TSTP Solution File: SEU217+2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU217+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n026.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 12:08:20 EDT 2022

% Result   : Theorem 13.36s 13.55s
% Output   : CNFRefutation 16.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :  306
% Syntax   : Number of formulae    : 3494 (1562 unt; 111 typ;   0 def)
%            Number of atoms       : 27725 (9502 equ;   0 cnn)
%            Maximal formula atoms :   11 (   8 avg)
%            Number of connectives : 63200 (10256   ~;10221   |; 586   &;41668   @)
%                                         ( 146 <=>; 323  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  217 ( 217   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  114 ( 111 usr;  11 con; 0-5 aty)
%            Number of variables   : 10695 (   0   ^10649   !;  46   ?;10695   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_apply,type,
    apply: $i > $i > $i ).

thf(tp_are_equipotent,type,
    are_equipotent: $i > $i > $o ).

thf(tp_cartesian_product2,type,
    cartesian_product2: $i > $i > $i ).

thf(tp_cast_to_subset,type,
    cast_to_subset: $i > $i ).

thf(tp_complements_of_subsets,type,
    complements_of_subsets: $i > $i > $i ).

thf(tp_disjoint,type,
    disjoint: $i > $i > $o ).

thf(tp_element,type,
    element: $i > $i > $o ).

thf(tp_empty,type,
    empty: $i > $o ).

thf(tp_empty_set,type,
    empty_set: $i ).

thf(tp_function,type,
    function: $i > $o ).

thf(tp_identity_relation,type,
    identity_relation: $i > $i ).

thf(tp_in,type,
    in: $i > $i > $o ).

thf(tp_meet_of_subsets,type,
    meet_of_subsets: $i > $i > $i ).

thf(tp_ordered_pair,type,
    ordered_pair: $i > $i > $i ).

thf(tp_powerset,type,
    powerset: $i > $i ).

thf(tp_proper_subset,type,
    proper_subset: $i > $i > $o ).

thf(tp_relation,type,
    relation: $i > $o ).

thf(tp_relation_composition,type,
    relation_composition: $i > $i > $i ).

thf(tp_relation_dom,type,
    relation_dom: $i > $i ).

thf(tp_relation_dom_restriction,type,
    relation_dom_restriction: $i > $i > $i ).

thf(tp_relation_empty_yielding,type,
    relation_empty_yielding: $i > $o ).

thf(tp_relation_field,type,
    relation_field: $i > $i ).

thf(tp_relation_image,type,
    relation_image: $i > $i > $i ).

thf(tp_relation_inverse,type,
    relation_inverse: $i > $i ).

thf(tp_relation_inverse_image,type,
    relation_inverse_image: $i > $i > $i ).

thf(tp_relation_rng,type,
    relation_rng: $i > $i ).

thf(tp_relation_rng_restriction,type,
    relation_rng_restriction: $i > $i > $i ).

thf(tp_sK10_A,type,
    sK10_A: $i ).

thf(tp_sK11_B,type,
    sK11_B: $i > $i ).

thf(tp_sK12_F,type,
    sK12_F: $i > $i > $i > $i > $i > $i ).

thf(tp_sK13_D,type,
    sK13_D: $i > $i > $i > $i ).

thf(tp_sK14_SY457,type,
    sK14_SY457: $i > $i > $i > $i ).

thf(tp_sK15_SY461,type,
    sK15_SY461: $i > $i > $i > $i ).

thf(tp_sK16_C,type,
    sK16_C: $i > $i > $i ).

thf(tp_sK17_SY462,type,
    sK17_SY462: $i > $i > $i ).

thf(tp_sK18_D,type,
    sK18_D: $i > $i > $i > $i ).

thf(tp_sK19_C,type,
    sK19_C: $i > $i > $i ).

thf(tp_sK1_A,type,
    sK1_A: $i ).

thf(tp_sK20_SY464,type,
    sK20_SY464: $i > $i > $i ).

thf(tp_sK21_D,type,
    sK21_D: $i > $i > $i > $i ).

thf(tp_sK22_C,type,
    sK22_C: $i > $i > $i ).

thf(tp_sK23_SY466,type,
    sK23_SY466: $i > $i > $i ).

thf(tp_sK24_C,type,
    sK24_C: $i > $i > $i ).

thf(tp_sK25_SY467,type,
    sK25_SY467: $i > $i > $i ).

thf(tp_sK26_E,type,
    sK26_E: $i > $i > $i > $i > $i ).

thf(tp_sK27_D,type,
    sK27_D: $i > $i > $i > $i ).

thf(tp_sK28_SY469,type,
    sK28_SY469: $i > $i > $i > $i ).

thf(tp_sK29_E,type,
    sK29_E: $i > $i > $i > $i > $i ).

thf(tp_sK2_SY456,type,
    sK2_SY456: $i ).

thf(tp_sK30_D,type,
    sK30_D: $i > $i > $i > $i ).

thf(tp_sK31_SY471,type,
    sK31_SY471: $i > $i > $i > $i ).

thf(tp_sK32_D,type,
    sK32_D: $i > $i > $i > $i ).

thf(tp_sK33_SY472,type,
    sK33_SY472: $i > $i > $i > $i ).

thf(tp_sK34_D,type,
    sK34_D: $i > $i > $i > $i ).

thf(tp_sK35_SY473,type,
    sK35_SY473: $i > $i > $i > $i ).

thf(tp_sK36_B,type,
    sK36_B: $i > $i ).

thf(tp_sK37_SY474,type,
    sK37_SY474: $i > $i ).

thf(tp_sK38_C,type,
    sK38_C: $i > $i > $i ).

thf(tp_sK39_D,type,
    sK39_D: $i > $i > $i > $i ).

thf(tp_sK3_A,type,
    sK3_A: $i ).

thf(tp_sK40_D,type,
    sK40_D: $i > $i > $i > $i ).

thf(tp_sK41_B,type,
    sK41_B: $i > $i ).

thf(tp_sK42_B,type,
    sK42_B: $i > $i ).

thf(tp_sK43_SY481,type,
    sK43_SY481: $i > $i > $i ).

thf(tp_sK44_C,type,
    sK44_C: $i > $i > $i ).

thf(tp_sK45_D,type,
    sK45_D: $i > $i > $i > $i ).

thf(tp_sK46_D,type,
    sK46_D: $i > $i > $i > $i ).

thf(tp_sK47_C,type,
    sK47_C: $i > $i > $i ).

thf(tp_sK48_SY487,type,
    sK48_SY487: $i > $i > $i ).

thf(tp_sK49_D,type,
    sK49_D: $i > $i > $i > $i ).

thf(tp_sK4_A,type,
    sK4_A: $i ).

thf(tp_sK50_C,type,
    sK50_C: $i > $i > $i ).

thf(tp_sK51_E,type,
    sK51_E: $i > $i > $i > $i > $i ).

thf(tp_sK52_SY488,type,
    sK52_SY488: $i > $i > $i > $i > $i ).

thf(tp_sK53_D,type,
    sK53_D: $i > $i > $i > $i ).

thf(tp_sK54_SY491,type,
    sK54_SY491: $i > $i > $i > $i ).

thf(tp_sK55_SY493,type,
    sK55_SY493: $i > $i > $i > $i ).

thf(tp_sK56_D,type,
    sK56_D: $i > $i > $i > $i ).

thf(tp_sK57_D,type,
    sK57_D: $i > $i > $i > $i ).

thf(tp_sK58_C,type,
    sK58_C: $i > $i > $i ).

thf(tp_sK59_SY494,type,
    sK59_SY494: $i > $i > $i ).

thf(tp_sK5_B,type,
    sK5_B: $i > $i ).

thf(tp_sK60_C,type,
    sK60_C: $i > $i > $i ).

thf(tp_sK61_B,type,
    sK61_B: $i > $i ).

thf(tp_sK62_C,type,
    sK62_C: $i > $i > $i ).

thf(tp_sK63_D,type,
    sK63_D: $i > $i > $i > $i ).

thf(tp_sK64_C,type,
    sK64_C: $i > $i > $i ).

thf(tp_sK65_SY495,type,
    sK65_SY495: $i > $i > $i ).

thf(tp_sK66_C,type,
    sK66_C: $i > $i > $i ).

thf(tp_sK67_SY497,type,
    sK67_SY497: $i > $i > $i ).

thf(tp_sK68_B,type,
    sK68_B: $i > $i ).

thf(tp_sK69_C,type,
    sK69_C: $i > $i > $i ).

thf(tp_sK6_A,type,
    sK6_A: $i ).

thf(tp_sK70_SY500,type,
    sK70_SY500: $i > $i > $i ).

thf(tp_sK71_C,type,
    sK71_C: $i > $i > $i ).

thf(tp_sK72_C,type,
    sK72_C: $i > $i > $i ).

thf(tp_sK73_C,type,
    sK73_C: $i > $i > $i ).

thf(tp_sK7_A,type,
    sK7_A: $i ).

thf(tp_sK8_B,type,
    sK8_B: $i > $i ).

thf(tp_sK9_A,type,
    sK9_A: $i ).

thf(tp_set_difference,type,
    set_difference: $i > $i > $i ).

thf(tp_set_intersection2,type,
    set_intersection2: $i > $i > $i ).

thf(tp_set_meet,type,
    set_meet: $i > $i ).

thf(tp_set_union2,type,
    set_union2: $i > $i > $i ).

thf(tp_singleton,type,
    singleton: $i > $i ).

thf(tp_subset,type,
    subset: $i > $i > $o ).

thf(tp_subset_complement,type,
    subset_complement: $i > $i > $i ).

thf(tp_subset_difference,type,
    subset_difference: $i > $i > $i > $i ).

thf(tp_union,type,
    union: $i > $i ).

thf(tp_union_of_subsets,type,
    union_of_subsets: $i > $i > $i ).

thf(tp_unordered_pair,type,
    unordered_pair: $i > $i > $i ).

thf(1,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( in @ A @ B )
      & ! [C: $i,D: $i] :
          ( ( ( in @ C @ B )
            & ( subset @ D @ C ) )
         => ( in @ D @ B ) )
      & ! [C: $i] :
          ~ ( ( in @ C @ B )
            & ! [D: $i] :
                ~ ( ( in @ D @ B )
                  & ! [E: $i] :
                      ( ( subset @ E @ C )
                     => ( in @ E @ D ) ) ) )
      & ! [C: $i] :
          ~ ( ( subset @ C @ B )
            & ~ ( are_equipotent @ C @ B )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t9_tarski) ).

thf(2,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(4,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_subset) ).

thf(6,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_subset) ).

thf(7,axiom,
    ! [A: $i] :
      ( ( set_difference @ empty_set @ A )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_boole) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( set_difference @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
        <=> ( in @ C @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_tarski) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(12,axiom,
    ! [A: $i] :
      ( ( set_intersection2 @ A @ empty_set )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_boole) ).

thf(13,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(14,axiom,
    ! [A: $i] :
      ( ( set_union2 @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_boole) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
     => ( disjoint @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

thf(16,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(17,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_difference @ A @ B @ C )
        = ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_subset_1) ).

thf(18,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( meet_of_subsets @ A @ B )
        = ( set_meet @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_setfam_1) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( union_of_subsets @ A @ B )
        = ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_setfam_1) ).

thf(20,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(21,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(22,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(23,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(24,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(25,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(26,axiom,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(27,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(29,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k7_setfam_1) ).

thf(30,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_inverse @ ( relation_inverse @ A ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k4_relat_1) ).

thf(31,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k3_subset_1) ).

thf(32,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

thf(33,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

thf(34,axiom,
    ! [A: $i,B: $i] :
      ( ( ( empty @ A )
        & ( relation @ B ) )
     => ( ( empty @ ( relation_composition @ A @ B ) )
        & ( relation @ ( relation_composition @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc9_relat_1) ).

thf(35,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_rng @ A ) )
        & ( relation @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_relat_1) ).

thf(36,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_dom @ A ) )
        & ( relation @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(37,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_rng @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(38,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_dom @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(39,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
        & ~ ( empty @ B ) )
     => ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_subset_1) ).

thf(40,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(41,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(42,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( unordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(43,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(44,axiom,
    ! [A: $i] :
      ~ ( empty @ ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(45,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_relat_1) ).

thf(46,axiom,
    ! [A: $i] :
      ( ( relation @ ( identity_relation @ A ) )
      & ( function @ ( identity_relation @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_funct_1) ).

thf(47,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(48,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(49,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(50,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_intersection2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_relat_1) ).

thf(51,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( function @ A )
        & ( relation @ B )
        & ( function @ B ) )
     => ( ( relation @ ( relation_composition @ A @ B ) )
        & ( function @ ( relation_composition @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_funct_1) ).

thf(52,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(53,axiom,
    ! [A: $i,B: $i] :
      ( ( ( empty @ A )
        & ( relation @ B ) )
     => ( ( empty @ ( relation_composition @ B @ A ) )
        & ( relation @ ( relation_composition @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc10_relat_1) ).

thf(54,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(57,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( relation @ ( relation_rng_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k8_relat_1) ).

thf(58,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_setfam_1) ).

thf(59,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_dom_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_relat_1) ).

thf(60,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_subset_1) ).

thf(61,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_setfam_1) ).

thf(62,axiom,
    ! [A: $i] : ( relation @ ( identity_relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_relat_1) ).

thf(63,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_setfam_1) ).

thf(64,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( relation_composition @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_relat_1) ).

thf(67,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_inverse @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relat_1) ).

thf(70,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_subset_1) ).

thf(75,axiom,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(84,axiom,
    ! [A: $i,B: $i] :
      ( ( proper_subset @ A @ B )
    <=> ( ( subset @ A @ B )
        & ( A != B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_xboole_0) ).

thf(86,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_composition @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ? [F: $i] :
                        ( ( in @ ( ordered_pair @ D @ F ) @ A )
                        & ( in @ ( ordered_pair @ F @ E ) @ B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_relat_1) ).

thf(87,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_intersection2 @ A @ B )
        = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_xboole_0) ).

thf(88,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( B
              = ( relation_inverse @ A ) )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ B )
              <=> ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_relat_1) ).

thf(89,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_field @ A )
        = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_relat_1) ).

thf(90,axiom,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_tarski) ).

thf(91,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ B )
        = ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_subset_1) ).

thf(92,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( B
            = ( relation_rng @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_relat_1) ).

thf(93,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_difference @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ~ ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_xboole_0) ).

thf(94,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( union @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ? [D: $i] :
              ( ( in @ C @ D )
              & ( in @ D @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_tarski) ).

thf(96,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( B
            = ( relation_dom @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_relat_1) ).

thf(97,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i,C: $i] :
          ( ( ( in @ B @ ( relation_dom @ A ) )
           => ( ( C
                = ( apply @ A @ B ) )
            <=> ( in @ ( ordered_pair @ B @ C ) @ A ) ) )
          & ( ~ ( in @ B @ ( relation_dom @ A ) )
           => ( ( C
                = ( apply @ A @ B ) )
            <=> ( C = empty_set ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_funct_1) ).

thf(98,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_intersection2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_xboole_0) ).

thf(99,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

thf(100,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ A @ B )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ A )
               => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_relat_1) ).

thf(101,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( cartesian_product2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ? [E: $i,F: $i] :
              ( ( in @ E @ A )
              & ( in @ F @ B )
              & ( D
                = ( ordered_pair @ E @ F ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_zfmisc_1) ).

thf(102,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            | ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

thf(103,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( unordered_pair @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( D = A )
            | ( D = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

thf(104,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( in @ B @ A ) ) )
      & ( ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( empty @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_subset_1) ).

thf(105,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( A = B )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ A )
              <=> ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_relat_1) ).

thf(106,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( powerset @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( subset @ C @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_zfmisc_1) ).

thf(107,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(108,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( singleton @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

thf(109,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A != empty_set )
       => ( ( B
            = ( set_meet @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ! [D: $i] :
                  ( ( in @ D @ A )
                 => ( in @ C @ D ) ) ) ) )
      & ( ( A = empty_set )
       => ( ( B
            = ( set_meet @ A ) )
        <=> ( B = empty_set ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_setfam_1) ).

thf(110,axiom,
    ! [A: $i] :
      ( ( relation @ A )
    <=> ! [B: $i] :
          ~ ( ( in @ B @ A )
            & ! [C: $i,D: $i] :
                ( B
               != ( ordered_pair @ C @ D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relat_1) ).

thf(111,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( relation_inverse_image @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i] :
                  ( ( in @ ( ordered_pair @ D @ E ) @ A )
                  & ( in @ E @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d14_relat_1) ).

thf(112,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( relation_image @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i] :
                  ( ( in @ ( ordered_pair @ E @ D ) @ A )
                  & ( in @ E @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d13_relat_1) ).

thf(113,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ! [C: $i] :
          ( ( relation @ C )
         => ( ( C
              = ( relation_rng_restriction @ A @ B ) )
          <=> ! [D: $i,E: $i] :
                ( ( in @ ( ordered_pair @ D @ E ) @ C )
              <=> ( ( in @ E @ A )
                  & ( in @ ( ordered_pair @ D @ E ) @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_relat_1) ).

thf(114,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( C
              = ( relation_dom_restriction @ A @ B ) )
          <=> ! [D: $i,E: $i] :
                ( ( in @ ( ordered_pair @ D @ E ) @ C )
              <=> ( ( in @ D @ B )
                  & ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d11_relat_1) ).

thf(115,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(116,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( B
          = ( identity_relation @ A ) )
      <=> ! [C: $i,D: $i] :
            ( ( in @ ( ordered_pair @ C @ D ) @ B )
          <=> ( ( in @ C @ A )
              & ( C = D ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_relat_1) ).

thf(117,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ B )
      = ( set_intersection2 @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

thf(118,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

thf(119,axiom,
    ! [A: $i,B: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(120,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(121,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_funct_1) ).

thf(123,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(124,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( B = C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t9_zfmisc_1) ).

thf(125,axiom,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(126,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_relat_1) ).

thf(128,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t92_zfmisc_1) ).

thf(129,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_dom @ ( relation_dom_restriction @ B @ A ) )
        = ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t90_relat_1) ).

thf(130,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_zfmisc_1) ).

thf(131,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_xboole_1) ).

thf(132,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
      <=> ( ( in @ A @ ( relation_dom @ C ) )
          & ( B
            = ( apply @ C @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_funct_1) ).

thf(133,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t88_relat_1) ).

thf(134,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
      <=> ( ( in @ A @ B )
          & ( in @ A @ ( relation_dom @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t86_relat_1) ).

thf(135,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_difference @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t83_xboole_1) ).

thf(136,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(137,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation @ D )
     => ( ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
      <=> ( ( in @ A @ C )
          & ( in @ ( ordered_pair @ A @ B ) @ D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t74_relat_1) ).

thf(138,axiom,
    ! [A: $i] :
      ( ( ( relation_dom @ ( identity_relation @ A ) )
        = A )
      & ( ( relation_rng @ ( identity_relation @ A ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t71_relat_1) ).

thf(139,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_zfmisc_1) ).

thf(140,axiom,
    ! [A: $i] :
      ( ( unordered_pair @ A @ A )
      = ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t69_enumset1) ).

thf(141,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ ( singleton @ B ) )
        = A )
    <=> ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_zfmisc_1) ).

thf(142,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( relation_dom @ A )
          = empty_set )
      <=> ( ( relation_rng @ A )
          = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_relat_1) ).

thf(143,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( ( relation_dom @ A )
            = empty_set )
          | ( ( relation_rng @ A )
            = empty_set ) )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t64_relat_1) ).

thf(144,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( disjoint @ B @ C ) )
     => ( disjoint @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t63_xboole_1) ).

thf(145,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( subset @ A @ B )
        & ( proper_subset @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_xboole_1) ).

thf(146,axiom,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    & ( ( relation_rng @ empty_set )
      = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_relat_1) ).

thf(147,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ! [B: $i,C: $i] :
            ~ ( in @ ( ordered_pair @ B @ C ) @ A )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t56_relat_1) ).

thf(148,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ A ) )
     => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
          & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_subset_1) ).

thf(149,axiom,
    ! [A: $i] :
      ( ( A != empty_set )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ A )
             => ( ~ ( in @ C @ B )
               => ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t50_subset_1) ).

thf(150,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) ) )
      & ~ ( ? [C: $i] : ( in @ C @ ( set_intersection2 @ A @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

thf(151,axiom,
    ! [A: $i,B: $i] :
      ( ( set_difference @ A @ ( set_difference @ A @ B ) )
      = ( set_intersection2 @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_xboole_1) ).

thf(154,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ ( relation_dom @ A ) @ ( relation_rng @ B ) )
           => ( ( relation_rng @ ( relation_composition @ B @ A ) )
              = ( relation_rng @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t47_relat_1) ).

thf(155,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_zfmisc_1) ).

thf(156,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ~ ( ( B != empty_set )
          & ( ( complements_of_subsets @ A @ B )
            = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_setfam_1) ).

thf(157,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ ( relation_rng @ A ) @ ( relation_dom @ B ) )
           => ( ( relation_dom @ ( relation_composition @ A @ B ) )
              = ( relation_dom @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_relat_1) ).

thf(158,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( B
        = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t45_xboole_1) ).

thf(159,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t45_relat_1) ).

thf(160,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t44_relat_1) ).

thf(161,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ( ( disjoint @ B @ C )
          <=> ( subset @ B @ ( subset_complement @ A @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t43_subset_1) ).

thf(162,axiom,
    ! [A: $i,B: $i] :
      ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
      = ( set_difference @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t40_xboole_1) ).

thf(163,axiom,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(164,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( ( in @ C @ A )
                & ( in @ C @ B ) ) )
      & ~ ( ? [C: $i] :
              ( ( in @ C @ A )
              & ( in @ C @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_0) ).

thf(165,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_zfmisc_1) ).

thf(166,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
      = ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_xboole_1) ).

thf(167,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ ( unordered_pair @ A @ B ) @ C )
    <=> ( ( in @ A @ C )
        & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t38_zfmisc_1) ).

thf(168,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_zfmisc_1) ).

thf(169,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_xboole_1) ).

thf(170,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( relation_rng @ A )
          = ( relation_dom @ ( relation_inverse @ A ) ) )
        & ( ( relation_dom @ A )
          = ( relation_rng @ ( relation_inverse @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_relat_1) ).

thf(171,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t36_xboole_1) ).

thf(172,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( B
          = ( identity_relation @ A ) )
      <=> ( ( ( relation_dom @ B )
            = A )
          & ! [C: $i] :
              ( ( in @ C @ A )
             => ( ( apply @ B @ C )
                = C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t34_funct_1) ).

thf(173,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ordered_pair @ A @ B )
        = ( ordered_pair @ C @ D ) )
     => ( ( A = C )
        & ( B = D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_zfmisc_1) ).

thf(174,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_xboole_1) ).

thf(175,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
       => ( ( in @ A @ ( relation_field @ C ) )
          & ( in @ B @ ( relation_field @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t30_relat_1) ).

thf(176,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(177,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_intersection2 @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t28_xboole_1) ).

thf(178,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t26_xboole_1) ).

thf(179,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ A @ B )
           => ( ( subset @ ( relation_dom @ A ) @ ( relation_dom @ B ) )
              & ( subset @ ( relation_rng @ A ) @ ( relation_rng @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t25_relat_1) ).

thf(180,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ B ) )
           => ( ( apply @ ( relation_composition @ B @ C ) @ A )
              = ( apply @ C @ ( apply @ B @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_funct_1) ).

thf(181,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
           => ( ( apply @ ( relation_composition @ C @ B ) @ A )
              = ( apply @ B @ ( apply @ C @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_funct_1) ).

thf(182,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_relat_1) ).

thf(183,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
          <=> ( ( in @ A @ ( relation_dom @ C ) )
              & ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_funct_1) ).

thf(184,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
       => ( ( in @ A @ ( relation_dom @ C ) )
          & ( in @ B @ ( relation_rng @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t20_relat_1) ).

thf(185,axiom,
    ( ( powerset @ empty_set )
    = ( singleton @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_zfmisc_1) ).

thf(186,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ B @ C ) )
     => ( subset @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_xboole_1) ).

thf(187,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ A @ C ) )
     => ( subset @ A @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t19_xboole_1) ).

thf(188,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_xboole_1) ).

thf(189,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( subset @ A @ B )
       => ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t178_relat_1) ).

thf(190,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ~ ( ( A != empty_set )
          & ( subset @ A @ ( relation_rng @ B ) )
          & ( ( relation_inverse_image @ B @ A )
            = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t174_relat_1) ).

thf(191,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_inverse_image @ B @ A ) @ ( relation_dom @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t167_relat_1) ).

thf(192,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_inverse_image @ C @ B ) )
      <=> ? [D: $i] :
            ( ( in @ D @ ( relation_rng @ C ) )
            & ( in @ ( ordered_pair @ A @ D ) @ C )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t166_relat_1) ).

thf(194,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_image @ A @ ( relation_dom @ A ) )
        = ( relation_rng @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t146_relat_1) ).

thf(195,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_image @ B @ A )
        = ( relation_image @ B @ ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t145_relat_1) ).

thf(196,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_image @ B @ A ) @ ( relation_rng @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t144_relat_1) ).

thf(197,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_image @ C @ B ) )
      <=> ? [D: $i] :
            ( ( in @ D @ ( relation_dom @ C ) )
            & ( in @ ( ordered_pair @ D @ A ) @ C )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t143_relat_1) ).

thf(199,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( in @ A @ B )
      & ! [C: $i,D: $i] :
          ( ( ( in @ C @ B )
            & ( subset @ D @ C ) )
         => ( in @ D @ B ) )
      & ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ ( powerset @ C ) @ B ) )
      & ! [C: $i] :
          ~ ( ( subset @ C @ B )
            & ~ ( are_equipotent @ C @ B )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t136_zfmisc_1) ).

thf(200,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_union2 @ A @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_xboole_1) ).

thf(201,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ D ) )
     => ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t119_zfmisc_1) ).

thf(202,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_rng @ ( relation_rng_restriction @ A @ B ) )
        = ( set_intersection2 @ ( relation_rng @ B ) @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t119_relat_1) ).

thf(203,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
        & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t118_zfmisc_1) ).

thf(204,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_rng @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t118_relat_1) ).

thf(205,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t117_relat_1) ).

thf(206,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t116_relat_1) ).

thf(207,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
      <=> ( ( in @ A @ B )
          & ( in @ A @ ( relation_rng @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t115_relat_1) ).

thf(208,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ~ ( ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ C @ D ) )
        & ( A != C )
        & ( A != D ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_zfmisc_1) ).

thf(209,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
    <=> ( ( in @ A @ C )
        & ( in @ B @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t106_zfmisc_1) ).

thf(210,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) )
     => ( element @ A @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l71_subset_1) ).

thf(211,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
    <=> ( ( in @ A @ C )
        & ( in @ B @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l55_zfmisc_1) ).

thf(212,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l50_zfmisc_1) ).

thf(213,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

thf(214,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( in @ C @ A )
        | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_zfmisc_1) ).

thf(215,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ C @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_subset_1) ).

thf(216,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l32_xboole_1) ).

thf(217,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l2_zfmisc_1) ).

thf(218,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( in @ A @ B )
     => ( disjoint @ ( singleton @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l28_zfmisc_1) ).

thf(219,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( disjoint @ ( singleton @ A ) @ B )
        & ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l25_zfmisc_1) ).

thf(220,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l23_zfmisc_1) ).

thf(221,axiom,
    ! [A: $i] :
      ( ( singleton @ A )
     != empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

thf(222,conjecture,
    ! [A: $i,B: $i] :
      ( ( in @ B @ A )
     => ( ( apply @ ( identity_relation @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t35_funct_1) ).

thf(223,negated_conjecture,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ B @ A )
         => ( ( apply @ ( identity_relation @ A ) @ B )
            = B ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[222]) ).

thf(224,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ B @ A )
         => ( ( apply @ ( identity_relation @ A ) @ B )
            = B ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[223]) ).

thf(225,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(226,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(227,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(228,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(229,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(230,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(231,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(232,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(233,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
         => ( disjoint @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(234,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(235,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(236,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(237,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(238,plain,
    ( ( ? [A: $i] :
          ( ( relation @ A )
          & ( relation_empty_yielding @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(239,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(240,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(241,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(242,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(243,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(244,plain,
    ( ( ? [A: $i] :
          ( ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(245,plain,
    ( ( ? [A: $i] :
          ( ( relation @ A )
          & ( function @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(246,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(247,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(248,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(249,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(250,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(251,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( empty @ A )
            & ( relation @ B ) )
         => ( ( empty @ ( relation_composition @ A @ B ) )
            & ( relation @ ( relation_composition @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(252,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( empty @ ( relation_rng @ A ) )
            & ( relation @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(253,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( empty @ ( relation_dom @ A ) )
            & ( relation @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(254,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty @ A )
            & ( relation @ A ) )
         => ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(255,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty @ A )
            & ( relation @ A ) )
         => ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(256,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
            & ~ ( empty @ B ) )
         => ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(257,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(258,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(259,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(260,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(261,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(262,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(263,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(264,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(265,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(266,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[50]) ).

thf(267,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( function @ A )
            & ( relation @ B )
            & ( function @ B ) )
         => ( ( relation @ ( relation_composition @ A @ B ) )
            & ( function @ ( relation_composition @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(268,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set )
      & ( relation_empty_yielding @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(269,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( empty @ A )
            & ( relation @ B ) )
         => ( ( empty @ ( relation_composition @ B @ A ) )
            & ( relation @ ( relation_composition @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[53]) ).

thf(270,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(271,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( relation @ ( relation_rng_restriction @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[57]) ).

thf(272,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(273,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[59]) ).

thf(274,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[60]) ).

thf(275,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[61]) ).

thf(276,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[63]) ).

thf(277,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[64]) ).

thf(278,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[67]) ).

thf(279,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[70]) ).

thf(280,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[75]) ).

thf(281,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( proper_subset @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( A != B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[84]) ).

thf(282,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ! [C: $i] :
                  ( ( relation @ C )
                 => ( ( C
                      = ( relation_composition @ A @ B ) )
                  <=> ! [D: $i,E: $i] :
                        ( ( in @ ( ordered_pair @ D @ E ) @ C )
                      <=> ? [F: $i] :
                            ( ( in @ ( ordered_pair @ D @ F ) @ A )
                            & ( in @ ( ordered_pair @ F @ E ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[86]) ).

thf(283,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[87]) ).

thf(284,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( B
                  = ( relation_inverse @ A ) )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ B )
                  <=> ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[88]) ).

thf(285,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(286,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[90]) ).

thf(287,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[91]) ).

thf(288,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( B
                = ( relation_rng @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[92]) ).

thf(289,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( B
                = ( relation_dom @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[96]) ).

thf(290,plain,
    ( ( ! [A: $i] :
          ( ( ( relation @ A )
            & ( function @ A ) )
         => ! [B: $i,C: $i] :
              ( ( ( in @ B @ ( relation_dom @ A ) )
               => ( ( C
                    = ( apply @ A @ B ) )
                <=> ( in @ ( ordered_pair @ B @ C ) @ A ) ) )
              & ( ~ ( in @ B @ ( relation_dom @ A ) )
               => ( ( C
                    = ( apply @ A @ B ) )
                <=> ( C = empty_set ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[97]) ).

thf(291,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( subset @ A @ B )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ A )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[100]) ).

thf(292,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( C
                = ( relation_inverse_image @ A @ B ) )
            <=> ! [D: $i] :
                  ( ( in @ D @ C )
                <=> ? [E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                      & ( in @ E @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(293,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( C
                = ( relation_image @ A @ B ) )
            <=> ! [D: $i] :
                  ( ( in @ D @ C )
                <=> ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[112]) ).

thf(294,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_rng_restriction @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ( ( in @ E @ A )
                      & ( in @ ( ordered_pair @ D @ E ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[113]) ).

thf(295,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_dom_restriction @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ( ( in @ D @ B )
                      & ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[114]) ).

thf(296,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[115]) ).

thf(297,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[117]) ).

thf(298,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[118]) ).

thf(299,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[119]) ).

thf(300,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[120]) ).

thf(301,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( function @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[121]) ).

thf(302,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
            = ( unordered_pair @ B @ C ) )
         => ( B = C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[124]) ).

thf(303,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[125]) ).

thf(304,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[126]) ).

thf(305,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( relation_dom @ ( relation_dom_restriction @ B @ A ) )
            = ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[129]) ).

thf(306,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
            = ( unordered_pair @ B @ C ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[130]) ).

thf(307,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ C @ B ) )
         => ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[131]) ).

thf(308,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ ( ordered_pair @ A @ B ) @ C )
          <=> ( ( in @ A @ ( relation_dom @ C ) )
              & ( B
                = ( apply @ C @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[132]) ).

thf(309,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[133]) ).

thf(310,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
          <=> ( ( in @ A @ B )
              & ( in @ A @ ( relation_dom @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[134]) ).

thf(311,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_difference @ A @ B )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[135]) ).

thf(312,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[136]) ).

thf(313,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( relation @ D )
         => ( ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
          <=> ( ( in @ A @ C )
              & ( in @ ( ordered_pair @ A @ B ) @ D ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[137]) ).

thf(314,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[139]) ).

thf(315,plain,
    ( ( ! [A: $i] :
          ( ( unordered_pair @ A @ A )
          = ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[140]) ).

thf(316,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( relation_dom @ A )
              = empty_set )
          <=> ( ( relation_rng @ A )
              = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[142]) ).

thf(317,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( ( relation_dom @ A )
                = empty_set )
              | ( ( relation_rng @ A )
                = empty_set ) )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[143]) ).

thf(318,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( disjoint @ B @ C ) )
         => ( disjoint @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[144]) ).

thf(319,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( subset @ A @ B )
            & ( proper_subset @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[145]) ).

thf(320,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(321,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ! [B: $i,C: $i] :
                ~ ( in @ ( ordered_pair @ B @ C ) @ A )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(322,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
              & ( in @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(323,plain,
    ( ( ! [A: $i] :
          ( ( A != empty_set )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ! [C: $i] :
                  ( ( element @ C @ A )
                 => ( ~ ( in @ C @ B )
                   => ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(324,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ A @ ( set_difference @ A @ B ) )
          = ( set_intersection2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[151]) ).

thf(325,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( subset @ ( relation_dom @ A ) @ ( relation_rng @ B ) )
               => ( ( relation_rng @ ( relation_composition @ B @ A ) )
                  = ( relation_rng @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[154]) ).

thf(326,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ~ ( ( B != empty_set )
              & ( ( complements_of_subsets @ A @ B )
                = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[156]) ).

thf(327,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( subset @ ( relation_rng @ A ) @ ( relation_dom @ B ) )
               => ( ( relation_dom @ ( relation_composition @ A @ B ) )
                  = ( relation_dom @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[157]) ).

thf(328,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[158]) ).

thf(329,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[159]) ).

thf(330,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(331,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ ( powerset @ A ) )
             => ( ( disjoint @ B @ C )
              <=> ( subset @ B @ ( subset_complement @ A @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(332,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
          = ( set_difference @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[162]) ).

thf(333,plain,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[163]) ).

thf(334,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(335,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
          = ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[166]) ).

thf(336,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[169]) ).

thf(337,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( relation_rng @ A )
              = ( relation_dom @ ( relation_inverse @ A ) ) )
            & ( ( relation_dom @ A )
              = ( relation_rng @ ( relation_inverse @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[170]) ).

thf(338,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[171]) ).

thf(339,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ B )
            & ( function @ B ) )
         => ( ( B
              = ( identity_relation @ A ) )
          <=> ( ( ( relation_dom @ B )
                = A )
              & ! [C: $i] :
                  ( ( in @ C @ A )
                 => ( ( apply @ B @ C )
                    = C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[172]) ).

thf(340,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( ( ordered_pair @ A @ B )
            = ( ordered_pair @ C @ D ) )
         => ( ( A = C )
            & ( B = D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[173]) ).

thf(341,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[174]) ).

thf(342,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ ( ordered_pair @ A @ B ) @ C )
           => ( ( in @ A @ ( relation_field @ C ) )
              & ( in @ B @ ( relation_field @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[175]) ).

thf(343,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[176]) ).

thf(344,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[177]) ).

thf(345,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[178]) ).

thf(346,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( subset @ A @ B )
               => ( ( subset @ ( relation_dom @ A ) @ ( relation_dom @ B ) )
                  & ( subset @ ( relation_rng @ A ) @ ( relation_rng @ B ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[179]) ).

thf(347,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ B )
            & ( function @ B ) )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( in @ A @ ( relation_dom @ B ) )
               => ( ( apply @ ( relation_composition @ B @ C ) @ A )
                  = ( apply @ C @ ( apply @ B @ A ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[180]) ).

thf(348,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ B )
            & ( function @ B ) )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
               => ( ( apply @ ( relation_composition @ C @ B ) @ A )
                  = ( apply @ B @ ( apply @ C @ A ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[181]) ).

thf(349,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[182]) ).

thf(350,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ B )
            & ( function @ B ) )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
              <=> ( ( in @ A @ ( relation_dom @ C ) )
                  & ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[183]) ).

thf(351,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ ( ordered_pair @ A @ B ) @ C )
           => ( ( in @ A @ ( relation_dom @ C ) )
              & ( in @ B @ ( relation_rng @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[184]) ).

thf(352,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[185]) ).

thf(353,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ B @ C ) )
         => ( subset @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[186]) ).

thf(354,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ A @ C ) )
         => ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[187]) ).

thf(355,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[188]) ).

thf(356,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( subset @ A @ B )
           => ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[189]) ).

thf(357,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ~ ( ( A != empty_set )
              & ( subset @ A @ ( relation_rng @ B ) )
              & ( ( relation_inverse_image @ B @ A )
                = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[190]) ).

thf(358,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_inverse_image @ B @ A ) @ ( relation_dom @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[191]) ).

thf(359,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_inverse_image @ C @ B ) )
          <=> ? [D: $i] :
                ( ( in @ D @ ( relation_rng @ C ) )
                & ( in @ ( ordered_pair @ A @ D ) @ C )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[192]) ).

thf(360,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_image @ A @ ( relation_dom @ A ) )
            = ( relation_rng @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[194]) ).

thf(361,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( relation_image @ B @ A )
            = ( relation_image @ B @ ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[195]) ).

thf(362,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_image @ B @ A ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[196]) ).

thf(363,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_image @ C @ B ) )
          <=> ? [D: $i] :
                ( ( in @ D @ ( relation_dom @ C ) )
                & ( in @ ( ordered_pair @ D @ A ) @ C )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[197]) ).

thf(364,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( in @ A @ B )
          & ! [C: $i,D: $i] :
              ( ( ( in @ C @ B )
                & ( subset @ D @ C ) )
             => ( in @ D @ B ) )
          & ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ ( powerset @ C ) @ B ) )
          & ! [C: $i] :
              ~ ( ( subset @ C @ B )
                & ~ ( are_equipotent @ C @ B )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[199]) ).

thf(365,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[200]) ).

thf(366,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ C @ D ) )
         => ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[201]) ).

thf(367,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( relation_rng @ ( relation_rng_restriction @ A @ B ) )
            = ( set_intersection2 @ ( relation_rng @ B ) @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[202]) ).

thf(368,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
            & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[203]) ).

thf(369,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[204]) ).

thf(370,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[205]) ).

thf(371,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[206]) ).

thf(372,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
          <=> ( ( in @ A @ B )
              & ( in @ A @ ( relation_rng @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[207]) ).

thf(373,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ~ ( ( ( unordered_pair @ A @ B )
              = ( unordered_pair @ C @ D ) )
            & ( A != C )
            & ( A != D ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[208]) ).

thf(374,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[213]) ).

thf(375,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( in @ C @ A )
            | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[214]) ).

thf(376,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[216]) ).

thf(377,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[221]) ).

thf(378,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( in @ A @ B )
          & ! [C: $i,D: $i] :
              ( ( ( in @ C @ B )
                & ( subset @ D @ C ) )
             => ( in @ D @ B ) )
          & ! [C: $i] :
              ~ ( ( in @ C @ B )
                & ! [D: $i] :
                    ~ ( ( in @ D @ B )
                      & ! [E: $i] :
                          ( ( subset @ E @ C )
                         => ( in @ E @ D ) ) ) )
          & ! [C: $i] :
              ~ ( ( subset @ C @ B )
                & ~ ( are_equipotent @ C @ B )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(379,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(380,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(381,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(382,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(383,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(384,plain,
    ( ( ! [A: $i] :
          ( ( relation @ ( identity_relation @ A ) )
          & ( function @ ( identity_relation @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(385,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[62]) ).

thf(386,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_difference @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ~ ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[93]) ).

thf(387,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( union @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[94]) ).

thf(388,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_intersection2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[98]) ).

thf(389,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[99]) ).

thf(390,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( cartesian_product2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[101]) ).

thf(391,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_union2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                | ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[102]) ).

thf(392,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( unordered_pair @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( D = A )
                | ( D = B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[103]) ).

thf(393,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( in @ B @ A ) ) )
          & ( ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( empty @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[104]) ).

thf(394,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( A = B )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ A )
                  <=> ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[105]) ).

thf(395,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[106]) ).

thf(396,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[107]) ).

thf(397,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[108]) ).

thf(398,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( A != empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) ) ) ) )
          & ( ( A = empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ( B = empty_set ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[109]) ).

thf(399,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
        <=> ! [B: $i] :
              ~ ( ( in @ B @ A )
                & ! [C: $i,D: $i] :
                    ( B
                   != ( ordered_pair @ C @ D ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[110]) ).

thf(400,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( B
              = ( identity_relation @ A ) )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ B )
              <=> ( ( in @ C @ A )
                  & ( C = D ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[116]) ).

thf(401,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[123]) ).

thf(402,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[128]) ).

thf(403,plain,
    ( ( ! [A: $i] :
          ( ( ( relation_dom @ ( identity_relation @ A ) )
            = A )
          & ( ( relation_rng @ ( identity_relation @ A ) )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[138]) ).

thf(404,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ ( singleton @ B ) )
            = A )
        <=> ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[141]) ).

thf(405,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( in @ C @ ( set_intersection2 @ A @ B ) ) )
          & ~ ( ? [C: $i] : ( in @ C @ ( set_intersection2 @ A @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(406,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[155]) ).

thf(407,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( ( in @ C @ A )
                    & ( in @ C @ B ) ) )
          & ~ ( ? [C: $i] :
                  ( ( in @ C @ A )
                  & ( in @ C @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[164]) ).

thf(408,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ ( unordered_pair @ A @ B ) @ C )
        <=> ( ( in @ A @ C )
            & ( in @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(409,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(410,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
        <=> ( ( in @ A @ C )
            & ( in @ B @ D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[209]) ).

thf(411,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[210]) ).

thf(412,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
        <=> ( ( in @ A @ C )
            & ( in @ B @ D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[211]) ).

thf(413,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[212]) ).

thf(414,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[215]) ).

thf(415,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[217]) ).

thf(416,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
         => ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[218]) ).

thf(417,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( disjoint @ ( singleton @ A ) @ B )
            & ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[219]) ).

thf(418,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[220]) ).

thf(419,plain,
    ( ( ! [SY456: $i] :
          ( ( in @ SY456 @ sK1_A )
         => ( ( apply @ ( identity_relation @ sK1_A ) @ SY456 )
            = SY456 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[224]) ).

thf(420,plain,
    ( ( ( in @ sK2_SY456 @ sK1_A )
     => ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY456 )
        = sK2_SY456 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[419]) ).

thf(421,plain,
    ( ( in @ sK2_SY456 @ sK1_A )
    = $true ),
    inference(standard_cnf,[status(thm)],[420]) ).

thf(422,plain,
    ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY456 )
      = sK2_SY456 )
    = $false ),
    inference(standard_cnf,[status(thm)],[420]) ).

thf(423,plain,
    ( ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY456 )
       != sK2_SY456 ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[422]) ).

thf(424,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[225]) ).

thf(425,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[226]) ).

thf(426,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[227]) ).

thf(427,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ ( powerset @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[229]) ).

thf(428,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[233]) ).

thf(429,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[234]) ).

thf(430,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[235]) ).

thf(431,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[236]) ).

thf(432,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[237]) ).

thf(433,plain,
    ( ( ( relation @ sK3_A )
      & ( relation_empty_yielding @ sK3_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[238]) ).

thf(434,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[239]) ).

thf(435,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK5_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK5_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[240]) ).

thf(436,plain,
    ( ( ~ ( empty @ sK6_A )
      & ( relation @ sK6_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[241]) ).

thf(437,plain,
    ( ( empty @ sK7_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[242]) ).

thf(438,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK8_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK8_B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[243]) ).

thf(439,plain,
    ( ( ( empty @ sK9_A )
      & ( relation @ sK9_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[244]) ).

thf(440,plain,
    ( ( ( function @ sK10_A )
      & ( relation @ sK10_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[245]) ).

thf(441,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[246]) ).

thf(442,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[247]) ).

thf(443,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[248]) ).

thf(444,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[249]) ).

thf(445,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[250]) ).

thf(446,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( empty @ ( relation_composition @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[251]) ).

thf(447,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_rng @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[252]) ).

thf(448,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[253]) ).

thf(449,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[254]) ).

thf(450,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[255]) ).

thf(451,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( empty @ A )
          | ( empty @ B )
          | ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[256]) ).

thf(452,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[258]) ).

thf(453,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[260]) ).

thf(454,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[262]) ).

thf(455,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[266]) ).

thf(456,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ A )
          | ~ ( relation @ A )
          | ~ ( relation @ B )
          | ~ ( function @ B )
          | ( function @ ( relation_composition @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( function @ A )
          | ~ ( relation @ A )
          | ~ ( relation @ B )
          | ~ ( function @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[267]) ).

thf(457,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( empty @ ( relation_composition @ B @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[269]) ).

thf(458,plain,
    ( ( ! [A: $i] : ( element @ ( sK11_B @ A ) @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[270]) ).

thf(459,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( relation @ ( relation_rng_restriction @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[271]) ).

thf(460,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[272]) ).

thf(461,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[273]) ).

thf(462,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[274]) ).

thf(463,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[275]) ).

thf(464,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[276]) ).

thf(465,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[277]) ).

thf(466,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[278]) ).

thf(467,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[279]) ).

thf(468,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( subset @ A @ B )
          | ( proper_subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( A != B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[281]) ).

thf(469,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( ( ! [SY460: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ SY460 ) @ A )
                            | ~ ( in @ ( ordered_pair @ SY460 @ ( sK14_SY457 @ C @ B @ A ) ) @ B ) )
                        | ~ ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ ( sK14_SY457 @ C @ B @ A ) ) @ C ) )
                      & ( ( ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ ( sK15_SY461 @ C @ B @ A ) ) @ A )
                          & ( in @ ( ordered_pair @ ( sK15_SY461 @ C @ B @ A ) @ ( sK14_SY457 @ C @ B @ A ) ) @ B ) )
                        | ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ ( sK14_SY457 @ C @ B @ A ) ) @ C ) ) )
                    | ( C
                      = ( relation_composition @ A @ B ) ) )
                & ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( C
                     != ( relation_composition @ A @ B ) )
                    | ( ! [D: $i,E: $i] :
                          ( ! [F: $i] :
                              ( ~ ( in @ ( ordered_pair @ D @ F ) @ A )
                              | ~ ( in @ ( ordered_pair @ F @ E ) @ B ) )
                          | ( in @ ( ordered_pair @ D @ E ) @ C ) )
                      & ! [D: $i,E: $i] :
                          ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                          | ( ( in @ ( ordered_pair @ D @ ( sK12_F @ E @ D @ C @ B @ A ) ) @ A )
                            & ( in @ ( ordered_pair @ ( sK12_F @ E @ D @ C @ B @ A ) @ E ) @ B ) ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[282]) ).

thf(470,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_intersection2 @ A @ B )
           != empty_set )
          | ( disjoint @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[283]) ).

thf(471,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK16_C @ B @ A ) @ ( sK17_SY462 @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ B @ A ) @ ( sK16_C @ B @ A ) ) @ A ) )
                  & ( ( in @ ( ordered_pair @ ( sK16_C @ B @ A ) @ ( sK17_SY462 @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK17_SY462 @ B @ A ) @ ( sK16_C @ B @ A ) ) @ A ) ) )
                | ( B
                  = ( relation_inverse @ A ) ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ( B
                 != ( relation_inverse @ A ) )
                | ( ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                      | ( in @ ( ordered_pair @ D @ C ) @ A ) )
                  & ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ C ) @ A )
                      | ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[284]) ).

thf(472,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[285]) ).

thf(473,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[287]) ).

thf(474,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY463: $i] :
                        ~ ( in @ ( ordered_pair @ SY463 @ ( sK19_C @ B @ A ) ) @ A )
                    | ~ ( in @ ( sK19_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK20_SY464 @ B @ A ) @ ( sK19_C @ B @ A ) ) @ A )
                    | ( in @ ( sK19_C @ B @ A ) @ B ) ) )
                | ( B
                  = ( relation_rng @ A ) ) )
            & ! [B: $i] :
                ( ( B
                 != ( relation_rng @ A ) )
                | ( ! [C: $i] :
                      ( ! [D: $i] :
                          ~ ( in @ ( ordered_pair @ D @ C ) @ A )
                      | ( in @ C @ B ) )
                  & ! [C: $i] :
                      ( ~ ( in @ C @ B )
                      | ( in @ ( ordered_pair @ ( sK18_D @ C @ B @ A ) @ C ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[288]) ).

thf(475,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY465: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK22_C @ B @ A ) @ SY465 ) @ A )
                    | ~ ( in @ ( sK22_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK22_C @ B @ A ) @ ( sK23_SY466 @ B @ A ) ) @ A )
                    | ( in @ ( sK22_C @ B @ A ) @ B ) ) )
                | ( B
                  = ( relation_dom @ A ) ) )
            & ! [B: $i] :
                ( ( B
                 != ( relation_dom @ A ) )
                | ( ! [C: $i] :
                      ( ! [D: $i] :
                          ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ C @ B ) )
                  & ! [C: $i] :
                      ( ~ ( in @ C @ B )
                      | ( in @ ( ordered_pair @ C @ ( sK21_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[289]) ).

thf(476,plain,
    ( ( ! [A: $i] :
          ( ~ ( function @ A )
          | ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ( C
                     != ( apply @ A @ B ) )
                    | ( in @ ( ordered_pair @ B @ C ) @ A ) ) )
            & ! [B: $i] :
                ( ~ ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
                    | ( C
                      = ( apply @ A @ B ) ) ) )
            & ! [B: $i] :
                ( ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ( C
                     != ( apply @ A @ B ) )
                    | ( C = empty_set ) ) )
            & ! [B: $i] :
                ( ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ( C != empty_set )
                    | ( C
                      = ( apply @ A @ B ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[290]) ).

thf(477,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( in @ ( ordered_pair @ ( sK24_C @ B @ A ) @ ( sK25_SY467 @ B @ A ) ) @ A )
                  & ~ ( in @ ( ordered_pair @ ( sK24_C @ B @ A ) @ ( sK25_SY467 @ B @ A ) ) @ B ) )
                | ( subset @ A @ B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ! [C: $i,D: $i] :
                    ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                    | ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[291]) ).

thf(478,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ( ( ! [SY468: $i] :
                        ( ~ ( in @ ( ordered_pair @ ( sK27_D @ C @ B @ A ) @ SY468 ) @ A )
                        | ~ ( in @ SY468 @ B ) )
                    | ~ ( in @ ( sK27_D @ C @ B @ A ) @ C ) )
                  & ( ( ( in @ ( ordered_pair @ ( sK27_D @ C @ B @ A ) @ ( sK28_SY469 @ C @ B @ A ) ) @ A )
                      & ( in @ ( sK28_SY469 @ C @ B @ A ) @ B ) )
                    | ( in @ ( sK27_D @ C @ B @ A ) @ C ) ) )
                | ( C
                  = ( relation_inverse_image @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ( C
                 != ( relation_inverse_image @ A @ B ) )
                | ( ! [D: $i] :
                      ( ! [E: $i] :
                          ( ~ ( in @ ( ordered_pair @ D @ E ) @ A )
                          | ~ ( in @ E @ B ) )
                      | ( in @ D @ C ) )
                  & ! [D: $i] :
                      ( ~ ( in @ D @ C )
                      | ( ( in @ ( ordered_pair @ D @ ( sK26_E @ D @ C @ B @ A ) ) @ A )
                        & ( in @ ( sK26_E @ D @ C @ B @ A ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[292]) ).

thf(479,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ( ( ! [SY470: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY470 @ ( sK30_D @ C @ B @ A ) ) @ A )
                        | ~ ( in @ SY470 @ B ) )
                    | ~ ( in @ ( sK30_D @ C @ B @ A ) @ C ) )
                  & ( ( ( in @ ( ordered_pair @ ( sK31_SY471 @ C @ B @ A ) @ ( sK30_D @ C @ B @ A ) ) @ A )
                      & ( in @ ( sK31_SY471 @ C @ B @ A ) @ B ) )
                    | ( in @ ( sK30_D @ C @ B @ A ) @ C ) ) )
                | ( C
                  = ( relation_image @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ( C
                 != ( relation_image @ A @ B ) )
                | ( ! [D: $i] :
                      ( ! [E: $i] :
                          ( ~ ( in @ ( ordered_pair @ E @ D ) @ A )
                          | ~ ( in @ E @ B ) )
                      | ( in @ D @ C ) )
                  & ! [D: $i] :
                      ( ~ ( in @ D @ C )
                      | ( ( in @ ( ordered_pair @ ( sK29_E @ D @ C @ B @ A ) @ D ) @ A )
                        & ( in @ ( sK29_E @ D @ C @ B @ A ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[293]) ).

thf(480,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ! [C: $i] :
                ( ~ ( relation @ C )
                | ( ( ~ ( in @ ( sK33_SY472 @ C @ B @ A ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( sK33_SY472 @ C @ B @ A ) @ A )
                    | ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ C ) ) )
                | ( C
                  = ( relation_rng_restriction @ A @ B ) ) )
            & ! [C: $i] :
                ( ~ ( relation @ C )
                | ( C
                 != ( relation_rng_restriction @ A @ B ) )
                | ( ! [D: $i,E: $i] :
                      ( ~ ( in @ E @ A )
                      | ~ ( in @ ( ordered_pair @ D @ E ) @ B )
                      | ( in @ ( ordered_pair @ D @ E ) @ C ) )
                  & ! [D: $i,E: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ E @ A ) )
                  & ! [D: $i,E: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ ( ordered_pair @ D @ E ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[294]) ).

thf(481,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ~ ( relation @ C )
                | ( ( ~ ( in @ ( sK34_D @ C @ B @ A ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( sK34_D @ C @ B @ A ) @ B )
                    | ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ C ) ) )
                | ( C
                  = ( relation_dom_restriction @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ~ ( relation @ C )
                | ( C
                 != ( relation_dom_restriction @ A @ B ) )
                | ( ! [D: $i,E: $i] :
                      ( ~ ( in @ D @ B )
                      | ~ ( in @ ( ordered_pair @ D @ E ) @ A )
                      | ( in @ ( ordered_pair @ D @ E ) @ C ) )
                  & ! [D: $i] :
                      ( ! [E: $i] :
                          ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ D @ B ) )
                  & ! [D: $i,E: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[295]) ).

thf(482,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( A = B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[296]) ).

thf(483,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[300]) ).

thf(484,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( function @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[301]) ).

thf(485,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
           != ( unordered_pair @ B @ C ) )
          | ( B = C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[302]) ).

thf(486,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[304]) ).

thf(487,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_dom @ ( relation_dom_restriction @ B @ A ) )
            = ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[305]) ).

thf(488,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( singleton @ A )
             != ( unordered_pair @ B @ C ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[306]) ).

thf(489,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ B )
          | ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[307]) ).

thf(490,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ( B
               != ( apply @ C @ A ) )
              | ~ ( in @ A @ ( relation_dom @ C ) )
              | ( in @ ( ordered_pair @ A @ B ) @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( B
                = ( apply @ C @ A ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ A @ ( relation_dom @ C ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[308]) ).

thf(491,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[309]) ).

thf(492,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ B )
              | ~ ( in @ A @ ( relation_dom @ C ) )
              | ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
              | ( in @ A @ B ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
              | ( in @ A @ ( relation_dom @ C ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[310]) ).

thf(493,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
           != A )
          | ( disjoint @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( ( set_difference @ A @ B )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[311]) ).

thf(494,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( relation @ D )
              | ~ ( in @ A @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ D )
              | ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( relation @ D )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
              | ( in @ A @ C ) )
          & ! [C: $i,D: $i] :
              ( ~ ( relation @ D )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
              | ( in @ ( ordered_pair @ A @ B ) @ D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[313]) ).

thf(495,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[314]) ).

thf(496,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_dom @ A )
           != empty_set )
          | ( ( relation_rng @ A )
            = empty_set ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_rng @ A )
           != empty_set )
          | ( ( relation_dom @ A )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[316]) ).

thf(497,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_dom @ A )
           != empty_set )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_rng @ A )
           != empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[317]) ).

thf(498,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[318]) ).

thf(499,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[319]) ).

thf(500,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( in @ ( ordered_pair @ ( sK36_B @ A ) @ ( sK37_SY474 @ A ) ) @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[321]) ).

thf(501,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ C @ ( powerset @ A ) )
          | ~ ( in @ B @ ( subset_complement @ A @ C ) )
          | ~ ( in @ B @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[322]) ).

thf(502,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ~ ( element @ B @ ( powerset @ A ) )
              | ! [C: $i] :
                  ( ~ ( element @ C @ A )
                  | ( in @ C @ B )
                  | ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[323]) ).

thf(503,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ~ ( subset @ ( relation_dom @ A ) @ ( relation_rng @ B ) )
              | ( ( relation_rng @ ( relation_composition @ B @ A ) )
                = ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[325]) ).

thf(504,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( B = empty_set )
          | ( ( complements_of_subsets @ A @ B )
           != empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[326]) ).

thf(505,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ~ ( subset @ ( relation_rng @ A ) @ ( relation_dom @ B ) )
              | ( ( relation_dom @ ( relation_composition @ A @ B ) )
                = ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[327]) ).

thf(506,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[328]) ).

thf(507,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[329]) ).

thf(508,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[330]) ).

thf(509,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ! [C: $i] :
                ( ~ ( element @ C @ ( powerset @ A ) )
                | ~ ( disjoint @ B @ C )
                | ( subset @ B @ ( subset_complement @ A @ C ) ) )
            & ! [C: $i] :
                ( ~ ( element @ C @ ( powerset @ A ) )
                | ~ ( subset @ B @ ( subset_complement @ A @ C ) )
                | ( disjoint @ B @ C ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[331]) ).

thf(510,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[333]) ).

thf(511,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ ( singleton @ B ) )
          | ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] : ( subset @ A @ ( singleton @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ( A
           != ( singleton @ B ) )
          | ( subset @ A @ ( singleton @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[334]) ).

thf(512,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
           != empty_set )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_difference @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[336]) ).

thf(513,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_rng @ A )
            = ( relation_dom @ ( relation_inverse @ A ) ) ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_dom @ A )
            = ( relation_rng @ ( relation_inverse @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[337]) ).

thf(514,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( ( in @ ( sK38_C @ B @ A ) @ A )
            & ( ( apply @ B @ ( sK38_C @ B @ A ) )
             != ( sK38_C @ B @ A ) ) )
          | ( ( relation_dom @ B )
           != A )
          | ( B
            = ( identity_relation @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( B
           != ( identity_relation @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( ( apply @ B @ C )
                = C ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( B
           != ( identity_relation @ A ) )
          | ( ( relation_dom @ B )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[339]) ).

thf(515,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ! [D: $i] :
                  ( ( ordered_pair @ A @ B )
                 != ( ordered_pair @ C @ D ) )
              | ( A = C ) )
          & ! [C: $i,D: $i] :
              ( ( ( ordered_pair @ A @ B )
               != ( ordered_pair @ C @ D ) )
              | ( B = D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[340]) ).

thf(516,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[341]) ).

thf(517,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ A @ ( relation_field @ C ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ B @ ( relation_field @ C ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[342]) ).

thf(518,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[344]) ).

thf(519,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[345]) ).

thf(520,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ( subset @ ( relation_dom @ A ) @ ( relation_dom @ B ) ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ( subset @ ( relation_rng @ A ) @ ( relation_rng @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[346]) ).

thf(521,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ! [C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ B ) )
              | ( ( apply @ ( relation_composition @ B @ C ) @ A )
                = ( apply @ C @ ( apply @ B @ A ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[347]) ).

thf(522,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ! [C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
              | ( ( apply @ ( relation_composition @ C @ B ) @ A )
                = ( apply @ B @ ( apply @ C @ A ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[348]) ).

thf(523,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[349]) ).

thf(524,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( ! [C: $i] :
                ( ~ ( function @ C )
                | ~ ( relation @ C )
                | ~ ( in @ A @ ( relation_dom @ C ) )
                | ~ ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) )
                | ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) ) )
            & ! [C: $i] :
                ( ~ ( function @ C )
                | ~ ( relation @ C )
                | ~ ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
                | ( in @ A @ ( relation_dom @ C ) ) )
            & ! [C: $i] :
                ( ~ ( function @ C )
                | ~ ( relation @ C )
                | ~ ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
                | ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[350]) ).

thf(525,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ A @ ( relation_dom @ C ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ B @ ( relation_rng @ C ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[351]) ).

thf(526,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[353]) ).

thf(527,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ A @ C )
          | ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[354]) ).

thf(528,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( relation @ C )
          | ~ ( subset @ A @ B )
          | ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[356]) ).

thf(529,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( A = empty_set )
          | ~ ( subset @ A @ ( relation_rng @ B ) )
          | ( ( relation_inverse_image @ B @ A )
           != empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[357]) ).

thf(530,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_inverse_image @ B @ A ) @ ( relation_dom @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[358]) ).

thf(531,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ! [D: $i] :
                  ( ~ ( in @ D @ ( relation_rng @ C ) )
                  | ~ ( in @ ( ordered_pair @ A @ D ) @ C )
                  | ~ ( in @ D @ B ) )
              | ( in @ A @ ( relation_inverse_image @ C @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_inverse_image @ C @ B ) )
              | ( ( in @ ( sK39_D @ C @ B @ A ) @ ( relation_rng @ C ) )
                & ( in @ ( ordered_pair @ A @ ( sK39_D @ C @ B @ A ) ) @ C )
                & ( in @ ( sK39_D @ C @ B @ A ) @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[359]) ).

thf(532,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_image @ A @ ( relation_dom @ A ) )
            = ( relation_rng @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[360]) ).

thf(533,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_image @ B @ A )
            = ( relation_image @ B @ ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[361]) ).

thf(534,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_image @ B @ A ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[362]) ).

thf(535,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ! [D: $i] :
                  ( ~ ( in @ D @ ( relation_dom @ C ) )
                  | ~ ( in @ ( ordered_pair @ D @ A ) @ C )
                  | ~ ( in @ D @ B ) )
              | ( in @ A @ ( relation_image @ C @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_image @ C @ B ) )
              | ( ( in @ ( sK40_D @ C @ B @ A ) @ ( relation_dom @ C ) )
                & ( in @ ( ordered_pair @ ( sK40_D @ C @ B @ A ) @ A ) @ C )
                & ( in @ ( sK40_D @ C @ B @ A ) @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[363]) ).

thf(536,plain,
    ( ( ! [A: $i] :
          ( ! [SY475: $i] :
              ( ~ ( subset @ SY475 @ ( sK41_B @ A ) )
              | ( are_equipotent @ SY475 @ ( sK41_B @ A ) )
              | ( in @ SY475 @ ( sK41_B @ A ) ) )
          & ! [SY476: $i] :
              ( ~ ( in @ SY476 @ ( sK41_B @ A ) )
              | ( in @ ( powerset @ SY476 ) @ ( sK41_B @ A ) ) )
          & ! [SY477: $i,SY478: $i] :
              ( ~ ( in @ SY477 @ ( sK41_B @ A ) )
              | ~ ( subset @ SY478 @ SY477 )
              | ( in @ SY478 @ ( sK41_B @ A ) ) )
          & ( in @ A @ ( sK41_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[364]) ).

thf(537,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[365]) ).

thf(538,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ D )
          | ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[366]) ).

thf(539,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_rng @ ( relation_rng_restriction @ A @ B ) )
            = ( set_intersection2 @ ( relation_rng @ B ) @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[367]) ).

thf(540,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) ) )
          & ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[368]) ).

thf(541,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[369]) ).

thf(542,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[370]) ).

thf(543,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[371]) ).

thf(544,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ B )
              | ~ ( in @ A @ ( relation_rng @ C ) )
              | ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
              | ( in @ A @ B ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
              | ( in @ A @ ( relation_rng @ C ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[372]) ).

thf(545,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( A = D )
          | ( A = C )
          | ( ( unordered_pair @ A @ B )
           != ( unordered_pair @ C @ D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[373]) ).

thf(546,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ ( singleton @ B ) )
          | ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] : ( subset @ A @ ( singleton @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ( A
           != ( singleton @ B ) )
          | ( subset @ A @ ( singleton @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[374]) ).

thf(547,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ( in @ C @ A )
              | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[375]) ).

thf(548,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
           != empty_set )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_difference @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[376]) ).

thf(549,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[377]) ).

thf(550,plain,
    ( ( ! [A: $i] :
          ( ! [SY479: $i] :
              ( ~ ( subset @ SY479 @ ( sK42_B @ A ) )
              | ( are_equipotent @ SY479 @ ( sK42_B @ A ) )
              | ( in @ SY479 @ ( sK42_B @ A ) ) )
          & ! [SY480: $i] :
              ( ( ! [SY485: $i] :
                    ( ~ ( subset @ SY485 @ SY480 )
                    | ( in @ SY485 @ ( sK43_SY481 @ SY480 @ A ) ) )
                & ( in @ ( sK43_SY481 @ SY480 @ A ) @ ( sK42_B @ A ) ) )
              | ~ ( in @ SY480 @ ( sK42_B @ A ) ) )
          & ! [SY483: $i,SY484: $i] :
              ( ~ ( in @ SY483 @ ( sK42_B @ A ) )
              | ~ ( subset @ SY484 @ SY483 )
              | ( in @ SY484 @ ( sK42_B @ A ) ) )
          & ( in @ A @ ( sK42_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[378]) ).

thf(551,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[379]) ).

thf(552,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[380]) ).

thf(553,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK44_C @ B @ A ) @ A )
              | ~ ( in @ ( sK44_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK44_C @ B @ A ) @ A )
              | ( in @ ( sK44_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[381]) ).

thf(554,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[382]) ).

thf(555,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[383]) ).

thf(556,plain,
    ( ( ! [A: $i] : ( function @ ( identity_relation @ A ) )
      & ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[384]) ).

thf(557,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK45_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK45_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK45_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK45_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK45_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK45_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK45_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_difference @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_difference @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ~ ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[386]) ).

thf(558,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY486: $i] :
                  ( ~ ( in @ ( sK47_C @ B @ A ) @ SY486 )
                  | ~ ( in @ SY486 @ A ) )
              | ~ ( in @ ( sK47_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK47_C @ B @ A ) @ ( sK48_SY487 @ B @ A ) )
                & ( in @ ( sK48_SY487 @ B @ A ) @ A ) )
              | ( in @ ( sK47_C @ B @ A ) @ B ) ) )
          | ( B
            = ( union @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( union @ A ) )
          | ( ! [C: $i] :
                ( ! [D: $i] :
                    ( ~ ( in @ C @ D )
                    | ~ ( in @ D @ A ) )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( ( in @ C @ ( sK46_D @ C @ B @ A ) )
                  & ( in @ ( sK46_D @ C @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[387]) ).

thf(559,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK49_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK49_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK49_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK49_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK49_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK49_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK49_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_intersection2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_intersection2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ~ ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[388]) ).

thf(560,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK50_C @ B @ A ) @ A )
            & ~ ( in @ ( sK50_C @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[389]) ).

thf(561,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ! [SY489: $i,SY490: $i] :
                      ( ~ ( in @ SY489 @ A )
                      | ~ ( in @ SY490 @ B )
                      | ( ( sK53_D @ C @ B @ A )
                       != ( ordered_pair @ SY489 @ SY490 ) ) )
                  | ~ ( in @ ( sK53_D @ C @ B @ A ) @ C ) )
                & ( ( ( in @ ( sK54_SY491 @ C @ B @ A ) @ A )
                    & ( in @ ( sK55_SY493 @ C @ B @ A ) @ B )
                    & ( ( sK53_D @ C @ B @ A )
                      = ( ordered_pair @ ( sK54_SY491 @ C @ B @ A ) @ ( sK55_SY493 @ C @ B @ A ) ) ) )
                  | ( in @ ( sK53_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( cartesian_product2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( cartesian_product2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ! [E: $i,F: $i] :
                        ( ~ ( in @ E @ A )
                        | ~ ( in @ F @ B )
                        | ( D
                         != ( ordered_pair @ E @ F ) ) )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( ( in @ ( sK51_E @ D @ C @ B @ A ) @ A )
                      & ( in @ ( sK52_SY488 @ D @ C @ B @ A ) @ B )
                      & ( D
                        = ( ordered_pair @ ( sK51_E @ D @ C @ B @ A ) @ ( sK52_SY488 @ D @ C @ B @ A ) ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[390]) ).

thf(562,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK56_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK56_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK56_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK56_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK56_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK56_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK56_D @ C @ B @ A ) @ B ) ) )
              | ( C
                = ( set_union2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_union2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A )
                    | ( in @ D @ B ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[391]) ).

thf(563,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK57_D @ C @ B @ A ) @ C )
                  | ( ( sK57_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK57_D @ C @ B @ A ) @ C )
                  | ( ( sK57_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK57_D @ C @ B @ A ) @ C )
                  | ( ( sK57_D @ C @ B @ A )
                    = A )
                  | ( ( sK57_D @ C @ B @ A )
                    = B ) ) )
              | ( C
                = ( unordered_pair @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( unordered_pair @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( D = A )
                    | ( D = B ) )
                & ! [D: $i] :
                    ( ( D != A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ( D != B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[392]) ).

thf(564,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ A )
              | ( in @ B @ A ) ) )
      & ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ( ~ ( in @ B @ A )
              | ( element @ B @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ A )
              | ( empty @ B ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ! [B: $i] :
              ( ~ ( empty @ B )
              | ( element @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[393]) ).

thf(565,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ B ) ) )
                | ( A = B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ( A != B )
                | ( ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ ( ordered_pair @ C @ D ) @ B ) )
                  & ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                      | ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[394]) ).

thf(566,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK60_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK60_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK60_C @ B @ A ) @ B )
              | ( subset @ ( sK60_C @ B @ A ) @ A ) ) )
          | ( B
            = ( powerset @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( powerset @ A ) )
          | ( ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( subset @ C @ A ) )
            & ! [C: $i] :
                ( ~ ( subset @ C @ A )
                | ( in @ C @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[395]) ).

thf(567,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK61_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[396]) ).

thf(568,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK62_C @ B @ A )
               != A )
              | ~ ( in @ ( sK62_C @ B @ A ) @ B ) )
            & ( ( ( sK62_C @ B @ A )
                = A )
              | ( in @ ( sK62_C @ B @ A ) @ B ) ) )
          | ( B
            = ( singleton @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( singleton @ A ) )
          | ( ! [C: $i] :
                ( ( C != A )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( C = A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[397]) ).

thf(569,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( ( ( ( in @ ( sK65_SY495 @ B @ A ) @ A )
                    & ~ ( in @ ( sK64_C @ B @ A ) @ ( sK65_SY495 @ B @ A ) ) )
                  | ~ ( in @ ( sK64_C @ B @ A ) @ B ) )
                & ( ! [SY496: $i] :
                      ( ~ ( in @ SY496 @ A )
                      | ( in @ ( sK64_C @ B @ A ) @ SY496 ) )
                  | ( in @ ( sK64_C @ B @ A ) @ B ) ) )
              | ( B
                = ( set_meet @ A ) ) ) )
      & ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( ! [C: $i] :
                    ( ( ( in @ ( sK63_D @ C @ B @ A ) @ A )
                      & ~ ( in @ C @ ( sK63_D @ C @ B @ A ) ) )
                    | ( in @ C @ B ) )
                & ! [C: $i] :
                    ( ~ ( in @ C @ B )
                    | ! [D: $i] :
                        ( ~ ( in @ D @ A )
                        | ( in @ C @ D ) ) ) ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( B = empty_set ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ( ( B != empty_set )
              | ( B
                = ( set_meet @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[398]) ).

thf(570,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY498: $i,SY499: $i] :
                ( ( sK68_B @ A )
               != ( ordered_pair @ SY498 @ SY499 ) )
            & ( in @ ( sK68_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK66_C @ B @ A ) @ ( sK67_SY497 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[399]) ).

thf(571,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( ( ( sK69_C @ B @ A )
               != ( sK70_SY500 @ B @ A ) )
              | ~ ( in @ ( sK69_C @ B @ A ) @ A )
              | ~ ( in @ ( ordered_pair @ ( sK69_C @ B @ A ) @ ( sK70_SY500 @ B @ A ) ) @ B ) )
            & ( ( ( sK69_C @ B @ A )
                = ( sK70_SY500 @ B @ A ) )
              | ( in @ ( ordered_pair @ ( sK69_C @ B @ A ) @ ( sK70_SY500 @ B @ A ) ) @ B ) )
            & ( ( in @ ( sK69_C @ B @ A ) @ A )
              | ( in @ ( ordered_pair @ ( sK69_C @ B @ A ) @ ( sK70_SY500 @ B @ A ) ) @ B ) ) )
          | ( B
            = ( identity_relation @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( B
           != ( identity_relation @ A ) )
          | ( ! [C: $i,D: $i] :
                ( ( C != D )
                | ~ ( in @ C @ A )
                | ( in @ ( ordered_pair @ C @ D ) @ B ) )
            & ! [C: $i,D: $i] :
                ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                | ( C = D ) )
            & ! [C: $i] :
                ( ! [D: $i] :
                    ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                | ( in @ C @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[400]) ).

thf(572,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[401]) ).

thf(573,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[402]) ).

thf(574,plain,
    ( ( ! [A: $i] :
          ( ( relation_dom @ ( identity_relation @ A ) )
          = A )
      & ! [A: $i] :
          ( ( relation_rng @ ( identity_relation @ A ) )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[403]) ).

thf(575,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ ( singleton @ B ) )
           != A )
          | ~ ( in @ B @ A ) )
      & ! [A: $i,B: $i] :
          ( ( in @ B @ A )
          | ( ( set_difference @ A @ ( singleton @ B ) )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[404]) ).

thf(576,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK71_C @ B @ A ) @ ( set_intersection2 @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[405]) ).

thf(577,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[406]) ).

thf(578,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK72_C @ B @ A ) @ A )
            & ( in @ ( sK72_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[407]) ).

thf(579,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ C )
              | ( subset @ ( unordered_pair @ A @ B ) @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ A @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[408]) ).

thf(580,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[409]) ).

thf(581,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ D )
              | ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) ) )
          & ! [C: $i] :
              ( ! [D: $i] :
                  ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ A @ C ) )
          & ! [C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ B @ D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[410]) ).

thf(582,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK73_C @ B @ A ) @ A )
            & ~ ( in @ ( sK73_C @ B @ A ) @ B ) )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[411]) ).

thf(583,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ D )
              | ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) ) )
          & ! [C: $i] :
              ( ! [D: $i] :
                  ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ A @ C ) )
          & ! [C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ B @ D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[412]) ).

thf(584,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[413]) ).

thf(585,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ B )
              | ( in @ C @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[414]) ).

thf(586,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[415]) ).

thf(587,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
          | ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[416]) ).

thf(588,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ ( singleton @ A ) @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[417]) ).

thf(589,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[418]) ).

thf(590,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[589]) ).

thf(591,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ ( singleton @ A ) @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[588]) ).

thf(592,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
          | ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[587]) ).

thf(593,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[586]) ).

thf(594,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ B )
              | ( in @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[585]) ).

thf(595,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[584]) ).

thf(596,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ D )
              | ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) ) )
          & ! [C: $i] :
              ( ! [D: $i] :
                  ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ A @ C ) )
          & ! [C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ B @ D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[583]) ).

thf(597,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK73_C @ B @ A ) @ A )
            & ~ ( in @ ( sK73_C @ B @ A ) @ B ) )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[582]) ).

thf(598,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ D )
              | ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) ) )
          & ! [C: $i] :
              ( ! [D: $i] :
                  ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ A @ C ) )
          & ! [C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
              | ( in @ B @ D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[581]) ).

thf(599,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[580]) ).

thf(600,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ C )
              | ( subset @ ( unordered_pair @ A @ B ) @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ A @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[579]) ).

thf(601,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK72_C @ B @ A ) @ A )
            & ( in @ ( sK72_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[578]) ).

thf(602,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[577]) ).

thf(603,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK71_C @ B @ A ) @ ( set_intersection2 @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[576]) ).

thf(604,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ ( singleton @ B ) )
           != A )
          | ~ ( in @ B @ A ) )
      & ! [A: $i,B: $i] :
          ( ( in @ B @ A )
          | ( ( set_difference @ A @ ( singleton @ B ) )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[575]) ).

thf(605,plain,
    ( ( ! [A: $i] :
          ( ( relation_dom @ ( identity_relation @ A ) )
          = A )
      & ! [A: $i] :
          ( ( relation_rng @ ( identity_relation @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[574]) ).

thf(606,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[573]) ).

thf(607,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[572]) ).

thf(608,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( ( ( sK69_C @ B @ A )
               != ( sK70_SY500 @ B @ A ) )
              | ~ ( in @ ( sK69_C @ B @ A ) @ A )
              | ~ ( in @ ( ordered_pair @ ( sK69_C @ B @ A ) @ ( sK70_SY500 @ B @ A ) ) @ B ) )
            & ( ( ( sK69_C @ B @ A )
                = ( sK70_SY500 @ B @ A ) )
              | ( in @ ( ordered_pair @ ( sK69_C @ B @ A ) @ ( sK70_SY500 @ B @ A ) ) @ B ) )
            & ( ( in @ ( sK69_C @ B @ A ) @ A )
              | ( in @ ( ordered_pair @ ( sK69_C @ B @ A ) @ ( sK70_SY500 @ B @ A ) ) @ B ) ) )
          | ( B
            = ( identity_relation @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( B
           != ( identity_relation @ A ) )
          | ( ! [C: $i,D: $i] :
                ( ( C != D )
                | ~ ( in @ C @ A )
                | ( in @ ( ordered_pair @ C @ D ) @ B ) )
            & ! [C: $i,D: $i] :
                ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                | ( C = D ) )
            & ! [C: $i] :
                ( ! [D: $i] :
                    ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                | ( in @ C @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[571]) ).

thf(609,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY498: $i,SY499: $i] :
                ( ( sK68_B @ A )
               != ( ordered_pair @ SY498 @ SY499 ) )
            & ( in @ ( sK68_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK66_C @ B @ A ) @ ( sK67_SY497 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[570]) ).

thf(610,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( ( ( ( in @ ( sK65_SY495 @ B @ A ) @ A )
                    & ~ ( in @ ( sK64_C @ B @ A ) @ ( sK65_SY495 @ B @ A ) ) )
                  | ~ ( in @ ( sK64_C @ B @ A ) @ B ) )
                & ( ! [SY496: $i] :
                      ( ~ ( in @ SY496 @ A )
                      | ( in @ ( sK64_C @ B @ A ) @ SY496 ) )
                  | ( in @ ( sK64_C @ B @ A ) @ B ) ) )
              | ( B
                = ( set_meet @ A ) ) ) )
      & ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( ! [C: $i] :
                    ( ( ( in @ ( sK63_D @ C @ B @ A ) @ A )
                      & ~ ( in @ C @ ( sK63_D @ C @ B @ A ) ) )
                    | ( in @ C @ B ) )
                & ! [C: $i] :
                    ( ~ ( in @ C @ B )
                    | ! [D: $i] :
                        ( ~ ( in @ D @ A )
                        | ( in @ C @ D ) ) ) ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( B = empty_set ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ( ( B != empty_set )
              | ( B
                = ( set_meet @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[569]) ).

thf(611,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK62_C @ B @ A )
               != A )
              | ~ ( in @ ( sK62_C @ B @ A ) @ B ) )
            & ( ( ( sK62_C @ B @ A )
                = A )
              | ( in @ ( sK62_C @ B @ A ) @ B ) ) )
          | ( B
            = ( singleton @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( singleton @ A ) )
          | ( ! [C: $i] :
                ( ( C != A )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( C = A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[568]) ).

thf(612,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK61_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[567]) ).

thf(613,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK60_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK60_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK60_C @ B @ A ) @ B )
              | ( subset @ ( sK60_C @ B @ A ) @ A ) ) )
          | ( B
            = ( powerset @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( powerset @ A ) )
          | ( ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( subset @ C @ A ) )
            & ! [C: $i] :
                ( ~ ( subset @ C @ A )
                | ( in @ C @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[566]) ).

thf(614,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK58_C @ B @ A ) @ ( sK59_SY494 @ B @ A ) ) @ B ) ) )
                | ( A = B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ( A != B )
                | ( ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ ( ordered_pair @ C @ D ) @ B ) )
                  & ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                      | ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[565]) ).

thf(615,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ A )
              | ( in @ B @ A ) ) )
      & ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ( ~ ( in @ B @ A )
              | ( element @ B @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ A )
              | ( empty @ B ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ! [B: $i] :
              ( ~ ( empty @ B )
              | ( element @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[564]) ).

thf(616,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK57_D @ C @ B @ A ) @ C )
                  | ( ( sK57_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK57_D @ C @ B @ A ) @ C )
                  | ( ( sK57_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK57_D @ C @ B @ A ) @ C )
                  | ( ( sK57_D @ C @ B @ A )
                    = A )
                  | ( ( sK57_D @ C @ B @ A )
                    = B ) ) )
              | ( C
                = ( unordered_pair @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( unordered_pair @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( D = A )
                    | ( D = B ) )
                & ! [D: $i] :
                    ( ( D != A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ( D != B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[563]) ).

thf(617,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK56_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK56_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK56_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK56_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK56_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK56_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK56_D @ C @ B @ A ) @ B ) ) )
              | ( C
                = ( set_union2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_union2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A )
                    | ( in @ D @ B ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[562]) ).

thf(618,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ! [SY489: $i,SY490: $i] :
                      ( ~ ( in @ SY489 @ A )
                      | ~ ( in @ SY490 @ B )
                      | ( ( sK53_D @ C @ B @ A )
                       != ( ordered_pair @ SY489 @ SY490 ) ) )
                  | ~ ( in @ ( sK53_D @ C @ B @ A ) @ C ) )
                & ( ( ( in @ ( sK54_SY491 @ C @ B @ A ) @ A )
                    & ( in @ ( sK55_SY493 @ C @ B @ A ) @ B )
                    & ( ( sK53_D @ C @ B @ A )
                      = ( ordered_pair @ ( sK54_SY491 @ C @ B @ A ) @ ( sK55_SY493 @ C @ B @ A ) ) ) )
                  | ( in @ ( sK53_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( cartesian_product2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( cartesian_product2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ! [E: $i,F: $i] :
                        ( ~ ( in @ E @ A )
                        | ~ ( in @ F @ B )
                        | ( D
                         != ( ordered_pair @ E @ F ) ) )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( ( in @ ( sK51_E @ D @ C @ B @ A ) @ A )
                      & ( in @ ( sK52_SY488 @ D @ C @ B @ A ) @ B )
                      & ( D
                        = ( ordered_pair @ ( sK51_E @ D @ C @ B @ A ) @ ( sK52_SY488 @ D @ C @ B @ A ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[561]) ).

thf(619,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK50_C @ B @ A ) @ A )
            & ~ ( in @ ( sK50_C @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[560]) ).

thf(620,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK49_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK49_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK49_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK49_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK49_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK49_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK49_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_intersection2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_intersection2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ~ ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[559]) ).

thf(621,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY486: $i] :
                  ( ~ ( in @ ( sK47_C @ B @ A ) @ SY486 )
                  | ~ ( in @ SY486 @ A ) )
              | ~ ( in @ ( sK47_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK47_C @ B @ A ) @ ( sK48_SY487 @ B @ A ) )
                & ( in @ ( sK48_SY487 @ B @ A ) @ A ) )
              | ( in @ ( sK47_C @ B @ A ) @ B ) ) )
          | ( B
            = ( union @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( union @ A ) )
          | ( ! [C: $i] :
                ( ! [D: $i] :
                    ( ~ ( in @ C @ D )
                    | ~ ( in @ D @ A ) )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( ( in @ C @ ( sK46_D @ C @ B @ A ) )
                  & ( in @ ( sK46_D @ C @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[558]) ).

thf(622,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK45_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK45_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK45_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK45_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK45_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK45_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK45_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_difference @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_difference @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ~ ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[557]) ).

thf(623,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[385]) ).

thf(624,plain,
    ( ( ! [A: $i] : ( function @ ( identity_relation @ A ) )
      & ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[556]) ).

thf(625,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[555]) ).

thf(626,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[554]) ).

thf(627,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK44_C @ B @ A ) @ A )
              | ~ ( in @ ( sK44_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK44_C @ B @ A ) @ A )
              | ( in @ ( sK44_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[553]) ).

thf(628,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[552]) ).

thf(629,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[551]) ).

thf(630,plain,
    ( ( ! [A: $i] :
          ( ! [SY479: $i] :
              ( ~ ( subset @ SY479 @ ( sK42_B @ A ) )
              | ( are_equipotent @ SY479 @ ( sK42_B @ A ) )
              | ( in @ SY479 @ ( sK42_B @ A ) ) )
          & ! [SY480: $i] :
              ( ( ! [SY485: $i] :
                    ( ~ ( subset @ SY485 @ SY480 )
                    | ( in @ SY485 @ ( sK43_SY481 @ SY480 @ A ) ) )
                & ( in @ ( sK43_SY481 @ SY480 @ A ) @ ( sK42_B @ A ) ) )
              | ~ ( in @ SY480 @ ( sK42_B @ A ) ) )
          & ! [SY483: $i,SY484: $i] :
              ( ~ ( in @ SY483 @ ( sK42_B @ A ) )
              | ~ ( subset @ SY484 @ SY483 )
              | ( in @ SY484 @ ( sK42_B @ A ) ) )
          & ( in @ A @ ( sK42_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[550]) ).

thf(631,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[549]) ).

thf(632,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
           != empty_set )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_difference @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[548]) ).

thf(633,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ( in @ C @ A )
              | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[547]) ).

thf(634,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ ( singleton @ B ) )
          | ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] : ( subset @ A @ ( singleton @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ( A
           != ( singleton @ B ) )
          | ( subset @ A @ ( singleton @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[546]) ).

thf(635,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( A = D )
          | ( A = C )
          | ( ( unordered_pair @ A @ B )
           != ( unordered_pair @ C @ D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[545]) ).

thf(636,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ B )
              | ~ ( in @ A @ ( relation_rng @ C ) )
              | ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
              | ( in @ A @ B ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
              | ( in @ A @ ( relation_rng @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[544]) ).

thf(637,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[543]) ).

thf(638,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[542]) ).

thf(639,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[541]) ).

thf(640,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) ) )
          & ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[540]) ).

thf(641,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_rng @ ( relation_rng_restriction @ A @ B ) )
            = ( set_intersection2 @ ( relation_rng @ B ) @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[539]) ).

thf(642,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ D )
          | ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[538]) ).

thf(643,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[537]) ).

thf(644,plain,
    ( ( ! [A: $i] :
          ( ! [SY475: $i] :
              ( ~ ( subset @ SY475 @ ( sK41_B @ A ) )
              | ( are_equipotent @ SY475 @ ( sK41_B @ A ) )
              | ( in @ SY475 @ ( sK41_B @ A ) ) )
          & ! [SY476: $i] :
              ( ~ ( in @ SY476 @ ( sK41_B @ A ) )
              | ( in @ ( powerset @ SY476 ) @ ( sK41_B @ A ) ) )
          & ! [SY477: $i,SY478: $i] :
              ( ~ ( in @ SY477 @ ( sK41_B @ A ) )
              | ~ ( subset @ SY478 @ SY477 )
              | ( in @ SY478 @ ( sK41_B @ A ) ) )
          & ( in @ A @ ( sK41_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[536]) ).

thf(645,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ! [D: $i] :
                  ( ~ ( in @ D @ ( relation_dom @ C ) )
                  | ~ ( in @ ( ordered_pair @ D @ A ) @ C )
                  | ~ ( in @ D @ B ) )
              | ( in @ A @ ( relation_image @ C @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_image @ C @ B ) )
              | ( ( in @ ( sK40_D @ C @ B @ A ) @ ( relation_dom @ C ) )
                & ( in @ ( ordered_pair @ ( sK40_D @ C @ B @ A ) @ A ) @ C )
                & ( in @ ( sK40_D @ C @ B @ A ) @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[535]) ).

thf(646,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_image @ B @ A ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[534]) ).

thf(647,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_image @ B @ A )
            = ( relation_image @ B @ ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[533]) ).

thf(648,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_image @ A @ ( relation_dom @ A ) )
            = ( relation_rng @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[532]) ).

thf(649,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ! [D: $i] :
                  ( ~ ( in @ D @ ( relation_rng @ C ) )
                  | ~ ( in @ ( ordered_pair @ A @ D ) @ C )
                  | ~ ( in @ D @ B ) )
              | ( in @ A @ ( relation_inverse_image @ C @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_inverse_image @ C @ B ) )
              | ( ( in @ ( sK39_D @ C @ B @ A ) @ ( relation_rng @ C ) )
                & ( in @ ( ordered_pair @ A @ ( sK39_D @ C @ B @ A ) ) @ C )
                & ( in @ ( sK39_D @ C @ B @ A ) @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[531]) ).

thf(650,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_inverse_image @ B @ A ) @ ( relation_dom @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[530]) ).

thf(651,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( A = empty_set )
          | ~ ( subset @ A @ ( relation_rng @ B ) )
          | ( ( relation_inverse_image @ B @ A )
           != empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[529]) ).

thf(652,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( relation @ C )
          | ~ ( subset @ A @ B )
          | ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[528]) ).

thf(653,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[355]) ).

thf(654,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ A @ C )
          | ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[527]) ).

thf(655,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[526]) ).

thf(656,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[352]) ).

thf(657,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ A @ ( relation_dom @ C ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ B @ ( relation_rng @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[525]) ).

thf(658,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( ! [C: $i] :
                ( ~ ( function @ C )
                | ~ ( relation @ C )
                | ~ ( in @ A @ ( relation_dom @ C ) )
                | ~ ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) )
                | ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) ) )
            & ! [C: $i] :
                ( ~ ( function @ C )
                | ~ ( relation @ C )
                | ~ ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
                | ( in @ A @ ( relation_dom @ C ) ) )
            & ! [C: $i] :
                ( ~ ( function @ C )
                | ~ ( relation @ C )
                | ~ ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
                | ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[524]) ).

thf(659,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[523]) ).

thf(660,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ! [C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
              | ( ( apply @ ( relation_composition @ C @ B ) @ A )
                = ( apply @ B @ ( apply @ C @ A ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[522]) ).

thf(661,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ! [C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ B ) )
              | ( ( apply @ ( relation_composition @ B @ C ) @ A )
                = ( apply @ C @ ( apply @ B @ A ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[521]) ).

thf(662,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ( subset @ ( relation_dom @ A ) @ ( relation_dom @ B ) ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ( subset @ ( relation_rng @ A ) @ ( relation_rng @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[520]) ).

thf(663,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[519]) ).

thf(664,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[518]) ).

thf(665,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(copy,[status(thm)],[343]) ).

thf(666,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ A @ ( relation_field @ C ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ B @ ( relation_field @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[517]) ).

thf(667,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[516]) ).

thf(668,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ! [D: $i] :
                  ( ( ordered_pair @ A @ B )
                 != ( ordered_pair @ C @ D ) )
              | ( A = C ) )
          & ! [C: $i,D: $i] :
              ( ( ( ordered_pair @ A @ B )
               != ( ordered_pair @ C @ D ) )
              | ( B = D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[515]) ).

thf(669,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( ( in @ ( sK38_C @ B @ A ) @ A )
            & ( ( apply @ B @ ( sK38_C @ B @ A ) )
             != ( sK38_C @ B @ A ) ) )
          | ( ( relation_dom @ B )
           != A )
          | ( B
            = ( identity_relation @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( B
           != ( identity_relation @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( ( apply @ B @ C )
                = C ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( function @ B )
          | ~ ( relation @ B )
          | ( B
           != ( identity_relation @ A ) )
          | ( ( relation_dom @ B )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[514]) ).

thf(670,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[338]) ).

thf(671,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_rng @ A )
            = ( relation_dom @ ( relation_inverse @ A ) ) ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_dom @ A )
            = ( relation_rng @ ( relation_inverse @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[513]) ).

thf(672,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
           != empty_set )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_difference @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[512]) ).

thf(673,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
          = ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[335]) ).

thf(674,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ ( singleton @ B ) )
          | ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] : ( subset @ A @ ( singleton @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ( A
           != ( singleton @ B ) )
          | ( subset @ A @ ( singleton @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[511]) ).

thf(675,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[510]) ).

thf(676,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
          = ( set_difference @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[332]) ).

thf(677,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ! [C: $i] :
                ( ~ ( element @ C @ ( powerset @ A ) )
                | ~ ( disjoint @ B @ C )
                | ( subset @ B @ ( subset_complement @ A @ C ) ) )
            & ! [C: $i] :
                ( ~ ( element @ C @ ( powerset @ A ) )
                | ~ ( subset @ B @ ( subset_complement @ A @ C ) )
                | ( disjoint @ B @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[509]) ).

thf(678,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[508]) ).

thf(679,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[507]) ).

thf(680,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[506]) ).

thf(681,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ~ ( subset @ ( relation_rng @ A ) @ ( relation_dom @ B ) )
              | ( ( relation_dom @ ( relation_composition @ A @ B ) )
                = ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[505]) ).

thf(682,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( B = empty_set )
          | ( ( complements_of_subsets @ A @ B )
           != empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[504]) ).

thf(683,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ~ ( subset @ ( relation_dom @ A ) @ ( relation_rng @ B ) )
              | ( ( relation_rng @ ( relation_composition @ B @ A ) )
                = ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[503]) ).

thf(684,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ A @ ( set_difference @ A @ B ) )
          = ( set_intersection2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[324]) ).

thf(685,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ~ ( element @ B @ ( powerset @ A ) )
              | ! [C: $i] :
                  ( ~ ( element @ C @ A )
                  | ( in @ C @ B )
                  | ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[502]) ).

thf(686,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ C @ ( powerset @ A ) )
          | ~ ( in @ B @ ( subset_complement @ A @ C ) )
          | ~ ( in @ B @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[501]) ).

thf(687,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( in @ ( ordered_pair @ ( sK36_B @ A ) @ ( sK37_SY474 @ A ) ) @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[500]) ).

thf(688,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[320]) ).

thf(689,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[499]) ).

thf(690,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[498]) ).

thf(691,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_dom @ A )
           != empty_set )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_rng @ A )
           != empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[497]) ).

thf(692,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_dom @ A )
           != empty_set )
          | ( ( relation_rng @ A )
            = empty_set ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_rng @ A )
           != empty_set )
          | ( ( relation_dom @ A )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[496]) ).

thf(693,plain,
    ( ( ! [A: $i] :
          ( ( unordered_pair @ A @ A )
          = ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[315]) ).

thf(694,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[495]) ).

thf(695,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( relation @ D )
              | ~ ( in @ A @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ D )
              | ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( relation @ D )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
              | ( in @ A @ C ) )
          & ! [C: $i,D: $i] :
              ( ~ ( relation @ D )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
              | ( in @ ( ordered_pair @ A @ B ) @ D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[494]) ).

thf(696,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[312]) ).

thf(697,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
           != A )
          | ( disjoint @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( ( set_difference @ A @ B )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[493]) ).

thf(698,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ B )
              | ~ ( in @ A @ ( relation_dom @ C ) )
              | ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
              | ( in @ A @ B ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
              | ( in @ A @ ( relation_dom @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[492]) ).

thf(699,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[491]) ).

thf(700,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ( B
               != ( apply @ C @ A ) )
              | ~ ( in @ A @ ( relation_dom @ C ) )
              | ( in @ ( ordered_pair @ A @ B ) @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( B
                = ( apply @ C @ A ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( function @ C )
              | ~ ( relation @ C )
              | ~ ( in @ ( ordered_pair @ A @ B ) @ C )
              | ( in @ A @ ( relation_dom @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[490]) ).

thf(701,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ B )
          | ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[489]) ).

thf(702,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( singleton @ A )
             != ( unordered_pair @ B @ C ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[488]) ).

thf(703,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_dom @ ( relation_dom_restriction @ B @ A ) )
            = ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[487]) ).

thf(704,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[486]) ).

thf(705,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[303]) ).

thf(706,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
           != ( unordered_pair @ B @ C ) )
          | ( B = C ) ) )
    = $true ),
    inference(copy,[status(thm)],[485]) ).

thf(707,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( function @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[484]) ).

thf(708,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[483]) ).

thf(709,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[299]) ).

thf(710,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[298]) ).

thf(711,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[297]) ).

thf(712,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( A = B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[482]) ).

thf(713,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ~ ( relation @ C )
                | ( ( ~ ( in @ ( sK34_D @ C @ B @ A ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( sK34_D @ C @ B @ A ) @ B )
                    | ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK34_D @ C @ B @ A ) @ ( sK35_SY473 @ C @ B @ A ) ) @ C ) ) )
                | ( C
                  = ( relation_dom_restriction @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ~ ( relation @ C )
                | ( C
                 != ( relation_dom_restriction @ A @ B ) )
                | ( ! [D: $i,E: $i] :
                      ( ~ ( in @ D @ B )
                      | ~ ( in @ ( ordered_pair @ D @ E ) @ A )
                      | ( in @ ( ordered_pair @ D @ E ) @ C ) )
                  & ! [D: $i] :
                      ( ! [E: $i] :
                          ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ D @ B ) )
                  & ! [D: $i,E: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[481]) ).

thf(714,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ! [C: $i] :
                ( ~ ( relation @ C )
                | ( ( ~ ( in @ ( sK33_SY472 @ C @ B @ A ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( sK33_SY472 @ C @ B @ A ) @ A )
                    | ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK32_D @ C @ B @ A ) @ ( sK33_SY472 @ C @ B @ A ) ) @ C ) ) )
                | ( C
                  = ( relation_rng_restriction @ A @ B ) ) )
            & ! [C: $i] :
                ( ~ ( relation @ C )
                | ( C
                 != ( relation_rng_restriction @ A @ B ) )
                | ( ! [D: $i,E: $i] :
                      ( ~ ( in @ E @ A )
                      | ~ ( in @ ( ordered_pair @ D @ E ) @ B )
                      | ( in @ ( ordered_pair @ D @ E ) @ C ) )
                  & ! [D: $i,E: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ E @ A ) )
                  & ! [D: $i,E: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                      | ( in @ ( ordered_pair @ D @ E ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[480]) ).

thf(715,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ( ( ! [SY470: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY470 @ ( sK30_D @ C @ B @ A ) ) @ A )
                        | ~ ( in @ SY470 @ B ) )
                    | ~ ( in @ ( sK30_D @ C @ B @ A ) @ C ) )
                  & ( ( ( in @ ( ordered_pair @ ( sK31_SY471 @ C @ B @ A ) @ ( sK30_D @ C @ B @ A ) ) @ A )
                      & ( in @ ( sK31_SY471 @ C @ B @ A ) @ B ) )
                    | ( in @ ( sK30_D @ C @ B @ A ) @ C ) ) )
                | ( C
                  = ( relation_image @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ( C
                 != ( relation_image @ A @ B ) )
                | ( ! [D: $i] :
                      ( ! [E: $i] :
                          ( ~ ( in @ ( ordered_pair @ E @ D ) @ A )
                          | ~ ( in @ E @ B ) )
                      | ( in @ D @ C ) )
                  & ! [D: $i] :
                      ( ~ ( in @ D @ C )
                      | ( ( in @ ( ordered_pair @ ( sK29_E @ D @ C @ B @ A ) @ D ) @ A )
                        & ( in @ ( sK29_E @ D @ C @ B @ A ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[479]) ).

thf(716,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ( ( ! [SY468: $i] :
                        ( ~ ( in @ ( ordered_pair @ ( sK27_D @ C @ B @ A ) @ SY468 ) @ A )
                        | ~ ( in @ SY468 @ B ) )
                    | ~ ( in @ ( sK27_D @ C @ B @ A ) @ C ) )
                  & ( ( ( in @ ( ordered_pair @ ( sK27_D @ C @ B @ A ) @ ( sK28_SY469 @ C @ B @ A ) ) @ A )
                      & ( in @ ( sK28_SY469 @ C @ B @ A ) @ B ) )
                    | ( in @ ( sK27_D @ C @ B @ A ) @ C ) ) )
                | ( C
                  = ( relation_inverse_image @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ( C
                 != ( relation_inverse_image @ A @ B ) )
                | ( ! [D: $i] :
                      ( ! [E: $i] :
                          ( ~ ( in @ ( ordered_pair @ D @ E ) @ A )
                          | ~ ( in @ E @ B ) )
                      | ( in @ D @ C ) )
                  & ! [D: $i] :
                      ( ~ ( in @ D @ C )
                      | ( ( in @ ( ordered_pair @ D @ ( sK26_E @ D @ C @ B @ A ) ) @ A )
                        & ( in @ ( sK26_E @ D @ C @ B @ A ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[478]) ).

thf(717,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( in @ ( ordered_pair @ ( sK24_C @ B @ A ) @ ( sK25_SY467 @ B @ A ) ) @ A )
                  & ~ ( in @ ( ordered_pair @ ( sK24_C @ B @ A ) @ ( sK25_SY467 @ B @ A ) ) @ B ) )
                | ( subset @ A @ B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ! [C: $i,D: $i] :
                    ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                    | ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[477]) ).

thf(718,plain,
    ( ( ! [A: $i] :
          ( ~ ( function @ A )
          | ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ( C
                     != ( apply @ A @ B ) )
                    | ( in @ ( ordered_pair @ B @ C ) @ A ) ) )
            & ! [B: $i] :
                ( ~ ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
                    | ( C
                      = ( apply @ A @ B ) ) ) )
            & ! [B: $i] :
                ( ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ( C
                     != ( apply @ A @ B ) )
                    | ( C = empty_set ) ) )
            & ! [B: $i] :
                ( ( in @ B @ ( relation_dom @ A ) )
                | ! [C: $i] :
                    ( ( C != empty_set )
                    | ( C
                      = ( apply @ A @ B ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[476]) ).

thf(719,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY465: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK22_C @ B @ A ) @ SY465 ) @ A )
                    | ~ ( in @ ( sK22_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK22_C @ B @ A ) @ ( sK23_SY466 @ B @ A ) ) @ A )
                    | ( in @ ( sK22_C @ B @ A ) @ B ) ) )
                | ( B
                  = ( relation_dom @ A ) ) )
            & ! [B: $i] :
                ( ( B
                 != ( relation_dom @ A ) )
                | ( ! [C: $i] :
                      ( ! [D: $i] :
                          ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ C @ B ) )
                  & ! [C: $i] :
                      ( ~ ( in @ C @ B )
                      | ( in @ ( ordered_pair @ C @ ( sK21_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[475]) ).

thf(720,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY463: $i] :
                        ~ ( in @ ( ordered_pair @ SY463 @ ( sK19_C @ B @ A ) ) @ A )
                    | ~ ( in @ ( sK19_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK20_SY464 @ B @ A ) @ ( sK19_C @ B @ A ) ) @ A )
                    | ( in @ ( sK19_C @ B @ A ) @ B ) ) )
                | ( B
                  = ( relation_rng @ A ) ) )
            & ! [B: $i] :
                ( ( B
                 != ( relation_rng @ A ) )
                | ( ! [C: $i] :
                      ( ! [D: $i] :
                          ~ ( in @ ( ordered_pair @ D @ C ) @ A )
                      | ( in @ C @ B ) )
                  & ! [C: $i] :
                      ( ~ ( in @ C @ B )
                      | ( in @ ( ordered_pair @ ( sK18_D @ C @ B @ A ) @ C ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[474]) ).

thf(721,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[473]) ).

thf(722,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[286]) ).

thf(723,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[472]) ).

thf(724,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK16_C @ B @ A ) @ ( sK17_SY462 @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ B @ A ) @ ( sK16_C @ B @ A ) ) @ A ) )
                  & ( ( in @ ( ordered_pair @ ( sK16_C @ B @ A ) @ ( sK17_SY462 @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK17_SY462 @ B @ A ) @ ( sK16_C @ B @ A ) ) @ A ) ) )
                | ( B
                  = ( relation_inverse @ A ) ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ( B
                 != ( relation_inverse @ A ) )
                | ( ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                      | ( in @ ( ordered_pair @ D @ C ) @ A ) )
                  & ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ D @ C ) @ A )
                      | ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[471]) ).

thf(725,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_intersection2 @ A @ B )
           != empty_set )
          | ( disjoint @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[470]) ).

thf(726,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( ( ! [SY460: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ SY460 ) @ A )
                            | ~ ( in @ ( ordered_pair @ SY460 @ ( sK14_SY457 @ C @ B @ A ) ) @ B ) )
                        | ~ ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ ( sK14_SY457 @ C @ B @ A ) ) @ C ) )
                      & ( ( ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ ( sK15_SY461 @ C @ B @ A ) ) @ A )
                          & ( in @ ( ordered_pair @ ( sK15_SY461 @ C @ B @ A ) @ ( sK14_SY457 @ C @ B @ A ) ) @ B ) )
                        | ( in @ ( ordered_pair @ ( sK13_D @ C @ B @ A ) @ ( sK14_SY457 @ C @ B @ A ) ) @ C ) ) )
                    | ( C
                      = ( relation_composition @ A @ B ) ) )
                & ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( C
                     != ( relation_composition @ A @ B ) )
                    | ( ! [D: $i,E: $i] :
                          ( ! [F: $i] :
                              ( ~ ( in @ ( ordered_pair @ D @ F ) @ A )
                              | ~ ( in @ ( ordered_pair @ F @ E ) @ B ) )
                          | ( in @ ( ordered_pair @ D @ E ) @ C ) )
                      & ! [D: $i,E: $i] :
                          ( ~ ( in @ ( ordered_pair @ D @ E ) @ C )
                          | ( ( in @ ( ordered_pair @ D @ ( sK12_F @ E @ D @ C @ B @ A ) ) @ A )
                            & ( in @ ( ordered_pair @ ( sK12_F @ E @ D @ C @ B @ A ) @ E ) @ B ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[469]) ).

thf(727,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( subset @ A @ B )
          | ( proper_subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( A != B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[468]) ).

thf(728,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[280]) ).

thf(729,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[467]) ).

thf(730,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[466]) ).

thf(731,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[465]) ).

thf(732,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[464]) ).

thf(733,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[463]) ).

thf(734,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[462]) ).

thf(735,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[461]) ).

thf(736,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[460]) ).

thf(737,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( relation @ ( relation_rng_restriction @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[459]) ).

thf(738,plain,
    ( ( ! [A: $i] : ( element @ ( sK11_B @ A ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[458]) ).

thf(739,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( empty @ ( relation_composition @ B @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[457]) ).

thf(740,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set )
      & ( relation_empty_yielding @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[268]) ).

thf(741,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( function @ A )
          | ~ ( relation @ A )
          | ~ ( relation @ B )
          | ~ ( function @ B )
          | ( function @ ( relation_composition @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( function @ A )
          | ~ ( relation @ A )
          | ~ ( relation @ B )
          | ~ ( function @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[456]) ).

thf(742,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[455]) ).

thf(743,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[265]) ).

thf(744,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[264]) ).

thf(745,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[263]) ).

thf(746,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[454]) ).

thf(747,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[261]) ).

thf(748,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[453]) ).

thf(749,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[259]) ).

thf(750,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[452]) ).

thf(751,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[257]) ).

thf(752,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( empty @ A )
          | ( empty @ B )
          | ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[451]) ).

thf(753,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[450]) ).

thf(754,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[449]) ).

thf(755,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[448]) ).

thf(756,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_rng @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[447]) ).

thf(757,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( empty @ ( relation_composition @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[446]) ).

thf(758,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[445]) ).

thf(759,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[444]) ).

thf(760,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[443]) ).

thf(761,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[442]) ).

thf(762,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[441]) ).

thf(763,plain,
    ( ( ( function @ sK10_A )
      & ( relation @ sK10_A ) )
    = $true ),
    inference(copy,[status(thm)],[440]) ).

thf(764,plain,
    ( ( ( empty @ sK9_A )
      & ( relation @ sK9_A ) )
    = $true ),
    inference(copy,[status(thm)],[439]) ).

thf(765,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK8_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK8_B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[438]) ).

thf(766,plain,
    ( ( empty @ sK7_A )
    = $true ),
    inference(copy,[status(thm)],[437]) ).

thf(767,plain,
    ( ( ~ ( empty @ sK6_A )
      & ( relation @ sK6_A ) )
    = $true ),
    inference(copy,[status(thm)],[436]) ).

thf(768,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK5_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK5_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[435]) ).

thf(769,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(copy,[status(thm)],[434]) ).

thf(770,plain,
    ( ( ( relation @ sK3_A )
      & ( relation_empty_yielding @ sK3_A ) )
    = $true ),
    inference(copy,[status(thm)],[433]) ).

thf(771,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[432]) ).

thf(772,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[431]) ).

thf(773,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[430]) ).

thf(774,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[429]) ).

thf(775,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[428]) ).

thf(776,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[232]) ).

thf(777,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[231]) ).

thf(778,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[230]) ).

thf(779,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ ( powerset @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[427]) ).

thf(780,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[228]) ).

thf(781,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[426]) ).

thf(782,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[425]) ).

thf(783,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[424]) ).

thf(784,plain,
    ( ( in @ sK2_SY456 @ sK1_A )
    = $true ),
    inference(copy,[status(thm)],[421]) ).

thf(785,plain,
    ( ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY456 )
       != sK2_SY456 ) )
    = $true ),
    inference(copy,[status(thm)],[423]) ).

thf(786,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ( in @ ( sK49_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK49_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK49_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK49_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ( in @ ( sK49_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK49_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) ) )
                  | ( SX2
                    = ( set_intersection2 @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_intersection2 @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX0 )
                            | ~ ( in @ SX3 @ SX1 )
                            | ( in @ SX3 @ SX2 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX0 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[620]) ).

thf(787,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ! [SX2: $i] :
                            ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX2 )
                            | ~ ( in @ SX2 @ SX0 ) )
                        | ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ~ ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ ( sK48_SY487 @ SX1 @ SX0 ) )
                            | ~ ( in @ ( sK48_SY487 @ SX1 @ SX0 ) @ SX0 ) )
                        | ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( union @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( union @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ! [SX3: $i] :
                              ( ~ ( in @ SX2 @ SX3 )
                              | ~ ( in @ SX3 @ SX0 ) )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ~ ( ~ ( in @ SX2 @ ( sK46_D @ SX2 @ SX1 @ SX0 ) )
                              | ~ ( in @ ( sK46_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[621]) ).

thf(788,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ~ ( ~ ! [SX2: $i] :
                    ( ~ ( relation @ SX2 )
                    | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ( in @ ( ordered_pair @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ ( sK33_SY472 @ SX2 @ SX1 @ SX0 ) ) @ SX1 )
                            | ~ ( in @ ( ordered_pair @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ ( sK33_SY472 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                  | ( in @ ( ordered_pair @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ ( sK33_SY472 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ ( sK33_SY472 @ SX2 @ SX1 @ SX0 ) ) @ SX1 )
                                  | ( in @ ( ordered_pair @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ ( sK33_SY472 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) ) ) )
                    | ( SX2
                      = ( relation_rng_restriction @ SX0 @ SX1 ) ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( relation @ SX2 )
                    | ( SX2
                     != ( relation_rng_restriction @ SX0 @ SX1 ) )
                    | ~ ( ~ ! [SX3: $i,SX4: $i] :
                              ( ~ ( in @ SX4 @ SX0 )
                              | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX1 )
                              | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) )
                        | ~ ~ ( ~ ! [SX3: $i,SX4: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                    | ( in @ SX4 @ SX0 ) )
                              | ~ ! [SX3: $i,SX4: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                    | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[714]) ).

thf(789,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( empty @ SX0 )
                | ~ ( relation @ SX1 )
                | ( empty @ ( relation_composition @ SX1 @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( empty @ SX0 )
                | ~ ( relation @ SX1 )
                | ( relation @ ( relation_composition @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[739]) ).

thf(790,plain,
    ( ( ~ ( ~ ( relation @ sK3_A )
          | ~ ( relation_empty_yielding @ sK3_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[770]) ).

thf(791,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( in @ SX0 @ SX2 )
                  | ~ ( in @ SX1 @ SX3 )
                  | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) ) )
            | ~ ~ ( ~ ! [SX2: $i] :
                        ( ! [SX3: $i] :
                            ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) )
                        | ( in @ SX0 @ SX2 ) )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) )
                        | ( in @ SX1 @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[598]) ).

thf(792,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ~ ( ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ~ ( in @ SX2 @ SX1 ) )
                | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[601]) ).

thf(793,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ( ( sK62_C @ SX1 @ SX0 )
                         != SX0 )
                        | ~ ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( ( sK62_C @ SX1 @ SX0 )
                          = SX0 )
                        | ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( singleton @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( singleton @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ( SX2 != SX0 )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ( SX2 = SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[611]) ).

thf(794,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( in @ ( sK61_B @ SX0 ) @ SX0 )
                | ( SX0 = empty_set ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[612]) ).

thf(795,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX1 @ ( sK42_B @ SX0 ) )
                  | ( are_equipotent @ SX1 @ ( sK42_B @ SX0 ) )
                  | ( in @ SX1 @ ( sK42_B @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ~ ! [SX2: $i] :
                                  ( ~ ( subset @ SX2 @ SX1 )
                                  | ( in @ SX2 @ ( sK43_SY481 @ SX1 @ SX0 ) ) )
                            | ~ ( in @ ( sK43_SY481 @ SX1 @ SX0 ) @ ( sK42_B @ SX0 ) ) )
                        | ~ ( in @ SX1 @ ( sK42_B @ SX0 ) ) )
                  | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                              ( ~ ( in @ SX1 @ ( sK42_B @ SX0 ) )
                              | ~ ( subset @ SX2 @ SX1 )
                              | ( in @ SX2 @ ( sK42_B @ SX0 ) ) )
                        | ~ ( in @ SX0 @ ( sK42_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[630]) ).

thf(796,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
                | ( SX0 = empty_set )
                | ( SX0
                  = ( singleton @ SX1 ) ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 != empty_set )
                      | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0
                       != ( singleton @ SX1 ) )
                      | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[674]) ).

thf(797,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( function @ SX0 )
          | ~ ( relation @ SX0 )
          | ~ ( ~ ~ ( ~ ! [SX1: $i] :
                          ( ~ ( in @ SX1 @ ( relation_dom @ SX0 ) )
                          | ! [SX2: $i] :
                              ( ( SX2
                               != ( apply @ SX0 @ SX1 ) )
                              | ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 ) ) )
                    | ~ ! [SX1: $i] :
                          ( ~ ( in @ SX1 @ ( relation_dom @ SX0 ) )
                          | ! [SX2: $i] :
                              ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                              | ( SX2
                                = ( apply @ SX0 @ SX1 ) ) ) ) )
              | ~ ~ ( ~ ! [SX1: $i] :
                          ( ( in @ SX1 @ ( relation_dom @ SX0 ) )
                          | ! [SX2: $i] :
                              ( ( SX2
                               != ( apply @ SX0 @ SX1 ) )
                              | ( SX2 = empty_set ) ) )
                    | ~ ! [SX1: $i] :
                          ( ( in @ SX1 @ ( relation_dom @ SX0 ) )
                          | ! [SX2: $i] :
                              ( ( SX2 != empty_set )
                              | ( SX2
                                = ( apply @ SX0 @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[718]) ).

thf(798,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ! [SX3: $i,SX4: $i] :
                              ( ~ ( in @ SX3 @ SX0 )
                              | ~ ( in @ SX4 @ SX1 )
                              | ( ( sK53_D @ SX2 @ SX1 @ SX0 )
                               != ( ordered_pair @ SX3 @ SX4 ) ) )
                          | ~ ( in @ ( sK53_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ( in @ ( sK55_SY493 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                              | ( ( sK53_D @ SX2 @ SX1 @ SX0 )
                               != ( ordered_pair @ ( sK54_SY491 @ SX2 @ SX1 @ SX0 ) @ ( sK55_SY493 @ SX2 @ SX1 @ SX0 ) ) ) )
                          | ( in @ ( sK53_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) )
                  | ( SX2
                    = ( cartesian_product2 @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( cartesian_product2 @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ! [SX4: $i,SX5: $i] :
                                ( ~ ( in @ SX4 @ SX0 )
                                | ~ ( in @ SX5 @ SX1 )
                                | ( SX3
                                 != ( ordered_pair @ SX4 @ SX5 ) ) )
                            | ( in @ SX3 @ SX2 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX2 )
                            | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                      | ~ ( in @ ( sK52_SY488 @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                                | ( SX3
                                 != ( ordered_pair @ ( sK51_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ ( sK52_SY488 @ SX3 @ SX2 @ SX1 @ SX0 ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[618]) ).

thf(799,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( set_difference @ SX0 @ SX1 )
                 != empty_set )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ( ( set_difference @ SX0 @ SX1 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[632]) ).

thf(800,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ( ( relation_dom @ SX0 )
                 != empty_set )
                | ( ( relation_rng @ SX0 )
                  = empty_set ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ( ( relation_rng @ SX0 )
                 != empty_set )
                | ( ( relation_dom @ SX0 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[692]) ).

thf(801,plain,
    ( ( ~ ( ~ ( function @ sK10_A )
          | ~ ( relation @ sK10_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[763]) ).

thf(802,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( function @ SX2 )
                  | ~ ( relation @ SX2 )
                  | ( SX1
                   != ( apply @ SX2 @ SX0 ) )
                  | ~ ( in @ SX0 @ ( relation_dom @ SX2 ) )
                  | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( function @ SX2 )
                        | ~ ( relation @ SX2 )
                        | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 )
                        | ( SX1
                          = ( apply @ SX2 @ SX0 ) ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( function @ SX2 )
                        | ~ ( relation @ SX2 )
                        | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 )
                        | ( in @ SX0 @ ( relation_dom @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[700]) ).

thf(803,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[751]) ).

thf(804,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( relation @ SX1 )
                | ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                         != ( sK70_SY500 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
                    | ~ ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                                = ( sK70_SY500 @ SX1 @ SX0 ) )
                              | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
                          | ~ ( ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                              | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) ) ) )
                | ( SX1
                  = ( identity_relation @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( relation @ SX1 )
                | ( SX1
                 != ( identity_relation @ SX0 ) )
                | ~ ( ~ ! [SX2: $i,SX3: $i] :
                          ( ( SX2 != SX3 )
                          | ~ ( in @ SX2 @ SX0 )
                          | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                    | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                                ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                                | ( SX2 = SX3 ) )
                          | ~ ! [SX2: $i] :
                                ( ! [SX3: $i] :
                                    ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                                | ( in @ SX2 @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[608]) ).

thf(805,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( element @ ( sK5_B @ SX0 ) @ ( powerset @ SX0 ) )
            | ~ ( empty @ ( sK5_B @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[768]) ).

thf(806,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( relation @ SX1 )
              | ~ ( ~ ! [SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( ~ ( ! [SX3: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SX2 @ SX1 @ SX0 ) @ SX3 ) @ SX0 )
                                    | ~ ( in @ ( ordered_pair @ SX3 @ ( sK14_SY457 @ SX2 @ SX1 @ SX0 ) ) @ SX1 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK13_D @ SX2 @ SX1 @ SX0 ) @ ( sK14_SY457 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SX2 @ SX1 @ SX0 ) @ ( sK15_SY461 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                    | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SX2 @ SX1 @ SX0 ) @ ( sK14_SY457 @ SX2 @ SX1 @ SX0 ) ) @ SX1 ) )
                                | ( in @ ( ordered_pair @ ( sK13_D @ SX2 @ SX1 @ SX0 ) @ ( sK14_SY457 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) ) )
                        | ( SX2
                          = ( relation_composition @ SX0 @ SX1 ) ) )
                  | ~ ! [SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ( SX2
                         != ( relation_composition @ SX0 @ SX1 ) )
                        | ~ ( ~ ! [SX3: $i,SX4: $i] :
                                  ( ! [SX5: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SX3 @ SX5 ) @ SX0 )
                                      | ~ ( in @ ( ordered_pair @ SX5 @ SX4 ) @ SX1 ) )
                                  | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) )
                            | ~ ! [SX3: $i,SX4: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                  | ~ ( ~ ( in @ ( ordered_pair @ SX3 @ ( sK12_F @ SX4 @ SX3 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                      | ~ ( in @ ( ordered_pair @ ( sK12_F @ SX4 @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX4 ) @ SX1 ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[726]) ).

thf(807,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ~ ( element @ SX2 @ ( powerset @ SX0 ) )
                    | ~ ( disjoint @ SX1 @ SX2 )
                    | ( subset @ SX1 @ ( subset_complement @ SX0 @ SX2 ) ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( element @ SX2 @ ( powerset @ SX0 ) )
                    | ~ ( subset @ SX1 @ ( subset_complement @ SX0 @ SX2 ) )
                    | ( disjoint @ SX1 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[677]) ).

thf(808,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ SX0 @ SX1 )
                  | ~ ( in @ SX0 @ ( relation_rng @ SX2 ) )
                  | ( in @ SX0 @ ( relation_rng @ ( relation_rng_restriction @ SX1 @ SX2 ) ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( in @ SX0 @ ( relation_rng @ ( relation_rng_restriction @ SX1 @ SX2 ) ) )
                        | ( in @ SX0 @ SX1 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( in @ SX0 @ ( relation_rng @ ( relation_rng_restriction @ SX1 @ SX2 ) ) )
                        | ( in @ SX0 @ ( relation_rng @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[636]) ).

thf(809,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ~ ( relation @ SX2 )
                    | ~ ( ~ ( ~ ( in @ ( sK34_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                            | ~ ( in @ ( ordered_pair @ ( sK34_D @ SX2 @ SX1 @ SX0 ) @ ( sK35_SY473 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( ordered_pair @ ( sK34_D @ SX2 @ SX1 @ SX0 ) @ ( sK35_SY473 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK34_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                  | ( in @ ( ordered_pair @ ( sK34_D @ SX2 @ SX1 @ SX0 ) @ ( sK35_SY473 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SX2 @ SX1 @ SX0 ) @ ( sK35_SY473 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                  | ( in @ ( ordered_pair @ ( sK34_D @ SX2 @ SX1 @ SX0 ) @ ( sK35_SY473 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) ) ) )
                    | ( SX2
                      = ( relation_dom_restriction @ SX0 @ SX1 ) ) )
              | ~ ! [SX1: $i,SX2: $i] :
                    ( ~ ( relation @ SX2 )
                    | ( SX2
                     != ( relation_dom_restriction @ SX0 @ SX1 ) )
                    | ~ ( ~ ! [SX3: $i,SX4: $i] :
                              ( ~ ( in @ SX3 @ SX1 )
                              | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 )
                              | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) )
                        | ~ ~ ( ~ ! [SX3: $i] :
                                    ( ! [SX4: $i] :
                                        ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                    | ( in @ SX3 @ SX1 ) )
                              | ~ ! [SX3: $i,SX4: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                    | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[713]) ).

thf(810,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SX1 @ SX0 ) @ ( sK17_SY462 @ SX1 @ SX0 ) ) @ SX1 )
                            | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SX1 @ SX0 ) @ ( sK16_C @ SX1 @ SX0 ) ) @ SX0 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SX1 @ SX0 ) @ ( sK17_SY462 @ SX1 @ SX0 ) ) @ SX1 )
                            | ( in @ ( ordered_pair @ ( sK17_SY462 @ SX1 @ SX0 ) @ ( sK16_C @ SX1 @ SX0 ) ) @ SX0 ) ) )
                    | ( SX1
                      = ( relation_inverse @ SX0 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ( SX1
                     != ( relation_inverse @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i,SX3: $i] :
                              ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                              | ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 ) )
                        | ~ ! [SX2: $i,SX3: $i] :
                              ( ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 )
                              | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[724]) ).

thf(811,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ( element @ SX0 @ ( powerset @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[779]) ).

thf(812,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( in @ SX0 @ SX1 )
                | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
                | ( in @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[599]) ).

thf(813,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( set_intersection2 @ SX0 @ SX1 )
                 != empty_set )
                | ( disjoint @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( disjoint @ SX0 @ SX1 )
                | ( ( set_intersection2 @ SX0 @ SX1 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[725]) ).

thf(814,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( function @ SX1 )
                | ~ ( relation @ SX1 )
                | ~ ( ~ ( in @ ( sK38_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( ( ( apply @ SX1 @ ( sK38_C @ SX1 @ SX0 ) )
                         != ( sK38_C @ SX1 @ SX0 ) ) ) )
                | ( ( relation_dom @ SX1 )
                 != SX0 )
                | ( SX1
                  = ( identity_relation @ SX0 ) ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( function @ SX1 )
                      | ~ ( relation @ SX1 )
                      | ( SX1
                       != ( identity_relation @ SX0 ) )
                      | ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX0 )
                          | ( ( apply @ SX1 @ SX2 )
                            = SX2 ) ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( function @ SX1 )
                      | ~ ( relation @ SX1 )
                      | ( SX1
                       != ( identity_relation @ SX0 ) )
                      | ( ( relation_dom @ SX1 )
                        = SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[669]) ).

thf(815,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( set_difference @ SX0 @ SX1 )
                 != empty_set )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ( ( set_difference @ SX0 @ SX1 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[672]) ).

thf(816,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[712]) ).

thf(817,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ~ ( ~ ( ! [SX3: $i] :
                                ( ~ ( in @ ( ordered_pair @ SX3 @ ( sK30_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) )
                            | ~ ( in @ ( sK30_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SX2 @ SX1 @ SX0 ) @ ( sK30_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                | ~ ( in @ ( sK31_SY471 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                            | ( in @ ( sK30_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) )
                    | ( SX2
                      = ( relation_image @ SX0 @ SX1 ) ) )
              | ~ ! [SX1: $i,SX2: $i] :
                    ( ( SX2
                     != ( relation_image @ SX0 @ SX1 ) )
                    | ~ ( ~ ! [SX3: $i] :
                              ( ! [SX4: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SX4 @ SX3 ) @ SX0 )
                                  | ~ ( in @ SX4 @ SX1 ) )
                              | ( in @ SX3 @ SX2 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SX2 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX3 ) @ SX0 )
                                  | ~ ( in @ ( sK29_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[715]) ).

thf(818,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 )
                  | ( in @ SX0 @ ( relation_field @ SX2 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 )
                  | ( in @ SX1 @ ( relation_field @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[666]) ).

thf(819,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( relation @ SX3 )
                  | ~ ( in @ SX0 @ SX2 )
                  | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX3 )
                  | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( relation_composition @ ( identity_relation @ SX2 ) @ SX3 ) ) )
            | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( relation @ SX3 )
                        | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( relation_composition @ ( identity_relation @ SX2 ) @ SX3 ) )
                        | ( in @ SX0 @ SX2 ) )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( relation @ SX3 )
                        | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( relation_composition @ ( identity_relation @ SX2 ) @ SX3 ) )
                        | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[695]) ).

thf(820,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( in @ SX0 @ SX1 )
                | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
                | ( in @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[593]) ).

thf(821,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( in @ SX0 @ SX2 )
                  | ~ ( in @ SX1 @ SX2 )
                  | ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 )
                        | ( in @ SX0 @ SX2 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 )
                        | ( in @ SX1 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[600]) ).

thf(822,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ( empty @ SX0 )
                      | ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ SX0 )
                          | ( in @ SX1 @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ( empty @ SX0 )
                      | ! [SX1: $i] :
                          ( ~ ( in @ SX1 @ SX0 )
                          | ( element @ SX1 @ SX0 ) ) ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ SX0 )
                          | ( empty @ SX1 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ! [SX1: $i] :
                          ( ~ ( empty @ SX1 )
                          | ( element @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[615]) ).

thf(823,plain,
    ( ( ~ ( ~ ( empty @ sK9_A )
          | ~ ( relation @ sK9_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[764]) ).

thf(824,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ SX2 @ ( sK19_C @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( sK19_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SX1 @ SX0 ) @ ( sK19_C @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK19_C @ SX1 @ SX0 ) @ SX1 ) ) )
                    | ( SX1
                      = ( relation_rng @ SX0 ) ) )
              | ~ ! [SX1: $i] :
                    ( ( SX1
                     != ( relation_rng @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ( ! [SX3: $i] :
                                  ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 )
                              | ( in @ SX2 @ SX1 ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX1 )
                              | ( in @ ( ordered_pair @ ( sK18_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[720]) ).

thf(825,plain,
    ( ( ~ ( ~ ~ ( ~ ( empty @ empty_set )
                | ~ ( relation @ empty_set ) )
          | ~ ( relation_empty_yielding @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[740]) ).

thf(826,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
                 != SX0 )
                | ~ ( in @ SX1 @ SX0 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( in @ SX1 @ SX0 )
                | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
                  = SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[604]) ).

thf(827,plain,
    ( ( ~ ( ~ ! [SX0: $i] : ( function @ ( identity_relation @ SX0 ) )
          | ~ ! [SX0: $i] : ( relation @ ( identity_relation @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[624]) ).

thf(828,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ( in @ ( sK71_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
                | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[603]) ).

thf(829,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK73_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK73_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[597]) ).

thf(830,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ~ ( ~ ( ! [SX3: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SX2 @ SX1 @ SX0 ) @ SX3 ) @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) )
                            | ~ ( in @ ( sK27_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SX2 @ SX1 @ SX0 ) @ ( sK28_SY469 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                | ~ ( in @ ( sK28_SY469 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                            | ( in @ ( sK27_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) )
                    | ( SX2
                      = ( relation_inverse_image @ SX0 @ SX1 ) ) )
              | ~ ! [SX1: $i,SX2: $i] :
                    ( ( SX2
                     != ( relation_inverse_image @ SX0 @ SX1 ) )
                    | ~ ( ~ ! [SX3: $i] :
                              ( ! [SX4: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 )
                                  | ~ ( in @ SX4 @ SX1 ) )
                              | ( in @ SX3 @ SX2 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SX2 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SX3 @ ( sK26_E @ SX3 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                  | ~ ( in @ ( sK26_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[716]) ).

thf(831,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( set_difference @ SX0 @ SX1 )
                 != SX0 )
                | ( disjoint @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( disjoint @ SX0 @ SX1 )
                | ( ( set_difference @ SX0 @ SX1 )
                  = SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[697]) ).

thf(832,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                          ( ( sK68_B @ SX0 )
                         != ( ordered_pair @ SX1 @ SX2 ) )
                    | ~ ( in @ ( sK68_B @ SX0 ) @ SX0 ) )
                | ( relation @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ! [SX1: $i] :
                    ( ( SX1
                      = ( ordered_pair @ ( sK66_C @ SX1 @ SX0 ) @ ( sK67_SY497 @ SX1 @ SX0 ) ) )
                    | ~ ( in @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[609]) ).

thf(833,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ SX0 @ SX1 )
                  | ~ ( in @ SX0 @ ( relation_dom @ SX2 ) )
                  | ( in @ SX0 @ ( relation_dom @ ( relation_dom_restriction @ SX2 @ SX1 ) ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( in @ SX0 @ ( relation_dom @ ( relation_dom_restriction @ SX2 @ SX1 ) ) )
                        | ( in @ SX0 @ SX1 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( in @ SX0 @ ( relation_dom @ ( relation_dom_restriction @ SX2 @ SX1 ) ) )
                        | ( in @ SX0 @ ( relation_dom @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[698]) ).

thf(834,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 )
                  | ( in @ SX0 @ ( relation_dom @ SX2 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 )
                  | ( in @ SX1 @ ( relation_rng @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[657]) ).

thf(835,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK22_C @ SX1 @ SX0 ) @ SX2 ) @ SX0 )
                            | ~ ( in @ ( sK22_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SX1 @ SX0 ) @ ( sK23_SY466 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK22_C @ SX1 @ SX0 ) @ SX1 ) ) )
                    | ( SX1
                      = ( relation_dom @ SX0 ) ) )
              | ~ ! [SX1: $i] :
                    ( ( SX1
                     != ( relation_dom @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ( ! [SX3: $i] :
                                  ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                              | ( in @ SX2 @ SX1 ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX1 )
                              | ( in @ ( ordered_pair @ SX2 @ ( sK21_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[719]) ).

thf(836,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK57_D @ SX2 @ SX1 @ SX0 )
                                 != SX0 ) )
                            | ~ ( ~ ( in @ ( sK57_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK57_D @ SX2 @ SX1 @ SX0 )
                                 != SX1 ) ) )
                      | ~ ( ( in @ ( sK57_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( ( sK57_D @ SX2 @ SX1 @ SX0 )
                            = SX0 )
                          | ( ( sK57_D @ SX2 @ SX1 @ SX0 )
                            = SX1 ) ) )
                  | ( SX2
                    = ( unordered_pair @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( unordered_pair @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX2 )
                            | ( SX3 = SX0 )
                            | ( SX3 = SX1 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ( SX3 != SX0 )
                                  | ( in @ SX3 @ SX2 ) )
                            | ~ ! [SX3: $i] :
                                  ( ( SX3 != SX1 )
                                  | ( in @ SX3 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[616]) ).

thf(837,plain,
    ( ( ~ ( ( ( relation_dom @ empty_set )
           != empty_set )
          | ( ( relation_rng @ empty_set )
           != empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[688]) ).

thf(838,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SX1 @ SX0 ) @ ( sK59_SY494 @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( ordered_pair @ ( sK58_C @ SX1 @ SX0 ) @ ( sK59_SY494 @ SX1 @ SX0 ) ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SX1 @ SX0 ) @ ( sK59_SY494 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( ordered_pair @ ( sK58_C @ SX1 @ SX0 ) @ ( sK59_SY494 @ SX1 @ SX0 ) ) @ SX1 ) ) )
                    | ( SX0 = SX1 ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ( SX0 != SX1 )
                    | ~ ( ~ ! [SX2: $i,SX3: $i] :
                              ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                              | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                        | ~ ! [SX2: $i,SX3: $i] :
                              ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                              | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[614]) ).

thf(839,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( function @ SX0 )
                | ~ ( relation @ SX0 )
                | ~ ( relation @ SX1 )
                | ~ ( function @ SX1 )
                | ( function @ ( relation_composition @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( function @ SX0 )
                | ~ ( relation @ SX0 )
                | ~ ( relation @ SX1 )
                | ~ ( function @ SX1 )
                | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[741]) ).

thf(840,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( function @ SX1 )
          | ~ ( relation @ SX1 )
          | ~ ( ~ ! [SX2: $i] :
                    ( ~ ( function @ SX2 )
                    | ~ ( relation @ SX2 )
                    | ~ ( in @ SX0 @ ( relation_dom @ SX2 ) )
                    | ~ ( in @ ( apply @ SX2 @ SX0 ) @ ( relation_dom @ SX1 ) )
                    | ( in @ SX0 @ ( relation_dom @ ( relation_composition @ SX2 @ SX1 ) ) ) )
              | ~ ~ ( ~ ! [SX2: $i] :
                          ( ~ ( function @ SX2 )
                          | ~ ( relation @ SX2 )
                          | ~ ( in @ SX0 @ ( relation_dom @ ( relation_composition @ SX2 @ SX1 ) ) )
                          | ( in @ SX0 @ ( relation_dom @ SX2 ) ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( function @ SX2 )
                          | ~ ( relation @ SX2 )
                          | ~ ( in @ SX0 @ ( relation_dom @ ( relation_composition @ SX2 @ SX1 ) ) )
                          | ( in @ ( apply @ SX2 @ SX0 ) @ ( relation_dom @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[658]) ).

thf(841,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX1 @ ( sK41_B @ SX0 ) )
                  | ( are_equipotent @ SX1 @ ( sK41_B @ SX0 ) )
                  | ( in @ SX1 @ ( sK41_B @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( in @ SX1 @ ( sK41_B @ SX0 ) )
                        | ( in @ ( powerset @ SX1 ) @ ( sK41_B @ SX0 ) ) )
                  | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                              ( ~ ( in @ SX1 @ ( sK41_B @ SX0 ) )
                              | ~ ( subset @ SX2 @ SX1 )
                              | ( in @ SX2 @ ( sK41_B @ SX0 ) ) )
                        | ~ ( in @ SX0 @ ( sK41_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[644]) ).

thf(842,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SX1 @ SX0 ) @ ( sK25_SY467 @ SX1 @ SX0 ) ) @ SX0 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SX1 @ SX0 ) @ ( sK25_SY467 @ SX1 @ SX0 ) ) @ SX1 ) )
                    | ( subset @ SX0 @ SX1 ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( subset @ SX0 @ SX1 )
                    | ! [SX2: $i,SX3: $i] :
                        ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                        | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[717]) ).

thf(843,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                        | ~ ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) )
                    | ~ ( ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                        | ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) ) )
                | ( SX1
                  = ( powerset @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( powerset @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ( subset @ SX2 @ SX0 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( subset @ SX2 @ SX0 )
                          | ( in @ SX2 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[613]) ).

thf(844,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( empty @ SX0 )
                | ~ ( relation @ SX1 )
                | ( empty @ ( relation_composition @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( empty @ SX0 )
                | ~ ( relation @ SX1 )
                | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[757]) ).

thf(845,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( subset @ SX0 @ SX1 )
                    | ( subset @ ( relation_dom @ SX0 ) @ ( relation_dom @ SX1 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( subset @ SX0 @ SX1 )
                    | ( subset @ ( relation_rng @ SX0 ) @ ( relation_rng @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[662]) ).

thf(846,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ~ ( ~ ( element @ ( sK8_B @ SX0 ) @ ( powerset @ SX0 ) )
              | ~ ~ ( empty @ ( sK8_B @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[765]) ).

thf(847,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ! [SX3: $i] :
                      ( ~ ( in @ SX3 @ ( relation_rng @ SX2 ) )
                      | ~ ( in @ ( ordered_pair @ SX0 @ SX3 ) @ SX2 )
                      | ~ ( in @ SX3 @ SX1 ) )
                  | ( in @ SX0 @ ( relation_inverse_image @ SX2 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ SX0 @ ( relation_inverse_image @ SX2 @ SX1 ) )
                  | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SX2 @ SX1 @ SX0 ) @ ( relation_rng @ SX2 ) )
                            | ~ ( in @ ( ordered_pair @ SX0 @ ( sK39_D @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                      | ~ ( in @ ( sK39_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[649]) ).

thf(848,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 = empty_set )
                      | ! [SX1: $i] :
                          ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SX1 @ SX0 ) @ SX0 )
                                      | ~ ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ ( sK65_SY495 @ SX1 @ SX0 ) ) )
                                  | ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) )
                              | ~ ( ! [SX2: $i] :
                                      ( ~ ( in @ SX2 @ SX0 )
                                      | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX2 ) )
                                  | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) ) )
                          | ( SX1
                            = ( set_meet @ SX0 ) ) ) )
                | ~ ! [SX0: $i] :
                      ( ( SX0 = empty_set )
                      | ! [SX1: $i] :
                          ( ( SX1
                           != ( set_meet @ SX0 ) )
                          | ~ ( ~ ! [SX2: $i] :
                                    ( ~ ( ~ ( in @ ( sK63_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                        | ~ ~ ( in @ SX2 @ ( sK63_D @ SX2 @ SX1 @ SX0 ) ) )
                                    | ( in @ SX2 @ SX1 ) )
                              | ~ ! [SX2: $i] :
                                    ( ~ ( in @ SX2 @ SX1 )
                                    | ! [SX3: $i] :
                                        ( ~ ( in @ SX3 @ SX0 )
                                        | ( in @ SX2 @ SX3 ) ) ) ) ) ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 != empty_set )
                      | ! [SX1: $i] :
                          ( ( SX1
                           != ( set_meet @ SX0 ) )
                          | ( SX1 = empty_set ) ) )
                | ~ ! [SX0: $i] :
                      ( ( SX0 != empty_set )
                      | ! [SX1: $i] :
                          ( ( SX1 != empty_set )
                          | ( SX1
                            = ( set_meet @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[610]) ).

thf(849,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ( ( relation_rng @ SX0 )
                  = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ( ( relation_dom @ SX0 )
                  = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[671]) ).

thf(850,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( relation_dom @ ( identity_relation @ SX0 ) )
                = SX0 )
          | ~ ! [SX0: $i] :
                ( ( relation_rng @ ( identity_relation @ SX0 ) )
                = SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[605]) ).

thf(851,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 = SX1 )
                | ~ ( subset @ SX0 @ SX1 )
                | ( proper_subset @ SX0 @ SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( proper_subset @ SX0 @ SX1 )
                      | ( SX0 != SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( proper_subset @ SX0 @ SX1 )
                      | ( subset @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[727]) ).

thf(852,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( in @ SX0 @ SX2 )
                  | ~ ( in @ SX1 @ SX3 )
                  | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) ) )
            | ~ ~ ( ~ ! [SX2: $i] :
                        ( ! [SX3: $i] :
                            ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) )
                        | ( in @ SX0 @ SX2 ) )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) )
                        | ( in @ SX1 @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[596]) ).

thf(853,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK56_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) )
                            | ~ ( ~ ( in @ ( sK56_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK56_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ~ ( ( in @ ( sK56_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( in @ ( sK56_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK56_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                  | ( SX2
                    = ( set_union2 @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_union2 @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX2 )
                            | ( in @ SX3 @ SX0 )
                            | ( in @ SX3 @ SX1 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX0 )
                                  | ( in @ SX3 @ SX2 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX1 )
                                  | ( in @ SX3 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[617]) ).

thf(854,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_dom @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_dom @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[755]) ).

thf(855,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ! [SX3: $i] :
                      ( ~ ( in @ SX3 @ ( relation_dom @ SX2 ) )
                      | ~ ( in @ ( ordered_pair @ SX3 @ SX0 ) @ SX2 )
                      | ~ ( in @ SX3 @ SX1 ) )
                  | ( in @ SX0 @ ( relation_image @ SX2 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ SX0 @ ( relation_image @ SX2 @ SX1 ) )
                  | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SX2 @ SX1 @ SX0 ) @ ( relation_dom @ SX2 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK40_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) @ SX2 ) )
                      | ~ ( in @ ( sK40_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[645]) ).

thf(856,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX0 @ SX1 )
                  | ! [SX2: $i] : ( subset @ ( cartesian_product2 @ SX0 @ SX2 ) @ ( cartesian_product2 @ SX1 @ SX2 ) ) )
            | ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX0 @ SX1 )
                  | ! [SX2: $i] : ( subset @ ( cartesian_product2 @ SX2 @ SX0 ) @ ( cartesian_product2 @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[640]) ).

thf(857,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX0 )
                  | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[627]) ).

thf(858,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
                | ( SX0 = empty_set )
                | ( SX0
                  = ( singleton @ SX1 ) ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 != empty_set )
                      | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0
                       != ( singleton @ SX1 ) )
                      | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[634]) ).

thf(859,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i] :
                  ( ! [SX3: $i] :
                      ( ( ordered_pair @ SX0 @ SX1 )
                     != ( ordered_pair @ SX2 @ SX3 ) )
                  | ( SX0 = SX2 ) )
            | ~ ! [SX2: $i,SX3: $i] :
                  ( ( ( ordered_pair @ SX0 @ SX1 )
                   != ( ordered_pair @ SX2 @ SX3 ) )
                  | ( SX1 = SX3 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[668]) ).

thf(860,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[619]) ).

thf(861,plain,
    ( ( ~ ( ~ ~ ( empty @ sK6_A )
          | ~ ( relation @ sK6_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[767]) ).

thf(862,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ( ( relation_dom @ SX0 )
                 != empty_set )
                | ( SX0 = empty_set ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ( ( relation_rng @ SX0 )
                 != empty_set )
                | ( SX0 = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[691]) ).

thf(863,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_rng @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_rng @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[756]) ).

thf(864,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK45_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK45_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK45_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK45_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ~ ( in @ ( sK45_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK45_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) ) )
                  | ( SX2
                    = ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_difference @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX0 )
                            | ( in @ SX3 @ SX1 )
                            | ( in @ SX3 @ SX2 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX0 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ~ ( in @ SX3 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[622]) ).

thf(865,plain,
    ! [SV1: $i] :
      ( ( ! [SY501: $i] :
            ( ~ ( in @ SV1 @ SY501 )
            | ( ( set_union2 @ ( singleton @ SV1 ) @ SY501 )
              = SY501 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[590]) ).

thf(866,plain,
    ! [SV2: $i] :
      ( ( ! [SY502: $i] :
            ( ~ ( disjoint @ ( singleton @ SV2 ) @ SY502 )
            | ~ ( in @ SV2 @ SY502 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[591]) ).

thf(867,plain,
    ! [SV3: $i] :
      ( ( ! [SY503: $i] :
            ( ( in @ SV3 @ SY503 )
            | ( disjoint @ ( singleton @ SV3 ) @ SY503 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[592]) ).

thf(868,plain,
    ! [SV4: $i] :
      ( ( ! [SY504: $i] :
            ( ~ ( element @ SY504 @ ( powerset @ SV4 ) )
            | ! [SY505: $i] :
                ( ~ ( in @ SY505 @ SY504 )
                | ( in @ SY505 @ SV4 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[594]) ).

thf(869,plain,
    ! [SV5: $i] :
      ( ( ! [SY506: $i] :
            ( ~ ( in @ SV5 @ SY506 )
            | ( subset @ SV5 @ ( union @ SY506 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[595]) ).

thf(870,plain,
    ! [SV6: $i] :
      ( ( ! [SY507: $i] :
            ( ~ ( in @ SV6 @ SY507 )
            | ( ( set_union2 @ ( singleton @ SV6 ) @ SY507 )
              = SY507 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[602]) ).

thf(871,plain,
    ! [SV7: $i] :
      ( ( ! [SY508: $i] :
            ( ~ ( in @ SV7 @ SY508 )
            | ( subset @ SV7 @ ( union @ SY508 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[606]) ).

thf(872,plain,
    ! [SV8: $i] :
      ( ( ! [SY509: $i] :
            ( ~ ( in @ SV8 @ SY509 )
            | ~ ( in @ SY509 @ SV8 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[607]) ).

thf(873,plain,
    ! [SV9: $i] :
      ( ( relation @ ( identity_relation @ SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[623]) ).

thf(874,plain,
    ! [SV10: $i] :
      ( ( ! [SY510: $i] :
            ( ~ ( in @ SV10 @ SY510 )
            | ( element @ SV10 @ SY510 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[625]) ).

thf(875,plain,
    ! [SV11: $i] :
      ( ( ! [SY511: $i] :
            ( ~ ( element @ SV11 @ SY511 )
            | ( empty @ SY511 )
            | ( in @ SV11 @ SY511 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[626]) ).

thf(876,plain,
    ! [SV12: $i] :
      ( ( ! [SY512: $i,SY513: $i] :
            ( ~ ( element @ SY512 @ ( powerset @ SY513 ) )
            | ~ ( in @ SV12 @ SY512 )
            | ( element @ SV12 @ SY513 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[628]) ).

thf(877,plain,
    ! [SV13: $i] :
      ( ( ! [SY514: $i] :
            ( ~ ( empty @ SY514 )
            | ~ ( in @ SV13 @ SY514 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[629]) ).

thf(878,plain,
    ! [SV14: $i] :
      ( ( ( ( singleton @ SV14 )
         != empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[631]) ).

thf(879,plain,
    ! [SV15: $i] :
      ( ( ! [SY515: $i] :
            ( ~ ( subset @ SV15 @ SY515 )
            | ! [SY516: $i] :
                ( ( in @ SY516 @ SV15 )
                | ( subset @ SV15 @ ( set_difference @ SY515 @ ( singleton @ SY516 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[633]) ).

thf(880,plain,
    ! [SV16: $i] :
      ( ( ! [SY517: $i,SY518: $i,SY519: $i] :
            ( ( SV16 = SY519 )
            | ( SV16 = SY518 )
            | ( ( unordered_pair @ SV16 @ SY517 )
             != ( unordered_pair @ SY518 @ SY519 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[635]) ).

thf(881,plain,
    ! [SV17: $i] :
      ( ( ! [SY520: $i] :
            ( ~ ( relation @ SY520 )
            | ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV17 @ SY520 ) ) @ SV17 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[637]) ).

thf(882,plain,
    ! [SV18: $i] :
      ( ( ! [SY521: $i] :
            ( ~ ( relation @ SY521 )
            | ( subset @ ( relation_rng_restriction @ SV18 @ SY521 ) @ SY521 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[638]) ).

thf(883,plain,
    ! [SV19: $i] :
      ( ( ! [SY522: $i] :
            ( ~ ( relation @ SY522 )
            | ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV19 @ SY522 ) ) @ ( relation_rng @ SY522 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[639]) ).

thf(884,plain,
    ! [SV20: $i] :
      ( ( ! [SY523: $i] :
            ( ~ ( relation @ SY523 )
            | ( ( relation_rng @ ( relation_rng_restriction @ SV20 @ SY523 ) )
              = ( set_intersection2 @ ( relation_rng @ SY523 ) @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[641]) ).

thf(885,plain,
    ! [SV21: $i] :
      ( ( ! [SY524: $i,SY525: $i,SY526: $i] :
            ( ~ ( subset @ SV21 @ SY524 )
            | ~ ( subset @ SY525 @ SY526 )
            | ( subset @ ( cartesian_product2 @ SV21 @ SY525 ) @ ( cartesian_product2 @ SY524 @ SY526 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[642]) ).

thf(886,plain,
    ! [SV22: $i] :
      ( ( ! [SY527: $i] :
            ( ~ ( subset @ SV22 @ SY527 )
            | ( ( set_union2 @ SV22 @ SY527 )
              = SY527 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[643]) ).

thf(887,plain,
    ! [SV23: $i] :
      ( ( ! [SY528: $i] :
            ( ~ ( relation @ SY528 )
            | ( subset @ ( relation_image @ SY528 @ SV23 ) @ ( relation_rng @ SY528 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[646]) ).

thf(888,plain,
    ! [SV24: $i] :
      ( ( ! [SY529: $i] :
            ( ~ ( relation @ SY529 )
            | ( ( relation_image @ SY529 @ SV24 )
              = ( relation_image @ SY529 @ ( set_intersection2 @ ( relation_dom @ SY529 ) @ SV24 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[647]) ).

thf(889,plain,
    ! [SV25: $i] :
      ( ( ~ ( relation @ SV25 )
        | ( ( relation_image @ SV25 @ ( relation_dom @ SV25 ) )
          = ( relation_rng @ SV25 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[648]) ).

thf(890,plain,
    ! [SV26: $i] :
      ( ( ! [SY530: $i] :
            ( ~ ( relation @ SY530 )
            | ( subset @ ( relation_inverse_image @ SY530 @ SV26 ) @ ( relation_dom @ SY530 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[650]) ).

thf(891,plain,
    ! [SV27: $i] :
      ( ( ! [SY531: $i] :
            ( ~ ( relation @ SY531 )
            | ( SV27 = empty_set )
            | ~ ( subset @ SV27 @ ( relation_rng @ SY531 ) )
            | ( ( relation_inverse_image @ SY531 @ SV27 )
             != empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[651]) ).

thf(892,plain,
    ! [SV28: $i] :
      ( ( ! [SY532: $i,SY533: $i] :
            ( ~ ( relation @ SY533 )
            | ~ ( subset @ SV28 @ SY532 )
            | ( subset @ ( relation_inverse_image @ SY533 @ SV28 ) @ ( relation_inverse_image @ SY533 @ SY532 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[652]) ).

thf(893,plain,
    ! [SV29: $i] :
      ( ( ! [SY534: $i] : ( subset @ ( set_intersection2 @ SV29 @ SY534 ) @ SV29 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[653]) ).

thf(894,plain,
    ! [SV30: $i] :
      ( ( ! [SY535: $i,SY536: $i] :
            ( ~ ( subset @ SV30 @ SY535 )
            | ~ ( subset @ SV30 @ SY536 )
            | ( subset @ SV30 @ ( set_intersection2 @ SY535 @ SY536 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[654]) ).

thf(895,plain,
    ! [SV31: $i] :
      ( ( ! [SY537: $i,SY538: $i] :
            ( ~ ( subset @ SV31 @ SY537 )
            | ~ ( subset @ SY537 @ SY538 )
            | ( subset @ SV31 @ SY538 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[655]) ).

thf(896,plain,
    ! [SV32: $i] :
      ( ( ~ ( relation @ SV32 )
        | ( subset @ SV32 @ ( cartesian_product2 @ ( relation_dom @ SV32 ) @ ( relation_rng @ SV32 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[659]) ).

thf(897,plain,
    ! [SV33: $i] :
      ( ( ! [SY539: $i] :
            ( ~ ( function @ SY539 )
            | ~ ( relation @ SY539 )
            | ! [SY540: $i] :
                ( ~ ( function @ SY540 )
                | ~ ( relation @ SY540 )
                | ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SY540 @ SY539 ) ) )
                | ( ( apply @ ( relation_composition @ SY540 @ SY539 ) @ SV33 )
                  = ( apply @ SY539 @ ( apply @ SY540 @ SV33 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[660]) ).

thf(898,plain,
    ! [SV34: $i] :
      ( ( ! [SY541: $i] :
            ( ~ ( function @ SY541 )
            | ~ ( relation @ SY541 )
            | ! [SY542: $i] :
                ( ~ ( function @ SY542 )
                | ~ ( relation @ SY542 )
                | ~ ( in @ SV34 @ ( relation_dom @ SY541 ) )
                | ( ( apply @ ( relation_composition @ SY541 @ SY542 ) @ SV34 )
                  = ( apply @ SY542 @ ( apply @ SY541 @ SV34 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[661]) ).

thf(899,plain,
    ! [SV35: $i] :
      ( ( ! [SY543: $i] :
            ( ~ ( subset @ SV35 @ SY543 )
            | ! [SY544: $i] : ( subset @ ( set_intersection2 @ SV35 @ SY544 ) @ ( set_intersection2 @ SY543 @ SY544 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[663]) ).

thf(900,plain,
    ! [SV36: $i] :
      ( ( ! [SY545: $i] :
            ( ~ ( subset @ SV36 @ SY545 )
            | ( ( set_intersection2 @ SV36 @ SY545 )
              = SV36 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[664]) ).

thf(901,plain,
    ! [SV37: $i] :
      ( ( subset @ empty_set @ SV37 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[665]) ).

thf(902,plain,
    ! [SV38: $i] :
      ( ( ! [SY546: $i] :
            ( ~ ( subset @ SV38 @ SY546 )
            | ! [SY547: $i] : ( subset @ ( set_difference @ SV38 @ SY547 ) @ ( set_difference @ SY546 @ SY547 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[667]) ).

thf(903,plain,
    ! [SV39: $i] :
      ( ( ! [SY548: $i] : ( subset @ ( set_difference @ SV39 @ SY548 ) @ SV39 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[670]) ).

thf(904,plain,
    ! [SV40: $i] :
      ( ( ! [SY549: $i] :
            ( ( set_union2 @ SV40 @ ( set_difference @ SY549 @ SV40 ) )
            = ( set_union2 @ SV40 @ SY549 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[673]) ).

thf(905,plain,
    ! [SV41: $i] :
      ( ( ~ ( subset @ SV41 @ empty_set )
        | ( SV41 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[675]) ).

thf(906,plain,
    ! [SV42: $i] :
      ( ( ! [SY550: $i] :
            ( ( set_difference @ ( set_union2 @ SV42 @ SY550 ) @ SY550 )
            = ( set_difference @ SV42 @ SY550 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[676]) ).

thf(907,plain,
    ! [SV43: $i] :
      ( ( ~ ( relation @ SV43 )
        | ! [SY551: $i] :
            ( ~ ( relation @ SY551 )
            | ( subset @ ( relation_dom @ ( relation_composition @ SV43 @ SY551 ) ) @ ( relation_dom @ SV43 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[678]) ).

thf(908,plain,
    ! [SV44: $i] :
      ( ( ~ ( relation @ SV44 )
        | ! [SY552: $i] :
            ( ~ ( relation @ SY552 )
            | ( subset @ ( relation_rng @ ( relation_composition @ SV44 @ SY552 ) ) @ ( relation_rng @ SY552 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[679]) ).

thf(909,plain,
    ! [SV45: $i] :
      ( ( ! [SY553: $i] :
            ( ~ ( subset @ SV45 @ SY553 )
            | ( SY553
              = ( set_union2 @ SV45 @ ( set_difference @ SY553 @ SV45 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[680]) ).

thf(910,plain,
    ! [SV46: $i] :
      ( ( ~ ( relation @ SV46 )
        | ! [SY554: $i] :
            ( ~ ( relation @ SY554 )
            | ~ ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SY554 ) )
            | ( ( relation_dom @ ( relation_composition @ SV46 @ SY554 ) )
              = ( relation_dom @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[681]) ).

thf(911,plain,
    ! [SV47: $i] :
      ( ( ! [SY555: $i] :
            ( ~ ( element @ SY555 @ ( powerset @ ( powerset @ SV47 ) ) )
            | ( SY555 = empty_set )
            | ( ( complements_of_subsets @ SV47 @ SY555 )
             != empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[682]) ).

thf(912,plain,
    ! [SV48: $i] :
      ( ( ~ ( relation @ SV48 )
        | ! [SY556: $i] :
            ( ~ ( relation @ SY556 )
            | ~ ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SY556 ) )
            | ( ( relation_rng @ ( relation_composition @ SY556 @ SV48 ) )
              = ( relation_rng @ SV48 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[683]) ).

thf(913,plain,
    ! [SV49: $i] :
      ( ( ! [SY557: $i] :
            ( ( set_difference @ SV49 @ ( set_difference @ SV49 @ SY557 ) )
            = ( set_intersection2 @ SV49 @ SY557 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[684]) ).

thf(914,plain,
    ! [SV50: $i] :
      ( ( ( SV50 = empty_set )
        | ! [SY558: $i] :
            ( ~ ( element @ SY558 @ ( powerset @ SV50 ) )
            | ! [SY559: $i] :
                ( ~ ( element @ SY559 @ SV50 )
                | ( in @ SY559 @ SY558 )
                | ( in @ SY559 @ ( subset_complement @ SV50 @ SY558 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[685]) ).

thf(915,plain,
    ! [SV51: $i] :
      ( ( ! [SY560: $i,SY561: $i] :
            ( ~ ( element @ SY561 @ ( powerset @ SV51 ) )
            | ~ ( in @ SY560 @ ( subset_complement @ SV51 @ SY561 ) )
            | ~ ( in @ SY560 @ SY561 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[686]) ).

thf(916,plain,
    ! [SV52: $i] :
      ( ( ~ ( relation @ SV52 )
        | ( in @ ( ordered_pair @ ( sK36_B @ SV52 ) @ ( sK37_SY474 @ SV52 ) ) @ SV52 )
        | ( SV52 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[687]) ).

thf(917,plain,
    ! [SV53: $i] :
      ( ( ! [SY562: $i] :
            ( ~ ( proper_subset @ SY562 @ SV53 )
            | ~ ( subset @ SV53 @ SY562 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[689]) ).

thf(918,plain,
    ! [SV54: $i] :
      ( ( ! [SY563: $i,SY564: $i] :
            ( ~ ( disjoint @ SY563 @ SY564 )
            | ~ ( subset @ SV54 @ SY563 )
            | ( disjoint @ SV54 @ SY564 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[690]) ).

thf(919,plain,
    ! [SV55: $i] :
      ( ( ( unordered_pair @ SV55 @ SV55 )
        = ( singleton @ SV55 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[693]) ).

thf(920,plain,
    ! [SV56: $i] :
      ( ( ! [SY565: $i] :
            ( ~ ( subset @ ( singleton @ SV56 ) @ ( singleton @ SY565 ) )
            | ( SV56 = SY565 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[694]) ).

thf(921,plain,
    ! [SV57: $i] :
      ( ( ! [SY566: $i] : ( subset @ SV57 @ ( set_union2 @ SV57 @ SY566 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[696]) ).

thf(922,plain,
    ! [SV58: $i] :
      ( ( ! [SY567: $i] :
            ( ~ ( relation @ SY567 )
            | ( subset @ ( relation_dom_restriction @ SY567 @ SV58 ) @ SY567 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[699]) ).

thf(923,plain,
    ! [SV59: $i] :
      ( ( ! [SY568: $i,SY569: $i] :
            ( ~ ( subset @ SV59 @ SY568 )
            | ~ ( subset @ SY569 @ SY568 )
            | ( subset @ ( set_union2 @ SV59 @ SY569 ) @ SY568 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[701]) ).

thf(924,plain,
    ! [SV60: $i] :
      ( ( ! [SY570: $i] :
            ( ! [SY571: $i] :
                ( ( singleton @ SV60 )
               != ( unordered_pair @ SY570 @ SY571 ) )
            | ( SV60 = SY570 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[702]) ).

thf(925,plain,
    ! [SV61: $i] :
      ( ( ! [SY572: $i] :
            ( ~ ( relation @ SY572 )
            | ( ( relation_dom @ ( relation_dom_restriction @ SY572 @ SV61 ) )
              = ( set_intersection2 @ ( relation_dom @ SY572 ) @ SV61 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[703]) ).

thf(926,plain,
    ! [SV62: $i] :
      ( ( ! [SY573: $i] :
            ( ~ ( relation @ SY573 )
            | ( subset @ ( relation_rng @ ( relation_dom_restriction @ SY573 @ SV62 ) ) @ ( relation_rng @ SY573 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[704]) ).

thf(927,plain,
    ! [SV63: $i] :
      ( ( ( union @ ( powerset @ SV63 ) )
        = SV63 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[705]) ).

thf(928,plain,
    ! [SV64: $i] :
      ( ( ! [SY574: $i,SY575: $i] :
            ( ( ( singleton @ SV64 )
             != ( unordered_pair @ SY574 @ SY575 ) )
            | ( SY574 = SY575 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[706]) ).

thf(929,plain,
    ! [SV65: $i] :
      ( ( ~ ( empty @ SV65 )
        | ( function @ SV65 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[707]) ).

thf(930,plain,
    ! [SV66: $i] :
      ( ( ~ ( empty @ SV66 )
        | ( relation @ SV66 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[708]) ).

thf(931,plain,
    ! [SV67: $i] :
      ( ( ! [SY576: $i] :
            ( ( unordered_pair @ SV67 @ SY576 )
            = ( unordered_pair @ SY576 @ SV67 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[709]) ).

thf(932,plain,
    ! [SV68: $i] :
      ( ( ! [SY577: $i] :
            ( ( set_union2 @ SV68 @ SY577 )
            = ( set_union2 @ SY577 @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[710]) ).

thf(933,plain,
    ! [SV69: $i] :
      ( ( ! [SY578: $i] :
            ( ( set_intersection2 @ SV69 @ SY578 )
            = ( set_intersection2 @ SY578 @ SV69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[711]) ).

thf(934,plain,
    ! [SV70: $i] :
      ( ( ! [SY579: $i] :
            ( ~ ( element @ SY579 @ ( powerset @ SV70 ) )
            | ( ( subset_complement @ SV70 @ SY579 )
              = ( set_difference @ SV70 @ SY579 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[721]) ).

thf(935,plain,
    ! [SV71: $i] :
      ( ( ! [SY580: $i] :
            ( ( ordered_pair @ SV71 @ SY580 )
            = ( unordered_pair @ ( unordered_pair @ SV71 @ SY580 ) @ ( singleton @ SV71 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[722]) ).

thf(936,plain,
    ! [SV72: $i] :
      ( ( ~ ( relation @ SV72 )
        | ( ( relation_field @ SV72 )
          = ( set_union2 @ ( relation_dom @ SV72 ) @ ( relation_rng @ SV72 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[723]) ).

thf(937,plain,
    ! [SV73: $i] :
      ( ( element @ ( cast_to_subset @ SV73 ) @ ( powerset @ SV73 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[728]) ).

thf(938,plain,
    ! [SV74: $i] :
      ( ( ! [SY581: $i] :
            ( ~ ( element @ SY581 @ ( powerset @ SV74 ) )
            | ( element @ ( subset_complement @ SV74 @ SY581 ) @ ( powerset @ SV74 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[729]) ).

thf(939,plain,
    ! [SV75: $i] :
      ( ( ~ ( relation @ SV75 )
        | ( relation @ ( relation_inverse @ SV75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[730]) ).

thf(940,plain,
    ! [SV76: $i] :
      ( ( ! [SY582: $i] :
            ( ~ ( relation @ SV76 )
            | ~ ( relation @ SY582 )
            | ( relation @ ( relation_composition @ SV76 @ SY582 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[731]) ).

thf(941,plain,
    ! [SV77: $i] :
      ( ( ! [SY583: $i] :
            ( ~ ( element @ SY583 @ ( powerset @ ( powerset @ SV77 ) ) )
            | ( element @ ( union_of_subsets @ SV77 @ SY583 ) @ ( powerset @ SV77 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[732]) ).

thf(942,plain,
    ! [SV78: $i] :
      ( ( ! [SY584: $i] :
            ( ~ ( element @ SY584 @ ( powerset @ ( powerset @ SV78 ) ) )
            | ( element @ ( meet_of_subsets @ SV78 @ SY584 ) @ ( powerset @ SV78 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[733]) ).

thf(943,plain,
    ! [SV79: $i] :
      ( ( ! [SY585: $i,SY586: $i] :
            ( ~ ( element @ SY585 @ ( powerset @ SV79 ) )
            | ~ ( element @ SY586 @ ( powerset @ SV79 ) )
            | ( element @ ( subset_difference @ SV79 @ SY585 @ SY586 ) @ ( powerset @ SV79 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[734]) ).

thf(944,plain,
    ! [SV80: $i] :
      ( ( ~ ( relation @ SV80 )
        | ! [SY587: $i] : ( relation @ ( relation_dom_restriction @ SV80 @ SY587 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[735]) ).

thf(945,plain,
    ! [SV81: $i] :
      ( ( ! [SY588: $i] :
            ( ~ ( element @ SY588 @ ( powerset @ ( powerset @ SV81 ) ) )
            | ( element @ ( complements_of_subsets @ SV81 @ SY588 ) @ ( powerset @ ( powerset @ SV81 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[736]) ).

thf(946,plain,
    ! [SV82: $i] :
      ( ( ! [SY589: $i] :
            ( ~ ( relation @ SY589 )
            | ( relation @ ( relation_rng_restriction @ SV82 @ SY589 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[737]) ).

thf(947,plain,
    ! [SV83: $i] :
      ( ( element @ ( sK11_B @ SV83 ) @ SV83 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[738]) ).

thf(948,plain,
    ! [SV84: $i] :
      ( ( ! [SY590: $i] :
            ( ~ ( relation @ SV84 )
            | ~ ( relation @ SY590 )
            | ( relation @ ( set_intersection2 @ SV84 @ SY590 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[742]) ).

thf(949,plain,
    ! [SV85: $i] :
      ( ( ~ ( empty @ ( powerset @ SV85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[743]) ).

thf(950,plain,
    ! [SV86: $i] :
      ( ( ! [SY591: $i] :
            ~ ( empty @ ( ordered_pair @ SV86 @ SY591 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[745]) ).

thf(951,plain,
    ! [SV87: $i] :
      ( ( ! [SY592: $i] :
            ( ~ ( relation @ SV87 )
            | ~ ( relation @ SY592 )
            | ( relation @ ( set_union2 @ SV87 @ SY592 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[746]) ).

thf(952,plain,
    ! [SV88: $i] :
      ( ( ~ ( empty @ ( singleton @ SV88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[747]) ).

thf(953,plain,
    ! [SV89: $i] :
      ( ( ( empty @ SV89 )
        | ! [SY593: $i] :
            ~ ( empty @ ( set_union2 @ SV89 @ SY593 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[748]) ).

thf(954,plain,
    ! [SV90: $i] :
      ( ( ! [SY594: $i] :
            ~ ( empty @ ( unordered_pair @ SV90 @ SY594 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[749]) ).

thf(955,plain,
    ! [SV91: $i] :
      ( ( ( empty @ SV91 )
        | ! [SY595: $i] :
            ~ ( empty @ ( set_union2 @ SY595 @ SV91 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[750]) ).

thf(956,plain,
    ! [SV92: $i] :
      ( ( ! [SY596: $i] :
            ( ( empty @ SV92 )
            | ( empty @ SY596 )
            | ~ ( empty @ ( cartesian_product2 @ SV92 @ SY596 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[752]) ).

thf(957,plain,
    ! [SV93: $i] :
      ( ( ( empty @ SV93 )
        | ~ ( relation @ SV93 )
        | ~ ( empty @ ( relation_dom @ SV93 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[753]) ).

thf(958,plain,
    ! [SV94: $i] :
      ( ( ( empty @ SV94 )
        | ~ ( relation @ SV94 )
        | ~ ( empty @ ( relation_rng @ SV94 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[754]) ).

thf(959,plain,
    ! [SV95: $i] :
      ( ( ( set_union2 @ SV95 @ SV95 )
        = SV95 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[758]) ).

thf(960,plain,
    ! [SV96: $i] :
      ( ( ( set_intersection2 @ SV96 @ SV96 )
        = SV96 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[759]) ).

thf(961,plain,
    ! [SV97: $i] :
      ( ( ! [SY597: $i] :
            ( ~ ( element @ SY597 @ ( powerset @ SV97 ) )
            | ( ( subset_complement @ SV97 @ ( subset_complement @ SV97 @ SY597 ) )
              = SY597 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[760]) ).

thf(962,plain,
    ! [SV98: $i] :
      ( ( ~ ( relation @ SV98 )
        | ( ( relation_inverse @ ( relation_inverse @ SV98 ) )
          = SV98 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[761]) ).

thf(963,plain,
    ! [SV99: $i] :
      ( ( ! [SY598: $i] :
            ( ~ ( element @ SY598 @ ( powerset @ ( powerset @ SV99 ) ) )
            | ( ( complements_of_subsets @ SV99 @ ( complements_of_subsets @ SV99 @ SY598 ) )
              = SY598 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[762]) ).

thf(964,plain,
    ( ( empty @ sK4_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[769]) ).

thf(965,plain,
    ! [SV100: $i] :
      ( ( ! [SY599: $i] :
            ( ~ ( element @ SY599 @ ( powerset @ ( powerset @ SV100 ) ) )
            | ( ( union_of_subsets @ SV100 @ SY599 )
              = ( union @ SY599 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[771]) ).

thf(966,plain,
    ! [SV101: $i] :
      ( ( ! [SY600: $i] :
            ( ~ ( element @ SY600 @ ( powerset @ ( powerset @ SV101 ) ) )
            | ( ( meet_of_subsets @ SV101 @ SY600 )
              = ( set_meet @ SY600 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[772]) ).

thf(967,plain,
    ! [SV102: $i] :
      ( ( ! [SY601: $i,SY602: $i] :
            ( ~ ( element @ SY601 @ ( powerset @ SV102 ) )
            | ~ ( element @ SY602 @ ( powerset @ SV102 ) )
            | ( ( subset_difference @ SV102 @ SY601 @ SY602 )
              = ( set_difference @ SY601 @ SY602 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[773]) ).

thf(968,plain,
    ! [SV103: $i] :
      ( ( subset @ SV103 @ SV103 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[774]) ).

thf(969,plain,
    ! [SV104: $i] :
      ( ( ! [SY603: $i] :
            ( ~ ( disjoint @ SV104 @ SY603 )
            | ( disjoint @ SY603 @ SV104 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[775]) ).

thf(970,plain,
    ! [SV105: $i] :
      ( ( ( set_union2 @ SV105 @ empty_set )
        = SV105 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[776]) ).

thf(971,plain,
    ! [SV106: $i] :
      ( ( ( set_intersection2 @ SV106 @ empty_set )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[777]) ).

thf(972,plain,
    ! [SV107: $i] :
      ( ( ( set_difference @ SV107 @ empty_set )
        = SV107 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[778]) ).

thf(973,plain,
    ! [SV108: $i] :
      ( ( ( set_difference @ empty_set @ SV108 )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[780]) ).

thf(974,plain,
    ! [SV109: $i] :
      ( ( ! [SY604: $i,SY605: $i] :
            ( ~ ( element @ SY604 @ ( powerset @ SY605 ) )
            | ~ ( in @ SV109 @ SY604 )
            | ~ ( empty @ SY605 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[781]) ).

thf(975,plain,
    ! [SV110: $i] :
      ( ( ~ ( empty @ SV110 )
        | ( SV110 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[782]) ).

thf(976,plain,
    ! [SV111: $i] :
      ( ( ! [SY606: $i] :
            ( ( SV111 = SY606 )
            | ~ ( empty @ SV111 )
            | ~ ( empty @ SY606 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[783]) ).

thf(977,plain,
    ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY456 )
      = sK2_SY456 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[785]) ).

thf(978,plain,
    ! [SV112: $i] :
      ( ( ~ ( ~ ! [SY607: $i,SY608: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                          | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                          | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                                | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                            | ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                                | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) ) ) )
                  | ( SY608
                    = ( set_intersection2 @ SV112 @ SY607 ) ) )
            | ~ ! [SY609: $i,SY610: $i] :
                  ( ( SY610
                   != ( set_intersection2 @ SV112 @ SY609 ) )
                  | ~ ( ~ ! [SY611: $i] :
                            ( ~ ( in @ SY611 @ SV112 )
                            | ~ ( in @ SY611 @ SY609 )
                            | ( in @ SY611 @ SY610 ) )
                      | ~ ~ ( ~ ! [SY612: $i] :
                                  ( ~ ( in @ SY612 @ SY610 )
                                  | ( in @ SY612 @ SV112 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY610 )
                                  | ( in @ SX3 @ SY609 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[786]) ).

thf(979,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ! [SX2: $i] :
                        ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX2 )
                        | ~ ( in @ SX2 @ SX0 ) )
                    | ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ~ ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ ( sK48_SY487 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK48_SY487 @ SX1 @ SX0 ) @ SX0 ) )
                    | ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( union @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( union @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ! [SX3: $i] :
                          ( ~ ( in @ SX2 @ SX3 )
                          | ~ ( in @ SX3 @ SX0 ) )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ~ ( ~ ( in @ SX2 @ ( sK46_D @ SX2 @ SX1 @ SX0 ) )
                          | ~ ( in @ ( sK46_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[787]) ).

thf(980,plain,
    ! [SV113: $i] :
      ( ( ! [SY614: $i] :
            ( ~ ( relation @ SY614 )
            | ~ ( ~ ! [SY615: $i] :
                      ( ~ ( relation @ SY615 )
                      | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SY615 @ SY614 @ SV113 ) @ SV113 )
                              | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY615 @ SY614 @ SV113 ) @ ( sK33_SY472 @ SY615 @ SY614 @ SV113 ) ) @ SY614 )
                              | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY615 @ SY614 @ SV113 ) @ ( sK33_SY472 @ SY615 @ SY614 @ SV113 ) ) @ SY615 ) )
                          | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SY615 @ SY614 @ SV113 ) @ SV113 )
                                    | ( in @ ( ordered_pair @ ( sK32_D @ SY615 @ SY614 @ SV113 ) @ ( sK33_SY472 @ SY615 @ SY614 @ SV113 ) ) @ SY615 ) )
                                | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SY615 @ SY614 @ SV113 ) @ ( sK33_SY472 @ SY615 @ SY614 @ SV113 ) ) @ SY614 )
                                    | ( in @ ( ordered_pair @ ( sK32_D @ SY615 @ SY614 @ SV113 ) @ ( sK33_SY472 @ SY615 @ SY614 @ SV113 ) ) @ SY615 ) ) ) )
                      | ( SY615
                        = ( relation_rng_restriction @ SV113 @ SY614 ) ) )
                | ~ ! [SY616: $i] :
                      ( ~ ( relation @ SY616 )
                      | ( SY616
                       != ( relation_rng_restriction @ SV113 @ SY614 ) )
                      | ~ ( ~ ! [SY617: $i,SY618: $i] :
                                ( ~ ( in @ SY618 @ SV113 )
                                | ~ ( in @ ( ordered_pair @ SY617 @ SY618 ) @ SY614 )
                                | ( in @ ( ordered_pair @ SY617 @ SY618 ) @ SY616 ) )
                          | ~ ~ ( ~ ! [SY619: $i,SY620: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SY619 @ SY620 ) @ SY616 )
                                      | ( in @ SY620 @ SV113 ) )
                                | ~ ! [SX3: $i,SX4: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY616 )
                                      | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY614 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[788]) ).

thf(981,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( empty @ ( relation_composition @ SX1 @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( relation @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[789]) ).

thf(982,plain,
    ( ( ~ ( relation @ sK3_A )
      | ~ ( relation_empty_yielding @ sK3_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[790]) ).

thf(983,plain,
    ! [SV114: $i] :
      ( ( ! [SY623: $i] :
            ~ ( ~ ! [SY624: $i,SY625: $i] :
                    ( ~ ( in @ SV114 @ SY624 )
                    | ~ ( in @ SY623 @ SY625 )
                    | ( in @ ( ordered_pair @ SV114 @ SY623 ) @ ( cartesian_product2 @ SY624 @ SY625 ) ) )
              | ~ ~ ( ~ ! [SY626: $i] :
                          ( ! [SY627: $i] :
                              ~ ( in @ ( ordered_pair @ SV114 @ SY623 ) @ ( cartesian_product2 @ SY626 @ SY627 ) )
                          | ( in @ SV114 @ SY626 ) )
                    | ~ ! [SY628: $i,SY629: $i] :
                          ( ~ ( in @ ( ordered_pair @ SV114 @ SY623 ) @ ( cartesian_product2 @ SY628 @ SY629 ) )
                          | ( in @ SY623 @ SY629 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[791]) ).

thf(984,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[792]) ).

thf(985,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK62_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK62_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[793]) ).

thf(986,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK61_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[794]) ).

thf(987,plain,
    ! [SV115: $i] :
      ( ( ~ ( ~ ! [SY630: $i] :
                  ( ~ ( subset @ SY630 @ ( sK42_B @ SV115 ) )
                  | ( are_equipotent @ SY630 @ ( sK42_B @ SV115 ) )
                  | ( in @ SY630 @ ( sK42_B @ SV115 ) ) )
            | ~ ~ ( ~ ! [SY631: $i] :
                        ( ~ ( ~ ! [SY632: $i] :
                                  ( ~ ( subset @ SY632 @ SY631 )
                                  | ( in @ SY632 @ ( sK43_SY481 @ SY631 @ SV115 ) ) )
                            | ~ ( in @ ( sK43_SY481 @ SY631 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
                        | ~ ( in @ SY631 @ ( sK42_B @ SV115 ) ) )
                  | ~ ~ ( ~ ! [SY633: $i,SY634: $i] :
                              ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
                              | ~ ( subset @ SY634 @ SY633 )
                              | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
                        | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[795]) ).

thf(988,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[796]) ).

thf(989,plain,
    ! [SV116: $i] :
      ( ( ~ ( function @ SV116 )
        | ~ ( relation @ SV116 )
        | ~ ( ~ ~ ( ~ ! [SY635: $i] :
                        ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                        | ! [SY636: $i] :
                            ( ( SY636
                             != ( apply @ SV116 @ SY635 ) )
                            | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
                  | ~ ! [SY637: $i] :
                        ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                        | ! [SY638: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                            | ( SY638
                              = ( apply @ SV116 @ SY637 ) ) ) ) )
            | ~ ~ ( ~ ! [SY639: $i] :
                        ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                        | ! [SY640: $i] :
                            ( ( SY640
                             != ( apply @ SV116 @ SY639 ) )
                            | ( SY640 = empty_set ) ) )
                  | ~ ! [SY641: $i] :
                        ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                        | ! [SY642: $i] :
                            ( ( SY642 != empty_set )
                            | ( SY642
                              = ( apply @ SV116 @ SY641 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[797]) ).

thf(990,plain,
    ! [SV117: $i] :
      ( ( ~ ( ~ ! [SY643: $i,SY644: $i] :
                  ( ~ ( ~ ( ! [SY645: $i,SY646: $i] :
                              ( ~ ( in @ SY645 @ SV117 )
                              | ~ ( in @ SY646 @ SY643 )
                              | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                               != ( ordered_pair @ SY645 @ SY646 ) ) )
                          | ~ ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) )
                      | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ SV117 )
                                    | ~ ( in @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) @ SY643 ) )
                              | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                               != ( ordered_pair @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) ) ) )
                          | ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) ) )
                  | ( SY644
                    = ( cartesian_product2 @ SV117 @ SY643 ) ) )
            | ~ ! [SY647: $i,SY648: $i] :
                  ( ( SY648
                   != ( cartesian_product2 @ SV117 @ SY647 ) )
                  | ~ ( ~ ! [SY649: $i] :
                            ( ! [SY650: $i,SY651: $i] :
                                ( ~ ( in @ SY650 @ SV117 )
                                | ~ ( in @ SY651 @ SY647 )
                                | ( SY649
                                 != ( ordered_pair @ SY650 @ SY651 ) ) )
                            | ( in @ SY649 @ SY648 ) )
                      | ~ ! [SY652: $i] :
                            ( ~ ( in @ SY652 @ SY648 )
                            | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ SV117 )
                                      | ~ ( in @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) @ SY647 ) )
                                | ( SY652
                                 != ( ordered_pair @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[798]) ).

thf(991,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[799]) ).

thf(992,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
             != empty_set )
            | ( ( relation_rng @ SX0 )
              = empty_set ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
             != empty_set )
            | ( ( relation_dom @ SX0 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[800]) ).

thf(993,plain,
    ( ( ~ ( function @ sK10_A )
      | ~ ( relation @ sK10_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[801]) ).

thf(994,plain,
    ! [SV118: $i] :
      ( ( ~ ( ~ ! [SY653: $i,SY654: $i] :
                  ( ~ ( function @ SY654 )
                  | ~ ( relation @ SY654 )
                  | ( SY653
                   != ( apply @ SY654 @ SV118 ) )
                  | ~ ( in @ SV118 @ ( relation_dom @ SY654 ) )
                  | ( in @ ( ordered_pair @ SV118 @ SY653 ) @ SY654 ) )
            | ~ ~ ( ~ ! [SY655: $i,SY656: $i] :
                        ( ~ ( function @ SY656 )
                        | ~ ( relation @ SY656 )
                        | ~ ( in @ ( ordered_pair @ SV118 @ SY655 ) @ SY656 )
                        | ( SY655
                          = ( apply @ SY656 @ SV118 ) ) )
                  | ~ ! [SY657: $i,SY658: $i] :
                        ( ~ ( function @ SY658 )
                        | ~ ( relation @ SY658 )
                        | ~ ( in @ ( ordered_pair @ SV118 @ SY657 ) @ SY658 )
                        | ( in @ SV118 @ ( relation_dom @ SY658 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[802]) ).

thf(995,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[803]) ).

thf(996,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                     != ( sK70_SY500 @ SX1 @ SX0 ) )
                    | ~ ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
                | ~ ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                            = ( sK70_SY500 @ SX1 @ SX0 ) )
                          | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
                      | ~ ( ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) ) ) )
            | ( SX1
              = ( identity_relation @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ( SX1
             != ( identity_relation @ SX0 ) )
            | ~ ( ~ ! [SX2: $i,SX3: $i] :
                      ( ( SX2 != SX3 )
                      | ~ ( in @ SX2 @ SX0 )
                      | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                            ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                            | ( SX2 = SX3 ) )
                      | ~ ! [SX2: $i] :
                            ( ! [SX3: $i] :
                                ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                            | ( in @ SX2 @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[804]) ).

thf(997,plain,
    ! [SV119: $i] :
      ( ( ~ ( ~ ( element @ ( sK5_B @ SV119 ) @ ( powerset @ SV119 ) )
            | ~ ( empty @ ( sK5_B @ SV119 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[805]) ).

thf(998,plain,
    ! [SV120: $i] :
      ( ( ~ ( relation @ SV120 )
        | ! [SY659: $i] :
            ( ~ ( relation @ SY659 )
            | ~ ( ~ ! [SY660: $i] :
                      ( ~ ( relation @ SY660 )
                      | ~ ( ~ ( ! [SY661: $i] :
                                  ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ SY661 ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ SY661 @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY659 ) )
                              | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY660 ) )
                          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK15_SY461 @ SY660 @ SY659 @ SV120 ) ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY659 ) )
                              | ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY660 ) ) )
                      | ( SY660
                        = ( relation_composition @ SV120 @ SY659 ) ) )
                | ~ ! [SY662: $i] :
                      ( ~ ( relation @ SY662 )
                      | ( SY662
                       != ( relation_composition @ SV120 @ SY659 ) )
                      | ~ ( ~ ! [SY663: $i,SY664: $i] :
                                ( ! [SY665: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY663 @ SY665 ) @ SV120 )
                                    | ~ ( in @ ( ordered_pair @ SY665 @ SY664 ) @ SY659 ) )
                                | ( in @ ( ordered_pair @ SY663 @ SY664 ) @ SY662 ) )
                          | ~ ! [SY666: $i,SY667: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY666 @ SY667 ) @ SY662 )
                                | ~ ( ~ ( in @ ( ordered_pair @ SY666 @ ( sK12_F @ SY667 @ SY666 @ SY662 @ SY659 @ SV120 ) ) @ SV120 )
                                    | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY667 @ SY666 @ SY662 @ SY659 @ SV120 ) @ SY667 ) @ SY659 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[806]) ).

thf(999,plain,
    ! [SV121: $i] :
      ( ( ! [SY668: $i] :
            ( ~ ( element @ SY668 @ ( powerset @ SV121 ) )
            | ~ ( ~ ! [SY669: $i] :
                      ( ~ ( element @ SY669 @ ( powerset @ SV121 ) )
                      | ~ ( disjoint @ SY668 @ SY669 )
                      | ( subset @ SY668 @ ( subset_complement @ SV121 @ SY669 ) ) )
                | ~ ! [SY670: $i] :
                      ( ~ ( element @ SY670 @ ( powerset @ SV121 ) )
                      | ~ ( subset @ SY668 @ ( subset_complement @ SV121 @ SY670 ) )
                      | ( disjoint @ SY668 @ SY670 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[807]) ).

thf(1000,plain,
    ! [SV122: $i] :
      ( ( ~ ( ~ ! [SY671: $i,SY672: $i] :
                  ( ~ ( relation @ SY672 )
                  | ~ ( in @ SV122 @ SY671 )
                  | ~ ( in @ SV122 @ ( relation_rng @ SY672 ) )
                  | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY671 @ SY672 ) ) ) )
            | ~ ~ ( ~ ! [SY673: $i,SY674: $i] :
                        ( ~ ( relation @ SY674 )
                        | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY673 @ SY674 ) ) )
                        | ( in @ SV122 @ SY673 ) )
                  | ~ ! [SY675: $i,SY676: $i] :
                        ( ~ ( relation @ SY676 )
                        | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY675 @ SY676 ) ) )
                        | ( in @ SV122 @ ( relation_rng @ SY676 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[808]) ).

thf(1001,plain,
    ! [SV123: $i] :
      ( ( ~ ( relation @ SV123 )
        | ~ ( ~ ! [SY677: $i,SY678: $i] :
                  ( ~ ( relation @ SY678 )
                  | ~ ( ~ ( ~ ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                          | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                          | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                                | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                            | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                                | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) ) ) )
                  | ( SY678
                    = ( relation_dom_restriction @ SV123 @ SY677 ) ) )
            | ~ ! [SY679: $i,SY680: $i] :
                  ( ~ ( relation @ SY680 )
                  | ( SY680
                   != ( relation_dom_restriction @ SV123 @ SY679 ) )
                  | ~ ( ~ ! [SY681: $i,SY682: $i] :
                            ( ~ ( in @ SY681 @ SY679 )
                            | ~ ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SV123 )
                            | ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SY680 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ! [SX4: $i] :
                                      ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY680 )
                                  | ( in @ SX3 @ SY679 ) )
                            | ~ ! [SY685: $i,SY686: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SY680 )
                                  | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV123 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[809]) ).

thf(1002,plain,
    ! [SV124: $i] :
      ( ( ~ ( relation @ SV124 )
        | ~ ( ~ ! [SY687: $i] :
                  ( ~ ( relation @ SY687 )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                          | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                          | ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) ) )
                  | ( SY687
                    = ( relation_inverse @ SV124 ) ) )
            | ~ ! [SY688: $i] :
                  ( ~ ( relation @ SY688 )
                  | ( SY688
                   != ( relation_inverse @ SV124 ) )
                  | ~ ( ~ ! [SY689: $i,SY690: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY689 @ SY690 ) @ SY688 )
                            | ( in @ ( ordered_pair @ SY690 @ SY689 ) @ SV124 ) )
                      | ~ ! [SY691: $i,SY692: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY692 @ SY691 ) @ SV124 )
                            | ( in @ ( ordered_pair @ SY691 @ SY692 ) @ SY688 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[810]) ).

thf(1003,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[811]) ).

thf(1004,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[812]) ).

thf(1005,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_intersection2 @ SX0 @ SX1 )
             != empty_set )
            | ( disjoint @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_intersection2 @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[813]) ).

thf(1006,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX1 )
            | ~ ( relation @ SX1 )
            | ~ ( ~ ( in @ ( sK38_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( ( ( apply @ SX1 @ ( sK38_C @ SX1 @ SX0 ) )
                     != ( sK38_C @ SX1 @ SX0 ) ) ) )
            | ( ( relation_dom @ SX1 )
             != SX0 )
            | ( SX1
              = ( identity_relation @ SX0 ) ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( function @ SX1 )
                  | ~ ( relation @ SX1 )
                  | ( SX1
                   != ( identity_relation @ SX0 ) )
                  | ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX0 )
                      | ( ( apply @ SX1 @ SX2 )
                        = SX2 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( function @ SX1 )
                  | ~ ( relation @ SX1 )
                  | ( SX1
                   != ( identity_relation @ SX0 ) )
                  | ( ( relation_dom @ SX1 )
                    = SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[814]) ).

thf(1007,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[815]) ).

thf(1008,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[816]) ).

thf(1009,plain,
    ! [SV125: $i] :
      ( ( ~ ( relation @ SV125 )
        | ~ ( ~ ! [SY693: $i,SY694: $i] :
                  ( ~ ( ~ ( ! [SY695: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY695 @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                              | ~ ( in @ SY695 @ SY693 ) )
                          | ~ ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) )
                      | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                              | ~ ( in @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ SY693 ) )
                          | ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) ) )
                  | ( SY694
                    = ( relation_image @ SV125 @ SY693 ) ) )
            | ~ ! [SY696: $i,SY697: $i] :
                  ( ( SY697
                   != ( relation_image @ SV125 @ SY696 ) )
                  | ~ ( ~ ! [SY698: $i] :
                            ( ! [SY699: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY699 @ SY698 ) @ SV125 )
                                | ~ ( in @ SY699 @ SY696 ) )
                            | ( in @ SY698 @ SY697 ) )
                      | ~ ! [SY700: $i] :
                            ( ~ ( in @ SY700 @ SY697 )
                            | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY700 ) @ SV125 )
                                | ~ ( in @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY696 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[817]) ).

thf(1010,plain,
    ! [SV126: $i] :
      ( ( ~ ( ~ ! [SY701: $i,SY702: $i] :
                  ( ~ ( relation @ SY702 )
                  | ~ ( in @ ( ordered_pair @ SV126 @ SY701 ) @ SY702 )
                  | ( in @ SV126 @ ( relation_field @ SY702 ) ) )
            | ~ ! [SY703: $i,SY704: $i] :
                  ( ~ ( relation @ SY704 )
                  | ~ ( in @ ( ordered_pair @ SV126 @ SY703 ) @ SY704 )
                  | ( in @ SY703 @ ( relation_field @ SY704 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[818]) ).

thf(1011,plain,
    ! [SV127: $i] :
      ( ( ! [SY705: $i] :
            ~ ( ~ ! [SY706: $i,SY707: $i] :
                    ( ~ ( relation @ SY707 )
                    | ~ ( in @ SV127 @ SY706 )
                    | ~ ( in @ ( ordered_pair @ SV127 @ SY705 ) @ SY707 )
                    | ( in @ ( ordered_pair @ SV127 @ SY705 ) @ ( relation_composition @ ( identity_relation @ SY706 ) @ SY707 ) ) )
              | ~ ~ ( ~ ! [SY708: $i,SY709: $i] :
                          ( ~ ( relation @ SY709 )
                          | ~ ( in @ ( ordered_pair @ SV127 @ SY705 ) @ ( relation_composition @ ( identity_relation @ SY708 ) @ SY709 ) )
                          | ( in @ SV127 @ SY708 ) )
                    | ~ ! [SY710: $i,SY711: $i] :
                          ( ~ ( relation @ SY711 )
                          | ~ ( in @ ( ordered_pair @ SV127 @ SY705 ) @ ( relation_composition @ ( identity_relation @ SY710 ) @ SY711 ) )
                          | ( in @ ( ordered_pair @ SV127 @ SY705 ) @ SY711 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[819]) ).

thf(1012,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[820]) ).

thf(1013,plain,
    ! [SV128: $i] :
      ( ( ~ ( ~ ! [SY712: $i,SY713: $i] :
                  ( ~ ( in @ SV128 @ SY713 )
                  | ~ ( in @ SY712 @ SY713 )
                  | ( subset @ ( unordered_pair @ SV128 @ SY712 ) @ SY713 ) )
            | ~ ~ ( ~ ! [SY714: $i,SY715: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV128 @ SY714 ) @ SY715 )
                        | ( in @ SV128 @ SY715 ) )
                  | ~ ! [SY716: $i,SY717: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV128 @ SY716 ) @ SY717 )
                        | ( in @ SY716 @ SY717 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[821]) ).

thf(1014,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( element @ SX1 @ SX0 )
                      | ( in @ SX1 @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( in @ SX1 @ SX0 )
                      | ( element @ SX1 @ SX0 ) ) ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( element @ SX1 @ SX0 )
                      | ( empty @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( empty @ SX1 )
                      | ( element @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[822]) ).

thf(1015,plain,
    ( ( ~ ( empty @ sK9_A )
      | ~ ( relation @ sK9_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[823]) ).

thf(1016,plain,
    ! [SV129: $i] :
      ( ( ~ ( relation @ SV129 )
        | ~ ( ~ ! [SY718: $i] :
                  ( ~ ( ~ ( ! [SY719: $i] :
                              ~ ( in @ ( ordered_pair @ SY719 @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                          | ~ ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SY718 @ SV129 ) @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                          | ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) ) )
                  | ( SY718
                    = ( relation_rng @ SV129 ) ) )
            | ~ ! [SY720: $i] :
                  ( ( SY720
                   != ( relation_rng @ SV129 ) )
                  | ~ ( ~ ! [SY721: $i] :
                            ( ! [SY722: $i] :
                                ~ ( in @ ( ordered_pair @ SY722 @ SY721 ) @ SV129 )
                            | ( in @ SY721 @ SY720 ) )
                      | ~ ! [SY723: $i] :
                            ( ~ ( in @ SY723 @ SY720 )
                            | ( in @ ( ordered_pair @ ( sK18_D @ SY723 @ SY720 @ SV129 ) @ SY723 ) @ SV129 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[824]) ).

thf(1017,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) )
      | ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[825]) ).

thf(1018,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
             != SX0 )
            | ~ ( in @ SX1 @ SX0 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( in @ SX1 @ SX0 )
            | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[826]) ).

thf(1019,plain,
    ( ( ~ ! [SX0: $i] : ( function @ ( identity_relation @ SX0 ) )
      | ~ ! [SX0: $i] : ( relation @ ( identity_relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[827]) ).

thf(1020,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK71_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[828]) ).

thf(1021,plain,
    ! [SV130: $i] :
      ( ( ! [SY724: $i] :
            ( ~ ( ~ ( in @ ( sK73_C @ SY724 @ SV130 ) @ SV130 )
                | ~ ~ ( in @ ( sK73_C @ SY724 @ SV130 ) @ SY724 ) )
            | ( element @ SV130 @ ( powerset @ SY724 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[829]) ).

thf(1022,plain,
    ! [SV131: $i] :
      ( ( ~ ( relation @ SV131 )
        | ~ ( ~ ! [SY725: $i,SY726: $i] :
                  ( ~ ( ~ ( ! [SY727: $i] :
                              ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY727 ) @ SV131 )
                              | ~ ( in @ SY727 @ SY725 ) )
                          | ~ ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) )
                      | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) ) @ SV131 )
                              | ~ ( in @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) @ SY725 ) )
                          | ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) ) )
                  | ( SY726
                    = ( relation_inverse_image @ SV131 @ SY725 ) ) )
            | ~ ! [SY728: $i,SY729: $i] :
                  ( ( SY729
                   != ( relation_inverse_image @ SV131 @ SY728 ) )
                  | ~ ( ~ ! [SY730: $i] :
                            ( ! [SY731: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY730 @ SY731 ) @ SV131 )
                                | ~ ( in @ SY731 @ SY728 ) )
                            | ( in @ SY730 @ SY729 ) )
                      | ~ ! [SY732: $i] :
                            ( ~ ( in @ SY732 @ SY729 )
                            | ~ ( ~ ( in @ ( ordered_pair @ SY732 @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) ) @ SV131 )
                                | ~ ( in @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) @ SY728 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[830]) ).

thf(1023,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != SX0 )
            | ( disjoint @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[831]) ).

thf(1024,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK68_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK68_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK66_C @ SX1 @ SX0 ) @ ( sK67_SY497 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[832]) ).

thf(1025,plain,
    ! [SV132: $i] :
      ( ( ~ ( ~ ! [SY733: $i,SY734: $i] :
                  ( ~ ( relation @ SY734 )
                  | ~ ( in @ SV132 @ SY733 )
                  | ~ ( in @ SV132 @ ( relation_dom @ SY734 ) )
                  | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY734 @ SY733 ) ) ) )
            | ~ ~ ( ~ ! [SY735: $i,SY736: $i] :
                        ( ~ ( relation @ SY736 )
                        | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY736 @ SY735 ) ) )
                        | ( in @ SV132 @ SY735 ) )
                  | ~ ! [SY737: $i,SY738: $i] :
                        ( ~ ( relation @ SY738 )
                        | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY738 @ SY737 ) ) )
                        | ( in @ SV132 @ ( relation_dom @ SY738 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[833]) ).

thf(1026,plain,
    ! [SV133: $i] :
      ( ( ~ ( ~ ! [SY739: $i,SY740: $i] :
                  ( ~ ( relation @ SY740 )
                  | ~ ( in @ ( ordered_pair @ SV133 @ SY739 ) @ SY740 )
                  | ( in @ SV133 @ ( relation_dom @ SY740 ) ) )
            | ~ ! [SY741: $i,SY742: $i] :
                  ( ~ ( relation @ SY742 )
                  | ~ ( in @ ( ordered_pair @ SV133 @ SY741 ) @ SY742 )
                  | ( in @ SY741 @ ( relation_rng @ SY742 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[834]) ).

thf(1027,plain,
    ! [SV134: $i] :
      ( ( ~ ( relation @ SV134 )
        | ~ ( ~ ! [SY743: $i] :
                  ( ~ ( ~ ( ! [SY744: $i] :
                              ~ ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ SY744 ) @ SV134 )
                          | ~ ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ ( sK23_SY466 @ SY743 @ SV134 ) ) @ SV134 )
                          | ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) ) )
                  | ( SY743
                    = ( relation_dom @ SV134 ) ) )
            | ~ ! [SY745: $i] :
                  ( ( SY745
                   != ( relation_dom @ SV134 ) )
                  | ~ ( ~ ! [SY746: $i] :
                            ( ! [SY747: $i] :
                                ~ ( in @ ( ordered_pair @ SY746 @ SY747 ) @ SV134 )
                            | ( in @ SY746 @ SY745 ) )
                      | ~ ! [SY748: $i] :
                            ( ~ ( in @ SY748 @ SY745 )
                            | ( in @ ( ordered_pair @ SY748 @ ( sK21_D @ SY748 @ SY745 @ SV134 ) ) @ SV134 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[835]) ).

thf(1028,plain,
    ! [SV135: $i] :
      ( ( ~ ( ~ ! [SY749: $i,SY750: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                                | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                                 != SV135 ) )
                            | ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                                | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                                 != SY749 ) ) )
                      | ~ ( ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                          | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                            = SV135 )
                          | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                            = SY749 ) ) )
                  | ( SY750
                    = ( unordered_pair @ SV135 @ SY749 ) ) )
            | ~ ! [SY751: $i,SY752: $i] :
                  ( ( SY752
                   != ( unordered_pair @ SV135 @ SY751 ) )
                  | ~ ( ~ ! [SY753: $i] :
                            ( ~ ( in @ SY753 @ SY752 )
                            | ( SY753 = SV135 )
                            | ( SY753 = SY751 ) )
                      | ~ ~ ( ~ ! [SY754: $i] :
                                  ( ( SY754 != SV135 )
                                  | ( in @ SY754 @ SY752 ) )
                            | ~ ! [SX3: $i] :
                                  ( ( SX3 != SY751 )
                                  | ( in @ SX3 @ SY752 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[836]) ).

thf(1029,plain,
    ( ( ( ( relation_dom @ empty_set )
       != empty_set )
      | ( ( relation_rng @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[837]) ).

thf(1030,plain,
    ! [SV136: $i] :
      ( ( ~ ( relation @ SV136 )
        | ~ ( ~ ! [SY756: $i] :
                  ( ~ ( relation @ SY756 )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                          | ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                          | ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) ) )
                  | ( SV136 = SY756 ) )
            | ~ ! [SY757: $i] :
                  ( ~ ( relation @ SY757 )
                  | ( SV136 != SY757 )
                  | ~ ( ~ ! [SY758: $i,SY759: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SV136 )
                            | ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SY757 ) )
                      | ~ ! [SY760: $i,SY761: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SY757 )
                            | ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SV136 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[838]) ).

thf(1031,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX0 )
            | ~ ( relation @ SX0 )
            | ~ ( relation @ SX1 )
            | ~ ( function @ SX1 )
            | ( function @ ( relation_composition @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX0 )
            | ~ ( relation @ SX0 )
            | ~ ( relation @ SX1 )
            | ~ ( function @ SX1 )
            | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[839]) ).

thf(1032,plain,
    ! [SV137: $i] :
      ( ( ! [SY762: $i] :
            ( ~ ( function @ SY762 )
            | ~ ( relation @ SY762 )
            | ~ ( ~ ! [SY763: $i] :
                      ( ~ ( function @ SY763 )
                      | ~ ( relation @ SY763 )
                      | ~ ( in @ SV137 @ ( relation_dom @ SY763 ) )
                      | ~ ( in @ ( apply @ SY763 @ SV137 ) @ ( relation_dom @ SY762 ) )
                      | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY763 @ SY762 ) ) ) )
                | ~ ~ ( ~ ! [SY764: $i] :
                            ( ~ ( function @ SY764 )
                            | ~ ( relation @ SY764 )
                            | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY764 @ SY762 ) ) )
                            | ( in @ SV137 @ ( relation_dom @ SY764 ) ) )
                      | ~ ! [SY765: $i] :
                            ( ~ ( function @ SY765 )
                            | ~ ( relation @ SY765 )
                            | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY765 @ SY762 ) ) )
                            | ( in @ ( apply @ SY765 @ SV137 ) @ ( relation_dom @ SY762 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[840]) ).

thf(1033,plain,
    ! [SV138: $i] :
      ( ( ~ ( ~ ! [SY766: $i] :
                  ( ~ ( subset @ SY766 @ ( sK41_B @ SV138 ) )
                  | ( are_equipotent @ SY766 @ ( sK41_B @ SV138 ) )
                  | ( in @ SY766 @ ( sK41_B @ SV138 ) ) )
            | ~ ~ ( ~ ! [SY767: $i] :
                        ( ~ ( in @ SY767 @ ( sK41_B @ SV138 ) )
                        | ( in @ ( powerset @ SY767 ) @ ( sK41_B @ SV138 ) ) )
                  | ~ ~ ( ~ ! [SY768: $i,SY769: $i] :
                              ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
                              | ~ ( subset @ SY769 @ SY768 )
                              | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
                        | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[841]) ).

thf(1034,plain,
    ! [SV139: $i] :
      ( ( ~ ( relation @ SV139 )
        | ~ ( ~ ! [SY770: $i] :
                  ( ~ ( relation @ SY770 )
                  | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SV139 )
                      | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SY770 ) )
                  | ( subset @ SV139 @ SY770 ) )
            | ~ ! [SY771: $i] :
                  ( ~ ( relation @ SY771 )
                  | ~ ( subset @ SV139 @ SY771 )
                  | ! [SY772: $i,SY773: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SV139 )
                      | ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SY771 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[842]) ).

thf(1035,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) ) )
            | ( SX1
              = ( powerset @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( powerset @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( subset @ SX2 @ SX0 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( subset @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[843]) ).

thf(1036,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( empty @ ( relation_composition @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[844]) ).

thf(1037,plain,
    ! [SV140: $i] :
      ( ( ~ ( relation @ SV140 )
        | ~ ( ~ ! [SY774: $i] :
                  ( ~ ( relation @ SY774 )
                  | ~ ( subset @ SV140 @ SY774 )
                  | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SY774 ) ) )
            | ~ ! [SY775: $i] :
                  ( ~ ( relation @ SY775 )
                  | ~ ( subset @ SV140 @ SY775 )
                  | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SY775 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[845]) ).

thf(1038,plain,
    ! [SV141: $i] :
      ( ( ( empty @ SV141 )
        | ~ ( ~ ( element @ ( sK8_B @ SV141 ) @ ( powerset @ SV141 ) )
            | ~ ~ ( empty @ ( sK8_B @ SV141 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[846]) ).

thf(1039,plain,
    ! [SV142: $i] :
      ( ( ~ ( ~ ! [SY776: $i,SY777: $i] :
                  ( ~ ( relation @ SY777 )
                  | ! [SY778: $i] :
                      ( ~ ( in @ SY778 @ ( relation_rng @ SY777 ) )
                      | ~ ( in @ ( ordered_pair @ SV142 @ SY778 ) @ SY777 )
                      | ~ ( in @ SY778 @ SY776 ) )
                  | ( in @ SV142 @ ( relation_inverse_image @ SY777 @ SY776 ) ) )
            | ~ ! [SY779: $i,SY780: $i] :
                  ( ~ ( relation @ SY780 )
                  | ~ ( in @ SV142 @ ( relation_inverse_image @ SY780 @ SY779 ) )
                  | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ ( relation_rng @ SY780 ) )
                            | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SY780 @ SY779 @ SV142 ) ) @ SY780 ) )
                      | ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ SY779 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[847]) ).

thf(1040,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ ( sK65_SY495 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) )
                          | ~ ( ! [SX2: $i] :
                                  ( ~ ( in @ SX2 @ SX0 )
                                  | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX2 ) )
                              | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ~ ( ~ ! [SX2: $i] :
                                ( ~ ( ~ ( in @ ( sK63_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ~ ( in @ SX2 @ ( sK63_D @ SX2 @ SX1 @ SX0 ) ) )
                                | ( in @ SX2 @ SX1 ) )
                          | ~ ! [SX2: $i] :
                                ( ~ ( in @ SX2 @ SX1 )
                                | ! [SX3: $i] :
                                    ( ~ ( in @ SX3 @ SX0 )
                                    | ( in @ SX2 @ SX3 ) ) ) ) ) ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ( SX1 = empty_set ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1 != empty_set )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[848]) ).

thf(1041,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
              = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
              = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[849]) ).

thf(1042,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( relation_dom @ ( identity_relation @ SX0 ) )
            = SX0 )
      | ~ ! [SX0: $i] :
            ( ( relation_rng @ ( identity_relation @ SX0 ) )
            = SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[850]) ).

thf(1043,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( proper_subset @ SX0 @ SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( SX0 != SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( subset @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[851]) ).

thf(1044,plain,
    ! [SV143: $i] :
      ( ( ! [SY781: $i] :
            ~ ( ~ ! [SY782: $i,SY783: $i] :
                    ( ~ ( in @ SV143 @ SY782 )
                    | ~ ( in @ SY781 @ SY783 )
                    | ( in @ ( ordered_pair @ SV143 @ SY781 ) @ ( cartesian_product2 @ SY782 @ SY783 ) ) )
              | ~ ~ ( ~ ! [SY784: $i] :
                          ( ! [SY785: $i] :
                              ~ ( in @ ( ordered_pair @ SV143 @ SY781 ) @ ( cartesian_product2 @ SY784 @ SY785 ) )
                          | ( in @ SV143 @ SY784 ) )
                    | ~ ! [SY786: $i,SY787: $i] :
                          ( ~ ( in @ ( ordered_pair @ SV143 @ SY781 ) @ ( cartesian_product2 @ SY786 @ SY787 ) )
                          | ( in @ SY781 @ SY787 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[852]) ).

thf(1045,plain,
    ! [SV144: $i] :
      ( ( ~ ( ~ ! [SY788: $i,SY789: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                                | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 ) )
                            | ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                                | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
                      | ~ ( ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                          | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 )
                          | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
                  | ( SY789
                    = ( set_union2 @ SV144 @ SY788 ) ) )
            | ~ ! [SY790: $i,SY791: $i] :
                  ( ( SY791
                   != ( set_union2 @ SV144 @ SY790 ) )
                  | ~ ( ~ ! [SY792: $i] :
                            ( ~ ( in @ SY792 @ SY791 )
                            | ( in @ SY792 @ SV144 )
                            | ( in @ SY792 @ SY790 ) )
                      | ~ ~ ( ~ ! [SY793: $i] :
                                  ( ~ ( in @ SY793 @ SV144 )
                                  | ( in @ SY793 @ SY791 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY790 )
                                  | ( in @ SX3 @ SY791 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[853]) ).

thf(1046,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[854]) ).

thf(1047,plain,
    ! [SV145: $i] :
      ( ( ~ ( ~ ! [SY795: $i,SY796: $i] :
                  ( ~ ( relation @ SY796 )
                  | ! [SY797: $i] :
                      ( ~ ( in @ SY797 @ ( relation_dom @ SY796 ) )
                      | ~ ( in @ ( ordered_pair @ SY797 @ SV145 ) @ SY796 )
                      | ~ ( in @ SY797 @ SY795 ) )
                  | ( in @ SV145 @ ( relation_image @ SY796 @ SY795 ) ) )
            | ~ ! [SY798: $i,SY799: $i] :
                  ( ~ ( relation @ SY799 )
                  | ~ ( in @ SV145 @ ( relation_image @ SY799 @ SY798 ) )
                  | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ ( relation_dom @ SY799 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SV145 ) @ SY799 ) )
                      | ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SY798 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[855]) ).

thf(1048,plain,
    ! [SV146: $i] :
      ( ( ~ ( ~ ! [SY800: $i] :
                  ( ~ ( subset @ SV146 @ SY800 )
                  | ! [SY801: $i] : ( subset @ ( cartesian_product2 @ SV146 @ SY801 ) @ ( cartesian_product2 @ SY800 @ SY801 ) ) )
            | ~ ! [SY802: $i] :
                  ( ~ ( subset @ SV146 @ SY802 )
                  | ! [SY803: $i] : ( subset @ ( cartesian_product2 @ SY803 @ SV146 ) @ ( cartesian_product2 @ SY803 @ SY802 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[856]) ).

thf(1049,plain,
    ! [SV147: $i] :
      ( ( ! [SY804: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK44_C @ SY804 @ SV147 ) @ SV147 )
                    | ~ ( in @ ( sK44_C @ SY804 @ SV147 ) @ SY804 ) )
                | ~ ( ( in @ ( sK44_C @ SY804 @ SV147 ) @ SV147 )
                    | ( in @ ( sK44_C @ SY804 @ SV147 ) @ SY804 ) ) )
            | ( SV147 = SY804 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[857]) ).

thf(1050,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[858]) ).

thf(1051,plain,
    ! [SV148: $i] :
      ( ( ! [SY805: $i] :
            ~ ( ~ ! [SY806: $i] :
                    ( ! [SY807: $i] :
                        ( ( ordered_pair @ SV148 @ SY805 )
                       != ( ordered_pair @ SY806 @ SY807 ) )
                    | ( SV148 = SY806 ) )
              | ~ ! [SY808: $i,SY809: $i] :
                    ( ( ( ordered_pair @ SV148 @ SY805 )
                     != ( ordered_pair @ SY808 @ SY809 ) )
                    | ( SY805 = SY809 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[859]) ).

thf(1052,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[860]) ).

thf(1053,plain,
    ( ( ~ ~ ( empty @ sK6_A )
      | ~ ( relation @ sK6_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[861]) ).

thf(1054,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
             != empty_set )
            | ( SX0 = empty_set ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
             != empty_set )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[862]) ).

thf(1055,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_rng @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[863]) ).

thf(1056,plain,
    ! [SV149: $i] :
      ( ( ~ ( ~ ! [SY810: $i,SY811: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                          | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                          | ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                                | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                            | ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                                | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) ) ) )
                  | ( SY811
                    = ( set_difference @ SV149 @ SY810 ) ) )
            | ~ ! [SY812: $i,SY813: $i] :
                  ( ( SY813
                   != ( set_difference @ SV149 @ SY812 ) )
                  | ~ ( ~ ! [SY814: $i] :
                            ( ~ ( in @ SY814 @ SV149 )
                            | ( in @ SY814 @ SY812 )
                            | ( in @ SY814 @ SY813 ) )
                      | ~ ~ ( ~ ! [SY815: $i] :
                                  ( ~ ( in @ SY815 @ SY813 )
                                  | ( in @ SY815 @ SV149 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY813 )
                                  | ~ ( in @ SX3 @ SY812 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[864]) ).

thf(1057,plain,
    ! [SV150: $i,SV1: $i] :
      ( ( ~ ( in @ SV1 @ SV150 )
        | ( ( set_union2 @ ( singleton @ SV1 ) @ SV150 )
          = SV150 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[865]) ).

thf(1058,plain,
    ! [SV151: $i,SV2: $i] :
      ( ( ~ ( disjoint @ ( singleton @ SV2 ) @ SV151 )
        | ~ ( in @ SV2 @ SV151 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[866]) ).

thf(1059,plain,
    ! [SV152: $i,SV3: $i] :
      ( ( ( in @ SV3 @ SV152 )
        | ( disjoint @ ( singleton @ SV3 ) @ SV152 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[867]) ).

thf(1060,plain,
    ! [SV4: $i,SV153: $i] :
      ( ( ~ ( element @ SV153 @ ( powerset @ SV4 ) )
        | ! [SY817: $i] :
            ( ~ ( in @ SY817 @ SV153 )
            | ( in @ SY817 @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[868]) ).

thf(1061,plain,
    ! [SV154: $i,SV5: $i] :
      ( ( ~ ( in @ SV5 @ SV154 )
        | ( subset @ SV5 @ ( union @ SV154 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[869]) ).

thf(1062,plain,
    ! [SV155: $i,SV6: $i] :
      ( ( ~ ( in @ SV6 @ SV155 )
        | ( ( set_union2 @ ( singleton @ SV6 ) @ SV155 )
          = SV155 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[870]) ).

thf(1063,plain,
    ! [SV156: $i,SV7: $i] :
      ( ( ~ ( in @ SV7 @ SV156 )
        | ( subset @ SV7 @ ( union @ SV156 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[871]) ).

thf(1064,plain,
    ! [SV157: $i,SV8: $i] :
      ( ( ~ ( in @ SV8 @ SV157 )
        | ~ ( in @ SV157 @ SV8 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[872]) ).

thf(1065,plain,
    ! [SV158: $i,SV10: $i] :
      ( ( ~ ( in @ SV10 @ SV158 )
        | ( element @ SV10 @ SV158 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[874]) ).

thf(1066,plain,
    ! [SV159: $i,SV11: $i] :
      ( ( ~ ( element @ SV11 @ SV159 )
        | ( empty @ SV159 )
        | ( in @ SV11 @ SV159 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[875]) ).

thf(1067,plain,
    ! [SV12: $i,SV160: $i] :
      ( ( ! [SY818: $i] :
            ( ~ ( element @ SV160 @ ( powerset @ SY818 ) )
            | ~ ( in @ SV12 @ SV160 )
            | ( element @ SV12 @ SY818 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[876]) ).

thf(1068,plain,
    ! [SV13: $i,SV161: $i] :
      ( ( ~ ( empty @ SV161 )
        | ~ ( in @ SV13 @ SV161 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[877]) ).

thf(1069,plain,
    ! [SV14: $i] :
      ( ( ( singleton @ SV14 )
        = empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[878]) ).

thf(1070,plain,
    ! [SV162: $i,SV15: $i] :
      ( ( ~ ( subset @ SV15 @ SV162 )
        | ! [SY819: $i] :
            ( ( in @ SY819 @ SV15 )
            | ( subset @ SV15 @ ( set_difference @ SV162 @ ( singleton @ SY819 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[879]) ).

thf(1071,plain,
    ! [SV163: $i,SV16: $i] :
      ( ( ! [SY820: $i,SY821: $i] :
            ( ( SV16 = SY821 )
            | ( SV16 = SY820 )
            | ( ( unordered_pair @ SV16 @ SV163 )
             != ( unordered_pair @ SY820 @ SY821 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[880]) ).

thf(1072,plain,
    ! [SV17: $i,SV164: $i] :
      ( ( ~ ( relation @ SV164 )
        | ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV17 @ SV164 ) ) @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[881]) ).

thf(1073,plain,
    ! [SV18: $i,SV165: $i] :
      ( ( ~ ( relation @ SV165 )
        | ( subset @ ( relation_rng_restriction @ SV18 @ SV165 ) @ SV165 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[882]) ).

thf(1074,plain,
    ! [SV19: $i,SV166: $i] :
      ( ( ~ ( relation @ SV166 )
        | ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV19 @ SV166 ) ) @ ( relation_rng @ SV166 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[883]) ).

thf(1075,plain,
    ! [SV20: $i,SV167: $i] :
      ( ( ~ ( relation @ SV167 )
        | ( ( relation_rng @ ( relation_rng_restriction @ SV20 @ SV167 ) )
          = ( set_intersection2 @ ( relation_rng @ SV167 ) @ SV20 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[884]) ).

thf(1076,plain,
    ! [SV168: $i,SV21: $i] :
      ( ( ! [SY822: $i,SY823: $i] :
            ( ~ ( subset @ SV21 @ SV168 )
            | ~ ( subset @ SY822 @ SY823 )
            | ( subset @ ( cartesian_product2 @ SV21 @ SY822 ) @ ( cartesian_product2 @ SV168 @ SY823 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[885]) ).

thf(1077,plain,
    ! [SV169: $i,SV22: $i] :
      ( ( ~ ( subset @ SV22 @ SV169 )
        | ( ( set_union2 @ SV22 @ SV169 )
          = SV169 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[886]) ).

thf(1078,plain,
    ! [SV23: $i,SV170: $i] :
      ( ( ~ ( relation @ SV170 )
        | ( subset @ ( relation_image @ SV170 @ SV23 ) @ ( relation_rng @ SV170 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[887]) ).

thf(1079,plain,
    ! [SV24: $i,SV171: $i] :
      ( ( ~ ( relation @ SV171 )
        | ( ( relation_image @ SV171 @ SV24 )
          = ( relation_image @ SV171 @ ( set_intersection2 @ ( relation_dom @ SV171 ) @ SV24 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[888]) ).

thf(1080,plain,
    ! [SV25: $i] :
      ( ( ( ~ ( relation @ SV25 ) )
        = $true )
      | ( ( ( relation_image @ SV25 @ ( relation_dom @ SV25 ) )
          = ( relation_rng @ SV25 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[889]) ).

thf(1081,plain,
    ! [SV26: $i,SV172: $i] :
      ( ( ~ ( relation @ SV172 )
        | ( subset @ ( relation_inverse_image @ SV172 @ SV26 ) @ ( relation_dom @ SV172 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[890]) ).

thf(1082,plain,
    ! [SV27: $i,SV173: $i] :
      ( ( ~ ( relation @ SV173 )
        | ( SV27 = empty_set )
        | ~ ( subset @ SV27 @ ( relation_rng @ SV173 ) )
        | ( ( relation_inverse_image @ SV173 @ SV27 )
         != empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[891]) ).

thf(1083,plain,
    ! [SV174: $i,SV28: $i] :
      ( ( ! [SY824: $i] :
            ( ~ ( relation @ SY824 )
            | ~ ( subset @ SV28 @ SV174 )
            | ( subset @ ( relation_inverse_image @ SY824 @ SV28 ) @ ( relation_inverse_image @ SY824 @ SV174 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[892]) ).

thf(1084,plain,
    ! [SV175: $i,SV29: $i] :
      ( ( subset @ ( set_intersection2 @ SV29 @ SV175 ) @ SV29 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[893]) ).

thf(1085,plain,
    ! [SV176: $i,SV30: $i] :
      ( ( ! [SY825: $i] :
            ( ~ ( subset @ SV30 @ SV176 )
            | ~ ( subset @ SV30 @ SY825 )
            | ( subset @ SV30 @ ( set_intersection2 @ SV176 @ SY825 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[894]) ).

thf(1086,plain,
    ! [SV177: $i,SV31: $i] :
      ( ( ! [SY826: $i] :
            ( ~ ( subset @ SV31 @ SV177 )
            | ~ ( subset @ SV177 @ SY826 )
            | ( subset @ SV31 @ SY826 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[895]) ).

thf(1087,plain,
    ! [SV32: $i] :
      ( ( ( ~ ( relation @ SV32 ) )
        = $true )
      | ( ( subset @ SV32 @ ( cartesian_product2 @ ( relation_dom @ SV32 ) @ ( relation_rng @ SV32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[896]) ).

thf(1088,plain,
    ! [SV33: $i,SV178: $i] :
      ( ( ~ ( function @ SV178 )
        | ~ ( relation @ SV178 )
        | ! [SY827: $i] :
            ( ~ ( function @ SY827 )
            | ~ ( relation @ SY827 )
            | ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SY827 @ SV178 ) ) )
            | ( ( apply @ ( relation_composition @ SY827 @ SV178 ) @ SV33 )
              = ( apply @ SV178 @ ( apply @ SY827 @ SV33 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[897]) ).

thf(1089,plain,
    ! [SV34: $i,SV179: $i] :
      ( ( ~ ( function @ SV179 )
        | ~ ( relation @ SV179 )
        | ! [SY828: $i] :
            ( ~ ( function @ SY828 )
            | ~ ( relation @ SY828 )
            | ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
            | ( ( apply @ ( relation_composition @ SV179 @ SY828 ) @ SV34 )
              = ( apply @ SY828 @ ( apply @ SV179 @ SV34 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[898]) ).

thf(1090,plain,
    ! [SV180: $i,SV35: $i] :
      ( ( ~ ( subset @ SV35 @ SV180 )
        | ! [SY829: $i] : ( subset @ ( set_intersection2 @ SV35 @ SY829 ) @ ( set_intersection2 @ SV180 @ SY829 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[899]) ).

thf(1091,plain,
    ! [SV181: $i,SV36: $i] :
      ( ( ~ ( subset @ SV36 @ SV181 )
        | ( ( set_intersection2 @ SV36 @ SV181 )
          = SV36 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[900]) ).

thf(1092,plain,
    ! [SV182: $i,SV38: $i] :
      ( ( ~ ( subset @ SV38 @ SV182 )
        | ! [SY830: $i] : ( subset @ ( set_difference @ SV38 @ SY830 ) @ ( set_difference @ SV182 @ SY830 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[902]) ).

thf(1093,plain,
    ! [SV183: $i,SV39: $i] :
      ( ( subset @ ( set_difference @ SV39 @ SV183 ) @ SV39 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[903]) ).

thf(1094,plain,
    ! [SV184: $i,SV40: $i] :
      ( ( ( set_union2 @ SV40 @ ( set_difference @ SV184 @ SV40 ) )
        = ( set_union2 @ SV40 @ SV184 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[904]) ).

thf(1095,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( subset @ SV41 @ empty_set ) )
        = $true )
      | ( ( SV41 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[905]) ).

thf(1096,plain,
    ! [SV185: $i,SV42: $i] :
      ( ( ( set_difference @ ( set_union2 @ SV42 @ SV185 ) @ SV185 )
        = ( set_difference @ SV42 @ SV185 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[906]) ).

thf(1097,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( relation @ SV43 ) )
        = $true )
      | ( ( ! [SY551: $i] :
              ( ~ ( relation @ SY551 )
              | ( subset @ ( relation_dom @ ( relation_composition @ SV43 @ SY551 ) ) @ ( relation_dom @ SV43 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[907]) ).

thf(1098,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( relation @ SV44 ) )
        = $true )
      | ( ( ! [SY552: $i] :
              ( ~ ( relation @ SY552 )
              | ( subset @ ( relation_rng @ ( relation_composition @ SV44 @ SY552 ) ) @ ( relation_rng @ SY552 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[908]) ).

thf(1099,plain,
    ! [SV186: $i,SV45: $i] :
      ( ( ~ ( subset @ SV45 @ SV186 )
        | ( SV186
          = ( set_union2 @ SV45 @ ( set_difference @ SV186 @ SV45 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[909]) ).

thf(1100,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( relation @ SV46 ) )
        = $true )
      | ( ( ! [SY554: $i] :
              ( ~ ( relation @ SY554 )
              | ~ ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SY554 ) )
              | ( ( relation_dom @ ( relation_composition @ SV46 @ SY554 ) )
                = ( relation_dom @ SV46 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[910]) ).

thf(1101,plain,
    ! [SV47: $i,SV187: $i] :
      ( ( ~ ( element @ SV187 @ ( powerset @ ( powerset @ SV47 ) ) )
        | ( SV187 = empty_set )
        | ( ( complements_of_subsets @ SV47 @ SV187 )
         != empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[911]) ).

thf(1102,plain,
    ! [SV48: $i] :
      ( ( ( ~ ( relation @ SV48 ) )
        = $true )
      | ( ( ! [SY556: $i] :
              ( ~ ( relation @ SY556 )
              | ~ ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SY556 ) )
              | ( ( relation_rng @ ( relation_composition @ SY556 @ SV48 ) )
                = ( relation_rng @ SV48 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[912]) ).

thf(1103,plain,
    ! [SV188: $i,SV49: $i] :
      ( ( ( set_difference @ SV49 @ ( set_difference @ SV49 @ SV188 ) )
        = ( set_intersection2 @ SV49 @ SV188 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[913]) ).

thf(1104,plain,
    ! [SV50: $i] :
      ( ( ( SV50 = empty_set )
        = $true )
      | ( ( ! [SY558: $i] :
              ( ~ ( element @ SY558 @ ( powerset @ SV50 ) )
              | ! [SY559: $i] :
                  ( ~ ( element @ SY559 @ SV50 )
                  | ( in @ SY559 @ SY558 )
                  | ( in @ SY559 @ ( subset_complement @ SV50 @ SY558 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[914]) ).

thf(1105,plain,
    ! [SV189: $i,SV51: $i] :
      ( ( ! [SY831: $i] :
            ( ~ ( element @ SY831 @ ( powerset @ SV51 ) )
            | ~ ( in @ SV189 @ ( subset_complement @ SV51 @ SY831 ) )
            | ~ ( in @ SV189 @ SY831 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[915]) ).

thf(1106,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( relation @ SV52 ) )
        = $true )
      | ( ( ( in @ ( ordered_pair @ ( sK36_B @ SV52 ) @ ( sK37_SY474 @ SV52 ) ) @ SV52 )
          | ( SV52 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[916]) ).

thf(1107,plain,
    ! [SV53: $i,SV190: $i] :
      ( ( ~ ( proper_subset @ SV190 @ SV53 )
        | ~ ( subset @ SV53 @ SV190 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[917]) ).

thf(1108,plain,
    ! [SV54: $i,SV191: $i] :
      ( ( ! [SY832: $i] :
            ( ~ ( disjoint @ SV191 @ SY832 )
            | ~ ( subset @ SV54 @ SV191 )
            | ( disjoint @ SV54 @ SY832 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[918]) ).

thf(1109,plain,
    ! [SV192: $i,SV56: $i] :
      ( ( ~ ( subset @ ( singleton @ SV56 ) @ ( singleton @ SV192 ) )
        | ( SV56 = SV192 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[920]) ).

thf(1110,plain,
    ! [SV193: $i,SV57: $i] :
      ( ( subset @ SV57 @ ( set_union2 @ SV57 @ SV193 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[921]) ).

thf(1111,plain,
    ! [SV58: $i,SV194: $i] :
      ( ( ~ ( relation @ SV194 )
        | ( subset @ ( relation_dom_restriction @ SV194 @ SV58 ) @ SV194 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[922]) ).

thf(1112,plain,
    ! [SV195: $i,SV59: $i] :
      ( ( ! [SY833: $i] :
            ( ~ ( subset @ SV59 @ SV195 )
            | ~ ( subset @ SY833 @ SV195 )
            | ( subset @ ( set_union2 @ SV59 @ SY833 ) @ SV195 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[923]) ).

thf(1113,plain,
    ! [SV196: $i,SV60: $i] :
      ( ( ! [SY834: $i] :
            ( ( singleton @ SV60 )
           != ( unordered_pair @ SV196 @ SY834 ) )
        | ( SV60 = SV196 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[924]) ).

thf(1114,plain,
    ! [SV61: $i,SV197: $i] :
      ( ( ~ ( relation @ SV197 )
        | ( ( relation_dom @ ( relation_dom_restriction @ SV197 @ SV61 ) )
          = ( set_intersection2 @ ( relation_dom @ SV197 ) @ SV61 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[925]) ).

thf(1115,plain,
    ! [SV62: $i,SV198: $i] :
      ( ( ~ ( relation @ SV198 )
        | ( subset @ ( relation_rng @ ( relation_dom_restriction @ SV198 @ SV62 ) ) @ ( relation_rng @ SV198 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[926]) ).

thf(1116,plain,
    ! [SV199: $i,SV64: $i] :
      ( ( ! [SY835: $i] :
            ( ( ( singleton @ SV64 )
             != ( unordered_pair @ SV199 @ SY835 ) )
            | ( SV199 = SY835 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[928]) ).

thf(1117,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( empty @ SV65 ) )
        = $true )
      | ( ( function @ SV65 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[929]) ).

thf(1118,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( empty @ SV66 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[930]) ).

thf(1119,plain,
    ! [SV200: $i,SV67: $i] :
      ( ( ( unordered_pair @ SV67 @ SV200 )
        = ( unordered_pair @ SV200 @ SV67 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[931]) ).

thf(1120,plain,
    ! [SV201: $i,SV68: $i] :
      ( ( ( set_union2 @ SV68 @ SV201 )
        = ( set_union2 @ SV201 @ SV68 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[932]) ).

thf(1121,plain,
    ! [SV202: $i,SV69: $i] :
      ( ( ( set_intersection2 @ SV69 @ SV202 )
        = ( set_intersection2 @ SV202 @ SV69 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[933]) ).

thf(1122,plain,
    ! [SV70: $i,SV203: $i] :
      ( ( ~ ( element @ SV203 @ ( powerset @ SV70 ) )
        | ( ( subset_complement @ SV70 @ SV203 )
          = ( set_difference @ SV70 @ SV203 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[934]) ).

thf(1123,plain,
    ! [SV204: $i,SV71: $i] :
      ( ( ( ordered_pair @ SV71 @ SV204 )
        = ( unordered_pair @ ( unordered_pair @ SV71 @ SV204 ) @ ( singleton @ SV71 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[935]) ).

thf(1124,plain,
    ! [SV72: $i] :
      ( ( ( ~ ( relation @ SV72 ) )
        = $true )
      | ( ( ( relation_field @ SV72 )
          = ( set_union2 @ ( relation_dom @ SV72 ) @ ( relation_rng @ SV72 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[936]) ).

thf(1125,plain,
    ! [SV74: $i,SV205: $i] :
      ( ( ~ ( element @ SV205 @ ( powerset @ SV74 ) )
        | ( element @ ( subset_complement @ SV74 @ SV205 ) @ ( powerset @ SV74 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[938]) ).

thf(1126,plain,
    ! [SV75: $i] :
      ( ( ( ~ ( relation @ SV75 ) )
        = $true )
      | ( ( relation @ ( relation_inverse @ SV75 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[939]) ).

thf(1127,plain,
    ! [SV206: $i,SV76: $i] :
      ( ( ~ ( relation @ SV76 )
        | ~ ( relation @ SV206 )
        | ( relation @ ( relation_composition @ SV76 @ SV206 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[940]) ).

thf(1128,plain,
    ! [SV77: $i,SV207: $i] :
      ( ( ~ ( element @ SV207 @ ( powerset @ ( powerset @ SV77 ) ) )
        | ( element @ ( union_of_subsets @ SV77 @ SV207 ) @ ( powerset @ SV77 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[941]) ).

thf(1129,plain,
    ! [SV78: $i,SV208: $i] :
      ( ( ~ ( element @ SV208 @ ( powerset @ ( powerset @ SV78 ) ) )
        | ( element @ ( meet_of_subsets @ SV78 @ SV208 ) @ ( powerset @ SV78 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[942]) ).

thf(1130,plain,
    ! [SV79: $i,SV209: $i] :
      ( ( ! [SY836: $i] :
            ( ~ ( element @ SV209 @ ( powerset @ SV79 ) )
            | ~ ( element @ SY836 @ ( powerset @ SV79 ) )
            | ( element @ ( subset_difference @ SV79 @ SV209 @ SY836 ) @ ( powerset @ SV79 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[943]) ).

thf(1131,plain,
    ! [SV80: $i] :
      ( ( ( ~ ( relation @ SV80 ) )
        = $true )
      | ( ( ! [SY587: $i] : ( relation @ ( relation_dom_restriction @ SV80 @ SY587 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[944]) ).

thf(1132,plain,
    ! [SV81: $i,SV210: $i] :
      ( ( ~ ( element @ SV210 @ ( powerset @ ( powerset @ SV81 ) ) )
        | ( element @ ( complements_of_subsets @ SV81 @ SV210 ) @ ( powerset @ ( powerset @ SV81 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[945]) ).

thf(1133,plain,
    ! [SV82: $i,SV211: $i] :
      ( ( ~ ( relation @ SV211 )
        | ( relation @ ( relation_rng_restriction @ SV82 @ SV211 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[946]) ).

thf(1134,plain,
    ! [SV212: $i,SV84: $i] :
      ( ( ~ ( relation @ SV84 )
        | ~ ( relation @ SV212 )
        | ( relation @ ( set_intersection2 @ SV84 @ SV212 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[948]) ).

thf(1135,plain,
    ! [SV85: $i] :
      ( ( empty @ ( powerset @ SV85 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[949]) ).

thf(1136,plain,
    ! [SV213: $i,SV86: $i] :
      ( ( ~ ( empty @ ( ordered_pair @ SV86 @ SV213 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[950]) ).

thf(1137,plain,
    ! [SV214: $i,SV87: $i] :
      ( ( ~ ( relation @ SV87 )
        | ~ ( relation @ SV214 )
        | ( relation @ ( set_union2 @ SV87 @ SV214 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[951]) ).

thf(1138,plain,
    ! [SV88: $i] :
      ( ( empty @ ( singleton @ SV88 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[952]) ).

thf(1139,plain,
    ! [SV89: $i] :
      ( ( ( empty @ SV89 )
        = $true )
      | ( ( ! [SY593: $i] :
              ~ ( empty @ ( set_union2 @ SV89 @ SY593 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[953]) ).

thf(1140,plain,
    ! [SV215: $i,SV90: $i] :
      ( ( ~ ( empty @ ( unordered_pair @ SV90 @ SV215 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[954]) ).

thf(1141,plain,
    ! [SV91: $i] :
      ( ( ( empty @ SV91 )
        = $true )
      | ( ( ! [SY595: $i] :
              ~ ( empty @ ( set_union2 @ SY595 @ SV91 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[955]) ).

thf(1142,plain,
    ! [SV216: $i,SV92: $i] :
      ( ( ( empty @ SV92 )
        | ( empty @ SV216 )
        | ~ ( empty @ ( cartesian_product2 @ SV92 @ SV216 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[956]) ).

thf(1143,plain,
    ! [SV93: $i] :
      ( ( ( ( empty @ SV93 )
          | ~ ( relation @ SV93 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV93 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[957]) ).

thf(1144,plain,
    ! [SV94: $i] :
      ( ( ( ( empty @ SV94 )
          | ~ ( relation @ SV94 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[958]) ).

thf(1145,plain,
    ! [SV97: $i,SV217: $i] :
      ( ( ~ ( element @ SV217 @ ( powerset @ SV97 ) )
        | ( ( subset_complement @ SV97 @ ( subset_complement @ SV97 @ SV217 ) )
          = SV217 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[961]) ).

thf(1146,plain,
    ! [SV98: $i] :
      ( ( ( ~ ( relation @ SV98 ) )
        = $true )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV98 ) )
          = SV98 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[962]) ).

thf(1147,plain,
    ! [SV99: $i,SV218: $i] :
      ( ( ~ ( element @ SV218 @ ( powerset @ ( powerset @ SV99 ) ) )
        | ( ( complements_of_subsets @ SV99 @ ( complements_of_subsets @ SV99 @ SV218 ) )
          = SV218 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[963]) ).

thf(1148,plain,
    ! [SV100: $i,SV219: $i] :
      ( ( ~ ( element @ SV219 @ ( powerset @ ( powerset @ SV100 ) ) )
        | ( ( union_of_subsets @ SV100 @ SV219 )
          = ( union @ SV219 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[965]) ).

thf(1149,plain,
    ! [SV101: $i,SV220: $i] :
      ( ( ~ ( element @ SV220 @ ( powerset @ ( powerset @ SV101 ) ) )
        | ( ( meet_of_subsets @ SV101 @ SV220 )
          = ( set_meet @ SV220 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[966]) ).

thf(1150,plain,
    ! [SV102: $i,SV221: $i] :
      ( ( ! [SY837: $i] :
            ( ~ ( element @ SV221 @ ( powerset @ SV102 ) )
            | ~ ( element @ SY837 @ ( powerset @ SV102 ) )
            | ( ( subset_difference @ SV102 @ SV221 @ SY837 )
              = ( set_difference @ SV221 @ SY837 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[967]) ).

thf(1151,plain,
    ! [SV222: $i,SV104: $i] :
      ( ( ~ ( disjoint @ SV104 @ SV222 )
        | ( disjoint @ SV222 @ SV104 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[969]) ).

thf(1152,plain,
    ! [SV109: $i,SV223: $i] :
      ( ( ! [SY838: $i] :
            ( ~ ( element @ SV223 @ ( powerset @ SY838 ) )
            | ~ ( in @ SV109 @ SV223 )
            | ~ ( empty @ SY838 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[974]) ).

thf(1153,plain,
    ! [SV110: $i] :
      ( ( ( ~ ( empty @ SV110 ) )
        = $true )
      | ( ( SV110 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[975]) ).

thf(1154,plain,
    ! [SV224: $i,SV111: $i] :
      ( ( ( SV111 = SV224 )
        | ~ ( empty @ SV111 )
        | ~ ( empty @ SV224 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[976]) ).

thf(1155,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY607: $i,SY608: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                      | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                      | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                            | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                        | ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                            | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) ) ) )
              | ( SY608
                = ( set_intersection2 @ SV112 @ SY607 ) ) )
        | ~ ! [SY609: $i,SY610: $i] :
              ( ( SY610
               != ( set_intersection2 @ SV112 @ SY609 ) )
              | ~ ( ~ ! [SY611: $i] :
                        ( ~ ( in @ SY611 @ SV112 )
                        | ~ ( in @ SY611 @ SY609 )
                        | ( in @ SY611 @ SY610 ) )
                  | ~ ~ ( ~ ! [SY612: $i] :
                              ( ~ ( in @ SY612 @ SY610 )
                              | ( in @ SY612 @ SV112 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY610 )
                              | ( in @ SX3 @ SY609 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[978]) ).

thf(1156,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ! [SX2: $i] :
                        ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX2 )
                        | ~ ( in @ SX2 @ SX0 ) )
                    | ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ~ ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ ( sK48_SY487 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK48_SY487 @ SX1 @ SX0 ) @ SX0 ) )
                    | ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[979]) ).

thf(1157,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( union @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ! [SX3: $i] :
                          ( ~ ( in @ SX2 @ SX3 )
                          | ~ ( in @ SX3 @ SX0 ) )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ~ ( ~ ( in @ SX2 @ ( sK46_D @ SX2 @ SX1 @ SX0 ) )
                          | ~ ( in @ ( sK46_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[979]) ).

thf(1158,plain,
    ! [SV113: $i,SV225: $i] :
      ( ( ~ ( relation @ SV225 )
        | ~ ( ~ ! [SY839: $i] :
                  ( ~ ( relation @ SY839 )
                  | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                          | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                          | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                                | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                            | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                                | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) ) ) )
                  | ( SY839
                    = ( relation_rng_restriction @ SV113 @ SV225 ) ) )
            | ~ ! [SY840: $i] :
                  ( ~ ( relation @ SY840 )
                  | ( SY840
                   != ( relation_rng_restriction @ SV113 @ SV225 ) )
                  | ~ ( ~ ! [SY841: $i,SY842: $i] :
                            ( ~ ( in @ SY842 @ SV113 )
                            | ~ ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SV225 )
                            | ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SY840 ) )
                      | ~ ~ ( ~ ! [SY619: $i,SY620: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY619 @ SY620 ) @ SY840 )
                                  | ( in @ SY620 @ SV113 ) )
                            | ~ ! [SY845: $i,SY846: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SY840 )
                                  | ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SV225 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[980]) ).

thf(1159,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( empty @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[981]) ).

thf(1160,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( relation @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[981]) ).

thf(1161,plain,
    ( ( ~ ( relation @ sK3_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[982]) ).

thf(1162,plain,
    ( ( ~ ( relation_empty_yielding @ sK3_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[982]) ).

thf(1163,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ( ~ ! [SY847: $i,SY848: $i] :
                  ( ~ ( in @ SV114 @ SY847 )
                  | ~ ( in @ SV226 @ SY848 )
                  | ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY847 @ SY848 ) ) )
            | ~ ~ ( ~ ! [SY849: $i] :
                        ( ! [SY850: $i] :
                            ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY849 @ SY850 ) )
                        | ( in @ SV114 @ SY849 ) )
                  | ~ ! [SY851: $i,SY852: $i] :
                        ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY851 @ SY852 ) )
                        | ( in @ SV226 @ SY852 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[983]) ).

thf(1164,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[984]) ).

thf(1165,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[984]) ).

thf(1166,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK62_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK62_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[985]) ).

thf(1167,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[985]) ).

thf(1168,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK61_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[986]) ).

thf(1169,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[986]) ).

thf(1170,plain,
    ! [SV115: $i] :
      ( ( ~ ! [SY630: $i] :
              ( ~ ( subset @ SY630 @ ( sK42_B @ SV115 ) )
              | ( are_equipotent @ SY630 @ ( sK42_B @ SV115 ) )
              | ( in @ SY630 @ ( sK42_B @ SV115 ) ) )
        | ~ ~ ( ~ ! [SY631: $i] :
                    ( ~ ( ~ ! [SY632: $i] :
                              ( ~ ( subset @ SY632 @ SY631 )
                              | ( in @ SY632 @ ( sK43_SY481 @ SY631 @ SV115 ) ) )
                        | ~ ( in @ ( sK43_SY481 @ SY631 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
                    | ~ ( in @ SY631 @ ( sK42_B @ SV115 ) ) )
              | ~ ~ ( ~ ! [SY633: $i,SY634: $i] :
                          ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
                          | ~ ( subset @ SY634 @ SY633 )
                          | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
                    | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[987]) ).

thf(1171,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[988]) ).

thf(1172,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[988]) ).

thf(1173,plain,
    ! [SV116: $i] :
      ( ( ( ~ ( function @ SV116 )
          | ~ ( relation @ SV116 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ! [SY635: $i] :
                          ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                          | ! [SY636: $i] :
                              ( ( SY636
                               != ( apply @ SV116 @ SY635 ) )
                              | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
                    | ~ ! [SY637: $i] :
                          ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                          | ! [SY638: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                              | ( SY638
                                = ( apply @ SV116 @ SY637 ) ) ) ) )
              | ~ ~ ( ~ ! [SY639: $i] :
                          ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                          | ! [SY640: $i] :
                              ( ( SY640
                               != ( apply @ SV116 @ SY639 ) )
                              | ( SY640 = empty_set ) ) )
                    | ~ ! [SY641: $i] :
                          ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                          | ! [SY642: $i] :
                              ( ( SY642 != empty_set )
                              | ( SY642
                                = ( apply @ SV116 @ SY641 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[989]) ).

thf(1174,plain,
    ! [SV117: $i] :
      ( ( ~ ! [SY643: $i,SY644: $i] :
              ( ~ ( ~ ( ! [SY645: $i,SY646: $i] :
                          ( ~ ( in @ SY645 @ SV117 )
                          | ~ ( in @ SY646 @ SY643 )
                          | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                           != ( ordered_pair @ SY645 @ SY646 ) ) )
                      | ~ ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) )
                  | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ SV117 )
                                | ~ ( in @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) @ SY643 ) )
                          | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                           != ( ordered_pair @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) ) ) )
                      | ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) ) )
              | ( SY644
                = ( cartesian_product2 @ SV117 @ SY643 ) ) )
        | ~ ! [SY647: $i,SY648: $i] :
              ( ( SY648
               != ( cartesian_product2 @ SV117 @ SY647 ) )
              | ~ ( ~ ! [SY649: $i] :
                        ( ! [SY650: $i,SY651: $i] :
                            ( ~ ( in @ SY650 @ SV117 )
                            | ~ ( in @ SY651 @ SY647 )
                            | ( SY649
                             != ( ordered_pair @ SY650 @ SY651 ) ) )
                        | ( in @ SY649 @ SY648 ) )
                  | ~ ! [SY652: $i] :
                        ( ~ ( in @ SY652 @ SY648 )
                        | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ SV117 )
                                  | ~ ( in @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) @ SY647 ) )
                            | ( SY652
                             != ( ordered_pair @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[990]) ).

thf(1175,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[991]) ).

thf(1176,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[991]) ).

thf(1177,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
             != empty_set )
            | ( ( relation_rng @ SX0 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[992]) ).

thf(1178,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
             != empty_set )
            | ( ( relation_dom @ SX0 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[992]) ).

thf(1179,plain,
    ( ( ~ ( function @ sK10_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[993]) ).

thf(1180,plain,
    ( ( ~ ( relation @ sK10_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[993]) ).

thf(1181,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY653: $i,SY654: $i] :
              ( ~ ( function @ SY654 )
              | ~ ( relation @ SY654 )
              | ( SY653
               != ( apply @ SY654 @ SV118 ) )
              | ~ ( in @ SV118 @ ( relation_dom @ SY654 ) )
              | ( in @ ( ordered_pair @ SV118 @ SY653 ) @ SY654 ) )
        | ~ ~ ( ~ ! [SY655: $i,SY656: $i] :
                    ( ~ ( function @ SY656 )
                    | ~ ( relation @ SY656 )
                    | ~ ( in @ ( ordered_pair @ SV118 @ SY655 ) @ SY656 )
                    | ( SY655
                      = ( apply @ SY656 @ SV118 ) ) )
              | ~ ! [SY657: $i,SY658: $i] :
                    ( ~ ( function @ SY658 )
                    | ~ ( relation @ SY658 )
                    | ~ ( in @ ( ordered_pair @ SV118 @ SY657 ) @ SY658 )
                    | ( in @ SV118 @ ( relation_dom @ SY658 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[994]) ).

thf(1182,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[995]) ).

thf(1183,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[995]) ).

thf(1184,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                     != ( sK70_SY500 @ SX1 @ SX0 ) )
                    | ~ ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
                | ~ ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                            = ( sK70_SY500 @ SX1 @ SX0 ) )
                          | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
                      | ~ ( ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) ) ) )
            | ( SX1
              = ( identity_relation @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[996]) ).

thf(1185,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ( SX1
             != ( identity_relation @ SX0 ) )
            | ~ ( ~ ! [SX2: $i,SX3: $i] :
                      ( ( SX2 != SX3 )
                      | ~ ( in @ SX2 @ SX0 )
                      | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                            ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                            | ( SX2 = SX3 ) )
                      | ~ ! [SX2: $i] :
                            ( ! [SX3: $i] :
                                ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                            | ( in @ SX2 @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[996]) ).

thf(1186,plain,
    ! [SV119: $i] :
      ( ( ~ ( element @ ( sK5_B @ SV119 ) @ ( powerset @ SV119 ) )
        | ~ ( empty @ ( sK5_B @ SV119 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[997]) ).

thf(1187,plain,
    ! [SV120: $i] :
      ( ( ( ~ ( relation @ SV120 ) )
        = $true )
      | ( ( ! [SY659: $i] :
              ( ~ ( relation @ SY659 )
              | ~ ( ~ ! [SY660: $i] :
                        ( ~ ( relation @ SY660 )
                        | ~ ( ~ ( ! [SY661: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ SY661 ) @ SV120 )
                                    | ~ ( in @ ( ordered_pair @ SY661 @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY659 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY660 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK15_SY461 @ SY660 @ SY659 @ SV120 ) ) @ SV120 )
                                    | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY659 ) )
                                | ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY660 ) ) )
                        | ( SY660
                          = ( relation_composition @ SV120 @ SY659 ) ) )
                  | ~ ! [SY662: $i] :
                        ( ~ ( relation @ SY662 )
                        | ( SY662
                         != ( relation_composition @ SV120 @ SY659 ) )
                        | ~ ( ~ ! [SY663: $i,SY664: $i] :
                                  ( ! [SY665: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SY663 @ SY665 ) @ SV120 )
                                      | ~ ( in @ ( ordered_pair @ SY665 @ SY664 ) @ SY659 ) )
                                  | ( in @ ( ordered_pair @ SY663 @ SY664 ) @ SY662 ) )
                            | ~ ! [SY666: $i,SY667: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY666 @ SY667 ) @ SY662 )
                                  | ~ ( ~ ( in @ ( ordered_pair @ SY666 @ ( sK12_F @ SY667 @ SY666 @ SY662 @ SY659 @ SV120 ) ) @ SV120 )
                                      | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY667 @ SY666 @ SY662 @ SY659 @ SV120 ) @ SY667 ) @ SY659 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[998]) ).

thf(1188,plain,
    ! [SV121: $i,SV227: $i] :
      ( ( ~ ( element @ SV227 @ ( powerset @ SV121 ) )
        | ~ ( ~ ! [SY853: $i] :
                  ( ~ ( element @ SY853 @ ( powerset @ SV121 ) )
                  | ~ ( disjoint @ SV227 @ SY853 )
                  | ( subset @ SV227 @ ( subset_complement @ SV121 @ SY853 ) ) )
            | ~ ! [SY854: $i] :
                  ( ~ ( element @ SY854 @ ( powerset @ SV121 ) )
                  | ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SY854 ) )
                  | ( disjoint @ SV227 @ SY854 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[999]) ).

thf(1189,plain,
    ! [SV122: $i] :
      ( ( ~ ! [SY671: $i,SY672: $i] :
              ( ~ ( relation @ SY672 )
              | ~ ( in @ SV122 @ SY671 )
              | ~ ( in @ SV122 @ ( relation_rng @ SY672 ) )
              | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY671 @ SY672 ) ) ) )
        | ~ ~ ( ~ ! [SY673: $i,SY674: $i] :
                    ( ~ ( relation @ SY674 )
                    | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY673 @ SY674 ) ) )
                    | ( in @ SV122 @ SY673 ) )
              | ~ ! [SY675: $i,SY676: $i] :
                    ( ~ ( relation @ SY676 )
                    | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY675 @ SY676 ) ) )
                    | ( in @ SV122 @ ( relation_rng @ SY676 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1000]) ).

thf(1190,plain,
    ! [SV123: $i] :
      ( ( ( ~ ( relation @ SV123 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY677: $i,SY678: $i] :
                    ( ~ ( relation @ SY678 )
                    | ~ ( ~ ( ~ ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                            | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                            | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                                  | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                                  | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) ) ) )
                    | ( SY678
                      = ( relation_dom_restriction @ SV123 @ SY677 ) ) )
              | ~ ! [SY679: $i,SY680: $i] :
                    ( ~ ( relation @ SY680 )
                    | ( SY680
                     != ( relation_dom_restriction @ SV123 @ SY679 ) )
                    | ~ ( ~ ! [SY681: $i,SY682: $i] :
                              ( ~ ( in @ SY681 @ SY679 )
                              | ~ ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SV123 )
                              | ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SY680 ) )
                        | ~ ~ ( ~ ! [SX3: $i] :
                                    ( ! [SX4: $i] :
                                        ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY680 )
                                    | ( in @ SX3 @ SY679 ) )
                              | ~ ! [SY685: $i,SY686: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SY680 )
                                    | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV123 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1001]) ).

thf(1191,plain,
    ! [SV124: $i] :
      ( ( ( ~ ( relation @ SV124 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY687: $i] :
                    ( ~ ( relation @ SY687 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                            | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                            | ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) ) )
                    | ( SY687
                      = ( relation_inverse @ SV124 ) ) )
              | ~ ! [SY688: $i] :
                    ( ~ ( relation @ SY688 )
                    | ( SY688
                     != ( relation_inverse @ SV124 ) )
                    | ~ ( ~ ! [SY689: $i,SY690: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY689 @ SY690 ) @ SY688 )
                              | ( in @ ( ordered_pair @ SY690 @ SY689 ) @ SV124 ) )
                        | ~ ! [SY691: $i,SY692: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY692 @ SY691 ) @ SV124 )
                              | ( in @ ( ordered_pair @ SY691 @ SY692 ) @ SY688 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1002]) ).

thf(1192,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1003]) ).

thf(1193,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1003]) ).

thf(1194,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1004]) ).

thf(1195,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1004]) ).

thf(1196,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_intersection2 @ SX0 @ SX1 )
             != empty_set )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1005]) ).

thf(1197,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_intersection2 @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1005]) ).

thf(1198,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX1 )
            | ~ ( relation @ SX1 )
            | ~ ( ~ ( in @ ( sK38_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( ( ( apply @ SX1 @ ( sK38_C @ SX1 @ SX0 ) )
                     != ( sK38_C @ SX1 @ SX0 ) ) ) )
            | ( ( relation_dom @ SX1 )
             != SX0 )
            | ( SX1
              = ( identity_relation @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1006]) ).

thf(1199,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( function @ SX1 )
                  | ~ ( relation @ SX1 )
                  | ( SX1
                   != ( identity_relation @ SX0 ) )
                  | ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX0 )
                      | ( ( apply @ SX1 @ SX2 )
                        = SX2 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( function @ SX1 )
                  | ~ ( relation @ SX1 )
                  | ( SX1
                   != ( identity_relation @ SX0 ) )
                  | ( ( relation_dom @ SX1 )
                    = SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1006]) ).

thf(1200,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1007]) ).

thf(1201,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1007]) ).

thf(1202,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1008]) ).

thf(1203,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1008]) ).

thf(1204,plain,
    ! [SV125: $i] :
      ( ( ( ~ ( relation @ SV125 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY693: $i,SY694: $i] :
                    ( ~ ( ~ ( ! [SY695: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY695 @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                                | ~ ( in @ SY695 @ SY693 ) )
                            | ~ ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                                | ~ ( in @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ SY693 ) )
                            | ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) ) )
                    | ( SY694
                      = ( relation_image @ SV125 @ SY693 ) ) )
              | ~ ! [SY696: $i,SY697: $i] :
                    ( ( SY697
                     != ( relation_image @ SV125 @ SY696 ) )
                    | ~ ( ~ ! [SY698: $i] :
                              ( ! [SY699: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY699 @ SY698 ) @ SV125 )
                                  | ~ ( in @ SY699 @ SY696 ) )
                              | ( in @ SY698 @ SY697 ) )
                        | ~ ! [SY700: $i] :
                              ( ~ ( in @ SY700 @ SY697 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY700 ) @ SV125 )
                                  | ~ ( in @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY696 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1009]) ).

thf(1205,plain,
    ! [SV126: $i] :
      ( ( ~ ! [SY701: $i,SY702: $i] :
              ( ~ ( relation @ SY702 )
              | ~ ( in @ ( ordered_pair @ SV126 @ SY701 ) @ SY702 )
              | ( in @ SV126 @ ( relation_field @ SY702 ) ) )
        | ~ ! [SY703: $i,SY704: $i] :
              ( ~ ( relation @ SY704 )
              | ~ ( in @ ( ordered_pair @ SV126 @ SY703 ) @ SY704 )
              | ( in @ SY703 @ ( relation_field @ SY704 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1010]) ).

thf(1206,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ( ~ ! [SY855: $i,SY856: $i] :
                  ( ~ ( relation @ SY856 )
                  | ~ ( in @ SV127 @ SY855 )
                  | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY856 )
                  | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY855 ) @ SY856 ) ) )
            | ~ ~ ( ~ ! [SY857: $i,SY858: $i] :
                        ( ~ ( relation @ SY858 )
                        | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY857 ) @ SY858 ) )
                        | ( in @ SV127 @ SY857 ) )
                  | ~ ! [SY859: $i,SY860: $i] :
                        ( ~ ( relation @ SY860 )
                        | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY859 ) @ SY860 ) )
                        | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY860 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1011]) ).

thf(1207,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1012]) ).

thf(1208,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1012]) ).

thf(1209,plain,
    ! [SV128: $i] :
      ( ( ~ ! [SY712: $i,SY713: $i] :
              ( ~ ( in @ SV128 @ SY713 )
              | ~ ( in @ SY712 @ SY713 )
              | ( subset @ ( unordered_pair @ SV128 @ SY712 ) @ SY713 ) )
        | ~ ~ ( ~ ! [SY714: $i,SY715: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV128 @ SY714 ) @ SY715 )
                    | ( in @ SV128 @ SY715 ) )
              | ~ ! [SY716: $i,SY717: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV128 @ SY716 ) @ SY717 )
                    | ( in @ SY716 @ SY717 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1013]) ).

thf(1210,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( element @ SX1 @ SX0 )
                      | ( in @ SX1 @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( in @ SX1 @ SX0 )
                      | ( element @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1014]) ).

thf(1211,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( element @ SX1 @ SX0 )
                      | ( empty @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( empty @ SX1 )
                      | ( element @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1014]) ).

thf(1212,plain,
    ( ( ~ ( empty @ sK9_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1015]) ).

thf(1213,plain,
    ( ( ~ ( relation @ sK9_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1015]) ).

thf(1214,plain,
    ! [SV129: $i] :
      ( ( ( ~ ( relation @ SV129 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY718: $i] :
                    ( ~ ( ~ ( ! [SY719: $i] :
                                ~ ( in @ ( ordered_pair @ SY719 @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                            | ~ ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SY718 @ SV129 ) @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                            | ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) ) )
                    | ( SY718
                      = ( relation_rng @ SV129 ) ) )
              | ~ ! [SY720: $i] :
                    ( ( SY720
                     != ( relation_rng @ SV129 ) )
                    | ~ ( ~ ! [SY721: $i] :
                              ( ! [SY722: $i] :
                                  ~ ( in @ ( ordered_pair @ SY722 @ SY721 ) @ SV129 )
                              | ( in @ SY721 @ SY720 ) )
                        | ~ ! [SY723: $i] :
                              ( ~ ( in @ SY723 @ SY720 )
                              | ( in @ ( ordered_pair @ ( sK18_D @ SY723 @ SY720 @ SV129 ) @ SY723 ) @ SV129 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1016]) ).

thf(1215,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1017]) ).

thf(1216,plain,
    ( ( ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1017]) ).

thf(1217,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
             != SX0 )
            | ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1018]) ).

thf(1218,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( in @ SX1 @ SX0 )
            | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1018]) ).

thf(1219,plain,
    ( ( ~ ! [SX0: $i] : ( function @ ( identity_relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1019]) ).

thf(1220,plain,
    ( ( ~ ! [SX0: $i] : ( relation @ ( identity_relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1019]) ).

thf(1221,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK71_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1020]) ).

thf(1222,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1020]) ).

thf(1223,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ~ ( ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV130 )
            | ~ ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV229 ) )
        | ( element @ SV130 @ ( powerset @ SV229 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1021]) ).

thf(1224,plain,
    ! [SV131: $i] :
      ( ( ( ~ ( relation @ SV131 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY725: $i,SY726: $i] :
                    ( ~ ( ~ ( ! [SY727: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY727 ) @ SV131 )
                                | ~ ( in @ SY727 @ SY725 ) )
                            | ~ ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) ) @ SV131 )
                                | ~ ( in @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) @ SY725 ) )
                            | ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) ) )
                    | ( SY726
                      = ( relation_inverse_image @ SV131 @ SY725 ) ) )
              | ~ ! [SY728: $i,SY729: $i] :
                    ( ( SY729
                     != ( relation_inverse_image @ SV131 @ SY728 ) )
                    | ~ ( ~ ! [SY730: $i] :
                              ( ! [SY731: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY730 @ SY731 ) @ SV131 )
                                  | ~ ( in @ SY731 @ SY728 ) )
                              | ( in @ SY730 @ SY729 ) )
                        | ~ ! [SY732: $i] :
                              ( ~ ( in @ SY732 @ SY729 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY732 @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) ) @ SV131 )
                                  | ~ ( in @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) @ SY728 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1022]) ).

thf(1225,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != SX0 )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1023]) ).

thf(1226,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1023]) ).

thf(1227,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK68_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK68_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1024]) ).

thf(1228,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK66_C @ SX1 @ SX0 ) @ ( sK67_SY497 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1024]) ).

thf(1229,plain,
    ! [SV132: $i] :
      ( ( ~ ! [SY733: $i,SY734: $i] :
              ( ~ ( relation @ SY734 )
              | ~ ( in @ SV132 @ SY733 )
              | ~ ( in @ SV132 @ ( relation_dom @ SY734 ) )
              | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY734 @ SY733 ) ) ) )
        | ~ ~ ( ~ ! [SY735: $i,SY736: $i] :
                    ( ~ ( relation @ SY736 )
                    | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY736 @ SY735 ) ) )
                    | ( in @ SV132 @ SY735 ) )
              | ~ ! [SY737: $i,SY738: $i] :
                    ( ~ ( relation @ SY738 )
                    | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY738 @ SY737 ) ) )
                    | ( in @ SV132 @ ( relation_dom @ SY738 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1025]) ).

thf(1230,plain,
    ! [SV133: $i] :
      ( ( ~ ! [SY739: $i,SY740: $i] :
              ( ~ ( relation @ SY740 )
              | ~ ( in @ ( ordered_pair @ SV133 @ SY739 ) @ SY740 )
              | ( in @ SV133 @ ( relation_dom @ SY740 ) ) )
        | ~ ! [SY741: $i,SY742: $i] :
              ( ~ ( relation @ SY742 )
              | ~ ( in @ ( ordered_pair @ SV133 @ SY741 ) @ SY742 )
              | ( in @ SY741 @ ( relation_rng @ SY742 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1026]) ).

thf(1231,plain,
    ! [SV134: $i] :
      ( ( ( ~ ( relation @ SV134 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY743: $i] :
                    ( ~ ( ~ ( ! [SY744: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ SY744 ) @ SV134 )
                            | ~ ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ ( sK23_SY466 @ SY743 @ SV134 ) ) @ SV134 )
                            | ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) ) )
                    | ( SY743
                      = ( relation_dom @ SV134 ) ) )
              | ~ ! [SY745: $i] :
                    ( ( SY745
                     != ( relation_dom @ SV134 ) )
                    | ~ ( ~ ! [SY746: $i] :
                              ( ! [SY747: $i] :
                                  ~ ( in @ ( ordered_pair @ SY746 @ SY747 ) @ SV134 )
                              | ( in @ SY746 @ SY745 ) )
                        | ~ ! [SY748: $i] :
                              ( ~ ( in @ SY748 @ SY745 )
                              | ( in @ ( ordered_pair @ SY748 @ ( sK21_D @ SY748 @ SY745 @ SV134 ) ) @ SV134 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1027]) ).

thf(1232,plain,
    ! [SV135: $i] :
      ( ( ~ ! [SY749: $i,SY750: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                            | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                             != SV135 ) )
                        | ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                            | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                             != SY749 ) ) )
                  | ~ ( ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                      | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                        = SV135 )
                      | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                        = SY749 ) ) )
              | ( SY750
                = ( unordered_pair @ SV135 @ SY749 ) ) )
        | ~ ! [SY751: $i,SY752: $i] :
              ( ( SY752
               != ( unordered_pair @ SV135 @ SY751 ) )
              | ~ ( ~ ! [SY753: $i] :
                        ( ~ ( in @ SY753 @ SY752 )
                        | ( SY753 = SV135 )
                        | ( SY753 = SY751 ) )
                  | ~ ~ ( ~ ! [SY754: $i] :
                              ( ( SY754 != SV135 )
                              | ( in @ SY754 @ SY752 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY751 )
                              | ( in @ SX3 @ SY752 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1028]) ).

thf(1233,plain,
    ( ( ( ( relation_dom @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1029]) ).

thf(1234,plain,
    ( ( ( ( relation_rng @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1029]) ).

thf(1235,plain,
    ! [SV136: $i] :
      ( ( ( ~ ( relation @ SV136 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY756: $i] :
                    ( ~ ( relation @ SY756 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                            | ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                            | ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) ) )
                    | ( SV136 = SY756 ) )
              | ~ ! [SY757: $i] :
                    ( ~ ( relation @ SY757 )
                    | ( SV136 != SY757 )
                    | ~ ( ~ ! [SY758: $i,SY759: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SV136 )
                              | ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SY757 ) )
                        | ~ ! [SY760: $i,SY761: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SY757 )
                              | ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SV136 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1030]) ).

thf(1236,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX0 )
            | ~ ( relation @ SX0 )
            | ~ ( relation @ SX1 )
            | ~ ( function @ SX1 )
            | ( function @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1031]) ).

thf(1237,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX0 )
            | ~ ( relation @ SX0 )
            | ~ ( relation @ SX1 )
            | ~ ( function @ SX1 )
            | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1031]) ).

thf(1238,plain,
    ! [SV137: $i,SV230: $i] :
      ( ( ~ ( function @ SV230 )
        | ~ ( relation @ SV230 )
        | ~ ( ~ ! [SY861: $i] :
                  ( ~ ( function @ SY861 )
                  | ~ ( relation @ SY861 )
                  | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
                  | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
                  | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) )
            | ~ ~ ( ~ ! [SY862: $i] :
                        ( ~ ( function @ SY862 )
                        | ~ ( relation @ SY862 )
                        | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                        | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
                  | ~ ! [SY863: $i] :
                        ( ~ ( function @ SY863 )
                        | ~ ( relation @ SY863 )
                        | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                        | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1032]) ).

thf(1239,plain,
    ! [SV138: $i] :
      ( ( ~ ! [SY766: $i] :
              ( ~ ( subset @ SY766 @ ( sK41_B @ SV138 ) )
              | ( are_equipotent @ SY766 @ ( sK41_B @ SV138 ) )
              | ( in @ SY766 @ ( sK41_B @ SV138 ) ) )
        | ~ ~ ( ~ ! [SY767: $i] :
                    ( ~ ( in @ SY767 @ ( sK41_B @ SV138 ) )
                    | ( in @ ( powerset @ SY767 ) @ ( sK41_B @ SV138 ) ) )
              | ~ ~ ( ~ ! [SY768: $i,SY769: $i] :
                          ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
                          | ~ ( subset @ SY769 @ SY768 )
                          | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
                    | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1033]) ).

thf(1240,plain,
    ! [SV139: $i] :
      ( ( ( ~ ( relation @ SV139 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY770: $i] :
                    ( ~ ( relation @ SY770 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SV139 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SY770 ) )
                    | ( subset @ SV139 @ SY770 ) )
              | ~ ! [SY771: $i] :
                    ( ~ ( relation @ SY771 )
                    | ~ ( subset @ SV139 @ SY771 )
                    | ! [SY772: $i,SY773: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SV139 )
                        | ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SY771 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1034]) ).

thf(1241,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) ) )
            | ( SX1
              = ( powerset @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1035]) ).

thf(1242,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( powerset @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( subset @ SX2 @ SX0 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( subset @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1035]) ).

thf(1243,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( empty @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1036]) ).

thf(1244,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1036]) ).

thf(1245,plain,
    ! [SV140: $i] :
      ( ( ( ~ ( relation @ SV140 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY774: $i] :
                    ( ~ ( relation @ SY774 )
                    | ~ ( subset @ SV140 @ SY774 )
                    | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SY774 ) ) )
              | ~ ! [SY775: $i] :
                    ( ~ ( relation @ SY775 )
                    | ~ ( subset @ SV140 @ SY775 )
                    | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SY775 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1037]) ).

thf(1246,plain,
    ! [SV141: $i] :
      ( ( ( empty @ SV141 )
        = $true )
      | ( ( ~ ( ~ ( element @ ( sK8_B @ SV141 ) @ ( powerset @ SV141 ) )
              | ~ ~ ( empty @ ( sK8_B @ SV141 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1038]) ).

thf(1247,plain,
    ! [SV142: $i] :
      ( ( ~ ! [SY776: $i,SY777: $i] :
              ( ~ ( relation @ SY777 )
              | ! [SY778: $i] :
                  ( ~ ( in @ SY778 @ ( relation_rng @ SY777 ) )
                  | ~ ( in @ ( ordered_pair @ SV142 @ SY778 ) @ SY777 )
                  | ~ ( in @ SY778 @ SY776 ) )
              | ( in @ SV142 @ ( relation_inverse_image @ SY777 @ SY776 ) ) )
        | ~ ! [SY779: $i,SY780: $i] :
              ( ~ ( relation @ SY780 )
              | ~ ( in @ SV142 @ ( relation_inverse_image @ SY780 @ SY779 ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ ( relation_rng @ SY780 ) )
                        | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SY780 @ SY779 @ SV142 ) ) @ SY780 ) )
                  | ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ SY779 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1039]) ).

thf(1248,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ ( sK65_SY495 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) )
                          | ~ ( ! [SX2: $i] :
                                  ( ~ ( in @ SX2 @ SX0 )
                                  | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX2 ) )
                              | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ~ ( ~ ! [SX2: $i] :
                                ( ~ ( ~ ( in @ ( sK63_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ~ ( in @ SX2 @ ( sK63_D @ SX2 @ SX1 @ SX0 ) ) )
                                | ( in @ SX2 @ SX1 ) )
                          | ~ ! [SX2: $i] :
                                ( ~ ( in @ SX2 @ SX1 )
                                | ! [SX3: $i] :
                                    ( ~ ( in @ SX3 @ SX0 )
                                    | ( in @ SX2 @ SX3 ) ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1040]) ).

thf(1249,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ( SX1 = empty_set ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1 != empty_set )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1040]) ).

thf(1250,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
              = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1041]) ).

thf(1251,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
              = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1041]) ).

thf(1252,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( relation_dom @ ( identity_relation @ SX0 ) )
            = SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1042]) ).

thf(1253,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( relation_rng @ ( identity_relation @ SX0 ) )
            = SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1042]) ).

thf(1254,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( proper_subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1255,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( SX0 != SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( subset @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1256,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ( ~ ! [SY864: $i,SY865: $i] :
                  ( ~ ( in @ SV143 @ SY864 )
                  | ~ ( in @ SV231 @ SY865 )
                  | ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY864 @ SY865 ) ) )
            | ~ ~ ( ~ ! [SY866: $i] :
                        ( ! [SY867: $i] :
                            ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY866 @ SY867 ) )
                        | ( in @ SV143 @ SY866 ) )
                  | ~ ! [SY868: $i,SY869: $i] :
                        ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY868 @ SY869 ) )
                        | ( in @ SV231 @ SY869 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1044]) ).

thf(1257,plain,
    ! [SV144: $i] :
      ( ( ~ ! [SY788: $i,SY789: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                            | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 ) )
                        | ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                            | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
                  | ~ ( ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                      | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 )
                      | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
              | ( SY789
                = ( set_union2 @ SV144 @ SY788 ) ) )
        | ~ ! [SY790: $i,SY791: $i] :
              ( ( SY791
               != ( set_union2 @ SV144 @ SY790 ) )
              | ~ ( ~ ! [SY792: $i] :
                        ( ~ ( in @ SY792 @ SY791 )
                        | ( in @ SY792 @ SV144 )
                        | ( in @ SY792 @ SY790 ) )
                  | ~ ~ ( ~ ! [SY793: $i] :
                              ( ~ ( in @ SY793 @ SV144 )
                              | ( in @ SY793 @ SY791 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY790 )
                              | ( in @ SX3 @ SY791 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1045]) ).

thf(1258,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1046]) ).

thf(1259,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1046]) ).

thf(1260,plain,
    ! [SV145: $i] :
      ( ( ~ ! [SY795: $i,SY796: $i] :
              ( ~ ( relation @ SY796 )
              | ! [SY797: $i] :
                  ( ~ ( in @ SY797 @ ( relation_dom @ SY796 ) )
                  | ~ ( in @ ( ordered_pair @ SY797 @ SV145 ) @ SY796 )
                  | ~ ( in @ SY797 @ SY795 ) )
              | ( in @ SV145 @ ( relation_image @ SY796 @ SY795 ) ) )
        | ~ ! [SY798: $i,SY799: $i] :
              ( ~ ( relation @ SY799 )
              | ~ ( in @ SV145 @ ( relation_image @ SY799 @ SY798 ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ ( relation_dom @ SY799 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SV145 ) @ SY799 ) )
                  | ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SY798 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1047]) ).

thf(1261,plain,
    ! [SV146: $i] :
      ( ( ~ ! [SY800: $i] :
              ( ~ ( subset @ SV146 @ SY800 )
              | ! [SY801: $i] : ( subset @ ( cartesian_product2 @ SV146 @ SY801 ) @ ( cartesian_product2 @ SY800 @ SY801 ) ) )
        | ~ ! [SY802: $i] :
              ( ~ ( subset @ SV146 @ SY802 )
              | ! [SY803: $i] : ( subset @ ( cartesian_product2 @ SY803 @ SV146 ) @ ( cartesian_product2 @ SY803 @ SY802 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1048]) ).

thf(1262,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
                | ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) )
            | ~ ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
                | ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) ) )
        | ( SV147 = SV232 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1049]) ).

thf(1263,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1050]) ).

thf(1264,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1050]) ).

thf(1265,plain,
    ! [SV233: $i,SV148: $i] :
      ( ( ~ ( ~ ! [SY870: $i] :
                  ( ! [SY871: $i] :
                      ( ( ordered_pair @ SV148 @ SV233 )
                     != ( ordered_pair @ SY870 @ SY871 ) )
                  | ( SV148 = SY870 ) )
            | ~ ! [SY872: $i,SY873: $i] :
                  ( ( ( ordered_pair @ SV148 @ SV233 )
                   != ( ordered_pair @ SY872 @ SY873 ) )
                  | ( SV233 = SY873 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1051]) ).

thf(1266,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1052]) ).

thf(1267,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1052]) ).

thf(1268,plain,
    ( ( ~ ~ ( empty @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1053]) ).

thf(1269,plain,
    ( ( ~ ( relation @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1053]) ).

thf(1270,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
             != empty_set )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1054]) ).

thf(1271,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
             != empty_set )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1054]) ).

thf(1272,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1055]) ).

thf(1273,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1055]) ).

thf(1274,plain,
    ! [SV149: $i] :
      ( ( ~ ! [SY810: $i,SY811: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                      | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                      | ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                            | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                        | ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                            | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) ) ) )
              | ( SY811
                = ( set_difference @ SV149 @ SY810 ) ) )
        | ~ ! [SY812: $i,SY813: $i] :
              ( ( SY813
               != ( set_difference @ SV149 @ SY812 ) )
              | ~ ( ~ ! [SY814: $i] :
                        ( ~ ( in @ SY814 @ SV149 )
                        | ( in @ SY814 @ SY812 )
                        | ( in @ SY814 @ SY813 ) )
                  | ~ ~ ( ~ ! [SY815: $i] :
                              ( ~ ( in @ SY815 @ SY813 )
                              | ( in @ SY815 @ SV149 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY813 )
                              | ~ ( in @ SX3 @ SY812 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1056]) ).

thf(1275,plain,
    ! [SV150: $i,SV1: $i] :
      ( ( ( ~ ( in @ SV1 @ SV150 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV1 ) @ SV150 )
          = SV150 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1057]) ).

thf(1276,plain,
    ! [SV151: $i,SV2: $i] :
      ( ( ( ~ ( disjoint @ ( singleton @ SV2 ) @ SV151 ) )
        = $true )
      | ( ( ~ ( in @ SV2 @ SV151 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1058]) ).

thf(1277,plain,
    ! [SV152: $i,SV3: $i] :
      ( ( ( in @ SV3 @ SV152 )
        = $true )
      | ( ( disjoint @ ( singleton @ SV3 ) @ SV152 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1059]) ).

thf(1278,plain,
    ! [SV4: $i,SV153: $i] :
      ( ( ( ~ ( element @ SV153 @ ( powerset @ SV4 ) ) )
        = $true )
      | ( ( ! [SY817: $i] :
              ( ~ ( in @ SY817 @ SV153 )
              | ( in @ SY817 @ SV4 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1060]) ).

thf(1279,plain,
    ! [SV154: $i,SV5: $i] :
      ( ( ( ~ ( in @ SV5 @ SV154 ) )
        = $true )
      | ( ( subset @ SV5 @ ( union @ SV154 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1061]) ).

thf(1280,plain,
    ! [SV155: $i,SV6: $i] :
      ( ( ( ~ ( in @ SV6 @ SV155 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV6 ) @ SV155 )
          = SV155 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1062]) ).

thf(1281,plain,
    ! [SV156: $i,SV7: $i] :
      ( ( ( ~ ( in @ SV7 @ SV156 ) )
        = $true )
      | ( ( subset @ SV7 @ ( union @ SV156 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1063]) ).

thf(1282,plain,
    ! [SV157: $i,SV8: $i] :
      ( ( ( ~ ( in @ SV8 @ SV157 ) )
        = $true )
      | ( ( ~ ( in @ SV157 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1064]) ).

thf(1283,plain,
    ! [SV158: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV158 ) )
        = $true )
      | ( ( element @ SV10 @ SV158 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1065]) ).

thf(1284,plain,
    ! [SV159: $i,SV11: $i] :
      ( ( ( ~ ( element @ SV11 @ SV159 ) )
        = $true )
      | ( ( ( empty @ SV159 )
          | ( in @ SV11 @ SV159 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1066]) ).

thf(1285,plain,
    ! [SV12: $i,SV234: $i,SV160: $i] :
      ( ( ~ ( element @ SV160 @ ( powerset @ SV234 ) )
        | ~ ( in @ SV12 @ SV160 )
        | ( element @ SV12 @ SV234 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1067]) ).

thf(1286,plain,
    ! [SV13: $i,SV161: $i] :
      ( ( ( ~ ( empty @ SV161 ) )
        = $true )
      | ( ( ~ ( in @ SV13 @ SV161 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1068]) ).

thf(1287,plain,
    ! [SV162: $i,SV15: $i] :
      ( ( ( ~ ( subset @ SV15 @ SV162 ) )
        = $true )
      | ( ( ! [SY819: $i] :
              ( ( in @ SY819 @ SV15 )
              | ( subset @ SV15 @ ( set_difference @ SV162 @ ( singleton @ SY819 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1070]) ).

thf(1288,plain,
    ! [SV163: $i,SV235: $i,SV16: $i] :
      ( ( ! [SY874: $i] :
            ( ( SV16 = SY874 )
            | ( SV16 = SV235 )
            | ( ( unordered_pair @ SV16 @ SV163 )
             != ( unordered_pair @ SV235 @ SY874 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1071]) ).

thf(1289,plain,
    ! [SV17: $i,SV164: $i] :
      ( ( ( ~ ( relation @ SV164 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV17 @ SV164 ) ) @ SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1072]) ).

thf(1290,plain,
    ! [SV18: $i,SV165: $i] :
      ( ( ( ~ ( relation @ SV165 ) )
        = $true )
      | ( ( subset @ ( relation_rng_restriction @ SV18 @ SV165 ) @ SV165 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1073]) ).

thf(1291,plain,
    ! [SV19: $i,SV166: $i] :
      ( ( ( ~ ( relation @ SV166 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV19 @ SV166 ) ) @ ( relation_rng @ SV166 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1074]) ).

thf(1292,plain,
    ! [SV20: $i,SV167: $i] :
      ( ( ( ~ ( relation @ SV167 ) )
        = $true )
      | ( ( ( relation_rng @ ( relation_rng_restriction @ SV20 @ SV167 ) )
          = ( set_intersection2 @ ( relation_rng @ SV167 ) @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1075]) ).

thf(1293,plain,
    ! [SV236: $i,SV168: $i,SV21: $i] :
      ( ( ! [SY875: $i] :
            ( ~ ( subset @ SV21 @ SV168 )
            | ~ ( subset @ SV236 @ SY875 )
            | ( subset @ ( cartesian_product2 @ SV21 @ SV236 ) @ ( cartesian_product2 @ SV168 @ SY875 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1076]) ).

thf(1294,plain,
    ! [SV169: $i,SV22: $i] :
      ( ( ( ~ ( subset @ SV22 @ SV169 ) )
        = $true )
      | ( ( ( set_union2 @ SV22 @ SV169 )
          = SV169 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1077]) ).

thf(1295,plain,
    ! [SV23: $i,SV170: $i] :
      ( ( ( ~ ( relation @ SV170 ) )
        = $true )
      | ( ( subset @ ( relation_image @ SV170 @ SV23 ) @ ( relation_rng @ SV170 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1078]) ).

thf(1296,plain,
    ! [SV24: $i,SV171: $i] :
      ( ( ( ~ ( relation @ SV171 ) )
        = $true )
      | ( ( ( relation_image @ SV171 @ SV24 )
          = ( relation_image @ SV171 @ ( set_intersection2 @ ( relation_dom @ SV171 ) @ SV24 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1079]) ).

thf(1297,plain,
    ! [SV25: $i] :
      ( ( ( relation @ SV25 )
        = $false )
      | ( ( ( relation_image @ SV25 @ ( relation_dom @ SV25 ) )
          = ( relation_rng @ SV25 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1080]) ).

thf(1298,plain,
    ! [SV26: $i,SV172: $i] :
      ( ( ( ~ ( relation @ SV172 ) )
        = $true )
      | ( ( subset @ ( relation_inverse_image @ SV172 @ SV26 ) @ ( relation_dom @ SV172 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1081]) ).

thf(1299,plain,
    ! [SV27: $i,SV173: $i] :
      ( ( ( ~ ( relation @ SV173 ) )
        = $true )
      | ( ( ( SV27 = empty_set )
          | ~ ( subset @ SV27 @ ( relation_rng @ SV173 ) )
          | ( ( relation_inverse_image @ SV173 @ SV27 )
           != empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1082]) ).

thf(1300,plain,
    ! [SV174: $i,SV28: $i,SV237: $i] :
      ( ( ~ ( relation @ SV237 )
        | ~ ( subset @ SV28 @ SV174 )
        | ( subset @ ( relation_inverse_image @ SV237 @ SV28 ) @ ( relation_inverse_image @ SV237 @ SV174 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1083]) ).

thf(1301,plain,
    ! [SV238: $i,SV176: $i,SV30: $i] :
      ( ( ~ ( subset @ SV30 @ SV176 )
        | ~ ( subset @ SV30 @ SV238 )
        | ( subset @ SV30 @ ( set_intersection2 @ SV176 @ SV238 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1085]) ).

thf(1302,plain,
    ! [SV239: $i,SV177: $i,SV31: $i] :
      ( ( ~ ( subset @ SV31 @ SV177 )
        | ~ ( subset @ SV177 @ SV239 )
        | ( subset @ SV31 @ SV239 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1086]) ).

thf(1303,plain,
    ! [SV32: $i] :
      ( ( ( relation @ SV32 )
        = $false )
      | ( ( subset @ SV32 @ ( cartesian_product2 @ ( relation_dom @ SV32 ) @ ( relation_rng @ SV32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1087]) ).

thf(1304,plain,
    ! [SV33: $i,SV178: $i] :
      ( ( ( ~ ( function @ SV178 )
          | ~ ( relation @ SV178 ) )
        = $true )
      | ( ( ! [SY827: $i] :
              ( ~ ( function @ SY827 )
              | ~ ( relation @ SY827 )
              | ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SY827 @ SV178 ) ) )
              | ( ( apply @ ( relation_composition @ SY827 @ SV178 ) @ SV33 )
                = ( apply @ SV178 @ ( apply @ SY827 @ SV33 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1088]) ).

thf(1305,plain,
    ! [SV34: $i,SV179: $i] :
      ( ( ( ~ ( function @ SV179 )
          | ~ ( relation @ SV179 ) )
        = $true )
      | ( ( ! [SY828: $i] :
              ( ~ ( function @ SY828 )
              | ~ ( relation @ SY828 )
              | ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
              | ( ( apply @ ( relation_composition @ SV179 @ SY828 ) @ SV34 )
                = ( apply @ SY828 @ ( apply @ SV179 @ SV34 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1089]) ).

thf(1306,plain,
    ! [SV180: $i,SV35: $i] :
      ( ( ( ~ ( subset @ SV35 @ SV180 ) )
        = $true )
      | ( ( ! [SY829: $i] : ( subset @ ( set_intersection2 @ SV35 @ SY829 ) @ ( set_intersection2 @ SV180 @ SY829 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1090]) ).

thf(1307,plain,
    ! [SV181: $i,SV36: $i] :
      ( ( ( ~ ( subset @ SV36 @ SV181 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV36 @ SV181 )
          = SV36 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1091]) ).

thf(1308,plain,
    ! [SV182: $i,SV38: $i] :
      ( ( ( ~ ( subset @ SV38 @ SV182 ) )
        = $true )
      | ( ( ! [SY830: $i] : ( subset @ ( set_difference @ SV38 @ SY830 ) @ ( set_difference @ SV182 @ SY830 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1092]) ).

thf(1309,plain,
    ! [SV41: $i] :
      ( ( ( subset @ SV41 @ empty_set )
        = $false )
      | ( ( SV41 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1095]) ).

thf(1310,plain,
    ! [SV43: $i] :
      ( ( ( relation @ SV43 )
        = $false )
      | ( ( ! [SY551: $i] :
              ( ~ ( relation @ SY551 )
              | ( subset @ ( relation_dom @ ( relation_composition @ SV43 @ SY551 ) ) @ ( relation_dom @ SV43 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1097]) ).

thf(1311,plain,
    ! [SV44: $i] :
      ( ( ( relation @ SV44 )
        = $false )
      | ( ( ! [SY552: $i] :
              ( ~ ( relation @ SY552 )
              | ( subset @ ( relation_rng @ ( relation_composition @ SV44 @ SY552 ) ) @ ( relation_rng @ SY552 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1098]) ).

thf(1312,plain,
    ! [SV186: $i,SV45: $i] :
      ( ( ( ~ ( subset @ SV45 @ SV186 ) )
        = $true )
      | ( ( SV186
          = ( set_union2 @ SV45 @ ( set_difference @ SV186 @ SV45 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1099]) ).

thf(1313,plain,
    ! [SV46: $i] :
      ( ( ( relation @ SV46 )
        = $false )
      | ( ( ! [SY554: $i] :
              ( ~ ( relation @ SY554 )
              | ~ ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SY554 ) )
              | ( ( relation_dom @ ( relation_composition @ SV46 @ SY554 ) )
                = ( relation_dom @ SV46 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1100]) ).

thf(1314,plain,
    ! [SV47: $i,SV187: $i] :
      ( ( ( ~ ( element @ SV187 @ ( powerset @ ( powerset @ SV47 ) ) ) )
        = $true )
      | ( ( ( SV187 = empty_set )
          | ( ( complements_of_subsets @ SV47 @ SV187 )
           != empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1101]) ).

thf(1315,plain,
    ! [SV48: $i] :
      ( ( ( relation @ SV48 )
        = $false )
      | ( ( ! [SY556: $i] :
              ( ~ ( relation @ SY556 )
              | ~ ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SY556 ) )
              | ( ( relation_rng @ ( relation_composition @ SY556 @ SV48 ) )
                = ( relation_rng @ SV48 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1102]) ).

thf(1316,plain,
    ! [SV50: $i,SV240: $i] :
      ( ( ( ~ ( element @ SV240 @ ( powerset @ SV50 ) )
          | ! [SY876: $i] :
              ( ~ ( element @ SY876 @ SV50 )
              | ( in @ SY876 @ SV240 )
              | ( in @ SY876 @ ( subset_complement @ SV50 @ SV240 ) ) ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1104]) ).

thf(1317,plain,
    ! [SV189: $i,SV51: $i,SV241: $i] :
      ( ( ~ ( element @ SV241 @ ( powerset @ SV51 ) )
        | ~ ( in @ SV189 @ ( subset_complement @ SV51 @ SV241 ) )
        | ~ ( in @ SV189 @ SV241 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1105]) ).

thf(1318,plain,
    ! [SV52: $i] :
      ( ( ( relation @ SV52 )
        = $false )
      | ( ( ( in @ ( ordered_pair @ ( sK36_B @ SV52 ) @ ( sK37_SY474 @ SV52 ) ) @ SV52 )
          | ( SV52 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1106]) ).

thf(1319,plain,
    ! [SV53: $i,SV190: $i] :
      ( ( ( ~ ( proper_subset @ SV190 @ SV53 ) )
        = $true )
      | ( ( ~ ( subset @ SV53 @ SV190 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1107]) ).

thf(1320,plain,
    ! [SV54: $i,SV242: $i,SV191: $i] :
      ( ( ~ ( disjoint @ SV191 @ SV242 )
        | ~ ( subset @ SV54 @ SV191 )
        | ( disjoint @ SV54 @ SV242 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1108]) ).

thf(1321,plain,
    ! [SV192: $i,SV56: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV56 ) @ ( singleton @ SV192 ) ) )
        = $true )
      | ( ( SV56 = SV192 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1109]) ).

thf(1322,plain,
    ! [SV58: $i,SV194: $i] :
      ( ( ( ~ ( relation @ SV194 ) )
        = $true )
      | ( ( subset @ ( relation_dom_restriction @ SV194 @ SV58 ) @ SV194 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1111]) ).

thf(1323,plain,
    ! [SV243: $i,SV195: $i,SV59: $i] :
      ( ( ~ ( subset @ SV59 @ SV195 )
        | ~ ( subset @ SV243 @ SV195 )
        | ( subset @ ( set_union2 @ SV59 @ SV243 ) @ SV195 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1112]) ).

thf(1324,plain,
    ! [SV196: $i,SV60: $i] :
      ( ( ( ! [SY834: $i] :
              ( ( singleton @ SV60 )
             != ( unordered_pair @ SV196 @ SY834 ) ) )
        = $true )
      | ( ( SV60 = SV196 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1113]) ).

thf(1325,plain,
    ! [SV61: $i,SV197: $i] :
      ( ( ( ~ ( relation @ SV197 ) )
        = $true )
      | ( ( ( relation_dom @ ( relation_dom_restriction @ SV197 @ SV61 ) )
          = ( set_intersection2 @ ( relation_dom @ SV197 ) @ SV61 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1114]) ).

thf(1326,plain,
    ! [SV62: $i,SV198: $i] :
      ( ( ( ~ ( relation @ SV198 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ ( relation_dom_restriction @ SV198 @ SV62 ) ) @ ( relation_rng @ SV198 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1115]) ).

thf(1327,plain,
    ! [SV244: $i,SV199: $i,SV64: $i] :
      ( ( ( ( singleton @ SV64 )
         != ( unordered_pair @ SV199 @ SV244 ) )
        | ( SV199 = SV244 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1116]) ).

thf(1328,plain,
    ! [SV65: $i] :
      ( ( ( empty @ SV65 )
        = $false )
      | ( ( function @ SV65 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1117]) ).

thf(1329,plain,
    ! [SV66: $i] :
      ( ( ( empty @ SV66 )
        = $false )
      | ( ( relation @ SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1118]) ).

thf(1330,plain,
    ! [SV70: $i,SV203: $i] :
      ( ( ( ~ ( element @ SV203 @ ( powerset @ SV70 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV70 @ SV203 )
          = ( set_difference @ SV70 @ SV203 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1122]) ).

thf(1331,plain,
    ! [SV72: $i] :
      ( ( ( relation @ SV72 )
        = $false )
      | ( ( ( relation_field @ SV72 )
          = ( set_union2 @ ( relation_dom @ SV72 ) @ ( relation_rng @ SV72 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1124]) ).

thf(1332,plain,
    ! [SV74: $i,SV205: $i] :
      ( ( ( ~ ( element @ SV205 @ ( powerset @ SV74 ) ) )
        = $true )
      | ( ( element @ ( subset_complement @ SV74 @ SV205 ) @ ( powerset @ SV74 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1125]) ).

thf(1333,plain,
    ! [SV75: $i] :
      ( ( ( relation @ SV75 )
        = $false )
      | ( ( relation @ ( relation_inverse @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1126]) ).

thf(1334,plain,
    ! [SV206: $i,SV76: $i] :
      ( ( ( ~ ( relation @ SV76 )
          | ~ ( relation @ SV206 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV76 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1127]) ).

thf(1335,plain,
    ! [SV77: $i,SV207: $i] :
      ( ( ( ~ ( element @ SV207 @ ( powerset @ ( powerset @ SV77 ) ) ) )
        = $true )
      | ( ( element @ ( union_of_subsets @ SV77 @ SV207 ) @ ( powerset @ SV77 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1128]) ).

thf(1336,plain,
    ! [SV78: $i,SV208: $i] :
      ( ( ( ~ ( element @ SV208 @ ( powerset @ ( powerset @ SV78 ) ) ) )
        = $true )
      | ( ( element @ ( meet_of_subsets @ SV78 @ SV208 ) @ ( powerset @ SV78 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1129]) ).

thf(1337,plain,
    ! [SV245: $i,SV79: $i,SV209: $i] :
      ( ( ~ ( element @ SV209 @ ( powerset @ SV79 ) )
        | ~ ( element @ SV245 @ ( powerset @ SV79 ) )
        | ( element @ ( subset_difference @ SV79 @ SV209 @ SV245 ) @ ( powerset @ SV79 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1130]) ).

thf(1338,plain,
    ! [SV80: $i] :
      ( ( ( relation @ SV80 )
        = $false )
      | ( ( ! [SY587: $i] : ( relation @ ( relation_dom_restriction @ SV80 @ SY587 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1131]) ).

thf(1339,plain,
    ! [SV81: $i,SV210: $i] :
      ( ( ( ~ ( element @ SV210 @ ( powerset @ ( powerset @ SV81 ) ) ) )
        = $true )
      | ( ( element @ ( complements_of_subsets @ SV81 @ SV210 ) @ ( powerset @ ( powerset @ SV81 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1132]) ).

thf(1340,plain,
    ! [SV82: $i,SV211: $i] :
      ( ( ( ~ ( relation @ SV211 ) )
        = $true )
      | ( ( relation @ ( relation_rng_restriction @ SV82 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1133]) ).

thf(1341,plain,
    ! [SV212: $i,SV84: $i] :
      ( ( ( ~ ( relation @ SV84 )
          | ~ ( relation @ SV212 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV84 @ SV212 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1134]) ).

thf(1342,plain,
    ! [SV213: $i,SV86: $i] :
      ( ( empty @ ( ordered_pair @ SV86 @ SV213 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1136]) ).

thf(1343,plain,
    ! [SV214: $i,SV87: $i] :
      ( ( ( ~ ( relation @ SV87 )
          | ~ ( relation @ SV214 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV87 @ SV214 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1137]) ).

thf(1344,plain,
    ! [SV246: $i,SV89: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV89 @ SV246 ) ) )
        = $true )
      | ( ( empty @ SV89 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1139]) ).

thf(1345,plain,
    ! [SV215: $i,SV90: $i] :
      ( ( empty @ ( unordered_pair @ SV90 @ SV215 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1140]) ).

thf(1346,plain,
    ! [SV91: $i,SV247: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV247 @ SV91 ) ) )
        = $true )
      | ( ( empty @ SV91 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1141]) ).

thf(1347,plain,
    ! [SV216: $i,SV92: $i] :
      ( ( ( ( empty @ SV92 )
          | ( empty @ SV216 ) )
        = $true )
      | ( ( ~ ( empty @ ( cartesian_product2 @ SV92 @ SV216 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1142]) ).

thf(1348,plain,
    ! [SV93: $i] :
      ( ( ( empty @ SV93 )
        = $true )
      | ( ( ~ ( relation @ SV93 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV93 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1143]) ).

thf(1349,plain,
    ! [SV94: $i] :
      ( ( ( empty @ SV94 )
        = $true )
      | ( ( ~ ( relation @ SV94 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1144]) ).

thf(1350,plain,
    ! [SV97: $i,SV217: $i] :
      ( ( ( ~ ( element @ SV217 @ ( powerset @ SV97 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV97 @ ( subset_complement @ SV97 @ SV217 ) )
          = SV217 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1145]) ).

thf(1351,plain,
    ! [SV98: $i] :
      ( ( ( relation @ SV98 )
        = $false )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV98 ) )
          = SV98 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1146]) ).

thf(1352,plain,
    ! [SV99: $i,SV218: $i] :
      ( ( ( ~ ( element @ SV218 @ ( powerset @ ( powerset @ SV99 ) ) ) )
        = $true )
      | ( ( ( complements_of_subsets @ SV99 @ ( complements_of_subsets @ SV99 @ SV218 ) )
          = SV218 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1147]) ).

thf(1353,plain,
    ! [SV100: $i,SV219: $i] :
      ( ( ( ~ ( element @ SV219 @ ( powerset @ ( powerset @ SV100 ) ) ) )
        = $true )
      | ( ( ( union_of_subsets @ SV100 @ SV219 )
          = ( union @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1148]) ).

thf(1354,plain,
    ! [SV101: $i,SV220: $i] :
      ( ( ( ~ ( element @ SV220 @ ( powerset @ ( powerset @ SV101 ) ) ) )
        = $true )
      | ( ( ( meet_of_subsets @ SV101 @ SV220 )
          = ( set_meet @ SV220 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1149]) ).

thf(1355,plain,
    ! [SV248: $i,SV102: $i,SV221: $i] :
      ( ( ~ ( element @ SV221 @ ( powerset @ SV102 ) )
        | ~ ( element @ SV248 @ ( powerset @ SV102 ) )
        | ( ( subset_difference @ SV102 @ SV221 @ SV248 )
          = ( set_difference @ SV221 @ SV248 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1150]) ).

thf(1356,plain,
    ! [SV222: $i,SV104: $i] :
      ( ( ( ~ ( disjoint @ SV104 @ SV222 ) )
        = $true )
      | ( ( disjoint @ SV222 @ SV104 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1151]) ).

thf(1357,plain,
    ! [SV109: $i,SV249: $i,SV223: $i] :
      ( ( ~ ( element @ SV223 @ ( powerset @ SV249 ) )
        | ~ ( in @ SV109 @ SV223 )
        | ~ ( empty @ SV249 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1152]) ).

thf(1358,plain,
    ! [SV110: $i] :
      ( ( ( empty @ SV110 )
        = $false )
      | ( ( SV110 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1153]) ).

thf(1359,plain,
    ! [SV224: $i,SV111: $i] :
      ( ( ( ( SV111 = SV224 )
          | ~ ( empty @ SV111 ) )
        = $true )
      | ( ( ~ ( empty @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1154]) ).

thf(1360,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY607: $i,SY608: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                      | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                      | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                            | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                        | ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                            | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) ) ) )
              | ( SY608
                = ( set_intersection2 @ SV112 @ SY607 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1155]) ).

thf(1361,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY609: $i,SY610: $i] :
              ( ( SY610
               != ( set_intersection2 @ SV112 @ SY609 ) )
              | ~ ( ~ ! [SY611: $i] :
                        ( ~ ( in @ SY611 @ SV112 )
                        | ~ ( in @ SY611 @ SY609 )
                        | ( in @ SY611 @ SY610 ) )
                  | ~ ~ ( ~ ! [SY612: $i] :
                              ( ~ ( in @ SY612 @ SY610 )
                              | ( in @ SY612 @ SV112 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY610 )
                              | ( in @ SX3 @ SY609 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1155]) ).

thf(1362,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ! [SX2: $i] :
                      ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX2 )
                      | ~ ( in @ SX2 @ SX0 ) )
                  | ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ~ ( ~ ( in @ ( sK47_C @ SX1 @ SX0 ) @ ( sK48_SY487 @ SX1 @ SX0 ) )
                      | ~ ( in @ ( sK48_SY487 @ SX1 @ SX0 ) @ SX0 ) )
                  | ( in @ ( sK47_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1156]) ).

thf(1363,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( union @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ! [SX3: $i] :
                        ( ~ ( in @ SX2 @ SX3 )
                        | ~ ( in @ SX3 @ SX0 ) )
                    | ( in @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ~ ( ~ ( in @ SX2 @ ( sK46_D @ SX2 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK46_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1157]) ).

thf(1364,plain,
    ! [SV113: $i,SV225: $i] :
      ( ( ( ~ ( relation @ SV225 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY839: $i] :
                    ( ~ ( relation @ SY839 )
                    | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                            | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                            | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                                  | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                                  | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) ) ) )
                    | ( SY839
                      = ( relation_rng_restriction @ SV113 @ SV225 ) ) )
              | ~ ! [SY840: $i] :
                    ( ~ ( relation @ SY840 )
                    | ( SY840
                     != ( relation_rng_restriction @ SV113 @ SV225 ) )
                    | ~ ( ~ ! [SY841: $i,SY842: $i] :
                              ( ~ ( in @ SY842 @ SV113 )
                              | ~ ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SV225 )
                              | ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SY840 ) )
                        | ~ ~ ( ~ ! [SY619: $i,SY620: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY619 @ SY620 ) @ SY840 )
                                    | ( in @ SY620 @ SV113 ) )
                              | ~ ! [SY845: $i,SY846: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SY840 )
                                    | ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SV225 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1158]) ).

thf(1365,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( empty @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1159]) ).

thf(1366,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( relation @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1160]) ).

thf(1367,plain,
    ( ( relation @ sK3_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1161]) ).

thf(1368,plain,
    ( ( relation_empty_yielding @ sK3_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1162]) ).

thf(1369,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ! [SY847: $i,SY848: $i] :
              ( ~ ( in @ SV114 @ SY847 )
              | ~ ( in @ SV226 @ SY848 )
              | ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY847 @ SY848 ) ) )
        | ~ ~ ( ~ ! [SY849: $i] :
                    ( ! [SY850: $i] :
                        ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY849 @ SY850 ) )
                    | ( in @ SV114 @ SY849 ) )
              | ~ ! [SY851: $i,SY852: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY851 @ SY852 ) )
                    | ( in @ SV226 @ SY852 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1163]) ).

thf(1370,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ~ ( ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ( in @ ( sK72_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1164]) ).

thf(1371,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ~ ( in @ SX2 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1165]) ).

thf(1372,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ( ( sK62_C @ SX1 @ SX0 )
                   != SX0 )
                  | ~ ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( ( sK62_C @ SX1 @ SX0 )
                    = SX0 )
                  | ( in @ ( sK62_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( singleton @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1166]) ).

thf(1373,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( singleton @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ( SX2 != SX0 )
                    | ( in @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ( SX2 = SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1167]) ).

thf(1374,plain,
    ( ( ! [SX0: $i] :
          ( ( in @ ( sK61_B @ SX0 ) @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1168]) ).

thf(1375,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1169]) ).

thf(1376,plain,
    ! [SV115: $i] :
      ( ( ~ ! [SY630: $i] :
              ( ~ ( subset @ SY630 @ ( sK42_B @ SV115 ) )
              | ( are_equipotent @ SY630 @ ( sK42_B @ SV115 ) )
              | ( in @ SY630 @ ( sK42_B @ SV115 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1170]) ).

thf(1377,plain,
    ! [SV115: $i] :
      ( ( ~ ~ ( ~ ! [SY631: $i] :
                    ( ~ ( ~ ! [SY632: $i] :
                              ( ~ ( subset @ SY632 @ SY631 )
                              | ( in @ SY632 @ ( sK43_SY481 @ SY631 @ SV115 ) ) )
                        | ~ ( in @ ( sK43_SY481 @ SY631 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
                    | ~ ( in @ SY631 @ ( sK42_B @ SV115 ) ) )
              | ~ ~ ( ~ ! [SY633: $i,SY634: $i] :
                          ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
                          | ~ ( subset @ SY634 @ SY633 )
                          | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
                    | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1170]) ).

thf(1378,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1171]) ).

thf(1379,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0
                 != ( singleton @ SX1 ) )
                | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1172]) ).

thf(1380,plain,
    ! [SV116: $i] :
      ( ( ( ~ ( function @ SV116 ) )
        = $true )
      | ( ( ~ ( relation @ SV116 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ! [SY635: $i] :
                          ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                          | ! [SY636: $i] :
                              ( ( SY636
                               != ( apply @ SV116 @ SY635 ) )
                              | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
                    | ~ ! [SY637: $i] :
                          ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                          | ! [SY638: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                              | ( SY638
                                = ( apply @ SV116 @ SY637 ) ) ) ) )
              | ~ ~ ( ~ ! [SY639: $i] :
                          ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                          | ! [SY640: $i] :
                              ( ( SY640
                               != ( apply @ SV116 @ SY639 ) )
                              | ( SY640 = empty_set ) ) )
                    | ~ ! [SY641: $i] :
                          ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                          | ! [SY642: $i] :
                              ( ( SY642 != empty_set )
                              | ( SY642
                                = ( apply @ SV116 @ SY641 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1173]) ).

thf(1381,plain,
    ! [SV117: $i] :
      ( ( ~ ! [SY643: $i,SY644: $i] :
              ( ~ ( ~ ( ! [SY645: $i,SY646: $i] :
                          ( ~ ( in @ SY645 @ SV117 )
                          | ~ ( in @ SY646 @ SY643 )
                          | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                           != ( ordered_pair @ SY645 @ SY646 ) ) )
                      | ~ ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) )
                  | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ SV117 )
                                | ~ ( in @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) @ SY643 ) )
                          | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                           != ( ordered_pair @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) ) ) )
                      | ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) ) )
              | ( SY644
                = ( cartesian_product2 @ SV117 @ SY643 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1174]) ).

thf(1382,plain,
    ! [SV117: $i] :
      ( ( ~ ! [SY647: $i,SY648: $i] :
              ( ( SY648
               != ( cartesian_product2 @ SV117 @ SY647 ) )
              | ~ ( ~ ! [SY649: $i] :
                        ( ! [SY650: $i,SY651: $i] :
                            ( ~ ( in @ SY650 @ SV117 )
                            | ~ ( in @ SY651 @ SY647 )
                            | ( SY649
                             != ( ordered_pair @ SY650 @ SY651 ) ) )
                        | ( in @ SY649 @ SY648 ) )
                  | ~ ! [SY652: $i] :
                        ( ~ ( in @ SY652 @ SY648 )
                        | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ SV117 )
                                  | ~ ( in @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) @ SY647 ) )
                            | ( SY652
                             != ( ordered_pair @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1174]) ).

thf(1383,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != empty_set )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1175]) ).

thf(1384,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1176]) ).

thf(1385,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_dom @ SX0 )
           != empty_set )
          | ( ( relation_rng @ SX0 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1177]) ).

thf(1386,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_rng @ SX0 )
           != empty_set )
          | ( ( relation_dom @ SX0 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1178]) ).

thf(1387,plain,
    ( ( function @ sK10_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1179]) ).

thf(1388,plain,
    ( ( relation @ sK10_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1180]) ).

thf(1389,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY653: $i,SY654: $i] :
              ( ~ ( function @ SY654 )
              | ~ ( relation @ SY654 )
              | ( SY653
               != ( apply @ SY654 @ SV118 ) )
              | ~ ( in @ SV118 @ ( relation_dom @ SY654 ) )
              | ( in @ ( ordered_pair @ SV118 @ SY653 ) @ SY654 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1181]) ).

thf(1390,plain,
    ! [SV118: $i] :
      ( ( ~ ~ ( ~ ! [SY655: $i,SY656: $i] :
                    ( ~ ( function @ SY656 )
                    | ~ ( relation @ SY656 )
                    | ~ ( in @ ( ordered_pair @ SV118 @ SY655 ) @ SY656 )
                    | ( SY655
                      = ( apply @ SY656 @ SV118 ) ) )
              | ~ ! [SY657: $i,SY658: $i] :
                    ( ~ ( function @ SY658 )
                    | ~ ( relation @ SY658 )
                    | ~ ( in @ ( ordered_pair @ SV118 @ SY657 ) @ SY658 )
                    | ( in @ SV118 @ ( relation_dom @ SY658 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1181]) ).

thf(1391,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1182]) ).

thf(1392,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1183]) ).

thf(1393,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                   != ( sK70_SY500 @ SX1 @ SX0 ) )
                  | ~ ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
              | ~ ~ ( ~ ( ( ( sK69_C @ SX1 @ SX0 )
                          = ( sK70_SY500 @ SX1 @ SX0 ) )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) )
                    | ~ ( ( in @ ( sK69_C @ SX1 @ SX0 ) @ SX0 )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SX1 @ SX0 ) @ ( sK70_SY500 @ SX1 @ SX0 ) ) @ SX1 ) ) ) )
          | ( SX1
            = ( identity_relation @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1184]) ).

thf(1394,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ( SX1
           != ( identity_relation @ SX0 ) )
          | ~ ( ~ ! [SX2: $i,SX3: $i] :
                    ( ( SX2 != SX3 )
                    | ~ ( in @ SX2 @ SX0 )
                    | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
              | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                          ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                          | ( SX2 = SX3 ) )
                    | ~ ! [SX2: $i] :
                          ( ! [SX3: $i] :
                              ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                          | ( in @ SX2 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1185]) ).

thf(1395,plain,
    ! [SV119: $i] :
      ( ( ~ ( element @ ( sK5_B @ SV119 ) @ ( powerset @ SV119 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1186]) ).

thf(1396,plain,
    ! [SV119: $i] :
      ( ( ~ ( empty @ ( sK5_B @ SV119 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1186]) ).

thf(1397,plain,
    ! [SV120: $i] :
      ( ( ( relation @ SV120 )
        = $false )
      | ( ( ! [SY659: $i] :
              ( ~ ( relation @ SY659 )
              | ~ ( ~ ! [SY660: $i] :
                        ( ~ ( relation @ SY660 )
                        | ~ ( ~ ( ! [SY661: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ SY661 ) @ SV120 )
                                    | ~ ( in @ ( ordered_pair @ SY661 @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY659 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY660 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK15_SY461 @ SY660 @ SY659 @ SV120 ) ) @ SV120 )
                                    | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY659 ) )
                                | ( in @ ( ordered_pair @ ( sK13_D @ SY660 @ SY659 @ SV120 ) @ ( sK14_SY457 @ SY660 @ SY659 @ SV120 ) ) @ SY660 ) ) )
                        | ( SY660
                          = ( relation_composition @ SV120 @ SY659 ) ) )
                  | ~ ! [SY662: $i] :
                        ( ~ ( relation @ SY662 )
                        | ( SY662
                         != ( relation_composition @ SV120 @ SY659 ) )
                        | ~ ( ~ ! [SY663: $i,SY664: $i] :
                                  ( ! [SY665: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SY663 @ SY665 ) @ SV120 )
                                      | ~ ( in @ ( ordered_pair @ SY665 @ SY664 ) @ SY659 ) )
                                  | ( in @ ( ordered_pair @ SY663 @ SY664 ) @ SY662 ) )
                            | ~ ! [SY666: $i,SY667: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY666 @ SY667 ) @ SY662 )
                                  | ~ ( ~ ( in @ ( ordered_pair @ SY666 @ ( sK12_F @ SY667 @ SY666 @ SY662 @ SY659 @ SV120 ) ) @ SV120 )
                                      | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY667 @ SY666 @ SY662 @ SY659 @ SV120 ) @ SY667 ) @ SY659 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1187]) ).

thf(1398,plain,
    ! [SV121: $i,SV227: $i] :
      ( ( ( ~ ( element @ SV227 @ ( powerset @ SV121 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY853: $i] :
                    ( ~ ( element @ SY853 @ ( powerset @ SV121 ) )
                    | ~ ( disjoint @ SV227 @ SY853 )
                    | ( subset @ SV227 @ ( subset_complement @ SV121 @ SY853 ) ) )
              | ~ ! [SY854: $i] :
                    ( ~ ( element @ SY854 @ ( powerset @ SV121 ) )
                    | ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SY854 ) )
                    | ( disjoint @ SV227 @ SY854 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1188]) ).

thf(1399,plain,
    ! [SV122: $i] :
      ( ( ~ ! [SY671: $i,SY672: $i] :
              ( ~ ( relation @ SY672 )
              | ~ ( in @ SV122 @ SY671 )
              | ~ ( in @ SV122 @ ( relation_rng @ SY672 ) )
              | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY671 @ SY672 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1189]) ).

thf(1400,plain,
    ! [SV122: $i] :
      ( ( ~ ~ ( ~ ! [SY673: $i,SY674: $i] :
                    ( ~ ( relation @ SY674 )
                    | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY673 @ SY674 ) ) )
                    | ( in @ SV122 @ SY673 ) )
              | ~ ! [SY675: $i,SY676: $i] :
                    ( ~ ( relation @ SY676 )
                    | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY675 @ SY676 ) ) )
                    | ( in @ SV122 @ ( relation_rng @ SY676 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1189]) ).

thf(1401,plain,
    ! [SV123: $i] :
      ( ( ( relation @ SV123 )
        = $false )
      | ( ( ~ ( ~ ! [SY677: $i,SY678: $i] :
                    ( ~ ( relation @ SY678 )
                    | ~ ( ~ ( ~ ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                            | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                            | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                                  | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                                  | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) ) ) )
                    | ( SY678
                      = ( relation_dom_restriction @ SV123 @ SY677 ) ) )
              | ~ ! [SY679: $i,SY680: $i] :
                    ( ~ ( relation @ SY680 )
                    | ( SY680
                     != ( relation_dom_restriction @ SV123 @ SY679 ) )
                    | ~ ( ~ ! [SY681: $i,SY682: $i] :
                              ( ~ ( in @ SY681 @ SY679 )
                              | ~ ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SV123 )
                              | ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SY680 ) )
                        | ~ ~ ( ~ ! [SX3: $i] :
                                    ( ! [SX4: $i] :
                                        ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY680 )
                                    | ( in @ SX3 @ SY679 ) )
                              | ~ ! [SY685: $i,SY686: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SY680 )
                                    | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV123 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1190]) ).

thf(1402,plain,
    ! [SV124: $i] :
      ( ( ( relation @ SV124 )
        = $false )
      | ( ( ~ ( ~ ! [SY687: $i] :
                    ( ~ ( relation @ SY687 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                            | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                            | ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) ) )
                    | ( SY687
                      = ( relation_inverse @ SV124 ) ) )
              | ~ ! [SY688: $i] :
                    ( ~ ( relation @ SY688 )
                    | ( SY688
                     != ( relation_inverse @ SV124 ) )
                    | ~ ( ~ ! [SY689: $i,SY690: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY689 @ SY690 ) @ SY688 )
                              | ( in @ ( ordered_pair @ SY690 @ SY689 ) @ SV124 ) )
                        | ~ ! [SY691: $i,SY692: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY692 @ SY691 ) @ SV124 )
                              | ( in @ ( ordered_pair @ SY691 @ SY692 ) @ SY688 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1191]) ).

thf(1403,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1192]) ).

thf(1404,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1193]) ).

thf(1405,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1194]) ).

thf(1406,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1195]) ).

thf(1407,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_intersection2 @ SX0 @ SX1 )
           != empty_set )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1196]) ).

thf(1408,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( ( set_intersection2 @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1197]) ).

thf(1409,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( function @ SX1 )
          | ~ ( relation @ SX1 )
          | ~ ( ~ ( in @ ( sK38_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ( ( ( apply @ SX1 @ ( sK38_C @ SX1 @ SX0 ) )
                   != ( sK38_C @ SX1 @ SX0 ) ) ) )
          | ( ( relation_dom @ SX1 )
           != SX0 )
          | ( SX1
            = ( identity_relation @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1198]) ).

thf(1410,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( function @ SX1 )
                | ~ ( relation @ SX1 )
                | ( SX1
                 != ( identity_relation @ SX0 ) )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( ( apply @ SX1 @ SX2 )
                      = SX2 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( function @ SX1 )
                | ~ ( relation @ SX1 )
                | ( SX1
                 != ( identity_relation @ SX0 ) )
                | ( ( relation_dom @ SX1 )
                  = SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1199]) ).

thf(1411,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != empty_set )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1200]) ).

thf(1412,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1201]) ).

thf(1413,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1202]) ).

thf(1414,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1203]) ).

thf(1415,plain,
    ! [SV125: $i] :
      ( ( ( relation @ SV125 )
        = $false )
      | ( ( ~ ( ~ ! [SY693: $i,SY694: $i] :
                    ( ~ ( ~ ( ! [SY695: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY695 @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                                | ~ ( in @ SY695 @ SY693 ) )
                            | ~ ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                                | ~ ( in @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ SY693 ) )
                            | ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) ) )
                    | ( SY694
                      = ( relation_image @ SV125 @ SY693 ) ) )
              | ~ ! [SY696: $i,SY697: $i] :
                    ( ( SY697
                     != ( relation_image @ SV125 @ SY696 ) )
                    | ~ ( ~ ! [SY698: $i] :
                              ( ! [SY699: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY699 @ SY698 ) @ SV125 )
                                  | ~ ( in @ SY699 @ SY696 ) )
                              | ( in @ SY698 @ SY697 ) )
                        | ~ ! [SY700: $i] :
                              ( ~ ( in @ SY700 @ SY697 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY700 ) @ SV125 )
                                  | ~ ( in @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY696 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1204]) ).

thf(1416,plain,
    ! [SV126: $i] :
      ( ( ~ ! [SY701: $i,SY702: $i] :
              ( ~ ( relation @ SY702 )
              | ~ ( in @ ( ordered_pair @ SV126 @ SY701 ) @ SY702 )
              | ( in @ SV126 @ ( relation_field @ SY702 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1205]) ).

thf(1417,plain,
    ! [SV126: $i] :
      ( ( ~ ! [SY703: $i,SY704: $i] :
              ( ~ ( relation @ SY704 )
              | ~ ( in @ ( ordered_pair @ SV126 @ SY703 ) @ SY704 )
              | ( in @ SY703 @ ( relation_field @ SY704 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1205]) ).

thf(1418,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ! [SY855: $i,SY856: $i] :
              ( ~ ( relation @ SY856 )
              | ~ ( in @ SV127 @ SY855 )
              | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY856 )
              | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY855 ) @ SY856 ) ) )
        | ~ ~ ( ~ ! [SY857: $i,SY858: $i] :
                    ( ~ ( relation @ SY858 )
                    | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY857 ) @ SY858 ) )
                    | ( in @ SV127 @ SY857 ) )
              | ~ ! [SY859: $i,SY860: $i] :
                    ( ~ ( relation @ SY860 )
                    | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY859 ) @ SY860 ) )
                    | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY860 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1206]) ).

thf(1419,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1207]) ).

thf(1420,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1208]) ).

thf(1421,plain,
    ! [SV128: $i] :
      ( ( ~ ! [SY712: $i,SY713: $i] :
              ( ~ ( in @ SV128 @ SY713 )
              | ~ ( in @ SY712 @ SY713 )
              | ( subset @ ( unordered_pair @ SV128 @ SY712 ) @ SY713 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1209]) ).

thf(1422,plain,
    ! [SV128: $i] :
      ( ( ~ ~ ( ~ ! [SY714: $i,SY715: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV128 @ SY714 ) @ SY715 )
                    | ( in @ SV128 @ SY715 ) )
              | ~ ! [SY716: $i,SY717: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV128 @ SY716 ) @ SY717 )
                    | ( in @ SY716 @ SY717 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1209]) ).

thf(1423,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( empty @ SX0 )
                | ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ SX0 )
                    | ( in @ SX1 @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ( empty @ SX0 )
                | ! [SX1: $i] :
                    ( ~ ( in @ SX1 @ SX0 )
                    | ( element @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1210]) ).

thf(1424,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ SX0 )
                    | ( empty @ SX1 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ! [SX1: $i] :
                    ( ~ ( empty @ SX1 )
                    | ( element @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1211]) ).

thf(1425,plain,
    ( ( empty @ sK9_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1212]) ).

thf(1426,plain,
    ( ( relation @ sK9_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1213]) ).

thf(1427,plain,
    ! [SV129: $i] :
      ( ( ( relation @ SV129 )
        = $false )
      | ( ( ~ ( ~ ! [SY718: $i] :
                    ( ~ ( ~ ( ! [SY719: $i] :
                                ~ ( in @ ( ordered_pair @ SY719 @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                            | ~ ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SY718 @ SV129 ) @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                            | ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) ) )
                    | ( SY718
                      = ( relation_rng @ SV129 ) ) )
              | ~ ! [SY720: $i] :
                    ( ( SY720
                     != ( relation_rng @ SV129 ) )
                    | ~ ( ~ ! [SY721: $i] :
                              ( ! [SY722: $i] :
                                  ~ ( in @ ( ordered_pair @ SY722 @ SY721 ) @ SV129 )
                              | ( in @ SY721 @ SY720 ) )
                        | ~ ! [SY723: $i] :
                              ( ~ ( in @ SY723 @ SY720 )
                              | ( in @ ( ordered_pair @ ( sK18_D @ SY723 @ SY720 @ SV129 ) @ SY723 ) @ SV129 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1214]) ).

thf(1428,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1215]) ).

thf(1429,plain,
    ( ( relation_empty_yielding @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1216]) ).

thf(1430,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
           != SX0 )
          | ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1217]) ).

thf(1431,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( in @ SX1 @ SX0 )
          | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1218]) ).

thf(1432,plain,
    ( ( ! [SX0: $i] : ( function @ ( identity_relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1219]) ).

thf(1433,plain,
    ( ( ! [SX0: $i] : ( relation @ ( identity_relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1220]) ).

thf(1434,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ( in @ ( sK71_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1221]) ).

thf(1435,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1222]) ).

thf(1436,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV130 )
              | ~ ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV229 ) ) )
        = $true )
      | ( ( element @ SV130 @ ( powerset @ SV229 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1223]) ).

thf(1437,plain,
    ! [SV131: $i] :
      ( ( ( relation @ SV131 )
        = $false )
      | ( ( ~ ( ~ ! [SY725: $i,SY726: $i] :
                    ( ~ ( ~ ( ! [SY727: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY727 ) @ SV131 )
                                | ~ ( in @ SY727 @ SY725 ) )
                            | ~ ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) ) @ SV131 )
                                | ~ ( in @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) @ SY725 ) )
                            | ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) ) )
                    | ( SY726
                      = ( relation_inverse_image @ SV131 @ SY725 ) ) )
              | ~ ! [SY728: $i,SY729: $i] :
                    ( ( SY729
                     != ( relation_inverse_image @ SV131 @ SY728 ) )
                    | ~ ( ~ ! [SY730: $i] :
                              ( ! [SY731: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY730 @ SY731 ) @ SV131 )
                                  | ~ ( in @ SY731 @ SY728 ) )
                              | ( in @ SY730 @ SY729 ) )
                        | ~ ! [SY732: $i] :
                              ( ~ ( in @ SY732 @ SY729 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY732 @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) ) @ SV131 )
                                  | ~ ( in @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) @ SY728 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1224]) ).

thf(1438,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != SX0 )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1225]) ).

thf(1439,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1226]) ).

thf(1440,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ( sK68_B @ SX0 )
                   != ( ordered_pair @ SX1 @ SX2 ) )
              | ~ ( in @ ( sK68_B @ SX0 ) @ SX0 ) )
          | ( relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1227]) ).

thf(1441,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ( SX1
                = ( ordered_pair @ ( sK66_C @ SX1 @ SX0 ) @ ( sK67_SY497 @ SX1 @ SX0 ) ) )
              | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1228]) ).

thf(1442,plain,
    ! [SV132: $i] :
      ( ( ~ ! [SY733: $i,SY734: $i] :
              ( ~ ( relation @ SY734 )
              | ~ ( in @ SV132 @ SY733 )
              | ~ ( in @ SV132 @ ( relation_dom @ SY734 ) )
              | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY734 @ SY733 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1229]) ).

thf(1443,plain,
    ! [SV132: $i] :
      ( ( ~ ~ ( ~ ! [SY735: $i,SY736: $i] :
                    ( ~ ( relation @ SY736 )
                    | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY736 @ SY735 ) ) )
                    | ( in @ SV132 @ SY735 ) )
              | ~ ! [SY737: $i,SY738: $i] :
                    ( ~ ( relation @ SY738 )
                    | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY738 @ SY737 ) ) )
                    | ( in @ SV132 @ ( relation_dom @ SY738 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1229]) ).

thf(1444,plain,
    ! [SV133: $i] :
      ( ( ~ ! [SY739: $i,SY740: $i] :
              ( ~ ( relation @ SY740 )
              | ~ ( in @ ( ordered_pair @ SV133 @ SY739 ) @ SY740 )
              | ( in @ SV133 @ ( relation_dom @ SY740 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1230]) ).

thf(1445,plain,
    ! [SV133: $i] :
      ( ( ~ ! [SY741: $i,SY742: $i] :
              ( ~ ( relation @ SY742 )
              | ~ ( in @ ( ordered_pair @ SV133 @ SY741 ) @ SY742 )
              | ( in @ SY741 @ ( relation_rng @ SY742 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1230]) ).

thf(1446,plain,
    ! [SV134: $i] :
      ( ( ( relation @ SV134 )
        = $false )
      | ( ( ~ ( ~ ! [SY743: $i] :
                    ( ~ ( ~ ( ! [SY744: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ SY744 ) @ SV134 )
                            | ~ ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ ( sK23_SY466 @ SY743 @ SV134 ) ) @ SV134 )
                            | ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) ) )
                    | ( SY743
                      = ( relation_dom @ SV134 ) ) )
              | ~ ! [SY745: $i] :
                    ( ( SY745
                     != ( relation_dom @ SV134 ) )
                    | ~ ( ~ ! [SY746: $i] :
                              ( ! [SY747: $i] :
                                  ~ ( in @ ( ordered_pair @ SY746 @ SY747 ) @ SV134 )
                              | ( in @ SY746 @ SY745 ) )
                        | ~ ! [SY748: $i] :
                              ( ~ ( in @ SY748 @ SY745 )
                              | ( in @ ( ordered_pair @ SY748 @ ( sK21_D @ SY748 @ SY745 @ SV134 ) ) @ SV134 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1231]) ).

thf(1447,plain,
    ! [SV135: $i] :
      ( ( ~ ! [SY749: $i,SY750: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                            | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                             != SV135 ) )
                        | ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                            | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                             != SY749 ) ) )
                  | ~ ( ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                      | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                        = SV135 )
                      | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                        = SY749 ) ) )
              | ( SY750
                = ( unordered_pair @ SV135 @ SY749 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1232]) ).

thf(1448,plain,
    ! [SV135: $i] :
      ( ( ~ ! [SY751: $i,SY752: $i] :
              ( ( SY752
               != ( unordered_pair @ SV135 @ SY751 ) )
              | ~ ( ~ ! [SY753: $i] :
                        ( ~ ( in @ SY753 @ SY752 )
                        | ( SY753 = SV135 )
                        | ( SY753 = SY751 ) )
                  | ~ ~ ( ~ ! [SY754: $i] :
                              ( ( SY754 != SV135 )
                              | ( in @ SY754 @ SY752 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY751 )
                              | ( in @ SX3 @ SY752 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1232]) ).

thf(1449,plain,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1233]) ).

thf(1450,plain,
    ( ( ( relation_rng @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1234]) ).

thf(1451,plain,
    ! [SV136: $i] :
      ( ( ( relation @ SV136 )
        = $false )
      | ( ( ~ ( ~ ! [SY756: $i] :
                    ( ~ ( relation @ SY756 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                            | ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                            | ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) ) )
                    | ( SV136 = SY756 ) )
              | ~ ! [SY757: $i] :
                    ( ~ ( relation @ SY757 )
                    | ( SV136 != SY757 )
                    | ~ ( ~ ! [SY758: $i,SY759: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SV136 )
                              | ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SY757 ) )
                        | ~ ! [SY760: $i,SY761: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SY757 )
                              | ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SV136 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1235]) ).

thf(1452,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( function @ SX0 )
          | ~ ( relation @ SX0 )
          | ~ ( relation @ SX1 )
          | ~ ( function @ SX1 )
          | ( function @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1236]) ).

thf(1453,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( function @ SX0 )
          | ~ ( relation @ SX0 )
          | ~ ( relation @ SX1 )
          | ~ ( function @ SX1 )
          | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1237]) ).

thf(1454,plain,
    ! [SV137: $i,SV230: $i] :
      ( ( ( ~ ( function @ SV230 )
          | ~ ( relation @ SV230 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY861: $i] :
                    ( ~ ( function @ SY861 )
                    | ~ ( relation @ SY861 )
                    | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
                    | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
                    | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) )
              | ~ ~ ( ~ ! [SY862: $i] :
                          ( ~ ( function @ SY862 )
                          | ~ ( relation @ SY862 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                          | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
                    | ~ ! [SY863: $i] :
                          ( ~ ( function @ SY863 )
                          | ~ ( relation @ SY863 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                          | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1238]) ).

thf(1455,plain,
    ! [SV138: $i] :
      ( ( ~ ! [SY766: $i] :
              ( ~ ( subset @ SY766 @ ( sK41_B @ SV138 ) )
              | ( are_equipotent @ SY766 @ ( sK41_B @ SV138 ) )
              | ( in @ SY766 @ ( sK41_B @ SV138 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1239]) ).

thf(1456,plain,
    ! [SV138: $i] :
      ( ( ~ ~ ( ~ ! [SY767: $i] :
                    ( ~ ( in @ SY767 @ ( sK41_B @ SV138 ) )
                    | ( in @ ( powerset @ SY767 ) @ ( sK41_B @ SV138 ) ) )
              | ~ ~ ( ~ ! [SY768: $i,SY769: $i] :
                          ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
                          | ~ ( subset @ SY769 @ SY768 )
                          | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
                    | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1239]) ).

thf(1457,plain,
    ! [SV139: $i] :
      ( ( ( relation @ SV139 )
        = $false )
      | ( ( ~ ( ~ ! [SY770: $i] :
                    ( ~ ( relation @ SY770 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SV139 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SY770 ) )
                    | ( subset @ SV139 @ SY770 ) )
              | ~ ! [SY771: $i] :
                    ( ~ ( relation @ SY771 )
                    | ~ ( subset @ SV139 @ SY771 )
                    | ! [SY772: $i,SY773: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SV139 )
                        | ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SY771 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1240]) ).

thf(1458,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                  | ~ ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) )
              | ~ ( ( in @ ( sK60_C @ SX1 @ SX0 ) @ SX1 )
                  | ( subset @ ( sK60_C @ SX1 @ SX0 ) @ SX0 ) ) )
          | ( SX1
            = ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1241]) ).

thf(1459,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( powerset @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ( subset @ SX2 @ SX0 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( subset @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1242]) ).

thf(1460,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( empty @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1243]) ).

thf(1461,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1244]) ).

thf(1462,plain,
    ! [SV140: $i] :
      ( ( ( relation @ SV140 )
        = $false )
      | ( ( ~ ( ~ ! [SY774: $i] :
                    ( ~ ( relation @ SY774 )
                    | ~ ( subset @ SV140 @ SY774 )
                    | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SY774 ) ) )
              | ~ ! [SY775: $i] :
                    ( ~ ( relation @ SY775 )
                    | ~ ( subset @ SV140 @ SY775 )
                    | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SY775 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1245]) ).

thf(1463,plain,
    ! [SV141: $i] :
      ( ( ( ~ ( element @ ( sK8_B @ SV141 ) @ ( powerset @ SV141 ) )
          | ~ ~ ( empty @ ( sK8_B @ SV141 ) ) )
        = $false )
      | ( ( empty @ SV141 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1246]) ).

thf(1464,plain,
    ! [SV142: $i] :
      ( ( ~ ! [SY776: $i,SY777: $i] :
              ( ~ ( relation @ SY777 )
              | ! [SY778: $i] :
                  ( ~ ( in @ SY778 @ ( relation_rng @ SY777 ) )
                  | ~ ( in @ ( ordered_pair @ SV142 @ SY778 ) @ SY777 )
                  | ~ ( in @ SY778 @ SY776 ) )
              | ( in @ SV142 @ ( relation_inverse_image @ SY777 @ SY776 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1247]) ).

thf(1465,plain,
    ! [SV142: $i] :
      ( ( ~ ! [SY779: $i,SY780: $i] :
              ( ~ ( relation @ SY780 )
              | ~ ( in @ SV142 @ ( relation_inverse_image @ SY780 @ SY779 ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ ( relation_rng @ SY780 ) )
                        | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SY780 @ SY779 @ SV142 ) ) @ SY780 ) )
                  | ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ SY779 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1247]) ).

thf(1466,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 = empty_set )
                | ! [SX1: $i] :
                    ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SX1 @ SX0 ) @ SX0 )
                                | ~ ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ ( sK65_SY495 @ SX1 @ SX0 ) ) )
                            | ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ! [SX2: $i] :
                                ( ~ ( in @ SX2 @ SX0 )
                                | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX2 ) )
                            | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) ) )
                    | ( SX1
                      = ( set_meet @ SX0 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 = empty_set )
                | ! [SX1: $i] :
                    ( ( SX1
                     != ( set_meet @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ( ~ ( ~ ( in @ ( sK63_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ SX2 @ ( sK63_D @ SX2 @ SX1 @ SX0 ) ) )
                              | ( in @ SX2 @ SX1 ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX1 )
                              | ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX0 )
                                  | ( in @ SX2 @ SX3 ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1248]) ).

thf(1467,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ( ( SX1
                     != ( set_meet @ SX0 ) )
                    | ( SX1 = empty_set ) ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ( ( SX1 != empty_set )
                    | ( SX1
                      = ( set_meet @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1249]) ).

thf(1468,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_rng @ SX0 )
            = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1250]) ).

thf(1469,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_dom @ SX0 )
            = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1251]) ).

thf(1470,plain,
    ( ( ! [SX0: $i] :
          ( ( relation_dom @ ( identity_relation @ SX0 ) )
          = SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1252]) ).

thf(1471,plain,
    ( ( ! [SX0: $i] :
          ( ( relation_rng @ ( identity_relation @ SX0 ) )
          = SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1253]) ).

thf(1472,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 = SX1 )
          | ~ ( subset @ SX0 @ SX1 )
          | ( proper_subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1254]) ).

thf(1473,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( proper_subset @ SX0 @ SX1 )
                | ( SX0 != SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( proper_subset @ SX0 @ SX1 )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1255]) ).

thf(1474,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ! [SY864: $i,SY865: $i] :
              ( ~ ( in @ SV143 @ SY864 )
              | ~ ( in @ SV231 @ SY865 )
              | ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY864 @ SY865 ) ) )
        | ~ ~ ( ~ ! [SY866: $i] :
                    ( ! [SY867: $i] :
                        ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY866 @ SY867 ) )
                    | ( in @ SV143 @ SY866 ) )
              | ~ ! [SY868: $i,SY869: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY868 @ SY869 ) )
                    | ( in @ SV231 @ SY869 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1256]) ).

thf(1475,plain,
    ! [SV144: $i] :
      ( ( ~ ! [SY788: $i,SY789: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                            | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 ) )
                        | ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                            | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
                  | ~ ( ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                      | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 )
                      | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
              | ( SY789
                = ( set_union2 @ SV144 @ SY788 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1257]) ).

thf(1476,plain,
    ! [SV144: $i] :
      ( ( ~ ! [SY790: $i,SY791: $i] :
              ( ( SY791
               != ( set_union2 @ SV144 @ SY790 ) )
              | ~ ( ~ ! [SY792: $i] :
                        ( ~ ( in @ SY792 @ SY791 )
                        | ( in @ SY792 @ SV144 )
                        | ( in @ SY792 @ SY790 ) )
                  | ~ ~ ( ~ ! [SY793: $i] :
                              ( ~ ( in @ SY793 @ SV144 )
                              | ( in @ SY793 @ SY791 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY790 )
                              | ( in @ SX3 @ SY791 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1257]) ).

thf(1477,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1258]) ).

thf(1478,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1259]) ).

thf(1479,plain,
    ! [SV145: $i] :
      ( ( ~ ! [SY795: $i,SY796: $i] :
              ( ~ ( relation @ SY796 )
              | ! [SY797: $i] :
                  ( ~ ( in @ SY797 @ ( relation_dom @ SY796 ) )
                  | ~ ( in @ ( ordered_pair @ SY797 @ SV145 ) @ SY796 )
                  | ~ ( in @ SY797 @ SY795 ) )
              | ( in @ SV145 @ ( relation_image @ SY796 @ SY795 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1480,plain,
    ! [SV145: $i] :
      ( ( ~ ! [SY798: $i,SY799: $i] :
              ( ~ ( relation @ SY799 )
              | ~ ( in @ SV145 @ ( relation_image @ SY799 @ SY798 ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ ( relation_dom @ SY799 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SV145 ) @ SY799 ) )
                  | ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SY798 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1481,plain,
    ! [SV146: $i] :
      ( ( ~ ! [SY800: $i] :
              ( ~ ( subset @ SV146 @ SY800 )
              | ! [SY801: $i] : ( subset @ ( cartesian_product2 @ SV146 @ SY801 ) @ ( cartesian_product2 @ SY800 @ SY801 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1261]) ).

thf(1482,plain,
    ! [SV146: $i] :
      ( ( ~ ! [SY802: $i] :
              ( ~ ( subset @ SV146 @ SY802 )
              | ! [SY803: $i] : ( subset @ ( cartesian_product2 @ SY803 @ SV146 ) @ ( cartesian_product2 @ SY803 @ SY802 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1261]) ).

thf(1483,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
                  | ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) )
              | ~ ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
                  | ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) ) ) )
        = $true )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1262]) ).

thf(1484,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1263]) ).

thf(1485,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0
                 != ( singleton @ SX1 ) )
                | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1264]) ).

thf(1486,plain,
    ! [SV233: $i,SV148: $i] :
      ( ( ~ ! [SY870: $i] :
              ( ! [SY871: $i] :
                  ( ( ordered_pair @ SV148 @ SV233 )
                 != ( ordered_pair @ SY870 @ SY871 ) )
              | ( SV148 = SY870 ) )
        | ~ ! [SY872: $i,SY873: $i] :
              ( ( ( ordered_pair @ SV148 @ SV233 )
               != ( ordered_pair @ SY872 @ SY873 ) )
              | ( SV233 = SY873 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1265]) ).

thf(1487,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK50_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1266]) ).

thf(1488,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1267]) ).

thf(1489,plain,
    ( ( ~ ( empty @ sK6_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1268]) ).

thf(1490,plain,
    ( ( relation @ sK6_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1269]) ).

thf(1491,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_dom @ SX0 )
           != empty_set )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1270]) ).

thf(1492,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_rng @ SX0 )
           != empty_set )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1271]) ).

thf(1493,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_rng @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1272]) ).

thf(1494,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1273]) ).

thf(1495,plain,
    ! [SV149: $i] :
      ( ( ~ ! [SY810: $i,SY811: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                      | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                      | ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                            | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                        | ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                            | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) ) ) )
              | ( SY811
                = ( set_difference @ SV149 @ SY810 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1274]) ).

thf(1496,plain,
    ! [SV149: $i] :
      ( ( ~ ! [SY812: $i,SY813: $i] :
              ( ( SY813
               != ( set_difference @ SV149 @ SY812 ) )
              | ~ ( ~ ! [SY814: $i] :
                        ( ~ ( in @ SY814 @ SV149 )
                        | ( in @ SY814 @ SY812 )
                        | ( in @ SY814 @ SY813 ) )
                  | ~ ~ ( ~ ! [SY815: $i] :
                              ( ~ ( in @ SY815 @ SY813 )
                              | ( in @ SY815 @ SV149 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY813 )
                              | ~ ( in @ SX3 @ SY812 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1274]) ).

thf(1497,plain,
    ! [SV150: $i,SV1: $i] :
      ( ( ( in @ SV1 @ SV150 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV1 ) @ SV150 )
          = SV150 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1275]) ).

thf(1498,plain,
    ! [SV151: $i,SV2: $i] :
      ( ( ( disjoint @ ( singleton @ SV2 ) @ SV151 )
        = $false )
      | ( ( ~ ( in @ SV2 @ SV151 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1276]) ).

thf(1499,plain,
    ! [SV4: $i,SV153: $i] :
      ( ( ( element @ SV153 @ ( powerset @ SV4 ) )
        = $false )
      | ( ( ! [SY817: $i] :
              ( ~ ( in @ SY817 @ SV153 )
              | ( in @ SY817 @ SV4 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1278]) ).

thf(1500,plain,
    ! [SV154: $i,SV5: $i] :
      ( ( ( in @ SV5 @ SV154 )
        = $false )
      | ( ( subset @ SV5 @ ( union @ SV154 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1279]) ).

thf(1501,plain,
    ! [SV155: $i,SV6: $i] :
      ( ( ( in @ SV6 @ SV155 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV6 ) @ SV155 )
          = SV155 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1280]) ).

thf(1502,plain,
    ! [SV156: $i,SV7: $i] :
      ( ( ( in @ SV7 @ SV156 )
        = $false )
      | ( ( subset @ SV7 @ ( union @ SV156 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1281]) ).

thf(1503,plain,
    ! [SV157: $i,SV8: $i] :
      ( ( ( in @ SV8 @ SV157 )
        = $false )
      | ( ( ~ ( in @ SV157 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1282]) ).

thf(1504,plain,
    ! [SV158: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV158 )
        = $false )
      | ( ( element @ SV10 @ SV158 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1283]) ).

thf(1505,plain,
    ! [SV159: $i,SV11: $i] :
      ( ( ( element @ SV11 @ SV159 )
        = $false )
      | ( ( ( empty @ SV159 )
          | ( in @ SV11 @ SV159 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1284]) ).

thf(1506,plain,
    ! [SV12: $i,SV234: $i,SV160: $i] :
      ( ( ( ~ ( element @ SV160 @ ( powerset @ SV234 ) )
          | ~ ( in @ SV12 @ SV160 ) )
        = $true )
      | ( ( element @ SV12 @ SV234 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1285]) ).

thf(1507,plain,
    ! [SV13: $i,SV161: $i] :
      ( ( ( empty @ SV161 )
        = $false )
      | ( ( ~ ( in @ SV13 @ SV161 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1286]) ).

thf(1508,plain,
    ! [SV162: $i,SV15: $i] :
      ( ( ( subset @ SV15 @ SV162 )
        = $false )
      | ( ( ! [SY819: $i] :
              ( ( in @ SY819 @ SV15 )
              | ( subset @ SV15 @ ( set_difference @ SV162 @ ( singleton @ SY819 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1287]) ).

thf(1509,plain,
    ! [SV163: $i,SV235: $i,SV250: $i,SV16: $i] :
      ( ( ( SV16 = SV250 )
        | ( SV16 = SV235 )
        | ( ( unordered_pair @ SV16 @ SV163 )
         != ( unordered_pair @ SV235 @ SV250 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1288]) ).

thf(1510,plain,
    ! [SV17: $i,SV164: $i] :
      ( ( ( relation @ SV164 )
        = $false )
      | ( ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV17 @ SV164 ) ) @ SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1289]) ).

thf(1511,plain,
    ! [SV18: $i,SV165: $i] :
      ( ( ( relation @ SV165 )
        = $false )
      | ( ( subset @ ( relation_rng_restriction @ SV18 @ SV165 ) @ SV165 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1290]) ).

thf(1512,plain,
    ! [SV19: $i,SV166: $i] :
      ( ( ( relation @ SV166 )
        = $false )
      | ( ( subset @ ( relation_rng @ ( relation_rng_restriction @ SV19 @ SV166 ) ) @ ( relation_rng @ SV166 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1291]) ).

thf(1513,plain,
    ! [SV20: $i,SV167: $i] :
      ( ( ( relation @ SV167 )
        = $false )
      | ( ( ( relation_rng @ ( relation_rng_restriction @ SV20 @ SV167 ) )
          = ( set_intersection2 @ ( relation_rng @ SV167 ) @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1292]) ).

thf(1514,plain,
    ! [SV251: $i,SV236: $i,SV168: $i,SV21: $i] :
      ( ( ~ ( subset @ SV21 @ SV168 )
        | ~ ( subset @ SV236 @ SV251 )
        | ( subset @ ( cartesian_product2 @ SV21 @ SV236 ) @ ( cartesian_product2 @ SV168 @ SV251 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1293]) ).

thf(1515,plain,
    ! [SV169: $i,SV22: $i] :
      ( ( ( subset @ SV22 @ SV169 )
        = $false )
      | ( ( ( set_union2 @ SV22 @ SV169 )
          = SV169 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1294]) ).

thf(1516,plain,
    ! [SV23: $i,SV170: $i] :
      ( ( ( relation @ SV170 )
        = $false )
      | ( ( subset @ ( relation_image @ SV170 @ SV23 ) @ ( relation_rng @ SV170 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1295]) ).

thf(1517,plain,
    ! [SV24: $i,SV171: $i] :
      ( ( ( relation @ SV171 )
        = $false )
      | ( ( ( relation_image @ SV171 @ SV24 )
          = ( relation_image @ SV171 @ ( set_intersection2 @ ( relation_dom @ SV171 ) @ SV24 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1296]) ).

thf(1518,plain,
    ! [SV26: $i,SV172: $i] :
      ( ( ( relation @ SV172 )
        = $false )
      | ( ( subset @ ( relation_inverse_image @ SV172 @ SV26 ) @ ( relation_dom @ SV172 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1298]) ).

thf(1519,plain,
    ! [SV27: $i,SV173: $i] :
      ( ( ( relation @ SV173 )
        = $false )
      | ( ( ( SV27 = empty_set )
          | ~ ( subset @ SV27 @ ( relation_rng @ SV173 ) )
          | ( ( relation_inverse_image @ SV173 @ SV27 )
           != empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1299]) ).

thf(1520,plain,
    ! [SV174: $i,SV28: $i,SV237: $i] :
      ( ( ( ~ ( relation @ SV237 ) )
        = $true )
      | ( ( ~ ( subset @ SV28 @ SV174 )
          | ( subset @ ( relation_inverse_image @ SV237 @ SV28 ) @ ( relation_inverse_image @ SV237 @ SV174 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1300]) ).

thf(1521,plain,
    ! [SV238: $i,SV176: $i,SV30: $i] :
      ( ( ( ~ ( subset @ SV30 @ SV176 )
          | ~ ( subset @ SV30 @ SV238 ) )
        = $true )
      | ( ( subset @ SV30 @ ( set_intersection2 @ SV176 @ SV238 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1301]) ).

thf(1522,plain,
    ! [SV239: $i,SV177: $i,SV31: $i] :
      ( ( ( ~ ( subset @ SV31 @ SV177 )
          | ~ ( subset @ SV177 @ SV239 ) )
        = $true )
      | ( ( subset @ SV31 @ SV239 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1302]) ).

thf(1523,plain,
    ! [SV33: $i,SV178: $i] :
      ( ( ( ~ ( function @ SV178 ) )
        = $true )
      | ( ( ~ ( relation @ SV178 ) )
        = $true )
      | ( ( ! [SY827: $i] :
              ( ~ ( function @ SY827 )
              | ~ ( relation @ SY827 )
              | ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SY827 @ SV178 ) ) )
              | ( ( apply @ ( relation_composition @ SY827 @ SV178 ) @ SV33 )
                = ( apply @ SV178 @ ( apply @ SY827 @ SV33 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1304]) ).

thf(1524,plain,
    ! [SV34: $i,SV179: $i] :
      ( ( ( ~ ( function @ SV179 ) )
        = $true )
      | ( ( ~ ( relation @ SV179 ) )
        = $true )
      | ( ( ! [SY828: $i] :
              ( ~ ( function @ SY828 )
              | ~ ( relation @ SY828 )
              | ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
              | ( ( apply @ ( relation_composition @ SV179 @ SY828 ) @ SV34 )
                = ( apply @ SY828 @ ( apply @ SV179 @ SV34 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1305]) ).

thf(1525,plain,
    ! [SV180: $i,SV35: $i] :
      ( ( ( subset @ SV35 @ SV180 )
        = $false )
      | ( ( ! [SY829: $i] : ( subset @ ( set_intersection2 @ SV35 @ SY829 ) @ ( set_intersection2 @ SV180 @ SY829 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1306]) ).

thf(1526,plain,
    ! [SV181: $i,SV36: $i] :
      ( ( ( subset @ SV36 @ SV181 )
        = $false )
      | ( ( ( set_intersection2 @ SV36 @ SV181 )
          = SV36 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1307]) ).

thf(1527,plain,
    ! [SV182: $i,SV38: $i] :
      ( ( ( subset @ SV38 @ SV182 )
        = $false )
      | ( ( ! [SY830: $i] : ( subset @ ( set_difference @ SV38 @ SY830 ) @ ( set_difference @ SV182 @ SY830 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1308]) ).

thf(1528,plain,
    ! [SV43: $i,SV252: $i] :
      ( ( ( ~ ( relation @ SV252 )
          | ( subset @ ( relation_dom @ ( relation_composition @ SV43 @ SV252 ) ) @ ( relation_dom @ SV43 ) ) )
        = $true )
      | ( ( relation @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1310]) ).

thf(1529,plain,
    ! [SV44: $i,SV253: $i] :
      ( ( ( ~ ( relation @ SV253 )
          | ( subset @ ( relation_rng @ ( relation_composition @ SV44 @ SV253 ) ) @ ( relation_rng @ SV253 ) ) )
        = $true )
      | ( ( relation @ SV44 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1311]) ).

thf(1530,plain,
    ! [SV186: $i,SV45: $i] :
      ( ( ( subset @ SV45 @ SV186 )
        = $false )
      | ( ( SV186
          = ( set_union2 @ SV45 @ ( set_difference @ SV186 @ SV45 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1312]) ).

thf(1531,plain,
    ! [SV46: $i,SV254: $i] :
      ( ( ( ~ ( relation @ SV254 )
          | ~ ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SV254 ) )
          | ( ( relation_dom @ ( relation_composition @ SV46 @ SV254 ) )
            = ( relation_dom @ SV46 ) ) )
        = $true )
      | ( ( relation @ SV46 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1313]) ).

thf(1532,plain,
    ! [SV47: $i,SV187: $i] :
      ( ( ( element @ SV187 @ ( powerset @ ( powerset @ SV47 ) ) )
        = $false )
      | ( ( ( SV187 = empty_set )
          | ( ( complements_of_subsets @ SV47 @ SV187 )
           != empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1314]) ).

thf(1533,plain,
    ! [SV48: $i,SV255: $i] :
      ( ( ( ~ ( relation @ SV255 )
          | ~ ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SV255 ) )
          | ( ( relation_rng @ ( relation_composition @ SV255 @ SV48 ) )
            = ( relation_rng @ SV48 ) ) )
        = $true )
      | ( ( relation @ SV48 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1315]) ).

thf(1534,plain,
    ! [SV50: $i,SV240: $i] :
      ( ( ( ~ ( element @ SV240 @ ( powerset @ SV50 ) ) )
        = $true )
      | ( ( ! [SY876: $i] :
              ( ~ ( element @ SY876 @ SV50 )
              | ( in @ SY876 @ SV240 )
              | ( in @ SY876 @ ( subset_complement @ SV50 @ SV240 ) ) ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1316]) ).

thf(1535,plain,
    ! [SV189: $i,SV51: $i,SV241: $i] :
      ( ( ( ~ ( element @ SV241 @ ( powerset @ SV51 ) ) )
        = $true )
      | ( ( ~ ( in @ SV189 @ ( subset_complement @ SV51 @ SV241 ) )
          | ~ ( in @ SV189 @ SV241 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1317]) ).

thf(1536,plain,
    ! [SV52: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK36_B @ SV52 ) @ ( sK37_SY474 @ SV52 ) ) @ SV52 )
        = $true )
      | ( ( SV52 = empty_set )
        = $true )
      | ( ( relation @ SV52 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1318]) ).

thf(1537,plain,
    ! [SV53: $i,SV190: $i] :
      ( ( ( proper_subset @ SV190 @ SV53 )
        = $false )
      | ( ( ~ ( subset @ SV53 @ SV190 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1319]) ).

thf(1538,plain,
    ! [SV54: $i,SV242: $i,SV191: $i] :
      ( ( ( ~ ( disjoint @ SV191 @ SV242 )
          | ~ ( subset @ SV54 @ SV191 ) )
        = $true )
      | ( ( disjoint @ SV54 @ SV242 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1320]) ).

thf(1539,plain,
    ! [SV192: $i,SV56: $i] :
      ( ( ( subset @ ( singleton @ SV56 ) @ ( singleton @ SV192 ) )
        = $false )
      | ( ( SV56 = SV192 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1321]) ).

thf(1540,plain,
    ! [SV58: $i,SV194: $i] :
      ( ( ( relation @ SV194 )
        = $false )
      | ( ( subset @ ( relation_dom_restriction @ SV194 @ SV58 ) @ SV194 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1322]) ).

thf(1541,plain,
    ! [SV243: $i,SV195: $i,SV59: $i] :
      ( ( ( ~ ( subset @ SV59 @ SV195 )
          | ~ ( subset @ SV243 @ SV195 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV59 @ SV243 ) @ SV195 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1323]) ).

thf(1542,plain,
    ! [SV256: $i,SV196: $i,SV60: $i] :
      ( ( ( ( ( singleton @ SV60 )
           != ( unordered_pair @ SV196 @ SV256 ) ) )
        = $true )
      | ( ( SV60 = SV196 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1324]) ).

thf(1543,plain,
    ! [SV61: $i,SV197: $i] :
      ( ( ( relation @ SV197 )
        = $false )
      | ( ( ( relation_dom @ ( relation_dom_restriction @ SV197 @ SV61 ) )
          = ( set_intersection2 @ ( relation_dom @ SV197 ) @ SV61 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1325]) ).

thf(1544,plain,
    ! [SV62: $i,SV198: $i] :
      ( ( ( relation @ SV198 )
        = $false )
      | ( ( subset @ ( relation_rng @ ( relation_dom_restriction @ SV198 @ SV62 ) ) @ ( relation_rng @ SV198 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1326]) ).

thf(1545,plain,
    ! [SV244: $i,SV199: $i,SV64: $i] :
      ( ( ( ( ( singleton @ SV64 )
           != ( unordered_pair @ SV199 @ SV244 ) ) )
        = $true )
      | ( ( SV199 = SV244 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1327]) ).

thf(1546,plain,
    ! [SV70: $i,SV203: $i] :
      ( ( ( element @ SV203 @ ( powerset @ SV70 ) )
        = $false )
      | ( ( ( subset_complement @ SV70 @ SV203 )
          = ( set_difference @ SV70 @ SV203 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1330]) ).

thf(1547,plain,
    ! [SV74: $i,SV205: $i] :
      ( ( ( element @ SV205 @ ( powerset @ SV74 ) )
        = $false )
      | ( ( element @ ( subset_complement @ SV74 @ SV205 ) @ ( powerset @ SV74 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1332]) ).

thf(1548,plain,
    ! [SV206: $i,SV76: $i] :
      ( ( ( ~ ( relation @ SV76 ) )
        = $true )
      | ( ( ~ ( relation @ SV206 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV76 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1334]) ).

thf(1549,plain,
    ! [SV77: $i,SV207: $i] :
      ( ( ( element @ SV207 @ ( powerset @ ( powerset @ SV77 ) ) )
        = $false )
      | ( ( element @ ( union_of_subsets @ SV77 @ SV207 ) @ ( powerset @ SV77 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1335]) ).

thf(1550,plain,
    ! [SV78: $i,SV208: $i] :
      ( ( ( element @ SV208 @ ( powerset @ ( powerset @ SV78 ) ) )
        = $false )
      | ( ( element @ ( meet_of_subsets @ SV78 @ SV208 ) @ ( powerset @ SV78 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1336]) ).

thf(1551,plain,
    ! [SV245: $i,SV79: $i,SV209: $i] :
      ( ( ( ~ ( element @ SV209 @ ( powerset @ SV79 ) )
          | ~ ( element @ SV245 @ ( powerset @ SV79 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV79 @ SV209 @ SV245 ) @ ( powerset @ SV79 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1337]) ).

thf(1552,plain,
    ! [SV257: $i,SV80: $i] :
      ( ( ( relation @ ( relation_dom_restriction @ SV80 @ SV257 ) )
        = $true )
      | ( ( relation @ SV80 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1338]) ).

thf(1553,plain,
    ! [SV81: $i,SV210: $i] :
      ( ( ( element @ SV210 @ ( powerset @ ( powerset @ SV81 ) ) )
        = $false )
      | ( ( element @ ( complements_of_subsets @ SV81 @ SV210 ) @ ( powerset @ ( powerset @ SV81 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1339]) ).

thf(1554,plain,
    ! [SV82: $i,SV211: $i] :
      ( ( ( relation @ SV211 )
        = $false )
      | ( ( relation @ ( relation_rng_restriction @ SV82 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1340]) ).

thf(1555,plain,
    ! [SV212: $i,SV84: $i] :
      ( ( ( ~ ( relation @ SV84 ) )
        = $true )
      | ( ( ~ ( relation @ SV212 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV84 @ SV212 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1341]) ).

thf(1556,plain,
    ! [SV214: $i,SV87: $i] :
      ( ( ( ~ ( relation @ SV87 ) )
        = $true )
      | ( ( ~ ( relation @ SV214 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV87 @ SV214 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1343]) ).

thf(1557,plain,
    ! [SV246: $i,SV89: $i] :
      ( ( ( empty @ ( set_union2 @ SV89 @ SV246 ) )
        = $false )
      | ( ( empty @ SV89 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1344]) ).

thf(1558,plain,
    ! [SV91: $i,SV247: $i] :
      ( ( ( empty @ ( set_union2 @ SV247 @ SV91 ) )
        = $false )
      | ( ( empty @ SV91 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1346]) ).

thf(1559,plain,
    ! [SV216: $i,SV92: $i] :
      ( ( ( empty @ SV92 )
        = $true )
      | ( ( empty @ SV216 )
        = $true )
      | ( ( ~ ( empty @ ( cartesian_product2 @ SV92 @ SV216 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1347]) ).

thf(1560,plain,
    ! [SV93: $i] :
      ( ( ( relation @ SV93 )
        = $false )
      | ( ( empty @ SV93 )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV93 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1348]) ).

thf(1561,plain,
    ! [SV94: $i] :
      ( ( ( relation @ SV94 )
        = $false )
      | ( ( empty @ SV94 )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1349]) ).

thf(1562,plain,
    ! [SV97: $i,SV217: $i] :
      ( ( ( element @ SV217 @ ( powerset @ SV97 ) )
        = $false )
      | ( ( ( subset_complement @ SV97 @ ( subset_complement @ SV97 @ SV217 ) )
          = SV217 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1350]) ).

thf(1563,plain,
    ! [SV99: $i,SV218: $i] :
      ( ( ( element @ SV218 @ ( powerset @ ( powerset @ SV99 ) ) )
        = $false )
      | ( ( ( complements_of_subsets @ SV99 @ ( complements_of_subsets @ SV99 @ SV218 ) )
          = SV218 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1352]) ).

thf(1564,plain,
    ! [SV100: $i,SV219: $i] :
      ( ( ( element @ SV219 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( ( union_of_subsets @ SV100 @ SV219 )
          = ( union @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1353]) ).

thf(1565,plain,
    ! [SV101: $i,SV220: $i] :
      ( ( ( element @ SV220 @ ( powerset @ ( powerset @ SV101 ) ) )
        = $false )
      | ( ( ( meet_of_subsets @ SV101 @ SV220 )
          = ( set_meet @ SV220 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1354]) ).

thf(1566,plain,
    ! [SV248: $i,SV102: $i,SV221: $i] :
      ( ( ( ~ ( element @ SV221 @ ( powerset @ SV102 ) )
          | ~ ( element @ SV248 @ ( powerset @ SV102 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV102 @ SV221 @ SV248 )
          = ( set_difference @ SV221 @ SV248 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1355]) ).

thf(1567,plain,
    ! [SV222: $i,SV104: $i] :
      ( ( ( disjoint @ SV104 @ SV222 )
        = $false )
      | ( ( disjoint @ SV222 @ SV104 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1356]) ).

thf(1568,plain,
    ! [SV109: $i,SV249: $i,SV223: $i] :
      ( ( ( ~ ( element @ SV223 @ ( powerset @ SV249 ) )
          | ~ ( in @ SV109 @ SV223 ) )
        = $true )
      | ( ( ~ ( empty @ SV249 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1357]) ).

thf(1569,plain,
    ! [SV224: $i,SV111: $i] :
      ( ( ( SV111 = SV224 )
        = $true )
      | ( ( ~ ( empty @ SV111 ) )
        = $true )
      | ( ( ~ ( empty @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1359]) ).

thf(1570,plain,
    ! [SV112: $i] :
      ( ( ! [SY607: $i,SY608: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                    | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                    | ~ ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                | ~ ~ ( ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SV112 )
                          | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) )
                      | ~ ( ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY607 )
                          | ( in @ ( sK49_D @ SY608 @ SY607 @ SV112 ) @ SY608 ) ) ) )
            | ( SY608
              = ( set_intersection2 @ SV112 @ SY607 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1360]) ).

thf(1571,plain,
    ! [SV112: $i] :
      ( ( ! [SY609: $i,SY610: $i] :
            ( ( SY610
             != ( set_intersection2 @ SV112 @ SY609 ) )
            | ~ ( ~ ! [SY611: $i] :
                      ( ~ ( in @ SY611 @ SV112 )
                      | ~ ( in @ SY611 @ SY609 )
                      | ( in @ SY611 @ SY610 ) )
                | ~ ~ ( ~ ! [SY612: $i] :
                            ( ~ ( in @ SY612 @ SY610 )
                            | ( in @ SY612 @ SV112 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY610 )
                            | ( in @ SX3 @ SY609 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1361]) ).

thf(1572,plain,
    ! [SV258: $i] :
      ( ( ! [SY877: $i] :
            ( ~ ( ~ ( ! [SY878: $i] :
                        ( ~ ( in @ ( sK47_C @ SY877 @ SV258 ) @ SY878 )
                        | ~ ( in @ SY878 @ SV258 ) )
                    | ~ ( in @ ( sK47_C @ SY877 @ SV258 ) @ SY877 ) )
                | ~ ( ~ ( ~ ( in @ ( sK47_C @ SY877 @ SV258 ) @ ( sK48_SY487 @ SY877 @ SV258 ) )
                        | ~ ( in @ ( sK48_SY487 @ SY877 @ SV258 ) @ SV258 ) )
                    | ( in @ ( sK47_C @ SY877 @ SV258 ) @ SY877 ) ) )
            | ( SY877
              = ( union @ SV258 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1362]) ).

thf(1573,plain,
    ! [SV259: $i] :
      ( ( ! [SY879: $i] :
            ( ( SY879
             != ( union @ SV259 ) )
            | ~ ( ~ ! [SY880: $i] :
                      ( ! [SY881: $i] :
                          ( ~ ( in @ SY880 @ SY881 )
                          | ~ ( in @ SY881 @ SV259 ) )
                      | ( in @ SY880 @ SY879 ) )
                | ~ ! [SY882: $i] :
                      ( ~ ( in @ SY882 @ SY879 )
                      | ~ ( ~ ( in @ SY882 @ ( sK46_D @ SY882 @ SY879 @ SV259 ) )
                          | ~ ( in @ ( sK46_D @ SY882 @ SY879 @ SV259 ) @ SV259 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1363]) ).

thf(1574,plain,
    ! [SV113: $i,SV225: $i] :
      ( ( ( relation @ SV225 )
        = $false )
      | ( ( ~ ( ~ ! [SY839: $i] :
                    ( ~ ( relation @ SY839 )
                    | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                            | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                            | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                                  | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                                  | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) ) ) )
                    | ( SY839
                      = ( relation_rng_restriction @ SV113 @ SV225 ) ) )
              | ~ ! [SY840: $i] :
                    ( ~ ( relation @ SY840 )
                    | ( SY840
                     != ( relation_rng_restriction @ SV113 @ SV225 ) )
                    | ~ ( ~ ! [SY841: $i,SY842: $i] :
                              ( ~ ( in @ SY842 @ SV113 )
                              | ~ ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SV225 )
                              | ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SY840 ) )
                        | ~ ~ ( ~ ! [SY619: $i,SY620: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY619 @ SY620 ) @ SY840 )
                                    | ( in @ SY620 @ SV113 ) )
                              | ~ ! [SY845: $i,SY846: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SY840 )
                                    | ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SV225 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1364]) ).

thf(1575,plain,
    ! [SV260: $i] :
      ( ( ! [SY883: $i] :
            ( ~ ( empty @ SV260 )
            | ~ ( relation @ SY883 )
            | ( empty @ ( relation_composition @ SY883 @ SV260 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1365]) ).

thf(1576,plain,
    ! [SV261: $i] :
      ( ( ! [SY884: $i] :
            ( ~ ( empty @ SV261 )
            | ~ ( relation @ SY884 )
            | ( relation @ ( relation_composition @ SY884 @ SV261 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1366]) ).

thf(1577,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ! [SY847: $i,SY848: $i] :
              ( ~ ( in @ SV114 @ SY847 )
              | ~ ( in @ SV226 @ SY848 )
              | ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY847 @ SY848 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1369]) ).

thf(1578,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ~ ( ~ ! [SY849: $i] :
                    ( ! [SY850: $i] :
                        ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY849 @ SY850 ) )
                    | ( in @ SV114 @ SY849 ) )
              | ~ ! [SY851: $i,SY852: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY851 @ SY852 ) )
                    | ( in @ SV226 @ SY852 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1369]) ).

thf(1579,plain,
    ! [SV262: $i] :
      ( ( ! [SY885: $i] :
            ( ( disjoint @ SV262 @ SY885 )
            | ~ ( ~ ( in @ ( sK72_C @ SY885 @ SV262 ) @ SV262 )
                | ~ ( in @ ( sK72_C @ SY885 @ SV262 ) @ SY885 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1370]) ).

thf(1580,plain,
    ! [SV263: $i] :
      ( ( ! [SY886: $i] :
            ( ! [SY887: $i] :
                ( ~ ( in @ SY887 @ SV263 )
                | ~ ( in @ SY887 @ SY886 ) )
            | ~ ( disjoint @ SV263 @ SY886 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1371]) ).

thf(1581,plain,
    ! [SV264: $i] :
      ( ( ! [SY888: $i] :
            ( ~ ( ~ ( ( ( sK62_C @ SY888 @ SV264 )
                     != SV264 )
                    | ~ ( in @ ( sK62_C @ SY888 @ SV264 ) @ SY888 ) )
                | ~ ( ( ( sK62_C @ SY888 @ SV264 )
                      = SV264 )
                    | ( in @ ( sK62_C @ SY888 @ SV264 ) @ SY888 ) ) )
            | ( SY888
              = ( singleton @ SV264 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1372]) ).

thf(1582,plain,
    ! [SV265: $i] :
      ( ( ! [SY889: $i] :
            ( ( SY889
             != ( singleton @ SV265 ) )
            | ~ ( ~ ! [SY890: $i] :
                      ( ( SY890 != SV265 )
                      | ( in @ SY890 @ SY889 ) )
                | ~ ! [SY891: $i] :
                      ( ~ ( in @ SY891 @ SY889 )
                      | ( SY891 = SV265 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1373]) ).

thf(1583,plain,
    ! [SV266: $i] :
      ( ( ( in @ ( sK61_B @ SV266 ) @ SV266 )
        | ( SV266 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1374]) ).

thf(1584,plain,
    ! [SV267: $i] :
      ( ( ( SV267 != empty_set )
        | ! [SY892: $i] :
            ~ ( in @ SY892 @ SV267 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1375]) ).

thf(1585,plain,
    ! [SV115: $i] :
      ( ( ! [SY630: $i] :
            ( ~ ( subset @ SY630 @ ( sK42_B @ SV115 ) )
            | ( are_equipotent @ SY630 @ ( sK42_B @ SV115 ) )
            | ( in @ SY630 @ ( sK42_B @ SV115 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1376]) ).

thf(1586,plain,
    ! [SV115: $i] :
      ( ( ~ ( ~ ! [SY631: $i] :
                  ( ~ ( ~ ! [SY632: $i] :
                            ( ~ ( subset @ SY632 @ SY631 )
                            | ( in @ SY632 @ ( sK43_SY481 @ SY631 @ SV115 ) ) )
                      | ~ ( in @ ( sK43_SY481 @ SY631 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
                  | ~ ( in @ SY631 @ ( sK42_B @ SV115 ) ) )
            | ~ ~ ( ~ ! [SY633: $i,SY634: $i] :
                        ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
                        | ~ ( subset @ SY634 @ SY633 )
                        | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
                  | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1377]) ).

thf(1587,plain,
    ! [SV268: $i] :
      ( ( ! [SY893: $i] :
            ( ~ ( subset @ SV268 @ ( singleton @ SY893 ) )
            | ( SV268 = empty_set )
            | ( SV268
              = ( singleton @ SY893 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1378]) ).

thf(1588,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1379]) ).

thf(1589,plain,
    ! [SV116: $i] :
      ( ( ( function @ SV116 )
        = $false )
      | ( ( ~ ( relation @ SV116 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ! [SY635: $i] :
                          ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                          | ! [SY636: $i] :
                              ( ( SY636
                               != ( apply @ SV116 @ SY635 ) )
                              | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
                    | ~ ! [SY637: $i] :
                          ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                          | ! [SY638: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                              | ( SY638
                                = ( apply @ SV116 @ SY637 ) ) ) ) )
              | ~ ~ ( ~ ! [SY639: $i] :
                          ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                          | ! [SY640: $i] :
                              ( ( SY640
                               != ( apply @ SV116 @ SY639 ) )
                              | ( SY640 = empty_set ) ) )
                    | ~ ! [SY641: $i] :
                          ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                          | ! [SY642: $i] :
                              ( ( SY642 != empty_set )
                              | ( SY642
                                = ( apply @ SV116 @ SY641 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1380]) ).

thf(1590,plain,
    ! [SV117: $i] :
      ( ( ! [SY643: $i,SY644: $i] :
            ( ~ ( ~ ( ! [SY645: $i,SY646: $i] :
                        ( ~ ( in @ SY645 @ SV117 )
                        | ~ ( in @ SY646 @ SY643 )
                        | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                         != ( ordered_pair @ SY645 @ SY646 ) ) )
                    | ~ ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) )
                | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ SV117 )
                              | ~ ( in @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) @ SY643 ) )
                        | ( ( sK53_D @ SY644 @ SY643 @ SV117 )
                         != ( ordered_pair @ ( sK54_SY491 @ SY644 @ SY643 @ SV117 ) @ ( sK55_SY493 @ SY644 @ SY643 @ SV117 ) ) ) )
                    | ( in @ ( sK53_D @ SY644 @ SY643 @ SV117 ) @ SY644 ) ) )
            | ( SY644
              = ( cartesian_product2 @ SV117 @ SY643 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1381]) ).

thf(1591,plain,
    ! [SV117: $i] :
      ( ( ! [SY647: $i,SY648: $i] :
            ( ( SY648
             != ( cartesian_product2 @ SV117 @ SY647 ) )
            | ~ ( ~ ! [SY649: $i] :
                      ( ! [SY650: $i,SY651: $i] :
                          ( ~ ( in @ SY650 @ SV117 )
                          | ~ ( in @ SY651 @ SY647 )
                          | ( SY649
                           != ( ordered_pair @ SY650 @ SY651 ) ) )
                      | ( in @ SY649 @ SY648 ) )
                | ~ ! [SY652: $i] :
                      ( ~ ( in @ SY652 @ SY648 )
                      | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ SV117 )
                                | ~ ( in @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) @ SY647 ) )
                          | ( SY652
                           != ( ordered_pair @ ( sK51_E @ SY652 @ SY648 @ SY647 @ SV117 ) @ ( sK52_SY488 @ SY652 @ SY648 @ SY647 @ SV117 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1382]) ).

thf(1592,plain,
    ! [SV269: $i] :
      ( ( ! [SY894: $i] :
            ( ( ( set_difference @ SV269 @ SY894 )
             != empty_set )
            | ( subset @ SV269 @ SY894 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1383]) ).

thf(1593,plain,
    ! [SV270: $i] :
      ( ( ! [SY895: $i] :
            ( ~ ( subset @ SV270 @ SY895 )
            | ( ( set_difference @ SV270 @ SY895 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1384]) ).

thf(1594,plain,
    ! [SV271: $i] :
      ( ( ~ ( relation @ SV271 )
        | ( ( relation_dom @ SV271 )
         != empty_set )
        | ( ( relation_rng @ SV271 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1385]) ).

thf(1595,plain,
    ! [SV272: $i] :
      ( ( ~ ( relation @ SV272 )
        | ( ( relation_rng @ SV272 )
         != empty_set )
        | ( ( relation_dom @ SV272 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1386]) ).

thf(1596,plain,
    ! [SV118: $i] :
      ( ( ! [SY653: $i,SY654: $i] :
            ( ~ ( function @ SY654 )
            | ~ ( relation @ SY654 )
            | ( SY653
             != ( apply @ SY654 @ SV118 ) )
            | ~ ( in @ SV118 @ ( relation_dom @ SY654 ) )
            | ( in @ ( ordered_pair @ SV118 @ SY653 ) @ SY654 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1389]) ).

thf(1597,plain,
    ! [SV118: $i] :
      ( ( ~ ( ~ ! [SY655: $i,SY656: $i] :
                  ( ~ ( function @ SY656 )
                  | ~ ( relation @ SY656 )
                  | ~ ( in @ ( ordered_pair @ SV118 @ SY655 ) @ SY656 )
                  | ( SY655
                    = ( apply @ SY656 @ SV118 ) ) )
            | ~ ! [SY657: $i,SY658: $i] :
                  ( ~ ( function @ SY658 )
                  | ~ ( relation @ SY658 )
                  | ~ ( in @ ( ordered_pair @ SV118 @ SY657 ) @ SY658 )
                  | ( in @ SV118 @ ( relation_dom @ SY658 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1390]) ).

thf(1598,plain,
    ! [SV273: $i] :
      ( ( ! [SY896: $i] :
            ( ~ ( relation @ SY896 )
            | ~ ( ~ ( ( ( sK69_C @ SY896 @ SV273 )
                     != ( sK70_SY500 @ SY896 @ SV273 ) )
                    | ~ ( in @ ( sK69_C @ SY896 @ SV273 ) @ SV273 )
                    | ~ ( in @ ( ordered_pair @ ( sK69_C @ SY896 @ SV273 ) @ ( sK70_SY500 @ SY896 @ SV273 ) ) @ SY896 ) )
                | ~ ~ ( ~ ( ( ( sK69_C @ SY896 @ SV273 )
                            = ( sK70_SY500 @ SY896 @ SV273 ) )
                          | ( in @ ( ordered_pair @ ( sK69_C @ SY896 @ SV273 ) @ ( sK70_SY500 @ SY896 @ SV273 ) ) @ SY896 ) )
                      | ~ ( ( in @ ( sK69_C @ SY896 @ SV273 ) @ SV273 )
                          | ( in @ ( ordered_pair @ ( sK69_C @ SY896 @ SV273 ) @ ( sK70_SY500 @ SY896 @ SV273 ) ) @ SY896 ) ) ) )
            | ( SY896
              = ( identity_relation @ SV273 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1393]) ).

thf(1599,plain,
    ! [SV274: $i] :
      ( ( ! [SY897: $i] :
            ( ~ ( relation @ SY897 )
            | ( SY897
             != ( identity_relation @ SV274 ) )
            | ~ ( ~ ! [SY898: $i,SY899: $i] :
                      ( ( SY898 != SY899 )
                      | ~ ( in @ SY898 @ SV274 )
                      | ( in @ ( ordered_pair @ SY898 @ SY899 ) @ SY897 ) )
                | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                            ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SY897 )
                            | ( SX2 = SX3 ) )
                      | ~ ! [SY902: $i] :
                            ( ! [SX3: $i] :
                                ~ ( in @ ( ordered_pair @ SY902 @ SX3 ) @ SY897 )
                            | ( in @ SY902 @ SV274 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1394]) ).

thf(1600,plain,
    ! [SV119: $i] :
      ( ( element @ ( sK5_B @ SV119 ) @ ( powerset @ SV119 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1395]) ).

thf(1601,plain,
    ! [SV119: $i] :
      ( ( empty @ ( sK5_B @ SV119 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1396]) ).

thf(1602,plain,
    ! [SV120: $i,SV275: $i] :
      ( ( ( ~ ( relation @ SV275 )
          | ~ ( ~ ! [SY904: $i] :
                    ( ~ ( relation @ SY904 )
                    | ~ ( ~ ( ! [SY905: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ SY905 ) @ SV120 )
                                | ~ ( in @ ( ordered_pair @ SY905 @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) ) @ SV120 )
                                | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                            | ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) ) )
                    | ( SY904
                      = ( relation_composition @ SV120 @ SV275 ) ) )
              | ~ ! [SY906: $i] :
                    ( ~ ( relation @ SY906 )
                    | ( SY906
                     != ( relation_composition @ SV120 @ SV275 ) )
                    | ~ ( ~ ! [SY907: $i,SY908: $i] :
                              ( ! [SY909: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY907 @ SY909 ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ SY909 @ SY908 ) @ SV275 ) )
                              | ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SY906 ) )
                        | ~ ! [SY910: $i,SY911: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY910 @ SY911 ) @ SY906 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY910 @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) @ SY911 ) @ SV275 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1397]) ).

thf(1603,plain,
    ! [SV121: $i,SV227: $i] :
      ( ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY853: $i] :
                    ( ~ ( element @ SY853 @ ( powerset @ SV121 ) )
                    | ~ ( disjoint @ SV227 @ SY853 )
                    | ( subset @ SV227 @ ( subset_complement @ SV121 @ SY853 ) ) )
              | ~ ! [SY854: $i] :
                    ( ~ ( element @ SY854 @ ( powerset @ SV121 ) )
                    | ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SY854 ) )
                    | ( disjoint @ SV227 @ SY854 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1398]) ).

thf(1604,plain,
    ! [SV122: $i] :
      ( ( ! [SY671: $i,SY672: $i] :
            ( ~ ( relation @ SY672 )
            | ~ ( in @ SV122 @ SY671 )
            | ~ ( in @ SV122 @ ( relation_rng @ SY672 ) )
            | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY671 @ SY672 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1399]) ).

thf(1605,plain,
    ! [SV122: $i] :
      ( ( ~ ( ~ ! [SY673: $i,SY674: $i] :
                  ( ~ ( relation @ SY674 )
                  | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY673 @ SY674 ) ) )
                  | ( in @ SV122 @ SY673 ) )
            | ~ ! [SY675: $i,SY676: $i] :
                  ( ~ ( relation @ SY676 )
                  | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY675 @ SY676 ) ) )
                  | ( in @ SV122 @ ( relation_rng @ SY676 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1400]) ).

thf(1606,plain,
    ! [SV123: $i] :
      ( ( ( ~ ! [SY677: $i,SY678: $i] :
                ( ~ ( relation @ SY678 )
                | ~ ( ~ ( ~ ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                        | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                        | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                    | ~ ~ ( ~ ( ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                              | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                          | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                              | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) ) ) )
                | ( SY678
                  = ( relation_dom_restriction @ SV123 @ SY677 ) ) )
          | ~ ! [SY679: $i,SY680: $i] :
                ( ~ ( relation @ SY680 )
                | ( SY680
                 != ( relation_dom_restriction @ SV123 @ SY679 ) )
                | ~ ( ~ ! [SY681: $i,SY682: $i] :
                          ( ~ ( in @ SY681 @ SY679 )
                          | ~ ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SV123 )
                          | ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SY680 ) )
                    | ~ ~ ( ~ ! [SX3: $i] :
                                ( ! [SX4: $i] :
                                    ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY680 )
                                | ( in @ SX3 @ SY679 ) )
                          | ~ ! [SY685: $i,SY686: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SY680 )
                                | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV123 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1401]) ).

thf(1607,plain,
    ! [SV124: $i] :
      ( ( ( ~ ! [SY687: $i] :
                ( ~ ( relation @ SY687 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                        | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                        | ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) ) )
                | ( SY687
                  = ( relation_inverse @ SV124 ) ) )
          | ~ ! [SY688: $i] :
                ( ~ ( relation @ SY688 )
                | ( SY688
                 != ( relation_inverse @ SV124 ) )
                | ~ ( ~ ! [SY689: $i,SY690: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY689 @ SY690 ) @ SY688 )
                          | ( in @ ( ordered_pair @ SY690 @ SY689 ) @ SV124 ) )
                    | ~ ! [SY691: $i,SY692: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY692 @ SY691 ) @ SV124 )
                          | ( in @ ( ordered_pair @ SY691 @ SY692 ) @ SY688 ) ) ) ) )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1402]) ).

thf(1608,plain,
    ! [SV276: $i] :
      ( ( ! [SY912: $i] :
            ( ~ ( element @ SV276 @ ( powerset @ SY912 ) )
            | ( subset @ SV276 @ SY912 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1403]) ).

thf(1609,plain,
    ! [SV277: $i] :
      ( ( ! [SY913: $i] :
            ( ~ ( subset @ SV277 @ SY913 )
            | ( element @ SV277 @ ( powerset @ SY913 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1404]) ).

thf(1610,plain,
    ! [SV278: $i] :
      ( ( ! [SY914: $i] :
            ( ~ ( in @ SV278 @ SY914 )
            | ( subset @ ( singleton @ SV278 ) @ SY914 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1405]) ).

thf(1611,plain,
    ! [SV279: $i] :
      ( ( ! [SY915: $i] :
            ( ~ ( subset @ ( singleton @ SV279 ) @ SY915 )
            | ( in @ SV279 @ SY915 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1406]) ).

thf(1612,plain,
    ! [SV280: $i] :
      ( ( ! [SY916: $i] :
            ( ( ( set_intersection2 @ SV280 @ SY916 )
             != empty_set )
            | ( disjoint @ SV280 @ SY916 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1407]) ).

thf(1613,plain,
    ! [SV281: $i] :
      ( ( ! [SY917: $i] :
            ( ~ ( disjoint @ SV281 @ SY917 )
            | ( ( set_intersection2 @ SV281 @ SY917 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1408]) ).

thf(1614,plain,
    ! [SV282: $i] :
      ( ( ! [SY918: $i] :
            ( ~ ( function @ SY918 )
            | ~ ( relation @ SY918 )
            | ~ ( ~ ( in @ ( sK38_C @ SY918 @ SV282 ) @ SV282 )
                | ~ ( ( ( apply @ SY918 @ ( sK38_C @ SY918 @ SV282 ) )
                     != ( sK38_C @ SY918 @ SV282 ) ) ) )
            | ( ( relation_dom @ SY918 )
             != SV282 )
            | ( SY918
              = ( identity_relation @ SV282 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1409]) ).

thf(1615,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX1 )
            | ~ ( relation @ SX1 )
            | ( SX1
             != ( identity_relation @ SX0 ) )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( ( apply @ SX1 @ SX2 )
                  = SX2 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX1 )
            | ~ ( relation @ SX1 )
            | ( SX1
             != ( identity_relation @ SX0 ) )
            | ( ( relation_dom @ SX1 )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1410]) ).

thf(1616,plain,
    ! [SV283: $i] :
      ( ( ! [SY919: $i] :
            ( ( ( set_difference @ SV283 @ SY919 )
             != empty_set )
            | ( subset @ SV283 @ SY919 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1411]) ).

thf(1617,plain,
    ! [SV284: $i] :
      ( ( ! [SY920: $i] :
            ( ~ ( subset @ SV284 @ SY920 )
            | ( ( set_difference @ SV284 @ SY920 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1412]) ).

thf(1618,plain,
    ! [SV285: $i] :
      ( ( ! [SY921: $i] :
            ( ~ ( subset @ SV285 @ SY921 )
            | ~ ( subset @ SY921 @ SV285 )
            | ( SV285 = SY921 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1413]) ).

thf(1619,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1414]) ).

thf(1620,plain,
    ! [SV125: $i] :
      ( ( ( ~ ! [SY693: $i,SY694: $i] :
                ( ~ ( ~ ( ! [SY695: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY695 @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                            | ~ ( in @ SY695 @ SY693 ) )
                        | ~ ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                            | ~ ( in @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ SY693 ) )
                        | ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) ) )
                | ( SY694
                  = ( relation_image @ SV125 @ SY693 ) ) )
          | ~ ! [SY696: $i,SY697: $i] :
                ( ( SY697
                 != ( relation_image @ SV125 @ SY696 ) )
                | ~ ( ~ ! [SY698: $i] :
                          ( ! [SY699: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY699 @ SY698 ) @ SV125 )
                              | ~ ( in @ SY699 @ SY696 ) )
                          | ( in @ SY698 @ SY697 ) )
                    | ~ ! [SY700: $i] :
                          ( ~ ( in @ SY700 @ SY697 )
                          | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY700 ) @ SV125 )
                              | ~ ( in @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY696 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1415]) ).

thf(1621,plain,
    ! [SV126: $i] :
      ( ( ! [SY701: $i,SY702: $i] :
            ( ~ ( relation @ SY702 )
            | ~ ( in @ ( ordered_pair @ SV126 @ SY701 ) @ SY702 )
            | ( in @ SV126 @ ( relation_field @ SY702 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1416]) ).

thf(1622,plain,
    ! [SV126: $i] :
      ( ( ! [SY703: $i,SY704: $i] :
            ( ~ ( relation @ SY704 )
            | ~ ( in @ ( ordered_pair @ SV126 @ SY703 ) @ SY704 )
            | ( in @ SY703 @ ( relation_field @ SY704 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1417]) ).

thf(1623,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ! [SY855: $i,SY856: $i] :
              ( ~ ( relation @ SY856 )
              | ~ ( in @ SV127 @ SY855 )
              | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY856 )
              | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY855 ) @ SY856 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1624,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ~ ( ~ ! [SY857: $i,SY858: $i] :
                    ( ~ ( relation @ SY858 )
                    | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY857 ) @ SY858 ) )
                    | ( in @ SV127 @ SY857 ) )
              | ~ ! [SY859: $i,SY860: $i] :
                    ( ~ ( relation @ SY860 )
                    | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY859 ) @ SY860 ) )
                    | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY860 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1625,plain,
    ! [SV286: $i] :
      ( ( ! [SY922: $i] :
            ( ~ ( in @ SV286 @ SY922 )
            | ( subset @ ( singleton @ SV286 ) @ SY922 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1419]) ).

thf(1626,plain,
    ! [SV287: $i] :
      ( ( ! [SY923: $i] :
            ( ~ ( subset @ ( singleton @ SV287 ) @ SY923 )
            | ( in @ SV287 @ SY923 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1420]) ).

thf(1627,plain,
    ! [SV128: $i] :
      ( ( ! [SY712: $i,SY713: $i] :
            ( ~ ( in @ SV128 @ SY713 )
            | ~ ( in @ SY712 @ SY713 )
            | ( subset @ ( unordered_pair @ SV128 @ SY712 ) @ SY713 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1421]) ).

thf(1628,plain,
    ! [SV128: $i] :
      ( ( ~ ( ~ ! [SY714: $i,SY715: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV128 @ SY714 ) @ SY715 )
                  | ( in @ SV128 @ SY715 ) )
            | ~ ! [SY716: $i,SY717: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV128 @ SY716 ) @ SY717 )
                  | ( in @ SY716 @ SY717 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1422]) ).

thf(1629,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( in @ SX1 @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( in @ SX1 @ SX0 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1423]) ).

thf(1630,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( empty @ SX1 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( empty @ SX1 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1424]) ).

thf(1631,plain,
    ! [SV129: $i] :
      ( ( ( ~ ! [SY718: $i] :
                ( ~ ( ~ ( ! [SY719: $i] :
                            ~ ( in @ ( ordered_pair @ SY719 @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                        | ~ ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SY718 @ SV129 ) @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                        | ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) ) )
                | ( SY718
                  = ( relation_rng @ SV129 ) ) )
          | ~ ! [SY720: $i] :
                ( ( SY720
                 != ( relation_rng @ SV129 ) )
                | ~ ( ~ ! [SY721: $i] :
                          ( ! [SY722: $i] :
                              ~ ( in @ ( ordered_pair @ SY722 @ SY721 ) @ SV129 )
                          | ( in @ SY721 @ SY720 ) )
                    | ~ ! [SY723: $i] :
                          ( ~ ( in @ SY723 @ SY720 )
                          | ( in @ ( ordered_pair @ ( sK18_D @ SY723 @ SY720 @ SV129 ) @ SY723 ) @ SV129 ) ) ) ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1427]) ).

thf(1632,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1428]) ).

thf(1633,plain,
    ! [SV288: $i] :
      ( ( ! [SY924: $i] :
            ( ( ( set_difference @ SV288 @ ( singleton @ SY924 ) )
             != SV288 )
            | ~ ( in @ SY924 @ SV288 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1430]) ).

thf(1634,plain,
    ! [SV289: $i] :
      ( ( ! [SY925: $i] :
            ( ( in @ SY925 @ SV289 )
            | ( ( set_difference @ SV289 @ ( singleton @ SY925 ) )
              = SV289 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1431]) ).

thf(1635,plain,
    ! [SV290: $i] :
      ( ( function @ ( identity_relation @ SV290 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1432]) ).

thf(1636,plain,
    ! [SV291: $i] :
      ( ( relation @ ( identity_relation @ SV291 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1433]) ).

thf(1637,plain,
    ! [SV292: $i] :
      ( ( ! [SY926: $i] :
            ( ( disjoint @ SV292 @ SY926 )
            | ( in @ ( sK71_C @ SY926 @ SV292 ) @ ( set_intersection2 @ SV292 @ SY926 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1434]) ).

thf(1638,plain,
    ! [SV293: $i] :
      ( ( ! [SY927: $i] :
            ( ! [SY928: $i] :
                ~ ( in @ SY928 @ ( set_intersection2 @ SV293 @ SY927 ) )
            | ~ ( disjoint @ SV293 @ SY927 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1435]) ).

thf(1639,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ( ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV130 )
          | ~ ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV229 ) )
        = $false )
      | ( ( element @ SV130 @ ( powerset @ SV229 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1436]) ).

thf(1640,plain,
    ! [SV131: $i] :
      ( ( ( ~ ! [SY725: $i,SY726: $i] :
                ( ~ ( ~ ( ! [SY727: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY727 ) @ SV131 )
                            | ~ ( in @ SY727 @ SY725 ) )
                        | ~ ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) ) @ SV131 )
                            | ~ ( in @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) @ SY725 ) )
                        | ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) ) )
                | ( SY726
                  = ( relation_inverse_image @ SV131 @ SY725 ) ) )
          | ~ ! [SY728: $i,SY729: $i] :
                ( ( SY729
                 != ( relation_inverse_image @ SV131 @ SY728 ) )
                | ~ ( ~ ! [SY730: $i] :
                          ( ! [SY731: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY730 @ SY731 ) @ SV131 )
                              | ~ ( in @ SY731 @ SY728 ) )
                          | ( in @ SY730 @ SY729 ) )
                    | ~ ! [SY732: $i] :
                          ( ~ ( in @ SY732 @ SY729 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY732 @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) ) @ SV131 )
                              | ~ ( in @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) @ SY728 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1437]) ).

thf(1641,plain,
    ! [SV294: $i] :
      ( ( ! [SY929: $i] :
            ( ( ( set_difference @ SV294 @ SY929 )
             != SV294 )
            | ( disjoint @ SV294 @ SY929 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1438]) ).

thf(1642,plain,
    ! [SV295: $i] :
      ( ( ! [SY930: $i] :
            ( ~ ( disjoint @ SV295 @ SY930 )
            | ( ( set_difference @ SV295 @ SY930 )
              = SV295 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1439]) ).

thf(1643,plain,
    ! [SV296: $i] :
      ( ( ~ ( ~ ! [SY931: $i,SY932: $i] :
                  ( ( sK68_B @ SV296 )
                 != ( ordered_pair @ SY931 @ SY932 ) )
            | ~ ( in @ ( sK68_B @ SV296 ) @ SV296 ) )
        | ( relation @ SV296 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1440]) ).

thf(1644,plain,
    ! [SV297: $i] :
      ( ( ~ ( relation @ SV297 )
        | ! [SY933: $i] :
            ( ( SY933
              = ( ordered_pair @ ( sK66_C @ SY933 @ SV297 ) @ ( sK67_SY497 @ SY933 @ SV297 ) ) )
            | ~ ( in @ SY933 @ SV297 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1441]) ).

thf(1645,plain,
    ! [SV132: $i] :
      ( ( ! [SY733: $i,SY734: $i] :
            ( ~ ( relation @ SY734 )
            | ~ ( in @ SV132 @ SY733 )
            | ~ ( in @ SV132 @ ( relation_dom @ SY734 ) )
            | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY734 @ SY733 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1442]) ).

thf(1646,plain,
    ! [SV132: $i] :
      ( ( ~ ( ~ ! [SY735: $i,SY736: $i] :
                  ( ~ ( relation @ SY736 )
                  | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY736 @ SY735 ) ) )
                  | ( in @ SV132 @ SY735 ) )
            | ~ ! [SY737: $i,SY738: $i] :
                  ( ~ ( relation @ SY738 )
                  | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY738 @ SY737 ) ) )
                  | ( in @ SV132 @ ( relation_dom @ SY738 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1443]) ).

thf(1647,plain,
    ! [SV133: $i] :
      ( ( ! [SY739: $i,SY740: $i] :
            ( ~ ( relation @ SY740 )
            | ~ ( in @ ( ordered_pair @ SV133 @ SY739 ) @ SY740 )
            | ( in @ SV133 @ ( relation_dom @ SY740 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1444]) ).

thf(1648,plain,
    ! [SV133: $i] :
      ( ( ! [SY741: $i,SY742: $i] :
            ( ~ ( relation @ SY742 )
            | ~ ( in @ ( ordered_pair @ SV133 @ SY741 ) @ SY742 )
            | ( in @ SY741 @ ( relation_rng @ SY742 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1445]) ).

thf(1649,plain,
    ! [SV134: $i] :
      ( ( ( ~ ! [SY743: $i] :
                ( ~ ( ~ ( ! [SY744: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ SY744 ) @ SV134 )
                        | ~ ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ ( sK23_SY466 @ SY743 @ SV134 ) ) @ SV134 )
                        | ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) ) )
                | ( SY743
                  = ( relation_dom @ SV134 ) ) )
          | ~ ! [SY745: $i] :
                ( ( SY745
                 != ( relation_dom @ SV134 ) )
                | ~ ( ~ ! [SY746: $i] :
                          ( ! [SY747: $i] :
                              ~ ( in @ ( ordered_pair @ SY746 @ SY747 ) @ SV134 )
                          | ( in @ SY746 @ SY745 ) )
                    | ~ ! [SY748: $i] :
                          ( ~ ( in @ SY748 @ SY745 )
                          | ( in @ ( ordered_pair @ SY748 @ ( sK21_D @ SY748 @ SY745 @ SV134 ) ) @ SV134 ) ) ) ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1446]) ).

thf(1650,plain,
    ! [SV135: $i] :
      ( ( ! [SY749: $i,SY750: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                          | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                           != SV135 ) )
                      | ~ ( ~ ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                          | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                           != SY749 ) ) )
                | ~ ( ( in @ ( sK57_D @ SY750 @ SY749 @ SV135 ) @ SY750 )
                    | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                      = SV135 )
                    | ( ( sK57_D @ SY750 @ SY749 @ SV135 )
                      = SY749 ) ) )
            | ( SY750
              = ( unordered_pair @ SV135 @ SY749 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1447]) ).

thf(1651,plain,
    ! [SV135: $i] :
      ( ( ! [SY751: $i,SY752: $i] :
            ( ( SY752
             != ( unordered_pair @ SV135 @ SY751 ) )
            | ~ ( ~ ! [SY753: $i] :
                      ( ~ ( in @ SY753 @ SY752 )
                      | ( SY753 = SV135 )
                      | ( SY753 = SY751 ) )
                | ~ ~ ( ~ ! [SY754: $i] :
                            ( ( SY754 != SV135 )
                            | ( in @ SY754 @ SY752 ) )
                      | ~ ! [SX3: $i] :
                            ( ( SX3 != SY751 )
                            | ( in @ SX3 @ SY752 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1448]) ).

thf(1652,plain,
    ! [SV136: $i] :
      ( ( ( ~ ! [SY756: $i] :
                ( ~ ( relation @ SY756 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                        | ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                        | ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) ) )
                | ( SV136 = SY756 ) )
          | ~ ! [SY757: $i] :
                ( ~ ( relation @ SY757 )
                | ( SV136 != SY757 )
                | ~ ( ~ ! [SY758: $i,SY759: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SV136 )
                          | ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SY757 ) )
                    | ~ ! [SY760: $i,SY761: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SY757 )
                          | ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SV136 ) ) ) ) )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1451]) ).

thf(1653,plain,
    ! [SV298: $i] :
      ( ( ! [SY934: $i] :
            ( ~ ( function @ SV298 )
            | ~ ( relation @ SV298 )
            | ~ ( relation @ SY934 )
            | ~ ( function @ SY934 )
            | ( function @ ( relation_composition @ SV298 @ SY934 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1452]) ).

thf(1654,plain,
    ! [SV299: $i] :
      ( ( ! [SY935: $i] :
            ( ~ ( function @ SV299 )
            | ~ ( relation @ SV299 )
            | ~ ( relation @ SY935 )
            | ~ ( function @ SY935 )
            | ( relation @ ( relation_composition @ SV299 @ SY935 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1453]) ).

thf(1655,plain,
    ! [SV137: $i,SV230: $i] :
      ( ( ( ~ ( function @ SV230 ) )
        = $true )
      | ( ( ~ ( relation @ SV230 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY861: $i] :
                    ( ~ ( function @ SY861 )
                    | ~ ( relation @ SY861 )
                    | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
                    | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
                    | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) )
              | ~ ~ ( ~ ! [SY862: $i] :
                          ( ~ ( function @ SY862 )
                          | ~ ( relation @ SY862 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                          | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
                    | ~ ! [SY863: $i] :
                          ( ~ ( function @ SY863 )
                          | ~ ( relation @ SY863 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                          | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1454]) ).

thf(1656,plain,
    ! [SV138: $i] :
      ( ( ! [SY766: $i] :
            ( ~ ( subset @ SY766 @ ( sK41_B @ SV138 ) )
            | ( are_equipotent @ SY766 @ ( sK41_B @ SV138 ) )
            | ( in @ SY766 @ ( sK41_B @ SV138 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1455]) ).

thf(1657,plain,
    ! [SV138: $i] :
      ( ( ~ ( ~ ! [SY767: $i] :
                  ( ~ ( in @ SY767 @ ( sK41_B @ SV138 ) )
                  | ( in @ ( powerset @ SY767 ) @ ( sK41_B @ SV138 ) ) )
            | ~ ~ ( ~ ! [SY768: $i,SY769: $i] :
                        ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
                        | ~ ( subset @ SY769 @ SY768 )
                        | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
                  | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1456]) ).

thf(1658,plain,
    ! [SV139: $i] :
      ( ( ( ~ ! [SY770: $i] :
                ( ~ ( relation @ SY770 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SV139 )
                    | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SY770 ) )
                | ( subset @ SV139 @ SY770 ) )
          | ~ ! [SY771: $i] :
                ( ~ ( relation @ SY771 )
                | ~ ( subset @ SV139 @ SY771 )
                | ! [SY772: $i,SY773: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SV139 )
                    | ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SY771 ) ) ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1457]) ).

thf(1659,plain,
    ! [SV300: $i] :
      ( ( ! [SY936: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK60_C @ SY936 @ SV300 ) @ SY936 )
                    | ~ ( subset @ ( sK60_C @ SY936 @ SV300 ) @ SV300 ) )
                | ~ ( ( in @ ( sK60_C @ SY936 @ SV300 ) @ SY936 )
                    | ( subset @ ( sK60_C @ SY936 @ SV300 ) @ SV300 ) ) )
            | ( SY936
              = ( powerset @ SV300 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1458]) ).

thf(1660,plain,
    ! [SV301: $i] :
      ( ( ! [SY937: $i] :
            ( ( SY937
             != ( powerset @ SV301 ) )
            | ~ ( ~ ! [SY938: $i] :
                      ( ~ ( in @ SY938 @ SY937 )
                      | ( subset @ SY938 @ SV301 ) )
                | ~ ! [SY939: $i] :
                      ( ~ ( subset @ SY939 @ SV301 )
                      | ( in @ SY939 @ SY937 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1459]) ).

thf(1661,plain,
    ! [SV302: $i] :
      ( ( ! [SY940: $i] :
            ( ~ ( empty @ SV302 )
            | ~ ( relation @ SY940 )
            | ( empty @ ( relation_composition @ SV302 @ SY940 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1460]) ).

thf(1662,plain,
    ! [SV303: $i] :
      ( ( ! [SY941: $i] :
            ( ~ ( empty @ SV303 )
            | ~ ( relation @ SY941 )
            | ( relation @ ( relation_composition @ SV303 @ SY941 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1461]) ).

thf(1663,plain,
    ! [SV140: $i] :
      ( ( ( ~ ! [SY774: $i] :
                ( ~ ( relation @ SY774 )
                | ~ ( subset @ SV140 @ SY774 )
                | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SY774 ) ) )
          | ~ ! [SY775: $i] :
                ( ~ ( relation @ SY775 )
                | ~ ( subset @ SV140 @ SY775 )
                | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SY775 ) ) ) )
        = $false )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1462]) ).

thf(1664,plain,
    ! [SV141: $i] :
      ( ( ( ~ ( element @ ( sK8_B @ SV141 ) @ ( powerset @ SV141 ) ) )
        = $false )
      | ( ( empty @ SV141 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1463]) ).

thf(1665,plain,
    ! [SV141: $i] :
      ( ( ( ~ ~ ( empty @ ( sK8_B @ SV141 ) ) )
        = $false )
      | ( ( empty @ SV141 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1463]) ).

thf(1666,plain,
    ! [SV142: $i] :
      ( ( ! [SY776: $i,SY777: $i] :
            ( ~ ( relation @ SY777 )
            | ! [SY778: $i] :
                ( ~ ( in @ SY778 @ ( relation_rng @ SY777 ) )
                | ~ ( in @ ( ordered_pair @ SV142 @ SY778 ) @ SY777 )
                | ~ ( in @ SY778 @ SY776 ) )
            | ( in @ SV142 @ ( relation_inverse_image @ SY777 @ SY776 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1464]) ).

thf(1667,plain,
    ! [SV142: $i] :
      ( ( ! [SY779: $i,SY780: $i] :
            ( ~ ( relation @ SY780 )
            | ~ ( in @ SV142 @ ( relation_inverse_image @ SY780 @ SY779 ) )
            | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ ( relation_rng @ SY780 ) )
                      | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SY780 @ SY779 @ SV142 ) ) @ SY780 ) )
                | ~ ( in @ ( sK39_D @ SY780 @ SY779 @ SV142 ) @ SY779 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1465]) ).

thf(1668,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ ( sK65_SY495 @ SX1 @ SX0 ) ) )
                        | ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SX0 )
                            | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX2 ) )
                        | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( ~ ( in @ ( sK63_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                              | ~ ~ ( in @ SX2 @ ( sK63_D @ SX2 @ SX1 @ SX0 ) ) )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SX0 )
                              | ( in @ SX2 @ SX3 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1466]) ).

thf(1669,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ( SX1 = empty_set ) ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1 != empty_set )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1467]) ).

thf(1670,plain,
    ! [SV304: $i] :
      ( ( ~ ( relation @ SV304 )
        | ( ( relation_rng @ SV304 )
          = ( relation_dom @ ( relation_inverse @ SV304 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1468]) ).

thf(1671,plain,
    ! [SV305: $i] :
      ( ( ~ ( relation @ SV305 )
        | ( ( relation_dom @ SV305 )
          = ( relation_rng @ ( relation_inverse @ SV305 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1469]) ).

thf(1672,plain,
    ! [SV306: $i] :
      ( ( ( relation_dom @ ( identity_relation @ SV306 ) )
        = SV306 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1470]) ).

thf(1673,plain,
    ! [SV307: $i] :
      ( ( ( relation_rng @ ( identity_relation @ SV307 ) )
        = SV307 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1471]) ).

thf(1674,plain,
    ! [SV308: $i] :
      ( ( ! [SY942: $i] :
            ( ( SV308 = SY942 )
            | ~ ( subset @ SV308 @ SY942 )
            | ( proper_subset @ SV308 @ SY942 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1472]) ).

thf(1675,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( SX0 != SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1473]) ).

thf(1676,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ! [SY864: $i,SY865: $i] :
              ( ~ ( in @ SV143 @ SY864 )
              | ~ ( in @ SV231 @ SY865 )
              | ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY864 @ SY865 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1474]) ).

thf(1677,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ~ ( ~ ! [SY866: $i] :
                    ( ! [SY867: $i] :
                        ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY866 @ SY867 ) )
                    | ( in @ SV143 @ SY866 ) )
              | ~ ! [SY868: $i,SY869: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY868 @ SY869 ) )
                    | ( in @ SV231 @ SY869 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1474]) ).

thf(1678,plain,
    ! [SV144: $i] :
      ( ( ! [SY788: $i,SY789: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                          | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 ) )
                      | ~ ( ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                          | ~ ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
                | ~ ( ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY789 )
                    | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SV144 )
                    | ( in @ ( sK56_D @ SY789 @ SY788 @ SV144 ) @ SY788 ) ) )
            | ( SY789
              = ( set_union2 @ SV144 @ SY788 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1475]) ).

thf(1679,plain,
    ! [SV144: $i] :
      ( ( ! [SY790: $i,SY791: $i] :
            ( ( SY791
             != ( set_union2 @ SV144 @ SY790 ) )
            | ~ ( ~ ! [SY792: $i] :
                      ( ~ ( in @ SY792 @ SY791 )
                      | ( in @ SY792 @ SV144 )
                      | ( in @ SY792 @ SY790 ) )
                | ~ ~ ( ~ ! [SY793: $i] :
                            ( ~ ( in @ SY793 @ SV144 )
                            | ( in @ SY793 @ SY791 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY790 )
                            | ( in @ SX3 @ SY791 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1476]) ).

thf(1680,plain,
    ! [SV309: $i] :
      ( ( ~ ( empty @ SV309 )
        | ( empty @ ( relation_dom @ SV309 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1477]) ).

thf(1681,plain,
    ! [SV310: $i] :
      ( ( ~ ( empty @ SV310 )
        | ( relation @ ( relation_dom @ SV310 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1478]) ).

thf(1682,plain,
    ! [SV145: $i] :
      ( ( ! [SY795: $i,SY796: $i] :
            ( ~ ( relation @ SY796 )
            | ! [SY797: $i] :
                ( ~ ( in @ SY797 @ ( relation_dom @ SY796 ) )
                | ~ ( in @ ( ordered_pair @ SY797 @ SV145 ) @ SY796 )
                | ~ ( in @ SY797 @ SY795 ) )
            | ( in @ SV145 @ ( relation_image @ SY796 @ SY795 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1479]) ).

thf(1683,plain,
    ! [SV145: $i] :
      ( ( ! [SY798: $i,SY799: $i] :
            ( ~ ( relation @ SY799 )
            | ~ ( in @ SV145 @ ( relation_image @ SY799 @ SY798 ) )
            | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ ( relation_dom @ SY799 ) )
                      | ~ ( in @ ( ordered_pair @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SV145 ) @ SY799 ) )
                | ~ ( in @ ( sK40_D @ SY799 @ SY798 @ SV145 ) @ SY798 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1480]) ).

thf(1684,plain,
    ! [SV146: $i] :
      ( ( ! [SY800: $i] :
            ( ~ ( subset @ SV146 @ SY800 )
            | ! [SY801: $i] : ( subset @ ( cartesian_product2 @ SV146 @ SY801 ) @ ( cartesian_product2 @ SY800 @ SY801 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1481]) ).

thf(1685,plain,
    ! [SV146: $i] :
      ( ( ! [SY802: $i] :
            ( ~ ( subset @ SV146 @ SY802 )
            | ! [SY803: $i] : ( subset @ ( cartesian_product2 @ SY803 @ SV146 ) @ ( cartesian_product2 @ SY803 @ SY802 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1482]) ).

thf(1686,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
              | ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) )
          | ~ ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
              | ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) ) )
        = $false )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1483]) ).

thf(1687,plain,
    ! [SV311: $i] :
      ( ( ! [SY943: $i] :
            ( ~ ( subset @ SV311 @ ( singleton @ SY943 ) )
            | ( SV311 = empty_set )
            | ( SV311
              = ( singleton @ SY943 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1484]) ).

thf(1688,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1485]) ).

thf(1689,plain,
    ! [SV233: $i,SV148: $i] :
      ( ( ~ ! [SY870: $i] :
              ( ! [SY871: $i] :
                  ( ( ordered_pair @ SV148 @ SV233 )
                 != ( ordered_pair @ SY870 @ SY871 ) )
              | ( SV148 = SY870 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1486]) ).

thf(1690,plain,
    ! [SV233: $i,SV148: $i] :
      ( ( ~ ! [SY872: $i,SY873: $i] :
              ( ( ( ordered_pair @ SV148 @ SV233 )
               != ( ordered_pair @ SY872 @ SY873 ) )
              | ( SV233 = SY873 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1486]) ).

thf(1691,plain,
    ! [SV312: $i] :
      ( ( ! [SY944: $i] :
            ( ~ ( ~ ( in @ ( sK50_C @ SY944 @ SV312 ) @ SV312 )
                | ~ ~ ( in @ ( sK50_C @ SY944 @ SV312 ) @ SY944 ) )
            | ( subset @ SV312 @ SY944 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1487]) ).

thf(1692,plain,
    ! [SV313: $i] :
      ( ( ! [SY945: $i] :
            ( ~ ( subset @ SV313 @ SY945 )
            | ! [SY946: $i] :
                ( ~ ( in @ SY946 @ SV313 )
                | ( in @ SY946 @ SY945 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1488]) ).

thf(1693,plain,
    ( ( empty @ sK6_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1489]) ).

thf(1694,plain,
    ! [SV314: $i] :
      ( ( ~ ( relation @ SV314 )
        | ( ( relation_dom @ SV314 )
         != empty_set )
        | ( SV314 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1491]) ).

thf(1695,plain,
    ! [SV315: $i] :
      ( ( ~ ( relation @ SV315 )
        | ( ( relation_rng @ SV315 )
         != empty_set )
        | ( SV315 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1492]) ).

thf(1696,plain,
    ! [SV316: $i] :
      ( ( ~ ( empty @ SV316 )
        | ( empty @ ( relation_rng @ SV316 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1493]) ).

thf(1697,plain,
    ! [SV317: $i] :
      ( ( ~ ( empty @ SV317 )
        | ( relation @ ( relation_rng @ SV317 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1494]) ).

thf(1698,plain,
    ! [SV149: $i] :
      ( ( ! [SY810: $i,SY811: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                    | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                    | ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                | ~ ~ ( ~ ( ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SV149 )
                          | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) )
                      | ~ ( ~ ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY810 )
                          | ( in @ ( sK45_D @ SY811 @ SY810 @ SV149 ) @ SY811 ) ) ) )
            | ( SY811
              = ( set_difference @ SV149 @ SY810 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1495]) ).

thf(1699,plain,
    ! [SV149: $i] :
      ( ( ! [SY812: $i,SY813: $i] :
            ( ( SY813
             != ( set_difference @ SV149 @ SY812 ) )
            | ~ ( ~ ! [SY814: $i] :
                      ( ~ ( in @ SY814 @ SV149 )
                      | ( in @ SY814 @ SY812 )
                      | ( in @ SY814 @ SY813 ) )
                | ~ ~ ( ~ ! [SY815: $i] :
                            ( ~ ( in @ SY815 @ SY813 )
                            | ( in @ SY815 @ SV149 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY813 )
                            | ~ ( in @ SX3 @ SY812 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1496]) ).

thf(1700,plain,
    ! [SV151: $i,SV2: $i] :
      ( ( ( in @ SV2 @ SV151 )
        = $false )
      | ( ( disjoint @ ( singleton @ SV2 ) @ SV151 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1498]) ).

thf(1701,plain,
    ! [SV4: $i,SV153: $i,SV318: $i] :
      ( ( ( ~ ( in @ SV318 @ SV153 )
          | ( in @ SV318 @ SV4 ) )
        = $true )
      | ( ( element @ SV153 @ ( powerset @ SV4 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1499]) ).

thf(1702,plain,
    ! [SV8: $i,SV157: $i] :
      ( ( ( in @ SV157 @ SV8 )
        = $false )
      | ( ( in @ SV8 @ SV157 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1503]) ).

thf(1703,plain,
    ! [SV11: $i,SV159: $i] :
      ( ( ( empty @ SV159 )
        = $true )
      | ( ( in @ SV11 @ SV159 )
        = $true )
      | ( ( element @ SV11 @ SV159 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1505]) ).

thf(1704,plain,
    ! [SV12: $i,SV234: $i,SV160: $i] :
      ( ( ( ~ ( element @ SV160 @ ( powerset @ SV234 ) ) )
        = $true )
      | ( ( ~ ( in @ SV12 @ SV160 ) )
        = $true )
      | ( ( element @ SV12 @ SV234 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1506]) ).

thf(1705,plain,
    ! [SV161: $i,SV13: $i] :
      ( ( ( in @ SV13 @ SV161 )
        = $false )
      | ( ( empty @ SV161 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1507]) ).

thf(1706,plain,
    ! [SV162: $i,SV15: $i,SV319: $i] :
      ( ( ( ( in @ SV319 @ SV15 )
          | ( subset @ SV15 @ ( set_difference @ SV162 @ ( singleton @ SV319 ) ) ) )
        = $true )
      | ( ( subset @ SV15 @ SV162 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1508]) ).

thf(1707,plain,
    ! [SV163: $i,SV235: $i,SV250: $i,SV16: $i] :
      ( ( ( SV16 = SV250 )
        = $true )
      | ( ( ( SV16 = SV235 )
          | ( ( unordered_pair @ SV16 @ SV163 )
           != ( unordered_pair @ SV235 @ SV250 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1509]) ).

thf(1708,plain,
    ! [SV251: $i,SV236: $i,SV168: $i,SV21: $i] :
      ( ( ( ~ ( subset @ SV21 @ SV168 )
          | ~ ( subset @ SV236 @ SV251 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV21 @ SV236 ) @ ( cartesian_product2 @ SV168 @ SV251 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1514]) ).

thf(1709,plain,
    ! [SV173: $i,SV27: $i] :
      ( ( ( ( SV27 = empty_set )
          | ~ ( subset @ SV27 @ ( relation_rng @ SV173 ) ) )
        = $true )
      | ( ( ( ( relation_inverse_image @ SV173 @ SV27 )
           != empty_set ) )
        = $true )
      | ( ( relation @ SV173 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1519]) ).

thf(1710,plain,
    ! [SV174: $i,SV28: $i,SV237: $i] :
      ( ( ( relation @ SV237 )
        = $false )
      | ( ( ~ ( subset @ SV28 @ SV174 )
          | ( subset @ ( relation_inverse_image @ SV237 @ SV28 ) @ ( relation_inverse_image @ SV237 @ SV174 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1520]) ).

thf(1711,plain,
    ! [SV238: $i,SV176: $i,SV30: $i] :
      ( ( ( ~ ( subset @ SV30 @ SV176 ) )
        = $true )
      | ( ( ~ ( subset @ SV30 @ SV238 ) )
        = $true )
      | ( ( subset @ SV30 @ ( set_intersection2 @ SV176 @ SV238 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1521]) ).

thf(1712,plain,
    ! [SV239: $i,SV177: $i,SV31: $i] :
      ( ( ( ~ ( subset @ SV31 @ SV177 ) )
        = $true )
      | ( ( ~ ( subset @ SV177 @ SV239 ) )
        = $true )
      | ( ( subset @ SV31 @ SV239 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1522]) ).

thf(1713,plain,
    ! [SV33: $i,SV178: $i] :
      ( ( ( function @ SV178 )
        = $false )
      | ( ( ~ ( relation @ SV178 ) )
        = $true )
      | ( ( ! [SY827: $i] :
              ( ~ ( function @ SY827 )
              | ~ ( relation @ SY827 )
              | ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SY827 @ SV178 ) ) )
              | ( ( apply @ ( relation_composition @ SY827 @ SV178 ) @ SV33 )
                = ( apply @ SV178 @ ( apply @ SY827 @ SV33 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1523]) ).

thf(1714,plain,
    ! [SV34: $i,SV179: $i] :
      ( ( ( function @ SV179 )
        = $false )
      | ( ( ~ ( relation @ SV179 ) )
        = $true )
      | ( ( ! [SY828: $i] :
              ( ~ ( function @ SY828 )
              | ~ ( relation @ SY828 )
              | ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
              | ( ( apply @ ( relation_composition @ SV179 @ SY828 ) @ SV34 )
                = ( apply @ SY828 @ ( apply @ SV179 @ SV34 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1524]) ).

thf(1715,plain,
    ! [SV180: $i,SV320: $i,SV35: $i] :
      ( ( ( subset @ ( set_intersection2 @ SV35 @ SV320 ) @ ( set_intersection2 @ SV180 @ SV320 ) )
        = $true )
      | ( ( subset @ SV35 @ SV180 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1525]) ).

thf(1716,plain,
    ! [SV182: $i,SV321: $i,SV38: $i] :
      ( ( ( subset @ ( set_difference @ SV38 @ SV321 ) @ ( set_difference @ SV182 @ SV321 ) )
        = $true )
      | ( ( subset @ SV38 @ SV182 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1527]) ).

thf(1717,plain,
    ! [SV43: $i,SV252: $i] :
      ( ( ( ~ ( relation @ SV252 ) )
        = $true )
      | ( ( subset @ ( relation_dom @ ( relation_composition @ SV43 @ SV252 ) ) @ ( relation_dom @ SV43 ) )
        = $true )
      | ( ( relation @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1528]) ).

thf(1718,plain,
    ! [SV44: $i,SV253: $i] :
      ( ( ( ~ ( relation @ SV253 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ ( relation_composition @ SV44 @ SV253 ) ) @ ( relation_rng @ SV253 ) )
        = $true )
      | ( ( relation @ SV44 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1529]) ).

thf(1719,plain,
    ! [SV46: $i,SV254: $i] :
      ( ( ( ~ ( relation @ SV254 ) )
        = $true )
      | ( ( ~ ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SV254 ) )
          | ( ( relation_dom @ ( relation_composition @ SV46 @ SV254 ) )
            = ( relation_dom @ SV46 ) ) )
        = $true )
      | ( ( relation @ SV46 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1531]) ).

thf(1720,plain,
    ! [SV47: $i,SV187: $i] :
      ( ( ( SV187 = empty_set )
        = $true )
      | ( ( ( ( complements_of_subsets @ SV47 @ SV187 )
           != empty_set ) )
        = $true )
      | ( ( element @ SV187 @ ( powerset @ ( powerset @ SV47 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1532]) ).

thf(1721,plain,
    ! [SV48: $i,SV255: $i] :
      ( ( ( ~ ( relation @ SV255 ) )
        = $true )
      | ( ( ~ ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SV255 ) )
          | ( ( relation_rng @ ( relation_composition @ SV255 @ SV48 ) )
            = ( relation_rng @ SV48 ) ) )
        = $true )
      | ( ( relation @ SV48 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1533]) ).

thf(1722,plain,
    ! [SV50: $i,SV240: $i] :
      ( ( ( element @ SV240 @ ( powerset @ SV50 ) )
        = $false )
      | ( ( ! [SY876: $i] :
              ( ~ ( element @ SY876 @ SV50 )
              | ( in @ SY876 @ SV240 )
              | ( in @ SY876 @ ( subset_complement @ SV50 @ SV240 ) ) ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1534]) ).

thf(1723,plain,
    ! [SV189: $i,SV51: $i,SV241: $i] :
      ( ( ( element @ SV241 @ ( powerset @ SV51 ) )
        = $false )
      | ( ( ~ ( in @ SV189 @ ( subset_complement @ SV51 @ SV241 ) )
          | ~ ( in @ SV189 @ SV241 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1535]) ).

thf(1724,plain,
    ! [SV190: $i,SV53: $i] :
      ( ( ( subset @ SV53 @ SV190 )
        = $false )
      | ( ( proper_subset @ SV190 @ SV53 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1537]) ).

thf(1725,plain,
    ! [SV54: $i,SV242: $i,SV191: $i] :
      ( ( ( ~ ( disjoint @ SV191 @ SV242 ) )
        = $true )
      | ( ( ~ ( subset @ SV54 @ SV191 ) )
        = $true )
      | ( ( disjoint @ SV54 @ SV242 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1538]) ).

thf(1726,plain,
    ! [SV243: $i,SV195: $i,SV59: $i] :
      ( ( ( ~ ( subset @ SV59 @ SV195 ) )
        = $true )
      | ( ( ~ ( subset @ SV243 @ SV195 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV59 @ SV243 ) @ SV195 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1541]) ).

thf(1727,plain,
    ! [SV256: $i,SV196: $i,SV60: $i] :
      ( ( ( ( singleton @ SV60 )
          = ( unordered_pair @ SV196 @ SV256 ) )
        = $false )
      | ( ( SV60 = SV196 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1542]) ).

thf(1728,plain,
    ! [SV244: $i,SV199: $i,SV64: $i] :
      ( ( ( ( singleton @ SV64 )
          = ( unordered_pair @ SV199 @ SV244 ) )
        = $false )
      | ( ( SV199 = SV244 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1545]) ).

thf(1729,plain,
    ! [SV206: $i,SV76: $i] :
      ( ( ( relation @ SV76 )
        = $false )
      | ( ( ~ ( relation @ SV206 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV76 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1548]) ).

thf(1730,plain,
    ! [SV245: $i,SV79: $i,SV209: $i] :
      ( ( ( ~ ( element @ SV209 @ ( powerset @ SV79 ) ) )
        = $true )
      | ( ( ~ ( element @ SV245 @ ( powerset @ SV79 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV79 @ SV209 @ SV245 ) @ ( powerset @ SV79 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1551]) ).

thf(1731,plain,
    ! [SV212: $i,SV84: $i] :
      ( ( ( relation @ SV84 )
        = $false )
      | ( ( ~ ( relation @ SV212 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV84 @ SV212 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1555]) ).

thf(1732,plain,
    ! [SV214: $i,SV87: $i] :
      ( ( ( relation @ SV87 )
        = $false )
      | ( ( ~ ( relation @ SV214 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV87 @ SV214 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1556]) ).

thf(1733,plain,
    ! [SV216: $i,SV92: $i] :
      ( ( ( empty @ ( cartesian_product2 @ SV92 @ SV216 ) )
        = $false )
      | ( ( empty @ SV216 )
        = $true )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1559]) ).

thf(1734,plain,
    ! [SV93: $i] :
      ( ( ( empty @ ( relation_dom @ SV93 ) )
        = $false )
      | ( ( empty @ SV93 )
        = $true )
      | ( ( relation @ SV93 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1560]) ).

thf(1735,plain,
    ! [SV94: $i] :
      ( ( ( empty @ ( relation_rng @ SV94 ) )
        = $false )
      | ( ( empty @ SV94 )
        = $true )
      | ( ( relation @ SV94 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1561]) ).

thf(1736,plain,
    ! [SV248: $i,SV102: $i,SV221: $i] :
      ( ( ( ~ ( element @ SV221 @ ( powerset @ SV102 ) ) )
        = $true )
      | ( ( ~ ( element @ SV248 @ ( powerset @ SV102 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV102 @ SV221 @ SV248 )
          = ( set_difference @ SV221 @ SV248 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1566]) ).

thf(1737,plain,
    ! [SV109: $i,SV249: $i,SV223: $i] :
      ( ( ( ~ ( element @ SV223 @ ( powerset @ SV249 ) ) )
        = $true )
      | ( ( ~ ( in @ SV109 @ SV223 ) )
        = $true )
      | ( ( ~ ( empty @ SV249 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1568]) ).

thf(1738,plain,
    ! [SV224: $i,SV111: $i] :
      ( ( ( empty @ SV111 )
        = $false )
      | ( ( SV111 = SV224 )
        = $true )
      | ( ( ~ ( empty @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1569]) ).

thf(1739,plain,
    ! [SV112: $i,SV322: $i] :
      ( ( ! [SY947: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SY947 @ SV322 @ SV112 ) @ SV112 )
                    | ~ ( in @ ( sK49_D @ SY947 @ SV322 @ SV112 ) @ SV322 )
                    | ~ ( in @ ( sK49_D @ SY947 @ SV322 @ SV112 ) @ SY947 ) )
                | ~ ~ ( ~ ( ( in @ ( sK49_D @ SY947 @ SV322 @ SV112 ) @ SV112 )
                          | ( in @ ( sK49_D @ SY947 @ SV322 @ SV112 ) @ SY947 ) )
                      | ~ ( ( in @ ( sK49_D @ SY947 @ SV322 @ SV112 ) @ SV322 )
                          | ( in @ ( sK49_D @ SY947 @ SV322 @ SV112 ) @ SY947 ) ) ) )
            | ( SY947
              = ( set_intersection2 @ SV112 @ SV322 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1570]) ).

thf(1740,plain,
    ! [SV323: $i,SV112: $i] :
      ( ( ! [SY948: $i] :
            ( ( SY948
             != ( set_intersection2 @ SV112 @ SV323 ) )
            | ~ ( ~ ! [SY949: $i] :
                      ( ~ ( in @ SY949 @ SV112 )
                      | ~ ( in @ SY949 @ SV323 )
                      | ( in @ SY949 @ SY948 ) )
                | ~ ~ ( ~ ! [SY612: $i] :
                            ( ~ ( in @ SY612 @ SY948 )
                            | ( in @ SY612 @ SV112 ) )
                      | ~ ! [SY951: $i] :
                            ( ~ ( in @ SY951 @ SY948 )
                            | ( in @ SY951 @ SV323 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1571]) ).

thf(1741,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ~ ( ~ ( ! [SY952: $i] :
                    ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SY952 )
                    | ~ ( in @ SY952 @ SV258 ) )
                | ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
            | ~ ( ~ ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
                    | ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) )
                | ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) ) )
        | ( SV324
          = ( union @ SV258 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1572]) ).

thf(1742,plain,
    ! [SV259: $i,SV325: $i] :
      ( ( ( SV325
         != ( union @ SV259 ) )
        | ~ ( ~ ! [SY953: $i] :
                  ( ! [SY881: $i] :
                      ( ~ ( in @ SY953 @ SY881 )
                      | ~ ( in @ SY881 @ SV259 ) )
                  | ( in @ SY953 @ SV325 ) )
            | ~ ! [SY955: $i] :
                  ( ~ ( in @ SY955 @ SV325 )
                  | ~ ( ~ ( in @ SY955 @ ( sK46_D @ SY955 @ SV325 @ SV259 ) )
                      | ~ ( in @ ( sK46_D @ SY955 @ SV325 @ SV259 ) @ SV259 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1573]) ).

thf(1743,plain,
    ! [SV113: $i,SV225: $i] :
      ( ( ( ~ ! [SY839: $i] :
                ( ~ ( relation @ SY839 )
                | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                        | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                        | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                    | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                              | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                          | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                              | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) ) ) )
                | ( SY839
                  = ( relation_rng_restriction @ SV113 @ SV225 ) ) )
          | ~ ! [SY840: $i] :
                ( ~ ( relation @ SY840 )
                | ( SY840
                 != ( relation_rng_restriction @ SV113 @ SV225 ) )
                | ~ ( ~ ! [SY841: $i,SY842: $i] :
                          ( ~ ( in @ SY842 @ SV113 )
                          | ~ ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SV225 )
                          | ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SY840 ) )
                    | ~ ~ ( ~ ! [SY619: $i,SY620: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY619 @ SY620 ) @ SY840 )
                                | ( in @ SY620 @ SV113 ) )
                          | ~ ! [SY845: $i,SY846: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SY840 )
                                | ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SV225 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1574]) ).

thf(1744,plain,
    ! [SV326: $i,SV260: $i] :
      ( ( ~ ( empty @ SV260 )
        | ~ ( relation @ SV326 )
        | ( empty @ ( relation_composition @ SV326 @ SV260 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1575]) ).

thf(1745,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ~ ( empty @ SV261 )
        | ~ ( relation @ SV327 )
        | ( relation @ ( relation_composition @ SV327 @ SV261 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1576]) ).

thf(1746,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ! [SY847: $i,SY848: $i] :
            ( ~ ( in @ SV114 @ SY847 )
            | ~ ( in @ SV226 @ SY848 )
            | ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY847 @ SY848 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1577]) ).

thf(1747,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ( ~ ! [SY849: $i] :
                  ( ! [SY850: $i] :
                      ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY849 @ SY850 ) )
                  | ( in @ SV114 @ SY849 ) )
            | ~ ! [SY851: $i,SY852: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY851 @ SY852 ) )
                  | ( in @ SV226 @ SY852 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1578]) ).

thf(1748,plain,
    ! [SV328: $i,SV262: $i] :
      ( ( ( disjoint @ SV262 @ SV328 )
        | ~ ( ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV262 )
            | ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV328 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1579]) ).

thf(1749,plain,
    ! [SV329: $i,SV263: $i] :
      ( ( ! [SY956: $i] :
            ( ~ ( in @ SY956 @ SV263 )
            | ~ ( in @ SY956 @ SV329 ) )
        | ~ ( disjoint @ SV263 @ SV329 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1580]) ).

thf(1750,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ~ ( ~ ( ( ( sK62_C @ SV330 @ SV264 )
                 != SV264 )
                | ~ ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) )
            | ~ ( ( ( sK62_C @ SV330 @ SV264 )
                  = SV264 )
                | ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) ) )
        | ( SV330
          = ( singleton @ SV264 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1581]) ).

thf(1751,plain,
    ! [SV265: $i,SV331: $i] :
      ( ( ( SV331
         != ( singleton @ SV265 ) )
        | ~ ( ~ ! [SY957: $i] :
                  ( ( SY957 != SV265 )
                  | ( in @ SY957 @ SV331 ) )
            | ~ ! [SY958: $i] :
                  ( ~ ( in @ SY958 @ SV331 )
                  | ( SY958 = SV265 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1582]) ).

thf(1752,plain,
    ! [SV266: $i] :
      ( ( ( in @ ( sK61_B @ SV266 ) @ SV266 )
        = $true )
      | ( ( SV266 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1583]) ).

thf(1753,plain,
    ! [SV267: $i] :
      ( ( ( ( SV267 != empty_set ) )
        = $true )
      | ( ( ! [SY892: $i] :
              ~ ( in @ SY892 @ SV267 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1584]) ).

thf(1754,plain,
    ! [SV115: $i,SV332: $i] :
      ( ( ~ ( subset @ SV332 @ ( sK42_B @ SV115 ) )
        | ( are_equipotent @ SV332 @ ( sK42_B @ SV115 ) )
        | ( in @ SV332 @ ( sK42_B @ SV115 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1585]) ).

thf(1755,plain,
    ! [SV115: $i] :
      ( ( ~ ! [SY631: $i] :
              ( ~ ( ~ ! [SY632: $i] :
                        ( ~ ( subset @ SY632 @ SY631 )
                        | ( in @ SY632 @ ( sK43_SY481 @ SY631 @ SV115 ) ) )
                  | ~ ( in @ ( sK43_SY481 @ SY631 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
              | ~ ( in @ SY631 @ ( sK42_B @ SV115 ) ) )
        | ~ ~ ( ~ ! [SY633: $i,SY634: $i] :
                    ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
                    | ~ ( subset @ SY634 @ SY633 )
                    | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
              | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1586]) ).

thf(1756,plain,
    ! [SV333: $i,SV268: $i] :
      ( ( ~ ( subset @ SV268 @ ( singleton @ SV333 ) )
        | ( SV268 = empty_set )
        | ( SV268
          = ( singleton @ SV333 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1587]) ).

thf(1757,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1588]) ).

thf(1758,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1588]) ).

thf(1759,plain,
    ! [SV116: $i] :
      ( ( ( relation @ SV116 )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ! [SY635: $i] :
                          ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                          | ! [SY636: $i] :
                              ( ( SY636
                               != ( apply @ SV116 @ SY635 ) )
                              | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
                    | ~ ! [SY637: $i] :
                          ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                          | ! [SY638: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                              | ( SY638
                                = ( apply @ SV116 @ SY637 ) ) ) ) )
              | ~ ~ ( ~ ! [SY639: $i] :
                          ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                          | ! [SY640: $i] :
                              ( ( SY640
                               != ( apply @ SV116 @ SY639 ) )
                              | ( SY640 = empty_set ) ) )
                    | ~ ! [SY641: $i] :
                          ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                          | ! [SY642: $i] :
                              ( ( SY642 != empty_set )
                              | ( SY642
                                = ( apply @ SV116 @ SY641 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1589]) ).

thf(1760,plain,
    ! [SV334: $i,SV117: $i] :
      ( ( ! [SY959: $i] :
            ( ~ ( ~ ( ! [SY960: $i,SY961: $i] :
                        ( ~ ( in @ SY960 @ SV117 )
                        | ~ ( in @ SY961 @ SV334 )
                        | ( ( sK53_D @ SY959 @ SV334 @ SV117 )
                         != ( ordered_pair @ SY960 @ SY961 ) ) )
                    | ~ ( in @ ( sK53_D @ SY959 @ SV334 @ SV117 ) @ SY959 ) )
                | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SY959 @ SV334 @ SV117 ) @ SV117 )
                              | ~ ( in @ ( sK55_SY493 @ SY959 @ SV334 @ SV117 ) @ SV334 ) )
                        | ( ( sK53_D @ SY959 @ SV334 @ SV117 )
                         != ( ordered_pair @ ( sK54_SY491 @ SY959 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SY959 @ SV334 @ SV117 ) ) ) )
                    | ( in @ ( sK53_D @ SY959 @ SV334 @ SV117 ) @ SY959 ) ) )
            | ( SY959
              = ( cartesian_product2 @ SV117 @ SV334 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1590]) ).

thf(1761,plain,
    ! [SV335: $i,SV117: $i] :
      ( ( ! [SY962: $i] :
            ( ( SY962
             != ( cartesian_product2 @ SV117 @ SV335 ) )
            | ~ ( ~ ! [SY963: $i] :
                      ( ! [SY964: $i,SY965: $i] :
                          ( ~ ( in @ SY964 @ SV117 )
                          | ~ ( in @ SY965 @ SV335 )
                          | ( SY963
                           != ( ordered_pair @ SY964 @ SY965 ) ) )
                      | ( in @ SY963 @ SY962 ) )
                | ~ ! [SY966: $i] :
                      ( ~ ( in @ SY966 @ SY962 )
                      | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY966 @ SY962 @ SV335 @ SV117 ) @ SV117 )
                                | ~ ( in @ ( sK52_SY488 @ SY966 @ SY962 @ SV335 @ SV117 ) @ SV335 ) )
                          | ( SY966
                           != ( ordered_pair @ ( sK51_E @ SY966 @ SY962 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SY966 @ SY962 @ SV335 @ SV117 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1591]) ).

thf(1762,plain,
    ! [SV336: $i,SV269: $i] :
      ( ( ( ( set_difference @ SV269 @ SV336 )
         != empty_set )
        | ( subset @ SV269 @ SV336 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1592]) ).

thf(1763,plain,
    ! [SV337: $i,SV270: $i] :
      ( ( ~ ( subset @ SV270 @ SV337 )
        | ( ( set_difference @ SV270 @ SV337 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1593]) ).

thf(1764,plain,
    ! [SV271: $i] :
      ( ( ( ~ ( relation @ SV271 ) )
        = $true )
      | ( ( ( ( relation_dom @ SV271 )
           != empty_set )
          | ( ( relation_rng @ SV271 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1594]) ).

thf(1765,plain,
    ! [SV272: $i] :
      ( ( ( ~ ( relation @ SV272 ) )
        = $true )
      | ( ( ( ( relation_rng @ SV272 )
           != empty_set )
          | ( ( relation_dom @ SV272 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1595]) ).

thf(1766,plain,
    ! [SV118: $i,SV338: $i] :
      ( ( ! [SY967: $i] :
            ( ~ ( function @ SY967 )
            | ~ ( relation @ SY967 )
            | ( SV338
             != ( apply @ SY967 @ SV118 ) )
            | ~ ( in @ SV118 @ ( relation_dom @ SY967 ) )
            | ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SY967 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1596]) ).

thf(1767,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY655: $i,SY656: $i] :
              ( ~ ( function @ SY656 )
              | ~ ( relation @ SY656 )
              | ~ ( in @ ( ordered_pair @ SV118 @ SY655 ) @ SY656 )
              | ( SY655
                = ( apply @ SY656 @ SV118 ) ) )
        | ~ ! [SY657: $i,SY658: $i] :
              ( ~ ( function @ SY658 )
              | ~ ( relation @ SY658 )
              | ~ ( in @ ( ordered_pair @ SV118 @ SY657 ) @ SY658 )
              | ( in @ SV118 @ ( relation_dom @ SY658 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1597]) ).

thf(1768,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ~ ( relation @ SV339 )
        | ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                 != ( sK70_SY500 @ SV339 @ SV273 ) )
                | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                | ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
            | ~ ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                        = ( sK70_SY500 @ SV339 @ SV273 ) )
                      | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
                  | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                      | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) ) )
        | ( SV339
          = ( identity_relation @ SV273 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1598]) ).

thf(1769,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ~ ( relation @ SV340 )
        | ( SV340
         != ( identity_relation @ SV274 ) )
        | ~ ( ~ ! [SY968: $i,SY969: $i] :
                  ( ( SY968 != SY969 )
                  | ~ ( in @ SY968 @ SV274 )
                  | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) )
            | ~ ~ ( ~ ! [SY970: $i,SY971: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                        | ( SY970 = SY971 ) )
                  | ~ ! [SY972: $i] :
                        ( ! [SY973: $i] :
                            ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                        | ( in @ SY972 @ SV274 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1599]) ).

thf(1770,plain,
    ! [SV120: $i,SV275: $i] :
      ( ( ( ~ ( relation @ SV275 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY904: $i] :
                    ( ~ ( relation @ SY904 )
                    | ~ ( ~ ( ! [SY905: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ SY905 ) @ SV120 )
                                | ~ ( in @ ( ordered_pair @ SY905 @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) ) @ SV120 )
                                | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                            | ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) ) )
                    | ( SY904
                      = ( relation_composition @ SV120 @ SV275 ) ) )
              | ~ ! [SY906: $i] :
                    ( ~ ( relation @ SY906 )
                    | ( SY906
                     != ( relation_composition @ SV120 @ SV275 ) )
                    | ~ ( ~ ! [SY907: $i,SY908: $i] :
                              ( ! [SY909: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY907 @ SY909 ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ SY909 @ SY908 ) @ SV275 ) )
                              | ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SY906 ) )
                        | ~ ! [SY910: $i,SY911: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY910 @ SY911 ) @ SY906 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY910 @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) @ SY911 ) @ SV275 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1602]) ).

thf(1771,plain,
    ! [SV227: $i,SV121: $i] :
      ( ( ( ~ ! [SY853: $i] :
                ( ~ ( element @ SY853 @ ( powerset @ SV121 ) )
                | ~ ( disjoint @ SV227 @ SY853 )
                | ( subset @ SV227 @ ( subset_complement @ SV121 @ SY853 ) ) )
          | ~ ! [SY854: $i] :
                ( ~ ( element @ SY854 @ ( powerset @ SV121 ) )
                | ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SY854 ) )
                | ( disjoint @ SV227 @ SY854 ) ) )
        = $false )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1603]) ).

thf(1772,plain,
    ! [SV341: $i,SV122: $i] :
      ( ( ! [SY974: $i] :
            ( ~ ( relation @ SY974 )
            | ~ ( in @ SV122 @ SV341 )
            | ~ ( in @ SV122 @ ( relation_rng @ SY974 ) )
            | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SY974 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1604]) ).

thf(1773,plain,
    ! [SV122: $i] :
      ( ( ~ ! [SY673: $i,SY674: $i] :
              ( ~ ( relation @ SY674 )
              | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY673 @ SY674 ) ) )
              | ( in @ SV122 @ SY673 ) )
        | ~ ! [SY675: $i,SY676: $i] :
              ( ~ ( relation @ SY676 )
              | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY675 @ SY676 ) ) )
              | ( in @ SV122 @ ( relation_rng @ SY676 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1605]) ).

thf(1774,plain,
    ! [SV123: $i] :
      ( ( ( ~ ! [SY677: $i,SY678: $i] :
                ( ~ ( relation @ SY678 )
                | ~ ( ~ ( ~ ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                        | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                        | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                    | ~ ~ ( ~ ( ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                              | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                          | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                              | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) ) ) )
                | ( SY678
                  = ( relation_dom_restriction @ SV123 @ SY677 ) ) ) )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1606]) ).

thf(1775,plain,
    ! [SV123: $i] :
      ( ( ( ~ ! [SY679: $i,SY680: $i] :
                ( ~ ( relation @ SY680 )
                | ( SY680
                 != ( relation_dom_restriction @ SV123 @ SY679 ) )
                | ~ ( ~ ! [SY681: $i,SY682: $i] :
                          ( ~ ( in @ SY681 @ SY679 )
                          | ~ ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SV123 )
                          | ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SY680 ) )
                    | ~ ~ ( ~ ! [SX3: $i] :
                                ( ! [SX4: $i] :
                                    ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY680 )
                                | ( in @ SX3 @ SY679 ) )
                          | ~ ! [SY685: $i,SY686: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SY680 )
                                | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV123 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1606]) ).

thf(1776,plain,
    ! [SV124: $i] :
      ( ( ( ~ ! [SY687: $i] :
                ( ~ ( relation @ SY687 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                        | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                        | ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) ) )
                | ( SY687
                  = ( relation_inverse @ SV124 ) ) ) )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1607]) ).

thf(1777,plain,
    ! [SV124: $i] :
      ( ( ( ~ ! [SY688: $i] :
                ( ~ ( relation @ SY688 )
                | ( SY688
                 != ( relation_inverse @ SV124 ) )
                | ~ ( ~ ! [SY689: $i,SY690: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY689 @ SY690 ) @ SY688 )
                          | ( in @ ( ordered_pair @ SY690 @ SY689 ) @ SV124 ) )
                    | ~ ! [SY691: $i,SY692: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY692 @ SY691 ) @ SV124 )
                          | ( in @ ( ordered_pair @ SY691 @ SY692 ) @ SY688 ) ) ) ) )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1607]) ).

thf(1778,plain,
    ! [SV342: $i,SV276: $i] :
      ( ( ~ ( element @ SV276 @ ( powerset @ SV342 ) )
        | ( subset @ SV276 @ SV342 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1608]) ).

thf(1779,plain,
    ! [SV343: $i,SV277: $i] :
      ( ( ~ ( subset @ SV277 @ SV343 )
        | ( element @ SV277 @ ( powerset @ SV343 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1609]) ).

thf(1780,plain,
    ! [SV344: $i,SV278: $i] :
      ( ( ~ ( in @ SV278 @ SV344 )
        | ( subset @ ( singleton @ SV278 ) @ SV344 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1610]) ).

thf(1781,plain,
    ! [SV345: $i,SV279: $i] :
      ( ( ~ ( subset @ ( singleton @ SV279 ) @ SV345 )
        | ( in @ SV279 @ SV345 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1611]) ).

thf(1782,plain,
    ! [SV346: $i,SV280: $i] :
      ( ( ( ( set_intersection2 @ SV280 @ SV346 )
         != empty_set )
        | ( disjoint @ SV280 @ SV346 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1612]) ).

thf(1783,plain,
    ! [SV347: $i,SV281: $i] :
      ( ( ~ ( disjoint @ SV281 @ SV347 )
        | ( ( set_intersection2 @ SV281 @ SV347 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1613]) ).

thf(1784,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ~ ( function @ SV348 )
        | ~ ( relation @ SV348 )
        | ~ ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
            | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
                 != ( sK38_C @ SV348 @ SV282 ) ) ) )
        | ( ( relation_dom @ SV348 )
         != SV282 )
        | ( SV348
          = ( identity_relation @ SV282 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1614]) ).

thf(1785,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX1 )
            | ~ ( relation @ SX1 )
            | ( SX1
             != ( identity_relation @ SX0 ) )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( ( apply @ SX1 @ SX2 )
                  = SX2 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1615]) ).

thf(1786,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( function @ SX1 )
            | ~ ( relation @ SX1 )
            | ( SX1
             != ( identity_relation @ SX0 ) )
            | ( ( relation_dom @ SX1 )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1615]) ).

thf(1787,plain,
    ! [SV349: $i,SV283: $i] :
      ( ( ( ( set_difference @ SV283 @ SV349 )
         != empty_set )
        | ( subset @ SV283 @ SV349 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1616]) ).

thf(1788,plain,
    ! [SV350: $i,SV284: $i] :
      ( ( ~ ( subset @ SV284 @ SV350 )
        | ( ( set_difference @ SV284 @ SV350 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1617]) ).

thf(1789,plain,
    ! [SV351: $i,SV285: $i] :
      ( ( ~ ( subset @ SV285 @ SV351 )
        | ~ ( subset @ SV351 @ SV285 )
        | ( SV285 = SV351 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1618]) ).

thf(1790,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1619]) ).

thf(1791,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1619]) ).

thf(1792,plain,
    ! [SV125: $i] :
      ( ( ( ~ ! [SY693: $i,SY694: $i] :
                ( ~ ( ~ ( ! [SY695: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY695 @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                            | ~ ( in @ SY695 @ SY693 ) )
                        | ~ ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                            | ~ ( in @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ SY693 ) )
                        | ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) ) )
                | ( SY694
                  = ( relation_image @ SV125 @ SY693 ) ) ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1620]) ).

thf(1793,plain,
    ! [SV125: $i] :
      ( ( ( ~ ! [SY696: $i,SY697: $i] :
                ( ( SY697
                 != ( relation_image @ SV125 @ SY696 ) )
                | ~ ( ~ ! [SY698: $i] :
                          ( ! [SY699: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY699 @ SY698 ) @ SV125 )
                              | ~ ( in @ SY699 @ SY696 ) )
                          | ( in @ SY698 @ SY697 ) )
                    | ~ ! [SY700: $i] :
                          ( ~ ( in @ SY700 @ SY697 )
                          | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY700 ) @ SV125 )
                              | ~ ( in @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY696 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1620]) ).

thf(1794,plain,
    ! [SV352: $i,SV126: $i] :
      ( ( ! [SY975: $i] :
            ( ~ ( relation @ SY975 )
            | ~ ( in @ ( ordered_pair @ SV126 @ SV352 ) @ SY975 )
            | ( in @ SV126 @ ( relation_field @ SY975 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1621]) ).

thf(1795,plain,
    ! [SV353: $i,SV126: $i] :
      ( ( ! [SY976: $i] :
            ( ~ ( relation @ SY976 )
            | ~ ( in @ ( ordered_pair @ SV126 @ SV353 ) @ SY976 )
            | ( in @ SV353 @ ( relation_field @ SY976 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1622]) ).

thf(1796,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ! [SY855: $i,SY856: $i] :
            ( ~ ( relation @ SY856 )
            | ~ ( in @ SV127 @ SY855 )
            | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY856 )
            | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY855 ) @ SY856 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1623]) ).

thf(1797,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ( ~ ! [SY857: $i,SY858: $i] :
                  ( ~ ( relation @ SY858 )
                  | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY857 ) @ SY858 ) )
                  | ( in @ SV127 @ SY857 ) )
            | ~ ! [SY859: $i,SY860: $i] :
                  ( ~ ( relation @ SY860 )
                  | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY859 ) @ SY860 ) )
                  | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY860 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1624]) ).

thf(1798,plain,
    ! [SV354: $i,SV286: $i] :
      ( ( ~ ( in @ SV286 @ SV354 )
        | ( subset @ ( singleton @ SV286 ) @ SV354 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1625]) ).

thf(1799,plain,
    ! [SV355: $i,SV287: $i] :
      ( ( ~ ( subset @ ( singleton @ SV287 ) @ SV355 )
        | ( in @ SV287 @ SV355 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1626]) ).

thf(1800,plain,
    ! [SV356: $i,SV128: $i] :
      ( ( ! [SY977: $i] :
            ( ~ ( in @ SV128 @ SY977 )
            | ~ ( in @ SV356 @ SY977 )
            | ( subset @ ( unordered_pair @ SV128 @ SV356 ) @ SY977 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1627]) ).

thf(1801,plain,
    ! [SV128: $i] :
      ( ( ~ ! [SY714: $i,SY715: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV128 @ SY714 ) @ SY715 )
              | ( in @ SV128 @ SY715 ) )
        | ~ ! [SY716: $i,SY717: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV128 @ SY716 ) @ SY717 )
              | ( in @ SY716 @ SY717 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1628]) ).

thf(1802,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1629]) ).

thf(1803,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( in @ SX1 @ SX0 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1629]) ).

thf(1804,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( empty @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1630]) ).

thf(1805,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( empty @ SX1 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1630]) ).

thf(1806,plain,
    ! [SV129: $i] :
      ( ( ( ~ ! [SY718: $i] :
                ( ~ ( ~ ( ! [SY719: $i] :
                            ~ ( in @ ( ordered_pair @ SY719 @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                        | ~ ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SY718 @ SV129 ) @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                        | ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) ) )
                | ( SY718
                  = ( relation_rng @ SV129 ) ) ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1631]) ).

thf(1807,plain,
    ! [SV129: $i] :
      ( ( ( ~ ! [SY720: $i] :
                ( ( SY720
                 != ( relation_rng @ SV129 ) )
                | ~ ( ~ ! [SY721: $i] :
                          ( ! [SY722: $i] :
                              ~ ( in @ ( ordered_pair @ SY722 @ SY721 ) @ SV129 )
                          | ( in @ SY721 @ SY720 ) )
                    | ~ ! [SY723: $i] :
                          ( ~ ( in @ SY723 @ SY720 )
                          | ( in @ ( ordered_pair @ ( sK18_D @ SY723 @ SY720 @ SV129 ) @ SY723 ) @ SV129 ) ) ) ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1631]) ).

thf(1808,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1632]) ).

thf(1809,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1632]) ).

thf(1810,plain,
    ! [SV357: $i,SV288: $i] :
      ( ( ( ( set_difference @ SV288 @ ( singleton @ SV357 ) )
         != SV288 )
        | ~ ( in @ SV357 @ SV288 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1633]) ).

thf(1811,plain,
    ! [SV289: $i,SV358: $i] :
      ( ( ( in @ SV358 @ SV289 )
        | ( ( set_difference @ SV289 @ ( singleton @ SV358 ) )
          = SV289 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1634]) ).

thf(1812,plain,
    ! [SV359: $i,SV292: $i] :
      ( ( ( disjoint @ SV292 @ SV359 )
        | ( in @ ( sK71_C @ SV359 @ SV292 ) @ ( set_intersection2 @ SV292 @ SV359 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1637]) ).

thf(1813,plain,
    ! [SV360: $i,SV293: $i] :
      ( ( ! [SY978: $i] :
            ~ ( in @ SY978 @ ( set_intersection2 @ SV293 @ SV360 ) )
        | ~ ( disjoint @ SV293 @ SV360 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1638]) ).

thf(1814,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ( ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV130 ) )
        = $false )
      | ( ( element @ SV130 @ ( powerset @ SV229 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1639]) ).

thf(1815,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ( ~ ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV229 ) )
        = $false )
      | ( ( element @ SV130 @ ( powerset @ SV229 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1639]) ).

thf(1816,plain,
    ! [SV131: $i] :
      ( ( ( ~ ! [SY725: $i,SY726: $i] :
                ( ~ ( ~ ( ! [SY727: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY727 ) @ SV131 )
                            | ~ ( in @ SY727 @ SY725 ) )
                        | ~ ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) ) @ SV131 )
                            | ~ ( in @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) @ SY725 ) )
                        | ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) ) )
                | ( SY726
                  = ( relation_inverse_image @ SV131 @ SY725 ) ) ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1640]) ).

thf(1817,plain,
    ! [SV131: $i] :
      ( ( ( ~ ! [SY728: $i,SY729: $i] :
                ( ( SY729
                 != ( relation_inverse_image @ SV131 @ SY728 ) )
                | ~ ( ~ ! [SY730: $i] :
                          ( ! [SY731: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY730 @ SY731 ) @ SV131 )
                              | ~ ( in @ SY731 @ SY728 ) )
                          | ( in @ SY730 @ SY729 ) )
                    | ~ ! [SY732: $i] :
                          ( ~ ( in @ SY732 @ SY729 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY732 @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) ) @ SV131 )
                              | ~ ( in @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) @ SY728 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1640]) ).

thf(1818,plain,
    ! [SV361: $i,SV294: $i] :
      ( ( ( ( set_difference @ SV294 @ SV361 )
         != SV294 )
        | ( disjoint @ SV294 @ SV361 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1641]) ).

thf(1819,plain,
    ! [SV362: $i,SV295: $i] :
      ( ( ~ ( disjoint @ SV295 @ SV362 )
        | ( ( set_difference @ SV295 @ SV362 )
          = SV295 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1642]) ).

thf(1820,plain,
    ! [SV296: $i] :
      ( ( ( ~ ( ~ ! [SY931: $i,SY932: $i] :
                    ( ( sK68_B @ SV296 )
                   != ( ordered_pair @ SY931 @ SY932 ) )
              | ~ ( in @ ( sK68_B @ SV296 ) @ SV296 ) ) )
        = $true )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1643]) ).

thf(1821,plain,
    ! [SV297: $i] :
      ( ( ( ~ ( relation @ SV297 ) )
        = $true )
      | ( ( ! [SY933: $i] :
              ( ( SY933
                = ( ordered_pair @ ( sK66_C @ SY933 @ SV297 ) @ ( sK67_SY497 @ SY933 @ SV297 ) ) )
              | ~ ( in @ SY933 @ SV297 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1644]) ).

thf(1822,plain,
    ! [SV363: $i,SV132: $i] :
      ( ( ! [SY979: $i] :
            ( ~ ( relation @ SY979 )
            | ~ ( in @ SV132 @ SV363 )
            | ~ ( in @ SV132 @ ( relation_dom @ SY979 ) )
            | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY979 @ SV363 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1645]) ).

thf(1823,plain,
    ! [SV132: $i] :
      ( ( ~ ! [SY735: $i,SY736: $i] :
              ( ~ ( relation @ SY736 )
              | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY736 @ SY735 ) ) )
              | ( in @ SV132 @ SY735 ) )
        | ~ ! [SY737: $i,SY738: $i] :
              ( ~ ( relation @ SY738 )
              | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY738 @ SY737 ) ) )
              | ( in @ SV132 @ ( relation_dom @ SY738 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1646]) ).

thf(1824,plain,
    ! [SV364: $i,SV133: $i] :
      ( ( ! [SY980: $i] :
            ( ~ ( relation @ SY980 )
            | ~ ( in @ ( ordered_pair @ SV133 @ SV364 ) @ SY980 )
            | ( in @ SV133 @ ( relation_dom @ SY980 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1647]) ).

thf(1825,plain,
    ! [SV365: $i,SV133: $i] :
      ( ( ! [SY981: $i] :
            ( ~ ( relation @ SY981 )
            | ~ ( in @ ( ordered_pair @ SV133 @ SV365 ) @ SY981 )
            | ( in @ SV365 @ ( relation_rng @ SY981 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1648]) ).

thf(1826,plain,
    ! [SV134: $i] :
      ( ( ( ~ ! [SY743: $i] :
                ( ~ ( ~ ( ! [SY744: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ SY744 ) @ SV134 )
                        | ~ ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ ( sK23_SY466 @ SY743 @ SV134 ) ) @ SV134 )
                        | ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) ) )
                | ( SY743
                  = ( relation_dom @ SV134 ) ) ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1649]) ).

thf(1827,plain,
    ! [SV134: $i] :
      ( ( ( ~ ! [SY745: $i] :
                ( ( SY745
                 != ( relation_dom @ SV134 ) )
                | ~ ( ~ ! [SY746: $i] :
                          ( ! [SY747: $i] :
                              ~ ( in @ ( ordered_pair @ SY746 @ SY747 ) @ SV134 )
                          | ( in @ SY746 @ SY745 ) )
                    | ~ ! [SY748: $i] :
                          ( ~ ( in @ SY748 @ SY745 )
                          | ( in @ ( ordered_pair @ SY748 @ ( sK21_D @ SY748 @ SY745 @ SV134 ) ) @ SV134 ) ) ) ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1649]) ).

thf(1828,plain,
    ! [SV135: $i,SV366: $i] :
      ( ( ! [SY982: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SY982 @ SV366 @ SV135 ) @ SY982 )
                          | ( ( sK57_D @ SY982 @ SV366 @ SV135 )
                           != SV135 ) )
                      | ~ ( ~ ( in @ ( sK57_D @ SY982 @ SV366 @ SV135 ) @ SY982 )
                          | ( ( sK57_D @ SY982 @ SV366 @ SV135 )
                           != SV366 ) ) )
                | ~ ( ( in @ ( sK57_D @ SY982 @ SV366 @ SV135 ) @ SY982 )
                    | ( ( sK57_D @ SY982 @ SV366 @ SV135 )
                      = SV135 )
                    | ( ( sK57_D @ SY982 @ SV366 @ SV135 )
                      = SV366 ) ) )
            | ( SY982
              = ( unordered_pair @ SV135 @ SV366 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1650]) ).

thf(1829,plain,
    ! [SV367: $i,SV135: $i] :
      ( ( ! [SY983: $i] :
            ( ( SY983
             != ( unordered_pair @ SV135 @ SV367 ) )
            | ~ ( ~ ! [SY984: $i] :
                      ( ~ ( in @ SY984 @ SY983 )
                      | ( SY984 = SV135 )
                      | ( SY984 = SV367 ) )
                | ~ ~ ( ~ ! [SY754: $i] :
                            ( ( SY754 != SV135 )
                            | ( in @ SY754 @ SY983 ) )
                      | ~ ! [SY986: $i] :
                            ( ( SY986 != SV367 )
                            | ( in @ SY986 @ SY983 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1651]) ).

thf(1830,plain,
    ! [SV136: $i] :
      ( ( ( ~ ! [SY756: $i] :
                ( ~ ( relation @ SY756 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                        | ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                        | ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) ) )
                | ( SV136 = SY756 ) ) )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1652]) ).

thf(1831,plain,
    ! [SV136: $i] :
      ( ( ( ~ ! [SY757: $i] :
                ( ~ ( relation @ SY757 )
                | ( SV136 != SY757 )
                | ~ ( ~ ! [SY758: $i,SY759: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SV136 )
                          | ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SY757 ) )
                    | ~ ! [SY760: $i,SY761: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SY757 )
                          | ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SV136 ) ) ) ) )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1652]) ).

thf(1832,plain,
    ! [SV368: $i,SV298: $i] :
      ( ( ~ ( function @ SV298 )
        | ~ ( relation @ SV298 )
        | ~ ( relation @ SV368 )
        | ~ ( function @ SV368 )
        | ( function @ ( relation_composition @ SV298 @ SV368 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1653]) ).

thf(1833,plain,
    ! [SV369: $i,SV299: $i] :
      ( ( ~ ( function @ SV299 )
        | ~ ( relation @ SV299 )
        | ~ ( relation @ SV369 )
        | ~ ( function @ SV369 )
        | ( relation @ ( relation_composition @ SV299 @ SV369 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1654]) ).

thf(1834,plain,
    ! [SV137: $i,SV230: $i] :
      ( ( ( function @ SV230 )
        = $false )
      | ( ( ~ ( relation @ SV230 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY861: $i] :
                    ( ~ ( function @ SY861 )
                    | ~ ( relation @ SY861 )
                    | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
                    | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
                    | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) )
              | ~ ~ ( ~ ! [SY862: $i] :
                          ( ~ ( function @ SY862 )
                          | ~ ( relation @ SY862 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                          | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
                    | ~ ! [SY863: $i] :
                          ( ~ ( function @ SY863 )
                          | ~ ( relation @ SY863 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                          | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1655]) ).

thf(1835,plain,
    ! [SV138: $i,SV370: $i] :
      ( ( ~ ( subset @ SV370 @ ( sK41_B @ SV138 ) )
        | ( are_equipotent @ SV370 @ ( sK41_B @ SV138 ) )
        | ( in @ SV370 @ ( sK41_B @ SV138 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1656]) ).

thf(1836,plain,
    ! [SV138: $i] :
      ( ( ~ ! [SY767: $i] :
              ( ~ ( in @ SY767 @ ( sK41_B @ SV138 ) )
              | ( in @ ( powerset @ SY767 ) @ ( sK41_B @ SV138 ) ) )
        | ~ ~ ( ~ ! [SY768: $i,SY769: $i] :
                    ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
                    | ~ ( subset @ SY769 @ SY768 )
                    | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
              | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1657]) ).

thf(1837,plain,
    ! [SV139: $i] :
      ( ( ( ~ ! [SY770: $i] :
                ( ~ ( relation @ SY770 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SV139 )
                    | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SY770 ) )
                | ( subset @ SV139 @ SY770 ) ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1658]) ).

thf(1838,plain,
    ! [SV139: $i] :
      ( ( ( ~ ! [SY771: $i] :
                ( ~ ( relation @ SY771 )
                | ~ ( subset @ SV139 @ SY771 )
                | ! [SY772: $i,SY773: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SV139 )
                    | ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SY771 ) ) ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1658]) ).

thf(1839,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
                | ~ ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) )
            | ~ ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
                | ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) ) )
        | ( SV371
          = ( powerset @ SV300 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1659]) ).

thf(1840,plain,
    ! [SV301: $i,SV372: $i] :
      ( ( ( SV372
         != ( powerset @ SV301 ) )
        | ~ ( ~ ! [SY987: $i] :
                  ( ~ ( in @ SY987 @ SV372 )
                  | ( subset @ SY987 @ SV301 ) )
            | ~ ! [SY988: $i] :
                  ( ~ ( subset @ SY988 @ SV301 )
                  | ( in @ SY988 @ SV372 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1660]) ).

thf(1841,plain,
    ! [SV373: $i,SV302: $i] :
      ( ( ~ ( empty @ SV302 )
        | ~ ( relation @ SV373 )
        | ( empty @ ( relation_composition @ SV302 @ SV373 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1661]) ).

thf(1842,plain,
    ! [SV374: $i,SV303: $i] :
      ( ( ~ ( empty @ SV303 )
        | ~ ( relation @ SV374 )
        | ( relation @ ( relation_composition @ SV303 @ SV374 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1662]) ).

thf(1843,plain,
    ! [SV140: $i] :
      ( ( ( ~ ! [SY774: $i] :
                ( ~ ( relation @ SY774 )
                | ~ ( subset @ SV140 @ SY774 )
                | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SY774 ) ) ) )
        = $false )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1663]) ).

thf(1844,plain,
    ! [SV140: $i] :
      ( ( ( ~ ! [SY775: $i] :
                ( ~ ( relation @ SY775 )
                | ~ ( subset @ SV140 @ SY775 )
                | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SY775 ) ) ) )
        = $false )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1663]) ).

thf(1845,plain,
    ! [SV141: $i] :
      ( ( ( element @ ( sK8_B @ SV141 ) @ ( powerset @ SV141 ) )
        = $true )
      | ( ( empty @ SV141 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1664]) ).

thf(1846,plain,
    ! [SV141: $i] :
      ( ( ( ~ ( empty @ ( sK8_B @ SV141 ) ) )
        = $true )
      | ( ( empty @ SV141 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1665]) ).

thf(1847,plain,
    ! [SV375: $i,SV142: $i] :
      ( ( ! [SY989: $i] :
            ( ~ ( relation @ SY989 )
            | ! [SY990: $i] :
                ( ~ ( in @ SY990 @ ( relation_rng @ SY989 ) )
                | ~ ( in @ ( ordered_pair @ SV142 @ SY990 ) @ SY989 )
                | ~ ( in @ SY990 @ SV375 ) )
            | ( in @ SV142 @ ( relation_inverse_image @ SY989 @ SV375 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1666]) ).

thf(1848,plain,
    ! [SV376: $i,SV142: $i] :
      ( ( ! [SY991: $i] :
            ( ~ ( relation @ SY991 )
            | ~ ( in @ SV142 @ ( relation_inverse_image @ SY991 @ SV376 ) )
            | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SY991 @ SV376 @ SV142 ) @ ( relation_rng @ SY991 ) )
                      | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SY991 @ SV376 @ SV142 ) ) @ SY991 ) )
                | ~ ( in @ ( sK39_D @ SY991 @ SV376 @ SV142 ) @ SV376 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1667]) ).

thf(1849,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ ( sK65_SY495 @ SX1 @ SX0 ) ) )
                        | ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SX0 )
                            | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX2 ) )
                        | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1668]) ).

thf(1850,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( ~ ( in @ ( sK63_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                              | ~ ~ ( in @ SX2 @ ( sK63_D @ SX2 @ SX1 @ SX0 ) ) )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SX0 )
                              | ( in @ SX2 @ SX3 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1668]) ).

thf(1851,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ( SX1 = empty_set ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1669]) ).

thf(1852,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1 != empty_set )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1669]) ).

thf(1853,plain,
    ! [SV304: $i] :
      ( ( ( ~ ( relation @ SV304 ) )
        = $true )
      | ( ( ( relation_rng @ SV304 )
          = ( relation_dom @ ( relation_inverse @ SV304 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1670]) ).

thf(1854,plain,
    ! [SV305: $i] :
      ( ( ( ~ ( relation @ SV305 ) )
        = $true )
      | ( ( ( relation_dom @ SV305 )
          = ( relation_rng @ ( relation_inverse @ SV305 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1671]) ).

thf(1855,plain,
    ! [SV377: $i,SV308: $i] :
      ( ( ( SV308 = SV377 )
        | ~ ( subset @ SV308 @ SV377 )
        | ( proper_subset @ SV308 @ SV377 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1674]) ).

thf(1856,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1675]) ).

thf(1857,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1675]) ).

thf(1858,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ! [SY864: $i,SY865: $i] :
            ( ~ ( in @ SV143 @ SY864 )
            | ~ ( in @ SV231 @ SY865 )
            | ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY864 @ SY865 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1676]) ).

thf(1859,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ( ~ ! [SY866: $i] :
                  ( ! [SY867: $i] :
                      ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY866 @ SY867 ) )
                  | ( in @ SV143 @ SY866 ) )
            | ~ ! [SY868: $i,SY869: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY868 @ SY869 ) )
                  | ( in @ SV231 @ SY869 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1677]) ).

thf(1860,plain,
    ! [SV144: $i,SV378: $i] :
      ( ( ! [SY992: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SY992 @ SV378 @ SV144 ) @ SY992 )
                          | ~ ( in @ ( sK56_D @ SY992 @ SV378 @ SV144 ) @ SV144 ) )
                      | ~ ( ~ ( in @ ( sK56_D @ SY992 @ SV378 @ SV144 ) @ SY992 )
                          | ~ ( in @ ( sK56_D @ SY992 @ SV378 @ SV144 ) @ SV378 ) ) )
                | ~ ( ( in @ ( sK56_D @ SY992 @ SV378 @ SV144 ) @ SY992 )
                    | ( in @ ( sK56_D @ SY992 @ SV378 @ SV144 ) @ SV144 )
                    | ( in @ ( sK56_D @ SY992 @ SV378 @ SV144 ) @ SV378 ) ) )
            | ( SY992
              = ( set_union2 @ SV144 @ SV378 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1678]) ).

thf(1861,plain,
    ! [SV379: $i,SV144: $i] :
      ( ( ! [SY993: $i] :
            ( ( SY993
             != ( set_union2 @ SV144 @ SV379 ) )
            | ~ ( ~ ! [SY994: $i] :
                      ( ~ ( in @ SY994 @ SY993 )
                      | ( in @ SY994 @ SV144 )
                      | ( in @ SY994 @ SV379 ) )
                | ~ ~ ( ~ ! [SY793: $i] :
                            ( ~ ( in @ SY793 @ SV144 )
                            | ( in @ SY793 @ SY993 ) )
                      | ~ ! [SY996: $i] :
                            ( ~ ( in @ SY996 @ SV379 )
                            | ( in @ SY996 @ SY993 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1679]) ).

thf(1862,plain,
    ! [SV309: $i] :
      ( ( ( ~ ( empty @ SV309 ) )
        = $true )
      | ( ( empty @ ( relation_dom @ SV309 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1680]) ).

thf(1863,plain,
    ! [SV310: $i] :
      ( ( ( ~ ( empty @ SV310 ) )
        = $true )
      | ( ( relation @ ( relation_dom @ SV310 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1681]) ).

thf(1864,plain,
    ! [SV380: $i,SV145: $i] :
      ( ( ! [SY997: $i] :
            ( ~ ( relation @ SY997 )
            | ! [SY998: $i] :
                ( ~ ( in @ SY998 @ ( relation_dom @ SY997 ) )
                | ~ ( in @ ( ordered_pair @ SY998 @ SV145 ) @ SY997 )
                | ~ ( in @ SY998 @ SV380 ) )
            | ( in @ SV145 @ ( relation_image @ SY997 @ SV380 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1682]) ).

thf(1865,plain,
    ! [SV381: $i,SV145: $i] :
      ( ( ! [SY999: $i] :
            ( ~ ( relation @ SY999 )
            | ~ ( in @ SV145 @ ( relation_image @ SY999 @ SV381 ) )
            | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SY999 @ SV381 @ SV145 ) @ ( relation_dom @ SY999 ) )
                      | ~ ( in @ ( ordered_pair @ ( sK40_D @ SY999 @ SV381 @ SV145 ) @ SV145 ) @ SY999 ) )
                | ~ ( in @ ( sK40_D @ SY999 @ SV381 @ SV145 ) @ SV381 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1683]) ).

thf(1866,plain,
    ! [SV382: $i,SV146: $i] :
      ( ( ~ ( subset @ SV146 @ SV382 )
        | ! [SY1000: $i] : ( subset @ ( cartesian_product2 @ SV146 @ SY1000 ) @ ( cartesian_product2 @ SV382 @ SY1000 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1684]) ).

thf(1867,plain,
    ! [SV383: $i,SV146: $i] :
      ( ( ~ ( subset @ SV146 @ SV383 )
        | ! [SY1001: $i] : ( subset @ ( cartesian_product2 @ SY1001 @ SV146 ) @ ( cartesian_product2 @ SY1001 @ SV383 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1685]) ).

thf(1868,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
              | ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) ) )
        = $false )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1686]) ).

thf(1869,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( ~ ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
              | ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) ) )
        = $false )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1686]) ).

thf(1870,plain,
    ! [SV384: $i,SV311: $i] :
      ( ( ~ ( subset @ SV311 @ ( singleton @ SV384 ) )
        | ( SV311 = empty_set )
        | ( SV311
          = ( singleton @ SV384 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1687]) ).

thf(1871,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1688]) ).

thf(1872,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1688]) ).

thf(1873,plain,
    ! [SV233: $i,SV148: $i] :
      ( ( ! [SY870: $i] :
            ( ! [SY871: $i] :
                ( ( ordered_pair @ SV148 @ SV233 )
               != ( ordered_pair @ SY870 @ SY871 ) )
            | ( SV148 = SY870 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1689]) ).

thf(1874,plain,
    ! [SV233: $i,SV148: $i] :
      ( ( ! [SY872: $i,SY873: $i] :
            ( ( ( ordered_pair @ SV148 @ SV233 )
             != ( ordered_pair @ SY872 @ SY873 ) )
            | ( SV233 = SY873 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1690]) ).

thf(1875,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ~ ( ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV312 )
            | ~ ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV385 ) )
        | ( subset @ SV312 @ SV385 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1691]) ).

thf(1876,plain,
    ! [SV386: $i,SV313: $i] :
      ( ( ~ ( subset @ SV313 @ SV386 )
        | ! [SY1002: $i] :
            ( ~ ( in @ SY1002 @ SV313 )
            | ( in @ SY1002 @ SV386 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1692]) ).

thf(1877,plain,
    ! [SV314: $i] :
      ( ( ( ~ ( relation @ SV314 ) )
        = $true )
      | ( ( ( ( relation_dom @ SV314 )
           != empty_set )
          | ( SV314 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1694]) ).

thf(1878,plain,
    ! [SV315: $i] :
      ( ( ( ~ ( relation @ SV315 ) )
        = $true )
      | ( ( ( ( relation_rng @ SV315 )
           != empty_set )
          | ( SV315 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1695]) ).

thf(1879,plain,
    ! [SV316: $i] :
      ( ( ( ~ ( empty @ SV316 ) )
        = $true )
      | ( ( empty @ ( relation_rng @ SV316 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1696]) ).

thf(1880,plain,
    ! [SV317: $i] :
      ( ( ( ~ ( empty @ SV317 ) )
        = $true )
      | ( ( relation @ ( relation_rng @ SV317 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1697]) ).

thf(1881,plain,
    ! [SV149: $i,SV387: $i] :
      ( ( ! [SY1003: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SY1003 @ SV387 @ SV149 ) @ SV149 )
                    | ( in @ ( sK45_D @ SY1003 @ SV387 @ SV149 ) @ SV387 )
                    | ~ ( in @ ( sK45_D @ SY1003 @ SV387 @ SV149 ) @ SY1003 ) )
                | ~ ~ ( ~ ( ( in @ ( sK45_D @ SY1003 @ SV387 @ SV149 ) @ SV149 )
                          | ( in @ ( sK45_D @ SY1003 @ SV387 @ SV149 ) @ SY1003 ) )
                      | ~ ( ~ ( in @ ( sK45_D @ SY1003 @ SV387 @ SV149 ) @ SV387 )
                          | ( in @ ( sK45_D @ SY1003 @ SV387 @ SV149 ) @ SY1003 ) ) ) )
            | ( SY1003
              = ( set_difference @ SV149 @ SV387 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1698]) ).

thf(1882,plain,
    ! [SV388: $i,SV149: $i] :
      ( ( ! [SY1004: $i] :
            ( ( SY1004
             != ( set_difference @ SV149 @ SV388 ) )
            | ~ ( ~ ! [SY1005: $i] :
                      ( ~ ( in @ SY1005 @ SV149 )
                      | ( in @ SY1005 @ SV388 )
                      | ( in @ SY1005 @ SY1004 ) )
                | ~ ~ ( ~ ! [SY815: $i] :
                            ( ~ ( in @ SY815 @ SY1004 )
                            | ( in @ SY815 @ SV149 ) )
                      | ~ ! [SY1007: $i] :
                            ( ~ ( in @ SY1007 @ SY1004 )
                            | ~ ( in @ SY1007 @ SV388 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1699]) ).

thf(1883,plain,
    ! [SV4: $i,SV153: $i,SV318: $i] :
      ( ( ( ~ ( in @ SV318 @ SV153 ) )
        = $true )
      | ( ( in @ SV318 @ SV4 )
        = $true )
      | ( ( element @ SV153 @ ( powerset @ SV4 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1701]) ).

thf(1884,plain,
    ! [SV12: $i,SV234: $i,SV160: $i] :
      ( ( ( element @ SV160 @ ( powerset @ SV234 ) )
        = $false )
      | ( ( ~ ( in @ SV12 @ SV160 ) )
        = $true )
      | ( ( element @ SV12 @ SV234 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1704]) ).

thf(1885,plain,
    ! [SV162: $i,SV15: $i,SV319: $i] :
      ( ( ( in @ SV319 @ SV15 )
        = $true )
      | ( ( subset @ SV15 @ ( set_difference @ SV162 @ ( singleton @ SV319 ) ) )
        = $true )
      | ( ( subset @ SV15 @ SV162 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1706]) ).

thf(1886,plain,
    ! [SV250: $i,SV163: $i,SV235: $i,SV16: $i] :
      ( ( ( SV16 = SV235 )
        = $true )
      | ( ( ( ( unordered_pair @ SV16 @ SV163 )
           != ( unordered_pair @ SV235 @ SV250 ) ) )
        = $true )
      | ( ( SV16 = SV250 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1707]) ).

thf(1887,plain,
    ! [SV251: $i,SV236: $i,SV168: $i,SV21: $i] :
      ( ( ( ~ ( subset @ SV21 @ SV168 ) )
        = $true )
      | ( ( ~ ( subset @ SV236 @ SV251 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV21 @ SV236 ) @ ( cartesian_product2 @ SV168 @ SV251 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1708]) ).

thf(1888,plain,
    ! [SV173: $i,SV27: $i] :
      ( ( ( SV27 = empty_set )
        = $true )
      | ( ( ~ ( subset @ SV27 @ ( relation_rng @ SV173 ) ) )
        = $true )
      | ( ( ( ( relation_inverse_image @ SV173 @ SV27 )
           != empty_set ) )
        = $true )
      | ( ( relation @ SV173 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1709]) ).

thf(1889,plain,
    ! [SV237: $i,SV174: $i,SV28: $i] :
      ( ( ( ~ ( subset @ SV28 @ SV174 ) )
        = $true )
      | ( ( subset @ ( relation_inverse_image @ SV237 @ SV28 ) @ ( relation_inverse_image @ SV237 @ SV174 ) )
        = $true )
      | ( ( relation @ SV237 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1710]) ).

thf(1890,plain,
    ! [SV238: $i,SV176: $i,SV30: $i] :
      ( ( ( subset @ SV30 @ SV176 )
        = $false )
      | ( ( ~ ( subset @ SV30 @ SV238 ) )
        = $true )
      | ( ( subset @ SV30 @ ( set_intersection2 @ SV176 @ SV238 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1711]) ).

thf(1891,plain,
    ! [SV239: $i,SV177: $i,SV31: $i] :
      ( ( ( subset @ SV31 @ SV177 )
        = $false )
      | ( ( ~ ( subset @ SV177 @ SV239 ) )
        = $true )
      | ( ( subset @ SV31 @ SV239 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1712]) ).

thf(1892,plain,
    ! [SV33: $i,SV178: $i] :
      ( ( ( relation @ SV178 )
        = $false )
      | ( ( function @ SV178 )
        = $false )
      | ( ( ! [SY827: $i] :
              ( ~ ( function @ SY827 )
              | ~ ( relation @ SY827 )
              | ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SY827 @ SV178 ) ) )
              | ( ( apply @ ( relation_composition @ SY827 @ SV178 ) @ SV33 )
                = ( apply @ SV178 @ ( apply @ SY827 @ SV33 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1713]) ).

thf(1893,plain,
    ! [SV34: $i,SV179: $i] :
      ( ( ( relation @ SV179 )
        = $false )
      | ( ( function @ SV179 )
        = $false )
      | ( ( ! [SY828: $i] :
              ( ~ ( function @ SY828 )
              | ~ ( relation @ SY828 )
              | ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
              | ( ( apply @ ( relation_composition @ SV179 @ SY828 ) @ SV34 )
                = ( apply @ SY828 @ ( apply @ SV179 @ SV34 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1714]) ).

thf(1894,plain,
    ! [SV43: $i,SV252: $i] :
      ( ( ( relation @ SV252 )
        = $false )
      | ( ( subset @ ( relation_dom @ ( relation_composition @ SV43 @ SV252 ) ) @ ( relation_dom @ SV43 ) )
        = $true )
      | ( ( relation @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1717]) ).

thf(1895,plain,
    ! [SV44: $i,SV253: $i] :
      ( ( ( relation @ SV253 )
        = $false )
      | ( ( subset @ ( relation_rng @ ( relation_composition @ SV44 @ SV253 ) ) @ ( relation_rng @ SV253 ) )
        = $true )
      | ( ( relation @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1718]) ).

thf(1896,plain,
    ! [SV46: $i,SV254: $i] :
      ( ( ( relation @ SV254 )
        = $false )
      | ( ( ~ ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SV254 ) )
          | ( ( relation_dom @ ( relation_composition @ SV46 @ SV254 ) )
            = ( relation_dom @ SV46 ) ) )
        = $true )
      | ( ( relation @ SV46 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1719]) ).

thf(1897,plain,
    ! [SV187: $i,SV47: $i] :
      ( ( ( ( complements_of_subsets @ SV47 @ SV187 )
          = empty_set )
        = $false )
      | ( ( SV187 = empty_set )
        = $true )
      | ( ( element @ SV187 @ ( powerset @ ( powerset @ SV47 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1720]) ).

thf(1898,plain,
    ! [SV48: $i,SV255: $i] :
      ( ( ( relation @ SV255 )
        = $false )
      | ( ( ~ ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SV255 ) )
          | ( ( relation_rng @ ( relation_composition @ SV255 @ SV48 ) )
            = ( relation_rng @ SV48 ) ) )
        = $true )
      | ( ( relation @ SV48 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1721]) ).

thf(1899,plain,
    ! [SV240: $i,SV50: $i,SV389: $i] :
      ( ( ( ~ ( element @ SV389 @ SV50 )
          | ( in @ SV389 @ SV240 )
          | ( in @ SV389 @ ( subset_complement @ SV50 @ SV240 ) ) )
        = $true )
      | ( ( element @ SV240 @ ( powerset @ SV50 ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1722]) ).

thf(1900,plain,
    ! [SV241: $i,SV51: $i,SV189: $i] :
      ( ( ( ~ ( in @ SV189 @ ( subset_complement @ SV51 @ SV241 ) ) )
        = $true )
      | ( ( ~ ( in @ SV189 @ SV241 ) )
        = $true )
      | ( ( element @ SV241 @ ( powerset @ SV51 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1723]) ).

thf(1901,plain,
    ! [SV54: $i,SV242: $i,SV191: $i] :
      ( ( ( disjoint @ SV191 @ SV242 )
        = $false )
      | ( ( ~ ( subset @ SV54 @ SV191 ) )
        = $true )
      | ( ( disjoint @ SV54 @ SV242 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1725]) ).

thf(1902,plain,
    ! [SV243: $i,SV195: $i,SV59: $i] :
      ( ( ( subset @ SV59 @ SV195 )
        = $false )
      | ( ( ~ ( subset @ SV243 @ SV195 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV59 @ SV243 ) @ SV195 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1726]) ).

thf(1903,plain,
    ! [SV76: $i,SV206: $i] :
      ( ( ( relation @ SV206 )
        = $false )
      | ( ( relation @ SV76 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV76 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1729]) ).

thf(1904,plain,
    ! [SV245: $i,SV79: $i,SV209: $i] :
      ( ( ( element @ SV209 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( ~ ( element @ SV245 @ ( powerset @ SV79 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV79 @ SV209 @ SV245 ) @ ( powerset @ SV79 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1730]) ).

thf(1905,plain,
    ! [SV84: $i,SV212: $i] :
      ( ( ( relation @ SV212 )
        = $false )
      | ( ( relation @ SV84 )
        = $false )
      | ( ( relation @ ( set_intersection2 @ SV84 @ SV212 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1731]) ).

thf(1906,plain,
    ! [SV87: $i,SV214: $i] :
      ( ( ( relation @ SV214 )
        = $false )
      | ( ( relation @ SV87 )
        = $false )
      | ( ( relation @ ( set_union2 @ SV87 @ SV214 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1732]) ).

thf(1907,plain,
    ! [SV248: $i,SV102: $i,SV221: $i] :
      ( ( ( element @ SV221 @ ( powerset @ SV102 ) )
        = $false )
      | ( ( ~ ( element @ SV248 @ ( powerset @ SV102 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV102 @ SV221 @ SV248 )
          = ( set_difference @ SV221 @ SV248 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1736]) ).

thf(1908,plain,
    ! [SV109: $i,SV249: $i,SV223: $i] :
      ( ( ( element @ SV223 @ ( powerset @ SV249 ) )
        = $false )
      | ( ( ~ ( in @ SV109 @ SV223 ) )
        = $true )
      | ( ( ~ ( empty @ SV249 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1737]) ).

thf(1909,plain,
    ! [SV111: $i,SV224: $i] :
      ( ( ( empty @ SV224 )
        = $false )
      | ( ( SV111 = SV224 )
        = $true )
      | ( ( empty @ SV111 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1738]) ).

thf(1910,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
                | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
                | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
            | ~ ~ ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
                      | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
                  | ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
                      | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) ) )
        | ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1739]) ).

thf(1911,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( SV391
         != ( set_intersection2 @ SV112 @ SV323 ) )
        | ~ ( ~ ! [SY1008: $i] :
                  ( ~ ( in @ SY1008 @ SV112 )
                  | ~ ( in @ SY1008 @ SV323 )
                  | ( in @ SY1008 @ SV391 ) )
            | ~ ~ ( ~ ! [SY1009: $i] :
                        ( ~ ( in @ SY1009 @ SV391 )
                        | ( in @ SY1009 @ SV112 ) )
                  | ~ ! [SY1010: $i] :
                        ( ~ ( in @ SY1010 @ SV391 )
                        | ( in @ SY1010 @ SV323 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1740]) ).

thf(1912,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( ~ ( ! [SY952: $i] :
                      ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SY952 )
                      | ~ ( in @ SY952 @ SV258 ) )
                  | ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
              | ~ ( ~ ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
                      | ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) )
                  | ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) ) ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1741]) ).

thf(1913,plain,
    ! [SV259: $i,SV325: $i] :
      ( ( ( ( SV325
           != ( union @ SV259 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY953: $i] :
                    ( ! [SY881: $i] :
                        ( ~ ( in @ SY953 @ SY881 )
                        | ~ ( in @ SY881 @ SV259 ) )
                    | ( in @ SY953 @ SV325 ) )
              | ~ ! [SY955: $i] :
                    ( ~ ( in @ SY955 @ SV325 )
                    | ~ ( ~ ( in @ SY955 @ ( sK46_D @ SY955 @ SV325 @ SV259 ) )
                        | ~ ( in @ ( sK46_D @ SY955 @ SV325 @ SV259 ) @ SV259 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1742]) ).

thf(1914,plain,
    ! [SV113: $i,SV225: $i] :
      ( ( ( ~ ! [SY839: $i] :
                ( ~ ( relation @ SY839 )
                | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                        | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                        | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                    | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                              | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                          | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                              | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) ) ) )
                | ( SY839
                  = ( relation_rng_restriction @ SV113 @ SV225 ) ) ) )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1743]) ).

thf(1915,plain,
    ! [SV225: $i,SV113: $i] :
      ( ( ( ~ ! [SY840: $i] :
                ( ~ ( relation @ SY840 )
                | ( SY840
                 != ( relation_rng_restriction @ SV113 @ SV225 ) )
                | ~ ( ~ ! [SY841: $i,SY842: $i] :
                          ( ~ ( in @ SY842 @ SV113 )
                          | ~ ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SV225 )
                          | ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SY840 ) )
                    | ~ ~ ( ~ ! [SY619: $i,SY620: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY619 @ SY620 ) @ SY840 )
                                | ( in @ SY620 @ SV113 ) )
                          | ~ ! [SY845: $i,SY846: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SY840 )
                                | ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SV225 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1743]) ).

thf(1916,plain,
    ! [SV326: $i,SV260: $i] :
      ( ( ( ~ ( empty @ SV260 )
          | ~ ( relation @ SV326 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV326 @ SV260 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1744]) ).

thf(1917,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ( ~ ( empty @ SV261 )
          | ~ ( relation @ SV327 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV327 @ SV261 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1745]) ).

thf(1918,plain,
    ! [SV226: $i,SV392: $i,SV114: $i] :
      ( ( ! [SY1011: $i] :
            ( ~ ( in @ SV114 @ SV392 )
            | ~ ( in @ SV226 @ SY1011 )
            | ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV392 @ SY1011 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1746]) ).

thf(1919,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ! [SY849: $i] :
              ( ! [SY850: $i] :
                  ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY849 @ SY850 ) )
              | ( in @ SV114 @ SY849 ) )
        | ~ ! [SY851: $i,SY852: $i] :
              ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY851 @ SY852 ) )
              | ( in @ SV226 @ SY852 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1747]) ).

thf(1920,plain,
    ! [SV328: $i,SV262: $i] :
      ( ( ( disjoint @ SV262 @ SV328 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV262 )
              | ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV328 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1748]) ).

thf(1921,plain,
    ! [SV329: $i,SV263: $i] :
      ( ( ( ! [SY956: $i] :
              ( ~ ( in @ SY956 @ SV263 )
              | ~ ( in @ SY956 @ SV329 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV263 @ SV329 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1749]) ).

thf(1922,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ~ ( ~ ( ( ( sK62_C @ SV330 @ SV264 )
                   != SV264 )
                  | ~ ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) )
              | ~ ( ( ( sK62_C @ SV330 @ SV264 )
                    = SV264 )
                  | ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) ) ) )
        = $true )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1750]) ).

thf(1923,plain,
    ! [SV265: $i,SV331: $i] :
      ( ( ( ( SV331
           != ( singleton @ SV265 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY957: $i] :
                    ( ( SY957 != SV265 )
                    | ( in @ SY957 @ SV331 ) )
              | ~ ! [SY958: $i] :
                    ( ~ ( in @ SY958 @ SV331 )
                    | ( SY958 = SV265 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1751]) ).

thf(1924,plain,
    ! [SV267: $i] :
      ( ( ( SV267 = empty_set )
        = $false )
      | ( ( ! [SY892: $i] :
              ~ ( in @ SY892 @ SV267 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1753]) ).

thf(1925,plain,
    ! [SV115: $i,SV332: $i] :
      ( ( ( ~ ( subset @ SV332 @ ( sK42_B @ SV115 ) )
          | ( are_equipotent @ SV332 @ ( sK42_B @ SV115 ) ) )
        = $true )
      | ( ( in @ SV332 @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1754]) ).

thf(1926,plain,
    ! [SV115: $i] :
      ( ( ~ ! [SY631: $i] :
              ( ~ ( ~ ! [SY632: $i] :
                        ( ~ ( subset @ SY632 @ SY631 )
                        | ( in @ SY632 @ ( sK43_SY481 @ SY631 @ SV115 ) ) )
                  | ~ ( in @ ( sK43_SY481 @ SY631 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
              | ~ ( in @ SY631 @ ( sK42_B @ SV115 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1755]) ).

thf(1927,plain,
    ! [SV115: $i] :
      ( ( ~ ~ ( ~ ! [SY633: $i,SY634: $i] :
                    ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
                    | ~ ( subset @ SY634 @ SY633 )
                    | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
              | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1755]) ).

thf(1928,plain,
    ! [SV333: $i,SV268: $i] :
      ( ( ( ~ ( subset @ SV268 @ ( singleton @ SV333 ) ) )
        = $true )
      | ( ( ( SV268 = empty_set )
          | ( SV268
            = ( singleton @ SV333 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1756]) ).

thf(1929,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1757]) ).

thf(1930,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1758]) ).

thf(1931,plain,
    ! [SV116: $i] :
      ( ( ( ~ ~ ( ~ ! [SY635: $i] :
                      ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                      | ! [SY636: $i] :
                          ( ( SY636
                           != ( apply @ SV116 @ SY635 ) )
                          | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
                | ~ ! [SY637: $i] :
                      ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                      | ! [SY638: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                          | ( SY638
                            = ( apply @ SV116 @ SY637 ) ) ) ) )
          | ~ ~ ( ~ ! [SY639: $i] :
                      ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                      | ! [SY640: $i] :
                          ( ( SY640
                           != ( apply @ SV116 @ SY639 ) )
                          | ( SY640 = empty_set ) ) )
                | ~ ! [SY641: $i] :
                      ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                      | ! [SY642: $i] :
                          ( ( SY642 != empty_set )
                          | ( SY642
                            = ( apply @ SV116 @ SY641 ) ) ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1759]) ).

thf(1932,plain,
    ! [SV393: $i,SV334: $i,SV117: $i] :
      ( ( ~ ( ~ ( ! [SY1012: $i,SY1013: $i] :
                    ( ~ ( in @ SY1012 @ SV117 )
                    | ~ ( in @ SY1013 @ SV334 )
                    | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                     != ( ordered_pair @ SY1012 @ SY1013 ) ) )
                | ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
            | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                          | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
                    | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                     != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) )
                | ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) ) )
        | ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1760]) ).

thf(1933,plain,
    ! [SV335: $i,SV117: $i,SV394: $i] :
      ( ( ( SV394
         != ( cartesian_product2 @ SV117 @ SV335 ) )
        | ~ ( ~ ! [SY1014: $i] :
                  ( ! [SY964: $i,SY965: $i] :
                      ( ~ ( in @ SY964 @ SV117 )
                      | ~ ( in @ SY965 @ SV335 )
                      | ( SY1014
                       != ( ordered_pair @ SY964 @ SY965 ) ) )
                  | ( in @ SY1014 @ SV394 ) )
            | ~ ! [SY1017: $i] :
                  ( ~ ( in @ SY1017 @ SV394 )
                  | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                            | ~ ( in @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
                      | ( SY1017
                       != ( ordered_pair @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1761]) ).

thf(1934,plain,
    ! [SV336: $i,SV269: $i] :
      ( ( ( ( ( set_difference @ SV269 @ SV336 )
           != empty_set ) )
        = $true )
      | ( ( subset @ SV269 @ SV336 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1762]) ).

thf(1935,plain,
    ! [SV337: $i,SV270: $i] :
      ( ( ( ~ ( subset @ SV270 @ SV337 ) )
        = $true )
      | ( ( ( set_difference @ SV270 @ SV337 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1763]) ).

thf(1936,plain,
    ! [SV271: $i] :
      ( ( ( relation @ SV271 )
        = $false )
      | ( ( ( ( relation_dom @ SV271 )
           != empty_set )
          | ( ( relation_rng @ SV271 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1764]) ).

thf(1937,plain,
    ! [SV272: $i] :
      ( ( ( relation @ SV272 )
        = $false )
      | ( ( ( ( relation_rng @ SV272 )
           != empty_set )
          | ( ( relation_dom @ SV272 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1765]) ).

thf(1938,plain,
    ! [SV118: $i,SV338: $i,SV395: $i] :
      ( ( ~ ( function @ SV395 )
        | ~ ( relation @ SV395 )
        | ( SV338
         != ( apply @ SV395 @ SV118 ) )
        | ~ ( in @ SV118 @ ( relation_dom @ SV395 ) )
        | ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1766]) ).

thf(1939,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY655: $i,SY656: $i] :
              ( ~ ( function @ SY656 )
              | ~ ( relation @ SY656 )
              | ~ ( in @ ( ordered_pair @ SV118 @ SY655 ) @ SY656 )
              | ( SY655
                = ( apply @ SY656 @ SV118 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1767]) ).

thf(1940,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY657: $i,SY658: $i] :
              ( ~ ( function @ SY658 )
              | ~ ( relation @ SY658 )
              | ~ ( in @ ( ordered_pair @ SV118 @ SY657 ) @ SY658 )
              | ( in @ SV118 @ ( relation_dom @ SY658 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1767]) ).

thf(1941,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( relation @ SV339 ) )
        = $true )
      | ( ( ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                   != ( sK70_SY500 @ SV339 @ SV273 ) )
                  | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                  | ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
              | ~ ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                          = ( sK70_SY500 @ SV339 @ SV273 ) )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
                    | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) ) )
          | ( SV339
            = ( identity_relation @ SV273 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1768]) ).

thf(1942,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ~ ( relation @ SV340 ) )
        = $true )
      | ( ( ( SV340
           != ( identity_relation @ SV274 ) )
          | ~ ( ~ ! [SY968: $i,SY969: $i] :
                    ( ( SY968 != SY969 )
                    | ~ ( in @ SY968 @ SV274 )
                    | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) )
              | ~ ~ ( ~ ! [SY970: $i,SY971: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                          | ( SY970 = SY971 ) )
                    | ~ ! [SY972: $i] :
                          ( ! [SY973: $i] :
                              ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                          | ( in @ SY972 @ SV274 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1769]) ).

thf(1943,plain,
    ! [SV120: $i,SV275: $i] :
      ( ( ( relation @ SV275 )
        = $false )
      | ( ( ~ ( ~ ! [SY904: $i] :
                    ( ~ ( relation @ SY904 )
                    | ~ ( ~ ( ! [SY905: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ SY905 ) @ SV120 )
                                | ~ ( in @ ( ordered_pair @ SY905 @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) ) @ SV120 )
                                | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                            | ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) ) )
                    | ( SY904
                      = ( relation_composition @ SV120 @ SV275 ) ) )
              | ~ ! [SY906: $i] :
                    ( ~ ( relation @ SY906 )
                    | ( SY906
                     != ( relation_composition @ SV120 @ SV275 ) )
                    | ~ ( ~ ! [SY907: $i,SY908: $i] :
                              ( ! [SY909: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY907 @ SY909 ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ SY909 @ SY908 ) @ SV275 ) )
                              | ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SY906 ) )
                        | ~ ! [SY910: $i,SY911: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY910 @ SY911 ) @ SY906 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY910 @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) ) @ SV120 )
                                  | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) @ SY911 ) @ SV275 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1770]) ).

thf(1944,plain,
    ! [SV227: $i,SV121: $i] :
      ( ( ( ~ ! [SY853: $i] :
                ( ~ ( element @ SY853 @ ( powerset @ SV121 ) )
                | ~ ( disjoint @ SV227 @ SY853 )
                | ( subset @ SV227 @ ( subset_complement @ SV121 @ SY853 ) ) ) )
        = $false )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1771]) ).

thf(1945,plain,
    ! [SV227: $i,SV121: $i] :
      ( ( ( ~ ! [SY854: $i] :
                ( ~ ( element @ SY854 @ ( powerset @ SV121 ) )
                | ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SY854 ) )
                | ( disjoint @ SV227 @ SY854 ) ) )
        = $false )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1771]) ).

thf(1946,plain,
    ! [SV341: $i,SV122: $i,SV396: $i] :
      ( ( ~ ( relation @ SV396 )
        | ~ ( in @ SV122 @ SV341 )
        | ~ ( in @ SV122 @ ( relation_rng @ SV396 ) )
        | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SV396 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1772]) ).

thf(1947,plain,
    ! [SV122: $i] :
      ( ( ~ ! [SY673: $i,SY674: $i] :
              ( ~ ( relation @ SY674 )
              | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY673 @ SY674 ) ) )
              | ( in @ SV122 @ SY673 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1773]) ).

thf(1948,plain,
    ! [SV122: $i] :
      ( ( ~ ! [SY675: $i,SY676: $i] :
              ( ~ ( relation @ SY676 )
              | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY675 @ SY676 ) ) )
              | ( in @ SV122 @ ( relation_rng @ SY676 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1773]) ).

thf(1949,plain,
    ! [SV123: $i] :
      ( ( ( ! [SY677: $i,SY678: $i] :
              ( ~ ( relation @ SY678 )
              | ~ ( ~ ( ~ ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                      | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                      | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ SY677 )
                            | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SV123 )
                            | ( in @ ( ordered_pair @ ( sK34_D @ SY678 @ SY677 @ SV123 ) @ ( sK35_SY473 @ SY678 @ SY677 @ SV123 ) ) @ SY678 ) ) ) )
              | ( SY678
                = ( relation_dom_restriction @ SV123 @ SY677 ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1774]) ).

thf(1950,plain,
    ! [SV123: $i] :
      ( ( ( ! [SY679: $i,SY680: $i] :
              ( ~ ( relation @ SY680 )
              | ( SY680
               != ( relation_dom_restriction @ SV123 @ SY679 ) )
              | ~ ( ~ ! [SY681: $i,SY682: $i] :
                        ( ~ ( in @ SY681 @ SY679 )
                        | ~ ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SV123 )
                        | ( in @ ( ordered_pair @ SY681 @ SY682 ) @ SY680 ) )
                  | ~ ~ ( ~ ! [SX3: $i] :
                              ( ! [SX4: $i] :
                                  ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY680 )
                              | ( in @ SX3 @ SY679 ) )
                        | ~ ! [SY685: $i,SY686: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SY680 )
                              | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV123 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1775]) ).

thf(1951,plain,
    ! [SV124: $i] :
      ( ( ( ! [SY687: $i] :
              ( ~ ( relation @ SY687 )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                      | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SY687 @ SV124 ) @ ( sK17_SY462 @ SY687 @ SV124 ) ) @ SY687 )
                      | ( in @ ( ordered_pair @ ( sK17_SY462 @ SY687 @ SV124 ) @ ( sK16_C @ SY687 @ SV124 ) ) @ SV124 ) ) )
              | ( SY687
                = ( relation_inverse @ SV124 ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1776]) ).

thf(1952,plain,
    ! [SV124: $i] :
      ( ( ( ! [SY688: $i] :
              ( ~ ( relation @ SY688 )
              | ( SY688
               != ( relation_inverse @ SV124 ) )
              | ~ ( ~ ! [SY689: $i,SY690: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY689 @ SY690 ) @ SY688 )
                        | ( in @ ( ordered_pair @ SY690 @ SY689 ) @ SV124 ) )
                  | ~ ! [SY691: $i,SY692: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY692 @ SY691 ) @ SV124 )
                        | ( in @ ( ordered_pair @ SY691 @ SY692 ) @ SY688 ) ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1777]) ).

thf(1953,plain,
    ! [SV342: $i,SV276: $i] :
      ( ( ( ~ ( element @ SV276 @ ( powerset @ SV342 ) ) )
        = $true )
      | ( ( subset @ SV276 @ SV342 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1778]) ).

thf(1954,plain,
    ! [SV343: $i,SV277: $i] :
      ( ( ( ~ ( subset @ SV277 @ SV343 ) )
        = $true )
      | ( ( element @ SV277 @ ( powerset @ SV343 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1779]) ).

thf(1955,plain,
    ! [SV344: $i,SV278: $i] :
      ( ( ( ~ ( in @ SV278 @ SV344 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV278 ) @ SV344 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1780]) ).

thf(1956,plain,
    ! [SV345: $i,SV279: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV279 ) @ SV345 ) )
        = $true )
      | ( ( in @ SV279 @ SV345 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1781]) ).

thf(1957,plain,
    ! [SV346: $i,SV280: $i] :
      ( ( ( ( ( set_intersection2 @ SV280 @ SV346 )
           != empty_set ) )
        = $true )
      | ( ( disjoint @ SV280 @ SV346 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1782]) ).

thf(1958,plain,
    ! [SV347: $i,SV281: $i] :
      ( ( ( ~ ( disjoint @ SV281 @ SV347 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV281 @ SV347 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1783]) ).

thf(1959,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ~ ( function @ SV348 )
          | ~ ( relation @ SV348 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
              | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
                   != ( sK38_C @ SV348 @ SV282 ) ) ) )
          | ( ( relation_dom @ SV348 )
           != SV282 )
          | ( SV348
            = ( identity_relation @ SV282 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1784]) ).

thf(1960,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( function @ SX1 )
          | ~ ( relation @ SX1 )
          | ( SX1
           != ( identity_relation @ SX0 ) )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ( ( apply @ SX1 @ SX2 )
                = SX2 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1785]) ).

thf(1961,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( function @ SX1 )
          | ~ ( relation @ SX1 )
          | ( SX1
           != ( identity_relation @ SX0 ) )
          | ( ( relation_dom @ SX1 )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1786]) ).

thf(1962,plain,
    ! [SV349: $i,SV283: $i] :
      ( ( ( ( ( set_difference @ SV283 @ SV349 )
           != empty_set ) )
        = $true )
      | ( ( subset @ SV283 @ SV349 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1787]) ).

thf(1963,plain,
    ! [SV350: $i,SV284: $i] :
      ( ( ( ~ ( subset @ SV284 @ SV350 ) )
        = $true )
      | ( ( ( set_difference @ SV284 @ SV350 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1788]) ).

thf(1964,plain,
    ! [SV351: $i,SV285: $i] :
      ( ( ( ~ ( subset @ SV285 @ SV351 )
          | ~ ( subset @ SV351 @ SV285 ) )
        = $true )
      | ( ( SV285 = SV351 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1789]) ).

thf(1965,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1790]) ).

thf(1966,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1791]) ).

thf(1967,plain,
    ! [SV125: $i] :
      ( ( ( ! [SY693: $i,SY694: $i] :
              ( ~ ( ~ ( ! [SY695: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY695 @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                          | ~ ( in @ SY695 @ SY693 ) )
                      | ~ ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ ( sK30_D @ SY694 @ SY693 @ SV125 ) ) @ SV125 )
                          | ~ ( in @ ( sK31_SY471 @ SY694 @ SY693 @ SV125 ) @ SY693 ) )
                      | ( in @ ( sK30_D @ SY694 @ SY693 @ SV125 ) @ SY694 ) ) )
              | ( SY694
                = ( relation_image @ SV125 @ SY693 ) ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1792]) ).

thf(1968,plain,
    ! [SV125: $i] :
      ( ( ( ! [SY696: $i,SY697: $i] :
              ( ( SY697
               != ( relation_image @ SV125 @ SY696 ) )
              | ~ ( ~ ! [SY698: $i] :
                        ( ! [SY699: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY699 @ SY698 ) @ SV125 )
                            | ~ ( in @ SY699 @ SY696 ) )
                        | ( in @ SY698 @ SY697 ) )
                  | ~ ! [SY700: $i] :
                        ( ~ ( in @ SY700 @ SY697 )
                        | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY700 ) @ SV125 )
                            | ~ ( in @ ( sK29_E @ SY700 @ SY697 @ SY696 @ SV125 ) @ SY696 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1793]) ).

thf(1969,plain,
    ! [SV352: $i,SV126: $i,SV397: $i] :
      ( ( ~ ( relation @ SV397 )
        | ~ ( in @ ( ordered_pair @ SV126 @ SV352 ) @ SV397 )
        | ( in @ SV126 @ ( relation_field @ SV397 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1794]) ).

thf(1970,plain,
    ! [SV353: $i,SV126: $i,SV398: $i] :
      ( ( ~ ( relation @ SV398 )
        | ~ ( in @ ( ordered_pair @ SV126 @ SV353 ) @ SV398 )
        | ( in @ SV353 @ ( relation_field @ SV398 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1795]) ).

thf(1971,plain,
    ! [SV228: $i,SV399: $i,SV127: $i] :
      ( ( ! [SY1018: $i] :
            ( ~ ( relation @ SY1018 )
            | ~ ( in @ SV127 @ SV399 )
            | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY1018 )
            | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SY1018 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1796]) ).

thf(1972,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ! [SY857: $i,SY858: $i] :
              ( ~ ( relation @ SY858 )
              | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY857 ) @ SY858 ) )
              | ( in @ SV127 @ SY857 ) )
        | ~ ! [SY859: $i,SY860: $i] :
              ( ~ ( relation @ SY860 )
              | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY859 ) @ SY860 ) )
              | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY860 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1797]) ).

thf(1973,plain,
    ! [SV354: $i,SV286: $i] :
      ( ( ( ~ ( in @ SV286 @ SV354 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV286 ) @ SV354 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1798]) ).

thf(1974,plain,
    ! [SV355: $i,SV287: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV287 ) @ SV355 ) )
        = $true )
      | ( ( in @ SV287 @ SV355 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1799]) ).

thf(1975,plain,
    ! [SV356: $i,SV400: $i,SV128: $i] :
      ( ( ~ ( in @ SV128 @ SV400 )
        | ~ ( in @ SV356 @ SV400 )
        | ( subset @ ( unordered_pair @ SV128 @ SV356 ) @ SV400 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1800]) ).

thf(1976,plain,
    ! [SV128: $i] :
      ( ( ~ ! [SY714: $i,SY715: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV128 @ SY714 ) @ SY715 )
              | ( in @ SV128 @ SY715 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1801]) ).

thf(1977,plain,
    ! [SV128: $i] :
      ( ( ~ ! [SY716: $i,SY717: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV128 @ SY716 ) @ SY717 )
              | ( in @ SY716 @ SY717 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1801]) ).

thf(1978,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1802]) ).

thf(1979,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( in @ SX1 @ SX0 )
              | ( element @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1803]) ).

thf(1980,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ( empty @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1804]) ).

thf(1981,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( empty @ SX1 )
              | ( element @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1805]) ).

thf(1982,plain,
    ! [SV129: $i] :
      ( ( ( ! [SY718: $i] :
              ( ~ ( ~ ( ! [SY719: $i] :
                          ~ ( in @ ( ordered_pair @ SY719 @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                      | ~ ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SY718 @ SV129 ) @ ( sK19_C @ SY718 @ SV129 ) ) @ SV129 )
                      | ( in @ ( sK19_C @ SY718 @ SV129 ) @ SY718 ) ) )
              | ( SY718
                = ( relation_rng @ SV129 ) ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1806]) ).

thf(1983,plain,
    ! [SV129: $i] :
      ( ( ( ! [SY720: $i] :
              ( ( SY720
               != ( relation_rng @ SV129 ) )
              | ~ ( ~ ! [SY721: $i] :
                        ( ! [SY722: $i] :
                            ~ ( in @ ( ordered_pair @ SY722 @ SY721 ) @ SV129 )
                        | ( in @ SY721 @ SY720 ) )
                  | ~ ! [SY723: $i] :
                        ( ~ ( in @ SY723 @ SY720 )
                        | ( in @ ( ordered_pair @ ( sK18_D @ SY723 @ SY720 @ SV129 ) @ SY723 ) @ SV129 ) ) ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1807]) ).

thf(1984,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1808]) ).

thf(1985,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1809]) ).

thf(1986,plain,
    ! [SV357: $i,SV288: $i] :
      ( ( ( ( ( set_difference @ SV288 @ ( singleton @ SV357 ) )
           != SV288 ) )
        = $true )
      | ( ( ~ ( in @ SV357 @ SV288 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1810]) ).

thf(1987,plain,
    ! [SV289: $i,SV358: $i] :
      ( ( ( in @ SV358 @ SV289 )
        = $true )
      | ( ( ( set_difference @ SV289 @ ( singleton @ SV358 ) )
          = SV289 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1811]) ).

thf(1988,plain,
    ! [SV359: $i,SV292: $i] :
      ( ( ( disjoint @ SV292 @ SV359 )
        = $true )
      | ( ( in @ ( sK71_C @ SV359 @ SV292 ) @ ( set_intersection2 @ SV292 @ SV359 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1812]) ).

thf(1989,plain,
    ! [SV360: $i,SV293: $i] :
      ( ( ( ! [SY978: $i] :
              ~ ( in @ SY978 @ ( set_intersection2 @ SV293 @ SV360 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV293 @ SV360 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1813]) ).

thf(1990,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV130 )
        = $true )
      | ( ( element @ SV130 @ ( powerset @ SV229 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1814]) ).

thf(1991,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ( ~ ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV229 ) )
        = $true )
      | ( ( element @ SV130 @ ( powerset @ SV229 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1815]) ).

thf(1992,plain,
    ! [SV131: $i] :
      ( ( ( ! [SY725: $i,SY726: $i] :
              ( ~ ( ~ ( ! [SY727: $i] :
                          ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY727 ) @ SV131 )
                          | ~ ( in @ SY727 @ SY725 ) )
                      | ~ ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) ) @ SV131 )
                          | ~ ( in @ ( sK28_SY469 @ SY726 @ SY725 @ SV131 ) @ SY725 ) )
                      | ( in @ ( sK27_D @ SY726 @ SY725 @ SV131 ) @ SY726 ) ) )
              | ( SY726
                = ( relation_inverse_image @ SV131 @ SY725 ) ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1816]) ).

thf(1993,plain,
    ! [SV131: $i] :
      ( ( ( ! [SY728: $i,SY729: $i] :
              ( ( SY729
               != ( relation_inverse_image @ SV131 @ SY728 ) )
              | ~ ( ~ ! [SY730: $i] :
                        ( ! [SY731: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY730 @ SY731 ) @ SV131 )
                            | ~ ( in @ SY731 @ SY728 ) )
                        | ( in @ SY730 @ SY729 ) )
                  | ~ ! [SY732: $i] :
                        ( ~ ( in @ SY732 @ SY729 )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY732 @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) ) @ SV131 )
                            | ~ ( in @ ( sK26_E @ SY732 @ SY729 @ SY728 @ SV131 ) @ SY728 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1817]) ).

thf(1994,plain,
    ! [SV361: $i,SV294: $i] :
      ( ( ( ( ( set_difference @ SV294 @ SV361 )
           != SV294 ) )
        = $true )
      | ( ( disjoint @ SV294 @ SV361 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1818]) ).

thf(1995,plain,
    ! [SV362: $i,SV295: $i] :
      ( ( ( ~ ( disjoint @ SV295 @ SV362 ) )
        = $true )
      | ( ( ( set_difference @ SV295 @ SV362 )
          = SV295 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1819]) ).

thf(1996,plain,
    ! [SV296: $i] :
      ( ( ( ~ ! [SY931: $i,SY932: $i] :
                ( ( sK68_B @ SV296 )
               != ( ordered_pair @ SY931 @ SY932 ) )
          | ~ ( in @ ( sK68_B @ SV296 ) @ SV296 ) )
        = $false )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1820]) ).

thf(1997,plain,
    ! [SV297: $i] :
      ( ( ( relation @ SV297 )
        = $false )
      | ( ( ! [SY933: $i] :
              ( ( SY933
                = ( ordered_pair @ ( sK66_C @ SY933 @ SV297 ) @ ( sK67_SY497 @ SY933 @ SV297 ) ) )
              | ~ ( in @ SY933 @ SV297 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1821]) ).

thf(1998,plain,
    ! [SV363: $i,SV132: $i,SV401: $i] :
      ( ( ~ ( relation @ SV401 )
        | ~ ( in @ SV132 @ SV363 )
        | ~ ( in @ SV132 @ ( relation_dom @ SV401 ) )
        | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV401 @ SV363 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1822]) ).

thf(1999,plain,
    ! [SV132: $i] :
      ( ( ~ ! [SY735: $i,SY736: $i] :
              ( ~ ( relation @ SY736 )
              | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY736 @ SY735 ) ) )
              | ( in @ SV132 @ SY735 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1823]) ).

thf(2000,plain,
    ! [SV132: $i] :
      ( ( ~ ! [SY737: $i,SY738: $i] :
              ( ~ ( relation @ SY738 )
              | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY738 @ SY737 ) ) )
              | ( in @ SV132 @ ( relation_dom @ SY738 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1823]) ).

thf(2001,plain,
    ! [SV364: $i,SV133: $i,SV402: $i] :
      ( ( ~ ( relation @ SV402 )
        | ~ ( in @ ( ordered_pair @ SV133 @ SV364 ) @ SV402 )
        | ( in @ SV133 @ ( relation_dom @ SV402 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1824]) ).

thf(2002,plain,
    ! [SV365: $i,SV133: $i,SV403: $i] :
      ( ( ~ ( relation @ SV403 )
        | ~ ( in @ ( ordered_pair @ SV133 @ SV365 ) @ SV403 )
        | ( in @ SV365 @ ( relation_rng @ SV403 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1825]) ).

thf(2003,plain,
    ! [SV134: $i] :
      ( ( ( ! [SY743: $i] :
              ( ~ ( ~ ( ! [SY744: $i] :
                          ~ ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ SY744 ) @ SV134 )
                      | ~ ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SY743 @ SV134 ) @ ( sK23_SY466 @ SY743 @ SV134 ) ) @ SV134 )
                      | ( in @ ( sK22_C @ SY743 @ SV134 ) @ SY743 ) ) )
              | ( SY743
                = ( relation_dom @ SV134 ) ) ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1826]) ).

thf(2004,plain,
    ! [SV134: $i] :
      ( ( ( ! [SY745: $i] :
              ( ( SY745
               != ( relation_dom @ SV134 ) )
              | ~ ( ~ ! [SY746: $i] :
                        ( ! [SY747: $i] :
                            ~ ( in @ ( ordered_pair @ SY746 @ SY747 ) @ SV134 )
                        | ( in @ SY746 @ SY745 ) )
                  | ~ ! [SY748: $i] :
                        ( ~ ( in @ SY748 @ SY745 )
                        | ( in @ ( ordered_pair @ SY748 @ ( sK21_D @ SY748 @ SY745 @ SV134 ) ) @ SV134 ) ) ) ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1827]) ).

thf(2005,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                      | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                       != SV135 ) )
                  | ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                      | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                       != SV366 ) ) )
            | ~ ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                  = SV135 )
                | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                  = SV366 ) ) )
        | ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1828]) ).

thf(2006,plain,
    ! [SV367: $i,SV135: $i,SV405: $i] :
      ( ( ( SV405
         != ( unordered_pair @ SV135 @ SV367 ) )
        | ~ ( ~ ! [SY1019: $i] :
                  ( ~ ( in @ SY1019 @ SV405 )
                  | ( SY1019 = SV135 )
                  | ( SY1019 = SV367 ) )
            | ~ ~ ( ~ ! [SY1020: $i] :
                        ( ( SY1020 != SV135 )
                        | ( in @ SY1020 @ SV405 ) )
                  | ~ ! [SY1021: $i] :
                        ( ( SY1021 != SV367 )
                        | ( in @ SY1021 @ SV405 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1829]) ).

thf(2007,plain,
    ! [SV136: $i] :
      ( ( ( ! [SY756: $i] :
              ( ~ ( relation @ SY756 )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                      | ~ ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SV136 )
                      | ( in @ ( ordered_pair @ ( sK58_C @ SY756 @ SV136 ) @ ( sK59_SY494 @ SY756 @ SV136 ) ) @ SY756 ) ) )
              | ( SV136 = SY756 ) ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1830]) ).

thf(2008,plain,
    ! [SV136: $i] :
      ( ( ( ! [SY757: $i] :
              ( ~ ( relation @ SY757 )
              | ( SV136 != SY757 )
              | ~ ( ~ ! [SY758: $i,SY759: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SV136 )
                        | ( in @ ( ordered_pair @ SY758 @ SY759 ) @ SY757 ) )
                  | ~ ! [SY760: $i,SY761: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SY757 )
                        | ( in @ ( ordered_pair @ SY760 @ SY761 ) @ SV136 ) ) ) ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1831]) ).

thf(2009,plain,
    ! [SV368: $i,SV298: $i] :
      ( ( ( ~ ( function @ SV298 )
          | ~ ( relation @ SV298 )
          | ~ ( relation @ SV368 )
          | ~ ( function @ SV368 ) )
        = $true )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1832]) ).

thf(2010,plain,
    ! [SV369: $i,SV299: $i] :
      ( ( ( ~ ( function @ SV299 )
          | ~ ( relation @ SV299 )
          | ~ ( relation @ SV369 )
          | ~ ( function @ SV369 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1833]) ).

thf(2011,plain,
    ! [SV137: $i,SV230: $i] :
      ( ( ( relation @ SV230 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( ~ ( ~ ! [SY861: $i] :
                    ( ~ ( function @ SY861 )
                    | ~ ( relation @ SY861 )
                    | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
                    | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
                    | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) )
              | ~ ~ ( ~ ! [SY862: $i] :
                          ( ~ ( function @ SY862 )
                          | ~ ( relation @ SY862 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                          | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
                    | ~ ! [SY863: $i] :
                          ( ~ ( function @ SY863 )
                          | ~ ( relation @ SY863 )
                          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                          | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1834]) ).

thf(2012,plain,
    ! [SV138: $i,SV370: $i] :
      ( ( ( ~ ( subset @ SV370 @ ( sK41_B @ SV138 ) )
          | ( are_equipotent @ SV370 @ ( sK41_B @ SV138 ) ) )
        = $true )
      | ( ( in @ SV370 @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1835]) ).

thf(2013,plain,
    ! [SV138: $i] :
      ( ( ~ ! [SY767: $i] :
              ( ~ ( in @ SY767 @ ( sK41_B @ SV138 ) )
              | ( in @ ( powerset @ SY767 ) @ ( sK41_B @ SV138 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(2014,plain,
    ! [SV138: $i] :
      ( ( ~ ~ ( ~ ! [SY768: $i,SY769: $i] :
                    ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
                    | ~ ( subset @ SY769 @ SY768 )
                    | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
              | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(2015,plain,
    ! [SV139: $i] :
      ( ( ( ! [SY770: $i] :
              ( ~ ( relation @ SY770 )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SV139 )
                  | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SY770 @ SV139 ) @ ( sK25_SY467 @ SY770 @ SV139 ) ) @ SY770 ) )
              | ( subset @ SV139 @ SY770 ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1837]) ).

thf(2016,plain,
    ! [SV139: $i] :
      ( ( ( ! [SY771: $i] :
              ( ~ ( relation @ SY771 )
              | ~ ( subset @ SV139 @ SY771 )
              | ! [SY772: $i,SY773: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SV139 )
                  | ( in @ ( ordered_pair @ SY772 @ SY773 ) @ SY771 ) ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1838]) ).

thf(2017,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
                  | ~ ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) )
              | ~ ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
                  | ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) ) ) )
        = $true )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1839]) ).

thf(2018,plain,
    ! [SV301: $i,SV372: $i] :
      ( ( ( ( SV372
           != ( powerset @ SV301 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY987: $i] :
                    ( ~ ( in @ SY987 @ SV372 )
                    | ( subset @ SY987 @ SV301 ) )
              | ~ ! [SY988: $i] :
                    ( ~ ( subset @ SY988 @ SV301 )
                    | ( in @ SY988 @ SV372 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1840]) ).

thf(2019,plain,
    ! [SV373: $i,SV302: $i] :
      ( ( ( ~ ( empty @ SV302 )
          | ~ ( relation @ SV373 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV302 @ SV373 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1841]) ).

thf(2020,plain,
    ! [SV374: $i,SV303: $i] :
      ( ( ( ~ ( empty @ SV303 )
          | ~ ( relation @ SV374 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV303 @ SV374 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1842]) ).

thf(2021,plain,
    ! [SV140: $i] :
      ( ( ( ! [SY774: $i] :
              ( ~ ( relation @ SY774 )
              | ~ ( subset @ SV140 @ SY774 )
              | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SY774 ) ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1843]) ).

thf(2022,plain,
    ! [SV140: $i] :
      ( ( ( ! [SY775: $i] :
              ( ~ ( relation @ SY775 )
              | ~ ( subset @ SV140 @ SY775 )
              | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SY775 ) ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1844]) ).

thf(2023,plain,
    ! [SV141: $i] :
      ( ( ( empty @ ( sK8_B @ SV141 ) )
        = $false )
      | ( ( empty @ SV141 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1846]) ).

thf(2024,plain,
    ! [SV375: $i,SV142: $i,SV406: $i] :
      ( ( ~ ( relation @ SV406 )
        | ! [SY1022: $i] :
            ( ~ ( in @ SY1022 @ ( relation_rng @ SV406 ) )
            | ~ ( in @ ( ordered_pair @ SV142 @ SY1022 ) @ SV406 )
            | ~ ( in @ SY1022 @ SV375 ) )
        | ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1847]) ).

thf(2025,plain,
    ! [SV376: $i,SV142: $i,SV407: $i] :
      ( ( ~ ( relation @ SV407 )
        | ~ ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
                  | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
            | ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1848]) ).

thf(2026,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 = empty_set )
          | ! [SX1: $i] :
              ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ ( sK65_SY495 @ SX1 @ SX0 ) ) )
                      | ~ ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) )
                  | ~ ( ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX0 )
                          | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX2 ) )
                      | ( in @ ( sK64_C @ SX1 @ SX0 ) @ SX1 ) ) )
              | ( SX1
                = ( set_meet @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1849]) ).

thf(2027,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 = empty_set )
          | ! [SX1: $i] :
              ( ( SX1
               != ( set_meet @ SX0 ) )
              | ~ ( ~ ! [SX2: $i] :
                        ( ~ ( ~ ( in @ ( sK63_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ SX2 @ ( sK63_D @ SX2 @ SX1 @ SX0 ) ) )
                        | ( in @ SX2 @ SX1 ) )
                  | ~ ! [SX2: $i] :
                        ( ~ ( in @ SX2 @ SX1 )
                        | ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX0 )
                            | ( in @ SX2 @ SX3 ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1850]) ).

thf(2028,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ( ( SX1
               != ( set_meet @ SX0 ) )
              | ( SX1 = empty_set ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1851]) ).

thf(2029,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ( ( SX1 != empty_set )
              | ( SX1
                = ( set_meet @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1852]) ).

thf(2030,plain,
    ! [SV304: $i] :
      ( ( ( relation @ SV304 )
        = $false )
      | ( ( ( relation_rng @ SV304 )
          = ( relation_dom @ ( relation_inverse @ SV304 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1853]) ).

thf(2031,plain,
    ! [SV305: $i] :
      ( ( ( relation @ SV305 )
        = $false )
      | ( ( ( relation_dom @ SV305 )
          = ( relation_rng @ ( relation_inverse @ SV305 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1854]) ).

thf(2032,plain,
    ! [SV377: $i,SV308: $i] :
      ( ( ( ( SV308 = SV377 )
          | ~ ( subset @ SV308 @ SV377 ) )
        = $true )
      | ( ( proper_subset @ SV308 @ SV377 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1855]) ).

thf(2033,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( SX0 != SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1856]) ).

thf(2034,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1857]) ).

thf(2035,plain,
    ! [SV231: $i,SV408: $i,SV143: $i] :
      ( ( ! [SY1023: $i] :
            ( ~ ( in @ SV143 @ SV408 )
            | ~ ( in @ SV231 @ SY1023 )
            | ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV408 @ SY1023 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1858]) ).

thf(2036,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ! [SY866: $i] :
              ( ! [SY867: $i] :
                  ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY866 @ SY867 ) )
              | ( in @ SV143 @ SY866 ) )
        | ~ ! [SY868: $i,SY869: $i] :
              ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY868 @ SY869 ) )
              | ( in @ SV231 @ SY869 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1859]) ).

thf(2037,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                      | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
                  | ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                      | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
            | ~ ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
                | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
        | ( SV409
          = ( set_union2 @ SV144 @ SV378 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1860]) ).

thf(2038,plain,
    ! [SV379: $i,SV144: $i,SV410: $i] :
      ( ( ( SV410
         != ( set_union2 @ SV144 @ SV379 ) )
        | ~ ( ~ ! [SY1024: $i] :
                  ( ~ ( in @ SY1024 @ SV410 )
                  | ( in @ SY1024 @ SV144 )
                  | ( in @ SY1024 @ SV379 ) )
            | ~ ~ ( ~ ! [SY1025: $i] :
                        ( ~ ( in @ SY1025 @ SV144 )
                        | ( in @ SY1025 @ SV410 ) )
                  | ~ ! [SY1026: $i] :
                        ( ~ ( in @ SY1026 @ SV379 )
                        | ( in @ SY1026 @ SV410 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1861]) ).

thf(2039,plain,
    ! [SV309: $i] :
      ( ( ( empty @ SV309 )
        = $false )
      | ( ( empty @ ( relation_dom @ SV309 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1862]) ).

thf(2040,plain,
    ! [SV310: $i] :
      ( ( ( empty @ SV310 )
        = $false )
      | ( ( relation @ ( relation_dom @ SV310 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1863]) ).

thf(2041,plain,
    ! [SV380: $i,SV145: $i,SV411: $i] :
      ( ( ~ ( relation @ SV411 )
        | ! [SY1027: $i] :
            ( ~ ( in @ SY1027 @ ( relation_dom @ SV411 ) )
            | ~ ( in @ ( ordered_pair @ SY1027 @ SV145 ) @ SV411 )
            | ~ ( in @ SY1027 @ SV380 ) )
        | ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1864]) ).

thf(2042,plain,
    ! [SV381: $i,SV145: $i,SV412: $i] :
      ( ( ~ ( relation @ SV412 )
        | ~ ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
            | ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1865]) ).

thf(2043,plain,
    ! [SV382: $i,SV146: $i] :
      ( ( ( ~ ( subset @ SV146 @ SV382 ) )
        = $true )
      | ( ( ! [SY1000: $i] : ( subset @ ( cartesian_product2 @ SV146 @ SY1000 ) @ ( cartesian_product2 @ SV382 @ SY1000 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1866]) ).

thf(2044,plain,
    ! [SV383: $i,SV146: $i] :
      ( ( ( ~ ( subset @ SV146 @ SV383 ) )
        = $true )
      | ( ( ! [SY1001: $i] : ( subset @ ( cartesian_product2 @ SY1001 @ SV146 ) @ ( cartesian_product2 @ SY1001 @ SV383 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1867]) ).

thf(2045,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
          | ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) )
        = $true )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1868]) ).

thf(2046,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
          | ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) )
        = $true )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1869]) ).

thf(2047,plain,
    ! [SV384: $i,SV311: $i] :
      ( ( ( ~ ( subset @ SV311 @ ( singleton @ SV384 ) ) )
        = $true )
      | ( ( ( SV311 = empty_set )
          | ( SV311
            = ( singleton @ SV384 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1870]) ).

thf(2048,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1871]) ).

thf(2049,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1872]) ).

thf(2050,plain,
    ! [SV413: $i,SV233: $i,SV148: $i] :
      ( ( ! [SY1028: $i] :
            ( ( ordered_pair @ SV148 @ SV233 )
           != ( ordered_pair @ SV413 @ SY1028 ) )
        | ( SV148 = SV413 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1873]) ).

thf(2051,plain,
    ! [SV414: $i,SV233: $i,SV148: $i] :
      ( ( ! [SY1029: $i] :
            ( ( ( ordered_pair @ SV148 @ SV233 )
             != ( ordered_pair @ SV414 @ SY1029 ) )
            | ( SV233 = SY1029 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1874]) ).

thf(2052,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV312 )
              | ~ ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV385 ) ) )
        = $true )
      | ( ( subset @ SV312 @ SV385 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1875]) ).

thf(2053,plain,
    ! [SV386: $i,SV313: $i] :
      ( ( ( ~ ( subset @ SV313 @ SV386 ) )
        = $true )
      | ( ( ! [SY1002: $i] :
              ( ~ ( in @ SY1002 @ SV313 )
              | ( in @ SY1002 @ SV386 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1876]) ).

thf(2054,plain,
    ! [SV314: $i] :
      ( ( ( relation @ SV314 )
        = $false )
      | ( ( ( ( relation_dom @ SV314 )
           != empty_set )
          | ( SV314 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1877]) ).

thf(2055,plain,
    ! [SV315: $i] :
      ( ( ( relation @ SV315 )
        = $false )
      | ( ( ( ( relation_rng @ SV315 )
           != empty_set )
          | ( SV315 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1878]) ).

thf(2056,plain,
    ! [SV316: $i] :
      ( ( ( empty @ SV316 )
        = $false )
      | ( ( empty @ ( relation_rng @ SV316 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1879]) ).

thf(2057,plain,
    ! [SV317: $i] :
      ( ( ( empty @ SV317 )
        = $false )
      | ( ( relation @ ( relation_rng @ SV317 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1880]) ).

thf(2058,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
                | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
                | ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
            | ~ ~ ( ~ ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
                      | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
                  | ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
                      | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) ) )
        | ( SV415
          = ( set_difference @ SV149 @ SV387 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1881]) ).

thf(2059,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( SV416
         != ( set_difference @ SV149 @ SV388 ) )
        | ~ ( ~ ! [SY1030: $i] :
                  ( ~ ( in @ SY1030 @ SV149 )
                  | ( in @ SY1030 @ SV388 )
                  | ( in @ SY1030 @ SV416 ) )
            | ~ ~ ( ~ ! [SY1031: $i] :
                        ( ~ ( in @ SY1031 @ SV416 )
                        | ( in @ SY1031 @ SV149 ) )
                  | ~ ! [SY1032: $i] :
                        ( ~ ( in @ SY1032 @ SV416 )
                        | ~ ( in @ SY1032 @ SV388 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1882]) ).

thf(2060,plain,
    ! [SV4: $i,SV153: $i,SV318: $i] :
      ( ( ( in @ SV318 @ SV153 )
        = $false )
      | ( ( in @ SV318 @ SV4 )
        = $true )
      | ( ( element @ SV153 @ ( powerset @ SV4 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1883]) ).

thf(2061,plain,
    ! [SV234: $i,SV160: $i,SV12: $i] :
      ( ( ( in @ SV12 @ SV160 )
        = $false )
      | ( ( element @ SV160 @ ( powerset @ SV234 ) )
        = $false )
      | ( ( element @ SV12 @ SV234 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1884]) ).

thf(2062,plain,
    ! [SV250: $i,SV235: $i,SV163: $i,SV16: $i] :
      ( ( ( ( unordered_pair @ SV16 @ SV163 )
          = ( unordered_pair @ SV235 @ SV250 ) )
        = $false )
      | ( ( SV16 = SV235 )
        = $true )
      | ( ( SV16 = SV250 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1886]) ).

thf(2063,plain,
    ! [SV251: $i,SV236: $i,SV168: $i,SV21: $i] :
      ( ( ( subset @ SV21 @ SV168 )
        = $false )
      | ( ( ~ ( subset @ SV236 @ SV251 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV21 @ SV236 ) @ ( cartesian_product2 @ SV168 @ SV251 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1887]) ).

thf(2064,plain,
    ! [SV173: $i,SV27: $i] :
      ( ( ( subset @ SV27 @ ( relation_rng @ SV173 ) )
        = $false )
      | ( ( SV27 = empty_set )
        = $true )
      | ( ( ( ( relation_inverse_image @ SV173 @ SV27 )
           != empty_set ) )
        = $true )
      | ( ( relation @ SV173 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1888]) ).

thf(2065,plain,
    ! [SV237: $i,SV174: $i,SV28: $i] :
      ( ( ( subset @ SV28 @ SV174 )
        = $false )
      | ( ( subset @ ( relation_inverse_image @ SV237 @ SV28 ) @ ( relation_inverse_image @ SV237 @ SV174 ) )
        = $true )
      | ( ( relation @ SV237 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1889]) ).

thf(2066,plain,
    ! [SV176: $i,SV238: $i,SV30: $i] :
      ( ( ( subset @ SV30 @ SV238 )
        = $false )
      | ( ( subset @ SV30 @ SV176 )
        = $false )
      | ( ( subset @ SV30 @ ( set_intersection2 @ SV176 @ SV238 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1890]) ).

thf(2067,plain,
    ! [SV31: $i,SV239: $i,SV177: $i] :
      ( ( ( subset @ SV177 @ SV239 )
        = $false )
      | ( ( subset @ SV31 @ SV177 )
        = $false )
      | ( ( subset @ SV31 @ SV239 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1891]) ).

thf(2068,plain,
    ! [SV178: $i,SV33: $i,SV417: $i] :
      ( ( ( ~ ( function @ SV417 )
          | ~ ( relation @ SV417 )
          | ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SV417 @ SV178 ) ) )
          | ( ( apply @ ( relation_composition @ SV417 @ SV178 ) @ SV33 )
            = ( apply @ SV178 @ ( apply @ SV417 @ SV33 ) ) ) )
        = $true )
      | ( ( function @ SV178 )
        = $false )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1892]) ).

thf(2069,plain,
    ! [SV179: $i,SV34: $i,SV418: $i] :
      ( ( ( ~ ( function @ SV418 )
          | ~ ( relation @ SV418 )
          | ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
          | ( ( apply @ ( relation_composition @ SV179 @ SV418 ) @ SV34 )
            = ( apply @ SV418 @ ( apply @ SV179 @ SV34 ) ) ) )
        = $true )
      | ( ( function @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1893]) ).

thf(2070,plain,
    ! [SV254: $i,SV46: $i] :
      ( ( ( ~ ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SV254 ) ) )
        = $true )
      | ( ( ( relation_dom @ ( relation_composition @ SV46 @ SV254 ) )
          = ( relation_dom @ SV46 ) )
        = $true )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV46 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1896]) ).

thf(2071,plain,
    ! [SV255: $i,SV48: $i] :
      ( ( ( ~ ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SV255 ) ) )
        = $true )
      | ( ( ( relation_rng @ ( relation_composition @ SV255 @ SV48 ) )
          = ( relation_rng @ SV48 ) )
        = $true )
      | ( ( relation @ SV255 )
        = $false )
      | ( ( relation @ SV48 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1898]) ).

thf(2072,plain,
    ! [SV240: $i,SV50: $i,SV389: $i] :
      ( ( ( ~ ( element @ SV389 @ SV50 ) )
        = $true )
      | ( ( ( in @ SV389 @ SV240 )
          | ( in @ SV389 @ ( subset_complement @ SV50 @ SV240 ) ) )
        = $true )
      | ( ( element @ SV240 @ ( powerset @ SV50 ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1899]) ).

thf(2073,plain,
    ! [SV241: $i,SV51: $i,SV189: $i] :
      ( ( ( in @ SV189 @ ( subset_complement @ SV51 @ SV241 ) )
        = $false )
      | ( ( ~ ( in @ SV189 @ SV241 ) )
        = $true )
      | ( ( element @ SV241 @ ( powerset @ SV51 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1900]) ).

thf(2074,plain,
    ! [SV242: $i,SV191: $i,SV54: $i] :
      ( ( ( subset @ SV54 @ SV191 )
        = $false )
      | ( ( disjoint @ SV191 @ SV242 )
        = $false )
      | ( ( disjoint @ SV54 @ SV242 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1901]) ).

thf(2075,plain,
    ! [SV59: $i,SV195: $i,SV243: $i] :
      ( ( ( subset @ SV243 @ SV195 )
        = $false )
      | ( ( subset @ SV59 @ SV195 )
        = $false )
      | ( ( subset @ ( set_union2 @ SV59 @ SV243 ) @ SV195 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1902]) ).

thf(2076,plain,
    ! [SV209: $i,SV79: $i,SV245: $i] :
      ( ( ( element @ SV245 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( element @ SV209 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV79 @ SV209 @ SV245 ) @ ( powerset @ SV79 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1904]) ).

thf(2077,plain,
    ! [SV221: $i,SV102: $i,SV248: $i] :
      ( ( ( element @ SV248 @ ( powerset @ SV102 ) )
        = $false )
      | ( ( element @ SV221 @ ( powerset @ SV102 ) )
        = $false )
      | ( ( ( subset_difference @ SV102 @ SV221 @ SV248 )
          = ( set_difference @ SV221 @ SV248 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1907]) ).

thf(2078,plain,
    ! [SV249: $i,SV223: $i,SV109: $i] :
      ( ( ( in @ SV109 @ SV223 )
        = $false )
      | ( ( element @ SV223 @ ( powerset @ SV249 ) )
        = $false )
      | ( ( ~ ( empty @ SV249 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1908]) ).

thf(2079,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
                  | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
                  | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
              | ~ ~ ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
                        | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
                    | ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
                        | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) ) ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1910]) ).

thf(2080,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( ( SV391
           != ( set_intersection2 @ SV112 @ SV323 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1008: $i] :
                    ( ~ ( in @ SY1008 @ SV112 )
                    | ~ ( in @ SY1008 @ SV323 )
                    | ( in @ SY1008 @ SV391 ) )
              | ~ ~ ( ~ ! [SY1009: $i] :
                          ( ~ ( in @ SY1009 @ SV391 )
                          | ( in @ SY1009 @ SV112 ) )
                    | ~ ! [SY1010: $i] :
                          ( ~ ( in @ SY1010 @ SV391 )
                          | ( in @ SY1010 @ SV323 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1911]) ).

thf(2081,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( ! [SY952: $i] :
                  ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SY952 )
                  | ~ ( in @ SY952 @ SV258 ) )
              | ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
          | ~ ( ~ ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
                  | ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) )
              | ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) ) )
        = $false )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1912]) ).

thf(2082,plain,
    ! [SV259: $i,SV325: $i] :
      ( ( ( SV325
          = ( union @ SV259 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY953: $i] :
                    ( ! [SY881: $i] :
                        ( ~ ( in @ SY953 @ SY881 )
                        | ~ ( in @ SY881 @ SV259 ) )
                    | ( in @ SY953 @ SV325 ) )
              | ~ ! [SY955: $i] :
                    ( ~ ( in @ SY955 @ SV325 )
                    | ~ ( ~ ( in @ SY955 @ ( sK46_D @ SY955 @ SV325 @ SV259 ) )
                        | ~ ( in @ ( sK46_D @ SY955 @ SV325 @ SV259 ) @ SV259 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1913]) ).

thf(2083,plain,
    ! [SV113: $i,SV225: $i] :
      ( ( ( ! [SY839: $i] :
              ( ~ ( relation @ SY839 )
              | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                      | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                      | ~ ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) @ SV113 )
                            | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SV225 )
                            | ( in @ ( ordered_pair @ ( sK32_D @ SY839 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SY839 @ SV225 @ SV113 ) ) @ SY839 ) ) ) )
              | ( SY839
                = ( relation_rng_restriction @ SV113 @ SV225 ) ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1914]) ).

thf(2084,plain,
    ! [SV225: $i,SV113: $i] :
      ( ( ( ! [SY840: $i] :
              ( ~ ( relation @ SY840 )
              | ( SY840
               != ( relation_rng_restriction @ SV113 @ SV225 ) )
              | ~ ( ~ ! [SY841: $i,SY842: $i] :
                        ( ~ ( in @ SY842 @ SV113 )
                        | ~ ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SV225 )
                        | ( in @ ( ordered_pair @ SY841 @ SY842 ) @ SY840 ) )
                  | ~ ~ ( ~ ! [SY619: $i,SY620: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY619 @ SY620 ) @ SY840 )
                              | ( in @ SY620 @ SV113 ) )
                        | ~ ! [SY845: $i,SY846: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SY840 )
                              | ( in @ ( ordered_pair @ SY845 @ SY846 ) @ SV225 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1915]) ).

thf(2085,plain,
    ! [SV326: $i,SV260: $i] :
      ( ( ( ~ ( empty @ SV260 ) )
        = $true )
      | ( ( ~ ( relation @ SV326 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV326 @ SV260 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1916]) ).

thf(2086,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ( ~ ( empty @ SV261 ) )
        = $true )
      | ( ( ~ ( relation @ SV327 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV327 @ SV261 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1917]) ).

thf(2087,plain,
    ! [SV419: $i,SV226: $i,SV392: $i,SV114: $i] :
      ( ( ~ ( in @ SV114 @ SV392 )
        | ~ ( in @ SV226 @ SV419 )
        | ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV392 @ SV419 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1918]) ).

thf(2088,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ! [SY849: $i] :
              ( ! [SY850: $i] :
                  ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY849 @ SY850 ) )
              | ( in @ SV114 @ SY849 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1919]) ).

thf(2089,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ~ ! [SY851: $i,SY852: $i] :
              ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY851 @ SY852 ) )
              | ( in @ SV226 @ SY852 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1919]) ).

thf(2090,plain,
    ! [SV262: $i,SV328: $i] :
      ( ( ( ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV262 )
          | ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV328 ) )
        = $false )
      | ( ( disjoint @ SV262 @ SV328 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1920]) ).

thf(2091,plain,
    ! [SV329: $i,SV263: $i,SV420: $i] :
      ( ( ( ~ ( in @ SV420 @ SV263 )
          | ~ ( in @ SV420 @ SV329 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV263 @ SV329 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1921]) ).

thf(2092,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ~ ( ( ( sK62_C @ SV330 @ SV264 )
               != SV264 )
              | ~ ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) )
          | ~ ( ( ( sK62_C @ SV330 @ SV264 )
                = SV264 )
              | ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) ) )
        = $false )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1922]) ).

thf(2093,plain,
    ! [SV265: $i,SV331: $i] :
      ( ( ( SV331
          = ( singleton @ SV265 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY957: $i] :
                    ( ( SY957 != SV265 )
                    | ( in @ SY957 @ SV331 ) )
              | ~ ! [SY958: $i] :
                    ( ~ ( in @ SY958 @ SV331 )
                    | ( SY958 = SV265 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1923]) ).

thf(2094,plain,
    ! [SV267: $i,SV421: $i] :
      ( ( ( ~ ( in @ SV421 @ SV267 ) )
        = $true )
      | ( ( SV267 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1924]) ).

thf(2095,plain,
    ! [SV115: $i,SV332: $i] :
      ( ( ( ~ ( subset @ SV332 @ ( sK42_B @ SV115 ) ) )
        = $true )
      | ( ( are_equipotent @ SV332 @ ( sK42_B @ SV115 ) )
        = $true )
      | ( ( in @ SV332 @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1925]) ).

thf(2096,plain,
    ! [SV115: $i] :
      ( ( ! [SY631: $i] :
            ( ~ ( ~ ! [SY632: $i] :
                      ( ~ ( subset @ SY632 @ SY631 )
                      | ( in @ SY632 @ ( sK43_SY481 @ SY631 @ SV115 ) ) )
                | ~ ( in @ ( sK43_SY481 @ SY631 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
            | ~ ( in @ SY631 @ ( sK42_B @ SV115 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1926]) ).

thf(2097,plain,
    ! [SV115: $i] :
      ( ( ~ ( ~ ! [SY633: $i,SY634: $i] :
                  ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
                  | ~ ( subset @ SY634 @ SY633 )
                  | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
            | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1927]) ).

thf(2098,plain,
    ! [SV333: $i,SV268: $i] :
      ( ( ( subset @ SV268 @ ( singleton @ SV333 ) )
        = $false )
      | ( ( ( SV268 = empty_set )
          | ( SV268
            = ( singleton @ SV333 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1928]) ).

thf(2099,plain,
    ! [SV422: $i] :
      ( ( ( SV422 != empty_set )
        | ! [SY1033: $i] : ( subset @ SV422 @ ( singleton @ SY1033 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1929]) ).

thf(2100,plain,
    ! [SV423: $i] :
      ( ( ! [SY1034: $i] :
            ( ( SV423
             != ( singleton @ SY1034 ) )
            | ( subset @ SV423 @ ( singleton @ SY1034 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1930]) ).

thf(2101,plain,
    ! [SV116: $i] :
      ( ( ( ~ ~ ( ~ ! [SY635: $i] :
                      ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                      | ! [SY636: $i] :
                          ( ( SY636
                           != ( apply @ SV116 @ SY635 ) )
                          | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
                | ~ ! [SY637: $i] :
                      ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                      | ! [SY638: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                          | ( SY638
                            = ( apply @ SV116 @ SY637 ) ) ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1931]) ).

thf(2102,plain,
    ! [SV116: $i] :
      ( ( ( ~ ~ ( ~ ! [SY639: $i] :
                      ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                      | ! [SY640: $i] :
                          ( ( SY640
                           != ( apply @ SV116 @ SY639 ) )
                          | ( SY640 = empty_set ) ) )
                | ~ ! [SY641: $i] :
                      ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                      | ! [SY642: $i] :
                          ( ( SY642 != empty_set )
                          | ( SY642
                            = ( apply @ SV116 @ SY641 ) ) ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1931]) ).

thf(2103,plain,
    ! [SV393: $i,SV334: $i,SV117: $i] :
      ( ( ( ~ ( ~ ( ! [SY1012: $i,SY1013: $i] :
                      ( ~ ( in @ SY1012 @ SV117 )
                      | ~ ( in @ SY1013 @ SV334 )
                      | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                       != ( ordered_pair @ SY1012 @ SY1013 ) ) )
                  | ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
              | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                            | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
                      | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                       != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) )
                  | ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) ) ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1932]) ).

thf(2104,plain,
    ! [SV335: $i,SV117: $i,SV394: $i] :
      ( ( ( ( SV394
           != ( cartesian_product2 @ SV117 @ SV335 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1014: $i] :
                    ( ! [SY964: $i,SY965: $i] :
                        ( ~ ( in @ SY964 @ SV117 )
                        | ~ ( in @ SY965 @ SV335 )
                        | ( SY1014
                         != ( ordered_pair @ SY964 @ SY965 ) ) )
                    | ( in @ SY1014 @ SV394 ) )
              | ~ ! [SY1017: $i] :
                    ( ~ ( in @ SY1017 @ SV394 )
                    | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                              | ~ ( in @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
                        | ( SY1017
                         != ( ordered_pair @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1933]) ).

thf(2105,plain,
    ! [SV336: $i,SV269: $i] :
      ( ( ( ( set_difference @ SV269 @ SV336 )
          = empty_set )
        = $false )
      | ( ( subset @ SV269 @ SV336 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1934]) ).

thf(2106,plain,
    ! [SV337: $i,SV270: $i] :
      ( ( ( subset @ SV270 @ SV337 )
        = $false )
      | ( ( ( set_difference @ SV270 @ SV337 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1935]) ).

thf(2107,plain,
    ! [SV271: $i] :
      ( ( ( ( ( relation_dom @ SV271 )
           != empty_set ) )
        = $true )
      | ( ( ( relation_rng @ SV271 )
          = empty_set )
        = $true )
      | ( ( relation @ SV271 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1936]) ).

thf(2108,plain,
    ! [SV272: $i] :
      ( ( ( ( ( relation_rng @ SV272 )
           != empty_set ) )
        = $true )
      | ( ( ( relation_dom @ SV272 )
          = empty_set )
        = $true )
      | ( ( relation @ SV272 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1937]) ).

thf(2109,plain,
    ! [SV118: $i,SV338: $i,SV395: $i] :
      ( ( ( ~ ( function @ SV395 )
          | ~ ( relation @ SV395 ) )
        = $true )
      | ( ( ( SV338
           != ( apply @ SV395 @ SV118 ) )
          | ~ ( in @ SV118 @ ( relation_dom @ SV395 ) )
          | ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1938]) ).

thf(2110,plain,
    ! [SV118: $i] :
      ( ( ! [SY655: $i,SY656: $i] :
            ( ~ ( function @ SY656 )
            | ~ ( relation @ SY656 )
            | ~ ( in @ ( ordered_pair @ SV118 @ SY655 ) @ SY656 )
            | ( SY655
              = ( apply @ SY656 @ SV118 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1939]) ).

thf(2111,plain,
    ! [SV118: $i] :
      ( ( ! [SY657: $i,SY658: $i] :
            ( ~ ( function @ SY658 )
            | ~ ( relation @ SY658 )
            | ~ ( in @ ( ordered_pair @ SV118 @ SY657 ) @ SY658 )
            | ( in @ SV118 @ ( relation_dom @ SY658 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1940]) ).

thf(2112,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( relation @ SV339 )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                   != ( sK70_SY500 @ SV339 @ SV273 ) )
                  | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                  | ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
              | ~ ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                          = ( sK70_SY500 @ SV339 @ SV273 ) )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
                    | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) ) )
          | ( SV339
            = ( identity_relation @ SV273 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1941]) ).

thf(2113,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( relation @ SV340 )
        = $false )
      | ( ( ( SV340
           != ( identity_relation @ SV274 ) )
          | ~ ( ~ ! [SY968: $i,SY969: $i] :
                    ( ( SY968 != SY969 )
                    | ~ ( in @ SY968 @ SV274 )
                    | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) )
              | ~ ~ ( ~ ! [SY970: $i,SY971: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                          | ( SY970 = SY971 ) )
                    | ~ ! [SY972: $i] :
                          ( ! [SY973: $i] :
                              ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                          | ( in @ SY972 @ SV274 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1942]) ).

thf(2114,plain,
    ! [SV120: $i,SV275: $i] :
      ( ( ( ~ ! [SY904: $i] :
                ( ~ ( relation @ SY904 )
                | ~ ( ~ ( ! [SY905: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ SY905 ) @ SV120 )
                            | ~ ( in @ ( ordered_pair @ SY905 @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) ) @ SV120 )
                            | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                        | ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) ) )
                | ( SY904
                  = ( relation_composition @ SV120 @ SV275 ) ) )
          | ~ ! [SY906: $i] :
                ( ~ ( relation @ SY906 )
                | ( SY906
                 != ( relation_composition @ SV120 @ SV275 ) )
                | ~ ( ~ ! [SY907: $i,SY908: $i] :
                          ( ! [SY909: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY907 @ SY909 ) @ SV120 )
                              | ~ ( in @ ( ordered_pair @ SY909 @ SY908 ) @ SV275 ) )
                          | ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SY906 ) )
                    | ~ ! [SY910: $i,SY911: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY910 @ SY911 ) @ SY906 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY910 @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) ) @ SV120 )
                              | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) @ SY911 ) @ SV275 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1943]) ).

thf(2115,plain,
    ! [SV227: $i,SV121: $i] :
      ( ( ( ! [SY853: $i] :
              ( ~ ( element @ SY853 @ ( powerset @ SV121 ) )
              | ~ ( disjoint @ SV227 @ SY853 )
              | ( subset @ SV227 @ ( subset_complement @ SV121 @ SY853 ) ) ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1944]) ).

thf(2116,plain,
    ! [SV227: $i,SV121: $i] :
      ( ( ( ! [SY854: $i] :
              ( ~ ( element @ SY854 @ ( powerset @ SV121 ) )
              | ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SY854 ) )
              | ( disjoint @ SV227 @ SY854 ) ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1945]) ).

thf(2117,plain,
    ! [SV341: $i,SV122: $i,SV396: $i] :
      ( ( ( ~ ( relation @ SV396 ) )
        = $true )
      | ( ( ~ ( in @ SV122 @ SV341 )
          | ~ ( in @ SV122 @ ( relation_rng @ SV396 ) )
          | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SV396 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1946]) ).

thf(2118,plain,
    ! [SV122: $i] :
      ( ( ! [SY673: $i,SY674: $i] :
            ( ~ ( relation @ SY674 )
            | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY673 @ SY674 ) ) )
            | ( in @ SV122 @ SY673 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1947]) ).

thf(2119,plain,
    ! [SV122: $i] :
      ( ( ! [SY675: $i,SY676: $i] :
            ( ~ ( relation @ SY676 )
            | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SY675 @ SY676 ) ) )
            | ( in @ SV122 @ ( relation_rng @ SY676 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1948]) ).

thf(2120,plain,
    ! [SV123: $i,SV424: $i] :
      ( ( ( ! [SY1035: $i] :
              ( ~ ( relation @ SY1035 )
              | ~ ( ~ ( ~ ( in @ ( sK34_D @ SY1035 @ SV424 @ SV123 ) @ SV424 )
                      | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY1035 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SY1035 @ SV424 @ SV123 ) ) @ SV123 )
                      | ~ ( in @ ( ordered_pair @ ( sK34_D @ SY1035 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SY1035 @ SV424 @ SV123 ) ) @ SY1035 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK34_D @ SY1035 @ SV424 @ SV123 ) @ SV424 )
                            | ( in @ ( ordered_pair @ ( sK34_D @ SY1035 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SY1035 @ SV424 @ SV123 ) ) @ SY1035 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SY1035 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SY1035 @ SV424 @ SV123 ) ) @ SV123 )
                            | ( in @ ( ordered_pair @ ( sK34_D @ SY1035 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SY1035 @ SV424 @ SV123 ) ) @ SY1035 ) ) ) )
              | ( SY1035
                = ( relation_dom_restriction @ SV123 @ SV424 ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1949]) ).

thf(2121,plain,
    ! [SV425: $i,SV123: $i] :
      ( ( ( ! [SY1036: $i] :
              ( ~ ( relation @ SY1036 )
              | ( SY1036
               != ( relation_dom_restriction @ SV123 @ SV425 ) )
              | ~ ( ~ ! [SY1037: $i,SY1038: $i] :
                        ( ~ ( in @ SY1037 @ SV425 )
                        | ~ ( in @ ( ordered_pair @ SY1037 @ SY1038 ) @ SV123 )
                        | ( in @ ( ordered_pair @ SY1037 @ SY1038 ) @ SY1036 ) )
                  | ~ ~ ( ~ ! [SY1039: $i] :
                              ( ! [SX4: $i] :
                                  ~ ( in @ ( ordered_pair @ SY1039 @ SX4 ) @ SY1036 )
                              | ( in @ SY1039 @ SV425 ) )
                        | ~ ! [SY685: $i,SY686: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SY1036 )
                              | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV123 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1950]) ).

thf(2122,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( relation @ SV426 )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) ) )
          | ( SV426
            = ( relation_inverse @ SV124 ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1951]) ).

thf(2123,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( ~ ( relation @ SV427 )
          | ( SV427
           != ( relation_inverse @ SV124 ) )
          | ~ ( ~ ! [SY1043: $i,SY1044: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
                    | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) )
              | ~ ! [SY1045: $i,SY1046: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
                    | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1952]) ).

thf(2124,plain,
    ! [SV342: $i,SV276: $i] :
      ( ( ( element @ SV276 @ ( powerset @ SV342 ) )
        = $false )
      | ( ( subset @ SV276 @ SV342 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1953]) ).

thf(2125,plain,
    ! [SV343: $i,SV277: $i] :
      ( ( ( subset @ SV277 @ SV343 )
        = $false )
      | ( ( element @ SV277 @ ( powerset @ SV343 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1954]) ).

thf(2126,plain,
    ! [SV344: $i,SV278: $i] :
      ( ( ( in @ SV278 @ SV344 )
        = $false )
      | ( ( subset @ ( singleton @ SV278 ) @ SV344 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1955]) ).

thf(2127,plain,
    ! [SV345: $i,SV279: $i] :
      ( ( ( subset @ ( singleton @ SV279 ) @ SV345 )
        = $false )
      | ( ( in @ SV279 @ SV345 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1956]) ).

thf(2128,plain,
    ! [SV346: $i,SV280: $i] :
      ( ( ( ( set_intersection2 @ SV280 @ SV346 )
          = empty_set )
        = $false )
      | ( ( disjoint @ SV280 @ SV346 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1957]) ).

thf(2129,plain,
    ! [SV347: $i,SV281: $i] :
      ( ( ( disjoint @ SV281 @ SV347 )
        = $false )
      | ( ( ( set_intersection2 @ SV281 @ SV347 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1958]) ).

thf(2130,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ~ ( function @ SV348 ) )
        = $true )
      | ( ( ~ ( relation @ SV348 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
              | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
                   != ( sK38_C @ SV348 @ SV282 ) ) ) )
          | ( ( relation_dom @ SV348 )
           != SV282 )
          | ( SV348
            = ( identity_relation @ SV282 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1959]) ).

thf(2131,plain,
    ! [SV428: $i] :
      ( ( ! [SY1047: $i] :
            ( ~ ( function @ SY1047 )
            | ~ ( relation @ SY1047 )
            | ( SY1047
             != ( identity_relation @ SV428 ) )
            | ! [SY1048: $i] :
                ( ~ ( in @ SY1048 @ SV428 )
                | ( ( apply @ SY1047 @ SY1048 )
                  = SY1048 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1960]) ).

thf(2132,plain,
    ! [SV429: $i] :
      ( ( ! [SY1049: $i] :
            ( ~ ( function @ SY1049 )
            | ~ ( relation @ SY1049 )
            | ( SY1049
             != ( identity_relation @ SV429 ) )
            | ( ( relation_dom @ SY1049 )
              = SV429 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1961]) ).

thf(2133,plain,
    ! [SV349: $i,SV283: $i] :
      ( ( ( ( set_difference @ SV283 @ SV349 )
          = empty_set )
        = $false )
      | ( ( subset @ SV283 @ SV349 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1962]) ).

thf(2134,plain,
    ! [SV350: $i,SV284: $i] :
      ( ( ( subset @ SV284 @ SV350 )
        = $false )
      | ( ( ( set_difference @ SV284 @ SV350 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1963]) ).

thf(2135,plain,
    ! [SV351: $i,SV285: $i] :
      ( ( ( ~ ( subset @ SV285 @ SV351 ) )
        = $true )
      | ( ( ~ ( subset @ SV351 @ SV285 ) )
        = $true )
      | ( ( SV285 = SV351 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1964]) ).

thf(2136,plain,
    ! [SV430: $i] :
      ( ( ! [SY1050: $i] :
            ( ( SV430 != SY1050 )
            | ( subset @ SV430 @ SY1050 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1965]) ).

thf(2137,plain,
    ! [SV431: $i] :
      ( ( ! [SY1051: $i] :
            ( ( SV431 != SY1051 )
            | ( subset @ SY1051 @ SV431 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1966]) ).

thf(2138,plain,
    ! [SV125: $i,SV432: $i] :
      ( ( ( ! [SY1052: $i] :
              ( ~ ( ~ ( ! [SY1053: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1053 @ ( sK30_D @ SY1052 @ SV432 @ SV125 ) ) @ SV125 )
                          | ~ ( in @ SY1053 @ SV432 ) )
                      | ~ ( in @ ( sK30_D @ SY1052 @ SV432 @ SV125 ) @ SY1052 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SY1052 @ SV432 @ SV125 ) @ ( sK30_D @ SY1052 @ SV432 @ SV125 ) ) @ SV125 )
                          | ~ ( in @ ( sK31_SY471 @ SY1052 @ SV432 @ SV125 ) @ SV432 ) )
                      | ( in @ ( sK30_D @ SY1052 @ SV432 @ SV125 ) @ SY1052 ) ) )
              | ( SY1052
                = ( relation_image @ SV125 @ SV432 ) ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1967]) ).

thf(2139,plain,
    ! [SV433: $i,SV125: $i] :
      ( ( ( ! [SY1054: $i] :
              ( ( SY1054
               != ( relation_image @ SV125 @ SV433 ) )
              | ~ ( ~ ! [SY1055: $i] :
                        ( ! [SY1056: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY1056 @ SY1055 ) @ SV125 )
                            | ~ ( in @ SY1056 @ SV433 ) )
                        | ( in @ SY1055 @ SY1054 ) )
                  | ~ ! [SY1057: $i] :
                        ( ~ ( in @ SY1057 @ SY1054 )
                        | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY1057 @ SY1054 @ SV433 @ SV125 ) @ SY1057 ) @ SV125 )
                            | ~ ( in @ ( sK29_E @ SY1057 @ SY1054 @ SV433 @ SV125 ) @ SV433 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1968]) ).

thf(2140,plain,
    ! [SV352: $i,SV126: $i,SV397: $i] :
      ( ( ( ~ ( relation @ SV397 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV126 @ SV352 ) @ SV397 )
          | ( in @ SV126 @ ( relation_field @ SV397 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1969]) ).

thf(2141,plain,
    ! [SV353: $i,SV126: $i,SV398: $i] :
      ( ( ( ~ ( relation @ SV398 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV126 @ SV353 ) @ SV398 )
          | ( in @ SV353 @ ( relation_field @ SV398 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1970]) ).

thf(2142,plain,
    ! [SV228: $i,SV399: $i,SV127: $i,SV434: $i] :
      ( ( ~ ( relation @ SV434 )
        | ~ ( in @ SV127 @ SV399 )
        | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV434 )
        | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SV434 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1971]) ).

thf(2143,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ! [SY857: $i,SY858: $i] :
              ( ~ ( relation @ SY858 )
              | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY857 ) @ SY858 ) )
              | ( in @ SV127 @ SY857 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1972]) ).

thf(2144,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ~ ! [SY859: $i,SY860: $i] :
              ( ~ ( relation @ SY860 )
              | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY859 ) @ SY860 ) )
              | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY860 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1972]) ).

thf(2145,plain,
    ! [SV354: $i,SV286: $i] :
      ( ( ( in @ SV286 @ SV354 )
        = $false )
      | ( ( subset @ ( singleton @ SV286 ) @ SV354 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1973]) ).

thf(2146,plain,
    ! [SV355: $i,SV287: $i] :
      ( ( ( subset @ ( singleton @ SV287 ) @ SV355 )
        = $false )
      | ( ( in @ SV287 @ SV355 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1974]) ).

thf(2147,plain,
    ! [SV356: $i,SV400: $i,SV128: $i] :
      ( ( ( ~ ( in @ SV128 @ SV400 )
          | ~ ( in @ SV356 @ SV400 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV128 @ SV356 ) @ SV400 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1975]) ).

thf(2148,plain,
    ! [SV128: $i] :
      ( ( ! [SY714: $i,SY715: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV128 @ SY714 ) @ SY715 )
            | ( in @ SV128 @ SY715 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1976]) ).

thf(2149,plain,
    ! [SV128: $i] :
      ( ( ! [SY716: $i,SY717: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV128 @ SY716 ) @ SY717 )
            | ( in @ SY716 @ SY717 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1977]) ).

thf(2150,plain,
    ! [SV435: $i] :
      ( ( ( empty @ SV435 )
        | ! [SY1058: $i] :
            ( ~ ( element @ SY1058 @ SV435 )
            | ( in @ SY1058 @ SV435 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1978]) ).

thf(2151,plain,
    ! [SV436: $i] :
      ( ( ( empty @ SV436 )
        | ! [SY1059: $i] :
            ( ~ ( in @ SY1059 @ SV436 )
            | ( element @ SY1059 @ SV436 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1979]) ).

thf(2152,plain,
    ! [SV437: $i] :
      ( ( ~ ( empty @ SV437 )
        | ! [SY1060: $i] :
            ( ~ ( element @ SY1060 @ SV437 )
            | ( empty @ SY1060 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1980]) ).

thf(2153,plain,
    ! [SV438: $i] :
      ( ( ~ ( empty @ SV438 )
        | ! [SY1061: $i] :
            ( ~ ( empty @ SY1061 )
            | ( element @ SY1061 @ SV438 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1981]) ).

thf(2154,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ~ ( ~ ( ! [SY1062: $i] :
                      ~ ( in @ ( ordered_pair @ SY1062 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
                  | ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SV439 @ SV129 ) @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
                  | ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) ) )
          | ( SV439
            = ( relation_rng @ SV129 ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1982]) ).

thf(2155,plain,
    ! [SV129: $i,SV440: $i] :
      ( ( ( ( SV440
           != ( relation_rng @ SV129 ) )
          | ~ ( ~ ! [SY1063: $i] :
                    ( ! [SY722: $i] :
                        ~ ( in @ ( ordered_pair @ SY722 @ SY1063 ) @ SV129 )
                    | ( in @ SY1063 @ SV440 ) )
              | ~ ! [SY1065: $i] :
                    ( ~ ( in @ SY1065 @ SV440 )
                    | ( in @ ( ordered_pair @ ( sK18_D @ SY1065 @ SV440 @ SV129 ) @ SY1065 ) @ SV129 ) ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1983]) ).

thf(2156,plain,
    ! [SV357: $i,SV288: $i] :
      ( ( ( ( set_difference @ SV288 @ ( singleton @ SV357 ) )
          = SV288 )
        = $false )
      | ( ( ~ ( in @ SV357 @ SV288 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1986]) ).

thf(2157,plain,
    ! [SV360: $i,SV293: $i,SV441: $i] :
      ( ( ( ~ ( in @ SV441 @ ( set_intersection2 @ SV293 @ SV360 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV293 @ SV360 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1989]) ).

thf(2158,plain,
    ! [SV130: $i,SV229: $i] :
      ( ( ( in @ ( sK73_C @ SV229 @ SV130 ) @ SV229 )
        = $false )
      | ( ( element @ SV130 @ ( powerset @ SV229 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1991]) ).

thf(2159,plain,
    ! [SV131: $i,SV442: $i] :
      ( ( ( ! [SY1066: $i] :
              ( ~ ( ~ ( ! [SY1067: $i] :
                          ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY1066 @ SV442 @ SV131 ) @ SY1067 ) @ SV131 )
                          | ~ ( in @ SY1067 @ SV442 ) )
                      | ~ ( in @ ( sK27_D @ SY1066 @ SV442 @ SV131 ) @ SY1066 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SY1066 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SY1066 @ SV442 @ SV131 ) ) @ SV131 )
                          | ~ ( in @ ( sK28_SY469 @ SY1066 @ SV442 @ SV131 ) @ SV442 ) )
                      | ( in @ ( sK27_D @ SY1066 @ SV442 @ SV131 ) @ SY1066 ) ) )
              | ( SY1066
                = ( relation_inverse_image @ SV131 @ SV442 ) ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1992]) ).

thf(2160,plain,
    ! [SV443: $i,SV131: $i] :
      ( ( ( ! [SY1068: $i] :
              ( ( SY1068
               != ( relation_inverse_image @ SV131 @ SV443 ) )
              | ~ ( ~ ! [SY1069: $i] :
                        ( ! [SY1070: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY1069 @ SY1070 ) @ SV131 )
                            | ~ ( in @ SY1070 @ SV443 ) )
                        | ( in @ SY1069 @ SY1068 ) )
                  | ~ ! [SY1071: $i] :
                        ( ~ ( in @ SY1071 @ SY1068 )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY1071 @ ( sK26_E @ SY1071 @ SY1068 @ SV443 @ SV131 ) ) @ SV131 )
                            | ~ ( in @ ( sK26_E @ SY1071 @ SY1068 @ SV443 @ SV131 ) @ SV443 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1993]) ).

thf(2161,plain,
    ! [SV361: $i,SV294: $i] :
      ( ( ( ( set_difference @ SV294 @ SV361 )
          = SV294 )
        = $false )
      | ( ( disjoint @ SV294 @ SV361 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1994]) ).

thf(2162,plain,
    ! [SV362: $i,SV295: $i] :
      ( ( ( disjoint @ SV295 @ SV362 )
        = $false )
      | ( ( ( set_difference @ SV295 @ SV362 )
          = SV295 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1995]) ).

thf(2163,plain,
    ! [SV296: $i] :
      ( ( ( ~ ! [SY931: $i,SY932: $i] :
                ( ( sK68_B @ SV296 )
               != ( ordered_pair @ SY931 @ SY932 ) ) )
        = $false )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1996]) ).

thf(2164,plain,
    ! [SV296: $i] :
      ( ( ( ~ ( in @ ( sK68_B @ SV296 ) @ SV296 ) )
        = $false )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1996]) ).

thf(2165,plain,
    ! [SV297: $i,SV444: $i] :
      ( ( ( ( SV444
            = ( ordered_pair @ ( sK66_C @ SV444 @ SV297 ) @ ( sK67_SY497 @ SV444 @ SV297 ) ) )
          | ~ ( in @ SV444 @ SV297 ) )
        = $true )
      | ( ( relation @ SV297 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1997]) ).

thf(2166,plain,
    ! [SV363: $i,SV132: $i,SV401: $i] :
      ( ( ( ~ ( relation @ SV401 ) )
        = $true )
      | ( ( ~ ( in @ SV132 @ SV363 )
          | ~ ( in @ SV132 @ ( relation_dom @ SV401 ) )
          | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV401 @ SV363 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1998]) ).

thf(2167,plain,
    ! [SV132: $i] :
      ( ( ! [SY735: $i,SY736: $i] :
            ( ~ ( relation @ SY736 )
            | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY736 @ SY735 ) ) )
            | ( in @ SV132 @ SY735 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1999]) ).

thf(2168,plain,
    ! [SV132: $i] :
      ( ( ! [SY737: $i,SY738: $i] :
            ( ~ ( relation @ SY738 )
            | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY738 @ SY737 ) ) )
            | ( in @ SV132 @ ( relation_dom @ SY738 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2000]) ).

thf(2169,plain,
    ! [SV364: $i,SV133: $i,SV402: $i] :
      ( ( ( ~ ( relation @ SV402 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV133 @ SV364 ) @ SV402 )
          | ( in @ SV133 @ ( relation_dom @ SV402 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2001]) ).

thf(2170,plain,
    ! [SV365: $i,SV133: $i,SV403: $i] :
      ( ( ( ~ ( relation @ SV403 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV133 @ SV365 ) @ SV403 )
          | ( in @ SV365 @ ( relation_rng @ SV403 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2002]) ).

thf(2171,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ~ ( ~ ( ! [SY1072: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SY1072 ) @ SV134 )
                  | ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ ( sK23_SY466 @ SV445 @ SV134 ) ) @ SV134 )
                  | ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) ) )
          | ( SV445
            = ( relation_dom @ SV134 ) ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2003]) ).

thf(2172,plain,
    ! [SV134: $i,SV446: $i] :
      ( ( ( ( SV446
           != ( relation_dom @ SV134 ) )
          | ~ ( ~ ! [SY1073: $i] :
                    ( ! [SY747: $i] :
                        ~ ( in @ ( ordered_pair @ SY1073 @ SY747 ) @ SV134 )
                    | ( in @ SY1073 @ SV446 ) )
              | ~ ! [SY1075: $i] :
                    ( ~ ( in @ SY1075 @ SV446 )
                    | ( in @ ( ordered_pair @ SY1075 @ ( sK21_D @ SY1075 @ SV446 @ SV134 ) ) @ SV134 ) ) ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2004]) ).

thf(2173,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                        | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                         != SV135 ) )
                    | ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                        | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                         != SV366 ) ) )
              | ~ ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                  | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                    = SV135 )
                  | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                    = SV366 ) ) ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2005]) ).

thf(2174,plain,
    ! [SV367: $i,SV135: $i,SV405: $i] :
      ( ( ( ( SV405
           != ( unordered_pair @ SV135 @ SV367 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1019: $i] :
                    ( ~ ( in @ SY1019 @ SV405 )
                    | ( SY1019 = SV135 )
                    | ( SY1019 = SV367 ) )
              | ~ ~ ( ~ ! [SY1020: $i] :
                          ( ( SY1020 != SV135 )
                          | ( in @ SY1020 @ SV405 ) )
                    | ~ ! [SY1021: $i] :
                          ( ( SY1021 != SV367 )
                          | ( in @ SY1021 @ SV405 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2006]) ).

thf(2175,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( relation @ SV447 )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) ) )
          | ( SV136 = SV447 ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2007]) ).

thf(2176,plain,
    ! [SV136: $i,SV448: $i] :
      ( ( ( ~ ( relation @ SV448 )
          | ( SV136 != SV448 )
          | ~ ( ~ ! [SY1076: $i,SY1077: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
                    | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) )
              | ~ ! [SY1078: $i,SY1079: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
                    | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2008]) ).

thf(2177,plain,
    ! [SV368: $i,SV298: $i] :
      ( ( ( ~ ( function @ SV298 )
          | ~ ( relation @ SV298 )
          | ~ ( relation @ SV368 ) )
        = $true )
      | ( ( ~ ( function @ SV368 ) )
        = $true )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2009]) ).

thf(2178,plain,
    ! [SV369: $i,SV299: $i] :
      ( ( ( ~ ( function @ SV299 )
          | ~ ( relation @ SV299 )
          | ~ ( relation @ SV369 ) )
        = $true )
      | ( ( ~ ( function @ SV369 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2010]) ).

thf(2179,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ~ ! [SY861: $i] :
                ( ~ ( function @ SY861 )
                | ~ ( relation @ SY861 )
                | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
                | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
                | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) )
          | ~ ~ ( ~ ! [SY862: $i] :
                      ( ~ ( function @ SY862 )
                      | ~ ( relation @ SY862 )
                      | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                      | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
                | ~ ! [SY863: $i] :
                      ( ~ ( function @ SY863 )
                      | ~ ( relation @ SY863 )
                      | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                      | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2011]) ).

thf(2180,plain,
    ! [SV138: $i,SV370: $i] :
      ( ( ( ~ ( subset @ SV370 @ ( sK41_B @ SV138 ) ) )
        = $true )
      | ( ( are_equipotent @ SV370 @ ( sK41_B @ SV138 ) )
        = $true )
      | ( ( in @ SV370 @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2012]) ).

thf(2181,plain,
    ! [SV138: $i] :
      ( ( ! [SY767: $i] :
            ( ~ ( in @ SY767 @ ( sK41_B @ SV138 ) )
            | ( in @ ( powerset @ SY767 ) @ ( sK41_B @ SV138 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2013]) ).

thf(2182,plain,
    ! [SV138: $i] :
      ( ( ~ ( ~ ! [SY768: $i,SY769: $i] :
                  ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
                  | ~ ( subset @ SY769 @ SY768 )
                  | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
            | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2014]) ).

thf(2183,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( ~ ( relation @ SV449 )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV139 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 ) )
          | ( subset @ SV139 @ SV449 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2015]) ).

thf(2184,plain,
    ! [SV139: $i,SV450: $i] :
      ( ( ( ~ ( relation @ SV450 )
          | ~ ( subset @ SV139 @ SV450 )
          | ! [SY1080: $i,SY1081: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV139 )
              | ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV450 ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2016]) ).

thf(2185,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
              | ~ ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) )
          | ~ ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
              | ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) ) )
        = $false )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2017]) ).

thf(2186,plain,
    ! [SV301: $i,SV372: $i] :
      ( ( ( SV372
          = ( powerset @ SV301 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY987: $i] :
                    ( ~ ( in @ SY987 @ SV372 )
                    | ( subset @ SY987 @ SV301 ) )
              | ~ ! [SY988: $i] :
                    ( ~ ( subset @ SY988 @ SV301 )
                    | ( in @ SY988 @ SV372 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2018]) ).

thf(2187,plain,
    ! [SV373: $i,SV302: $i] :
      ( ( ( ~ ( empty @ SV302 ) )
        = $true )
      | ( ( ~ ( relation @ SV373 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV302 @ SV373 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2019]) ).

thf(2188,plain,
    ! [SV374: $i,SV303: $i] :
      ( ( ( ~ ( empty @ SV303 ) )
        = $true )
      | ( ( ~ ( relation @ SV374 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV303 @ SV374 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2020]) ).

thf(2189,plain,
    ! [SV140: $i,SV451: $i] :
      ( ( ( ~ ( relation @ SV451 )
          | ~ ( subset @ SV140 @ SV451 )
          | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SV451 ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2021]) ).

thf(2190,plain,
    ! [SV140: $i,SV452: $i] :
      ( ( ( ~ ( relation @ SV452 )
          | ~ ( subset @ SV140 @ SV452 )
          | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SV452 ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2022]) ).

thf(2191,plain,
    ! [SV375: $i,SV142: $i,SV406: $i] :
      ( ( ( ~ ( relation @ SV406 ) )
        = $true )
      | ( ( ! [SY1022: $i] :
              ( ~ ( in @ SY1022 @ ( relation_rng @ SV406 ) )
              | ~ ( in @ ( ordered_pair @ SV142 @ SY1022 ) @ SV406 )
              | ~ ( in @ SY1022 @ SV375 ) )
          | ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2024]) ).

thf(2192,plain,
    ! [SV376: $i,SV142: $i,SV407: $i] :
      ( ( ( ~ ( relation @ SV407 ) )
        = $true )
      | ( ( ~ ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
                    | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
              | ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2025]) ).

thf(2193,plain,
    ! [SV453: $i] :
      ( ( ( SV453 = empty_set )
        | ! [SY1082: $i] :
            ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SY1082 @ SV453 ) @ SV453 )
                        | ~ ~ ( in @ ( sK64_C @ SY1082 @ SV453 ) @ ( sK65_SY495 @ SY1082 @ SV453 ) ) )
                    | ~ ( in @ ( sK64_C @ SY1082 @ SV453 ) @ SY1082 ) )
                | ~ ( ! [SY1083: $i] :
                        ( ~ ( in @ SY1083 @ SV453 )
                        | ( in @ ( sK64_C @ SY1082 @ SV453 ) @ SY1083 ) )
                    | ( in @ ( sK64_C @ SY1082 @ SV453 ) @ SY1082 ) ) )
            | ( SY1082
              = ( set_meet @ SV453 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2026]) ).

thf(2194,plain,
    ! [SV454: $i] :
      ( ( ( SV454 = empty_set )
        | ! [SY1084: $i] :
            ( ( SY1084
             != ( set_meet @ SV454 ) )
            | ~ ( ~ ! [SY1085: $i] :
                      ( ~ ( ~ ( in @ ( sK63_D @ SY1085 @ SY1084 @ SV454 ) @ SV454 )
                          | ~ ~ ( in @ SY1085 @ ( sK63_D @ SY1085 @ SY1084 @ SV454 ) ) )
                      | ( in @ SY1085 @ SY1084 ) )
                | ~ ! [SY1086: $i] :
                      ( ~ ( in @ SY1086 @ SY1084 )
                      | ! [SY1087: $i] :
                          ( ~ ( in @ SY1087 @ SV454 )
                          | ( in @ SY1086 @ SY1087 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2027]) ).

thf(2195,plain,
    ! [SV455: $i] :
      ( ( ( SV455 != empty_set )
        | ! [SY1088: $i] :
            ( ( SY1088
             != ( set_meet @ SV455 ) )
            | ( SY1088 = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2028]) ).

thf(2196,plain,
    ! [SV456: $i] :
      ( ( ( SV456 != empty_set )
        | ! [SY1089: $i] :
            ( ( SY1089 != empty_set )
            | ( SY1089
              = ( set_meet @ SV456 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2029]) ).

thf(2197,plain,
    ! [SV377: $i,SV308: $i] :
      ( ( ( SV308 = SV377 )
        = $true )
      | ( ( ~ ( subset @ SV308 @ SV377 ) )
        = $true )
      | ( ( proper_subset @ SV308 @ SV377 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2032]) ).

thf(2198,plain,
    ! [SV457: $i] :
      ( ( ! [SY1090: $i] :
            ( ~ ( proper_subset @ SV457 @ SY1090 )
            | ( SV457 != SY1090 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2033]) ).

thf(2199,plain,
    ! [SV458: $i] :
      ( ( ! [SY1091: $i] :
            ( ~ ( proper_subset @ SV458 @ SY1091 )
            | ( subset @ SV458 @ SY1091 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2034]) ).

thf(2200,plain,
    ! [SV459: $i,SV231: $i,SV408: $i,SV143: $i] :
      ( ( ~ ( in @ SV143 @ SV408 )
        | ~ ( in @ SV231 @ SV459 )
        | ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV408 @ SV459 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2035]) ).

thf(2201,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ! [SY866: $i] :
              ( ! [SY867: $i] :
                  ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY866 @ SY867 ) )
              | ( in @ SV143 @ SY866 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[2036]) ).

thf(2202,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ~ ! [SY868: $i,SY869: $i] :
              ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY868 @ SY869 ) )
              | ( in @ SV231 @ SY869 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[2036]) ).

thf(2203,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                        | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
                    | ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                        | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
              | ~ ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                  | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
                  | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2037]) ).

thf(2204,plain,
    ! [SV379: $i,SV144: $i,SV410: $i] :
      ( ( ( ( SV410
           != ( set_union2 @ SV144 @ SV379 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1024: $i] :
                    ( ~ ( in @ SY1024 @ SV410 )
                    | ( in @ SY1024 @ SV144 )
                    | ( in @ SY1024 @ SV379 ) )
              | ~ ~ ( ~ ! [SY1025: $i] :
                          ( ~ ( in @ SY1025 @ SV144 )
                          | ( in @ SY1025 @ SV410 ) )
                    | ~ ! [SY1026: $i] :
                          ( ~ ( in @ SY1026 @ SV379 )
                          | ( in @ SY1026 @ SV410 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2038]) ).

thf(2205,plain,
    ! [SV380: $i,SV145: $i,SV411: $i] :
      ( ( ( ~ ( relation @ SV411 ) )
        = $true )
      | ( ( ! [SY1027: $i] :
              ( ~ ( in @ SY1027 @ ( relation_dom @ SV411 ) )
              | ~ ( in @ ( ordered_pair @ SY1027 @ SV145 ) @ SV411 )
              | ~ ( in @ SY1027 @ SV380 ) )
          | ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2041]) ).

thf(2206,plain,
    ! [SV381: $i,SV145: $i,SV412: $i] :
      ( ( ( ~ ( relation @ SV412 ) )
        = $true )
      | ( ( ~ ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
                    | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
              | ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2042]) ).

thf(2207,plain,
    ! [SV382: $i,SV146: $i] :
      ( ( ( subset @ SV146 @ SV382 )
        = $false )
      | ( ( ! [SY1000: $i] : ( subset @ ( cartesian_product2 @ SV146 @ SY1000 ) @ ( cartesian_product2 @ SV382 @ SY1000 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2043]) ).

thf(2208,plain,
    ! [SV383: $i,SV146: $i] :
      ( ( ( subset @ SV146 @ SV383 )
        = $false )
      | ( ( ! [SY1001: $i] : ( subset @ ( cartesian_product2 @ SY1001 @ SV146 ) @ ( cartesian_product2 @ SY1001 @ SV383 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2044]) ).

thf(2209,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 ) )
        = $true )
      | ( ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) )
        = $true )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2045]) ).

thf(2210,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
        = $true )
      | ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 )
        = $true )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2046]) ).

thf(2211,plain,
    ! [SV384: $i,SV311: $i] :
      ( ( ( subset @ SV311 @ ( singleton @ SV384 ) )
        = $false )
      | ( ( ( SV311 = empty_set )
          | ( SV311
            = ( singleton @ SV384 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2047]) ).

thf(2212,plain,
    ! [SV460: $i] :
      ( ( ( SV460 != empty_set )
        | ! [SY1092: $i] : ( subset @ SV460 @ ( singleton @ SY1092 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2048]) ).

thf(2213,plain,
    ! [SV461: $i] :
      ( ( ! [SY1093: $i] :
            ( ( SV461
             != ( singleton @ SY1093 ) )
            | ( subset @ SV461 @ ( singleton @ SY1093 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2049]) ).

thf(2214,plain,
    ! [SV413: $i,SV233: $i,SV148: $i] :
      ( ( ( ! [SY1028: $i] :
              ( ( ordered_pair @ SV148 @ SV233 )
             != ( ordered_pair @ SV413 @ SY1028 ) ) )
        = $true )
      | ( ( SV148 = SV413 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2050]) ).

thf(2215,plain,
    ! [SV462: $i,SV414: $i,SV233: $i,SV148: $i] :
      ( ( ( ( ordered_pair @ SV148 @ SV233 )
         != ( ordered_pair @ SV414 @ SV462 ) )
        | ( SV233 = SV462 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2051]) ).

thf(2216,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ( ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV312 )
          | ~ ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV385 ) )
        = $false )
      | ( ( subset @ SV312 @ SV385 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2052]) ).

thf(2217,plain,
    ! [SV386: $i,SV313: $i] :
      ( ( ( subset @ SV313 @ SV386 )
        = $false )
      | ( ( ! [SY1002: $i] :
              ( ~ ( in @ SY1002 @ SV313 )
              | ( in @ SY1002 @ SV386 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2053]) ).

thf(2218,plain,
    ! [SV314: $i] :
      ( ( ( ( ( relation_dom @ SV314 )
           != empty_set ) )
        = $true )
      | ( ( SV314 = empty_set )
        = $true )
      | ( ( relation @ SV314 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2054]) ).

thf(2219,plain,
    ! [SV315: $i] :
      ( ( ( ( ( relation_rng @ SV315 )
           != empty_set ) )
        = $true )
      | ( ( SV315 = empty_set )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2055]) ).

thf(2220,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
                  | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
                  | ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
              | ~ ~ ( ~ ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
                        | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
                    | ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
                        | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) ) ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2058]) ).

thf(2221,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( ( SV416
           != ( set_difference @ SV149 @ SV388 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1030: $i] :
                    ( ~ ( in @ SY1030 @ SV149 )
                    | ( in @ SY1030 @ SV388 )
                    | ( in @ SY1030 @ SV416 ) )
              | ~ ~ ( ~ ! [SY1031: $i] :
                          ( ~ ( in @ SY1031 @ SV416 )
                          | ( in @ SY1031 @ SV149 ) )
                    | ~ ! [SY1032: $i] :
                          ( ~ ( in @ SY1032 @ SV416 )
                          | ~ ( in @ SY1032 @ SV388 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2059]) ).

thf(2222,plain,
    ! [SV168: $i,SV21: $i,SV251: $i,SV236: $i] :
      ( ( ( subset @ SV236 @ SV251 )
        = $false )
      | ( ( subset @ SV21 @ SV168 )
        = $false )
      | ( ( subset @ ( cartesian_product2 @ SV21 @ SV236 ) @ ( cartesian_product2 @ SV168 @ SV251 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2063]) ).

thf(2223,plain,
    ! [SV27: $i,SV173: $i] :
      ( ( ( ( relation_inverse_image @ SV173 @ SV27 )
          = empty_set )
        = $false )
      | ( ( SV27 = empty_set )
        = $true )
      | ( ( subset @ SV27 @ ( relation_rng @ SV173 ) )
        = $false )
      | ( ( relation @ SV173 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2064]) ).

thf(2224,plain,
    ! [SV178: $i,SV33: $i,SV417: $i] :
      ( ( ( ~ ( function @ SV417 )
          | ~ ( relation @ SV417 ) )
        = $true )
      | ( ( ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SV417 @ SV178 ) ) )
          | ( ( apply @ ( relation_composition @ SV417 @ SV178 ) @ SV33 )
            = ( apply @ SV178 @ ( apply @ SV417 @ SV33 ) ) ) )
        = $true )
      | ( ( function @ SV178 )
        = $false )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2068]) ).

thf(2225,plain,
    ! [SV179: $i,SV34: $i,SV418: $i] :
      ( ( ( ~ ( function @ SV418 )
          | ~ ( relation @ SV418 ) )
        = $true )
      | ( ( ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
          | ( ( apply @ ( relation_composition @ SV179 @ SV418 ) @ SV34 )
            = ( apply @ SV418 @ ( apply @ SV179 @ SV34 ) ) ) )
        = $true )
      | ( ( function @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2069]) ).

thf(2226,plain,
    ! [SV254: $i,SV46: $i] :
      ( ( ( subset @ ( relation_rng @ SV46 ) @ ( relation_dom @ SV254 ) )
        = $false )
      | ( ( ( relation_dom @ ( relation_composition @ SV46 @ SV254 ) )
          = ( relation_dom @ SV46 ) )
        = $true )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV46 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2070]) ).

thf(2227,plain,
    ! [SV255: $i,SV48: $i] :
      ( ( ( subset @ ( relation_dom @ SV48 ) @ ( relation_rng @ SV255 ) )
        = $false )
      | ( ( ( relation_rng @ ( relation_composition @ SV255 @ SV48 ) )
          = ( relation_rng @ SV48 ) )
        = $true )
      | ( ( relation @ SV255 )
        = $false )
      | ( ( relation @ SV48 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2071]) ).

thf(2228,plain,
    ! [SV240: $i,SV50: $i,SV389: $i] :
      ( ( ( element @ SV389 @ SV50 )
        = $false )
      | ( ( ( in @ SV389 @ SV240 )
          | ( in @ SV389 @ ( subset_complement @ SV50 @ SV240 ) ) )
        = $true )
      | ( ( element @ SV240 @ ( powerset @ SV50 ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2072]) ).

thf(2229,plain,
    ! [SV51: $i,SV241: $i,SV189: $i] :
      ( ( ( in @ SV189 @ SV241 )
        = $false )
      | ( ( in @ SV189 @ ( subset_complement @ SV51 @ SV241 ) )
        = $false )
      | ( ( element @ SV241 @ ( powerset @ SV51 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2073]) ).

thf(2230,plain,
    ! [SV109: $i,SV223: $i,SV249: $i] :
      ( ( ( empty @ SV249 )
        = $false )
      | ( ( element @ SV223 @ ( powerset @ SV249 ) )
        = $false )
      | ( ( in @ SV109 @ SV223 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2078]) ).

thf(2231,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
              | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
              | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
          | ~ ~ ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
                    | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
                | ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
                    | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) ) )
        = $false )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2079]) ).

thf(2232,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1008: $i] :
                    ( ~ ( in @ SY1008 @ SV112 )
                    | ~ ( in @ SY1008 @ SV323 )
                    | ( in @ SY1008 @ SV391 ) )
              | ~ ~ ( ~ ! [SY1009: $i] :
                          ( ~ ( in @ SY1009 @ SV391 )
                          | ( in @ SY1009 @ SV112 ) )
                    | ~ ! [SY1010: $i] :
                          ( ~ ( in @ SY1010 @ SV391 )
                          | ( in @ SY1010 @ SV323 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2080]) ).

thf(2233,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( ! [SY952: $i] :
                  ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SY952 )
                  | ~ ( in @ SY952 @ SV258 ) )
              | ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) ) )
        = $false )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2081]) ).

thf(2234,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
                  | ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) )
              | ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) ) )
        = $false )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2081]) ).

thf(2235,plain,
    ! [SV325: $i,SV259: $i] :
      ( ( ( ~ ! [SY953: $i] :
                ( ! [SY881: $i] :
                    ( ~ ( in @ SY953 @ SY881 )
                    | ~ ( in @ SY881 @ SV259 ) )
                | ( in @ SY953 @ SV325 ) )
          | ~ ! [SY955: $i] :
                ( ~ ( in @ SY955 @ SV325 )
                | ~ ( ~ ( in @ SY955 @ ( sK46_D @ SY955 @ SV325 @ SV259 ) )
                    | ~ ( in @ ( sK46_D @ SY955 @ SV325 @ SV259 ) @ SV259 ) ) ) )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2082]) ).

thf(2236,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( relation @ SV463 )
          | ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
              | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) ) )
          | ( SV463
            = ( relation_rng_restriction @ SV113 @ SV225 ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2083]) ).

thf(2237,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ~ ( relation @ SV464 )
          | ( SV464
           != ( relation_rng_restriction @ SV113 @ SV225 ) )
          | ~ ( ~ ! [SY1094: $i,SY1095: $i] :
                    ( ~ ( in @ SY1095 @ SV113 )
                    | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
                    | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) )
              | ~ ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                          | ( in @ SY1097 @ SV113 ) )
                    | ~ ! [SY1098: $i,SY1099: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                          | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2084]) ).

thf(2238,plain,
    ! [SV326: $i,SV260: $i] :
      ( ( ( empty @ SV260 )
        = $false )
      | ( ( ~ ( relation @ SV326 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV326 @ SV260 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2085]) ).

thf(2239,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ( empty @ SV261 )
        = $false )
      | ( ( ~ ( relation @ SV327 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV327 @ SV261 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2086]) ).

thf(2240,plain,
    ! [SV419: $i,SV226: $i,SV392: $i,SV114: $i] :
      ( ( ( ~ ( in @ SV114 @ SV392 )
          | ~ ( in @ SV226 @ SV419 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV392 @ SV419 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2087]) ).

thf(2241,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ! [SY849: $i] :
            ( ! [SY850: $i] :
                ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY849 @ SY850 ) )
            | ( in @ SV114 @ SY849 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2088]) ).

thf(2242,plain,
    ! [SV226: $i,SV114: $i] :
      ( ( ! [SY851: $i,SY852: $i] :
            ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SY851 @ SY852 ) )
            | ( in @ SV226 @ SY852 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2089]) ).

thf(2243,plain,
    ! [SV262: $i,SV328: $i] :
      ( ( ( ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV262 ) )
        = $false )
      | ( ( disjoint @ SV262 @ SV328 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2090]) ).

thf(2244,plain,
    ! [SV262: $i,SV328: $i] :
      ( ( ( ~ ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV328 ) )
        = $false )
      | ( ( disjoint @ SV262 @ SV328 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2090]) ).

thf(2245,plain,
    ! [SV329: $i,SV263: $i,SV420: $i] :
      ( ( ( ~ ( in @ SV420 @ SV263 ) )
        = $true )
      | ( ( ~ ( in @ SV420 @ SV329 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV263 @ SV329 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2091]) ).

thf(2246,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ~ ( ( ( sK62_C @ SV330 @ SV264 )
               != SV264 )
              | ~ ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) ) )
        = $false )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2092]) ).

thf(2247,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ~ ( ( ( sK62_C @ SV330 @ SV264 )
                = SV264 )
              | ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) ) )
        = $false )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2092]) ).

thf(2248,plain,
    ! [SV331: $i,SV265: $i] :
      ( ( ( ~ ! [SY957: $i] :
                ( ( SY957 != SV265 )
                | ( in @ SY957 @ SV331 ) )
          | ~ ! [SY958: $i] :
                ( ~ ( in @ SY958 @ SV331 )
                | ( SY958 = SV265 ) ) )
        = $false )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2093]) ).

thf(2249,plain,
    ! [SV267: $i,SV421: $i] :
      ( ( ( in @ SV421 @ SV267 )
        = $false )
      | ( ( SV267 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2094]) ).

thf(2250,plain,
    ! [SV115: $i,SV332: $i] :
      ( ( ( subset @ SV332 @ ( sK42_B @ SV115 ) )
        = $false )
      | ( ( are_equipotent @ SV332 @ ( sK42_B @ SV115 ) )
        = $true )
      | ( ( in @ SV332 @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2095]) ).

thf(2251,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ~ ( ~ ! [SY1100: $i] :
                  ( ~ ( subset @ SY1100 @ SV465 )
                  | ( in @ SY1100 @ ( sK43_SY481 @ SV465 @ SV115 ) ) )
            | ~ ( in @ ( sK43_SY481 @ SV465 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
        | ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2096]) ).

thf(2252,plain,
    ! [SV115: $i] :
      ( ( ~ ! [SY633: $i,SY634: $i] :
              ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
              | ~ ( subset @ SY634 @ SY633 )
              | ( in @ SY634 @ ( sK42_B @ SV115 ) ) )
        | ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[2097]) ).

thf(2253,plain,
    ! [SV333: $i,SV268: $i] :
      ( ( ( SV268 = empty_set )
        = $true )
      | ( ( SV268
          = ( singleton @ SV333 ) )
        = $true )
      | ( ( subset @ SV268 @ ( singleton @ SV333 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2098]) ).

thf(2254,plain,
    ! [SV422: $i] :
      ( ( ( ( SV422 != empty_set ) )
        = $true )
      | ( ( ! [SY1033: $i] : ( subset @ SV422 @ ( singleton @ SY1033 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2099]) ).

thf(2255,plain,
    ! [SV466: $i,SV423: $i] :
      ( ( ( SV423
         != ( singleton @ SV466 ) )
        | ( subset @ SV423 @ ( singleton @ SV466 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2100]) ).

thf(2256,plain,
    ! [SV116: $i] :
      ( ( ( ~ ( ~ ! [SY635: $i] :
                    ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                    | ! [SY636: $i] :
                        ( ( SY636
                         != ( apply @ SV116 @ SY635 ) )
                        | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
              | ~ ! [SY637: $i] :
                    ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                    | ! [SY638: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                        | ( SY638
                          = ( apply @ SV116 @ SY637 ) ) ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2101]) ).

thf(2257,plain,
    ! [SV116: $i] :
      ( ( ( ~ ( ~ ! [SY639: $i] :
                    ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                    | ! [SY640: $i] :
                        ( ( SY640
                         != ( apply @ SV116 @ SY639 ) )
                        | ( SY640 = empty_set ) ) )
              | ~ ! [SY641: $i] :
                    ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                    | ! [SY642: $i] :
                        ( ( SY642 != empty_set )
                        | ( SY642
                          = ( apply @ SV116 @ SY641 ) ) ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2102]) ).

thf(2258,plain,
    ! [SV393: $i,SV334: $i,SV117: $i] :
      ( ( ( ~ ( ! [SY1012: $i,SY1013: $i] :
                  ( ~ ( in @ SY1012 @ SV117 )
                  | ~ ( in @ SY1013 @ SV334 )
                  | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                   != ( ordered_pair @ SY1012 @ SY1013 ) ) )
              | ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
          | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                        | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
                  | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                   != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) )
              | ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) ) )
        = $false )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2103]) ).

thf(2259,plain,
    ! [SV335: $i,SV117: $i,SV394: $i] :
      ( ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1014: $i] :
                    ( ! [SY964: $i,SY965: $i] :
                        ( ~ ( in @ SY964 @ SV117 )
                        | ~ ( in @ SY965 @ SV335 )
                        | ( SY1014
                         != ( ordered_pair @ SY964 @ SY965 ) ) )
                    | ( in @ SY1014 @ SV394 ) )
              | ~ ! [SY1017: $i] :
                    ( ~ ( in @ SY1017 @ SV394 )
                    | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                              | ~ ( in @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
                        | ( SY1017
                         != ( ordered_pair @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2104]) ).

thf(2260,plain,
    ! [SV271: $i] :
      ( ( ( ( relation_dom @ SV271 )
          = empty_set )
        = $false )
      | ( ( ( relation_rng @ SV271 )
          = empty_set )
        = $true )
      | ( ( relation @ SV271 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2107]) ).

thf(2261,plain,
    ! [SV272: $i] :
      ( ( ( ( relation_rng @ SV272 )
          = empty_set )
        = $false )
      | ( ( ( relation_dom @ SV272 )
          = empty_set )
        = $true )
      | ( ( relation @ SV272 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2108]) ).

thf(2262,plain,
    ! [SV118: $i,SV338: $i,SV395: $i] :
      ( ( ( ~ ( function @ SV395 ) )
        = $true )
      | ( ( ~ ( relation @ SV395 ) )
        = $true )
      | ( ( ( SV338
           != ( apply @ SV395 @ SV118 ) )
          | ~ ( in @ SV118 @ ( relation_dom @ SV395 ) )
          | ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2109]) ).

thf(2263,plain,
    ! [SV467: $i,SV118: $i] :
      ( ( ! [SY1101: $i] :
            ( ~ ( function @ SY1101 )
            | ~ ( relation @ SY1101 )
            | ~ ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SY1101 )
            | ( SV467
              = ( apply @ SY1101 @ SV118 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2110]) ).

thf(2264,plain,
    ! [SV468: $i,SV118: $i] :
      ( ( ! [SY1102: $i] :
            ( ~ ( function @ SY1102 )
            | ~ ( relation @ SY1102 )
            | ~ ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SY1102 )
            | ( in @ SV118 @ ( relation_dom @ SY1102 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2111]) ).

thf(2265,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                   != ( sK70_SY500 @ SV339 @ SV273 ) )
                  | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                  | ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
              | ~ ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                          = ( sK70_SY500 @ SV339 @ SV273 ) )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
                    | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                        | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) ) ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2112]) ).

thf(2266,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ( SV340
           != ( identity_relation @ SV274 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY968: $i,SY969: $i] :
                    ( ( SY968 != SY969 )
                    | ~ ( in @ SY968 @ SV274 )
                    | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) )
              | ~ ~ ( ~ ! [SY970: $i,SY971: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                          | ( SY970 = SY971 ) )
                    | ~ ! [SY972: $i] :
                          ( ! [SY973: $i] :
                              ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                          | ( in @ SY972 @ SV274 ) ) ) ) )
        = $true )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2113]) ).

thf(2267,plain,
    ! [SV120: $i,SV275: $i] :
      ( ( ( ~ ! [SY904: $i] :
                ( ~ ( relation @ SY904 )
                | ~ ( ~ ( ! [SY905: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ SY905 ) @ SV120 )
                            | ~ ( in @ ( ordered_pair @ SY905 @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) ) @ SV120 )
                            | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                        | ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) ) )
                | ( SY904
                  = ( relation_composition @ SV120 @ SV275 ) ) ) )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2114]) ).

thf(2268,plain,
    ! [SV275: $i,SV120: $i] :
      ( ( ( ~ ! [SY906: $i] :
                ( ~ ( relation @ SY906 )
                | ( SY906
                 != ( relation_composition @ SV120 @ SV275 ) )
                | ~ ( ~ ! [SY907: $i,SY908: $i] :
                          ( ! [SY909: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY907 @ SY909 ) @ SV120 )
                              | ~ ( in @ ( ordered_pair @ SY909 @ SY908 ) @ SV275 ) )
                          | ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SY906 ) )
                    | ~ ! [SY910: $i,SY911: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY910 @ SY911 ) @ SY906 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY910 @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) ) @ SV120 )
                              | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) @ SY911 ) @ SV275 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2114]) ).

thf(2269,plain,
    ! [SV227: $i,SV121: $i,SV469: $i] :
      ( ( ( ~ ( element @ SV469 @ ( powerset @ SV121 ) )
          | ~ ( disjoint @ SV227 @ SV469 )
          | ( subset @ SV227 @ ( subset_complement @ SV121 @ SV469 ) ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2115]) ).

thf(2270,plain,
    ! [SV227: $i,SV121: $i,SV470: $i] :
      ( ( ( ~ ( element @ SV470 @ ( powerset @ SV121 ) )
          | ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SV470 ) )
          | ( disjoint @ SV227 @ SV470 ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2116]) ).

thf(2271,plain,
    ! [SV341: $i,SV122: $i,SV396: $i] :
      ( ( ( relation @ SV396 )
        = $false )
      | ( ( ~ ( in @ SV122 @ SV341 )
          | ~ ( in @ SV122 @ ( relation_rng @ SV396 ) )
          | ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SV396 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2117]) ).

thf(2272,plain,
    ! [SV471: $i,SV122: $i] :
      ( ( ! [SY1103: $i] :
            ( ~ ( relation @ SY1103 )
            | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV471 @ SY1103 ) ) )
            | ( in @ SV122 @ SV471 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2118]) ).

thf(2273,plain,
    ! [SV472: $i,SV122: $i] :
      ( ( ! [SY1104: $i] :
            ( ~ ( relation @ SY1104 )
            | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV472 @ SY1104 ) ) )
            | ( in @ SV122 @ ( relation_rng @ SY1104 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2119]) ).

thf(2274,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( relation @ SV473 )
          | ~ ( ~ ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
              | ~ ~ ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) ) )
          | ( SV473
            = ( relation_dom_restriction @ SV123 @ SV424 ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2120]) ).

thf(2275,plain,
    ! [SV425: $i,SV123: $i,SV474: $i] :
      ( ( ( ~ ( relation @ SV474 )
          | ( SV474
           != ( relation_dom_restriction @ SV123 @ SV425 ) )
          | ~ ( ~ ! [SY1105: $i,SY1106: $i] :
                    ( ~ ( in @ SY1105 @ SV425 )
                    | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) )
              | ~ ~ ( ~ ! [SY1107: $i] :
                          ( ! [SY1108: $i] :
                              ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                          | ( in @ SY1107 @ SV425 ) )
                    | ~ ! [SY1109: $i,SY1110: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                          | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2121]) ).

thf(2276,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( relation @ SV426 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) ) )
          | ( SV426
            = ( relation_inverse @ SV124 ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2122]) ).

thf(2277,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( ~ ( relation @ SV427 ) )
        = $true )
      | ( ( ( SV427
           != ( relation_inverse @ SV124 ) )
          | ~ ( ~ ! [SY1043: $i,SY1044: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
                    | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) )
              | ~ ! [SY1045: $i,SY1046: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
                    | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2123]) ).

thf(2278,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( function @ SV348 )
        = $false )
      | ( ( ~ ( relation @ SV348 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
              | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
                   != ( sK38_C @ SV348 @ SV282 ) ) ) )
          | ( ( relation_dom @ SV348 )
           != SV282 )
          | ( SV348
            = ( identity_relation @ SV282 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2130]) ).

thf(2279,plain,
    ! [SV428: $i,SV475: $i] :
      ( ( ~ ( function @ SV475 )
        | ~ ( relation @ SV475 )
        | ( SV475
         != ( identity_relation @ SV428 ) )
        | ! [SY1111: $i] :
            ( ~ ( in @ SY1111 @ SV428 )
            | ( ( apply @ SV475 @ SY1111 )
              = SY1111 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2131]) ).

thf(2280,plain,
    ! [SV429: $i,SV476: $i] :
      ( ( ~ ( function @ SV476 )
        | ~ ( relation @ SV476 )
        | ( SV476
         != ( identity_relation @ SV429 ) )
        | ( ( relation_dom @ SV476 )
          = SV429 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2132]) ).

thf(2281,plain,
    ! [SV351: $i,SV285: $i] :
      ( ( ( subset @ SV285 @ SV351 )
        = $false )
      | ( ( ~ ( subset @ SV351 @ SV285 ) )
        = $true )
      | ( ( SV285 = SV351 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2135]) ).

thf(2282,plain,
    ! [SV477: $i,SV430: $i] :
      ( ( ( SV430 != SV477 )
        | ( subset @ SV430 @ SV477 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2136]) ).

thf(2283,plain,
    ! [SV478: $i,SV431: $i] :
      ( ( ( SV431 != SV478 )
        | ( subset @ SV478 @ SV431 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2137]) ).

thf(2284,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( ~ ( ! [SY1112: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1112 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                      | ~ ( in @ SY1112 @ SV432 ) )
                  | ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                      | ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) )
                  | ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) ) )
          | ( SV479
            = ( relation_image @ SV125 @ SV432 ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2138]) ).

thf(2285,plain,
    ! [SV433: $i,SV125: $i,SV480: $i] :
      ( ( ( ( SV480
           != ( relation_image @ SV125 @ SV433 ) )
          | ~ ( ~ ! [SY1113: $i] :
                    ( ! [SY1056: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1056 @ SY1113 ) @ SV125 )
                        | ~ ( in @ SY1056 @ SV433 ) )
                    | ( in @ SY1113 @ SV480 ) )
              | ~ ! [SY1115: $i] :
                    ( ~ ( in @ SY1115 @ SV480 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SY1115 ) @ SV125 )
                        | ~ ( in @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2139]) ).

thf(2286,plain,
    ! [SV352: $i,SV126: $i,SV397: $i] :
      ( ( ( relation @ SV397 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV126 @ SV352 ) @ SV397 )
          | ( in @ SV126 @ ( relation_field @ SV397 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2140]) ).

thf(2287,plain,
    ! [SV353: $i,SV126: $i,SV398: $i] :
      ( ( ( relation @ SV398 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV126 @ SV353 ) @ SV398 )
          | ( in @ SV353 @ ( relation_field @ SV398 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2141]) ).

thf(2288,plain,
    ! [SV228: $i,SV399: $i,SV127: $i,SV434: $i] :
      ( ( ( ~ ( relation @ SV434 ) )
        = $true )
      | ( ( ~ ( in @ SV127 @ SV399 )
          | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV434 )
          | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SV434 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2142]) ).

thf(2289,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ! [SY857: $i,SY858: $i] :
            ( ~ ( relation @ SY858 )
            | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY857 ) @ SY858 ) )
            | ( in @ SV127 @ SY857 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2143]) ).

thf(2290,plain,
    ! [SV228: $i,SV127: $i] :
      ( ( ! [SY859: $i,SY860: $i] :
            ( ~ ( relation @ SY860 )
            | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SY859 ) @ SY860 ) )
            | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY860 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2144]) ).

thf(2291,plain,
    ! [SV356: $i,SV400: $i,SV128: $i] :
      ( ( ( ~ ( in @ SV128 @ SV400 ) )
        = $true )
      | ( ( ~ ( in @ SV356 @ SV400 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV128 @ SV356 ) @ SV400 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2147]) ).

thf(2292,plain,
    ! [SV481: $i,SV128: $i] :
      ( ( ! [SY1116: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV128 @ SV481 ) @ SY1116 )
            | ( in @ SV128 @ SY1116 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2148]) ).

thf(2293,plain,
    ! [SV482: $i,SV128: $i] :
      ( ( ! [SY1117: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV128 @ SV482 ) @ SY1117 )
            | ( in @ SV482 @ SY1117 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2149]) ).

thf(2294,plain,
    ! [SV435: $i] :
      ( ( ( empty @ SV435 )
        = $true )
      | ( ( ! [SY1058: $i] :
              ( ~ ( element @ SY1058 @ SV435 )
              | ( in @ SY1058 @ SV435 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2150]) ).

thf(2295,plain,
    ! [SV436: $i] :
      ( ( ( empty @ SV436 )
        = $true )
      | ( ( ! [SY1059: $i] :
              ( ~ ( in @ SY1059 @ SV436 )
              | ( element @ SY1059 @ SV436 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2151]) ).

thf(2296,plain,
    ! [SV437: $i] :
      ( ( ( ~ ( empty @ SV437 ) )
        = $true )
      | ( ( ! [SY1060: $i] :
              ( ~ ( element @ SY1060 @ SV437 )
              | ( empty @ SY1060 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2152]) ).

thf(2297,plain,
    ! [SV438: $i] :
      ( ( ( ~ ( empty @ SV438 ) )
        = $true )
      | ( ( ! [SY1061: $i] :
              ( ~ ( empty @ SY1061 )
              | ( element @ SY1061 @ SV438 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2153]) ).

thf(2298,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ~ ( ~ ( ! [SY1062: $i] :
                      ~ ( in @ ( ordered_pair @ SY1062 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
                  | ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SV439 @ SV129 ) @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
                  | ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) ) ) )
        = $true )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2154]) ).

thf(2299,plain,
    ! [SV129: $i,SV440: $i] :
      ( ( ( ( SV440
           != ( relation_rng @ SV129 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1063: $i] :
                    ( ! [SY722: $i] :
                        ~ ( in @ ( ordered_pair @ SY722 @ SY1063 ) @ SV129 )
                    | ( in @ SY1063 @ SV440 ) )
              | ~ ! [SY1065: $i] :
                    ( ~ ( in @ SY1065 @ SV440 )
                    | ( in @ ( ordered_pair @ ( sK18_D @ SY1065 @ SV440 @ SV129 ) @ SY1065 ) @ SV129 ) ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2155]) ).

thf(2300,plain,
    ! [SV288: $i,SV357: $i] :
      ( ( ( in @ SV357 @ SV288 )
        = $false )
      | ( ( ( set_difference @ SV288 @ ( singleton @ SV357 ) )
          = SV288 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2156]) ).

thf(2301,plain,
    ! [SV360: $i,SV293: $i,SV441: $i] :
      ( ( ( in @ SV441 @ ( set_intersection2 @ SV293 @ SV360 ) )
        = $false )
      | ( ( ~ ( disjoint @ SV293 @ SV360 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2157]) ).

thf(2302,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( ~ ( ! [SY1118: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SY1118 ) @ SV131 )
                      | ~ ( in @ SY1118 @ SV442 ) )
                  | ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
                      | ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) )
                  | ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) ) )
          | ( SV483
            = ( relation_inverse_image @ SV131 @ SV442 ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2159]) ).

thf(2303,plain,
    ! [SV443: $i,SV131: $i,SV484: $i] :
      ( ( ( ( SV484
           != ( relation_inverse_image @ SV131 @ SV443 ) )
          | ~ ( ~ ! [SY1119: $i] :
                    ( ! [SY1070: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1119 @ SY1070 ) @ SV131 )
                        | ~ ( in @ SY1070 @ SV443 ) )
                    | ( in @ SY1119 @ SV484 ) )
              | ~ ! [SY1121: $i] :
                    ( ~ ( in @ SY1121 @ SV484 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1121 @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
                        | ~ ( in @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2160]) ).

thf(2304,plain,
    ! [SV296: $i] :
      ( ( ( ! [SY931: $i,SY932: $i] :
              ( ( sK68_B @ SV296 )
             != ( ordered_pair @ SY931 @ SY932 ) ) )
        = $true )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2163]) ).

thf(2305,plain,
    ! [SV296: $i] :
      ( ( ( in @ ( sK68_B @ SV296 ) @ SV296 )
        = $true )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2164]) ).

thf(2306,plain,
    ! [SV297: $i,SV444: $i] :
      ( ( ( SV444
          = ( ordered_pair @ ( sK66_C @ SV444 @ SV297 ) @ ( sK67_SY497 @ SV444 @ SV297 ) ) )
        = $true )
      | ( ( ~ ( in @ SV444 @ SV297 ) )
        = $true )
      | ( ( relation @ SV297 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2165]) ).

thf(2307,plain,
    ! [SV363: $i,SV132: $i,SV401: $i] :
      ( ( ( relation @ SV401 )
        = $false )
      | ( ( ~ ( in @ SV132 @ SV363 )
          | ~ ( in @ SV132 @ ( relation_dom @ SV401 ) )
          | ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV401 @ SV363 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2166]) ).

thf(2308,plain,
    ! [SV485: $i,SV132: $i] :
      ( ( ! [SY1122: $i] :
            ( ~ ( relation @ SY1122 )
            | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY1122 @ SV485 ) ) )
            | ( in @ SV132 @ SV485 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2167]) ).

thf(2309,plain,
    ! [SV486: $i,SV132: $i] :
      ( ( ! [SY1123: $i] :
            ( ~ ( relation @ SY1123 )
            | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SY1123 @ SV486 ) ) )
            | ( in @ SV132 @ ( relation_dom @ SY1123 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2168]) ).

thf(2310,plain,
    ! [SV364: $i,SV133: $i,SV402: $i] :
      ( ( ( relation @ SV402 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV133 @ SV364 ) @ SV402 )
          | ( in @ SV133 @ ( relation_dom @ SV402 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2169]) ).

thf(2311,plain,
    ! [SV365: $i,SV133: $i,SV403: $i] :
      ( ( ( relation @ SV403 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV133 @ SV365 ) @ SV403 )
          | ( in @ SV365 @ ( relation_rng @ SV403 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2170]) ).

thf(2312,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ~ ( ~ ( ! [SY1072: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SY1072 ) @ SV134 )
                  | ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ ( sK23_SY466 @ SV445 @ SV134 ) ) @ SV134 )
                  | ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) ) ) )
        = $true )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2171]) ).

thf(2313,plain,
    ! [SV134: $i,SV446: $i] :
      ( ( ( ( SV446
           != ( relation_dom @ SV134 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1073: $i] :
                    ( ! [SY747: $i] :
                        ~ ( in @ ( ordered_pair @ SY1073 @ SY747 ) @ SV134 )
                    | ( in @ SY1073 @ SV446 ) )
              | ~ ! [SY1075: $i] :
                    ( ~ ( in @ SY1075 @ SV446 )
                    | ( in @ ( ordered_pair @ SY1075 @ ( sK21_D @ SY1075 @ SV446 @ SV134 ) ) @ SV134 ) ) ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2172]) ).

thf(2314,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                    | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                     != SV135 ) )
                | ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                    | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                     != SV366 ) ) )
          | ~ ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                = SV135 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                = SV366 ) ) )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2173]) ).

thf(2315,plain,
    ! [SV367: $i,SV135: $i,SV405: $i] :
      ( ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1019: $i] :
                    ( ~ ( in @ SY1019 @ SV405 )
                    | ( SY1019 = SV135 )
                    | ( SY1019 = SV367 ) )
              | ~ ~ ( ~ ! [SY1020: $i] :
                          ( ( SY1020 != SV135 )
                          | ( in @ SY1020 @ SV405 ) )
                    | ~ ! [SY1021: $i] :
                          ( ( SY1021 != SV367 )
                          | ( in @ SY1021 @ SV405 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2174]) ).

thf(2316,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( relation @ SV447 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) ) )
          | ( SV136 = SV447 ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2175]) ).

thf(2317,plain,
    ! [SV136: $i,SV448: $i] :
      ( ( ( ~ ( relation @ SV448 ) )
        = $true )
      | ( ( ( SV136 != SV448 )
          | ~ ( ~ ! [SY1076: $i,SY1077: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
                    | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) )
              | ~ ! [SY1078: $i,SY1079: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
                    | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2176]) ).

thf(2318,plain,
    ! [SV368: $i,SV298: $i] :
      ( ( ( ~ ( function @ SV298 )
          | ~ ( relation @ SV298 ) )
        = $true )
      | ( ( ~ ( relation @ SV368 ) )
        = $true )
      | ( ( ~ ( function @ SV368 ) )
        = $true )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2177]) ).

thf(2319,plain,
    ! [SV369: $i,SV299: $i] :
      ( ( ( ~ ( function @ SV299 )
          | ~ ( relation @ SV299 ) )
        = $true )
      | ( ( ~ ( relation @ SV369 ) )
        = $true )
      | ( ( ~ ( function @ SV369 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2178]) ).

thf(2320,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ~ ! [SY861: $i] :
                ( ~ ( function @ SY861 )
                | ~ ( relation @ SY861 )
                | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
                | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
                | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) ) )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2179]) ).

thf(2321,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ~ ~ ( ~ ! [SY862: $i] :
                      ( ~ ( function @ SY862 )
                      | ~ ( relation @ SY862 )
                      | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                      | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
                | ~ ! [SY863: $i] :
                      ( ~ ( function @ SY863 )
                      | ~ ( relation @ SY863 )
                      | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                      | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2179]) ).

thf(2322,plain,
    ! [SV138: $i,SV370: $i] :
      ( ( ( subset @ SV370 @ ( sK41_B @ SV138 ) )
        = $false )
      | ( ( are_equipotent @ SV370 @ ( sK41_B @ SV138 ) )
        = $true )
      | ( ( in @ SV370 @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2180]) ).

thf(2323,plain,
    ! [SV138: $i,SV487: $i] :
      ( ( ~ ( in @ SV487 @ ( sK41_B @ SV138 ) )
        | ( in @ ( powerset @ SV487 ) @ ( sK41_B @ SV138 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2181]) ).

thf(2324,plain,
    ! [SV138: $i] :
      ( ( ~ ! [SY768: $i,SY769: $i] :
              ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
              | ~ ( subset @ SY769 @ SY768 )
              | ( in @ SY769 @ ( sK41_B @ SV138 ) ) )
        | ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[2182]) ).

thf(2325,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( ~ ( relation @ SV449 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV139 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 ) )
          | ( subset @ SV139 @ SV449 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2183]) ).

thf(2326,plain,
    ! [SV139: $i,SV450: $i] :
      ( ( ( ~ ( relation @ SV450 ) )
        = $true )
      | ( ( ~ ( subset @ SV139 @ SV450 )
          | ! [SY1080: $i,SY1081: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV139 )
              | ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV450 ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2184]) ).

thf(2327,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
              | ~ ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) ) )
        = $false )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2185]) ).

thf(2328,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( ~ ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
              | ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) ) )
        = $false )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2185]) ).

thf(2329,plain,
    ! [SV301: $i,SV372: $i] :
      ( ( ( ~ ! [SY987: $i] :
                ( ~ ( in @ SY987 @ SV372 )
                | ( subset @ SY987 @ SV301 ) )
          | ~ ! [SY988: $i] :
                ( ~ ( subset @ SY988 @ SV301 )
                | ( in @ SY988 @ SV372 ) ) )
        = $false )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2186]) ).

thf(2330,plain,
    ! [SV373: $i,SV302: $i] :
      ( ( ( empty @ SV302 )
        = $false )
      | ( ( ~ ( relation @ SV373 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV302 @ SV373 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2187]) ).

thf(2331,plain,
    ! [SV374: $i,SV303: $i] :
      ( ( ( empty @ SV303 )
        = $false )
      | ( ( ~ ( relation @ SV374 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV303 @ SV374 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2188]) ).

thf(2332,plain,
    ! [SV140: $i,SV451: $i] :
      ( ( ( ~ ( relation @ SV451 ) )
        = $true )
      | ( ( ~ ( subset @ SV140 @ SV451 )
          | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SV451 ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2189]) ).

thf(2333,plain,
    ! [SV140: $i,SV452: $i] :
      ( ( ( ~ ( relation @ SV452 ) )
        = $true )
      | ( ( ~ ( subset @ SV140 @ SV452 )
          | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SV452 ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2190]) ).

thf(2334,plain,
    ! [SV375: $i,SV142: $i,SV406: $i] :
      ( ( ( relation @ SV406 )
        = $false )
      | ( ( ! [SY1022: $i] :
              ( ~ ( in @ SY1022 @ ( relation_rng @ SV406 ) )
              | ~ ( in @ ( ordered_pair @ SV142 @ SY1022 ) @ SV406 )
              | ~ ( in @ SY1022 @ SV375 ) )
          | ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2191]) ).

thf(2335,plain,
    ! [SV376: $i,SV142: $i,SV407: $i] :
      ( ( ( relation @ SV407 )
        = $false )
      | ( ( ~ ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
                    | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
              | ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2192]) ).

thf(2336,plain,
    ! [SV453: $i] :
      ( ( ( SV453 = empty_set )
        = $true )
      | ( ( ! [SY1082: $i] :
              ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SY1082 @ SV453 ) @ SV453 )
                          | ~ ~ ( in @ ( sK64_C @ SY1082 @ SV453 ) @ ( sK65_SY495 @ SY1082 @ SV453 ) ) )
                      | ~ ( in @ ( sK64_C @ SY1082 @ SV453 ) @ SY1082 ) )
                  | ~ ( ! [SY1083: $i] :
                          ( ~ ( in @ SY1083 @ SV453 )
                          | ( in @ ( sK64_C @ SY1082 @ SV453 ) @ SY1083 ) )
                      | ( in @ ( sK64_C @ SY1082 @ SV453 ) @ SY1082 ) ) )
              | ( SY1082
                = ( set_meet @ SV453 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2193]) ).

thf(2337,plain,
    ! [SV454: $i] :
      ( ( ( SV454 = empty_set )
        = $true )
      | ( ( ! [SY1084: $i] :
              ( ( SY1084
               != ( set_meet @ SV454 ) )
              | ~ ( ~ ! [SY1085: $i] :
                        ( ~ ( ~ ( in @ ( sK63_D @ SY1085 @ SY1084 @ SV454 ) @ SV454 )
                            | ~ ~ ( in @ SY1085 @ ( sK63_D @ SY1085 @ SY1084 @ SV454 ) ) )
                        | ( in @ SY1085 @ SY1084 ) )
                  | ~ ! [SY1086: $i] :
                        ( ~ ( in @ SY1086 @ SY1084 )
                        | ! [SY1087: $i] :
                            ( ~ ( in @ SY1087 @ SV454 )
                            | ( in @ SY1086 @ SY1087 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2194]) ).

thf(2338,plain,
    ! [SV455: $i] :
      ( ( ( ( SV455 != empty_set ) )
        = $true )
      | ( ( ! [SY1088: $i] :
              ( ( SY1088
               != ( set_meet @ SV455 ) )
              | ( SY1088 = empty_set ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2195]) ).

thf(2339,plain,
    ! [SV456: $i] :
      ( ( ( ( SV456 != empty_set ) )
        = $true )
      | ( ( ! [SY1089: $i] :
              ( ( SY1089 != empty_set )
              | ( SY1089
                = ( set_meet @ SV456 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2196]) ).

thf(2340,plain,
    ! [SV377: $i,SV308: $i] :
      ( ( ( subset @ SV308 @ SV377 )
        = $false )
      | ( ( SV308 = SV377 )
        = $true )
      | ( ( proper_subset @ SV308 @ SV377 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2197]) ).

thf(2341,plain,
    ! [SV488: $i,SV457: $i] :
      ( ( ~ ( proper_subset @ SV457 @ SV488 )
        | ( SV457 != SV488 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2198]) ).

thf(2342,plain,
    ! [SV489: $i,SV458: $i] :
      ( ( ~ ( proper_subset @ SV458 @ SV489 )
        | ( subset @ SV458 @ SV489 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2199]) ).

thf(2343,plain,
    ! [SV459: $i,SV231: $i,SV408: $i,SV143: $i] :
      ( ( ( ~ ( in @ SV143 @ SV408 )
          | ~ ( in @ SV231 @ SV459 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV408 @ SV459 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2200]) ).

thf(2344,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ! [SY866: $i] :
            ( ! [SY867: $i] :
                ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY866 @ SY867 ) )
            | ( in @ SV143 @ SY866 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2201]) ).

thf(2345,plain,
    ! [SV231: $i,SV143: $i] :
      ( ( ! [SY868: $i,SY869: $i] :
            ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SY868 @ SY869 ) )
            | ( in @ SV231 @ SY869 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2202]) ).

thf(2346,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                    | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
                | ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                    | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
          | ~ ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
              | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
              | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2203]) ).

thf(2347,plain,
    ! [SV379: $i,SV144: $i,SV410: $i] :
      ( ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1024: $i] :
                    ( ~ ( in @ SY1024 @ SV410 )
                    | ( in @ SY1024 @ SV144 )
                    | ( in @ SY1024 @ SV379 ) )
              | ~ ~ ( ~ ! [SY1025: $i] :
                          ( ~ ( in @ SY1025 @ SV144 )
                          | ( in @ SY1025 @ SV410 ) )
                    | ~ ! [SY1026: $i] :
                          ( ~ ( in @ SY1026 @ SV379 )
                          | ( in @ SY1026 @ SV410 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2204]) ).

thf(2348,plain,
    ! [SV380: $i,SV145: $i,SV411: $i] :
      ( ( ( relation @ SV411 )
        = $false )
      | ( ( ! [SY1027: $i] :
              ( ~ ( in @ SY1027 @ ( relation_dom @ SV411 ) )
              | ~ ( in @ ( ordered_pair @ SY1027 @ SV145 ) @ SV411 )
              | ~ ( in @ SY1027 @ SV380 ) )
          | ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2205]) ).

thf(2349,plain,
    ! [SV381: $i,SV145: $i,SV412: $i] :
      ( ( ( relation @ SV412 )
        = $false )
      | ( ( ~ ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
                    | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
              | ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2206]) ).

thf(2350,plain,
    ! [SV382: $i,SV490: $i,SV146: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV146 @ SV490 ) @ ( cartesian_product2 @ SV382 @ SV490 ) )
        = $true )
      | ( ( subset @ SV146 @ SV382 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2207]) ).

thf(2351,plain,
    ! [SV383: $i,SV146: $i,SV491: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV491 @ SV146 ) @ ( cartesian_product2 @ SV491 @ SV383 ) )
        = $true )
      | ( ( subset @ SV146 @ SV383 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2208]) ).

thf(2352,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
        = $false )
      | ( ( ~ ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 ) )
        = $true )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2209]) ).

thf(2353,plain,
    ! [SV384: $i,SV311: $i] :
      ( ( ( SV311 = empty_set )
        = $true )
      | ( ( SV311
          = ( singleton @ SV384 ) )
        = $true )
      | ( ( subset @ SV311 @ ( singleton @ SV384 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2211]) ).

thf(2354,plain,
    ! [SV460: $i] :
      ( ( ( ( SV460 != empty_set ) )
        = $true )
      | ( ( ! [SY1092: $i] : ( subset @ SV460 @ ( singleton @ SY1092 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2212]) ).

thf(2355,plain,
    ! [SV492: $i,SV461: $i] :
      ( ( ( SV461
         != ( singleton @ SV492 ) )
        | ( subset @ SV461 @ ( singleton @ SV492 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2213]) ).

thf(2356,plain,
    ! [SV493: $i,SV413: $i,SV233: $i,SV148: $i] :
      ( ( ( ( ( ordered_pair @ SV148 @ SV233 )
           != ( ordered_pair @ SV413 @ SV493 ) ) )
        = $true )
      | ( ( SV148 = SV413 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2214]) ).

thf(2357,plain,
    ! [SV462: $i,SV414: $i,SV233: $i,SV148: $i] :
      ( ( ( ( ( ordered_pair @ SV148 @ SV233 )
           != ( ordered_pair @ SV414 @ SV462 ) ) )
        = $true )
      | ( ( SV233 = SV462 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2215]) ).

thf(2358,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ( ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV312 ) )
        = $false )
      | ( ( subset @ SV312 @ SV385 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2216]) ).

thf(2359,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ( ~ ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV385 ) )
        = $false )
      | ( ( subset @ SV312 @ SV385 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2216]) ).

thf(2360,plain,
    ! [SV386: $i,SV313: $i,SV494: $i] :
      ( ( ( ~ ( in @ SV494 @ SV313 )
          | ( in @ SV494 @ SV386 ) )
        = $true )
      | ( ( subset @ SV313 @ SV386 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2217]) ).

thf(2361,plain,
    ! [SV314: $i] :
      ( ( ( ( relation_dom @ SV314 )
          = empty_set )
        = $false )
      | ( ( SV314 = empty_set )
        = $true )
      | ( ( relation @ SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2218]) ).

thf(2362,plain,
    ! [SV315: $i] :
      ( ( ( ( relation_rng @ SV315 )
          = empty_set )
        = $false )
      | ( ( SV315 = empty_set )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2219]) ).

thf(2363,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
              | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
              | ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
          | ~ ~ ( ~ ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
                    | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
                | ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
                    | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) ) )
        = $false )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2220]) ).

thf(2364,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1030: $i] :
                    ( ~ ( in @ SY1030 @ SV149 )
                    | ( in @ SY1030 @ SV388 )
                    | ( in @ SY1030 @ SV416 ) )
              | ~ ~ ( ~ ! [SY1031: $i] :
                          ( ~ ( in @ SY1031 @ SV416 )
                          | ( in @ SY1031 @ SV149 ) )
                    | ~ ! [SY1032: $i] :
                          ( ~ ( in @ SY1032 @ SV416 )
                          | ~ ( in @ SY1032 @ SV388 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2221]) ).

thf(2365,plain,
    ! [SV178: $i,SV33: $i,SV417: $i] :
      ( ( ( ~ ( function @ SV417 ) )
        = $true )
      | ( ( ~ ( relation @ SV417 ) )
        = $true )
      | ( ( ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SV417 @ SV178 ) ) )
          | ( ( apply @ ( relation_composition @ SV417 @ SV178 ) @ SV33 )
            = ( apply @ SV178 @ ( apply @ SV417 @ SV33 ) ) ) )
        = $true )
      | ( ( function @ SV178 )
        = $false )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2224]) ).

thf(2366,plain,
    ! [SV179: $i,SV34: $i,SV418: $i] :
      ( ( ( ~ ( function @ SV418 ) )
        = $true )
      | ( ( ~ ( relation @ SV418 ) )
        = $true )
      | ( ( ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
          | ( ( apply @ ( relation_composition @ SV179 @ SV418 ) @ SV34 )
            = ( apply @ SV418 @ ( apply @ SV179 @ SV34 ) ) ) )
        = $true )
      | ( ( function @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2225]) ).

thf(2367,plain,
    ! [SV50: $i,SV240: $i,SV389: $i] :
      ( ( ( in @ SV389 @ SV240 )
        = $true )
      | ( ( in @ SV389 @ ( subset_complement @ SV50 @ SV240 ) )
        = $true )
      | ( ( element @ SV389 @ SV50 )
        = $false )
      | ( ( element @ SV240 @ ( powerset @ SV50 ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2228]) ).

thf(2368,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
              | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
              | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) )
        = $false )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2231]) ).

thf(2369,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
                    | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
                | ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
                    | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) ) )
        = $false )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2231]) ).

thf(2370,plain,
    ! [SV391: $i,SV323: $i,SV112: $i] :
      ( ( ( ~ ! [SY1008: $i] :
                ( ~ ( in @ SY1008 @ SV112 )
                | ~ ( in @ SY1008 @ SV323 )
                | ( in @ SY1008 @ SV391 ) )
          | ~ ~ ( ~ ! [SY1009: $i] :
                      ( ~ ( in @ SY1009 @ SV391 )
                      | ( in @ SY1009 @ SV112 ) )
                | ~ ! [SY1010: $i] :
                      ( ~ ( in @ SY1010 @ SV391 )
                      | ( in @ SY1010 @ SV323 ) ) ) )
        = $false )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2232]) ).

thf(2371,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ! [SY952: $i] :
              ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SY952 )
              | ~ ( in @ SY952 @ SV258 ) )
          | ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2233]) ).

thf(2372,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
              | ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) )
          | ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2234]) ).

thf(2373,plain,
    ! [SV325: $i,SV259: $i] :
      ( ( ( ~ ! [SY953: $i] :
                ( ! [SY881: $i] :
                    ( ~ ( in @ SY953 @ SY881 )
                    | ~ ( in @ SY881 @ SV259 ) )
                | ( in @ SY953 @ SV325 ) ) )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2235]) ).

thf(2374,plain,
    ! [SV259: $i,SV325: $i] :
      ( ( ( ~ ! [SY955: $i] :
                ( ~ ( in @ SY955 @ SV325 )
                | ~ ( ~ ( in @ SY955 @ ( sK46_D @ SY955 @ SV325 @ SV259 ) )
                    | ~ ( in @ ( sK46_D @ SY955 @ SV325 @ SV259 ) @ SV259 ) ) ) )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2235]) ).

thf(2375,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( relation @ SV463 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
              | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) ) )
          | ( SV463
            = ( relation_rng_restriction @ SV113 @ SV225 ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2236]) ).

thf(2376,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ~ ( relation @ SV464 ) )
        = $true )
      | ( ( ( SV464
           != ( relation_rng_restriction @ SV113 @ SV225 ) )
          | ~ ( ~ ! [SY1094: $i,SY1095: $i] :
                    ( ~ ( in @ SY1095 @ SV113 )
                    | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
                    | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) )
              | ~ ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                          | ( in @ SY1097 @ SV113 ) )
                    | ~ ! [SY1098: $i,SY1099: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                          | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2237]) ).

thf(2377,plain,
    ! [SV260: $i,SV326: $i] :
      ( ( ( relation @ SV326 )
        = $false )
      | ( ( empty @ SV260 )
        = $false )
      | ( ( empty @ ( relation_composition @ SV326 @ SV260 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2238]) ).

thf(2378,plain,
    ! [SV261: $i,SV327: $i] :
      ( ( ( relation @ SV327 )
        = $false )
      | ( ( empty @ SV261 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV327 @ SV261 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2239]) ).

thf(2379,plain,
    ! [SV419: $i,SV226: $i,SV392: $i,SV114: $i] :
      ( ( ( ~ ( in @ SV114 @ SV392 ) )
        = $true )
      | ( ( ~ ( in @ SV226 @ SV419 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV392 @ SV419 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2240]) ).

thf(2380,plain,
    ! [SV495: $i,SV226: $i,SV114: $i] :
      ( ( ! [SY1124: $i] :
            ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV495 @ SY1124 ) )
        | ( in @ SV114 @ SV495 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2241]) ).

thf(2381,plain,
    ! [SV496: $i,SV226: $i,SV114: $i] :
      ( ( ! [SY1125: $i] :
            ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV496 @ SY1125 ) )
            | ( in @ SV226 @ SY1125 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2242]) ).

thf(2382,plain,
    ! [SV262: $i,SV328: $i] :
      ( ( ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV262 )
        = $true )
      | ( ( disjoint @ SV262 @ SV328 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2243]) ).

thf(2383,plain,
    ! [SV262: $i,SV328: $i] :
      ( ( ( in @ ( sK72_C @ SV328 @ SV262 ) @ SV328 )
        = $true )
      | ( ( disjoint @ SV262 @ SV328 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2244]) ).

thf(2384,plain,
    ! [SV329: $i,SV263: $i,SV420: $i] :
      ( ( ( in @ SV420 @ SV263 )
        = $false )
      | ( ( ~ ( in @ SV420 @ SV329 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV263 @ SV329 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2245]) ).

thf(2385,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ( ( sK62_C @ SV330 @ SV264 )
           != SV264 )
          | ~ ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) )
        = $true )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2246]) ).

thf(2386,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ( ( sK62_C @ SV330 @ SV264 )
            = SV264 )
          | ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) )
        = $true )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2247]) ).

thf(2387,plain,
    ! [SV331: $i,SV265: $i] :
      ( ( ( ~ ! [SY957: $i] :
                ( ( SY957 != SV265 )
                | ( in @ SY957 @ SV331 ) ) )
        = $false )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2248]) ).

thf(2388,plain,
    ! [SV265: $i,SV331: $i] :
      ( ( ( ~ ! [SY958: $i] :
                ( ~ ( in @ SY958 @ SV331 )
                | ( SY958 = SV265 ) ) )
        = $false )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2248]) ).

thf(2389,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ( ~ ( ~ ! [SY1100: $i] :
                    ( ~ ( subset @ SY1100 @ SV465 )
                    | ( in @ SY1100 @ ( sK43_SY481 @ SV465 @ SV115 ) ) )
              | ~ ( in @ ( sK43_SY481 @ SV465 @ SV115 ) @ ( sK42_B @ SV115 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2251]) ).

thf(2390,plain,
    ! [SV115: $i] :
      ( ( ~ ! [SY633: $i,SY634: $i] :
              ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
              | ~ ( subset @ SY634 @ SY633 )
              | ( in @ SY634 @ ( sK42_B @ SV115 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[2252]) ).

thf(2391,plain,
    ! [SV115: $i] :
      ( ( ~ ( in @ SV115 @ ( sK42_B @ SV115 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[2252]) ).

thf(2392,plain,
    ! [SV422: $i] :
      ( ( ( SV422 = empty_set )
        = $false )
      | ( ( ! [SY1033: $i] : ( subset @ SV422 @ ( singleton @ SY1033 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2254]) ).

thf(2393,plain,
    ! [SV466: $i,SV423: $i] :
      ( ( ( ( SV423
           != ( singleton @ SV466 ) ) )
        = $true )
      | ( ( subset @ SV423 @ ( singleton @ SV466 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2255]) ).

thf(2394,plain,
    ! [SV116: $i] :
      ( ( ( ~ ! [SY635: $i] :
                ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                | ! [SY636: $i] :
                    ( ( SY636
                     != ( apply @ SV116 @ SY635 ) )
                    | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) )
          | ~ ! [SY637: $i] :
                ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                | ! [SY638: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                    | ( SY638
                      = ( apply @ SV116 @ SY637 ) ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2256]) ).

thf(2395,plain,
    ! [SV116: $i] :
      ( ( ( ~ ! [SY639: $i] :
                ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                | ! [SY640: $i] :
                    ( ( SY640
                     != ( apply @ SV116 @ SY639 ) )
                    | ( SY640 = empty_set ) ) )
          | ~ ! [SY641: $i] :
                ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                | ! [SY642: $i] :
                    ( ( SY642 != empty_set )
                    | ( SY642
                      = ( apply @ SV116 @ SY641 ) ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2257]) ).

thf(2396,plain,
    ! [SV393: $i,SV334: $i,SV117: $i] :
      ( ( ( ~ ( ! [SY1012: $i,SY1013: $i] :
                  ( ~ ( in @ SY1012 @ SV117 )
                  | ~ ( in @ SY1013 @ SV334 )
                  | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                   != ( ordered_pair @ SY1012 @ SY1013 ) ) )
              | ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) ) )
        = $false )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2258]) ).

thf(2397,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                        | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
                  | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
                   != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) )
              | ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) ) )
        = $false )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2258]) ).

thf(2398,plain,
    ! [SV394: $i,SV335: $i,SV117: $i] :
      ( ( ( ~ ! [SY1014: $i] :
                ( ! [SY964: $i,SY965: $i] :
                    ( ~ ( in @ SY964 @ SV117 )
                    | ~ ( in @ SY965 @ SV335 )
                    | ( SY1014
                     != ( ordered_pair @ SY964 @ SY965 ) ) )
                | ( in @ SY1014 @ SV394 ) )
          | ~ ! [SY1017: $i] :
                ( ~ ( in @ SY1017 @ SV394 )
                | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                          | ~ ( in @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
                    | ( SY1017
                     != ( ordered_pair @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) ) ) ) ) )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2259]) ).

thf(2399,plain,
    ! [SV118: $i,SV338: $i,SV395: $i] :
      ( ( ( function @ SV395 )
        = $false )
      | ( ( ~ ( relation @ SV395 ) )
        = $true )
      | ( ( ( SV338
           != ( apply @ SV395 @ SV118 ) )
          | ~ ( in @ SV118 @ ( relation_dom @ SV395 ) )
          | ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2262]) ).

thf(2400,plain,
    ! [SV467: $i,SV118: $i,SV497: $i] :
      ( ( ~ ( function @ SV497 )
        | ~ ( relation @ SV497 )
        | ~ ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SV497 )
        | ( SV467
          = ( apply @ SV497 @ SV118 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2263]) ).

thf(2401,plain,
    ! [SV468: $i,SV118: $i,SV498: $i] :
      ( ( ~ ( function @ SV498 )
        | ~ ( relation @ SV498 )
        | ~ ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SV498 )
        | ( in @ SV118 @ ( relation_dom @ SV498 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2264]) ).

thf(2402,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
               != ( sK70_SY500 @ SV339 @ SV273 ) )
              | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
              | ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
          | ~ ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                      = ( sK70_SY500 @ SV339 @ SV273 ) )
                    | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
                | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                    | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) ) )
        = $false )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2265]) ).

thf(2403,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY968: $i,SY969: $i] :
                    ( ( SY968 != SY969 )
                    | ~ ( in @ SY968 @ SV274 )
                    | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) )
              | ~ ~ ( ~ ! [SY970: $i,SY971: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                          | ( SY970 = SY971 ) )
                    | ~ ! [SY972: $i] :
                          ( ! [SY973: $i] :
                              ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                          | ( in @ SY972 @ SV274 ) ) ) ) )
        = $true )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2266]) ).

thf(2404,plain,
    ! [SV120: $i,SV275: $i] :
      ( ( ( ! [SY904: $i] :
              ( ~ ( relation @ SY904 )
              | ~ ( ~ ( ! [SY905: $i] :
                          ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ SY905 ) @ SV120 )
                          | ~ ( in @ ( ordered_pair @ SY905 @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                      | ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) ) @ SV120 )
                          | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SV275 ) )
                      | ( in @ ( ordered_pair @ ( sK13_D @ SY904 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SY904 @ SV275 @ SV120 ) ) @ SY904 ) ) )
              | ( SY904
                = ( relation_composition @ SV120 @ SV275 ) ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2267]) ).

thf(2405,plain,
    ! [SV275: $i,SV120: $i] :
      ( ( ( ! [SY906: $i] :
              ( ~ ( relation @ SY906 )
              | ( SY906
               != ( relation_composition @ SV120 @ SV275 ) )
              | ~ ( ~ ! [SY907: $i,SY908: $i] :
                        ( ! [SY909: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY907 @ SY909 ) @ SV120 )
                            | ~ ( in @ ( ordered_pair @ SY909 @ SY908 ) @ SV275 ) )
                        | ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SY906 ) )
                  | ~ ! [SY910: $i,SY911: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY910 @ SY911 ) @ SY906 )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY910 @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) ) @ SV120 )
                            | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY911 @ SY910 @ SY906 @ SV275 @ SV120 ) @ SY911 ) @ SV275 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2268]) ).

thf(2406,plain,
    ! [SV227: $i,SV121: $i,SV469: $i] :
      ( ( ( ~ ( element @ SV469 @ ( powerset @ SV121 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV227 @ SV469 )
          | ( subset @ SV227 @ ( subset_complement @ SV121 @ SV469 ) ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2269]) ).

thf(2407,plain,
    ! [SV227: $i,SV121: $i,SV470: $i] :
      ( ( ( ~ ( element @ SV470 @ ( powerset @ SV121 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SV470 ) )
          | ( disjoint @ SV227 @ SV470 ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2270]) ).

thf(2408,plain,
    ! [SV396: $i,SV341: $i,SV122: $i] :
      ( ( ( ~ ( in @ SV122 @ SV341 )
          | ~ ( in @ SV122 @ ( relation_rng @ SV396 ) ) )
        = $true )
      | ( ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SV396 ) ) )
        = $true )
      | ( ( relation @ SV396 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2271]) ).

thf(2409,plain,
    ! [SV471: $i,SV122: $i,SV499: $i] :
      ( ( ~ ( relation @ SV499 )
        | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV471 @ SV499 ) ) )
        | ( in @ SV122 @ SV471 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2272]) ).

thf(2410,plain,
    ! [SV472: $i,SV122: $i,SV500: $i] :
      ( ( ~ ( relation @ SV500 )
        | ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV472 @ SV500 ) ) )
        | ( in @ SV122 @ ( relation_rng @ SV500 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2273]) ).

thf(2411,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( relation @ SV473 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
              | ~ ~ ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) ) )
          | ( SV473
            = ( relation_dom_restriction @ SV123 @ SV424 ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2274]) ).

thf(2412,plain,
    ! [SV425: $i,SV123: $i,SV474: $i] :
      ( ( ( ~ ( relation @ SV474 ) )
        = $true )
      | ( ( ( SV474
           != ( relation_dom_restriction @ SV123 @ SV425 ) )
          | ~ ( ~ ! [SY1105: $i,SY1106: $i] :
                    ( ~ ( in @ SY1105 @ SV425 )
                    | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) )
              | ~ ~ ( ~ ! [SY1107: $i] :
                          ( ! [SY1108: $i] :
                              ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                          | ( in @ SY1107 @ SV425 ) )
                    | ~ ! [SY1109: $i,SY1110: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                          | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2275]) ).

thf(2413,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( relation @ SV426 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) ) )
          | ( SV426
            = ( relation_inverse @ SV124 ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2276]) ).

thf(2414,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( relation @ SV427 )
        = $false )
      | ( ( ( SV427
           != ( relation_inverse @ SV124 ) )
          | ~ ( ~ ! [SY1043: $i,SY1044: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
                    | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) )
              | ~ ! [SY1045: $i,SY1046: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
                    | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2277]) ).

thf(2415,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( relation @ SV348 )
        = $false )
      | ( ( function @ SV348 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
              | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
                   != ( sK38_C @ SV348 @ SV282 ) ) ) )
          | ( ( relation_dom @ SV348 )
           != SV282 )
          | ( SV348
            = ( identity_relation @ SV282 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2278]) ).

thf(2416,plain,
    ! [SV428: $i,SV475: $i] :
      ( ( ( ~ ( function @ SV475 )
          | ~ ( relation @ SV475 ) )
        = $true )
      | ( ( ( SV475
           != ( identity_relation @ SV428 ) )
          | ! [SY1111: $i] :
              ( ~ ( in @ SY1111 @ SV428 )
              | ( ( apply @ SV475 @ SY1111 )
                = SY1111 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2279]) ).

thf(2417,plain,
    ! [SV429: $i,SV476: $i] :
      ( ( ( ~ ( function @ SV476 )
          | ~ ( relation @ SV476 ) )
        = $true )
      | ( ( ( SV476
           != ( identity_relation @ SV429 ) )
          | ( ( relation_dom @ SV476 )
            = SV429 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2280]) ).

thf(2418,plain,
    ! [SV285: $i,SV351: $i] :
      ( ( ( subset @ SV351 @ SV285 )
        = $false )
      | ( ( subset @ SV285 @ SV351 )
        = $false )
      | ( ( SV285 = SV351 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2281]) ).

thf(2419,plain,
    ! [SV477: $i,SV430: $i] :
      ( ( ( ( SV430 != SV477 ) )
        = $true )
      | ( ( subset @ SV430 @ SV477 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2282]) ).

thf(2420,plain,
    ! [SV478: $i,SV431: $i] :
      ( ( ( ( SV431 != SV478 ) )
        = $true )
      | ( ( subset @ SV478 @ SV431 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2283]) ).

thf(2421,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( ~ ( ! [SY1112: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1112 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                      | ~ ( in @ SY1112 @ SV432 ) )
                  | ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                      | ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) )
                  | ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) ) ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2284]) ).

thf(2422,plain,
    ! [SV433: $i,SV125: $i,SV480: $i] :
      ( ( ( ( SV480
           != ( relation_image @ SV125 @ SV433 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1113: $i] :
                    ( ! [SY1056: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1056 @ SY1113 ) @ SV125 )
                        | ~ ( in @ SY1056 @ SV433 ) )
                    | ( in @ SY1113 @ SV480 ) )
              | ~ ! [SY1115: $i] :
                    ( ~ ( in @ SY1115 @ SV480 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SY1115 ) @ SV125 )
                        | ~ ( in @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2285]) ).

thf(2423,plain,
    ! [SV397: $i,SV352: $i,SV126: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV126 @ SV352 ) @ SV397 ) )
        = $true )
      | ( ( in @ SV126 @ ( relation_field @ SV397 ) )
        = $true )
      | ( ( relation @ SV397 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2286]) ).

thf(2424,plain,
    ! [SV398: $i,SV353: $i,SV126: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV126 @ SV353 ) @ SV398 ) )
        = $true )
      | ( ( in @ SV353 @ ( relation_field @ SV398 ) )
        = $true )
      | ( ( relation @ SV398 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2287]) ).

thf(2425,plain,
    ! [SV228: $i,SV399: $i,SV127: $i,SV434: $i] :
      ( ( ( relation @ SV434 )
        = $false )
      | ( ( ~ ( in @ SV127 @ SV399 )
          | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV434 )
          | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SV434 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2288]) ).

thf(2426,plain,
    ! [SV501: $i,SV228: $i,SV127: $i] :
      ( ( ! [SY1126: $i] :
            ( ~ ( relation @ SY1126 )
            | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV501 ) @ SY1126 ) )
            | ( in @ SV127 @ SV501 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2289]) ).

thf(2427,plain,
    ! [SV502: $i,SV228: $i,SV127: $i] :
      ( ( ! [SY1127: $i] :
            ( ~ ( relation @ SY1127 )
            | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV502 ) @ SY1127 ) )
            | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SY1127 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2290]) ).

thf(2428,plain,
    ! [SV356: $i,SV400: $i,SV128: $i] :
      ( ( ( in @ SV128 @ SV400 )
        = $false )
      | ( ( ~ ( in @ SV356 @ SV400 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV128 @ SV356 ) @ SV400 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2291]) ).

thf(2429,plain,
    ! [SV503: $i,SV481: $i,SV128: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV128 @ SV481 ) @ SV503 )
        | ( in @ SV128 @ SV503 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2292]) ).

thf(2430,plain,
    ! [SV504: $i,SV482: $i,SV128: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV128 @ SV482 ) @ SV504 )
        | ( in @ SV482 @ SV504 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2293]) ).

thf(2431,plain,
    ! [SV435: $i,SV505: $i] :
      ( ( ( ~ ( element @ SV505 @ SV435 )
          | ( in @ SV505 @ SV435 ) )
        = $true )
      | ( ( empty @ SV435 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2294]) ).

thf(2432,plain,
    ! [SV436: $i,SV506: $i] :
      ( ( ( ~ ( in @ SV506 @ SV436 )
          | ( element @ SV506 @ SV436 ) )
        = $true )
      | ( ( empty @ SV436 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2295]) ).

thf(2433,plain,
    ! [SV437: $i] :
      ( ( ( empty @ SV437 )
        = $false )
      | ( ( ! [SY1060: $i] :
              ( ~ ( element @ SY1060 @ SV437 )
              | ( empty @ SY1060 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2296]) ).

thf(2434,plain,
    ! [SV438: $i] :
      ( ( ( empty @ SV438 )
        = $false )
      | ( ( ! [SY1061: $i] :
              ( ~ ( empty @ SY1061 )
              | ( element @ SY1061 @ SV438 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2297]) ).

thf(2435,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ~ ( ! [SY1062: $i] :
                  ~ ( in @ ( ordered_pair @ SY1062 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
              | ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SV439 @ SV129 ) @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
              | ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) ) )
        = $false )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2298]) ).

thf(2436,plain,
    ! [SV129: $i,SV440: $i] :
      ( ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1063: $i] :
                    ( ! [SY722: $i] :
                        ~ ( in @ ( ordered_pair @ SY722 @ SY1063 ) @ SV129 )
                    | ( in @ SY1063 @ SV440 ) )
              | ~ ! [SY1065: $i] :
                    ( ~ ( in @ SY1065 @ SV440 )
                    | ( in @ ( ordered_pair @ ( sK18_D @ SY1065 @ SV440 @ SV129 ) @ SY1065 ) @ SV129 ) ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2299]) ).

thf(2437,plain,
    ! [SV441: $i,SV360: $i,SV293: $i] :
      ( ( ( disjoint @ SV293 @ SV360 )
        = $false )
      | ( ( in @ SV441 @ ( set_intersection2 @ SV293 @ SV360 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2301]) ).

thf(2438,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( ~ ( ! [SY1118: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SY1118 ) @ SV131 )
                      | ~ ( in @ SY1118 @ SV442 ) )
                  | ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
                      | ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) )
                  | ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) ) ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2302]) ).

thf(2439,plain,
    ! [SV443: $i,SV131: $i,SV484: $i] :
      ( ( ( ( SV484
           != ( relation_inverse_image @ SV131 @ SV443 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1119: $i] :
                    ( ! [SY1070: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1119 @ SY1070 ) @ SV131 )
                        | ~ ( in @ SY1070 @ SV443 ) )
                    | ( in @ SY1119 @ SV484 ) )
              | ~ ! [SY1121: $i] :
                    ( ~ ( in @ SY1121 @ SV484 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1121 @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
                        | ~ ( in @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2303]) ).

thf(2440,plain,
    ! [SV507: $i,SV296: $i] :
      ( ( ( ! [SY1128: $i] :
              ( ( sK68_B @ SV296 )
             != ( ordered_pair @ SV507 @ SY1128 ) ) )
        = $true )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2304]) ).

thf(2441,plain,
    ! [SV297: $i,SV444: $i] :
      ( ( ( in @ SV444 @ SV297 )
        = $false )
      | ( ( SV444
          = ( ordered_pair @ ( sK66_C @ SV444 @ SV297 ) @ ( sK67_SY497 @ SV444 @ SV297 ) ) )
        = $true )
      | ( ( relation @ SV297 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2306]) ).

thf(2442,plain,
    ! [SV401: $i,SV363: $i,SV132: $i] :
      ( ( ( ~ ( in @ SV132 @ SV363 )
          | ~ ( in @ SV132 @ ( relation_dom @ SV401 ) ) )
        = $true )
      | ( ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV401 @ SV363 ) ) )
        = $true )
      | ( ( relation @ SV401 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2307]) ).

thf(2443,plain,
    ! [SV485: $i,SV132: $i,SV508: $i] :
      ( ( ~ ( relation @ SV508 )
        | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV508 @ SV485 ) ) )
        | ( in @ SV132 @ SV485 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2308]) ).

thf(2444,plain,
    ! [SV486: $i,SV132: $i,SV509: $i] :
      ( ( ~ ( relation @ SV509 )
        | ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV509 @ SV486 ) ) )
        | ( in @ SV132 @ ( relation_dom @ SV509 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2309]) ).

thf(2445,plain,
    ! [SV402: $i,SV364: $i,SV133: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV133 @ SV364 ) @ SV402 ) )
        = $true )
      | ( ( in @ SV133 @ ( relation_dom @ SV402 ) )
        = $true )
      | ( ( relation @ SV402 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2310]) ).

thf(2446,plain,
    ! [SV403: $i,SV365: $i,SV133: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV133 @ SV365 ) @ SV403 ) )
        = $true )
      | ( ( in @ SV365 @ ( relation_rng @ SV403 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2311]) ).

thf(2447,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ~ ( ! [SY1072: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SY1072 ) @ SV134 )
              | ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ ( sK23_SY466 @ SV445 @ SV134 ) ) @ SV134 )
              | ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) ) )
        = $false )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2312]) ).

thf(2448,plain,
    ! [SV134: $i,SV446: $i] :
      ( ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1073: $i] :
                    ( ! [SY747: $i] :
                        ~ ( in @ ( ordered_pair @ SY1073 @ SY747 ) @ SV134 )
                    | ( in @ SY1073 @ SV446 ) )
              | ~ ! [SY1075: $i] :
                    ( ~ ( in @ SY1075 @ SV446 )
                    | ( in @ ( ordered_pair @ SY1075 @ ( sK21_D @ SY1075 @ SV446 @ SV134 ) ) @ SV134 ) ) ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2313]) ).

thf(2449,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                    | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                     != SV135 ) )
                | ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                    | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                     != SV366 ) ) ) )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2314]) ).

thf(2450,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                = SV135 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                = SV366 ) ) )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2314]) ).

thf(2451,plain,
    ! [SV367: $i,SV135: $i,SV405: $i] :
      ( ( ( ~ ! [SY1019: $i] :
                ( ~ ( in @ SY1019 @ SV405 )
                | ( SY1019 = SV135 )
                | ( SY1019 = SV367 ) )
          | ~ ~ ( ~ ! [SY1020: $i] :
                      ( ( SY1020 != SV135 )
                      | ( in @ SY1020 @ SV405 ) )
                | ~ ! [SY1021: $i] :
                      ( ( SY1021 != SV367 )
                      | ( in @ SY1021 @ SV405 ) ) ) )
        = $false )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2315]) ).

thf(2452,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( relation @ SV447 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) ) )
          | ( SV136 = SV447 ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2316]) ).

thf(2453,plain,
    ! [SV136: $i,SV448: $i] :
      ( ( ( relation @ SV448 )
        = $false )
      | ( ( ( SV136 != SV448 )
          | ~ ( ~ ! [SY1076: $i,SY1077: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
                    | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) )
              | ~ ! [SY1078: $i,SY1079: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
                    | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2317]) ).

thf(2454,plain,
    ! [SV368: $i,SV298: $i] :
      ( ( ( ~ ( function @ SV298 ) )
        = $true )
      | ( ( ~ ( relation @ SV298 ) )
        = $true )
      | ( ( ~ ( relation @ SV368 ) )
        = $true )
      | ( ( ~ ( function @ SV368 ) )
        = $true )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2318]) ).

thf(2455,plain,
    ! [SV369: $i,SV299: $i] :
      ( ( ( ~ ( function @ SV299 ) )
        = $true )
      | ( ( ~ ( relation @ SV299 ) )
        = $true )
      | ( ( ~ ( relation @ SV369 ) )
        = $true )
      | ( ( ~ ( function @ SV369 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2319]) ).

thf(2456,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ! [SY861: $i] :
              ( ~ ( function @ SY861 )
              | ~ ( relation @ SY861 )
              | ~ ( in @ SV137 @ ( relation_dom @ SY861 ) )
              | ~ ( in @ ( apply @ SY861 @ SV137 ) @ ( relation_dom @ SV230 ) )
              | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY861 @ SV230 ) ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2320]) ).

thf(2457,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ~ ( ~ ! [SY862: $i] :
                    ( ~ ( function @ SY862 )
                    | ~ ( relation @ SY862 )
                    | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                    | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
              | ~ ! [SY863: $i] :
                    ( ~ ( function @ SY863 )
                    | ~ ( relation @ SY863 )
                    | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                    | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2321]) ).

thf(2458,plain,
    ! [SV138: $i,SV487: $i] :
      ( ( ( ~ ( in @ SV487 @ ( sK41_B @ SV138 ) ) )
        = $true )
      | ( ( in @ ( powerset @ SV487 ) @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2323]) ).

thf(2459,plain,
    ! [SV138: $i] :
      ( ( ~ ! [SY768: $i,SY769: $i] :
              ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
              | ~ ( subset @ SY769 @ SY768 )
              | ( in @ SY769 @ ( sK41_B @ SV138 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[2324]) ).

thf(2460,plain,
    ! [SV138: $i] :
      ( ( ~ ( in @ SV138 @ ( sK41_B @ SV138 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[2324]) ).

thf(2461,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( relation @ SV449 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV139 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 ) )
          | ( subset @ SV139 @ SV449 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2325]) ).

thf(2462,plain,
    ! [SV139: $i,SV450: $i] :
      ( ( ( relation @ SV450 )
        = $false )
      | ( ( ~ ( subset @ SV139 @ SV450 )
          | ! [SY1080: $i,SY1081: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV139 )
              | ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV450 ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2326]) ).

thf(2463,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( ~ ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
          | ~ ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) )
        = $true )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2327]) ).

thf(2464,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
          | ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) )
        = $true )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2328]) ).

thf(2465,plain,
    ! [SV301: $i,SV372: $i] :
      ( ( ( ~ ! [SY987: $i] :
                ( ~ ( in @ SY987 @ SV372 )
                | ( subset @ SY987 @ SV301 ) ) )
        = $false )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2329]) ).

thf(2466,plain,
    ! [SV372: $i,SV301: $i] :
      ( ( ( ~ ! [SY988: $i] :
                ( ~ ( subset @ SY988 @ SV301 )
                | ( in @ SY988 @ SV372 ) ) )
        = $false )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2329]) ).

thf(2467,plain,
    ! [SV302: $i,SV373: $i] :
      ( ( ( relation @ SV373 )
        = $false )
      | ( ( empty @ SV302 )
        = $false )
      | ( ( empty @ ( relation_composition @ SV302 @ SV373 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2330]) ).

thf(2468,plain,
    ! [SV303: $i,SV374: $i] :
      ( ( ( relation @ SV374 )
        = $false )
      | ( ( empty @ SV303 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV303 @ SV374 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2331]) ).

thf(2469,plain,
    ! [SV140: $i,SV451: $i] :
      ( ( ( relation @ SV451 )
        = $false )
      | ( ( ~ ( subset @ SV140 @ SV451 )
          | ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SV451 ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2332]) ).

thf(2470,plain,
    ! [SV140: $i,SV452: $i] :
      ( ( ( relation @ SV452 )
        = $false )
      | ( ( ~ ( subset @ SV140 @ SV452 )
          | ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SV452 ) ) )
        = $true )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2333]) ).

thf(2471,plain,
    ! [SV375: $i,SV142: $i,SV406: $i] :
      ( ( ( ! [SY1022: $i] :
              ( ~ ( in @ SY1022 @ ( relation_rng @ SV406 ) )
              | ~ ( in @ ( ordered_pair @ SV142 @ SY1022 ) @ SV406 )
              | ~ ( in @ SY1022 @ SV375 ) ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) )
        = $true )
      | ( ( relation @ SV406 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2334]) ).

thf(2472,plain,
    ! [SV376: $i,SV407: $i,SV142: $i] :
      ( ( ( ~ ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
                    | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
              | ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 ) ) )
        = $true )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2335]) ).

thf(2473,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
                      | ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
                  | ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
              | ~ ( ! [SY1129: $i] :
                      ( ~ ( in @ SY1129 @ SV453 )
                      | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SY1129 ) )
                  | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) ) )
          | ( SV510
            = ( set_meet @ SV453 ) ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2336]) ).

thf(2474,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( ( SV511
           != ( set_meet @ SV454 ) )
          | ~ ( ~ ! [SY1130: $i] :
                    ( ~ ( ~ ( in @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) @ SV454 )
                        | ~ ~ ( in @ SY1130 @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) ) )
                    | ( in @ SY1130 @ SV511 ) )
              | ~ ! [SY1131: $i] :
                    ( ~ ( in @ SY1131 @ SV511 )
                    | ! [SY1087: $i] :
                        ( ~ ( in @ SY1087 @ SV454 )
                        | ( in @ SY1131 @ SY1087 ) ) ) ) )
        = $true )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2337]) ).

thf(2475,plain,
    ! [SV455: $i] :
      ( ( ( SV455 = empty_set )
        = $false )
      | ( ( ! [SY1088: $i] :
              ( ( SY1088
               != ( set_meet @ SV455 ) )
              | ( SY1088 = empty_set ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2338]) ).

thf(2476,plain,
    ! [SV456: $i] :
      ( ( ( SV456 = empty_set )
        = $false )
      | ( ( ! [SY1089: $i] :
              ( ( SY1089 != empty_set )
              | ( SY1089
                = ( set_meet @ SV456 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2339]) ).

thf(2477,plain,
    ! [SV488: $i,SV457: $i] :
      ( ( ( ~ ( proper_subset @ SV457 @ SV488 ) )
        = $true )
      | ( ( ( SV457 != SV488 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2341]) ).

thf(2478,plain,
    ! [SV489: $i,SV458: $i] :
      ( ( ( ~ ( proper_subset @ SV458 @ SV489 ) )
        = $true )
      | ( ( subset @ SV458 @ SV489 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2342]) ).

thf(2479,plain,
    ! [SV459: $i,SV231: $i,SV408: $i,SV143: $i] :
      ( ( ( ~ ( in @ SV143 @ SV408 ) )
        = $true )
      | ( ( ~ ( in @ SV231 @ SV459 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV408 @ SV459 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2343]) ).

thf(2480,plain,
    ! [SV512: $i,SV231: $i,SV143: $i] :
      ( ( ! [SY1133: $i] :
            ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV512 @ SY1133 ) )
        | ( in @ SV143 @ SV512 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2344]) ).

thf(2481,plain,
    ! [SV513: $i,SV231: $i,SV143: $i] :
      ( ( ! [SY1134: $i] :
            ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV513 @ SY1134 ) )
            | ( in @ SV231 @ SY1134 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2345]) ).

thf(2482,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                    | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
                | ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                    | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) ) )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2346]) ).

thf(2483,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
              | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
              | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2346]) ).

thf(2484,plain,
    ! [SV379: $i,SV144: $i,SV410: $i] :
      ( ( ( ~ ! [SY1024: $i] :
                ( ~ ( in @ SY1024 @ SV410 )
                | ( in @ SY1024 @ SV144 )
                | ( in @ SY1024 @ SV379 ) )
          | ~ ~ ( ~ ! [SY1025: $i] :
                      ( ~ ( in @ SY1025 @ SV144 )
                      | ( in @ SY1025 @ SV410 ) )
                | ~ ! [SY1026: $i] :
                      ( ~ ( in @ SY1026 @ SV379 )
                      | ( in @ SY1026 @ SV410 ) ) ) )
        = $false )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2347]) ).

thf(2485,plain,
    ! [SV380: $i,SV145: $i,SV411: $i] :
      ( ( ( ! [SY1027: $i] :
              ( ~ ( in @ SY1027 @ ( relation_dom @ SV411 ) )
              | ~ ( in @ ( ordered_pair @ SY1027 @ SV145 ) @ SV411 )
              | ~ ( in @ SY1027 @ SV380 ) ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) )
        = $true )
      | ( ( relation @ SV411 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2348]) ).

thf(2486,plain,
    ! [SV381: $i,SV412: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
                    | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
              | ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 ) ) )
        = $true )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2349]) ).

thf(2487,plain,
    ! [SV147: $i,SV232: $i] :
      ( ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV232 )
        = $false )
      | ( ( in @ ( sK44_C @ SV232 @ SV147 ) @ SV147 )
        = $false )
      | ( ( SV147 = SV232 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2352]) ).

thf(2488,plain,
    ! [SV460: $i] :
      ( ( ( SV460 = empty_set )
        = $false )
      | ( ( ! [SY1092: $i] : ( subset @ SV460 @ ( singleton @ SY1092 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2354]) ).

thf(2489,plain,
    ! [SV492: $i,SV461: $i] :
      ( ( ( ( SV461
           != ( singleton @ SV492 ) ) )
        = $true )
      | ( ( subset @ SV461 @ ( singleton @ SV492 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2355]) ).

thf(2490,plain,
    ! [SV493: $i,SV413: $i,SV233: $i,SV148: $i] :
      ( ( ( ( ordered_pair @ SV148 @ SV233 )
          = ( ordered_pair @ SV413 @ SV493 ) )
        = $false )
      | ( ( SV148 = SV413 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2356]) ).

thf(2491,plain,
    ! [SV462: $i,SV414: $i,SV233: $i,SV148: $i] :
      ( ( ( ( ordered_pair @ SV148 @ SV233 )
          = ( ordered_pair @ SV414 @ SV462 ) )
        = $false )
      | ( ( SV233 = SV462 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2357]) ).

thf(2492,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV312 )
        = $true )
      | ( ( subset @ SV312 @ SV385 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2358]) ).

thf(2493,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ( ~ ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV385 ) )
        = $true )
      | ( ( subset @ SV312 @ SV385 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2359]) ).

thf(2494,plain,
    ! [SV386: $i,SV313: $i,SV494: $i] :
      ( ( ( ~ ( in @ SV494 @ SV313 ) )
        = $true )
      | ( ( in @ SV494 @ SV386 )
        = $true )
      | ( ( subset @ SV313 @ SV386 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2360]) ).

thf(2495,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
              | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
              | ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) )
        = $false )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2363]) ).

thf(2496,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
                    | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
                | ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
                    | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) ) )
        = $false )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2363]) ).

thf(2497,plain,
    ! [SV416: $i,SV388: $i,SV149: $i] :
      ( ( ( ~ ! [SY1030: $i] :
                ( ~ ( in @ SY1030 @ SV149 )
                | ( in @ SY1030 @ SV388 )
                | ( in @ SY1030 @ SV416 ) )
          | ~ ~ ( ~ ! [SY1031: $i] :
                      ( ~ ( in @ SY1031 @ SV416 )
                      | ( in @ SY1031 @ SV149 ) )
                | ~ ! [SY1032: $i] :
                      ( ~ ( in @ SY1032 @ SV416 )
                      | ~ ( in @ SY1032 @ SV388 ) ) ) )
        = $false )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2364]) ).

thf(2498,plain,
    ! [SV178: $i,SV33: $i,SV417: $i] :
      ( ( ( function @ SV417 )
        = $false )
      | ( ( ~ ( relation @ SV417 ) )
        = $true )
      | ( ( ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SV417 @ SV178 ) ) )
          | ( ( apply @ ( relation_composition @ SV417 @ SV178 ) @ SV33 )
            = ( apply @ SV178 @ ( apply @ SV417 @ SV33 ) ) ) )
        = $true )
      | ( ( function @ SV178 )
        = $false )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2365]) ).

thf(2499,plain,
    ! [SV179: $i,SV34: $i,SV418: $i] :
      ( ( ( function @ SV418 )
        = $false )
      | ( ( ~ ( relation @ SV418 ) )
        = $true )
      | ( ( ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
          | ( ( apply @ ( relation_composition @ SV179 @ SV418 ) @ SV34 )
            = ( apply @ SV418 @ ( apply @ SV179 @ SV34 ) ) ) )
        = $true )
      | ( ( function @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2366]) ).

thf(2500,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
          | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
          | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2368]) ).

thf(2501,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
                  | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
              | ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
                  | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2369]) ).

thf(2502,plain,
    ! [SV391: $i,SV323: $i,SV112: $i] :
      ( ( ( ~ ! [SY1008: $i] :
                ( ~ ( in @ SY1008 @ SV112 )
                | ~ ( in @ SY1008 @ SV323 )
                | ( in @ SY1008 @ SV391 ) ) )
        = $false )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2370]) ).

thf(2503,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( ~ ~ ( ~ ! [SY1009: $i] :
                      ( ~ ( in @ SY1009 @ SV391 )
                      | ( in @ SY1009 @ SV112 ) )
                | ~ ! [SY1010: $i] :
                      ( ~ ( in @ SY1010 @ SV391 )
                      | ( in @ SY1010 @ SV323 ) ) ) )
        = $false )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2370]) ).

thf(2504,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ! [SY952: $i] :
              ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SY952 )
              | ~ ( in @ SY952 @ SV258 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2371]) ).

thf(2505,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
              | ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) ) )
        = $true )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2372]) ).

thf(2506,plain,
    ! [SV325: $i,SV259: $i] :
      ( ( ( ! [SY953: $i] :
              ( ! [SY881: $i] :
                  ( ~ ( in @ SY953 @ SY881 )
                  | ~ ( in @ SY881 @ SV259 ) )
              | ( in @ SY953 @ SV325 ) ) )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2373]) ).

thf(2507,plain,
    ! [SV259: $i,SV325: $i] :
      ( ( ( ! [SY955: $i] :
              ( ~ ( in @ SY955 @ SV325 )
              | ~ ( ~ ( in @ SY955 @ ( sK46_D @ SY955 @ SV325 @ SV259 ) )
                  | ~ ( in @ ( sK46_D @ SY955 @ SV325 @ SV259 ) @ SV259 ) ) ) )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2374]) ).

thf(2508,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( relation @ SV463 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
              | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) ) )
          | ( SV463
            = ( relation_rng_restriction @ SV113 @ SV225 ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2375]) ).

thf(2509,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( relation @ SV464 )
        = $false )
      | ( ( ( SV464
           != ( relation_rng_restriction @ SV113 @ SV225 ) )
          | ~ ( ~ ! [SY1094: $i,SY1095: $i] :
                    ( ~ ( in @ SY1095 @ SV113 )
                    | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
                    | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) )
              | ~ ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                          | ( in @ SY1097 @ SV113 ) )
                    | ~ ! [SY1098: $i,SY1099: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                          | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) ) )
        = $true )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2376]) ).

thf(2510,plain,
    ! [SV419: $i,SV226: $i,SV392: $i,SV114: $i] :
      ( ( ( in @ SV114 @ SV392 )
        = $false )
      | ( ( ~ ( in @ SV226 @ SV419 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV392 @ SV419 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2379]) ).

thf(2511,plain,
    ! [SV495: $i,SV226: $i,SV114: $i] :
      ( ( ( ! [SY1124: $i] :
              ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV495 @ SY1124 ) ) )
        = $true )
      | ( ( in @ SV114 @ SV495 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2380]) ).

thf(2512,plain,
    ! [SV514: $i,SV496: $i,SV226: $i,SV114: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV496 @ SV514 ) )
        | ( in @ SV226 @ SV514 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2381]) ).

thf(2513,plain,
    ! [SV263: $i,SV329: $i,SV420: $i] :
      ( ( ( in @ SV420 @ SV329 )
        = $false )
      | ( ( in @ SV420 @ SV263 )
        = $false )
      | ( ( ~ ( disjoint @ SV263 @ SV329 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2384]) ).

thf(2514,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ( ( sK62_C @ SV330 @ SV264 )
           != SV264 ) )
        = $true )
      | ( ( ~ ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) )
        = $true )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2385]) ).

thf(2515,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ( sK62_C @ SV330 @ SV264 )
          = SV264 )
        = $true )
      | ( ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 )
        = $true )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2386]) ).

thf(2516,plain,
    ! [SV331: $i,SV265: $i] :
      ( ( ( ! [SY957: $i] :
              ( ( SY957 != SV265 )
              | ( in @ SY957 @ SV331 ) ) )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2387]) ).

thf(2517,plain,
    ! [SV265: $i,SV331: $i] :
      ( ( ( ! [SY958: $i] :
              ( ~ ( in @ SY958 @ SV331 )
              | ( SY958 = SV265 ) ) )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2388]) ).

thf(2518,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ( ~ ! [SY1100: $i] :
                ( ~ ( subset @ SY1100 @ SV465 )
                | ( in @ SY1100 @ ( sK43_SY481 @ SV465 @ SV115 ) ) )
          | ~ ( in @ ( sK43_SY481 @ SV465 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
        = $false )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2389]) ).

thf(2519,plain,
    ! [SV115: $i] :
      ( ( ! [SY633: $i,SY634: $i] :
            ( ~ ( in @ SY633 @ ( sK42_B @ SV115 ) )
            | ~ ( subset @ SY634 @ SY633 )
            | ( in @ SY634 @ ( sK42_B @ SV115 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2390]) ).

thf(2520,plain,
    ! [SV115: $i] :
      ( ( in @ SV115 @ ( sK42_B @ SV115 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2391]) ).

thf(2521,plain,
    ! [SV515: $i,SV422: $i] :
      ( ( ( subset @ SV422 @ ( singleton @ SV515 ) )
        = $true )
      | ( ( SV422 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2392]) ).

thf(2522,plain,
    ! [SV466: $i,SV423: $i] :
      ( ( ( SV423
          = ( singleton @ SV466 ) )
        = $false )
      | ( ( subset @ SV423 @ ( singleton @ SV466 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2393]) ).

thf(2523,plain,
    ! [SV116: $i] :
      ( ( ( ~ ! [SY635: $i] :
                ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
                | ! [SY636: $i] :
                    ( ( SY636
                     != ( apply @ SV116 @ SY635 ) )
                    | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2394]) ).

thf(2524,plain,
    ! [SV116: $i] :
      ( ( ( ~ ! [SY637: $i] :
                ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
                | ! [SY638: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                    | ( SY638
                      = ( apply @ SV116 @ SY637 ) ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2394]) ).

thf(2525,plain,
    ! [SV116: $i] :
      ( ( ( ~ ! [SY639: $i] :
                ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
                | ! [SY640: $i] :
                    ( ( SY640
                     != ( apply @ SV116 @ SY639 ) )
                    | ( SY640 = empty_set ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2395]) ).

thf(2526,plain,
    ! [SV116: $i] :
      ( ( ( ~ ! [SY641: $i] :
                ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
                | ! [SY642: $i] :
                    ( ( SY642 != empty_set )
                    | ( SY642
                      = ( apply @ SV116 @ SY641 ) ) ) ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2395]) ).

thf(2527,plain,
    ! [SV393: $i,SV334: $i,SV117: $i] :
      ( ( ( ! [SY1012: $i,SY1013: $i] :
              ( ~ ( in @ SY1012 @ SV117 )
              | ~ ( in @ SY1013 @ SV334 )
              | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
               != ( ordered_pair @ SY1012 @ SY1013 ) ) )
          | ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2396]) ).

thf(2528,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                    | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
              | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
               != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) )
          | ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2397]) ).

thf(2529,plain,
    ! [SV394: $i,SV335: $i,SV117: $i] :
      ( ( ( ~ ! [SY1014: $i] :
                ( ! [SY964: $i,SY965: $i] :
                    ( ~ ( in @ SY964 @ SV117 )
                    | ~ ( in @ SY965 @ SV335 )
                    | ( SY1014
                     != ( ordered_pair @ SY964 @ SY965 ) ) )
                | ( in @ SY1014 @ SV394 ) ) )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2398]) ).

thf(2530,plain,
    ! [SV117: $i,SV335: $i,SV394: $i] :
      ( ( ( ~ ! [SY1017: $i] :
                ( ~ ( in @ SY1017 @ SV394 )
                | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                          | ~ ( in @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
                    | ( SY1017
                     != ( ordered_pair @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) ) ) ) ) )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2398]) ).

thf(2531,plain,
    ! [SV118: $i,SV338: $i,SV395: $i] :
      ( ( ( relation @ SV395 )
        = $false )
      | ( ( function @ SV395 )
        = $false )
      | ( ( ( SV338
           != ( apply @ SV395 @ SV118 ) )
          | ~ ( in @ SV118 @ ( relation_dom @ SV395 ) )
          | ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2399]) ).

thf(2532,plain,
    ! [SV467: $i,SV118: $i,SV497: $i] :
      ( ( ( ~ ( function @ SV497 )
          | ~ ( relation @ SV497 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SV497 )
          | ( SV467
            = ( apply @ SV497 @ SV118 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2400]) ).

thf(2533,plain,
    ! [SV468: $i,SV118: $i,SV498: $i] :
      ( ( ( ~ ( function @ SV498 )
          | ~ ( relation @ SV498 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SV498 )
          | ( in @ SV118 @ ( relation_dom @ SV498 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2401]) ).

thf(2534,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
               != ( sK70_SY500 @ SV339 @ SV273 ) )
              | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
              | ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2402]) ).

thf(2535,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                      = ( sK70_SY500 @ SV339 @ SV273 ) )
                    | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
                | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                    | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) ) )
        = $false )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2402]) ).

thf(2536,plain,
    ! [SV340: $i,SV274: $i] :
      ( ( ( ~ ! [SY968: $i,SY969: $i] :
                ( ( SY968 != SY969 )
                | ~ ( in @ SY968 @ SV274 )
                | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) )
          | ~ ~ ( ~ ! [SY970: $i,SY971: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                      | ( SY970 = SY971 ) )
                | ~ ! [SY972: $i] :
                      ( ! [SY973: $i] :
                          ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                      | ( in @ SY972 @ SV274 ) ) ) )
        = $false )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2403]) ).

thf(2537,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( relation @ SV516 )
          | ~ ( ~ ( ! [SY1135: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) ) )
          | ( SV516
            = ( relation_composition @ SV120 @ SV275 ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2404]) ).

thf(2538,plain,
    ! [SV275: $i,SV120: $i,SV517: $i] :
      ( ( ( ~ ( relation @ SV517 )
          | ( SV517
           != ( relation_composition @ SV120 @ SV275 ) )
          | ~ ( ~ ! [SY1136: $i,SY1137: $i] :
                    ( ! [SY909: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
                    | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) )
              | ~ ! [SY1139: $i,SY1140: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2405]) ).

thf(2539,plain,
    ! [SV227: $i,SV121: $i,SV469: $i] :
      ( ( ( element @ SV469 @ ( powerset @ SV121 ) )
        = $false )
      | ( ( ~ ( disjoint @ SV227 @ SV469 )
          | ( subset @ SV227 @ ( subset_complement @ SV121 @ SV469 ) ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2406]) ).

thf(2540,plain,
    ! [SV227: $i,SV121: $i,SV470: $i] :
      ( ( ( element @ SV470 @ ( powerset @ SV121 ) )
        = $false )
      | ( ( ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SV470 ) )
          | ( disjoint @ SV227 @ SV470 ) )
        = $true )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2407]) ).

thf(2541,plain,
    ! [SV396: $i,SV341: $i,SV122: $i] :
      ( ( ( ~ ( in @ SV122 @ SV341 ) )
        = $true )
      | ( ( ~ ( in @ SV122 @ ( relation_rng @ SV396 ) ) )
        = $true )
      | ( ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SV396 ) ) )
        = $true )
      | ( ( relation @ SV396 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2408]) ).

thf(2542,plain,
    ! [SV471: $i,SV122: $i,SV499: $i] :
      ( ( ( ~ ( relation @ SV499 ) )
        = $true )
      | ( ( ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV471 @ SV499 ) ) )
          | ( in @ SV122 @ SV471 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2409]) ).

thf(2543,plain,
    ! [SV472: $i,SV122: $i,SV500: $i] :
      ( ( ( ~ ( relation @ SV500 ) )
        = $true )
      | ( ( ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV472 @ SV500 ) ) )
          | ( in @ SV122 @ ( relation_rng @ SV500 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2410]) ).

thf(2544,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( relation @ SV473 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
              | ~ ~ ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) ) )
          | ( SV473
            = ( relation_dom_restriction @ SV123 @ SV424 ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2411]) ).

thf(2545,plain,
    ! [SV425: $i,SV123: $i,SV474: $i] :
      ( ( ( relation @ SV474 )
        = $false )
      | ( ( ( SV474
           != ( relation_dom_restriction @ SV123 @ SV425 ) )
          | ~ ( ~ ! [SY1105: $i,SY1106: $i] :
                    ( ~ ( in @ SY1105 @ SV425 )
                    | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) )
              | ~ ~ ( ~ ! [SY1107: $i] :
                          ( ! [SY1108: $i] :
                              ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                          | ( in @ SY1107 @ SV425 ) )
                    | ~ ! [SY1109: $i,SY1110: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                          | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2412]) ).

thf(2546,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
                  | ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) ) ) )
        = $true )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2413]) ).

thf(2547,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( ( SV427
           != ( relation_inverse @ SV124 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1043: $i,SY1044: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
                    | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) )
              | ~ ! [SY1045: $i,SY1046: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
                    | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) ) )
        = $true )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2414]) ).

thf(2548,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
              | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
                   != ( sK38_C @ SV348 @ SV282 ) ) ) )
          | ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2415]) ).

thf(2549,plain,
    ! [SV428: $i,SV475: $i] :
      ( ( ( ~ ( function @ SV475 ) )
        = $true )
      | ( ( ~ ( relation @ SV475 ) )
        = $true )
      | ( ( ( SV475
           != ( identity_relation @ SV428 ) )
          | ! [SY1111: $i] :
              ( ~ ( in @ SY1111 @ SV428 )
              | ( ( apply @ SV475 @ SY1111 )
                = SY1111 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2416]) ).

thf(2550,plain,
    ! [SV429: $i,SV476: $i] :
      ( ( ( ~ ( function @ SV476 ) )
        = $true )
      | ( ( ~ ( relation @ SV476 ) )
        = $true )
      | ( ( ( SV476
           != ( identity_relation @ SV429 ) )
          | ( ( relation_dom @ SV476 )
            = SV429 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2417]) ).

thf(2551,plain,
    ! [SV477: $i,SV430: $i] :
      ( ( ( SV430 = SV477 )
        = $false )
      | ( ( subset @ SV430 @ SV477 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2419]) ).

thf(2552,plain,
    ! [SV478: $i,SV431: $i] :
      ( ( ( SV431 = SV478 )
        = $false )
      | ( ( subset @ SV478 @ SV431 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2420]) ).

thf(2553,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( ! [SY1112: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY1112 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                  | ~ ( in @ SY1112 @ SV432 ) )
              | ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                  | ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) )
              | ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) ) )
        = $false )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2421]) ).

thf(2554,plain,
    ! [SV433: $i,SV125: $i,SV480: $i] :
      ( ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1113: $i] :
                    ( ! [SY1056: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1056 @ SY1113 ) @ SV125 )
                        | ~ ( in @ SY1056 @ SV433 ) )
                    | ( in @ SY1113 @ SV480 ) )
              | ~ ! [SY1115: $i] :
                    ( ~ ( in @ SY1115 @ SV480 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SY1115 ) @ SV125 )
                        | ~ ( in @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) ) ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2422]) ).

thf(2555,plain,
    ! [SV397: $i,SV352: $i,SV126: $i] :
      ( ( ( in @ ( ordered_pair @ SV126 @ SV352 ) @ SV397 )
        = $false )
      | ( ( in @ SV126 @ ( relation_field @ SV397 ) )
        = $true )
      | ( ( relation @ SV397 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2423]) ).

thf(2556,plain,
    ! [SV398: $i,SV353: $i,SV126: $i] :
      ( ( ( in @ ( ordered_pair @ SV126 @ SV353 ) @ SV398 )
        = $false )
      | ( ( in @ SV353 @ ( relation_field @ SV398 ) )
        = $true )
      | ( ( relation @ SV398 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2424]) ).

thf(2557,plain,
    ! [SV434: $i,SV228: $i,SV399: $i,SV127: $i] :
      ( ( ( ~ ( in @ SV127 @ SV399 )
          | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV434 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SV434 ) )
        = $true )
      | ( ( relation @ SV434 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2425]) ).

thf(2558,plain,
    ! [SV501: $i,SV228: $i,SV127: $i,SV518: $i] :
      ( ( ~ ( relation @ SV518 )
        | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV501 ) @ SV518 ) )
        | ( in @ SV127 @ SV501 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2426]) ).

thf(2559,plain,
    ! [SV502: $i,SV228: $i,SV127: $i,SV519: $i] :
      ( ( ~ ( relation @ SV519 )
        | ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV502 ) @ SV519 ) )
        | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV519 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2427]) ).

thf(2560,plain,
    ! [SV128: $i,SV400: $i,SV356: $i] :
      ( ( ( in @ SV356 @ SV400 )
        = $false )
      | ( ( in @ SV128 @ SV400 )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV128 @ SV356 ) @ SV400 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2428]) ).

thf(2561,plain,
    ! [SV503: $i,SV481: $i,SV128: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV128 @ SV481 ) @ SV503 ) )
        = $true )
      | ( ( in @ SV128 @ SV503 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2429]) ).

thf(2562,plain,
    ! [SV504: $i,SV482: $i,SV128: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV128 @ SV482 ) @ SV504 ) )
        = $true )
      | ( ( in @ SV482 @ SV504 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2430]) ).

thf(2563,plain,
    ! [SV435: $i,SV505: $i] :
      ( ( ( ~ ( element @ SV505 @ SV435 ) )
        = $true )
      | ( ( in @ SV505 @ SV435 )
        = $true )
      | ( ( empty @ SV435 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2431]) ).

thf(2564,plain,
    ! [SV436: $i,SV506: $i] :
      ( ( ( ~ ( in @ SV506 @ SV436 ) )
        = $true )
      | ( ( element @ SV506 @ SV436 )
        = $true )
      | ( ( empty @ SV436 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2432]) ).

thf(2565,plain,
    ! [SV437: $i,SV520: $i] :
      ( ( ( ~ ( element @ SV520 @ SV437 )
          | ( empty @ SV520 ) )
        = $true )
      | ( ( empty @ SV437 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2433]) ).

thf(2566,plain,
    ! [SV438: $i,SV521: $i] :
      ( ( ( ~ ( empty @ SV521 )
          | ( element @ SV521 @ SV438 ) )
        = $true )
      | ( ( empty @ SV438 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2434]) ).

thf(2567,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ~ ( ! [SY1062: $i] :
                  ~ ( in @ ( ordered_pair @ SY1062 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
              | ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) ) )
        = $false )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2435]) ).

thf(2568,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SV439 @ SV129 ) @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
              | ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) ) )
        = $false )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2435]) ).

thf(2569,plain,
    ! [SV440: $i,SV129: $i] :
      ( ( ( ~ ! [SY1063: $i] :
                ( ! [SY722: $i] :
                    ~ ( in @ ( ordered_pair @ SY722 @ SY1063 ) @ SV129 )
                | ( in @ SY1063 @ SV440 ) )
          | ~ ! [SY1065: $i] :
                ( ~ ( in @ SY1065 @ SV440 )
                | ( in @ ( ordered_pair @ ( sK18_D @ SY1065 @ SV440 @ SV129 ) @ SY1065 ) @ SV129 ) ) )
        = $false )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2436]) ).

thf(2570,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( ! [SY1118: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SY1118 ) @ SV131 )
                  | ~ ( in @ SY1118 @ SV442 ) )
              | ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
                  | ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) )
              | ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) ) )
        = $false )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2438]) ).

thf(2571,plain,
    ! [SV443: $i,SV131: $i,SV484: $i] :
      ( ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1119: $i] :
                    ( ! [SY1070: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1119 @ SY1070 ) @ SV131 )
                        | ~ ( in @ SY1070 @ SV443 ) )
                    | ( in @ SY1119 @ SV484 ) )
              | ~ ! [SY1121: $i] :
                    ( ~ ( in @ SY1121 @ SV484 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1121 @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
                        | ~ ( in @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) ) ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2439]) ).

thf(2572,plain,
    ! [SV522: $i,SV507: $i,SV296: $i] :
      ( ( ( ( ( sK68_B @ SV296 )
           != ( ordered_pair @ SV507 @ SV522 ) ) )
        = $true )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2440]) ).

thf(2573,plain,
    ! [SV401: $i,SV363: $i,SV132: $i] :
      ( ( ( ~ ( in @ SV132 @ SV363 ) )
        = $true )
      | ( ( ~ ( in @ SV132 @ ( relation_dom @ SV401 ) ) )
        = $true )
      | ( ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV401 @ SV363 ) ) )
        = $true )
      | ( ( relation @ SV401 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2442]) ).

thf(2574,plain,
    ! [SV485: $i,SV132: $i,SV508: $i] :
      ( ( ( ~ ( relation @ SV508 ) )
        = $true )
      | ( ( ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV508 @ SV485 ) ) )
          | ( in @ SV132 @ SV485 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2443]) ).

thf(2575,plain,
    ! [SV486: $i,SV132: $i,SV509: $i] :
      ( ( ( ~ ( relation @ SV509 ) )
        = $true )
      | ( ( ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV509 @ SV486 ) ) )
          | ( in @ SV132 @ ( relation_dom @ SV509 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2444]) ).

thf(2576,plain,
    ! [SV402: $i,SV364: $i,SV133: $i] :
      ( ( ( in @ ( ordered_pair @ SV133 @ SV364 ) @ SV402 )
        = $false )
      | ( ( in @ SV133 @ ( relation_dom @ SV402 ) )
        = $true )
      | ( ( relation @ SV402 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2445]) ).

thf(2577,plain,
    ! [SV403: $i,SV365: $i,SV133: $i] :
      ( ( ( in @ ( ordered_pair @ SV133 @ SV365 ) @ SV403 )
        = $false )
      | ( ( in @ SV365 @ ( relation_rng @ SV403 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2446]) ).

thf(2578,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ~ ( ! [SY1072: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SY1072 ) @ SV134 )
              | ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) ) )
        = $false )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2447]) ).

thf(2579,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ ( sK23_SY466 @ SV445 @ SV134 ) ) @ SV134 )
              | ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) ) )
        = $false )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2447]) ).

thf(2580,plain,
    ! [SV446: $i,SV134: $i] :
      ( ( ( ~ ! [SY1073: $i] :
                ( ! [SY747: $i] :
                    ~ ( in @ ( ordered_pair @ SY1073 @ SY747 ) @ SV134 )
                | ( in @ SY1073 @ SV446 ) )
          | ~ ! [SY1075: $i] :
                ( ~ ( in @ SY1075 @ SV446 )
                | ( in @ ( ordered_pair @ SY1075 @ ( sK21_D @ SY1075 @ SV446 @ SV134 ) ) @ SV134 ) ) )
        = $false )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2448]) ).

thf(2581,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                  | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                   != SV135 ) )
              | ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
                  | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
                   != SV366 ) ) ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2449]) ).

thf(2582,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
          | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
            = SV135 )
          | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
            = SV366 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2450]) ).

thf(2583,plain,
    ! [SV367: $i,SV135: $i,SV405: $i] :
      ( ( ( ~ ! [SY1019: $i] :
                ( ~ ( in @ SY1019 @ SV405 )
                | ( SY1019 = SV135 )
                | ( SY1019 = SV367 ) ) )
        = $false )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2451]) ).

thf(2584,plain,
    ! [SV367: $i,SV405: $i,SV135: $i] :
      ( ( ( ~ ~ ( ~ ! [SY1020: $i] :
                      ( ( SY1020 != SV135 )
                      | ( in @ SY1020 @ SV405 ) )
                | ~ ! [SY1021: $i] :
                      ( ( SY1021 != SV367 )
                      | ( in @ SY1021 @ SV405 ) ) ) )
        = $false )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2451]) ).

thf(2585,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
                  | ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) ) ) )
        = $true )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2452]) ).

thf(2586,plain,
    ! [SV448: $i,SV136: $i] :
      ( ( ( ( SV136 != SV448 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1076: $i,SY1077: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
                    | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) )
              | ~ ! [SY1078: $i,SY1079: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
                    | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2453]) ).

thf(2587,plain,
    ! [SV368: $i,SV298: $i] :
      ( ( ( function @ SV298 )
        = $false )
      | ( ( ~ ( relation @ SV298 ) )
        = $true )
      | ( ( ~ ( relation @ SV368 ) )
        = $true )
      | ( ( ~ ( function @ SV368 ) )
        = $true )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2454]) ).

thf(2588,plain,
    ! [SV369: $i,SV299: $i] :
      ( ( ( function @ SV299 )
        = $false )
      | ( ( ~ ( relation @ SV299 ) )
        = $true )
      | ( ( ~ ( relation @ SV369 ) )
        = $true )
      | ( ( ~ ( function @ SV369 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2455]) ).

thf(2589,plain,
    ! [SV230: $i,SV137: $i,SV523: $i] :
      ( ( ( ~ ( function @ SV523 )
          | ~ ( relation @ SV523 )
          | ~ ( in @ SV137 @ ( relation_dom @ SV523 ) )
          | ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) )
          | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2456]) ).

thf(2590,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ~ ! [SY862: $i] :
                ( ~ ( function @ SY862 )
                | ~ ( relation @ SY862 )
                | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                | ( in @ SV137 @ ( relation_dom @ SY862 ) ) )
          | ~ ! [SY863: $i] :
                ( ~ ( function @ SY863 )
                | ~ ( relation @ SY863 )
                | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2457]) ).

thf(2591,plain,
    ! [SV138: $i,SV487: $i] :
      ( ( ( in @ SV487 @ ( sK41_B @ SV138 ) )
        = $false )
      | ( ( in @ ( powerset @ SV487 ) @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2458]) ).

thf(2592,plain,
    ! [SV138: $i] :
      ( ( ! [SY768: $i,SY769: $i] :
            ( ~ ( in @ SY768 @ ( sK41_B @ SV138 ) )
            | ~ ( subset @ SY769 @ SY768 )
            | ( in @ SY769 @ ( sK41_B @ SV138 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2459]) ).

thf(2593,plain,
    ! [SV138: $i] :
      ( ( in @ SV138 @ ( sK41_B @ SV138 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2460]) ).

thf(2594,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV139 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 ) ) )
        = $true )
      | ( ( subset @ SV139 @ SV449 )
        = $true )
      | ( ( relation @ SV449 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2461]) ).

thf(2595,plain,
    ! [SV450: $i,SV139: $i] :
      ( ( ( ~ ( subset @ SV139 @ SV450 ) )
        = $true )
      | ( ( ! [SY1080: $i,SY1081: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV139 )
              | ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV450 ) ) )
        = $true )
      | ( ( relation @ SV450 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2462]) ).

thf(2596,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( ~ ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 ) )
        = $true )
      | ( ( ~ ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) )
        = $true )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2463]) ).

thf(2597,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
        = $true )
      | ( ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 )
        = $true )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2464]) ).

thf(2598,plain,
    ! [SV301: $i,SV372: $i] :
      ( ( ( ! [SY987: $i] :
              ( ~ ( in @ SY987 @ SV372 )
              | ( subset @ SY987 @ SV301 ) ) )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2465]) ).

thf(2599,plain,
    ! [SV372: $i,SV301: $i] :
      ( ( ( ! [SY988: $i] :
              ( ~ ( subset @ SY988 @ SV301 )
              | ( in @ SY988 @ SV372 ) ) )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2466]) ).

thf(2600,plain,
    ! [SV451: $i,SV140: $i] :
      ( ( ( ~ ( subset @ SV140 @ SV451 ) )
        = $true )
      | ( ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SV451 ) )
        = $true )
      | ( ( relation @ SV451 )
        = $false )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2469]) ).

thf(2601,plain,
    ! [SV452: $i,SV140: $i] :
      ( ( ( ~ ( subset @ SV140 @ SV452 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SV452 ) )
        = $true )
      | ( ( relation @ SV452 )
        = $false )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2470]) ).

thf(2602,plain,
    ! [SV375: $i,SV142: $i,SV406: $i,SV524: $i] :
      ( ( ( ~ ( in @ SV524 @ ( relation_rng @ SV406 ) )
          | ~ ( in @ ( ordered_pair @ SV142 @ SV524 ) @ SV406 )
          | ~ ( in @ SV524 @ SV375 ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) )
        = $true )
      | ( ( relation @ SV406 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2471]) ).

thf(2603,plain,
    ! [SV376: $i,SV407: $i,SV142: $i] :
      ( ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
                    | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
              | ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 ) ) )
        = $true )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2472]) ).

thf(2604,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
                      | ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
                  | ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
              | ~ ( ! [SY1129: $i] :
                      ( ~ ( in @ SY1129 @ SV453 )
                      | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SY1129 ) )
                  | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) ) ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2473]) ).

thf(2605,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( ( SV511
           != ( set_meet @ SV454 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1130: $i] :
                    ( ~ ( ~ ( in @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) @ SV454 )
                        | ~ ~ ( in @ SY1130 @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) ) )
                    | ( in @ SY1130 @ SV511 ) )
              | ~ ! [SY1131: $i] :
                    ( ~ ( in @ SY1131 @ SV511 )
                    | ! [SY1087: $i] :
                        ( ~ ( in @ SY1087 @ SV454 )
                        | ( in @ SY1131 @ SY1087 ) ) ) ) )
        = $true )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2474]) ).

thf(2606,plain,
    ! [SV455: $i,SV525: $i] :
      ( ( ( ( SV525
           != ( set_meet @ SV455 ) )
          | ( SV525 = empty_set ) )
        = $true )
      | ( ( SV455 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2475]) ).

thf(2607,plain,
    ! [SV456: $i,SV526: $i] :
      ( ( ( ( SV526 != empty_set )
          | ( SV526
            = ( set_meet @ SV456 ) ) )
        = $true )
      | ( ( SV456 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2476]) ).

thf(2608,plain,
    ! [SV488: $i,SV457: $i] :
      ( ( ( proper_subset @ SV457 @ SV488 )
        = $false )
      | ( ( ( SV457 != SV488 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2477]) ).

thf(2609,plain,
    ! [SV489: $i,SV458: $i] :
      ( ( ( proper_subset @ SV458 @ SV489 )
        = $false )
      | ( ( subset @ SV458 @ SV489 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2478]) ).

thf(2610,plain,
    ! [SV459: $i,SV231: $i,SV408: $i,SV143: $i] :
      ( ( ( in @ SV143 @ SV408 )
        = $false )
      | ( ( ~ ( in @ SV231 @ SV459 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV408 @ SV459 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2479]) ).

thf(2611,plain,
    ! [SV512: $i,SV231: $i,SV143: $i] :
      ( ( ( ! [SY1133: $i] :
              ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV512 @ SY1133 ) ) )
        = $true )
      | ( ( in @ SV143 @ SV512 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2480]) ).

thf(2612,plain,
    ! [SV527: $i,SV513: $i,SV231: $i,SV143: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV513 @ SV527 ) )
        | ( in @ SV231 @ SV527 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2481]) ).

thf(2613,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                  | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
              | ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
                  | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2482]) ).

thf(2614,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
          | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
          | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2483]) ).

thf(2615,plain,
    ! [SV379: $i,SV144: $i,SV410: $i] :
      ( ( ( ~ ! [SY1024: $i] :
                ( ~ ( in @ SY1024 @ SV410 )
                | ( in @ SY1024 @ SV144 )
                | ( in @ SY1024 @ SV379 ) ) )
        = $false )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2484]) ).

thf(2616,plain,
    ! [SV379: $i,SV410: $i,SV144: $i] :
      ( ( ( ~ ~ ( ~ ! [SY1025: $i] :
                      ( ~ ( in @ SY1025 @ SV144 )
                      | ( in @ SY1025 @ SV410 ) )
                | ~ ! [SY1026: $i] :
                      ( ~ ( in @ SY1026 @ SV379 )
                      | ( in @ SY1026 @ SV410 ) ) ) )
        = $false )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2484]) ).

thf(2617,plain,
    ! [SV380: $i,SV145: $i,SV411: $i,SV528: $i] :
      ( ( ( ~ ( in @ SV528 @ ( relation_dom @ SV411 ) )
          | ~ ( in @ ( ordered_pair @ SV528 @ SV145 ) @ SV411 )
          | ~ ( in @ SV528 @ SV380 ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) )
        = $true )
      | ( ( relation @ SV411 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2485]) ).

thf(2618,plain,
    ! [SV381: $i,SV412: $i,SV145: $i] :
      ( ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
                    | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
              | ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 ) ) )
        = $true )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2486]) ).

thf(2619,plain,
    ! [SV529: $i,SV460: $i] :
      ( ( ( subset @ SV460 @ ( singleton @ SV529 ) )
        = $true )
      | ( ( SV460 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2488]) ).

thf(2620,plain,
    ! [SV492: $i,SV461: $i] :
      ( ( ( SV461
          = ( singleton @ SV492 ) )
        = $false )
      | ( ( subset @ SV461 @ ( singleton @ SV492 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2489]) ).

thf(2621,plain,
    ! [SV312: $i,SV385: $i] :
      ( ( ( in @ ( sK50_C @ SV385 @ SV312 ) @ SV385 )
        = $false )
      | ( ( subset @ SV312 @ SV385 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2493]) ).

thf(2622,plain,
    ! [SV386: $i,SV313: $i,SV494: $i] :
      ( ( ( in @ SV494 @ SV313 )
        = $false )
      | ( ( in @ SV494 @ SV386 )
        = $true )
      | ( ( subset @ SV313 @ SV386 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2494]) ).

thf(2623,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
          | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
          | ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2495]) ).

thf(2624,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
                  | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
              | ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
                  | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2496]) ).

thf(2625,plain,
    ! [SV416: $i,SV388: $i,SV149: $i] :
      ( ( ( ~ ! [SY1030: $i] :
                ( ~ ( in @ SY1030 @ SV149 )
                | ( in @ SY1030 @ SV388 )
                | ( in @ SY1030 @ SV416 ) ) )
        = $false )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2497]) ).

thf(2626,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( ~ ~ ( ~ ! [SY1031: $i] :
                      ( ~ ( in @ SY1031 @ SV416 )
                      | ( in @ SY1031 @ SV149 ) )
                | ~ ! [SY1032: $i] :
                      ( ~ ( in @ SY1032 @ SV416 )
                      | ~ ( in @ SY1032 @ SV388 ) ) ) )
        = $false )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2497]) ).

thf(2627,plain,
    ! [SV178: $i,SV33: $i,SV417: $i] :
      ( ( ( relation @ SV417 )
        = $false )
      | ( ( function @ SV417 )
        = $false )
      | ( ( ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SV417 @ SV178 ) ) )
          | ( ( apply @ ( relation_composition @ SV417 @ SV178 ) @ SV33 )
            = ( apply @ SV178 @ ( apply @ SV417 @ SV33 ) ) ) )
        = $true )
      | ( ( function @ SV178 )
        = $false )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2498]) ).

thf(2628,plain,
    ! [SV179: $i,SV34: $i,SV418: $i] :
      ( ( ( relation @ SV418 )
        = $false )
      | ( ( function @ SV418 )
        = $false )
      | ( ( ~ ( in @ SV34 @ ( relation_dom @ SV179 ) )
          | ( ( apply @ ( relation_composition @ SV179 @ SV418 ) @ SV34 )
            = ( apply @ SV418 @ ( apply @ SV179 @ SV34 ) ) ) )
        = $true )
      | ( ( function @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2499]) ).

thf(2629,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
          | ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 ) )
        = $true )
      | ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2500]) ).

thf(2630,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
              | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
          | ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
              | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) )
        = $false )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2501]) ).

thf(2631,plain,
    ! [SV391: $i,SV323: $i,SV112: $i] :
      ( ( ( ! [SY1008: $i] :
              ( ~ ( in @ SY1008 @ SV112 )
              | ~ ( in @ SY1008 @ SV323 )
              | ( in @ SY1008 @ SV391 ) ) )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2502]) ).

thf(2632,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( ~ ( ~ ! [SY1009: $i] :
                    ( ~ ( in @ SY1009 @ SV391 )
                    | ( in @ SY1009 @ SV112 ) )
              | ~ ! [SY1010: $i] :
                    ( ~ ( in @ SY1010 @ SV391 )
                    | ( in @ SY1010 @ SV323 ) ) ) )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2503]) ).

thf(2633,plain,
    ! [SV530: $i,SV258: $i,SV324: $i] :
      ( ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV530 )
          | ~ ( in @ SV530 @ SV258 ) )
        = $true )
      | ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2504]) ).

thf(2634,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
          | ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) )
        = $false )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2505]) ).

thf(2635,plain,
    ! [SV325: $i,SV259: $i,SV531: $i] :
      ( ( ( ! [SY1141: $i] :
              ( ~ ( in @ SV531 @ SY1141 )
              | ~ ( in @ SY1141 @ SV259 ) )
          | ( in @ SV531 @ SV325 ) )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2506]) ).

thf(2636,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( ~ ( in @ SV532 @ SV325 )
          | ~ ( ~ ( in @ SV532 @ ( sK46_D @ SV532 @ SV325 @ SV259 ) )
              | ~ ( in @ ( sK46_D @ SV532 @ SV325 @ SV259 ) @ SV259 ) ) )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2507]) ).

thf(2637,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                  | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
              | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                        | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) ) ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2508]) ).

thf(2638,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ( SV464
           != ( relation_rng_restriction @ SV113 @ SV225 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1094: $i,SY1095: $i] :
                    ( ~ ( in @ SY1095 @ SV113 )
                    | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
                    | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) )
              | ~ ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                          | ( in @ SY1097 @ SV113 ) )
                    | ~ ! [SY1098: $i,SY1099: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                          | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) ) )
        = $true )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2509]) ).

thf(2639,plain,
    ! [SV392: $i,SV114: $i,SV419: $i,SV226: $i] :
      ( ( ( in @ SV226 @ SV419 )
        = $false )
      | ( ( in @ SV114 @ SV392 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV392 @ SV419 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2510]) ).

thf(2640,plain,
    ! [SV533: $i,SV495: $i,SV226: $i,SV114: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV495 @ SV533 ) ) )
        = $true )
      | ( ( in @ SV114 @ SV495 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2511]) ).

thf(2641,plain,
    ! [SV514: $i,SV496: $i,SV226: $i,SV114: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV496 @ SV514 ) ) )
        = $true )
      | ( ( in @ SV226 @ SV514 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2512]) ).

thf(2642,plain,
    ! [SV420: $i,SV329: $i,SV263: $i] :
      ( ( ( disjoint @ SV263 @ SV329 )
        = $false )
      | ( ( in @ SV420 @ SV263 )
        = $false )
      | ( ( in @ SV420 @ SV329 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2513]) ).

thf(2643,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( ( sK62_C @ SV330 @ SV264 )
          = SV264 )
        = $false )
      | ( ( ~ ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 ) )
        = $true )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2514]) ).

thf(2644,plain,
    ! [SV331: $i,SV265: $i,SV534: $i] :
      ( ( ( ( SV534 != SV265 )
          | ( in @ SV534 @ SV331 ) )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2516]) ).

thf(2645,plain,
    ! [SV265: $i,SV331: $i,SV535: $i] :
      ( ( ( ~ ( in @ SV535 @ SV331 )
          | ( SV535 = SV265 ) )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2517]) ).

thf(2646,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ( ~ ! [SY1100: $i] :
                ( ~ ( subset @ SY1100 @ SV465 )
                | ( in @ SY1100 @ ( sK43_SY481 @ SV465 @ SV115 ) ) ) )
        = $false )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2518]) ).

thf(2647,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ( ~ ( in @ ( sK43_SY481 @ SV465 @ SV115 ) @ ( sK42_B @ SV115 ) ) )
        = $false )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2518]) ).

thf(2648,plain,
    ! [SV115: $i,SV536: $i] :
      ( ( ! [SY1142: $i] :
            ( ~ ( in @ SV536 @ ( sK42_B @ SV115 ) )
            | ~ ( subset @ SY1142 @ SV536 )
            | ( in @ SY1142 @ ( sK42_B @ SV115 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2519]) ).

thf(2649,plain,
    ! [SV116: $i] :
      ( ( ( ! [SY635: $i] :
              ( ~ ( in @ SY635 @ ( relation_dom @ SV116 ) )
              | ! [SY636: $i] :
                  ( ( SY636
                   != ( apply @ SV116 @ SY635 ) )
                  | ( in @ ( ordered_pair @ SY635 @ SY636 ) @ SV116 ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2523]) ).

thf(2650,plain,
    ! [SV116: $i] :
      ( ( ( ! [SY637: $i] :
              ( ~ ( in @ SY637 @ ( relation_dom @ SV116 ) )
              | ! [SY638: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY637 @ SY638 ) @ SV116 )
                  | ( SY638
                    = ( apply @ SV116 @ SY637 ) ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2524]) ).

thf(2651,plain,
    ! [SV116: $i] :
      ( ( ( ! [SY639: $i] :
              ( ( in @ SY639 @ ( relation_dom @ SV116 ) )
              | ! [SY640: $i] :
                  ( ( SY640
                   != ( apply @ SV116 @ SY639 ) )
                  | ( SY640 = empty_set ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2525]) ).

thf(2652,plain,
    ! [SV116: $i] :
      ( ( ( ! [SY641: $i] :
              ( ( in @ SY641 @ ( relation_dom @ SV116 ) )
              | ! [SY642: $i] :
                  ( ( SY642 != empty_set )
                  | ( SY642
                    = ( apply @ SV116 @ SY641 ) ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2526]) ).

thf(2653,plain,
    ! [SV393: $i,SV334: $i,SV117: $i] :
      ( ( ( ! [SY1012: $i,SY1013: $i] :
              ( ~ ( in @ SY1012 @ SV117 )
              | ~ ( in @ SY1013 @ SV334 )
              | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
               != ( ordered_pair @ SY1012 @ SY1013 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2527]) ).

thf(2654,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                    | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
              | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
               != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2528]) ).

thf(2655,plain,
    ! [SV394: $i,SV335: $i,SV117: $i] :
      ( ( ( ! [SY1014: $i] :
              ( ! [SY964: $i,SY965: $i] :
                  ( ~ ( in @ SY964 @ SV117 )
                  | ~ ( in @ SY965 @ SV335 )
                  | ( SY1014
                   != ( ordered_pair @ SY964 @ SY965 ) ) )
              | ( in @ SY1014 @ SV394 ) ) )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2529]) ).

thf(2656,plain,
    ! [SV117: $i,SV335: $i,SV394: $i] :
      ( ( ( ! [SY1017: $i] :
              ( ~ ( in @ SY1017 @ SV394 )
              | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                        | ~ ( in @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
                  | ( SY1017
                   != ( ordered_pair @ ( sK51_E @ SY1017 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SY1017 @ SV394 @ SV335 @ SV117 ) ) ) ) ) )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2530]) ).

thf(2657,plain,
    ! [SV118: $i,SV395: $i,SV338: $i] :
      ( ( ( ( SV338
           != ( apply @ SV395 @ SV118 ) )
          | ~ ( in @ SV118 @ ( relation_dom @ SV395 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 )
        = $true )
      | ( ( function @ SV395 )
        = $false )
      | ( ( relation @ SV395 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2531]) ).

thf(2658,plain,
    ! [SV467: $i,SV118: $i,SV497: $i] :
      ( ( ( ~ ( function @ SV497 ) )
        = $true )
      | ( ( ~ ( relation @ SV497 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SV497 )
          | ( SV467
            = ( apply @ SV497 @ SV118 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2532]) ).

thf(2659,plain,
    ! [SV468: $i,SV118: $i,SV498: $i] :
      ( ( ( ~ ( function @ SV498 ) )
        = $true )
      | ( ( ~ ( relation @ SV498 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SV498 )
          | ( in @ SV118 @ ( relation_dom @ SV498 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2533]) ).

thf(2660,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ( ( sK69_C @ SV339 @ SV273 )
           != ( sK70_SY500 @ SV339 @ SV273 ) )
          | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
          | ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2534]) ).

thf(2661,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                    = ( sK70_SY500 @ SV339 @ SV273 ) )
                  | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
              | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
                  | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2535]) ).

thf(2662,plain,
    ! [SV340: $i,SV274: $i] :
      ( ( ( ~ ! [SY968: $i,SY969: $i] :
                ( ( SY968 != SY969 )
                | ~ ( in @ SY968 @ SV274 )
                | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) ) )
        = $false )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2536]) ).

thf(2663,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ~ ~ ( ~ ! [SY970: $i,SY971: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                      | ( SY970 = SY971 ) )
                | ~ ! [SY972: $i] :
                      ( ! [SY973: $i] :
                          ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                      | ( in @ SY972 @ SV274 ) ) ) )
        = $false )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2536]) ).

thf(2664,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( relation @ SV516 ) )
        = $true )
      | ( ( ~ ( ~ ( ! [SY1135: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) ) )
          | ( SV516
            = ( relation_composition @ SV120 @ SV275 ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2537]) ).

thf(2665,plain,
    ! [SV275: $i,SV120: $i,SV517: $i] :
      ( ( ( ~ ( relation @ SV517 ) )
        = $true )
      | ( ( ( SV517
           != ( relation_composition @ SV120 @ SV275 ) )
          | ~ ( ~ ! [SY1136: $i,SY1137: $i] :
                    ( ! [SY909: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
                    | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) )
              | ~ ! [SY1139: $i,SY1140: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2538]) ).

thf(2666,plain,
    ! [SV121: $i,SV469: $i,SV227: $i] :
      ( ( ( ~ ( disjoint @ SV227 @ SV469 ) )
        = $true )
      | ( ( subset @ SV227 @ ( subset_complement @ SV121 @ SV469 ) )
        = $true )
      | ( ( element @ SV469 @ ( powerset @ SV121 ) )
        = $false )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2539]) ).

thf(2667,plain,
    ! [SV470: $i,SV121: $i,SV227: $i] :
      ( ( ( ~ ( subset @ SV227 @ ( subset_complement @ SV121 @ SV470 ) ) )
        = $true )
      | ( ( disjoint @ SV227 @ SV470 )
        = $true )
      | ( ( element @ SV470 @ ( powerset @ SV121 ) )
        = $false )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2540]) ).

thf(2668,plain,
    ! [SV396: $i,SV341: $i,SV122: $i] :
      ( ( ( in @ SV122 @ SV341 )
        = $false )
      | ( ( ~ ( in @ SV122 @ ( relation_rng @ SV396 ) ) )
        = $true )
      | ( ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SV396 ) ) )
        = $true )
      | ( ( relation @ SV396 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2541]) ).

thf(2669,plain,
    ! [SV471: $i,SV122: $i,SV499: $i] :
      ( ( ( relation @ SV499 )
        = $false )
      | ( ( ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV471 @ SV499 ) ) )
          | ( in @ SV122 @ SV471 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2542]) ).

thf(2670,plain,
    ! [SV472: $i,SV122: $i,SV500: $i] :
      ( ( ( relation @ SV500 )
        = $false )
      | ( ( ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV472 @ SV500 ) ) )
          | ( in @ SV122 @ ( relation_rng @ SV500 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2543]) ).

thf(2671,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                  | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
              | ~ ~ ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                        | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) ) ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2544]) ).

thf(2672,plain,
    ! [SV425: $i,SV123: $i,SV474: $i] :
      ( ( ( ( SV474
           != ( relation_dom_restriction @ SV123 @ SV425 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1105: $i,SY1106: $i] :
                    ( ~ ( in @ SY1105 @ SV425 )
                    | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) )
              | ~ ~ ( ~ ! [SY1107: $i] :
                          ( ! [SY1108: $i] :
                              ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                          | ( in @ SY1107 @ SV425 ) )
                    | ~ ! [SY1109: $i,SY1110: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                          | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) ) )
        = $true )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2545]) ).

thf(2673,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
              | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
              | ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2546]) ).

thf(2674,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1043: $i,SY1044: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
                    | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) )
              | ~ ! [SY1045: $i,SY1046: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
                    | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) ) )
        = $true )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2547]) ).

thf(2675,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
              | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
                   != ( sK38_C @ SV348 @ SV282 ) ) ) ) )
        = $true )
      | ( ( ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2548]) ).

thf(2676,plain,
    ! [SV428: $i,SV475: $i] :
      ( ( ( function @ SV475 )
        = $false )
      | ( ( ~ ( relation @ SV475 ) )
        = $true )
      | ( ( ( SV475
           != ( identity_relation @ SV428 ) )
          | ! [SY1111: $i] :
              ( ~ ( in @ SY1111 @ SV428 )
              | ( ( apply @ SV475 @ SY1111 )
                = SY1111 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2549]) ).

thf(2677,plain,
    ! [SV429: $i,SV476: $i] :
      ( ( ( function @ SV476 )
        = $false )
      | ( ( ~ ( relation @ SV476 ) )
        = $true )
      | ( ( ( SV476
           != ( identity_relation @ SV429 ) )
          | ( ( relation_dom @ SV476 )
            = SV429 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2550]) ).

thf(2678,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( ! [SY1112: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY1112 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                  | ~ ( in @ SY1112 @ SV432 ) )
              | ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) ) )
        = $false )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2553]) ).

thf(2679,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
                  | ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) )
              | ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) ) )
        = $false )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2553]) ).

thf(2680,plain,
    ! [SV480: $i,SV433: $i,SV125: $i] :
      ( ( ( ~ ! [SY1113: $i] :
                ( ! [SY1056: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1056 @ SY1113 ) @ SV125 )
                    | ~ ( in @ SY1056 @ SV433 ) )
                | ( in @ SY1113 @ SV480 ) )
          | ~ ! [SY1115: $i] :
                ( ~ ( in @ SY1115 @ SV480 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SY1115 ) @ SV125 )
                    | ~ ( in @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) ) )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2554]) ).

thf(2681,plain,
    ! [SV434: $i,SV228: $i,SV399: $i,SV127: $i] :
      ( ( ( ~ ( in @ SV127 @ SV399 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV434 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SV434 ) )
        = $true )
      | ( ( relation @ SV434 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2557]) ).

thf(2682,plain,
    ! [SV501: $i,SV228: $i,SV127: $i,SV518: $i] :
      ( ( ( ~ ( relation @ SV518 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV501 ) @ SV518 ) )
          | ( in @ SV127 @ SV501 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2558]) ).

thf(2683,plain,
    ! [SV502: $i,SV228: $i,SV127: $i,SV519: $i] :
      ( ( ( ~ ( relation @ SV519 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV502 ) @ SV519 ) )
          | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV519 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2559]) ).

thf(2684,plain,
    ! [SV503: $i,SV481: $i,SV128: $i] :
      ( ( ( subset @ ( unordered_pair @ SV128 @ SV481 ) @ SV503 )
        = $false )
      | ( ( in @ SV128 @ SV503 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2561]) ).

thf(2685,plain,
    ! [SV504: $i,SV482: $i,SV128: $i] :
      ( ( ( subset @ ( unordered_pair @ SV128 @ SV482 ) @ SV504 )
        = $false )
      | ( ( in @ SV482 @ SV504 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2562]) ).

thf(2686,plain,
    ! [SV435: $i,SV505: $i] :
      ( ( ( element @ SV505 @ SV435 )
        = $false )
      | ( ( in @ SV505 @ SV435 )
        = $true )
      | ( ( empty @ SV435 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2563]) ).

thf(2687,plain,
    ! [SV436: $i,SV506: $i] :
      ( ( ( in @ SV506 @ SV436 )
        = $false )
      | ( ( element @ SV506 @ SV436 )
        = $true )
      | ( ( empty @ SV436 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2564]) ).

thf(2688,plain,
    ! [SV437: $i,SV520: $i] :
      ( ( ( ~ ( element @ SV520 @ SV437 ) )
        = $true )
      | ( ( empty @ SV520 )
        = $true )
      | ( ( empty @ SV437 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2565]) ).

thf(2689,plain,
    ! [SV438: $i,SV521: $i] :
      ( ( ( ~ ( empty @ SV521 ) )
        = $true )
      | ( ( element @ SV521 @ SV438 )
        = $true )
      | ( ( empty @ SV438 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2566]) ).

thf(2690,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ! [SY1062: $i] :
              ~ ( in @ ( ordered_pair @ SY1062 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
          | ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
        = $true )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2567]) ).

thf(2691,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SV439 @ SV129 ) @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
          | ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
        = $true )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2568]) ).

thf(2692,plain,
    ! [SV440: $i,SV129: $i] :
      ( ( ( ~ ! [SY1063: $i] :
                ( ! [SY722: $i] :
                    ~ ( in @ ( ordered_pair @ SY722 @ SY1063 ) @ SV129 )
                | ( in @ SY1063 @ SV440 ) ) )
        = $false )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2569]) ).

thf(2693,plain,
    ! [SV129: $i,SV440: $i] :
      ( ( ( ~ ! [SY1065: $i] :
                ( ~ ( in @ SY1065 @ SV440 )
                | ( in @ ( ordered_pair @ ( sK18_D @ SY1065 @ SV440 @ SV129 ) @ SY1065 ) @ SV129 ) ) )
        = $false )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2569]) ).

thf(2694,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( ! [SY1118: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SY1118 ) @ SV131 )
                  | ~ ( in @ SY1118 @ SV442 ) )
              | ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) ) )
        = $false )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2570]) ).

thf(2695,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
                  | ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) )
              | ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) ) )
        = $false )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2570]) ).

thf(2696,plain,
    ! [SV484: $i,SV443: $i,SV131: $i] :
      ( ( ( ~ ! [SY1119: $i] :
                ( ! [SY1070: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1119 @ SY1070 ) @ SV131 )
                    | ~ ( in @ SY1070 @ SV443 ) )
                | ( in @ SY1119 @ SV484 ) )
          | ~ ! [SY1121: $i] :
                ( ~ ( in @ SY1121 @ SV484 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY1121 @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
                    | ~ ( in @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) ) )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2571]) ).

thf(2697,plain,
    ! [SV522: $i,SV507: $i,SV296: $i] :
      ( ( ( ( sK68_B @ SV296 )
          = ( ordered_pair @ SV507 @ SV522 ) )
        = $false )
      | ( ( relation @ SV296 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2572]) ).

thf(2698,plain,
    ! [SV401: $i,SV363: $i,SV132: $i] :
      ( ( ( in @ SV132 @ SV363 )
        = $false )
      | ( ( ~ ( in @ SV132 @ ( relation_dom @ SV401 ) ) )
        = $true )
      | ( ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV401 @ SV363 ) ) )
        = $true )
      | ( ( relation @ SV401 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2573]) ).

thf(2699,plain,
    ! [SV485: $i,SV132: $i,SV508: $i] :
      ( ( ( relation @ SV508 )
        = $false )
      | ( ( ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV508 @ SV485 ) ) )
          | ( in @ SV132 @ SV485 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2574]) ).

thf(2700,plain,
    ! [SV486: $i,SV132: $i,SV509: $i] :
      ( ( ( relation @ SV509 )
        = $false )
      | ( ( ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV509 @ SV486 ) ) )
          | ( in @ SV132 @ ( relation_dom @ SV509 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2575]) ).

thf(2701,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ! [SY1072: $i] :
              ~ ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SY1072 ) @ SV134 )
          | ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
        = $true )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2578]) ).

thf(2702,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ ( sK23_SY466 @ SV445 @ SV134 ) ) @ SV134 )
          | ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
        = $true )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2579]) ).

thf(2703,plain,
    ! [SV446: $i,SV134: $i] :
      ( ( ( ~ ! [SY1073: $i] :
                ( ! [SY747: $i] :
                    ~ ( in @ ( ordered_pair @ SY1073 @ SY747 ) @ SV134 )
                | ( in @ SY1073 @ SV446 ) ) )
        = $false )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2580]) ).

thf(2704,plain,
    ! [SV134: $i,SV446: $i] :
      ( ( ( ~ ! [SY1075: $i] :
                ( ~ ( in @ SY1075 @ SV446 )
                | ( in @ ( ordered_pair @ SY1075 @ ( sK21_D @ SY1075 @ SV446 @ SV134 ) ) @ SV134 ) ) )
        = $false )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2580]) ).

thf(2705,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
               != SV135 ) )
          | ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
               != SV366 ) ) )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2581]) ).

thf(2706,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
        = $true )
      | ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
            = SV135 )
          | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
            = SV366 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2582]) ).

thf(2707,plain,
    ! [SV367: $i,SV135: $i,SV405: $i] :
      ( ( ( ! [SY1019: $i] :
              ( ~ ( in @ SY1019 @ SV405 )
              | ( SY1019 = SV135 )
              | ( SY1019 = SV367 ) ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2583]) ).

thf(2708,plain,
    ! [SV367: $i,SV405: $i,SV135: $i] :
      ( ( ( ~ ( ~ ! [SY1020: $i] :
                    ( ( SY1020 != SV135 )
                    | ( in @ SY1020 @ SV405 ) )
              | ~ ! [SY1021: $i] :
                    ( ( SY1021 != SV367 )
                    | ( in @ SY1021 @ SV405 ) ) ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2584]) ).

thf(2709,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
              | ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
              | ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) ) )
        = $false )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2585]) ).

thf(2710,plain,
    ! [SV448: $i,SV136: $i] :
      ( ( ( SV136 = SV448 )
        = $false )
      | ( ( ~ ( ~ ! [SY1076: $i,SY1077: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
                    | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) )
              | ~ ! [SY1078: $i,SY1079: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
                    | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2586]) ).

thf(2711,plain,
    ! [SV368: $i,SV298: $i] :
      ( ( ( relation @ SV298 )
        = $false )
      | ( ( function @ SV298 )
        = $false )
      | ( ( ~ ( relation @ SV368 ) )
        = $true )
      | ( ( ~ ( function @ SV368 ) )
        = $true )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2587]) ).

thf(2712,plain,
    ! [SV369: $i,SV299: $i] :
      ( ( ( relation @ SV299 )
        = $false )
      | ( ( function @ SV299 )
        = $false )
      | ( ( ~ ( relation @ SV369 ) )
        = $true )
      | ( ( ~ ( function @ SV369 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2588]) ).

thf(2713,plain,
    ! [SV230: $i,SV137: $i,SV523: $i] :
      ( ( ( ~ ( function @ SV523 )
          | ~ ( relation @ SV523 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ SV523 ) )
          | ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) )
          | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2589]) ).

thf(2714,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ~ ! [SY862: $i] :
                ( ~ ( function @ SY862 )
                | ~ ( relation @ SY862 )
                | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
                | ( in @ SV137 @ ( relation_dom @ SY862 ) ) ) )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2590]) ).

thf(2715,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ~ ! [SY863: $i] :
                ( ~ ( function @ SY863 )
                | ~ ( relation @ SY863 )
                | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
                | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2590]) ).

thf(2716,plain,
    ! [SV138: $i,SV537: $i] :
      ( ( ! [SY1143: $i] :
            ( ~ ( in @ SV537 @ ( sK41_B @ SV138 ) )
            | ~ ( subset @ SY1143 @ SV537 )
            | ( in @ SY1143 @ ( sK41_B @ SV138 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2592]) ).

thf(2717,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV139 )
          | ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 ) )
        = $false )
      | ( ( subset @ SV139 @ SV449 )
        = $true )
      | ( ( relation @ SV449 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2594]) ).

thf(2718,plain,
    ! [SV450: $i,SV139: $i] :
      ( ( ( subset @ SV139 @ SV450 )
        = $false )
      | ( ( ! [SY1080: $i,SY1081: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV139 )
              | ( in @ ( ordered_pair @ SY1080 @ SY1081 ) @ SV450 ) ) )
        = $true )
      | ( ( relation @ SV450 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2595]) ).

thf(2719,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
        = $false )
      | ( ( ~ ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 ) )
        = $true )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2596]) ).

thf(2720,plain,
    ! [SV301: $i,SV372: $i,SV538: $i] :
      ( ( ( ~ ( in @ SV538 @ SV372 )
          | ( subset @ SV538 @ SV301 ) )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2598]) ).

thf(2721,plain,
    ! [SV372: $i,SV301: $i,SV539: $i] :
      ( ( ( ~ ( subset @ SV539 @ SV301 )
          | ( in @ SV539 @ SV372 ) )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2599]) ).

thf(2722,plain,
    ! [SV451: $i,SV140: $i] :
      ( ( ( subset @ SV140 @ SV451 )
        = $false )
      | ( ( subset @ ( relation_dom @ SV140 ) @ ( relation_dom @ SV451 ) )
        = $true )
      | ( ( relation @ SV451 )
        = $false )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2600]) ).

thf(2723,plain,
    ! [SV452: $i,SV140: $i] :
      ( ( ( subset @ SV140 @ SV452 )
        = $false )
      | ( ( subset @ ( relation_rng @ SV140 ) @ ( relation_rng @ SV452 ) )
        = $true )
      | ( ( relation @ SV452 )
        = $false )
      | ( ( relation @ SV140 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2601]) ).

thf(2724,plain,
    ! [SV375: $i,SV142: $i,SV406: $i,SV524: $i] :
      ( ( ( ~ ( in @ SV524 @ ( relation_rng @ SV406 ) )
          | ~ ( in @ ( ordered_pair @ SV142 @ SV524 ) @ SV406 ) )
        = $true )
      | ( ( ~ ( in @ SV524 @ SV375 ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) )
        = $true )
      | ( ( relation @ SV406 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2602]) ).

thf(2725,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
                | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
          | ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 ) )
        = $false )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2603]) ).

thf(2726,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
                  | ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
              | ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
          | ~ ( ! [SY1129: $i] :
                  ( ~ ( in @ SY1129 @ SV453 )
                  | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SY1129 ) )
              | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) ) )
        = $false )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2604]) ).

thf(2727,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1130: $i] :
                    ( ~ ( ~ ( in @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) @ SV454 )
                        | ~ ~ ( in @ SY1130 @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) ) )
                    | ( in @ SY1130 @ SV511 ) )
              | ~ ! [SY1131: $i] :
                    ( ~ ( in @ SY1131 @ SV511 )
                    | ! [SY1087: $i] :
                        ( ~ ( in @ SY1087 @ SV454 )
                        | ( in @ SY1131 @ SY1087 ) ) ) ) )
        = $true )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2605]) ).

thf(2728,plain,
    ! [SV455: $i,SV525: $i] :
      ( ( ( ( SV525
           != ( set_meet @ SV455 ) ) )
        = $true )
      | ( ( SV525 = empty_set )
        = $true )
      | ( ( SV455 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2606]) ).

thf(2729,plain,
    ! [SV456: $i,SV526: $i] :
      ( ( ( ( SV526 != empty_set ) )
        = $true )
      | ( ( SV526
          = ( set_meet @ SV456 ) )
        = $true )
      | ( ( SV456 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2607]) ).

thf(2730,plain,
    ! [SV488: $i,SV457: $i] :
      ( ( ( SV457 = SV488 )
        = $false )
      | ( ( proper_subset @ SV457 @ SV488 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2608]) ).

thf(2731,plain,
    ! [SV408: $i,SV143: $i,SV459: $i,SV231: $i] :
      ( ( ( in @ SV231 @ SV459 )
        = $false )
      | ( ( in @ SV143 @ SV408 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV408 @ SV459 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2610]) ).

thf(2732,plain,
    ! [SV540: $i,SV512: $i,SV231: $i,SV143: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV512 @ SV540 ) ) )
        = $true )
      | ( ( in @ SV143 @ SV512 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2611]) ).

thf(2733,plain,
    ! [SV527: $i,SV513: $i,SV231: $i,SV143: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV513 @ SV527 ) ) )
        = $true )
      | ( ( in @ SV231 @ SV527 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2612]) ).

thf(2734,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
              | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
          | ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
              | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2613]) ).

thf(2735,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
        = $true )
      | ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
          | ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2614]) ).

thf(2736,plain,
    ! [SV379: $i,SV144: $i,SV410: $i] :
      ( ( ( ! [SY1024: $i] :
              ( ~ ( in @ SY1024 @ SV410 )
              | ( in @ SY1024 @ SV144 )
              | ( in @ SY1024 @ SV379 ) ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2615]) ).

thf(2737,plain,
    ! [SV379: $i,SV410: $i,SV144: $i] :
      ( ( ( ~ ( ~ ! [SY1025: $i] :
                    ( ~ ( in @ SY1025 @ SV144 )
                    | ( in @ SY1025 @ SV410 ) )
              | ~ ! [SY1026: $i] :
                    ( ~ ( in @ SY1026 @ SV379 )
                    | ( in @ SY1026 @ SV410 ) ) ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2616]) ).

thf(2738,plain,
    ! [SV380: $i,SV145: $i,SV411: $i,SV528: $i] :
      ( ( ( ~ ( in @ SV528 @ ( relation_dom @ SV411 ) )
          | ~ ( in @ ( ordered_pair @ SV528 @ SV145 ) @ SV411 ) )
        = $true )
      | ( ( ~ ( in @ SV528 @ SV380 ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) )
        = $true )
      | ( ( relation @ SV411 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2617]) ).

thf(2739,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
                | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
          | ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 ) )
        = $false )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2618]) ).

thf(2740,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
          | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 ) )
        = $true )
      | ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2623]) ).

thf(2741,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
              | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
          | ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
              | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) )
        = $false )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2624]) ).

thf(2742,plain,
    ! [SV416: $i,SV388: $i,SV149: $i] :
      ( ( ( ! [SY1030: $i] :
              ( ~ ( in @ SY1030 @ SV149 )
              | ( in @ SY1030 @ SV388 )
              | ( in @ SY1030 @ SV416 ) ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2625]) ).

thf(2743,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( ~ ( ~ ! [SY1031: $i] :
                    ( ~ ( in @ SY1031 @ SV416 )
                    | ( in @ SY1031 @ SV149 ) )
              | ~ ! [SY1032: $i] :
                    ( ~ ( in @ SY1032 @ SV416 )
                    | ~ ( in @ SY1032 @ SV388 ) ) ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2626]) ).

thf(2744,plain,
    ! [SV178: $i,SV417: $i,SV33: $i] :
      ( ( ( ~ ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SV417 @ SV178 ) ) ) )
        = $true )
      | ( ( ( apply @ ( relation_composition @ SV417 @ SV178 ) @ SV33 )
          = ( apply @ SV178 @ ( apply @ SV417 @ SV33 ) ) )
        = $true )
      | ( ( function @ SV417 )
        = $false )
      | ( ( relation @ SV417 )
        = $false )
      | ( ( function @ SV178 )
        = $false )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2627]) ).

thf(2745,plain,
    ! [SV418: $i,SV179: $i,SV34: $i] :
      ( ( ( ~ ( in @ SV34 @ ( relation_dom @ SV179 ) ) )
        = $true )
      | ( ( ( apply @ ( relation_composition @ SV179 @ SV418 ) @ SV34 )
          = ( apply @ SV418 @ ( apply @ SV179 @ SV34 ) ) )
        = $true )
      | ( ( function @ SV418 )
        = $false )
      | ( ( relation @ SV418 )
        = $false )
      | ( ( function @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2628]) ).

thf(2746,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 ) )
        = $true )
      | ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 ) )
        = $true )
      | ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2629]) ).

thf(2747,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
              | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) )
        = $false )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2630]) ).

thf(2748,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ~ ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
              | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) ) )
        = $false )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2630]) ).

thf(2749,plain,
    ! [SV391: $i,SV323: $i,SV112: $i,SV541: $i] :
      ( ( ( ~ ( in @ SV541 @ SV112 )
          | ~ ( in @ SV541 @ SV323 )
          | ( in @ SV541 @ SV391 ) )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2631]) ).

thf(2750,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( ~ ! [SY1009: $i] :
                ( ~ ( in @ SY1009 @ SV391 )
                | ( in @ SY1009 @ SV112 ) )
          | ~ ! [SY1010: $i] :
                ( ~ ( in @ SY1010 @ SV391 )
                | ( in @ SY1010 @ SV323 ) ) )
        = $false )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2632]) ).

thf(2751,plain,
    ! [SV530: $i,SV258: $i,SV324: $i] :
      ( ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV530 ) )
        = $true )
      | ( ( ~ ( in @ SV530 @ SV258 ) )
        = $true )
      | ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2633]) ).

thf(2752,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) ) )
        = $false )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2634]) ).

thf(2753,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( ~ ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 ) )
        = $false )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2634]) ).

thf(2754,plain,
    ! [SV325: $i,SV259: $i,SV531: $i] :
      ( ( ( ! [SY1141: $i] :
              ( ~ ( in @ SV531 @ SY1141 )
              | ~ ( in @ SY1141 @ SV259 ) ) )
        = $true )
      | ( ( in @ SV531 @ SV325 )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2635]) ).

thf(2755,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( ~ ( in @ SV532 @ SV325 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV532 @ ( sK46_D @ SV532 @ SV325 @ SV259 ) )
              | ~ ( in @ ( sK46_D @ SV532 @ SV325 @ SV259 ) @ SV259 ) ) )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2636]) ).

thf(2756,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
              | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
              | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
          | ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                    | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
                | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                    | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) ) )
        = $false )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2637]) ).

thf(2757,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1094: $i,SY1095: $i] :
                    ( ~ ( in @ SY1095 @ SV113 )
                    | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
                    | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) )
              | ~ ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                          | ( in @ SY1097 @ SV113 ) )
                    | ~ ! [SY1098: $i,SY1099: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                          | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) ) )
        = $true )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2638]) ).

thf(2758,plain,
    ! [SV533: $i,SV495: $i,SV226: $i,SV114: $i] :
      ( ( ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV495 @ SV533 ) )
        = $false )
      | ( ( in @ SV114 @ SV495 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2640]) ).

thf(2759,plain,
    ! [SV514: $i,SV496: $i,SV226: $i,SV114: $i] :
      ( ( ( in @ ( ordered_pair @ SV114 @ SV226 ) @ ( cartesian_product2 @ SV496 @ SV514 ) )
        = $false )
      | ( ( in @ SV226 @ SV514 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2641]) ).

thf(2760,plain,
    ! [SV264: $i,SV330: $i] :
      ( ( ( in @ ( sK62_C @ SV330 @ SV264 ) @ SV330 )
        = $false )
      | ( ( ( sK62_C @ SV330 @ SV264 )
          = SV264 )
        = $false )
      | ( ( SV330
          = ( singleton @ SV264 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2643]) ).

thf(2761,plain,
    ! [SV331: $i,SV265: $i,SV534: $i] :
      ( ( ( ( SV534 != SV265 ) )
        = $true )
      | ( ( in @ SV534 @ SV331 )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2644]) ).

thf(2762,plain,
    ! [SV265: $i,SV331: $i,SV535: $i] :
      ( ( ( ~ ( in @ SV535 @ SV331 ) )
        = $true )
      | ( ( SV535 = SV265 )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2645]) ).

thf(2763,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ( ! [SY1100: $i] :
              ( ~ ( subset @ SY1100 @ SV465 )
              | ( in @ SY1100 @ ( sK43_SY481 @ SV465 @ SV115 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2646]) ).

thf(2764,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ( in @ ( sK43_SY481 @ SV465 @ SV115 ) @ ( sK42_B @ SV115 ) )
        = $true )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2647]) ).

thf(2765,plain,
    ! [SV542: $i,SV115: $i,SV536: $i] :
      ( ( ~ ( in @ SV536 @ ( sK42_B @ SV115 ) )
        | ~ ( subset @ SV542 @ SV536 )
        | ( in @ SV542 @ ( sK42_B @ SV115 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2648]) ).

thf(2766,plain,
    ! [SV116: $i,SV543: $i] :
      ( ( ( ~ ( in @ SV543 @ ( relation_dom @ SV116 ) )
          | ! [SY1144: $i] :
              ( ( SY1144
               != ( apply @ SV116 @ SV543 ) )
              | ( in @ ( ordered_pair @ SV543 @ SY1144 ) @ SV116 ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2649]) ).

thf(2767,plain,
    ! [SV116: $i,SV544: $i] :
      ( ( ( ~ ( in @ SV544 @ ( relation_dom @ SV116 ) )
          | ! [SY1145: $i] :
              ( ~ ( in @ ( ordered_pair @ SV544 @ SY1145 ) @ SV116 )
              | ( SY1145
                = ( apply @ SV116 @ SV544 ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2650]) ).

thf(2768,plain,
    ! [SV116: $i,SV545: $i] :
      ( ( ( ( in @ SV545 @ ( relation_dom @ SV116 ) )
          | ! [SY1146: $i] :
              ( ( SY1146
               != ( apply @ SV116 @ SV545 ) )
              | ( SY1146 = empty_set ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2651]) ).

thf(2769,plain,
    ! [SV116: $i,SV546: $i] :
      ( ( ( ( in @ SV546 @ ( relation_dom @ SV116 ) )
          | ! [SY1147: $i] :
              ( ( SY1147 != empty_set )
              | ( SY1147
                = ( apply @ SV116 @ SV546 ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2652]) ).

thf(2770,plain,
    ! [SV393: $i,SV334: $i,SV117: $i,SV547: $i] :
      ( ( ( ! [SY1148: $i] :
              ( ~ ( in @ SV547 @ SV117 )
              | ~ ( in @ SY1148 @ SV334 )
              | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
               != ( ordered_pair @ SV547 @ SY1148 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2653]) ).

thf(2771,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
          | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
           != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) )
        = $false )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2654]) ).

thf(2772,plain,
    ! [SV394: $i,SV548: $i,SV335: $i,SV117: $i] :
      ( ( ( ! [SY1149: $i,SY1150: $i] :
              ( ~ ( in @ SY1149 @ SV117 )
              | ~ ( in @ SY1150 @ SV335 )
              | ( SV548
               != ( ordered_pair @ SY1149 @ SY1150 ) ) )
          | ( in @ SV548 @ SV394 ) )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2655]) ).

thf(2773,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ( in @ SV549 @ SV394 )
          | ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                    | ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
              | ( SV549
               != ( ordered_pair @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) ) ) ) )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2656]) ).

thf(2774,plain,
    ! [SV118: $i,SV395: $i,SV338: $i] :
      ( ( ( ( SV338
           != ( apply @ SV395 @ SV118 ) ) )
        = $true )
      | ( ( ~ ( in @ SV118 @ ( relation_dom @ SV395 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 )
        = $true )
      | ( ( function @ SV395 )
        = $false )
      | ( ( relation @ SV395 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2657]) ).

thf(2775,plain,
    ! [SV467: $i,SV118: $i,SV497: $i] :
      ( ( ( function @ SV497 )
        = $false )
      | ( ( ~ ( relation @ SV497 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SV497 )
          | ( SV467
            = ( apply @ SV497 @ SV118 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2658]) ).

thf(2776,plain,
    ! [SV468: $i,SV118: $i,SV498: $i] :
      ( ( ( function @ SV498 )
        = $false )
      | ( ( ~ ( relation @ SV498 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SV498 )
          | ( in @ SV118 @ ( relation_dom @ SV498 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2659]) ).

thf(2777,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ( ( sK69_C @ SV339 @ SV273 )
           != ( sK70_SY500 @ SV339 @ SV273 ) )
          | ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2660]) ).

thf(2778,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                = ( sK70_SY500 @ SV339 @ SV273 ) )
              | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
          | ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
              | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2661]) ).

thf(2779,plain,
    ! [SV340: $i,SV274: $i] :
      ( ( ( ! [SY968: $i,SY969: $i] :
              ( ( SY968 != SY969 )
              | ~ ( in @ SY968 @ SV274 )
              | ( in @ ( ordered_pair @ SY968 @ SY969 ) @ SV340 ) ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2662]) ).

thf(2780,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ~ ( ~ ! [SY970: $i,SY971: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                    | ( SY970 = SY971 ) )
              | ~ ! [SY972: $i] :
                    ( ! [SY973: $i] :
                        ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                    | ( in @ SY972 @ SV274 ) ) ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2663]) ).

thf(2781,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( relation @ SV516 )
        = $false )
      | ( ( ~ ( ~ ( ! [SY1135: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) ) )
          | ( SV516
            = ( relation_composition @ SV120 @ SV275 ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2664]) ).

thf(2782,plain,
    ! [SV275: $i,SV120: $i,SV517: $i] :
      ( ( ( relation @ SV517 )
        = $false )
      | ( ( ( SV517
           != ( relation_composition @ SV120 @ SV275 ) )
          | ~ ( ~ ! [SY1136: $i,SY1137: $i] :
                    ( ! [SY909: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
                    | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) )
              | ~ ! [SY1139: $i,SY1140: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) ) )
        = $true )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2665]) ).

thf(2783,plain,
    ! [SV121: $i,SV469: $i,SV227: $i] :
      ( ( ( disjoint @ SV227 @ SV469 )
        = $false )
      | ( ( subset @ SV227 @ ( subset_complement @ SV121 @ SV469 ) )
        = $true )
      | ( ( element @ SV469 @ ( powerset @ SV121 ) )
        = $false )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2666]) ).

thf(2784,plain,
    ! [SV470: $i,SV121: $i,SV227: $i] :
      ( ( ( subset @ SV227 @ ( subset_complement @ SV121 @ SV470 ) )
        = $false )
      | ( ( disjoint @ SV227 @ SV470 )
        = $true )
      | ( ( element @ SV470 @ ( powerset @ SV121 ) )
        = $false )
      | ( ( element @ SV227 @ ( powerset @ SV121 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2667]) ).

thf(2785,plain,
    ! [SV341: $i,SV396: $i,SV122: $i] :
      ( ( ( in @ SV122 @ ( relation_rng @ SV396 ) )
        = $false )
      | ( ( in @ SV122 @ SV341 )
        = $false )
      | ( ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV341 @ SV396 ) ) )
        = $true )
      | ( ( relation @ SV396 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2668]) ).

thf(2786,plain,
    ! [SV499: $i,SV471: $i,SV122: $i] :
      ( ( ( ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV471 @ SV499 ) ) ) )
        = $true )
      | ( ( in @ SV122 @ SV471 )
        = $true )
      | ( ( relation @ SV499 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2669]) ).

thf(2787,plain,
    ! [SV500: $i,SV472: $i,SV122: $i] :
      ( ( ( ~ ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV472 @ SV500 ) ) ) )
        = $true )
      | ( ( in @ SV122 @ ( relation_rng @ SV500 ) )
        = $true )
      | ( ( relation @ SV500 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2670]) ).

thf(2788,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
              | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
              | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
          | ~ ~ ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                    | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
                | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                    | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) ) )
        = $false )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2671]) ).

thf(2789,plain,
    ! [SV425: $i,SV123: $i,SV474: $i] :
      ( ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1105: $i,SY1106: $i] :
                    ( ~ ( in @ SY1105 @ SV425 )
                    | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) )
              | ~ ~ ( ~ ! [SY1107: $i] :
                          ( ! [SY1108: $i] :
                              ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                          | ( in @ SY1107 @ SV425 ) )
                    | ~ ! [SY1109: $i,SY1110: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                          | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) ) )
        = $true )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2672]) ).

thf(2790,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
              | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2673]) ).

thf(2791,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
              | ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2673]) ).

thf(2792,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( ~ ! [SY1043: $i,SY1044: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
                | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) )
          | ~ ! [SY1045: $i,SY1046: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
                | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) )
        = $false )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2674]) ).

thf(2793,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
          | ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
               != ( sK38_C @ SV348 @ SV282 ) ) ) )
        = $false )
      | ( ( ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2675]) ).

thf(2794,plain,
    ! [SV428: $i,SV475: $i] :
      ( ( ( relation @ SV475 )
        = $false )
      | ( ( function @ SV475 )
        = $false )
      | ( ( ( SV475
           != ( identity_relation @ SV428 ) )
          | ! [SY1111: $i] :
              ( ~ ( in @ SY1111 @ SV428 )
              | ( ( apply @ SV475 @ SY1111 )
                = SY1111 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2676]) ).

thf(2795,plain,
    ! [SV429: $i,SV476: $i] :
      ( ( ( relation @ SV476 )
        = $false )
      | ( ( function @ SV476 )
        = $false )
      | ( ( ( SV476
           != ( identity_relation @ SV429 ) )
          | ( ( relation_dom @ SV476 )
            = SV429 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2677]) ).

thf(2796,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ! [SY1112: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1112 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
              | ~ ( in @ SY1112 @ SV432 ) )
          | ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2678]) ).

thf(2797,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
              | ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) )
          | ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2679]) ).

thf(2798,plain,
    ! [SV480: $i,SV433: $i,SV125: $i] :
      ( ( ( ~ ! [SY1113: $i] :
                ( ! [SY1056: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1056 @ SY1113 ) @ SV125 )
                    | ~ ( in @ SY1056 @ SV433 ) )
                | ( in @ SY1113 @ SV480 ) ) )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2680]) ).

thf(2799,plain,
    ! [SV125: $i,SV433: $i,SV480: $i] :
      ( ( ( ~ ! [SY1115: $i] :
                ( ~ ( in @ SY1115 @ SV480 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SY1115 ) @ SV125 )
                    | ~ ( in @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) ) )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2680]) ).

thf(2800,plain,
    ! [SV434: $i,SV228: $i,SV399: $i,SV127: $i] :
      ( ( ( in @ SV127 @ SV399 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV434 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SV434 ) )
        = $true )
      | ( ( relation @ SV434 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2681]) ).

thf(2801,plain,
    ! [SV501: $i,SV228: $i,SV127: $i,SV518: $i] :
      ( ( ( relation @ SV518 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV501 ) @ SV518 ) )
          | ( in @ SV127 @ SV501 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2682]) ).

thf(2802,plain,
    ! [SV502: $i,SV228: $i,SV127: $i,SV519: $i] :
      ( ( ( relation @ SV519 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV502 ) @ SV519 ) )
          | ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV519 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2683]) ).

thf(2803,plain,
    ! [SV437: $i,SV520: $i] :
      ( ( ( element @ SV520 @ SV437 )
        = $false )
      | ( ( empty @ SV520 )
        = $true )
      | ( ( empty @ SV437 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2688]) ).

thf(2804,plain,
    ! [SV438: $i,SV521: $i] :
      ( ( ( empty @ SV521 )
        = $false )
      | ( ( element @ SV521 @ SV438 )
        = $true )
      | ( ( empty @ SV438 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2689]) ).

thf(2805,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( ! [SY1062: $i] :
              ~ ( in @ ( ordered_pair @ SY1062 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 ) )
        = $true )
      | ( ( ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
        = $true )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2690]) ).

thf(2806,plain,
    ! [SV129: $i,SV439: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK20_SY464 @ SV439 @ SV129 ) @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
        = $true )
      | ( ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 )
        = $true )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2691]) ).

thf(2807,plain,
    ! [SV440: $i,SV129: $i] :
      ( ( ( ! [SY1063: $i] :
              ( ! [SY722: $i] :
                  ~ ( in @ ( ordered_pair @ SY722 @ SY1063 ) @ SV129 )
              | ( in @ SY1063 @ SV440 ) ) )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2692]) ).

thf(2808,plain,
    ! [SV129: $i,SV440: $i] :
      ( ( ( ! [SY1065: $i] :
              ( ~ ( in @ SY1065 @ SV440 )
              | ( in @ ( ordered_pair @ ( sK18_D @ SY1065 @ SV440 @ SV129 ) @ SY1065 ) @ SV129 ) ) )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2693]) ).

thf(2809,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ! [SY1118: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SY1118 ) @ SV131 )
              | ~ ( in @ SY1118 @ SV442 ) )
          | ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2694]) ).

thf(2810,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
              | ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) )
          | ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2695]) ).

thf(2811,plain,
    ! [SV484: $i,SV443: $i,SV131: $i] :
      ( ( ( ~ ! [SY1119: $i] :
                ( ! [SY1070: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1119 @ SY1070 ) @ SV131 )
                    | ~ ( in @ SY1070 @ SV443 ) )
                | ( in @ SY1119 @ SV484 ) ) )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2696]) ).

thf(2812,plain,
    ! [SV131: $i,SV443: $i,SV484: $i] :
      ( ( ( ~ ! [SY1121: $i] :
                ( ~ ( in @ SY1121 @ SV484 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY1121 @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
                    | ~ ( in @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) ) )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2696]) ).

thf(2813,plain,
    ! [SV363: $i,SV401: $i,SV132: $i] :
      ( ( ( in @ SV132 @ ( relation_dom @ SV401 ) )
        = $false )
      | ( ( in @ SV132 @ SV363 )
        = $false )
      | ( ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV401 @ SV363 ) ) )
        = $true )
      | ( ( relation @ SV401 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2698]) ).

thf(2814,plain,
    ! [SV485: $i,SV508: $i,SV132: $i] :
      ( ( ( ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV508 @ SV485 ) ) ) )
        = $true )
      | ( ( in @ SV132 @ SV485 )
        = $true )
      | ( ( relation @ SV508 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2699]) ).

thf(2815,plain,
    ! [SV486: $i,SV509: $i,SV132: $i] :
      ( ( ( ~ ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV509 @ SV486 ) ) ) )
        = $true )
      | ( ( in @ SV132 @ ( relation_dom @ SV509 ) )
        = $true )
      | ( ( relation @ SV509 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2700]) ).

thf(2816,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( ! [SY1072: $i] :
              ~ ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SY1072 ) @ SV134 ) )
        = $true )
      | ( ( ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
        = $true )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2701]) ).

thf(2817,plain,
    ! [SV134: $i,SV445: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ ( sK23_SY466 @ SV445 @ SV134 ) ) @ SV134 )
        = $true )
      | ( ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 )
        = $true )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2702]) ).

thf(2818,plain,
    ! [SV446: $i,SV134: $i] :
      ( ( ( ! [SY1073: $i] :
              ( ! [SY747: $i] :
                  ~ ( in @ ( ordered_pair @ SY1073 @ SY747 ) @ SV134 )
              | ( in @ SY1073 @ SV446 ) ) )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2703]) ).

thf(2819,plain,
    ! [SV134: $i,SV446: $i] :
      ( ( ( ! [SY1075: $i] :
              ( ~ ( in @ SY1075 @ SV446 )
              | ( in @ ( ordered_pair @ SY1075 @ ( sK21_D @ SY1075 @ SV446 @ SV134 ) ) @ SV134 ) ) )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2704]) ).

thf(2820,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
               != SV135 ) ) )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2705]) ).

thf(2821,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
              | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
               != SV366 ) ) )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2705]) ).

thf(2822,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
          = SV135 )
        = $true )
      | ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
          = SV366 )
        = $true )
      | ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2706]) ).

thf(2823,plain,
    ! [SV367: $i,SV135: $i,SV405: $i,SV550: $i] :
      ( ( ( ~ ( in @ SV550 @ SV405 )
          | ( SV550 = SV135 )
          | ( SV550 = SV367 ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2707]) ).

thf(2824,plain,
    ! [SV367: $i,SV405: $i,SV135: $i] :
      ( ( ( ~ ! [SY1020: $i] :
                ( ( SY1020 != SV135 )
                | ( in @ SY1020 @ SV405 ) )
          | ~ ! [SY1021: $i] :
                ( ( SY1021 != SV367 )
                | ( in @ SY1021 @ SV405 ) ) )
        = $false )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2708]) ).

thf(2825,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
              | ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) ) )
        = $false )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2709]) ).

thf(2826,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
              | ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) ) )
        = $false )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2709]) ).

thf(2827,plain,
    ! [SV448: $i,SV136: $i] :
      ( ( ( ~ ! [SY1076: $i,SY1077: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
                | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) )
          | ~ ! [SY1078: $i,SY1079: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
                | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) )
        = $false )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2710]) ).

thf(2828,plain,
    ! [SV298: $i,SV368: $i] :
      ( ( ( relation @ SV368 )
        = $false )
      | ( ( function @ SV298 )
        = $false )
      | ( ( relation @ SV298 )
        = $false )
      | ( ( ~ ( function @ SV368 ) )
        = $true )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2711]) ).

thf(2829,plain,
    ! [SV299: $i,SV369: $i] :
      ( ( ( relation @ SV369 )
        = $false )
      | ( ( function @ SV299 )
        = $false )
      | ( ( relation @ SV299 )
        = $false )
      | ( ( ~ ( function @ SV369 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2712]) ).

thf(2830,plain,
    ! [SV230: $i,SV137: $i,SV523: $i] :
      ( ( ( ~ ( function @ SV523 ) )
        = $true )
      | ( ( ~ ( relation @ SV523 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ SV523 ) )
          | ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) )
          | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2713]) ).

thf(2831,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ! [SY862: $i] :
              ( ~ ( function @ SY862 )
              | ~ ( relation @ SY862 )
              | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY862 @ SV230 ) ) )
              | ( in @ SV137 @ ( relation_dom @ SY862 ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2714]) ).

thf(2832,plain,
    ! [SV230: $i,SV137: $i] :
      ( ( ( ! [SY863: $i] :
              ( ~ ( function @ SY863 )
              | ~ ( relation @ SY863 )
              | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SY863 @ SV230 ) ) )
              | ( in @ ( apply @ SY863 @ SV137 ) @ ( relation_dom @ SV230 ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2715]) ).

thf(2833,plain,
    ! [SV551: $i,SV138: $i,SV537: $i] :
      ( ( ~ ( in @ SV537 @ ( sK41_B @ SV138 ) )
        | ~ ( subset @ SV551 @ SV537 )
        | ( in @ SV551 @ ( sK41_B @ SV138 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2716]) ).

thf(2834,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV139 ) )
        = $false )
      | ( ( subset @ SV139 @ SV449 )
        = $true )
      | ( ( relation @ SV449 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2717]) ).

thf(2835,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( ~ ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 ) )
        = $false )
      | ( ( subset @ SV139 @ SV449 )
        = $true )
      | ( ( relation @ SV449 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2717]) ).

thf(2836,plain,
    ! [SV450: $i,SV139: $i,SV552: $i] :
      ( ( ( ! [SY1151: $i] :
              ( ~ ( in @ ( ordered_pair @ SV552 @ SY1151 ) @ SV139 )
              | ( in @ ( ordered_pair @ SV552 @ SY1151 ) @ SV450 ) ) )
        = $true )
      | ( ( subset @ SV139 @ SV450 )
        = $false )
      | ( ( relation @ SV450 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2718]) ).

thf(2837,plain,
    ! [SV300: $i,SV371: $i] :
      ( ( ( subset @ ( sK60_C @ SV371 @ SV300 ) @ SV300 )
        = $false )
      | ( ( in @ ( sK60_C @ SV371 @ SV300 ) @ SV371 )
        = $false )
      | ( ( SV371
          = ( powerset @ SV300 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2719]) ).

thf(2838,plain,
    ! [SV301: $i,SV372: $i,SV538: $i] :
      ( ( ( ~ ( in @ SV538 @ SV372 ) )
        = $true )
      | ( ( subset @ SV538 @ SV301 )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2720]) ).

thf(2839,plain,
    ! [SV372: $i,SV301: $i,SV539: $i] :
      ( ( ( ~ ( subset @ SV539 @ SV301 ) )
        = $true )
      | ( ( in @ SV539 @ SV372 )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2721]) ).

thf(2840,plain,
    ! [SV375: $i,SV142: $i,SV406: $i,SV524: $i] :
      ( ( ( ~ ( in @ SV524 @ ( relation_rng @ SV406 ) ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV142 @ SV524 ) @ SV406 ) )
        = $true )
      | ( ( ~ ( in @ SV524 @ SV375 ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) )
        = $true )
      | ( ( relation @ SV406 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2724]) ).

thf(2841,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
                | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) ) )
        = $false )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2725]) ).

thf(2842,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 ) )
        = $false )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2725]) ).

thf(2843,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
                  | ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
              | ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) ) )
        = $false )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2726]) ).

thf(2844,plain,
    ! [SV510: $i,SV453: $i] :
      ( ( ( ~ ( ! [SY1129: $i] :
                  ( ~ ( in @ SY1129 @ SV453 )
                  | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SY1129 ) )
              | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) ) )
        = $false )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2726]) ).

thf(2845,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( ~ ! [SY1130: $i] :
                ( ~ ( ~ ( in @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) @ SV454 )
                    | ~ ~ ( in @ SY1130 @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) ) )
                | ( in @ SY1130 @ SV511 ) )
          | ~ ! [SY1131: $i] :
                ( ~ ( in @ SY1131 @ SV511 )
                | ! [SY1087: $i] :
                    ( ~ ( in @ SY1087 @ SV454 )
                    | ( in @ SY1131 @ SY1087 ) ) ) )
        = $false )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2727]) ).

thf(2846,plain,
    ! [SV455: $i,SV525: $i] :
      ( ( ( SV525
          = ( set_meet @ SV455 ) )
        = $false )
      | ( ( SV525 = empty_set )
        = $true )
      | ( ( SV455 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2728]) ).

thf(2847,plain,
    ! [SV456: $i,SV526: $i] :
      ( ( ( SV526 = empty_set )
        = $false )
      | ( ( SV526
          = ( set_meet @ SV456 ) )
        = $true )
      | ( ( SV456 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2729]) ).

thf(2848,plain,
    ! [SV540: $i,SV512: $i,SV231: $i,SV143: $i] :
      ( ( ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV512 @ SV540 ) )
        = $false )
      | ( ( in @ SV143 @ SV512 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2732]) ).

thf(2849,plain,
    ! [SV527: $i,SV513: $i,SV231: $i,SV143: $i] :
      ( ( ( in @ ( ordered_pair @ SV143 @ SV231 ) @ ( cartesian_product2 @ SV513 @ SV527 ) )
        = $false )
      | ( ( in @ SV231 @ SV527 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2733]) ).

thf(2850,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
              | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) ) )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2734]) ).

thf(2851,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
              | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) ) )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2734]) ).

thf(2852,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
        = $true )
      | ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 )
        = $true )
      | ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2735]) ).

thf(2853,plain,
    ! [SV379: $i,SV144: $i,SV410: $i,SV553: $i] :
      ( ( ( ~ ( in @ SV553 @ SV410 )
          | ( in @ SV553 @ SV144 )
          | ( in @ SV553 @ SV379 ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2736]) ).

thf(2854,plain,
    ! [SV379: $i,SV410: $i,SV144: $i] :
      ( ( ( ~ ! [SY1025: $i] :
                ( ~ ( in @ SY1025 @ SV144 )
                | ( in @ SY1025 @ SV410 ) )
          | ~ ! [SY1026: $i] :
                ( ~ ( in @ SY1026 @ SV379 )
                | ( in @ SY1026 @ SV410 ) ) )
        = $false )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2737]) ).

thf(2855,plain,
    ! [SV380: $i,SV145: $i,SV411: $i,SV528: $i] :
      ( ( ( ~ ( in @ SV528 @ ( relation_dom @ SV411 ) ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV528 @ SV145 ) @ SV411 ) )
        = $true )
      | ( ( ~ ( in @ SV528 @ SV380 ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) )
        = $true )
      | ( ( relation @ SV411 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2738]) ).

thf(2856,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
                | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) ) )
        = $false )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2739]) ).

thf(2857,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 ) )
        = $false )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2739]) ).

thf(2858,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 ) )
        = $true )
      | ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
        = $true )
      | ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2740]) ).

thf(2859,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
              | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) )
        = $false )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2741]) ).

thf(2860,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
              | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) ) )
        = $false )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2741]) ).

thf(2861,plain,
    ! [SV416: $i,SV388: $i,SV149: $i,SV554: $i] :
      ( ( ( ~ ( in @ SV554 @ SV149 )
          | ( in @ SV554 @ SV388 )
          | ( in @ SV554 @ SV416 ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2742]) ).

thf(2862,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( ~ ! [SY1031: $i] :
                ( ~ ( in @ SY1031 @ SV416 )
                | ( in @ SY1031 @ SV149 ) )
          | ~ ! [SY1032: $i] :
                ( ~ ( in @ SY1032 @ SV416 )
                | ~ ( in @ SY1032 @ SV388 ) ) )
        = $false )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2743]) ).

thf(2863,plain,
    ! [SV178: $i,SV417: $i,SV33: $i] :
      ( ( ( in @ SV33 @ ( relation_dom @ ( relation_composition @ SV417 @ SV178 ) ) )
        = $false )
      | ( ( ( apply @ ( relation_composition @ SV417 @ SV178 ) @ SV33 )
          = ( apply @ SV178 @ ( apply @ SV417 @ SV33 ) ) )
        = $true )
      | ( ( function @ SV417 )
        = $false )
      | ( ( relation @ SV417 )
        = $false )
      | ( ( function @ SV178 )
        = $false )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2744]) ).

thf(2864,plain,
    ! [SV418: $i,SV179: $i,SV34: $i] :
      ( ( ( in @ SV34 @ ( relation_dom @ SV179 ) )
        = $false )
      | ( ( ( apply @ ( relation_composition @ SV179 @ SV418 ) @ SV34 )
          = ( apply @ SV418 @ ( apply @ SV179 @ SV34 ) ) )
        = $true )
      | ( ( function @ SV418 )
        = $false )
      | ( ( relation @ SV418 )
        = $false )
      | ( ( function @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2745]) ).

thf(2865,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
        = $false )
      | ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 ) )
        = $true )
      | ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2746]) ).

thf(2866,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
          | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2747]) ).

thf(2867,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
          | ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2748]) ).

thf(2868,plain,
    ! [SV391: $i,SV323: $i,SV112: $i,SV541: $i] :
      ( ( ( ~ ( in @ SV541 @ SV112 )
          | ~ ( in @ SV541 @ SV323 ) )
        = $true )
      | ( ( in @ SV541 @ SV391 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2749]) ).

thf(2869,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( ~ ! [SY1009: $i] :
                ( ~ ( in @ SY1009 @ SV391 )
                | ( in @ SY1009 @ SV112 ) ) )
        = $false )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2750]) ).

thf(2870,plain,
    ! [SV112: $i,SV323: $i,SV391: $i] :
      ( ( ( ~ ! [SY1010: $i] :
                ( ~ ( in @ SY1010 @ SV391 )
                | ( in @ SY1010 @ SV323 ) ) )
        = $false )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2750]) ).

thf(2871,plain,
    ! [SV530: $i,SV258: $i,SV324: $i] :
      ( ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV530 )
        = $false )
      | ( ( ~ ( in @ SV530 @ SV258 ) )
        = $true )
      | ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2751]) ).

thf(2872,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ ( sK48_SY487 @ SV324 @ SV258 ) )
        = $true )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2752]) ).

thf(2873,plain,
    ! [SV258: $i,SV324: $i] :
      ( ( ( in @ ( sK48_SY487 @ SV324 @ SV258 ) @ SV258 )
        = $true )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2753]) ).

thf(2874,plain,
    ! [SV325: $i,SV259: $i,SV555: $i,SV531: $i] :
      ( ( ( ~ ( in @ SV531 @ SV555 )
          | ~ ( in @ SV555 @ SV259 ) )
        = $true )
      | ( ( in @ SV531 @ SV325 )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2754]) ).

thf(2875,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( in @ SV532 @ SV325 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV532 @ ( sK46_D @ SV532 @ SV325 @ SV259 ) )
              | ~ ( in @ ( sK46_D @ SV532 @ SV325 @ SV259 ) @ SV259 ) ) )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2755]) ).

thf(2876,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
              | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
              | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) )
        = $false )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2756]) ).

thf(2877,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                    | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
                | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                    | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) ) )
        = $false )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2756]) ).

thf(2878,plain,
    ! [SV464: $i,SV225: $i,SV113: $i] :
      ( ( ( ~ ! [SY1094: $i,SY1095: $i] :
                ( ~ ( in @ SY1095 @ SV113 )
                | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
                | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) )
          | ~ ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                      | ( in @ SY1097 @ SV113 ) )
                | ~ ! [SY1098: $i,SY1099: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                      | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) )
        = $false )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2757]) ).

thf(2879,plain,
    ! [SV331: $i,SV265: $i,SV534: $i] :
      ( ( ( SV534 = SV265 )
        = $false )
      | ( ( in @ SV534 @ SV331 )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2761]) ).

thf(2880,plain,
    ! [SV265: $i,SV331: $i,SV535: $i] :
      ( ( ( in @ SV535 @ SV331 )
        = $false )
      | ( ( SV535 = SV265 )
        = $true )
      | ( ( SV331
          = ( singleton @ SV265 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2762]) ).

thf(2881,plain,
    ! [SV115: $i,SV465: $i,SV556: $i] :
      ( ( ( ~ ( subset @ SV556 @ SV465 )
          | ( in @ SV556 @ ( sK43_SY481 @ SV465 @ SV115 ) ) )
        = $true )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2763]) ).

thf(2882,plain,
    ! [SV115: $i,SV465: $i] :
      ( ( ( in @ SV465 @ ( sK42_B @ SV115 ) )
        = $false )
      | ( ( in @ ( sK43_SY481 @ SV465 @ SV115 ) @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2764]) ).

thf(2883,plain,
    ! [SV542: $i,SV115: $i,SV536: $i] :
      ( ( ( ~ ( in @ SV536 @ ( sK42_B @ SV115 ) )
          | ~ ( subset @ SV542 @ SV536 ) )
        = $true )
      | ( ( in @ SV542 @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2765]) ).

thf(2884,plain,
    ! [SV116: $i,SV543: $i] :
      ( ( ( ~ ( in @ SV543 @ ( relation_dom @ SV116 ) ) )
        = $true )
      | ( ( ! [SY1144: $i] :
              ( ( SY1144
               != ( apply @ SV116 @ SV543 ) )
              | ( in @ ( ordered_pair @ SV543 @ SY1144 ) @ SV116 ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2766]) ).

thf(2885,plain,
    ! [SV116: $i,SV544: $i] :
      ( ( ( ~ ( in @ SV544 @ ( relation_dom @ SV116 ) ) )
        = $true )
      | ( ( ! [SY1145: $i] :
              ( ~ ( in @ ( ordered_pair @ SV544 @ SY1145 ) @ SV116 )
              | ( SY1145
                = ( apply @ SV116 @ SV544 ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2767]) ).

thf(2886,plain,
    ! [SV116: $i,SV545: $i] :
      ( ( ( in @ SV545 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( ! [SY1146: $i] :
              ( ( SY1146
               != ( apply @ SV116 @ SV545 ) )
              | ( SY1146 = empty_set ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2768]) ).

thf(2887,plain,
    ! [SV116: $i,SV546: $i] :
      ( ( ( in @ SV546 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( ! [SY1147: $i] :
              ( ( SY1147 != empty_set )
              | ( SY1147
                = ( apply @ SV116 @ SV546 ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2769]) ).

thf(2888,plain,
    ! [SV393: $i,SV334: $i,SV557: $i,SV117: $i,SV547: $i] :
      ( ( ( ~ ( in @ SV547 @ SV117 )
          | ~ ( in @ SV557 @ SV334 )
          | ( ( sK53_D @ SV393 @ SV334 @ SV117 )
           != ( ordered_pair @ SV547 @ SV557 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2770]) ).

thf(2889,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
                | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) ) )
        = $false )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2771]) ).

thf(2890,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
           != ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) ) )
        = $false )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2771]) ).

thf(2891,plain,
    ! [SV394: $i,SV548: $i,SV335: $i,SV117: $i] :
      ( ( ( ! [SY1149: $i,SY1150: $i] :
              ( ~ ( in @ SY1149 @ SV117 )
              | ~ ( in @ SY1150 @ SV335 )
              | ( SV548
               != ( ordered_pair @ SY1149 @ SY1150 ) ) ) )
        = $true )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2772]) ).

thf(2892,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ( in @ SV549 @ SV394 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                    | ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
              | ( SV549
               != ( ordered_pair @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) ) ) ) )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2773]) ).

thf(2893,plain,
    ! [SV118: $i,SV395: $i,SV338: $i] :
      ( ( ( SV338
          = ( apply @ SV395 @ SV118 ) )
        = $false )
      | ( ( ~ ( in @ SV118 @ ( relation_dom @ SV395 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 )
        = $true )
      | ( ( function @ SV395 )
        = $false )
      | ( ( relation @ SV395 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2774]) ).

thf(2894,plain,
    ! [SV467: $i,SV118: $i,SV497: $i] :
      ( ( ( relation @ SV497 )
        = $false )
      | ( ( function @ SV497 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SV497 )
          | ( SV467
            = ( apply @ SV497 @ SV118 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2775]) ).

thf(2895,plain,
    ! [SV468: $i,SV118: $i,SV498: $i] :
      ( ( ( relation @ SV498 )
        = $false )
      | ( ( function @ SV498 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SV498 )
          | ( in @ SV118 @ ( relation_dom @ SV498 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2776]) ).

thf(2896,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ( ( sK69_C @ SV339 @ SV273 )
           != ( sK70_SY500 @ SV339 @ SV273 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2777]) ).

thf(2897,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( ( ( sK69_C @ SV339 @ SV273 )
                = ( sK70_SY500 @ SV339 @ SV273 ) )
              | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2778]) ).

thf(2898,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ~ ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
              | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2778]) ).

thf(2899,plain,
    ! [SV340: $i,SV274: $i,SV558: $i] :
      ( ( ( ! [SY1152: $i] :
              ( ( SV558 != SY1152 )
              | ~ ( in @ SV558 @ SV274 )
              | ( in @ ( ordered_pair @ SV558 @ SY1152 ) @ SV340 ) ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2779]) ).

thf(2900,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ~ ! [SY970: $i,SY971: $i] :
                ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                | ( SY970 = SY971 ) )
          | ~ ! [SY972: $i] :
                ( ! [SY973: $i] :
                    ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                | ( in @ SY972 @ SV274 ) ) )
        = $false )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2780]) ).

thf(2901,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( ~ ( ! [SY1135: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
                      | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
                  | ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) ) ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2781]) ).

thf(2902,plain,
    ! [SV275: $i,SV120: $i,SV517: $i] :
      ( ( ( ( SV517
           != ( relation_composition @ SV120 @ SV275 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY1136: $i,SY1137: $i] :
                    ( ! [SY909: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
                    | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) )
              | ~ ! [SY1139: $i,SY1140: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) ) )
        = $true )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2782]) ).

thf(2903,plain,
    ! [SV499: $i,SV471: $i,SV122: $i] :
      ( ( ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV471 @ SV499 ) ) )
        = $false )
      | ( ( in @ SV122 @ SV471 )
        = $true )
      | ( ( relation @ SV499 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2786]) ).

thf(2904,plain,
    ! [SV500: $i,SV472: $i,SV122: $i] :
      ( ( ( in @ SV122 @ ( relation_rng @ ( relation_rng_restriction @ SV472 @ SV500 ) ) )
        = $false )
      | ( ( in @ SV122 @ ( relation_rng @ SV500 ) )
        = $true )
      | ( ( relation @ SV500 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2787]) ).

thf(2905,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
              | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
              | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) )
        = $false )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2788]) ).

thf(2906,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                    | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
                | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                    | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) ) )
        = $false )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2788]) ).

thf(2907,plain,
    ! [SV474: $i,SV123: $i,SV425: $i] :
      ( ( ( ~ ! [SY1105: $i,SY1106: $i] :
                ( ~ ( in @ SY1105 @ SV425 )
                | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
                | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) )
          | ~ ~ ( ~ ! [SY1107: $i] :
                      ( ! [SY1108: $i] :
                          ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                      | ( in @ SY1107 @ SV425 ) )
                | ~ ! [SY1109: $i,SY1110: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                      | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) )
        = $false )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2789]) ).

thf(2908,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
          | ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
        = $true )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2790]) ).

thf(2909,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
          | ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
        = $true )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2791]) ).

thf(2910,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( ~ ! [SY1043: $i,SY1044: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
                | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) ) )
        = $false )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2792]) ).

thf(2911,plain,
    ! [SV427: $i,SV124: $i] :
      ( ( ( ~ ! [SY1045: $i,SY1046: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
                | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) )
        = $false )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2792]) ).

thf(2912,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ~ ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 ) )
        = $false )
      | ( ( ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2793]) ).

thf(2913,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ~ ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
               != ( sK38_C @ SV348 @ SV282 ) ) ) )
        = $false )
      | ( ( ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2793]) ).

thf(2914,plain,
    ! [SV428: $i,SV475: $i] :
      ( ( ( ( SV475
           != ( identity_relation @ SV428 ) ) )
        = $true )
      | ( ( ! [SY1111: $i] :
              ( ~ ( in @ SY1111 @ SV428 )
              | ( ( apply @ SV475 @ SY1111 )
                = SY1111 ) ) )
        = $true )
      | ( ( function @ SV475 )
        = $false )
      | ( ( relation @ SV475 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2794]) ).

thf(2915,plain,
    ! [SV429: $i,SV476: $i] :
      ( ( ( ( SV476
           != ( identity_relation @ SV429 ) ) )
        = $true )
      | ( ( ( relation_dom @ SV476 )
          = SV429 )
        = $true )
      | ( ( function @ SV476 )
        = $false )
      | ( ( relation @ SV476 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2795]) ).

thf(2916,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ! [SY1112: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1112 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
              | ~ ( in @ SY1112 @ SV432 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2796]) ).

thf(2917,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
              | ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) ) )
        = $true )
      | ( ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2797]) ).

thf(2918,plain,
    ! [SV480: $i,SV433: $i,SV125: $i] :
      ( ( ( ! [SY1113: $i] :
              ( ! [SY1056: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY1056 @ SY1113 ) @ SV125 )
                  | ~ ( in @ SY1056 @ SV433 ) )
              | ( in @ SY1113 @ SV480 ) ) )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2798]) ).

thf(2919,plain,
    ! [SV125: $i,SV433: $i,SV480: $i] :
      ( ( ( ! [SY1115: $i] :
              ( ~ ( in @ SY1115 @ SV480 )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SY1115 ) @ SV125 )
                  | ~ ( in @ ( sK29_E @ SY1115 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) ) )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2799]) ).

thf(2920,plain,
    ! [SV399: $i,SV434: $i,SV228: $i,SV127: $i] :
      ( ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV434 )
        = $false )
      | ( ( in @ SV127 @ SV399 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV399 ) @ SV434 ) )
        = $true )
      | ( ( relation @ SV434 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2800]) ).

thf(2921,plain,
    ! [SV518: $i,SV501: $i,SV228: $i,SV127: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV501 ) @ SV518 ) ) )
        = $true )
      | ( ( in @ SV127 @ SV501 )
        = $true )
      | ( ( relation @ SV518 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2801]) ).

thf(2922,plain,
    ! [SV519: $i,SV502: $i,SV228: $i,SV127: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV502 ) @ SV519 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV519 )
        = $true )
      | ( ( relation @ SV519 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2802]) ).

thf(2923,plain,
    ! [SV129: $i,SV439: $i,SV559: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV559 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 ) )
        = $true )
      | ( ( ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
        = $true )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2805]) ).

thf(2924,plain,
    ! [SV440: $i,SV129: $i,SV560: $i] :
      ( ( ( ! [SY1153: $i] :
              ~ ( in @ ( ordered_pair @ SY1153 @ SV560 ) @ SV129 )
          | ( in @ SV560 @ SV440 ) )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2807]) ).

thf(2925,plain,
    ! [SV129: $i,SV440: $i,SV561: $i] :
      ( ( ( ~ ( in @ SV561 @ SV440 )
          | ( in @ ( ordered_pair @ ( sK18_D @ SV561 @ SV440 @ SV129 ) @ SV561 ) @ SV129 ) )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2808]) ).

thf(2926,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ! [SY1118: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SY1118 ) @ SV131 )
              | ~ ( in @ SY1118 @ SV442 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2809]) ).

thf(2927,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
              | ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) ) )
        = $true )
      | ( ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2810]) ).

thf(2928,plain,
    ! [SV484: $i,SV443: $i,SV131: $i] :
      ( ( ( ! [SY1119: $i] :
              ( ! [SY1070: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY1119 @ SY1070 ) @ SV131 )
                  | ~ ( in @ SY1070 @ SV443 ) )
              | ( in @ SY1119 @ SV484 ) ) )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2811]) ).

thf(2929,plain,
    ! [SV131: $i,SV443: $i,SV484: $i] :
      ( ( ( ! [SY1121: $i] :
              ( ~ ( in @ SY1121 @ SV484 )
              | ~ ( ~ ( in @ ( ordered_pair @ SY1121 @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
                  | ~ ( in @ ( sK26_E @ SY1121 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) ) )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2812]) ).

thf(2930,plain,
    ! [SV485: $i,SV508: $i,SV132: $i] :
      ( ( ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV508 @ SV485 ) ) )
        = $false )
      | ( ( in @ SV132 @ SV485 )
        = $true )
      | ( ( relation @ SV508 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2814]) ).

thf(2931,plain,
    ! [SV486: $i,SV509: $i,SV132: $i] :
      ( ( ( in @ SV132 @ ( relation_dom @ ( relation_dom_restriction @ SV509 @ SV486 ) ) )
        = $false )
      | ( ( in @ SV132 @ ( relation_dom @ SV509 ) )
        = $true )
      | ( ( relation @ SV509 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2815]) ).

thf(2932,plain,
    ! [SV562: $i,SV134: $i,SV445: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SV562 ) @ SV134 ) )
        = $true )
      | ( ( ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
        = $true )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2816]) ).

thf(2933,plain,
    ! [SV446: $i,SV134: $i,SV563: $i] :
      ( ( ( ! [SY1154: $i] :
              ~ ( in @ ( ordered_pair @ SV563 @ SY1154 ) @ SV134 )
          | ( in @ SV563 @ SV446 ) )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2818]) ).

thf(2934,plain,
    ! [SV134: $i,SV446: $i,SV564: $i] :
      ( ( ( ~ ( in @ SV564 @ SV446 )
          | ( in @ ( ordered_pair @ SV564 @ ( sK21_D @ SV564 @ SV446 @ SV134 ) ) @ SV134 ) )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2819]) ).

thf(2935,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
          | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
           != SV135 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2820]) ).

thf(2936,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
          | ( ( sK57_D @ SV404 @ SV366 @ SV135 )
           != SV366 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2821]) ).

thf(2937,plain,
    ! [SV367: $i,SV135: $i,SV405: $i,SV550: $i] :
      ( ( ( ~ ( in @ SV550 @ SV405 ) )
        = $true )
      | ( ( ( SV550 = SV135 )
          | ( SV550 = SV367 ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2823]) ).

thf(2938,plain,
    ! [SV367: $i,SV405: $i,SV135: $i] :
      ( ( ( ~ ! [SY1020: $i] :
                ( ( SY1020 != SV135 )
                | ( in @ SY1020 @ SV405 ) ) )
        = $false )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2824]) ).

thf(2939,plain,
    ! [SV135: $i,SV405: $i,SV367: $i] :
      ( ( ( ~ ! [SY1021: $i] :
                ( ( SY1021 != SV367 )
                | ( in @ SY1021 @ SV405 ) ) )
        = $false )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2824]) ).

thf(2940,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
          | ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
        = $true )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2825]) ).

thf(2941,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
          | ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
        = $true )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2826]) ).

thf(2942,plain,
    ! [SV448: $i,SV136: $i] :
      ( ( ( ~ ! [SY1076: $i,SY1077: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
                | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) ) )
        = $false )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2827]) ).

thf(2943,plain,
    ! [SV136: $i,SV448: $i] :
      ( ( ( ~ ! [SY1078: $i,SY1079: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
                | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) )
        = $false )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2827]) ).

thf(2944,plain,
    ! [SV298: $i,SV368: $i] :
      ( ( ( function @ SV368 )
        = $false )
      | ( ( relation @ SV298 )
        = $false )
      | ( ( function @ SV298 )
        = $false )
      | ( ( relation @ SV368 )
        = $false )
      | ( ( function @ ( relation_composition @ SV298 @ SV368 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2828]) ).

thf(2945,plain,
    ! [SV299: $i,SV369: $i] :
      ( ( ( function @ SV369 )
        = $false )
      | ( ( relation @ SV299 )
        = $false )
      | ( ( function @ SV299 )
        = $false )
      | ( ( relation @ SV369 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV299 @ SV369 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2829]) ).

thf(2946,plain,
    ! [SV230: $i,SV137: $i,SV523: $i] :
      ( ( ( function @ SV523 )
        = $false )
      | ( ( ~ ( relation @ SV523 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ SV523 ) )
          | ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) )
          | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2830]) ).

thf(2947,plain,
    ! [SV230: $i,SV137: $i,SV565: $i] :
      ( ( ( ~ ( function @ SV565 )
          | ~ ( relation @ SV565 )
          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV565 @ SV230 ) ) )
          | ( in @ SV137 @ ( relation_dom @ SV565 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2831]) ).

thf(2948,plain,
    ! [SV230: $i,SV137: $i,SV566: $i] :
      ( ( ( ~ ( function @ SV566 )
          | ~ ( relation @ SV566 )
          | ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV566 @ SV230 ) ) )
          | ( in @ ( apply @ SV566 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2832]) ).

thf(2949,plain,
    ! [SV551: $i,SV138: $i,SV537: $i] :
      ( ( ( ~ ( in @ SV537 @ ( sK41_B @ SV138 ) )
          | ~ ( subset @ SV551 @ SV537 ) )
        = $true )
      | ( ( in @ SV551 @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2833]) ).

thf(2950,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV139 )
        = $true )
      | ( ( subset @ SV139 @ SV449 )
        = $true )
      | ( ( relation @ SV449 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2834]) ).

thf(2951,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 ) )
        = $true )
      | ( ( subset @ SV139 @ SV449 )
        = $true )
      | ( ( relation @ SV449 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2835]) ).

thf(2952,plain,
    ! [SV450: $i,SV139: $i,SV567: $i,SV552: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV552 @ SV567 ) @ SV139 )
          | ( in @ ( ordered_pair @ SV552 @ SV567 ) @ SV450 ) )
        = $true )
      | ( ( subset @ SV139 @ SV450 )
        = $false )
      | ( ( relation @ SV450 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2836]) ).

thf(2953,plain,
    ! [SV301: $i,SV372: $i,SV538: $i] :
      ( ( ( in @ SV538 @ SV372 )
        = $false )
      | ( ( subset @ SV538 @ SV301 )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2838]) ).

thf(2954,plain,
    ! [SV372: $i,SV301: $i,SV539: $i] :
      ( ( ( subset @ SV539 @ SV301 )
        = $false )
      | ( ( in @ SV539 @ SV372 )
        = $true )
      | ( ( SV372
          = ( powerset @ SV301 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2839]) ).

thf(2955,plain,
    ! [SV375: $i,SV142: $i,SV406: $i,SV524: $i] :
      ( ( ( in @ SV524 @ ( relation_rng @ SV406 ) )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV142 @ SV524 ) @ SV406 ) )
        = $true )
      | ( ( ~ ( in @ SV524 @ SV375 ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) )
        = $true )
      | ( ( relation @ SV406 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2840]) ).

thf(2956,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
              | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2841]) ).

thf(2957,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ SV376 )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2842]) ).

thf(2958,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
              | ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
          | ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2843]) ).

thf(2959,plain,
    ! [SV510: $i,SV453: $i] :
      ( ( ( ! [SY1129: $i] :
              ( ~ ( in @ SY1129 @ SV453 )
              | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SY1129 ) )
          | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2844]) ).

thf(2960,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( ~ ! [SY1130: $i] :
                ( ~ ( ~ ( in @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) @ SV454 )
                    | ~ ~ ( in @ SY1130 @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) ) )
                | ( in @ SY1130 @ SV511 ) ) )
        = $false )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2845]) ).

thf(2961,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( ~ ! [SY1131: $i] :
                ( ~ ( in @ SY1131 @ SV511 )
                | ! [SY1087: $i] :
                    ( ~ ( in @ SY1087 @ SV454 )
                    | ( in @ SY1131 @ SY1087 ) ) ) )
        = $false )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2845]) ).

thf(2962,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
          | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2850]) ).

thf(2963,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
          | ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2851]) ).

thf(2964,plain,
    ! [SV379: $i,SV144: $i,SV410: $i,SV553: $i] :
      ( ( ( ~ ( in @ SV553 @ SV410 ) )
        = $true )
      | ( ( ( in @ SV553 @ SV144 )
          | ( in @ SV553 @ SV379 ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2853]) ).

thf(2965,plain,
    ! [SV379: $i,SV410: $i,SV144: $i] :
      ( ( ( ~ ! [SY1025: $i] :
                ( ~ ( in @ SY1025 @ SV144 )
                | ( in @ SY1025 @ SV410 ) ) )
        = $false )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2854]) ).

thf(2966,plain,
    ! [SV144: $i,SV410: $i,SV379: $i] :
      ( ( ( ~ ! [SY1026: $i] :
                ( ~ ( in @ SY1026 @ SV379 )
                | ( in @ SY1026 @ SV410 ) ) )
        = $false )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2854]) ).

thf(2967,plain,
    ! [SV380: $i,SV145: $i,SV411: $i,SV528: $i] :
      ( ( ( in @ SV528 @ ( relation_dom @ SV411 ) )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV528 @ SV145 ) @ SV411 ) )
        = $true )
      | ( ( ~ ( in @ SV528 @ SV380 ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) )
        = $true )
      | ( ( relation @ SV411 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2855]) ).

thf(2968,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
              | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2856]) ).

thf(2969,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV381 )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2857]) ).

thf(2970,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
        = $false )
      | ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
        = $true )
      | ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2858]) ).

thf(2971,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
          | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2859]) ).

thf(2972,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
          | ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 ) )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2860]) ).

thf(2973,plain,
    ! [SV416: $i,SV388: $i,SV149: $i,SV554: $i] :
      ( ( ( ~ ( in @ SV554 @ SV149 )
          | ( in @ SV554 @ SV388 ) )
        = $true )
      | ( ( in @ SV554 @ SV416 )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2861]) ).

thf(2974,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( ~ ! [SY1031: $i] :
                ( ~ ( in @ SY1031 @ SV416 )
                | ( in @ SY1031 @ SV149 ) ) )
        = $false )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2862]) ).

thf(2975,plain,
    ! [SV149: $i,SV388: $i,SV416: $i] :
      ( ( ( ~ ! [SY1032: $i] :
                ( ~ ( in @ SY1032 @ SV416 )
                | ~ ( in @ SY1032 @ SV388 ) ) )
        = $false )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2862]) ).

thf(2976,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
        = $false )
      | ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
        = $false )
      | ( ( ~ ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 ) )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2865]) ).

thf(2977,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
        = $true )
      | ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2866]) ).

thf(2978,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
        = $true )
      | ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 )
        = $true )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2867]) ).

thf(2979,plain,
    ! [SV391: $i,SV323: $i,SV112: $i,SV541: $i] :
      ( ( ( ~ ( in @ SV541 @ SV112 ) )
        = $true )
      | ( ( ~ ( in @ SV541 @ SV323 ) )
        = $true )
      | ( ( in @ SV541 @ SV391 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2868]) ).

thf(2980,plain,
    ! [SV323: $i,SV112: $i,SV391: $i] :
      ( ( ( ! [SY1009: $i] :
              ( ~ ( in @ SY1009 @ SV391 )
              | ( in @ SY1009 @ SV112 ) ) )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2869]) ).

thf(2981,plain,
    ! [SV112: $i,SV323: $i,SV391: $i] :
      ( ( ( ! [SY1010: $i] :
              ( ~ ( in @ SY1010 @ SV391 )
              | ( in @ SY1010 @ SV323 ) ) )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2870]) ).

thf(2982,plain,
    ! [SV324: $i,SV258: $i,SV530: $i] :
      ( ( ( in @ SV530 @ SV258 )
        = $false )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV530 )
        = $false )
      | ( ( ~ ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 ) )
        = $true )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2871]) ).

thf(2983,plain,
    ! [SV325: $i,SV259: $i,SV555: $i,SV531: $i] :
      ( ( ( ~ ( in @ SV531 @ SV555 ) )
        = $true )
      | ( ( ~ ( in @ SV555 @ SV259 ) )
        = $true )
      | ( ( in @ SV531 @ SV325 )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2874]) ).

thf(2984,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( ~ ( in @ SV532 @ ( sK46_D @ SV532 @ SV325 @ SV259 ) )
          | ~ ( in @ ( sK46_D @ SV532 @ SV325 @ SV259 ) @ SV259 ) )
        = $false )
      | ( ( in @ SV532 @ SV325 )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2875]) ).

thf(2985,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
          | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
          | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2876]) ).

thf(2986,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
                  | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
                  | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2877]) ).

thf(2987,plain,
    ! [SV464: $i,SV225: $i,SV113: $i] :
      ( ( ( ~ ! [SY1094: $i,SY1095: $i] :
                ( ~ ( in @ SY1095 @ SV113 )
                | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
                | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) ) )
        = $false )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2878]) ).

thf(2988,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ~ ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                      | ( in @ SY1097 @ SV113 ) )
                | ~ ! [SY1098: $i,SY1099: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                      | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) )
        = $false )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2878]) ).

thf(2989,plain,
    ! [SV115: $i,SV465: $i,SV556: $i] :
      ( ( ( ~ ( subset @ SV556 @ SV465 ) )
        = $true )
      | ( ( in @ SV556 @ ( sK43_SY481 @ SV465 @ SV115 ) )
        = $true )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2881]) ).

thf(2990,plain,
    ! [SV542: $i,SV115: $i,SV536: $i] :
      ( ( ( ~ ( in @ SV536 @ ( sK42_B @ SV115 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV542 @ SV536 ) )
        = $true )
      | ( ( in @ SV542 @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2883]) ).

thf(2991,plain,
    ! [SV116: $i,SV543: $i] :
      ( ( ( in @ SV543 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( ! [SY1144: $i] :
              ( ( SY1144
               != ( apply @ SV116 @ SV543 ) )
              | ( in @ ( ordered_pair @ SV543 @ SY1144 ) @ SV116 ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2884]) ).

thf(2992,plain,
    ! [SV116: $i,SV544: $i] :
      ( ( ( in @ SV544 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( ! [SY1145: $i] :
              ( ~ ( in @ ( ordered_pair @ SV544 @ SY1145 ) @ SV116 )
              | ( SY1145
                = ( apply @ SV116 @ SV544 ) ) ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2885]) ).

thf(2993,plain,
    ! [SV545: $i,SV116: $i,SV568: $i] :
      ( ( ( ( SV568
           != ( apply @ SV116 @ SV545 ) )
          | ( SV568 = empty_set ) )
        = $true )
      | ( ( in @ SV545 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2886]) ).

thf(2994,plain,
    ! [SV546: $i,SV116: $i,SV569: $i] :
      ( ( ( ( SV569 != empty_set )
          | ( SV569
            = ( apply @ SV116 @ SV546 ) ) )
        = $true )
      | ( ( in @ SV546 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2887]) ).

thf(2995,plain,
    ! [SV393: $i,SV334: $i,SV557: $i,SV117: $i,SV547: $i] :
      ( ( ( ~ ( in @ SV547 @ SV117 )
          | ~ ( in @ SV557 @ SV334 ) )
        = $true )
      | ( ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
           != ( ordered_pair @ SV547 @ SV557 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2888]) ).

thf(2996,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
              | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) ) )
        = $true )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2889]) ).

thf(2997,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
          = ( ordered_pair @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) ) )
        = $true )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2890]) ).

thf(2998,plain,
    ! [SV394: $i,SV548: $i,SV335: $i,SV117: $i,SV570: $i] :
      ( ( ( ! [SY1155: $i] :
              ( ~ ( in @ SV570 @ SV117 )
              | ~ ( in @ SY1155 @ SV335 )
              | ( SV548
               != ( ordered_pair @ SV570 @ SY1155 ) ) ) )
        = $true )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2891]) ).

thf(2999,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                    | ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
              | ( SV549
               != ( ordered_pair @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) ) ) ) )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2892]) ).

thf(3000,plain,
    ! [SV338: $i,SV395: $i,SV118: $i] :
      ( ( ( in @ SV118 @ ( relation_dom @ SV395 ) )
        = $false )
      | ( ( SV338
          = ( apply @ SV395 @ SV118 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV118 @ SV338 ) @ SV395 )
        = $true )
      | ( ( function @ SV395 )
        = $false )
      | ( ( relation @ SV395 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2893]) ).

thf(3001,plain,
    ! [SV497: $i,SV467: $i,SV118: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SV497 ) )
        = $true )
      | ( ( SV467
          = ( apply @ SV497 @ SV118 ) )
        = $true )
      | ( ( function @ SV497 )
        = $false )
      | ( ( relation @ SV497 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2894]) ).

thf(3002,plain,
    ! [SV498: $i,SV468: $i,SV118: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SV498 ) )
        = $true )
      | ( ( in @ SV118 @ ( relation_dom @ SV498 ) )
        = $true )
      | ( ( function @ SV498 )
        = $false )
      | ( ( relation @ SV498 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2895]) ).

thf(3003,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ( sK69_C @ SV339 @ SV273 )
          = ( sK70_SY500 @ SV339 @ SV273 ) )
        = $false )
      | ( ( ~ ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2896]) ).

thf(3004,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ( ( sK69_C @ SV339 @ SV273 )
            = ( sK70_SY500 @ SV339 @ SV273 ) )
          | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2897]) ).

thf(3005,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
          | ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2898]) ).

thf(3006,plain,
    ! [SV340: $i,SV274: $i,SV571: $i,SV558: $i] :
      ( ( ( ( SV558 != SV571 )
          | ~ ( in @ SV558 @ SV274 )
          | ( in @ ( ordered_pair @ SV558 @ SV571 ) @ SV340 ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2899]) ).

thf(3007,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ~ ! [SY970: $i,SY971: $i] :
                ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
                | ( SY970 = SY971 ) ) )
        = $false )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2900]) ).

thf(3008,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ~ ! [SY972: $i] :
                ( ! [SY973: $i] :
                    ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
                | ( in @ SY972 @ SV274 ) ) )
        = $false )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2900]) ).

thf(3009,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( ! [SY1135: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
              | ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
              | ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) ) )
        = $false )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2901]) ).

thf(3010,plain,
    ! [SV275: $i,SV120: $i,SV517: $i] :
      ( ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY1136: $i,SY1137: $i] :
                    ( ! [SY909: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
                    | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) )
              | ~ ! [SY1139: $i,SY1140: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                        | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) ) )
        = $true )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2902]) ).

thf(3011,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
          | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
          | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2905]) ).

thf(3012,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
                  | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
                  | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2906]) ).

thf(3013,plain,
    ! [SV474: $i,SV123: $i,SV425: $i] :
      ( ( ( ~ ! [SY1105: $i,SY1106: $i] :
                ( ~ ( in @ SY1105 @ SV425 )
                | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
                | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) ) )
        = $false )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2907]) ).

thf(3014,plain,
    ! [SV123: $i,SV425: $i,SV474: $i] :
      ( ( ( ~ ~ ( ~ ! [SY1107: $i] :
                      ( ! [SY1108: $i] :
                          ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                      | ( in @ SY1107 @ SV425 ) )
                | ~ ! [SY1109: $i,SY1110: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                      | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) )
        = $false )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2907]) ).

thf(3015,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
        = $true )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2908]) ).

thf(3016,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 )
        = $true )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2909]) ).

thf(3017,plain,
    ! [SV124: $i,SV427: $i] :
      ( ( ( ! [SY1043: $i,SY1044: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1043 @ SY1044 ) @ SV427 )
              | ( in @ ( ordered_pair @ SY1044 @ SY1043 ) @ SV124 ) ) )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2910]) ).

thf(3018,plain,
    ! [SV427: $i,SV124: $i] :
      ( ( ( ! [SY1045: $i,SY1046: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1046 @ SY1045 ) @ SV124 )
              | ( in @ ( ordered_pair @ SY1045 @ SY1046 ) @ SV427 ) ) )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2911]) ).

thf(3019,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
        = $true )
      | ( ( ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2912]) ).

thf(3020,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
           != ( sK38_C @ SV348 @ SV282 ) ) )
        = $true )
      | ( ( ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2913]) ).

thf(3021,plain,
    ! [SV428: $i,SV475: $i] :
      ( ( ( SV475
          = ( identity_relation @ SV428 ) )
        = $false )
      | ( ( ! [SY1111: $i] :
              ( ~ ( in @ SY1111 @ SV428 )
              | ( ( apply @ SV475 @ SY1111 )
                = SY1111 ) ) )
        = $true )
      | ( ( function @ SV475 )
        = $false )
      | ( ( relation @ SV475 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2914]) ).

thf(3022,plain,
    ! [SV429: $i,SV476: $i] :
      ( ( ( SV476
          = ( identity_relation @ SV429 ) )
        = $false )
      | ( ( ( relation_dom @ SV476 )
          = SV429 )
        = $true )
      | ( ( function @ SV476 )
        = $false )
      | ( ( relation @ SV476 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2915]) ).

thf(3023,plain,
    ! [SV125: $i,SV432: $i,SV479: $i,SV572: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV572 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
          | ~ ( in @ SV572 @ SV432 ) )
        = $true )
      | ( ( ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2916]) ).

thf(3024,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
          | ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) )
        = $false )
      | ( ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2917]) ).

thf(3025,plain,
    ! [SV480: $i,SV433: $i,SV125: $i,SV573: $i] :
      ( ( ( ! [SY1156: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1156 @ SV573 ) @ SV125 )
              | ~ ( in @ SY1156 @ SV433 ) )
          | ( in @ SV573 @ SV480 ) )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2918]) ).

thf(3026,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( ~ ( in @ SV574 @ SV480 )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV574 ) @ SV125 )
              | ~ ( in @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2919]) ).

thf(3027,plain,
    ! [SV518: $i,SV501: $i,SV228: $i,SV127: $i] :
      ( ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV501 ) @ SV518 ) )
        = $false )
      | ( ( in @ SV127 @ SV501 )
        = $true )
      | ( ( relation @ SV518 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2921]) ).

thf(3028,plain,
    ! [SV519: $i,SV502: $i,SV228: $i,SV127: $i] :
      ( ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ ( relation_composition @ ( identity_relation @ SV502 ) @ SV519 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV127 @ SV228 ) @ SV519 )
        = $true )
      | ( ( relation @ SV519 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2922]) ).

thf(3029,plain,
    ! [SV129: $i,SV439: $i,SV559: $i] :
      ( ( ( in @ ( ordered_pair @ SV559 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
        = $false )
      | ( ( ~ ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 ) )
        = $true )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2923]) ).

thf(3030,plain,
    ! [SV440: $i,SV129: $i,SV560: $i] :
      ( ( ( ! [SY1153: $i] :
              ~ ( in @ ( ordered_pair @ SY1153 @ SV560 ) @ SV129 ) )
        = $true )
      | ( ( in @ SV560 @ SV440 )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2924]) ).

thf(3031,plain,
    ! [SV129: $i,SV440: $i,SV561: $i] :
      ( ( ( ~ ( in @ SV561 @ SV440 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK18_D @ SV561 @ SV440 @ SV129 ) @ SV561 ) @ SV129 )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2925]) ).

thf(3032,plain,
    ! [SV575: $i,SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV575 ) @ SV131 )
          | ~ ( in @ SV575 @ SV442 ) )
        = $true )
      | ( ( ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2926]) ).

thf(3033,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
          | ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) )
        = $false )
      | ( ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2927]) ).

thf(3034,plain,
    ! [SV484: $i,SV443: $i,SV131: $i,SV576: $i] :
      ( ( ( ! [SY1157: $i] :
              ( ~ ( in @ ( ordered_pair @ SV576 @ SY1157 ) @ SV131 )
              | ~ ( in @ SY1157 @ SV443 ) )
          | ( in @ SV576 @ SV484 ) )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2928]) ).

thf(3035,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( ~ ( in @ SV577 @ SV484 )
          | ~ ( ~ ( in @ ( ordered_pair @ SV577 @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
              | ~ ( in @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2929]) ).

thf(3036,plain,
    ! [SV562: $i,SV134: $i,SV445: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SV562 ) @ SV134 )
        = $false )
      | ( ( ~ ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 ) )
        = $true )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2932]) ).

thf(3037,plain,
    ! [SV446: $i,SV134: $i,SV563: $i] :
      ( ( ( ! [SY1154: $i] :
              ~ ( in @ ( ordered_pair @ SV563 @ SY1154 ) @ SV134 ) )
        = $true )
      | ( ( in @ SV563 @ SV446 )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2933]) ).

thf(3038,plain,
    ! [SV134: $i,SV446: $i,SV564: $i] :
      ( ( ( ~ ( in @ SV564 @ SV446 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV564 @ ( sK21_D @ SV564 @ SV446 @ SV134 ) ) @ SV134 )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2934]) ).

thf(3039,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 ) )
        = $true )
      | ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
           != SV135 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2935]) ).

thf(3040,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ~ ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 ) )
        = $true )
      | ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
           != SV366 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2936]) ).

thf(3041,plain,
    ! [SV367: $i,SV135: $i,SV405: $i,SV550: $i] :
      ( ( ( in @ SV550 @ SV405 )
        = $false )
      | ( ( ( SV550 = SV135 )
          | ( SV550 = SV367 ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2937]) ).

thf(3042,plain,
    ! [SV367: $i,SV405: $i,SV135: $i] :
      ( ( ( ! [SY1020: $i] :
              ( ( SY1020 != SV135 )
              | ( in @ SY1020 @ SV405 ) ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2938]) ).

thf(3043,plain,
    ! [SV135: $i,SV405: $i,SV367: $i] :
      ( ( ( ! [SY1021: $i] :
              ( ( SY1021 != SV367 )
              | ( in @ SY1021 @ SV405 ) ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2939]) ).

thf(3044,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
        = $true )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2940]) ).

thf(3045,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 )
        = $true )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2941]) ).

thf(3046,plain,
    ! [SV448: $i,SV136: $i] :
      ( ( ( ! [SY1076: $i,SY1077: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV136 )
              | ( in @ ( ordered_pair @ SY1076 @ SY1077 ) @ SV448 ) ) )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2942]) ).

thf(3047,plain,
    ! [SV136: $i,SV448: $i] :
      ( ( ( ! [SY1078: $i,SY1079: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV448 )
              | ( in @ ( ordered_pair @ SY1078 @ SY1079 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2943]) ).

thf(3048,plain,
    ! [SV230: $i,SV137: $i,SV523: $i] :
      ( ( ( relation @ SV523 )
        = $false )
      | ( ( function @ SV523 )
        = $false )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ SV523 ) )
          | ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) )
          | ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2946]) ).

thf(3049,plain,
    ! [SV230: $i,SV137: $i,SV565: $i] :
      ( ( ( ~ ( function @ SV565 )
          | ~ ( relation @ SV565 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV565 @ SV230 ) ) )
          | ( in @ SV137 @ ( relation_dom @ SV565 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2947]) ).

thf(3050,plain,
    ! [SV230: $i,SV137: $i,SV566: $i] :
      ( ( ( ~ ( function @ SV566 )
          | ~ ( relation @ SV566 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV566 @ SV230 ) ) )
          | ( in @ ( apply @ SV566 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2948]) ).

thf(3051,plain,
    ! [SV551: $i,SV138: $i,SV537: $i] :
      ( ( ( ~ ( in @ SV537 @ ( sK41_B @ SV138 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV551 @ SV537 ) )
        = $true )
      | ( ( in @ SV551 @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2949]) ).

thf(3052,plain,
    ! [SV139: $i,SV449: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK24_C @ SV449 @ SV139 ) @ ( sK25_SY467 @ SV449 @ SV139 ) ) @ SV449 )
        = $false )
      | ( ( subset @ SV139 @ SV449 )
        = $true )
      | ( ( relation @ SV449 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2951]) ).

thf(3053,plain,
    ! [SV450: $i,SV139: $i,SV567: $i,SV552: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV552 @ SV567 ) @ SV139 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV552 @ SV567 ) @ SV450 )
        = $true )
      | ( ( subset @ SV139 @ SV450 )
        = $false )
      | ( ( relation @ SV450 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2952]) ).

thf(3054,plain,
    ! [SV375: $i,SV406: $i,SV524: $i,SV142: $i] :
      ( ( ( in @ ( ordered_pair @ SV142 @ SV524 ) @ SV406 )
        = $false )
      | ( ( in @ SV524 @ ( relation_rng @ SV406 ) )
        = $false )
      | ( ( ~ ( in @ SV524 @ SV375 ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) )
        = $true )
      | ( ( relation @ SV406 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2955]) ).

thf(3055,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
          | ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
        = $false )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2956]) ).

thf(3056,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
              | ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2958]) ).

thf(3057,plain,
    ! [SV510: $i,SV453: $i] :
      ( ( ( ! [SY1129: $i] :
              ( ~ ( in @ SY1129 @ SV453 )
              | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SY1129 ) ) )
        = $true )
      | ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2959]) ).

thf(3058,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( ! [SY1130: $i] :
              ( ~ ( ~ ( in @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) @ SV454 )
                  | ~ ~ ( in @ SY1130 @ ( sK63_D @ SY1130 @ SV511 @ SV454 ) ) )
              | ( in @ SY1130 @ SV511 ) ) )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2960]) ).

thf(3059,plain,
    ! [SV454: $i,SV511: $i] :
      ( ( ( ! [SY1131: $i] :
              ( ~ ( in @ SY1131 @ SV511 )
              | ! [SY1087: $i] :
                  ( ~ ( in @ SY1087 @ SV454 )
                  | ( in @ SY1131 @ SY1087 ) ) ) )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2961]) ).

thf(3060,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 ) )
        = $true )
      | ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2962]) ).

thf(3061,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 ) )
        = $true )
      | ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2963]) ).

thf(3062,plain,
    ! [SV379: $i,SV144: $i,SV410: $i,SV553: $i] :
      ( ( ( in @ SV553 @ SV410 )
        = $false )
      | ( ( ( in @ SV553 @ SV144 )
          | ( in @ SV553 @ SV379 ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2964]) ).

thf(3063,plain,
    ! [SV379: $i,SV410: $i,SV144: $i] :
      ( ( ( ! [SY1025: $i] :
              ( ~ ( in @ SY1025 @ SV144 )
              | ( in @ SY1025 @ SV410 ) ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2965]) ).

thf(3064,plain,
    ! [SV144: $i,SV410: $i,SV379: $i] :
      ( ( ( ! [SY1026: $i] :
              ( ~ ( in @ SY1026 @ SV379 )
              | ( in @ SY1026 @ SV410 ) ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2966]) ).

thf(3065,plain,
    ! [SV380: $i,SV411: $i,SV145: $i,SV528: $i] :
      ( ( ( in @ ( ordered_pair @ SV528 @ SV145 ) @ SV411 )
        = $false )
      | ( ( in @ SV528 @ ( relation_dom @ SV411 ) )
        = $false )
      | ( ( ~ ( in @ SV528 @ SV380 ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) )
        = $true )
      | ( ( relation @ SV411 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2967]) ).

thf(3066,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
          | ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
        = $false )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2968]) ).

thf(3067,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 )
        = $false )
      | ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
        = $true )
      | ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
        = $false )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2970]) ).

thf(3068,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV149 )
        = $true )
      | ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2971]) ).

thf(3069,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( ~ ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 ) )
        = $true )
      | ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2972]) ).

thf(3070,plain,
    ! [SV416: $i,SV388: $i,SV149: $i,SV554: $i] :
      ( ( ( ~ ( in @ SV554 @ SV149 ) )
        = $true )
      | ( ( in @ SV554 @ SV388 )
        = $true )
      | ( ( in @ SV554 @ SV416 )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2973]) ).

thf(3071,plain,
    ! [SV388: $i,SV149: $i,SV416: $i] :
      ( ( ( ! [SY1031: $i] :
              ( ~ ( in @ SY1031 @ SV416 )
              | ( in @ SY1031 @ SV149 ) ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2974]) ).

thf(3072,plain,
    ! [SV149: $i,SV388: $i,SV416: $i] :
      ( ( ( ! [SY1032: $i] :
              ( ~ ( in @ SY1032 @ SV416 )
              | ~ ( in @ SY1032 @ SV388 ) ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2975]) ).

thf(3073,plain,
    ! [SV112: $i,SV322: $i,SV390: $i] :
      ( ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV390 )
        = $false )
      | ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV112 )
        = $false )
      | ( ( in @ ( sK49_D @ SV390 @ SV322 @ SV112 ) @ SV322 )
        = $false )
      | ( ( SV390
          = ( set_intersection2 @ SV112 @ SV322 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2976]) ).

thf(3074,plain,
    ! [SV391: $i,SV323: $i,SV112: $i,SV541: $i] :
      ( ( ( in @ SV541 @ SV112 )
        = $false )
      | ( ( ~ ( in @ SV541 @ SV323 ) )
        = $true )
      | ( ( in @ SV541 @ SV391 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2979]) ).

thf(3075,plain,
    ! [SV323: $i,SV112: $i,SV391: $i,SV578: $i] :
      ( ( ( ~ ( in @ SV578 @ SV391 )
          | ( in @ SV578 @ SV112 ) )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2980]) ).

thf(3076,plain,
    ! [SV112: $i,SV323: $i,SV391: $i,SV579: $i] :
      ( ( ( ~ ( in @ SV579 @ SV391 )
          | ( in @ SV579 @ SV323 ) )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2981]) ).

thf(3077,plain,
    ! [SV530: $i,SV258: $i,SV324: $i] :
      ( ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV324 )
        = $false )
      | ( ( in @ ( sK47_C @ SV324 @ SV258 ) @ SV530 )
        = $false )
      | ( ( in @ SV530 @ SV258 )
        = $false )
      | ( ( SV324
          = ( union @ SV258 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2982]) ).

thf(3078,plain,
    ! [SV325: $i,SV259: $i,SV555: $i,SV531: $i] :
      ( ( ( in @ SV531 @ SV555 )
        = $false )
      | ( ( ~ ( in @ SV555 @ SV259 ) )
        = $true )
      | ( ( in @ SV531 @ SV325 )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2983]) ).

thf(3079,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( ~ ( in @ SV532 @ ( sK46_D @ SV532 @ SV325 @ SV259 ) ) )
        = $false )
      | ( ( in @ SV532 @ SV325 )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2984]) ).

thf(3080,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( ~ ( in @ ( sK46_D @ SV532 @ SV325 @ SV259 ) @ SV259 ) )
        = $false )
      | ( ( in @ SV532 @ SV325 )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2984]) ).

thf(3081,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
          | ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2985]) ).

thf(3082,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
              | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
              | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) )
        = $false )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2986]) ).

thf(3083,plain,
    ! [SV464: $i,SV225: $i,SV113: $i] :
      ( ( ( ! [SY1094: $i,SY1095: $i] :
              ( ~ ( in @ SY1095 @ SV113 )
              | ~ ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV225 )
              | ( in @ ( ordered_pair @ SY1094 @ SY1095 ) @ SV464 ) ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2987]) ).

thf(3084,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ~ ( ~ ! [SY1096: $i,SY1097: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                    | ( in @ SY1097 @ SV113 ) )
              | ~ ! [SY1098: $i,SY1099: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                    | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2988]) ).

thf(3085,plain,
    ! [SV115: $i,SV465: $i,SV556: $i] :
      ( ( ( subset @ SV556 @ SV465 )
        = $false )
      | ( ( in @ SV556 @ ( sK43_SY481 @ SV465 @ SV115 ) )
        = $true )
      | ( ( ~ ( in @ SV465 @ ( sK42_B @ SV115 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2989]) ).

thf(3086,plain,
    ! [SV542: $i,SV115: $i,SV536: $i] :
      ( ( ( in @ SV536 @ ( sK42_B @ SV115 ) )
        = $false )
      | ( ( ~ ( subset @ SV542 @ SV536 ) )
        = $true )
      | ( ( in @ SV542 @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2990]) ).

thf(3087,plain,
    ! [SV543: $i,SV116: $i,SV580: $i] :
      ( ( ( ( SV580
           != ( apply @ SV116 @ SV543 ) )
          | ( in @ ( ordered_pair @ SV543 @ SV580 ) @ SV116 ) )
        = $true )
      | ( ( in @ SV543 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2991]) ).

thf(3088,plain,
    ! [SV116: $i,SV581: $i,SV544: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV544 @ SV581 ) @ SV116 )
          | ( SV581
            = ( apply @ SV116 @ SV544 ) ) )
        = $true )
      | ( ( in @ SV544 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2992]) ).

thf(3089,plain,
    ! [SV545: $i,SV116: $i,SV568: $i] :
      ( ( ( ( SV568
           != ( apply @ SV116 @ SV545 ) ) )
        = $true )
      | ( ( SV568 = empty_set )
        = $true )
      | ( ( in @ SV545 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2993]) ).

thf(3090,plain,
    ! [SV546: $i,SV116: $i,SV569: $i] :
      ( ( ( ( SV569 != empty_set ) )
        = $true )
      | ( ( SV569
          = ( apply @ SV116 @ SV546 ) )
        = $true )
      | ( ( in @ SV546 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2994]) ).

thf(3091,plain,
    ! [SV393: $i,SV334: $i,SV557: $i,SV117: $i,SV547: $i] :
      ( ( ( ~ ( in @ SV547 @ SV117 ) )
        = $true )
      | ( ( ~ ( in @ SV557 @ SV334 ) )
        = $true )
      | ( ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
           != ( ordered_pair @ SV547 @ SV557 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2995]) ).

thf(3092,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
          | ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
        = $false )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2996]) ).

thf(3093,plain,
    ! [SV394: $i,SV548: $i,SV335: $i,SV582: $i,SV117: $i,SV570: $i] :
      ( ( ( ~ ( in @ SV570 @ SV117 )
          | ~ ( in @ SV582 @ SV335 )
          | ( SV548
           != ( ordered_pair @ SV570 @ SV582 ) ) )
        = $true )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2998]) ).

thf(3094,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                | ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
          | ( SV549
           != ( ordered_pair @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) ) ) )
        = $false )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2999]) ).

thf(3095,plain,
    ! [SV497: $i,SV467: $i,SV118: $i] :
      ( ( ( in @ ( ordered_pair @ SV118 @ SV467 ) @ SV497 )
        = $false )
      | ( ( SV467
          = ( apply @ SV497 @ SV118 ) )
        = $true )
      | ( ( function @ SV497 )
        = $false )
      | ( ( relation @ SV497 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3001]) ).

thf(3096,plain,
    ! [SV498: $i,SV468: $i,SV118: $i] :
      ( ( ( in @ ( ordered_pair @ SV118 @ SV468 ) @ SV498 )
        = $false )
      | ( ( in @ SV118 @ ( relation_dom @ SV498 ) )
        = $true )
      | ( ( function @ SV498 )
        = $false )
      | ( ( relation @ SV498 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3002]) ).

thf(3097,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
        = $false )
      | ( ( ( sK69_C @ SV339 @ SV273 )
          = ( sK70_SY500 @ SV339 @ SV273 ) )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3003]) ).

thf(3098,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( ( sK69_C @ SV339 @ SV273 )
          = ( sK70_SY500 @ SV339 @ SV273 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3004]) ).

thf(3099,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 )
        = $true )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3005]) ).

thf(3100,plain,
    ! [SV340: $i,SV274: $i,SV571: $i,SV558: $i] :
      ( ( ( ( SV558 != SV571 )
          | ~ ( in @ SV558 @ SV274 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV558 @ SV571 ) @ SV340 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3006]) ).

thf(3101,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ! [SY970: $i,SY971: $i] :
              ( ~ ( in @ ( ordered_pair @ SY970 @ SY971 ) @ SV340 )
              | ( SY970 = SY971 ) ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3007]) ).

thf(3102,plain,
    ! [SV274: $i,SV340: $i] :
      ( ( ( ! [SY972: $i] :
              ( ! [SY973: $i] :
                  ~ ( in @ ( ordered_pair @ SY972 @ SY973 ) @ SV340 )
              | ( in @ SY972 @ SV274 ) ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3008]) ).

thf(3103,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( ! [SY1135: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
              | ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) ) )
        = $false )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3009]) ).

thf(3104,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
              | ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) ) )
        = $false )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3009]) ).

thf(3105,plain,
    ! [SV517: $i,SV275: $i,SV120: $i] :
      ( ( ( ~ ! [SY1136: $i,SY1137: $i] :
                ( ! [SY909: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                    | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
                | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) )
          | ~ ! [SY1139: $i,SY1140: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                    | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3010]) ).

thf(3106,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
          | ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3011]) ).

thf(3107,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
              | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) )
        = $false )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3012]) ).

thf(3108,plain,
    ! [SV474: $i,SV123: $i,SV425: $i] :
      ( ( ( ! [SY1105: $i,SY1106: $i] :
              ( ~ ( in @ SY1105 @ SV425 )
              | ~ ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV123 )
              | ( in @ ( ordered_pair @ SY1105 @ SY1106 ) @ SV474 ) ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3013]) ).

thf(3109,plain,
    ! [SV123: $i,SV425: $i,SV474: $i] :
      ( ( ( ~ ( ~ ! [SY1107: $i] :
                    ( ! [SY1108: $i] :
                        ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                    | ( in @ SY1107 @ SV425 ) )
              | ~ ! [SY1109: $i,SY1110: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                    | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3014]) ).

thf(3110,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 ) )
        = $true )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3015]) ).

thf(3111,plain,
    ! [SV124: $i,SV427: $i,SV583: $i] :
      ( ( ( ! [SY1158: $i] :
              ( ~ ( in @ ( ordered_pair @ SV583 @ SY1158 ) @ SV427 )
              | ( in @ ( ordered_pair @ SY1158 @ SV583 ) @ SV124 ) ) )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3017]) ).

thf(3112,plain,
    ! [SV427: $i,SV124: $i,SV584: $i] :
      ( ( ( ! [SY1159: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1159 @ SV584 ) @ SV124 )
              | ( in @ ( ordered_pair @ SV584 @ SY1159 ) @ SV427 ) ) )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3018]) ).

thf(3113,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ( relation_dom @ SV348 )
          = SV282 )
        = $false )
      | ( ( in @ ( sK38_C @ SV348 @ SV282 ) @ SV282 )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3019]) ).

thf(3114,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
          = ( sK38_C @ SV348 @ SV282 ) )
        = $false )
      | ( ( ( ( relation_dom @ SV348 )
           != SV282 ) )
        = $true )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3020]) ).

thf(3115,plain,
    ! [SV475: $i,SV428: $i,SV585: $i] :
      ( ( ( ~ ( in @ SV585 @ SV428 )
          | ( ( apply @ SV475 @ SV585 )
            = SV585 ) )
        = $true )
      | ( ( SV475
          = ( identity_relation @ SV428 ) )
        = $false )
      | ( ( function @ SV475 )
        = $false )
      | ( ( relation @ SV475 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3021]) ).

thf(3116,plain,
    ! [SV125: $i,SV432: $i,SV479: $i,SV572: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV572 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 ) )
        = $true )
      | ( ( ~ ( in @ SV572 @ SV432 ) )
        = $true )
      | ( ( ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3023]) ).

thf(3117,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 ) )
        = $false )
      | ( ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3024]) ).

thf(3118,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( ~ ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 ) )
        = $false )
      | ( ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3024]) ).

thf(3119,plain,
    ! [SV480: $i,SV433: $i,SV125: $i,SV573: $i] :
      ( ( ( ! [SY1156: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1156 @ SV573 ) @ SV125 )
              | ~ ( in @ SY1156 @ SV433 ) ) )
        = $true )
      | ( ( in @ SV573 @ SV480 )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3025]) ).

thf(3120,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( ~ ( in @ SV574 @ SV480 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV574 ) @ SV125 )
              | ~ ( in @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3026]) ).

thf(3121,plain,
    ! [SV559: $i,SV129: $i,SV439: $i] :
      ( ( ( in @ ( sK19_C @ SV439 @ SV129 ) @ SV439 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV559 @ ( sK19_C @ SV439 @ SV129 ) ) @ SV129 )
        = $false )
      | ( ( SV439
          = ( relation_rng @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3029]) ).

thf(3122,plain,
    ! [SV440: $i,SV129: $i,SV560: $i,SV586: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV586 @ SV560 ) @ SV129 ) )
        = $true )
      | ( ( in @ SV560 @ SV440 )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3030]) ).

thf(3123,plain,
    ! [SV129: $i,SV440: $i,SV561: $i] :
      ( ( ( in @ SV561 @ SV440 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK18_D @ SV561 @ SV440 @ SV129 ) @ SV561 ) @ SV129 )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3031]) ).

thf(3124,plain,
    ! [SV575: $i,SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV575 ) @ SV131 ) )
        = $true )
      | ( ( ~ ( in @ SV575 @ SV442 ) )
        = $true )
      | ( ( ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3032]) ).

thf(3125,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 ) )
        = $false )
      | ( ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3033]) ).

thf(3126,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( ~ ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 ) )
        = $false )
      | ( ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3033]) ).

thf(3127,plain,
    ! [SV484: $i,SV443: $i,SV131: $i,SV576: $i] :
      ( ( ( ! [SY1157: $i] :
              ( ~ ( in @ ( ordered_pair @ SV576 @ SY1157 ) @ SV131 )
              | ~ ( in @ SY1157 @ SV443 ) ) )
        = $true )
      | ( ( in @ SV576 @ SV484 )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3034]) ).

thf(3128,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( ~ ( in @ SV577 @ SV484 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV577 @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
              | ~ ( in @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3035]) ).

thf(3129,plain,
    ! [SV562: $i,SV134: $i,SV445: $i] :
      ( ( ( in @ ( sK22_C @ SV445 @ SV134 ) @ SV445 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK22_C @ SV445 @ SV134 ) @ SV562 ) @ SV134 )
        = $false )
      | ( ( SV445
          = ( relation_dom @ SV134 ) )
        = $true )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3036]) ).

thf(3130,plain,
    ! [SV446: $i,SV134: $i,SV587: $i,SV563: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV563 @ SV587 ) @ SV134 ) )
        = $true )
      | ( ( in @ SV563 @ SV446 )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3037]) ).

thf(3131,plain,
    ! [SV134: $i,SV446: $i,SV564: $i] :
      ( ( ( in @ SV564 @ SV446 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV564 @ ( sK21_D @ SV564 @ SV446 @ SV134 ) ) @ SV134 )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3038]) ).

thf(3132,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
        = $false )
      | ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
           != SV135 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3039]) ).

thf(3133,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
        = $false )
      | ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
           != SV366 ) )
        = $true )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3040]) ).

thf(3134,plain,
    ! [SV405: $i,SV367: $i,SV135: $i,SV550: $i] :
      ( ( ( SV550 = SV135 )
        = $true )
      | ( ( SV550 = SV367 )
        = $true )
      | ( ( in @ SV550 @ SV405 )
        = $false )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3041]) ).

thf(3135,plain,
    ! [SV367: $i,SV405: $i,SV135: $i,SV588: $i] :
      ( ( ( ( SV588 != SV135 )
          | ( in @ SV588 @ SV405 ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3042]) ).

thf(3136,plain,
    ! [SV135: $i,SV405: $i,SV367: $i,SV589: $i] :
      ( ( ( ( SV589 != SV367 )
          | ( in @ SV589 @ SV405 ) )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3043]) ).

thf(3137,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 ) )
        = $true )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3044]) ).

thf(3138,plain,
    ! [SV448: $i,SV136: $i,SV590: $i] :
      ( ( ( ! [SY1160: $i] :
              ( ~ ( in @ ( ordered_pair @ SV590 @ SY1160 ) @ SV136 )
              | ( in @ ( ordered_pair @ SV590 @ SY1160 ) @ SV448 ) ) )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3046]) ).

thf(3139,plain,
    ! [SV136: $i,SV448: $i,SV591: $i] :
      ( ( ( ! [SY1161: $i] :
              ( ~ ( in @ ( ordered_pair @ SV591 @ SY1161 ) @ SV448 )
              | ( in @ ( ordered_pair @ SV591 @ SY1161 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3047]) ).

thf(3140,plain,
    ! [SV230: $i,SV523: $i,SV137: $i] :
      ( ( ( ~ ( in @ SV137 @ ( relation_dom @ SV523 ) )
          | ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) )
        = $true )
      | ( ( function @ SV523 )
        = $false )
      | ( ( relation @ SV523 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3048]) ).

thf(3141,plain,
    ! [SV230: $i,SV137: $i,SV565: $i] :
      ( ( ( ~ ( function @ SV565 ) )
        = $true )
      | ( ( ~ ( relation @ SV565 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV565 @ SV230 ) ) )
          | ( in @ SV137 @ ( relation_dom @ SV565 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3049]) ).

thf(3142,plain,
    ! [SV230: $i,SV137: $i,SV566: $i] :
      ( ( ( ~ ( function @ SV566 ) )
        = $true )
      | ( ( ~ ( relation @ SV566 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV566 @ SV230 ) ) )
          | ( in @ ( apply @ SV566 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3050]) ).

thf(3143,plain,
    ! [SV551: $i,SV138: $i,SV537: $i] :
      ( ( ( in @ SV537 @ ( sK41_B @ SV138 ) )
        = $false )
      | ( ( ~ ( subset @ SV551 @ SV537 ) )
        = $true )
      | ( ( in @ SV551 @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3051]) ).

thf(3144,plain,
    ! [SV450: $i,SV139: $i,SV567: $i,SV552: $i] :
      ( ( ( in @ ( ordered_pair @ SV552 @ SV567 ) @ SV139 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV552 @ SV567 ) @ SV450 )
        = $true )
      | ( ( subset @ SV139 @ SV450 )
        = $false )
      | ( ( relation @ SV450 )
        = $false )
      | ( ( relation @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3053]) ).

thf(3145,plain,
    ! [SV142: $i,SV406: $i,SV375: $i,SV524: $i] :
      ( ( ( in @ SV524 @ SV375 )
        = $false )
      | ( ( in @ SV524 @ ( relation_rng @ SV406 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV142 @ SV524 ) @ SV406 )
        = $false )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV406 @ SV375 ) )
        = $true )
      | ( ( relation @ SV406 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3054]) ).

thf(3146,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( ~ ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) ) )
        = $false )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3055]) ).

thf(3147,plain,
    ! [SV376: $i,SV407: $i,SV142: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 ) )
        = $false )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3055]) ).

thf(3148,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
          | ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
        = $false )
      | ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3056]) ).

thf(3149,plain,
    ! [SV510: $i,SV453: $i,SV592: $i] :
      ( ( ( ~ ( in @ SV592 @ SV453 )
          | ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV592 ) )
        = $true )
      | ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[3057]) ).

thf(3150,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK63_D @ SV593 @ SV511 @ SV454 ) @ SV454 )
              | ~ ~ ( in @ SV593 @ ( sK63_D @ SV593 @ SV511 @ SV454 ) ) )
          | ( in @ SV593 @ SV511 ) )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[3058]) ).

thf(3151,plain,
    ! [SV454: $i,SV511: $i,SV594: $i] :
      ( ( ( ~ ( in @ SV594 @ SV511 )
          | ! [SY1162: $i] :
              ( ~ ( in @ SY1162 @ SV454 )
              | ( in @ SV594 @ SY1162 ) ) )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[3059]) ).

thf(3152,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
        = $false )
      | ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3060]) ).

thf(3153,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
        = $false )
      | ( ( ~ ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 ) )
        = $true )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3061]) ).

thf(3154,plain,
    ! [SV410: $i,SV379: $i,SV144: $i,SV553: $i] :
      ( ( ( in @ SV553 @ SV144 )
        = $true )
      | ( ( in @ SV553 @ SV379 )
        = $true )
      | ( ( in @ SV553 @ SV410 )
        = $false )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3062]) ).

thf(3155,plain,
    ! [SV379: $i,SV410: $i,SV144: $i,SV595: $i] :
      ( ( ( ~ ( in @ SV595 @ SV144 )
          | ( in @ SV595 @ SV410 ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3063]) ).

thf(3156,plain,
    ! [SV144: $i,SV410: $i,SV379: $i,SV596: $i] :
      ( ( ( ~ ( in @ SV596 @ SV379 )
          | ( in @ SV596 @ SV410 ) )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3064]) ).

thf(3157,plain,
    ! [SV145: $i,SV411: $i,SV380: $i,SV528: $i] :
      ( ( ( in @ SV528 @ SV380 )
        = $false )
      | ( ( in @ SV528 @ ( relation_dom @ SV411 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV528 @ SV145 ) @ SV411 )
        = $false )
      | ( ( in @ SV145 @ ( relation_image @ SV411 @ SV380 ) )
        = $true )
      | ( ( relation @ SV411 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3065]) ).

thf(3158,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( ~ ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) ) )
        = $false )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3066]) ).

thf(3159,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 ) )
        = $false )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3066]) ).

thf(3160,plain,
    ! [SV149: $i,SV387: $i,SV415: $i] :
      ( ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV387 )
        = $false )
      | ( ( in @ ( sK45_D @ SV415 @ SV387 @ SV149 ) @ SV415 )
        = $true )
      | ( ( SV415
          = ( set_difference @ SV149 @ SV387 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3069]) ).

thf(3161,plain,
    ! [SV416: $i,SV388: $i,SV149: $i,SV554: $i] :
      ( ( ( in @ SV554 @ SV149 )
        = $false )
      | ( ( in @ SV554 @ SV388 )
        = $true )
      | ( ( in @ SV554 @ SV416 )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3070]) ).

thf(3162,plain,
    ! [SV388: $i,SV149: $i,SV416: $i,SV597: $i] :
      ( ( ( ~ ( in @ SV597 @ SV416 )
          | ( in @ SV597 @ SV149 ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3071]) ).

thf(3163,plain,
    ! [SV149: $i,SV388: $i,SV416: $i,SV598: $i] :
      ( ( ( ~ ( in @ SV598 @ SV416 )
          | ~ ( in @ SV598 @ SV388 ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3072]) ).

thf(3164,plain,
    ! [SV391: $i,SV112: $i,SV323: $i,SV541: $i] :
      ( ( ( in @ SV541 @ SV323 )
        = $false )
      | ( ( in @ SV541 @ SV112 )
        = $false )
      | ( ( in @ SV541 @ SV391 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3074]) ).

thf(3165,plain,
    ! [SV323: $i,SV112: $i,SV391: $i,SV578: $i] :
      ( ( ( ~ ( in @ SV578 @ SV391 ) )
        = $true )
      | ( ( in @ SV578 @ SV112 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3075]) ).

thf(3166,plain,
    ! [SV112: $i,SV323: $i,SV391: $i,SV579: $i] :
      ( ( ( ~ ( in @ SV579 @ SV391 ) )
        = $true )
      | ( ( in @ SV579 @ SV323 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3076]) ).

thf(3167,plain,
    ! [SV325: $i,SV531: $i,SV259: $i,SV555: $i] :
      ( ( ( in @ SV555 @ SV259 )
        = $false )
      | ( ( in @ SV531 @ SV555 )
        = $false )
      | ( ( in @ SV531 @ SV325 )
        = $true )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3078]) ).

thf(3168,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( in @ SV532 @ ( sK46_D @ SV532 @ SV325 @ SV259 ) )
        = $true )
      | ( ( in @ SV532 @ SV325 )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3079]) ).

thf(3169,plain,
    ! [SV259: $i,SV325: $i,SV532: $i] :
      ( ( ( in @ ( sK46_D @ SV532 @ SV325 @ SV259 ) @ SV259 )
        = $true )
      | ( ( in @ SV532 @ SV325 )
        = $false )
      | ( ( SV325
          = ( union @ SV259 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3080]) ).

thf(3170,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3081]) ).

thf(3171,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
              | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) )
        = $false )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3082]) ).

thf(3172,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
              | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) ) )
        = $false )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3082]) ).

thf(3173,plain,
    ! [SV464: $i,SV225: $i,SV599: $i,SV113: $i] :
      ( ( ( ! [SY1163: $i] :
              ( ~ ( in @ SY1163 @ SV113 )
              | ~ ( in @ ( ordered_pair @ SV599 @ SY1163 ) @ SV225 )
              | ( in @ ( ordered_pair @ SV599 @ SY1163 ) @ SV464 ) ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3083]) ).

thf(3174,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ~ ! [SY1096: $i,SY1097: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                | ( in @ SY1097 @ SV113 ) )
          | ~ ! [SY1098: $i,SY1099: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) )
        = $false )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3084]) ).

thf(3175,plain,
    ! [SV556: $i,SV115: $i,SV465: $i] :
      ( ( ( in @ SV465 @ ( sK42_B @ SV115 ) )
        = $false )
      | ( ( in @ SV556 @ ( sK43_SY481 @ SV465 @ SV115 ) )
        = $true )
      | ( ( subset @ SV556 @ SV465 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3085]) ).

thf(3176,plain,
    ! [SV115: $i,SV536: $i,SV542: $i] :
      ( ( ( subset @ SV542 @ SV536 )
        = $false )
      | ( ( in @ SV536 @ ( sK42_B @ SV115 ) )
        = $false )
      | ( ( in @ SV542 @ ( sK42_B @ SV115 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3086]) ).

thf(3177,plain,
    ! [SV543: $i,SV116: $i,SV580: $i] :
      ( ( ( ( SV580
           != ( apply @ SV116 @ SV543 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV543 @ SV580 ) @ SV116 )
        = $true )
      | ( ( in @ SV543 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3087]) ).

thf(3178,plain,
    ! [SV116: $i,SV581: $i,SV544: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV544 @ SV581 ) @ SV116 ) )
        = $true )
      | ( ( SV581
          = ( apply @ SV116 @ SV544 ) )
        = $true )
      | ( ( in @ SV544 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3088]) ).

thf(3179,plain,
    ! [SV545: $i,SV116: $i,SV568: $i] :
      ( ( ( SV568
          = ( apply @ SV116 @ SV545 ) )
        = $false )
      | ( ( SV568 = empty_set )
        = $true )
      | ( ( in @ SV545 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3089]) ).

thf(3180,plain,
    ! [SV546: $i,SV116: $i,SV569: $i] :
      ( ( ( SV569 = empty_set )
        = $false )
      | ( ( SV569
          = ( apply @ SV116 @ SV546 ) )
        = $true )
      | ( ( in @ SV546 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3090]) ).

thf(3181,plain,
    ! [SV393: $i,SV334: $i,SV557: $i,SV117: $i,SV547: $i] :
      ( ( ( in @ SV547 @ SV117 )
        = $false )
      | ( ( ~ ( in @ SV557 @ SV334 ) )
        = $true )
      | ( ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
           != ( ordered_pair @ SV547 @ SV557 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3091]) ).

thf(3182,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 ) )
        = $false )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[3092]) ).

thf(3183,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ~ ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 ) )
        = $false )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[3092]) ).

thf(3184,plain,
    ! [SV394: $i,SV548: $i,SV335: $i,SV582: $i,SV117: $i,SV570: $i] :
      ( ( ( ~ ( in @ SV570 @ SV117 )
          | ~ ( in @ SV582 @ SV335 ) )
        = $true )
      | ( ( ( SV548
           != ( ordered_pair @ SV570 @ SV582 ) ) )
        = $true )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3093]) ).

thf(3185,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
                | ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) ) )
        = $false )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3094]) ).

thf(3186,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ( SV549
           != ( ordered_pair @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) ) ) )
        = $false )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3094]) ).

thf(3187,plain,
    ! [SV273: $i,SV339: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK69_C @ SV339 @ SV273 ) @ ( sK70_SY500 @ SV339 @ SV273 ) ) @ SV339 )
        = $false )
      | ( ( ( sK69_C @ SV339 @ SV273 )
          = ( sK70_SY500 @ SV339 @ SV273 ) )
        = $false )
      | ( ( in @ ( sK69_C @ SV339 @ SV273 ) @ SV273 )
        = $false )
      | ( ( SV339
          = ( identity_relation @ SV273 ) )
        = $true )
      | ( ( relation @ SV339 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3097]) ).

thf(3188,plain,
    ! [SV340: $i,SV274: $i,SV571: $i,SV558: $i] :
      ( ( ( ( SV558 != SV571 ) )
        = $true )
      | ( ( ~ ( in @ SV558 @ SV274 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV558 @ SV571 ) @ SV340 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3100]) ).

thf(3189,plain,
    ! [SV274: $i,SV340: $i,SV600: $i] :
      ( ( ( ! [SY1164: $i] :
              ( ~ ( in @ ( ordered_pair @ SV600 @ SY1164 ) @ SV340 )
              | ( SV600 = SY1164 ) ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3101]) ).

thf(3190,plain,
    ! [SV274: $i,SV340: $i,SV601: $i] :
      ( ( ( ! [SY1165: $i] :
              ~ ( in @ ( ordered_pair @ SV601 @ SY1165 ) @ SV340 )
          | ( in @ SV601 @ SV274 ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3102]) ).

thf(3191,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ! [SY1135: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
          | ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3103]) ).

thf(3192,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
          | ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3104]) ).

thf(3193,plain,
    ! [SV517: $i,SV275: $i,SV120: $i] :
      ( ( ( ~ ! [SY1136: $i,SY1137: $i] :
                ( ! [SY909: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                    | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
                | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) ) )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3105]) ).

thf(3194,plain,
    ! [SV120: $i,SV275: $i,SV517: $i] :
      ( ( ( ~ ! [SY1139: $i,SY1140: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                    | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3105]) ).

thf(3195,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3106]) ).

thf(3196,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
              | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) )
        = $false )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3107]) ).

thf(3197,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) ) )
        = $false )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3107]) ).

thf(3198,plain,
    ! [SV474: $i,SV123: $i,SV425: $i,SV602: $i] :
      ( ( ( ! [SY1166: $i] :
              ( ~ ( in @ SV602 @ SV425 )
              | ~ ( in @ ( ordered_pair @ SV602 @ SY1166 ) @ SV123 )
              | ( in @ ( ordered_pair @ SV602 @ SY1166 ) @ SV474 ) ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3108]) ).

thf(3199,plain,
    ! [SV123: $i,SV425: $i,SV474: $i] :
      ( ( ( ~ ! [SY1107: $i] :
                ( ! [SY1108: $i] :
                    ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                | ( in @ SY1107 @ SV425 ) )
          | ~ ! [SY1109: $i,SY1110: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) )
        = $false )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3109]) ).

thf(3200,plain,
    ! [SV124: $i,SV426: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK17_SY462 @ SV426 @ SV124 ) @ ( sK16_C @ SV426 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK16_C @ SV426 @ SV124 ) @ ( sK17_SY462 @ SV426 @ SV124 ) ) @ SV426 )
        = $false )
      | ( ( SV426
          = ( relation_inverse @ SV124 ) )
        = $true )
      | ( ( relation @ SV426 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3110]) ).

thf(3201,plain,
    ! [SV124: $i,SV427: $i,SV603: $i,SV583: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV583 @ SV603 ) @ SV427 )
          | ( in @ ( ordered_pair @ SV603 @ SV583 ) @ SV124 ) )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3111]) ).

thf(3202,plain,
    ! [SV427: $i,SV124: $i,SV584: $i,SV604: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV604 @ SV584 ) @ SV124 )
          | ( in @ ( ordered_pair @ SV584 @ SV604 ) @ SV427 ) )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3112]) ).

thf(3203,plain,
    ! [SV282: $i,SV348: $i] :
      ( ( ( ( relation_dom @ SV348 )
          = SV282 )
        = $false )
      | ( ( ( apply @ SV348 @ ( sK38_C @ SV348 @ SV282 ) )
          = ( sK38_C @ SV348 @ SV282 ) )
        = $false )
      | ( ( SV348
          = ( identity_relation @ SV282 ) )
        = $true )
      | ( ( function @ SV348 )
        = $false )
      | ( ( relation @ SV348 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3114]) ).

thf(3204,plain,
    ! [SV475: $i,SV428: $i,SV585: $i] :
      ( ( ( ~ ( in @ SV585 @ SV428 ) )
        = $true )
      | ( ( ( apply @ SV475 @ SV585 )
          = SV585 )
        = $true )
      | ( ( SV475
          = ( identity_relation @ SV428 ) )
        = $false )
      | ( ( function @ SV475 )
        = $false )
      | ( ( relation @ SV475 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3115]) ).

thf(3205,plain,
    ! [SV125: $i,SV432: $i,SV479: $i,SV572: $i] :
      ( ( ( in @ ( ordered_pair @ SV572 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
        = $false )
      | ( ( ~ ( in @ SV572 @ SV432 ) )
        = $true )
      | ( ( ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3116]) ).

thf(3206,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
        = $true )
      | ( ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3117]) ).

thf(3207,plain,
    ! [SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( in @ ( sK31_SY471 @ SV479 @ SV432 @ SV125 ) @ SV432 )
        = $true )
      | ( ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3118]) ).

thf(3208,plain,
    ! [SV480: $i,SV433: $i,SV125: $i,SV573: $i,SV605: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV605 @ SV573 ) @ SV125 )
          | ~ ( in @ SV605 @ SV433 ) )
        = $true )
      | ( ( in @ SV573 @ SV480 )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3119]) ).

thf(3209,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( in @ SV574 @ SV480 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV574 ) @ SV125 )
              | ~ ( in @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV433 ) ) )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3120]) ).

thf(3210,plain,
    ! [SV440: $i,SV129: $i,SV560: $i,SV586: $i] :
      ( ( ( in @ ( ordered_pair @ SV586 @ SV560 ) @ SV129 )
        = $false )
      | ( ( in @ SV560 @ SV440 )
        = $true )
      | ( ( SV440
          = ( relation_rng @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3122]) ).

thf(3211,plain,
    ! [SV575: $i,SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV575 ) @ SV131 )
        = $false )
      | ( ( ~ ( in @ SV575 @ SV442 ) )
        = $true )
      | ( ( ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3124]) ).

thf(3212,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) ) @ SV131 )
        = $true )
      | ( ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3125]) ).

thf(3213,plain,
    ! [SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( in @ ( sK28_SY469 @ SV483 @ SV442 @ SV131 ) @ SV442 )
        = $true )
      | ( ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3126]) ).

thf(3214,plain,
    ! [SV484: $i,SV443: $i,SV131: $i,SV606: $i,SV576: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV576 @ SV606 ) @ SV131 )
          | ~ ( in @ SV606 @ SV443 ) )
        = $true )
      | ( ( in @ SV576 @ SV484 )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3127]) ).

thf(3215,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( in @ SV577 @ SV484 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV577 @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
              | ~ ( in @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) @ SV443 ) ) )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3128]) ).

thf(3216,plain,
    ! [SV446: $i,SV134: $i,SV587: $i,SV563: $i] :
      ( ( ( in @ ( ordered_pair @ SV563 @ SV587 ) @ SV134 )
        = $false )
      | ( ( in @ SV563 @ SV446 )
        = $true )
      | ( ( SV446
          = ( relation_dom @ SV134 ) )
        = $false )
      | ( ( relation @ SV134 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3130]) ).

thf(3217,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
          = SV135 )
        = $false )
      | ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3132]) ).

thf(3218,plain,
    ! [SV135: $i,SV366: $i,SV404: $i] :
      ( ( ( ( sK57_D @ SV404 @ SV366 @ SV135 )
          = SV366 )
        = $false )
      | ( ( in @ ( sK57_D @ SV404 @ SV366 @ SV135 ) @ SV404 )
        = $false )
      | ( ( SV404
          = ( unordered_pair @ SV135 @ SV366 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3133]) ).

thf(3219,plain,
    ! [SV367: $i,SV405: $i,SV135: $i,SV588: $i] :
      ( ( ( ( SV588 != SV135 ) )
        = $true )
      | ( ( in @ SV588 @ SV405 )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3135]) ).

thf(3220,plain,
    ! [SV135: $i,SV405: $i,SV367: $i,SV589: $i] :
      ( ( ( ( SV589 != SV367 ) )
        = $true )
      | ( ( in @ SV589 @ SV405 )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3136]) ).

thf(3221,plain,
    ! [SV136: $i,SV447: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV447 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK58_C @ SV447 @ SV136 ) @ ( sK59_SY494 @ SV447 @ SV136 ) ) @ SV136 )
        = $false )
      | ( ( SV136 = SV447 )
        = $true )
      | ( ( relation @ SV447 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3137]) ).

thf(3222,plain,
    ! [SV448: $i,SV136: $i,SV607: $i,SV590: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV590 @ SV607 ) @ SV136 )
          | ( in @ ( ordered_pair @ SV590 @ SV607 ) @ SV448 ) )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3138]) ).

thf(3223,plain,
    ! [SV136: $i,SV448: $i,SV608: $i,SV591: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV591 @ SV608 ) @ SV448 )
          | ( in @ ( ordered_pair @ SV591 @ SV608 ) @ SV136 ) )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3139]) ).

thf(3224,plain,
    ! [SV230: $i,SV523: $i,SV137: $i] :
      ( ( ( ~ ( in @ SV137 @ ( relation_dom @ SV523 ) ) )
        = $true )
      | ( ( ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) )
        = $true )
      | ( ( function @ SV523 )
        = $false )
      | ( ( relation @ SV523 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3140]) ).

thf(3225,plain,
    ! [SV230: $i,SV137: $i,SV565: $i] :
      ( ( ( function @ SV565 )
        = $false )
      | ( ( ~ ( relation @ SV565 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV565 @ SV230 ) ) )
          | ( in @ SV137 @ ( relation_dom @ SV565 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3141]) ).

thf(3226,plain,
    ! [SV230: $i,SV137: $i,SV566: $i] :
      ( ( ( function @ SV566 )
        = $false )
      | ( ( ~ ( relation @ SV566 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV566 @ SV230 ) ) )
          | ( in @ ( apply @ SV566 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3142]) ).

thf(3227,plain,
    ! [SV138: $i,SV537: $i,SV551: $i] :
      ( ( ( subset @ SV551 @ SV537 )
        = $false )
      | ( ( in @ SV537 @ ( sK41_B @ SV138 ) )
        = $false )
      | ( ( in @ SV551 @ ( sK41_B @ SV138 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3143]) ).

thf(3228,plain,
    ! [SV142: $i,SV376: $i,SV407: $i] :
      ( ( ( in @ ( sK39_D @ SV407 @ SV376 @ SV142 ) @ ( relation_rng @ SV407 ) )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3146]) ).

thf(3229,plain,
    ! [SV376: $i,SV407: $i,SV142: $i] :
      ( ( ( in @ ( ordered_pair @ SV142 @ ( sK39_D @ SV407 @ SV376 @ SV142 ) ) @ SV407 )
        = $true )
      | ( ( in @ SV142 @ ( relation_inverse_image @ SV407 @ SV376 ) )
        = $false )
      | ( ( relation @ SV407 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3147]) ).

thf(3230,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 ) )
        = $false )
      | ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[3148]) ).

thf(3231,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
        = $false )
      | ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[3148]) ).

thf(3232,plain,
    ! [SV510: $i,SV453: $i,SV592: $i] :
      ( ( ( ~ ( in @ SV592 @ SV453 ) )
        = $true )
      | ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV592 )
        = $true )
      | ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[3149]) ).

thf(3233,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK63_D @ SV593 @ SV511 @ SV454 ) @ SV454 )
              | ~ ~ ( in @ SV593 @ ( sK63_D @ SV593 @ SV511 @ SV454 ) ) ) )
        = $true )
      | ( ( in @ SV593 @ SV511 )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[3150]) ).

thf(3234,plain,
    ! [SV454: $i,SV511: $i,SV594: $i] :
      ( ( ( ~ ( in @ SV594 @ SV511 ) )
        = $true )
      | ( ( ! [SY1162: $i] :
              ( ~ ( in @ SY1162 @ SV454 )
              | ( in @ SV594 @ SY1162 ) ) )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[3151]) ).

thf(3235,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV144 )
        = $false )
      | ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3152]) ).

thf(3236,plain,
    ! [SV144: $i,SV378: $i,SV409: $i] :
      ( ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV378 )
        = $false )
      | ( ( in @ ( sK56_D @ SV409 @ SV378 @ SV144 ) @ SV409 )
        = $false )
      | ( ( SV409
          = ( set_union2 @ SV144 @ SV378 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3153]) ).

thf(3237,plain,
    ! [SV379: $i,SV410: $i,SV144: $i,SV595: $i] :
      ( ( ( ~ ( in @ SV595 @ SV144 ) )
        = $true )
      | ( ( in @ SV595 @ SV410 )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3155]) ).

thf(3238,plain,
    ! [SV144: $i,SV410: $i,SV379: $i,SV596: $i] :
      ( ( ( ~ ( in @ SV596 @ SV379 ) )
        = $true )
      | ( ( in @ SV596 @ SV410 )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3156]) ).

thf(3239,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( in @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ ( relation_dom @ SV412 ) )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3158]) ).

thf(3240,plain,
    ! [SV145: $i,SV381: $i,SV412: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK40_D @ SV412 @ SV381 @ SV145 ) @ SV145 ) @ SV412 )
        = $true )
      | ( ( in @ SV145 @ ( relation_image @ SV412 @ SV381 ) )
        = $false )
      | ( ( relation @ SV412 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3159]) ).

thf(3241,plain,
    ! [SV388: $i,SV149: $i,SV416: $i,SV597: $i] :
      ( ( ( ~ ( in @ SV597 @ SV416 ) )
        = $true )
      | ( ( in @ SV597 @ SV149 )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3162]) ).

thf(3242,plain,
    ! [SV149: $i,SV388: $i,SV416: $i,SV598: $i] :
      ( ( ( ~ ( in @ SV598 @ SV416 ) )
        = $true )
      | ( ( ~ ( in @ SV598 @ SV388 ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3163]) ).

thf(3243,plain,
    ! [SV323: $i,SV112: $i,SV391: $i,SV578: $i] :
      ( ( ( in @ SV578 @ SV391 )
        = $false )
      | ( ( in @ SV578 @ SV112 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3165]) ).

thf(3244,plain,
    ! [SV112: $i,SV323: $i,SV391: $i,SV579: $i] :
      ( ( ( in @ SV579 @ SV391 )
        = $false )
      | ( ( in @ SV579 @ SV323 )
        = $true )
      | ( ( SV391
          = ( set_intersection2 @ SV112 @ SV323 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3166]) ).

thf(3245,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3170]) ).

thf(3246,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
          | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3171]) ).

thf(3247,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
          | ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3172]) ).

thf(3248,plain,
    ! [SV464: $i,SV225: $i,SV599: $i,SV113: $i,SV609: $i] :
      ( ( ( ~ ( in @ SV609 @ SV113 )
          | ~ ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV225 )
          | ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV464 ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3173]) ).

thf(3249,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ~ ! [SY1096: $i,SY1097: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
                | ( in @ SY1097 @ SV113 ) ) )
        = $false )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3174]) ).

thf(3250,plain,
    ! [SV113: $i,SV225: $i,SV464: $i] :
      ( ( ( ~ ! [SY1098: $i,SY1099: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
                | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) )
        = $false )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3174]) ).

thf(3251,plain,
    ! [SV543: $i,SV116: $i,SV580: $i] :
      ( ( ( SV580
          = ( apply @ SV116 @ SV543 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV543 @ SV580 ) @ SV116 )
        = $true )
      | ( ( in @ SV543 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3177]) ).

thf(3252,plain,
    ! [SV116: $i,SV581: $i,SV544: $i] :
      ( ( ( in @ ( ordered_pair @ SV544 @ SV581 ) @ SV116 )
        = $false )
      | ( ( SV581
          = ( apply @ SV116 @ SV544 ) )
        = $true )
      | ( ( in @ SV544 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( function @ SV116 )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3178]) ).

thf(3253,plain,
    ! [SV393: $i,SV117: $i,SV547: $i,SV334: $i,SV557: $i] :
      ( ( ( in @ SV557 @ SV334 )
        = $false )
      | ( ( in @ SV547 @ SV117 )
        = $false )
      | ( ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
           != ( ordered_pair @ SV547 @ SV557 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3181]) ).

thf(3254,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( in @ ( sK54_SY491 @ SV393 @ SV334 @ SV117 ) @ SV117 )
        = $true )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[3182]) ).

thf(3255,plain,
    ! [SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( in @ ( sK55_SY493 @ SV393 @ SV334 @ SV117 ) @ SV334 )
        = $true )
      | ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[3183]) ).

thf(3256,plain,
    ! [SV394: $i,SV548: $i,SV335: $i,SV582: $i,SV117: $i,SV570: $i] :
      ( ( ( ~ ( in @ SV570 @ SV117 ) )
        = $true )
      | ( ( ~ ( in @ SV582 @ SV335 ) )
        = $true )
      | ( ( ( SV548
           != ( ordered_pair @ SV570 @ SV582 ) ) )
        = $true )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3184]) ).

thf(3257,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
              | ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) ) )
        = $true )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3185]) ).

thf(3258,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( SV549
          = ( ordered_pair @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) ) )
        = $true )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3186]) ).

thf(3259,plain,
    ! [SV340: $i,SV274: $i,SV571: $i,SV558: $i] :
      ( ( ( SV558 = SV571 )
        = $false )
      | ( ( ~ ( in @ SV558 @ SV274 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV558 @ SV571 ) @ SV340 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3188]) ).

thf(3260,plain,
    ! [SV274: $i,SV340: $i,SV610: $i,SV600: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV600 @ SV610 ) @ SV340 )
          | ( SV600 = SV610 ) )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3189]) ).

thf(3261,plain,
    ! [SV274: $i,SV340: $i,SV601: $i] :
      ( ( ( ! [SY1165: $i] :
              ~ ( in @ ( ordered_pair @ SV601 @ SY1165 ) @ SV340 ) )
        = $true )
      | ( ( in @ SV601 @ SV274 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3190]) ).

thf(3262,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ! [SY1135: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SY1135 ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ SY1135 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3191]) ).

thf(3263,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3192]) ).

thf(3264,plain,
    ! [SV517: $i,SV275: $i,SV120: $i] :
      ( ( ( ! [SY1136: $i,SY1137: $i] :
              ( ! [SY909: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY1136 @ SY909 ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ SY909 @ SY1137 ) @ SV275 ) )
              | ( in @ ( ordered_pair @ SY1136 @ SY1137 ) @ SV517 ) ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3193]) ).

thf(3265,plain,
    ! [SV120: $i,SV275: $i,SV517: $i] :
      ( ( ( ! [SY1139: $i,SY1140: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1139 @ SY1140 ) @ SV517 )
              | ~ ( ~ ( in @ ( ordered_pair @ SY1139 @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1140 @ SY1139 @ SV517 @ SV275 @ SV120 ) @ SY1140 ) @ SV275 ) ) ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3194]) ).

thf(3266,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3195]) ).

thf(3267,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
          | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3196]) ).

thf(3268,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
          | ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3197]) ).

thf(3269,plain,
    ! [SV474: $i,SV123: $i,SV611: $i,SV425: $i,SV602: $i] :
      ( ( ( ~ ( in @ SV602 @ SV425 )
          | ~ ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV123 )
          | ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV474 ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3198]) ).

thf(3270,plain,
    ! [SV123: $i,SV425: $i,SV474: $i] :
      ( ( ( ~ ! [SY1107: $i] :
                ( ! [SY1108: $i] :
                    ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
                | ( in @ SY1107 @ SV425 ) ) )
        = $false )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3199]) ).

thf(3271,plain,
    ! [SV425: $i,SV123: $i,SV474: $i] :
      ( ( ( ~ ! [SY1109: $i,SY1110: $i] :
                ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
                | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) )
        = $false )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3199]) ).

thf(3272,plain,
    ! [SV124: $i,SV427: $i,SV603: $i,SV583: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV583 @ SV603 ) @ SV427 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV603 @ SV583 ) @ SV124 )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3201]) ).

thf(3273,plain,
    ! [SV427: $i,SV124: $i,SV584: $i,SV604: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV604 @ SV584 ) @ SV124 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV584 @ SV604 ) @ SV427 )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3202]) ).

thf(3274,plain,
    ! [SV475: $i,SV428: $i,SV585: $i] :
      ( ( ( in @ SV585 @ SV428 )
        = $false )
      | ( ( ( apply @ SV475 @ SV585 )
          = SV585 )
        = $true )
      | ( ( SV475
          = ( identity_relation @ SV428 ) )
        = $false )
      | ( ( function @ SV475 )
        = $false )
      | ( ( relation @ SV475 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3204]) ).

thf(3275,plain,
    ! [SV125: $i,SV479: $i,SV432: $i,SV572: $i] :
      ( ( ( in @ SV572 @ SV432 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV572 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
        = $false )
      | ( ( ~ ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 ) )
        = $true )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3205]) ).

thf(3276,plain,
    ! [SV480: $i,SV433: $i,SV125: $i,SV573: $i,SV605: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV605 @ SV573 ) @ SV125 ) )
        = $true )
      | ( ( ~ ( in @ SV605 @ SV433 ) )
        = $true )
      | ( ( in @ SV573 @ SV480 )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3208]) ).

thf(3277,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV574 ) @ SV125 )
          | ~ ( in @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV433 ) )
        = $false )
      | ( ( in @ SV574 @ SV480 )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3209]) ).

thf(3278,plain,
    ! [SV131: $i,SV483: $i,SV442: $i,SV575: $i] :
      ( ( ( in @ SV575 @ SV442 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV575 ) @ SV131 )
        = $false )
      | ( ( ~ ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 ) )
        = $true )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3211]) ).

thf(3279,plain,
    ! [SV484: $i,SV443: $i,SV131: $i,SV606: $i,SV576: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV576 @ SV606 ) @ SV131 ) )
        = $true )
      | ( ( ~ ( in @ SV606 @ SV443 ) )
        = $true )
      | ( ( in @ SV576 @ SV484 )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3214]) ).

thf(3280,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV577 @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
          | ~ ( in @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) @ SV443 ) )
        = $false )
      | ( ( in @ SV577 @ SV484 )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3215]) ).

thf(3281,plain,
    ! [SV367: $i,SV405: $i,SV135: $i,SV588: $i] :
      ( ( ( SV588 = SV135 )
        = $false )
      | ( ( in @ SV588 @ SV405 )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3219]) ).

thf(3282,plain,
    ! [SV135: $i,SV405: $i,SV367: $i,SV589: $i] :
      ( ( ( SV589 = SV367 )
        = $false )
      | ( ( in @ SV589 @ SV405 )
        = $true )
      | ( ( SV405
          = ( unordered_pair @ SV135 @ SV367 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3220]) ).

thf(3283,plain,
    ! [SV448: $i,SV136: $i,SV607: $i,SV590: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV590 @ SV607 ) @ SV136 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV590 @ SV607 ) @ SV448 )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3222]) ).

thf(3284,plain,
    ! [SV136: $i,SV448: $i,SV608: $i,SV591: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV591 @ SV608 ) @ SV448 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV591 @ SV608 ) @ SV136 )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3223]) ).

thf(3285,plain,
    ! [SV230: $i,SV523: $i,SV137: $i] :
      ( ( ( in @ SV137 @ ( relation_dom @ SV523 ) )
        = $false )
      | ( ( ~ ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) )
        = $true )
      | ( ( function @ SV523 )
        = $false )
      | ( ( relation @ SV523 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3224]) ).

thf(3286,plain,
    ! [SV230: $i,SV137: $i,SV565: $i] :
      ( ( ( relation @ SV565 )
        = $false )
      | ( ( function @ SV565 )
        = $false )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV565 @ SV230 ) ) )
          | ( in @ SV137 @ ( relation_dom @ SV565 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3225]) ).

thf(3287,plain,
    ! [SV230: $i,SV137: $i,SV566: $i] :
      ( ( ( relation @ SV566 )
        = $false )
      | ( ( function @ SV566 )
        = $false )
      | ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV566 @ SV230 ) ) )
          | ( in @ ( apply @ SV566 @ SV137 ) @ ( relation_dom @ SV230 ) ) )
        = $true )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3226]) ).

thf(3288,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
        = $true )
      | ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[3230]) ).

thf(3289,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[3231]) ).

thf(3290,plain,
    ! [SV510: $i,SV453: $i,SV592: $i] :
      ( ( ( in @ SV592 @ SV453 )
        = $false )
      | ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV592 )
        = $true )
      | ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3232]) ).

thf(3291,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( ~ ( in @ ( sK63_D @ SV593 @ SV511 @ SV454 ) @ SV454 )
          | ~ ~ ( in @ SV593 @ ( sK63_D @ SV593 @ SV511 @ SV454 ) ) )
        = $false )
      | ( ( in @ SV593 @ SV511 )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3233]) ).

thf(3292,plain,
    ! [SV454: $i,SV511: $i,SV594: $i] :
      ( ( ( in @ SV594 @ SV511 )
        = $false )
      | ( ( ! [SY1162: $i] :
              ( ~ ( in @ SY1162 @ SV454 )
              | ( in @ SV594 @ SY1162 ) ) )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3234]) ).

thf(3293,plain,
    ! [SV379: $i,SV410: $i,SV144: $i,SV595: $i] :
      ( ( ( in @ SV595 @ SV144 )
        = $false )
      | ( ( in @ SV595 @ SV410 )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3237]) ).

thf(3294,plain,
    ! [SV144: $i,SV410: $i,SV379: $i,SV596: $i] :
      ( ( ( in @ SV596 @ SV379 )
        = $false )
      | ( ( in @ SV596 @ SV410 )
        = $true )
      | ( ( SV410
          = ( set_union2 @ SV144 @ SV379 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3238]) ).

thf(3295,plain,
    ! [SV388: $i,SV149: $i,SV416: $i,SV597: $i] :
      ( ( ( in @ SV597 @ SV416 )
        = $false )
      | ( ( in @ SV597 @ SV149 )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3241]) ).

thf(3296,plain,
    ! [SV149: $i,SV388: $i,SV416: $i,SV598: $i] :
      ( ( ( in @ SV598 @ SV416 )
        = $false )
      | ( ( ~ ( in @ SV598 @ SV388 ) )
        = $true )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3242]) ).

thf(3297,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
        = $false )
      | ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 ) )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3245]) ).

thf(3298,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3246]) ).

thf(3299,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 )
        = $true )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3247]) ).

thf(3300,plain,
    ! [SV464: $i,SV225: $i,SV599: $i,SV113: $i,SV609: $i] :
      ( ( ( ~ ( in @ SV609 @ SV113 )
          | ~ ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV225 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV464 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3248]) ).

thf(3301,plain,
    ! [SV225: $i,SV113: $i,SV464: $i] :
      ( ( ( ! [SY1096: $i,SY1097: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1096 @ SY1097 ) @ SV464 )
              | ( in @ SY1097 @ SV113 ) ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3249]) ).

thf(3302,plain,
    ! [SV113: $i,SV225: $i,SV464: $i] :
      ( ( ( ! [SY1098: $i,SY1099: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV464 )
              | ( in @ ( ordered_pair @ SY1098 @ SY1099 ) @ SV225 ) ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3250]) ).

thf(3303,plain,
    ! [SV557: $i,SV547: $i,SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
          = ( ordered_pair @ SV547 @ SV557 ) )
        = $false )
      | ( ( in @ SV547 @ SV117 )
        = $false )
      | ( ( in @ SV557 @ SV334 )
        = $false )
      | ( ( ~ ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3253]) ).

thf(3304,plain,
    ! [SV394: $i,SV548: $i,SV335: $i,SV582: $i,SV117: $i,SV570: $i] :
      ( ( ( in @ SV570 @ SV117 )
        = $false )
      | ( ( ~ ( in @ SV582 @ SV335 ) )
        = $true )
      | ( ( ( SV548
           != ( ordered_pair @ SV570 @ SV582 ) ) )
        = $true )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3256]) ).

thf(3305,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
          | ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
        = $false )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3257]) ).

thf(3306,plain,
    ! [SV340: $i,SV571: $i,SV274: $i,SV558: $i] :
      ( ( ( in @ SV558 @ SV274 )
        = $false )
      | ( ( SV558 = SV571 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV558 @ SV571 ) @ SV340 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3259]) ).

thf(3307,plain,
    ! [SV274: $i,SV340: $i,SV610: $i,SV600: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV600 @ SV610 ) @ SV340 ) )
        = $true )
      | ( ( SV600 = SV610 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3260]) ).

thf(3308,plain,
    ! [SV274: $i,SV340: $i,SV612: $i,SV601: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV601 @ SV612 ) @ SV340 ) )
        = $true )
      | ( ( in @ SV601 @ SV274 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3261]) ).

thf(3309,plain,
    ! [SV613: $i,SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SV613 ) @ SV120 )
          | ~ ( in @ ( ordered_pair @ SV613 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3262]) ).

thf(3310,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
          | ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3263]) ).

thf(3311,plain,
    ! [SV517: $i,SV275: $i,SV120: $i,SV614: $i] :
      ( ( ( ! [SY1167: $i] :
              ( ! [SY1168: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV614 @ SY1168 ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ SY1168 @ SY1167 ) @ SV275 ) )
              | ( in @ ( ordered_pair @ SV614 @ SY1167 ) @ SV517 ) ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3264]) ).

thf(3312,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV615: $i] :
      ( ( ( ! [SY1169: $i] :
              ( ~ ( in @ ( ordered_pair @ SV615 @ SY1169 ) @ SV517 )
              | ~ ( ~ ( in @ ( ordered_pair @ SV615 @ ( sK12_F @ SY1169 @ SV615 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
                  | ~ ( in @ ( ordered_pair @ ( sK12_F @ SY1169 @ SV615 @ SV517 @ SV275 @ SV120 ) @ SY1169 ) @ SV275 ) ) ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3265]) ).

thf(3313,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
        = $false )
      | ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 ) )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3266]) ).

thf(3314,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3267]) ).

thf(3315,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 )
        = $true )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3268]) ).

thf(3316,plain,
    ! [SV474: $i,SV123: $i,SV611: $i,SV425: $i,SV602: $i] :
      ( ( ( ~ ( in @ SV602 @ SV425 )
          | ~ ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV123 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV474 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3269]) ).

thf(3317,plain,
    ! [SV123: $i,SV425: $i,SV474: $i] :
      ( ( ( ! [SY1107: $i] :
              ( ! [SY1108: $i] :
                  ~ ( in @ ( ordered_pair @ SY1107 @ SY1108 ) @ SV474 )
              | ( in @ SY1107 @ SV425 ) ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3270]) ).

thf(3318,plain,
    ! [SV425: $i,SV123: $i,SV474: $i] :
      ( ( ( ! [SY1109: $i,SY1110: $i] :
              ( ~ ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV474 )
              | ( in @ ( ordered_pair @ SY1109 @ SY1110 ) @ SV123 ) ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3271]) ).

thf(3319,plain,
    ! [SV124: $i,SV427: $i,SV603: $i,SV583: $i] :
      ( ( ( in @ ( ordered_pair @ SV583 @ SV603 ) @ SV427 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV603 @ SV583 ) @ SV124 )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3272]) ).

thf(3320,plain,
    ! [SV427: $i,SV124: $i,SV584: $i,SV604: $i] :
      ( ( ( in @ ( ordered_pair @ SV604 @ SV584 ) @ SV124 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV584 @ SV604 ) @ SV427 )
        = $true )
      | ( ( SV427
          = ( relation_inverse @ SV124 ) )
        = $false )
      | ( ( relation @ SV427 )
        = $false )
      | ( ( relation @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3273]) ).

thf(3321,plain,
    ! [SV572: $i,SV125: $i,SV432: $i,SV479: $i] :
      ( ( ( in @ ( sK30_D @ SV479 @ SV432 @ SV125 ) @ SV479 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV572 @ ( sK30_D @ SV479 @ SV432 @ SV125 ) ) @ SV125 )
        = $false )
      | ( ( in @ SV572 @ SV432 )
        = $false )
      | ( ( SV479
          = ( relation_image @ SV125 @ SV432 ) )
        = $true )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3275]) ).

thf(3322,plain,
    ! [SV480: $i,SV433: $i,SV125: $i,SV573: $i,SV605: $i] :
      ( ( ( in @ ( ordered_pair @ SV605 @ SV573 ) @ SV125 )
        = $false )
      | ( ( ~ ( in @ SV605 @ SV433 ) )
        = $true )
      | ( ( in @ SV573 @ SV480 )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3276]) ).

thf(3323,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV574 ) @ SV125 ) )
        = $false )
      | ( ( in @ SV574 @ SV480 )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3277]) ).

thf(3324,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( ~ ( in @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV433 ) )
        = $false )
      | ( ( in @ SV574 @ SV480 )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3277]) ).

thf(3325,plain,
    ! [SV575: $i,SV131: $i,SV442: $i,SV483: $i] :
      ( ( ( in @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV483 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_D @ SV483 @ SV442 @ SV131 ) @ SV575 ) @ SV131 )
        = $false )
      | ( ( in @ SV575 @ SV442 )
        = $false )
      | ( ( SV483
          = ( relation_inverse_image @ SV131 @ SV442 ) )
        = $true )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3278]) ).

thf(3326,plain,
    ! [SV484: $i,SV443: $i,SV131: $i,SV606: $i,SV576: $i] :
      ( ( ( in @ ( ordered_pair @ SV576 @ SV606 ) @ SV131 )
        = $false )
      | ( ( ~ ( in @ SV606 @ SV443 ) )
        = $true )
      | ( ( in @ SV576 @ SV484 )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3279]) ).

thf(3327,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV577 @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) ) @ SV131 ) )
        = $false )
      | ( ( in @ SV577 @ SV484 )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3280]) ).

thf(3328,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( ~ ( in @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) @ SV443 ) )
        = $false )
      | ( ( in @ SV577 @ SV484 )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3280]) ).

thf(3329,plain,
    ! [SV448: $i,SV136: $i,SV607: $i,SV590: $i] :
      ( ( ( in @ ( ordered_pair @ SV590 @ SV607 ) @ SV136 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV590 @ SV607 ) @ SV448 )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3283]) ).

thf(3330,plain,
    ! [SV136: $i,SV448: $i,SV608: $i,SV591: $i] :
      ( ( ( in @ ( ordered_pair @ SV591 @ SV608 ) @ SV448 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV591 @ SV608 ) @ SV136 )
        = $true )
      | ( ( SV136 = SV448 )
        = $false )
      | ( ( relation @ SV448 )
        = $false )
      | ( ( relation @ SV136 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3284]) ).

thf(3331,plain,
    ! [SV230: $i,SV137: $i,SV523: $i] :
      ( ( ( in @ ( apply @ SV523 @ SV137 ) @ ( relation_dom @ SV230 ) )
        = $false )
      | ( ( in @ SV137 @ ( relation_dom @ SV523 ) )
        = $false )
      | ( ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV523 @ SV230 ) ) )
        = $true )
      | ( ( function @ SV523 )
        = $false )
      | ( ( relation @ SV523 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3285]) ).

thf(3332,plain,
    ! [SV230: $i,SV565: $i,SV137: $i] :
      ( ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV565 @ SV230 ) ) ) )
        = $true )
      | ( ( in @ SV137 @ ( relation_dom @ SV565 ) )
        = $true )
      | ( ( function @ SV565 )
        = $false )
      | ( ( relation @ SV565 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3286]) ).

thf(3333,plain,
    ! [SV230: $i,SV566: $i,SV137: $i] :
      ( ( ( ~ ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV566 @ SV230 ) ) ) )
        = $true )
      | ( ( in @ ( apply @ SV566 @ SV137 ) @ ( relation_dom @ SV230 ) )
        = $true )
      | ( ( function @ SV566 )
        = $false )
      | ( ( relation @ SV566 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3287]) ).

thf(3334,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 )
        = $false )
      | ( ( in @ ( sK65_SY495 @ SV510 @ SV453 ) @ SV453 )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3288]) ).

thf(3335,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) )
        = $false )
      | ( ( ~ ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 ) )
        = $true )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3289]) ).

thf(3336,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( ~ ( in @ ( sK63_D @ SV593 @ SV511 @ SV454 ) @ SV454 ) )
        = $false )
      | ( ( in @ SV593 @ SV511 )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[3291]) ).

thf(3337,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( ~ ~ ( in @ SV593 @ ( sK63_D @ SV593 @ SV511 @ SV454 ) ) )
        = $false )
      | ( ( in @ SV593 @ SV511 )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[3291]) ).

thf(3338,plain,
    ! [SV511: $i,SV594: $i,SV454: $i,SV616: $i] :
      ( ( ( ~ ( in @ SV616 @ SV454 )
          | ( in @ SV594 @ SV616 ) )
        = $true )
      | ( ( in @ SV594 @ SV511 )
        = $false )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[3292]) ).

thf(3339,plain,
    ! [SV149: $i,SV416: $i,SV388: $i,SV598: $i] :
      ( ( ( in @ SV598 @ SV388 )
        = $false )
      | ( ( in @ SV598 @ SV416 )
        = $false )
      | ( ( SV416
          = ( set_difference @ SV149 @ SV388 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3296]) ).

thf(3340,plain,
    ! [SV113: $i,SV225: $i,SV463: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV463 )
        = $false )
      | ( ( in @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) @ SV113 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK32_D @ SV463 @ SV225 @ SV113 ) @ ( sK33_SY472 @ SV463 @ SV225 @ SV113 ) ) @ SV225 )
        = $false )
      | ( ( SV463
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $true )
      | ( ( relation @ SV463 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3297]) ).

thf(3341,plain,
    ! [SV464: $i,SV225: $i,SV599: $i,SV113: $i,SV609: $i] :
      ( ( ( ~ ( in @ SV609 @ SV113 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV225 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV464 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3300]) ).

thf(3342,plain,
    ! [SV225: $i,SV113: $i,SV464: $i,SV617: $i] :
      ( ( ( ! [SY1170: $i] :
              ( ~ ( in @ ( ordered_pair @ SV617 @ SY1170 ) @ SV464 )
              | ( in @ SY1170 @ SV113 ) ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3301]) ).

thf(3343,plain,
    ! [SV113: $i,SV225: $i,SV464: $i,SV618: $i] :
      ( ( ( ! [SY1171: $i] :
              ( ~ ( in @ ( ordered_pair @ SV618 @ SY1171 ) @ SV464 )
              | ( in @ ( ordered_pair @ SV618 @ SY1171 ) @ SV225 ) ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3302]) ).

thf(3344,plain,
    ! [SV547: $i,SV557: $i,SV117: $i,SV334: $i,SV393: $i] :
      ( ( ( in @ ( sK53_D @ SV393 @ SV334 @ SV117 ) @ SV393 )
        = $false )
      | ( ( in @ SV557 @ SV334 )
        = $false )
      | ( ( in @ SV547 @ SV117 )
        = $false )
      | ( ( ( sK53_D @ SV393 @ SV334 @ SV117 )
          = ( ordered_pair @ SV547 @ SV557 ) )
        = $false )
      | ( ( SV393
          = ( cartesian_product2 @ SV117 @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3303]) ).

thf(3345,plain,
    ! [SV394: $i,SV548: $i,SV117: $i,SV570: $i,SV335: $i,SV582: $i] :
      ( ( ( in @ SV582 @ SV335 )
        = $false )
      | ( ( in @ SV570 @ SV117 )
        = $false )
      | ( ( ( SV548
           != ( ordered_pair @ SV570 @ SV582 ) ) )
        = $true )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3304]) ).

thf(3346,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 ) )
        = $false )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3305]) ).

thf(3347,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( ~ ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 ) )
        = $false )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3305]) ).

thf(3348,plain,
    ! [SV274: $i,SV340: $i,SV610: $i,SV600: $i] :
      ( ( ( in @ ( ordered_pair @ SV600 @ SV610 ) @ SV340 )
        = $false )
      | ( ( SV600 = SV610 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3307]) ).

thf(3349,plain,
    ! [SV274: $i,SV340: $i,SV612: $i,SV601: $i] :
      ( ( ( in @ ( ordered_pair @ SV601 @ SV612 ) @ SV340 )
        = $false )
      | ( ( in @ SV601 @ SV274 )
        = $true )
      | ( ( SV340
          = ( identity_relation @ SV274 ) )
        = $false )
      | ( ( relation @ SV340 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3308]) ).

thf(3350,plain,
    ! [SV613: $i,SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SV613 ) @ SV120 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV613 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3309]) ).

thf(3351,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3310]) ).

thf(3352,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3310]) ).

thf(3353,plain,
    ! [SV517: $i,SV275: $i,SV619: $i,SV120: $i,SV614: $i] :
      ( ( ( ! [SY1172: $i] :
              ( ~ ( in @ ( ordered_pair @ SV614 @ SY1172 ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ SY1172 @ SV619 ) @ SV275 ) )
          | ( in @ ( ordered_pair @ SV614 @ SV619 ) @ SV517 ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3311]) ).

thf(3354,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV620: $i,SV615: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 )
          | ~ ( ~ ( in @ ( ordered_pair @ SV615 @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) @ SV620 ) @ SV275 ) ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3312]) ).

thf(3355,plain,
    ! [SV123: $i,SV424: $i,SV473: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV473 )
        = $false )
      | ( ( in @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ SV424 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK34_D @ SV473 @ SV424 @ SV123 ) @ ( sK35_SY473 @ SV473 @ SV424 @ SV123 ) ) @ SV123 )
        = $false )
      | ( ( SV473
          = ( relation_dom_restriction @ SV123 @ SV424 ) )
        = $true )
      | ( ( relation @ SV473 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3313]) ).

thf(3356,plain,
    ! [SV474: $i,SV123: $i,SV611: $i,SV425: $i,SV602: $i] :
      ( ( ( ~ ( in @ SV602 @ SV425 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV123 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV474 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3316]) ).

thf(3357,plain,
    ! [SV123: $i,SV425: $i,SV474: $i,SV621: $i] :
      ( ( ( ! [SY1173: $i] :
              ~ ( in @ ( ordered_pair @ SV621 @ SY1173 ) @ SV474 )
          | ( in @ SV621 @ SV425 ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3317]) ).

thf(3358,plain,
    ! [SV425: $i,SV123: $i,SV474: $i,SV622: $i] :
      ( ( ( ! [SY1174: $i] :
              ( ~ ( in @ ( ordered_pair @ SV622 @ SY1174 ) @ SV474 )
              | ( in @ ( ordered_pair @ SV622 @ SY1174 ) @ SV123 ) ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3318]) ).

thf(3359,plain,
    ! [SV480: $i,SV125: $i,SV573: $i,SV433: $i,SV605: $i] :
      ( ( ( in @ SV605 @ SV433 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV605 @ SV573 ) @ SV125 )
        = $false )
      | ( ( in @ SV573 @ SV480 )
        = $true )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3322]) ).

thf(3360,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV574 ) @ SV125 )
        = $true )
      | ( ( in @ SV574 @ SV480 )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3323]) ).

thf(3361,plain,
    ! [SV125: $i,SV433: $i,SV480: $i,SV574: $i] :
      ( ( ( in @ ( sK29_E @ SV574 @ SV480 @ SV433 @ SV125 ) @ SV433 )
        = $true )
      | ( ( in @ SV574 @ SV480 )
        = $false )
      | ( ( SV480
          = ( relation_image @ SV125 @ SV433 ) )
        = $false )
      | ( ( relation @ SV125 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3324]) ).

thf(3362,plain,
    ! [SV484: $i,SV131: $i,SV576: $i,SV443: $i,SV606: $i] :
      ( ( ( in @ SV606 @ SV443 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV576 @ SV606 ) @ SV131 )
        = $false )
      | ( ( in @ SV576 @ SV484 )
        = $true )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3326]) ).

thf(3363,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( in @ ( ordered_pair @ SV577 @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) ) @ SV131 )
        = $true )
      | ( ( in @ SV577 @ SV484 )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3327]) ).

thf(3364,plain,
    ! [SV131: $i,SV443: $i,SV484: $i,SV577: $i] :
      ( ( ( in @ ( sK26_E @ SV577 @ SV484 @ SV443 @ SV131 ) @ SV443 )
        = $true )
      | ( ( in @ SV577 @ SV484 )
        = $false )
      | ( ( SV484
          = ( relation_inverse_image @ SV131 @ SV443 ) )
        = $false )
      | ( ( relation @ SV131 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3328]) ).

thf(3365,plain,
    ! [SV230: $i,SV565: $i,SV137: $i] :
      ( ( ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV565 @ SV230 ) ) )
        = $false )
      | ( ( in @ SV137 @ ( relation_dom @ SV565 ) )
        = $true )
      | ( ( function @ SV565 )
        = $false )
      | ( ( relation @ SV565 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3332]) ).

thf(3366,plain,
    ! [SV230: $i,SV566: $i,SV137: $i] :
      ( ( ( in @ SV137 @ ( relation_dom @ ( relation_composition @ SV566 @ SV230 ) ) )
        = $false )
      | ( ( in @ ( apply @ SV566 @ SV137 ) @ ( relation_dom @ SV230 ) )
        = $true )
      | ( ( function @ SV566 )
        = $false )
      | ( ( relation @ SV566 )
        = $false )
      | ( ( function @ SV230 )
        = $false )
      | ( ( relation @ SV230 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3333]) ).

thf(3367,plain,
    ! [SV453: $i,SV510: $i] :
      ( ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ SV510 )
        = $false )
      | ( ( in @ ( sK64_C @ SV510 @ SV453 ) @ ( sK65_SY495 @ SV510 @ SV453 ) )
        = $false )
      | ( ( SV510
          = ( set_meet @ SV453 ) )
        = $true )
      | ( ( SV453 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3335]) ).

thf(3368,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( in @ ( sK63_D @ SV593 @ SV511 @ SV454 ) @ SV454 )
        = $true )
      | ( ( in @ SV593 @ SV511 )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[3336]) ).

thf(3369,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( ~ ( in @ SV593 @ ( sK63_D @ SV593 @ SV511 @ SV454 ) ) )
        = $true )
      | ( ( in @ SV593 @ SV511 )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[3337]) ).

thf(3370,plain,
    ! [SV511: $i,SV594: $i,SV454: $i,SV616: $i] :
      ( ( ( ~ ( in @ SV616 @ SV454 ) )
        = $true )
      | ( ( in @ SV594 @ SV616 )
        = $true )
      | ( ( in @ SV594 @ SV511 )
        = $false )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[3338]) ).

thf(3371,plain,
    ! [SV464: $i,SV225: $i,SV599: $i,SV113: $i,SV609: $i] :
      ( ( ( in @ SV609 @ SV113 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV225 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV464 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3341]) ).

thf(3372,plain,
    ! [SV225: $i,SV113: $i,SV464: $i,SV623: $i,SV617: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV617 @ SV623 ) @ SV464 )
          | ( in @ SV623 @ SV113 ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3342]) ).

thf(3373,plain,
    ! [SV113: $i,SV225: $i,SV464: $i,SV624: $i,SV618: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV618 @ SV624 ) @ SV464 )
          | ( in @ ( ordered_pair @ SV618 @ SV624 ) @ SV225 ) )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3343]) ).

thf(3374,plain,
    ! [SV394: $i,SV335: $i,SV117: $i,SV582: $i,SV570: $i,SV548: $i] :
      ( ( ( SV548
          = ( ordered_pair @ SV570 @ SV582 ) )
        = $false )
      | ( ( in @ SV570 @ SV117 )
        = $false )
      | ( ( in @ SV582 @ SV335 )
        = $false )
      | ( ( in @ SV548 @ SV394 )
        = $true )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3345]) ).

thf(3375,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( in @ ( sK51_E @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV117 )
        = $true )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3346]) ).

thf(3376,plain,
    ! [SV117: $i,SV335: $i,SV394: $i,SV549: $i] :
      ( ( ( in @ ( sK52_SY488 @ SV549 @ SV394 @ SV335 @ SV117 ) @ SV335 )
        = $true )
      | ( ( in @ SV549 @ SV394 )
        = $false )
      | ( ( SV394
          = ( cartesian_product2 @ SV117 @ SV335 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3347]) ).

thf(3377,plain,
    ! [SV613: $i,SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SV613 ) @ SV120 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV613 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3350]) ).

thf(3378,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) ) @ SV120 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3351]) ).

thf(3379,plain,
    ! [SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK15_SY461 @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3352]) ).

thf(3380,plain,
    ! [SV517: $i,SV275: $i,SV619: $i,SV120: $i,SV614: $i] :
      ( ( ( ! [SY1172: $i] :
              ( ~ ( in @ ( ordered_pair @ SV614 @ SY1172 ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ SY1172 @ SV619 ) @ SV275 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV614 @ SV619 ) @ SV517 )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3353]) ).

thf(3381,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV620: $i,SV615: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV615 @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) @ SV620 ) @ SV275 ) ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3354]) ).

thf(3382,plain,
    ! [SV474: $i,SV123: $i,SV611: $i,SV425: $i,SV602: $i] :
      ( ( ( in @ SV602 @ SV425 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV123 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV474 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3356]) ).

thf(3383,plain,
    ! [SV123: $i,SV425: $i,SV474: $i,SV621: $i] :
      ( ( ( ! [SY1173: $i] :
              ~ ( in @ ( ordered_pair @ SV621 @ SY1173 ) @ SV474 ) )
        = $true )
      | ( ( in @ SV621 @ SV425 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3357]) ).

thf(3384,plain,
    ! [SV425: $i,SV123: $i,SV474: $i,SV625: $i,SV622: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV622 @ SV625 ) @ SV474 )
          | ( in @ ( ordered_pair @ SV622 @ SV625 ) @ SV123 ) )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3358]) ).

thf(3385,plain,
    ! [SV454: $i,SV511: $i,SV593: $i] :
      ( ( ( in @ SV593 @ ( sK63_D @ SV593 @ SV511 @ SV454 ) )
        = $false )
      | ( ( in @ SV593 @ SV511 )
        = $true )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3369]) ).

thf(3386,plain,
    ! [SV511: $i,SV594: $i,SV454: $i,SV616: $i] :
      ( ( ( in @ SV616 @ SV454 )
        = $false )
      | ( ( in @ SV594 @ SV616 )
        = $true )
      | ( ( in @ SV594 @ SV511 )
        = $false )
      | ( ( SV511
          = ( set_meet @ SV454 ) )
        = $false )
      | ( ( SV454 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[3370]) ).

thf(3387,plain,
    ! [SV464: $i,SV113: $i,SV225: $i,SV609: $i,SV599: $i] :
      ( ( ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV225 )
        = $false )
      | ( ( in @ SV609 @ SV113 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV599 @ SV609 ) @ SV464 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3371]) ).

thf(3388,plain,
    ! [SV225: $i,SV113: $i,SV464: $i,SV623: $i,SV617: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV617 @ SV623 ) @ SV464 ) )
        = $true )
      | ( ( in @ SV623 @ SV113 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3372]) ).

thf(3389,plain,
    ! [SV113: $i,SV225: $i,SV464: $i,SV624: $i,SV618: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV618 @ SV624 ) @ SV464 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV618 @ SV624 ) @ SV225 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3373]) ).

thf(3390,plain,
    ! [SV120: $i,SV275: $i,SV516: $i,SV613: $i] :
      ( ( ( in @ ( ordered_pair @ SV613 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SV613 ) @ SV120 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 ) )
        = $true )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3377]) ).

thf(3391,plain,
    ! [SV517: $i,SV275: $i,SV619: $i,SV120: $i,SV626: $i,SV614: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV614 @ SV626 ) @ SV120 )
          | ~ ( in @ ( ordered_pair @ SV626 @ SV619 ) @ SV275 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV614 @ SV619 ) @ SV517 )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3380]) ).

thf(3392,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV620: $i,SV615: $i] :
      ( ( ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV615 @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
              | ~ ( in @ ( ordered_pair @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) @ SV620 ) @ SV275 ) ) )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3381]) ).

thf(3393,plain,
    ! [SV474: $i,SV425: $i,SV123: $i,SV611: $i,SV602: $i] :
      ( ( ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV123 )
        = $false )
      | ( ( in @ SV602 @ SV425 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV602 @ SV611 ) @ SV474 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3382]) ).

thf(3394,plain,
    ! [SV123: $i,SV425: $i,SV474: $i,SV627: $i,SV621: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV621 @ SV627 ) @ SV474 ) )
        = $true )
      | ( ( in @ SV621 @ SV425 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[3383]) ).

thf(3395,plain,
    ! [SV425: $i,SV123: $i,SV474: $i,SV625: $i,SV622: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV622 @ SV625 ) @ SV474 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV622 @ SV625 ) @ SV123 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3384]) ).

thf(3396,plain,
    ! [SV225: $i,SV113: $i,SV464: $i,SV623: $i,SV617: $i] :
      ( ( ( in @ ( ordered_pair @ SV617 @ SV623 ) @ SV464 )
        = $false )
      | ( ( in @ SV623 @ SV113 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3388]) ).

thf(3397,plain,
    ! [SV113: $i,SV225: $i,SV464: $i,SV624: $i,SV618: $i] :
      ( ( ( in @ ( ordered_pair @ SV618 @ SV624 ) @ SV464 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV618 @ SV624 ) @ SV225 )
        = $true )
      | ( ( SV464
          = ( relation_rng_restriction @ SV113 @ SV225 ) )
        = $false )
      | ( ( relation @ SV464 )
        = $false )
      | ( ( relation @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3389]) ).

thf(3398,plain,
    ! [SV613: $i,SV120: $i,SV275: $i,SV516: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV516 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK13_D @ SV516 @ SV275 @ SV120 ) @ SV613 ) @ SV120 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV613 @ ( sK14_SY457 @ SV516 @ SV275 @ SV120 ) ) @ SV275 )
        = $false )
      | ( ( SV516
          = ( relation_composition @ SV120 @ SV275 ) )
        = $true )
      | ( ( relation @ SV516 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3390]) ).

thf(3399,plain,
    ! [SV517: $i,SV275: $i,SV619: $i,SV120: $i,SV626: $i,SV614: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV614 @ SV626 ) @ SV120 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV626 @ SV619 ) @ SV275 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV614 @ SV619 ) @ SV517 )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[3391]) ).

thf(3400,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV620: $i,SV615: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV615 @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
          | ~ ( in @ ( ordered_pair @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) @ SV620 ) @ SV275 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3392]) ).

thf(3401,plain,
    ! [SV123: $i,SV425: $i,SV474: $i,SV627: $i,SV621: $i] :
      ( ( ( in @ ( ordered_pair @ SV621 @ SV627 ) @ SV474 )
        = $false )
      | ( ( in @ SV621 @ SV425 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3394]) ).

thf(3402,plain,
    ! [SV425: $i,SV123: $i,SV474: $i,SV625: $i,SV622: $i] :
      ( ( ( in @ ( ordered_pair @ SV622 @ SV625 ) @ SV474 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV622 @ SV625 ) @ SV123 )
        = $true )
      | ( ( SV474
          = ( relation_dom_restriction @ SV123 @ SV425 ) )
        = $false )
      | ( ( relation @ SV474 )
        = $false )
      | ( ( relation @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3395]) ).

thf(3403,plain,
    ! [SV517: $i,SV275: $i,SV619: $i,SV120: $i,SV626: $i,SV614: $i] :
      ( ( ( in @ ( ordered_pair @ SV614 @ SV626 ) @ SV120 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV626 @ SV619 ) @ SV275 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV614 @ SV619 ) @ SV517 )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3399]) ).

thf(3404,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV620: $i,SV615: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV615 @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) ) @ SV120 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3400]) ).

thf(3405,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV615: $i,SV620: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) @ SV620 ) @ SV275 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[3400]) ).

thf(3406,plain,
    ! [SV517: $i,SV120: $i,SV614: $i,SV275: $i,SV619: $i,SV626: $i] :
      ( ( ( in @ ( ordered_pair @ SV626 @ SV619 ) @ SV275 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV614 @ SV626 ) @ SV120 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV614 @ SV619 ) @ SV517 )
        = $true )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[3403]) ).

thf(3407,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV620: $i,SV615: $i] :
      ( ( ( in @ ( ordered_pair @ SV615 @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) ) @ SV120 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3404]) ).

thf(3408,plain,
    ! [SV120: $i,SV275: $i,SV517: $i,SV615: $i,SV620: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK12_F @ SV620 @ SV615 @ SV517 @ SV275 @ SV120 ) @ SV620 ) @ SV275 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV615 @ SV620 ) @ SV517 )
        = $false )
      | ( ( SV517
          = ( relation_composition @ SV120 @ SV275 ) )
        = $false )
      | ( ( relation @ SV517 )
        = $false )
      | ( ( relation @ SV275 )
        = $false )
      | ( ( relation @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[3405]) ).

thf(3409,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[656,3408,3407,3406,3402,3401,3398,3397,3396,3393,3387,3386,3385,3379,3378,3376,3375,3374,3368,3367,3366,3365,3364,3363,3362,3361,3360,3359,3355,3349,3348,3344,3340,3339,3334,3331,3330,3329,3325,3321,3320,3319,3315,3314,3306,3299,3298,3295,3294,3293,3290,3282,3281,3274,3258,3255,3254,3252,3251,3244,3243,3240,3239,3236,3235,3229,3228,3227,3221,3218,3217,3216,3213,3212,3210,3207,3206,3203,3200,3187,3180,3179,3176,3175,3169,3168,3167,3164,3161,3160,3157,3154,3145,3144,3134,3131,3129,3123,3121,3113,3099,3098,3096,3095,3077,3073,3068,3067,3052,3045,3028,3027,3022,3016,3000,2997,2978,2977,2969,2957,2954,2953,2950,2945,2944,2931,2930,2920,2904,2903,2882,2880,2879,2873,2872,2864,2863,2852,2849,2848,2847,2846,2837,2822,2817,2813,2806,2804,2803,2785,2784,2783,2760,2759,2758,2731,2730,2723,2722,2697,2687,2686,2685,2684,2642,2639,2622,2621,2620,2619,2609,2597,2593,2591,2577,2576,2560,2556,2555,2552,2551,2522,2521,2520,2515,2492,2491,2490,2487,2468,2467,2441,2437,2418,2383,2382,2378,2377,2367,2362,2361,2353,2351,2350,2340,2322,2305,2300,2261,2260,2253,2250,2249,2230,2229,2227,2226,2223,2222,2210,2162,2161,2158,2146,2145,2134,2133,2129,2128,2127,2126,2125,2124,2106,2105,2077,2076,2075,2074,2067,2066,2065,2062,2061,2060,2057,2056,2040,2039,2031,2030,2023,1990,1988,1987,1985,1984,1909,1906,1905,1903,1897,1895,1894,1885,1845,1752,1735,1734,1733,1728,1727,1724,1716,1715,1705,1703,1702,1700,1693,1673,1672,1636,1635,1601,1600,1567,1565,1564,1563,1562,1558,1557,1554,1553,1552,1550,1549,1547,1546,1544,1543,1540,1539,1536,1530,1526,1518,1517,1516,1515,1513,1512,1511,1510,1504,1502,1501,1500,1497,1490,1450,1449,1429,1426,1425,1392,1391,1388,1387,1368,1367,1358,1351,1345,1342,1333,1331,1329,1328,1309,1303,1297,1277,1138,1135,1123,1121,1120,1119,1110,1103,1096,1094,1093,1084,1069,977,973,972,971,970,968,964,960,959,947,937,927,919,901,873,784,766,744]) ).

thf(3410,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[3409]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SEU217+2 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.34  % Computer : n026.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jun 19 00:15:40 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.39  ......
% 0.20/0.45  
% 0.20/0.45   No.of.Axioms: 221
% 0.20/0.45  
% 0.20/0.45   Length.of.Defs: 0
% 0.20/0.45  
% 0.20/0.45   Contains.Choice.Funs: false
% 0.20/0.50  ..............
% 0.20/0.57  (rf:2,axioms:194,ps:3,u:5,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:223,loop_count:0,foatp_calls:0,translation:fof_full)...................................................................................................................................................................................................................................................................
% 13.36/13.55  
% 13.36/13.55  ********************************
% 13.36/13.55  *   All subproblems solved!    *
% 13.36/13.55  ********************************
% 13.36/13.55  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:2,axioms:195,ps:3,u:5,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:73,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:3409,loop_count:0,foatp_calls:1,translation:fof_full)
% 16.63/16.80  
% 16.63/16.80  %**** Beginning of derivation protocol ****
% 16.63/16.80  % SZS output start CNFRefutation
% See solution above
% 16.63/16.82  
% 16.63/16.82  %**** End of derivation protocol ****
% 16.63/16.82  %**** no. of clauses in derivation: 3383 ****
% 16.63/16.82  %**** clause counter: 3409 ****
% 16.63/16.82  
% 16.63/16.82  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:2,axioms:195,ps:3,u:5,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:73,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:3409,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------