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LEO-II---2.3.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU217+2 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n019.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Oct  7 10:43:28 AM UTC 2026

% Result   : Theorem 29.21s 5.09s
% Output   : CNFRefutation 29.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   47
%            Number of leaves      :   80
% Syntax   : Number of formulae    : 2120 ( 552 unt;   0 typ;   0 def)
%            Number of atoms       : 22441 (7990 equ;   0 cnn)
%            Maximal formula atoms :   11 (  10 avg)
%            Number of connectives : 51437 (11883   ~;8472   |; 159   &;30585   @)
%                                         ( 168 <=>; 170  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  111 ( 108 usr;   5 con; 0-5 aty)
%            Number of variables   : 7701 (   0   ^;7665   !;  36   ?;7701   :)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(tp_sK10_SY336,type,
    sK10_SY336: $i > $i ).

thf(tp_sK11_SY427,type,
    sK11_SY427: $i > $i > $i ).

thf(tp_sK12_SY454,type,
    sK12_SY454: $i > $i > $i ).

thf(tp_sK13_SY458,type,
    sK13_SY458: $i > $i > $i ).

thf(tp_sK14_SY464,type,
    sK14_SY464: $i > $i > $i ).

thf(tp_sK15_SY483,type,
    sK15_SY483: $i > $i > $i > $i ).

thf(tp_sK16_SY489,type,
    sK16_SY489: $i > $i > $i > $i ).

thf(tp_sK17_SY503,type,
    sK17_SY503: $i > $i > $i > $i ).

thf(tp_sK18_SY505,type,
    sK18_SY505: $i > $i > $i > $i ).

thf(tp_sK19_SY507,type,
    sK19_SY507: $i > $i > $i > $i ).

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

thf(tp_sK20_SY424,type,
    sK20_SY424: $i > $i > $i ).

thf(tp_sK21_SY531,type,
    sK21_SY531: $i > $i > $i ).

thf(tp_sK22_SY553,type,
    sK22_SY553: $i > $i > $i ).

thf(tp_sK23_SY606,type,
    sK23_SY606: $i > $i > $i ).

thf(tp_sK24_SY563,type,
    sK24_SY563: $i > $i > $i > $i ).

thf(tp_sK25_SY573,type,
    sK25_SY573: $i > $i > $i > $i ).

thf(tp_sK26_SY404,type,
    sK26_SY404: $i > $i > $i ).

thf(tp_sK27_SY510,type,
    sK27_SY510: $i > $i > $i ).

thf(tp_sK28_SY536,type,
    sK28_SY536: $i > $i > $i ).

thf(tp_sK29_SY431,type,
    sK29_SY431: $i > $i > $i ).

thf(tp_sK2_SY203,type,
    sK2_SY203: $i ).

thf(tp_sK30_SY558,type,
    sK30_SY558: $i > $i > $i ).

thf(tp_sK31_SY626,type,
    sK31_SY626: $i > $i > $i ).

thf(tp_sK32_SY628,type,
    sK32_SY628: $i > $i > $i ).

thf(tp_sK33_SY568,type,
    sK33_SY568: $i > $i > $i > $i ).

thf(tp_sK34_SY589,type,
    sK34_SY589: $i > $i > $i ).

thf(tp_sK35_SY578,type,
    sK35_SY578: $i > $i > $i > $i ).

thf(tp_sK36_SY631,type,
    sK36_SY631: $i > $i > $i ).

thf(tp_sK37_SY633,type,
    sK37_SY633: $i > $i > $i > $i ).

thf(tp_sK38_SY437,type,
    sK38_SY437: $i > $i > $i ).

thf(tp_sK39_SY634,type,
    sK39_SY634: $i > $i > $i ).

thf(tp_sK3_SY291,type,
    sK3_SY291: $i > $i ).

thf(tp_sK40_SY636,type,
    sK40_SY636: $i > $i > $i > $i ).

thf(tp_sK41_SY585,type,
    sK41_SY585: $i > $i > $i > $i ).

thf(tp_sK42_SY593,type,
    sK42_SY593: $i > $i > $i > $i ).

thf(tp_sK43_SY646,type,
    sK43_SY646: $i > $i > $i > $i ).

thf(tp_sK44_SY597,type,
    sK44_SY597: $i > $i > $i > $i > $i ).

thf(tp_sK45_SY607,type,
    sK45_SY607: $i > $i > $i > $i ).

thf(tp_sK46_SY623,type,
    sK46_SY623: $i > $i > $i ).

thf(tp_sK47_SY611,type,
    sK47_SY611: $i > $i > $i > $i ).

thf(tp_sK48_SY408,type,
    sK48_SY408: $i > $i > $i ).

thf(tp_sK49_SY615,type,
    sK49_SY615: $i > $i > $i > $i > $i ).

thf(tp_sK4_SY357,type,
    sK4_SY357: $i > $i ).

thf(tp_sK50_SY619,type,
    sK50_SY619: $i > $i > $i > $i > $i ).

thf(tp_sK51_SY596,type,
    sK51_SY596: $i > $i > $i ).

thf(tp_sK52_SY654,type,
    sK52_SY654: $i > $i > $i > $i > $i ).

thf(tp_sK53_SY603,type,
    sK53_SY603: $i > $i > $i > $i ).

thf(tp_sK54_SY640,type,
    sK54_SY640: $i > $i > $i ).

thf(tp_sK55_SY610,type,
    sK55_SY610: $i > $i > $i ).

thf(tp_sK56_SY639,type,
    sK56_SY639: $i > $i > $i > $i ).

thf(tp_sK57_SY614,type,
    sK57_SY614: $i > $i > $i ).

thf(tp_sK58_SY618,type,
    sK58_SY618: $i > $i > $i > $i ).

thf(tp_sK59_SY622,type,
    sK59_SY622: $i > $i > $i > $i ).

thf(tp_sK5_SY406,type,
    sK5_SY406: $i > $i > $i ).

thf(tp_sK60_SY657,type,
    sK60_SY657: $i > $i > $i > $i ).

thf(tp_sK61_SY610,type,
    sK61_SY610: $i > $i > $i > $i ).

thf(tp_sK62_SY614,type,
    sK62_SY614: $i > $i > $i > $i ).

thf(tp_sK63_SY650,type,
    sK63_SY650: $i > $i > $i > $i > $i > $i ).

thf(tp_sK64_SY596,type,
    sK64_SY596: $i > $i > $i > $i ).

thf(tp_sK65_SY653,type,
    sK65_SY653: $i > $i > $i > $i ).

thf(tp_sK66_SY618,type,
    sK66_SY618: $i > $i > $i > $i > $i ).

thf(tp_sK67_SY622,type,
    sK67_SY622: $i > $i > $i > $i > $i ).

thf(tp_sK68_SY653,type,
    sK68_SY653: $i > $i > $i > $i > $i ).

thf(tp_sK69_SY603,type,
    sK69_SY603: $i > $i > $i > $i > $i > $i ).

thf(tp_sK6_SY462,type,
    sK6_SY462: $i > $i > $i ).

thf(tp_sK70_SY658,type,
    sK70_SY658: $i > $i > $i > $i > $i > $i ).

thf(tp_sK7_SY277,type,
    sK7_SY277: $i > $i ).

thf(tp_sK8_SY580,type,
    sK8_SY580: $i > $i ).

thf(tp_sK9_SY328,type,
    sK9_SY328: $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(3,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_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(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(13,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_subset) ).

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

thf(55,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_subset_1) ).

thf(56,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k9_relat_1) ).

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

thf(65,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_xboole_0) ).

thf(66,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_tarski) ).

thf(68,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_xboole_0) ).

thf(69,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_tarski) ).

thf(71,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_relat_1) ).

thf(72,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_zfmisc_1) ).

thf(73,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_xboole_0) ).

thf(74,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_tarski) ).

thf(76,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_relat_1) ).

thf(77,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_zfmisc_1) ).

thf(78,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(79,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_tarski) ).

thf(80,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_setfam_1) ).

thf(81,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_relat_1) ).

thf(82,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_funct_1) ).

thf(83,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k10_relat_1) ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(127,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_dom_restriction @ B @ A )
        = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t94_relat_1) ).

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

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

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

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

thf(141,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(147,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(148,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ A ) )
     => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
          & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t54_subset_1) ).

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

thf(155,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(164,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( ( in @ C @ A )
                & ( in @ C @ B ) ) )
      & ~ ( ? [C: $i] :
              ( ( in @ C @ A )
              & ( in @ C @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_0) ).

thf(167,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(168,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t37_zfmisc_1) ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(225,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( 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(226,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

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

thf(228,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(229,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(230,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(231,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(232,plain,
    ( ( ! [A: $i] :
          ( ( relation @ ( identity_relation @ A ) )
          & ( function @ ( identity_relation @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(233,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[55]) ).

thf(234,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[56]) ).

thf(235,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[62]) ).

thf(236,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[65]) ).

thf(237,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[66]) ).

thf(238,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[68]) ).

thf(239,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[69]) ).

thf(240,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[71]) ).

thf(241,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[72]) ).

thf(242,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[73]) ).

thf(243,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[74]) ).

thf(244,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[76]) ).

thf(245,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[77]) ).

thf(246,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[78]) ).

thf(247,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[79]) ).

thf(248,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[80]) ).

thf(249,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[81]) ).

thf(250,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[82]) ).

thf(251,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[83]) ).

thf(252,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ! [C: $i] :
                  ( ( relation @ C )
                 => ( ( C
                      = ( relation_composition @ A @ B ) )
                  <=> ! [D: $i,E: $i] :
                        ( ( in @ ( ordered_pair @ D @ E ) @ C )
                      <=> ? [F: $i] :
                            ( ( in @ ( ordered_pair @ D @ F ) @ A )
                            & ( in @ ( ordered_pair @ F @ E ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[86]) ).

thf(253,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( B
                  = ( relation_inverse @ A ) )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ B )
                  <=> ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[88]) ).

thf(254,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( B
                = ( relation_rng @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[92]) ).

thf(255,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_difference @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ~ ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[93]) ).

thf(256,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( union @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[94]) ).

thf(257,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( B
                = ( relation_dom @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[96]) ).

thf(258,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_intersection2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[98]) ).

thf(259,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[99]) ).

thf(260,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( subset @ A @ B )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ A )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[100]) ).

thf(261,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( cartesian_product2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[101]) ).

thf(262,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_union2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                | ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[102]) ).

thf(263,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( unordered_pair @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( D = A )
                | ( D = B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[103]) ).

thf(264,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( in @ B @ A ) ) )
          & ( ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( empty @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[104]) ).

thf(265,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( A = B )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ A )
                  <=> ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[105]) ).

thf(266,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[106]) ).

thf(267,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[107]) ).

thf(268,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[108]) ).

thf(269,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( A != empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) ) ) ) )
          & ( ( A = empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ( B = empty_set ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[109]) ).

thf(270,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
        <=> ! [B: $i] :
              ~ ( ( in @ B @ A )
                & ! [C: $i,D: $i] :
                    ( B
                   != ( ordered_pair @ C @ D ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[110]) ).

thf(271,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( C
                = ( relation_inverse_image @ A @ B ) )
            <=> ! [D: $i] :
                  ( ( in @ D @ C )
                <=> ? [E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                      & ( in @ E @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(272,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( C
                = ( relation_image @ A @ B ) )
            <=> ! [D: $i] :
                  ( ( in @ D @ C )
                <=> ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[112]) ).

thf(273,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_rng_restriction @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ( ( in @ E @ A )
                      & ( in @ ( ordered_pair @ D @ E ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[113]) ).

thf(274,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_dom_restriction @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ( ( in @ D @ B )
                      & ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[114]) ).

thf(275,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( B
              = ( identity_relation @ A ) )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ B )
              <=> ( ( in @ C @ A )
                  & ( C = D ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[116]) ).

thf(276,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[123]) ).

thf(277,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( relation_dom_restriction @ B @ A )
            = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[127]) ).

thf(278,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[128]) ).

thf(279,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
          <=> ( ( in @ A @ B )
              & ( in @ A @ ( relation_dom @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[134]) ).

thf(280,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( relation @ D )
         => ( ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
          <=> ( ( in @ A @ C )
              & ( in @ ( ordered_pair @ A @ B ) @ D ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[137]) ).

thf(281,plain,
    ( ( ! [A: $i] :
          ( ( ( relation_dom @ ( identity_relation @ A ) )
            = A )
          & ( ( relation_rng @ ( identity_relation @ A ) )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[138]) ).

thf(282,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ ( singleton @ B ) )
            = A )
        <=> ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[141]) ).

thf(283,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ! [B: $i,C: $i] :
                ~ ( in @ ( ordered_pair @ B @ C ) @ A )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(284,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
              & ( in @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(285,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( in @ C @ ( set_intersection2 @ A @ B ) ) )
          & ~ ( ? [C: $i] : ( in @ C @ ( set_intersection2 @ A @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(286,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[155]) ).

thf(287,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( ( in @ C @ A )
                    & ( in @ C @ B ) ) )
          & ~ ( ? [C: $i] :
                  ( ( in @ C @ A )
                  & ( in @ C @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[164]) ).

thf(288,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ ( unordered_pair @ A @ B ) @ C )
        <=> ( ( in @ A @ C )
            & ( in @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(289,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(290,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ B )
            & ( function @ B ) )
         => ( ( B
              = ( identity_relation @ A ) )
          <=> ( ( ( relation_dom @ B )
                = A )
              & ! [C: $i] :
                  ( ( in @ C @ A )
                 => ( ( apply @ B @ C )
                    = C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[172]) ).

thf(291,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ ( ordered_pair @ A @ B ) @ C )
           => ( ( in @ A @ ( relation_field @ C ) )
              & ( in @ B @ ( relation_field @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[175]) ).

thf(292,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( in @ A @ B )
          & ! [C: $i,D: $i] :
              ( ( ( in @ C @ B )
                & ( subset @ D @ C ) )
             => ( in @ D @ B ) )
          & ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ ( powerset @ C ) @ B ) )
          & ! [C: $i] :
              ~ ( ( subset @ C @ B )
                & ~ ( are_equipotent @ C @ B )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[199]) ).

thf(293,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
          <=> ( ( in @ A @ B )
              & ( in @ A @ ( relation_rng @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[207]) ).

thf(294,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
        <=> ( ( in @ A @ C )
            & ( in @ B @ D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[209]) ).

thf(295,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[210]) ).

thf(296,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
        <=> ( ( in @ A @ C )
            & ( in @ B @ D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[211]) ).

thf(297,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[212]) ).

thf(298,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( in @ C @ A )
            | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[214]) ).

thf(299,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[215]) ).

thf(300,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[217]) ).

thf(301,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
         => ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[218]) ).

thf(302,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( disjoint @ ( singleton @ A ) @ B )
            & ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[219]) ).

thf(303,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[220]) ).

thf(304,plain,
    ( ( ! [SY203: $i] :
          ( ( in @ SY203 @ sK1_A )
         => ( ( apply @ ( identity_relation @ sK1_A ) @ SY203 )
            = SY203 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[224]) ).

thf(305,plain,
    ( ( ( in @ sK2_SY203 @ sK1_A )
     => ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY203 )
        = sK2_SY203 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[304]) ).

thf(306,plain,
    ( ( in @ sK2_SY203 @ sK1_A )
    = $true ),
    inference(standard_cnf,[status(thm)],[305]) ).

thf(307,plain,
    ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY203 )
      = sK2_SY203 )
    = $false ),
    inference(standard_cnf,[status(thm)],[305]) ).

thf(308,plain,
    ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY203 )
     != sK2_SY203 )
    = $true ),
    inference(polarity_switch,[status(thm)],[307]) ).

thf(309,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[303]) ).

thf(310,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( disjoint @ ( singleton @ A ) @ B )
            & ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[302]) ).

thf(311,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
         => ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[301]) ).

thf(312,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[300]) ).

thf(313,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[299]) ).

thf(314,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( in @ C @ A )
            | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[298]) ).

thf(315,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[297]) ).

thf(316,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(copy,[status(thm)],[296]) ).

thf(317,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[295]) ).

thf(318,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(copy,[status(thm)],[294]) ).

thf(319,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
          <=> ( ( in @ A @ B )
              & ( in @ A @ ( relation_rng @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[293]) ).

thf(320,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(copy,[status(thm)],[292]) ).

thf(321,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(copy,[status(thm)],[291]) ).

thf(322,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ B )
            & ( function @ B ) )
         => ( ( B
              = ( identity_relation @ A ) )
          <=> ( ( ( relation_dom @ B )
                = A )
              & ! [C: $i] :
                  ( ( in @ C @ A )
                 => ( ( apply @ B @ C )
                    = C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[290]) ).

thf(323,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[289]) ).

thf(324,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ ( unordered_pair @ A @ B ) @ C )
        <=> ( ( in @ A @ C )
            & ( in @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[288]) ).

thf(325,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(copy,[status(thm)],[287]) ).

thf(326,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( ( set_union2 @ ( singleton @ A ) @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[286]) ).

thf(327,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(copy,[status(thm)],[285]) ).

thf(328,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
              & ( in @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[284]) ).

thf(329,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ! [B: $i,C: $i] :
                ~ ( in @ ( ordered_pair @ B @ C ) @ A )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[283]) ).

thf(330,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ ( singleton @ B ) )
            = A )
        <=> ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[282]) ).

thf(331,plain,
    ( ( ! [A: $i] :
          ( ( ( relation_dom @ ( identity_relation @ A ) )
            = A )
          & ( ( relation_rng @ ( identity_relation @ A ) )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[281]) ).

thf(332,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( relation @ D )
         => ( ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
          <=> ( ( in @ A @ C )
              & ( in @ ( ordered_pair @ A @ B ) @ D ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[280]) ).

thf(333,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
          <=> ( ( in @ A @ B )
              & ( in @ A @ ( relation_dom @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[279]) ).

thf(334,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[278]) ).

thf(335,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( relation_dom_restriction @ B @ A )
            = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[277]) ).

thf(336,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[276]) ).

thf(337,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( B
              = ( identity_relation @ A ) )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ B )
              <=> ( ( in @ C @ A )
                  & ( C = D ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[275]) ).

thf(338,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_dom_restriction @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ( ( in @ D @ B )
                      & ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[274]) ).

thf(339,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_rng_restriction @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ( ( in @ E @ A )
                      & ( in @ ( ordered_pair @ D @ E ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[273]) ).

thf(340,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( C
                = ( relation_image @ A @ B ) )
            <=> ! [D: $i] :
                  ( ( in @ D @ C )
                <=> ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[272]) ).

thf(341,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( C
                = ( relation_inverse_image @ A @ B ) )
            <=> ! [D: $i] :
                  ( ( in @ D @ C )
                <=> ? [E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                      & ( in @ E @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[271]) ).

thf(342,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
        <=> ! [B: $i] :
              ~ ( ( in @ B @ A )
                & ! [C: $i,D: $i] :
                    ( B
                   != ( ordered_pair @ C @ D ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[270]) ).

thf(343,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(copy,[status(thm)],[269]) ).

thf(344,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[268]) ).

thf(345,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[267]) ).

thf(346,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[266]) ).

thf(347,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( A = B )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ A )
                  <=> ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[265]) ).

thf(348,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( in @ B @ A ) ) )
          & ( ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( empty @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[264]) ).

thf(349,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( unordered_pair @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( D = A )
                | ( D = B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[263]) ).

thf(350,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(copy,[status(thm)],[262]) ).

thf(351,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(copy,[status(thm)],[261]) ).

thf(352,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( relation @ B )
             => ( ( subset @ A @ B )
              <=> ! [C: $i,D: $i] :
                    ( ( in @ ( ordered_pair @ C @ D ) @ A )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[260]) ).

thf(353,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[259]) ).

thf(354,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(copy,[status(thm)],[258]) ).

thf(355,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(copy,[status(thm)],[257]) ).

thf(356,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( union @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[256]) ).

thf(357,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(copy,[status(thm)],[255]) ).

thf(358,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(copy,[status(thm)],[254]) ).

thf(359,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(copy,[status(thm)],[253]) ).

thf(360,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(copy,[status(thm)],[252]) ).

thf(361,plain,
    $true = $true,
    inference(copy,[status(thm)],[251]) ).

thf(362,plain,
    $true = $true,
    inference(copy,[status(thm)],[250]) ).

thf(363,plain,
    $true = $true,
    inference(copy,[status(thm)],[249]) ).

thf(364,plain,
    $true = $true,
    inference(copy,[status(thm)],[248]) ).

thf(365,plain,
    $true = $true,
    inference(copy,[status(thm)],[247]) ).

thf(366,plain,
    $true = $true,
    inference(copy,[status(thm)],[246]) ).

thf(367,plain,
    $true = $true,
    inference(copy,[status(thm)],[245]) ).

thf(368,plain,
    $true = $true,
    inference(copy,[status(thm)],[244]) ).

thf(369,plain,
    $true = $true,
    inference(copy,[status(thm)],[243]) ).

thf(370,plain,
    $true = $true,
    inference(copy,[status(thm)],[242]) ).

thf(371,plain,
    $true = $true,
    inference(copy,[status(thm)],[241]) ).

thf(372,plain,
    $true = $true,
    inference(copy,[status(thm)],[240]) ).

thf(373,plain,
    $true = $true,
    inference(copy,[status(thm)],[239]) ).

thf(374,plain,
    $true = $true,
    inference(copy,[status(thm)],[238]) ).

thf(375,plain,
    $true = $true,
    inference(copy,[status(thm)],[237]) ).

thf(376,plain,
    $true = $true,
    inference(copy,[status(thm)],[236]) ).

thf(377,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[235]) ).

thf(378,plain,
    $true = $true,
    inference(copy,[status(thm)],[234]) ).

thf(379,plain,
    $true = $true,
    inference(copy,[status(thm)],[233]) ).

thf(380,plain,
    ( ( ! [A: $i] :
          ( ( relation @ ( identity_relation @ A ) )
          & ( function @ ( identity_relation @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[232]) ).

thf(381,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[231]) ).

thf(382,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[230]) ).

thf(383,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[229]) ).

thf(384,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[228]) ).

thf(385,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[227]) ).

thf(386,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[226]) ).

thf(387,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(copy,[status(thm)],[225]) ).

thf(388,plain,
    ( ( in @ sK2_SY203 @ sK1_A )
    = $true ),
    inference(copy,[status(thm)],[306]) ).

thf(389,plain,
    ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY203 )
     != sK2_SY203 )
    = $true ),
    inference(copy,[status(thm)],[308]) ).

thf(390,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[336]) ).

thf(391,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SX0 @ SX1 )
                    | ~ ! [SX2: $i] :
                          ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) ) )
            | ~ ~ ~ ( ~ ~ ! [SX2: $i] :
                            ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
                    | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[327]) ).

thf(392,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( in @ SX0 @ SX1 )
          | ( disjoint @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[311]) ).

thf(393,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ! [SX2: $i] :
                ~ ( ~ ( ~ ( in @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) )
                  | ~ ( ~ ( in @ SX2 @ SX1 )
                      | ( in @ SX2 @ SX0 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[383]) ).

thf(394,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ( relation @ SX1 )
                | ~ ( function @ SX1 ) )
          | ~ ( ~ ( ( SX1
                   != ( identity_relation @ SX0 ) )
                  | ~ ( ( ( relation_dom @ SX1 )
                       != SX0 )
                      | ~ ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SX0 )
                            | ( ( apply @ SX1 @ SX2 )
                              = SX2 ) ) ) )
              | ~ ( ~ ~ ( ( ( relation_dom @ SX1 )
                         != SX0 )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX0 )
                              | ( ( apply @ SX1 @ SX2 )
                                = SX2 ) ) )
                  | ( SX1
                    = ( identity_relation @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[322]) ).

thf(395,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) )
                | ~ ( ~ ( in @ SX0 @ SX2 )
                    | ~ ( in @ SX1 @ SX3 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SX0 @ SX2 )
                      | ~ ( in @ SX1 @ SX3 ) )
                | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[316]) ).

thf(396,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( relation @ SX1 )
              | ~ ( ~ ( ( SX0 != SX1 )
                      | ! [SX2: $i,SX3: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                                | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                                | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 ) ) ) )
                  | ~ ( ~ ! [SX2: $i,SX3: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                                  | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                              | ~ ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                                  | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 ) ) )
                      | ( SX0 = SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[347]) ).

thf(397,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
                | ( in @ SX0 @ SX1 ) )
            | ~ ( ~ ( in @ SX0 @ SX1 )
                | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[312]) ).

thf(398,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( relation @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( ~ ( ( SX2
                           != ( relation_composition @ SX0 @ SX1 ) )
                          | ! [SX3: $i,SX4: $i] :
                              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                    | ~ ! [SX5: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX5 ) @ SX0 )
                                              | ~ ( in @ ( ordered_pair @ SX5 @ SX4 ) @ SX1 ) ) )
                                | ~ ( ~ ~ ! [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 )
                                      | ~ ! [SX5: $i] :
                                            ~ ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX5 ) @ SX0 )
                                                | ~ ( in @ ( ordered_pair @ SX5 @ SX4 ) @ SX1 ) ) )
                                  | ~ ( ~ ~ ! [SX5: $i] :
                                              ~ ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX5 ) @ SX0 )
                                                  | ~ ( in @ ( ordered_pair @ SX5 @ SX4 ) @ SX1 ) )
                                      | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) ) )
                          | ( SX2
                            = ( relation_composition @ SX0 @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[360]) ).

thf(399,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( cartesian_product2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ! [SX4: $i] :
                                ~ ~ ! [SX5: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                | ~ ( in @ SX5 @ SX1 ) )
                                          | ( SX3
                                           != ( ordered_pair @ SX4 @ SX5 ) ) ) )
                      | ~ ( ~ ~ ! [SX4: $i] :
                                  ~ ~ ! [SX5: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                  | ~ ( in @ SX5 @ SX1 ) )
                                            | ( SX3
                                             != ( ordered_pair @ SX4 @ SX5 ) ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ! [SX4: $i] :
                                  ~ ~ ! [SX5: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                  | ~ ( in @ SX5 @ SX1 ) )
                                            | ( SX3
                                             != ( ordered_pair @ SX4 @ SX5 ) ) ) )
                        | ~ ( ~ ~ ! [SX4: $i] :
                                    ~ ~ ! [SX5: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                    | ~ ( in @ SX5 @ SX1 ) )
                                              | ( SX3
                                               != ( ordered_pair @ SX4 @ SX5 ) ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( cartesian_product2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[351]) ).

thf(400,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ~ ( ~ ( ( SX1
                   != ( identity_relation @ SX0 ) )
                  | ! [SX2: $i,SX3: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                            | ~ ( ~ ( in @ SX2 @ SX0 )
                                | ( SX2 != SX3 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SX2 @ SX0 )
                                  | ( SX2 != SX3 ) )
                            | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) ) )
              | ~ ( ~ ! [SX2: $i,SX3: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                              | ~ ( ~ ( in @ SX2 @ SX0 )
                                  | ( SX2 != SX3 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SX2 @ SX0 )
                                    | ( SX2 != SX3 ) )
                              | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) )
                  | ( SX1
                    = ( identity_relation @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[337]) ).

thf(401,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX1
                 != ( powerset @ SX0 ) )
                | ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ( subset @ SX2 @ SX0 ) )
                      | ~ ( ~ ( subset @ SX2 @ SX0 )
                          | ( in @ SX2 @ SX1 ) ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                            | ( subset @ SX2 @ SX0 ) )
                        | ~ ( ~ ( subset @ SX2 @ SX0 )
                            | ( in @ SX2 @ SX1 ) ) )
                | ( SX1
                  = ( powerset @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[346]) ).

thf(402,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i,SX2: $i] :
              ~ ( ~ ( ( SX2
                     != ( relation_inverse_image @ SX0 @ SX1 ) )
                    | ! [SX3: $i] :
                        ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                              | ~ ! [SX4: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 )
                                        | ~ ( in @ SX4 @ SX1 ) ) )
                          | ~ ( ~ ~ ! [SX4: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 )
                                          | ~ ( in @ SX4 @ SX1 ) )
                              | ( in @ SX3 @ SX2 ) ) ) )
                | ~ ( ~ ! [SX3: $i] :
                          ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                                | ~ ! [SX4: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 )
                                          | ~ ( in @ SX4 @ SX1 ) ) )
                            | ~ ( ~ ~ ! [SX4: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 )
                                            | ~ ( in @ SX4 @ SX1 ) )
                                | ( in @ SX3 @ SX2 ) ) )
                    | ( SX2
                      = ( relation_inverse_image @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[341]) ).

thf(403,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ~ ( ~ ( ( SX1
                     != ( relation_rng @ SX0 ) )
                    | ! [SX2: $i] :
                        ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                              | ~ ! [SX3: $i] :
                                    ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 ) )
                          | ~ ( ~ ~ ! [SX3: $i] :
                                      ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 )
                              | ( in @ SX2 @ SX1 ) ) ) )
                | ~ ( ~ ! [SX2: $i] :
                          ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                                | ~ ! [SX3: $i] :
                                      ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 ) )
                            | ~ ( ~ ~ ! [SX3: $i] :
                                        ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 )
                                | ( in @ SX2 @ SX1 ) ) )
                    | ( SX1
                      = ( relation_rng @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[358]) ).

thf(404,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( relation @ SX1 )
              | ~ ( ~ ( ~ ( subset @ SX0 @ SX1 )
                      | ! [SX2: $i,SX3: $i] :
                          ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                          | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) )
                  | ~ ( ~ ! [SX2: $i,SX3: $i] :
                            ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                            | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                      | ( subset @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[352]) ).

thf(405,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( set_union2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ( in @ SX3 @ SX0 )
                          | ( in @ SX3 @ SX1 ) )
                      | ~ ( ~ ( ( in @ SX3 @ SX0 )
                              | ( in @ SX3 @ SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ( in @ SX3 @ SX0 )
                            | ( in @ SX3 @ SX1 ) )
                        | ~ ( ~ ( ( in @ SX3 @ SX0 )
                                | ( in @ SX3 @ SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( set_union2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[350]) ).

thf(406,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ! [SX1: $i,SX2: $i] :
                ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[329]) ).

thf(407,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( ( set_union2 @ ( singleton @ SX0 ) @ SX1 )
            = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[309]) ).

thf(408,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i,SX2: $i] :
              ( ~ ( relation @ SX2 )
              | ~ ( ~ ( ( SX2
                       != ( relation_dom_restriction @ SX0 @ SX1 ) )
                      | ! [SX3: $i,SX4: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                | ~ ( ~ ( in @ SX3 @ SX1 )
                                    | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX1 )
                                      | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 ) )
                                | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) ) ) )
                  | ~ ( ~ ! [SX3: $i,SX4: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                  | ~ ( ~ ( in @ SX3 @ SX1 )
                                      | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX1 )
                                        | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX0 ) )
                                  | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) ) )
                      | ( SX2
                        = ( relation_dom_restriction @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[338]) ).

thf(409,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SX0 @ SX1 )
                    | ~ ! [SX2: $i] :
                          ~ ~ ( ~ ( in @ SX2 @ SX0 )
                              | ~ ( in @ SX2 @ SX1 ) ) )
            | ~ ~ ~ ( ~ ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( in @ SX2 @ SX0 )
                                | ~ ( in @ SX2 @ SX1 ) )
                    | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[325]) ).

thf(410,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( relation @ SX2 )
          | ~ ( ~ ( ~ ( in @ SX0 @ ( relation_rng @ ( relation_rng_restriction @ SX1 @ SX2 ) ) )
                  | ~ ( ~ ( in @ SX0 @ SX1 )
                      | ~ ( in @ SX0 @ ( relation_rng @ SX2 ) ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                        | ~ ( in @ SX0 @ ( relation_rng @ SX2 ) ) )
                  | ( in @ SX0 @ ( relation_rng @ ( relation_rng_restriction @ SX1 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[319]) ).

thf(411,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                              | ~ ! [SX2: $i,SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX2 @ SX1 )
                                          | ~ ( subset @ SX3 @ SX2 ) )
                                    | ( in @ SX3 @ SX1 ) ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX1 )
                              | ( in @ ( powerset @ SX2 ) @ SX1 ) ) )
                  | ~ ! [SX2: $i] :
                        ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SX1 )
                                  | ~ ~ ( are_equipotent @ SX2 @ SX1 ) )
                            | ~ ~ ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[320]) ).

thf(412,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ SX1 )
          | ( empty @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[382]) ).

thf(413,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
                | ( in @ SX0 @ SX1 ) )
            | ~ ( ~ ( in @ SX0 @ SX1 )
                | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[323]) ).

thf(414,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( ( SX0 != empty_set ) )
                | ~ ( ~ ( ( SX1
                         != ( set_meet @ SX0 ) )
                        | ! [SX2: $i] :
                            ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                                  | ! [SX3: $i] :
                                      ( ~ ( in @ SX3 @ SX0 )
                                      | ( in @ SX2 @ SX3 ) ) )
                              | ~ ( ~ ! [SX3: $i] :
                                        ( ~ ( in @ SX3 @ SX0 )
                                        | ( in @ SX2 @ SX3 ) )
                                  | ( in @ SX2 @ SX1 ) ) ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                                    | ! [SX3: $i] :
                                        ( ~ ( in @ SX3 @ SX0 )
                                        | ( in @ SX2 @ SX3 ) ) )
                                | ~ ( ~ ! [SX3: $i] :
                                          ( ~ ( in @ SX3 @ SX0 )
                                          | ( in @ SX2 @ SX3 ) )
                                    | ( in @ SX2 @ SX1 ) ) )
                        | ( SX1
                          = ( set_meet @ SX0 ) ) ) ) )
            | ~ ( ( SX0 != empty_set )
                | ~ ( ~ ( ( SX1
                         != ( set_meet @ SX0 ) )
                        | ( SX1 = empty_set ) )
                    | ~ ( ( SX1 != empty_set )
                        | ( SX1
                          = ( set_meet @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[343]) ).

thf(415,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ( ~ ( relation @ SX3 )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( relation_composition @ ( identity_relation @ SX2 ) @ SX3 ) )
                  | ~ ( ~ ( in @ SX0 @ SX2 )
                      | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX3 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SX0 @ SX2 )
                        | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX3 ) )
                  | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( relation_composition @ ( identity_relation @ SX2 ) @ SX3 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[332]) ).

thf(416,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ( ( relation_dom_restriction @ SX1 @ SX0 )
            = ( relation_composition @ ( identity_relation @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[335]) ).

thf(417,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) )
                | ~ ( ~ ( in @ SX0 @ SX2 )
                    | ~ ( in @ SX1 @ SX3 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SX0 @ SX2 )
                      | ~ ( in @ SX1 @ SX3 ) )
                | ( in @ ( ordered_pair @ SX0 @ SX1 ) @ ( cartesian_product2 @ SX2 @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[318]) ).

thf(418,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i,SX2: $i] :
              ~ ( ~ ( ( SX2
                     != ( relation_image @ SX0 @ SX1 ) )
                    | ! [SX3: $i] :
                        ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                              | ~ ! [SX4: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SX4 @ SX3 ) @ SX0 )
                                        | ~ ( in @ SX4 @ SX1 ) ) )
                          | ~ ( ~ ~ ! [SX4: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SX4 @ SX3 ) @ SX0 )
                                          | ~ ( in @ SX4 @ SX1 ) )
                              | ( in @ SX3 @ SX2 ) ) ) )
                | ~ ( ~ ! [SX3: $i] :
                          ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                                | ~ ! [SX4: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SX4 @ SX3 ) @ SX0 )
                                          | ~ ( in @ SX4 @ SX1 ) ) )
                            | ~ ( ~ ~ ! [SX4: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SX4 @ SX3 ) @ SX0 )
                                            | ~ ( in @ SX4 @ SX1 ) )
                                | ( in @ SX3 @ SX2 ) ) )
                    | ( SX2
                      = ( relation_image @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[340]) ).

thf(419,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ~ ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 )
                | ~ ( ~ ( in @ SX0 @ SX2 )
                    | ~ ( in @ SX1 @ SX2 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SX0 @ SX2 )
                      | ~ ( in @ SX1 @ SX2 ) )
                | ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[324]) ).

thf(420,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( relation @ ( identity_relation @ SX0 ) )
            | ~ ( function @ ( identity_relation @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[380]) ).

thf(421,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                | ~ ( element @ SX1 @ ( powerset @ SX2 ) ) )
          | ( element @ SX0 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[384]) ).

thf(422,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ~ ( empty @ SX0 )
                | ~ ( ~ ( ~ ( element @ SX1 @ SX0 )
                        | ( in @ SX1 @ SX0 ) )
                    | ~ ( ~ ( in @ SX1 @ SX0 )
                        | ( element @ SX1 @ SX0 ) ) ) )
            | ~ ( ~ ( empty @ SX0 )
                | ~ ( ~ ( ~ ( element @ SX1 @ SX0 )
                        | ( empty @ SX1 ) )
                    | ~ ( ~ ( empty @ SX1 )
                        | ( element @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[348]) ).

thf(423,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( ~ ( relation @ SX0 )
                | ! [SX1: $i] :
                    ~ ~ ( ~ ( in @ SX1 @ SX0 )
                        | ~ ! [SX2: $i,SX3: $i] :
                              ( SX1
                             != ( ordered_pair @ SX2 @ SX3 ) ) ) )
            | ~ ( ~ ! [SX1: $i] :
                      ~ ~ ( ~ ( in @ SX1 @ SX0 )
                          | ~ ! [SX2: $i,SX3: $i] :
                                ( SX1
                               != ( ordered_pair @ SX2 @ SX3 ) ) )
                | ( relation @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[342]) ).

thf(424,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( in @ SX2 @ SX0 )
          | ( subset @ SX0 @ ( set_difference @ SX1 @ ( singleton @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[314]) ).

thf(425,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( relation @ SX2 )
          | ~ ( in @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 )
          | ~ ( ~ ( in @ SX0 @ ( relation_field @ SX2 ) )
              | ~ ( in @ SX1 @ ( relation_field @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[321]) ).

thf(426,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ~ ( in @ SX1 @ SX0 ) )
            | ~ ( ~ ! [SX1: $i] :
                      ~ ( in @ SX1 @ SX0 )
                | ( SX0 = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[345]) ).

thf(427,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( relation @ SX2 )
              | ~ ( ~ ( ( SX2
                       != ( relation_rng_restriction @ SX0 @ SX1 ) )
                      | ! [SX3: $i,SX4: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                | ~ ( ~ ( in @ SX4 @ SX0 )
                                    | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX1 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                      | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX1 ) )
                                | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) ) ) )
                  | ~ ( ~ ! [SX3: $i,SX4: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 )
                                  | ~ ( ~ ( in @ SX4 @ SX0 )
                                      | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX1 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                        | ~ ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX1 ) )
                                  | ( in @ ( ordered_pair @ SX3 @ SX4 ) @ SX2 ) ) )
                      | ( SX2
                        = ( relation_rng_restriction @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[339]) ).

thf(428,plain,
    ( ( ! [SX0: $i] :
          ~ ( ( ( relation_dom @ ( identity_relation @ SX0 ) )
             != SX0 )
            | ( ( relation_rng @ ( identity_relation @ SX0 ) )
             != SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[331]) ).

thf(429,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX1
                 != ( singleton @ SX0 ) )
                | ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ( SX2 = SX0 ) )
                      | ~ ( ( SX2 != SX0 )
                          | ( in @ SX2 @ SX1 ) ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                            | ( SX2 = SX0 ) )
                        | ~ ( ( SX2 != SX0 )
                            | ( in @ SX2 @ SX1 ) ) )
                | ( SX1
                  = ( singleton @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[344]) ).

thf(430,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX1
                 != ( union @ SX0 ) )
                | ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ~ ! [SX3: $i] :
                                ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                    | ~ ( in @ SX3 @ SX0 ) ) )
                      | ~ ( ~ ~ ! [SX3: $i] :
                                  ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                      | ~ ( in @ SX3 @ SX0 ) )
                          | ( in @ SX2 @ SX1 ) ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                            | ~ ! [SX3: $i] :
                                  ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                      | ~ ( in @ SX3 @ SX0 ) ) )
                        | ~ ( ~ ~ ! [SX3: $i] :
                                    ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                        | ~ ( in @ SX3 @ SX0 ) )
                            | ( in @ SX2 @ SX1 ) ) )
                | ( SX1
                  = ( union @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[356]) ).

thf(431,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( relation @ SX2 )
          | ~ ( ~ ( ~ ( in @ SX0 @ ( relation_dom @ ( relation_dom_restriction @ SX2 @ SX1 ) ) )
                  | ~ ( ~ ( in @ SX0 @ SX1 )
                      | ~ ( in @ SX0 @ ( relation_dom @ SX2 ) ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                        | ~ ( in @ SX0 @ ( relation_dom @ SX2 ) ) )
                  | ( in @ SX0 @ ( relation_dom @ ( relation_dom_restriction @ SX2 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[333]) ).

thf(432,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ~ ( ~ ( disjoint @ ( singleton @ SX0 ) @ SX1 )
              | ~ ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[310]) ).

thf(433,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ SX0 @ ( union @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[315]) ).

thf(434,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                              | ~ ! [SX2: $i,SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX2 @ SX1 )
                                          | ~ ( subset @ SX3 @ SX2 ) )
                                    | ( in @ SX3 @ SX1 ) ) )
                        | ~ ! [SX2: $i] :
                              ~ ~ ( ~ ( in @ SX2 @ SX1 )
                                  | ~ ! [SX3: $i] :
                                        ~ ~ ( ~ ( in @ SX3 @ SX1 )
                                            | ~ ! [SX4: $i] :
                                                  ( ~ ( subset @ SX4 @ SX2 )
                                                  | ( in @ SX4 @ SX3 ) ) ) ) )
                  | ~ ! [SX2: $i] :
                        ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SX1 )
                                  | ~ ~ ( are_equipotent @ SX2 @ SX1 ) )
                            | ~ ~ ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[387]) ).

thf(435,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ~ ( ~ ( ( SX1
                     != ( relation_dom @ SX0 ) )
                    | ! [SX2: $i] :
                        ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                              | ~ ! [SX3: $i] :
                                    ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 ) )
                          | ~ ( ~ ~ ! [SX3: $i] :
                                      ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                              | ( in @ SX2 @ SX1 ) ) ) )
                | ~ ( ~ ! [SX2: $i] :
                          ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                                | ~ ! [SX3: $i] :
                                      ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 ) )
                            | ~ ( ~ ~ ! [SX3: $i] :
                                        ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                                | ( in @ SX2 @ SX1 ) ) )
                    | ( SX1
                      = ( relation_dom @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[355]) ).

thf(436,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[317]) ).

thf(437,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ 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 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 )
                                | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) ) )
                  | ~ ( ~ ! [SX2: $i,SX3: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                                  | ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 ) )
                              | ~ ( ~ ( in @ ( ordered_pair @ SX3 @ SX2 ) @ SX0 )
                                  | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) )
                      | ( SX1
                        = ( relation_inverse @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[359]) ).

thf(438,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
                 != SX0 )
                | ~ ( in @ SX1 @ SX0 ) )
            | ~ ( ~ ~ ( in @ SX1 @ SX0 )
                | ( ( set_difference @ SX0 @ ( singleton @ SX1 ) )
                  = SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[330]) ).

thf(439,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ SX0 @ ( union @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[334]) ).

thf(440,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( element @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[381]) ).

thf(441,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[353]) ).

thf(442,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( element @ SX2 @ ( powerset @ SX0 ) )
          | ~ ~ ( ~ ( in @ SX1 @ ( subset_complement @ SX0 @ SX2 ) )
                | ~ ( in @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[328]) ).

thf(443,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX1 )
              | ( in @ SX2 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[313]) ).

thf(444,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( unordered_pair @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ( SX3 = SX0 )
                          | ( SX3 = SX1 ) )
                      | ~ ( ~ ( ( SX3 = SX0 )
                              | ( SX3 = SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ( SX3 = SX0 )
                            | ( SX3 = SX1 ) )
                        | ~ ( ~ ( ( SX3 = SX0 )
                                | ( SX3 = SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( unordered_pair @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[349]) ).

thf(445,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( ( set_union2 @ ( singleton @ SX0 ) @ SX1 )
            = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[326]) ).

thf(446,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( set_difference @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ( ~ ( in @ SX3 @ SX0 )
                              | ~ ~ ( in @ SX3 @ SX1 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ~ ( in @ SX3 @ SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ~ ( in @ SX3 @ SX1 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                  | ~ ~ ( in @ SX3 @ SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[357]) ).

thf(447,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                    | ~ ( element @ SX1 @ ( powerset @ SX2 ) ) )
              | ~ ( empty @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[385]) ).

thf(448,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( set_intersection2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ( ~ ( in @ SX3 @ SX0 )
                              | ~ ( in @ SX3 @ SX1 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                  | ~ ( in @ SX3 @ SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( set_intersection2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[354]) ).

thf(449,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ~ ( ~ ( in @ SX0 @ SX1 )
              | ~ ( empty @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[386]) ).

thf(450,plain,
    ! [SV1: $i] :
      ( ( relation @ ( identity_relation @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[377]) ).

thf(451,plain,
    ( ( ( apply @ ( identity_relation @ sK1_A ) @ sK2_SY203 )
      = sK2_SY203 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[389]) ).

thf(452,plain,
    ! [SV2: $i] :
      ( ( ! [SY204: $i] :
            ( ~ ( in @ SV2 @ SY204 )
            | ~ ( in @ SY204 @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[390]) ).

thf(453,plain,
    ! [SV3: $i] :
      ( ( ! [SY205: $i] :
            ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SV3 @ SY205 )
                      | ~ ! [SY206: $i] :
                            ~ ( in @ SY206 @ ( set_intersection2 @ SV3 @ SY205 ) ) )
              | ~ ~ ~ ( ~ ~ ! [SY207: $i] :
                              ~ ( in @ SY207 @ ( set_intersection2 @ SV3 @ SY205 ) )
                      | ~ ( disjoint @ SV3 @ SY205 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[391]) ).

thf(454,plain,
    ! [SV4: $i] :
      ( ( ! [SY208: $i] :
            ( ~ ~ ( in @ SV4 @ SY208 )
            | ( disjoint @ ( singleton @ SV4 ) @ SY208 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[392]) ).

thf(455,plain,
    ! [SV5: $i] :
      ( ( ! [SY209: $i] :
            ( ~ ! [SY210: $i] :
                  ~ ( ~ ( ~ ( in @ SY210 @ SV5 )
                        | ( in @ SY210 @ SY209 ) )
                    | ~ ( ~ ( in @ SY210 @ SY209 )
                        | ( in @ SY210 @ SV5 ) ) )
            | ( SV5 = SY209 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[393]) ).

thf(456,plain,
    ! [SV6: $i] :
      ( ( ! [SY211: $i] :
            ( ~ ~ ( ~ ( relation @ SY211 )
                  | ~ ( function @ SY211 ) )
            | ~ ( ~ ( ( SY211
                     != ( identity_relation @ SV6 ) )
                    | ~ ( ( ( relation_dom @ SY211 )
                         != SV6 )
                        | ~ ! [SY212: $i] :
                              ( ~ ( in @ SY212 @ SV6 )
                              | ( ( apply @ SY211 @ SY212 )
                                = SY212 ) ) ) )
                | ~ ( ~ ~ ( ( ( relation_dom @ SY211 )
                           != SV6 )
                          | ~ ! [SY213: $i] :
                                ( ~ ( in @ SY213 @ SV6 )
                                | ( ( apply @ SY211 @ SY213 )
                                  = SY213 ) ) )
                    | ( SY211
                      = ( identity_relation @ SV6 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[394]) ).

thf(457,plain,
    ! [SV7: $i] :
      ( ( ! [SY214: $i,SY215: $i,SY216: $i] :
            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV7 @ SY214 ) @ ( cartesian_product2 @ SY215 @ SY216 ) )
                  | ~ ( ~ ( in @ SV7 @ SY215 )
                      | ~ ( in @ SY214 @ SY216 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV7 @ SY215 )
                        | ~ ( in @ SY214 @ SY216 ) )
                  | ( in @ ( ordered_pair @ SV7 @ SY214 ) @ ( cartesian_product2 @ SY215 @ SY216 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[395]) ).

thf(458,plain,
    ! [SV8: $i] :
      ( ( ~ ( relation @ SV8 )
        | ! [SY217: $i] :
            ( ~ ( relation @ SY217 )
            | ~ ( ~ ( ( SV8 != SY217 )
                    | ! [SY218: $i,SY219: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SV8 )
                              | ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SY217 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SY217 )
                              | ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SV8 ) ) ) )
                | ~ ( ~ ! [SY220: $i,SY221: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SV8 )
                                | ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SY217 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SY217 )
                                | ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SV8 ) ) )
                    | ( SV8 = SY217 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[396]) ).

thf(459,plain,
    ! [SV9: $i] :
      ( ( ! [SY222: $i] :
            ~ ( ~ ( ~ ( subset @ ( singleton @ SV9 ) @ SY222 )
                  | ( in @ SV9 @ SY222 ) )
              | ~ ( ~ ( in @ SV9 @ SY222 )
                  | ( subset @ ( singleton @ SV9 ) @ SY222 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[397]) ).

thf(460,plain,
    ! [SV10: $i] :
      ( ( ~ ( relation @ SV10 )
        | ! [SY223: $i] :
            ( ~ ( relation @ SY223 )
            | ! [SY224: $i] :
                ( ~ ( relation @ SY224 )
                | ~ ( ~ ( ( SY224
                         != ( relation_composition @ SV10 @ SY223 ) )
                        | ! [SY225: $i,SY226: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY226 ) @ SY224 )
                                  | ~ ! [SY227: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY227 ) @ SV10 )
                                            | ~ ( in @ ( ordered_pair @ SY227 @ SY226 ) @ SY223 ) ) )
                              | ~ ( ~ ~ ! [SY228: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY228 ) @ SV10 )
                                              | ~ ( in @ ( ordered_pair @ SY228 @ SY226 ) @ SY223 ) )
                                  | ( in @ ( ordered_pair @ SY225 @ SY226 ) @ SY224 ) ) ) )
                    | ~ ( ~ ! [SY229: $i,SY230: $i] :
                              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY230 ) @ SY224 )
                                    | ~ ! [SY231: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY231 ) @ SV10 )
                                              | ~ ( in @ ( ordered_pair @ SY231 @ SY230 ) @ SY223 ) ) )
                                | ~ ( ~ ~ ! [SY232: $i] :
                                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY232 ) @ SV10 )
                                                | ~ ( in @ ( ordered_pair @ SY232 @ SY230 ) @ SY223 ) )
                                    | ( in @ ( ordered_pair @ SY229 @ SY230 ) @ SY224 ) ) )
                        | ( SY224
                          = ( relation_composition @ SV10 @ SY223 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[398]) ).

thf(461,plain,
    ! [SV11: $i] :
      ( ( ! [SY233: $i,SY234: $i] :
            ~ ( ~ ( ( SY234
                   != ( cartesian_product2 @ SV11 @ SY233 ) )
                  | ! [SY235: $i] :
                      ~ ( ~ ( ~ ( in @ SY235 @ SY234 )
                            | ~ ! [SY236: $i] :
                                  ~ ~ ! [SY237: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY236 @ SV11 )
                                                  | ~ ( in @ SY237 @ SY233 ) )
                                            | ( SY235
                                             != ( ordered_pair @ SY236 @ SY237 ) ) ) )
                        | ~ ( ~ ~ ! [SY238: $i] :
                                    ~ ~ ! [SY239: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY238 @ SV11 )
                                                    | ~ ( in @ SY239 @ SY233 ) )
                                              | ( SY235
                                               != ( ordered_pair @ SY238 @ SY239 ) ) )
                            | ( in @ SY235 @ SY234 ) ) ) )
              | ~ ( ~ ! [SY240: $i] :
                        ~ ( ~ ( ~ ( in @ SY240 @ SY234 )
                              | ~ ! [SY241: $i] :
                                    ~ ~ ! [SY242: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY241 @ SV11 )
                                                    | ~ ( in @ SY242 @ SY233 ) )
                                              | ( SY240
                                               != ( ordered_pair @ SY241 @ SY242 ) ) ) )
                          | ~ ( ~ ~ ! [SY243: $i] :
                                      ~ ~ ! [SY244: $i] :
                                            ~ ~ ( ~ ~ ( ~ ( in @ SY243 @ SV11 )
                                                      | ~ ( in @ SY244 @ SY233 ) )
                                                | ( SY240
                                                 != ( ordered_pair @ SY243 @ SY244 ) ) )
                              | ( in @ SY240 @ SY234 ) ) )
                  | ( SY234
                    = ( cartesian_product2 @ SV11 @ SY233 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[399]) ).

thf(462,plain,
    ! [SV12: $i] :
      ( ( ! [SY245: $i] :
            ( ~ ( relation @ SY245 )
            | ~ ( ~ ( ( SY245
                     != ( identity_relation @ SV12 ) )
                    | ! [SY246: $i,SY247: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY246 @ SY247 ) @ SY245 )
                              | ~ ( ~ ( in @ SY246 @ SV12 )
                                  | ( SY246 != SY247 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY246 @ SV12 )
                                    | ( SY246 != SY247 ) )
                              | ( in @ ( ordered_pair @ SY246 @ SY247 ) @ SY245 ) ) ) )
                | ~ ( ~ ! [SY248: $i,SY249: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY248 @ SY249 ) @ SY245 )
                                | ~ ( ~ ( in @ SY248 @ SV12 )
                                    | ( SY248 != SY249 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY248 @ SV12 )
                                      | ( SY248 != SY249 ) )
                                | ( in @ ( ordered_pair @ SY248 @ SY249 ) @ SY245 ) ) )
                    | ( SY245
                      = ( identity_relation @ SV12 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[400]) ).

thf(463,plain,
    ! [SV13: $i] :
      ( ( ! [SY250: $i] :
            ~ ( ~ ( ( SY250
                   != ( powerset @ SV13 ) )
                  | ! [SY251: $i] :
                      ~ ( ~ ( ~ ( in @ SY251 @ SY250 )
                            | ( subset @ SY251 @ SV13 ) )
                        | ~ ( ~ ( subset @ SY251 @ SV13 )
                            | ( in @ SY251 @ SY250 ) ) ) )
              | ~ ( ~ ! [SY252: $i] :
                        ~ ( ~ ( ~ ( in @ SY252 @ SY250 )
                              | ( subset @ SY252 @ SV13 ) )
                          | ~ ( ~ ( subset @ SY252 @ SV13 )
                              | ( in @ SY252 @ SY250 ) ) )
                  | ( SY250
                    = ( powerset @ SV13 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[401]) ).

thf(464,plain,
    ! [SV14: $i] :
      ( ( ~ ( relation @ SV14 )
        | ! [SY253: $i,SY254: $i] :
            ~ ( ~ ( ( SY254
                   != ( relation_inverse_image @ SV14 @ SY253 ) )
                  | ! [SY255: $i] :
                      ~ ( ~ ( ~ ( in @ SY255 @ SY254 )
                            | ~ ! [SY256: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY255 @ SY256 ) @ SV14 )
                                      | ~ ( in @ SY256 @ SY253 ) ) )
                        | ~ ( ~ ~ ! [SY257: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY255 @ SY257 ) @ SV14 )
                                        | ~ ( in @ SY257 @ SY253 ) )
                            | ( in @ SY255 @ SY254 ) ) ) )
              | ~ ( ~ ! [SY258: $i] :
                        ~ ( ~ ( ~ ( in @ SY258 @ SY254 )
                              | ~ ! [SY259: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY258 @ SY259 ) @ SV14 )
                                        | ~ ( in @ SY259 @ SY253 ) ) )
                          | ~ ( ~ ~ ! [SY260: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY258 @ SY260 ) @ SV14 )
                                          | ~ ( in @ SY260 @ SY253 ) )
                              | ( in @ SY258 @ SY254 ) ) )
                  | ( SY254
                    = ( relation_inverse_image @ SV14 @ SY253 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[402]) ).

thf(465,plain,
    ! [SV15: $i] :
      ( ( ~ ( relation @ SV15 )
        | ! [SY261: $i] :
            ~ ( ~ ( ( SY261
                   != ( relation_rng @ SV15 ) )
                  | ! [SY262: $i] :
                      ~ ( ~ ( ~ ( in @ SY262 @ SY261 )
                            | ~ ! [SY263: $i] :
                                  ~ ( in @ ( ordered_pair @ SY263 @ SY262 ) @ SV15 ) )
                        | ~ ( ~ ~ ! [SY264: $i] :
                                    ~ ( in @ ( ordered_pair @ SY264 @ SY262 ) @ SV15 )
                            | ( in @ SY262 @ SY261 ) ) ) )
              | ~ ( ~ ! [SY265: $i] :
                        ~ ( ~ ( ~ ( in @ SY265 @ SY261 )
                              | ~ ! [SY266: $i] :
                                    ~ ( in @ ( ordered_pair @ SY266 @ SY265 ) @ SV15 ) )
                          | ~ ( ~ ~ ! [SY267: $i] :
                                      ~ ( in @ ( ordered_pair @ SY267 @ SY265 ) @ SV15 )
                              | ( in @ SY265 @ SY261 ) ) )
                  | ( SY261
                    = ( relation_rng @ SV15 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[403]) ).

thf(466,plain,
    ! [SV16: $i] :
      ( ( ~ ( relation @ SV16 )
        | ! [SY268: $i] :
            ( ~ ( relation @ SY268 )
            | ~ ( ~ ( ~ ( subset @ SV16 @ SY268 )
                    | ! [SY269: $i,SY270: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY269 @ SY270 ) @ SV16 )
                        | ( in @ ( ordered_pair @ SY269 @ SY270 ) @ SY268 ) ) )
                | ~ ( ~ ! [SY271: $i,SY272: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY271 @ SY272 ) @ SV16 )
                          | ( in @ ( ordered_pair @ SY271 @ SY272 ) @ SY268 ) )
                    | ( subset @ SV16 @ SY268 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[404]) ).

thf(467,plain,
    ! [SV17: $i] :
      ( ( ! [SY273: $i,SY274: $i] :
            ~ ( ~ ( ( SY274
                   != ( set_union2 @ SV17 @ SY273 ) )
                  | ! [SY275: $i] :
                      ~ ( ~ ( ~ ( in @ SY275 @ SY274 )
                            | ( in @ SY275 @ SV17 )
                            | ( in @ SY275 @ SY273 ) )
                        | ~ ( ~ ( ( in @ SY275 @ SV17 )
                                | ( in @ SY275 @ SY273 ) )
                            | ( in @ SY275 @ SY274 ) ) ) )
              | ~ ( ~ ! [SY276: $i] :
                        ~ ( ~ ( ~ ( in @ SY276 @ SY274 )
                              | ( in @ SY276 @ SV17 )
                              | ( in @ SY276 @ SY273 ) )
                          | ~ ( ~ ( ( in @ SY276 @ SV17 )
                                  | ( in @ SY276 @ SY273 ) )
                              | ( in @ SY276 @ SY274 ) ) )
                  | ( SY274
                    = ( set_union2 @ SV17 @ SY273 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[405]) ).

thf(468,plain,
    ! [SV18: $i] :
      ( ( ~ ( relation @ SV18 )
        | ~ ! [SY277: $i,SY278: $i] :
              ~ ( in @ ( ordered_pair @ SY277 @ SY278 ) @ SV18 )
        | ( SV18 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[406]) ).

thf(469,plain,
    ! [SV19: $i] :
      ( ( ! [SY279: $i] :
            ( ~ ( in @ SV19 @ SY279 )
            | ( ( set_union2 @ ( singleton @ SV19 ) @ SY279 )
              = SY279 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[407]) ).

thf(470,plain,
    ! [SV20: $i] :
      ( ( ~ ( relation @ SV20 )
        | ! [SY280: $i,SY281: $i] :
            ( ~ ( relation @ SY281 )
            | ~ ( ~ ( ( SY281
                     != ( relation_dom_restriction @ SV20 @ SY280 ) )
                    | ! [SY282: $i,SY283: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SY281 )
                              | ~ ( ~ ( in @ SY282 @ SY280 )
                                  | ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SV20 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY282 @ SY280 )
                                    | ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SV20 ) )
                              | ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SY281 ) ) ) )
                | ~ ( ~ ! [SY284: $i,SY285: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SY281 )
                                | ~ ( ~ ( in @ SY284 @ SY280 )
                                    | ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SV20 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY284 @ SY280 )
                                      | ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SV20 ) )
                                | ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SY281 ) ) )
                    | ( SY281
                      = ( relation_dom_restriction @ SV20 @ SY280 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[408]) ).

thf(471,plain,
    ! [SV21: $i] :
      ( ( ! [SY286: $i] :
            ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SV21 @ SY286 )
                      | ~ ! [SY287: $i] :
                            ~ ~ ( ~ ( in @ SY287 @ SV21 )
                                | ~ ( in @ SY287 @ SY286 ) ) )
              | ~ ~ ~ ( ~ ~ ! [SY288: $i] :
                              ~ ~ ( ~ ( in @ SY288 @ SV21 )
                                  | ~ ( in @ SY288 @ SY286 ) )
                      | ~ ( disjoint @ SV21 @ SY286 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[409]) ).

thf(472,plain,
    ! [SV22: $i] :
      ( ( ! [SY289: $i,SY290: $i] :
            ( ~ ( relation @ SY290 )
            | ~ ( ~ ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SY289 @ SY290 ) ) )
                    | ~ ( ~ ( in @ SV22 @ SY289 )
                        | ~ ( in @ SV22 @ ( relation_rng @ SY290 ) ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV22 @ SY289 )
                          | ~ ( in @ SV22 @ ( relation_rng @ SY290 ) ) )
                    | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SY289 @ SY290 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[410]) ).

thf(473,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY291: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ SY291 )
                              | ~ ! [SX2: $i,SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX2 @ SY291 )
                                          | ~ ( subset @ SX3 @ SX2 ) )
                                    | ( in @ SX3 @ SY291 ) ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SY291 )
                              | ( in @ ( powerset @ SX2 ) @ SY291 ) ) )
                  | ~ ! [SX2: $i] :
                        ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SY291 )
                                  | ~ ~ ( are_equipotent @ SX2 @ SY291 ) )
                            | ~ ~ ( in @ SX2 @ SY291 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[411]) ).

thf(474,plain,
    ! [SV24: $i] :
      ( ( ! [SY296: $i] :
            ( ~ ( element @ SV24 @ SY296 )
            | ( empty @ SY296 )
            | ( in @ SV24 @ SY296 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[412]) ).

thf(475,plain,
    ! [SV25: $i] :
      ( ( ! [SY297: $i] :
            ~ ( ~ ( ~ ( subset @ ( singleton @ SV25 ) @ SY297 )
                  | ( in @ SV25 @ SY297 ) )
              | ~ ( ~ ( in @ SV25 @ SY297 )
                  | ( subset @ ( singleton @ SV25 ) @ SY297 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[413]) ).

thf(476,plain,
    ! [SV26: $i] :
      ( ( ! [SY298: $i] :
            ~ ( ~ ( ~ ( ( SV26 != empty_set ) )
                  | ~ ( ~ ( ( SY298
                           != ( set_meet @ SV26 ) )
                          | ! [SY299: $i] :
                              ~ ( ~ ( ~ ( in @ SY299 @ SY298 )
                                    | ! [SY300: $i] :
                                        ( ~ ( in @ SY300 @ SV26 )
                                        | ( in @ SY299 @ SY300 ) ) )
                                | ~ ( ~ ! [SY301: $i] :
                                          ( ~ ( in @ SY301 @ SV26 )
                                          | ( in @ SY299 @ SY301 ) )
                                    | ( in @ SY299 @ SY298 ) ) ) )
                      | ~ ( ~ ! [SY302: $i] :
                                ~ ( ~ ( ~ ( in @ SY302 @ SY298 )
                                      | ! [SY303: $i] :
                                          ( ~ ( in @ SY303 @ SV26 )
                                          | ( in @ SY302 @ SY303 ) ) )
                                  | ~ ( ~ ! [SY304: $i] :
                                            ( ~ ( in @ SY304 @ SV26 )
                                            | ( in @ SY302 @ SY304 ) )
                                      | ( in @ SY302 @ SY298 ) ) )
                          | ( SY298
                            = ( set_meet @ SV26 ) ) ) ) )
              | ~ ( ( SV26 != empty_set )
                  | ~ ( ~ ( ( SY298
                           != ( set_meet @ SV26 ) )
                          | ( SY298 = empty_set ) )
                      | ~ ( ( SY298 != empty_set )
                          | ( SY298
                            = ( set_meet @ SV26 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[414]) ).

thf(477,plain,
    ! [SV27: $i] :
      ( ( ! [SY305: $i,SY306: $i,SY307: $i] :
            ( ~ ( relation @ SY307 )
            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SY305 ) @ ( relation_composition @ ( identity_relation @ SY306 ) @ SY307 ) )
                    | ~ ( ~ ( in @ SV27 @ SY306 )
                        | ~ ( in @ ( ordered_pair @ SV27 @ SY305 ) @ SY307 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV27 @ SY306 )
                          | ~ ( in @ ( ordered_pair @ SV27 @ SY305 ) @ SY307 ) )
                    | ( in @ ( ordered_pair @ SV27 @ SY305 ) @ ( relation_composition @ ( identity_relation @ SY306 ) @ SY307 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[415]) ).

thf(478,plain,
    ! [SV28: $i] :
      ( ( ! [SY308: $i] :
            ( ~ ( relation @ SY308 )
            | ( ( relation_dom_restriction @ SY308 @ SV28 )
              = ( relation_composition @ ( identity_relation @ SV28 ) @ SY308 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[416]) ).

thf(479,plain,
    ! [SV29: $i] :
      ( ( ! [SY309: $i,SY310: $i,SY311: $i] :
            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV29 @ SY309 ) @ ( cartesian_product2 @ SY310 @ SY311 ) )
                  | ~ ( ~ ( in @ SV29 @ SY310 )
                      | ~ ( in @ SY309 @ SY311 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV29 @ SY310 )
                        | ~ ( in @ SY309 @ SY311 ) )
                  | ( in @ ( ordered_pair @ SV29 @ SY309 ) @ ( cartesian_product2 @ SY310 @ SY311 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[417]) ).

thf(480,plain,
    ! [SV30: $i] :
      ( ( ~ ( relation @ SV30 )
        | ! [SY312: $i,SY313: $i] :
            ~ ( ~ ( ( SY313
                   != ( relation_image @ SV30 @ SY312 ) )
                  | ! [SY314: $i] :
                      ~ ( ~ ( ~ ( in @ SY314 @ SY313 )
                            | ~ ! [SY315: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY315 @ SY314 ) @ SV30 )
                                      | ~ ( in @ SY315 @ SY312 ) ) )
                        | ~ ( ~ ~ ! [SY316: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY316 @ SY314 ) @ SV30 )
                                        | ~ ( in @ SY316 @ SY312 ) )
                            | ( in @ SY314 @ SY313 ) ) ) )
              | ~ ( ~ ! [SY317: $i] :
                        ~ ( ~ ( ~ ( in @ SY317 @ SY313 )
                              | ~ ! [SY318: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY318 @ SY317 ) @ SV30 )
                                        | ~ ( in @ SY318 @ SY312 ) ) )
                          | ~ ( ~ ~ ! [SY319: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY319 @ SY317 ) @ SV30 )
                                          | ~ ( in @ SY319 @ SY312 ) )
                              | ( in @ SY317 @ SY313 ) ) )
                  | ( SY313
                    = ( relation_image @ SV30 @ SY312 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[418]) ).

thf(481,plain,
    ! [SV31: $i] :
      ( ( ! [SY320: $i,SY321: $i] :
            ~ ( ~ ( ~ ( subset @ ( unordered_pair @ SV31 @ SY320 ) @ SY321 )
                  | ~ ( ~ ( in @ SV31 @ SY321 )
                      | ~ ( in @ SY320 @ SY321 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV31 @ SY321 )
                        | ~ ( in @ SY320 @ SY321 ) )
                  | ( subset @ ( unordered_pair @ SV31 @ SY320 ) @ SY321 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[419]) ).

thf(482,plain,
    ! [SV32: $i] :
      ( ( ~ ( ~ ( relation @ ( identity_relation @ SV32 ) )
            | ~ ( function @ ( identity_relation @ SV32 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[420]) ).

thf(483,plain,
    ! [SV33: $i] :
      ( ( ! [SY322: $i,SY323: $i] :
            ( ~ ~ ( ~ ( in @ SV33 @ SY322 )
                  | ~ ( element @ SY322 @ ( powerset @ SY323 ) ) )
            | ( element @ SV33 @ SY323 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[421]) ).

thf(484,plain,
    ! [SV34: $i] :
      ( ( ! [SY324: $i] :
            ~ ( ~ ( ~ ~ ( empty @ SV34 )
                  | ~ ( ~ ( ~ ( element @ SY324 @ SV34 )
                          | ( in @ SY324 @ SV34 ) )
                      | ~ ( ~ ( in @ SY324 @ SV34 )
                          | ( element @ SY324 @ SV34 ) ) ) )
              | ~ ( ~ ( empty @ SV34 )
                  | ~ ( ~ ( ~ ( element @ SY324 @ SV34 )
                          | ( empty @ SY324 ) )
                      | ~ ( ~ ( empty @ SY324 )
                          | ( element @ SY324 @ SV34 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[422]) ).

thf(485,plain,
    ! [SV35: $i] :
      ( ( ~ ( ~ ( ~ ( relation @ SV35 )
                | ! [SY325: $i] :
                    ~ ~ ( ~ ( in @ SY325 @ SV35 )
                        | ~ ! [SX2: $i,SX3: $i] :
                              ( SY325
                             != ( ordered_pair @ SX2 @ SX3 ) ) ) )
            | ~ ( ~ ! [SY328: $i] :
                      ~ ~ ( ~ ( in @ SY328 @ SV35 )
                          | ~ ! [SX2: $i,SX3: $i] :
                                ( SY328
                               != ( ordered_pair @ SX2 @ SX3 ) ) )
                | ( relation @ SV35 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[423]) ).

thf(486,plain,
    ! [SV36: $i] :
      ( ( ! [SY331: $i,SY332: $i] :
            ( ~ ( subset @ SV36 @ SY331 )
            | ( in @ SY332 @ SV36 )
            | ( subset @ SV36 @ ( set_difference @ SY331 @ ( singleton @ SY332 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[424]) ).

thf(487,plain,
    ! [SV37: $i] :
      ( ( ! [SY333: $i,SY334: $i] :
            ( ~ ( relation @ SY334 )
            | ~ ( in @ ( ordered_pair @ SV37 @ SY333 ) @ SY334 )
            | ~ ( ~ ( in @ SV37 @ ( relation_field @ SY334 ) )
                | ~ ( in @ SY333 @ ( relation_field @ SY334 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[425]) ).

thf(488,plain,
    ! [SV38: $i] :
      ( ( ~ ( ~ ( ( SV38 != empty_set )
                | ! [SY335: $i] :
                    ~ ( in @ SY335 @ SV38 ) )
            | ~ ( ~ ! [SY336: $i] :
                      ~ ( in @ SY336 @ SV38 )
                | ( SV38 = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[426]) ).

thf(489,plain,
    ! [SV39: $i] :
      ( ( ! [SY337: $i] :
            ( ~ ( relation @ SY337 )
            | ! [SY338: $i] :
                ( ~ ( relation @ SY338 )
                | ~ ( ~ ( ( SY338
                         != ( relation_rng_restriction @ SV39 @ SY337 ) )
                        | ! [SY339: $i,SY340: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY339 @ SY340 ) @ SY338 )
                                  | ~ ( ~ ( in @ SY340 @ SV39 )
                                      | ~ ( in @ ( ordered_pair @ SY339 @ SY340 ) @ SY337 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SY340 @ SV39 )
                                        | ~ ( in @ ( ordered_pair @ SY339 @ SY340 ) @ SY337 ) )
                                  | ( in @ ( ordered_pair @ SY339 @ SY340 ) @ SY338 ) ) ) )
                    | ~ ( ~ ! [SY341: $i,SY342: $i] :
                              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY341 @ SY342 ) @ SY338 )
                                    | ~ ( ~ ( in @ SY342 @ SV39 )
                                        | ~ ( in @ ( ordered_pair @ SY341 @ SY342 ) @ SY337 ) ) )
                                | ~ ( ~ ~ ( ~ ( in @ SY342 @ SV39 )
                                          | ~ ( in @ ( ordered_pair @ SY341 @ SY342 ) @ SY337 ) )
                                    | ( in @ ( ordered_pair @ SY341 @ SY342 ) @ SY338 ) ) )
                        | ( SY338
                          = ( relation_rng_restriction @ SV39 @ SY337 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[427]) ).

thf(490,plain,
    ! [SV40: $i] :
      ( ( ~ ( ( ( relation_dom @ ( identity_relation @ SV40 ) )
             != SV40 )
            | ( ( relation_rng @ ( identity_relation @ SV40 ) )
             != SV40 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[428]) ).

thf(491,plain,
    ! [SV41: $i] :
      ( ( ! [SY343: $i] :
            ~ ( ~ ( ( SY343
                   != ( singleton @ SV41 ) )
                  | ! [SY344: $i] :
                      ~ ( ~ ( ~ ( in @ SY344 @ SY343 )
                            | ( SY344 = SV41 ) )
                        | ~ ( ( SY344 != SV41 )
                            | ( in @ SY344 @ SY343 ) ) ) )
              | ~ ( ~ ! [SY345: $i] :
                        ~ ( ~ ( ~ ( in @ SY345 @ SY343 )
                              | ( SY345 = SV41 ) )
                          | ~ ( ( SY345 != SV41 )
                              | ( in @ SY345 @ SY343 ) ) )
                  | ( SY343
                    = ( singleton @ SV41 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[429]) ).

thf(492,plain,
    ! [SV42: $i] :
      ( ( ! [SY346: $i] :
            ~ ( ~ ( ( SY346
                   != ( union @ SV42 ) )
                  | ! [SY347: $i] :
                      ~ ( ~ ( ~ ( in @ SY347 @ SY346 )
                            | ~ ! [SY348: $i] :
                                  ~ ~ ( ~ ( in @ SY347 @ SY348 )
                                      | ~ ( in @ SY348 @ SV42 ) ) )
                        | ~ ( ~ ~ ! [SY349: $i] :
                                    ~ ~ ( ~ ( in @ SY347 @ SY349 )
                                        | ~ ( in @ SY349 @ SV42 ) )
                            | ( in @ SY347 @ SY346 ) ) ) )
              | ~ ( ~ ! [SY350: $i] :
                        ~ ( ~ ( ~ ( in @ SY350 @ SY346 )
                              | ~ ! [SY351: $i] :
                                    ~ ~ ( ~ ( in @ SY350 @ SY351 )
                                        | ~ ( in @ SY351 @ SV42 ) ) )
                          | ~ ( ~ ~ ! [SY352: $i] :
                                      ~ ~ ( ~ ( in @ SY350 @ SY352 )
                                          | ~ ( in @ SY352 @ SV42 ) )
                              | ( in @ SY350 @ SY346 ) ) )
                  | ( SY346
                    = ( union @ SV42 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[430]) ).

thf(493,plain,
    ! [SV43: $i] :
      ( ( ! [SY353: $i,SY354: $i] :
            ( ~ ( relation @ SY354 )
            | ~ ( ~ ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SY354 @ SY353 ) ) )
                    | ~ ( ~ ( in @ SV43 @ SY353 )
                        | ~ ( in @ SV43 @ ( relation_dom @ SY354 ) ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV43 @ SY353 )
                          | ~ ( in @ SV43 @ ( relation_dom @ SY354 ) ) )
                    | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SY354 @ SY353 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[431]) ).

thf(494,plain,
    ! [SV44: $i] :
      ( ( ! [SY355: $i] :
            ~ ~ ( ~ ( disjoint @ ( singleton @ SV44 ) @ SY355 )
                | ~ ( in @ SV44 @ SY355 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[432]) ).

thf(495,plain,
    ! [SV45: $i] :
      ( ( ! [SY356: $i] :
            ( ~ ( in @ SV45 @ SY356 )
            | ( subset @ SV45 @ ( union @ SY356 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[433]) ).

thf(496,plain,
    ! [SV46: $i] :
      ( ( ~ ! [SY357: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV46 @ SY357 )
                              | ~ ! [SX2: $i,SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX2 @ SY357 )
                                          | ~ ( subset @ SX3 @ SX2 ) )
                                    | ( in @ SX3 @ SY357 ) ) )
                        | ~ ! [SX2: $i] :
                              ~ ~ ( ~ ( in @ SX2 @ SY357 )
                                  | ~ ! [SX3: $i] :
                                        ~ ~ ( ~ ( in @ SX3 @ SY357 )
                                            | ~ ! [SX4: $i] :
                                                  ( ~ ( subset @ SX4 @ SX2 )
                                                  | ( in @ SX4 @ SX3 ) ) ) ) )
                  | ~ ! [SX2: $i] :
                        ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SY357 )
                                  | ~ ~ ( are_equipotent @ SX2 @ SY357 ) )
                            | ~ ~ ( in @ SX2 @ SY357 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[434]) ).

thf(497,plain,
    ! [SV47: $i] :
      ( ( ~ ( relation @ SV47 )
        | ! [SY364: $i] :
            ~ ( ~ ( ( SY364
                   != ( relation_dom @ SV47 ) )
                  | ! [SY365: $i] :
                      ~ ( ~ ( ~ ( in @ SY365 @ SY364 )
                            | ~ ! [SY366: $i] :
                                  ~ ( in @ ( ordered_pair @ SY365 @ SY366 ) @ SV47 ) )
                        | ~ ( ~ ~ ! [SY367: $i] :
                                    ~ ( in @ ( ordered_pair @ SY365 @ SY367 ) @ SV47 )
                            | ( in @ SY365 @ SY364 ) ) ) )
              | ~ ( ~ ! [SY368: $i] :
                        ~ ( ~ ( ~ ( in @ SY368 @ SY364 )
                              | ~ ! [SY369: $i] :
                                    ~ ( in @ ( ordered_pair @ SY368 @ SY369 ) @ SV47 ) )
                          | ~ ( ~ ~ ! [SY370: $i] :
                                      ~ ( in @ ( ordered_pair @ SY368 @ SY370 ) @ SV47 )
                              | ( in @ SY368 @ SY364 ) ) )
                  | ( SY364
                    = ( relation_dom @ SV47 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[435]) ).

thf(498,plain,
    ! [SV48: $i] :
      ( ( ! [SY371: $i] :
            ( ~ ! [SY372: $i] :
                  ( ~ ( in @ SY372 @ SV48 )
                  | ( in @ SY372 @ SY371 ) )
            | ( element @ SV48 @ ( powerset @ SY371 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[436]) ).

thf(499,plain,
    ! [SV49: $i] :
      ( ( ~ ( relation @ SV49 )
        | ! [SY373: $i] :
            ( ~ ( relation @ SY373 )
            | ~ ( ~ ( ( SY373
                     != ( relation_inverse @ SV49 ) )
                    | ! [SY374: $i,SY375: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY374 @ SY375 ) @ SY373 )
                              | ( in @ ( ordered_pair @ SY375 @ SY374 ) @ SV49 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY375 @ SY374 ) @ SV49 )
                              | ( in @ ( ordered_pair @ SY374 @ SY375 ) @ SY373 ) ) ) )
                | ~ ( ~ ! [SY376: $i,SY377: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY376 @ SY377 ) @ SY373 )
                                | ( in @ ( ordered_pair @ SY377 @ SY376 ) @ SV49 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SY377 @ SY376 ) @ SV49 )
                                | ( in @ ( ordered_pair @ SY376 @ SY377 ) @ SY373 ) ) )
                    | ( SY373
                      = ( relation_inverse @ SV49 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[437]) ).

thf(500,plain,
    ! [SV50: $i] :
      ( ( ! [SY378: $i] :
            ~ ( ~ ( ( ( set_difference @ SV50 @ ( singleton @ SY378 ) )
                   != SV50 )
                  | ~ ( in @ SY378 @ SV50 ) )
              | ~ ( ~ ~ ( in @ SY378 @ SV50 )
                  | ( ( set_difference @ SV50 @ ( singleton @ SY378 ) )
                    = SV50 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[438]) ).

thf(501,plain,
    ! [SV51: $i] :
      ( ( ! [SY379: $i] :
            ( ~ ( in @ SV51 @ SY379 )
            | ( subset @ SV51 @ ( union @ SY379 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[439]) ).

thf(502,plain,
    ! [SV52: $i] :
      ( ( ! [SY380: $i] :
            ( ~ ( in @ SV52 @ SY380 )
            | ( element @ SV52 @ SY380 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[440]) ).

thf(503,plain,
    ! [SV53: $i] :
      ( ( ! [SY381: $i] :
            ~ ( ~ ( ~ ( subset @ SV53 @ SY381 )
                  | ! [SY382: $i] :
                      ( ~ ( in @ SY382 @ SV53 )
                      | ( in @ SY382 @ SY381 ) ) )
              | ~ ( ~ ! [SY383: $i] :
                        ( ~ ( in @ SY383 @ SV53 )
                        | ( in @ SY383 @ SY381 ) )
                  | ( subset @ SV53 @ SY381 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[441]) ).

thf(504,plain,
    ! [SV54: $i] :
      ( ( ! [SY384: $i,SY385: $i] :
            ( ~ ( element @ SY385 @ ( powerset @ SV54 ) )
            | ~ ~ ( ~ ( in @ SY384 @ ( subset_complement @ SV54 @ SY385 ) )
                  | ~ ( in @ SY384 @ SY385 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[442]) ).

thf(505,plain,
    ! [SV55: $i] :
      ( ( ! [SY386: $i] :
            ( ~ ( element @ SY386 @ ( powerset @ SV55 ) )
            | ! [SY387: $i] :
                ( ~ ( in @ SY387 @ SY386 )
                | ( in @ SY387 @ SV55 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[443]) ).

thf(506,plain,
    ! [SV56: $i] :
      ( ( ! [SY388: $i,SY389: $i] :
            ~ ( ~ ( ( SY389
                   != ( unordered_pair @ SV56 @ SY388 ) )
                  | ! [SY390: $i] :
                      ~ ( ~ ( ~ ( in @ SY390 @ SY389 )
                            | ( SY390 = SV56 )
                            | ( SY390 = SY388 ) )
                        | ~ ( ~ ( ( SY390 = SV56 )
                                | ( SY390 = SY388 ) )
                            | ( in @ SY390 @ SY389 ) ) ) )
              | ~ ( ~ ! [SY391: $i] :
                        ~ ( ~ ( ~ ( in @ SY391 @ SY389 )
                              | ( SY391 = SV56 )
                              | ( SY391 = SY388 ) )
                          | ~ ( ~ ( ( SY391 = SV56 )
                                  | ( SY391 = SY388 ) )
                              | ( in @ SY391 @ SY389 ) ) )
                  | ( SY389
                    = ( unordered_pair @ SV56 @ SY388 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[444]) ).

thf(507,plain,
    ! [SV57: $i] :
      ( ( ! [SY392: $i] :
            ( ~ ( in @ SV57 @ SY392 )
            | ( ( set_union2 @ ( singleton @ SV57 ) @ SY392 )
              = SY392 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[445]) ).

thf(508,plain,
    ! [SV58: $i] :
      ( ( ! [SY393: $i,SY394: $i] :
            ~ ( ~ ( ( SY394
                   != ( set_difference @ SV58 @ SY393 ) )
                  | ! [SY395: $i] :
                      ~ ( ~ ( ~ ( in @ SY395 @ SY394 )
                            | ~ ( ~ ( in @ SY395 @ SV58 )
                                | ~ ~ ( in @ SY395 @ SY393 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY395 @ SV58 )
                                  | ~ ~ ( in @ SY395 @ SY393 ) )
                            | ( in @ SY395 @ SY394 ) ) ) )
              | ~ ( ~ ! [SY396: $i] :
                        ~ ( ~ ( ~ ( in @ SY396 @ SY394 )
                              | ~ ( ~ ( in @ SY396 @ SV58 )
                                  | ~ ~ ( in @ SY396 @ SY393 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY396 @ SV58 )
                                    | ~ ~ ( in @ SY396 @ SY393 ) )
                              | ( in @ SY396 @ SY394 ) ) )
                  | ( SY394
                    = ( set_difference @ SV58 @ SY393 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[446]) ).

thf(509,plain,
    ! [SV59: $i] :
      ( ( ! [SY397: $i,SY398: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV59 @ SY397 )
                      | ~ ( element @ SY397 @ ( powerset @ SY398 ) ) )
                | ~ ( empty @ SY398 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[447]) ).

thf(510,plain,
    ! [SV60: $i] :
      ( ( ! [SY399: $i,SY400: $i] :
            ~ ( ~ ( ( SY400
                   != ( set_intersection2 @ SV60 @ SY399 ) )
                  | ! [SY401: $i] :
                      ~ ( ~ ( ~ ( in @ SY401 @ SY400 )
                            | ~ ( ~ ( in @ SY401 @ SV60 )
                                | ~ ( in @ SY401 @ SY399 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY401 @ SV60 )
                                  | ~ ( in @ SY401 @ SY399 ) )
                            | ( in @ SY401 @ SY400 ) ) ) )
              | ~ ( ~ ! [SY402: $i] :
                        ~ ( ~ ( ~ ( in @ SY402 @ SY400 )
                              | ~ ( ~ ( in @ SY402 @ SV60 )
                                  | ~ ( in @ SY402 @ SY399 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY402 @ SV60 )
                                    | ~ ( in @ SY402 @ SY399 ) )
                              | ( in @ SY402 @ SY400 ) ) )
                  | ( SY400
                    = ( set_intersection2 @ SV60 @ SY399 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[448]) ).

thf(511,plain,
    ! [SV61: $i] :
      ( ( ! [SY403: $i] :
            ~ ~ ( ~ ( in @ SV61 @ SY403 )
                | ~ ( empty @ SY403 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[449]) ).

thf(512,plain,
    ! [SV62: $i,SV2: $i] :
      ( ( ~ ( in @ SV2 @ SV62 )
        | ~ ( in @ SV62 @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[452]) ).

thf(513,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SV3 @ SV63 )
                    | ~ ! [SY404: $i] :
                          ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
            | ~ ~ ~ ( ~ ~ ! [SY405: $i] :
                            ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) )
                    | ~ ( disjoint @ SV3 @ SV63 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[453]) ).

thf(514,plain,
    ! [SV64: $i,SV4: $i] :
      ( ( ~ ~ ( in @ SV4 @ SV64 )
        | ( disjoint @ ( singleton @ SV4 ) @ SV64 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[454]) ).

thf(515,plain,
    ! [SV65: $i,SV5: $i] :
      ( ( ~ ! [SY406: $i] :
              ~ ( ~ ( ~ ( in @ SY406 @ SV5 )
                    | ( in @ SY406 @ SV65 ) )
                | ~ ( ~ ( in @ SY406 @ SV65 )
                    | ( in @ SY406 @ SV5 ) ) )
        | ( SV5 = SV65 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[455]) ).

thf(516,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ~ ~ ( ~ ( relation @ SV66 )
              | ~ ( function @ SV66 ) )
        | ~ ( ~ ( ( SV66
                 != ( identity_relation @ SV6 ) )
                | ~ ( ( ( relation_dom @ SV66 )
                     != SV6 )
                    | ~ ! [SY407: $i] :
                          ( ~ ( in @ SY407 @ SV6 )
                          | ( ( apply @ SV66 @ SY407 )
                            = SY407 ) ) ) )
            | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                       != SV6 )
                      | ~ ! [SY408: $i] :
                            ( ~ ( in @ SY408 @ SV6 )
                            | ( ( apply @ SV66 @ SY408 )
                              = SY408 ) ) )
                | ( SV66
                  = ( identity_relation @ SV6 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[456]) ).

thf(517,plain,
    ! [SV67: $i,SV7: $i] :
      ( ( ! [SY409: $i,SY410: $i] :
            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SY409 @ SY410 ) )
                  | ~ ( ~ ( in @ SV7 @ SY409 )
                      | ~ ( in @ SV67 @ SY410 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV7 @ SY409 )
                        | ~ ( in @ SV67 @ SY410 ) )
                  | ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SY409 @ SY410 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[457]) ).

thf(518,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( relation @ SV8 ) )
        = $true )
      | ( ( ! [SY217: $i] :
              ( ~ ( relation @ SY217 )
              | ~ ( ~ ( ( SV8 != SY217 )
                      | ! [SY218: $i,SY219: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SV8 )
                                | ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SY217 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SY217 )
                                | ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SV8 ) ) ) )
                  | ~ ( ~ ! [SY220: $i,SY221: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SV8 )
                                  | ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SY217 ) )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SY217 )
                                  | ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SV8 ) ) )
                      | ( SV8 = SY217 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[458]) ).

thf(519,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ ( singleton @ SV9 ) @ SV68 )
                | ( in @ SV9 @ SV68 ) )
            | ~ ( ~ ( in @ SV9 @ SV68 )
                | ( subset @ ( singleton @ SV9 ) @ SV68 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[459]) ).

thf(520,plain,
    ! [SV10: $i] :
      ( ( ( ~ ( relation @ SV10 ) )
        = $true )
      | ( ( ! [SY223: $i] :
              ( ~ ( relation @ SY223 )
              | ! [SY224: $i] :
                  ( ~ ( relation @ SY224 )
                  | ~ ( ~ ( ( SY224
                           != ( relation_composition @ SV10 @ SY223 ) )
                          | ! [SY225: $i,SY226: $i] :
                              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY226 ) @ SY224 )
                                    | ~ ! [SY227: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY227 ) @ SV10 )
                                              | ~ ( in @ ( ordered_pair @ SY227 @ SY226 ) @ SY223 ) ) )
                                | ~ ( ~ ~ ! [SY228: $i] :
                                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY228 ) @ SV10 )
                                                | ~ ( in @ ( ordered_pair @ SY228 @ SY226 ) @ SY223 ) )
                                    | ( in @ ( ordered_pair @ SY225 @ SY226 ) @ SY224 ) ) ) )
                      | ~ ( ~ ! [SY229: $i,SY230: $i] :
                                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY230 ) @ SY224 )
                                      | ~ ! [SY231: $i] :
                                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY231 ) @ SV10 )
                                                | ~ ( in @ ( ordered_pair @ SY231 @ SY230 ) @ SY223 ) ) )
                                  | ~ ( ~ ~ ! [SY232: $i] :
                                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY232 ) @ SV10 )
                                                  | ~ ( in @ ( ordered_pair @ SY232 @ SY230 ) @ SY223 ) )
                                      | ( in @ ( ordered_pair @ SY229 @ SY230 ) @ SY224 ) ) )
                          | ( SY224
                            = ( relation_composition @ SV10 @ SY223 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[460]) ).

thf(521,plain,
    ! [SV69: $i,SV11: $i] :
      ( ( ! [SY411: $i] :
            ~ ( ~ ( ( SY411
                   != ( cartesian_product2 @ SV11 @ SV69 ) )
                  | ! [SY412: $i] :
                      ~ ( ~ ( ~ ( in @ SY412 @ SY411 )
                            | ~ ! [SY413: $i] :
                                  ~ ~ ! [SY414: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY413 @ SV11 )
                                                  | ~ ( in @ SY414 @ SV69 ) )
                                            | ( SY412
                                             != ( ordered_pair @ SY413 @ SY414 ) ) ) )
                        | ~ ( ~ ~ ! [SY415: $i] :
                                    ~ ~ ! [SY416: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY415 @ SV11 )
                                                    | ~ ( in @ SY416 @ SV69 ) )
                                              | ( SY412
                                               != ( ordered_pair @ SY415 @ SY416 ) ) )
                            | ( in @ SY412 @ SY411 ) ) ) )
              | ~ ( ~ ! [SY417: $i] :
                        ~ ( ~ ( ~ ( in @ SY417 @ SY411 )
                              | ~ ! [SY418: $i] :
                                    ~ ~ ! [SY419: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY418 @ SV11 )
                                                    | ~ ( in @ SY419 @ SV69 ) )
                                              | ( SY417
                                               != ( ordered_pair @ SY418 @ SY419 ) ) ) )
                          | ~ ( ~ ~ ! [SY420: $i] :
                                      ~ ~ ! [SY421: $i] :
                                            ~ ~ ( ~ ~ ( ~ ( in @ SY420 @ SV11 )
                                                      | ~ ( in @ SY421 @ SV69 ) )
                                                | ( SY417
                                                 != ( ordered_pair @ SY420 @ SY421 ) ) )
                              | ( in @ SY417 @ SY411 ) ) )
                  | ( SY411
                    = ( cartesian_product2 @ SV11 @ SV69 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[461]) ).

thf(522,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ~ ( relation @ SV70 )
        | ~ ( ~ ( ( SV70
                 != ( identity_relation @ SV12 ) )
                | ! [SY422: $i,SY423: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                          | ~ ( ~ ( in @ SY422 @ SV12 )
                              | ( SY422 != SY423 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                                | ( SY422 != SY423 ) )
                          | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) )
            | ~ ( ~ ! [SY424: $i,SY425: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                            | ~ ( ~ ( in @ SY424 @ SV12 )
                                | ( SY424 != SY425 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                                  | ( SY424 != SY425 ) )
                            | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) )
                | ( SV70
                  = ( identity_relation @ SV12 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[462]) ).

thf(523,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ~ ( ~ ( ( SV71
                 != ( powerset @ SV13 ) )
                | ! [SY426: $i] :
                    ~ ( ~ ( ~ ( in @ SY426 @ SV71 )
                          | ( subset @ SY426 @ SV13 ) )
                      | ~ ( ~ ( subset @ SY426 @ SV13 )
                          | ( in @ SY426 @ SV71 ) ) ) )
            | ~ ( ~ ! [SY427: $i] :
                      ~ ( ~ ( ~ ( in @ SY427 @ SV71 )
                            | ( subset @ SY427 @ SV13 ) )
                        | ~ ( ~ ( subset @ SY427 @ SV13 )
                            | ( in @ SY427 @ SV71 ) ) )
                | ( SV71
                  = ( powerset @ SV13 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[463]) ).

thf(524,plain,
    ! [SV14: $i] :
      ( ( ( ~ ( relation @ SV14 ) )
        = $true )
      | ( ( ! [SY253: $i,SY254: $i] :
              ~ ( ~ ( ( SY254
                     != ( relation_inverse_image @ SV14 @ SY253 ) )
                    | ! [SY255: $i] :
                        ~ ( ~ ( ~ ( in @ SY255 @ SY254 )
                              | ~ ! [SY256: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY255 @ SY256 ) @ SV14 )
                                        | ~ ( in @ SY256 @ SY253 ) ) )
                          | ~ ( ~ ~ ! [SY257: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY255 @ SY257 ) @ SV14 )
                                          | ~ ( in @ SY257 @ SY253 ) )
                              | ( in @ SY255 @ SY254 ) ) ) )
                | ~ ( ~ ! [SY258: $i] :
                          ~ ( ~ ( ~ ( in @ SY258 @ SY254 )
                                | ~ ! [SY259: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY258 @ SY259 ) @ SV14 )
                                          | ~ ( in @ SY259 @ SY253 ) ) )
                            | ~ ( ~ ~ ! [SY260: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY258 @ SY260 ) @ SV14 )
                                            | ~ ( in @ SY260 @ SY253 ) )
                                | ( in @ SY258 @ SY254 ) ) )
                    | ( SY254
                      = ( relation_inverse_image @ SV14 @ SY253 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[464]) ).

thf(525,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( relation @ SV15 ) )
        = $true )
      | ( ( ! [SY261: $i] :
              ~ ( ~ ( ( SY261
                     != ( relation_rng @ SV15 ) )
                    | ! [SY262: $i] :
                        ~ ( ~ ( ~ ( in @ SY262 @ SY261 )
                              | ~ ! [SY263: $i] :
                                    ~ ( in @ ( ordered_pair @ SY263 @ SY262 ) @ SV15 ) )
                          | ~ ( ~ ~ ! [SY264: $i] :
                                      ~ ( in @ ( ordered_pair @ SY264 @ SY262 ) @ SV15 )
                              | ( in @ SY262 @ SY261 ) ) ) )
                | ~ ( ~ ! [SY265: $i] :
                          ~ ( ~ ( ~ ( in @ SY265 @ SY261 )
                                | ~ ! [SY266: $i] :
                                      ~ ( in @ ( ordered_pair @ SY266 @ SY265 ) @ SV15 ) )
                            | ~ ( ~ ~ ! [SY267: $i] :
                                        ~ ( in @ ( ordered_pair @ SY267 @ SY265 ) @ SV15 )
                                | ( in @ SY265 @ SY261 ) ) )
                    | ( SY261
                      = ( relation_rng @ SV15 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[465]) ).

thf(526,plain,
    ! [SV16: $i] :
      ( ( ( ~ ( relation @ SV16 ) )
        = $true )
      | ( ( ! [SY268: $i] :
              ( ~ ( relation @ SY268 )
              | ~ ( ~ ( ~ ( subset @ SV16 @ SY268 )
                      | ! [SY269: $i,SY270: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY269 @ SY270 ) @ SV16 )
                          | ( in @ ( ordered_pair @ SY269 @ SY270 ) @ SY268 ) ) )
                  | ~ ( ~ ! [SY271: $i,SY272: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY271 @ SY272 ) @ SV16 )
                            | ( in @ ( ordered_pair @ SY271 @ SY272 ) @ SY268 ) )
                      | ( subset @ SV16 @ SY268 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[466]) ).

thf(527,plain,
    ! [SV72: $i,SV17: $i] :
      ( ( ! [SY428: $i] :
            ~ ( ~ ( ( SY428
                   != ( set_union2 @ SV17 @ SV72 ) )
                  | ! [SY429: $i] :
                      ~ ( ~ ( ~ ( in @ SY429 @ SY428 )
                            | ( in @ SY429 @ SV17 )
                            | ( in @ SY429 @ SV72 ) )
                        | ~ ( ~ ( ( in @ SY429 @ SV17 )
                                | ( in @ SY429 @ SV72 ) )
                            | ( in @ SY429 @ SY428 ) ) ) )
              | ~ ( ~ ! [SY430: $i] :
                        ~ ( ~ ( ~ ( in @ SY430 @ SY428 )
                              | ( in @ SY430 @ SV17 )
                              | ( in @ SY430 @ SV72 ) )
                          | ~ ( ~ ( ( in @ SY430 @ SV17 )
                                  | ( in @ SY430 @ SV72 ) )
                              | ( in @ SY430 @ SY428 ) ) )
                  | ( SY428
                    = ( set_union2 @ SV17 @ SV72 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[467]) ).

thf(528,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( relation @ SV18 ) )
        = $true )
      | ( ( ~ ! [SY277: $i,SY278: $i] :
                ~ ( in @ ( ordered_pair @ SY277 @ SY278 ) @ SV18 )
          | ( SV18 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[468]) ).

thf(529,plain,
    ! [SV73: $i,SV19: $i] :
      ( ( ~ ( in @ SV19 @ SV73 )
        | ( ( set_union2 @ ( singleton @ SV19 ) @ SV73 )
          = SV73 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[469]) ).

thf(530,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( relation @ SV20 ) )
        = $true )
      | ( ( ! [SY280: $i,SY281: $i] :
              ( ~ ( relation @ SY281 )
              | ~ ( ~ ( ( SY281
                       != ( relation_dom_restriction @ SV20 @ SY280 ) )
                      | ! [SY282: $i,SY283: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SY281 )
                                | ~ ( ~ ( in @ SY282 @ SY280 )
                                    | ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SV20 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY282 @ SY280 )
                                      | ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SV20 ) )
                                | ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SY281 ) ) ) )
                  | ~ ( ~ ! [SY284: $i,SY285: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SY281 )
                                  | ~ ( ~ ( in @ SY284 @ SY280 )
                                      | ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SV20 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SY284 @ SY280 )
                                        | ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SV20 ) )
                                  | ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SY281 ) ) )
                      | ( SY281
                        = ( relation_dom_restriction @ SV20 @ SY280 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[470]) ).

thf(531,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SV21 @ SV74 )
                    | ~ ! [SY431: $i] :
                          ~ ~ ( ~ ( in @ SY431 @ SV21 )
                              | ~ ( in @ SY431 @ SV74 ) ) )
            | ~ ~ ~ ( ~ ~ ! [SY432: $i] :
                            ~ ~ ( ~ ( in @ SY432 @ SV21 )
                                | ~ ( in @ SY432 @ SV74 ) )
                    | ~ ( disjoint @ SV21 @ SV74 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[471]) ).

thf(532,plain,
    ! [SV75: $i,SV22: $i] :
      ( ( ! [SY433: $i] :
            ( ~ ( relation @ SY433 )
            | ~ ( ~ ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SY433 ) ) )
                    | ~ ( ~ ( in @ SV22 @ SV75 )
                        | ~ ( in @ SV22 @ ( relation_rng @ SY433 ) ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                          | ~ ( in @ SV22 @ ( relation_rng @ SY433 ) ) )
                    | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SY433 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[472]) ).

thf(533,plain,
    ! [SV23: $i] :
      ( ( ! [SY291: $i] :
            ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ SY291 )
                            | ~ ! [SX2: $i,SX3: $i] :
                                  ( ~ ~ ( ~ ( in @ SX2 @ SY291 )
                                        | ~ ( subset @ SX3 @ SX2 ) )
                                  | ( in @ SX3 @ SY291 ) ) )
                      | ~ ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SY291 )
                            | ( in @ ( powerset @ SX2 ) @ SY291 ) ) )
                | ~ ! [SX2: $i] :
                      ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SY291 )
                                | ~ ~ ( are_equipotent @ SX2 @ SY291 ) )
                          | ~ ~ ( in @ SX2 @ SY291 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[473]) ).

thf(534,plain,
    ! [SV76: $i,SV24: $i] :
      ( ( ~ ( element @ SV24 @ SV76 )
        | ( empty @ SV76 )
        | ( in @ SV24 @ SV76 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[474]) ).

thf(535,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ ( singleton @ SV25 ) @ SV77 )
                | ( in @ SV25 @ SV77 ) )
            | ~ ( ~ ( in @ SV25 @ SV77 )
                | ( subset @ ( singleton @ SV25 ) @ SV77 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[475]) ).

thf(536,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ~ ( ~ ( ~ ( ( SV26 != empty_set ) )
                | ~ ( ~ ( ( SV78
                         != ( set_meet @ SV26 ) )
                        | ! [SY434: $i] :
                            ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                                  | ! [SY300: $i] :
                                      ( ~ ( in @ SY300 @ SV26 )
                                      | ( in @ SY434 @ SY300 ) ) )
                              | ~ ( ~ ! [SY301: $i] :
                                        ( ~ ( in @ SY301 @ SV26 )
                                        | ( in @ SY434 @ SY301 ) )
                                  | ( in @ SY434 @ SV78 ) ) ) )
                    | ~ ( ~ ! [SY437: $i] :
                              ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                                    | ! [SY303: $i] :
                                        ( ~ ( in @ SY303 @ SV26 )
                                        | ( in @ SY437 @ SY303 ) ) )
                                | ~ ( ~ ! [SY304: $i] :
                                          ( ~ ( in @ SY304 @ SV26 )
                                          | ( in @ SY437 @ SY304 ) )
                                    | ( in @ SY437 @ SV78 ) ) )
                        | ( SV78
                          = ( set_meet @ SV26 ) ) ) ) )
            | ~ ( ( SV26 != empty_set )
                | ~ ( ~ ( ( SV78
                         != ( set_meet @ SV26 ) )
                        | ( SV78 = empty_set ) )
                    | ~ ( ( SV78 != empty_set )
                        | ( SV78
                          = ( set_meet @ SV26 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[476]) ).

thf(537,plain,
    ! [SV79: $i,SV27: $i] :
      ( ( ! [SY440: $i,SY441: $i] :
            ( ~ ( relation @ SY441 )
            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SY440 ) @ SY441 ) )
                    | ~ ( ~ ( in @ SV27 @ SY440 )
                        | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SY441 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV27 @ SY440 )
                          | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SY441 ) )
                    | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SY440 ) @ SY441 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[477]) ).

thf(538,plain,
    ! [SV28: $i,SV80: $i] :
      ( ( ~ ( relation @ SV80 )
        | ( ( relation_dom_restriction @ SV80 @ SV28 )
          = ( relation_composition @ ( identity_relation @ SV28 ) @ SV80 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[478]) ).

thf(539,plain,
    ! [SV81: $i,SV29: $i] :
      ( ( ! [SY442: $i,SY443: $i] :
            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SY442 @ SY443 ) )
                  | ~ ( ~ ( in @ SV29 @ SY442 )
                      | ~ ( in @ SV81 @ SY443 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV29 @ SY442 )
                        | ~ ( in @ SV81 @ SY443 ) )
                  | ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SY442 @ SY443 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[479]) ).

thf(540,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( relation @ SV30 ) )
        = $true )
      | ( ( ! [SY312: $i,SY313: $i] :
              ~ ( ~ ( ( SY313
                     != ( relation_image @ SV30 @ SY312 ) )
                    | ! [SY314: $i] :
                        ~ ( ~ ( ~ ( in @ SY314 @ SY313 )
                              | ~ ! [SY315: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY315 @ SY314 ) @ SV30 )
                                        | ~ ( in @ SY315 @ SY312 ) ) )
                          | ~ ( ~ ~ ! [SY316: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY316 @ SY314 ) @ SV30 )
                                          | ~ ( in @ SY316 @ SY312 ) )
                              | ( in @ SY314 @ SY313 ) ) ) )
                | ~ ( ~ ! [SY317: $i] :
                          ~ ( ~ ( ~ ( in @ SY317 @ SY313 )
                                | ~ ! [SY318: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY318 @ SY317 ) @ SV30 )
                                          | ~ ( in @ SY318 @ SY312 ) ) )
                            | ~ ( ~ ~ ! [SY319: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY319 @ SY317 ) @ SV30 )
                                            | ~ ( in @ SY319 @ SY312 ) )
                                | ( in @ SY317 @ SY313 ) ) )
                    | ( SY313
                      = ( relation_image @ SV30 @ SY312 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[480]) ).

thf(541,plain,
    ! [SV82: $i,SV31: $i] :
      ( ( ! [SY444: $i] :
            ~ ( ~ ( ~ ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SY444 )
                  | ~ ( ~ ( in @ SV31 @ SY444 )
                      | ~ ( in @ SV82 @ SY444 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV31 @ SY444 )
                        | ~ ( in @ SV82 @ SY444 ) )
                  | ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SY444 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[481]) ).

thf(542,plain,
    ! [SV32: $i] :
      ( ( ~ ( relation @ ( identity_relation @ SV32 ) )
        | ~ ( function @ ( identity_relation @ SV32 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[482]) ).

thf(543,plain,
    ! [SV83: $i,SV33: $i] :
      ( ( ! [SY445: $i] :
            ( ~ ~ ( ~ ( in @ SV33 @ SV83 )
                  | ~ ( element @ SV83 @ ( powerset @ SY445 ) ) )
            | ( element @ SV33 @ SY445 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[483]) ).

thf(544,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ~ ( ~ ( ~ ~ ( empty @ SV34 )
                | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                        | ( in @ SV84 @ SV34 ) )
                    | ~ ( ~ ( in @ SV84 @ SV34 )
                        | ( element @ SV84 @ SV34 ) ) ) )
            | ~ ( ~ ( empty @ SV34 )
                | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                        | ( empty @ SV84 ) )
                    | ~ ( ~ ( empty @ SV84 )
                        | ( element @ SV84 @ SV34 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[484]) ).

thf(545,plain,
    ! [SV35: $i] :
      ( ( ~ ( ~ ( relation @ SV35 )
            | ! [SY325: $i] :
                ~ ~ ( ~ ( in @ SY325 @ SV35 )
                    | ~ ! [SX2: $i,SX3: $i] :
                          ( SY325
                         != ( ordered_pair @ SX2 @ SX3 ) ) ) )
        | ~ ( ~ ! [SY328: $i] :
                  ~ ~ ( ~ ( in @ SY328 @ SV35 )
                      | ~ ! [SX2: $i,SX3: $i] :
                            ( SY328
                           != ( ordered_pair @ SX2 @ SX3 ) ) )
            | ( relation @ SV35 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[485]) ).

thf(546,plain,
    ! [SV85: $i,SV36: $i] :
      ( ( ! [SY446: $i] :
            ( ~ ( subset @ SV36 @ SV85 )
            | ( in @ SY446 @ SV36 )
            | ( subset @ SV36 @ ( set_difference @ SV85 @ ( singleton @ SY446 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[486]) ).

thf(547,plain,
    ! [SV86: $i,SV37: $i] :
      ( ( ! [SY447: $i] :
            ( ~ ( relation @ SY447 )
            | ~ ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SY447 )
            | ~ ( ~ ( in @ SV37 @ ( relation_field @ SY447 ) )
                | ~ ( in @ SV86 @ ( relation_field @ SY447 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[487]) ).

thf(548,plain,
    ! [SV38: $i] :
      ( ( ~ ( ( SV38 != empty_set )
            | ! [SY335: $i] :
                ~ ( in @ SY335 @ SV38 ) )
        | ~ ( ~ ! [SY336: $i] :
                  ~ ( in @ SY336 @ SV38 )
            | ( SV38 = empty_set ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[488]) ).

thf(549,plain,
    ! [SV39: $i,SV87: $i] :
      ( ( ~ ( relation @ SV87 )
        | ! [SY448: $i] :
            ( ~ ( relation @ SY448 )
            | ~ ( ~ ( ( SY448
                     != ( relation_rng_restriction @ SV39 @ SV87 ) )
                    | ! [SY449: $i,SY450: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SY448 )
                              | ~ ( ~ ( in @ SY450 @ SV39 )
                                  | ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SV87 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY450 @ SV39 )
                                    | ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SV87 ) )
                              | ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SY448 ) ) ) )
                | ~ ( ~ ! [SY451: $i,SY452: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SY448 )
                                | ~ ( ~ ( in @ SY452 @ SV39 )
                                    | ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SV87 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY452 @ SV39 )
                                      | ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SV87 ) )
                                | ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SY448 ) ) )
                    | ( SY448
                      = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[489]) ).

thf(550,plain,
    ! [SV40: $i] :
      ( ( ( ( relation_dom @ ( identity_relation @ SV40 ) )
         != SV40 )
        | ( ( relation_rng @ ( identity_relation @ SV40 ) )
         != SV40 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[490]) ).

thf(551,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ~ ( ~ ( ( SV88
                 != ( singleton @ SV41 ) )
                | ! [SY453: $i] :
                    ~ ( ~ ( ~ ( in @ SY453 @ SV88 )
                          | ( SY453 = SV41 ) )
                      | ~ ( ( SY453 != SV41 )
                          | ( in @ SY453 @ SV88 ) ) ) )
            | ~ ( ~ ! [SY454: $i] :
                      ~ ( ~ ( ~ ( in @ SY454 @ SV88 )
                            | ( SY454 = SV41 ) )
                        | ~ ( ( SY454 != SV41 )
                            | ( in @ SY454 @ SV88 ) ) )
                | ( SV88
                  = ( singleton @ SV41 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[491]) ).

thf(552,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ~ ( ~ ( ( SV89
                 != ( union @ SV42 ) )
                | ! [SY455: $i] :
                    ~ ( ~ ( ~ ( in @ SY455 @ SV89 )
                          | ~ ! [SY348: $i] :
                                ~ ~ ( ~ ( in @ SY455 @ SY348 )
                                    | ~ ( in @ SY348 @ SV42 ) ) )
                      | ~ ( ~ ~ ! [SY349: $i] :
                                  ~ ~ ( ~ ( in @ SY455 @ SY349 )
                                      | ~ ( in @ SY349 @ SV42 ) )
                          | ( in @ SY455 @ SV89 ) ) ) )
            | ~ ( ~ ! [SY458: $i] :
                      ~ ( ~ ( ~ ( in @ SY458 @ SV89 )
                            | ~ ! [SY351: $i] :
                                  ~ ~ ( ~ ( in @ SY458 @ SY351 )
                                      | ~ ( in @ SY351 @ SV42 ) ) )
                        | ~ ( ~ ~ ! [SY352: $i] :
                                    ~ ~ ( ~ ( in @ SY458 @ SY352 )
                                        | ~ ( in @ SY352 @ SV42 ) )
                            | ( in @ SY458 @ SV89 ) ) )
                | ( SV89
                  = ( union @ SV42 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[492]) ).

thf(553,plain,
    ! [SV90: $i,SV43: $i] :
      ( ( ! [SY461: $i] :
            ( ~ ( relation @ SY461 )
            | ~ ( ~ ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SY461 @ SV90 ) ) )
                    | ~ ( ~ ( in @ SV43 @ SV90 )
                        | ~ ( in @ SV43 @ ( relation_dom @ SY461 ) ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                          | ~ ( in @ SV43 @ ( relation_dom @ SY461 ) ) )
                    | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SY461 @ SV90 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[493]) ).

thf(554,plain,
    ! [SV91: $i,SV44: $i] :
      ( ( ~ ~ ( ~ ( disjoint @ ( singleton @ SV44 ) @ SV91 )
              | ~ ( in @ SV44 @ SV91 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[494]) ).

thf(555,plain,
    ! [SV92: $i,SV45: $i] :
      ( ( ~ ( in @ SV45 @ SV92 )
        | ( subset @ SV45 @ ( union @ SV92 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[495]) ).

thf(556,plain,
    ! [SV46: $i] :
      ( ( ! [SY357: $i] :
            ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV46 @ SY357 )
                            | ~ ! [SX2: $i,SX3: $i] :
                                  ( ~ ~ ( ~ ( in @ SX2 @ SY357 )
                                        | ~ ( subset @ SX3 @ SX2 ) )
                                  | ( in @ SX3 @ SY357 ) ) )
                      | ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( in @ SX2 @ SY357 )
                                | ~ ! [SX3: $i] :
                                      ~ ~ ( ~ ( in @ SX3 @ SY357 )
                                          | ~ ! [SX4: $i] :
                                                ( ~ ( subset @ SX4 @ SX2 )
                                                | ( in @ SX4 @ SX3 ) ) ) ) )
                | ~ ! [SX2: $i] :
                      ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SY357 )
                                | ~ ~ ( are_equipotent @ SX2 @ SY357 ) )
                          | ~ ~ ( in @ SX2 @ SY357 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[496]) ).

thf(557,plain,
    ! [SV47: $i] :
      ( ( ( ~ ( relation @ SV47 ) )
        = $true )
      | ( ( ! [SY364: $i] :
              ~ ( ~ ( ( SY364
                     != ( relation_dom @ SV47 ) )
                    | ! [SY365: $i] :
                        ~ ( ~ ( ~ ( in @ SY365 @ SY364 )
                              | ~ ! [SY366: $i] :
                                    ~ ( in @ ( ordered_pair @ SY365 @ SY366 ) @ SV47 ) )
                          | ~ ( ~ ~ ! [SY367: $i] :
                                      ~ ( in @ ( ordered_pair @ SY365 @ SY367 ) @ SV47 )
                              | ( in @ SY365 @ SY364 ) ) ) )
                | ~ ( ~ ! [SY368: $i] :
                          ~ ( ~ ( ~ ( in @ SY368 @ SY364 )
                                | ~ ! [SY369: $i] :
                                      ~ ( in @ ( ordered_pair @ SY368 @ SY369 ) @ SV47 ) )
                            | ~ ( ~ ~ ! [SY370: $i] :
                                        ~ ( in @ ( ordered_pair @ SY368 @ SY370 ) @ SV47 )
                                | ( in @ SY368 @ SY364 ) ) )
                    | ( SY364
                      = ( relation_dom @ SV47 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[497]) ).

thf(558,plain,
    ! [SV93: $i,SV48: $i] :
      ( ( ~ ! [SY462: $i] :
              ( ~ ( in @ SY462 @ SV48 )
              | ( in @ SY462 @ SV93 ) )
        | ( element @ SV48 @ ( powerset @ SV93 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[498]) ).

thf(559,plain,
    ! [SV49: $i] :
      ( ( ( ~ ( relation @ SV49 ) )
        = $true )
      | ( ( ! [SY373: $i] :
              ( ~ ( relation @ SY373 )
              | ~ ( ~ ( ( SY373
                       != ( relation_inverse @ SV49 ) )
                      | ! [SY374: $i,SY375: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY374 @ SY375 ) @ SY373 )
                                | ( in @ ( ordered_pair @ SY375 @ SY374 ) @ SV49 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SY375 @ SY374 ) @ SV49 )
                                | ( in @ ( ordered_pair @ SY374 @ SY375 ) @ SY373 ) ) ) )
                  | ~ ( ~ ! [SY376: $i,SY377: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY376 @ SY377 ) @ SY373 )
                                  | ( in @ ( ordered_pair @ SY377 @ SY376 ) @ SV49 ) )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY377 @ SY376 ) @ SV49 )
                                  | ( in @ ( ordered_pair @ SY376 @ SY377 ) @ SY373 ) ) )
                      | ( SY373
                        = ( relation_inverse @ SV49 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[499]) ).

thf(560,plain,
    ! [SV94: $i,SV50: $i] :
      ( ( ~ ( ~ ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
                 != SV50 )
                | ~ ( in @ SV94 @ SV50 ) )
            | ~ ( ~ ~ ( in @ SV94 @ SV50 )
                | ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
                  = SV50 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[500]) ).

thf(561,plain,
    ! [SV95: $i,SV51: $i] :
      ( ( ~ ( in @ SV51 @ SV95 )
        | ( subset @ SV51 @ ( union @ SV95 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[501]) ).

thf(562,plain,
    ! [SV96: $i,SV52: $i] :
      ( ( ~ ( in @ SV52 @ SV96 )
        | ( element @ SV52 @ SV96 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[502]) ).

thf(563,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV53 @ SV97 )
                | ! [SY463: $i] :
                    ( ~ ( in @ SY463 @ SV53 )
                    | ( in @ SY463 @ SV97 ) ) )
            | ~ ( ~ ! [SY464: $i] :
                      ( ~ ( in @ SY464 @ SV53 )
                      | ( in @ SY464 @ SV97 ) )
                | ( subset @ SV53 @ SV97 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[503]) ).

thf(564,plain,
    ! [SV98: $i,SV54: $i] :
      ( ( ! [SY465: $i] :
            ( ~ ( element @ SY465 @ ( powerset @ SV54 ) )
            | ~ ~ ( ~ ( in @ SV98 @ ( subset_complement @ SV54 @ SY465 ) )
                  | ~ ( in @ SV98 @ SY465 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[504]) ).

thf(565,plain,
    ! [SV55: $i,SV99: $i] :
      ( ( ~ ( element @ SV99 @ ( powerset @ SV55 ) )
        | ! [SY466: $i] :
            ( ~ ( in @ SY466 @ SV99 )
            | ( in @ SY466 @ SV55 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[505]) ).

thf(566,plain,
    ! [SV100: $i,SV56: $i] :
      ( ( ! [SY467: $i] :
            ~ ( ~ ( ( SY467
                   != ( unordered_pair @ SV56 @ SV100 ) )
                  | ! [SY468: $i] :
                      ~ ( ~ ( ~ ( in @ SY468 @ SY467 )
                            | ( SY468 = SV56 )
                            | ( SY468 = SV100 ) )
                        | ~ ( ~ ( ( SY468 = SV56 )
                                | ( SY468 = SV100 ) )
                            | ( in @ SY468 @ SY467 ) ) ) )
              | ~ ( ~ ! [SY469: $i] :
                        ~ ( ~ ( ~ ( in @ SY469 @ SY467 )
                              | ( SY469 = SV56 )
                              | ( SY469 = SV100 ) )
                          | ~ ( ~ ( ( SY469 = SV56 )
                                  | ( SY469 = SV100 ) )
                              | ( in @ SY469 @ SY467 ) ) )
                  | ( SY467
                    = ( unordered_pair @ SV56 @ SV100 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[506]) ).

thf(567,plain,
    ! [SV101: $i,SV57: $i] :
      ( ( ~ ( in @ SV57 @ SV101 )
        | ( ( set_union2 @ ( singleton @ SV57 ) @ SV101 )
          = SV101 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[507]) ).

thf(568,plain,
    ! [SV102: $i,SV58: $i] :
      ( ( ! [SY470: $i] :
            ~ ( ~ ( ( SY470
                   != ( set_difference @ SV58 @ SV102 ) )
                  | ! [SY471: $i] :
                      ~ ( ~ ( ~ ( in @ SY471 @ SY470 )
                            | ~ ( ~ ( in @ SY471 @ SV58 )
                                | ~ ~ ( in @ SY471 @ SV102 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY471 @ SV58 )
                                  | ~ ~ ( in @ SY471 @ SV102 ) )
                            | ( in @ SY471 @ SY470 ) ) ) )
              | ~ ( ~ ! [SY472: $i] :
                        ~ ( ~ ( ~ ( in @ SY472 @ SY470 )
                              | ~ ( ~ ( in @ SY472 @ SV58 )
                                  | ~ ~ ( in @ SY472 @ SV102 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY472 @ SV58 )
                                    | ~ ~ ( in @ SY472 @ SV102 ) )
                              | ( in @ SY472 @ SY470 ) ) )
                  | ( SY470
                    = ( set_difference @ SV58 @ SV102 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[508]) ).

thf(569,plain,
    ! [SV103: $i,SV59: $i] :
      ( ( ! [SY473: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV59 @ SV103 )
                      | ~ ( element @ SV103 @ ( powerset @ SY473 ) ) )
                | ~ ( empty @ SY473 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[509]) ).

thf(570,plain,
    ! [SV104: $i,SV60: $i] :
      ( ( ! [SY474: $i] :
            ~ ( ~ ( ( SY474
                   != ( set_intersection2 @ SV60 @ SV104 ) )
                  | ! [SY475: $i] :
                      ~ ( ~ ( ~ ( in @ SY475 @ SY474 )
                            | ~ ( ~ ( in @ SY475 @ SV60 )
                                | ~ ( in @ SY475 @ SV104 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY475 @ SV60 )
                                  | ~ ( in @ SY475 @ SV104 ) )
                            | ( in @ SY475 @ SY474 ) ) ) )
              | ~ ( ~ ! [SY476: $i] :
                        ~ ( ~ ( ~ ( in @ SY476 @ SY474 )
                              | ~ ( ~ ( in @ SY476 @ SV60 )
                                  | ~ ( in @ SY476 @ SV104 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY476 @ SV60 )
                                    | ~ ( in @ SY476 @ SV104 ) )
                              | ( in @ SY476 @ SY474 ) ) )
                  | ( SY474
                    = ( set_intersection2 @ SV60 @ SV104 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[510]) ).

thf(571,plain,
    ! [SV105: $i,SV61: $i] :
      ( ( ~ ~ ( ~ ( in @ SV61 @ SV105 )
              | ~ ( empty @ SV105 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[511]) ).

thf(572,plain,
    ! [SV62: $i,SV2: $i] :
      ( ( ( ~ ( in @ SV2 @ SV62 ) )
        = $true )
      | ( ( ~ ( in @ SV62 @ SV2 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[512]) ).

thf(573,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ~ ~ ( ~ ~ ( disjoint @ SV3 @ SV63 )
                | ~ ! [SY404: $i] :
                      ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        | ~ ~ ~ ( ~ ~ ! [SY405: $i] :
                        ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) )
                | ~ ( disjoint @ SV3 @ SV63 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[513]) ).

thf(574,plain,
    ! [SV64: $i,SV4: $i] :
      ( ( ( ~ ~ ( in @ SV4 @ SV64 ) )
        = $true )
      | ( ( disjoint @ ( singleton @ SV4 ) @ SV64 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[514]) ).

thf(575,plain,
    ! [SV65: $i,SV5: $i] :
      ( ( ( ~ ! [SY406: $i] :
                ~ ( ~ ( ~ ( in @ SY406 @ SV5 )
                      | ( in @ SY406 @ SV65 ) )
                  | ~ ( ~ ( in @ SY406 @ SV65 )
                      | ( in @ SY406 @ SV5 ) ) ) )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[515]) ).

thf(576,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ~ ( ~ ( relation @ SV66 )
                | ~ ( function @ SV66 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV66
                   != ( identity_relation @ SV6 ) )
                  | ~ ( ( ( relation_dom @ SV66 )
                       != SV6 )
                      | ~ ! [SY407: $i] :
                            ( ~ ( in @ SY407 @ SV6 )
                            | ( ( apply @ SV66 @ SY407 )
                              = SY407 ) ) ) )
              | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                         != SV6 )
                        | ~ ! [SY408: $i] :
                              ( ~ ( in @ SY408 @ SV6 )
                              | ( ( apply @ SV66 @ SY408 )
                                = SY408 ) ) )
                  | ( SV66
                    = ( identity_relation @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[516]) ).

thf(577,plain,
    ! [SV106: $i,SV67: $i,SV7: $i] :
      ( ( ! [SY477: $i] :
            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SY477 ) )
                  | ~ ( ~ ( in @ SV7 @ SV106 )
                      | ~ ( in @ SV67 @ SY477 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV7 @ SV106 )
                        | ~ ( in @ SV67 @ SY477 ) )
                  | ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SY477 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[517]) ).

thf(578,plain,
    ! [SV8: $i] :
      ( ( ( relation @ SV8 )
        = $false )
      | ( ( ! [SY217: $i] :
              ( ~ ( relation @ SY217 )
              | ~ ( ~ ( ( SV8 != SY217 )
                      | ! [SY218: $i,SY219: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SV8 )
                                | ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SY217 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SY217 )
                                | ( in @ ( ordered_pair @ SY218 @ SY219 ) @ SV8 ) ) ) )
                  | ~ ( ~ ! [SY220: $i,SY221: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SV8 )
                                  | ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SY217 ) )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SY217 )
                                  | ( in @ ( ordered_pair @ SY220 @ SY221 ) @ SV8 ) ) )
                      | ( SV8 = SY217 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[518]) ).

thf(579,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ~ ( ~ ( subset @ ( singleton @ SV9 ) @ SV68 )
            | ( in @ SV9 @ SV68 ) )
        | ~ ( ~ ( in @ SV9 @ SV68 )
            | ( subset @ ( singleton @ SV9 ) @ SV68 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[519]) ).

thf(580,plain,
    ! [SV10: $i] :
      ( ( ( relation @ SV10 )
        = $false )
      | ( ( ! [SY223: $i] :
              ( ~ ( relation @ SY223 )
              | ! [SY224: $i] :
                  ( ~ ( relation @ SY224 )
                  | ~ ( ~ ( ( SY224
                           != ( relation_composition @ SV10 @ SY223 ) )
                          | ! [SY225: $i,SY226: $i] :
                              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY226 ) @ SY224 )
                                    | ~ ! [SY227: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY227 ) @ SV10 )
                                              | ~ ( in @ ( ordered_pair @ SY227 @ SY226 ) @ SY223 ) ) )
                                | ~ ( ~ ~ ! [SY228: $i] :
                                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY225 @ SY228 ) @ SV10 )
                                                | ~ ( in @ ( ordered_pair @ SY228 @ SY226 ) @ SY223 ) )
                                    | ( in @ ( ordered_pair @ SY225 @ SY226 ) @ SY224 ) ) ) )
                      | ~ ( ~ ! [SY229: $i,SY230: $i] :
                                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY230 ) @ SY224 )
                                      | ~ ! [SY231: $i] :
                                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY231 ) @ SV10 )
                                                | ~ ( in @ ( ordered_pair @ SY231 @ SY230 ) @ SY223 ) ) )
                                  | ~ ( ~ ~ ! [SY232: $i] :
                                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY229 @ SY232 ) @ SV10 )
                                                  | ~ ( in @ ( ordered_pair @ SY232 @ SY230 ) @ SY223 ) )
                                      | ( in @ ( ordered_pair @ SY229 @ SY230 ) @ SY224 ) ) )
                          | ( SY224
                            = ( relation_composition @ SV10 @ SY223 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[520]) ).

thf(581,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ~ ( ~ ( ( SV107
                 != ( cartesian_product2 @ SV11 @ SV69 ) )
                | ! [SY478: $i] :
                    ~ ( ~ ( ~ ( in @ SY478 @ SV107 )
                          | ~ ! [SY413: $i] :
                                ~ ~ ! [SY414: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY413 @ SV11 )
                                                | ~ ( in @ SY414 @ SV69 ) )
                                          | ( SY478
                                           != ( ordered_pair @ SY413 @ SY414 ) ) ) )
                      | ~ ( ~ ~ ! [SY415: $i] :
                                  ~ ~ ! [SY416: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY415 @ SV11 )
                                                  | ~ ( in @ SY416 @ SV69 ) )
                                            | ( SY478
                                             != ( ordered_pair @ SY415 @ SY416 ) ) )
                          | ( in @ SY478 @ SV107 ) ) ) )
            | ~ ( ~ ! [SY483: $i] :
                      ~ ( ~ ( ~ ( in @ SY483 @ SV107 )
                            | ~ ! [SY418: $i] :
                                  ~ ~ ! [SY419: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY418 @ SV11 )
                                                  | ~ ( in @ SY419 @ SV69 ) )
                                            | ( SY483
                                             != ( ordered_pair @ SY418 @ SY419 ) ) ) )
                        | ~ ( ~ ~ ! [SY420: $i] :
                                    ~ ~ ! [SY421: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY420 @ SV11 )
                                                    | ~ ( in @ SY421 @ SV69 ) )
                                              | ( SY483
                                               != ( ordered_pair @ SY420 @ SY421 ) ) )
                            | ( in @ SY483 @ SV107 ) ) )
                | ( SV107
                  = ( cartesian_product2 @ SV11 @ SV69 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[521]) ).

thf(582,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ~ ( relation @ SV70 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV70
                   != ( identity_relation @ SV12 ) )
                  | ! [SY422: $i,SY423: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                            | ~ ( ~ ( in @ SY422 @ SV12 )
                                | ( SY422 != SY423 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                                  | ( SY422 != SY423 ) )
                            | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) )
              | ~ ( ~ ! [SY424: $i,SY425: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                              | ~ ( ~ ( in @ SY424 @ SV12 )
                                  | ( SY424 != SY425 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                                    | ( SY424 != SY425 ) )
                              | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) )
                  | ( SV70
                    = ( identity_relation @ SV12 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[522]) ).

thf(583,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ~ ( ( SV71
             != ( powerset @ SV13 ) )
            | ! [SY426: $i] :
                ~ ( ~ ( ~ ( in @ SY426 @ SV71 )
                      | ( subset @ SY426 @ SV13 ) )
                  | ~ ( ~ ( subset @ SY426 @ SV13 )
                      | ( in @ SY426 @ SV71 ) ) ) )
        | ~ ( ~ ! [SY427: $i] :
                  ~ ( ~ ( ~ ( in @ SY427 @ SV71 )
                        | ( subset @ SY427 @ SV13 ) )
                    | ~ ( ~ ( subset @ SY427 @ SV13 )
                        | ( in @ SY427 @ SV71 ) ) )
            | ( SV71
              = ( powerset @ SV13 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[523]) ).

thf(584,plain,
    ! [SV14: $i] :
      ( ( ( relation @ SV14 )
        = $false )
      | ( ( ! [SY253: $i,SY254: $i] :
              ~ ( ~ ( ( SY254
                     != ( relation_inverse_image @ SV14 @ SY253 ) )
                    | ! [SY255: $i] :
                        ~ ( ~ ( ~ ( in @ SY255 @ SY254 )
                              | ~ ! [SY256: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY255 @ SY256 ) @ SV14 )
                                        | ~ ( in @ SY256 @ SY253 ) ) )
                          | ~ ( ~ ~ ! [SY257: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY255 @ SY257 ) @ SV14 )
                                          | ~ ( in @ SY257 @ SY253 ) )
                              | ( in @ SY255 @ SY254 ) ) ) )
                | ~ ( ~ ! [SY258: $i] :
                          ~ ( ~ ( ~ ( in @ SY258 @ SY254 )
                                | ~ ! [SY259: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY258 @ SY259 ) @ SV14 )
                                          | ~ ( in @ SY259 @ SY253 ) ) )
                            | ~ ( ~ ~ ! [SY260: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY258 @ SY260 ) @ SV14 )
                                            | ~ ( in @ SY260 @ SY253 ) )
                                | ( in @ SY258 @ SY254 ) ) )
                    | ( SY254
                      = ( relation_inverse_image @ SV14 @ SY253 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[524]) ).

thf(585,plain,
    ! [SV15: $i] :
      ( ( ( relation @ SV15 )
        = $false )
      | ( ( ! [SY261: $i] :
              ~ ( ~ ( ( SY261
                     != ( relation_rng @ SV15 ) )
                    | ! [SY262: $i] :
                        ~ ( ~ ( ~ ( in @ SY262 @ SY261 )
                              | ~ ! [SY263: $i] :
                                    ~ ( in @ ( ordered_pair @ SY263 @ SY262 ) @ SV15 ) )
                          | ~ ( ~ ~ ! [SY264: $i] :
                                      ~ ( in @ ( ordered_pair @ SY264 @ SY262 ) @ SV15 )
                              | ( in @ SY262 @ SY261 ) ) ) )
                | ~ ( ~ ! [SY265: $i] :
                          ~ ( ~ ( ~ ( in @ SY265 @ SY261 )
                                | ~ ! [SY266: $i] :
                                      ~ ( in @ ( ordered_pair @ SY266 @ SY265 ) @ SV15 ) )
                            | ~ ( ~ ~ ! [SY267: $i] :
                                        ~ ( in @ ( ordered_pair @ SY267 @ SY265 ) @ SV15 )
                                | ( in @ SY265 @ SY261 ) ) )
                    | ( SY261
                      = ( relation_rng @ SV15 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[525]) ).

thf(586,plain,
    ! [SV16: $i] :
      ( ( ( relation @ SV16 )
        = $false )
      | ( ( ! [SY268: $i] :
              ( ~ ( relation @ SY268 )
              | ~ ( ~ ( ~ ( subset @ SV16 @ SY268 )
                      | ! [SY269: $i,SY270: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY269 @ SY270 ) @ SV16 )
                          | ( in @ ( ordered_pair @ SY269 @ SY270 ) @ SY268 ) ) )
                  | ~ ( ~ ! [SY271: $i,SY272: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY271 @ SY272 ) @ SV16 )
                            | ( in @ ( ordered_pair @ SY271 @ SY272 ) @ SY268 ) )
                      | ( subset @ SV16 @ SY268 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[526]) ).

thf(587,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ~ ( ~ ( ( SV108
                 != ( set_union2 @ SV17 @ SV72 ) )
                | ! [SY488: $i] :
                    ~ ( ~ ( ~ ( in @ SY488 @ SV108 )
                          | ( in @ SY488 @ SV17 )
                          | ( in @ SY488 @ SV72 ) )
                      | ~ ( ~ ( ( in @ SY488 @ SV17 )
                              | ( in @ SY488 @ SV72 ) )
                          | ( in @ SY488 @ SV108 ) ) ) )
            | ~ ( ~ ! [SY489: $i] :
                      ~ ( ~ ( ~ ( in @ SY489 @ SV108 )
                            | ( in @ SY489 @ SV17 )
                            | ( in @ SY489 @ SV72 ) )
                        | ~ ( ~ ( ( in @ SY489 @ SV17 )
                                | ( in @ SY489 @ SV72 ) )
                            | ( in @ SY489 @ SV108 ) ) )
                | ( SV108
                  = ( set_union2 @ SV17 @ SV72 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[527]) ).

thf(588,plain,
    ! [SV18: $i] :
      ( ( ( relation @ SV18 )
        = $false )
      | ( ( ~ ! [SY277: $i,SY278: $i] :
                ~ ( in @ ( ordered_pair @ SY277 @ SY278 ) @ SV18 )
          | ( SV18 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[528]) ).

thf(589,plain,
    ! [SV73: $i,SV19: $i] :
      ( ( ( ~ ( in @ SV19 @ SV73 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV19 ) @ SV73 )
          = SV73 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[529]) ).

thf(590,plain,
    ! [SV20: $i] :
      ( ( ( relation @ SV20 )
        = $false )
      | ( ( ! [SY280: $i,SY281: $i] :
              ( ~ ( relation @ SY281 )
              | ~ ( ~ ( ( SY281
                       != ( relation_dom_restriction @ SV20 @ SY280 ) )
                      | ! [SY282: $i,SY283: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SY281 )
                                | ~ ( ~ ( in @ SY282 @ SY280 )
                                    | ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SV20 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY282 @ SY280 )
                                      | ~ ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SV20 ) )
                                | ( in @ ( ordered_pair @ SY282 @ SY283 ) @ SY281 ) ) ) )
                  | ~ ( ~ ! [SY284: $i,SY285: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SY281 )
                                  | ~ ( ~ ( in @ SY284 @ SY280 )
                                      | ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SV20 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SY284 @ SY280 )
                                        | ~ ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SV20 ) )
                                  | ( in @ ( ordered_pair @ SY284 @ SY285 ) @ SY281 ) ) )
                      | ( SY281
                        = ( relation_dom_restriction @ SV20 @ SY280 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[530]) ).

thf(591,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ~ ~ ( ~ ~ ( disjoint @ SV21 @ SV74 )
                | ~ ! [SY431: $i] :
                      ~ ~ ( ~ ( in @ SY431 @ SV21 )
                          | ~ ( in @ SY431 @ SV74 ) ) )
        | ~ ~ ~ ( ~ ~ ! [SY432: $i] :
                        ~ ~ ( ~ ( in @ SY432 @ SV21 )
                            | ~ ( in @ SY432 @ SV74 ) )
                | ~ ( disjoint @ SV21 @ SV74 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[531]) ).

thf(592,plain,
    ! [SV75: $i,SV22: $i,SV109: $i] :
      ( ( ~ ( relation @ SV109 )
        | ~ ( ~ ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
                | ~ ( ~ ( in @ SV22 @ SV75 )
                    | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                      | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
                | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[532]) ).

thf(593,plain,
    ! [SV23: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
                          | ~ ! [SY490: $i,SY491: $i] :
                                ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                                      | ~ ( subset @ SY491 @ SY490 ) )
                                | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
                    | ~ ! [SY492: $i] :
                          ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
                          | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) )
              | ~ ! [SY493: $i] :
                    ~ ~ ( ~ ~ ( ~ ( subset @ SY493 @ ( sK3_SY291 @ SV23 ) )
                              | ~ ~ ( are_equipotent @ SY493 @ ( sK3_SY291 @ SV23 ) ) )
                        | ~ ~ ( in @ SY493 @ ( sK3_SY291 @ SV23 ) ) ) ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[533]) ).

thf(594,plain,
    ! [SV76: $i,SV24: $i] :
      ( ( ( ~ ( element @ SV24 @ SV76 ) )
        = $true )
      | ( ( ( empty @ SV76 )
          | ( in @ SV24 @ SV76 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[534]) ).

thf(595,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( ~ ( subset @ ( singleton @ SV25 ) @ SV77 )
            | ( in @ SV25 @ SV77 ) )
        | ~ ( ~ ( in @ SV25 @ SV77 )
            | ( subset @ ( singleton @ SV25 ) @ SV77 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[535]) ).

thf(596,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ~ ( ~ ( ( SV26 != empty_set ) )
            | ~ ( ~ ( ( SV78
                     != ( set_meet @ SV26 ) )
                    | ! [SY434: $i] :
                        ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                              | ! [SY300: $i] :
                                  ( ~ ( in @ SY300 @ SV26 )
                                  | ( in @ SY434 @ SY300 ) ) )
                          | ~ ( ~ ! [SY301: $i] :
                                    ( ~ ( in @ SY301 @ SV26 )
                                    | ( in @ SY434 @ SY301 ) )
                              | ( in @ SY434 @ SV78 ) ) ) )
                | ~ ( ~ ! [SY437: $i] :
                          ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                                | ! [SY303: $i] :
                                    ( ~ ( in @ SY303 @ SV26 )
                                    | ( in @ SY437 @ SY303 ) ) )
                            | ~ ( ~ ! [SY304: $i] :
                                      ( ~ ( in @ SY304 @ SV26 )
                                      | ( in @ SY437 @ SY304 ) )
                                | ( in @ SY437 @ SV78 ) ) )
                    | ( SV78
                      = ( set_meet @ SV26 ) ) ) ) )
        | ~ ( ( SV26 != empty_set )
            | ~ ( ~ ( ( SV78
                     != ( set_meet @ SV26 ) )
                    | ( SV78 = empty_set ) )
                | ~ ( ( SV78 != empty_set )
                    | ( SV78
                      = ( set_meet @ SV26 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[536]) ).

thf(597,plain,
    ! [SV110: $i,SV79: $i,SV27: $i] :
      ( ( ! [SY494: $i] :
            ( ~ ( relation @ SY494 )
            | ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SY494 ) )
                    | ~ ( ~ ( in @ SV27 @ SV110 )
                        | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SY494 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                          | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SY494 ) )
                    | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SY494 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[537]) ).

thf(598,plain,
    ! [SV28: $i,SV80: $i] :
      ( ( ( ~ ( relation @ SV80 ) )
        = $true )
      | ( ( ( relation_dom_restriction @ SV80 @ SV28 )
          = ( relation_composition @ ( identity_relation @ SV28 ) @ SV80 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[538]) ).

thf(599,plain,
    ! [SV111: $i,SV81: $i,SV29: $i] :
      ( ( ! [SY495: $i] :
            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SY495 ) )
                  | ~ ( ~ ( in @ SV29 @ SV111 )
                      | ~ ( in @ SV81 @ SY495 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV29 @ SV111 )
                        | ~ ( in @ SV81 @ SY495 ) )
                  | ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SY495 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[539]) ).

thf(600,plain,
    ! [SV30: $i] :
      ( ( ( relation @ SV30 )
        = $false )
      | ( ( ! [SY312: $i,SY313: $i] :
              ~ ( ~ ( ( SY313
                     != ( relation_image @ SV30 @ SY312 ) )
                    | ! [SY314: $i] :
                        ~ ( ~ ( ~ ( in @ SY314 @ SY313 )
                              | ~ ! [SY315: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY315 @ SY314 ) @ SV30 )
                                        | ~ ( in @ SY315 @ SY312 ) ) )
                          | ~ ( ~ ~ ! [SY316: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY316 @ SY314 ) @ SV30 )
                                          | ~ ( in @ SY316 @ SY312 ) )
                              | ( in @ SY314 @ SY313 ) ) ) )
                | ~ ( ~ ! [SY317: $i] :
                          ~ ( ~ ( ~ ( in @ SY317 @ SY313 )
                                | ~ ! [SY318: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY318 @ SY317 ) @ SV30 )
                                          | ~ ( in @ SY318 @ SY312 ) ) )
                            | ~ ( ~ ~ ! [SY319: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY319 @ SY317 ) @ SV30 )
                                            | ~ ( in @ SY319 @ SY312 ) )
                                | ( in @ SY317 @ SY313 ) ) )
                    | ( SY313
                      = ( relation_image @ SV30 @ SY312 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[540]) ).

thf(601,plain,
    ! [SV112: $i,SV82: $i,SV31: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
                | ~ ( ~ ( in @ SV31 @ SV112 )
                    | ~ ( in @ SV82 @ SV112 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SV31 @ SV112 )
                      | ~ ( in @ SV82 @ SV112 ) )
                | ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[541]) ).

thf(602,plain,
    ! [SV32: $i] :
      ( ( ~ ( relation @ ( identity_relation @ SV32 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[542]) ).

thf(603,plain,
    ! [SV32: $i] :
      ( ( ~ ( function @ ( identity_relation @ SV32 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[542]) ).

thf(604,plain,
    ! [SV113: $i,SV83: $i,SV33: $i] :
      ( ( ~ ~ ( ~ ( in @ SV33 @ SV83 )
              | ~ ( element @ SV83 @ ( powerset @ SV113 ) ) )
        | ( element @ SV33 @ SV113 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[543]) ).

thf(605,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ~ ( ~ ~ ( empty @ SV34 )
            | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                    | ( in @ SV84 @ SV34 ) )
                | ~ ( ~ ( in @ SV84 @ SV34 )
                    | ( element @ SV84 @ SV34 ) ) ) )
        | ~ ( ~ ( empty @ SV34 )
            | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                    | ( empty @ SV84 ) )
                | ~ ( ~ ( empty @ SV84 )
                    | ( element @ SV84 @ SV34 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[544]) ).

thf(606,plain,
    ! [SV35: $i] :
      ( ( ~ ( ~ ( relation @ SV35 )
            | ! [SY325: $i] :
                ~ ~ ( ~ ( in @ SY325 @ SV35 )
                    | ~ ! [SX2: $i,SX3: $i] :
                          ( SY325
                         != ( ordered_pair @ SX2 @ SX3 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[545]) ).

thf(607,plain,
    ! [SV35: $i] :
      ( ( ~ ( ~ ! [SY328: $i] :
                  ~ ~ ( ~ ( in @ SY328 @ SV35 )
                      | ~ ! [SX2: $i,SX3: $i] :
                            ( SY328
                           != ( ordered_pair @ SX2 @ SX3 ) ) )
            | ( relation @ SV35 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[545]) ).

thf(608,plain,
    ! [SV114: $i,SV85: $i,SV36: $i] :
      ( ( ~ ( subset @ SV36 @ SV85 )
        | ( in @ SV114 @ SV36 )
        | ( subset @ SV36 @ ( set_difference @ SV85 @ ( singleton @ SV114 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[546]) ).

thf(609,plain,
    ! [SV86: $i,SV37: $i,SV115: $i] :
      ( ( ~ ( relation @ SV115 )
        | ~ ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
        | ~ ( ~ ( in @ SV37 @ ( relation_field @ SV115 ) )
            | ~ ( in @ SV86 @ ( relation_field @ SV115 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[547]) ).

thf(610,plain,
    ! [SV38: $i] :
      ( ( ~ ( ( SV38 != empty_set )
            | ! [SY335: $i] :
                ~ ( in @ SY335 @ SV38 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[548]) ).

thf(611,plain,
    ! [SV38: $i] :
      ( ( ~ ( ~ ! [SY336: $i] :
                  ~ ( in @ SY336 @ SV38 )
            | ( SV38 = empty_set ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[548]) ).

thf(612,plain,
    ! [SV39: $i,SV87: $i] :
      ( ( ( ~ ( relation @ SV87 ) )
        = $true )
      | ( ( ! [SY448: $i] :
              ( ~ ( relation @ SY448 )
              | ~ ( ~ ( ( SY448
                       != ( relation_rng_restriction @ SV39 @ SV87 ) )
                      | ! [SY449: $i,SY450: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SY448 )
                                | ~ ( ~ ( in @ SY450 @ SV39 )
                                    | ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SV87 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY450 @ SV39 )
                                      | ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SV87 ) )
                                | ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SY448 ) ) ) )
                  | ~ ( ~ ! [SY451: $i,SY452: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SY448 )
                                  | ~ ( ~ ( in @ SY452 @ SV39 )
                                      | ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SV87 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SY452 @ SV39 )
                                        | ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SV87 ) )
                                  | ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SY448 ) ) )
                      | ( SY448
                        = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[549]) ).

thf(613,plain,
    ! [SV40: $i] :
      ( ( ( relation_dom @ ( identity_relation @ SV40 ) )
       != SV40 )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[550]) ).

thf(614,plain,
    ! [SV40: $i] :
      ( ( ( relation_rng @ ( identity_relation @ SV40 ) )
       != SV40 )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[550]) ).

thf(615,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ~ ( ( SV88
             != ( singleton @ SV41 ) )
            | ! [SY453: $i] :
                ~ ( ~ ( ~ ( in @ SY453 @ SV88 )
                      | ( SY453 = SV41 ) )
                  | ~ ( ( SY453 != SV41 )
                      | ( in @ SY453 @ SV88 ) ) ) )
        | ~ ( ~ ! [SY454: $i] :
                  ~ ( ~ ( ~ ( in @ SY454 @ SV88 )
                        | ( SY454 = SV41 ) )
                    | ~ ( ( SY454 != SV41 )
                        | ( in @ SY454 @ SV88 ) ) )
            | ( SV88
              = ( singleton @ SV41 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[551]) ).

thf(616,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ~ ( ( SV89
             != ( union @ SV42 ) )
            | ! [SY455: $i] :
                ~ ( ~ ( ~ ( in @ SY455 @ SV89 )
                      | ~ ! [SY348: $i] :
                            ~ ~ ( ~ ( in @ SY455 @ SY348 )
                                | ~ ( in @ SY348 @ SV42 ) ) )
                  | ~ ( ~ ~ ! [SY349: $i] :
                              ~ ~ ( ~ ( in @ SY455 @ SY349 )
                                  | ~ ( in @ SY349 @ SV42 ) )
                      | ( in @ SY455 @ SV89 ) ) ) )
        | ~ ( ~ ! [SY458: $i] :
                  ~ ( ~ ( ~ ( in @ SY458 @ SV89 )
                        | ~ ! [SY351: $i] :
                              ~ ~ ( ~ ( in @ SY458 @ SY351 )
                                  | ~ ( in @ SY351 @ SV42 ) ) )
                    | ~ ( ~ ~ ! [SY352: $i] :
                                ~ ~ ( ~ ( in @ SY458 @ SY352 )
                                    | ~ ( in @ SY352 @ SV42 ) )
                        | ( in @ SY458 @ SV89 ) ) )
            | ( SV89
              = ( union @ SV42 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[552]) ).

thf(617,plain,
    ! [SV90: $i,SV43: $i,SV116: $i] :
      ( ( ~ ( relation @ SV116 )
        | ~ ( ~ ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
                | ~ ( ~ ( in @ SV43 @ SV90 )
                    | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                      | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
                | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[553]) ).

thf(618,plain,
    ! [SV91: $i,SV44: $i] :
      ( ( ~ ( ~ ( disjoint @ ( singleton @ SV44 ) @ SV91 )
            | ~ ( in @ SV44 @ SV91 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[554]) ).

thf(619,plain,
    ! [SV92: $i,SV45: $i] :
      ( ( ( ~ ( in @ SV45 @ SV92 ) )
        = $true )
      | ( ( subset @ SV45 @ ( union @ SV92 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[555]) ).

thf(620,plain,
    ! [SV46: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
                          | ~ ! [SY496: $i,SY497: $i] :
                                ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                                      | ~ ( subset @ SY497 @ SY496 ) )
                                | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
                    | ~ ! [SY498: $i] :
                          ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                              | ~ ! [SY499: $i] :
                                    ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                                        | ~ ! [SX4: $i] :
                                              ( ~ ( subset @ SX4 @ SY498 )
                                              | ( in @ SX4 @ SY499 ) ) ) ) )
              | ~ ! [SY501: $i] :
                    ~ ~ ( ~ ~ ( ~ ( subset @ SY501 @ ( sK4_SY357 @ SV46 ) )
                              | ~ ~ ( are_equipotent @ SY501 @ ( sK4_SY357 @ SV46 ) ) )
                        | ~ ~ ( in @ SY501 @ ( sK4_SY357 @ SV46 ) ) ) ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[556]) ).

thf(621,plain,
    ! [SV47: $i] :
      ( ( ( relation @ SV47 )
        = $false )
      | ( ( ! [SY364: $i] :
              ~ ( ~ ( ( SY364
                     != ( relation_dom @ SV47 ) )
                    | ! [SY365: $i] :
                        ~ ( ~ ( ~ ( in @ SY365 @ SY364 )
                              | ~ ! [SY366: $i] :
                                    ~ ( in @ ( ordered_pair @ SY365 @ SY366 ) @ SV47 ) )
                          | ~ ( ~ ~ ! [SY367: $i] :
                                      ~ ( in @ ( ordered_pair @ SY365 @ SY367 ) @ SV47 )
                              | ( in @ SY365 @ SY364 ) ) ) )
                | ~ ( ~ ! [SY368: $i] :
                          ~ ( ~ ( ~ ( in @ SY368 @ SY364 )
                                | ~ ! [SY369: $i] :
                                      ~ ( in @ ( ordered_pair @ SY368 @ SY369 ) @ SV47 ) )
                            | ~ ( ~ ~ ! [SY370: $i] :
                                        ~ ( in @ ( ordered_pair @ SY368 @ SY370 ) @ SV47 )
                                | ( in @ SY368 @ SY364 ) ) )
                    | ( SY364
                      = ( relation_dom @ SV47 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[557]) ).

thf(622,plain,
    ! [SV93: $i,SV48: $i] :
      ( ( ( ~ ! [SY462: $i] :
                ( ~ ( in @ SY462 @ SV48 )
                | ( in @ SY462 @ SV93 ) ) )
        = $true )
      | ( ( element @ SV48 @ ( powerset @ SV93 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[558]) ).

thf(623,plain,
    ! [SV49: $i] :
      ( ( ( relation @ SV49 )
        = $false )
      | ( ( ! [SY373: $i] :
              ( ~ ( relation @ SY373 )
              | ~ ( ~ ( ( SY373
                       != ( relation_inverse @ SV49 ) )
                      | ! [SY374: $i,SY375: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY374 @ SY375 ) @ SY373 )
                                | ( in @ ( ordered_pair @ SY375 @ SY374 ) @ SV49 ) )
                            | ~ ( ~ ( in @ ( ordered_pair @ SY375 @ SY374 ) @ SV49 )
                                | ( in @ ( ordered_pair @ SY374 @ SY375 ) @ SY373 ) ) ) )
                  | ~ ( ~ ! [SY376: $i,SY377: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY376 @ SY377 ) @ SY373 )
                                  | ( in @ ( ordered_pair @ SY377 @ SY376 ) @ SV49 ) )
                              | ~ ( ~ ( in @ ( ordered_pair @ SY377 @ SY376 ) @ SV49 )
                                  | ( in @ ( ordered_pair @ SY376 @ SY377 ) @ SY373 ) ) )
                      | ( SY373
                        = ( relation_inverse @ SV49 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[559]) ).

thf(624,plain,
    ! [SV94: $i,SV50: $i] :
      ( ( ~ ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
             != SV50 )
            | ~ ( in @ SV94 @ SV50 ) )
        | ~ ( ~ ~ ( in @ SV94 @ SV50 )
            | ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
              = SV50 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[560]) ).

thf(625,plain,
    ! [SV95: $i,SV51: $i] :
      ( ( ( ~ ( in @ SV51 @ SV95 ) )
        = $true )
      | ( ( subset @ SV51 @ ( union @ SV95 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[561]) ).

thf(626,plain,
    ! [SV96: $i,SV52: $i] :
      ( ( ( ~ ( in @ SV52 @ SV96 ) )
        = $true )
      | ( ( element @ SV52 @ SV96 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[562]) ).

thf(627,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ~ ( ~ ( subset @ SV53 @ SV97 )
            | ! [SY463: $i] :
                ( ~ ( in @ SY463 @ SV53 )
                | ( in @ SY463 @ SV97 ) ) )
        | ~ ( ~ ! [SY464: $i] :
                  ( ~ ( in @ SY464 @ SV53 )
                  | ( in @ SY464 @ SV97 ) )
            | ( subset @ SV53 @ SV97 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[563]) ).

thf(628,plain,
    ! [SV98: $i,SV54: $i,SV117: $i] :
      ( ( ~ ( element @ SV117 @ ( powerset @ SV54 ) )
        | ~ ~ ( ~ ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) )
              | ~ ( in @ SV98 @ SV117 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[564]) ).

thf(629,plain,
    ! [SV55: $i,SV99: $i] :
      ( ( ( ~ ( element @ SV99 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( ! [SY466: $i] :
              ( ~ ( in @ SY466 @ SV99 )
              | ( in @ SY466 @ SV55 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[565]) ).

thf(630,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ~ ( ~ ( ( SV118
                 != ( unordered_pair @ SV56 @ SV100 ) )
                | ! [SY502: $i] :
                    ~ ( ~ ( ~ ( in @ SY502 @ SV118 )
                          | ( SY502 = SV56 )
                          | ( SY502 = SV100 ) )
                      | ~ ( ~ ( ( SY502 = SV56 )
                              | ( SY502 = SV100 ) )
                          | ( in @ SY502 @ SV118 ) ) ) )
            | ~ ( ~ ! [SY503: $i] :
                      ~ ( ~ ( ~ ( in @ SY503 @ SV118 )
                            | ( SY503 = SV56 )
                            | ( SY503 = SV100 ) )
                        | ~ ( ~ ( ( SY503 = SV56 )
                                | ( SY503 = SV100 ) )
                            | ( in @ SY503 @ SV118 ) ) )
                | ( SV118
                  = ( unordered_pair @ SV56 @ SV100 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[566]) ).

thf(631,plain,
    ! [SV101: $i,SV57: $i] :
      ( ( ( ~ ( in @ SV57 @ SV101 ) )
        = $true )
      | ( ( ( set_union2 @ ( singleton @ SV57 ) @ SV101 )
          = SV101 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[567]) ).

thf(632,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ~ ( ~ ( ( SV119
                 != ( set_difference @ SV58 @ SV102 ) )
                | ! [SY504: $i] :
                    ~ ( ~ ( ~ ( in @ SY504 @ SV119 )
                          | ~ ( ~ ( in @ SY504 @ SV58 )
                              | ~ ~ ( in @ SY504 @ SV102 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY504 @ SV58 )
                                | ~ ~ ( in @ SY504 @ SV102 ) )
                          | ( in @ SY504 @ SV119 ) ) ) )
            | ~ ( ~ ! [SY505: $i] :
                      ~ ( ~ ( ~ ( in @ SY505 @ SV119 )
                            | ~ ( ~ ( in @ SY505 @ SV58 )
                                | ~ ~ ( in @ SY505 @ SV102 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY505 @ SV58 )
                                  | ~ ~ ( in @ SY505 @ SV102 ) )
                            | ( in @ SY505 @ SV119 ) ) )
                | ( SV119
                  = ( set_difference @ SV58 @ SV102 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[568]) ).

thf(633,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV59 @ SV103 )
                    | ~ ( element @ SV103 @ ( powerset @ SV120 ) ) )
              | ~ ( empty @ SV120 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[569]) ).

thf(634,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ~ ( ~ ( ( SV121
                 != ( set_intersection2 @ SV60 @ SV104 ) )
                | ! [SY506: $i] :
                    ~ ( ~ ( ~ ( in @ SY506 @ SV121 )
                          | ~ ( ~ ( in @ SY506 @ SV60 )
                              | ~ ( in @ SY506 @ SV104 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY506 @ SV60 )
                                | ~ ( in @ SY506 @ SV104 ) )
                          | ( in @ SY506 @ SV121 ) ) ) )
            | ~ ( ~ ! [SY507: $i] :
                      ~ ( ~ ( ~ ( in @ SY507 @ SV121 )
                            | ~ ( ~ ( in @ SY507 @ SV60 )
                                | ~ ( in @ SY507 @ SV104 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY507 @ SV60 )
                                  | ~ ( in @ SY507 @ SV104 ) )
                            | ( in @ SY507 @ SV121 ) ) )
                | ( SV121
                  = ( set_intersection2 @ SV60 @ SV104 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[570]) ).

thf(635,plain,
    ! [SV105: $i,SV61: $i] :
      ( ( ~ ( ~ ( in @ SV61 @ SV105 )
            | ~ ( empty @ SV105 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[571]) ).

thf(636,plain,
    ! [SV62: $i,SV2: $i] :
      ( ( ( in @ SV2 @ SV62 )
        = $false )
      | ( ( ~ ( in @ SV62 @ SV2 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[572]) ).

thf(637,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ~ ~ ( ~ ~ ( disjoint @ SV3 @ SV63 )
                | ~ ! [SY404: $i] :
                      ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[573]) ).

thf(638,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ~ ~ ( ~ ~ ! [SY405: $i] :
                        ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) )
                | ~ ( disjoint @ SV3 @ SV63 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[573]) ).

thf(639,plain,
    ! [SV64: $i,SV4: $i] :
      ( ( ( ~ ( in @ SV4 @ SV64 ) )
        = $false )
      | ( ( disjoint @ ( singleton @ SV4 ) @ SV64 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[574]) ).

thf(640,plain,
    ! [SV65: $i,SV5: $i] :
      ( ( ( ! [SY406: $i] :
              ~ ( ~ ( ~ ( in @ SY406 @ SV5 )
                    | ( in @ SY406 @ SV65 ) )
                | ~ ( ~ ( in @ SY406 @ SV65 )
                    | ( in @ SY406 @ SV5 ) ) ) )
        = $false )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[575]) ).

thf(641,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( ~ ( relation @ SV66 )
              | ~ ( function @ SV66 ) ) )
        = $false )
      | ( ( ~ ( ~ ( ( SV66
                   != ( identity_relation @ SV6 ) )
                  | ~ ( ( ( relation_dom @ SV66 )
                       != SV6 )
                      | ~ ! [SY407: $i] :
                            ( ~ ( in @ SY407 @ SV6 )
                            | ( ( apply @ SV66 @ SY407 )
                              = SY407 ) ) ) )
              | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                         != SV6 )
                        | ~ ! [SY408: $i] :
                              ( ~ ( in @ SY408 @ SV6 )
                              | ( ( apply @ SV66 @ SY408 )
                                = SY408 ) ) )
                  | ( SV66
                    = ( identity_relation @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[576]) ).

thf(642,plain,
    ! [SV122: $i,SV106: $i,SV67: $i,SV7: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
                | ~ ( ~ ( in @ SV7 @ SV106 )
                    | ~ ( in @ SV67 @ SV122 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SV7 @ SV106 )
                      | ~ ( in @ SV67 @ SV122 ) )
                | ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[577]) ).

thf(643,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( relation @ SV123 )
          | ~ ( ~ ( ( SV8 != SV123 )
                  | ! [SY508: $i,SY509: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                            | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                            | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) )
              | ~ ( ~ ! [SY510: $i,SY511: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                              | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                              | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) )
                  | ( SV8 = SV123 ) ) ) )
        = $true )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[578]) ).

thf(644,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ~ ( ~ ( subset @ ( singleton @ SV9 ) @ SV68 )
            | ( in @ SV9 @ SV68 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[579]) ).

thf(645,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ~ ( ~ ( in @ SV9 @ SV68 )
            | ( subset @ ( singleton @ SV9 ) @ SV68 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[579]) ).

thf(646,plain,
    ! [SV10: $i,SV124: $i] :
      ( ( ( ~ ( relation @ SV124 )
          | ! [SY512: $i] :
              ( ~ ( relation @ SY512 )
              | ~ ( ~ ( ( SY512
                       != ( relation_composition @ SV10 @ SV124 ) )
                      | ! [SY513: $i,SY514: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY514 ) @ SY512 )
                                | ~ ! [SY515: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY515 ) @ SV10 )
                                          | ~ ( in @ ( ordered_pair @ SY515 @ SY514 ) @ SV124 ) ) )
                            | ~ ( ~ ~ ! [SY516: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY516 ) @ SV10 )
                                            | ~ ( in @ ( ordered_pair @ SY516 @ SY514 ) @ SV124 ) )
                                | ( in @ ( ordered_pair @ SY513 @ SY514 ) @ SY512 ) ) ) )
                  | ~ ( ~ ! [SY517: $i,SY518: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY518 ) @ SY512 )
                                  | ~ ! [SY519: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY519 ) @ SV10 )
                                            | ~ ( in @ ( ordered_pair @ SY519 @ SY518 ) @ SV124 ) ) )
                              | ~ ( ~ ~ ! [SY520: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY520 ) @ SV10 )
                                              | ~ ( in @ ( ordered_pair @ SY520 @ SY518 ) @ SV124 ) )
                                  | ( in @ ( ordered_pair @ SY517 @ SY518 ) @ SY512 ) ) )
                      | ( SY512
                        = ( relation_composition @ SV10 @ SV124 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[580]) ).

thf(647,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ~ ( ( SV107
             != ( cartesian_product2 @ SV11 @ SV69 ) )
            | ! [SY478: $i] :
                ~ ( ~ ( ~ ( in @ SY478 @ SV107 )
                      | ~ ! [SY413: $i] :
                            ~ ~ ! [SY414: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY413 @ SV11 )
                                            | ~ ( in @ SY414 @ SV69 ) )
                                      | ( SY478
                                       != ( ordered_pair @ SY413 @ SY414 ) ) ) )
                  | ~ ( ~ ~ ! [SY415: $i] :
                              ~ ~ ! [SY416: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY415 @ SV11 )
                                              | ~ ( in @ SY416 @ SV69 ) )
                                        | ( SY478
                                         != ( ordered_pair @ SY415 @ SY416 ) ) )
                      | ( in @ SY478 @ SV107 ) ) ) )
        | ~ ( ~ ! [SY483: $i] :
                  ~ ( ~ ( ~ ( in @ SY483 @ SV107 )
                        | ~ ! [SY418: $i] :
                              ~ ~ ! [SY419: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY418 @ SV11 )
                                              | ~ ( in @ SY419 @ SV69 ) )
                                        | ( SY483
                                         != ( ordered_pair @ SY418 @ SY419 ) ) ) )
                    | ~ ( ~ ~ ! [SY420: $i] :
                                ~ ~ ! [SY421: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY420 @ SV11 )
                                                | ~ ( in @ SY421 @ SV69 ) )
                                          | ( SY483
                                           != ( ordered_pair @ SY420 @ SY421 ) ) )
                        | ( in @ SY483 @ SV107 ) ) )
            | ( SV107
              = ( cartesian_product2 @ SV11 @ SV69 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[581]) ).

thf(648,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( relation @ SV70 )
        = $false )
      | ( ( ~ ( ~ ( ( SV70
                   != ( identity_relation @ SV12 ) )
                  | ! [SY422: $i,SY423: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                            | ~ ( ~ ( in @ SY422 @ SV12 )
                                | ( SY422 != SY423 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                                  | ( SY422 != SY423 ) )
                            | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) )
              | ~ ( ~ ! [SY424: $i,SY425: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                              | ~ ( ~ ( in @ SY424 @ SV12 )
                                  | ( SY424 != SY425 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                                    | ( SY424 != SY425 ) )
                              | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) )
                  | ( SV70
                    = ( identity_relation @ SV12 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[582]) ).

thf(649,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ~ ( ( SV71
             != ( powerset @ SV13 ) )
            | ! [SY426: $i] :
                ~ ( ~ ( ~ ( in @ SY426 @ SV71 )
                      | ( subset @ SY426 @ SV13 ) )
                  | ~ ( ~ ( subset @ SY426 @ SV13 )
                      | ( in @ SY426 @ SV71 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[583]) ).

thf(650,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ~ ( ~ ! [SY427: $i] :
                  ~ ( ~ ( ~ ( in @ SY427 @ SV71 )
                        | ( subset @ SY427 @ SV13 ) )
                    | ~ ( ~ ( subset @ SY427 @ SV13 )
                        | ( in @ SY427 @ SV71 ) ) )
            | ( SV71
              = ( powerset @ SV13 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[583]) ).

thf(651,plain,
    ! [SV125: $i,SV14: $i] :
      ( ( ( ! [SY521: $i] :
              ~ ( ~ ( ( SY521
                     != ( relation_inverse_image @ SV14 @ SV125 ) )
                    | ! [SY522: $i] :
                        ~ ( ~ ( ~ ( in @ SY522 @ SY521 )
                              | ~ ! [SY523: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY522 @ SY523 ) @ SV14 )
                                        | ~ ( in @ SY523 @ SV125 ) ) )
                          | ~ ( ~ ~ ! [SY524: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY522 @ SY524 ) @ SV14 )
                                          | ~ ( in @ SY524 @ SV125 ) )
                              | ( in @ SY522 @ SY521 ) ) ) )
                | ~ ( ~ ! [SY525: $i] :
                          ~ ( ~ ( ~ ( in @ SY525 @ SY521 )
                                | ~ ! [SY526: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY525 @ SY526 ) @ SV14 )
                                          | ~ ( in @ SY526 @ SV125 ) ) )
                            | ~ ( ~ ~ ! [SY527: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY525 @ SY527 ) @ SV14 )
                                            | ~ ( in @ SY527 @ SV125 ) )
                                | ( in @ SY525 @ SY521 ) ) )
                    | ( SY521
                      = ( relation_inverse_image @ SV14 @ SV125 ) ) ) ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[584]) ).

thf(652,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ~ ( ~ ( ( SV126
                   != ( relation_rng @ SV15 ) )
                  | ! [SY528: $i] :
                      ~ ( ~ ( ~ ( in @ SY528 @ SV126 )
                            | ~ ! [SY263: $i] :
                                  ~ ( in @ ( ordered_pair @ SY263 @ SY528 ) @ SV15 ) )
                        | ~ ( ~ ~ ! [SY264: $i] :
                                    ~ ( in @ ( ordered_pair @ SY264 @ SY528 ) @ SV15 )
                            | ( in @ SY528 @ SV126 ) ) ) )
              | ~ ( ~ ! [SY531: $i] :
                        ~ ( ~ ( ~ ( in @ SY531 @ SV126 )
                              | ~ ! [SY266: $i] :
                                    ~ ( in @ ( ordered_pair @ SY266 @ SY531 ) @ SV15 ) )
                          | ~ ( ~ ~ ! [SY267: $i] :
                                      ~ ( in @ ( ordered_pair @ SY267 @ SY531 ) @ SV15 )
                              | ( in @ SY531 @ SV126 ) ) )
                  | ( SV126
                    = ( relation_rng @ SV15 ) ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[585]) ).

thf(653,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( ~ ( relation @ SV127 )
          | ~ ( ~ ( ~ ( subset @ SV16 @ SV127 )
                  | ! [SY534: $i,SY535: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
                      | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) )
              | ~ ( ~ ! [SY536: $i,SY537: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
                        | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) )
                  | ( subset @ SV16 @ SV127 ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[586]) ).

thf(654,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ~ ( ( SV108
             != ( set_union2 @ SV17 @ SV72 ) )
            | ! [SY488: $i] :
                ~ ( ~ ( ~ ( in @ SY488 @ SV108 )
                      | ( in @ SY488 @ SV17 )
                      | ( in @ SY488 @ SV72 ) )
                  | ~ ( ~ ( ( in @ SY488 @ SV17 )
                          | ( in @ SY488 @ SV72 ) )
                      | ( in @ SY488 @ SV108 ) ) ) )
        | ~ ( ~ ! [SY489: $i] :
                  ~ ( ~ ( ~ ( in @ SY489 @ SV108 )
                        | ( in @ SY489 @ SV17 )
                        | ( in @ SY489 @ SV72 ) )
                    | ~ ( ~ ( ( in @ SY489 @ SV17 )
                            | ( in @ SY489 @ SV72 ) )
                        | ( in @ SY489 @ SV108 ) ) )
            | ( SV108
              = ( set_union2 @ SV17 @ SV72 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[587]) ).

thf(655,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY277: $i,SY278: $i] :
                ~ ( in @ ( ordered_pair @ SY277 @ SY278 ) @ SV18 ) )
        = $true )
      | ( ( SV18 = empty_set )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[588]) ).

thf(656,plain,
    ! [SV73: $i,SV19: $i] :
      ( ( ( in @ SV19 @ SV73 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV19 ) @ SV73 )
          = SV73 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[589]) ).

thf(657,plain,
    ! [SV128: $i,SV20: $i] :
      ( ( ( ! [SY538: $i] :
              ( ~ ( relation @ SY538 )
              | ~ ( ~ ( ( SY538
                       != ( relation_dom_restriction @ SV20 @ SV128 ) )
                      | ! [SY539: $i,SY540: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY539 @ SY540 ) @ SY538 )
                                | ~ ( ~ ( in @ SY539 @ SV128 )
                                    | ~ ( in @ ( ordered_pair @ SY539 @ SY540 ) @ SV20 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY539 @ SV128 )
                                      | ~ ( in @ ( ordered_pair @ SY539 @ SY540 ) @ SV20 ) )
                                | ( in @ ( ordered_pair @ SY539 @ SY540 ) @ SY538 ) ) ) )
                  | ~ ( ~ ! [SY541: $i,SY542: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY541 @ SY542 ) @ SY538 )
                                  | ~ ( ~ ( in @ SY541 @ SV128 )
                                      | ~ ( in @ ( ordered_pair @ SY541 @ SY542 ) @ SV20 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SY541 @ SV128 )
                                        | ~ ( in @ ( ordered_pair @ SY541 @ SY542 ) @ SV20 ) )
                                  | ( in @ ( ordered_pair @ SY541 @ SY542 ) @ SY538 ) ) )
                      | ( SY538
                        = ( relation_dom_restriction @ SV20 @ SV128 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[590]) ).

thf(658,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ~ ~ ( ~ ~ ( disjoint @ SV21 @ SV74 )
                | ~ ! [SY431: $i] :
                      ~ ~ ( ~ ( in @ SY431 @ SV21 )
                          | ~ ( in @ SY431 @ SV74 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[591]) ).

thf(659,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ~ ~ ( ~ ~ ! [SY432: $i] :
                        ~ ~ ( ~ ( in @ SY432 @ SV21 )
                            | ~ ( in @ SY432 @ SV74 ) )
                | ~ ( disjoint @ SV21 @ SV74 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[591]) ).

thf(660,plain,
    ! [SV75: $i,SV22: $i,SV109: $i] :
      ( ( ( ~ ( relation @ SV109 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
                  | ~ ( ~ ( in @ SV22 @ SV75 )
                      | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                        | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
                  | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[592]) ).

thf(661,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
                        | ~ ! [SY490: $i,SY491: $i] :
                              ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                                    | ~ ( subset @ SY491 @ SY490 ) )
                              | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
                  | ~ ! [SY492: $i] :
                        ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
                        | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) )
            | ~ ! [SY493: $i] :
                  ~ ~ ( ~ ~ ( ~ ( subset @ SY493 @ ( sK3_SY291 @ SV23 ) )
                            | ~ ~ ( are_equipotent @ SY493 @ ( sK3_SY291 @ SV23 ) ) )
                      | ~ ~ ( in @ SY493 @ ( sK3_SY291 @ SV23 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[593]) ).

thf(662,plain,
    ! [SV76: $i,SV24: $i] :
      ( ( ( element @ SV24 @ SV76 )
        = $false )
      | ( ( ( empty @ SV76 )
          | ( in @ SV24 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[594]) ).

thf(663,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( ~ ( subset @ ( singleton @ SV25 ) @ SV77 )
            | ( in @ SV25 @ SV77 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[595]) ).

thf(664,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( ~ ( in @ SV25 @ SV77 )
            | ( subset @ ( singleton @ SV25 ) @ SV77 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[595]) ).

thf(665,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ~ ( ~ ( ( SV26 != empty_set ) )
            | ~ ( ~ ( ( SV78
                     != ( set_meet @ SV26 ) )
                    | ! [SY434: $i] :
                        ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                              | ! [SY300: $i] :
                                  ( ~ ( in @ SY300 @ SV26 )
                                  | ( in @ SY434 @ SY300 ) ) )
                          | ~ ( ~ ! [SY301: $i] :
                                    ( ~ ( in @ SY301 @ SV26 )
                                    | ( in @ SY434 @ SY301 ) )
                              | ( in @ SY434 @ SV78 ) ) ) )
                | ~ ( ~ ! [SY437: $i] :
                          ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                                | ! [SY303: $i] :
                                    ( ~ ( in @ SY303 @ SV26 )
                                    | ( in @ SY437 @ SY303 ) ) )
                            | ~ ( ~ ! [SY304: $i] :
                                      ( ~ ( in @ SY304 @ SV26 )
                                      | ( in @ SY437 @ SY304 ) )
                                | ( in @ SY437 @ SV78 ) ) )
                    | ( SV78
                      = ( set_meet @ SV26 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[596]) ).

thf(666,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ~ ( ( SV26 != empty_set )
            | ~ ( ~ ( ( SV78
                     != ( set_meet @ SV26 ) )
                    | ( SV78 = empty_set ) )
                | ~ ( ( SV78 != empty_set )
                    | ( SV78
                      = ( set_meet @ SV26 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[596]) ).

thf(667,plain,
    ! [SV110: $i,SV79: $i,SV27: $i,SV129: $i] :
      ( ( ~ ( relation @ SV129 )
        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
                | ~ ( ~ ( in @ SV27 @ SV110 )
                    | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                      | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
                | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[597]) ).

thf(668,plain,
    ! [SV28: $i,SV80: $i] :
      ( ( ( relation @ SV80 )
        = $false )
      | ( ( ( relation_dom_restriction @ SV80 @ SV28 )
          = ( relation_composition @ ( identity_relation @ SV28 ) @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[598]) ).

thf(669,plain,
    ! [SV130: $i,SV111: $i,SV81: $i,SV29: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
                | ~ ( ~ ( in @ SV29 @ SV111 )
                    | ~ ( in @ SV81 @ SV130 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SV29 @ SV111 )
                      | ~ ( in @ SV81 @ SV130 ) )
                | ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[599]) ).

thf(670,plain,
    ! [SV131: $i,SV30: $i] :
      ( ( ( ! [SY543: $i] :
              ~ ( ~ ( ( SY543
                     != ( relation_image @ SV30 @ SV131 ) )
                    | ! [SY544: $i] :
                        ~ ( ~ ( ~ ( in @ SY544 @ SY543 )
                              | ~ ! [SY545: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY545 @ SY544 ) @ SV30 )
                                        | ~ ( in @ SY545 @ SV131 ) ) )
                          | ~ ( ~ ~ ! [SY546: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY546 @ SY544 ) @ SV30 )
                                          | ~ ( in @ SY546 @ SV131 ) )
                              | ( in @ SY544 @ SY543 ) ) ) )
                | ~ ( ~ ! [SY547: $i] :
                          ~ ( ~ ( ~ ( in @ SY547 @ SY543 )
                                | ~ ! [SY548: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY548 @ SY547 ) @ SV30 )
                                          | ~ ( in @ SY548 @ SV131 ) ) )
                            | ~ ( ~ ~ ! [SY549: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY549 @ SY547 ) @ SV30 )
                                            | ~ ( in @ SY549 @ SV131 ) )
                                | ( in @ SY547 @ SY543 ) ) )
                    | ( SY543
                      = ( relation_image @ SV30 @ SV131 ) ) ) ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[600]) ).

thf(671,plain,
    ! [SV112: $i,SV82: $i,SV31: $i] :
      ( ( ~ ( ~ ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
            | ~ ( ~ ( in @ SV31 @ SV112 )
                | ~ ( in @ SV82 @ SV112 ) ) )
        | ~ ( ~ ~ ( ~ ( in @ SV31 @ SV112 )
                  | ~ ( in @ SV82 @ SV112 ) )
            | ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[601]) ).

thf(672,plain,
    ! [SV32: $i] :
      ( ( relation @ ( identity_relation @ SV32 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[602]) ).

thf(673,plain,
    ! [SV32: $i] :
      ( ( function @ ( identity_relation @ SV32 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[603]) ).

thf(674,plain,
    ! [SV113: $i,SV83: $i,SV33: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV33 @ SV83 )
                | ~ ( element @ SV83 @ ( powerset @ SV113 ) ) ) )
        = $true )
      | ( ( element @ SV33 @ SV113 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[604]) ).

thf(675,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ~ ( ~ ~ ( empty @ SV34 )
            | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                    | ( in @ SV84 @ SV34 ) )
                | ~ ( ~ ( in @ SV84 @ SV34 )
                    | ( element @ SV84 @ SV34 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[605]) ).

thf(676,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ~ ( ~ ( empty @ SV34 )
            | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                    | ( empty @ SV84 ) )
                | ~ ( ~ ( empty @ SV84 )
                    | ( element @ SV84 @ SV34 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[605]) ).

thf(677,plain,
    ! [SV35: $i] :
      ( ( ~ ( relation @ SV35 )
        | ! [SY325: $i] :
            ~ ~ ( ~ ( in @ SY325 @ SV35 )
                | ~ ! [SX2: $i,SX3: $i] :
                      ( SY325
                     != ( ordered_pair @ SX2 @ SX3 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[606]) ).

thf(678,plain,
    ! [SV35: $i] :
      ( ( ~ ! [SY328: $i] :
              ~ ~ ( ~ ( in @ SY328 @ SV35 )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( SY328
                       != ( ordered_pair @ SX2 @ SX3 ) ) )
        | ( relation @ SV35 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[607]) ).

thf(679,plain,
    ! [SV114: $i,SV85: $i,SV36: $i] :
      ( ( ( ~ ( subset @ SV36 @ SV85 ) )
        = $true )
      | ( ( ( in @ SV114 @ SV36 )
          | ( subset @ SV36 @ ( set_difference @ SV85 @ ( singleton @ SV114 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[608]) ).

thf(680,plain,
    ! [SV86: $i,SV37: $i,SV115: $i] :
      ( ( ( ~ ( relation @ SV115 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
          | ~ ( ~ ( in @ SV37 @ ( relation_field @ SV115 ) )
              | ~ ( in @ SV86 @ ( relation_field @ SV115 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[609]) ).

thf(681,plain,
    ! [SV38: $i] :
      ( ( ( SV38 != empty_set )
        | ! [SY335: $i] :
            ~ ( in @ SY335 @ SV38 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[610]) ).

thf(682,plain,
    ! [SV38: $i] :
      ( ( ~ ! [SY336: $i] :
              ~ ( in @ SY336 @ SV38 )
        | ( SV38 = empty_set ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[611]) ).

thf(683,plain,
    ! [SV39: $i,SV87: $i] :
      ( ( ( relation @ SV87 )
        = $false )
      | ( ( ! [SY448: $i] :
              ( ~ ( relation @ SY448 )
              | ~ ( ~ ( ( SY448
                       != ( relation_rng_restriction @ SV39 @ SV87 ) )
                      | ! [SY449: $i,SY450: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SY448 )
                                | ~ ( ~ ( in @ SY450 @ SV39 )
                                    | ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SV87 ) ) )
                            | ~ ( ~ ~ ( ~ ( in @ SY450 @ SV39 )
                                      | ~ ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SV87 ) )
                                | ( in @ ( ordered_pair @ SY449 @ SY450 ) @ SY448 ) ) ) )
                  | ~ ( ~ ! [SY451: $i,SY452: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SY448 )
                                  | ~ ( ~ ( in @ SY452 @ SV39 )
                                      | ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SV87 ) ) )
                              | ~ ( ~ ~ ( ~ ( in @ SY452 @ SV39 )
                                        | ~ ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SV87 ) )
                                  | ( in @ ( ordered_pair @ SY451 @ SY452 ) @ SY448 ) ) )
                      | ( SY448
                        = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[612]) ).

thf(684,plain,
    ! [SV40: $i] :
      ( ( ( relation_dom @ ( identity_relation @ SV40 ) )
        = SV40 )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[613]) ).

thf(685,plain,
    ! [SV40: $i] :
      ( ( ( relation_rng @ ( identity_relation @ SV40 ) )
        = SV40 )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[614]) ).

thf(686,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ~ ( ( SV88
             != ( singleton @ SV41 ) )
            | ! [SY453: $i] :
                ~ ( ~ ( ~ ( in @ SY453 @ SV88 )
                      | ( SY453 = SV41 ) )
                  | ~ ( ( SY453 != SV41 )
                      | ( in @ SY453 @ SV88 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[615]) ).

thf(687,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ~ ( ~ ! [SY454: $i] :
                  ~ ( ~ ( ~ ( in @ SY454 @ SV88 )
                        | ( SY454 = SV41 ) )
                    | ~ ( ( SY454 != SV41 )
                        | ( in @ SY454 @ SV88 ) ) )
            | ( SV88
              = ( singleton @ SV41 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[615]) ).

thf(688,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ~ ( ( SV89
             != ( union @ SV42 ) )
            | ! [SY455: $i] :
                ~ ( ~ ( ~ ( in @ SY455 @ SV89 )
                      | ~ ! [SY348: $i] :
                            ~ ~ ( ~ ( in @ SY455 @ SY348 )
                                | ~ ( in @ SY348 @ SV42 ) ) )
                  | ~ ( ~ ~ ! [SY349: $i] :
                              ~ ~ ( ~ ( in @ SY455 @ SY349 )
                                  | ~ ( in @ SY349 @ SV42 ) )
                      | ( in @ SY455 @ SV89 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[616]) ).

thf(689,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ~ ( ~ ! [SY458: $i] :
                  ~ ( ~ ( ~ ( in @ SY458 @ SV89 )
                        | ~ ! [SY351: $i] :
                              ~ ~ ( ~ ( in @ SY458 @ SY351 )
                                  | ~ ( in @ SY351 @ SV42 ) ) )
                    | ~ ( ~ ~ ! [SY352: $i] :
                                ~ ~ ( ~ ( in @ SY458 @ SY352 )
                                    | ~ ( in @ SY352 @ SV42 ) )
                        | ( in @ SY458 @ SV89 ) ) )
            | ( SV89
              = ( union @ SV42 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[616]) ).

thf(690,plain,
    ! [SV90: $i,SV43: $i,SV116: $i] :
      ( ( ( ~ ( relation @ SV116 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
                  | ~ ( ~ ( in @ SV43 @ SV90 )
                      | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                        | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
                  | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[617]) ).

thf(691,plain,
    ! [SV91: $i,SV44: $i] :
      ( ( ~ ( disjoint @ ( singleton @ SV44 ) @ SV91 )
        | ~ ( in @ SV44 @ SV91 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[618]) ).

thf(692,plain,
    ! [SV92: $i,SV45: $i] :
      ( ( ( in @ SV45 @ SV92 )
        = $false )
      | ( ( subset @ SV45 @ ( union @ SV92 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[619]) ).

thf(693,plain,
    ! [SV46: $i] :
      ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
                        | ~ ! [SY496: $i,SY497: $i] :
                              ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                                    | ~ ( subset @ SY497 @ SY496 ) )
                              | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
                  | ~ ! [SY498: $i] :
                        ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                            | ~ ! [SY499: $i] :
                                  ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                                      | ~ ! [SX4: $i] :
                                            ( ~ ( subset @ SX4 @ SY498 )
                                            | ( in @ SX4 @ SY499 ) ) ) ) )
            | ~ ! [SY501: $i] :
                  ~ ~ ( ~ ~ ( ~ ( subset @ SY501 @ ( sK4_SY357 @ SV46 ) )
                            | ~ ~ ( are_equipotent @ SY501 @ ( sK4_SY357 @ SV46 ) ) )
                      | ~ ~ ( in @ SY501 @ ( sK4_SY357 @ SV46 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[620]) ).

thf(694,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ~ ( ~ ( ( SV132
                   != ( relation_dom @ SV47 ) )
                  | ! [SY550: $i] :
                      ~ ( ~ ( ~ ( in @ SY550 @ SV132 )
                            | ~ ! [SY366: $i] :
                                  ~ ( in @ ( ordered_pair @ SY550 @ SY366 ) @ SV47 ) )
                        | ~ ( ~ ~ ! [SY367: $i] :
                                    ~ ( in @ ( ordered_pair @ SY550 @ SY367 ) @ SV47 )
                            | ( in @ SY550 @ SV132 ) ) ) )
              | ~ ( ~ ! [SY553: $i] :
                        ~ ( ~ ( ~ ( in @ SY553 @ SV132 )
                              | ~ ! [SY369: $i] :
                                    ~ ( in @ ( ordered_pair @ SY553 @ SY369 ) @ SV47 ) )
                          | ~ ( ~ ~ ! [SY370: $i] :
                                      ~ ( in @ ( ordered_pair @ SY553 @ SY370 ) @ SV47 )
                              | ( in @ SY553 @ SV132 ) ) )
                  | ( SV132
                    = ( relation_dom @ SV47 ) ) ) ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[621]) ).

thf(695,plain,
    ! [SV93: $i,SV48: $i] :
      ( ( ( ! [SY462: $i] :
              ( ~ ( in @ SY462 @ SV48 )
              | ( in @ SY462 @ SV93 ) ) )
        = $false )
      | ( ( element @ SV48 @ ( powerset @ SV93 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[622]) ).

thf(696,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( relation @ SV133 )
          | ~ ( ~ ( ( SV133
                   != ( relation_inverse @ SV49 ) )
                  | ! [SY556: $i,SY557: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                            | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                            | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) )
              | ~ ( ~ ! [SY558: $i,SY559: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                              | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                              | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) )
                  | ( SV133
                    = ( relation_inverse @ SV49 ) ) ) ) )
        = $true )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[623]) ).

thf(697,plain,
    ! [SV94: $i,SV50: $i] :
      ( ( ~ ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
             != SV50 )
            | ~ ( in @ SV94 @ SV50 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[624]) ).

thf(698,plain,
    ! [SV50: $i,SV94: $i] :
      ( ( ~ ( ~ ~ ( in @ SV94 @ SV50 )
            | ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
              = SV50 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[624]) ).

thf(699,plain,
    ! [SV95: $i,SV51: $i] :
      ( ( ( in @ SV51 @ SV95 )
        = $false )
      | ( ( subset @ SV51 @ ( union @ SV95 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[625]) ).

thf(700,plain,
    ! [SV96: $i,SV52: $i] :
      ( ( ( in @ SV52 @ SV96 )
        = $false )
      | ( ( element @ SV52 @ SV96 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[626]) ).

thf(701,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ~ ( ~ ( subset @ SV53 @ SV97 )
            | ! [SY463: $i] :
                ( ~ ( in @ SY463 @ SV53 )
                | ( in @ SY463 @ SV97 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[627]) ).

thf(702,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ~ ( ~ ! [SY464: $i] :
                  ( ~ ( in @ SY464 @ SV53 )
                  | ( in @ SY464 @ SV97 ) )
            | ( subset @ SV53 @ SV97 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[627]) ).

thf(703,plain,
    ! [SV98: $i,SV54: $i,SV117: $i] :
      ( ( ( ~ ( element @ SV117 @ ( powerset @ SV54 ) ) )
        = $true )
      | ( ( ~ ~ ( ~ ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) )
                | ~ ( in @ SV98 @ SV117 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[628]) ).

thf(704,plain,
    ! [SV55: $i,SV99: $i] :
      ( ( ( element @ SV99 @ ( powerset @ SV55 ) )
        = $false )
      | ( ( ! [SY466: $i] :
              ( ~ ( in @ SY466 @ SV99 )
              | ( in @ SY466 @ SV55 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[629]) ).

thf(705,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ~ ( ( SV118
             != ( unordered_pair @ SV56 @ SV100 ) )
            | ! [SY502: $i] :
                ~ ( ~ ( ~ ( in @ SY502 @ SV118 )
                      | ( SY502 = SV56 )
                      | ( SY502 = SV100 ) )
                  | ~ ( ~ ( ( SY502 = SV56 )
                          | ( SY502 = SV100 ) )
                      | ( in @ SY502 @ SV118 ) ) ) )
        | ~ ( ~ ! [SY503: $i] :
                  ~ ( ~ ( ~ ( in @ SY503 @ SV118 )
                        | ( SY503 = SV56 )
                        | ( SY503 = SV100 ) )
                    | ~ ( ~ ( ( SY503 = SV56 )
                            | ( SY503 = SV100 ) )
                        | ( in @ SY503 @ SV118 ) ) )
            | ( SV118
              = ( unordered_pair @ SV56 @ SV100 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[630]) ).

thf(706,plain,
    ! [SV101: $i,SV57: $i] :
      ( ( ( in @ SV57 @ SV101 )
        = $false )
      | ( ( ( set_union2 @ ( singleton @ SV57 ) @ SV101 )
          = SV101 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[631]) ).

thf(707,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ~ ( ( SV119
             != ( set_difference @ SV58 @ SV102 ) )
            | ! [SY504: $i] :
                ~ ( ~ ( ~ ( in @ SY504 @ SV119 )
                      | ~ ( ~ ( in @ SY504 @ SV58 )
                          | ~ ~ ( in @ SY504 @ SV102 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY504 @ SV58 )
                            | ~ ~ ( in @ SY504 @ SV102 ) )
                      | ( in @ SY504 @ SV119 ) ) ) )
        | ~ ( ~ ! [SY505: $i] :
                  ~ ( ~ ( ~ ( in @ SY505 @ SV119 )
                        | ~ ( ~ ( in @ SY505 @ SV58 )
                            | ~ ~ ( in @ SY505 @ SV102 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY505 @ SV58 )
                              | ~ ~ ( in @ SY505 @ SV102 ) )
                        | ( in @ SY505 @ SV119 ) ) )
            | ( SV119
              = ( set_difference @ SV58 @ SV102 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[632]) ).

thf(708,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV59 @ SV103 )
                  | ~ ( element @ SV103 @ ( powerset @ SV120 ) ) )
            | ~ ( empty @ SV120 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[633]) ).

thf(709,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ~ ( ( SV121
             != ( set_intersection2 @ SV60 @ SV104 ) )
            | ! [SY506: $i] :
                ~ ( ~ ( ~ ( in @ SY506 @ SV121 )
                      | ~ ( ~ ( in @ SY506 @ SV60 )
                          | ~ ( in @ SY506 @ SV104 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY506 @ SV60 )
                            | ~ ( in @ SY506 @ SV104 ) )
                      | ( in @ SY506 @ SV121 ) ) ) )
        | ~ ( ~ ! [SY507: $i] :
                  ~ ( ~ ( ~ ( in @ SY507 @ SV121 )
                        | ~ ( ~ ( in @ SY507 @ SV60 )
                            | ~ ( in @ SY507 @ SV104 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY507 @ SV60 )
                              | ~ ( in @ SY507 @ SV104 ) )
                        | ( in @ SY507 @ SV121 ) ) )
            | ( SV121
              = ( set_intersection2 @ SV60 @ SV104 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[634]) ).

thf(710,plain,
    ! [SV105: $i,SV61: $i] :
      ( ( ~ ( in @ SV61 @ SV105 )
        | ~ ( empty @ SV105 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[635]) ).

thf(711,plain,
    ! [SV2: $i,SV62: $i] :
      ( ( ( in @ SV62 @ SV2 )
        = $false )
      | ( ( in @ SV2 @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[636]) ).

thf(712,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ~ ( ~ ~ ( disjoint @ SV3 @ SV63 )
              | ~ ! [SY404: $i] :
                    ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[637]) ).

thf(713,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ~ ( ~ ~ ! [SY405: $i] :
                      ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) )
              | ~ ( disjoint @ SV3 @ SV63 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[638]) ).

thf(714,plain,
    ! [SV64: $i,SV4: $i] :
      ( ( ( in @ SV4 @ SV64 )
        = $true )
      | ( ( disjoint @ ( singleton @ SV4 ) @ SV64 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[639]) ).

thf(715,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
                  | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 ) )
              | ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
                  | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) ) ) )
        = $false )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[640]) ).

thf(716,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( relation @ SV66 )
          | ~ ( function @ SV66 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV66
                   != ( identity_relation @ SV6 ) )
                  | ~ ( ( ( relation_dom @ SV66 )
                       != SV6 )
                      | ~ ! [SY407: $i] :
                            ( ~ ( in @ SY407 @ SV6 )
                            | ( ( apply @ SV66 @ SY407 )
                              = SY407 ) ) ) )
              | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                         != SV6 )
                        | ~ ! [SY408: $i] :
                              ( ~ ( in @ SY408 @ SV6 )
                              | ( ( apply @ SV66 @ SY408 )
                                = SY408 ) ) )
                  | ( SV66
                    = ( identity_relation @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[641]) ).

thf(717,plain,
    ! [SV122: $i,SV106: $i,SV67: $i,SV7: $i] :
      ( ( ~ ( ~ ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
            | ~ ( ~ ( in @ SV7 @ SV106 )
                | ~ ( in @ SV67 @ SV122 ) ) )
        | ~ ( ~ ~ ( ~ ( in @ SV7 @ SV106 )
                  | ~ ( in @ SV67 @ SV122 ) )
            | ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[642]) ).

thf(718,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( relation @ SV123 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV8 != SV123 )
                  | ! [SY508: $i,SY509: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                            | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                            | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) )
              | ~ ( ~ ! [SY510: $i,SY511: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                              | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                              | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) )
                  | ( SV8 = SV123 ) ) ) )
        = $true )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[643]) ).

thf(719,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ~ ( subset @ ( singleton @ SV9 ) @ SV68 )
        | ( in @ SV9 @ SV68 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[644]) ).

thf(720,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ~ ( in @ SV9 @ SV68 )
        | ( subset @ ( singleton @ SV9 ) @ SV68 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[645]) ).

thf(721,plain,
    ! [SV10: $i,SV124: $i] :
      ( ( ( ~ ( relation @ SV124 ) )
        = $true )
      | ( ( ! [SY512: $i] :
              ( ~ ( relation @ SY512 )
              | ~ ( ~ ( ( SY512
                       != ( relation_composition @ SV10 @ SV124 ) )
                      | ! [SY513: $i,SY514: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY514 ) @ SY512 )
                                | ~ ! [SY515: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY515 ) @ SV10 )
                                          | ~ ( in @ ( ordered_pair @ SY515 @ SY514 ) @ SV124 ) ) )
                            | ~ ( ~ ~ ! [SY516: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY516 ) @ SV10 )
                                            | ~ ( in @ ( ordered_pair @ SY516 @ SY514 ) @ SV124 ) )
                                | ( in @ ( ordered_pair @ SY513 @ SY514 ) @ SY512 ) ) ) )
                  | ~ ( ~ ! [SY517: $i,SY518: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY518 ) @ SY512 )
                                  | ~ ! [SY519: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY519 ) @ SV10 )
                                            | ~ ( in @ ( ordered_pair @ SY519 @ SY518 ) @ SV124 ) ) )
                              | ~ ( ~ ~ ! [SY520: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY520 ) @ SV10 )
                                              | ~ ( in @ ( ordered_pair @ SY520 @ SY518 ) @ SV124 ) )
                                  | ( in @ ( ordered_pair @ SY517 @ SY518 ) @ SY512 ) ) )
                      | ( SY512
                        = ( relation_composition @ SV10 @ SV124 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[646]) ).

thf(722,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ~ ( ( SV107
             != ( cartesian_product2 @ SV11 @ SV69 ) )
            | ! [SY478: $i] :
                ~ ( ~ ( ~ ( in @ SY478 @ SV107 )
                      | ~ ! [SY413: $i] :
                            ~ ~ ! [SY414: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY413 @ SV11 )
                                            | ~ ( in @ SY414 @ SV69 ) )
                                      | ( SY478
                                       != ( ordered_pair @ SY413 @ SY414 ) ) ) )
                  | ~ ( ~ ~ ! [SY415: $i] :
                              ~ ~ ! [SY416: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY415 @ SV11 )
                                              | ~ ( in @ SY416 @ SV69 ) )
                                        | ( SY478
                                         != ( ordered_pair @ SY415 @ SY416 ) ) )
                      | ( in @ SY478 @ SV107 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[647]) ).

thf(723,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ~ ( ~ ! [SY483: $i] :
                  ~ ( ~ ( ~ ( in @ SY483 @ SV107 )
                        | ~ ! [SY418: $i] :
                              ~ ~ ! [SY419: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY418 @ SV11 )
                                              | ~ ( in @ SY419 @ SV69 ) )
                                        | ( SY483
                                         != ( ordered_pair @ SY418 @ SY419 ) ) ) )
                    | ~ ( ~ ~ ! [SY420: $i] :
                                ~ ~ ! [SY421: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY420 @ SV11 )
                                                | ~ ( in @ SY421 @ SV69 ) )
                                          | ( SY483
                                           != ( ordered_pair @ SY420 @ SY421 ) ) )
                        | ( in @ SY483 @ SV107 ) ) )
            | ( SV107
              = ( cartesian_product2 @ SV11 @ SV69 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[647]) ).

thf(724,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ~ ( ( SV70
               != ( identity_relation @ SV12 ) )
              | ! [SY422: $i,SY423: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                        | ~ ( ~ ( in @ SY422 @ SV12 )
                            | ( SY422 != SY423 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                              | ( SY422 != SY423 ) )
                        | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) )
          | ~ ( ~ ! [SY424: $i,SY425: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                          | ~ ( ~ ( in @ SY424 @ SV12 )
                              | ( SY424 != SY425 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                                | ( SY424 != SY425 ) )
                          | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) )
              | ( SV70
                = ( identity_relation @ SV12 ) ) ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[648]) ).

thf(725,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ( SV71
         != ( powerset @ SV13 ) )
        | ! [SY426: $i] :
            ~ ( ~ ( ~ ( in @ SY426 @ SV71 )
                  | ( subset @ SY426 @ SV13 ) )
              | ~ ( ~ ( subset @ SY426 @ SV13 )
                  | ( in @ SY426 @ SV71 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[649]) ).

thf(726,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ~ ! [SY427: $i] :
              ~ ( ~ ( ~ ( in @ SY427 @ SV71 )
                    | ( subset @ SY427 @ SV13 ) )
                | ~ ( ~ ( subset @ SY427 @ SV13 )
                    | ( in @ SY427 @ SV71 ) ) )
        | ( SV71
          = ( powerset @ SV13 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[650]) ).

thf(727,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ~ ( ~ ( ( SV134
                   != ( relation_inverse_image @ SV14 @ SV125 ) )
                  | ! [SY560: $i] :
                      ~ ( ~ ( ~ ( in @ SY560 @ SV134 )
                            | ~ ! [SY523: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY523 ) @ SV14 )
                                      | ~ ( in @ SY523 @ SV125 ) ) )
                        | ~ ( ~ ~ ! [SY524: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY524 ) @ SV14 )
                                        | ~ ( in @ SY524 @ SV125 ) )
                            | ( in @ SY560 @ SV134 ) ) ) )
              | ~ ( ~ ! [SY563: $i] :
                        ~ ( ~ ( ~ ( in @ SY563 @ SV134 )
                              | ~ ! [SY526: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY526 ) @ SV14 )
                                        | ~ ( in @ SY526 @ SV125 ) ) )
                          | ~ ( ~ ~ ! [SY527: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY527 ) @ SV14 )
                                          | ~ ( in @ SY527 @ SV125 ) )
                              | ( in @ SY563 @ SV134 ) ) )
                  | ( SV134
                    = ( relation_inverse_image @ SV14 @ SV125 ) ) ) ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[651]) ).

thf(728,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ~ ( ( SV126
               != ( relation_rng @ SV15 ) )
              | ! [SY528: $i] :
                  ~ ( ~ ( ~ ( in @ SY528 @ SV126 )
                        | ~ ! [SY263: $i] :
                              ~ ( in @ ( ordered_pair @ SY263 @ SY528 ) @ SV15 ) )
                    | ~ ( ~ ~ ! [SY264: $i] :
                                ~ ( in @ ( ordered_pair @ SY264 @ SY528 ) @ SV15 )
                        | ( in @ SY528 @ SV126 ) ) ) )
          | ~ ( ~ ! [SY531: $i] :
                    ~ ( ~ ( ~ ( in @ SY531 @ SV126 )
                          | ~ ! [SY266: $i] :
                                ~ ( in @ ( ordered_pair @ SY266 @ SY531 ) @ SV15 ) )
                      | ~ ( ~ ~ ! [SY267: $i] :
                                  ~ ( in @ ( ordered_pair @ SY267 @ SY531 ) @ SV15 )
                          | ( in @ SY531 @ SV126 ) ) )
              | ( SV126
                = ( relation_rng @ SV15 ) ) ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[652]) ).

thf(729,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( ~ ( relation @ SV127 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( subset @ SV16 @ SV127 )
                  | ! [SY534: $i,SY535: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
                      | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) )
              | ~ ( ~ ! [SY536: $i,SY537: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
                        | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) )
                  | ( subset @ SV16 @ SV127 ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[653]) ).

thf(730,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ~ ( ( SV108
             != ( set_union2 @ SV17 @ SV72 ) )
            | ! [SY488: $i] :
                ~ ( ~ ( ~ ( in @ SY488 @ SV108 )
                      | ( in @ SY488 @ SV17 )
                      | ( in @ SY488 @ SV72 ) )
                  | ~ ( ~ ( ( in @ SY488 @ SV17 )
                          | ( in @ SY488 @ SV72 ) )
                      | ( in @ SY488 @ SV108 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[654]) ).

thf(731,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ~ ( ~ ! [SY489: $i] :
                  ~ ( ~ ( ~ ( in @ SY489 @ SV108 )
                        | ( in @ SY489 @ SV17 )
                        | ( in @ SY489 @ SV72 ) )
                    | ~ ( ~ ( ( in @ SY489 @ SV17 )
                            | ( in @ SY489 @ SV72 ) )
                        | ( in @ SY489 @ SV108 ) ) )
            | ( SV108
              = ( set_union2 @ SV17 @ SV72 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[654]) ).

thf(732,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY277: $i,SY278: $i] :
              ~ ( in @ ( ordered_pair @ SY277 @ SY278 ) @ SV18 ) )
        = $false )
      | ( ( SV18 = empty_set )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[655]) ).

thf(733,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( ~ ( relation @ SV135 )
          | ~ ( ~ ( ( SV135
                   != ( relation_dom_restriction @ SV20 @ SV128 ) )
                  | ! [SY566: $i,SY567: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                            | ~ ( ~ ( in @ SY566 @ SV128 )
                                | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                                  | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                            | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) )
              | ~ ( ~ ! [SY568: $i,SY569: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                              | ~ ( ~ ( in @ SY568 @ SV128 )
                                  | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                                    | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                              | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) )
                  | ( SV135
                    = ( relation_dom_restriction @ SV20 @ SV128 ) ) ) ) )
        = $true )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[657]) ).

thf(734,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ~ ( ~ ~ ( disjoint @ SV21 @ SV74 )
              | ~ ! [SY431: $i] :
                    ~ ~ ( ~ ( in @ SY431 @ SV21 )
                        | ~ ( in @ SY431 @ SV74 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[658]) ).

thf(735,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ~ ( ~ ~ ! [SY432: $i] :
                      ~ ~ ( ~ ( in @ SY432 @ SV21 )
                          | ~ ( in @ SY432 @ SV74 ) )
              | ~ ( disjoint @ SV21 @ SV74 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[659]) ).

thf(736,plain,
    ! [SV75: $i,SV22: $i,SV109: $i] :
      ( ( ( relation @ SV109 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
                  | ~ ( ~ ( in @ SV22 @ SV75 )
                      | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                        | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
                  | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[660]) ).

thf(737,plain,
    ! [SV23: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
                    | ~ ! [SY490: $i,SY491: $i] :
                          ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                                | ~ ( subset @ SY491 @ SY490 ) )
                          | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
              | ~ ! [SY492: $i] :
                    ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
                    | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) )
        | ~ ! [SY493: $i] :
              ~ ~ ( ~ ~ ( ~ ( subset @ SY493 @ ( sK3_SY291 @ SV23 ) )
                        | ~ ~ ( are_equipotent @ SY493 @ ( sK3_SY291 @ SV23 ) ) )
                  | ~ ~ ( in @ SY493 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[661]) ).

thf(738,plain,
    ! [SV24: $i,SV76: $i] :
      ( ( ( empty @ SV76 )
        = $true )
      | ( ( in @ SV24 @ SV76 )
        = $true )
      | ( ( element @ SV24 @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[662]) ).

thf(739,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( subset @ ( singleton @ SV25 ) @ SV77 )
        | ( in @ SV25 @ SV77 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[663]) ).

thf(740,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( in @ SV25 @ SV77 )
        | ( subset @ ( singleton @ SV25 ) @ SV77 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[664]) ).

thf(741,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ~ ( ( SV26 != empty_set ) )
        | ~ ( ~ ( ( SV78
                 != ( set_meet @ SV26 ) )
                | ! [SY434: $i] :
                    ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                          | ! [SY300: $i] :
                              ( ~ ( in @ SY300 @ SV26 )
                              | ( in @ SY434 @ SY300 ) ) )
                      | ~ ( ~ ! [SY301: $i] :
                                ( ~ ( in @ SY301 @ SV26 )
                                | ( in @ SY434 @ SY301 ) )
                          | ( in @ SY434 @ SV78 ) ) ) )
            | ~ ( ~ ! [SY437: $i] :
                      ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                            | ! [SY303: $i] :
                                ( ~ ( in @ SY303 @ SV26 )
                                | ( in @ SY437 @ SY303 ) ) )
                        | ~ ( ~ ! [SY304: $i] :
                                  ( ~ ( in @ SY304 @ SV26 )
                                  | ( in @ SY437 @ SY304 ) )
                            | ( in @ SY437 @ SV78 ) ) )
                | ( SV78
                  = ( set_meet @ SV26 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[665]) ).

thf(742,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( SV26 != empty_set )
        | ~ ( ~ ( ( SV78
                 != ( set_meet @ SV26 ) )
                | ( SV78 = empty_set ) )
            | ~ ( ( SV78 != empty_set )
                | ( SV78
                  = ( set_meet @ SV26 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[666]) ).

thf(743,plain,
    ! [SV110: $i,SV79: $i,SV27: $i,SV129: $i] :
      ( ( ( ~ ( relation @ SV129 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
                  | ~ ( ~ ( in @ SV27 @ SV110 )
                      | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                        | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
                  | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[667]) ).

thf(744,plain,
    ! [SV130: $i,SV111: $i,SV81: $i,SV29: $i] :
      ( ( ~ ( ~ ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
            | ~ ( ~ ( in @ SV29 @ SV111 )
                | ~ ( in @ SV81 @ SV130 ) ) )
        | ~ ( ~ ~ ( ~ ( in @ SV29 @ SV111 )
                  | ~ ( in @ SV81 @ SV130 ) )
            | ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[669]) ).

thf(745,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( ~ ( ( SV136
                   != ( relation_image @ SV30 @ SV131 ) )
                  | ! [SY570: $i] :
                      ~ ( ~ ( ~ ( in @ SY570 @ SV136 )
                            | ~ ! [SY545: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY545 @ SY570 ) @ SV30 )
                                      | ~ ( in @ SY545 @ SV131 ) ) )
                        | ~ ( ~ ~ ! [SY546: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY546 @ SY570 ) @ SV30 )
                                        | ~ ( in @ SY546 @ SV131 ) )
                            | ( in @ SY570 @ SV136 ) ) ) )
              | ~ ( ~ ! [SY573: $i] :
                        ~ ( ~ ( ~ ( in @ SY573 @ SV136 )
                              | ~ ! [SY548: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY548 @ SY573 ) @ SV30 )
                                        | ~ ( in @ SY548 @ SV131 ) ) )
                          | ~ ( ~ ~ ! [SY549: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY549 @ SY573 ) @ SV30 )
                                          | ~ ( in @ SY549 @ SV131 ) )
                              | ( in @ SY573 @ SV136 ) ) )
                  | ( SV136
                    = ( relation_image @ SV30 @ SV131 ) ) ) ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[670]) ).

thf(746,plain,
    ! [SV112: $i,SV82: $i,SV31: $i] :
      ( ( ~ ( ~ ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
            | ~ ( ~ ( in @ SV31 @ SV112 )
                | ~ ( in @ SV82 @ SV112 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[671]) ).

thf(747,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV31 @ SV112 )
                  | ~ ( in @ SV82 @ SV112 ) )
            | ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[671]) ).

thf(748,plain,
    ! [SV113: $i,SV83: $i,SV33: $i] :
      ( ( ( ~ ( ~ ( in @ SV33 @ SV83 )
              | ~ ( element @ SV83 @ ( powerset @ SV113 ) ) ) )
        = $false )
      | ( ( element @ SV33 @ SV113 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[674]) ).

thf(749,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ~ ~ ( empty @ SV34 )
        | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                | ( in @ SV84 @ SV34 ) )
            | ~ ( ~ ( in @ SV84 @ SV34 )
                | ( element @ SV84 @ SV34 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[675]) ).

thf(750,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ~ ( empty @ SV34 )
        | ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                | ( empty @ SV84 ) )
            | ~ ( ~ ( empty @ SV84 )
                | ( element @ SV84 @ SV34 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[676]) ).

thf(751,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( relation @ SV35 ) )
        = $true )
      | ( ( ! [SY325: $i] :
              ~ ~ ( ~ ( in @ SY325 @ SV35 )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( SY325
                       != ( ordered_pair @ SX2 @ SX3 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[677]) ).

thf(752,plain,
    ! [SV35: $i] :
      ( ( ( ~ ! [SY328: $i] :
                ~ ~ ( ~ ( in @ SY328 @ SV35 )
                    | ~ ! [SX2: $i,SX3: $i] :
                          ( SY328
                         != ( ordered_pair @ SX2 @ SX3 ) ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[678]) ).

thf(753,plain,
    ! [SV114: $i,SV85: $i,SV36: $i] :
      ( ( ( subset @ SV36 @ SV85 )
        = $false )
      | ( ( ( in @ SV114 @ SV36 )
          | ( subset @ SV36 @ ( set_difference @ SV85 @ ( singleton @ SV114 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[679]) ).

thf(754,plain,
    ! [SV86: $i,SV37: $i,SV115: $i] :
      ( ( ( relation @ SV115 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
          | ~ ( ~ ( in @ SV37 @ ( relation_field @ SV115 ) )
              | ~ ( in @ SV86 @ ( relation_field @ SV115 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[680]) ).

thf(755,plain,
    ! [SV38: $i] :
      ( ( ( SV38 != empty_set )
        = $true )
      | ( ( ! [SY335: $i] :
              ~ ( in @ SY335 @ SV38 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[681]) ).

thf(756,plain,
    ! [SV38: $i] :
      ( ( ( ~ ! [SY336: $i] :
                ~ ( in @ SY336 @ SV38 ) )
        = $true )
      | ( ( SV38 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[682]) ).

thf(757,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( relation @ SV137 )
          | ~ ( ~ ( ( SV137
                   != ( relation_rng_restriction @ SV39 @ SV87 ) )
                  | ! [SY576: $i,SY577: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                            | ~ ( ~ ( in @ SY577 @ SV39 )
                                | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                                  | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                            | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) )
              | ~ ( ~ ! [SY578: $i,SY579: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                              | ~ ( ~ ( in @ SY579 @ SV39 )
                                  | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                                    | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                              | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) )
                  | ( SV137
                    = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) ) )
        = $true )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[683]) ).

thf(758,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ( SV88
         != ( singleton @ SV41 ) )
        | ! [SY453: $i] :
            ~ ( ~ ( ~ ( in @ SY453 @ SV88 )
                  | ( SY453 = SV41 ) )
              | ~ ( ( SY453 != SV41 )
                  | ( in @ SY453 @ SV88 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[686]) ).

thf(759,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ~ ! [SY454: $i] :
              ~ ( ~ ( ~ ( in @ SY454 @ SV88 )
                    | ( SY454 = SV41 ) )
                | ~ ( ( SY454 != SV41 )
                    | ( in @ SY454 @ SV88 ) ) )
        | ( SV88
          = ( singleton @ SV41 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[687]) ).

thf(760,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ( SV89
         != ( union @ SV42 ) )
        | ! [SY455: $i] :
            ~ ( ~ ( ~ ( in @ SY455 @ SV89 )
                  | ~ ! [SY348: $i] :
                        ~ ~ ( ~ ( in @ SY455 @ SY348 )
                            | ~ ( in @ SY348 @ SV42 ) ) )
              | ~ ( ~ ~ ! [SY349: $i] :
                          ~ ~ ( ~ ( in @ SY455 @ SY349 )
                              | ~ ( in @ SY349 @ SV42 ) )
                  | ( in @ SY455 @ SV89 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[688]) ).

thf(761,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ~ ! [SY458: $i] :
              ~ ( ~ ( ~ ( in @ SY458 @ SV89 )
                    | ~ ! [SY351: $i] :
                          ~ ~ ( ~ ( in @ SY458 @ SY351 )
                              | ~ ( in @ SY351 @ SV42 ) ) )
                | ~ ( ~ ~ ! [SY352: $i] :
                            ~ ~ ( ~ ( in @ SY458 @ SY352 )
                                | ~ ( in @ SY352 @ SV42 ) )
                    | ( in @ SY458 @ SV89 ) ) )
        | ( SV89
          = ( union @ SV42 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[689]) ).

thf(762,plain,
    ! [SV90: $i,SV43: $i,SV116: $i] :
      ( ( ( relation @ SV116 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
                  | ~ ( ~ ( in @ SV43 @ SV90 )
                      | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                        | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
                  | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[690]) ).

thf(763,plain,
    ! [SV91: $i,SV44: $i] :
      ( ( ( ~ ( disjoint @ ( singleton @ SV44 ) @ SV91 ) )
        = $true )
      | ( ( ~ ( in @ SV44 @ SV91 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[691]) ).

thf(764,plain,
    ! [SV46: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
                    | ~ ! [SY496: $i,SY497: $i] :
                          ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                                | ~ ( subset @ SY497 @ SY496 ) )
                          | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
              | ~ ! [SY498: $i] :
                    ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                        | ~ ! [SY499: $i] :
                              ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                                  | ~ ! [SX4: $i] :
                                        ( ~ ( subset @ SX4 @ SY498 )
                                        | ( in @ SX4 @ SY499 ) ) ) ) )
        | ~ ! [SY501: $i] :
              ~ ~ ( ~ ~ ( ~ ( subset @ SY501 @ ( sK4_SY357 @ SV46 ) )
                        | ~ ~ ( are_equipotent @ SY501 @ ( sK4_SY357 @ SV46 ) ) )
                  | ~ ~ ( in @ SY501 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[693]) ).

thf(765,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ~ ( ( SV132
               != ( relation_dom @ SV47 ) )
              | ! [SY550: $i] :
                  ~ ( ~ ( ~ ( in @ SY550 @ SV132 )
                        | ~ ! [SY366: $i] :
                              ~ ( in @ ( ordered_pair @ SY550 @ SY366 ) @ SV47 ) )
                    | ~ ( ~ ~ ! [SY367: $i] :
                                ~ ( in @ ( ordered_pair @ SY550 @ SY367 ) @ SV47 )
                        | ( in @ SY550 @ SV132 ) ) ) )
          | ~ ( ~ ! [SY553: $i] :
                    ~ ( ~ ( ~ ( in @ SY553 @ SV132 )
                          | ~ ! [SY369: $i] :
                                ~ ( in @ ( ordered_pair @ SY553 @ SY369 ) @ SV47 ) )
                      | ~ ( ~ ~ ! [SY370: $i] :
                                  ~ ( in @ ( ordered_pair @ SY553 @ SY370 ) @ SV47 )
                          | ( in @ SY553 @ SV132 ) ) )
              | ( SV132
                = ( relation_dom @ SV47 ) ) ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[694]) ).

thf(766,plain,
    ! [SV48: $i,SV93: $i] :
      ( ( ( ~ ( in @ ( sK6_SY462 @ SV93 @ SV48 ) @ SV48 )
          | ( in @ ( sK6_SY462 @ SV93 @ SV48 ) @ SV93 ) )
        = $false )
      | ( ( element @ SV48 @ ( powerset @ SV93 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[695]) ).

thf(767,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( relation @ SV133 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV133
                   != ( relation_inverse @ SV49 ) )
                  | ! [SY556: $i,SY557: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                            | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                            | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) )
              | ~ ( ~ ! [SY558: $i,SY559: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                              | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                              | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) )
                  | ( SV133
                    = ( relation_inverse @ SV49 ) ) ) ) )
        = $true )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[696]) ).

thf(768,plain,
    ! [SV94: $i,SV50: $i] :
      ( ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
         != SV50 )
        | ~ ( in @ SV94 @ SV50 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[697]) ).

thf(769,plain,
    ! [SV50: $i,SV94: $i] :
      ( ( ~ ~ ( in @ SV94 @ SV50 )
        | ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
          = SV50 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[698]) ).

thf(770,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ~ ( subset @ SV53 @ SV97 )
        | ! [SY463: $i] :
            ( ~ ( in @ SY463 @ SV53 )
            | ( in @ SY463 @ SV97 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[701]) ).

thf(771,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ~ ! [SY464: $i] :
              ( ~ ( in @ SY464 @ SV53 )
              | ( in @ SY464 @ SV97 ) )
        | ( subset @ SV53 @ SV97 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[702]) ).

thf(772,plain,
    ! [SV98: $i,SV54: $i,SV117: $i] :
      ( ( ( element @ SV117 @ ( powerset @ SV54 ) )
        = $false )
      | ( ( ~ ~ ( ~ ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) )
                | ~ ( in @ SV98 @ SV117 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[703]) ).

thf(773,plain,
    ! [SV55: $i,SV99: $i,SV138: $i] :
      ( ( ( ~ ( in @ SV138 @ SV99 )
          | ( in @ SV138 @ SV55 ) )
        = $true )
      | ( ( element @ SV99 @ ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[704]) ).

thf(774,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ~ ( ( SV118
             != ( unordered_pair @ SV56 @ SV100 ) )
            | ! [SY502: $i] :
                ~ ( ~ ( ~ ( in @ SY502 @ SV118 )
                      | ( SY502 = SV56 )
                      | ( SY502 = SV100 ) )
                  | ~ ( ~ ( ( SY502 = SV56 )
                          | ( SY502 = SV100 ) )
                      | ( in @ SY502 @ SV118 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[705]) ).

thf(775,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ~ ( ~ ! [SY503: $i] :
                  ~ ( ~ ( ~ ( in @ SY503 @ SV118 )
                        | ( SY503 = SV56 )
                        | ( SY503 = SV100 ) )
                    | ~ ( ~ ( ( SY503 = SV56 )
                            | ( SY503 = SV100 ) )
                        | ( in @ SY503 @ SV118 ) ) )
            | ( SV118
              = ( unordered_pair @ SV56 @ SV100 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[705]) ).

thf(776,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ~ ( ( SV119
             != ( set_difference @ SV58 @ SV102 ) )
            | ! [SY504: $i] :
                ~ ( ~ ( ~ ( in @ SY504 @ SV119 )
                      | ~ ( ~ ( in @ SY504 @ SV58 )
                          | ~ ~ ( in @ SY504 @ SV102 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY504 @ SV58 )
                            | ~ ~ ( in @ SY504 @ SV102 ) )
                      | ( in @ SY504 @ SV119 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[707]) ).

thf(777,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ~ ( ~ ! [SY505: $i] :
                  ~ ( ~ ( ~ ( in @ SY505 @ SV119 )
                        | ~ ( ~ ( in @ SY505 @ SV58 )
                            | ~ ~ ( in @ SY505 @ SV102 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY505 @ SV58 )
                              | ~ ~ ( in @ SY505 @ SV102 ) )
                        | ( in @ SY505 @ SV119 ) ) )
            | ( SV119
              = ( set_difference @ SV58 @ SV102 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[707]) ).

thf(778,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ~ ~ ( ~ ( in @ SV59 @ SV103 )
              | ~ ( element @ SV103 @ ( powerset @ SV120 ) ) )
        | ~ ( empty @ SV120 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[708]) ).

thf(779,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ~ ( ( SV121
             != ( set_intersection2 @ SV60 @ SV104 ) )
            | ! [SY506: $i] :
                ~ ( ~ ( ~ ( in @ SY506 @ SV121 )
                      | ~ ( ~ ( in @ SY506 @ SV60 )
                          | ~ ( in @ SY506 @ SV104 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY506 @ SV60 )
                            | ~ ( in @ SY506 @ SV104 ) )
                      | ( in @ SY506 @ SV121 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[709]) ).

thf(780,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ~ ( ~ ! [SY507: $i] :
                  ~ ( ~ ( ~ ( in @ SY507 @ SV121 )
                        | ~ ( ~ ( in @ SY507 @ SV60 )
                            | ~ ( in @ SY507 @ SV104 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY507 @ SV60 )
                              | ~ ( in @ SY507 @ SV104 ) )
                        | ( in @ SY507 @ SV121 ) ) )
            | ( SV121
              = ( set_intersection2 @ SV60 @ SV104 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[709]) ).

thf(781,plain,
    ! [SV105: $i,SV61: $i] :
      ( ( ( ~ ( in @ SV61 @ SV105 ) )
        = $true )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[710]) ).

thf(782,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ( ~ ~ ( disjoint @ SV3 @ SV63 )
            | ~ ! [SY404: $i] :
                  ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[712]) ).

thf(783,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ( ~ ~ ! [SY405: $i] :
                    ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) )
            | ~ ( disjoint @ SV3 @ SV63 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[713]) ).

thf(784,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 ) )
          | ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) ) )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[715]) ).

thf(785,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( relation @ SV66 ) )
        = $true )
      | ( ( ~ ( function @ SV66 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV66
                   != ( identity_relation @ SV6 ) )
                  | ~ ( ( ( relation_dom @ SV66 )
                       != SV6 )
                      | ~ ! [SY407: $i] :
                            ( ~ ( in @ SY407 @ SV6 )
                            | ( ( apply @ SV66 @ SY407 )
                              = SY407 ) ) ) )
              | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                         != SV6 )
                        | ~ ! [SY408: $i] :
                              ( ~ ( in @ SY408 @ SV6 )
                              | ( ( apply @ SV66 @ SY408 )
                                = SY408 ) ) )
                  | ( SV66
                    = ( identity_relation @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[716]) ).

thf(786,plain,
    ! [SV122: $i,SV106: $i,SV67: $i,SV7: $i] :
      ( ( ~ ( ~ ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
            | ~ ( ~ ( in @ SV7 @ SV106 )
                | ~ ( in @ SV67 @ SV122 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[717]) ).

thf(787,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV7 @ SV106 )
                  | ~ ( in @ SV67 @ SV122 ) )
            | ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[717]) ).

thf(788,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( relation @ SV123 )
        = $false )
      | ( ( ~ ( ~ ( ( SV8 != SV123 )
                  | ! [SY508: $i,SY509: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                            | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                            | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) )
              | ~ ( ~ ! [SY510: $i,SY511: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                              | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                              | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) )
                  | ( SV8 = SV123 ) ) ) )
        = $true )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[718]) ).

thf(789,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV9 ) @ SV68 ) )
        = $true )
      | ( ( in @ SV9 @ SV68 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[719]) ).

thf(790,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ( ~ ( in @ SV9 @ SV68 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV9 ) @ SV68 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[720]) ).

thf(791,plain,
    ! [SV10: $i,SV124: $i] :
      ( ( ( relation @ SV124 )
        = $false )
      | ( ( ! [SY512: $i] :
              ( ~ ( relation @ SY512 )
              | ~ ( ~ ( ( SY512
                       != ( relation_composition @ SV10 @ SV124 ) )
                      | ! [SY513: $i,SY514: $i] :
                          ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY514 ) @ SY512 )
                                | ~ ! [SY515: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY515 ) @ SV10 )
                                          | ~ ( in @ ( ordered_pair @ SY515 @ SY514 ) @ SV124 ) ) )
                            | ~ ( ~ ~ ! [SY516: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY513 @ SY516 ) @ SV10 )
                                            | ~ ( in @ ( ordered_pair @ SY516 @ SY514 ) @ SV124 ) )
                                | ( in @ ( ordered_pair @ SY513 @ SY514 ) @ SY512 ) ) ) )
                  | ~ ( ~ ! [SY517: $i,SY518: $i] :
                            ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY518 ) @ SY512 )
                                  | ~ ! [SY519: $i] :
                                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY519 ) @ SV10 )
                                            | ~ ( in @ ( ordered_pair @ SY519 @ SY518 ) @ SV124 ) ) )
                              | ~ ( ~ ~ ! [SY520: $i] :
                                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY517 @ SY520 ) @ SV10 )
                                              | ~ ( in @ ( ordered_pair @ SY520 @ SY518 ) @ SV124 ) )
                                  | ( in @ ( ordered_pair @ SY517 @ SY518 ) @ SY512 ) ) )
                      | ( SY512
                        = ( relation_composition @ SV10 @ SV124 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[721]) ).

thf(792,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ( SV107
         != ( cartesian_product2 @ SV11 @ SV69 ) )
        | ! [SY478: $i] :
            ~ ( ~ ( ~ ( in @ SY478 @ SV107 )
                  | ~ ! [SY413: $i] :
                        ~ ~ ! [SY414: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY413 @ SV11 )
                                        | ~ ( in @ SY414 @ SV69 ) )
                                  | ( SY478
                                   != ( ordered_pair @ SY413 @ SY414 ) ) ) )
              | ~ ( ~ ~ ! [SY415: $i] :
                          ~ ~ ! [SY416: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY415 @ SV11 )
                                          | ~ ( in @ SY416 @ SV69 ) )
                                    | ( SY478
                                     != ( ordered_pair @ SY415 @ SY416 ) ) )
                  | ( in @ SY478 @ SV107 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[722]) ).

thf(793,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ~ ! [SY483: $i] :
              ~ ( ~ ( ~ ( in @ SY483 @ SV107 )
                    | ~ ! [SY418: $i] :
                          ~ ~ ! [SY419: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY418 @ SV11 )
                                          | ~ ( in @ SY419 @ SV69 ) )
                                    | ( SY483
                                     != ( ordered_pair @ SY418 @ SY419 ) ) ) )
                | ~ ( ~ ~ ! [SY420: $i] :
                            ~ ~ ! [SY421: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY420 @ SV11 )
                                            | ~ ( in @ SY421 @ SV69 ) )
                                      | ( SY483
                                       != ( ordered_pair @ SY420 @ SY421 ) ) )
                    | ( in @ SY483 @ SV107 ) ) )
        | ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[723]) ).

thf(794,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ~ ( ( SV70
               != ( identity_relation @ SV12 ) )
              | ! [SY422: $i,SY423: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                        | ~ ( ~ ( in @ SY422 @ SV12 )
                            | ( SY422 != SY423 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                              | ( SY422 != SY423 ) )
                        | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[724]) ).

thf(795,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ~ ( ~ ! [SY424: $i,SY425: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                          | ~ ( ~ ( in @ SY424 @ SV12 )
                              | ( SY424 != SY425 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                                | ( SY424 != SY425 ) )
                          | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) )
              | ( SV70
                = ( identity_relation @ SV12 ) ) ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[724]) ).

thf(796,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ( SV71
         != ( powerset @ SV13 ) )
        = $true )
      | ( ( ! [SY426: $i] :
              ~ ( ~ ( ~ ( in @ SY426 @ SV71 )
                    | ( subset @ SY426 @ SV13 ) )
                | ~ ( ~ ( subset @ SY426 @ SV13 )
                    | ( in @ SY426 @ SV71 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[725]) ).

thf(797,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ( ~ ! [SY427: $i] :
                ~ ( ~ ( ~ ( in @ SY427 @ SV71 )
                      | ( subset @ SY427 @ SV13 ) )
                  | ~ ( ~ ( subset @ SY427 @ SV13 )
                      | ( in @ SY427 @ SV71 ) ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[726]) ).

thf(798,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ~ ( ( SV134
               != ( relation_inverse_image @ SV14 @ SV125 ) )
              | ! [SY560: $i] :
                  ~ ( ~ ( ~ ( in @ SY560 @ SV134 )
                        | ~ ! [SY523: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY523 ) @ SV14 )
                                  | ~ ( in @ SY523 @ SV125 ) ) )
                    | ~ ( ~ ~ ! [SY524: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY524 ) @ SV14 )
                                    | ~ ( in @ SY524 @ SV125 ) )
                        | ( in @ SY560 @ SV134 ) ) ) )
          | ~ ( ~ ! [SY563: $i] :
                    ~ ( ~ ( ~ ( in @ SY563 @ SV134 )
                          | ~ ! [SY526: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY526 ) @ SV14 )
                                    | ~ ( in @ SY526 @ SV125 ) ) )
                      | ~ ( ~ ~ ! [SY527: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY527 ) @ SV14 )
                                      | ~ ( in @ SY527 @ SV125 ) )
                          | ( in @ SY563 @ SV134 ) ) )
              | ( SV134
                = ( relation_inverse_image @ SV14 @ SV125 ) ) ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[727]) ).

thf(799,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ~ ( ( SV126
               != ( relation_rng @ SV15 ) )
              | ! [SY528: $i] :
                  ~ ( ~ ( ~ ( in @ SY528 @ SV126 )
                        | ~ ! [SY263: $i] :
                              ~ ( in @ ( ordered_pair @ SY263 @ SY528 ) @ SV15 ) )
                    | ~ ( ~ ~ ! [SY264: $i] :
                                ~ ( in @ ( ordered_pair @ SY264 @ SY528 ) @ SV15 )
                        | ( in @ SY528 @ SV126 ) ) ) ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[728]) ).

thf(800,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ~ ( ~ ! [SY531: $i] :
                    ~ ( ~ ( ~ ( in @ SY531 @ SV126 )
                          | ~ ! [SY266: $i] :
                                ~ ( in @ ( ordered_pair @ SY266 @ SY531 ) @ SV15 ) )
                      | ~ ( ~ ~ ! [SY267: $i] :
                                  ~ ( in @ ( ordered_pair @ SY267 @ SY531 ) @ SV15 )
                          | ( in @ SY531 @ SV126 ) ) )
              | ( SV126
                = ( relation_rng @ SV15 ) ) ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[728]) ).

thf(801,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( relation @ SV127 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( subset @ SV16 @ SV127 )
                  | ! [SY534: $i,SY535: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
                      | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) )
              | ~ ( ~ ! [SY536: $i,SY537: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
                        | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) )
                  | ( subset @ SV16 @ SV127 ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[729]) ).

thf(802,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ( SV108
         != ( set_union2 @ SV17 @ SV72 ) )
        | ! [SY488: $i] :
            ~ ( ~ ( ~ ( in @ SY488 @ SV108 )
                  | ( in @ SY488 @ SV17 )
                  | ( in @ SY488 @ SV72 ) )
              | ~ ( ~ ( ( in @ SY488 @ SV17 )
                      | ( in @ SY488 @ SV72 ) )
                  | ( in @ SY488 @ SV108 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[730]) ).

thf(803,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ~ ! [SY489: $i] :
              ~ ( ~ ( ~ ( in @ SY489 @ SV108 )
                    | ( in @ SY489 @ SV17 )
                    | ( in @ SY489 @ SV72 ) )
                | ~ ( ~ ( ( in @ SY489 @ SV17 )
                        | ( in @ SY489 @ SV72 ) )
                    | ( in @ SY489 @ SV108 ) ) )
        | ( SV108
          = ( set_union2 @ SV17 @ SV72 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[731]) ).

thf(804,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY580: $i] :
              ~ ( in @ ( ordered_pair @ ( sK7_SY277 @ SV18 ) @ SY580 ) @ SV18 ) )
        = $false )
      | ( ( SV18 = empty_set )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[732]) ).

thf(805,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( ~ ( relation @ SV135 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV135
                   != ( relation_dom_restriction @ SV20 @ SV128 ) )
                  | ! [SY566: $i,SY567: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                            | ~ ( ~ ( in @ SY566 @ SV128 )
                                | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                                  | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                            | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) )
              | ~ ( ~ ! [SY568: $i,SY569: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                              | ~ ( ~ ( in @ SY568 @ SV128 )
                                  | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                                    | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                              | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) )
                  | ( SV135
                    = ( relation_dom_restriction @ SV20 @ SV128 ) ) ) ) )
        = $true )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[733]) ).

thf(806,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ( ~ ~ ( disjoint @ SV21 @ SV74 )
            | ~ ! [SY431: $i] :
                  ~ ~ ( ~ ( in @ SY431 @ SV21 )
                      | ~ ( in @ SY431 @ SV74 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[734]) ).

thf(807,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ( ~ ~ ! [SY432: $i] :
                    ~ ~ ( ~ ( in @ SY432 @ SV21 )
                        | ~ ( in @ SY432 @ SV74 ) )
            | ~ ( disjoint @ SV21 @ SV74 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[735]) ).

thf(808,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
              | ~ ( ~ ( in @ SV22 @ SV75 )
                  | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                    | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
              | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[736]) ).

thf(809,plain,
    ! [SV23: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
                    | ~ ! [SY490: $i,SY491: $i] :
                          ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                                | ~ ( subset @ SY491 @ SY490 ) )
                          | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
              | ~ ! [SY492: $i] :
                    ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
                    | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[737]) ).

thf(810,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY493: $i] :
              ~ ~ ( ~ ~ ( ~ ( subset @ SY493 @ ( sK3_SY291 @ SV23 ) )
                        | ~ ~ ( are_equipotent @ SY493 @ ( sK3_SY291 @ SV23 ) ) )
                  | ~ ~ ( in @ SY493 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[737]) ).

thf(811,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV25 ) @ SV77 ) )
        = $true )
      | ( ( in @ SV25 @ SV77 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[739]) ).

thf(812,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV77 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV25 ) @ SV77 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[740]) ).

thf(813,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ( ( SV26 != empty_set ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV78
                   != ( set_meet @ SV26 ) )
                  | ! [SY434: $i] :
                      ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                            | ! [SY300: $i] :
                                ( ~ ( in @ SY300 @ SV26 )
                                | ( in @ SY434 @ SY300 ) ) )
                        | ~ ( ~ ! [SY301: $i] :
                                  ( ~ ( in @ SY301 @ SV26 )
                                  | ( in @ SY434 @ SY301 ) )
                            | ( in @ SY434 @ SV78 ) ) ) )
              | ~ ( ~ ! [SY437: $i] :
                        ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                              | ! [SY303: $i] :
                                  ( ~ ( in @ SY303 @ SV26 )
                                  | ( in @ SY437 @ SY303 ) ) )
                          | ~ ( ~ ! [SY304: $i] :
                                    ( ~ ( in @ SY304 @ SV26 )
                                    | ( in @ SY437 @ SY304 ) )
                              | ( in @ SY437 @ SV78 ) ) )
                  | ( SV78
                    = ( set_meet @ SV26 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[741]) ).

thf(814,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( SV26 != empty_set )
        = $true )
      | ( ( ~ ( ~ ( ( SV78
                   != ( set_meet @ SV26 ) )
                  | ( SV78 = empty_set ) )
              | ~ ( ( SV78 != empty_set )
                  | ( SV78
                    = ( set_meet @ SV26 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[742]) ).

thf(815,plain,
    ! [SV110: $i,SV79: $i,SV27: $i,SV129: $i] :
      ( ( ( relation @ SV129 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
                  | ~ ( ~ ( in @ SV27 @ SV110 )
                      | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                        | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
                  | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[743]) ).

thf(816,plain,
    ! [SV130: $i,SV111: $i,SV81: $i,SV29: $i] :
      ( ( ~ ( ~ ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
            | ~ ( ~ ( in @ SV29 @ SV111 )
                | ~ ( in @ SV81 @ SV130 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[744]) ).

thf(817,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV29 @ SV111 )
                  | ~ ( in @ SV81 @ SV130 ) )
            | ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[744]) ).

thf(818,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( ( SV136
               != ( relation_image @ SV30 @ SV131 ) )
              | ! [SY570: $i] :
                  ~ ( ~ ( ~ ( in @ SY570 @ SV136 )
                        | ~ ! [SY545: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY545 @ SY570 ) @ SV30 )
                                  | ~ ( in @ SY545 @ SV131 ) ) )
                    | ~ ( ~ ~ ! [SY546: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY546 @ SY570 ) @ SV30 )
                                    | ~ ( in @ SY546 @ SV131 ) )
                        | ( in @ SY570 @ SV136 ) ) ) )
          | ~ ( ~ ! [SY573: $i] :
                    ~ ( ~ ( ~ ( in @ SY573 @ SV136 )
                          | ~ ! [SY548: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY548 @ SY573 ) @ SV30 )
                                    | ~ ( in @ SY548 @ SV131 ) ) )
                      | ~ ( ~ ~ ! [SY549: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY549 @ SY573 ) @ SV30 )
                                      | ~ ( in @ SY549 @ SV131 ) )
                          | ( in @ SY573 @ SV136 ) ) )
              | ( SV136
                = ( relation_image @ SV30 @ SV131 ) ) ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[745]) ).

thf(819,plain,
    ! [SV112: $i,SV82: $i,SV31: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        | ~ ( ~ ( in @ SV31 @ SV112 )
            | ~ ( in @ SV82 @ SV112 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[746]) ).

thf(820,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ~ ~ ( ~ ( in @ SV31 @ SV112 )
              | ~ ( in @ SV82 @ SV112 ) )
        | ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[747]) ).

thf(821,plain,
    ! [SV113: $i,SV83: $i,SV33: $i] :
      ( ( ( ~ ( in @ SV33 @ SV83 )
          | ~ ( element @ SV83 @ ( powerset @ SV113 ) ) )
        = $true )
      | ( ( element @ SV33 @ SV113 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[748]) ).

thf(822,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ( ~ ~ ( empty @ SV34 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                  | ( in @ SV84 @ SV34 ) )
              | ~ ( ~ ( in @ SV84 @ SV34 )
                  | ( element @ SV84 @ SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[749]) ).

thf(823,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ( ~ ( empty @ SV34 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                  | ( empty @ SV84 ) )
              | ~ ( ~ ( empty @ SV84 )
                  | ( element @ SV84 @ SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[750]) ).

thf(824,plain,
    ! [SV35: $i] :
      ( ( ( relation @ SV35 )
        = $false )
      | ( ( ! [SY325: $i] :
              ~ ~ ( ~ ( in @ SY325 @ SV35 )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( SY325
                       != ( ordered_pair @ SX2 @ SX3 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[751]) ).

thf(825,plain,
    ! [SV35: $i] :
      ( ( ( ! [SY328: $i] :
              ~ ~ ( ~ ( in @ SY328 @ SV35 )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( SY328
                       != ( ordered_pair @ SX2 @ SX3 ) ) ) )
        = $false )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[752]) ).

thf(826,plain,
    ! [SV85: $i,SV36: $i,SV114: $i] :
      ( ( ( in @ SV114 @ SV36 )
        = $true )
      | ( ( subset @ SV36 @ ( set_difference @ SV85 @ ( singleton @ SV114 ) ) )
        = $true )
      | ( ( subset @ SV36 @ SV85 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[753]) ).

thf(827,plain,
    ! [SV115: $i,SV86: $i,SV37: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV37 @ ( relation_field @ SV115 ) )
              | ~ ( in @ SV86 @ ( relation_field @ SV115 ) ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[754]) ).

thf(828,plain,
    ! [SV38: $i] :
      ( ( ( SV38 = empty_set )
        = $false )
      | ( ( ! [SY335: $i] :
              ~ ( in @ SY335 @ SV38 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[755]) ).

thf(829,plain,
    ! [SV38: $i] :
      ( ( ( ! [SY336: $i] :
              ~ ( in @ SY336 @ SV38 ) )
        = $false )
      | ( ( SV38 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[756]) ).

thf(830,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( relation @ SV137 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV137
                   != ( relation_rng_restriction @ SV39 @ SV87 ) )
                  | ! [SY576: $i,SY577: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                            | ~ ( ~ ( in @ SY577 @ SV39 )
                                | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                                  | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                            | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) )
              | ~ ( ~ ! [SY578: $i,SY579: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                              | ~ ( ~ ( in @ SY579 @ SV39 )
                                  | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                                    | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                              | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) )
                  | ( SV137
                    = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) ) )
        = $true )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[757]) ).

thf(831,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ( SV88
         != ( singleton @ SV41 ) )
        = $true )
      | ( ( ! [SY453: $i] :
              ~ ( ~ ( ~ ( in @ SY453 @ SV88 )
                    | ( SY453 = SV41 ) )
                | ~ ( ( SY453 != SV41 )
                    | ( in @ SY453 @ SV88 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[758]) ).

thf(832,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ( ~ ! [SY454: $i] :
                ~ ( ~ ( ~ ( in @ SY454 @ SV88 )
                      | ( SY454 = SV41 ) )
                  | ~ ( ( SY454 != SV41 )
                      | ( in @ SY454 @ SV88 ) ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[759]) ).

thf(833,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ( SV89
         != ( union @ SV42 ) )
        = $true )
      | ( ( ! [SY455: $i] :
              ~ ( ~ ( ~ ( in @ SY455 @ SV89 )
                    | ~ ! [SY348: $i] :
                          ~ ~ ( ~ ( in @ SY455 @ SY348 )
                              | ~ ( in @ SY348 @ SV42 ) ) )
                | ~ ( ~ ~ ! [SY349: $i] :
                            ~ ~ ( ~ ( in @ SY455 @ SY349 )
                                | ~ ( in @ SY349 @ SV42 ) )
                    | ( in @ SY455 @ SV89 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[760]) ).

thf(834,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ( ~ ! [SY458: $i] :
                ~ ( ~ ( ~ ( in @ SY458 @ SV89 )
                      | ~ ! [SY351: $i] :
                            ~ ~ ( ~ ( in @ SY458 @ SY351 )
                                | ~ ( in @ SY351 @ SV42 ) ) )
                  | ~ ( ~ ~ ! [SY352: $i] :
                              ~ ~ ( ~ ( in @ SY458 @ SY352 )
                                  | ~ ( in @ SY352 @ SV42 ) )
                      | ( in @ SY458 @ SV89 ) ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[761]) ).

thf(835,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( ~ ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
              | ~ ( ~ ( in @ SV43 @ SV90 )
                  | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                    | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
              | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[762]) ).

thf(836,plain,
    ! [SV91: $i,SV44: $i] :
      ( ( ( disjoint @ ( singleton @ SV44 ) @ SV91 )
        = $false )
      | ( ( ~ ( in @ SV44 @ SV91 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[763]) ).

thf(837,plain,
    ! [SV46: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
                    | ~ ! [SY496: $i,SY497: $i] :
                          ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                                | ~ ( subset @ SY497 @ SY496 ) )
                          | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
              | ~ ! [SY498: $i] :
                    ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                        | ~ ! [SY499: $i] :
                              ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                                  | ~ ! [SX4: $i] :
                                        ( ~ ( subset @ SX4 @ SY498 )
                                        | ( in @ SX4 @ SY499 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[764]) ).

thf(838,plain,
    ! [SV46: $i] :
      ( ( ~ ! [SY501: $i] :
              ~ ~ ( ~ ~ ( ~ ( subset @ SY501 @ ( sK4_SY357 @ SV46 ) )
                        | ~ ~ ( are_equipotent @ SY501 @ ( sK4_SY357 @ SV46 ) ) )
                  | ~ ~ ( in @ SY501 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[764]) ).

thf(839,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ~ ( ( SV132
               != ( relation_dom @ SV47 ) )
              | ! [SY550: $i] :
                  ~ ( ~ ( ~ ( in @ SY550 @ SV132 )
                        | ~ ! [SY366: $i] :
                              ~ ( in @ ( ordered_pair @ SY550 @ SY366 ) @ SV47 ) )
                    | ~ ( ~ ~ ! [SY367: $i] :
                                ~ ( in @ ( ordered_pair @ SY550 @ SY367 ) @ SV47 )
                        | ( in @ SY550 @ SV132 ) ) ) ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[765]) ).

thf(840,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ~ ( ~ ! [SY553: $i] :
                    ~ ( ~ ( ~ ( in @ SY553 @ SV132 )
                          | ~ ! [SY369: $i] :
                                ~ ( in @ ( ordered_pair @ SY553 @ SY369 ) @ SV47 ) )
                      | ~ ( ~ ~ ! [SY370: $i] :
                                  ~ ( in @ ( ordered_pair @ SY553 @ SY370 ) @ SV47 )
                          | ( in @ SY553 @ SV132 ) ) )
              | ( SV132
                = ( relation_dom @ SV47 ) ) ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[765]) ).

thf(841,plain,
    ! [SV48: $i,SV93: $i] :
      ( ( ( ~ ( in @ ( sK6_SY462 @ SV93 @ SV48 ) @ SV48 ) )
        = $false )
      | ( ( element @ SV48 @ ( powerset @ SV93 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[766]) ).

thf(842,plain,
    ! [SV48: $i,SV93: $i] :
      ( ( ( in @ ( sK6_SY462 @ SV93 @ SV48 ) @ SV93 )
        = $false )
      | ( ( element @ SV48 @ ( powerset @ SV93 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[766]) ).

thf(843,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( relation @ SV133 )
        = $false )
      | ( ( ~ ( ~ ( ( SV133
                   != ( relation_inverse @ SV49 ) )
                  | ! [SY556: $i,SY557: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                            | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                        | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                            | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) )
              | ~ ( ~ ! [SY558: $i,SY559: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                              | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                          | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                              | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) )
                  | ( SV133
                    = ( relation_inverse @ SV49 ) ) ) ) )
        = $true )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[767]) ).

thf(844,plain,
    ! [SV94: $i,SV50: $i] :
      ( ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
         != SV50 )
        = $true )
      | ( ( ~ ( in @ SV94 @ SV50 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[768]) ).

thf(845,plain,
    ! [SV50: $i,SV94: $i] :
      ( ( ( ~ ~ ( in @ SV94 @ SV50 ) )
        = $true )
      | ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
          = SV50 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[769]) ).

thf(846,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ( ~ ( subset @ SV53 @ SV97 ) )
        = $true )
      | ( ( ! [SY463: $i] :
              ( ~ ( in @ SY463 @ SV53 )
              | ( in @ SY463 @ SV97 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[770]) ).

thf(847,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ( ~ ! [SY464: $i] :
                ( ~ ( in @ SY464 @ SV53 )
                | ( in @ SY464 @ SV97 ) ) )
        = $true )
      | ( ( subset @ SV53 @ SV97 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[771]) ).

thf(848,plain,
    ! [SV117: $i,SV54: $i,SV98: $i] :
      ( ( ( ~ ( ~ ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) )
              | ~ ( in @ SV98 @ SV117 ) ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV54 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[772]) ).

thf(849,plain,
    ! [SV55: $i,SV99: $i,SV138: $i] :
      ( ( ( ~ ( in @ SV138 @ SV99 ) )
        = $true )
      | ( ( in @ SV138 @ SV55 )
        = $true )
      | ( ( element @ SV99 @ ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[773]) ).

thf(850,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ( SV118
         != ( unordered_pair @ SV56 @ SV100 ) )
        | ! [SY502: $i] :
            ~ ( ~ ( ~ ( in @ SY502 @ SV118 )
                  | ( SY502 = SV56 )
                  | ( SY502 = SV100 ) )
              | ~ ( ~ ( ( SY502 = SV56 )
                      | ( SY502 = SV100 ) )
                  | ( in @ SY502 @ SV118 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[774]) ).

thf(851,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ~ ! [SY503: $i] :
              ~ ( ~ ( ~ ( in @ SY503 @ SV118 )
                    | ( SY503 = SV56 )
                    | ( SY503 = SV100 ) )
                | ~ ( ~ ( ( SY503 = SV56 )
                        | ( SY503 = SV100 ) )
                    | ( in @ SY503 @ SV118 ) ) )
        | ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[775]) ).

thf(852,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ( SV119
         != ( set_difference @ SV58 @ SV102 ) )
        | ! [SY504: $i] :
            ~ ( ~ ( ~ ( in @ SY504 @ SV119 )
                  | ~ ( ~ ( in @ SY504 @ SV58 )
                      | ~ ~ ( in @ SY504 @ SV102 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SY504 @ SV58 )
                        | ~ ~ ( in @ SY504 @ SV102 ) )
                  | ( in @ SY504 @ SV119 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[776]) ).

thf(853,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ~ ! [SY505: $i] :
              ~ ( ~ ( ~ ( in @ SY505 @ SV119 )
                    | ~ ( ~ ( in @ SY505 @ SV58 )
                        | ~ ~ ( in @ SY505 @ SV102 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY505 @ SV58 )
                          | ~ ~ ( in @ SY505 @ SV102 ) )
                    | ( in @ SY505 @ SV119 ) ) )
        | ( SV119
          = ( set_difference @ SV58 @ SV102 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[777]) ).

thf(854,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV59 @ SV103 )
                | ~ ( element @ SV103 @ ( powerset @ SV120 ) ) ) )
        = $true )
      | ( ( ~ ( empty @ SV120 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[778]) ).

thf(855,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ( SV121
         != ( set_intersection2 @ SV60 @ SV104 ) )
        | ! [SY506: $i] :
            ~ ( ~ ( ~ ( in @ SY506 @ SV121 )
                  | ~ ( ~ ( in @ SY506 @ SV60 )
                      | ~ ( in @ SY506 @ SV104 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SY506 @ SV60 )
                        | ~ ( in @ SY506 @ SV104 ) )
                  | ( in @ SY506 @ SV121 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[779]) ).

thf(856,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ~ ! [SY507: $i] :
              ~ ( ~ ( ~ ( in @ SY507 @ SV121 )
                    | ~ ( ~ ( in @ SY507 @ SV60 )
                        | ~ ( in @ SY507 @ SV104 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY507 @ SV60 )
                          | ~ ( in @ SY507 @ SV104 ) )
                    | ( in @ SY507 @ SV121 ) ) )
        | ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[780]) ).

thf(857,plain,
    ! [SV105: $i,SV61: $i] :
      ( ( ( in @ SV61 @ SV105 )
        = $false )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[781]) ).

thf(858,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ~ ( disjoint @ SV3 @ SV63 )
        | ~ ! [SY404: $i] :
              ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[782]) ).

thf(859,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ~ ~ ! [SY405: $i] :
                ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) )
        | ~ ( disjoint @ SV3 @ SV63 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[783]) ).

thf(860,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) ) )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[784]) ).

thf(861,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( relation @ SV66 )
        = $false )
      | ( ( ~ ( function @ SV66 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV66
                   != ( identity_relation @ SV6 ) )
                  | ~ ( ( ( relation_dom @ SV66 )
                       != SV6 )
                      | ~ ! [SY407: $i] :
                            ( ~ ( in @ SY407 @ SV6 )
                            | ( ( apply @ SV66 @ SY407 )
                              = SY407 ) ) ) )
              | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                         != SV6 )
                        | ~ ! [SY408: $i] :
                              ( ~ ( in @ SY408 @ SV6 )
                              | ( ( apply @ SV66 @ SY408 )
                                = SY408 ) ) )
                  | ( SV66
                    = ( identity_relation @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[785]) ).

thf(862,plain,
    ! [SV122: $i,SV106: $i,SV67: $i,SV7: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        | ~ ( ~ ( in @ SV7 @ SV106 )
            | ~ ( in @ SV67 @ SV122 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[786]) ).

thf(863,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ~ ~ ( ~ ( in @ SV7 @ SV106 )
              | ~ ( in @ SV67 @ SV122 ) )
        | ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[787]) ).

thf(864,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( ~ ( ( SV8 != SV123 )
              | ! [SY508: $i,SY509: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                        | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                        | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) )
          | ~ ( ~ ! [SY510: $i,SY511: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                          | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                      | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                          | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) )
              | ( SV8 = SV123 ) ) )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[788]) ).

thf(865,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ( subset @ ( singleton @ SV9 ) @ SV68 )
        = $false )
      | ( ( in @ SV9 @ SV68 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[789]) ).

thf(866,plain,
    ! [SV68: $i,SV9: $i] :
      ( ( ( in @ SV9 @ SV68 )
        = $false )
      | ( ( subset @ ( singleton @ SV9 ) @ SV68 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[790]) ).

thf(867,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ( relation @ SV139 )
          | ~ ( ~ ( ( SV139
                   != ( relation_composition @ SV10 @ SV124 ) )
                  | ! [SY581: $i,SY582: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                            | ~ ! [SY515: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                                      | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                        | ~ ( ~ ~ ! [SY516: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                        | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                            | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) )
              | ~ ( ~ ! [SY585: $i,SY586: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                              | ~ ! [SY519: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                                        | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                          | ~ ( ~ ~ ! [SY520: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                          | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                              | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) )
                  | ( SV139
                    = ( relation_composition @ SV10 @ SV124 ) ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[791]) ).

thf(868,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ( SV107
         != ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true )
      | ( ( ! [SY478: $i] :
              ~ ( ~ ( ~ ( in @ SY478 @ SV107 )
                    | ~ ! [SY413: $i] :
                          ~ ~ ! [SY414: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY413 @ SV11 )
                                          | ~ ( in @ SY414 @ SV69 ) )
                                    | ( SY478
                                     != ( ordered_pair @ SY413 @ SY414 ) ) ) )
                | ~ ( ~ ~ ! [SY415: $i] :
                            ~ ~ ! [SY416: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY415 @ SV11 )
                                            | ~ ( in @ SY416 @ SV69 ) )
                                      | ( SY478
                                       != ( ordered_pair @ SY415 @ SY416 ) ) )
                    | ( in @ SY478 @ SV107 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[792]) ).

thf(869,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ( ~ ! [SY483: $i] :
                ~ ( ~ ( ~ ( in @ SY483 @ SV107 )
                      | ~ ! [SY418: $i] :
                            ~ ~ ! [SY419: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY418 @ SV11 )
                                            | ~ ( in @ SY419 @ SV69 ) )
                                      | ( SY483
                                       != ( ordered_pair @ SY418 @ SY419 ) ) ) )
                  | ~ ( ~ ~ ! [SY420: $i] :
                              ~ ~ ! [SY421: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY420 @ SV11 )
                                              | ~ ( in @ SY421 @ SV69 ) )
                                        | ( SY483
                                         != ( ordered_pair @ SY420 @ SY421 ) ) )
                      | ( in @ SY483 @ SV107 ) ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[793]) ).

thf(870,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ( SV70
           != ( identity_relation @ SV12 ) )
          | ! [SY422: $i,SY423: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                    | ~ ( ~ ( in @ SY422 @ SV12 )
                        | ( SY422 != SY423 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                          | ( SY422 != SY423 ) )
                    | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[794]) ).

thf(871,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ~ ! [SY424: $i,SY425: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                      | ~ ( ~ ( in @ SY424 @ SV12 )
                          | ( SY424 != SY425 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                            | ( SY424 != SY425 ) )
                      | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) )
          | ( SV70
            = ( identity_relation @ SV12 ) ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[795]) ).

thf(872,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ( SV71
          = ( powerset @ SV13 ) )
        = $false )
      | ( ( ! [SY426: $i] :
              ~ ( ~ ( ~ ( in @ SY426 @ SV71 )
                    | ( subset @ SY426 @ SV13 ) )
                | ~ ( ~ ( subset @ SY426 @ SV13 )
                    | ( in @ SY426 @ SV71 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[796]) ).

thf(873,plain,
    ! [SV13: $i,SV71: $i] :
      ( ( ( ! [SY427: $i] :
              ~ ( ~ ( ~ ( in @ SY427 @ SV71 )
                    | ( subset @ SY427 @ SV13 ) )
                | ~ ( ~ ( subset @ SY427 @ SV13 )
                    | ( in @ SY427 @ SV71 ) ) ) )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[797]) ).

thf(874,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ~ ( ( SV134
               != ( relation_inverse_image @ SV14 @ SV125 ) )
              | ! [SY560: $i] :
                  ~ ( ~ ( ~ ( in @ SY560 @ SV134 )
                        | ~ ! [SY523: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY523 ) @ SV14 )
                                  | ~ ( in @ SY523 @ SV125 ) ) )
                    | ~ ( ~ ~ ! [SY524: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY524 ) @ SV14 )
                                    | ~ ( in @ SY524 @ SV125 ) )
                        | ( in @ SY560 @ SV134 ) ) ) ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[798]) ).

thf(875,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ~ ( ~ ! [SY563: $i] :
                    ~ ( ~ ( ~ ( in @ SY563 @ SV134 )
                          | ~ ! [SY526: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY526 ) @ SV14 )
                                    | ~ ( in @ SY526 @ SV125 ) ) )
                      | ~ ( ~ ~ ! [SY527: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY527 ) @ SV14 )
                                      | ~ ( in @ SY527 @ SV125 ) )
                          | ( in @ SY563 @ SV134 ) ) )
              | ( SV134
                = ( relation_inverse_image @ SV14 @ SV125 ) ) ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[798]) ).

thf(876,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ( SV126
           != ( relation_rng @ SV15 ) )
          | ! [SY528: $i] :
              ~ ( ~ ( ~ ( in @ SY528 @ SV126 )
                    | ~ ! [SY263: $i] :
                          ~ ( in @ ( ordered_pair @ SY263 @ SY528 ) @ SV15 ) )
                | ~ ( ~ ~ ! [SY264: $i] :
                            ~ ( in @ ( ordered_pair @ SY264 @ SY528 ) @ SV15 )
                    | ( in @ SY528 @ SV126 ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[799]) ).

thf(877,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ~ ! [SY531: $i] :
                ~ ( ~ ( ~ ( in @ SY531 @ SV126 )
                      | ~ ! [SY266: $i] :
                            ~ ( in @ ( ordered_pair @ SY266 @ SY531 ) @ SV15 ) )
                  | ~ ( ~ ~ ! [SY267: $i] :
                              ~ ( in @ ( ordered_pair @ SY267 @ SY531 ) @ SV15 )
                      | ( in @ SY531 @ SV126 ) ) )
          | ( SV126
            = ( relation_rng @ SV15 ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[800]) ).

thf(878,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ~ ( ~ ( subset @ SV16 @ SV127 )
              | ! [SY534: $i,SY535: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
                  | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) )
          | ~ ( ~ ! [SY536: $i,SY537: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
                    | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) )
              | ( subset @ SV16 @ SV127 ) ) )
        = $false )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[801]) ).

thf(879,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ( SV108
         != ( set_union2 @ SV17 @ SV72 ) )
        = $true )
      | ( ( ! [SY488: $i] :
              ~ ( ~ ( ~ ( in @ SY488 @ SV108 )
                    | ( in @ SY488 @ SV17 )
                    | ( in @ SY488 @ SV72 ) )
                | ~ ( ~ ( ( in @ SY488 @ SV17 )
                        | ( in @ SY488 @ SV72 ) )
                    | ( in @ SY488 @ SV108 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[802]) ).

thf(880,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ( ~ ! [SY489: $i] :
                ~ ( ~ ( ~ ( in @ SY489 @ SV108 )
                      | ( in @ SY489 @ SV17 )
                      | ( in @ SY489 @ SV72 ) )
                  | ~ ( ~ ( ( in @ SY489 @ SV17 )
                          | ( in @ SY489 @ SV72 ) )
                      | ( in @ SY489 @ SV108 ) ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[803]) ).

thf(881,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK7_SY277 @ SV18 ) @ ( sK8_SY580 @ SV18 ) ) @ SV18 ) )
        = $false )
      | ( ( SV18 = empty_set )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[804]) ).

thf(882,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( relation @ SV135 )
        = $false )
      | ( ( ~ ( ~ ( ( SV135
                   != ( relation_dom_restriction @ SV20 @ SV128 ) )
                  | ! [SY566: $i,SY567: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                            | ~ ( ~ ( in @ SY566 @ SV128 )
                                | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                                  | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                            | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) )
              | ~ ( ~ ! [SY568: $i,SY569: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                              | ~ ( ~ ( in @ SY568 @ SV128 )
                                  | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                                    | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                              | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) )
                  | ( SV135
                    = ( relation_dom_restriction @ SV20 @ SV128 ) ) ) ) )
        = $true )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[805]) ).

thf(883,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ~ ( disjoint @ SV21 @ SV74 )
        | ~ ! [SY431: $i] :
              ~ ~ ( ~ ( in @ SY431 @ SV21 )
                  | ~ ( in @ SY431 @ SV74 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[806]) ).

thf(884,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ~ ~ ! [SY432: $i] :
                ~ ~ ( ~ ( in @ SY432 @ SV21 )
                    | ~ ( in @ SY432 @ SV74 ) )
        | ~ ( disjoint @ SV21 @ SV74 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[807]) ).

thf(885,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
              | ~ ( ~ ( in @ SV22 @ SV75 )
                  | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[808]) ).

thf(886,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                    | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
              | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[808]) ).

thf(887,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
                  | ~ ! [SY490: $i,SY491: $i] :
                        ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                              | ~ ( subset @ SY491 @ SY490 ) )
                        | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
            | ~ ! [SY492: $i] :
                  ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
                  | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[809]) ).

thf(888,plain,
    ! [SV23: $i] :
      ( ( ! [SY493: $i] :
            ~ ~ ( ~ ~ ( ~ ( subset @ SY493 @ ( sK3_SY291 @ SV23 ) )
                      | ~ ~ ( are_equipotent @ SY493 @ ( sK3_SY291 @ SV23 ) ) )
                | ~ ~ ( in @ SY493 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[810]) ).

thf(889,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ( subset @ ( singleton @ SV25 ) @ SV77 )
        = $false )
      | ( ( in @ SV25 @ SV77 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[811]) ).

thf(890,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV77 )
        = $false )
      | ( ( subset @ ( singleton @ SV25 ) @ SV77 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[812]) ).

thf(891,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( SV26 != empty_set )
        = $false )
      | ( ( ~ ( ~ ( ( SV78
                   != ( set_meet @ SV26 ) )
                  | ! [SY434: $i] :
                      ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                            | ! [SY300: $i] :
                                ( ~ ( in @ SY300 @ SV26 )
                                | ( in @ SY434 @ SY300 ) ) )
                        | ~ ( ~ ! [SY301: $i] :
                                  ( ~ ( in @ SY301 @ SV26 )
                                  | ( in @ SY434 @ SY301 ) )
                            | ( in @ SY434 @ SV78 ) ) ) )
              | ~ ( ~ ! [SY437: $i] :
                        ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                              | ! [SY303: $i] :
                                  ( ~ ( in @ SY303 @ SV26 )
                                  | ( in @ SY437 @ SY303 ) ) )
                          | ~ ( ~ ! [SY304: $i] :
                                    ( ~ ( in @ SY304 @ SV26 )
                                    | ( in @ SY437 @ SY304 ) )
                              | ( in @ SY437 @ SV78 ) ) )
                  | ( SV78
                    = ( set_meet @ SV26 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[813]) ).

thf(892,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( SV26 = empty_set )
        = $false )
      | ( ( ~ ( ~ ( ( SV78
                   != ( set_meet @ SV26 ) )
                  | ( SV78 = empty_set ) )
              | ~ ( ( SV78 != empty_set )
                  | ( SV78
                    = ( set_meet @ SV26 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[814]) ).

thf(893,plain,
    ! [SV129: $i,SV110: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
              | ~ ( ~ ( in @ SV27 @ SV110 )
                  | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                    | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
              | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) ) ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[815]) ).

thf(894,plain,
    ! [SV130: $i,SV111: $i,SV81: $i,SV29: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        | ~ ( ~ ( in @ SV29 @ SV111 )
            | ~ ( in @ SV81 @ SV130 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[816]) ).

thf(895,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ~ ~ ( ~ ( in @ SV29 @ SV111 )
              | ~ ( in @ SV81 @ SV130 ) )
        | ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[817]) ).

thf(896,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( ( SV136
               != ( relation_image @ SV30 @ SV131 ) )
              | ! [SY570: $i] :
                  ~ ( ~ ( ~ ( in @ SY570 @ SV136 )
                        | ~ ! [SY545: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY545 @ SY570 ) @ SV30 )
                                  | ~ ( in @ SY545 @ SV131 ) ) )
                    | ~ ( ~ ~ ! [SY546: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY546 @ SY570 ) @ SV30 )
                                    | ~ ( in @ SY546 @ SV131 ) )
                        | ( in @ SY570 @ SV136 ) ) ) ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[818]) ).

thf(897,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( ~ ! [SY573: $i] :
                    ~ ( ~ ( ~ ( in @ SY573 @ SV136 )
                          | ~ ! [SY548: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY548 @ SY573 ) @ SV30 )
                                    | ~ ( in @ SY548 @ SV131 ) ) )
                      | ~ ( ~ ~ ! [SY549: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY549 @ SY573 ) @ SV30 )
                                      | ~ ( in @ SY549 @ SV131 ) )
                          | ( in @ SY573 @ SV136 ) ) )
              | ( SV136
                = ( relation_image @ SV30 @ SV131 ) ) ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[818]) ).

thf(898,plain,
    ! [SV112: $i,SV82: $i,SV31: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV31 @ SV112 )
              | ~ ( in @ SV82 @ SV112 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[819]) ).

thf(899,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV31 @ SV112 )
                | ~ ( in @ SV82 @ SV112 ) ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[820]) ).

thf(900,plain,
    ! [SV113: $i,SV83: $i,SV33: $i] :
      ( ( ( ~ ( in @ SV33 @ SV83 ) )
        = $true )
      | ( ( ~ ( element @ SV83 @ ( powerset @ SV113 ) ) )
        = $true )
      | ( ( element @ SV33 @ SV113 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[821]) ).

thf(901,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ( ~ ( empty @ SV34 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                  | ( in @ SV84 @ SV34 ) )
              | ~ ( ~ ( in @ SV84 @ SV34 )
                  | ( element @ SV84 @ SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[822]) ).

thf(902,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ( empty @ SV34 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                  | ( empty @ SV84 ) )
              | ~ ( ~ ( empty @ SV84 )
                  | ( element @ SV84 @ SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[823]) ).

thf(903,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV140 @ SV35 )
                | ~ ! [SY589: $i,SY590: $i] :
                      ( SV140
                     != ( ordered_pair @ SY589 @ SY590 ) ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[824]) ).

thf(904,plain,
    ! [SV35: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK9_SY328 @ SV35 ) @ SV35 )
                | ~ ! [SY591: $i,SY592: $i] :
                      ( ( sK9_SY328 @ SV35 )
                     != ( ordered_pair @ SY591 @ SY592 ) ) ) )
        = $false )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[825]) ).

thf(905,plain,
    ! [SV115: $i,SV86: $i,SV37: $i] :
      ( ( ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV37 @ ( relation_field @ SV115 ) )
              | ~ ( in @ SV86 @ ( relation_field @ SV115 ) ) ) )
        = $true )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[827]) ).

thf(906,plain,
    ! [SV38: $i,SV141: $i] :
      ( ( ( ~ ( in @ SV141 @ SV38 ) )
        = $true )
      | ( ( SV38 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[828]) ).

thf(907,plain,
    ! [SV38: $i] :
      ( ( ( ~ ( in @ ( sK10_SY336 @ SV38 ) @ SV38 ) )
        = $false )
      | ( ( SV38 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[829]) ).

thf(908,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( relation @ SV137 )
        = $false )
      | ( ( ~ ( ~ ( ( SV137
                   != ( relation_rng_restriction @ SV39 @ SV87 ) )
                  | ! [SY576: $i,SY577: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                            | ~ ( ~ ( in @ SY577 @ SV39 )
                                | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                                  | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                            | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) )
              | ~ ( ~ ! [SY578: $i,SY579: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                              | ~ ( ~ ( in @ SY579 @ SV39 )
                                  | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                                    | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                              | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) )
                  | ( SV137
                    = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) ) )
        = $true )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[830]) ).

thf(909,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ( SV88
          = ( singleton @ SV41 ) )
        = $false )
      | ( ( ! [SY453: $i] :
              ~ ( ~ ( ~ ( in @ SY453 @ SV88 )
                    | ( SY453 = SV41 ) )
                | ~ ( ( SY453 != SV41 )
                    | ( in @ SY453 @ SV88 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[831]) ).

thf(910,plain,
    ! [SV41: $i,SV88: $i] :
      ( ( ( ! [SY454: $i] :
              ~ ( ~ ( ~ ( in @ SY454 @ SV88 )
                    | ( SY454 = SV41 ) )
                | ~ ( ( SY454 != SV41 )
                    | ( in @ SY454 @ SV88 ) ) ) )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[832]) ).

thf(911,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ( SV89
          = ( union @ SV42 ) )
        = $false )
      | ( ( ! [SY455: $i] :
              ~ ( ~ ( ~ ( in @ SY455 @ SV89 )
                    | ~ ! [SY348: $i] :
                          ~ ~ ( ~ ( in @ SY455 @ SY348 )
                              | ~ ( in @ SY348 @ SV42 ) ) )
                | ~ ( ~ ~ ! [SY349: $i] :
                            ~ ~ ( ~ ( in @ SY455 @ SY349 )
                                | ~ ( in @ SY349 @ SV42 ) )
                    | ( in @ SY455 @ SV89 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[833]) ).

thf(912,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ( ! [SY458: $i] :
              ~ ( ~ ( ~ ( in @ SY458 @ SV89 )
                    | ~ ! [SY351: $i] :
                          ~ ~ ( ~ ( in @ SY458 @ SY351 )
                              | ~ ( in @ SY351 @ SV42 ) ) )
                | ~ ( ~ ~ ! [SY352: $i] :
                            ~ ~ ( ~ ( in @ SY458 @ SY352 )
                                | ~ ( in @ SY352 @ SV42 ) )
                    | ( in @ SY458 @ SV89 ) ) ) )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[834]) ).

thf(913,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( ~ ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
              | ~ ( ~ ( in @ SV43 @ SV90 )
                  | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[835]) ).

thf(914,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                    | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
              | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[835]) ).

thf(915,plain,
    ! [SV91: $i,SV44: $i] :
      ( ( ( in @ SV44 @ SV91 )
        = $false )
      | ( ( disjoint @ ( singleton @ SV44 ) @ SV91 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[836]) ).

thf(916,plain,
    ! [SV46: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ! [SY496: $i,SY497: $i] :
                        ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                              | ~ ( subset @ SY497 @ SY496 ) )
                        | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
            | ~ ! [SY498: $i] :
                  ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                      | ~ ! [SY499: $i] :
                            ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                                | ~ ! [SX4: $i] :
                                      ( ~ ( subset @ SX4 @ SY498 )
                                      | ( in @ SX4 @ SY499 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[837]) ).

thf(917,plain,
    ! [SV46: $i] :
      ( ( ! [SY501: $i] :
            ~ ~ ( ~ ~ ( ~ ( subset @ SY501 @ ( sK4_SY357 @ SV46 ) )
                      | ~ ~ ( are_equipotent @ SY501 @ ( sK4_SY357 @ SV46 ) ) )
                | ~ ~ ( in @ SY501 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[838]) ).

thf(918,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ( SV132
           != ( relation_dom @ SV47 ) )
          | ! [SY550: $i] :
              ~ ( ~ ( ~ ( in @ SY550 @ SV132 )
                    | ~ ! [SY366: $i] :
                          ~ ( in @ ( ordered_pair @ SY550 @ SY366 ) @ SV47 ) )
                | ~ ( ~ ~ ! [SY367: $i] :
                            ~ ( in @ ( ordered_pair @ SY550 @ SY367 ) @ SV47 )
                    | ( in @ SY550 @ SV132 ) ) ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[839]) ).

thf(919,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ~ ! [SY553: $i] :
                ~ ( ~ ( ~ ( in @ SY553 @ SV132 )
                      | ~ ! [SY369: $i] :
                            ~ ( in @ ( ordered_pair @ SY553 @ SY369 ) @ SV47 ) )
                  | ~ ( ~ ~ ! [SY370: $i] :
                              ~ ( in @ ( ordered_pair @ SY553 @ SY370 ) @ SV47 )
                      | ( in @ SY553 @ SV132 ) ) )
          | ( SV132
            = ( relation_dom @ SV47 ) ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[840]) ).

thf(920,plain,
    ! [SV48: $i,SV93: $i] :
      ( ( ( in @ ( sK6_SY462 @ SV93 @ SV48 ) @ SV48 )
        = $true )
      | ( ( element @ SV48 @ ( powerset @ SV93 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[841]) ).

thf(921,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133
               != ( relation_inverse @ SV49 ) )
              | ! [SY556: $i,SY557: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                        | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                        | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) )
          | ~ ( ~ ! [SY558: $i,SY559: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                          | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                      | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                          | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) )
              | ( SV133
                = ( relation_inverse @ SV49 ) ) ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[843]) ).

thf(922,plain,
    ! [SV94: $i,SV50: $i] :
      ( ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
          = SV50 )
        = $false )
      | ( ( ~ ( in @ SV94 @ SV50 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[844]) ).

thf(923,plain,
    ! [SV50: $i,SV94: $i] :
      ( ( ( ~ ( in @ SV94 @ SV50 ) )
        = $false )
      | ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
          = SV50 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[845]) ).

thf(924,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ( subset @ SV53 @ SV97 )
        = $false )
      | ( ( ! [SY463: $i] :
              ( ~ ( in @ SY463 @ SV53 )
              | ( in @ SY463 @ SV97 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[846]) ).

thf(925,plain,
    ! [SV97: $i,SV53: $i] :
      ( ( ( ! [SY464: $i] :
              ( ~ ( in @ SY464 @ SV53 )
              | ( in @ SY464 @ SV97 ) ) )
        = $false )
      | ( ( subset @ SV53 @ SV97 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[847]) ).

thf(926,plain,
    ! [SV117: $i,SV54: $i,SV98: $i] :
      ( ( ( ~ ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) )
          | ~ ( in @ SV98 @ SV117 ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV54 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[848]) ).

thf(927,plain,
    ! [SV55: $i,SV99: $i,SV138: $i] :
      ( ( ( in @ SV138 @ SV99 )
        = $false )
      | ( ( in @ SV138 @ SV55 )
        = $true )
      | ( ( element @ SV99 @ ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[849]) ).

thf(928,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ( SV118
         != ( unordered_pair @ SV56 @ SV100 ) )
        = $true )
      | ( ( ! [SY502: $i] :
              ~ ( ~ ( ~ ( in @ SY502 @ SV118 )
                    | ( SY502 = SV56 )
                    | ( SY502 = SV100 ) )
                | ~ ( ~ ( ( SY502 = SV56 )
                        | ( SY502 = SV100 ) )
                    | ( in @ SY502 @ SV118 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[850]) ).

thf(929,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ( ~ ! [SY503: $i] :
                ~ ( ~ ( ~ ( in @ SY503 @ SV118 )
                      | ( SY503 = SV56 )
                      | ( SY503 = SV100 ) )
                  | ~ ( ~ ( ( SY503 = SV56 )
                          | ( SY503 = SV100 ) )
                      | ( in @ SY503 @ SV118 ) ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[851]) ).

thf(930,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ( SV119
         != ( set_difference @ SV58 @ SV102 ) )
        = $true )
      | ( ( ! [SY504: $i] :
              ~ ( ~ ( ~ ( in @ SY504 @ SV119 )
                    | ~ ( ~ ( in @ SY504 @ SV58 )
                        | ~ ~ ( in @ SY504 @ SV102 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY504 @ SV58 )
                          | ~ ~ ( in @ SY504 @ SV102 ) )
                    | ( in @ SY504 @ SV119 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[852]) ).

thf(931,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ( ~ ! [SY505: $i] :
                ~ ( ~ ( ~ ( in @ SY505 @ SV119 )
                      | ~ ( ~ ( in @ SY505 @ SV58 )
                          | ~ ~ ( in @ SY505 @ SV102 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY505 @ SV58 )
                            | ~ ~ ( in @ SY505 @ SV102 ) )
                      | ( in @ SY505 @ SV119 ) ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[853]) ).

thf(932,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ( ~ ( ~ ( in @ SV59 @ SV103 )
              | ~ ( element @ SV103 @ ( powerset @ SV120 ) ) ) )
        = $false )
      | ( ( ~ ( empty @ SV120 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[854]) ).

thf(933,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ( SV121
         != ( set_intersection2 @ SV60 @ SV104 ) )
        = $true )
      | ( ( ! [SY506: $i] :
              ~ ( ~ ( ~ ( in @ SY506 @ SV121 )
                    | ~ ( ~ ( in @ SY506 @ SV60 )
                        | ~ ( in @ SY506 @ SV104 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY506 @ SV60 )
                          | ~ ( in @ SY506 @ SV104 ) )
                    | ( in @ SY506 @ SV121 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[855]) ).

thf(934,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ( ~ ! [SY507: $i] :
                ~ ( ~ ( ~ ( in @ SY507 @ SV121 )
                      | ~ ( ~ ( in @ SY507 @ SV60 )
                          | ~ ( in @ SY507 @ SV104 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY507 @ SV60 )
                            | ~ ( in @ SY507 @ SV104 ) )
                      | ( in @ SY507 @ SV121 ) ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[856]) ).

thf(935,plain,
    ! [SV61: $i,SV105: $i] :
      ( ( ( empty @ SV105 )
        = $false )
      | ( ( in @ SV61 @ SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[857]) ).

thf(936,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ( ~ ~ ( disjoint @ SV3 @ SV63 ) )
        = $true )
      | ( ( ~ ! [SY404: $i] :
                ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[858]) ).

thf(937,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ( ~ ~ ! [SY405: $i] :
                  ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV3 @ SV63 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[859]) ).

thf(938,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
          | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) ) )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[860]) ).

thf(939,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( function @ SV66 )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( ~ ( ~ ( ( SV66
                   != ( identity_relation @ SV6 ) )
                  | ~ ( ( ( relation_dom @ SV66 )
                       != SV6 )
                      | ~ ! [SY407: $i] :
                            ( ~ ( in @ SY407 @ SV6 )
                            | ( ( apply @ SV66 @ SY407 )
                              = SY407 ) ) ) )
              | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                         != SV6 )
                        | ~ ! [SY408: $i] :
                              ( ~ ( in @ SY408 @ SV6 )
                              | ( ( apply @ SV66 @ SY408 )
                                = SY408 ) ) )
                  | ( SV66
                    = ( identity_relation @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[861]) ).

thf(940,plain,
    ! [SV122: $i,SV106: $i,SV67: $i,SV7: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV7 @ SV106 )
              | ~ ( in @ SV67 @ SV122 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[862]) ).

thf(941,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV7 @ SV106 )
                | ~ ( in @ SV67 @ SV122 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[863]) ).

thf(942,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( ~ ( ( SV8 != SV123 )
              | ! [SY508: $i,SY509: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                        | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                        | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) ) )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[864]) ).

thf(943,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( ~ ( ~ ! [SY510: $i,SY511: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                          | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                      | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                          | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) )
              | ( SV8 = SV123 ) ) )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[864]) ).

thf(944,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ( relation @ SV139 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV139
                   != ( relation_composition @ SV10 @ SV124 ) )
                  | ! [SY581: $i,SY582: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                            | ~ ! [SY515: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                                      | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                        | ~ ( ~ ~ ! [SY516: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                        | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                            | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) )
              | ~ ( ~ ! [SY585: $i,SY586: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                              | ~ ! [SY519: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                                        | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                          | ~ ( ~ ~ ! [SY520: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                          | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                              | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) )
                  | ( SV139
                    = ( relation_composition @ SV10 @ SV124 ) ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[867]) ).

thf(945,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false )
      | ( ( ! [SY478: $i] :
              ~ ( ~ ( ~ ( in @ SY478 @ SV107 )
                    | ~ ! [SY413: $i] :
                          ~ ~ ! [SY414: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY413 @ SV11 )
                                          | ~ ( in @ SY414 @ SV69 ) )
                                    | ( SY478
                                     != ( ordered_pair @ SY413 @ SY414 ) ) ) )
                | ~ ( ~ ~ ! [SY415: $i] :
                            ~ ~ ! [SY416: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY415 @ SV11 )
                                            | ~ ( in @ SY416 @ SV69 ) )
                                      | ( SY478
                                       != ( ordered_pair @ SY415 @ SY416 ) ) )
                    | ( in @ SY478 @ SV107 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[868]) ).

thf(946,plain,
    ! [SV69: $i,SV11: $i,SV107: $i] :
      ( ( ( ! [SY483: $i] :
              ~ ( ~ ( ~ ( in @ SY483 @ SV107 )
                    | ~ ! [SY418: $i] :
                          ~ ~ ! [SY419: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY418 @ SV11 )
                                          | ~ ( in @ SY419 @ SV69 ) )
                                    | ( SY483
                                     != ( ordered_pair @ SY418 @ SY419 ) ) ) )
                | ~ ( ~ ~ ! [SY420: $i] :
                            ~ ~ ! [SY421: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY420 @ SV11 )
                                            | ~ ( in @ SY421 @ SV69 ) )
                                      | ( SY483
                                       != ( ordered_pair @ SY420 @ SY421 ) ) )
                    | ( in @ SY483 @ SV107 ) ) ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[869]) ).

thf(947,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( SV70
         != ( identity_relation @ SV12 ) )
        = $true )
      | ( ( ! [SY422: $i,SY423: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                    | ~ ( ~ ( in @ SY422 @ SV12 )
                        | ( SY422 != SY423 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                          | ( SY422 != SY423 ) )
                    | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[870]) ).

thf(948,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ~ ! [SY424: $i,SY425: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                      | ~ ( ~ ( in @ SY424 @ SV12 )
                          | ( SY424 != SY425 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                            | ( SY424 != SY425 ) )
                      | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[871]) ).

thf(949,plain,
    ! [SV13: $i,SV71: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV142 @ SV71 )
                  | ( subset @ SV142 @ SV13 ) )
              | ~ ( ~ ( subset @ SV142 @ SV13 )
                  | ( in @ SV142 @ SV71 ) ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[872]) ).

thf(950,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
                  | ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 ) )
              | ~ ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
                  | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) ) ) )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[873]) ).

thf(951,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ( SV134
           != ( relation_inverse_image @ SV14 @ SV125 ) )
          | ! [SY560: $i] :
              ~ ( ~ ( ~ ( in @ SY560 @ SV134 )
                    | ~ ! [SY523: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY523 ) @ SV14 )
                              | ~ ( in @ SY523 @ SV125 ) ) )
                | ~ ( ~ ~ ! [SY524: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY524 ) @ SV14 )
                                | ~ ( in @ SY524 @ SV125 ) )
                    | ( in @ SY560 @ SV134 ) ) ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[874]) ).

thf(952,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ~ ! [SY563: $i] :
                ~ ( ~ ( ~ ( in @ SY563 @ SV134 )
                      | ~ ! [SY526: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY526 ) @ SV14 )
                                | ~ ( in @ SY526 @ SV125 ) ) )
                  | ~ ( ~ ~ ! [SY527: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY527 ) @ SV14 )
                                  | ~ ( in @ SY527 @ SV125 ) )
                      | ( in @ SY563 @ SV134 ) ) )
          | ( SV134
            = ( relation_inverse_image @ SV14 @ SV125 ) ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[875]) ).

thf(953,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( SV126
         != ( relation_rng @ SV15 ) )
        = $true )
      | ( ( ! [SY528: $i] :
              ~ ( ~ ( ~ ( in @ SY528 @ SV126 )
                    | ~ ! [SY263: $i] :
                          ~ ( in @ ( ordered_pair @ SY263 @ SY528 ) @ SV15 ) )
                | ~ ( ~ ~ ! [SY264: $i] :
                            ~ ( in @ ( ordered_pair @ SY264 @ SY528 ) @ SV15 )
                    | ( in @ SY528 @ SV126 ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[876]) ).

thf(954,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ~ ! [SY531: $i] :
                ~ ( ~ ( ~ ( in @ SY531 @ SV126 )
                      | ~ ! [SY266: $i] :
                            ~ ( in @ ( ordered_pair @ SY266 @ SY531 ) @ SV15 ) )
                  | ~ ( ~ ~ ! [SY267: $i] :
                              ~ ( in @ ( ordered_pair @ SY267 @ SY531 ) @ SV15 )
                      | ( in @ SY531 @ SV126 ) ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[877]) ).

thf(955,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ~ ( ~ ( subset @ SV16 @ SV127 )
              | ! [SY534: $i,SY535: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
                  | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) ) )
        = $false )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[878]) ).

thf(956,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ~ ( ~ ! [SY536: $i,SY537: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
                    | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) )
              | ( subset @ SV16 @ SV127 ) ) )
        = $false )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[878]) ).

thf(957,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false )
      | ( ( ! [SY488: $i] :
              ~ ( ~ ( ~ ( in @ SY488 @ SV108 )
                    | ( in @ SY488 @ SV17 )
                    | ( in @ SY488 @ SV72 ) )
                | ~ ( ~ ( ( in @ SY488 @ SV17 )
                        | ( in @ SY488 @ SV72 ) )
                    | ( in @ SY488 @ SV108 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[879]) ).

thf(958,plain,
    ! [SV72: $i,SV17: $i,SV108: $i] :
      ( ( ( ! [SY489: $i] :
              ~ ( ~ ( ~ ( in @ SY489 @ SV108 )
                    | ( in @ SY489 @ SV17 )
                    | ( in @ SY489 @ SV72 ) )
                | ~ ( ~ ( ( in @ SY489 @ SV17 )
                        | ( in @ SY489 @ SV72 ) )
                    | ( in @ SY489 @ SV108 ) ) ) )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[880]) ).

thf(959,plain,
    ! [SV18: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK7_SY277 @ SV18 ) @ ( sK8_SY580 @ SV18 ) ) @ SV18 )
        = $true )
      | ( ( SV18 = empty_set )
        = $true )
      | ( ( relation @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[881]) ).

thf(960,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( ~ ( ( SV135
               != ( relation_dom_restriction @ SV20 @ SV128 ) )
              | ! [SY566: $i,SY567: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                        | ~ ( ~ ( in @ SY566 @ SV128 )
                            | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                              | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                        | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) )
          | ~ ( ~ ! [SY568: $i,SY569: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                          | ~ ( ~ ( in @ SY568 @ SV128 )
                              | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                                | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                          | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) )
              | ( SV135
                = ( relation_dom_restriction @ SV20 @ SV128 ) ) ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[882]) ).

thf(961,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ( ~ ~ ( disjoint @ SV21 @ SV74 ) )
        = $true )
      | ( ( ~ ! [SY431: $i] :
                ~ ~ ( ~ ( in @ SY431 @ SV21 )
                    | ~ ( in @ SY431 @ SV74 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[883]) ).

thf(962,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ( ~ ~ ! [SY432: $i] :
                  ~ ~ ( ~ ( in @ SY432 @ SV21 )
                      | ~ ( in @ SY432 @ SV74 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[884]) ).

thf(963,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
          | ~ ( ~ ( in @ SV22 @ SV75 )
              | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[885]) ).

thf(964,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
          | ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[886]) ).

thf(965,plain,
    ! [SV23: $i] :
      ( ( ~ ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
              | ~ ! [SY490: $i,SY491: $i] :
                    ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                          | ~ ( subset @ SY491 @ SY490 ) )
                    | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
        | ~ ! [SY492: $i] :
              ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
              | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[887]) ).

thf(966,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
                    | ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
              | ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[888]) ).

thf(967,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( SV26 = empty_set )
        = $true )
      | ( ( ~ ( ~ ( ( SV78
                   != ( set_meet @ SV26 ) )
                  | ! [SY434: $i] :
                      ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                            | ! [SY300: $i] :
                                ( ~ ( in @ SY300 @ SV26 )
                                | ( in @ SY434 @ SY300 ) ) )
                        | ~ ( ~ ! [SY301: $i] :
                                  ( ~ ( in @ SY301 @ SV26 )
                                  | ( in @ SY434 @ SY301 ) )
                            | ( in @ SY434 @ SV78 ) ) ) )
              | ~ ( ~ ! [SY437: $i] :
                        ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                              | ! [SY303: $i] :
                                  ( ~ ( in @ SY303 @ SV26 )
                                  | ( in @ SY437 @ SY303 ) ) )
                          | ~ ( ~ ! [SY304: $i] :
                                    ( ~ ( in @ SY304 @ SV26 )
                                    | ( in @ SY437 @ SY304 ) )
                              | ( in @ SY437 @ SV78 ) ) )
                  | ( SV78
                    = ( set_meet @ SV26 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[891]) ).

thf(968,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( ( SV78
               != ( set_meet @ SV26 ) )
              | ( SV78 = empty_set ) )
          | ~ ( ( SV78 != empty_set )
              | ( SV78
                = ( set_meet @ SV26 ) ) ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[892]) ).

thf(969,plain,
    ! [SV129: $i,SV110: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
              | ~ ( ~ ( in @ SV27 @ SV110 )
                  | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[893]) ).

thf(970,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                    | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
              | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) ) ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[893]) ).

thf(971,plain,
    ! [SV130: $i,SV111: $i,SV81: $i,SV29: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV29 @ SV111 )
              | ~ ( in @ SV81 @ SV130 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[894]) ).

thf(972,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV29 @ SV111 )
                | ~ ( in @ SV81 @ SV130 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[895]) ).

thf(973,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ( SV136
           != ( relation_image @ SV30 @ SV131 ) )
          | ! [SY570: $i] :
              ~ ( ~ ( ~ ( in @ SY570 @ SV136 )
                    | ~ ! [SY545: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY545 @ SY570 ) @ SV30 )
                              | ~ ( in @ SY545 @ SV131 ) ) )
                | ~ ( ~ ~ ! [SY546: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY546 @ SY570 ) @ SV30 )
                                | ~ ( in @ SY546 @ SV131 ) )
                    | ( in @ SY570 @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[896]) ).

thf(974,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ! [SY573: $i] :
                ~ ( ~ ( ~ ( in @ SY573 @ SV136 )
                      | ~ ! [SY548: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY548 @ SY573 ) @ SV30 )
                                | ~ ( in @ SY548 @ SV131 ) ) )
                  | ~ ( ~ ~ ! [SY549: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY549 @ SY573 ) @ SV30 )
                                  | ~ ( in @ SY549 @ SV131 ) )
                      | ( in @ SY573 @ SV136 ) ) )
          | ( SV136
            = ( relation_image @ SV30 @ SV131 ) ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[897]) ).

thf(975,plain,
    ! [SV112: $i,SV82: $i,SV31: $i] :
      ( ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV31 @ SV112 )
              | ~ ( in @ SV82 @ SV112 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[898]) ).

thf(976,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( ~ ( ~ ( in @ SV31 @ SV112 )
              | ~ ( in @ SV82 @ SV112 ) ) )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[899]) ).

thf(977,plain,
    ! [SV113: $i,SV83: $i,SV33: $i] :
      ( ( ( in @ SV33 @ SV83 )
        = $false )
      | ( ( ~ ( element @ SV83 @ ( powerset @ SV113 ) ) )
        = $true )
      | ( ( element @ SV33 @ SV113 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[900]) ).

thf(978,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ( empty @ SV34 )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV84 @ SV34 )
                  | ( in @ SV84 @ SV34 ) )
              | ~ ( ~ ( in @ SV84 @ SV34 )
                  | ( element @ SV84 @ SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[901]) ).

thf(979,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( ~ ( element @ SV84 @ SV34 )
              | ( empty @ SV84 ) )
          | ~ ( ~ ( empty @ SV84 )
              | ( element @ SV84 @ SV34 ) ) )
        = $false )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[902]) ).

thf(980,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( ~ ( ~ ( in @ SV140 @ SV35 )
              | ~ ! [SY589: $i,SY590: $i] :
                    ( SV140
                   != ( ordered_pair @ SY589 @ SY590 ) ) ) )
        = $false )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[903]) ).

thf(981,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK9_SY328 @ SV35 ) @ SV35 )
              | ~ ! [SY591: $i,SY592: $i] :
                    ( ( sK9_SY328 @ SV35 )
                   != ( ordered_pair @ SY591 @ SY592 ) ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[904]) ).

thf(982,plain,
    ! [SV86: $i,SV115: $i,SV37: $i] :
      ( ( ( ~ ( in @ SV37 @ ( relation_field @ SV115 ) )
          | ~ ( in @ SV86 @ ( relation_field @ SV115 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[905]) ).

thf(983,plain,
    ! [SV38: $i,SV141: $i] :
      ( ( ( in @ SV141 @ SV38 )
        = $false )
      | ( ( SV38 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[906]) ).

thf(984,plain,
    ! [SV38: $i] :
      ( ( ( in @ ( sK10_SY336 @ SV38 ) @ SV38 )
        = $true )
      | ( ( SV38 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[907]) ).

thf(985,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( ( SV137
               != ( relation_rng_restriction @ SV39 @ SV87 ) )
              | ! [SY576: $i,SY577: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                        | ~ ( ~ ( in @ SY577 @ SV39 )
                            | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                              | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                        | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) )
          | ~ ( ~ ! [SY578: $i,SY579: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                          | ~ ( ~ ( in @ SY579 @ SV39 )
                              | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                                | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                          | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) )
              | ( SV137
                = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[908]) ).

thf(986,plain,
    ! [SV41: $i,SV88: $i,SV144: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV144 @ SV88 )
                  | ( SV144 = SV41 ) )
              | ~ ( ( SV144 != SV41 )
                  | ( in @ SV144 @ SV88 ) ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[909]) ).

thf(987,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
                  | ( ( sK12_SY454 @ SV41 @ SV88 )
                    = SV41 ) )
              | ~ ( ( ( sK12_SY454 @ SV41 @ SV88 )
                   != SV41 )
                  | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) ) ) )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[910]) ).

thf(988,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV145 @ SV89 )
                  | ~ ! [SY593: $i] :
                        ~ ~ ( ~ ( in @ SV145 @ SY593 )
                            | ~ ( in @ SY593 @ SV42 ) ) )
              | ~ ( ~ ~ ! [SY594: $i] :
                          ~ ~ ( ~ ( in @ SV145 @ SY594 )
                              | ~ ( in @ SY594 @ SV42 ) )
                  | ( in @ SV145 @ SV89 ) ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[911]) ).

thf(989,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
                  | ~ ! [SY595: $i] :
                        ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY595 )
                            | ~ ( in @ SY595 @ SV42 ) ) )
              | ~ ( ~ ~ ! [SY596: $i] :
                          ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                              | ~ ( in @ SY596 @ SV42 ) )
                  | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) ) )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[912]) ).

thf(990,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
          | ~ ( ~ ( in @ SV43 @ SV90 )
              | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[913]) ).

thf(991,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
          | ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[914]) ).

thf(992,plain,
    ! [SV46: $i] :
      ( ( ~ ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
              | ~ ! [SY496: $i,SY497: $i] :
                    ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                          | ~ ( subset @ SY497 @ SY496 ) )
                    | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
        | ~ ! [SY498: $i] :
              ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ! [SY499: $i] :
                        ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                            | ~ ! [SX4: $i] :
                                  ( ~ ( subset @ SX4 @ SY498 )
                                  | ( in @ SX4 @ SY499 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[916]) ).

thf(993,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
                    | ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
              | ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[917]) ).

thf(994,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( SV132
         != ( relation_dom @ SV47 ) )
        = $true )
      | ( ( ! [SY550: $i] :
              ~ ( ~ ( ~ ( in @ SY550 @ SV132 )
                    | ~ ! [SY366: $i] :
                          ~ ( in @ ( ordered_pair @ SY550 @ SY366 ) @ SV47 ) )
                | ~ ( ~ ~ ! [SY367: $i] :
                            ~ ( in @ ( ordered_pair @ SY550 @ SY367 ) @ SV47 )
                    | ( in @ SY550 @ SV132 ) ) ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[918]) ).

thf(995,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ~ ! [SY553: $i] :
                ~ ( ~ ( ~ ( in @ SY553 @ SV132 )
                      | ~ ! [SY369: $i] :
                            ~ ( in @ ( ordered_pair @ SY553 @ SY369 ) @ SV47 ) )
                  | ~ ( ~ ~ ! [SY370: $i] :
                              ~ ( in @ ( ordered_pair @ SY553 @ SY370 ) @ SV47 )
                      | ( in @ SY553 @ SV132 ) ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[919]) ).

thf(996,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133
               != ( relation_inverse @ SV49 ) )
              | ! [SY556: $i,SY557: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                        | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                    | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                        | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[921]) ).

thf(997,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( ~ ! [SY558: $i,SY559: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                          | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                      | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                          | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) )
              | ( SV133
                = ( relation_inverse @ SV49 ) ) ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[921]) ).

thf(998,plain,
    ! [SV50: $i,SV94: $i] :
      ( ( ( in @ SV94 @ SV50 )
        = $false )
      | ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
          = SV50 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[922]) ).

thf(999,plain,
    ! [SV50: $i,SV94: $i] :
      ( ( ( in @ SV94 @ SV50 )
        = $true )
      | ( ( ( set_difference @ SV50 @ ( singleton @ SV94 ) )
          = SV50 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[923]) ).

thf(1000,plain,
    ! [SV97: $i,SV53: $i,SV147: $i] :
      ( ( ( ~ ( in @ SV147 @ SV53 )
          | ( in @ SV147 @ SV97 ) )
        = $true )
      | ( ( subset @ SV53 @ SV97 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[924]) ).

thf(1001,plain,
    ! [SV53: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK14_SY464 @ SV97 @ SV53 ) @ SV53 )
          | ( in @ ( sK14_SY464 @ SV97 @ SV53 ) @ SV97 ) )
        = $false )
      | ( ( subset @ SV53 @ SV97 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[925]) ).

thf(1002,plain,
    ! [SV117: $i,SV54: $i,SV98: $i] :
      ( ( ( ~ ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) ) )
        = $true )
      | ( ( ~ ( in @ SV98 @ SV117 ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV54 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[926]) ).

thf(1003,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false )
      | ( ( ! [SY502: $i] :
              ~ ( ~ ( ~ ( in @ SY502 @ SV118 )
                    | ( SY502 = SV56 )
                    | ( SY502 = SV100 ) )
                | ~ ( ~ ( ( SY502 = SV56 )
                        | ( SY502 = SV100 ) )
                    | ( in @ SY502 @ SV118 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[928]) ).

thf(1004,plain,
    ! [SV100: $i,SV56: $i,SV118: $i] :
      ( ( ( ! [SY503: $i] :
              ~ ( ~ ( ~ ( in @ SY503 @ SV118 )
                    | ( SY503 = SV56 )
                    | ( SY503 = SV100 ) )
                | ~ ( ~ ( ( SY503 = SV56 )
                        | ( SY503 = SV100 ) )
                    | ( in @ SY503 @ SV118 ) ) ) )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[929]) ).

thf(1005,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false )
      | ( ( ! [SY504: $i] :
              ~ ( ~ ( ~ ( in @ SY504 @ SV119 )
                    | ~ ( ~ ( in @ SY504 @ SV58 )
                        | ~ ~ ( in @ SY504 @ SV102 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY504 @ SV58 )
                          | ~ ~ ( in @ SY504 @ SV102 ) )
                    | ( in @ SY504 @ SV119 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[930]) ).

thf(1006,plain,
    ! [SV102: $i,SV58: $i,SV119: $i] :
      ( ( ( ! [SY505: $i] :
              ~ ( ~ ( ~ ( in @ SY505 @ SV119 )
                    | ~ ( ~ ( in @ SY505 @ SV58 )
                        | ~ ~ ( in @ SY505 @ SV102 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY505 @ SV58 )
                          | ~ ~ ( in @ SY505 @ SV102 ) )
                    | ( in @ SY505 @ SV119 ) ) ) )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[931]) ).

thf(1007,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ( ~ ( in @ SV59 @ SV103 )
          | ~ ( element @ SV103 @ ( powerset @ SV120 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV120 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[932]) ).

thf(1008,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false )
      | ( ( ! [SY506: $i] :
              ~ ( ~ ( ~ ( in @ SY506 @ SV121 )
                    | ~ ( ~ ( in @ SY506 @ SV60 )
                        | ~ ( in @ SY506 @ SV104 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY506 @ SV60 )
                          | ~ ( in @ SY506 @ SV104 ) )
                    | ( in @ SY506 @ SV121 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[933]) ).

thf(1009,plain,
    ! [SV104: $i,SV60: $i,SV121: $i] :
      ( ( ( ! [SY507: $i] :
              ~ ( ~ ( ~ ( in @ SY507 @ SV121 )
                    | ~ ( ~ ( in @ SY507 @ SV60 )
                        | ~ ( in @ SY507 @ SV104 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY507 @ SV60 )
                          | ~ ( in @ SY507 @ SV104 ) )
                    | ( in @ SY507 @ SV121 ) ) ) )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[934]) ).

thf(1010,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ( ~ ( disjoint @ SV3 @ SV63 ) )
        = $false )
      | ( ( ~ ! [SY404: $i] :
                ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[936]) ).

thf(1011,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ( ~ ! [SY405: $i] :
                ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $false )
      | ( ( ~ ( disjoint @ SV3 @ SV63 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[937]) ).

thf(1012,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) ) )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[938]) ).

thf(1013,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) ) )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[938]) ).

thf(1014,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( ( SV66
               != ( identity_relation @ SV6 ) )
              | ~ ( ( ( relation_dom @ SV66 )
                   != SV6 )
                  | ~ ! [SY407: $i] :
                        ( ~ ( in @ SY407 @ SV6 )
                        | ( ( apply @ SV66 @ SY407 )
                          = SY407 ) ) ) )
          | ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                     != SV6 )
                    | ~ ! [SY408: $i] :
                          ( ~ ( in @ SY408 @ SV6 )
                          | ( ( apply @ SV66 @ SY408 )
                            = SY408 ) ) )
              | ( SV66
                = ( identity_relation @ SV6 ) ) ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[939]) ).

thf(1015,plain,
    ! [SV122: $i,SV106: $i,SV67: $i,SV7: $i] :
      ( ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ SV7 @ SV106 )
              | ~ ( in @ SV67 @ SV122 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[940]) ).

thf(1016,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( ~ ( ~ ( in @ SV7 @ SV106 )
              | ~ ( in @ SV67 @ SV122 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[941]) ).

thf(1017,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( ( SV8 != SV123 )
          | ! [SY508: $i,SY509: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                    | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[942]) ).

thf(1018,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( ~ ! [SY510: $i,SY511: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                      | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                  | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                      | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) )
          | ( SV8 = SV123 ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[943]) ).

thf(1019,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( relation @ SV139 )
        = $false )
      | ( ( ~ ( ~ ( ( SV139
                   != ( relation_composition @ SV10 @ SV124 ) )
                  | ! [SY581: $i,SY582: $i] :
                      ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                            | ~ ! [SY515: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                                      | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                        | ~ ( ~ ~ ! [SY516: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                        | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                            | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) )
              | ~ ( ~ ! [SY585: $i,SY586: $i] :
                        ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                              | ~ ! [SY519: $i] :
                                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                                        | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                          | ~ ( ~ ~ ! [SY520: $i] :
                                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                          | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                              | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) )
                  | ( SV139
                    = ( relation_composition @ SV10 @ SV124 ) ) ) ) )
        = $true )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[944]) ).

thf(1020,plain,
    ! [SV69: $i,SV11: $i,SV107: $i,SV148: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV148 @ SV107 )
                  | ~ ! [SY597: $i] :
                        ~ ~ ! [SY598: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY597 @ SV11 )
                                        | ~ ( in @ SY598 @ SV69 ) )
                                  | ( SV148
                                   != ( ordered_pair @ SY597 @ SY598 ) ) ) )
              | ~ ( ~ ~ ! [SY599: $i] :
                          ~ ~ ! [SY600: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY599 @ SV11 )
                                          | ~ ( in @ SY600 @ SV69 ) )
                                    | ( SV148
                                     != ( ordered_pair @ SY599 @ SY600 ) ) )
                  | ( in @ SV148 @ SV107 ) ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[945]) ).

thf(1021,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
                  | ~ ! [SY601: $i] :
                        ~ ~ ! [SY602: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY601 @ SV11 )
                                        | ~ ( in @ SY602 @ SV69 ) )
                                  | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                   != ( ordered_pair @ SY601 @ SY602 ) ) ) )
              | ~ ( ~ ~ ! [SY603: $i] :
                          ~ ~ ! [SY604: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                          | ~ ( in @ SY604 @ SV69 ) )
                                    | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                     != ( ordered_pair @ SY603 @ SY604 ) ) )
                  | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[946]) ).

thf(1022,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( ! [SY422: $i,SY423: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 )
                    | ~ ( ~ ( in @ SY422 @ SV12 )
                        | ( SY422 != SY423 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY422 @ SV12 )
                          | ( SY422 != SY423 ) )
                    | ( in @ ( ordered_pair @ SY422 @ SY423 ) @ SV70 ) ) ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[947]) ).

thf(1023,plain,
    ! [SV12: $i,SV70: $i] :
      ( ( ( ! [SY424: $i,SY425: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 )
                    | ~ ( ~ ( in @ SY424 @ SV12 )
                        | ( SY424 != SY425 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY424 @ SV12 )
                          | ( SY424 != SY425 ) )
                    | ( in @ ( ordered_pair @ SY424 @ SY425 ) @ SV70 ) ) ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[948]) ).

thf(1024,plain,
    ! [SV13: $i,SV71: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( in @ SV142 @ SV71 )
              | ( subset @ SV142 @ SV13 ) )
          | ~ ( ~ ( subset @ SV142 @ SV13 )
              | ( in @ SV142 @ SV71 ) ) )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[949]) ).

thf(1025,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
              | ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 ) )
          | ~ ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
              | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[950]) ).

thf(1026,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( SV134
         != ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( ! [SY560: $i] :
              ~ ( ~ ( ~ ( in @ SY560 @ SV134 )
                    | ~ ! [SY523: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY523 ) @ SV14 )
                              | ~ ( in @ SY523 @ SV125 ) ) )
                | ~ ( ~ ~ ! [SY524: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY524 ) @ SV14 )
                                | ~ ( in @ SY524 @ SV125 ) )
                    | ( in @ SY560 @ SV134 ) ) ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[951]) ).

thf(1027,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ~ ! [SY563: $i] :
                ~ ( ~ ( ~ ( in @ SY563 @ SV134 )
                      | ~ ! [SY526: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY526 ) @ SV14 )
                                | ~ ( in @ SY526 @ SV125 ) ) )
                  | ~ ( ~ ~ ! [SY527: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY527 ) @ SV14 )
                                  | ~ ( in @ SY527 @ SV125 ) )
                      | ( in @ SY563 @ SV134 ) ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[952]) ).

thf(1028,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( ! [SY528: $i] :
              ~ ( ~ ( ~ ( in @ SY528 @ SV126 )
                    | ~ ! [SY263: $i] :
                          ~ ( in @ ( ordered_pair @ SY263 @ SY528 ) @ SV15 ) )
                | ~ ( ~ ~ ! [SY264: $i] :
                            ~ ( in @ ( ordered_pair @ SY264 @ SY528 ) @ SV15 )
                    | ( in @ SY528 @ SV126 ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[953]) ).

thf(1029,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ! [SY531: $i] :
              ~ ( ~ ( ~ ( in @ SY531 @ SV126 )
                    | ~ ! [SY266: $i] :
                          ~ ( in @ ( ordered_pair @ SY266 @ SY531 ) @ SV15 ) )
                | ~ ( ~ ~ ! [SY267: $i] :
                            ~ ( in @ ( ordered_pair @ SY267 @ SY531 ) @ SV15 )
                    | ( in @ SY531 @ SV126 ) ) ) )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[954]) ).

thf(1030,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ~ ( subset @ SV16 @ SV127 )
          | ! [SY534: $i,SY535: $i] :
              ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
              | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[955]) ).

thf(1031,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ~ ! [SY536: $i,SY537: $i] :
                ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
                | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) )
          | ( subset @ SV16 @ SV127 ) )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[956]) ).

thf(1032,plain,
    ! [SV72: $i,SV17: $i,SV108: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV149 @ SV108 )
                  | ( in @ SV149 @ SV17 )
                  | ( in @ SV149 @ SV72 ) )
              | ~ ( ~ ( ( in @ SV149 @ SV17 )
                      | ( in @ SV149 @ SV72 ) )
                  | ( in @ SV149 @ SV108 ) ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[957]) ).

thf(1033,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                      | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) ) )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[958]) ).

thf(1034,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( ~ ( ( SV135
               != ( relation_dom_restriction @ SV20 @ SV128 ) )
              | ! [SY566: $i,SY567: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                        | ~ ( ~ ( in @ SY566 @ SV128 )
                            | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                              | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                        | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[960]) ).

thf(1035,plain,
    ! [SV20: $i,SV128: $i,SV135: $i] :
      ( ( ( ~ ( ~ ! [SY568: $i,SY569: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                          | ~ ( ~ ( in @ SY568 @ SV128 )
                              | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                                | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                          | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) )
              | ( SV135
                = ( relation_dom_restriction @ SV20 @ SV128 ) ) ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[960]) ).

thf(1036,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $false )
      | ( ( ~ ! [SY431: $i] :
                ~ ~ ( ~ ( in @ SY431 @ SV21 )
                    | ~ ( in @ SY431 @ SV74 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[961]) ).

thf(1037,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ( ~ ! [SY432: $i] :
                ~ ~ ( ~ ( in @ SY432 @ SV21 )
                    | ~ ( in @ SY432 @ SV74 ) ) )
        = $false )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[962]) ).

thf(1038,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV22 @ SV75 )
              | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[963]) ).

thf(1039,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV22 @ SV75 )
                | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
        = $true )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[964]) ).

thf(1040,plain,
    ! [SV23: $i] :
      ( ( ~ ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
              | ~ ! [SY490: $i,SY491: $i] :
                    ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                          | ~ ( subset @ SY491 @ SY490 ) )
                    | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[965]) ).

thf(1041,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY492: $i] :
              ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
              | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[965]) ).

thf(1042,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ~ ( ~ ~ ( ~ ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
                  | ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
            | ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[966]) ).

thf(1043,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( ( SV78
               != ( set_meet @ SV26 ) )
              | ! [SY434: $i] :
                  ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                        | ! [SY300: $i] :
                            ( ~ ( in @ SY300 @ SV26 )
                            | ( in @ SY434 @ SY300 ) ) )
                    | ~ ( ~ ! [SY301: $i] :
                              ( ~ ( in @ SY301 @ SV26 )
                              | ( in @ SY434 @ SY301 ) )
                        | ( in @ SY434 @ SV78 ) ) ) )
          | ~ ( ~ ! [SY437: $i] :
                    ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                          | ! [SY303: $i] :
                              ( ~ ( in @ SY303 @ SV26 )
                              | ( in @ SY437 @ SY303 ) ) )
                      | ~ ( ~ ! [SY304: $i] :
                                ( ~ ( in @ SY304 @ SV26 )
                                | ( in @ SY437 @ SY304 ) )
                          | ( in @ SY437 @ SV78 ) ) )
              | ( SV78
                = ( set_meet @ SV26 ) ) ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[967]) ).

thf(1044,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( ( SV78
               != ( set_meet @ SV26 ) )
              | ( SV78 = empty_set ) ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[968]) ).

thf(1045,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( ( SV78 != empty_set )
              | ( SV78
                = ( set_meet @ SV26 ) ) ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[968]) ).

thf(1046,plain,
    ! [SV129: $i,SV110: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
          | ~ ( ~ ( in @ SV27 @ SV110 )
              | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[969]) ).

thf(1047,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
          | ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[970]) ).

thf(1048,plain,
    ! [SV130: $i,SV111: $i,SV81: $i,SV29: $i] :
      ( ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ SV29 @ SV111 )
              | ~ ( in @ SV81 @ SV130 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[971]) ).

thf(1049,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( ~ ( ~ ( in @ SV29 @ SV111 )
              | ~ ( in @ SV81 @ SV130 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[972]) ).

thf(1050,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( SV136
         != ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( ! [SY570: $i] :
              ~ ( ~ ( ~ ( in @ SY570 @ SV136 )
                    | ~ ! [SY545: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY545 @ SY570 ) @ SV30 )
                              | ~ ( in @ SY545 @ SV131 ) ) )
                | ~ ( ~ ~ ! [SY546: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY546 @ SY570 ) @ SV30 )
                                | ~ ( in @ SY546 @ SV131 ) )
                    | ( in @ SY570 @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[973]) ).

thf(1051,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ! [SY573: $i] :
                ~ ( ~ ( ~ ( in @ SY573 @ SV136 )
                      | ~ ! [SY548: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY548 @ SY573 ) @ SV30 )
                                | ~ ( in @ SY548 @ SV131 ) ) )
                  | ~ ( ~ ~ ! [SY549: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY549 @ SY573 ) @ SV30 )
                                  | ~ ( in @ SY549 @ SV131 ) )
                      | ( in @ SY573 @ SV136 ) ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[974]) ).

thf(1052,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( ~ ( in @ SV31 @ SV112 )
          | ~ ( in @ SV82 @ SV112 ) )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[975]) ).

thf(1053,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( ~ ( in @ SV31 @ SV112 )
          | ~ ( in @ SV82 @ SV112 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[976]) ).

thf(1054,plain,
    ! [SV33: $i,SV113: $i,SV83: $i] :
      ( ( ( element @ SV83 @ ( powerset @ SV113 ) )
        = $false )
      | ( ( in @ SV33 @ SV83 )
        = $false )
      | ( ( element @ SV33 @ SV113 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[977]) ).

thf(1055,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( ~ ( element @ SV84 @ SV34 )
              | ( in @ SV84 @ SV34 ) )
          | ~ ( ~ ( in @ SV84 @ SV34 )
              | ( element @ SV84 @ SV34 ) ) )
        = $false )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[978]) ).

thf(1056,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( ~ ( element @ SV84 @ SV34 )
              | ( empty @ SV84 ) ) )
        = $false )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[979]) ).

thf(1057,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( ~ ( empty @ SV84 )
              | ( element @ SV84 @ SV34 ) ) )
        = $false )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[979]) ).

thf(1058,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( ~ ( in @ SV140 @ SV35 )
          | ~ ! [SY589: $i,SY590: $i] :
                ( SV140
               != ( ordered_pair @ SY589 @ SY590 ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[980]) ).

thf(1059,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( in @ ( sK9_SY328 @ SV35 ) @ SV35 )
          | ~ ! [SY591: $i,SY592: $i] :
                ( ( sK9_SY328 @ SV35 )
               != ( ordered_pair @ SY591 @ SY592 ) ) )
        = $false )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[981]) ).

thf(1060,plain,
    ! [SV86: $i,SV115: $i,SV37: $i] :
      ( ( ( ~ ( in @ SV37 @ ( relation_field @ SV115 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[982]) ).

thf(1061,plain,
    ! [SV37: $i,SV115: $i,SV86: $i] :
      ( ( ( ~ ( in @ SV86 @ ( relation_field @ SV115 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[982]) ).

thf(1062,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( ( SV137
               != ( relation_rng_restriction @ SV39 @ SV87 ) )
              | ! [SY576: $i,SY577: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                        | ~ ( ~ ( in @ SY577 @ SV39 )
                            | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                              | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                        | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[985]) ).

thf(1063,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( ~ ! [SY578: $i,SY579: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                          | ~ ( ~ ( in @ SY579 @ SV39 )
                              | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                                | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                          | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) )
              | ( SV137
                = ( relation_rng_restriction @ SV39 @ SV87 ) ) ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[985]) ).

thf(1064,plain,
    ! [SV41: $i,SV88: $i,SV144: $i] :
      ( ( ( ~ ( ~ ( in @ SV144 @ SV88 )
              | ( SV144 = SV41 ) )
          | ~ ( ( SV144 != SV41 )
              | ( in @ SV144 @ SV88 ) ) )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[986]) ).

thf(1065,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
              | ( ( sK12_SY454 @ SV41 @ SV88 )
                = SV41 ) )
          | ~ ( ( ( sK12_SY454 @ SV41 @ SV88 )
               != SV41 )
              | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[987]) ).

thf(1066,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ SV145 @ SV89 )
              | ~ ! [SY593: $i] :
                    ~ ~ ( ~ ( in @ SV145 @ SY593 )
                        | ~ ( in @ SY593 @ SV42 ) ) )
          | ~ ( ~ ~ ! [SY594: $i] :
                      ~ ~ ( ~ ( in @ SV145 @ SY594 )
                          | ~ ( in @ SY594 @ SV42 ) )
              | ( in @ SV145 @ SV89 ) ) )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[988]) ).

thf(1067,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
              | ~ ! [SY595: $i] :
                    ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY595 )
                        | ~ ( in @ SY595 @ SV42 ) ) )
          | ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[989]) ).

thf(1068,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV43 @ SV90 )
              | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[990]) ).

thf(1069,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV43 @ SV90 )
                | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
        = $true )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[991]) ).

thf(1070,plain,
    ! [SV46: $i] :
      ( ( ~ ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
              | ~ ! [SY496: $i,SY497: $i] :
                    ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                          | ~ ( subset @ SY497 @ SY496 ) )
                    | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[992]) ).

thf(1071,plain,
    ! [SV46: $i] :
      ( ( ~ ! [SY498: $i] :
              ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ! [SY499: $i] :
                        ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                            | ~ ! [SX4: $i] :
                                  ( ~ ( subset @ SX4 @ SY498 )
                                  | ( in @ SX4 @ SY499 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[992]) ).

thf(1072,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ~ ( ~ ~ ( ~ ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
            | ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[993]) ).

thf(1073,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( ! [SY550: $i] :
              ~ ( ~ ( ~ ( in @ SY550 @ SV132 )
                    | ~ ! [SY366: $i] :
                          ~ ( in @ ( ordered_pair @ SY550 @ SY366 ) @ SV47 ) )
                | ~ ( ~ ~ ! [SY367: $i] :
                            ~ ( in @ ( ordered_pair @ SY550 @ SY367 ) @ SV47 )
                    | ( in @ SY550 @ SV132 ) ) ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[994]) ).

thf(1074,plain,
    ! [SV47: $i,SV132: $i] :
      ( ( ( ! [SY553: $i] :
              ~ ( ~ ( ~ ( in @ SY553 @ SV132 )
                    | ~ ! [SY369: $i] :
                          ~ ( in @ ( ordered_pair @ SY553 @ SY369 ) @ SV47 ) )
                | ~ ( ~ ~ ! [SY370: $i] :
                            ~ ( in @ ( ordered_pair @ SY553 @ SY370 ) @ SV47 )
                    | ( in @ SY553 @ SV132 ) ) ) )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[995]) ).

thf(1075,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ( SV133
           != ( relation_inverse @ SV49 ) )
          | ! [SY556: $i,SY557: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                    | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                    | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[996]) ).

thf(1076,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ! [SY558: $i,SY559: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                      | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                  | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                      | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) )
          | ( SV133
            = ( relation_inverse @ SV49 ) ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[997]) ).

thf(1077,plain,
    ! [SV97: $i,SV53: $i,SV147: $i] :
      ( ( ( ~ ( in @ SV147 @ SV53 ) )
        = $true )
      | ( ( in @ SV147 @ SV97 )
        = $true )
      | ( ( subset @ SV53 @ SV97 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1000]) ).

thf(1078,plain,
    ! [SV53: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK14_SY464 @ SV97 @ SV53 ) @ SV53 ) )
        = $false )
      | ( ( subset @ SV53 @ SV97 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1001]) ).

thf(1079,plain,
    ! [SV53: $i,SV97: $i] :
      ( ( ( in @ ( sK14_SY464 @ SV97 @ SV53 ) @ SV97 )
        = $false )
      | ( ( subset @ SV53 @ SV97 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1001]) ).

thf(1080,plain,
    ! [SV117: $i,SV54: $i,SV98: $i] :
      ( ( ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) )
        = $false )
      | ( ( ~ ( in @ SV98 @ SV117 ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV54 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1002]) ).

thf(1081,plain,
    ! [SV100: $i,SV56: $i,SV118: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV150 @ SV118 )
                  | ( SV150 = SV56 )
                  | ( SV150 = SV100 ) )
              | ~ ( ~ ( ( SV150 = SV56 )
                      | ( SV150 = SV100 ) )
                  | ( in @ SV150 @ SV118 ) ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1003]) ).

thf(1082,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                        = SV56 )
                      | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                        = SV100 ) )
                  | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) ) )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1004]) ).

thf(1083,plain,
    ! [SV102: $i,SV58: $i,SV119: $i,SV151: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV151 @ SV119 )
                  | ~ ( ~ ( in @ SV151 @ SV58 )
                      | ~ ~ ( in @ SV151 @ SV102 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV151 @ SV58 )
                        | ~ ~ ( in @ SV151 @ SV102 ) )
                  | ( in @ SV151 @ SV119 ) ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1005]) ).

thf(1084,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
                  | ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                      | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                        | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
                  | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) ) )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1006]) ).

thf(1085,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ( ~ ( in @ SV59 @ SV103 ) )
        = $true )
      | ( ( ~ ( element @ SV103 @ ( powerset @ SV120 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV120 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1007]) ).

thf(1086,plain,
    ! [SV104: $i,SV60: $i,SV121: $i,SV152: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV152 @ SV121 )
                  | ~ ( ~ ( in @ SV152 @ SV60 )
                      | ~ ( in @ SV152 @ SV104 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV152 @ SV60 )
                        | ~ ( in @ SV152 @ SV104 ) )
                  | ( in @ SV152 @ SV121 ) ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1008]) ).

thf(1087,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
                  | ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                      | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                        | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
                  | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) ) )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1009]) ).

thf(1088,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ( disjoint @ SV3 @ SV63 )
        = $true )
      | ( ( ~ ! [SY404: $i] :
                ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1010]) ).

thf(1089,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ( ! [SY405: $i] :
              ~ ( in @ SY405 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV3 @ SV63 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1011]) ).

thf(1090,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
              | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) ) )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1012]) ).

thf(1091,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
          | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) )
        = $false )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
        = $false )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1013]) ).

thf(1092,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( ( SV66
               != ( identity_relation @ SV6 ) )
              | ~ ( ( ( relation_dom @ SV66 )
                   != SV6 )
                  | ~ ! [SY407: $i] :
                        ( ~ ( in @ SY407 @ SV6 )
                        | ( ( apply @ SV66 @ SY407 )
                          = SY407 ) ) ) ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1014]) ).

thf(1093,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( ~ ~ ( ( ( relation_dom @ SV66 )
                     != SV6 )
                    | ~ ! [SY408: $i] :
                          ( ~ ( in @ SY408 @ SV6 )
                          | ( ( apply @ SV66 @ SY408 )
                            = SY408 ) ) )
              | ( SV66
                = ( identity_relation @ SV6 ) ) ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1014]) ).

thf(1094,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( ~ ( in @ SV7 @ SV106 )
          | ~ ( in @ SV67 @ SV122 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1015]) ).

thf(1095,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( ~ ( in @ SV7 @ SV106 )
          | ~ ( in @ SV67 @ SV122 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1016]) ).

thf(1096,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( SV8 != SV123 )
        = $true )
      | ( ( ! [SY508: $i,SY509: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                    | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1017]) ).

thf(1097,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( ~ ! [SY510: $i,SY511: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                      | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                  | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                      | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1018]) ).

thf(1098,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ( ( SV139
               != ( relation_composition @ SV10 @ SV124 ) )
              | ! [SY581: $i,SY582: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                        | ~ ! [SY515: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                                  | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                    | ~ ( ~ ~ ! [SY516: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                    | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                        | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) )
          | ~ ( ~ ! [SY585: $i,SY586: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                          | ~ ! [SY519: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                                    | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                      | ~ ( ~ ~ ! [SY520: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                      | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                          | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) )
              | ( SV139
                = ( relation_composition @ SV10 @ SV124 ) ) ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1019]) ).

thf(1099,plain,
    ! [SV69: $i,SV11: $i,SV107: $i,SV148: $i] :
      ( ( ( ~ ( ~ ( in @ SV148 @ SV107 )
              | ~ ! [SY597: $i] :
                    ~ ~ ! [SY598: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY597 @ SV11 )
                                    | ~ ( in @ SY598 @ SV69 ) )
                              | ( SV148
                               != ( ordered_pair @ SY597 @ SY598 ) ) ) )
          | ~ ( ~ ~ ! [SY599: $i] :
                      ~ ~ ! [SY600: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY599 @ SV11 )
                                      | ~ ( in @ SY600 @ SV69 ) )
                                | ( SV148
                                 != ( ordered_pair @ SY599 @ SY600 ) ) )
              | ( in @ SV148 @ SV107 ) ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1020]) ).

thf(1100,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
              | ~ ! [SY601: $i] :
                    ~ ~ ! [SY602: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY601 @ SV11 )
                                    | ~ ( in @ SY602 @ SV69 ) )
                              | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                               != ( ordered_pair @ SY601 @ SY602 ) ) ) )
          | ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1021]) ).

thf(1101,plain,
    ! [SV12: $i,SV70: $i,SV153: $i] :
      ( ( ( ! [SY605: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV153 @ SY605 ) @ SV70 )
                    | ~ ( ~ ( in @ SV153 @ SV12 )
                        | ( SV153 != SY605 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV153 @ SV12 )
                          | ( SV153 != SY605 ) )
                    | ( in @ ( ordered_pair @ SV153 @ SY605 ) @ SV70 ) ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1022]) ).

thf(1102,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ! [SY606: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ SY606 ) @ SV70 )
                    | ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                        | ( ( sK20_SY424 @ SV12 @ SV70 )
                         != SY606 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                          | ( ( sK20_SY424 @ SV12 @ SV70 )
                           != SY606 ) )
                    | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ SY606 ) @ SV70 ) ) ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1023]) ).

thf(1103,plain,
    ! [SV13: $i,SV71: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( in @ SV142 @ SV71 )
              | ( subset @ SV142 @ SV13 ) ) )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1024]) ).

thf(1104,plain,
    ! [SV71: $i,SV13: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( subset @ SV142 @ SV13 )
              | ( in @ SV142 @ SV71 ) ) )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1024]) ).

thf(1105,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
              | ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 ) ) )
        = $true )
      | ( ( ~ ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
              | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1025]) ).

thf(1106,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( ! [SY560: $i] :
              ~ ( ~ ( ~ ( in @ SY560 @ SV134 )
                    | ~ ! [SY523: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY523 ) @ SV14 )
                              | ~ ( in @ SY523 @ SV125 ) ) )
                | ~ ( ~ ~ ! [SY524: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY560 @ SY524 ) @ SV14 )
                                | ~ ( in @ SY524 @ SV125 ) )
                    | ( in @ SY560 @ SV134 ) ) ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1026]) ).

thf(1107,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ! [SY563: $i] :
              ~ ( ~ ( ~ ( in @ SY563 @ SV134 )
                    | ~ ! [SY526: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY526 ) @ SV14 )
                              | ~ ( in @ SY526 @ SV125 ) ) )
                | ~ ( ~ ~ ! [SY527: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY563 @ SY527 ) @ SV14 )
                                | ~ ( in @ SY527 @ SV125 ) )
                    | ( in @ SY563 @ SV134 ) ) ) )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1027]) ).

thf(1108,plain,
    ! [SV15: $i,SV126: $i,SV154: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV154 @ SV126 )
                  | ~ ! [SY607: $i] :
                        ~ ( in @ ( ordered_pair @ SY607 @ SV154 ) @ SV15 ) )
              | ~ ( ~ ~ ! [SY608: $i] :
                          ~ ( in @ ( ordered_pair @ SY608 @ SV154 ) @ SV15 )
                  | ( in @ SV154 @ SV126 ) ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1028]) ).

thf(1109,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
                  | ~ ! [SY609: $i] :
                        ~ ( in @ ( ordered_pair @ SY609 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
              | ~ ( ~ ~ ! [SY610: $i] :
                          ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
                  | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) ) )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1029]) ).

thf(1110,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ~ ( subset @ SV16 @ SV127 ) )
        = $true )
      | ( ( ! [SY534: $i,SY535: $i] :
              ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
              | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1030]) ).

thf(1111,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ~ ! [SY536: $i,SY537: $i] :
                ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
                | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) ) )
        = $true )
      | ( ( subset @ SV16 @ SV127 )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1031]) ).

thf(1112,plain,
    ! [SV72: $i,SV17: $i,SV108: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( in @ SV149 @ SV108 )
              | ( in @ SV149 @ SV17 )
              | ( in @ SV149 @ SV72 ) )
          | ~ ( ~ ( ( in @ SV149 @ SV17 )
                  | ( in @ SV149 @ SV72 ) )
              | ( in @ SV149 @ SV108 ) ) )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1032]) ).

thf(1113,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
          | ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1033]) ).

thf(1114,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( ( SV135
           != ( relation_dom_restriction @ SV20 @ SV128 ) )
          | ! [SY566: $i,SY567: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                    | ~ ( ~ ( in @ SY566 @ SV128 )
                        | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                          | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                    | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1034]) ).

thf(1115,plain,
    ! [SV20: $i,SV128: $i,SV135: $i] :
      ( ( ( ~ ! [SY568: $i,SY569: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                      | ~ ( ~ ( in @ SY568 @ SV128 )
                          | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                            | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                      | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) )
          | ( SV135
            = ( relation_dom_restriction @ SV20 @ SV128 ) ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1035]) ).

thf(1116,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ( disjoint @ SV21 @ SV74 )
        = $true )
      | ( ( ~ ! [SY431: $i] :
                ~ ~ ( ~ ( in @ SY431 @ SV21 )
                    | ~ ( in @ SY431 @ SV74 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1036]) ).

thf(1117,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ( ! [SY432: $i] :
              ~ ~ ( ~ ( in @ SY432 @ SV21 )
                  | ~ ( in @ SY432 @ SV74 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1037]) ).

thf(1118,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $false )
      | ( ( ~ ( ~ ( in @ SV22 @ SV75 )
              | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1038]) ).

thf(1119,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( in @ SV22 @ SV75 )
              | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1039]) ).

thf(1120,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
            | ~ ! [SY490: $i,SY491: $i] :
                  ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                        | ~ ( subset @ SY491 @ SY490 ) )
                  | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1040]) ).

thf(1121,plain,
    ! [SV23: $i] :
      ( ( ! [SY492: $i] :
            ( ~ ( in @ SY492 @ ( sK3_SY291 @ SV23 ) )
            | ( in @ ( powerset @ SY492 ) @ ( sK3_SY291 @ SV23 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1041]) ).

thf(1122,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ~ ~ ( ~ ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
              | ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        | ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1042]) ).

thf(1123,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( ( SV78
               != ( set_meet @ SV26 ) )
              | ! [SY434: $i] :
                  ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                        | ! [SY300: $i] :
                            ( ~ ( in @ SY300 @ SV26 )
                            | ( in @ SY434 @ SY300 ) ) )
                    | ~ ( ~ ! [SY301: $i] :
                              ( ~ ( in @ SY301 @ SV26 )
                              | ( in @ SY434 @ SY301 ) )
                        | ( in @ SY434 @ SV78 ) ) ) ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1124,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( ~ ! [SY437: $i] :
                    ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                          | ! [SY303: $i] :
                              ( ~ ( in @ SY303 @ SV26 )
                              | ( in @ SY437 @ SY303 ) ) )
                      | ~ ( ~ ! [SY304: $i] :
                                ( ~ ( in @ SY304 @ SV26 )
                                | ( in @ SY437 @ SY304 ) )
                          | ( in @ SY437 @ SV78 ) ) )
              | ( SV78
                = ( set_meet @ SV26 ) ) ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1125,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ( SV78
           != ( set_meet @ SV26 ) )
          | ( SV78 = empty_set ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1044]) ).

thf(1126,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ( SV78 != empty_set )
          | ( SV78
            = ( set_meet @ SV26 ) ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1045]) ).

thf(1127,plain,
    ! [SV129: $i,SV110: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV27 @ SV110 )
              | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1046]) ).

thf(1128,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV27 @ SV110 )
                | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1047]) ).

thf(1129,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV111 )
          | ~ ( in @ SV81 @ SV130 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1048]) ).

thf(1130,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV111 )
          | ~ ( in @ SV81 @ SV130 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1049]) ).

thf(1131,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( ! [SY570: $i] :
              ~ ( ~ ( ~ ( in @ SY570 @ SV136 )
                    | ~ ! [SY545: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY545 @ SY570 ) @ SV30 )
                              | ~ ( in @ SY545 @ SV131 ) ) )
                | ~ ( ~ ~ ! [SY546: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY546 @ SY570 ) @ SV30 )
                                | ~ ( in @ SY546 @ SV131 ) )
                    | ( in @ SY570 @ SV136 ) ) ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1050]) ).

thf(1132,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ! [SY573: $i] :
              ~ ( ~ ( ~ ( in @ SY573 @ SV136 )
                    | ~ ! [SY548: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY548 @ SY573 ) @ SV30 )
                              | ~ ( in @ SY548 @ SV131 ) ) )
                | ~ ( ~ ~ ! [SY549: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY549 @ SY573 ) @ SV30 )
                                | ~ ( in @ SY549 @ SV131 ) )
                    | ( in @ SY573 @ SV136 ) ) ) )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1051]) ).

thf(1133,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( ~ ( in @ SV31 @ SV112 ) )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1052]) ).

thf(1134,plain,
    ! [SV31: $i,SV112: $i,SV82: $i] :
      ( ( ( ~ ( in @ SV82 @ SV112 ) )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1052]) ).

thf(1135,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( ~ ( in @ SV31 @ SV112 ) )
        = $true )
      | ( ( ~ ( in @ SV82 @ SV112 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1053]) ).

thf(1136,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( ~ ( element @ SV84 @ SV34 )
              | ( in @ SV84 @ SV34 ) ) )
        = $false )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1055]) ).

thf(1137,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( ~ ( in @ SV84 @ SV34 )
              | ( element @ SV84 @ SV34 ) ) )
        = $false )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1055]) ).

thf(1138,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( element @ SV84 @ SV34 )
          | ( empty @ SV84 ) )
        = $true )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1056]) ).

thf(1139,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( empty @ SV84 )
          | ( element @ SV84 @ SV34 ) )
        = $true )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1057]) ).

thf(1140,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( ~ ( in @ SV140 @ SV35 ) )
        = $true )
      | ( ( ~ ! [SY589: $i,SY590: $i] :
                ( SV140
               != ( ordered_pair @ SY589 @ SY590 ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1058]) ).

thf(1141,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( in @ ( sK9_SY328 @ SV35 ) @ SV35 ) )
        = $false )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1059]) ).

thf(1142,plain,
    ! [SV35: $i] :
      ( ( ( ~ ! [SY591: $i,SY592: $i] :
                ( ( sK9_SY328 @ SV35 )
               != ( ordered_pair @ SY591 @ SY592 ) ) )
        = $false )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1059]) ).

thf(1143,plain,
    ! [SV86: $i,SV115: $i,SV37: $i] :
      ( ( ( in @ SV37 @ ( relation_field @ SV115 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1060]) ).

thf(1144,plain,
    ! [SV37: $i,SV115: $i,SV86: $i] :
      ( ( ( in @ SV86 @ ( relation_field @ SV115 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV37 @ SV86 ) @ SV115 )
        = $false )
      | ( ( relation @ SV115 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1061]) ).

thf(1145,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ( SV137
           != ( relation_rng_restriction @ SV39 @ SV87 ) )
          | ! [SY576: $i,SY577: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                    | ~ ( ~ ( in @ SY577 @ SV39 )
                        | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                    | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1062]) ).

thf(1146,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ! [SY578: $i,SY579: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                      | ~ ( ~ ( in @ SY579 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                            | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                      | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) )
          | ( SV137
            = ( relation_rng_restriction @ SV39 @ SV87 ) ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1063]) ).

thf(1147,plain,
    ! [SV41: $i,SV88: $i,SV144: $i] :
      ( ( ( ~ ( ~ ( in @ SV144 @ SV88 )
              | ( SV144 = SV41 ) ) )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1064]) ).

thf(1148,plain,
    ! [SV88: $i,SV41: $i,SV144: $i] :
      ( ( ( ~ ( ( SV144 != SV41 )
              | ( in @ SV144 @ SV88 ) ) )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1064]) ).

thf(1149,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
              | ( ( sK12_SY454 @ SV41 @ SV88 )
                = SV41 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK12_SY454 @ SV41 @ SV88 )
               != SV41 )
              | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1065]) ).

thf(1150,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ SV145 @ SV89 )
              | ~ ! [SY593: $i] :
                    ~ ~ ( ~ ( in @ SV145 @ SY593 )
                        | ~ ( in @ SY593 @ SV42 ) ) ) )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1066]) ).

thf(1151,plain,
    ! [SV89: $i,SV42: $i,SV145: $i] :
      ( ( ( ~ ( ~ ~ ! [SY594: $i] :
                      ~ ~ ( ~ ( in @ SV145 @ SY594 )
                          | ~ ( in @ SY594 @ SV42 ) )
              | ( in @ SV145 @ SV89 ) ) )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1066]) ).

thf(1152,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
              | ~ ! [SY595: $i] :
                    ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY595 )
                        | ~ ( in @ SY595 @ SV42 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1067]) ).

thf(1153,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $false )
      | ( ( ~ ( ~ ( in @ SV43 @ SV90 )
              | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1068]) ).

thf(1154,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ( ~ ( in @ SV43 @ SV90 )
              | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) ) )
        = $false )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1069]) ).

thf(1155,plain,
    ! [SV46: $i] :
      ( ( ~ ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
            | ~ ! [SY496: $i,SY497: $i] :
                  ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                        | ~ ( subset @ SY497 @ SY496 ) )
                  | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1070]) ).

thf(1156,plain,
    ! [SV46: $i] :
      ( ( ! [SY498: $i] :
            ~ ~ ( ~ ( in @ SY498 @ ( sK4_SY357 @ SV46 ) )
                | ~ ! [SY499: $i] :
                      ~ ~ ( ~ ( in @ SY499 @ ( sK4_SY357 @ SV46 ) )
                          | ~ ! [SX4: $i] :
                                ( ~ ( subset @ SX4 @ SY498 )
                                | ( in @ SX4 @ SY499 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1071]) ).

thf(1157,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ~ ~ ( ~ ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
              | ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        | ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1072]) ).

thf(1158,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV155 @ SV132 )
                  | ~ ! [SY611: $i] :
                        ~ ( in @ ( ordered_pair @ SV155 @ SY611 ) @ SV47 ) )
              | ~ ( ~ ~ ! [SY612: $i] :
                          ~ ( in @ ( ordered_pair @ SV155 @ SY612 ) @ SV47 )
                  | ( in @ SV155 @ SV132 ) ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1073]) ).

thf(1159,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
                  | ~ ! [SY613: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY613 ) @ SV47 ) )
              | ~ ( ~ ~ ! [SY614: $i] :
                          ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
                  | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) ) )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1074]) ).

thf(1160,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( SV133
         != ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( ! [SY556: $i,SY557: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                    | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                    | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1075]) ).

thf(1161,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ! [SY558: $i,SY559: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                      | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                  | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                      | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1076]) ).

thf(1162,plain,
    ! [SV97: $i,SV53: $i,SV147: $i] :
      ( ( ( in @ SV147 @ SV53 )
        = $false )
      | ( ( in @ SV147 @ SV97 )
        = $true )
      | ( ( subset @ SV53 @ SV97 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1077]) ).

thf(1163,plain,
    ! [SV53: $i,SV97: $i] :
      ( ( ( in @ ( sK14_SY464 @ SV97 @ SV53 ) @ SV53 )
        = $true )
      | ( ( subset @ SV53 @ SV97 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1078]) ).

thf(1164,plain,
    ! [SV54: $i,SV117: $i,SV98: $i] :
      ( ( ( in @ SV98 @ SV117 )
        = $false )
      | ( ( in @ SV98 @ ( subset_complement @ SV54 @ SV117 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV54 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1080]) ).

thf(1165,plain,
    ! [SV100: $i,SV56: $i,SV118: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( in @ SV150 @ SV118 )
              | ( SV150 = SV56 )
              | ( SV150 = SV100 ) )
          | ~ ( ~ ( ( SV150 = SV56 )
                  | ( SV150 = SV100 ) )
              | ( in @ SV150 @ SV118 ) ) )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1081]) ).

thf(1166,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) )
          | ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1082]) ).

thf(1167,plain,
    ! [SV102: $i,SV58: $i,SV119: $i,SV151: $i] :
      ( ( ( ~ ( ~ ( in @ SV151 @ SV119 )
              | ~ ( ~ ( in @ SV151 @ SV58 )
                  | ~ ~ ( in @ SV151 @ SV102 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV151 @ SV58 )
                    | ~ ~ ( in @ SV151 @ SV102 ) )
              | ( in @ SV151 @ SV119 ) ) )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1083]) ).

thf(1168,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
              | ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                  | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1084]) ).

thf(1169,plain,
    ! [SV120: $i,SV103: $i,SV59: $i] :
      ( ( ( in @ SV59 @ SV103 )
        = $false )
      | ( ( ~ ( element @ SV103 @ ( powerset @ SV120 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV120 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1085]) ).

thf(1170,plain,
    ! [SV104: $i,SV60: $i,SV121: $i,SV152: $i] :
      ( ( ( ~ ( ~ ( in @ SV152 @ SV121 )
              | ~ ( ~ ( in @ SV152 @ SV60 )
                  | ~ ( in @ SV152 @ SV104 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV152 @ SV60 )
                    | ~ ( in @ SV152 @ SV104 ) )
              | ( in @ SV152 @ SV121 ) ) )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1086]) ).

thf(1171,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
              | ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                  | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1087]) ).

thf(1172,plain,
    ! [SV63: $i,SV3: $i] :
      ( ( ( ! [SY404: $i] :
              ~ ( in @ SY404 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $false )
      | ( ( disjoint @ SV3 @ SV63 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1088]) ).

thf(1173,plain,
    ! [SV63: $i,SV3: $i,SV156: $i] :
      ( ( ( ~ ( in @ SV156 @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV3 @ SV63 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1089]) ).

thf(1174,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
          | ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 ) )
        = $false )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1090]) ).

thf(1175,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 ) )
        = $false )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
        = $false )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1091]) ).

thf(1176,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
        = $false )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
        = $false )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1091]) ).

thf(1177,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( SV66
           != ( identity_relation @ SV6 ) )
          | ~ ( ( ( relation_dom @ SV66 )
               != SV6 )
              | ~ ! [SY407: $i] :
                    ( ~ ( in @ SY407 @ SV6 )
                    | ( ( apply @ SV66 @ SY407 )
                      = SY407 ) ) ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1092]) ).

thf(1178,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ~ ( ( ( relation_dom @ SV66 )
                 != SV6 )
                | ~ ! [SY408: $i] :
                      ( ~ ( in @ SY408 @ SV6 )
                      | ( ( apply @ SV66 @ SY408 )
                        = SY408 ) ) )
          | ( SV66
            = ( identity_relation @ SV6 ) ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1093]) ).

thf(1179,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( ~ ( in @ SV7 @ SV106 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1094]) ).

thf(1180,plain,
    ! [SV106: $i,SV7: $i,SV122: $i,SV67: $i] :
      ( ( ( ~ ( in @ SV67 @ SV122 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1094]) ).

thf(1181,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( ~ ( in @ SV7 @ SV106 ) )
        = $true )
      | ( ( ~ ( in @ SV67 @ SV122 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1095]) ).

thf(1182,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( SV8 = SV123 )
        = $false )
      | ( ( ! [SY508: $i,SY509: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 )
                    | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY508 @ SY509 ) @ SV8 ) ) ) )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1096]) ).

thf(1183,plain,
    ! [SV123: $i,SV8: $i] :
      ( ( ( ! [SY510: $i,SY511: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 )
                    | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SY510 @ SY511 ) @ SV8 ) ) ) )
        = $false )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1097]) ).

thf(1184,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ( ( SV139
               != ( relation_composition @ SV10 @ SV124 ) )
              | ! [SY581: $i,SY582: $i] :
                  ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                        | ~ ! [SY515: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                                  | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                    | ~ ( ~ ~ ! [SY516: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                    | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                        | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1098]) ).

thf(1185,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ( ~ ! [SY585: $i,SY586: $i] :
                    ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                          | ~ ! [SY519: $i] :
                                ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                                    | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                      | ~ ( ~ ~ ! [SY520: $i] :
                                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                      | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                          | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) )
              | ( SV139
                = ( relation_composition @ SV10 @ SV124 ) ) ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1098]) ).

thf(1186,plain,
    ! [SV69: $i,SV11: $i,SV107: $i,SV148: $i] :
      ( ( ( ~ ( ~ ( in @ SV148 @ SV107 )
              | ~ ! [SY597: $i] :
                    ~ ~ ! [SY598: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY597 @ SV11 )
                                    | ~ ( in @ SY598 @ SV69 ) )
                              | ( SV148
                               != ( ordered_pair @ SY597 @ SY598 ) ) ) ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1099]) ).

thf(1187,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ( ~ ~ ! [SY599: $i] :
                      ~ ~ ! [SY600: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY599 @ SV11 )
                                      | ~ ( in @ SY600 @ SV69 ) )
                                | ( SV148
                                 != ( ordered_pair @ SY599 @ SY600 ) ) )
              | ( in @ SV148 @ SV107 ) ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1099]) ).

thf(1188,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
              | ~ ! [SY601: $i] :
                    ~ ~ ! [SY602: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY601 @ SV11 )
                                    | ~ ( in @ SY602 @ SV69 ) )
                              | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                               != ( ordered_pair @ SY601 @ SY602 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1100]) ).

thf(1189,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
                  | ~ ( ~ ( in @ SV153 @ SV12 )
                      | ( SV153 != SV157 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV153 @ SV12 )
                        | ( SV153 != SV157 ) )
                  | ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 ) ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1101]) ).

thf(1190,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
                  | ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                      | ( ( sK20_SY424 @ SV12 @ SV70 )
                       != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                        | ( ( sK20_SY424 @ SV12 @ SV70 )
                         != ( sK23_SY606 @ SV70 @ SV12 ) ) )
                  | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1102]) ).

thf(1191,plain,
    ! [SV13: $i,SV71: $i,SV142: $i] :
      ( ( ( ~ ( in @ SV142 @ SV71 )
          | ( subset @ SV142 @ SV13 ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1103]) ).

thf(1192,plain,
    ! [SV71: $i,SV13: $i,SV142: $i] :
      ( ( ( ~ ( subset @ SV142 @ SV13 )
          | ( in @ SV142 @ SV71 ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1104]) ).

thf(1193,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
          | ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 ) )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
              | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1105]) ).

thf(1194,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV158 @ SV134 )
                  | ~ ! [SY615: $i] :
                        ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY615 ) @ SV14 )
                            | ~ ( in @ SY615 @ SV125 ) ) )
              | ~ ( ~ ~ ! [SY616: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY616 ) @ SV14 )
                              | ~ ( in @ SY616 @ SV125 ) )
                  | ( in @ SV158 @ SV134 ) ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1106]) ).

thf(1195,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
                  | ~ ! [SY617: $i] :
                        ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY617 ) @ SV14 )
                            | ~ ( in @ SY617 @ SV125 ) ) )
              | ~ ( ~ ~ ! [SY618: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                              | ~ ( in @ SY618 @ SV125 ) )
                  | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) ) )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1107]) ).

thf(1196,plain,
    ! [SV15: $i,SV126: $i,SV154: $i] :
      ( ( ( ~ ( ~ ( in @ SV154 @ SV126 )
              | ~ ! [SY607: $i] :
                    ~ ( in @ ( ordered_pair @ SY607 @ SV154 ) @ SV15 ) )
          | ~ ( ~ ~ ! [SY608: $i] :
                      ~ ( in @ ( ordered_pair @ SY608 @ SV154 ) @ SV15 )
              | ( in @ SV154 @ SV126 ) ) )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1108]) ).

thf(1197,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
              | ~ ! [SY609: $i] :
                    ~ ( in @ ( ordered_pair @ SY609 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
          | ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1109]) ).

thf(1198,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( subset @ SV16 @ SV127 )
        = $false )
      | ( ( ! [SY534: $i,SY535: $i] :
              ( ~ ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV16 )
              | ( in @ ( ordered_pair @ SY534 @ SY535 ) @ SV127 ) ) )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1110]) ).

thf(1199,plain,
    ! [SV127: $i,SV16: $i] :
      ( ( ( ! [SY536: $i,SY537: $i] :
              ( ~ ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV16 )
              | ( in @ ( ordered_pair @ SY536 @ SY537 ) @ SV127 ) ) )
        = $false )
      | ( ( subset @ SV16 @ SV127 )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1111]) ).

thf(1200,plain,
    ! [SV72: $i,SV17: $i,SV108: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( in @ SV149 @ SV108 )
              | ( in @ SV149 @ SV17 )
              | ( in @ SV149 @ SV72 ) ) )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1112]) ).

thf(1201,plain,
    ! [SV108: $i,SV72: $i,SV17: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( ( in @ SV149 @ SV17 )
                  | ( in @ SV149 @ SV72 ) )
              | ( in @ SV149 @ SV108 ) ) )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1112]) ).

thf(1202,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1113]) ).

thf(1203,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( SV135
         != ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( ! [SY566: $i,SY567: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                    | ~ ( ~ ( in @ SY566 @ SV128 )
                        | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                          | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                    | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1114]) ).

thf(1204,plain,
    ! [SV20: $i,SV128: $i,SV135: $i] :
      ( ( ( ~ ! [SY568: $i,SY569: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                      | ~ ( ~ ( in @ SY568 @ SV128 )
                          | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                            | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                      | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1115]) ).

thf(1205,plain,
    ! [SV74: $i,SV21: $i] :
      ( ( ( ! [SY431: $i] :
              ~ ~ ( ~ ( in @ SY431 @ SV21 )
                  | ~ ( in @ SY431 @ SV74 ) ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1116]) ).

thf(1206,plain,
    ! [SV74: $i,SV21: $i,SV159: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV159 @ SV21 )
                | ~ ( in @ SV159 @ SV74 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1117]) ).

thf(1207,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ SV75 )
          | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
        = $false )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1118]) ).

thf(1208,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ SV75 )
          | ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
        = $true )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1119]) ).

thf(1209,plain,
    ! [SV23: $i] :
      ( ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
        | ~ ! [SY490: $i,SY491: $i] :
              ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                    | ~ ( subset @ SY491 @ SY490 ) )
              | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1120]) ).

thf(1210,plain,
    ! [SV23: $i,SV160: $i] :
      ( ( ~ ( in @ SV160 @ ( sK3_SY291 @ SV23 ) )
        | ( in @ ( powerset @ SV160 ) @ ( sK3_SY291 @ SV23 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1121]) ).

thf(1211,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( ~ ~ ( ~ ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
                | ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1122]) ).

thf(1212,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ( SV78
           != ( set_meet @ SV26 ) )
          | ! [SY434: $i] :
              ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                    | ! [SY300: $i] :
                        ( ~ ( in @ SY300 @ SV26 )
                        | ( in @ SY434 @ SY300 ) ) )
                | ~ ( ~ ! [SY301: $i] :
                          ( ~ ( in @ SY301 @ SV26 )
                          | ( in @ SY434 @ SY301 ) )
                    | ( in @ SY434 @ SV78 ) ) ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1123]) ).

thf(1213,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ! [SY437: $i] :
                ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                      | ! [SY303: $i] :
                          ( ~ ( in @ SY303 @ SV26 )
                          | ( in @ SY437 @ SY303 ) ) )
                  | ~ ( ~ ! [SY304: $i] :
                            ( ~ ( in @ SY304 @ SV26 )
                            | ( in @ SY437 @ SY304 ) )
                      | ( in @ SY437 @ SV78 ) ) )
          | ( SV78
            = ( set_meet @ SV26 ) ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1124]) ).

thf(1214,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( SV78
         != ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV78 = empty_set )
        = $true )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1125]) ).

thf(1215,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( SV78 != empty_set )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1126]) ).

thf(1216,plain,
    ! [SV129: $i,SV110: $i,SV79: $i,SV27: $i] :
      ( ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ SV27 @ SV110 )
              | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1127]) ).

thf(1217,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ( ~ ( in @ SV27 @ SV110 )
              | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1128]) ).

thf(1218,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV111 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1129]) ).

thf(1219,plain,
    ! [SV111: $i,SV29: $i,SV130: $i,SV81: $i] :
      ( ( ( ~ ( in @ SV81 @ SV130 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1129]) ).

thf(1220,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV111 ) )
        = $true )
      | ( ( ~ ( in @ SV81 @ SV130 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1130]) ).

thf(1221,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV161: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV161 @ SV136 )
                  | ~ ! [SY619: $i] :
                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY619 @ SV161 ) @ SV30 )
                            | ~ ( in @ SY619 @ SV131 ) ) )
              | ~ ( ~ ~ ! [SY620: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY620 @ SV161 ) @ SV30 )
                              | ~ ( in @ SY620 @ SV131 ) )
                  | ( in @ SV161 @ SV136 ) ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1131]) ).

thf(1222,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
                  | ~ ! [SY621: $i] :
                        ~ ~ ( ~ ( in @ ( ordered_pair @ SY621 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                            | ~ ( in @ SY621 @ SV131 ) ) )
              | ~ ( ~ ~ ! [SY622: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                              | ~ ( in @ SY622 @ SV131 ) )
                  | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) ) )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1132]) ).

thf(1223,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( in @ SV31 @ SV112 )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1133]) ).

thf(1224,plain,
    ! [SV31: $i,SV112: $i,SV82: $i] :
      ( ( ( in @ SV82 @ SV112 )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1134]) ).

thf(1225,plain,
    ! [SV82: $i,SV112: $i,SV31: $i] :
      ( ( ( in @ SV31 @ SV112 )
        = $false )
      | ( ( ~ ( in @ SV82 @ SV112 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1135]) ).

thf(1226,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( element @ SV84 @ SV34 )
          | ( in @ SV84 @ SV34 ) )
        = $true )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1136]) ).

thf(1227,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( in @ SV84 @ SV34 )
          | ( element @ SV84 @ SV34 ) )
        = $true )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1137]) ).

thf(1228,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( element @ SV84 @ SV34 ) )
        = $true )
      | ( ( empty @ SV84 )
        = $true )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1138]) ).

thf(1229,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( empty @ SV84 ) )
        = $true )
      | ( ( element @ SV84 @ SV34 )
        = $true )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1139]) ).

thf(1230,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( in @ SV140 @ SV35 )
        = $false )
      | ( ( ~ ! [SY589: $i,SY590: $i] :
                ( SV140
               != ( ordered_pair @ SY589 @ SY590 ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1140]) ).

thf(1231,plain,
    ! [SV35: $i] :
      ( ( ( in @ ( sK9_SY328 @ SV35 ) @ SV35 )
        = $true )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1141]) ).

thf(1232,plain,
    ! [SV35: $i] :
      ( ( ( ! [SY591: $i,SY592: $i] :
              ( ( sK9_SY328 @ SV35 )
             != ( ordered_pair @ SY591 @ SY592 ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1142]) ).

thf(1233,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( SV137
         != ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( ! [SY576: $i,SY577: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                    | ~ ( ~ ( in @ SY577 @ SV39 )
                        | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                    | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1145]) ).

thf(1234,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ! [SY578: $i,SY579: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                      | ~ ( ~ ( in @ SY579 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                            | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                      | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1146]) ).

thf(1235,plain,
    ! [SV41: $i,SV88: $i,SV144: $i] :
      ( ( ( ~ ( in @ SV144 @ SV88 )
          | ( SV144 = SV41 ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1147]) ).

thf(1236,plain,
    ! [SV88: $i,SV41: $i,SV144: $i] :
      ( ( ( ( SV144 != SV41 )
          | ( in @ SV144 @ SV88 ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1148]) ).

thf(1237,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
          | ( ( sK12_SY454 @ SV41 @ SV88 )
            = SV41 ) )
        = $false )
      | ( ( ~ ( ( ( sK12_SY454 @ SV41 @ SV88 )
               != SV41 )
              | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1149]) ).

thf(1238,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ SV89 )
          | ~ ! [SY593: $i] :
                ~ ~ ( ~ ( in @ SV145 @ SY593 )
                    | ~ ( in @ SY593 @ SV42 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1150]) ).

thf(1239,plain,
    ! [SV89: $i,SV42: $i,SV145: $i] :
      ( ( ( ~ ~ ! [SY594: $i] :
                  ~ ~ ( ~ ( in @ SV145 @ SY594 )
                      | ~ ( in @ SY594 @ SV42 ) )
          | ( in @ SV145 @ SV89 ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1151]) ).

thf(1240,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
          | ~ ! [SY595: $i] :
                ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY595 )
                    | ~ ( in @ SY595 @ SV42 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1152]) ).

thf(1241,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ SV90 )
          | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
        = $false )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1153]) ).

thf(1242,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ SV90 )
          | ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
        = $true )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1154]) ).

thf(1243,plain,
    ! [SV46: $i] :
      ( ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
        | ~ ! [SY496: $i,SY497: $i] :
              ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                    | ~ ( subset @ SY497 @ SY496 ) )
              | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1155]) ).

thf(1244,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ~ ~ ( ~ ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
              | ~ ! [SY623: $i] :
                    ~ ~ ( ~ ( in @ SY623 @ ( sK4_SY357 @ SV46 ) )
                        | ~ ! [SY624: $i] :
                              ( ~ ( subset @ SY624 @ SV162 )
                              | ( in @ SY624 @ SY623 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1156]) ).

thf(1245,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( ~ ~ ( ~ ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
                | ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1157]) ).

thf(1246,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( ~ ( ~ ( in @ SV155 @ SV132 )
              | ~ ! [SY611: $i] :
                    ~ ( in @ ( ordered_pair @ SV155 @ SY611 ) @ SV47 ) )
          | ~ ( ~ ~ ! [SY612: $i] :
                      ~ ( in @ ( ordered_pair @ SV155 @ SY612 ) @ SV47 )
              | ( in @ SV155 @ SV132 ) ) )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1158]) ).

thf(1247,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
              | ~ ! [SY613: $i] :
                    ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY613 ) @ SV47 ) )
          | ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1159]) ).

thf(1248,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( ! [SY556: $i,SY557: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 )
                    | ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY557 @ SY556 ) @ SV49 )
                    | ( in @ ( ordered_pair @ SY556 @ SY557 ) @ SV133 ) ) ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1160]) ).

thf(1249,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ! [SY558: $i,SY559: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 )
                    | ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY559 @ SY558 ) @ SV49 )
                    | ( in @ ( ordered_pair @ SY558 @ SY559 ) @ SV133 ) ) ) )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1161]) ).

thf(1250,plain,
    ! [SV100: $i,SV56: $i,SV118: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( in @ SV150 @ SV118 )
              | ( SV150 = SV56 )
              | ( SV150 = SV100 ) ) )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1165]) ).

thf(1251,plain,
    ! [SV118: $i,SV100: $i,SV56: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( ( SV150 = SV56 )
                  | ( SV150 = SV100 ) )
              | ( in @ SV150 @ SV118 ) ) )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1165]) ).

thf(1252,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1166]) ).

thf(1253,plain,
    ! [SV102: $i,SV58: $i,SV119: $i,SV151: $i] :
      ( ( ( ~ ( ~ ( in @ SV151 @ SV119 )
              | ~ ( ~ ( in @ SV151 @ SV58 )
                  | ~ ~ ( in @ SV151 @ SV102 ) ) ) )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1167]) ).

thf(1254,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV151 @ SV58 )
                    | ~ ~ ( in @ SV151 @ SV102 ) )
              | ( in @ SV151 @ SV119 ) ) )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1167]) ).

thf(1255,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
              | ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                  | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1168]) ).

thf(1256,plain,
    ! [SV59: $i,SV120: $i,SV103: $i] :
      ( ( ( element @ SV103 @ ( powerset @ SV120 ) )
        = $false )
      | ( ( in @ SV59 @ SV103 )
        = $false )
      | ( ( ~ ( empty @ SV120 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1169]) ).

thf(1257,plain,
    ! [SV104: $i,SV60: $i,SV121: $i,SV152: $i] :
      ( ( ( ~ ( ~ ( in @ SV152 @ SV121 )
              | ~ ( ~ ( in @ SV152 @ SV60 )
                  | ~ ( in @ SV152 @ SV104 ) ) ) )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1170]) ).

thf(1258,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV152 @ SV60 )
                    | ~ ( in @ SV152 @ SV104 ) )
              | ( in @ SV152 @ SV121 ) ) )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1170]) ).

thf(1259,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
              | ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                  | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1171]) ).

thf(1260,plain,
    ! [SV3: $i,SV63: $i] :
      ( ( ( ~ ( in @ ( sK26_SY404 @ SV63 @ SV3 ) @ ( set_intersection2 @ SV3 @ SV63 ) ) )
        = $false )
      | ( ( disjoint @ SV3 @ SV63 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1172]) ).

thf(1261,plain,
    ! [SV63: $i,SV3: $i,SV156: $i] :
      ( ( ( in @ SV156 @ ( set_intersection2 @ SV3 @ SV63 ) )
        = $false )
      | ( ( ~ ( disjoint @ SV3 @ SV63 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1173]) ).

thf(1262,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( ~ ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 ) )
        = $false )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1174]) ).

thf(1263,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
        = $false )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1174]) ).

thf(1264,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
        = $true )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
        = $false )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1175]) ).

thf(1265,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( SV66
         != ( identity_relation @ SV6 ) )
        = $true )
      | ( ( ~ ( ( ( relation_dom @ SV66 )
               != SV6 )
              | ~ ! [SY407: $i] :
                    ( ~ ( in @ SY407 @ SV6 )
                    | ( ( apply @ SV66 @ SY407 )
                      = SY407 ) ) ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1177]) ).

thf(1266,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ~ ( ( ( relation_dom @ SV66 )
                 != SV6 )
                | ~ ! [SY408: $i] :
                      ( ~ ( in @ SY408 @ SV6 )
                      | ( ( apply @ SV66 @ SY408 )
                        = SY408 ) ) ) )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1178]) ).

thf(1267,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( in @ SV7 @ SV106 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1179]) ).

thf(1268,plain,
    ! [SV106: $i,SV7: $i,SV122: $i,SV67: $i] :
      ( ( ( in @ SV67 @ SV122 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1180]) ).

thf(1269,plain,
    ! [SV122: $i,SV67: $i,SV106: $i,SV7: $i] :
      ( ( ( in @ SV7 @ SV106 )
        = $false )
      | ( ( ~ ( in @ SV67 @ SV122 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1181]) ).

thf(1270,plain,
    ! [SV123: $i,SV8: $i,SV163: $i] :
      ( ( ( ! [SY625: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SY625 ) @ SV8 )
                    | ( in @ ( ordered_pair @ SV163 @ SY625 ) @ SV123 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SY625 ) @ SV123 )
                    | ( in @ ( ordered_pair @ SV163 @ SY625 ) @ SV8 ) ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1182]) ).

thf(1271,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ! [SY626: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ SY626 ) @ SV8 )
                    | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ SY626 ) @ SV123 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ SY626 ) @ SV123 )
                    | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ SY626 ) @ SV8 ) ) ) )
        = $false )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1183]) ).

thf(1272,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ( SV139
           != ( relation_composition @ SV10 @ SV124 ) )
          | ! [SY581: $i,SY582: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                    | ~ ! [SY515: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                | ~ ( ~ ~ ! [SY516: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                    | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1184]) ).

thf(1273,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ! [SY585: $i,SY586: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                      | ~ ! [SY519: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                  | ~ ( ~ ~ ! [SY520: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                  | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                      | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) )
          | ( SV139
            = ( relation_composition @ SV10 @ SV124 ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1185]) ).

thf(1274,plain,
    ! [SV69: $i,SV11: $i,SV107: $i,SV148: $i] :
      ( ( ( ~ ( in @ SV148 @ SV107 )
          | ~ ! [SY597: $i] :
                ~ ~ ! [SY598: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY597 @ SV11 )
                                | ~ ( in @ SY598 @ SV69 ) )
                          | ( SV148
                           != ( ordered_pair @ SY597 @ SY598 ) ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1186]) ).

thf(1275,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ~ ! [SY599: $i] :
                  ~ ~ ! [SY600: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY599 @ SV11 )
                                  | ~ ( in @ SY600 @ SV69 ) )
                            | ( SV148
                             != ( ordered_pair @ SY599 @ SY600 ) ) )
          | ( in @ SV148 @ SV107 ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1187]) ).

thf(1276,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ~ ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
          | ~ ! [SY601: $i] :
                ~ ~ ! [SY602: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY601 @ SV11 )
                                | ~ ( in @ SY602 @ SV69 ) )
                          | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                           != ( ordered_pair @ SY601 @ SY602 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1188]) ).

thf(1277,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
              | ~ ( ~ ( in @ SV153 @ SV12 )
                  | ( SV153 != SV157 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV153 @ SV12 )
                    | ( SV153 != SV157 ) )
              | ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 ) ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1189]) ).

thf(1278,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
              | ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                  | ( ( sK20_SY424 @ SV12 @ SV70 )
                   != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1190]) ).

thf(1279,plain,
    ! [SV13: $i,SV71: $i,SV142: $i] :
      ( ( ( ~ ( in @ SV142 @ SV71 ) )
        = $true )
      | ( ( subset @ SV142 @ SV13 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1191]) ).

thf(1280,plain,
    ! [SV71: $i,SV13: $i,SV142: $i] :
      ( ( ( ~ ( subset @ SV142 @ SV13 ) )
        = $true )
      | ( ( in @ SV142 @ SV71 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1192]) ).

thf(1281,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
              | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1193]) ).

thf(1282,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
              | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1193]) ).

thf(1283,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( ~ ( in @ SV158 @ SV134 )
              | ~ ! [SY615: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY615 ) @ SV14 )
                        | ~ ( in @ SY615 @ SV125 ) ) )
          | ~ ( ~ ~ ! [SY616: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY616 ) @ SV14 )
                          | ~ ( in @ SY616 @ SV125 ) )
              | ( in @ SV158 @ SV134 ) ) )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1194]) ).

thf(1284,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
              | ~ ! [SY617: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY617 ) @ SV14 )
                        | ~ ( in @ SY617 @ SV125 ) ) )
          | ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1195]) ).

thf(1285,plain,
    ! [SV15: $i,SV126: $i,SV154: $i] :
      ( ( ( ~ ( ~ ( in @ SV154 @ SV126 )
              | ~ ! [SY607: $i] :
                    ~ ( in @ ( ordered_pair @ SY607 @ SV154 ) @ SV15 ) ) )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1196]) ).

thf(1286,plain,
    ! [SV126: $i,SV15: $i,SV154: $i] :
      ( ( ( ~ ( ~ ~ ! [SY608: $i] :
                      ~ ( in @ ( ordered_pair @ SY608 @ SV154 ) @ SV15 )
              | ( in @ SV154 @ SV126 ) ) )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1196]) ).

thf(1287,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
              | ~ ! [SY609: $i] :
                    ~ ( in @ ( ordered_pair @ SY609 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1197]) ).

thf(1288,plain,
    ! [SV127: $i,SV16: $i,SV164: $i] :
      ( ( ( ! [SY627: $i] :
              ( ~ ( in @ ( ordered_pair @ SV164 @ SY627 ) @ SV16 )
              | ( in @ ( ordered_pair @ SV164 @ SY627 ) @ SV127 ) ) )
        = $true )
      | ( ( subset @ SV16 @ SV127 )
        = $false )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1198]) ).

thf(1289,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( ! [SY628: $i] :
              ( ~ ( in @ ( ordered_pair @ ( sK28_SY536 @ SV127 @ SV16 ) @ SY628 ) @ SV16 )
              | ( in @ ( ordered_pair @ ( sK28_SY536 @ SV127 @ SV16 ) @ SY628 ) @ SV127 ) ) )
        = $false )
      | ( ( subset @ SV16 @ SV127 )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1199]) ).

thf(1290,plain,
    ! [SV72: $i,SV17: $i,SV108: $i,SV149: $i] :
      ( ( ( ~ ( in @ SV149 @ SV108 )
          | ( in @ SV149 @ SV17 )
          | ( in @ SV149 @ SV72 ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1200]) ).

thf(1291,plain,
    ! [SV108: $i,SV72: $i,SV17: $i,SV149: $i] :
      ( ( ( ~ ( ( in @ SV149 @ SV17 )
              | ( in @ SV149 @ SV72 ) )
          | ( in @ SV149 @ SV108 ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1201]) ).

thf(1292,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1202]) ).

thf(1293,plain,
    ! [SV128: $i,SV20: $i,SV135: $i] :
      ( ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( ! [SY566: $i,SY567: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 )
                    | ~ ( ~ ( in @ SY566 @ SV128 )
                        | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY566 @ SV128 )
                          | ~ ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV20 ) )
                    | ( in @ ( ordered_pair @ SY566 @ SY567 ) @ SV135 ) ) ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1203]) ).

thf(1294,plain,
    ! [SV20: $i,SV128: $i,SV135: $i] :
      ( ( ( ! [SY568: $i,SY569: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 )
                    | ~ ( ~ ( in @ SY568 @ SV128 )
                        | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY568 @ SV128 )
                          | ~ ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV20 ) )
                    | ( in @ ( ordered_pair @ SY568 @ SY569 ) @ SV135 ) ) ) )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1204]) ).

thf(1295,plain,
    ! [SV21: $i,SV74: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV21 )
                | ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV74 ) ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1205]) ).

thf(1296,plain,
    ! [SV74: $i,SV21: $i,SV159: $i] :
      ( ( ( ~ ( ~ ( in @ SV159 @ SV21 )
              | ~ ( in @ SV159 @ SV74 ) ) )
        = $false )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1206]) ).

thf(1297,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ SV75 ) )
        = $false )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1207]) ).

thf(1298,plain,
    ! [SV75: $i,SV109: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
        = $false )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1207]) ).

thf(1299,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ SV75 ) )
        = $true )
      | ( ( ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
        = $true )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1208]) ).

thf(1300,plain,
    ! [SV23: $i] :
      ( ( ~ ( in @ SV23 @ ( sK3_SY291 @ SV23 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1209]) ).

thf(1301,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY490: $i,SY491: $i] :
              ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                    | ~ ( subset @ SY491 @ SY490 ) )
              | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1209]) ).

thf(1302,plain,
    ! [SV23: $i,SV160: $i] :
      ( ( ( ~ ( in @ SV160 @ ( sK3_SY291 @ SV23 ) ) )
        = $true )
      | ( ( in @ ( powerset @ SV160 ) @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1210]) ).

thf(1303,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
              | ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) ) )
        = $false )
      | ( ( ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1211]) ).

thf(1304,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( SV78
         != ( set_meet @ SV26 ) )
        = $true )
      | ( ( ! [SY434: $i] :
              ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                    | ! [SY300: $i] :
                        ( ~ ( in @ SY300 @ SV26 )
                        | ( in @ SY434 @ SY300 ) ) )
                | ~ ( ~ ! [SY301: $i] :
                          ( ~ ( in @ SY301 @ SV26 )
                          | ( in @ SY434 @ SY301 ) )
                    | ( in @ SY434 @ SV78 ) ) ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1212]) ).

thf(1305,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ! [SY437: $i] :
                ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                      | ! [SY303: $i] :
                          ( ~ ( in @ SY303 @ SV26 )
                          | ( in @ SY437 @ SY303 ) ) )
                  | ~ ( ~ ! [SY304: $i] :
                            ( ~ ( in @ SY304 @ SV26 )
                            | ( in @ SY437 @ SY304 ) )
                      | ( in @ SY437 @ SV78 ) ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1213]) ).

thf(1306,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV78 = empty_set )
        = $true )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1214]) ).

thf(1307,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( SV78 = empty_set )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1215]) ).

thf(1308,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV110 )
          | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1216]) ).

thf(1309,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV110 )
          | ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1217]) ).

thf(1310,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( in @ SV29 @ SV111 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1218]) ).

thf(1311,plain,
    ! [SV111: $i,SV29: $i,SV130: $i,SV81: $i] :
      ( ( ( in @ SV81 @ SV130 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1219]) ).

thf(1312,plain,
    ! [SV130: $i,SV81: $i,SV111: $i,SV29: $i] :
      ( ( ( in @ SV29 @ SV111 )
        = $false )
      | ( ( ~ ( in @ SV81 @ SV130 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1220]) ).

thf(1313,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV161: $i] :
      ( ( ( ~ ( ~ ( in @ SV161 @ SV136 )
              | ~ ! [SY619: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY619 @ SV161 ) @ SV30 )
                        | ~ ( in @ SY619 @ SV131 ) ) )
          | ~ ( ~ ~ ! [SY620: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY620 @ SV161 ) @ SV30 )
                          | ~ ( in @ SY620 @ SV131 ) )
              | ( in @ SV161 @ SV136 ) ) )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1221]) ).

thf(1314,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
              | ~ ! [SY621: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY621 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                        | ~ ( in @ SY621 @ SV131 ) ) )
          | ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1222]) ).

thf(1315,plain,
    ! [SV31: $i,SV112: $i,SV82: $i] :
      ( ( ( in @ SV82 @ SV112 )
        = $false )
      | ( ( in @ SV31 @ SV112 )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV31 @ SV82 ) @ SV112 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1225]) ).

thf(1316,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( element @ SV84 @ SV34 ) )
        = $true )
      | ( ( in @ SV84 @ SV34 )
        = $true )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1226]) ).

thf(1317,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( ~ ( in @ SV84 @ SV34 ) )
        = $true )
      | ( ( element @ SV84 @ SV34 )
        = $true )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1227]) ).

thf(1318,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( element @ SV84 @ SV34 )
        = $false )
      | ( ( empty @ SV84 )
        = $true )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1228]) ).

thf(1319,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( empty @ SV84 )
        = $false )
      | ( ( element @ SV84 @ SV34 )
        = $true )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1229]) ).

thf(1320,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( ! [SY589: $i,SY590: $i] :
              ( SV140
             != ( ordered_pair @ SY589 @ SY590 ) ) )
        = $false )
      | ( ( in @ SV140 @ SV35 )
        = $false )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1230]) ).

thf(1321,plain,
    ! [SV165: $i,SV35: $i] :
      ( ( ( ! [SY629: $i] :
              ( ( sK9_SY328 @ SV35 )
             != ( ordered_pair @ SV165 @ SY629 ) ) )
        = $true )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1232]) ).

thf(1322,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( ! [SY576: $i,SY577: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 )
                    | ~ ( ~ ( in @ SY577 @ SV39 )
                        | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY577 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV87 ) )
                    | ( in @ ( ordered_pair @ SY576 @ SY577 ) @ SV137 ) ) ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1233]) ).

thf(1323,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ! [SY578: $i,SY579: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 )
                    | ~ ( ~ ( in @ SY579 @ SV39 )
                        | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY579 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV87 ) )
                    | ( in @ ( ordered_pair @ SY578 @ SY579 ) @ SV137 ) ) ) )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1234]) ).

thf(1324,plain,
    ! [SV41: $i,SV88: $i,SV144: $i] :
      ( ( ( ~ ( in @ SV144 @ SV88 ) )
        = $true )
      | ( ( SV144 = SV41 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1235]) ).

thf(1325,plain,
    ! [SV88: $i,SV41: $i,SV144: $i] :
      ( ( ( SV144 != SV41 )
        = $true )
      | ( ( in @ SV144 @ SV88 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1236]) ).

thf(1326,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) )
        = $false )
      | ( ( ~ ( ( ( sK12_SY454 @ SV41 @ SV88 )
               != SV41 )
              | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1237]) ).

thf(1327,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ( sK12_SY454 @ SV41 @ SV88 )
          = SV41 )
        = $false )
      | ( ( ~ ( ( ( sK12_SY454 @ SV41 @ SV88 )
               != SV41 )
              | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1237]) ).

thf(1328,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ SV89 ) )
        = $true )
      | ( ( ~ ! [SY593: $i] :
                ~ ~ ( ~ ( in @ SV145 @ SY593 )
                    | ~ ( in @ SY593 @ SV42 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1238]) ).

thf(1329,plain,
    ! [SV89: $i,SV42: $i,SV145: $i] :
      ( ( ( ~ ~ ! [SY594: $i] :
                  ~ ~ ( ~ ( in @ SV145 @ SY594 )
                      | ~ ( in @ SY594 @ SV42 ) ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1239]) ).

thf(1330,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1240]) ).

thf(1331,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ! [SY595: $i] :
                ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY595 )
                    | ~ ( in @ SY595 @ SV42 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1240]) ).

thf(1332,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ SV90 ) )
        = $false )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1241]) ).

thf(1333,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
        = $false )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1241]) ).

thf(1334,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ SV90 ) )
        = $true )
      | ( ( ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
        = $true )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1242]) ).

thf(1335,plain,
    ! [SV46: $i] :
      ( ( ~ ( in @ SV46 @ ( sK4_SY357 @ SV46 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1243]) ).

thf(1336,plain,
    ! [SV46: $i] :
      ( ( ~ ! [SY496: $i,SY497: $i] :
              ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                    | ~ ( subset @ SY497 @ SY496 ) )
              | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1243]) ).

thf(1337,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ~ ( ~ ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
            | ~ ! [SY623: $i] :
                  ~ ~ ( ~ ( in @ SY623 @ ( sK4_SY357 @ SV46 ) )
                      | ~ ! [SY624: $i] :
                            ( ~ ( subset @ SY624 @ SV162 )
                            | ( in @ SY624 @ SY623 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1244]) ).

thf(1338,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( ~ ( ~ ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
              | ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) ) )
        = $false )
      | ( ( ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1245]) ).

thf(1339,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( ~ ( ~ ( in @ SV155 @ SV132 )
              | ~ ! [SY611: $i] :
                    ~ ( in @ ( ordered_pair @ SV155 @ SY611 ) @ SV47 ) ) )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1246]) ).

thf(1340,plain,
    ! [SV132: $i,SV47: $i,SV155: $i] :
      ( ( ( ~ ( ~ ~ ! [SY612: $i] :
                      ~ ( in @ ( ordered_pair @ SV155 @ SY612 ) @ SV47 )
              | ( in @ SV155 @ SV132 ) ) )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1246]) ).

thf(1341,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
              | ~ ! [SY613: $i] :
                    ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY613 ) @ SV47 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1247]) ).

thf(1342,plain,
    ! [SV49: $i,SV133: $i,SV166: $i] :
      ( ( ( ! [SY630: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV166 @ SY630 ) @ SV133 )
                    | ( in @ ( ordered_pair @ SY630 @ SV166 ) @ SV49 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY630 @ SV166 ) @ SV49 )
                    | ( in @ ( ordered_pair @ SV166 @ SY630 ) @ SV133 ) ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1248]) ).

thf(1343,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( ! [SY631: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ SY631 ) @ SV133 )
                    | ( in @ ( ordered_pair @ SY631 @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 ) )
                | ~ ( ~ ( in @ ( ordered_pair @ SY631 @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
                    | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ SY631 ) @ SV133 ) ) ) )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1249]) ).

thf(1344,plain,
    ! [SV100: $i,SV56: $i,SV118: $i,SV150: $i] :
      ( ( ( ~ ( in @ SV150 @ SV118 )
          | ( SV150 = SV56 )
          | ( SV150 = SV100 ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1250]) ).

thf(1345,plain,
    ! [SV118: $i,SV100: $i,SV56: $i,SV150: $i] :
      ( ( ( ~ ( ( SV150 = SV56 )
              | ( SV150 = SV100 ) )
          | ( in @ SV150 @ SV118 ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1251]) ).

thf(1346,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
          | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV56 )
          | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV100 ) )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1252]) ).

thf(1347,plain,
    ! [SV102: $i,SV58: $i,SV119: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV119 )
          | ~ ( ~ ( in @ SV151 @ SV58 )
              | ~ ~ ( in @ SV151 @ SV102 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1253]) ).

thf(1348,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV151 @ SV58 )
                | ~ ~ ( in @ SV151 @ SV102 ) )
          | ( in @ SV151 @ SV119 ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1254]) ).

thf(1349,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
          | ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
              | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1255]) ).

thf(1350,plain,
    ! [SV103: $i,SV59: $i,SV120: $i] :
      ( ( ( empty @ SV120 )
        = $false )
      | ( ( in @ SV59 @ SV103 )
        = $false )
      | ( ( element @ SV103 @ ( powerset @ SV120 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1256]) ).

thf(1351,plain,
    ! [SV104: $i,SV60: $i,SV121: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV121 )
          | ~ ( ~ ( in @ SV152 @ SV60 )
              | ~ ( in @ SV152 @ SV104 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1257]) ).

thf(1352,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV152 @ SV60 )
                | ~ ( in @ SV152 @ SV104 ) )
          | ( in @ SV152 @ SV121 ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1258]) ).

thf(1353,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
          | ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
              | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1259]) ).

thf(1354,plain,
    ! [SV3: $i,SV63: $i] :
      ( ( ( in @ ( sK26_SY404 @ SV63 @ SV3 ) @ ( set_intersection2 @ SV3 @ SV63 ) )
        = $true )
      | ( ( disjoint @ SV3 @ SV63 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1260]) ).

thf(1355,plain,
    ! [SV156: $i,SV63: $i,SV3: $i] :
      ( ( ( disjoint @ SV3 @ SV63 )
        = $false )
      | ( ( in @ SV156 @ ( set_intersection2 @ SV3 @ SV63 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1261]) ).

thf(1356,plain,
    ! [SV5: $i,SV65: $i] :
      ( ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV65 )
        = $true )
      | ( ( in @ ( sK5_SY406 @ SV65 @ SV5 ) @ SV5 )
        = $true )
      | ( ( SV5 = SV65 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1262]) ).

thf(1357,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( ~ ( ( ( relation_dom @ SV66 )
               != SV6 )
              | ~ ! [SY407: $i] :
                    ( ~ ( in @ SY407 @ SV6 )
                    | ( ( apply @ SV66 @ SY407 )
                      = SY407 ) ) ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1265]) ).

thf(1358,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( ( ( relation_dom @ SV66 )
               != SV6 )
              | ~ ! [SY408: $i] :
                    ( ~ ( in @ SY408 @ SV6 )
                    | ( ( apply @ SV66 @ SY408 )
                      = SY408 ) ) ) )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1266]) ).

thf(1359,plain,
    ! [SV106: $i,SV7: $i,SV122: $i,SV67: $i] :
      ( ( ( in @ SV67 @ SV122 )
        = $false )
      | ( ( in @ SV7 @ SV106 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV7 @ SV67 ) @ ( cartesian_product2 @ SV106 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1269]) ).

thf(1360,plain,
    ! [SV123: $i,SV8: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 )
                  | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 ) )
              | ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 )
                  | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 ) ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1270]) ).

thf(1361,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
                  | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 ) )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
                  | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) ) ) )
        = $false )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1271]) ).

thf(1362,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( SV139
         != ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( ! [SY581: $i,SY582: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                    | ~ ! [SY515: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                | ~ ( ~ ~ ! [SY516: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                    | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1272]) ).

thf(1363,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ! [SY585: $i,SY586: $i] :
                ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                      | ~ ! [SY519: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                  | ~ ( ~ ~ ! [SY520: $i] :
                              ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                  | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                      | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1273]) ).

thf(1364,plain,
    ! [SV69: $i,SV11: $i,SV107: $i,SV148: $i] :
      ( ( ( ~ ( in @ SV148 @ SV107 ) )
        = $true )
      | ( ( ~ ! [SY597: $i] :
                ~ ~ ! [SY598: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY597 @ SV11 )
                                | ~ ( in @ SY598 @ SV69 ) )
                          | ( SV148
                           != ( ordered_pair @ SY597 @ SY598 ) ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1274]) ).

thf(1365,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ~ ! [SY599: $i] :
                  ~ ~ ! [SY600: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY599 @ SV11 )
                                  | ~ ( in @ SY600 @ SV69 ) )
                            | ( SV148
                             != ( ordered_pair @ SY599 @ SY600 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1275]) ).

thf(1366,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ~ ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1276]) ).

thf(1367,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ! [SY601: $i] :
                ~ ~ ! [SY602: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY601 @ SV11 )
                                | ~ ( in @ SY602 @ SV69 ) )
                          | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                           != ( ordered_pair @ SY601 @ SY602 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1276]) ).

thf(1368,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
              | ~ ( ~ ( in @ SV153 @ SV12 )
                  | ( SV153 != SV157 ) ) ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1277]) ).

thf(1369,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV153 @ SV12 )
                    | ( SV153 != SV157 ) )
              | ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 ) ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1277]) ).

thf(1370,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
              | ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                  | ( ( sK20_SY424 @ SV12 @ SV70 )
                   != ( sK23_SY606 @ SV70 @ SV12 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1278]) ).

thf(1371,plain,
    ! [SV13: $i,SV71: $i,SV142: $i] :
      ( ( ( in @ SV142 @ SV71 )
        = $false )
      | ( ( subset @ SV142 @ SV13 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1279]) ).

thf(1372,plain,
    ! [SV71: $i,SV13: $i,SV142: $i] :
      ( ( ( subset @ SV142 @ SV13 )
        = $false )
      | ( ( in @ SV142 @ SV71 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1280]) ).

thf(1373,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
        = $true )
      | ( ( ~ ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
              | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) ) )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1281]) ).

thf(1374,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
          | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) )
        = $false )
      | ( ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1282]) ).

thf(1375,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( ~ ( in @ SV158 @ SV134 )
              | ~ ! [SY615: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY615 ) @ SV14 )
                        | ~ ( in @ SY615 @ SV125 ) ) ) )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1283]) ).

thf(1376,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV158: $i] :
      ( ( ( ~ ( ~ ~ ! [SY616: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY616 ) @ SV14 )
                          | ~ ( in @ SY616 @ SV125 ) )
              | ( in @ SV158 @ SV134 ) ) )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1283]) ).

thf(1377,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
              | ~ ! [SY617: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY617 ) @ SV14 )
                        | ~ ( in @ SY617 @ SV125 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1284]) ).

thf(1378,plain,
    ! [SV15: $i,SV126: $i,SV154: $i] :
      ( ( ( ~ ( in @ SV154 @ SV126 )
          | ~ ! [SY607: $i] :
                ~ ( in @ ( ordered_pair @ SY607 @ SV154 ) @ SV15 ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1285]) ).

thf(1379,plain,
    ! [SV126: $i,SV15: $i,SV154: $i] :
      ( ( ( ~ ~ ! [SY608: $i] :
                  ~ ( in @ ( ordered_pair @ SY608 @ SV154 ) @ SV15 )
          | ( in @ SV154 @ SV126 ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1286]) ).

thf(1380,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
          | ~ ! [SY609: $i] :
                ~ ( in @ ( ordered_pair @ SY609 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1287]) ).

thf(1381,plain,
    ! [SV127: $i,SV16: $i,SV168: $i,SV164: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV164 @ SV168 ) @ SV16 )
          | ( in @ ( ordered_pair @ SV164 @ SV168 ) @ SV127 ) )
        = $true )
      | ( ( subset @ SV16 @ SV127 )
        = $false )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1288]) ).

thf(1382,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK28_SY536 @ SV127 @ SV16 ) @ ( sK32_SY628 @ SV16 @ SV127 ) ) @ SV16 )
          | ( in @ ( ordered_pair @ ( sK28_SY536 @ SV127 @ SV16 ) @ ( sK32_SY628 @ SV16 @ SV127 ) ) @ SV127 ) )
        = $false )
      | ( ( subset @ SV16 @ SV127 )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1289]) ).

thf(1383,plain,
    ! [SV72: $i,SV17: $i,SV108: $i,SV149: $i] :
      ( ( ( ~ ( in @ SV149 @ SV108 ) )
        = $true )
      | ( ( ( in @ SV149 @ SV17 )
          | ( in @ SV149 @ SV72 ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1290]) ).

thf(1384,plain,
    ! [SV108: $i,SV72: $i,SV17: $i,SV149: $i] :
      ( ( ( ~ ( ( in @ SV149 @ SV17 )
              | ( in @ SV149 @ SV72 ) ) )
        = $true )
      | ( ( in @ SV149 @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1291]) ).

thf(1385,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1292]) ).

thf(1386,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1292]) ).

thf(1387,plain,
    ! [SV20: $i,SV128: $i,SV135: $i,SV169: $i] :
      ( ( ( ! [SY632: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV169 @ SY632 ) @ SV135 )
                    | ~ ( ~ ( in @ SV169 @ SV128 )
                        | ~ ( in @ ( ordered_pair @ SV169 @ SY632 ) @ SV20 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SV169 @ SV128 )
                          | ~ ( in @ ( ordered_pair @ SV169 @ SY632 ) @ SV20 ) )
                    | ( in @ ( ordered_pair @ SV169 @ SY632 ) @ SV135 ) ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1293]) ).

thf(1388,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ! [SY633: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SY633 ) @ SV135 )
                    | ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                        | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SY633 ) @ SV20 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                          | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SY633 ) @ SV20 ) )
                    | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SY633 ) @ SV135 ) ) ) )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1294]) ).

thf(1389,plain,
    ! [SV21: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV21 )
              | ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV74 ) ) )
        = $true )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1295]) ).

thf(1390,plain,
    ! [SV74: $i,SV21: $i,SV159: $i] :
      ( ( ( ~ ( in @ SV159 @ SV21 )
          | ~ ( in @ SV159 @ SV74 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1296]) ).

thf(1391,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( in @ SV22 @ SV75 )
        = $true )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1297]) ).

thf(1392,plain,
    ! [SV75: $i,SV109: $i,SV22: $i] :
      ( ( ( in @ SV22 @ ( relation_rng @ SV109 ) )
        = $true )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $false )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1298]) ).

thf(1393,plain,
    ! [SV109: $i,SV75: $i,SV22: $i] :
      ( ( ( in @ SV22 @ SV75 )
        = $false )
      | ( ( ~ ( in @ SV22 @ ( relation_rng @ SV109 ) ) )
        = $true )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1299]) ).

thf(1394,plain,
    ! [SV23: $i] :
      ( ( in @ SV23 @ ( sK3_SY291 @ SV23 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1300]) ).

thf(1395,plain,
    ! [SV23: $i] :
      ( ( ! [SY490: $i,SY491: $i] :
            ( ~ ~ ( ~ ( in @ SY490 @ ( sK3_SY291 @ SV23 ) )
                  | ~ ( subset @ SY491 @ SY490 ) )
            | ( in @ SY491 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1301]) ).

thf(1396,plain,
    ! [SV23: $i,SV160: $i] :
      ( ( ( in @ SV160 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( in @ ( powerset @ SV160 ) @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1302]) ).

thf(1397,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( ~ ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
          | ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1303]) ).

thf(1398,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( ! [SY434: $i] :
              ~ ( ~ ( ~ ( in @ SY434 @ SV78 )
                    | ! [SY300: $i] :
                        ( ~ ( in @ SY300 @ SV26 )
                        | ( in @ SY434 @ SY300 ) ) )
                | ~ ( ~ ! [SY301: $i] :
                          ( ~ ( in @ SY301 @ SV26 )
                          | ( in @ SY434 @ SY301 ) )
                    | ( in @ SY434 @ SV78 ) ) ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1304]) ).

thf(1399,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ! [SY437: $i] :
              ~ ( ~ ( ~ ( in @ SY437 @ SV78 )
                    | ! [SY303: $i] :
                        ( ~ ( in @ SY303 @ SV26 )
                        | ( in @ SY437 @ SY303 ) ) )
                | ~ ( ~ ! [SY304: $i] :
                          ( ~ ( in @ SY304 @ SV26 )
                          | ( in @ SY437 @ SY304 ) )
                    | ( in @ SY437 @ SV78 ) ) ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1305]) ).

thf(1400,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV110 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1308]) ).

thf(1401,plain,
    ! [SV110: $i,SV129: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1308]) ).

thf(1402,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV110 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1309]) ).

thf(1403,plain,
    ! [SV111: $i,SV29: $i,SV130: $i,SV81: $i] :
      ( ( ( in @ SV81 @ SV130 )
        = $false )
      | ( ( in @ SV29 @ SV111 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV29 @ SV81 ) @ ( cartesian_product2 @ SV111 @ SV130 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1312]) ).

thf(1404,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV161: $i] :
      ( ( ( ~ ( ~ ( in @ SV161 @ SV136 )
              | ~ ! [SY619: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY619 @ SV161 ) @ SV30 )
                        | ~ ( in @ SY619 @ SV131 ) ) ) )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1313]) ).

thf(1405,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i] :
      ( ( ( ~ ( ~ ~ ! [SY620: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY620 @ SV161 ) @ SV30 )
                          | ~ ( in @ SY620 @ SV131 ) )
              | ( in @ SV161 @ SV136 ) ) )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1313]) ).

thf(1406,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
              | ~ ! [SY621: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SY621 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                        | ~ ( in @ SY621 @ SV131 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1314]) ).

thf(1407,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( element @ SV84 @ SV34 )
        = $false )
      | ( ( in @ SV84 @ SV34 )
        = $true )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1316]) ).

thf(1408,plain,
    ! [SV34: $i,SV84: $i] :
      ( ( ( in @ SV84 @ SV34 )
        = $false )
      | ( ( element @ SV84 @ SV34 )
        = $true )
      | ( ( empty @ SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1317]) ).

thf(1409,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( ! [SY634: $i] :
              ( SV140
             != ( ordered_pair @ ( sK34_SY589 @ SV35 @ SV140 ) @ SY634 ) ) )
        = $false )
      | ( ( in @ SV140 @ SV35 )
        = $false )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1320]) ).

thf(1410,plain,
    ! [SV170: $i,SV165: $i,SV35: $i] :
      ( ( ( ( sK9_SY328 @ SV35 )
         != ( ordered_pair @ SV165 @ SV170 ) )
        = $true )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1321]) ).

thf(1411,plain,
    ! [SV87: $i,SV39: $i,SV137: $i,SV171: $i] :
      ( ( ( ! [SY635: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV171 @ SY635 ) @ SV137 )
                    | ~ ( ~ ( in @ SY635 @ SV39 )
                        | ~ ( in @ ( ordered_pair @ SV171 @ SY635 ) @ SV87 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY635 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ SV171 @ SY635 ) @ SV87 ) )
                    | ( in @ ( ordered_pair @ SV171 @ SY635 ) @ SV137 ) ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1322]) ).

thf(1412,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ! [SY636: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ SY636 ) @ SV137 )
                    | ~ ( ~ ( in @ SY636 @ SV39 )
                        | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ SY636 ) @ SV87 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY636 @ SV39 )
                          | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ SY636 ) @ SV87 ) )
                    | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ SY636 ) @ SV137 ) ) ) )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1323]) ).

thf(1413,plain,
    ! [SV41: $i,SV88: $i,SV144: $i] :
      ( ( ( in @ SV144 @ SV88 )
        = $false )
      | ( ( SV144 = SV41 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1324]) ).

thf(1414,plain,
    ! [SV88: $i,SV41: $i,SV144: $i] :
      ( ( ( SV144 = SV41 )
        = $false )
      | ( ( in @ SV144 @ SV88 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1325]) ).

thf(1415,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
        = $true )
      | ( ( ~ ( ( ( sK12_SY454 @ SV41 @ SV88 )
               != SV41 )
              | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) ) )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1326]) ).

thf(1416,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ( ( sK12_SY454 @ SV41 @ SV88 )
           != SV41 )
          | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) )
        = $false )
      | ( ( ( sK12_SY454 @ SV41 @ SV88 )
          = SV41 )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1327]) ).

thf(1417,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( ~ ! [SY593: $i] :
                ~ ~ ( ~ ( in @ SV145 @ SY593 )
                    | ~ ( in @ SY593 @ SV42 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1328]) ).

thf(1418,plain,
    ! [SV89: $i,SV42: $i,SV145: $i] :
      ( ( ( ~ ! [SY594: $i] :
                ~ ~ ( ~ ( in @ SV145 @ SY594 )
                    | ~ ( in @ SY594 @ SV42 ) ) )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1329]) ).

thf(1419,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1330]) ).

thf(1420,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ! [SY595: $i] :
              ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY595 )
                  | ~ ( in @ SY595 @ SV42 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1331]) ).

thf(1421,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( in @ SV43 @ SV90 )
        = $true )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1332]) ).

thf(1422,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( in @ SV43 @ ( relation_dom @ SV116 ) )
        = $true )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $false )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1333]) ).

thf(1423,plain,
    ! [SV116: $i,SV90: $i,SV43: $i] :
      ( ( ( in @ SV43 @ SV90 )
        = $false )
      | ( ( ~ ( in @ SV43 @ ( relation_dom @ SV116 ) ) )
        = $true )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1334]) ).

thf(1424,plain,
    ! [SV46: $i] :
      ( ( in @ SV46 @ ( sK4_SY357 @ SV46 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1335]) ).

thf(1425,plain,
    ! [SV46: $i] :
      ( ( ! [SY496: $i,SY497: $i] :
            ( ~ ~ ( ~ ( in @ SY496 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ( subset @ SY497 @ SY496 ) )
            | ( in @ SY497 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1336]) ).

thf(1426,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ~ ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        | ~ ! [SY623: $i] :
              ~ ~ ( ~ ( in @ SY623 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ! [SY624: $i] :
                        ( ~ ( subset @ SY624 @ SV162 )
                        | ( in @ SY624 @ SY623 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1337]) ).

thf(1427,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( ~ ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
          | ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1338]) ).

thf(1428,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( ~ ( in @ SV155 @ SV132 )
          | ~ ! [SY611: $i] :
                ~ ( in @ ( ordered_pair @ SV155 @ SY611 ) @ SV47 ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1339]) ).

thf(1429,plain,
    ! [SV132: $i,SV47: $i,SV155: $i] :
      ( ( ( ~ ~ ! [SY612: $i] :
                  ~ ( in @ ( ordered_pair @ SV155 @ SY612 ) @ SV47 )
          | ( in @ SV155 @ SV132 ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1340]) ).

thf(1430,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
          | ~ ! [SY613: $i] :
                ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY613 ) @ SV47 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1341]) ).

thf(1431,plain,
    ! [SV49: $i,SV133: $i,SV172: $i,SV166: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 )
                  | ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 ) )
              | ~ ( ~ ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 )
                  | ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 ) ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1342]) ).

thf(1432,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
                  | ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 ) )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
                  | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) ) ) )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1343]) ).

thf(1433,plain,
    ! [SV100: $i,SV56: $i,SV118: $i,SV150: $i] :
      ( ( ( ~ ( in @ SV150 @ SV118 ) )
        = $true )
      | ( ( ( SV150 = SV56 )
          | ( SV150 = SV100 ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1344]) ).

thf(1434,plain,
    ! [SV118: $i,SV100: $i,SV56: $i,SV150: $i] :
      ( ( ( ~ ( ( SV150 = SV56 )
              | ( SV150 = SV100 ) ) )
        = $true )
      | ( ( in @ SV150 @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1345]) ).

thf(1435,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1346]) ).

thf(1436,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV56 )
          | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV100 ) )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1346]) ).

thf(1437,plain,
    ! [SV102: $i,SV58: $i,SV119: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV119 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV151 @ SV58 )
              | ~ ~ ( in @ SV151 @ SV102 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1347]) ).

thf(1438,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV151 @ SV58 )
                | ~ ~ ( in @ SV151 @ SV102 ) ) )
        = $true )
      | ( ( in @ SV151 @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1348]) ).

thf(1439,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1349]) ).

thf(1440,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
              | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1349]) ).

thf(1441,plain,
    ! [SV104: $i,SV60: $i,SV121: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV121 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV152 @ SV60 )
              | ~ ( in @ SV152 @ SV104 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1351]) ).

thf(1442,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV152 @ SV60 )
                | ~ ( in @ SV152 @ SV104 ) ) )
        = $true )
      | ( ( in @ SV152 @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1352]) ).

thf(1443,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1353]) ).

thf(1444,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
              | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1353]) ).

thf(1445,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( ( relation_dom @ SV66 )
           != SV6 )
          | ~ ! [SY407: $i] :
                ( ~ ( in @ SY407 @ SV6 )
                | ( ( apply @ SV66 @ SY407 )
                  = SY407 ) ) )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1357]) ).

thf(1446,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( ( relation_dom @ SV66 )
           != SV6 )
          | ~ ! [SY408: $i] :
                ( ~ ( in @ SY408 @ SV6 )
                | ( ( apply @ SV66 @ SY408 )
                  = SY408 ) ) )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1358]) ).

thf(1447,plain,
    ! [SV123: $i,SV8: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 )
              | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 ) )
          | ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 )
              | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 ) ) )
        = $false )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1360]) ).

thf(1448,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 ) )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1361]) ).

thf(1449,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( ! [SY581: $i,SY582: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 )
                    | ~ ! [SY515: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY515 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY515 @ SY582 ) @ SV124 ) ) )
                | ~ ( ~ ~ ! [SY516: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY581 @ SY516 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY516 @ SY582 ) @ SV124 ) )
                    | ( in @ ( ordered_pair @ SY581 @ SY582 ) @ SV139 ) ) ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1362]) ).

thf(1450,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ! [SY585: $i,SY586: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 )
                    | ~ ! [SY519: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY519 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY519 @ SY586 ) @ SV124 ) ) )
                | ~ ( ~ ~ ! [SY520: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SY585 @ SY520 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY520 @ SY586 ) @ SV124 ) )
                    | ( in @ ( ordered_pair @ SY585 @ SY586 ) @ SV139 ) ) ) )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1363]) ).

thf(1451,plain,
    ! [SV69: $i,SV11: $i,SV107: $i,SV148: $i] :
      ( ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( ~ ! [SY597: $i] :
                ~ ~ ! [SY598: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY597 @ SV11 )
                                | ~ ( in @ SY598 @ SV69 ) )
                          | ( SV148
                           != ( ordered_pair @ SY597 @ SY598 ) ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1364]) ).

thf(1452,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ! [SY599: $i] :
                ~ ~ ! [SY600: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY599 @ SV11 )
                                | ~ ( in @ SY600 @ SV69 ) )
                          | ( SV148
                           != ( ordered_pair @ SY599 @ SY600 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1365]) ).

thf(1453,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1366]) ).

thf(1454,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ! [SY601: $i] :
              ~ ~ ! [SY602: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY601 @ SV11 )
                              | ~ ( in @ SY602 @ SV69 ) )
                        | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                         != ( ordered_pair @ SY601 @ SY602 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1367]) ).

thf(1455,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
          | ~ ( ~ ( in @ SV153 @ SV12 )
              | ( SV153 != SV157 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1368]) ).

thf(1456,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV153 @ SV12 )
                | ( SV153 != SV157 ) )
          | ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1369]) ).

thf(1457,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
          | ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
              | ( ( sK20_SY424 @ SV12 @ SV70 )
               != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1370]) ).

thf(1458,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
          | ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 ) )
        = $false )
      | ( ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1373]) ).

thf(1459,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 ) )
        = $false )
      | ( ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1374]) ).

thf(1460,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
        = $false )
      | ( ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1374]) ).

thf(1461,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( in @ SV158 @ SV134 )
          | ~ ! [SY615: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY615 ) @ SV14 )
                    | ~ ( in @ SY615 @ SV125 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1375]) ).

thf(1462,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV158: $i] :
      ( ( ( ~ ~ ! [SY616: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY616 ) @ SV14 )
                      | ~ ( in @ SY616 @ SV125 ) )
          | ( in @ SV158 @ SV134 ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1376]) ).

thf(1463,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
          | ~ ! [SY617: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY617 ) @ SV14 )
                    | ~ ( in @ SY617 @ SV125 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1377]) ).

thf(1464,plain,
    ! [SV15: $i,SV126: $i,SV154: $i] :
      ( ( ( ~ ( in @ SV154 @ SV126 ) )
        = $true )
      | ( ( ~ ! [SY607: $i] :
                ~ ( in @ ( ordered_pair @ SY607 @ SV154 ) @ SV15 ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1378]) ).

thf(1465,plain,
    ! [SV126: $i,SV15: $i,SV154: $i] :
      ( ( ( ~ ~ ! [SY608: $i] :
                  ~ ( in @ ( ordered_pair @ SY608 @ SV154 ) @ SV15 ) )
        = $true )
      | ( ( in @ SV154 @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1379]) ).

thf(1466,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1380]) ).

thf(1467,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ! [SY609: $i] :
                ~ ( in @ ( ordered_pair @ SY609 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1380]) ).

thf(1468,plain,
    ! [SV127: $i,SV16: $i,SV168: $i,SV164: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV164 @ SV168 ) @ SV16 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV164 @ SV168 ) @ SV127 )
        = $true )
      | ( ( subset @ SV16 @ SV127 )
        = $false )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1381]) ).

thf(1469,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK28_SY536 @ SV127 @ SV16 ) @ ( sK32_SY628 @ SV16 @ SV127 ) ) @ SV16 ) )
        = $false )
      | ( ( subset @ SV16 @ SV127 )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1382]) ).

thf(1470,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK28_SY536 @ SV127 @ SV16 ) @ ( sK32_SY628 @ SV16 @ SV127 ) ) @ SV127 )
        = $false )
      | ( ( subset @ SV16 @ SV127 )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1382]) ).

thf(1471,plain,
    ! [SV72: $i,SV17: $i,SV108: $i,SV149: $i] :
      ( ( ( in @ SV149 @ SV108 )
        = $false )
      | ( ( ( in @ SV149 @ SV17 )
          | ( in @ SV149 @ SV72 ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1383]) ).

thf(1472,plain,
    ! [SV108: $i,SV72: $i,SV17: $i,SV149: $i] :
      ( ( ( ( in @ SV149 @ SV17 )
          | ( in @ SV149 @ SV72 ) )
        = $false )
      | ( ( in @ SV149 @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1384]) ).

thf(1473,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $true )
      | ( ( ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1385]) ).

thf(1474,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1386]) ).

thf(1475,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
                  | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) ) )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1386]) ).

thf(1476,plain,
    ! [SV20: $i,SV128: $i,SV135: $i,SV173: $i,SV169: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
                  | ~ ( ~ ( in @ SV169 @ SV128 )
                      | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV169 @ SV128 )
                        | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
                  | ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 ) ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1387]) ).

thf(1477,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
                  | ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                      | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                        | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
                  | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) ) )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1388]) ).

thf(1478,plain,
    ! [SV21: $i,SV74: $i] :
      ( ( ( ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV21 )
          | ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV74 ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1389]) ).

thf(1479,plain,
    ! [SV74: $i,SV21: $i,SV159: $i] :
      ( ( ( ~ ( in @ SV159 @ SV21 ) )
        = $true )
      | ( ( ~ ( in @ SV159 @ SV74 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1390]) ).

thf(1480,plain,
    ! [SV75: $i,SV109: $i,SV22: $i] :
      ( ( ( in @ SV22 @ ( relation_rng @ SV109 ) )
        = $false )
      | ( ( in @ SV22 @ SV75 )
        = $false )
      | ( ( in @ SV22 @ ( relation_rng @ ( relation_rng_restriction @ SV75 @ SV109 ) ) )
        = $true )
      | ( ( relation @ SV109 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1393]) ).

thf(1481,plain,
    ! [SV23: $i,SV174: $i] :
      ( ( ! [SY637: $i] :
            ( ~ ~ ( ~ ( in @ SV174 @ ( sK3_SY291 @ SV23 ) )
                  | ~ ( subset @ SY637 @ SV174 ) )
            | ( in @ SY637 @ ( sK3_SY291 @ SV23 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1395]) ).

thf(1482,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( ~ ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true )
      | ( ( ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1397]) ).

thf(1483,plain,
    ! [SV26: $i,SV78: $i,SV175: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV175 @ SV78 )
                  | ! [SY638: $i] :
                      ( ~ ( in @ SY638 @ SV26 )
                      | ( in @ SV175 @ SY638 ) ) )
              | ~ ( ~ ! [SY639: $i] :
                        ( ~ ( in @ SY639 @ SV26 )
                        | ( in @ SV175 @ SY639 ) )
                  | ( in @ SV175 @ SV78 ) ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1398]) ).

thf(1484,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
                  | ! [SY640: $i] :
                      ( ~ ( in @ SY640 @ SV26 )
                      | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY640 ) ) )
              | ~ ( ~ ! [SY641: $i] :
                        ( ~ ( in @ SY641 @ SV26 )
                        | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
                  | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1399]) ).

thf(1485,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( in @ SV27 @ SV110 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1400]) ).

thf(1486,plain,
    ! [SV110: $i,SV129: $i,SV79: $i,SV27: $i] :
      ( ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $false )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1401]) ).

thf(1487,plain,
    ! [SV129: $i,SV79: $i,SV110: $i,SV27: $i] :
      ( ( ( in @ SV27 @ SV110 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1402]) ).

thf(1488,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV161: $i] :
      ( ( ( ~ ( in @ SV161 @ SV136 )
          | ~ ! [SY619: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY619 @ SV161 ) @ SV30 )
                    | ~ ( in @ SY619 @ SV131 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1404]) ).

thf(1489,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i] :
      ( ( ( ~ ~ ! [SY620: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY620 @ SV161 ) @ SV30 )
                      | ~ ( in @ SY620 @ SV131 ) )
          | ( in @ SV161 @ SV136 ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1405]) ).

thf(1490,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
          | ~ ! [SY621: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY621 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                    | ~ ( in @ SY621 @ SV131 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1406]) ).

thf(1491,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( SV140
         != ( ordered_pair @ ( sK34_SY589 @ SV35 @ SV140 ) @ ( sK39_SY634 @ SV35 @ SV140 ) ) )
        = $false )
      | ( ( in @ SV140 @ SV35 )
        = $false )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1409]) ).

thf(1492,plain,
    ! [SV170: $i,SV165: $i,SV35: $i] :
      ( ( ( ( sK9_SY328 @ SV35 )
          = ( ordered_pair @ SV165 @ SV170 ) )
        = $false )
      | ( ( relation @ SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1410]) ).

thf(1493,plain,
    ! [SV87: $i,SV39: $i,SV137: $i,SV176: $i,SV171: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
                  | ~ ( ~ ( in @ SV176 @ SV39 )
                      | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV176 @ SV39 )
                        | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
                  | ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 ) ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1411]) ).

thf(1494,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
                  | ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                      | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                        | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
                  | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) ) )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1412]) ).

thf(1495,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ( ( sK12_SY454 @ SV41 @ SV88 )
           != SV41 )
          | ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 ) )
        = $false )
      | ( ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1415]) ).

thf(1496,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ( sK12_SY454 @ SV41 @ SV88 )
         != SV41 )
        = $false )
      | ( ( ( sK12_SY454 @ SV41 @ SV88 )
          = SV41 )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1416]) ).

thf(1497,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
        = $false )
      | ( ( ( sK12_SY454 @ SV41 @ SV88 )
          = SV41 )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1416]) ).

thf(1498,plain,
    ! [SV89: $i,SV42: $i,SV145: $i] :
      ( ( ( ! [SY593: $i] :
              ~ ~ ( ~ ( in @ SV145 @ SY593 )
                  | ~ ( in @ SY593 @ SV42 ) ) )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1417]) ).

thf(1499,plain,
    ! [SV89: $i,SV42: $i,SV145: $i] :
      ( ( ( ! [SY594: $i] :
              ~ ~ ( ~ ( in @ SV145 @ SY594 )
                  | ~ ( in @ SY594 @ SV42 ) ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1418]) ).

thf(1500,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ~ ! [SY596: $i] :
                  ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                      | ~ ( in @ SY596 @ SV42 ) )
          | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1419]) ).

thf(1501,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
                | ~ ( in @ SV177 @ SV42 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1420]) ).

thf(1502,plain,
    ! [SV90: $i,SV116: $i,SV43: $i] :
      ( ( ( in @ SV43 @ ( relation_dom @ SV116 ) )
        = $false )
      | ( ( in @ SV43 @ SV90 )
        = $false )
      | ( ( in @ SV43 @ ( relation_dom @ ( relation_dom_restriction @ SV116 @ SV90 ) ) )
        = $true )
      | ( ( relation @ SV116 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1423]) ).

thf(1503,plain,
    ! [SV46: $i,SV178: $i] :
      ( ( ! [SY642: $i] :
            ( ~ ~ ( ~ ( in @ SV178 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ( subset @ SY642 @ SV178 ) )
            | ( in @ SY642 @ ( sK4_SY357 @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1425]) ).

thf(1504,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( ~ ( in @ SV162 @ ( sK4_SY357 @ SV46 ) ) )
        = $true )
      | ( ( ~ ! [SY623: $i] :
                ~ ~ ( ~ ( in @ SY623 @ ( sK4_SY357 @ SV46 ) )
                    | ~ ! [SY624: $i] :
                          ( ~ ( subset @ SY624 @ SV162 )
                          | ( in @ SY624 @ SY623 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1426]) ).

thf(1505,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( ~ ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true )
      | ( ( ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1427]) ).

thf(1506,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( ~ ( in @ SV155 @ SV132 ) )
        = $true )
      | ( ( ~ ! [SY611: $i] :
                ~ ( in @ ( ordered_pair @ SV155 @ SY611 ) @ SV47 ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1428]) ).

thf(1507,plain,
    ! [SV132: $i,SV47: $i,SV155: $i] :
      ( ( ( ~ ~ ! [SY612: $i] :
                  ~ ( in @ ( ordered_pair @ SV155 @ SY612 ) @ SV47 ) )
        = $true )
      | ( ( in @ SV155 @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1429]) ).

thf(1508,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1430]) ).

thf(1509,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ! [SY613: $i] :
                ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY613 ) @ SV47 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1430]) ).

thf(1510,plain,
    ! [SV49: $i,SV133: $i,SV172: $i,SV166: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 )
              | ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 ) )
          | ~ ( ~ ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 )
              | ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 ) ) )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1431]) ).

thf(1511,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
              | ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 ) )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
              | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1432]) ).

thf(1512,plain,
    ! [SV100: $i,SV56: $i,SV118: $i,SV150: $i] :
      ( ( ( in @ SV150 @ SV118 )
        = $false )
      | ( ( ( SV150 = SV56 )
          | ( SV150 = SV100 ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1433]) ).

thf(1513,plain,
    ! [SV118: $i,SV100: $i,SV56: $i,SV150: $i] :
      ( ( ( ( SV150 = SV56 )
          | ( SV150 = SV100 ) )
        = $false )
      | ( ( in @ SV150 @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1434]) ).

thf(1514,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $true )
      | ( ( ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1435]) ).

thf(1515,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1436]) ).

thf(1516,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV56 )
                  | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                    = SV100 ) )
              | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1436]) ).

thf(1517,plain,
    ! [SV102: $i,SV58: $i,SV119: $i,SV151: $i] :
      ( ( ( in @ SV151 @ SV119 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV151 @ SV58 )
              | ~ ~ ( in @ SV151 @ SV102 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1437]) ).

thf(1518,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ( ~ ( in @ SV151 @ SV58 )
              | ~ ~ ( in @ SV151 @ SV102 ) ) )
        = $false )
      | ( ( in @ SV151 @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1438]) ).

thf(1519,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1439]) ).

thf(1520,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
          | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1440]) ).

thf(1521,plain,
    ! [SV104: $i,SV60: $i,SV121: $i,SV152: $i] :
      ( ( ( in @ SV152 @ SV121 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV152 @ SV60 )
              | ~ ( in @ SV152 @ SV104 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1441]) ).

thf(1522,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ( ~ ( in @ SV152 @ SV60 )
              | ~ ( in @ SV152 @ SV104 ) ) )
        = $false )
      | ( ( in @ SV152 @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1442]) ).

thf(1523,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1443]) ).

thf(1524,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
          | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1444]) ).

thf(1525,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( relation_dom @ SV66 )
         != SV6 )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1445]) ).

thf(1526,plain,
    ! [SV66: $i,SV6: $i] :
      ( ( ( ~ ! [SY407: $i] :
                ( ~ ( in @ SY407 @ SV6 )
                | ( ( apply @ SV66 @ SY407 )
                  = SY407 ) ) )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1445]) ).

thf(1527,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( relation_dom @ SV66 )
         != SV6 )
        = $true )
      | ( ( ~ ! [SY408: $i] :
                ( ~ ( in @ SY408 @ SV6 )
                | ( ( apply @ SV66 @ SY408 )
                  = SY408 ) ) )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1446]) ).

thf(1528,plain,
    ! [SV123: $i,SV8: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 )
              | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 ) ) )
        = $false )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1447]) ).

thf(1529,plain,
    ! [SV8: $i,SV123: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 )
              | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 ) ) )
        = $false )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1447]) ).

thf(1530,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1448]) ).

thf(1531,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV179: $i] :
      ( ( ( ! [SY643: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY643 ) @ SV139 )
                    | ~ ! [SY644: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY644 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY644 @ SY643 ) @ SV124 ) ) )
                | ~ ( ~ ~ ! [SY645: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY645 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY645 @ SY643 ) @ SV124 ) )
                    | ( in @ ( ordered_pair @ SV179 @ SY643 ) @ SV139 ) ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1449]) ).

thf(1532,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ! [SY646: $i] :
              ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY646 ) @ SV139 )
                    | ~ ! [SY647: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY647 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY647 @ SY646 ) @ SV124 ) ) )
                | ~ ( ~ ~ ! [SY648: $i] :
                            ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY648 ) @ SV10 )
                                | ~ ( in @ ( ordered_pair @ SY648 @ SY646 ) @ SV124 ) )
                    | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY646 ) @ SV139 ) ) ) )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1450]) ).

thf(1533,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( ! [SY597: $i] :
              ~ ~ ! [SY598: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY597 @ SV11 )
                              | ~ ( in @ SY598 @ SV69 ) )
                        | ( SV148
                         != ( ordered_pair @ SY597 @ SY598 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1451]) ).

thf(1534,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( ! [SY599: $i] :
              ~ ~ ! [SY600: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY599 @ SV11 )
                              | ~ ( in @ SY600 @ SV69 ) )
                        | ( SV148
                         != ( ordered_pair @ SY599 @ SY600 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1452]) ).

thf(1535,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ~ ! [SY603: $i] :
                  ~ ~ ! [SY604: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                  | ~ ( in @ SY604 @ SV69 ) )
                            | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                             != ( ordered_pair @ SY603 @ SY604 ) ) )
          | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1453]) ).

thf(1536,plain,
    ! [SV107: $i,SV69: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ~ ! [SY649: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SV180 @ SV11 )
                            | ~ ( in @ SY649 @ SV69 ) )
                      | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                       != ( ordered_pair @ SV180 @ SY649 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1454]) ).

thf(1537,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV153 @ SV12 )
              | ( SV153 != SV157 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1455]) ).

thf(1538,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV153 @ SV12 )
                | ( SV153 != SV157 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1456]) ).

thf(1539,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1457]) ).

thf(1540,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
              | ( ( sK20_SY424 @ SV12 @ SV70 )
               != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1457]) ).

thf(1541,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( ~ ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 ) )
        = $false )
      | ( ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1458]) ).

thf(1542,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
        = $false )
      | ( ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1458]) ).

thf(1543,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
        = $true )
      | ( ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
        = $false )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1459]) ).

thf(1544,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( in @ SV158 @ SV134 ) )
        = $true )
      | ( ( ~ ! [SY615: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY615 ) @ SV14 )
                    | ~ ( in @ SY615 @ SV125 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1461]) ).

thf(1545,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV158: $i] :
      ( ( ( ~ ~ ! [SY616: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY616 ) @ SV14 )
                      | ~ ( in @ SY616 @ SV125 ) ) )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1462]) ).

thf(1546,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1463]) ).

thf(1547,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ! [SY617: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY617 ) @ SV14 )
                    | ~ ( in @ SY617 @ SV125 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1463]) ).

thf(1548,plain,
    ! [SV15: $i,SV126: $i,SV154: $i] :
      ( ( ( in @ SV154 @ SV126 )
        = $false )
      | ( ( ~ ! [SY607: $i] :
                ~ ( in @ ( ordered_pair @ SY607 @ SV154 ) @ SV15 ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1464]) ).

thf(1549,plain,
    ! [SV126: $i,SV15: $i,SV154: $i] :
      ( ( ( ~ ! [SY608: $i] :
                ~ ( in @ ( ordered_pair @ SY608 @ SV154 ) @ SV15 ) )
        = $false )
      | ( ( in @ SV154 @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1465]) ).

thf(1550,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1466]) ).

thf(1551,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ! [SY609: $i] :
              ~ ( in @ ( ordered_pair @ SY609 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1467]) ).

thf(1552,plain,
    ! [SV127: $i,SV16: $i,SV168: $i,SV164: $i] :
      ( ( ( in @ ( ordered_pair @ SV164 @ SV168 ) @ SV16 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV164 @ SV168 ) @ SV127 )
        = $true )
      | ( ( subset @ SV16 @ SV127 )
        = $false )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1468]) ).

thf(1553,plain,
    ! [SV16: $i,SV127: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK28_SY536 @ SV127 @ SV16 ) @ ( sK32_SY628 @ SV16 @ SV127 ) ) @ SV16 )
        = $true )
      | ( ( subset @ SV16 @ SV127 )
        = $true )
      | ( ( relation @ SV127 )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1469]) ).

thf(1554,plain,
    ! [SV108: $i,SV72: $i,SV17: $i,SV149: $i] :
      ( ( ( in @ SV149 @ SV17 )
        = $true )
      | ( ( in @ SV149 @ SV72 )
        = $true )
      | ( ( in @ SV149 @ SV108 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1471]) ).

thf(1555,plain,
    ! [SV72: $i,SV108: $i,SV17: $i,SV149: $i] :
      ( ( ( in @ SV149 @ SV17 )
        = $false )
      | ( ( in @ SV149 @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1472]) ).

thf(1556,plain,
    ! [SV17: $i,SV108: $i,SV72: $i,SV149: $i] :
      ( ( ( in @ SV149 @ SV72 )
        = $false )
      | ( ( in @ SV149 @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1472]) ).

thf(1557,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1473]) ).

thf(1558,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1474]) ).

thf(1559,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 ) )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1475]) ).

thf(1560,plain,
    ! [SV20: $i,SV128: $i,SV135: $i,SV173: $i,SV169: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
              | ~ ( ~ ( in @ SV169 @ SV128 )
                  | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV169 @ SV128 )
                    | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
              | ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 ) ) )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1476]) ).

thf(1561,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
              | ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                  | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1477]) ).

thf(1562,plain,
    ! [SV21: $i,SV74: $i] :
      ( ( ( ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV21 ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1478]) ).

thf(1563,plain,
    ! [SV21: $i,SV74: $i] :
      ( ( ( ~ ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV74 ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1478]) ).

thf(1564,plain,
    ! [SV74: $i,SV21: $i,SV159: $i] :
      ( ( ( in @ SV159 @ SV21 )
        = $false )
      | ( ( ~ ( in @ SV159 @ SV74 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1479]) ).

thf(1565,plain,
    ! [SV181: $i,SV23: $i,SV174: $i] :
      ( ( ~ ~ ( ~ ( in @ SV174 @ ( sK3_SY291 @ SV23 ) )
              | ~ ( subset @ SV181 @ SV174 ) )
        | ( in @ SV181 @ ( sK3_SY291 @ SV23 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1481]) ).

thf(1566,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( ~ ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1482]) ).

thf(1567,plain,
    ! [SV26: $i,SV78: $i,SV175: $i] :
      ( ( ( ~ ( ~ ( in @ SV175 @ SV78 )
              | ! [SY638: $i] :
                  ( ~ ( in @ SY638 @ SV26 )
                  | ( in @ SV175 @ SY638 ) ) )
          | ~ ( ~ ! [SY639: $i] :
                    ( ~ ( in @ SY639 @ SV26 )
                    | ( in @ SV175 @ SY639 ) )
              | ( in @ SV175 @ SV78 ) ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1483]) ).

thf(1568,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
              | ! [SY640: $i] :
                  ( ~ ( in @ SY640 @ SV26 )
                  | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY640 ) ) )
          | ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1484]) ).

thf(1569,plain,
    ! [SV110: $i,SV129: $i,SV79: $i,SV27: $i] :
      ( ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ SV129 )
        = $false )
      | ( ( in @ SV27 @ SV110 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV27 @ SV79 ) @ ( relation_composition @ ( identity_relation @ SV110 ) @ SV129 ) )
        = $true )
      | ( ( relation @ SV129 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1487]) ).

thf(1570,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV161: $i] :
      ( ( ( ~ ( in @ SV161 @ SV136 ) )
        = $true )
      | ( ( ~ ! [SY619: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY619 @ SV161 ) @ SV30 )
                    | ~ ( in @ SY619 @ SV131 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1488]) ).

thf(1571,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i] :
      ( ( ( ~ ~ ! [SY620: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY620 @ SV161 ) @ SV30 )
                      | ~ ( in @ SY620 @ SV131 ) ) )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1489]) ).

thf(1572,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1490]) ).

thf(1573,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ! [SY621: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY621 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                    | ~ ( in @ SY621 @ SV131 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1490]) ).

thf(1574,plain,
    ! [SV35: $i,SV140: $i] :
      ( ( ( SV140
          = ( ordered_pair @ ( sK34_SY589 @ SV35 @ SV140 ) @ ( sK39_SY634 @ SV35 @ SV140 ) ) )
        = $true )
      | ( ( in @ SV140 @ SV35 )
        = $false )
      | ( ( relation @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1491]) ).

thf(1575,plain,
    ! [SV87: $i,SV39: $i,SV137: $i,SV176: $i,SV171: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
              | ~ ( ~ ( in @ SV176 @ SV39 )
                  | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV176 @ SV39 )
                    | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
              | ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 ) ) )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1493]) ).

thf(1576,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
              | ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                  | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1494]) ).

thf(1577,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ( sK12_SY454 @ SV41 @ SV88 )
         != SV41 )
        = $false )
      | ( ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1495]) ).

thf(1578,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
        = $false )
      | ( ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1495]) ).

thf(1579,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ( sK12_SY454 @ SV41 @ SV88 )
          = SV41 )
        = $true )
      | ( ( ( sK12_SY454 @ SV41 @ SV88 )
          = SV41 )
        = $false )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1496]) ).

thf(1580,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV145 @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) )
                | ~ ( in @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) @ SV42 ) ) )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1498]) ).

thf(1581,plain,
    ! [SV89: $i,SV42: $i,SV182: $i,SV145: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV145 @ SV182 )
                | ~ ( in @ SV182 @ SV42 ) ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1499]) ).

thf(1582,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ~ ! [SY596: $i] :
                  ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                      | ~ ( in @ SY596 @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1500]) ).

thf(1583,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1500]) ).

thf(1584,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
              | ~ ( in @ SV177 @ SV42 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1501]) ).

thf(1585,plain,
    ! [SV183: $i,SV46: $i,SV178: $i] :
      ( ( ~ ~ ( ~ ( in @ SV178 @ ( sK4_SY357 @ SV46 ) )
              | ~ ( subset @ SV183 @ SV178 ) )
        | ( in @ SV183 @ ( sK4_SY357 @ SV46 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1503]) ).

thf(1586,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY623: $i] :
                ~ ~ ( ~ ( in @ SY623 @ ( sK4_SY357 @ SV46 ) )
                    | ~ ! [SY624: $i] :
                          ( ~ ( subset @ SY624 @ SV162 )
                          | ( in @ SY624 @ SY623 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1504]) ).

thf(1587,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( ~ ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1505]) ).

thf(1588,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( in @ SV155 @ SV132 )
        = $false )
      | ( ( ~ ! [SY611: $i] :
                ~ ( in @ ( ordered_pair @ SV155 @ SY611 ) @ SV47 ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1506]) ).

thf(1589,plain,
    ! [SV132: $i,SV47: $i,SV155: $i] :
      ( ( ( ~ ! [SY612: $i] :
                ~ ( in @ ( ordered_pair @ SV155 @ SY612 ) @ SV47 ) )
        = $false )
      | ( ( in @ SV155 @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1507]) ).

thf(1590,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1508]) ).

thf(1591,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ! [SY613: $i] :
              ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY613 ) @ SV47 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1509]) ).

thf(1592,plain,
    ! [SV49: $i,SV133: $i,SV172: $i,SV166: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 )
              | ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 ) ) )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1510]) ).

thf(1593,plain,
    ! [SV133: $i,SV49: $i,SV166: $i,SV172: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 )
              | ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 ) ) )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1510]) ).

thf(1594,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
              | ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
              | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1511]) ).

thf(1595,plain,
    ! [SV118: $i,SV100: $i,SV56: $i,SV150: $i] :
      ( ( ( SV150 = SV56 )
        = $true )
      | ( ( SV150 = SV100 )
        = $true )
      | ( ( in @ SV150 @ SV118 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1512]) ).

thf(1596,plain,
    ! [SV100: $i,SV118: $i,SV56: $i,SV150: $i] :
      ( ( ( SV150 = SV56 )
        = $false )
      | ( ( in @ SV150 @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1513]) ).

thf(1597,plain,
    ! [SV56: $i,SV118: $i,SV100: $i,SV150: $i] :
      ( ( ( SV150 = SV100 )
        = $false )
      | ( ( in @ SV150 @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1513]) ).

thf(1598,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) )
          | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) )
        = $false )
      | ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1514]) ).

thf(1599,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) )
          | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) )
        = $false )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1515]) ).

thf(1600,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) )
          | ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 ) )
        = $false )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1516]) ).

thf(1601,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV58 )
          | ~ ~ ( in @ SV151 @ SV102 ) )
        = $false )
      | ( ( in @ SV151 @ SV119 )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1517]) ).

thf(1602,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV58 )
          | ~ ~ ( in @ SV151 @ SV102 ) )
        = $true )
      | ( ( in @ SV151 @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1518]) ).

thf(1603,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
          | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1519]) ).

thf(1604,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 ) )
        = $true )
      | ( ( ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1520]) ).

thf(1605,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV60 )
          | ~ ( in @ SV152 @ SV104 ) )
        = $false )
      | ( ( in @ SV152 @ SV121 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1521]) ).

thf(1606,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV60 )
          | ~ ( in @ SV152 @ SV104 ) )
        = $true )
      | ( ( in @ SV152 @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1522]) ).

thf(1607,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
          | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1523]) ).

thf(1608,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 ) )
        = $true )
      | ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1524]) ).

thf(1609,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( relation_dom @ SV66 )
          = SV6 )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1525]) ).

thf(1610,plain,
    ! [SV66: $i,SV6: $i] :
      ( ( ( ! [SY407: $i] :
              ( ~ ( in @ SY407 @ SV6 )
              | ( ( apply @ SV66 @ SY407 )
                = SY407 ) ) )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1526]) ).

thf(1611,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( relation_dom @ SV66 )
          = SV6 )
        = $false )
      | ( ( ~ ! [SY408: $i] :
                ( ~ ( in @ SY408 @ SV6 )
                | ( ( apply @ SV66 @ SY408 )
                  = SY408 ) ) )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1527]) ).

thf(1612,plain,
    ! [SV123: $i,SV8: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 )
          | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1528]) ).

thf(1613,plain,
    ! [SV8: $i,SV123: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 )
          | ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1529]) ).

thf(1614,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
          | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1530]) ).

thf(1615,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV184: $i,SV179: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
                  | ~ ! [SY650: $i] :
                        ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY650 ) @ SV10 )
                            | ~ ( in @ ( ordered_pair @ SY650 @ SV184 ) @ SV124 ) ) )
              | ~ ( ~ ~ ! [SY651: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY651 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY651 @ SV184 ) @ SV124 ) )
                  | ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 ) ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1531]) ).

thf(1616,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
                  | ~ ! [SY652: $i] :
                        ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY652 ) @ SV10 )
                            | ~ ( in @ ( ordered_pair @ SY652 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
              | ~ ( ~ ~ ! [SY653: $i] :
                          ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                              | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
                  | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) ) )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1532]) ).

thf(1617,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ~ ! [SY654: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
                            | ~ ( in @ SY654 @ SV69 ) )
                      | ( SV148
                       != ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SY654 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1533]) ).

thf(1618,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ~ ! [SY655: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SV185 @ SV11 )
                            | ~ ( in @ SY655 @ SV69 ) )
                      | ( SV148
                       != ( ordered_pair @ SV185 @ SY655 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1534]) ).

thf(1619,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ~ ! [SY603: $i] :
                  ~ ~ ! [SY604: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                  | ~ ( in @ SY604 @ SV69 ) )
                            | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                             != ( ordered_pair @ SY603 @ SY604 ) ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1535]) ).

thf(1620,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1535]) ).

thf(1621,plain,
    ! [SV107: $i,SV69: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ! [SY649: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SV180 @ SV11 )
                          | ~ ( in @ SY649 @ SV69 ) )
                    | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                     != ( ordered_pair @ SV180 @ SY649 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1536]) ).

thf(1622,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV153 @ SV12 )
              | ( SV153 != SV157 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1537]) ).

thf(1623,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( in @ SV153 @ SV12 )
              | ( SV153 != SV157 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1538]) ).

thf(1624,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1539]) ).

thf(1625,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
          | ( ( sK20_SY424 @ SV12 @ SV70 )
           != ( sK23_SY606 @ SV70 @ SV12 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1540]) ).

thf(1626,plain,
    ! [SV71: $i,SV13: $i] :
      ( ( ( subset @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV13 )
        = $true )
      | ( ( in @ ( sK11_SY427 @ SV13 @ SV71 ) @ SV71 )
        = $true )
      | ( ( SV71
          = ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1541]) ).

thf(1627,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV158: $i] :
      ( ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( ~ ! [SY615: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY615 ) @ SV14 )
                    | ~ ( in @ SY615 @ SV125 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1544]) ).

thf(1628,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV158: $i] :
      ( ( ( ~ ! [SY616: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY616 ) @ SV14 )
                    | ~ ( in @ SY616 @ SV125 ) ) )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1545]) ).

thf(1629,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1546]) ).

thf(1630,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ! [SY617: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY617 ) @ SV14 )
                  | ~ ( in @ SY617 @ SV125 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1547]) ).

thf(1631,plain,
    ! [SV126: $i,SV15: $i,SV154: $i] :
      ( ( ( ! [SY607: $i] :
              ~ ( in @ ( ordered_pair @ SY607 @ SV154 ) @ SV15 ) )
        = $false )
      | ( ( in @ SV154 @ SV126 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1548]) ).

thf(1632,plain,
    ! [SV126: $i,SV15: $i,SV154: $i] :
      ( ( ( ! [SY608: $i] :
              ~ ( in @ ( ordered_pair @ SY608 @ SV154 ) @ SV15 ) )
        = $true )
      | ( ( in @ SV154 @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1549]) ).

thf(1633,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY610: $i] :
                  ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
          | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) )
        = $false )
      | ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1550]) ).

thf(1634,plain,
    ! [SV126: $i,SV15: $i,SV186: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1551]) ).

thf(1635,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) ) )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1557]) ).

thf(1636,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1557]) ).

thf(1637,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) ) )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1638,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1639,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ~ ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
              | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) ) )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1559]) ).

thf(1640,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $false )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1559]) ).

thf(1641,plain,
    ! [SV20: $i,SV128: $i,SV135: $i,SV173: $i,SV169: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
              | ~ ( ~ ( in @ SV169 @ SV128 )
                  | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) ) )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1560]) ).

thf(1642,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV169 @ SV128 )
                    | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
              | ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 ) ) )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1560]) ).

thf(1643,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
              | ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                  | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1561]) ).

thf(1644,plain,
    ! [SV21: $i,SV74: $i] :
      ( ( ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV21 )
        = $true )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1562]) ).

thf(1645,plain,
    ! [SV21: $i,SV74: $i] :
      ( ( ( in @ ( sK29_SY431 @ SV74 @ SV21 ) @ SV74 )
        = $true )
      | ( ( disjoint @ SV21 @ SV74 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1563]) ).

thf(1646,plain,
    ! [SV21: $i,SV74: $i,SV159: $i] :
      ( ( ( in @ SV159 @ SV74 )
        = $false )
      | ( ( in @ SV159 @ SV21 )
        = $false )
      | ( ( ~ ( disjoint @ SV21 @ SV74 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1564]) ).

thf(1647,plain,
    ! [SV181: $i,SV23: $i,SV174: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV174 @ ( sK3_SY291 @ SV23 ) )
                | ~ ( subset @ SV181 @ SV174 ) ) )
        = $true )
      | ( ( in @ SV181 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1565]) ).

thf(1648,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( ~ ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $false )
      | ( ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1566]) ).

thf(1649,plain,
    ! [SV26: $i,SV78: $i,SV175: $i] :
      ( ( ( ~ ( ~ ( in @ SV175 @ SV78 )
              | ! [SY638: $i] :
                  ( ~ ( in @ SY638 @ SV26 )
                  | ( in @ SV175 @ SY638 ) ) ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1567]) ).

thf(1650,plain,
    ! [SV78: $i,SV175: $i,SV26: $i] :
      ( ( ( ~ ( ~ ! [SY639: $i] :
                    ( ~ ( in @ SY639 @ SV26 )
                    | ( in @ SV175 @ SY639 ) )
              | ( in @ SV175 @ SV78 ) ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1567]) ).

thf(1651,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
              | ! [SY640: $i] :
                  ( ~ ( in @ SY640 @ SV26 )
                  | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY640 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1568]) ).

thf(1652,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV161: $i] :
      ( ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( ~ ! [SY619: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY619 @ SV161 ) @ SV30 )
                    | ~ ( in @ SY619 @ SV131 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1570]) ).

thf(1653,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i] :
      ( ( ( ~ ! [SY620: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY620 @ SV161 ) @ SV30 )
                    | ~ ( in @ SY620 @ SV131 ) ) )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1571]) ).

thf(1654,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1572]) ).

thf(1655,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ! [SY621: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SY621 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                  | ~ ( in @ SY621 @ SV131 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1573]) ).

thf(1656,plain,
    ! [SV87: $i,SV39: $i,SV137: $i,SV176: $i,SV171: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
              | ~ ( ~ ( in @ SV176 @ SV39 )
                  | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) ) )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1575]) ).

thf(1657,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV176 @ SV39 )
                    | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
              | ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 ) ) )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1575]) ).

thf(1658,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
              | ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                  | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1576]) ).

thf(1659,plain,
    ! [SV88: $i,SV41: $i] :
      ( ( ( ( sK12_SY454 @ SV41 @ SV88 )
          = SV41 )
        = $true )
      | ( ( in @ ( sK12_SY454 @ SV41 @ SV88 ) @ SV88 )
        = $true )
      | ( ( SV88
          = ( singleton @ SV41 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1577]) ).

thf(1660,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ SV145 @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) )
              | ~ ( in @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) @ SV42 ) ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1580]) ).

thf(1661,plain,
    ! [SV89: $i,SV42: $i,SV182: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ SV145 @ SV182 )
              | ~ ( in @ SV182 @ SV42 ) ) )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1581]) ).

thf(1662,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ! [SY596: $i] :
                ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                    | ~ ( in @ SY596 @ SV42 ) ) )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1582]) ).

thf(1663,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
          | ~ ( in @ SV177 @ SV42 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1584]) ).

thf(1664,plain,
    ! [SV183: $i,SV46: $i,SV178: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV178 @ ( sK4_SY357 @ SV46 ) )
                | ~ ( subset @ SV183 @ SV178 ) ) )
        = $true )
      | ( ( in @ SV183 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1585]) ).

thf(1665,plain,
    ! [SV162: $i,SV46: $i] :
      ( ( ( ! [SY623: $i] :
              ~ ~ ( ~ ( in @ SY623 @ ( sK4_SY357 @ SV46 ) )
                  | ~ ! [SY624: $i] :
                        ( ~ ( subset @ SY624 @ SV162 )
                        | ( in @ SY624 @ SY623 ) ) ) )
        = $false )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1586]) ).

thf(1666,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( ~ ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $false )
      | ( ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1587]) ).

thf(1667,plain,
    ! [SV132: $i,SV47: $i,SV155: $i] :
      ( ( ( ! [SY611: $i] :
              ~ ( in @ ( ordered_pair @ SV155 @ SY611 ) @ SV47 ) )
        = $false )
      | ( ( in @ SV155 @ SV132 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1588]) ).

thf(1668,plain,
    ! [SV132: $i,SV47: $i,SV155: $i] :
      ( ( ( ! [SY612: $i] :
              ~ ( in @ ( ordered_pair @ SV155 @ SY612 ) @ SV47 ) )
        = $true )
      | ( ( in @ SV155 @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1589]) ).

thf(1669,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ~ ! [SY614: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
          | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) )
        = $false )
      | ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1590]) ).

thf(1670,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1591]) ).

thf(1671,plain,
    ! [SV49: $i,SV133: $i,SV172: $i,SV166: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 )
          | ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1592]) ).

thf(1672,plain,
    ! [SV133: $i,SV49: $i,SV166: $i,SV172: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 )
          | ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1593]) ).

thf(1673,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
          | ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
              | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1594]) ).

thf(1674,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) ) )
        = $false )
      | ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1598]) ).

thf(1675,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $false )
      | ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1598]) ).

thf(1676,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) ) )
        = $false )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1599]) ).

thf(1677,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $false )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1599]) ).

thf(1678,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ~ ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV56 )
              | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
                = SV100 ) ) )
        = $false )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1600]) ).

thf(1679,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $false )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1600]) ).

thf(1680,plain,
    ! [SV102: $i,SV119: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV58 ) )
        = $false )
      | ( ( in @ SV151 @ SV119 )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1601]) ).

thf(1681,plain,
    ! [SV58: $i,SV119: $i,SV102: $i,SV151: $i] :
      ( ( ( ~ ~ ( in @ SV151 @ SV102 ) )
        = $false )
      | ( ( in @ SV151 @ SV119 )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1601]) ).

thf(1682,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV58 ) )
        = $true )
      | ( ( ~ ~ ( in @ SV151 @ SV102 ) )
        = $true )
      | ( ( in @ SV151 @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1602]) ).

thf(1683,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1603]) ).

thf(1684,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1603]) ).

thf(1685,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1604]) ).

thf(1686,plain,
    ! [SV104: $i,SV121: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV60 ) )
        = $false )
      | ( ( in @ SV152 @ SV121 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1605]) ).

thf(1687,plain,
    ! [SV60: $i,SV121: $i,SV104: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV104 ) )
        = $false )
      | ( ( in @ SV152 @ SV121 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1605]) ).

thf(1688,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV60 ) )
        = $true )
      | ( ( ~ ( in @ SV152 @ SV104 ) )
        = $true )
      | ( ( in @ SV152 @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1606]) ).

thf(1689,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1607]) ).

thf(1690,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1607]) ).

thf(1691,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1608]) ).

thf(1692,plain,
    ! [SV66: $i,SV6: $i,SV188: $i] :
      ( ( ( ~ ( in @ SV188 @ SV6 )
          | ( ( apply @ SV66 @ SV188 )
            = SV188 ) )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1610]) ).

thf(1693,plain,
    ! [SV66: $i,SV6: $i] :
      ( ( ( ! [SY408: $i] :
              ( ~ ( in @ SY408 @ SV6 )
              | ( ( apply @ SV66 @ SY408 )
                = SY408 ) ) )
        = $false )
      | ( ( ( relation_dom @ SV66 )
          = SV6 )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1611]) ).

thf(1694,plain,
    ! [SV123: $i,SV8: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1612]) ).

thf(1695,plain,
    ! [SV8: $i,SV123: $i,SV167: $i,SV163: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1613]) ).

thf(1696,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1614]) ).

thf(1697,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1614]) ).

thf(1698,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV184: $i,SV179: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
              | ~ ! [SY650: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY650 ) @ SV10 )
                        | ~ ( in @ ( ordered_pair @ SY650 @ SV184 ) @ SV124 ) ) )
          | ~ ( ~ ~ ! [SY651: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY651 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY651 @ SV184 ) @ SV124 ) )
              | ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 ) ) )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1615]) ).

thf(1699,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
              | ~ ! [SY652: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY652 ) @ SV10 )
                        | ~ ( in @ ( ordered_pair @ SY652 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
          | ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1616]) ).

thf(1700,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ! [SY654: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
                          | ~ ( in @ SY654 @ SV69 ) )
                    | ( SV148
                     != ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SY654 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1617]) ).

thf(1701,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ! [SY655: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SV185 @ SV11 )
                          | ~ ( in @ SY655 @ SV69 ) )
                    | ( SV148
                     != ( ordered_pair @ SV185 @ SY655 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1618]) ).

thf(1702,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ! [SY603: $i] :
                ~ ~ ! [SY604: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                | ~ ( in @ SY604 @ SV69 ) )
                          | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                           != ( ordered_pair @ SY603 @ SY604 ) ) ) )
        = $true )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1619]) ).

thf(1703,plain,
    ! [SV107: $i,SV69: $i,SV11: $i,SV180: $i] :
      ( ( ( ! [SY649: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SV180 @ SV11 )
                        | ~ ( in @ SY649 @ SV69 ) )
                  | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                   != ( ordered_pair @ SV180 @ SY649 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1621]) ).

thf(1704,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ( in @ SV153 @ SV12 )
          | ( SV153 != SV157 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1622]) ).

thf(1705,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ( in @ SV153 @ SV12 )
          | ( SV153 != SV157 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1623]) ).

thf(1706,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                | ( ( sK20_SY424 @ SV12 @ SV70 )
                 != ( sK23_SY606 @ SV70 @ SV12 ) ) )
          | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1624]) ).

thf(1707,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 ) )
        = $true )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
         != ( sK23_SY606 @ SV70 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1625]) ).

thf(1708,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV158: $i] :
      ( ( ( ! [SY615: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY615 ) @ SV14 )
                  | ~ ( in @ SY615 @ SV125 ) ) )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1627]) ).

thf(1709,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV158: $i] :
      ( ( ( ! [SY616: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SY616 ) @ SV14 )
                  | ~ ( in @ SY616 @ SV125 ) ) )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1628]) ).

thf(1710,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ~ ! [SY618: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                      | ~ ( in @ SY618 @ SV125 ) )
          | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1629]) ).

thf(1711,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
                | ~ ( in @ SV189 @ SV125 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1630]) ).

thf(1712,plain,
    ! [SV154: $i,SV15: $i,SV126: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK45_SY607 @ SV126 @ SV15 @ SV154 ) @ SV154 ) @ SV15 ) )
        = $false )
      | ( ( in @ SV154 @ SV126 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1631]) ).

thf(1713,plain,
    ! [SV126: $i,SV15: $i,SV154: $i,SV190: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV190 @ SV154 ) @ SV15 ) )
        = $true )
      | ( ( in @ SV154 @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1632]) ).

thf(1714,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY610: $i] :
                  ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1715,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $false )
      | ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1716,plain,
    ! [SV126: $i,SV15: $i,SV186: $i] :
      ( ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY610: $i] :
                      ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
              | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) ) )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1634]) ).

thf(1717,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1635]) ).

thf(1718,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1637]) ).

thf(1719,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
          | ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 ) )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1639]) ).

thf(1720,plain,
    ! [SV20: $i,SV128: $i,SV135: $i,SV173: $i,SV169: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
          | ~ ( ~ ( in @ SV169 @ SV128 )
              | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1641]) ).

thf(1721,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV169 @ SV128 )
                | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
          | ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1642]) ).

thf(1722,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
          | ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
              | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1643]) ).

thf(1723,plain,
    ! [SV159: $i,SV74: $i,SV21: $i] :
      ( ( ( disjoint @ SV21 @ SV74 )
        = $false )
      | ( ( in @ SV159 @ SV21 )
        = $false )
      | ( ( in @ SV159 @ SV74 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1646]) ).

thf(1724,plain,
    ! [SV181: $i,SV23: $i,SV174: $i] :
      ( ( ( ~ ( ~ ( in @ SV174 @ ( sK3_SY291 @ SV23 ) )
              | ~ ( subset @ SV181 @ SV174 ) ) )
        = $false )
      | ( ( in @ SV181 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1647]) ).

thf(1725,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $true )
      | ( ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( ~ ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1648]) ).

thf(1726,plain,
    ! [SV26: $i,SV78: $i,SV175: $i] :
      ( ( ( ~ ( in @ SV175 @ SV78 )
          | ! [SY638: $i] :
              ( ~ ( in @ SY638 @ SV26 )
              | ( in @ SV175 @ SY638 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1649]) ).

thf(1727,plain,
    ! [SV78: $i,SV175: $i,SV26: $i] :
      ( ( ( ~ ! [SY639: $i] :
                ( ~ ( in @ SY639 @ SV26 )
                | ( in @ SV175 @ SY639 ) )
          | ( in @ SV175 @ SV78 ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1650]) ).

thf(1728,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
          | ! [SY640: $i] :
              ( ~ ( in @ SY640 @ SV26 )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY640 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1651]) ).

thf(1729,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i] :
      ( ( ( ! [SY619: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SY619 @ SV161 ) @ SV30 )
                  | ~ ( in @ SY619 @ SV131 ) ) )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1652]) ).

thf(1730,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i] :
      ( ( ( ! [SY620: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SY620 @ SV161 ) @ SV30 )
                  | ~ ( in @ SY620 @ SV131 ) ) )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1653]) ).

thf(1731,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ~ ! [SY622: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                      | ~ ( in @ SY622 @ SV131 ) )
          | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1654]) ).

thf(1732,plain,
    ! [SV136: $i,SV30: $i,SV131: $i,SV191: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                | ~ ( in @ SV191 @ SV131 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1655]) ).

thf(1733,plain,
    ! [SV87: $i,SV39: $i,SV137: $i,SV176: $i,SV171: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
          | ~ ( ~ ( in @ SV176 @ SV39 )
              | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1656]) ).

thf(1734,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV176 @ SV39 )
                | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
          | ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1657]) ).

thf(1735,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
          | ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
              | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1658]) ).

thf(1736,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) )
          | ~ ( in @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) @ SV42 ) )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1660]) ).

thf(1737,plain,
    ! [SV89: $i,SV42: $i,SV182: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ SV182 )
          | ~ ( in @ SV182 @ SV42 ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1661]) ).

thf(1738,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ! [SY596: $i] :
              ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                  | ~ ( in @ SY596 @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1662]) ).

thf(1739,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 ) )
        = $true )
      | ( ( ~ ( in @ SV177 @ SV42 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1663]) ).

thf(1740,plain,
    ! [SV183: $i,SV46: $i,SV178: $i] :
      ( ( ( ~ ( ~ ( in @ SV178 @ ( sK4_SY357 @ SV46 ) )
              | ~ ( subset @ SV183 @ SV178 ) ) )
        = $false )
      | ( ( in @ SV183 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1664]) ).

thf(1741,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK46_SY623 @ SV162 @ SV46 ) @ ( sK4_SY357 @ SV46 ) )
                | ~ ! [SY656: $i] :
                      ( ~ ( subset @ SY656 @ SV162 )
                      | ( in @ SY656 @ ( sK46_SY623 @ SV162 @ SV46 ) ) ) ) )
        = $false )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1665]) ).

thf(1742,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $true )
      | ( ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( ~ ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1666]) ).

thf(1743,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV155 @ ( sK47_SY611 @ SV132 @ SV47 @ SV155 ) ) @ SV47 ) )
        = $false )
      | ( ( in @ SV155 @ SV132 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1667]) ).

thf(1744,plain,
    ! [SV132: $i,SV47: $i,SV192: $i,SV155: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV155 @ SV192 ) @ SV47 ) )
        = $true )
      | ( ( in @ SV155 @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1668]) ).

thf(1745,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ~ ! [SY614: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 ) )
        = $false )
      | ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1669]) ).

thf(1746,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $false )
      | ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1669]) ).

thf(1747,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY614: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
              | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) ) )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1670]) ).

thf(1748,plain,
    ! [SV49: $i,SV133: $i,SV172: $i,SV166: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1671]) ).

thf(1749,plain,
    ! [SV133: $i,SV49: $i,SV166: $i,SV172: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1672]) ).

thf(1750,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
              | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1673]) ).

thf(1751,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
              | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1673]) ).

thf(1752,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV56 )
          | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV100 ) )
        = $true )
      | ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1674]) ).

thf(1753,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV56 )
          | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV100 ) )
        = $true )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1676]) ).

thf(1754,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV56 )
          | ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
            = SV100 ) )
        = $true )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1678]) ).

thf(1755,plain,
    ! [SV102: $i,SV119: $i,SV58: $i,SV151: $i] :
      ( ( ( in @ SV151 @ SV58 )
        = $true )
      | ( ( in @ SV151 @ SV119 )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1680]) ).

thf(1756,plain,
    ! [SV58: $i,SV119: $i,SV102: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV102 ) )
        = $true )
      | ( ( in @ SV151 @ SV119 )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1681]) ).

thf(1757,plain,
    ! [SV119: $i,SV102: $i,SV58: $i,SV151: $i] :
      ( ( ( in @ SV151 @ SV58 )
        = $false )
      | ( ( ~ ~ ( in @ SV151 @ SV102 ) )
        = $true )
      | ( ( in @ SV151 @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1682]) ).

thf(1758,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
              | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
        = $true )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1683]) ).

thf(1759,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1685]) ).

thf(1760,plain,
    ! [SV104: $i,SV121: $i,SV60: $i,SV152: $i] :
      ( ( ( in @ SV152 @ SV60 )
        = $true )
      | ( ( in @ SV152 @ SV121 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1686]) ).

thf(1761,plain,
    ! [SV60: $i,SV121: $i,SV104: $i,SV152: $i] :
      ( ( ( in @ SV152 @ SV104 )
        = $true )
      | ( ( in @ SV152 @ SV121 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1687]) ).

thf(1762,plain,
    ! [SV121: $i,SV104: $i,SV60: $i,SV152: $i] :
      ( ( ( in @ SV152 @ SV60 )
        = $false )
      | ( ( ~ ( in @ SV152 @ SV104 ) )
        = $true )
      | ( ( in @ SV152 @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1688]) ).

thf(1763,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
              | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
        = $true )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1689]) ).

thf(1764,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                    | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
              | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) ) )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1691]) ).

thf(1765,plain,
    ! [SV66: $i,SV6: $i,SV188: $i] :
      ( ( ( ~ ( in @ SV188 @ SV6 ) )
        = $true )
      | ( ( ( apply @ SV66 @ SV188 )
          = SV188 )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1692]) ).

thf(1766,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK48_SY408 @ SV66 @ SV6 ) @ SV6 )
          | ( ( apply @ SV66 @ ( sK48_SY408 @ SV66 @ SV6 ) )
            = ( sK48_SY408 @ SV66 @ SV6 ) ) )
        = $false )
      | ( ( ( relation_dom @ SV66 )
          = SV6 )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1693]) ).

thf(1767,plain,
    ! [SV123: $i,SV8: $i,SV167: $i,SV163: $i] :
      ( ( ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1694]) ).

thf(1768,plain,
    ! [SV8: $i,SV123: $i,SV167: $i,SV163: $i] :
      ( ( ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV123 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV163 @ SV167 ) @ SV8 )
        = $true )
      | ( ( SV8 = SV123 )
        = $false )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1695]) ).

thf(1769,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
              | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1696]) ).

thf(1770,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
          | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
        = $false )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1697]) ).

thf(1771,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV184: $i,SV179: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
              | ~ ! [SY650: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY650 ) @ SV10 )
                        | ~ ( in @ ( ordered_pair @ SY650 @ SV184 ) @ SV124 ) ) ) )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1698]) ).

thf(1772,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV179: $i] :
      ( ( ( ~ ( ~ ~ ! [SY651: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY651 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY651 @ SV184 ) @ SV124 ) )
              | ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 ) ) )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1698]) ).

thf(1773,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
              | ~ ! [SY652: $i] :
                    ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY652 ) @ SV10 )
                        | ~ ( in @ ( ordered_pair @ SY652 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1699]) ).

thf(1774,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ! [SY654: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
                        | ~ ( in @ SY654 @ SV69 ) )
                  | ( SV148
                   != ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SY654 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1700]) ).

thf(1775,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i,SV185: $i] :
      ( ( ( ! [SY655: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SV185 @ SV11 )
                        | ~ ( in @ SY655 @ SV69 ) )
                  | ( SV148
                   != ( ordered_pair @ SV185 @ SY655 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1701]) ).

thf(1776,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ! [SY603: $i] :
              ~ ~ ! [SY604: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                              | ~ ( in @ SY604 @ SV69 ) )
                        | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                         != ( ordered_pair @ SY603 @ SY604 ) ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1702]) ).

thf(1777,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV180 @ SV11 )
                      | ~ ( in @ SV193 @ SV69 ) )
                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                 != ( ordered_pair @ SV180 @ SV193 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1703]) ).

thf(1778,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ( in @ SV153 @ SV12 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1704]) ).

thf(1779,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( SV153 != SV157 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1704]) ).

thf(1780,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( ~ ( in @ SV153 @ SV12 ) )
        = $true )
      | ( ( SV153 != SV157 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1705]) ).

thf(1781,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                | ( ( sK20_SY424 @ SV12 @ SV70 )
                 != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1706]) ).

thf(1782,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1706]) ).

thf(1783,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
         != ( sK23_SY606 @ SV70 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1707]) ).

thf(1784,plain,
    ! [SV14: $i,SV125: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) ) @ SV14 )
                | ~ ( in @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) @ SV125 ) ) )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1708]) ).

thf(1785,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV194: $i,SV158: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SV194 ) @ SV14 )
                | ~ ( in @ SV194 @ SV125 ) ) )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1709]) ).

thf(1786,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ~ ! [SY618: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                      | ~ ( in @ SY618 @ SV125 ) ) )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1710]) ).

thf(1787,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1710]) ).

thf(1788,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
              | ~ ( in @ SV189 @ SV125 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1711]) ).

thf(1789,plain,
    ! [SV154: $i,SV15: $i,SV126: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK45_SY607 @ SV126 @ SV15 @ SV154 ) @ SV154 ) @ SV15 )
        = $true )
      | ( ( in @ SV154 @ SV126 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1712]) ).

thf(1790,plain,
    ! [SV126: $i,SV15: $i,SV154: $i,SV190: $i] :
      ( ( ( in @ ( ordered_pair @ SV190 @ SV154 ) @ SV15 )
        = $false )
      | ( ( in @ SV154 @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1713]) ).

thf(1791,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ~ ! [SY610: $i] :
                ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $true )
      | ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1714]) ).

thf(1792,plain,
    ! [SV186: $i,SV126: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY610: $i] :
                  ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
          | ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1716]) ).

thf(1793,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV108 )
        = $true )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1717]) ).

thf(1794,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1718]) ).

thf(1795,plain,
    ! [SV108: $i,SV17: $i,SV72: $i] :
      ( ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV17 )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $true )
      | ( ( in @ ( sK16_SY489 @ SV72 @ SV17 @ SV108 ) @ SV72 )
        = $false )
      | ( ( SV108
          = ( set_union2 @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1719]) ).

thf(1796,plain,
    ! [SV20: $i,SV128: $i,SV135: $i,SV173: $i,SV169: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV169 @ SV128 )
              | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1720]) ).

thf(1797,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV169 @ SV128 )
                | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1721]) ).

thf(1798,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1722]) ).

thf(1799,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
              | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1722]) ).

thf(1800,plain,
    ! [SV181: $i,SV23: $i,SV174: $i] :
      ( ( ( ~ ( in @ SV174 @ ( sK3_SY291 @ SV23 ) )
          | ~ ( subset @ SV181 @ SV174 ) )
        = $true )
      | ( ( in @ SV181 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1724]) ).

thf(1801,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( ~ ( in @ SV143 @ ( sK3_SY291 @ SV23 ) ) )
        = $false )
      | ( ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1725]) ).

thf(1802,plain,
    ! [SV26: $i,SV78: $i,SV175: $i] :
      ( ( ( ~ ( in @ SV175 @ SV78 ) )
        = $true )
      | ( ( ! [SY638: $i] :
              ( ~ ( in @ SY638 @ SV26 )
              | ( in @ SV175 @ SY638 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1726]) ).

thf(1803,plain,
    ! [SV78: $i,SV175: $i,SV26: $i] :
      ( ( ( ~ ! [SY639: $i] :
                ( ~ ( in @ SY639 @ SV26 )
                | ( in @ SV175 @ SY639 ) ) )
        = $true )
      | ( ( in @ SV175 @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1727]) ).

thf(1804,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1728]) ).

thf(1805,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ! [SY640: $i] :
              ( ~ ( in @ SY640 @ SV26 )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY640 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1728]) ).

thf(1806,plain,
    ! [SV161: $i,SV30: $i,SV131: $i,SV136: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV161 ) @ SV30 )
                | ~ ( in @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV131 ) ) )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1729]) ).

thf(1807,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i,SV195: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ SV195 @ SV161 ) @ SV30 )
                | ~ ( in @ SV195 @ SV131 ) ) )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1730]) ).

thf(1808,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ~ ! [SY622: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                      | ~ ( in @ SY622 @ SV131 ) ) )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1731]) ).

thf(1809,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1731]) ).

thf(1810,plain,
    ! [SV136: $i,SV30: $i,SV131: $i,SV191: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
              | ~ ( in @ SV191 @ SV131 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1732]) ).

thf(1811,plain,
    ! [SV87: $i,SV39: $i,SV137: $i,SV176: $i,SV171: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV176 @ SV39 )
              | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1733]) ).

thf(1812,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV176 @ SV39 )
                | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1734]) ).

thf(1813,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1735]) ).

thf(1814,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
              | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1735]) ).

thf(1815,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) ) )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1736]) ).

thf(1816,plain,
    ! [SV145: $i,SV42: $i,SV89: $i] :
      ( ( ( ~ ( in @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) @ SV42 ) )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1736]) ).

thf(1817,plain,
    ! [SV89: $i,SV42: $i,SV182: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ SV182 ) )
        = $true )
      | ( ( ~ ( in @ SV182 @ SV42 ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1737]) ).

thf(1818,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK51_SY596 @ SV89 @ SV42 ) )
                | ~ ( in @ ( sK51_SY596 @ SV89 @ SV42 ) @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1738]) ).

thf(1819,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( ~ ( in @ SV177 @ SV42 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1739]) ).

thf(1820,plain,
    ! [SV183: $i,SV46: $i,SV178: $i] :
      ( ( ( ~ ( in @ SV178 @ ( sK4_SY357 @ SV46 ) )
          | ~ ( subset @ SV183 @ SV178 ) )
        = $true )
      | ( ( in @ SV183 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1740]) ).

thf(1821,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK46_SY623 @ SV162 @ SV46 ) @ ( sK4_SY357 @ SV46 ) )
              | ~ ! [SY656: $i] :
                    ( ~ ( subset @ SY656 @ SV162 )
                    | ( in @ SY656 @ ( sK46_SY623 @ SV162 @ SV46 ) ) ) ) )
        = $true )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1741]) ).

thf(1822,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( ~ ( in @ SV146 @ ( sK4_SY357 @ SV46 ) ) )
        = $false )
      | ( ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1742]) ).

thf(1823,plain,
    ! [SV47: $i,SV132: $i,SV155: $i] :
      ( ( ( in @ ( ordered_pair @ SV155 @ ( sK47_SY611 @ SV132 @ SV47 @ SV155 ) ) @ SV47 )
        = $true )
      | ( ( in @ SV155 @ SV132 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1743]) ).

thf(1824,plain,
    ! [SV132: $i,SV47: $i,SV192: $i,SV155: $i] :
      ( ( ( in @ ( ordered_pair @ SV155 @ SV192 ) @ SV47 )
        = $false )
      | ( ( in @ SV155 @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $false )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1744]) ).

thf(1825,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ! [SY614: $i] :
                ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 ) )
        = $true )
      | ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1745]) ).

thf(1826,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( ~ ~ ! [SY614: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 )
          | ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1747]) ).

thf(1827,plain,
    ! [SV49: $i,SV133: $i,SV172: $i,SV166: $i] :
      ( ( ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1748]) ).

thf(1828,plain,
    ! [SV133: $i,SV49: $i,SV166: $i,SV172: $i] :
      ( ( ( in @ ( ordered_pair @ SV172 @ SV166 ) @ SV49 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV166 @ SV172 ) @ SV133 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $false )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1749]) ).

thf(1829,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
              | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) ) )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1750]) ).

thf(1830,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
          | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1751]) ).

thf(1831,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $true )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $true )
      | ( ( in @ ( sK17_SY503 @ SV100 @ SV56 @ SV118 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1752]) ).

thf(1832,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $true )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $true )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1753]) ).

thf(1833,plain,
    ! [SV118: $i,SV56: $i,SV100: $i] :
      ( ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV56 )
        = $true )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $true )
      | ( ( ( sK17_SY503 @ SV100 @ SV56 @ SV118 )
          = SV100 )
        = $false )
      | ( ( SV118
          = ( unordered_pair @ SV56 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1754]) ).

thf(1834,plain,
    ! [SV58: $i,SV119: $i,SV102: $i,SV151: $i] :
      ( ( ( in @ SV151 @ SV102 )
        = $false )
      | ( ( in @ SV151 @ SV119 )
        = $false )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1756]) ).

thf(1835,plain,
    ! [SV119: $i,SV58: $i,SV102: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV102 ) )
        = $false )
      | ( ( in @ SV151 @ SV58 )
        = $false )
      | ( ( in @ SV151 @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1757]) ).

thf(1836,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
          | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1758]) ).

thf(1837,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                    | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
              | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) ) )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1759]) ).

thf(1838,plain,
    ! [SV121: $i,SV60: $i,SV104: $i,SV152: $i] :
      ( ( ( in @ SV152 @ SV104 )
        = $false )
      | ( ( in @ SV152 @ SV60 )
        = $false )
      | ( ( in @ SV152 @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1762]) ).

thf(1839,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
          | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1763]) ).

thf(1840,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
          | ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1764]) ).

thf(1841,plain,
    ! [SV66: $i,SV6: $i,SV188: $i] :
      ( ( ( in @ SV188 @ SV6 )
        = $false )
      | ( ( ( apply @ SV66 @ SV188 )
          = SV188 )
        = $true )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $false )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1765]) ).

thf(1842,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK48_SY408 @ SV66 @ SV6 ) @ SV6 ) )
        = $false )
      | ( ( ( relation_dom @ SV66 )
          = SV6 )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1766]) ).

thf(1843,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( ( apply @ SV66 @ ( sK48_SY408 @ SV66 @ SV6 ) )
          = ( sK48_SY408 @ SV66 @ SV6 ) )
        = $false )
      | ( ( ( relation_dom @ SV66 )
          = SV6 )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1766]) ).

thf(1844,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
          | ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1769]) ).

thf(1845,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
        = $false )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1770]) ).

thf(1846,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
        = $false )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1770]) ).

thf(1847,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV184: $i,SV179: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
          | ~ ! [SY650: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY650 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY650 @ SV184 ) @ SV124 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1771]) ).

thf(1848,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV179: $i] :
      ( ( ( ~ ~ ! [SY651: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY651 ) @ SV10 )
                      | ~ ( in @ ( ordered_pair @ SY651 @ SV184 ) @ SV124 ) )
          | ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1772]) ).

thf(1849,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
          | ~ ! [SY652: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY652 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY652 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1773]) ).

thf(1850,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
                      | ~ ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 ) )
                | ( SV148
                 != ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1774]) ).

thf(1851,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV185 @ SV11 )
                      | ~ ( in @ SV196 @ SV69 ) )
                | ( SV148
                 != ( ordered_pair @ SV185 @ SV196 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1775]) ).

thf(1852,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ~ ! [SY657: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                            | ~ ( in @ SY657 @ SV69 ) )
                      | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                       != ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SY657 ) ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1776]) ).

thf(1853,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV180 @ SV11 )
                    | ~ ( in @ SV193 @ SV69 ) )
              | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
               != ( ordered_pair @ SV180 @ SV193 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1777]) ).

thf(1854,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( in @ SV153 @ SV12 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1778]) ).

thf(1855,plain,
    ! [SV12: $i,SV70: $i,SV157: $i,SV153: $i] :
      ( ( ( SV153 = SV157 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1779]) ).

thf(1856,plain,
    ! [SV70: $i,SV157: $i,SV12: $i,SV153: $i] :
      ( ( ( in @ SV153 @ SV12 )
        = $false )
      | ( ( SV153 != SV157 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1780]) ).

thf(1857,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
              | ( ( sK20_SY424 @ SV12 @ SV70 )
               != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1781]) ).

thf(1858,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                    | ( ( sK20_SY424 @ SV12 @ SV70 )
                     != ( sK23_SY606 @ SV70 @ SV12 ) ) )
              | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) ) )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1783]) ).

thf(1859,plain,
    ! [SV14: $i,SV125: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV158 @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) ) @ SV14 )
              | ~ ( in @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) @ SV125 ) ) )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1784]) ).

thf(1860,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV194: $i,SV158: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV158 @ SV194 ) @ SV14 )
              | ~ ( in @ SV194 @ SV125 ) ) )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1785]) ).

thf(1861,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ! [SY618: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                    | ~ ( in @ SY618 @ SV125 ) ) )
        = $true )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1786]) ).

thf(1862,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
          | ~ ( in @ SV189 @ SV125 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1788]) ).

thf(1863,plain,
    ! [SV126: $i,SV15: $i] :
      ( ( ( ! [SY610: $i] :
              ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1791]) ).

thf(1864,plain,
    ! [SV186: $i,SV126: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY610: $i] :
                  ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1792]) ).

thf(1865,plain,
    ! [SV186: $i,SV126: $i,SV15: $i] :
      ( ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1792]) ).

thf(1866,plain,
    ! [SV20: $i,SV128: $i,SV135: $i,SV173: $i,SV169: $i] :
      ( ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV169 @ SV128 )
              | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1796]) ).

thf(1867,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ( ~ ( in @ SV169 @ SV128 )
              | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1797]) ).

thf(1868,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1798]) ).

thf(1869,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
          | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1799]) ).

thf(1870,plain,
    ! [SV181: $i,SV23: $i,SV174: $i] :
      ( ( ( ~ ( in @ SV174 @ ( sK3_SY291 @ SV23 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV181 @ SV174 ) )
        = $true )
      | ( ( in @ SV181 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1800]) ).

thf(1871,plain,
    ! [SV23: $i,SV143: $i] :
      ( ( ( in @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $true )
      | ( ( subset @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( are_equipotent @ SV143 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1801]) ).

thf(1872,plain,
    ! [SV26: $i,SV78: $i,SV175: $i] :
      ( ( ( in @ SV175 @ SV78 )
        = $false )
      | ( ( ! [SY638: $i] :
              ( ~ ( in @ SY638 @ SV26 )
              | ( in @ SV175 @ SY638 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1802]) ).

thf(1873,plain,
    ! [SV78: $i,SV175: $i,SV26: $i] :
      ( ( ( ! [SY639: $i] :
              ( ~ ( in @ SY639 @ SV26 )
              | ( in @ SV175 @ SY639 ) ) )
        = $false )
      | ( ( in @ SV175 @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1803]) ).

thf(1874,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1804]) ).

thf(1875,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
          | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1805]) ).

thf(1876,plain,
    ! [SV161: $i,SV30: $i,SV131: $i,SV136: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV161 ) @ SV30 )
              | ~ ( in @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV131 ) ) )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1806]) ).

thf(1877,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV195 @ SV161 ) @ SV30 )
              | ~ ( in @ SV195 @ SV131 ) ) )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1807]) ).

thf(1878,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ! [SY622: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                    | ~ ( in @ SY622 @ SV131 ) ) )
        = $true )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1808]) ).

thf(1879,plain,
    ! [SV136: $i,SV30: $i,SV131: $i,SV191: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
          | ~ ( in @ SV191 @ SV131 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1810]) ).

thf(1880,plain,
    ! [SV87: $i,SV39: $i,SV137: $i,SV176: $i,SV171: $i] :
      ( ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV176 @ SV39 )
              | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1811]) ).

thf(1881,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ( ~ ( in @ SV176 @ SV39 )
              | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1812]) ).

thf(1882,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1813]) ).

thf(1883,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
          | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1814]) ).

thf(1884,plain,
    ! [SV42: $i,SV89: $i,SV145: $i] :
      ( ( ( in @ SV145 @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1815]) ).

thf(1885,plain,
    ! [SV145: $i,SV42: $i,SV89: $i] :
      ( ( ( in @ ( sK42_SY593 @ SV89 @ SV42 @ SV145 ) @ SV42 )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1816]) ).

thf(1886,plain,
    ! [SV89: $i,SV42: $i,SV182: $i,SV145: $i] :
      ( ( ( in @ SV145 @ SV182 )
        = $false )
      | ( ( ~ ( in @ SV182 @ SV42 ) )
        = $true )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1817]) ).

thf(1887,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK51_SY596 @ SV89 @ SV42 ) )
              | ~ ( in @ ( sK51_SY596 @ SV89 @ SV42 ) @ SV42 ) ) )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1818]) ).

thf(1888,plain,
    ! [SV89: $i,SV42: $i,SV177: $i] :
      ( ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY596: $i] :
                      ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                          | ~ ( in @ SY596 @ SV42 ) )
              | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) ) )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1819]) ).

thf(1889,plain,
    ! [SV183: $i,SV46: $i,SV178: $i] :
      ( ( ( ~ ( in @ SV178 @ ( sK4_SY357 @ SV46 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV183 @ SV178 ) )
        = $true )
      | ( ( in @ SV183 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1820]) ).

thf(1890,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( ~ ( in @ ( sK46_SY623 @ SV162 @ SV46 ) @ ( sK4_SY357 @ SV46 ) )
          | ~ ! [SY656: $i] :
                ( ~ ( subset @ SY656 @ SV162 )
                | ( in @ SY656 @ ( sK46_SY623 @ SV162 @ SV46 ) ) ) )
        = $false )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1821]) ).

thf(1891,plain,
    ! [SV46: $i,SV146: $i] :
      ( ( ( in @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $true )
      | ( ( subset @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( are_equipotent @ SV146 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1822]) ).

thf(1892,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ! [SY614: $i] :
              ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 ) )
        = $false )
      | ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1825]) ).

thf(1893,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( ~ ~ ! [SY614: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1826]) ).

thf(1894,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1826]) ).

thf(1895,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
          | ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1829]) ).

thf(1896,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1830]) ).

thf(1897,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1830]) ).

thf(1898,plain,
    ! [SV119: $i,SV58: $i,SV102: $i,SV151: $i] :
      ( ( ( in @ SV151 @ SV102 )
        = $true )
      | ( ( in @ SV151 @ SV58 )
        = $false )
      | ( ( in @ SV151 @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1835]) ).

thf(1899,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(1900,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(1901,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
          | ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1837]) ).

thf(1902,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1839]) ).

thf(1903,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1839]) ).

thf(1904,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
                | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1840]) ).

thf(1905,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1840]) ).

thf(1906,plain,
    ! [SV6: $i,SV66: $i] :
      ( ( ( in @ ( sK48_SY408 @ SV66 @ SV6 ) @ SV6 )
        = $true )
      | ( ( ( relation_dom @ SV66 )
          = SV6 )
        = $false )
      | ( ( SV66
          = ( identity_relation @ SV6 ) )
        = $true )
      | ( ( relation @ SV66 )
        = $false )
      | ( ( function @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1842]) ).

thf(1907,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1844]) ).

thf(1908,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1844]) ).

thf(1909,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
        = $false )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1845]) ).

thf(1910,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV184: $i,SV179: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 ) )
        = $true )
      | ( ( ~ ! [SY650: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY650 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY650 @ SV184 ) @ SV124 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1847]) ).

thf(1911,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV179: $i] :
      ( ( ( ~ ~ ! [SY651: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY651 ) @ SV10 )
                      | ~ ( in @ ( ordered_pair @ SY651 @ SV184 ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1848]) ).

thf(1912,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1849]) ).

thf(1913,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ! [SY652: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY652 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY652 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1849]) ).

thf(1914,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
                    | ~ ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 ) )
              | ( SV148
               != ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) ) ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1850]) ).

thf(1915,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV185 @ SV11 )
                    | ~ ( in @ SV196 @ SV69 ) )
              | ( SV148
               != ( ordered_pair @ SV185 @ SV196 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1851]) ).

thf(1916,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ! [SY657: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                          | ~ ( in @ SY657 @ SV69 ) )
                    | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                     != ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SY657 ) ) ) )
        = $true )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1852]) ).

thf(1917,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV180 @ SV11 )
                | ~ ( in @ SV193 @ SV69 ) )
          | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
           != ( ordered_pair @ SV180 @ SV193 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1853]) ).

thf(1918,plain,
    ! [SV70: $i,SV12: $i,SV157: $i,SV153: $i] :
      ( ( ( SV153 = SV157 )
        = $false )
      | ( ( in @ SV153 @ SV12 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV153 @ SV157 ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $false )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1856]) ).

thf(1919,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
          | ( ( sK20_SY424 @ SV12 @ SV70 )
           != ( sK23_SY606 @ SV70 @ SV12 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1857]) ).

thf(1920,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                | ( ( sK20_SY424 @ SV12 @ SV70 )
                 != ( sK23_SY606 @ SV70 @ SV12 ) ) )
          | ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 ) )
        = $false )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1858]) ).

thf(1921,plain,
    ! [SV14: $i,SV125: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV158 @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) ) @ SV14 )
          | ~ ( in @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) @ SV125 ) )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1859]) ).

thf(1922,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV194: $i,SV158: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV158 @ SV194 ) @ SV14 )
          | ~ ( in @ SV194 @ SV125 ) )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1860]) ).

thf(1923,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ! [SY618: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                  | ~ ( in @ SY618 @ SV125 ) ) )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1861]) ).

thf(1924,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 ) )
        = $true )
      | ( ( ~ ( in @ SV189 @ SV125 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1862]) ).

thf(1925,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK55_SY610 @ SV126 @ SV15 ) @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1863]) ).

thf(1926,plain,
    ! [SV186: $i,SV126: $i,SV15: $i] :
      ( ( ( ~ ! [SY610: $i] :
                ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1864]) ).

thf(1927,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ( in @ SV169 @ SV128 )
          | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1866]) ).

thf(1928,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ( in @ SV169 @ SV128 )
          | ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1867]) ).

thf(1929,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
          | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1868]) ).

thf(1930,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1869]) ).

thf(1931,plain,
    ! [SV181: $i,SV23: $i,SV174: $i] :
      ( ( ( in @ SV174 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( ~ ( subset @ SV181 @ SV174 ) )
        = $true )
      | ( ( in @ SV181 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1870]) ).

thf(1932,plain,
    ! [SV78: $i,SV175: $i,SV26: $i,SV197: $i] :
      ( ( ( ~ ( in @ SV197 @ SV26 )
          | ( in @ SV175 @ SV197 ) )
        = $true )
      | ( ( in @ SV175 @ SV78 )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1872]) ).

thf(1933,plain,
    ! [SV26: $i,SV175: $i,SV78: $i] :
      ( ( ( ~ ( in @ ( sK56_SY639 @ SV78 @ SV175 @ SV26 ) @ SV26 )
          | ( in @ SV175 @ ( sK56_SY639 @ SV78 @ SV175 @ SV26 ) ) )
        = $false )
      | ( ( in @ SV175 @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1873]) ).

thf(1934,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ! [SY641: $i] :
                ( ~ ( in @ SY641 @ SV26 )
                | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
          | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1874]) ).

thf(1935,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1875]) ).

thf(1936,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1875]) ).

thf(1937,plain,
    ! [SV161: $i,SV30: $i,SV131: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV161 ) @ SV30 )
          | ~ ( in @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV131 ) )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1876]) ).

thf(1938,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV195 @ SV161 ) @ SV30 )
          | ~ ( in @ SV195 @ SV131 ) )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1877]) ).

thf(1939,plain,
    ! [SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ! [SY622: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                  | ~ ( in @ SY622 @ SV131 ) ) )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1878]) ).

thf(1940,plain,
    ! [SV136: $i,SV30: $i,SV131: $i,SV191: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 ) )
        = $true )
      | ( ( ~ ( in @ SV191 @ SV131 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1879]) ).

thf(1941,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ( in @ SV176 @ SV39 )
          | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1880]) ).

thf(1942,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ( in @ SV176 @ SV39 )
          | ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1881]) ).

thf(1943,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
          | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1882]) ).

thf(1944,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1883]) ).

thf(1945,plain,
    ! [SV89: $i,SV145: $i,SV42: $i,SV182: $i] :
      ( ( ( in @ SV182 @ SV42 )
        = $false )
      | ( ( in @ SV145 @ SV182 )
        = $false )
      | ( ( in @ SV145 @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1886]) ).

thf(1946,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK51_SY596 @ SV89 @ SV42 ) )
          | ~ ( in @ ( sK51_SY596 @ SV89 @ SV42 ) @ SV42 ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1887]) ).

thf(1947,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ~ ! [SY596: $i] :
                  ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                      | ~ ( in @ SY596 @ SV42 ) )
          | ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1888]) ).

thf(1948,plain,
    ! [SV183: $i,SV46: $i,SV178: $i] :
      ( ( ( in @ SV178 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( ~ ( subset @ SV183 @ SV178 ) )
        = $true )
      | ( ( in @ SV183 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1889]) ).

thf(1949,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( ~ ( in @ ( sK46_SY623 @ SV162 @ SV46 ) @ ( sK4_SY357 @ SV46 ) ) )
        = $false )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1890]) ).

thf(1950,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( ~ ! [SY656: $i] :
                ( ~ ( subset @ SY656 @ SV162 )
                | ( in @ SY656 @ ( sK46_SY623 @ SV162 @ SV46 ) ) ) )
        = $false )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1890]) ).

thf(1951,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ ( sK57_SY614 @ SV132 @ SV47 ) ) @ SV47 ) )
        = $false )
      | ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1892]) ).

thf(1952,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( ~ ! [SY614: $i] :
                ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1893]) ).

thf(1953,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1895]) ).

thf(1954,plain,
    ! [SV133: $i,SV49: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1895]) ).

thf(1955,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
        = $false )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1896]) ).

thf(1956,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $true )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1899]) ).

thf(1957,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $true )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1900]) ).

thf(1958,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
                | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1901]) ).

thf(1959,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1901]) ).

thf(1960,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $true )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1902]) ).

thf(1961,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $true )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV121 )
        = $true )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1903]) ).

thf(1962,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
              | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) ) )
        = $true )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1904]) ).

thf(1963,plain,
    ! [SV8: $i,SV123: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV123 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK27_SY510 @ SV123 @ SV8 ) @ ( sK31_SY626 @ SV8 @ SV123 ) ) @ SV8 )
        = $true )
      | ( ( SV8 = SV123 )
        = $true )
      | ( ( relation @ SV123 )
        = $false )
      | ( ( relation @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1907]) ).

thf(1964,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV184: $i,SV179: $i] :
      ( ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( ~ ! [SY650: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY650 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY650 @ SV184 ) @ SV124 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1910]) ).

thf(1965,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV179: $i] :
      ( ( ( ~ ! [SY651: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY651 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY651 @ SV184 ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1911]) ).

thf(1966,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1912]) ).

thf(1967,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ! [SY652: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY652 ) @ SV10 )
                  | ~ ( in @ ( ordered_pair @ SY652 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1913]) ).

thf(1968,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
                | ~ ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 ) )
          | ( SV148
           != ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1914]) ).

thf(1969,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV185 @ SV11 )
                | ~ ( in @ SV196 @ SV69 ) )
          | ( SV148
           != ( ordered_pair @ SV185 @ SV196 ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1915]) ).

thf(1970,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ! [SY657: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                        | ~ ( in @ SY657 @ SV69 ) )
                  | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                   != ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SY657 ) ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1916]) ).

thf(1971,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV180 @ SV11 )
                | ~ ( in @ SV193 @ SV69 ) ) )
        = $true )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ SV180 @ SV193 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1917]) ).

thf(1972,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1919]) ).

thf(1973,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ( sK20_SY424 @ SV12 @ SV70 )
         != ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1919]) ).

thf(1974,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
                | ( ( sK20_SY424 @ SV12 @ SV70 )
                 != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
        = $false )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1920]) ).

thf(1975,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $false )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1920]) ).

thf(1976,plain,
    ! [SV14: $i,SV125: $i,SV134: $i,SV158: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV158 @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) ) @ SV14 ) )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1921]) ).

thf(1977,plain,
    ! [SV158: $i,SV14: $i,SV125: $i,SV134: $i] :
      ( ( ( ~ ( in @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) @ SV125 ) )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1921]) ).

thf(1978,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV194: $i,SV158: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV158 @ SV194 ) @ SV14 ) )
        = $true )
      | ( ( ~ ( in @ SV194 @ SV125 ) )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1922]) ).

thf(1979,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
                | ~ ( in @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) @ SV125 ) ) )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1923]) ).

thf(1980,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( ~ ( in @ SV189 @ SV125 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1924]) ).

thf(1981,plain,
    ! [SV15: $i,SV126: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK55_SY610 @ SV126 @ SV15 ) @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $true )
      | ( ( in @ ( sK21_SY531 @ SV15 @ SV126 ) @ SV126 )
        = $true )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1925]) ).

thf(1982,plain,
    ! [SV186: $i,SV126: $i,SV15: $i] :
      ( ( ( ! [SY610: $i] :
              ~ ( in @ ( ordered_pair @ SY610 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1926]) ).

thf(1983,plain,
    ! [SV20: $i,SV135: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ( in @ SV169 @ SV128 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1927]) ).

thf(1984,plain,
    ! [SV128: $i,SV135: $i,SV20: $i,SV173: $i,SV169: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1927]) ).

thf(1985,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( ~ ( in @ SV169 @ SV128 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1928]) ).

thf(1986,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1929]) ).

thf(1987,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1929]) ).

thf(1988,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1930]) ).

thf(1989,plain,
    ! [SV23: $i,SV174: $i,SV181: $i] :
      ( ( ( subset @ SV181 @ SV174 )
        = $false )
      | ( ( in @ SV174 @ ( sK3_SY291 @ SV23 ) )
        = $false )
      | ( ( in @ SV181 @ ( sK3_SY291 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1931]) ).

thf(1990,plain,
    ! [SV78: $i,SV175: $i,SV26: $i,SV197: $i] :
      ( ( ( ~ ( in @ SV197 @ SV26 ) )
        = $true )
      | ( ( in @ SV175 @ SV197 )
        = $true )
      | ( ( in @ SV175 @ SV78 )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1932]) ).

thf(1991,plain,
    ! [SV26: $i,SV175: $i,SV78: $i] :
      ( ( ( ~ ( in @ ( sK56_SY639 @ SV78 @ SV175 @ SV26 ) @ SV26 ) )
        = $false )
      | ( ( in @ SV175 @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1933]) ).

thf(1992,plain,
    ! [SV26: $i,SV78: $i,SV175: $i] :
      ( ( ( in @ SV175 @ ( sK56_SY639 @ SV78 @ SV175 @ SV26 ) )
        = $false )
      | ( ( in @ SV175 @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1933]) ).

thf(1993,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ! [SY641: $i] :
                ( ~ ( in @ SY641 @ SV26 )
                | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) ) )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1934]) ).

thf(1994,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1934]) ).

thf(1995,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( ~ ( ~ ! [SY641: $i] :
                    ( ~ ( in @ SY641 @ SV26 )
                    | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) ) )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1935]) ).

thf(1996,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ! [SY641: $i] :
                ( ~ ( in @ SY641 @ SV26 )
                | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
          | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1936]) ).

thf(1997,plain,
    ! [SV161: $i,SV30: $i,SV131: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV161 ) @ SV30 ) )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1937]) ).

thf(1998,plain,
    ! [SV161: $i,SV30: $i,SV131: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV131 ) )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1937]) ).

thf(1999,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV195 @ SV161 ) @ SV30 ) )
        = $true )
      | ( ( ~ ( in @ SV195 @ SV131 ) )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1938]) ).

thf(2000,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                | ~ ( in @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ SV131 ) ) )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1939]) ).

thf(2001,plain,
    ! [SV136: $i,SV30: $i,SV131: $i,SV191: $i] :
      ( ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( ~ ( in @ SV191 @ SV131 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1940]) ).

thf(2002,plain,
    ! [SV87: $i,SV137: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ( in @ SV176 @ SV39 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1941]) ).

thf(2003,plain,
    ! [SV39: $i,SV137: $i,SV87: $i,SV176: $i,SV171: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1941]) ).

thf(2004,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( ~ ( in @ SV176 @ SV39 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1942]) ).

thf(2005,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1943]) ).

thf(2006,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1943]) ).

thf(2007,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1944]) ).

thf(2008,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK51_SY596 @ SV89 @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1946]) ).

thf(2009,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ( ~ ( in @ ( sK51_SY596 @ SV89 @ SV42 ) @ SV42 ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1946]) ).

thf(2010,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ~ ! [SY596: $i] :
                  ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                      | ~ ( in @ SY596 @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1947]) ).

thf(2011,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1947]) ).

thf(2012,plain,
    ! [SV46: $i,SV178: $i,SV183: $i] :
      ( ( ( subset @ SV183 @ SV178 )
        = $false )
      | ( ( in @ SV178 @ ( sK4_SY357 @ SV46 ) )
        = $false )
      | ( ( in @ SV183 @ ( sK4_SY357 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1948]) ).

thf(2013,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( in @ ( sK46_SY623 @ SV162 @ SV46 ) @ ( sK4_SY357 @ SV46 ) )
        = $true )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1949]) ).

thf(2014,plain,
    ! [SV46: $i,SV162: $i] :
      ( ( ( ! [SY656: $i] :
              ( ~ ( subset @ SY656 @ SV162 )
              | ( in @ SY656 @ ( sK46_SY623 @ SV162 @ SV46 ) ) ) )
        = $true )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1950]) ).

thf(2015,plain,
    ! [SV132: $i,SV47: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ ( sK57_SY614 @ SV132 @ SV47 ) ) @ SV47 )
        = $true )
      | ( ( in @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV132 )
        = $true )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1951]) ).

thf(2016,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( ! [SY614: $i] :
              ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SY614 ) @ SV47 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1952]) ).

thf(2017,plain,
    ! [SV49: $i,SV133: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK36_SY631 @ SV133 @ SV49 ) @ ( sK30_SY558 @ SV49 @ SV133 ) ) @ SV49 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK30_SY558 @ SV49 @ SV133 ) @ ( sK36_SY631 @ SV133 @ SV49 ) ) @ SV133 )
        = $true )
      | ( ( SV133
          = ( relation_inverse @ SV49 ) )
        = $true )
      | ( ( relation @ SV133 )
        = $false )
      | ( ( relation @ SV49 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1953]) ).

thf(2018,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV119 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1957]) ).

thf(2019,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
              | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) ) )
        = $true )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1958]) ).

thf(2020,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
          | ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1962]) ).

thf(2021,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV179: $i] :
      ( ( ( ! [SY650: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY650 ) @ SV10 )
                  | ~ ( in @ ( ordered_pair @ SY650 @ SV184 ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1964]) ).

thf(2022,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV179: $i] :
      ( ( ( ! [SY651: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SY651 ) @ SV10 )
                  | ~ ( in @ ( ordered_pair @ SY651 @ SV184 ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1965]) ).

thf(2023,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ~ ! [SY653: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                      | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
          | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1966]) ).

thf(2024,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
                | ~ ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1967]) ).

thf(2025,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
                | ~ ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1968]) ).

thf(2026,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV148: $i] :
      ( ( ( SV148
         != ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1968]) ).

thf(2027,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV185 @ SV11 )
                | ~ ( in @ SV196 @ SV69 ) ) )
        = $true )
      | ( ( SV148
         != ( ordered_pair @ SV185 @ SV196 ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1969]) ).

thf(2028,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                      | ~ ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 ) )
                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                 != ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1970]) ).

thf(2029,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ( ~ ( in @ SV180 @ SV11 )
              | ~ ( in @ SV193 @ SV69 ) ) )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ SV180 @ SV193 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1971]) ).

thf(2030,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1972]) ).

thf(2031,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK20_SY424 @ SV12 @ SV70 ) @ ( sK23_SY606 @ SV70 @ SV12 ) ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1973]) ).

thf(2032,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
              | ( ( sK20_SY424 @ SV12 @ SV70 )
               != ( sK23_SY606 @ SV70 @ SV12 ) ) ) )
        = $true )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1974]) ).

thf(2033,plain,
    ! [SV14: $i,SV125: $i,SV134: $i,SV158: $i] :
      ( ( ( in @ ( ordered_pair @ SV158 @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) ) @ SV14 )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1976]) ).

thf(2034,plain,
    ! [SV158: $i,SV14: $i,SV125: $i,SV134: $i] :
      ( ( ( in @ ( sK49_SY615 @ SV134 @ SV125 @ SV14 @ SV158 ) @ SV125 )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1977]) ).

thf(2035,plain,
    ! [SV134: $i,SV125: $i,SV14: $i,SV194: $i,SV158: $i] :
      ( ( ( in @ ( ordered_pair @ SV158 @ SV194 ) @ SV14 )
        = $false )
      | ( ( ~ ( in @ SV194 @ SV125 ) )
        = $true )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1978]) ).

thf(2036,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
              | ~ ( in @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) @ SV125 ) ) )
        = $true )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1979]) ).

thf(2037,plain,
    ! [SV134: $i,SV14: $i,SV125: $i,SV189: $i] :
      ( ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY618: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                          | ~ ( in @ SY618 @ SV125 ) )
              | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) ) )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1980]) ).

thf(2038,plain,
    ! [SV15: $i,SV126: $i,SV186: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK61_SY610 @ SV186 @ SV126 @ SV15 ) @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1982]) ).

thf(2039,plain,
    ! [SV20: $i,SV135: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( in @ SV169 @ SV128 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1983]) ).

thf(2040,plain,
    ! [SV128: $i,SV135: $i,SV20: $i,SV173: $i,SV169: $i] :
      ( ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1984]) ).

thf(2041,plain,
    ! [SV135: $i,SV20: $i,SV173: $i,SV128: $i,SV169: $i] :
      ( ( ( in @ SV169 @ SV128 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1985]) ).

thf(2042,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
              | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1986]) ).

thf(2043,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                    | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
              | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) ) )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1988]) ).

thf(2044,plain,
    ! [SV78: $i,SV175: $i,SV26: $i,SV197: $i] :
      ( ( ( in @ SV197 @ SV26 )
        = $false )
      | ( ( in @ SV175 @ SV197 )
        = $true )
      | ( ( in @ SV175 @ SV78 )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1990]) ).

thf(2045,plain,
    ! [SV26: $i,SV175: $i,SV78: $i] :
      ( ( ( in @ ( sK56_SY639 @ SV78 @ SV175 @ SV26 ) @ SV26 )
        = $true )
      | ( ( in @ SV175 @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $false )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1991]) ).

thf(2046,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ! [SY641: $i] :
              ( ~ ( in @ SY641 @ SV26 )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) ) )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1993]) ).

thf(2047,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ! [SY641: $i] :
                ( ~ ( in @ SY641 @ SV26 )
                | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) )
          | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 ) )
        = $false )
      | ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1995]) ).

thf(2048,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ! [SY641: $i] :
                ( ~ ( in @ SY641 @ SV26 )
                | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) ) )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1996]) ).

thf(2049,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1996]) ).

thf(2050,plain,
    ! [SV161: $i,SV30: $i,SV131: $i,SV136: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV161 ) @ SV30 )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1997]) ).

thf(2051,plain,
    ! [SV161: $i,SV30: $i,SV131: $i,SV136: $i] :
      ( ( ( in @ ( sK50_SY619 @ SV136 @ SV131 @ SV30 @ SV161 ) @ SV131 )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1998]) ).

thf(2052,plain,
    ! [SV136: $i,SV131: $i,SV30: $i,SV161: $i,SV195: $i] :
      ( ( ( in @ ( ordered_pair @ SV195 @ SV161 ) @ SV30 )
        = $false )
      | ( ( ~ ( in @ SV195 @ SV131 ) )
        = $true )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1999]) ).

thf(2053,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
              | ~ ( in @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ SV131 ) ) )
        = $true )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2000]) ).

thf(2054,plain,
    ! [SV136: $i,SV30: $i,SV131: $i,SV191: $i] :
      ( ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY622: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                          | ~ ( in @ SY622 @ SV131 ) )
              | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) ) )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2001]) ).

thf(2055,plain,
    ! [SV87: $i,SV137: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( in @ SV176 @ SV39 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2002]) ).

thf(2056,plain,
    ! [SV39: $i,SV137: $i,SV87: $i,SV176: $i,SV171: $i] :
      ( ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2003]) ).

thf(2057,plain,
    ! [SV137: $i,SV87: $i,SV171: $i,SV39: $i,SV176: $i] :
      ( ( ( in @ SV176 @ SV39 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2004]) ).

thf(2058,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
              | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2005]) ).

thf(2059,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                    | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
              | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) ) )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2007]) ).

thf(2060,plain,
    ! [SV89: $i,SV42: $i] :
      ( ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK51_SY596 @ SV89 @ SV42 ) )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2008]) ).

thf(2061,plain,
    ! [SV42: $i,SV89: $i] :
      ( ( ( in @ ( sK51_SY596 @ SV89 @ SV42 ) @ SV42 )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV89 )
        = $true )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2009]) ).

thf(2062,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ! [SY596: $i] :
                ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                    | ~ ( in @ SY596 @ SV42 ) ) )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2010]) ).

thf(2063,plain,
    ! [SV46: $i,SV162: $i,SV199: $i] :
      ( ( ( ~ ( subset @ SV199 @ SV162 )
          | ( in @ SV199 @ ( sK46_SY623 @ SV162 @ SV46 ) ) )
        = $true )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2014]) ).

thf(2064,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ ( sK62_SY614 @ SV187 @ SV132 @ SV47 ) ) @ SV47 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[2016]) ).

thf(2065,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
          | ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2019]) ).

thf(2066,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2020]) ).

thf(2067,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( ~ ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 ) )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2020]) ).

thf(2068,plain,
    ! [SV10: $i,SV184: $i,SV124: $i,SV139: $i,SV179: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) ) @ SV10 )
                | ~ ( in @ ( ordered_pair @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) @ SV184 ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[2021]) ).

thf(2069,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV200: $i,SV179: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SV200 ) @ SV10 )
                | ~ ( in @ ( ordered_pair @ SV200 @ SV184 ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2022]) ).

thf(2070,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ~ ! [SY653: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                      | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2023]) ).

thf(2071,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2023]) ).

thf(2072,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
              | ~ ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2024]) ).

thf(2073,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
              | ~ ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2025]) ).

thf(2074,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV148: $i] :
      ( ( ( SV148
          = ( ordered_pair @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2026]) ).

thf(2075,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ( ~ ( in @ SV185 @ SV11 )
              | ~ ( in @ SV196 @ SV69 ) ) )
        = $false )
      | ( ( SV148
         != ( ordered_pair @ SV185 @ SV196 ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2027]) ).

thf(2076,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                    | ~ ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 ) )
              | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
               != ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2028]) ).

thf(2077,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ( in @ SV180 @ SV11 )
          | ~ ( in @ SV193 @ SV69 ) )
        = $true )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ SV180 @ SV193 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2029]) ).

thf(2078,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
          | ( ( sK20_SY424 @ SV12 @ SV70 )
           != ( sK23_SY606 @ SV70 @ SV12 ) ) )
        = $false )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2032]) ).

thf(2079,plain,
    ! [SV134: $i,SV14: $i,SV158: $i,SV125: $i,SV194: $i] :
      ( ( ( in @ SV194 @ SV125 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV158 @ SV194 ) @ SV14 )
        = $false )
      | ( ( in @ SV158 @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $false )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2035]) ).

thf(2080,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
          | ~ ( in @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) @ SV125 ) )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2036]) ).

thf(2081,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ~ ! [SY618: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                      | ~ ( in @ SY618 @ SV125 ) )
          | ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2037]) ).

thf(2082,plain,
    ! [SV15: $i,SV126: $i,SV186: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK61_SY610 @ SV186 @ SV126 @ SV15 ) @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV186 @ ( sK21_SY531 @ SV15 @ SV126 ) ) @ SV15 )
        = $false )
      | ( ( SV126
          = ( relation_rng @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2038]) ).

thf(2083,plain,
    ! [SV135: $i,SV128: $i,SV20: $i,SV173: $i,SV169: $i] :
      ( ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV20 )
        = $false )
      | ( ( in @ SV169 @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV169 @ SV173 ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $false )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2041]) ).

thf(2084,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
          | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2042]) ).

thf(2085,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
          | ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 ) )
        = $false )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2043]) ).

thf(2086,plain,
    ! [SV78: $i,SV26: $i,SV201: $i] :
      ( ( ( ~ ( in @ SV201 @ SV26 )
          | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV201 ) )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2046]) ).

thf(2087,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ~ ! [SY641: $i] :
                ( ~ ( in @ SY641 @ SV26 )
                | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) ) )
        = $false )
      | ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2047]) ).

thf(2088,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $false )
      | ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2047]) ).

thf(2089,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ! [SY641: $i] :
              ( ~ ( in @ SY641 @ SV26 )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) ) )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2048]) ).

thf(2090,plain,
    ! [SV136: $i,SV30: $i,SV161: $i,SV131: $i,SV195: $i] :
      ( ( ( in @ SV195 @ SV131 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV195 @ SV161 ) @ SV30 )
        = $false )
      | ( ( in @ SV161 @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $false )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2052]) ).

thf(2091,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
          | ~ ( in @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ SV131 ) )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2053]) ).

thf(2092,plain,
    ! [SV191: $i,SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ~ ! [SY622: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                      | ~ ( in @ SY622 @ SV131 ) )
          | ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2054]) ).

thf(2093,plain,
    ! [SV137: $i,SV39: $i,SV87: $i,SV176: $i,SV171: $i] :
      ( ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV87 )
        = $false )
      | ( ( in @ SV176 @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV171 @ SV176 ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $false )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2057]) ).

thf(2094,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
          | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2058]) ).

thf(2095,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
          | ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 ) )
        = $false )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2059]) ).

thf(2096,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ! [SY596: $i] :
              ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SY596 )
                  | ~ ( in @ SY596 @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2062]) ).

thf(2097,plain,
    ! [SV46: $i,SV162: $i,SV199: $i] :
      ( ( ( ~ ( subset @ SV199 @ SV162 ) )
        = $true )
      | ( ( in @ SV199 @ ( sK46_SY623 @ SV162 @ SV46 ) )
        = $true )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2063]) ).

thf(2098,plain,
    ! [SV187: $i,SV132: $i,SV47: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ ( sK62_SY614 @ SV187 @ SV132 @ SV47 ) ) @ SV47 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK22_SY553 @ SV47 @ SV132 ) @ SV187 ) @ SV47 )
        = $false )
      | ( ( SV132
          = ( relation_dom @ SV47 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2064]) ).

thf(2099,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2065]) ).

thf(2100,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2065]) ).

thf(2101,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $true )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2066]) ).

thf(2102,plain,
    ! [SV121: $i,SV60: $i,SV104: $i] :
      ( ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $true )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV60 )
        = $false )
      | ( ( in @ ( sK19_SY507 @ SV104 @ SV60 @ SV121 ) @ SV104 )
        = $false )
      | ( ( SV121
          = ( set_intersection2 @ SV60 @ SV104 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2067]) ).

thf(2103,plain,
    ! [SV10: $i,SV184: $i,SV124: $i,SV139: $i,SV179: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV179 @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) ) @ SV10 )
              | ~ ( in @ ( ordered_pair @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) @ SV184 ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2068]) ).

thf(2104,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV200: $i,SV179: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ SV179 @ SV200 ) @ SV10 )
              | ~ ( in @ ( ordered_pair @ SV200 @ SV184 ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2069]) ).

thf(2105,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ! [SY653: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2070]) ).

thf(2106,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
          | ~ ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2072]) ).

thf(2107,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
          | ~ ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2073]) ).

thf(2108,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ( in @ SV185 @ SV11 )
          | ~ ( in @ SV196 @ SV69 ) )
        = $true )
      | ( ( SV148
         != ( ordered_pair @ SV185 @ SV196 ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2075]) ).

thf(2109,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                | ~ ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 ) )
          | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
           != ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2076]) ).

thf(2110,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( ~ ( in @ SV180 @ SV11 ) )
        = $true )
      | ( ( ~ ( in @ SV193 @ SV69 ) )
        = $true )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ SV180 @ SV193 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2077]) ).

thf(2111,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ~ ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 ) )
        = $false )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2078]) ).

thf(2112,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ( sK20_SY424 @ SV12 @ SV70 )
         != ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2078]) ).

thf(2113,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) ) @ SV14 ) )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2080]) ).

thf(2114,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( ~ ( in @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) @ SV125 ) )
        = $false )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2080]) ).

thf(2115,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ~ ! [SY618: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                      | ~ ( in @ SY618 @ SV125 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2081]) ).

thf(2116,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2081]) ).

thf(2117,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2084]) ).

thf(2118,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2084]) ).

thf(2119,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
                | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
        = $false )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2085]) ).

thf(2120,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $false )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2085]) ).

thf(2121,plain,
    ! [SV78: $i,SV26: $i,SV201: $i] :
      ( ( ( ~ ( in @ SV201 @ SV26 ) )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV201 )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2086]) ).

thf(2122,plain,
    ! [SV78: $i,SV26: $i] :
      ( ( ( ! [SY641: $i] :
              ( ~ ( in @ SY641 @ SV26 )
              | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SY641 ) ) )
        = $true )
      | ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2087]) ).

thf(2123,plain,
    ! [SV78: $i,SV26: $i,SV202: $i] :
      ( ( ( ~ ( in @ SV202 @ SV26 )
          | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV202 ) )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2089]) ).

thf(2124,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 ) )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2091]) ).

thf(2125,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ SV131 ) )
        = $false )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2091]) ).

thf(2126,plain,
    ! [SV191: $i,SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ~ ! [SY622: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                      | ~ ( in @ SY622 @ SV131 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2092]) ).

thf(2127,plain,
    ! [SV191: $i,SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2092]) ).

thf(2128,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2094]) ).

thf(2129,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2094]) ).

thf(2130,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
                | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
        = $false )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2095]) ).

thf(2131,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $false )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2095]) ).

thf(2132,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) )
                | ~ ( in @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2096]) ).

thf(2133,plain,
    ! [SV46: $i,SV162: $i,SV199: $i] :
      ( ( ( subset @ SV199 @ SV162 )
        = $false )
      | ( ( in @ SV199 @ ( sK46_SY623 @ SV162 @ SV46 ) )
        = $true )
      | ( ( in @ SV162 @ ( sK4_SY357 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2097]) ).

thf(2134,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $true )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2099]) ).

thf(2135,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 ) )
        = $true )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2100]) ).

thf(2136,plain,
    ! [SV10: $i,SV184: $i,SV124: $i,SV139: $i,SV179: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV179 @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) ) @ SV10 )
          | ~ ( in @ ( ordered_pair @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) @ SV184 ) @ SV124 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2103]) ).

thf(2137,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV200: $i,SV179: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV179 @ SV200 ) @ SV10 )
          | ~ ( in @ ( ordered_pair @ SV200 @ SV184 ) @ SV124 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2104]) ).

thf(2138,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ! [SY653: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                  | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2105]) ).

thf(2139,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2106]) ).

thf(2140,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( ~ ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2107]) ).

thf(2141,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 ) )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2107]) ).

thf(2142,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( ~ ( in @ SV185 @ SV11 ) )
        = $true )
      | ( ( ~ ( in @ SV196 @ SV69 ) )
        = $true )
      | ( ( SV148
         != ( ordered_pair @ SV185 @ SV196 ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2108]) ).

thf(2143,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                | ~ ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2109]) ).

thf(2144,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2109]) ).

thf(2145,plain,
    ! [SV107: $i,SV69: $i,SV193: $i,SV11: $i,SV180: $i] :
      ( ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ~ ( in @ SV193 @ SV69 ) )
        = $true )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ SV180 @ SV193 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2110]) ).

thf(2146,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $true )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2111]) ).

thf(2147,plain,
    ! [SV70: $i,SV12: $i] :
      ( ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $true )
      | ( ( in @ ( sK20_SY424 @ SV12 @ SV70 ) @ SV12 )
        = $false )
      | ( ( ( sK20_SY424 @ SV12 @ SV70 )
          = ( sK23_SY606 @ SV70 @ SV12 ) )
        = $false )
      | ( ( SV70
          = ( identity_relation @ SV12 ) )
        = $true )
      | ( ( relation @ SV70 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2112]) ).

thf(2148,plain,
    ! [SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
        = $true )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2113]) ).

thf(2149,plain,
    ! [SV125: $i,SV14: $i,SV134: $i] :
      ( ( ( in @ ( sK58_SY618 @ SV134 @ SV14 @ SV125 ) @ SV125 )
        = $true )
      | ( ( in @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV134 )
        = $true )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2114]) ).

thf(2150,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ! [SY618: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                    | ~ ( in @ SY618 @ SV125 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2115]) ).

thf(2151,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2117]) ).

thf(2152,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV135 )
        = $true )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2118]) ).

thf(2153,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
              | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2119]) ).

thf(2154,plain,
    ! [SV78: $i,SV26: $i,SV201: $i] :
      ( ( ( in @ SV201 @ SV26 )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV201 )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV78 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2121]) ).

thf(2155,plain,
    ! [SV78: $i,SV26: $i,SV203: $i] :
      ( ( ( ~ ( in @ SV203 @ SV26 )
          | ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV203 ) )
        = $true )
      | ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2122]) ).

thf(2156,plain,
    ! [SV78: $i,SV26: $i,SV202: $i] :
      ( ( ( ~ ( in @ SV202 @ SV26 ) )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV202 )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2123]) ).

thf(2157,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $true )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2124]) ).

thf(2158,plain,
    ! [SV131: $i,SV30: $i,SV136: $i] :
      ( ( ( in @ ( sK59_SY622 @ SV136 @ SV30 @ SV131 ) @ SV131 )
        = $true )
      | ( ( in @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) @ SV136 )
        = $true )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2125]) ).

thf(2159,plain,
    ! [SV191: $i,SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ~ ! [SY622: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                    | ~ ( in @ SY622 @ SV131 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2126]) ).

thf(2160,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2128]) ).

thf(2161,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV137 )
        = $true )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2129]) ).

thf(2162,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
              | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) ) )
        = $true )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2130]) ).

thf(2163,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) )
              | ~ ( in @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) @ SV42 ) ) )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2132]) ).

thf(2164,plain,
    ! [SV119: $i,SV58: $i,SV102: $i] :
      ( ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK18_SY505 @ SV102 @ SV58 @ SV119 ) @ SV102 )
        = $true )
      | ( ( SV119
          = ( set_difference @ SV58 @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2135]) ).

thf(2165,plain,
    ! [SV10: $i,SV184: $i,SV124: $i,SV139: $i,SV179: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV179 @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) ) @ SV10 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2136]) ).

thf(2166,plain,
    ! [SV179: $i,SV10: $i,SV184: $i,SV124: $i,SV139: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) @ SV184 ) @ SV124 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2136]) ).

thf(2167,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV200: $i,SV179: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV179 @ SV200 ) @ SV10 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV200 @ SV184 ) @ SV124 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2137]) ).

thf(2168,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
                | ~ ( in @ ( ordered_pair @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[2138]) ).

thf(2169,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2139]) ).

thf(2170,plain,
    ! [SV11: $i,SV69: $i,SV148: $i,SV107: $i] :
      ( ( ( in @ ( sK44_SY597 @ SV107 @ SV148 @ SV69 @ SV11 ) @ SV11 )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2140]) ).

thf(2171,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV11: $i] :
      ( ( ( in @ ( sK52_SY654 @ SV11 @ SV69 @ SV148 @ SV107 ) @ SV69 )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2141]) ).

thf(2172,plain,
    ! [SV107: $i,SV148: $i,SV69: $i,SV196: $i,SV11: $i,SV185: $i] :
      ( ( ( in @ SV185 @ SV11 )
        = $false )
      | ( ( ~ ( in @ SV196 @ SV69 ) )
        = $true )
      | ( ( SV148
         != ( ordered_pair @ SV185 @ SV196 ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2142]) ).

thf(2173,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
              | ~ ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 ) ) )
        = $true )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2143]) ).

thf(2174,plain,
    ! [SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) ) )
        = $true )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2144]) ).

thf(2175,plain,
    ! [SV107: $i,SV11: $i,SV180: $i,SV69: $i,SV193: $i] :
      ( ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ SV180 @ SV193 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2145]) ).

thf(2176,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ! [SY618: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SY618 ) @ SV14 )
                  | ~ ( in @ SY618 @ SV125 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2150]) ).

thf(2177,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
          | ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
        = $false )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2153]) ).

thf(2178,plain,
    ! [SV78: $i,SV26: $i,SV203: $i] :
      ( ( ( ~ ( in @ SV203 @ SV26 ) )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV203 )
        = $true )
      | ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2155]) ).

thf(2179,plain,
    ! [SV78: $i,SV26: $i,SV202: $i] :
      ( ( ( in @ SV202 @ SV26 )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV202 )
        = $true )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ ( sK54_SY640 @ SV78 @ SV26 ) )
        = $false )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2156]) ).

thf(2180,plain,
    ! [SV191: $i,SV136: $i,SV30: $i,SV131: $i] :
      ( ( ( ! [SY622: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ SY622 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                  | ~ ( in @ SY622 @ SV131 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2159]) ).

thf(2181,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
          | ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
        = $false )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2162]) ).

thf(2182,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) )
          | ~ ( in @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) @ SV42 ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2163]) ).

thf(2183,plain,
    ! [SV10: $i,SV184: $i,SV124: $i,SV139: $i,SV179: $i] :
      ( ( ( in @ ( ordered_pair @ SV179 @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) ) @ SV10 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2165]) ).

thf(2184,plain,
    ! [SV179: $i,SV10: $i,SV184: $i,SV124: $i,SV139: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK63_SY650 @ SV139 @ SV124 @ SV184 @ SV10 @ SV179 ) @ SV184 ) @ SV124 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2166]) ).

thf(2185,plain,
    ! [SV139: $i,SV124: $i,SV184: $i,SV10: $i,SV200: $i,SV179: $i] :
      ( ( ( in @ ( ordered_pair @ SV179 @ SV200 ) @ SV10 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV200 @ SV184 ) @ SV124 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2167]) ).

thf(2186,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
              | ~ ( in @ ( ordered_pair @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2168]) ).

thf(2187,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV198: $i] :
      ( ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY653: $i] :
                      ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                          | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
              | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) ) )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2169]) ).

thf(2188,plain,
    ! [SV107: $i,SV148: $i,SV11: $i,SV185: $i,SV69: $i,SV196: $i] :
      ( ( ( in @ SV196 @ SV69 )
        = $false )
      | ( ( in @ SV185 @ SV11 )
        = $false )
      | ( ( SV148
         != ( ordered_pair @ SV185 @ SV196 ) )
        = $true )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2172]) ).

thf(2189,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
          | ~ ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2173]) ).

thf(2190,plain,
    ! [SV193: $i,SV180: $i,SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY603: $i] :
                      ~ ~ ! [SY604: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                      | ~ ( in @ SY604 @ SV69 ) )
                                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                                 != ( ordered_pair @ SY603 @ SY604 ) ) )
              | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) ) )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2175]) ).

thf(2191,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
                | ~ ( in @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) @ SV125 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[2176]) ).

thf(2192,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 ) )
        = $false )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2177]) ).

thf(2193,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 ) )
        = $false )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2177]) ).

thf(2194,plain,
    ! [SV78: $i,SV26: $i,SV203: $i] :
      ( ( ( in @ SV203 @ SV26 )
        = $false )
      | ( ( in @ ( sK38_SY437 @ SV26 @ SV78 ) @ SV203 )
        = $true )
      | ( ( in @ ( sK54_SY640 @ SV78 @ SV26 ) @ SV26 )
        = $true )
      | ( ( SV78
          = ( set_meet @ SV26 ) )
        = $true )
      | ( ( SV26 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2178]) ).

thf(2195,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV191: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
                | ~ ( in @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ SV131 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[2180]) ).

thf(2196,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 ) )
        = $false )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2181]) ).

thf(2197,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 ) )
        = $false )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2181]) ).

thf(2198,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2182]) ).

thf(2199,plain,
    ! [SV42: $i,SV89: $i,SV177: $i] :
      ( ( ( ~ ( in @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) @ SV42 ) )
        = $false )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2182]) ).

thf(2200,plain,
    ! [SV139: $i,SV10: $i,SV179: $i,SV124: $i,SV184: $i,SV200: $i] :
      ( ( ( in @ ( ordered_pair @ SV200 @ SV184 ) @ SV124 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV200 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV179 @ SV184 ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $false )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2185]) ).

thf(2201,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
          | ~ ( in @ ( ordered_pair @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2186]) ).

thf(2202,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ~ ! [SY653: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                      | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
          | ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2187]) ).

thf(2203,plain,
    ! [SV107: $i,SV69: $i,SV11: $i,SV196: $i,SV185: $i,SV148: $i] :
      ( ( ( SV148
          = ( ordered_pair @ SV185 @ SV196 ) )
        = $false )
      | ( ( in @ SV185 @ SV11 )
        = $false )
      | ( ( in @ SV196 @ SV69 )
        = $false )
      | ( ( in @ SV148 @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2188]) ).

thf(2204,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( ~ ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2189]) ).

thf(2205,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 ) )
        = $false )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2189]) ).

thf(2206,plain,
    ! [SV180: $i,SV193: $i,SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ~ ! [SY603: $i] :
                  ~ ~ ! [SY604: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                  | ~ ( in @ SY604 @ SV69 ) )
                            | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                             != ( ordered_pair @ SY603 @ SY604 ) ) )
          | ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2190]) ).

thf(2207,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
              | ~ ( in @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) @ SV125 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2191]) ).

thf(2208,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $true )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2192]) ).

thf(2209,plain,
    ! [SV135: $i,SV128: $i,SV20: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $true )
      | ( ( in @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ SV128 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK33_SY568 @ SV20 @ SV128 @ SV135 ) @ ( sK37_SY633 @ SV135 @ SV128 @ SV20 ) ) @ SV20 )
        = $false )
      | ( ( SV135
          = ( relation_dom_restriction @ SV20 @ SV128 ) )
        = $true )
      | ( ( relation @ SV135 )
        = $false )
      | ( ( relation @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2193]) ).

thf(2210,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV191: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
              | ~ ( in @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ SV131 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2195]) ).

thf(2211,plain,
    ! [SV87: $i,SV39: $i,SV137: $i] :
      ( ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $true )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2196]) ).

thf(2212,plain,
    ! [SV137: $i,SV39: $i,SV87: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $true )
      | ( ( in @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) @ SV39 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK35_SY578 @ SV87 @ SV39 @ SV137 ) @ ( sK40_SY636 @ SV137 @ SV39 @ SV87 ) ) @ SV87 )
        = $false )
      | ( ( SV137
          = ( relation_rng_restriction @ SV39 @ SV87 ) )
        = $true )
      | ( ( relation @ SV137 )
        = $false )
      | ( ( relation @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2197]) ).

thf(2213,plain,
    ! [SV177: $i,SV89: $i,SV42: $i] :
      ( ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2198]) ).

thf(2214,plain,
    ! [SV42: $i,SV89: $i,SV177: $i] :
      ( ( ( in @ ( sK64_SY596 @ SV177 @ SV89 @ SV42 ) @ SV42 )
        = $true )
      | ( ( in @ ( sK13_SY458 @ SV42 @ SV89 ) @ SV177 )
        = $false )
      | ( ( in @ SV177 @ SV42 )
        = $false )
      | ( ( SV89
          = ( union @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2199]) ).

thf(2215,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) ) @ SV10 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2201]) ).

thf(2216,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2201]) ).

thf(2217,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ~ ! [SY653: $i] :
                  ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                      | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2202]) ).

thf(2218,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2202]) ).

thf(2219,plain,
    ! [SV11: $i,SV69: $i,SV107: $i] :
      ( ( ( in @ ( sK53_SY603 @ SV107 @ SV69 @ SV11 ) @ SV11 )
        = $true )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2204]) ).

thf(2220,plain,
    ! [SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( in @ ( sK60_SY657 @ SV11 @ SV69 @ SV107 ) @ SV69 )
        = $true )
      | ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $true )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2205]) ).

thf(2221,plain,
    ! [SV180: $i,SV193: $i,SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ~ ! [SY603: $i] :
                  ~ ~ ! [SY604: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                  | ~ ( in @ SY604 @ SV69 ) )
                            | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                             != ( ordered_pair @ SY603 @ SY604 ) ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2206]) ).

thf(2222,plain,
    ! [SV180: $i,SV193: $i,SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( in @ ( sK15_SY483 @ SV69 @ SV11 @ SV107 ) @ SV107 )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2206]) ).

thf(2223,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
          | ~ ( in @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) @ SV125 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2207]) ).

thf(2224,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV191: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
          | ~ ( in @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ SV131 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2210]) ).

thf(2225,plain,
    ! [SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2215]) ).

thf(2226,plain,
    ! [SV124: $i,SV10: $i,SV139: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK65_SY653 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV139 )
        = $true )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2216]) ).

thf(2227,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ! [SY653: $i] :
                ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                    | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2217]) ).

thf(2228,plain,
    ! [SV180: $i,SV193: $i,SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ! [SY603: $i] :
                ~ ~ ! [SY604: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                                | ~ ( in @ SY604 @ SV69 ) )
                          | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                           != ( ordered_pair @ SY603 @ SY604 ) ) ) )
        = $true )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2221]) ).

thf(2229,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) ) @ SV14 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2223]) ).

thf(2230,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV189: $i] :
      ( ( ( ~ ( in @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) @ SV125 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2223]) ).

thf(2231,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV191: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2224]) ).

thf(2232,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV191: $i] :
      ( ( ( ~ ( in @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ SV131 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2224]) ).

thf(2233,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ! [SY653: $i] :
              ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SY653 ) @ SV10 )
                  | ~ ( in @ ( ordered_pair @ SY653 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2227]) ).

thf(2234,plain,
    ! [SV180: $i,SV193: $i,SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ! [SY603: $i] :
              ~ ~ ! [SY604: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY603 @ SV11 )
                              | ~ ( in @ SY604 @ SV69 ) )
                        | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                         != ( ordered_pair @ SY603 @ SY604 ) ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2228]) ).

thf(2235,plain,
    ! [SV189: $i,SV134: $i,SV14: $i,SV125: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) ) @ SV14 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2229]) ).

thf(2236,plain,
    ! [SV125: $i,SV14: $i,SV134: $i,SV189: $i] :
      ( ( ( in @ ( sK66_SY618 @ SV189 @ SV134 @ SV14 @ SV125 ) @ SV125 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK24_SY563 @ SV125 @ SV14 @ SV134 ) @ SV189 ) @ SV14 )
        = $false )
      | ( ( in @ SV189 @ SV125 )
        = $false )
      | ( ( SV134
          = ( relation_inverse_image @ SV14 @ SV125 ) )
        = $true )
      | ( ( relation @ SV14 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2230]) ).

thf(2237,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV191: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2231]) ).

thf(2238,plain,
    ! [SV131: $i,SV30: $i,SV136: $i,SV191: $i] :
      ( ( ( in @ ( sK67_SY622 @ SV191 @ SV136 @ SV30 @ SV131 ) @ SV131 )
        = $true )
      | ( ( in @ ( ordered_pair @ SV191 @ ( sK25_SY573 @ SV131 @ SV30 @ SV136 ) ) @ SV30 )
        = $false )
      | ( ( in @ SV191 @ SV131 )
        = $false )
      | ( ( SV136
          = ( relation_image @ SV30 @ SV131 ) )
        = $true )
      | ( ( relation @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2232]) ).

thf(2239,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
                | ~ ( in @ ( ordered_pair @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[2233]) ).

thf(2240,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ~ ! [SY658: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                            | ~ ( in @ SY658 @ SV69 ) )
                      | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                       != ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SY658 ) ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2234]) ).

thf(2241,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
              | ~ ( in @ ( ordered_pair @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) ) )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2239]) ).

thf(2242,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ! [SY658: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                          | ~ ( in @ SY658 @ SV69 ) )
                    | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                     != ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SY658 ) ) ) )
        = $true )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2240]) ).

thf(2243,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
          | ~ ( in @ ( ordered_pair @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2241]) ).

thf(2244,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ! [SY658: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                        | ~ ( in @ SY658 @ SV69 ) )
                  | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                   != ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SY658 ) ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2242]) ).

thf(2245,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) ) @ SV10 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2243]) ).

thf(2246,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV198: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2243]) ).

thf(2247,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                      | ~ ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 ) )
                | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
                 != ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) ) ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2244]) ).

thf(2248,plain,
    ! [SV198: $i,SV139: $i,SV10: $i,SV124: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) ) @ SV10 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2245]) ).

thf(2249,plain,
    ! [SV124: $i,SV10: $i,SV139: $i,SV198: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK68_SY653 @ SV198 @ SV139 @ SV10 @ SV124 ) @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK41_SY585 @ SV124 @ SV10 @ SV139 ) @ SV198 ) @ SV10 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV198 @ ( sK43_SY646 @ SV139 @ SV10 @ SV124 ) ) @ SV124 )
        = $false )
      | ( ( SV139
          = ( relation_composition @ SV10 @ SV124 ) )
        = $true )
      | ( ( relation @ SV139 )
        = $false )
      | ( ( relation @ SV124 )
        = $false )
      | ( ( relation @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2246]) ).

thf(2250,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                    | ~ ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 ) )
              | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
               != ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) ) ) ) )
        = $true )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2247]) ).

thf(2251,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                | ~ ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 ) )
          | ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
           != ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2250]) ).

thf(2252,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
                | ~ ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2251]) ).

thf(2253,plain,
    ! [SV193: $i,SV180: $i,SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
         != ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2251]) ).

thf(2254,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
              | ~ ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 ) ) )
        = $true )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2252]) ).

thf(2255,plain,
    ! [SV193: $i,SV180: $i,SV107: $i,SV11: $i,SV69: $i] :
      ( ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) ) )
        = $true )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2253]) ).

thf(2256,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
          | ~ ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2254]) ).

thf(2257,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( ~ ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2256]) ).

thf(2258,plain,
    ! [SV180: $i,SV193: $i,SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 ) )
        = $false )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2256]) ).

thf(2259,plain,
    ! [SV11: $i,SV69: $i,SV107: $i,SV193: $i,SV180: $i] :
      ( ( ( in @ ( sK69_SY603 @ SV180 @ SV193 @ SV107 @ SV69 @ SV11 ) @ SV11 )
        = $true )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2257]) ).

thf(2260,plain,
    ! [SV180: $i,SV193: $i,SV107: $i,SV69: $i,SV11: $i] :
      ( ( ( in @ ( sK70_SY658 @ SV11 @ SV69 @ SV107 @ SV193 @ SV180 ) @ SV69 )
        = $true )
      | ( ( in @ SV193 @ SV69 )
        = $false )
      | ( ( in @ SV180 @ SV11 )
        = $false )
      | ( ( ( sK15_SY483 @ SV69 @ SV11 @ SV107 )
          = ( ordered_pair @ SV180 @ SV193 ) )
        = $false )
      | ( ( SV107
          = ( cartesian_product2 @ SV11 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2258]) ).

thf(2261,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[361,2260,2259,2255,2249,2248,2238,2237,2236,2235,2226,2225,2222,2220,2219,2218,2214,2213,2212,2211,2209,2208,2203,2200,2194,2184,2183,2179,2174,2171,2170,2164,2161,2160,2158,2157,2154,2152,2151,2149,2148,2147,2146,2134,2133,2131,2127,2120,2116,2102,2101,2098,2093,2090,2088,2083,2082,2079,2074,2071,2061,2060,2056,2055,2051,2050,2049,2045,2044,2040,2039,2034,2033,2031,2030,2018,2017,2015,2013,2012,2011,2006,1994,1992,1989,1987,1981,1975,1963,1961,1960,1959,1956,1955,1954,1945,1918,1909,1908,1906,1905,1898,1897,1894,1891,1885,1884,1871,1865,1855,1854,1846,1843,1841,1838,1834,1833,1832,1831,1828,1827,1824,1823,1809,1795,1794,1793,1790,1789,1787,1782,1768,1767,1761,1760,1755,1746,1723,1715,1690,1684,1679,1677,1675,1659,1645,1644,1640,1638,1636,1626,1620,1609,1597,1596,1595,1583,1579,1578,1574,1569,1556,1555,1554,1553,1552,1543,1542,1502,1497,1492,1486,1485,1480,1470,1460,1424,1422,1421,1414,1413,1408,1407,1403,1396,1394,1392,1391,1372,1371,1359,1356,1355,1354,1350,1319,1318,1315,1311,1310,1307,1306,1268,1267,1264,1263,1231,1224,1223,1176,1164,1163,1162,1144,1143,1079,1054,999,998,984,983,959,935,927,920,915,890,889,866,865,842,826,738,714,711,706,700,699,692,685,684,673,672,668,656,451,450,388,379,378,376,375,374,373,372,371,370,369,368,367,366,365,364,363,362]) ).

thf(2262,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[2261]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SEU217+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.16  % Computer : n019.cluster.edu
% 0.07/0.16  % Model    : x86_64 x86_64
% 0.07/0.16  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.16  % Memory   : 8046.5625MB
% 0.07/0.16  % OS       : Linux 6.8.0-71-generic
% 0.07/0.16  % CPULimit : 300
% 0.07/0.16  % WCLimit  : 300
% 0.07/0.16  % DateTime : Tue Oct  6 15:06:58 UTC 2026
% 0.07/0.16  % CPUTime  : 
% 0.07/0.16  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 29.21/5.09  .
% 29.21/5.09  
% 29.21/5.09   No.of.Axioms: 79
% 29.21/5.09  
% 29.21/5.09   Length.of.Defs: 0
% 29.21/5.09  
% 29.21/5.09   Contains.Choice.Funs: false
% 29.21/5.09  ..................................................................................
% 29.21/5.09  
% 29.21/5.09  ********************************
% 29.21/5.09  *   All subproblems solved!    *
% 29.21/5.09  ********************************
% 29.21/5.09  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:80,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:2261,loop_count:0,foatp_calls:1,translation:fof_full)
% 29.21/5.09  
% 29.21/5.09  %**** Beginning of derivation protocol ****
% 29.21/5.09  % SZS output start CNFRefutation
% See solution above
% 29.21/5.11  
% 29.21/5.11  %**** End of derivation protocol ****
% 29.21/5.11  %**** no. of clauses in derivation: 2120 ****
% 29.21/5.11  %**** clause counter: 2261 ****
% 29.21/5.11  
% 29.21/5.11  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:80,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:2261,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------