TSTP Solution File: SEU196+2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU196+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 : n017.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 12:08:00 EDT 2022

% Result   : Theorem 14.69s 14.88s
% Output   : CNFRefutation 16.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :  259
% Syntax   : Number of formulae    : 2800 (1327 unt;  92 typ;   0 def)
%            Number of atoms       : 20514 (7210 equ;   0 cnn)
%            Maximal formula atoms :   11 (   7 avg)
%            Number of connectives : 46359 (7546   ~;7327   |; 446   &;30669   @)
%                                         ( 118 <=>; 253  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  173 ( 173   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   95 (  92 usr;   9 con; 0-5 aty)
%            Number of variables   : 8334 (   0   ^8300   !;  34   ?;8334   :)

% Comments : 
%------------------------------------------------------------------------------
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_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_field,type,
    relation_field: $i > $i ).

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

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

thf(tp_sK10_D,type,
    sK10_D: $i > $i > $i > $i ).

thf(tp_sK11_SY387,type,
    sK11_SY387: $i > $i > $i > $i ).

thf(tp_sK12_SY391,type,
    sK12_SY391: $i > $i > $i > $i ).

thf(tp_sK13_C,type,
    sK13_C: $i > $i > $i ).

thf(tp_sK14_SY392,type,
    sK14_SY392: $i > $i > $i ).

thf(tp_sK15_D,type,
    sK15_D: $i > $i > $i > $i ).

thf(tp_sK16_D,type,
    sK16_D: $i > $i > $i > $i ).

thf(tp_sK17_C,type,
    sK17_C: $i > $i > $i ).

thf(tp_sK18_SY394,type,
    sK18_SY394: $i > $i > $i ).

thf(tp_sK19_D,type,
    sK19_D: $i > $i > $i > $i ).

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

thf(tp_sK20_C,type,
    sK20_C: $i > $i > $i ).

thf(tp_sK21_SY396,type,
    sK21_SY396: $i > $i > $i ).

thf(tp_sK22_D,type,
    sK22_D: $i > $i > $i > $i ).

thf(tp_sK23_E,type,
    sK23_E: $i > $i > $i > $i > $i ).

thf(tp_sK24_SY397,type,
    sK24_SY397: $i > $i > $i > $i > $i ).

thf(tp_sK25_D,type,
    sK25_D: $i > $i > $i > $i ).

thf(tp_sK26_SY400,type,
    sK26_SY400: $i > $i > $i > $i ).

thf(tp_sK27_SY402,type,
    sK27_SY402: $i > $i > $i > $i ).

thf(tp_sK28_D,type,
    sK28_D: $i > $i > $i > $i ).

thf(tp_sK29_D,type,
    sK29_D: $i > $i > $i > $i ).

thf(tp_sK2_SY386,type,
    sK2_SY386: $i ).

thf(tp_sK30_B,type,
    sK30_B: $i > $i ).

thf(tp_sK31_C,type,
    sK31_C: $i > $i > $i ).

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

thf(tp_sK33_C,type,
    sK33_C: $i > $i > $i ).

thf(tp_sK34_SY403,type,
    sK34_SY403: $i > $i > $i ).

thf(tp_sK35_C,type,
    sK35_C: $i > $i > $i ).

thf(tp_sK36_SY405,type,
    sK36_SY405: $i > $i > $i ).

thf(tp_sK37_B,type,
    sK37_B: $i > $i ).

thf(tp_sK38_SY406,type,
    sK38_SY406: $i > $i ).

thf(tp_sK39_C,type,
    sK39_C: $i > $i > $i ).

thf(tp_sK3_C,type,
    sK3_C: $i > $i > $i ).

thf(tp_sK40_C,type,
    sK40_C: $i > $i > $i ).

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

thf(tp_sK42_C,type,
    sK42_C: $i > $i > $i ).

thf(tp_sK43_B,type,
    sK43_B: $i > $i ).

thf(tp_sK44_SY413,type,
    sK44_SY413: $i > $i > $i ).

thf(tp_sK45_A,type,
    sK45_A: $i ).

thf(tp_sK46_A,type,
    sK46_A: $i ).

thf(tp_sK47_D,type,
    sK47_D: $i > $i > $i > $i ).

thf(tp_sK48_C,type,
    sK48_C: $i > $i > $i ).

thf(tp_sK49_SY419,type,
    sK49_SY419: $i > $i > $i ).

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

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

thf(tp_sK51_C,type,
    sK51_C: $i > $i > $i ).

thf(tp_sK52_SY420,type,
    sK52_SY420: $i > $i > $i ).

thf(tp_sK53_C,type,
    sK53_C: $i > $i > $i ).

thf(tp_sK54_SY421,type,
    sK54_SY421: $i > $i > $i ).

thf(tp_sK55_C,type,
    sK55_C: $i > $i > $i ).

thf(tp_sK56_C,type,
    sK56_C: $i > $i > $i ).

thf(tp_sK57_SY422,type,
    sK57_SY422: $i > $i > $i ).

thf(tp_sK58_B,type,
    sK58_B: $i > $i ).

thf(tp_sK59_D,type,
    sK59_D: $i > $i > $i > $i ).

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

thf(tp_sK60_SY425,type,
    sK60_SY425: $i > $i > $i > $i ).

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

thf(tp_sK7_B,type,
    sK7_B: $i > $i ).

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

thf(tp_sK9_F,type,
    sK9_F: $i > $i > $i > $i > $i > $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(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] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(21,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(22,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(23,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(24,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(25,axiom,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(26,axiom,
    ! [A: $i,B: $i] :
      ~ ( proper_subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',irreflexivity_r2_xboole_0) ).

thf(27,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(28,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_inverse @ ( relation_inverse @ A ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k4_relat_1) ).

thf(29,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(30,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

thf(31,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

thf(32,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(33,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_rng @ A ) )
        & ( relation @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_relat_1) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_dom @ A ) )
        & ( relation @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(35,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_rng @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(36,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_dom @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(37,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(38,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(39,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(40,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( unordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(41,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(42,axiom,
    ! [A: $i] :
      ~ ( empty @ ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(43,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(44,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(45,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(46,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(47,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(48,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(49,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(51,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(52,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(53,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(54,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(55,axiom,
    ! [A: $i] : ( relation @ ( identity_relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_relat_1) ).

thf(56,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(57,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(60,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_inverse @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relat_1) ).

thf(63,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(68,axiom,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(75,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(77,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(78,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(79,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(80,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(81,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(82,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(83,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(84,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(85,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(87,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(88,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(89,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(90,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(91,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(92,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(93,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(94,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(95,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(96,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(97,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(98,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(99,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(100,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(101,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(102,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(103,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(104,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(105,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(106,axiom,
    ! [A: $i,B: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(107,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(108,axiom,
    ! [A: $i,B: $i] :
      ( ( proper_subset @ A @ B )
     => ~ ( proper_subset @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_xboole_0) ).

thf(109,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(110,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(111,axiom,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(112,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_dom_restriction @ B @ A )
        = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t94_relat_1) ).

thf(113,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t92_zfmisc_1) ).

thf(114,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(115,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(116,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(117,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(118,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(119,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_difference @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t83_xboole_1) ).

thf(120,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(121,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(122,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(123,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_zfmisc_1) ).

thf(124,axiom,
    ! [A: $i] :
      ( ( unordered_pair @ A @ A )
      = ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t69_enumset1) ).

thf(125,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(126,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(127,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(128,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(129,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( subset @ A @ B )
        & ( proper_subset @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_xboole_1) ).

thf(130,axiom,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    & ( ( relation_rng @ empty_set )
      = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_relat_1) ).

thf(131,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(132,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(133,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(134,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(135,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(138,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(139,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(140,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(141,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(142,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(143,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(144,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(145,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(146,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(147,axiom,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(148,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(149,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(150,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(151,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(152,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_zfmisc_1) ).

thf(153,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(154,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(155,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t36_xboole_1) ).

thf(156,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(157,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(158,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(159,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(160,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_intersection2 @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t28_xboole_1) ).

thf(161,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(162,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(163,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(164,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(165,axiom,
    ( ( powerset @ empty_set )
    = ( singleton @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_zfmisc_1) ).

thf(166,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(167,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(168,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_xboole_1) ).

thf(169,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(170,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_union2 @ A @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_xboole_1) ).

thf(171,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(172,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(173,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(174,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(175,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(176,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(177,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l50_zfmisc_1) ).

thf(178,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(179,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(180,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(181,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(182,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l2_zfmisc_1) ).

thf(183,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( in @ A @ B )
     => ( disjoint @ ( singleton @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l28_zfmisc_1) ).

thf(184,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( disjoint @ ( singleton @ A ) @ B )
        & ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l25_zfmisc_1) ).

thf(185,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(186,axiom,
    ! [A: $i] :
      ( ( singleton @ A )
     != empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

thf(187,conjecture,
    ! [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(188,negated_conjecture,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[187]) ).

thf(189,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[188]) ).

thf(190,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(191,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(192,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(193,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(194,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(195,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(196,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(197,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(198,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(199,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(200,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(201,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(202,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
         => ( disjoint @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(203,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(204,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(205,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(206,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(207,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(208,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(209,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( proper_subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(210,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)],[27]) ).

thf(211,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(212,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(213,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(214,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
            & ~ ( empty @ B ) )
         => ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(215,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(216,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(217,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(218,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(219,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(220,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(221,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(222,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(223,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)],[51]) ).

thf(224,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)],[53]) ).

thf(225,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(226,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[56]) ).

thf(227,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[63]) ).

thf(228,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[68]) ).

thf(229,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)],[77]) ).

thf(230,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[78]) ).

thf(231,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)],[79]) ).

thf(232,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[80]) ).

thf(233,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[81]) ).

thf(234,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[82]) ).

thf(235,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)],[84]) ).

thf(236,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)],[85]) ).

thf(237,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)],[87]) ).

thf(238,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)],[88]) ).

thf(239,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)],[91]) ).

thf(240,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)],[92]) ).

thf(241,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)],[93]) ).

thf(242,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)],[94]) ).

thf(243,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[97]) ).

thf(244,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[98]) ).

thf(245,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)],[99]) ).

thf(246,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)],[103]) ).

thf(247,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[104]) ).

thf(248,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[105]) ).

thf(249,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[106]) ).

thf(250,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( proper_subset @ A @ B )
         => ~ ( proper_subset @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[108]) ).

thf(251,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[109]) ).

thf(252,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
            = ( unordered_pair @ B @ C ) )
         => ( B = C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[110]) ).

thf(253,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(254,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
            = ( unordered_pair @ B @ C ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[115]) ).

thf(255,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_difference @ A @ B )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[119]) ).

thf(256,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)],[121]) ).

thf(257,plain,
    ( ( ! [A: $i] :
          ( ( unordered_pair @ A @ A )
          = ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[124]) ).

thf(258,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ ( singleton @ B ) )
            = A )
        <=> ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[125]) ).

thf(259,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ! [B: $i,C: $i] :
                ~ ( in @ ( ordered_pair @ B @ C ) @ A )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[131]) ).

thf(260,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)],[132]) ).

thf(261,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)],[133]) ).

thf(262,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)],[134]) ).

thf(263,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ A @ ( set_difference @ A @ B ) )
          = ( set_intersection2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[135]) ).

thf(264,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[139]) ).

thf(265,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)],[140]) ).

thf(266,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)],[145]) ).

thf(267,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
          = ( set_difference @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(268,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)],[148]) ).

thf(269,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
          = ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(270,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)],[156]) ).

thf(271,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)],[158]) ).

thf(272,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)],[164]) ).

thf(273,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(274,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)],[169]) ).

thf(275,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)],[173]) ).

thf(276,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)],[174]) ).

thf(277,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[175]) ).

thf(278,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)],[176]) ).

thf(279,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)],[179]) ).

thf(280,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[180]) ).

thf(281,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
         => ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[183]) ).

thf(282,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( disjoint @ ( singleton @ A ) @ B )
            & ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[184]) ).

thf(283,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[185]) ).

thf(284,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[186]) ).

thf(285,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(286,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(287,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(288,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(289,plain,
    ( ( ? [A: $i] :
          ( ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(290,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(291,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)],[32]) ).

thf(292,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( empty @ ( relation_rng @ A ) )
            & ( relation @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(293,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( empty @ ( relation_dom @ A ) )
            & ( relation @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(294,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty @ A )
            & ( relation @ A ) )
         => ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(295,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty @ A )
            & ( relation @ A ) )
         => ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(296,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(297,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(298,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(299,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)],[48]) ).

thf(300,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(301,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(302,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[57]) ).

thf(303,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[60]) ).

thf(304,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( proper_subset @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( A != B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[75]) ).

thf(305,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)],[83]) ).

thf(306,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(307,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)],[90]) ).

thf(308,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)],[95]) ).

thf(309,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[96]) ).

thf(310,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)],[100]) ).

thf(311,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)],[101]) ).

thf(312,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[102]) ).

thf(313,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[107]) ).

thf(314,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( relation_dom_restriction @ B @ A )
            = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[112]) ).

thf(315,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[113]) ).

thf(316,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)],[114]) ).

thf(317,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)],[116]) ).

thf(318,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[117]) ).

thf(319,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)],[118]) ).

thf(320,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[120]) ).

thf(321,plain,
    ( ( ! [A: $i] :
          ( ( ( relation_dom @ ( identity_relation @ A ) )
            = A )
          & ( ( relation_rng @ ( identity_relation @ A ) )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[122]) ).

thf(322,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[123]) ).

thf(323,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( relation_dom @ A )
              = empty_set )
          <=> ( ( relation_rng @ A )
              = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[126]) ).

thf(324,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( ( relation_dom @ A )
                = empty_set )
              | ( ( relation_rng @ A )
                = empty_set ) )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[127]) ).

thf(325,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( disjoint @ B @ C ) )
         => ( disjoint @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[128]) ).

thf(326,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( subset @ A @ B )
            & ( proper_subset @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[129]) ).

thf(327,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[130]) ).

thf(328,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)],[138]) ).

thf(329,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)],[141]) ).

thf(330,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[142]) ).

thf(331,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)],[143]) ).

thf(332,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)],[144]) ).

thf(333,plain,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(334,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(335,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)],[151]) ).

thf(336,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[152]) ).

thf(337,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(338,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)],[154]) ).

thf(339,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[155]) ).

thf(340,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)],[157]) ).

thf(341,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[159]) ).

thf(342,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(343,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)],[161]) ).

thf(344,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)],[162]) ).

thf(345,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[163]) ).

thf(346,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ B @ C ) )
         => ( subset @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[166]) ).

thf(347,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)],[167]) ).

thf(348,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(349,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[170]) ).

thf(350,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)],[171]) ).

thf(351,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)],[172]) ).

thf(352,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[177]) ).

thf(353,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[178]) ).

thf(354,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[181]) ).

thf(355,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[182]) ).

thf(356,plain,
    ( ( ! [SY386: $i] :
          ( ( relation @ SY386 )
         => ( subset @ ( relation_rng @ ( relation_dom_restriction @ SY386 @ sK1_A ) ) @ ( relation_rng @ SY386 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[189]) ).

thf(357,plain,
    ( ( ( relation @ sK2_SY386 )
     => ( subset @ ( relation_rng @ ( relation_dom_restriction @ sK2_SY386 @ sK1_A ) ) @ ( relation_rng @ sK2_SY386 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[356]) ).

thf(358,plain,
    ( ( relation @ sK2_SY386 )
    = $true ),
    inference(standard_cnf,[status(thm)],[357]) ).

thf(359,plain,
    ( ( subset @ ( relation_rng @ ( relation_dom_restriction @ sK2_SY386 @ sK1_A ) ) @ ( relation_rng @ sK2_SY386 ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[357]) ).

thf(360,plain,
    ( ( ~ ( subset @ ( relation_rng @ ( relation_dom_restriction @ sK2_SY386 @ sK1_A ) ) @ ( relation_rng @ sK2_SY386 ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[359]) ).

thf(361,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[190]) ).

thf(362,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[191]) ).

thf(363,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[192]) ).

thf(364,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[193]) ).

thf(365,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[194]) ).

thf(366,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK3_C @ B @ A ) @ A )
              | ~ ( in @ ( sK3_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK3_C @ B @ A ) @ A )
              | ( in @ ( sK3_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[197]) ).

thf(367,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[198]) ).

thf(368,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[200]) ).

thf(369,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[202]) ).

thf(370,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)],[203]) ).

thf(371,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[204]) ).

thf(372,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[205]) ).

thf(373,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK5_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK5_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[206]) ).

thf(374,plain,
    ( ( empty @ sK6_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[207]) ).

thf(375,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK7_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK7_B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[208]) ).

thf(376,plain,
    ( ( ! [A: $i] :
          ~ ( proper_subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[209]) ).

thf(377,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)],[210]) ).

thf(378,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[211]) ).

thf(379,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[212]) ).

thf(380,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[213]) ).

thf(381,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( empty @ A )
          | ( empty @ B )
          | ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[214]) ).

thf(382,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[215]) ).

thf(383,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[217]) ).

thf(384,plain,
    ( ( ! [A: $i] : ( element @ ( sK8_B @ A ) @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[222]) ).

thf(385,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)],[223]) ).

thf(386,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)],[224]) ).

thf(387,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[225]) ).

thf(388,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[226]) ).

thf(389,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[227]) ).

thf(390,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( ( ! [SY390: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ SY390 ) @ A )
                            | ~ ( in @ ( ordered_pair @ SY390 @ ( sK11_SY387 @ C @ B @ A ) ) @ B ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY387 @ C @ B @ A ) ) @ C ) )
                      & ( ( ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK12_SY391 @ C @ B @ A ) ) @ A )
                          & ( in @ ( ordered_pair @ ( sK12_SY391 @ C @ B @ A ) @ ( sK11_SY387 @ C @ B @ A ) ) @ B ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY387 @ 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 @ ( sK9_F @ E @ D @ C @ B @ A ) ) @ A )
                            & ( in @ ( ordered_pair @ ( sK9_F @ E @ D @ C @ B @ A ) @ E ) @ B ) ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[229]) ).

thf(391,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)],[230]) ).

thf(392,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY392 @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ B @ A ) @ ( sK13_C @ B @ A ) ) @ A ) )
                  & ( ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY392 @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK14_SY392 @ B @ A ) @ ( sK13_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)],[231]) ).

thf(393,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[232]) ).

thf(394,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[234]) ).

thf(395,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK15_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)],[235]) ).

thf(396,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY393: $i] :
                  ( ~ ( in @ ( sK17_C @ B @ A ) @ SY393 )
                  | ~ ( in @ SY393 @ A ) )
              | ~ ( in @ ( sK17_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK17_C @ B @ A ) @ ( sK18_SY394 @ B @ A ) )
                & ( in @ ( sK18_SY394 @ B @ A ) @ A ) )
              | ( in @ ( sK17_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 @ ( sK16_D @ C @ B @ A ) )
                  & ( in @ ( sK16_D @ C @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[236]) ).

thf(397,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY395: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK20_C @ B @ A ) @ SY395 ) @ A )
                    | ~ ( in @ ( sK20_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK20_C @ B @ A ) @ ( sK21_SY396 @ B @ A ) ) @ A )
                    | ( in @ ( sK20_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 @ ( sK19_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[237]) ).

thf(398,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK22_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK22_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK22_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK22_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK22_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK22_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK22_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)],[238]) ).

thf(399,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ! [SY398: $i,SY399: $i] :
                      ( ~ ( in @ SY398 @ A )
                      | ~ ( in @ SY399 @ B )
                      | ( ( sK25_D @ C @ B @ A )
                       != ( ordered_pair @ SY398 @ SY399 ) ) )
                  | ~ ( in @ ( sK25_D @ C @ B @ A ) @ C ) )
                & ( ( ( in @ ( sK26_SY400 @ C @ B @ A ) @ A )
                    & ( in @ ( sK27_SY402 @ C @ B @ A ) @ B )
                    & ( ( sK25_D @ C @ B @ A )
                      = ( ordered_pair @ ( sK26_SY400 @ C @ B @ A ) @ ( sK27_SY402 @ C @ B @ A ) ) ) )
                  | ( in @ ( sK25_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 @ ( sK23_E @ D @ C @ B @ A ) @ A )
                      & ( in @ ( sK24_SY397 @ D @ C @ B @ A ) @ B )
                      & ( D
                        = ( ordered_pair @ ( sK23_E @ D @ C @ B @ A ) @ ( sK24_SY397 @ D @ C @ B @ A ) ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[239]) ).

thf(400,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK28_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK28_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK28_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK28_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK28_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK28_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK28_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)],[240]) ).

thf(401,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK29_D @ C @ B @ A ) @ C )
                  | ( ( sK29_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK29_D @ C @ B @ A ) @ C )
                  | ( ( sK29_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK29_D @ C @ B @ A ) @ C )
                  | ( ( sK29_D @ C @ B @ A )
                    = A )
                  | ( ( sK29_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)],[241]) ).

thf(402,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)],[242]) ).

thf(403,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK30_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[243]) ).

thf(404,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK31_C @ B @ A )
               != A )
              | ~ ( in @ ( sK31_C @ B @ A ) @ B ) )
            & ( ( ( sK31_C @ B @ A )
                = A )
              | ( in @ ( sK31_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)],[244]) ).

thf(405,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( ( ( ( in @ ( sK34_SY403 @ B @ A ) @ A )
                    & ~ ( in @ ( sK33_C @ B @ A ) @ ( sK34_SY403 @ B @ A ) ) )
                  | ~ ( in @ ( sK33_C @ B @ A ) @ B ) )
                & ( ! [SY404: $i] :
                      ( ~ ( in @ SY404 @ A )
                      | ( in @ ( sK33_C @ B @ A ) @ SY404 ) )
                  | ( in @ ( sK33_C @ B @ A ) @ B ) ) )
              | ( B
                = ( set_meet @ A ) ) ) )
      & ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( ! [C: $i] :
                    ( ( ( in @ ( sK32_D @ C @ B @ A ) @ A )
                      & ~ ( in @ C @ ( sK32_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)],[245]) ).

thf(406,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( ( ( sK35_C @ B @ A )
               != ( sK36_SY405 @ B @ A ) )
              | ~ ( in @ ( sK35_C @ B @ A ) @ A )
              | ~ ( in @ ( ordered_pair @ ( sK35_C @ B @ A ) @ ( sK36_SY405 @ B @ A ) ) @ B ) )
            & ( ( ( sK35_C @ B @ A )
                = ( sK36_SY405 @ B @ A ) )
              | ( in @ ( ordered_pair @ ( sK35_C @ B @ A ) @ ( sK36_SY405 @ B @ A ) ) @ B ) )
            & ( ( in @ ( sK35_C @ B @ A ) @ A )
              | ( in @ ( ordered_pair @ ( sK35_C @ B @ A ) @ ( sK36_SY405 @ 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)],[246]) ).

thf(407,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ~ ( proper_subset @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[250]) ).

thf(408,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[251]) ).

thf(409,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
           != ( unordered_pair @ B @ C ) )
          | ( B = C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[252]) ).

thf(410,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( singleton @ A )
             != ( unordered_pair @ B @ C ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[254]) ).

thf(411,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)],[255]) ).

thf(412,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)],[256]) ).

thf(413,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)],[258]) ).

thf(414,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( in @ ( ordered_pair @ ( sK37_B @ A ) @ ( sK38_SY406 @ A ) ) @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[259]) ).

thf(415,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)],[260]) ).

thf(416,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)],[261]) ).

thf(417,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK39_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)],[262]) ).

thf(418,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[264]) ).

thf(419,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)],[265]) ).

thf(420,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)],[266]) ).

thf(421,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK40_C @ B @ A ) @ A )
            & ( in @ ( sK40_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)],[268]) ).

thf(422,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)],[270]) ).

thf(423,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)],[271]) ).

thf(424,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)],[272]) ).

thf(425,plain,
    ( ( ! [A: $i] :
          ( ! [SY407: $i] :
              ( ~ ( subset @ SY407 @ ( sK41_B @ A ) )
              | ( are_equipotent @ SY407 @ ( sK41_B @ A ) )
              | ( in @ SY407 @ ( sK41_B @ A ) ) )
          & ! [SY408: $i] :
              ( ~ ( in @ SY408 @ ( sK41_B @ A ) )
              | ( in @ ( powerset @ SY408 ) @ ( sK41_B @ A ) ) )
          & ! [SY409: $i,SY410: $i] :
              ( ~ ( in @ SY409 @ ( sK41_B @ A ) )
              | ~ ( subset @ SY410 @ SY409 )
              | ( in @ SY410 @ ( sK41_B @ A ) ) )
          & ( in @ A @ ( sK41_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[274]) ).

thf(426,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)],[275]) ).

thf(427,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)],[276]) ).

thf(428,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK42_C @ B @ A ) @ A )
            & ~ ( in @ ( sK42_C @ B @ A ) @ B ) )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[277]) ).

thf(429,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)],[278]) ).

thf(430,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)],[279]) ).

thf(431,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ B )
              | ( in @ C @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[280]) ).

thf(432,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
          | ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[281]) ).

thf(433,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ ( singleton @ A ) @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[282]) ).

thf(434,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[283]) ).

thf(435,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[284]) ).

thf(436,plain,
    ( ( ! [A: $i] :
          ( ! [SY411: $i] :
              ( ~ ( subset @ SY411 @ ( sK43_B @ A ) )
              | ( are_equipotent @ SY411 @ ( sK43_B @ A ) )
              | ( in @ SY411 @ ( sK43_B @ A ) ) )
          & ! [SY412: $i] :
              ( ( ! [SY417: $i] :
                    ( ~ ( subset @ SY417 @ SY412 )
                    | ( in @ SY417 @ ( sK44_SY413 @ SY412 @ A ) ) )
                & ( in @ ( sK44_SY413 @ SY412 @ A ) @ ( sK43_B @ A ) ) )
              | ~ ( in @ SY412 @ ( sK43_B @ A ) ) )
          & ! [SY415: $i,SY416: $i] :
              ( ~ ( in @ SY415 @ ( sK43_B @ A ) )
              | ~ ( subset @ SY416 @ SY415 )
              | ( in @ SY416 @ ( sK43_B @ A ) ) )
          & ( in @ A @ ( sK43_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[285]) ).

thf(437,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)],[286]) ).

thf(438,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[287]) ).

thf(439,plain,
    ( ( ~ ( empty @ sK45_A )
      & ( relation @ sK45_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[288]) ).

thf(440,plain,
    ( ( ( empty @ sK46_A )
      & ( relation @ sK46_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[289]) ).

thf(441,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[290]) ).

thf(442,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)],[291]) ).

thf(443,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_rng @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[292]) ).

thf(444,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[293]) ).

thf(445,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[294]) ).

thf(446,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[295]) ).

thf(447,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[297]) ).

thf(448,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[298]) ).

thf(449,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)],[299]) ).

thf(450,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[300]) ).

thf(451,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[302]) ).

thf(452,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[303]) ).

thf(453,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)],[304]) ).

thf(454,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY418: $i] :
                        ~ ( in @ ( ordered_pair @ SY418 @ ( sK48_C @ B @ A ) ) @ A )
                    | ~ ( in @ ( sK48_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK49_SY419 @ B @ A ) @ ( sK48_C @ B @ A ) ) @ A )
                    | ( in @ ( sK48_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 @ ( sK47_D @ C @ B @ A ) @ C ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[305]) ).

thf(455,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)],[306]) ).

thf(456,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( in @ ( ordered_pair @ ( sK51_C @ B @ A ) @ ( sK52_SY420 @ B @ A ) ) @ A )
                  & ~ ( in @ ( ordered_pair @ ( sK51_C @ B @ A ) @ ( sK52_SY420 @ 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)],[307]) ).

thf(457,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ B @ A ) ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ 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)],[308]) ).

thf(458,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK55_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK55_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK55_C @ B @ A ) @ B )
              | ( subset @ ( sK55_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)],[309]) ).

thf(459,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY423: $i,SY424: $i] :
                ( ( sK58_B @ A )
               != ( ordered_pair @ SY423 @ SY424 ) )
            & ( in @ ( sK58_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK56_C @ B @ A ) @ ( sK57_SY422 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[310]) ).

thf(460,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ~ ( relation @ C )
                | ( ( ~ ( in @ ( sK59_D @ C @ B @ A ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( sK59_D @ C @ B @ A ) @ B )
                    | ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ 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)],[311]) ).

thf(461,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)],[312]) ).

thf(462,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[313]) ).

thf(463,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_dom_restriction @ B @ A )
            = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[314]) ).

thf(464,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[315]) ).

thf(465,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)],[316]) ).

thf(466,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)],[317]) ).

thf(467,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[318]) ).

thf(468,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)],[319]) ).

thf(469,plain,
    ( ( ! [A: $i] :
          ( ( relation_dom @ ( identity_relation @ A ) )
          = A )
      & ! [A: $i] :
          ( ( relation_rng @ ( identity_relation @ A ) )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[321]) ).

thf(470,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[322]) ).

thf(471,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)],[323]) ).

thf(472,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)],[324]) ).

thf(473,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[325]) ).

thf(474,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[326]) ).

thf(475,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)],[328]) ).

thf(476,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)],[329]) ).

thf(477,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[330]) ).

thf(478,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)],[331]) ).

thf(479,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)],[332]) ).

thf(480,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[333]) ).

thf(481,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(482,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)],[335]) ).

thf(483,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)],[336]) ).

thf(484,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)],[337]) ).

thf(485,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)],[338]) ).

thf(486,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)],[340]) ).

thf(487,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[342]) ).

thf(488,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)],[343]) ).

thf(489,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)],[344]) ).

thf(490,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[345]) ).

thf(491,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[346]) ).

thf(492,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)],[347]) ).

thf(493,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[349]) ).

thf(494,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)],[350]) ).

thf(495,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)],[351]) ).

thf(496,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[352]) ).

thf(497,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)],[353]) ).

thf(498,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)],[354]) ).

thf(499,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)],[355]) ).

thf(500,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)],[499]) ).

thf(501,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)],[498]) ).

thf(502,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)],[497]) ).

thf(503,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[496]) ).

thf(504,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)],[495]) ).

thf(505,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)],[494]) ).

thf(506,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[493]) ).

thf(507,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[348]) ).

thf(508,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ A @ C )
          | ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[492]) ).

thf(509,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[491]) ).

thf(510,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[490]) ).

thf(511,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)],[489]) ).

thf(512,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[488]) ).

thf(513,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[487]) ).

thf(514,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(copy,[status(thm)],[341]) ).

thf(515,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[486]) ).

thf(516,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[339]) ).

thf(517,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)],[485]) ).

thf(518,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)],[484]) ).

thf(519,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)],[483]) ).

thf(520,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)],[482]) ).

thf(521,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)],[481]) ).

thf(522,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[480]) ).

thf(523,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[479]) ).

thf(524,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[478]) ).

thf(525,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[477]) ).

thf(526,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)],[476]) ).

thf(527,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)],[475]) ).

thf(528,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[327]) ).

thf(529,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[474]) ).

thf(530,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[473]) ).

thf(531,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)],[472]) ).

thf(532,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)],[471]) ).

thf(533,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[470]) ).

thf(534,plain,
    ( ( ! [A: $i] :
          ( ( relation_dom @ ( identity_relation @ A ) )
          = A )
      & ! [A: $i] :
          ( ( relation_rng @ ( identity_relation @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[469]) ).

thf(535,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[320]) ).

thf(536,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)],[468]) ).

thf(537,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[467]) ).

thf(538,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ B )
          | ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[466]) ).

thf(539,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)],[465]) ).

thf(540,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[464]) ).

thf(541,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( relation_dom_restriction @ B @ A )
            = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[463]) ).

thf(542,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[462]) ).

thf(543,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)],[461]) ).

thf(544,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ~ ( relation @ C )
                | ( ( ~ ( in @ ( sK59_D @ C @ B @ A ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( sK59_D @ C @ B @ A ) @ B )
                    | ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ C ) )
                  & ( ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ C @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK59_D @ C @ B @ A ) @ ( sK60_SY425 @ 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)],[460]) ).

thf(545,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY423: $i,SY424: $i] :
                ( ( sK58_B @ A )
               != ( ordered_pair @ SY423 @ SY424 ) )
            & ( in @ ( sK58_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK56_C @ B @ A ) @ ( sK57_SY422 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[459]) ).

thf(546,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK55_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK55_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK55_C @ B @ A ) @ B )
              | ( subset @ ( sK55_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)],[458]) ).

thf(547,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ B @ A ) ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK53_C @ B @ A ) @ ( sK54_SY421 @ 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)],[457]) ).

thf(548,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( in @ ( ordered_pair @ ( sK51_C @ B @ A ) @ ( sK52_SY420 @ B @ A ) ) @ A )
                  & ~ ( in @ ( ordered_pair @ ( sK51_C @ B @ A ) @ ( sK52_SY420 @ 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)],[456]) ).

thf(549,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)],[455]) ).

thf(550,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY418: $i] :
                        ~ ( in @ ( ordered_pair @ SY418 @ ( sK48_C @ B @ A ) ) @ A )
                    | ~ ( in @ ( sK48_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK49_SY419 @ B @ A ) @ ( sK48_C @ B @ A ) ) @ A )
                    | ( in @ ( sK48_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 @ ( sK47_D @ C @ B @ A ) @ C ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[454]) ).

thf(551,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)],[453]) ).

thf(552,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[452]) ).

thf(553,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[451]) ).

thf(554,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[301]) ).

thf(555,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[450]) ).

thf(556,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)],[449]) ).

thf(557,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[448]) ).

thf(558,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[447]) ).

thf(559,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[296]) ).

thf(560,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[446]) ).

thf(561,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[445]) ).

thf(562,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[444]) ).

thf(563,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_rng @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[443]) ).

thf(564,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)],[442]) ).

thf(565,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[441]) ).

thf(566,plain,
    ( ( ( empty @ sK46_A )
      & ( relation @ sK46_A ) )
    = $true ),
    inference(copy,[status(thm)],[440]) ).

thf(567,plain,
    ( ( ~ ( empty @ sK45_A )
      & ( relation @ sK45_A ) )
    = $true ),
    inference(copy,[status(thm)],[439]) ).

thf(568,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[438]) ).

thf(569,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)],[437]) ).

thf(570,plain,
    ( ( ! [A: $i] :
          ( ! [SY411: $i] :
              ( ~ ( subset @ SY411 @ ( sK43_B @ A ) )
              | ( are_equipotent @ SY411 @ ( sK43_B @ A ) )
              | ( in @ SY411 @ ( sK43_B @ A ) ) )
          & ! [SY412: $i] :
              ( ( ! [SY417: $i] :
                    ( ~ ( subset @ SY417 @ SY412 )
                    | ( in @ SY417 @ ( sK44_SY413 @ SY412 @ A ) ) )
                & ( in @ ( sK44_SY413 @ SY412 @ A ) @ ( sK43_B @ A ) ) )
              | ~ ( in @ SY412 @ ( sK43_B @ A ) ) )
          & ! [SY415: $i,SY416: $i] :
              ( ~ ( in @ SY415 @ ( sK43_B @ A ) )
              | ~ ( subset @ SY416 @ SY415 )
              | ( in @ SY416 @ ( sK43_B @ A ) ) )
          & ( in @ A @ ( sK43_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[436]) ).

thf(571,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[435]) ).

thf(572,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[434]) ).

thf(573,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ ( singleton @ A ) @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[433]) ).

thf(574,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
          | ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[432]) ).

thf(575,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ B )
              | ( in @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[431]) ).

thf(576,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)],[430]) ).

thf(577,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)],[429]) ).

thf(578,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK42_C @ B @ A ) @ A )
            & ~ ( in @ ( sK42_C @ B @ A ) @ B ) )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[428]) ).

thf(579,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)],[427]) ).

thf(580,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)],[426]) ).

thf(581,plain,
    ( ( ! [A: $i] :
          ( ! [SY407: $i] :
              ( ~ ( subset @ SY407 @ ( sK41_B @ A ) )
              | ( are_equipotent @ SY407 @ ( sK41_B @ A ) )
              | ( in @ SY407 @ ( sK41_B @ A ) ) )
          & ! [SY408: $i] :
              ( ~ ( in @ SY408 @ ( sK41_B @ A ) )
              | ( in @ ( powerset @ SY408 ) @ ( sK41_B @ A ) ) )
          & ! [SY409: $i,SY410: $i] :
              ( ~ ( in @ SY409 @ ( sK41_B @ A ) )
              | ~ ( subset @ SY410 @ SY409 )
              | ( in @ SY410 @ ( sK41_B @ A ) ) )
          & ( in @ A @ ( sK41_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[425]) ).

thf(582,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[273]) ).

thf(583,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)],[424]) ).

thf(584,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)],[423]) ).

thf(585,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)],[422]) ).

thf(586,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
          = ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[269]) ).

thf(587,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK40_C @ B @ A ) @ A )
            & ( in @ ( sK40_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[421]) ).

thf(588,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
          = ( set_difference @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[267]) ).

thf(589,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)],[420]) ).

thf(590,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)],[419]) ).

thf(591,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[418]) ).

thf(592,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ A @ ( set_difference @ A @ B ) )
          = ( set_intersection2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[263]) ).

thf(593,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK39_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)],[417]) ).

thf(594,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)],[416]) ).

thf(595,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)],[415]) ).

thf(596,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( in @ ( ordered_pair @ ( sK37_B @ A ) @ ( sK38_SY406 @ A ) ) @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[414]) ).

thf(597,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)],[413]) ).

thf(598,plain,
    ( ( ! [A: $i] :
          ( ( unordered_pair @ A @ A )
          = ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[257]) ).

thf(599,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)],[412]) ).

thf(600,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)],[411]) ).

thf(601,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( singleton @ A )
             != ( unordered_pair @ B @ C ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[410]) ).

thf(602,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[253]) ).

thf(603,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
           != ( unordered_pair @ B @ C ) )
          | ( B = C ) ) )
    = $true ),
    inference(copy,[status(thm)],[409]) ).

thf(604,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[408]) ).

thf(605,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ~ ( proper_subset @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[407]) ).

thf(606,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[249]) ).

thf(607,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[248]) ).

thf(608,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[247]) ).

thf(609,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( ( ( ( sK35_C @ B @ A )
               != ( sK36_SY405 @ B @ A ) )
              | ~ ( in @ ( sK35_C @ B @ A ) @ A )
              | ~ ( in @ ( ordered_pair @ ( sK35_C @ B @ A ) @ ( sK36_SY405 @ B @ A ) ) @ B ) )
            & ( ( ( sK35_C @ B @ A )
                = ( sK36_SY405 @ B @ A ) )
              | ( in @ ( ordered_pair @ ( sK35_C @ B @ A ) @ ( sK36_SY405 @ B @ A ) ) @ B ) )
            & ( ( in @ ( sK35_C @ B @ A ) @ A )
              | ( in @ ( ordered_pair @ ( sK35_C @ B @ A ) @ ( sK36_SY405 @ 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)],[406]) ).

thf(610,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( ( ( ( in @ ( sK34_SY403 @ B @ A ) @ A )
                    & ~ ( in @ ( sK33_C @ B @ A ) @ ( sK34_SY403 @ B @ A ) ) )
                  | ~ ( in @ ( sK33_C @ B @ A ) @ B ) )
                & ( ! [SY404: $i] :
                      ( ~ ( in @ SY404 @ A )
                      | ( in @ ( sK33_C @ B @ A ) @ SY404 ) )
                  | ( in @ ( sK33_C @ B @ A ) @ B ) ) )
              | ( B
                = ( set_meet @ A ) ) ) )
      & ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( ! [C: $i] :
                    ( ( ( in @ ( sK32_D @ C @ B @ A ) @ A )
                      & ~ ( in @ C @ ( sK32_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)],[405]) ).

thf(611,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK31_C @ B @ A )
               != A )
              | ~ ( in @ ( sK31_C @ B @ A ) @ B ) )
            & ( ( ( sK31_C @ B @ A )
                = A )
              | ( in @ ( sK31_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)],[404]) ).

thf(612,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK30_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[403]) ).

thf(613,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)],[402]) ).

thf(614,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK29_D @ C @ B @ A ) @ C )
                  | ( ( sK29_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK29_D @ C @ B @ A ) @ C )
                  | ( ( sK29_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK29_D @ C @ B @ A ) @ C )
                  | ( ( sK29_D @ C @ B @ A )
                    = A )
                  | ( ( sK29_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)],[401]) ).

thf(615,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK28_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK28_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK28_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK28_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK28_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK28_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK28_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)],[400]) ).

thf(616,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ! [SY398: $i,SY399: $i] :
                      ( ~ ( in @ SY398 @ A )
                      | ~ ( in @ SY399 @ B )
                      | ( ( sK25_D @ C @ B @ A )
                       != ( ordered_pair @ SY398 @ SY399 ) ) )
                  | ~ ( in @ ( sK25_D @ C @ B @ A ) @ C ) )
                & ( ( ( in @ ( sK26_SY400 @ C @ B @ A ) @ A )
                    & ( in @ ( sK27_SY402 @ C @ B @ A ) @ B )
                    & ( ( sK25_D @ C @ B @ A )
                      = ( ordered_pair @ ( sK26_SY400 @ C @ B @ A ) @ ( sK27_SY402 @ C @ B @ A ) ) ) )
                  | ( in @ ( sK25_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 @ ( sK23_E @ D @ C @ B @ A ) @ A )
                      & ( in @ ( sK24_SY397 @ D @ C @ B @ A ) @ B )
                      & ( D
                        = ( ordered_pair @ ( sK23_E @ D @ C @ B @ A ) @ ( sK24_SY397 @ D @ C @ B @ A ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[399]) ).

thf(617,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK22_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK22_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK22_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK22_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK22_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK22_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK22_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)],[398]) ).

thf(618,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY395: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK20_C @ B @ A ) @ SY395 ) @ A )
                    | ~ ( in @ ( sK20_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK20_C @ B @ A ) @ ( sK21_SY396 @ B @ A ) ) @ A )
                    | ( in @ ( sK20_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 @ ( sK19_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[397]) ).

thf(619,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY393: $i] :
                  ( ~ ( in @ ( sK17_C @ B @ A ) @ SY393 )
                  | ~ ( in @ SY393 @ A ) )
              | ~ ( in @ ( sK17_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK17_C @ B @ A ) @ ( sK18_SY394 @ B @ A ) )
                & ( in @ ( sK18_SY394 @ B @ A ) @ A ) )
              | ( in @ ( sK17_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 @ ( sK16_D @ C @ B @ A ) )
                  & ( in @ ( sK16_D @ C @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[396]) ).

thf(620,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK15_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)],[395]) ).

thf(621,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[394]) ).

thf(622,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[233]) ).

thf(623,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[393]) ).

thf(624,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY392 @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ B @ A ) @ ( sK13_C @ B @ A ) ) @ A ) )
                  & ( ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY392 @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK14_SY392 @ B @ A ) @ ( sK13_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)],[392]) ).

thf(625,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)],[391]) ).

thf(626,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( ( ! [SY390: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ SY390 ) @ A )
                            | ~ ( in @ ( ordered_pair @ SY390 @ ( sK11_SY387 @ C @ B @ A ) ) @ B ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY387 @ C @ B @ A ) ) @ C ) )
                      & ( ( ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK12_SY391 @ C @ B @ A ) ) @ A )
                          & ( in @ ( ordered_pair @ ( sK12_SY391 @ C @ B @ A ) @ ( sK11_SY387 @ C @ B @ A ) ) @ B ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY387 @ 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 @ ( sK9_F @ E @ D @ C @ B @ A ) ) @ A )
                            & ( in @ ( ordered_pair @ ( sK9_F @ E @ D @ C @ B @ A ) @ E ) @ B ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[390]) ).

thf(627,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[228]) ).

thf(628,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[389]) ).

thf(629,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[388]) ).

thf(630,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[387]) ).

thf(631,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)],[386]) ).

thf(632,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[385]) ).

thf(633,plain,
    ( ( ! [A: $i] : ( element @ ( sK8_B @ A ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[384]) ).

thf(634,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[221]) ).

thf(635,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[220]) ).

thf(636,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[219]) ).

thf(637,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[218]) ).

thf(638,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[383]) ).

thf(639,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[216]) ).

thf(640,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[382]) ).

thf(641,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( empty @ A )
          | ( empty @ B )
          | ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[381]) ).

thf(642,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[380]) ).

thf(643,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[379]) ).

thf(644,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[378]) ).

thf(645,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)],[377]) ).

thf(646,plain,
    ( ( ! [A: $i] :
          ~ ( proper_subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[376]) ).

thf(647,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK7_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK7_B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[375]) ).

thf(648,plain,
    ( ( empty @ sK6_A )
    = $true ),
    inference(copy,[status(thm)],[374]) ).

thf(649,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK5_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK5_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[373]) ).

thf(650,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(copy,[status(thm)],[372]) ).

thf(651,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[371]) ).

thf(652,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)],[370]) ).

thf(653,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[369]) ).

thf(654,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[201]) ).

thf(655,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[368]) ).

thf(656,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[199]) ).

thf(657,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[367]) ).

thf(658,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK3_C @ B @ A ) @ A )
              | ~ ( in @ ( sK3_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK3_C @ B @ A ) @ A )
              | ( in @ ( sK3_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[366]) ).

thf(659,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[196]) ).

thf(660,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[195]) ).

thf(661,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[365]) ).

thf(662,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[364]) ).

thf(663,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[363]) ).

thf(664,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[362]) ).

thf(665,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[361]) ).

thf(666,plain,
    ( ( relation @ sK2_SY386 )
    = $true ),
    inference(copy,[status(thm)],[358]) ).

thf(667,plain,
    ( ( ~ ( subset @ ( relation_rng @ ( relation_dom_restriction @ sK2_SY386 @ sK1_A ) ) @ ( relation_rng @ sK2_SY386 ) ) )
    = $true ),
    inference(copy,[status(thm)],[360]) ).

thf(668,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ~ ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK15_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)],[620]) ).

thf(669,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)],[531]) ).

thf(670,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)],[549]) ).

thf(671,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ( ( sK31_C @ SX1 @ SX0 )
                         != SX0 )
                        | ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( ( sK31_C @ SX1 @ SX0 )
                          = SX0 )
                        | ( in @ ( sK31_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(672,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( in @ ( sK30_B @ SX0 ) @ SX0 )
                | ( SX0 = empty_set ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[612]) ).

thf(673,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK20_C @ SX1 @ SX0 ) @ SX2 ) @ SX0 )
                            | ~ ( in @ ( sK20_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SX1 @ SX0 ) @ ( sK21_SY396 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK20_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 @ ( sK19_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[618]) ).

thf(674,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)],[501]) ).

thf(675,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                        | ~ ( subset @ ( sK55_C @ SX1 @ SX0 ) @ SX0 ) )
                    | ~ ( ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                        | ( subset @ ( sK55_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)],[546]) ).

thf(676,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)],[504]) ).

thf(677,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)],[520]) ).

thf(678,plain,
    ( ( ~ ( ( ( relation_dom @ empty_set )
           != empty_set )
          | ( ( relation_rng @ empty_set )
           != empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[528]) ).

thf(679,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ~ ( relation @ SX2 )
                    | ~ ( ~ ( ~ ( in @ ( sK59_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                            | ~ ( in @ ( ordered_pair @ ( sK59_D @ SX2 @ SX1 @ SX0 ) @ ( sK60_SY425 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( ordered_pair @ ( sK59_D @ SX2 @ SX1 @ SX0 ) @ ( sK60_SY425 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK59_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                  | ( in @ ( ordered_pair @ ( sK59_D @ SX2 @ SX1 @ SX0 ) @ ( sK60_SY425 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SX2 @ SX1 @ SX0 ) @ ( sK60_SY425 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                  | ( in @ ( ordered_pair @ ( sK59_D @ SX2 @ SX1 @ SX0 ) @ ( sK60_SY425 @ 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)],[544]) ).

thf(680,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)],[532]) ).

thf(681,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)],[589]) ).

thf(682,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SX1 @ SX0 ) @ ( sK54_SY421 @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( ordered_pair @ ( sK53_C @ SX1 @ SX0 ) @ ( sK54_SY421 @ SX1 @ SX0 ) ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SX1 @ SX0 ) @ ( sK54_SY421 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( ordered_pair @ ( sK53_C @ SX1 @ SX0 ) @ ( sK54_SY421 @ 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)],[547]) ).

thf(683,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)],[599]) ).

thf(684,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)],[517]) ).

thf(685,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)],[518]) ).

thf(686,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( relation @ SX1 )
              | ~ ( ~ ! [SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( ~ ( ! [SX3: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SX2 @ SX1 @ SX0 ) @ SX3 ) @ SX0 )
                                    | ~ ( in @ ( ordered_pair @ SX3 @ ( sK11_SY387 @ SX2 @ SX1 @ SX0 ) ) @ SX1 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK10_D @ SX2 @ SX1 @ SX0 ) @ ( sK11_SY387 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SX2 @ SX1 @ SX0 ) @ ( sK12_SY391 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                    | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SX2 @ SX1 @ SX0 ) @ ( sK11_SY387 @ SX2 @ SX1 @ SX0 ) ) @ SX1 ) )
                                | ( in @ ( ordered_pair @ ( sK10_D @ SX2 @ SX1 @ SX0 ) @ ( sK11_SY387 @ 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 @ ( sK9_F @ SX4 @ SX3 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                      | ~ ( in @ ( ordered_pair @ ( sK9_F @ SX4 @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX4 ) @ SX1 ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[626]) ).

thf(687,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)],[577]) ).

thf(688,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)],[583]) ).

thf(689,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ( in @ ( sK39_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)],[593]) ).

thf(690,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)],[600]) ).

thf(691,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)],[511]) ).

thf(692,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ~ ( ~ ( in @ ( sK40_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( sK40_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)],[587]) ).

thf(693,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)],[569]) ).

thf(694,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK28_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) )
                            | ~ ( ~ ( in @ ( sK28_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK28_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ~ ( ( in @ ( sK28_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( in @ ( sK28_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK28_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)],[615]) ).

thf(695,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)],[519]) ).

thf(696,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)],[581]) ).

thf(697,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)],[579]) ).

thf(698,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SX1 @ SX0 ) @ ( sK52_SY420 @ SX1 @ SX0 ) ) @ SX0 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SX1 @ SX0 ) @ ( sK52_SY420 @ 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)],[548]) ).

thf(699,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY392 @ SX1 @ SX0 ) ) @ SX1 )
                            | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SX1 @ SX0 ) @ ( sK13_C @ SX1 @ SX0 ) ) @ SX0 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY392 @ SX1 @ SX0 ) ) @ SX1 )
                            | ( in @ ( ordered_pair @ ( sK14_SY392 @ SX1 @ SX0 ) @ ( sK13_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)],[624]) ).

thf(700,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)],[597]) ).

thf(701,plain,
    ( ( ~ ( ~ ~ ( empty @ sK45_A )
          | ~ ( relation @ sK45_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[567]) ).

thf(702,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)],[536]) ).

thf(703,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)],[584]) ).

thf(704,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( relation @ SX1 )
                | ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                         != ( sK36_SY405 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
                    | ~ ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                                = ( sK36_SY405 @ SX1 @ SX0 ) )
                              | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
                          | ~ ( ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                              | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ 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)],[609]) ).

thf(705,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)],[500]) ).

thf(706,plain,
    ( ( ~ ( ~ ( empty @ sK46_A )
          | ~ ( relation @ sK46_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[566]) ).

thf(707,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ! [SX3: $i,SX4: $i] :
                              ( ~ ( in @ SX3 @ SX0 )
                              | ~ ( in @ SX4 @ SX1 )
                              | ( ( sK25_D @ SX2 @ SX1 @ SX0 )
                               != ( ordered_pair @ SX3 @ SX4 ) ) )
                          | ~ ( in @ ( sK25_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ( in @ ( sK27_SY402 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                              | ( ( sK25_D @ SX2 @ SX1 @ SX0 )
                               != ( ordered_pair @ ( sK26_SY400 @ SX2 @ SX1 @ SX0 ) @ ( sK27_SY402 @ SX2 @ SX1 @ SX0 ) ) ) )
                          | ( in @ ( sK25_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 @ ( sK23_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                      | ~ ( in @ ( sK24_SY397 @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                                | ( SX3
                                 != ( ordered_pair @ ( sK23_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ ( sK24_SY397 @ SX3 @ SX2 @ SX1 @ SX0 ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[616]) ).

thf(708,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)],[625]) ).

thf(709,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK29_D @ SX2 @ SX1 @ SX0 )
                                 != SX0 ) )
                            | ~ ( ~ ( in @ ( sK29_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK29_D @ SX2 @ SX1 @ SX0 )
                                 != SX1 ) ) )
                      | ~ ( ( in @ ( sK29_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( ( sK29_D @ SX2 @ SX1 @ SX0 )
                            = SX0 )
                          | ( ( sK29_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)],[614]) ).

thf(710,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                          ( ( sK58_B @ SX0 )
                         != ( ordered_pair @ SX1 @ SX2 ) )
                    | ~ ( in @ ( sK58_B @ SX0 ) @ SX0 ) )
                | ( relation @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ! [SX1: $i] :
                    ( ( SX1
                      = ( ordered_pair @ ( sK56_C @ SX1 @ SX0 ) @ ( sK57_SY422 @ SX1 @ SX0 ) ) )
                    | ~ ( in @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[545]) ).

thf(711,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK3_C @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( in @ ( sK3_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( in @ ( sK3_C @ SX1 @ SX0 ) @ SX0 )
                  | ( in @ ( sK3_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[658]) ).

thf(712,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)],[613]) ).

thf(713,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)],[502]) ).

thf(714,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX1 @ ( sK43_B @ SX0 ) )
                  | ( are_equipotent @ SX1 @ ( sK43_B @ SX0 ) )
                  | ( in @ SX1 @ ( sK43_B @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ~ ! [SX2: $i] :
                                  ( ~ ( subset @ SX2 @ SX1 )
                                  | ( in @ SX2 @ ( sK44_SY413 @ SX1 @ SX0 ) ) )
                            | ~ ( in @ ( sK44_SY413 @ SX1 @ SX0 ) @ ( sK43_B @ SX0 ) ) )
                        | ~ ( in @ SX1 @ ( sK43_B @ SX0 ) ) )
                  | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                              ( ~ ( in @ SX1 @ ( sK43_B @ SX0 ) )
                              | ~ ( subset @ SX2 @ SX1 )
                              | ( in @ SX2 @ ( sK43_B @ SX0 ) ) )
                        | ~ ( in @ SX0 @ ( sK43_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[570]) ).

thf(715,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ~ ( ~ ( element @ ( sK7_B @ SX0 ) @ ( powerset @ SX0 ) )
              | ~ ~ ( empty @ ( sK7_B @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[647]) ).

thf(716,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( element @ ( sK5_B @ SX0 ) @ ( powerset @ SX0 ) )
            | ~ ( empty @ ( sK5_B @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[649]) ).

thf(717,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 = empty_set )
                      | ! [SX1: $i] :
                          ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SX1 @ SX0 ) @ SX0 )
                                      | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ ( sK34_SY403 @ SX1 @ SX0 ) ) )
                                  | ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
                              | ~ ( ! [SX2: $i] :
                                      ( ~ ( in @ SX2 @ SX0 )
                                      | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX2 ) )
                                  | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) ) )
                          | ( SX1
                            = ( set_meet @ SX0 ) ) ) )
                | ~ ! [SX0: $i] :
                      ( ( SX0 = empty_set )
                      | ! [SX1: $i] :
                          ( ( SX1
                           != ( set_meet @ SX0 ) )
                          | ~ ( ~ ! [SX2: $i] :
                                    ( ~ ( ~ ( in @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                        | ~ ~ ( in @ SX2 @ ( sK32_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(718,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)],[543]) ).

thf(719,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)],[556]) ).

thf(720,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( relation_dom @ ( identity_relation @ SX0 ) )
                = SX0 )
          | ~ ! [SX0: $i] :
                ( ( relation_rng @ ( identity_relation @ SX0 ) )
                = SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[534]) ).

thf(721,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK42_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK42_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[578]) ).

thf(722,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)],[551]) ).

thf(723,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)],[564]) ).

thf(724,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK22_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)],[617]) ).

thf(725,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_dom @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_dom @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[562]) ).

thf(726,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ SX2 @ ( sK48_C @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( sK48_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SX1 @ SX0 ) @ ( sK48_C @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK48_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 @ ( sK47_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[550]) ).

thf(727,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ! [SX2: $i] :
                            ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX2 )
                            | ~ ( in @ SX2 @ SX0 ) )
                        | ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ~ ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ ( sK18_SY394 @ SX1 @ SX0 ) )
                            | ~ ( in @ ( sK18_SY394 @ SX1 @ SX0 ) @ SX0 ) )
                        | ( in @ ( sK17_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 @ ( sK16_D @ SX2 @ SX1 @ SX0 ) )
                              | ~ ( in @ ( sK16_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[619]) ).

thf(728,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_rng @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_rng @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[563]) ).

thf(729,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)],[521]) ).

thf(730,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)],[585]) ).

thf(731,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[559]) ).

thf(732,plain,
    ! [SV1: $i] :
      ( ( ! [SY426: $i] :
            ( ~ ( in @ SV1 @ SY426 )
            | ( subset @ SV1 @ ( union @ SY426 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[503]) ).

thf(733,plain,
    ! [SV2: $i] :
      ( ( ! [SY427: $i,SY428: $i,SY429: $i] :
            ( ~ ( subset @ SV2 @ SY427 )
            | ~ ( subset @ SY428 @ SY429 )
            | ( subset @ ( cartesian_product2 @ SV2 @ SY428 ) @ ( cartesian_product2 @ SY427 @ SY429 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[505]) ).

thf(734,plain,
    ! [SV3: $i] :
      ( ( ! [SY430: $i] :
            ( ~ ( subset @ SV3 @ SY430 )
            | ( ( set_union2 @ SV3 @ SY430 )
              = SY430 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[506]) ).

thf(735,plain,
    ! [SV4: $i] :
      ( ( ! [SY431: $i] : ( subset @ ( set_intersection2 @ SV4 @ SY431 ) @ SV4 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[507]) ).

thf(736,plain,
    ! [SV5: $i] :
      ( ( ! [SY432: $i,SY433: $i] :
            ( ~ ( subset @ SV5 @ SY432 )
            | ~ ( subset @ SV5 @ SY433 )
            | ( subset @ SV5 @ ( set_intersection2 @ SY432 @ SY433 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[508]) ).

thf(737,plain,
    ! [SV6: $i] :
      ( ( ! [SY434: $i,SY435: $i] :
            ( ~ ( subset @ SV6 @ SY434 )
            | ~ ( subset @ SY434 @ SY435 )
            | ( subset @ SV6 @ SY435 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[509]) ).

thf(738,plain,
    ! [SV7: $i] :
      ( ( ~ ( relation @ SV7 )
        | ( subset @ SV7 @ ( cartesian_product2 @ ( relation_dom @ SV7 ) @ ( relation_rng @ SV7 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[510]) ).

thf(739,plain,
    ! [SV8: $i] :
      ( ( ! [SY436: $i] :
            ( ~ ( subset @ SV8 @ SY436 )
            | ! [SY437: $i] : ( subset @ ( set_intersection2 @ SV8 @ SY437 ) @ ( set_intersection2 @ SY436 @ SY437 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[512]) ).

thf(740,plain,
    ! [SV9: $i] :
      ( ( ! [SY438: $i] :
            ( ~ ( subset @ SV9 @ SY438 )
            | ( ( set_intersection2 @ SV9 @ SY438 )
              = SV9 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[513]) ).

thf(741,plain,
    ! [SV10: $i] :
      ( ( subset @ empty_set @ SV10 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[514]) ).

thf(742,plain,
    ! [SV11: $i] :
      ( ( ! [SY439: $i] :
            ( ~ ( subset @ SV11 @ SY439 )
            | ! [SY440: $i] : ( subset @ ( set_difference @ SV11 @ SY440 ) @ ( set_difference @ SY439 @ SY440 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[515]) ).

thf(743,plain,
    ! [SV12: $i] :
      ( ( ! [SY441: $i] : ( subset @ ( set_difference @ SV12 @ SY441 ) @ SV12 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[516]) ).

thf(744,plain,
    ! [SV13: $i] :
      ( ( ~ ( subset @ SV13 @ empty_set )
        | ( SV13 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[522]) ).

thf(745,plain,
    ! [SV14: $i] :
      ( ( ~ ( relation @ SV14 )
        | ! [SY442: $i] :
            ( ~ ( relation @ SY442 )
            | ( subset @ ( relation_dom @ ( relation_composition @ SV14 @ SY442 ) ) @ ( relation_dom @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[523]) ).

thf(746,plain,
    ! [SV15: $i] :
      ( ( ~ ( relation @ SV15 )
        | ! [SY443: $i] :
            ( ~ ( relation @ SY443 )
            | ( subset @ ( relation_rng @ ( relation_composition @ SV15 @ SY443 ) ) @ ( relation_rng @ SY443 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[524]) ).

thf(747,plain,
    ! [SV16: $i] :
      ( ( ! [SY444: $i] :
            ( ~ ( subset @ SV16 @ SY444 )
            | ( SY444
              = ( set_union2 @ SV16 @ ( set_difference @ SY444 @ SV16 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[525]) ).

thf(748,plain,
    ! [SV17: $i] :
      ( ( ~ ( relation @ SV17 )
        | ! [SY445: $i] :
            ( ~ ( relation @ SY445 )
            | ~ ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SY445 ) )
            | ( ( relation_dom @ ( relation_composition @ SV17 @ SY445 ) )
              = ( relation_dom @ SV17 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[526]) ).

thf(749,plain,
    ! [SV18: $i] :
      ( ( ~ ( relation @ SV18 )
        | ! [SY446: $i] :
            ( ~ ( relation @ SY446 )
            | ~ ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SY446 ) )
            | ( ( relation_rng @ ( relation_composition @ SY446 @ SV18 ) )
              = ( relation_rng @ SV18 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[527]) ).

thf(750,plain,
    ! [SV19: $i] :
      ( ( ! [SY447: $i] :
            ( ~ ( proper_subset @ SY447 @ SV19 )
            | ~ ( subset @ SV19 @ SY447 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[529]) ).

thf(751,plain,
    ! [SV20: $i] :
      ( ( ! [SY448: $i,SY449: $i] :
            ( ~ ( disjoint @ SY448 @ SY449 )
            | ~ ( subset @ SV20 @ SY448 )
            | ( disjoint @ SV20 @ SY449 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[530]) ).

thf(752,plain,
    ! [SV21: $i] :
      ( ( ! [SY450: $i] :
            ( ~ ( subset @ ( singleton @ SV21 ) @ ( singleton @ SY450 ) )
            | ( SV21 = SY450 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[533]) ).

thf(753,plain,
    ! [SV22: $i] :
      ( ( ! [SY451: $i] : ( subset @ SV22 @ ( set_union2 @ SV22 @ SY451 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[535]) ).

thf(754,plain,
    ! [SV23: $i] :
      ( ( ! [SY452: $i] :
            ( ~ ( relation @ SY452 )
            | ( subset @ ( relation_dom_restriction @ SY452 @ SV23 ) @ SY452 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[537]) ).

thf(755,plain,
    ! [SV24: $i] :
      ( ( ! [SY453: $i,SY454: $i] :
            ( ~ ( subset @ SV24 @ SY453 )
            | ~ ( subset @ SY454 @ SY453 )
            | ( subset @ ( set_union2 @ SV24 @ SY454 ) @ SY453 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[538]) ).

thf(756,plain,
    ! [SV25: $i] :
      ( ( ! [SY455: $i] :
            ( ~ ( relation @ SY455 )
            | ( ( relation_dom @ ( relation_dom_restriction @ SY455 @ SV25 ) )
              = ( set_intersection2 @ ( relation_dom @ SY455 ) @ SV25 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[539]) ).

thf(757,plain,
    ! [SV26: $i] :
      ( ( ! [SY456: $i] :
            ( ~ ( in @ SV26 @ SY456 )
            | ( subset @ SV26 @ ( union @ SY456 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[540]) ).

thf(758,plain,
    ! [SV27: $i] :
      ( ( ! [SY457: $i] :
            ( ~ ( relation @ SY457 )
            | ( ( relation_dom_restriction @ SY457 @ SV27 )
              = ( relation_composition @ ( identity_relation @ SV27 ) @ SY457 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[541]) ).

thf(759,plain,
    ! [SV28: $i] :
      ( ( ~ ( empty @ SV28 )
        | ( relation @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[542]) ).

thf(760,plain,
    ! [SV29: $i] :
      ( ( ~ ( relation @ SV29 )
        | ( relation @ ( relation_inverse @ SV29 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[552]) ).

thf(761,plain,
    ! [SV30: $i] :
      ( ( ! [SY458: $i] :
            ( ~ ( relation @ SV30 )
            | ~ ( relation @ SY458 )
            | ( relation @ ( relation_composition @ SV30 @ SY458 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[553]) ).

thf(762,plain,
    ! [SV31: $i] :
      ( ( relation @ ( identity_relation @ SV31 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[554]) ).

thf(763,plain,
    ! [SV32: $i] :
      ( ( ~ ( relation @ SV32 )
        | ! [SY459: $i] : ( relation @ ( relation_dom_restriction @ SV32 @ SY459 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[555]) ).

thf(764,plain,
    ! [SV33: $i] :
      ( ( ! [SY460: $i] :
            ( ~ ( relation @ SV33 )
            | ~ ( relation @ SY460 )
            | ( relation @ ( set_intersection2 @ SV33 @ SY460 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[557]) ).

thf(765,plain,
    ! [SV34: $i] :
      ( ( ! [SY461: $i] :
            ( ~ ( relation @ SV34 )
            | ~ ( relation @ SY461 )
            | ( relation @ ( set_union2 @ SV34 @ SY461 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[558]) ).

thf(766,plain,
    ! [SV35: $i] :
      ( ( ( empty @ SV35 )
        | ~ ( relation @ SV35 )
        | ~ ( empty @ ( relation_dom @ SV35 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[560]) ).

thf(767,plain,
    ! [SV36: $i] :
      ( ( ( empty @ SV36 )
        | ~ ( relation @ SV36 )
        | ~ ( empty @ ( relation_rng @ SV36 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[561]) ).

thf(768,plain,
    ! [SV37: $i] :
      ( ( ~ ( relation @ SV37 )
        | ( ( relation_inverse @ ( relation_inverse @ SV37 ) )
          = SV37 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[565]) ).

thf(769,plain,
    ! [SV38: $i] :
      ( ( subset @ SV38 @ SV38 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[568]) ).

thf(770,plain,
    ! [SV39: $i] :
      ( ( ( ( singleton @ SV39 )
         != empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[571]) ).

thf(771,plain,
    ! [SV40: $i] :
      ( ( ! [SY462: $i] :
            ( ~ ( in @ SV40 @ SY462 )
            | ( ( set_union2 @ ( singleton @ SV40 ) @ SY462 )
              = SY462 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[572]) ).

thf(772,plain,
    ! [SV41: $i] :
      ( ( ! [SY463: $i] :
            ( ~ ( disjoint @ ( singleton @ SV41 ) @ SY463 )
            | ~ ( in @ SV41 @ SY463 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[573]) ).

thf(773,plain,
    ! [SV42: $i] :
      ( ( ! [SY464: $i] :
            ( ( in @ SV42 @ SY464 )
            | ( disjoint @ ( singleton @ SV42 ) @ SY464 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[574]) ).

thf(774,plain,
    ! [SV43: $i] :
      ( ( ! [SY465: $i] :
            ( ~ ( element @ SY465 @ ( powerset @ SV43 ) )
            | ! [SY466: $i] :
                ( ~ ( in @ SY466 @ SY465 )
                | ( in @ SY466 @ SV43 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[575]) ).

thf(775,plain,
    ! [SV44: $i] :
      ( ( ! [SY467: $i] :
            ( ~ ( subset @ SV44 @ SY467 )
            | ! [SY468: $i] :
                ( ( in @ SY468 @ SV44 )
                | ( subset @ SV44 @ ( set_difference @ SY467 @ ( singleton @ SY468 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[576]) ).

thf(776,plain,
    ! [SV45: $i] :
      ( ( ! [SY469: $i,SY470: $i,SY471: $i] :
            ( ( SV45 = SY471 )
            | ( SV45 = SY470 )
            | ( ( unordered_pair @ SV45 @ SY469 )
             != ( unordered_pair @ SY470 @ SY471 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[580]) ).

thf(777,plain,
    ! [SV46: $i] :
      ( ( ! [SY472: $i] :
            ( ( set_union2 @ SV46 @ ( set_difference @ SY472 @ SV46 ) )
            = ( set_union2 @ SV46 @ SY472 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[586]) ).

thf(778,plain,
    ! [SV47: $i] :
      ( ( ! [SY473: $i] :
            ( ( set_difference @ ( set_union2 @ SV47 @ SY473 ) @ SY473 )
            = ( set_difference @ SV47 @ SY473 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[588]) ).

thf(779,plain,
    ! [SV48: $i] :
      ( ( ! [SY474: $i] :
            ( ~ ( element @ SY474 @ ( powerset @ ( powerset @ SV48 ) ) )
            | ( SY474 = empty_set )
            | ( ( complements_of_subsets @ SV48 @ SY474 )
             != empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[590]) ).

thf(780,plain,
    ! [SV49: $i] :
      ( ( ! [SY475: $i] :
            ( ~ ( in @ SV49 @ SY475 )
            | ( ( set_union2 @ ( singleton @ SV49 ) @ SY475 )
              = SY475 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[591]) ).

thf(781,plain,
    ! [SV50: $i] :
      ( ( ! [SY476: $i] :
            ( ( set_difference @ SV50 @ ( set_difference @ SV50 @ SY476 ) )
            = ( set_intersection2 @ SV50 @ SY476 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[592]) ).

thf(782,plain,
    ! [SV51: $i] :
      ( ( ( SV51 = empty_set )
        | ! [SY477: $i] :
            ( ~ ( element @ SY477 @ ( powerset @ SV51 ) )
            | ! [SY478: $i] :
                ( ~ ( element @ SY478 @ SV51 )
                | ( in @ SY478 @ SY477 )
                | ( in @ SY478 @ ( subset_complement @ SV51 @ SY477 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[594]) ).

thf(783,plain,
    ! [SV52: $i] :
      ( ( ! [SY479: $i,SY480: $i] :
            ( ~ ( element @ SY480 @ ( powerset @ SV52 ) )
            | ~ ( in @ SY479 @ ( subset_complement @ SV52 @ SY480 ) )
            | ~ ( in @ SY479 @ SY480 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[595]) ).

thf(784,plain,
    ! [SV53: $i] :
      ( ( ~ ( relation @ SV53 )
        | ( in @ ( ordered_pair @ ( sK37_B @ SV53 ) @ ( sK38_SY406 @ SV53 ) ) @ SV53 )
        | ( SV53 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[596]) ).

thf(785,plain,
    ! [SV54: $i] :
      ( ( ( unordered_pair @ SV54 @ SV54 )
        = ( singleton @ SV54 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[598]) ).

thf(786,plain,
    ! [SV55: $i] :
      ( ( ! [SY481: $i] :
            ( ! [SY482: $i] :
                ( ( singleton @ SV55 )
               != ( unordered_pair @ SY481 @ SY482 ) )
            | ( SV55 = SY481 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[601]) ).

thf(787,plain,
    ! [SV56: $i] :
      ( ( ( union @ ( powerset @ SV56 ) )
        = SV56 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[602]) ).

thf(788,plain,
    ! [SV57: $i] :
      ( ( ! [SY483: $i,SY484: $i] :
            ( ( ( singleton @ SV57 )
             != ( unordered_pair @ SY483 @ SY484 ) )
            | ( SY483 = SY484 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[603]) ).

thf(789,plain,
    ! [SV58: $i] :
      ( ( ! [SY485: $i] :
            ( ~ ( in @ SV58 @ SY485 )
            | ~ ( in @ SY485 @ SV58 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[604]) ).

thf(790,plain,
    ! [SV59: $i] :
      ( ( ! [SY486: $i] :
            ( ~ ( proper_subset @ SV59 @ SY486 )
            | ~ ( proper_subset @ SY486 @ SV59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[605]) ).

thf(791,plain,
    ! [SV60: $i] :
      ( ( ! [SY487: $i] :
            ( ( unordered_pair @ SV60 @ SY487 )
            = ( unordered_pair @ SY487 @ SV60 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[606]) ).

thf(792,plain,
    ! [SV61: $i] :
      ( ( ! [SY488: $i] :
            ( ( set_union2 @ SV61 @ SY488 )
            = ( set_union2 @ SY488 @ SV61 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[607]) ).

thf(793,plain,
    ! [SV62: $i] :
      ( ( ! [SY489: $i] :
            ( ( set_intersection2 @ SV62 @ SY489 )
            = ( set_intersection2 @ SY489 @ SV62 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[608]) ).

thf(794,plain,
    ! [SV63: $i] :
      ( ( ! [SY490: $i] :
            ( ~ ( element @ SY490 @ ( powerset @ SV63 ) )
            | ( ( subset_complement @ SV63 @ SY490 )
              = ( set_difference @ SV63 @ SY490 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[621]) ).

thf(795,plain,
    ! [SV64: $i] :
      ( ( ! [SY491: $i] :
            ( ( ordered_pair @ SV64 @ SY491 )
            = ( unordered_pair @ ( unordered_pair @ SV64 @ SY491 ) @ ( singleton @ SV64 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[622]) ).

thf(796,plain,
    ! [SV65: $i] :
      ( ( ~ ( relation @ SV65 )
        | ( ( relation_field @ SV65 )
          = ( set_union2 @ ( relation_dom @ SV65 ) @ ( relation_rng @ SV65 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[623]) ).

thf(797,plain,
    ! [SV66: $i] :
      ( ( element @ ( cast_to_subset @ SV66 ) @ ( powerset @ SV66 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[627]) ).

thf(798,plain,
    ! [SV67: $i] :
      ( ( ! [SY492: $i] :
            ( ~ ( element @ SY492 @ ( powerset @ SV67 ) )
            | ( element @ ( subset_complement @ SV67 @ SY492 ) @ ( powerset @ SV67 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[628]) ).

thf(799,plain,
    ! [SV68: $i] :
      ( ( ! [SY493: $i] :
            ( ~ ( element @ SY493 @ ( powerset @ ( powerset @ SV68 ) ) )
            | ( element @ ( union_of_subsets @ SV68 @ SY493 ) @ ( powerset @ SV68 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[629]) ).

thf(800,plain,
    ! [SV69: $i] :
      ( ( ! [SY494: $i] :
            ( ~ ( element @ SY494 @ ( powerset @ ( powerset @ SV69 ) ) )
            | ( element @ ( meet_of_subsets @ SV69 @ SY494 ) @ ( powerset @ SV69 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[630]) ).

thf(801,plain,
    ! [SV70: $i] :
      ( ( ! [SY495: $i,SY496: $i] :
            ( ~ ( element @ SY495 @ ( powerset @ SV70 ) )
            | ~ ( element @ SY496 @ ( powerset @ SV70 ) )
            | ( element @ ( subset_difference @ SV70 @ SY495 @ SY496 ) @ ( powerset @ SV70 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[631]) ).

thf(802,plain,
    ! [SV71: $i] :
      ( ( ! [SY497: $i] :
            ( ~ ( element @ SY497 @ ( powerset @ ( powerset @ SV71 ) ) )
            | ( element @ ( complements_of_subsets @ SV71 @ SY497 ) @ ( powerset @ ( powerset @ SV71 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[632]) ).

thf(803,plain,
    ! [SV72: $i] :
      ( ( element @ ( sK8_B @ SV72 ) @ SV72 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[633]) ).

thf(804,plain,
    ! [SV73: $i] :
      ( ( ~ ( empty @ ( powerset @ SV73 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[634]) ).

thf(805,plain,
    ! [SV74: $i] :
      ( ( ! [SY498: $i] :
            ~ ( empty @ ( ordered_pair @ SV74 @ SY498 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[636]) ).

thf(806,plain,
    ! [SV75: $i] :
      ( ( ~ ( empty @ ( singleton @ SV75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[637]) ).

thf(807,plain,
    ! [SV76: $i] :
      ( ( ( empty @ SV76 )
        | ! [SY499: $i] :
            ~ ( empty @ ( set_union2 @ SV76 @ SY499 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[638]) ).

thf(808,plain,
    ! [SV77: $i] :
      ( ( ! [SY500: $i] :
            ~ ( empty @ ( unordered_pair @ SV77 @ SY500 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[639]) ).

thf(809,plain,
    ! [SV78: $i] :
      ( ( ( empty @ SV78 )
        | ! [SY501: $i] :
            ~ ( empty @ ( set_union2 @ SY501 @ SV78 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[640]) ).

thf(810,plain,
    ! [SV79: $i] :
      ( ( ! [SY502: $i] :
            ( ( empty @ SV79 )
            | ( empty @ SY502 )
            | ~ ( empty @ ( cartesian_product2 @ SV79 @ SY502 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[641]) ).

thf(811,plain,
    ! [SV80: $i] :
      ( ( ( set_union2 @ SV80 @ SV80 )
        = SV80 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[642]) ).

thf(812,plain,
    ! [SV81: $i] :
      ( ( ( set_intersection2 @ SV81 @ SV81 )
        = SV81 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[643]) ).

thf(813,plain,
    ! [SV82: $i] :
      ( ( ! [SY503: $i] :
            ( ~ ( element @ SY503 @ ( powerset @ SV82 ) )
            | ( ( subset_complement @ SV82 @ ( subset_complement @ SV82 @ SY503 ) )
              = SY503 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[644]) ).

thf(814,plain,
    ! [SV83: $i] :
      ( ( ! [SY504: $i] :
            ( ~ ( element @ SY504 @ ( powerset @ ( powerset @ SV83 ) ) )
            | ( ( complements_of_subsets @ SV83 @ ( complements_of_subsets @ SV83 @ SY504 ) )
              = SY504 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[645]) ).

thf(815,plain,
    ! [SV84: $i] :
      ( ( ~ ( proper_subset @ SV84 @ SV84 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[646]) ).

thf(816,plain,
    ( ( empty @ sK4_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[650]) ).

thf(817,plain,
    ! [SV85: $i] :
      ( ( ! [SY505: $i] :
            ( ~ ( element @ SY505 @ ( powerset @ ( powerset @ SV85 ) ) )
            | ( ( union_of_subsets @ SV85 @ SY505 )
              = ( union @ SY505 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[651]) ).

thf(818,plain,
    ! [SV86: $i] :
      ( ( ! [SY506: $i,SY507: $i] :
            ( ~ ( element @ SY506 @ ( powerset @ SV86 ) )
            | ~ ( element @ SY507 @ ( powerset @ SV86 ) )
            | ( ( subset_difference @ SV86 @ SY506 @ SY507 )
              = ( set_difference @ SY506 @ SY507 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[652]) ).

thf(819,plain,
    ! [SV87: $i] :
      ( ( ! [SY508: $i] :
            ( ~ ( disjoint @ SV87 @ SY508 )
            | ( disjoint @ SY508 @ SV87 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[653]) ).

thf(820,plain,
    ! [SV88: $i] :
      ( ( ( set_union2 @ SV88 @ empty_set )
        = SV88 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[654]) ).

thf(821,plain,
    ! [SV89: $i] :
      ( ( ! [SY509: $i] :
            ( ~ ( in @ SV89 @ SY509 )
            | ( element @ SV89 @ SY509 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[655]) ).

thf(822,plain,
    ! [SV90: $i] :
      ( ( ( set_intersection2 @ SV90 @ empty_set )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[656]) ).

thf(823,plain,
    ! [SV91: $i] :
      ( ( ! [SY510: $i] :
            ( ~ ( element @ SV91 @ SY510 )
            | ( empty @ SY510 )
            | ( in @ SV91 @ SY510 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[657]) ).

thf(824,plain,
    ! [SV92: $i] :
      ( ( ( set_difference @ SV92 @ empty_set )
        = SV92 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[659]) ).

thf(825,plain,
    ! [SV93: $i] :
      ( ( ( set_difference @ empty_set @ SV93 )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[660]) ).

thf(826,plain,
    ! [SV94: $i] :
      ( ( ! [SY511: $i,SY512: $i] :
            ( ~ ( element @ SY511 @ ( powerset @ SY512 ) )
            | ~ ( in @ SV94 @ SY511 )
            | ( element @ SV94 @ SY512 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[661]) ).

thf(827,plain,
    ! [SV95: $i] :
      ( ( ! [SY513: $i,SY514: $i] :
            ( ~ ( element @ SY513 @ ( powerset @ SY514 ) )
            | ~ ( in @ SV95 @ SY513 )
            | ~ ( empty @ SY514 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[662]) ).

thf(828,plain,
    ! [SV96: $i] :
      ( ( ~ ( empty @ SV96 )
        | ( SV96 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[663]) ).

thf(829,plain,
    ! [SV97: $i] :
      ( ( ! [SY515: $i] :
            ( ~ ( empty @ SY515 )
            | ~ ( in @ SV97 @ SY515 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[664]) ).

thf(830,plain,
    ! [SV98: $i] :
      ( ( ! [SY516: $i] :
            ( ( SV98 = SY516 )
            | ~ ( empty @ SV98 )
            | ~ ( empty @ SY516 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[665]) ).

thf(831,plain,
    ( ( subset @ ( relation_rng @ ( relation_dom_restriction @ sK2_SY386 @ sK1_A ) ) @ ( relation_rng @ sK2_SY386 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[667]) ).

thf(832,plain,
    ! [SV99: $i] :
      ( ( ~ ( ~ ! [SY517: $i,SY518: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                          | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                          | ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                                | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                            | ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                                | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) ) ) )
                  | ( SY518
                    = ( set_difference @ SV99 @ SY517 ) ) )
            | ~ ! [SY519: $i,SY520: $i] :
                  ( ( SY520
                   != ( set_difference @ SV99 @ SY519 ) )
                  | ~ ( ~ ! [SY521: $i] :
                            ( ~ ( in @ SY521 @ SV99 )
                            | ( in @ SY521 @ SY519 )
                            | ( in @ SY521 @ SY520 ) )
                      | ~ ~ ( ~ ! [SY522: $i] :
                                  ( ~ ( in @ SY522 @ SY520 )
                                  | ( in @ SY522 @ SV99 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY520 )
                                  | ~ ( in @ SX3 @ SY519 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[668]) ).

thf(833,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)],[669]) ).

thf(834,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)],[670]) ).

thf(835,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK31_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK31_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK31_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)],[671]) ).

thf(836,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK30_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[672]) ).

thf(837,plain,
    ! [SV100: $i] :
      ( ( ~ ( relation @ SV100 )
        | ~ ( ~ ! [SY524: $i] :
                  ( ~ ( ~ ( ! [SY525: $i] :
                              ~ ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ SY525 ) @ SV100 )
                          | ~ ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ ( sK21_SY396 @ SY524 @ SV100 ) ) @ SV100 )
                          | ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) ) )
                  | ( SY524
                    = ( relation_dom @ SV100 ) ) )
            | ~ ! [SY526: $i] :
                  ( ( SY526
                   != ( relation_dom @ SV100 ) )
                  | ~ ( ~ ! [SY527: $i] :
                            ( ! [SY528: $i] :
                                ~ ( in @ ( ordered_pair @ SY527 @ SY528 ) @ SV100 )
                            | ( in @ SY527 @ SY526 ) )
                      | ~ ! [SY529: $i] :
                            ( ~ ( in @ SY529 @ SY526 )
                            | ( in @ ( ordered_pair @ SY529 @ ( sK19_D @ SY529 @ SY526 @ SV100 ) ) @ SV100 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[673]) ).

thf(838,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)],[674]) ).

thf(839,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK55_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK55_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)],[675]) ).

thf(840,plain,
    ! [SV101: $i] :
      ( ( ~ ( ~ ! [SY530: $i] :
                  ( ~ ( subset @ SV101 @ SY530 )
                  | ! [SY531: $i] : ( subset @ ( cartesian_product2 @ SV101 @ SY531 ) @ ( cartesian_product2 @ SY530 @ SY531 ) ) )
            | ~ ! [SY532: $i] :
                  ( ~ ( subset @ SV101 @ SY532 )
                  | ! [SY533: $i] : ( subset @ ( cartesian_product2 @ SY533 @ SV101 ) @ ( cartesian_product2 @ SY533 @ SY532 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[676]) ).

thf(841,plain,
    ! [SV102: $i] :
      ( ( ~ ( ~ ! [SY534: $i,SY535: $i] :
                  ( ~ ( in @ SV102 @ SY535 )
                  | ~ ( in @ SY534 @ SY535 )
                  | ( subset @ ( unordered_pair @ SV102 @ SY534 ) @ SY535 ) )
            | ~ ~ ( ~ ! [SY536: $i,SY537: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV102 @ SY536 ) @ SY537 )
                        | ( in @ SV102 @ SY537 ) )
                  | ~ ! [SY538: $i,SY539: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV102 @ SY538 ) @ SY539 )
                        | ( in @ SY538 @ SY539 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[677]) ).

thf(842,plain,
    ( ( ( ( relation_dom @ empty_set )
       != empty_set )
      | ( ( relation_rng @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[678]) ).

thf(843,plain,
    ! [SV103: $i] :
      ( ( ~ ( relation @ SV103 )
        | ~ ( ~ ! [SY540: $i,SY541: $i] :
                  ( ~ ( relation @ SY541 )
                  | ~ ( ~ ( ~ ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                          | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                          | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                                | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                            | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                                | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) ) ) )
                  | ( SY541
                    = ( relation_dom_restriction @ SV103 @ SY540 ) ) )
            | ~ ! [SY542: $i,SY543: $i] :
                  ( ~ ( relation @ SY543 )
                  | ( SY543
                   != ( relation_dom_restriction @ SV103 @ SY542 ) )
                  | ~ ( ~ ! [SY544: $i,SY545: $i] :
                            ( ~ ( in @ SY544 @ SY542 )
                            | ~ ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SV103 )
                            | ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SY543 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ! [SX4: $i] :
                                      ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY543 )
                                  | ( in @ SX3 @ SY542 ) )
                            | ~ ! [SY548: $i,SY549: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SY543 )
                                  | ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SV103 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[679]) ).

thf(844,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)],[680]) ).

thf(845,plain,
    ! [SV104: $i] :
      ( ( ! [SY550: $i] :
            ( ~ ( element @ SY550 @ ( powerset @ SV104 ) )
            | ~ ( ~ ! [SY551: $i] :
                      ( ~ ( element @ SY551 @ ( powerset @ SV104 ) )
                      | ~ ( disjoint @ SY550 @ SY551 )
                      | ( subset @ SY550 @ ( subset_complement @ SV104 @ SY551 ) ) )
                | ~ ! [SY552: $i] :
                      ( ~ ( element @ SY552 @ ( powerset @ SV104 ) )
                      | ~ ( subset @ SY550 @ ( subset_complement @ SV104 @ SY552 ) )
                      | ( disjoint @ SY550 @ SY552 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[681]) ).

thf(846,plain,
    ! [SV105: $i] :
      ( ( ~ ( relation @ SV105 )
        | ~ ( ~ ! [SY553: $i] :
                  ( ~ ( relation @ SY553 )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                          | ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                          | ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) ) )
                  | ( SV105 = SY553 ) )
            | ~ ! [SY554: $i] :
                  ( ~ ( relation @ SY554 )
                  | ( SV105 != SY554 )
                  | ~ ( ~ ! [SY555: $i,SY556: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SV105 )
                            | ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SY554 ) )
                      | ~ ! [SY557: $i,SY558: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SY554 )
                            | ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SV105 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[682]) ).

thf(847,plain,
    ! [SV106: $i] :
      ( ( ! [SY559: $i] :
            ~ ( ~ ! [SY560: $i,SY561: $i] :
                    ( ~ ( relation @ SY561 )
                    | ~ ( in @ SV106 @ SY560 )
                    | ~ ( in @ ( ordered_pair @ SV106 @ SY559 ) @ SY561 )
                    | ( in @ ( ordered_pair @ SV106 @ SY559 ) @ ( relation_composition @ ( identity_relation @ SY560 ) @ SY561 ) ) )
              | ~ ~ ( ~ ! [SY562: $i,SY563: $i] :
                          ( ~ ( relation @ SY563 )
                          | ~ ( in @ ( ordered_pair @ SV106 @ SY559 ) @ ( relation_composition @ ( identity_relation @ SY562 ) @ SY563 ) )
                          | ( in @ SV106 @ SY562 ) )
                    | ~ ! [SY564: $i,SY565: $i] :
                          ( ~ ( relation @ SY565 )
                          | ~ ( in @ ( ordered_pair @ SV106 @ SY559 ) @ ( relation_composition @ ( identity_relation @ SY564 ) @ SY565 ) )
                          | ( in @ ( ordered_pair @ SV106 @ SY559 ) @ SY565 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[683]) ).

thf(848,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)],[684]) ).

thf(849,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)],[685]) ).

thf(850,plain,
    ! [SV107: $i] :
      ( ( ~ ( relation @ SV107 )
        | ! [SY566: $i] :
            ( ~ ( relation @ SY566 )
            | ~ ( ~ ! [SY567: $i] :
                      ( ~ ( relation @ SY567 )
                      | ~ ( ~ ( ! [SY568: $i] :
                                  ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ SY568 ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ SY568 @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY566 ) )
                              | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY567 ) )
                          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK12_SY391 @ SY567 @ SY566 @ SV107 ) ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY566 ) )
                              | ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY567 ) ) )
                      | ( SY567
                        = ( relation_composition @ SV107 @ SY566 ) ) )
                | ~ ! [SY569: $i] :
                      ( ~ ( relation @ SY569 )
                      | ( SY569
                       != ( relation_composition @ SV107 @ SY566 ) )
                      | ~ ( ~ ! [SY570: $i,SY571: $i] :
                                ( ! [SY572: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY570 @ SY572 ) @ SV107 )
                                    | ~ ( in @ ( ordered_pair @ SY572 @ SY571 ) @ SY566 ) )
                                | ( in @ ( ordered_pair @ SY570 @ SY571 ) @ SY569 ) )
                          | ~ ! [SY573: $i,SY574: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY573 @ SY574 ) @ SY569 )
                                | ~ ( ~ ( in @ ( ordered_pair @ SY573 @ ( sK9_F @ SY574 @ SY573 @ SY569 @ SY566 @ SV107 ) ) @ SV107 )
                                    | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY574 @ SY573 @ SY569 @ SY566 @ SV107 ) @ SY574 ) @ SY566 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[686]) ).

thf(851,plain,
    ! [SV108: $i] :
      ( ( ! [SY575: $i] :
            ~ ( ~ ! [SY576: $i,SY577: $i] :
                    ( ~ ( in @ SV108 @ SY576 )
                    | ~ ( in @ SY575 @ SY577 )
                    | ( in @ ( ordered_pair @ SV108 @ SY575 ) @ ( cartesian_product2 @ SY576 @ SY577 ) ) )
              | ~ ~ ( ~ ! [SY578: $i] :
                          ( ! [SY579: $i] :
                              ~ ( in @ ( ordered_pair @ SV108 @ SY575 ) @ ( cartesian_product2 @ SY578 @ SY579 ) )
                          | ( in @ SV108 @ SY578 ) )
                    | ~ ! [SY580: $i,SY581: $i] :
                          ( ~ ( in @ ( ordered_pair @ SV108 @ SY575 ) @ ( cartesian_product2 @ SY580 @ SY581 ) )
                          | ( in @ SY575 @ SY581 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[687]) ).

thf(852,plain,
    ! [SV109: $i] :
      ( ( ~ ( ~ ! [SY582: $i,SY583: $i] :
                  ( ~ ( relation @ SY583 )
                  | ~ ( in @ ( ordered_pair @ SV109 @ SY582 ) @ SY583 )
                  | ( in @ SV109 @ ( relation_dom @ SY583 ) ) )
            | ~ ! [SY584: $i,SY585: $i] :
                  ( ~ ( relation @ SY585 )
                  | ~ ( in @ ( ordered_pair @ SV109 @ SY584 ) @ SY585 )
                  | ( in @ SY584 @ ( relation_rng @ SY585 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[688]) ).

thf(853,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK39_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)],[689]) ).

thf(854,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)],[690]) ).

thf(855,plain,
    ! [SV110: $i] :
      ( ( ~ ( relation @ SV110 )
        | ~ ( ~ ! [SY586: $i] :
                  ( ~ ( relation @ SY586 )
                  | ~ ( subset @ SV110 @ SY586 )
                  | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SY586 ) ) )
            | ~ ! [SY587: $i] :
                  ( ~ ( relation @ SY587 )
                  | ~ ( subset @ SV110 @ SY587 )
                  | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SY587 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[691]) ).

thf(856,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK40_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK40_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)],[692]) ).

thf(857,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)],[693]) ).

thf(858,plain,
    ! [SV111: $i] :
      ( ( ~ ( ~ ! [SY588: $i,SY589: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                                | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 ) )
                            | ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                                | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
                      | ~ ( ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                          | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 )
                          | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
                  | ( SY589
                    = ( set_union2 @ SV111 @ SY588 ) ) )
            | ~ ! [SY590: $i,SY591: $i] :
                  ( ( SY591
                   != ( set_union2 @ SV111 @ SY590 ) )
                  | ~ ( ~ ! [SY592: $i] :
                            ( ~ ( in @ SY592 @ SY591 )
                            | ( in @ SY592 @ SV111 )
                            | ( in @ SY592 @ SY590 ) )
                      | ~ ~ ( ~ ! [SY593: $i] :
                                  ( ~ ( in @ SY593 @ SV111 )
                                  | ( in @ SY593 @ SY591 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY590 )
                                  | ( in @ SX3 @ SY591 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[694]) ).

thf(859,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)],[695]) ).

thf(860,plain,
    ! [SV112: $i] :
      ( ( ~ ( ~ ! [SY595: $i] :
                  ( ~ ( subset @ SY595 @ ( sK41_B @ SV112 ) )
                  | ( are_equipotent @ SY595 @ ( sK41_B @ SV112 ) )
                  | ( in @ SY595 @ ( sK41_B @ SV112 ) ) )
            | ~ ~ ( ~ ! [SY596: $i] :
                        ( ~ ( in @ SY596 @ ( sK41_B @ SV112 ) )
                        | ( in @ ( powerset @ SY596 ) @ ( sK41_B @ SV112 ) ) )
                  | ~ ~ ( ~ ! [SY597: $i,SY598: $i] :
                              ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
                              | ~ ( subset @ SY598 @ SY597 )
                              | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
                        | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[696]) ).

thf(861,plain,
    ! [SV113: $i] :
      ( ( ! [SY599: $i] :
            ~ ( ~ ! [SY600: $i,SY601: $i] :
                    ( ~ ( in @ SV113 @ SY600 )
                    | ~ ( in @ SY599 @ SY601 )
                    | ( in @ ( ordered_pair @ SV113 @ SY599 ) @ ( cartesian_product2 @ SY600 @ SY601 ) ) )
              | ~ ~ ( ~ ! [SY602: $i] :
                          ( ! [SY603: $i] :
                              ~ ( in @ ( ordered_pair @ SV113 @ SY599 ) @ ( cartesian_product2 @ SY602 @ SY603 ) )
                          | ( in @ SV113 @ SY602 ) )
                    | ~ ! [SY604: $i,SY605: $i] :
                          ( ~ ( in @ ( ordered_pair @ SV113 @ SY599 ) @ ( cartesian_product2 @ SY604 @ SY605 ) )
                          | ( in @ SY599 @ SY605 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[697]) ).

thf(862,plain,
    ! [SV114: $i] :
      ( ( ~ ( relation @ SV114 )
        | ~ ( ~ ! [SY606: $i] :
                  ( ~ ( relation @ SY606 )
                  | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SV114 )
                      | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SY606 ) )
                  | ( subset @ SV114 @ SY606 ) )
            | ~ ! [SY607: $i] :
                  ( ~ ( relation @ SY607 )
                  | ~ ( subset @ SV114 @ SY607 )
                  | ! [SY608: $i,SY609: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SV114 )
                      | ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SY607 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[698]) ).

thf(863,plain,
    ! [SV115: $i] :
      ( ( ~ ( relation @ SV115 )
        | ~ ( ~ ! [SY610: $i] :
                  ( ~ ( relation @ SY610 )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                          | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                          | ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) ) )
                  | ( SY610
                    = ( relation_inverse @ SV115 ) ) )
            | ~ ! [SY611: $i] :
                  ( ~ ( relation @ SY611 )
                  | ( SY611
                   != ( relation_inverse @ SV115 ) )
                  | ~ ( ~ ! [SY612: $i,SY613: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY612 @ SY613 ) @ SY611 )
                            | ( in @ ( ordered_pair @ SY613 @ SY612 ) @ SV115 ) )
                      | ~ ! [SY614: $i,SY615: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY615 @ SY614 ) @ SV115 )
                            | ( in @ ( ordered_pair @ SY614 @ SY615 ) @ SY611 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[699]) ).

thf(864,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)],[700]) ).

thf(865,plain,
    ( ( ~ ~ ( empty @ sK45_A )
      | ~ ( relation @ sK45_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[701]) ).

thf(866,plain,
    ! [SV116: $i] :
      ( ( ~ ( ~ ! [SY616: $i,SY617: $i] :
                  ( ~ ( relation @ SY617 )
                  | ~ ( in @ SV116 @ SY616 )
                  | ~ ( in @ SV116 @ ( relation_dom @ SY617 ) )
                  | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY617 @ SY616 ) ) ) )
            | ~ ~ ( ~ ! [SY618: $i,SY619: $i] :
                        ( ~ ( relation @ SY619 )
                        | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY619 @ SY618 ) ) )
                        | ( in @ SV116 @ SY618 ) )
                  | ~ ! [SY620: $i,SY621: $i] :
                        ( ~ ( relation @ SY621 )
                        | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY621 @ SY620 ) ) )
                        | ( in @ SV116 @ ( relation_dom @ SY621 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[702]) ).

thf(867,plain,
    ! [SV117: $i] :
      ( ( ~ ( ~ ! [SY622: $i,SY623: $i] :
                  ( ~ ( relation @ SY623 )
                  | ~ ( in @ ( ordered_pair @ SV117 @ SY622 ) @ SY623 )
                  | ( in @ SV117 @ ( relation_field @ SY623 ) ) )
            | ~ ! [SY624: $i,SY625: $i] :
                  ( ~ ( relation @ SY625 )
                  | ~ ( in @ ( ordered_pair @ SV117 @ SY624 ) @ SY625 )
                  | ( in @ SY624 @ ( relation_field @ SY625 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[703]) ).

thf(868,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                     != ( sK36_SY405 @ SX1 @ SX0 ) )
                    | ~ ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
                | ~ ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                            = ( sK36_SY405 @ SX1 @ SX0 ) )
                          | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
                      | ~ ( ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ 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)],[704]) ).

thf(869,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)],[705]) ).

thf(870,plain,
    ( ( ~ ( empty @ sK46_A )
      | ~ ( relation @ sK46_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[706]) ).

thf(871,plain,
    ! [SV118: $i] :
      ( ( ~ ( ~ ! [SY626: $i,SY627: $i] :
                  ( ~ ( ~ ( ! [SY628: $i,SY629: $i] :
                              ( ~ ( in @ SY628 @ SV118 )
                              | ~ ( in @ SY629 @ SY626 )
                              | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                               != ( ordered_pair @ SY628 @ SY629 ) ) )
                          | ~ ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) )
                      | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ SV118 )
                                    | ~ ( in @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) @ SY626 ) )
                              | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                               != ( ordered_pair @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) ) ) )
                          | ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) ) )
                  | ( SY627
                    = ( cartesian_product2 @ SV118 @ SY626 ) ) )
            | ~ ! [SY630: $i,SY631: $i] :
                  ( ( SY631
                   != ( cartesian_product2 @ SV118 @ SY630 ) )
                  | ~ ( ~ ! [SY632: $i] :
                            ( ! [SY633: $i,SY634: $i] :
                                ( ~ ( in @ SY633 @ SV118 )
                                | ~ ( in @ SY634 @ SY630 )
                                | ( SY632
                                 != ( ordered_pair @ SY633 @ SY634 ) ) )
                            | ( in @ SY632 @ SY631 ) )
                      | ~ ! [SY635: $i] :
                            ( ~ ( in @ SY635 @ SY631 )
                            | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ SV118 )
                                      | ~ ( in @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) @ SY630 ) )
                                | ( SY635
                                 != ( ordered_pair @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[707]) ).

thf(872,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)],[708]) ).

thf(873,plain,
    ! [SV119: $i] :
      ( ( ~ ( ~ ! [SY636: $i,SY637: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                                | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                                 != SV119 ) )
                            | ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                                | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                                 != SY636 ) ) )
                      | ~ ( ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                          | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                            = SV119 )
                          | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                            = SY636 ) ) )
                  | ( SY637
                    = ( unordered_pair @ SV119 @ SY636 ) ) )
            | ~ ! [SY638: $i,SY639: $i] :
                  ( ( SY639
                   != ( unordered_pair @ SV119 @ SY638 ) )
                  | ~ ( ~ ! [SY640: $i] :
                            ( ~ ( in @ SY640 @ SY639 )
                            | ( SY640 = SV119 )
                            | ( SY640 = SY638 ) )
                      | ~ ~ ( ~ ! [SY641: $i] :
                                  ( ( SY641 != SV119 )
                                  | ( in @ SY641 @ SY639 ) )
                            | ~ ! [SX3: $i] :
                                  ( ( SX3 != SY638 )
                                  | ( in @ SX3 @ SY639 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[709]) ).

thf(874,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK58_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK58_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK56_C @ SX1 @ SX0 ) @ ( sK57_SY422 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[710]) ).

thf(875,plain,
    ! [SV120: $i] :
      ( ( ! [SY643: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK3_C @ SY643 @ SV120 ) @ SV120 )
                    | ~ ( in @ ( sK3_C @ SY643 @ SV120 ) @ SY643 ) )
                | ~ ( ( in @ ( sK3_C @ SY643 @ SV120 ) @ SV120 )
                    | ( in @ ( sK3_C @ SY643 @ SV120 ) @ SY643 ) ) )
            | ( SV120 = SY643 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[711]) ).

thf(876,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)],[712]) ).

thf(877,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)],[713]) ).

thf(878,plain,
    ! [SV121: $i] :
      ( ( ~ ( ~ ! [SY644: $i] :
                  ( ~ ( subset @ SY644 @ ( sK43_B @ SV121 ) )
                  | ( are_equipotent @ SY644 @ ( sK43_B @ SV121 ) )
                  | ( in @ SY644 @ ( sK43_B @ SV121 ) ) )
            | ~ ~ ( ~ ! [SY645: $i] :
                        ( ~ ( ~ ! [SY646: $i] :
                                  ( ~ ( subset @ SY646 @ SY645 )
                                  | ( in @ SY646 @ ( sK44_SY413 @ SY645 @ SV121 ) ) )
                            | ~ ( in @ ( sK44_SY413 @ SY645 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
                        | ~ ( in @ SY645 @ ( sK43_B @ SV121 ) ) )
                  | ~ ~ ( ~ ! [SY647: $i,SY648: $i] :
                              ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
                              | ~ ( subset @ SY648 @ SY647 )
                              | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
                        | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[714]) ).

thf(879,plain,
    ! [SV122: $i] :
      ( ( ( empty @ SV122 )
        | ~ ( ~ ( element @ ( sK7_B @ SV122 ) @ ( powerset @ SV122 ) )
            | ~ ~ ( empty @ ( sK7_B @ SV122 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[715]) ).

thf(880,plain,
    ! [SV123: $i] :
      ( ( ~ ( ~ ( element @ ( sK5_B @ SV123 ) @ ( powerset @ SV123 ) )
            | ~ ( empty @ ( sK5_B @ SV123 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[716]) ).

thf(881,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ ( sK34_SY403 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
                          | ~ ( ! [SX2: $i] :
                                  ( ~ ( in @ SX2 @ SX0 )
                                  | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX2 ) )
                              | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ~ ( ~ ! [SX2: $i] :
                                ( ~ ( ~ ( in @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ~ ( in @ SX2 @ ( sK32_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)],[717]) ).

thf(882,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)],[718]) ).

thf(883,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)],[719]) ).

thf(884,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( relation_dom @ ( identity_relation @ SX0 ) )
            = SX0 )
      | ~ ! [SX0: $i] :
            ( ( relation_rng @ ( identity_relation @ SX0 ) )
            = SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[720]) ).

thf(885,plain,
    ! [SV124: $i] :
      ( ( ! [SY649: $i] :
            ( ~ ( ~ ( in @ ( sK42_C @ SY649 @ SV124 ) @ SV124 )
                | ~ ~ ( in @ ( sK42_C @ SY649 @ SV124 ) @ SY649 ) )
            | ( element @ SV124 @ ( powerset @ SY649 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[721]) ).

thf(886,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)],[722]) ).

thf(887,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)],[723]) ).

thf(888,plain,
    ! [SV125: $i] :
      ( ( ~ ( ~ ! [SY650: $i,SY651: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                          | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                          | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                                | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                            | ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                                | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) ) ) )
                  | ( SY651
                    = ( set_intersection2 @ SV125 @ SY650 ) ) )
            | ~ ! [SY652: $i,SY653: $i] :
                  ( ( SY653
                   != ( set_intersection2 @ SV125 @ SY652 ) )
                  | ~ ( ~ ! [SY654: $i] :
                            ( ~ ( in @ SY654 @ SV125 )
                            | ~ ( in @ SY654 @ SY652 )
                            | ( in @ SY654 @ SY653 ) )
                      | ~ ~ ( ~ ! [SY655: $i] :
                                  ( ~ ( in @ SY655 @ SY653 )
                                  | ( in @ SY655 @ SV125 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY653 )
                                  | ( in @ SX3 @ SY652 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[724]) ).

thf(889,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(890,plain,
    ! [SV126: $i] :
      ( ( ~ ( relation @ SV126 )
        | ~ ( ~ ! [SY657: $i] :
                  ( ~ ( ~ ( ! [SY658: $i] :
                              ~ ( in @ ( ordered_pair @ SY658 @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                          | ~ ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SY657 @ SV126 ) @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                          | ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) ) )
                  | ( SY657
                    = ( relation_rng @ SV126 ) ) )
            | ~ ! [SY659: $i] :
                  ( ( SY659
                   != ( relation_rng @ SV126 ) )
                  | ~ ( ~ ! [SY660: $i] :
                            ( ! [SY661: $i] :
                                ~ ( in @ ( ordered_pair @ SY661 @ SY660 ) @ SV126 )
                            | ( in @ SY660 @ SY659 ) )
                      | ~ ! [SY662: $i] :
                            ( ~ ( in @ SY662 @ SY659 )
                            | ( in @ ( ordered_pair @ ( sK47_D @ SY662 @ SY659 @ SV126 ) @ SY662 ) @ SV126 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[726]) ).

thf(891,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ! [SX2: $i] :
                        ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX2 )
                        | ~ ( in @ SX2 @ SX0 ) )
                    | ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ~ ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ ( sK18_SY394 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK18_SY394 @ SX1 @ SX0 ) @ SX0 ) )
                    | ( in @ ( sK17_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 @ ( sK16_D @ SX2 @ SX1 @ SX0 ) )
                          | ~ ( in @ ( sK16_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[727]) ).

thf(892,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_rng @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[728]) ).

thf(893,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)],[729]) ).

thf(894,plain,
    ! [SV127: $i] :
      ( ( ! [SY663: $i] :
            ~ ( ~ ! [SY664: $i] :
                    ( ! [SY665: $i] :
                        ( ( ordered_pair @ SV127 @ SY663 )
                       != ( ordered_pair @ SY664 @ SY665 ) )
                    | ( SV127 = SY664 ) )
              | ~ ! [SY666: $i,SY667: $i] :
                    ( ( ( ordered_pair @ SV127 @ SY663 )
                     != ( ordered_pair @ SY666 @ SY667 ) )
                    | ( SY663 = SY667 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[730]) ).

thf(895,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[731]) ).

thf(896,plain,
    ! [SV128: $i,SV1: $i] :
      ( ( ~ ( in @ SV1 @ SV128 )
        | ( subset @ SV1 @ ( union @ SV128 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[732]) ).

thf(897,plain,
    ! [SV129: $i,SV2: $i] :
      ( ( ! [SY668: $i,SY669: $i] :
            ( ~ ( subset @ SV2 @ SV129 )
            | ~ ( subset @ SY668 @ SY669 )
            | ( subset @ ( cartesian_product2 @ SV2 @ SY668 ) @ ( cartesian_product2 @ SV129 @ SY669 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[733]) ).

thf(898,plain,
    ! [SV130: $i,SV3: $i] :
      ( ( ~ ( subset @ SV3 @ SV130 )
        | ( ( set_union2 @ SV3 @ SV130 )
          = SV130 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[734]) ).

thf(899,plain,
    ! [SV131: $i,SV4: $i] :
      ( ( subset @ ( set_intersection2 @ SV4 @ SV131 ) @ SV4 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[735]) ).

thf(900,plain,
    ! [SV132: $i,SV5: $i] :
      ( ( ! [SY670: $i] :
            ( ~ ( subset @ SV5 @ SV132 )
            | ~ ( subset @ SV5 @ SY670 )
            | ( subset @ SV5 @ ( set_intersection2 @ SV132 @ SY670 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[736]) ).

thf(901,plain,
    ! [SV133: $i,SV6: $i] :
      ( ( ! [SY671: $i] :
            ( ~ ( subset @ SV6 @ SV133 )
            | ~ ( subset @ SV133 @ SY671 )
            | ( subset @ SV6 @ SY671 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[737]) ).

thf(902,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( relation @ SV7 ) )
        = $true )
      | ( ( subset @ SV7 @ ( cartesian_product2 @ ( relation_dom @ SV7 ) @ ( relation_rng @ SV7 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[738]) ).

thf(903,plain,
    ! [SV134: $i,SV8: $i] :
      ( ( ~ ( subset @ SV8 @ SV134 )
        | ! [SY672: $i] : ( subset @ ( set_intersection2 @ SV8 @ SY672 ) @ ( set_intersection2 @ SV134 @ SY672 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[739]) ).

thf(904,plain,
    ! [SV135: $i,SV9: $i] :
      ( ( ~ ( subset @ SV9 @ SV135 )
        | ( ( set_intersection2 @ SV9 @ SV135 )
          = SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[740]) ).

thf(905,plain,
    ! [SV136: $i,SV11: $i] :
      ( ( ~ ( subset @ SV11 @ SV136 )
        | ! [SY673: $i] : ( subset @ ( set_difference @ SV11 @ SY673 ) @ ( set_difference @ SV136 @ SY673 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[742]) ).

thf(906,plain,
    ! [SV137: $i,SV12: $i] :
      ( ( subset @ ( set_difference @ SV12 @ SV137 ) @ SV12 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[743]) ).

thf(907,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( subset @ SV13 @ empty_set ) )
        = $true )
      | ( ( SV13 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[744]) ).

thf(908,plain,
    ! [SV14: $i] :
      ( ( ( ~ ( relation @ SV14 ) )
        = $true )
      | ( ( ! [SY442: $i] :
              ( ~ ( relation @ SY442 )
              | ( subset @ ( relation_dom @ ( relation_composition @ SV14 @ SY442 ) ) @ ( relation_dom @ SV14 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[745]) ).

thf(909,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( relation @ SV15 ) )
        = $true )
      | ( ( ! [SY443: $i] :
              ( ~ ( relation @ SY443 )
              | ( subset @ ( relation_rng @ ( relation_composition @ SV15 @ SY443 ) ) @ ( relation_rng @ SY443 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[746]) ).

thf(910,plain,
    ! [SV138: $i,SV16: $i] :
      ( ( ~ ( subset @ SV16 @ SV138 )
        | ( SV138
          = ( set_union2 @ SV16 @ ( set_difference @ SV138 @ SV16 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[747]) ).

thf(911,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( relation @ SV17 ) )
        = $true )
      | ( ( ! [SY445: $i] :
              ( ~ ( relation @ SY445 )
              | ~ ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SY445 ) )
              | ( ( relation_dom @ ( relation_composition @ SV17 @ SY445 ) )
                = ( relation_dom @ SV17 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[748]) ).

thf(912,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( relation @ SV18 ) )
        = $true )
      | ( ( ! [SY446: $i] :
              ( ~ ( relation @ SY446 )
              | ~ ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SY446 ) )
              | ( ( relation_rng @ ( relation_composition @ SY446 @ SV18 ) )
                = ( relation_rng @ SV18 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[749]) ).

thf(913,plain,
    ! [SV19: $i,SV139: $i] :
      ( ( ~ ( proper_subset @ SV139 @ SV19 )
        | ~ ( subset @ SV19 @ SV139 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[750]) ).

thf(914,plain,
    ! [SV20: $i,SV140: $i] :
      ( ( ! [SY674: $i] :
            ( ~ ( disjoint @ SV140 @ SY674 )
            | ~ ( subset @ SV20 @ SV140 )
            | ( disjoint @ SV20 @ SY674 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[751]) ).

thf(915,plain,
    ! [SV141: $i,SV21: $i] :
      ( ( ~ ( subset @ ( singleton @ SV21 ) @ ( singleton @ SV141 ) )
        | ( SV21 = SV141 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[752]) ).

thf(916,plain,
    ! [SV142: $i,SV22: $i] :
      ( ( subset @ SV22 @ ( set_union2 @ SV22 @ SV142 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[753]) ).

thf(917,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ~ ( relation @ SV143 )
        | ( subset @ ( relation_dom_restriction @ SV143 @ SV23 ) @ SV143 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[754]) ).

thf(918,plain,
    ! [SV144: $i,SV24: $i] :
      ( ( ! [SY675: $i] :
            ( ~ ( subset @ SV24 @ SV144 )
            | ~ ( subset @ SY675 @ SV144 )
            | ( subset @ ( set_union2 @ SV24 @ SY675 ) @ SV144 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[755]) ).

thf(919,plain,
    ! [SV25: $i,SV145: $i] :
      ( ( ~ ( relation @ SV145 )
        | ( ( relation_dom @ ( relation_dom_restriction @ SV145 @ SV25 ) )
          = ( set_intersection2 @ ( relation_dom @ SV145 ) @ SV25 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[756]) ).

thf(920,plain,
    ! [SV146: $i,SV26: $i] :
      ( ( ~ ( in @ SV26 @ SV146 )
        | ( subset @ SV26 @ ( union @ SV146 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[757]) ).

thf(921,plain,
    ! [SV27: $i,SV147: $i] :
      ( ( ~ ( relation @ SV147 )
        | ( ( relation_dom_restriction @ SV147 @ SV27 )
          = ( relation_composition @ ( identity_relation @ SV27 ) @ SV147 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[758]) ).

thf(922,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( empty @ SV28 ) )
        = $true )
      | ( ( relation @ SV28 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[759]) ).

thf(923,plain,
    ! [SV29: $i] :
      ( ( ( ~ ( relation @ SV29 ) )
        = $true )
      | ( ( relation @ ( relation_inverse @ SV29 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[760]) ).

thf(924,plain,
    ! [SV148: $i,SV30: $i] :
      ( ( ~ ( relation @ SV30 )
        | ~ ( relation @ SV148 )
        | ( relation @ ( relation_composition @ SV30 @ SV148 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[761]) ).

thf(925,plain,
    ! [SV32: $i] :
      ( ( ( ~ ( relation @ SV32 ) )
        = $true )
      | ( ( ! [SY459: $i] : ( relation @ ( relation_dom_restriction @ SV32 @ SY459 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[763]) ).

thf(926,plain,
    ! [SV149: $i,SV33: $i] :
      ( ( ~ ( relation @ SV33 )
        | ~ ( relation @ SV149 )
        | ( relation @ ( set_intersection2 @ SV33 @ SV149 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[764]) ).

thf(927,plain,
    ! [SV150: $i,SV34: $i] :
      ( ( ~ ( relation @ SV34 )
        | ~ ( relation @ SV150 )
        | ( relation @ ( set_union2 @ SV34 @ SV150 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[765]) ).

thf(928,plain,
    ! [SV35: $i] :
      ( ( ( ( empty @ SV35 )
          | ~ ( relation @ SV35 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[766]) ).

thf(929,plain,
    ! [SV36: $i] :
      ( ( ( ( empty @ SV36 )
          | ~ ( relation @ SV36 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV36 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[767]) ).

thf(930,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( relation @ SV37 ) )
        = $true )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV37 ) )
          = SV37 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[768]) ).

thf(931,plain,
    ! [SV39: $i] :
      ( ( ( singleton @ SV39 )
        = empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[770]) ).

thf(932,plain,
    ! [SV151: $i,SV40: $i] :
      ( ( ~ ( in @ SV40 @ SV151 )
        | ( ( set_union2 @ ( singleton @ SV40 ) @ SV151 )
          = SV151 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[771]) ).

thf(933,plain,
    ! [SV152: $i,SV41: $i] :
      ( ( ~ ( disjoint @ ( singleton @ SV41 ) @ SV152 )
        | ~ ( in @ SV41 @ SV152 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[772]) ).

thf(934,plain,
    ! [SV153: $i,SV42: $i] :
      ( ( ( in @ SV42 @ SV153 )
        | ( disjoint @ ( singleton @ SV42 ) @ SV153 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[773]) ).

thf(935,plain,
    ! [SV43: $i,SV154: $i] :
      ( ( ~ ( element @ SV154 @ ( powerset @ SV43 ) )
        | ! [SY676: $i] :
            ( ~ ( in @ SY676 @ SV154 )
            | ( in @ SY676 @ SV43 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[774]) ).

thf(936,plain,
    ! [SV155: $i,SV44: $i] :
      ( ( ~ ( subset @ SV44 @ SV155 )
        | ! [SY677: $i] :
            ( ( in @ SY677 @ SV44 )
            | ( subset @ SV44 @ ( set_difference @ SV155 @ ( singleton @ SY677 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[775]) ).

thf(937,plain,
    ! [SV156: $i,SV45: $i] :
      ( ( ! [SY678: $i,SY679: $i] :
            ( ( SV45 = SY679 )
            | ( SV45 = SY678 )
            | ( ( unordered_pair @ SV45 @ SV156 )
             != ( unordered_pair @ SY678 @ SY679 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[776]) ).

thf(938,plain,
    ! [SV157: $i,SV46: $i] :
      ( ( ( set_union2 @ SV46 @ ( set_difference @ SV157 @ SV46 ) )
        = ( set_union2 @ SV46 @ SV157 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[777]) ).

thf(939,plain,
    ! [SV158: $i,SV47: $i] :
      ( ( ( set_difference @ ( set_union2 @ SV47 @ SV158 ) @ SV158 )
        = ( set_difference @ SV47 @ SV158 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[778]) ).

thf(940,plain,
    ! [SV48: $i,SV159: $i] :
      ( ( ~ ( element @ SV159 @ ( powerset @ ( powerset @ SV48 ) ) )
        | ( SV159 = empty_set )
        | ( ( complements_of_subsets @ SV48 @ SV159 )
         != empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[779]) ).

thf(941,plain,
    ! [SV160: $i,SV49: $i] :
      ( ( ~ ( in @ SV49 @ SV160 )
        | ( ( set_union2 @ ( singleton @ SV49 ) @ SV160 )
          = SV160 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[780]) ).

thf(942,plain,
    ! [SV161: $i,SV50: $i] :
      ( ( ( set_difference @ SV50 @ ( set_difference @ SV50 @ SV161 ) )
        = ( set_intersection2 @ SV50 @ SV161 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[781]) ).

thf(943,plain,
    ! [SV51: $i] :
      ( ( ( SV51 = empty_set )
        = $true )
      | ( ( ! [SY477: $i] :
              ( ~ ( element @ SY477 @ ( powerset @ SV51 ) )
              | ! [SY478: $i] :
                  ( ~ ( element @ SY478 @ SV51 )
                  | ( in @ SY478 @ SY477 )
                  | ( in @ SY478 @ ( subset_complement @ SV51 @ SY477 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[782]) ).

thf(944,plain,
    ! [SV162: $i,SV52: $i] :
      ( ( ! [SY680: $i] :
            ( ~ ( element @ SY680 @ ( powerset @ SV52 ) )
            | ~ ( in @ SV162 @ ( subset_complement @ SV52 @ SY680 ) )
            | ~ ( in @ SV162 @ SY680 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[783]) ).

thf(945,plain,
    ! [SV53: $i] :
      ( ( ( ~ ( relation @ SV53 ) )
        = $true )
      | ( ( ( in @ ( ordered_pair @ ( sK37_B @ SV53 ) @ ( sK38_SY406 @ SV53 ) ) @ SV53 )
          | ( SV53 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[784]) ).

thf(946,plain,
    ! [SV163: $i,SV55: $i] :
      ( ( ! [SY681: $i] :
            ( ( singleton @ SV55 )
           != ( unordered_pair @ SV163 @ SY681 ) )
        | ( SV55 = SV163 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[786]) ).

thf(947,plain,
    ! [SV164: $i,SV57: $i] :
      ( ( ! [SY682: $i] :
            ( ( ( singleton @ SV57 )
             != ( unordered_pair @ SV164 @ SY682 ) )
            | ( SV164 = SY682 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[788]) ).

thf(948,plain,
    ! [SV165: $i,SV58: $i] :
      ( ( ~ ( in @ SV58 @ SV165 )
        | ~ ( in @ SV165 @ SV58 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[789]) ).

thf(949,plain,
    ! [SV166: $i,SV59: $i] :
      ( ( ~ ( proper_subset @ SV59 @ SV166 )
        | ~ ( proper_subset @ SV166 @ SV59 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[790]) ).

thf(950,plain,
    ! [SV167: $i,SV60: $i] :
      ( ( ( unordered_pair @ SV60 @ SV167 )
        = ( unordered_pair @ SV167 @ SV60 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[791]) ).

thf(951,plain,
    ! [SV168: $i,SV61: $i] :
      ( ( ( set_union2 @ SV61 @ SV168 )
        = ( set_union2 @ SV168 @ SV61 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[792]) ).

thf(952,plain,
    ! [SV169: $i,SV62: $i] :
      ( ( ( set_intersection2 @ SV62 @ SV169 )
        = ( set_intersection2 @ SV169 @ SV62 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[793]) ).

thf(953,plain,
    ! [SV63: $i,SV170: $i] :
      ( ( ~ ( element @ SV170 @ ( powerset @ SV63 ) )
        | ( ( subset_complement @ SV63 @ SV170 )
          = ( set_difference @ SV63 @ SV170 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[794]) ).

thf(954,plain,
    ! [SV171: $i,SV64: $i] :
      ( ( ( ordered_pair @ SV64 @ SV171 )
        = ( unordered_pair @ ( unordered_pair @ SV64 @ SV171 ) @ ( singleton @ SV64 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[795]) ).

thf(955,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( relation @ SV65 ) )
        = $true )
      | ( ( ( relation_field @ SV65 )
          = ( set_union2 @ ( relation_dom @ SV65 ) @ ( relation_rng @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[796]) ).

thf(956,plain,
    ! [SV67: $i,SV172: $i] :
      ( ( ~ ( element @ SV172 @ ( powerset @ SV67 ) )
        | ( element @ ( subset_complement @ SV67 @ SV172 ) @ ( powerset @ SV67 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[798]) ).

thf(957,plain,
    ! [SV68: $i,SV173: $i] :
      ( ( ~ ( element @ SV173 @ ( powerset @ ( powerset @ SV68 ) ) )
        | ( element @ ( union_of_subsets @ SV68 @ SV173 ) @ ( powerset @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[799]) ).

thf(958,plain,
    ! [SV69: $i,SV174: $i] :
      ( ( ~ ( element @ SV174 @ ( powerset @ ( powerset @ SV69 ) ) )
        | ( element @ ( meet_of_subsets @ SV69 @ SV174 ) @ ( powerset @ SV69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[800]) ).

thf(959,plain,
    ! [SV70: $i,SV175: $i] :
      ( ( ! [SY683: $i] :
            ( ~ ( element @ SV175 @ ( powerset @ SV70 ) )
            | ~ ( element @ SY683 @ ( powerset @ SV70 ) )
            | ( element @ ( subset_difference @ SV70 @ SV175 @ SY683 ) @ ( powerset @ SV70 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[801]) ).

thf(960,plain,
    ! [SV71: $i,SV176: $i] :
      ( ( ~ ( element @ SV176 @ ( powerset @ ( powerset @ SV71 ) ) )
        | ( element @ ( complements_of_subsets @ SV71 @ SV176 ) @ ( powerset @ ( powerset @ SV71 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[802]) ).

thf(961,plain,
    ! [SV73: $i] :
      ( ( empty @ ( powerset @ SV73 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[804]) ).

thf(962,plain,
    ! [SV177: $i,SV74: $i] :
      ( ( ~ ( empty @ ( ordered_pair @ SV74 @ SV177 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[805]) ).

thf(963,plain,
    ! [SV75: $i] :
      ( ( empty @ ( singleton @ SV75 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[806]) ).

thf(964,plain,
    ! [SV76: $i] :
      ( ( ( empty @ SV76 )
        = $true )
      | ( ( ! [SY499: $i] :
              ~ ( empty @ ( set_union2 @ SV76 @ SY499 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[807]) ).

thf(965,plain,
    ! [SV178: $i,SV77: $i] :
      ( ( ~ ( empty @ ( unordered_pair @ SV77 @ SV178 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[808]) ).

thf(966,plain,
    ! [SV78: $i] :
      ( ( ( empty @ SV78 )
        = $true )
      | ( ( ! [SY501: $i] :
              ~ ( empty @ ( set_union2 @ SY501 @ SV78 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[809]) ).

thf(967,plain,
    ! [SV179: $i,SV79: $i] :
      ( ( ( empty @ SV79 )
        | ( empty @ SV179 )
        | ~ ( empty @ ( cartesian_product2 @ SV79 @ SV179 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[810]) ).

thf(968,plain,
    ! [SV82: $i,SV180: $i] :
      ( ( ~ ( element @ SV180 @ ( powerset @ SV82 ) )
        | ( ( subset_complement @ SV82 @ ( subset_complement @ SV82 @ SV180 ) )
          = SV180 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[813]) ).

thf(969,plain,
    ! [SV83: $i,SV181: $i] :
      ( ( ~ ( element @ SV181 @ ( powerset @ ( powerset @ SV83 ) ) )
        | ( ( complements_of_subsets @ SV83 @ ( complements_of_subsets @ SV83 @ SV181 ) )
          = SV181 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[814]) ).

thf(970,plain,
    ! [SV84: $i] :
      ( ( proper_subset @ SV84 @ SV84 )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[815]) ).

thf(971,plain,
    ! [SV85: $i,SV182: $i] :
      ( ( ~ ( element @ SV182 @ ( powerset @ ( powerset @ SV85 ) ) )
        | ( ( union_of_subsets @ SV85 @ SV182 )
          = ( union @ SV182 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[817]) ).

thf(972,plain,
    ! [SV86: $i,SV183: $i] :
      ( ( ! [SY684: $i] :
            ( ~ ( element @ SV183 @ ( powerset @ SV86 ) )
            | ~ ( element @ SY684 @ ( powerset @ SV86 ) )
            | ( ( subset_difference @ SV86 @ SV183 @ SY684 )
              = ( set_difference @ SV183 @ SY684 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[818]) ).

thf(973,plain,
    ! [SV184: $i,SV87: $i] :
      ( ( ~ ( disjoint @ SV87 @ SV184 )
        | ( disjoint @ SV184 @ SV87 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[819]) ).

thf(974,plain,
    ! [SV185: $i,SV89: $i] :
      ( ( ~ ( in @ SV89 @ SV185 )
        | ( element @ SV89 @ SV185 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[821]) ).

thf(975,plain,
    ! [SV186: $i,SV91: $i] :
      ( ( ~ ( element @ SV91 @ SV186 )
        | ( empty @ SV186 )
        | ( in @ SV91 @ SV186 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[823]) ).

thf(976,plain,
    ! [SV94: $i,SV187: $i] :
      ( ( ! [SY685: $i] :
            ( ~ ( element @ SV187 @ ( powerset @ SY685 ) )
            | ~ ( in @ SV94 @ SV187 )
            | ( element @ SV94 @ SY685 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[826]) ).

thf(977,plain,
    ! [SV95: $i,SV188: $i] :
      ( ( ! [SY686: $i] :
            ( ~ ( element @ SV188 @ ( powerset @ SY686 ) )
            | ~ ( in @ SV95 @ SV188 )
            | ~ ( empty @ SY686 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[827]) ).

thf(978,plain,
    ! [SV96: $i] :
      ( ( ( ~ ( empty @ SV96 ) )
        = $true )
      | ( ( SV96 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[828]) ).

thf(979,plain,
    ! [SV97: $i,SV189: $i] :
      ( ( ~ ( empty @ SV189 )
        | ~ ( in @ SV97 @ SV189 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[829]) ).

thf(980,plain,
    ! [SV190: $i,SV98: $i] :
      ( ( ( SV98 = SV190 )
        | ~ ( empty @ SV98 )
        | ~ ( empty @ SV190 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[830]) ).

thf(981,plain,
    ! [SV99: $i] :
      ( ( ~ ! [SY517: $i,SY518: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                      | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                      | ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                            | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                        | ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                            | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) ) ) )
              | ( SY518
                = ( set_difference @ SV99 @ SY517 ) ) )
        | ~ ! [SY519: $i,SY520: $i] :
              ( ( SY520
               != ( set_difference @ SV99 @ SY519 ) )
              | ~ ( ~ ! [SY521: $i] :
                        ( ~ ( in @ SY521 @ SV99 )
                        | ( in @ SY521 @ SY519 )
                        | ( in @ SY521 @ SY520 ) )
                  | ~ ~ ( ~ ! [SY522: $i] :
                              ( ~ ( in @ SY522 @ SY520 )
                              | ( in @ SY522 @ SV99 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY520 )
                              | ~ ( in @ SX3 @ SY519 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[832]) ).

thf(982,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
             != empty_set )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[833]) ).

thf(983,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
             != empty_set )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[833]) ).

thf(984,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)],[834]) ).

thf(985,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[834]) ).

thf(986,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK31_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK31_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[835]) ).

thf(987,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)],[835]) ).

thf(988,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK30_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[836]) ).

thf(989,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[836]) ).

thf(990,plain,
    ! [SV100: $i] :
      ( ( ( ~ ( relation @ SV100 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY524: $i] :
                    ( ~ ( ~ ( ! [SY525: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ SY525 ) @ SV100 )
                            | ~ ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ ( sK21_SY396 @ SY524 @ SV100 ) ) @ SV100 )
                            | ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) ) )
                    | ( SY524
                      = ( relation_dom @ SV100 ) ) )
              | ~ ! [SY526: $i] :
                    ( ( SY526
                     != ( relation_dom @ SV100 ) )
                    | ~ ( ~ ! [SY527: $i] :
                              ( ! [SY528: $i] :
                                  ~ ( in @ ( ordered_pair @ SY527 @ SY528 ) @ SV100 )
                              | ( in @ SY527 @ SY526 ) )
                        | ~ ! [SY529: $i] :
                              ( ~ ( in @ SY529 @ SY526 )
                              | ( in @ ( ordered_pair @ SY529 @ ( sK19_D @ SY529 @ SY526 @ SV100 ) ) @ SV100 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[837]) ).

thf(991,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(992,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(993,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK55_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK55_C @ SX1 @ SX0 ) @ SX0 ) ) )
            | ( SX1
              = ( powerset @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[839]) ).

thf(994,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)],[839]) ).

thf(995,plain,
    ! [SV101: $i] :
      ( ( ~ ! [SY530: $i] :
              ( ~ ( subset @ SV101 @ SY530 )
              | ! [SY531: $i] : ( subset @ ( cartesian_product2 @ SV101 @ SY531 ) @ ( cartesian_product2 @ SY530 @ SY531 ) ) )
        | ~ ! [SY532: $i] :
              ( ~ ( subset @ SV101 @ SY532 )
              | ! [SY533: $i] : ( subset @ ( cartesian_product2 @ SY533 @ SV101 ) @ ( cartesian_product2 @ SY533 @ SY532 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[840]) ).

thf(996,plain,
    ! [SV102: $i] :
      ( ( ~ ! [SY534: $i,SY535: $i] :
              ( ~ ( in @ SV102 @ SY535 )
              | ~ ( in @ SY534 @ SY535 )
              | ( subset @ ( unordered_pair @ SV102 @ SY534 ) @ SY535 ) )
        | ~ ~ ( ~ ! [SY536: $i,SY537: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV102 @ SY536 ) @ SY537 )
                    | ( in @ SV102 @ SY537 ) )
              | ~ ! [SY538: $i,SY539: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV102 @ SY538 ) @ SY539 )
                    | ( in @ SY538 @ SY539 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[841]) ).

thf(997,plain,
    ( ( ( ( relation_dom @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[842]) ).

thf(998,plain,
    ( ( ( ( relation_rng @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[842]) ).

thf(999,plain,
    ! [SV103: $i] :
      ( ( ( ~ ( relation @ SV103 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY540: $i,SY541: $i] :
                    ( ~ ( relation @ SY541 )
                    | ~ ( ~ ( ~ ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                            | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                            | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                                  | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                                  | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) ) ) )
                    | ( SY541
                      = ( relation_dom_restriction @ SV103 @ SY540 ) ) )
              | ~ ! [SY542: $i,SY543: $i] :
                    ( ~ ( relation @ SY543 )
                    | ( SY543
                     != ( relation_dom_restriction @ SV103 @ SY542 ) )
                    | ~ ( ~ ! [SY544: $i,SY545: $i] :
                              ( ~ ( in @ SY544 @ SY542 )
                              | ~ ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SV103 )
                              | ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SY543 ) )
                        | ~ ~ ( ~ ! [SX3: $i] :
                                    ( ! [SX4: $i] :
                                        ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY543 )
                                    | ( in @ SX3 @ SY542 ) )
                              | ~ ! [SY548: $i,SY549: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SY543 )
                                    | ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SV103 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[843]) ).

thf(1000,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
             != empty_set )
            | ( ( relation_rng @ SX0 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[844]) ).

thf(1001,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
             != empty_set )
            | ( ( relation_dom @ SX0 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[844]) ).

thf(1002,plain,
    ! [SV104: $i,SV191: $i] :
      ( ( ~ ( element @ SV191 @ ( powerset @ SV104 ) )
        | ~ ( ~ ! [SY687: $i] :
                  ( ~ ( element @ SY687 @ ( powerset @ SV104 ) )
                  | ~ ( disjoint @ SV191 @ SY687 )
                  | ( subset @ SV191 @ ( subset_complement @ SV104 @ SY687 ) ) )
            | ~ ! [SY688: $i] :
                  ( ~ ( element @ SY688 @ ( powerset @ SV104 ) )
                  | ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SY688 ) )
                  | ( disjoint @ SV191 @ SY688 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[845]) ).

thf(1003,plain,
    ! [SV105: $i] :
      ( ( ( ~ ( relation @ SV105 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY553: $i] :
                    ( ~ ( relation @ SY553 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                            | ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                            | ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) ) )
                    | ( SV105 = SY553 ) )
              | ~ ! [SY554: $i] :
                    ( ~ ( relation @ SY554 )
                    | ( SV105 != SY554 )
                    | ~ ( ~ ! [SY555: $i,SY556: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SV105 )
                              | ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SY554 ) )
                        | ~ ! [SY557: $i,SY558: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SY554 )
                              | ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SV105 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[846]) ).

thf(1004,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ( ~ ! [SY689: $i,SY690: $i] :
                  ( ~ ( relation @ SY690 )
                  | ~ ( in @ SV106 @ SY689 )
                  | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY690 )
                  | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY689 ) @ SY690 ) ) )
            | ~ ~ ( ~ ! [SY691: $i,SY692: $i] :
                        ( ~ ( relation @ SY692 )
                        | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY691 ) @ SY692 ) )
                        | ( in @ SV106 @ SY691 ) )
                  | ~ ! [SY693: $i,SY694: $i] :
                        ( ~ ( relation @ SY694 )
                        | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY693 ) @ SY694 ) )
                        | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY694 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[847]) ).

thf(1005,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
              = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[848]) ).

thf(1006,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
              = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[848]) ).

thf(1007,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[849]) ).

thf(1008,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[849]) ).

thf(1009,plain,
    ! [SV107: $i] :
      ( ( ( ~ ( relation @ SV107 ) )
        = $true )
      | ( ( ! [SY566: $i] :
              ( ~ ( relation @ SY566 )
              | ~ ( ~ ! [SY567: $i] :
                        ( ~ ( relation @ SY567 )
                        | ~ ( ~ ( ! [SY568: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ SY568 ) @ SV107 )
                                    | ~ ( in @ ( ordered_pair @ SY568 @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY566 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY567 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK12_SY391 @ SY567 @ SY566 @ SV107 ) ) @ SV107 )
                                    | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY566 ) )
                                | ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY567 ) ) )
                        | ( SY567
                          = ( relation_composition @ SV107 @ SY566 ) ) )
                  | ~ ! [SY569: $i] :
                        ( ~ ( relation @ SY569 )
                        | ( SY569
                         != ( relation_composition @ SV107 @ SY566 ) )
                        | ~ ( ~ ! [SY570: $i,SY571: $i] :
                                  ( ! [SY572: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SY570 @ SY572 ) @ SV107 )
                                      | ~ ( in @ ( ordered_pair @ SY572 @ SY571 ) @ SY566 ) )
                                  | ( in @ ( ordered_pair @ SY570 @ SY571 ) @ SY569 ) )
                            | ~ ! [SY573: $i,SY574: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY573 @ SY574 ) @ SY569 )
                                  | ~ ( ~ ( in @ ( ordered_pair @ SY573 @ ( sK9_F @ SY574 @ SY573 @ SY569 @ SY566 @ SV107 ) ) @ SV107 )
                                      | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY574 @ SY573 @ SY569 @ SY566 @ SV107 ) @ SY574 ) @ SY566 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[850]) ).

thf(1010,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ( ~ ! [SY695: $i,SY696: $i] :
                  ( ~ ( in @ SV108 @ SY695 )
                  | ~ ( in @ SV193 @ SY696 )
                  | ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY695 @ SY696 ) ) )
            | ~ ~ ( ~ ! [SY697: $i] :
                        ( ! [SY698: $i] :
                            ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY697 @ SY698 ) )
                        | ( in @ SV108 @ SY697 ) )
                  | ~ ! [SY699: $i,SY700: $i] :
                        ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY699 @ SY700 ) )
                        | ( in @ SV193 @ SY700 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[851]) ).

thf(1011,plain,
    ! [SV109: $i] :
      ( ( ~ ! [SY582: $i,SY583: $i] :
              ( ~ ( relation @ SY583 )
              | ~ ( in @ ( ordered_pair @ SV109 @ SY582 ) @ SY583 )
              | ( in @ SV109 @ ( relation_dom @ SY583 ) ) )
        | ~ ! [SY584: $i,SY585: $i] :
              ( ~ ( relation @ SY585 )
              | ~ ( in @ ( ordered_pair @ SV109 @ SY584 ) @ SY585 )
              | ( in @ SY584 @ ( relation_rng @ SY585 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[852]) ).

thf(1012,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK39_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[853]) ).

thf(1013,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[853]) ).

thf(1014,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != SX0 )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[854]) ).

thf(1015,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[854]) ).

thf(1016,plain,
    ! [SV110: $i] :
      ( ( ( ~ ( relation @ SV110 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY586: $i] :
                    ( ~ ( relation @ SY586 )
                    | ~ ( subset @ SV110 @ SY586 )
                    | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SY586 ) ) )
              | ~ ! [SY587: $i] :
                    ( ~ ( relation @ SY587 )
                    | ~ ( subset @ SV110 @ SY587 )
                    | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SY587 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[855]) ).

thf(1017,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK40_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK40_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[856]) ).

thf(1018,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[856]) ).

thf(1019,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[857]) ).

thf(1020,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[857]) ).

thf(1021,plain,
    ! [SV111: $i] :
      ( ( ~ ! [SY588: $i,SY589: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                            | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 ) )
                        | ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                            | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
                  | ~ ( ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                      | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 )
                      | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
              | ( SY589
                = ( set_union2 @ SV111 @ SY588 ) ) )
        | ~ ! [SY590: $i,SY591: $i] :
              ( ( SY591
               != ( set_union2 @ SV111 @ SY590 ) )
              | ~ ( ~ ! [SY592: $i] :
                        ( ~ ( in @ SY592 @ SY591 )
                        | ( in @ SY592 @ SV111 )
                        | ( in @ SY592 @ SY590 ) )
                  | ~ ~ ( ~ ! [SY593: $i] :
                              ( ~ ( in @ SY593 @ SV111 )
                              | ( in @ SY593 @ SY591 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY590 )
                              | ( in @ SX3 @ SY591 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[858]) ).

thf(1022,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[859]) ).

thf(1023,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[859]) ).

thf(1024,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY595: $i] :
              ( ~ ( subset @ SY595 @ ( sK41_B @ SV112 ) )
              | ( are_equipotent @ SY595 @ ( sK41_B @ SV112 ) )
              | ( in @ SY595 @ ( sK41_B @ SV112 ) ) )
        | ~ ~ ( ~ ! [SY596: $i] :
                    ( ~ ( in @ SY596 @ ( sK41_B @ SV112 ) )
                    | ( in @ ( powerset @ SY596 ) @ ( sK41_B @ SV112 ) ) )
              | ~ ~ ( ~ ! [SY597: $i,SY598: $i] :
                          ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
                          | ~ ( subset @ SY598 @ SY597 )
                          | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
                    | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[860]) ).

thf(1025,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ( ~ ! [SY701: $i,SY702: $i] :
                  ( ~ ( in @ SV113 @ SY701 )
                  | ~ ( in @ SV194 @ SY702 )
                  | ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY701 @ SY702 ) ) )
            | ~ ~ ( ~ ! [SY703: $i] :
                        ( ! [SY704: $i] :
                            ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY703 @ SY704 ) )
                        | ( in @ SV113 @ SY703 ) )
                  | ~ ! [SY705: $i,SY706: $i] :
                        ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY705 @ SY706 ) )
                        | ( in @ SV194 @ SY706 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[861]) ).

thf(1026,plain,
    ! [SV114: $i] :
      ( ( ( ~ ( relation @ SV114 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY606: $i] :
                    ( ~ ( relation @ SY606 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SV114 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SY606 ) )
                    | ( subset @ SV114 @ SY606 ) )
              | ~ ! [SY607: $i] :
                    ( ~ ( relation @ SY607 )
                    | ~ ( subset @ SV114 @ SY607 )
                    | ! [SY608: $i,SY609: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SV114 )
                        | ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SY607 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[862]) ).

thf(1027,plain,
    ! [SV115: $i] :
      ( ( ( ~ ( relation @ SV115 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY610: $i] :
                    ( ~ ( relation @ SY610 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                            | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                            | ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) ) )
                    | ( SY610
                      = ( relation_inverse @ SV115 ) ) )
              | ~ ! [SY611: $i] :
                    ( ~ ( relation @ SY611 )
                    | ( SY611
                     != ( relation_inverse @ SV115 ) )
                    | ~ ( ~ ! [SY612: $i,SY613: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY612 @ SY613 ) @ SY611 )
                              | ( in @ ( ordered_pair @ SY613 @ SY612 ) @ SV115 ) )
                        | ~ ! [SY614: $i,SY615: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY615 @ SY614 ) @ SV115 )
                              | ( in @ ( ordered_pair @ SY614 @ SY615 ) @ SY611 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[863]) ).

thf(1028,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
             != SX0 )
            | ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[864]) ).

thf(1029,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( in @ SX1 @ SX0 )
            | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[864]) ).

thf(1030,plain,
    ( ( ~ ~ ( empty @ sK45_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[865]) ).

thf(1031,plain,
    ( ( ~ ( relation @ sK45_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[865]) ).

thf(1032,plain,
    ! [SV116: $i] :
      ( ( ~ ! [SY616: $i,SY617: $i] :
              ( ~ ( relation @ SY617 )
              | ~ ( in @ SV116 @ SY616 )
              | ~ ( in @ SV116 @ ( relation_dom @ SY617 ) )
              | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY617 @ SY616 ) ) ) )
        | ~ ~ ( ~ ! [SY618: $i,SY619: $i] :
                    ( ~ ( relation @ SY619 )
                    | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY619 @ SY618 ) ) )
                    | ( in @ SV116 @ SY618 ) )
              | ~ ! [SY620: $i,SY621: $i] :
                    ( ~ ( relation @ SY621 )
                    | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY621 @ SY620 ) ) )
                    | ( in @ SV116 @ ( relation_dom @ SY621 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[866]) ).

thf(1033,plain,
    ! [SV117: $i] :
      ( ( ~ ! [SY622: $i,SY623: $i] :
              ( ~ ( relation @ SY623 )
              | ~ ( in @ ( ordered_pair @ SV117 @ SY622 ) @ SY623 )
              | ( in @ SV117 @ ( relation_field @ SY623 ) ) )
        | ~ ! [SY624: $i,SY625: $i] :
              ( ~ ( relation @ SY625 )
              | ~ ( in @ ( ordered_pair @ SV117 @ SY624 ) @ SY625 )
              | ( in @ SY624 @ ( relation_field @ SY625 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[867]) ).

thf(1034,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                     != ( sK36_SY405 @ SX1 @ SX0 ) )
                    | ~ ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
                | ~ ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                            = ( sK36_SY405 @ SX1 @ SX0 ) )
                          | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
                      | ~ ( ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) ) ) )
            | ( SX1
              = ( identity_relation @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[868]) ).

thf(1035,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)],[868]) ).

thf(1036,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[869]) ).

thf(1037,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[869]) ).

thf(1038,plain,
    ( ( ~ ( empty @ sK46_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[870]) ).

thf(1039,plain,
    ( ( ~ ( relation @ sK46_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[870]) ).

thf(1040,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY626: $i,SY627: $i] :
              ( ~ ( ~ ( ! [SY628: $i,SY629: $i] :
                          ( ~ ( in @ SY628 @ SV118 )
                          | ~ ( in @ SY629 @ SY626 )
                          | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                           != ( ordered_pair @ SY628 @ SY629 ) ) )
                      | ~ ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) )
                  | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ SV118 )
                                | ~ ( in @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) @ SY626 ) )
                          | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                           != ( ordered_pair @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) ) ) )
                      | ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) ) )
              | ( SY627
                = ( cartesian_product2 @ SV118 @ SY626 ) ) )
        | ~ ! [SY630: $i,SY631: $i] :
              ( ( SY631
               != ( cartesian_product2 @ SV118 @ SY630 ) )
              | ~ ( ~ ! [SY632: $i] :
                        ( ! [SY633: $i,SY634: $i] :
                            ( ~ ( in @ SY633 @ SV118 )
                            | ~ ( in @ SY634 @ SY630 )
                            | ( SY632
                             != ( ordered_pair @ SY633 @ SY634 ) ) )
                        | ( in @ SY632 @ SY631 ) )
                  | ~ ! [SY635: $i] :
                        ( ~ ( in @ SY635 @ SY631 )
                        | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ SV118 )
                                  | ~ ( in @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) @ SY630 ) )
                            | ( SY635
                             != ( ordered_pair @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[871]) ).

thf(1041,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_intersection2 @ SX0 @ SX1 )
             != empty_set )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[872]) ).

thf(1042,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_intersection2 @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[872]) ).

thf(1043,plain,
    ! [SV119: $i] :
      ( ( ~ ! [SY636: $i,SY637: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                            | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                             != SV119 ) )
                        | ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                            | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                             != SY636 ) ) )
                  | ~ ( ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                      | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                        = SV119 )
                      | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                        = SY636 ) ) )
              | ( SY637
                = ( unordered_pair @ SV119 @ SY636 ) ) )
        | ~ ! [SY638: $i,SY639: $i] :
              ( ( SY639
               != ( unordered_pair @ SV119 @ SY638 ) )
              | ~ ( ~ ! [SY640: $i] :
                        ( ~ ( in @ SY640 @ SY639 )
                        | ( SY640 = SV119 )
                        | ( SY640 = SY638 ) )
                  | ~ ~ ( ~ ! [SY641: $i] :
                              ( ( SY641 != SV119 )
                              | ( in @ SY641 @ SY639 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY638 )
                              | ( in @ SX3 @ SY639 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[873]) ).

thf(1044,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK58_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK58_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[874]) ).

thf(1045,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK56_C @ SX1 @ SX0 ) @ ( sK57_SY422 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[874]) ).

thf(1046,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
                | ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) )
            | ~ ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
                | ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) ) )
        | ( SV120 = SV195 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[875]) ).

thf(1047,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)],[876]) ).

thf(1048,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)],[876]) ).

thf(1049,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[877]) ).

thf(1050,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)],[877]) ).

thf(1051,plain,
    ! [SV121: $i] :
      ( ( ~ ! [SY644: $i] :
              ( ~ ( subset @ SY644 @ ( sK43_B @ SV121 ) )
              | ( are_equipotent @ SY644 @ ( sK43_B @ SV121 ) )
              | ( in @ SY644 @ ( sK43_B @ SV121 ) ) )
        | ~ ~ ( ~ ! [SY645: $i] :
                    ( ~ ( ~ ! [SY646: $i] :
                              ( ~ ( subset @ SY646 @ SY645 )
                              | ( in @ SY646 @ ( sK44_SY413 @ SY645 @ SV121 ) ) )
                        | ~ ( in @ ( sK44_SY413 @ SY645 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
                    | ~ ( in @ SY645 @ ( sK43_B @ SV121 ) ) )
              | ~ ~ ( ~ ! [SY647: $i,SY648: $i] :
                          ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
                          | ~ ( subset @ SY648 @ SY647 )
                          | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
                    | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[878]) ).

thf(1052,plain,
    ! [SV122: $i] :
      ( ( ( empty @ SV122 )
        = $true )
      | ( ( ~ ( ~ ( element @ ( sK7_B @ SV122 ) @ ( powerset @ SV122 ) )
              | ~ ~ ( empty @ ( sK7_B @ SV122 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[879]) ).

thf(1053,plain,
    ! [SV123: $i] :
      ( ( ~ ( element @ ( sK5_B @ SV123 ) @ ( powerset @ SV123 ) )
        | ~ ( empty @ ( sK5_B @ SV123 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[880]) ).

thf(1054,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ ( sK34_SY403 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
                          | ~ ( ! [SX2: $i] :
                                  ( ~ ( in @ SX2 @ SX0 )
                                  | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX2 ) )
                              | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ~ ( ~ ! [SX2: $i] :
                                ( ~ ( ~ ( in @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ~ ( in @ SX2 @ ( sK32_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)],[881]) ).

thf(1055,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)],[881]) ).

thf(1056,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[882]) ).

thf(1057,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)],[882]) ).

thf(1058,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( empty @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[883]) ).

thf(1059,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( relation @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[883]) ).

thf(1060,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( relation_dom @ ( identity_relation @ SX0 ) )
            = SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[884]) ).

thf(1061,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( relation_rng @ ( identity_relation @ SX0 ) )
            = SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[884]) ).

thf(1062,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ~ ( ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV124 )
            | ~ ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV196 ) )
        | ( element @ SV124 @ ( powerset @ SV196 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[885]) ).

thf(1063,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( proper_subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[886]) ).

thf(1064,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)],[886]) ).

thf(1065,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( empty @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[887]) ).

thf(1066,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( empty @ SX0 )
            | ~ ( relation @ SX1 )
            | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[887]) ).

thf(1067,plain,
    ! [SV125: $i] :
      ( ( ~ ! [SY650: $i,SY651: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                      | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                      | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                            | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                        | ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                            | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) ) ) )
              | ( SY651
                = ( set_intersection2 @ SV125 @ SY650 ) ) )
        | ~ ! [SY652: $i,SY653: $i] :
              ( ( SY653
               != ( set_intersection2 @ SV125 @ SY652 ) )
              | ~ ( ~ ! [SY654: $i] :
                        ( ~ ( in @ SY654 @ SV125 )
                        | ~ ( in @ SY654 @ SY652 )
                        | ( in @ SY654 @ SY653 ) )
                  | ~ ~ ( ~ ! [SY655: $i] :
                              ( ~ ( in @ SY655 @ SY653 )
                              | ( in @ SY655 @ SV125 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY653 )
                              | ( in @ SX3 @ SY652 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[888]) ).

thf(1068,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[889]) ).

thf(1069,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[889]) ).

thf(1070,plain,
    ! [SV126: $i] :
      ( ( ( ~ ( relation @ SV126 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY657: $i] :
                    ( ~ ( ~ ( ! [SY658: $i] :
                                ~ ( in @ ( ordered_pair @ SY658 @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                            | ~ ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SY657 @ SV126 ) @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                            | ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) ) )
                    | ( SY657
                      = ( relation_rng @ SV126 ) ) )
              | ~ ! [SY659: $i] :
                    ( ( SY659
                     != ( relation_rng @ SV126 ) )
                    | ~ ( ~ ! [SY660: $i] :
                              ( ! [SY661: $i] :
                                  ~ ( in @ ( ordered_pair @ SY661 @ SY660 ) @ SV126 )
                              | ( in @ SY660 @ SY659 ) )
                        | ~ ! [SY662: $i] :
                              ( ~ ( in @ SY662 @ SY659 )
                              | ( in @ ( ordered_pair @ ( sK47_D @ SY662 @ SY659 @ SV126 ) @ SY662 ) @ SV126 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[890]) ).

thf(1071,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ! [SX2: $i] :
                        ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX2 )
                        | ~ ( in @ SX2 @ SX0 ) )
                    | ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ~ ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ ( sK18_SY394 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK18_SY394 @ SX1 @ SX0 ) @ SX0 ) )
                    | ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[891]) ).

thf(1072,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 @ ( sK16_D @ SX2 @ SX1 @ SX0 ) )
                          | ~ ( in @ ( sK16_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[891]) ).

thf(1073,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[892]) ).

thf(1074,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[892]) ).

thf(1075,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[893]) ).

thf(1076,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)],[893]) ).

thf(1077,plain,
    ! [SV197: $i,SV127: $i] :
      ( ( ~ ( ~ ! [SY707: $i] :
                  ( ! [SY708: $i] :
                      ( ( ordered_pair @ SV127 @ SV197 )
                     != ( ordered_pair @ SY707 @ SY708 ) )
                  | ( SV127 = SY707 ) )
            | ~ ! [SY709: $i,SY710: $i] :
                  ( ( ( ordered_pair @ SV127 @ SV197 )
                   != ( ordered_pair @ SY709 @ SY710 ) )
                  | ( SV197 = SY710 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[894]) ).

thf(1078,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[895]) ).

thf(1079,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[895]) ).

thf(1080,plain,
    ! [SV128: $i,SV1: $i] :
      ( ( ( ~ ( in @ SV1 @ SV128 ) )
        = $true )
      | ( ( subset @ SV1 @ ( union @ SV128 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[896]) ).

thf(1081,plain,
    ! [SV198: $i,SV129: $i,SV2: $i] :
      ( ( ! [SY711: $i] :
            ( ~ ( subset @ SV2 @ SV129 )
            | ~ ( subset @ SV198 @ SY711 )
            | ( subset @ ( cartesian_product2 @ SV2 @ SV198 ) @ ( cartesian_product2 @ SV129 @ SY711 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[897]) ).

thf(1082,plain,
    ! [SV130: $i,SV3: $i] :
      ( ( ( ~ ( subset @ SV3 @ SV130 ) )
        = $true )
      | ( ( ( set_union2 @ SV3 @ SV130 )
          = SV130 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[898]) ).

thf(1083,plain,
    ! [SV199: $i,SV132: $i,SV5: $i] :
      ( ( ~ ( subset @ SV5 @ SV132 )
        | ~ ( subset @ SV5 @ SV199 )
        | ( subset @ SV5 @ ( set_intersection2 @ SV132 @ SV199 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[900]) ).

thf(1084,plain,
    ! [SV200: $i,SV133: $i,SV6: $i] :
      ( ( ~ ( subset @ SV6 @ SV133 )
        | ~ ( subset @ SV133 @ SV200 )
        | ( subset @ SV6 @ SV200 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[901]) ).

thf(1085,plain,
    ! [SV7: $i] :
      ( ( ( relation @ SV7 )
        = $false )
      | ( ( subset @ SV7 @ ( cartesian_product2 @ ( relation_dom @ SV7 ) @ ( relation_rng @ SV7 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[902]) ).

thf(1086,plain,
    ! [SV134: $i,SV8: $i] :
      ( ( ( ~ ( subset @ SV8 @ SV134 ) )
        = $true )
      | ( ( ! [SY672: $i] : ( subset @ ( set_intersection2 @ SV8 @ SY672 ) @ ( set_intersection2 @ SV134 @ SY672 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[903]) ).

thf(1087,plain,
    ! [SV135: $i,SV9: $i] :
      ( ( ( ~ ( subset @ SV9 @ SV135 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV9 @ SV135 )
          = SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[904]) ).

thf(1088,plain,
    ! [SV136: $i,SV11: $i] :
      ( ( ( ~ ( subset @ SV11 @ SV136 ) )
        = $true )
      | ( ( ! [SY673: $i] : ( subset @ ( set_difference @ SV11 @ SY673 ) @ ( set_difference @ SV136 @ SY673 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[905]) ).

thf(1089,plain,
    ! [SV13: $i] :
      ( ( ( subset @ SV13 @ empty_set )
        = $false )
      | ( ( SV13 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[907]) ).

thf(1090,plain,
    ! [SV14: $i] :
      ( ( ( relation @ SV14 )
        = $false )
      | ( ( ! [SY442: $i] :
              ( ~ ( relation @ SY442 )
              | ( subset @ ( relation_dom @ ( relation_composition @ SV14 @ SY442 ) ) @ ( relation_dom @ SV14 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[908]) ).

thf(1091,plain,
    ! [SV15: $i] :
      ( ( ( relation @ SV15 )
        = $false )
      | ( ( ! [SY443: $i] :
              ( ~ ( relation @ SY443 )
              | ( subset @ ( relation_rng @ ( relation_composition @ SV15 @ SY443 ) ) @ ( relation_rng @ SY443 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[909]) ).

thf(1092,plain,
    ! [SV138: $i,SV16: $i] :
      ( ( ( ~ ( subset @ SV16 @ SV138 ) )
        = $true )
      | ( ( SV138
          = ( set_union2 @ SV16 @ ( set_difference @ SV138 @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[910]) ).

thf(1093,plain,
    ! [SV17: $i] :
      ( ( ( relation @ SV17 )
        = $false )
      | ( ( ! [SY445: $i] :
              ( ~ ( relation @ SY445 )
              | ~ ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SY445 ) )
              | ( ( relation_dom @ ( relation_composition @ SV17 @ SY445 ) )
                = ( relation_dom @ SV17 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[911]) ).

thf(1094,plain,
    ! [SV18: $i] :
      ( ( ( relation @ SV18 )
        = $false )
      | ( ( ! [SY446: $i] :
              ( ~ ( relation @ SY446 )
              | ~ ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SY446 ) )
              | ( ( relation_rng @ ( relation_composition @ SY446 @ SV18 ) )
                = ( relation_rng @ SV18 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[912]) ).

thf(1095,plain,
    ! [SV19: $i,SV139: $i] :
      ( ( ( ~ ( proper_subset @ SV139 @ SV19 ) )
        = $true )
      | ( ( ~ ( subset @ SV19 @ SV139 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[913]) ).

thf(1096,plain,
    ! [SV20: $i,SV201: $i,SV140: $i] :
      ( ( ~ ( disjoint @ SV140 @ SV201 )
        | ~ ( subset @ SV20 @ SV140 )
        | ( disjoint @ SV20 @ SV201 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[914]) ).

thf(1097,plain,
    ! [SV141: $i,SV21: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV21 ) @ ( singleton @ SV141 ) ) )
        = $true )
      | ( ( SV21 = SV141 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[915]) ).

thf(1098,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( ~ ( relation @ SV143 ) )
        = $true )
      | ( ( subset @ ( relation_dom_restriction @ SV143 @ SV23 ) @ SV143 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[917]) ).

thf(1099,plain,
    ! [SV202: $i,SV144: $i,SV24: $i] :
      ( ( ~ ( subset @ SV24 @ SV144 )
        | ~ ( subset @ SV202 @ SV144 )
        | ( subset @ ( set_union2 @ SV24 @ SV202 ) @ SV144 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[918]) ).

thf(1100,plain,
    ! [SV25: $i,SV145: $i] :
      ( ( ( ~ ( relation @ SV145 ) )
        = $true )
      | ( ( ( relation_dom @ ( relation_dom_restriction @ SV145 @ SV25 ) )
          = ( set_intersection2 @ ( relation_dom @ SV145 ) @ SV25 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[919]) ).

thf(1101,plain,
    ! [SV146: $i,SV26: $i] :
      ( ( ( ~ ( in @ SV26 @ SV146 ) )
        = $true )
      | ( ( subset @ SV26 @ ( union @ SV146 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[920]) ).

thf(1102,plain,
    ! [SV27: $i,SV147: $i] :
      ( ( ( ~ ( relation @ SV147 ) )
        = $true )
      | ( ( ( relation_dom_restriction @ SV147 @ SV27 )
          = ( relation_composition @ ( identity_relation @ SV27 ) @ SV147 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[921]) ).

thf(1103,plain,
    ! [SV28: $i] :
      ( ( ( empty @ SV28 )
        = $false )
      | ( ( relation @ SV28 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[922]) ).

thf(1104,plain,
    ! [SV29: $i] :
      ( ( ( relation @ SV29 )
        = $false )
      | ( ( relation @ ( relation_inverse @ SV29 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[923]) ).

thf(1105,plain,
    ! [SV148: $i,SV30: $i] :
      ( ( ( ~ ( relation @ SV30 )
          | ~ ( relation @ SV148 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV30 @ SV148 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[924]) ).

thf(1106,plain,
    ! [SV32: $i] :
      ( ( ( relation @ SV32 )
        = $false )
      | ( ( ! [SY459: $i] : ( relation @ ( relation_dom_restriction @ SV32 @ SY459 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[925]) ).

thf(1107,plain,
    ! [SV149: $i,SV33: $i] :
      ( ( ( ~ ( relation @ SV33 )
          | ~ ( relation @ SV149 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV33 @ SV149 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[926]) ).

thf(1108,plain,
    ! [SV150: $i,SV34: $i] :
      ( ( ( ~ ( relation @ SV34 )
          | ~ ( relation @ SV150 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV34 @ SV150 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[927]) ).

thf(1109,plain,
    ! [SV35: $i] :
      ( ( ( empty @ SV35 )
        = $true )
      | ( ( ~ ( relation @ SV35 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[928]) ).

thf(1110,plain,
    ! [SV36: $i] :
      ( ( ( empty @ SV36 )
        = $true )
      | ( ( ~ ( relation @ SV36 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV36 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[929]) ).

thf(1111,plain,
    ! [SV37: $i] :
      ( ( ( relation @ SV37 )
        = $false )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV37 ) )
          = SV37 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[930]) ).

thf(1112,plain,
    ! [SV151: $i,SV40: $i] :
      ( ( ( ~ ( in @ SV40 @ SV151 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV40 ) @ SV151 )
          = SV151 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[932]) ).

thf(1113,plain,
    ! [SV152: $i,SV41: $i] :
      ( ( ( ~ ( disjoint @ ( singleton @ SV41 ) @ SV152 ) )
        = $true )
      | ( ( ~ ( in @ SV41 @ SV152 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[933]) ).

thf(1114,plain,
    ! [SV153: $i,SV42: $i] :
      ( ( ( in @ SV42 @ SV153 )
        = $true )
      | ( ( disjoint @ ( singleton @ SV42 ) @ SV153 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[934]) ).

thf(1115,plain,
    ! [SV43: $i,SV154: $i] :
      ( ( ( ~ ( element @ SV154 @ ( powerset @ SV43 ) ) )
        = $true )
      | ( ( ! [SY676: $i] :
              ( ~ ( in @ SY676 @ SV154 )
              | ( in @ SY676 @ SV43 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[935]) ).

thf(1116,plain,
    ! [SV155: $i,SV44: $i] :
      ( ( ( ~ ( subset @ SV44 @ SV155 ) )
        = $true )
      | ( ( ! [SY677: $i] :
              ( ( in @ SY677 @ SV44 )
              | ( subset @ SV44 @ ( set_difference @ SV155 @ ( singleton @ SY677 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[936]) ).

thf(1117,plain,
    ! [SV156: $i,SV203: $i,SV45: $i] :
      ( ( ! [SY712: $i] :
            ( ( SV45 = SY712 )
            | ( SV45 = SV203 )
            | ( ( unordered_pair @ SV45 @ SV156 )
             != ( unordered_pair @ SV203 @ SY712 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[937]) ).

thf(1118,plain,
    ! [SV48: $i,SV159: $i] :
      ( ( ( ~ ( element @ SV159 @ ( powerset @ ( powerset @ SV48 ) ) ) )
        = $true )
      | ( ( ( SV159 = empty_set )
          | ( ( complements_of_subsets @ SV48 @ SV159 )
           != empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[940]) ).

thf(1119,plain,
    ! [SV160: $i,SV49: $i] :
      ( ( ( ~ ( in @ SV49 @ SV160 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV49 ) @ SV160 )
          = SV160 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[941]) ).

thf(1120,plain,
    ! [SV51: $i,SV204: $i] :
      ( ( ( ~ ( element @ SV204 @ ( powerset @ SV51 ) )
          | ! [SY713: $i] :
              ( ~ ( element @ SY713 @ SV51 )
              | ( in @ SY713 @ SV204 )
              | ( in @ SY713 @ ( subset_complement @ SV51 @ SV204 ) ) ) )
        = $true )
      | ( ( SV51 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[943]) ).

thf(1121,plain,
    ! [SV162: $i,SV52: $i,SV205: $i] :
      ( ( ~ ( element @ SV205 @ ( powerset @ SV52 ) )
        | ~ ( in @ SV162 @ ( subset_complement @ SV52 @ SV205 ) )
        | ~ ( in @ SV162 @ SV205 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[944]) ).

thf(1122,plain,
    ! [SV53: $i] :
      ( ( ( relation @ SV53 )
        = $false )
      | ( ( ( in @ ( ordered_pair @ ( sK37_B @ SV53 ) @ ( sK38_SY406 @ SV53 ) ) @ SV53 )
          | ( SV53 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[945]) ).

thf(1123,plain,
    ! [SV163: $i,SV55: $i] :
      ( ( ( ! [SY681: $i] :
              ( ( singleton @ SV55 )
             != ( unordered_pair @ SV163 @ SY681 ) ) )
        = $true )
      | ( ( SV55 = SV163 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[946]) ).

thf(1124,plain,
    ! [SV206: $i,SV164: $i,SV57: $i] :
      ( ( ( ( singleton @ SV57 )
         != ( unordered_pair @ SV164 @ SV206 ) )
        | ( SV164 = SV206 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[947]) ).

thf(1125,plain,
    ! [SV165: $i,SV58: $i] :
      ( ( ( ~ ( in @ SV58 @ SV165 ) )
        = $true )
      | ( ( ~ ( in @ SV165 @ SV58 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[948]) ).

thf(1126,plain,
    ! [SV166: $i,SV59: $i] :
      ( ( ( ~ ( proper_subset @ SV59 @ SV166 ) )
        = $true )
      | ( ( ~ ( proper_subset @ SV166 @ SV59 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[949]) ).

thf(1127,plain,
    ! [SV63: $i,SV170: $i] :
      ( ( ( ~ ( element @ SV170 @ ( powerset @ SV63 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV63 @ SV170 )
          = ( set_difference @ SV63 @ SV170 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[953]) ).

thf(1128,plain,
    ! [SV65: $i] :
      ( ( ( relation @ SV65 )
        = $false )
      | ( ( ( relation_field @ SV65 )
          = ( set_union2 @ ( relation_dom @ SV65 ) @ ( relation_rng @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[955]) ).

thf(1129,plain,
    ! [SV67: $i,SV172: $i] :
      ( ( ( ~ ( element @ SV172 @ ( powerset @ SV67 ) ) )
        = $true )
      | ( ( element @ ( subset_complement @ SV67 @ SV172 ) @ ( powerset @ SV67 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[956]) ).

thf(1130,plain,
    ! [SV68: $i,SV173: $i] :
      ( ( ( ~ ( element @ SV173 @ ( powerset @ ( powerset @ SV68 ) ) ) )
        = $true )
      | ( ( element @ ( union_of_subsets @ SV68 @ SV173 ) @ ( powerset @ SV68 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[957]) ).

thf(1131,plain,
    ! [SV69: $i,SV174: $i] :
      ( ( ( ~ ( element @ SV174 @ ( powerset @ ( powerset @ SV69 ) ) ) )
        = $true )
      | ( ( element @ ( meet_of_subsets @ SV69 @ SV174 ) @ ( powerset @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[958]) ).

thf(1132,plain,
    ! [SV207: $i,SV70: $i,SV175: $i] :
      ( ( ~ ( element @ SV175 @ ( powerset @ SV70 ) )
        | ~ ( element @ SV207 @ ( powerset @ SV70 ) )
        | ( element @ ( subset_difference @ SV70 @ SV175 @ SV207 ) @ ( powerset @ SV70 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[959]) ).

thf(1133,plain,
    ! [SV71: $i,SV176: $i] :
      ( ( ( ~ ( element @ SV176 @ ( powerset @ ( powerset @ SV71 ) ) ) )
        = $true )
      | ( ( element @ ( complements_of_subsets @ SV71 @ SV176 ) @ ( powerset @ ( powerset @ SV71 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[960]) ).

thf(1134,plain,
    ! [SV177: $i,SV74: $i] :
      ( ( empty @ ( ordered_pair @ SV74 @ SV177 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[962]) ).

thf(1135,plain,
    ! [SV208: $i,SV76: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV76 @ SV208 ) ) )
        = $true )
      | ( ( empty @ SV76 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[964]) ).

thf(1136,plain,
    ! [SV178: $i,SV77: $i] :
      ( ( empty @ ( unordered_pair @ SV77 @ SV178 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[965]) ).

thf(1137,plain,
    ! [SV78: $i,SV209: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV209 @ SV78 ) ) )
        = $true )
      | ( ( empty @ SV78 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[966]) ).

thf(1138,plain,
    ! [SV179: $i,SV79: $i] :
      ( ( ( ( empty @ SV79 )
          | ( empty @ SV179 ) )
        = $true )
      | ( ( ~ ( empty @ ( cartesian_product2 @ SV79 @ SV179 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[967]) ).

thf(1139,plain,
    ! [SV82: $i,SV180: $i] :
      ( ( ( ~ ( element @ SV180 @ ( powerset @ SV82 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV82 @ ( subset_complement @ SV82 @ SV180 ) )
          = SV180 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[968]) ).

thf(1140,plain,
    ! [SV83: $i,SV181: $i] :
      ( ( ( ~ ( element @ SV181 @ ( powerset @ ( powerset @ SV83 ) ) ) )
        = $true )
      | ( ( ( complements_of_subsets @ SV83 @ ( complements_of_subsets @ SV83 @ SV181 ) )
          = SV181 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[969]) ).

thf(1141,plain,
    ! [SV85: $i,SV182: $i] :
      ( ( ( ~ ( element @ SV182 @ ( powerset @ ( powerset @ SV85 ) ) ) )
        = $true )
      | ( ( ( union_of_subsets @ SV85 @ SV182 )
          = ( union @ SV182 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[971]) ).

thf(1142,plain,
    ! [SV210: $i,SV86: $i,SV183: $i] :
      ( ( ~ ( element @ SV183 @ ( powerset @ SV86 ) )
        | ~ ( element @ SV210 @ ( powerset @ SV86 ) )
        | ( ( subset_difference @ SV86 @ SV183 @ SV210 )
          = ( set_difference @ SV183 @ SV210 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[972]) ).

thf(1143,plain,
    ! [SV184: $i,SV87: $i] :
      ( ( ( ~ ( disjoint @ SV87 @ SV184 ) )
        = $true )
      | ( ( disjoint @ SV184 @ SV87 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[973]) ).

thf(1144,plain,
    ! [SV185: $i,SV89: $i] :
      ( ( ( ~ ( in @ SV89 @ SV185 ) )
        = $true )
      | ( ( element @ SV89 @ SV185 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[974]) ).

thf(1145,plain,
    ! [SV186: $i,SV91: $i] :
      ( ( ( ~ ( element @ SV91 @ SV186 ) )
        = $true )
      | ( ( ( empty @ SV186 )
          | ( in @ SV91 @ SV186 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[975]) ).

thf(1146,plain,
    ! [SV94: $i,SV211: $i,SV187: $i] :
      ( ( ~ ( element @ SV187 @ ( powerset @ SV211 ) )
        | ~ ( in @ SV94 @ SV187 )
        | ( element @ SV94 @ SV211 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[976]) ).

thf(1147,plain,
    ! [SV95: $i,SV212: $i,SV188: $i] :
      ( ( ~ ( element @ SV188 @ ( powerset @ SV212 ) )
        | ~ ( in @ SV95 @ SV188 )
        | ~ ( empty @ SV212 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[977]) ).

thf(1148,plain,
    ! [SV96: $i] :
      ( ( ( empty @ SV96 )
        = $false )
      | ( ( SV96 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[978]) ).

thf(1149,plain,
    ! [SV97: $i,SV189: $i] :
      ( ( ( ~ ( empty @ SV189 ) )
        = $true )
      | ( ( ~ ( in @ SV97 @ SV189 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[979]) ).

thf(1150,plain,
    ! [SV190: $i,SV98: $i] :
      ( ( ( ( SV98 = SV190 )
          | ~ ( empty @ SV98 ) )
        = $true )
      | ( ( ~ ( empty @ SV190 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[980]) ).

thf(1151,plain,
    ! [SV99: $i] :
      ( ( ~ ! [SY517: $i,SY518: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                      | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                      | ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                            | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                        | ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                            | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) ) ) )
              | ( SY518
                = ( set_difference @ SV99 @ SY517 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[981]) ).

thf(1152,plain,
    ! [SV99: $i] :
      ( ( ~ ! [SY519: $i,SY520: $i] :
              ( ( SY520
               != ( set_difference @ SV99 @ SY519 ) )
              | ~ ( ~ ! [SY521: $i] :
                        ( ~ ( in @ SY521 @ SV99 )
                        | ( in @ SY521 @ SY519 )
                        | ( in @ SY521 @ SY520 ) )
                  | ~ ~ ( ~ ! [SY522: $i] :
                              ( ~ ( in @ SY522 @ SY520 )
                              | ( in @ SY522 @ SV99 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY520 )
                              | ~ ( in @ SX3 @ SY519 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[981]) ).

thf(1153,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_dom @ SX0 )
           != empty_set )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[982]) ).

thf(1154,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_rng @ SX0 )
           != empty_set )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[983]) ).

thf(1155,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)],[984]) ).

thf(1156,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[985]) ).

thf(1157,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ( ( sK31_C @ SX1 @ SX0 )
                   != SX0 )
                  | ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( ( sK31_C @ SX1 @ SX0 )
                    = SX0 )
                  | ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( singleton @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[986]) ).

thf(1158,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)],[987]) ).

thf(1159,plain,
    ( ( ! [SX0: $i] :
          ( ( in @ ( sK30_B @ SX0 ) @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[988]) ).

thf(1160,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[989]) ).

thf(1161,plain,
    ! [SV100: $i] :
      ( ( ( relation @ SV100 )
        = $false )
      | ( ( ~ ( ~ ! [SY524: $i] :
                    ( ~ ( ~ ( ! [SY525: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ SY525 ) @ SV100 )
                            | ~ ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ ( sK21_SY396 @ SY524 @ SV100 ) ) @ SV100 )
                            | ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) ) )
                    | ( SY524
                      = ( relation_dom @ SV100 ) ) )
              | ~ ! [SY526: $i] :
                    ( ( SY526
                     != ( relation_dom @ SV100 ) )
                    | ~ ( ~ ! [SY527: $i] :
                              ( ! [SY528: $i] :
                                  ~ ( in @ ( ordered_pair @ SY527 @ SY528 ) @ SV100 )
                              | ( in @ SY527 @ SY526 ) )
                        | ~ ! [SY529: $i] :
                              ( ~ ( in @ SY529 @ SY526 )
                              | ( in @ ( ordered_pair @ SY529 @ ( sK19_D @ SY529 @ SY526 @ SV100 ) ) @ SV100 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[990]) ).

thf(1162,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != empty_set )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[991]) ).

thf(1163,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[992]) ).

thf(1164,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                  | ~ ( subset @ ( sK55_C @ SX1 @ SX0 ) @ SX0 ) )
              | ~ ( ( in @ ( sK55_C @ SX1 @ SX0 ) @ SX1 )
                  | ( subset @ ( sK55_C @ SX1 @ SX0 ) @ SX0 ) ) )
          | ( SX1
            = ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[993]) ).

thf(1165,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)],[994]) ).

thf(1166,plain,
    ! [SV101: $i] :
      ( ( ~ ! [SY530: $i] :
              ( ~ ( subset @ SV101 @ SY530 )
              | ! [SY531: $i] : ( subset @ ( cartesian_product2 @ SV101 @ SY531 ) @ ( cartesian_product2 @ SY530 @ SY531 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[995]) ).

thf(1167,plain,
    ! [SV101: $i] :
      ( ( ~ ! [SY532: $i] :
              ( ~ ( subset @ SV101 @ SY532 )
              | ! [SY533: $i] : ( subset @ ( cartesian_product2 @ SY533 @ SV101 ) @ ( cartesian_product2 @ SY533 @ SY532 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[995]) ).

thf(1168,plain,
    ! [SV102: $i] :
      ( ( ~ ! [SY534: $i,SY535: $i] :
              ( ~ ( in @ SV102 @ SY535 )
              | ~ ( in @ SY534 @ SY535 )
              | ( subset @ ( unordered_pair @ SV102 @ SY534 ) @ SY535 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[996]) ).

thf(1169,plain,
    ! [SV102: $i] :
      ( ( ~ ~ ( ~ ! [SY536: $i,SY537: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV102 @ SY536 ) @ SY537 )
                    | ( in @ SV102 @ SY537 ) )
              | ~ ! [SY538: $i,SY539: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV102 @ SY538 ) @ SY539 )
                    | ( in @ SY538 @ SY539 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[996]) ).

thf(1170,plain,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[997]) ).

thf(1171,plain,
    ( ( ( relation_rng @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[998]) ).

thf(1172,plain,
    ! [SV103: $i] :
      ( ( ( relation @ SV103 )
        = $false )
      | ( ( ~ ( ~ ! [SY540: $i,SY541: $i] :
                    ( ~ ( relation @ SY541 )
                    | ~ ( ~ ( ~ ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                            | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                            | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                        | ~ ~ ( ~ ( ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                                  | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                              | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                                  | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) ) ) )
                    | ( SY541
                      = ( relation_dom_restriction @ SV103 @ SY540 ) ) )
              | ~ ! [SY542: $i,SY543: $i] :
                    ( ~ ( relation @ SY543 )
                    | ( SY543
                     != ( relation_dom_restriction @ SV103 @ SY542 ) )
                    | ~ ( ~ ! [SY544: $i,SY545: $i] :
                              ( ~ ( in @ SY544 @ SY542 )
                              | ~ ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SV103 )
                              | ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SY543 ) )
                        | ~ ~ ( ~ ! [SX3: $i] :
                                    ( ! [SX4: $i] :
                                        ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY543 )
                                    | ( in @ SX3 @ SY542 ) )
                              | ~ ! [SY548: $i,SY549: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SY543 )
                                    | ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SV103 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[999]) ).

thf(1173,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_dom @ SX0 )
           != empty_set )
          | ( ( relation_rng @ SX0 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1000]) ).

thf(1174,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_rng @ SX0 )
           != empty_set )
          | ( ( relation_dom @ SX0 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1001]) ).

thf(1175,plain,
    ! [SV104: $i,SV191: $i] :
      ( ( ( ~ ( element @ SV191 @ ( powerset @ SV104 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY687: $i] :
                    ( ~ ( element @ SY687 @ ( powerset @ SV104 ) )
                    | ~ ( disjoint @ SV191 @ SY687 )
                    | ( subset @ SV191 @ ( subset_complement @ SV104 @ SY687 ) ) )
              | ~ ! [SY688: $i] :
                    ( ~ ( element @ SY688 @ ( powerset @ SV104 ) )
                    | ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SY688 ) )
                    | ( disjoint @ SV191 @ SY688 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1002]) ).

thf(1176,plain,
    ! [SV105: $i] :
      ( ( ( relation @ SV105 )
        = $false )
      | ( ( ~ ( ~ ! [SY553: $i] :
                    ( ~ ( relation @ SY553 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                            | ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                            | ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) ) )
                    | ( SV105 = SY553 ) )
              | ~ ! [SY554: $i] :
                    ( ~ ( relation @ SY554 )
                    | ( SV105 != SY554 )
                    | ~ ( ~ ! [SY555: $i,SY556: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SV105 )
                              | ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SY554 ) )
                        | ~ ! [SY557: $i,SY558: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SY554 )
                              | ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SV105 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1003]) ).

thf(1177,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ! [SY689: $i,SY690: $i] :
              ( ~ ( relation @ SY690 )
              | ~ ( in @ SV106 @ SY689 )
              | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY690 )
              | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY689 ) @ SY690 ) ) )
        | ~ ~ ( ~ ! [SY691: $i,SY692: $i] :
                    ( ~ ( relation @ SY692 )
                    | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY691 ) @ SY692 ) )
                    | ( in @ SV106 @ SY691 ) )
              | ~ ! [SY693: $i,SY694: $i] :
                    ( ~ ( relation @ SY694 )
                    | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY693 ) @ SY694 ) )
                    | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY694 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1004]) ).

thf(1178,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_rng @ SX0 )
            = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1005]) ).

thf(1179,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_dom @ SX0 )
            = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1006]) ).

thf(1180,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != empty_set )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1007]) ).

thf(1181,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1008]) ).

thf(1182,plain,
    ! [SV107: $i] :
      ( ( ( relation @ SV107 )
        = $false )
      | ( ( ! [SY566: $i] :
              ( ~ ( relation @ SY566 )
              | ~ ( ~ ! [SY567: $i] :
                        ( ~ ( relation @ SY567 )
                        | ~ ( ~ ( ! [SY568: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ SY568 ) @ SV107 )
                                    | ~ ( in @ ( ordered_pair @ SY568 @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY566 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY567 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK12_SY391 @ SY567 @ SY566 @ SV107 ) ) @ SV107 )
                                    | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY566 ) )
                                | ( in @ ( ordered_pair @ ( sK10_D @ SY567 @ SY566 @ SV107 ) @ ( sK11_SY387 @ SY567 @ SY566 @ SV107 ) ) @ SY567 ) ) )
                        | ( SY567
                          = ( relation_composition @ SV107 @ SY566 ) ) )
                  | ~ ! [SY569: $i] :
                        ( ~ ( relation @ SY569 )
                        | ( SY569
                         != ( relation_composition @ SV107 @ SY566 ) )
                        | ~ ( ~ ! [SY570: $i,SY571: $i] :
                                  ( ! [SY572: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SY570 @ SY572 ) @ SV107 )
                                      | ~ ( in @ ( ordered_pair @ SY572 @ SY571 ) @ SY566 ) )
                                  | ( in @ ( ordered_pair @ SY570 @ SY571 ) @ SY569 ) )
                            | ~ ! [SY573: $i,SY574: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY573 @ SY574 ) @ SY569 )
                                  | ~ ( ~ ( in @ ( ordered_pair @ SY573 @ ( sK9_F @ SY574 @ SY573 @ SY569 @ SY566 @ SV107 ) ) @ SV107 )
                                      | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY574 @ SY573 @ SY569 @ SY566 @ SV107 ) @ SY574 ) @ SY566 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1009]) ).

thf(1183,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ! [SY695: $i,SY696: $i] :
              ( ~ ( in @ SV108 @ SY695 )
              | ~ ( in @ SV193 @ SY696 )
              | ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY695 @ SY696 ) ) )
        | ~ ~ ( ~ ! [SY697: $i] :
                    ( ! [SY698: $i] :
                        ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY697 @ SY698 ) )
                    | ( in @ SV108 @ SY697 ) )
              | ~ ! [SY699: $i,SY700: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY699 @ SY700 ) )
                    | ( in @ SV193 @ SY700 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1010]) ).

thf(1184,plain,
    ! [SV109: $i] :
      ( ( ~ ! [SY582: $i,SY583: $i] :
              ( ~ ( relation @ SY583 )
              | ~ ( in @ ( ordered_pair @ SV109 @ SY582 ) @ SY583 )
              | ( in @ SV109 @ ( relation_dom @ SY583 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1011]) ).

thf(1185,plain,
    ! [SV109: $i] :
      ( ( ~ ! [SY584: $i,SY585: $i] :
              ( ~ ( relation @ SY585 )
              | ~ ( in @ ( ordered_pair @ SV109 @ SY584 ) @ SY585 )
              | ( in @ SY584 @ ( relation_rng @ SY585 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1011]) ).

thf(1186,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ( in @ ( sK39_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1012]) ).

thf(1187,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1013]) ).

thf(1188,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != SX0 )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1014]) ).

thf(1189,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1015]) ).

thf(1190,plain,
    ! [SV110: $i] :
      ( ( ( relation @ SV110 )
        = $false )
      | ( ( ~ ( ~ ! [SY586: $i] :
                    ( ~ ( relation @ SY586 )
                    | ~ ( subset @ SV110 @ SY586 )
                    | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SY586 ) ) )
              | ~ ! [SY587: $i] :
                    ( ~ ( relation @ SY587 )
                    | ~ ( subset @ SV110 @ SY587 )
                    | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SY587 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1016]) ).

thf(1191,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ~ ( ~ ( in @ ( sK40_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ( in @ ( sK40_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1017]) ).

thf(1192,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ~ ( in @ SX2 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1018]) ).

thf(1193,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1019]) ).

thf(1194,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1020]) ).

thf(1195,plain,
    ! [SV111: $i] :
      ( ( ~ ! [SY588: $i,SY589: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                            | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 ) )
                        | ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                            | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
                  | ~ ( ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                      | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 )
                      | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
              | ( SY589
                = ( set_union2 @ SV111 @ SY588 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1021]) ).

thf(1196,plain,
    ! [SV111: $i] :
      ( ( ~ ! [SY590: $i,SY591: $i] :
              ( ( SY591
               != ( set_union2 @ SV111 @ SY590 ) )
              | ~ ( ~ ! [SY592: $i] :
                        ( ~ ( in @ SY592 @ SY591 )
                        | ( in @ SY592 @ SV111 )
                        | ( in @ SY592 @ SY590 ) )
                  | ~ ~ ( ~ ! [SY593: $i] :
                              ( ~ ( in @ SY593 @ SV111 )
                              | ( in @ SY593 @ SY591 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY590 )
                              | ( in @ SX3 @ SY591 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1021]) ).

thf(1197,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1022]) ).

thf(1198,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1023]) ).

thf(1199,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY595: $i] :
              ( ~ ( subset @ SY595 @ ( sK41_B @ SV112 ) )
              | ( are_equipotent @ SY595 @ ( sK41_B @ SV112 ) )
              | ( in @ SY595 @ ( sK41_B @ SV112 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1024]) ).

thf(1200,plain,
    ! [SV112: $i] :
      ( ( ~ ~ ( ~ ! [SY596: $i] :
                    ( ~ ( in @ SY596 @ ( sK41_B @ SV112 ) )
                    | ( in @ ( powerset @ SY596 ) @ ( sK41_B @ SV112 ) ) )
              | ~ ~ ( ~ ! [SY597: $i,SY598: $i] :
                          ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
                          | ~ ( subset @ SY598 @ SY597 )
                          | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
                    | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1024]) ).

thf(1201,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ! [SY701: $i,SY702: $i] :
              ( ~ ( in @ SV113 @ SY701 )
              | ~ ( in @ SV194 @ SY702 )
              | ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY701 @ SY702 ) ) )
        | ~ ~ ( ~ ! [SY703: $i] :
                    ( ! [SY704: $i] :
                        ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY703 @ SY704 ) )
                    | ( in @ SV113 @ SY703 ) )
              | ~ ! [SY705: $i,SY706: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY705 @ SY706 ) )
                    | ( in @ SV194 @ SY706 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1025]) ).

thf(1202,plain,
    ! [SV114: $i] :
      ( ( ( relation @ SV114 )
        = $false )
      | ( ( ~ ( ~ ! [SY606: $i] :
                    ( ~ ( relation @ SY606 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SV114 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SY606 ) )
                    | ( subset @ SV114 @ SY606 ) )
              | ~ ! [SY607: $i] :
                    ( ~ ( relation @ SY607 )
                    | ~ ( subset @ SV114 @ SY607 )
                    | ! [SY608: $i,SY609: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SV114 )
                        | ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SY607 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1026]) ).

thf(1203,plain,
    ! [SV115: $i] :
      ( ( ( relation @ SV115 )
        = $false )
      | ( ( ~ ( ~ ! [SY610: $i] :
                    ( ~ ( relation @ SY610 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                            | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                            | ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) ) )
                    | ( SY610
                      = ( relation_inverse @ SV115 ) ) )
              | ~ ! [SY611: $i] :
                    ( ~ ( relation @ SY611 )
                    | ( SY611
                     != ( relation_inverse @ SV115 ) )
                    | ~ ( ~ ! [SY612: $i,SY613: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY612 @ SY613 ) @ SY611 )
                              | ( in @ ( ordered_pair @ SY613 @ SY612 ) @ SV115 ) )
                        | ~ ! [SY614: $i,SY615: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY615 @ SY614 ) @ SV115 )
                              | ( in @ ( ordered_pair @ SY614 @ SY615 ) @ SY611 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1027]) ).

thf(1204,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
           != SX0 )
          | ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1028]) ).

thf(1205,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( in @ SX1 @ SX0 )
          | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1029]) ).

thf(1206,plain,
    ( ( ~ ( empty @ sK45_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1030]) ).

thf(1207,plain,
    ( ( relation @ sK45_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1031]) ).

thf(1208,plain,
    ! [SV116: $i] :
      ( ( ~ ! [SY616: $i,SY617: $i] :
              ( ~ ( relation @ SY617 )
              | ~ ( in @ SV116 @ SY616 )
              | ~ ( in @ SV116 @ ( relation_dom @ SY617 ) )
              | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY617 @ SY616 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1032]) ).

thf(1209,plain,
    ! [SV116: $i] :
      ( ( ~ ~ ( ~ ! [SY618: $i,SY619: $i] :
                    ( ~ ( relation @ SY619 )
                    | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY619 @ SY618 ) ) )
                    | ( in @ SV116 @ SY618 ) )
              | ~ ! [SY620: $i,SY621: $i] :
                    ( ~ ( relation @ SY621 )
                    | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY621 @ SY620 ) ) )
                    | ( in @ SV116 @ ( relation_dom @ SY621 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1032]) ).

thf(1210,plain,
    ! [SV117: $i] :
      ( ( ~ ! [SY622: $i,SY623: $i] :
              ( ~ ( relation @ SY623 )
              | ~ ( in @ ( ordered_pair @ SV117 @ SY622 ) @ SY623 )
              | ( in @ SV117 @ ( relation_field @ SY623 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1033]) ).

thf(1211,plain,
    ! [SV117: $i] :
      ( ( ~ ! [SY624: $i,SY625: $i] :
              ( ~ ( relation @ SY625 )
              | ~ ( in @ ( ordered_pair @ SV117 @ SY624 ) @ SY625 )
              | ( in @ SY624 @ ( relation_field @ SY625 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1033]) ).

thf(1212,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                   != ( sK36_SY405 @ SX1 @ SX0 ) )
                  | ~ ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
              | ~ ~ ( ~ ( ( ( sK35_C @ SX1 @ SX0 )
                          = ( sK36_SY405 @ SX1 @ SX0 ) )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) )
                    | ~ ( ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SX1 @ SX0 ) @ ( sK36_SY405 @ SX1 @ SX0 ) ) @ SX1 ) ) ) )
          | ( SX1
            = ( identity_relation @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1034]) ).

thf(1213,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)],[1035]) ).

thf(1214,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1036]) ).

thf(1215,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1037]) ).

thf(1216,plain,
    ( ( empty @ sK46_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1038]) ).

thf(1217,plain,
    ( ( relation @ sK46_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1039]) ).

thf(1218,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY626: $i,SY627: $i] :
              ( ~ ( ~ ( ! [SY628: $i,SY629: $i] :
                          ( ~ ( in @ SY628 @ SV118 )
                          | ~ ( in @ SY629 @ SY626 )
                          | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                           != ( ordered_pair @ SY628 @ SY629 ) ) )
                      | ~ ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) )
                  | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ SV118 )
                                | ~ ( in @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) @ SY626 ) )
                          | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                           != ( ordered_pair @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) ) ) )
                      | ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) ) )
              | ( SY627
                = ( cartesian_product2 @ SV118 @ SY626 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1040]) ).

thf(1219,plain,
    ! [SV118: $i] :
      ( ( ~ ! [SY630: $i,SY631: $i] :
              ( ( SY631
               != ( cartesian_product2 @ SV118 @ SY630 ) )
              | ~ ( ~ ! [SY632: $i] :
                        ( ! [SY633: $i,SY634: $i] :
                            ( ~ ( in @ SY633 @ SV118 )
                            | ~ ( in @ SY634 @ SY630 )
                            | ( SY632
                             != ( ordered_pair @ SY633 @ SY634 ) ) )
                        | ( in @ SY632 @ SY631 ) )
                  | ~ ! [SY635: $i] :
                        ( ~ ( in @ SY635 @ SY631 )
                        | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ SV118 )
                                  | ~ ( in @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) @ SY630 ) )
                            | ( SY635
                             != ( ordered_pair @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1040]) ).

thf(1220,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_intersection2 @ SX0 @ SX1 )
           != empty_set )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1041]) ).

thf(1221,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( ( set_intersection2 @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1042]) ).

thf(1222,plain,
    ! [SV119: $i] :
      ( ( ~ ! [SY636: $i,SY637: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                            | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                             != SV119 ) )
                        | ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                            | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                             != SY636 ) ) )
                  | ~ ( ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                      | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                        = SV119 )
                      | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                        = SY636 ) ) )
              | ( SY637
                = ( unordered_pair @ SV119 @ SY636 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1223,plain,
    ! [SV119: $i] :
      ( ( ~ ! [SY638: $i,SY639: $i] :
              ( ( SY639
               != ( unordered_pair @ SV119 @ SY638 ) )
              | ~ ( ~ ! [SY640: $i] :
                        ( ~ ( in @ SY640 @ SY639 )
                        | ( SY640 = SV119 )
                        | ( SY640 = SY638 ) )
                  | ~ ~ ( ~ ! [SY641: $i] :
                              ( ( SY641 != SV119 )
                              | ( in @ SY641 @ SY639 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY638 )
                              | ( in @ SX3 @ SY639 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1224,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ( sK58_B @ SX0 )
                   != ( ordered_pair @ SX1 @ SX2 ) )
              | ~ ( in @ ( sK58_B @ SX0 ) @ SX0 ) )
          | ( relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1044]) ).

thf(1225,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ( SX1
                = ( ordered_pair @ ( sK56_C @ SX1 @ SX0 ) @ ( sK57_SY422 @ SX1 @ SX0 ) ) )
              | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1045]) ).

thf(1226,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
                  | ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) )
              | ~ ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
                  | ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) ) ) )
        = $true )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1046]) ).

thf(1227,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)],[1047]) ).

thf(1228,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)],[1048]) ).

thf(1229,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1049]) ).

thf(1230,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)],[1050]) ).

thf(1231,plain,
    ! [SV121: $i] :
      ( ( ~ ! [SY644: $i] :
              ( ~ ( subset @ SY644 @ ( sK43_B @ SV121 ) )
              | ( are_equipotent @ SY644 @ ( sK43_B @ SV121 ) )
              | ( in @ SY644 @ ( sK43_B @ SV121 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1051]) ).

thf(1232,plain,
    ! [SV121: $i] :
      ( ( ~ ~ ( ~ ! [SY645: $i] :
                    ( ~ ( ~ ! [SY646: $i] :
                              ( ~ ( subset @ SY646 @ SY645 )
                              | ( in @ SY646 @ ( sK44_SY413 @ SY645 @ SV121 ) ) )
                        | ~ ( in @ ( sK44_SY413 @ SY645 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
                    | ~ ( in @ SY645 @ ( sK43_B @ SV121 ) ) )
              | ~ ~ ( ~ ! [SY647: $i,SY648: $i] :
                          ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
                          | ~ ( subset @ SY648 @ SY647 )
                          | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
                    | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1051]) ).

thf(1233,plain,
    ! [SV122: $i] :
      ( ( ( ~ ( element @ ( sK7_B @ SV122 ) @ ( powerset @ SV122 ) )
          | ~ ~ ( empty @ ( sK7_B @ SV122 ) ) )
        = $false )
      | ( ( empty @ SV122 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1052]) ).

thf(1234,plain,
    ! [SV123: $i] :
      ( ( ~ ( element @ ( sK5_B @ SV123 ) @ ( powerset @ SV123 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1053]) ).

thf(1235,plain,
    ! [SV123: $i] :
      ( ( ~ ( empty @ ( sK5_B @ SV123 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1053]) ).

thf(1236,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 = empty_set )
                | ! [SX1: $i] :
                    ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SX1 @ SX0 ) @ SX0 )
                                | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ ( sK34_SY403 @ SX1 @ SX0 ) ) )
                            | ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ! [SX2: $i] :
                                ( ~ ( in @ SX2 @ SX0 )
                                | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX2 ) )
                            | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) ) )
                    | ( SX1
                      = ( set_meet @ SX0 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 = empty_set )
                | ! [SX1: $i] :
                    ( ( SX1
                     != ( set_meet @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ( ~ ( ~ ( in @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ SX2 @ ( sK32_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)],[1054]) ).

thf(1237,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)],[1055]) ).

thf(1238,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1056]) ).

thf(1239,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)],[1057]) ).

thf(1240,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( empty @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1058]) ).

thf(1241,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( relation @ ( relation_composition @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1059]) ).

thf(1242,plain,
    ( ( ! [SX0: $i] :
          ( ( relation_dom @ ( identity_relation @ SX0 ) )
          = SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1060]) ).

thf(1243,plain,
    ( ( ! [SX0: $i] :
          ( ( relation_rng @ ( identity_relation @ SX0 ) )
          = SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1061]) ).

thf(1244,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV124 )
              | ~ ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV196 ) ) )
        = $true )
      | ( ( element @ SV124 @ ( powerset @ SV196 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1062]) ).

thf(1245,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 = SX1 )
          | ~ ( subset @ SX0 @ SX1 )
          | ( proper_subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1063]) ).

thf(1246,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)],[1064]) ).

thf(1247,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( empty @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1065]) ).

thf(1248,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( empty @ SX0 )
          | ~ ( relation @ SX1 )
          | ( relation @ ( relation_composition @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1066]) ).

thf(1249,plain,
    ! [SV125: $i] :
      ( ( ~ ! [SY650: $i,SY651: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                      | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                      | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                            | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                        | ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                            | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) ) ) )
              | ( SY651
                = ( set_intersection2 @ SV125 @ SY650 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1067]) ).

thf(1250,plain,
    ! [SV125: $i] :
      ( ( ~ ! [SY652: $i,SY653: $i] :
              ( ( SY653
               != ( set_intersection2 @ SV125 @ SY652 ) )
              | ~ ( ~ ! [SY654: $i] :
                        ( ~ ( in @ SY654 @ SV125 )
                        | ~ ( in @ SY654 @ SY652 )
                        | ( in @ SY654 @ SY653 ) )
                  | ~ ~ ( ~ ! [SY655: $i] :
                              ( ~ ( in @ SY655 @ SY653 )
                              | ( in @ SY655 @ SV125 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY653 )
                              | ( in @ SX3 @ SY652 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1067]) ).

thf(1251,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1068]) ).

thf(1252,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1069]) ).

thf(1253,plain,
    ! [SV126: $i] :
      ( ( ( relation @ SV126 )
        = $false )
      | ( ( ~ ( ~ ! [SY657: $i] :
                    ( ~ ( ~ ( ! [SY658: $i] :
                                ~ ( in @ ( ordered_pair @ SY658 @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                            | ~ ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SY657 @ SV126 ) @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                            | ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) ) )
                    | ( SY657
                      = ( relation_rng @ SV126 ) ) )
              | ~ ! [SY659: $i] :
                    ( ( SY659
                     != ( relation_rng @ SV126 ) )
                    | ~ ( ~ ! [SY660: $i] :
                              ( ! [SY661: $i] :
                                  ~ ( in @ ( ordered_pair @ SY661 @ SY660 ) @ SV126 )
                              | ( in @ SY660 @ SY659 ) )
                        | ~ ! [SY662: $i] :
                              ( ~ ( in @ SY662 @ SY659 )
                              | ( in @ ( ordered_pair @ ( sK47_D @ SY662 @ SY659 @ SV126 ) @ SY662 ) @ SV126 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1070]) ).

thf(1254,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ! [SX2: $i] :
                      ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX2 )
                      | ~ ( in @ SX2 @ SX0 ) )
                  | ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ~ ( ~ ( in @ ( sK17_C @ SX1 @ SX0 ) @ ( sK18_SY394 @ SX1 @ SX0 ) )
                      | ~ ( in @ ( sK18_SY394 @ SX1 @ SX0 ) @ SX0 ) )
                  | ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1071]) ).

thf(1255,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 @ ( sK16_D @ SX2 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK16_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1072]) ).

thf(1256,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_rng @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1073]) ).

thf(1257,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1074]) ).

thf(1258,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1075]) ).

thf(1259,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)],[1076]) ).

thf(1260,plain,
    ! [SV197: $i,SV127: $i] :
      ( ( ~ ! [SY707: $i] :
              ( ! [SY708: $i] :
                  ( ( ordered_pair @ SV127 @ SV197 )
                 != ( ordered_pair @ SY707 @ SY708 ) )
              | ( SV127 = SY707 ) )
        | ~ ! [SY709: $i,SY710: $i] :
              ( ( ( ordered_pair @ SV127 @ SV197 )
               != ( ordered_pair @ SY709 @ SY710 ) )
              | ( SV197 = SY710 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1077]) ).

thf(1261,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1078]) ).

thf(1262,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1079]) ).

thf(1263,plain,
    ! [SV128: $i,SV1: $i] :
      ( ( ( in @ SV1 @ SV128 )
        = $false )
      | ( ( subset @ SV1 @ ( union @ SV128 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1080]) ).

thf(1264,plain,
    ! [SV213: $i,SV198: $i,SV129: $i,SV2: $i] :
      ( ( ~ ( subset @ SV2 @ SV129 )
        | ~ ( subset @ SV198 @ SV213 )
        | ( subset @ ( cartesian_product2 @ SV2 @ SV198 ) @ ( cartesian_product2 @ SV129 @ SV213 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1081]) ).

thf(1265,plain,
    ! [SV130: $i,SV3: $i] :
      ( ( ( subset @ SV3 @ SV130 )
        = $false )
      | ( ( ( set_union2 @ SV3 @ SV130 )
          = SV130 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1082]) ).

thf(1266,plain,
    ! [SV199: $i,SV132: $i,SV5: $i] :
      ( ( ( ~ ( subset @ SV5 @ SV132 )
          | ~ ( subset @ SV5 @ SV199 ) )
        = $true )
      | ( ( subset @ SV5 @ ( set_intersection2 @ SV132 @ SV199 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1083]) ).

thf(1267,plain,
    ! [SV200: $i,SV133: $i,SV6: $i] :
      ( ( ( ~ ( subset @ SV6 @ SV133 )
          | ~ ( subset @ SV133 @ SV200 ) )
        = $true )
      | ( ( subset @ SV6 @ SV200 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1084]) ).

thf(1268,plain,
    ! [SV134: $i,SV8: $i] :
      ( ( ( subset @ SV8 @ SV134 )
        = $false )
      | ( ( ! [SY672: $i] : ( subset @ ( set_intersection2 @ SV8 @ SY672 ) @ ( set_intersection2 @ SV134 @ SY672 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1086]) ).

thf(1269,plain,
    ! [SV135: $i,SV9: $i] :
      ( ( ( subset @ SV9 @ SV135 )
        = $false )
      | ( ( ( set_intersection2 @ SV9 @ SV135 )
          = SV9 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1087]) ).

thf(1270,plain,
    ! [SV136: $i,SV11: $i] :
      ( ( ( subset @ SV11 @ SV136 )
        = $false )
      | ( ( ! [SY673: $i] : ( subset @ ( set_difference @ SV11 @ SY673 ) @ ( set_difference @ SV136 @ SY673 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1088]) ).

thf(1271,plain,
    ! [SV14: $i,SV214: $i] :
      ( ( ( ~ ( relation @ SV214 )
          | ( subset @ ( relation_dom @ ( relation_composition @ SV14 @ SV214 ) ) @ ( relation_dom @ SV14 ) ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1090]) ).

thf(1272,plain,
    ! [SV15: $i,SV215: $i] :
      ( ( ( ~ ( relation @ SV215 )
          | ( subset @ ( relation_rng @ ( relation_composition @ SV15 @ SV215 ) ) @ ( relation_rng @ SV215 ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1091]) ).

thf(1273,plain,
    ! [SV138: $i,SV16: $i] :
      ( ( ( subset @ SV16 @ SV138 )
        = $false )
      | ( ( SV138
          = ( set_union2 @ SV16 @ ( set_difference @ SV138 @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1092]) ).

thf(1274,plain,
    ! [SV17: $i,SV216: $i] :
      ( ( ( ~ ( relation @ SV216 )
          | ~ ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SV216 ) )
          | ( ( relation_dom @ ( relation_composition @ SV17 @ SV216 ) )
            = ( relation_dom @ SV17 ) ) )
        = $true )
      | ( ( relation @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1093]) ).

thf(1275,plain,
    ! [SV18: $i,SV217: $i] :
      ( ( ( ~ ( relation @ SV217 )
          | ~ ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SV217 ) )
          | ( ( relation_rng @ ( relation_composition @ SV217 @ SV18 ) )
            = ( relation_rng @ SV18 ) ) )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1094]) ).

thf(1276,plain,
    ! [SV19: $i,SV139: $i] :
      ( ( ( proper_subset @ SV139 @ SV19 )
        = $false )
      | ( ( ~ ( subset @ SV19 @ SV139 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1095]) ).

thf(1277,plain,
    ! [SV20: $i,SV201: $i,SV140: $i] :
      ( ( ( ~ ( disjoint @ SV140 @ SV201 )
          | ~ ( subset @ SV20 @ SV140 ) )
        = $true )
      | ( ( disjoint @ SV20 @ SV201 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1096]) ).

thf(1278,plain,
    ! [SV141: $i,SV21: $i] :
      ( ( ( subset @ ( singleton @ SV21 ) @ ( singleton @ SV141 ) )
        = $false )
      | ( ( SV21 = SV141 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1097]) ).

thf(1279,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( relation @ SV143 )
        = $false )
      | ( ( subset @ ( relation_dom_restriction @ SV143 @ SV23 ) @ SV143 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1098]) ).

thf(1280,plain,
    ! [SV202: $i,SV144: $i,SV24: $i] :
      ( ( ( ~ ( subset @ SV24 @ SV144 )
          | ~ ( subset @ SV202 @ SV144 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV24 @ SV202 ) @ SV144 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1099]) ).

thf(1281,plain,
    ! [SV25: $i,SV145: $i] :
      ( ( ( relation @ SV145 )
        = $false )
      | ( ( ( relation_dom @ ( relation_dom_restriction @ SV145 @ SV25 ) )
          = ( set_intersection2 @ ( relation_dom @ SV145 ) @ SV25 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1100]) ).

thf(1282,plain,
    ! [SV146: $i,SV26: $i] :
      ( ( ( in @ SV26 @ SV146 )
        = $false )
      | ( ( subset @ SV26 @ ( union @ SV146 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1101]) ).

thf(1283,plain,
    ! [SV27: $i,SV147: $i] :
      ( ( ( relation @ SV147 )
        = $false )
      | ( ( ( relation_dom_restriction @ SV147 @ SV27 )
          = ( relation_composition @ ( identity_relation @ SV27 ) @ SV147 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1102]) ).

thf(1284,plain,
    ! [SV148: $i,SV30: $i] :
      ( ( ( ~ ( relation @ SV30 ) )
        = $true )
      | ( ( ~ ( relation @ SV148 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV30 @ SV148 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1105]) ).

thf(1285,plain,
    ! [SV218: $i,SV32: $i] :
      ( ( ( relation @ ( relation_dom_restriction @ SV32 @ SV218 ) )
        = $true )
      | ( ( relation @ SV32 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1106]) ).

thf(1286,plain,
    ! [SV149: $i,SV33: $i] :
      ( ( ( ~ ( relation @ SV33 ) )
        = $true )
      | ( ( ~ ( relation @ SV149 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV33 @ SV149 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1107]) ).

thf(1287,plain,
    ! [SV150: $i,SV34: $i] :
      ( ( ( ~ ( relation @ SV34 ) )
        = $true )
      | ( ( ~ ( relation @ SV150 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV34 @ SV150 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1108]) ).

thf(1288,plain,
    ! [SV35: $i] :
      ( ( ( relation @ SV35 )
        = $false )
      | ( ( empty @ SV35 )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1109]) ).

thf(1289,plain,
    ! [SV36: $i] :
      ( ( ( relation @ SV36 )
        = $false )
      | ( ( empty @ SV36 )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV36 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1110]) ).

thf(1290,plain,
    ! [SV151: $i,SV40: $i] :
      ( ( ( in @ SV40 @ SV151 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV40 ) @ SV151 )
          = SV151 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1112]) ).

thf(1291,plain,
    ! [SV152: $i,SV41: $i] :
      ( ( ( disjoint @ ( singleton @ SV41 ) @ SV152 )
        = $false )
      | ( ( ~ ( in @ SV41 @ SV152 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1113]) ).

thf(1292,plain,
    ! [SV43: $i,SV154: $i] :
      ( ( ( element @ SV154 @ ( powerset @ SV43 ) )
        = $false )
      | ( ( ! [SY676: $i] :
              ( ~ ( in @ SY676 @ SV154 )
              | ( in @ SY676 @ SV43 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1115]) ).

thf(1293,plain,
    ! [SV155: $i,SV44: $i] :
      ( ( ( subset @ SV44 @ SV155 )
        = $false )
      | ( ( ! [SY677: $i] :
              ( ( in @ SY677 @ SV44 )
              | ( subset @ SV44 @ ( set_difference @ SV155 @ ( singleton @ SY677 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1116]) ).

thf(1294,plain,
    ! [SV156: $i,SV203: $i,SV219: $i,SV45: $i] :
      ( ( ( SV45 = SV219 )
        | ( SV45 = SV203 )
        | ( ( unordered_pair @ SV45 @ SV156 )
         != ( unordered_pair @ SV203 @ SV219 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1117]) ).

thf(1295,plain,
    ! [SV48: $i,SV159: $i] :
      ( ( ( element @ SV159 @ ( powerset @ ( powerset @ SV48 ) ) )
        = $false )
      | ( ( ( SV159 = empty_set )
          | ( ( complements_of_subsets @ SV48 @ SV159 )
           != empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1118]) ).

thf(1296,plain,
    ! [SV160: $i,SV49: $i] :
      ( ( ( in @ SV49 @ SV160 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV49 ) @ SV160 )
          = SV160 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1119]) ).

thf(1297,plain,
    ! [SV51: $i,SV204: $i] :
      ( ( ( ~ ( element @ SV204 @ ( powerset @ SV51 ) ) )
        = $true )
      | ( ( ! [SY713: $i] :
              ( ~ ( element @ SY713 @ SV51 )
              | ( in @ SY713 @ SV204 )
              | ( in @ SY713 @ ( subset_complement @ SV51 @ SV204 ) ) ) )
        = $true )
      | ( ( SV51 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1120]) ).

thf(1298,plain,
    ! [SV162: $i,SV52: $i,SV205: $i] :
      ( ( ( ~ ( element @ SV205 @ ( powerset @ SV52 ) ) )
        = $true )
      | ( ( ~ ( in @ SV162 @ ( subset_complement @ SV52 @ SV205 ) )
          | ~ ( in @ SV162 @ SV205 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1121]) ).

thf(1299,plain,
    ! [SV53: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK37_B @ SV53 ) @ ( sK38_SY406 @ SV53 ) ) @ SV53 )
        = $true )
      | ( ( SV53 = empty_set )
        = $true )
      | ( ( relation @ SV53 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1122]) ).

thf(1300,plain,
    ! [SV220: $i,SV163: $i,SV55: $i] :
      ( ( ( ( ( singleton @ SV55 )
           != ( unordered_pair @ SV163 @ SV220 ) ) )
        = $true )
      | ( ( SV55 = SV163 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1123]) ).

thf(1301,plain,
    ! [SV206: $i,SV164: $i,SV57: $i] :
      ( ( ( ( ( singleton @ SV57 )
           != ( unordered_pair @ SV164 @ SV206 ) ) )
        = $true )
      | ( ( SV164 = SV206 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1124]) ).

thf(1302,plain,
    ! [SV165: $i,SV58: $i] :
      ( ( ( in @ SV58 @ SV165 )
        = $false )
      | ( ( ~ ( in @ SV165 @ SV58 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1125]) ).

thf(1303,plain,
    ! [SV166: $i,SV59: $i] :
      ( ( ( proper_subset @ SV59 @ SV166 )
        = $false )
      | ( ( ~ ( proper_subset @ SV166 @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1126]) ).

thf(1304,plain,
    ! [SV63: $i,SV170: $i] :
      ( ( ( element @ SV170 @ ( powerset @ SV63 ) )
        = $false )
      | ( ( ( subset_complement @ SV63 @ SV170 )
          = ( set_difference @ SV63 @ SV170 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1127]) ).

thf(1305,plain,
    ! [SV67: $i,SV172: $i] :
      ( ( ( element @ SV172 @ ( powerset @ SV67 ) )
        = $false )
      | ( ( element @ ( subset_complement @ SV67 @ SV172 ) @ ( powerset @ SV67 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1129]) ).

thf(1306,plain,
    ! [SV68: $i,SV173: $i] :
      ( ( ( element @ SV173 @ ( powerset @ ( powerset @ SV68 ) ) )
        = $false )
      | ( ( element @ ( union_of_subsets @ SV68 @ SV173 ) @ ( powerset @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1130]) ).

thf(1307,plain,
    ! [SV69: $i,SV174: $i] :
      ( ( ( element @ SV174 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false )
      | ( ( element @ ( meet_of_subsets @ SV69 @ SV174 ) @ ( powerset @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1131]) ).

thf(1308,plain,
    ! [SV207: $i,SV70: $i,SV175: $i] :
      ( ( ( ~ ( element @ SV175 @ ( powerset @ SV70 ) )
          | ~ ( element @ SV207 @ ( powerset @ SV70 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV70 @ SV175 @ SV207 ) @ ( powerset @ SV70 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1132]) ).

thf(1309,plain,
    ! [SV71: $i,SV176: $i] :
      ( ( ( element @ SV176 @ ( powerset @ ( powerset @ SV71 ) ) )
        = $false )
      | ( ( element @ ( complements_of_subsets @ SV71 @ SV176 ) @ ( powerset @ ( powerset @ SV71 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1133]) ).

thf(1310,plain,
    ! [SV208: $i,SV76: $i] :
      ( ( ( empty @ ( set_union2 @ SV76 @ SV208 ) )
        = $false )
      | ( ( empty @ SV76 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1135]) ).

thf(1311,plain,
    ! [SV78: $i,SV209: $i] :
      ( ( ( empty @ ( set_union2 @ SV209 @ SV78 ) )
        = $false )
      | ( ( empty @ SV78 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1137]) ).

thf(1312,plain,
    ! [SV179: $i,SV79: $i] :
      ( ( ( empty @ SV79 )
        = $true )
      | ( ( empty @ SV179 )
        = $true )
      | ( ( ~ ( empty @ ( cartesian_product2 @ SV79 @ SV179 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1138]) ).

thf(1313,plain,
    ! [SV82: $i,SV180: $i] :
      ( ( ( element @ SV180 @ ( powerset @ SV82 ) )
        = $false )
      | ( ( ( subset_complement @ SV82 @ ( subset_complement @ SV82 @ SV180 ) )
          = SV180 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1139]) ).

thf(1314,plain,
    ! [SV83: $i,SV181: $i] :
      ( ( ( element @ SV181 @ ( powerset @ ( powerset @ SV83 ) ) )
        = $false )
      | ( ( ( complements_of_subsets @ SV83 @ ( complements_of_subsets @ SV83 @ SV181 ) )
          = SV181 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1140]) ).

thf(1315,plain,
    ! [SV85: $i,SV182: $i] :
      ( ( ( element @ SV182 @ ( powerset @ ( powerset @ SV85 ) ) )
        = $false )
      | ( ( ( union_of_subsets @ SV85 @ SV182 )
          = ( union @ SV182 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1141]) ).

thf(1316,plain,
    ! [SV210: $i,SV86: $i,SV183: $i] :
      ( ( ( ~ ( element @ SV183 @ ( powerset @ SV86 ) )
          | ~ ( element @ SV210 @ ( powerset @ SV86 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV86 @ SV183 @ SV210 )
          = ( set_difference @ SV183 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1142]) ).

thf(1317,plain,
    ! [SV184: $i,SV87: $i] :
      ( ( ( disjoint @ SV87 @ SV184 )
        = $false )
      | ( ( disjoint @ SV184 @ SV87 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1143]) ).

thf(1318,plain,
    ! [SV185: $i,SV89: $i] :
      ( ( ( in @ SV89 @ SV185 )
        = $false )
      | ( ( element @ SV89 @ SV185 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1144]) ).

thf(1319,plain,
    ! [SV186: $i,SV91: $i] :
      ( ( ( element @ SV91 @ SV186 )
        = $false )
      | ( ( ( empty @ SV186 )
          | ( in @ SV91 @ SV186 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1145]) ).

thf(1320,plain,
    ! [SV94: $i,SV211: $i,SV187: $i] :
      ( ( ( ~ ( element @ SV187 @ ( powerset @ SV211 ) )
          | ~ ( in @ SV94 @ SV187 ) )
        = $true )
      | ( ( element @ SV94 @ SV211 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1146]) ).

thf(1321,plain,
    ! [SV95: $i,SV212: $i,SV188: $i] :
      ( ( ( ~ ( element @ SV188 @ ( powerset @ SV212 ) )
          | ~ ( in @ SV95 @ SV188 ) )
        = $true )
      | ( ( ~ ( empty @ SV212 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1147]) ).

thf(1322,plain,
    ! [SV97: $i,SV189: $i] :
      ( ( ( empty @ SV189 )
        = $false )
      | ( ( ~ ( in @ SV97 @ SV189 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1149]) ).

thf(1323,plain,
    ! [SV190: $i,SV98: $i] :
      ( ( ( SV98 = SV190 )
        = $true )
      | ( ( ~ ( empty @ SV98 ) )
        = $true )
      | ( ( ~ ( empty @ SV190 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1150]) ).

thf(1324,plain,
    ! [SV99: $i] :
      ( ( ! [SY517: $i,SY518: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                    | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                    | ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SV99 )
                          | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) )
                      | ~ ( ~ ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY517 )
                          | ( in @ ( sK15_D @ SY518 @ SY517 @ SV99 ) @ SY518 ) ) ) )
            | ( SY518
              = ( set_difference @ SV99 @ SY517 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1151]) ).

thf(1325,plain,
    ! [SV99: $i] :
      ( ( ! [SY519: $i,SY520: $i] :
            ( ( SY520
             != ( set_difference @ SV99 @ SY519 ) )
            | ~ ( ~ ! [SY521: $i] :
                      ( ~ ( in @ SY521 @ SV99 )
                      | ( in @ SY521 @ SY519 )
                      | ( in @ SY521 @ SY520 ) )
                | ~ ~ ( ~ ! [SY522: $i] :
                            ( ~ ( in @ SY522 @ SY520 )
                            | ( in @ SY522 @ SV99 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY520 )
                            | ~ ( in @ SX3 @ SY519 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1152]) ).

thf(1326,plain,
    ! [SV221: $i] :
      ( ( ~ ( relation @ SV221 )
        | ( ( relation_dom @ SV221 )
         != empty_set )
        | ( SV221 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1153]) ).

thf(1327,plain,
    ! [SV222: $i] :
      ( ( ~ ( relation @ SV222 )
        | ( ( relation_rng @ SV222 )
         != empty_set )
        | ( SV222 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1154]) ).

thf(1328,plain,
    ! [SV223: $i] :
      ( ( ! [SY714: $i] :
            ( ~ ( ~ ( in @ ( sK50_C @ SY714 @ SV223 ) @ SV223 )
                | ~ ~ ( in @ ( sK50_C @ SY714 @ SV223 ) @ SY714 ) )
            | ( subset @ SV223 @ SY714 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1155]) ).

thf(1329,plain,
    ! [SV224: $i] :
      ( ( ! [SY715: $i] :
            ( ~ ( subset @ SV224 @ SY715 )
            | ! [SY716: $i] :
                ( ~ ( in @ SY716 @ SV224 )
                | ( in @ SY716 @ SY715 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1156]) ).

thf(1330,plain,
    ! [SV225: $i] :
      ( ( ! [SY717: $i] :
            ( ~ ( ~ ( ( ( sK31_C @ SY717 @ SV225 )
                     != SV225 )
                    | ~ ( in @ ( sK31_C @ SY717 @ SV225 ) @ SY717 ) )
                | ~ ( ( ( sK31_C @ SY717 @ SV225 )
                      = SV225 )
                    | ( in @ ( sK31_C @ SY717 @ SV225 ) @ SY717 ) ) )
            | ( SY717
              = ( singleton @ SV225 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1157]) ).

thf(1331,plain,
    ! [SV226: $i] :
      ( ( ! [SY718: $i] :
            ( ( SY718
             != ( singleton @ SV226 ) )
            | ~ ( ~ ! [SY719: $i] :
                      ( ( SY719 != SV226 )
                      | ( in @ SY719 @ SY718 ) )
                | ~ ! [SY720: $i] :
                      ( ~ ( in @ SY720 @ SY718 )
                      | ( SY720 = SV226 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1158]) ).

thf(1332,plain,
    ! [SV227: $i] :
      ( ( ( in @ ( sK30_B @ SV227 ) @ SV227 )
        | ( SV227 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1159]) ).

thf(1333,plain,
    ! [SV228: $i] :
      ( ( ( SV228 != empty_set )
        | ! [SY721: $i] :
            ~ ( in @ SY721 @ SV228 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1160]) ).

thf(1334,plain,
    ! [SV100: $i] :
      ( ( ( ~ ! [SY524: $i] :
                ( ~ ( ~ ( ! [SY525: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ SY525 ) @ SV100 )
                        | ~ ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ ( sK21_SY396 @ SY524 @ SV100 ) ) @ SV100 )
                        | ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) ) )
                | ( SY524
                  = ( relation_dom @ SV100 ) ) )
          | ~ ! [SY526: $i] :
                ( ( SY526
                 != ( relation_dom @ SV100 ) )
                | ~ ( ~ ! [SY527: $i] :
                          ( ! [SY528: $i] :
                              ~ ( in @ ( ordered_pair @ SY527 @ SY528 ) @ SV100 )
                          | ( in @ SY527 @ SY526 ) )
                    | ~ ! [SY529: $i] :
                          ( ~ ( in @ SY529 @ SY526 )
                          | ( in @ ( ordered_pair @ SY529 @ ( sK19_D @ SY529 @ SY526 @ SV100 ) ) @ SV100 ) ) ) ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1161]) ).

thf(1335,plain,
    ! [SV229: $i] :
      ( ( ! [SY722: $i] :
            ( ( ( set_difference @ SV229 @ SY722 )
             != empty_set )
            | ( subset @ SV229 @ SY722 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1162]) ).

thf(1336,plain,
    ! [SV230: $i] :
      ( ( ! [SY723: $i] :
            ( ~ ( subset @ SV230 @ SY723 )
            | ( ( set_difference @ SV230 @ SY723 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1163]) ).

thf(1337,plain,
    ! [SV231: $i] :
      ( ( ! [SY724: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK55_C @ SY724 @ SV231 ) @ SY724 )
                    | ~ ( subset @ ( sK55_C @ SY724 @ SV231 ) @ SV231 ) )
                | ~ ( ( in @ ( sK55_C @ SY724 @ SV231 ) @ SY724 )
                    | ( subset @ ( sK55_C @ SY724 @ SV231 ) @ SV231 ) ) )
            | ( SY724
              = ( powerset @ SV231 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1164]) ).

thf(1338,plain,
    ! [SV232: $i] :
      ( ( ! [SY725: $i] :
            ( ( SY725
             != ( powerset @ SV232 ) )
            | ~ ( ~ ! [SY726: $i] :
                      ( ~ ( in @ SY726 @ SY725 )
                      | ( subset @ SY726 @ SV232 ) )
                | ~ ! [SY727: $i] :
                      ( ~ ( subset @ SY727 @ SV232 )
                      | ( in @ SY727 @ SY725 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1165]) ).

thf(1339,plain,
    ! [SV101: $i] :
      ( ( ! [SY530: $i] :
            ( ~ ( subset @ SV101 @ SY530 )
            | ! [SY531: $i] : ( subset @ ( cartesian_product2 @ SV101 @ SY531 ) @ ( cartesian_product2 @ SY530 @ SY531 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1166]) ).

thf(1340,plain,
    ! [SV101: $i] :
      ( ( ! [SY532: $i] :
            ( ~ ( subset @ SV101 @ SY532 )
            | ! [SY533: $i] : ( subset @ ( cartesian_product2 @ SY533 @ SV101 ) @ ( cartesian_product2 @ SY533 @ SY532 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1167]) ).

thf(1341,plain,
    ! [SV102: $i] :
      ( ( ! [SY534: $i,SY535: $i] :
            ( ~ ( in @ SV102 @ SY535 )
            | ~ ( in @ SY534 @ SY535 )
            | ( subset @ ( unordered_pair @ SV102 @ SY534 ) @ SY535 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1168]) ).

thf(1342,plain,
    ! [SV102: $i] :
      ( ( ~ ( ~ ! [SY536: $i,SY537: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV102 @ SY536 ) @ SY537 )
                  | ( in @ SV102 @ SY537 ) )
            | ~ ! [SY538: $i,SY539: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV102 @ SY538 ) @ SY539 )
                  | ( in @ SY538 @ SY539 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1169]) ).

thf(1343,plain,
    ! [SV103: $i] :
      ( ( ( ~ ! [SY540: $i,SY541: $i] :
                ( ~ ( relation @ SY541 )
                | ~ ( ~ ( ~ ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                        | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                        | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                    | ~ ~ ( ~ ( ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                              | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                          | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                              | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) ) ) )
                | ( SY541
                  = ( relation_dom_restriction @ SV103 @ SY540 ) ) )
          | ~ ! [SY542: $i,SY543: $i] :
                ( ~ ( relation @ SY543 )
                | ( SY543
                 != ( relation_dom_restriction @ SV103 @ SY542 ) )
                | ~ ( ~ ! [SY544: $i,SY545: $i] :
                          ( ~ ( in @ SY544 @ SY542 )
                          | ~ ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SV103 )
                          | ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SY543 ) )
                    | ~ ~ ( ~ ! [SX3: $i] :
                                ( ! [SX4: $i] :
                                    ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY543 )
                                | ( in @ SX3 @ SY542 ) )
                          | ~ ! [SY548: $i,SY549: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SY543 )
                                | ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SV103 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1172]) ).

thf(1344,plain,
    ! [SV233: $i] :
      ( ( ~ ( relation @ SV233 )
        | ( ( relation_dom @ SV233 )
         != empty_set )
        | ( ( relation_rng @ SV233 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1173]) ).

thf(1345,plain,
    ! [SV234: $i] :
      ( ( ~ ( relation @ SV234 )
        | ( ( relation_rng @ SV234 )
         != empty_set )
        | ( ( relation_dom @ SV234 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1174]) ).

thf(1346,plain,
    ! [SV104: $i,SV191: $i] :
      ( ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY687: $i] :
                    ( ~ ( element @ SY687 @ ( powerset @ SV104 ) )
                    | ~ ( disjoint @ SV191 @ SY687 )
                    | ( subset @ SV191 @ ( subset_complement @ SV104 @ SY687 ) ) )
              | ~ ! [SY688: $i] :
                    ( ~ ( element @ SY688 @ ( powerset @ SV104 ) )
                    | ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SY688 ) )
                    | ( disjoint @ SV191 @ SY688 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1175]) ).

thf(1347,plain,
    ! [SV105: $i] :
      ( ( ( ~ ! [SY553: $i] :
                ( ~ ( relation @ SY553 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                        | ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                        | ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) ) )
                | ( SV105 = SY553 ) )
          | ~ ! [SY554: $i] :
                ( ~ ( relation @ SY554 )
                | ( SV105 != SY554 )
                | ~ ( ~ ! [SY555: $i,SY556: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SV105 )
                          | ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SY554 ) )
                    | ~ ! [SY557: $i,SY558: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SY554 )
                          | ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SV105 ) ) ) ) )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1176]) ).

thf(1348,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ! [SY689: $i,SY690: $i] :
              ( ~ ( relation @ SY690 )
              | ~ ( in @ SV106 @ SY689 )
              | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY690 )
              | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY689 ) @ SY690 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1177]) ).

thf(1349,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ~ ( ~ ! [SY691: $i,SY692: $i] :
                    ( ~ ( relation @ SY692 )
                    | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY691 ) @ SY692 ) )
                    | ( in @ SV106 @ SY691 ) )
              | ~ ! [SY693: $i,SY694: $i] :
                    ( ~ ( relation @ SY694 )
                    | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY693 ) @ SY694 ) )
                    | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY694 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1177]) ).

thf(1350,plain,
    ! [SV235: $i] :
      ( ( ~ ( relation @ SV235 )
        | ( ( relation_rng @ SV235 )
          = ( relation_dom @ ( relation_inverse @ SV235 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1178]) ).

thf(1351,plain,
    ! [SV236: $i] :
      ( ( ~ ( relation @ SV236 )
        | ( ( relation_dom @ SV236 )
          = ( relation_rng @ ( relation_inverse @ SV236 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1179]) ).

thf(1352,plain,
    ! [SV237: $i] :
      ( ( ! [SY728: $i] :
            ( ( ( set_difference @ SV237 @ SY728 )
             != empty_set )
            | ( subset @ SV237 @ SY728 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1180]) ).

thf(1353,plain,
    ! [SV238: $i] :
      ( ( ! [SY729: $i] :
            ( ~ ( subset @ SV238 @ SY729 )
            | ( ( set_difference @ SV238 @ SY729 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1181]) ).

thf(1354,plain,
    ! [SV107: $i,SV239: $i] :
      ( ( ( ~ ( relation @ SV239 )
          | ~ ( ~ ! [SY730: $i] :
                    ( ~ ( relation @ SY730 )
                    | ~ ( ~ ( ! [SY731: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ SY731 ) @ SV107 )
                                | ~ ( in @ ( ordered_pair @ SY731 @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) ) @ SV107 )
                                | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                            | ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) ) )
                    | ( SY730
                      = ( relation_composition @ SV107 @ SV239 ) ) )
              | ~ ! [SY732: $i] :
                    ( ~ ( relation @ SY732 )
                    | ( SY732
                     != ( relation_composition @ SV107 @ SV239 ) )
                    | ~ ( ~ ! [SY733: $i,SY734: $i] :
                              ( ! [SY735: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY733 @ SY735 ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ SY735 @ SY734 ) @ SV239 ) )
                              | ( in @ ( ordered_pair @ SY733 @ SY734 ) @ SY732 ) )
                        | ~ ! [SY736: $i,SY737: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY736 @ SY737 ) @ SY732 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY736 @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) @ SY737 ) @ SV239 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1182]) ).

thf(1355,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ! [SY695: $i,SY696: $i] :
              ( ~ ( in @ SV108 @ SY695 )
              | ~ ( in @ SV193 @ SY696 )
              | ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY695 @ SY696 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1183]) ).

thf(1356,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ~ ( ~ ! [SY697: $i] :
                    ( ! [SY698: $i] :
                        ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY697 @ SY698 ) )
                    | ( in @ SV108 @ SY697 ) )
              | ~ ! [SY699: $i,SY700: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY699 @ SY700 ) )
                    | ( in @ SV193 @ SY700 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1183]) ).

thf(1357,plain,
    ! [SV109: $i] :
      ( ( ! [SY582: $i,SY583: $i] :
            ( ~ ( relation @ SY583 )
            | ~ ( in @ ( ordered_pair @ SV109 @ SY582 ) @ SY583 )
            | ( in @ SV109 @ ( relation_dom @ SY583 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1184]) ).

thf(1358,plain,
    ! [SV109: $i] :
      ( ( ! [SY584: $i,SY585: $i] :
            ( ~ ( relation @ SY585 )
            | ~ ( in @ ( ordered_pair @ SV109 @ SY584 ) @ SY585 )
            | ( in @ SY584 @ ( relation_rng @ SY585 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1185]) ).

thf(1359,plain,
    ! [SV240: $i] :
      ( ( ! [SY738: $i] :
            ( ( disjoint @ SV240 @ SY738 )
            | ( in @ ( sK39_C @ SY738 @ SV240 ) @ ( set_intersection2 @ SV240 @ SY738 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1186]) ).

thf(1360,plain,
    ! [SV241: $i] :
      ( ( ! [SY739: $i] :
            ( ! [SY740: $i] :
                ~ ( in @ SY740 @ ( set_intersection2 @ SV241 @ SY739 ) )
            | ~ ( disjoint @ SV241 @ SY739 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1187]) ).

thf(1361,plain,
    ! [SV242: $i] :
      ( ( ! [SY741: $i] :
            ( ( ( set_difference @ SV242 @ SY741 )
             != SV242 )
            | ( disjoint @ SV242 @ SY741 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1188]) ).

thf(1362,plain,
    ! [SV243: $i] :
      ( ( ! [SY742: $i] :
            ( ~ ( disjoint @ SV243 @ SY742 )
            | ( ( set_difference @ SV243 @ SY742 )
              = SV243 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1189]) ).

thf(1363,plain,
    ! [SV110: $i] :
      ( ( ( ~ ! [SY586: $i] :
                ( ~ ( relation @ SY586 )
                | ~ ( subset @ SV110 @ SY586 )
                | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SY586 ) ) )
          | ~ ! [SY587: $i] :
                ( ~ ( relation @ SY587 )
                | ~ ( subset @ SV110 @ SY587 )
                | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SY587 ) ) ) )
        = $false )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1190]) ).

thf(1364,plain,
    ! [SV244: $i] :
      ( ( ! [SY743: $i] :
            ( ( disjoint @ SV244 @ SY743 )
            | ~ ( ~ ( in @ ( sK40_C @ SY743 @ SV244 ) @ SV244 )
                | ~ ( in @ ( sK40_C @ SY743 @ SV244 ) @ SY743 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1191]) ).

thf(1365,plain,
    ! [SV245: $i] :
      ( ( ! [SY744: $i] :
            ( ! [SY745: $i] :
                ( ~ ( in @ SY745 @ SV245 )
                | ~ ( in @ SY745 @ SY744 ) )
            | ~ ( disjoint @ SV245 @ SY744 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1192]) ).

thf(1366,plain,
    ! [SV246: $i] :
      ( ( ! [SY746: $i] :
            ( ~ ( element @ SV246 @ ( powerset @ SY746 ) )
            | ( subset @ SV246 @ SY746 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1193]) ).

thf(1367,plain,
    ! [SV247: $i] :
      ( ( ! [SY747: $i] :
            ( ~ ( subset @ SV247 @ SY747 )
            | ( element @ SV247 @ ( powerset @ SY747 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1194]) ).

thf(1368,plain,
    ! [SV111: $i] :
      ( ( ! [SY588: $i,SY589: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                          | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 ) )
                      | ~ ( ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                          | ~ ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
                | ~ ( ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY589 )
                    | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SV111 )
                    | ( in @ ( sK28_D @ SY589 @ SY588 @ SV111 ) @ SY588 ) ) )
            | ( SY589
              = ( set_union2 @ SV111 @ SY588 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1195]) ).

thf(1369,plain,
    ! [SV111: $i] :
      ( ( ! [SY590: $i,SY591: $i] :
            ( ( SY591
             != ( set_union2 @ SV111 @ SY590 ) )
            | ~ ( ~ ! [SY592: $i] :
                      ( ~ ( in @ SY592 @ SY591 )
                      | ( in @ SY592 @ SV111 )
                      | ( in @ SY592 @ SY590 ) )
                | ~ ~ ( ~ ! [SY593: $i] :
                            ( ~ ( in @ SY593 @ SV111 )
                            | ( in @ SY593 @ SY591 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY590 )
                            | ( in @ SX3 @ SY591 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1196]) ).

thf(1370,plain,
    ! [SV248: $i] :
      ( ( ! [SY748: $i] :
            ( ~ ( in @ SV248 @ SY748 )
            | ( subset @ ( singleton @ SV248 ) @ SY748 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1197]) ).

thf(1371,plain,
    ! [SV249: $i] :
      ( ( ! [SY749: $i] :
            ( ~ ( subset @ ( singleton @ SV249 ) @ SY749 )
            | ( in @ SV249 @ SY749 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1198]) ).

thf(1372,plain,
    ! [SV112: $i] :
      ( ( ! [SY595: $i] :
            ( ~ ( subset @ SY595 @ ( sK41_B @ SV112 ) )
            | ( are_equipotent @ SY595 @ ( sK41_B @ SV112 ) )
            | ( in @ SY595 @ ( sK41_B @ SV112 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1199]) ).

thf(1373,plain,
    ! [SV112: $i] :
      ( ( ~ ( ~ ! [SY596: $i] :
                  ( ~ ( in @ SY596 @ ( sK41_B @ SV112 ) )
                  | ( in @ ( powerset @ SY596 ) @ ( sK41_B @ SV112 ) ) )
            | ~ ~ ( ~ ! [SY597: $i,SY598: $i] :
                        ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
                        | ~ ( subset @ SY598 @ SY597 )
                        | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
                  | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1200]) ).

thf(1374,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ! [SY701: $i,SY702: $i] :
              ( ~ ( in @ SV113 @ SY701 )
              | ~ ( in @ SV194 @ SY702 )
              | ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY701 @ SY702 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1201]) ).

thf(1375,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ~ ( ~ ! [SY703: $i] :
                    ( ! [SY704: $i] :
                        ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY703 @ SY704 ) )
                    | ( in @ SV113 @ SY703 ) )
              | ~ ! [SY705: $i,SY706: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY705 @ SY706 ) )
                    | ( in @ SV194 @ SY706 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1201]) ).

thf(1376,plain,
    ! [SV114: $i] :
      ( ( ( ~ ! [SY606: $i] :
                ( ~ ( relation @ SY606 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SV114 )
                    | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SY606 ) )
                | ( subset @ SV114 @ SY606 ) )
          | ~ ! [SY607: $i] :
                ( ~ ( relation @ SY607 )
                | ~ ( subset @ SV114 @ SY607 )
                | ! [SY608: $i,SY609: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SV114 )
                    | ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SY607 ) ) ) )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1202]) ).

thf(1377,plain,
    ! [SV115: $i] :
      ( ( ( ~ ! [SY610: $i] :
                ( ~ ( relation @ SY610 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                        | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                        | ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) ) )
                | ( SY610
                  = ( relation_inverse @ SV115 ) ) )
          | ~ ! [SY611: $i] :
                ( ~ ( relation @ SY611 )
                | ( SY611
                 != ( relation_inverse @ SV115 ) )
                | ~ ( ~ ! [SY612: $i,SY613: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY612 @ SY613 ) @ SY611 )
                          | ( in @ ( ordered_pair @ SY613 @ SY612 ) @ SV115 ) )
                    | ~ ! [SY614: $i,SY615: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY615 @ SY614 ) @ SV115 )
                          | ( in @ ( ordered_pair @ SY614 @ SY615 ) @ SY611 ) ) ) ) )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1203]) ).

thf(1378,plain,
    ! [SV250: $i] :
      ( ( ! [SY750: $i] :
            ( ( ( set_difference @ SV250 @ ( singleton @ SY750 ) )
             != SV250 )
            | ~ ( in @ SY750 @ SV250 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1204]) ).

thf(1379,plain,
    ! [SV251: $i] :
      ( ( ! [SY751: $i] :
            ( ( in @ SY751 @ SV251 )
            | ( ( set_difference @ SV251 @ ( singleton @ SY751 ) )
              = SV251 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1205]) ).

thf(1380,plain,
    ( ( empty @ sK45_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1206]) ).

thf(1381,plain,
    ! [SV116: $i] :
      ( ( ! [SY616: $i,SY617: $i] :
            ( ~ ( relation @ SY617 )
            | ~ ( in @ SV116 @ SY616 )
            | ~ ( in @ SV116 @ ( relation_dom @ SY617 ) )
            | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY617 @ SY616 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1208]) ).

thf(1382,plain,
    ! [SV116: $i] :
      ( ( ~ ( ~ ! [SY618: $i,SY619: $i] :
                  ( ~ ( relation @ SY619 )
                  | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY619 @ SY618 ) ) )
                  | ( in @ SV116 @ SY618 ) )
            | ~ ! [SY620: $i,SY621: $i] :
                  ( ~ ( relation @ SY621 )
                  | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY621 @ SY620 ) ) )
                  | ( in @ SV116 @ ( relation_dom @ SY621 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1209]) ).

thf(1383,plain,
    ! [SV117: $i] :
      ( ( ! [SY622: $i,SY623: $i] :
            ( ~ ( relation @ SY623 )
            | ~ ( in @ ( ordered_pair @ SV117 @ SY622 ) @ SY623 )
            | ( in @ SV117 @ ( relation_field @ SY623 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1210]) ).

thf(1384,plain,
    ! [SV117: $i] :
      ( ( ! [SY624: $i,SY625: $i] :
            ( ~ ( relation @ SY625 )
            | ~ ( in @ ( ordered_pair @ SV117 @ SY624 ) @ SY625 )
            | ( in @ SY624 @ ( relation_field @ SY625 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1211]) ).

thf(1385,plain,
    ! [SV252: $i] :
      ( ( ! [SY752: $i] :
            ( ~ ( relation @ SY752 )
            | ~ ( ~ ( ( ( sK35_C @ SY752 @ SV252 )
                     != ( sK36_SY405 @ SY752 @ SV252 ) )
                    | ~ ( in @ ( sK35_C @ SY752 @ SV252 ) @ SV252 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_C @ SY752 @ SV252 ) @ ( sK36_SY405 @ SY752 @ SV252 ) ) @ SY752 ) )
                | ~ ~ ( ~ ( ( ( sK35_C @ SY752 @ SV252 )
                            = ( sK36_SY405 @ SY752 @ SV252 ) )
                          | ( in @ ( ordered_pair @ ( sK35_C @ SY752 @ SV252 ) @ ( sK36_SY405 @ SY752 @ SV252 ) ) @ SY752 ) )
                      | ~ ( ( in @ ( sK35_C @ SY752 @ SV252 ) @ SV252 )
                          | ( in @ ( ordered_pair @ ( sK35_C @ SY752 @ SV252 ) @ ( sK36_SY405 @ SY752 @ SV252 ) ) @ SY752 ) ) ) )
            | ( SY752
              = ( identity_relation @ SV252 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1212]) ).

thf(1386,plain,
    ! [SV253: $i] :
      ( ( ! [SY753: $i] :
            ( ~ ( relation @ SY753 )
            | ( SY753
             != ( identity_relation @ SV253 ) )
            | ~ ( ~ ! [SY754: $i,SY755: $i] :
                      ( ( SY754 != SY755 )
                      | ~ ( in @ SY754 @ SV253 )
                      | ( in @ ( ordered_pair @ SY754 @ SY755 ) @ SY753 ) )
                | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                            ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SY753 )
                            | ( SX2 = SX3 ) )
                      | ~ ! [SY758: $i] :
                            ( ! [SX3: $i] :
                                ~ ( in @ ( ordered_pair @ SY758 @ SX3 ) @ SY753 )
                            | ( in @ SY758 @ SV253 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1213]) ).

thf(1387,plain,
    ! [SV254: $i] :
      ( ( ! [SY760: $i] :
            ( ~ ( in @ SV254 @ SY760 )
            | ( subset @ ( singleton @ SV254 ) @ SY760 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1214]) ).

thf(1388,plain,
    ! [SV255: $i] :
      ( ( ! [SY761: $i] :
            ( ~ ( subset @ ( singleton @ SV255 ) @ SY761 )
            | ( in @ SV255 @ SY761 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1215]) ).

thf(1389,plain,
    ! [SV118: $i] :
      ( ( ! [SY626: $i,SY627: $i] :
            ( ~ ( ~ ( ! [SY628: $i,SY629: $i] :
                        ( ~ ( in @ SY628 @ SV118 )
                        | ~ ( in @ SY629 @ SY626 )
                        | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                         != ( ordered_pair @ SY628 @ SY629 ) ) )
                    | ~ ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) )
                | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ SV118 )
                              | ~ ( in @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) @ SY626 ) )
                        | ( ( sK25_D @ SY627 @ SY626 @ SV118 )
                         != ( ordered_pair @ ( sK26_SY400 @ SY627 @ SY626 @ SV118 ) @ ( sK27_SY402 @ SY627 @ SY626 @ SV118 ) ) ) )
                    | ( in @ ( sK25_D @ SY627 @ SY626 @ SV118 ) @ SY627 ) ) )
            | ( SY627
              = ( cartesian_product2 @ SV118 @ SY626 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1218]) ).

thf(1390,plain,
    ! [SV118: $i] :
      ( ( ! [SY630: $i,SY631: $i] :
            ( ( SY631
             != ( cartesian_product2 @ SV118 @ SY630 ) )
            | ~ ( ~ ! [SY632: $i] :
                      ( ! [SY633: $i,SY634: $i] :
                          ( ~ ( in @ SY633 @ SV118 )
                          | ~ ( in @ SY634 @ SY630 )
                          | ( SY632
                           != ( ordered_pair @ SY633 @ SY634 ) ) )
                      | ( in @ SY632 @ SY631 ) )
                | ~ ! [SY635: $i] :
                      ( ~ ( in @ SY635 @ SY631 )
                      | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ SV118 )
                                | ~ ( in @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) @ SY630 ) )
                          | ( SY635
                           != ( ordered_pair @ ( sK23_E @ SY635 @ SY631 @ SY630 @ SV118 ) @ ( sK24_SY397 @ SY635 @ SY631 @ SY630 @ SV118 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1219]) ).

thf(1391,plain,
    ! [SV256: $i] :
      ( ( ! [SY762: $i] :
            ( ( ( set_intersection2 @ SV256 @ SY762 )
             != empty_set )
            | ( disjoint @ SV256 @ SY762 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1220]) ).

thf(1392,plain,
    ! [SV257: $i] :
      ( ( ! [SY763: $i] :
            ( ~ ( disjoint @ SV257 @ SY763 )
            | ( ( set_intersection2 @ SV257 @ SY763 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1221]) ).

thf(1393,plain,
    ! [SV119: $i] :
      ( ( ! [SY636: $i,SY637: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                          | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                           != SV119 ) )
                      | ~ ( ~ ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                          | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                           != SY636 ) ) )
                | ~ ( ( in @ ( sK29_D @ SY637 @ SY636 @ SV119 ) @ SY637 )
                    | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                      = SV119 )
                    | ( ( sK29_D @ SY637 @ SY636 @ SV119 )
                      = SY636 ) ) )
            | ( SY637
              = ( unordered_pair @ SV119 @ SY636 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1222]) ).

thf(1394,plain,
    ! [SV119: $i] :
      ( ( ! [SY638: $i,SY639: $i] :
            ( ( SY639
             != ( unordered_pair @ SV119 @ SY638 ) )
            | ~ ( ~ ! [SY640: $i] :
                      ( ~ ( in @ SY640 @ SY639 )
                      | ( SY640 = SV119 )
                      | ( SY640 = SY638 ) )
                | ~ ~ ( ~ ! [SY641: $i] :
                            ( ( SY641 != SV119 )
                            | ( in @ SY641 @ SY639 ) )
                      | ~ ! [SX3: $i] :
                            ( ( SX3 != SY638 )
                            | ( in @ SX3 @ SY639 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1223]) ).

thf(1395,plain,
    ! [SV258: $i] :
      ( ( ~ ( ~ ! [SY764: $i,SY765: $i] :
                  ( ( sK58_B @ SV258 )
                 != ( ordered_pair @ SY764 @ SY765 ) )
            | ~ ( in @ ( sK58_B @ SV258 ) @ SV258 ) )
        | ( relation @ SV258 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1224]) ).

thf(1396,plain,
    ! [SV259: $i] :
      ( ( ~ ( relation @ SV259 )
        | ! [SY766: $i] :
            ( ( SY766
              = ( ordered_pair @ ( sK56_C @ SY766 @ SV259 ) @ ( sK57_SY422 @ SY766 @ SV259 ) ) )
            | ~ ( in @ SY766 @ SV259 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1225]) ).

thf(1397,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
              | ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) )
          | ~ ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
              | ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) ) )
        = $false )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1226]) ).

thf(1398,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)],[1227]) ).

thf(1399,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)],[1228]) ).

thf(1400,plain,
    ! [SV260: $i] :
      ( ( ! [SY767: $i] :
            ( ~ ( subset @ SV260 @ ( singleton @ SY767 ) )
            | ( SV260 = empty_set )
            | ( SV260
              = ( singleton @ SY767 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1229]) ).

thf(1401,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)],[1230]) ).

thf(1402,plain,
    ! [SV121: $i] :
      ( ( ! [SY644: $i] :
            ( ~ ( subset @ SY644 @ ( sK43_B @ SV121 ) )
            | ( are_equipotent @ SY644 @ ( sK43_B @ SV121 ) )
            | ( in @ SY644 @ ( sK43_B @ SV121 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1231]) ).

thf(1403,plain,
    ! [SV121: $i] :
      ( ( ~ ( ~ ! [SY645: $i] :
                  ( ~ ( ~ ! [SY646: $i] :
                            ( ~ ( subset @ SY646 @ SY645 )
                            | ( in @ SY646 @ ( sK44_SY413 @ SY645 @ SV121 ) ) )
                      | ~ ( in @ ( sK44_SY413 @ SY645 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
                  | ~ ( in @ SY645 @ ( sK43_B @ SV121 ) ) )
            | ~ ~ ( ~ ! [SY647: $i,SY648: $i] :
                        ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
                        | ~ ( subset @ SY648 @ SY647 )
                        | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
                  | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1232]) ).

thf(1404,plain,
    ! [SV122: $i] :
      ( ( ( ~ ( element @ ( sK7_B @ SV122 ) @ ( powerset @ SV122 ) ) )
        = $false )
      | ( ( empty @ SV122 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1233]) ).

thf(1405,plain,
    ! [SV122: $i] :
      ( ( ( ~ ~ ( empty @ ( sK7_B @ SV122 ) ) )
        = $false )
      | ( ( empty @ SV122 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1233]) ).

thf(1406,plain,
    ! [SV123: $i] :
      ( ( element @ ( sK5_B @ SV123 ) @ ( powerset @ SV123 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1234]) ).

thf(1407,plain,
    ! [SV123: $i] :
      ( ( empty @ ( sK5_B @ SV123 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1235]) ).

thf(1408,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ ( sK34_SY403 @ SX1 @ SX0 ) ) )
                        | ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SX0 )
                            | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX2 ) )
                        | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( ~ ( in @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                              | ~ ~ ( in @ SX2 @ ( sK32_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)],[1236]) ).

thf(1409,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)],[1237]) ).

thf(1410,plain,
    ! [SV261: $i] :
      ( ( ! [SY768: $i] :
            ( ~ ( subset @ SV261 @ SY768 )
            | ~ ( subset @ SY768 @ SV261 )
            | ( SV261 = SY768 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1238]) ).

thf(1411,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)],[1239]) ).

thf(1412,plain,
    ! [SV262: $i] :
      ( ( ! [SY769: $i] :
            ( ~ ( empty @ SV262 )
            | ~ ( relation @ SY769 )
            | ( empty @ ( relation_composition @ SY769 @ SV262 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1240]) ).

thf(1413,plain,
    ! [SV263: $i] :
      ( ( ! [SY770: $i] :
            ( ~ ( empty @ SV263 )
            | ~ ( relation @ SY770 )
            | ( relation @ ( relation_composition @ SY770 @ SV263 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1241]) ).

thf(1414,plain,
    ! [SV264: $i] :
      ( ( ( relation_dom @ ( identity_relation @ SV264 ) )
        = SV264 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1242]) ).

thf(1415,plain,
    ! [SV265: $i] :
      ( ( ( relation_rng @ ( identity_relation @ SV265 ) )
        = SV265 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1243]) ).

thf(1416,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ( ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV124 )
          | ~ ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV196 ) )
        = $false )
      | ( ( element @ SV124 @ ( powerset @ SV196 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1244]) ).

thf(1417,plain,
    ! [SV266: $i] :
      ( ( ! [SY771: $i] :
            ( ( SV266 = SY771 )
            | ~ ( subset @ SV266 @ SY771 )
            | ( proper_subset @ SV266 @ SY771 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1245]) ).

thf(1418,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)],[1246]) ).

thf(1419,plain,
    ! [SV267: $i] :
      ( ( ! [SY772: $i] :
            ( ~ ( empty @ SV267 )
            | ~ ( relation @ SY772 )
            | ( empty @ ( relation_composition @ SV267 @ SY772 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1247]) ).

thf(1420,plain,
    ! [SV268: $i] :
      ( ( ! [SY773: $i] :
            ( ~ ( empty @ SV268 )
            | ~ ( relation @ SY773 )
            | ( relation @ ( relation_composition @ SV268 @ SY773 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1248]) ).

thf(1421,plain,
    ! [SV125: $i] :
      ( ( ! [SY650: $i,SY651: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                    | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                    | ~ ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                | ~ ~ ( ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SV125 )
                          | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) )
                      | ~ ( ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY650 )
                          | ( in @ ( sK22_D @ SY651 @ SY650 @ SV125 ) @ SY651 ) ) ) )
            | ( SY651
              = ( set_intersection2 @ SV125 @ SY650 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1249]) ).

thf(1422,plain,
    ! [SV125: $i] :
      ( ( ! [SY652: $i,SY653: $i] :
            ( ( SY653
             != ( set_intersection2 @ SV125 @ SY652 ) )
            | ~ ( ~ ! [SY654: $i] :
                      ( ~ ( in @ SY654 @ SV125 )
                      | ~ ( in @ SY654 @ SY652 )
                      | ( in @ SY654 @ SY653 ) )
                | ~ ~ ( ~ ! [SY655: $i] :
                            ( ~ ( in @ SY655 @ SY653 )
                            | ( in @ SY655 @ SV125 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY653 )
                            | ( in @ SX3 @ SY652 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1250]) ).

thf(1423,plain,
    ! [SV269: $i] :
      ( ( ~ ( empty @ SV269 )
        | ( empty @ ( relation_dom @ SV269 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1251]) ).

thf(1424,plain,
    ! [SV270: $i] :
      ( ( ~ ( empty @ SV270 )
        | ( relation @ ( relation_dom @ SV270 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1252]) ).

thf(1425,plain,
    ! [SV126: $i] :
      ( ( ( ~ ! [SY657: $i] :
                ( ~ ( ~ ( ! [SY658: $i] :
                            ~ ( in @ ( ordered_pair @ SY658 @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                        | ~ ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SY657 @ SV126 ) @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                        | ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) ) )
                | ( SY657
                  = ( relation_rng @ SV126 ) ) )
          | ~ ! [SY659: $i] :
                ( ( SY659
                 != ( relation_rng @ SV126 ) )
                | ~ ( ~ ! [SY660: $i] :
                          ( ! [SY661: $i] :
                              ~ ( in @ ( ordered_pair @ SY661 @ SY660 ) @ SV126 )
                          | ( in @ SY660 @ SY659 ) )
                    | ~ ! [SY662: $i] :
                          ( ~ ( in @ SY662 @ SY659 )
                          | ( in @ ( ordered_pair @ ( sK47_D @ SY662 @ SY659 @ SV126 ) @ SY662 ) @ SV126 ) ) ) ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1253]) ).

thf(1426,plain,
    ! [SV271: $i] :
      ( ( ! [SY774: $i] :
            ( ~ ( ~ ( ! [SY775: $i] :
                        ( ~ ( in @ ( sK17_C @ SY774 @ SV271 ) @ SY775 )
                        | ~ ( in @ SY775 @ SV271 ) )
                    | ~ ( in @ ( sK17_C @ SY774 @ SV271 ) @ SY774 ) )
                | ~ ( ~ ( ~ ( in @ ( sK17_C @ SY774 @ SV271 ) @ ( sK18_SY394 @ SY774 @ SV271 ) )
                        | ~ ( in @ ( sK18_SY394 @ SY774 @ SV271 ) @ SV271 ) )
                    | ( in @ ( sK17_C @ SY774 @ SV271 ) @ SY774 ) ) )
            | ( SY774
              = ( union @ SV271 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1254]) ).

thf(1427,plain,
    ! [SV272: $i] :
      ( ( ! [SY776: $i] :
            ( ( SY776
             != ( union @ SV272 ) )
            | ~ ( ~ ! [SY777: $i] :
                      ( ! [SY778: $i] :
                          ( ~ ( in @ SY777 @ SY778 )
                          | ~ ( in @ SY778 @ SV272 ) )
                      | ( in @ SY777 @ SY776 ) )
                | ~ ! [SY779: $i] :
                      ( ~ ( in @ SY779 @ SY776 )
                      | ~ ( ~ ( in @ SY779 @ ( sK16_D @ SY779 @ SY776 @ SV272 ) )
                          | ~ ( in @ ( sK16_D @ SY779 @ SY776 @ SV272 ) @ SV272 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1255]) ).

thf(1428,plain,
    ! [SV273: $i] :
      ( ( ~ ( empty @ SV273 )
        | ( empty @ ( relation_rng @ SV273 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1256]) ).

thf(1429,plain,
    ! [SV274: $i] :
      ( ( ~ ( empty @ SV274 )
        | ( relation @ ( relation_rng @ SV274 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1257]) ).

thf(1430,plain,
    ! [SV275: $i] :
      ( ( ! [SY780: $i] :
            ( ~ ( subset @ SV275 @ ( singleton @ SY780 ) )
            | ( SV275 = empty_set )
            | ( SV275
              = ( singleton @ SY780 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1258]) ).

thf(1431,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)],[1259]) ).

thf(1432,plain,
    ! [SV197: $i,SV127: $i] :
      ( ( ~ ! [SY707: $i] :
              ( ! [SY708: $i] :
                  ( ( ordered_pair @ SV127 @ SV197 )
                 != ( ordered_pair @ SY707 @ SY708 ) )
              | ( SV127 = SY707 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1433,plain,
    ! [SV197: $i,SV127: $i] :
      ( ( ~ ! [SY709: $i,SY710: $i] :
              ( ( ( ordered_pair @ SV127 @ SV197 )
               != ( ordered_pair @ SY709 @ SY710 ) )
              | ( SV197 = SY710 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1434,plain,
    ! [SV213: $i,SV198: $i,SV129: $i,SV2: $i] :
      ( ( ( ~ ( subset @ SV2 @ SV129 )
          | ~ ( subset @ SV198 @ SV213 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV2 @ SV198 ) @ ( cartesian_product2 @ SV129 @ SV213 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1264]) ).

thf(1435,plain,
    ! [SV199: $i,SV132: $i,SV5: $i] :
      ( ( ( ~ ( subset @ SV5 @ SV132 ) )
        = $true )
      | ( ( ~ ( subset @ SV5 @ SV199 ) )
        = $true )
      | ( ( subset @ SV5 @ ( set_intersection2 @ SV132 @ SV199 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1266]) ).

thf(1436,plain,
    ! [SV200: $i,SV133: $i,SV6: $i] :
      ( ( ( ~ ( subset @ SV6 @ SV133 ) )
        = $true )
      | ( ( ~ ( subset @ SV133 @ SV200 ) )
        = $true )
      | ( ( subset @ SV6 @ SV200 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1267]) ).

thf(1437,plain,
    ! [SV134: $i,SV276: $i,SV8: $i] :
      ( ( ( subset @ ( set_intersection2 @ SV8 @ SV276 ) @ ( set_intersection2 @ SV134 @ SV276 ) )
        = $true )
      | ( ( subset @ SV8 @ SV134 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1268]) ).

thf(1438,plain,
    ! [SV136: $i,SV277: $i,SV11: $i] :
      ( ( ( subset @ ( set_difference @ SV11 @ SV277 ) @ ( set_difference @ SV136 @ SV277 ) )
        = $true )
      | ( ( subset @ SV11 @ SV136 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1270]) ).

thf(1439,plain,
    ! [SV14: $i,SV214: $i] :
      ( ( ( ~ ( relation @ SV214 ) )
        = $true )
      | ( ( subset @ ( relation_dom @ ( relation_composition @ SV14 @ SV214 ) ) @ ( relation_dom @ SV14 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1271]) ).

thf(1440,plain,
    ! [SV15: $i,SV215: $i] :
      ( ( ( ~ ( relation @ SV215 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ ( relation_composition @ SV15 @ SV215 ) ) @ ( relation_rng @ SV215 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1272]) ).

thf(1441,plain,
    ! [SV17: $i,SV216: $i] :
      ( ( ( ~ ( relation @ SV216 ) )
        = $true )
      | ( ( ~ ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SV216 ) )
          | ( ( relation_dom @ ( relation_composition @ SV17 @ SV216 ) )
            = ( relation_dom @ SV17 ) ) )
        = $true )
      | ( ( relation @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1274]) ).

thf(1442,plain,
    ! [SV18: $i,SV217: $i] :
      ( ( ( ~ ( relation @ SV217 ) )
        = $true )
      | ( ( ~ ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SV217 ) )
          | ( ( relation_rng @ ( relation_composition @ SV217 @ SV18 ) )
            = ( relation_rng @ SV18 ) ) )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1275]) ).

thf(1443,plain,
    ! [SV139: $i,SV19: $i] :
      ( ( ( subset @ SV19 @ SV139 )
        = $false )
      | ( ( proper_subset @ SV139 @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1276]) ).

thf(1444,plain,
    ! [SV20: $i,SV201: $i,SV140: $i] :
      ( ( ( ~ ( disjoint @ SV140 @ SV201 ) )
        = $true )
      | ( ( ~ ( subset @ SV20 @ SV140 ) )
        = $true )
      | ( ( disjoint @ SV20 @ SV201 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1277]) ).

thf(1445,plain,
    ! [SV202: $i,SV144: $i,SV24: $i] :
      ( ( ( ~ ( subset @ SV24 @ SV144 ) )
        = $true )
      | ( ( ~ ( subset @ SV202 @ SV144 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV24 @ SV202 ) @ SV144 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1280]) ).

thf(1446,plain,
    ! [SV148: $i,SV30: $i] :
      ( ( ( relation @ SV30 )
        = $false )
      | ( ( ~ ( relation @ SV148 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV30 @ SV148 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1284]) ).

thf(1447,plain,
    ! [SV149: $i,SV33: $i] :
      ( ( ( relation @ SV33 )
        = $false )
      | ( ( ~ ( relation @ SV149 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV33 @ SV149 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1286]) ).

thf(1448,plain,
    ! [SV150: $i,SV34: $i] :
      ( ( ( relation @ SV34 )
        = $false )
      | ( ( ~ ( relation @ SV150 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV34 @ SV150 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1287]) ).

thf(1449,plain,
    ! [SV35: $i] :
      ( ( ( empty @ ( relation_dom @ SV35 ) )
        = $false )
      | ( ( empty @ SV35 )
        = $true )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1288]) ).

thf(1450,plain,
    ! [SV36: $i] :
      ( ( ( empty @ ( relation_rng @ SV36 ) )
        = $false )
      | ( ( empty @ SV36 )
        = $true )
      | ( ( relation @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1289]) ).

thf(1451,plain,
    ! [SV152: $i,SV41: $i] :
      ( ( ( in @ SV41 @ SV152 )
        = $false )
      | ( ( disjoint @ ( singleton @ SV41 ) @ SV152 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1291]) ).

thf(1452,plain,
    ! [SV43: $i,SV154: $i,SV278: $i] :
      ( ( ( ~ ( in @ SV278 @ SV154 )
          | ( in @ SV278 @ SV43 ) )
        = $true )
      | ( ( element @ SV154 @ ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1292]) ).

thf(1453,plain,
    ! [SV155: $i,SV44: $i,SV279: $i] :
      ( ( ( ( in @ SV279 @ SV44 )
          | ( subset @ SV44 @ ( set_difference @ SV155 @ ( singleton @ SV279 ) ) ) )
        = $true )
      | ( ( subset @ SV44 @ SV155 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1293]) ).

thf(1454,plain,
    ! [SV156: $i,SV203: $i,SV219: $i,SV45: $i] :
      ( ( ( SV45 = SV219 )
        = $true )
      | ( ( ( SV45 = SV203 )
          | ( ( unordered_pair @ SV45 @ SV156 )
           != ( unordered_pair @ SV203 @ SV219 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1294]) ).

thf(1455,plain,
    ! [SV48: $i,SV159: $i] :
      ( ( ( SV159 = empty_set )
        = $true )
      | ( ( ( ( complements_of_subsets @ SV48 @ SV159 )
           != empty_set ) )
        = $true )
      | ( ( element @ SV159 @ ( powerset @ ( powerset @ SV48 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1295]) ).

thf(1456,plain,
    ! [SV51: $i,SV204: $i] :
      ( ( ( element @ SV204 @ ( powerset @ SV51 ) )
        = $false )
      | ( ( ! [SY713: $i] :
              ( ~ ( element @ SY713 @ SV51 )
              | ( in @ SY713 @ SV204 )
              | ( in @ SY713 @ ( subset_complement @ SV51 @ SV204 ) ) ) )
        = $true )
      | ( ( SV51 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1297]) ).

thf(1457,plain,
    ! [SV162: $i,SV52: $i,SV205: $i] :
      ( ( ( element @ SV205 @ ( powerset @ SV52 ) )
        = $false )
      | ( ( ~ ( in @ SV162 @ ( subset_complement @ SV52 @ SV205 ) )
          | ~ ( in @ SV162 @ SV205 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1298]) ).

thf(1458,plain,
    ! [SV220: $i,SV163: $i,SV55: $i] :
      ( ( ( ( singleton @ SV55 )
          = ( unordered_pair @ SV163 @ SV220 ) )
        = $false )
      | ( ( SV55 = SV163 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1300]) ).

thf(1459,plain,
    ! [SV206: $i,SV164: $i,SV57: $i] :
      ( ( ( ( singleton @ SV57 )
          = ( unordered_pair @ SV164 @ SV206 ) )
        = $false )
      | ( ( SV164 = SV206 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1301]) ).

thf(1460,plain,
    ! [SV58: $i,SV165: $i] :
      ( ( ( in @ SV165 @ SV58 )
        = $false )
      | ( ( in @ SV58 @ SV165 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1302]) ).

thf(1461,plain,
    ! [SV59: $i,SV166: $i] :
      ( ( ( proper_subset @ SV166 @ SV59 )
        = $false )
      | ( ( proper_subset @ SV59 @ SV166 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1303]) ).

thf(1462,plain,
    ! [SV207: $i,SV70: $i,SV175: $i] :
      ( ( ( ~ ( element @ SV175 @ ( powerset @ SV70 ) ) )
        = $true )
      | ( ( ~ ( element @ SV207 @ ( powerset @ SV70 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV70 @ SV175 @ SV207 ) @ ( powerset @ SV70 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1308]) ).

thf(1463,plain,
    ! [SV179: $i,SV79: $i] :
      ( ( ( empty @ ( cartesian_product2 @ SV79 @ SV179 ) )
        = $false )
      | ( ( empty @ SV179 )
        = $true )
      | ( ( empty @ SV79 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1312]) ).

thf(1464,plain,
    ! [SV210: $i,SV86: $i,SV183: $i] :
      ( ( ( ~ ( element @ SV183 @ ( powerset @ SV86 ) ) )
        = $true )
      | ( ( ~ ( element @ SV210 @ ( powerset @ SV86 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV86 @ SV183 @ SV210 )
          = ( set_difference @ SV183 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1316]) ).

thf(1465,plain,
    ! [SV91: $i,SV186: $i] :
      ( ( ( empty @ SV186 )
        = $true )
      | ( ( in @ SV91 @ SV186 )
        = $true )
      | ( ( element @ SV91 @ SV186 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1319]) ).

thf(1466,plain,
    ! [SV94: $i,SV211: $i,SV187: $i] :
      ( ( ( ~ ( element @ SV187 @ ( powerset @ SV211 ) ) )
        = $true )
      | ( ( ~ ( in @ SV94 @ SV187 ) )
        = $true )
      | ( ( element @ SV94 @ SV211 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1320]) ).

thf(1467,plain,
    ! [SV95: $i,SV212: $i,SV188: $i] :
      ( ( ( ~ ( element @ SV188 @ ( powerset @ SV212 ) ) )
        = $true )
      | ( ( ~ ( in @ SV95 @ SV188 ) )
        = $true )
      | ( ( ~ ( empty @ SV212 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1321]) ).

thf(1468,plain,
    ! [SV189: $i,SV97: $i] :
      ( ( ( in @ SV97 @ SV189 )
        = $false )
      | ( ( empty @ SV189 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1322]) ).

thf(1469,plain,
    ! [SV190: $i,SV98: $i] :
      ( ( ( empty @ SV98 )
        = $false )
      | ( ( SV98 = SV190 )
        = $true )
      | ( ( ~ ( empty @ SV190 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1323]) ).

thf(1470,plain,
    ! [SV99: $i,SV280: $i] :
      ( ( ! [SY781: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY781 @ SV280 @ SV99 ) @ SV99 )
                    | ( in @ ( sK15_D @ SY781 @ SV280 @ SV99 ) @ SV280 )
                    | ~ ( in @ ( sK15_D @ SY781 @ SV280 @ SV99 ) @ SY781 ) )
                | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY781 @ SV280 @ SV99 ) @ SV99 )
                          | ( in @ ( sK15_D @ SY781 @ SV280 @ SV99 ) @ SY781 ) )
                      | ~ ( ~ ( in @ ( sK15_D @ SY781 @ SV280 @ SV99 ) @ SV280 )
                          | ( in @ ( sK15_D @ SY781 @ SV280 @ SV99 ) @ SY781 ) ) ) )
            | ( SY781
              = ( set_difference @ SV99 @ SV280 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1324]) ).

thf(1471,plain,
    ! [SV281: $i,SV99: $i] :
      ( ( ! [SY782: $i] :
            ( ( SY782
             != ( set_difference @ SV99 @ SV281 ) )
            | ~ ( ~ ! [SY783: $i] :
                      ( ~ ( in @ SY783 @ SV99 )
                      | ( in @ SY783 @ SV281 )
                      | ( in @ SY783 @ SY782 ) )
                | ~ ~ ( ~ ! [SY522: $i] :
                            ( ~ ( in @ SY522 @ SY782 )
                            | ( in @ SY522 @ SV99 ) )
                      | ~ ! [SY785: $i] :
                            ( ~ ( in @ SY785 @ SY782 )
                            | ~ ( in @ SY785 @ SV281 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1325]) ).

thf(1472,plain,
    ! [SV221: $i] :
      ( ( ( ~ ( relation @ SV221 ) )
        = $true )
      | ( ( ( ( relation_dom @ SV221 )
           != empty_set )
          | ( SV221 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1326]) ).

thf(1473,plain,
    ! [SV222: $i] :
      ( ( ( ~ ( relation @ SV222 ) )
        = $true )
      | ( ( ( ( relation_rng @ SV222 )
           != empty_set )
          | ( SV222 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1327]) ).

thf(1474,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ~ ( ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV223 )
            | ~ ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV282 ) )
        | ( subset @ SV223 @ SV282 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1328]) ).

thf(1475,plain,
    ! [SV283: $i,SV224: $i] :
      ( ( ~ ( subset @ SV224 @ SV283 )
        | ! [SY786: $i] :
            ( ~ ( in @ SY786 @ SV224 )
            | ( in @ SY786 @ SV283 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1329]) ).

thf(1476,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ~ ( ~ ( ( ( sK31_C @ SV284 @ SV225 )
                 != SV225 )
                | ~ ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) )
            | ~ ( ( ( sK31_C @ SV284 @ SV225 )
                  = SV225 )
                | ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) ) )
        | ( SV284
          = ( singleton @ SV225 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1330]) ).

thf(1477,plain,
    ! [SV226: $i,SV285: $i] :
      ( ( ( SV285
         != ( singleton @ SV226 ) )
        | ~ ( ~ ! [SY787: $i] :
                  ( ( SY787 != SV226 )
                  | ( in @ SY787 @ SV285 ) )
            | ~ ! [SY788: $i] :
                  ( ~ ( in @ SY788 @ SV285 )
                  | ( SY788 = SV226 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1331]) ).

thf(1478,plain,
    ! [SV227: $i] :
      ( ( ( in @ ( sK30_B @ SV227 ) @ SV227 )
        = $true )
      | ( ( SV227 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1332]) ).

thf(1479,plain,
    ! [SV228: $i] :
      ( ( ( ( SV228 != empty_set ) )
        = $true )
      | ( ( ! [SY721: $i] :
              ~ ( in @ SY721 @ SV228 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1333]) ).

thf(1480,plain,
    ! [SV100: $i] :
      ( ( ( ~ ! [SY524: $i] :
                ( ~ ( ~ ( ! [SY525: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ SY525 ) @ SV100 )
                        | ~ ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ ( sK21_SY396 @ SY524 @ SV100 ) ) @ SV100 )
                        | ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) ) )
                | ( SY524
                  = ( relation_dom @ SV100 ) ) ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1334]) ).

thf(1481,plain,
    ! [SV100: $i] :
      ( ( ( ~ ! [SY526: $i] :
                ( ( SY526
                 != ( relation_dom @ SV100 ) )
                | ~ ( ~ ! [SY527: $i] :
                          ( ! [SY528: $i] :
                              ~ ( in @ ( ordered_pair @ SY527 @ SY528 ) @ SV100 )
                          | ( in @ SY527 @ SY526 ) )
                    | ~ ! [SY529: $i] :
                          ( ~ ( in @ SY529 @ SY526 )
                          | ( in @ ( ordered_pair @ SY529 @ ( sK19_D @ SY529 @ SY526 @ SV100 ) ) @ SV100 ) ) ) ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1334]) ).

thf(1482,plain,
    ! [SV286: $i,SV229: $i] :
      ( ( ( ( set_difference @ SV229 @ SV286 )
         != empty_set )
        | ( subset @ SV229 @ SV286 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1335]) ).

thf(1483,plain,
    ! [SV287: $i,SV230: $i] :
      ( ( ~ ( subset @ SV230 @ SV287 )
        | ( ( set_difference @ SV230 @ SV287 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1336]) ).

thf(1484,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
                | ~ ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) )
            | ~ ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
                | ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) ) )
        | ( SV288
          = ( powerset @ SV231 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1337]) ).

thf(1485,plain,
    ! [SV232: $i,SV289: $i] :
      ( ( ( SV289
         != ( powerset @ SV232 ) )
        | ~ ( ~ ! [SY789: $i] :
                  ( ~ ( in @ SY789 @ SV289 )
                  | ( subset @ SY789 @ SV232 ) )
            | ~ ! [SY790: $i] :
                  ( ~ ( subset @ SY790 @ SV232 )
                  | ( in @ SY790 @ SV289 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1338]) ).

thf(1486,plain,
    ! [SV290: $i,SV101: $i] :
      ( ( ~ ( subset @ SV101 @ SV290 )
        | ! [SY791: $i] : ( subset @ ( cartesian_product2 @ SV101 @ SY791 ) @ ( cartesian_product2 @ SV290 @ SY791 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1339]) ).

thf(1487,plain,
    ! [SV291: $i,SV101: $i] :
      ( ( ~ ( subset @ SV101 @ SV291 )
        | ! [SY792: $i] : ( subset @ ( cartesian_product2 @ SY792 @ SV101 ) @ ( cartesian_product2 @ SY792 @ SV291 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1340]) ).

thf(1488,plain,
    ! [SV292: $i,SV102: $i] :
      ( ( ! [SY793: $i] :
            ( ~ ( in @ SV102 @ SY793 )
            | ~ ( in @ SV292 @ SY793 )
            | ( subset @ ( unordered_pair @ SV102 @ SV292 ) @ SY793 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1341]) ).

thf(1489,plain,
    ! [SV102: $i] :
      ( ( ~ ! [SY536: $i,SY537: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV102 @ SY536 ) @ SY537 )
              | ( in @ SV102 @ SY537 ) )
        | ~ ! [SY538: $i,SY539: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV102 @ SY538 ) @ SY539 )
              | ( in @ SY538 @ SY539 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1342]) ).

thf(1490,plain,
    ! [SV103: $i] :
      ( ( ( ~ ! [SY540: $i,SY541: $i] :
                ( ~ ( relation @ SY541 )
                | ~ ( ~ ( ~ ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                        | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                        | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                    | ~ ~ ( ~ ( ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                              | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                          | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                              | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) ) ) )
                | ( SY541
                  = ( relation_dom_restriction @ SV103 @ SY540 ) ) ) )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1343]) ).

thf(1491,plain,
    ! [SV103: $i] :
      ( ( ( ~ ! [SY542: $i,SY543: $i] :
                ( ~ ( relation @ SY543 )
                | ( SY543
                 != ( relation_dom_restriction @ SV103 @ SY542 ) )
                | ~ ( ~ ! [SY544: $i,SY545: $i] :
                          ( ~ ( in @ SY544 @ SY542 )
                          | ~ ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SV103 )
                          | ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SY543 ) )
                    | ~ ~ ( ~ ! [SX3: $i] :
                                ( ! [SX4: $i] :
                                    ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY543 )
                                | ( in @ SX3 @ SY542 ) )
                          | ~ ! [SY548: $i,SY549: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SY543 )
                                | ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SV103 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1343]) ).

thf(1492,plain,
    ! [SV233: $i] :
      ( ( ( ~ ( relation @ SV233 ) )
        = $true )
      | ( ( ( ( relation_dom @ SV233 )
           != empty_set )
          | ( ( relation_rng @ SV233 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1344]) ).

thf(1493,plain,
    ! [SV234: $i] :
      ( ( ( ~ ( relation @ SV234 ) )
        = $true )
      | ( ( ( ( relation_rng @ SV234 )
           != empty_set )
          | ( ( relation_dom @ SV234 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1345]) ).

thf(1494,plain,
    ! [SV191: $i,SV104: $i] :
      ( ( ( ~ ! [SY687: $i] :
                ( ~ ( element @ SY687 @ ( powerset @ SV104 ) )
                | ~ ( disjoint @ SV191 @ SY687 )
                | ( subset @ SV191 @ ( subset_complement @ SV104 @ SY687 ) ) )
          | ~ ! [SY688: $i] :
                ( ~ ( element @ SY688 @ ( powerset @ SV104 ) )
                | ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SY688 ) )
                | ( disjoint @ SV191 @ SY688 ) ) )
        = $false )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1346]) ).

thf(1495,plain,
    ! [SV105: $i] :
      ( ( ( ~ ! [SY553: $i] :
                ( ~ ( relation @ SY553 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                        | ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                        | ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) ) )
                | ( SV105 = SY553 ) ) )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1347]) ).

thf(1496,plain,
    ! [SV105: $i] :
      ( ( ( ~ ! [SY554: $i] :
                ( ~ ( relation @ SY554 )
                | ( SV105 != SY554 )
                | ~ ( ~ ! [SY555: $i,SY556: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SV105 )
                          | ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SY554 ) )
                    | ~ ! [SY557: $i,SY558: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SY554 )
                          | ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SV105 ) ) ) ) )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1347]) ).

thf(1497,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ! [SY689: $i,SY690: $i] :
            ( ~ ( relation @ SY690 )
            | ~ ( in @ SV106 @ SY689 )
            | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY690 )
            | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY689 ) @ SY690 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1348]) ).

thf(1498,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ( ~ ! [SY691: $i,SY692: $i] :
                  ( ~ ( relation @ SY692 )
                  | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY691 ) @ SY692 ) )
                  | ( in @ SV106 @ SY691 ) )
            | ~ ! [SY693: $i,SY694: $i] :
                  ( ~ ( relation @ SY694 )
                  | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY693 ) @ SY694 ) )
                  | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY694 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1349]) ).

thf(1499,plain,
    ! [SV235: $i] :
      ( ( ( ~ ( relation @ SV235 ) )
        = $true )
      | ( ( ( relation_rng @ SV235 )
          = ( relation_dom @ ( relation_inverse @ SV235 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1350]) ).

thf(1500,plain,
    ! [SV236: $i] :
      ( ( ( ~ ( relation @ SV236 ) )
        = $true )
      | ( ( ( relation_dom @ SV236 )
          = ( relation_rng @ ( relation_inverse @ SV236 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1351]) ).

thf(1501,plain,
    ! [SV293: $i,SV237: $i] :
      ( ( ( ( set_difference @ SV237 @ SV293 )
         != empty_set )
        | ( subset @ SV237 @ SV293 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1352]) ).

thf(1502,plain,
    ! [SV294: $i,SV238: $i] :
      ( ( ~ ( subset @ SV238 @ SV294 )
        | ( ( set_difference @ SV238 @ SV294 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1353]) ).

thf(1503,plain,
    ! [SV107: $i,SV239: $i] :
      ( ( ( ~ ( relation @ SV239 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY730: $i] :
                    ( ~ ( relation @ SY730 )
                    | ~ ( ~ ( ! [SY731: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ SY731 ) @ SV107 )
                                | ~ ( in @ ( ordered_pair @ SY731 @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) ) @ SV107 )
                                | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                            | ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) ) )
                    | ( SY730
                      = ( relation_composition @ SV107 @ SV239 ) ) )
              | ~ ! [SY732: $i] :
                    ( ~ ( relation @ SY732 )
                    | ( SY732
                     != ( relation_composition @ SV107 @ SV239 ) )
                    | ~ ( ~ ! [SY733: $i,SY734: $i] :
                              ( ! [SY735: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY733 @ SY735 ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ SY735 @ SY734 ) @ SV239 ) )
                              | ( in @ ( ordered_pair @ SY733 @ SY734 ) @ SY732 ) )
                        | ~ ! [SY736: $i,SY737: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY736 @ SY737 ) @ SY732 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY736 @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) @ SY737 ) @ SV239 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1354]) ).

thf(1504,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ! [SY695: $i,SY696: $i] :
            ( ~ ( in @ SV108 @ SY695 )
            | ~ ( in @ SV193 @ SY696 )
            | ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY695 @ SY696 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1355]) ).

thf(1505,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ( ~ ! [SY697: $i] :
                  ( ! [SY698: $i] :
                      ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY697 @ SY698 ) )
                  | ( in @ SV108 @ SY697 ) )
            | ~ ! [SY699: $i,SY700: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY699 @ SY700 ) )
                  | ( in @ SV193 @ SY700 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1356]) ).

thf(1506,plain,
    ! [SV295: $i,SV109: $i] :
      ( ( ! [SY794: $i] :
            ( ~ ( relation @ SY794 )
            | ~ ( in @ ( ordered_pair @ SV109 @ SV295 ) @ SY794 )
            | ( in @ SV109 @ ( relation_dom @ SY794 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1357]) ).

thf(1507,plain,
    ! [SV296: $i,SV109: $i] :
      ( ( ! [SY795: $i] :
            ( ~ ( relation @ SY795 )
            | ~ ( in @ ( ordered_pair @ SV109 @ SV296 ) @ SY795 )
            | ( in @ SV296 @ ( relation_rng @ SY795 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1358]) ).

thf(1508,plain,
    ! [SV297: $i,SV240: $i] :
      ( ( ( disjoint @ SV240 @ SV297 )
        | ( in @ ( sK39_C @ SV297 @ SV240 ) @ ( set_intersection2 @ SV240 @ SV297 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1359]) ).

thf(1509,plain,
    ! [SV298: $i,SV241: $i] :
      ( ( ! [SY796: $i] :
            ~ ( in @ SY796 @ ( set_intersection2 @ SV241 @ SV298 ) )
        | ~ ( disjoint @ SV241 @ SV298 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1360]) ).

thf(1510,plain,
    ! [SV299: $i,SV242: $i] :
      ( ( ( ( set_difference @ SV242 @ SV299 )
         != SV242 )
        | ( disjoint @ SV242 @ SV299 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1361]) ).

thf(1511,plain,
    ! [SV300: $i,SV243: $i] :
      ( ( ~ ( disjoint @ SV243 @ SV300 )
        | ( ( set_difference @ SV243 @ SV300 )
          = SV243 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1362]) ).

thf(1512,plain,
    ! [SV110: $i] :
      ( ( ( ~ ! [SY586: $i] :
                ( ~ ( relation @ SY586 )
                | ~ ( subset @ SV110 @ SY586 )
                | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SY586 ) ) ) )
        = $false )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1363]) ).

thf(1513,plain,
    ! [SV110: $i] :
      ( ( ( ~ ! [SY587: $i] :
                ( ~ ( relation @ SY587 )
                | ~ ( subset @ SV110 @ SY587 )
                | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SY587 ) ) ) )
        = $false )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1363]) ).

thf(1514,plain,
    ! [SV301: $i,SV244: $i] :
      ( ( ( disjoint @ SV244 @ SV301 )
        | ~ ( ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV244 )
            | ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV301 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1364]) ).

thf(1515,plain,
    ! [SV302: $i,SV245: $i] :
      ( ( ! [SY797: $i] :
            ( ~ ( in @ SY797 @ SV245 )
            | ~ ( in @ SY797 @ SV302 ) )
        | ~ ( disjoint @ SV245 @ SV302 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1365]) ).

thf(1516,plain,
    ! [SV303: $i,SV246: $i] :
      ( ( ~ ( element @ SV246 @ ( powerset @ SV303 ) )
        | ( subset @ SV246 @ SV303 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1366]) ).

thf(1517,plain,
    ! [SV304: $i,SV247: $i] :
      ( ( ~ ( subset @ SV247 @ SV304 )
        | ( element @ SV247 @ ( powerset @ SV304 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1367]) ).

thf(1518,plain,
    ! [SV111: $i,SV305: $i] :
      ( ( ! [SY798: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SY798 @ SV305 @ SV111 ) @ SY798 )
                          | ~ ( in @ ( sK28_D @ SY798 @ SV305 @ SV111 ) @ SV111 ) )
                      | ~ ( ~ ( in @ ( sK28_D @ SY798 @ SV305 @ SV111 ) @ SY798 )
                          | ~ ( in @ ( sK28_D @ SY798 @ SV305 @ SV111 ) @ SV305 ) ) )
                | ~ ( ( in @ ( sK28_D @ SY798 @ SV305 @ SV111 ) @ SY798 )
                    | ( in @ ( sK28_D @ SY798 @ SV305 @ SV111 ) @ SV111 )
                    | ( in @ ( sK28_D @ SY798 @ SV305 @ SV111 ) @ SV305 ) ) )
            | ( SY798
              = ( set_union2 @ SV111 @ SV305 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1368]) ).

thf(1519,plain,
    ! [SV306: $i,SV111: $i] :
      ( ( ! [SY799: $i] :
            ( ( SY799
             != ( set_union2 @ SV111 @ SV306 ) )
            | ~ ( ~ ! [SY800: $i] :
                      ( ~ ( in @ SY800 @ SY799 )
                      | ( in @ SY800 @ SV111 )
                      | ( in @ SY800 @ SV306 ) )
                | ~ ~ ( ~ ! [SY593: $i] :
                            ( ~ ( in @ SY593 @ SV111 )
                            | ( in @ SY593 @ SY799 ) )
                      | ~ ! [SY802: $i] :
                            ( ~ ( in @ SY802 @ SV306 )
                            | ( in @ SY802 @ SY799 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1369]) ).

thf(1520,plain,
    ! [SV307: $i,SV248: $i] :
      ( ( ~ ( in @ SV248 @ SV307 )
        | ( subset @ ( singleton @ SV248 ) @ SV307 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1370]) ).

thf(1521,plain,
    ! [SV308: $i,SV249: $i] :
      ( ( ~ ( subset @ ( singleton @ SV249 ) @ SV308 )
        | ( in @ SV249 @ SV308 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1371]) ).

thf(1522,plain,
    ! [SV112: $i,SV309: $i] :
      ( ( ~ ( subset @ SV309 @ ( sK41_B @ SV112 ) )
        | ( are_equipotent @ SV309 @ ( sK41_B @ SV112 ) )
        | ( in @ SV309 @ ( sK41_B @ SV112 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1372]) ).

thf(1523,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY596: $i] :
              ( ~ ( in @ SY596 @ ( sK41_B @ SV112 ) )
              | ( in @ ( powerset @ SY596 ) @ ( sK41_B @ SV112 ) ) )
        | ~ ~ ( ~ ! [SY597: $i,SY598: $i] :
                    ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
                    | ~ ( subset @ SY598 @ SY597 )
                    | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
              | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1373]) ).

thf(1524,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ! [SY701: $i,SY702: $i] :
            ( ~ ( in @ SV113 @ SY701 )
            | ~ ( in @ SV194 @ SY702 )
            | ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY701 @ SY702 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1374]) ).

thf(1525,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ( ~ ! [SY703: $i] :
                  ( ! [SY704: $i] :
                      ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY703 @ SY704 ) )
                  | ( in @ SV113 @ SY703 ) )
            | ~ ! [SY705: $i,SY706: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY705 @ SY706 ) )
                  | ( in @ SV194 @ SY706 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1375]) ).

thf(1526,plain,
    ! [SV114: $i] :
      ( ( ( ~ ! [SY606: $i] :
                ( ~ ( relation @ SY606 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SV114 )
                    | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SY606 ) )
                | ( subset @ SV114 @ SY606 ) ) )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1376]) ).

thf(1527,plain,
    ! [SV114: $i] :
      ( ( ( ~ ! [SY607: $i] :
                ( ~ ( relation @ SY607 )
                | ~ ( subset @ SV114 @ SY607 )
                | ! [SY608: $i,SY609: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SV114 )
                    | ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SY607 ) ) ) )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1376]) ).

thf(1528,plain,
    ! [SV115: $i] :
      ( ( ( ~ ! [SY610: $i] :
                ( ~ ( relation @ SY610 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                        | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                        | ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) ) )
                | ( SY610
                  = ( relation_inverse @ SV115 ) ) ) )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1377]) ).

thf(1529,plain,
    ! [SV115: $i] :
      ( ( ( ~ ! [SY611: $i] :
                ( ~ ( relation @ SY611 )
                | ( SY611
                 != ( relation_inverse @ SV115 ) )
                | ~ ( ~ ! [SY612: $i,SY613: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY612 @ SY613 ) @ SY611 )
                          | ( in @ ( ordered_pair @ SY613 @ SY612 ) @ SV115 ) )
                    | ~ ! [SY614: $i,SY615: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY615 @ SY614 ) @ SV115 )
                          | ( in @ ( ordered_pair @ SY614 @ SY615 ) @ SY611 ) ) ) ) )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1377]) ).

thf(1530,plain,
    ! [SV310: $i,SV250: $i] :
      ( ( ( ( set_difference @ SV250 @ ( singleton @ SV310 ) )
         != SV250 )
        | ~ ( in @ SV310 @ SV250 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1378]) ).

thf(1531,plain,
    ! [SV251: $i,SV311: $i] :
      ( ( ( in @ SV311 @ SV251 )
        | ( ( set_difference @ SV251 @ ( singleton @ SV311 ) )
          = SV251 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1379]) ).

thf(1532,plain,
    ! [SV312: $i,SV116: $i] :
      ( ( ! [SY803: $i] :
            ( ~ ( relation @ SY803 )
            | ~ ( in @ SV116 @ SV312 )
            | ~ ( in @ SV116 @ ( relation_dom @ SY803 ) )
            | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY803 @ SV312 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1381]) ).

thf(1533,plain,
    ! [SV116: $i] :
      ( ( ~ ! [SY618: $i,SY619: $i] :
              ( ~ ( relation @ SY619 )
              | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY619 @ SY618 ) ) )
              | ( in @ SV116 @ SY618 ) )
        | ~ ! [SY620: $i,SY621: $i] :
              ( ~ ( relation @ SY621 )
              | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY621 @ SY620 ) ) )
              | ( in @ SV116 @ ( relation_dom @ SY621 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1382]) ).

thf(1534,plain,
    ! [SV313: $i,SV117: $i] :
      ( ( ! [SY804: $i] :
            ( ~ ( relation @ SY804 )
            | ~ ( in @ ( ordered_pair @ SV117 @ SV313 ) @ SY804 )
            | ( in @ SV117 @ ( relation_field @ SY804 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1383]) ).

thf(1535,plain,
    ! [SV314: $i,SV117: $i] :
      ( ( ! [SY805: $i] :
            ( ~ ( relation @ SY805 )
            | ~ ( in @ ( ordered_pair @ SV117 @ SV314 ) @ SY805 )
            | ( in @ SV314 @ ( relation_field @ SY805 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1384]) ).

thf(1536,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ~ ( relation @ SV315 )
        | ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                 != ( sK36_SY405 @ SV315 @ SV252 ) )
                | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                | ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
            | ~ ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                        = ( sK36_SY405 @ SV315 @ SV252 ) )
                      | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
                  | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                      | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) ) )
        | ( SV315
          = ( identity_relation @ SV252 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1385]) ).

thf(1537,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ~ ( relation @ SV316 )
        | ( SV316
         != ( identity_relation @ SV253 ) )
        | ~ ( ~ ! [SY806: $i,SY807: $i] :
                  ( ( SY806 != SY807 )
                  | ~ ( in @ SY806 @ SV253 )
                  | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) )
            | ~ ~ ( ~ ! [SY808: $i,SY809: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                        | ( SY808 = SY809 ) )
                  | ~ ! [SY810: $i] :
                        ( ! [SY811: $i] :
                            ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                        | ( in @ SY810 @ SV253 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1386]) ).

thf(1538,plain,
    ! [SV317: $i,SV254: $i] :
      ( ( ~ ( in @ SV254 @ SV317 )
        | ( subset @ ( singleton @ SV254 ) @ SV317 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1387]) ).

thf(1539,plain,
    ! [SV318: $i,SV255: $i] :
      ( ( ~ ( subset @ ( singleton @ SV255 ) @ SV318 )
        | ( in @ SV255 @ SV318 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1388]) ).

thf(1540,plain,
    ! [SV319: $i,SV118: $i] :
      ( ( ! [SY812: $i] :
            ( ~ ( ~ ( ! [SY813: $i,SY814: $i] :
                        ( ~ ( in @ SY813 @ SV118 )
                        | ~ ( in @ SY814 @ SV319 )
                        | ( ( sK25_D @ SY812 @ SV319 @ SV118 )
                         != ( ordered_pair @ SY813 @ SY814 ) ) )
                    | ~ ( in @ ( sK25_D @ SY812 @ SV319 @ SV118 ) @ SY812 ) )
                | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SY812 @ SV319 @ SV118 ) @ SV118 )
                              | ~ ( in @ ( sK27_SY402 @ SY812 @ SV319 @ SV118 ) @ SV319 ) )
                        | ( ( sK25_D @ SY812 @ SV319 @ SV118 )
                         != ( ordered_pair @ ( sK26_SY400 @ SY812 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SY812 @ SV319 @ SV118 ) ) ) )
                    | ( in @ ( sK25_D @ SY812 @ SV319 @ SV118 ) @ SY812 ) ) )
            | ( SY812
              = ( cartesian_product2 @ SV118 @ SV319 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1389]) ).

thf(1541,plain,
    ! [SV320: $i,SV118: $i] :
      ( ( ! [SY815: $i] :
            ( ( SY815
             != ( cartesian_product2 @ SV118 @ SV320 ) )
            | ~ ( ~ ! [SY816: $i] :
                      ( ! [SY817: $i,SY818: $i] :
                          ( ~ ( in @ SY817 @ SV118 )
                          | ~ ( in @ SY818 @ SV320 )
                          | ( SY816
                           != ( ordered_pair @ SY817 @ SY818 ) ) )
                      | ( in @ SY816 @ SY815 ) )
                | ~ ! [SY819: $i] :
                      ( ~ ( in @ SY819 @ SY815 )
                      | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY819 @ SY815 @ SV320 @ SV118 ) @ SV118 )
                                | ~ ( in @ ( sK24_SY397 @ SY819 @ SY815 @ SV320 @ SV118 ) @ SV320 ) )
                          | ( SY819
                           != ( ordered_pair @ ( sK23_E @ SY819 @ SY815 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SY819 @ SY815 @ SV320 @ SV118 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1390]) ).

thf(1542,plain,
    ! [SV321: $i,SV256: $i] :
      ( ( ( ( set_intersection2 @ SV256 @ SV321 )
         != empty_set )
        | ( disjoint @ SV256 @ SV321 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1391]) ).

thf(1543,plain,
    ! [SV322: $i,SV257: $i] :
      ( ( ~ ( disjoint @ SV257 @ SV322 )
        | ( ( set_intersection2 @ SV257 @ SV322 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1392]) ).

thf(1544,plain,
    ! [SV119: $i,SV323: $i] :
      ( ( ! [SY820: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SY820 @ SV323 @ SV119 ) @ SY820 )
                          | ( ( sK29_D @ SY820 @ SV323 @ SV119 )
                           != SV119 ) )
                      | ~ ( ~ ( in @ ( sK29_D @ SY820 @ SV323 @ SV119 ) @ SY820 )
                          | ( ( sK29_D @ SY820 @ SV323 @ SV119 )
                           != SV323 ) ) )
                | ~ ( ( in @ ( sK29_D @ SY820 @ SV323 @ SV119 ) @ SY820 )
                    | ( ( sK29_D @ SY820 @ SV323 @ SV119 )
                      = SV119 )
                    | ( ( sK29_D @ SY820 @ SV323 @ SV119 )
                      = SV323 ) ) )
            | ( SY820
              = ( unordered_pair @ SV119 @ SV323 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1393]) ).

thf(1545,plain,
    ! [SV324: $i,SV119: $i] :
      ( ( ! [SY821: $i] :
            ( ( SY821
             != ( unordered_pair @ SV119 @ SV324 ) )
            | ~ ( ~ ! [SY822: $i] :
                      ( ~ ( in @ SY822 @ SY821 )
                      | ( SY822 = SV119 )
                      | ( SY822 = SV324 ) )
                | ~ ~ ( ~ ! [SY641: $i] :
                            ( ( SY641 != SV119 )
                            | ( in @ SY641 @ SY821 ) )
                      | ~ ! [SY824: $i] :
                            ( ( SY824 != SV324 )
                            | ( in @ SY824 @ SY821 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1394]) ).

thf(1546,plain,
    ! [SV258: $i] :
      ( ( ( ~ ( ~ ! [SY764: $i,SY765: $i] :
                    ( ( sK58_B @ SV258 )
                   != ( ordered_pair @ SY764 @ SY765 ) )
              | ~ ( in @ ( sK58_B @ SV258 ) @ SV258 ) ) )
        = $true )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1395]) ).

thf(1547,plain,
    ! [SV259: $i] :
      ( ( ( ~ ( relation @ SV259 ) )
        = $true )
      | ( ( ! [SY766: $i] :
              ( ( SY766
                = ( ordered_pair @ ( sK56_C @ SY766 @ SV259 ) @ ( sK57_SY422 @ SY766 @ SV259 ) ) )
              | ~ ( in @ SY766 @ SV259 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1396]) ).

thf(1548,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
              | ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) ) )
        = $false )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1397]) ).

thf(1549,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( ~ ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
              | ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) ) )
        = $false )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1397]) ).

thf(1550,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1398]) ).

thf(1551,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( in @ SX1 @ SX0 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1398]) ).

thf(1552,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( empty @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1399]) ).

thf(1553,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( empty @ SX1 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1399]) ).

thf(1554,plain,
    ! [SV325: $i,SV260: $i] :
      ( ( ~ ( subset @ SV260 @ ( singleton @ SV325 ) )
        | ( SV260 = empty_set )
        | ( SV260
          = ( singleton @ SV325 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1400]) ).

thf(1555,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1401]) ).

thf(1556,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1401]) ).

thf(1557,plain,
    ! [SV121: $i,SV326: $i] :
      ( ( ~ ( subset @ SV326 @ ( sK43_B @ SV121 ) )
        | ( are_equipotent @ SV326 @ ( sK43_B @ SV121 ) )
        | ( in @ SV326 @ ( sK43_B @ SV121 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1402]) ).

thf(1558,plain,
    ! [SV121: $i] :
      ( ( ~ ! [SY645: $i] :
              ( ~ ( ~ ! [SY646: $i] :
                        ( ~ ( subset @ SY646 @ SY645 )
                        | ( in @ SY646 @ ( sK44_SY413 @ SY645 @ SV121 ) ) )
                  | ~ ( in @ ( sK44_SY413 @ SY645 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
              | ~ ( in @ SY645 @ ( sK43_B @ SV121 ) ) )
        | ~ ~ ( ~ ! [SY647: $i,SY648: $i] :
                    ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
                    | ~ ( subset @ SY648 @ SY647 )
                    | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
              | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1403]) ).

thf(1559,plain,
    ! [SV122: $i] :
      ( ( ( element @ ( sK7_B @ SV122 ) @ ( powerset @ SV122 ) )
        = $true )
      | ( ( empty @ SV122 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1404]) ).

thf(1560,plain,
    ! [SV122: $i] :
      ( ( ( ~ ( empty @ ( sK7_B @ SV122 ) ) )
        = $true )
      | ( ( empty @ SV122 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1405]) ).

thf(1561,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ ( sK34_SY403 @ SX1 @ SX0 ) ) )
                        | ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SX0 )
                            | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX2 ) )
                        | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1408]) ).

thf(1562,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( ~ ( in @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                              | ~ ~ ( in @ SX2 @ ( sK32_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)],[1408]) ).

thf(1563,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ( SX1 = empty_set ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1409]) ).

thf(1564,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1 != empty_set )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1409]) ).

thf(1565,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ~ ( subset @ SV261 @ SV327 )
        | ~ ( subset @ SV327 @ SV261 )
        | ( SV261 = SV327 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1410]) ).

thf(1566,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1411]) ).

thf(1567,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1411]) ).

thf(1568,plain,
    ! [SV328: $i,SV262: $i] :
      ( ( ~ ( empty @ SV262 )
        | ~ ( relation @ SV328 )
        | ( empty @ ( relation_composition @ SV328 @ SV262 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1412]) ).

thf(1569,plain,
    ! [SV329: $i,SV263: $i] :
      ( ( ~ ( empty @ SV263 )
        | ~ ( relation @ SV329 )
        | ( relation @ ( relation_composition @ SV329 @ SV263 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1413]) ).

thf(1570,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ( ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV124 ) )
        = $false )
      | ( ( element @ SV124 @ ( powerset @ SV196 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1416]) ).

thf(1571,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ( ~ ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV196 ) )
        = $false )
      | ( ( element @ SV124 @ ( powerset @ SV196 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1416]) ).

thf(1572,plain,
    ! [SV330: $i,SV266: $i] :
      ( ( ( SV266 = SV330 )
        | ~ ( subset @ SV266 @ SV330 )
        | ( proper_subset @ SV266 @ SV330 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1417]) ).

thf(1573,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1574,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1575,plain,
    ! [SV331: $i,SV267: $i] :
      ( ( ~ ( empty @ SV267 )
        | ~ ( relation @ SV331 )
        | ( empty @ ( relation_composition @ SV267 @ SV331 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1419]) ).

thf(1576,plain,
    ! [SV332: $i,SV268: $i] :
      ( ( ~ ( empty @ SV268 )
        | ~ ( relation @ SV332 )
        | ( relation @ ( relation_composition @ SV268 @ SV332 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1420]) ).

thf(1577,plain,
    ! [SV125: $i,SV333: $i] :
      ( ( ! [SY825: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SY825 @ SV333 @ SV125 ) @ SV125 )
                    | ~ ( in @ ( sK22_D @ SY825 @ SV333 @ SV125 ) @ SV333 )
                    | ~ ( in @ ( sK22_D @ SY825 @ SV333 @ SV125 ) @ SY825 ) )
                | ~ ~ ( ~ ( ( in @ ( sK22_D @ SY825 @ SV333 @ SV125 ) @ SV125 )
                          | ( in @ ( sK22_D @ SY825 @ SV333 @ SV125 ) @ SY825 ) )
                      | ~ ( ( in @ ( sK22_D @ SY825 @ SV333 @ SV125 ) @ SV333 )
                          | ( in @ ( sK22_D @ SY825 @ SV333 @ SV125 ) @ SY825 ) ) ) )
            | ( SY825
              = ( set_intersection2 @ SV125 @ SV333 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1421]) ).

thf(1578,plain,
    ! [SV334: $i,SV125: $i] :
      ( ( ! [SY826: $i] :
            ( ( SY826
             != ( set_intersection2 @ SV125 @ SV334 ) )
            | ~ ( ~ ! [SY827: $i] :
                      ( ~ ( in @ SY827 @ SV125 )
                      | ~ ( in @ SY827 @ SV334 )
                      | ( in @ SY827 @ SY826 ) )
                | ~ ~ ( ~ ! [SY655: $i] :
                            ( ~ ( in @ SY655 @ SY826 )
                            | ( in @ SY655 @ SV125 ) )
                      | ~ ! [SY829: $i] :
                            ( ~ ( in @ SY829 @ SY826 )
                            | ( in @ SY829 @ SV334 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1422]) ).

thf(1579,plain,
    ! [SV269: $i] :
      ( ( ( ~ ( empty @ SV269 ) )
        = $true )
      | ( ( empty @ ( relation_dom @ SV269 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1423]) ).

thf(1580,plain,
    ! [SV270: $i] :
      ( ( ( ~ ( empty @ SV270 ) )
        = $true )
      | ( ( relation @ ( relation_dom @ SV270 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1424]) ).

thf(1581,plain,
    ! [SV126: $i] :
      ( ( ( ~ ! [SY657: $i] :
                ( ~ ( ~ ( ! [SY658: $i] :
                            ~ ( in @ ( ordered_pair @ SY658 @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                        | ~ ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SY657 @ SV126 ) @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                        | ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) ) )
                | ( SY657
                  = ( relation_rng @ SV126 ) ) ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1425]) ).

thf(1582,plain,
    ! [SV126: $i] :
      ( ( ( ~ ! [SY659: $i] :
                ( ( SY659
                 != ( relation_rng @ SV126 ) )
                | ~ ( ~ ! [SY660: $i] :
                          ( ! [SY661: $i] :
                              ~ ( in @ ( ordered_pair @ SY661 @ SY660 ) @ SV126 )
                          | ( in @ SY660 @ SY659 ) )
                    | ~ ! [SY662: $i] :
                          ( ~ ( in @ SY662 @ SY659 )
                          | ( in @ ( ordered_pair @ ( sK47_D @ SY662 @ SY659 @ SV126 ) @ SY662 ) @ SV126 ) ) ) ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1425]) ).

thf(1583,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ~ ( ~ ( ! [SY830: $i] :
                    ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SY830 )
                    | ~ ( in @ SY830 @ SV271 ) )
                | ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
            | ~ ( ~ ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
                    | ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) )
                | ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) ) )
        | ( SV335
          = ( union @ SV271 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1426]) ).

thf(1584,plain,
    ! [SV272: $i,SV336: $i] :
      ( ( ( SV336
         != ( union @ SV272 ) )
        | ~ ( ~ ! [SY831: $i] :
                  ( ! [SY778: $i] :
                      ( ~ ( in @ SY831 @ SY778 )
                      | ~ ( in @ SY778 @ SV272 ) )
                  | ( in @ SY831 @ SV336 ) )
            | ~ ! [SY833: $i] :
                  ( ~ ( in @ SY833 @ SV336 )
                  | ~ ( ~ ( in @ SY833 @ ( sK16_D @ SY833 @ SV336 @ SV272 ) )
                      | ~ ( in @ ( sK16_D @ SY833 @ SV336 @ SV272 ) @ SV272 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1427]) ).

thf(1585,plain,
    ! [SV273: $i] :
      ( ( ( ~ ( empty @ SV273 ) )
        = $true )
      | ( ( empty @ ( relation_rng @ SV273 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1428]) ).

thf(1586,plain,
    ! [SV274: $i] :
      ( ( ( ~ ( empty @ SV274 ) )
        = $true )
      | ( ( relation @ ( relation_rng @ SV274 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1429]) ).

thf(1587,plain,
    ! [SV337: $i,SV275: $i] :
      ( ( ~ ( subset @ SV275 @ ( singleton @ SV337 ) )
        | ( SV275 = empty_set )
        | ( SV275
          = ( singleton @ SV337 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1430]) ).

thf(1588,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1431]) ).

thf(1589,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1431]) ).

thf(1590,plain,
    ! [SV197: $i,SV127: $i] :
      ( ( ! [SY707: $i] :
            ( ! [SY708: $i] :
                ( ( ordered_pair @ SV127 @ SV197 )
               != ( ordered_pair @ SY707 @ SY708 ) )
            | ( SV127 = SY707 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1432]) ).

thf(1591,plain,
    ! [SV197: $i,SV127: $i] :
      ( ( ! [SY709: $i,SY710: $i] :
            ( ( ( ordered_pair @ SV127 @ SV197 )
             != ( ordered_pair @ SY709 @ SY710 ) )
            | ( SV197 = SY710 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1433]) ).

thf(1592,plain,
    ! [SV213: $i,SV198: $i,SV129: $i,SV2: $i] :
      ( ( ( ~ ( subset @ SV2 @ SV129 ) )
        = $true )
      | ( ( ~ ( subset @ SV198 @ SV213 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV2 @ SV198 ) @ ( cartesian_product2 @ SV129 @ SV213 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1434]) ).

thf(1593,plain,
    ! [SV199: $i,SV132: $i,SV5: $i] :
      ( ( ( subset @ SV5 @ SV132 )
        = $false )
      | ( ( ~ ( subset @ SV5 @ SV199 ) )
        = $true )
      | ( ( subset @ SV5 @ ( set_intersection2 @ SV132 @ SV199 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1435]) ).

thf(1594,plain,
    ! [SV200: $i,SV133: $i,SV6: $i] :
      ( ( ( subset @ SV6 @ SV133 )
        = $false )
      | ( ( ~ ( subset @ SV133 @ SV200 ) )
        = $true )
      | ( ( subset @ SV6 @ SV200 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1436]) ).

thf(1595,plain,
    ! [SV14: $i,SV214: $i] :
      ( ( ( relation @ SV214 )
        = $false )
      | ( ( subset @ ( relation_dom @ ( relation_composition @ SV14 @ SV214 ) ) @ ( relation_dom @ SV14 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1439]) ).

thf(1596,plain,
    ! [SV15: $i,SV215: $i] :
      ( ( ( relation @ SV215 )
        = $false )
      | ( ( subset @ ( relation_rng @ ( relation_composition @ SV15 @ SV215 ) ) @ ( relation_rng @ SV215 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1440]) ).

thf(1597,plain,
    ! [SV17: $i,SV216: $i] :
      ( ( ( relation @ SV216 )
        = $false )
      | ( ( ~ ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SV216 ) )
          | ( ( relation_dom @ ( relation_composition @ SV17 @ SV216 ) )
            = ( relation_dom @ SV17 ) ) )
        = $true )
      | ( ( relation @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1441]) ).

thf(1598,plain,
    ! [SV18: $i,SV217: $i] :
      ( ( ( relation @ SV217 )
        = $false )
      | ( ( ~ ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SV217 ) )
          | ( ( relation_rng @ ( relation_composition @ SV217 @ SV18 ) )
            = ( relation_rng @ SV18 ) ) )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1442]) ).

thf(1599,plain,
    ! [SV20: $i,SV201: $i,SV140: $i] :
      ( ( ( disjoint @ SV140 @ SV201 )
        = $false )
      | ( ( ~ ( subset @ SV20 @ SV140 ) )
        = $true )
      | ( ( disjoint @ SV20 @ SV201 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1444]) ).

thf(1600,plain,
    ! [SV202: $i,SV144: $i,SV24: $i] :
      ( ( ( subset @ SV24 @ SV144 )
        = $false )
      | ( ( ~ ( subset @ SV202 @ SV144 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV24 @ SV202 ) @ SV144 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1445]) ).

thf(1601,plain,
    ! [SV30: $i,SV148: $i] :
      ( ( ( relation @ SV148 )
        = $false )
      | ( ( relation @ SV30 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV30 @ SV148 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1446]) ).

thf(1602,plain,
    ! [SV33: $i,SV149: $i] :
      ( ( ( relation @ SV149 )
        = $false )
      | ( ( relation @ SV33 )
        = $false )
      | ( ( relation @ ( set_intersection2 @ SV33 @ SV149 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1447]) ).

thf(1603,plain,
    ! [SV34: $i,SV150: $i] :
      ( ( ( relation @ SV150 )
        = $false )
      | ( ( relation @ SV34 )
        = $false )
      | ( ( relation @ ( set_union2 @ SV34 @ SV150 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1448]) ).

thf(1604,plain,
    ! [SV43: $i,SV154: $i,SV278: $i] :
      ( ( ( ~ ( in @ SV278 @ SV154 ) )
        = $true )
      | ( ( in @ SV278 @ SV43 )
        = $true )
      | ( ( element @ SV154 @ ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1452]) ).

thf(1605,plain,
    ! [SV155: $i,SV44: $i,SV279: $i] :
      ( ( ( in @ SV279 @ SV44 )
        = $true )
      | ( ( subset @ SV44 @ ( set_difference @ SV155 @ ( singleton @ SV279 ) ) )
        = $true )
      | ( ( subset @ SV44 @ SV155 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1453]) ).

thf(1606,plain,
    ! [SV219: $i,SV156: $i,SV203: $i,SV45: $i] :
      ( ( ( SV45 = SV203 )
        = $true )
      | ( ( ( ( unordered_pair @ SV45 @ SV156 )
           != ( unordered_pair @ SV203 @ SV219 ) ) )
        = $true )
      | ( ( SV45 = SV219 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1454]) ).

thf(1607,plain,
    ! [SV159: $i,SV48: $i] :
      ( ( ( ( complements_of_subsets @ SV48 @ SV159 )
          = empty_set )
        = $false )
      | ( ( SV159 = empty_set )
        = $true )
      | ( ( element @ SV159 @ ( powerset @ ( powerset @ SV48 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1455]) ).

thf(1608,plain,
    ! [SV204: $i,SV51: $i,SV338: $i] :
      ( ( ( ~ ( element @ SV338 @ SV51 )
          | ( in @ SV338 @ SV204 )
          | ( in @ SV338 @ ( subset_complement @ SV51 @ SV204 ) ) )
        = $true )
      | ( ( element @ SV204 @ ( powerset @ SV51 ) )
        = $false )
      | ( ( SV51 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1456]) ).

thf(1609,plain,
    ! [SV205: $i,SV52: $i,SV162: $i] :
      ( ( ( ~ ( in @ SV162 @ ( subset_complement @ SV52 @ SV205 ) ) )
        = $true )
      | ( ( ~ ( in @ SV162 @ SV205 ) )
        = $true )
      | ( ( element @ SV205 @ ( powerset @ SV52 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1457]) ).

thf(1610,plain,
    ! [SV207: $i,SV70: $i,SV175: $i] :
      ( ( ( element @ SV175 @ ( powerset @ SV70 ) )
        = $false )
      | ( ( ~ ( element @ SV207 @ ( powerset @ SV70 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV70 @ SV175 @ SV207 ) @ ( powerset @ SV70 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1462]) ).

thf(1611,plain,
    ! [SV210: $i,SV86: $i,SV183: $i] :
      ( ( ( element @ SV183 @ ( powerset @ SV86 ) )
        = $false )
      | ( ( ~ ( element @ SV210 @ ( powerset @ SV86 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV86 @ SV183 @ SV210 )
          = ( set_difference @ SV183 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1464]) ).

thf(1612,plain,
    ! [SV94: $i,SV211: $i,SV187: $i] :
      ( ( ( element @ SV187 @ ( powerset @ SV211 ) )
        = $false )
      | ( ( ~ ( in @ SV94 @ SV187 ) )
        = $true )
      | ( ( element @ SV94 @ SV211 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1466]) ).

thf(1613,plain,
    ! [SV95: $i,SV212: $i,SV188: $i] :
      ( ( ( element @ SV188 @ ( powerset @ SV212 ) )
        = $false )
      | ( ( ~ ( in @ SV95 @ SV188 ) )
        = $true )
      | ( ( ~ ( empty @ SV212 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1467]) ).

thf(1614,plain,
    ! [SV98: $i,SV190: $i] :
      ( ( ( empty @ SV190 )
        = $false )
      | ( ( SV98 = SV190 )
        = $true )
      | ( ( empty @ SV98 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1469]) ).

thf(1615,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
                | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
                | ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
            | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
                      | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
                  | ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
                      | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) ) )
        | ( SV339
          = ( set_difference @ SV99 @ SV280 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1470]) ).

thf(1616,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( SV340
         != ( set_difference @ SV99 @ SV281 ) )
        | ~ ( ~ ! [SY834: $i] :
                  ( ~ ( in @ SY834 @ SV99 )
                  | ( in @ SY834 @ SV281 )
                  | ( in @ SY834 @ SV340 ) )
            | ~ ~ ( ~ ! [SY835: $i] :
                        ( ~ ( in @ SY835 @ SV340 )
                        | ( in @ SY835 @ SV99 ) )
                  | ~ ! [SY836: $i] :
                        ( ~ ( in @ SY836 @ SV340 )
                        | ~ ( in @ SY836 @ SV281 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1471]) ).

thf(1617,plain,
    ! [SV221: $i] :
      ( ( ( relation @ SV221 )
        = $false )
      | ( ( ( ( relation_dom @ SV221 )
           != empty_set )
          | ( SV221 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1472]) ).

thf(1618,plain,
    ! [SV222: $i] :
      ( ( ( relation @ SV222 )
        = $false )
      | ( ( ( ( relation_rng @ SV222 )
           != empty_set )
          | ( SV222 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1473]) ).

thf(1619,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV223 )
              | ~ ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV282 ) ) )
        = $true )
      | ( ( subset @ SV223 @ SV282 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1474]) ).

thf(1620,plain,
    ! [SV283: $i,SV224: $i] :
      ( ( ( ~ ( subset @ SV224 @ SV283 ) )
        = $true )
      | ( ( ! [SY786: $i] :
              ( ~ ( in @ SY786 @ SV224 )
              | ( in @ SY786 @ SV283 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1475]) ).

thf(1621,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ~ ( ~ ( ( ( sK31_C @ SV284 @ SV225 )
                   != SV225 )
                  | ~ ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) )
              | ~ ( ( ( sK31_C @ SV284 @ SV225 )
                    = SV225 )
                  | ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) ) ) )
        = $true )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1476]) ).

thf(1622,plain,
    ! [SV226: $i,SV285: $i] :
      ( ( ( ( SV285
           != ( singleton @ SV226 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY787: $i] :
                    ( ( SY787 != SV226 )
                    | ( in @ SY787 @ SV285 ) )
              | ~ ! [SY788: $i] :
                    ( ~ ( in @ SY788 @ SV285 )
                    | ( SY788 = SV226 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1477]) ).

thf(1623,plain,
    ! [SV228: $i] :
      ( ( ( SV228 = empty_set )
        = $false )
      | ( ( ! [SY721: $i] :
              ~ ( in @ SY721 @ SV228 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1479]) ).

thf(1624,plain,
    ! [SV100: $i] :
      ( ( ( ! [SY524: $i] :
              ( ~ ( ~ ( ! [SY525: $i] :
                          ~ ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ SY525 ) @ SV100 )
                      | ~ ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SY524 @ SV100 ) @ ( sK21_SY396 @ SY524 @ SV100 ) ) @ SV100 )
                      | ( in @ ( sK20_C @ SY524 @ SV100 ) @ SY524 ) ) )
              | ( SY524
                = ( relation_dom @ SV100 ) ) ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1480]) ).

thf(1625,plain,
    ! [SV100: $i] :
      ( ( ( ! [SY526: $i] :
              ( ( SY526
               != ( relation_dom @ SV100 ) )
              | ~ ( ~ ! [SY527: $i] :
                        ( ! [SY528: $i] :
                            ~ ( in @ ( ordered_pair @ SY527 @ SY528 ) @ SV100 )
                        | ( in @ SY527 @ SY526 ) )
                  | ~ ! [SY529: $i] :
                        ( ~ ( in @ SY529 @ SY526 )
                        | ( in @ ( ordered_pair @ SY529 @ ( sK19_D @ SY529 @ SY526 @ SV100 ) ) @ SV100 ) ) ) ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1481]) ).

thf(1626,plain,
    ! [SV286: $i,SV229: $i] :
      ( ( ( ( ( set_difference @ SV229 @ SV286 )
           != empty_set ) )
        = $true )
      | ( ( subset @ SV229 @ SV286 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1482]) ).

thf(1627,plain,
    ! [SV287: $i,SV230: $i] :
      ( ( ( ~ ( subset @ SV230 @ SV287 ) )
        = $true )
      | ( ( ( set_difference @ SV230 @ SV287 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1483]) ).

thf(1628,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
                  | ~ ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) )
              | ~ ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
                  | ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) ) ) )
        = $true )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1484]) ).

thf(1629,plain,
    ! [SV232: $i,SV289: $i] :
      ( ( ( ( SV289
           != ( powerset @ SV232 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY789: $i] :
                    ( ~ ( in @ SY789 @ SV289 )
                    | ( subset @ SY789 @ SV232 ) )
              | ~ ! [SY790: $i] :
                    ( ~ ( subset @ SY790 @ SV232 )
                    | ( in @ SY790 @ SV289 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1485]) ).

thf(1630,plain,
    ! [SV290: $i,SV101: $i] :
      ( ( ( ~ ( subset @ SV101 @ SV290 ) )
        = $true )
      | ( ( ! [SY791: $i] : ( subset @ ( cartesian_product2 @ SV101 @ SY791 ) @ ( cartesian_product2 @ SV290 @ SY791 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1486]) ).

thf(1631,plain,
    ! [SV291: $i,SV101: $i] :
      ( ( ( ~ ( subset @ SV101 @ SV291 ) )
        = $true )
      | ( ( ! [SY792: $i] : ( subset @ ( cartesian_product2 @ SY792 @ SV101 ) @ ( cartesian_product2 @ SY792 @ SV291 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1487]) ).

thf(1632,plain,
    ! [SV292: $i,SV341: $i,SV102: $i] :
      ( ( ~ ( in @ SV102 @ SV341 )
        | ~ ( in @ SV292 @ SV341 )
        | ( subset @ ( unordered_pair @ SV102 @ SV292 ) @ SV341 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1488]) ).

thf(1633,plain,
    ! [SV102: $i] :
      ( ( ~ ! [SY536: $i,SY537: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV102 @ SY536 ) @ SY537 )
              | ( in @ SV102 @ SY537 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1489]) ).

thf(1634,plain,
    ! [SV102: $i] :
      ( ( ~ ! [SY538: $i,SY539: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV102 @ SY538 ) @ SY539 )
              | ( in @ SY538 @ SY539 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1489]) ).

thf(1635,plain,
    ! [SV103: $i] :
      ( ( ( ! [SY540: $i,SY541: $i] :
              ( ~ ( relation @ SY541 )
              | ~ ( ~ ( ~ ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                      | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                      | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ SY540 )
                            | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SV103 )
                            | ( in @ ( ordered_pair @ ( sK59_D @ SY541 @ SY540 @ SV103 ) @ ( sK60_SY425 @ SY541 @ SY540 @ SV103 ) ) @ SY541 ) ) ) )
              | ( SY541
                = ( relation_dom_restriction @ SV103 @ SY540 ) ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1490]) ).

thf(1636,plain,
    ! [SV103: $i] :
      ( ( ( ! [SY542: $i,SY543: $i] :
              ( ~ ( relation @ SY543 )
              | ( SY543
               != ( relation_dom_restriction @ SV103 @ SY542 ) )
              | ~ ( ~ ! [SY544: $i,SY545: $i] :
                        ( ~ ( in @ SY544 @ SY542 )
                        | ~ ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SV103 )
                        | ( in @ ( ordered_pair @ SY544 @ SY545 ) @ SY543 ) )
                  | ~ ~ ( ~ ! [SX3: $i] :
                              ( ! [SX4: $i] :
                                  ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SY543 )
                              | ( in @ SX3 @ SY542 ) )
                        | ~ ! [SY548: $i,SY549: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SY543 )
                              | ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SV103 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1491]) ).

thf(1637,plain,
    ! [SV233: $i] :
      ( ( ( relation @ SV233 )
        = $false )
      | ( ( ( ( relation_dom @ SV233 )
           != empty_set )
          | ( ( relation_rng @ SV233 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1492]) ).

thf(1638,plain,
    ! [SV234: $i] :
      ( ( ( relation @ SV234 )
        = $false )
      | ( ( ( ( relation_rng @ SV234 )
           != empty_set )
          | ( ( relation_dom @ SV234 )
            = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1493]) ).

thf(1639,plain,
    ! [SV191: $i,SV104: $i] :
      ( ( ( ~ ! [SY687: $i] :
                ( ~ ( element @ SY687 @ ( powerset @ SV104 ) )
                | ~ ( disjoint @ SV191 @ SY687 )
                | ( subset @ SV191 @ ( subset_complement @ SV104 @ SY687 ) ) ) )
        = $false )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1494]) ).

thf(1640,plain,
    ! [SV191: $i,SV104: $i] :
      ( ( ( ~ ! [SY688: $i] :
                ( ~ ( element @ SY688 @ ( powerset @ SV104 ) )
                | ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SY688 ) )
                | ( disjoint @ SV191 @ SY688 ) ) )
        = $false )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1494]) ).

thf(1641,plain,
    ! [SV105: $i] :
      ( ( ( ! [SY553: $i] :
              ( ~ ( relation @ SY553 )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                      | ~ ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SV105 )
                      | ( in @ ( ordered_pair @ ( sK53_C @ SY553 @ SV105 ) @ ( sK54_SY421 @ SY553 @ SV105 ) ) @ SY553 ) ) )
              | ( SV105 = SY553 ) ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1495]) ).

thf(1642,plain,
    ! [SV105: $i] :
      ( ( ( ! [SY554: $i] :
              ( ~ ( relation @ SY554 )
              | ( SV105 != SY554 )
              | ~ ( ~ ! [SY555: $i,SY556: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SV105 )
                        | ( in @ ( ordered_pair @ SY555 @ SY556 ) @ SY554 ) )
                  | ~ ! [SY557: $i,SY558: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SY554 )
                        | ( in @ ( ordered_pair @ SY557 @ SY558 ) @ SV105 ) ) ) ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1496]) ).

thf(1643,plain,
    ! [SV192: $i,SV342: $i,SV106: $i] :
      ( ( ! [SY837: $i] :
            ( ~ ( relation @ SY837 )
            | ~ ( in @ SV106 @ SV342 )
            | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY837 )
            | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SY837 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1497]) ).

thf(1644,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ! [SY691: $i,SY692: $i] :
              ( ~ ( relation @ SY692 )
              | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY691 ) @ SY692 ) )
              | ( in @ SV106 @ SY691 ) )
        | ~ ! [SY693: $i,SY694: $i] :
              ( ~ ( relation @ SY694 )
              | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY693 ) @ SY694 ) )
              | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY694 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1498]) ).

thf(1645,plain,
    ! [SV235: $i] :
      ( ( ( relation @ SV235 )
        = $false )
      | ( ( ( relation_rng @ SV235 )
          = ( relation_dom @ ( relation_inverse @ SV235 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1499]) ).

thf(1646,plain,
    ! [SV236: $i] :
      ( ( ( relation @ SV236 )
        = $false )
      | ( ( ( relation_dom @ SV236 )
          = ( relation_rng @ ( relation_inverse @ SV236 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1500]) ).

thf(1647,plain,
    ! [SV293: $i,SV237: $i] :
      ( ( ( ( ( set_difference @ SV237 @ SV293 )
           != empty_set ) )
        = $true )
      | ( ( subset @ SV237 @ SV293 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1501]) ).

thf(1648,plain,
    ! [SV294: $i,SV238: $i] :
      ( ( ( ~ ( subset @ SV238 @ SV294 ) )
        = $true )
      | ( ( ( set_difference @ SV238 @ SV294 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1502]) ).

thf(1649,plain,
    ! [SV107: $i,SV239: $i] :
      ( ( ( relation @ SV239 )
        = $false )
      | ( ( ~ ( ~ ! [SY730: $i] :
                    ( ~ ( relation @ SY730 )
                    | ~ ( ~ ( ! [SY731: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ SY731 ) @ SV107 )
                                | ~ ( in @ ( ordered_pair @ SY731 @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) ) @ SV107 )
                                | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                            | ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) ) )
                    | ( SY730
                      = ( relation_composition @ SV107 @ SV239 ) ) )
              | ~ ! [SY732: $i] :
                    ( ~ ( relation @ SY732 )
                    | ( SY732
                     != ( relation_composition @ SV107 @ SV239 ) )
                    | ~ ( ~ ! [SY733: $i,SY734: $i] :
                              ( ! [SY735: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY733 @ SY735 ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ SY735 @ SY734 ) @ SV239 ) )
                              | ( in @ ( ordered_pair @ SY733 @ SY734 ) @ SY732 ) )
                        | ~ ! [SY736: $i,SY737: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY736 @ SY737 ) @ SY732 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY736 @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) ) @ SV107 )
                                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) @ SY737 ) @ SV239 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1503]) ).

thf(1650,plain,
    ! [SV193: $i,SV343: $i,SV108: $i] :
      ( ( ! [SY838: $i] :
            ( ~ ( in @ SV108 @ SV343 )
            | ~ ( in @ SV193 @ SY838 )
            | ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV343 @ SY838 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1504]) ).

thf(1651,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ! [SY697: $i] :
              ( ! [SY698: $i] :
                  ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY697 @ SY698 ) )
              | ( in @ SV108 @ SY697 ) )
        | ~ ! [SY699: $i,SY700: $i] :
              ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY699 @ SY700 ) )
              | ( in @ SV193 @ SY700 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1505]) ).

thf(1652,plain,
    ! [SV295: $i,SV109: $i,SV344: $i] :
      ( ( ~ ( relation @ SV344 )
        | ~ ( in @ ( ordered_pair @ SV109 @ SV295 ) @ SV344 )
        | ( in @ SV109 @ ( relation_dom @ SV344 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1506]) ).

thf(1653,plain,
    ! [SV296: $i,SV109: $i,SV345: $i] :
      ( ( ~ ( relation @ SV345 )
        | ~ ( in @ ( ordered_pair @ SV109 @ SV296 ) @ SV345 )
        | ( in @ SV296 @ ( relation_rng @ SV345 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1507]) ).

thf(1654,plain,
    ! [SV297: $i,SV240: $i] :
      ( ( ( disjoint @ SV240 @ SV297 )
        = $true )
      | ( ( in @ ( sK39_C @ SV297 @ SV240 ) @ ( set_intersection2 @ SV240 @ SV297 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1508]) ).

thf(1655,plain,
    ! [SV298: $i,SV241: $i] :
      ( ( ( ! [SY796: $i] :
              ~ ( in @ SY796 @ ( set_intersection2 @ SV241 @ SV298 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV241 @ SV298 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1509]) ).

thf(1656,plain,
    ! [SV299: $i,SV242: $i] :
      ( ( ( ( ( set_difference @ SV242 @ SV299 )
           != SV242 ) )
        = $true )
      | ( ( disjoint @ SV242 @ SV299 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1510]) ).

thf(1657,plain,
    ! [SV300: $i,SV243: $i] :
      ( ( ( ~ ( disjoint @ SV243 @ SV300 ) )
        = $true )
      | ( ( ( set_difference @ SV243 @ SV300 )
          = SV243 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1511]) ).

thf(1658,plain,
    ! [SV110: $i] :
      ( ( ( ! [SY586: $i] :
              ( ~ ( relation @ SY586 )
              | ~ ( subset @ SV110 @ SY586 )
              | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SY586 ) ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1512]) ).

thf(1659,plain,
    ! [SV110: $i] :
      ( ( ( ! [SY587: $i] :
              ( ~ ( relation @ SY587 )
              | ~ ( subset @ SV110 @ SY587 )
              | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SY587 ) ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1513]) ).

thf(1660,plain,
    ! [SV301: $i,SV244: $i] :
      ( ( ( disjoint @ SV244 @ SV301 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV244 )
              | ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV301 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1514]) ).

thf(1661,plain,
    ! [SV302: $i,SV245: $i] :
      ( ( ( ! [SY797: $i] :
              ( ~ ( in @ SY797 @ SV245 )
              | ~ ( in @ SY797 @ SV302 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV245 @ SV302 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1515]) ).

thf(1662,plain,
    ! [SV303: $i,SV246: $i] :
      ( ( ( ~ ( element @ SV246 @ ( powerset @ SV303 ) ) )
        = $true )
      | ( ( subset @ SV246 @ SV303 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1516]) ).

thf(1663,plain,
    ! [SV304: $i,SV247: $i] :
      ( ( ( ~ ( subset @ SV247 @ SV304 ) )
        = $true )
      | ( ( element @ SV247 @ ( powerset @ SV304 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1517]) ).

thf(1664,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                      | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
                  | ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                      | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
            | ~ ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
                | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
        | ( SV346
          = ( set_union2 @ SV111 @ SV305 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1518]) ).

thf(1665,plain,
    ! [SV306: $i,SV111: $i,SV347: $i] :
      ( ( ( SV347
         != ( set_union2 @ SV111 @ SV306 ) )
        | ~ ( ~ ! [SY839: $i] :
                  ( ~ ( in @ SY839 @ SV347 )
                  | ( in @ SY839 @ SV111 )
                  | ( in @ SY839 @ SV306 ) )
            | ~ ~ ( ~ ! [SY840: $i] :
                        ( ~ ( in @ SY840 @ SV111 )
                        | ( in @ SY840 @ SV347 ) )
                  | ~ ! [SY841: $i] :
                        ( ~ ( in @ SY841 @ SV306 )
                        | ( in @ SY841 @ SV347 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1519]) ).

thf(1666,plain,
    ! [SV307: $i,SV248: $i] :
      ( ( ( ~ ( in @ SV248 @ SV307 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV248 ) @ SV307 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1520]) ).

thf(1667,plain,
    ! [SV308: $i,SV249: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV249 ) @ SV308 ) )
        = $true )
      | ( ( in @ SV249 @ SV308 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1521]) ).

thf(1668,plain,
    ! [SV112: $i,SV309: $i] :
      ( ( ( ~ ( subset @ SV309 @ ( sK41_B @ SV112 ) )
          | ( are_equipotent @ SV309 @ ( sK41_B @ SV112 ) ) )
        = $true )
      | ( ( in @ SV309 @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1522]) ).

thf(1669,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY596: $i] :
              ( ~ ( in @ SY596 @ ( sK41_B @ SV112 ) )
              | ( in @ ( powerset @ SY596 ) @ ( sK41_B @ SV112 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1523]) ).

thf(1670,plain,
    ! [SV112: $i] :
      ( ( ~ ~ ( ~ ! [SY597: $i,SY598: $i] :
                    ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
                    | ~ ( subset @ SY598 @ SY597 )
                    | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
              | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1523]) ).

thf(1671,plain,
    ! [SV194: $i,SV348: $i,SV113: $i] :
      ( ( ! [SY842: $i] :
            ( ~ ( in @ SV113 @ SV348 )
            | ~ ( in @ SV194 @ SY842 )
            | ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV348 @ SY842 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1524]) ).

thf(1672,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ! [SY703: $i] :
              ( ! [SY704: $i] :
                  ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY703 @ SY704 ) )
              | ( in @ SV113 @ SY703 ) )
        | ~ ! [SY705: $i,SY706: $i] :
              ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY705 @ SY706 ) )
              | ( in @ SV194 @ SY706 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1525]) ).

thf(1673,plain,
    ! [SV114: $i] :
      ( ( ( ! [SY606: $i] :
              ( ~ ( relation @ SY606 )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SV114 )
                  | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SY606 @ SV114 ) @ ( sK52_SY420 @ SY606 @ SV114 ) ) @ SY606 ) )
              | ( subset @ SV114 @ SY606 ) ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1526]) ).

thf(1674,plain,
    ! [SV114: $i] :
      ( ( ( ! [SY607: $i] :
              ( ~ ( relation @ SY607 )
              | ~ ( subset @ SV114 @ SY607 )
              | ! [SY608: $i,SY609: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SV114 )
                  | ( in @ ( ordered_pair @ SY608 @ SY609 ) @ SY607 ) ) ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1527]) ).

thf(1675,plain,
    ! [SV115: $i] :
      ( ( ( ! [SY610: $i] :
              ( ~ ( relation @ SY610 )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                      | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY610 @ SV115 ) @ ( sK14_SY392 @ SY610 @ SV115 ) ) @ SY610 )
                      | ( in @ ( ordered_pair @ ( sK14_SY392 @ SY610 @ SV115 ) @ ( sK13_C @ SY610 @ SV115 ) ) @ SV115 ) ) )
              | ( SY610
                = ( relation_inverse @ SV115 ) ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1528]) ).

thf(1676,plain,
    ! [SV115: $i] :
      ( ( ( ! [SY611: $i] :
              ( ~ ( relation @ SY611 )
              | ( SY611
               != ( relation_inverse @ SV115 ) )
              | ~ ( ~ ! [SY612: $i,SY613: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY612 @ SY613 ) @ SY611 )
                        | ( in @ ( ordered_pair @ SY613 @ SY612 ) @ SV115 ) )
                  | ~ ! [SY614: $i,SY615: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY615 @ SY614 ) @ SV115 )
                        | ( in @ ( ordered_pair @ SY614 @ SY615 ) @ SY611 ) ) ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1529]) ).

thf(1677,plain,
    ! [SV310: $i,SV250: $i] :
      ( ( ( ( ( set_difference @ SV250 @ ( singleton @ SV310 ) )
           != SV250 ) )
        = $true )
      | ( ( ~ ( in @ SV310 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1530]) ).

thf(1678,plain,
    ! [SV251: $i,SV311: $i] :
      ( ( ( in @ SV311 @ SV251 )
        = $true )
      | ( ( ( set_difference @ SV251 @ ( singleton @ SV311 ) )
          = SV251 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1531]) ).

thf(1679,plain,
    ! [SV312: $i,SV116: $i,SV349: $i] :
      ( ( ~ ( relation @ SV349 )
        | ~ ( in @ SV116 @ SV312 )
        | ~ ( in @ SV116 @ ( relation_dom @ SV349 ) )
        | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV349 @ SV312 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1532]) ).

thf(1680,plain,
    ! [SV116: $i] :
      ( ( ~ ! [SY618: $i,SY619: $i] :
              ( ~ ( relation @ SY619 )
              | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY619 @ SY618 ) ) )
              | ( in @ SV116 @ SY618 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1533]) ).

thf(1681,plain,
    ! [SV116: $i] :
      ( ( ~ ! [SY620: $i,SY621: $i] :
              ( ~ ( relation @ SY621 )
              | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY621 @ SY620 ) ) )
              | ( in @ SV116 @ ( relation_dom @ SY621 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1533]) ).

thf(1682,plain,
    ! [SV313: $i,SV117: $i,SV350: $i] :
      ( ( ~ ( relation @ SV350 )
        | ~ ( in @ ( ordered_pair @ SV117 @ SV313 ) @ SV350 )
        | ( in @ SV117 @ ( relation_field @ SV350 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1534]) ).

thf(1683,plain,
    ! [SV314: $i,SV117: $i,SV351: $i] :
      ( ( ~ ( relation @ SV351 )
        | ~ ( in @ ( ordered_pair @ SV117 @ SV314 ) @ SV351 )
        | ( in @ SV314 @ ( relation_field @ SV351 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1535]) ).

thf(1684,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( relation @ SV315 ) )
        = $true )
      | ( ( ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                   != ( sK36_SY405 @ SV315 @ SV252 ) )
                  | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                  | ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
              | ~ ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                          = ( sK36_SY405 @ SV315 @ SV252 ) )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
                    | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) ) )
          | ( SV315
            = ( identity_relation @ SV252 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1536]) ).

thf(1685,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ~ ( relation @ SV316 ) )
        = $true )
      | ( ( ( SV316
           != ( identity_relation @ SV253 ) )
          | ~ ( ~ ! [SY806: $i,SY807: $i] :
                    ( ( SY806 != SY807 )
                    | ~ ( in @ SY806 @ SV253 )
                    | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) )
              | ~ ~ ( ~ ! [SY808: $i,SY809: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                          | ( SY808 = SY809 ) )
                    | ~ ! [SY810: $i] :
                          ( ! [SY811: $i] :
                              ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                          | ( in @ SY810 @ SV253 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1537]) ).

thf(1686,plain,
    ! [SV317: $i,SV254: $i] :
      ( ( ( ~ ( in @ SV254 @ SV317 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV254 ) @ SV317 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1538]) ).

thf(1687,plain,
    ! [SV318: $i,SV255: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV255 ) @ SV318 ) )
        = $true )
      | ( ( in @ SV255 @ SV318 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1539]) ).

thf(1688,plain,
    ! [SV352: $i,SV319: $i,SV118: $i] :
      ( ( ~ ( ~ ( ! [SY843: $i,SY844: $i] :
                    ( ~ ( in @ SY843 @ SV118 )
                    | ~ ( in @ SY844 @ SV319 )
                    | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                     != ( ordered_pair @ SY843 @ SY844 ) ) )
                | ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
            | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                          | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
                    | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                     != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) )
                | ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) ) )
        | ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1540]) ).

thf(1689,plain,
    ! [SV320: $i,SV118: $i,SV353: $i] :
      ( ( ( SV353
         != ( cartesian_product2 @ SV118 @ SV320 ) )
        | ~ ( ~ ! [SY845: $i] :
                  ( ! [SY817: $i,SY818: $i] :
                      ( ~ ( in @ SY817 @ SV118 )
                      | ~ ( in @ SY818 @ SV320 )
                      | ( SY845
                       != ( ordered_pair @ SY817 @ SY818 ) ) )
                  | ( in @ SY845 @ SV353 ) )
            | ~ ! [SY848: $i] :
                  ( ~ ( in @ SY848 @ SV353 )
                  | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                            | ~ ( in @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
                      | ( SY848
                       != ( ordered_pair @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1541]) ).

thf(1690,plain,
    ! [SV321: $i,SV256: $i] :
      ( ( ( ( ( set_intersection2 @ SV256 @ SV321 )
           != empty_set ) )
        = $true )
      | ( ( disjoint @ SV256 @ SV321 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1542]) ).

thf(1691,plain,
    ! [SV322: $i,SV257: $i] :
      ( ( ( ~ ( disjoint @ SV257 @ SV322 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV257 @ SV322 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1543]) ).

thf(1692,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                      | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                       != SV119 ) )
                  | ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                      | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                       != SV323 ) ) )
            | ~ ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                  = SV119 )
                | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                  = SV323 ) ) )
        | ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1544]) ).

thf(1693,plain,
    ! [SV324: $i,SV119: $i,SV355: $i] :
      ( ( ( SV355
         != ( unordered_pair @ SV119 @ SV324 ) )
        | ~ ( ~ ! [SY849: $i] :
                  ( ~ ( in @ SY849 @ SV355 )
                  | ( SY849 = SV119 )
                  | ( SY849 = SV324 ) )
            | ~ ~ ( ~ ! [SY850: $i] :
                        ( ( SY850 != SV119 )
                        | ( in @ SY850 @ SV355 ) )
                  | ~ ! [SY851: $i] :
                        ( ( SY851 != SV324 )
                        | ( in @ SY851 @ SV355 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1545]) ).

thf(1694,plain,
    ! [SV258: $i] :
      ( ( ( ~ ! [SY764: $i,SY765: $i] :
                ( ( sK58_B @ SV258 )
               != ( ordered_pair @ SY764 @ SY765 ) )
          | ~ ( in @ ( sK58_B @ SV258 ) @ SV258 ) )
        = $false )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1546]) ).

thf(1695,plain,
    ! [SV259: $i] :
      ( ( ( relation @ SV259 )
        = $false )
      | ( ( ! [SY766: $i] :
              ( ( SY766
                = ( ordered_pair @ ( sK56_C @ SY766 @ SV259 ) @ ( sK57_SY422 @ SY766 @ SV259 ) ) )
              | ~ ( in @ SY766 @ SV259 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1547]) ).

thf(1696,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
          | ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) )
        = $true )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1548]) ).

thf(1697,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
          | ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) )
        = $true )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1549]) ).

thf(1698,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1550]) ).

thf(1699,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( in @ SX1 @ SX0 )
              | ( element @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1551]) ).

thf(1700,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ( empty @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1552]) ).

thf(1701,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( empty @ SX1 )
              | ( element @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1553]) ).

thf(1702,plain,
    ! [SV325: $i,SV260: $i] :
      ( ( ( ~ ( subset @ SV260 @ ( singleton @ SV325 ) ) )
        = $true )
      | ( ( ( SV260 = empty_set )
          | ( SV260
            = ( singleton @ SV325 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1554]) ).

thf(1703,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1555]) ).

thf(1704,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1556]) ).

thf(1705,plain,
    ! [SV121: $i,SV326: $i] :
      ( ( ( ~ ( subset @ SV326 @ ( sK43_B @ SV121 ) )
          | ( are_equipotent @ SV326 @ ( sK43_B @ SV121 ) ) )
        = $true )
      | ( ( in @ SV326 @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1557]) ).

thf(1706,plain,
    ! [SV121: $i] :
      ( ( ~ ! [SY645: $i] :
              ( ~ ( ~ ! [SY646: $i] :
                        ( ~ ( subset @ SY646 @ SY645 )
                        | ( in @ SY646 @ ( sK44_SY413 @ SY645 @ SV121 ) ) )
                  | ~ ( in @ ( sK44_SY413 @ SY645 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
              | ~ ( in @ SY645 @ ( sK43_B @ SV121 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1707,plain,
    ! [SV121: $i] :
      ( ( ~ ~ ( ~ ! [SY647: $i,SY648: $i] :
                    ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
                    | ~ ( subset @ SY648 @ SY647 )
                    | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
              | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1708,plain,
    ! [SV122: $i] :
      ( ( ( empty @ ( sK7_B @ SV122 ) )
        = $false )
      | ( ( empty @ SV122 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1560]) ).

thf(1709,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 = empty_set )
          | ! [SX1: $i] :
              ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ ( sK34_SY403 @ SX1 @ SX0 ) ) )
                      | ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
                  | ~ ( ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX0 )
                          | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX2 ) )
                      | ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) ) )
              | ( SX1
                = ( set_meet @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1561]) ).

thf(1710,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 = empty_set )
          | ! [SX1: $i] :
              ( ( SX1
               != ( set_meet @ SX0 ) )
              | ~ ( ~ ! [SX2: $i] :
                        ( ~ ( ~ ( in @ ( sK32_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ SX2 @ ( sK32_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)],[1562]) ).

thf(1711,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ( ( SX1
               != ( set_meet @ SX0 ) )
              | ( SX1 = empty_set ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1563]) ).

thf(1712,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ( ( SX1 != empty_set )
              | ( SX1
                = ( set_meet @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1564]) ).

thf(1713,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ( ~ ( subset @ SV261 @ SV327 )
          | ~ ( subset @ SV327 @ SV261 ) )
        = $true )
      | ( ( SV261 = SV327 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1565]) ).

thf(1714,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1566]) ).

thf(1715,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1567]) ).

thf(1716,plain,
    ! [SV328: $i,SV262: $i] :
      ( ( ( ~ ( empty @ SV262 )
          | ~ ( relation @ SV328 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV328 @ SV262 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1568]) ).

thf(1717,plain,
    ! [SV329: $i,SV263: $i] :
      ( ( ( ~ ( empty @ SV263 )
          | ~ ( relation @ SV329 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV329 @ SV263 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1569]) ).

thf(1718,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV124 )
        = $true )
      | ( ( element @ SV124 @ ( powerset @ SV196 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1570]) ).

thf(1719,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ( ~ ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV196 ) )
        = $true )
      | ( ( element @ SV124 @ ( powerset @ SV196 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1571]) ).

thf(1720,plain,
    ! [SV330: $i,SV266: $i] :
      ( ( ( ( SV266 = SV330 )
          | ~ ( subset @ SV266 @ SV330 ) )
        = $true )
      | ( ( proper_subset @ SV266 @ SV330 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1572]) ).

thf(1721,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( SX0 != SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1573]) ).

thf(1722,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1574]) ).

thf(1723,plain,
    ! [SV331: $i,SV267: $i] :
      ( ( ( ~ ( empty @ SV267 )
          | ~ ( relation @ SV331 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV267 @ SV331 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1575]) ).

thf(1724,plain,
    ! [SV332: $i,SV268: $i] :
      ( ( ( ~ ( empty @ SV268 )
          | ~ ( relation @ SV332 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV268 @ SV332 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1576]) ).

thf(1725,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
                | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
                | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
            | ~ ~ ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
                      | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
                  | ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
                      | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) ) )
        | ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1577]) ).

thf(1726,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( SV357
         != ( set_intersection2 @ SV125 @ SV334 ) )
        | ~ ( ~ ! [SY852: $i] :
                  ( ~ ( in @ SY852 @ SV125 )
                  | ~ ( in @ SY852 @ SV334 )
                  | ( in @ SY852 @ SV357 ) )
            | ~ ~ ( ~ ! [SY853: $i] :
                        ( ~ ( in @ SY853 @ SV357 )
                        | ( in @ SY853 @ SV125 ) )
                  | ~ ! [SY854: $i] :
                        ( ~ ( in @ SY854 @ SV357 )
                        | ( in @ SY854 @ SV334 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1578]) ).

thf(1727,plain,
    ! [SV269: $i] :
      ( ( ( empty @ SV269 )
        = $false )
      | ( ( empty @ ( relation_dom @ SV269 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1579]) ).

thf(1728,plain,
    ! [SV270: $i] :
      ( ( ( empty @ SV270 )
        = $false )
      | ( ( relation @ ( relation_dom @ SV270 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1580]) ).

thf(1729,plain,
    ! [SV126: $i] :
      ( ( ( ! [SY657: $i] :
              ( ~ ( ~ ( ! [SY658: $i] :
                          ~ ( in @ ( ordered_pair @ SY658 @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                      | ~ ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SY657 @ SV126 ) @ ( sK48_C @ SY657 @ SV126 ) ) @ SV126 )
                      | ( in @ ( sK48_C @ SY657 @ SV126 ) @ SY657 ) ) )
              | ( SY657
                = ( relation_rng @ SV126 ) ) ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1581]) ).

thf(1730,plain,
    ! [SV126: $i] :
      ( ( ( ! [SY659: $i] :
              ( ( SY659
               != ( relation_rng @ SV126 ) )
              | ~ ( ~ ! [SY660: $i] :
                        ( ! [SY661: $i] :
                            ~ ( in @ ( ordered_pair @ SY661 @ SY660 ) @ SV126 )
                        | ( in @ SY660 @ SY659 ) )
                  | ~ ! [SY662: $i] :
                        ( ~ ( in @ SY662 @ SY659 )
                        | ( in @ ( ordered_pair @ ( sK47_D @ SY662 @ SY659 @ SV126 ) @ SY662 ) @ SV126 ) ) ) ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1582]) ).

thf(1731,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( ~ ( ! [SY830: $i] :
                      ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SY830 )
                      | ~ ( in @ SY830 @ SV271 ) )
                  | ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
              | ~ ( ~ ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
                      | ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) )
                  | ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) ) ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1583]) ).

thf(1732,plain,
    ! [SV272: $i,SV336: $i] :
      ( ( ( ( SV336
           != ( union @ SV272 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY831: $i] :
                    ( ! [SY778: $i] :
                        ( ~ ( in @ SY831 @ SY778 )
                        | ~ ( in @ SY778 @ SV272 ) )
                    | ( in @ SY831 @ SV336 ) )
              | ~ ! [SY833: $i] :
                    ( ~ ( in @ SY833 @ SV336 )
                    | ~ ( ~ ( in @ SY833 @ ( sK16_D @ SY833 @ SV336 @ SV272 ) )
                        | ~ ( in @ ( sK16_D @ SY833 @ SV336 @ SV272 ) @ SV272 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1584]) ).

thf(1733,plain,
    ! [SV273: $i] :
      ( ( ( empty @ SV273 )
        = $false )
      | ( ( empty @ ( relation_rng @ SV273 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1585]) ).

thf(1734,plain,
    ! [SV274: $i] :
      ( ( ( empty @ SV274 )
        = $false )
      | ( ( relation @ ( relation_rng @ SV274 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1586]) ).

thf(1735,plain,
    ! [SV337: $i,SV275: $i] :
      ( ( ( ~ ( subset @ SV275 @ ( singleton @ SV337 ) ) )
        = $true )
      | ( ( ( SV275 = empty_set )
          | ( SV275
            = ( singleton @ SV337 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1587]) ).

thf(1736,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1588]) ).

thf(1737,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1589]) ).

thf(1738,plain,
    ! [SV358: $i,SV197: $i,SV127: $i] :
      ( ( ! [SY855: $i] :
            ( ( ordered_pair @ SV127 @ SV197 )
           != ( ordered_pair @ SV358 @ SY855 ) )
        | ( SV127 = SV358 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1590]) ).

thf(1739,plain,
    ! [SV359: $i,SV197: $i,SV127: $i] :
      ( ( ! [SY856: $i] :
            ( ( ( ordered_pair @ SV127 @ SV197 )
             != ( ordered_pair @ SV359 @ SY856 ) )
            | ( SV197 = SY856 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1591]) ).

thf(1740,plain,
    ! [SV213: $i,SV198: $i,SV129: $i,SV2: $i] :
      ( ( ( subset @ SV2 @ SV129 )
        = $false )
      | ( ( ~ ( subset @ SV198 @ SV213 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV2 @ SV198 ) @ ( cartesian_product2 @ SV129 @ SV213 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1592]) ).

thf(1741,plain,
    ! [SV132: $i,SV199: $i,SV5: $i] :
      ( ( ( subset @ SV5 @ SV199 )
        = $false )
      | ( ( subset @ SV5 @ SV132 )
        = $false )
      | ( ( subset @ SV5 @ ( set_intersection2 @ SV132 @ SV199 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1593]) ).

thf(1742,plain,
    ! [SV6: $i,SV200: $i,SV133: $i] :
      ( ( ( subset @ SV133 @ SV200 )
        = $false )
      | ( ( subset @ SV6 @ SV133 )
        = $false )
      | ( ( subset @ SV6 @ SV200 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1594]) ).

thf(1743,plain,
    ! [SV216: $i,SV17: $i] :
      ( ( ( ~ ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SV216 ) ) )
        = $true )
      | ( ( ( relation_dom @ ( relation_composition @ SV17 @ SV216 ) )
          = ( relation_dom @ SV17 ) )
        = $true )
      | ( ( relation @ SV216 )
        = $false )
      | ( ( relation @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1597]) ).

thf(1744,plain,
    ! [SV217: $i,SV18: $i] :
      ( ( ( ~ ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SV217 ) ) )
        = $true )
      | ( ( ( relation_rng @ ( relation_composition @ SV217 @ SV18 ) )
          = ( relation_rng @ SV18 ) )
        = $true )
      | ( ( relation @ SV217 )
        = $false )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1598]) ).

thf(1745,plain,
    ! [SV201: $i,SV140: $i,SV20: $i] :
      ( ( ( subset @ SV20 @ SV140 )
        = $false )
      | ( ( disjoint @ SV140 @ SV201 )
        = $false )
      | ( ( disjoint @ SV20 @ SV201 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1599]) ).

thf(1746,plain,
    ! [SV24: $i,SV144: $i,SV202: $i] :
      ( ( ( subset @ SV202 @ SV144 )
        = $false )
      | ( ( subset @ SV24 @ SV144 )
        = $false )
      | ( ( subset @ ( set_union2 @ SV24 @ SV202 ) @ SV144 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1600]) ).

thf(1747,plain,
    ! [SV43: $i,SV154: $i,SV278: $i] :
      ( ( ( in @ SV278 @ SV154 )
        = $false )
      | ( ( in @ SV278 @ SV43 )
        = $true )
      | ( ( element @ SV154 @ ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1604]) ).

thf(1748,plain,
    ! [SV219: $i,SV203: $i,SV156: $i,SV45: $i] :
      ( ( ( ( unordered_pair @ SV45 @ SV156 )
          = ( unordered_pair @ SV203 @ SV219 ) )
        = $false )
      | ( ( SV45 = SV203 )
        = $true )
      | ( ( SV45 = SV219 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1606]) ).

thf(1749,plain,
    ! [SV204: $i,SV51: $i,SV338: $i] :
      ( ( ( ~ ( element @ SV338 @ SV51 ) )
        = $true )
      | ( ( ( in @ SV338 @ SV204 )
          | ( in @ SV338 @ ( subset_complement @ SV51 @ SV204 ) ) )
        = $true )
      | ( ( element @ SV204 @ ( powerset @ SV51 ) )
        = $false )
      | ( ( SV51 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1608]) ).

thf(1750,plain,
    ! [SV205: $i,SV52: $i,SV162: $i] :
      ( ( ( in @ SV162 @ ( subset_complement @ SV52 @ SV205 ) )
        = $false )
      | ( ( ~ ( in @ SV162 @ SV205 ) )
        = $true )
      | ( ( element @ SV205 @ ( powerset @ SV52 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1609]) ).

thf(1751,plain,
    ! [SV175: $i,SV70: $i,SV207: $i] :
      ( ( ( element @ SV207 @ ( powerset @ SV70 ) )
        = $false )
      | ( ( element @ SV175 @ ( powerset @ SV70 ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV70 @ SV175 @ SV207 ) @ ( powerset @ SV70 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1610]) ).

thf(1752,plain,
    ! [SV183: $i,SV86: $i,SV210: $i] :
      ( ( ( element @ SV210 @ ( powerset @ SV86 ) )
        = $false )
      | ( ( element @ SV183 @ ( powerset @ SV86 ) )
        = $false )
      | ( ( ( subset_difference @ SV86 @ SV183 @ SV210 )
          = ( set_difference @ SV183 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1611]) ).

thf(1753,plain,
    ! [SV211: $i,SV187: $i,SV94: $i] :
      ( ( ( in @ SV94 @ SV187 )
        = $false )
      | ( ( element @ SV187 @ ( powerset @ SV211 ) )
        = $false )
      | ( ( element @ SV94 @ SV211 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1612]) ).

thf(1754,plain,
    ! [SV212: $i,SV188: $i,SV95: $i] :
      ( ( ( in @ SV95 @ SV188 )
        = $false )
      | ( ( element @ SV188 @ ( powerset @ SV212 ) )
        = $false )
      | ( ( ~ ( empty @ SV212 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1613]) ).

thf(1755,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
                  | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
                  | ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
              | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
                        | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
                    | ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
                        | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) ) ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1615]) ).

thf(1756,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( ( SV340
           != ( set_difference @ SV99 @ SV281 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY834: $i] :
                    ( ~ ( in @ SY834 @ SV99 )
                    | ( in @ SY834 @ SV281 )
                    | ( in @ SY834 @ SV340 ) )
              | ~ ~ ( ~ ! [SY835: $i] :
                          ( ~ ( in @ SY835 @ SV340 )
                          | ( in @ SY835 @ SV99 ) )
                    | ~ ! [SY836: $i] :
                          ( ~ ( in @ SY836 @ SV340 )
                          | ~ ( in @ SY836 @ SV281 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1616]) ).

thf(1757,plain,
    ! [SV221: $i] :
      ( ( ( ( ( relation_dom @ SV221 )
           != empty_set ) )
        = $true )
      | ( ( SV221 = empty_set )
        = $true )
      | ( ( relation @ SV221 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1617]) ).

thf(1758,plain,
    ! [SV222: $i] :
      ( ( ( ( ( relation_rng @ SV222 )
           != empty_set ) )
        = $true )
      | ( ( SV222 = empty_set )
        = $true )
      | ( ( relation @ SV222 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1618]) ).

thf(1759,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ( ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV223 )
          | ~ ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV282 ) )
        = $false )
      | ( ( subset @ SV223 @ SV282 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1619]) ).

thf(1760,plain,
    ! [SV283: $i,SV224: $i] :
      ( ( ( subset @ SV224 @ SV283 )
        = $false )
      | ( ( ! [SY786: $i] :
              ( ~ ( in @ SY786 @ SV224 )
              | ( in @ SY786 @ SV283 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1620]) ).

thf(1761,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ~ ( ( ( sK31_C @ SV284 @ SV225 )
               != SV225 )
              | ~ ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) )
          | ~ ( ( ( sK31_C @ SV284 @ SV225 )
                = SV225 )
              | ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) ) )
        = $false )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1621]) ).

thf(1762,plain,
    ! [SV226: $i,SV285: $i] :
      ( ( ( SV285
          = ( singleton @ SV226 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY787: $i] :
                    ( ( SY787 != SV226 )
                    | ( in @ SY787 @ SV285 ) )
              | ~ ! [SY788: $i] :
                    ( ~ ( in @ SY788 @ SV285 )
                    | ( SY788 = SV226 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1622]) ).

thf(1763,plain,
    ! [SV228: $i,SV360: $i] :
      ( ( ( ~ ( in @ SV360 @ SV228 ) )
        = $true )
      | ( ( SV228 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1623]) ).

thf(1764,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ~ ( ~ ( ! [SY857: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SY857 ) @ SV100 )
                  | ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ ( sK21_SY396 @ SV361 @ SV100 ) ) @ SV100 )
                  | ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) ) )
          | ( SV361
            = ( relation_dom @ SV100 ) ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1624]) ).

thf(1765,plain,
    ! [SV100: $i,SV362: $i] :
      ( ( ( ( SV362
           != ( relation_dom @ SV100 ) )
          | ~ ( ~ ! [SY858: $i] :
                    ( ! [SY528: $i] :
                        ~ ( in @ ( ordered_pair @ SY858 @ SY528 ) @ SV100 )
                    | ( in @ SY858 @ SV362 ) )
              | ~ ! [SY860: $i] :
                    ( ~ ( in @ SY860 @ SV362 )
                    | ( in @ ( ordered_pair @ SY860 @ ( sK19_D @ SY860 @ SV362 @ SV100 ) ) @ SV100 ) ) ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1625]) ).

thf(1766,plain,
    ! [SV286: $i,SV229: $i] :
      ( ( ( ( set_difference @ SV229 @ SV286 )
          = empty_set )
        = $false )
      | ( ( subset @ SV229 @ SV286 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1626]) ).

thf(1767,plain,
    ! [SV287: $i,SV230: $i] :
      ( ( ( subset @ SV230 @ SV287 )
        = $false )
      | ( ( ( set_difference @ SV230 @ SV287 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1627]) ).

thf(1768,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
              | ~ ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) )
          | ~ ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
              | ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) ) )
        = $false )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1628]) ).

thf(1769,plain,
    ! [SV232: $i,SV289: $i] :
      ( ( ( SV289
          = ( powerset @ SV232 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY789: $i] :
                    ( ~ ( in @ SY789 @ SV289 )
                    | ( subset @ SY789 @ SV232 ) )
              | ~ ! [SY790: $i] :
                    ( ~ ( subset @ SY790 @ SV232 )
                    | ( in @ SY790 @ SV289 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1629]) ).

thf(1770,plain,
    ! [SV290: $i,SV101: $i] :
      ( ( ( subset @ SV101 @ SV290 )
        = $false )
      | ( ( ! [SY791: $i] : ( subset @ ( cartesian_product2 @ SV101 @ SY791 ) @ ( cartesian_product2 @ SV290 @ SY791 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1630]) ).

thf(1771,plain,
    ! [SV291: $i,SV101: $i] :
      ( ( ( subset @ SV101 @ SV291 )
        = $false )
      | ( ( ! [SY792: $i] : ( subset @ ( cartesian_product2 @ SY792 @ SV101 ) @ ( cartesian_product2 @ SY792 @ SV291 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1631]) ).

thf(1772,plain,
    ! [SV292: $i,SV341: $i,SV102: $i] :
      ( ( ( ~ ( in @ SV102 @ SV341 )
          | ~ ( in @ SV292 @ SV341 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV102 @ SV292 ) @ SV341 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1632]) ).

thf(1773,plain,
    ! [SV102: $i] :
      ( ( ! [SY536: $i,SY537: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV102 @ SY536 ) @ SY537 )
            | ( in @ SV102 @ SY537 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1633]) ).

thf(1774,plain,
    ! [SV102: $i] :
      ( ( ! [SY538: $i,SY539: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV102 @ SY538 ) @ SY539 )
            | ( in @ SY538 @ SY539 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1634]) ).

thf(1775,plain,
    ! [SV103: $i,SV363: $i] :
      ( ( ( ! [SY861: $i] :
              ( ~ ( relation @ SY861 )
              | ~ ( ~ ( ~ ( in @ ( sK59_D @ SY861 @ SV363 @ SV103 ) @ SV363 )
                      | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY861 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SY861 @ SV363 @ SV103 ) ) @ SV103 )
                      | ~ ( in @ ( ordered_pair @ ( sK59_D @ SY861 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SY861 @ SV363 @ SV103 ) ) @ SY861 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK59_D @ SY861 @ SV363 @ SV103 ) @ SV363 )
                            | ( in @ ( ordered_pair @ ( sK59_D @ SY861 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SY861 @ SV363 @ SV103 ) ) @ SY861 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SY861 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SY861 @ SV363 @ SV103 ) ) @ SV103 )
                            | ( in @ ( ordered_pair @ ( sK59_D @ SY861 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SY861 @ SV363 @ SV103 ) ) @ SY861 ) ) ) )
              | ( SY861
                = ( relation_dom_restriction @ SV103 @ SV363 ) ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1635]) ).

thf(1776,plain,
    ! [SV364: $i,SV103: $i] :
      ( ( ( ! [SY862: $i] :
              ( ~ ( relation @ SY862 )
              | ( SY862
               != ( relation_dom_restriction @ SV103 @ SV364 ) )
              | ~ ( ~ ! [SY863: $i,SY864: $i] :
                        ( ~ ( in @ SY863 @ SV364 )
                        | ~ ( in @ ( ordered_pair @ SY863 @ SY864 ) @ SV103 )
                        | ( in @ ( ordered_pair @ SY863 @ SY864 ) @ SY862 ) )
                  | ~ ~ ( ~ ! [SY865: $i] :
                              ( ! [SX4: $i] :
                                  ~ ( in @ ( ordered_pair @ SY865 @ SX4 ) @ SY862 )
                              | ( in @ SY865 @ SV364 ) )
                        | ~ ! [SY548: $i,SY549: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SY862 )
                              | ( in @ ( ordered_pair @ SY548 @ SY549 ) @ SV103 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1636]) ).

thf(1777,plain,
    ! [SV233: $i] :
      ( ( ( ( ( relation_dom @ SV233 )
           != empty_set ) )
        = $true )
      | ( ( ( relation_rng @ SV233 )
          = empty_set )
        = $true )
      | ( ( relation @ SV233 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1637]) ).

thf(1778,plain,
    ! [SV234: $i] :
      ( ( ( ( ( relation_rng @ SV234 )
           != empty_set ) )
        = $true )
      | ( ( ( relation_dom @ SV234 )
          = empty_set )
        = $true )
      | ( ( relation @ SV234 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1638]) ).

thf(1779,plain,
    ! [SV191: $i,SV104: $i] :
      ( ( ( ! [SY687: $i] :
              ( ~ ( element @ SY687 @ ( powerset @ SV104 ) )
              | ~ ( disjoint @ SV191 @ SY687 )
              | ( subset @ SV191 @ ( subset_complement @ SV104 @ SY687 ) ) ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1639]) ).

thf(1780,plain,
    ! [SV191: $i,SV104: $i] :
      ( ( ( ! [SY688: $i] :
              ( ~ ( element @ SY688 @ ( powerset @ SV104 ) )
              | ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SY688 ) )
              | ( disjoint @ SV191 @ SY688 ) ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1640]) ).

thf(1781,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( relation @ SV365 )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) ) )
          | ( SV105 = SV365 ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1641]) ).

thf(1782,plain,
    ! [SV105: $i,SV366: $i] :
      ( ( ( ~ ( relation @ SV366 )
          | ( SV105 != SV366 )
          | ~ ( ~ ! [SY869: $i,SY870: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
                    | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) )
              | ~ ! [SY871: $i,SY872: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
                    | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1642]) ).

thf(1783,plain,
    ! [SV192: $i,SV342: $i,SV106: $i,SV367: $i] :
      ( ( ~ ( relation @ SV367 )
        | ~ ( in @ SV106 @ SV342 )
        | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV367 )
        | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SV367 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1643]) ).

thf(1784,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ! [SY691: $i,SY692: $i] :
              ( ~ ( relation @ SY692 )
              | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY691 ) @ SY692 ) )
              | ( in @ SV106 @ SY691 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1644]) ).

thf(1785,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ~ ! [SY693: $i,SY694: $i] :
              ( ~ ( relation @ SY694 )
              | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY693 ) @ SY694 ) )
              | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY694 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1644]) ).

thf(1786,plain,
    ! [SV293: $i,SV237: $i] :
      ( ( ( ( set_difference @ SV237 @ SV293 )
          = empty_set )
        = $false )
      | ( ( subset @ SV237 @ SV293 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1647]) ).

thf(1787,plain,
    ! [SV294: $i,SV238: $i] :
      ( ( ( subset @ SV238 @ SV294 )
        = $false )
      | ( ( ( set_difference @ SV238 @ SV294 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1648]) ).

thf(1788,plain,
    ! [SV107: $i,SV239: $i] :
      ( ( ( ~ ! [SY730: $i] :
                ( ~ ( relation @ SY730 )
                | ~ ( ~ ( ! [SY731: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ SY731 ) @ SV107 )
                            | ~ ( in @ ( ordered_pair @ SY731 @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) ) @ SV107 )
                            | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) ) )
                | ( SY730
                  = ( relation_composition @ SV107 @ SV239 ) ) )
          | ~ ! [SY732: $i] :
                ( ~ ( relation @ SY732 )
                | ( SY732
                 != ( relation_composition @ SV107 @ SV239 ) )
                | ~ ( ~ ! [SY733: $i,SY734: $i] :
                          ( ! [SY735: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY733 @ SY735 ) @ SV107 )
                              | ~ ( in @ ( ordered_pair @ SY735 @ SY734 ) @ SV239 ) )
                          | ( in @ ( ordered_pair @ SY733 @ SY734 ) @ SY732 ) )
                    | ~ ! [SY736: $i,SY737: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY736 @ SY737 ) @ SY732 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY736 @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) ) @ SV107 )
                              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) @ SY737 ) @ SV239 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1649]) ).

thf(1789,plain,
    ! [SV368: $i,SV193: $i,SV343: $i,SV108: $i] :
      ( ( ~ ( in @ SV108 @ SV343 )
        | ~ ( in @ SV193 @ SV368 )
        | ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV343 @ SV368 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1650]) ).

thf(1790,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ! [SY697: $i] :
              ( ! [SY698: $i] :
                  ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY697 @ SY698 ) )
              | ( in @ SV108 @ SY697 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1651]) ).

thf(1791,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ~ ! [SY699: $i,SY700: $i] :
              ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY699 @ SY700 ) )
              | ( in @ SV193 @ SY700 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1651]) ).

thf(1792,plain,
    ! [SV295: $i,SV109: $i,SV344: $i] :
      ( ( ( ~ ( relation @ SV344 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV109 @ SV295 ) @ SV344 )
          | ( in @ SV109 @ ( relation_dom @ SV344 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1652]) ).

thf(1793,plain,
    ! [SV296: $i,SV109: $i,SV345: $i] :
      ( ( ( ~ ( relation @ SV345 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV109 @ SV296 ) @ SV345 )
          | ( in @ SV296 @ ( relation_rng @ SV345 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1653]) ).

thf(1794,plain,
    ! [SV298: $i,SV241: $i,SV369: $i] :
      ( ( ( ~ ( in @ SV369 @ ( set_intersection2 @ SV241 @ SV298 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV241 @ SV298 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1655]) ).

thf(1795,plain,
    ! [SV299: $i,SV242: $i] :
      ( ( ( ( set_difference @ SV242 @ SV299 )
          = SV242 )
        = $false )
      | ( ( disjoint @ SV242 @ SV299 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1656]) ).

thf(1796,plain,
    ! [SV300: $i,SV243: $i] :
      ( ( ( disjoint @ SV243 @ SV300 )
        = $false )
      | ( ( ( set_difference @ SV243 @ SV300 )
          = SV243 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1657]) ).

thf(1797,plain,
    ! [SV110: $i,SV370: $i] :
      ( ( ( ~ ( relation @ SV370 )
          | ~ ( subset @ SV110 @ SV370 )
          | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SV370 ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1658]) ).

thf(1798,plain,
    ! [SV110: $i,SV371: $i] :
      ( ( ( ~ ( relation @ SV371 )
          | ~ ( subset @ SV110 @ SV371 )
          | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SV371 ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1659]) ).

thf(1799,plain,
    ! [SV244: $i,SV301: $i] :
      ( ( ( ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV244 )
          | ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV301 ) )
        = $false )
      | ( ( disjoint @ SV244 @ SV301 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1660]) ).

thf(1800,plain,
    ! [SV302: $i,SV245: $i,SV372: $i] :
      ( ( ( ~ ( in @ SV372 @ SV245 )
          | ~ ( in @ SV372 @ SV302 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV245 @ SV302 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1661]) ).

thf(1801,plain,
    ! [SV303: $i,SV246: $i] :
      ( ( ( element @ SV246 @ ( powerset @ SV303 ) )
        = $false )
      | ( ( subset @ SV246 @ SV303 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1662]) ).

thf(1802,plain,
    ! [SV304: $i,SV247: $i] :
      ( ( ( subset @ SV247 @ SV304 )
        = $false )
      | ( ( element @ SV247 @ ( powerset @ SV304 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1663]) ).

thf(1803,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                        | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
                    | ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                        | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
              | ~ ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                  | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
                  | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1664]) ).

thf(1804,plain,
    ! [SV306: $i,SV111: $i,SV347: $i] :
      ( ( ( ( SV347
           != ( set_union2 @ SV111 @ SV306 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY839: $i] :
                    ( ~ ( in @ SY839 @ SV347 )
                    | ( in @ SY839 @ SV111 )
                    | ( in @ SY839 @ SV306 ) )
              | ~ ~ ( ~ ! [SY840: $i] :
                          ( ~ ( in @ SY840 @ SV111 )
                          | ( in @ SY840 @ SV347 ) )
                    | ~ ! [SY841: $i] :
                          ( ~ ( in @ SY841 @ SV306 )
                          | ( in @ SY841 @ SV347 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1665]) ).

thf(1805,plain,
    ! [SV307: $i,SV248: $i] :
      ( ( ( in @ SV248 @ SV307 )
        = $false )
      | ( ( subset @ ( singleton @ SV248 ) @ SV307 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1666]) ).

thf(1806,plain,
    ! [SV308: $i,SV249: $i] :
      ( ( ( subset @ ( singleton @ SV249 ) @ SV308 )
        = $false )
      | ( ( in @ SV249 @ SV308 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1667]) ).

thf(1807,plain,
    ! [SV112: $i,SV309: $i] :
      ( ( ( ~ ( subset @ SV309 @ ( sK41_B @ SV112 ) ) )
        = $true )
      | ( ( are_equipotent @ SV309 @ ( sK41_B @ SV112 ) )
        = $true )
      | ( ( in @ SV309 @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1668]) ).

thf(1808,plain,
    ! [SV112: $i] :
      ( ( ! [SY596: $i] :
            ( ~ ( in @ SY596 @ ( sK41_B @ SV112 ) )
            | ( in @ ( powerset @ SY596 ) @ ( sK41_B @ SV112 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1669]) ).

thf(1809,plain,
    ! [SV112: $i] :
      ( ( ~ ( ~ ! [SY597: $i,SY598: $i] :
                  ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
                  | ~ ( subset @ SY598 @ SY597 )
                  | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
            | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1670]) ).

thf(1810,plain,
    ! [SV373: $i,SV194: $i,SV348: $i,SV113: $i] :
      ( ( ~ ( in @ SV113 @ SV348 )
        | ~ ( in @ SV194 @ SV373 )
        | ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV348 @ SV373 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1671]) ).

thf(1811,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ! [SY703: $i] :
              ( ! [SY704: $i] :
                  ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY703 @ SY704 ) )
              | ( in @ SV113 @ SY703 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1672]) ).

thf(1812,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ~ ! [SY705: $i,SY706: $i] :
              ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY705 @ SY706 ) )
              | ( in @ SV194 @ SY706 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1672]) ).

thf(1813,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( ~ ( relation @ SV374 )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV114 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 ) )
          | ( subset @ SV114 @ SV374 ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1673]) ).

thf(1814,plain,
    ! [SV114: $i,SV375: $i] :
      ( ( ( ~ ( relation @ SV375 )
          | ~ ( subset @ SV114 @ SV375 )
          | ! [SY873: $i,SY874: $i] :
              ( ~ ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV114 )
              | ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV375 ) ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1674]) ).

thf(1815,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( relation @ SV376 )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) ) )
          | ( SV376
            = ( relation_inverse @ SV115 ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1675]) ).

thf(1816,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( ~ ( relation @ SV377 )
          | ( SV377
           != ( relation_inverse @ SV115 ) )
          | ~ ( ~ ! [SY875: $i,SY876: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
                    | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) )
              | ~ ! [SY877: $i,SY878: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
                    | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1676]) ).

thf(1817,plain,
    ! [SV310: $i,SV250: $i] :
      ( ( ( ( set_difference @ SV250 @ ( singleton @ SV310 ) )
          = SV250 )
        = $false )
      | ( ( ~ ( in @ SV310 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1677]) ).

thf(1818,plain,
    ! [SV312: $i,SV116: $i,SV349: $i] :
      ( ( ( ~ ( relation @ SV349 ) )
        = $true )
      | ( ( ~ ( in @ SV116 @ SV312 )
          | ~ ( in @ SV116 @ ( relation_dom @ SV349 ) )
          | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV349 @ SV312 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1679]) ).

thf(1819,plain,
    ! [SV116: $i] :
      ( ( ! [SY618: $i,SY619: $i] :
            ( ~ ( relation @ SY619 )
            | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY619 @ SY618 ) ) )
            | ( in @ SV116 @ SY618 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1680]) ).

thf(1820,plain,
    ! [SV116: $i] :
      ( ( ! [SY620: $i,SY621: $i] :
            ( ~ ( relation @ SY621 )
            | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY621 @ SY620 ) ) )
            | ( in @ SV116 @ ( relation_dom @ SY621 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1681]) ).

thf(1821,plain,
    ! [SV313: $i,SV117: $i,SV350: $i] :
      ( ( ( ~ ( relation @ SV350 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV117 @ SV313 ) @ SV350 )
          | ( in @ SV117 @ ( relation_field @ SV350 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1682]) ).

thf(1822,plain,
    ! [SV314: $i,SV117: $i,SV351: $i] :
      ( ( ( ~ ( relation @ SV351 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV117 @ SV314 ) @ SV351 )
          | ( in @ SV314 @ ( relation_field @ SV351 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1683]) ).

thf(1823,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( relation @ SV315 )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                   != ( sK36_SY405 @ SV315 @ SV252 ) )
                  | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                  | ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
              | ~ ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                          = ( sK36_SY405 @ SV315 @ SV252 ) )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
                    | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) ) )
          | ( SV315
            = ( identity_relation @ SV252 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1684]) ).

thf(1824,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( relation @ SV316 )
        = $false )
      | ( ( ( SV316
           != ( identity_relation @ SV253 ) )
          | ~ ( ~ ! [SY806: $i,SY807: $i] :
                    ( ( SY806 != SY807 )
                    | ~ ( in @ SY806 @ SV253 )
                    | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) )
              | ~ ~ ( ~ ! [SY808: $i,SY809: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                          | ( SY808 = SY809 ) )
                    | ~ ! [SY810: $i] :
                          ( ! [SY811: $i] :
                              ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                          | ( in @ SY810 @ SV253 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1685]) ).

thf(1825,plain,
    ! [SV317: $i,SV254: $i] :
      ( ( ( in @ SV254 @ SV317 )
        = $false )
      | ( ( subset @ ( singleton @ SV254 ) @ SV317 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1686]) ).

thf(1826,plain,
    ! [SV318: $i,SV255: $i] :
      ( ( ( subset @ ( singleton @ SV255 ) @ SV318 )
        = $false )
      | ( ( in @ SV255 @ SV318 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1687]) ).

thf(1827,plain,
    ! [SV352: $i,SV319: $i,SV118: $i] :
      ( ( ( ~ ( ~ ( ! [SY843: $i,SY844: $i] :
                      ( ~ ( in @ SY843 @ SV118 )
                      | ~ ( in @ SY844 @ SV319 )
                      | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                       != ( ordered_pair @ SY843 @ SY844 ) ) )
                  | ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
              | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                            | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
                      | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                       != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) )
                  | ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) ) ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1688]) ).

thf(1828,plain,
    ! [SV320: $i,SV118: $i,SV353: $i] :
      ( ( ( ( SV353
           != ( cartesian_product2 @ SV118 @ SV320 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY845: $i] :
                    ( ! [SY817: $i,SY818: $i] :
                        ( ~ ( in @ SY817 @ SV118 )
                        | ~ ( in @ SY818 @ SV320 )
                        | ( SY845
                         != ( ordered_pair @ SY817 @ SY818 ) ) )
                    | ( in @ SY845 @ SV353 ) )
              | ~ ! [SY848: $i] :
                    ( ~ ( in @ SY848 @ SV353 )
                    | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                              | ~ ( in @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
                        | ( SY848
                         != ( ordered_pair @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1689]) ).

thf(1829,plain,
    ! [SV321: $i,SV256: $i] :
      ( ( ( ( set_intersection2 @ SV256 @ SV321 )
          = empty_set )
        = $false )
      | ( ( disjoint @ SV256 @ SV321 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1690]) ).

thf(1830,plain,
    ! [SV322: $i,SV257: $i] :
      ( ( ( disjoint @ SV257 @ SV322 )
        = $false )
      | ( ( ( set_intersection2 @ SV257 @ SV322 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1691]) ).

thf(1831,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                        | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                         != SV119 ) )
                    | ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                        | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                         != SV323 ) ) )
              | ~ ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                  | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                    = SV119 )
                  | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                    = SV323 ) ) ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1692]) ).

thf(1832,plain,
    ! [SV324: $i,SV119: $i,SV355: $i] :
      ( ( ( ( SV355
           != ( unordered_pair @ SV119 @ SV324 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY849: $i] :
                    ( ~ ( in @ SY849 @ SV355 )
                    | ( SY849 = SV119 )
                    | ( SY849 = SV324 ) )
              | ~ ~ ( ~ ! [SY850: $i] :
                          ( ( SY850 != SV119 )
                          | ( in @ SY850 @ SV355 ) )
                    | ~ ! [SY851: $i] :
                          ( ( SY851 != SV324 )
                          | ( in @ SY851 @ SV355 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1693]) ).

thf(1833,plain,
    ! [SV258: $i] :
      ( ( ( ~ ! [SY764: $i,SY765: $i] :
                ( ( sK58_B @ SV258 )
               != ( ordered_pair @ SY764 @ SY765 ) ) )
        = $false )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1694]) ).

thf(1834,plain,
    ! [SV258: $i] :
      ( ( ( ~ ( in @ ( sK58_B @ SV258 ) @ SV258 ) )
        = $false )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1694]) ).

thf(1835,plain,
    ! [SV259: $i,SV378: $i] :
      ( ( ( ( SV378
            = ( ordered_pair @ ( sK56_C @ SV378 @ SV259 ) @ ( sK57_SY422 @ SV378 @ SV259 ) ) )
          | ~ ( in @ SV378 @ SV259 ) )
        = $true )
      | ( ( relation @ SV259 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1695]) ).

thf(1836,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 ) )
        = $true )
      | ( ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) )
        = $true )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1696]) ).

thf(1837,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
        = $true )
      | ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 )
        = $true )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1697]) ).

thf(1838,plain,
    ! [SV379: $i] :
      ( ( ( empty @ SV379 )
        | ! [SY879: $i] :
            ( ~ ( element @ SY879 @ SV379 )
            | ( in @ SY879 @ SV379 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1698]) ).

thf(1839,plain,
    ! [SV380: $i] :
      ( ( ( empty @ SV380 )
        | ! [SY880: $i] :
            ( ~ ( in @ SY880 @ SV380 )
            | ( element @ SY880 @ SV380 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1699]) ).

thf(1840,plain,
    ! [SV381: $i] :
      ( ( ~ ( empty @ SV381 )
        | ! [SY881: $i] :
            ( ~ ( element @ SY881 @ SV381 )
            | ( empty @ SY881 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1700]) ).

thf(1841,plain,
    ! [SV382: $i] :
      ( ( ~ ( empty @ SV382 )
        | ! [SY882: $i] :
            ( ~ ( empty @ SY882 )
            | ( element @ SY882 @ SV382 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1701]) ).

thf(1842,plain,
    ! [SV325: $i,SV260: $i] :
      ( ( ( subset @ SV260 @ ( singleton @ SV325 ) )
        = $false )
      | ( ( ( SV260 = empty_set )
          | ( SV260
            = ( singleton @ SV325 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1702]) ).

thf(1843,plain,
    ! [SV383: $i] :
      ( ( ( SV383 != empty_set )
        | ! [SY883: $i] : ( subset @ SV383 @ ( singleton @ SY883 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1703]) ).

thf(1844,plain,
    ! [SV384: $i] :
      ( ( ! [SY884: $i] :
            ( ( SV384
             != ( singleton @ SY884 ) )
            | ( subset @ SV384 @ ( singleton @ SY884 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1704]) ).

thf(1845,plain,
    ! [SV121: $i,SV326: $i] :
      ( ( ( ~ ( subset @ SV326 @ ( sK43_B @ SV121 ) ) )
        = $true )
      | ( ( are_equipotent @ SV326 @ ( sK43_B @ SV121 ) )
        = $true )
      | ( ( in @ SV326 @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1705]) ).

thf(1846,plain,
    ! [SV121: $i] :
      ( ( ! [SY645: $i] :
            ( ~ ( ~ ! [SY646: $i] :
                      ( ~ ( subset @ SY646 @ SY645 )
                      | ( in @ SY646 @ ( sK44_SY413 @ SY645 @ SV121 ) ) )
                | ~ ( in @ ( sK44_SY413 @ SY645 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
            | ~ ( in @ SY645 @ ( sK43_B @ SV121 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1706]) ).

thf(1847,plain,
    ! [SV121: $i] :
      ( ( ~ ( ~ ! [SY647: $i,SY648: $i] :
                  ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
                  | ~ ( subset @ SY648 @ SY647 )
                  | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
            | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1707]) ).

thf(1848,plain,
    ! [SV385: $i] :
      ( ( ( SV385 = empty_set )
        | ! [SY885: $i] :
            ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SY885 @ SV385 ) @ SV385 )
                        | ~ ~ ( in @ ( sK33_C @ SY885 @ SV385 ) @ ( sK34_SY403 @ SY885 @ SV385 ) ) )
                    | ~ ( in @ ( sK33_C @ SY885 @ SV385 ) @ SY885 ) )
                | ~ ( ! [SY886: $i] :
                        ( ~ ( in @ SY886 @ SV385 )
                        | ( in @ ( sK33_C @ SY885 @ SV385 ) @ SY886 ) )
                    | ( in @ ( sK33_C @ SY885 @ SV385 ) @ SY885 ) ) )
            | ( SY885
              = ( set_meet @ SV385 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1709]) ).

thf(1849,plain,
    ! [SV386: $i] :
      ( ( ( SV386 = empty_set )
        | ! [SY887: $i] :
            ( ( SY887
             != ( set_meet @ SV386 ) )
            | ~ ( ~ ! [SY888: $i] :
                      ( ~ ( ~ ( in @ ( sK32_D @ SY888 @ SY887 @ SV386 ) @ SV386 )
                          | ~ ~ ( in @ SY888 @ ( sK32_D @ SY888 @ SY887 @ SV386 ) ) )
                      | ( in @ SY888 @ SY887 ) )
                | ~ ! [SY889: $i] :
                      ( ~ ( in @ SY889 @ SY887 )
                      | ! [SY890: $i] :
                          ( ~ ( in @ SY890 @ SV386 )
                          | ( in @ SY889 @ SY890 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1710]) ).

thf(1850,plain,
    ! [SV387: $i] :
      ( ( ( SV387 != empty_set )
        | ! [SY891: $i] :
            ( ( SY891
             != ( set_meet @ SV387 ) )
            | ( SY891 = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1711]) ).

thf(1851,plain,
    ! [SV388: $i] :
      ( ( ( SV388 != empty_set )
        | ! [SY892: $i] :
            ( ( SY892 != empty_set )
            | ( SY892
              = ( set_meet @ SV388 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1712]) ).

thf(1852,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ( ~ ( subset @ SV261 @ SV327 ) )
        = $true )
      | ( ( ~ ( subset @ SV327 @ SV261 ) )
        = $true )
      | ( ( SV261 = SV327 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1713]) ).

thf(1853,plain,
    ! [SV389: $i] :
      ( ( ! [SY893: $i] :
            ( ( SV389 != SY893 )
            | ( subset @ SV389 @ SY893 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1714]) ).

thf(1854,plain,
    ! [SV390: $i] :
      ( ( ! [SY894: $i] :
            ( ( SV390 != SY894 )
            | ( subset @ SY894 @ SV390 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1715]) ).

thf(1855,plain,
    ! [SV328: $i,SV262: $i] :
      ( ( ( ~ ( empty @ SV262 ) )
        = $true )
      | ( ( ~ ( relation @ SV328 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV328 @ SV262 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1716]) ).

thf(1856,plain,
    ! [SV329: $i,SV263: $i] :
      ( ( ( ~ ( empty @ SV263 ) )
        = $true )
      | ( ( ~ ( relation @ SV329 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV329 @ SV263 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1717]) ).

thf(1857,plain,
    ! [SV124: $i,SV196: $i] :
      ( ( ( in @ ( sK42_C @ SV196 @ SV124 ) @ SV196 )
        = $false )
      | ( ( element @ SV124 @ ( powerset @ SV196 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1719]) ).

thf(1858,plain,
    ! [SV330: $i,SV266: $i] :
      ( ( ( SV266 = SV330 )
        = $true )
      | ( ( ~ ( subset @ SV266 @ SV330 ) )
        = $true )
      | ( ( proper_subset @ SV266 @ SV330 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1720]) ).

thf(1859,plain,
    ! [SV391: $i] :
      ( ( ! [SY895: $i] :
            ( ~ ( proper_subset @ SV391 @ SY895 )
            | ( SV391 != SY895 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1721]) ).

thf(1860,plain,
    ! [SV392: $i] :
      ( ( ! [SY896: $i] :
            ( ~ ( proper_subset @ SV392 @ SY896 )
            | ( subset @ SV392 @ SY896 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1722]) ).

thf(1861,plain,
    ! [SV331: $i,SV267: $i] :
      ( ( ( ~ ( empty @ SV267 ) )
        = $true )
      | ( ( ~ ( relation @ SV331 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV267 @ SV331 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1723]) ).

thf(1862,plain,
    ! [SV332: $i,SV268: $i] :
      ( ( ( ~ ( empty @ SV268 ) )
        = $true )
      | ( ( ~ ( relation @ SV332 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV268 @ SV332 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1724]) ).

thf(1863,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
                  | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
                  | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
              | ~ ~ ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
                        | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
                    | ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
                        | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) ) ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1725]) ).

thf(1864,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( ( SV357
           != ( set_intersection2 @ SV125 @ SV334 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY852: $i] :
                    ( ~ ( in @ SY852 @ SV125 )
                    | ~ ( in @ SY852 @ SV334 )
                    | ( in @ SY852 @ SV357 ) )
              | ~ ~ ( ~ ! [SY853: $i] :
                          ( ~ ( in @ SY853 @ SV357 )
                          | ( in @ SY853 @ SV125 ) )
                    | ~ ! [SY854: $i] :
                          ( ~ ( in @ SY854 @ SV357 )
                          | ( in @ SY854 @ SV334 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1726]) ).

thf(1865,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ~ ( ~ ( ! [SY897: $i] :
                      ~ ( in @ ( ordered_pair @ SY897 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
                  | ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SV393 @ SV126 ) @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
                  | ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) ) )
          | ( SV393
            = ( relation_rng @ SV126 ) ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1729]) ).

thf(1866,plain,
    ! [SV126: $i,SV394: $i] :
      ( ( ( ( SV394
           != ( relation_rng @ SV126 ) )
          | ~ ( ~ ! [SY898: $i] :
                    ( ! [SY661: $i] :
                        ~ ( in @ ( ordered_pair @ SY661 @ SY898 ) @ SV126 )
                    | ( in @ SY898 @ SV394 ) )
              | ~ ! [SY900: $i] :
                    ( ~ ( in @ SY900 @ SV394 )
                    | ( in @ ( ordered_pair @ ( sK47_D @ SY900 @ SV394 @ SV126 ) @ SY900 ) @ SV126 ) ) ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1730]) ).

thf(1867,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( ! [SY830: $i] :
                  ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SY830 )
                  | ~ ( in @ SY830 @ SV271 ) )
              | ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
          | ~ ( ~ ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
                  | ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) )
              | ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) ) )
        = $false )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1731]) ).

thf(1868,plain,
    ! [SV272: $i,SV336: $i] :
      ( ( ( SV336
          = ( union @ SV272 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY831: $i] :
                    ( ! [SY778: $i] :
                        ( ~ ( in @ SY831 @ SY778 )
                        | ~ ( in @ SY778 @ SV272 ) )
                    | ( in @ SY831 @ SV336 ) )
              | ~ ! [SY833: $i] :
                    ( ~ ( in @ SY833 @ SV336 )
                    | ~ ( ~ ( in @ SY833 @ ( sK16_D @ SY833 @ SV336 @ SV272 ) )
                        | ~ ( in @ ( sK16_D @ SY833 @ SV336 @ SV272 ) @ SV272 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1732]) ).

thf(1869,plain,
    ! [SV337: $i,SV275: $i] :
      ( ( ( subset @ SV275 @ ( singleton @ SV337 ) )
        = $false )
      | ( ( ( SV275 = empty_set )
          | ( SV275
            = ( singleton @ SV337 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1735]) ).

thf(1870,plain,
    ! [SV395: $i] :
      ( ( ( SV395 != empty_set )
        | ! [SY901: $i] : ( subset @ SV395 @ ( singleton @ SY901 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1736]) ).

thf(1871,plain,
    ! [SV396: $i] :
      ( ( ! [SY902: $i] :
            ( ( SV396
             != ( singleton @ SY902 ) )
            | ( subset @ SV396 @ ( singleton @ SY902 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1737]) ).

thf(1872,plain,
    ! [SV358: $i,SV197: $i,SV127: $i] :
      ( ( ( ! [SY855: $i] :
              ( ( ordered_pair @ SV127 @ SV197 )
             != ( ordered_pair @ SV358 @ SY855 ) ) )
        = $true )
      | ( ( SV127 = SV358 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1738]) ).

thf(1873,plain,
    ! [SV397: $i,SV359: $i,SV197: $i,SV127: $i] :
      ( ( ( ( ordered_pair @ SV127 @ SV197 )
         != ( ordered_pair @ SV359 @ SV397 ) )
        | ( SV197 = SV397 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1739]) ).

thf(1874,plain,
    ! [SV129: $i,SV2: $i,SV213: $i,SV198: $i] :
      ( ( ( subset @ SV198 @ SV213 )
        = $false )
      | ( ( subset @ SV2 @ SV129 )
        = $false )
      | ( ( subset @ ( cartesian_product2 @ SV2 @ SV198 ) @ ( cartesian_product2 @ SV129 @ SV213 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1740]) ).

thf(1875,plain,
    ! [SV216: $i,SV17: $i] :
      ( ( ( subset @ ( relation_rng @ SV17 ) @ ( relation_dom @ SV216 ) )
        = $false )
      | ( ( ( relation_dom @ ( relation_composition @ SV17 @ SV216 ) )
          = ( relation_dom @ SV17 ) )
        = $true )
      | ( ( relation @ SV216 )
        = $false )
      | ( ( relation @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1743]) ).

thf(1876,plain,
    ! [SV217: $i,SV18: $i] :
      ( ( ( subset @ ( relation_dom @ SV18 ) @ ( relation_rng @ SV217 ) )
        = $false )
      | ( ( ( relation_rng @ ( relation_composition @ SV217 @ SV18 ) )
          = ( relation_rng @ SV18 ) )
        = $true )
      | ( ( relation @ SV217 )
        = $false )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1744]) ).

thf(1877,plain,
    ! [SV204: $i,SV51: $i,SV338: $i] :
      ( ( ( element @ SV338 @ SV51 )
        = $false )
      | ( ( ( in @ SV338 @ SV204 )
          | ( in @ SV338 @ ( subset_complement @ SV51 @ SV204 ) ) )
        = $true )
      | ( ( element @ SV204 @ ( powerset @ SV51 ) )
        = $false )
      | ( ( SV51 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1749]) ).

thf(1878,plain,
    ! [SV52: $i,SV205: $i,SV162: $i] :
      ( ( ( in @ SV162 @ SV205 )
        = $false )
      | ( ( in @ SV162 @ ( subset_complement @ SV52 @ SV205 ) )
        = $false )
      | ( ( element @ SV205 @ ( powerset @ SV52 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1750]) ).

thf(1879,plain,
    ! [SV95: $i,SV188: $i,SV212: $i] :
      ( ( ( empty @ SV212 )
        = $false )
      | ( ( element @ SV188 @ ( powerset @ SV212 ) )
        = $false )
      | ( ( in @ SV95 @ SV188 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1754]) ).

thf(1880,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
              | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
              | ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
          | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
                    | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
                | ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
                    | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) ) )
        = $false )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1755]) ).

thf(1881,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY834: $i] :
                    ( ~ ( in @ SY834 @ SV99 )
                    | ( in @ SY834 @ SV281 )
                    | ( in @ SY834 @ SV340 ) )
              | ~ ~ ( ~ ! [SY835: $i] :
                          ( ~ ( in @ SY835 @ SV340 )
                          | ( in @ SY835 @ SV99 ) )
                    | ~ ! [SY836: $i] :
                          ( ~ ( in @ SY836 @ SV340 )
                          | ~ ( in @ SY836 @ SV281 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1756]) ).

thf(1882,plain,
    ! [SV221: $i] :
      ( ( ( ( relation_dom @ SV221 )
          = empty_set )
        = $false )
      | ( ( SV221 = empty_set )
        = $true )
      | ( ( relation @ SV221 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1757]) ).

thf(1883,plain,
    ! [SV222: $i] :
      ( ( ( ( relation_rng @ SV222 )
          = empty_set )
        = $false )
      | ( ( SV222 = empty_set )
        = $true )
      | ( ( relation @ SV222 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1758]) ).

thf(1884,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ( ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV223 ) )
        = $false )
      | ( ( subset @ SV223 @ SV282 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1759]) ).

thf(1885,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ( ~ ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV282 ) )
        = $false )
      | ( ( subset @ SV223 @ SV282 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1759]) ).

thf(1886,plain,
    ! [SV283: $i,SV224: $i,SV398: $i] :
      ( ( ( ~ ( in @ SV398 @ SV224 )
          | ( in @ SV398 @ SV283 ) )
        = $true )
      | ( ( subset @ SV224 @ SV283 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1760]) ).

thf(1887,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ~ ( ( ( sK31_C @ SV284 @ SV225 )
               != SV225 )
              | ~ ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) ) )
        = $false )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1761]) ).

thf(1888,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ~ ( ( ( sK31_C @ SV284 @ SV225 )
                = SV225 )
              | ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) ) )
        = $false )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1761]) ).

thf(1889,plain,
    ! [SV285: $i,SV226: $i] :
      ( ( ( ~ ! [SY787: $i] :
                ( ( SY787 != SV226 )
                | ( in @ SY787 @ SV285 ) )
          | ~ ! [SY788: $i] :
                ( ~ ( in @ SY788 @ SV285 )
                | ( SY788 = SV226 ) ) )
        = $false )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1762]) ).

thf(1890,plain,
    ! [SV228: $i,SV360: $i] :
      ( ( ( in @ SV360 @ SV228 )
        = $false )
      | ( ( SV228 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1763]) ).

thf(1891,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ~ ( ~ ( ! [SY857: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SY857 ) @ SV100 )
                  | ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ ( sK21_SY396 @ SV361 @ SV100 ) ) @ SV100 )
                  | ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) ) ) )
        = $true )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1764]) ).

thf(1892,plain,
    ! [SV100: $i,SV362: $i] :
      ( ( ( ( SV362
           != ( relation_dom @ SV100 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY858: $i] :
                    ( ! [SY528: $i] :
                        ~ ( in @ ( ordered_pair @ SY858 @ SY528 ) @ SV100 )
                    | ( in @ SY858 @ SV362 ) )
              | ~ ! [SY860: $i] :
                    ( ~ ( in @ SY860 @ SV362 )
                    | ( in @ ( ordered_pair @ SY860 @ ( sK19_D @ SY860 @ SV362 @ SV100 ) ) @ SV100 ) ) ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1765]) ).

thf(1893,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
              | ~ ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) ) )
        = $false )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1768]) ).

thf(1894,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( ~ ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
              | ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) ) )
        = $false )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1768]) ).

thf(1895,plain,
    ! [SV232: $i,SV289: $i] :
      ( ( ( ~ ! [SY789: $i] :
                ( ~ ( in @ SY789 @ SV289 )
                | ( subset @ SY789 @ SV232 ) )
          | ~ ! [SY790: $i] :
                ( ~ ( subset @ SY790 @ SV232 )
                | ( in @ SY790 @ SV289 ) ) )
        = $false )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1769]) ).

thf(1896,plain,
    ! [SV290: $i,SV399: $i,SV101: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV101 @ SV399 ) @ ( cartesian_product2 @ SV290 @ SV399 ) )
        = $true )
      | ( ( subset @ SV101 @ SV290 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1770]) ).

thf(1897,plain,
    ! [SV291: $i,SV101: $i,SV400: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV400 @ SV101 ) @ ( cartesian_product2 @ SV400 @ SV291 ) )
        = $true )
      | ( ( subset @ SV101 @ SV291 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1771]) ).

thf(1898,plain,
    ! [SV292: $i,SV341: $i,SV102: $i] :
      ( ( ( ~ ( in @ SV102 @ SV341 ) )
        = $true )
      | ( ( ~ ( in @ SV292 @ SV341 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV102 @ SV292 ) @ SV341 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1772]) ).

thf(1899,plain,
    ! [SV401: $i,SV102: $i] :
      ( ( ! [SY903: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV102 @ SV401 ) @ SY903 )
            | ( in @ SV102 @ SY903 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1773]) ).

thf(1900,plain,
    ! [SV402: $i,SV102: $i] :
      ( ( ! [SY904: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV102 @ SV402 ) @ SY904 )
            | ( in @ SV402 @ SY904 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1774]) ).

thf(1901,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( relation @ SV403 )
          | ~ ( ~ ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
              | ~ ~ ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) ) )
          | ( SV403
            = ( relation_dom_restriction @ SV103 @ SV363 ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1775]) ).

thf(1902,plain,
    ! [SV364: $i,SV103: $i,SV404: $i] :
      ( ( ( ~ ( relation @ SV404 )
          | ( SV404
           != ( relation_dom_restriction @ SV103 @ SV364 ) )
          | ~ ( ~ ! [SY905: $i,SY906: $i] :
                    ( ~ ( in @ SY905 @ SV364 )
                    | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
                    | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) )
              | ~ ~ ( ~ ! [SY907: $i] :
                          ( ! [SY908: $i] :
                              ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                          | ( in @ SY907 @ SV364 ) )
                    | ~ ! [SY909: $i,SY910: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                          | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1776]) ).

thf(1903,plain,
    ! [SV233: $i] :
      ( ( ( ( relation_dom @ SV233 )
          = empty_set )
        = $false )
      | ( ( ( relation_rng @ SV233 )
          = empty_set )
        = $true )
      | ( ( relation @ SV233 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1777]) ).

thf(1904,plain,
    ! [SV234: $i] :
      ( ( ( ( relation_rng @ SV234 )
          = empty_set )
        = $false )
      | ( ( ( relation_dom @ SV234 )
          = empty_set )
        = $true )
      | ( ( relation @ SV234 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1778]) ).

thf(1905,plain,
    ! [SV191: $i,SV104: $i,SV405: $i] :
      ( ( ( ~ ( element @ SV405 @ ( powerset @ SV104 ) )
          | ~ ( disjoint @ SV191 @ SV405 )
          | ( subset @ SV191 @ ( subset_complement @ SV104 @ SV405 ) ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1779]) ).

thf(1906,plain,
    ! [SV191: $i,SV104: $i,SV406: $i] :
      ( ( ( ~ ( element @ SV406 @ ( powerset @ SV104 ) )
          | ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SV406 ) )
          | ( disjoint @ SV191 @ SV406 ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1780]) ).

thf(1907,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( relation @ SV365 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) ) )
          | ( SV105 = SV365 ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1781]) ).

thf(1908,plain,
    ! [SV105: $i,SV366: $i] :
      ( ( ( ~ ( relation @ SV366 ) )
        = $true )
      | ( ( ( SV105 != SV366 )
          | ~ ( ~ ! [SY869: $i,SY870: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
                    | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) )
              | ~ ! [SY871: $i,SY872: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
                    | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1782]) ).

thf(1909,plain,
    ! [SV192: $i,SV342: $i,SV106: $i,SV367: $i] :
      ( ( ( ~ ( relation @ SV367 ) )
        = $true )
      | ( ( ~ ( in @ SV106 @ SV342 )
          | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV367 )
          | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SV367 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1783]) ).

thf(1910,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ! [SY691: $i,SY692: $i] :
            ( ~ ( relation @ SY692 )
            | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY691 ) @ SY692 ) )
            | ( in @ SV106 @ SY691 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1784]) ).

thf(1911,plain,
    ! [SV192: $i,SV106: $i] :
      ( ( ! [SY693: $i,SY694: $i] :
            ( ~ ( relation @ SY694 )
            | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SY693 ) @ SY694 ) )
            | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY694 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1785]) ).

thf(1912,plain,
    ! [SV107: $i,SV239: $i] :
      ( ( ( ~ ! [SY730: $i] :
                ( ~ ( relation @ SY730 )
                | ~ ( ~ ( ! [SY731: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ SY731 ) @ SV107 )
                            | ~ ( in @ ( ordered_pair @ SY731 @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) ) @ SV107 )
                            | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) ) )
                | ( SY730
                  = ( relation_composition @ SV107 @ SV239 ) ) ) )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1788]) ).

thf(1913,plain,
    ! [SV239: $i,SV107: $i] :
      ( ( ( ~ ! [SY732: $i] :
                ( ~ ( relation @ SY732 )
                | ( SY732
                 != ( relation_composition @ SV107 @ SV239 ) )
                | ~ ( ~ ! [SY733: $i,SY734: $i] :
                          ( ! [SY735: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY733 @ SY735 ) @ SV107 )
                              | ~ ( in @ ( ordered_pair @ SY735 @ SY734 ) @ SV239 ) )
                          | ( in @ ( ordered_pair @ SY733 @ SY734 ) @ SY732 ) )
                    | ~ ! [SY736: $i,SY737: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY736 @ SY737 ) @ SY732 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY736 @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) ) @ SV107 )
                              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) @ SY737 ) @ SV239 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1788]) ).

thf(1914,plain,
    ! [SV368: $i,SV193: $i,SV343: $i,SV108: $i] :
      ( ( ( ~ ( in @ SV108 @ SV343 )
          | ~ ( in @ SV193 @ SV368 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV343 @ SV368 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1789]) ).

thf(1915,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ! [SY697: $i] :
            ( ! [SY698: $i] :
                ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY697 @ SY698 ) )
            | ( in @ SV108 @ SY697 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1790]) ).

thf(1916,plain,
    ! [SV193: $i,SV108: $i] :
      ( ( ! [SY699: $i,SY700: $i] :
            ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SY699 @ SY700 ) )
            | ( in @ SV193 @ SY700 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1791]) ).

thf(1917,plain,
    ! [SV295: $i,SV109: $i,SV344: $i] :
      ( ( ( relation @ SV344 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV109 @ SV295 ) @ SV344 )
          | ( in @ SV109 @ ( relation_dom @ SV344 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1792]) ).

thf(1918,plain,
    ! [SV296: $i,SV109: $i,SV345: $i] :
      ( ( ( relation @ SV345 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV109 @ SV296 ) @ SV345 )
          | ( in @ SV296 @ ( relation_rng @ SV345 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1793]) ).

thf(1919,plain,
    ! [SV298: $i,SV241: $i,SV369: $i] :
      ( ( ( in @ SV369 @ ( set_intersection2 @ SV241 @ SV298 ) )
        = $false )
      | ( ( ~ ( disjoint @ SV241 @ SV298 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1794]) ).

thf(1920,plain,
    ! [SV110: $i,SV370: $i] :
      ( ( ( ~ ( relation @ SV370 ) )
        = $true )
      | ( ( ~ ( subset @ SV110 @ SV370 )
          | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SV370 ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1797]) ).

thf(1921,plain,
    ! [SV110: $i,SV371: $i] :
      ( ( ( ~ ( relation @ SV371 ) )
        = $true )
      | ( ( ~ ( subset @ SV110 @ SV371 )
          | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SV371 ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1798]) ).

thf(1922,plain,
    ! [SV244: $i,SV301: $i] :
      ( ( ( ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV244 ) )
        = $false )
      | ( ( disjoint @ SV244 @ SV301 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1799]) ).

thf(1923,plain,
    ! [SV244: $i,SV301: $i] :
      ( ( ( ~ ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV301 ) )
        = $false )
      | ( ( disjoint @ SV244 @ SV301 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1799]) ).

thf(1924,plain,
    ! [SV302: $i,SV245: $i,SV372: $i] :
      ( ( ( ~ ( in @ SV372 @ SV245 ) )
        = $true )
      | ( ( ~ ( in @ SV372 @ SV302 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV245 @ SV302 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1800]) ).

thf(1925,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                    | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
                | ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                    | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
          | ~ ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
              | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
              | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1803]) ).

thf(1926,plain,
    ! [SV306: $i,SV111: $i,SV347: $i] :
      ( ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY839: $i] :
                    ( ~ ( in @ SY839 @ SV347 )
                    | ( in @ SY839 @ SV111 )
                    | ( in @ SY839 @ SV306 ) )
              | ~ ~ ( ~ ! [SY840: $i] :
                          ( ~ ( in @ SY840 @ SV111 )
                          | ( in @ SY840 @ SV347 ) )
                    | ~ ! [SY841: $i] :
                          ( ~ ( in @ SY841 @ SV306 )
                          | ( in @ SY841 @ SV347 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1804]) ).

thf(1927,plain,
    ! [SV112: $i,SV309: $i] :
      ( ( ( subset @ SV309 @ ( sK41_B @ SV112 ) )
        = $false )
      | ( ( are_equipotent @ SV309 @ ( sK41_B @ SV112 ) )
        = $true )
      | ( ( in @ SV309 @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1807]) ).

thf(1928,plain,
    ! [SV112: $i,SV407: $i] :
      ( ( ~ ( in @ SV407 @ ( sK41_B @ SV112 ) )
        | ( in @ ( powerset @ SV407 ) @ ( sK41_B @ SV112 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1808]) ).

thf(1929,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY597: $i,SY598: $i] :
              ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
              | ~ ( subset @ SY598 @ SY597 )
              | ( in @ SY598 @ ( sK41_B @ SV112 ) ) )
        | ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1809]) ).

thf(1930,plain,
    ! [SV373: $i,SV194: $i,SV348: $i,SV113: $i] :
      ( ( ( ~ ( in @ SV113 @ SV348 )
          | ~ ( in @ SV194 @ SV373 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV348 @ SV373 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1810]) ).

thf(1931,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ! [SY703: $i] :
            ( ! [SY704: $i] :
                ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY703 @ SY704 ) )
            | ( in @ SV113 @ SY703 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1811]) ).

thf(1932,plain,
    ! [SV194: $i,SV113: $i] :
      ( ( ! [SY705: $i,SY706: $i] :
            ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SY705 @ SY706 ) )
            | ( in @ SV194 @ SY706 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1812]) ).

thf(1933,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( ~ ( relation @ SV374 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV114 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 ) )
          | ( subset @ SV114 @ SV374 ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1813]) ).

thf(1934,plain,
    ! [SV114: $i,SV375: $i] :
      ( ( ( ~ ( relation @ SV375 ) )
        = $true )
      | ( ( ~ ( subset @ SV114 @ SV375 )
          | ! [SY873: $i,SY874: $i] :
              ( ~ ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV114 )
              | ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV375 ) ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1814]) ).

thf(1935,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( relation @ SV376 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) ) )
          | ( SV376
            = ( relation_inverse @ SV115 ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1815]) ).

thf(1936,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( ~ ( relation @ SV377 ) )
        = $true )
      | ( ( ( SV377
           != ( relation_inverse @ SV115 ) )
          | ~ ( ~ ! [SY875: $i,SY876: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
                    | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) )
              | ~ ! [SY877: $i,SY878: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
                    | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1816]) ).

thf(1937,plain,
    ! [SV250: $i,SV310: $i] :
      ( ( ( in @ SV310 @ SV250 )
        = $false )
      | ( ( ( set_difference @ SV250 @ ( singleton @ SV310 ) )
          = SV250 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1817]) ).

thf(1938,plain,
    ! [SV312: $i,SV116: $i,SV349: $i] :
      ( ( ( relation @ SV349 )
        = $false )
      | ( ( ~ ( in @ SV116 @ SV312 )
          | ~ ( in @ SV116 @ ( relation_dom @ SV349 ) )
          | ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV349 @ SV312 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1818]) ).

thf(1939,plain,
    ! [SV408: $i,SV116: $i] :
      ( ( ! [SY911: $i] :
            ( ~ ( relation @ SY911 )
            | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY911 @ SV408 ) ) )
            | ( in @ SV116 @ SV408 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1819]) ).

thf(1940,plain,
    ! [SV409: $i,SV116: $i] :
      ( ( ! [SY912: $i] :
            ( ~ ( relation @ SY912 )
            | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SY912 @ SV409 ) ) )
            | ( in @ SV116 @ ( relation_dom @ SY912 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1820]) ).

thf(1941,plain,
    ! [SV313: $i,SV117: $i,SV350: $i] :
      ( ( ( relation @ SV350 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV117 @ SV313 ) @ SV350 )
          | ( in @ SV117 @ ( relation_field @ SV350 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1821]) ).

thf(1942,plain,
    ! [SV314: $i,SV117: $i,SV351: $i] :
      ( ( ( relation @ SV351 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV117 @ SV314 ) @ SV351 )
          | ( in @ SV314 @ ( relation_field @ SV351 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1822]) ).

thf(1943,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                   != ( sK36_SY405 @ SV315 @ SV252 ) )
                  | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                  | ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
              | ~ ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                          = ( sK36_SY405 @ SV315 @ SV252 ) )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
                    | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                        | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) ) ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1823]) ).

thf(1944,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ( SV316
           != ( identity_relation @ SV253 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY806: $i,SY807: $i] :
                    ( ( SY806 != SY807 )
                    | ~ ( in @ SY806 @ SV253 )
                    | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) )
              | ~ ~ ( ~ ! [SY808: $i,SY809: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                          | ( SY808 = SY809 ) )
                    | ~ ! [SY810: $i] :
                          ( ! [SY811: $i] :
                              ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                          | ( in @ SY810 @ SV253 ) ) ) ) )
        = $true )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1824]) ).

thf(1945,plain,
    ! [SV352: $i,SV319: $i,SV118: $i] :
      ( ( ( ~ ( ! [SY843: $i,SY844: $i] :
                  ( ~ ( in @ SY843 @ SV118 )
                  | ~ ( in @ SY844 @ SV319 )
                  | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                   != ( ordered_pair @ SY843 @ SY844 ) ) )
              | ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
          | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                        | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
                  | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                   != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) )
              | ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) ) )
        = $false )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1827]) ).

thf(1946,plain,
    ! [SV320: $i,SV118: $i,SV353: $i] :
      ( ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY845: $i] :
                    ( ! [SY817: $i,SY818: $i] :
                        ( ~ ( in @ SY817 @ SV118 )
                        | ~ ( in @ SY818 @ SV320 )
                        | ( SY845
                         != ( ordered_pair @ SY817 @ SY818 ) ) )
                    | ( in @ SY845 @ SV353 ) )
              | ~ ! [SY848: $i] :
                    ( ~ ( in @ SY848 @ SV353 )
                    | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                              | ~ ( in @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
                        | ( SY848
                         != ( ordered_pair @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1828]) ).

thf(1947,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                    | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                     != SV119 ) )
                | ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                    | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                     != SV323 ) ) )
          | ~ ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                = SV119 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                = SV323 ) ) )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1831]) ).

thf(1948,plain,
    ! [SV324: $i,SV119: $i,SV355: $i] :
      ( ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY849: $i] :
                    ( ~ ( in @ SY849 @ SV355 )
                    | ( SY849 = SV119 )
                    | ( SY849 = SV324 ) )
              | ~ ~ ( ~ ! [SY850: $i] :
                          ( ( SY850 != SV119 )
                          | ( in @ SY850 @ SV355 ) )
                    | ~ ! [SY851: $i] :
                          ( ( SY851 != SV324 )
                          | ( in @ SY851 @ SV355 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1832]) ).

thf(1949,plain,
    ! [SV258: $i] :
      ( ( ( ! [SY764: $i,SY765: $i] :
              ( ( sK58_B @ SV258 )
             != ( ordered_pair @ SY764 @ SY765 ) ) )
        = $true )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1833]) ).

thf(1950,plain,
    ! [SV258: $i] :
      ( ( ( in @ ( sK58_B @ SV258 ) @ SV258 )
        = $true )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1834]) ).

thf(1951,plain,
    ! [SV259: $i,SV378: $i] :
      ( ( ( SV378
          = ( ordered_pair @ ( sK56_C @ SV378 @ SV259 ) @ ( sK57_SY422 @ SV378 @ SV259 ) ) )
        = $true )
      | ( ( ~ ( in @ SV378 @ SV259 ) )
        = $true )
      | ( ( relation @ SV259 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1835]) ).

thf(1952,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
        = $false )
      | ( ( ~ ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 ) )
        = $true )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1836]) ).

thf(1953,plain,
    ! [SV379: $i] :
      ( ( ( empty @ SV379 )
        = $true )
      | ( ( ! [SY879: $i] :
              ( ~ ( element @ SY879 @ SV379 )
              | ( in @ SY879 @ SV379 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1838]) ).

thf(1954,plain,
    ! [SV380: $i] :
      ( ( ( empty @ SV380 )
        = $true )
      | ( ( ! [SY880: $i] :
              ( ~ ( in @ SY880 @ SV380 )
              | ( element @ SY880 @ SV380 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1839]) ).

thf(1955,plain,
    ! [SV381: $i] :
      ( ( ( ~ ( empty @ SV381 ) )
        = $true )
      | ( ( ! [SY881: $i] :
              ( ~ ( element @ SY881 @ SV381 )
              | ( empty @ SY881 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1840]) ).

thf(1956,plain,
    ! [SV382: $i] :
      ( ( ( ~ ( empty @ SV382 ) )
        = $true )
      | ( ( ! [SY882: $i] :
              ( ~ ( empty @ SY882 )
              | ( element @ SY882 @ SV382 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1841]) ).

thf(1957,plain,
    ! [SV325: $i,SV260: $i] :
      ( ( ( SV260 = empty_set )
        = $true )
      | ( ( SV260
          = ( singleton @ SV325 ) )
        = $true )
      | ( ( subset @ SV260 @ ( singleton @ SV325 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1842]) ).

thf(1958,plain,
    ! [SV383: $i] :
      ( ( ( ( SV383 != empty_set ) )
        = $true )
      | ( ( ! [SY883: $i] : ( subset @ SV383 @ ( singleton @ SY883 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1843]) ).

thf(1959,plain,
    ! [SV410: $i,SV384: $i] :
      ( ( ( SV384
         != ( singleton @ SV410 ) )
        | ( subset @ SV384 @ ( singleton @ SV410 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1844]) ).

thf(1960,plain,
    ! [SV121: $i,SV326: $i] :
      ( ( ( subset @ SV326 @ ( sK43_B @ SV121 ) )
        = $false )
      | ( ( are_equipotent @ SV326 @ ( sK43_B @ SV121 ) )
        = $true )
      | ( ( in @ SV326 @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1845]) ).

thf(1961,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ~ ( ~ ! [SY913: $i] :
                  ( ~ ( subset @ SY913 @ SV411 )
                  | ( in @ SY913 @ ( sK44_SY413 @ SV411 @ SV121 ) ) )
            | ~ ( in @ ( sK44_SY413 @ SV411 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
        | ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1846]) ).

thf(1962,plain,
    ! [SV121: $i] :
      ( ( ~ ! [SY647: $i,SY648: $i] :
              ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
              | ~ ( subset @ SY648 @ SY647 )
              | ( in @ SY648 @ ( sK43_B @ SV121 ) ) )
        | ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1847]) ).

thf(1963,plain,
    ! [SV385: $i] :
      ( ( ( SV385 = empty_set )
        = $true )
      | ( ( ! [SY885: $i] :
              ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SY885 @ SV385 ) @ SV385 )
                          | ~ ~ ( in @ ( sK33_C @ SY885 @ SV385 ) @ ( sK34_SY403 @ SY885 @ SV385 ) ) )
                      | ~ ( in @ ( sK33_C @ SY885 @ SV385 ) @ SY885 ) )
                  | ~ ( ! [SY886: $i] :
                          ( ~ ( in @ SY886 @ SV385 )
                          | ( in @ ( sK33_C @ SY885 @ SV385 ) @ SY886 ) )
                      | ( in @ ( sK33_C @ SY885 @ SV385 ) @ SY885 ) ) )
              | ( SY885
                = ( set_meet @ SV385 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1848]) ).

thf(1964,plain,
    ! [SV386: $i] :
      ( ( ( SV386 = empty_set )
        = $true )
      | ( ( ! [SY887: $i] :
              ( ( SY887
               != ( set_meet @ SV386 ) )
              | ~ ( ~ ! [SY888: $i] :
                        ( ~ ( ~ ( in @ ( sK32_D @ SY888 @ SY887 @ SV386 ) @ SV386 )
                            | ~ ~ ( in @ SY888 @ ( sK32_D @ SY888 @ SY887 @ SV386 ) ) )
                        | ( in @ SY888 @ SY887 ) )
                  | ~ ! [SY889: $i] :
                        ( ~ ( in @ SY889 @ SY887 )
                        | ! [SY890: $i] :
                            ( ~ ( in @ SY890 @ SV386 )
                            | ( in @ SY889 @ SY890 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1849]) ).

thf(1965,plain,
    ! [SV387: $i] :
      ( ( ( ( SV387 != empty_set ) )
        = $true )
      | ( ( ! [SY891: $i] :
              ( ( SY891
               != ( set_meet @ SV387 ) )
              | ( SY891 = empty_set ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1850]) ).

thf(1966,plain,
    ! [SV388: $i] :
      ( ( ( ( SV388 != empty_set ) )
        = $true )
      | ( ( ! [SY892: $i] :
              ( ( SY892 != empty_set )
              | ( SY892
                = ( set_meet @ SV388 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1851]) ).

thf(1967,plain,
    ! [SV327: $i,SV261: $i] :
      ( ( ( subset @ SV261 @ SV327 )
        = $false )
      | ( ( ~ ( subset @ SV327 @ SV261 ) )
        = $true )
      | ( ( SV261 = SV327 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1852]) ).

thf(1968,plain,
    ! [SV412: $i,SV389: $i] :
      ( ( ( SV389 != SV412 )
        | ( subset @ SV389 @ SV412 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1853]) ).

thf(1969,plain,
    ! [SV413: $i,SV390: $i] :
      ( ( ( SV390 != SV413 )
        | ( subset @ SV413 @ SV390 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1854]) ).

thf(1970,plain,
    ! [SV328: $i,SV262: $i] :
      ( ( ( empty @ SV262 )
        = $false )
      | ( ( ~ ( relation @ SV328 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV328 @ SV262 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1855]) ).

thf(1971,plain,
    ! [SV329: $i,SV263: $i] :
      ( ( ( empty @ SV263 )
        = $false )
      | ( ( ~ ( relation @ SV329 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV329 @ SV263 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1856]) ).

thf(1972,plain,
    ! [SV330: $i,SV266: $i] :
      ( ( ( subset @ SV266 @ SV330 )
        = $false )
      | ( ( SV266 = SV330 )
        = $true )
      | ( ( proper_subset @ SV266 @ SV330 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1858]) ).

thf(1973,plain,
    ! [SV414: $i,SV391: $i] :
      ( ( ~ ( proper_subset @ SV391 @ SV414 )
        | ( SV391 != SV414 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1859]) ).

thf(1974,plain,
    ! [SV415: $i,SV392: $i] :
      ( ( ~ ( proper_subset @ SV392 @ SV415 )
        | ( subset @ SV392 @ SV415 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1860]) ).

thf(1975,plain,
    ! [SV331: $i,SV267: $i] :
      ( ( ( empty @ SV267 )
        = $false )
      | ( ( ~ ( relation @ SV331 ) )
        = $true )
      | ( ( empty @ ( relation_composition @ SV267 @ SV331 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1861]) ).

thf(1976,plain,
    ! [SV332: $i,SV268: $i] :
      ( ( ( empty @ SV268 )
        = $false )
      | ( ( ~ ( relation @ SV332 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV268 @ SV332 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1862]) ).

thf(1977,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
              | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
              | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
          | ~ ~ ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
                    | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
                | ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
                    | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) ) )
        = $false )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1863]) ).

thf(1978,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY852: $i] :
                    ( ~ ( in @ SY852 @ SV125 )
                    | ~ ( in @ SY852 @ SV334 )
                    | ( in @ SY852 @ SV357 ) )
              | ~ ~ ( ~ ! [SY853: $i] :
                          ( ~ ( in @ SY853 @ SV357 )
                          | ( in @ SY853 @ SV125 ) )
                    | ~ ! [SY854: $i] :
                          ( ~ ( in @ SY854 @ SV357 )
                          | ( in @ SY854 @ SV334 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1864]) ).

thf(1979,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ~ ( ~ ( ! [SY897: $i] :
                      ~ ( in @ ( ordered_pair @ SY897 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
                  | ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SV393 @ SV126 ) @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
                  | ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) ) ) )
        = $true )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1865]) ).

thf(1980,plain,
    ! [SV126: $i,SV394: $i] :
      ( ( ( ( SV394
           != ( relation_rng @ SV126 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY898: $i] :
                    ( ! [SY661: $i] :
                        ~ ( in @ ( ordered_pair @ SY661 @ SY898 ) @ SV126 )
                    | ( in @ SY898 @ SV394 ) )
              | ~ ! [SY900: $i] :
                    ( ~ ( in @ SY900 @ SV394 )
                    | ( in @ ( ordered_pair @ ( sK47_D @ SY900 @ SV394 @ SV126 ) @ SY900 ) @ SV126 ) ) ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1866]) ).

thf(1981,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( ! [SY830: $i] :
                  ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SY830 )
                  | ~ ( in @ SY830 @ SV271 ) )
              | ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) ) )
        = $false )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1867]) ).

thf(1982,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
                  | ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) )
              | ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) ) )
        = $false )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1867]) ).

thf(1983,plain,
    ! [SV336: $i,SV272: $i] :
      ( ( ( ~ ! [SY831: $i] :
                ( ! [SY778: $i] :
                    ( ~ ( in @ SY831 @ SY778 )
                    | ~ ( in @ SY778 @ SV272 ) )
                | ( in @ SY831 @ SV336 ) )
          | ~ ! [SY833: $i] :
                ( ~ ( in @ SY833 @ SV336 )
                | ~ ( ~ ( in @ SY833 @ ( sK16_D @ SY833 @ SV336 @ SV272 ) )
                    | ~ ( in @ ( sK16_D @ SY833 @ SV336 @ SV272 ) @ SV272 ) ) ) )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1868]) ).

thf(1984,plain,
    ! [SV337: $i,SV275: $i] :
      ( ( ( SV275 = empty_set )
        = $true )
      | ( ( SV275
          = ( singleton @ SV337 ) )
        = $true )
      | ( ( subset @ SV275 @ ( singleton @ SV337 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1869]) ).

thf(1985,plain,
    ! [SV395: $i] :
      ( ( ( ( SV395 != empty_set ) )
        = $true )
      | ( ( ! [SY901: $i] : ( subset @ SV395 @ ( singleton @ SY901 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1870]) ).

thf(1986,plain,
    ! [SV416: $i,SV396: $i] :
      ( ( ( SV396
         != ( singleton @ SV416 ) )
        | ( subset @ SV396 @ ( singleton @ SV416 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1871]) ).

thf(1987,plain,
    ! [SV417: $i,SV358: $i,SV197: $i,SV127: $i] :
      ( ( ( ( ( ordered_pair @ SV127 @ SV197 )
           != ( ordered_pair @ SV358 @ SV417 ) ) )
        = $true )
      | ( ( SV127 = SV358 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1872]) ).

thf(1988,plain,
    ! [SV397: $i,SV359: $i,SV197: $i,SV127: $i] :
      ( ( ( ( ( ordered_pair @ SV127 @ SV197 )
           != ( ordered_pair @ SV359 @ SV397 ) ) )
        = $true )
      | ( ( SV197 = SV397 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1873]) ).

thf(1989,plain,
    ! [SV51: $i,SV204: $i,SV338: $i] :
      ( ( ( in @ SV338 @ SV204 )
        = $true )
      | ( ( in @ SV338 @ ( subset_complement @ SV51 @ SV204 ) )
        = $true )
      | ( ( element @ SV338 @ SV51 )
        = $false )
      | ( ( element @ SV204 @ ( powerset @ SV51 ) )
        = $false )
      | ( ( SV51 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1877]) ).

thf(1990,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
              | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
              | ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1880]) ).

thf(1991,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
                    | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
                | ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
                    | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) ) )
        = $false )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1880]) ).

thf(1992,plain,
    ! [SV340: $i,SV281: $i,SV99: $i] :
      ( ( ( ~ ! [SY834: $i] :
                ( ~ ( in @ SY834 @ SV99 )
                | ( in @ SY834 @ SV281 )
                | ( in @ SY834 @ SV340 ) )
          | ~ ~ ( ~ ! [SY835: $i] :
                      ( ~ ( in @ SY835 @ SV340 )
                      | ( in @ SY835 @ SV99 ) )
                | ~ ! [SY836: $i] :
                      ( ~ ( in @ SY836 @ SV340 )
                      | ~ ( in @ SY836 @ SV281 ) ) ) )
        = $false )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1881]) ).

thf(1993,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV223 )
        = $true )
      | ( ( subset @ SV223 @ SV282 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1884]) ).

thf(1994,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ( ~ ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV282 ) )
        = $true )
      | ( ( subset @ SV223 @ SV282 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1885]) ).

thf(1995,plain,
    ! [SV283: $i,SV224: $i,SV398: $i] :
      ( ( ( ~ ( in @ SV398 @ SV224 ) )
        = $true )
      | ( ( in @ SV398 @ SV283 )
        = $true )
      | ( ( subset @ SV224 @ SV283 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1886]) ).

thf(1996,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ( ( sK31_C @ SV284 @ SV225 )
           != SV225 )
          | ~ ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) )
        = $true )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1887]) ).

thf(1997,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ( ( sK31_C @ SV284 @ SV225 )
            = SV225 )
          | ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) )
        = $true )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1888]) ).

thf(1998,plain,
    ! [SV285: $i,SV226: $i] :
      ( ( ( ~ ! [SY787: $i] :
                ( ( SY787 != SV226 )
                | ( in @ SY787 @ SV285 ) ) )
        = $false )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1889]) ).

thf(1999,plain,
    ! [SV226: $i,SV285: $i] :
      ( ( ( ~ ! [SY788: $i] :
                ( ~ ( in @ SY788 @ SV285 )
                | ( SY788 = SV226 ) ) )
        = $false )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1889]) ).

thf(2000,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ~ ( ! [SY857: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SY857 ) @ SV100 )
              | ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ ( sK21_SY396 @ SV361 @ SV100 ) ) @ SV100 )
              | ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) ) )
        = $false )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1891]) ).

thf(2001,plain,
    ! [SV100: $i,SV362: $i] :
      ( ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY858: $i] :
                    ( ! [SY528: $i] :
                        ~ ( in @ ( ordered_pair @ SY858 @ SY528 ) @ SV100 )
                    | ( in @ SY858 @ SV362 ) )
              | ~ ! [SY860: $i] :
                    ( ~ ( in @ SY860 @ SV362 )
                    | ( in @ ( ordered_pair @ SY860 @ ( sK19_D @ SY860 @ SV362 @ SV100 ) ) @ SV100 ) ) ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1892]) ).

thf(2002,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( ~ ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
          | ~ ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) )
        = $true )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1893]) ).

thf(2003,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
          | ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) )
        = $true )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1894]) ).

thf(2004,plain,
    ! [SV232: $i,SV289: $i] :
      ( ( ( ~ ! [SY789: $i] :
                ( ~ ( in @ SY789 @ SV289 )
                | ( subset @ SY789 @ SV232 ) ) )
        = $false )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1895]) ).

thf(2005,plain,
    ! [SV289: $i,SV232: $i] :
      ( ( ( ~ ! [SY790: $i] :
                ( ~ ( subset @ SY790 @ SV232 )
                | ( in @ SY790 @ SV289 ) ) )
        = $false )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1895]) ).

thf(2006,plain,
    ! [SV292: $i,SV341: $i,SV102: $i] :
      ( ( ( in @ SV102 @ SV341 )
        = $false )
      | ( ( ~ ( in @ SV292 @ SV341 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV102 @ SV292 ) @ SV341 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1898]) ).

thf(2007,plain,
    ! [SV418: $i,SV401: $i,SV102: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV102 @ SV401 ) @ SV418 )
        | ( in @ SV102 @ SV418 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1899]) ).

thf(2008,plain,
    ! [SV419: $i,SV402: $i,SV102: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV102 @ SV402 ) @ SV419 )
        | ( in @ SV402 @ SV419 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1900]) ).

thf(2009,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( relation @ SV403 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
              | ~ ~ ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) ) )
          | ( SV403
            = ( relation_dom_restriction @ SV103 @ SV363 ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1901]) ).

thf(2010,plain,
    ! [SV364: $i,SV103: $i,SV404: $i] :
      ( ( ( ~ ( relation @ SV404 ) )
        = $true )
      | ( ( ( SV404
           != ( relation_dom_restriction @ SV103 @ SV364 ) )
          | ~ ( ~ ! [SY905: $i,SY906: $i] :
                    ( ~ ( in @ SY905 @ SV364 )
                    | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
                    | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) )
              | ~ ~ ( ~ ! [SY907: $i] :
                          ( ! [SY908: $i] :
                              ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                          | ( in @ SY907 @ SV364 ) )
                    | ~ ! [SY909: $i,SY910: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                          | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1902]) ).

thf(2011,plain,
    ! [SV191: $i,SV104: $i,SV405: $i] :
      ( ( ( ~ ( element @ SV405 @ ( powerset @ SV104 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV191 @ SV405 )
          | ( subset @ SV191 @ ( subset_complement @ SV104 @ SV405 ) ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1905]) ).

thf(2012,plain,
    ! [SV191: $i,SV104: $i,SV406: $i] :
      ( ( ( ~ ( element @ SV406 @ ( powerset @ SV104 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SV406 ) )
          | ( disjoint @ SV191 @ SV406 ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1906]) ).

thf(2013,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( relation @ SV365 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) ) )
          | ( SV105 = SV365 ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1907]) ).

thf(2014,plain,
    ! [SV105: $i,SV366: $i] :
      ( ( ( relation @ SV366 )
        = $false )
      | ( ( ( SV105 != SV366 )
          | ~ ( ~ ! [SY869: $i,SY870: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
                    | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) )
              | ~ ! [SY871: $i,SY872: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
                    | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) ) )
        = $true )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1908]) ).

thf(2015,plain,
    ! [SV192: $i,SV342: $i,SV106: $i,SV367: $i] :
      ( ( ( relation @ SV367 )
        = $false )
      | ( ( ~ ( in @ SV106 @ SV342 )
          | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV367 )
          | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SV367 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1909]) ).

thf(2016,plain,
    ! [SV420: $i,SV192: $i,SV106: $i] :
      ( ( ! [SY914: $i] :
            ( ~ ( relation @ SY914 )
            | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV420 ) @ SY914 ) )
            | ( in @ SV106 @ SV420 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1910]) ).

thf(2017,plain,
    ! [SV421: $i,SV192: $i,SV106: $i] :
      ( ( ! [SY915: $i] :
            ( ~ ( relation @ SY915 )
            | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV421 ) @ SY915 ) )
            | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SY915 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1911]) ).

thf(2018,plain,
    ! [SV107: $i,SV239: $i] :
      ( ( ( ! [SY730: $i] :
              ( ~ ( relation @ SY730 )
              | ~ ( ~ ( ! [SY731: $i] :
                          ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ SY731 ) @ SV107 )
                          | ~ ( in @ ( ordered_pair @ SY731 @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                      | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) ) @ SV107 )
                          | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SV239 ) )
                      | ( in @ ( ordered_pair @ ( sK10_D @ SY730 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SY730 @ SV239 @ SV107 ) ) @ SY730 ) ) )
              | ( SY730
                = ( relation_composition @ SV107 @ SV239 ) ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1912]) ).

thf(2019,plain,
    ! [SV239: $i,SV107: $i] :
      ( ( ( ! [SY732: $i] :
              ( ~ ( relation @ SY732 )
              | ( SY732
               != ( relation_composition @ SV107 @ SV239 ) )
              | ~ ( ~ ! [SY733: $i,SY734: $i] :
                        ( ! [SY735: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY733 @ SY735 ) @ SV107 )
                            | ~ ( in @ ( ordered_pair @ SY735 @ SY734 ) @ SV239 ) )
                        | ( in @ ( ordered_pair @ SY733 @ SY734 ) @ SY732 ) )
                  | ~ ! [SY736: $i,SY737: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY736 @ SY737 ) @ SY732 )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY736 @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) ) @ SV107 )
                            | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY737 @ SY736 @ SY732 @ SV239 @ SV107 ) @ SY737 ) @ SV239 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1913]) ).

thf(2020,plain,
    ! [SV368: $i,SV193: $i,SV343: $i,SV108: $i] :
      ( ( ( ~ ( in @ SV108 @ SV343 ) )
        = $true )
      | ( ( ~ ( in @ SV193 @ SV368 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV343 @ SV368 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1914]) ).

thf(2021,plain,
    ! [SV422: $i,SV193: $i,SV108: $i] :
      ( ( ! [SY916: $i] :
            ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV422 @ SY916 ) )
        | ( in @ SV108 @ SV422 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1915]) ).

thf(2022,plain,
    ! [SV423: $i,SV193: $i,SV108: $i] :
      ( ( ! [SY917: $i] :
            ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV423 @ SY917 ) )
            | ( in @ SV193 @ SY917 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1916]) ).

thf(2023,plain,
    ! [SV344: $i,SV295: $i,SV109: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV109 @ SV295 ) @ SV344 ) )
        = $true )
      | ( ( in @ SV109 @ ( relation_dom @ SV344 ) )
        = $true )
      | ( ( relation @ SV344 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1917]) ).

thf(2024,plain,
    ! [SV345: $i,SV296: $i,SV109: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV109 @ SV296 ) @ SV345 ) )
        = $true )
      | ( ( in @ SV296 @ ( relation_rng @ SV345 ) )
        = $true )
      | ( ( relation @ SV345 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1918]) ).

thf(2025,plain,
    ! [SV369: $i,SV298: $i,SV241: $i] :
      ( ( ( disjoint @ SV241 @ SV298 )
        = $false )
      | ( ( in @ SV369 @ ( set_intersection2 @ SV241 @ SV298 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1919]) ).

thf(2026,plain,
    ! [SV110: $i,SV370: $i] :
      ( ( ( relation @ SV370 )
        = $false )
      | ( ( ~ ( subset @ SV110 @ SV370 )
          | ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SV370 ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1920]) ).

thf(2027,plain,
    ! [SV110: $i,SV371: $i] :
      ( ( ( relation @ SV371 )
        = $false )
      | ( ( ~ ( subset @ SV110 @ SV371 )
          | ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SV371 ) ) )
        = $true )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1921]) ).

thf(2028,plain,
    ! [SV244: $i,SV301: $i] :
      ( ( ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV244 )
        = $true )
      | ( ( disjoint @ SV244 @ SV301 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1922]) ).

thf(2029,plain,
    ! [SV244: $i,SV301: $i] :
      ( ( ( in @ ( sK40_C @ SV301 @ SV244 ) @ SV301 )
        = $true )
      | ( ( disjoint @ SV244 @ SV301 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1923]) ).

thf(2030,plain,
    ! [SV302: $i,SV245: $i,SV372: $i] :
      ( ( ( in @ SV372 @ SV245 )
        = $false )
      | ( ( ~ ( in @ SV372 @ SV302 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV245 @ SV302 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1924]) ).

thf(2031,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                    | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
                | ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                    | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) ) )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1925]) ).

thf(2032,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
              | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
              | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1925]) ).

thf(2033,plain,
    ! [SV306: $i,SV111: $i,SV347: $i] :
      ( ( ( ~ ! [SY839: $i] :
                ( ~ ( in @ SY839 @ SV347 )
                | ( in @ SY839 @ SV111 )
                | ( in @ SY839 @ SV306 ) )
          | ~ ~ ( ~ ! [SY840: $i] :
                      ( ~ ( in @ SY840 @ SV111 )
                      | ( in @ SY840 @ SV347 ) )
                | ~ ! [SY841: $i] :
                      ( ~ ( in @ SY841 @ SV306 )
                      | ( in @ SY841 @ SV347 ) ) ) )
        = $false )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1926]) ).

thf(2034,plain,
    ! [SV112: $i,SV407: $i] :
      ( ( ( ~ ( in @ SV407 @ ( sK41_B @ SV112 ) ) )
        = $true )
      | ( ( in @ ( powerset @ SV407 ) @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1928]) ).

thf(2035,plain,
    ! [SV112: $i] :
      ( ( ~ ! [SY597: $i,SY598: $i] :
              ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
              | ~ ( subset @ SY598 @ SY597 )
              | ( in @ SY598 @ ( sK41_B @ SV112 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1929]) ).

thf(2036,plain,
    ! [SV112: $i] :
      ( ( ~ ( in @ SV112 @ ( sK41_B @ SV112 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1929]) ).

thf(2037,plain,
    ! [SV373: $i,SV194: $i,SV348: $i,SV113: $i] :
      ( ( ( ~ ( in @ SV113 @ SV348 ) )
        = $true )
      | ( ( ~ ( in @ SV194 @ SV373 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV348 @ SV373 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1930]) ).

thf(2038,plain,
    ! [SV424: $i,SV194: $i,SV113: $i] :
      ( ( ! [SY918: $i] :
            ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV424 @ SY918 ) )
        | ( in @ SV113 @ SV424 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1931]) ).

thf(2039,plain,
    ! [SV425: $i,SV194: $i,SV113: $i] :
      ( ( ! [SY919: $i] :
            ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV425 @ SY919 ) )
            | ( in @ SV194 @ SY919 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1932]) ).

thf(2040,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( relation @ SV374 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV114 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 ) )
          | ( subset @ SV114 @ SV374 ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1933]) ).

thf(2041,plain,
    ! [SV114: $i,SV375: $i] :
      ( ( ( relation @ SV375 )
        = $false )
      | ( ( ~ ( subset @ SV114 @ SV375 )
          | ! [SY873: $i,SY874: $i] :
              ( ~ ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV114 )
              | ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV375 ) ) )
        = $true )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1934]) ).

thf(2042,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( relation @ SV376 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) ) )
          | ( SV376
            = ( relation_inverse @ SV115 ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1935]) ).

thf(2043,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( relation @ SV377 )
        = $false )
      | ( ( ( SV377
           != ( relation_inverse @ SV115 ) )
          | ~ ( ~ ! [SY875: $i,SY876: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
                    | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) )
              | ~ ! [SY877: $i,SY878: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
                    | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1936]) ).

thf(2044,plain,
    ! [SV349: $i,SV312: $i,SV116: $i] :
      ( ( ( ~ ( in @ SV116 @ SV312 )
          | ~ ( in @ SV116 @ ( relation_dom @ SV349 ) ) )
        = $true )
      | ( ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV349 @ SV312 ) ) )
        = $true )
      | ( ( relation @ SV349 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1938]) ).

thf(2045,plain,
    ! [SV408: $i,SV116: $i,SV426: $i] :
      ( ( ~ ( relation @ SV426 )
        | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV426 @ SV408 ) ) )
        | ( in @ SV116 @ SV408 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1939]) ).

thf(2046,plain,
    ! [SV409: $i,SV116: $i,SV427: $i] :
      ( ( ~ ( relation @ SV427 )
        | ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV427 @ SV409 ) ) )
        | ( in @ SV116 @ ( relation_dom @ SV427 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1940]) ).

thf(2047,plain,
    ! [SV350: $i,SV313: $i,SV117: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV117 @ SV313 ) @ SV350 ) )
        = $true )
      | ( ( in @ SV117 @ ( relation_field @ SV350 ) )
        = $true )
      | ( ( relation @ SV350 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1941]) ).

thf(2048,plain,
    ! [SV351: $i,SV314: $i,SV117: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV117 @ SV314 ) @ SV351 ) )
        = $true )
      | ( ( in @ SV314 @ ( relation_field @ SV351 ) )
        = $true )
      | ( ( relation @ SV351 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1942]) ).

thf(2049,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
               != ( sK36_SY405 @ SV315 @ SV252 ) )
              | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
              | ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
          | ~ ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                      = ( sK36_SY405 @ SV315 @ SV252 ) )
                    | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
                | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                    | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) ) )
        = $false )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1943]) ).

thf(2050,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY806: $i,SY807: $i] :
                    ( ( SY806 != SY807 )
                    | ~ ( in @ SY806 @ SV253 )
                    | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) )
              | ~ ~ ( ~ ! [SY808: $i,SY809: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                          | ( SY808 = SY809 ) )
                    | ~ ! [SY810: $i] :
                          ( ! [SY811: $i] :
                              ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                          | ( in @ SY810 @ SV253 ) ) ) ) )
        = $true )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1944]) ).

thf(2051,plain,
    ! [SV352: $i,SV319: $i,SV118: $i] :
      ( ( ( ~ ( ! [SY843: $i,SY844: $i] :
                  ( ~ ( in @ SY843 @ SV118 )
                  | ~ ( in @ SY844 @ SV319 )
                  | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                   != ( ordered_pair @ SY843 @ SY844 ) ) )
              | ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) ) )
        = $false )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1945]) ).

thf(2052,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                        | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
                  | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
                   != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) )
              | ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) ) )
        = $false )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1945]) ).

thf(2053,plain,
    ! [SV353: $i,SV320: $i,SV118: $i] :
      ( ( ( ~ ! [SY845: $i] :
                ( ! [SY817: $i,SY818: $i] :
                    ( ~ ( in @ SY817 @ SV118 )
                    | ~ ( in @ SY818 @ SV320 )
                    | ( SY845
                     != ( ordered_pair @ SY817 @ SY818 ) ) )
                | ( in @ SY845 @ SV353 ) )
          | ~ ! [SY848: $i] :
                ( ~ ( in @ SY848 @ SV353 )
                | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                          | ~ ( in @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
                    | ( SY848
                     != ( ordered_pair @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) ) ) ) ) )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1946]) ).

thf(2054,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                    | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                     != SV119 ) )
                | ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                    | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                     != SV323 ) ) ) )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1947]) ).

thf(2055,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                = SV119 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                = SV323 ) ) )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1947]) ).

thf(2056,plain,
    ! [SV324: $i,SV119: $i,SV355: $i] :
      ( ( ( ~ ! [SY849: $i] :
                ( ~ ( in @ SY849 @ SV355 )
                | ( SY849 = SV119 )
                | ( SY849 = SV324 ) )
          | ~ ~ ( ~ ! [SY850: $i] :
                      ( ( SY850 != SV119 )
                      | ( in @ SY850 @ SV355 ) )
                | ~ ! [SY851: $i] :
                      ( ( SY851 != SV324 )
                      | ( in @ SY851 @ SV355 ) ) ) )
        = $false )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1948]) ).

thf(2057,plain,
    ! [SV428: $i,SV258: $i] :
      ( ( ( ! [SY920: $i] :
              ( ( sK58_B @ SV258 )
             != ( ordered_pair @ SV428 @ SY920 ) ) )
        = $true )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1949]) ).

thf(2058,plain,
    ! [SV259: $i,SV378: $i] :
      ( ( ( in @ SV378 @ SV259 )
        = $false )
      | ( ( SV378
          = ( ordered_pair @ ( sK56_C @ SV378 @ SV259 ) @ ( sK57_SY422 @ SV378 @ SV259 ) ) )
        = $true )
      | ( ( relation @ SV259 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1951]) ).

thf(2059,plain,
    ! [SV120: $i,SV195: $i] :
      ( ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV195 )
        = $false )
      | ( ( in @ ( sK3_C @ SV195 @ SV120 ) @ SV120 )
        = $false )
      | ( ( SV120 = SV195 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1952]) ).

thf(2060,plain,
    ! [SV379: $i,SV429: $i] :
      ( ( ( ~ ( element @ SV429 @ SV379 )
          | ( in @ SV429 @ SV379 ) )
        = $true )
      | ( ( empty @ SV379 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1953]) ).

thf(2061,plain,
    ! [SV380: $i,SV430: $i] :
      ( ( ( ~ ( in @ SV430 @ SV380 )
          | ( element @ SV430 @ SV380 ) )
        = $true )
      | ( ( empty @ SV380 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1954]) ).

thf(2062,plain,
    ! [SV381: $i] :
      ( ( ( empty @ SV381 )
        = $false )
      | ( ( ! [SY881: $i] :
              ( ~ ( element @ SY881 @ SV381 )
              | ( empty @ SY881 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1955]) ).

thf(2063,plain,
    ! [SV382: $i] :
      ( ( ( empty @ SV382 )
        = $false )
      | ( ( ! [SY882: $i] :
              ( ~ ( empty @ SY882 )
              | ( element @ SY882 @ SV382 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1956]) ).

thf(2064,plain,
    ! [SV383: $i] :
      ( ( ( SV383 = empty_set )
        = $false )
      | ( ( ! [SY883: $i] : ( subset @ SV383 @ ( singleton @ SY883 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1958]) ).

thf(2065,plain,
    ! [SV410: $i,SV384: $i] :
      ( ( ( ( SV384
           != ( singleton @ SV410 ) ) )
        = $true )
      | ( ( subset @ SV384 @ ( singleton @ SV410 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1959]) ).

thf(2066,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ( ~ ( ~ ! [SY913: $i] :
                    ( ~ ( subset @ SY913 @ SV411 )
                    | ( in @ SY913 @ ( sK44_SY413 @ SV411 @ SV121 ) ) )
              | ~ ( in @ ( sK44_SY413 @ SV411 @ SV121 ) @ ( sK43_B @ SV121 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1961]) ).

thf(2067,plain,
    ! [SV121: $i] :
      ( ( ~ ! [SY647: $i,SY648: $i] :
              ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
              | ~ ( subset @ SY648 @ SY647 )
              | ( in @ SY648 @ ( sK43_B @ SV121 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1962]) ).

thf(2068,plain,
    ! [SV121: $i] :
      ( ( ~ ( in @ SV121 @ ( sK43_B @ SV121 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1962]) ).

thf(2069,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
                      | ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
                  | ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
              | ~ ( ! [SY921: $i] :
                      ( ~ ( in @ SY921 @ SV385 )
                      | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SY921 ) )
                  | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) ) )
          | ( SV431
            = ( set_meet @ SV385 ) ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1963]) ).

thf(2070,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( ( SV432
           != ( set_meet @ SV386 ) )
          | ~ ( ~ ! [SY922: $i] :
                    ( ~ ( ~ ( in @ ( sK32_D @ SY922 @ SV432 @ SV386 ) @ SV386 )
                        | ~ ~ ( in @ SY922 @ ( sK32_D @ SY922 @ SV432 @ SV386 ) ) )
                    | ( in @ SY922 @ SV432 ) )
              | ~ ! [SY923: $i] :
                    ( ~ ( in @ SY923 @ SV432 )
                    | ! [SY890: $i] :
                        ( ~ ( in @ SY890 @ SV386 )
                        | ( in @ SY923 @ SY890 ) ) ) ) )
        = $true )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1964]) ).

thf(2071,plain,
    ! [SV387: $i] :
      ( ( ( SV387 = empty_set )
        = $false )
      | ( ( ! [SY891: $i] :
              ( ( SY891
               != ( set_meet @ SV387 ) )
              | ( SY891 = empty_set ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1965]) ).

thf(2072,plain,
    ! [SV388: $i] :
      ( ( ( SV388 = empty_set )
        = $false )
      | ( ( ! [SY892: $i] :
              ( ( SY892 != empty_set )
              | ( SY892
                = ( set_meet @ SV388 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1966]) ).

thf(2073,plain,
    ! [SV261: $i,SV327: $i] :
      ( ( ( subset @ SV327 @ SV261 )
        = $false )
      | ( ( subset @ SV261 @ SV327 )
        = $false )
      | ( ( SV261 = SV327 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1967]) ).

thf(2074,plain,
    ! [SV412: $i,SV389: $i] :
      ( ( ( ( SV389 != SV412 ) )
        = $true )
      | ( ( subset @ SV389 @ SV412 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1968]) ).

thf(2075,plain,
    ! [SV413: $i,SV390: $i] :
      ( ( ( ( SV390 != SV413 ) )
        = $true )
      | ( ( subset @ SV413 @ SV390 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1969]) ).

thf(2076,plain,
    ! [SV262: $i,SV328: $i] :
      ( ( ( relation @ SV328 )
        = $false )
      | ( ( empty @ SV262 )
        = $false )
      | ( ( empty @ ( relation_composition @ SV328 @ SV262 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1970]) ).

thf(2077,plain,
    ! [SV263: $i,SV329: $i] :
      ( ( ( relation @ SV329 )
        = $false )
      | ( ( empty @ SV263 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV329 @ SV263 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1971]) ).

thf(2078,plain,
    ! [SV414: $i,SV391: $i] :
      ( ( ( ~ ( proper_subset @ SV391 @ SV414 ) )
        = $true )
      | ( ( ( SV391 != SV414 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1973]) ).

thf(2079,plain,
    ! [SV415: $i,SV392: $i] :
      ( ( ( ~ ( proper_subset @ SV392 @ SV415 ) )
        = $true )
      | ( ( subset @ SV392 @ SV415 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1974]) ).

thf(2080,plain,
    ! [SV267: $i,SV331: $i] :
      ( ( ( relation @ SV331 )
        = $false )
      | ( ( empty @ SV267 )
        = $false )
      | ( ( empty @ ( relation_composition @ SV267 @ SV331 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1975]) ).

thf(2081,plain,
    ! [SV268: $i,SV332: $i] :
      ( ( ( relation @ SV332 )
        = $false )
      | ( ( empty @ SV268 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV268 @ SV332 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1976]) ).

thf(2082,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
              | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
              | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) )
        = $false )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1977]) ).

thf(2083,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
                    | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
                | ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
                    | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) ) )
        = $false )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1977]) ).

thf(2084,plain,
    ! [SV357: $i,SV334: $i,SV125: $i] :
      ( ( ( ~ ! [SY852: $i] :
                ( ~ ( in @ SY852 @ SV125 )
                | ~ ( in @ SY852 @ SV334 )
                | ( in @ SY852 @ SV357 ) )
          | ~ ~ ( ~ ! [SY853: $i] :
                      ( ~ ( in @ SY853 @ SV357 )
                      | ( in @ SY853 @ SV125 ) )
                | ~ ! [SY854: $i] :
                      ( ~ ( in @ SY854 @ SV357 )
                      | ( in @ SY854 @ SV334 ) ) ) )
        = $false )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1978]) ).

thf(2085,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ~ ( ! [SY897: $i] :
                  ~ ( in @ ( ordered_pair @ SY897 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
              | ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SV393 @ SV126 ) @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
              | ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) ) )
        = $false )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1979]) ).

thf(2086,plain,
    ! [SV126: $i,SV394: $i] :
      ( ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY898: $i] :
                    ( ! [SY661: $i] :
                        ~ ( in @ ( ordered_pair @ SY661 @ SY898 ) @ SV126 )
                    | ( in @ SY898 @ SV394 ) )
              | ~ ! [SY900: $i] :
                    ( ~ ( in @ SY900 @ SV394 )
                    | ( in @ ( ordered_pair @ ( sK47_D @ SY900 @ SV394 @ SV126 ) @ SY900 ) @ SV126 ) ) ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1980]) ).

thf(2087,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ! [SY830: $i] :
              ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SY830 )
              | ~ ( in @ SY830 @ SV271 ) )
          | ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1981]) ).

thf(2088,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
              | ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) )
          | ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1982]) ).

thf(2089,plain,
    ! [SV336: $i,SV272: $i] :
      ( ( ( ~ ! [SY831: $i] :
                ( ! [SY778: $i] :
                    ( ~ ( in @ SY831 @ SY778 )
                    | ~ ( in @ SY778 @ SV272 ) )
                | ( in @ SY831 @ SV336 ) ) )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1983]) ).

thf(2090,plain,
    ! [SV272: $i,SV336: $i] :
      ( ( ( ~ ! [SY833: $i] :
                ( ~ ( in @ SY833 @ SV336 )
                | ~ ( ~ ( in @ SY833 @ ( sK16_D @ SY833 @ SV336 @ SV272 ) )
                    | ~ ( in @ ( sK16_D @ SY833 @ SV336 @ SV272 ) @ SV272 ) ) ) )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1983]) ).

thf(2091,plain,
    ! [SV395: $i] :
      ( ( ( SV395 = empty_set )
        = $false )
      | ( ( ! [SY901: $i] : ( subset @ SV395 @ ( singleton @ SY901 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1985]) ).

thf(2092,plain,
    ! [SV416: $i,SV396: $i] :
      ( ( ( ( SV396
           != ( singleton @ SV416 ) ) )
        = $true )
      | ( ( subset @ SV396 @ ( singleton @ SV416 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1986]) ).

thf(2093,plain,
    ! [SV417: $i,SV358: $i,SV197: $i,SV127: $i] :
      ( ( ( ( ordered_pair @ SV127 @ SV197 )
          = ( ordered_pair @ SV358 @ SV417 ) )
        = $false )
      | ( ( SV127 = SV358 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1987]) ).

thf(2094,plain,
    ! [SV397: $i,SV359: $i,SV197: $i,SV127: $i] :
      ( ( ( ( ordered_pair @ SV127 @ SV197 )
          = ( ordered_pair @ SV359 @ SV397 ) )
        = $false )
      | ( ( SV197 = SV397 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1988]) ).

thf(2095,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
          | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
          | ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1990]) ).

thf(2096,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
                  | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
              | ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
                  | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1991]) ).

thf(2097,plain,
    ! [SV340: $i,SV281: $i,SV99: $i] :
      ( ( ( ~ ! [SY834: $i] :
                ( ~ ( in @ SY834 @ SV99 )
                | ( in @ SY834 @ SV281 )
                | ( in @ SY834 @ SV340 ) ) )
        = $false )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1992]) ).

thf(2098,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( ~ ~ ( ~ ! [SY835: $i] :
                      ( ~ ( in @ SY835 @ SV340 )
                      | ( in @ SY835 @ SV99 ) )
                | ~ ! [SY836: $i] :
                      ( ~ ( in @ SY836 @ SV340 )
                      | ~ ( in @ SY836 @ SV281 ) ) ) )
        = $false )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1992]) ).

thf(2099,plain,
    ! [SV223: $i,SV282: $i] :
      ( ( ( in @ ( sK50_C @ SV282 @ SV223 ) @ SV282 )
        = $false )
      | ( ( subset @ SV223 @ SV282 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1994]) ).

thf(2100,plain,
    ! [SV283: $i,SV224: $i,SV398: $i] :
      ( ( ( in @ SV398 @ SV224 )
        = $false )
      | ( ( in @ SV398 @ SV283 )
        = $true )
      | ( ( subset @ SV224 @ SV283 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1995]) ).

thf(2101,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ( ( sK31_C @ SV284 @ SV225 )
           != SV225 ) )
        = $true )
      | ( ( ~ ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) )
        = $true )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1996]) ).

thf(2102,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ( sK31_C @ SV284 @ SV225 )
          = SV225 )
        = $true )
      | ( ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 )
        = $true )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1997]) ).

thf(2103,plain,
    ! [SV285: $i,SV226: $i] :
      ( ( ( ! [SY787: $i] :
              ( ( SY787 != SV226 )
              | ( in @ SY787 @ SV285 ) ) )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1998]) ).

thf(2104,plain,
    ! [SV226: $i,SV285: $i] :
      ( ( ( ! [SY788: $i] :
              ( ~ ( in @ SY788 @ SV285 )
              | ( SY788 = SV226 ) ) )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1999]) ).

thf(2105,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ~ ( ! [SY857: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SY857 ) @ SV100 )
              | ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) ) )
        = $false )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2000]) ).

thf(2106,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ ( sK21_SY396 @ SV361 @ SV100 ) ) @ SV100 )
              | ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) ) )
        = $false )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2000]) ).

thf(2107,plain,
    ! [SV362: $i,SV100: $i] :
      ( ( ( ~ ! [SY858: $i] :
                ( ! [SY528: $i] :
                    ~ ( in @ ( ordered_pair @ SY858 @ SY528 ) @ SV100 )
                | ( in @ SY858 @ SV362 ) )
          | ~ ! [SY860: $i] :
                ( ~ ( in @ SY860 @ SV362 )
                | ( in @ ( ordered_pair @ SY860 @ ( sK19_D @ SY860 @ SV362 @ SV100 ) ) @ SV100 ) ) )
        = $false )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2001]) ).

thf(2108,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( ~ ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 ) )
        = $true )
      | ( ( ~ ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) )
        = $true )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2002]) ).

thf(2109,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
        = $true )
      | ( ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 )
        = $true )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2003]) ).

thf(2110,plain,
    ! [SV232: $i,SV289: $i] :
      ( ( ( ! [SY789: $i] :
              ( ~ ( in @ SY789 @ SV289 )
              | ( subset @ SY789 @ SV232 ) ) )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2004]) ).

thf(2111,plain,
    ! [SV289: $i,SV232: $i] :
      ( ( ( ! [SY790: $i] :
              ( ~ ( subset @ SY790 @ SV232 )
              | ( in @ SY790 @ SV289 ) ) )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2005]) ).

thf(2112,plain,
    ! [SV102: $i,SV341: $i,SV292: $i] :
      ( ( ( in @ SV292 @ SV341 )
        = $false )
      | ( ( in @ SV102 @ SV341 )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV102 @ SV292 ) @ SV341 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2006]) ).

thf(2113,plain,
    ! [SV418: $i,SV401: $i,SV102: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV102 @ SV401 ) @ SV418 ) )
        = $true )
      | ( ( in @ SV102 @ SV418 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2007]) ).

thf(2114,plain,
    ! [SV419: $i,SV402: $i,SV102: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV102 @ SV402 ) @ SV419 ) )
        = $true )
      | ( ( in @ SV402 @ SV419 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2008]) ).

thf(2115,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( relation @ SV403 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
              | ~ ~ ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) ) )
          | ( SV403
            = ( relation_dom_restriction @ SV103 @ SV363 ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2009]) ).

thf(2116,plain,
    ! [SV364: $i,SV103: $i,SV404: $i] :
      ( ( ( relation @ SV404 )
        = $false )
      | ( ( ( SV404
           != ( relation_dom_restriction @ SV103 @ SV364 ) )
          | ~ ( ~ ! [SY905: $i,SY906: $i] :
                    ( ~ ( in @ SY905 @ SV364 )
                    | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
                    | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) )
              | ~ ~ ( ~ ! [SY907: $i] :
                          ( ! [SY908: $i] :
                              ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                          | ( in @ SY907 @ SV364 ) )
                    | ~ ! [SY909: $i,SY910: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                          | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) ) )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2010]) ).

thf(2117,plain,
    ! [SV191: $i,SV104: $i,SV405: $i] :
      ( ( ( element @ SV405 @ ( powerset @ SV104 ) )
        = $false )
      | ( ( ~ ( disjoint @ SV191 @ SV405 )
          | ( subset @ SV191 @ ( subset_complement @ SV104 @ SV405 ) ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2011]) ).

thf(2118,plain,
    ! [SV191: $i,SV104: $i,SV406: $i] :
      ( ( ( element @ SV406 @ ( powerset @ SV104 ) )
        = $false )
      | ( ( ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SV406 ) )
          | ( disjoint @ SV191 @ SV406 ) )
        = $true )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2012]) ).

thf(2119,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
                  | ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) ) ) )
        = $true )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2013]) ).

thf(2120,plain,
    ! [SV366: $i,SV105: $i] :
      ( ( ( ( SV105 != SV366 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY869: $i,SY870: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
                    | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) )
              | ~ ! [SY871: $i,SY872: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
                    | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) ) )
        = $true )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2014]) ).

thf(2121,plain,
    ! [SV367: $i,SV192: $i,SV342: $i,SV106: $i] :
      ( ( ( ~ ( in @ SV106 @ SV342 )
          | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV367 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SV367 ) )
        = $true )
      | ( ( relation @ SV367 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2015]) ).

thf(2122,plain,
    ! [SV420: $i,SV192: $i,SV106: $i,SV433: $i] :
      ( ( ~ ( relation @ SV433 )
        | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV420 ) @ SV433 ) )
        | ( in @ SV106 @ SV420 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2016]) ).

thf(2123,plain,
    ! [SV421: $i,SV192: $i,SV106: $i,SV434: $i] :
      ( ( ~ ( relation @ SV434 )
        | ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV421 ) @ SV434 ) )
        | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV434 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2017]) ).

thf(2124,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( relation @ SV435 )
          | ~ ( ~ ( ! [SY925: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) ) )
          | ( SV435
            = ( relation_composition @ SV107 @ SV239 ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2018]) ).

thf(2125,plain,
    ! [SV239: $i,SV107: $i,SV436: $i] :
      ( ( ( ~ ( relation @ SV436 )
          | ( SV436
           != ( relation_composition @ SV107 @ SV239 ) )
          | ~ ( ~ ! [SY926: $i,SY927: $i] :
                    ( ! [SY735: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
                    | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) )
              | ~ ! [SY929: $i,SY930: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2019]) ).

thf(2126,plain,
    ! [SV368: $i,SV193: $i,SV343: $i,SV108: $i] :
      ( ( ( in @ SV108 @ SV343 )
        = $false )
      | ( ( ~ ( in @ SV193 @ SV368 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV343 @ SV368 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2020]) ).

thf(2127,plain,
    ! [SV422: $i,SV193: $i,SV108: $i] :
      ( ( ( ! [SY916: $i] :
              ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV422 @ SY916 ) ) )
        = $true )
      | ( ( in @ SV108 @ SV422 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2021]) ).

thf(2128,plain,
    ! [SV437: $i,SV423: $i,SV193: $i,SV108: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV423 @ SV437 ) )
        | ( in @ SV193 @ SV437 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2022]) ).

thf(2129,plain,
    ! [SV344: $i,SV295: $i,SV109: $i] :
      ( ( ( in @ ( ordered_pair @ SV109 @ SV295 ) @ SV344 )
        = $false )
      | ( ( in @ SV109 @ ( relation_dom @ SV344 ) )
        = $true )
      | ( ( relation @ SV344 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2023]) ).

thf(2130,plain,
    ! [SV345: $i,SV296: $i,SV109: $i] :
      ( ( ( in @ ( ordered_pair @ SV109 @ SV296 ) @ SV345 )
        = $false )
      | ( ( in @ SV296 @ ( relation_rng @ SV345 ) )
        = $true )
      | ( ( relation @ SV345 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2024]) ).

thf(2131,plain,
    ! [SV370: $i,SV110: $i] :
      ( ( ( ~ ( subset @ SV110 @ SV370 ) )
        = $true )
      | ( ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SV370 ) )
        = $true )
      | ( ( relation @ SV370 )
        = $false )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2026]) ).

thf(2132,plain,
    ! [SV371: $i,SV110: $i] :
      ( ( ( ~ ( subset @ SV110 @ SV371 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SV371 ) )
        = $true )
      | ( ( relation @ SV371 )
        = $false )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2027]) ).

thf(2133,plain,
    ! [SV245: $i,SV302: $i,SV372: $i] :
      ( ( ( in @ SV372 @ SV302 )
        = $false )
      | ( ( in @ SV372 @ SV245 )
        = $false )
      | ( ( ~ ( disjoint @ SV245 @ SV302 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2030]) ).

thf(2134,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                  | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
              | ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
                  | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2031]) ).

thf(2135,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
          | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
          | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2032]) ).

thf(2136,plain,
    ! [SV306: $i,SV111: $i,SV347: $i] :
      ( ( ( ~ ! [SY839: $i] :
                ( ~ ( in @ SY839 @ SV347 )
                | ( in @ SY839 @ SV111 )
                | ( in @ SY839 @ SV306 ) ) )
        = $false )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2033]) ).

thf(2137,plain,
    ! [SV306: $i,SV347: $i,SV111: $i] :
      ( ( ( ~ ~ ( ~ ! [SY840: $i] :
                      ( ~ ( in @ SY840 @ SV111 )
                      | ( in @ SY840 @ SV347 ) )
                | ~ ! [SY841: $i] :
                      ( ~ ( in @ SY841 @ SV306 )
                      | ( in @ SY841 @ SV347 ) ) ) )
        = $false )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2033]) ).

thf(2138,plain,
    ! [SV112: $i,SV407: $i] :
      ( ( ( in @ SV407 @ ( sK41_B @ SV112 ) )
        = $false )
      | ( ( in @ ( powerset @ SV407 ) @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2034]) ).

thf(2139,plain,
    ! [SV112: $i] :
      ( ( ! [SY597: $i,SY598: $i] :
            ( ~ ( in @ SY597 @ ( sK41_B @ SV112 ) )
            | ~ ( subset @ SY598 @ SY597 )
            | ( in @ SY598 @ ( sK41_B @ SV112 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2035]) ).

thf(2140,plain,
    ! [SV112: $i] :
      ( ( in @ SV112 @ ( sK41_B @ SV112 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2036]) ).

thf(2141,plain,
    ! [SV373: $i,SV194: $i,SV348: $i,SV113: $i] :
      ( ( ( in @ SV113 @ SV348 )
        = $false )
      | ( ( ~ ( in @ SV194 @ SV373 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV348 @ SV373 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2037]) ).

thf(2142,plain,
    ! [SV424: $i,SV194: $i,SV113: $i] :
      ( ( ( ! [SY918: $i] :
              ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV424 @ SY918 ) ) )
        = $true )
      | ( ( in @ SV113 @ SV424 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2038]) ).

thf(2143,plain,
    ! [SV438: $i,SV425: $i,SV194: $i,SV113: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV425 @ SV438 ) )
        | ( in @ SV194 @ SV438 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2039]) ).

thf(2144,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV114 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 ) ) )
        = $true )
      | ( ( subset @ SV114 @ SV374 )
        = $true )
      | ( ( relation @ SV374 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2040]) ).

thf(2145,plain,
    ! [SV375: $i,SV114: $i] :
      ( ( ( ~ ( subset @ SV114 @ SV375 ) )
        = $true )
      | ( ( ! [SY873: $i,SY874: $i] :
              ( ~ ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV114 )
              | ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV375 ) ) )
        = $true )
      | ( ( relation @ SV375 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2041]) ).

thf(2146,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
                  | ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) ) ) )
        = $true )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2042]) ).

thf(2147,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( ( SV377
           != ( relation_inverse @ SV115 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY875: $i,SY876: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
                    | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) )
              | ~ ! [SY877: $i,SY878: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
                    | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) ) )
        = $true )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2043]) ).

thf(2148,plain,
    ! [SV349: $i,SV312: $i,SV116: $i] :
      ( ( ( ~ ( in @ SV116 @ SV312 ) )
        = $true )
      | ( ( ~ ( in @ SV116 @ ( relation_dom @ SV349 ) ) )
        = $true )
      | ( ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV349 @ SV312 ) ) )
        = $true )
      | ( ( relation @ SV349 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2044]) ).

thf(2149,plain,
    ! [SV408: $i,SV116: $i,SV426: $i] :
      ( ( ( ~ ( relation @ SV426 ) )
        = $true )
      | ( ( ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV426 @ SV408 ) ) )
          | ( in @ SV116 @ SV408 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2045]) ).

thf(2150,plain,
    ! [SV409: $i,SV116: $i,SV427: $i] :
      ( ( ( ~ ( relation @ SV427 ) )
        = $true )
      | ( ( ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV427 @ SV409 ) ) )
          | ( in @ SV116 @ ( relation_dom @ SV427 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2046]) ).

thf(2151,plain,
    ! [SV350: $i,SV313: $i,SV117: $i] :
      ( ( ( in @ ( ordered_pair @ SV117 @ SV313 ) @ SV350 )
        = $false )
      | ( ( in @ SV117 @ ( relation_field @ SV350 ) )
        = $true )
      | ( ( relation @ SV350 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2047]) ).

thf(2152,plain,
    ! [SV351: $i,SV314: $i,SV117: $i] :
      ( ( ( in @ ( ordered_pair @ SV117 @ SV314 ) @ SV351 )
        = $false )
      | ( ( in @ SV314 @ ( relation_field @ SV351 ) )
        = $true )
      | ( ( relation @ SV351 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2048]) ).

thf(2153,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
               != ( sK36_SY405 @ SV315 @ SV252 ) )
              | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
              | ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) )
        = $false )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2049]) ).

thf(2154,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                      = ( sK36_SY405 @ SV315 @ SV252 ) )
                    | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
                | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                    | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) ) )
        = $false )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2049]) ).

thf(2155,plain,
    ! [SV316: $i,SV253: $i] :
      ( ( ( ~ ! [SY806: $i,SY807: $i] :
                ( ( SY806 != SY807 )
                | ~ ( in @ SY806 @ SV253 )
                | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) )
          | ~ ~ ( ~ ! [SY808: $i,SY809: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                      | ( SY808 = SY809 ) )
                | ~ ! [SY810: $i] :
                      ( ! [SY811: $i] :
                          ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                      | ( in @ SY810 @ SV253 ) ) ) )
        = $false )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2050]) ).

thf(2156,plain,
    ! [SV352: $i,SV319: $i,SV118: $i] :
      ( ( ( ! [SY843: $i,SY844: $i] :
              ( ~ ( in @ SY843 @ SV118 )
              | ~ ( in @ SY844 @ SV319 )
              | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
               != ( ordered_pair @ SY843 @ SY844 ) ) )
          | ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2051]) ).

thf(2157,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                    | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
              | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
               != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) )
          | ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2052]) ).

thf(2158,plain,
    ! [SV353: $i,SV320: $i,SV118: $i] :
      ( ( ( ~ ! [SY845: $i] :
                ( ! [SY817: $i,SY818: $i] :
                    ( ~ ( in @ SY817 @ SV118 )
                    | ~ ( in @ SY818 @ SV320 )
                    | ( SY845
                     != ( ordered_pair @ SY817 @ SY818 ) ) )
                | ( in @ SY845 @ SV353 ) ) )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2053]) ).

thf(2159,plain,
    ! [SV118: $i,SV320: $i,SV353: $i] :
      ( ( ( ~ ! [SY848: $i] :
                ( ~ ( in @ SY848 @ SV353 )
                | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                          | ~ ( in @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
                    | ( SY848
                     != ( ordered_pair @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) ) ) ) ) )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2053]) ).

thf(2160,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                  | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                   != SV119 ) )
              | ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
                  | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
                   != SV323 ) ) ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2054]) ).

thf(2161,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
          | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
            = SV119 )
          | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
            = SV323 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2055]) ).

thf(2162,plain,
    ! [SV324: $i,SV119: $i,SV355: $i] :
      ( ( ( ~ ! [SY849: $i] :
                ( ~ ( in @ SY849 @ SV355 )
                | ( SY849 = SV119 )
                | ( SY849 = SV324 ) ) )
        = $false )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2056]) ).

thf(2163,plain,
    ! [SV324: $i,SV355: $i,SV119: $i] :
      ( ( ( ~ ~ ( ~ ! [SY850: $i] :
                      ( ( SY850 != SV119 )
                      | ( in @ SY850 @ SV355 ) )
                | ~ ! [SY851: $i] :
                      ( ( SY851 != SV324 )
                      | ( in @ SY851 @ SV355 ) ) ) )
        = $false )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2056]) ).

thf(2164,plain,
    ! [SV439: $i,SV428: $i,SV258: $i] :
      ( ( ( ( ( sK58_B @ SV258 )
           != ( ordered_pair @ SV428 @ SV439 ) ) )
        = $true )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2057]) ).

thf(2165,plain,
    ! [SV379: $i,SV429: $i] :
      ( ( ( ~ ( element @ SV429 @ SV379 ) )
        = $true )
      | ( ( in @ SV429 @ SV379 )
        = $true )
      | ( ( empty @ SV379 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2060]) ).

thf(2166,plain,
    ! [SV380: $i,SV430: $i] :
      ( ( ( ~ ( in @ SV430 @ SV380 ) )
        = $true )
      | ( ( element @ SV430 @ SV380 )
        = $true )
      | ( ( empty @ SV380 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2061]) ).

thf(2167,plain,
    ! [SV381: $i,SV440: $i] :
      ( ( ( ~ ( element @ SV440 @ SV381 )
          | ( empty @ SV440 ) )
        = $true )
      | ( ( empty @ SV381 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2062]) ).

thf(2168,plain,
    ! [SV382: $i,SV441: $i] :
      ( ( ( ~ ( empty @ SV441 )
          | ( element @ SV441 @ SV382 ) )
        = $true )
      | ( ( empty @ SV382 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2063]) ).

thf(2169,plain,
    ! [SV442: $i,SV383: $i] :
      ( ( ( subset @ SV383 @ ( singleton @ SV442 ) )
        = $true )
      | ( ( SV383 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2064]) ).

thf(2170,plain,
    ! [SV410: $i,SV384: $i] :
      ( ( ( SV384
          = ( singleton @ SV410 ) )
        = $false )
      | ( ( subset @ SV384 @ ( singleton @ SV410 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2065]) ).

thf(2171,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ( ~ ! [SY913: $i] :
                ( ~ ( subset @ SY913 @ SV411 )
                | ( in @ SY913 @ ( sK44_SY413 @ SV411 @ SV121 ) ) )
          | ~ ( in @ ( sK44_SY413 @ SV411 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
        = $false )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2066]) ).

thf(2172,plain,
    ! [SV121: $i] :
      ( ( ! [SY647: $i,SY648: $i] :
            ( ~ ( in @ SY647 @ ( sK43_B @ SV121 ) )
            | ~ ( subset @ SY648 @ SY647 )
            | ( in @ SY648 @ ( sK43_B @ SV121 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2067]) ).

thf(2173,plain,
    ! [SV121: $i] :
      ( ( in @ SV121 @ ( sK43_B @ SV121 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[2068]) ).

thf(2174,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
                      | ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
                  | ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
              | ~ ( ! [SY921: $i] :
                      ( ~ ( in @ SY921 @ SV385 )
                      | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SY921 ) )
                  | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) ) ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2069]) ).

thf(2175,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( ( SV432
           != ( set_meet @ SV386 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY922: $i] :
                    ( ~ ( ~ ( in @ ( sK32_D @ SY922 @ SV432 @ SV386 ) @ SV386 )
                        | ~ ~ ( in @ SY922 @ ( sK32_D @ SY922 @ SV432 @ SV386 ) ) )
                    | ( in @ SY922 @ SV432 ) )
              | ~ ! [SY923: $i] :
                    ( ~ ( in @ SY923 @ SV432 )
                    | ! [SY890: $i] :
                        ( ~ ( in @ SY890 @ SV386 )
                        | ( in @ SY923 @ SY890 ) ) ) ) )
        = $true )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2070]) ).

thf(2176,plain,
    ! [SV387: $i,SV443: $i] :
      ( ( ( ( SV443
           != ( set_meet @ SV387 ) )
          | ( SV443 = empty_set ) )
        = $true )
      | ( ( SV387 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2071]) ).

thf(2177,plain,
    ! [SV388: $i,SV444: $i] :
      ( ( ( ( SV444 != empty_set )
          | ( SV444
            = ( set_meet @ SV388 ) ) )
        = $true )
      | ( ( SV388 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2072]) ).

thf(2178,plain,
    ! [SV412: $i,SV389: $i] :
      ( ( ( SV389 = SV412 )
        = $false )
      | ( ( subset @ SV389 @ SV412 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2074]) ).

thf(2179,plain,
    ! [SV413: $i,SV390: $i] :
      ( ( ( SV390 = SV413 )
        = $false )
      | ( ( subset @ SV413 @ SV390 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2075]) ).

thf(2180,plain,
    ! [SV414: $i,SV391: $i] :
      ( ( ( proper_subset @ SV391 @ SV414 )
        = $false )
      | ( ( ( SV391 != SV414 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2078]) ).

thf(2181,plain,
    ! [SV415: $i,SV392: $i] :
      ( ( ( proper_subset @ SV392 @ SV415 )
        = $false )
      | ( ( subset @ SV392 @ SV415 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2079]) ).

thf(2182,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
          | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
          | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2082]) ).

thf(2183,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
                  | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
              | ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
                  | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2083]) ).

thf(2184,plain,
    ! [SV357: $i,SV334: $i,SV125: $i] :
      ( ( ( ~ ! [SY852: $i] :
                ( ~ ( in @ SY852 @ SV125 )
                | ~ ( in @ SY852 @ SV334 )
                | ( in @ SY852 @ SV357 ) ) )
        = $false )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2084]) ).

thf(2185,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( ~ ~ ( ~ ! [SY853: $i] :
                      ( ~ ( in @ SY853 @ SV357 )
                      | ( in @ SY853 @ SV125 ) )
                | ~ ! [SY854: $i] :
                      ( ~ ( in @ SY854 @ SV357 )
                      | ( in @ SY854 @ SV334 ) ) ) )
        = $false )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2084]) ).

thf(2186,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ~ ( ! [SY897: $i] :
                  ~ ( in @ ( ordered_pair @ SY897 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
              | ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) ) )
        = $false )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2085]) ).

thf(2187,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SV393 @ SV126 ) @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
              | ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) ) )
        = $false )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2085]) ).

thf(2188,plain,
    ! [SV394: $i,SV126: $i] :
      ( ( ( ~ ! [SY898: $i] :
                ( ! [SY661: $i] :
                    ~ ( in @ ( ordered_pair @ SY661 @ SY898 ) @ SV126 )
                | ( in @ SY898 @ SV394 ) )
          | ~ ! [SY900: $i] :
                ( ~ ( in @ SY900 @ SV394 )
                | ( in @ ( ordered_pair @ ( sK47_D @ SY900 @ SV394 @ SV126 ) @ SY900 ) @ SV126 ) ) )
        = $false )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2086]) ).

thf(2189,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ! [SY830: $i] :
              ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SY830 )
              | ~ ( in @ SY830 @ SV271 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2087]) ).

thf(2190,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
              | ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) ) )
        = $true )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2088]) ).

thf(2191,plain,
    ! [SV336: $i,SV272: $i] :
      ( ( ( ! [SY831: $i] :
              ( ! [SY778: $i] :
                  ( ~ ( in @ SY831 @ SY778 )
                  | ~ ( in @ SY778 @ SV272 ) )
              | ( in @ SY831 @ SV336 ) ) )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2089]) ).

thf(2192,plain,
    ! [SV272: $i,SV336: $i] :
      ( ( ( ! [SY833: $i] :
              ( ~ ( in @ SY833 @ SV336 )
              | ~ ( ~ ( in @ SY833 @ ( sK16_D @ SY833 @ SV336 @ SV272 ) )
                  | ~ ( in @ ( sK16_D @ SY833 @ SV336 @ SV272 ) @ SV272 ) ) ) )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2090]) ).

thf(2193,plain,
    ! [SV445: $i,SV395: $i] :
      ( ( ( subset @ SV395 @ ( singleton @ SV445 ) )
        = $true )
      | ( ( SV395 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2091]) ).

thf(2194,plain,
    ! [SV416: $i,SV396: $i] :
      ( ( ( SV396
          = ( singleton @ SV416 ) )
        = $false )
      | ( ( subset @ SV396 @ ( singleton @ SV416 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2092]) ).

thf(2195,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
          | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 ) )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2095]) ).

thf(2196,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
              | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
          | ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
              | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2096]) ).

thf(2197,plain,
    ! [SV340: $i,SV281: $i,SV99: $i] :
      ( ( ( ! [SY834: $i] :
              ( ~ ( in @ SY834 @ SV99 )
              | ( in @ SY834 @ SV281 )
              | ( in @ SY834 @ SV340 ) ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2097]) ).

thf(2198,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( ~ ( ~ ! [SY835: $i] :
                    ( ~ ( in @ SY835 @ SV340 )
                    | ( in @ SY835 @ SV99 ) )
              | ~ ! [SY836: $i] :
                    ( ~ ( in @ SY836 @ SV340 )
                    | ~ ( in @ SY836 @ SV281 ) ) ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2098]) ).

thf(2199,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( ( sK31_C @ SV284 @ SV225 )
          = SV225 )
        = $false )
      | ( ( ~ ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 ) )
        = $true )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2101]) ).

thf(2200,plain,
    ! [SV285: $i,SV226: $i,SV446: $i] :
      ( ( ( ( SV446 != SV226 )
          | ( in @ SV446 @ SV285 ) )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2103]) ).

thf(2201,plain,
    ! [SV226: $i,SV285: $i,SV447: $i] :
      ( ( ( ~ ( in @ SV447 @ SV285 )
          | ( SV447 = SV226 ) )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2104]) ).

thf(2202,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ! [SY857: $i] :
              ~ ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SY857 ) @ SV100 )
          | ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
        = $true )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2105]) ).

thf(2203,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ ( sK21_SY396 @ SV361 @ SV100 ) ) @ SV100 )
          | ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
        = $true )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2106]) ).

thf(2204,plain,
    ! [SV362: $i,SV100: $i] :
      ( ( ( ~ ! [SY858: $i] :
                ( ! [SY528: $i] :
                    ~ ( in @ ( ordered_pair @ SY858 @ SY528 ) @ SV100 )
                | ( in @ SY858 @ SV362 ) ) )
        = $false )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2107]) ).

thf(2205,plain,
    ! [SV100: $i,SV362: $i] :
      ( ( ( ~ ! [SY860: $i] :
                ( ~ ( in @ SY860 @ SV362 )
                | ( in @ ( ordered_pair @ SY860 @ ( sK19_D @ SY860 @ SV362 @ SV100 ) ) @ SV100 ) ) )
        = $false )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2107]) ).

thf(2206,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
        = $false )
      | ( ( ~ ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 ) )
        = $true )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2108]) ).

thf(2207,plain,
    ! [SV232: $i,SV289: $i,SV448: $i] :
      ( ( ( ~ ( in @ SV448 @ SV289 )
          | ( subset @ SV448 @ SV232 ) )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2110]) ).

thf(2208,plain,
    ! [SV289: $i,SV232: $i,SV449: $i] :
      ( ( ( ~ ( subset @ SV449 @ SV232 )
          | ( in @ SV449 @ SV289 ) )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2111]) ).

thf(2209,plain,
    ! [SV418: $i,SV401: $i,SV102: $i] :
      ( ( ( subset @ ( unordered_pair @ SV102 @ SV401 ) @ SV418 )
        = $false )
      | ( ( in @ SV102 @ SV418 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2113]) ).

thf(2210,plain,
    ! [SV419: $i,SV402: $i,SV102: $i] :
      ( ( ( subset @ ( unordered_pair @ SV102 @ SV402 ) @ SV419 )
        = $false )
      | ( ( in @ SV402 @ SV419 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2114]) ).

thf(2211,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                  | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
              | ~ ~ ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                        | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) ) ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2115]) ).

thf(2212,plain,
    ! [SV364: $i,SV103: $i,SV404: $i] :
      ( ( ( ( SV404
           != ( relation_dom_restriction @ SV103 @ SV364 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY905: $i,SY906: $i] :
                    ( ~ ( in @ SY905 @ SV364 )
                    | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
                    | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) )
              | ~ ~ ( ~ ! [SY907: $i] :
                          ( ! [SY908: $i] :
                              ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                          | ( in @ SY907 @ SV364 ) )
                    | ~ ! [SY909: $i,SY910: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                          | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) ) )
        = $true )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2116]) ).

thf(2213,plain,
    ! [SV104: $i,SV405: $i,SV191: $i] :
      ( ( ( ~ ( disjoint @ SV191 @ SV405 ) )
        = $true )
      | ( ( subset @ SV191 @ ( subset_complement @ SV104 @ SV405 ) )
        = $true )
      | ( ( element @ SV405 @ ( powerset @ SV104 ) )
        = $false )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2117]) ).

thf(2214,plain,
    ! [SV406: $i,SV104: $i,SV191: $i] :
      ( ( ( ~ ( subset @ SV191 @ ( subset_complement @ SV104 @ SV406 ) ) )
        = $true )
      | ( ( disjoint @ SV191 @ SV406 )
        = $true )
      | ( ( element @ SV406 @ ( powerset @ SV104 ) )
        = $false )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2118]) ).

thf(2215,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
              | ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
              | ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) ) )
        = $false )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2119]) ).

thf(2216,plain,
    ! [SV366: $i,SV105: $i] :
      ( ( ( SV105 = SV366 )
        = $false )
      | ( ( ~ ( ~ ! [SY869: $i,SY870: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
                    | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) )
              | ~ ! [SY871: $i,SY872: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
                    | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) ) )
        = $true )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2120]) ).

thf(2217,plain,
    ! [SV367: $i,SV192: $i,SV342: $i,SV106: $i] :
      ( ( ( ~ ( in @ SV106 @ SV342 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV367 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SV367 ) )
        = $true )
      | ( ( relation @ SV367 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2121]) ).

thf(2218,plain,
    ! [SV420: $i,SV192: $i,SV106: $i,SV433: $i] :
      ( ( ( ~ ( relation @ SV433 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV420 ) @ SV433 ) )
          | ( in @ SV106 @ SV420 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2122]) ).

thf(2219,plain,
    ! [SV421: $i,SV192: $i,SV106: $i,SV434: $i] :
      ( ( ( ~ ( relation @ SV434 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV421 ) @ SV434 ) )
          | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV434 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2123]) ).

thf(2220,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( relation @ SV435 ) )
        = $true )
      | ( ( ~ ( ~ ( ! [SY925: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) ) )
          | ( SV435
            = ( relation_composition @ SV107 @ SV239 ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2124]) ).

thf(2221,plain,
    ! [SV239: $i,SV107: $i,SV436: $i] :
      ( ( ( ~ ( relation @ SV436 ) )
        = $true )
      | ( ( ( SV436
           != ( relation_composition @ SV107 @ SV239 ) )
          | ~ ( ~ ! [SY926: $i,SY927: $i] :
                    ( ! [SY735: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
                    | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) )
              | ~ ! [SY929: $i,SY930: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2125]) ).

thf(2222,plain,
    ! [SV343: $i,SV108: $i,SV368: $i,SV193: $i] :
      ( ( ( in @ SV193 @ SV368 )
        = $false )
      | ( ( in @ SV108 @ SV343 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV343 @ SV368 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2126]) ).

thf(2223,plain,
    ! [SV450: $i,SV422: $i,SV193: $i,SV108: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV422 @ SV450 ) ) )
        = $true )
      | ( ( in @ SV108 @ SV422 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2127]) ).

thf(2224,plain,
    ! [SV437: $i,SV423: $i,SV193: $i,SV108: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV423 @ SV437 ) ) )
        = $true )
      | ( ( in @ SV193 @ SV437 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2128]) ).

thf(2225,plain,
    ! [SV370: $i,SV110: $i] :
      ( ( ( subset @ SV110 @ SV370 )
        = $false )
      | ( ( subset @ ( relation_dom @ SV110 ) @ ( relation_dom @ SV370 ) )
        = $true )
      | ( ( relation @ SV370 )
        = $false )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2131]) ).

thf(2226,plain,
    ! [SV371: $i,SV110: $i] :
      ( ( ( subset @ SV110 @ SV371 )
        = $false )
      | ( ( subset @ ( relation_rng @ SV110 ) @ ( relation_rng @ SV371 ) )
        = $true )
      | ( ( relation @ SV371 )
        = $false )
      | ( ( relation @ SV110 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2132]) ).

thf(2227,plain,
    ! [SV372: $i,SV302: $i,SV245: $i] :
      ( ( ( disjoint @ SV245 @ SV302 )
        = $false )
      | ( ( in @ SV372 @ SV245 )
        = $false )
      | ( ( in @ SV372 @ SV302 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2133]) ).

thf(2228,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
              | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
          | ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
              | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2134]) ).

thf(2229,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
        = $true )
      | ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
          | ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2135]) ).

thf(2230,plain,
    ! [SV306: $i,SV111: $i,SV347: $i] :
      ( ( ( ! [SY839: $i] :
              ( ~ ( in @ SY839 @ SV347 )
              | ( in @ SY839 @ SV111 )
              | ( in @ SY839 @ SV306 ) ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2136]) ).

thf(2231,plain,
    ! [SV306: $i,SV347: $i,SV111: $i] :
      ( ( ( ~ ( ~ ! [SY840: $i] :
                    ( ~ ( in @ SY840 @ SV111 )
                    | ( in @ SY840 @ SV347 ) )
              | ~ ! [SY841: $i] :
                    ( ~ ( in @ SY841 @ SV306 )
                    | ( in @ SY841 @ SV347 ) ) ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2137]) ).

thf(2232,plain,
    ! [SV112: $i,SV451: $i] :
      ( ( ! [SY931: $i] :
            ( ~ ( in @ SV451 @ ( sK41_B @ SV112 ) )
            | ~ ( subset @ SY931 @ SV451 )
            | ( in @ SY931 @ ( sK41_B @ SV112 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2139]) ).

thf(2233,plain,
    ! [SV348: $i,SV113: $i,SV373: $i,SV194: $i] :
      ( ( ( in @ SV194 @ SV373 )
        = $false )
      | ( ( in @ SV113 @ SV348 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV348 @ SV373 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2141]) ).

thf(2234,plain,
    ! [SV452: $i,SV424: $i,SV194: $i,SV113: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV424 @ SV452 ) ) )
        = $true )
      | ( ( in @ SV113 @ SV424 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2142]) ).

thf(2235,plain,
    ! [SV438: $i,SV425: $i,SV194: $i,SV113: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV425 @ SV438 ) ) )
        = $true )
      | ( ( in @ SV194 @ SV438 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2143]) ).

thf(2236,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV114 )
          | ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 ) )
        = $false )
      | ( ( subset @ SV114 @ SV374 )
        = $true )
      | ( ( relation @ SV374 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2144]) ).

thf(2237,plain,
    ! [SV375: $i,SV114: $i] :
      ( ( ( subset @ SV114 @ SV375 )
        = $false )
      | ( ( ! [SY873: $i,SY874: $i] :
              ( ~ ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV114 )
              | ( in @ ( ordered_pair @ SY873 @ SY874 ) @ SV375 ) ) )
        = $true )
      | ( ( relation @ SV375 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2145]) ).

thf(2238,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
              | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
              | ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) ) )
        = $false )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2146]) ).

thf(2239,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY875: $i,SY876: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
                    | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) )
              | ~ ! [SY877: $i,SY878: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
                    | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) ) )
        = $true )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2147]) ).

thf(2240,plain,
    ! [SV349: $i,SV312: $i,SV116: $i] :
      ( ( ( in @ SV116 @ SV312 )
        = $false )
      | ( ( ~ ( in @ SV116 @ ( relation_dom @ SV349 ) ) )
        = $true )
      | ( ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV349 @ SV312 ) ) )
        = $true )
      | ( ( relation @ SV349 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2148]) ).

thf(2241,plain,
    ! [SV408: $i,SV116: $i,SV426: $i] :
      ( ( ( relation @ SV426 )
        = $false )
      | ( ( ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV426 @ SV408 ) ) )
          | ( in @ SV116 @ SV408 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2149]) ).

thf(2242,plain,
    ! [SV409: $i,SV116: $i,SV427: $i] :
      ( ( ( relation @ SV427 )
        = $false )
      | ( ( ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV427 @ SV409 ) ) )
          | ( in @ SV116 @ ( relation_dom @ SV427 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2150]) ).

thf(2243,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ( ( sK35_C @ SV315 @ SV252 )
           != ( sK36_SY405 @ SV315 @ SV252 ) )
          | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
          | ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2153]) ).

thf(2244,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                    = ( sK36_SY405 @ SV315 @ SV252 ) )
                  | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
              | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
                  | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2154]) ).

thf(2245,plain,
    ! [SV316: $i,SV253: $i] :
      ( ( ( ~ ! [SY806: $i,SY807: $i] :
                ( ( SY806 != SY807 )
                | ~ ( in @ SY806 @ SV253 )
                | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) ) )
        = $false )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2155]) ).

thf(2246,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ~ ~ ( ~ ! [SY808: $i,SY809: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                      | ( SY808 = SY809 ) )
                | ~ ! [SY810: $i] :
                      ( ! [SY811: $i] :
                          ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                      | ( in @ SY810 @ SV253 ) ) ) )
        = $false )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2155]) ).

thf(2247,plain,
    ! [SV352: $i,SV319: $i,SV118: $i] :
      ( ( ( ! [SY843: $i,SY844: $i] :
              ( ~ ( in @ SY843 @ SV118 )
              | ~ ( in @ SY844 @ SV319 )
              | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
               != ( ordered_pair @ SY843 @ SY844 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2156]) ).

thf(2248,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                    | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
              | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
               != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2157]) ).

thf(2249,plain,
    ! [SV353: $i,SV320: $i,SV118: $i] :
      ( ( ( ! [SY845: $i] :
              ( ! [SY817: $i,SY818: $i] :
                  ( ~ ( in @ SY817 @ SV118 )
                  | ~ ( in @ SY818 @ SV320 )
                  | ( SY845
                   != ( ordered_pair @ SY817 @ SY818 ) ) )
              | ( in @ SY845 @ SV353 ) ) )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2158]) ).

thf(2250,plain,
    ! [SV118: $i,SV320: $i,SV353: $i] :
      ( ( ( ! [SY848: $i] :
              ( ~ ( in @ SY848 @ SV353 )
              | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                        | ~ ( in @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
                  | ( SY848
                   != ( ordered_pair @ ( sK23_E @ SY848 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SY848 @ SV353 @ SV320 @ SV118 ) ) ) ) ) )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2159]) ).

thf(2251,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
               != SV119 ) )
          | ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
               != SV323 ) ) )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2160]) ).

thf(2252,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
        = $true )
      | ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
            = SV119 )
          | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
            = SV323 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2161]) ).

thf(2253,plain,
    ! [SV324: $i,SV119: $i,SV355: $i] :
      ( ( ( ! [SY849: $i] :
              ( ~ ( in @ SY849 @ SV355 )
              | ( SY849 = SV119 )
              | ( SY849 = SV324 ) ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2162]) ).

thf(2254,plain,
    ! [SV324: $i,SV355: $i,SV119: $i] :
      ( ( ( ~ ( ~ ! [SY850: $i] :
                    ( ( SY850 != SV119 )
                    | ( in @ SY850 @ SV355 ) )
              | ~ ! [SY851: $i] :
                    ( ( SY851 != SV324 )
                    | ( in @ SY851 @ SV355 ) ) ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2163]) ).

thf(2255,plain,
    ! [SV439: $i,SV428: $i,SV258: $i] :
      ( ( ( ( sK58_B @ SV258 )
          = ( ordered_pair @ SV428 @ SV439 ) )
        = $false )
      | ( ( relation @ SV258 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2164]) ).

thf(2256,plain,
    ! [SV379: $i,SV429: $i] :
      ( ( ( element @ SV429 @ SV379 )
        = $false )
      | ( ( in @ SV429 @ SV379 )
        = $true )
      | ( ( empty @ SV379 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2165]) ).

thf(2257,plain,
    ! [SV380: $i,SV430: $i] :
      ( ( ( in @ SV430 @ SV380 )
        = $false )
      | ( ( element @ SV430 @ SV380 )
        = $true )
      | ( ( empty @ SV380 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2166]) ).

thf(2258,plain,
    ! [SV381: $i,SV440: $i] :
      ( ( ( ~ ( element @ SV440 @ SV381 ) )
        = $true )
      | ( ( empty @ SV440 )
        = $true )
      | ( ( empty @ SV381 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2167]) ).

thf(2259,plain,
    ! [SV382: $i,SV441: $i] :
      ( ( ( ~ ( empty @ SV441 ) )
        = $true )
      | ( ( element @ SV441 @ SV382 )
        = $true )
      | ( ( empty @ SV382 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2168]) ).

thf(2260,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ( ~ ! [SY913: $i] :
                ( ~ ( subset @ SY913 @ SV411 )
                | ( in @ SY913 @ ( sK44_SY413 @ SV411 @ SV121 ) ) ) )
        = $false )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2171]) ).

thf(2261,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ( ~ ( in @ ( sK44_SY413 @ SV411 @ SV121 ) @ ( sK43_B @ SV121 ) ) )
        = $false )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2171]) ).

thf(2262,plain,
    ! [SV121: $i,SV453: $i] :
      ( ( ! [SY932: $i] :
            ( ~ ( in @ SV453 @ ( sK43_B @ SV121 ) )
            | ~ ( subset @ SY932 @ SV453 )
            | ( in @ SY932 @ ( sK43_B @ SV121 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2172]) ).

thf(2263,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
                  | ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
              | ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
          | ~ ( ! [SY921: $i] :
                  ( ~ ( in @ SY921 @ SV385 )
                  | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SY921 ) )
              | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) ) )
        = $false )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2174]) ).

thf(2264,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY922: $i] :
                    ( ~ ( ~ ( in @ ( sK32_D @ SY922 @ SV432 @ SV386 ) @ SV386 )
                        | ~ ~ ( in @ SY922 @ ( sK32_D @ SY922 @ SV432 @ SV386 ) ) )
                    | ( in @ SY922 @ SV432 ) )
              | ~ ! [SY923: $i] :
                    ( ~ ( in @ SY923 @ SV432 )
                    | ! [SY890: $i] :
                        ( ~ ( in @ SY890 @ SV386 )
                        | ( in @ SY923 @ SY890 ) ) ) ) )
        = $true )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2175]) ).

thf(2265,plain,
    ! [SV387: $i,SV443: $i] :
      ( ( ( ( SV443
           != ( set_meet @ SV387 ) ) )
        = $true )
      | ( ( SV443 = empty_set )
        = $true )
      | ( ( SV387 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2176]) ).

thf(2266,plain,
    ! [SV388: $i,SV444: $i] :
      ( ( ( ( SV444 != empty_set ) )
        = $true )
      | ( ( SV444
          = ( set_meet @ SV388 ) )
        = $true )
      | ( ( SV388 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2177]) ).

thf(2267,plain,
    ! [SV414: $i,SV391: $i] :
      ( ( ( SV391 = SV414 )
        = $false )
      | ( ( proper_subset @ SV391 @ SV414 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2180]) ).

thf(2268,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
          | ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 ) )
        = $true )
      | ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2182]) ).

thf(2269,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
              | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
          | ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
              | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) )
        = $false )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2183]) ).

thf(2270,plain,
    ! [SV357: $i,SV334: $i,SV125: $i] :
      ( ( ( ! [SY852: $i] :
              ( ~ ( in @ SY852 @ SV125 )
              | ~ ( in @ SY852 @ SV334 )
              | ( in @ SY852 @ SV357 ) ) )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2184]) ).

thf(2271,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( ~ ( ~ ! [SY853: $i] :
                    ( ~ ( in @ SY853 @ SV357 )
                    | ( in @ SY853 @ SV125 ) )
              | ~ ! [SY854: $i] :
                    ( ~ ( in @ SY854 @ SV357 )
                    | ( in @ SY854 @ SV334 ) ) ) )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2185]) ).

thf(2272,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ! [SY897: $i] :
              ~ ( in @ ( ordered_pair @ SY897 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
          | ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2186]) ).

thf(2273,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SV393 @ SV126 ) @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
          | ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2187]) ).

thf(2274,plain,
    ! [SV394: $i,SV126: $i] :
      ( ( ( ~ ! [SY898: $i] :
                ( ! [SY661: $i] :
                    ~ ( in @ ( ordered_pair @ SY661 @ SY898 ) @ SV126 )
                | ( in @ SY898 @ SV394 ) ) )
        = $false )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2188]) ).

thf(2275,plain,
    ! [SV126: $i,SV394: $i] :
      ( ( ( ~ ! [SY900: $i] :
                ( ~ ( in @ SY900 @ SV394 )
                | ( in @ ( ordered_pair @ ( sK47_D @ SY900 @ SV394 @ SV126 ) @ SY900 ) @ SV126 ) ) )
        = $false )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2188]) ).

thf(2276,plain,
    ! [SV454: $i,SV271: $i,SV335: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV454 )
          | ~ ( in @ SV454 @ SV271 ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2189]) ).

thf(2277,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
          | ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) )
        = $false )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2190]) ).

thf(2278,plain,
    ! [SV336: $i,SV272: $i,SV455: $i] :
      ( ( ( ! [SY933: $i] :
              ( ~ ( in @ SV455 @ SY933 )
              | ~ ( in @ SY933 @ SV272 ) )
          | ( in @ SV455 @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2191]) ).

thf(2279,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( ~ ( in @ SV456 @ SV336 )
          | ~ ( ~ ( in @ SV456 @ ( sK16_D @ SV456 @ SV336 @ SV272 ) )
              | ~ ( in @ ( sK16_D @ SV456 @ SV336 @ SV272 ) @ SV272 ) ) )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2192]) ).

thf(2280,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 ) )
        = $true )
      | ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2195]) ).

thf(2281,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
              | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2196]) ).

thf(2282,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
              | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) ) )
        = $false )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2196]) ).

thf(2283,plain,
    ! [SV340: $i,SV281: $i,SV99: $i,SV457: $i] :
      ( ( ( ~ ( in @ SV457 @ SV99 )
          | ( in @ SV457 @ SV281 )
          | ( in @ SV457 @ SV340 ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2197]) ).

thf(2284,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( ~ ! [SY835: $i] :
                ( ~ ( in @ SY835 @ SV340 )
                | ( in @ SY835 @ SV99 ) )
          | ~ ! [SY836: $i] :
                ( ~ ( in @ SY836 @ SV340 )
                | ~ ( in @ SY836 @ SV281 ) ) )
        = $false )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2198]) ).

thf(2285,plain,
    ! [SV225: $i,SV284: $i] :
      ( ( ( in @ ( sK31_C @ SV284 @ SV225 ) @ SV284 )
        = $false )
      | ( ( ( sK31_C @ SV284 @ SV225 )
          = SV225 )
        = $false )
      | ( ( SV284
          = ( singleton @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2199]) ).

thf(2286,plain,
    ! [SV285: $i,SV226: $i,SV446: $i] :
      ( ( ( ( SV446 != SV226 ) )
        = $true )
      | ( ( in @ SV446 @ SV285 )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2200]) ).

thf(2287,plain,
    ! [SV226: $i,SV285: $i,SV447: $i] :
      ( ( ( ~ ( in @ SV447 @ SV285 ) )
        = $true )
      | ( ( SV447 = SV226 )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2201]) ).

thf(2288,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( ! [SY857: $i] :
              ~ ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SY857 ) @ SV100 ) )
        = $true )
      | ( ( ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
        = $true )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2202]) ).

thf(2289,plain,
    ! [SV100: $i,SV361: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ ( sK21_SY396 @ SV361 @ SV100 ) ) @ SV100 )
        = $true )
      | ( ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 )
        = $true )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2203]) ).

thf(2290,plain,
    ! [SV362: $i,SV100: $i] :
      ( ( ( ! [SY858: $i] :
              ( ! [SY528: $i] :
                  ~ ( in @ ( ordered_pair @ SY858 @ SY528 ) @ SV100 )
              | ( in @ SY858 @ SV362 ) ) )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2204]) ).

thf(2291,plain,
    ! [SV100: $i,SV362: $i] :
      ( ( ( ! [SY860: $i] :
              ( ~ ( in @ SY860 @ SV362 )
              | ( in @ ( ordered_pair @ SY860 @ ( sK19_D @ SY860 @ SV362 @ SV100 ) ) @ SV100 ) ) )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2205]) ).

thf(2292,plain,
    ! [SV231: $i,SV288: $i] :
      ( ( ( subset @ ( sK55_C @ SV288 @ SV231 ) @ SV231 )
        = $false )
      | ( ( in @ ( sK55_C @ SV288 @ SV231 ) @ SV288 )
        = $false )
      | ( ( SV288
          = ( powerset @ SV231 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2206]) ).

thf(2293,plain,
    ! [SV232: $i,SV289: $i,SV448: $i] :
      ( ( ( ~ ( in @ SV448 @ SV289 ) )
        = $true )
      | ( ( subset @ SV448 @ SV232 )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2207]) ).

thf(2294,plain,
    ! [SV289: $i,SV232: $i,SV449: $i] :
      ( ( ( ~ ( subset @ SV449 @ SV232 ) )
        = $true )
      | ( ( in @ SV449 @ SV289 )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2208]) ).

thf(2295,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
              | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
              | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
          | ~ ~ ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                    | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
                | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                    | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) ) )
        = $false )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2211]) ).

thf(2296,plain,
    ! [SV364: $i,SV103: $i,SV404: $i] :
      ( ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY905: $i,SY906: $i] :
                    ( ~ ( in @ SY905 @ SV364 )
                    | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
                    | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) )
              | ~ ~ ( ~ ! [SY907: $i] :
                          ( ! [SY908: $i] :
                              ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                          | ( in @ SY907 @ SV364 ) )
                    | ~ ! [SY909: $i,SY910: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                          | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) ) )
        = $true )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2212]) ).

thf(2297,plain,
    ! [SV104: $i,SV405: $i,SV191: $i] :
      ( ( ( disjoint @ SV191 @ SV405 )
        = $false )
      | ( ( subset @ SV191 @ ( subset_complement @ SV104 @ SV405 ) )
        = $true )
      | ( ( element @ SV405 @ ( powerset @ SV104 ) )
        = $false )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2213]) ).

thf(2298,plain,
    ! [SV406: $i,SV104: $i,SV191: $i] :
      ( ( ( subset @ SV191 @ ( subset_complement @ SV104 @ SV406 ) )
        = $false )
      | ( ( disjoint @ SV191 @ SV406 )
        = $true )
      | ( ( element @ SV406 @ ( powerset @ SV104 ) )
        = $false )
      | ( ( element @ SV191 @ ( powerset @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2214]) ).

thf(2299,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
              | ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) ) )
        = $false )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2215]) ).

thf(2300,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
              | ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) ) )
        = $false )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2215]) ).

thf(2301,plain,
    ! [SV366: $i,SV105: $i] :
      ( ( ( ~ ! [SY869: $i,SY870: $i] :
                ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
                | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) )
          | ~ ! [SY871: $i,SY872: $i] :
                ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
                | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) )
        = $false )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2216]) ).

thf(2302,plain,
    ! [SV367: $i,SV192: $i,SV342: $i,SV106: $i] :
      ( ( ( in @ SV106 @ SV342 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV367 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SV367 ) )
        = $true )
      | ( ( relation @ SV367 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2217]) ).

thf(2303,plain,
    ! [SV420: $i,SV192: $i,SV106: $i,SV433: $i] :
      ( ( ( relation @ SV433 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV420 ) @ SV433 ) )
          | ( in @ SV106 @ SV420 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2218]) ).

thf(2304,plain,
    ! [SV421: $i,SV192: $i,SV106: $i,SV434: $i] :
      ( ( ( relation @ SV434 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV421 ) @ SV434 ) )
          | ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV434 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2219]) ).

thf(2305,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( relation @ SV435 )
        = $false )
      | ( ( ~ ( ~ ( ! [SY925: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) ) )
          | ( SV435
            = ( relation_composition @ SV107 @ SV239 ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2220]) ).

thf(2306,plain,
    ! [SV239: $i,SV107: $i,SV436: $i] :
      ( ( ( relation @ SV436 )
        = $false )
      | ( ( ( SV436
           != ( relation_composition @ SV107 @ SV239 ) )
          | ~ ( ~ ! [SY926: $i,SY927: $i] :
                    ( ! [SY735: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
                    | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) )
              | ~ ! [SY929: $i,SY930: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) ) )
        = $true )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2221]) ).

thf(2307,plain,
    ! [SV450: $i,SV422: $i,SV193: $i,SV108: $i] :
      ( ( ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV422 @ SV450 ) )
        = $false )
      | ( ( in @ SV108 @ SV422 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2223]) ).

thf(2308,plain,
    ! [SV437: $i,SV423: $i,SV193: $i,SV108: $i] :
      ( ( ( in @ ( ordered_pair @ SV108 @ SV193 ) @ ( cartesian_product2 @ SV423 @ SV437 ) )
        = $false )
      | ( ( in @ SV193 @ SV437 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2224]) ).

thf(2309,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
              | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) ) )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2228]) ).

thf(2310,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
              | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) ) )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2228]) ).

thf(2311,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
        = $true )
      | ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 )
        = $true )
      | ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2229]) ).

thf(2312,plain,
    ! [SV306: $i,SV111: $i,SV347: $i,SV458: $i] :
      ( ( ( ~ ( in @ SV458 @ SV347 )
          | ( in @ SV458 @ SV111 )
          | ( in @ SV458 @ SV306 ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2230]) ).

thf(2313,plain,
    ! [SV306: $i,SV347: $i,SV111: $i] :
      ( ( ( ~ ! [SY840: $i] :
                ( ~ ( in @ SY840 @ SV111 )
                | ( in @ SY840 @ SV347 ) )
          | ~ ! [SY841: $i] :
                ( ~ ( in @ SY841 @ SV306 )
                | ( in @ SY841 @ SV347 ) ) )
        = $false )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2231]) ).

thf(2314,plain,
    ! [SV459: $i,SV112: $i,SV451: $i] :
      ( ( ~ ( in @ SV451 @ ( sK41_B @ SV112 ) )
        | ~ ( subset @ SV459 @ SV451 )
        | ( in @ SV459 @ ( sK41_B @ SV112 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2232]) ).

thf(2315,plain,
    ! [SV452: $i,SV424: $i,SV194: $i,SV113: $i] :
      ( ( ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV424 @ SV452 ) )
        = $false )
      | ( ( in @ SV113 @ SV424 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2234]) ).

thf(2316,plain,
    ! [SV438: $i,SV425: $i,SV194: $i,SV113: $i] :
      ( ( ( in @ ( ordered_pair @ SV113 @ SV194 ) @ ( cartesian_product2 @ SV425 @ SV438 ) )
        = $false )
      | ( ( in @ SV194 @ SV438 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2235]) ).

thf(2317,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV114 ) )
        = $false )
      | ( ( subset @ SV114 @ SV374 )
        = $true )
      | ( ( relation @ SV374 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2236]) ).

thf(2318,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( ~ ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 ) )
        = $false )
      | ( ( subset @ SV114 @ SV374 )
        = $true )
      | ( ( relation @ SV374 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2236]) ).

thf(2319,plain,
    ! [SV375: $i,SV114: $i,SV460: $i] :
      ( ( ( ! [SY934: $i] :
              ( ~ ( in @ ( ordered_pair @ SV460 @ SY934 ) @ SV114 )
              | ( in @ ( ordered_pair @ SV460 @ SY934 ) @ SV375 ) ) )
        = $true )
      | ( ( subset @ SV114 @ SV375 )
        = $false )
      | ( ( relation @ SV375 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2237]) ).

thf(2320,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
              | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) ) )
        = $false )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2238]) ).

thf(2321,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
              | ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) ) )
        = $false )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2238]) ).

thf(2322,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( ~ ! [SY875: $i,SY876: $i] :
                ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
                | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) )
          | ~ ! [SY877: $i,SY878: $i] :
                ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
                | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) )
        = $false )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2239]) ).

thf(2323,plain,
    ! [SV312: $i,SV349: $i,SV116: $i] :
      ( ( ( in @ SV116 @ ( relation_dom @ SV349 ) )
        = $false )
      | ( ( in @ SV116 @ SV312 )
        = $false )
      | ( ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV349 @ SV312 ) ) )
        = $true )
      | ( ( relation @ SV349 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2240]) ).

thf(2324,plain,
    ! [SV408: $i,SV426: $i,SV116: $i] :
      ( ( ( ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV426 @ SV408 ) ) ) )
        = $true )
      | ( ( in @ SV116 @ SV408 )
        = $true )
      | ( ( relation @ SV426 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2241]) ).

thf(2325,plain,
    ! [SV409: $i,SV427: $i,SV116: $i] :
      ( ( ( ~ ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV427 @ SV409 ) ) ) )
        = $true )
      | ( ( in @ SV116 @ ( relation_dom @ SV427 ) )
        = $true )
      | ( ( relation @ SV427 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2242]) ).

thf(2326,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ( ( sK35_C @ SV315 @ SV252 )
           != ( sK36_SY405 @ SV315 @ SV252 ) )
          | ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2243]) ).

thf(2327,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                = ( sK36_SY405 @ SV315 @ SV252 ) )
              | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
          | ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
              | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) )
        = $false )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2244]) ).

thf(2328,plain,
    ! [SV316: $i,SV253: $i] :
      ( ( ( ! [SY806: $i,SY807: $i] :
              ( ( SY806 != SY807 )
              | ~ ( in @ SY806 @ SV253 )
              | ( in @ ( ordered_pair @ SY806 @ SY807 ) @ SV316 ) ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2245]) ).

thf(2329,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ~ ( ~ ! [SY808: $i,SY809: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                    | ( SY808 = SY809 ) )
              | ~ ! [SY810: $i] :
                    ( ! [SY811: $i] :
                        ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                    | ( in @ SY810 @ SV253 ) ) ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2246]) ).

thf(2330,plain,
    ! [SV352: $i,SV319: $i,SV118: $i,SV461: $i] :
      ( ( ( ! [SY935: $i] :
              ( ~ ( in @ SV461 @ SV118 )
              | ~ ( in @ SY935 @ SV319 )
              | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
               != ( ordered_pair @ SV461 @ SY935 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2247]) ).

thf(2331,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
          | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
           != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) )
        = $false )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2248]) ).

thf(2332,plain,
    ! [SV353: $i,SV462: $i,SV320: $i,SV118: $i] :
      ( ( ( ! [SY936: $i,SY937: $i] :
              ( ~ ( in @ SY936 @ SV118 )
              | ~ ( in @ SY937 @ SV320 )
              | ( SV462
               != ( ordered_pair @ SY936 @ SY937 ) ) )
          | ( in @ SV462 @ SV353 ) )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2249]) ).

thf(2333,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ( in @ SV463 @ SV353 )
          | ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                    | ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
              | ( SV463
               != ( ordered_pair @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) ) ) ) )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2250]) ).

thf(2334,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
               != SV119 ) ) )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2251]) ).

thf(2335,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
              | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
               != SV323 ) ) )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2251]) ).

thf(2336,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
          = SV119 )
        = $true )
      | ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
          = SV323 )
        = $true )
      | ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2252]) ).

thf(2337,plain,
    ! [SV324: $i,SV119: $i,SV355: $i,SV464: $i] :
      ( ( ( ~ ( in @ SV464 @ SV355 )
          | ( SV464 = SV119 )
          | ( SV464 = SV324 ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2253]) ).

thf(2338,plain,
    ! [SV324: $i,SV355: $i,SV119: $i] :
      ( ( ( ~ ! [SY850: $i] :
                ( ( SY850 != SV119 )
                | ( in @ SY850 @ SV355 ) )
          | ~ ! [SY851: $i] :
                ( ( SY851 != SV324 )
                | ( in @ SY851 @ SV355 ) ) )
        = $false )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2254]) ).

thf(2339,plain,
    ! [SV381: $i,SV440: $i] :
      ( ( ( element @ SV440 @ SV381 )
        = $false )
      | ( ( empty @ SV440 )
        = $true )
      | ( ( empty @ SV381 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2258]) ).

thf(2340,plain,
    ! [SV382: $i,SV441: $i] :
      ( ( ( empty @ SV441 )
        = $false )
      | ( ( element @ SV441 @ SV382 )
        = $true )
      | ( ( empty @ SV382 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2259]) ).

thf(2341,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ( ! [SY913: $i] :
              ( ~ ( subset @ SY913 @ SV411 )
              | ( in @ SY913 @ ( sK44_SY413 @ SV411 @ SV121 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2260]) ).

thf(2342,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ( in @ ( sK44_SY413 @ SV411 @ SV121 ) @ ( sK43_B @ SV121 ) )
        = $true )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2261]) ).

thf(2343,plain,
    ! [SV465: $i,SV121: $i,SV453: $i] :
      ( ( ~ ( in @ SV453 @ ( sK43_B @ SV121 ) )
        | ~ ( subset @ SV465 @ SV453 )
        | ( in @ SV465 @ ( sK43_B @ SV121 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2262]) ).

thf(2344,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
                  | ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
              | ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) ) )
        = $false )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2263]) ).

thf(2345,plain,
    ! [SV431: $i,SV385: $i] :
      ( ( ( ~ ( ! [SY921: $i] :
                  ( ~ ( in @ SY921 @ SV385 )
                  | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SY921 ) )
              | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) ) )
        = $false )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2263]) ).

thf(2346,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( ~ ! [SY922: $i] :
                ( ~ ( ~ ( in @ ( sK32_D @ SY922 @ SV432 @ SV386 ) @ SV386 )
                    | ~ ~ ( in @ SY922 @ ( sK32_D @ SY922 @ SV432 @ SV386 ) ) )
                | ( in @ SY922 @ SV432 ) )
          | ~ ! [SY923: $i] :
                ( ~ ( in @ SY923 @ SV432 )
                | ! [SY890: $i] :
                    ( ~ ( in @ SY890 @ SV386 )
                    | ( in @ SY923 @ SY890 ) ) ) )
        = $false )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2264]) ).

thf(2347,plain,
    ! [SV387: $i,SV443: $i] :
      ( ( ( SV443
          = ( set_meet @ SV387 ) )
        = $false )
      | ( ( SV443 = empty_set )
        = $true )
      | ( ( SV387 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2265]) ).

thf(2348,plain,
    ! [SV388: $i,SV444: $i] :
      ( ( ( SV444 = empty_set )
        = $false )
      | ( ( SV444
          = ( set_meet @ SV388 ) )
        = $true )
      | ( ( SV388 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2266]) ).

thf(2349,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 ) )
        = $true )
      | ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 ) )
        = $true )
      | ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2268]) ).

thf(2350,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
              | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) )
        = $false )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2269]) ).

thf(2351,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ~ ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
              | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) ) )
        = $false )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2269]) ).

thf(2352,plain,
    ! [SV357: $i,SV334: $i,SV125: $i,SV466: $i] :
      ( ( ( ~ ( in @ SV466 @ SV125 )
          | ~ ( in @ SV466 @ SV334 )
          | ( in @ SV466 @ SV357 ) )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2270]) ).

thf(2353,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( ~ ! [SY853: $i] :
                ( ~ ( in @ SY853 @ SV357 )
                | ( in @ SY853 @ SV125 ) )
          | ~ ! [SY854: $i] :
                ( ~ ( in @ SY854 @ SV357 )
                | ( in @ SY854 @ SV334 ) ) )
        = $false )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2271]) ).

thf(2354,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( ! [SY897: $i] :
              ~ ( in @ ( ordered_pair @ SY897 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 ) )
        = $true )
      | ( ( ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2272]) ).

thf(2355,plain,
    ! [SV126: $i,SV393: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK49_SY419 @ SV393 @ SV126 ) @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
        = $true )
      | ( ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 )
        = $true )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2273]) ).

thf(2356,plain,
    ! [SV394: $i,SV126: $i] :
      ( ( ( ! [SY898: $i] :
              ( ! [SY661: $i] :
                  ~ ( in @ ( ordered_pair @ SY661 @ SY898 ) @ SV126 )
              | ( in @ SY898 @ SV394 ) ) )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2274]) ).

thf(2357,plain,
    ! [SV126: $i,SV394: $i] :
      ( ( ( ! [SY900: $i] :
              ( ~ ( in @ SY900 @ SV394 )
              | ( in @ ( ordered_pair @ ( sK47_D @ SY900 @ SV394 @ SV126 ) @ SY900 ) @ SV126 ) ) )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2275]) ).

thf(2358,plain,
    ! [SV454: $i,SV271: $i,SV335: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV454 ) )
        = $true )
      | ( ( ~ ( in @ SV454 @ SV271 ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2276]) ).

thf(2359,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) ) )
        = $false )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2277]) ).

thf(2360,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( ~ ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 ) )
        = $false )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2277]) ).

thf(2361,plain,
    ! [SV336: $i,SV272: $i,SV455: $i] :
      ( ( ( ! [SY933: $i] :
              ( ~ ( in @ SV455 @ SY933 )
              | ~ ( in @ SY933 @ SV272 ) ) )
        = $true )
      | ( ( in @ SV455 @ SV336 )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2278]) ).

thf(2362,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( ~ ( in @ SV456 @ SV336 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV456 @ ( sK16_D @ SV456 @ SV336 @ SV272 ) )
              | ~ ( in @ ( sK16_D @ SV456 @ SV336 @ SV272 ) @ SV272 ) ) )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2279]) ).

thf(2363,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
        = $false )
      | ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2280]) ).

thf(2364,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
          | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2281]) ).

thf(2365,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
          | ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 ) )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2282]) ).

thf(2366,plain,
    ! [SV340: $i,SV281: $i,SV99: $i,SV457: $i] :
      ( ( ( ~ ( in @ SV457 @ SV99 )
          | ( in @ SV457 @ SV281 ) )
        = $true )
      | ( ( in @ SV457 @ SV340 )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2283]) ).

thf(2367,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( ~ ! [SY835: $i] :
                ( ~ ( in @ SY835 @ SV340 )
                | ( in @ SY835 @ SV99 ) ) )
        = $false )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2284]) ).

thf(2368,plain,
    ! [SV99: $i,SV281: $i,SV340: $i] :
      ( ( ( ~ ! [SY836: $i] :
                ( ~ ( in @ SY836 @ SV340 )
                | ~ ( in @ SY836 @ SV281 ) ) )
        = $false )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2284]) ).

thf(2369,plain,
    ! [SV285: $i,SV226: $i,SV446: $i] :
      ( ( ( SV446 = SV226 )
        = $false )
      | ( ( in @ SV446 @ SV285 )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2286]) ).

thf(2370,plain,
    ! [SV226: $i,SV285: $i,SV447: $i] :
      ( ( ( in @ SV447 @ SV285 )
        = $false )
      | ( ( SV447 = SV226 )
        = $true )
      | ( ( SV285
          = ( singleton @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2287]) ).

thf(2371,plain,
    ! [SV467: $i,SV100: $i,SV361: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SV467 ) @ SV100 ) )
        = $true )
      | ( ( ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
        = $true )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2288]) ).

thf(2372,plain,
    ! [SV362: $i,SV100: $i,SV468: $i] :
      ( ( ( ! [SY938: $i] :
              ~ ( in @ ( ordered_pair @ SV468 @ SY938 ) @ SV100 )
          | ( in @ SV468 @ SV362 ) )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2290]) ).

thf(2373,plain,
    ! [SV100: $i,SV362: $i,SV469: $i] :
      ( ( ( ~ ( in @ SV469 @ SV362 )
          | ( in @ ( ordered_pair @ SV469 @ ( sK19_D @ SV469 @ SV362 @ SV100 ) ) @ SV100 ) )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2291]) ).

thf(2374,plain,
    ! [SV232: $i,SV289: $i,SV448: $i] :
      ( ( ( in @ SV448 @ SV289 )
        = $false )
      | ( ( subset @ SV448 @ SV232 )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2293]) ).

thf(2375,plain,
    ! [SV289: $i,SV232: $i,SV449: $i] :
      ( ( ( subset @ SV449 @ SV232 )
        = $false )
      | ( ( in @ SV449 @ SV289 )
        = $true )
      | ( ( SV289
          = ( powerset @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2294]) ).

thf(2376,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
              | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
              | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) )
        = $false )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2295]) ).

thf(2377,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                    | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
                | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                    | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) ) )
        = $false )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2295]) ).

thf(2378,plain,
    ! [SV404: $i,SV103: $i,SV364: $i] :
      ( ( ( ~ ! [SY905: $i,SY906: $i] :
                ( ~ ( in @ SY905 @ SV364 )
                | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
                | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) )
          | ~ ~ ( ~ ! [SY907: $i] :
                      ( ! [SY908: $i] :
                          ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                      | ( in @ SY907 @ SV364 ) )
                | ~ ! [SY909: $i,SY910: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                      | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) )
        = $false )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2296]) ).

thf(2379,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
          | ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
        = $true )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2299]) ).

thf(2380,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
          | ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
        = $true )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2300]) ).

thf(2381,plain,
    ! [SV366: $i,SV105: $i] :
      ( ( ( ~ ! [SY869: $i,SY870: $i] :
                ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
                | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) ) )
        = $false )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2301]) ).

thf(2382,plain,
    ! [SV105: $i,SV366: $i] :
      ( ( ( ~ ! [SY871: $i,SY872: $i] :
                ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
                | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) )
        = $false )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2301]) ).

thf(2383,plain,
    ! [SV342: $i,SV367: $i,SV192: $i,SV106: $i] :
      ( ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV367 )
        = $false )
      | ( ( in @ SV106 @ SV342 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV342 ) @ SV367 ) )
        = $true )
      | ( ( relation @ SV367 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2302]) ).

thf(2384,plain,
    ! [SV433: $i,SV420: $i,SV192: $i,SV106: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV420 ) @ SV433 ) ) )
        = $true )
      | ( ( in @ SV106 @ SV420 )
        = $true )
      | ( ( relation @ SV433 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2303]) ).

thf(2385,plain,
    ! [SV434: $i,SV421: $i,SV192: $i,SV106: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV421 ) @ SV434 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV434 )
        = $true )
      | ( ( relation @ SV434 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2304]) ).

thf(2386,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( ~ ( ! [SY925: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) ) ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2305]) ).

thf(2387,plain,
    ! [SV239: $i,SV107: $i,SV436: $i] :
      ( ( ( ( SV436
           != ( relation_composition @ SV107 @ SV239 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY926: $i,SY927: $i] :
                    ( ! [SY735: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
                    | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) )
              | ~ ! [SY929: $i,SY930: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) ) )
        = $true )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2306]) ).

thf(2388,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
          | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2309]) ).

thf(2389,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
          | ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2310]) ).

thf(2390,plain,
    ! [SV306: $i,SV111: $i,SV347: $i,SV458: $i] :
      ( ( ( ~ ( in @ SV458 @ SV347 ) )
        = $true )
      | ( ( ( in @ SV458 @ SV111 )
          | ( in @ SV458 @ SV306 ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2312]) ).

thf(2391,plain,
    ! [SV306: $i,SV347: $i,SV111: $i] :
      ( ( ( ~ ! [SY840: $i] :
                ( ~ ( in @ SY840 @ SV111 )
                | ( in @ SY840 @ SV347 ) ) )
        = $false )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2313]) ).

thf(2392,plain,
    ! [SV111: $i,SV347: $i,SV306: $i] :
      ( ( ( ~ ! [SY841: $i] :
                ( ~ ( in @ SY841 @ SV306 )
                | ( in @ SY841 @ SV347 ) ) )
        = $false )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2313]) ).

thf(2393,plain,
    ! [SV459: $i,SV112: $i,SV451: $i] :
      ( ( ( ~ ( in @ SV451 @ ( sK41_B @ SV112 ) )
          | ~ ( subset @ SV459 @ SV451 ) )
        = $true )
      | ( ( in @ SV459 @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2314]) ).

thf(2394,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV114 )
        = $true )
      | ( ( subset @ SV114 @ SV374 )
        = $true )
      | ( ( relation @ SV374 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2317]) ).

thf(2395,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 ) )
        = $true )
      | ( ( subset @ SV114 @ SV374 )
        = $true )
      | ( ( relation @ SV374 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2318]) ).

thf(2396,plain,
    ! [SV375: $i,SV114: $i,SV470: $i,SV460: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV460 @ SV470 ) @ SV114 )
          | ( in @ ( ordered_pair @ SV460 @ SV470 ) @ SV375 ) )
        = $true )
      | ( ( subset @ SV114 @ SV375 )
        = $false )
      | ( ( relation @ SV375 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2319]) ).

thf(2397,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
          | ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
        = $true )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2320]) ).

thf(2398,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
          | ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
        = $true )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2321]) ).

thf(2399,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( ~ ! [SY875: $i,SY876: $i] :
                ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
                | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) ) )
        = $false )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2322]) ).

thf(2400,plain,
    ! [SV377: $i,SV115: $i] :
      ( ( ( ~ ! [SY877: $i,SY878: $i] :
                ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
                | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) )
        = $false )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2322]) ).

thf(2401,plain,
    ! [SV408: $i,SV426: $i,SV116: $i] :
      ( ( ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV426 @ SV408 ) ) )
        = $false )
      | ( ( in @ SV116 @ SV408 )
        = $true )
      | ( ( relation @ SV426 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2324]) ).

thf(2402,plain,
    ! [SV409: $i,SV427: $i,SV116: $i] :
      ( ( ( in @ SV116 @ ( relation_dom @ ( relation_dom_restriction @ SV427 @ SV409 ) ) )
        = $false )
      | ( ( in @ SV116 @ ( relation_dom @ SV427 ) )
        = $true )
      | ( ( relation @ SV427 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2325]) ).

thf(2403,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ( ( sK35_C @ SV315 @ SV252 )
           != ( sK36_SY405 @ SV315 @ SV252 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2326]) ).

thf(2404,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( ( ( sK35_C @ SV315 @ SV252 )
                = ( sK36_SY405 @ SV315 @ SV252 ) )
              | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) )
        = $false )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2327]) ).

thf(2405,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ~ ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
              | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) ) )
        = $false )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2327]) ).

thf(2406,plain,
    ! [SV316: $i,SV253: $i,SV471: $i] :
      ( ( ( ! [SY939: $i] :
              ( ( SV471 != SY939 )
              | ~ ( in @ SV471 @ SV253 )
              | ( in @ ( ordered_pair @ SV471 @ SY939 ) @ SV316 ) ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2328]) ).

thf(2407,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ~ ! [SY808: $i,SY809: $i] :
                ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                | ( SY808 = SY809 ) )
          | ~ ! [SY810: $i] :
                ( ! [SY811: $i] :
                    ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                | ( in @ SY810 @ SV253 ) ) )
        = $false )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2329]) ).

thf(2408,plain,
    ! [SV352: $i,SV319: $i,SV472: $i,SV118: $i,SV461: $i] :
      ( ( ( ~ ( in @ SV461 @ SV118 )
          | ~ ( in @ SV472 @ SV319 )
          | ( ( sK25_D @ SV352 @ SV319 @ SV118 )
           != ( ordered_pair @ SV461 @ SV472 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2330]) ).

thf(2409,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
                | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) ) )
        = $false )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2331]) ).

thf(2410,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
           != ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) ) )
        = $false )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2331]) ).

thf(2411,plain,
    ! [SV353: $i,SV462: $i,SV320: $i,SV118: $i] :
      ( ( ( ! [SY936: $i,SY937: $i] :
              ( ~ ( in @ SY936 @ SV118 )
              | ~ ( in @ SY937 @ SV320 )
              | ( SV462
               != ( ordered_pair @ SY936 @ SY937 ) ) ) )
        = $true )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2332]) ).

thf(2412,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ( in @ SV463 @ SV353 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                    | ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
              | ( SV463
               != ( ordered_pair @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) ) ) ) )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2333]) ).

thf(2413,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
          | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
           != SV119 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2334]) ).

thf(2414,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
          | ( ( sK29_D @ SV354 @ SV323 @ SV119 )
           != SV323 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2335]) ).

thf(2415,plain,
    ! [SV324: $i,SV119: $i,SV355: $i,SV464: $i] :
      ( ( ( ~ ( in @ SV464 @ SV355 ) )
        = $true )
      | ( ( ( SV464 = SV119 )
          | ( SV464 = SV324 ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2337]) ).

thf(2416,plain,
    ! [SV324: $i,SV355: $i,SV119: $i] :
      ( ( ( ~ ! [SY850: $i] :
                ( ( SY850 != SV119 )
                | ( in @ SY850 @ SV355 ) ) )
        = $false )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2338]) ).

thf(2417,plain,
    ! [SV119: $i,SV355: $i,SV324: $i] :
      ( ( ( ~ ! [SY851: $i] :
                ( ( SY851 != SV324 )
                | ( in @ SY851 @ SV355 ) ) )
        = $false )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2338]) ).

thf(2418,plain,
    ! [SV121: $i,SV411: $i,SV473: $i] :
      ( ( ( ~ ( subset @ SV473 @ SV411 )
          | ( in @ SV473 @ ( sK44_SY413 @ SV411 @ SV121 ) ) )
        = $true )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2341]) ).

thf(2419,plain,
    ! [SV121: $i,SV411: $i] :
      ( ( ( in @ SV411 @ ( sK43_B @ SV121 ) )
        = $false )
      | ( ( in @ ( sK44_SY413 @ SV411 @ SV121 ) @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2342]) ).

thf(2420,plain,
    ! [SV465: $i,SV121: $i,SV453: $i] :
      ( ( ( ~ ( in @ SV453 @ ( sK43_B @ SV121 ) )
          | ~ ( subset @ SV465 @ SV453 ) )
        = $true )
      | ( ( in @ SV465 @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2343]) ).

thf(2421,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
              | ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
          | ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2344]) ).

thf(2422,plain,
    ! [SV431: $i,SV385: $i] :
      ( ( ( ! [SY921: $i] :
              ( ~ ( in @ SY921 @ SV385 )
              | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SY921 ) )
          | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2345]) ).

thf(2423,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( ~ ! [SY922: $i] :
                ( ~ ( ~ ( in @ ( sK32_D @ SY922 @ SV432 @ SV386 ) @ SV386 )
                    | ~ ~ ( in @ SY922 @ ( sK32_D @ SY922 @ SV432 @ SV386 ) ) )
                | ( in @ SY922 @ SV432 ) ) )
        = $false )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2346]) ).

thf(2424,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( ~ ! [SY923: $i] :
                ( ~ ( in @ SY923 @ SV432 )
                | ! [SY890: $i] :
                    ( ~ ( in @ SY890 @ SV386 )
                    | ( in @ SY923 @ SY890 ) ) ) )
        = $false )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2346]) ).

thf(2425,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
        = $false )
      | ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 ) )
        = $true )
      | ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2349]) ).

thf(2426,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
          | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2350]) ).

thf(2427,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
          | ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2351]) ).

thf(2428,plain,
    ! [SV357: $i,SV334: $i,SV125: $i,SV466: $i] :
      ( ( ( ~ ( in @ SV466 @ SV125 )
          | ~ ( in @ SV466 @ SV334 ) )
        = $true )
      | ( ( in @ SV466 @ SV357 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2352]) ).

thf(2429,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( ~ ! [SY853: $i] :
                ( ~ ( in @ SY853 @ SV357 )
                | ( in @ SY853 @ SV125 ) ) )
        = $false )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2353]) ).

thf(2430,plain,
    ! [SV125: $i,SV334: $i,SV357: $i] :
      ( ( ( ~ ! [SY854: $i] :
                ( ~ ( in @ SY854 @ SV357 )
                | ( in @ SY854 @ SV334 ) ) )
        = $false )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2353]) ).

thf(2431,plain,
    ! [SV126: $i,SV393: $i,SV474: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV474 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 ) )
        = $true )
      | ( ( ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2354]) ).

thf(2432,plain,
    ! [SV394: $i,SV126: $i,SV475: $i] :
      ( ( ( ! [SY940: $i] :
              ~ ( in @ ( ordered_pair @ SY940 @ SV475 ) @ SV126 )
          | ( in @ SV475 @ SV394 ) )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2356]) ).

thf(2433,plain,
    ! [SV126: $i,SV394: $i,SV476: $i] :
      ( ( ( ~ ( in @ SV476 @ SV394 )
          | ( in @ ( ordered_pair @ ( sK47_D @ SV476 @ SV394 @ SV126 ) @ SV476 ) @ SV126 ) )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2357]) ).

thf(2434,plain,
    ! [SV454: $i,SV271: $i,SV335: $i] :
      ( ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV454 )
        = $false )
      | ( ( ~ ( in @ SV454 @ SV271 ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2358]) ).

thf(2435,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ ( sK18_SY394 @ SV335 @ SV271 ) )
        = $true )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2359]) ).

thf(2436,plain,
    ! [SV271: $i,SV335: $i] :
      ( ( ( in @ ( sK18_SY394 @ SV335 @ SV271 ) @ SV271 )
        = $true )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2360]) ).

thf(2437,plain,
    ! [SV336: $i,SV272: $i,SV477: $i,SV455: $i] :
      ( ( ( ~ ( in @ SV455 @ SV477 )
          | ~ ( in @ SV477 @ SV272 ) )
        = $true )
      | ( ( in @ SV455 @ SV336 )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2361]) ).

thf(2438,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( in @ SV456 @ SV336 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV456 @ ( sK16_D @ SV456 @ SV336 @ SV272 ) )
              | ~ ( in @ ( sK16_D @ SV456 @ SV336 @ SV272 ) @ SV272 ) ) )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2362]) ).

thf(2439,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 )
        = $false )
      | ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
        = $true )
      | ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
        = $false )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2363]) ).

thf(2440,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV99 )
        = $true )
      | ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2364]) ).

thf(2441,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 ) )
        = $true )
      | ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2365]) ).

thf(2442,plain,
    ! [SV340: $i,SV281: $i,SV99: $i,SV457: $i] :
      ( ( ( ~ ( in @ SV457 @ SV99 ) )
        = $true )
      | ( ( in @ SV457 @ SV281 )
        = $true )
      | ( ( in @ SV457 @ SV340 )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2366]) ).

thf(2443,plain,
    ! [SV281: $i,SV99: $i,SV340: $i] :
      ( ( ( ! [SY835: $i] :
              ( ~ ( in @ SY835 @ SV340 )
              | ( in @ SY835 @ SV99 ) ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2367]) ).

thf(2444,plain,
    ! [SV99: $i,SV281: $i,SV340: $i] :
      ( ( ( ! [SY836: $i] :
              ( ~ ( in @ SY836 @ SV340 )
              | ~ ( in @ SY836 @ SV281 ) ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2368]) ).

thf(2445,plain,
    ! [SV467: $i,SV100: $i,SV361: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SV467 ) @ SV100 )
        = $false )
      | ( ( ~ ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 ) )
        = $true )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2371]) ).

thf(2446,plain,
    ! [SV362: $i,SV100: $i,SV468: $i] :
      ( ( ( ! [SY938: $i] :
              ~ ( in @ ( ordered_pair @ SV468 @ SY938 ) @ SV100 ) )
        = $true )
      | ( ( in @ SV468 @ SV362 )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2372]) ).

thf(2447,plain,
    ! [SV100: $i,SV362: $i,SV469: $i] :
      ( ( ( ~ ( in @ SV469 @ SV362 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV469 @ ( sK19_D @ SV469 @ SV362 @ SV100 ) ) @ SV100 )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2373]) ).

thf(2448,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
          | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
          | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2376]) ).

thf(2449,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
                  | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
                  | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2377]) ).

thf(2450,plain,
    ! [SV404: $i,SV103: $i,SV364: $i] :
      ( ( ( ~ ! [SY905: $i,SY906: $i] :
                ( ~ ( in @ SY905 @ SV364 )
                | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
                | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) ) )
        = $false )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2378]) ).

thf(2451,plain,
    ! [SV103: $i,SV364: $i,SV404: $i] :
      ( ( ( ~ ~ ( ~ ! [SY907: $i] :
                      ( ! [SY908: $i] :
                          ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                      | ( in @ SY907 @ SV364 ) )
                | ~ ! [SY909: $i,SY910: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                      | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) )
        = $false )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2378]) ).

thf(2452,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
        = $true )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2379]) ).

thf(2453,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 )
        = $true )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2380]) ).

thf(2454,plain,
    ! [SV366: $i,SV105: $i] :
      ( ( ( ! [SY869: $i,SY870: $i] :
              ( ~ ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV105 )
              | ( in @ ( ordered_pair @ SY869 @ SY870 ) @ SV366 ) ) )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2381]) ).

thf(2455,plain,
    ! [SV105: $i,SV366: $i] :
      ( ( ( ! [SY871: $i,SY872: $i] :
              ( ~ ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV366 )
              | ( in @ ( ordered_pair @ SY871 @ SY872 ) @ SV105 ) ) )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2382]) ).

thf(2456,plain,
    ! [SV433: $i,SV420: $i,SV192: $i,SV106: $i] :
      ( ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV420 ) @ SV433 ) )
        = $false )
      | ( ( in @ SV106 @ SV420 )
        = $true )
      | ( ( relation @ SV433 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2384]) ).

thf(2457,plain,
    ! [SV434: $i,SV421: $i,SV192: $i,SV106: $i] :
      ( ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ ( relation_composition @ ( identity_relation @ SV421 ) @ SV434 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV106 @ SV192 ) @ SV434 )
        = $true )
      | ( ( relation @ SV434 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2385]) ).

thf(2458,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( ! [SY925: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
              | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
              | ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) ) )
        = $false )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2386]) ).

thf(2459,plain,
    ! [SV239: $i,SV107: $i,SV436: $i] :
      ( ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY926: $i,SY927: $i] :
                    ( ! [SY735: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
                    | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) )
              | ~ ! [SY929: $i,SY930: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) ) )
        = $true )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2387]) ).

thf(2460,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 ) )
        = $true )
      | ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2388]) ).

thf(2461,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 ) )
        = $true )
      | ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2389]) ).

thf(2462,plain,
    ! [SV306: $i,SV111: $i,SV347: $i,SV458: $i] :
      ( ( ( in @ SV458 @ SV347 )
        = $false )
      | ( ( ( in @ SV458 @ SV111 )
          | ( in @ SV458 @ SV306 ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2390]) ).

thf(2463,plain,
    ! [SV306: $i,SV347: $i,SV111: $i] :
      ( ( ( ! [SY840: $i] :
              ( ~ ( in @ SY840 @ SV111 )
              | ( in @ SY840 @ SV347 ) ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2391]) ).

thf(2464,plain,
    ! [SV111: $i,SV347: $i,SV306: $i] :
      ( ( ( ! [SY841: $i] :
              ( ~ ( in @ SY841 @ SV306 )
              | ( in @ SY841 @ SV347 ) ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2392]) ).

thf(2465,plain,
    ! [SV459: $i,SV112: $i,SV451: $i] :
      ( ( ( ~ ( in @ SV451 @ ( sK41_B @ SV112 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV459 @ SV451 ) )
        = $true )
      | ( ( in @ SV459 @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2393]) ).

thf(2466,plain,
    ! [SV114: $i,SV374: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK51_C @ SV374 @ SV114 ) @ ( sK52_SY420 @ SV374 @ SV114 ) ) @ SV374 )
        = $false )
      | ( ( subset @ SV114 @ SV374 )
        = $true )
      | ( ( relation @ SV374 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2395]) ).

thf(2467,plain,
    ! [SV375: $i,SV114: $i,SV470: $i,SV460: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV460 @ SV470 ) @ SV114 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV460 @ SV470 ) @ SV375 )
        = $true )
      | ( ( subset @ SV114 @ SV375 )
        = $false )
      | ( ( relation @ SV375 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2396]) ).

thf(2468,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
        = $true )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2397]) ).

thf(2469,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 )
        = $true )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2398]) ).

thf(2470,plain,
    ! [SV115: $i,SV377: $i] :
      ( ( ( ! [SY875: $i,SY876: $i] :
              ( ~ ( in @ ( ordered_pair @ SY875 @ SY876 ) @ SV377 )
              | ( in @ ( ordered_pair @ SY876 @ SY875 ) @ SV115 ) ) )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2399]) ).

thf(2471,plain,
    ! [SV377: $i,SV115: $i] :
      ( ( ( ! [SY877: $i,SY878: $i] :
              ( ~ ( in @ ( ordered_pair @ SY878 @ SY877 ) @ SV115 )
              | ( in @ ( ordered_pair @ SY877 @ SY878 ) @ SV377 ) ) )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2400]) ).

thf(2472,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ( sK35_C @ SV315 @ SV252 )
          = ( sK36_SY405 @ SV315 @ SV252 ) )
        = $false )
      | ( ( ~ ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2403]) ).

thf(2473,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ( ( sK35_C @ SV315 @ SV252 )
            = ( sK36_SY405 @ SV315 @ SV252 ) )
          | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2404]) ).

thf(2474,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
          | ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2405]) ).

thf(2475,plain,
    ! [SV316: $i,SV253: $i,SV478: $i,SV471: $i] :
      ( ( ( ( SV471 != SV478 )
          | ~ ( in @ SV471 @ SV253 )
          | ( in @ ( ordered_pair @ SV471 @ SV478 ) @ SV316 ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2406]) ).

thf(2476,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ~ ! [SY808: $i,SY809: $i] :
                ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
                | ( SY808 = SY809 ) ) )
        = $false )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2407]) ).

thf(2477,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ~ ! [SY810: $i] :
                ( ! [SY811: $i] :
                    ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
                | ( in @ SY810 @ SV253 ) ) )
        = $false )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2407]) ).

thf(2478,plain,
    ! [SV352: $i,SV319: $i,SV472: $i,SV118: $i,SV461: $i] :
      ( ( ( ~ ( in @ SV461 @ SV118 )
          | ~ ( in @ SV472 @ SV319 ) )
        = $true )
      | ( ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
           != ( ordered_pair @ SV461 @ SV472 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2408]) ).

thf(2479,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
              | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) ) )
        = $true )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2409]) ).

thf(2480,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
          = ( ordered_pair @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) ) )
        = $true )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2410]) ).

thf(2481,plain,
    ! [SV353: $i,SV462: $i,SV320: $i,SV118: $i,SV479: $i] :
      ( ( ( ! [SY941: $i] :
              ( ~ ( in @ SV479 @ SV118 )
              | ~ ( in @ SY941 @ SV320 )
              | ( SV462
               != ( ordered_pair @ SV479 @ SY941 ) ) ) )
        = $true )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2411]) ).

thf(2482,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                    | ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
              | ( SV463
               != ( ordered_pair @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) ) ) ) )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2412]) ).

thf(2483,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 ) )
        = $true )
      | ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
           != SV119 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2413]) ).

thf(2484,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ~ ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 ) )
        = $true )
      | ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
           != SV323 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2414]) ).

thf(2485,plain,
    ! [SV324: $i,SV119: $i,SV355: $i,SV464: $i] :
      ( ( ( in @ SV464 @ SV355 )
        = $false )
      | ( ( ( SV464 = SV119 )
          | ( SV464 = SV324 ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2415]) ).

thf(2486,plain,
    ! [SV324: $i,SV355: $i,SV119: $i] :
      ( ( ( ! [SY850: $i] :
              ( ( SY850 != SV119 )
              | ( in @ SY850 @ SV355 ) ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2416]) ).

thf(2487,plain,
    ! [SV119: $i,SV355: $i,SV324: $i] :
      ( ( ( ! [SY851: $i] :
              ( ( SY851 != SV324 )
              | ( in @ SY851 @ SV355 ) ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2417]) ).

thf(2488,plain,
    ! [SV121: $i,SV411: $i,SV473: $i] :
      ( ( ( ~ ( subset @ SV473 @ SV411 ) )
        = $true )
      | ( ( in @ SV473 @ ( sK44_SY413 @ SV411 @ SV121 ) )
        = $true )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2418]) ).

thf(2489,plain,
    ! [SV465: $i,SV121: $i,SV453: $i] :
      ( ( ( ~ ( in @ SV453 @ ( sK43_B @ SV121 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV465 @ SV453 ) )
        = $true )
      | ( ( in @ SV465 @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2420]) ).

thf(2490,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
              | ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2421]) ).

thf(2491,plain,
    ! [SV431: $i,SV385: $i] :
      ( ( ( ! [SY921: $i] :
              ( ~ ( in @ SY921 @ SV385 )
              | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SY921 ) ) )
        = $true )
      | ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2422]) ).

thf(2492,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( ! [SY922: $i] :
              ( ~ ( ~ ( in @ ( sK32_D @ SY922 @ SV432 @ SV386 ) @ SV386 )
                  | ~ ~ ( in @ SY922 @ ( sK32_D @ SY922 @ SV432 @ SV386 ) ) )
              | ( in @ SY922 @ SV432 ) ) )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2423]) ).

thf(2493,plain,
    ! [SV386: $i,SV432: $i] :
      ( ( ( ! [SY923: $i] :
              ( ~ ( in @ SY923 @ SV432 )
              | ! [SY890: $i] :
                  ( ~ ( in @ SY890 @ SV386 )
                  | ( in @ SY923 @ SY890 ) ) ) )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2424]) ).

thf(2494,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
        = $false )
      | ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
        = $false )
      | ( ( ~ ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 ) )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2425]) ).

thf(2495,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
        = $true )
      | ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2426]) ).

thf(2496,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
        = $true )
      | ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 )
        = $true )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2427]) ).

thf(2497,plain,
    ! [SV357: $i,SV334: $i,SV125: $i,SV466: $i] :
      ( ( ( ~ ( in @ SV466 @ SV125 ) )
        = $true )
      | ( ( ~ ( in @ SV466 @ SV334 ) )
        = $true )
      | ( ( in @ SV466 @ SV357 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2428]) ).

thf(2498,plain,
    ! [SV334: $i,SV125: $i,SV357: $i] :
      ( ( ( ! [SY853: $i] :
              ( ~ ( in @ SY853 @ SV357 )
              | ( in @ SY853 @ SV125 ) ) )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2429]) ).

thf(2499,plain,
    ! [SV125: $i,SV334: $i,SV357: $i] :
      ( ( ( ! [SY854: $i] :
              ( ~ ( in @ SY854 @ SV357 )
              | ( in @ SY854 @ SV334 ) ) )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2430]) ).

thf(2500,plain,
    ! [SV126: $i,SV393: $i,SV474: $i] :
      ( ( ( in @ ( ordered_pair @ SV474 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
        = $false )
      | ( ( ~ ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 ) )
        = $true )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2431]) ).

thf(2501,plain,
    ! [SV394: $i,SV126: $i,SV475: $i] :
      ( ( ( ! [SY940: $i] :
              ~ ( in @ ( ordered_pair @ SY940 @ SV475 ) @ SV126 ) )
        = $true )
      | ( ( in @ SV475 @ SV394 )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2432]) ).

thf(2502,plain,
    ! [SV126: $i,SV394: $i,SV476: $i] :
      ( ( ( ~ ( in @ SV476 @ SV394 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK47_D @ SV476 @ SV394 @ SV126 ) @ SV476 ) @ SV126 )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2433]) ).

thf(2503,plain,
    ! [SV335: $i,SV271: $i,SV454: $i] :
      ( ( ( in @ SV454 @ SV271 )
        = $false )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV454 )
        = $false )
      | ( ( ~ ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 ) )
        = $true )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2434]) ).

thf(2504,plain,
    ! [SV336: $i,SV272: $i,SV477: $i,SV455: $i] :
      ( ( ( ~ ( in @ SV455 @ SV477 ) )
        = $true )
      | ( ( ~ ( in @ SV477 @ SV272 ) )
        = $true )
      | ( ( in @ SV455 @ SV336 )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2437]) ).

thf(2505,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( ~ ( in @ SV456 @ ( sK16_D @ SV456 @ SV336 @ SV272 ) )
          | ~ ( in @ ( sK16_D @ SV456 @ SV336 @ SV272 ) @ SV272 ) )
        = $false )
      | ( ( in @ SV456 @ SV336 )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2438]) ).

thf(2506,plain,
    ! [SV99: $i,SV280: $i,SV339: $i] :
      ( ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV280 )
        = $false )
      | ( ( in @ ( sK15_D @ SV339 @ SV280 @ SV99 ) @ SV339 )
        = $true )
      | ( ( SV339
          = ( set_difference @ SV99 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2441]) ).

thf(2507,plain,
    ! [SV340: $i,SV281: $i,SV99: $i,SV457: $i] :
      ( ( ( in @ SV457 @ SV99 )
        = $false )
      | ( ( in @ SV457 @ SV281 )
        = $true )
      | ( ( in @ SV457 @ SV340 )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2442]) ).

thf(2508,plain,
    ! [SV281: $i,SV99: $i,SV340: $i,SV480: $i] :
      ( ( ( ~ ( in @ SV480 @ SV340 )
          | ( in @ SV480 @ SV99 ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2443]) ).

thf(2509,plain,
    ! [SV99: $i,SV281: $i,SV340: $i,SV481: $i] :
      ( ( ( ~ ( in @ SV481 @ SV340 )
          | ~ ( in @ SV481 @ SV281 ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2444]) ).

thf(2510,plain,
    ! [SV467: $i,SV100: $i,SV361: $i] :
      ( ( ( in @ ( sK20_C @ SV361 @ SV100 ) @ SV361 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK20_C @ SV361 @ SV100 ) @ SV467 ) @ SV100 )
        = $false )
      | ( ( SV361
          = ( relation_dom @ SV100 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2445]) ).

thf(2511,plain,
    ! [SV362: $i,SV100: $i,SV482: $i,SV468: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV468 @ SV482 ) @ SV100 ) )
        = $true )
      | ( ( in @ SV468 @ SV362 )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2446]) ).

thf(2512,plain,
    ! [SV100: $i,SV362: $i,SV469: $i] :
      ( ( ( in @ SV469 @ SV362 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV469 @ ( sK19_D @ SV469 @ SV362 @ SV100 ) ) @ SV100 )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2447]) ).

thf(2513,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
          | ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2448]) ).

thf(2514,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
              | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
              | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) )
        = $false )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2449]) ).

thf(2515,plain,
    ! [SV404: $i,SV103: $i,SV364: $i] :
      ( ( ( ! [SY905: $i,SY906: $i] :
              ( ~ ( in @ SY905 @ SV364 )
              | ~ ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV103 )
              | ( in @ ( ordered_pair @ SY905 @ SY906 ) @ SV404 ) ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2450]) ).

thf(2516,plain,
    ! [SV103: $i,SV364: $i,SV404: $i] :
      ( ( ( ~ ( ~ ! [SY907: $i] :
                    ( ! [SY908: $i] :
                        ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                    | ( in @ SY907 @ SV364 ) )
              | ~ ! [SY909: $i,SY910: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                    | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2451]) ).

thf(2517,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 ) )
        = $true )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2452]) ).

thf(2518,plain,
    ! [SV366: $i,SV105: $i,SV483: $i] :
      ( ( ( ! [SY942: $i] :
              ( ~ ( in @ ( ordered_pair @ SV483 @ SY942 ) @ SV105 )
              | ( in @ ( ordered_pair @ SV483 @ SY942 ) @ SV366 ) ) )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2454]) ).

thf(2519,plain,
    ! [SV105: $i,SV366: $i,SV484: $i] :
      ( ( ( ! [SY943: $i] :
              ( ~ ( in @ ( ordered_pair @ SV484 @ SY943 ) @ SV366 )
              | ( in @ ( ordered_pair @ SV484 @ SY943 ) @ SV105 ) ) )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2455]) ).

thf(2520,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( ! [SY925: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
              | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) ) )
        = $false )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2458]) ).

thf(2521,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
              | ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) ) )
        = $false )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2458]) ).

thf(2522,plain,
    ! [SV436: $i,SV239: $i,SV107: $i] :
      ( ( ( ~ ! [SY926: $i,SY927: $i] :
                ( ! [SY735: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                    | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
                | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) )
          | ~ ! [SY929: $i,SY930: $i] :
                ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                    | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2459]) ).

thf(2523,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
        = $false )
      | ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2460]) ).

thf(2524,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
        = $false )
      | ( ( ~ ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 ) )
        = $true )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2461]) ).

thf(2525,plain,
    ! [SV347: $i,SV306: $i,SV111: $i,SV458: $i] :
      ( ( ( in @ SV458 @ SV111 )
        = $true )
      | ( ( in @ SV458 @ SV306 )
        = $true )
      | ( ( in @ SV458 @ SV347 )
        = $false )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2462]) ).

thf(2526,plain,
    ! [SV306: $i,SV347: $i,SV111: $i,SV485: $i] :
      ( ( ( ~ ( in @ SV485 @ SV111 )
          | ( in @ SV485 @ SV347 ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2463]) ).

thf(2527,plain,
    ! [SV111: $i,SV347: $i,SV306: $i,SV486: $i] :
      ( ( ( ~ ( in @ SV486 @ SV306 )
          | ( in @ SV486 @ SV347 ) )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2464]) ).

thf(2528,plain,
    ! [SV459: $i,SV112: $i,SV451: $i] :
      ( ( ( in @ SV451 @ ( sK41_B @ SV112 ) )
        = $false )
      | ( ( ~ ( subset @ SV459 @ SV451 ) )
        = $true )
      | ( ( in @ SV459 @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2465]) ).

thf(2529,plain,
    ! [SV375: $i,SV114: $i,SV470: $i,SV460: $i] :
      ( ( ( in @ ( ordered_pair @ SV460 @ SV470 ) @ SV114 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV460 @ SV470 ) @ SV375 )
        = $true )
      | ( ( subset @ SV114 @ SV375 )
        = $false )
      | ( ( relation @ SV375 )
        = $false )
      | ( ( relation @ SV114 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2467]) ).

thf(2530,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 ) )
        = $true )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2468]) ).

thf(2531,plain,
    ! [SV115: $i,SV377: $i,SV487: $i] :
      ( ( ( ! [SY944: $i] :
              ( ~ ( in @ ( ordered_pair @ SV487 @ SY944 ) @ SV377 )
              | ( in @ ( ordered_pair @ SY944 @ SV487 ) @ SV115 ) ) )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2470]) ).

thf(2532,plain,
    ! [SV377: $i,SV115: $i,SV488: $i] :
      ( ( ( ! [SY945: $i] :
              ( ~ ( in @ ( ordered_pair @ SY945 @ SV488 ) @ SV115 )
              | ( in @ ( ordered_pair @ SV488 @ SY945 ) @ SV377 ) ) )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2471]) ).

thf(2533,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
        = $false )
      | ( ( ( sK35_C @ SV315 @ SV252 )
          = ( sK36_SY405 @ SV315 @ SV252 ) )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 ) )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2472]) ).

thf(2534,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( ( sK35_C @ SV315 @ SV252 )
          = ( sK36_SY405 @ SV315 @ SV252 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2473]) ).

thf(2535,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 )
        = $true )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2474]) ).

thf(2536,plain,
    ! [SV316: $i,SV253: $i,SV478: $i,SV471: $i] :
      ( ( ( ( SV471 != SV478 )
          | ~ ( in @ SV471 @ SV253 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV471 @ SV478 ) @ SV316 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2475]) ).

thf(2537,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ! [SY808: $i,SY809: $i] :
              ( ~ ( in @ ( ordered_pair @ SY808 @ SY809 ) @ SV316 )
              | ( SY808 = SY809 ) ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2476]) ).

thf(2538,plain,
    ! [SV253: $i,SV316: $i] :
      ( ( ( ! [SY810: $i] :
              ( ! [SY811: $i] :
                  ~ ( in @ ( ordered_pair @ SY810 @ SY811 ) @ SV316 )
              | ( in @ SY810 @ SV253 ) ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2477]) ).

thf(2539,plain,
    ! [SV352: $i,SV319: $i,SV472: $i,SV118: $i,SV461: $i] :
      ( ( ( ~ ( in @ SV461 @ SV118 ) )
        = $true )
      | ( ( ~ ( in @ SV472 @ SV319 ) )
        = $true )
      | ( ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
           != ( ordered_pair @ SV461 @ SV472 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2478]) ).

thf(2540,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
          | ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
        = $false )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2479]) ).

thf(2541,plain,
    ! [SV353: $i,SV462: $i,SV320: $i,SV489: $i,SV118: $i,SV479: $i] :
      ( ( ( ~ ( in @ SV479 @ SV118 )
          | ~ ( in @ SV489 @ SV320 )
          | ( SV462
           != ( ordered_pair @ SV479 @ SV489 ) ) )
        = $true )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2481]) ).

thf(2542,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                | ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
          | ( SV463
           != ( ordered_pair @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) ) ) )
        = $false )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2482]) ).

thf(2543,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
        = $false )
      | ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
           != SV119 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2483]) ).

thf(2544,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
        = $false )
      | ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
           != SV323 ) )
        = $true )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2484]) ).

thf(2545,plain,
    ! [SV355: $i,SV324: $i,SV119: $i,SV464: $i] :
      ( ( ( SV464 = SV119 )
        = $true )
      | ( ( SV464 = SV324 )
        = $true )
      | ( ( in @ SV464 @ SV355 )
        = $false )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2485]) ).

thf(2546,plain,
    ! [SV324: $i,SV355: $i,SV119: $i,SV490: $i] :
      ( ( ( ( SV490 != SV119 )
          | ( in @ SV490 @ SV355 ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2486]) ).

thf(2547,plain,
    ! [SV119: $i,SV355: $i,SV324: $i,SV491: $i] :
      ( ( ( ( SV491 != SV324 )
          | ( in @ SV491 @ SV355 ) )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2487]) ).

thf(2548,plain,
    ! [SV121: $i,SV411: $i,SV473: $i] :
      ( ( ( subset @ SV473 @ SV411 )
        = $false )
      | ( ( in @ SV473 @ ( sK44_SY413 @ SV411 @ SV121 ) )
        = $true )
      | ( ( ~ ( in @ SV411 @ ( sK43_B @ SV121 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2488]) ).

thf(2549,plain,
    ! [SV465: $i,SV121: $i,SV453: $i] :
      ( ( ( in @ SV453 @ ( sK43_B @ SV121 ) )
        = $false )
      | ( ( ~ ( subset @ SV465 @ SV453 ) )
        = $true )
      | ( ( in @ SV465 @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2489]) ).

thf(2550,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
          | ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
        = $false )
      | ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2490]) ).

thf(2551,plain,
    ! [SV431: $i,SV385: $i,SV492: $i] :
      ( ( ( ~ ( in @ SV492 @ SV385 )
          | ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV492 ) )
        = $true )
      | ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2491]) ).

thf(2552,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK32_D @ SV493 @ SV432 @ SV386 ) @ SV386 )
              | ~ ~ ( in @ SV493 @ ( sK32_D @ SV493 @ SV432 @ SV386 ) ) )
          | ( in @ SV493 @ SV432 ) )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2492]) ).

thf(2553,plain,
    ! [SV386: $i,SV432: $i,SV494: $i] :
      ( ( ( ~ ( in @ SV494 @ SV432 )
          | ! [SY946: $i] :
              ( ~ ( in @ SY946 @ SV386 )
              | ( in @ SV494 @ SY946 ) ) )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2493]) ).

thf(2554,plain,
    ! [SV125: $i,SV333: $i,SV356: $i] :
      ( ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV356 )
        = $false )
      | ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV125 )
        = $false )
      | ( ( in @ ( sK22_D @ SV356 @ SV333 @ SV125 ) @ SV333 )
        = $false )
      | ( ( SV356
          = ( set_intersection2 @ SV125 @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2494]) ).

thf(2555,plain,
    ! [SV357: $i,SV334: $i,SV125: $i,SV466: $i] :
      ( ( ( in @ SV466 @ SV125 )
        = $false )
      | ( ( ~ ( in @ SV466 @ SV334 ) )
        = $true )
      | ( ( in @ SV466 @ SV357 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2497]) ).

thf(2556,plain,
    ! [SV334: $i,SV125: $i,SV357: $i,SV495: $i] :
      ( ( ( ~ ( in @ SV495 @ SV357 )
          | ( in @ SV495 @ SV125 ) )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2498]) ).

thf(2557,plain,
    ! [SV125: $i,SV334: $i,SV357: $i,SV496: $i] :
      ( ( ( ~ ( in @ SV496 @ SV357 )
          | ( in @ SV496 @ SV334 ) )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2499]) ).

thf(2558,plain,
    ! [SV474: $i,SV126: $i,SV393: $i] :
      ( ( ( in @ ( sK48_C @ SV393 @ SV126 ) @ SV393 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV474 @ ( sK48_C @ SV393 @ SV126 ) ) @ SV126 )
        = $false )
      | ( ( SV393
          = ( relation_rng @ SV126 ) )
        = $true )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2500]) ).

thf(2559,plain,
    ! [SV394: $i,SV126: $i,SV475: $i,SV497: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV497 @ SV475 ) @ SV126 ) )
        = $true )
      | ( ( in @ SV475 @ SV394 )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2501]) ).

thf(2560,plain,
    ! [SV126: $i,SV394: $i,SV476: $i] :
      ( ( ( in @ SV476 @ SV394 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK47_D @ SV476 @ SV394 @ SV126 ) @ SV476 ) @ SV126 )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2502]) ).

thf(2561,plain,
    ! [SV454: $i,SV271: $i,SV335: $i] :
      ( ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV335 )
        = $false )
      | ( ( in @ ( sK17_C @ SV335 @ SV271 ) @ SV454 )
        = $false )
      | ( ( in @ SV454 @ SV271 )
        = $false )
      | ( ( SV335
          = ( union @ SV271 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2503]) ).

thf(2562,plain,
    ! [SV336: $i,SV272: $i,SV477: $i,SV455: $i] :
      ( ( ( in @ SV455 @ SV477 )
        = $false )
      | ( ( ~ ( in @ SV477 @ SV272 ) )
        = $true )
      | ( ( in @ SV455 @ SV336 )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2504]) ).

thf(2563,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( ~ ( in @ SV456 @ ( sK16_D @ SV456 @ SV336 @ SV272 ) ) )
        = $false )
      | ( ( in @ SV456 @ SV336 )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2505]) ).

thf(2564,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( ~ ( in @ ( sK16_D @ SV456 @ SV336 @ SV272 ) @ SV272 ) )
        = $false )
      | ( ( in @ SV456 @ SV336 )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2505]) ).

thf(2565,plain,
    ! [SV281: $i,SV99: $i,SV340: $i,SV480: $i] :
      ( ( ( ~ ( in @ SV480 @ SV340 ) )
        = $true )
      | ( ( in @ SV480 @ SV99 )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2508]) ).

thf(2566,plain,
    ! [SV99: $i,SV281: $i,SV340: $i,SV481: $i] :
      ( ( ( ~ ( in @ SV481 @ SV340 ) )
        = $true )
      | ( ( ~ ( in @ SV481 @ SV281 ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2509]) ).

thf(2567,plain,
    ! [SV362: $i,SV100: $i,SV482: $i,SV468: $i] :
      ( ( ( in @ ( ordered_pair @ SV468 @ SV482 ) @ SV100 )
        = $false )
      | ( ( in @ SV468 @ SV362 )
        = $true )
      | ( ( SV362
          = ( relation_dom @ SV100 ) )
        = $false )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2511]) ).

thf(2568,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2513]) ).

thf(2569,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
              | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) )
        = $false )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2514]) ).

thf(2570,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
              | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) ) )
        = $false )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2514]) ).

thf(2571,plain,
    ! [SV404: $i,SV103: $i,SV364: $i,SV498: $i] :
      ( ( ( ! [SY947: $i] :
              ( ~ ( in @ SV498 @ SV364 )
              | ~ ( in @ ( ordered_pair @ SV498 @ SY947 ) @ SV103 )
              | ( in @ ( ordered_pair @ SV498 @ SY947 ) @ SV404 ) ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2515]) ).

thf(2572,plain,
    ! [SV103: $i,SV364: $i,SV404: $i] :
      ( ( ( ~ ! [SY907: $i] :
                ( ! [SY908: $i] :
                    ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                | ( in @ SY907 @ SV364 ) )
          | ~ ! [SY909: $i,SY910: $i] :
                ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) )
        = $false )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2516]) ).

thf(2573,plain,
    ! [SV105: $i,SV365: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV365 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK53_C @ SV365 @ SV105 ) @ ( sK54_SY421 @ SV365 @ SV105 ) ) @ SV105 )
        = $false )
      | ( ( SV105 = SV365 )
        = $true )
      | ( ( relation @ SV365 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2517]) ).

thf(2574,plain,
    ! [SV366: $i,SV105: $i,SV499: $i,SV483: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV483 @ SV499 ) @ SV105 )
          | ( in @ ( ordered_pair @ SV483 @ SV499 ) @ SV366 ) )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2518]) ).

thf(2575,plain,
    ! [SV105: $i,SV366: $i,SV500: $i,SV484: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV484 @ SV500 ) @ SV366 )
          | ( in @ ( ordered_pair @ SV484 @ SV500 ) @ SV105 ) )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2519]) ).

thf(2576,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ! [SY925: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
          | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2520]) ).

thf(2577,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
          | ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2521]) ).

thf(2578,plain,
    ! [SV436: $i,SV239: $i,SV107: $i] :
      ( ( ( ~ ! [SY926: $i,SY927: $i] :
                ( ! [SY735: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                    | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
                | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) ) )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2522]) ).

thf(2579,plain,
    ! [SV107: $i,SV239: $i,SV436: $i] :
      ( ( ( ~ ! [SY929: $i,SY930: $i] :
                ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                    | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2522]) ).

thf(2580,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV111 )
        = $false )
      | ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2523]) ).

thf(2581,plain,
    ! [SV111: $i,SV305: $i,SV346: $i] :
      ( ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV305 )
        = $false )
      | ( ( in @ ( sK28_D @ SV346 @ SV305 @ SV111 ) @ SV346 )
        = $false )
      | ( ( SV346
          = ( set_union2 @ SV111 @ SV305 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2524]) ).

thf(2582,plain,
    ! [SV306: $i,SV347: $i,SV111: $i,SV485: $i] :
      ( ( ( ~ ( in @ SV485 @ SV111 ) )
        = $true )
      | ( ( in @ SV485 @ SV347 )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2526]) ).

thf(2583,plain,
    ! [SV111: $i,SV347: $i,SV306: $i,SV486: $i] :
      ( ( ( ~ ( in @ SV486 @ SV306 ) )
        = $true )
      | ( ( in @ SV486 @ SV347 )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2527]) ).

thf(2584,plain,
    ! [SV112: $i,SV451: $i,SV459: $i] :
      ( ( ( subset @ SV459 @ SV451 )
        = $false )
      | ( ( in @ SV451 @ ( sK41_B @ SV112 ) )
        = $false )
      | ( ( in @ SV459 @ ( sK41_B @ SV112 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2528]) ).

thf(2585,plain,
    ! [SV115: $i,SV376: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK14_SY392 @ SV376 @ SV115 ) @ ( sK13_C @ SV376 @ SV115 ) ) @ SV115 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK13_C @ SV376 @ SV115 ) @ ( sK14_SY392 @ SV376 @ SV115 ) ) @ SV376 )
        = $false )
      | ( ( SV376
          = ( relation_inverse @ SV115 ) )
        = $true )
      | ( ( relation @ SV376 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2530]) ).

thf(2586,plain,
    ! [SV115: $i,SV377: $i,SV501: $i,SV487: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV487 @ SV501 ) @ SV377 )
          | ( in @ ( ordered_pair @ SV501 @ SV487 ) @ SV115 ) )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2531]) ).

thf(2587,plain,
    ! [SV377: $i,SV115: $i,SV488: $i,SV502: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV502 @ SV488 ) @ SV115 )
          | ( in @ ( ordered_pair @ SV488 @ SV502 ) @ SV377 ) )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2532]) ).

thf(2588,plain,
    ! [SV252: $i,SV315: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK35_C @ SV315 @ SV252 ) @ ( sK36_SY405 @ SV315 @ SV252 ) ) @ SV315 )
        = $false )
      | ( ( ( sK35_C @ SV315 @ SV252 )
          = ( sK36_SY405 @ SV315 @ SV252 ) )
        = $false )
      | ( ( in @ ( sK35_C @ SV315 @ SV252 ) @ SV252 )
        = $false )
      | ( ( SV315
          = ( identity_relation @ SV252 ) )
        = $true )
      | ( ( relation @ SV315 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2533]) ).

thf(2589,plain,
    ! [SV316: $i,SV253: $i,SV478: $i,SV471: $i] :
      ( ( ( ( SV471 != SV478 ) )
        = $true )
      | ( ( ~ ( in @ SV471 @ SV253 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV471 @ SV478 ) @ SV316 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2536]) ).

thf(2590,plain,
    ! [SV253: $i,SV316: $i,SV503: $i] :
      ( ( ( ! [SY948: $i] :
              ( ~ ( in @ ( ordered_pair @ SV503 @ SY948 ) @ SV316 )
              | ( SV503 = SY948 ) ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2537]) ).

thf(2591,plain,
    ! [SV253: $i,SV316: $i,SV504: $i] :
      ( ( ( ! [SY949: $i] :
              ~ ( in @ ( ordered_pair @ SV504 @ SY949 ) @ SV316 )
          | ( in @ SV504 @ SV253 ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2538]) ).

thf(2592,plain,
    ! [SV352: $i,SV319: $i,SV472: $i,SV118: $i,SV461: $i] :
      ( ( ( in @ SV461 @ SV118 )
        = $false )
      | ( ( ~ ( in @ SV472 @ SV319 ) )
        = $true )
      | ( ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
           != ( ordered_pair @ SV461 @ SV472 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2539]) ).

thf(2593,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 ) )
        = $false )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2540]) ).

thf(2594,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ~ ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 ) )
        = $false )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2540]) ).

thf(2595,plain,
    ! [SV353: $i,SV462: $i,SV320: $i,SV489: $i,SV118: $i,SV479: $i] :
      ( ( ( ~ ( in @ SV479 @ SV118 )
          | ~ ( in @ SV489 @ SV320 ) )
        = $true )
      | ( ( ( SV462
           != ( ordered_pair @ SV479 @ SV489 ) ) )
        = $true )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2541]) ).

thf(2596,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
                | ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) ) )
        = $false )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2542]) ).

thf(2597,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ( SV463
           != ( ordered_pair @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) ) ) )
        = $false )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2542]) ).

thf(2598,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
          = SV119 )
        = $false )
      | ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2543]) ).

thf(2599,plain,
    ! [SV119: $i,SV323: $i,SV354: $i] :
      ( ( ( ( sK29_D @ SV354 @ SV323 @ SV119 )
          = SV323 )
        = $false )
      | ( ( in @ ( sK29_D @ SV354 @ SV323 @ SV119 ) @ SV354 )
        = $false )
      | ( ( SV354
          = ( unordered_pair @ SV119 @ SV323 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2544]) ).

thf(2600,plain,
    ! [SV324: $i,SV355: $i,SV119: $i,SV490: $i] :
      ( ( ( ( SV490 != SV119 ) )
        = $true )
      | ( ( in @ SV490 @ SV355 )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2546]) ).

thf(2601,plain,
    ! [SV119: $i,SV355: $i,SV324: $i,SV491: $i] :
      ( ( ( ( SV491 != SV324 ) )
        = $true )
      | ( ( in @ SV491 @ SV355 )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2547]) ).

thf(2602,plain,
    ! [SV473: $i,SV121: $i,SV411: $i] :
      ( ( ( in @ SV411 @ ( sK43_B @ SV121 ) )
        = $false )
      | ( ( in @ SV473 @ ( sK44_SY413 @ SV411 @ SV121 ) )
        = $true )
      | ( ( subset @ SV473 @ SV411 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2548]) ).

thf(2603,plain,
    ! [SV121: $i,SV453: $i,SV465: $i] :
      ( ( ( subset @ SV465 @ SV453 )
        = $false )
      | ( ( in @ SV453 @ ( sK43_B @ SV121 ) )
        = $false )
      | ( ( in @ SV465 @ ( sK43_B @ SV121 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2549]) ).

thf(2604,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 ) )
        = $false )
      | ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2550]) ).

thf(2605,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
        = $false )
      | ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2550]) ).

thf(2606,plain,
    ! [SV431: $i,SV385: $i,SV492: $i] :
      ( ( ( ~ ( in @ SV492 @ SV385 ) )
        = $true )
      | ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV492 )
        = $true )
      | ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2551]) ).

thf(2607,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK32_D @ SV493 @ SV432 @ SV386 ) @ SV386 )
              | ~ ~ ( in @ SV493 @ ( sK32_D @ SV493 @ SV432 @ SV386 ) ) ) )
        = $true )
      | ( ( in @ SV493 @ SV432 )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2552]) ).

thf(2608,plain,
    ! [SV386: $i,SV432: $i,SV494: $i] :
      ( ( ( ~ ( in @ SV494 @ SV432 ) )
        = $true )
      | ( ( ! [SY946: $i] :
              ( ~ ( in @ SY946 @ SV386 )
              | ( in @ SV494 @ SY946 ) ) )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2553]) ).

thf(2609,plain,
    ! [SV357: $i,SV125: $i,SV334: $i,SV466: $i] :
      ( ( ( in @ SV466 @ SV334 )
        = $false )
      | ( ( in @ SV466 @ SV125 )
        = $false )
      | ( ( in @ SV466 @ SV357 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2555]) ).

thf(2610,plain,
    ! [SV334: $i,SV125: $i,SV357: $i,SV495: $i] :
      ( ( ( ~ ( in @ SV495 @ SV357 ) )
        = $true )
      | ( ( in @ SV495 @ SV125 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2556]) ).

thf(2611,plain,
    ! [SV125: $i,SV334: $i,SV357: $i,SV496: $i] :
      ( ( ( ~ ( in @ SV496 @ SV357 ) )
        = $true )
      | ( ( in @ SV496 @ SV334 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2557]) ).

thf(2612,plain,
    ! [SV394: $i,SV126: $i,SV475: $i,SV497: $i] :
      ( ( ( in @ ( ordered_pair @ SV497 @ SV475 ) @ SV126 )
        = $false )
      | ( ( in @ SV475 @ SV394 )
        = $true )
      | ( ( SV394
          = ( relation_rng @ SV126 ) )
        = $false )
      | ( ( relation @ SV126 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2559]) ).

thf(2613,plain,
    ! [SV336: $i,SV455: $i,SV272: $i,SV477: $i] :
      ( ( ( in @ SV477 @ SV272 )
        = $false )
      | ( ( in @ SV455 @ SV477 )
        = $false )
      | ( ( in @ SV455 @ SV336 )
        = $true )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2562]) ).

thf(2614,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( in @ SV456 @ ( sK16_D @ SV456 @ SV336 @ SV272 ) )
        = $true )
      | ( ( in @ SV456 @ SV336 )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2563]) ).

thf(2615,plain,
    ! [SV272: $i,SV336: $i,SV456: $i] :
      ( ( ( in @ ( sK16_D @ SV456 @ SV336 @ SV272 ) @ SV272 )
        = $true )
      | ( ( in @ SV456 @ SV336 )
        = $false )
      | ( ( SV336
          = ( union @ SV272 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2564]) ).

thf(2616,plain,
    ! [SV281: $i,SV99: $i,SV340: $i,SV480: $i] :
      ( ( ( in @ SV480 @ SV340 )
        = $false )
      | ( ( in @ SV480 @ SV99 )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2565]) ).

thf(2617,plain,
    ! [SV99: $i,SV281: $i,SV340: $i,SV481: $i] :
      ( ( ( in @ SV481 @ SV340 )
        = $false )
      | ( ( ~ ( in @ SV481 @ SV281 ) )
        = $true )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2566]) ).

thf(2618,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2568]) ).

thf(2619,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
          | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2569]) ).

thf(2620,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
          | ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2570]) ).

thf(2621,plain,
    ! [SV404: $i,SV103: $i,SV505: $i,SV364: $i,SV498: $i] :
      ( ( ( ~ ( in @ SV498 @ SV364 )
          | ~ ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV103 )
          | ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV404 ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2571]) ).

thf(2622,plain,
    ! [SV103: $i,SV364: $i,SV404: $i] :
      ( ( ( ~ ! [SY907: $i] :
                ( ! [SY908: $i] :
                    ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
                | ( in @ SY907 @ SV364 ) ) )
        = $false )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2572]) ).

thf(2623,plain,
    ! [SV364: $i,SV103: $i,SV404: $i] :
      ( ( ( ~ ! [SY909: $i,SY910: $i] :
                ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
                | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) )
        = $false )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2572]) ).

thf(2624,plain,
    ! [SV366: $i,SV105: $i,SV499: $i,SV483: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV483 @ SV499 ) @ SV105 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV483 @ SV499 ) @ SV366 )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2574]) ).

thf(2625,plain,
    ! [SV105: $i,SV366: $i,SV500: $i,SV484: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV484 @ SV500 ) @ SV366 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV484 @ SV500 ) @ SV105 )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2575]) ).

thf(2626,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ! [SY925: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SY925 ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ SY925 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2576]) ).

thf(2627,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2577]) ).

thf(2628,plain,
    ! [SV436: $i,SV239: $i,SV107: $i] :
      ( ( ( ! [SY926: $i,SY927: $i] :
              ( ! [SY735: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY926 @ SY735 ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ SY735 @ SY927 ) @ SV239 ) )
              | ( in @ ( ordered_pair @ SY926 @ SY927 ) @ SV436 ) ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2578]) ).

thf(2629,plain,
    ! [SV107: $i,SV239: $i,SV436: $i] :
      ( ( ( ! [SY929: $i,SY930: $i] :
              ( ~ ( in @ ( ordered_pair @ SY929 @ SY930 ) @ SV436 )
              | ~ ( ~ ( in @ ( ordered_pair @ SY929 @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY930 @ SY929 @ SV436 @ SV239 @ SV107 ) @ SY930 ) @ SV239 ) ) ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2579]) ).

thf(2630,plain,
    ! [SV306: $i,SV347: $i,SV111: $i,SV485: $i] :
      ( ( ( in @ SV485 @ SV111 )
        = $false )
      | ( ( in @ SV485 @ SV347 )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2582]) ).

thf(2631,plain,
    ! [SV111: $i,SV347: $i,SV306: $i,SV486: $i] :
      ( ( ( in @ SV486 @ SV306 )
        = $false )
      | ( ( in @ SV486 @ SV347 )
        = $true )
      | ( ( SV347
          = ( set_union2 @ SV111 @ SV306 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2583]) ).

thf(2632,plain,
    ! [SV115: $i,SV377: $i,SV501: $i,SV487: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV487 @ SV501 ) @ SV377 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV501 @ SV487 ) @ SV115 )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2586]) ).

thf(2633,plain,
    ! [SV377: $i,SV115: $i,SV488: $i,SV502: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV502 @ SV488 ) @ SV115 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV488 @ SV502 ) @ SV377 )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2587]) ).

thf(2634,plain,
    ! [SV316: $i,SV253: $i,SV478: $i,SV471: $i] :
      ( ( ( SV471 = SV478 )
        = $false )
      | ( ( ~ ( in @ SV471 @ SV253 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV471 @ SV478 ) @ SV316 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2589]) ).

thf(2635,plain,
    ! [SV253: $i,SV316: $i,SV506: $i,SV503: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV503 @ SV506 ) @ SV316 )
          | ( SV503 = SV506 ) )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2590]) ).

thf(2636,plain,
    ! [SV253: $i,SV316: $i,SV504: $i] :
      ( ( ( ! [SY949: $i] :
              ~ ( in @ ( ordered_pair @ SV504 @ SY949 ) @ SV316 ) )
        = $true )
      | ( ( in @ SV504 @ SV253 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2591]) ).

thf(2637,plain,
    ! [SV352: $i,SV118: $i,SV461: $i,SV319: $i,SV472: $i] :
      ( ( ( in @ SV472 @ SV319 )
        = $false )
      | ( ( in @ SV461 @ SV118 )
        = $false )
      | ( ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
           != ( ordered_pair @ SV461 @ SV472 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2592]) ).

thf(2638,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( in @ ( sK26_SY400 @ SV352 @ SV319 @ SV118 ) @ SV118 )
        = $true )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2593]) ).

thf(2639,plain,
    ! [SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( in @ ( sK27_SY402 @ SV352 @ SV319 @ SV118 ) @ SV319 )
        = $true )
      | ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2594]) ).

thf(2640,plain,
    ! [SV353: $i,SV462: $i,SV320: $i,SV489: $i,SV118: $i,SV479: $i] :
      ( ( ( ~ ( in @ SV479 @ SV118 ) )
        = $true )
      | ( ( ~ ( in @ SV489 @ SV320 ) )
        = $true )
      | ( ( ( SV462
           != ( ordered_pair @ SV479 @ SV489 ) ) )
        = $true )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2595]) ).

thf(2641,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
              | ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) ) )
        = $true )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2596]) ).

thf(2642,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( SV463
          = ( ordered_pair @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) ) )
        = $true )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2597]) ).

thf(2643,plain,
    ! [SV324: $i,SV355: $i,SV119: $i,SV490: $i] :
      ( ( ( SV490 = SV119 )
        = $false )
      | ( ( in @ SV490 @ SV355 )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2600]) ).

thf(2644,plain,
    ! [SV119: $i,SV355: $i,SV324: $i,SV491: $i] :
      ( ( ( SV491 = SV324 )
        = $false )
      | ( ( in @ SV491 @ SV355 )
        = $true )
      | ( ( SV355
          = ( unordered_pair @ SV119 @ SV324 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2601]) ).

thf(2645,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
        = $true )
      | ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2604]) ).

thf(2646,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2605]) ).

thf(2647,plain,
    ! [SV431: $i,SV385: $i,SV492: $i] :
      ( ( ( in @ SV492 @ SV385 )
        = $false )
      | ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV492 )
        = $true )
      | ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2606]) ).

thf(2648,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( ~ ( in @ ( sK32_D @ SV493 @ SV432 @ SV386 ) @ SV386 )
          | ~ ~ ( in @ SV493 @ ( sK32_D @ SV493 @ SV432 @ SV386 ) ) )
        = $false )
      | ( ( in @ SV493 @ SV432 )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2607]) ).

thf(2649,plain,
    ! [SV386: $i,SV432: $i,SV494: $i] :
      ( ( ( in @ SV494 @ SV432 )
        = $false )
      | ( ( ! [SY946: $i] :
              ( ~ ( in @ SY946 @ SV386 )
              | ( in @ SV494 @ SY946 ) ) )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2608]) ).

thf(2650,plain,
    ! [SV334: $i,SV125: $i,SV357: $i,SV495: $i] :
      ( ( ( in @ SV495 @ SV357 )
        = $false )
      | ( ( in @ SV495 @ SV125 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2610]) ).

thf(2651,plain,
    ! [SV125: $i,SV334: $i,SV357: $i,SV496: $i] :
      ( ( ( in @ SV496 @ SV357 )
        = $false )
      | ( ( in @ SV496 @ SV334 )
        = $true )
      | ( ( SV357
          = ( set_intersection2 @ SV125 @ SV334 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2611]) ).

thf(2652,plain,
    ! [SV99: $i,SV340: $i,SV281: $i,SV481: $i] :
      ( ( ( in @ SV481 @ SV281 )
        = $false )
      | ( ( in @ SV481 @ SV340 )
        = $false )
      | ( ( SV340
          = ( set_difference @ SV99 @ SV281 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2617]) ).

thf(2653,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
        = $false )
      | ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 ) )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2618]) ).

thf(2654,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2619]) ).

thf(2655,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 )
        = $true )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2620]) ).

thf(2656,plain,
    ! [SV404: $i,SV103: $i,SV505: $i,SV364: $i,SV498: $i] :
      ( ( ( ~ ( in @ SV498 @ SV364 )
          | ~ ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV103 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV404 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2621]) ).

thf(2657,plain,
    ! [SV103: $i,SV364: $i,SV404: $i] :
      ( ( ( ! [SY907: $i] :
              ( ! [SY908: $i] :
                  ~ ( in @ ( ordered_pair @ SY907 @ SY908 ) @ SV404 )
              | ( in @ SY907 @ SV364 ) ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2622]) ).

thf(2658,plain,
    ! [SV364: $i,SV103: $i,SV404: $i] :
      ( ( ( ! [SY909: $i,SY910: $i] :
              ( ~ ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV404 )
              | ( in @ ( ordered_pair @ SY909 @ SY910 ) @ SV103 ) ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2623]) ).

thf(2659,plain,
    ! [SV366: $i,SV105: $i,SV499: $i,SV483: $i] :
      ( ( ( in @ ( ordered_pair @ SV483 @ SV499 ) @ SV105 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV483 @ SV499 ) @ SV366 )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2624]) ).

thf(2660,plain,
    ! [SV105: $i,SV366: $i,SV500: $i,SV484: $i] :
      ( ( ( in @ ( ordered_pair @ SV484 @ SV500 ) @ SV366 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV484 @ SV500 ) @ SV105 )
        = $true )
      | ( ( SV105 = SV366 )
        = $false )
      | ( ( relation @ SV366 )
        = $false )
      | ( ( relation @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2625]) ).

thf(2661,plain,
    ! [SV507: $i,SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SV507 ) @ SV107 )
          | ~ ( in @ ( ordered_pair @ SV507 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2626]) ).

thf(2662,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
          | ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2627]) ).

thf(2663,plain,
    ! [SV436: $i,SV239: $i,SV107: $i,SV508: $i] :
      ( ( ( ! [SY950: $i] :
              ( ! [SY951: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV508 @ SY951 ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ SY951 @ SY950 ) @ SV239 ) )
              | ( in @ ( ordered_pair @ SV508 @ SY950 ) @ SV436 ) ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2628]) ).

thf(2664,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV509: $i] :
      ( ( ( ! [SY952: $i] :
              ( ~ ( in @ ( ordered_pair @ SV509 @ SY952 ) @ SV436 )
              | ~ ( ~ ( in @ ( ordered_pair @ SV509 @ ( sK9_F @ SY952 @ SV509 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY952 @ SV509 @ SV436 @ SV239 @ SV107 ) @ SY952 ) @ SV239 ) ) ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2629]) ).

thf(2665,plain,
    ! [SV115: $i,SV377: $i,SV501: $i,SV487: $i] :
      ( ( ( in @ ( ordered_pair @ SV487 @ SV501 ) @ SV377 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV501 @ SV487 ) @ SV115 )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2632]) ).

thf(2666,plain,
    ! [SV377: $i,SV115: $i,SV488: $i,SV502: $i] :
      ( ( ( in @ ( ordered_pair @ SV502 @ SV488 ) @ SV115 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV488 @ SV502 ) @ SV377 )
        = $true )
      | ( ( SV377
          = ( relation_inverse @ SV115 ) )
        = $false )
      | ( ( relation @ SV377 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2633]) ).

thf(2667,plain,
    ! [SV316: $i,SV478: $i,SV253: $i,SV471: $i] :
      ( ( ( in @ SV471 @ SV253 )
        = $false )
      | ( ( SV471 = SV478 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV471 @ SV478 ) @ SV316 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2634]) ).

thf(2668,plain,
    ! [SV253: $i,SV316: $i,SV506: $i,SV503: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV503 @ SV506 ) @ SV316 ) )
        = $true )
      | ( ( SV503 = SV506 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2635]) ).

thf(2669,plain,
    ! [SV253: $i,SV316: $i,SV510: $i,SV504: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV504 @ SV510 ) @ SV316 ) )
        = $true )
      | ( ( in @ SV504 @ SV253 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2636]) ).

thf(2670,plain,
    ! [SV472: $i,SV461: $i,SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
          = ( ordered_pair @ SV461 @ SV472 ) )
        = $false )
      | ( ( in @ SV461 @ SV118 )
        = $false )
      | ( ( in @ SV472 @ SV319 )
        = $false )
      | ( ( ~ ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 ) )
        = $true )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2637]) ).

thf(2671,plain,
    ! [SV353: $i,SV462: $i,SV320: $i,SV489: $i,SV118: $i,SV479: $i] :
      ( ( ( in @ SV479 @ SV118 )
        = $false )
      | ( ( ~ ( in @ SV489 @ SV320 ) )
        = $true )
      | ( ( ( SV462
           != ( ordered_pair @ SV479 @ SV489 ) ) )
        = $true )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2640]) ).

thf(2672,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
          | ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
        = $false )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2641]) ).

thf(2673,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 )
        = $false )
      | ( ( in @ ( sK34_SY403 @ SV431 @ SV385 ) @ SV385 )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2645]) ).

thf(2674,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) )
        = $false )
      | ( ( ~ ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 ) )
        = $true )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2646]) ).

thf(2675,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( ~ ( in @ ( sK32_D @ SV493 @ SV432 @ SV386 ) @ SV386 ) )
        = $false )
      | ( ( in @ SV493 @ SV432 )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2648]) ).

thf(2676,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( ~ ~ ( in @ SV493 @ ( sK32_D @ SV493 @ SV432 @ SV386 ) ) )
        = $false )
      | ( ( in @ SV493 @ SV432 )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2648]) ).

thf(2677,plain,
    ! [SV432: $i,SV494: $i,SV386: $i,SV511: $i] :
      ( ( ( ~ ( in @ SV511 @ SV386 )
          | ( in @ SV494 @ SV511 ) )
        = $true )
      | ( ( in @ SV494 @ SV432 )
        = $false )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2649]) ).

thf(2678,plain,
    ! [SV103: $i,SV363: $i,SV403: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV403 )
        = $false )
      | ( ( in @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ SV363 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK59_D @ SV403 @ SV363 @ SV103 ) @ ( sK60_SY425 @ SV403 @ SV363 @ SV103 ) ) @ SV103 )
        = $false )
      | ( ( SV403
          = ( relation_dom_restriction @ SV103 @ SV363 ) )
        = $true )
      | ( ( relation @ SV403 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2653]) ).

thf(2679,plain,
    ! [SV404: $i,SV103: $i,SV505: $i,SV364: $i,SV498: $i] :
      ( ( ( ~ ( in @ SV498 @ SV364 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV103 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV404 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2656]) ).

thf(2680,plain,
    ! [SV103: $i,SV364: $i,SV404: $i,SV512: $i] :
      ( ( ( ! [SY953: $i] :
              ~ ( in @ ( ordered_pair @ SV512 @ SY953 ) @ SV404 )
          | ( in @ SV512 @ SV364 ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2657]) ).

thf(2681,plain,
    ! [SV364: $i,SV103: $i,SV404: $i,SV513: $i] :
      ( ( ( ! [SY954: $i] :
              ( ~ ( in @ ( ordered_pair @ SV513 @ SY954 ) @ SV404 )
              | ( in @ ( ordered_pair @ SV513 @ SY954 ) @ SV103 ) ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2658]) ).

thf(2682,plain,
    ! [SV507: $i,SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SV507 ) @ SV107 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV507 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2661]) ).

thf(2683,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2662]) ).

thf(2684,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2662]) ).

thf(2685,plain,
    ! [SV436: $i,SV239: $i,SV514: $i,SV107: $i,SV508: $i] :
      ( ( ( ! [SY955: $i] :
              ( ~ ( in @ ( ordered_pair @ SV508 @ SY955 ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ SY955 @ SV514 ) @ SV239 ) )
          | ( in @ ( ordered_pair @ SV508 @ SV514 ) @ SV436 ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2663]) ).

thf(2686,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV515: $i,SV509: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 )
          | ~ ( ~ ( in @ ( ordered_pair @ SV509 @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) @ SV515 ) @ SV239 ) ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2664]) ).

thf(2687,plain,
    ! [SV253: $i,SV316: $i,SV506: $i,SV503: $i] :
      ( ( ( in @ ( ordered_pair @ SV503 @ SV506 ) @ SV316 )
        = $false )
      | ( ( SV503 = SV506 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2668]) ).

thf(2688,plain,
    ! [SV253: $i,SV316: $i,SV510: $i,SV504: $i] :
      ( ( ( in @ ( ordered_pair @ SV504 @ SV510 ) @ SV316 )
        = $false )
      | ( ( in @ SV504 @ SV253 )
        = $true )
      | ( ( SV316
          = ( identity_relation @ SV253 ) )
        = $false )
      | ( ( relation @ SV316 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2669]) ).

thf(2689,plain,
    ! [SV461: $i,SV472: $i,SV118: $i,SV319: $i,SV352: $i] :
      ( ( ( in @ ( sK25_D @ SV352 @ SV319 @ SV118 ) @ SV352 )
        = $false )
      | ( ( in @ SV472 @ SV319 )
        = $false )
      | ( ( in @ SV461 @ SV118 )
        = $false )
      | ( ( ( sK25_D @ SV352 @ SV319 @ SV118 )
          = ( ordered_pair @ SV461 @ SV472 ) )
        = $false )
      | ( ( SV352
          = ( cartesian_product2 @ SV118 @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2670]) ).

thf(2690,plain,
    ! [SV353: $i,SV462: $i,SV118: $i,SV479: $i,SV320: $i,SV489: $i] :
      ( ( ( in @ SV489 @ SV320 )
        = $false )
      | ( ( in @ SV479 @ SV118 )
        = $false )
      | ( ( ( SV462
           != ( ordered_pair @ SV479 @ SV489 ) ) )
        = $true )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2671]) ).

thf(2691,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 ) )
        = $false )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2672]) ).

thf(2692,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( ~ ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 ) )
        = $false )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2672]) ).

thf(2693,plain,
    ! [SV385: $i,SV431: $i] :
      ( ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ SV431 )
        = $false )
      | ( ( in @ ( sK33_C @ SV431 @ SV385 ) @ ( sK34_SY403 @ SV431 @ SV385 ) )
        = $false )
      | ( ( SV431
          = ( set_meet @ SV385 ) )
        = $true )
      | ( ( SV385 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2674]) ).

thf(2694,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( in @ ( sK32_D @ SV493 @ SV432 @ SV386 ) @ SV386 )
        = $true )
      | ( ( in @ SV493 @ SV432 )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2675]) ).

thf(2695,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( ~ ( in @ SV493 @ ( sK32_D @ SV493 @ SV432 @ SV386 ) ) )
        = $true )
      | ( ( in @ SV493 @ SV432 )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2676]) ).

thf(2696,plain,
    ! [SV432: $i,SV494: $i,SV386: $i,SV511: $i] :
      ( ( ( ~ ( in @ SV511 @ SV386 ) )
        = $true )
      | ( ( in @ SV494 @ SV511 )
        = $true )
      | ( ( in @ SV494 @ SV432 )
        = $false )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2677]) ).

thf(2697,plain,
    ! [SV404: $i,SV103: $i,SV505: $i,SV364: $i,SV498: $i] :
      ( ( ( in @ SV498 @ SV364 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV103 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV404 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2679]) ).

thf(2698,plain,
    ! [SV103: $i,SV364: $i,SV404: $i,SV512: $i] :
      ( ( ( ! [SY953: $i] :
              ~ ( in @ ( ordered_pair @ SV512 @ SY953 ) @ SV404 ) )
        = $true )
      | ( ( in @ SV512 @ SV364 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2680]) ).

thf(2699,plain,
    ! [SV364: $i,SV103: $i,SV404: $i,SV516: $i,SV513: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV513 @ SV516 ) @ SV404 )
          | ( in @ ( ordered_pair @ SV513 @ SV516 ) @ SV103 ) )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2681]) ).

thf(2700,plain,
    ! [SV507: $i,SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SV507 ) @ SV107 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV507 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2682]) ).

thf(2701,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) ) @ SV107 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2683]) ).

thf(2702,plain,
    ! [SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK12_SY391 @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2684]) ).

thf(2703,plain,
    ! [SV436: $i,SV239: $i,SV514: $i,SV107: $i,SV508: $i] :
      ( ( ( ! [SY955: $i] :
              ( ~ ( in @ ( ordered_pair @ SV508 @ SY955 ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ SY955 @ SV514 ) @ SV239 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV508 @ SV514 ) @ SV436 )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2685]) ).

thf(2704,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV515: $i,SV509: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV509 @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) @ SV515 ) @ SV239 ) ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2686]) ).

thf(2705,plain,
    ! [SV353: $i,SV320: $i,SV118: $i,SV489: $i,SV479: $i,SV462: $i] :
      ( ( ( SV462
          = ( ordered_pair @ SV479 @ SV489 ) )
        = $false )
      | ( ( in @ SV479 @ SV118 )
        = $false )
      | ( ( in @ SV489 @ SV320 )
        = $false )
      | ( ( in @ SV462 @ SV353 )
        = $true )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2690]) ).

thf(2706,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( in @ ( sK23_E @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV118 )
        = $true )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2691]) ).

thf(2707,plain,
    ! [SV118: $i,SV320: $i,SV353: $i,SV463: $i] :
      ( ( ( in @ ( sK24_SY397 @ SV463 @ SV353 @ SV320 @ SV118 ) @ SV320 )
        = $true )
      | ( ( in @ SV463 @ SV353 )
        = $false )
      | ( ( SV353
          = ( cartesian_product2 @ SV118 @ SV320 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2692]) ).

thf(2708,plain,
    ! [SV386: $i,SV432: $i,SV493: $i] :
      ( ( ( in @ SV493 @ ( sK32_D @ SV493 @ SV432 @ SV386 ) )
        = $false )
      | ( ( in @ SV493 @ SV432 )
        = $true )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2695]) ).

thf(2709,plain,
    ! [SV432: $i,SV494: $i,SV386: $i,SV511: $i] :
      ( ( ( in @ SV511 @ SV386 )
        = $false )
      | ( ( in @ SV494 @ SV511 )
        = $true )
      | ( ( in @ SV494 @ SV432 )
        = $false )
      | ( ( SV432
          = ( set_meet @ SV386 ) )
        = $false )
      | ( ( SV386 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2696]) ).

thf(2710,plain,
    ! [SV404: $i,SV364: $i,SV103: $i,SV505: $i,SV498: $i] :
      ( ( ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV103 )
        = $false )
      | ( ( in @ SV498 @ SV364 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV498 @ SV505 ) @ SV404 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2697]) ).

thf(2711,plain,
    ! [SV103: $i,SV364: $i,SV404: $i,SV517: $i,SV512: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV512 @ SV517 ) @ SV404 ) )
        = $true )
      | ( ( in @ SV512 @ SV364 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2698]) ).

thf(2712,plain,
    ! [SV364: $i,SV103: $i,SV404: $i,SV516: $i,SV513: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV513 @ SV516 ) @ SV404 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV513 @ SV516 ) @ SV103 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2699]) ).

thf(2713,plain,
    ! [SV107: $i,SV239: $i,SV435: $i,SV507: $i] :
      ( ( ( in @ ( ordered_pair @ SV507 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SV507 ) @ SV107 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 ) )
        = $true )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2700]) ).

thf(2714,plain,
    ! [SV436: $i,SV239: $i,SV514: $i,SV107: $i,SV518: $i,SV508: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV508 @ SV518 ) @ SV107 )
          | ~ ( in @ ( ordered_pair @ SV518 @ SV514 ) @ SV239 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV508 @ SV514 ) @ SV436 )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2703]) ).

thf(2715,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV515: $i,SV509: $i] :
      ( ( ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV509 @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) @ SV515 ) @ SV239 ) ) )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2704]) ).

thf(2716,plain,
    ! [SV103: $i,SV364: $i,SV404: $i,SV517: $i,SV512: $i] :
      ( ( ( in @ ( ordered_pair @ SV512 @ SV517 ) @ SV404 )
        = $false )
      | ( ( in @ SV512 @ SV364 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2711]) ).

thf(2717,plain,
    ! [SV364: $i,SV103: $i,SV404: $i,SV516: $i,SV513: $i] :
      ( ( ( in @ ( ordered_pair @ SV513 @ SV516 ) @ SV404 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV513 @ SV516 ) @ SV103 )
        = $true )
      | ( ( SV404
          = ( relation_dom_restriction @ SV103 @ SV364 ) )
        = $false )
      | ( ( relation @ SV404 )
        = $false )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2712]) ).

thf(2718,plain,
    ! [SV507: $i,SV107: $i,SV239: $i,SV435: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV435 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV435 @ SV239 @ SV107 ) @ SV507 ) @ SV107 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV507 @ ( sK11_SY387 @ SV435 @ SV239 @ SV107 ) ) @ SV239 )
        = $false )
      | ( ( SV435
          = ( relation_composition @ SV107 @ SV239 ) )
        = $true )
      | ( ( relation @ SV435 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2713]) ).

thf(2719,plain,
    ! [SV436: $i,SV239: $i,SV514: $i,SV107: $i,SV518: $i,SV508: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV508 @ SV518 ) @ SV107 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV518 @ SV514 ) @ SV239 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV508 @ SV514 ) @ SV436 )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2714]) ).

thf(2720,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV515: $i,SV509: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV509 @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
          | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) @ SV515 ) @ SV239 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2715]) ).

thf(2721,plain,
    ! [SV436: $i,SV239: $i,SV514: $i,SV107: $i,SV518: $i,SV508: $i] :
      ( ( ( in @ ( ordered_pair @ SV508 @ SV518 ) @ SV107 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV518 @ SV514 ) @ SV239 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV508 @ SV514 ) @ SV436 )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2719]) ).

thf(2722,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV515: $i,SV509: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV509 @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) ) @ SV107 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2720]) ).

thf(2723,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV509: $i,SV515: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) @ SV515 ) @ SV239 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2720]) ).

thf(2724,plain,
    ! [SV436: $i,SV107: $i,SV508: $i,SV239: $i,SV514: $i,SV518: $i] :
      ( ( ( in @ ( ordered_pair @ SV518 @ SV514 ) @ SV239 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV508 @ SV518 ) @ SV107 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV508 @ SV514 ) @ SV436 )
        = $true )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2721]) ).

thf(2725,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV515: $i,SV509: $i] :
      ( ( ( in @ ( ordered_pair @ SV509 @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) ) @ SV107 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2722]) ).

thf(2726,plain,
    ! [SV107: $i,SV239: $i,SV436: $i,SV509: $i,SV515: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK9_F @ SV515 @ SV509 @ SV436 @ SV239 @ SV107 ) @ SV515 ) @ SV239 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV509 @ SV515 ) @ SV436 )
        = $false )
      | ( ( SV436
          = ( relation_composition @ SV107 @ SV239 ) )
        = $false )
      | ( ( relation @ SV436 )
        = $false )
      | ( ( relation @ SV239 )
        = $false )
      | ( ( relation @ SV107 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2723]) ).

thf(2727,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[582,2726,2725,2724,2718,2717,2716,2710,2709,2708,2707,2706,2705,2702,2701,2694,2693,2689,2688,2687,2678,2673,2667,2666,2665,2660,2659,2655,2654,2652,2651,2650,2647,2644,2643,2642,2639,2638,2631,2630,2616,2615,2614,2613,2612,2609,2603,2602,2599,2598,2588,2585,2584,2581,2580,2573,2567,2561,2560,2558,2554,2545,2535,2534,2529,2525,2512,2510,2507,2506,2496,2495,2480,2469,2466,2457,2456,2453,2440,2439,2436,2435,2419,2402,2401,2394,2383,2375,2374,2370,2369,2355,2348,2347,2340,2339,2336,2323,2316,2315,2311,2308,2307,2298,2297,2292,2289,2285,2267,2257,2256,2255,2233,2227,2226,2225,2222,2210,2209,2194,2193,2181,2179,2178,2173,2170,2169,2152,2151,2140,2138,2130,2129,2112,2109,2102,2100,2099,2094,2093,2081,2080,2077,2076,2073,2059,2058,2029,2028,2025,1993,1989,1984,1972,1960,1957,1950,1937,1927,1904,1903,1897,1896,1890,1883,1882,1879,1878,1876,1875,1874,1857,1837,1830,1829,1826,1825,1806,1805,1802,1801,1796,1795,1787,1786,1767,1766,1753,1752,1751,1748,1747,1746,1745,1742,1741,1734,1733,1728,1727,1718,1708,1678,1654,1646,1645,1614,1607,1605,1603,1602,1601,1596,1595,1559,1478,1468,1465,1463,1461,1460,1459,1458,1451,1450,1449,1443,1438,1437,1415,1414,1407,1406,1380,1318,1317,1315,1314,1313,1311,1310,1309,1307,1306,1305,1304,1299,1296,1290,1285,1283,1282,1281,1279,1278,1273,1269,1265,1263,1262,1261,1217,1216,1207,1171,1170,1148,1136,1134,1128,1114,1111,1104,1103,1089,1085,970,963,961,954,952,951,950,942,939,938,931,916,906,899,831,825,824,822,820,816,812,811,803,797,787,785,769,762,741,666,648,635]) ).

thf(2728,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[2727]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SEU196+2 : TPTP v8.1.0. Released v3.3.0.
% 0.06/0.12  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.33  % Computer : n017.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jun 19 08:31:58 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.40  .....
% 0.18/0.46  
% 0.18/0.46   No.of.Axioms: 186
% 0.18/0.46  
% 0.18/0.46   Length.of.Defs: 0
% 0.18/0.46  
% 0.18/0.46   Contains.Choice.Funs: false
% 0.18/0.50  ............
% 0.38/0.58  (rf:2,axioms:166,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:188,loop_count:0,foatp_calls:0,translation:fof_full).............................................................................................................................................................................................................
% 14.69/14.88  
% 14.69/14.88  ********************************
% 14.69/14.88  *   All subproblems solved!    *
% 14.69/14.88  ********************************
% 14.69/14.88  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:2,axioms:167,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:2727,loop_count:0,foatp_calls:1,translation:fof_full)
% 16.90/17.14  
% 16.90/17.14  %**** Beginning of derivation protocol ****
% 16.90/17.14  % SZS output start CNFRefutation
% See solution above
% 16.90/17.15  
% 16.90/17.15  %**** End of derivation protocol ****
% 16.90/17.15  %**** no. of clauses in derivation: 2708 ****
% 16.90/17.15  %**** clause counter: 2727 ****
% 16.90/17.15  
% 16.90/17.15  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:2,axioms:167,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:2727,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------