TSTP Solution File: SEU188+2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU188+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 : n015.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 12:07:53 EDT 2022

% Result   : Theorem 1.10s 1.54s
% Output   : CNFRefutation 2.60s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :  210
% Syntax   : Number of formulae    : 2187 (1065 unt;  80 typ;   0 def)
%            Number of atoms       : 15352 (5488 equ;   0 cnn)
%            Maximal formula atoms :   11 (   7 avg)
%            Number of connectives : 34114 (5781   ~;5399   |; 364   &;22296   @)
%                                         (  96 <=>; 178  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  151 ( 151   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   83 (  80 usr;   8 con; 0-5 aty)
%            Number of variables   : 6381 (   0   ^6349   !;  32   ?;6381   :)

% 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_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_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_SY304,type,
    sK11_SY304: $i > $i > $i > $i ).

thf(tp_sK12_SY308,type,
    sK12_SY308: $i > $i > $i > $i ).

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

thf(tp_sK14_SY309,type,
    sK14_SY309: $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_SY311,type,
    sK18_SY311: $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_E,type,
    sK21_E: $i > $i > $i > $i > $i ).

thf(tp_sK22_SY312,type,
    sK22_SY312: $i > $i > $i > $i > $i ).

thf(tp_sK23_D,type,
    sK23_D: $i > $i > $i > $i ).

thf(tp_sK24_SY315,type,
    sK24_SY315: $i > $i > $i > $i ).

thf(tp_sK25_SY317,type,
    sK25_SY317: $i > $i > $i > $i ).

thf(tp_sK26_D,type,
    sK26_D: $i > $i > $i > $i ).

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

thf(tp_sK28_C,type,
    sK28_C: $i > $i > $i ).

thf(tp_sK29_C,type,
    sK29_C: $i > $i > $i ).

thf(tp_sK2_B,type,
    sK2_B: $i > $i ).

thf(tp_sK30_C,type,
    sK30_C: $i > $i > $i ).

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

thf(tp_sK32_B,type,
    sK32_B: $i > $i ).

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

thf(tp_sK34_A,type,
    sK34_A: $i ).

thf(tp_sK35_A,type,
    sK35_A: $i ).

thf(tp_sK36_D,type,
    sK36_D: $i > $i > $i > $i ).

thf(tp_sK37_C,type,
    sK37_C: $i > $i > $i ).

thf(tp_sK38_SY323,type,
    sK38_SY323: $i > $i > $i ).

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

thf(tp_sK3_SY299,type,
    sK3_SY299: $i > $i > $i ).

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

thf(tp_sK41_SY325,type,
    sK41_SY325: $i > $i > $i ).

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

thf(tp_sK43_D,type,
    sK43_D: $i > $i > $i > $i ).

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

thf(tp_sK45_SY326,type,
    sK45_SY326: $i > $i > $i ).

thf(tp_sK46_C,type,
    sK46_C: $i > $i > $i ).

thf(tp_sK47_SY328,type,
    sK47_SY328: $i > $i > $i ).

thf(tp_sK48_B,type,
    sK48_B: $i > $i ).

thf(tp_sK49_B,type,
    sK49_B: $i > $i ).

thf(tp_sK4_C,type,
    sK4_C: $i > $i > $i ).

thf(tp_sK50_SY331,type,
    sK50_SY331: $i > $i ).

thf(tp_sK5_A,type,
    sK5_A: $i ).

thf(tp_sK6_B,type,
    sK6_B: $i > $i ).

thf(tp_sK7_A,type,
    sK7_A: $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/sandbox/benchmark/theBenchmark.p',t9_tarski) ).

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

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

thf(4,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox/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/sandbox/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/sandbox/benchmark/theBenchmark.p',t4_subset) ).

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

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

thf(9,axiom,
    ! [A: $i] :
      ( ( set_difference @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox/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/sandbox/benchmark/theBenchmark.p',t2_tarski) ).

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

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

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

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

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

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

thf(20,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_xboole_0) ).

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

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

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

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

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

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

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

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

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

thf(33,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_dom @ A ) )
        & ( relation @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_rng @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(35,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_dom @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(36,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
        & ~ ( empty @ B ) )
     => ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc4_subset_1) ).

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

thf(38,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(39,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( unordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(40,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(41,axiom,
    ! [A: $i] :
      ~ ( empty @ ( singleton @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(42,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_relat_1) ).

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

thf(44,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(45,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(52,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( relation_composition @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_relat_1) ).

thf(55,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_inverse @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_relat_1) ).

thf(70,axiom,
    ! [A: $i,B: $i] :
      ( ( proper_subset @ A @ B )
    <=> ( ( subset @ A @ B )
        & ( A != B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d8_xboole_0) ).

thf(72,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/sandbox/benchmark/theBenchmark.p',d8_relat_1) ).

thf(73,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_intersection2 @ A @ B )
        = empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d7_xboole_0) ).

thf(74,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/sandbox/benchmark/theBenchmark.p',d7_relat_1) ).

thf(75,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_field @ A )
        = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d6_relat_1) ).

thf(76,axiom,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_tarski) ).

thf(78,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/sandbox/benchmark/theBenchmark.p',d5_relat_1) ).

thf(79,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/sandbox/benchmark/theBenchmark.p',d4_xboole_0) ).

thf(80,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( union @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ? [D: $i] :
              ( ( in @ C @ D )
              & ( in @ D @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_tarski) ).

thf(82,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/sandbox/benchmark/theBenchmark.p',d4_relat_1) ).

thf(83,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/sandbox/benchmark/theBenchmark.p',d3_xboole_0) ).

thf(84,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_tarski) ).

thf(85,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/sandbox/benchmark/theBenchmark.p',d2_zfmisc_1) ).

thf(86,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/sandbox/benchmark/theBenchmark.p',d2_xboole_0) ).

thf(87,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( unordered_pair @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( D = A )
            | ( D = B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_tarski) ).

thf(88,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( in @ B @ A ) ) )
      & ( ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( empty @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_subset_1) ).

thf(89,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( powerset @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( subset @ C @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_zfmisc_1) ).

thf(90,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(91,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( singleton @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_tarski) ).

thf(92,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/sandbox/benchmark/theBenchmark.p',d1_setfam_1) ).

thf(93,axiom,
    ! [A: $i] :
      ( ( relation @ A )
    <=> ! [B: $i] :
          ~ ( ( in @ B @ A )
            & ! [C: $i,D: $i] :
                ( B
               != ( ordered_pair @ C @ D ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_relat_1) ).

thf(94,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(95,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ B )
      = ( set_intersection2 @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

thf(96,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

thf(98,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(100,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(101,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( B = C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t9_zfmisc_1) ).

thf(102,axiom,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(103,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t92_zfmisc_1) ).

thf(104,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t8_zfmisc_1) ).

thf(105,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t8_xboole_1) ).

thf(106,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_difference @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t83_xboole_1) ).

thf(107,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(108,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_zfmisc_1) ).

thf(109,axiom,
    ! [A: $i] :
      ( ( unordered_pair @ A @ A )
      = ( singleton @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t69_enumset1) ).

thf(110,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ ( singleton @ B ) )
        = A )
    <=> ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t65_zfmisc_1) ).

thf(111,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( disjoint @ B @ C ) )
     => ( disjoint @ A @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t63_xboole_1) ).

thf(112,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( subset @ A @ B )
        & ( proper_subset @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t60_xboole_1) ).

thf(113,axiom,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    & ( ( relation_rng @ empty_set )
      = empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t60_relat_1) ).

thf(114,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ! [B: $i,C: $i] :
            ~ ( in @ ( ordered_pair @ B @ C ) @ A )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t56_relat_1) ).

thf(117,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/sandbox/benchmark/theBenchmark.p',t4_xboole_0) ).

thf(118,axiom,
    ! [A: $i,B: $i] :
      ( ( set_difference @ A @ ( set_difference @ A @ B ) )
      = ( set_intersection2 @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t48_xboole_1) ).

thf(121,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/sandbox/benchmark/theBenchmark.p',t47_relat_1) ).

thf(122,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t46_zfmisc_1) ).

thf(124,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/sandbox/benchmark/theBenchmark.p',t46_relat_1) ).

thf(125,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( B
        = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t45_xboole_1) ).

thf(126,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t45_relat_1) ).

thf(127,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t44_relat_1) ).

thf(129,axiom,
    ! [A: $i,B: $i] :
      ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
      = ( set_difference @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t40_xboole_1) ).

thf(130,axiom,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(131,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/sandbox/benchmark/theBenchmark.p',t3_xboole_0) ).

thf(132,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t39_zfmisc_1) ).

thf(133,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
      = ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t39_xboole_1) ).

thf(134,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ ( unordered_pair @ A @ B ) @ C )
    <=> ( ( in @ A @ C )
        & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t38_zfmisc_1) ).

thf(135,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t37_zfmisc_1) ).

thf(136,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t37_xboole_1) ).

thf(137,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( relation_rng @ A )
          = ( relation_dom @ ( relation_inverse @ A ) ) )
        & ( ( relation_dom @ A )
          = ( relation_rng @ ( relation_inverse @ A ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t37_relat_1) ).

thf(138,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t36_xboole_1) ).

thf(139,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ordered_pair @ A @ B )
        = ( ordered_pair @ C @ D ) )
     => ( ( A = C )
        & ( B = D ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t33_zfmisc_1) ).

thf(140,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t33_xboole_1) ).

thf(141,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/sandbox/benchmark/theBenchmark.p',t30_relat_1) ).

thf(142,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(143,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_intersection2 @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t28_xboole_1) ).

thf(144,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t26_xboole_1) ).

thf(145,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/sandbox/benchmark/theBenchmark.p',t25_relat_1) ).

thf(146,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t21_relat_1) ).

thf(147,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/sandbox/benchmark/theBenchmark.p',t20_relat_1) ).

thf(148,axiom,
    ( ( powerset @ empty_set )
    = ( singleton @ empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_zfmisc_1) ).

thf(149,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ B @ C ) )
     => ( subset @ A @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_xboole_1) ).

thf(150,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ A @ C ) )
     => ( subset @ A @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t19_xboole_1) ).

thf(151,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t17_xboole_1) ).

thf(152,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/sandbox/benchmark/theBenchmark.p',t136_zfmisc_1) ).

thf(153,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_union2 @ A @ B )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t12_xboole_1) ).

thf(154,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/sandbox/benchmark/theBenchmark.p',t119_zfmisc_1) ).

thf(155,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/sandbox/benchmark/theBenchmark.p',t118_zfmisc_1) ).

thf(157,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/sandbox/benchmark/theBenchmark.p',t106_zfmisc_1) ).

thf(158,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) )
     => ( element @ A @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l71_subset_1) ).

thf(159,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/sandbox/benchmark/theBenchmark.p',l55_zfmisc_1) ).

thf(160,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l50_zfmisc_1) ).

thf(161,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l4_zfmisc_1) ).

thf(162,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( in @ C @ A )
        | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l3_zfmisc_1) ).

thf(163,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ C @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l3_subset_1) ).

thf(164,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l32_xboole_1) ).

thf(165,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l2_zfmisc_1) ).

thf(166,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( in @ A @ B )
     => ( disjoint @ ( singleton @ A ) @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l28_zfmisc_1) ).

thf(167,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( disjoint @ ( singleton @ A ) @ B )
        & ( in @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l25_zfmisc_1) ).

thf(168,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l23_zfmisc_1) ).

thf(169,axiom,
    ! [A: $i] :
      ( ( singleton @ A )
     != empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l1_zfmisc_1) ).

thf(170,conjecture,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( ( relation_dom @ A )
            = empty_set )
          | ( ( relation_rng @ A )
            = empty_set ) )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t64_relat_1) ).

thf(171,negated_conjecture,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( ( relation_dom @ A )
                = empty_set )
              | ( ( relation_rng @ A )
                = empty_set ) )
           => ( A = empty_set ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[170]) ).

thf(172,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( ( relation_dom @ A )
                = empty_set )
              | ( ( relation_rng @ A )
                = empty_set ) )
           => ( A = empty_set ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[171]) ).

thf(173,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(174,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(175,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(176,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(177,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(178,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(179,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(180,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(181,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(182,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
         => ( disjoint @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(183,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(184,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(185,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(186,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(187,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(188,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(189,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(190,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
            & ~ ( empty @ B ) )
         => ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(191,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(192,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(193,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(194,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(195,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(196,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(197,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( proper_subset @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( A != B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[70]) ).

thf(198,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)],[72]) ).

thf(199,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)],[74]) ).

thf(200,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[76]) ).

thf(201,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)],[79]) ).

thf(202,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)],[80]) ).

thf(203,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)],[83]) ).

thf(204,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[84]) ).

thf(205,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)],[85]) ).

thf(206,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)],[86]) ).

thf(207,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)],[87]) ).

thf(208,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)],[88]) ).

thf(209,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(210,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[91]) ).

thf(211,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[94]) ).

thf(212,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[95]) ).

thf(213,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[96]) ).

thf(214,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[100]) ).

thf(215,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
            = ( unordered_pair @ B @ C ) )
         => ( B = C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[101]) ).

thf(216,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[102]) ).

thf(217,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[103]) ).

thf(218,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
            = ( unordered_pair @ B @ C ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[104]) ).

thf(219,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)],[105]) ).

thf(220,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_difference @ A @ B )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[106]) ).

thf(221,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[107]) ).

thf(222,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[108]) ).

thf(223,plain,
    ( ( ! [A: $i] :
          ( ( unordered_pair @ A @ A )
          = ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[109]) ).

thf(224,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ ( singleton @ B ) )
            = A )
        <=> ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[110]) ).

thf(225,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( disjoint @ B @ C ) )
         => ( disjoint @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(226,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( subset @ A @ B )
            & ( proper_subset @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[112]) ).

thf(227,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)],[117]) ).

thf(228,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ A @ ( set_difference @ A @ B ) )
          = ( set_intersection2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[118]) ).

thf(229,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[122]) ).

thf(230,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[125]) ).

thf(231,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
          = ( set_difference @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[129]) ).

thf(232,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)],[131]) ).

thf(233,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
          = ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[133]) ).

thf(234,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)],[134]) ).

thf(235,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[135]) ).

thf(236,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[138]) ).

thf(237,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)],[139]) ).

thf(238,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)],[140]) ).

thf(239,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)],[141]) ).

thf(240,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[143]) ).

thf(241,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)],[144]) ).

thf(242,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ B @ C ) )
         => ( subset @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(243,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)],[150]) ).

thf(244,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[151]) ).

thf(245,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)],[152]) ).

thf(246,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(247,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)],[154]) ).

thf(248,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)],[155]) ).

thf(249,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)],[157]) ).

thf(250,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[158]) ).

thf(251,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)],[159]) ).

thf(252,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(253,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)],[162]) ).

thf(254,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[163]) ).

thf(255,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(256,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
         => ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[166]) ).

thf(257,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( disjoint @ ( singleton @ A ) @ B )
            & ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(258,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(259,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(260,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(261,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(262,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(263,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(264,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(265,plain,
    ( ( ? [A: $i] :
          ( ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(266,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(267,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( empty @ ( relation_rng @ A ) )
            & ( relation @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(268,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( empty @ ( relation_dom @ A ) )
            & ( relation @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(269,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty @ A )
            & ( relation @ A ) )
         => ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(270,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty @ A )
            & ( relation @ A ) )
         => ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(271,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(272,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(273,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(274,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(275,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(276,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[73]) ).

thf(277,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[75]) ).

thf(278,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)],[78]) ).

thf(279,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)],[82]) ).

thf(280,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[90]) ).

thf(281,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)],[92]) ).

thf(282,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)],[93]) ).

thf(283,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[98]) ).

thf(284,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[113]) ).

thf(285,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ! [B: $i,C: $i] :
                ~ ( in @ ( ordered_pair @ B @ C ) @ A )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[114]) ).

thf(286,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)],[121]) ).

thf(287,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)],[124]) ).

thf(288,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)],[126]) ).

thf(289,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)],[127]) ).

thf(290,plain,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[130]) ).

thf(291,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[132]) ).

thf(292,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[136]) ).

thf(293,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)],[137]) ).

thf(294,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[142]) ).

thf(295,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)],[145]) ).

thf(296,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(297,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)],[147]) ).

thf(298,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(299,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(300,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[164]) ).

thf(301,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[169]) ).

thf(302,plain,
    ( ( ( relation @ sK1_A )
     => ( ( ( ( relation_dom @ sK1_A )
            = empty_set )
          | ( ( relation_rng @ sK1_A )
            = empty_set ) )
       => ( sK1_A = empty_set ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[172]) ).

thf(303,plain,
    ( ( relation @ sK1_A )
    = $true ),
    inference(standard_cnf,[status(thm)],[302]) ).

thf(304,plain,
    ( ( ( ( relation_dom @ sK1_A )
        = empty_set )
      | ( ( relation_rng @ sK1_A )
        = empty_set ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[302]) ).

thf(305,plain,
    ( ( sK1_A = empty_set )
    = $false ),
    inference(standard_cnf,[status(thm)],[302]) ).

thf(306,plain,
    ( ( ( sK1_A != empty_set ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[305]) ).

thf(307,plain,
    ( ( ! [A: $i] :
          ( ! [SY297: $i] :
              ( ~ ( subset @ SY297 @ ( sK2_B @ A ) )
              | ( are_equipotent @ SY297 @ ( sK2_B @ A ) )
              | ( in @ SY297 @ ( sK2_B @ A ) ) )
          & ! [SY298: $i] :
              ( ( ! [SY303: $i] :
                    ( ~ ( subset @ SY303 @ SY298 )
                    | ( in @ SY303 @ ( sK3_SY299 @ SY298 @ A ) ) )
                & ( in @ ( sK3_SY299 @ SY298 @ A ) @ ( sK2_B @ A ) ) )
              | ~ ( in @ SY298 @ ( sK2_B @ A ) ) )
          & ! [SY301: $i,SY302: $i] :
              ( ~ ( in @ SY301 @ ( sK2_B @ A ) )
              | ~ ( subset @ SY302 @ SY301 )
              | ( in @ SY302 @ ( sK2_B @ A ) ) )
          & ( in @ A @ ( sK2_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[173]) ).

thf(308,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[174]) ).

thf(309,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[175]) ).

thf(310,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[176]) ).

thf(311,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[177]) ).

thf(312,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)],[178]) ).

thf(313,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK4_C @ B @ A ) @ A )
              | ~ ( in @ ( sK4_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK4_C @ B @ A ) @ A )
              | ( in @ ( sK4_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[179]) ).

thf(314,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[180]) ).

thf(315,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[181]) ).

thf(316,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[182]) ).

thf(317,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[183]) ).

thf(318,plain,
    ( ( ~ ( empty @ sK5_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[184]) ).

thf(319,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK6_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK6_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[185]) ).

thf(320,plain,
    ( ( empty @ sK7_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[186]) ).

thf(321,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK8_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK8_B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[187]) ).

thf(322,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[188]) ).

thf(323,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[189]) ).

thf(324,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( empty @ A )
          | ( empty @ B )
          | ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[190]) ).

thf(325,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[191]) ).

thf(326,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[193]) ).

thf(327,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)],[197]) ).

thf(328,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( ( ! [SY307: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ SY307 ) @ A )
                            | ~ ( in @ ( ordered_pair @ SY307 @ ( sK11_SY304 @ C @ B @ A ) ) @ B ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY304 @ C @ B @ A ) ) @ C ) )
                      & ( ( ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK12_SY308 @ C @ B @ A ) ) @ A )
                          & ( in @ ( ordered_pair @ ( sK12_SY308 @ C @ B @ A ) @ ( sK11_SY304 @ C @ B @ A ) ) @ B ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY304 @ 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)],[198]) ).

thf(329,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY309 @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ B @ A ) @ ( sK13_C @ B @ A ) ) @ A ) )
                  & ( ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY309 @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK14_SY309 @ 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)],[199]) ).

thf(330,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)],[201]) ).

thf(331,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY310: $i] :
                  ( ~ ( in @ ( sK17_C @ B @ A ) @ SY310 )
                  | ~ ( in @ SY310 @ A ) )
              | ~ ( in @ ( sK17_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK17_C @ B @ A ) @ ( sK18_SY311 @ B @ A ) )
                & ( in @ ( sK18_SY311 @ 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)],[202]) ).

thf(332,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK19_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK19_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK19_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK19_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK19_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK19_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK19_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)],[203]) ).

thf(333,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK20_C @ B @ A ) @ A )
            & ~ ( in @ ( sK20_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)],[204]) ).

thf(334,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ! [SY313: $i,SY314: $i] :
                      ( ~ ( in @ SY313 @ A )
                      | ~ ( in @ SY314 @ B )
                      | ( ( sK23_D @ C @ B @ A )
                       != ( ordered_pair @ SY313 @ SY314 ) ) )
                  | ~ ( in @ ( sK23_D @ C @ B @ A ) @ C ) )
                & ( ( ( in @ ( sK24_SY315 @ C @ B @ A ) @ A )
                    & ( in @ ( sK25_SY317 @ C @ B @ A ) @ B )
                    & ( ( sK23_D @ C @ B @ A )
                      = ( ordered_pair @ ( sK24_SY315 @ C @ B @ A ) @ ( sK25_SY317 @ C @ B @ A ) ) ) )
                  | ( in @ ( sK23_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 @ ( sK21_E @ D @ C @ B @ A ) @ A )
                      & ( in @ ( sK22_SY312 @ D @ C @ B @ A ) @ B )
                      & ( D
                        = ( ordered_pair @ ( sK21_E @ D @ C @ B @ A ) @ ( sK22_SY312 @ D @ C @ B @ A ) ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[205]) ).

thf(335,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK26_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK26_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK26_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK26_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK26_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK26_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK26_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)],[206]) ).

thf(336,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK27_D @ C @ B @ A ) @ C )
                  | ( ( sK27_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK27_D @ C @ B @ A ) @ C )
                  | ( ( sK27_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK27_D @ C @ B @ A ) @ C )
                  | ( ( sK27_D @ C @ B @ A )
                    = A )
                  | ( ( sK27_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)],[207]) ).

thf(337,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)],[208]) ).

thf(338,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK28_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK28_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK28_C @ B @ A ) @ B )
              | ( subset @ ( sK28_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)],[209]) ).

thf(339,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK29_C @ B @ A )
               != A )
              | ~ ( in @ ( sK29_C @ B @ A ) @ B ) )
            & ( ( ( sK29_C @ B @ A )
                = A )
              | ( in @ ( sK29_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)],[210]) ).

thf(340,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)],[211]) ).

thf(341,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[214]) ).

thf(342,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
           != ( unordered_pair @ B @ C ) )
          | ( B = C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[215]) ).

thf(343,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[217]) ).

thf(344,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( singleton @ A )
             != ( unordered_pair @ B @ C ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[218]) ).

thf(345,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)],[219]) ).

thf(346,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)],[220]) ).

thf(347,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[222]) ).

thf(348,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)],[224]) ).

thf(349,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[225]) ).

thf(350,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[226]) ).

thf(351,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK30_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)],[227]) ).

thf(352,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[229]) ).

thf(353,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[230]) ).

thf(354,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK31_C @ B @ A ) @ A )
            & ( in @ ( sK31_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)],[232]) ).

thf(355,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)],[234]) ).

thf(356,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)],[235]) ).

thf(357,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)],[237]) ).

thf(358,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)],[238]) ).

thf(359,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)],[239]) ).

thf(360,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[240]) ).

thf(361,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)],[241]) ).

thf(362,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[242]) ).

thf(363,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)],[243]) ).

thf(364,plain,
    ( ( ! [A: $i] :
          ( ! [SY318: $i] :
              ( ~ ( subset @ SY318 @ ( sK32_B @ A ) )
              | ( are_equipotent @ SY318 @ ( sK32_B @ A ) )
              | ( in @ SY318 @ ( sK32_B @ A ) ) )
          & ! [SY319: $i] :
              ( ~ ( in @ SY319 @ ( sK32_B @ A ) )
              | ( in @ ( powerset @ SY319 ) @ ( sK32_B @ A ) ) )
          & ! [SY320: $i,SY321: $i] :
              ( ~ ( in @ SY320 @ ( sK32_B @ A ) )
              | ~ ( subset @ SY321 @ SY320 )
              | ( in @ SY321 @ ( sK32_B @ A ) ) )
          & ( in @ A @ ( sK32_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[245]) ).

thf(365,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[246]) ).

thf(366,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ D )
          | ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[247]) ).

thf(367,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)],[248]) ).

thf(368,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)],[249]) ).

thf(369,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK33_C @ B @ A ) @ A )
            & ~ ( in @ ( sK33_C @ B @ A ) @ B ) )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[250]) ).

thf(370,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)],[251]) ).

thf(371,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[252]) ).

thf(372,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)],[253]) ).

thf(373,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ B )
              | ( in @ C @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[254]) ).

thf(374,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)],[255]) ).

thf(375,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
          | ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[256]) ).

thf(376,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ ( singleton @ A ) @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[257]) ).

thf(377,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[258]) ).

thf(378,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[259]) ).

thf(379,plain,
    ( ( ~ ( empty @ sK34_A )
      & ( relation @ sK34_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[264]) ).

thf(380,plain,
    ( ( ( empty @ sK35_A )
      & ( relation @ sK35_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[265]) ).

thf(381,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[266]) ).

thf(382,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_rng @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[267]) ).

thf(383,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[268]) ).

thf(384,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[269]) ).

thf(385,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[270]) ).

thf(386,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[272]) ).

thf(387,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[274]) ).

thf(388,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[275]) ).

thf(389,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)],[276]) ).

thf(390,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[277]) ).

thf(391,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY322: $i] :
                        ~ ( in @ ( ordered_pair @ SY322 @ ( sK37_C @ B @ A ) ) @ A )
                    | ~ ( in @ ( sK37_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK38_SY323 @ B @ A ) @ ( sK37_C @ B @ A ) ) @ A )
                    | ( in @ ( sK37_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 @ ( sK36_D @ C @ B @ A ) @ C ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[278]) ).

thf(392,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY324: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK40_C @ B @ A ) @ SY324 ) @ A )
                    | ~ ( in @ ( sK40_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK40_C @ B @ A ) @ ( sK41_SY325 @ B @ A ) ) @ A )
                    | ( in @ ( sK40_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 @ ( sK39_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[279]) ).

thf(393,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK42_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[280]) ).

thf(394,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( ( ( ( in @ ( sK45_SY326 @ B @ A ) @ A )
                    & ~ ( in @ ( sK44_C @ B @ A ) @ ( sK45_SY326 @ B @ A ) ) )
                  | ~ ( in @ ( sK44_C @ B @ A ) @ B ) )
                & ( ! [SY327: $i] :
                      ( ~ ( in @ SY327 @ A )
                      | ( in @ ( sK44_C @ B @ A ) @ SY327 ) )
                  | ( in @ ( sK44_C @ B @ A ) @ B ) ) )
              | ( B
                = ( set_meet @ A ) ) ) )
      & ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( ! [C: $i] :
                    ( ( ( in @ ( sK43_D @ C @ B @ A ) @ A )
                      & ~ ( in @ C @ ( sK43_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)],[281]) ).

thf(395,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY329: $i,SY330: $i] :
                ( ( sK48_B @ A )
               != ( ordered_pair @ SY329 @ SY330 ) )
            & ( in @ ( sK48_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK46_C @ B @ A ) @ ( sK47_SY328 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[282]) ).

thf(396,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[283]) ).

thf(397,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( in @ ( ordered_pair @ ( sK49_B @ A ) @ ( sK50_SY331 @ A ) ) @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[285]) ).

thf(398,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)],[286]) ).

thf(399,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)],[287]) ).

thf(400,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)],[288]) ).

thf(401,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)],[289]) ).

thf(402,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[290]) ).

thf(403,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)],[291]) ).

thf(404,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)],[292]) ).

thf(405,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)],[293]) ).

thf(406,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)],[295]) ).

thf(407,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[296]) ).

thf(408,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)],[297]) ).

thf(409,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)],[299]) ).

thf(410,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)],[300]) ).

thf(411,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[301]) ).

thf(412,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[411]) ).

thf(413,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)],[410]) ).

thf(414,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)],[409]) ).

thf(415,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[298]) ).

thf(416,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)],[408]) ).

thf(417,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[407]) ).

thf(418,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)],[406]) ).

thf(419,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(copy,[status(thm)],[294]) ).

thf(420,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)],[405]) ).

thf(421,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)],[404]) ).

thf(422,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)],[403]) ).

thf(423,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[402]) ).

thf(424,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[401]) ).

thf(425,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[400]) ).

thf(426,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)],[399]) ).

thf(427,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)],[398]) ).

thf(428,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( in @ ( ordered_pair @ ( sK49_B @ A ) @ ( sK50_SY331 @ A ) ) @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[397]) ).

thf(429,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[284]) ).

thf(430,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[396]) ).

thf(431,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY329: $i,SY330: $i] :
                ( ( sK48_B @ A )
               != ( ordered_pair @ SY329 @ SY330 ) )
            & ( in @ ( sK48_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK46_C @ B @ A ) @ ( sK47_SY328 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[395]) ).

thf(432,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( ( ( ( in @ ( sK45_SY326 @ B @ A ) @ A )
                    & ~ ( in @ ( sK44_C @ B @ A ) @ ( sK45_SY326 @ B @ A ) ) )
                  | ~ ( in @ ( sK44_C @ B @ A ) @ B ) )
                & ( ! [SY327: $i] :
                      ( ~ ( in @ SY327 @ A )
                      | ( in @ ( sK44_C @ B @ A ) @ SY327 ) )
                  | ( in @ ( sK44_C @ B @ A ) @ B ) ) )
              | ( B
                = ( set_meet @ A ) ) ) )
      & ! [A: $i] :
          ( ( A = empty_set )
          | ! [B: $i] :
              ( ( B
               != ( set_meet @ A ) )
              | ( ! [C: $i] :
                    ( ( ( in @ ( sK43_D @ C @ B @ A ) @ A )
                      & ~ ( in @ C @ ( sK43_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)],[394]) ).

thf(433,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK42_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[393]) ).

thf(434,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY324: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK40_C @ B @ A ) @ SY324 ) @ A )
                    | ~ ( in @ ( sK40_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK40_C @ B @ A ) @ ( sK41_SY325 @ B @ A ) ) @ A )
                    | ( in @ ( sK40_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 @ ( sK39_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[392]) ).

thf(435,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY322: $i] :
                        ~ ( in @ ( ordered_pair @ SY322 @ ( sK37_C @ B @ A ) ) @ A )
                    | ~ ( in @ ( sK37_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK38_SY323 @ B @ A ) @ ( sK37_C @ B @ A ) ) @ A )
                    | ( in @ ( sK37_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 @ ( sK36_D @ C @ B @ A ) @ C ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[391]) ).

thf(436,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_field @ A )
            = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[390]) ).

thf(437,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)],[389]) ).

thf(438,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[388]) ).

thf(439,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[387]) ).

thf(440,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[273]) ).

thf(441,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[386]) ).

thf(442,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[271]) ).

thf(443,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[385]) ).

thf(444,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[384]) ).

thf(445,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[383]) ).

thf(446,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_rng @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_rng @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[382]) ).

thf(447,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[381]) ).

thf(448,plain,
    ( ( ( empty @ sK35_A )
      & ( relation @ sK35_A ) )
    = $true ),
    inference(copy,[status(thm)],[380]) ).

thf(449,plain,
    ( ( ~ ( empty @ sK34_A )
      & ( relation @ sK34_A ) )
    = $true ),
    inference(copy,[status(thm)],[379]) ).

thf(450,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[263]) ).

thf(451,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[262]) ).

thf(452,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[261]) ).

thf(453,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[260]) ).

thf(454,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[378]) ).

thf(455,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[377]) ).

thf(456,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ ( singleton @ A ) @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[376]) ).

thf(457,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
          | ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[375]) ).

thf(458,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)],[374]) ).

thf(459,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ! [C: $i] :
              ( ~ ( in @ C @ B )
              | ( in @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[373]) ).

thf(460,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)],[372]) ).

thf(461,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[371]) ).

thf(462,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)],[370]) ).

thf(463,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK33_C @ B @ A ) @ A )
            & ~ ( in @ ( sK33_C @ B @ A ) @ B ) )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[369]) ).

thf(464,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)],[368]) ).

thf(465,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)],[367]) ).

thf(466,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)],[366]) ).

thf(467,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[365]) ).

thf(468,plain,
    ( ( ! [A: $i] :
          ( ! [SY318: $i] :
              ( ~ ( subset @ SY318 @ ( sK32_B @ A ) )
              | ( are_equipotent @ SY318 @ ( sK32_B @ A ) )
              | ( in @ SY318 @ ( sK32_B @ A ) ) )
          & ! [SY319: $i] :
              ( ~ ( in @ SY319 @ ( sK32_B @ A ) )
              | ( in @ ( powerset @ SY319 ) @ ( sK32_B @ A ) ) )
          & ! [SY320: $i,SY321: $i] :
              ( ~ ( in @ SY320 @ ( sK32_B @ A ) )
              | ~ ( subset @ SY321 @ SY320 )
              | ( in @ SY321 @ ( sK32_B @ A ) ) )
          & ( in @ A @ ( sK32_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[364]) ).

thf(469,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[244]) ).

thf(470,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ A @ C )
          | ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[363]) ).

thf(471,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[362]) ).

thf(472,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[361]) ).

thf(473,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[360]) ).

thf(474,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)],[359]) ).

thf(475,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[358]) ).

thf(476,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)],[357]) ).

thf(477,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[236]) ).

thf(478,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)],[356]) ).

thf(479,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)],[355]) ).

thf(480,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
          = ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[233]) ).

thf(481,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK31_C @ B @ A ) @ A )
            & ( in @ ( sK31_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[354]) ).

thf(482,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
          = ( set_difference @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[231]) ).

thf(483,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( B
            = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[353]) ).

thf(484,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[352]) ).

thf(485,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_difference @ A @ ( set_difference @ A @ B ) )
          = ( set_intersection2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[228]) ).

thf(486,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK30_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)],[351]) ).

thf(487,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[350]) ).

thf(488,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[349]) ).

thf(489,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)],[348]) ).

thf(490,plain,
    ( ( ! [A: $i] :
          ( ( unordered_pair @ A @ A )
          = ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[223]) ).

thf(491,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[347]) ).

thf(492,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[221]) ).

thf(493,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
           != A )
          | ( disjoint @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( ( set_difference @ A @ B )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[346]) ).

thf(494,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ B )
          | ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[345]) ).

thf(495,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( singleton @ A )
             != ( unordered_pair @ B @ C ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[344]) ).

thf(496,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[343]) ).

thf(497,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[216]) ).

thf(498,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( singleton @ A )
           != ( unordered_pair @ B @ C ) )
          | ( B = C ) ) )
    = $true ),
    inference(copy,[status(thm)],[342]) ).

thf(499,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[341]) ).

thf(500,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[213]) ).

thf(501,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[212]) ).

thf(502,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)],[340]) ).

thf(503,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK29_C @ B @ A )
               != A )
              | ~ ( in @ ( sK29_C @ B @ A ) @ B ) )
            & ( ( ( sK29_C @ B @ A )
                = A )
              | ( in @ ( sK29_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)],[339]) ).

thf(504,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK28_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK28_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK28_C @ B @ A ) @ B )
              | ( subset @ ( sK28_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)],[338]) ).

thf(505,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)],[337]) ).

thf(506,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK27_D @ C @ B @ A ) @ C )
                  | ( ( sK27_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK27_D @ C @ B @ A ) @ C )
                  | ( ( sK27_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK27_D @ C @ B @ A ) @ C )
                  | ( ( sK27_D @ C @ B @ A )
                    = A )
                  | ( ( sK27_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)],[336]) ).

thf(507,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK26_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK26_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK26_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK26_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK26_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK26_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK26_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)],[335]) ).

thf(508,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ! [SY313: $i,SY314: $i] :
                      ( ~ ( in @ SY313 @ A )
                      | ~ ( in @ SY314 @ B )
                      | ( ( sK23_D @ C @ B @ A )
                       != ( ordered_pair @ SY313 @ SY314 ) ) )
                  | ~ ( in @ ( sK23_D @ C @ B @ A ) @ C ) )
                & ( ( ( in @ ( sK24_SY315 @ C @ B @ A ) @ A )
                    & ( in @ ( sK25_SY317 @ C @ B @ A ) @ B )
                    & ( ( sK23_D @ C @ B @ A )
                      = ( ordered_pair @ ( sK24_SY315 @ C @ B @ A ) @ ( sK25_SY317 @ C @ B @ A ) ) ) )
                  | ( in @ ( sK23_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 @ ( sK21_E @ D @ C @ B @ A ) @ A )
                      & ( in @ ( sK22_SY312 @ D @ C @ B @ A ) @ B )
                      & ( D
                        = ( ordered_pair @ ( sK21_E @ D @ C @ B @ A ) @ ( sK22_SY312 @ D @ C @ B @ A ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[334]) ).

thf(509,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK20_C @ B @ A ) @ A )
            & ~ ( in @ ( sK20_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)],[333]) ).

thf(510,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK19_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK19_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK19_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK19_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK19_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK19_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK19_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)],[332]) ).

thf(511,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY310: $i] :
                  ( ~ ( in @ ( sK17_C @ B @ A ) @ SY310 )
                  | ~ ( in @ SY310 @ A ) )
              | ~ ( in @ ( sK17_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK17_C @ B @ A ) @ ( sK18_SY311 @ B @ A ) )
                & ( in @ ( sK18_SY311 @ 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)],[331]) ).

thf(512,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)],[330]) ).

thf(513,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[200]) ).

thf(514,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY309 @ B @ A ) ) @ B )
                    | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ B @ A ) @ ( sK13_C @ B @ A ) ) @ A ) )
                  & ( ( in @ ( ordered_pair @ ( sK13_C @ B @ A ) @ ( sK14_SY309 @ B @ A ) ) @ B )
                    | ( in @ ( ordered_pair @ ( sK14_SY309 @ 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)],[329]) ).

thf(515,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ~ ( relation @ B )
              | ( ! [C: $i] :
                    ( ~ ( relation @ C )
                    | ( ( ! [SY307: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ SY307 ) @ A )
                            | ~ ( in @ ( ordered_pair @ SY307 @ ( sK11_SY304 @ C @ B @ A ) ) @ B ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY304 @ C @ B @ A ) ) @ C ) )
                      & ( ( ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK12_SY308 @ C @ B @ A ) ) @ A )
                          & ( in @ ( ordered_pair @ ( sK12_SY308 @ C @ B @ A ) @ ( sK11_SY304 @ C @ B @ A ) ) @ B ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ C @ B @ A ) @ ( sK11_SY304 @ 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)],[328]) ).

thf(516,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)],[327]) ).

thf(517,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[196]) ).

thf(518,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[195]) ).

thf(519,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[194]) ).

thf(520,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[326]) ).

thf(521,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[192]) ).

thf(522,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[325]) ).

thf(523,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( empty @ A )
          | ( empty @ B )
          | ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[324]) ).

thf(524,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[323]) ).

thf(525,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[322]) ).

thf(526,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK8_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK8_B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[321]) ).

thf(527,plain,
    ( ( empty @ sK7_A )
    = $true ),
    inference(copy,[status(thm)],[320]) ).

thf(528,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK6_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK6_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[319]) ).

thf(529,plain,
    ( ( ~ ( empty @ sK5_A ) )
    = $true ),
    inference(copy,[status(thm)],[318]) ).

thf(530,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[317]) ).

thf(531,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[316]) ).

thf(532,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[315]) ).

thf(533,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[314]) ).

thf(534,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK4_C @ B @ A ) @ A )
              | ~ ( in @ ( sK4_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK4_C @ B @ A ) @ A )
              | ( in @ ( sK4_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[313]) ).

thf(535,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)],[312]) ).

thf(536,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[311]) ).

thf(537,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[310]) ).

thf(538,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[309]) ).

thf(539,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[308]) ).

thf(540,plain,
    ( ( ! [A: $i] :
          ( ! [SY297: $i] :
              ( ~ ( subset @ SY297 @ ( sK2_B @ A ) )
              | ( are_equipotent @ SY297 @ ( sK2_B @ A ) )
              | ( in @ SY297 @ ( sK2_B @ A ) ) )
          & ! [SY298: $i] :
              ( ( ! [SY303: $i] :
                    ( ~ ( subset @ SY303 @ SY298 )
                    | ( in @ SY303 @ ( sK3_SY299 @ SY298 @ A ) ) )
                & ( in @ ( sK3_SY299 @ SY298 @ A ) @ ( sK2_B @ A ) ) )
              | ~ ( in @ SY298 @ ( sK2_B @ A ) ) )
          & ! [SY301: $i,SY302: $i] :
              ( ~ ( in @ SY301 @ ( sK2_B @ A ) )
              | ~ ( subset @ SY302 @ SY301 )
              | ( in @ SY302 @ ( sK2_B @ A ) ) )
          & ( in @ A @ ( sK2_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[307]) ).

thf(541,plain,
    ( ( ( ( relation_dom @ sK1_A )
        = empty_set )
      | ( ( relation_rng @ sK1_A )
        = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[304]) ).

thf(542,plain,
    ( ( relation @ sK1_A )
    = $true ),
    inference(copy,[status(thm)],[303]) ).

thf(543,plain,
    ( ( ( sK1_A != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[306]) ).

thf(544,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ( in @ ( sK30_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)],[486]) ).

thf(545,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ( in @ ( sK19_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK19_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK19_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK19_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ( in @ ( sK19_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK19_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)],[510]) ).

thf(546,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)],[462]) ).

thf(547,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)],[413]) ).

thf(548,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)],[418]) ).

thf(549,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_SY304 @ SX2 @ SX1 @ SX0 ) ) @ SX1 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK10_D @ SX2 @ SX1 @ SX0 ) @ ( sK11_SY304 @ SX2 @ SX1 @ SX0 ) ) @ SX2 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SX2 @ SX1 @ SX0 ) @ ( sK12_SY308 @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                    | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SX2 @ SX1 @ SX0 ) @ ( sK11_SY304 @ SX2 @ SX1 @ SX0 ) ) @ SX1 ) )
                                | ( in @ ( ordered_pair @ ( sK10_D @ SX2 @ SX1 @ SX0 ) @ ( sK11_SY304 @ 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)],[515]) ).

thf(550,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ SX2 @ ( sK37_C @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( sK37_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SX1 @ SX0 ) @ ( sK37_C @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK37_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 @ ( sK36_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[435]) ).

thf(551,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK27_D @ SX2 @ SX1 @ SX0 )
                                 != SX0 ) )
                            | ~ ( ~ ( in @ ( sK27_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK27_D @ SX2 @ SX1 @ SX0 )
                                 != SX1 ) ) )
                      | ~ ( ( in @ ( sK27_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( ( sK27_D @ SX2 @ SX1 @ SX0 )
                            = SX0 )
                          | ( ( sK27_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)],[506]) ).

thf(552,plain,
    ( ( ~ ( ~ ( empty @ sK35_A )
          | ~ ( relation @ sK35_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[448]) ).

thf(553,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                        | ~ ( subset @ ( sK28_C @ SX1 @ SX0 ) @ SX0 ) )
                    | ~ ( ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                        | ( subset @ ( sK28_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)],[504]) ).

thf(554,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                          ( ( sK48_B @ SX0 )
                         != ( ordered_pair @ SX1 @ SX2 ) )
                    | ~ ( in @ ( sK48_B @ SX0 ) @ SX0 ) )
                | ( relation @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ! [SX1: $i] :
                    ( ( SX1
                      = ( ordered_pair @ ( sK46_C @ SX1 @ SX0 ) @ ( sK47_SY328 @ SX1 @ SX0 ) ) )
                    | ~ ( in @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[431]) ).

thf(555,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)],[489]) ).

thf(556,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)],[414]) ).

thf(557,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( element @ ( sK6_B @ SX0 ) @ ( powerset @ SX0 ) )
            | ~ ( empty @ ( sK6_B @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[528]) ).

thf(558,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)],[478]) ).

thf(559,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ! [SX3: $i,SX4: $i] :
                              ( ~ ( in @ SX3 @ SX0 )
                              | ~ ( in @ SX4 @ SX1 )
                              | ( ( sK23_D @ SX2 @ SX1 @ SX0 )
                               != ( ordered_pair @ SX3 @ SX4 ) ) )
                          | ~ ( in @ ( sK23_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ( in @ ( sK25_SY317 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                              | ( ( sK23_D @ SX2 @ SX1 @ SX0 )
                               != ( ordered_pair @ ( sK24_SY315 @ SX2 @ SX1 @ SX0 ) @ ( sK25_SY317 @ SX2 @ SX1 @ SX0 ) ) ) )
                          | ( in @ ( sK23_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 @ ( sK21_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                      | ~ ( in @ ( sK22_SY312 @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                                | ( SX3
                                 != ( ordered_pair @ ( sK21_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ ( sK22_SY312 @ SX3 @ SX2 @ SX1 @ SX0 ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[508]) ).

thf(560,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)],[464]) ).

thf(561,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)],[505]) ).

thf(562,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)],[420]) ).

thf(563,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK26_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) )
                            | ~ ( ~ ( in @ ( sK26_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK26_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ~ ( ( in @ ( sK26_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( in @ ( sK26_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK26_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)],[507]) ).

thf(564,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( in @ ( sK20_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( in @ ( sK20_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)],[509]) ).

thf(565,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)],[476]) ).

thf(566,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_rng @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_rng @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[446]) ).

thf(567,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX1 @ ( sK2_B @ SX0 ) )
                  | ( are_equipotent @ SX1 @ ( sK2_B @ SX0 ) )
                  | ( in @ SX1 @ ( sK2_B @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ~ ! [SX2: $i] :
                                  ( ~ ( subset @ SX2 @ SX1 )
                                  | ( in @ SX2 @ ( sK3_SY299 @ SX1 @ SX0 ) ) )
                            | ~ ( in @ ( sK3_SY299 @ SX1 @ SX0 ) @ ( sK2_B @ SX0 ) ) )
                        | ~ ( in @ SX1 @ ( sK2_B @ SX0 ) ) )
                  | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                              ( ~ ( in @ SX1 @ ( sK2_B @ SX0 ) )
                              | ~ ( subset @ SX2 @ SX1 )
                              | ( in @ SX2 @ ( sK2_B @ SX0 ) ) )
                        | ~ ( in @ SX0 @ ( sK2_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[540]) ).

thf(568,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)],[458]) ).

thf(569,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_SY311 @ SX1 @ SX0 ) )
                            | ~ ( in @ ( sK18_SY311 @ 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)],[511]) ).

thf(570,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK40_C @ SX1 @ SX0 ) @ SX2 ) @ SX0 )
                            | ~ ( in @ ( sK40_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SX1 @ SX0 ) @ ( sK41_SY325 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK40_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 @ ( sK39_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[434]) ).

thf(571,plain,
    ( ( ~ ( ~ ~ ( empty @ sK34_A )
          | ~ ( relation @ sK34_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[449]) ).

thf(572,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)],[437]) ).

thf(573,plain,
    ( ( ~ ( ( ( relation_dom @ empty_set )
           != empty_set )
          | ( ( relation_rng @ empty_set )
           != empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[429]) ).

thf(574,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)],[516]) ).

thf(575,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[442]) ).

thf(576,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX1 @ ( sK32_B @ SX0 ) )
                  | ( are_equipotent @ SX1 @ ( sK32_B @ SX0 ) )
                  | ( in @ SX1 @ ( sK32_B @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( in @ SX1 @ ( sK32_B @ SX0 ) )
                        | ( in @ ( powerset @ SX1 ) @ ( sK32_B @ SX0 ) ) )
                  | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                              ( ~ ( in @ SX1 @ ( sK32_B @ SX0 ) )
                              | ~ ( subset @ SX2 @ SX1 )
                              | ( in @ SX2 @ ( sK32_B @ SX0 ) ) )
                        | ~ ( in @ SX0 @ ( sK32_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[468]) ).

thf(577,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_dom @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_dom @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[445]) ).

thf(578,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ~ ( ~ ( element @ ( sK8_B @ SX0 ) @ ( powerset @ SX0 ) )
              | ~ ~ ( empty @ ( sK8_B @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[526]) ).

thf(579,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)],[422]) ).

thf(580,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)],[493]) ).

thf(581,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)],[479]) ).

thf(582,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY309 @ SX1 @ SX0 ) ) @ SX1 )
                            | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SX1 @ SX0 ) @ ( sK13_C @ SX1 @ SX0 ) ) @ SX0 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY309 @ SX1 @ SX0 ) ) @ SX1 )
                            | ( in @ ( ordered_pair @ ( sK14_SY309 @ 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)],[514]) ).

thf(583,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ( ( sK29_C @ SX1 @ SX0 )
                         != SX0 )
                        | ~ ( in @ ( sK29_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( ( sK29_C @ SX1 @ SX0 )
                          = SX0 )
                        | ( in @ ( sK29_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)],[503]) ).

thf(584,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK33_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[463]) ).

thf(585,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)],[474]) ).

thf(586,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)],[502]) ).

thf(587,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ~ ( ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( sK31_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)],[481]) ).

thf(588,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)],[512]) ).

thf(589,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)],[535]) ).

thf(590,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)],[421]) ).

thf(591,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK4_C @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( in @ ( sK4_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( in @ ( sK4_C @ SX1 @ SX0 ) @ SX0 )
                  | ( in @ ( sK4_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[534]) ).

thf(592,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 = empty_set )
                      | ! [SX1: $i] :
                          ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SX1 @ SX0 ) @ SX0 )
                                      | ~ ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ ( sK45_SY326 @ SX1 @ SX0 ) ) )
                                  | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
                              | ~ ( ! [SX2: $i] :
                                      ( ~ ( in @ SX2 @ SX0 )
                                      | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX2 ) )
                                  | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
                          | ( SX1
                            = ( set_meet @ SX0 ) ) ) )
                | ~ ! [SX0: $i] :
                      ( ( SX0 = empty_set )
                      | ! [SX1: $i] :
                          ( ( SX1
                           != ( set_meet @ SX0 ) )
                          | ~ ( ~ ! [SX2: $i] :
                                    ( ~ ( ~ ( in @ ( sK43_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                        | ~ ~ ( in @ SX2 @ ( sK43_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)],[432]) ).

thf(593,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)],[416]) ).

thf(594,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( in @ ( sK42_B @ SX0 ) @ SX0 )
                | ( SX0 = empty_set ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[433]) ).

thf(595,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)],[465]) ).

thf(596,plain,
    ! [SV1: $i] :
      ( ( ( ( singleton @ SV1 )
         != empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[412]) ).

thf(597,plain,
    ! [SV2: $i] :
      ( ( ~ ( relation @ SV2 )
        | ( subset @ SV2 @ ( cartesian_product2 @ ( relation_dom @ SV2 ) @ ( relation_rng @ SV2 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[417]) ).

thf(598,plain,
    ! [SV3: $i] :
      ( ( subset @ empty_set @ SV3 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[419]) ).

thf(599,plain,
    ! [SV4: $i] :
      ( ( ~ ( subset @ SV4 @ empty_set )
        | ( SV4 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[423]) ).

thf(600,plain,
    ! [SV5: $i] :
      ( ( ~ ( relation @ SV5 )
        | ! [SY332: $i] :
            ( ~ ( relation @ SY332 )
            | ( subset @ ( relation_dom @ ( relation_composition @ SV5 @ SY332 ) ) @ ( relation_dom @ SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[424]) ).

thf(601,plain,
    ! [SV6: $i] :
      ( ( ~ ( relation @ SV6 )
        | ! [SY333: $i] :
            ( ~ ( relation @ SY333 )
            | ( subset @ ( relation_rng @ ( relation_composition @ SV6 @ SY333 ) ) @ ( relation_rng @ SY333 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[425]) ).

thf(602,plain,
    ! [SV7: $i] :
      ( ( ~ ( relation @ SV7 )
        | ! [SY334: $i] :
            ( ~ ( relation @ SY334 )
            | ~ ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SY334 ) )
            | ( ( relation_dom @ ( relation_composition @ SV7 @ SY334 ) )
              = ( relation_dom @ SV7 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[426]) ).

thf(603,plain,
    ! [SV8: $i] :
      ( ( ~ ( relation @ SV8 )
        | ! [SY335: $i] :
            ( ~ ( relation @ SY335 )
            | ~ ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SY335 ) )
            | ( ( relation_rng @ ( relation_composition @ SY335 @ SV8 ) )
              = ( relation_rng @ SV8 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[427]) ).

thf(604,plain,
    ! [SV9: $i] :
      ( ( ~ ( relation @ SV9 )
        | ( in @ ( ordered_pair @ ( sK49_B @ SV9 ) @ ( sK50_SY331 @ SV9 ) ) @ SV9 )
        | ( SV9 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[428]) ).

thf(605,plain,
    ! [SV10: $i] :
      ( ( ~ ( empty @ SV10 )
        | ( relation @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[430]) ).

thf(606,plain,
    ! [SV11: $i] :
      ( ( ~ ( relation @ SV11 )
        | ( ( relation_field @ SV11 )
          = ( set_union2 @ ( relation_dom @ SV11 ) @ ( relation_rng @ SV11 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[436]) ).

thf(607,plain,
    ! [SV12: $i] :
      ( ( ~ ( relation @ SV12 )
        | ( relation @ ( relation_inverse @ SV12 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[438]) ).

thf(608,plain,
    ! [SV13: $i] :
      ( ( ! [SY336: $i] :
            ( ~ ( relation @ SV13 )
            | ~ ( relation @ SY336 )
            | ( relation @ ( relation_composition @ SV13 @ SY336 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[439]) ).

thf(609,plain,
    ! [SV14: $i] :
      ( ( ! [SY337: $i] :
            ( ~ ( relation @ SV14 )
            | ~ ( relation @ SY337 )
            | ( relation @ ( set_union2 @ SV14 @ SY337 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[441]) ).

thf(610,plain,
    ! [SV15: $i] :
      ( ( ( empty @ SV15 )
        | ~ ( relation @ SV15 )
        | ~ ( empty @ ( relation_dom @ SV15 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[443]) ).

thf(611,plain,
    ! [SV16: $i] :
      ( ( ( empty @ SV16 )
        | ~ ( relation @ SV16 )
        | ~ ( empty @ ( relation_rng @ SV16 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[444]) ).

thf(612,plain,
    ! [SV17: $i] :
      ( ( ~ ( relation @ SV17 )
        | ( ( relation_inverse @ ( relation_inverse @ SV17 ) )
          = SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[447]) ).

thf(613,plain,
    ! [SV18: $i] :
      ( ( ( set_union2 @ SV18 @ empty_set )
        = SV18 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[450]) ).

thf(614,plain,
    ! [SV19: $i] :
      ( ( ( set_intersection2 @ SV19 @ empty_set )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[451]) ).

thf(615,plain,
    ! [SV20: $i] :
      ( ( ( set_difference @ SV20 @ empty_set )
        = SV20 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[452]) ).

thf(616,plain,
    ! [SV21: $i] :
      ( ( ( set_difference @ empty_set @ SV21 )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[453]) ).

thf(617,plain,
    ! [SV22: $i] :
      ( ( ~ ( empty @ SV22 )
        | ( SV22 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[454]) ).

thf(618,plain,
    ! [SV23: $i] :
      ( ( ! [SY338: $i] :
            ( ~ ( in @ SV23 @ SY338 )
            | ( ( set_union2 @ ( singleton @ SV23 ) @ SY338 )
              = SY338 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[455]) ).

thf(619,plain,
    ! [SV24: $i] :
      ( ( ! [SY339: $i] :
            ( ~ ( disjoint @ ( singleton @ SV24 ) @ SY339 )
            | ~ ( in @ SV24 @ SY339 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[456]) ).

thf(620,plain,
    ! [SV25: $i] :
      ( ( ! [SY340: $i] :
            ( ( in @ SV25 @ SY340 )
            | ( disjoint @ ( singleton @ SV25 ) @ SY340 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[457]) ).

thf(621,plain,
    ! [SV26: $i] :
      ( ( ! [SY341: $i] :
            ( ~ ( element @ SY341 @ ( powerset @ SV26 ) )
            | ! [SY342: $i] :
                ( ~ ( in @ SY342 @ SY341 )
                | ( in @ SY342 @ SV26 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[459]) ).

thf(622,plain,
    ! [SV27: $i] :
      ( ( ! [SY343: $i] :
            ( ~ ( subset @ SV27 @ SY343 )
            | ! [SY344: $i] :
                ( ( in @ SY344 @ SV27 )
                | ( subset @ SV27 @ ( set_difference @ SY343 @ ( singleton @ SY344 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[460]) ).

thf(623,plain,
    ! [SV28: $i] :
      ( ( ! [SY345: $i] :
            ( ~ ( in @ SV28 @ SY345 )
            | ( subset @ SV28 @ ( union @ SY345 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[461]) ).

thf(624,plain,
    ! [SV29: $i] :
      ( ( ! [SY346: $i,SY347: $i,SY348: $i] :
            ( ~ ( subset @ SV29 @ SY346 )
            | ~ ( subset @ SY347 @ SY348 )
            | ( subset @ ( cartesian_product2 @ SV29 @ SY347 ) @ ( cartesian_product2 @ SY346 @ SY348 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[466]) ).

thf(625,plain,
    ! [SV30: $i] :
      ( ( ! [SY349: $i] :
            ( ~ ( subset @ SV30 @ SY349 )
            | ( ( set_union2 @ SV30 @ SY349 )
              = SY349 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[467]) ).

thf(626,plain,
    ! [SV31: $i] :
      ( ( ! [SY350: $i] : ( subset @ ( set_intersection2 @ SV31 @ SY350 ) @ SV31 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[469]) ).

thf(627,plain,
    ! [SV32: $i] :
      ( ( ! [SY351: $i,SY352: $i] :
            ( ~ ( subset @ SV32 @ SY351 )
            | ~ ( subset @ SV32 @ SY352 )
            | ( subset @ SV32 @ ( set_intersection2 @ SY351 @ SY352 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[470]) ).

thf(628,plain,
    ! [SV33: $i] :
      ( ( ! [SY353: $i,SY354: $i] :
            ( ~ ( subset @ SV33 @ SY353 )
            | ~ ( subset @ SY353 @ SY354 )
            | ( subset @ SV33 @ SY354 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[471]) ).

thf(629,plain,
    ! [SV34: $i] :
      ( ( ! [SY355: $i] :
            ( ~ ( subset @ SV34 @ SY355 )
            | ! [SY356: $i] : ( subset @ ( set_intersection2 @ SV34 @ SY356 ) @ ( set_intersection2 @ SY355 @ SY356 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[472]) ).

thf(630,plain,
    ! [SV35: $i] :
      ( ( ! [SY357: $i] :
            ( ~ ( subset @ SV35 @ SY357 )
            | ( ( set_intersection2 @ SV35 @ SY357 )
              = SV35 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[473]) ).

thf(631,plain,
    ! [SV36: $i] :
      ( ( ! [SY358: $i] :
            ( ~ ( subset @ SV36 @ SY358 )
            | ! [SY359: $i] : ( subset @ ( set_difference @ SV36 @ SY359 ) @ ( set_difference @ SY358 @ SY359 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[475]) ).

thf(632,plain,
    ! [SV37: $i] :
      ( ( ! [SY360: $i] : ( subset @ ( set_difference @ SV37 @ SY360 ) @ SV37 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[477]) ).

thf(633,plain,
    ! [SV38: $i] :
      ( ( ! [SY361: $i] :
            ( ( set_union2 @ SV38 @ ( set_difference @ SY361 @ SV38 ) )
            = ( set_union2 @ SV38 @ SY361 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[480]) ).

thf(634,plain,
    ! [SV39: $i] :
      ( ( ! [SY362: $i] :
            ( ( set_difference @ ( set_union2 @ SV39 @ SY362 ) @ SY362 )
            = ( set_difference @ SV39 @ SY362 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[482]) ).

thf(635,plain,
    ! [SV40: $i] :
      ( ( ! [SY363: $i] :
            ( ~ ( subset @ SV40 @ SY363 )
            | ( SY363
              = ( set_union2 @ SV40 @ ( set_difference @ SY363 @ SV40 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[483]) ).

thf(636,plain,
    ! [SV41: $i] :
      ( ( ! [SY364: $i] :
            ( ~ ( in @ SV41 @ SY364 )
            | ( ( set_union2 @ ( singleton @ SV41 ) @ SY364 )
              = SY364 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[484]) ).

thf(637,plain,
    ! [SV42: $i] :
      ( ( ! [SY365: $i] :
            ( ( set_difference @ SV42 @ ( set_difference @ SV42 @ SY365 ) )
            = ( set_intersection2 @ SV42 @ SY365 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[485]) ).

thf(638,plain,
    ! [SV43: $i] :
      ( ( ! [SY366: $i] :
            ( ~ ( proper_subset @ SY366 @ SV43 )
            | ~ ( subset @ SV43 @ SY366 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[487]) ).

thf(639,plain,
    ! [SV44: $i] :
      ( ( ! [SY367: $i,SY368: $i] :
            ( ~ ( disjoint @ SY367 @ SY368 )
            | ~ ( subset @ SV44 @ SY367 )
            | ( disjoint @ SV44 @ SY368 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[488]) ).

thf(640,plain,
    ! [SV45: $i] :
      ( ( ( unordered_pair @ SV45 @ SV45 )
        = ( singleton @ SV45 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[490]) ).

thf(641,plain,
    ! [SV46: $i] :
      ( ( ! [SY369: $i] :
            ( ~ ( subset @ ( singleton @ SV46 ) @ ( singleton @ SY369 ) )
            | ( SV46 = SY369 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[491]) ).

thf(642,plain,
    ! [SV47: $i] :
      ( ( ! [SY370: $i] : ( subset @ SV47 @ ( set_union2 @ SV47 @ SY370 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[492]) ).

thf(643,plain,
    ! [SV48: $i] :
      ( ( ! [SY371: $i,SY372: $i] :
            ( ~ ( subset @ SV48 @ SY371 )
            | ~ ( subset @ SY372 @ SY371 )
            | ( subset @ ( set_union2 @ SV48 @ SY372 ) @ SY371 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[494]) ).

thf(644,plain,
    ! [SV49: $i] :
      ( ( ! [SY373: $i] :
            ( ! [SY374: $i] :
                ( ( singleton @ SV49 )
               != ( unordered_pair @ SY373 @ SY374 ) )
            | ( SV49 = SY373 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[495]) ).

thf(645,plain,
    ! [SV50: $i] :
      ( ( ! [SY375: $i] :
            ( ~ ( in @ SV50 @ SY375 )
            | ( subset @ SV50 @ ( union @ SY375 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[496]) ).

thf(646,plain,
    ! [SV51: $i] :
      ( ( ( union @ ( powerset @ SV51 ) )
        = SV51 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[497]) ).

thf(647,plain,
    ! [SV52: $i] :
      ( ( ! [SY376: $i,SY377: $i] :
            ( ( ( singleton @ SV52 )
             != ( unordered_pair @ SY376 @ SY377 ) )
            | ( SY376 = SY377 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[498]) ).

thf(648,plain,
    ! [SV53: $i] :
      ( ( ! [SY378: $i] :
            ( ~ ( in @ SV53 @ SY378 )
            | ~ ( in @ SY378 @ SV53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[499]) ).

thf(649,plain,
    ! [SV54: $i] :
      ( ( ! [SY379: $i] :
            ( ( set_union2 @ SV54 @ SY379 )
            = ( set_union2 @ SY379 @ SV54 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[500]) ).

thf(650,plain,
    ! [SV55: $i] :
      ( ( ! [SY380: $i] :
            ( ( set_intersection2 @ SV55 @ SY380 )
            = ( set_intersection2 @ SY380 @ SV55 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[501]) ).

thf(651,plain,
    ! [SV56: $i] :
      ( ( ! [SY381: $i] :
            ( ( ordered_pair @ SV56 @ SY381 )
            = ( unordered_pair @ ( unordered_pair @ SV56 @ SY381 ) @ ( singleton @ SV56 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[513]) ).

thf(652,plain,
    ! [SV57: $i] :
      ( ( ~ ( empty @ ( powerset @ SV57 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[517]) ).

thf(653,plain,
    ! [SV58: $i] :
      ( ( ! [SY382: $i] :
            ~ ( empty @ ( ordered_pair @ SV58 @ SY382 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[518]) ).

thf(654,plain,
    ! [SV59: $i] :
      ( ( ~ ( empty @ ( singleton @ SV59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[519]) ).

thf(655,plain,
    ! [SV60: $i] :
      ( ( ( empty @ SV60 )
        | ! [SY383: $i] :
            ~ ( empty @ ( set_union2 @ SV60 @ SY383 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[520]) ).

thf(656,plain,
    ! [SV61: $i] :
      ( ( ! [SY384: $i] :
            ~ ( empty @ ( unordered_pair @ SV61 @ SY384 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[521]) ).

thf(657,plain,
    ! [SV62: $i] :
      ( ( ( empty @ SV62 )
        | ! [SY385: $i] :
            ~ ( empty @ ( set_union2 @ SY385 @ SV62 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[522]) ).

thf(658,plain,
    ! [SV63: $i] :
      ( ( ! [SY386: $i] :
            ( ( empty @ SV63 )
            | ( empty @ SY386 )
            | ~ ( empty @ ( cartesian_product2 @ SV63 @ SY386 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[523]) ).

thf(659,plain,
    ! [SV64: $i] :
      ( ( ( set_union2 @ SV64 @ SV64 )
        = SV64 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[524]) ).

thf(660,plain,
    ! [SV65: $i] :
      ( ( ( set_intersection2 @ SV65 @ SV65 )
        = SV65 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[525]) ).

thf(661,plain,
    ( ( empty @ sK5_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[529]) ).

thf(662,plain,
    ! [SV66: $i] :
      ( ( subset @ SV66 @ SV66 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[530]) ).

thf(663,plain,
    ! [SV67: $i] :
      ( ( ! [SY387: $i] :
            ( ~ ( disjoint @ SV67 @ SY387 )
            | ( disjoint @ SY387 @ SV67 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[531]) ).

thf(664,plain,
    ! [SV68: $i] :
      ( ( ! [SY388: $i] :
            ( ~ ( in @ SV68 @ SY388 )
            | ( element @ SV68 @ SY388 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[532]) ).

thf(665,plain,
    ! [SV69: $i] :
      ( ( ! [SY389: $i] :
            ( ~ ( element @ SV69 @ SY389 )
            | ( empty @ SY389 )
            | ( in @ SV69 @ SY389 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[533]) ).

thf(666,plain,
    ! [SV70: $i] :
      ( ( ! [SY390: $i,SY391: $i] :
            ( ~ ( element @ SY390 @ ( powerset @ SY391 ) )
            | ~ ( in @ SV70 @ SY390 )
            | ( element @ SV70 @ SY391 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[536]) ).

thf(667,plain,
    ! [SV71: $i] :
      ( ( ! [SY392: $i,SY393: $i] :
            ( ~ ( element @ SY392 @ ( powerset @ SY393 ) )
            | ~ ( in @ SV71 @ SY392 )
            | ~ ( empty @ SY393 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[537]) ).

thf(668,plain,
    ! [SV72: $i] :
      ( ( ! [SY394: $i] :
            ( ~ ( empty @ SY394 )
            | ~ ( in @ SV72 @ SY394 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[538]) ).

thf(669,plain,
    ! [SV73: $i] :
      ( ( ! [SY395: $i] :
            ( ( SV73 = SY395 )
            | ~ ( empty @ SV73 )
            | ~ ( empty @ SY395 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[539]) ).

thf(670,plain,
    ( ( ( ( relation_dom @ sK1_A )
        = empty_set )
      = $true )
    | ( ( ( relation_rng @ sK1_A )
        = empty_set )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[541]) ).

thf(671,plain,
    ( ( sK1_A = empty_set )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[543]) ).

thf(672,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK30_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)],[544]) ).

thf(673,plain,
    ! [SV74: $i] :
      ( ( ~ ( ~ ! [SY396: $i,SY397: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                          | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                          | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                                | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                            | ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                                | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) ) ) )
                  | ( SY397
                    = ( set_intersection2 @ SV74 @ SY396 ) ) )
            | ~ ! [SY398: $i,SY399: $i] :
                  ( ( SY399
                   != ( set_intersection2 @ SV74 @ SY398 ) )
                  | ~ ( ~ ! [SY400: $i] :
                            ( ~ ( in @ SY400 @ SV74 )
                            | ~ ( in @ SY400 @ SY398 )
                            | ( in @ SY400 @ SY399 ) )
                      | ~ ~ ( ~ ! [SY401: $i] :
                                  ( ~ ( in @ SY401 @ SY399 )
                                  | ( in @ SY401 @ SV74 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY399 )
                                  | ( in @ SX3 @ SY398 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[545]) ).

thf(674,plain,
    ! [SV75: $i] :
      ( ( ! [SY403: $i] :
            ~ ( ~ ! [SY404: $i,SY405: $i] :
                    ( ~ ( in @ SV75 @ SY404 )
                    | ~ ( in @ SY403 @ SY405 )
                    | ( in @ ( ordered_pair @ SV75 @ SY403 ) @ ( cartesian_product2 @ SY404 @ SY405 ) ) )
              | ~ ~ ( ~ ! [SY406: $i] :
                          ( ! [SY407: $i] :
                              ~ ( in @ ( ordered_pair @ SV75 @ SY403 ) @ ( cartesian_product2 @ SY406 @ SY407 ) )
                          | ( in @ SV75 @ SY406 ) )
                    | ~ ! [SY408: $i,SY409: $i] :
                          ( ~ ( in @ ( ordered_pair @ SV75 @ SY403 ) @ ( cartesian_product2 @ SY408 @ SY409 ) )
                          | ( in @ SY403 @ SY409 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[546]) ).

thf(675,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)],[547]) ).

thf(676,plain,
    ! [SV76: $i] :
      ( ( ~ ( relation @ SV76 )
        | ~ ( ~ ! [SY410: $i] :
                  ( ~ ( relation @ SY410 )
                  | ~ ( subset @ SV76 @ SY410 )
                  | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SY410 ) ) )
            | ~ ! [SY411: $i] :
                  ( ~ ( relation @ SY411 )
                  | ~ ( subset @ SV76 @ SY411 )
                  | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SY411 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[548]) ).

thf(677,plain,
    ! [SV77: $i] :
      ( ( ~ ( relation @ SV77 )
        | ! [SY412: $i] :
            ( ~ ( relation @ SY412 )
            | ~ ( ~ ! [SY413: $i] :
                      ( ~ ( relation @ SY413 )
                      | ~ ( ~ ( ! [SY414: $i] :
                                  ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ SY414 ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ SY414 @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY412 ) )
                              | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY413 ) )
                          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK12_SY308 @ SY413 @ SY412 @ SV77 ) ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY412 ) )
                              | ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY413 ) ) )
                      | ( SY413
                        = ( relation_composition @ SV77 @ SY412 ) ) )
                | ~ ! [SY415: $i] :
                      ( ~ ( relation @ SY415 )
                      | ( SY415
                       != ( relation_composition @ SV77 @ SY412 ) )
                      | ~ ( ~ ! [SY416: $i,SY417: $i] :
                                ( ! [SY418: $i] :
                                    ( ~ ( in @ ( ordered_pair @ SY416 @ SY418 ) @ SV77 )
                                    | ~ ( in @ ( ordered_pair @ SY418 @ SY417 ) @ SY412 ) )
                                | ( in @ ( ordered_pair @ SY416 @ SY417 ) @ SY415 ) )
                          | ~ ! [SY419: $i,SY420: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY419 @ SY420 ) @ SY415 )
                                | ~ ( ~ ( in @ ( ordered_pair @ SY419 @ ( sK9_F @ SY420 @ SY419 @ SY415 @ SY412 @ SV77 ) ) @ SV77 )
                                    | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY420 @ SY419 @ SY415 @ SY412 @ SV77 ) @ SY420 ) @ SY412 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[549]) ).

thf(678,plain,
    ! [SV78: $i] :
      ( ( ~ ( relation @ SV78 )
        | ~ ( ~ ! [SY421: $i] :
                  ( ~ ( ~ ( ! [SY422: $i] :
                              ~ ( in @ ( ordered_pair @ SY422 @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                          | ~ ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SY421 @ SV78 ) @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                          | ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) ) )
                  | ( SY421
                    = ( relation_rng @ SV78 ) ) )
            | ~ ! [SY423: $i] :
                  ( ( SY423
                   != ( relation_rng @ SV78 ) )
                  | ~ ( ~ ! [SY424: $i] :
                            ( ! [SY425: $i] :
                                ~ ( in @ ( ordered_pair @ SY425 @ SY424 ) @ SV78 )
                            | ( in @ SY424 @ SY423 ) )
                      | ~ ! [SY426: $i] :
                            ( ~ ( in @ SY426 @ SY423 )
                            | ( in @ ( ordered_pair @ ( sK36_D @ SY426 @ SY423 @ SV78 ) @ SY426 ) @ SV78 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[550]) ).

thf(679,plain,
    ! [SV79: $i] :
      ( ( ~ ( ~ ! [SY427: $i,SY428: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                                | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                                 != SV79 ) )
                            | ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                                | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                                 != SY427 ) ) )
                      | ~ ( ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                          | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                            = SV79 )
                          | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                            = SY427 ) ) )
                  | ( SY428
                    = ( unordered_pair @ SV79 @ SY427 ) ) )
            | ~ ! [SY429: $i,SY430: $i] :
                  ( ( SY430
                   != ( unordered_pair @ SV79 @ SY429 ) )
                  | ~ ( ~ ! [SY431: $i] :
                            ( ~ ( in @ SY431 @ SY430 )
                            | ( SY431 = SV79 )
                            | ( SY431 = SY429 ) )
                      | ~ ~ ( ~ ! [SY432: $i] :
                                  ( ( SY432 != SV79 )
                                  | ( in @ SY432 @ SY430 ) )
                            | ~ ! [SX3: $i] :
                                  ( ( SX3 != SY429 )
                                  | ( in @ SX3 @ SY430 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[551]) ).

thf(680,plain,
    ( ( ~ ( empty @ sK35_A )
      | ~ ( relation @ sK35_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[552]) ).

thf(681,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK28_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK28_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)],[553]) ).

thf(682,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK48_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK48_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK46_C @ SX1 @ SX0 ) @ ( sK47_SY328 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[554]) ).

thf(683,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)],[555]) ).

thf(684,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)],[556]) ).

thf(685,plain,
    ! [SV80: $i] :
      ( ( ~ ( ~ ( element @ ( sK6_B @ SV80 ) @ ( powerset @ SV80 ) )
            | ~ ( empty @ ( sK6_B @ SV80 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[557]) ).

thf(686,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)],[558]) ).

thf(687,plain,
    ! [SV81: $i] :
      ( ( ~ ( ~ ! [SY434: $i,SY435: $i] :
                  ( ~ ( ~ ( ! [SY436: $i,SY437: $i] :
                              ( ~ ( in @ SY436 @ SV81 )
                              | ~ ( in @ SY437 @ SY434 )
                              | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                               != ( ordered_pair @ SY436 @ SY437 ) ) )
                          | ~ ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) )
                      | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ SV81 )
                                    | ~ ( in @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) @ SY434 ) )
                              | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                               != ( ordered_pair @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) ) ) )
                          | ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) ) )
                  | ( SY435
                    = ( cartesian_product2 @ SV81 @ SY434 ) ) )
            | ~ ! [SY438: $i,SY439: $i] :
                  ( ( SY439
                   != ( cartesian_product2 @ SV81 @ SY438 ) )
                  | ~ ( ~ ! [SY440: $i] :
                            ( ! [SY441: $i,SY442: $i] :
                                ( ~ ( in @ SY441 @ SV81 )
                                | ~ ( in @ SY442 @ SY438 )
                                | ( SY440
                                 != ( ordered_pair @ SY441 @ SY442 ) ) )
                            | ( in @ SY440 @ SY439 ) )
                      | ~ ! [SY443: $i] :
                            ( ~ ( in @ SY443 @ SY439 )
                            | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ SV81 )
                                      | ~ ( in @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) @ SY438 ) )
                                | ( SY443
                                 != ( ordered_pair @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[559]) ).

thf(688,plain,
    ! [SV82: $i] :
      ( ( ! [SY444: $i] :
            ~ ( ~ ! [SY445: $i,SY446: $i] :
                    ( ~ ( in @ SV82 @ SY445 )
                    | ~ ( in @ SY444 @ SY446 )
                    | ( in @ ( ordered_pair @ SV82 @ SY444 ) @ ( cartesian_product2 @ SY445 @ SY446 ) ) )
              | ~ ~ ( ~ ! [SY447: $i] :
                          ( ! [SY448: $i] :
                              ~ ( in @ ( ordered_pair @ SV82 @ SY444 ) @ ( cartesian_product2 @ SY447 @ SY448 ) )
                          | ( in @ SV82 @ SY447 ) )
                    | ~ ! [SY449: $i,SY450: $i] :
                          ( ~ ( in @ ( ordered_pair @ SV82 @ SY444 ) @ ( cartesian_product2 @ SY449 @ SY450 ) )
                          | ( in @ SY444 @ SY450 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[560]) ).

thf(689,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)],[561]) ).

thf(690,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)],[562]) ).

thf(691,plain,
    ! [SV83: $i] :
      ( ( ~ ( ~ ! [SY451: $i,SY452: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                                | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 ) )
                            | ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                                | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
                      | ~ ( ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                          | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 )
                          | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
                  | ( SY452
                    = ( set_union2 @ SV83 @ SY451 ) ) )
            | ~ ! [SY453: $i,SY454: $i] :
                  ( ( SY454
                   != ( set_union2 @ SV83 @ SY453 ) )
                  | ~ ( ~ ! [SY455: $i] :
                            ( ~ ( in @ SY455 @ SY454 )
                            | ( in @ SY455 @ SV83 )
                            | ( in @ SY455 @ SY453 ) )
                      | ~ ~ ( ~ ! [SY456: $i] :
                                  ( ~ ( in @ SY456 @ SV83 )
                                  | ( in @ SY456 @ SY454 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY453 )
                                  | ( in @ SX3 @ SY454 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[563]) ).

thf(692,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK20_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK20_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)],[564]) ).

thf(693,plain,
    ! [SV84: $i] :
      ( ( ! [SY458: $i] :
            ~ ( ~ ! [SY459: $i] :
                    ( ! [SY460: $i] :
                        ( ( ordered_pair @ SV84 @ SY458 )
                       != ( ordered_pair @ SY459 @ SY460 ) )
                    | ( SV84 = SY459 ) )
              | ~ ! [SY461: $i,SY462: $i] :
                    ( ( ( ordered_pair @ SV84 @ SY458 )
                     != ( ordered_pair @ SY461 @ SY462 ) )
                    | ( SY458 = SY462 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[565]) ).

thf(694,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_rng @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[566]) ).

thf(695,plain,
    ! [SV85: $i] :
      ( ( ~ ( ~ ! [SY463: $i] :
                  ( ~ ( subset @ SY463 @ ( sK2_B @ SV85 ) )
                  | ( are_equipotent @ SY463 @ ( sK2_B @ SV85 ) )
                  | ( in @ SY463 @ ( sK2_B @ SV85 ) ) )
            | ~ ~ ( ~ ! [SY464: $i] :
                        ( ~ ( ~ ! [SY465: $i] :
                                  ( ~ ( subset @ SY465 @ SY464 )
                                  | ( in @ SY465 @ ( sK3_SY299 @ SY464 @ SV85 ) ) )
                            | ~ ( in @ ( sK3_SY299 @ SY464 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
                        | ~ ( in @ SY464 @ ( sK2_B @ SV85 ) ) )
                  | ~ ~ ( ~ ! [SY466: $i,SY467: $i] :
                              ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
                              | ~ ( subset @ SY467 @ SY466 )
                              | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
                        | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[567]) ).

thf(696,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)],[568]) ).

thf(697,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_SY311 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK18_SY311 @ 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)],[569]) ).

thf(698,plain,
    ! [SV86: $i] :
      ( ( ~ ( relation @ SV86 )
        | ~ ( ~ ! [SY468: $i] :
                  ( ~ ( ~ ( ! [SY469: $i] :
                              ~ ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ SY469 ) @ SV86 )
                          | ~ ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ ( sK41_SY325 @ SY468 @ SV86 ) ) @ SV86 )
                          | ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) ) )
                  | ( SY468
                    = ( relation_dom @ SV86 ) ) )
            | ~ ! [SY470: $i] :
                  ( ( SY470
                   != ( relation_dom @ SV86 ) )
                  | ~ ( ~ ! [SY471: $i] :
                            ( ! [SY472: $i] :
                                ~ ( in @ ( ordered_pair @ SY471 @ SY472 ) @ SV86 )
                            | ( in @ SY471 @ SY470 ) )
                      | ~ ! [SY473: $i] :
                            ( ~ ( in @ SY473 @ SY470 )
                            | ( in @ ( ordered_pair @ SY473 @ ( sK39_D @ SY473 @ SY470 @ SV86 ) ) @ SV86 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[570]) ).

thf(699,plain,
    ( ( ~ ~ ( empty @ sK34_A )
      | ~ ( relation @ sK34_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[571]) ).

thf(700,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)],[572]) ).

thf(701,plain,
    ( ( ( ( relation_dom @ empty_set )
       != empty_set )
      | ( ( relation_rng @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[573]) ).

thf(702,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)],[574]) ).

thf(703,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[575]) ).

thf(704,plain,
    ! [SV87: $i] :
      ( ( ~ ( ~ ! [SY474: $i] :
                  ( ~ ( subset @ SY474 @ ( sK32_B @ SV87 ) )
                  | ( are_equipotent @ SY474 @ ( sK32_B @ SV87 ) )
                  | ( in @ SY474 @ ( sK32_B @ SV87 ) ) )
            | ~ ~ ( ~ ! [SY475: $i] :
                        ( ~ ( in @ SY475 @ ( sK32_B @ SV87 ) )
                        | ( in @ ( powerset @ SY475 ) @ ( sK32_B @ SV87 ) ) )
                  | ~ ~ ( ~ ! [SY476: $i,SY477: $i] :
                              ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
                              | ~ ( subset @ SY477 @ SY476 )
                              | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
                        | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[576]) ).

thf(705,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[577]) ).

thf(706,plain,
    ! [SV88: $i] :
      ( ( ( empty @ SV88 )
        | ~ ( ~ ( element @ ( sK8_B @ SV88 ) @ ( powerset @ SV88 ) )
            | ~ ~ ( empty @ ( sK8_B @ SV88 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[578]) ).

thf(707,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)],[579]) ).

thf(708,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)],[580]) ).

thf(709,plain,
    ! [SV89: $i] :
      ( ( ~ ( ~ ! [SY478: $i,SY479: $i] :
                  ( ~ ( in @ SV89 @ SY479 )
                  | ~ ( in @ SY478 @ SY479 )
                  | ( subset @ ( unordered_pair @ SV89 @ SY478 ) @ SY479 ) )
            | ~ ~ ( ~ ! [SY480: $i,SY481: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV89 @ SY480 ) @ SY481 )
                        | ( in @ SV89 @ SY481 ) )
                  | ~ ! [SY482: $i,SY483: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV89 @ SY482 ) @ SY483 )
                        | ( in @ SY482 @ SY483 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[581]) ).

thf(710,plain,
    ! [SV90: $i] :
      ( ( ~ ( relation @ SV90 )
        | ~ ( ~ ! [SY484: $i] :
                  ( ~ ( relation @ SY484 )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                          | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                          | ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) ) )
                  | ( SY484
                    = ( relation_inverse @ SV90 ) ) )
            | ~ ! [SY485: $i] :
                  ( ~ ( relation @ SY485 )
                  | ( SY485
                   != ( relation_inverse @ SV90 ) )
                  | ~ ( ~ ! [SY486: $i,SY487: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY486 @ SY487 ) @ SY485 )
                            | ( in @ ( ordered_pair @ SY487 @ SY486 ) @ SV90 ) )
                      | ~ ! [SY488: $i,SY489: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY489 @ SY488 ) @ SV90 )
                            | ( in @ ( ordered_pair @ SY488 @ SY489 ) @ SY485 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[582]) ).

thf(711,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK29_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK29_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK29_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK29_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)],[583]) ).

thf(712,plain,
    ! [SV91: $i] :
      ( ( ! [SY490: $i] :
            ( ~ ( ~ ( in @ ( sK33_C @ SY490 @ SV91 ) @ SV91 )
                | ~ ~ ( in @ ( sK33_C @ SY490 @ SV91 ) @ SY490 ) )
            | ( element @ SV91 @ ( powerset @ SY490 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[584]) ).

thf(713,plain,
    ! [SV92: $i] :
      ( ( ~ ( ~ ! [SY491: $i,SY492: $i] :
                  ( ~ ( relation @ SY492 )
                  | ~ ( in @ ( ordered_pair @ SV92 @ SY491 ) @ SY492 )
                  | ( in @ SV92 @ ( relation_field @ SY492 ) ) )
            | ~ ! [SY493: $i,SY494: $i] :
                  ( ~ ( relation @ SY494 )
                  | ~ ( in @ ( ordered_pair @ SV92 @ SY493 ) @ SY494 )
                  | ( in @ SY493 @ ( relation_field @ SY494 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[585]) ).

thf(714,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)],[586]) ).

thf(715,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK31_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)],[587]) ).

thf(716,plain,
    ! [SV93: $i] :
      ( ( ~ ( ~ ! [SY495: $i,SY496: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                          | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                          | ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                                | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                            | ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                                | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) ) ) )
                  | ( SY496
                    = ( set_difference @ SV93 @ SY495 ) ) )
            | ~ ! [SY497: $i,SY498: $i] :
                  ( ( SY498
                   != ( set_difference @ SV93 @ SY497 ) )
                  | ~ ( ~ ! [SY499: $i] :
                            ( ~ ( in @ SY499 @ SV93 )
                            | ( in @ SY499 @ SY497 )
                            | ( in @ SY499 @ SY498 ) )
                      | ~ ~ ( ~ ! [SY500: $i] :
                                  ( ~ ( in @ SY500 @ SY498 )
                                  | ( in @ SY500 @ SV93 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY498 )
                                  | ~ ( in @ SX3 @ SY497 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[588]) ).

thf(717,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)],[589]) ).

thf(718,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)],[590]) ).

thf(719,plain,
    ! [SV94: $i] :
      ( ( ! [SY502: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK4_C @ SY502 @ SV94 ) @ SV94 )
                    | ~ ( in @ ( sK4_C @ SY502 @ SV94 ) @ SY502 ) )
                | ~ ( ( in @ ( sK4_C @ SY502 @ SV94 ) @ SV94 )
                    | ( in @ ( sK4_C @ SY502 @ SV94 ) @ SY502 ) ) )
            | ( SV94 = SY502 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[591]) ).

thf(720,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ ( sK45_SY326 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
                          | ~ ( ! [SX2: $i] :
                                  ( ~ ( in @ SX2 @ SX0 )
                                  | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX2 ) )
                              | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ~ ( ~ ! [SX2: $i] :
                                ( ~ ( ~ ( in @ ( sK43_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ~ ( in @ SX2 @ ( sK43_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)],[592]) ).

thf(721,plain,
    ! [SV95: $i] :
      ( ( ~ ( ~ ! [SY503: $i,SY504: $i] :
                  ( ~ ( relation @ SY504 )
                  | ~ ( in @ ( ordered_pair @ SV95 @ SY503 ) @ SY504 )
                  | ( in @ SV95 @ ( relation_dom @ SY504 ) ) )
            | ~ ! [SY505: $i,SY506: $i] :
                  ( ~ ( relation @ SY506 )
                  | ~ ( in @ ( ordered_pair @ SV95 @ SY505 ) @ SY506 )
                  | ( in @ SY505 @ ( relation_rng @ SY506 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[593]) ).

thf(722,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK42_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[594]) ).

thf(723,plain,
    ! [SV96: $i] :
      ( ( ~ ( ~ ! [SY507: $i] :
                  ( ~ ( subset @ SV96 @ SY507 )
                  | ! [SY508: $i] : ( subset @ ( cartesian_product2 @ SV96 @ SY508 ) @ ( cartesian_product2 @ SY507 @ SY508 ) ) )
            | ~ ! [SY509: $i] :
                  ( ~ ( subset @ SV96 @ SY509 )
                  | ! [SY510: $i] : ( subset @ ( cartesian_product2 @ SY510 @ SV96 ) @ ( cartesian_product2 @ SY510 @ SY509 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[595]) ).

thf(724,plain,
    ! [SV1: $i] :
      ( ( ( singleton @ SV1 )
        = empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[596]) ).

thf(725,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( relation @ SV2 ) )
        = $true )
      | ( ( subset @ SV2 @ ( cartesian_product2 @ ( relation_dom @ SV2 ) @ ( relation_rng @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[597]) ).

thf(726,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( subset @ SV4 @ empty_set ) )
        = $true )
      | ( ( SV4 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[599]) ).

thf(727,plain,
    ! [SV5: $i] :
      ( ( ( ~ ( relation @ SV5 ) )
        = $true )
      | ( ( ! [SY332: $i] :
              ( ~ ( relation @ SY332 )
              | ( subset @ ( relation_dom @ ( relation_composition @ SV5 @ SY332 ) ) @ ( relation_dom @ SV5 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[600]) ).

thf(728,plain,
    ! [SV6: $i] :
      ( ( ( ~ ( relation @ SV6 ) )
        = $true )
      | ( ( ! [SY333: $i] :
              ( ~ ( relation @ SY333 )
              | ( subset @ ( relation_rng @ ( relation_composition @ SV6 @ SY333 ) ) @ ( relation_rng @ SY333 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[601]) ).

thf(729,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( relation @ SV7 ) )
        = $true )
      | ( ( ! [SY334: $i] :
              ( ~ ( relation @ SY334 )
              | ~ ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SY334 ) )
              | ( ( relation_dom @ ( relation_composition @ SV7 @ SY334 ) )
                = ( relation_dom @ SV7 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[602]) ).

thf(730,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( relation @ SV8 ) )
        = $true )
      | ( ( ! [SY335: $i] :
              ( ~ ( relation @ SY335 )
              | ~ ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SY335 ) )
              | ( ( relation_rng @ ( relation_composition @ SY335 @ SV8 ) )
                = ( relation_rng @ SV8 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[603]) ).

thf(731,plain,
    ! [SV9: $i] :
      ( ( ( ~ ( relation @ SV9 ) )
        = $true )
      | ( ( ( in @ ( ordered_pair @ ( sK49_B @ SV9 ) @ ( sK50_SY331 @ SV9 ) ) @ SV9 )
          | ( SV9 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[604]) ).

thf(732,plain,
    ! [SV10: $i] :
      ( ( ( ~ ( empty @ SV10 ) )
        = $true )
      | ( ( relation @ SV10 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[605]) ).

thf(733,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( relation @ SV11 ) )
        = $true )
      | ( ( ( relation_field @ SV11 )
          = ( set_union2 @ ( relation_dom @ SV11 ) @ ( relation_rng @ SV11 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[606]) ).

thf(734,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( relation @ SV12 ) )
        = $true )
      | ( ( relation @ ( relation_inverse @ SV12 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[607]) ).

thf(735,plain,
    ! [SV97: $i,SV13: $i] :
      ( ( ~ ( relation @ SV13 )
        | ~ ( relation @ SV97 )
        | ( relation @ ( relation_composition @ SV13 @ SV97 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[608]) ).

thf(736,plain,
    ! [SV98: $i,SV14: $i] :
      ( ( ~ ( relation @ SV14 )
        | ~ ( relation @ SV98 )
        | ( relation @ ( set_union2 @ SV14 @ SV98 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[609]) ).

thf(737,plain,
    ! [SV15: $i] :
      ( ( ( ( empty @ SV15 )
          | ~ ( relation @ SV15 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV15 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[610]) ).

thf(738,plain,
    ! [SV16: $i] :
      ( ( ( ( empty @ SV16 )
          | ~ ( relation @ SV16 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[611]) ).

thf(739,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( relation @ SV17 ) )
        = $true )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV17 ) )
          = SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[612]) ).

thf(740,plain,
    ! [SV22: $i] :
      ( ( ( ~ ( empty @ SV22 ) )
        = $true )
      | ( ( SV22 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[617]) ).

thf(741,plain,
    ! [SV99: $i,SV23: $i] :
      ( ( ~ ( in @ SV23 @ SV99 )
        | ( ( set_union2 @ ( singleton @ SV23 ) @ SV99 )
          = SV99 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[618]) ).

thf(742,plain,
    ! [SV100: $i,SV24: $i] :
      ( ( ~ ( disjoint @ ( singleton @ SV24 ) @ SV100 )
        | ~ ( in @ SV24 @ SV100 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[619]) ).

thf(743,plain,
    ! [SV101: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV101 )
        | ( disjoint @ ( singleton @ SV25 ) @ SV101 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[620]) ).

thf(744,plain,
    ! [SV26: $i,SV102: $i] :
      ( ( ~ ( element @ SV102 @ ( powerset @ SV26 ) )
        | ! [SY511: $i] :
            ( ~ ( in @ SY511 @ SV102 )
            | ( in @ SY511 @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[621]) ).

thf(745,plain,
    ! [SV103: $i,SV27: $i] :
      ( ( ~ ( subset @ SV27 @ SV103 )
        | ! [SY512: $i] :
            ( ( in @ SY512 @ SV27 )
            | ( subset @ SV27 @ ( set_difference @ SV103 @ ( singleton @ SY512 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[622]) ).

thf(746,plain,
    ! [SV104: $i,SV28: $i] :
      ( ( ~ ( in @ SV28 @ SV104 )
        | ( subset @ SV28 @ ( union @ SV104 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[623]) ).

thf(747,plain,
    ! [SV105: $i,SV29: $i] :
      ( ( ! [SY513: $i,SY514: $i] :
            ( ~ ( subset @ SV29 @ SV105 )
            | ~ ( subset @ SY513 @ SY514 )
            | ( subset @ ( cartesian_product2 @ SV29 @ SY513 ) @ ( cartesian_product2 @ SV105 @ SY514 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[624]) ).

thf(748,plain,
    ! [SV106: $i,SV30: $i] :
      ( ( ~ ( subset @ SV30 @ SV106 )
        | ( ( set_union2 @ SV30 @ SV106 )
          = SV106 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[625]) ).

thf(749,plain,
    ! [SV107: $i,SV31: $i] :
      ( ( subset @ ( set_intersection2 @ SV31 @ SV107 ) @ SV31 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[626]) ).

thf(750,plain,
    ! [SV108: $i,SV32: $i] :
      ( ( ! [SY515: $i] :
            ( ~ ( subset @ SV32 @ SV108 )
            | ~ ( subset @ SV32 @ SY515 )
            | ( subset @ SV32 @ ( set_intersection2 @ SV108 @ SY515 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[627]) ).

thf(751,plain,
    ! [SV109: $i,SV33: $i] :
      ( ( ! [SY516: $i] :
            ( ~ ( subset @ SV33 @ SV109 )
            | ~ ( subset @ SV109 @ SY516 )
            | ( subset @ SV33 @ SY516 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[628]) ).

thf(752,plain,
    ! [SV110: $i,SV34: $i] :
      ( ( ~ ( subset @ SV34 @ SV110 )
        | ! [SY517: $i] : ( subset @ ( set_intersection2 @ SV34 @ SY517 ) @ ( set_intersection2 @ SV110 @ SY517 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[629]) ).

thf(753,plain,
    ! [SV111: $i,SV35: $i] :
      ( ( ~ ( subset @ SV35 @ SV111 )
        | ( ( set_intersection2 @ SV35 @ SV111 )
          = SV35 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[630]) ).

thf(754,plain,
    ! [SV112: $i,SV36: $i] :
      ( ( ~ ( subset @ SV36 @ SV112 )
        | ! [SY518: $i] : ( subset @ ( set_difference @ SV36 @ SY518 ) @ ( set_difference @ SV112 @ SY518 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[631]) ).

thf(755,plain,
    ! [SV113: $i,SV37: $i] :
      ( ( subset @ ( set_difference @ SV37 @ SV113 ) @ SV37 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[632]) ).

thf(756,plain,
    ! [SV114: $i,SV38: $i] :
      ( ( ( set_union2 @ SV38 @ ( set_difference @ SV114 @ SV38 ) )
        = ( set_union2 @ SV38 @ SV114 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[633]) ).

thf(757,plain,
    ! [SV115: $i,SV39: $i] :
      ( ( ( set_difference @ ( set_union2 @ SV39 @ SV115 ) @ SV115 )
        = ( set_difference @ SV39 @ SV115 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[634]) ).

thf(758,plain,
    ! [SV116: $i,SV40: $i] :
      ( ( ~ ( subset @ SV40 @ SV116 )
        | ( SV116
          = ( set_union2 @ SV40 @ ( set_difference @ SV116 @ SV40 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[635]) ).

thf(759,plain,
    ! [SV117: $i,SV41: $i] :
      ( ( ~ ( in @ SV41 @ SV117 )
        | ( ( set_union2 @ ( singleton @ SV41 ) @ SV117 )
          = SV117 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[636]) ).

thf(760,plain,
    ! [SV118: $i,SV42: $i] :
      ( ( ( set_difference @ SV42 @ ( set_difference @ SV42 @ SV118 ) )
        = ( set_intersection2 @ SV42 @ SV118 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[637]) ).

thf(761,plain,
    ! [SV43: $i,SV119: $i] :
      ( ( ~ ( proper_subset @ SV119 @ SV43 )
        | ~ ( subset @ SV43 @ SV119 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[638]) ).

thf(762,plain,
    ! [SV44: $i,SV120: $i] :
      ( ( ! [SY519: $i] :
            ( ~ ( disjoint @ SV120 @ SY519 )
            | ~ ( subset @ SV44 @ SV120 )
            | ( disjoint @ SV44 @ SY519 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[639]) ).

thf(763,plain,
    ! [SV121: $i,SV46: $i] :
      ( ( ~ ( subset @ ( singleton @ SV46 ) @ ( singleton @ SV121 ) )
        | ( SV46 = SV121 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[641]) ).

thf(764,plain,
    ! [SV122: $i,SV47: $i] :
      ( ( subset @ SV47 @ ( set_union2 @ SV47 @ SV122 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[642]) ).

thf(765,plain,
    ! [SV123: $i,SV48: $i] :
      ( ( ! [SY520: $i] :
            ( ~ ( subset @ SV48 @ SV123 )
            | ~ ( subset @ SY520 @ SV123 )
            | ( subset @ ( set_union2 @ SV48 @ SY520 ) @ SV123 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[643]) ).

thf(766,plain,
    ! [SV124: $i,SV49: $i] :
      ( ( ! [SY521: $i] :
            ( ( singleton @ SV49 )
           != ( unordered_pair @ SV124 @ SY521 ) )
        | ( SV49 = SV124 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[644]) ).

thf(767,plain,
    ! [SV125: $i,SV50: $i] :
      ( ( ~ ( in @ SV50 @ SV125 )
        | ( subset @ SV50 @ ( union @ SV125 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[645]) ).

thf(768,plain,
    ! [SV126: $i,SV52: $i] :
      ( ( ! [SY522: $i] :
            ( ( ( singleton @ SV52 )
             != ( unordered_pair @ SV126 @ SY522 ) )
            | ( SV126 = SY522 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[647]) ).

thf(769,plain,
    ! [SV127: $i,SV53: $i] :
      ( ( ~ ( in @ SV53 @ SV127 )
        | ~ ( in @ SV127 @ SV53 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[648]) ).

thf(770,plain,
    ! [SV128: $i,SV54: $i] :
      ( ( ( set_union2 @ SV54 @ SV128 )
        = ( set_union2 @ SV128 @ SV54 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[649]) ).

thf(771,plain,
    ! [SV129: $i,SV55: $i] :
      ( ( ( set_intersection2 @ SV55 @ SV129 )
        = ( set_intersection2 @ SV129 @ SV55 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[650]) ).

thf(772,plain,
    ! [SV130: $i,SV56: $i] :
      ( ( ( ordered_pair @ SV56 @ SV130 )
        = ( unordered_pair @ ( unordered_pair @ SV56 @ SV130 ) @ ( singleton @ SV56 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[651]) ).

thf(773,plain,
    ! [SV57: $i] :
      ( ( empty @ ( powerset @ SV57 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[652]) ).

thf(774,plain,
    ! [SV131: $i,SV58: $i] :
      ( ( ~ ( empty @ ( ordered_pair @ SV58 @ SV131 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[653]) ).

thf(775,plain,
    ! [SV59: $i] :
      ( ( empty @ ( singleton @ SV59 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[654]) ).

thf(776,plain,
    ! [SV60: $i] :
      ( ( ( empty @ SV60 )
        = $true )
      | ( ( ! [SY383: $i] :
              ~ ( empty @ ( set_union2 @ SV60 @ SY383 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[655]) ).

thf(777,plain,
    ! [SV132: $i,SV61: $i] :
      ( ( ~ ( empty @ ( unordered_pair @ SV61 @ SV132 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[656]) ).

thf(778,plain,
    ! [SV62: $i] :
      ( ( ( empty @ SV62 )
        = $true )
      | ( ( ! [SY385: $i] :
              ~ ( empty @ ( set_union2 @ SY385 @ SV62 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[657]) ).

thf(779,plain,
    ! [SV133: $i,SV63: $i] :
      ( ( ( empty @ SV63 )
        | ( empty @ SV133 )
        | ~ ( empty @ ( cartesian_product2 @ SV63 @ SV133 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[658]) ).

thf(780,plain,
    ! [SV134: $i,SV67: $i] :
      ( ( ~ ( disjoint @ SV67 @ SV134 )
        | ( disjoint @ SV134 @ SV67 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[663]) ).

thf(781,plain,
    ! [SV135: $i,SV68: $i] :
      ( ( ~ ( in @ SV68 @ SV135 )
        | ( element @ SV68 @ SV135 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[664]) ).

thf(782,plain,
    ! [SV136: $i,SV69: $i] :
      ( ( ~ ( element @ SV69 @ SV136 )
        | ( empty @ SV136 )
        | ( in @ SV69 @ SV136 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[665]) ).

thf(783,plain,
    ! [SV70: $i,SV137: $i] :
      ( ( ! [SY523: $i] :
            ( ~ ( element @ SV137 @ ( powerset @ SY523 ) )
            | ~ ( in @ SV70 @ SV137 )
            | ( element @ SV70 @ SY523 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[666]) ).

thf(784,plain,
    ! [SV71: $i,SV138: $i] :
      ( ( ! [SY524: $i] :
            ( ~ ( element @ SV138 @ ( powerset @ SY524 ) )
            | ~ ( in @ SV71 @ SV138 )
            | ~ ( empty @ SY524 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[667]) ).

thf(785,plain,
    ! [SV72: $i,SV139: $i] :
      ( ( ~ ( empty @ SV139 )
        | ~ ( in @ SV72 @ SV139 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[668]) ).

thf(786,plain,
    ! [SV140: $i,SV73: $i] :
      ( ( ( SV73 = SV140 )
        | ~ ( empty @ SV73 )
        | ~ ( empty @ SV140 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[669]) ).

thf(787,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK30_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[672]) ).

thf(788,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[672]) ).

thf(789,plain,
    ! [SV74: $i] :
      ( ( ~ ! [SY396: $i,SY397: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                      | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                      | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                            | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                        | ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                            | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) ) ) )
              | ( SY397
                = ( set_intersection2 @ SV74 @ SY396 ) ) )
        | ~ ! [SY398: $i,SY399: $i] :
              ( ( SY399
               != ( set_intersection2 @ SV74 @ SY398 ) )
              | ~ ( ~ ! [SY400: $i] :
                        ( ~ ( in @ SY400 @ SV74 )
                        | ~ ( in @ SY400 @ SY398 )
                        | ( in @ SY400 @ SY399 ) )
                  | ~ ~ ( ~ ! [SY401: $i] :
                              ( ~ ( in @ SY401 @ SY399 )
                              | ( in @ SY401 @ SV74 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY399 )
                              | ( in @ SX3 @ SY398 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[673]) ).

thf(790,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ( ~ ! [SY525: $i,SY526: $i] :
                  ( ~ ( in @ SV75 @ SY525 )
                  | ~ ( in @ SV141 @ SY526 )
                  | ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY525 @ SY526 ) ) )
            | ~ ~ ( ~ ! [SY527: $i] :
                        ( ! [SY528: $i] :
                            ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY527 @ SY528 ) )
                        | ( in @ SV75 @ SY527 ) )
                  | ~ ! [SY529: $i,SY530: $i] :
                        ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY529 @ SY530 ) )
                        | ( in @ SV141 @ SY530 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[674]) ).

thf(791,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[675]) ).

thf(792,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[675]) ).

thf(793,plain,
    ! [SV76: $i] :
      ( ( ( ~ ( relation @ SV76 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY410: $i] :
                    ( ~ ( relation @ SY410 )
                    | ~ ( subset @ SV76 @ SY410 )
                    | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SY410 ) ) )
              | ~ ! [SY411: $i] :
                    ( ~ ( relation @ SY411 )
                    | ~ ( subset @ SV76 @ SY411 )
                    | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SY411 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[676]) ).

thf(794,plain,
    ! [SV77: $i] :
      ( ( ( ~ ( relation @ SV77 ) )
        = $true )
      | ( ( ! [SY412: $i] :
              ( ~ ( relation @ SY412 )
              | ~ ( ~ ! [SY413: $i] :
                        ( ~ ( relation @ SY413 )
                        | ~ ( ~ ( ! [SY414: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ SY414 ) @ SV77 )
                                    | ~ ( in @ ( ordered_pair @ SY414 @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY412 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY413 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK12_SY308 @ SY413 @ SY412 @ SV77 ) ) @ SV77 )
                                    | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY412 ) )
                                | ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY413 ) ) )
                        | ( SY413
                          = ( relation_composition @ SV77 @ SY412 ) ) )
                  | ~ ! [SY415: $i] :
                        ( ~ ( relation @ SY415 )
                        | ( SY415
                         != ( relation_composition @ SV77 @ SY412 ) )
                        | ~ ( ~ ! [SY416: $i,SY417: $i] :
                                  ( ! [SY418: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SY416 @ SY418 ) @ SV77 )
                                      | ~ ( in @ ( ordered_pair @ SY418 @ SY417 ) @ SY412 ) )
                                  | ( in @ ( ordered_pair @ SY416 @ SY417 ) @ SY415 ) )
                            | ~ ! [SY419: $i,SY420: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY419 @ SY420 ) @ SY415 )
                                  | ~ ( ~ ( in @ ( ordered_pair @ SY419 @ ( sK9_F @ SY420 @ SY419 @ SY415 @ SY412 @ SV77 ) ) @ SV77 )
                                      | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY420 @ SY419 @ SY415 @ SY412 @ SV77 ) @ SY420 ) @ SY412 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[677]) ).

thf(795,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( relation @ SV78 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY421: $i] :
                    ( ~ ( ~ ( ! [SY422: $i] :
                                ~ ( in @ ( ordered_pair @ SY422 @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                            | ~ ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SY421 @ SV78 ) @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                            | ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) ) )
                    | ( SY421
                      = ( relation_rng @ SV78 ) ) )
              | ~ ! [SY423: $i] :
                    ( ( SY423
                     != ( relation_rng @ SV78 ) )
                    | ~ ( ~ ! [SY424: $i] :
                              ( ! [SY425: $i] :
                                  ~ ( in @ ( ordered_pair @ SY425 @ SY424 ) @ SV78 )
                              | ( in @ SY424 @ SY423 ) )
                        | ~ ! [SY426: $i] :
                              ( ~ ( in @ SY426 @ SY423 )
                              | ( in @ ( ordered_pair @ ( sK36_D @ SY426 @ SY423 @ SV78 ) @ SY426 ) @ SV78 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[678]) ).

thf(796,plain,
    ! [SV79: $i] :
      ( ( ~ ! [SY427: $i,SY428: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                            | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                             != SV79 ) )
                        | ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                            | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                             != SY427 ) ) )
                  | ~ ( ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                      | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                        = SV79 )
                      | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                        = SY427 ) ) )
              | ( SY428
                = ( unordered_pair @ SV79 @ SY427 ) ) )
        | ~ ! [SY429: $i,SY430: $i] :
              ( ( SY430
               != ( unordered_pair @ SV79 @ SY429 ) )
              | ~ ( ~ ! [SY431: $i] :
                        ( ~ ( in @ SY431 @ SY430 )
                        | ( SY431 = SV79 )
                        | ( SY431 = SY429 ) )
                  | ~ ~ ( ~ ! [SY432: $i] :
                              ( ( SY432 != SV79 )
                              | ( in @ SY432 @ SY430 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY429 )
                              | ( in @ SX3 @ SY430 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[679]) ).

thf(797,plain,
    ( ( ~ ( empty @ sK35_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[680]) ).

thf(798,plain,
    ( ( ~ ( relation @ sK35_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[680]) ).

thf(799,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK28_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK28_C @ SX1 @ SX0 ) @ SX0 ) ) )
            | ( SX1
              = ( powerset @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[681]) ).

thf(800,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)],[681]) ).

thf(801,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK48_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK48_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[682]) ).

thf(802,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK46_C @ SX1 @ SX0 ) @ ( sK47_SY328 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[682]) ).

thf(803,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
             != SX0 )
            | ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[683]) ).

thf(804,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( in @ SX1 @ SX0 )
            | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[683]) ).

thf(805,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[684]) ).

thf(806,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)],[684]) ).

thf(807,plain,
    ! [SV80: $i] :
      ( ( ~ ( element @ ( sK6_B @ SV80 ) @ ( powerset @ SV80 ) )
        | ~ ( empty @ ( sK6_B @ SV80 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[685]) ).

thf(808,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[686]) ).

thf(809,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[686]) ).

thf(810,plain,
    ! [SV81: $i] :
      ( ( ~ ! [SY434: $i,SY435: $i] :
              ( ~ ( ~ ( ! [SY436: $i,SY437: $i] :
                          ( ~ ( in @ SY436 @ SV81 )
                          | ~ ( in @ SY437 @ SY434 )
                          | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                           != ( ordered_pair @ SY436 @ SY437 ) ) )
                      | ~ ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) )
                  | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ SV81 )
                                | ~ ( in @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) @ SY434 ) )
                          | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                           != ( ordered_pair @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) ) ) )
                      | ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) ) )
              | ( SY435
                = ( cartesian_product2 @ SV81 @ SY434 ) ) )
        | ~ ! [SY438: $i,SY439: $i] :
              ( ( SY439
               != ( cartesian_product2 @ SV81 @ SY438 ) )
              | ~ ( ~ ! [SY440: $i] :
                        ( ! [SY441: $i,SY442: $i] :
                            ( ~ ( in @ SY441 @ SV81 )
                            | ~ ( in @ SY442 @ SY438 )
                            | ( SY440
                             != ( ordered_pair @ SY441 @ SY442 ) ) )
                        | ( in @ SY440 @ SY439 ) )
                  | ~ ! [SY443: $i] :
                        ( ~ ( in @ SY443 @ SY439 )
                        | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ SV81 )
                                  | ~ ( in @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) @ SY438 ) )
                            | ( SY443
                             != ( ordered_pair @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[687]) ).

thf(811,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ( ~ ! [SY531: $i,SY532: $i] :
                  ( ~ ( in @ SV82 @ SY531 )
                  | ~ ( in @ SV142 @ SY532 )
                  | ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY531 @ SY532 ) ) )
            | ~ ~ ( ~ ! [SY533: $i] :
                        ( ! [SY534: $i] :
                            ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY533 @ SY534 ) )
                        | ( in @ SV82 @ SY533 ) )
                  | ~ ! [SY535: $i,SY536: $i] :
                        ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY535 @ SY536 ) )
                        | ( in @ SV142 @ SY536 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[688]) ).

thf(812,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)],[689]) ).

thf(813,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)],[689]) ).

thf(814,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_rng @ SX0 )
              = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[690]) ).

thf(815,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ( ( relation_dom @ SX0 )
              = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[690]) ).

thf(816,plain,
    ! [SV83: $i] :
      ( ( ~ ! [SY451: $i,SY452: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                            | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 ) )
                        | ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                            | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
                  | ~ ( ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                      | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 )
                      | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
              | ( SY452
                = ( set_union2 @ SV83 @ SY451 ) ) )
        | ~ ! [SY453: $i,SY454: $i] :
              ( ( SY454
               != ( set_union2 @ SV83 @ SY453 ) )
              | ~ ( ~ ! [SY455: $i] :
                        ( ~ ( in @ SY455 @ SY454 )
                        | ( in @ SY455 @ SV83 )
                        | ( in @ SY455 @ SY453 ) )
                  | ~ ~ ( ~ ! [SY456: $i] :
                              ( ~ ( in @ SY456 @ SV83 )
                              | ( in @ SY456 @ SY454 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY453 )
                              | ( in @ SX3 @ SY454 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[691]) ).

thf(817,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK20_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK20_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[692]) ).

thf(818,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[692]) ).

thf(819,plain,
    ! [SV143: $i,SV84: $i] :
      ( ( ~ ( ~ ! [SY537: $i] :
                  ( ! [SY538: $i] :
                      ( ( ordered_pair @ SV84 @ SV143 )
                     != ( ordered_pair @ SY537 @ SY538 ) )
                  | ( SV84 = SY537 ) )
            | ~ ! [SY539: $i,SY540: $i] :
                  ( ( ( ordered_pair @ SV84 @ SV143 )
                   != ( ordered_pair @ SY539 @ SY540 ) )
                  | ( SV143 = SY540 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[693]) ).

thf(820,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[694]) ).

thf(821,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[694]) ).

thf(822,plain,
    ! [SV85: $i] :
      ( ( ~ ! [SY463: $i] :
              ( ~ ( subset @ SY463 @ ( sK2_B @ SV85 ) )
              | ( are_equipotent @ SY463 @ ( sK2_B @ SV85 ) )
              | ( in @ SY463 @ ( sK2_B @ SV85 ) ) )
        | ~ ~ ( ~ ! [SY464: $i] :
                    ( ~ ( ~ ! [SY465: $i] :
                              ( ~ ( subset @ SY465 @ SY464 )
                              | ( in @ SY465 @ ( sK3_SY299 @ SY464 @ SV85 ) ) )
                        | ~ ( in @ ( sK3_SY299 @ SY464 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
                    | ~ ( in @ SY464 @ ( sK2_B @ SV85 ) ) )
              | ~ ~ ( ~ ! [SY466: $i,SY467: $i] :
                          ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
                          | ~ ( subset @ SY467 @ SY466 )
                          | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
                    | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[695]) ).

thf(823,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[696]) ).

thf(824,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[696]) ).

thf(825,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_SY311 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK18_SY311 @ SX1 @ SX0 ) @ SX0 ) )
                    | ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[697]) ).

thf(826,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)],[697]) ).

thf(827,plain,
    ! [SV86: $i] :
      ( ( ( ~ ( relation @ SV86 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY468: $i] :
                    ( ~ ( ~ ( ! [SY469: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ SY469 ) @ SV86 )
                            | ~ ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ ( sK41_SY325 @ SY468 @ SV86 ) ) @ SV86 )
                            | ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) ) )
                    | ( SY468
                      = ( relation_dom @ SV86 ) ) )
              | ~ ! [SY470: $i] :
                    ( ( SY470
                     != ( relation_dom @ SV86 ) )
                    | ~ ( ~ ! [SY471: $i] :
                              ( ! [SY472: $i] :
                                  ~ ( in @ ( ordered_pair @ SY471 @ SY472 ) @ SV86 )
                              | ( in @ SY471 @ SY470 ) )
                        | ~ ! [SY473: $i] :
                              ( ~ ( in @ SY473 @ SY470 )
                              | ( in @ ( ordered_pair @ SY473 @ ( sK39_D @ SY473 @ SY470 @ SV86 ) ) @ SV86 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[698]) ).

thf(828,plain,
    ( ( ~ ~ ( empty @ sK34_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[699]) ).

thf(829,plain,
    ( ( ~ ( relation @ sK34_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[699]) ).

thf(830,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_intersection2 @ SX0 @ SX1 )
             != empty_set )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[700]) ).

thf(831,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_intersection2 @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[700]) ).

thf(832,plain,
    ( ( ( ( relation_dom @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[701]) ).

thf(833,plain,
    ( ( ( ( relation_rng @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[701]) ).

thf(834,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( proper_subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[702]) ).

thf(835,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)],[702]) ).

thf(836,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[703]) ).

thf(837,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[703]) ).

thf(838,plain,
    ! [SV87: $i] :
      ( ( ~ ! [SY474: $i] :
              ( ~ ( subset @ SY474 @ ( sK32_B @ SV87 ) )
              | ( are_equipotent @ SY474 @ ( sK32_B @ SV87 ) )
              | ( in @ SY474 @ ( sK32_B @ SV87 ) ) )
        | ~ ~ ( ~ ! [SY475: $i] :
                    ( ~ ( in @ SY475 @ ( sK32_B @ SV87 ) )
                    | ( in @ ( powerset @ SY475 ) @ ( sK32_B @ SV87 ) ) )
              | ~ ~ ( ~ ! [SY476: $i,SY477: $i] :
                          ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
                          | ~ ( subset @ SY477 @ SY476 )
                          | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
                    | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[704]) ).

thf(839,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[705]) ).

thf(840,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[705]) ).

thf(841,plain,
    ! [SV88: $i] :
      ( ( ( empty @ SV88 )
        = $true )
      | ( ( ~ ( ~ ( element @ ( sK8_B @ SV88 ) @ ( powerset @ SV88 ) )
              | ~ ~ ( empty @ ( sK8_B @ SV88 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[706]) ).

thf(842,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[707]) ).

thf(843,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)],[707]) ).

thf(844,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != SX0 )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[708]) ).

thf(845,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[708]) ).

thf(846,plain,
    ! [SV89: $i] :
      ( ( ~ ! [SY478: $i,SY479: $i] :
              ( ~ ( in @ SV89 @ SY479 )
              | ~ ( in @ SY478 @ SY479 )
              | ( subset @ ( unordered_pair @ SV89 @ SY478 ) @ SY479 ) )
        | ~ ~ ( ~ ! [SY480: $i,SY481: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV89 @ SY480 ) @ SY481 )
                    | ( in @ SV89 @ SY481 ) )
              | ~ ! [SY482: $i,SY483: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV89 @ SY482 ) @ SY483 )
                    | ( in @ SY482 @ SY483 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[709]) ).

thf(847,plain,
    ! [SV90: $i] :
      ( ( ( ~ ( relation @ SV90 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY484: $i] :
                    ( ~ ( relation @ SY484 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                            | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                            | ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) ) )
                    | ( SY484
                      = ( relation_inverse @ SV90 ) ) )
              | ~ ! [SY485: $i] :
                    ( ~ ( relation @ SY485 )
                    | ( SY485
                     != ( relation_inverse @ SV90 ) )
                    | ~ ( ~ ! [SY486: $i,SY487: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY486 @ SY487 ) @ SY485 )
                              | ( in @ ( ordered_pair @ SY487 @ SY486 ) @ SV90 ) )
                        | ~ ! [SY488: $i,SY489: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY489 @ SY488 ) @ SV90 )
                              | ( in @ ( ordered_pair @ SY488 @ SY489 ) @ SY485 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[710]) ).

thf(848,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK29_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK29_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK29_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK29_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[711]) ).

thf(849,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)],[711]) ).

thf(850,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ~ ( ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV91 )
            | ~ ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV144 ) )
        | ( element @ SV91 @ ( powerset @ SV144 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[712]) ).

thf(851,plain,
    ! [SV92: $i] :
      ( ( ~ ! [SY491: $i,SY492: $i] :
              ( ~ ( relation @ SY492 )
              | ~ ( in @ ( ordered_pair @ SV92 @ SY491 ) @ SY492 )
              | ( in @ SV92 @ ( relation_field @ SY492 ) ) )
        | ~ ! [SY493: $i,SY494: $i] :
              ( ~ ( relation @ SY494 )
              | ~ ( in @ ( ordered_pair @ SV92 @ SY493 ) @ SY494 )
              | ( in @ SY493 @ ( relation_field @ SY494 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[713]) ).

thf(852,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[714]) ).

thf(853,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)],[714]) ).

thf(854,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[715]) ).

thf(855,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[715]) ).

thf(856,plain,
    ! [SV93: $i] :
      ( ( ~ ! [SY495: $i,SY496: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                      | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                      | ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                            | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                        | ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                            | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) ) ) )
              | ( SY496
                = ( set_difference @ SV93 @ SY495 ) ) )
        | ~ ! [SY497: $i,SY498: $i] :
              ( ( SY498
               != ( set_difference @ SV93 @ SY497 ) )
              | ~ ( ~ ! [SY499: $i] :
                        ( ~ ( in @ SY499 @ SV93 )
                        | ( in @ SY499 @ SY497 )
                        | ( in @ SY499 @ SY498 ) )
                  | ~ ~ ( ~ ! [SY500: $i] :
                              ( ~ ( in @ SY500 @ SY498 )
                              | ( in @ SY500 @ SV93 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY498 )
                              | ~ ( in @ SX3 @ SY497 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[716]) ).

thf(857,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[717]) ).

thf(858,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[717]) ).

thf(859,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[718]) ).

thf(860,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( set_difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[718]) ).

thf(861,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
                | ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) )
            | ~ ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
                | ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) ) )
        | ( SV94 = SV145 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[719]) ).

thf(862,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ ( sK45_SY326 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
                          | ~ ( ! [SX2: $i] :
                                  ( ~ ( in @ SX2 @ SX0 )
                                  | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX2 ) )
                              | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ( SX1
                        = ( set_meet @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ( SX0 = empty_set )
                  | ! [SX1: $i] :
                      ( ( SX1
                       != ( set_meet @ SX0 ) )
                      | ~ ( ~ ! [SX2: $i] :
                                ( ~ ( ~ ( in @ ( sK43_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                    | ~ ~ ( in @ SX2 @ ( sK43_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)],[720]) ).

thf(863,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)],[720]) ).

thf(864,plain,
    ! [SV95: $i] :
      ( ( ~ ! [SY503: $i,SY504: $i] :
              ( ~ ( relation @ SY504 )
              | ~ ( in @ ( ordered_pair @ SV95 @ SY503 ) @ SY504 )
              | ( in @ SV95 @ ( relation_dom @ SY504 ) ) )
        | ~ ! [SY505: $i,SY506: $i] :
              ( ~ ( relation @ SY506 )
              | ~ ( in @ ( ordered_pair @ SV95 @ SY505 ) @ SY506 )
              | ( in @ SY505 @ ( relation_rng @ SY506 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[721]) ).

thf(865,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK42_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[722]) ).

thf(866,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[722]) ).

thf(867,plain,
    ! [SV96: $i] :
      ( ( ~ ! [SY507: $i] :
              ( ~ ( subset @ SV96 @ SY507 )
              | ! [SY508: $i] : ( subset @ ( cartesian_product2 @ SV96 @ SY508 ) @ ( cartesian_product2 @ SY507 @ SY508 ) ) )
        | ~ ! [SY509: $i] :
              ( ~ ( subset @ SV96 @ SY509 )
              | ! [SY510: $i] : ( subset @ ( cartesian_product2 @ SY510 @ SV96 ) @ ( cartesian_product2 @ SY510 @ SY509 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[723]) ).

thf(868,plain,
    ! [SV2: $i] :
      ( ( ( relation @ SV2 )
        = $false )
      | ( ( subset @ SV2 @ ( cartesian_product2 @ ( relation_dom @ SV2 ) @ ( relation_rng @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(869,plain,
    ! [SV4: $i] :
      ( ( ( subset @ SV4 @ empty_set )
        = $false )
      | ( ( SV4 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[726]) ).

thf(870,plain,
    ! [SV5: $i] :
      ( ( ( relation @ SV5 )
        = $false )
      | ( ( ! [SY332: $i] :
              ( ~ ( relation @ SY332 )
              | ( subset @ ( relation_dom @ ( relation_composition @ SV5 @ SY332 ) ) @ ( relation_dom @ SV5 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[727]) ).

thf(871,plain,
    ! [SV6: $i] :
      ( ( ( relation @ SV6 )
        = $false )
      | ( ( ! [SY333: $i] :
              ( ~ ( relation @ SY333 )
              | ( subset @ ( relation_rng @ ( relation_composition @ SV6 @ SY333 ) ) @ ( relation_rng @ SY333 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[728]) ).

thf(872,plain,
    ! [SV7: $i] :
      ( ( ( relation @ SV7 )
        = $false )
      | ( ( ! [SY334: $i] :
              ( ~ ( relation @ SY334 )
              | ~ ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SY334 ) )
              | ( ( relation_dom @ ( relation_composition @ SV7 @ SY334 ) )
                = ( relation_dom @ SV7 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[729]) ).

thf(873,plain,
    ! [SV8: $i] :
      ( ( ( relation @ SV8 )
        = $false )
      | ( ( ! [SY335: $i] :
              ( ~ ( relation @ SY335 )
              | ~ ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SY335 ) )
              | ( ( relation_rng @ ( relation_composition @ SY335 @ SV8 ) )
                = ( relation_rng @ SV8 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[730]) ).

thf(874,plain,
    ! [SV9: $i] :
      ( ( ( relation @ SV9 )
        = $false )
      | ( ( ( in @ ( ordered_pair @ ( sK49_B @ SV9 ) @ ( sK50_SY331 @ SV9 ) ) @ SV9 )
          | ( SV9 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[731]) ).

thf(875,plain,
    ! [SV10: $i] :
      ( ( ( empty @ SV10 )
        = $false )
      | ( ( relation @ SV10 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[732]) ).

thf(876,plain,
    ! [SV11: $i] :
      ( ( ( relation @ SV11 )
        = $false )
      | ( ( ( relation_field @ SV11 )
          = ( set_union2 @ ( relation_dom @ SV11 ) @ ( relation_rng @ SV11 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[733]) ).

thf(877,plain,
    ! [SV12: $i] :
      ( ( ( relation @ SV12 )
        = $false )
      | ( ( relation @ ( relation_inverse @ SV12 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[734]) ).

thf(878,plain,
    ! [SV97: $i,SV13: $i] :
      ( ( ( ~ ( relation @ SV13 )
          | ~ ( relation @ SV97 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV13 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[735]) ).

thf(879,plain,
    ! [SV98: $i,SV14: $i] :
      ( ( ( ~ ( relation @ SV14 )
          | ~ ( relation @ SV98 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV14 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[736]) ).

thf(880,plain,
    ! [SV15: $i] :
      ( ( ( empty @ SV15 )
        = $true )
      | ( ( ~ ( relation @ SV15 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV15 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[737]) ).

thf(881,plain,
    ! [SV16: $i] :
      ( ( ( empty @ SV16 )
        = $true )
      | ( ( ~ ( relation @ SV16 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[738]) ).

thf(882,plain,
    ! [SV17: $i] :
      ( ( ( relation @ SV17 )
        = $false )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV17 ) )
          = SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[739]) ).

thf(883,plain,
    ! [SV22: $i] :
      ( ( ( empty @ SV22 )
        = $false )
      | ( ( SV22 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[740]) ).

thf(884,plain,
    ! [SV99: $i,SV23: $i] :
      ( ( ( ~ ( in @ SV23 @ SV99 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV23 ) @ SV99 )
          = SV99 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[741]) ).

thf(885,plain,
    ! [SV100: $i,SV24: $i] :
      ( ( ( ~ ( disjoint @ ( singleton @ SV24 ) @ SV100 ) )
        = $true )
      | ( ( ~ ( in @ SV24 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[742]) ).

thf(886,plain,
    ! [SV101: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV101 )
        = $true )
      | ( ( disjoint @ ( singleton @ SV25 ) @ SV101 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[743]) ).

thf(887,plain,
    ! [SV26: $i,SV102: $i] :
      ( ( ( ~ ( element @ SV102 @ ( powerset @ SV26 ) ) )
        = $true )
      | ( ( ! [SY511: $i] :
              ( ~ ( in @ SY511 @ SV102 )
              | ( in @ SY511 @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[744]) ).

thf(888,plain,
    ! [SV103: $i,SV27: $i] :
      ( ( ( ~ ( subset @ SV27 @ SV103 ) )
        = $true )
      | ( ( ! [SY512: $i] :
              ( ( in @ SY512 @ SV27 )
              | ( subset @ SV27 @ ( set_difference @ SV103 @ ( singleton @ SY512 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[745]) ).

thf(889,plain,
    ! [SV104: $i,SV28: $i] :
      ( ( ( ~ ( in @ SV28 @ SV104 ) )
        = $true )
      | ( ( subset @ SV28 @ ( union @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[746]) ).

thf(890,plain,
    ! [SV146: $i,SV105: $i,SV29: $i] :
      ( ( ! [SY541: $i] :
            ( ~ ( subset @ SV29 @ SV105 )
            | ~ ( subset @ SV146 @ SY541 )
            | ( subset @ ( cartesian_product2 @ SV29 @ SV146 ) @ ( cartesian_product2 @ SV105 @ SY541 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[747]) ).

thf(891,plain,
    ! [SV106: $i,SV30: $i] :
      ( ( ( ~ ( subset @ SV30 @ SV106 ) )
        = $true )
      | ( ( ( set_union2 @ SV30 @ SV106 )
          = SV106 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[748]) ).

thf(892,plain,
    ! [SV147: $i,SV108: $i,SV32: $i] :
      ( ( ~ ( subset @ SV32 @ SV108 )
        | ~ ( subset @ SV32 @ SV147 )
        | ( subset @ SV32 @ ( set_intersection2 @ SV108 @ SV147 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[750]) ).

thf(893,plain,
    ! [SV148: $i,SV109: $i,SV33: $i] :
      ( ( ~ ( subset @ SV33 @ SV109 )
        | ~ ( subset @ SV109 @ SV148 )
        | ( subset @ SV33 @ SV148 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[751]) ).

thf(894,plain,
    ! [SV110: $i,SV34: $i] :
      ( ( ( ~ ( subset @ SV34 @ SV110 ) )
        = $true )
      | ( ( ! [SY517: $i] : ( subset @ ( set_intersection2 @ SV34 @ SY517 ) @ ( set_intersection2 @ SV110 @ SY517 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[752]) ).

thf(895,plain,
    ! [SV111: $i,SV35: $i] :
      ( ( ( ~ ( subset @ SV35 @ SV111 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV35 @ SV111 )
          = SV35 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[753]) ).

thf(896,plain,
    ! [SV112: $i,SV36: $i] :
      ( ( ( ~ ( subset @ SV36 @ SV112 ) )
        = $true )
      | ( ( ! [SY518: $i] : ( subset @ ( set_difference @ SV36 @ SY518 ) @ ( set_difference @ SV112 @ SY518 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[754]) ).

thf(897,plain,
    ! [SV116: $i,SV40: $i] :
      ( ( ( ~ ( subset @ SV40 @ SV116 ) )
        = $true )
      | ( ( SV116
          = ( set_union2 @ SV40 @ ( set_difference @ SV116 @ SV40 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[758]) ).

thf(898,plain,
    ! [SV117: $i,SV41: $i] :
      ( ( ( ~ ( in @ SV41 @ SV117 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV41 ) @ SV117 )
          = SV117 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[759]) ).

thf(899,plain,
    ! [SV43: $i,SV119: $i] :
      ( ( ( ~ ( proper_subset @ SV119 @ SV43 ) )
        = $true )
      | ( ( ~ ( subset @ SV43 @ SV119 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[761]) ).

thf(900,plain,
    ! [SV44: $i,SV149: $i,SV120: $i] :
      ( ( ~ ( disjoint @ SV120 @ SV149 )
        | ~ ( subset @ SV44 @ SV120 )
        | ( disjoint @ SV44 @ SV149 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[762]) ).

thf(901,plain,
    ! [SV121: $i,SV46: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV46 ) @ ( singleton @ SV121 ) ) )
        = $true )
      | ( ( SV46 = SV121 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[763]) ).

thf(902,plain,
    ! [SV150: $i,SV123: $i,SV48: $i] :
      ( ( ~ ( subset @ SV48 @ SV123 )
        | ~ ( subset @ SV150 @ SV123 )
        | ( subset @ ( set_union2 @ SV48 @ SV150 ) @ SV123 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[765]) ).

thf(903,plain,
    ! [SV124: $i,SV49: $i] :
      ( ( ( ! [SY521: $i] :
              ( ( singleton @ SV49 )
             != ( unordered_pair @ SV124 @ SY521 ) ) )
        = $true )
      | ( ( SV49 = SV124 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[766]) ).

thf(904,plain,
    ! [SV125: $i,SV50: $i] :
      ( ( ( ~ ( in @ SV50 @ SV125 ) )
        = $true )
      | ( ( subset @ SV50 @ ( union @ SV125 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[767]) ).

thf(905,plain,
    ! [SV151: $i,SV126: $i,SV52: $i] :
      ( ( ( ( singleton @ SV52 )
         != ( unordered_pair @ SV126 @ SV151 ) )
        | ( SV126 = SV151 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[768]) ).

thf(906,plain,
    ! [SV127: $i,SV53: $i] :
      ( ( ( ~ ( in @ SV53 @ SV127 ) )
        = $true )
      | ( ( ~ ( in @ SV127 @ SV53 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[769]) ).

thf(907,plain,
    ! [SV131: $i,SV58: $i] :
      ( ( empty @ ( ordered_pair @ SV58 @ SV131 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[774]) ).

thf(908,plain,
    ! [SV152: $i,SV60: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV60 @ SV152 ) ) )
        = $true )
      | ( ( empty @ SV60 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[776]) ).

thf(909,plain,
    ! [SV132: $i,SV61: $i] :
      ( ( empty @ ( unordered_pair @ SV61 @ SV132 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[777]) ).

thf(910,plain,
    ! [SV62: $i,SV153: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV153 @ SV62 ) ) )
        = $true )
      | ( ( empty @ SV62 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[778]) ).

thf(911,plain,
    ! [SV133: $i,SV63: $i] :
      ( ( ( ( empty @ SV63 )
          | ( empty @ SV133 ) )
        = $true )
      | ( ( ~ ( empty @ ( cartesian_product2 @ SV63 @ SV133 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[779]) ).

thf(912,plain,
    ! [SV134: $i,SV67: $i] :
      ( ( ( ~ ( disjoint @ SV67 @ SV134 ) )
        = $true )
      | ( ( disjoint @ SV134 @ SV67 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[780]) ).

thf(913,plain,
    ! [SV135: $i,SV68: $i] :
      ( ( ( ~ ( in @ SV68 @ SV135 ) )
        = $true )
      | ( ( element @ SV68 @ SV135 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[781]) ).

thf(914,plain,
    ! [SV136: $i,SV69: $i] :
      ( ( ( ~ ( element @ SV69 @ SV136 ) )
        = $true )
      | ( ( ( empty @ SV136 )
          | ( in @ SV69 @ SV136 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[782]) ).

thf(915,plain,
    ! [SV70: $i,SV154: $i,SV137: $i] :
      ( ( ~ ( element @ SV137 @ ( powerset @ SV154 ) )
        | ~ ( in @ SV70 @ SV137 )
        | ( element @ SV70 @ SV154 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[783]) ).

thf(916,plain,
    ! [SV71: $i,SV155: $i,SV138: $i] :
      ( ( ~ ( element @ SV138 @ ( powerset @ SV155 ) )
        | ~ ( in @ SV71 @ SV138 )
        | ~ ( empty @ SV155 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[784]) ).

thf(917,plain,
    ! [SV72: $i,SV139: $i] :
      ( ( ( ~ ( empty @ SV139 ) )
        = $true )
      | ( ( ~ ( in @ SV72 @ SV139 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[785]) ).

thf(918,plain,
    ! [SV140: $i,SV73: $i] :
      ( ( ( ( SV73 = SV140 )
          | ~ ( empty @ SV73 ) )
        = $true )
      | ( ( ~ ( empty @ SV140 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[786]) ).

thf(919,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ( in @ ( sK30_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[787]) ).

thf(920,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[788]) ).

thf(921,plain,
    ! [SV74: $i] :
      ( ( ~ ! [SY396: $i,SY397: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                      | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                      | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                            | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                        | ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                            | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) ) ) )
              | ( SY397
                = ( set_intersection2 @ SV74 @ SY396 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[789]) ).

thf(922,plain,
    ! [SV74: $i] :
      ( ( ~ ! [SY398: $i,SY399: $i] :
              ( ( SY399
               != ( set_intersection2 @ SV74 @ SY398 ) )
              | ~ ( ~ ! [SY400: $i] :
                        ( ~ ( in @ SY400 @ SV74 )
                        | ~ ( in @ SY400 @ SY398 )
                        | ( in @ SY400 @ SY399 ) )
                  | ~ ~ ( ~ ! [SY401: $i] :
                              ( ~ ( in @ SY401 @ SY399 )
                              | ( in @ SY401 @ SV74 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY399 )
                              | ( in @ SX3 @ SY398 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[789]) ).

thf(923,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ! [SY525: $i,SY526: $i] :
              ( ~ ( in @ SV75 @ SY525 )
              | ~ ( in @ SV141 @ SY526 )
              | ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY525 @ SY526 ) ) )
        | ~ ~ ( ~ ! [SY527: $i] :
                    ( ! [SY528: $i] :
                        ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY527 @ SY528 ) )
                    | ( in @ SV75 @ SY527 ) )
              | ~ ! [SY529: $i,SY530: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY529 @ SY530 ) )
                    | ( in @ SV141 @ SY530 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[790]) ).

thf(924,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != empty_set )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[791]) ).

thf(925,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[792]) ).

thf(926,plain,
    ! [SV76: $i] :
      ( ( ( relation @ SV76 )
        = $false )
      | ( ( ~ ( ~ ! [SY410: $i] :
                    ( ~ ( relation @ SY410 )
                    | ~ ( subset @ SV76 @ SY410 )
                    | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SY410 ) ) )
              | ~ ! [SY411: $i] :
                    ( ~ ( relation @ SY411 )
                    | ~ ( subset @ SV76 @ SY411 )
                    | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SY411 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[793]) ).

thf(927,plain,
    ! [SV77: $i] :
      ( ( ( relation @ SV77 )
        = $false )
      | ( ( ! [SY412: $i] :
              ( ~ ( relation @ SY412 )
              | ~ ( ~ ! [SY413: $i] :
                        ( ~ ( relation @ SY413 )
                        | ~ ( ~ ( ! [SY414: $i] :
                                    ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ SY414 ) @ SV77 )
                                    | ~ ( in @ ( ordered_pair @ SY414 @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY412 ) )
                                | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY413 ) )
                            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK12_SY308 @ SY413 @ SY412 @ SV77 ) ) @ SV77 )
                                    | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY412 ) )
                                | ( in @ ( ordered_pair @ ( sK10_D @ SY413 @ SY412 @ SV77 ) @ ( sK11_SY304 @ SY413 @ SY412 @ SV77 ) ) @ SY413 ) ) )
                        | ( SY413
                          = ( relation_composition @ SV77 @ SY412 ) ) )
                  | ~ ! [SY415: $i] :
                        ( ~ ( relation @ SY415 )
                        | ( SY415
                         != ( relation_composition @ SV77 @ SY412 ) )
                        | ~ ( ~ ! [SY416: $i,SY417: $i] :
                                  ( ! [SY418: $i] :
                                      ( ~ ( in @ ( ordered_pair @ SY416 @ SY418 ) @ SV77 )
                                      | ~ ( in @ ( ordered_pair @ SY418 @ SY417 ) @ SY412 ) )
                                  | ( in @ ( ordered_pair @ SY416 @ SY417 ) @ SY415 ) )
                            | ~ ! [SY419: $i,SY420: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY419 @ SY420 ) @ SY415 )
                                  | ~ ( ~ ( in @ ( ordered_pair @ SY419 @ ( sK9_F @ SY420 @ SY419 @ SY415 @ SY412 @ SV77 ) ) @ SV77 )
                                      | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY420 @ SY419 @ SY415 @ SY412 @ SV77 ) @ SY420 ) @ SY412 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[794]) ).

thf(928,plain,
    ! [SV78: $i] :
      ( ( ( relation @ SV78 )
        = $false )
      | ( ( ~ ( ~ ! [SY421: $i] :
                    ( ~ ( ~ ( ! [SY422: $i] :
                                ~ ( in @ ( ordered_pair @ SY422 @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                            | ~ ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SY421 @ SV78 ) @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                            | ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) ) )
                    | ( SY421
                      = ( relation_rng @ SV78 ) ) )
              | ~ ! [SY423: $i] :
                    ( ( SY423
                     != ( relation_rng @ SV78 ) )
                    | ~ ( ~ ! [SY424: $i] :
                              ( ! [SY425: $i] :
                                  ~ ( in @ ( ordered_pair @ SY425 @ SY424 ) @ SV78 )
                              | ( in @ SY424 @ SY423 ) )
                        | ~ ! [SY426: $i] :
                              ( ~ ( in @ SY426 @ SY423 )
                              | ( in @ ( ordered_pair @ ( sK36_D @ SY426 @ SY423 @ SV78 ) @ SY426 ) @ SV78 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[795]) ).

thf(929,plain,
    ! [SV79: $i] :
      ( ( ~ ! [SY427: $i,SY428: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                            | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                             != SV79 ) )
                        | ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                            | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                             != SY427 ) ) )
                  | ~ ( ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                      | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                        = SV79 )
                      | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                        = SY427 ) ) )
              | ( SY428
                = ( unordered_pair @ SV79 @ SY427 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[796]) ).

thf(930,plain,
    ! [SV79: $i] :
      ( ( ~ ! [SY429: $i,SY430: $i] :
              ( ( SY430
               != ( unordered_pair @ SV79 @ SY429 ) )
              | ~ ( ~ ! [SY431: $i] :
                        ( ~ ( in @ SY431 @ SY430 )
                        | ( SY431 = SV79 )
                        | ( SY431 = SY429 ) )
                  | ~ ~ ( ~ ! [SY432: $i] :
                              ( ( SY432 != SV79 )
                              | ( in @ SY432 @ SY430 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY429 )
                              | ( in @ SX3 @ SY430 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[796]) ).

thf(931,plain,
    ( ( empty @ sK35_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[797]) ).

thf(932,plain,
    ( ( relation @ sK35_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[798]) ).

thf(933,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                  | ~ ( subset @ ( sK28_C @ SX1 @ SX0 ) @ SX0 ) )
              | ~ ( ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 )
                  | ( subset @ ( sK28_C @ SX1 @ SX0 ) @ SX0 ) ) )
          | ( SX1
            = ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[799]) ).

thf(934,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)],[800]) ).

thf(935,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ( sK48_B @ SX0 )
                   != ( ordered_pair @ SX1 @ SX2 ) )
              | ~ ( in @ ( sK48_B @ SX0 ) @ SX0 ) )
          | ( relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[801]) ).

thf(936,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ( SX1
                = ( ordered_pair @ ( sK46_C @ SX1 @ SX0 ) @ ( sK47_SY328 @ SX1 @ SX0 ) ) )
              | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[802]) ).

thf(937,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
           != SX0 )
          | ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[803]) ).

thf(938,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( in @ SX1 @ SX0 )
          | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[804]) ).

thf(939,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[805]) ).

thf(940,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)],[806]) ).

thf(941,plain,
    ! [SV80: $i] :
      ( ( ~ ( element @ ( sK6_B @ SV80 ) @ ( powerset @ SV80 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[807]) ).

thf(942,plain,
    ! [SV80: $i] :
      ( ( ~ ( empty @ ( sK6_B @ SV80 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[807]) ).

thf(943,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[808]) ).

thf(944,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[809]) ).

thf(945,plain,
    ! [SV81: $i] :
      ( ( ~ ! [SY434: $i,SY435: $i] :
              ( ~ ( ~ ( ! [SY436: $i,SY437: $i] :
                          ( ~ ( in @ SY436 @ SV81 )
                          | ~ ( in @ SY437 @ SY434 )
                          | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                           != ( ordered_pair @ SY436 @ SY437 ) ) )
                      | ~ ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) )
                  | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ SV81 )
                                | ~ ( in @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) @ SY434 ) )
                          | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                           != ( ordered_pair @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) ) ) )
                      | ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) ) )
              | ( SY435
                = ( cartesian_product2 @ SV81 @ SY434 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[810]) ).

thf(946,plain,
    ! [SV81: $i] :
      ( ( ~ ! [SY438: $i,SY439: $i] :
              ( ( SY439
               != ( cartesian_product2 @ SV81 @ SY438 ) )
              | ~ ( ~ ! [SY440: $i] :
                        ( ! [SY441: $i,SY442: $i] :
                            ( ~ ( in @ SY441 @ SV81 )
                            | ~ ( in @ SY442 @ SY438 )
                            | ( SY440
                             != ( ordered_pair @ SY441 @ SY442 ) ) )
                        | ( in @ SY440 @ SY439 ) )
                  | ~ ! [SY443: $i] :
                        ( ~ ( in @ SY443 @ SY439 )
                        | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ SV81 )
                                  | ~ ( in @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) @ SY438 ) )
                            | ( SY443
                             != ( ordered_pair @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[810]) ).

thf(947,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ! [SY531: $i,SY532: $i] :
              ( ~ ( in @ SV82 @ SY531 )
              | ~ ( in @ SV142 @ SY532 )
              | ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY531 @ SY532 ) ) )
        | ~ ~ ( ~ ! [SY533: $i] :
                    ( ! [SY534: $i] :
                        ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY533 @ SY534 ) )
                    | ( in @ SV82 @ SY533 ) )
              | ~ ! [SY535: $i,SY536: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY535 @ SY536 ) )
                    | ( in @ SV142 @ SY536 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[811]) ).

thf(948,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)],[812]) ).

thf(949,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)],[813]) ).

thf(950,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_rng @ SX0 )
            = ( relation_dom @ ( relation_inverse @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[814]) ).

thf(951,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ( ( relation_dom @ SX0 )
            = ( relation_rng @ ( relation_inverse @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[815]) ).

thf(952,plain,
    ! [SV83: $i] :
      ( ( ~ ! [SY451: $i,SY452: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                            | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 ) )
                        | ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                            | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
                  | ~ ( ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                      | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 )
                      | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
              | ( SY452
                = ( set_union2 @ SV83 @ SY451 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[816]) ).

thf(953,plain,
    ! [SV83: $i] :
      ( ( ~ ! [SY453: $i,SY454: $i] :
              ( ( SY454
               != ( set_union2 @ SV83 @ SY453 ) )
              | ~ ( ~ ! [SY455: $i] :
                        ( ~ ( in @ SY455 @ SY454 )
                        | ( in @ SY455 @ SV83 )
                        | ( in @ SY455 @ SY453 ) )
                  | ~ ~ ( ~ ! [SY456: $i] :
                              ( ~ ( in @ SY456 @ SV83 )
                              | ( in @ SY456 @ SY454 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY453 )
                              | ( in @ SX3 @ SY454 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[816]) ).

thf(954,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK20_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK20_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[817]) ).

thf(955,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[818]) ).

thf(956,plain,
    ! [SV143: $i,SV84: $i] :
      ( ( ~ ! [SY537: $i] :
              ( ! [SY538: $i] :
                  ( ( ordered_pair @ SV84 @ SV143 )
                 != ( ordered_pair @ SY537 @ SY538 ) )
              | ( SV84 = SY537 ) )
        | ~ ! [SY539: $i,SY540: $i] :
              ( ( ( ordered_pair @ SV84 @ SV143 )
               != ( ordered_pair @ SY539 @ SY540 ) )
              | ( SV143 = SY540 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[819]) ).

thf(957,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_rng @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[820]) ).

thf(958,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_rng @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[821]) ).

thf(959,plain,
    ! [SV85: $i] :
      ( ( ~ ! [SY463: $i] :
              ( ~ ( subset @ SY463 @ ( sK2_B @ SV85 ) )
              | ( are_equipotent @ SY463 @ ( sK2_B @ SV85 ) )
              | ( in @ SY463 @ ( sK2_B @ SV85 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[822]) ).

thf(960,plain,
    ! [SV85: $i] :
      ( ( ~ ~ ( ~ ! [SY464: $i] :
                    ( ~ ( ~ ! [SY465: $i] :
                              ( ~ ( subset @ SY465 @ SY464 )
                              | ( in @ SY465 @ ( sK3_SY299 @ SY464 @ SV85 ) ) )
                        | ~ ( in @ ( sK3_SY299 @ SY464 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
                    | ~ ( in @ SY464 @ ( sK2_B @ SV85 ) ) )
              | ~ ~ ( ~ ! [SY466: $i,SY467: $i] :
                          ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
                          | ~ ( subset @ SY467 @ SY466 )
                          | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
                    | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[822]) ).

thf(961,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[823]) ).

thf(962,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[824]) ).

thf(963,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_SY311 @ SX1 @ SX0 ) )
                      | ~ ( in @ ( sK18_SY311 @ SX1 @ SX0 ) @ SX0 ) )
                  | ( in @ ( sK17_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[825]) ).

thf(964,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)],[826]) ).

thf(965,plain,
    ! [SV86: $i] :
      ( ( ( relation @ SV86 )
        = $false )
      | ( ( ~ ( ~ ! [SY468: $i] :
                    ( ~ ( ~ ( ! [SY469: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ SY469 ) @ SV86 )
                            | ~ ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ ( sK41_SY325 @ SY468 @ SV86 ) ) @ SV86 )
                            | ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) ) )
                    | ( SY468
                      = ( relation_dom @ SV86 ) ) )
              | ~ ! [SY470: $i] :
                    ( ( SY470
                     != ( relation_dom @ SV86 ) )
                    | ~ ( ~ ! [SY471: $i] :
                              ( ! [SY472: $i] :
                                  ~ ( in @ ( ordered_pair @ SY471 @ SY472 ) @ SV86 )
                              | ( in @ SY471 @ SY470 ) )
                        | ~ ! [SY473: $i] :
                              ( ~ ( in @ SY473 @ SY470 )
                              | ( in @ ( ordered_pair @ SY473 @ ( sK39_D @ SY473 @ SY470 @ SV86 ) ) @ SV86 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[827]) ).

thf(966,plain,
    ( ( ~ ( empty @ sK34_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[828]) ).

thf(967,plain,
    ( ( relation @ sK34_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[829]) ).

thf(968,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_intersection2 @ SX0 @ SX1 )
           != empty_set )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[830]) ).

thf(969,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( ( set_intersection2 @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[831]) ).

thf(970,plain,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[832]) ).

thf(971,plain,
    ( ( ( relation_rng @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[833]) ).

thf(972,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 = SX1 )
          | ~ ( subset @ SX0 @ SX1 )
          | ( proper_subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[834]) ).

thf(973,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)],[835]) ).

thf(974,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[836]) ).

thf(975,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[837]) ).

thf(976,plain,
    ! [SV87: $i] :
      ( ( ~ ! [SY474: $i] :
              ( ~ ( subset @ SY474 @ ( sK32_B @ SV87 ) )
              | ( are_equipotent @ SY474 @ ( sK32_B @ SV87 ) )
              | ( in @ SY474 @ ( sK32_B @ SV87 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(977,plain,
    ! [SV87: $i] :
      ( ( ~ ~ ( ~ ! [SY475: $i] :
                    ( ~ ( in @ SY475 @ ( sK32_B @ SV87 ) )
                    | ( in @ ( powerset @ SY475 ) @ ( sK32_B @ SV87 ) ) )
              | ~ ~ ( ~ ! [SY476: $i,SY477: $i] :
                          ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
                          | ~ ( subset @ SY477 @ SY476 )
                          | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
                    | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(978,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[839]) ).

thf(979,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[840]) ).

thf(980,plain,
    ! [SV88: $i] :
      ( ( ( ~ ( element @ ( sK8_B @ SV88 ) @ ( powerset @ SV88 ) )
          | ~ ~ ( empty @ ( sK8_B @ SV88 ) ) )
        = $false )
      | ( ( empty @ SV88 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[841]) ).

thf(981,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[842]) ).

thf(982,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)],[843]) ).

thf(983,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != SX0 )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[844]) ).

thf(984,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[845]) ).

thf(985,plain,
    ! [SV89: $i] :
      ( ( ~ ! [SY478: $i,SY479: $i] :
              ( ~ ( in @ SV89 @ SY479 )
              | ~ ( in @ SY478 @ SY479 )
              | ( subset @ ( unordered_pair @ SV89 @ SY478 ) @ SY479 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[846]) ).

thf(986,plain,
    ! [SV89: $i] :
      ( ( ~ ~ ( ~ ! [SY480: $i,SY481: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV89 @ SY480 ) @ SY481 )
                    | ( in @ SV89 @ SY481 ) )
              | ~ ! [SY482: $i,SY483: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV89 @ SY482 ) @ SY483 )
                    | ( in @ SY482 @ SY483 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[846]) ).

thf(987,plain,
    ! [SV90: $i] :
      ( ( ( relation @ SV90 )
        = $false )
      | ( ( ~ ( ~ ! [SY484: $i] :
                    ( ~ ( relation @ SY484 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                            | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                            | ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) ) )
                    | ( SY484
                      = ( relation_inverse @ SV90 ) ) )
              | ~ ! [SY485: $i] :
                    ( ~ ( relation @ SY485 )
                    | ( SY485
                     != ( relation_inverse @ SV90 ) )
                    | ~ ( ~ ! [SY486: $i,SY487: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY486 @ SY487 ) @ SY485 )
                              | ( in @ ( ordered_pair @ SY487 @ SY486 ) @ SV90 ) )
                        | ~ ! [SY488: $i,SY489: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY489 @ SY488 ) @ SV90 )
                              | ( in @ ( ordered_pair @ SY488 @ SY489 ) @ SY485 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[847]) ).

thf(988,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ( ( sK29_C @ SX1 @ SX0 )
                   != SX0 )
                  | ~ ( in @ ( sK29_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( ( sK29_C @ SX1 @ SX0 )
                    = SX0 )
                  | ( in @ ( sK29_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( singleton @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[848]) ).

thf(989,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)],[849]) ).

thf(990,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV91 )
              | ~ ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV144 ) ) )
        = $true )
      | ( ( element @ SV91 @ ( powerset @ SV144 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[850]) ).

thf(991,plain,
    ! [SV92: $i] :
      ( ( ~ ! [SY491: $i,SY492: $i] :
              ( ~ ( relation @ SY492 )
              | ~ ( in @ ( ordered_pair @ SV92 @ SY491 ) @ SY492 )
              | ( in @ SV92 @ ( relation_field @ SY492 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[851]) ).

thf(992,plain,
    ! [SV92: $i] :
      ( ( ~ ! [SY493: $i,SY494: $i] :
              ( ~ ( relation @ SY494 )
              | ~ ( in @ ( ordered_pair @ SV92 @ SY493 ) @ SY494 )
              | ( in @ SY493 @ ( relation_field @ SY494 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[851]) ).

thf(993,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[852]) ).

thf(994,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)],[853]) ).

thf(995,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ~ ( ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ( in @ ( sK31_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[854]) ).

thf(996,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ~ ( in @ SX2 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[855]) ).

thf(997,plain,
    ! [SV93: $i] :
      ( ( ~ ! [SY495: $i,SY496: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                      | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                      | ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                            | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                        | ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                            | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) ) ) )
              | ( SY496
                = ( set_difference @ SV93 @ SY495 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[856]) ).

thf(998,plain,
    ! [SV93: $i] :
      ( ( ~ ! [SY497: $i,SY498: $i] :
              ( ( SY498
               != ( set_difference @ SV93 @ SY497 ) )
              | ~ ( ~ ! [SY499: $i] :
                        ( ~ ( in @ SY499 @ SV93 )
                        | ( in @ SY499 @ SY497 )
                        | ( in @ SY499 @ SY498 ) )
                  | ~ ~ ( ~ ! [SY500: $i] :
                              ( ~ ( in @ SY500 @ SY498 )
                              | ( in @ SY500 @ SV93 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY498 )
                              | ~ ( in @ SX3 @ SY497 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[856]) ).

thf(999,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[857]) ).

thf(1000,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[858]) ).

thf(1001,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_difference @ SX0 @ SX1 )
           != empty_set )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[859]) ).

thf(1002,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( ( set_difference @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[860]) ).

thf(1003,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
                  | ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) )
              | ~ ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
                  | ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) ) ) )
        = $true )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[861]) ).

thf(1004,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 = empty_set )
                | ! [SX1: $i] :
                    ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SX1 @ SX0 ) @ SX0 )
                                | ~ ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ ( sK45_SY326 @ SX1 @ SX0 ) ) )
                            | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ! [SX2: $i] :
                                ( ~ ( in @ SX2 @ SX0 )
                                | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX2 ) )
                            | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
                    | ( SX1
                      = ( set_meet @ SX0 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 = empty_set )
                | ! [SX1: $i] :
                    ( ( SX1
                     != ( set_meet @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ( ~ ( ~ ( in @ ( sK43_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                  | ~ ~ ( in @ SX2 @ ( sK43_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)],[862]) ).

thf(1005,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)],[863]) ).

thf(1006,plain,
    ! [SV95: $i] :
      ( ( ~ ! [SY503: $i,SY504: $i] :
              ( ~ ( relation @ SY504 )
              | ~ ( in @ ( ordered_pair @ SV95 @ SY503 ) @ SY504 )
              | ( in @ SV95 @ ( relation_dom @ SY504 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[864]) ).

thf(1007,plain,
    ! [SV95: $i] :
      ( ( ~ ! [SY505: $i,SY506: $i] :
              ( ~ ( relation @ SY506 )
              | ~ ( in @ ( ordered_pair @ SV95 @ SY505 ) @ SY506 )
              | ( in @ SY505 @ ( relation_rng @ SY506 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[864]) ).

thf(1008,plain,
    ( ( ! [SX0: $i] :
          ( ( in @ ( sK42_B @ SX0 ) @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[865]) ).

thf(1009,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[866]) ).

thf(1010,plain,
    ! [SV96: $i] :
      ( ( ~ ! [SY507: $i] :
              ( ~ ( subset @ SV96 @ SY507 )
              | ! [SY508: $i] : ( subset @ ( cartesian_product2 @ SV96 @ SY508 ) @ ( cartesian_product2 @ SY507 @ SY508 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[867]) ).

thf(1011,plain,
    ! [SV96: $i] :
      ( ( ~ ! [SY509: $i] :
              ( ~ ( subset @ SV96 @ SY509 )
              | ! [SY510: $i] : ( subset @ ( cartesian_product2 @ SY510 @ SV96 ) @ ( cartesian_product2 @ SY510 @ SY509 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[867]) ).

thf(1012,plain,
    ! [SV5: $i,SV156: $i] :
      ( ( ( ~ ( relation @ SV156 )
          | ( subset @ ( relation_dom @ ( relation_composition @ SV5 @ SV156 ) ) @ ( relation_dom @ SV5 ) ) )
        = $true )
      | ( ( relation @ SV5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[870]) ).

thf(1013,plain,
    ! [SV6: $i,SV157: $i] :
      ( ( ( ~ ( relation @ SV157 )
          | ( subset @ ( relation_rng @ ( relation_composition @ SV6 @ SV157 ) ) @ ( relation_rng @ SV157 ) ) )
        = $true )
      | ( ( relation @ SV6 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[871]) ).

thf(1014,plain,
    ! [SV7: $i,SV158: $i] :
      ( ( ( ~ ( relation @ SV158 )
          | ~ ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SV158 ) )
          | ( ( relation_dom @ ( relation_composition @ SV7 @ SV158 ) )
            = ( relation_dom @ SV7 ) ) )
        = $true )
      | ( ( relation @ SV7 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[872]) ).

thf(1015,plain,
    ! [SV8: $i,SV159: $i] :
      ( ( ( ~ ( relation @ SV159 )
          | ~ ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SV159 ) )
          | ( ( relation_rng @ ( relation_composition @ SV159 @ SV8 ) )
            = ( relation_rng @ SV8 ) ) )
        = $true )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[873]) ).

thf(1016,plain,
    ! [SV9: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK49_B @ SV9 ) @ ( sK50_SY331 @ SV9 ) ) @ SV9 )
        = $true )
      | ( ( SV9 = empty_set )
        = $true )
      | ( ( relation @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[874]) ).

thf(1017,plain,
    ! [SV97: $i,SV13: $i] :
      ( ( ( ~ ( relation @ SV13 ) )
        = $true )
      | ( ( ~ ( relation @ SV97 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV13 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[878]) ).

thf(1018,plain,
    ! [SV98: $i,SV14: $i] :
      ( ( ( ~ ( relation @ SV14 ) )
        = $true )
      | ( ( ~ ( relation @ SV98 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV14 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[879]) ).

thf(1019,plain,
    ! [SV15: $i] :
      ( ( ( relation @ SV15 )
        = $false )
      | ( ( empty @ SV15 )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV15 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[880]) ).

thf(1020,plain,
    ! [SV16: $i] :
      ( ( ( relation @ SV16 )
        = $false )
      | ( ( empty @ SV16 )
        = $true )
      | ( ( ~ ( empty @ ( relation_rng @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[881]) ).

thf(1021,plain,
    ! [SV99: $i,SV23: $i] :
      ( ( ( in @ SV23 @ SV99 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV23 ) @ SV99 )
          = SV99 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[884]) ).

thf(1022,plain,
    ! [SV100: $i,SV24: $i] :
      ( ( ( disjoint @ ( singleton @ SV24 ) @ SV100 )
        = $false )
      | ( ( ~ ( in @ SV24 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[885]) ).

thf(1023,plain,
    ! [SV26: $i,SV102: $i] :
      ( ( ( element @ SV102 @ ( powerset @ SV26 ) )
        = $false )
      | ( ( ! [SY511: $i] :
              ( ~ ( in @ SY511 @ SV102 )
              | ( in @ SY511 @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[887]) ).

thf(1024,plain,
    ! [SV103: $i,SV27: $i] :
      ( ( ( subset @ SV27 @ SV103 )
        = $false )
      | ( ( ! [SY512: $i] :
              ( ( in @ SY512 @ SV27 )
              | ( subset @ SV27 @ ( set_difference @ SV103 @ ( singleton @ SY512 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[888]) ).

thf(1025,plain,
    ! [SV104: $i,SV28: $i] :
      ( ( ( in @ SV28 @ SV104 )
        = $false )
      | ( ( subset @ SV28 @ ( union @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[889]) ).

thf(1026,plain,
    ! [SV160: $i,SV146: $i,SV105: $i,SV29: $i] :
      ( ( ~ ( subset @ SV29 @ SV105 )
        | ~ ( subset @ SV146 @ SV160 )
        | ( subset @ ( cartesian_product2 @ SV29 @ SV146 ) @ ( cartesian_product2 @ SV105 @ SV160 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[890]) ).

thf(1027,plain,
    ! [SV106: $i,SV30: $i] :
      ( ( ( subset @ SV30 @ SV106 )
        = $false )
      | ( ( ( set_union2 @ SV30 @ SV106 )
          = SV106 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[891]) ).

thf(1028,plain,
    ! [SV147: $i,SV108: $i,SV32: $i] :
      ( ( ( ~ ( subset @ SV32 @ SV108 )
          | ~ ( subset @ SV32 @ SV147 ) )
        = $true )
      | ( ( subset @ SV32 @ ( set_intersection2 @ SV108 @ SV147 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[892]) ).

thf(1029,plain,
    ! [SV148: $i,SV109: $i,SV33: $i] :
      ( ( ( ~ ( subset @ SV33 @ SV109 )
          | ~ ( subset @ SV109 @ SV148 ) )
        = $true )
      | ( ( subset @ SV33 @ SV148 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[893]) ).

thf(1030,plain,
    ! [SV110: $i,SV34: $i] :
      ( ( ( subset @ SV34 @ SV110 )
        = $false )
      | ( ( ! [SY517: $i] : ( subset @ ( set_intersection2 @ SV34 @ SY517 ) @ ( set_intersection2 @ SV110 @ SY517 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[894]) ).

thf(1031,plain,
    ! [SV111: $i,SV35: $i] :
      ( ( ( subset @ SV35 @ SV111 )
        = $false )
      | ( ( ( set_intersection2 @ SV35 @ SV111 )
          = SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[895]) ).

thf(1032,plain,
    ! [SV112: $i,SV36: $i] :
      ( ( ( subset @ SV36 @ SV112 )
        = $false )
      | ( ( ! [SY518: $i] : ( subset @ ( set_difference @ SV36 @ SY518 ) @ ( set_difference @ SV112 @ SY518 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[896]) ).

thf(1033,plain,
    ! [SV116: $i,SV40: $i] :
      ( ( ( subset @ SV40 @ SV116 )
        = $false )
      | ( ( SV116
          = ( set_union2 @ SV40 @ ( set_difference @ SV116 @ SV40 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[897]) ).

thf(1034,plain,
    ! [SV117: $i,SV41: $i] :
      ( ( ( in @ SV41 @ SV117 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV41 ) @ SV117 )
          = SV117 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[898]) ).

thf(1035,plain,
    ! [SV43: $i,SV119: $i] :
      ( ( ( proper_subset @ SV119 @ SV43 )
        = $false )
      | ( ( ~ ( subset @ SV43 @ SV119 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[899]) ).

thf(1036,plain,
    ! [SV44: $i,SV149: $i,SV120: $i] :
      ( ( ( ~ ( disjoint @ SV120 @ SV149 )
          | ~ ( subset @ SV44 @ SV120 ) )
        = $true )
      | ( ( disjoint @ SV44 @ SV149 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[900]) ).

thf(1037,plain,
    ! [SV121: $i,SV46: $i] :
      ( ( ( subset @ ( singleton @ SV46 ) @ ( singleton @ SV121 ) )
        = $false )
      | ( ( SV46 = SV121 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[901]) ).

thf(1038,plain,
    ! [SV150: $i,SV123: $i,SV48: $i] :
      ( ( ( ~ ( subset @ SV48 @ SV123 )
          | ~ ( subset @ SV150 @ SV123 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV48 @ SV150 ) @ SV123 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[902]) ).

thf(1039,plain,
    ! [SV161: $i,SV124: $i,SV49: $i] :
      ( ( ( ( ( singleton @ SV49 )
           != ( unordered_pair @ SV124 @ SV161 ) ) )
        = $true )
      | ( ( SV49 = SV124 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[903]) ).

thf(1040,plain,
    ! [SV125: $i,SV50: $i] :
      ( ( ( in @ SV50 @ SV125 )
        = $false )
      | ( ( subset @ SV50 @ ( union @ SV125 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[904]) ).

thf(1041,plain,
    ! [SV151: $i,SV126: $i,SV52: $i] :
      ( ( ( ( ( singleton @ SV52 )
           != ( unordered_pair @ SV126 @ SV151 ) ) )
        = $true )
      | ( ( SV126 = SV151 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[905]) ).

thf(1042,plain,
    ! [SV127: $i,SV53: $i] :
      ( ( ( in @ SV53 @ SV127 )
        = $false )
      | ( ( ~ ( in @ SV127 @ SV53 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[906]) ).

thf(1043,plain,
    ! [SV152: $i,SV60: $i] :
      ( ( ( empty @ ( set_union2 @ SV60 @ SV152 ) )
        = $false )
      | ( ( empty @ SV60 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[908]) ).

thf(1044,plain,
    ! [SV62: $i,SV153: $i] :
      ( ( ( empty @ ( set_union2 @ SV153 @ SV62 ) )
        = $false )
      | ( ( empty @ SV62 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[910]) ).

thf(1045,plain,
    ! [SV133: $i,SV63: $i] :
      ( ( ( empty @ SV63 )
        = $true )
      | ( ( empty @ SV133 )
        = $true )
      | ( ( ~ ( empty @ ( cartesian_product2 @ SV63 @ SV133 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[911]) ).

thf(1046,plain,
    ! [SV134: $i,SV67: $i] :
      ( ( ( disjoint @ SV67 @ SV134 )
        = $false )
      | ( ( disjoint @ SV134 @ SV67 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[912]) ).

thf(1047,plain,
    ! [SV135: $i,SV68: $i] :
      ( ( ( in @ SV68 @ SV135 )
        = $false )
      | ( ( element @ SV68 @ SV135 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[913]) ).

thf(1048,plain,
    ! [SV136: $i,SV69: $i] :
      ( ( ( element @ SV69 @ SV136 )
        = $false )
      | ( ( ( empty @ SV136 )
          | ( in @ SV69 @ SV136 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[914]) ).

thf(1049,plain,
    ! [SV70: $i,SV154: $i,SV137: $i] :
      ( ( ( ~ ( element @ SV137 @ ( powerset @ SV154 ) )
          | ~ ( in @ SV70 @ SV137 ) )
        = $true )
      | ( ( element @ SV70 @ SV154 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[915]) ).

thf(1050,plain,
    ! [SV71: $i,SV155: $i,SV138: $i] :
      ( ( ( ~ ( element @ SV138 @ ( powerset @ SV155 ) )
          | ~ ( in @ SV71 @ SV138 ) )
        = $true )
      | ( ( ~ ( empty @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[916]) ).

thf(1051,plain,
    ! [SV72: $i,SV139: $i] :
      ( ( ( empty @ SV139 )
        = $false )
      | ( ( ~ ( in @ SV72 @ SV139 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[917]) ).

thf(1052,plain,
    ! [SV140: $i,SV73: $i] :
      ( ( ( SV73 = SV140 )
        = $true )
      | ( ( ~ ( empty @ SV73 ) )
        = $true )
      | ( ( ~ ( empty @ SV140 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[918]) ).

thf(1053,plain,
    ! [SV162: $i] :
      ( ( ! [SY542: $i] :
            ( ( disjoint @ SV162 @ SY542 )
            | ( in @ ( sK30_C @ SY542 @ SV162 ) @ ( set_intersection2 @ SV162 @ SY542 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[919]) ).

thf(1054,plain,
    ! [SV163: $i] :
      ( ( ! [SY543: $i] :
            ( ! [SY544: $i] :
                ~ ( in @ SY544 @ ( set_intersection2 @ SV163 @ SY543 ) )
            | ~ ( disjoint @ SV163 @ SY543 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[920]) ).

thf(1055,plain,
    ! [SV74: $i] :
      ( ( ! [SY396: $i,SY397: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                    | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                    | ~ ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                | ~ ~ ( ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SV74 )
                          | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) )
                      | ~ ( ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY396 )
                          | ( in @ ( sK19_D @ SY397 @ SY396 @ SV74 ) @ SY397 ) ) ) )
            | ( SY397
              = ( set_intersection2 @ SV74 @ SY396 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[921]) ).

thf(1056,plain,
    ! [SV74: $i] :
      ( ( ! [SY398: $i,SY399: $i] :
            ( ( SY399
             != ( set_intersection2 @ SV74 @ SY398 ) )
            | ~ ( ~ ! [SY400: $i] :
                      ( ~ ( in @ SY400 @ SV74 )
                      | ~ ( in @ SY400 @ SY398 )
                      | ( in @ SY400 @ SY399 ) )
                | ~ ~ ( ~ ! [SY401: $i] :
                            ( ~ ( in @ SY401 @ SY399 )
                            | ( in @ SY401 @ SV74 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY399 )
                            | ( in @ SX3 @ SY398 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[922]) ).

thf(1057,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ! [SY525: $i,SY526: $i] :
              ( ~ ( in @ SV75 @ SY525 )
              | ~ ( in @ SV141 @ SY526 )
              | ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY525 @ SY526 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[923]) ).

thf(1058,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ~ ( ~ ! [SY527: $i] :
                    ( ! [SY528: $i] :
                        ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY527 @ SY528 ) )
                    | ( in @ SV75 @ SY527 ) )
              | ~ ! [SY529: $i,SY530: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY529 @ SY530 ) )
                    | ( in @ SV141 @ SY530 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[923]) ).

thf(1059,plain,
    ! [SV164: $i] :
      ( ( ! [SY545: $i] :
            ( ( ( set_difference @ SV164 @ SY545 )
             != empty_set )
            | ( subset @ SV164 @ SY545 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[924]) ).

thf(1060,plain,
    ! [SV165: $i] :
      ( ( ! [SY546: $i] :
            ( ~ ( subset @ SV165 @ SY546 )
            | ( ( set_difference @ SV165 @ SY546 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[925]) ).

thf(1061,plain,
    ! [SV76: $i] :
      ( ( ( ~ ! [SY410: $i] :
                ( ~ ( relation @ SY410 )
                | ~ ( subset @ SV76 @ SY410 )
                | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SY410 ) ) )
          | ~ ! [SY411: $i] :
                ( ~ ( relation @ SY411 )
                | ~ ( subset @ SV76 @ SY411 )
                | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SY411 ) ) ) )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[926]) ).

thf(1062,plain,
    ! [SV77: $i,SV166: $i] :
      ( ( ( ~ ( relation @ SV166 )
          | ~ ( ~ ! [SY547: $i] :
                    ( ~ ( relation @ SY547 )
                    | ~ ( ~ ( ! [SY548: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ SY548 ) @ SV77 )
                                | ~ ( in @ ( ordered_pair @ SY548 @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) ) @ SV77 )
                                | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                            | ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) ) )
                    | ( SY547
                      = ( relation_composition @ SV77 @ SV166 ) ) )
              | ~ ! [SY549: $i] :
                    ( ~ ( relation @ SY549 )
                    | ( SY549
                     != ( relation_composition @ SV77 @ SV166 ) )
                    | ~ ( ~ ! [SY550: $i,SY551: $i] :
                              ( ! [SY552: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY550 @ SY552 ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ SY552 @ SY551 ) @ SV166 ) )
                              | ( in @ ( ordered_pair @ SY550 @ SY551 ) @ SY549 ) )
                        | ~ ! [SY553: $i,SY554: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY553 @ SY554 ) @ SY549 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY553 @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) @ SY554 ) @ SV166 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[927]) ).

thf(1063,plain,
    ! [SV78: $i] :
      ( ( ( ~ ! [SY421: $i] :
                ( ~ ( ~ ( ! [SY422: $i] :
                            ~ ( in @ ( ordered_pair @ SY422 @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                        | ~ ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SY421 @ SV78 ) @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                        | ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) ) )
                | ( SY421
                  = ( relation_rng @ SV78 ) ) )
          | ~ ! [SY423: $i] :
                ( ( SY423
                 != ( relation_rng @ SV78 ) )
                | ~ ( ~ ! [SY424: $i] :
                          ( ! [SY425: $i] :
                              ~ ( in @ ( ordered_pair @ SY425 @ SY424 ) @ SV78 )
                          | ( in @ SY424 @ SY423 ) )
                    | ~ ! [SY426: $i] :
                          ( ~ ( in @ SY426 @ SY423 )
                          | ( in @ ( ordered_pair @ ( sK36_D @ SY426 @ SY423 @ SV78 ) @ SY426 ) @ SV78 ) ) ) ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[928]) ).

thf(1064,plain,
    ! [SV79: $i] :
      ( ( ! [SY427: $i,SY428: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                          | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                           != SV79 ) )
                      | ~ ( ~ ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                          | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                           != SY427 ) ) )
                | ~ ( ( in @ ( sK27_D @ SY428 @ SY427 @ SV79 ) @ SY428 )
                    | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                      = SV79 )
                    | ( ( sK27_D @ SY428 @ SY427 @ SV79 )
                      = SY427 ) ) )
            | ( SY428
              = ( unordered_pair @ SV79 @ SY427 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[929]) ).

thf(1065,plain,
    ! [SV79: $i] :
      ( ( ! [SY429: $i,SY430: $i] :
            ( ( SY430
             != ( unordered_pair @ SV79 @ SY429 ) )
            | ~ ( ~ ! [SY431: $i] :
                      ( ~ ( in @ SY431 @ SY430 )
                      | ( SY431 = SV79 )
                      | ( SY431 = SY429 ) )
                | ~ ~ ( ~ ! [SY432: $i] :
                            ( ( SY432 != SV79 )
                            | ( in @ SY432 @ SY430 ) )
                      | ~ ! [SX3: $i] :
                            ( ( SX3 != SY429 )
                            | ( in @ SX3 @ SY430 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[930]) ).

thf(1066,plain,
    ! [SV167: $i] :
      ( ( ! [SY555: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK28_C @ SY555 @ SV167 ) @ SY555 )
                    | ~ ( subset @ ( sK28_C @ SY555 @ SV167 ) @ SV167 ) )
                | ~ ( ( in @ ( sK28_C @ SY555 @ SV167 ) @ SY555 )
                    | ( subset @ ( sK28_C @ SY555 @ SV167 ) @ SV167 ) ) )
            | ( SY555
              = ( powerset @ SV167 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[933]) ).

thf(1067,plain,
    ! [SV168: $i] :
      ( ( ! [SY556: $i] :
            ( ( SY556
             != ( powerset @ SV168 ) )
            | ~ ( ~ ! [SY557: $i] :
                      ( ~ ( in @ SY557 @ SY556 )
                      | ( subset @ SY557 @ SV168 ) )
                | ~ ! [SY558: $i] :
                      ( ~ ( subset @ SY558 @ SV168 )
                      | ( in @ SY558 @ SY556 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[934]) ).

thf(1068,plain,
    ! [SV169: $i] :
      ( ( ~ ( ~ ! [SY559: $i,SY560: $i] :
                  ( ( sK48_B @ SV169 )
                 != ( ordered_pair @ SY559 @ SY560 ) )
            | ~ ( in @ ( sK48_B @ SV169 ) @ SV169 ) )
        | ( relation @ SV169 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[935]) ).

thf(1069,plain,
    ! [SV170: $i] :
      ( ( ~ ( relation @ SV170 )
        | ! [SY561: $i] :
            ( ( SY561
              = ( ordered_pair @ ( sK46_C @ SY561 @ SV170 ) @ ( sK47_SY328 @ SY561 @ SV170 ) ) )
            | ~ ( in @ SY561 @ SV170 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[936]) ).

thf(1070,plain,
    ! [SV171: $i] :
      ( ( ! [SY562: $i] :
            ( ( ( set_difference @ SV171 @ ( singleton @ SY562 ) )
             != SV171 )
            | ~ ( in @ SY562 @ SV171 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[937]) ).

thf(1071,plain,
    ! [SV172: $i] :
      ( ( ! [SY563: $i] :
            ( ( in @ SY563 @ SV172 )
            | ( ( set_difference @ SV172 @ ( singleton @ SY563 ) )
              = SV172 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[938]) ).

thf(1072,plain,
    ! [SV173: $i] :
      ( ( ! [SY564: $i] :
            ( ~ ( subset @ SV173 @ ( singleton @ SY564 ) )
            | ( SV173 = empty_set )
            | ( SV173
              = ( singleton @ SY564 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[939]) ).

thf(1073,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)],[940]) ).

thf(1074,plain,
    ! [SV80: $i] :
      ( ( element @ ( sK6_B @ SV80 ) @ ( powerset @ SV80 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[941]) ).

thf(1075,plain,
    ! [SV80: $i] :
      ( ( empty @ ( sK6_B @ SV80 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[942]) ).

thf(1076,plain,
    ! [SV174: $i] :
      ( ( ! [SY565: $i] :
            ( ~ ( in @ SV174 @ SY565 )
            | ( subset @ ( singleton @ SV174 ) @ SY565 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[943]) ).

thf(1077,plain,
    ! [SV175: $i] :
      ( ( ! [SY566: $i] :
            ( ~ ( subset @ ( singleton @ SV175 ) @ SY566 )
            | ( in @ SV175 @ SY566 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[944]) ).

thf(1078,plain,
    ! [SV81: $i] :
      ( ( ! [SY434: $i,SY435: $i] :
            ( ~ ( ~ ( ! [SY436: $i,SY437: $i] :
                        ( ~ ( in @ SY436 @ SV81 )
                        | ~ ( in @ SY437 @ SY434 )
                        | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                         != ( ordered_pair @ SY436 @ SY437 ) ) )
                    | ~ ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) )
                | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ SV81 )
                              | ~ ( in @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) @ SY434 ) )
                        | ( ( sK23_D @ SY435 @ SY434 @ SV81 )
                         != ( ordered_pair @ ( sK24_SY315 @ SY435 @ SY434 @ SV81 ) @ ( sK25_SY317 @ SY435 @ SY434 @ SV81 ) ) ) )
                    | ( in @ ( sK23_D @ SY435 @ SY434 @ SV81 ) @ SY435 ) ) )
            | ( SY435
              = ( cartesian_product2 @ SV81 @ SY434 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[945]) ).

thf(1079,plain,
    ! [SV81: $i] :
      ( ( ! [SY438: $i,SY439: $i] :
            ( ( SY439
             != ( cartesian_product2 @ SV81 @ SY438 ) )
            | ~ ( ~ ! [SY440: $i] :
                      ( ! [SY441: $i,SY442: $i] :
                          ( ~ ( in @ SY441 @ SV81 )
                          | ~ ( in @ SY442 @ SY438 )
                          | ( SY440
                           != ( ordered_pair @ SY441 @ SY442 ) ) )
                      | ( in @ SY440 @ SY439 ) )
                | ~ ! [SY443: $i] :
                      ( ~ ( in @ SY443 @ SY439 )
                      | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ SV81 )
                                | ~ ( in @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) @ SY438 ) )
                          | ( SY443
                           != ( ordered_pair @ ( sK21_E @ SY443 @ SY439 @ SY438 @ SV81 ) @ ( sK22_SY312 @ SY443 @ SY439 @ SY438 @ SV81 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[946]) ).

thf(1080,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ! [SY531: $i,SY532: $i] :
              ( ~ ( in @ SV82 @ SY531 )
              | ~ ( in @ SV142 @ SY532 )
              | ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY531 @ SY532 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[947]) ).

thf(1081,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ~ ( ~ ! [SY533: $i] :
                    ( ! [SY534: $i] :
                        ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY533 @ SY534 ) )
                    | ( in @ SV82 @ SY533 ) )
              | ~ ! [SY535: $i,SY536: $i] :
                    ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY535 @ SY536 ) )
                    | ( in @ SV142 @ SY536 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[947]) ).

thf(1082,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)],[948]) ).

thf(1083,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)],[949]) ).

thf(1084,plain,
    ! [SV176: $i] :
      ( ( ~ ( relation @ SV176 )
        | ( ( relation_rng @ SV176 )
          = ( relation_dom @ ( relation_inverse @ SV176 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[950]) ).

thf(1085,plain,
    ! [SV177: $i] :
      ( ( ~ ( relation @ SV177 )
        | ( ( relation_dom @ SV177 )
          = ( relation_rng @ ( relation_inverse @ SV177 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[951]) ).

thf(1086,plain,
    ! [SV83: $i] :
      ( ( ! [SY451: $i,SY452: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                          | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 ) )
                      | ~ ( ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                          | ~ ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
                | ~ ( ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY452 )
                    | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SV83 )
                    | ( in @ ( sK26_D @ SY452 @ SY451 @ SV83 ) @ SY451 ) ) )
            | ( SY452
              = ( set_union2 @ SV83 @ SY451 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[952]) ).

thf(1087,plain,
    ! [SV83: $i] :
      ( ( ! [SY453: $i,SY454: $i] :
            ( ( SY454
             != ( set_union2 @ SV83 @ SY453 ) )
            | ~ ( ~ ! [SY455: $i] :
                      ( ~ ( in @ SY455 @ SY454 )
                      | ( in @ SY455 @ SV83 )
                      | ( in @ SY455 @ SY453 ) )
                | ~ ~ ( ~ ! [SY456: $i] :
                            ( ~ ( in @ SY456 @ SV83 )
                            | ( in @ SY456 @ SY454 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY453 )
                            | ( in @ SX3 @ SY454 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[953]) ).

thf(1088,plain,
    ! [SV178: $i] :
      ( ( ! [SY567: $i] :
            ( ~ ( ~ ( in @ ( sK20_C @ SY567 @ SV178 ) @ SV178 )
                | ~ ~ ( in @ ( sK20_C @ SY567 @ SV178 ) @ SY567 ) )
            | ( subset @ SV178 @ SY567 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[954]) ).

thf(1089,plain,
    ! [SV179: $i] :
      ( ( ! [SY568: $i] :
            ( ~ ( subset @ SV179 @ SY568 )
            | ! [SY569: $i] :
                ( ~ ( in @ SY569 @ SV179 )
                | ( in @ SY569 @ SY568 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[955]) ).

thf(1090,plain,
    ! [SV143: $i,SV84: $i] :
      ( ( ~ ! [SY537: $i] :
              ( ! [SY538: $i] :
                  ( ( ordered_pair @ SV84 @ SV143 )
                 != ( ordered_pair @ SY537 @ SY538 ) )
              | ( SV84 = SY537 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[956]) ).

thf(1091,plain,
    ! [SV143: $i,SV84: $i] :
      ( ( ~ ! [SY539: $i,SY540: $i] :
              ( ( ( ordered_pair @ SV84 @ SV143 )
               != ( ordered_pair @ SY539 @ SY540 ) )
              | ( SV143 = SY540 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[956]) ).

thf(1092,plain,
    ! [SV180: $i] :
      ( ( ~ ( empty @ SV180 )
        | ( empty @ ( relation_rng @ SV180 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[957]) ).

thf(1093,plain,
    ! [SV181: $i] :
      ( ( ~ ( empty @ SV181 )
        | ( relation @ ( relation_rng @ SV181 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[958]) ).

thf(1094,plain,
    ! [SV85: $i] :
      ( ( ! [SY463: $i] :
            ( ~ ( subset @ SY463 @ ( sK2_B @ SV85 ) )
            | ( are_equipotent @ SY463 @ ( sK2_B @ SV85 ) )
            | ( in @ SY463 @ ( sK2_B @ SV85 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[959]) ).

thf(1095,plain,
    ! [SV85: $i] :
      ( ( ~ ( ~ ! [SY464: $i] :
                  ( ~ ( ~ ! [SY465: $i] :
                            ( ~ ( subset @ SY465 @ SY464 )
                            | ( in @ SY465 @ ( sK3_SY299 @ SY464 @ SV85 ) ) )
                      | ~ ( in @ ( sK3_SY299 @ SY464 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
                  | ~ ( in @ SY464 @ ( sK2_B @ SV85 ) ) )
            | ~ ~ ( ~ ! [SY466: $i,SY467: $i] :
                        ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
                        | ~ ( subset @ SY467 @ SY466 )
                        | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
                  | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[960]) ).

thf(1096,plain,
    ! [SV182: $i] :
      ( ( ! [SY570: $i] :
            ( ~ ( in @ SV182 @ SY570 )
            | ( subset @ ( singleton @ SV182 ) @ SY570 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[961]) ).

thf(1097,plain,
    ! [SV183: $i] :
      ( ( ! [SY571: $i] :
            ( ~ ( subset @ ( singleton @ SV183 ) @ SY571 )
            | ( in @ SV183 @ SY571 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[962]) ).

thf(1098,plain,
    ! [SV184: $i] :
      ( ( ! [SY572: $i] :
            ( ~ ( ~ ( ! [SY573: $i] :
                        ( ~ ( in @ ( sK17_C @ SY572 @ SV184 ) @ SY573 )
                        | ~ ( in @ SY573 @ SV184 ) )
                    | ~ ( in @ ( sK17_C @ SY572 @ SV184 ) @ SY572 ) )
                | ~ ( ~ ( ~ ( in @ ( sK17_C @ SY572 @ SV184 ) @ ( sK18_SY311 @ SY572 @ SV184 ) )
                        | ~ ( in @ ( sK18_SY311 @ SY572 @ SV184 ) @ SV184 ) )
                    | ( in @ ( sK17_C @ SY572 @ SV184 ) @ SY572 ) ) )
            | ( SY572
              = ( union @ SV184 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[963]) ).

thf(1099,plain,
    ! [SV185: $i] :
      ( ( ! [SY574: $i] :
            ( ( SY574
             != ( union @ SV185 ) )
            | ~ ( ~ ! [SY575: $i] :
                      ( ! [SY576: $i] :
                          ( ~ ( in @ SY575 @ SY576 )
                          | ~ ( in @ SY576 @ SV185 ) )
                      | ( in @ SY575 @ SY574 ) )
                | ~ ! [SY577: $i] :
                      ( ~ ( in @ SY577 @ SY574 )
                      | ~ ( ~ ( in @ SY577 @ ( sK16_D @ SY577 @ SY574 @ SV185 ) )
                          | ~ ( in @ ( sK16_D @ SY577 @ SY574 @ SV185 ) @ SV185 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[964]) ).

thf(1100,plain,
    ! [SV86: $i] :
      ( ( ( ~ ! [SY468: $i] :
                ( ~ ( ~ ( ! [SY469: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ SY469 ) @ SV86 )
                        | ~ ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ ( sK41_SY325 @ SY468 @ SV86 ) ) @ SV86 )
                        | ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) ) )
                | ( SY468
                  = ( relation_dom @ SV86 ) ) )
          | ~ ! [SY470: $i] :
                ( ( SY470
                 != ( relation_dom @ SV86 ) )
                | ~ ( ~ ! [SY471: $i] :
                          ( ! [SY472: $i] :
                              ~ ( in @ ( ordered_pair @ SY471 @ SY472 ) @ SV86 )
                          | ( in @ SY471 @ SY470 ) )
                    | ~ ! [SY473: $i] :
                          ( ~ ( in @ SY473 @ SY470 )
                          | ( in @ ( ordered_pair @ SY473 @ ( sK39_D @ SY473 @ SY470 @ SV86 ) ) @ SV86 ) ) ) ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[965]) ).

thf(1101,plain,
    ( ( empty @ sK34_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[966]) ).

thf(1102,plain,
    ! [SV186: $i] :
      ( ( ! [SY578: $i] :
            ( ( ( set_intersection2 @ SV186 @ SY578 )
             != empty_set )
            | ( disjoint @ SV186 @ SY578 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[968]) ).

thf(1103,plain,
    ! [SV187: $i] :
      ( ( ! [SY579: $i] :
            ( ~ ( disjoint @ SV187 @ SY579 )
            | ( ( set_intersection2 @ SV187 @ SY579 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[969]) ).

thf(1104,plain,
    ! [SV188: $i] :
      ( ( ! [SY580: $i] :
            ( ( SV188 = SY580 )
            | ~ ( subset @ SV188 @ SY580 )
            | ( proper_subset @ SV188 @ SY580 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[972]) ).

thf(1105,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)],[973]) ).

thf(1106,plain,
    ! [SV87: $i] :
      ( ( ! [SY474: $i] :
            ( ~ ( subset @ SY474 @ ( sK32_B @ SV87 ) )
            | ( are_equipotent @ SY474 @ ( sK32_B @ SV87 ) )
            | ( in @ SY474 @ ( sK32_B @ SV87 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[976]) ).

thf(1107,plain,
    ! [SV87: $i] :
      ( ( ~ ( ~ ! [SY475: $i] :
                  ( ~ ( in @ SY475 @ ( sK32_B @ SV87 ) )
                  | ( in @ ( powerset @ SY475 ) @ ( sK32_B @ SV87 ) ) )
            | ~ ~ ( ~ ! [SY476: $i,SY477: $i] :
                        ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
                        | ~ ( subset @ SY477 @ SY476 )
                        | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
                  | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[977]) ).

thf(1108,plain,
    ! [SV189: $i] :
      ( ( ~ ( empty @ SV189 )
        | ( empty @ ( relation_dom @ SV189 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[978]) ).

thf(1109,plain,
    ! [SV190: $i] :
      ( ( ~ ( empty @ SV190 )
        | ( relation @ ( relation_dom @ SV190 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[979]) ).

thf(1110,plain,
    ! [SV88: $i] :
      ( ( ( ~ ( element @ ( sK8_B @ SV88 ) @ ( powerset @ SV88 ) ) )
        = $false )
      | ( ( empty @ SV88 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[980]) ).

thf(1111,plain,
    ! [SV88: $i] :
      ( ( ( ~ ~ ( empty @ ( sK8_B @ SV88 ) ) )
        = $false )
      | ( ( empty @ SV88 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[980]) ).

thf(1112,plain,
    ! [SV191: $i] :
      ( ( ! [SY581: $i] :
            ( ~ ( subset @ SV191 @ ( singleton @ SY581 ) )
            | ( SV191 = empty_set )
            | ( SV191
              = ( singleton @ SY581 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[981]) ).

thf(1113,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)],[982]) ).

thf(1114,plain,
    ! [SV192: $i] :
      ( ( ! [SY582: $i] :
            ( ( ( set_difference @ SV192 @ SY582 )
             != SV192 )
            | ( disjoint @ SV192 @ SY582 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[983]) ).

thf(1115,plain,
    ! [SV193: $i] :
      ( ( ! [SY583: $i] :
            ( ~ ( disjoint @ SV193 @ SY583 )
            | ( ( set_difference @ SV193 @ SY583 )
              = SV193 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[984]) ).

thf(1116,plain,
    ! [SV89: $i] :
      ( ( ! [SY478: $i,SY479: $i] :
            ( ~ ( in @ SV89 @ SY479 )
            | ~ ( in @ SY478 @ SY479 )
            | ( subset @ ( unordered_pair @ SV89 @ SY478 ) @ SY479 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[985]) ).

thf(1117,plain,
    ! [SV89: $i] :
      ( ( ~ ( ~ ! [SY480: $i,SY481: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV89 @ SY480 ) @ SY481 )
                  | ( in @ SV89 @ SY481 ) )
            | ~ ! [SY482: $i,SY483: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV89 @ SY482 ) @ SY483 )
                  | ( in @ SY482 @ SY483 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[986]) ).

thf(1118,plain,
    ! [SV90: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( relation @ SY484 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                        | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                        | ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) ) )
                | ( SY484
                  = ( relation_inverse @ SV90 ) ) )
          | ~ ! [SY485: $i] :
                ( ~ ( relation @ SY485 )
                | ( SY485
                 != ( relation_inverse @ SV90 ) )
                | ~ ( ~ ! [SY486: $i,SY487: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY486 @ SY487 ) @ SY485 )
                          | ( in @ ( ordered_pair @ SY487 @ SY486 ) @ SV90 ) )
                    | ~ ! [SY488: $i,SY489: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY489 @ SY488 ) @ SV90 )
                          | ( in @ ( ordered_pair @ SY488 @ SY489 ) @ SY485 ) ) ) ) )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[987]) ).

thf(1119,plain,
    ! [SV194: $i] :
      ( ( ! [SY584: $i] :
            ( ~ ( ~ ( ( ( sK29_C @ SY584 @ SV194 )
                     != SV194 )
                    | ~ ( in @ ( sK29_C @ SY584 @ SV194 ) @ SY584 ) )
                | ~ ( ( ( sK29_C @ SY584 @ SV194 )
                      = SV194 )
                    | ( in @ ( sK29_C @ SY584 @ SV194 ) @ SY584 ) ) )
            | ( SY584
              = ( singleton @ SV194 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[988]) ).

thf(1120,plain,
    ! [SV195: $i] :
      ( ( ! [SY585: $i] :
            ( ( SY585
             != ( singleton @ SV195 ) )
            | ~ ( ~ ! [SY586: $i] :
                      ( ( SY586 != SV195 )
                      | ( in @ SY586 @ SY585 ) )
                | ~ ! [SY587: $i] :
                      ( ~ ( in @ SY587 @ SY585 )
                      | ( SY587 = SV195 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[989]) ).

thf(1121,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ( ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV91 )
          | ~ ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV144 ) )
        = $false )
      | ( ( element @ SV91 @ ( powerset @ SV144 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[990]) ).

thf(1122,plain,
    ! [SV92: $i] :
      ( ( ! [SY491: $i,SY492: $i] :
            ( ~ ( relation @ SY492 )
            | ~ ( in @ ( ordered_pair @ SV92 @ SY491 ) @ SY492 )
            | ( in @ SV92 @ ( relation_field @ SY492 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[991]) ).

thf(1123,plain,
    ! [SV92: $i] :
      ( ( ! [SY493: $i,SY494: $i] :
            ( ~ ( relation @ SY494 )
            | ~ ( in @ ( ordered_pair @ SV92 @ SY493 ) @ SY494 )
            | ( in @ SY493 @ ( relation_field @ SY494 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[992]) ).

thf(1124,plain,
    ! [SV196: $i] :
      ( ( ! [SY588: $i] :
            ( ~ ( subset @ SV196 @ SY588 )
            | ~ ( subset @ SY588 @ SV196 )
            | ( SV196 = SY588 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[993]) ).

thf(1125,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)],[994]) ).

thf(1126,plain,
    ! [SV197: $i] :
      ( ( ! [SY589: $i] :
            ( ( disjoint @ SV197 @ SY589 )
            | ~ ( ~ ( in @ ( sK31_C @ SY589 @ SV197 ) @ SV197 )
                | ~ ( in @ ( sK31_C @ SY589 @ SV197 ) @ SY589 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[995]) ).

thf(1127,plain,
    ! [SV198: $i] :
      ( ( ! [SY590: $i] :
            ( ! [SY591: $i] :
                ( ~ ( in @ SY591 @ SV198 )
                | ~ ( in @ SY591 @ SY590 ) )
            | ~ ( disjoint @ SV198 @ SY590 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[996]) ).

thf(1128,plain,
    ! [SV93: $i] :
      ( ( ! [SY495: $i,SY496: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                    | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                    | ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SV93 )
                          | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) )
                      | ~ ( ~ ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY495 )
                          | ( in @ ( sK15_D @ SY496 @ SY495 @ SV93 ) @ SY496 ) ) ) )
            | ( SY496
              = ( set_difference @ SV93 @ SY495 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[997]) ).

thf(1129,plain,
    ! [SV93: $i] :
      ( ( ! [SY497: $i,SY498: $i] :
            ( ( SY498
             != ( set_difference @ SV93 @ SY497 ) )
            | ~ ( ~ ! [SY499: $i] :
                      ( ~ ( in @ SY499 @ SV93 )
                      | ( in @ SY499 @ SY497 )
                      | ( in @ SY499 @ SY498 ) )
                | ~ ~ ( ~ ! [SY500: $i] :
                            ( ~ ( in @ SY500 @ SY498 )
                            | ( in @ SY500 @ SV93 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY498 )
                            | ~ ( in @ SX3 @ SY497 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[998]) ).

thf(1130,plain,
    ! [SV199: $i] :
      ( ( ! [SY592: $i] :
            ( ~ ( element @ SV199 @ ( powerset @ SY592 ) )
            | ( subset @ SV199 @ SY592 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[999]) ).

thf(1131,plain,
    ! [SV200: $i] :
      ( ( ! [SY593: $i] :
            ( ~ ( subset @ SV200 @ SY593 )
            | ( element @ SV200 @ ( powerset @ SY593 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1000]) ).

thf(1132,plain,
    ! [SV201: $i] :
      ( ( ! [SY594: $i] :
            ( ( ( set_difference @ SV201 @ SY594 )
             != empty_set )
            | ( subset @ SV201 @ SY594 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1001]) ).

thf(1133,plain,
    ! [SV202: $i] :
      ( ( ! [SY595: $i] :
            ( ~ ( subset @ SV202 @ SY595 )
            | ( ( set_difference @ SV202 @ SY595 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1002]) ).

thf(1134,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
              | ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) )
          | ~ ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
              | ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) ) )
        = $false )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1003]) ).

thf(1135,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ ( sK45_SY326 @ SX1 @ SX0 ) ) )
                        | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SX0 )
                            | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX2 ) )
                        | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( ~ ( in @ ( sK43_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                              | ~ ~ ( in @ SX2 @ ( sK43_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)],[1004]) ).

thf(1136,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)],[1005]) ).

thf(1137,plain,
    ! [SV95: $i] :
      ( ( ! [SY503: $i,SY504: $i] :
            ( ~ ( relation @ SY504 )
            | ~ ( in @ ( ordered_pair @ SV95 @ SY503 ) @ SY504 )
            | ( in @ SV95 @ ( relation_dom @ SY504 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1006]) ).

thf(1138,plain,
    ! [SV95: $i] :
      ( ( ! [SY505: $i,SY506: $i] :
            ( ~ ( relation @ SY506 )
            | ~ ( in @ ( ordered_pair @ SV95 @ SY505 ) @ SY506 )
            | ( in @ SY505 @ ( relation_rng @ SY506 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1007]) ).

thf(1139,plain,
    ! [SV203: $i] :
      ( ( ( in @ ( sK42_B @ SV203 ) @ SV203 )
        | ( SV203 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1008]) ).

thf(1140,plain,
    ! [SV204: $i] :
      ( ( ( SV204 != empty_set )
        | ! [SY596: $i] :
            ~ ( in @ SY596 @ SV204 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1009]) ).

thf(1141,plain,
    ! [SV96: $i] :
      ( ( ! [SY507: $i] :
            ( ~ ( subset @ SV96 @ SY507 )
            | ! [SY508: $i] : ( subset @ ( cartesian_product2 @ SV96 @ SY508 ) @ ( cartesian_product2 @ SY507 @ SY508 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1010]) ).

thf(1142,plain,
    ! [SV96: $i] :
      ( ( ! [SY509: $i] :
            ( ~ ( subset @ SV96 @ SY509 )
            | ! [SY510: $i] : ( subset @ ( cartesian_product2 @ SY510 @ SV96 ) @ ( cartesian_product2 @ SY510 @ SY509 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1011]) ).

thf(1143,plain,
    ! [SV5: $i,SV156: $i] :
      ( ( ( ~ ( relation @ SV156 ) )
        = $true )
      | ( ( subset @ ( relation_dom @ ( relation_composition @ SV5 @ SV156 ) ) @ ( relation_dom @ SV5 ) )
        = $true )
      | ( ( relation @ SV5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1012]) ).

thf(1144,plain,
    ! [SV6: $i,SV157: $i] :
      ( ( ( ~ ( relation @ SV157 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ ( relation_composition @ SV6 @ SV157 ) ) @ ( relation_rng @ SV157 ) )
        = $true )
      | ( ( relation @ SV6 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1013]) ).

thf(1145,plain,
    ! [SV7: $i,SV158: $i] :
      ( ( ( ~ ( relation @ SV158 ) )
        = $true )
      | ( ( ~ ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SV158 ) )
          | ( ( relation_dom @ ( relation_composition @ SV7 @ SV158 ) )
            = ( relation_dom @ SV7 ) ) )
        = $true )
      | ( ( relation @ SV7 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1014]) ).

thf(1146,plain,
    ! [SV8: $i,SV159: $i] :
      ( ( ( ~ ( relation @ SV159 ) )
        = $true )
      | ( ( ~ ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SV159 ) )
          | ( ( relation_rng @ ( relation_composition @ SV159 @ SV8 ) )
            = ( relation_rng @ SV8 ) ) )
        = $true )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1015]) ).

thf(1147,plain,
    ! [SV97: $i,SV13: $i] :
      ( ( ( relation @ SV13 )
        = $false )
      | ( ( ~ ( relation @ SV97 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV13 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1017]) ).

thf(1148,plain,
    ! [SV98: $i,SV14: $i] :
      ( ( ( relation @ SV14 )
        = $false )
      | ( ( ~ ( relation @ SV98 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV14 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1018]) ).

thf(1149,plain,
    ! [SV15: $i] :
      ( ( ( empty @ ( relation_dom @ SV15 ) )
        = $false )
      | ( ( empty @ SV15 )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1019]) ).

thf(1150,plain,
    ! [SV16: $i] :
      ( ( ( empty @ ( relation_rng @ SV16 ) )
        = $false )
      | ( ( empty @ SV16 )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1020]) ).

thf(1151,plain,
    ! [SV100: $i,SV24: $i] :
      ( ( ( in @ SV24 @ SV100 )
        = $false )
      | ( ( disjoint @ ( singleton @ SV24 ) @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1022]) ).

thf(1152,plain,
    ! [SV26: $i,SV102: $i,SV205: $i] :
      ( ( ( ~ ( in @ SV205 @ SV102 )
          | ( in @ SV205 @ SV26 ) )
        = $true )
      | ( ( element @ SV102 @ ( powerset @ SV26 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1023]) ).

thf(1153,plain,
    ! [SV103: $i,SV27: $i,SV206: $i] :
      ( ( ( ( in @ SV206 @ SV27 )
          | ( subset @ SV27 @ ( set_difference @ SV103 @ ( singleton @ SV206 ) ) ) )
        = $true )
      | ( ( subset @ SV27 @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1024]) ).

thf(1154,plain,
    ! [SV160: $i,SV146: $i,SV105: $i,SV29: $i] :
      ( ( ( ~ ( subset @ SV29 @ SV105 )
          | ~ ( subset @ SV146 @ SV160 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV29 @ SV146 ) @ ( cartesian_product2 @ SV105 @ SV160 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1026]) ).

thf(1155,plain,
    ! [SV147: $i,SV108: $i,SV32: $i] :
      ( ( ( ~ ( subset @ SV32 @ SV108 ) )
        = $true )
      | ( ( ~ ( subset @ SV32 @ SV147 ) )
        = $true )
      | ( ( subset @ SV32 @ ( set_intersection2 @ SV108 @ SV147 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1028]) ).

thf(1156,plain,
    ! [SV148: $i,SV109: $i,SV33: $i] :
      ( ( ( ~ ( subset @ SV33 @ SV109 ) )
        = $true )
      | ( ( ~ ( subset @ SV109 @ SV148 ) )
        = $true )
      | ( ( subset @ SV33 @ SV148 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1029]) ).

thf(1157,plain,
    ! [SV110: $i,SV207: $i,SV34: $i] :
      ( ( ( subset @ ( set_intersection2 @ SV34 @ SV207 ) @ ( set_intersection2 @ SV110 @ SV207 ) )
        = $true )
      | ( ( subset @ SV34 @ SV110 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1030]) ).

thf(1158,plain,
    ! [SV112: $i,SV208: $i,SV36: $i] :
      ( ( ( subset @ ( set_difference @ SV36 @ SV208 ) @ ( set_difference @ SV112 @ SV208 ) )
        = $true )
      | ( ( subset @ SV36 @ SV112 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1032]) ).

thf(1159,plain,
    ! [SV119: $i,SV43: $i] :
      ( ( ( subset @ SV43 @ SV119 )
        = $false )
      | ( ( proper_subset @ SV119 @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1035]) ).

thf(1160,plain,
    ! [SV44: $i,SV149: $i,SV120: $i] :
      ( ( ( ~ ( disjoint @ SV120 @ SV149 ) )
        = $true )
      | ( ( ~ ( subset @ SV44 @ SV120 ) )
        = $true )
      | ( ( disjoint @ SV44 @ SV149 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1036]) ).

thf(1161,plain,
    ! [SV150: $i,SV123: $i,SV48: $i] :
      ( ( ( ~ ( subset @ SV48 @ SV123 ) )
        = $true )
      | ( ( ~ ( subset @ SV150 @ SV123 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV48 @ SV150 ) @ SV123 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1038]) ).

thf(1162,plain,
    ! [SV161: $i,SV124: $i,SV49: $i] :
      ( ( ( ( singleton @ SV49 )
          = ( unordered_pair @ SV124 @ SV161 ) )
        = $false )
      | ( ( SV49 = SV124 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1039]) ).

thf(1163,plain,
    ! [SV151: $i,SV126: $i,SV52: $i] :
      ( ( ( ( singleton @ SV52 )
          = ( unordered_pair @ SV126 @ SV151 ) )
        = $false )
      | ( ( SV126 = SV151 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1041]) ).

thf(1164,plain,
    ! [SV53: $i,SV127: $i] :
      ( ( ( in @ SV127 @ SV53 )
        = $false )
      | ( ( in @ SV53 @ SV127 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1042]) ).

thf(1165,plain,
    ! [SV133: $i,SV63: $i] :
      ( ( ( empty @ ( cartesian_product2 @ SV63 @ SV133 ) )
        = $false )
      | ( ( empty @ SV133 )
        = $true )
      | ( ( empty @ SV63 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1045]) ).

thf(1166,plain,
    ! [SV69: $i,SV136: $i] :
      ( ( ( empty @ SV136 )
        = $true )
      | ( ( in @ SV69 @ SV136 )
        = $true )
      | ( ( element @ SV69 @ SV136 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1048]) ).

thf(1167,plain,
    ! [SV70: $i,SV154: $i,SV137: $i] :
      ( ( ( ~ ( element @ SV137 @ ( powerset @ SV154 ) ) )
        = $true )
      | ( ( ~ ( in @ SV70 @ SV137 ) )
        = $true )
      | ( ( element @ SV70 @ SV154 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1049]) ).

thf(1168,plain,
    ! [SV71: $i,SV155: $i,SV138: $i] :
      ( ( ( ~ ( element @ SV138 @ ( powerset @ SV155 ) ) )
        = $true )
      | ( ( ~ ( in @ SV71 @ SV138 ) )
        = $true )
      | ( ( ~ ( empty @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1050]) ).

thf(1169,plain,
    ! [SV139: $i,SV72: $i] :
      ( ( ( in @ SV72 @ SV139 )
        = $false )
      | ( ( empty @ SV139 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1051]) ).

thf(1170,plain,
    ! [SV140: $i,SV73: $i] :
      ( ( ( empty @ SV73 )
        = $false )
      | ( ( SV73 = SV140 )
        = $true )
      | ( ( ~ ( empty @ SV140 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1052]) ).

thf(1171,plain,
    ! [SV209: $i,SV162: $i] :
      ( ( ( disjoint @ SV162 @ SV209 )
        | ( in @ ( sK30_C @ SV209 @ SV162 ) @ ( set_intersection2 @ SV162 @ SV209 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1053]) ).

thf(1172,plain,
    ! [SV210: $i,SV163: $i] :
      ( ( ! [SY597: $i] :
            ~ ( in @ SY597 @ ( set_intersection2 @ SV163 @ SV210 ) )
        | ~ ( disjoint @ SV163 @ SV210 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1054]) ).

thf(1173,plain,
    ! [SV74: $i,SV211: $i] :
      ( ( ! [SY598: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SY598 @ SV211 @ SV74 ) @ SV74 )
                    | ~ ( in @ ( sK19_D @ SY598 @ SV211 @ SV74 ) @ SV211 )
                    | ~ ( in @ ( sK19_D @ SY598 @ SV211 @ SV74 ) @ SY598 ) )
                | ~ ~ ( ~ ( ( in @ ( sK19_D @ SY598 @ SV211 @ SV74 ) @ SV74 )
                          | ( in @ ( sK19_D @ SY598 @ SV211 @ SV74 ) @ SY598 ) )
                      | ~ ( ( in @ ( sK19_D @ SY598 @ SV211 @ SV74 ) @ SV211 )
                          | ( in @ ( sK19_D @ SY598 @ SV211 @ SV74 ) @ SY598 ) ) ) )
            | ( SY598
              = ( set_intersection2 @ SV74 @ SV211 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1055]) ).

thf(1174,plain,
    ! [SV212: $i,SV74: $i] :
      ( ( ! [SY599: $i] :
            ( ( SY599
             != ( set_intersection2 @ SV74 @ SV212 ) )
            | ~ ( ~ ! [SY600: $i] :
                      ( ~ ( in @ SY600 @ SV74 )
                      | ~ ( in @ SY600 @ SV212 )
                      | ( in @ SY600 @ SY599 ) )
                | ~ ~ ( ~ ! [SY401: $i] :
                            ( ~ ( in @ SY401 @ SY599 )
                            | ( in @ SY401 @ SV74 ) )
                      | ~ ! [SY602: $i] :
                            ( ~ ( in @ SY602 @ SY599 )
                            | ( in @ SY602 @ SV212 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1056]) ).

thf(1175,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ! [SY525: $i,SY526: $i] :
            ( ~ ( in @ SV75 @ SY525 )
            | ~ ( in @ SV141 @ SY526 )
            | ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY525 @ SY526 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1057]) ).

thf(1176,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ( ~ ! [SY527: $i] :
                  ( ! [SY528: $i] :
                      ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY527 @ SY528 ) )
                  | ( in @ SV75 @ SY527 ) )
            | ~ ! [SY529: $i,SY530: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY529 @ SY530 ) )
                  | ( in @ SV141 @ SY530 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1058]) ).

thf(1177,plain,
    ! [SV213: $i,SV164: $i] :
      ( ( ( ( set_difference @ SV164 @ SV213 )
         != empty_set )
        | ( subset @ SV164 @ SV213 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1059]) ).

thf(1178,plain,
    ! [SV214: $i,SV165: $i] :
      ( ( ~ ( subset @ SV165 @ SV214 )
        | ( ( set_difference @ SV165 @ SV214 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1060]) ).

thf(1179,plain,
    ! [SV76: $i] :
      ( ( ( ~ ! [SY410: $i] :
                ( ~ ( relation @ SY410 )
                | ~ ( subset @ SV76 @ SY410 )
                | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SY410 ) ) ) )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1061]) ).

thf(1180,plain,
    ! [SV76: $i] :
      ( ( ( ~ ! [SY411: $i] :
                ( ~ ( relation @ SY411 )
                | ~ ( subset @ SV76 @ SY411 )
                | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SY411 ) ) ) )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1061]) ).

thf(1181,plain,
    ! [SV77: $i,SV166: $i] :
      ( ( ( ~ ( relation @ SV166 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY547: $i] :
                    ( ~ ( relation @ SY547 )
                    | ~ ( ~ ( ! [SY548: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ SY548 ) @ SV77 )
                                | ~ ( in @ ( ordered_pair @ SY548 @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) ) @ SV77 )
                                | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                            | ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) ) )
                    | ( SY547
                      = ( relation_composition @ SV77 @ SV166 ) ) )
              | ~ ! [SY549: $i] :
                    ( ~ ( relation @ SY549 )
                    | ( SY549
                     != ( relation_composition @ SV77 @ SV166 ) )
                    | ~ ( ~ ! [SY550: $i,SY551: $i] :
                              ( ! [SY552: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY550 @ SY552 ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ SY552 @ SY551 ) @ SV166 ) )
                              | ( in @ ( ordered_pair @ SY550 @ SY551 ) @ SY549 ) )
                        | ~ ! [SY553: $i,SY554: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY553 @ SY554 ) @ SY549 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY553 @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) @ SY554 ) @ SV166 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1062]) ).

thf(1182,plain,
    ! [SV78: $i] :
      ( ( ( ~ ! [SY421: $i] :
                ( ~ ( ~ ( ! [SY422: $i] :
                            ~ ( in @ ( ordered_pair @ SY422 @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                        | ~ ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SY421 @ SV78 ) @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                        | ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) ) )
                | ( SY421
                  = ( relation_rng @ SV78 ) ) ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1063]) ).

thf(1183,plain,
    ! [SV78: $i] :
      ( ( ( ~ ! [SY423: $i] :
                ( ( SY423
                 != ( relation_rng @ SV78 ) )
                | ~ ( ~ ! [SY424: $i] :
                          ( ! [SY425: $i] :
                              ~ ( in @ ( ordered_pair @ SY425 @ SY424 ) @ SV78 )
                          | ( in @ SY424 @ SY423 ) )
                    | ~ ! [SY426: $i] :
                          ( ~ ( in @ SY426 @ SY423 )
                          | ( in @ ( ordered_pair @ ( sK36_D @ SY426 @ SY423 @ SV78 ) @ SY426 ) @ SV78 ) ) ) ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1063]) ).

thf(1184,plain,
    ! [SV79: $i,SV215: $i] :
      ( ( ! [SY603: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SY603 @ SV215 @ SV79 ) @ SY603 )
                          | ( ( sK27_D @ SY603 @ SV215 @ SV79 )
                           != SV79 ) )
                      | ~ ( ~ ( in @ ( sK27_D @ SY603 @ SV215 @ SV79 ) @ SY603 )
                          | ( ( sK27_D @ SY603 @ SV215 @ SV79 )
                           != SV215 ) ) )
                | ~ ( ( in @ ( sK27_D @ SY603 @ SV215 @ SV79 ) @ SY603 )
                    | ( ( sK27_D @ SY603 @ SV215 @ SV79 )
                      = SV79 )
                    | ( ( sK27_D @ SY603 @ SV215 @ SV79 )
                      = SV215 ) ) )
            | ( SY603
              = ( unordered_pair @ SV79 @ SV215 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1064]) ).

thf(1185,plain,
    ! [SV216: $i,SV79: $i] :
      ( ( ! [SY604: $i] :
            ( ( SY604
             != ( unordered_pair @ SV79 @ SV216 ) )
            | ~ ( ~ ! [SY605: $i] :
                      ( ~ ( in @ SY605 @ SY604 )
                      | ( SY605 = SV79 )
                      | ( SY605 = SV216 ) )
                | ~ ~ ( ~ ! [SY432: $i] :
                            ( ( SY432 != SV79 )
                            | ( in @ SY432 @ SY604 ) )
                      | ~ ! [SY607: $i] :
                            ( ( SY607 != SV216 )
                            | ( in @ SY607 @ SY604 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1065]) ).

thf(1186,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
                | ~ ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) )
            | ~ ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
                | ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) ) )
        | ( SV217
          = ( powerset @ SV167 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1066]) ).

thf(1187,plain,
    ! [SV168: $i,SV218: $i] :
      ( ( ( SV218
         != ( powerset @ SV168 ) )
        | ~ ( ~ ! [SY608: $i] :
                  ( ~ ( in @ SY608 @ SV218 )
                  | ( subset @ SY608 @ SV168 ) )
            | ~ ! [SY609: $i] :
                  ( ~ ( subset @ SY609 @ SV168 )
                  | ( in @ SY609 @ SV218 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1067]) ).

thf(1188,plain,
    ! [SV169: $i] :
      ( ( ( ~ ( ~ ! [SY559: $i,SY560: $i] :
                    ( ( sK48_B @ SV169 )
                   != ( ordered_pair @ SY559 @ SY560 ) )
              | ~ ( in @ ( sK48_B @ SV169 ) @ SV169 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1068]) ).

thf(1189,plain,
    ! [SV170: $i] :
      ( ( ( ~ ( relation @ SV170 ) )
        = $true )
      | ( ( ! [SY561: $i] :
              ( ( SY561
                = ( ordered_pair @ ( sK46_C @ SY561 @ SV170 ) @ ( sK47_SY328 @ SY561 @ SV170 ) ) )
              | ~ ( in @ SY561 @ SV170 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1069]) ).

thf(1190,plain,
    ! [SV219: $i,SV171: $i] :
      ( ( ( ( set_difference @ SV171 @ ( singleton @ SV219 ) )
         != SV171 )
        | ~ ( in @ SV219 @ SV171 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1070]) ).

thf(1191,plain,
    ! [SV172: $i,SV220: $i] :
      ( ( ( in @ SV220 @ SV172 )
        | ( ( set_difference @ SV172 @ ( singleton @ SV220 ) )
          = SV172 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1071]) ).

thf(1192,plain,
    ! [SV221: $i,SV173: $i] :
      ( ( ~ ( subset @ SV173 @ ( singleton @ SV221 ) )
        | ( SV173 = empty_set )
        | ( SV173
          = ( singleton @ SV221 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1072]) ).

thf(1193,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1073]) ).

thf(1194,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1073]) ).

thf(1195,plain,
    ! [SV222: $i,SV174: $i] :
      ( ( ~ ( in @ SV174 @ SV222 )
        | ( subset @ ( singleton @ SV174 ) @ SV222 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1076]) ).

thf(1196,plain,
    ! [SV223: $i,SV175: $i] :
      ( ( ~ ( subset @ ( singleton @ SV175 ) @ SV223 )
        | ( in @ SV175 @ SV223 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1077]) ).

thf(1197,plain,
    ! [SV224: $i,SV81: $i] :
      ( ( ! [SY610: $i] :
            ( ~ ( ~ ( ! [SY611: $i,SY612: $i] :
                        ( ~ ( in @ SY611 @ SV81 )
                        | ~ ( in @ SY612 @ SV224 )
                        | ( ( sK23_D @ SY610 @ SV224 @ SV81 )
                         != ( ordered_pair @ SY611 @ SY612 ) ) )
                    | ~ ( in @ ( sK23_D @ SY610 @ SV224 @ SV81 ) @ SY610 ) )
                | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SY610 @ SV224 @ SV81 ) @ SV81 )
                              | ~ ( in @ ( sK25_SY317 @ SY610 @ SV224 @ SV81 ) @ SV224 ) )
                        | ( ( sK23_D @ SY610 @ SV224 @ SV81 )
                         != ( ordered_pair @ ( sK24_SY315 @ SY610 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SY610 @ SV224 @ SV81 ) ) ) )
                    | ( in @ ( sK23_D @ SY610 @ SV224 @ SV81 ) @ SY610 ) ) )
            | ( SY610
              = ( cartesian_product2 @ SV81 @ SV224 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1078]) ).

thf(1198,plain,
    ! [SV225: $i,SV81: $i] :
      ( ( ! [SY613: $i] :
            ( ( SY613
             != ( cartesian_product2 @ SV81 @ SV225 ) )
            | ~ ( ~ ! [SY614: $i] :
                      ( ! [SY615: $i,SY616: $i] :
                          ( ~ ( in @ SY615 @ SV81 )
                          | ~ ( in @ SY616 @ SV225 )
                          | ( SY614
                           != ( ordered_pair @ SY615 @ SY616 ) ) )
                      | ( in @ SY614 @ SY613 ) )
                | ~ ! [SY617: $i] :
                      ( ~ ( in @ SY617 @ SY613 )
                      | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY617 @ SY613 @ SV225 @ SV81 ) @ SV81 )
                                | ~ ( in @ ( sK22_SY312 @ SY617 @ SY613 @ SV225 @ SV81 ) @ SV225 ) )
                          | ( SY617
                           != ( ordered_pair @ ( sK21_E @ SY617 @ SY613 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SY617 @ SY613 @ SV225 @ SV81 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1079]) ).

thf(1199,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ! [SY531: $i,SY532: $i] :
            ( ~ ( in @ SV82 @ SY531 )
            | ~ ( in @ SV142 @ SY532 )
            | ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY531 @ SY532 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1080]) ).

thf(1200,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ( ~ ! [SY533: $i] :
                  ( ! [SY534: $i] :
                      ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY533 @ SY534 ) )
                  | ( in @ SV82 @ SY533 ) )
            | ~ ! [SY535: $i,SY536: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY535 @ SY536 ) )
                  | ( in @ SV142 @ SY536 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1081]) ).

thf(1201,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1082]) ).

thf(1202,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( in @ SX1 @ SX0 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1082]) ).

thf(1203,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ SX0 )
                | ( empty @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1083]) ).

thf(1204,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( empty @ SX1 )
                | ( element @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1083]) ).

thf(1205,plain,
    ! [SV176: $i] :
      ( ( ( ~ ( relation @ SV176 ) )
        = $true )
      | ( ( ( relation_rng @ SV176 )
          = ( relation_dom @ ( relation_inverse @ SV176 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1084]) ).

thf(1206,plain,
    ! [SV177: $i] :
      ( ( ( ~ ( relation @ SV177 ) )
        = $true )
      | ( ( ( relation_dom @ SV177 )
          = ( relation_rng @ ( relation_inverse @ SV177 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1085]) ).

thf(1207,plain,
    ! [SV83: $i,SV226: $i] :
      ( ( ! [SY618: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SY618 @ SV226 @ SV83 ) @ SY618 )
                          | ~ ( in @ ( sK26_D @ SY618 @ SV226 @ SV83 ) @ SV83 ) )
                      | ~ ( ~ ( in @ ( sK26_D @ SY618 @ SV226 @ SV83 ) @ SY618 )
                          | ~ ( in @ ( sK26_D @ SY618 @ SV226 @ SV83 ) @ SV226 ) ) )
                | ~ ( ( in @ ( sK26_D @ SY618 @ SV226 @ SV83 ) @ SY618 )
                    | ( in @ ( sK26_D @ SY618 @ SV226 @ SV83 ) @ SV83 )
                    | ( in @ ( sK26_D @ SY618 @ SV226 @ SV83 ) @ SV226 ) ) )
            | ( SY618
              = ( set_union2 @ SV83 @ SV226 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1086]) ).

thf(1208,plain,
    ! [SV227: $i,SV83: $i] :
      ( ( ! [SY619: $i] :
            ( ( SY619
             != ( set_union2 @ SV83 @ SV227 ) )
            | ~ ( ~ ! [SY620: $i] :
                      ( ~ ( in @ SY620 @ SY619 )
                      | ( in @ SY620 @ SV83 )
                      | ( in @ SY620 @ SV227 ) )
                | ~ ~ ( ~ ! [SY456: $i] :
                            ( ~ ( in @ SY456 @ SV83 )
                            | ( in @ SY456 @ SY619 ) )
                      | ~ ! [SY622: $i] :
                            ( ~ ( in @ SY622 @ SV227 )
                            | ( in @ SY622 @ SY619 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1087]) ).

thf(1209,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ~ ( ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV178 )
            | ~ ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV228 ) )
        | ( subset @ SV178 @ SV228 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1088]) ).

thf(1210,plain,
    ! [SV229: $i,SV179: $i] :
      ( ( ~ ( subset @ SV179 @ SV229 )
        | ! [SY623: $i] :
            ( ~ ( in @ SY623 @ SV179 )
            | ( in @ SY623 @ SV229 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1089]) ).

thf(1211,plain,
    ! [SV143: $i,SV84: $i] :
      ( ( ! [SY537: $i] :
            ( ! [SY538: $i] :
                ( ( ordered_pair @ SV84 @ SV143 )
               != ( ordered_pair @ SY537 @ SY538 ) )
            | ( SV84 = SY537 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1090]) ).

thf(1212,plain,
    ! [SV143: $i,SV84: $i] :
      ( ( ! [SY539: $i,SY540: $i] :
            ( ( ( ordered_pair @ SV84 @ SV143 )
             != ( ordered_pair @ SY539 @ SY540 ) )
            | ( SV143 = SY540 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1091]) ).

thf(1213,plain,
    ! [SV180: $i] :
      ( ( ( ~ ( empty @ SV180 ) )
        = $true )
      | ( ( empty @ ( relation_rng @ SV180 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1092]) ).

thf(1214,plain,
    ! [SV181: $i] :
      ( ( ( ~ ( empty @ SV181 ) )
        = $true )
      | ( ( relation @ ( relation_rng @ SV181 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1093]) ).

thf(1215,plain,
    ! [SV85: $i,SV230: $i] :
      ( ( ~ ( subset @ SV230 @ ( sK2_B @ SV85 ) )
        | ( are_equipotent @ SV230 @ ( sK2_B @ SV85 ) )
        | ( in @ SV230 @ ( sK2_B @ SV85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1094]) ).

thf(1216,plain,
    ! [SV85: $i] :
      ( ( ~ ! [SY464: $i] :
              ( ~ ( ~ ! [SY465: $i] :
                        ( ~ ( subset @ SY465 @ SY464 )
                        | ( in @ SY465 @ ( sK3_SY299 @ SY464 @ SV85 ) ) )
                  | ~ ( in @ ( sK3_SY299 @ SY464 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
              | ~ ( in @ SY464 @ ( sK2_B @ SV85 ) ) )
        | ~ ~ ( ~ ! [SY466: $i,SY467: $i] :
                    ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
                    | ~ ( subset @ SY467 @ SY466 )
                    | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
              | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1095]) ).

thf(1217,plain,
    ! [SV231: $i,SV182: $i] :
      ( ( ~ ( in @ SV182 @ SV231 )
        | ( subset @ ( singleton @ SV182 ) @ SV231 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1096]) ).

thf(1218,plain,
    ! [SV232: $i,SV183: $i] :
      ( ( ~ ( subset @ ( singleton @ SV183 ) @ SV232 )
        | ( in @ SV183 @ SV232 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1097]) ).

thf(1219,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ~ ( ~ ( ! [SY624: $i] :
                    ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SY624 )
                    | ~ ( in @ SY624 @ SV184 ) )
                | ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
            | ~ ( ~ ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
                    | ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) )
                | ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) ) )
        | ( SV233
          = ( union @ SV184 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1098]) ).

thf(1220,plain,
    ! [SV185: $i,SV234: $i] :
      ( ( ( SV234
         != ( union @ SV185 ) )
        | ~ ( ~ ! [SY625: $i] :
                  ( ! [SY576: $i] :
                      ( ~ ( in @ SY625 @ SY576 )
                      | ~ ( in @ SY576 @ SV185 ) )
                  | ( in @ SY625 @ SV234 ) )
            | ~ ! [SY627: $i] :
                  ( ~ ( in @ SY627 @ SV234 )
                  | ~ ( ~ ( in @ SY627 @ ( sK16_D @ SY627 @ SV234 @ SV185 ) )
                      | ~ ( in @ ( sK16_D @ SY627 @ SV234 @ SV185 ) @ SV185 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1099]) ).

thf(1221,plain,
    ! [SV86: $i] :
      ( ( ( ~ ! [SY468: $i] :
                ( ~ ( ~ ( ! [SY469: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ SY469 ) @ SV86 )
                        | ~ ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ ( sK41_SY325 @ SY468 @ SV86 ) ) @ SV86 )
                        | ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) ) )
                | ( SY468
                  = ( relation_dom @ SV86 ) ) ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1100]) ).

thf(1222,plain,
    ! [SV86: $i] :
      ( ( ( ~ ! [SY470: $i] :
                ( ( SY470
                 != ( relation_dom @ SV86 ) )
                | ~ ( ~ ! [SY471: $i] :
                          ( ! [SY472: $i] :
                              ~ ( in @ ( ordered_pair @ SY471 @ SY472 ) @ SV86 )
                          | ( in @ SY471 @ SY470 ) )
                    | ~ ! [SY473: $i] :
                          ( ~ ( in @ SY473 @ SY470 )
                          | ( in @ ( ordered_pair @ SY473 @ ( sK39_D @ SY473 @ SY470 @ SV86 ) ) @ SV86 ) ) ) ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1100]) ).

thf(1223,plain,
    ! [SV235: $i,SV186: $i] :
      ( ( ( ( set_intersection2 @ SV186 @ SV235 )
         != empty_set )
        | ( disjoint @ SV186 @ SV235 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1102]) ).

thf(1224,plain,
    ! [SV236: $i,SV187: $i] :
      ( ( ~ ( disjoint @ SV187 @ SV236 )
        | ( ( set_intersection2 @ SV187 @ SV236 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1103]) ).

thf(1225,plain,
    ! [SV237: $i,SV188: $i] :
      ( ( ( SV188 = SV237 )
        | ~ ( subset @ SV188 @ SV237 )
        | ( proper_subset @ SV188 @ SV237 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1104]) ).

thf(1226,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1105]) ).

thf(1227,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1105]) ).

thf(1228,plain,
    ! [SV87: $i,SV238: $i] :
      ( ( ~ ( subset @ SV238 @ ( sK32_B @ SV87 ) )
        | ( are_equipotent @ SV238 @ ( sK32_B @ SV87 ) )
        | ( in @ SV238 @ ( sK32_B @ SV87 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1106]) ).

thf(1229,plain,
    ! [SV87: $i] :
      ( ( ~ ! [SY475: $i] :
              ( ~ ( in @ SY475 @ ( sK32_B @ SV87 ) )
              | ( in @ ( powerset @ SY475 ) @ ( sK32_B @ SV87 ) ) )
        | ~ ~ ( ~ ! [SY476: $i,SY477: $i] :
                    ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
                    | ~ ( subset @ SY477 @ SY476 )
                    | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
              | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1107]) ).

thf(1230,plain,
    ! [SV189: $i] :
      ( ( ( ~ ( empty @ SV189 ) )
        = $true )
      | ( ( empty @ ( relation_dom @ SV189 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1108]) ).

thf(1231,plain,
    ! [SV190: $i] :
      ( ( ( ~ ( empty @ SV190 ) )
        = $true )
      | ( ( relation @ ( relation_dom @ SV190 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1109]) ).

thf(1232,plain,
    ! [SV88: $i] :
      ( ( ( element @ ( sK8_B @ SV88 ) @ ( powerset @ SV88 ) )
        = $true )
      | ( ( empty @ SV88 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1110]) ).

thf(1233,plain,
    ! [SV88: $i] :
      ( ( ( ~ ( empty @ ( sK8_B @ SV88 ) ) )
        = $true )
      | ( ( empty @ SV88 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1111]) ).

thf(1234,plain,
    ! [SV239: $i,SV191: $i] :
      ( ( ~ ( subset @ SV191 @ ( singleton @ SV239 ) )
        | ( SV191 = empty_set )
        | ( SV191
          = ( singleton @ SV239 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1112]) ).

thf(1235,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1113]) ).

thf(1236,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1113]) ).

thf(1237,plain,
    ! [SV240: $i,SV192: $i] :
      ( ( ( ( set_difference @ SV192 @ SV240 )
         != SV192 )
        | ( disjoint @ SV192 @ SV240 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1114]) ).

thf(1238,plain,
    ! [SV241: $i,SV193: $i] :
      ( ( ~ ( disjoint @ SV193 @ SV241 )
        | ( ( set_difference @ SV193 @ SV241 )
          = SV193 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1115]) ).

thf(1239,plain,
    ! [SV242: $i,SV89: $i] :
      ( ( ! [SY628: $i] :
            ( ~ ( in @ SV89 @ SY628 )
            | ~ ( in @ SV242 @ SY628 )
            | ( subset @ ( unordered_pair @ SV89 @ SV242 ) @ SY628 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1116]) ).

thf(1240,plain,
    ! [SV89: $i] :
      ( ( ~ ! [SY480: $i,SY481: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV89 @ SY480 ) @ SY481 )
              | ( in @ SV89 @ SY481 ) )
        | ~ ! [SY482: $i,SY483: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV89 @ SY482 ) @ SY483 )
              | ( in @ SY482 @ SY483 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1117]) ).

thf(1241,plain,
    ! [SV90: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( relation @ SY484 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                        | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                        | ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) ) )
                | ( SY484
                  = ( relation_inverse @ SV90 ) ) ) )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1118]) ).

thf(1242,plain,
    ! [SV90: $i] :
      ( ( ( ~ ! [SY485: $i] :
                ( ~ ( relation @ SY485 )
                | ( SY485
                 != ( relation_inverse @ SV90 ) )
                | ~ ( ~ ! [SY486: $i,SY487: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY486 @ SY487 ) @ SY485 )
                          | ( in @ ( ordered_pair @ SY487 @ SY486 ) @ SV90 ) )
                    | ~ ! [SY488: $i,SY489: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY489 @ SY488 ) @ SV90 )
                          | ( in @ ( ordered_pair @ SY488 @ SY489 ) @ SY485 ) ) ) ) )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1118]) ).

thf(1243,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ~ ( ~ ( ( ( sK29_C @ SV243 @ SV194 )
                 != SV194 )
                | ~ ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) )
            | ~ ( ( ( sK29_C @ SV243 @ SV194 )
                  = SV194 )
                | ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) ) )
        | ( SV243
          = ( singleton @ SV194 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1119]) ).

thf(1244,plain,
    ! [SV195: $i,SV244: $i] :
      ( ( ( SV244
         != ( singleton @ SV195 ) )
        | ~ ( ~ ! [SY629: $i] :
                  ( ( SY629 != SV195 )
                  | ( in @ SY629 @ SV244 ) )
            | ~ ! [SY630: $i] :
                  ( ~ ( in @ SY630 @ SV244 )
                  | ( SY630 = SV195 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1120]) ).

thf(1245,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ( ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV91 ) )
        = $false )
      | ( ( element @ SV91 @ ( powerset @ SV144 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1121]) ).

thf(1246,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ( ~ ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV144 ) )
        = $false )
      | ( ( element @ SV91 @ ( powerset @ SV144 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1121]) ).

thf(1247,plain,
    ! [SV245: $i,SV92: $i] :
      ( ( ! [SY631: $i] :
            ( ~ ( relation @ SY631 )
            | ~ ( in @ ( ordered_pair @ SV92 @ SV245 ) @ SY631 )
            | ( in @ SV92 @ ( relation_field @ SY631 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1122]) ).

thf(1248,plain,
    ! [SV246: $i,SV92: $i] :
      ( ( ! [SY632: $i] :
            ( ~ ( relation @ SY632 )
            | ~ ( in @ ( ordered_pair @ SV92 @ SV246 ) @ SY632 )
            | ( in @ SV246 @ ( relation_field @ SY632 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1123]) ).

thf(1249,plain,
    ! [SV247: $i,SV196: $i] :
      ( ( ~ ( subset @ SV196 @ SV247 )
        | ~ ( subset @ SV247 @ SV196 )
        | ( SV196 = SV247 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1124]) ).

thf(1250,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1125]) ).

thf(1251,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1125]) ).

thf(1252,plain,
    ! [SV248: $i,SV197: $i] :
      ( ( ( disjoint @ SV197 @ SV248 )
        | ~ ( ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV197 )
            | ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV248 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1126]) ).

thf(1253,plain,
    ! [SV249: $i,SV198: $i] :
      ( ( ! [SY633: $i] :
            ( ~ ( in @ SY633 @ SV198 )
            | ~ ( in @ SY633 @ SV249 ) )
        | ~ ( disjoint @ SV198 @ SV249 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1127]) ).

thf(1254,plain,
    ! [SV93: $i,SV250: $i] :
      ( ( ! [SY634: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY634 @ SV250 @ SV93 ) @ SV93 )
                    | ( in @ ( sK15_D @ SY634 @ SV250 @ SV93 ) @ SV250 )
                    | ~ ( in @ ( sK15_D @ SY634 @ SV250 @ SV93 ) @ SY634 ) )
                | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY634 @ SV250 @ SV93 ) @ SV93 )
                          | ( in @ ( sK15_D @ SY634 @ SV250 @ SV93 ) @ SY634 ) )
                      | ~ ( ~ ( in @ ( sK15_D @ SY634 @ SV250 @ SV93 ) @ SV250 )
                          | ( in @ ( sK15_D @ SY634 @ SV250 @ SV93 ) @ SY634 ) ) ) )
            | ( SY634
              = ( set_difference @ SV93 @ SV250 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1128]) ).

thf(1255,plain,
    ! [SV251: $i,SV93: $i] :
      ( ( ! [SY635: $i] :
            ( ( SY635
             != ( set_difference @ SV93 @ SV251 ) )
            | ~ ( ~ ! [SY636: $i] :
                      ( ~ ( in @ SY636 @ SV93 )
                      | ( in @ SY636 @ SV251 )
                      | ( in @ SY636 @ SY635 ) )
                | ~ ~ ( ~ ! [SY500: $i] :
                            ( ~ ( in @ SY500 @ SY635 )
                            | ( in @ SY500 @ SV93 ) )
                      | ~ ! [SY638: $i] :
                            ( ~ ( in @ SY638 @ SY635 )
                            | ~ ( in @ SY638 @ SV251 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1129]) ).

thf(1256,plain,
    ! [SV252: $i,SV199: $i] :
      ( ( ~ ( element @ SV199 @ ( powerset @ SV252 ) )
        | ( subset @ SV199 @ SV252 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1130]) ).

thf(1257,plain,
    ! [SV253: $i,SV200: $i] :
      ( ( ~ ( subset @ SV200 @ SV253 )
        | ( element @ SV200 @ ( powerset @ SV253 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1131]) ).

thf(1258,plain,
    ! [SV254: $i,SV201: $i] :
      ( ( ( ( set_difference @ SV201 @ SV254 )
         != empty_set )
        | ( subset @ SV201 @ SV254 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1132]) ).

thf(1259,plain,
    ! [SV255: $i,SV202: $i] :
      ( ( ~ ( subset @ SV202 @ SV255 )
        | ( ( set_difference @ SV202 @ SV255 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1133]) ).

thf(1260,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
              | ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) ) )
        = $false )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1134]) ).

thf(1261,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( ~ ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
              | ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) ) )
        = $false )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1134]) ).

thf(1262,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ ( sK45_SY326 @ SX1 @ SX0 ) ) )
                        | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SX0 )
                            | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX2 ) )
                        | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1135]) ).

thf(1263,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 = empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( ~ ( in @ ( sK43_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                              | ~ ~ ( in @ SX2 @ ( sK43_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)],[1135]) ).

thf(1264,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1
                 != ( set_meet @ SX0 ) )
                | ( SX1 = empty_set ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1136]) ).

thf(1265,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ( ( SX1 != empty_set )
                | ( SX1
                  = ( set_meet @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1136]) ).

thf(1266,plain,
    ! [SV256: $i,SV95: $i] :
      ( ( ! [SY639: $i] :
            ( ~ ( relation @ SY639 )
            | ~ ( in @ ( ordered_pair @ SV95 @ SV256 ) @ SY639 )
            | ( in @ SV95 @ ( relation_dom @ SY639 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1137]) ).

thf(1267,plain,
    ! [SV257: $i,SV95: $i] :
      ( ( ! [SY640: $i] :
            ( ~ ( relation @ SY640 )
            | ~ ( in @ ( ordered_pair @ SV95 @ SV257 ) @ SY640 )
            | ( in @ SV257 @ ( relation_rng @ SY640 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1138]) ).

thf(1268,plain,
    ! [SV203: $i] :
      ( ( ( in @ ( sK42_B @ SV203 ) @ SV203 )
        = $true )
      | ( ( SV203 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1139]) ).

thf(1269,plain,
    ! [SV204: $i] :
      ( ( ( ( SV204 != empty_set ) )
        = $true )
      | ( ( ! [SY596: $i] :
              ~ ( in @ SY596 @ SV204 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1140]) ).

thf(1270,plain,
    ! [SV258: $i,SV96: $i] :
      ( ( ~ ( subset @ SV96 @ SV258 )
        | ! [SY641: $i] : ( subset @ ( cartesian_product2 @ SV96 @ SY641 ) @ ( cartesian_product2 @ SV258 @ SY641 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1141]) ).

thf(1271,plain,
    ! [SV259: $i,SV96: $i] :
      ( ( ~ ( subset @ SV96 @ SV259 )
        | ! [SY642: $i] : ( subset @ ( cartesian_product2 @ SY642 @ SV96 ) @ ( cartesian_product2 @ SY642 @ SV259 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1142]) ).

thf(1272,plain,
    ! [SV5: $i,SV156: $i] :
      ( ( ( relation @ SV156 )
        = $false )
      | ( ( subset @ ( relation_dom @ ( relation_composition @ SV5 @ SV156 ) ) @ ( relation_dom @ SV5 ) )
        = $true )
      | ( ( relation @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1143]) ).

thf(1273,plain,
    ! [SV6: $i,SV157: $i] :
      ( ( ( relation @ SV157 )
        = $false )
      | ( ( subset @ ( relation_rng @ ( relation_composition @ SV6 @ SV157 ) ) @ ( relation_rng @ SV157 ) )
        = $true )
      | ( ( relation @ SV6 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1144]) ).

thf(1274,plain,
    ! [SV7: $i,SV158: $i] :
      ( ( ( relation @ SV158 )
        = $false )
      | ( ( ~ ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SV158 ) )
          | ( ( relation_dom @ ( relation_composition @ SV7 @ SV158 ) )
            = ( relation_dom @ SV7 ) ) )
        = $true )
      | ( ( relation @ SV7 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1145]) ).

thf(1275,plain,
    ! [SV8: $i,SV159: $i] :
      ( ( ( relation @ SV159 )
        = $false )
      | ( ( ~ ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SV159 ) )
          | ( ( relation_rng @ ( relation_composition @ SV159 @ SV8 ) )
            = ( relation_rng @ SV8 ) ) )
        = $true )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1146]) ).

thf(1276,plain,
    ! [SV13: $i,SV97: $i] :
      ( ( ( relation @ SV97 )
        = $false )
      | ( ( relation @ SV13 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV13 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1147]) ).

thf(1277,plain,
    ! [SV14: $i,SV98: $i] :
      ( ( ( relation @ SV98 )
        = $false )
      | ( ( relation @ SV14 )
        = $false )
      | ( ( relation @ ( set_union2 @ SV14 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1148]) ).

thf(1278,plain,
    ! [SV26: $i,SV102: $i,SV205: $i] :
      ( ( ( ~ ( in @ SV205 @ SV102 ) )
        = $true )
      | ( ( in @ SV205 @ SV26 )
        = $true )
      | ( ( element @ SV102 @ ( powerset @ SV26 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1152]) ).

thf(1279,plain,
    ! [SV103: $i,SV27: $i,SV206: $i] :
      ( ( ( in @ SV206 @ SV27 )
        = $true )
      | ( ( subset @ SV27 @ ( set_difference @ SV103 @ ( singleton @ SV206 ) ) )
        = $true )
      | ( ( subset @ SV27 @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1153]) ).

thf(1280,plain,
    ! [SV160: $i,SV146: $i,SV105: $i,SV29: $i] :
      ( ( ( ~ ( subset @ SV29 @ SV105 ) )
        = $true )
      | ( ( ~ ( subset @ SV146 @ SV160 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV29 @ SV146 ) @ ( cartesian_product2 @ SV105 @ SV160 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1154]) ).

thf(1281,plain,
    ! [SV147: $i,SV108: $i,SV32: $i] :
      ( ( ( subset @ SV32 @ SV108 )
        = $false )
      | ( ( ~ ( subset @ SV32 @ SV147 ) )
        = $true )
      | ( ( subset @ SV32 @ ( set_intersection2 @ SV108 @ SV147 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1155]) ).

thf(1282,plain,
    ! [SV148: $i,SV109: $i,SV33: $i] :
      ( ( ( subset @ SV33 @ SV109 )
        = $false )
      | ( ( ~ ( subset @ SV109 @ SV148 ) )
        = $true )
      | ( ( subset @ SV33 @ SV148 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1156]) ).

thf(1283,plain,
    ! [SV44: $i,SV149: $i,SV120: $i] :
      ( ( ( disjoint @ SV120 @ SV149 )
        = $false )
      | ( ( ~ ( subset @ SV44 @ SV120 ) )
        = $true )
      | ( ( disjoint @ SV44 @ SV149 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1160]) ).

thf(1284,plain,
    ! [SV150: $i,SV123: $i,SV48: $i] :
      ( ( ( subset @ SV48 @ SV123 )
        = $false )
      | ( ( ~ ( subset @ SV150 @ SV123 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV48 @ SV150 ) @ SV123 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1161]) ).

thf(1285,plain,
    ! [SV70: $i,SV154: $i,SV137: $i] :
      ( ( ( element @ SV137 @ ( powerset @ SV154 ) )
        = $false )
      | ( ( ~ ( in @ SV70 @ SV137 ) )
        = $true )
      | ( ( element @ SV70 @ SV154 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1167]) ).

thf(1286,plain,
    ! [SV71: $i,SV155: $i,SV138: $i] :
      ( ( ( element @ SV138 @ ( powerset @ SV155 ) )
        = $false )
      | ( ( ~ ( in @ SV71 @ SV138 ) )
        = $true )
      | ( ( ~ ( empty @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1168]) ).

thf(1287,plain,
    ! [SV73: $i,SV140: $i] :
      ( ( ( empty @ SV140 )
        = $false )
      | ( ( SV73 = SV140 )
        = $true )
      | ( ( empty @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1170]) ).

thf(1288,plain,
    ! [SV209: $i,SV162: $i] :
      ( ( ( disjoint @ SV162 @ SV209 )
        = $true )
      | ( ( in @ ( sK30_C @ SV209 @ SV162 ) @ ( set_intersection2 @ SV162 @ SV209 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1171]) ).

thf(1289,plain,
    ! [SV210: $i,SV163: $i] :
      ( ( ( ! [SY597: $i] :
              ~ ( in @ SY597 @ ( set_intersection2 @ SV163 @ SV210 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV163 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1172]) ).

thf(1290,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
                | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
                | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
            | ~ ~ ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
                      | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
                  | ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
                      | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) ) )
        | ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1173]) ).

thf(1291,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( SV261
         != ( set_intersection2 @ SV74 @ SV212 ) )
        | ~ ( ~ ! [SY643: $i] :
                  ( ~ ( in @ SY643 @ SV74 )
                  | ~ ( in @ SY643 @ SV212 )
                  | ( in @ SY643 @ SV261 ) )
            | ~ ~ ( ~ ! [SY644: $i] :
                        ( ~ ( in @ SY644 @ SV261 )
                        | ( in @ SY644 @ SV74 ) )
                  | ~ ! [SY645: $i] :
                        ( ~ ( in @ SY645 @ SV261 )
                        | ( in @ SY645 @ SV212 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1174]) ).

thf(1292,plain,
    ! [SV141: $i,SV262: $i,SV75: $i] :
      ( ( ! [SY646: $i] :
            ( ~ ( in @ SV75 @ SV262 )
            | ~ ( in @ SV141 @ SY646 )
            | ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV262 @ SY646 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1175]) ).

thf(1293,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ! [SY527: $i] :
              ( ! [SY528: $i] :
                  ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY527 @ SY528 ) )
              | ( in @ SV75 @ SY527 ) )
        | ~ ! [SY529: $i,SY530: $i] :
              ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY529 @ SY530 ) )
              | ( in @ SV141 @ SY530 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1176]) ).

thf(1294,plain,
    ! [SV213: $i,SV164: $i] :
      ( ( ( ( ( set_difference @ SV164 @ SV213 )
           != empty_set ) )
        = $true )
      | ( ( subset @ SV164 @ SV213 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1177]) ).

thf(1295,plain,
    ! [SV214: $i,SV165: $i] :
      ( ( ( ~ ( subset @ SV165 @ SV214 ) )
        = $true )
      | ( ( ( set_difference @ SV165 @ SV214 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1178]) ).

thf(1296,plain,
    ! [SV76: $i] :
      ( ( ( ! [SY410: $i] :
              ( ~ ( relation @ SY410 )
              | ~ ( subset @ SV76 @ SY410 )
              | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SY410 ) ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1179]) ).

thf(1297,plain,
    ! [SV76: $i] :
      ( ( ( ! [SY411: $i] :
              ( ~ ( relation @ SY411 )
              | ~ ( subset @ SV76 @ SY411 )
              | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SY411 ) ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1180]) ).

thf(1298,plain,
    ! [SV77: $i,SV166: $i] :
      ( ( ( relation @ SV166 )
        = $false )
      | ( ( ~ ( ~ ! [SY547: $i] :
                    ( ~ ( relation @ SY547 )
                    | ~ ( ~ ( ! [SY548: $i] :
                                ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ SY548 ) @ SV77 )
                                | ~ ( in @ ( ordered_pair @ SY548 @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                            | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) ) @ SV77 )
                                | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                            | ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) ) )
                    | ( SY547
                      = ( relation_composition @ SV77 @ SV166 ) ) )
              | ~ ! [SY549: $i] :
                    ( ~ ( relation @ SY549 )
                    | ( SY549
                     != ( relation_composition @ SV77 @ SV166 ) )
                    | ~ ( ~ ! [SY550: $i,SY551: $i] :
                              ( ! [SY552: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY550 @ SY552 ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ SY552 @ SY551 ) @ SV166 ) )
                              | ( in @ ( ordered_pair @ SY550 @ SY551 ) @ SY549 ) )
                        | ~ ! [SY553: $i,SY554: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY553 @ SY554 ) @ SY549 )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY553 @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) ) @ SV77 )
                                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) @ SY554 ) @ SV166 ) ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1181]) ).

thf(1299,plain,
    ! [SV78: $i] :
      ( ( ( ! [SY421: $i] :
              ( ~ ( ~ ( ! [SY422: $i] :
                          ~ ( in @ ( ordered_pair @ SY422 @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                      | ~ ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SY421 @ SV78 ) @ ( sK37_C @ SY421 @ SV78 ) ) @ SV78 )
                      | ( in @ ( sK37_C @ SY421 @ SV78 ) @ SY421 ) ) )
              | ( SY421
                = ( relation_rng @ SV78 ) ) ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1182]) ).

thf(1300,plain,
    ! [SV78: $i] :
      ( ( ( ! [SY423: $i] :
              ( ( SY423
               != ( relation_rng @ SV78 ) )
              | ~ ( ~ ! [SY424: $i] :
                        ( ! [SY425: $i] :
                            ~ ( in @ ( ordered_pair @ SY425 @ SY424 ) @ SV78 )
                        | ( in @ SY424 @ SY423 ) )
                  | ~ ! [SY426: $i] :
                        ( ~ ( in @ SY426 @ SY423 )
                        | ( in @ ( ordered_pair @ ( sK36_D @ SY426 @ SY423 @ SV78 ) @ SY426 ) @ SV78 ) ) ) ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1183]) ).

thf(1301,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                      | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                       != SV79 ) )
                  | ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                      | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                       != SV215 ) ) )
            | ~ ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                  = SV79 )
                | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                  = SV215 ) ) )
        | ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1184]) ).

thf(1302,plain,
    ! [SV216: $i,SV79: $i,SV264: $i] :
      ( ( ( SV264
         != ( unordered_pair @ SV79 @ SV216 ) )
        | ~ ( ~ ! [SY647: $i] :
                  ( ~ ( in @ SY647 @ SV264 )
                  | ( SY647 = SV79 )
                  | ( SY647 = SV216 ) )
            | ~ ~ ( ~ ! [SY648: $i] :
                        ( ( SY648 != SV79 )
                        | ( in @ SY648 @ SV264 ) )
                  | ~ ! [SY649: $i] :
                        ( ( SY649 != SV216 )
                        | ( in @ SY649 @ SV264 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1185]) ).

thf(1303,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
                  | ~ ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) )
              | ~ ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
                  | ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) ) ) )
        = $true )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1186]) ).

thf(1304,plain,
    ! [SV168: $i,SV218: $i] :
      ( ( ( ( SV218
           != ( powerset @ SV168 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY608: $i] :
                    ( ~ ( in @ SY608 @ SV218 )
                    | ( subset @ SY608 @ SV168 ) )
              | ~ ! [SY609: $i] :
                    ( ~ ( subset @ SY609 @ SV168 )
                    | ( in @ SY609 @ SV218 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1187]) ).

thf(1305,plain,
    ! [SV169: $i] :
      ( ( ( ~ ! [SY559: $i,SY560: $i] :
                ( ( sK48_B @ SV169 )
               != ( ordered_pair @ SY559 @ SY560 ) )
          | ~ ( in @ ( sK48_B @ SV169 ) @ SV169 ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1188]) ).

thf(1306,plain,
    ! [SV170: $i] :
      ( ( ( relation @ SV170 )
        = $false )
      | ( ( ! [SY561: $i] :
              ( ( SY561
                = ( ordered_pair @ ( sK46_C @ SY561 @ SV170 ) @ ( sK47_SY328 @ SY561 @ SV170 ) ) )
              | ~ ( in @ SY561 @ SV170 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1189]) ).

thf(1307,plain,
    ! [SV219: $i,SV171: $i] :
      ( ( ( ( ( set_difference @ SV171 @ ( singleton @ SV219 ) )
           != SV171 ) )
        = $true )
      | ( ( ~ ( in @ SV219 @ SV171 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1190]) ).

thf(1308,plain,
    ! [SV172: $i,SV220: $i] :
      ( ( ( in @ SV220 @ SV172 )
        = $true )
      | ( ( ( set_difference @ SV172 @ ( singleton @ SV220 ) )
          = SV172 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1191]) ).

thf(1309,plain,
    ! [SV221: $i,SV173: $i] :
      ( ( ( ~ ( subset @ SV173 @ ( singleton @ SV221 ) ) )
        = $true )
      | ( ( ( SV173 = empty_set )
          | ( SV173
            = ( singleton @ SV221 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1192]) ).

thf(1310,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1193]) ).

thf(1311,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1194]) ).

thf(1312,plain,
    ! [SV222: $i,SV174: $i] :
      ( ( ( ~ ( in @ SV174 @ SV222 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV174 ) @ SV222 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1195]) ).

thf(1313,plain,
    ! [SV223: $i,SV175: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV175 ) @ SV223 ) )
        = $true )
      | ( ( in @ SV175 @ SV223 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1196]) ).

thf(1314,plain,
    ! [SV265: $i,SV224: $i,SV81: $i] :
      ( ( ~ ( ~ ( ! [SY650: $i,SY651: $i] :
                    ( ~ ( in @ SY650 @ SV81 )
                    | ~ ( in @ SY651 @ SV224 )
                    | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                     != ( ordered_pair @ SY650 @ SY651 ) ) )
                | ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
            | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                          | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
                    | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                     != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) )
                | ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) ) )
        | ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1197]) ).

thf(1315,plain,
    ! [SV225: $i,SV81: $i,SV266: $i] :
      ( ( ( SV266
         != ( cartesian_product2 @ SV81 @ SV225 ) )
        | ~ ( ~ ! [SY652: $i] :
                  ( ! [SY615: $i,SY616: $i] :
                      ( ~ ( in @ SY615 @ SV81 )
                      | ~ ( in @ SY616 @ SV225 )
                      | ( SY652
                       != ( ordered_pair @ SY615 @ SY616 ) ) )
                  | ( in @ SY652 @ SV266 ) )
            | ~ ! [SY655: $i] :
                  ( ~ ( in @ SY655 @ SV266 )
                  | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                            | ~ ( in @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
                      | ( SY655
                       != ( ordered_pair @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1198]) ).

thf(1316,plain,
    ! [SV142: $i,SV267: $i,SV82: $i] :
      ( ( ! [SY656: $i] :
            ( ~ ( in @ SV82 @ SV267 )
            | ~ ( in @ SV142 @ SY656 )
            | ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV267 @ SY656 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1199]) ).

thf(1317,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ! [SY533: $i] :
              ( ! [SY534: $i] :
                  ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY533 @ SY534 ) )
              | ( in @ SV82 @ SY533 ) )
        | ~ ! [SY535: $i,SY536: $i] :
              ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY535 @ SY536 ) )
              | ( in @ SV142 @ SY536 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1200]) ).

thf(1318,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1201]) ).

thf(1319,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( in @ SX1 @ SX0 )
              | ( element @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1202]) ).

thf(1320,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ( empty @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1203]) ).

thf(1321,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( empty @ SX1 )
              | ( element @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1204]) ).

thf(1322,plain,
    ! [SV176: $i] :
      ( ( ( relation @ SV176 )
        = $false )
      | ( ( ( relation_rng @ SV176 )
          = ( relation_dom @ ( relation_inverse @ SV176 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1205]) ).

thf(1323,plain,
    ! [SV177: $i] :
      ( ( ( relation @ SV177 )
        = $false )
      | ( ( ( relation_dom @ SV177 )
          = ( relation_rng @ ( relation_inverse @ SV177 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1206]) ).

thf(1324,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                      | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
                  | ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                      | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
            | ~ ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
                | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
        | ( SV268
          = ( set_union2 @ SV83 @ SV226 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1207]) ).

thf(1325,plain,
    ! [SV227: $i,SV83: $i,SV269: $i] :
      ( ( ( SV269
         != ( set_union2 @ SV83 @ SV227 ) )
        | ~ ( ~ ! [SY657: $i] :
                  ( ~ ( in @ SY657 @ SV269 )
                  | ( in @ SY657 @ SV83 )
                  | ( in @ SY657 @ SV227 ) )
            | ~ ~ ( ~ ! [SY658: $i] :
                        ( ~ ( in @ SY658 @ SV83 )
                        | ( in @ SY658 @ SV269 ) )
                  | ~ ! [SY659: $i] :
                        ( ~ ( in @ SY659 @ SV227 )
                        | ( in @ SY659 @ SV269 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1208]) ).

thf(1326,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV178 )
              | ~ ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV228 ) ) )
        = $true )
      | ( ( subset @ SV178 @ SV228 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1209]) ).

thf(1327,plain,
    ! [SV229: $i,SV179: $i] :
      ( ( ( ~ ( subset @ SV179 @ SV229 ) )
        = $true )
      | ( ( ! [SY623: $i] :
              ( ~ ( in @ SY623 @ SV179 )
              | ( in @ SY623 @ SV229 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1210]) ).

thf(1328,plain,
    ! [SV270: $i,SV143: $i,SV84: $i] :
      ( ( ! [SY660: $i] :
            ( ( ordered_pair @ SV84 @ SV143 )
           != ( ordered_pair @ SV270 @ SY660 ) )
        | ( SV84 = SV270 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1211]) ).

thf(1329,plain,
    ! [SV271: $i,SV143: $i,SV84: $i] :
      ( ( ! [SY661: $i] :
            ( ( ( ordered_pair @ SV84 @ SV143 )
             != ( ordered_pair @ SV271 @ SY661 ) )
            | ( SV143 = SY661 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1212]) ).

thf(1330,plain,
    ! [SV180: $i] :
      ( ( ( empty @ SV180 )
        = $false )
      | ( ( empty @ ( relation_rng @ SV180 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1213]) ).

thf(1331,plain,
    ! [SV181: $i] :
      ( ( ( empty @ SV181 )
        = $false )
      | ( ( relation @ ( relation_rng @ SV181 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1214]) ).

thf(1332,plain,
    ! [SV85: $i,SV230: $i] :
      ( ( ( ~ ( subset @ SV230 @ ( sK2_B @ SV85 ) )
          | ( are_equipotent @ SV230 @ ( sK2_B @ SV85 ) ) )
        = $true )
      | ( ( in @ SV230 @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1215]) ).

thf(1333,plain,
    ! [SV85: $i] :
      ( ( ~ ! [SY464: $i] :
              ( ~ ( ~ ! [SY465: $i] :
                        ( ~ ( subset @ SY465 @ SY464 )
                        | ( in @ SY465 @ ( sK3_SY299 @ SY464 @ SV85 ) ) )
                  | ~ ( in @ ( sK3_SY299 @ SY464 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
              | ~ ( in @ SY464 @ ( sK2_B @ SV85 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1216]) ).

thf(1334,plain,
    ! [SV85: $i] :
      ( ( ~ ~ ( ~ ! [SY466: $i,SY467: $i] :
                    ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
                    | ~ ( subset @ SY467 @ SY466 )
                    | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
              | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1216]) ).

thf(1335,plain,
    ! [SV231: $i,SV182: $i] :
      ( ( ( ~ ( in @ SV182 @ SV231 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV182 ) @ SV231 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1217]) ).

thf(1336,plain,
    ! [SV232: $i,SV183: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV183 ) @ SV232 ) )
        = $true )
      | ( ( in @ SV183 @ SV232 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1218]) ).

thf(1337,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( ! [SY624: $i] :
                      ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SY624 )
                      | ~ ( in @ SY624 @ SV184 ) )
                  | ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
              | ~ ( ~ ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
                      | ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) )
                  | ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) ) ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1219]) ).

thf(1338,plain,
    ! [SV185: $i,SV234: $i] :
      ( ( ( ( SV234
           != ( union @ SV185 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY625: $i] :
                    ( ! [SY576: $i] :
                        ( ~ ( in @ SY625 @ SY576 )
                        | ~ ( in @ SY576 @ SV185 ) )
                    | ( in @ SY625 @ SV234 ) )
              | ~ ! [SY627: $i] :
                    ( ~ ( in @ SY627 @ SV234 )
                    | ~ ( ~ ( in @ SY627 @ ( sK16_D @ SY627 @ SV234 @ SV185 ) )
                        | ~ ( in @ ( sK16_D @ SY627 @ SV234 @ SV185 ) @ SV185 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1220]) ).

thf(1339,plain,
    ! [SV86: $i] :
      ( ( ( ! [SY468: $i] :
              ( ~ ( ~ ( ! [SY469: $i] :
                          ~ ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ SY469 ) @ SV86 )
                      | ~ ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SY468 @ SV86 ) @ ( sK41_SY325 @ SY468 @ SV86 ) ) @ SV86 )
                      | ( in @ ( sK40_C @ SY468 @ SV86 ) @ SY468 ) ) )
              | ( SY468
                = ( relation_dom @ SV86 ) ) ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1221]) ).

thf(1340,plain,
    ! [SV86: $i] :
      ( ( ( ! [SY470: $i] :
              ( ( SY470
               != ( relation_dom @ SV86 ) )
              | ~ ( ~ ! [SY471: $i] :
                        ( ! [SY472: $i] :
                            ~ ( in @ ( ordered_pair @ SY471 @ SY472 ) @ SV86 )
                        | ( in @ SY471 @ SY470 ) )
                  | ~ ! [SY473: $i] :
                        ( ~ ( in @ SY473 @ SY470 )
                        | ( in @ ( ordered_pair @ SY473 @ ( sK39_D @ SY473 @ SY470 @ SV86 ) ) @ SV86 ) ) ) ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1222]) ).

thf(1341,plain,
    ! [SV235: $i,SV186: $i] :
      ( ( ( ( ( set_intersection2 @ SV186 @ SV235 )
           != empty_set ) )
        = $true )
      | ( ( disjoint @ SV186 @ SV235 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1223]) ).

thf(1342,plain,
    ! [SV236: $i,SV187: $i] :
      ( ( ( ~ ( disjoint @ SV187 @ SV236 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV187 @ SV236 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1224]) ).

thf(1343,plain,
    ! [SV237: $i,SV188: $i] :
      ( ( ( ( SV188 = SV237 )
          | ~ ( subset @ SV188 @ SV237 ) )
        = $true )
      | ( ( proper_subset @ SV188 @ SV237 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1225]) ).

thf(1344,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( SX0 != SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1226]) ).

thf(1345,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1227]) ).

thf(1346,plain,
    ! [SV87: $i,SV238: $i] :
      ( ( ( ~ ( subset @ SV238 @ ( sK32_B @ SV87 ) )
          | ( are_equipotent @ SV238 @ ( sK32_B @ SV87 ) ) )
        = $true )
      | ( ( in @ SV238 @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1228]) ).

thf(1347,plain,
    ! [SV87: $i] :
      ( ( ~ ! [SY475: $i] :
              ( ~ ( in @ SY475 @ ( sK32_B @ SV87 ) )
              | ( in @ ( powerset @ SY475 ) @ ( sK32_B @ SV87 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1229]) ).

thf(1348,plain,
    ! [SV87: $i] :
      ( ( ~ ~ ( ~ ! [SY476: $i,SY477: $i] :
                    ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
                    | ~ ( subset @ SY477 @ SY476 )
                    | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
              | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1229]) ).

thf(1349,plain,
    ! [SV189: $i] :
      ( ( ( empty @ SV189 )
        = $false )
      | ( ( empty @ ( relation_dom @ SV189 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1230]) ).

thf(1350,plain,
    ! [SV190: $i] :
      ( ( ( empty @ SV190 )
        = $false )
      | ( ( relation @ ( relation_dom @ SV190 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1231]) ).

thf(1351,plain,
    ! [SV88: $i] :
      ( ( ( empty @ ( sK8_B @ SV88 ) )
        = $false )
      | ( ( empty @ SV88 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1233]) ).

thf(1352,plain,
    ! [SV239: $i,SV191: $i] :
      ( ( ( ~ ( subset @ SV191 @ ( singleton @ SV239 ) ) )
        = $true )
      | ( ( ( SV191 = empty_set )
          | ( SV191
            = ( singleton @ SV239 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1234]) ).

thf(1353,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1235]) ).

thf(1354,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1236]) ).

thf(1355,plain,
    ! [SV240: $i,SV192: $i] :
      ( ( ( ( ( set_difference @ SV192 @ SV240 )
           != SV192 ) )
        = $true )
      | ( ( disjoint @ SV192 @ SV240 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1237]) ).

thf(1356,plain,
    ! [SV241: $i,SV193: $i] :
      ( ( ( ~ ( disjoint @ SV193 @ SV241 ) )
        = $true )
      | ( ( ( set_difference @ SV193 @ SV241 )
          = SV193 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1238]) ).

thf(1357,plain,
    ! [SV242: $i,SV272: $i,SV89: $i] :
      ( ( ~ ( in @ SV89 @ SV272 )
        | ~ ( in @ SV242 @ SV272 )
        | ( subset @ ( unordered_pair @ SV89 @ SV242 ) @ SV272 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1239]) ).

thf(1358,plain,
    ! [SV89: $i] :
      ( ( ~ ! [SY480: $i,SY481: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV89 @ SY480 ) @ SY481 )
              | ( in @ SV89 @ SY481 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1240]) ).

thf(1359,plain,
    ! [SV89: $i] :
      ( ( ~ ! [SY482: $i,SY483: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV89 @ SY482 ) @ SY483 )
              | ( in @ SY482 @ SY483 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1240]) ).

thf(1360,plain,
    ! [SV90: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( relation @ SY484 )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                      | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SY484 @ SV90 ) @ ( sK14_SY309 @ SY484 @ SV90 ) ) @ SY484 )
                      | ( in @ ( ordered_pair @ ( sK14_SY309 @ SY484 @ SV90 ) @ ( sK13_C @ SY484 @ SV90 ) ) @ SV90 ) ) )
              | ( SY484
                = ( relation_inverse @ SV90 ) ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1241]) ).

thf(1361,plain,
    ! [SV90: $i] :
      ( ( ( ! [SY485: $i] :
              ( ~ ( relation @ SY485 )
              | ( SY485
               != ( relation_inverse @ SV90 ) )
              | ~ ( ~ ! [SY486: $i,SY487: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY486 @ SY487 ) @ SY485 )
                        | ( in @ ( ordered_pair @ SY487 @ SY486 ) @ SV90 ) )
                  | ~ ! [SY488: $i,SY489: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY489 @ SY488 ) @ SV90 )
                        | ( in @ ( ordered_pair @ SY488 @ SY489 ) @ SY485 ) ) ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1242]) ).

thf(1362,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ~ ( ~ ( ( ( sK29_C @ SV243 @ SV194 )
                   != SV194 )
                  | ~ ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) )
              | ~ ( ( ( sK29_C @ SV243 @ SV194 )
                    = SV194 )
                  | ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) ) ) )
        = $true )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1243]) ).

thf(1363,plain,
    ! [SV195: $i,SV244: $i] :
      ( ( ( ( SV244
           != ( singleton @ SV195 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY629: $i] :
                    ( ( SY629 != SV195 )
                    | ( in @ SY629 @ SV244 ) )
              | ~ ! [SY630: $i] :
                    ( ~ ( in @ SY630 @ SV244 )
                    | ( SY630 = SV195 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1244]) ).

thf(1364,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV91 )
        = $true )
      | ( ( element @ SV91 @ ( powerset @ SV144 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1245]) ).

thf(1365,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ( ~ ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV144 ) )
        = $true )
      | ( ( element @ SV91 @ ( powerset @ SV144 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1246]) ).

thf(1366,plain,
    ! [SV245: $i,SV92: $i,SV273: $i] :
      ( ( ~ ( relation @ SV273 )
        | ~ ( in @ ( ordered_pair @ SV92 @ SV245 ) @ SV273 )
        | ( in @ SV92 @ ( relation_field @ SV273 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1247]) ).

thf(1367,plain,
    ! [SV246: $i,SV92: $i,SV274: $i] :
      ( ( ~ ( relation @ SV274 )
        | ~ ( in @ ( ordered_pair @ SV92 @ SV246 ) @ SV274 )
        | ( in @ SV246 @ ( relation_field @ SV274 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1248]) ).

thf(1368,plain,
    ! [SV247: $i,SV196: $i] :
      ( ( ( ~ ( subset @ SV196 @ SV247 )
          | ~ ( subset @ SV247 @ SV196 ) )
        = $true )
      | ( ( SV196 = SV247 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1249]) ).

thf(1369,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1250]) ).

thf(1370,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1251]) ).

thf(1371,plain,
    ! [SV248: $i,SV197: $i] :
      ( ( ( disjoint @ SV197 @ SV248 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV197 )
              | ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV248 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1252]) ).

thf(1372,plain,
    ! [SV249: $i,SV198: $i] :
      ( ( ( ! [SY633: $i] :
              ( ~ ( in @ SY633 @ SV198 )
              | ~ ( in @ SY633 @ SV249 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV198 @ SV249 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1253]) ).

thf(1373,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
                | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
                | ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
            | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
                      | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
                  | ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
                      | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) ) )
        | ( SV275
          = ( set_difference @ SV93 @ SV250 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1254]) ).

thf(1374,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( SV276
         != ( set_difference @ SV93 @ SV251 ) )
        | ~ ( ~ ! [SY662: $i] :
                  ( ~ ( in @ SY662 @ SV93 )
                  | ( in @ SY662 @ SV251 )
                  | ( in @ SY662 @ SV276 ) )
            | ~ ~ ( ~ ! [SY663: $i] :
                        ( ~ ( in @ SY663 @ SV276 )
                        | ( in @ SY663 @ SV93 ) )
                  | ~ ! [SY664: $i] :
                        ( ~ ( in @ SY664 @ SV276 )
                        | ~ ( in @ SY664 @ SV251 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1255]) ).

thf(1375,plain,
    ! [SV252: $i,SV199: $i] :
      ( ( ( ~ ( element @ SV199 @ ( powerset @ SV252 ) ) )
        = $true )
      | ( ( subset @ SV199 @ SV252 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1256]) ).

thf(1376,plain,
    ! [SV253: $i,SV200: $i] :
      ( ( ( ~ ( subset @ SV200 @ SV253 ) )
        = $true )
      | ( ( element @ SV200 @ ( powerset @ SV253 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1257]) ).

thf(1377,plain,
    ! [SV254: $i,SV201: $i] :
      ( ( ( ( ( set_difference @ SV201 @ SV254 )
           != empty_set ) )
        = $true )
      | ( ( subset @ SV201 @ SV254 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1258]) ).

thf(1378,plain,
    ! [SV255: $i,SV202: $i] :
      ( ( ( ~ ( subset @ SV202 @ SV255 ) )
        = $true )
      | ( ( ( set_difference @ SV202 @ SV255 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1259]) ).

thf(1379,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
          | ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) )
        = $true )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1260]) ).

thf(1380,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
          | ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) )
        = $true )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1261]) ).

thf(1381,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 = empty_set )
          | ! [SX1: $i] :
              ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ ( sK45_SY326 @ SX1 @ SX0 ) ) )
                      | ~ ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) )
                  | ~ ( ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX0 )
                          | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX2 ) )
                      | ( in @ ( sK44_C @ SX1 @ SX0 ) @ SX1 ) ) )
              | ( SX1
                = ( set_meet @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1262]) ).

thf(1382,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 = empty_set )
          | ! [SX1: $i] :
              ( ( SX1
               != ( set_meet @ SX0 ) )
              | ~ ( ~ ! [SX2: $i] :
                        ( ~ ( ~ ( in @ ( sK43_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                            | ~ ~ ( in @ SX2 @ ( sK43_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)],[1263]) ).

thf(1383,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ( ( SX1
               != ( set_meet @ SX0 ) )
              | ( SX1 = empty_set ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1264]) ).

thf(1384,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ( ( SX1 != empty_set )
              | ( SX1
                = ( set_meet @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1265]) ).

thf(1385,plain,
    ! [SV256: $i,SV95: $i,SV277: $i] :
      ( ( ~ ( relation @ SV277 )
        | ~ ( in @ ( ordered_pair @ SV95 @ SV256 ) @ SV277 )
        | ( in @ SV95 @ ( relation_dom @ SV277 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1266]) ).

thf(1386,plain,
    ! [SV257: $i,SV95: $i,SV278: $i] :
      ( ( ~ ( relation @ SV278 )
        | ~ ( in @ ( ordered_pair @ SV95 @ SV257 ) @ SV278 )
        | ( in @ SV257 @ ( relation_rng @ SV278 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1267]) ).

thf(1387,plain,
    ! [SV204: $i] :
      ( ( ( SV204 = empty_set )
        = $false )
      | ( ( ! [SY596: $i] :
              ~ ( in @ SY596 @ SV204 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1269]) ).

thf(1388,plain,
    ! [SV258: $i,SV96: $i] :
      ( ( ( ~ ( subset @ SV96 @ SV258 ) )
        = $true )
      | ( ( ! [SY641: $i] : ( subset @ ( cartesian_product2 @ SV96 @ SY641 ) @ ( cartesian_product2 @ SV258 @ SY641 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1270]) ).

thf(1389,plain,
    ! [SV259: $i,SV96: $i] :
      ( ( ( ~ ( subset @ SV96 @ SV259 ) )
        = $true )
      | ( ( ! [SY642: $i] : ( subset @ ( cartesian_product2 @ SY642 @ SV96 ) @ ( cartesian_product2 @ SY642 @ SV259 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1271]) ).

thf(1390,plain,
    ! [SV158: $i,SV7: $i] :
      ( ( ( ~ ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SV158 ) ) )
        = $true )
      | ( ( ( relation_dom @ ( relation_composition @ SV7 @ SV158 ) )
          = ( relation_dom @ SV7 ) )
        = $true )
      | ( ( relation @ SV158 )
        = $false )
      | ( ( relation @ SV7 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1274]) ).

thf(1391,plain,
    ! [SV159: $i,SV8: $i] :
      ( ( ( ~ ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SV159 ) ) )
        = $true )
      | ( ( ( relation_rng @ ( relation_composition @ SV159 @ SV8 ) )
          = ( relation_rng @ SV8 ) )
        = $true )
      | ( ( relation @ SV159 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1275]) ).

thf(1392,plain,
    ! [SV26: $i,SV102: $i,SV205: $i] :
      ( ( ( in @ SV205 @ SV102 )
        = $false )
      | ( ( in @ SV205 @ SV26 )
        = $true )
      | ( ( element @ SV102 @ ( powerset @ SV26 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1278]) ).

thf(1393,plain,
    ! [SV160: $i,SV146: $i,SV105: $i,SV29: $i] :
      ( ( ( subset @ SV29 @ SV105 )
        = $false )
      | ( ( ~ ( subset @ SV146 @ SV160 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV29 @ SV146 ) @ ( cartesian_product2 @ SV105 @ SV160 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1280]) ).

thf(1394,plain,
    ! [SV108: $i,SV147: $i,SV32: $i] :
      ( ( ( subset @ SV32 @ SV147 )
        = $false )
      | ( ( subset @ SV32 @ SV108 )
        = $false )
      | ( ( subset @ SV32 @ ( set_intersection2 @ SV108 @ SV147 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1281]) ).

thf(1395,plain,
    ! [SV33: $i,SV148: $i,SV109: $i] :
      ( ( ( subset @ SV109 @ SV148 )
        = $false )
      | ( ( subset @ SV33 @ SV109 )
        = $false )
      | ( ( subset @ SV33 @ SV148 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1282]) ).

thf(1396,plain,
    ! [SV149: $i,SV120: $i,SV44: $i] :
      ( ( ( subset @ SV44 @ SV120 )
        = $false )
      | ( ( disjoint @ SV120 @ SV149 )
        = $false )
      | ( ( disjoint @ SV44 @ SV149 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1283]) ).

thf(1397,plain,
    ! [SV48: $i,SV123: $i,SV150: $i] :
      ( ( ( subset @ SV150 @ SV123 )
        = $false )
      | ( ( subset @ SV48 @ SV123 )
        = $false )
      | ( ( subset @ ( set_union2 @ SV48 @ SV150 ) @ SV123 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1284]) ).

thf(1398,plain,
    ! [SV154: $i,SV137: $i,SV70: $i] :
      ( ( ( in @ SV70 @ SV137 )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ SV154 ) )
        = $false )
      | ( ( element @ SV70 @ SV154 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1285]) ).

thf(1399,plain,
    ! [SV155: $i,SV138: $i,SV71: $i] :
      ( ( ( in @ SV71 @ SV138 )
        = $false )
      | ( ( element @ SV138 @ ( powerset @ SV155 ) )
        = $false )
      | ( ( ~ ( empty @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1286]) ).

thf(1400,plain,
    ! [SV210: $i,SV163: $i,SV279: $i] :
      ( ( ( ~ ( in @ SV279 @ ( set_intersection2 @ SV163 @ SV210 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV163 @ SV210 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1289]) ).

thf(1401,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
                  | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
                  | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
              | ~ ~ ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
                        | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
                    | ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
                        | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) ) ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1290]) ).

thf(1402,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( ( SV261
           != ( set_intersection2 @ SV74 @ SV212 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY643: $i] :
                    ( ~ ( in @ SY643 @ SV74 )
                    | ~ ( in @ SY643 @ SV212 )
                    | ( in @ SY643 @ SV261 ) )
              | ~ ~ ( ~ ! [SY644: $i] :
                          ( ~ ( in @ SY644 @ SV261 )
                          | ( in @ SY644 @ SV74 ) )
                    | ~ ! [SY645: $i] :
                          ( ~ ( in @ SY645 @ SV261 )
                          | ( in @ SY645 @ SV212 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1291]) ).

thf(1403,plain,
    ! [SV280: $i,SV141: $i,SV262: $i,SV75: $i] :
      ( ( ~ ( in @ SV75 @ SV262 )
        | ~ ( in @ SV141 @ SV280 )
        | ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV262 @ SV280 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1292]) ).

thf(1404,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ! [SY527: $i] :
              ( ! [SY528: $i] :
                  ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY527 @ SY528 ) )
              | ( in @ SV75 @ SY527 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1293]) ).

thf(1405,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ~ ! [SY529: $i,SY530: $i] :
              ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY529 @ SY530 ) )
              | ( in @ SV141 @ SY530 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1293]) ).

thf(1406,plain,
    ! [SV213: $i,SV164: $i] :
      ( ( ( ( set_difference @ SV164 @ SV213 )
          = empty_set )
        = $false )
      | ( ( subset @ SV164 @ SV213 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1294]) ).

thf(1407,plain,
    ! [SV214: $i,SV165: $i] :
      ( ( ( subset @ SV165 @ SV214 )
        = $false )
      | ( ( ( set_difference @ SV165 @ SV214 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1295]) ).

thf(1408,plain,
    ! [SV76: $i,SV281: $i] :
      ( ( ( ~ ( relation @ SV281 )
          | ~ ( subset @ SV76 @ SV281 )
          | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SV281 ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1296]) ).

thf(1409,plain,
    ! [SV76: $i,SV282: $i] :
      ( ( ( ~ ( relation @ SV282 )
          | ~ ( subset @ SV76 @ SV282 )
          | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SV282 ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1297]) ).

thf(1410,plain,
    ! [SV77: $i,SV166: $i] :
      ( ( ( ~ ! [SY547: $i] :
                ( ~ ( relation @ SY547 )
                | ~ ( ~ ( ! [SY548: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ SY548 ) @ SV77 )
                            | ~ ( in @ ( ordered_pair @ SY548 @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) ) @ SV77 )
                            | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) ) )
                | ( SY547
                  = ( relation_composition @ SV77 @ SV166 ) ) )
          | ~ ! [SY549: $i] :
                ( ~ ( relation @ SY549 )
                | ( SY549
                 != ( relation_composition @ SV77 @ SV166 ) )
                | ~ ( ~ ! [SY550: $i,SY551: $i] :
                          ( ! [SY552: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY550 @ SY552 ) @ SV77 )
                              | ~ ( in @ ( ordered_pair @ SY552 @ SY551 ) @ SV166 ) )
                          | ( in @ ( ordered_pair @ SY550 @ SY551 ) @ SY549 ) )
                    | ~ ! [SY553: $i,SY554: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY553 @ SY554 ) @ SY549 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY553 @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) ) @ SV77 )
                              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) @ SY554 ) @ SV166 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1298]) ).

thf(1411,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ~ ( ~ ( ! [SY665: $i] :
                      ~ ( in @ ( ordered_pair @ SY665 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
                  | ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SV283 @ SV78 ) @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
                  | ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) ) )
          | ( SV283
            = ( relation_rng @ SV78 ) ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1299]) ).

thf(1412,plain,
    ! [SV78: $i,SV284: $i] :
      ( ( ( ( SV284
           != ( relation_rng @ SV78 ) )
          | ~ ( ~ ! [SY666: $i] :
                    ( ! [SY425: $i] :
                        ~ ( in @ ( ordered_pair @ SY425 @ SY666 ) @ SV78 )
                    | ( in @ SY666 @ SV284 ) )
              | ~ ! [SY668: $i] :
                    ( ~ ( in @ SY668 @ SV284 )
                    | ( in @ ( ordered_pair @ ( sK36_D @ SY668 @ SV284 @ SV78 ) @ SY668 ) @ SV78 ) ) ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1300]) ).

thf(1413,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                        | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                         != SV79 ) )
                    | ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                        | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                         != SV215 ) ) )
              | ~ ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                  | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                    = SV79 )
                  | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                    = SV215 ) ) ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1301]) ).

thf(1414,plain,
    ! [SV216: $i,SV79: $i,SV264: $i] :
      ( ( ( ( SV264
           != ( unordered_pair @ SV79 @ SV216 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY647: $i] :
                    ( ~ ( in @ SY647 @ SV264 )
                    | ( SY647 = SV79 )
                    | ( SY647 = SV216 ) )
              | ~ ~ ( ~ ! [SY648: $i] :
                          ( ( SY648 != SV79 )
                          | ( in @ SY648 @ SV264 ) )
                    | ~ ! [SY649: $i] :
                          ( ( SY649 != SV216 )
                          | ( in @ SY649 @ SV264 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1302]) ).

thf(1415,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
              | ~ ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) )
          | ~ ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
              | ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) ) )
        = $false )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1303]) ).

thf(1416,plain,
    ! [SV168: $i,SV218: $i] :
      ( ( ( SV218
          = ( powerset @ SV168 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY608: $i] :
                    ( ~ ( in @ SY608 @ SV218 )
                    | ( subset @ SY608 @ SV168 ) )
              | ~ ! [SY609: $i] :
                    ( ~ ( subset @ SY609 @ SV168 )
                    | ( in @ SY609 @ SV218 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1304]) ).

thf(1417,plain,
    ! [SV169: $i] :
      ( ( ( ~ ! [SY559: $i,SY560: $i] :
                ( ( sK48_B @ SV169 )
               != ( ordered_pair @ SY559 @ SY560 ) ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1305]) ).

thf(1418,plain,
    ! [SV169: $i] :
      ( ( ( ~ ( in @ ( sK48_B @ SV169 ) @ SV169 ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1305]) ).

thf(1419,plain,
    ! [SV170: $i,SV285: $i] :
      ( ( ( ( SV285
            = ( ordered_pair @ ( sK46_C @ SV285 @ SV170 ) @ ( sK47_SY328 @ SV285 @ SV170 ) ) )
          | ~ ( in @ SV285 @ SV170 ) )
        = $true )
      | ( ( relation @ SV170 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1306]) ).

thf(1420,plain,
    ! [SV219: $i,SV171: $i] :
      ( ( ( ( set_difference @ SV171 @ ( singleton @ SV219 ) )
          = SV171 )
        = $false )
      | ( ( ~ ( in @ SV219 @ SV171 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1307]) ).

thf(1421,plain,
    ! [SV221: $i,SV173: $i] :
      ( ( ( subset @ SV173 @ ( singleton @ SV221 ) )
        = $false )
      | ( ( ( SV173 = empty_set )
          | ( SV173
            = ( singleton @ SV221 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1309]) ).

thf(1422,plain,
    ! [SV286: $i] :
      ( ( ( SV286 != empty_set )
        | ! [SY669: $i] : ( subset @ SV286 @ ( singleton @ SY669 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1310]) ).

thf(1423,plain,
    ! [SV287: $i] :
      ( ( ! [SY670: $i] :
            ( ( SV287
             != ( singleton @ SY670 ) )
            | ( subset @ SV287 @ ( singleton @ SY670 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1311]) ).

thf(1424,plain,
    ! [SV222: $i,SV174: $i] :
      ( ( ( in @ SV174 @ SV222 )
        = $false )
      | ( ( subset @ ( singleton @ SV174 ) @ SV222 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1312]) ).

thf(1425,plain,
    ! [SV223: $i,SV175: $i] :
      ( ( ( subset @ ( singleton @ SV175 ) @ SV223 )
        = $false )
      | ( ( in @ SV175 @ SV223 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1313]) ).

thf(1426,plain,
    ! [SV265: $i,SV224: $i,SV81: $i] :
      ( ( ( ~ ( ~ ( ! [SY650: $i,SY651: $i] :
                      ( ~ ( in @ SY650 @ SV81 )
                      | ~ ( in @ SY651 @ SV224 )
                      | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                       != ( ordered_pair @ SY650 @ SY651 ) ) )
                  | ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
              | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                            | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
                      | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                       != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) )
                  | ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) ) ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1314]) ).

thf(1427,plain,
    ! [SV225: $i,SV81: $i,SV266: $i] :
      ( ( ( ( SV266
           != ( cartesian_product2 @ SV81 @ SV225 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY652: $i] :
                    ( ! [SY615: $i,SY616: $i] :
                        ( ~ ( in @ SY615 @ SV81 )
                        | ~ ( in @ SY616 @ SV225 )
                        | ( SY652
                         != ( ordered_pair @ SY615 @ SY616 ) ) )
                    | ( in @ SY652 @ SV266 ) )
              | ~ ! [SY655: $i] :
                    ( ~ ( in @ SY655 @ SV266 )
                    | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                              | ~ ( in @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
                        | ( SY655
                         != ( ordered_pair @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1315]) ).

thf(1428,plain,
    ! [SV288: $i,SV142: $i,SV267: $i,SV82: $i] :
      ( ( ~ ( in @ SV82 @ SV267 )
        | ~ ( in @ SV142 @ SV288 )
        | ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV267 @ SV288 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1316]) ).

thf(1429,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ! [SY533: $i] :
              ( ! [SY534: $i] :
                  ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY533 @ SY534 ) )
              | ( in @ SV82 @ SY533 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1317]) ).

thf(1430,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ~ ! [SY535: $i,SY536: $i] :
              ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY535 @ SY536 ) )
              | ( in @ SV142 @ SY536 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1317]) ).

thf(1431,plain,
    ! [SV289: $i] :
      ( ( ( empty @ SV289 )
        | ! [SY671: $i] :
            ( ~ ( element @ SY671 @ SV289 )
            | ( in @ SY671 @ SV289 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1318]) ).

thf(1432,plain,
    ! [SV290: $i] :
      ( ( ( empty @ SV290 )
        | ! [SY672: $i] :
            ( ~ ( in @ SY672 @ SV290 )
            | ( element @ SY672 @ SV290 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1319]) ).

thf(1433,plain,
    ! [SV291: $i] :
      ( ( ~ ( empty @ SV291 )
        | ! [SY673: $i] :
            ( ~ ( element @ SY673 @ SV291 )
            | ( empty @ SY673 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1320]) ).

thf(1434,plain,
    ! [SV292: $i] :
      ( ( ~ ( empty @ SV292 )
        | ! [SY674: $i] :
            ( ~ ( empty @ SY674 )
            | ( element @ SY674 @ SV292 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1321]) ).

thf(1435,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                        | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
                    | ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                        | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
              | ~ ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                  | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
                  | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1324]) ).

thf(1436,plain,
    ! [SV227: $i,SV83: $i,SV269: $i] :
      ( ( ( ( SV269
           != ( set_union2 @ SV83 @ SV227 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY657: $i] :
                    ( ~ ( in @ SY657 @ SV269 )
                    | ( in @ SY657 @ SV83 )
                    | ( in @ SY657 @ SV227 ) )
              | ~ ~ ( ~ ! [SY658: $i] :
                          ( ~ ( in @ SY658 @ SV83 )
                          | ( in @ SY658 @ SV269 ) )
                    | ~ ! [SY659: $i] :
                          ( ~ ( in @ SY659 @ SV227 )
                          | ( in @ SY659 @ SV269 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1325]) ).

thf(1437,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ( ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV178 )
          | ~ ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV228 ) )
        = $false )
      | ( ( subset @ SV178 @ SV228 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1326]) ).

thf(1438,plain,
    ! [SV229: $i,SV179: $i] :
      ( ( ( subset @ SV179 @ SV229 )
        = $false )
      | ( ( ! [SY623: $i] :
              ( ~ ( in @ SY623 @ SV179 )
              | ( in @ SY623 @ SV229 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1327]) ).

thf(1439,plain,
    ! [SV270: $i,SV143: $i,SV84: $i] :
      ( ( ( ! [SY660: $i] :
              ( ( ordered_pair @ SV84 @ SV143 )
             != ( ordered_pair @ SV270 @ SY660 ) ) )
        = $true )
      | ( ( SV84 = SV270 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1328]) ).

thf(1440,plain,
    ! [SV293: $i,SV271: $i,SV143: $i,SV84: $i] :
      ( ( ( ( ordered_pair @ SV84 @ SV143 )
         != ( ordered_pair @ SV271 @ SV293 ) )
        | ( SV143 = SV293 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1329]) ).

thf(1441,plain,
    ! [SV85: $i,SV230: $i] :
      ( ( ( ~ ( subset @ SV230 @ ( sK2_B @ SV85 ) ) )
        = $true )
      | ( ( are_equipotent @ SV230 @ ( sK2_B @ SV85 ) )
        = $true )
      | ( ( in @ SV230 @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1332]) ).

thf(1442,plain,
    ! [SV85: $i] :
      ( ( ! [SY464: $i] :
            ( ~ ( ~ ! [SY465: $i] :
                      ( ~ ( subset @ SY465 @ SY464 )
                      | ( in @ SY465 @ ( sK3_SY299 @ SY464 @ SV85 ) ) )
                | ~ ( in @ ( sK3_SY299 @ SY464 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
            | ~ ( in @ SY464 @ ( sK2_B @ SV85 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1333]) ).

thf(1443,plain,
    ! [SV85: $i] :
      ( ( ~ ( ~ ! [SY466: $i,SY467: $i] :
                  ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
                  | ~ ( subset @ SY467 @ SY466 )
                  | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
            | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1334]) ).

thf(1444,plain,
    ! [SV231: $i,SV182: $i] :
      ( ( ( in @ SV182 @ SV231 )
        = $false )
      | ( ( subset @ ( singleton @ SV182 ) @ SV231 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1335]) ).

thf(1445,plain,
    ! [SV232: $i,SV183: $i] :
      ( ( ( subset @ ( singleton @ SV183 ) @ SV232 )
        = $false )
      | ( ( in @ SV183 @ SV232 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1336]) ).

thf(1446,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( ! [SY624: $i] :
                  ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SY624 )
                  | ~ ( in @ SY624 @ SV184 ) )
              | ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
          | ~ ( ~ ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
                  | ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) )
              | ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) ) )
        = $false )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1337]) ).

thf(1447,plain,
    ! [SV185: $i,SV234: $i] :
      ( ( ( SV234
          = ( union @ SV185 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY625: $i] :
                    ( ! [SY576: $i] :
                        ( ~ ( in @ SY625 @ SY576 )
                        | ~ ( in @ SY576 @ SV185 ) )
                    | ( in @ SY625 @ SV234 ) )
              | ~ ! [SY627: $i] :
                    ( ~ ( in @ SY627 @ SV234 )
                    | ~ ( ~ ( in @ SY627 @ ( sK16_D @ SY627 @ SV234 @ SV185 ) )
                        | ~ ( in @ ( sK16_D @ SY627 @ SV234 @ SV185 ) @ SV185 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1338]) ).

thf(1448,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ~ ( ~ ( ! [SY675: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SY675 ) @ SV86 )
                  | ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ ( sK41_SY325 @ SV294 @ SV86 ) ) @ SV86 )
                  | ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) ) )
          | ( SV294
            = ( relation_dom @ SV86 ) ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1339]) ).

thf(1449,plain,
    ! [SV86: $i,SV295: $i] :
      ( ( ( ( SV295
           != ( relation_dom @ SV86 ) )
          | ~ ( ~ ! [SY676: $i] :
                    ( ! [SY472: $i] :
                        ~ ( in @ ( ordered_pair @ SY676 @ SY472 ) @ SV86 )
                    | ( in @ SY676 @ SV295 ) )
              | ~ ! [SY678: $i] :
                    ( ~ ( in @ SY678 @ SV295 )
                    | ( in @ ( ordered_pair @ SY678 @ ( sK39_D @ SY678 @ SV295 @ SV86 ) ) @ SV86 ) ) ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1340]) ).

thf(1450,plain,
    ! [SV235: $i,SV186: $i] :
      ( ( ( ( set_intersection2 @ SV186 @ SV235 )
          = empty_set )
        = $false )
      | ( ( disjoint @ SV186 @ SV235 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1341]) ).

thf(1451,plain,
    ! [SV236: $i,SV187: $i] :
      ( ( ( disjoint @ SV187 @ SV236 )
        = $false )
      | ( ( ( set_intersection2 @ SV187 @ SV236 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1342]) ).

thf(1452,plain,
    ! [SV237: $i,SV188: $i] :
      ( ( ( SV188 = SV237 )
        = $true )
      | ( ( ~ ( subset @ SV188 @ SV237 ) )
        = $true )
      | ( ( proper_subset @ SV188 @ SV237 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1343]) ).

thf(1453,plain,
    ! [SV296: $i] :
      ( ( ! [SY679: $i] :
            ( ~ ( proper_subset @ SV296 @ SY679 )
            | ( SV296 != SY679 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1344]) ).

thf(1454,plain,
    ! [SV297: $i] :
      ( ( ! [SY680: $i] :
            ( ~ ( proper_subset @ SV297 @ SY680 )
            | ( subset @ SV297 @ SY680 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1345]) ).

thf(1455,plain,
    ! [SV87: $i,SV238: $i] :
      ( ( ( ~ ( subset @ SV238 @ ( sK32_B @ SV87 ) ) )
        = $true )
      | ( ( are_equipotent @ SV238 @ ( sK32_B @ SV87 ) )
        = $true )
      | ( ( in @ SV238 @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1346]) ).

thf(1456,plain,
    ! [SV87: $i] :
      ( ( ! [SY475: $i] :
            ( ~ ( in @ SY475 @ ( sK32_B @ SV87 ) )
            | ( in @ ( powerset @ SY475 ) @ ( sK32_B @ SV87 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1347]) ).

thf(1457,plain,
    ! [SV87: $i] :
      ( ( ~ ( ~ ! [SY476: $i,SY477: $i] :
                  ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
                  | ~ ( subset @ SY477 @ SY476 )
                  | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
            | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1348]) ).

thf(1458,plain,
    ! [SV239: $i,SV191: $i] :
      ( ( ( subset @ SV191 @ ( singleton @ SV239 ) )
        = $false )
      | ( ( ( SV191 = empty_set )
          | ( SV191
            = ( singleton @ SV239 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1352]) ).

thf(1459,plain,
    ! [SV298: $i] :
      ( ( ( SV298 != empty_set )
        | ! [SY681: $i] : ( subset @ SV298 @ ( singleton @ SY681 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1353]) ).

thf(1460,plain,
    ! [SV299: $i] :
      ( ( ! [SY682: $i] :
            ( ( SV299
             != ( singleton @ SY682 ) )
            | ( subset @ SV299 @ ( singleton @ SY682 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1354]) ).

thf(1461,plain,
    ! [SV240: $i,SV192: $i] :
      ( ( ( ( set_difference @ SV192 @ SV240 )
          = SV192 )
        = $false )
      | ( ( disjoint @ SV192 @ SV240 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1355]) ).

thf(1462,plain,
    ! [SV241: $i,SV193: $i] :
      ( ( ( disjoint @ SV193 @ SV241 )
        = $false )
      | ( ( ( set_difference @ SV193 @ SV241 )
          = SV193 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1356]) ).

thf(1463,plain,
    ! [SV242: $i,SV272: $i,SV89: $i] :
      ( ( ( ~ ( in @ SV89 @ SV272 )
          | ~ ( in @ SV242 @ SV272 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV89 @ SV242 ) @ SV272 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1357]) ).

thf(1464,plain,
    ! [SV89: $i] :
      ( ( ! [SY480: $i,SY481: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV89 @ SY480 ) @ SY481 )
            | ( in @ SV89 @ SY481 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1358]) ).

thf(1465,plain,
    ! [SV89: $i] :
      ( ( ! [SY482: $i,SY483: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV89 @ SY482 ) @ SY483 )
            | ( in @ SY482 @ SY483 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1359]) ).

thf(1466,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( relation @ SV300 )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) ) )
          | ( SV300
            = ( relation_inverse @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1360]) ).

thf(1467,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( ~ ( relation @ SV301 )
          | ( SV301
           != ( relation_inverse @ SV90 ) )
          | ~ ( ~ ! [SY683: $i,SY684: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
                    | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) )
              | ~ ! [SY685: $i,SY686: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
                    | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1361]) ).

thf(1468,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ~ ( ( ( sK29_C @ SV243 @ SV194 )
               != SV194 )
              | ~ ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) )
          | ~ ( ( ( sK29_C @ SV243 @ SV194 )
                = SV194 )
              | ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) ) )
        = $false )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1362]) ).

thf(1469,plain,
    ! [SV195: $i,SV244: $i] :
      ( ( ( SV244
          = ( singleton @ SV195 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY629: $i] :
                    ( ( SY629 != SV195 )
                    | ( in @ SY629 @ SV244 ) )
              | ~ ! [SY630: $i] :
                    ( ~ ( in @ SY630 @ SV244 )
                    | ( SY630 = SV195 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1363]) ).

thf(1470,plain,
    ! [SV91: $i,SV144: $i] :
      ( ( ( in @ ( sK33_C @ SV144 @ SV91 ) @ SV144 )
        = $false )
      | ( ( element @ SV91 @ ( powerset @ SV144 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1365]) ).

thf(1471,plain,
    ! [SV245: $i,SV92: $i,SV273: $i] :
      ( ( ( ~ ( relation @ SV273 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV92 @ SV245 ) @ SV273 )
          | ( in @ SV92 @ ( relation_field @ SV273 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1366]) ).

thf(1472,plain,
    ! [SV246: $i,SV92: $i,SV274: $i] :
      ( ( ( ~ ( relation @ SV274 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV92 @ SV246 ) @ SV274 )
          | ( in @ SV246 @ ( relation_field @ SV274 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1367]) ).

thf(1473,plain,
    ! [SV247: $i,SV196: $i] :
      ( ( ( ~ ( subset @ SV196 @ SV247 ) )
        = $true )
      | ( ( ~ ( subset @ SV247 @ SV196 ) )
        = $true )
      | ( ( SV196 = SV247 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1368]) ).

thf(1474,plain,
    ! [SV302: $i] :
      ( ( ! [SY687: $i] :
            ( ( SV302 != SY687 )
            | ( subset @ SV302 @ SY687 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1369]) ).

thf(1475,plain,
    ! [SV303: $i] :
      ( ( ! [SY688: $i] :
            ( ( SV303 != SY688 )
            | ( subset @ SY688 @ SV303 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1370]) ).

thf(1476,plain,
    ! [SV197: $i,SV248: $i] :
      ( ( ( ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV197 )
          | ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV248 ) )
        = $false )
      | ( ( disjoint @ SV197 @ SV248 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1371]) ).

thf(1477,plain,
    ! [SV249: $i,SV198: $i,SV304: $i] :
      ( ( ( ~ ( in @ SV304 @ SV198 )
          | ~ ( in @ SV304 @ SV249 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV198 @ SV249 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1372]) ).

thf(1478,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
                  | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
                  | ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
              | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
                        | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
                    | ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
                        | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) ) ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1373]) ).

thf(1479,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( ( SV276
           != ( set_difference @ SV93 @ SV251 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY662: $i] :
                    ( ~ ( in @ SY662 @ SV93 )
                    | ( in @ SY662 @ SV251 )
                    | ( in @ SY662 @ SV276 ) )
              | ~ ~ ( ~ ! [SY663: $i] :
                          ( ~ ( in @ SY663 @ SV276 )
                          | ( in @ SY663 @ SV93 ) )
                    | ~ ! [SY664: $i] :
                          ( ~ ( in @ SY664 @ SV276 )
                          | ~ ( in @ SY664 @ SV251 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1374]) ).

thf(1480,plain,
    ! [SV252: $i,SV199: $i] :
      ( ( ( element @ SV199 @ ( powerset @ SV252 ) )
        = $false )
      | ( ( subset @ SV199 @ SV252 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1375]) ).

thf(1481,plain,
    ! [SV253: $i,SV200: $i] :
      ( ( ( subset @ SV200 @ SV253 )
        = $false )
      | ( ( element @ SV200 @ ( powerset @ SV253 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1376]) ).

thf(1482,plain,
    ! [SV254: $i,SV201: $i] :
      ( ( ( ( set_difference @ SV201 @ SV254 )
          = empty_set )
        = $false )
      | ( ( subset @ SV201 @ SV254 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1377]) ).

thf(1483,plain,
    ! [SV255: $i,SV202: $i] :
      ( ( ( subset @ SV202 @ SV255 )
        = $false )
      | ( ( ( set_difference @ SV202 @ SV255 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1378]) ).

thf(1484,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 ) )
        = $true )
      | ( ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) )
        = $true )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1379]) ).

thf(1485,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
        = $true )
      | ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 )
        = $true )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1380]) ).

thf(1486,plain,
    ! [SV305: $i] :
      ( ( ( SV305 = empty_set )
        | ! [SY689: $i] :
            ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SY689 @ SV305 ) @ SV305 )
                        | ~ ~ ( in @ ( sK44_C @ SY689 @ SV305 ) @ ( sK45_SY326 @ SY689 @ SV305 ) ) )
                    | ~ ( in @ ( sK44_C @ SY689 @ SV305 ) @ SY689 ) )
                | ~ ( ! [SY690: $i] :
                        ( ~ ( in @ SY690 @ SV305 )
                        | ( in @ ( sK44_C @ SY689 @ SV305 ) @ SY690 ) )
                    | ( in @ ( sK44_C @ SY689 @ SV305 ) @ SY689 ) ) )
            | ( SY689
              = ( set_meet @ SV305 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1381]) ).

thf(1487,plain,
    ! [SV306: $i] :
      ( ( ( SV306 = empty_set )
        | ! [SY691: $i] :
            ( ( SY691
             != ( set_meet @ SV306 ) )
            | ~ ( ~ ! [SY692: $i] :
                      ( ~ ( ~ ( in @ ( sK43_D @ SY692 @ SY691 @ SV306 ) @ SV306 )
                          | ~ ~ ( in @ SY692 @ ( sK43_D @ SY692 @ SY691 @ SV306 ) ) )
                      | ( in @ SY692 @ SY691 ) )
                | ~ ! [SY693: $i] :
                      ( ~ ( in @ SY693 @ SY691 )
                      | ! [SY694: $i] :
                          ( ~ ( in @ SY694 @ SV306 )
                          | ( in @ SY693 @ SY694 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1382]) ).

thf(1488,plain,
    ! [SV307: $i] :
      ( ( ( SV307 != empty_set )
        | ! [SY695: $i] :
            ( ( SY695
             != ( set_meet @ SV307 ) )
            | ( SY695 = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1383]) ).

thf(1489,plain,
    ! [SV308: $i] :
      ( ( ( SV308 != empty_set )
        | ! [SY696: $i] :
            ( ( SY696 != empty_set )
            | ( SY696
              = ( set_meet @ SV308 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1384]) ).

thf(1490,plain,
    ! [SV256: $i,SV95: $i,SV277: $i] :
      ( ( ( ~ ( relation @ SV277 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV95 @ SV256 ) @ SV277 )
          | ( in @ SV95 @ ( relation_dom @ SV277 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1385]) ).

thf(1491,plain,
    ! [SV257: $i,SV95: $i,SV278: $i] :
      ( ( ( ~ ( relation @ SV278 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV95 @ SV257 ) @ SV278 )
          | ( in @ SV257 @ ( relation_rng @ SV278 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1386]) ).

thf(1492,plain,
    ! [SV204: $i,SV309: $i] :
      ( ( ( ~ ( in @ SV309 @ SV204 ) )
        = $true )
      | ( ( SV204 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1387]) ).

thf(1493,plain,
    ! [SV258: $i,SV96: $i] :
      ( ( ( subset @ SV96 @ SV258 )
        = $false )
      | ( ( ! [SY641: $i] : ( subset @ ( cartesian_product2 @ SV96 @ SY641 ) @ ( cartesian_product2 @ SV258 @ SY641 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1388]) ).

thf(1494,plain,
    ! [SV259: $i,SV96: $i] :
      ( ( ( subset @ SV96 @ SV259 )
        = $false )
      | ( ( ! [SY642: $i] : ( subset @ ( cartesian_product2 @ SY642 @ SV96 ) @ ( cartesian_product2 @ SY642 @ SV259 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1389]) ).

thf(1495,plain,
    ! [SV158: $i,SV7: $i] :
      ( ( ( subset @ ( relation_rng @ SV7 ) @ ( relation_dom @ SV158 ) )
        = $false )
      | ( ( ( relation_dom @ ( relation_composition @ SV7 @ SV158 ) )
          = ( relation_dom @ SV7 ) )
        = $true )
      | ( ( relation @ SV158 )
        = $false )
      | ( ( relation @ SV7 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1390]) ).

thf(1496,plain,
    ! [SV159: $i,SV8: $i] :
      ( ( ( subset @ ( relation_dom @ SV8 ) @ ( relation_rng @ SV159 ) )
        = $false )
      | ( ( ( relation_rng @ ( relation_composition @ SV159 @ SV8 ) )
          = ( relation_rng @ SV8 ) )
        = $true )
      | ( ( relation @ SV159 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1391]) ).

thf(1497,plain,
    ! [SV105: $i,SV29: $i,SV160: $i,SV146: $i] :
      ( ( ( subset @ SV146 @ SV160 )
        = $false )
      | ( ( subset @ SV29 @ SV105 )
        = $false )
      | ( ( subset @ ( cartesian_product2 @ SV29 @ SV146 ) @ ( cartesian_product2 @ SV105 @ SV160 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1393]) ).

thf(1498,plain,
    ! [SV71: $i,SV138: $i,SV155: $i] :
      ( ( ( empty @ SV155 )
        = $false )
      | ( ( element @ SV138 @ ( powerset @ SV155 ) )
        = $false )
      | ( ( in @ SV71 @ SV138 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1399]) ).

thf(1499,plain,
    ! [SV210: $i,SV163: $i,SV279: $i] :
      ( ( ( in @ SV279 @ ( set_intersection2 @ SV163 @ SV210 ) )
        = $false )
      | ( ( ~ ( disjoint @ SV163 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1400]) ).

thf(1500,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
              | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
              | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
          | ~ ~ ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
                    | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
                | ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
                    | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) ) )
        = $false )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1401]) ).

thf(1501,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY643: $i] :
                    ( ~ ( in @ SY643 @ SV74 )
                    | ~ ( in @ SY643 @ SV212 )
                    | ( in @ SY643 @ SV261 ) )
              | ~ ~ ( ~ ! [SY644: $i] :
                          ( ~ ( in @ SY644 @ SV261 )
                          | ( in @ SY644 @ SV74 ) )
                    | ~ ! [SY645: $i] :
                          ( ~ ( in @ SY645 @ SV261 )
                          | ( in @ SY645 @ SV212 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1402]) ).

thf(1502,plain,
    ! [SV280: $i,SV141: $i,SV262: $i,SV75: $i] :
      ( ( ( ~ ( in @ SV75 @ SV262 )
          | ~ ( in @ SV141 @ SV280 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV262 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1403]) ).

thf(1503,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ! [SY527: $i] :
            ( ! [SY528: $i] :
                ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY527 @ SY528 ) )
            | ( in @ SV75 @ SY527 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1404]) ).

thf(1504,plain,
    ! [SV141: $i,SV75: $i] :
      ( ( ! [SY529: $i,SY530: $i] :
            ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SY529 @ SY530 ) )
            | ( in @ SV141 @ SY530 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1405]) ).

thf(1505,plain,
    ! [SV76: $i,SV281: $i] :
      ( ( ( ~ ( relation @ SV281 ) )
        = $true )
      | ( ( ~ ( subset @ SV76 @ SV281 )
          | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SV281 ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1408]) ).

thf(1506,plain,
    ! [SV76: $i,SV282: $i] :
      ( ( ( ~ ( relation @ SV282 ) )
        = $true )
      | ( ( ~ ( subset @ SV76 @ SV282 )
          | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SV282 ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1409]) ).

thf(1507,plain,
    ! [SV77: $i,SV166: $i] :
      ( ( ( ~ ! [SY547: $i] :
                ( ~ ( relation @ SY547 )
                | ~ ( ~ ( ! [SY548: $i] :
                            ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ SY548 ) @ SV77 )
                            | ~ ( in @ ( ordered_pair @ SY548 @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                        | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) ) @ SV77 )
                            | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                        | ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) ) )
                | ( SY547
                  = ( relation_composition @ SV77 @ SV166 ) ) ) )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1410]) ).

thf(1508,plain,
    ! [SV166: $i,SV77: $i] :
      ( ( ( ~ ! [SY549: $i] :
                ( ~ ( relation @ SY549 )
                | ( SY549
                 != ( relation_composition @ SV77 @ SV166 ) )
                | ~ ( ~ ! [SY550: $i,SY551: $i] :
                          ( ! [SY552: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY550 @ SY552 ) @ SV77 )
                              | ~ ( in @ ( ordered_pair @ SY552 @ SY551 ) @ SV166 ) )
                          | ( in @ ( ordered_pair @ SY550 @ SY551 ) @ SY549 ) )
                    | ~ ! [SY553: $i,SY554: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY553 @ SY554 ) @ SY549 )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY553 @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) ) @ SV77 )
                              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) @ SY554 ) @ SV166 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1410]) ).

thf(1509,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ~ ( ~ ( ! [SY665: $i] :
                      ~ ( in @ ( ordered_pair @ SY665 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
                  | ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SV283 @ SV78 ) @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
                  | ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) ) ) )
        = $true )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1411]) ).

thf(1510,plain,
    ! [SV78: $i,SV284: $i] :
      ( ( ( ( SV284
           != ( relation_rng @ SV78 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY666: $i] :
                    ( ! [SY425: $i] :
                        ~ ( in @ ( ordered_pair @ SY425 @ SY666 ) @ SV78 )
                    | ( in @ SY666 @ SV284 ) )
              | ~ ! [SY668: $i] :
                    ( ~ ( in @ SY668 @ SV284 )
                    | ( in @ ( ordered_pair @ ( sK36_D @ SY668 @ SV284 @ SV78 ) @ SY668 ) @ SV78 ) ) ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1412]) ).

thf(1511,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                    | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                     != SV79 ) )
                | ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                    | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                     != SV215 ) ) )
          | ~ ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                = SV79 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                = SV215 ) ) )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1413]) ).

thf(1512,plain,
    ! [SV216: $i,SV79: $i,SV264: $i] :
      ( ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY647: $i] :
                    ( ~ ( in @ SY647 @ SV264 )
                    | ( SY647 = SV79 )
                    | ( SY647 = SV216 ) )
              | ~ ~ ( ~ ! [SY648: $i] :
                          ( ( SY648 != SV79 )
                          | ( in @ SY648 @ SV264 ) )
                    | ~ ! [SY649: $i] :
                          ( ( SY649 != SV216 )
                          | ( in @ SY649 @ SV264 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1414]) ).

thf(1513,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
              | ~ ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) ) )
        = $false )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1415]) ).

thf(1514,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( ~ ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
              | ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) ) )
        = $false )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1415]) ).

thf(1515,plain,
    ! [SV168: $i,SV218: $i] :
      ( ( ( ~ ! [SY608: $i] :
                ( ~ ( in @ SY608 @ SV218 )
                | ( subset @ SY608 @ SV168 ) )
          | ~ ! [SY609: $i] :
                ( ~ ( subset @ SY609 @ SV168 )
                | ( in @ SY609 @ SV218 ) ) )
        = $false )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1416]) ).

thf(1516,plain,
    ! [SV169: $i] :
      ( ( ( ! [SY559: $i,SY560: $i] :
              ( ( sK48_B @ SV169 )
             != ( ordered_pair @ SY559 @ SY560 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1417]) ).

thf(1517,plain,
    ! [SV169: $i] :
      ( ( ( in @ ( sK48_B @ SV169 ) @ SV169 )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1418]) ).

thf(1518,plain,
    ! [SV170: $i,SV285: $i] :
      ( ( ( SV285
          = ( ordered_pair @ ( sK46_C @ SV285 @ SV170 ) @ ( sK47_SY328 @ SV285 @ SV170 ) ) )
        = $true )
      | ( ( ~ ( in @ SV285 @ SV170 ) )
        = $true )
      | ( ( relation @ SV170 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1419]) ).

thf(1519,plain,
    ! [SV171: $i,SV219: $i] :
      ( ( ( in @ SV219 @ SV171 )
        = $false )
      | ( ( ( set_difference @ SV171 @ ( singleton @ SV219 ) )
          = SV171 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1420]) ).

thf(1520,plain,
    ! [SV221: $i,SV173: $i] :
      ( ( ( SV173 = empty_set )
        = $true )
      | ( ( SV173
          = ( singleton @ SV221 ) )
        = $true )
      | ( ( subset @ SV173 @ ( singleton @ SV221 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1421]) ).

thf(1521,plain,
    ! [SV286: $i] :
      ( ( ( ( SV286 != empty_set ) )
        = $true )
      | ( ( ! [SY669: $i] : ( subset @ SV286 @ ( singleton @ SY669 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1422]) ).

thf(1522,plain,
    ! [SV310: $i,SV287: $i] :
      ( ( ( SV287
         != ( singleton @ SV310 ) )
        | ( subset @ SV287 @ ( singleton @ SV310 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1423]) ).

thf(1523,plain,
    ! [SV265: $i,SV224: $i,SV81: $i] :
      ( ( ( ~ ( ! [SY650: $i,SY651: $i] :
                  ( ~ ( in @ SY650 @ SV81 )
                  | ~ ( in @ SY651 @ SV224 )
                  | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                   != ( ordered_pair @ SY650 @ SY651 ) ) )
              | ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
          | ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                        | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
                  | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                   != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) )
              | ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) ) )
        = $false )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1426]) ).

thf(1524,plain,
    ! [SV225: $i,SV81: $i,SV266: $i] :
      ( ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY652: $i] :
                    ( ! [SY615: $i,SY616: $i] :
                        ( ~ ( in @ SY615 @ SV81 )
                        | ~ ( in @ SY616 @ SV225 )
                        | ( SY652
                         != ( ordered_pair @ SY615 @ SY616 ) ) )
                    | ( in @ SY652 @ SV266 ) )
              | ~ ! [SY655: $i] :
                    ( ~ ( in @ SY655 @ SV266 )
                    | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                              | ~ ( in @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
                        | ( SY655
                         != ( ordered_pair @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1427]) ).

thf(1525,plain,
    ! [SV288: $i,SV142: $i,SV267: $i,SV82: $i] :
      ( ( ( ~ ( in @ SV82 @ SV267 )
          | ~ ( in @ SV142 @ SV288 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV267 @ SV288 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1428]) ).

thf(1526,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ! [SY533: $i] :
            ( ! [SY534: $i] :
                ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY533 @ SY534 ) )
            | ( in @ SV82 @ SY533 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1429]) ).

thf(1527,plain,
    ! [SV142: $i,SV82: $i] :
      ( ( ! [SY535: $i,SY536: $i] :
            ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SY535 @ SY536 ) )
            | ( in @ SV142 @ SY536 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1430]) ).

thf(1528,plain,
    ! [SV289: $i] :
      ( ( ( empty @ SV289 )
        = $true )
      | ( ( ! [SY671: $i] :
              ( ~ ( element @ SY671 @ SV289 )
              | ( in @ SY671 @ SV289 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1431]) ).

thf(1529,plain,
    ! [SV290: $i] :
      ( ( ( empty @ SV290 )
        = $true )
      | ( ( ! [SY672: $i] :
              ( ~ ( in @ SY672 @ SV290 )
              | ( element @ SY672 @ SV290 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1432]) ).

thf(1530,plain,
    ! [SV291: $i] :
      ( ( ( ~ ( empty @ SV291 ) )
        = $true )
      | ( ( ! [SY673: $i] :
              ( ~ ( element @ SY673 @ SV291 )
              | ( empty @ SY673 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1433]) ).

thf(1531,plain,
    ! [SV292: $i] :
      ( ( ( ~ ( empty @ SV292 ) )
        = $true )
      | ( ( ! [SY674: $i] :
              ( ~ ( empty @ SY674 )
              | ( element @ SY674 @ SV292 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1434]) ).

thf(1532,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                    | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
                | ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                    | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
          | ~ ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
              | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
              | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1435]) ).

thf(1533,plain,
    ! [SV227: $i,SV83: $i,SV269: $i] :
      ( ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY657: $i] :
                    ( ~ ( in @ SY657 @ SV269 )
                    | ( in @ SY657 @ SV83 )
                    | ( in @ SY657 @ SV227 ) )
              | ~ ~ ( ~ ! [SY658: $i] :
                          ( ~ ( in @ SY658 @ SV83 )
                          | ( in @ SY658 @ SV269 ) )
                    | ~ ! [SY659: $i] :
                          ( ~ ( in @ SY659 @ SV227 )
                          | ( in @ SY659 @ SV269 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1436]) ).

thf(1534,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ( ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV178 ) )
        = $false )
      | ( ( subset @ SV178 @ SV228 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1437]) ).

thf(1535,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ( ~ ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV228 ) )
        = $false )
      | ( ( subset @ SV178 @ SV228 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1437]) ).

thf(1536,plain,
    ! [SV229: $i,SV179: $i,SV311: $i] :
      ( ( ( ~ ( in @ SV311 @ SV179 )
          | ( in @ SV311 @ SV229 ) )
        = $true )
      | ( ( subset @ SV179 @ SV229 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1438]) ).

thf(1537,plain,
    ! [SV312: $i,SV270: $i,SV143: $i,SV84: $i] :
      ( ( ( ( ( ordered_pair @ SV84 @ SV143 )
           != ( ordered_pair @ SV270 @ SV312 ) ) )
        = $true )
      | ( ( SV84 = SV270 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1439]) ).

thf(1538,plain,
    ! [SV293: $i,SV271: $i,SV143: $i,SV84: $i] :
      ( ( ( ( ( ordered_pair @ SV84 @ SV143 )
           != ( ordered_pair @ SV271 @ SV293 ) ) )
        = $true )
      | ( ( SV143 = SV293 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1440]) ).

thf(1539,plain,
    ! [SV85: $i,SV230: $i] :
      ( ( ( subset @ SV230 @ ( sK2_B @ SV85 ) )
        = $false )
      | ( ( are_equipotent @ SV230 @ ( sK2_B @ SV85 ) )
        = $true )
      | ( ( in @ SV230 @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1441]) ).

thf(1540,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ~ ( ~ ! [SY697: $i] :
                  ( ~ ( subset @ SY697 @ SV313 )
                  | ( in @ SY697 @ ( sK3_SY299 @ SV313 @ SV85 ) ) )
            | ~ ( in @ ( sK3_SY299 @ SV313 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
        | ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1442]) ).

thf(1541,plain,
    ! [SV85: $i] :
      ( ( ~ ! [SY466: $i,SY467: $i] :
              ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
              | ~ ( subset @ SY467 @ SY466 )
              | ( in @ SY467 @ ( sK2_B @ SV85 ) ) )
        | ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1443]) ).

thf(1542,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( ! [SY624: $i] :
                  ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SY624 )
                  | ~ ( in @ SY624 @ SV184 ) )
              | ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) ) )
        = $false )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1446]) ).

thf(1543,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
                  | ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) )
              | ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) ) )
        = $false )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1446]) ).

thf(1544,plain,
    ! [SV234: $i,SV185: $i] :
      ( ( ( ~ ! [SY625: $i] :
                ( ! [SY576: $i] :
                    ( ~ ( in @ SY625 @ SY576 )
                    | ~ ( in @ SY576 @ SV185 ) )
                | ( in @ SY625 @ SV234 ) )
          | ~ ! [SY627: $i] :
                ( ~ ( in @ SY627 @ SV234 )
                | ~ ( ~ ( in @ SY627 @ ( sK16_D @ SY627 @ SV234 @ SV185 ) )
                    | ~ ( in @ ( sK16_D @ SY627 @ SV234 @ SV185 ) @ SV185 ) ) ) )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1447]) ).

thf(1545,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ~ ( ~ ( ! [SY675: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SY675 ) @ SV86 )
                  | ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ ( sK41_SY325 @ SV294 @ SV86 ) ) @ SV86 )
                  | ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) ) ) )
        = $true )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1448]) ).

thf(1546,plain,
    ! [SV86: $i,SV295: $i] :
      ( ( ( ( SV295
           != ( relation_dom @ SV86 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY676: $i] :
                    ( ! [SY472: $i] :
                        ~ ( in @ ( ordered_pair @ SY676 @ SY472 ) @ SV86 )
                    | ( in @ SY676 @ SV295 ) )
              | ~ ! [SY678: $i] :
                    ( ~ ( in @ SY678 @ SV295 )
                    | ( in @ ( ordered_pair @ SY678 @ ( sK39_D @ SY678 @ SV295 @ SV86 ) ) @ SV86 ) ) ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1449]) ).

thf(1547,plain,
    ! [SV237: $i,SV188: $i] :
      ( ( ( subset @ SV188 @ SV237 )
        = $false )
      | ( ( SV188 = SV237 )
        = $true )
      | ( ( proper_subset @ SV188 @ SV237 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1452]) ).

thf(1548,plain,
    ! [SV314: $i,SV296: $i] :
      ( ( ~ ( proper_subset @ SV296 @ SV314 )
        | ( SV296 != SV314 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1453]) ).

thf(1549,plain,
    ! [SV315: $i,SV297: $i] :
      ( ( ~ ( proper_subset @ SV297 @ SV315 )
        | ( subset @ SV297 @ SV315 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1454]) ).

thf(1550,plain,
    ! [SV87: $i,SV238: $i] :
      ( ( ( subset @ SV238 @ ( sK32_B @ SV87 ) )
        = $false )
      | ( ( are_equipotent @ SV238 @ ( sK32_B @ SV87 ) )
        = $true )
      | ( ( in @ SV238 @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1455]) ).

thf(1551,plain,
    ! [SV87: $i,SV316: $i] :
      ( ( ~ ( in @ SV316 @ ( sK32_B @ SV87 ) )
        | ( in @ ( powerset @ SV316 ) @ ( sK32_B @ SV87 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1456]) ).

thf(1552,plain,
    ! [SV87: $i] :
      ( ( ~ ! [SY476: $i,SY477: $i] :
              ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
              | ~ ( subset @ SY477 @ SY476 )
              | ( in @ SY477 @ ( sK32_B @ SV87 ) ) )
        | ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1457]) ).

thf(1553,plain,
    ! [SV239: $i,SV191: $i] :
      ( ( ( SV191 = empty_set )
        = $true )
      | ( ( SV191
          = ( singleton @ SV239 ) )
        = $true )
      | ( ( subset @ SV191 @ ( singleton @ SV239 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1458]) ).

thf(1554,plain,
    ! [SV298: $i] :
      ( ( ( ( SV298 != empty_set ) )
        = $true )
      | ( ( ! [SY681: $i] : ( subset @ SV298 @ ( singleton @ SY681 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1459]) ).

thf(1555,plain,
    ! [SV317: $i,SV299: $i] :
      ( ( ( SV299
         != ( singleton @ SV317 ) )
        | ( subset @ SV299 @ ( singleton @ SV317 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1460]) ).

thf(1556,plain,
    ! [SV242: $i,SV272: $i,SV89: $i] :
      ( ( ( ~ ( in @ SV89 @ SV272 ) )
        = $true )
      | ( ( ~ ( in @ SV242 @ SV272 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV89 @ SV242 ) @ SV272 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1463]) ).

thf(1557,plain,
    ! [SV318: $i,SV89: $i] :
      ( ( ! [SY698: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV89 @ SV318 ) @ SY698 )
            | ( in @ SV89 @ SY698 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1464]) ).

thf(1558,plain,
    ! [SV319: $i,SV89: $i] :
      ( ( ! [SY699: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV89 @ SV319 ) @ SY699 )
            | ( in @ SV319 @ SY699 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1465]) ).

thf(1559,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( relation @ SV300 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) ) )
          | ( SV300
            = ( relation_inverse @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1466]) ).

thf(1560,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( ~ ( relation @ SV301 ) )
        = $true )
      | ( ( ( SV301
           != ( relation_inverse @ SV90 ) )
          | ~ ( ~ ! [SY683: $i,SY684: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
                    | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) )
              | ~ ! [SY685: $i,SY686: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
                    | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1467]) ).

thf(1561,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ~ ( ( ( sK29_C @ SV243 @ SV194 )
               != SV194 )
              | ~ ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) ) )
        = $false )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1468]) ).

thf(1562,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ~ ( ( ( sK29_C @ SV243 @ SV194 )
                = SV194 )
              | ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) ) )
        = $false )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1468]) ).

thf(1563,plain,
    ! [SV244: $i,SV195: $i] :
      ( ( ( ~ ! [SY629: $i] :
                ( ( SY629 != SV195 )
                | ( in @ SY629 @ SV244 ) )
          | ~ ! [SY630: $i] :
                ( ~ ( in @ SY630 @ SV244 )
                | ( SY630 = SV195 ) ) )
        = $false )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1469]) ).

thf(1564,plain,
    ! [SV245: $i,SV92: $i,SV273: $i] :
      ( ( ( relation @ SV273 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV92 @ SV245 ) @ SV273 )
          | ( in @ SV92 @ ( relation_field @ SV273 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1471]) ).

thf(1565,plain,
    ! [SV246: $i,SV92: $i,SV274: $i] :
      ( ( ( relation @ SV274 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV92 @ SV246 ) @ SV274 )
          | ( in @ SV246 @ ( relation_field @ SV274 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1472]) ).

thf(1566,plain,
    ! [SV247: $i,SV196: $i] :
      ( ( ( subset @ SV196 @ SV247 )
        = $false )
      | ( ( ~ ( subset @ SV247 @ SV196 ) )
        = $true )
      | ( ( SV196 = SV247 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1473]) ).

thf(1567,plain,
    ! [SV320: $i,SV302: $i] :
      ( ( ( SV302 != SV320 )
        | ( subset @ SV302 @ SV320 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1474]) ).

thf(1568,plain,
    ! [SV321: $i,SV303: $i] :
      ( ( ( SV303 != SV321 )
        | ( subset @ SV321 @ SV303 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1475]) ).

thf(1569,plain,
    ! [SV197: $i,SV248: $i] :
      ( ( ( ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV197 ) )
        = $false )
      | ( ( disjoint @ SV197 @ SV248 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1476]) ).

thf(1570,plain,
    ! [SV197: $i,SV248: $i] :
      ( ( ( ~ ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV248 ) )
        = $false )
      | ( ( disjoint @ SV197 @ SV248 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1476]) ).

thf(1571,plain,
    ! [SV249: $i,SV198: $i,SV304: $i] :
      ( ( ( ~ ( in @ SV304 @ SV198 ) )
        = $true )
      | ( ( ~ ( in @ SV304 @ SV249 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV198 @ SV249 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1477]) ).

thf(1572,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
              | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
              | ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
          | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
                    | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
                | ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
                    | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) ) )
        = $false )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1478]) ).

thf(1573,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY662: $i] :
                    ( ~ ( in @ SY662 @ SV93 )
                    | ( in @ SY662 @ SV251 )
                    | ( in @ SY662 @ SV276 ) )
              | ~ ~ ( ~ ! [SY663: $i] :
                          ( ~ ( in @ SY663 @ SV276 )
                          | ( in @ SY663 @ SV93 ) )
                    | ~ ! [SY664: $i] :
                          ( ~ ( in @ SY664 @ SV276 )
                          | ~ ( in @ SY664 @ SV251 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1479]) ).

thf(1574,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
        = $false )
      | ( ( ~ ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 ) )
        = $true )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1484]) ).

thf(1575,plain,
    ! [SV305: $i] :
      ( ( ( SV305 = empty_set )
        = $true )
      | ( ( ! [SY689: $i] :
              ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SY689 @ SV305 ) @ SV305 )
                          | ~ ~ ( in @ ( sK44_C @ SY689 @ SV305 ) @ ( sK45_SY326 @ SY689 @ SV305 ) ) )
                      | ~ ( in @ ( sK44_C @ SY689 @ SV305 ) @ SY689 ) )
                  | ~ ( ! [SY690: $i] :
                          ( ~ ( in @ SY690 @ SV305 )
                          | ( in @ ( sK44_C @ SY689 @ SV305 ) @ SY690 ) )
                      | ( in @ ( sK44_C @ SY689 @ SV305 ) @ SY689 ) ) )
              | ( SY689
                = ( set_meet @ SV305 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1486]) ).

thf(1576,plain,
    ! [SV306: $i] :
      ( ( ( SV306 = empty_set )
        = $true )
      | ( ( ! [SY691: $i] :
              ( ( SY691
               != ( set_meet @ SV306 ) )
              | ~ ( ~ ! [SY692: $i] :
                        ( ~ ( ~ ( in @ ( sK43_D @ SY692 @ SY691 @ SV306 ) @ SV306 )
                            | ~ ~ ( in @ SY692 @ ( sK43_D @ SY692 @ SY691 @ SV306 ) ) )
                        | ( in @ SY692 @ SY691 ) )
                  | ~ ! [SY693: $i] :
                        ( ~ ( in @ SY693 @ SY691 )
                        | ! [SY694: $i] :
                            ( ~ ( in @ SY694 @ SV306 )
                            | ( in @ SY693 @ SY694 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1487]) ).

thf(1577,plain,
    ! [SV307: $i] :
      ( ( ( ( SV307 != empty_set ) )
        = $true )
      | ( ( ! [SY695: $i] :
              ( ( SY695
               != ( set_meet @ SV307 ) )
              | ( SY695 = empty_set ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1488]) ).

thf(1578,plain,
    ! [SV308: $i] :
      ( ( ( ( SV308 != empty_set ) )
        = $true )
      | ( ( ! [SY696: $i] :
              ( ( SY696 != empty_set )
              | ( SY696
                = ( set_meet @ SV308 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1489]) ).

thf(1579,plain,
    ! [SV256: $i,SV95: $i,SV277: $i] :
      ( ( ( relation @ SV277 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV95 @ SV256 ) @ SV277 )
          | ( in @ SV95 @ ( relation_dom @ SV277 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1490]) ).

thf(1580,plain,
    ! [SV257: $i,SV95: $i,SV278: $i] :
      ( ( ( relation @ SV278 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV95 @ SV257 ) @ SV278 )
          | ( in @ SV257 @ ( relation_rng @ SV278 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1491]) ).

thf(1581,plain,
    ! [SV204: $i,SV309: $i] :
      ( ( ( in @ SV309 @ SV204 )
        = $false )
      | ( ( SV204 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1492]) ).

thf(1582,plain,
    ! [SV258: $i,SV322: $i,SV96: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV96 @ SV322 ) @ ( cartesian_product2 @ SV258 @ SV322 ) )
        = $true )
      | ( ( subset @ SV96 @ SV258 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1493]) ).

thf(1583,plain,
    ! [SV259: $i,SV96: $i,SV323: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV323 @ SV96 ) @ ( cartesian_product2 @ SV323 @ SV259 ) )
        = $true )
      | ( ( subset @ SV96 @ SV259 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1494]) ).

thf(1584,plain,
    ! [SV279: $i,SV210: $i,SV163: $i] :
      ( ( ( disjoint @ SV163 @ SV210 )
        = $false )
      | ( ( in @ SV279 @ ( set_intersection2 @ SV163 @ SV210 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1499]) ).

thf(1585,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
              | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
              | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) )
        = $false )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1500]) ).

thf(1586,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
                    | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
                | ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
                    | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) ) )
        = $false )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1500]) ).

thf(1587,plain,
    ! [SV261: $i,SV212: $i,SV74: $i] :
      ( ( ( ~ ! [SY643: $i] :
                ( ~ ( in @ SY643 @ SV74 )
                | ~ ( in @ SY643 @ SV212 )
                | ( in @ SY643 @ SV261 ) )
          | ~ ~ ( ~ ! [SY644: $i] :
                      ( ~ ( in @ SY644 @ SV261 )
                      | ( in @ SY644 @ SV74 ) )
                | ~ ! [SY645: $i] :
                      ( ~ ( in @ SY645 @ SV261 )
                      | ( in @ SY645 @ SV212 ) ) ) )
        = $false )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1501]) ).

thf(1588,plain,
    ! [SV280: $i,SV141: $i,SV262: $i,SV75: $i] :
      ( ( ( ~ ( in @ SV75 @ SV262 ) )
        = $true )
      | ( ( ~ ( in @ SV141 @ SV280 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV262 @ SV280 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1502]) ).

thf(1589,plain,
    ! [SV324: $i,SV141: $i,SV75: $i] :
      ( ( ! [SY700: $i] :
            ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV324 @ SY700 ) )
        | ( in @ SV75 @ SV324 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1503]) ).

thf(1590,plain,
    ! [SV325: $i,SV141: $i,SV75: $i] :
      ( ( ! [SY701: $i] :
            ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV325 @ SY701 ) )
            | ( in @ SV141 @ SY701 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1504]) ).

thf(1591,plain,
    ! [SV76: $i,SV281: $i] :
      ( ( ( relation @ SV281 )
        = $false )
      | ( ( ~ ( subset @ SV76 @ SV281 )
          | ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SV281 ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1505]) ).

thf(1592,plain,
    ! [SV76: $i,SV282: $i] :
      ( ( ( relation @ SV282 )
        = $false )
      | ( ( ~ ( subset @ SV76 @ SV282 )
          | ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SV282 ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1506]) ).

thf(1593,plain,
    ! [SV77: $i,SV166: $i] :
      ( ( ( ! [SY547: $i] :
              ( ~ ( relation @ SY547 )
              | ~ ( ~ ( ! [SY548: $i] :
                          ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ SY548 ) @ SV77 )
                          | ~ ( in @ ( ordered_pair @ SY548 @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                      | ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) ) @ SV77 )
                          | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SV166 ) )
                      | ( in @ ( ordered_pair @ ( sK10_D @ SY547 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SY547 @ SV166 @ SV77 ) ) @ SY547 ) ) )
              | ( SY547
                = ( relation_composition @ SV77 @ SV166 ) ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1507]) ).

thf(1594,plain,
    ! [SV166: $i,SV77: $i] :
      ( ( ( ! [SY549: $i] :
              ( ~ ( relation @ SY549 )
              | ( SY549
               != ( relation_composition @ SV77 @ SV166 ) )
              | ~ ( ~ ! [SY550: $i,SY551: $i] :
                        ( ! [SY552: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY550 @ SY552 ) @ SV77 )
                            | ~ ( in @ ( ordered_pair @ SY552 @ SY551 ) @ SV166 ) )
                        | ( in @ ( ordered_pair @ SY550 @ SY551 ) @ SY549 ) )
                  | ~ ! [SY553: $i,SY554: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY553 @ SY554 ) @ SY549 )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY553 @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) ) @ SV77 )
                            | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY554 @ SY553 @ SY549 @ SV166 @ SV77 ) @ SY554 ) @ SV166 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1508]) ).

thf(1595,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ~ ( ! [SY665: $i] :
                  ~ ( in @ ( ordered_pair @ SY665 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
              | ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SV283 @ SV78 ) @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
              | ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) ) )
        = $false )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1509]) ).

thf(1596,plain,
    ! [SV78: $i,SV284: $i] :
      ( ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY666: $i] :
                    ( ! [SY425: $i] :
                        ~ ( in @ ( ordered_pair @ SY425 @ SY666 ) @ SV78 )
                    | ( in @ SY666 @ SV284 ) )
              | ~ ! [SY668: $i] :
                    ( ~ ( in @ SY668 @ SV284 )
                    | ( in @ ( ordered_pair @ ( sK36_D @ SY668 @ SV284 @ SV78 ) @ SY668 ) @ SV78 ) ) ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1510]) ).

thf(1597,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                    | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                     != SV79 ) )
                | ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                    | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                     != SV215 ) ) ) )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1511]) ).

thf(1598,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                = SV79 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                = SV215 ) ) )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1511]) ).

thf(1599,plain,
    ! [SV216: $i,SV79: $i,SV264: $i] :
      ( ( ( ~ ! [SY647: $i] :
                ( ~ ( in @ SY647 @ SV264 )
                | ( SY647 = SV79 )
                | ( SY647 = SV216 ) )
          | ~ ~ ( ~ ! [SY648: $i] :
                      ( ( SY648 != SV79 )
                      | ( in @ SY648 @ SV264 ) )
                | ~ ! [SY649: $i] :
                      ( ( SY649 != SV216 )
                      | ( in @ SY649 @ SV264 ) ) ) )
        = $false )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1512]) ).

thf(1600,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( ~ ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
          | ~ ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) )
        = $true )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1513]) ).

thf(1601,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
          | ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) )
        = $true )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1514]) ).

thf(1602,plain,
    ! [SV168: $i,SV218: $i] :
      ( ( ( ~ ! [SY608: $i] :
                ( ~ ( in @ SY608 @ SV218 )
                | ( subset @ SY608 @ SV168 ) ) )
        = $false )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1515]) ).

thf(1603,plain,
    ! [SV218: $i,SV168: $i] :
      ( ( ( ~ ! [SY609: $i] :
                ( ~ ( subset @ SY609 @ SV168 )
                | ( in @ SY609 @ SV218 ) ) )
        = $false )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1515]) ).

thf(1604,plain,
    ! [SV326: $i,SV169: $i] :
      ( ( ( ! [SY702: $i] :
              ( ( sK48_B @ SV169 )
             != ( ordered_pair @ SV326 @ SY702 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1516]) ).

thf(1605,plain,
    ! [SV170: $i,SV285: $i] :
      ( ( ( in @ SV285 @ SV170 )
        = $false )
      | ( ( SV285
          = ( ordered_pair @ ( sK46_C @ SV285 @ SV170 ) @ ( sK47_SY328 @ SV285 @ SV170 ) ) )
        = $true )
      | ( ( relation @ SV170 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1518]) ).

thf(1606,plain,
    ! [SV286: $i] :
      ( ( ( SV286 = empty_set )
        = $false )
      | ( ( ! [SY669: $i] : ( subset @ SV286 @ ( singleton @ SY669 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1521]) ).

thf(1607,plain,
    ! [SV310: $i,SV287: $i] :
      ( ( ( ( SV287
           != ( singleton @ SV310 ) ) )
        = $true )
      | ( ( subset @ SV287 @ ( singleton @ SV310 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1522]) ).

thf(1608,plain,
    ! [SV265: $i,SV224: $i,SV81: $i] :
      ( ( ( ~ ( ! [SY650: $i,SY651: $i] :
                  ( ~ ( in @ SY650 @ SV81 )
                  | ~ ( in @ SY651 @ SV224 )
                  | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                   != ( ordered_pair @ SY650 @ SY651 ) ) )
              | ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) ) )
        = $false )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1523]) ).

thf(1609,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                        | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
                  | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
                   != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) )
              | ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) ) )
        = $false )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1523]) ).

thf(1610,plain,
    ! [SV266: $i,SV225: $i,SV81: $i] :
      ( ( ( ~ ! [SY652: $i] :
                ( ! [SY615: $i,SY616: $i] :
                    ( ~ ( in @ SY615 @ SV81 )
                    | ~ ( in @ SY616 @ SV225 )
                    | ( SY652
                     != ( ordered_pair @ SY615 @ SY616 ) ) )
                | ( in @ SY652 @ SV266 ) )
          | ~ ! [SY655: $i] :
                ( ~ ( in @ SY655 @ SV266 )
                | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                          | ~ ( in @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
                    | ( SY655
                     != ( ordered_pair @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) ) ) ) ) )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1524]) ).

thf(1611,plain,
    ! [SV288: $i,SV142: $i,SV267: $i,SV82: $i] :
      ( ( ( ~ ( in @ SV82 @ SV267 ) )
        = $true )
      | ( ( ~ ( in @ SV142 @ SV288 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV267 @ SV288 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1525]) ).

thf(1612,plain,
    ! [SV327: $i,SV142: $i,SV82: $i] :
      ( ( ! [SY703: $i] :
            ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV327 @ SY703 ) )
        | ( in @ SV82 @ SV327 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1526]) ).

thf(1613,plain,
    ! [SV328: $i,SV142: $i,SV82: $i] :
      ( ( ! [SY704: $i] :
            ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV328 @ SY704 ) )
            | ( in @ SV142 @ SY704 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1527]) ).

thf(1614,plain,
    ! [SV289: $i,SV329: $i] :
      ( ( ( ~ ( element @ SV329 @ SV289 )
          | ( in @ SV329 @ SV289 ) )
        = $true )
      | ( ( empty @ SV289 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1528]) ).

thf(1615,plain,
    ! [SV290: $i,SV330: $i] :
      ( ( ( ~ ( in @ SV330 @ SV290 )
          | ( element @ SV330 @ SV290 ) )
        = $true )
      | ( ( empty @ SV290 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1529]) ).

thf(1616,plain,
    ! [SV291: $i] :
      ( ( ( empty @ SV291 )
        = $false )
      | ( ( ! [SY673: $i] :
              ( ~ ( element @ SY673 @ SV291 )
              | ( empty @ SY673 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1530]) ).

thf(1617,plain,
    ! [SV292: $i] :
      ( ( ( empty @ SV292 )
        = $false )
      | ( ( ! [SY674: $i] :
              ( ~ ( empty @ SY674 )
              | ( element @ SY674 @ SV292 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1531]) ).

thf(1618,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                    | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
                | ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                    | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) ) )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1532]) ).

thf(1619,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
              | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
              | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1532]) ).

thf(1620,plain,
    ! [SV227: $i,SV83: $i,SV269: $i] :
      ( ( ( ~ ! [SY657: $i] :
                ( ~ ( in @ SY657 @ SV269 )
                | ( in @ SY657 @ SV83 )
                | ( in @ SY657 @ SV227 ) )
          | ~ ~ ( ~ ! [SY658: $i] :
                      ( ~ ( in @ SY658 @ SV83 )
                      | ( in @ SY658 @ SV269 ) )
                | ~ ! [SY659: $i] :
                      ( ~ ( in @ SY659 @ SV227 )
                      | ( in @ SY659 @ SV269 ) ) ) )
        = $false )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1533]) ).

thf(1621,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV178 )
        = $true )
      | ( ( subset @ SV178 @ SV228 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1534]) ).

thf(1622,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ( ~ ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV228 ) )
        = $true )
      | ( ( subset @ SV178 @ SV228 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1535]) ).

thf(1623,plain,
    ! [SV229: $i,SV179: $i,SV311: $i] :
      ( ( ( ~ ( in @ SV311 @ SV179 ) )
        = $true )
      | ( ( in @ SV311 @ SV229 )
        = $true )
      | ( ( subset @ SV179 @ SV229 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1536]) ).

thf(1624,plain,
    ! [SV312: $i,SV270: $i,SV143: $i,SV84: $i] :
      ( ( ( ( ordered_pair @ SV84 @ SV143 )
          = ( ordered_pair @ SV270 @ SV312 ) )
        = $false )
      | ( ( SV84 = SV270 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1537]) ).

thf(1625,plain,
    ! [SV293: $i,SV271: $i,SV143: $i,SV84: $i] :
      ( ( ( ( ordered_pair @ SV84 @ SV143 )
          = ( ordered_pair @ SV271 @ SV293 ) )
        = $false )
      | ( ( SV143 = SV293 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1538]) ).

thf(1626,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ( ~ ( ~ ! [SY697: $i] :
                    ( ~ ( subset @ SY697 @ SV313 )
                    | ( in @ SY697 @ ( sK3_SY299 @ SV313 @ SV85 ) ) )
              | ~ ( in @ ( sK3_SY299 @ SV313 @ SV85 ) @ ( sK2_B @ SV85 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1540]) ).

thf(1627,plain,
    ! [SV85: $i] :
      ( ( ~ ! [SY466: $i,SY467: $i] :
              ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
              | ~ ( subset @ SY467 @ SY466 )
              | ( in @ SY467 @ ( sK2_B @ SV85 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1541]) ).

thf(1628,plain,
    ! [SV85: $i] :
      ( ( ~ ( in @ SV85 @ ( sK2_B @ SV85 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1541]) ).

thf(1629,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ! [SY624: $i] :
              ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SY624 )
              | ~ ( in @ SY624 @ SV184 ) )
          | ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1542]) ).

thf(1630,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
              | ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) )
          | ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1543]) ).

thf(1631,plain,
    ! [SV234: $i,SV185: $i] :
      ( ( ( ~ ! [SY625: $i] :
                ( ! [SY576: $i] :
                    ( ~ ( in @ SY625 @ SY576 )
                    | ~ ( in @ SY576 @ SV185 ) )
                | ( in @ SY625 @ SV234 ) ) )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1544]) ).

thf(1632,plain,
    ! [SV185: $i,SV234: $i] :
      ( ( ( ~ ! [SY627: $i] :
                ( ~ ( in @ SY627 @ SV234 )
                | ~ ( ~ ( in @ SY627 @ ( sK16_D @ SY627 @ SV234 @ SV185 ) )
                    | ~ ( in @ ( sK16_D @ SY627 @ SV234 @ SV185 ) @ SV185 ) ) ) )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1544]) ).

thf(1633,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ~ ( ! [SY675: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SY675 ) @ SV86 )
              | ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ ( sK41_SY325 @ SV294 @ SV86 ) ) @ SV86 )
              | ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) ) )
        = $false )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1545]) ).

thf(1634,plain,
    ! [SV86: $i,SV295: $i] :
      ( ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY676: $i] :
                    ( ! [SY472: $i] :
                        ~ ( in @ ( ordered_pair @ SY676 @ SY472 ) @ SV86 )
                    | ( in @ SY676 @ SV295 ) )
              | ~ ! [SY678: $i] :
                    ( ~ ( in @ SY678 @ SV295 )
                    | ( in @ ( ordered_pair @ SY678 @ ( sK39_D @ SY678 @ SV295 @ SV86 ) ) @ SV86 ) ) ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1546]) ).

thf(1635,plain,
    ! [SV314: $i,SV296: $i] :
      ( ( ( ~ ( proper_subset @ SV296 @ SV314 ) )
        = $true )
      | ( ( ( SV296 != SV314 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1548]) ).

thf(1636,plain,
    ! [SV315: $i,SV297: $i] :
      ( ( ( ~ ( proper_subset @ SV297 @ SV315 ) )
        = $true )
      | ( ( subset @ SV297 @ SV315 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1549]) ).

thf(1637,plain,
    ! [SV87: $i,SV316: $i] :
      ( ( ( ~ ( in @ SV316 @ ( sK32_B @ SV87 ) ) )
        = $true )
      | ( ( in @ ( powerset @ SV316 ) @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1551]) ).

thf(1638,plain,
    ! [SV87: $i] :
      ( ( ~ ! [SY476: $i,SY477: $i] :
              ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
              | ~ ( subset @ SY477 @ SY476 )
              | ( in @ SY477 @ ( sK32_B @ SV87 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1552]) ).

thf(1639,plain,
    ! [SV87: $i] :
      ( ( ~ ( in @ SV87 @ ( sK32_B @ SV87 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1552]) ).

thf(1640,plain,
    ! [SV298: $i] :
      ( ( ( SV298 = empty_set )
        = $false )
      | ( ( ! [SY681: $i] : ( subset @ SV298 @ ( singleton @ SY681 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1554]) ).

thf(1641,plain,
    ! [SV317: $i,SV299: $i] :
      ( ( ( ( SV299
           != ( singleton @ SV317 ) ) )
        = $true )
      | ( ( subset @ SV299 @ ( singleton @ SV317 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1555]) ).

thf(1642,plain,
    ! [SV242: $i,SV272: $i,SV89: $i] :
      ( ( ( in @ SV89 @ SV272 )
        = $false )
      | ( ( ~ ( in @ SV242 @ SV272 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV89 @ SV242 ) @ SV272 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1556]) ).

thf(1643,plain,
    ! [SV331: $i,SV318: $i,SV89: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV89 @ SV318 ) @ SV331 )
        | ( in @ SV89 @ SV331 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1557]) ).

thf(1644,plain,
    ! [SV332: $i,SV319: $i,SV89: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV89 @ SV319 ) @ SV332 )
        | ( in @ SV319 @ SV332 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1558]) ).

thf(1645,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( relation @ SV300 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) ) )
          | ( SV300
            = ( relation_inverse @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1559]) ).

thf(1646,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( relation @ SV301 )
        = $false )
      | ( ( ( SV301
           != ( relation_inverse @ SV90 ) )
          | ~ ( ~ ! [SY683: $i,SY684: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
                    | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) )
              | ~ ! [SY685: $i,SY686: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
                    | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) ) )
        = $true )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1560]) ).

thf(1647,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ( ( sK29_C @ SV243 @ SV194 )
           != SV194 )
          | ~ ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) )
        = $true )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1561]) ).

thf(1648,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ( ( sK29_C @ SV243 @ SV194 )
            = SV194 )
          | ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) )
        = $true )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1562]) ).

thf(1649,plain,
    ! [SV244: $i,SV195: $i] :
      ( ( ( ~ ! [SY629: $i] :
                ( ( SY629 != SV195 )
                | ( in @ SY629 @ SV244 ) ) )
        = $false )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1563]) ).

thf(1650,plain,
    ! [SV195: $i,SV244: $i] :
      ( ( ( ~ ! [SY630: $i] :
                ( ~ ( in @ SY630 @ SV244 )
                | ( SY630 = SV195 ) ) )
        = $false )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1563]) ).

thf(1651,plain,
    ! [SV273: $i,SV245: $i,SV92: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV92 @ SV245 ) @ SV273 ) )
        = $true )
      | ( ( in @ SV92 @ ( relation_field @ SV273 ) )
        = $true )
      | ( ( relation @ SV273 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1564]) ).

thf(1652,plain,
    ! [SV274: $i,SV246: $i,SV92: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV92 @ SV246 ) @ SV274 ) )
        = $true )
      | ( ( in @ SV246 @ ( relation_field @ SV274 ) )
        = $true )
      | ( ( relation @ SV274 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1565]) ).

thf(1653,plain,
    ! [SV196: $i,SV247: $i] :
      ( ( ( subset @ SV247 @ SV196 )
        = $false )
      | ( ( subset @ SV196 @ SV247 )
        = $false )
      | ( ( SV196 = SV247 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1566]) ).

thf(1654,plain,
    ! [SV320: $i,SV302: $i] :
      ( ( ( ( SV302 != SV320 ) )
        = $true )
      | ( ( subset @ SV302 @ SV320 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1567]) ).

thf(1655,plain,
    ! [SV321: $i,SV303: $i] :
      ( ( ( ( SV303 != SV321 ) )
        = $true )
      | ( ( subset @ SV321 @ SV303 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1568]) ).

thf(1656,plain,
    ! [SV197: $i,SV248: $i] :
      ( ( ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV197 )
        = $true )
      | ( ( disjoint @ SV197 @ SV248 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1569]) ).

thf(1657,plain,
    ! [SV197: $i,SV248: $i] :
      ( ( ( in @ ( sK31_C @ SV248 @ SV197 ) @ SV248 )
        = $true )
      | ( ( disjoint @ SV197 @ SV248 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1570]) ).

thf(1658,plain,
    ! [SV249: $i,SV198: $i,SV304: $i] :
      ( ( ( in @ SV304 @ SV198 )
        = $false )
      | ( ( ~ ( in @ SV304 @ SV249 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV198 @ SV249 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1571]) ).

thf(1659,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
              | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
              | ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) )
        = $false )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1572]) ).

thf(1660,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
                    | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
                | ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
                    | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) ) )
        = $false )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1572]) ).

thf(1661,plain,
    ! [SV276: $i,SV251: $i,SV93: $i] :
      ( ( ( ~ ! [SY662: $i] :
                ( ~ ( in @ SY662 @ SV93 )
                | ( in @ SY662 @ SV251 )
                | ( in @ SY662 @ SV276 ) )
          | ~ ~ ( ~ ! [SY663: $i] :
                      ( ~ ( in @ SY663 @ SV276 )
                      | ( in @ SY663 @ SV93 ) )
                | ~ ! [SY664: $i] :
                      ( ~ ( in @ SY664 @ SV276 )
                      | ~ ( in @ SY664 @ SV251 ) ) ) )
        = $false )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1573]) ).

thf(1662,plain,
    ! [SV94: $i,SV145: $i] :
      ( ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV145 )
        = $false )
      | ( ( in @ ( sK4_C @ SV145 @ SV94 ) @ SV94 )
        = $false )
      | ( ( SV94 = SV145 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1574]) ).

thf(1663,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
                      | ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
                  | ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
              | ~ ( ! [SY705: $i] :
                      ( ~ ( in @ SY705 @ SV305 )
                      | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SY705 ) )
                  | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) ) )
          | ( SV333
            = ( set_meet @ SV305 ) ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1575]) ).

thf(1664,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( ( SV334
           != ( set_meet @ SV306 ) )
          | ~ ( ~ ! [SY706: $i] :
                    ( ~ ( ~ ( in @ ( sK43_D @ SY706 @ SV334 @ SV306 ) @ SV306 )
                        | ~ ~ ( in @ SY706 @ ( sK43_D @ SY706 @ SV334 @ SV306 ) ) )
                    | ( in @ SY706 @ SV334 ) )
              | ~ ! [SY707: $i] :
                    ( ~ ( in @ SY707 @ SV334 )
                    | ! [SY694: $i] :
                        ( ~ ( in @ SY694 @ SV306 )
                        | ( in @ SY707 @ SY694 ) ) ) ) )
        = $true )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1576]) ).

thf(1665,plain,
    ! [SV307: $i] :
      ( ( ( SV307 = empty_set )
        = $false )
      | ( ( ! [SY695: $i] :
              ( ( SY695
               != ( set_meet @ SV307 ) )
              | ( SY695 = empty_set ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1577]) ).

thf(1666,plain,
    ! [SV308: $i] :
      ( ( ( SV308 = empty_set )
        = $false )
      | ( ( ! [SY696: $i] :
              ( ( SY696 != empty_set )
              | ( SY696
                = ( set_meet @ SV308 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1578]) ).

thf(1667,plain,
    ! [SV277: $i,SV256: $i,SV95: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV95 @ SV256 ) @ SV277 ) )
        = $true )
      | ( ( in @ SV95 @ ( relation_dom @ SV277 ) )
        = $true )
      | ( ( relation @ SV277 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1579]) ).

thf(1668,plain,
    ! [SV278: $i,SV257: $i,SV95: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV95 @ SV257 ) @ SV278 ) )
        = $true )
      | ( ( in @ SV257 @ ( relation_rng @ SV278 ) )
        = $true )
      | ( ( relation @ SV278 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1580]) ).

thf(1669,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
          | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
          | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1585]) ).

thf(1670,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
                  | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
              | ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
                  | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1586]) ).

thf(1671,plain,
    ! [SV261: $i,SV212: $i,SV74: $i] :
      ( ( ( ~ ! [SY643: $i] :
                ( ~ ( in @ SY643 @ SV74 )
                | ~ ( in @ SY643 @ SV212 )
                | ( in @ SY643 @ SV261 ) ) )
        = $false )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1587]) ).

thf(1672,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( ~ ~ ( ~ ! [SY644: $i] :
                      ( ~ ( in @ SY644 @ SV261 )
                      | ( in @ SY644 @ SV74 ) )
                | ~ ! [SY645: $i] :
                      ( ~ ( in @ SY645 @ SV261 )
                      | ( in @ SY645 @ SV212 ) ) ) )
        = $false )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1587]) ).

thf(1673,plain,
    ! [SV280: $i,SV141: $i,SV262: $i,SV75: $i] :
      ( ( ( in @ SV75 @ SV262 )
        = $false )
      | ( ( ~ ( in @ SV141 @ SV280 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV262 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1588]) ).

thf(1674,plain,
    ! [SV324: $i,SV141: $i,SV75: $i] :
      ( ( ( ! [SY700: $i] :
              ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV324 @ SY700 ) ) )
        = $true )
      | ( ( in @ SV75 @ SV324 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1589]) ).

thf(1675,plain,
    ! [SV335: $i,SV325: $i,SV141: $i,SV75: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV325 @ SV335 ) )
        | ( in @ SV141 @ SV335 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1590]) ).

thf(1676,plain,
    ! [SV281: $i,SV76: $i] :
      ( ( ( ~ ( subset @ SV76 @ SV281 ) )
        = $true )
      | ( ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SV281 ) )
        = $true )
      | ( ( relation @ SV281 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1591]) ).

thf(1677,plain,
    ! [SV282: $i,SV76: $i] :
      ( ( ( ~ ( subset @ SV76 @ SV282 ) )
        = $true )
      | ( ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SV282 ) )
        = $true )
      | ( ( relation @ SV282 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1592]) ).

thf(1678,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( relation @ SV336 )
          | ~ ( ~ ( ! [SY709: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) ) )
          | ( SV336
            = ( relation_composition @ SV77 @ SV166 ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1593]) ).

thf(1679,plain,
    ! [SV166: $i,SV77: $i,SV337: $i] :
      ( ( ( ~ ( relation @ SV337 )
          | ( SV337
           != ( relation_composition @ SV77 @ SV166 ) )
          | ~ ( ~ ! [SY710: $i,SY711: $i] :
                    ( ! [SY552: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
                    | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) )
              | ~ ! [SY713: $i,SY714: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1594]) ).

thf(1680,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ~ ( ! [SY665: $i] :
                  ~ ( in @ ( ordered_pair @ SY665 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
              | ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) ) )
        = $false )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1595]) ).

thf(1681,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SV283 @ SV78 ) @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
              | ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) ) )
        = $false )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1595]) ).

thf(1682,plain,
    ! [SV284: $i,SV78: $i] :
      ( ( ( ~ ! [SY666: $i] :
                ( ! [SY425: $i] :
                    ~ ( in @ ( ordered_pair @ SY425 @ SY666 ) @ SV78 )
                | ( in @ SY666 @ SV284 ) )
          | ~ ! [SY668: $i] :
                ( ~ ( in @ SY668 @ SV284 )
                | ( in @ ( ordered_pair @ ( sK36_D @ SY668 @ SV284 @ SV78 ) @ SY668 ) @ SV78 ) ) )
        = $false )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1596]) ).

thf(1683,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                  | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                   != SV79 ) )
              | ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
                  | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
                   != SV215 ) ) ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1597]) ).

thf(1684,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
          | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
            = SV79 )
          | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
            = SV215 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1598]) ).

thf(1685,plain,
    ! [SV216: $i,SV79: $i,SV264: $i] :
      ( ( ( ~ ! [SY647: $i] :
                ( ~ ( in @ SY647 @ SV264 )
                | ( SY647 = SV79 )
                | ( SY647 = SV216 ) ) )
        = $false )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1599]) ).

thf(1686,plain,
    ! [SV216: $i,SV264: $i,SV79: $i] :
      ( ( ( ~ ~ ( ~ ! [SY648: $i] :
                      ( ( SY648 != SV79 )
                      | ( in @ SY648 @ SV264 ) )
                | ~ ! [SY649: $i] :
                      ( ( SY649 != SV216 )
                      | ( in @ SY649 @ SV264 ) ) ) )
        = $false )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1599]) ).

thf(1687,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( ~ ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 ) )
        = $true )
      | ( ( ~ ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) )
        = $true )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1600]) ).

thf(1688,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
        = $true )
      | ( ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 )
        = $true )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1601]) ).

thf(1689,plain,
    ! [SV168: $i,SV218: $i] :
      ( ( ( ! [SY608: $i] :
              ( ~ ( in @ SY608 @ SV218 )
              | ( subset @ SY608 @ SV168 ) ) )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1602]) ).

thf(1690,plain,
    ! [SV218: $i,SV168: $i] :
      ( ( ( ! [SY609: $i] :
              ( ~ ( subset @ SY609 @ SV168 )
              | ( in @ SY609 @ SV218 ) ) )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1603]) ).

thf(1691,plain,
    ! [SV338: $i,SV326: $i,SV169: $i] :
      ( ( ( ( ( sK48_B @ SV169 )
           != ( ordered_pair @ SV326 @ SV338 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1604]) ).

thf(1692,plain,
    ! [SV339: $i,SV286: $i] :
      ( ( ( subset @ SV286 @ ( singleton @ SV339 ) )
        = $true )
      | ( ( SV286 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1606]) ).

thf(1693,plain,
    ! [SV310: $i,SV287: $i] :
      ( ( ( SV287
          = ( singleton @ SV310 ) )
        = $false )
      | ( ( subset @ SV287 @ ( singleton @ SV310 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1607]) ).

thf(1694,plain,
    ! [SV265: $i,SV224: $i,SV81: $i] :
      ( ( ( ! [SY650: $i,SY651: $i] :
              ( ~ ( in @ SY650 @ SV81 )
              | ~ ( in @ SY651 @ SV224 )
              | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
               != ( ordered_pair @ SY650 @ SY651 ) ) )
          | ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1608]) ).

thf(1695,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                    | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
              | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
               != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) )
          | ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1609]) ).

thf(1696,plain,
    ! [SV266: $i,SV225: $i,SV81: $i] :
      ( ( ( ~ ! [SY652: $i] :
                ( ! [SY615: $i,SY616: $i] :
                    ( ~ ( in @ SY615 @ SV81 )
                    | ~ ( in @ SY616 @ SV225 )
                    | ( SY652
                     != ( ordered_pair @ SY615 @ SY616 ) ) )
                | ( in @ SY652 @ SV266 ) ) )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1610]) ).

thf(1697,plain,
    ! [SV81: $i,SV225: $i,SV266: $i] :
      ( ( ( ~ ! [SY655: $i] :
                ( ~ ( in @ SY655 @ SV266 )
                | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                          | ~ ( in @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
                    | ( SY655
                     != ( ordered_pair @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) ) ) ) ) )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1610]) ).

thf(1698,plain,
    ! [SV288: $i,SV142: $i,SV267: $i,SV82: $i] :
      ( ( ( in @ SV82 @ SV267 )
        = $false )
      | ( ( ~ ( in @ SV142 @ SV288 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV267 @ SV288 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1611]) ).

thf(1699,plain,
    ! [SV327: $i,SV142: $i,SV82: $i] :
      ( ( ( ! [SY703: $i] :
              ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV327 @ SY703 ) ) )
        = $true )
      | ( ( in @ SV82 @ SV327 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1612]) ).

thf(1700,plain,
    ! [SV340: $i,SV328: $i,SV142: $i,SV82: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV328 @ SV340 ) )
        | ( in @ SV142 @ SV340 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1613]) ).

thf(1701,plain,
    ! [SV289: $i,SV329: $i] :
      ( ( ( ~ ( element @ SV329 @ SV289 ) )
        = $true )
      | ( ( in @ SV329 @ SV289 )
        = $true )
      | ( ( empty @ SV289 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1614]) ).

thf(1702,plain,
    ! [SV290: $i,SV330: $i] :
      ( ( ( ~ ( in @ SV330 @ SV290 ) )
        = $true )
      | ( ( element @ SV330 @ SV290 )
        = $true )
      | ( ( empty @ SV290 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1615]) ).

thf(1703,plain,
    ! [SV291: $i,SV341: $i] :
      ( ( ( ~ ( element @ SV341 @ SV291 )
          | ( empty @ SV341 ) )
        = $true )
      | ( ( empty @ SV291 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1616]) ).

thf(1704,plain,
    ! [SV292: $i,SV342: $i] :
      ( ( ( ~ ( empty @ SV342 )
          | ( element @ SV342 @ SV292 ) )
        = $true )
      | ( ( empty @ SV292 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1617]) ).

thf(1705,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                  | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
              | ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
                  | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1618]) ).

thf(1706,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
          | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
          | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1619]) ).

thf(1707,plain,
    ! [SV227: $i,SV83: $i,SV269: $i] :
      ( ( ( ~ ! [SY657: $i] :
                ( ~ ( in @ SY657 @ SV269 )
                | ( in @ SY657 @ SV83 )
                | ( in @ SY657 @ SV227 ) ) )
        = $false )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1620]) ).

thf(1708,plain,
    ! [SV227: $i,SV269: $i,SV83: $i] :
      ( ( ( ~ ~ ( ~ ! [SY658: $i] :
                      ( ~ ( in @ SY658 @ SV83 )
                      | ( in @ SY658 @ SV269 ) )
                | ~ ! [SY659: $i] :
                      ( ~ ( in @ SY659 @ SV227 )
                      | ( in @ SY659 @ SV269 ) ) ) )
        = $false )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1620]) ).

thf(1709,plain,
    ! [SV178: $i,SV228: $i] :
      ( ( ( in @ ( sK20_C @ SV228 @ SV178 ) @ SV228 )
        = $false )
      | ( ( subset @ SV178 @ SV228 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1622]) ).

thf(1710,plain,
    ! [SV229: $i,SV179: $i,SV311: $i] :
      ( ( ( in @ SV311 @ SV179 )
        = $false )
      | ( ( in @ SV311 @ SV229 )
        = $true )
      | ( ( subset @ SV179 @ SV229 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1623]) ).

thf(1711,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ( ~ ! [SY697: $i] :
                ( ~ ( subset @ SY697 @ SV313 )
                | ( in @ SY697 @ ( sK3_SY299 @ SV313 @ SV85 ) ) )
          | ~ ( in @ ( sK3_SY299 @ SV313 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
        = $false )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1626]) ).

thf(1712,plain,
    ! [SV85: $i] :
      ( ( ! [SY466: $i,SY467: $i] :
            ( ~ ( in @ SY466 @ ( sK2_B @ SV85 ) )
            | ~ ( subset @ SY467 @ SY466 )
            | ( in @ SY467 @ ( sK2_B @ SV85 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1627]) ).

thf(1713,plain,
    ! [SV85: $i] :
      ( ( in @ SV85 @ ( sK2_B @ SV85 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1628]) ).

thf(1714,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ! [SY624: $i] :
              ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SY624 )
              | ~ ( in @ SY624 @ SV184 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1629]) ).

thf(1715,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
              | ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) ) )
        = $true )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1630]) ).

thf(1716,plain,
    ! [SV234: $i,SV185: $i] :
      ( ( ( ! [SY625: $i] :
              ( ! [SY576: $i] :
                  ( ~ ( in @ SY625 @ SY576 )
                  | ~ ( in @ SY576 @ SV185 ) )
              | ( in @ SY625 @ SV234 ) ) )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1631]) ).

thf(1717,plain,
    ! [SV185: $i,SV234: $i] :
      ( ( ( ! [SY627: $i] :
              ( ~ ( in @ SY627 @ SV234 )
              | ~ ( ~ ( in @ SY627 @ ( sK16_D @ SY627 @ SV234 @ SV185 ) )
                  | ~ ( in @ ( sK16_D @ SY627 @ SV234 @ SV185 ) @ SV185 ) ) ) )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1632]) ).

thf(1718,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ~ ( ! [SY675: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SY675 ) @ SV86 )
              | ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) ) )
        = $false )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1719,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ ( sK41_SY325 @ SV294 @ SV86 ) ) @ SV86 )
              | ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) ) )
        = $false )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1720,plain,
    ! [SV295: $i,SV86: $i] :
      ( ( ( ~ ! [SY676: $i] :
                ( ! [SY472: $i] :
                    ~ ( in @ ( ordered_pair @ SY676 @ SY472 ) @ SV86 )
                | ( in @ SY676 @ SV295 ) )
          | ~ ! [SY678: $i] :
                ( ~ ( in @ SY678 @ SV295 )
                | ( in @ ( ordered_pair @ SY678 @ ( sK39_D @ SY678 @ SV295 @ SV86 ) ) @ SV86 ) ) )
        = $false )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1634]) ).

thf(1721,plain,
    ! [SV314: $i,SV296: $i] :
      ( ( ( proper_subset @ SV296 @ SV314 )
        = $false )
      | ( ( ( SV296 != SV314 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1635]) ).

thf(1722,plain,
    ! [SV315: $i,SV297: $i] :
      ( ( ( proper_subset @ SV297 @ SV315 )
        = $false )
      | ( ( subset @ SV297 @ SV315 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1636]) ).

thf(1723,plain,
    ! [SV87: $i,SV316: $i] :
      ( ( ( in @ SV316 @ ( sK32_B @ SV87 ) )
        = $false )
      | ( ( in @ ( powerset @ SV316 ) @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1637]) ).

thf(1724,plain,
    ! [SV87: $i] :
      ( ( ! [SY476: $i,SY477: $i] :
            ( ~ ( in @ SY476 @ ( sK32_B @ SV87 ) )
            | ~ ( subset @ SY477 @ SY476 )
            | ( in @ SY477 @ ( sK32_B @ SV87 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1638]) ).

thf(1725,plain,
    ! [SV87: $i] :
      ( ( in @ SV87 @ ( sK32_B @ SV87 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1639]) ).

thf(1726,plain,
    ! [SV343: $i,SV298: $i] :
      ( ( ( subset @ SV298 @ ( singleton @ SV343 ) )
        = $true )
      | ( ( SV298 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1640]) ).

thf(1727,plain,
    ! [SV317: $i,SV299: $i] :
      ( ( ( SV299
          = ( singleton @ SV317 ) )
        = $false )
      | ( ( subset @ SV299 @ ( singleton @ SV317 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1641]) ).

thf(1728,plain,
    ! [SV89: $i,SV272: $i,SV242: $i] :
      ( ( ( in @ SV242 @ SV272 )
        = $false )
      | ( ( in @ SV89 @ SV272 )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV89 @ SV242 ) @ SV272 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1642]) ).

thf(1729,plain,
    ! [SV331: $i,SV318: $i,SV89: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV89 @ SV318 ) @ SV331 ) )
        = $true )
      | ( ( in @ SV89 @ SV331 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1643]) ).

thf(1730,plain,
    ! [SV332: $i,SV319: $i,SV89: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV89 @ SV319 ) @ SV332 ) )
        = $true )
      | ( ( in @ SV319 @ SV332 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1644]) ).

thf(1731,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
                  | ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) ) ) )
        = $true )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1645]) ).

thf(1732,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( ( SV301
           != ( relation_inverse @ SV90 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY683: $i,SY684: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
                    | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) )
              | ~ ! [SY685: $i,SY686: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
                    | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) ) )
        = $true )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1646]) ).

thf(1733,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ( ( sK29_C @ SV243 @ SV194 )
           != SV194 ) )
        = $true )
      | ( ( ~ ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) )
        = $true )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1647]) ).

thf(1734,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ( sK29_C @ SV243 @ SV194 )
          = SV194 )
        = $true )
      | ( ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 )
        = $true )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1648]) ).

thf(1735,plain,
    ! [SV244: $i,SV195: $i] :
      ( ( ( ! [SY629: $i] :
              ( ( SY629 != SV195 )
              | ( in @ SY629 @ SV244 ) ) )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1649]) ).

thf(1736,plain,
    ! [SV195: $i,SV244: $i] :
      ( ( ( ! [SY630: $i] :
              ( ~ ( in @ SY630 @ SV244 )
              | ( SY630 = SV195 ) ) )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1650]) ).

thf(1737,plain,
    ! [SV273: $i,SV245: $i,SV92: $i] :
      ( ( ( in @ ( ordered_pair @ SV92 @ SV245 ) @ SV273 )
        = $false )
      | ( ( in @ SV92 @ ( relation_field @ SV273 ) )
        = $true )
      | ( ( relation @ SV273 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1651]) ).

thf(1738,plain,
    ! [SV274: $i,SV246: $i,SV92: $i] :
      ( ( ( in @ ( ordered_pair @ SV92 @ SV246 ) @ SV274 )
        = $false )
      | ( ( in @ SV246 @ ( relation_field @ SV274 ) )
        = $true )
      | ( ( relation @ SV274 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1652]) ).

thf(1739,plain,
    ! [SV320: $i,SV302: $i] :
      ( ( ( SV302 = SV320 )
        = $false )
      | ( ( subset @ SV302 @ SV320 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1654]) ).

thf(1740,plain,
    ! [SV321: $i,SV303: $i] :
      ( ( ( SV303 = SV321 )
        = $false )
      | ( ( subset @ SV321 @ SV303 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1655]) ).

thf(1741,plain,
    ! [SV198: $i,SV249: $i,SV304: $i] :
      ( ( ( in @ SV304 @ SV249 )
        = $false )
      | ( ( in @ SV304 @ SV198 )
        = $false )
      | ( ( ~ ( disjoint @ SV198 @ SV249 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1658]) ).

thf(1742,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
          | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
          | ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1659]) ).

thf(1743,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
                  | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
              | ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
                  | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1660]) ).

thf(1744,plain,
    ! [SV276: $i,SV251: $i,SV93: $i] :
      ( ( ( ~ ! [SY662: $i] :
                ( ~ ( in @ SY662 @ SV93 )
                | ( in @ SY662 @ SV251 )
                | ( in @ SY662 @ SV276 ) ) )
        = $false )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1661]) ).

thf(1745,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( ~ ~ ( ~ ! [SY663: $i] :
                      ( ~ ( in @ SY663 @ SV276 )
                      | ( in @ SY663 @ SV93 ) )
                | ~ ! [SY664: $i] :
                      ( ~ ( in @ SY664 @ SV276 )
                      | ~ ( in @ SY664 @ SV251 ) ) ) )
        = $false )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1661]) ).

thf(1746,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
                      | ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
                  | ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
              | ~ ( ! [SY705: $i] :
                      ( ~ ( in @ SY705 @ SV305 )
                      | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SY705 ) )
                  | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) ) ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1663]) ).

thf(1747,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( ( SV334
           != ( set_meet @ SV306 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY706: $i] :
                    ( ~ ( ~ ( in @ ( sK43_D @ SY706 @ SV334 @ SV306 ) @ SV306 )
                        | ~ ~ ( in @ SY706 @ ( sK43_D @ SY706 @ SV334 @ SV306 ) ) )
                    | ( in @ SY706 @ SV334 ) )
              | ~ ! [SY707: $i] :
                    ( ~ ( in @ SY707 @ SV334 )
                    | ! [SY694: $i] :
                        ( ~ ( in @ SY694 @ SV306 )
                        | ( in @ SY707 @ SY694 ) ) ) ) )
        = $true )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1664]) ).

thf(1748,plain,
    ! [SV307: $i,SV344: $i] :
      ( ( ( ( SV344
           != ( set_meet @ SV307 ) )
          | ( SV344 = empty_set ) )
        = $true )
      | ( ( SV307 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1665]) ).

thf(1749,plain,
    ! [SV308: $i,SV345: $i] :
      ( ( ( ( SV345 != empty_set )
          | ( SV345
            = ( set_meet @ SV308 ) ) )
        = $true )
      | ( ( SV308 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1666]) ).

thf(1750,plain,
    ! [SV277: $i,SV256: $i,SV95: $i] :
      ( ( ( in @ ( ordered_pair @ SV95 @ SV256 ) @ SV277 )
        = $false )
      | ( ( in @ SV95 @ ( relation_dom @ SV277 ) )
        = $true )
      | ( ( relation @ SV277 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1667]) ).

thf(1751,plain,
    ! [SV278: $i,SV257: $i,SV95: $i] :
      ( ( ( in @ ( ordered_pair @ SV95 @ SV257 ) @ SV278 )
        = $false )
      | ( ( in @ SV257 @ ( relation_rng @ SV278 ) )
        = $true )
      | ( ( relation @ SV278 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1668]) ).

thf(1752,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
          | ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 ) )
        = $true )
      | ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1669]) ).

thf(1753,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
              | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
          | ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
              | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) )
        = $false )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1670]) ).

thf(1754,plain,
    ! [SV261: $i,SV212: $i,SV74: $i] :
      ( ( ( ! [SY643: $i] :
              ( ~ ( in @ SY643 @ SV74 )
              | ~ ( in @ SY643 @ SV212 )
              | ( in @ SY643 @ SV261 ) ) )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1671]) ).

thf(1755,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( ~ ( ~ ! [SY644: $i] :
                    ( ~ ( in @ SY644 @ SV261 )
                    | ( in @ SY644 @ SV74 ) )
              | ~ ! [SY645: $i] :
                    ( ~ ( in @ SY645 @ SV261 )
                    | ( in @ SY645 @ SV212 ) ) ) )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1672]) ).

thf(1756,plain,
    ! [SV262: $i,SV75: $i,SV280: $i,SV141: $i] :
      ( ( ( in @ SV141 @ SV280 )
        = $false )
      | ( ( in @ SV75 @ SV262 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV262 @ SV280 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1673]) ).

thf(1757,plain,
    ! [SV346: $i,SV324: $i,SV141: $i,SV75: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV324 @ SV346 ) ) )
        = $true )
      | ( ( in @ SV75 @ SV324 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1674]) ).

thf(1758,plain,
    ! [SV335: $i,SV325: $i,SV141: $i,SV75: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV325 @ SV335 ) ) )
        = $true )
      | ( ( in @ SV141 @ SV335 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1675]) ).

thf(1759,plain,
    ! [SV281: $i,SV76: $i] :
      ( ( ( subset @ SV76 @ SV281 )
        = $false )
      | ( ( subset @ ( relation_dom @ SV76 ) @ ( relation_dom @ SV281 ) )
        = $true )
      | ( ( relation @ SV281 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1676]) ).

thf(1760,plain,
    ! [SV282: $i,SV76: $i] :
      ( ( ( subset @ SV76 @ SV282 )
        = $false )
      | ( ( subset @ ( relation_rng @ SV76 ) @ ( relation_rng @ SV282 ) )
        = $true )
      | ( ( relation @ SV282 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1677]) ).

thf(1761,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( relation @ SV336 ) )
        = $true )
      | ( ( ~ ( ~ ( ! [SY709: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) ) )
          | ( SV336
            = ( relation_composition @ SV77 @ SV166 ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1678]) ).

thf(1762,plain,
    ! [SV166: $i,SV77: $i,SV337: $i] :
      ( ( ( ~ ( relation @ SV337 ) )
        = $true )
      | ( ( ( SV337
           != ( relation_composition @ SV77 @ SV166 ) )
          | ~ ( ~ ! [SY710: $i,SY711: $i] :
                    ( ! [SY552: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
                    | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) )
              | ~ ! [SY713: $i,SY714: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1679]) ).

thf(1763,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ! [SY665: $i] :
              ~ ( in @ ( ordered_pair @ SY665 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
          | ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
        = $true )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1680]) ).

thf(1764,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SV283 @ SV78 ) @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
          | ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
        = $true )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1681]) ).

thf(1765,plain,
    ! [SV284: $i,SV78: $i] :
      ( ( ( ~ ! [SY666: $i] :
                ( ! [SY425: $i] :
                    ~ ( in @ ( ordered_pair @ SY425 @ SY666 ) @ SV78 )
                | ( in @ SY666 @ SV284 ) ) )
        = $false )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1682]) ).

thf(1766,plain,
    ! [SV78: $i,SV284: $i] :
      ( ( ( ~ ! [SY668: $i] :
                ( ~ ( in @ SY668 @ SV284 )
                | ( in @ ( ordered_pair @ ( sK36_D @ SY668 @ SV284 @ SV78 ) @ SY668 ) @ SV78 ) ) )
        = $false )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1682]) ).

thf(1767,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
               != SV79 ) )
          | ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
               != SV215 ) ) )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1683]) ).

thf(1768,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
        = $true )
      | ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
            = SV79 )
          | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
            = SV215 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1684]) ).

thf(1769,plain,
    ! [SV216: $i,SV79: $i,SV264: $i] :
      ( ( ( ! [SY647: $i] :
              ( ~ ( in @ SY647 @ SV264 )
              | ( SY647 = SV79 )
              | ( SY647 = SV216 ) ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1685]) ).

thf(1770,plain,
    ! [SV216: $i,SV264: $i,SV79: $i] :
      ( ( ( ~ ( ~ ! [SY648: $i] :
                    ( ( SY648 != SV79 )
                    | ( in @ SY648 @ SV264 ) )
              | ~ ! [SY649: $i] :
                    ( ( SY649 != SV216 )
                    | ( in @ SY649 @ SV264 ) ) ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1686]) ).

thf(1771,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
        = $false )
      | ( ( ~ ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 ) )
        = $true )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1687]) ).

thf(1772,plain,
    ! [SV168: $i,SV218: $i,SV347: $i] :
      ( ( ( ~ ( in @ SV347 @ SV218 )
          | ( subset @ SV347 @ SV168 ) )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1689]) ).

thf(1773,plain,
    ! [SV218: $i,SV168: $i,SV348: $i] :
      ( ( ( ~ ( subset @ SV348 @ SV168 )
          | ( in @ SV348 @ SV218 ) )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1690]) ).

thf(1774,plain,
    ! [SV338: $i,SV326: $i,SV169: $i] :
      ( ( ( ( sK48_B @ SV169 )
          = ( ordered_pair @ SV326 @ SV338 ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1691]) ).

thf(1775,plain,
    ! [SV265: $i,SV224: $i,SV81: $i] :
      ( ( ( ! [SY650: $i,SY651: $i] :
              ( ~ ( in @ SY650 @ SV81 )
              | ~ ( in @ SY651 @ SV224 )
              | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
               != ( ordered_pair @ SY650 @ SY651 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1694]) ).

thf(1776,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                    | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
              | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
               != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1695]) ).

thf(1777,plain,
    ! [SV266: $i,SV225: $i,SV81: $i] :
      ( ( ( ! [SY652: $i] :
              ( ! [SY615: $i,SY616: $i] :
                  ( ~ ( in @ SY615 @ SV81 )
                  | ~ ( in @ SY616 @ SV225 )
                  | ( SY652
                   != ( ordered_pair @ SY615 @ SY616 ) ) )
              | ( in @ SY652 @ SV266 ) ) )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1696]) ).

thf(1778,plain,
    ! [SV81: $i,SV225: $i,SV266: $i] :
      ( ( ( ! [SY655: $i] :
              ( ~ ( in @ SY655 @ SV266 )
              | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                        | ~ ( in @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
                  | ( SY655
                   != ( ordered_pair @ ( sK21_E @ SY655 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SY655 @ SV266 @ SV225 @ SV81 ) ) ) ) ) )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1697]) ).

thf(1779,plain,
    ! [SV267: $i,SV82: $i,SV288: $i,SV142: $i] :
      ( ( ( in @ SV142 @ SV288 )
        = $false )
      | ( ( in @ SV82 @ SV267 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV267 @ SV288 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1698]) ).

thf(1780,plain,
    ! [SV349: $i,SV327: $i,SV142: $i,SV82: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV327 @ SV349 ) ) )
        = $true )
      | ( ( in @ SV82 @ SV327 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1699]) ).

thf(1781,plain,
    ! [SV340: $i,SV328: $i,SV142: $i,SV82: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV328 @ SV340 ) ) )
        = $true )
      | ( ( in @ SV142 @ SV340 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1700]) ).

thf(1782,plain,
    ! [SV289: $i,SV329: $i] :
      ( ( ( element @ SV329 @ SV289 )
        = $false )
      | ( ( in @ SV329 @ SV289 )
        = $true )
      | ( ( empty @ SV289 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1701]) ).

thf(1783,plain,
    ! [SV290: $i,SV330: $i] :
      ( ( ( in @ SV330 @ SV290 )
        = $false )
      | ( ( element @ SV330 @ SV290 )
        = $true )
      | ( ( empty @ SV290 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1702]) ).

thf(1784,plain,
    ! [SV291: $i,SV341: $i] :
      ( ( ( ~ ( element @ SV341 @ SV291 ) )
        = $true )
      | ( ( empty @ SV341 )
        = $true )
      | ( ( empty @ SV291 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1703]) ).

thf(1785,plain,
    ! [SV292: $i,SV342: $i] :
      ( ( ( ~ ( empty @ SV342 ) )
        = $true )
      | ( ( element @ SV342 @ SV292 )
        = $true )
      | ( ( empty @ SV292 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1704]) ).

thf(1786,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
              | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
          | ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
              | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1705]) ).

thf(1787,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
        = $true )
      | ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
          | ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1706]) ).

thf(1788,plain,
    ! [SV227: $i,SV83: $i,SV269: $i] :
      ( ( ( ! [SY657: $i] :
              ( ~ ( in @ SY657 @ SV269 )
              | ( in @ SY657 @ SV83 )
              | ( in @ SY657 @ SV227 ) ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1707]) ).

thf(1789,plain,
    ! [SV227: $i,SV269: $i,SV83: $i] :
      ( ( ( ~ ( ~ ! [SY658: $i] :
                    ( ~ ( in @ SY658 @ SV83 )
                    | ( in @ SY658 @ SV269 ) )
              | ~ ! [SY659: $i] :
                    ( ~ ( in @ SY659 @ SV227 )
                    | ( in @ SY659 @ SV269 ) ) ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1708]) ).

thf(1790,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ( ~ ! [SY697: $i] :
                ( ~ ( subset @ SY697 @ SV313 )
                | ( in @ SY697 @ ( sK3_SY299 @ SV313 @ SV85 ) ) ) )
        = $false )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1711]) ).

thf(1791,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ( ~ ( in @ ( sK3_SY299 @ SV313 @ SV85 ) @ ( sK2_B @ SV85 ) ) )
        = $false )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1711]) ).

thf(1792,plain,
    ! [SV85: $i,SV350: $i] :
      ( ( ! [SY715: $i] :
            ( ~ ( in @ SV350 @ ( sK2_B @ SV85 ) )
            | ~ ( subset @ SY715 @ SV350 )
            | ( in @ SY715 @ ( sK2_B @ SV85 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1712]) ).

thf(1793,plain,
    ! [SV351: $i,SV184: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV351 )
          | ~ ( in @ SV351 @ SV184 ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1714]) ).

thf(1794,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
          | ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) )
        = $false )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1715]) ).

thf(1795,plain,
    ! [SV234: $i,SV185: $i,SV352: $i] :
      ( ( ( ! [SY716: $i] :
              ( ~ ( in @ SV352 @ SY716 )
              | ~ ( in @ SY716 @ SV185 ) )
          | ( in @ SV352 @ SV234 ) )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1716]) ).

thf(1796,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( ~ ( in @ SV353 @ SV234 )
          | ~ ( ~ ( in @ SV353 @ ( sK16_D @ SV353 @ SV234 @ SV185 ) )
              | ~ ( in @ ( sK16_D @ SV353 @ SV234 @ SV185 ) @ SV185 ) ) )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1717]) ).

thf(1797,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ! [SY675: $i] :
              ~ ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SY675 ) @ SV86 )
          | ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
        = $true )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1718]) ).

thf(1798,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ ( sK41_SY325 @ SV294 @ SV86 ) ) @ SV86 )
          | ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
        = $true )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1719]) ).

thf(1799,plain,
    ! [SV295: $i,SV86: $i] :
      ( ( ( ~ ! [SY676: $i] :
                ( ! [SY472: $i] :
                    ~ ( in @ ( ordered_pair @ SY676 @ SY472 ) @ SV86 )
                | ( in @ SY676 @ SV295 ) ) )
        = $false )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1720]) ).

thf(1800,plain,
    ! [SV86: $i,SV295: $i] :
      ( ( ( ~ ! [SY678: $i] :
                ( ~ ( in @ SY678 @ SV295 )
                | ( in @ ( ordered_pair @ SY678 @ ( sK39_D @ SY678 @ SV295 @ SV86 ) ) @ SV86 ) ) )
        = $false )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1720]) ).

thf(1801,plain,
    ! [SV314: $i,SV296: $i] :
      ( ( ( SV296 = SV314 )
        = $false )
      | ( ( proper_subset @ SV296 @ SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1721]) ).

thf(1802,plain,
    ! [SV87: $i,SV354: $i] :
      ( ( ! [SY717: $i] :
            ( ~ ( in @ SV354 @ ( sK32_B @ SV87 ) )
            | ~ ( subset @ SY717 @ SV354 )
            | ( in @ SY717 @ ( sK32_B @ SV87 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1724]) ).

thf(1803,plain,
    ! [SV331: $i,SV318: $i,SV89: $i] :
      ( ( ( subset @ ( unordered_pair @ SV89 @ SV318 ) @ SV331 )
        = $false )
      | ( ( in @ SV89 @ SV331 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1729]) ).

thf(1804,plain,
    ! [SV332: $i,SV319: $i,SV89: $i] :
      ( ( ( subset @ ( unordered_pair @ SV89 @ SV319 ) @ SV332 )
        = $false )
      | ( ( in @ SV319 @ SV332 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1730]) ).

thf(1805,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
              | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
              | ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) ) )
        = $false )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1731]) ).

thf(1806,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY683: $i,SY684: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
                    | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) )
              | ~ ! [SY685: $i,SY686: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
                    | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) ) )
        = $true )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1732]) ).

thf(1807,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( ( sK29_C @ SV243 @ SV194 )
          = SV194 )
        = $false )
      | ( ( ~ ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 ) )
        = $true )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1733]) ).

thf(1808,plain,
    ! [SV244: $i,SV195: $i,SV355: $i] :
      ( ( ( ( SV355 != SV195 )
          | ( in @ SV355 @ SV244 ) )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1735]) ).

thf(1809,plain,
    ! [SV195: $i,SV244: $i,SV356: $i] :
      ( ( ( ~ ( in @ SV356 @ SV244 )
          | ( SV356 = SV195 ) )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1736]) ).

thf(1810,plain,
    ! [SV304: $i,SV249: $i,SV198: $i] :
      ( ( ( disjoint @ SV198 @ SV249 )
        = $false )
      | ( ( in @ SV304 @ SV198 )
        = $false )
      | ( ( in @ SV304 @ SV249 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1741]) ).

thf(1811,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
          | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 ) )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1742]) ).

thf(1812,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
              | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
          | ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
              | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) )
        = $false )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1743]) ).

thf(1813,plain,
    ! [SV276: $i,SV251: $i,SV93: $i] :
      ( ( ( ! [SY662: $i] :
              ( ~ ( in @ SY662 @ SV93 )
              | ( in @ SY662 @ SV251 )
              | ( in @ SY662 @ SV276 ) ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1744]) ).

thf(1814,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( ~ ( ~ ! [SY663: $i] :
                    ( ~ ( in @ SY663 @ SV276 )
                    | ( in @ SY663 @ SV93 ) )
              | ~ ! [SY664: $i] :
                    ( ~ ( in @ SY664 @ SV276 )
                    | ~ ( in @ SY664 @ SV251 ) ) ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1745]) ).

thf(1815,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
                  | ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
              | ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
          | ~ ( ! [SY705: $i] :
                  ( ~ ( in @ SY705 @ SV305 )
                  | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SY705 ) )
              | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) ) )
        = $false )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1746]) ).

thf(1816,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY706: $i] :
                    ( ~ ( ~ ( in @ ( sK43_D @ SY706 @ SV334 @ SV306 ) @ SV306 )
                        | ~ ~ ( in @ SY706 @ ( sK43_D @ SY706 @ SV334 @ SV306 ) ) )
                    | ( in @ SY706 @ SV334 ) )
              | ~ ! [SY707: $i] :
                    ( ~ ( in @ SY707 @ SV334 )
                    | ! [SY694: $i] :
                        ( ~ ( in @ SY694 @ SV306 )
                        | ( in @ SY707 @ SY694 ) ) ) ) )
        = $true )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1747]) ).

thf(1817,plain,
    ! [SV307: $i,SV344: $i] :
      ( ( ( ( SV344
           != ( set_meet @ SV307 ) ) )
        = $true )
      | ( ( SV344 = empty_set )
        = $true )
      | ( ( SV307 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1748]) ).

thf(1818,plain,
    ! [SV308: $i,SV345: $i] :
      ( ( ( ( SV345 != empty_set ) )
        = $true )
      | ( ( SV345
          = ( set_meet @ SV308 ) )
        = $true )
      | ( ( SV308 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1749]) ).

thf(1819,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 ) )
        = $true )
      | ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 ) )
        = $true )
      | ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1752]) ).

thf(1820,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
              | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) )
        = $false )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1753]) ).

thf(1821,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ~ ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
              | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) ) )
        = $false )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1753]) ).

thf(1822,plain,
    ! [SV261: $i,SV212: $i,SV74: $i,SV357: $i] :
      ( ( ( ~ ( in @ SV357 @ SV74 )
          | ~ ( in @ SV357 @ SV212 )
          | ( in @ SV357 @ SV261 ) )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1754]) ).

thf(1823,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( ~ ! [SY644: $i] :
                ( ~ ( in @ SY644 @ SV261 )
                | ( in @ SY644 @ SV74 ) )
          | ~ ! [SY645: $i] :
                ( ~ ( in @ SY645 @ SV261 )
                | ( in @ SY645 @ SV212 ) ) )
        = $false )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1755]) ).

thf(1824,plain,
    ! [SV346: $i,SV324: $i,SV141: $i,SV75: $i] :
      ( ( ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV324 @ SV346 ) )
        = $false )
      | ( ( in @ SV75 @ SV324 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1757]) ).

thf(1825,plain,
    ! [SV335: $i,SV325: $i,SV141: $i,SV75: $i] :
      ( ( ( in @ ( ordered_pair @ SV75 @ SV141 ) @ ( cartesian_product2 @ SV325 @ SV335 ) )
        = $false )
      | ( ( in @ SV141 @ SV335 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1758]) ).

thf(1826,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( relation @ SV336 )
        = $false )
      | ( ( ~ ( ~ ( ! [SY709: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) ) )
          | ( SV336
            = ( relation_composition @ SV77 @ SV166 ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1761]) ).

thf(1827,plain,
    ! [SV166: $i,SV77: $i,SV337: $i] :
      ( ( ( relation @ SV337 )
        = $false )
      | ( ( ( SV337
           != ( relation_composition @ SV77 @ SV166 ) )
          | ~ ( ~ ! [SY710: $i,SY711: $i] :
                    ( ! [SY552: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
                    | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) )
              | ~ ! [SY713: $i,SY714: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) ) )
        = $true )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1762]) ).

thf(1828,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( ! [SY665: $i] :
              ~ ( in @ ( ordered_pair @ SY665 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 ) )
        = $true )
      | ( ( ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
        = $true )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1763]) ).

thf(1829,plain,
    ! [SV78: $i,SV283: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK38_SY323 @ SV283 @ SV78 ) @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
        = $true )
      | ( ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 )
        = $true )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1764]) ).

thf(1830,plain,
    ! [SV284: $i,SV78: $i] :
      ( ( ( ! [SY666: $i] :
              ( ! [SY425: $i] :
                  ~ ( in @ ( ordered_pair @ SY425 @ SY666 ) @ SV78 )
              | ( in @ SY666 @ SV284 ) ) )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1765]) ).

thf(1831,plain,
    ! [SV78: $i,SV284: $i] :
      ( ( ( ! [SY668: $i] :
              ( ~ ( in @ SY668 @ SV284 )
              | ( in @ ( ordered_pair @ ( sK36_D @ SY668 @ SV284 @ SV78 ) @ SY668 ) @ SV78 ) ) )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1766]) ).

thf(1832,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
               != SV79 ) ) )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1767]) ).

thf(1833,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
              | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
               != SV215 ) ) )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1767]) ).

thf(1834,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
          = SV79 )
        = $true )
      | ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
          = SV215 )
        = $true )
      | ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1768]) ).

thf(1835,plain,
    ! [SV216: $i,SV79: $i,SV264: $i,SV358: $i] :
      ( ( ( ~ ( in @ SV358 @ SV264 )
          | ( SV358 = SV79 )
          | ( SV358 = SV216 ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1769]) ).

thf(1836,plain,
    ! [SV216: $i,SV264: $i,SV79: $i] :
      ( ( ( ~ ! [SY648: $i] :
                ( ( SY648 != SV79 )
                | ( in @ SY648 @ SV264 ) )
          | ~ ! [SY649: $i] :
                ( ( SY649 != SV216 )
                | ( in @ SY649 @ SV264 ) ) )
        = $false )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1770]) ).

thf(1837,plain,
    ! [SV167: $i,SV217: $i] :
      ( ( ( subset @ ( sK28_C @ SV217 @ SV167 ) @ SV167 )
        = $false )
      | ( ( in @ ( sK28_C @ SV217 @ SV167 ) @ SV217 )
        = $false )
      | ( ( SV217
          = ( powerset @ SV167 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1771]) ).

thf(1838,plain,
    ! [SV168: $i,SV218: $i,SV347: $i] :
      ( ( ( ~ ( in @ SV347 @ SV218 ) )
        = $true )
      | ( ( subset @ SV347 @ SV168 )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1772]) ).

thf(1839,plain,
    ! [SV218: $i,SV168: $i,SV348: $i] :
      ( ( ( ~ ( subset @ SV348 @ SV168 ) )
        = $true )
      | ( ( in @ SV348 @ SV218 )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1773]) ).

thf(1840,plain,
    ! [SV265: $i,SV224: $i,SV81: $i,SV359: $i] :
      ( ( ( ! [SY718: $i] :
              ( ~ ( in @ SV359 @ SV81 )
              | ~ ( in @ SY718 @ SV224 )
              | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
               != ( ordered_pair @ SV359 @ SY718 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1775]) ).

thf(1841,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
          | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
           != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) )
        = $false )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1776]) ).

thf(1842,plain,
    ! [SV266: $i,SV360: $i,SV225: $i,SV81: $i] :
      ( ( ( ! [SY719: $i,SY720: $i] :
              ( ~ ( in @ SY719 @ SV81 )
              | ~ ( in @ SY720 @ SV225 )
              | ( SV360
               != ( ordered_pair @ SY719 @ SY720 ) ) )
          | ( in @ SV360 @ SV266 ) )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1777]) ).

thf(1843,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ( in @ SV361 @ SV266 )
          | ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                    | ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
              | ( SV361
               != ( ordered_pair @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) ) ) ) )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1778]) ).

thf(1844,plain,
    ! [SV349: $i,SV327: $i,SV142: $i,SV82: $i] :
      ( ( ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV327 @ SV349 ) )
        = $false )
      | ( ( in @ SV82 @ SV327 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1780]) ).

thf(1845,plain,
    ! [SV340: $i,SV328: $i,SV142: $i,SV82: $i] :
      ( ( ( in @ ( ordered_pair @ SV82 @ SV142 ) @ ( cartesian_product2 @ SV328 @ SV340 ) )
        = $false )
      | ( ( in @ SV142 @ SV340 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1781]) ).

thf(1846,plain,
    ! [SV291: $i,SV341: $i] :
      ( ( ( element @ SV341 @ SV291 )
        = $false )
      | ( ( empty @ SV341 )
        = $true )
      | ( ( empty @ SV291 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1784]) ).

thf(1847,plain,
    ! [SV292: $i,SV342: $i] :
      ( ( ( empty @ SV342 )
        = $false )
      | ( ( element @ SV342 @ SV292 )
        = $true )
      | ( ( empty @ SV292 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1785]) ).

thf(1848,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
              | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) ) )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1786]) ).

thf(1849,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
              | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) ) )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1786]) ).

thf(1850,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
        = $true )
      | ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 )
        = $true )
      | ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1787]) ).

thf(1851,plain,
    ! [SV227: $i,SV83: $i,SV269: $i,SV362: $i] :
      ( ( ( ~ ( in @ SV362 @ SV269 )
          | ( in @ SV362 @ SV83 )
          | ( in @ SV362 @ SV227 ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1788]) ).

thf(1852,plain,
    ! [SV227: $i,SV269: $i,SV83: $i] :
      ( ( ( ~ ! [SY658: $i] :
                ( ~ ( in @ SY658 @ SV83 )
                | ( in @ SY658 @ SV269 ) )
          | ~ ! [SY659: $i] :
                ( ~ ( in @ SY659 @ SV227 )
                | ( in @ SY659 @ SV269 ) ) )
        = $false )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1789]) ).

thf(1853,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ( ! [SY697: $i] :
              ( ~ ( subset @ SY697 @ SV313 )
              | ( in @ SY697 @ ( sK3_SY299 @ SV313 @ SV85 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1790]) ).

thf(1854,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ( in @ ( sK3_SY299 @ SV313 @ SV85 ) @ ( sK2_B @ SV85 ) )
        = $true )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1791]) ).

thf(1855,plain,
    ! [SV363: $i,SV85: $i,SV350: $i] :
      ( ( ~ ( in @ SV350 @ ( sK2_B @ SV85 ) )
        | ~ ( subset @ SV363 @ SV350 )
        | ( in @ SV363 @ ( sK2_B @ SV85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1792]) ).

thf(1856,plain,
    ! [SV351: $i,SV184: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV351 ) )
        = $true )
      | ( ( ~ ( in @ SV351 @ SV184 ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1793]) ).

thf(1857,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) ) )
        = $false )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1794]) ).

thf(1858,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 ) )
        = $false )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1794]) ).

thf(1859,plain,
    ! [SV234: $i,SV185: $i,SV352: $i] :
      ( ( ( ! [SY716: $i] :
              ( ~ ( in @ SV352 @ SY716 )
              | ~ ( in @ SY716 @ SV185 ) ) )
        = $true )
      | ( ( in @ SV352 @ SV234 )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1795]) ).

thf(1860,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( ~ ( in @ SV353 @ SV234 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV353 @ ( sK16_D @ SV353 @ SV234 @ SV185 ) )
              | ~ ( in @ ( sK16_D @ SV353 @ SV234 @ SV185 ) @ SV185 ) ) )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1796]) ).

thf(1861,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( ! [SY675: $i] :
              ~ ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SY675 ) @ SV86 ) )
        = $true )
      | ( ( ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
        = $true )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1797]) ).

thf(1862,plain,
    ! [SV86: $i,SV294: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ ( sK41_SY325 @ SV294 @ SV86 ) ) @ SV86 )
        = $true )
      | ( ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 )
        = $true )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1798]) ).

thf(1863,plain,
    ! [SV295: $i,SV86: $i] :
      ( ( ( ! [SY676: $i] :
              ( ! [SY472: $i] :
                  ~ ( in @ ( ordered_pair @ SY676 @ SY472 ) @ SV86 )
              | ( in @ SY676 @ SV295 ) ) )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1799]) ).

thf(1864,plain,
    ! [SV86: $i,SV295: $i] :
      ( ( ( ! [SY678: $i] :
              ( ~ ( in @ SY678 @ SV295 )
              | ( in @ ( ordered_pair @ SY678 @ ( sK39_D @ SY678 @ SV295 @ SV86 ) ) @ SV86 ) ) )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1800]) ).

thf(1865,plain,
    ! [SV364: $i,SV87: $i,SV354: $i] :
      ( ( ~ ( in @ SV354 @ ( sK32_B @ SV87 ) )
        | ~ ( subset @ SV364 @ SV354 )
        | ( in @ SV364 @ ( sK32_B @ SV87 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1802]) ).

thf(1866,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
              | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) ) )
        = $false )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1805]) ).

thf(1867,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
              | ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) ) )
        = $false )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1805]) ).

thf(1868,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( ~ ! [SY683: $i,SY684: $i] :
                ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
                | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) )
          | ~ ! [SY685: $i,SY686: $i] :
                ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
                | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) )
        = $false )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1806]) ).

thf(1869,plain,
    ! [SV194: $i,SV243: $i] :
      ( ( ( in @ ( sK29_C @ SV243 @ SV194 ) @ SV243 )
        = $false )
      | ( ( ( sK29_C @ SV243 @ SV194 )
          = SV194 )
        = $false )
      | ( ( SV243
          = ( singleton @ SV194 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1807]) ).

thf(1870,plain,
    ! [SV244: $i,SV195: $i,SV355: $i] :
      ( ( ( ( SV355 != SV195 ) )
        = $true )
      | ( ( in @ SV355 @ SV244 )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1808]) ).

thf(1871,plain,
    ! [SV195: $i,SV244: $i,SV356: $i] :
      ( ( ( ~ ( in @ SV356 @ SV244 ) )
        = $true )
      | ( ( SV356 = SV195 )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1809]) ).

thf(1872,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 ) )
        = $true )
      | ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1811]) ).

thf(1873,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
              | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) )
        = $false )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1812]) ).

thf(1874,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
              | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) ) )
        = $false )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1812]) ).

thf(1875,plain,
    ! [SV276: $i,SV251: $i,SV93: $i,SV365: $i] :
      ( ( ( ~ ( in @ SV365 @ SV93 )
          | ( in @ SV365 @ SV251 )
          | ( in @ SV365 @ SV276 ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1813]) ).

thf(1876,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( ~ ! [SY663: $i] :
                ( ~ ( in @ SY663 @ SV276 )
                | ( in @ SY663 @ SV93 ) )
          | ~ ! [SY664: $i] :
                ( ~ ( in @ SY664 @ SV276 )
                | ~ ( in @ SY664 @ SV251 ) ) )
        = $false )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1814]) ).

thf(1877,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
                  | ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
              | ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) ) )
        = $false )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1815]) ).

thf(1878,plain,
    ! [SV333: $i,SV305: $i] :
      ( ( ( ~ ( ! [SY705: $i] :
                  ( ~ ( in @ SY705 @ SV305 )
                  | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SY705 ) )
              | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) ) )
        = $false )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1815]) ).

thf(1879,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( ~ ! [SY706: $i] :
                ( ~ ( ~ ( in @ ( sK43_D @ SY706 @ SV334 @ SV306 ) @ SV306 )
                    | ~ ~ ( in @ SY706 @ ( sK43_D @ SY706 @ SV334 @ SV306 ) ) )
                | ( in @ SY706 @ SV334 ) )
          | ~ ! [SY707: $i] :
                ( ~ ( in @ SY707 @ SV334 )
                | ! [SY694: $i] :
                    ( ~ ( in @ SY694 @ SV306 )
                    | ( in @ SY707 @ SY694 ) ) ) )
        = $false )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1816]) ).

thf(1880,plain,
    ! [SV307: $i,SV344: $i] :
      ( ( ( SV344
          = ( set_meet @ SV307 ) )
        = $false )
      | ( ( SV344 = empty_set )
        = $true )
      | ( ( SV307 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1817]) ).

thf(1881,plain,
    ! [SV308: $i,SV345: $i] :
      ( ( ( SV345 = empty_set )
        = $false )
      | ( ( SV345
          = ( set_meet @ SV308 ) )
        = $true )
      | ( ( SV308 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1818]) ).

thf(1882,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
        = $false )
      | ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 ) )
        = $true )
      | ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1819]) ).

thf(1883,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
          | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1820]) ).

thf(1884,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
          | ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1821]) ).

thf(1885,plain,
    ! [SV261: $i,SV212: $i,SV74: $i,SV357: $i] :
      ( ( ( ~ ( in @ SV357 @ SV74 )
          | ~ ( in @ SV357 @ SV212 ) )
        = $true )
      | ( ( in @ SV357 @ SV261 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1822]) ).

thf(1886,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( ~ ! [SY644: $i] :
                ( ~ ( in @ SY644 @ SV261 )
                | ( in @ SY644 @ SV74 ) ) )
        = $false )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1823]) ).

thf(1887,plain,
    ! [SV74: $i,SV212: $i,SV261: $i] :
      ( ( ( ~ ! [SY645: $i] :
                ( ~ ( in @ SY645 @ SV261 )
                | ( in @ SY645 @ SV212 ) ) )
        = $false )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1823]) ).

thf(1888,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( ~ ( ! [SY709: $i] :
                      ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
                      | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
                  | ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) ) ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1826]) ).

thf(1889,plain,
    ! [SV166: $i,SV77: $i,SV337: $i] :
      ( ( ( ( SV337
           != ( relation_composition @ SV77 @ SV166 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY710: $i,SY711: $i] :
                    ( ! [SY552: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
                    | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) )
              | ~ ! [SY713: $i,SY714: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) ) )
        = $true )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1827]) ).

thf(1890,plain,
    ! [SV78: $i,SV283: $i,SV366: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV366 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 ) )
        = $true )
      | ( ( ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
        = $true )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1828]) ).

thf(1891,plain,
    ! [SV284: $i,SV78: $i,SV367: $i] :
      ( ( ( ! [SY721: $i] :
              ~ ( in @ ( ordered_pair @ SY721 @ SV367 ) @ SV78 )
          | ( in @ SV367 @ SV284 ) )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1830]) ).

thf(1892,plain,
    ! [SV78: $i,SV284: $i,SV368: $i] :
      ( ( ( ~ ( in @ SV368 @ SV284 )
          | ( in @ ( ordered_pair @ ( sK36_D @ SV368 @ SV284 @ SV78 ) @ SV368 ) @ SV78 ) )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1831]) ).

thf(1893,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
          | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
           != SV79 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1832]) ).

thf(1894,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
          | ( ( sK27_D @ SV263 @ SV215 @ SV79 )
           != SV215 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1833]) ).

thf(1895,plain,
    ! [SV216: $i,SV79: $i,SV264: $i,SV358: $i] :
      ( ( ( ~ ( in @ SV358 @ SV264 ) )
        = $true )
      | ( ( ( SV358 = SV79 )
          | ( SV358 = SV216 ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1835]) ).

thf(1896,plain,
    ! [SV216: $i,SV264: $i,SV79: $i] :
      ( ( ( ~ ! [SY648: $i] :
                ( ( SY648 != SV79 )
                | ( in @ SY648 @ SV264 ) ) )
        = $false )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(1897,plain,
    ! [SV79: $i,SV264: $i,SV216: $i] :
      ( ( ( ~ ! [SY649: $i] :
                ( ( SY649 != SV216 )
                | ( in @ SY649 @ SV264 ) ) )
        = $false )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(1898,plain,
    ! [SV168: $i,SV218: $i,SV347: $i] :
      ( ( ( in @ SV347 @ SV218 )
        = $false )
      | ( ( subset @ SV347 @ SV168 )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1838]) ).

thf(1899,plain,
    ! [SV218: $i,SV168: $i,SV348: $i] :
      ( ( ( subset @ SV348 @ SV168 )
        = $false )
      | ( ( in @ SV348 @ SV218 )
        = $true )
      | ( ( SV218
          = ( powerset @ SV168 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1839]) ).

thf(1900,plain,
    ! [SV265: $i,SV224: $i,SV369: $i,SV81: $i,SV359: $i] :
      ( ( ( ~ ( in @ SV359 @ SV81 )
          | ~ ( in @ SV369 @ SV224 )
          | ( ( sK23_D @ SV265 @ SV224 @ SV81 )
           != ( ordered_pair @ SV359 @ SV369 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1840]) ).

thf(1901,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
                | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) ) )
        = $false )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1841]) ).

thf(1902,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
           != ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) ) )
        = $false )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1841]) ).

thf(1903,plain,
    ! [SV266: $i,SV360: $i,SV225: $i,SV81: $i] :
      ( ( ( ! [SY719: $i,SY720: $i] :
              ( ~ ( in @ SY719 @ SV81 )
              | ~ ( in @ SY720 @ SV225 )
              | ( SV360
               != ( ordered_pair @ SY719 @ SY720 ) ) ) )
        = $true )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1842]) ).

thf(1904,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ( in @ SV361 @ SV266 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                    | ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
              | ( SV361
               != ( ordered_pair @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) ) ) ) )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1843]) ).

thf(1905,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
          | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1848]) ).

thf(1906,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
          | ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1849]) ).

thf(1907,plain,
    ! [SV227: $i,SV83: $i,SV269: $i,SV362: $i] :
      ( ( ( ~ ( in @ SV362 @ SV269 ) )
        = $true )
      | ( ( ( in @ SV362 @ SV83 )
          | ( in @ SV362 @ SV227 ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1851]) ).

thf(1908,plain,
    ! [SV227: $i,SV269: $i,SV83: $i] :
      ( ( ( ~ ! [SY658: $i] :
                ( ~ ( in @ SY658 @ SV83 )
                | ( in @ SY658 @ SV269 ) ) )
        = $false )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1852]) ).

thf(1909,plain,
    ! [SV83: $i,SV269: $i,SV227: $i] :
      ( ( ( ~ ! [SY659: $i] :
                ( ~ ( in @ SY659 @ SV227 )
                | ( in @ SY659 @ SV269 ) ) )
        = $false )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1852]) ).

thf(1910,plain,
    ! [SV85: $i,SV313: $i,SV370: $i] :
      ( ( ( ~ ( subset @ SV370 @ SV313 )
          | ( in @ SV370 @ ( sK3_SY299 @ SV313 @ SV85 ) ) )
        = $true )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1853]) ).

thf(1911,plain,
    ! [SV85: $i,SV313: $i] :
      ( ( ( in @ SV313 @ ( sK2_B @ SV85 ) )
        = $false )
      | ( ( in @ ( sK3_SY299 @ SV313 @ SV85 ) @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1854]) ).

thf(1912,plain,
    ! [SV363: $i,SV85: $i,SV350: $i] :
      ( ( ( ~ ( in @ SV350 @ ( sK2_B @ SV85 ) )
          | ~ ( subset @ SV363 @ SV350 ) )
        = $true )
      | ( ( in @ SV363 @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1855]) ).

thf(1913,plain,
    ! [SV351: $i,SV184: $i,SV233: $i] :
      ( ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV351 )
        = $false )
      | ( ( ~ ( in @ SV351 @ SV184 ) )
        = $true )
      | ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1856]) ).

thf(1914,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ ( sK18_SY311 @ SV233 @ SV184 ) )
        = $true )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1857]) ).

thf(1915,plain,
    ! [SV184: $i,SV233: $i] :
      ( ( ( in @ ( sK18_SY311 @ SV233 @ SV184 ) @ SV184 )
        = $true )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1858]) ).

thf(1916,plain,
    ! [SV234: $i,SV185: $i,SV371: $i,SV352: $i] :
      ( ( ( ~ ( in @ SV352 @ SV371 )
          | ~ ( in @ SV371 @ SV185 ) )
        = $true )
      | ( ( in @ SV352 @ SV234 )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1859]) ).

thf(1917,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( in @ SV353 @ SV234 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV353 @ ( sK16_D @ SV353 @ SV234 @ SV185 ) )
              | ~ ( in @ ( sK16_D @ SV353 @ SV234 @ SV185 ) @ SV185 ) ) )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1860]) ).

thf(1918,plain,
    ! [SV372: $i,SV86: $i,SV294: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SV372 ) @ SV86 ) )
        = $true )
      | ( ( ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
        = $true )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1861]) ).

thf(1919,plain,
    ! [SV295: $i,SV86: $i,SV373: $i] :
      ( ( ( ! [SY722: $i] :
              ~ ( in @ ( ordered_pair @ SV373 @ SY722 ) @ SV86 )
          | ( in @ SV373 @ SV295 ) )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1863]) ).

thf(1920,plain,
    ! [SV86: $i,SV295: $i,SV374: $i] :
      ( ( ( ~ ( in @ SV374 @ SV295 )
          | ( in @ ( ordered_pair @ SV374 @ ( sK39_D @ SV374 @ SV295 @ SV86 ) ) @ SV86 ) )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1864]) ).

thf(1921,plain,
    ! [SV364: $i,SV87: $i,SV354: $i] :
      ( ( ( ~ ( in @ SV354 @ ( sK32_B @ SV87 ) )
          | ~ ( subset @ SV364 @ SV354 ) )
        = $true )
      | ( ( in @ SV364 @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1865]) ).

thf(1922,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
          | ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
        = $true )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1866]) ).

thf(1923,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
          | ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
        = $true )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1867]) ).

thf(1924,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( ~ ! [SY683: $i,SY684: $i] :
                ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
                | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) ) )
        = $false )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1868]) ).

thf(1925,plain,
    ! [SV301: $i,SV90: $i] :
      ( ( ( ~ ! [SY685: $i,SY686: $i] :
                ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
                | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) )
        = $false )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1868]) ).

thf(1926,plain,
    ! [SV244: $i,SV195: $i,SV355: $i] :
      ( ( ( SV355 = SV195 )
        = $false )
      | ( ( in @ SV355 @ SV244 )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1870]) ).

thf(1927,plain,
    ! [SV195: $i,SV244: $i,SV356: $i] :
      ( ( ( in @ SV356 @ SV244 )
        = $false )
      | ( ( SV356 = SV195 )
        = $true )
      | ( ( SV244
          = ( singleton @ SV195 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1871]) ).

thf(1928,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
        = $false )
      | ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1872]) ).

thf(1929,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
          | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1873]) ).

thf(1930,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
          | ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 ) )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1874]) ).

thf(1931,plain,
    ! [SV276: $i,SV251: $i,SV93: $i,SV365: $i] :
      ( ( ( ~ ( in @ SV365 @ SV93 )
          | ( in @ SV365 @ SV251 ) )
        = $true )
      | ( ( in @ SV365 @ SV276 )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1875]) ).

thf(1932,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( ~ ! [SY663: $i] :
                ( ~ ( in @ SY663 @ SV276 )
                | ( in @ SY663 @ SV93 ) ) )
        = $false )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1876]) ).

thf(1933,plain,
    ! [SV93: $i,SV251: $i,SV276: $i] :
      ( ( ( ~ ! [SY664: $i] :
                ( ~ ( in @ SY664 @ SV276 )
                | ~ ( in @ SY664 @ SV251 ) ) )
        = $false )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1876]) ).

thf(1934,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
              | ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
          | ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1877]) ).

thf(1935,plain,
    ! [SV333: $i,SV305: $i] :
      ( ( ( ! [SY705: $i] :
              ( ~ ( in @ SY705 @ SV305 )
              | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SY705 ) )
          | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1878]) ).

thf(1936,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( ~ ! [SY706: $i] :
                ( ~ ( ~ ( in @ ( sK43_D @ SY706 @ SV334 @ SV306 ) @ SV306 )
                    | ~ ~ ( in @ SY706 @ ( sK43_D @ SY706 @ SV334 @ SV306 ) ) )
                | ( in @ SY706 @ SV334 ) ) )
        = $false )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1879]) ).

thf(1937,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( ~ ! [SY707: $i] :
                ( ~ ( in @ SY707 @ SV334 )
                | ! [SY694: $i] :
                    ( ~ ( in @ SY694 @ SV306 )
                    | ( in @ SY707 @ SY694 ) ) ) )
        = $false )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1879]) ).

thf(1938,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
        = $false )
      | ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
        = $false )
      | ( ( ~ ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 ) )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1882]) ).

thf(1939,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
        = $true )
      | ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1883]) ).

thf(1940,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
        = $true )
      | ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 )
        = $true )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1884]) ).

thf(1941,plain,
    ! [SV261: $i,SV212: $i,SV74: $i,SV357: $i] :
      ( ( ( ~ ( in @ SV357 @ SV74 ) )
        = $true )
      | ( ( ~ ( in @ SV357 @ SV212 ) )
        = $true )
      | ( ( in @ SV357 @ SV261 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1885]) ).

thf(1942,plain,
    ! [SV212: $i,SV74: $i,SV261: $i] :
      ( ( ( ! [SY644: $i] :
              ( ~ ( in @ SY644 @ SV261 )
              | ( in @ SY644 @ SV74 ) ) )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1886]) ).

thf(1943,plain,
    ! [SV74: $i,SV212: $i,SV261: $i] :
      ( ( ( ! [SY645: $i] :
              ( ~ ( in @ SY645 @ SV261 )
              | ( in @ SY645 @ SV212 ) ) )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1887]) ).

thf(1944,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( ! [SY709: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
              | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
              | ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) ) )
        = $false )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1888]) ).

thf(1945,plain,
    ! [SV166: $i,SV77: $i,SV337: $i] :
      ( ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY710: $i,SY711: $i] :
                    ( ! [SY552: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
                    | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) )
              | ~ ! [SY713: $i,SY714: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                        | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) ) )
        = $true )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1889]) ).

thf(1946,plain,
    ! [SV78: $i,SV283: $i,SV366: $i] :
      ( ( ( in @ ( ordered_pair @ SV366 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
        = $false )
      | ( ( ~ ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 ) )
        = $true )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1890]) ).

thf(1947,plain,
    ! [SV284: $i,SV78: $i,SV367: $i] :
      ( ( ( ! [SY721: $i] :
              ~ ( in @ ( ordered_pair @ SY721 @ SV367 ) @ SV78 ) )
        = $true )
      | ( ( in @ SV367 @ SV284 )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1891]) ).

thf(1948,plain,
    ! [SV78: $i,SV284: $i,SV368: $i] :
      ( ( ( ~ ( in @ SV368 @ SV284 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK36_D @ SV368 @ SV284 @ SV78 ) @ SV368 ) @ SV78 )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1892]) ).

thf(1949,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 ) )
        = $true )
      | ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
           != SV79 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1893]) ).

thf(1950,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ~ ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 ) )
        = $true )
      | ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
           != SV215 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1894]) ).

thf(1951,plain,
    ! [SV216: $i,SV79: $i,SV264: $i,SV358: $i] :
      ( ( ( in @ SV358 @ SV264 )
        = $false )
      | ( ( ( SV358 = SV79 )
          | ( SV358 = SV216 ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1895]) ).

thf(1952,plain,
    ! [SV216: $i,SV264: $i,SV79: $i] :
      ( ( ( ! [SY648: $i] :
              ( ( SY648 != SV79 )
              | ( in @ SY648 @ SV264 ) ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1896]) ).

thf(1953,plain,
    ! [SV79: $i,SV264: $i,SV216: $i] :
      ( ( ( ! [SY649: $i] :
              ( ( SY649 != SV216 )
              | ( in @ SY649 @ SV264 ) ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1897]) ).

thf(1954,plain,
    ! [SV265: $i,SV224: $i,SV369: $i,SV81: $i,SV359: $i] :
      ( ( ( ~ ( in @ SV359 @ SV81 )
          | ~ ( in @ SV369 @ SV224 ) )
        = $true )
      | ( ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
           != ( ordered_pair @ SV359 @ SV369 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1900]) ).

thf(1955,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
              | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) ) )
        = $true )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1901]) ).

thf(1956,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
          = ( ordered_pair @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) ) )
        = $true )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1902]) ).

thf(1957,plain,
    ! [SV266: $i,SV360: $i,SV225: $i,SV81: $i,SV375: $i] :
      ( ( ( ! [SY723: $i] :
              ( ~ ( in @ SV375 @ SV81 )
              | ~ ( in @ SY723 @ SV225 )
              | ( SV360
               != ( ordered_pair @ SV375 @ SY723 ) ) ) )
        = $true )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1903]) ).

thf(1958,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                    | ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
              | ( SV361
               != ( ordered_pair @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) ) ) ) )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1904]) ).

thf(1959,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 ) )
        = $true )
      | ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1905]) ).

thf(1960,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 ) )
        = $true )
      | ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1906]) ).

thf(1961,plain,
    ! [SV227: $i,SV83: $i,SV269: $i,SV362: $i] :
      ( ( ( in @ SV362 @ SV269 )
        = $false )
      | ( ( ( in @ SV362 @ SV83 )
          | ( in @ SV362 @ SV227 ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1907]) ).

thf(1962,plain,
    ! [SV227: $i,SV269: $i,SV83: $i] :
      ( ( ( ! [SY658: $i] :
              ( ~ ( in @ SY658 @ SV83 )
              | ( in @ SY658 @ SV269 ) ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1908]) ).

thf(1963,plain,
    ! [SV83: $i,SV269: $i,SV227: $i] :
      ( ( ( ! [SY659: $i] :
              ( ~ ( in @ SY659 @ SV227 )
              | ( in @ SY659 @ SV269 ) ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1909]) ).

thf(1964,plain,
    ! [SV85: $i,SV313: $i,SV370: $i] :
      ( ( ( ~ ( subset @ SV370 @ SV313 ) )
        = $true )
      | ( ( in @ SV370 @ ( sK3_SY299 @ SV313 @ SV85 ) )
        = $true )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1910]) ).

thf(1965,plain,
    ! [SV363: $i,SV85: $i,SV350: $i] :
      ( ( ( ~ ( in @ SV350 @ ( sK2_B @ SV85 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV363 @ SV350 ) )
        = $true )
      | ( ( in @ SV363 @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1912]) ).

thf(1966,plain,
    ! [SV233: $i,SV184: $i,SV351: $i] :
      ( ( ( in @ SV351 @ SV184 )
        = $false )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV351 )
        = $false )
      | ( ( ~ ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1913]) ).

thf(1967,plain,
    ! [SV234: $i,SV185: $i,SV371: $i,SV352: $i] :
      ( ( ( ~ ( in @ SV352 @ SV371 ) )
        = $true )
      | ( ( ~ ( in @ SV371 @ SV185 ) )
        = $true )
      | ( ( in @ SV352 @ SV234 )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1916]) ).

thf(1968,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( ~ ( in @ SV353 @ ( sK16_D @ SV353 @ SV234 @ SV185 ) )
          | ~ ( in @ ( sK16_D @ SV353 @ SV234 @ SV185 ) @ SV185 ) )
        = $false )
      | ( ( in @ SV353 @ SV234 )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1917]) ).

thf(1969,plain,
    ! [SV372: $i,SV86: $i,SV294: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SV372 ) @ SV86 )
        = $false )
      | ( ( ~ ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 ) )
        = $true )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1918]) ).

thf(1970,plain,
    ! [SV295: $i,SV86: $i,SV373: $i] :
      ( ( ( ! [SY722: $i] :
              ~ ( in @ ( ordered_pair @ SV373 @ SY722 ) @ SV86 ) )
        = $true )
      | ( ( in @ SV373 @ SV295 )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1919]) ).

thf(1971,plain,
    ! [SV86: $i,SV295: $i,SV374: $i] :
      ( ( ( ~ ( in @ SV374 @ SV295 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV374 @ ( sK39_D @ SV374 @ SV295 @ SV86 ) ) @ SV86 )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1920]) ).

thf(1972,plain,
    ! [SV364: $i,SV87: $i,SV354: $i] :
      ( ( ( ~ ( in @ SV354 @ ( sK32_B @ SV87 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV364 @ SV354 ) )
        = $true )
      | ( ( in @ SV364 @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1921]) ).

thf(1973,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
        = $true )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1922]) ).

thf(1974,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 )
        = $true )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1923]) ).

thf(1975,plain,
    ! [SV90: $i,SV301: $i] :
      ( ( ( ! [SY683: $i,SY684: $i] :
              ( ~ ( in @ ( ordered_pair @ SY683 @ SY684 ) @ SV301 )
              | ( in @ ( ordered_pair @ SY684 @ SY683 ) @ SV90 ) ) )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1924]) ).

thf(1976,plain,
    ! [SV301: $i,SV90: $i] :
      ( ( ( ! [SY685: $i,SY686: $i] :
              ( ~ ( in @ ( ordered_pair @ SY686 @ SY685 ) @ SV90 )
              | ( in @ ( ordered_pair @ SY685 @ SY686 ) @ SV301 ) ) )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1925]) ).

thf(1977,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 )
        = $false )
      | ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
        = $true )
      | ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
        = $false )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1928]) ).

thf(1978,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV93 )
        = $true )
      | ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1929]) ).

thf(1979,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 ) )
        = $true )
      | ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1930]) ).

thf(1980,plain,
    ! [SV276: $i,SV251: $i,SV93: $i,SV365: $i] :
      ( ( ( ~ ( in @ SV365 @ SV93 ) )
        = $true )
      | ( ( in @ SV365 @ SV251 )
        = $true )
      | ( ( in @ SV365 @ SV276 )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1931]) ).

thf(1981,plain,
    ! [SV251: $i,SV93: $i,SV276: $i] :
      ( ( ( ! [SY663: $i] :
              ( ~ ( in @ SY663 @ SV276 )
              | ( in @ SY663 @ SV93 ) ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1932]) ).

thf(1982,plain,
    ! [SV93: $i,SV251: $i,SV276: $i] :
      ( ( ( ! [SY664: $i] :
              ( ~ ( in @ SY664 @ SV276 )
              | ~ ( in @ SY664 @ SV251 ) ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1933]) ).

thf(1983,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
              | ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1934]) ).

thf(1984,plain,
    ! [SV333: $i,SV305: $i] :
      ( ( ( ! [SY705: $i] :
              ( ~ ( in @ SY705 @ SV305 )
              | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SY705 ) ) )
        = $true )
      | ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1935]) ).

thf(1985,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( ! [SY706: $i] :
              ( ~ ( ~ ( in @ ( sK43_D @ SY706 @ SV334 @ SV306 ) @ SV306 )
                  | ~ ~ ( in @ SY706 @ ( sK43_D @ SY706 @ SV334 @ SV306 ) ) )
              | ( in @ SY706 @ SV334 ) ) )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1936]) ).

thf(1986,plain,
    ! [SV306: $i,SV334: $i] :
      ( ( ( ! [SY707: $i] :
              ( ~ ( in @ SY707 @ SV334 )
              | ! [SY694: $i] :
                  ( ~ ( in @ SY694 @ SV306 )
                  | ( in @ SY707 @ SY694 ) ) ) )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1937]) ).

thf(1987,plain,
    ! [SV74: $i,SV211: $i,SV260: $i] :
      ( ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV260 )
        = $false )
      | ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV74 )
        = $false )
      | ( ( in @ ( sK19_D @ SV260 @ SV211 @ SV74 ) @ SV211 )
        = $false )
      | ( ( SV260
          = ( set_intersection2 @ SV74 @ SV211 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1938]) ).

thf(1988,plain,
    ! [SV261: $i,SV212: $i,SV74: $i,SV357: $i] :
      ( ( ( in @ SV357 @ SV74 )
        = $false )
      | ( ( ~ ( in @ SV357 @ SV212 ) )
        = $true )
      | ( ( in @ SV357 @ SV261 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1941]) ).

thf(1989,plain,
    ! [SV212: $i,SV74: $i,SV261: $i,SV376: $i] :
      ( ( ( ~ ( in @ SV376 @ SV261 )
          | ( in @ SV376 @ SV74 ) )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1942]) ).

thf(1990,plain,
    ! [SV74: $i,SV212: $i,SV261: $i,SV377: $i] :
      ( ( ( ~ ( in @ SV377 @ SV261 )
          | ( in @ SV377 @ SV212 ) )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1943]) ).

thf(1991,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( ! [SY709: $i] :
                  ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
              | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) ) )
        = $false )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1944]) ).

thf(1992,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
              | ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) ) )
        = $false )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1944]) ).

thf(1993,plain,
    ! [SV337: $i,SV166: $i,SV77: $i] :
      ( ( ( ~ ! [SY710: $i,SY711: $i] :
                ( ! [SY552: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                    | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
                | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) )
          | ~ ! [SY713: $i,SY714: $i] :
                ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                    | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1945]) ).

thf(1994,plain,
    ! [SV366: $i,SV78: $i,SV283: $i] :
      ( ( ( in @ ( sK37_C @ SV283 @ SV78 ) @ SV283 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV366 @ ( sK37_C @ SV283 @ SV78 ) ) @ SV78 )
        = $false )
      | ( ( SV283
          = ( relation_rng @ SV78 ) )
        = $true )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1946]) ).

thf(1995,plain,
    ! [SV284: $i,SV78: $i,SV367: $i,SV378: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV378 @ SV367 ) @ SV78 ) )
        = $true )
      | ( ( in @ SV367 @ SV284 )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1947]) ).

thf(1996,plain,
    ! [SV78: $i,SV284: $i,SV368: $i] :
      ( ( ( in @ SV368 @ SV284 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK36_D @ SV368 @ SV284 @ SV78 ) @ SV368 ) @ SV78 )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1948]) ).

thf(1997,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
        = $false )
      | ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
           != SV79 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1949]) ).

thf(1998,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
        = $false )
      | ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
           != SV215 ) )
        = $true )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1950]) ).

thf(1999,plain,
    ! [SV264: $i,SV216: $i,SV79: $i,SV358: $i] :
      ( ( ( SV358 = SV79 )
        = $true )
      | ( ( SV358 = SV216 )
        = $true )
      | ( ( in @ SV358 @ SV264 )
        = $false )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1951]) ).

thf(2000,plain,
    ! [SV216: $i,SV264: $i,SV79: $i,SV379: $i] :
      ( ( ( ( SV379 != SV79 )
          | ( in @ SV379 @ SV264 ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1952]) ).

thf(2001,plain,
    ! [SV79: $i,SV264: $i,SV216: $i,SV380: $i] :
      ( ( ( ( SV380 != SV216 )
          | ( in @ SV380 @ SV264 ) )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1953]) ).

thf(2002,plain,
    ! [SV265: $i,SV224: $i,SV369: $i,SV81: $i,SV359: $i] :
      ( ( ( ~ ( in @ SV359 @ SV81 ) )
        = $true )
      | ( ( ~ ( in @ SV369 @ SV224 ) )
        = $true )
      | ( ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
           != ( ordered_pair @ SV359 @ SV369 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1954]) ).

thf(2003,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
          | ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
        = $false )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1955]) ).

thf(2004,plain,
    ! [SV266: $i,SV360: $i,SV225: $i,SV381: $i,SV81: $i,SV375: $i] :
      ( ( ( ~ ( in @ SV375 @ SV81 )
          | ~ ( in @ SV381 @ SV225 )
          | ( SV360
           != ( ordered_pair @ SV375 @ SV381 ) ) )
        = $true )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1957]) ).

thf(2005,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                | ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
          | ( SV361
           != ( ordered_pair @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) ) ) )
        = $false )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1958]) ).

thf(2006,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
        = $false )
      | ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1959]) ).

thf(2007,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
        = $false )
      | ( ( ~ ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 ) )
        = $true )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1960]) ).

thf(2008,plain,
    ! [SV269: $i,SV227: $i,SV83: $i,SV362: $i] :
      ( ( ( in @ SV362 @ SV83 )
        = $true )
      | ( ( in @ SV362 @ SV227 )
        = $true )
      | ( ( in @ SV362 @ SV269 )
        = $false )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1961]) ).

thf(2009,plain,
    ! [SV227: $i,SV269: $i,SV83: $i,SV382: $i] :
      ( ( ( ~ ( in @ SV382 @ SV83 )
          | ( in @ SV382 @ SV269 ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1962]) ).

thf(2010,plain,
    ! [SV83: $i,SV269: $i,SV227: $i,SV383: $i] :
      ( ( ( ~ ( in @ SV383 @ SV227 )
          | ( in @ SV383 @ SV269 ) )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1963]) ).

thf(2011,plain,
    ! [SV85: $i,SV313: $i,SV370: $i] :
      ( ( ( subset @ SV370 @ SV313 )
        = $false )
      | ( ( in @ SV370 @ ( sK3_SY299 @ SV313 @ SV85 ) )
        = $true )
      | ( ( ~ ( in @ SV313 @ ( sK2_B @ SV85 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1964]) ).

thf(2012,plain,
    ! [SV363: $i,SV85: $i,SV350: $i] :
      ( ( ( in @ SV350 @ ( sK2_B @ SV85 ) )
        = $false )
      | ( ( ~ ( subset @ SV363 @ SV350 ) )
        = $true )
      | ( ( in @ SV363 @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1965]) ).

thf(2013,plain,
    ! [SV351: $i,SV184: $i,SV233: $i] :
      ( ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV233 )
        = $false )
      | ( ( in @ ( sK17_C @ SV233 @ SV184 ) @ SV351 )
        = $false )
      | ( ( in @ SV351 @ SV184 )
        = $false )
      | ( ( SV233
          = ( union @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1966]) ).

thf(2014,plain,
    ! [SV234: $i,SV185: $i,SV371: $i,SV352: $i] :
      ( ( ( in @ SV352 @ SV371 )
        = $false )
      | ( ( ~ ( in @ SV371 @ SV185 ) )
        = $true )
      | ( ( in @ SV352 @ SV234 )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1967]) ).

thf(2015,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( ~ ( in @ SV353 @ ( sK16_D @ SV353 @ SV234 @ SV185 ) ) )
        = $false )
      | ( ( in @ SV353 @ SV234 )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1968]) ).

thf(2016,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( ~ ( in @ ( sK16_D @ SV353 @ SV234 @ SV185 ) @ SV185 ) )
        = $false )
      | ( ( in @ SV353 @ SV234 )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1968]) ).

thf(2017,plain,
    ! [SV372: $i,SV86: $i,SV294: $i] :
      ( ( ( in @ ( sK40_C @ SV294 @ SV86 ) @ SV294 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK40_C @ SV294 @ SV86 ) @ SV372 ) @ SV86 )
        = $false )
      | ( ( SV294
          = ( relation_dom @ SV86 ) )
        = $true )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1969]) ).

thf(2018,plain,
    ! [SV295: $i,SV86: $i,SV384: $i,SV373: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV373 @ SV384 ) @ SV86 ) )
        = $true )
      | ( ( in @ SV373 @ SV295 )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1970]) ).

thf(2019,plain,
    ! [SV86: $i,SV295: $i,SV374: $i] :
      ( ( ( in @ SV374 @ SV295 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV374 @ ( sK39_D @ SV374 @ SV295 @ SV86 ) ) @ SV86 )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1971]) ).

thf(2020,plain,
    ! [SV364: $i,SV87: $i,SV354: $i] :
      ( ( ( in @ SV354 @ ( sK32_B @ SV87 ) )
        = $false )
      | ( ( ~ ( subset @ SV364 @ SV354 ) )
        = $true )
      | ( ( in @ SV364 @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1972]) ).

thf(2021,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 ) )
        = $true )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1973]) ).

thf(2022,plain,
    ! [SV90: $i,SV301: $i,SV385: $i] :
      ( ( ( ! [SY724: $i] :
              ( ~ ( in @ ( ordered_pair @ SV385 @ SY724 ) @ SV301 )
              | ( in @ ( ordered_pair @ SY724 @ SV385 ) @ SV90 ) ) )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1975]) ).

thf(2023,plain,
    ! [SV301: $i,SV90: $i,SV386: $i] :
      ( ( ( ! [SY725: $i] :
              ( ~ ( in @ ( ordered_pair @ SY725 @ SV386 ) @ SV90 )
              | ( in @ ( ordered_pair @ SV386 @ SY725 ) @ SV301 ) ) )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1976]) ).

thf(2024,plain,
    ! [SV93: $i,SV250: $i,SV275: $i] :
      ( ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV250 )
        = $false )
      | ( ( in @ ( sK15_D @ SV275 @ SV250 @ SV93 ) @ SV275 )
        = $true )
      | ( ( SV275
          = ( set_difference @ SV93 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1979]) ).

thf(2025,plain,
    ! [SV276: $i,SV251: $i,SV93: $i,SV365: $i] :
      ( ( ( in @ SV365 @ SV93 )
        = $false )
      | ( ( in @ SV365 @ SV251 )
        = $true )
      | ( ( in @ SV365 @ SV276 )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1980]) ).

thf(2026,plain,
    ! [SV251: $i,SV93: $i,SV276: $i,SV387: $i] :
      ( ( ( ~ ( in @ SV387 @ SV276 )
          | ( in @ SV387 @ SV93 ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1981]) ).

thf(2027,plain,
    ! [SV93: $i,SV251: $i,SV276: $i,SV388: $i] :
      ( ( ( ~ ( in @ SV388 @ SV276 )
          | ~ ( in @ SV388 @ SV251 ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1982]) ).

thf(2028,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
          | ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
        = $false )
      | ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1983]) ).

thf(2029,plain,
    ! [SV333: $i,SV305: $i,SV389: $i] :
      ( ( ( ~ ( in @ SV389 @ SV305 )
          | ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV389 ) )
        = $true )
      | ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1984]) ).

thf(2030,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK43_D @ SV390 @ SV334 @ SV306 ) @ SV306 )
              | ~ ~ ( in @ SV390 @ ( sK43_D @ SV390 @ SV334 @ SV306 ) ) )
          | ( in @ SV390 @ SV334 ) )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1985]) ).

thf(2031,plain,
    ! [SV306: $i,SV334: $i,SV391: $i] :
      ( ( ( ~ ( in @ SV391 @ SV334 )
          | ! [SY726: $i] :
              ( ~ ( in @ SY726 @ SV306 )
              | ( in @ SV391 @ SY726 ) ) )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1986]) ).

thf(2032,plain,
    ! [SV261: $i,SV74: $i,SV212: $i,SV357: $i] :
      ( ( ( in @ SV357 @ SV212 )
        = $false )
      | ( ( in @ SV357 @ SV74 )
        = $false )
      | ( ( in @ SV357 @ SV261 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1988]) ).

thf(2033,plain,
    ! [SV212: $i,SV74: $i,SV261: $i,SV376: $i] :
      ( ( ( ~ ( in @ SV376 @ SV261 ) )
        = $true )
      | ( ( in @ SV376 @ SV74 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1989]) ).

thf(2034,plain,
    ! [SV74: $i,SV212: $i,SV261: $i,SV377: $i] :
      ( ( ( ~ ( in @ SV377 @ SV261 ) )
        = $true )
      | ( ( in @ SV377 @ SV212 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1990]) ).

thf(2035,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ! [SY709: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
          | ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1991]) ).

thf(2036,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
          | ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1992]) ).

thf(2037,plain,
    ! [SV337: $i,SV166: $i,SV77: $i] :
      ( ( ( ~ ! [SY710: $i,SY711: $i] :
                ( ! [SY552: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                    | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
                | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) ) )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1993]) ).

thf(2038,plain,
    ! [SV77: $i,SV166: $i,SV337: $i] :
      ( ( ( ~ ! [SY713: $i,SY714: $i] :
                ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
                | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                    | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1993]) ).

thf(2039,plain,
    ! [SV284: $i,SV78: $i,SV367: $i,SV378: $i] :
      ( ( ( in @ ( ordered_pair @ SV378 @ SV367 ) @ SV78 )
        = $false )
      | ( ( in @ SV367 @ SV284 )
        = $true )
      | ( ( SV284
          = ( relation_rng @ SV78 ) )
        = $false )
      | ( ( relation @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1995]) ).

thf(2040,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
          = SV79 )
        = $false )
      | ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1997]) ).

thf(2041,plain,
    ! [SV79: $i,SV215: $i,SV263: $i] :
      ( ( ( ( sK27_D @ SV263 @ SV215 @ SV79 )
          = SV215 )
        = $false )
      | ( ( in @ ( sK27_D @ SV263 @ SV215 @ SV79 ) @ SV263 )
        = $false )
      | ( ( SV263
          = ( unordered_pair @ SV79 @ SV215 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1998]) ).

thf(2042,plain,
    ! [SV216: $i,SV264: $i,SV79: $i,SV379: $i] :
      ( ( ( ( SV379 != SV79 ) )
        = $true )
      | ( ( in @ SV379 @ SV264 )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2000]) ).

thf(2043,plain,
    ! [SV79: $i,SV264: $i,SV216: $i,SV380: $i] :
      ( ( ( ( SV380 != SV216 ) )
        = $true )
      | ( ( in @ SV380 @ SV264 )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2001]) ).

thf(2044,plain,
    ! [SV265: $i,SV224: $i,SV369: $i,SV81: $i,SV359: $i] :
      ( ( ( in @ SV359 @ SV81 )
        = $false )
      | ( ( ~ ( in @ SV369 @ SV224 ) )
        = $true )
      | ( ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
           != ( ordered_pair @ SV359 @ SV369 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2002]) ).

thf(2045,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 ) )
        = $false )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2003]) ).

thf(2046,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ~ ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 ) )
        = $false )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2003]) ).

thf(2047,plain,
    ! [SV266: $i,SV360: $i,SV225: $i,SV381: $i,SV81: $i,SV375: $i] :
      ( ( ( ~ ( in @ SV375 @ SV81 )
          | ~ ( in @ SV381 @ SV225 ) )
        = $true )
      | ( ( ( SV360
           != ( ordered_pair @ SV375 @ SV381 ) ) )
        = $true )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2004]) ).

thf(2048,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
                | ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) ) )
        = $false )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2005]) ).

thf(2049,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ( SV361
           != ( ordered_pair @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) ) ) )
        = $false )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2005]) ).

thf(2050,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV83 )
        = $false )
      | ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2006]) ).

thf(2051,plain,
    ! [SV83: $i,SV226: $i,SV268: $i] :
      ( ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV226 )
        = $false )
      | ( ( in @ ( sK26_D @ SV268 @ SV226 @ SV83 ) @ SV268 )
        = $false )
      | ( ( SV268
          = ( set_union2 @ SV83 @ SV226 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2007]) ).

thf(2052,plain,
    ! [SV227: $i,SV269: $i,SV83: $i,SV382: $i] :
      ( ( ( ~ ( in @ SV382 @ SV83 ) )
        = $true )
      | ( ( in @ SV382 @ SV269 )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2009]) ).

thf(2053,plain,
    ! [SV83: $i,SV269: $i,SV227: $i,SV383: $i] :
      ( ( ( ~ ( in @ SV383 @ SV227 ) )
        = $true )
      | ( ( in @ SV383 @ SV269 )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2010]) ).

thf(2054,plain,
    ! [SV370: $i,SV85: $i,SV313: $i] :
      ( ( ( in @ SV313 @ ( sK2_B @ SV85 ) )
        = $false )
      | ( ( in @ SV370 @ ( sK3_SY299 @ SV313 @ SV85 ) )
        = $true )
      | ( ( subset @ SV370 @ SV313 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2011]) ).

thf(2055,plain,
    ! [SV85: $i,SV350: $i,SV363: $i] :
      ( ( ( subset @ SV363 @ SV350 )
        = $false )
      | ( ( in @ SV350 @ ( sK2_B @ SV85 ) )
        = $false )
      | ( ( in @ SV363 @ ( sK2_B @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2012]) ).

thf(2056,plain,
    ! [SV234: $i,SV352: $i,SV185: $i,SV371: $i] :
      ( ( ( in @ SV371 @ SV185 )
        = $false )
      | ( ( in @ SV352 @ SV371 )
        = $false )
      | ( ( in @ SV352 @ SV234 )
        = $true )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2014]) ).

thf(2057,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( in @ SV353 @ ( sK16_D @ SV353 @ SV234 @ SV185 ) )
        = $true )
      | ( ( in @ SV353 @ SV234 )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2015]) ).

thf(2058,plain,
    ! [SV185: $i,SV234: $i,SV353: $i] :
      ( ( ( in @ ( sK16_D @ SV353 @ SV234 @ SV185 ) @ SV185 )
        = $true )
      | ( ( in @ SV353 @ SV234 )
        = $false )
      | ( ( SV234
          = ( union @ SV185 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2016]) ).

thf(2059,plain,
    ! [SV295: $i,SV86: $i,SV384: $i,SV373: $i] :
      ( ( ( in @ ( ordered_pair @ SV373 @ SV384 ) @ SV86 )
        = $false )
      | ( ( in @ SV373 @ SV295 )
        = $true )
      | ( ( SV295
          = ( relation_dom @ SV86 ) )
        = $false )
      | ( ( relation @ SV86 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2018]) ).

thf(2060,plain,
    ! [SV87: $i,SV354: $i,SV364: $i] :
      ( ( ( subset @ SV364 @ SV354 )
        = $false )
      | ( ( in @ SV354 @ ( sK32_B @ SV87 ) )
        = $false )
      | ( ( in @ SV364 @ ( sK32_B @ SV87 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2020]) ).

thf(2061,plain,
    ! [SV90: $i,SV300: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK14_SY309 @ SV300 @ SV90 ) @ ( sK13_C @ SV300 @ SV90 ) ) @ SV90 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK13_C @ SV300 @ SV90 ) @ ( sK14_SY309 @ SV300 @ SV90 ) ) @ SV300 )
        = $false )
      | ( ( SV300
          = ( relation_inverse @ SV90 ) )
        = $true )
      | ( ( relation @ SV300 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2021]) ).

thf(2062,plain,
    ! [SV90: $i,SV301: $i,SV392: $i,SV385: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV385 @ SV392 ) @ SV301 )
          | ( in @ ( ordered_pair @ SV392 @ SV385 ) @ SV90 ) )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2022]) ).

thf(2063,plain,
    ! [SV301: $i,SV90: $i,SV386: $i,SV393: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV393 @ SV386 ) @ SV90 )
          | ( in @ ( ordered_pair @ SV386 @ SV393 ) @ SV301 ) )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2023]) ).

thf(2064,plain,
    ! [SV251: $i,SV93: $i,SV276: $i,SV387: $i] :
      ( ( ( ~ ( in @ SV387 @ SV276 ) )
        = $true )
      | ( ( in @ SV387 @ SV93 )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2026]) ).

thf(2065,plain,
    ! [SV93: $i,SV251: $i,SV276: $i,SV388: $i] :
      ( ( ( ~ ( in @ SV388 @ SV276 ) )
        = $true )
      | ( ( ~ ( in @ SV388 @ SV251 ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2027]) ).

thf(2066,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 ) )
        = $false )
      | ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2028]) ).

thf(2067,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
        = $false )
      | ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2028]) ).

thf(2068,plain,
    ! [SV333: $i,SV305: $i,SV389: $i] :
      ( ( ( ~ ( in @ SV389 @ SV305 ) )
        = $true )
      | ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV389 )
        = $true )
      | ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2029]) ).

thf(2069,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK43_D @ SV390 @ SV334 @ SV306 ) @ SV306 )
              | ~ ~ ( in @ SV390 @ ( sK43_D @ SV390 @ SV334 @ SV306 ) ) ) )
        = $true )
      | ( ( in @ SV390 @ SV334 )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2030]) ).

thf(2070,plain,
    ! [SV306: $i,SV334: $i,SV391: $i] :
      ( ( ( ~ ( in @ SV391 @ SV334 ) )
        = $true )
      | ( ( ! [SY726: $i] :
              ( ~ ( in @ SY726 @ SV306 )
              | ( in @ SV391 @ SY726 ) ) )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2031]) ).

thf(2071,plain,
    ! [SV212: $i,SV74: $i,SV261: $i,SV376: $i] :
      ( ( ( in @ SV376 @ SV261 )
        = $false )
      | ( ( in @ SV376 @ SV74 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2033]) ).

thf(2072,plain,
    ! [SV74: $i,SV212: $i,SV261: $i,SV377: $i] :
      ( ( ( in @ SV377 @ SV261 )
        = $false )
      | ( ( in @ SV377 @ SV212 )
        = $true )
      | ( ( SV261
          = ( set_intersection2 @ SV74 @ SV212 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2034]) ).

thf(2073,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ! [SY709: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SY709 ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ SY709 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2035]) ).

thf(2074,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2036]) ).

thf(2075,plain,
    ! [SV337: $i,SV166: $i,SV77: $i] :
      ( ( ( ! [SY710: $i,SY711: $i] :
              ( ! [SY552: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY710 @ SY552 ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ SY552 @ SY711 ) @ SV166 ) )
              | ( in @ ( ordered_pair @ SY710 @ SY711 ) @ SV337 ) ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2037]) ).

thf(2076,plain,
    ! [SV77: $i,SV166: $i,SV337: $i] :
      ( ( ( ! [SY713: $i,SY714: $i] :
              ( ~ ( in @ ( ordered_pair @ SY713 @ SY714 ) @ SV337 )
              | ~ ( ~ ( in @ ( ordered_pair @ SY713 @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY714 @ SY713 @ SV337 @ SV166 @ SV77 ) @ SY714 ) @ SV166 ) ) ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2038]) ).

thf(2077,plain,
    ! [SV216: $i,SV264: $i,SV79: $i,SV379: $i] :
      ( ( ( SV379 = SV79 )
        = $false )
      | ( ( in @ SV379 @ SV264 )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2042]) ).

thf(2078,plain,
    ! [SV79: $i,SV264: $i,SV216: $i,SV380: $i] :
      ( ( ( SV380 = SV216 )
        = $false )
      | ( ( in @ SV380 @ SV264 )
        = $true )
      | ( ( SV264
          = ( unordered_pair @ SV79 @ SV216 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2043]) ).

thf(2079,plain,
    ! [SV265: $i,SV81: $i,SV359: $i,SV224: $i,SV369: $i] :
      ( ( ( in @ SV369 @ SV224 )
        = $false )
      | ( ( in @ SV359 @ SV81 )
        = $false )
      | ( ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
           != ( ordered_pair @ SV359 @ SV369 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2044]) ).

thf(2080,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( in @ ( sK24_SY315 @ SV265 @ SV224 @ SV81 ) @ SV81 )
        = $true )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2045]) ).

thf(2081,plain,
    ! [SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( in @ ( sK25_SY317 @ SV265 @ SV224 @ SV81 ) @ SV224 )
        = $true )
      | ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2046]) ).

thf(2082,plain,
    ! [SV266: $i,SV360: $i,SV225: $i,SV381: $i,SV81: $i,SV375: $i] :
      ( ( ( ~ ( in @ SV375 @ SV81 ) )
        = $true )
      | ( ( ~ ( in @ SV381 @ SV225 ) )
        = $true )
      | ( ( ( SV360
           != ( ordered_pair @ SV375 @ SV381 ) ) )
        = $true )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2047]) ).

thf(2083,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
              | ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) ) )
        = $true )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2048]) ).

thf(2084,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( SV361
          = ( ordered_pair @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) ) )
        = $true )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2049]) ).

thf(2085,plain,
    ! [SV227: $i,SV269: $i,SV83: $i,SV382: $i] :
      ( ( ( in @ SV382 @ SV83 )
        = $false )
      | ( ( in @ SV382 @ SV269 )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2052]) ).

thf(2086,plain,
    ! [SV83: $i,SV269: $i,SV227: $i,SV383: $i] :
      ( ( ( in @ SV383 @ SV227 )
        = $false )
      | ( ( in @ SV383 @ SV269 )
        = $true )
      | ( ( SV269
          = ( set_union2 @ SV83 @ SV227 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2053]) ).

thf(2087,plain,
    ! [SV90: $i,SV301: $i,SV392: $i,SV385: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV385 @ SV392 ) @ SV301 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV392 @ SV385 ) @ SV90 )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2062]) ).

thf(2088,plain,
    ! [SV301: $i,SV90: $i,SV386: $i,SV393: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV393 @ SV386 ) @ SV90 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV386 @ SV393 ) @ SV301 )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2063]) ).

thf(2089,plain,
    ! [SV251: $i,SV93: $i,SV276: $i,SV387: $i] :
      ( ( ( in @ SV387 @ SV276 )
        = $false )
      | ( ( in @ SV387 @ SV93 )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2064]) ).

thf(2090,plain,
    ! [SV93: $i,SV251: $i,SV276: $i,SV388: $i] :
      ( ( ( in @ SV388 @ SV276 )
        = $false )
      | ( ( ~ ( in @ SV388 @ SV251 ) )
        = $true )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2065]) ).

thf(2091,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
        = $true )
      | ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2066]) ).

thf(2092,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2067]) ).

thf(2093,plain,
    ! [SV333: $i,SV305: $i,SV389: $i] :
      ( ( ( in @ SV389 @ SV305 )
        = $false )
      | ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV389 )
        = $true )
      | ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2068]) ).

thf(2094,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( ~ ( in @ ( sK43_D @ SV390 @ SV334 @ SV306 ) @ SV306 )
          | ~ ~ ( in @ SV390 @ ( sK43_D @ SV390 @ SV334 @ SV306 ) ) )
        = $false )
      | ( ( in @ SV390 @ SV334 )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2069]) ).

thf(2095,plain,
    ! [SV306: $i,SV334: $i,SV391: $i] :
      ( ( ( in @ SV391 @ SV334 )
        = $false )
      | ( ( ! [SY726: $i] :
              ( ~ ( in @ SY726 @ SV306 )
              | ( in @ SV391 @ SY726 ) ) )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2070]) ).

thf(2096,plain,
    ! [SV394: $i,SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SV394 ) @ SV77 )
          | ~ ( in @ ( ordered_pair @ SV394 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2073]) ).

thf(2097,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
          | ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2074]) ).

thf(2098,plain,
    ! [SV337: $i,SV166: $i,SV77: $i,SV395: $i] :
      ( ( ( ! [SY727: $i] :
              ( ! [SY728: $i] :
                  ( ~ ( in @ ( ordered_pair @ SV395 @ SY728 ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ SY728 @ SY727 ) @ SV166 ) )
              | ( in @ ( ordered_pair @ SV395 @ SY727 ) @ SV337 ) ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2075]) ).

thf(2099,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV396: $i] :
      ( ( ( ! [SY729: $i] :
              ( ~ ( in @ ( ordered_pair @ SV396 @ SY729 ) @ SV337 )
              | ~ ( ~ ( in @ ( ordered_pair @ SV396 @ ( sK9_F @ SY729 @ SV396 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
                  | ~ ( in @ ( ordered_pair @ ( sK9_F @ SY729 @ SV396 @ SV337 @ SV166 @ SV77 ) @ SY729 ) @ SV166 ) ) ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2076]) ).

thf(2100,plain,
    ! [SV369: $i,SV359: $i,SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
          = ( ordered_pair @ SV359 @ SV369 ) )
        = $false )
      | ( ( in @ SV359 @ SV81 )
        = $false )
      | ( ( in @ SV369 @ SV224 )
        = $false )
      | ( ( ~ ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 ) )
        = $true )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2079]) ).

thf(2101,plain,
    ! [SV266: $i,SV360: $i,SV225: $i,SV381: $i,SV81: $i,SV375: $i] :
      ( ( ( in @ SV375 @ SV81 )
        = $false )
      | ( ( ~ ( in @ SV381 @ SV225 ) )
        = $true )
      | ( ( ( SV360
           != ( ordered_pair @ SV375 @ SV381 ) ) )
        = $true )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2082]) ).

thf(2102,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
          | ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
        = $false )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2083]) ).

thf(2103,plain,
    ! [SV90: $i,SV301: $i,SV392: $i,SV385: $i] :
      ( ( ( in @ ( ordered_pair @ SV385 @ SV392 ) @ SV301 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV392 @ SV385 ) @ SV90 )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2087]) ).

thf(2104,plain,
    ! [SV301: $i,SV90: $i,SV386: $i,SV393: $i] :
      ( ( ( in @ ( ordered_pair @ SV393 @ SV386 ) @ SV90 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV386 @ SV393 ) @ SV301 )
        = $true )
      | ( ( SV301
          = ( relation_inverse @ SV90 ) )
        = $false )
      | ( ( relation @ SV301 )
        = $false )
      | ( ( relation @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2088]) ).

thf(2105,plain,
    ! [SV93: $i,SV276: $i,SV251: $i,SV388: $i] :
      ( ( ( in @ SV388 @ SV251 )
        = $false )
      | ( ( in @ SV388 @ SV276 )
        = $false )
      | ( ( SV276
          = ( set_difference @ SV93 @ SV251 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2090]) ).

thf(2106,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 )
        = $false )
      | ( ( in @ ( sK45_SY326 @ SV333 @ SV305 ) @ SV305 )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2091]) ).

thf(2107,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) )
        = $false )
      | ( ( ~ ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 ) )
        = $true )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2092]) ).

thf(2108,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( ~ ( in @ ( sK43_D @ SV390 @ SV334 @ SV306 ) @ SV306 ) )
        = $false )
      | ( ( in @ SV390 @ SV334 )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2094]) ).

thf(2109,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( ~ ~ ( in @ SV390 @ ( sK43_D @ SV390 @ SV334 @ SV306 ) ) )
        = $false )
      | ( ( in @ SV390 @ SV334 )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2094]) ).

thf(2110,plain,
    ! [SV334: $i,SV391: $i,SV306: $i,SV397: $i] :
      ( ( ( ~ ( in @ SV397 @ SV306 )
          | ( in @ SV391 @ SV397 ) )
        = $true )
      | ( ( in @ SV391 @ SV334 )
        = $false )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2095]) ).

thf(2111,plain,
    ! [SV394: $i,SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SV394 ) @ SV77 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV394 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2096]) ).

thf(2112,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2097]) ).

thf(2113,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2097]) ).

thf(2114,plain,
    ! [SV337: $i,SV166: $i,SV398: $i,SV77: $i,SV395: $i] :
      ( ( ( ! [SY730: $i] :
              ( ~ ( in @ ( ordered_pair @ SV395 @ SY730 ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ SY730 @ SV398 ) @ SV166 ) )
          | ( in @ ( ordered_pair @ SV395 @ SV398 ) @ SV337 ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2098]) ).

thf(2115,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV399: $i,SV396: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 )
          | ~ ( ~ ( in @ ( ordered_pair @ SV396 @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) @ SV399 ) @ SV166 ) ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2099]) ).

thf(2116,plain,
    ! [SV359: $i,SV369: $i,SV81: $i,SV224: $i,SV265: $i] :
      ( ( ( in @ ( sK23_D @ SV265 @ SV224 @ SV81 ) @ SV265 )
        = $false )
      | ( ( in @ SV369 @ SV224 )
        = $false )
      | ( ( in @ SV359 @ SV81 )
        = $false )
      | ( ( ( sK23_D @ SV265 @ SV224 @ SV81 )
          = ( ordered_pair @ SV359 @ SV369 ) )
        = $false )
      | ( ( SV265
          = ( cartesian_product2 @ SV81 @ SV224 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2100]) ).

thf(2117,plain,
    ! [SV266: $i,SV360: $i,SV81: $i,SV375: $i,SV225: $i,SV381: $i] :
      ( ( ( in @ SV381 @ SV225 )
        = $false )
      | ( ( in @ SV375 @ SV81 )
        = $false )
      | ( ( ( SV360
           != ( ordered_pair @ SV375 @ SV381 ) ) )
        = $true )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2101]) ).

thf(2118,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 ) )
        = $false )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2102]) ).

thf(2119,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( ~ ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 ) )
        = $false )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2102]) ).

thf(2120,plain,
    ! [SV305: $i,SV333: $i] :
      ( ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ SV333 )
        = $false )
      | ( ( in @ ( sK44_C @ SV333 @ SV305 ) @ ( sK45_SY326 @ SV333 @ SV305 ) )
        = $false )
      | ( ( SV333
          = ( set_meet @ SV305 ) )
        = $true )
      | ( ( SV305 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2107]) ).

thf(2121,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( in @ ( sK43_D @ SV390 @ SV334 @ SV306 ) @ SV306 )
        = $true )
      | ( ( in @ SV390 @ SV334 )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2108]) ).

thf(2122,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( ~ ( in @ SV390 @ ( sK43_D @ SV390 @ SV334 @ SV306 ) ) )
        = $true )
      | ( ( in @ SV390 @ SV334 )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2109]) ).

thf(2123,plain,
    ! [SV334: $i,SV391: $i,SV306: $i,SV397: $i] :
      ( ( ( ~ ( in @ SV397 @ SV306 ) )
        = $true )
      | ( ( in @ SV391 @ SV397 )
        = $true )
      | ( ( in @ SV391 @ SV334 )
        = $false )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2110]) ).

thf(2124,plain,
    ! [SV394: $i,SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SV394 ) @ SV77 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV394 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2111]) ).

thf(2125,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) ) @ SV77 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2112]) ).

thf(2126,plain,
    ! [SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK12_SY308 @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2113]) ).

thf(2127,plain,
    ! [SV337: $i,SV166: $i,SV398: $i,SV77: $i,SV395: $i] :
      ( ( ( ! [SY730: $i] :
              ( ~ ( in @ ( ordered_pair @ SV395 @ SY730 ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ SY730 @ SV398 ) @ SV166 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV395 @ SV398 ) @ SV337 )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2114]) ).

thf(2128,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV399: $i,SV396: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV396 @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) @ SV399 ) @ SV166 ) ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2115]) ).

thf(2129,plain,
    ! [SV266: $i,SV225: $i,SV81: $i,SV381: $i,SV375: $i,SV360: $i] :
      ( ( ( SV360
          = ( ordered_pair @ SV375 @ SV381 ) )
        = $false )
      | ( ( in @ SV375 @ SV81 )
        = $false )
      | ( ( in @ SV381 @ SV225 )
        = $false )
      | ( ( in @ SV360 @ SV266 )
        = $true )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2117]) ).

thf(2130,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( in @ ( sK21_E @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV81 )
        = $true )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2118]) ).

thf(2131,plain,
    ! [SV81: $i,SV225: $i,SV266: $i,SV361: $i] :
      ( ( ( in @ ( sK22_SY312 @ SV361 @ SV266 @ SV225 @ SV81 ) @ SV225 )
        = $true )
      | ( ( in @ SV361 @ SV266 )
        = $false )
      | ( ( SV266
          = ( cartesian_product2 @ SV81 @ SV225 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2119]) ).

thf(2132,plain,
    ! [SV306: $i,SV334: $i,SV390: $i] :
      ( ( ( in @ SV390 @ ( sK43_D @ SV390 @ SV334 @ SV306 ) )
        = $false )
      | ( ( in @ SV390 @ SV334 )
        = $true )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2122]) ).

thf(2133,plain,
    ! [SV334: $i,SV391: $i,SV306: $i,SV397: $i] :
      ( ( ( in @ SV397 @ SV306 )
        = $false )
      | ( ( in @ SV391 @ SV397 )
        = $true )
      | ( ( in @ SV391 @ SV334 )
        = $false )
      | ( ( SV334
          = ( set_meet @ SV306 ) )
        = $false )
      | ( ( SV306 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2123]) ).

thf(2134,plain,
    ! [SV77: $i,SV166: $i,SV336: $i,SV394: $i] :
      ( ( ( in @ ( ordered_pair @ SV394 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SV394 ) @ SV77 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 ) )
        = $true )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2124]) ).

thf(2135,plain,
    ! [SV337: $i,SV166: $i,SV398: $i,SV77: $i,SV400: $i,SV395: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV395 @ SV400 ) @ SV77 )
          | ~ ( in @ ( ordered_pair @ SV400 @ SV398 ) @ SV166 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV395 @ SV398 ) @ SV337 )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2127]) ).

thf(2136,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV399: $i,SV396: $i] :
      ( ( ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ SV396 @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
              | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) @ SV399 ) @ SV166 ) ) )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2128]) ).

thf(2137,plain,
    ! [SV394: $i,SV77: $i,SV166: $i,SV336: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV336 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK10_D @ SV336 @ SV166 @ SV77 ) @ SV394 ) @ SV77 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV394 @ ( sK11_SY304 @ SV336 @ SV166 @ SV77 ) ) @ SV166 )
        = $false )
      | ( ( SV336
          = ( relation_composition @ SV77 @ SV166 ) )
        = $true )
      | ( ( relation @ SV336 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2134]) ).

thf(2138,plain,
    ! [SV337: $i,SV166: $i,SV398: $i,SV77: $i,SV400: $i,SV395: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV395 @ SV400 ) @ SV77 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV400 @ SV398 ) @ SV166 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV395 @ SV398 ) @ SV337 )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2135]) ).

thf(2139,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV399: $i,SV396: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV396 @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
          | ~ ( in @ ( ordered_pair @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) @ SV399 ) @ SV166 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2136]) ).

thf(2140,plain,
    ! [SV337: $i,SV166: $i,SV398: $i,SV77: $i,SV400: $i,SV395: $i] :
      ( ( ( in @ ( ordered_pair @ SV395 @ SV400 ) @ SV77 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV400 @ SV398 ) @ SV166 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV395 @ SV398 ) @ SV337 )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2138]) ).

thf(2141,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV399: $i,SV396: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV396 @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) ) @ SV77 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2139]) ).

thf(2142,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV396: $i,SV399: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) @ SV399 ) @ SV166 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2139]) ).

thf(2143,plain,
    ! [SV337: $i,SV77: $i,SV395: $i,SV166: $i,SV398: $i,SV400: $i] :
      ( ( ( in @ ( ordered_pair @ SV400 @ SV398 ) @ SV166 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV395 @ SV400 ) @ SV77 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV395 @ SV398 ) @ SV337 )
        = $true )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2140]) ).

thf(2144,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV399: $i,SV396: $i] :
      ( ( ( in @ ( ordered_pair @ SV396 @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) ) @ SV77 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2141]) ).

thf(2145,plain,
    ! [SV77: $i,SV166: $i,SV337: $i,SV396: $i,SV399: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK9_F @ SV399 @ SV396 @ SV337 @ SV166 @ SV77 ) @ SV399 ) @ SV166 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV396 @ SV399 ) @ SV337 )
        = $false )
      | ( ( SV337
          = ( relation_composition @ SV77 @ SV166 ) )
        = $false )
      | ( ( relation @ SV337 )
        = $false )
      | ( ( relation @ SV166 )
        = $false )
      | ( ( relation @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2142]) ).

thf(2146,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[415,2145,2144,2143,2137,2133,2132,2131,2130,2129,2126,2125,2121,2120,2116,2106,2105,2104,2103,2093,2089,2086,2085,2084,2081,2080,2078,2077,2072,2071,2061,2060,2059,2058,2057,2056,2055,2054,2051,2050,2041,2040,2039,2032,2025,2024,2019,2017,2013,2008,1999,1996,1994,1987,1978,1977,1974,1956,1940,1939,1927,1926,1915,1914,1911,1899,1898,1881,1880,1869,1862,1850,1847,1846,1845,1844,1837,1834,1829,1825,1824,1810,1804,1803,1801,1783,1782,1779,1774,1760,1759,1756,1751,1750,1740,1739,1738,1737,1734,1728,1727,1726,1725,1723,1722,1713,1710,1709,1693,1692,1688,1662,1657,1656,1653,1625,1624,1621,1605,1584,1583,1582,1581,1553,1550,1547,1539,1520,1519,1517,1498,1497,1496,1495,1485,1483,1482,1481,1480,1470,1462,1461,1451,1450,1445,1444,1425,1424,1407,1406,1398,1397,1396,1395,1394,1392,1364,1351,1350,1349,1331,1330,1323,1322,1308,1288,1287,1279,1277,1276,1273,1272,1268,1232,1169,1166,1165,1164,1163,1162,1159,1158,1157,1151,1150,1149,1101,1075,1074,1047,1046,1044,1043,1040,1037,1034,1033,1031,1027,1025,1021,1016,975,974,971,970,967,932,931,909,907,886,883,882,877,876,875,869,868,775,773,772,771,770,764,760,757,756,755,749,724,671,670,662,661,660,659,646,640,616,615,614,613,598,542,527,440]) ).

thf(2147,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[2146]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU188+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.35  % Computer : n015.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sun Jun 19 23:14:30 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.41  ....
% 0.20/0.47  
% 0.20/0.47   No.of.Axioms: 169
% 0.20/0.47  
% 0.20/0.47   Length.of.Defs: 0
% 0.20/0.47  
% 0.20/0.47   Contains.Choice.Funs: false
% 0.35/0.52  ..........
% 0.37/0.56  (rf:2,axioms:129,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:171,loop_count:0,foatp_calls:0,translation:fof_full).................................................................................................................................................................
% 1.10/1.54  
% 1.10/1.54  ********************************
% 1.10/1.54  *   All subproblems solved!    *
% 1.10/1.54  ********************************
% 1.10/1.54  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:2,axioms:131,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:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:2146,loop_count:0,foatp_calls:1,translation:fof_full)
% 2.60/2.85  
% 2.60/2.85  %**** Beginning of derivation protocol ****
% 2.60/2.85  % SZS output start CNFRefutation
% See solution above
% 2.60/2.86  
% 2.60/2.86  %**** End of derivation protocol ****
% 2.60/2.86  %**** no. of clauses in derivation: 2107 ****
% 2.60/2.86  %**** clause counter: 2146 ****
% 2.60/2.86  
% 2.60/2.86  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:2,axioms:131,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:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:2146,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------