TSTP Solution File: SEU275+2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU275+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n025.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 12:09:25 EDT 2022

% Result   : Theorem 2.03s 2.28s
% Output   : CNFRefutation 4.44s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   45
%            Number of leaves      :  236
% Syntax   : Number of formulae    : 2611 ( 968 unt; 123 typ;   0 def)
%            Number of atoms       : 22623 (7853 equ;   0 cnn)
%            Maximal formula atoms :   16 (   9 avg)
%            Number of connectives : 47081 (9373   ~;8475   |; 476   &;28465   @)
%                                         (  82 <=>; 210  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  202 ( 202   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  126 ( 123 usr;  10 con; 0-4 aty)
%            Number of variables   : 7270 (   0   ^7232   !;  38   ?;7270   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_antisymmetric,type,
    antisymmetric: $i > $o ).

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

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

thf(tp_being_limit_ordinal,type,
    being_limit_ordinal: $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_connected,type,
    connected: $i > $o ).

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_epsilon_connected,type,
    epsilon_connected: $i > $o ).

thf(tp_epsilon_transitive,type,
    epsilon_transitive: $i > $o ).

thf(tp_fiber,type,
    fiber: $i > $i > $i ).

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

thf(tp_function_inverse,type,
    function_inverse: $i > $i ).

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

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

thf(tp_inclusion_relation,type,
    inclusion_relation: $i > $i ).

thf(tp_is_antisymmetric_in,type,
    is_antisymmetric_in: $i > $i > $o ).

thf(tp_is_connected_in,type,
    is_connected_in: $i > $i > $o ).

thf(tp_is_reflexive_in,type,
    is_reflexive_in: $i > $i > $o ).

thf(tp_is_transitive_in,type,
    is_transitive_in: $i > $i > $o ).

thf(tp_is_well_founded_in,type,
    is_well_founded_in: $i > $i > $o ).

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

thf(tp_one_to_one,type,
    one_to_one: $i > $o ).

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

thf(tp_ordinal,type,
    ordinal: $i > $o ).

thf(tp_ordinal_subset,type,
    ordinal_subset: $i > $i > $o ).

thf(tp_pair_first,type,
    pair_first: $i > $i ).

thf(tp_pair_second,type,
    pair_second: $i > $i ).

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

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

thf(tp_reflexive,type,
    reflexive: $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_as_subset,type,
    relation_dom_as_subset: $i > $i > $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_isomorphism,type,
    relation_isomorphism: $i > $i > $i > $o ).

thf(tp_relation_of2,type,
    relation_of2: $i > $i > $i > $o ).

thf(tp_relation_of2_as_subset,type,
    relation_of2_as_subset: $i > $i > $i > $o ).

thf(tp_relation_restriction,type,
    relation_restriction: $i > $i > $i ).

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

thf(tp_relation_rng_as_subset,type,
    relation_rng_as_subset: $i > $i > $i > $i ).

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

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

thf(tp_sK11_D,type,
    sK11_D: $i > $i > $i > $i ).

thf(tp_sK12_D,type,
    sK12_D: $i > $i > $i > $i ).

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

thf(tp_sK14_SY277,type,
    sK14_SY277: $i > $i > $i ).

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

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

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

thf(tp_sK18_SY278,type,
    sK18_SY278: $i > $i > $i ).

thf(tp_sK19_B,type,
    sK19_B: $i > $i ).

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

thf(tp_sK20_SY279,type,
    sK20_SY279: $i > $i ).

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

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

thf(tp_sK23_C,type,
    sK23_C: $i > $i > $i ).

thf(tp_sK24_SY280,type,
    sK24_SY280: $i > $i > $i ).

thf(tp_sK25_B,type,
    sK25_B: $i > $i ).

thf(tp_sK26_C,type,
    sK26_C: $i > $i > $i ).

thf(tp_sK27_B,type,
    sK27_B: $i > $i ).

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

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

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

thf(tp_sK30_SY281,type,
    sK30_SY281: $i > $i > $i ).

thf(tp_sK31_B,type,
    sK31_B: $i > $i ).

thf(tp_sK32_E,type,
    sK32_E: $i > $i > $i > $i > $i ).

thf(tp_sK33_B,type,
    sK33_B: $i > $i ).

thf(tp_sK34_C,type,
    sK34_C: $i > $i > $i ).

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

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

thf(tp_sK37_SY285,type,
    sK37_SY285: $i > $i ).

thf(tp_sK38_B,type,
    sK38_B: $i > $i ).

thf(tp_sK39_SY286,type,
    sK39_SY286: $i > $i ).

thf(tp_sK3_SY270,type,
    sK3_SY270: $i > $i > $i ).

thf(tp_sK40_SY288,type,
    sK40_SY288: $i > $i ).

thf(tp_sK41_C,type,
    sK41_C: $i > $i > $i ).

thf(tp_sK42_H,type,
    sK42_H: $i > $i > $i > $i ).

thf(tp_sK43_E,type,
    sK43_E: $i > $i > $i > $i ).

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

thf(tp_sK45_SY295,type,
    sK45_SY295: $i > $i > $i ).

thf(tp_sK46_SY299,type,
    sK46_SY299: $i > $i > $i ).

thf(tp_sK47_SY303,type,
    sK47_SY303: $i > $i > $i ).

thf(tp_sK48_SY300,type,
    sK48_SY300: $i > $i > $i ).

thf(tp_sK49_A,type,
    sK49_A: $i ).

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

thf(tp_sK50_B,type,
    sK50_B: $i > $i ).

thf(tp_sK51_B,type,
    sK51_B: $i > $i ).

thf(tp_sK52_C,type,
    sK52_C: $i > $i > $i ).

thf(tp_sK53_E,type,
    sK53_E: $i > $i > $i > $i ).

thf(tp_sK54_B,type,
    sK54_B: $i > $i ).

thf(tp_sK5_C,type,
    sK5_C: $i > $i > $i ).

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

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

thf(tp_sK8_A,type,
    sK8_A: $i ).

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

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

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

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

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

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

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

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

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

thf(tp_succ,type,
    succ: $i > $i ).

thf(tp_transitive,type,
    transitive: $i > $o ).

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(tp_unordered_triple,type,
    unordered_triple: $i > $i > $i > $i ).

thf(tp_well_founded_relation,type,
    well_founded_relation: $i > $o ).

thf(tp_well_ordering,type,
    well_ordering: $i > $o ).

thf(tp_well_orders,type,
    well_orders: $i > $i > $o ).

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 )
        & ! [C: $i] :
            ~ ( ( in @ C @ B )
              & ! [D: $i] :
                  ~ ( ( in @ D @ B )
                    & ( in @ D @ C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_tarski) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_boole) ).

thf(11,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(14,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_subset) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ( C = D )
              & ? [F: $i] :
                  ( ( ordinal @ F )
                  & ( D = F )
                  & ( in @ F @ A ) )
              & ( C = E )
              & ? [G: $i] :
                  ( ( ordinal @ G )
                  & ( E = G )
                  & ( in @ G @ A ) ) )
           => ( D = E ) )
       => ? [C: $i] :
          ! [D: $i] :
            ( ( in @ D @ C )
          <=> ? [E: $i] :
                ( ( in @ E @ ( succ @ B ) )
                & ( E = D )
                & ? [H: $i] :
                    ( ( ordinal @ H )
                    & ( D = H )
                    & ( in @ H @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_tarski__e8_6__wellord2__1) ).

thf(18,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ordinal_subset @ A @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_r1_ordinal1) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
      <=> ( subset @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',redefinition_r1_ordinal1) ).

thf(28,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(29,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc3_ordinal1) ).

thf(33,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(38,axiom,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(39,axiom,
    ? [A: $i] :
      ( ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_ordinal1) ).

thf(40,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(43,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_inverse @ ( relation_inverse @ A ) )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',involutiveness_k4_relat_1) ).

thf(55,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ ( union @ A ) )
        & ( epsilon_connected @ ( union @ A ) )
        & ( ordinal @ ( union @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc4_ordinal1) ).

thf(59,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc3_relat_1) ).

thf(60,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ~ ( empty @ ( succ @ A ) )
        & ( epsilon_transitive @ ( succ @ A ) )
        & ( epsilon_connected @ ( succ @ A ) )
        & ( ordinal @ ( succ @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc3_ordinal1) ).

thf(64,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_relat_1) ).

thf(70,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_intersection2 @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_relat_1) ).

thf(71,axiom,
    ! [A: $i] :
      ~ ( empty @ ( succ @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_ordinal1) ).

thf(84,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( relation @ ( relation_rng_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k8_relat_1) ).

thf(86,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_dom_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k7_relat_1) ).

thf(89,axiom,
    ! [A: $i] : ( relation @ ( identity_relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k6_relat_1) ).

thf(92,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( relation_composition @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_relat_1) ).

thf(96,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_inverse @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_relat_1) ).

thf(103,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_wellord1) ).

thf(111,axiom,
    ! [A: $i] : ( relation @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_wellord2) ).

thf(123,axiom,
    ! [A: $i,B: $i] :
      ( ( proper_subset @ A @ B )
    <=> ( ( subset @ A @ B )
        & ( A != B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d8_xboole_0) ).

thf(134,axiom,
    ! [A: $i] :
      ( ( being_limit_ordinal @ A )
    <=> ( A
        = ( union @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d6_ordinal1) ).

thf(140,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(141,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( well_ordering @ A )
      <=> ( ( reflexive @ A )
          & ( transitive @ A )
          & ( antisymmetric @ A )
          & ( connected @ A )
          & ( well_founded_relation @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_wellord1) ).

thf(142,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(146,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
    <=> ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_ordinal1) ).

thf(148,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(150,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(151,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(152,axiom,
    ! [A: $i] :
      ( ( epsilon_connected @ A )
    <=> ! [B: $i,C: $i] :
          ~ ( ( in @ B @ A )
            & ( in @ C @ A )
            & ~ ( in @ B @ C )
            & ( B != C )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_ordinal1) ).

thf(154,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(156,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(158,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(159,axiom,
    ! [A: $i] :
      ( ( epsilon_transitive @ A )
    <=> ! [B: $i] :
          ( ( in @ B @ A )
         => ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_ordinal1) ).

thf(161,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(162,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(165,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(169,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(172,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D
        = ( unordered_triple @ A @ B @ C ) )
    <=> ! [E: $i] :
          ( ( in @ E @ D )
        <=> ~ ( ( E != A )
              & ( E != B )
              & ( E != C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_enumset1) ).

thf(182,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(184,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
        | ( ordinal_subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',connectedness_r1_ordinal1) ).

thf(188,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A )
        & ( ordinal @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc3_ordinal1) ).

thf(189,axiom,
    ! [A: $i] :
      ( ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) )
     => ( ordinal @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc2_ordinal1) ).

thf(192,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(193,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc1_ordinal1) ).

thf(196,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(201,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t92_zfmisc_1) ).

thf(204,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t8_xboole_1) ).

thf(207,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t88_relat_1) ).

thf(210,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(216,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_zfmisc_1) ).

thf(217,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( well_founded_relation @ ( inclusion_relation @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_wellord2) ).

thf(223,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( disjoint @ B @ C ) )
     => ( disjoint @ A @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t63_xboole_1) ).

thf(225,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( subset @ A @ B )
        & ( proper_subset @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t60_xboole_1) ).

thf(227,axiom,
    ! [A: $i] : ( antisymmetric @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t5_wellord2) ).

thf(238,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( connected @ ( inclusion_relation @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t4_wellord2) ).

thf(251,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ~ ( ~ ( being_limit_ordinal @ A )
            & ! [B: $i] :
                ( ( ordinal @ B )
               => ( A
                 != ( succ @ B ) ) ) )
        & ~ ( ? [B: $i] :
                ( ( ordinal @ B )
                & ( A
                  = ( succ @ B ) ) )
            & ( being_limit_ordinal @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t42_ordinal1) ).

thf(252,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( being_limit_ordinal @ A )
      <=> ! [B: $i] :
            ( ( ordinal @ B )
           => ( ( in @ B @ A )
             => ( in @ ( succ @ B ) @ A ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t41_ordinal1) ).

thf(254,axiom,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(255,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(256,axiom,
    ! [A: $i] : ( transitive @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_wellord2) ).

thf(257,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( in @ B @ C )
        & ( in @ C @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_ordinal1) ).

thf(260,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( ( well_ordering @ B )
          & ( subset @ A @ ( relation_field @ B ) ) )
       => ( ( relation_field @ ( relation_restriction @ B @ A ) )
          = A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t39_wellord1) ).

thf(261,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(262,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t37_zfmisc_1) ).

thf(265,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t36_xboole_1) ).

thf(269,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t33_xboole_1) ).

thf(270,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ( ( in @ A @ B )
          <=> ( ordinal_subset @ ( succ @ A ) @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t33_ordinal1) ).

thf(271,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_ordering @ B )
       => ( well_ordering @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t32_wellord1) ).

thf(272,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ~ ( ( subset @ A @ B )
          & ( A != empty_set )
          & ! [C: $i] :
              ( ( ordinal @ C )
             => ~ ( ( in @ C @ A )
                  & ! [D: $i] :
                      ( ( ordinal @ D )
                     => ( ( in @ D @ A )
                       => ( ordinal_subset @ C @ D ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t32_ordinal1) ).

thf(273,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_founded_relation @ B )
       => ( well_founded_relation @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t31_wellord1) ).

thf(274,axiom,
    ! [A: $i] :
      ( ! [B: $i] :
          ( ( in @ B @ A )
         => ( ( ordinal @ B )
            & ( subset @ B @ A ) ) )
     => ( ordinal @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t31_ordinal1) ).

thf(276,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(277,axiom,
    ! [A: $i] : ( reflexive @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_wellord2) ).

thf(278,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_intersection2 @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t28_xboole_1) ).

thf(279,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t26_xboole_1) ).

thf(280,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( antisymmetric @ B )
       => ( antisymmetric @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t25_wellord1) ).

thf(282,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( transitive @ B )
       => ( transitive @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t24_wellord1) ).

thf(283,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ~ ( ~ ( in @ A @ B )
              & ( A != B )
              & ~ ( in @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t24_ordinal1) ).

thf(284,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( connected @ B )
       => ( connected @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t23_wellord1) ).

thf(286,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ( in @ A @ B )
       => ( ordinal @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t23_ordinal1) ).

thf(288,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( reflexive @ B )
       => ( reflexive @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t22_wellord1) ).

thf(291,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( subset @ ( fiber @ ( relation_restriction @ C @ A ) @ B ) @ ( fiber @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t21_wellord1) ).

thf(293,axiom,
    ! [A: $i] :
      ( ( epsilon_transitive @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ( ( proper_subset @ A @ B )
           => ( in @ A @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t21_ordinal1) ).

thf(295,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ ( relation_field @ B ) )
        & ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t20_wellord1) ).

thf(298,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ B @ C ) )
     => ( subset @ A @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_xboole_1) ).

thf(299,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ A @ C ) )
     => ( subset @ A @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t19_xboole_1) ).

thf(300,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
       => ( ( in @ A @ ( relation_field @ C ) )
          & ( in @ A @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t19_wellord1) ).

thf(302,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t17_xboole_1) ).

thf(304,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( subset @ A @ B )
       => ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t178_relat_1) ).

thf(306,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_restriction @ C @ B ) )
      <=> ( ( in @ A @ C )
          & ( in @ A @ ( cartesian_product2 @ B @ B ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t16_wellord1) ).

thf(307,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation_of2_as_subset @ D @ C @ A )
     => ( ( subset @ A @ B )
       => ( relation_of2_as_subset @ D @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t16_relset_1) ).

thf(321,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_union2 @ A @ B )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t12_xboole_1) ).

thf(323,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ D ) )
     => ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t119_zfmisc_1) ).

thf(325,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
        & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t118_zfmisc_1) ).

thf(327,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t117_relat_1) ).

thf(331,axiom,
    ! [A: $i] : ( in @ A @ ( succ @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t10_ordinal1) ).

thf(333,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ? [C: $i] :
        ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ ( succ @ B ) )
            & ? [E: $i] :
                ( ( ordinal @ E )
                & ( D = E )
                & ( in @ E @ A ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_xboole_0__e8_6__wellord2__1) ).

thf(334,axiom,
    ! [A: $i] :
      ( ? [B: $i] :
          ( ( ordinal @ B )
          & ( in @ B @ A ) )
     => ? [B: $i] :
          ( ( ordinal @ B )
          & ( in @ B @ A )
          & ! [C: $i] :
              ( ( ordinal @ C )
             => ( ( in @ C @ A )
               => ( ordinal_subset @ B @ C ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_ordinal1__e8_6__wellord2) ).

thf(338,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l50_zfmisc_1) ).

thf(342,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( antisymmetric @ A )
      <=> ! [B: $i,C: $i] :
            ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
              & ( in @ ( ordered_pair @ C @ B ) @ A ) )
           => ( B = C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l3_wellord1) ).

thf(345,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l2_zfmisc_1) ).

thf(346,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( transitive @ A )
      <=> ! [B: $i,C: $i,D: $i] :
            ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
              & ( in @ ( ordered_pair @ C @ D ) @ A ) )
           => ( in @ ( ordered_pair @ B @ D ) @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l2_wellord1) ).

thf(353,conjecture,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( well_ordering @ ( inclusion_relation @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_wellord2) ).

thf(354,negated_conjecture,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( well_ordering @ ( inclusion_relation @ A ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[353]) ).

thf(355,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( well_ordering @ ( inclusion_relation @ A ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[354]) ).

thf(356,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(357,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ! [C: $i] :
                ~ ( ( in @ C @ B )
                  & ! [D: $i] :
                      ~ ( ( in @ D @ B )
                        & ( in @ D @ C ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(358,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(359,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(360,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(361,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(362,plain,
    ( ( ? [A: $i] :
          ( ( relation @ A )
          & ( relation_empty_yielding @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(363,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( epsilon_transitive @ A )
          & ( epsilon_connected @ A )
          & ( ordinal @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(364,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(365,plain,
    ( ( ? [A: $i] :
          ( ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(366,plain,
    ( ( ? [A: $i] :
          ( ( relation @ A )
          & ( function @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(367,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(368,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( ( epsilon_transitive @ ( union @ A ) )
            & ( epsilon_connected @ ( union @ A ) )
            & ( ordinal @ ( union @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(369,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[59]) ).

thf(370,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( ~ ( empty @ ( succ @ A ) )
            & ( epsilon_transitive @ ( succ @ A ) )
            & ( epsilon_connected @ ( succ @ A ) )
            & ( ordinal @ ( succ @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[60]) ).

thf(371,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[64]) ).

thf(372,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[70]) ).

thf(373,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( succ @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[71]) ).

thf(374,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( relation @ ( relation_rng_restriction @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[84]) ).

thf(375,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[86]) ).

thf(376,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(377,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( relation @ A )
            & ( relation @ B ) )
         => ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[92]) ).

thf(378,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[96]) ).

thf(379,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ A )
         => ( relation @ ( relation_restriction @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[103]) ).

thf(380,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( proper_subset @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( A != B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[123]) ).

thf(381,plain,
    ( ( ! [A: $i] :
          ( ( being_limit_ordinal @ A )
        <=> ( A
            = ( union @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[134]) ).

thf(382,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)],[140]) ).

thf(383,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( well_ordering @ A )
          <=> ( ( reflexive @ A )
              & ( transitive @ A )
              & ( antisymmetric @ A )
              & ( connected @ A )
              & ( well_founded_relation @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[141]) ).

thf(384,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)],[142]) ).

thf(385,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)],[148]) ).

thf(386,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(387,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)],[151]) ).

thf(388,plain,
    ( ( ! [A: $i] :
          ( ( epsilon_connected @ A )
        <=> ! [B: $i,C: $i] :
              ~ ( ( in @ B @ A )
                & ( in @ C @ A )
                & ~ ( in @ B @ C )
                & ( B != C )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[152]) ).

thf(389,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)],[154]) ).

thf(390,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)],[156]) ).

thf(391,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)],[158]) ).

thf(392,plain,
    ( ( ! [A: $i] :
          ( ( epsilon_transitive @ A )
        <=> ! [B: $i] :
              ( ( in @ B @ A )
             => ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[159]) ).

thf(393,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(394,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[162]) ).

thf(395,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(396,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)],[169]) ).

thf(397,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( D
            = ( unordered_triple @ A @ B @ C ) )
        <=> ! [E: $i] :
              ( ( in @ E @ D )
            <=> ~ ( ( E != A )
                  & ( E != B )
                  & ( E != C ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[172]) ).

thf(398,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[182]) ).

thf(399,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( epsilon_transitive @ A )
            & ( epsilon_connected @ A )
            & ( ordinal @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[188]) ).

thf(400,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[192]) ).

thf(401,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[196]) ).

thf(402,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[201]) ).

thf(403,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ C @ B ) )
         => ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[204]) ).

thf(404,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[207]) ).

thf(405,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[210]) ).

thf(406,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[216]) ).

thf(407,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( disjoint @ B @ C ) )
         => ( disjoint @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[223]) ).

thf(408,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( subset @ A @ B )
            & ( proper_subset @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[225]) ).

thf(409,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( ( being_limit_ordinal @ A )
          <=> ! [B: $i] :
                ( ( ordinal @ B )
               => ( ( in @ B @ A )
                 => ( in @ ( succ @ B ) @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[252]) ).

thf(410,plain,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[254]) ).

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

thf(412,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( in @ B @ C )
            & ( in @ C @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[257]) ).

thf(413,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( ( well_ordering @ B )
              & ( subset @ A @ ( relation_field @ B ) ) )
           => ( ( relation_field @ ( relation_restriction @ B @ A ) )
              = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[260]) ).

thf(414,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)],[261]) ).

thf(415,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[262]) ).

thf(416,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[265]) ).

thf(417,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[269]) ).

thf(418,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ! [B: $i] :
              ( ( ordinal @ B )
             => ( ( in @ A @ B )
              <=> ( ordinal_subset @ ( succ @ A ) @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[270]) ).

thf(419,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordinal @ B )
         => ~ ( ( subset @ A @ B )
              & ( A != empty_set )
              & ! [C: $i] :
                  ( ( ordinal @ C )
                 => ~ ( ( in @ C @ A )
                      & ! [D: $i] :
                          ( ( ordinal @ D )
                         => ( ( in @ D @ A )
                           => ( ordinal_subset @ C @ D ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[272]) ).

thf(420,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( well_founded_relation @ B )
           => ( well_founded_relation @ ( relation_restriction @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[273]) ).

thf(421,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[276]) ).

thf(422,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[278]) ).

thf(423,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[279]) ).

thf(424,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( antisymmetric @ B )
           => ( antisymmetric @ ( relation_restriction @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[280]) ).

thf(425,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( transitive @ B )
           => ( transitive @ ( relation_restriction @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[282]) ).

thf(426,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( connected @ B )
           => ( connected @ ( relation_restriction @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[284]) ).

thf(427,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( reflexive @ B )
           => ( reflexive @ ( relation_restriction @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[288]) ).

thf(428,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( subset @ ( fiber @ ( relation_restriction @ C @ A ) @ B ) @ ( fiber @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[291]) ).

thf(429,plain,
    ( ( ! [A: $i] :
          ( ( epsilon_transitive @ A )
         => ! [B: $i] :
              ( ( ordinal @ B )
             => ( ( proper_subset @ A @ B )
               => ( in @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[293]) ).

thf(430,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ ( relation_field @ B ) )
            & ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[295]) ).

thf(431,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ B @ C ) )
         => ( subset @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[298]) ).

thf(432,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ A @ C ) )
         => ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[299]) ).

thf(433,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
           => ( ( in @ A @ ( relation_field @ C ) )
              & ( in @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[300]) ).

thf(434,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[302]) ).

thf(435,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( subset @ A @ B )
           => ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[304]) ).

thf(436,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_restriction @ C @ B ) )
          <=> ( ( in @ A @ C )
              & ( in @ A @ ( cartesian_product2 @ B @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[306]) ).

thf(437,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( relation_of2_as_subset @ D @ C @ A )
         => ( ( subset @ A @ B )
           => ( relation_of2_as_subset @ D @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[307]) ).

thf(438,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[321]) ).

thf(439,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ C @ D ) )
         => ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[323]) ).

thf(440,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
            & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[325]) ).

thf(441,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[327]) ).

thf(442,plain,
    ( ( ! [A: $i] : ( in @ A @ ( succ @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[331]) ).

thf(443,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[338]) ).

thf(444,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( antisymmetric @ A )
          <=> ! [B: $i,C: $i] :
                ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                  & ( in @ ( ordered_pair @ C @ B ) @ A ) )
               => ( B = C ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[342]) ).

thf(445,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ ( singleton @ A ) @ B )
        <=> ( in @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[345]) ).

thf(446,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( transitive @ A )
          <=> ! [B: $i,C: $i,D: $i] :
                ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                  & ( in @ ( ordered_pair @ C @ D ) @ A ) )
               => ( in @ ( ordered_pair @ B @ D ) @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[346]) ).

thf(447,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordinal @ B )
         => ( ! [C: $i,D: $i,E: $i] :
                ( ( ( C = D )
                  & ? [F: $i] :
                      ( ( ordinal @ F )
                      & ( D = F )
                      & ( in @ F @ A ) )
                  & ( C = E )
                  & ? [G: $i] :
                      ( ( ordinal @ G )
                      & ( E = G )
                      & ( in @ G @ A ) ) )
               => ( D = E ) )
           => ? [C: $i] :
              ! [D: $i] :
                ( ( in @ D @ C )
              <=> ? [E: $i] :
                    ( ( in @ E @ ( succ @ B ) )
                    & ( E = D )
                    & ? [H: $i] :
                        ( ( ordinal @ H )
                        & ( D = H )
                        & ( in @ H @ A ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(448,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ordinal @ A )
            & ( ordinal @ B ) )
         => ( ordinal_subset @ A @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(449,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ordinal @ A )
            & ( ordinal @ B ) )
         => ( ( ordinal_subset @ A @ B )
          <=> ( subset @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(450,plain,
    ( ( ? [A: $i] :
          ( ( epsilon_transitive @ A )
          & ( epsilon_connected @ A )
          & ( ordinal @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(451,plain,
    ( ( ! [A: $i] : ( relation @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(452,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
        <=> ( ( epsilon_transitive @ A )
            & ( epsilon_connected @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(453,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ordinal @ A )
            & ( ordinal @ B ) )
         => ( ( ordinal_subset @ A @ B )
            | ( ordinal_subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[184]) ).

thf(454,plain,
    ( ( ! [A: $i] :
          ( ( ( epsilon_transitive @ A )
            & ( epsilon_connected @ A ) )
         => ( ordinal @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[189]) ).

thf(455,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( ( epsilon_transitive @ A )
            & ( epsilon_connected @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[193]) ).

thf(456,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( well_founded_relation @ ( inclusion_relation @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[217]) ).

thf(457,plain,
    ( ( ! [A: $i] : ( antisymmetric @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[227]) ).

thf(458,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( connected @ ( inclusion_relation @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[238]) ).

thf(459,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ( ~ ( ~ ( being_limit_ordinal @ A )
                & ! [B: $i] :
                    ( ( ordinal @ B )
                   => ( A
                     != ( succ @ B ) ) ) )
            & ~ ( ? [B: $i] :
                    ( ( ordinal @ B )
                    & ( A
                      = ( succ @ B ) ) )
                & ( being_limit_ordinal @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[251]) ).

thf(460,plain,
    ( ( ! [A: $i] : ( transitive @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[256]) ).

thf(461,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( relation @ B )
         => ( ( well_ordering @ B )
           => ( well_ordering @ ( relation_restriction @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[271]) ).

thf(462,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i] :
              ( ( in @ B @ A )
             => ( ( ordinal @ B )
                & ( subset @ B @ A ) ) )
         => ( ordinal @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[274]) ).

thf(463,plain,
    ( ( ! [A: $i] : ( reflexive @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[277]) ).

thf(464,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ! [B: $i] :
              ( ( ordinal @ B )
             => ~ ( ~ ( in @ A @ B )
                  & ( A != B )
                  & ~ ( in @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[283]) ).

thf(465,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordinal @ B )
         => ( ( in @ A @ B )
           => ( ordinal @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[286]) ).

thf(466,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordinal @ B )
         => ? [C: $i] :
            ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ ( succ @ B ) )
                & ? [E: $i] :
                    ( ( ordinal @ E )
                    & ( D = E )
                    & ( in @ E @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[333]) ).

thf(467,plain,
    ( ( ! [A: $i] :
          ( ? [B: $i] :
              ( ( ordinal @ B )
              & ( in @ B @ A ) )
         => ? [B: $i] :
              ( ( ordinal @ B )
              & ( in @ B @ A )
              & ! [C: $i] :
                  ( ( ordinal @ C )
                 => ( ( in @ C @ A )
                   => ( ordinal_subset @ B @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[334]) ).

thf(468,plain,
    ( ( ( ordinal @ sK1_A )
     => ( well_ordering @ ( inclusion_relation @ sK1_A ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[355]) ).

thf(469,plain,
    ( ( ordinal @ sK1_A )
    = $true ),
    inference(standard_cnf,[status(thm)],[468]) ).

thf(470,plain,
    ( ( well_ordering @ ( inclusion_relation @ sK1_A ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[468]) ).

thf(471,plain,
    ( ( ~ ( well_ordering @ ( inclusion_relation @ sK1_A ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[470]) ).

thf(472,plain,
    ( ( ! [A: $i] :
          ( ! [SY268: $i] :
              ( ~ ( subset @ SY268 @ ( sK2_B @ A ) )
              | ( are_equipotent @ SY268 @ ( sK2_B @ A ) )
              | ( in @ SY268 @ ( sK2_B @ A ) ) )
          & ! [SY269: $i] :
              ( ( ! [SY274: $i] :
                    ( ~ ( subset @ SY274 @ SY269 )
                    | ( in @ SY274 @ ( sK3_SY270 @ SY269 @ A ) ) )
                & ( in @ ( sK3_SY270 @ SY269 @ A ) @ ( sK2_B @ A ) ) )
              | ~ ( in @ SY269 @ ( sK2_B @ A ) ) )
          & ! [SY272: $i,SY273: $i] :
              ( ~ ( in @ SY272 @ ( sK2_B @ A ) )
              | ~ ( subset @ SY273 @ SY272 )
              | ( in @ SY273 @ ( sK2_B @ A ) ) )
          & ( in @ A @ ( sK2_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[356]) ).

thf(473,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ! [SY275: $i] :
                ( ~ ( in @ SY275 @ B )
                | ~ ( in @ SY275 @ ( sK4_C @ B @ A ) ) )
            & ( in @ ( sK4_C @ B @ A ) @ B ) )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[357]) ).

thf(474,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[358]) ).

thf(475,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK5_C @ B @ A ) @ A )
              | ~ ( in @ ( sK5_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK5_C @ B @ A ) @ A )
              | ( in @ ( sK5_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[359]) ).

thf(476,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[360]) ).

thf(477,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[361]) ).

thf(478,plain,
    ( ( ( relation @ sK6_A )
      & ( relation_empty_yielding @ sK6_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[362]) ).

thf(479,plain,
    ( ( ~ ( empty @ sK7_A )
      & ( epsilon_transitive @ sK7_A )
      & ( epsilon_connected @ sK7_A )
      & ( ordinal @ sK7_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[363]) ).

thf(480,plain,
    ( ( ~ ( empty @ sK8_A )
      & ( relation @ sK8_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[364]) ).

thf(481,plain,
    ( ( ( empty @ sK9_A )
      & ( relation @ sK9_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[365]) ).

thf(482,plain,
    ( ( ( function @ sK10_A )
      & ( relation @ sK10_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[366]) ).

thf(483,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[367]) ).

thf(484,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ ( union @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ ( union @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ordinal @ ( union @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[368]) ).

thf(485,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[369]) ).

thf(486,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( empty @ ( succ @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ ( succ @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ ( succ @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ordinal @ ( succ @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[370]) ).

thf(487,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[371]) ).

thf(488,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[372]) ).

thf(489,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( relation @ ( relation_rng_restriction @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[374]) ).

thf(490,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[375]) ).

thf(491,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[377]) ).

thf(492,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[378]) ).

thf(493,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_restriction @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[379]) ).

thf(494,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( subset @ A @ B )
          | ( proper_subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( A != B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[380]) ).

thf(495,plain,
    ( ( ! [A: $i] :
          ( ( A
           != ( union @ A ) )
          | ( being_limit_ordinal @ A ) )
      & ! [A: $i] :
          ( ~ ( being_limit_ordinal @ A )
          | ( A
            = ( union @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[381]) ).

thf(496,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK11_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK11_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK11_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK11_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK11_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK11_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK11_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_difference @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_difference @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ~ ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[382]) ).

thf(497,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( reflexive @ A )
          | ~ ( transitive @ A )
          | ~ ( antisymmetric @ A )
          | ~ ( connected @ A )
          | ~ ( well_founded_relation @ A )
          | ( well_ordering @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( reflexive @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( antisymmetric @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( connected @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( well_founded_relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[383]) ).

thf(498,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY276: $i] :
                  ( ~ ( in @ ( sK13_C @ B @ A ) @ SY276 )
                  | ~ ( in @ SY276 @ A ) )
              | ~ ( in @ ( sK13_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK13_C @ B @ A ) @ ( sK14_SY277 @ B @ A ) )
                & ( in @ ( sK14_SY277 @ B @ A ) @ A ) )
              | ( in @ ( sK13_C @ B @ A ) @ B ) ) )
          | ( B
            = ( union @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( union @ A ) )
          | ( ! [C: $i] :
                ( ! [D: $i] :
                    ( ~ ( in @ C @ D )
                    | ~ ( in @ D @ A ) )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( ( in @ C @ ( sK12_D @ C @ B @ A ) )
                  & ( in @ ( sK12_D @ C @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[384]) ).

thf(499,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_intersection2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_intersection2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ~ ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[385]) ).

thf(500,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK16_C @ B @ A ) @ A )
            & ~ ( in @ ( sK16_C @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[386]) ).

thf(501,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( in @ ( ordered_pair @ ( sK17_C @ B @ A ) @ ( sK18_SY278 @ B @ A ) ) @ A )
                  & ~ ( in @ ( ordered_pair @ ( sK17_C @ B @ A ) @ ( sK18_SY278 @ B @ A ) ) @ B ) )
                | ( subset @ A @ B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ! [C: $i,D: $i] :
                    ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                    | ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[387]) ).

thf(502,plain,
    ( ( ! [A: $i] :
          ( ( ( ( sK19_B @ A )
             != ( sK20_SY279 @ A ) )
            & ( in @ ( sK19_B @ A ) @ A )
            & ( in @ ( sK20_SY279 @ A ) @ A )
            & ~ ( in @ ( sK19_B @ A ) @ ( sK20_SY279 @ A ) )
            & ~ ( in @ ( sK20_SY279 @ A ) @ ( sK19_B @ A ) ) )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( epsilon_connected @ A )
          | ! [B: $i,C: $i] :
              ( ( B = C )
              | ~ ( in @ B @ A )
              | ~ ( in @ C @ A )
              | ( in @ B @ C )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[388]) ).

thf(503,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK21_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK21_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK21_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK21_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK21_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK21_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK21_D @ C @ B @ A ) @ B ) ) )
              | ( C
                = ( set_union2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_union2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A )
                    | ( in @ D @ B ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[389]) ).

thf(504,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK22_D @ C @ B @ A ) @ C )
                  | ( ( sK22_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK22_D @ C @ B @ A ) @ C )
                  | ( ( sK22_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK22_D @ C @ B @ A ) @ C )
                  | ( ( sK22_D @ C @ B @ A )
                    = A )
                  | ( ( sK22_D @ C @ B @ A )
                    = B ) ) )
              | ( C
                = ( unordered_pair @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( unordered_pair @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( D = A )
                    | ( D = B ) )
                & ! [D: $i] :
                    ( ( D != A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ( D != B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[390]) ).

thf(505,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ B ) ) )
                | ( A = B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ( A != B )
                | ( ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ ( ordered_pair @ C @ D ) @ B ) )
                  & ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                      | ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[391]) ).

thf(506,plain,
    ( ( ! [A: $i] :
          ( ( ( in @ ( sK25_B @ A ) @ A )
            & ~ ( subset @ ( sK25_B @ A ) @ A ) )
          | ( epsilon_transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( epsilon_transitive @ A )
          | ! [B: $i] :
              ( ~ ( in @ B @ A )
              | ( subset @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[392]) ).

thf(507,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK26_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK26_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK26_C @ B @ A ) @ B )
              | ( subset @ ( sK26_C @ B @ A ) @ A ) ) )
          | ( B
            = ( powerset @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( powerset @ A ) )
          | ( ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( subset @ C @ A ) )
            & ! [C: $i] :
                ( ~ ( subset @ C @ A )
                | ( in @ C @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[393]) ).

thf(508,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK27_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[394]) ).

thf(509,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK28_C @ B @ A )
               != A )
              | ~ ( in @ ( sK28_C @ B @ A ) @ B ) )
            & ( ( ( sK28_C @ B @ A )
                = A )
              | ( in @ ( sK28_C @ B @ A ) @ B ) ) )
          | ( B
            = ( singleton @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( singleton @ A ) )
          | ( ! [C: $i] :
                ( ( C != A )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( C = A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[395]) ).

thf(510,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY282: $i,SY283: $i] :
                ( ( sK31_B @ A )
               != ( ordered_pair @ SY282 @ SY283 ) )
            & ( in @ ( sK31_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK29_C @ B @ A ) @ ( sK30_SY281 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[396]) ).

thf(511,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ( ( ~ ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                   != C ) )
                & ( ~ ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                    = C )
                  | ( ( sK32_E @ D @ C @ B @ A )
                    = A )
                  | ( ( sK32_E @ D @ C @ B @ A )
                    = B ) ) )
              | ( D
                = ( unordered_triple @ A @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ( D
               != ( unordered_triple @ A @ B @ C ) )
              | ( ! [E: $i] :
                    ( ~ ( in @ E @ D )
                    | ( E = C )
                    | ( E = A )
                    | ( E = B ) )
                & ! [E: $i] :
                    ( ( E != C )
                    | ( in @ E @ D ) )
                & ! [E: $i] :
                    ( ( E != A )
                    | ( in @ E @ D ) )
                & ! [E: $i] :
                    ( ( E != B )
                    | ( in @ E @ D ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[397]) ).

thf(512,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( A = B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[398]) ).

thf(513,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( epsilon_transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[399]) ).

thf(514,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[400]) ).

thf(515,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[401]) ).

thf(516,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[402]) ).

thf(517,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ B )
          | ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[403]) ).

thf(518,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[404]) ).

thf(519,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[406]) ).

thf(520,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[407]) ).

thf(521,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[408]) ).

thf(522,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ( ordinal @ ( sK33_B @ A ) )
            & ( in @ ( sK33_B @ A ) @ A )
            & ~ ( in @ ( succ @ ( sK33_B @ A ) ) @ A ) )
          | ( being_limit_ordinal @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( being_limit_ordinal @ A )
          | ! [B: $i] :
              ( ~ ( ordinal @ B )
              | ~ ( in @ B @ A )
              | ( in @ ( succ @ B ) @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[409]) ).

thf(523,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[410]) ).

thf(524,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK34_C @ B @ A ) @ A )
            & ( in @ ( sK34_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[411]) ).

thf(525,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ C )
          | ~ ( in @ C @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[412]) ).

thf(526,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( subset @ A @ ( relation_field @ B ) )
          | ~ ( well_ordering @ B )
          | ( ( relation_field @ ( relation_restriction @ B @ A ) )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[413]) ).

thf(527,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ C )
              | ( subset @ ( unordered_pair @ A @ B ) @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ A @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[414]) ).

thf(528,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[415]) ).

thf(529,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[417]) ).

thf(530,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ! [B: $i] :
                ( ~ ( ordinal @ B )
                | ~ ( in @ A @ B )
                | ( ordinal_subset @ ( succ @ A ) @ B ) )
            & ! [B: $i] :
                ( ~ ( ordinal @ B )
                | ~ ( ordinal_subset @ ( succ @ A ) @ B )
                | ( in @ A @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[418]) ).

thf(531,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ( ( ordinal @ ( sK35_C @ B @ A ) )
            & ! [SY284: $i] :
                ( ~ ( ordinal @ SY284 )
                | ~ ( in @ SY284 @ A )
                | ( ordinal_subset @ ( sK35_C @ B @ A ) @ SY284 ) )
            & ( in @ ( sK35_C @ B @ A ) @ A ) )
          | ( A = empty_set )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[419]) ).

thf(532,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( well_founded_relation @ B )
          | ( well_founded_relation @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[420]) ).

thf(533,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[422]) ).

thf(534,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[423]) ).

thf(535,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( antisymmetric @ B )
          | ( antisymmetric @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[424]) ).

thf(536,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( transitive @ B )
          | ( transitive @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[425]) ).

thf(537,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( connected @ B )
          | ( connected @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[426]) ).

thf(538,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( reflexive @ B )
          | ( reflexive @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[427]) ).

thf(539,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( relation @ C )
          | ( subset @ ( fiber @ ( relation_restriction @ C @ A ) @ B ) @ ( fiber @ C @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[428]) ).

thf(540,plain,
    ( ( ! [A: $i] :
          ( ~ ( epsilon_transitive @ A )
          | ! [B: $i] :
              ( ~ ( ordinal @ B )
              | ~ ( proper_subset @ A @ B )
              | ( in @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[429]) ).

thf(541,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ ( relation_field @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[430]) ).

thf(542,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[431]) ).

thf(543,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ A @ C )
          | ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[432]) ).

thf(544,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
              | ( in @ A @ ( relation_field @ C ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
              | ( in @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[433]) ).

thf(545,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( relation @ C )
          | ~ ( subset @ A @ B )
          | ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[435]) ).

thf(546,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ C )
              | ~ ( in @ A @ ( cartesian_product2 @ B @ B ) )
              | ( in @ A @ ( relation_restriction @ C @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_restriction @ C @ B ) )
              | ( in @ A @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_restriction @ C @ B ) )
              | ( in @ A @ ( cartesian_product2 @ B @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[436]) ).

thf(547,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ~ ( relation_of2_as_subset @ D @ C @ A )
          | ~ ( subset @ A @ B )
          | ( relation_of2_as_subset @ D @ C @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[437]) ).

thf(548,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[438]) ).

thf(549,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ D )
          | ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[439]) ).

thf(550,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) ) )
          & ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[440]) ).

thf(551,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[441]) ).

thf(552,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[443]) ).

thf(553,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( in @ ( ordered_pair @ ( sK36_B @ A ) @ ( sK37_SY285 @ A ) ) @ A )
            & ( in @ ( ordered_pair @ ( sK37_SY285 @ A ) @ ( sK36_B @ A ) ) @ A )
            & ( ( sK36_B @ A )
             != ( sK37_SY285 @ A ) ) )
          | ( antisymmetric @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( antisymmetric @ A )
          | ! [B: $i,C: $i] :
              ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              | ~ ( in @ ( ordered_pair @ C @ B ) @ A )
              | ( B = C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[444]) ).

thf(554,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[445]) ).

thf(555,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( in @ ( ordered_pair @ ( sK38_B @ A ) @ ( sK39_SY286 @ A ) ) @ A )
            & ( in @ ( ordered_pair @ ( sK39_SY286 @ A ) @ ( sK40_SY288 @ A ) ) @ A )
            & ~ ( in @ ( ordered_pair @ ( sK38_B @ A ) @ ( sK40_SY288 @ A ) ) @ A ) )
          | ( transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( transitive @ A )
          | ! [B: $i,C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              | ~ ( in @ ( ordered_pair @ C @ D ) @ A )
              | ( in @ ( ordered_pair @ B @ D ) @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[446]) ).

thf(556,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ( ( ( sK44_C @ B @ A )
              = ( sK45_SY295 @ B @ A ) )
            & ( ( sK45_SY295 @ B @ A )
              = ( sK48_SY300 @ B @ A ) )
            & ( ordinal @ ( sK48_SY300 @ B @ A ) )
            & ( in @ ( sK48_SY300 @ B @ A ) @ A )
            & ( ( sK44_C @ B @ A )
              = ( sK46_SY299 @ B @ A ) )
            & ( ( sK46_SY299 @ B @ A )
              = ( sK47_SY303 @ B @ A ) )
            & ( ordinal @ ( sK47_SY303 @ B @ A ) )
            & ( in @ ( sK47_SY303 @ B @ A ) @ A )
            & ( ( sK45_SY295 @ B @ A )
             != ( sK46_SY299 @ B @ A ) ) )
          | ( ! [SY289: $i] :
                ( ! [E: $i] :
                    ( ( E != SY289 )
                    | ~ ( in @ E @ ( succ @ B ) ) )
                | ! [H: $i] :
                    ( ( SY289 != H )
                    | ~ ( ordinal @ H )
                    | ~ ( in @ H @ A ) )
                | ( in @ SY289 @ ( sK41_C @ B @ A ) ) )
            & ! [SY292: $i] :
                ( ~ ( in @ SY292 @ ( sK41_C @ B @ A ) )
                | ( ( ( sK43_E @ SY292 @ B @ A )
                    = SY292 )
                  & ( in @ ( sK43_E @ SY292 @ B @ A ) @ ( succ @ B ) )
                  & ( SY292
                    = ( sK42_H @ SY292 @ B @ A ) )
                  & ( ordinal @ ( sK42_H @ SY292 @ B @ A ) )
                  & ( in @ ( sK42_H @ SY292 @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[447]) ).

thf(557,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ! [B: $i] :
              ~ ( ordinal @ B )
          | ( ordinal_subset @ A @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[448]) ).

thf(558,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( ordinal @ B )
          | ~ ( ordinal_subset @ A @ B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( ordinal @ B )
          | ~ ( subset @ A @ B )
          | ( ordinal_subset @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[449]) ).

thf(559,plain,
    ( ( ( epsilon_connected @ sK49_A )
      & ( epsilon_transitive @ sK49_A )
      & ( ordinal @ sK49_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[450]) ).

thf(560,plain,
    ( ( ! [A: $i] :
          ( ~ ( epsilon_connected @ A )
          | ~ ( epsilon_transitive @ A )
          | ( ordinal @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[452]) ).

thf(561,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( ordinal @ B )
          | ( ordinal_subset @ A @ B )
          | ( ordinal_subset @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[453]) ).

thf(562,plain,
    ( ( ! [A: $i] :
          ( ~ ( epsilon_connected @ A )
          | ~ ( epsilon_transitive @ A )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[454]) ).

thf(563,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[455]) ).

thf(564,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( well_founded_relation @ ( inclusion_relation @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[456]) ).

thf(565,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( connected @ ( inclusion_relation @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[458]) ).

thf(566,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( being_limit_ordinal @ A )
          | ( ( ordinal @ ( sK50_B @ A ) )
            & ( A
              = ( succ @ ( sK50_B @ A ) ) ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ! [B: $i] :
              ( ( A
               != ( succ @ B ) )
              | ~ ( ordinal @ B ) )
          | ~ ( being_limit_ordinal @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[459]) ).

thf(567,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( well_ordering @ B )
          | ( well_ordering @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[461]) ).

thf(568,plain,
    ( ( ! [A: $i] :
          ( ( ( in @ ( sK51_B @ A ) @ A )
            & ( ~ ( ordinal @ ( sK51_B @ A ) )
              | ~ ( subset @ ( sK51_B @ A ) @ A ) ) )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[462]) ).

thf(569,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ! [B: $i] :
              ( ~ ( ordinal @ B )
              | ( in @ A @ B )
              | ( A = B )
              | ( in @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[464]) ).

thf(570,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ~ ( in @ A @ B )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[465]) ).

thf(571,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ( ! [SY304: $i] :
                ( ! [E: $i] :
                    ( ( SY304 != E )
                    | ~ ( ordinal @ E )
                    | ~ ( in @ E @ A ) )
                | ~ ( in @ SY304 @ ( succ @ B ) )
                | ( in @ SY304 @ ( sK52_C @ B @ A ) ) )
            & ! [SY306: $i] :
                ( ~ ( in @ SY306 @ ( sK52_C @ B @ A ) )
                | ( ( SY306
                    = ( sK53_E @ SY306 @ B @ A ) )
                  & ( ordinal @ ( sK53_E @ SY306 @ B @ A ) )
                  & ( in @ ( sK53_E @ SY306 @ B @ A ) @ A ) ) )
            & ! [SY308: $i] :
                ( ~ ( in @ SY308 @ ( sK52_C @ B @ A ) )
                | ( in @ SY308 @ ( succ @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[466]) ).

thf(572,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i] :
              ( ~ ( in @ B @ A )
              | ~ ( ordinal @ B ) )
          | ( ! [SY309: $i] :
                ( ~ ( ordinal @ SY309 )
                | ~ ( in @ SY309 @ A )
                | ( ordinal_subset @ ( sK54_B @ A ) @ SY309 ) )
            & ( in @ ( sK54_B @ A ) @ A )
            & ( ordinal @ ( sK54_B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[467]) ).

thf(573,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i] :
              ( ~ ( in @ B @ A )
              | ~ ( ordinal @ B ) )
          | ( ! [SY309: $i] :
                ( ~ ( ordinal @ SY309 )
                | ~ ( in @ SY309 @ A )
                | ( ordinal_subset @ ( sK54_B @ A ) @ SY309 ) )
            & ( in @ ( sK54_B @ A ) @ A )
            & ( ordinal @ ( sK54_B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[572]) ).

thf(574,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ( ! [SY304: $i] :
                ( ! [E: $i] :
                    ( ( SY304 != E )
                    | ~ ( ordinal @ E )
                    | ~ ( in @ E @ A ) )
                | ~ ( in @ SY304 @ ( succ @ B ) )
                | ( in @ SY304 @ ( sK52_C @ B @ A ) ) )
            & ! [SY306: $i] :
                ( ~ ( in @ SY306 @ ( sK52_C @ B @ A ) )
                | ( ( SY306
                    = ( sK53_E @ SY306 @ B @ A ) )
                  & ( ordinal @ ( sK53_E @ SY306 @ B @ A ) )
                  & ( in @ ( sK53_E @ SY306 @ B @ A ) @ A ) ) )
            & ! [SY308: $i] :
                ( ~ ( in @ SY308 @ ( sK52_C @ B @ A ) )
                | ( in @ SY308 @ ( succ @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[571]) ).

thf(575,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ~ ( in @ A @ B )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[570]) ).

thf(576,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ! [B: $i] :
              ( ~ ( ordinal @ B )
              | ( in @ A @ B )
              | ( A = B )
              | ( in @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[569]) ).

thf(577,plain,
    ( ( ! [A: $i] : ( reflexive @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[463]) ).

thf(578,plain,
    ( ( ! [A: $i] :
          ( ( ( in @ ( sK51_B @ A ) @ A )
            & ( ~ ( ordinal @ ( sK51_B @ A ) )
              | ~ ( subset @ ( sK51_B @ A ) @ A ) ) )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[568]) ).

thf(579,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( well_ordering @ B )
          | ( well_ordering @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[567]) ).

thf(580,plain,
    ( ( ! [A: $i] : ( transitive @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[460]) ).

thf(581,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( being_limit_ordinal @ A )
          | ( ( ordinal @ ( sK50_B @ A ) )
            & ( A
              = ( succ @ ( sK50_B @ A ) ) ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ! [B: $i] :
              ( ( A
               != ( succ @ B ) )
              | ~ ( ordinal @ B ) )
          | ~ ( being_limit_ordinal @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[566]) ).

thf(582,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( connected @ ( inclusion_relation @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[565]) ).

thf(583,plain,
    ( ( ! [A: $i] : ( antisymmetric @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[457]) ).

thf(584,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( well_founded_relation @ ( inclusion_relation @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[564]) ).

thf(585,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[563]) ).

thf(586,plain,
    ( ( ! [A: $i] :
          ( ~ ( epsilon_connected @ A )
          | ~ ( epsilon_transitive @ A )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[562]) ).

thf(587,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( ordinal @ B )
          | ( ordinal_subset @ A @ B )
          | ( ordinal_subset @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[561]) ).

thf(588,plain,
    ( ( ! [A: $i] :
          ( ~ ( epsilon_connected @ A )
          | ~ ( epsilon_transitive @ A )
          | ( ordinal @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[560]) ).

thf(589,plain,
    ( ( ! [A: $i] : ( relation @ ( inclusion_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[451]) ).

thf(590,plain,
    ( ( ( epsilon_connected @ sK49_A )
      & ( epsilon_transitive @ sK49_A )
      & ( ordinal @ sK49_A ) )
    = $true ),
    inference(copy,[status(thm)],[559]) ).

thf(591,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( ordinal @ B )
          | ~ ( ordinal_subset @ A @ B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( ordinal @ B )
          | ~ ( subset @ A @ B )
          | ( ordinal_subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[558]) ).

thf(592,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ! [B: $i] :
              ~ ( ordinal @ B )
          | ( ordinal_subset @ A @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[557]) ).

thf(593,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ( ( ( sK44_C @ B @ A )
              = ( sK45_SY295 @ B @ A ) )
            & ( ( sK45_SY295 @ B @ A )
              = ( sK48_SY300 @ B @ A ) )
            & ( ordinal @ ( sK48_SY300 @ B @ A ) )
            & ( in @ ( sK48_SY300 @ B @ A ) @ A )
            & ( ( sK44_C @ B @ A )
              = ( sK46_SY299 @ B @ A ) )
            & ( ( sK46_SY299 @ B @ A )
              = ( sK47_SY303 @ B @ A ) )
            & ( ordinal @ ( sK47_SY303 @ B @ A ) )
            & ( in @ ( sK47_SY303 @ B @ A ) @ A )
            & ( ( sK45_SY295 @ B @ A )
             != ( sK46_SY299 @ B @ A ) ) )
          | ( ! [SY289: $i] :
                ( ! [E: $i] :
                    ( ( E != SY289 )
                    | ~ ( in @ E @ ( succ @ B ) ) )
                | ! [H: $i] :
                    ( ( SY289 != H )
                    | ~ ( ordinal @ H )
                    | ~ ( in @ H @ A ) )
                | ( in @ SY289 @ ( sK41_C @ B @ A ) ) )
            & ! [SY292: $i] :
                ( ~ ( in @ SY292 @ ( sK41_C @ B @ A ) )
                | ( ( ( sK43_E @ SY292 @ B @ A )
                    = SY292 )
                  & ( in @ ( sK43_E @ SY292 @ B @ A ) @ ( succ @ B ) )
                  & ( SY292
                    = ( sK42_H @ SY292 @ B @ A ) )
                  & ( ordinal @ ( sK42_H @ SY292 @ B @ A ) )
                  & ( in @ ( sK42_H @ SY292 @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[556]) ).

thf(594,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( in @ ( ordered_pair @ ( sK38_B @ A ) @ ( sK39_SY286 @ A ) ) @ A )
            & ( in @ ( ordered_pair @ ( sK39_SY286 @ A ) @ ( sK40_SY288 @ A ) ) @ A )
            & ~ ( in @ ( ordered_pair @ ( sK38_B @ A ) @ ( sK40_SY288 @ A ) ) @ A ) )
          | ( transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( transitive @ A )
          | ! [B: $i,C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              | ~ ( in @ ( ordered_pair @ C @ D ) @ A )
              | ( in @ ( ordered_pair @ B @ D ) @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[555]) ).

thf(595,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[554]) ).

thf(596,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( in @ ( ordered_pair @ ( sK36_B @ A ) @ ( sK37_SY285 @ A ) ) @ A )
            & ( in @ ( ordered_pair @ ( sK37_SY285 @ A ) @ ( sK36_B @ A ) ) @ A )
            & ( ( sK36_B @ A )
             != ( sK37_SY285 @ A ) ) )
          | ( antisymmetric @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( antisymmetric @ A )
          | ! [B: $i,C: $i] :
              ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              | ~ ( in @ ( ordered_pair @ C @ B ) @ A )
              | ( B = C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[553]) ).

thf(597,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[552]) ).

thf(598,plain,
    ( ( ! [A: $i] : ( in @ A @ ( succ @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[442]) ).

thf(599,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[551]) ).

thf(600,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) ) )
          & ! [B: $i] :
              ( ~ ( subset @ A @ B )
              | ! [C: $i] : ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[550]) ).

thf(601,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ D )
          | ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[549]) ).

thf(602,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_union2 @ A @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[548]) ).

thf(603,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ~ ( relation_of2_as_subset @ D @ C @ A )
          | ~ ( subset @ A @ B )
          | ( relation_of2_as_subset @ D @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[547]) ).

thf(604,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ C )
              | ~ ( in @ A @ ( cartesian_product2 @ B @ B ) )
              | ( in @ A @ ( relation_restriction @ C @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_restriction @ C @ B ) )
              | ( in @ A @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_restriction @ C @ B ) )
              | ( in @ A @ ( cartesian_product2 @ B @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[546]) ).

thf(605,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( relation @ C )
          | ~ ( subset @ A @ B )
          | ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[545]) ).

thf(606,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[434]) ).

thf(607,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
              | ( in @ A @ ( relation_field @ C ) ) )
          & ! [B: $i,C: $i] :
              ( ~ ( relation @ C )
              | ~ ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
              | ( in @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[544]) ).

thf(608,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ A @ C )
          | ( subset @ A @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[543]) ).

thf(609,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[542]) ).

thf(610,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ ( relation_field @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[541]) ).

thf(611,plain,
    ( ( ! [A: $i] :
          ( ~ ( epsilon_transitive @ A )
          | ! [B: $i] :
              ( ~ ( ordinal @ B )
              | ~ ( proper_subset @ A @ B )
              | ( in @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[540]) ).

thf(612,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( relation @ C )
          | ( subset @ ( fiber @ ( relation_restriction @ C @ A ) @ B ) @ ( fiber @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[539]) ).

thf(613,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( reflexive @ B )
          | ( reflexive @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[538]) ).

thf(614,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( connected @ B )
          | ( connected @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[537]) ).

thf(615,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( transitive @ B )
          | ( transitive @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[536]) ).

thf(616,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( antisymmetric @ B )
          | ( antisymmetric @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[535]) ).

thf(617,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[534]) ).

thf(618,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[533]) ).

thf(619,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(copy,[status(thm)],[421]) ).

thf(620,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( well_founded_relation @ B )
          | ( well_founded_relation @ ( relation_restriction @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[532]) ).

thf(621,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ordinal @ B )
          | ( ( ordinal @ ( sK35_C @ B @ A ) )
            & ! [SY284: $i] :
                ( ~ ( ordinal @ SY284 )
                | ~ ( in @ SY284 @ A )
                | ( ordinal_subset @ ( sK35_C @ B @ A ) @ SY284 ) )
            & ( in @ ( sK35_C @ B @ A ) @ A ) )
          | ( A = empty_set )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[531]) ).

thf(622,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ! [B: $i] :
                ( ~ ( ordinal @ B )
                | ~ ( in @ A @ B )
                | ( ordinal_subset @ ( succ @ A ) @ B ) )
            & ! [B: $i] :
                ( ~ ( ordinal @ B )
                | ~ ( ordinal_subset @ ( succ @ A ) @ B )
                | ( in @ A @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[530]) ).

thf(623,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] : ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[529]) ).

thf(624,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[416]) ).

thf(625,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ ( singleton @ A ) @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[528]) ).

thf(626,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ~ ( in @ A @ C )
              | ~ ( in @ B @ C )
              | ( subset @ ( unordered_pair @ A @ B ) @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ A @ C ) )
          & ! [B: $i,C: $i] :
              ( ~ ( subset @ ( unordered_pair @ A @ B ) @ C )
              | ( in @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[527]) ).

thf(627,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ~ ( subset @ A @ ( relation_field @ B ) )
          | ~ ( well_ordering @ B )
          | ( ( relation_field @ ( relation_restriction @ B @ A ) )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[526]) ).

thf(628,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ C )
          | ~ ( in @ C @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[525]) ).

thf(629,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK34_C @ B @ A ) @ A )
            & ( in @ ( sK34_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[524]) ).

thf(630,plain,
    ( ( ! [A: $i] :
          ( ~ ( subset @ A @ empty_set )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[523]) ).

thf(631,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ( ordinal @ ( sK33_B @ A ) )
            & ( in @ ( sK33_B @ A ) @ A )
            & ~ ( in @ ( succ @ ( sK33_B @ A ) ) @ A ) )
          | ( being_limit_ordinal @ A ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( being_limit_ordinal @ A )
          | ! [B: $i] :
              ( ~ ( ordinal @ B )
              | ~ ( in @ B @ A )
              | ( in @ ( succ @ B ) @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[522]) ).

thf(632,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ B @ A )
          | ~ ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[521]) ).

thf(633,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( disjoint @ B @ C )
          | ~ ( subset @ A @ B )
          | ( disjoint @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[520]) ).

thf(634,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[519]) ).

thf(635,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[405]) ).

thf(636,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[518]) ).

thf(637,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ C @ B )
          | ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[517]) ).

thf(638,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( subset @ A @ ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[516]) ).

thf(639,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[515]) ).

thf(640,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[514]) ).

thf(641,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( epsilon_transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( ordinal @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[513]) ).

thf(642,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( A = B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[512]) ).

thf(643,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i,D: $i] :
              ( ( ( ~ ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                   != C ) )
                & ( ~ ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK32_E @ D @ C @ B @ A ) @ D )
                  | ( ( sK32_E @ D @ C @ B @ A )
                    = C )
                  | ( ( sK32_E @ D @ C @ B @ A )
                    = A )
                  | ( ( sK32_E @ D @ C @ B @ A )
                    = B ) ) )
              | ( D
                = ( unordered_triple @ A @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ( D
               != ( unordered_triple @ A @ B @ C ) )
              | ( ! [E: $i] :
                    ( ~ ( in @ E @ D )
                    | ( E = C )
                    | ( E = A )
                    | ( E = B ) )
                & ! [E: $i] :
                    ( ( E != C )
                    | ( in @ E @ D ) )
                & ! [E: $i] :
                    ( ( E != A )
                    | ( in @ E @ D ) )
                & ! [E: $i] :
                    ( ( E != B )
                    | ( in @ E @ D ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[511]) ).

thf(644,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY282: $i,SY283: $i] :
                ( ( sK31_B @ A )
               != ( ordered_pair @ SY282 @ SY283 ) )
            & ( in @ ( sK31_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK29_C @ B @ A ) @ ( sK30_SY281 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[510]) ).

thf(645,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK28_C @ B @ A )
               != A )
              | ~ ( in @ ( sK28_C @ B @ A ) @ B ) )
            & ( ( ( sK28_C @ B @ A )
                = A )
              | ( in @ ( sK28_C @ B @ A ) @ B ) ) )
          | ( B
            = ( singleton @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( singleton @ A ) )
          | ( ! [C: $i] :
                ( ( C != A )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( C = A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[509]) ).

thf(646,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK27_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[508]) ).

thf(647,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK26_C @ B @ A ) @ B )
              | ~ ( subset @ ( sK26_C @ B @ A ) @ A ) )
            & ( ( in @ ( sK26_C @ B @ A ) @ B )
              | ( subset @ ( sK26_C @ B @ A ) @ A ) ) )
          | ( B
            = ( powerset @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( powerset @ A ) )
          | ( ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( subset @ C @ A ) )
            & ! [C: $i] :
                ( ~ ( subset @ C @ A )
                | ( in @ C @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[507]) ).

thf(648,plain,
    ( ( ! [A: $i] :
          ( ( ( in @ ( sK25_B @ A ) @ A )
            & ~ ( subset @ ( sK25_B @ A ) @ A ) )
          | ( epsilon_transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( epsilon_transitive @ A )
          | ! [B: $i] :
              ( ~ ( in @ B @ A )
              | ( subset @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[506]) ).

thf(649,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( ~ ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ A )
                    | ~ ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ A )
                    | ( in @ ( ordered_pair @ ( sK23_C @ B @ A ) @ ( sK24_SY280 @ B @ A ) ) @ B ) ) )
                | ( A = B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ( A != B )
                | ( ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ ( ordered_pair @ C @ D ) @ B ) )
                  & ! [C: $i,D: $i] :
                      ( ~ ( in @ ( ordered_pair @ C @ D ) @ B )
                      | ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[505]) ).

thf(650,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK22_D @ C @ B @ A ) @ C )
                  | ( ( sK22_D @ C @ B @ A )
                   != A ) )
                & ( ~ ( in @ ( sK22_D @ C @ B @ A ) @ C )
                  | ( ( sK22_D @ C @ B @ A )
                   != B ) )
                & ( ( in @ ( sK22_D @ C @ B @ A ) @ C )
                  | ( ( sK22_D @ C @ B @ A )
                    = A )
                  | ( ( sK22_D @ C @ B @ A )
                    = B ) ) )
              | ( C
                = ( unordered_pair @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( unordered_pair @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( D = A )
                    | ( D = B ) )
                & ! [D: $i] :
                    ( ( D != A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ( D != B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[504]) ).

thf(651,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK21_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK21_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK21_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK21_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK21_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK21_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK21_D @ C @ B @ A ) @ B ) ) )
              | ( C
                = ( set_union2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_union2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A )
                    | ( in @ D @ B ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[503]) ).

thf(652,plain,
    ( ( ! [A: $i] :
          ( ( ( ( sK19_B @ A )
             != ( sK20_SY279 @ A ) )
            & ( in @ ( sK19_B @ A ) @ A )
            & ( in @ ( sK20_SY279 @ A ) @ A )
            & ~ ( in @ ( sK19_B @ A ) @ ( sK20_SY279 @ A ) )
            & ~ ( in @ ( sK20_SY279 @ A ) @ ( sK19_B @ A ) ) )
          | ( epsilon_connected @ A ) )
      & ! [A: $i] :
          ( ~ ( epsilon_connected @ A )
          | ! [B: $i,C: $i] :
              ( ( B = C )
              | ~ ( in @ B @ A )
              | ~ ( in @ C @ A )
              | ( in @ B @ C )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[502]) ).

thf(653,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ~ ( relation @ B )
                | ( ( in @ ( ordered_pair @ ( sK17_C @ B @ A ) @ ( sK18_SY278 @ B @ A ) ) @ A )
                  & ~ ( in @ ( ordered_pair @ ( sK17_C @ B @ A ) @ ( sK18_SY278 @ B @ A ) ) @ B ) )
                | ( subset @ A @ B ) )
            & ! [B: $i] :
                ( ~ ( relation @ B )
                | ~ ( subset @ A @ B )
                | ! [C: $i,D: $i] :
                    ( ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                    | ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[501]) ).

thf(654,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK16_C @ B @ A ) @ A )
            & ~ ( in @ ( sK16_C @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[500]) ).

thf(655,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK15_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK15_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK15_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_intersection2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_intersection2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ~ ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[499]) ).

thf(656,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ! [SY276: $i] :
                  ( ~ ( in @ ( sK13_C @ B @ A ) @ SY276 )
                  | ~ ( in @ SY276 @ A ) )
              | ~ ( in @ ( sK13_C @ B @ A ) @ B ) )
            & ( ( ( in @ ( sK13_C @ B @ A ) @ ( sK14_SY277 @ B @ A ) )
                & ( in @ ( sK14_SY277 @ B @ A ) @ A ) )
              | ( in @ ( sK13_C @ B @ A ) @ B ) ) )
          | ( B
            = ( union @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( union @ A ) )
          | ( ! [C: $i] :
                ( ! [D: $i] :
                    ( ~ ( in @ C @ D )
                    | ~ ( in @ D @ A ) )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( ( in @ C @ ( sK12_D @ C @ B @ A ) )
                  & ( in @ ( sK12_D @ C @ B @ A ) @ A ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[498]) ).

thf(657,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( reflexive @ A )
          | ~ ( transitive @ A )
          | ~ ( antisymmetric @ A )
          | ~ ( connected @ A )
          | ~ ( well_founded_relation @ A )
          | ( well_ordering @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( reflexive @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( transitive @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( antisymmetric @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( connected @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ~ ( well_ordering @ A )
          | ( well_founded_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[497]) ).

thf(658,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK11_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK11_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK11_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK11_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK11_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK11_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK11_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_difference @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_difference @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ~ ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[496]) ).

thf(659,plain,
    ( ( ! [A: $i] :
          ( ( A
           != ( union @ A ) )
          | ( being_limit_ordinal @ A ) )
      & ! [A: $i] :
          ( ~ ( being_limit_ordinal @ A )
          | ( A
            = ( union @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[495]) ).

thf(660,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( subset @ A @ B )
          | ( proper_subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( A != B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( proper_subset @ A @ B )
          | ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[494]) ).

thf(661,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_restriction @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[493]) ).

thf(662,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( relation @ ( relation_inverse @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[492]) ).

thf(663,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( relation_composition @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[491]) ).

thf(664,plain,
    ( ( ! [A: $i] : ( relation @ ( identity_relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[376]) ).

thf(665,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] : ( relation @ ( relation_dom_restriction @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[490]) ).

thf(666,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ B )
          | ( relation @ ( relation_rng_restriction @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[489]) ).

thf(667,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( succ @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[373]) ).

thf(668,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_intersection2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[488]) ).

thf(669,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[487]) ).

thf(670,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ~ ( empty @ ( succ @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ ( succ @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ ( succ @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ordinal @ ( succ @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[486]) ).

thf(671,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( relation @ A )
          | ~ ( relation @ B )
          | ( relation @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[485]) ).

thf(672,plain,
    ( ( ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_connected @ ( union @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( epsilon_transitive @ ( union @ A ) ) )
      & ! [A: $i] :
          ( ~ ( ordinal @ A )
          | ( ordinal @ ( union @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[484]) ).

thf(673,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ( relation_inverse @ ( relation_inverse @ A ) )
            = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[483]) ).

thf(674,plain,
    ( ( ( function @ sK10_A )
      & ( relation @ sK10_A ) )
    = $true ),
    inference(copy,[status(thm)],[482]) ).

thf(675,plain,
    ( ( ( empty @ sK9_A )
      & ( relation @ sK9_A ) )
    = $true ),
    inference(copy,[status(thm)],[481]) ).

thf(676,plain,
    ( ( ~ ( empty @ sK8_A )
      & ( relation @ sK8_A ) )
    = $true ),
    inference(copy,[status(thm)],[480]) ).

thf(677,plain,
    ( ( ~ ( empty @ sK7_A )
      & ( epsilon_transitive @ sK7_A )
      & ( epsilon_connected @ sK7_A )
      & ( ordinal @ sK7_A ) )
    = $true ),
    inference(copy,[status(thm)],[479]) ).

thf(678,plain,
    ( ( ( relation @ sK6_A )
      & ( relation_empty_yielding @ sK6_A ) )
    = $true ),
    inference(copy,[status(thm)],[478]) ).

thf(679,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[477]) ).

thf(680,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[476]) ).

thf(681,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ~ ( in @ ( sK5_C @ B @ A ) @ A )
              | ~ ( in @ ( sK5_C @ B @ A ) @ B ) )
            & ( ( in @ ( sK5_C @ B @ A ) @ A )
              | ( in @ ( sK5_C @ B @ A ) @ B ) ) )
          | ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[475]) ).

thf(682,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[474]) ).

thf(683,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ! [SY275: $i] :
                ( ~ ( in @ SY275 @ B )
                | ~ ( in @ SY275 @ ( sK4_C @ B @ A ) ) )
            & ( in @ ( sK4_C @ B @ A ) @ B ) )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[473]) ).

thf(684,plain,
    ( ( ! [A: $i] :
          ( ! [SY268: $i] :
              ( ~ ( subset @ SY268 @ ( sK2_B @ A ) )
              | ( are_equipotent @ SY268 @ ( sK2_B @ A ) )
              | ( in @ SY268 @ ( sK2_B @ A ) ) )
          & ! [SY269: $i] :
              ( ( ! [SY274: $i] :
                    ( ~ ( subset @ SY274 @ SY269 )
                    | ( in @ SY274 @ ( sK3_SY270 @ SY269 @ A ) ) )
                & ( in @ ( sK3_SY270 @ SY269 @ A ) @ ( sK2_B @ A ) ) )
              | ~ ( in @ SY269 @ ( sK2_B @ A ) ) )
          & ! [SY272: $i,SY273: $i] :
              ( ~ ( in @ SY272 @ ( sK2_B @ A ) )
              | ~ ( subset @ SY273 @ SY272 )
              | ( in @ SY273 @ ( sK2_B @ A ) ) )
          & ( in @ A @ ( sK2_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[472]) ).

thf(685,plain,
    ( ( ordinal @ sK1_A )
    = $true ),
    inference(copy,[status(thm)],[469]) ).

thf(686,plain,
    ( ( ~ ( well_ordering @ ( inclusion_relation @ sK1_A ) ) )
    = $true ),
    inference(copy,[status(thm)],[471]) ).

thf(687,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ordinal @ SX1 )
          | ~ ( ~ ( ordinal @ ( sK35_C @ SX1 @ SX0 ) )
              | ~ ~ ( ~ ! [SX2: $i] :
                          ( ~ ( ordinal @ SX2 )
                          | ~ ( in @ SX2 @ SX0 )
                          | ( ordinal_subset @ ( sK35_C @ SX1 @ SX0 ) @ SX2 ) )
                    | ~ ( in @ ( sK35_C @ SX1 @ SX0 ) @ SX0 ) ) )
          | ( SX0 = empty_set )
          | ~ ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[621]) ).

thf(688,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX3 )
                                | ( ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 )
                                 != SX2 ) )
                            | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX3 )
                                      | ( ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 )
                                       != SX0 ) )
                                  | ~ ( ~ ( in @ ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX3 )
                                      | ( ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 )
                                       != SX1 ) ) ) )
                      | ~ ( ( in @ ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX3 )
                          | ( ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 )
                            = SX2 )
                          | ( ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 )
                            = SX0 )
                          | ( ( sK32_E @ SX3 @ SX2 @ SX1 @ SX0 )
                            = SX1 ) ) )
                  | ( SX3
                    = ( unordered_triple @ SX0 @ SX1 @ SX2 ) ) )
            | ~ ! [SX2: $i,SX3: $i] :
                  ( ( SX3
                   != ( unordered_triple @ SX0 @ SX1 @ SX2 ) )
                  | ~ ( ~ ! [SX4: $i] :
                            ( ~ ( in @ SX4 @ SX3 )
                            | ( SX4 = SX2 )
                            | ( SX4 = SX0 )
                            | ( SX4 = SX1 ) )
                      | ~ ~ ( ~ ! [SX4: $i] :
                                  ( ( SX4 != SX2 )
                                  | ( in @ SX4 @ SX3 ) )
                            | ~ ~ ( ~ ! [SX4: $i] :
                                        ( ( SX4 != SX0 )
                                        | ( in @ SX4 @ SX3 ) )
                                  | ~ ! [SX4: $i] :
                                        ( ( SX4 != SX1 )
                                        | ( in @ SX4 @ SX3 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[643]) ).

thf(689,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ~ ( ~ ( ( ( sK19_B @ SX0 )
                               != ( sK20_SY279 @ SX0 ) ) )
                          | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SX0 ) @ SX0 )
                                      | ~ ( in @ ( sK20_SY279 @ SX0 ) @ SX0 ) )
                                | ~ ~ ( in @ ( sK19_B @ SX0 ) @ ( sK20_SY279 @ SX0 ) ) ) )
                    | ~ ~ ( in @ ( sK20_SY279 @ SX0 ) @ ( sK19_B @ SX0 ) ) )
                | ( epsilon_connected @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( epsilon_connected @ SX0 )
                | ! [SX1: $i,SX2: $i] :
                    ( ( SX1 = SX2 )
                    | ~ ( in @ SX1 @ SX0 )
                    | ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX1 @ SX2 )
                    | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[652]) ).

thf(690,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK39_SY286 @ SX0 ) ) @ SX0 )
                          | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
                    | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
                | ( transitive @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( transitive @ SX0 )
                | ! [SX1: $i,SX2: $i,SX3: $i] :
                    ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                    | ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[594]) ).

thf(691,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( in @ SX0 @ SX1 )
                | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
                | ( in @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[595]) ).

thf(692,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                            ( ~ ( ordinal @ SX0 )
                            | ~ ( empty @ ( succ @ SX0 ) ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( ordinal @ SX0 )
                            | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( ordinal @ SX0 )
                      | ( epsilon_connected @ ( succ @ SX0 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( ordinal @ ( succ @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[670]) ).

thf(693,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0
                 != ( union @ SX0 ) )
                | ( being_limit_ordinal @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( being_limit_ordinal @ SX0 )
                | ( SX0
                  = ( union @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[659]) ).

thf(694,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ( in @ ( sK25_B @ SX0 ) @ SX0 )
                    | ~ ~ ( subset @ ( sK25_B @ SX0 ) @ SX0 ) )
                | ( epsilon_transitive @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( epsilon_transitive @ SX0 )
                | ! [SX1: $i] :
                    ( ~ ( in @ SX1 @ SX0 )
                    | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[648]) ).

thf(695,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( in @ ( sK27_B @ SX0 ) @ SX0 )
                | ( SX0 = empty_set ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[646]) ).

thf(696,plain,
    ( ( ~ ( ~ ( function @ sK10_A )
          | ~ ( relation @ sK10_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[674]) ).

thf(697,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ~ ( in @ SX2 @ ( sK4_C @ SX1 @ SX0 ) ) )
              | ~ ( in @ ( sK4_C @ SX1 @ SX0 ) @ SX1 ) )
          | ~ ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[683]) ).

thf(698,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ SX0 @ ( relation_field @ ( relation_restriction @ SX2 @ SX1 ) ) )
                  | ( in @ SX0 @ ( relation_field @ SX2 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ SX0 @ ( relation_field @ ( relation_restriction @ SX2 @ SX1 ) ) )
                  | ( in @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[607]) ).

thf(699,plain,
    ( ( ~ ( ~ ~ ( empty @ sK8_A )
          | ~ ( relation @ sK8_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[676]) ).

thf(700,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX1 @ ( sK2_B @ SX0 ) )
                  | ( are_equipotent @ SX1 @ ( sK2_B @ SX0 ) )
                  | ( in @ SX1 @ ( sK2_B @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ~ ! [SX2: $i] :
                                  ( ~ ( subset @ SX2 @ SX1 )
                                  | ( in @ SX2 @ ( sK3_SY270 @ SX1 @ SX0 ) ) )
                            | ~ ( in @ ( sK3_SY270 @ SX1 @ SX0 ) @ ( sK2_B @ SX0 ) ) )
                        | ~ ( in @ SX1 @ ( sK2_B @ SX0 ) ) )
                  | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                              ( ~ ( in @ SX1 @ ( sK2_B @ SX0 ) )
                              | ~ ( subset @ SX2 @ SX1 )
                              | ( in @ SX2 @ ( sK2_B @ SX0 ) ) )
                        | ~ ( in @ SX0 @ ( sK2_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[684]) ).

thf(701,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ! [SX2: $i] :
                            ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX2 )
                            | ~ ( in @ SX2 @ SX0 ) )
                        | ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ~ ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY277 @ SX1 @ SX0 ) )
                            | ~ ( in @ ( sK14_SY277 @ SX1 @ SX0 ) @ SX0 ) )
                        | ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( union @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( union @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ! [SX3: $i] :
                              ( ~ ( in @ SX2 @ SX3 )
                              | ~ ( in @ SX3 @ SX0 ) )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ~ ( ~ ( in @ SX2 @ ( sK12_D @ SX2 @ SX1 @ SX0 ) )
                              | ~ ( in @ ( sK12_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[656]) ).

thf(702,plain,
    ( ( ~ ( ~ ( relation @ sK6_A )
          | ~ ( relation_empty_yielding @ sK6_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[678]) ).

thf(703,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK7_A )
                      | ~ ( epsilon_transitive @ sK7_A ) )
                | ~ ( epsilon_connected @ sK7_A ) )
          | ~ ( ordinal @ sK7_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[677]) ).

thf(704,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ~ ( ~ ( ordinal @ ( sK33_B @ SX0 ) )
                    | ~ ~ ( ~ ( in @ ( sK33_B @ SX0 ) @ SX0 )
                          | ~ ~ ( in @ ( succ @ ( sK33_B @ SX0 ) ) @ SX0 ) ) )
                | ( being_limit_ordinal @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ~ ( being_limit_ordinal @ SX0 )
                | ! [SX1: $i] :
                    ( ~ ( ordinal @ SX1 )
                    | ~ ( in @ SX1 @ SX0 )
                    | ( in @ ( succ @ SX1 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[631]) ).

thf(705,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 = SX1 )
                | ~ ( subset @ SX0 @ SX1 )
                | ( proper_subset @ SX0 @ SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( proper_subset @ SX0 @ SX1 )
                      | ( SX0 != SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( proper_subset @ SX0 @ SX1 )
                      | ( subset @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[660]) ).

thf(706,plain,
    ( ( ~ ( ~ ( empty @ sK9_A )
          | ~ ( relation @ sK9_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[675]) ).

thf(707,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( ordinal @ SX0 )
                      | ( epsilon_connected @ ( union @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( ordinal @ SX0 )
                      | ( epsilon_transitive @ ( union @ SX0 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( ordinal @ ( union @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[672]) ).

thf(708,plain,
    ( ( ~ ( ~ ~ ( ~ ( epsilon_connected @ sK49_A )
                | ~ ( epsilon_transitive @ sK49_A ) )
          | ~ ( ordinal @ sK49_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[590]) ).

thf(709,plain,
    ( ( ! [SX0: $i] :
          ( ! [SX1: $i] :
              ( ~ ( in @ SX1 @ SX0 )
              | ~ ( ordinal @ SX1 ) )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ordinal @ SX1 )
                    | ~ ( in @ SX1 @ SX0 )
                    | ( ordinal_subset @ ( sK54_B @ SX0 ) @ SX1 ) )
              | ~ ~ ( ~ ( in @ ( sK54_B @ SX0 ) @ SX0 )
                    | ~ ( ordinal @ ( sK54_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[573]) ).

thf(710,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( in @ SX0 @ SX2 )
                  | ~ ( in @ SX1 @ SX2 )
                  | ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 )
                        | ( in @ SX0 @ SX2 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SX0 @ SX1 ) @ SX2 )
                        | ( in @ SX1 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[626]) ).

thf(711,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ordinal @ SX1 )
          | ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SX1 @ SX0 )
                                 != ( sK45_SY295 @ SX1 @ SX0 ) )
                                | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SX1 @ SX0 )
                                             != ( sK48_SY300 @ SX1 @ SX0 ) )
                                            | ~ ( ordinal @ ( sK48_SY300 @ SX1 @ SX0 ) ) )
                                      | ~ ( in @ ( sK48_SY300 @ SX1 @ SX0 ) @ SX0 ) ) )
                          | ( ( sK44_C @ SX1 @ SX0 )
                           != ( sK46_SY299 @ SX1 @ SX0 ) ) )
                    | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SX1 @ SX0 )
                                 != ( sK47_SY303 @ SX1 @ SX0 ) )
                                | ~ ( ordinal @ ( sK47_SY303 @ SX1 @ SX0 ) ) )
                          | ~ ( in @ ( sK47_SY303 @ SX1 @ SX0 ) @ SX0 ) ) )
              | ~ ( ( ( sK45_SY295 @ SX1 @ SX0 )
                   != ( sK46_SY299 @ SX1 @ SX0 ) ) ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ! [SX3: $i] :
                        ( ( SX3 != SX2 )
                        | ~ ( in @ SX3 @ ( succ @ SX1 ) ) )
                    | ! [SX3: $i] :
                        ( ( SX2 != SX3 )
                        | ~ ( ordinal @ SX3 )
                        | ~ ( in @ SX3 @ SX0 ) )
                    | ( in @ SX2 @ ( sK41_C @ SX1 @ SX0 ) ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ ( sK41_C @ SX1 @ SX0 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SX2 @ SX1 @ SX0 )
                               != SX2 )
                              | ~ ( in @ ( sK43_E @ SX2 @ SX1 @ SX0 ) @ ( succ @ SX1 ) ) )
                        | ~ ~ ( ~ ~ ( ( SX2
                                     != ( sK42_H @ SX2 @ SX1 @ SX0 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SX2 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK42_H @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[593]) ).

thf(712,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX0 @ SX1 )
                  | ! [SX2: $i] : ( subset @ ( cartesian_product2 @ SX0 @ SX2 ) @ ( cartesian_product2 @ SX1 @ SX2 ) ) )
            | ~ ! [SX1: $i] :
                  ( ~ ( subset @ SX0 @ SX1 )
                  | ! [SX2: $i] : ( subset @ ( cartesian_product2 @ SX2 @ SX0 ) @ ( cartesian_product2 @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[600]) ).

thf(713,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK22_D @ SX2 @ SX1 @ SX0 )
                                 != SX0 ) )
                            | ~ ( ~ ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ( ( sK22_D @ SX2 @ SX1 @ SX0 )
                                 != SX1 ) ) )
                      | ~ ( ( in @ ( sK22_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( ( sK22_D @ SX2 @ SX1 @ SX0 )
                            = SX0 )
                          | ( ( sK22_D @ SX2 @ SX1 @ SX0 )
                            = SX1 ) ) )
                  | ( SX2
                    = ( unordered_pair @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( unordered_pair @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX2 )
                            | ( SX3 = SX0 )
                            | ( SX3 = SX1 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ( SX3 != SX0 )
                                  | ( in @ SX3 @ SX2 ) )
                            | ~ ! [SX3: $i] :
                                  ( ( SX3 != SX1 )
                                  | ( in @ SX3 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[650]) ).

thf(714,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( being_limit_ordinal @ SX0 )
                | ~ ( ~ ( ordinal @ ( sK50_B @ SX0 ) )
                    | ( SX0
                     != ( succ @ ( sK50_B @ SX0 ) ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ! [SX1: $i] :
                    ( ( SX0
                     != ( succ @ SX1 ) )
                    | ~ ( ordinal @ SX1 ) )
                | ~ ( being_limit_ordinal @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[581]) ).

thf(715,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( relation @ SX2 )
                  | ~ ( in @ SX0 @ SX2 )
                  | ~ ( in @ SX0 @ ( cartesian_product2 @ SX1 @ SX1 ) )
                  | ( in @ SX0 @ ( relation_restriction @ SX2 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( in @ SX0 @ ( relation_restriction @ SX2 @ SX1 ) )
                        | ( in @ SX0 @ SX2 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( relation @ SX2 )
                        | ~ ( in @ SX0 @ ( relation_restriction @ SX2 @ SX1 ) )
                        | ( in @ SX0 @ ( cartesian_product2 @ SX1 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[604]) ).

thf(716,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ( epsilon_connected @ SX0 ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ( epsilon_transitive @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( ordinal @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[641]) ).

thf(717,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( reflexive @ SX0 )
                | ~ ( transitive @ SX0 )
                | ~ ( antisymmetric @ SX0 )
                | ~ ( connected @ SX0 )
                | ~ ( well_founded_relation @ SX0 )
                | ( well_ordering @ SX0 ) )
          | ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                                        ( ~ ( relation @ SX0 )
                                        | ~ ( well_ordering @ SX0 )
                                        | ( reflexive @ SX0 ) )
                                  | ~ ! [SX0: $i] :
                                        ( ~ ( relation @ SX0 )
                                        | ~ ( well_ordering @ SX0 )
                                        | ( transitive @ SX0 ) ) )
                            | ~ ! [SX0: $i] :
                                  ( ~ ( relation @ SX0 )
                                  | ~ ( well_ordering @ SX0 )
                                  | ( antisymmetric @ SX0 ) ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( relation @ SX0 )
                            | ~ ( well_ordering @ SX0 )
                            | ( connected @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( relation @ SX0 )
                      | ~ ( well_ordering @ SX0 )
                      | ( well_founded_relation @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[657]) ).

thf(718,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ordinal @ SX1 )
          | ~ ( ~ ! [SX2: $i] :
                    ( ! [SX3: $i] :
                        ( ( SX2 != SX3 )
                        | ~ ( ordinal @ SX3 )
                        | ~ ( in @ SX3 @ SX0 ) )
                    | ~ ( in @ SX2 @ ( succ @ SX1 ) )
                    | ( in @ SX2 @ ( sK52_C @ SX1 @ SX0 ) ) )
              | ~ ~ ( ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ ( sK52_C @ SX1 @ SX0 ) )
                          | ~ ( ~ ~ ( ( SX2
                                     != ( sK53_E @ SX2 @ SX1 @ SX0 ) )
                                    | ~ ( ordinal @ ( sK53_E @ SX2 @ SX1 @ SX0 ) ) )
                              | ~ ( in @ ( sK53_E @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ ( sK52_C @ SX1 @ SX0 ) )
                          | ( in @ SX2 @ ( succ @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[574]) ).

thf(719,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SX1 @ SX0 ) @ ( sK18_SY278 @ SX1 @ SX0 ) ) @ SX0 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SX1 @ SX0 ) @ ( sK18_SY278 @ SX1 @ SX0 ) ) @ SX1 ) )
                    | ( subset @ SX0 @ SX1 ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( subset @ SX0 @ SX1 )
                    | ! [SX2: $i,SX3: $i] :
                        ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                        | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[653]) ).

thf(720,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( in @ SX0 @ SX1 )
                | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
                | ( in @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[625]) ).

thf(721,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK15_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) ) )
                  | ( SX2
                    = ( set_intersection2 @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_intersection2 @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX0 )
                            | ~ ( in @ SX3 @ SX1 )
                            | ( in @ SX3 @ SX2 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX0 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[655]) ).

thf(722,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ~ ( ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ~ ( in @ SX2 @ SX1 ) )
                | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[629]) ).

thf(723,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK11_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK11_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK11_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK11_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ~ ( in @ ( sK11_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK11_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) ) )
                  | ( SX2
                    = ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_difference @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX0 )
                            | ( in @ SX3 @ SX1 )
                            | ( in @ SX3 @ SX2 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX0 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ~ ( in @ SX3 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[658]) ).

thf(724,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                          ( ( sK31_B @ SX0 )
                         != ( ordered_pair @ SX1 @ SX2 ) )
                    | ~ ( in @ ( sK31_B @ SX0 ) @ SX0 ) )
                | ( relation @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ! [SX1: $i] :
                    ( ( SX1
                      = ( ordered_pair @ ( sK29_C @ SX1 @ SX0 ) @ ( sK30_SY281 @ SX1 @ SX0 ) ) )
                    | ~ ( in @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[644]) ).

thf(725,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                        | ~ ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) )
                    | ~ ( ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                        | ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) ) )
                | ( SX1
                  = ( powerset @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( powerset @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ( subset @ SX2 @ SX0 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( subset @ SX2 @ SX0 )
                          | ( in @ SX2 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[647]) ).

thf(726,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SX1 @ SX0 ) @ ( sK24_SY280 @ SX1 @ SX0 ) ) @ SX0 )
                            | ~ ( in @ ( ordered_pair @ ( sK23_C @ SX1 @ SX0 ) @ ( sK24_SY280 @ SX1 @ SX0 ) ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SX1 @ SX0 ) @ ( sK24_SY280 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( ordered_pair @ ( sK23_C @ SX1 @ SX0 ) @ ( sK24_SY280 @ SX1 @ SX0 ) ) @ SX1 ) ) )
                    | ( SX0 = SX1 ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( relation @ SX1 )
                    | ( SX0 != SX1 )
                    | ~ ( ~ ! [SX2: $i,SX3: $i] :
                              ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                              | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) )
                        | ~ ! [SX2: $i,SX3: $i] :
                              ( ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 )
                              | ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[649]) ).

thf(727,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX0 )
                  | ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[681]) ).

thf(728,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( relation @ SX1 )
                | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ ( relation_field @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( relation @ SX1 )
                | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[610]) ).

thf(729,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[642]) ).

thf(730,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ( in @ ( sK51_B @ SX0 ) @ SX0 )
              | ~ ( ~ ( ordinal @ ( sK51_B @ SX0 ) )
                  | ~ ( subset @ ( sK51_B @ SX0 ) @ SX0 ) ) )
          | ( ordinal @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[578]) ).

thf(731,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ordinal @ SX0 )
                | ~ ( ordinal @ SX1 )
                | ~ ( ordinal_subset @ SX0 @ SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ordinal @ SX0 )
                | ~ ( ordinal @ SX1 )
                | ~ ( subset @ SX0 @ SX1 )
                | ( ordinal_subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[591]) ).

thf(732,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK21_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) )
                            | ~ ( ~ ( in @ ( sK21_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK21_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ~ ( ( in @ ( sK21_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( in @ ( sK21_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK21_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                  | ( SX2
                    = ( set_union2 @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_union2 @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX2 )
                            | ( in @ SX3 @ SX0 )
                            | ( in @ SX3 @ SX1 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX0 )
                                  | ( in @ SX3 @ SX2 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX1 )
                                  | ( in @ SX3 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[651]) ).

thf(733,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SX0 ) @ ( sK37_SY285 @ SX0 ) ) @ SX0 )
                          | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SX0 ) @ ( sK36_B @ SX0 ) ) @ SX0 ) )
                    | ~ ( ( ( sK36_B @ SX0 )
                         != ( sK37_SY285 @ SX0 ) ) ) )
                | ( antisymmetric @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( antisymmetric @ SX0 )
                | ! [SX1: $i,SX2: $i] :
                    ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ SX2 @ SX1 ) @ SX0 )
                    | ( SX1 = SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[596]) ).

thf(734,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ( ( sK28_C @ SX1 @ SX0 )
                         != SX0 )
                        | ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( ( sK28_C @ SX1 @ SX0 )
                          = SX0 )
                        | ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( singleton @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( singleton @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ( SX2 != SX0 )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ( SX2 = SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[645]) ).

thf(735,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ordinal @ SX1 )
                    | ~ ( in @ SX0 @ SX1 )
                    | ( ordinal_subset @ ( succ @ SX0 ) @ SX1 ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( ordinal @ SX1 )
                    | ~ ( ordinal_subset @ ( succ @ SX0 ) @ SX1 )
                    | ( in @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[622]) ).

thf(736,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_connected @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_transitive @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[585]) ).

thf(737,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[654]) ).

thf(738,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( epsilon_connected @ SX0 )
                | ~ ( epsilon_transitive @ SX0 )
                | ( ordinal @ SX0 ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( ordinal @ SX0 )
                      | ( epsilon_connected @ SX0 ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( ordinal @ SX0 )
                      | ( epsilon_transitive @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[588]) ).

thf(739,plain,
    ! [SV1: $i] :
      ( ( ! [SY310: $i] :
            ( ~ ( ordinal @ SY310 )
            | ~ ( in @ SV1 @ SY310 )
            | ( ordinal @ SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[575]) ).

thf(740,plain,
    ! [SV2: $i] :
      ( ( ~ ( ordinal @ SV2 )
        | ! [SY311: $i] :
            ( ~ ( ordinal @ SY311 )
            | ( in @ SV2 @ SY311 )
            | ( SV2 = SY311 )
            | ( in @ SY311 @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[576]) ).

thf(741,plain,
    ! [SV3: $i] :
      ( ( reflexive @ ( inclusion_relation @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[577]) ).

thf(742,plain,
    ! [SV4: $i] :
      ( ( ! [SY312: $i] :
            ( ~ ( relation @ SY312 )
            | ~ ( well_ordering @ SY312 )
            | ( well_ordering @ ( relation_restriction @ SY312 @ SV4 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[579]) ).

thf(743,plain,
    ! [SV5: $i] :
      ( ( transitive @ ( inclusion_relation @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[580]) ).

thf(744,plain,
    ! [SV6: $i] :
      ( ( ~ ( ordinal @ SV6 )
        | ( connected @ ( inclusion_relation @ SV6 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[582]) ).

thf(745,plain,
    ! [SV7: $i] :
      ( ( antisymmetric @ ( inclusion_relation @ SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[583]) ).

thf(746,plain,
    ! [SV8: $i] :
      ( ( ~ ( ordinal @ SV8 )
        | ( well_founded_relation @ ( inclusion_relation @ SV8 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[584]) ).

thf(747,plain,
    ! [SV9: $i] :
      ( ( ~ ( epsilon_connected @ SV9 )
        | ~ ( epsilon_transitive @ SV9 )
        | ( ordinal @ SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[586]) ).

thf(748,plain,
    ! [SV10: $i] :
      ( ( ! [SY313: $i] :
            ( ~ ( ordinal @ SV10 )
            | ~ ( ordinal @ SY313 )
            | ( ordinal_subset @ SV10 @ SY313 )
            | ( ordinal_subset @ SY313 @ SV10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[587]) ).

thf(749,plain,
    ! [SV11: $i] :
      ( ( relation @ ( inclusion_relation @ SV11 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[589]) ).

thf(750,plain,
    ! [SV12: $i] :
      ( ( ~ ( ordinal @ SV12 )
        | ! [B: $i] :
            ~ ( ordinal @ B )
        | ( ordinal_subset @ SV12 @ SV12 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[592]) ).

thf(751,plain,
    ! [SV13: $i] :
      ( ( ! [SY315: $i] :
            ( ~ ( in @ SV13 @ SY315 )
            | ( subset @ SV13 @ ( union @ SY315 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[597]) ).

thf(752,plain,
    ! [SV14: $i] :
      ( ( in @ SV14 @ ( succ @ SV14 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[598]) ).

thf(753,plain,
    ! [SV15: $i] :
      ( ( ! [SY316: $i] :
            ( ~ ( relation @ SY316 )
            | ( subset @ ( relation_rng_restriction @ SV15 @ SY316 ) @ SY316 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[599]) ).

thf(754,plain,
    ! [SV16: $i] :
      ( ( ! [SY317: $i,SY318: $i,SY319: $i] :
            ( ~ ( subset @ SV16 @ SY317 )
            | ~ ( subset @ SY318 @ SY319 )
            | ( subset @ ( cartesian_product2 @ SV16 @ SY318 ) @ ( cartesian_product2 @ SY317 @ SY319 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[601]) ).

thf(755,plain,
    ! [SV17: $i] :
      ( ( ! [SY320: $i] :
            ( ~ ( subset @ SV17 @ SY320 )
            | ( ( set_union2 @ SV17 @ SY320 )
              = SY320 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[602]) ).

thf(756,plain,
    ! [SV18: $i] :
      ( ( ! [SY321: $i,SY322: $i,SY323: $i] :
            ( ~ ( relation_of2_as_subset @ SY323 @ SY322 @ SV18 )
            | ~ ( subset @ SV18 @ SY321 )
            | ( relation_of2_as_subset @ SY323 @ SY322 @ SY321 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[603]) ).

thf(757,plain,
    ! [SV19: $i] :
      ( ( ! [SY324: $i,SY325: $i] :
            ( ~ ( relation @ SY325 )
            | ~ ( subset @ SV19 @ SY324 )
            | ( subset @ ( relation_inverse_image @ SY325 @ SV19 ) @ ( relation_inverse_image @ SY325 @ SY324 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[605]) ).

thf(758,plain,
    ! [SV20: $i] :
      ( ( ! [SY326: $i] : ( subset @ ( set_intersection2 @ SV20 @ SY326 ) @ SV20 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[606]) ).

thf(759,plain,
    ! [SV21: $i] :
      ( ( ! [SY327: $i,SY328: $i] :
            ( ~ ( subset @ SV21 @ SY327 )
            | ~ ( subset @ SV21 @ SY328 )
            | ( subset @ SV21 @ ( set_intersection2 @ SY327 @ SY328 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[608]) ).

thf(760,plain,
    ! [SV22: $i] :
      ( ( ! [SY329: $i,SY330: $i] :
            ( ~ ( subset @ SV22 @ SY329 )
            | ~ ( subset @ SY329 @ SY330 )
            | ( subset @ SV22 @ SY330 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[609]) ).

thf(761,plain,
    ! [SV23: $i] :
      ( ( ~ ( epsilon_transitive @ SV23 )
        | ! [SY331: $i] :
            ( ~ ( ordinal @ SY331 )
            | ~ ( proper_subset @ SV23 @ SY331 )
            | ( in @ SV23 @ SY331 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[611]) ).

thf(762,plain,
    ! [SV24: $i] :
      ( ( ! [SY332: $i,SY333: $i] :
            ( ~ ( relation @ SY333 )
            | ( subset @ ( fiber @ ( relation_restriction @ SY333 @ SV24 ) @ SY332 ) @ ( fiber @ SY333 @ SY332 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[612]) ).

thf(763,plain,
    ! [SV25: $i] :
      ( ( ! [SY334: $i] :
            ( ~ ( relation @ SY334 )
            | ~ ( reflexive @ SY334 )
            | ( reflexive @ ( relation_restriction @ SY334 @ SV25 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[613]) ).

thf(764,plain,
    ! [SV26: $i] :
      ( ( ! [SY335: $i] :
            ( ~ ( relation @ SY335 )
            | ~ ( connected @ SY335 )
            | ( connected @ ( relation_restriction @ SY335 @ SV26 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[614]) ).

thf(765,plain,
    ! [SV27: $i] :
      ( ( ! [SY336: $i] :
            ( ~ ( relation @ SY336 )
            | ~ ( transitive @ SY336 )
            | ( transitive @ ( relation_restriction @ SY336 @ SV27 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[615]) ).

thf(766,plain,
    ! [SV28: $i] :
      ( ( ! [SY337: $i] :
            ( ~ ( relation @ SY337 )
            | ~ ( antisymmetric @ SY337 )
            | ( antisymmetric @ ( relation_restriction @ SY337 @ SV28 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[616]) ).

thf(767,plain,
    ! [SV29: $i] :
      ( ( ! [SY338: $i] :
            ( ~ ( subset @ SV29 @ SY338 )
            | ! [SY339: $i] : ( subset @ ( set_intersection2 @ SV29 @ SY339 ) @ ( set_intersection2 @ SY338 @ SY339 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[617]) ).

thf(768,plain,
    ! [SV30: $i] :
      ( ( ! [SY340: $i] :
            ( ~ ( subset @ SV30 @ SY340 )
            | ( ( set_intersection2 @ SV30 @ SY340 )
              = SV30 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[618]) ).

thf(769,plain,
    ! [SV31: $i] :
      ( ( subset @ empty_set @ SV31 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[619]) ).

thf(770,plain,
    ! [SV32: $i] :
      ( ( ! [SY341: $i] :
            ( ~ ( relation @ SY341 )
            | ~ ( well_founded_relation @ SY341 )
            | ( well_founded_relation @ ( relation_restriction @ SY341 @ SV32 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[620]) ).

thf(771,plain,
    ! [SV33: $i] :
      ( ( ! [SY342: $i] :
            ( ~ ( subset @ SV33 @ SY342 )
            | ! [SY343: $i] : ( subset @ ( set_difference @ SV33 @ SY343 ) @ ( set_difference @ SY342 @ SY343 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[623]) ).

thf(772,plain,
    ! [SV34: $i] :
      ( ( ! [SY344: $i] : ( subset @ ( set_difference @ SV34 @ SY344 ) @ SV34 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[624]) ).

thf(773,plain,
    ! [SV35: $i] :
      ( ( ! [SY345: $i] :
            ( ~ ( relation @ SY345 )
            | ~ ( subset @ SV35 @ ( relation_field @ SY345 ) )
            | ~ ( well_ordering @ SY345 )
            | ( ( relation_field @ ( relation_restriction @ SY345 @ SV35 ) )
              = SV35 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[627]) ).

thf(774,plain,
    ! [SV36: $i] :
      ( ( ! [SY346: $i,SY347: $i] :
            ( ~ ( in @ SV36 @ SY346 )
            | ~ ( in @ SY346 @ SY347 )
            | ~ ( in @ SY347 @ SV36 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[628]) ).

thf(775,plain,
    ! [SV37: $i] :
      ( ( ~ ( subset @ SV37 @ empty_set )
        | ( SV37 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[630]) ).

thf(776,plain,
    ! [SV38: $i] :
      ( ( ! [SY348: $i] :
            ( ~ ( proper_subset @ SY348 @ SV38 )
            | ~ ( subset @ SV38 @ SY348 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[632]) ).

thf(777,plain,
    ! [SV39: $i] :
      ( ( ! [SY349: $i,SY350: $i] :
            ( ~ ( disjoint @ SY349 @ SY350 )
            | ~ ( subset @ SV39 @ SY349 )
            | ( disjoint @ SV39 @ SY350 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[633]) ).

thf(778,plain,
    ! [SV40: $i] :
      ( ( ! [SY351: $i] :
            ( ~ ( subset @ ( singleton @ SV40 ) @ ( singleton @ SY351 ) )
            | ( SV40 = SY351 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[634]) ).

thf(779,plain,
    ! [SV41: $i] :
      ( ( ! [SY352: $i] : ( subset @ SV41 @ ( set_union2 @ SV41 @ SY352 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[635]) ).

thf(780,plain,
    ! [SV42: $i] :
      ( ( ! [SY353: $i] :
            ( ~ ( relation @ SY353 )
            | ( subset @ ( relation_dom_restriction @ SY353 @ SV42 ) @ SY353 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[636]) ).

thf(781,plain,
    ! [SV43: $i] :
      ( ( ! [SY354: $i,SY355: $i] :
            ( ~ ( subset @ SV43 @ SY354 )
            | ~ ( subset @ SY355 @ SY354 )
            | ( subset @ ( set_union2 @ SV43 @ SY355 ) @ SY354 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[637]) ).

thf(782,plain,
    ! [SV44: $i] :
      ( ( ! [SY356: $i] :
            ( ~ ( in @ SV44 @ SY356 )
            | ( subset @ SV44 @ ( union @ SY356 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[638]) ).

thf(783,plain,
    ! [SV45: $i] :
      ( ( ! [SY357: $i] :
            ( ~ ( in @ SV45 @ SY357 )
            | ~ ( in @ SY357 @ SV45 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[639]) ).

thf(784,plain,
    ! [SV46: $i] :
      ( ( ~ ( empty @ SV46 )
        | ( relation @ SV46 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[640]) ).

thf(785,plain,
    ! [SV47: $i] :
      ( ( ~ ( relation @ SV47 )
        | ! [SY358: $i] : ( relation @ ( relation_restriction @ SV47 @ SY358 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[661]) ).

thf(786,plain,
    ! [SV48: $i] :
      ( ( ~ ( relation @ SV48 )
        | ( relation @ ( relation_inverse @ SV48 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[662]) ).

thf(787,plain,
    ! [SV49: $i] :
      ( ( ! [SY359: $i] :
            ( ~ ( relation @ SV49 )
            | ~ ( relation @ SY359 )
            | ( relation @ ( relation_composition @ SV49 @ SY359 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[663]) ).

thf(788,plain,
    ! [SV50: $i] :
      ( ( relation @ ( identity_relation @ SV50 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[664]) ).

thf(789,plain,
    ! [SV51: $i] :
      ( ( ~ ( relation @ SV51 )
        | ! [SY360: $i] : ( relation @ ( relation_dom_restriction @ SV51 @ SY360 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[665]) ).

thf(790,plain,
    ! [SV52: $i] :
      ( ( ! [SY361: $i] :
            ( ~ ( relation @ SY361 )
            | ( relation @ ( relation_rng_restriction @ SV52 @ SY361 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[666]) ).

thf(791,plain,
    ! [SV53: $i] :
      ( ( ~ ( empty @ ( succ @ SV53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[667]) ).

thf(792,plain,
    ! [SV54: $i] :
      ( ( ! [SY362: $i] :
            ( ~ ( relation @ SV54 )
            | ~ ( relation @ SY362 )
            | ( relation @ ( set_intersection2 @ SV54 @ SY362 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[668]) ).

thf(793,plain,
    ! [SV55: $i] :
      ( ( ! [SY363: $i] :
            ( ~ ( relation @ SV55 )
            | ~ ( relation @ SY363 )
            | ( relation @ ( set_union2 @ SV55 @ SY363 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[669]) ).

thf(794,plain,
    ! [SV56: $i] :
      ( ( ! [SY364: $i] :
            ( ~ ( relation @ SV56 )
            | ~ ( relation @ SY364 )
            | ( relation @ ( set_difference @ SV56 @ SY364 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[671]) ).

thf(795,plain,
    ! [SV57: $i] :
      ( ( ~ ( relation @ SV57 )
        | ( ( relation_inverse @ ( relation_inverse @ SV57 ) )
          = SV57 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[673]) ).

thf(796,plain,
    ! [SV58: $i] :
      ( ( subset @ SV58 @ SV58 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[679]) ).

thf(797,plain,
    ! [SV59: $i] :
      ( ( ! [SY365: $i] :
            ( ~ ( in @ SV59 @ SY365 )
            | ( element @ SV59 @ SY365 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[680]) ).

thf(798,plain,
    ! [SV60: $i] :
      ( ( ! [SY366: $i] :
            ( ~ ( empty @ SY366 )
            | ~ ( in @ SV60 @ SY366 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[682]) ).

thf(799,plain,
    ( ( well_ordering @ ( inclusion_relation @ sK1_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[686]) ).

thf(800,plain,
    ! [SV61: $i] :
      ( ( ! [SY367: $i] :
            ( ~ ( ordinal @ SY367 )
            | ~ ( ~ ( ordinal @ ( sK35_C @ SY367 @ SV61 ) )
                | ~ ~ ( ~ ! [SY368: $i] :
                            ( ~ ( ordinal @ SY368 )
                            | ~ ( in @ SY368 @ SV61 )
                            | ( ordinal_subset @ ( sK35_C @ SY367 @ SV61 ) @ SY368 ) )
                      | ~ ( in @ ( sK35_C @ SY367 @ SV61 ) @ SV61 ) ) )
            | ( SV61 = empty_set )
            | ~ ( subset @ SV61 @ SY367 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[687]) ).

thf(801,plain,
    ! [SV62: $i] :
      ( ( ! [SY369: $i] :
            ~ ( ~ ! [SY370: $i,SY371: $i] :
                    ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 ) @ SY371 )
                                  | ( ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 )
                                   != SY370 ) )
                              | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 ) @ SY371 )
                                        | ( ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 )
                                         != SV62 ) )
                                    | ~ ( ~ ( in @ ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 ) @ SY371 )
                                        | ( ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 )
                                         != SY369 ) ) ) )
                        | ~ ( ( in @ ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 ) @ SY371 )
                            | ( ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 )
                              = SY370 )
                            | ( ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 )
                              = SV62 )
                            | ( ( sK32_E @ SY371 @ SY370 @ SY369 @ SV62 )
                              = SY369 ) ) )
                    | ( SY371
                      = ( unordered_triple @ SV62 @ SY369 @ SY370 ) ) )
              | ~ ! [SY372: $i,SY373: $i] :
                    ( ( SY373
                     != ( unordered_triple @ SV62 @ SY369 @ SY372 ) )
                    | ~ ( ~ ! [SY374: $i] :
                              ( ~ ( in @ SY374 @ SY373 )
                              | ( SY374 = SY372 )
                              | ( SY374 = SV62 )
                              | ( SY374 = SY369 ) )
                        | ~ ~ ( ~ ! [SX4: $i] :
                                    ( ( SX4 != SY372 )
                                    | ( in @ SX4 @ SY373 ) )
                              | ~ ~ ( ~ ! [SY376: $i] :
                                          ( ( SY376 != SV62 )
                                          | ( in @ SY376 @ SY373 ) )
                                    | ~ ! [SX4: $i] :
                                          ( ( SX4 != SY369 )
                                          | ( in @ SX4 @ SY373 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[688]) ).

thf(802,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ~ ( ~ ( ( ( sK19_B @ SX0 )
                           != ( sK20_SY279 @ SX0 ) ) )
                      | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SX0 ) @ SX0 )
                                  | ~ ( in @ ( sK20_SY279 @ SX0 ) @ SX0 ) )
                            | ~ ~ ( in @ ( sK19_B @ SX0 ) @ ( sK20_SY279 @ SX0 ) ) ) )
                | ~ ~ ( in @ ( sK20_SY279 @ SX0 ) @ ( sK19_B @ SX0 ) ) )
            | ( epsilon_connected @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( epsilon_connected @ SX0 )
            | ! [SX1: $i,SX2: $i] :
                ( ( SX1 = SX2 )
                | ~ ( in @ SX1 @ SX0 )
                | ~ ( in @ SX2 @ SX0 )
                | ( in @ SX1 @ SX2 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[689]) ).

thf(803,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK39_SY286 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
                | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
            | ( transitive @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( transitive @ SX0 )
            | ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                | ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[690]) ).

thf(804,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[691]) ).

thf(805,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( ordinal @ SX0 )
                        | ~ ( empty @ ( succ @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( ordinal @ SX0 )
                        | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_connected @ ( succ @ SX0 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( ordinal @ ( succ @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[692]) ).

thf(806,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0
             != ( union @ SX0 ) )
            | ( being_limit_ordinal @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( being_limit_ordinal @ SX0 )
            | ( SX0
              = ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[693]) ).

thf(807,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ( in @ ( sK25_B @ SX0 ) @ SX0 )
                | ~ ~ ( subset @ ( sK25_B @ SX0 ) @ SX0 ) )
            | ( epsilon_transitive @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( epsilon_transitive @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( in @ SX1 @ SX0 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[694]) ).

thf(808,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK27_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[695]) ).

thf(809,plain,
    ( ( ~ ( function @ sK10_A )
      | ~ ( relation @ sK10_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[696]) ).

thf(810,plain,
    ! [SV63: $i] :
      ( ( ! [SY378: $i] :
            ( ~ ( ~ ! [SY379: $i] :
                      ( ~ ( in @ SY379 @ SY378 )
                      | ~ ( in @ SY379 @ ( sK4_C @ SY378 @ SV63 ) ) )
                | ~ ( in @ ( sK4_C @ SY378 @ SV63 ) @ SY378 ) )
            | ~ ( in @ SV63 @ SY378 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[697]) ).

thf(811,plain,
    ! [SV64: $i] :
      ( ( ~ ( ~ ! [SY380: $i,SY381: $i] :
                  ( ~ ( relation @ SY381 )
                  | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY381 @ SY380 ) ) )
                  | ( in @ SV64 @ ( relation_field @ SY381 ) ) )
            | ~ ! [SY382: $i,SY383: $i] :
                  ( ~ ( relation @ SY383 )
                  | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY383 @ SY382 ) ) )
                  | ( in @ SV64 @ SY382 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[698]) ).

thf(812,plain,
    ( ( ~ ~ ( empty @ sK8_A )
      | ~ ( relation @ sK8_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[699]) ).

thf(813,plain,
    ! [SV65: $i] :
      ( ( ~ ( ~ ! [SY384: $i] :
                  ( ~ ( subset @ SY384 @ ( sK2_B @ SV65 ) )
                  | ( are_equipotent @ SY384 @ ( sK2_B @ SV65 ) )
                  | ( in @ SY384 @ ( sK2_B @ SV65 ) ) )
            | ~ ~ ( ~ ! [SY385: $i] :
                        ( ~ ( ~ ! [SY386: $i] :
                                  ( ~ ( subset @ SY386 @ SY385 )
                                  | ( in @ SY386 @ ( sK3_SY270 @ SY385 @ SV65 ) ) )
                            | ~ ( in @ ( sK3_SY270 @ SY385 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
                        | ~ ( in @ SY385 @ ( sK2_B @ SV65 ) ) )
                  | ~ ~ ( ~ ! [SY387: $i,SY388: $i] :
                              ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
                              | ~ ( subset @ SY388 @ SY387 )
                              | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
                        | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[700]) ).

thf(814,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ! [SX2: $i] :
                        ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX2 )
                        | ~ ( in @ SX2 @ SX0 ) )
                    | ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ~ ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY277 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK14_SY277 @ SX1 @ SX0 ) @ SX0 ) )
                    | ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( union @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( union @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ! [SX3: $i] :
                          ( ~ ( in @ SX2 @ SX3 )
                          | ~ ( in @ SX3 @ SX0 ) )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ~ ( ~ ( in @ SX2 @ ( sK12_D @ SX2 @ SX1 @ SX0 ) )
                          | ~ ( in @ ( sK12_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[701]) ).

thf(815,plain,
    ( ( ~ ( relation @ sK6_A )
      | ~ ( relation_empty_yielding @ sK6_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[702]) ).

thf(816,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK7_A )
                  | ~ ( epsilon_transitive @ sK7_A ) )
            | ~ ( epsilon_connected @ sK7_A ) )
      | ~ ( ordinal @ sK7_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[703]) ).

thf(817,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( ~ ( ordinal @ ( sK33_B @ SX0 ) )
                | ~ ~ ( ~ ( in @ ( sK33_B @ SX0 ) @ SX0 )
                      | ~ ~ ( in @ ( succ @ ( sK33_B @ SX0 ) ) @ SX0 ) ) )
            | ( being_limit_ordinal @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( being_limit_ordinal @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( ordinal @ SX1 )
                | ~ ( in @ SX1 @ SX0 )
                | ( in @ ( succ @ SX1 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[704]) ).

thf(818,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( proper_subset @ SX0 @ SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( SX0 != SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( subset @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[705]) ).

thf(819,plain,
    ( ( ~ ( empty @ sK9_A )
      | ~ ( relation @ sK9_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[706]) ).

thf(820,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_connected @ ( union @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_transitive @ ( union @ SX0 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( ordinal @ ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[707]) ).

thf(821,plain,
    ( ( ~ ~ ( ~ ( epsilon_connected @ sK49_A )
            | ~ ( epsilon_transitive @ sK49_A ) )
      | ~ ( ordinal @ sK49_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[708]) ).

thf(822,plain,
    ! [SV66: $i] :
      ( ( ! [SY389: $i] :
            ( ~ ( in @ SY389 @ SV66 )
            | ~ ( ordinal @ SY389 ) )
        | ~ ( ~ ! [SY390: $i] :
                  ( ~ ( ordinal @ SY390 )
                  | ~ ( in @ SY390 @ SV66 )
                  | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) )
            | ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                  | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[709]) ).

thf(823,plain,
    ! [SV67: $i] :
      ( ( ~ ( ~ ! [SY391: $i,SY392: $i] :
                  ( ~ ( in @ SV67 @ SY392 )
                  | ~ ( in @ SY391 @ SY392 )
                  | ( subset @ ( unordered_pair @ SV67 @ SY391 ) @ SY392 ) )
            | ~ ~ ( ~ ! [SY393: $i,SY394: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV67 @ SY393 ) @ SY394 )
                        | ( in @ SV67 @ SY394 ) )
                  | ~ ! [SY395: $i,SY396: $i] :
                        ( ~ ( subset @ ( unordered_pair @ SV67 @ SY395 ) @ SY396 )
                        | ( in @ SY395 @ SY396 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[710]) ).

thf(824,plain,
    ! [SV68: $i] :
      ( ( ! [SY397: $i] :
            ( ~ ( ordinal @ SY397 )
            | ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SY397 @ SV68 )
                                   != ( sK45_SY295 @ SY397 @ SV68 ) )
                                  | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SY397 @ SV68 )
                                               != ( sK48_SY300 @ SY397 @ SV68 ) )
                                              | ~ ( ordinal @ ( sK48_SY300 @ SY397 @ SV68 ) ) )
                                        | ~ ( in @ ( sK48_SY300 @ SY397 @ SV68 ) @ SV68 ) ) )
                            | ( ( sK44_C @ SY397 @ SV68 )
                             != ( sK46_SY299 @ SY397 @ SV68 ) ) )
                      | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SY397 @ SV68 )
                                   != ( sK47_SY303 @ SY397 @ SV68 ) )
                                  | ~ ( ordinal @ ( sK47_SY303 @ SY397 @ SV68 ) ) )
                            | ~ ( in @ ( sK47_SY303 @ SY397 @ SV68 ) @ SV68 ) ) )
                | ~ ( ( ( sK45_SY295 @ SY397 @ SV68 )
                     != ( sK46_SY299 @ SY397 @ SV68 ) ) ) )
            | ~ ( ~ ! [SY398: $i] :
                      ( ! [SX3: $i] :
                          ( ( SX3 != SY398 )
                          | ~ ( in @ SX3 @ ( succ @ SY397 ) ) )
                      | ! [SY400: $i] :
                          ( ( SY398 != SY400 )
                          | ~ ( ordinal @ SY400 )
                          | ~ ( in @ SY400 @ SV68 ) )
                      | ( in @ SY398 @ ( sK41_C @ SY397 @ SV68 ) ) )
                | ~ ! [SY401: $i] :
                      ( ~ ( in @ SY401 @ ( sK41_C @ SY397 @ SV68 ) )
                      | ~ ( ~ ~ ( ( ( sK43_E @ SY401 @ SY397 @ SV68 )
                                 != SY401 )
                                | ~ ( in @ ( sK43_E @ SY401 @ SY397 @ SV68 ) @ ( succ @ SY397 ) ) )
                          | ~ ~ ( ~ ~ ( ( SY401
                                       != ( sK42_H @ SY401 @ SY397 @ SV68 ) )
                                      | ~ ( ordinal @ ( sK42_H @ SY401 @ SY397 @ SV68 ) ) )
                                | ~ ( in @ ( sK42_H @ SY401 @ SY397 @ SV68 ) @ SV68 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[711]) ).

thf(825,plain,
    ! [SV69: $i] :
      ( ( ~ ( ~ ! [SY402: $i] :
                  ( ~ ( subset @ SV69 @ SY402 )
                  | ! [SY403: $i] : ( subset @ ( cartesian_product2 @ SV69 @ SY403 ) @ ( cartesian_product2 @ SY402 @ SY403 ) ) )
            | ~ ! [SY404: $i] :
                  ( ~ ( subset @ SV69 @ SY404 )
                  | ! [SY405: $i] : ( subset @ ( cartesian_product2 @ SY405 @ SV69 ) @ ( cartesian_product2 @ SY405 @ SY404 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[712]) ).

thf(826,plain,
    ! [SV70: $i] :
      ( ( ~ ( ~ ! [SY406: $i,SY407: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                                | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                                 != SV70 ) )
                            | ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                                | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                                 != SY406 ) ) )
                      | ~ ( ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                          | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                            = SV70 )
                          | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                            = SY406 ) ) )
                  | ( SY407
                    = ( unordered_pair @ SV70 @ SY406 ) ) )
            | ~ ! [SY408: $i,SY409: $i] :
                  ( ( SY409
                   != ( unordered_pair @ SV70 @ SY408 ) )
                  | ~ ( ~ ! [SY410: $i] :
                            ( ~ ( in @ SY410 @ SY409 )
                            | ( SY410 = SV70 )
                            | ( SY410 = SY408 ) )
                      | ~ ~ ( ~ ! [SY411: $i] :
                                  ( ( SY411 != SV70 )
                                  | ( in @ SY411 @ SY409 ) )
                            | ~ ! [SX3: $i] :
                                  ( ( SX3 != SY408 )
                                  | ( in @ SX3 @ SY409 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[713]) ).

thf(827,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( being_limit_ordinal @ SX0 )
            | ~ ( ~ ( ordinal @ ( sK50_B @ SX0 ) )
                | ( SX0
                 != ( succ @ ( sK50_B @ SX0 ) ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ! [SX1: $i] :
                ( ( SX0
                 != ( succ @ SX1 ) )
                | ~ ( ordinal @ SX1 ) )
            | ~ ( being_limit_ordinal @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[714]) ).

thf(828,plain,
    ! [SV71: $i] :
      ( ( ~ ( ~ ! [SY413: $i,SY414: $i] :
                  ( ~ ( relation @ SY414 )
                  | ~ ( in @ SV71 @ SY414 )
                  | ~ ( in @ SV71 @ ( cartesian_product2 @ SY413 @ SY413 ) )
                  | ( in @ SV71 @ ( relation_restriction @ SY414 @ SY413 ) ) )
            | ~ ~ ( ~ ! [SY415: $i,SY416: $i] :
                        ( ~ ( relation @ SY416 )
                        | ~ ( in @ SV71 @ ( relation_restriction @ SY416 @ SY415 ) )
                        | ( in @ SV71 @ SY416 ) )
                  | ~ ! [SY417: $i,SY418: $i] :
                        ( ~ ( relation @ SY418 )
                        | ~ ( in @ SV71 @ ( relation_restriction @ SY418 @ SY417 ) )
                        | ( in @ SV71 @ ( cartesian_product2 @ SY417 @ SY417 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[715]) ).

thf(829,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( epsilon_connected @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( epsilon_transitive @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( ordinal @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[716]) ).

thf(830,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( reflexive @ SX0 )
            | ~ ( transitive @ SX0 )
            | ~ ( antisymmetric @ SX0 )
            | ~ ( connected @ SX0 )
            | ~ ( well_founded_relation @ SX0 )
            | ( well_ordering @ SX0 ) )
      | ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                                    ( ~ ( relation @ SX0 )
                                    | ~ ( well_ordering @ SX0 )
                                    | ( reflexive @ SX0 ) )
                              | ~ ! [SX0: $i] :
                                    ( ~ ( relation @ SX0 )
                                    | ~ ( well_ordering @ SX0 )
                                    | ( transitive @ SX0 ) ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( relation @ SX0 )
                              | ~ ( well_ordering @ SX0 )
                              | ( antisymmetric @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( connected @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( well_founded_relation @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[717]) ).

thf(831,plain,
    ! [SV72: $i] :
      ( ( ! [SY419: $i] :
            ( ~ ( ordinal @ SY419 )
            | ~ ( ~ ! [SY420: $i] :
                      ( ! [SY421: $i] :
                          ( ( SY420 != SY421 )
                          | ~ ( ordinal @ SY421 )
                          | ~ ( in @ SY421 @ SV72 ) )
                      | ~ ( in @ SY420 @ ( succ @ SY419 ) )
                      | ( in @ SY420 @ ( sK52_C @ SY419 @ SV72 ) ) )
                | ~ ~ ( ~ ! [SY422: $i] :
                            ( ~ ( in @ SY422 @ ( sK52_C @ SY419 @ SV72 ) )
                            | ~ ( ~ ~ ( ( SY422
                                       != ( sK53_E @ SY422 @ SY419 @ SV72 ) )
                                      | ~ ( ordinal @ ( sK53_E @ SY422 @ SY419 @ SV72 ) ) )
                                | ~ ( in @ ( sK53_E @ SY422 @ SY419 @ SV72 ) @ SV72 ) ) )
                      | ~ ! [SY423: $i] :
                            ( ~ ( in @ SY423 @ ( sK52_C @ SY419 @ SV72 ) )
                            | ( in @ SY423 @ ( succ @ SY419 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[718]) ).

thf(832,plain,
    ! [SV73: $i] :
      ( ( ~ ( relation @ SV73 )
        | ~ ( ~ ! [SY424: $i] :
                  ( ~ ( relation @ SY424 )
                  | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SV73 )
                      | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SY424 ) )
                  | ( subset @ SV73 @ SY424 ) )
            | ~ ! [SY425: $i] :
                  ( ~ ( relation @ SY425 )
                  | ~ ( subset @ SV73 @ SY425 )
                  | ! [SY426: $i,SY427: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SV73 )
                      | ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SY425 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[719]) ).

thf(833,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[720]) ).

thf(834,plain,
    ! [SV74: $i] :
      ( ( ~ ( ~ ! [SY428: $i,SY429: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                          | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                          | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                                | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                            | ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                                | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) ) ) )
                  | ( SY429
                    = ( set_intersection2 @ SV74 @ SY428 ) ) )
            | ~ ! [SY430: $i,SY431: $i] :
                  ( ( SY431
                   != ( set_intersection2 @ SV74 @ SY430 ) )
                  | ~ ( ~ ! [SY432: $i] :
                            ( ~ ( in @ SY432 @ SV74 )
                            | ~ ( in @ SY432 @ SY430 )
                            | ( in @ SY432 @ SY431 ) )
                      | ~ ~ ( ~ ! [SY433: $i] :
                                  ( ~ ( in @ SY433 @ SY431 )
                                  | ( in @ SY433 @ SV74 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY431 )
                                  | ( in @ SX3 @ SY430 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[721]) ).

thf(835,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[722]) ).

thf(836,plain,
    ! [SV75: $i] :
      ( ( ~ ( ~ ! [SY435: $i,SY436: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                          | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                          | ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                                | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                            | ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                                | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) ) ) )
                  | ( SY436
                    = ( set_difference @ SV75 @ SY435 ) ) )
            | ~ ! [SY437: $i,SY438: $i] :
                  ( ( SY438
                   != ( set_difference @ SV75 @ SY437 ) )
                  | ~ ( ~ ! [SY439: $i] :
                            ( ~ ( in @ SY439 @ SV75 )
                            | ( in @ SY439 @ SY437 )
                            | ( in @ SY439 @ SY438 ) )
                      | ~ ~ ( ~ ! [SY440: $i] :
                                  ( ~ ( in @ SY440 @ SY438 )
                                  | ( in @ SY440 @ SV75 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY438 )
                                  | ~ ( in @ SX3 @ SY437 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[723]) ).

thf(837,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK31_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK31_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK29_C @ SX1 @ SX0 ) @ ( sK30_SY281 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[724]) ).

thf(838,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) ) )
            | ( SX1
              = ( powerset @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( powerset @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( subset @ SX2 @ SX0 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( subset @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(839,plain,
    ! [SV76: $i] :
      ( ( ~ ( relation @ SV76 )
        | ~ ( ~ ! [SY442: $i] :
                  ( ~ ( relation @ SY442 )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                          | ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                          | ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) ) )
                  | ( SV76 = SY442 ) )
            | ~ ! [SY443: $i] :
                  ( ~ ( relation @ SY443 )
                  | ( SV76 != SY443 )
                  | ~ ( ~ ! [SY444: $i,SY445: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SV76 )
                            | ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SY443 ) )
                      | ~ ! [SY446: $i,SY447: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SY443 )
                            | ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SV76 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[726]) ).

thf(840,plain,
    ! [SV77: $i] :
      ( ( ! [SY448: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK5_C @ SY448 @ SV77 ) @ SV77 )
                    | ~ ( in @ ( sK5_C @ SY448 @ SV77 ) @ SY448 ) )
                | ~ ( ( in @ ( sK5_C @ SY448 @ SV77 ) @ SV77 )
                    | ( in @ ( sK5_C @ SY448 @ SV77 ) @ SY448 ) ) )
            | ( SV77 = SY448 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[727]) ).

thf(841,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ ( relation_field @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[728]) ).

thf(842,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[729]) ).

thf(843,plain,
    ! [SV78: $i] :
      ( ( ~ ( ~ ( in @ ( sK51_B @ SV78 ) @ SV78 )
            | ~ ( ~ ( ordinal @ ( sK51_B @ SV78 ) )
                | ~ ( subset @ ( sK51_B @ SV78 ) @ SV78 ) ) )
        | ( ordinal @ SV78 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[730]) ).

thf(844,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( ordinal @ SX1 )
            | ~ ( ordinal_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( ordinal @ SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( ordinal_subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[731]) ).

thf(845,plain,
    ! [SV79: $i] :
      ( ( ~ ( ~ ! [SY449: $i,SY450: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                                | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 ) )
                            | ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                                | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
                      | ~ ( ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                          | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 )
                          | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
                  | ( SY450
                    = ( set_union2 @ SV79 @ SY449 ) ) )
            | ~ ! [SY451: $i,SY452: $i] :
                  ( ( SY452
                   != ( set_union2 @ SV79 @ SY451 ) )
                  | ~ ( ~ ! [SY453: $i] :
                            ( ~ ( in @ SY453 @ SY452 )
                            | ( in @ SY453 @ SV79 )
                            | ( in @ SY453 @ SY451 ) )
                      | ~ ~ ( ~ ! [SY454: $i] :
                                  ( ~ ( in @ SY454 @ SV79 )
                                  | ( in @ SY454 @ SY452 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY451 )
                                  | ( in @ SX3 @ SY452 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[732]) ).

thf(846,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SX0 ) @ ( sK37_SY285 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SX0 ) @ ( sK36_B @ SX0 ) ) @ SX0 ) )
                | ~ ( ( ( sK36_B @ SX0 )
                     != ( sK37_SY285 @ SX0 ) ) ) )
            | ( antisymmetric @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( antisymmetric @ SX0 )
            | ! [SX1: $i,SX2: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX2 @ SX1 ) @ SX0 )
                | ( SX1 = SX2 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[733]) ).

thf(847,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK28_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK28_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[734]) ).

thf(848,plain,
    ! [SV80: $i] :
      ( ( ~ ( ordinal @ SV80 )
        | ~ ( ~ ! [SY456: $i] :
                  ( ~ ( ordinal @ SY456 )
                  | ~ ( in @ SV80 @ SY456 )
                  | ( ordinal_subset @ ( succ @ SV80 ) @ SY456 ) )
            | ~ ! [SY457: $i] :
                  ( ~ ( ordinal @ SY457 )
                  | ~ ( ordinal_subset @ ( succ @ SV80 ) @ SY457 )
                  | ( in @ SV80 @ SY457 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[735]) ).

thf(849,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[736]) ).

thf(850,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[737]) ).

thf(851,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( epsilon_connected @ SX0 )
            | ~ ( epsilon_transitive @ SX0 )
            | ( ordinal @ SX0 ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_connected @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_transitive @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[738]) ).

thf(852,plain,
    ! [SV1: $i,SV81: $i] :
      ( ( ~ ( ordinal @ SV81 )
        | ~ ( in @ SV1 @ SV81 )
        | ( ordinal @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[739]) ).

thf(853,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ordinal @ SV2 ) )
        = $true )
      | ( ( ! [SY311: $i] :
              ( ~ ( ordinal @ SY311 )
              | ( in @ SV2 @ SY311 )
              | ( SV2 = SY311 )
              | ( in @ SY311 @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[740]) ).

thf(854,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ~ ( relation @ SV82 )
        | ~ ( well_ordering @ SV82 )
        | ( well_ordering @ ( relation_restriction @ SV82 @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[742]) ).

thf(855,plain,
    ! [SV6: $i] :
      ( ( ( ~ ( ordinal @ SV6 ) )
        = $true )
      | ( ( connected @ ( inclusion_relation @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[744]) ).

thf(856,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( ordinal @ SV8 ) )
        = $true )
      | ( ( well_founded_relation @ ( inclusion_relation @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[746]) ).

thf(857,plain,
    ! [SV9: $i] :
      ( ( ( ~ ( epsilon_connected @ SV9 )
          | ~ ( epsilon_transitive @ SV9 ) )
        = $true )
      | ( ( ordinal @ SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[747]) ).

thf(858,plain,
    ! [SV83: $i,SV10: $i] :
      ( ( ~ ( ordinal @ SV10 )
        | ~ ( ordinal @ SV83 )
        | ( ordinal_subset @ SV10 @ SV83 )
        | ( ordinal_subset @ SV83 @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[748]) ).

thf(859,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ordinal @ SV12 )
          | ! [B: $i] :
              ~ ( ordinal @ B ) )
        = $true )
      | ( ( ordinal_subset @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[750]) ).

thf(860,plain,
    ! [SV84: $i,SV13: $i] :
      ( ( ~ ( in @ SV13 @ SV84 )
        | ( subset @ SV13 @ ( union @ SV84 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[751]) ).

thf(861,plain,
    ! [SV15: $i,SV85: $i] :
      ( ( ~ ( relation @ SV85 )
        | ( subset @ ( relation_rng_restriction @ SV15 @ SV85 ) @ SV85 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[753]) ).

thf(862,plain,
    ! [SV86: $i,SV16: $i] :
      ( ( ! [SY458: $i,SY459: $i] :
            ( ~ ( subset @ SV16 @ SV86 )
            | ~ ( subset @ SY458 @ SY459 )
            | ( subset @ ( cartesian_product2 @ SV16 @ SY458 ) @ ( cartesian_product2 @ SV86 @ SY459 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[754]) ).

thf(863,plain,
    ! [SV87: $i,SV17: $i] :
      ( ( ~ ( subset @ SV17 @ SV87 )
        | ( ( set_union2 @ SV17 @ SV87 )
          = SV87 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[755]) ).

thf(864,plain,
    ! [SV88: $i,SV18: $i] :
      ( ( ! [SY460: $i,SY461: $i] :
            ( ~ ( relation_of2_as_subset @ SY461 @ SY460 @ SV18 )
            | ~ ( subset @ SV18 @ SV88 )
            | ( relation_of2_as_subset @ SY461 @ SY460 @ SV88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[756]) ).

thf(865,plain,
    ! [SV89: $i,SV19: $i] :
      ( ( ! [SY462: $i] :
            ( ~ ( relation @ SY462 )
            | ~ ( subset @ SV19 @ SV89 )
            | ( subset @ ( relation_inverse_image @ SY462 @ SV19 ) @ ( relation_inverse_image @ SY462 @ SV89 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[757]) ).

thf(866,plain,
    ! [SV90: $i,SV20: $i] :
      ( ( subset @ ( set_intersection2 @ SV20 @ SV90 ) @ SV20 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[758]) ).

thf(867,plain,
    ! [SV91: $i,SV21: $i] :
      ( ( ! [SY463: $i] :
            ( ~ ( subset @ SV21 @ SV91 )
            | ~ ( subset @ SV21 @ SY463 )
            | ( subset @ SV21 @ ( set_intersection2 @ SV91 @ SY463 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[759]) ).

thf(868,plain,
    ! [SV92: $i,SV22: $i] :
      ( ( ! [SY464: $i] :
            ( ~ ( subset @ SV22 @ SV92 )
            | ~ ( subset @ SV92 @ SY464 )
            | ( subset @ SV22 @ SY464 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[760]) ).

thf(869,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( epsilon_transitive @ SV23 ) )
        = $true )
      | ( ( ! [SY331: $i] :
              ( ~ ( ordinal @ SY331 )
              | ~ ( proper_subset @ SV23 @ SY331 )
              | ( in @ SV23 @ SY331 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[761]) ).

thf(870,plain,
    ! [SV93: $i,SV24: $i] :
      ( ( ! [SY465: $i] :
            ( ~ ( relation @ SY465 )
            | ( subset @ ( fiber @ ( relation_restriction @ SY465 @ SV24 ) @ SV93 ) @ ( fiber @ SY465 @ SV93 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[762]) ).

thf(871,plain,
    ! [SV25: $i,SV94: $i] :
      ( ( ~ ( relation @ SV94 )
        | ~ ( reflexive @ SV94 )
        | ( reflexive @ ( relation_restriction @ SV94 @ SV25 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[763]) ).

thf(872,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ~ ( relation @ SV95 )
        | ~ ( connected @ SV95 )
        | ( connected @ ( relation_restriction @ SV95 @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[764]) ).

thf(873,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ~ ( relation @ SV96 )
        | ~ ( transitive @ SV96 )
        | ( transitive @ ( relation_restriction @ SV96 @ SV27 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[765]) ).

thf(874,plain,
    ! [SV28: $i,SV97: $i] :
      ( ( ~ ( relation @ SV97 )
        | ~ ( antisymmetric @ SV97 )
        | ( antisymmetric @ ( relation_restriction @ SV97 @ SV28 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[766]) ).

thf(875,plain,
    ! [SV98: $i,SV29: $i] :
      ( ( ~ ( subset @ SV29 @ SV98 )
        | ! [SY466: $i] : ( subset @ ( set_intersection2 @ SV29 @ SY466 ) @ ( set_intersection2 @ SV98 @ SY466 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[767]) ).

thf(876,plain,
    ! [SV99: $i,SV30: $i] :
      ( ( ~ ( subset @ SV30 @ SV99 )
        | ( ( set_intersection2 @ SV30 @ SV99 )
          = SV30 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[768]) ).

thf(877,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ~ ( relation @ SV100 )
        | ~ ( well_founded_relation @ SV100 )
        | ( well_founded_relation @ ( relation_restriction @ SV100 @ SV32 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[770]) ).

thf(878,plain,
    ! [SV101: $i,SV33: $i] :
      ( ( ~ ( subset @ SV33 @ SV101 )
        | ! [SY467: $i] : ( subset @ ( set_difference @ SV33 @ SY467 ) @ ( set_difference @ SV101 @ SY467 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[771]) ).

thf(879,plain,
    ! [SV102: $i,SV34: $i] :
      ( ( subset @ ( set_difference @ SV34 @ SV102 ) @ SV34 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[772]) ).

thf(880,plain,
    ! [SV35: $i,SV103: $i] :
      ( ( ~ ( relation @ SV103 )
        | ~ ( subset @ SV35 @ ( relation_field @ SV103 ) )
        | ~ ( well_ordering @ SV103 )
        | ( ( relation_field @ ( relation_restriction @ SV103 @ SV35 ) )
          = SV35 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[773]) ).

thf(881,plain,
    ! [SV104: $i,SV36: $i] :
      ( ( ! [SY468: $i] :
            ( ~ ( in @ SV36 @ SV104 )
            | ~ ( in @ SV104 @ SY468 )
            | ~ ( in @ SY468 @ SV36 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[774]) ).

thf(882,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( subset @ SV37 @ empty_set ) )
        = $true )
      | ( ( SV37 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[775]) ).

thf(883,plain,
    ! [SV38: $i,SV105: $i] :
      ( ( ~ ( proper_subset @ SV105 @ SV38 )
        | ~ ( subset @ SV38 @ SV105 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[776]) ).

thf(884,plain,
    ! [SV39: $i,SV106: $i] :
      ( ( ! [SY469: $i] :
            ( ~ ( disjoint @ SV106 @ SY469 )
            | ~ ( subset @ SV39 @ SV106 )
            | ( disjoint @ SV39 @ SY469 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[777]) ).

thf(885,plain,
    ! [SV107: $i,SV40: $i] :
      ( ( ~ ( subset @ ( singleton @ SV40 ) @ ( singleton @ SV107 ) )
        | ( SV40 = SV107 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[778]) ).

thf(886,plain,
    ! [SV108: $i,SV41: $i] :
      ( ( subset @ SV41 @ ( set_union2 @ SV41 @ SV108 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[779]) ).

thf(887,plain,
    ! [SV42: $i,SV109: $i] :
      ( ( ~ ( relation @ SV109 )
        | ( subset @ ( relation_dom_restriction @ SV109 @ SV42 ) @ SV109 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[780]) ).

thf(888,plain,
    ! [SV110: $i,SV43: $i] :
      ( ( ! [SY470: $i] :
            ( ~ ( subset @ SV43 @ SV110 )
            | ~ ( subset @ SY470 @ SV110 )
            | ( subset @ ( set_union2 @ SV43 @ SY470 ) @ SV110 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[781]) ).

thf(889,plain,
    ! [SV111: $i,SV44: $i] :
      ( ( ~ ( in @ SV44 @ SV111 )
        | ( subset @ SV44 @ ( union @ SV111 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[782]) ).

thf(890,plain,
    ! [SV112: $i,SV45: $i] :
      ( ( ~ ( in @ SV45 @ SV112 )
        | ~ ( in @ SV112 @ SV45 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[783]) ).

thf(891,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( empty @ SV46 ) )
        = $true )
      | ( ( relation @ SV46 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[784]) ).

thf(892,plain,
    ! [SV47: $i] :
      ( ( ( ~ ( relation @ SV47 ) )
        = $true )
      | ( ( ! [SY358: $i] : ( relation @ ( relation_restriction @ SV47 @ SY358 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[785]) ).

thf(893,plain,
    ! [SV48: $i] :
      ( ( ( ~ ( relation @ SV48 ) )
        = $true )
      | ( ( relation @ ( relation_inverse @ SV48 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[786]) ).

thf(894,plain,
    ! [SV113: $i,SV49: $i] :
      ( ( ~ ( relation @ SV49 )
        | ~ ( relation @ SV113 )
        | ( relation @ ( relation_composition @ SV49 @ SV113 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[787]) ).

thf(895,plain,
    ! [SV51: $i] :
      ( ( ( ~ ( relation @ SV51 ) )
        = $true )
      | ( ( ! [SY360: $i] : ( relation @ ( relation_dom_restriction @ SV51 @ SY360 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[789]) ).

thf(896,plain,
    ! [SV52: $i,SV114: $i] :
      ( ( ~ ( relation @ SV114 )
        | ( relation @ ( relation_rng_restriction @ SV52 @ SV114 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[790]) ).

thf(897,plain,
    ! [SV53: $i] :
      ( ( empty @ ( succ @ SV53 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[791]) ).

thf(898,plain,
    ! [SV115: $i,SV54: $i] :
      ( ( ~ ( relation @ SV54 )
        | ~ ( relation @ SV115 )
        | ( relation @ ( set_intersection2 @ SV54 @ SV115 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[792]) ).

thf(899,plain,
    ! [SV116: $i,SV55: $i] :
      ( ( ~ ( relation @ SV55 )
        | ~ ( relation @ SV116 )
        | ( relation @ ( set_union2 @ SV55 @ SV116 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[793]) ).

thf(900,plain,
    ! [SV117: $i,SV56: $i] :
      ( ( ~ ( relation @ SV56 )
        | ~ ( relation @ SV117 )
        | ( relation @ ( set_difference @ SV56 @ SV117 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[794]) ).

thf(901,plain,
    ! [SV57: $i] :
      ( ( ( ~ ( relation @ SV57 ) )
        = $true )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV57 ) )
          = SV57 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[795]) ).

thf(902,plain,
    ! [SV118: $i,SV59: $i] :
      ( ( ~ ( in @ SV59 @ SV118 )
        | ( element @ SV59 @ SV118 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[797]) ).

thf(903,plain,
    ! [SV60: $i,SV119: $i] :
      ( ( ~ ( empty @ SV119 )
        | ~ ( in @ SV60 @ SV119 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[798]) ).

thf(904,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ~ ( ordinal @ SV120 )
        | ~ ( ~ ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
            | ~ ~ ( ~ ! [SY471: $i] :
                        ( ~ ( ordinal @ SY471 )
                        | ~ ( in @ SY471 @ SV61 )
                        | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
                  | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) ) )
        | ( SV61 = empty_set )
        | ~ ( subset @ SV61 @ SV120 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[800]) ).

thf(905,plain,
    ! [SV62: $i,SV121: $i] :
      ( ( ~ ( ~ ! [SY472: $i,SY473: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                 != SY472 ) )
                            | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                       != SV62 ) )
                                  | ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                       != SV121 ) ) ) )
                      | ~ ( ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                          | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                            = SY472 )
                          | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                            = SV62 )
                          | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                            = SV121 ) ) )
                  | ( SY473
                    = ( unordered_triple @ SV62 @ SV121 @ SY472 ) ) )
            | ~ ! [SY474: $i,SY475: $i] :
                  ( ( SY475
                   != ( unordered_triple @ SV62 @ SV121 @ SY474 ) )
                  | ~ ( ~ ! [SY476: $i] :
                            ( ~ ( in @ SY476 @ SY475 )
                            | ( SY476 = SY474 )
                            | ( SY476 = SV62 )
                            | ( SY476 = SV121 ) )
                      | ~ ~ ( ~ ! [SX4: $i] :
                                  ( ( SX4 != SY474 )
                                  | ( in @ SX4 @ SY475 ) )
                            | ~ ~ ( ~ ! [SY376: $i] :
                                        ( ( SY376 != SV62 )
                                        | ( in @ SY376 @ SY475 ) )
                                  | ~ ! [SY479: $i] :
                                        ( ( SY479 != SV121 )
                                        | ( in @ SY479 @ SY475 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[801]) ).

thf(906,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ~ ( ~ ( ( ( sK19_B @ SX0 )
                           != ( sK20_SY279 @ SX0 ) ) )
                      | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SX0 ) @ SX0 )
                                  | ~ ( in @ ( sK20_SY279 @ SX0 ) @ SX0 ) )
                            | ~ ~ ( in @ ( sK19_B @ SX0 ) @ ( sK20_SY279 @ SX0 ) ) ) )
                | ~ ~ ( in @ ( sK20_SY279 @ SX0 ) @ ( sK19_B @ SX0 ) ) )
            | ( epsilon_connected @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[802]) ).

thf(907,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( epsilon_connected @ SX0 )
            | ! [SX1: $i,SX2: $i] :
                ( ( SX1 = SX2 )
                | ~ ( in @ SX1 @ SX0 )
                | ~ ( in @ SX2 @ SX0 )
                | ( in @ SX1 @ SX2 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[802]) ).

thf(908,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK39_SY286 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
                | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
            | ( transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[803]) ).

thf(909,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( transitive @ SX0 )
            | ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                | ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[803]) ).

thf(910,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[804]) ).

thf(911,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[804]) ).

thf(912,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( ordinal @ SX0 )
                        | ~ ( empty @ ( succ @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( ordinal @ SX0 )
                        | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_connected @ ( succ @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[805]) ).

thf(913,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( ordinal @ ( succ @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[805]) ).

thf(914,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0
             != ( union @ SX0 ) )
            | ( being_limit_ordinal @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[806]) ).

thf(915,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( being_limit_ordinal @ SX0 )
            | ( SX0
              = ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[806]) ).

thf(916,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ( in @ ( sK25_B @ SX0 ) @ SX0 )
                | ~ ~ ( subset @ ( sK25_B @ SX0 ) @ SX0 ) )
            | ( epsilon_transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[807]) ).

thf(917,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( epsilon_transitive @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( in @ SX1 @ SX0 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[807]) ).

thf(918,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK27_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[808]) ).

thf(919,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[808]) ).

thf(920,plain,
    ( ( ~ ( function @ sK10_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[809]) ).

thf(921,plain,
    ( ( ~ ( relation @ sK10_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[809]) ).

thf(922,plain,
    ! [SV63: $i,SV122: $i] :
      ( ( ~ ( ~ ! [SY480: $i] :
                  ( ~ ( in @ SY480 @ SV122 )
                  | ~ ( in @ SY480 @ ( sK4_C @ SV122 @ SV63 ) ) )
            | ~ ( in @ ( sK4_C @ SV122 @ SV63 ) @ SV122 ) )
        | ~ ( in @ SV63 @ SV122 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[810]) ).

thf(923,plain,
    ! [SV64: $i] :
      ( ( ~ ! [SY380: $i,SY381: $i] :
              ( ~ ( relation @ SY381 )
              | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY381 @ SY380 ) ) )
              | ( in @ SV64 @ ( relation_field @ SY381 ) ) )
        | ~ ! [SY382: $i,SY383: $i] :
              ( ~ ( relation @ SY383 )
              | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY383 @ SY382 ) ) )
              | ( in @ SV64 @ SY382 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[811]) ).

thf(924,plain,
    ( ( ~ ~ ( empty @ sK8_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[812]) ).

thf(925,plain,
    ( ( ~ ( relation @ sK8_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[812]) ).

thf(926,plain,
    ! [SV65: $i] :
      ( ( ~ ! [SY384: $i] :
              ( ~ ( subset @ SY384 @ ( sK2_B @ SV65 ) )
              | ( are_equipotent @ SY384 @ ( sK2_B @ SV65 ) )
              | ( in @ SY384 @ ( sK2_B @ SV65 ) ) )
        | ~ ~ ( ~ ! [SY385: $i] :
                    ( ~ ( ~ ! [SY386: $i] :
                              ( ~ ( subset @ SY386 @ SY385 )
                              | ( in @ SY386 @ ( sK3_SY270 @ SY385 @ SV65 ) ) )
                        | ~ ( in @ ( sK3_SY270 @ SY385 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
                    | ~ ( in @ SY385 @ ( sK2_B @ SV65 ) ) )
              | ~ ~ ( ~ ! [SY387: $i,SY388: $i] :
                          ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
                          | ~ ( subset @ SY388 @ SY387 )
                          | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
                    | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[813]) ).

thf(927,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ! [SX2: $i] :
                        ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX2 )
                        | ~ ( in @ SX2 @ SX0 ) )
                    | ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ~ ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY277 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK14_SY277 @ SX1 @ SX0 ) @ SX0 ) )
                    | ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[814]) ).

thf(928,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( union @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ! [SX3: $i] :
                          ( ~ ( in @ SX2 @ SX3 )
                          | ~ ( in @ SX3 @ SX0 ) )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ~ ( ~ ( in @ SX2 @ ( sK12_D @ SX2 @ SX1 @ SX0 ) )
                          | ~ ( in @ ( sK12_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[814]) ).

thf(929,plain,
    ( ( ~ ( relation @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[815]) ).

thf(930,plain,
    ( ( ~ ( relation_empty_yielding @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[815]) ).

thf(931,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK7_A )
                  | ~ ( epsilon_transitive @ sK7_A ) )
            | ~ ( epsilon_connected @ sK7_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[816]) ).

thf(932,plain,
    ( ( ~ ( ordinal @ sK7_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[816]) ).

thf(933,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( ~ ( ordinal @ ( sK33_B @ SX0 ) )
                | ~ ~ ( ~ ( in @ ( sK33_B @ SX0 ) @ SX0 )
                      | ~ ~ ( in @ ( succ @ ( sK33_B @ SX0 ) ) @ SX0 ) ) )
            | ( being_limit_ordinal @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[817]) ).

thf(934,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( being_limit_ordinal @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( ordinal @ SX1 )
                | ~ ( in @ SX1 @ SX0 )
                | ( in @ ( succ @ SX1 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[817]) ).

thf(935,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( proper_subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[818]) ).

thf(936,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( SX0 != SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( proper_subset @ SX0 @ SX1 )
                  | ( subset @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[818]) ).

thf(937,plain,
    ( ( ~ ( empty @ sK9_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[819]) ).

thf(938,plain,
    ( ( ~ ( relation @ sK9_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[819]) ).

thf(939,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_connected @ ( union @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_transitive @ ( union @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[820]) ).

thf(940,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( ordinal @ ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[820]) ).

thf(941,plain,
    ( ( ~ ~ ( ~ ( epsilon_connected @ sK49_A )
            | ~ ( epsilon_transitive @ sK49_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[821]) ).

thf(942,plain,
    ( ( ~ ( ordinal @ sK49_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[821]) ).

thf(943,plain,
    ! [SV66: $i] :
      ( ( ( ! [SY389: $i] :
              ( ~ ( in @ SY389 @ SV66 )
              | ~ ( ordinal @ SY389 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY390: $i] :
                    ( ~ ( ordinal @ SY390 )
                    | ~ ( in @ SY390 @ SV66 )
                    | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) )
              | ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                    | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[822]) ).

thf(944,plain,
    ! [SV67: $i] :
      ( ( ~ ! [SY391: $i,SY392: $i] :
              ( ~ ( in @ SV67 @ SY392 )
              | ~ ( in @ SY391 @ SY392 )
              | ( subset @ ( unordered_pair @ SV67 @ SY391 ) @ SY392 ) )
        | ~ ~ ( ~ ! [SY393: $i,SY394: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV67 @ SY393 ) @ SY394 )
                    | ( in @ SV67 @ SY394 ) )
              | ~ ! [SY395: $i,SY396: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV67 @ SY395 ) @ SY396 )
                    | ( in @ SY395 @ SY396 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[823]) ).

thf(945,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ~ ( ordinal @ SV123 )
        | ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                               != ( sK45_SY295 @ SV123 @ SV68 ) )
                              | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                           != ( sK48_SY300 @ SV123 @ SV68 ) )
                                          | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                                    | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                        | ( ( sK44_C @ SV123 @ SV68 )
                         != ( sK46_SY299 @ SV123 @ SV68 ) ) )
                  | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                               != ( sK47_SY303 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
            | ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                 != ( sK46_SY299 @ SV123 @ SV68 ) ) ) )
        | ~ ( ~ ! [SY481: $i] :
                  ( ! [SY482: $i] :
                      ( ( SY482 != SY481 )
                      | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                  | ! [SY400: $i] :
                      ( ( SY481 != SY400 )
                      | ~ ( ordinal @ SY400 )
                      | ~ ( in @ SY400 @ SV68 ) )
                  | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
            | ~ ! [SY484: $i] :
                  ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                  | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                             != SY484 )
                            | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                      | ~ ~ ( ~ ~ ( ( SY484
                                   != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                  | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                            | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[824]) ).

thf(946,plain,
    ! [SV69: $i] :
      ( ( ~ ! [SY402: $i] :
              ( ~ ( subset @ SV69 @ SY402 )
              | ! [SY403: $i] : ( subset @ ( cartesian_product2 @ SV69 @ SY403 ) @ ( cartesian_product2 @ SY402 @ SY403 ) ) )
        | ~ ! [SY404: $i] :
              ( ~ ( subset @ SV69 @ SY404 )
              | ! [SY405: $i] : ( subset @ ( cartesian_product2 @ SY405 @ SV69 ) @ ( cartesian_product2 @ SY405 @ SY404 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[825]) ).

thf(947,plain,
    ! [SV70: $i] :
      ( ( ~ ! [SY406: $i,SY407: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                            | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                             != SV70 ) )
                        | ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                            | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                             != SY406 ) ) )
                  | ~ ( ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                      | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                        = SV70 )
                      | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                        = SY406 ) ) )
              | ( SY407
                = ( unordered_pair @ SV70 @ SY406 ) ) )
        | ~ ! [SY408: $i,SY409: $i] :
              ( ( SY409
               != ( unordered_pair @ SV70 @ SY408 ) )
              | ~ ( ~ ! [SY410: $i] :
                        ( ~ ( in @ SY410 @ SY409 )
                        | ( SY410 = SV70 )
                        | ( SY410 = SY408 ) )
                  | ~ ~ ( ~ ! [SY411: $i] :
                              ( ( SY411 != SV70 )
                              | ( in @ SY411 @ SY409 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY408 )
                              | ( in @ SX3 @ SY409 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[826]) ).

thf(948,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( being_limit_ordinal @ SX0 )
            | ~ ( ~ ( ordinal @ ( sK50_B @ SX0 ) )
                | ( SX0
                 != ( succ @ ( sK50_B @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[827]) ).

thf(949,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ! [SX1: $i] :
                ( ( SX0
                 != ( succ @ SX1 ) )
                | ~ ( ordinal @ SX1 ) )
            | ~ ( being_limit_ordinal @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[827]) ).

thf(950,plain,
    ! [SV71: $i] :
      ( ( ~ ! [SY413: $i,SY414: $i] :
              ( ~ ( relation @ SY414 )
              | ~ ( in @ SV71 @ SY414 )
              | ~ ( in @ SV71 @ ( cartesian_product2 @ SY413 @ SY413 ) )
              | ( in @ SV71 @ ( relation_restriction @ SY414 @ SY413 ) ) )
        | ~ ~ ( ~ ! [SY415: $i,SY416: $i] :
                    ( ~ ( relation @ SY416 )
                    | ~ ( in @ SV71 @ ( relation_restriction @ SY416 @ SY415 ) )
                    | ( in @ SV71 @ SY416 ) )
              | ~ ! [SY417: $i,SY418: $i] :
                    ( ~ ( relation @ SY418 )
                    | ~ ( in @ SV71 @ ( relation_restriction @ SY418 @ SY417 ) )
                    | ( in @ SV71 @ ( cartesian_product2 @ SY417 @ SY417 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[828]) ).

thf(951,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( epsilon_connected @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( epsilon_transitive @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[829]) ).

thf(952,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( ordinal @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[829]) ).

thf(953,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( reflexive @ SX0 )
            | ~ ( transitive @ SX0 )
            | ~ ( antisymmetric @ SX0 )
            | ~ ( connected @ SX0 )
            | ~ ( well_founded_relation @ SX0 )
            | ( well_ordering @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[830]) ).

thf(954,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                                    ( ~ ( relation @ SX0 )
                                    | ~ ( well_ordering @ SX0 )
                                    | ( reflexive @ SX0 ) )
                              | ~ ! [SX0: $i] :
                                    ( ~ ( relation @ SX0 )
                                    | ~ ( well_ordering @ SX0 )
                                    | ( transitive @ SX0 ) ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( relation @ SX0 )
                              | ~ ( well_ordering @ SX0 )
                              | ( antisymmetric @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( connected @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( well_founded_relation @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[830]) ).

thf(955,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ~ ( ordinal @ SV124 )
        | ~ ( ~ ! [SY485: $i] :
                  ( ! [SY421: $i] :
                      ( ( SY485 != SY421 )
                      | ~ ( ordinal @ SY421 )
                      | ~ ( in @ SY421 @ SV72 ) )
                  | ~ ( in @ SY485 @ ( succ @ SV124 ) )
                  | ( in @ SY485 @ ( sK52_C @ SV124 @ SV72 ) ) )
            | ~ ~ ( ~ ! [SY487: $i] :
                        ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                        | ~ ( ~ ~ ( ( SY487
                                   != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                                  | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                            | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) )
                  | ~ ! [SY488: $i] :
                        ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                        | ( in @ SY488 @ ( succ @ SV124 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[831]) ).

thf(956,plain,
    ! [SV73: $i] :
      ( ( ( ~ ( relation @ SV73 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY424: $i] :
                    ( ~ ( relation @ SY424 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SV73 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SY424 ) )
                    | ( subset @ SV73 @ SY424 ) )
              | ~ ! [SY425: $i] :
                    ( ~ ( relation @ SY425 )
                    | ~ ( subset @ SV73 @ SY425 )
                    | ! [SY426: $i,SY427: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SV73 )
                        | ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SY425 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[832]) ).

thf(957,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( in @ SX0 @ SX1 )
            | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[833]) ).

thf(958,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
            | ( in @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[833]) ).

thf(959,plain,
    ! [SV74: $i] :
      ( ( ~ ! [SY428: $i,SY429: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                      | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                      | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                            | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                        | ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                            | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) ) ) )
              | ( SY429
                = ( set_intersection2 @ SV74 @ SY428 ) ) )
        | ~ ! [SY430: $i,SY431: $i] :
              ( ( SY431
               != ( set_intersection2 @ SV74 @ SY430 ) )
              | ~ ( ~ ! [SY432: $i] :
                        ( ~ ( in @ SY432 @ SV74 )
                        | ~ ( in @ SY432 @ SY430 )
                        | ( in @ SY432 @ SY431 ) )
                  | ~ ~ ( ~ ! [SY433: $i] :
                              ( ~ ( in @ SY433 @ SY431 )
                              | ( in @ SY433 @ SV74 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY431 )
                              | ( in @ SX3 @ SY430 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[834]) ).

thf(960,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[835]) ).

thf(961,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[835]) ).

thf(962,plain,
    ! [SV75: $i] :
      ( ( ~ ! [SY435: $i,SY436: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                      | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                      | ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                            | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                        | ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                            | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) ) ) )
              | ( SY436
                = ( set_difference @ SV75 @ SY435 ) ) )
        | ~ ! [SY437: $i,SY438: $i] :
              ( ( SY438
               != ( set_difference @ SV75 @ SY437 ) )
              | ~ ( ~ ! [SY439: $i] :
                        ( ~ ( in @ SY439 @ SV75 )
                        | ( in @ SY439 @ SY437 )
                        | ( in @ SY439 @ SY438 ) )
                  | ~ ~ ( ~ ! [SY440: $i] :
                              ( ~ ( in @ SY440 @ SY438 )
                              | ( in @ SY440 @ SV75 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY438 )
                              | ~ ( in @ SX3 @ SY437 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[836]) ).

thf(963,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK31_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK31_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[837]) ).

thf(964,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK29_C @ SX1 @ SX0 ) @ ( sK30_SY281 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[837]) ).

thf(965,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) )
                | ~ ( ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                    | ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) ) )
            | ( SX1
              = ( powerset @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(966,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( powerset @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( subset @ SX2 @ SX0 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( subset @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(967,plain,
    ! [SV76: $i] :
      ( ( ( ~ ( relation @ SV76 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY442: $i] :
                    ( ~ ( relation @ SY442 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                            | ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                            | ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) ) )
                    | ( SV76 = SY442 ) )
              | ~ ! [SY443: $i] :
                    ( ~ ( relation @ SY443 )
                    | ( SV76 != SY443 )
                    | ~ ( ~ ! [SY444: $i,SY445: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SV76 )
                              | ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SY443 ) )
                        | ~ ! [SY446: $i,SY447: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SY443 )
                              | ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SV76 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[839]) ).

thf(968,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
                | ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) )
            | ~ ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
                | ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) ) )
        | ( SV77 = SV125 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[840]) ).

thf(969,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ ( relation_field @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[841]) ).

thf(970,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( relation @ SX1 )
            | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[841]) ).

thf(971,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[842]) ).

thf(972,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[842]) ).

thf(973,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK51_B @ SV78 ) @ SV78 )
              | ~ ( ~ ( ordinal @ ( sK51_B @ SV78 ) )
                  | ~ ( subset @ ( sK51_B @ SV78 ) @ SV78 ) ) ) )
        = $true )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[843]) ).

thf(974,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( ordinal @ SX1 )
            | ~ ( ordinal_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[844]) ).

thf(975,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( ordinal @ SX1 )
            | ~ ( subset @ SX0 @ SX1 )
            | ( ordinal_subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[844]) ).

thf(976,plain,
    ! [SV79: $i] :
      ( ( ~ ! [SY449: $i,SY450: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                            | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 ) )
                        | ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                            | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
                  | ~ ( ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                      | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 )
                      | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
              | ( SY450
                = ( set_union2 @ SV79 @ SY449 ) ) )
        | ~ ! [SY451: $i,SY452: $i] :
              ( ( SY452
               != ( set_union2 @ SV79 @ SY451 ) )
              | ~ ( ~ ! [SY453: $i] :
                        ( ~ ( in @ SY453 @ SY452 )
                        | ( in @ SY453 @ SV79 )
                        | ( in @ SY453 @ SY451 ) )
                  | ~ ~ ( ~ ! [SY454: $i] :
                              ( ~ ( in @ SY454 @ SV79 )
                              | ( in @ SY454 @ SY452 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY451 )
                              | ( in @ SX3 @ SY452 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[845]) ).

thf(977,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SX0 ) @ ( sK37_SY285 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SX0 ) @ ( sK36_B @ SX0 ) ) @ SX0 ) )
                | ~ ( ( ( sK36_B @ SX0 )
                     != ( sK37_SY285 @ SX0 ) ) ) )
            | ( antisymmetric @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[846]) ).

thf(978,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( antisymmetric @ SX0 )
            | ! [SX1: $i,SX2: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX2 @ SX1 ) @ SX0 )
                | ( SX1 = SX2 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[846]) ).

thf(979,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK28_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK28_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[847]) ).

thf(980,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[847]) ).

thf(981,plain,
    ! [SV80: $i] :
      ( ( ( ~ ( ordinal @ SV80 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY456: $i] :
                    ( ~ ( ordinal @ SY456 )
                    | ~ ( in @ SV80 @ SY456 )
                    | ( ordinal_subset @ ( succ @ SV80 ) @ SY456 ) )
              | ~ ! [SY457: $i] :
                    ( ~ ( ordinal @ SY457 )
                    | ~ ( ordinal_subset @ ( succ @ SV80 ) @ SY457 )
                    | ( in @ SV80 @ SY457 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[848]) ).

thf(982,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[849]) ).

thf(983,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[849]) ).

thf(984,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[850]) ).

thf(985,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[850]) ).

thf(986,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( epsilon_connected @ SX0 )
            | ~ ( epsilon_transitive @ SX0 )
            | ( ordinal @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[851]) ).

thf(987,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_connected @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_transitive @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[851]) ).

thf(988,plain,
    ! [SV1: $i,SV81: $i] :
      ( ( ( ~ ( ordinal @ SV81 ) )
        = $true )
      | ( ( ~ ( in @ SV1 @ SV81 )
          | ( ordinal @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[852]) ).

thf(989,plain,
    ! [SV2: $i] :
      ( ( ( ordinal @ SV2 )
        = $false )
      | ( ( ! [SY311: $i] :
              ( ~ ( ordinal @ SY311 )
              | ( in @ SV2 @ SY311 )
              | ( SV2 = SY311 )
              | ( in @ SY311 @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[853]) ).

thf(990,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( relation @ SV82 ) )
        = $true )
      | ( ( ~ ( well_ordering @ SV82 )
          | ( well_ordering @ ( relation_restriction @ SV82 @ SV4 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[854]) ).

thf(991,plain,
    ! [SV6: $i] :
      ( ( ( ordinal @ SV6 )
        = $false )
      | ( ( connected @ ( inclusion_relation @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[855]) ).

thf(992,plain,
    ! [SV8: $i] :
      ( ( ( ordinal @ SV8 )
        = $false )
      | ( ( well_founded_relation @ ( inclusion_relation @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[856]) ).

thf(993,plain,
    ! [SV9: $i] :
      ( ( ( ~ ( epsilon_connected @ SV9 ) )
        = $true )
      | ( ( ~ ( epsilon_transitive @ SV9 ) )
        = $true )
      | ( ( ordinal @ SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[857]) ).

thf(994,plain,
    ! [SV83: $i,SV10: $i] :
      ( ( ( ~ ( ordinal @ SV10 )
          | ~ ( ordinal @ SV83 ) )
        = $true )
      | ( ( ( ordinal_subset @ SV10 @ SV83 )
          | ( ordinal_subset @ SV83 @ SV10 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[858]) ).

thf(995,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ordinal @ SV12 ) )
        = $true )
      | ( ( ! [B: $i] :
              ~ ( ordinal @ B ) )
        = $true )
      | ( ( ordinal_subset @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[859]) ).

thf(996,plain,
    ! [SV84: $i,SV13: $i] :
      ( ( ( ~ ( in @ SV13 @ SV84 ) )
        = $true )
      | ( ( subset @ SV13 @ ( union @ SV84 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[860]) ).

thf(997,plain,
    ! [SV15: $i,SV85: $i] :
      ( ( ( ~ ( relation @ SV85 ) )
        = $true )
      | ( ( subset @ ( relation_rng_restriction @ SV15 @ SV85 ) @ SV85 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[861]) ).

thf(998,plain,
    ! [SV126: $i,SV86: $i,SV16: $i] :
      ( ( ! [SY489: $i] :
            ( ~ ( subset @ SV16 @ SV86 )
            | ~ ( subset @ SV126 @ SY489 )
            | ( subset @ ( cartesian_product2 @ SV16 @ SV126 ) @ ( cartesian_product2 @ SV86 @ SY489 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[862]) ).

thf(999,plain,
    ! [SV87: $i,SV17: $i] :
      ( ( ( ~ ( subset @ SV17 @ SV87 ) )
        = $true )
      | ( ( ( set_union2 @ SV17 @ SV87 )
          = SV87 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[863]) ).

thf(1000,plain,
    ! [SV88: $i,SV18: $i,SV127: $i] :
      ( ( ! [SY490: $i] :
            ( ~ ( relation_of2_as_subset @ SY490 @ SV127 @ SV18 )
            | ~ ( subset @ SV18 @ SV88 )
            | ( relation_of2_as_subset @ SY490 @ SV127 @ SV88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[864]) ).

thf(1001,plain,
    ! [SV89: $i,SV19: $i,SV128: $i] :
      ( ( ~ ( relation @ SV128 )
        | ~ ( subset @ SV19 @ SV89 )
        | ( subset @ ( relation_inverse_image @ SV128 @ SV19 ) @ ( relation_inverse_image @ SV128 @ SV89 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[865]) ).

thf(1002,plain,
    ! [SV129: $i,SV91: $i,SV21: $i] :
      ( ( ~ ( subset @ SV21 @ SV91 )
        | ~ ( subset @ SV21 @ SV129 )
        | ( subset @ SV21 @ ( set_intersection2 @ SV91 @ SV129 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[867]) ).

thf(1003,plain,
    ! [SV130: $i,SV92: $i,SV22: $i] :
      ( ( ~ ( subset @ SV22 @ SV92 )
        | ~ ( subset @ SV92 @ SV130 )
        | ( subset @ SV22 @ SV130 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[868]) ).

thf(1004,plain,
    ! [SV23: $i] :
      ( ( ( epsilon_transitive @ SV23 )
        = $false )
      | ( ( ! [SY331: $i] :
              ( ~ ( ordinal @ SY331 )
              | ~ ( proper_subset @ SV23 @ SY331 )
              | ( in @ SV23 @ SY331 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[869]) ).

thf(1005,plain,
    ! [SV93: $i,SV24: $i,SV131: $i] :
      ( ( ~ ( relation @ SV131 )
        | ( subset @ ( fiber @ ( relation_restriction @ SV131 @ SV24 ) @ SV93 ) @ ( fiber @ SV131 @ SV93 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[870]) ).

thf(1006,plain,
    ! [SV25: $i,SV94: $i] :
      ( ( ( ~ ( relation @ SV94 ) )
        = $true )
      | ( ( ~ ( reflexive @ SV94 )
          | ( reflexive @ ( relation_restriction @ SV94 @ SV25 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[871]) ).

thf(1007,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ( ~ ( relation @ SV95 ) )
        = $true )
      | ( ( ~ ( connected @ SV95 )
          | ( connected @ ( relation_restriction @ SV95 @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[872]) ).

thf(1008,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ( ~ ( relation @ SV96 ) )
        = $true )
      | ( ( ~ ( transitive @ SV96 )
          | ( transitive @ ( relation_restriction @ SV96 @ SV27 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[873]) ).

thf(1009,plain,
    ! [SV28: $i,SV97: $i] :
      ( ( ( ~ ( relation @ SV97 ) )
        = $true )
      | ( ( ~ ( antisymmetric @ SV97 )
          | ( antisymmetric @ ( relation_restriction @ SV97 @ SV28 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[874]) ).

thf(1010,plain,
    ! [SV98: $i,SV29: $i] :
      ( ( ( ~ ( subset @ SV29 @ SV98 ) )
        = $true )
      | ( ( ! [SY466: $i] : ( subset @ ( set_intersection2 @ SV29 @ SY466 ) @ ( set_intersection2 @ SV98 @ SY466 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[875]) ).

thf(1011,plain,
    ! [SV99: $i,SV30: $i] :
      ( ( ( ~ ( subset @ SV30 @ SV99 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV30 @ SV99 )
          = SV30 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[876]) ).

thf(1012,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ( ~ ( relation @ SV100 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV100 )
          | ( well_founded_relation @ ( relation_restriction @ SV100 @ SV32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[877]) ).

thf(1013,plain,
    ! [SV101: $i,SV33: $i] :
      ( ( ( ~ ( subset @ SV33 @ SV101 ) )
        = $true )
      | ( ( ! [SY467: $i] : ( subset @ ( set_difference @ SV33 @ SY467 ) @ ( set_difference @ SV101 @ SY467 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[878]) ).

thf(1014,plain,
    ! [SV35: $i,SV103: $i] :
      ( ( ( ~ ( relation @ SV103 ) )
        = $true )
      | ( ( ~ ( subset @ SV35 @ ( relation_field @ SV103 ) )
          | ~ ( well_ordering @ SV103 )
          | ( ( relation_field @ ( relation_restriction @ SV103 @ SV35 ) )
            = SV35 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[880]) ).

thf(1015,plain,
    ! [SV132: $i,SV104: $i,SV36: $i] :
      ( ( ~ ( in @ SV36 @ SV104 )
        | ~ ( in @ SV104 @ SV132 )
        | ~ ( in @ SV132 @ SV36 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[881]) ).

thf(1016,plain,
    ! [SV37: $i] :
      ( ( ( subset @ SV37 @ empty_set )
        = $false )
      | ( ( SV37 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[882]) ).

thf(1017,plain,
    ! [SV38: $i,SV105: $i] :
      ( ( ( ~ ( proper_subset @ SV105 @ SV38 ) )
        = $true )
      | ( ( ~ ( subset @ SV38 @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[883]) ).

thf(1018,plain,
    ! [SV39: $i,SV133: $i,SV106: $i] :
      ( ( ~ ( disjoint @ SV106 @ SV133 )
        | ~ ( subset @ SV39 @ SV106 )
        | ( disjoint @ SV39 @ SV133 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[884]) ).

thf(1019,plain,
    ! [SV107: $i,SV40: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV40 ) @ ( singleton @ SV107 ) ) )
        = $true )
      | ( ( SV40 = SV107 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[885]) ).

thf(1020,plain,
    ! [SV42: $i,SV109: $i] :
      ( ( ( ~ ( relation @ SV109 ) )
        = $true )
      | ( ( subset @ ( relation_dom_restriction @ SV109 @ SV42 ) @ SV109 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[887]) ).

thf(1021,plain,
    ! [SV134: $i,SV110: $i,SV43: $i] :
      ( ( ~ ( subset @ SV43 @ SV110 )
        | ~ ( subset @ SV134 @ SV110 )
        | ( subset @ ( set_union2 @ SV43 @ SV134 ) @ SV110 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[888]) ).

thf(1022,plain,
    ! [SV111: $i,SV44: $i] :
      ( ( ( ~ ( in @ SV44 @ SV111 ) )
        = $true )
      | ( ( subset @ SV44 @ ( union @ SV111 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[889]) ).

thf(1023,plain,
    ! [SV112: $i,SV45: $i] :
      ( ( ( ~ ( in @ SV45 @ SV112 ) )
        = $true )
      | ( ( ~ ( in @ SV112 @ SV45 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[890]) ).

thf(1024,plain,
    ! [SV46: $i] :
      ( ( ( empty @ SV46 )
        = $false )
      | ( ( relation @ SV46 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[891]) ).

thf(1025,plain,
    ! [SV47: $i] :
      ( ( ( relation @ SV47 )
        = $false )
      | ( ( ! [SY358: $i] : ( relation @ ( relation_restriction @ SV47 @ SY358 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[892]) ).

thf(1026,plain,
    ! [SV48: $i] :
      ( ( ( relation @ SV48 )
        = $false )
      | ( ( relation @ ( relation_inverse @ SV48 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[893]) ).

thf(1027,plain,
    ! [SV113: $i,SV49: $i] :
      ( ( ( ~ ( relation @ SV49 )
          | ~ ( relation @ SV113 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV49 @ SV113 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[894]) ).

thf(1028,plain,
    ! [SV51: $i] :
      ( ( ( relation @ SV51 )
        = $false )
      | ( ( ! [SY360: $i] : ( relation @ ( relation_dom_restriction @ SV51 @ SY360 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[895]) ).

thf(1029,plain,
    ! [SV52: $i,SV114: $i] :
      ( ( ( ~ ( relation @ SV114 ) )
        = $true )
      | ( ( relation @ ( relation_rng_restriction @ SV52 @ SV114 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[896]) ).

thf(1030,plain,
    ! [SV115: $i,SV54: $i] :
      ( ( ( ~ ( relation @ SV54 )
          | ~ ( relation @ SV115 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV54 @ SV115 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[898]) ).

thf(1031,plain,
    ! [SV116: $i,SV55: $i] :
      ( ( ( ~ ( relation @ SV55 )
          | ~ ( relation @ SV116 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV55 @ SV116 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[899]) ).

thf(1032,plain,
    ! [SV117: $i,SV56: $i] :
      ( ( ( ~ ( relation @ SV56 )
          | ~ ( relation @ SV117 ) )
        = $true )
      | ( ( relation @ ( set_difference @ SV56 @ SV117 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[900]) ).

thf(1033,plain,
    ! [SV57: $i] :
      ( ( ( relation @ SV57 )
        = $false )
      | ( ( ( relation_inverse @ ( relation_inverse @ SV57 ) )
          = SV57 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[901]) ).

thf(1034,plain,
    ! [SV118: $i,SV59: $i] :
      ( ( ( ~ ( in @ SV59 @ SV118 ) )
        = $true )
      | ( ( element @ SV59 @ SV118 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[902]) ).

thf(1035,plain,
    ! [SV60: $i,SV119: $i] :
      ( ( ( ~ ( empty @ SV119 ) )
        = $true )
      | ( ( ~ ( in @ SV60 @ SV119 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[903]) ).

thf(1036,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( ~ ( ordinal @ SV120 ) )
        = $true )
      | ( ( ~ ( ~ ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
              | ~ ~ ( ~ ! [SY471: $i] :
                          ( ~ ( ordinal @ SY471 )
                          | ~ ( in @ SY471 @ SV61 )
                          | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
                    | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) ) )
          | ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[904]) ).

thf(1037,plain,
    ! [SV62: $i,SV121: $i] :
      ( ( ~ ! [SY472: $i,SY473: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                            | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                             != SY472 ) )
                        | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                  | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                   != SV62 ) )
                              | ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                  | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                   != SV121 ) ) ) )
                  | ~ ( ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                        = SY472 )
                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                        = SV62 )
                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                        = SV121 ) ) )
              | ( SY473
                = ( unordered_triple @ SV62 @ SV121 @ SY472 ) ) )
        | ~ ! [SY474: $i,SY475: $i] :
              ( ( SY475
               != ( unordered_triple @ SV62 @ SV121 @ SY474 ) )
              | ~ ( ~ ! [SY476: $i] :
                        ( ~ ( in @ SY476 @ SY475 )
                        | ( SY476 = SY474 )
                        | ( SY476 = SV62 )
                        | ( SY476 = SV121 ) )
                  | ~ ~ ( ~ ! [SX4: $i] :
                              ( ( SX4 != SY474 )
                              | ( in @ SX4 @ SY475 ) )
                        | ~ ~ ( ~ ! [SY376: $i] :
                                    ( ( SY376 != SV62 )
                                    | ( in @ SY376 @ SY475 ) )
                              | ~ ! [SY479: $i] :
                                    ( ( SY479 != SV121 )
                                    | ( in @ SY479 @ SY475 ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[905]) ).

thf(1038,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ~ ( ~ ( ( ( sK19_B @ SX0 )
                         != ( sK20_SY279 @ SX0 ) ) )
                    | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SX0 ) @ SX0 )
                                | ~ ( in @ ( sK20_SY279 @ SX0 ) @ SX0 ) )
                          | ~ ~ ( in @ ( sK19_B @ SX0 ) @ ( sK20_SY279 @ SX0 ) ) ) )
              | ~ ~ ( in @ ( sK20_SY279 @ SX0 ) @ ( sK19_B @ SX0 ) ) )
          | ( epsilon_connected @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[906]) ).

thf(1039,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( epsilon_connected @ SX0 )
          | ! [SX1: $i,SX2: $i] :
              ( ( SX1 = SX2 )
              | ~ ( in @ SX1 @ SX0 )
              | ~ ( in @ SX2 @ SX0 )
              | ( in @ SX1 @ SX2 )
              | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[907]) ).

thf(1040,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK39_SY286 @ SX0 ) ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
              | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SX0 ) @ ( sK40_SY288 @ SX0 ) ) @ SX0 ) )
          | ( transitive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[908]) ).

thf(1041,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( transitive @ SX0 )
          | ! [SX1: $i,SX2: $i,SX3: $i] :
              ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
              | ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
              | ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[909]) ).

thf(1042,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[910]) ).

thf(1043,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[911]) ).

thf(1044,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( ordinal @ SX0 )
                      | ~ ( empty @ ( succ @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( ordinal @ SX0 )
                      | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_connected @ ( succ @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[912]) ).

thf(1045,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( ordinal @ ( succ @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[913]) ).

thf(1046,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0
           != ( union @ SX0 ) )
          | ( being_limit_ordinal @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[914]) ).

thf(1047,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( being_limit_ordinal @ SX0 )
          | ( SX0
            = ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[915]) ).

thf(1048,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ( in @ ( sK25_B @ SX0 ) @ SX0 )
              | ~ ~ ( subset @ ( sK25_B @ SX0 ) @ SX0 ) )
          | ( epsilon_transitive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[916]) ).

thf(1049,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( epsilon_transitive @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( in @ SX1 @ SX0 )
              | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[917]) ).

thf(1050,plain,
    ( ( ! [SX0: $i] :
          ( ( in @ ( sK27_B @ SX0 ) @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[918]) ).

thf(1051,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[919]) ).

thf(1052,plain,
    ( ( function @ sK10_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[920]) ).

thf(1053,plain,
    ( ( relation @ sK10_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[921]) ).

thf(1054,plain,
    ! [SV63: $i,SV122: $i] :
      ( ( ( ~ ( ~ ! [SY480: $i] :
                    ( ~ ( in @ SY480 @ SV122 )
                    | ~ ( in @ SY480 @ ( sK4_C @ SV122 @ SV63 ) ) )
              | ~ ( in @ ( sK4_C @ SV122 @ SV63 ) @ SV122 ) ) )
        = $true )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[922]) ).

thf(1055,plain,
    ! [SV64: $i] :
      ( ( ~ ! [SY380: $i,SY381: $i] :
              ( ~ ( relation @ SY381 )
              | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY381 @ SY380 ) ) )
              | ( in @ SV64 @ ( relation_field @ SY381 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[923]) ).

thf(1056,plain,
    ! [SV64: $i] :
      ( ( ~ ! [SY382: $i,SY383: $i] :
              ( ~ ( relation @ SY383 )
              | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY383 @ SY382 ) ) )
              | ( in @ SV64 @ SY382 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[923]) ).

thf(1057,plain,
    ( ( ~ ( empty @ sK8_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[924]) ).

thf(1058,plain,
    ( ( relation @ sK8_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[925]) ).

thf(1059,plain,
    ! [SV65: $i] :
      ( ( ~ ! [SY384: $i] :
              ( ~ ( subset @ SY384 @ ( sK2_B @ SV65 ) )
              | ( are_equipotent @ SY384 @ ( sK2_B @ SV65 ) )
              | ( in @ SY384 @ ( sK2_B @ SV65 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[926]) ).

thf(1060,plain,
    ! [SV65: $i] :
      ( ( ~ ~ ( ~ ! [SY385: $i] :
                    ( ~ ( ~ ! [SY386: $i] :
                              ( ~ ( subset @ SY386 @ SY385 )
                              | ( in @ SY386 @ ( sK3_SY270 @ SY385 @ SV65 ) ) )
                        | ~ ( in @ ( sK3_SY270 @ SY385 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
                    | ~ ( in @ SY385 @ ( sK2_B @ SV65 ) ) )
              | ~ ~ ( ~ ! [SY387: $i,SY388: $i] :
                          ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
                          | ~ ( subset @ SY388 @ SY387 )
                          | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
                    | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[926]) ).

thf(1061,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ! [SX2: $i] :
                      ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX2 )
                      | ~ ( in @ SX2 @ SX0 ) )
                  | ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ~ ( ~ ( in @ ( sK13_C @ SX1 @ SX0 ) @ ( sK14_SY277 @ SX1 @ SX0 ) )
                      | ~ ( in @ ( sK14_SY277 @ SX1 @ SX0 ) @ SX0 ) )
                  | ( in @ ( sK13_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[927]) ).

thf(1062,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( union @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ! [SX3: $i] :
                        ( ~ ( in @ SX2 @ SX3 )
                        | ~ ( in @ SX3 @ SX0 ) )
                    | ( in @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ~ ( ~ ( in @ SX2 @ ( sK12_D @ SX2 @ SX1 @ SX0 ) )
                        | ~ ( in @ ( sK12_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[928]) ).

thf(1063,plain,
    ( ( relation @ sK6_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[929]) ).

thf(1064,plain,
    ( ( relation_empty_yielding @ sK6_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[930]) ).

thf(1065,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( empty @ sK7_A )
                | ~ ( epsilon_transitive @ sK7_A ) )
          | ~ ( epsilon_connected @ sK7_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[931]) ).

thf(1066,plain,
    ( ( ordinal @ sK7_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[932]) ).

thf(1067,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ~ ( ~ ( ordinal @ ( sK33_B @ SX0 ) )
              | ~ ~ ( ~ ( in @ ( sK33_B @ SX0 ) @ SX0 )
                    | ~ ~ ( in @ ( succ @ ( sK33_B @ SX0 ) ) @ SX0 ) ) )
          | ( being_limit_ordinal @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[933]) ).

thf(1068,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ~ ( being_limit_ordinal @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ordinal @ SX1 )
              | ~ ( in @ SX1 @ SX0 )
              | ( in @ ( succ @ SX1 ) @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[934]) ).

thf(1069,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 = SX1 )
          | ~ ( subset @ SX0 @ SX1 )
          | ( proper_subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[935]) ).

thf(1070,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( proper_subset @ SX0 @ SX1 )
                | ( SX0 != SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( proper_subset @ SX0 @ SX1 )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[936]) ).

thf(1071,plain,
    ( ( empty @ sK9_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[937]) ).

thf(1072,plain,
    ( ( relation @ sK9_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[938]) ).

thf(1073,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_connected @ ( union @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_transitive @ ( union @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[939]) ).

thf(1074,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( ordinal @ ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[940]) ).

thf(1075,plain,
    ( ( ~ ( ~ ( epsilon_connected @ sK49_A )
          | ~ ( epsilon_transitive @ sK49_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[941]) ).

thf(1076,plain,
    ( ( ordinal @ sK49_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[942]) ).

thf(1077,plain,
    ! [SV66: $i,SV135: $i] :
      ( ( ( ~ ( in @ SV135 @ SV66 )
          | ~ ( ordinal @ SV135 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY390: $i] :
                    ( ~ ( ordinal @ SY390 )
                    | ~ ( in @ SY390 @ SV66 )
                    | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) )
              | ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                    | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[943]) ).

thf(1078,plain,
    ! [SV67: $i] :
      ( ( ~ ! [SY391: $i,SY392: $i] :
              ( ~ ( in @ SV67 @ SY392 )
              | ~ ( in @ SY391 @ SY392 )
              | ( subset @ ( unordered_pair @ SV67 @ SY391 ) @ SY392 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[944]) ).

thf(1079,plain,
    ! [SV67: $i] :
      ( ( ~ ~ ( ~ ! [SY393: $i,SY394: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV67 @ SY393 ) @ SY394 )
                    | ( in @ SV67 @ SY394 ) )
              | ~ ! [SY395: $i,SY396: $i] :
                    ( ~ ( subset @ ( unordered_pair @ SV67 @ SY395 ) @ SY396 )
                    | ( in @ SY395 @ SY396 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[944]) ).

thf(1080,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ordinal @ SV123 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                                 != ( sK45_SY295 @ SV123 @ SV68 ) )
                                | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                             != ( sK48_SY300 @ SV123 @ SV68 ) )
                                            | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                                      | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                          | ( ( sK44_C @ SV123 @ SV68 )
                           != ( sK46_SY299 @ SV123 @ SV68 ) ) )
                    | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                                 != ( sK47_SY303 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
              | ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                   != ( sK46_SY299 @ SV123 @ SV68 ) ) ) )
          | ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[945]) ).

thf(1081,plain,
    ! [SV69: $i] :
      ( ( ~ ! [SY402: $i] :
              ( ~ ( subset @ SV69 @ SY402 )
              | ! [SY403: $i] : ( subset @ ( cartesian_product2 @ SV69 @ SY403 ) @ ( cartesian_product2 @ SY402 @ SY403 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[946]) ).

thf(1082,plain,
    ! [SV69: $i] :
      ( ( ~ ! [SY404: $i] :
              ( ~ ( subset @ SV69 @ SY404 )
              | ! [SY405: $i] : ( subset @ ( cartesian_product2 @ SY405 @ SV69 ) @ ( cartesian_product2 @ SY405 @ SY404 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[946]) ).

thf(1083,plain,
    ! [SV70: $i] :
      ( ( ~ ! [SY406: $i,SY407: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                            | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                             != SV70 ) )
                        | ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                            | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                             != SY406 ) ) )
                  | ~ ( ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                      | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                        = SV70 )
                      | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                        = SY406 ) ) )
              | ( SY407
                = ( unordered_pair @ SV70 @ SY406 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[947]) ).

thf(1084,plain,
    ! [SV70: $i] :
      ( ( ~ ! [SY408: $i,SY409: $i] :
              ( ( SY409
               != ( unordered_pair @ SV70 @ SY408 ) )
              | ~ ( ~ ! [SY410: $i] :
                        ( ~ ( in @ SY410 @ SY409 )
                        | ( SY410 = SV70 )
                        | ( SY410 = SY408 ) )
                  | ~ ~ ( ~ ! [SY411: $i] :
                              ( ( SY411 != SV70 )
                              | ( in @ SY411 @ SY409 ) )
                        | ~ ! [SX3: $i] :
                              ( ( SX3 != SY408 )
                              | ( in @ SX3 @ SY409 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[947]) ).

thf(1085,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( being_limit_ordinal @ SX0 )
          | ~ ( ~ ( ordinal @ ( sK50_B @ SX0 ) )
              | ( SX0
               != ( succ @ ( sK50_B @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[948]) ).

thf(1086,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ! [SX1: $i] :
              ( ( SX0
               != ( succ @ SX1 ) )
              | ~ ( ordinal @ SX1 ) )
          | ~ ( being_limit_ordinal @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[949]) ).

thf(1087,plain,
    ! [SV71: $i] :
      ( ( ~ ! [SY413: $i,SY414: $i] :
              ( ~ ( relation @ SY414 )
              | ~ ( in @ SV71 @ SY414 )
              | ~ ( in @ SV71 @ ( cartesian_product2 @ SY413 @ SY413 ) )
              | ( in @ SV71 @ ( relation_restriction @ SY414 @ SY413 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[950]) ).

thf(1088,plain,
    ! [SV71: $i] :
      ( ( ~ ~ ( ~ ! [SY415: $i,SY416: $i] :
                    ( ~ ( relation @ SY416 )
                    | ~ ( in @ SV71 @ ( relation_restriction @ SY416 @ SY415 ) )
                    | ( in @ SV71 @ SY416 ) )
              | ~ ! [SY417: $i,SY418: $i] :
                    ( ~ ( relation @ SY418 )
                    | ~ ( in @ SV71 @ ( relation_restriction @ SY418 @ SY417 ) )
                    | ( in @ SV71 @ ( cartesian_product2 @ SY417 @ SY417 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[950]) ).

thf(1089,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( epsilon_connected @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( epsilon_transitive @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[951]) ).

thf(1090,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( ordinal @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[952]) ).

thf(1091,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( reflexive @ SX0 )
          | ~ ( transitive @ SX0 )
          | ~ ( antisymmetric @ SX0 )
          | ~ ( connected @ SX0 )
          | ~ ( well_founded_relation @ SX0 )
          | ( well_ordering @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[953]) ).

thf(1092,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                                  ( ~ ( relation @ SX0 )
                                  | ~ ( well_ordering @ SX0 )
                                  | ( reflexive @ SX0 ) )
                            | ~ ! [SX0: $i] :
                                  ( ~ ( relation @ SX0 )
                                  | ~ ( well_ordering @ SX0 )
                                  | ( transitive @ SX0 ) ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( relation @ SX0 )
                            | ~ ( well_ordering @ SX0 )
                            | ( antisymmetric @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( relation @ SX0 )
                      | ~ ( well_ordering @ SX0 )
                      | ( connected @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( well_ordering @ SX0 )
                | ( well_founded_relation @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[954]) ).

thf(1093,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ~ ( ordinal @ SV124 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY485: $i] :
                    ( ! [SY421: $i] :
                        ( ( SY485 != SY421 )
                        | ~ ( ordinal @ SY421 )
                        | ~ ( in @ SY421 @ SV72 ) )
                    | ~ ( in @ SY485 @ ( succ @ SV124 ) )
                    | ( in @ SY485 @ ( sK52_C @ SV124 @ SV72 ) ) )
              | ~ ~ ( ~ ! [SY487: $i] :
                          ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                          | ~ ( ~ ~ ( ( SY487
                                     != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                                    | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                              | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) )
                    | ~ ! [SY488: $i] :
                          ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                          | ( in @ SY488 @ ( succ @ SV124 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[955]) ).

thf(1094,plain,
    ! [SV73: $i] :
      ( ( ( relation @ SV73 )
        = $false )
      | ( ( ~ ( ~ ! [SY424: $i] :
                    ( ~ ( relation @ SY424 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SV73 )
                        | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SY424 ) )
                    | ( subset @ SV73 @ SY424 ) )
              | ~ ! [SY425: $i] :
                    ( ~ ( relation @ SY425 )
                    | ~ ( subset @ SV73 @ SY425 )
                    | ! [SY426: $i,SY427: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SV73 )
                        | ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SY425 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[956]) ).

thf(1095,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( subset @ ( singleton @ SX0 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[957]) ).

thf(1096,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ ( singleton @ SX0 ) @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[958]) ).

thf(1097,plain,
    ! [SV74: $i] :
      ( ( ~ ! [SY428: $i,SY429: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                      | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                      | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                            | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                        | ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                            | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) ) ) )
              | ( SY429
                = ( set_intersection2 @ SV74 @ SY428 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[959]) ).

thf(1098,plain,
    ! [SV74: $i] :
      ( ( ~ ! [SY430: $i,SY431: $i] :
              ( ( SY431
               != ( set_intersection2 @ SV74 @ SY430 ) )
              | ~ ( ~ ! [SY432: $i] :
                        ( ~ ( in @ SY432 @ SV74 )
                        | ~ ( in @ SY432 @ SY430 )
                        | ( in @ SY432 @ SY431 ) )
                  | ~ ~ ( ~ ! [SY433: $i] :
                              ( ~ ( in @ SY433 @ SY431 )
                              | ( in @ SY433 @ SV74 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY431 )
                              | ( in @ SX3 @ SY430 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[959]) ).

thf(1099,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ~ ( ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ( in @ ( sK34_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[960]) ).

thf(1100,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ~ ( in @ SX2 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[961]) ).

thf(1101,plain,
    ! [SV75: $i] :
      ( ( ~ ! [SY435: $i,SY436: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                      | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                      | ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                            | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                        | ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                            | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) ) ) )
              | ( SY436
                = ( set_difference @ SV75 @ SY435 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[962]) ).

thf(1102,plain,
    ! [SV75: $i] :
      ( ( ~ ! [SY437: $i,SY438: $i] :
              ( ( SY438
               != ( set_difference @ SV75 @ SY437 ) )
              | ~ ( ~ ! [SY439: $i] :
                        ( ~ ( in @ SY439 @ SV75 )
                        | ( in @ SY439 @ SY437 )
                        | ( in @ SY439 @ SY438 ) )
                  | ~ ~ ( ~ ! [SY440: $i] :
                              ( ~ ( in @ SY440 @ SY438 )
                              | ( in @ SY440 @ SV75 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY438 )
                              | ~ ( in @ SX3 @ SY437 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[962]) ).

thf(1103,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ( sK31_B @ SX0 )
                   != ( ordered_pair @ SX1 @ SX2 ) )
              | ~ ( in @ ( sK31_B @ SX0 ) @ SX0 ) )
          | ( relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[963]) ).

thf(1104,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ( SX1
                = ( ordered_pair @ ( sK29_C @ SX1 @ SX0 ) @ ( sK30_SY281 @ SX1 @ SX0 ) ) )
              | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[964]) ).

thf(1105,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                  | ~ ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) )
              | ~ ( ( in @ ( sK26_C @ SX1 @ SX0 ) @ SX1 )
                  | ( subset @ ( sK26_C @ SX1 @ SX0 ) @ SX0 ) ) )
          | ( SX1
            = ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[965]) ).

thf(1106,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( powerset @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ( subset @ SX2 @ SX0 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( subset @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[966]) ).

thf(1107,plain,
    ! [SV76: $i] :
      ( ( ( relation @ SV76 )
        = $false )
      | ( ( ~ ( ~ ! [SY442: $i] :
                    ( ~ ( relation @ SY442 )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                            | ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                            | ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) ) )
                    | ( SV76 = SY442 ) )
              | ~ ! [SY443: $i] :
                    ( ~ ( relation @ SY443 )
                    | ( SV76 != SY443 )
                    | ~ ( ~ ! [SY444: $i,SY445: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SV76 )
                              | ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SY443 ) )
                        | ~ ! [SY446: $i,SY447: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SY443 )
                              | ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SV76 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[967]) ).

thf(1108,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
                  | ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) )
              | ~ ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
                  | ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) ) ) )
        = $true )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[968]) ).

thf(1109,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ ( relation_field @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[969]) ).

thf(1110,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( relation @ SX1 )
          | ( subset @ ( relation_field @ ( relation_restriction @ SX1 @ SX0 ) ) @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[970]) ).

thf(1111,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[971]) ).

thf(1112,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[972]) ).

thf(1113,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( in @ ( sK51_B @ SV78 ) @ SV78 )
          | ~ ( ~ ( ordinal @ ( sK51_B @ SV78 ) )
              | ~ ( subset @ ( sK51_B @ SV78 ) @ SV78 ) ) )
        = $false )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[973]) ).

thf(1114,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ordinal @ SX0 )
          | ~ ( ordinal @ SX1 )
          | ~ ( ordinal_subset @ SX0 @ SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[974]) ).

thf(1115,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ordinal @ SX0 )
          | ~ ( ordinal @ SX1 )
          | ~ ( subset @ SX0 @ SX1 )
          | ( ordinal_subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[975]) ).

thf(1116,plain,
    ! [SV79: $i] :
      ( ( ~ ! [SY449: $i,SY450: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                            | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 ) )
                        | ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                            | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
                  | ~ ( ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                      | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 )
                      | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
              | ( SY450
                = ( set_union2 @ SV79 @ SY449 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[976]) ).

thf(1117,plain,
    ! [SV79: $i] :
      ( ( ~ ! [SY451: $i,SY452: $i] :
              ( ( SY452
               != ( set_union2 @ SV79 @ SY451 ) )
              | ~ ( ~ ! [SY453: $i] :
                        ( ~ ( in @ SY453 @ SY452 )
                        | ( in @ SY453 @ SV79 )
                        | ( in @ SY453 @ SY451 ) )
                  | ~ ~ ( ~ ! [SY454: $i] :
                              ( ~ ( in @ SY454 @ SV79 )
                              | ( in @ SY454 @ SY452 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY451 )
                              | ( in @ SX3 @ SY452 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[976]) ).

thf(1118,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SX0 ) @ ( sK37_SY285 @ SX0 ) ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SX0 ) @ ( sK36_B @ SX0 ) ) @ SX0 ) )
              | ~ ( ( ( sK36_B @ SX0 )
                   != ( sK37_SY285 @ SX0 ) ) ) )
          | ( antisymmetric @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[977]) ).

thf(1119,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( antisymmetric @ SX0 )
          | ! [SX1: $i,SX2: $i] :
              ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
              | ~ ( in @ ( ordered_pair @ SX2 @ SX1 ) @ SX0 )
              | ( SX1 = SX2 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[978]) ).

thf(1120,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ( ( sK28_C @ SX1 @ SX0 )
                   != SX0 )
                  | ~ ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( ( sK28_C @ SX1 @ SX0 )
                    = SX0 )
                  | ( in @ ( sK28_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( singleton @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[979]) ).

thf(1121,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( singleton @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ( SX2 != SX0 )
                    | ( in @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ( SX2 = SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[980]) ).

thf(1122,plain,
    ! [SV80: $i] :
      ( ( ( ordinal @ SV80 )
        = $false )
      | ( ( ~ ( ~ ! [SY456: $i] :
                    ( ~ ( ordinal @ SY456 )
                    | ~ ( in @ SV80 @ SY456 )
                    | ( ordinal_subset @ ( succ @ SV80 ) @ SY456 ) )
              | ~ ! [SY457: $i] :
                    ( ~ ( ordinal @ SY457 )
                    | ~ ( ordinal_subset @ ( succ @ SV80 ) @ SY457 )
                    | ( in @ SV80 @ SY457 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[981]) ).

thf(1123,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_connected @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[982]) ).

thf(1124,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_transitive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[983]) ).

thf(1125,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK16_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[984]) ).

thf(1126,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[985]) ).

thf(1127,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( epsilon_connected @ SX0 )
          | ~ ( epsilon_transitive @ SX0 )
          | ( ordinal @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[986]) ).

thf(1128,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_connected @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_transitive @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[987]) ).

thf(1129,plain,
    ! [SV1: $i,SV81: $i] :
      ( ( ( ordinal @ SV81 )
        = $false )
      | ( ( ~ ( in @ SV1 @ SV81 )
          | ( ordinal @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[988]) ).

thf(1130,plain,
    ! [SV2: $i,SV136: $i] :
      ( ( ( ~ ( ordinal @ SV136 )
          | ( in @ SV2 @ SV136 )
          | ( SV2 = SV136 )
          | ( in @ SV136 @ SV2 ) )
        = $true )
      | ( ( ordinal @ SV2 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[989]) ).

thf(1131,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( relation @ SV82 )
        = $false )
      | ( ( ~ ( well_ordering @ SV82 )
          | ( well_ordering @ ( relation_restriction @ SV82 @ SV4 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[990]) ).

thf(1132,plain,
    ! [SV9: $i] :
      ( ( ( epsilon_connected @ SV9 )
        = $false )
      | ( ( ~ ( epsilon_transitive @ SV9 ) )
        = $true )
      | ( ( ordinal @ SV9 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[993]) ).

thf(1133,plain,
    ! [SV83: $i,SV10: $i] :
      ( ( ( ~ ( ordinal @ SV10 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV83 ) )
        = $true )
      | ( ( ( ordinal_subset @ SV10 @ SV83 )
          | ( ordinal_subset @ SV83 @ SV10 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[994]) ).

thf(1134,plain,
    ! [SV12: $i] :
      ( ( ( ordinal @ SV12 )
        = $false )
      | ( ( ! [B: $i] :
              ~ ( ordinal @ B ) )
        = $true )
      | ( ( ordinal_subset @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[995]) ).

thf(1135,plain,
    ! [SV84: $i,SV13: $i] :
      ( ( ( in @ SV13 @ SV84 )
        = $false )
      | ( ( subset @ SV13 @ ( union @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[996]) ).

thf(1136,plain,
    ! [SV15: $i,SV85: $i] :
      ( ( ( relation @ SV85 )
        = $false )
      | ( ( subset @ ( relation_rng_restriction @ SV15 @ SV85 ) @ SV85 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[997]) ).

thf(1137,plain,
    ! [SV137: $i,SV126: $i,SV86: $i,SV16: $i] :
      ( ( ~ ( subset @ SV16 @ SV86 )
        | ~ ( subset @ SV126 @ SV137 )
        | ( subset @ ( cartesian_product2 @ SV16 @ SV126 ) @ ( cartesian_product2 @ SV86 @ SV137 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[998]) ).

thf(1138,plain,
    ! [SV87: $i,SV17: $i] :
      ( ( ( subset @ SV17 @ SV87 )
        = $false )
      | ( ( ( set_union2 @ SV17 @ SV87 )
          = SV87 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[999]) ).

thf(1139,plain,
    ! [SV88: $i,SV18: $i,SV127: $i,SV138: $i] :
      ( ( ~ ( relation_of2_as_subset @ SV138 @ SV127 @ SV18 )
        | ~ ( subset @ SV18 @ SV88 )
        | ( relation_of2_as_subset @ SV138 @ SV127 @ SV88 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1000]) ).

thf(1140,plain,
    ! [SV89: $i,SV19: $i,SV128: $i] :
      ( ( ( ~ ( relation @ SV128 ) )
        = $true )
      | ( ( ~ ( subset @ SV19 @ SV89 )
          | ( subset @ ( relation_inverse_image @ SV128 @ SV19 ) @ ( relation_inverse_image @ SV128 @ SV89 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1001]) ).

thf(1141,plain,
    ! [SV129: $i,SV91: $i,SV21: $i] :
      ( ( ( ~ ( subset @ SV21 @ SV91 )
          | ~ ( subset @ SV21 @ SV129 ) )
        = $true )
      | ( ( subset @ SV21 @ ( set_intersection2 @ SV91 @ SV129 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1002]) ).

thf(1142,plain,
    ! [SV130: $i,SV92: $i,SV22: $i] :
      ( ( ( ~ ( subset @ SV22 @ SV92 )
          | ~ ( subset @ SV92 @ SV130 ) )
        = $true )
      | ( ( subset @ SV22 @ SV130 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1003]) ).

thf(1143,plain,
    ! [SV23: $i,SV139: $i] :
      ( ( ( ~ ( ordinal @ SV139 )
          | ~ ( proper_subset @ SV23 @ SV139 )
          | ( in @ SV23 @ SV139 ) )
        = $true )
      | ( ( epsilon_transitive @ SV23 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1004]) ).

thf(1144,plain,
    ! [SV93: $i,SV24: $i,SV131: $i] :
      ( ( ( ~ ( relation @ SV131 ) )
        = $true )
      | ( ( subset @ ( fiber @ ( relation_restriction @ SV131 @ SV24 ) @ SV93 ) @ ( fiber @ SV131 @ SV93 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1005]) ).

thf(1145,plain,
    ! [SV25: $i,SV94: $i] :
      ( ( ( relation @ SV94 )
        = $false )
      | ( ( ~ ( reflexive @ SV94 )
          | ( reflexive @ ( relation_restriction @ SV94 @ SV25 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1006]) ).

thf(1146,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ( relation @ SV95 )
        = $false )
      | ( ( ~ ( connected @ SV95 )
          | ( connected @ ( relation_restriction @ SV95 @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1007]) ).

thf(1147,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ( relation @ SV96 )
        = $false )
      | ( ( ~ ( transitive @ SV96 )
          | ( transitive @ ( relation_restriction @ SV96 @ SV27 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1008]) ).

thf(1148,plain,
    ! [SV28: $i,SV97: $i] :
      ( ( ( relation @ SV97 )
        = $false )
      | ( ( ~ ( antisymmetric @ SV97 )
          | ( antisymmetric @ ( relation_restriction @ SV97 @ SV28 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1009]) ).

thf(1149,plain,
    ! [SV98: $i,SV29: $i] :
      ( ( ( subset @ SV29 @ SV98 )
        = $false )
      | ( ( ! [SY466: $i] : ( subset @ ( set_intersection2 @ SV29 @ SY466 ) @ ( set_intersection2 @ SV98 @ SY466 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1010]) ).

thf(1150,plain,
    ! [SV99: $i,SV30: $i] :
      ( ( ( subset @ SV30 @ SV99 )
        = $false )
      | ( ( ( set_intersection2 @ SV30 @ SV99 )
          = SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1011]) ).

thf(1151,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ( relation @ SV100 )
        = $false )
      | ( ( ~ ( well_founded_relation @ SV100 )
          | ( well_founded_relation @ ( relation_restriction @ SV100 @ SV32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1012]) ).

thf(1152,plain,
    ! [SV101: $i,SV33: $i] :
      ( ( ( subset @ SV33 @ SV101 )
        = $false )
      | ( ( ! [SY467: $i] : ( subset @ ( set_difference @ SV33 @ SY467 ) @ ( set_difference @ SV101 @ SY467 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1013]) ).

thf(1153,plain,
    ! [SV35: $i,SV103: $i] :
      ( ( ( relation @ SV103 )
        = $false )
      | ( ( ~ ( subset @ SV35 @ ( relation_field @ SV103 ) )
          | ~ ( well_ordering @ SV103 )
          | ( ( relation_field @ ( relation_restriction @ SV103 @ SV35 ) )
            = SV35 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1014]) ).

thf(1154,plain,
    ! [SV132: $i,SV104: $i,SV36: $i] :
      ( ( ( ~ ( in @ SV36 @ SV104 )
          | ~ ( in @ SV104 @ SV132 ) )
        = $true )
      | ( ( ~ ( in @ SV132 @ SV36 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1015]) ).

thf(1155,plain,
    ! [SV38: $i,SV105: $i] :
      ( ( ( proper_subset @ SV105 @ SV38 )
        = $false )
      | ( ( ~ ( subset @ SV38 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1017]) ).

thf(1156,plain,
    ! [SV39: $i,SV133: $i,SV106: $i] :
      ( ( ( ~ ( disjoint @ SV106 @ SV133 )
          | ~ ( subset @ SV39 @ SV106 ) )
        = $true )
      | ( ( disjoint @ SV39 @ SV133 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1018]) ).

thf(1157,plain,
    ! [SV107: $i,SV40: $i] :
      ( ( ( subset @ ( singleton @ SV40 ) @ ( singleton @ SV107 ) )
        = $false )
      | ( ( SV40 = SV107 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1019]) ).

thf(1158,plain,
    ! [SV42: $i,SV109: $i] :
      ( ( ( relation @ SV109 )
        = $false )
      | ( ( subset @ ( relation_dom_restriction @ SV109 @ SV42 ) @ SV109 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1020]) ).

thf(1159,plain,
    ! [SV134: $i,SV110: $i,SV43: $i] :
      ( ( ( ~ ( subset @ SV43 @ SV110 )
          | ~ ( subset @ SV134 @ SV110 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV43 @ SV134 ) @ SV110 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1021]) ).

thf(1160,plain,
    ! [SV111: $i,SV44: $i] :
      ( ( ( in @ SV44 @ SV111 )
        = $false )
      | ( ( subset @ SV44 @ ( union @ SV111 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1022]) ).

thf(1161,plain,
    ! [SV112: $i,SV45: $i] :
      ( ( ( in @ SV45 @ SV112 )
        = $false )
      | ( ( ~ ( in @ SV112 @ SV45 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1023]) ).

thf(1162,plain,
    ! [SV140: $i,SV47: $i] :
      ( ( ( relation @ ( relation_restriction @ SV47 @ SV140 ) )
        = $true )
      | ( ( relation @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1025]) ).

thf(1163,plain,
    ! [SV113: $i,SV49: $i] :
      ( ( ( ~ ( relation @ SV49 ) )
        = $true )
      | ( ( ~ ( relation @ SV113 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV49 @ SV113 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1027]) ).

thf(1164,plain,
    ! [SV141: $i,SV51: $i] :
      ( ( ( relation @ ( relation_dom_restriction @ SV51 @ SV141 ) )
        = $true )
      | ( ( relation @ SV51 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1028]) ).

thf(1165,plain,
    ! [SV52: $i,SV114: $i] :
      ( ( ( relation @ SV114 )
        = $false )
      | ( ( relation @ ( relation_rng_restriction @ SV52 @ SV114 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1029]) ).

thf(1166,plain,
    ! [SV115: $i,SV54: $i] :
      ( ( ( ~ ( relation @ SV54 ) )
        = $true )
      | ( ( ~ ( relation @ SV115 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV54 @ SV115 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1030]) ).

thf(1167,plain,
    ! [SV116: $i,SV55: $i] :
      ( ( ( ~ ( relation @ SV55 ) )
        = $true )
      | ( ( ~ ( relation @ SV116 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV55 @ SV116 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1031]) ).

thf(1168,plain,
    ! [SV117: $i,SV56: $i] :
      ( ( ( ~ ( relation @ SV56 ) )
        = $true )
      | ( ( ~ ( relation @ SV117 ) )
        = $true )
      | ( ( relation @ ( set_difference @ SV56 @ SV117 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1032]) ).

thf(1169,plain,
    ! [SV118: $i,SV59: $i] :
      ( ( ( in @ SV59 @ SV118 )
        = $false )
      | ( ( element @ SV59 @ SV118 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1034]) ).

thf(1170,plain,
    ! [SV60: $i,SV119: $i] :
      ( ( ( empty @ SV119 )
        = $false )
      | ( ( ~ ( in @ SV60 @ SV119 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1035]) ).

thf(1171,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( ordinal @ SV120 )
        = $false )
      | ( ( ~ ( ~ ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
              | ~ ~ ( ~ ! [SY471: $i] :
                          ( ~ ( ordinal @ SY471 )
                          | ~ ( in @ SY471 @ SV61 )
                          | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
                    | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) ) )
          | ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1036]) ).

thf(1172,plain,
    ! [SV62: $i,SV121: $i] :
      ( ( ~ ! [SY472: $i,SY473: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                            | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                             != SY472 ) )
                        | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                  | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                   != SV62 ) )
                              | ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                  | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                   != SV121 ) ) ) )
                  | ~ ( ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                        = SY472 )
                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                        = SV62 )
                      | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                        = SV121 ) ) )
              | ( SY473
                = ( unordered_triple @ SV62 @ SV121 @ SY472 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1037]) ).

thf(1173,plain,
    ! [SV121: $i,SV62: $i] :
      ( ( ~ ! [SY474: $i,SY475: $i] :
              ( ( SY475
               != ( unordered_triple @ SV62 @ SV121 @ SY474 ) )
              | ~ ( ~ ! [SY476: $i] :
                        ( ~ ( in @ SY476 @ SY475 )
                        | ( SY476 = SY474 )
                        | ( SY476 = SV62 )
                        | ( SY476 = SV121 ) )
                  | ~ ~ ( ~ ! [SX4: $i] :
                              ( ( SX4 != SY474 )
                              | ( in @ SX4 @ SY475 ) )
                        | ~ ~ ( ~ ! [SY376: $i] :
                                    ( ( SY376 != SV62 )
                                    | ( in @ SY376 @ SY475 ) )
                              | ~ ! [SY479: $i] :
                                    ( ( SY479 != SV121 )
                                    | ( in @ SY479 @ SY475 ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1037]) ).

thf(1174,plain,
    ! [SV142: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ( ( sK19_B @ SV142 )
                       != ( sK20_SY279 @ SV142 ) ) )
                  | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                              | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
                        | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) )
            | ~ ~ ( in @ ( sK20_SY279 @ SV142 ) @ ( sK19_B @ SV142 ) ) )
        | ( epsilon_connected @ SV142 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1038]) ).

thf(1175,plain,
    ! [SV143: $i] :
      ( ( ~ ( epsilon_connected @ SV143 )
        | ! [SY491: $i,SY492: $i] :
            ( ( SY491 = SY492 )
            | ~ ( in @ SY491 @ SV143 )
            | ~ ( in @ SY492 @ SV143 )
            | ( in @ SY491 @ SY492 )
            | ( in @ SY492 @ SY491 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1039]) ).

thf(1176,plain,
    ! [SV144: $i] :
      ( ( ~ ( relation @ SV144 )
        | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
                  | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
            | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
        | ( transitive @ SV144 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1040]) ).

thf(1177,plain,
    ! [SV145: $i] :
      ( ( ~ ( relation @ SV145 )
        | ~ ( transitive @ SV145 )
        | ! [SY493: $i,SY494: $i,SY495: $i] :
            ( ~ ( in @ ( ordered_pair @ SY493 @ SY494 ) @ SV145 )
            | ~ ( in @ ( ordered_pair @ SY494 @ SY495 ) @ SV145 )
            | ( in @ ( ordered_pair @ SY493 @ SY495 ) @ SV145 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1041]) ).

thf(1178,plain,
    ! [SV146: $i] :
      ( ( ! [SY496: $i] :
            ( ~ ( in @ SV146 @ SY496 )
            | ( subset @ ( singleton @ SV146 ) @ SY496 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1042]) ).

thf(1179,plain,
    ! [SV147: $i] :
      ( ( ! [SY497: $i] :
            ( ~ ( subset @ ( singleton @ SV147 ) @ SY497 )
            | ( in @ SV147 @ SY497 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1043]) ).

thf(1180,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ~ ( empty @ ( succ @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ ( succ @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1044]) ).

thf(1181,plain,
    ! [SV148: $i] :
      ( ( ~ ( ordinal @ SV148 )
        | ( ordinal @ ( succ @ SV148 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1045]) ).

thf(1182,plain,
    ! [SV149: $i] :
      ( ( ( SV149
         != ( union @ SV149 ) )
        | ( being_limit_ordinal @ SV149 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1046]) ).

thf(1183,plain,
    ! [SV150: $i] :
      ( ( ~ ( being_limit_ordinal @ SV150 )
        | ( SV150
          = ( union @ SV150 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1047]) ).

thf(1184,plain,
    ! [SV151: $i] :
      ( ( ~ ( ~ ( in @ ( sK25_B @ SV151 ) @ SV151 )
            | ~ ~ ( subset @ ( sK25_B @ SV151 ) @ SV151 ) )
        | ( epsilon_transitive @ SV151 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1048]) ).

thf(1185,plain,
    ! [SV152: $i] :
      ( ( ~ ( epsilon_transitive @ SV152 )
        | ! [SY498: $i] :
            ( ~ ( in @ SY498 @ SV152 )
            | ( subset @ SY498 @ SV152 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1049]) ).

thf(1186,plain,
    ! [SV153: $i] :
      ( ( ( in @ ( sK27_B @ SV153 ) @ SV153 )
        | ( SV153 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1050]) ).

thf(1187,plain,
    ! [SV154: $i] :
      ( ( ( SV154 != empty_set )
        | ! [SY499: $i] :
            ~ ( in @ SY499 @ SV154 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1051]) ).

thf(1188,plain,
    ! [SV63: $i,SV122: $i] :
      ( ( ( ~ ! [SY480: $i] :
                ( ~ ( in @ SY480 @ SV122 )
                | ~ ( in @ SY480 @ ( sK4_C @ SV122 @ SV63 ) ) )
          | ~ ( in @ ( sK4_C @ SV122 @ SV63 ) @ SV122 ) )
        = $false )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1054]) ).

thf(1189,plain,
    ! [SV64: $i] :
      ( ( ! [SY380: $i,SY381: $i] :
            ( ~ ( relation @ SY381 )
            | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY381 @ SY380 ) ) )
            | ( in @ SV64 @ ( relation_field @ SY381 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1055]) ).

thf(1190,plain,
    ! [SV64: $i] :
      ( ( ! [SY382: $i,SY383: $i] :
            ( ~ ( relation @ SY383 )
            | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY383 @ SY382 ) ) )
            | ( in @ SV64 @ SY382 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1056]) ).

thf(1191,plain,
    ( ( empty @ sK8_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1057]) ).

thf(1192,plain,
    ! [SV65: $i] :
      ( ( ! [SY384: $i] :
            ( ~ ( subset @ SY384 @ ( sK2_B @ SV65 ) )
            | ( are_equipotent @ SY384 @ ( sK2_B @ SV65 ) )
            | ( in @ SY384 @ ( sK2_B @ SV65 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1059]) ).

thf(1193,plain,
    ! [SV65: $i] :
      ( ( ~ ( ~ ! [SY385: $i] :
                  ( ~ ( ~ ! [SY386: $i] :
                            ( ~ ( subset @ SY386 @ SY385 )
                            | ( in @ SY386 @ ( sK3_SY270 @ SY385 @ SV65 ) ) )
                      | ~ ( in @ ( sK3_SY270 @ SY385 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
                  | ~ ( in @ SY385 @ ( sK2_B @ SV65 ) ) )
            | ~ ~ ( ~ ! [SY387: $i,SY388: $i] :
                        ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
                        | ~ ( subset @ SY388 @ SY387 )
                        | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
                  | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1060]) ).

thf(1194,plain,
    ! [SV155: $i] :
      ( ( ! [SY500: $i] :
            ( ~ ( ~ ( ! [SY501: $i] :
                        ( ~ ( in @ ( sK13_C @ SY500 @ SV155 ) @ SY501 )
                        | ~ ( in @ SY501 @ SV155 ) )
                    | ~ ( in @ ( sK13_C @ SY500 @ SV155 ) @ SY500 ) )
                | ~ ( ~ ( ~ ( in @ ( sK13_C @ SY500 @ SV155 ) @ ( sK14_SY277 @ SY500 @ SV155 ) )
                        | ~ ( in @ ( sK14_SY277 @ SY500 @ SV155 ) @ SV155 ) )
                    | ( in @ ( sK13_C @ SY500 @ SV155 ) @ SY500 ) ) )
            | ( SY500
              = ( union @ SV155 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1061]) ).

thf(1195,plain,
    ! [SV156: $i] :
      ( ( ! [SY502: $i] :
            ( ( SY502
             != ( union @ SV156 ) )
            | ~ ( ~ ! [SY503: $i] :
                      ( ! [SY504: $i] :
                          ( ~ ( in @ SY503 @ SY504 )
                          | ~ ( in @ SY504 @ SV156 ) )
                      | ( in @ SY503 @ SY502 ) )
                | ~ ! [SY505: $i] :
                      ( ~ ( in @ SY505 @ SY502 )
                      | ~ ( ~ ( in @ SY505 @ ( sK12_D @ SY505 @ SY502 @ SV156 ) )
                          | ~ ( in @ ( sK12_D @ SY505 @ SY502 @ SV156 ) @ SV156 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1062]) ).

thf(1196,plain,
    ( ( ~ ~ ( ~ ~ ( empty @ sK7_A )
            | ~ ( epsilon_transitive @ sK7_A ) )
      | ~ ( epsilon_connected @ sK7_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1065]) ).

thf(1197,plain,
    ! [SV157: $i] :
      ( ( ~ ( ordinal @ SV157 )
        | ~ ( ~ ( ordinal @ ( sK33_B @ SV157 ) )
            | ~ ~ ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
                  | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) ) )
        | ( being_limit_ordinal @ SV157 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1067]) ).

thf(1198,plain,
    ! [SV158: $i] :
      ( ( ~ ( ordinal @ SV158 )
        | ~ ( being_limit_ordinal @ SV158 )
        | ! [SY506: $i] :
            ( ~ ( ordinal @ SY506 )
            | ~ ( in @ SY506 @ SV158 )
            | ( in @ ( succ @ SY506 ) @ SV158 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1068]) ).

thf(1199,plain,
    ! [SV159: $i] :
      ( ( ! [SY507: $i] :
            ( ( SV159 = SY507 )
            | ~ ( subset @ SV159 @ SY507 )
            | ( proper_subset @ SV159 @ SY507 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1069]) ).

thf(1200,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( SX0 != SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1070]) ).

thf(1201,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ ( union @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1073]) ).

thf(1202,plain,
    ! [SV160: $i] :
      ( ( ~ ( ordinal @ SV160 )
        | ( ordinal @ ( union @ SV160 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1074]) ).

thf(1203,plain,
    ( ( ~ ( epsilon_connected @ sK49_A )
      | ~ ( epsilon_transitive @ sK49_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1075]) ).

thf(1204,plain,
    ! [SV66: $i,SV135: $i] :
      ( ( ( ~ ( in @ SV135 @ SV66 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV135 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY390: $i] :
                    ( ~ ( ordinal @ SY390 )
                    | ~ ( in @ SY390 @ SV66 )
                    | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) )
              | ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                    | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1077]) ).

thf(1205,plain,
    ! [SV67: $i] :
      ( ( ! [SY391: $i,SY392: $i] :
            ( ~ ( in @ SV67 @ SY392 )
            | ~ ( in @ SY391 @ SY392 )
            | ( subset @ ( unordered_pair @ SV67 @ SY391 ) @ SY392 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1078]) ).

thf(1206,plain,
    ! [SV67: $i] :
      ( ( ~ ( ~ ! [SY393: $i,SY394: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV67 @ SY393 ) @ SY394 )
                  | ( in @ SV67 @ SY394 ) )
            | ~ ! [SY395: $i,SY396: $i] :
                  ( ~ ( subset @ ( unordered_pair @ SV67 @ SY395 ) @ SY396 )
                  | ( in @ SY395 @ SY396 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1079]) ).

thf(1207,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ordinal @ SV123 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                                 != ( sK45_SY295 @ SV123 @ SV68 ) )
                                | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                             != ( sK48_SY300 @ SV123 @ SV68 ) )
                                            | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                                      | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                          | ( ( sK44_C @ SV123 @ SV68 )
                           != ( sK46_SY299 @ SV123 @ SV68 ) ) )
                    | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                                 != ( sK47_SY303 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
              | ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                   != ( sK46_SY299 @ SV123 @ SV68 ) ) ) )
          | ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1080]) ).

thf(1208,plain,
    ! [SV69: $i] :
      ( ( ! [SY402: $i] :
            ( ~ ( subset @ SV69 @ SY402 )
            | ! [SY403: $i] : ( subset @ ( cartesian_product2 @ SV69 @ SY403 ) @ ( cartesian_product2 @ SY402 @ SY403 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1081]) ).

thf(1209,plain,
    ! [SV69: $i] :
      ( ( ! [SY404: $i] :
            ( ~ ( subset @ SV69 @ SY404 )
            | ! [SY405: $i] : ( subset @ ( cartesian_product2 @ SY405 @ SV69 ) @ ( cartesian_product2 @ SY405 @ SY404 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1082]) ).

thf(1210,plain,
    ! [SV70: $i] :
      ( ( ! [SY406: $i,SY407: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                          | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                           != SV70 ) )
                      | ~ ( ~ ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                          | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                           != SY406 ) ) )
                | ~ ( ( in @ ( sK22_D @ SY407 @ SY406 @ SV70 ) @ SY407 )
                    | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                      = SV70 )
                    | ( ( sK22_D @ SY407 @ SY406 @ SV70 )
                      = SY406 ) ) )
            | ( SY407
              = ( unordered_pair @ SV70 @ SY406 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1083]) ).

thf(1211,plain,
    ! [SV70: $i] :
      ( ( ! [SY408: $i,SY409: $i] :
            ( ( SY409
             != ( unordered_pair @ SV70 @ SY408 ) )
            | ~ ( ~ ! [SY410: $i] :
                      ( ~ ( in @ SY410 @ SY409 )
                      | ( SY410 = SV70 )
                      | ( SY410 = SY408 ) )
                | ~ ~ ( ~ ! [SY411: $i] :
                            ( ( SY411 != SV70 )
                            | ( in @ SY411 @ SY409 ) )
                      | ~ ! [SX3: $i] :
                            ( ( SX3 != SY408 )
                            | ( in @ SX3 @ SY409 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1084]) ).

thf(1212,plain,
    ! [SV161: $i] :
      ( ( ~ ( ordinal @ SV161 )
        | ( being_limit_ordinal @ SV161 )
        | ~ ( ~ ( ordinal @ ( sK50_B @ SV161 ) )
            | ( SV161
             != ( succ @ ( sK50_B @ SV161 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1085]) ).

thf(1213,plain,
    ! [SV162: $i] :
      ( ( ~ ( ordinal @ SV162 )
        | ! [SY508: $i] :
            ( ( SV162
             != ( succ @ SY508 ) )
            | ~ ( ordinal @ SY508 ) )
        | ~ ( being_limit_ordinal @ SV162 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1086]) ).

thf(1214,plain,
    ! [SV71: $i] :
      ( ( ! [SY413: $i,SY414: $i] :
            ( ~ ( relation @ SY414 )
            | ~ ( in @ SV71 @ SY414 )
            | ~ ( in @ SV71 @ ( cartesian_product2 @ SY413 @ SY413 ) )
            | ( in @ SV71 @ ( relation_restriction @ SY414 @ SY413 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1087]) ).

thf(1215,plain,
    ! [SV71: $i] :
      ( ( ~ ( ~ ! [SY415: $i,SY416: $i] :
                  ( ~ ( relation @ SY416 )
                  | ~ ( in @ SV71 @ ( relation_restriction @ SY416 @ SY415 ) )
                  | ( in @ SV71 @ SY416 ) )
            | ~ ! [SY417: $i,SY418: $i] :
                  ( ~ ( relation @ SY418 )
                  | ~ ( in @ SV71 @ ( relation_restriction @ SY418 @ SY417 ) )
                  | ( in @ SV71 @ ( cartesian_product2 @ SY417 @ SY417 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1088]) ).

thf(1216,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( epsilon_connected @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( epsilon_transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1089]) ).

thf(1217,plain,
    ! [SV163: $i] :
      ( ( ~ ( empty @ SV163 )
        | ( ordinal @ SV163 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1090]) ).

thf(1218,plain,
    ! [SV164: $i] :
      ( ( ~ ( relation @ SV164 )
        | ~ ( reflexive @ SV164 )
        | ~ ( transitive @ SV164 )
        | ~ ( antisymmetric @ SV164 )
        | ~ ( connected @ SV164 )
        | ~ ( well_founded_relation @ SV164 )
        | ( well_ordering @ SV164 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1091]) ).

thf(1219,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                              ( ~ ( relation @ SX0 )
                              | ~ ( well_ordering @ SX0 )
                              | ( reflexive @ SX0 ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( relation @ SX0 )
                              | ~ ( well_ordering @ SX0 )
                              | ( transitive @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( antisymmetric @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( connected @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( well_founded_relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1092]) ).

thf(1220,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ordinal @ SV124 )
        = $false )
      | ( ( ~ ( ~ ! [SY485: $i] :
                    ( ! [SY421: $i] :
                        ( ( SY485 != SY421 )
                        | ~ ( ordinal @ SY421 )
                        | ~ ( in @ SY421 @ SV72 ) )
                    | ~ ( in @ SY485 @ ( succ @ SV124 ) )
                    | ( in @ SY485 @ ( sK52_C @ SV124 @ SV72 ) ) )
              | ~ ~ ( ~ ! [SY487: $i] :
                          ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                          | ~ ( ~ ~ ( ( SY487
                                     != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                                    | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                              | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) )
                    | ~ ! [SY488: $i] :
                          ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                          | ( in @ SY488 @ ( succ @ SV124 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1093]) ).

thf(1221,plain,
    ! [SV73: $i] :
      ( ( ( ~ ! [SY424: $i] :
                ( ~ ( relation @ SY424 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SV73 )
                    | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SY424 ) )
                | ( subset @ SV73 @ SY424 ) )
          | ~ ! [SY425: $i] :
                ( ~ ( relation @ SY425 )
                | ~ ( subset @ SV73 @ SY425 )
                | ! [SY426: $i,SY427: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SV73 )
                    | ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SY425 ) ) ) )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1094]) ).

thf(1222,plain,
    ! [SV165: $i] :
      ( ( ! [SY509: $i] :
            ( ~ ( in @ SV165 @ SY509 )
            | ( subset @ ( singleton @ SV165 ) @ SY509 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1095]) ).

thf(1223,plain,
    ! [SV166: $i] :
      ( ( ! [SY510: $i] :
            ( ~ ( subset @ ( singleton @ SV166 ) @ SY510 )
            | ( in @ SV166 @ SY510 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1096]) ).

thf(1224,plain,
    ! [SV74: $i] :
      ( ( ! [SY428: $i,SY429: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                    | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                    | ~ ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SV74 )
                          | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) )
                      | ~ ( ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY428 )
                          | ( in @ ( sK15_D @ SY429 @ SY428 @ SV74 ) @ SY429 ) ) ) )
            | ( SY429
              = ( set_intersection2 @ SV74 @ SY428 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1097]) ).

thf(1225,plain,
    ! [SV74: $i] :
      ( ( ! [SY430: $i,SY431: $i] :
            ( ( SY431
             != ( set_intersection2 @ SV74 @ SY430 ) )
            | ~ ( ~ ! [SY432: $i] :
                      ( ~ ( in @ SY432 @ SV74 )
                      | ~ ( in @ SY432 @ SY430 )
                      | ( in @ SY432 @ SY431 ) )
                | ~ ~ ( ~ ! [SY433: $i] :
                            ( ~ ( in @ SY433 @ SY431 )
                            | ( in @ SY433 @ SV74 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY431 )
                            | ( in @ SX3 @ SY430 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1098]) ).

thf(1226,plain,
    ! [SV167: $i] :
      ( ( ! [SY511: $i] :
            ( ( disjoint @ SV167 @ SY511 )
            | ~ ( ~ ( in @ ( sK34_C @ SY511 @ SV167 ) @ SV167 )
                | ~ ( in @ ( sK34_C @ SY511 @ SV167 ) @ SY511 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1099]) ).

thf(1227,plain,
    ! [SV168: $i] :
      ( ( ! [SY512: $i] :
            ( ! [SY513: $i] :
                ( ~ ( in @ SY513 @ SV168 )
                | ~ ( in @ SY513 @ SY512 ) )
            | ~ ( disjoint @ SV168 @ SY512 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1100]) ).

thf(1228,plain,
    ! [SV75: $i] :
      ( ( ! [SY435: $i,SY436: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                    | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                    | ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                | ~ ~ ( ~ ( ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SV75 )
                          | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) )
                      | ~ ( ~ ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY435 )
                          | ( in @ ( sK11_D @ SY436 @ SY435 @ SV75 ) @ SY436 ) ) ) )
            | ( SY436
              = ( set_difference @ SV75 @ SY435 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1101]) ).

thf(1229,plain,
    ! [SV75: $i] :
      ( ( ! [SY437: $i,SY438: $i] :
            ( ( SY438
             != ( set_difference @ SV75 @ SY437 ) )
            | ~ ( ~ ! [SY439: $i] :
                      ( ~ ( in @ SY439 @ SV75 )
                      | ( in @ SY439 @ SY437 )
                      | ( in @ SY439 @ SY438 ) )
                | ~ ~ ( ~ ! [SY440: $i] :
                            ( ~ ( in @ SY440 @ SY438 )
                            | ( in @ SY440 @ SV75 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY438 )
                            | ~ ( in @ SX3 @ SY437 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1102]) ).

thf(1230,plain,
    ! [SV169: $i] :
      ( ( ~ ( ~ ! [SY514: $i,SY515: $i] :
                  ( ( sK31_B @ SV169 )
                 != ( ordered_pair @ SY514 @ SY515 ) )
            | ~ ( in @ ( sK31_B @ SV169 ) @ SV169 ) )
        | ( relation @ SV169 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1103]) ).

thf(1231,plain,
    ! [SV170: $i] :
      ( ( ~ ( relation @ SV170 )
        | ! [SY516: $i] :
            ( ( SY516
              = ( ordered_pair @ ( sK29_C @ SY516 @ SV170 ) @ ( sK30_SY281 @ SY516 @ SV170 ) ) )
            | ~ ( in @ SY516 @ SV170 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1104]) ).

thf(1232,plain,
    ! [SV171: $i] :
      ( ( ! [SY517: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK26_C @ SY517 @ SV171 ) @ SY517 )
                    | ~ ( subset @ ( sK26_C @ SY517 @ SV171 ) @ SV171 ) )
                | ~ ( ( in @ ( sK26_C @ SY517 @ SV171 ) @ SY517 )
                    | ( subset @ ( sK26_C @ SY517 @ SV171 ) @ SV171 ) ) )
            | ( SY517
              = ( powerset @ SV171 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1105]) ).

thf(1233,plain,
    ! [SV172: $i] :
      ( ( ! [SY518: $i] :
            ( ( SY518
             != ( powerset @ SV172 ) )
            | ~ ( ~ ! [SY519: $i] :
                      ( ~ ( in @ SY519 @ SY518 )
                      | ( subset @ SY519 @ SV172 ) )
                | ~ ! [SY520: $i] :
                      ( ~ ( subset @ SY520 @ SV172 )
                      | ( in @ SY520 @ SY518 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1106]) ).

thf(1234,plain,
    ! [SV76: $i] :
      ( ( ( ~ ! [SY442: $i] :
                ( ~ ( relation @ SY442 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                        | ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                        | ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) ) )
                | ( SV76 = SY442 ) )
          | ~ ! [SY443: $i] :
                ( ~ ( relation @ SY443 )
                | ( SV76 != SY443 )
                | ~ ( ~ ! [SY444: $i,SY445: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SV76 )
                          | ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SY443 ) )
                    | ~ ! [SY446: $i,SY447: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SY443 )
                          | ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SV76 ) ) ) ) )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1107]) ).

thf(1235,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
              | ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) )
          | ~ ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
              | ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) ) )
        = $false )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1108]) ).

thf(1236,plain,
    ! [SV173: $i] :
      ( ( ! [SY521: $i] :
            ( ~ ( relation @ SY521 )
            | ( subset @ ( relation_field @ ( relation_restriction @ SY521 @ SV173 ) ) @ ( relation_field @ SY521 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1109]) ).

thf(1237,plain,
    ! [SV174: $i] :
      ( ( ! [SY522: $i] :
            ( ~ ( relation @ SY522 )
            | ( subset @ ( relation_field @ ( relation_restriction @ SY522 @ SV174 ) ) @ SV174 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1110]) ).

thf(1238,plain,
    ! [SV175: $i] :
      ( ( ! [SY523: $i] :
            ( ~ ( subset @ SV175 @ SY523 )
            | ~ ( subset @ SY523 @ SV175 )
            | ( SV175 = SY523 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1111]) ).

thf(1239,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1112]) ).

thf(1240,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( in @ ( sK51_B @ SV78 ) @ SV78 ) )
        = $false )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1113]) ).

thf(1241,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( ~ ( ordinal @ ( sK51_B @ SV78 ) )
              | ~ ( subset @ ( sK51_B @ SV78 ) @ SV78 ) ) )
        = $false )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1113]) ).

thf(1242,plain,
    ! [SV176: $i] :
      ( ( ! [SY524: $i] :
            ( ~ ( ordinal @ SV176 )
            | ~ ( ordinal @ SY524 )
            | ~ ( ordinal_subset @ SV176 @ SY524 )
            | ( subset @ SV176 @ SY524 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1114]) ).

thf(1243,plain,
    ! [SV177: $i] :
      ( ( ! [SY525: $i] :
            ( ~ ( ordinal @ SV177 )
            | ~ ( ordinal @ SY525 )
            | ~ ( subset @ SV177 @ SY525 )
            | ( ordinal_subset @ SV177 @ SY525 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1115]) ).

thf(1244,plain,
    ! [SV79: $i] :
      ( ( ! [SY449: $i,SY450: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                          | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 ) )
                      | ~ ( ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                          | ~ ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
                | ~ ( ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY450 )
                    | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SV79 )
                    | ( in @ ( sK21_D @ SY450 @ SY449 @ SV79 ) @ SY449 ) ) )
            | ( SY450
              = ( set_union2 @ SV79 @ SY449 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1116]) ).

thf(1245,plain,
    ! [SV79: $i] :
      ( ( ! [SY451: $i,SY452: $i] :
            ( ( SY452
             != ( set_union2 @ SV79 @ SY451 ) )
            | ~ ( ~ ! [SY453: $i] :
                      ( ~ ( in @ SY453 @ SY452 )
                      | ( in @ SY453 @ SV79 )
                      | ( in @ SY453 @ SY451 ) )
                | ~ ~ ( ~ ! [SY454: $i] :
                            ( ~ ( in @ SY454 @ SV79 )
                            | ( in @ SY454 @ SY452 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY451 )
                            | ( in @ SX3 @ SY452 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1117]) ).

thf(1246,plain,
    ! [SV178: $i] :
      ( ( ~ ( relation @ SV178 )
        | ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
                  | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) )
            | ~ ( ( ( sK36_B @ SV178 )
                 != ( sK37_SY285 @ SV178 ) ) ) )
        | ( antisymmetric @ SV178 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1118]) ).

thf(1247,plain,
    ! [SV179: $i] :
      ( ( ~ ( relation @ SV179 )
        | ~ ( antisymmetric @ SV179 )
        | ! [SY526: $i,SY527: $i] :
            ( ~ ( in @ ( ordered_pair @ SY526 @ SY527 ) @ SV179 )
            | ~ ( in @ ( ordered_pair @ SY527 @ SY526 ) @ SV179 )
            | ( SY526 = SY527 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1119]) ).

thf(1248,plain,
    ! [SV180: $i] :
      ( ( ! [SY528: $i] :
            ( ~ ( ~ ( ( ( sK28_C @ SY528 @ SV180 )
                     != SV180 )
                    | ~ ( in @ ( sK28_C @ SY528 @ SV180 ) @ SY528 ) )
                | ~ ( ( ( sK28_C @ SY528 @ SV180 )
                      = SV180 )
                    | ( in @ ( sK28_C @ SY528 @ SV180 ) @ SY528 ) ) )
            | ( SY528
              = ( singleton @ SV180 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1120]) ).

thf(1249,plain,
    ! [SV181: $i] :
      ( ( ! [SY529: $i] :
            ( ( SY529
             != ( singleton @ SV181 ) )
            | ~ ( ~ ! [SY530: $i] :
                      ( ( SY530 != SV181 )
                      | ( in @ SY530 @ SY529 ) )
                | ~ ! [SY531: $i] :
                      ( ~ ( in @ SY531 @ SY529 )
                      | ( SY531 = SV181 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1121]) ).

thf(1250,plain,
    ! [SV80: $i] :
      ( ( ( ~ ! [SY456: $i] :
                ( ~ ( ordinal @ SY456 )
                | ~ ( in @ SV80 @ SY456 )
                | ( ordinal_subset @ ( succ @ SV80 ) @ SY456 ) )
          | ~ ! [SY457: $i] :
                ( ~ ( ordinal @ SY457 )
                | ~ ( ordinal_subset @ ( succ @ SV80 ) @ SY457 )
                | ( in @ SV80 @ SY457 ) ) )
        = $false )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1122]) ).

thf(1251,plain,
    ! [SV182: $i] :
      ( ( ~ ( ordinal @ SV182 )
        | ( epsilon_connected @ SV182 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1123]) ).

thf(1252,plain,
    ! [SV183: $i] :
      ( ( ~ ( ordinal @ SV183 )
        | ( epsilon_transitive @ SV183 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1124]) ).

thf(1253,plain,
    ! [SV184: $i] :
      ( ( ! [SY532: $i] :
            ( ~ ( ~ ( in @ ( sK16_C @ SY532 @ SV184 ) @ SV184 )
                | ~ ~ ( in @ ( sK16_C @ SY532 @ SV184 ) @ SY532 ) )
            | ( subset @ SV184 @ SY532 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1125]) ).

thf(1254,plain,
    ! [SV185: $i] :
      ( ( ! [SY533: $i] :
            ( ~ ( subset @ SV185 @ SY533 )
            | ! [SY534: $i] :
                ( ~ ( in @ SY534 @ SV185 )
                | ( in @ SY534 @ SY533 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1126]) ).

thf(1255,plain,
    ! [SV186: $i] :
      ( ( ~ ( epsilon_connected @ SV186 )
        | ~ ( epsilon_transitive @ SV186 )
        | ( ordinal @ SV186 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1127]) ).

thf(1256,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1128]) ).

thf(1257,plain,
    ! [SV81: $i,SV1: $i] :
      ( ( ( ~ ( in @ SV1 @ SV81 ) )
        = $true )
      | ( ( ordinal @ SV1 )
        = $true )
      | ( ( ordinal @ SV81 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1129]) ).

thf(1258,plain,
    ! [SV2: $i,SV136: $i] :
      ( ( ( ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( ( in @ SV2 @ SV136 )
          | ( SV2 = SV136 )
          | ( in @ SV136 @ SV2 ) )
        = $true )
      | ( ( ordinal @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1130]) ).

thf(1259,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( well_ordering @ SV82 ) )
        = $true )
      | ( ( well_ordering @ ( relation_restriction @ SV82 @ SV4 ) )
        = $true )
      | ( ( relation @ SV82 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1131]) ).

thf(1260,plain,
    ! [SV9: $i] :
      ( ( ( epsilon_transitive @ SV9 )
        = $false )
      | ( ( epsilon_connected @ SV9 )
        = $false )
      | ( ( ordinal @ SV9 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1132]) ).

thf(1261,plain,
    ! [SV83: $i,SV10: $i] :
      ( ( ( ordinal @ SV10 )
        = $false )
      | ( ( ~ ( ordinal @ SV83 ) )
        = $true )
      | ( ( ( ordinal_subset @ SV10 @ SV83 )
          | ( ordinal_subset @ SV83 @ SV10 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1133]) ).

thf(1262,plain,
    ! [SV12: $i,SV187: $i] :
      ( ( ( ~ ( ordinal @ SV187 ) )
        = $true )
      | ( ( ordinal @ SV12 )
        = $false )
      | ( ( ordinal_subset @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1134]) ).

thf(1263,plain,
    ! [SV137: $i,SV126: $i,SV86: $i,SV16: $i] :
      ( ( ( ~ ( subset @ SV16 @ SV86 )
          | ~ ( subset @ SV126 @ SV137 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV16 @ SV126 ) @ ( cartesian_product2 @ SV86 @ SV137 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1137]) ).

thf(1264,plain,
    ! [SV88: $i,SV18: $i,SV127: $i,SV138: $i] :
      ( ( ( ~ ( relation_of2_as_subset @ SV138 @ SV127 @ SV18 ) )
        = $true )
      | ( ( ~ ( subset @ SV18 @ SV88 )
          | ( relation_of2_as_subset @ SV138 @ SV127 @ SV88 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1139]) ).

thf(1265,plain,
    ! [SV89: $i,SV19: $i,SV128: $i] :
      ( ( ( relation @ SV128 )
        = $false )
      | ( ( ~ ( subset @ SV19 @ SV89 )
          | ( subset @ ( relation_inverse_image @ SV128 @ SV19 ) @ ( relation_inverse_image @ SV128 @ SV89 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1140]) ).

thf(1266,plain,
    ! [SV129: $i,SV91: $i,SV21: $i] :
      ( ( ( ~ ( subset @ SV21 @ SV91 ) )
        = $true )
      | ( ( ~ ( subset @ SV21 @ SV129 ) )
        = $true )
      | ( ( subset @ SV21 @ ( set_intersection2 @ SV91 @ SV129 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1141]) ).

thf(1267,plain,
    ! [SV130: $i,SV92: $i,SV22: $i] :
      ( ( ( ~ ( subset @ SV22 @ SV92 ) )
        = $true )
      | ( ( ~ ( subset @ SV92 @ SV130 ) )
        = $true )
      | ( ( subset @ SV22 @ SV130 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1142]) ).

thf(1268,plain,
    ! [SV23: $i,SV139: $i] :
      ( ( ( ~ ( ordinal @ SV139 ) )
        = $true )
      | ( ( ~ ( proper_subset @ SV23 @ SV139 )
          | ( in @ SV23 @ SV139 ) )
        = $true )
      | ( ( epsilon_transitive @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1143]) ).

thf(1269,plain,
    ! [SV93: $i,SV24: $i,SV131: $i] :
      ( ( ( relation @ SV131 )
        = $false )
      | ( ( subset @ ( fiber @ ( relation_restriction @ SV131 @ SV24 ) @ SV93 ) @ ( fiber @ SV131 @ SV93 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1144]) ).

thf(1270,plain,
    ! [SV25: $i,SV94: $i] :
      ( ( ( ~ ( reflexive @ SV94 ) )
        = $true )
      | ( ( reflexive @ ( relation_restriction @ SV94 @ SV25 ) )
        = $true )
      | ( ( relation @ SV94 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1145]) ).

thf(1271,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ( ~ ( connected @ SV95 ) )
        = $true )
      | ( ( connected @ ( relation_restriction @ SV95 @ SV26 ) )
        = $true )
      | ( ( relation @ SV95 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1146]) ).

thf(1272,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ( ~ ( transitive @ SV96 ) )
        = $true )
      | ( ( transitive @ ( relation_restriction @ SV96 @ SV27 ) )
        = $true )
      | ( ( relation @ SV96 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1147]) ).

thf(1273,plain,
    ! [SV28: $i,SV97: $i] :
      ( ( ( ~ ( antisymmetric @ SV97 ) )
        = $true )
      | ( ( antisymmetric @ ( relation_restriction @ SV97 @ SV28 ) )
        = $true )
      | ( ( relation @ SV97 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1148]) ).

thf(1274,plain,
    ! [SV98: $i,SV188: $i,SV29: $i] :
      ( ( ( subset @ ( set_intersection2 @ SV29 @ SV188 ) @ ( set_intersection2 @ SV98 @ SV188 ) )
        = $true )
      | ( ( subset @ SV29 @ SV98 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1149]) ).

thf(1275,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ( ~ ( well_founded_relation @ SV100 ) )
        = $true )
      | ( ( well_founded_relation @ ( relation_restriction @ SV100 @ SV32 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1151]) ).

thf(1276,plain,
    ! [SV101: $i,SV189: $i,SV33: $i] :
      ( ( ( subset @ ( set_difference @ SV33 @ SV189 ) @ ( set_difference @ SV101 @ SV189 ) )
        = $true )
      | ( ( subset @ SV33 @ SV101 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1152]) ).

thf(1277,plain,
    ! [SV103: $i,SV35: $i] :
      ( ( ( ~ ( subset @ SV35 @ ( relation_field @ SV103 ) )
          | ~ ( well_ordering @ SV103 ) )
        = $true )
      | ( ( ( relation_field @ ( relation_restriction @ SV103 @ SV35 ) )
          = SV35 )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1153]) ).

thf(1278,plain,
    ! [SV132: $i,SV104: $i,SV36: $i] :
      ( ( ( ~ ( in @ SV36 @ SV104 ) )
        = $true )
      | ( ( ~ ( in @ SV104 @ SV132 ) )
        = $true )
      | ( ( ~ ( in @ SV132 @ SV36 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1154]) ).

thf(1279,plain,
    ! [SV105: $i,SV38: $i] :
      ( ( ( subset @ SV38 @ SV105 )
        = $false )
      | ( ( proper_subset @ SV105 @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1155]) ).

thf(1280,plain,
    ! [SV39: $i,SV133: $i,SV106: $i] :
      ( ( ( ~ ( disjoint @ SV106 @ SV133 ) )
        = $true )
      | ( ( ~ ( subset @ SV39 @ SV106 ) )
        = $true )
      | ( ( disjoint @ SV39 @ SV133 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1156]) ).

thf(1281,plain,
    ! [SV134: $i,SV110: $i,SV43: $i] :
      ( ( ( ~ ( subset @ SV43 @ SV110 ) )
        = $true )
      | ( ( ~ ( subset @ SV134 @ SV110 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV43 @ SV134 ) @ SV110 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1159]) ).

thf(1282,plain,
    ! [SV45: $i,SV112: $i] :
      ( ( ( in @ SV112 @ SV45 )
        = $false )
      | ( ( in @ SV45 @ SV112 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1161]) ).

thf(1283,plain,
    ! [SV113: $i,SV49: $i] :
      ( ( ( relation @ SV49 )
        = $false )
      | ( ( ~ ( relation @ SV113 ) )
        = $true )
      | ( ( relation @ ( relation_composition @ SV49 @ SV113 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1163]) ).

thf(1284,plain,
    ! [SV115: $i,SV54: $i] :
      ( ( ( relation @ SV54 )
        = $false )
      | ( ( ~ ( relation @ SV115 ) )
        = $true )
      | ( ( relation @ ( set_intersection2 @ SV54 @ SV115 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1166]) ).

thf(1285,plain,
    ! [SV116: $i,SV55: $i] :
      ( ( ( relation @ SV55 )
        = $false )
      | ( ( ~ ( relation @ SV116 ) )
        = $true )
      | ( ( relation @ ( set_union2 @ SV55 @ SV116 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1167]) ).

thf(1286,plain,
    ! [SV117: $i,SV56: $i] :
      ( ( ( relation @ SV56 )
        = $false )
      | ( ( ~ ( relation @ SV117 ) )
        = $true )
      | ( ( relation @ ( set_difference @ SV56 @ SV117 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1168]) ).

thf(1287,plain,
    ! [SV119: $i,SV60: $i] :
      ( ( ( in @ SV60 @ SV119 )
        = $false )
      | ( ( empty @ SV119 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1170]) ).

thf(1288,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( ~ ( ~ ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
              | ~ ~ ( ~ ! [SY471: $i] :
                          ( ~ ( ordinal @ SY471 )
                          | ~ ( in @ SY471 @ SV61 )
                          | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
                    | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) ) ) )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1171]) ).

thf(1289,plain,
    ! [SV62: $i,SV121: $i] :
      ( ( ! [SY472: $i,SY473: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                          | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                           != SY472 ) )
                      | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                 != SV62 ) )
                            | ~ ( ~ ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                                | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                                 != SV121 ) ) ) )
                | ~ ( ( in @ ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 ) @ SY473 )
                    | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                      = SY472 )
                    | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                      = SV62 )
                    | ( ( sK32_E @ SY473 @ SY472 @ SV121 @ SV62 )
                      = SV121 ) ) )
            | ( SY473
              = ( unordered_triple @ SV62 @ SV121 @ SY472 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1172]) ).

thf(1290,plain,
    ! [SV121: $i,SV62: $i] :
      ( ( ! [SY474: $i,SY475: $i] :
            ( ( SY475
             != ( unordered_triple @ SV62 @ SV121 @ SY474 ) )
            | ~ ( ~ ! [SY476: $i] :
                      ( ~ ( in @ SY476 @ SY475 )
                      | ( SY476 = SY474 )
                      | ( SY476 = SV62 )
                      | ( SY476 = SV121 ) )
                | ~ ~ ( ~ ! [SX4: $i] :
                            ( ( SX4 != SY474 )
                            | ( in @ SX4 @ SY475 ) )
                      | ~ ~ ( ~ ! [SY376: $i] :
                                  ( ( SY376 != SV62 )
                                  | ( in @ SY376 @ SY475 ) )
                            | ~ ! [SY479: $i] :
                                  ( ( SY479 != SV121 )
                                  | ( in @ SY479 @ SY475 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1173]) ).

thf(1291,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( ( sK19_B @ SV142 )
                         != ( sK20_SY279 @ SV142 ) ) )
                    | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                                | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
                          | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) )
              | ~ ~ ( in @ ( sK20_SY279 @ SV142 ) @ ( sK19_B @ SV142 ) ) ) )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1174]) ).

thf(1292,plain,
    ! [SV143: $i] :
      ( ( ( ~ ( epsilon_connected @ SV143 ) )
        = $true )
      | ( ( ! [SY491: $i,SY492: $i] :
              ( ( SY491 = SY492 )
              | ~ ( in @ SY491 @ SV143 )
              | ~ ( in @ SY492 @ SV143 )
              | ( in @ SY491 @ SY492 )
              | ( in @ SY492 @ SY491 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1175]) ).

thf(1293,plain,
    ! [SV144: $i] :
      ( ( ( ~ ( relation @ SV144 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
                    | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
              | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
          | ( transitive @ SV144 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1176]) ).

thf(1294,plain,
    ! [SV145: $i] :
      ( ( ( ~ ( relation @ SV145 ) )
        = $true )
      | ( ( ~ ( transitive @ SV145 )
          | ! [SY493: $i,SY494: $i,SY495: $i] :
              ( ~ ( in @ ( ordered_pair @ SY493 @ SY494 ) @ SV145 )
              | ~ ( in @ ( ordered_pair @ SY494 @ SY495 ) @ SV145 )
              | ( in @ ( ordered_pair @ SY493 @ SY495 ) @ SV145 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1177]) ).

thf(1295,plain,
    ! [SV190: $i,SV146: $i] :
      ( ( ~ ( in @ SV146 @ SV190 )
        | ( subset @ ( singleton @ SV146 ) @ SV190 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1178]) ).

thf(1296,plain,
    ! [SV191: $i,SV147: $i] :
      ( ( ~ ( subset @ ( singleton @ SV147 ) @ SV191 )
        | ( in @ SV147 @ SV191 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1179]) ).

thf(1297,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ~ ( empty @ ( succ @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( ordinal @ SX0 )
                  | ( epsilon_transitive @ ( succ @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1180]) ).

thf(1298,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ ( succ @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1180]) ).

thf(1299,plain,
    ! [SV148: $i] :
      ( ( ( ~ ( ordinal @ SV148 ) )
        = $true )
      | ( ( ordinal @ ( succ @ SV148 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1181]) ).

thf(1300,plain,
    ! [SV149: $i] :
      ( ( ( ( SV149
           != ( union @ SV149 ) ) )
        = $true )
      | ( ( being_limit_ordinal @ SV149 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1182]) ).

thf(1301,plain,
    ! [SV150: $i] :
      ( ( ( ~ ( being_limit_ordinal @ SV150 ) )
        = $true )
      | ( ( SV150
          = ( union @ SV150 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1183]) ).

thf(1302,plain,
    ! [SV151: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK25_B @ SV151 ) @ SV151 )
              | ~ ~ ( subset @ ( sK25_B @ SV151 ) @ SV151 ) ) )
        = $true )
      | ( ( epsilon_transitive @ SV151 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1184]) ).

thf(1303,plain,
    ! [SV152: $i] :
      ( ( ( ~ ( epsilon_transitive @ SV152 ) )
        = $true )
      | ( ( ! [SY498: $i] :
              ( ~ ( in @ SY498 @ SV152 )
              | ( subset @ SY498 @ SV152 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1185]) ).

thf(1304,plain,
    ! [SV153: $i] :
      ( ( ( in @ ( sK27_B @ SV153 ) @ SV153 )
        = $true )
      | ( ( SV153 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1186]) ).

thf(1305,plain,
    ! [SV154: $i] :
      ( ( ( ( SV154 != empty_set ) )
        = $true )
      | ( ( ! [SY499: $i] :
              ~ ( in @ SY499 @ SV154 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1187]) ).

thf(1306,plain,
    ! [SV63: $i,SV122: $i] :
      ( ( ( ~ ! [SY480: $i] :
                ( ~ ( in @ SY480 @ SV122 )
                | ~ ( in @ SY480 @ ( sK4_C @ SV122 @ SV63 ) ) ) )
        = $false )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1188]) ).

thf(1307,plain,
    ! [SV63: $i,SV122: $i] :
      ( ( ( ~ ( in @ ( sK4_C @ SV122 @ SV63 ) @ SV122 ) )
        = $false )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1188]) ).

thf(1308,plain,
    ! [SV192: $i,SV64: $i] :
      ( ( ! [SY535: $i] :
            ( ~ ( relation @ SY535 )
            | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY535 @ SV192 ) ) )
            | ( in @ SV64 @ ( relation_field @ SY535 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1189]) ).

thf(1309,plain,
    ! [SV193: $i,SV64: $i] :
      ( ( ! [SY536: $i] :
            ( ~ ( relation @ SY536 )
            | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SY536 @ SV193 ) ) )
            | ( in @ SV64 @ SV193 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1190]) ).

thf(1310,plain,
    ! [SV65: $i,SV194: $i] :
      ( ( ~ ( subset @ SV194 @ ( sK2_B @ SV65 ) )
        | ( are_equipotent @ SV194 @ ( sK2_B @ SV65 ) )
        | ( in @ SV194 @ ( sK2_B @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1192]) ).

thf(1311,plain,
    ! [SV65: $i] :
      ( ( ~ ! [SY385: $i] :
              ( ~ ( ~ ! [SY386: $i] :
                        ( ~ ( subset @ SY386 @ SY385 )
                        | ( in @ SY386 @ ( sK3_SY270 @ SY385 @ SV65 ) ) )
                  | ~ ( in @ ( sK3_SY270 @ SY385 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
              | ~ ( in @ SY385 @ ( sK2_B @ SV65 ) ) )
        | ~ ~ ( ~ ! [SY387: $i,SY388: $i] :
                    ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
                    | ~ ( subset @ SY388 @ SY387 )
                    | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
              | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1193]) ).

thf(1312,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ~ ( ~ ( ! [SY537: $i] :
                    ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SY537 )
                    | ~ ( in @ SY537 @ SV155 ) )
                | ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
            | ~ ( ~ ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
                    | ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) )
                | ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) ) )
        | ( SV195
          = ( union @ SV155 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1194]) ).

thf(1313,plain,
    ! [SV156: $i,SV196: $i] :
      ( ( ( SV196
         != ( union @ SV156 ) )
        | ~ ( ~ ! [SY538: $i] :
                  ( ! [SY504: $i] :
                      ( ~ ( in @ SY538 @ SY504 )
                      | ~ ( in @ SY504 @ SV156 ) )
                  | ( in @ SY538 @ SV196 ) )
            | ~ ! [SY540: $i] :
                  ( ~ ( in @ SY540 @ SV196 )
                  | ~ ( ~ ( in @ SY540 @ ( sK12_D @ SY540 @ SV196 @ SV156 ) )
                      | ~ ( in @ ( sK12_D @ SY540 @ SV196 @ SV156 ) @ SV156 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1195]) ).

thf(1314,plain,
    ( ( ~ ~ ( ~ ~ ( empty @ sK7_A )
            | ~ ( epsilon_transitive @ sK7_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1196]) ).

thf(1315,plain,
    ( ( ~ ( epsilon_connected @ sK7_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1196]) ).

thf(1316,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( ordinal @ SV157 ) )
        = $true )
      | ( ( ~ ( ~ ( ordinal @ ( sK33_B @ SV157 ) )
              | ~ ~ ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
                    | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) ) )
          | ( being_limit_ordinal @ SV157 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1197]) ).

thf(1317,plain,
    ! [SV158: $i] :
      ( ( ( ~ ( ordinal @ SV158 ) )
        = $true )
      | ( ( ~ ( being_limit_ordinal @ SV158 )
          | ! [SY506: $i] :
              ( ~ ( ordinal @ SY506 )
              | ~ ( in @ SY506 @ SV158 )
              | ( in @ ( succ @ SY506 ) @ SV158 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1198]) ).

thf(1318,plain,
    ! [SV197: $i,SV159: $i] :
      ( ( ( SV159 = SV197 )
        | ~ ( subset @ SV159 @ SV197 )
        | ( proper_subset @ SV159 @ SV197 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1199]) ).

thf(1319,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1200]) ).

thf(1320,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( proper_subset @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1200]) ).

thf(1321,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1201]) ).

thf(1322,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ ( union @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1201]) ).

thf(1323,plain,
    ! [SV160: $i] :
      ( ( ( ~ ( ordinal @ SV160 ) )
        = $true )
      | ( ( ordinal @ ( union @ SV160 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1202]) ).

thf(1324,plain,
    ( ( ~ ( epsilon_connected @ sK49_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1203]) ).

thf(1325,plain,
    ( ( ~ ( epsilon_transitive @ sK49_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1203]) ).

thf(1326,plain,
    ! [SV66: $i,SV135: $i] :
      ( ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ~ ( ordinal @ SV135 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY390: $i] :
                    ( ~ ( ordinal @ SY390 )
                    | ~ ( in @ SY390 @ SV66 )
                    | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) )
              | ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                    | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1204]) ).

thf(1327,plain,
    ! [SV198: $i,SV67: $i] :
      ( ( ! [SY541: $i] :
            ( ~ ( in @ SV67 @ SY541 )
            | ~ ( in @ SV198 @ SY541 )
            | ( subset @ ( unordered_pair @ SV67 @ SV198 ) @ SY541 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1205]) ).

thf(1328,plain,
    ! [SV67: $i] :
      ( ( ~ ! [SY393: $i,SY394: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV67 @ SY393 ) @ SY394 )
              | ( in @ SV67 @ SY394 ) )
        | ~ ! [SY395: $i,SY396: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV67 @ SY395 ) @ SY396 )
              | ( in @ SY395 @ SY396 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1206]) ).

thf(1329,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                                 != ( sK45_SY295 @ SV123 @ SV68 ) )
                                | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                             != ( sK48_SY300 @ SV123 @ SV68 ) )
                                            | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                                      | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                          | ( ( sK44_C @ SV123 @ SV68 )
                           != ( sK46_SY299 @ SV123 @ SV68 ) ) )
                    | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                                 != ( sK47_SY303 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
              | ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                   != ( sK46_SY299 @ SV123 @ SV68 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1207]) ).

thf(1330,plain,
    ! [SV199: $i,SV69: $i] :
      ( ( ~ ( subset @ SV69 @ SV199 )
        | ! [SY542: $i] : ( subset @ ( cartesian_product2 @ SV69 @ SY542 ) @ ( cartesian_product2 @ SV199 @ SY542 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1208]) ).

thf(1331,plain,
    ! [SV200: $i,SV69: $i] :
      ( ( ~ ( subset @ SV69 @ SV200 )
        | ! [SY543: $i] : ( subset @ ( cartesian_product2 @ SY543 @ SV69 ) @ ( cartesian_product2 @ SY543 @ SV200 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1209]) ).

thf(1332,plain,
    ! [SV70: $i,SV201: $i] :
      ( ( ! [SY544: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SY544 @ SV201 @ SV70 ) @ SY544 )
                          | ( ( sK22_D @ SY544 @ SV201 @ SV70 )
                           != SV70 ) )
                      | ~ ( ~ ( in @ ( sK22_D @ SY544 @ SV201 @ SV70 ) @ SY544 )
                          | ( ( sK22_D @ SY544 @ SV201 @ SV70 )
                           != SV201 ) ) )
                | ~ ( ( in @ ( sK22_D @ SY544 @ SV201 @ SV70 ) @ SY544 )
                    | ( ( sK22_D @ SY544 @ SV201 @ SV70 )
                      = SV70 )
                    | ( ( sK22_D @ SY544 @ SV201 @ SV70 )
                      = SV201 ) ) )
            | ( SY544
              = ( unordered_pair @ SV70 @ SV201 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1210]) ).

thf(1333,plain,
    ! [SV202: $i,SV70: $i] :
      ( ( ! [SY545: $i] :
            ( ( SY545
             != ( unordered_pair @ SV70 @ SV202 ) )
            | ~ ( ~ ! [SY546: $i] :
                      ( ~ ( in @ SY546 @ SY545 )
                      | ( SY546 = SV70 )
                      | ( SY546 = SV202 ) )
                | ~ ~ ( ~ ! [SY411: $i] :
                            ( ( SY411 != SV70 )
                            | ( in @ SY411 @ SY545 ) )
                      | ~ ! [SY548: $i] :
                            ( ( SY548 != SV202 )
                            | ( in @ SY548 @ SY545 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1211]) ).

thf(1334,plain,
    ! [SV161: $i] :
      ( ( ( ~ ( ordinal @ SV161 ) )
        = $true )
      | ( ( ( being_limit_ordinal @ SV161 )
          | ~ ( ~ ( ordinal @ ( sK50_B @ SV161 ) )
              | ( SV161
               != ( succ @ ( sK50_B @ SV161 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1212]) ).

thf(1335,plain,
    ! [SV162: $i] :
      ( ( ( ~ ( ordinal @ SV162 ) )
        = $true )
      | ( ( ! [SY508: $i] :
              ( ( SV162
               != ( succ @ SY508 ) )
              | ~ ( ordinal @ SY508 ) )
          | ~ ( being_limit_ordinal @ SV162 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1213]) ).

thf(1336,plain,
    ! [SV203: $i,SV71: $i] :
      ( ( ! [SY549: $i] :
            ( ~ ( relation @ SY549 )
            | ~ ( in @ SV71 @ SY549 )
            | ~ ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) )
            | ( in @ SV71 @ ( relation_restriction @ SY549 @ SV203 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1214]) ).

thf(1337,plain,
    ! [SV71: $i] :
      ( ( ~ ! [SY415: $i,SY416: $i] :
              ( ~ ( relation @ SY416 )
              | ~ ( in @ SV71 @ ( relation_restriction @ SY416 @ SY415 ) )
              | ( in @ SV71 @ SY416 ) )
        | ~ ! [SY417: $i,SY418: $i] :
              ( ~ ( relation @ SY418 )
              | ~ ( in @ SV71 @ ( relation_restriction @ SY418 @ SY417 ) )
              | ( in @ SV71 @ ( cartesian_product2 @ SY417 @ SY417 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1215]) ).

thf(1338,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( epsilon_connected @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1216]) ).

thf(1339,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( epsilon_transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1216]) ).

thf(1340,plain,
    ! [SV163: $i] :
      ( ( ( ~ ( empty @ SV163 ) )
        = $true )
      | ( ( ordinal @ SV163 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1217]) ).

thf(1341,plain,
    ! [SV164: $i] :
      ( ( ( ~ ( relation @ SV164 ) )
        = $true )
      | ( ( ~ ( reflexive @ SV164 )
          | ~ ( transitive @ SV164 )
          | ~ ( antisymmetric @ SV164 )
          | ~ ( connected @ SV164 )
          | ~ ( well_founded_relation @ SV164 )
          | ( well_ordering @ SV164 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1218]) ).

thf(1342,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                              ( ~ ( relation @ SX0 )
                              | ~ ( well_ordering @ SX0 )
                              | ( reflexive @ SX0 ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( relation @ SX0 )
                              | ~ ( well_ordering @ SX0 )
                              | ( transitive @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( antisymmetric @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( connected @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1219]) ).

thf(1343,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( well_founded_relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1219]) ).

thf(1344,plain,
    ! [SV124: $i,SV72: $i] :
      ( ( ( ~ ! [SY485: $i] :
                ( ! [SY421: $i] :
                    ( ( SY485 != SY421 )
                    | ~ ( ordinal @ SY421 )
                    | ~ ( in @ SY421 @ SV72 ) )
                | ~ ( in @ SY485 @ ( succ @ SV124 ) )
                | ( in @ SY485 @ ( sK52_C @ SV124 @ SV72 ) ) )
          | ~ ~ ( ~ ! [SY487: $i] :
                      ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                      | ~ ( ~ ~ ( ( SY487
                                 != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                                | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                          | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) )
                | ~ ! [SY488: $i] :
                      ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                      | ( in @ SY488 @ ( succ @ SV124 ) ) ) ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1220]) ).

thf(1345,plain,
    ! [SV73: $i] :
      ( ( ( ~ ! [SY424: $i] :
                ( ~ ( relation @ SY424 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SV73 )
                    | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SY424 ) )
                | ( subset @ SV73 @ SY424 ) ) )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1221]) ).

thf(1346,plain,
    ! [SV73: $i] :
      ( ( ( ~ ! [SY425: $i] :
                ( ~ ( relation @ SY425 )
                | ~ ( subset @ SV73 @ SY425 )
                | ! [SY426: $i,SY427: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SV73 )
                    | ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SY425 ) ) ) )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1221]) ).

thf(1347,plain,
    ! [SV204: $i,SV165: $i] :
      ( ( ~ ( in @ SV165 @ SV204 )
        | ( subset @ ( singleton @ SV165 ) @ SV204 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1222]) ).

thf(1348,plain,
    ! [SV205: $i,SV166: $i] :
      ( ( ~ ( subset @ ( singleton @ SV166 ) @ SV205 )
        | ( in @ SV166 @ SV205 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1223]) ).

thf(1349,plain,
    ! [SV74: $i,SV206: $i] :
      ( ( ! [SY550: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SY550 @ SV206 @ SV74 ) @ SV74 )
                    | ~ ( in @ ( sK15_D @ SY550 @ SV206 @ SV74 ) @ SV206 )
                    | ~ ( in @ ( sK15_D @ SY550 @ SV206 @ SV74 ) @ SY550 ) )
                | ~ ~ ( ~ ( ( in @ ( sK15_D @ SY550 @ SV206 @ SV74 ) @ SV74 )
                          | ( in @ ( sK15_D @ SY550 @ SV206 @ SV74 ) @ SY550 ) )
                      | ~ ( ( in @ ( sK15_D @ SY550 @ SV206 @ SV74 ) @ SV206 )
                          | ( in @ ( sK15_D @ SY550 @ SV206 @ SV74 ) @ SY550 ) ) ) )
            | ( SY550
              = ( set_intersection2 @ SV74 @ SV206 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1224]) ).

thf(1350,plain,
    ! [SV207: $i,SV74: $i] :
      ( ( ! [SY551: $i] :
            ( ( SY551
             != ( set_intersection2 @ SV74 @ SV207 ) )
            | ~ ( ~ ! [SY552: $i] :
                      ( ~ ( in @ SY552 @ SV74 )
                      | ~ ( in @ SY552 @ SV207 )
                      | ( in @ SY552 @ SY551 ) )
                | ~ ~ ( ~ ! [SY433: $i] :
                            ( ~ ( in @ SY433 @ SY551 )
                            | ( in @ SY433 @ SV74 ) )
                      | ~ ! [SY554: $i] :
                            ( ~ ( in @ SY554 @ SY551 )
                            | ( in @ SY554 @ SV207 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1225]) ).

thf(1351,plain,
    ! [SV208: $i,SV167: $i] :
      ( ( ( disjoint @ SV167 @ SV208 )
        | ~ ( ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV167 )
            | ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV208 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1226]) ).

thf(1352,plain,
    ! [SV209: $i,SV168: $i] :
      ( ( ! [SY555: $i] :
            ( ~ ( in @ SY555 @ SV168 )
            | ~ ( in @ SY555 @ SV209 ) )
        | ~ ( disjoint @ SV168 @ SV209 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1227]) ).

thf(1353,plain,
    ! [SV75: $i,SV210: $i] :
      ( ( ! [SY556: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SY556 @ SV210 @ SV75 ) @ SV75 )
                    | ( in @ ( sK11_D @ SY556 @ SV210 @ SV75 ) @ SV210 )
                    | ~ ( in @ ( sK11_D @ SY556 @ SV210 @ SV75 ) @ SY556 ) )
                | ~ ~ ( ~ ( ( in @ ( sK11_D @ SY556 @ SV210 @ SV75 ) @ SV75 )
                          | ( in @ ( sK11_D @ SY556 @ SV210 @ SV75 ) @ SY556 ) )
                      | ~ ( ~ ( in @ ( sK11_D @ SY556 @ SV210 @ SV75 ) @ SV210 )
                          | ( in @ ( sK11_D @ SY556 @ SV210 @ SV75 ) @ SY556 ) ) ) )
            | ( SY556
              = ( set_difference @ SV75 @ SV210 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1228]) ).

thf(1354,plain,
    ! [SV211: $i,SV75: $i] :
      ( ( ! [SY557: $i] :
            ( ( SY557
             != ( set_difference @ SV75 @ SV211 ) )
            | ~ ( ~ ! [SY558: $i] :
                      ( ~ ( in @ SY558 @ SV75 )
                      | ( in @ SY558 @ SV211 )
                      | ( in @ SY558 @ SY557 ) )
                | ~ ~ ( ~ ! [SY440: $i] :
                            ( ~ ( in @ SY440 @ SY557 )
                            | ( in @ SY440 @ SV75 ) )
                      | ~ ! [SY560: $i] :
                            ( ~ ( in @ SY560 @ SY557 )
                            | ~ ( in @ SY560 @ SV211 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1229]) ).

thf(1355,plain,
    ! [SV169: $i] :
      ( ( ( ~ ( ~ ! [SY514: $i,SY515: $i] :
                    ( ( sK31_B @ SV169 )
                   != ( ordered_pair @ SY514 @ SY515 ) )
              | ~ ( in @ ( sK31_B @ SV169 ) @ SV169 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1230]) ).

thf(1356,plain,
    ! [SV170: $i] :
      ( ( ( ~ ( relation @ SV170 ) )
        = $true )
      | ( ( ! [SY516: $i] :
              ( ( SY516
                = ( ordered_pair @ ( sK29_C @ SY516 @ SV170 ) @ ( sK30_SY281 @ SY516 @ SV170 ) ) )
              | ~ ( in @ SY516 @ SV170 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1231]) ).

thf(1357,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
                | ~ ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) )
            | ~ ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
                | ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) ) )
        | ( SV212
          = ( powerset @ SV171 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1232]) ).

thf(1358,plain,
    ! [SV172: $i,SV213: $i] :
      ( ( ( SV213
         != ( powerset @ SV172 ) )
        | ~ ( ~ ! [SY561: $i] :
                  ( ~ ( in @ SY561 @ SV213 )
                  | ( subset @ SY561 @ SV172 ) )
            | ~ ! [SY562: $i] :
                  ( ~ ( subset @ SY562 @ SV172 )
                  | ( in @ SY562 @ SV213 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1233]) ).

thf(1359,plain,
    ! [SV76: $i] :
      ( ( ( ~ ! [SY442: $i] :
                ( ~ ( relation @ SY442 )
                | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                        | ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                        | ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) ) )
                | ( SV76 = SY442 ) ) )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1234]) ).

thf(1360,plain,
    ! [SV76: $i] :
      ( ( ( ~ ! [SY443: $i] :
                ( ~ ( relation @ SY443 )
                | ( SV76 != SY443 )
                | ~ ( ~ ! [SY444: $i,SY445: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SV76 )
                          | ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SY443 ) )
                    | ~ ! [SY446: $i,SY447: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SY443 )
                          | ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SV76 ) ) ) ) )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1234]) ).

thf(1361,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
              | ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) ) )
        = $false )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1235]) ).

thf(1362,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( ~ ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
              | ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) ) )
        = $false )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1235]) ).

thf(1363,plain,
    ! [SV173: $i,SV214: $i] :
      ( ( ~ ( relation @ SV214 )
        | ( subset @ ( relation_field @ ( relation_restriction @ SV214 @ SV173 ) ) @ ( relation_field @ SV214 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1236]) ).

thf(1364,plain,
    ! [SV174: $i,SV215: $i] :
      ( ( ~ ( relation @ SV215 )
        | ( subset @ ( relation_field @ ( relation_restriction @ SV215 @ SV174 ) ) @ SV174 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1237]) ).

thf(1365,plain,
    ! [SV216: $i,SV175: $i] :
      ( ( ~ ( subset @ SV175 @ SV216 )
        | ~ ( subset @ SV216 @ SV175 )
        | ( SV175 = SV216 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1238]) ).

thf(1366,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1239]) ).

thf(1367,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1239]) ).

thf(1368,plain,
    ! [SV78: $i] :
      ( ( ( in @ ( sK51_B @ SV78 ) @ SV78 )
        = $true )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1240]) ).

thf(1369,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( ordinal @ ( sK51_B @ SV78 ) )
          | ~ ( subset @ ( sK51_B @ SV78 ) @ SV78 ) )
        = $true )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1241]) ).

thf(1370,plain,
    ! [SV217: $i,SV176: $i] :
      ( ( ~ ( ordinal @ SV176 )
        | ~ ( ordinal @ SV217 )
        | ~ ( ordinal_subset @ SV176 @ SV217 )
        | ( subset @ SV176 @ SV217 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1242]) ).

thf(1371,plain,
    ! [SV218: $i,SV177: $i] :
      ( ( ~ ( ordinal @ SV177 )
        | ~ ( ordinal @ SV218 )
        | ~ ( subset @ SV177 @ SV218 )
        | ( ordinal_subset @ SV177 @ SV218 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1243]) ).

thf(1372,plain,
    ! [SV79: $i,SV219: $i] :
      ( ( ! [SY563: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SY563 @ SV219 @ SV79 ) @ SY563 )
                          | ~ ( in @ ( sK21_D @ SY563 @ SV219 @ SV79 ) @ SV79 ) )
                      | ~ ( ~ ( in @ ( sK21_D @ SY563 @ SV219 @ SV79 ) @ SY563 )
                          | ~ ( in @ ( sK21_D @ SY563 @ SV219 @ SV79 ) @ SV219 ) ) )
                | ~ ( ( in @ ( sK21_D @ SY563 @ SV219 @ SV79 ) @ SY563 )
                    | ( in @ ( sK21_D @ SY563 @ SV219 @ SV79 ) @ SV79 )
                    | ( in @ ( sK21_D @ SY563 @ SV219 @ SV79 ) @ SV219 ) ) )
            | ( SY563
              = ( set_union2 @ SV79 @ SV219 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1244]) ).

thf(1373,plain,
    ! [SV220: $i,SV79: $i] :
      ( ( ! [SY564: $i] :
            ( ( SY564
             != ( set_union2 @ SV79 @ SV220 ) )
            | ~ ( ~ ! [SY565: $i] :
                      ( ~ ( in @ SY565 @ SY564 )
                      | ( in @ SY565 @ SV79 )
                      | ( in @ SY565 @ SV220 ) )
                | ~ ~ ( ~ ! [SY454: $i] :
                            ( ~ ( in @ SY454 @ SV79 )
                            | ( in @ SY454 @ SY564 ) )
                      | ~ ! [SY567: $i] :
                            ( ~ ( in @ SY567 @ SV220 )
                            | ( in @ SY567 @ SY564 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1245]) ).

thf(1374,plain,
    ! [SV178: $i] :
      ( ( ( ~ ( relation @ SV178 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
                    | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) )
              | ~ ( ( ( sK36_B @ SV178 )
                   != ( sK37_SY285 @ SV178 ) ) ) )
          | ( antisymmetric @ SV178 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1246]) ).

thf(1375,plain,
    ! [SV179: $i] :
      ( ( ( ~ ( relation @ SV179 ) )
        = $true )
      | ( ( ~ ( antisymmetric @ SV179 )
          | ! [SY526: $i,SY527: $i] :
              ( ~ ( in @ ( ordered_pair @ SY526 @ SY527 ) @ SV179 )
              | ~ ( in @ ( ordered_pair @ SY527 @ SY526 ) @ SV179 )
              | ( SY526 = SY527 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1247]) ).

thf(1376,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ~ ( ~ ( ( ( sK28_C @ SV221 @ SV180 )
                 != SV180 )
                | ~ ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) )
            | ~ ( ( ( sK28_C @ SV221 @ SV180 )
                  = SV180 )
                | ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) ) )
        | ( SV221
          = ( singleton @ SV180 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1248]) ).

thf(1377,plain,
    ! [SV181: $i,SV222: $i] :
      ( ( ( SV222
         != ( singleton @ SV181 ) )
        | ~ ( ~ ! [SY568: $i] :
                  ( ( SY568 != SV181 )
                  | ( in @ SY568 @ SV222 ) )
            | ~ ! [SY569: $i] :
                  ( ~ ( in @ SY569 @ SV222 )
                  | ( SY569 = SV181 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1249]) ).

thf(1378,plain,
    ! [SV80: $i] :
      ( ( ( ~ ! [SY456: $i] :
                ( ~ ( ordinal @ SY456 )
                | ~ ( in @ SV80 @ SY456 )
                | ( ordinal_subset @ ( succ @ SV80 ) @ SY456 ) ) )
        = $false )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1250]) ).

thf(1379,plain,
    ! [SV80: $i] :
      ( ( ( ~ ! [SY457: $i] :
                ( ~ ( ordinal @ SY457 )
                | ~ ( ordinal_subset @ ( succ @ SV80 ) @ SY457 )
                | ( in @ SV80 @ SY457 ) ) )
        = $false )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1250]) ).

thf(1380,plain,
    ! [SV182: $i] :
      ( ( ( ~ ( ordinal @ SV182 ) )
        = $true )
      | ( ( epsilon_connected @ SV182 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1251]) ).

thf(1381,plain,
    ! [SV183: $i] :
      ( ( ( ~ ( ordinal @ SV183 ) )
        = $true )
      | ( ( epsilon_transitive @ SV183 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1252]) ).

thf(1382,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ~ ( ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV184 )
            | ~ ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV223 ) )
        | ( subset @ SV184 @ SV223 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1253]) ).

thf(1383,plain,
    ! [SV224: $i,SV185: $i] :
      ( ( ~ ( subset @ SV185 @ SV224 )
        | ! [SY570: $i] :
            ( ~ ( in @ SY570 @ SV185 )
            | ( in @ SY570 @ SV224 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1254]) ).

thf(1384,plain,
    ! [SV186: $i] :
      ( ( ( ~ ( epsilon_connected @ SV186 )
          | ~ ( epsilon_transitive @ SV186 ) )
        = $true )
      | ( ( ordinal @ SV186 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1255]) ).

thf(1385,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_connected @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1256]) ).

thf(1386,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1256]) ).

thf(1387,plain,
    ! [SV81: $i,SV1: $i] :
      ( ( ( in @ SV1 @ SV81 )
        = $false )
      | ( ( ordinal @ SV1 )
        = $true )
      | ( ( ordinal @ SV81 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1257]) ).

thf(1388,plain,
    ! [SV2: $i,SV136: $i] :
      ( ( ( ordinal @ SV136 )
        = $false )
      | ( ( ( in @ SV2 @ SV136 )
          | ( SV2 = SV136 )
          | ( in @ SV136 @ SV2 ) )
        = $true )
      | ( ( ordinal @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1258]) ).

thf(1389,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( well_ordering @ SV82 )
        = $false )
      | ( ( well_ordering @ ( relation_restriction @ SV82 @ SV4 ) )
        = $true )
      | ( ( relation @ SV82 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1259]) ).

thf(1390,plain,
    ! [SV10: $i,SV83: $i] :
      ( ( ( ordinal @ SV83 )
        = $false )
      | ( ( ordinal @ SV10 )
        = $false )
      | ( ( ( ordinal_subset @ SV10 @ SV83 )
          | ( ordinal_subset @ SV83 @ SV10 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1261]) ).

thf(1391,plain,
    ! [SV12: $i,SV187: $i] :
      ( ( ( ordinal @ SV187 )
        = $false )
      | ( ( ordinal @ SV12 )
        = $false )
      | ( ( ordinal_subset @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1262]) ).

thf(1392,plain,
    ! [SV137: $i,SV126: $i,SV86: $i,SV16: $i] :
      ( ( ( ~ ( subset @ SV16 @ SV86 ) )
        = $true )
      | ( ( ~ ( subset @ SV126 @ SV137 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV16 @ SV126 ) @ ( cartesian_product2 @ SV86 @ SV137 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1263]) ).

thf(1393,plain,
    ! [SV88: $i,SV18: $i,SV127: $i,SV138: $i] :
      ( ( ( relation_of2_as_subset @ SV138 @ SV127 @ SV18 )
        = $false )
      | ( ( ~ ( subset @ SV18 @ SV88 )
          | ( relation_of2_as_subset @ SV138 @ SV127 @ SV88 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1264]) ).

thf(1394,plain,
    ! [SV128: $i,SV89: $i,SV19: $i] :
      ( ( ( ~ ( subset @ SV19 @ SV89 ) )
        = $true )
      | ( ( subset @ ( relation_inverse_image @ SV128 @ SV19 ) @ ( relation_inverse_image @ SV128 @ SV89 ) )
        = $true )
      | ( ( relation @ SV128 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1265]) ).

thf(1395,plain,
    ! [SV129: $i,SV91: $i,SV21: $i] :
      ( ( ( subset @ SV21 @ SV91 )
        = $false )
      | ( ( ~ ( subset @ SV21 @ SV129 ) )
        = $true )
      | ( ( subset @ SV21 @ ( set_intersection2 @ SV91 @ SV129 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1266]) ).

thf(1396,plain,
    ! [SV130: $i,SV92: $i,SV22: $i] :
      ( ( ( subset @ SV22 @ SV92 )
        = $false )
      | ( ( ~ ( subset @ SV92 @ SV130 ) )
        = $true )
      | ( ( subset @ SV22 @ SV130 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1267]) ).

thf(1397,plain,
    ! [SV23: $i,SV139: $i] :
      ( ( ( ordinal @ SV139 )
        = $false )
      | ( ( ~ ( proper_subset @ SV23 @ SV139 )
          | ( in @ SV23 @ SV139 ) )
        = $true )
      | ( ( epsilon_transitive @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1268]) ).

thf(1398,plain,
    ! [SV25: $i,SV94: $i] :
      ( ( ( reflexive @ SV94 )
        = $false )
      | ( ( reflexive @ ( relation_restriction @ SV94 @ SV25 ) )
        = $true )
      | ( ( relation @ SV94 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1270]) ).

thf(1399,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ( connected @ SV95 )
        = $false )
      | ( ( connected @ ( relation_restriction @ SV95 @ SV26 ) )
        = $true )
      | ( ( relation @ SV95 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1271]) ).

thf(1400,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ( transitive @ SV96 )
        = $false )
      | ( ( transitive @ ( relation_restriction @ SV96 @ SV27 ) )
        = $true )
      | ( ( relation @ SV96 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1272]) ).

thf(1401,plain,
    ! [SV28: $i,SV97: $i] :
      ( ( ( antisymmetric @ SV97 )
        = $false )
      | ( ( antisymmetric @ ( relation_restriction @ SV97 @ SV28 ) )
        = $true )
      | ( ( relation @ SV97 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1273]) ).

thf(1402,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ( well_founded_relation @ SV100 )
        = $false )
      | ( ( well_founded_relation @ ( relation_restriction @ SV100 @ SV32 ) )
        = $true )
      | ( ( relation @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1275]) ).

thf(1403,plain,
    ! [SV103: $i,SV35: $i] :
      ( ( ( ~ ( subset @ SV35 @ ( relation_field @ SV103 ) ) )
        = $true )
      | ( ( ~ ( well_ordering @ SV103 ) )
        = $true )
      | ( ( ( relation_field @ ( relation_restriction @ SV103 @ SV35 ) )
          = SV35 )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1277]) ).

thf(1404,plain,
    ! [SV132: $i,SV104: $i,SV36: $i] :
      ( ( ( in @ SV36 @ SV104 )
        = $false )
      | ( ( ~ ( in @ SV104 @ SV132 ) )
        = $true )
      | ( ( ~ ( in @ SV132 @ SV36 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1278]) ).

thf(1405,plain,
    ! [SV39: $i,SV133: $i,SV106: $i] :
      ( ( ( disjoint @ SV106 @ SV133 )
        = $false )
      | ( ( ~ ( subset @ SV39 @ SV106 ) )
        = $true )
      | ( ( disjoint @ SV39 @ SV133 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1280]) ).

thf(1406,plain,
    ! [SV134: $i,SV110: $i,SV43: $i] :
      ( ( ( subset @ SV43 @ SV110 )
        = $false )
      | ( ( ~ ( subset @ SV134 @ SV110 ) )
        = $true )
      | ( ( subset @ ( set_union2 @ SV43 @ SV134 ) @ SV110 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1281]) ).

thf(1407,plain,
    ! [SV49: $i,SV113: $i] :
      ( ( ( relation @ SV113 )
        = $false )
      | ( ( relation @ SV49 )
        = $false )
      | ( ( relation @ ( relation_composition @ SV49 @ SV113 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1283]) ).

thf(1408,plain,
    ! [SV54: $i,SV115: $i] :
      ( ( ( relation @ SV115 )
        = $false )
      | ( ( relation @ SV54 )
        = $false )
      | ( ( relation @ ( set_intersection2 @ SV54 @ SV115 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1284]) ).

thf(1409,plain,
    ! [SV55: $i,SV116: $i] :
      ( ( ( relation @ SV116 )
        = $false )
      | ( ( relation @ SV55 )
        = $false )
      | ( ( relation @ ( set_union2 @ SV55 @ SV116 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1285]) ).

thf(1410,plain,
    ! [SV56: $i,SV117: $i] :
      ( ( ( relation @ SV117 )
        = $false )
      | ( ( relation @ SV56 )
        = $false )
      | ( ( relation @ ( set_difference @ SV56 @ SV117 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1286]) ).

thf(1411,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( ~ ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
          | ~ ~ ( ~ ! [SY471: $i] :
                      ( ~ ( ordinal @ SY471 )
                      | ~ ( in @ SY471 @ SV61 )
                      | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
                | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) ) )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1288]) ).

thf(1412,plain,
    ! [SV62: $i,SV121: $i,SV225: $i] :
      ( ( ! [SY571: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 ) @ SY571 )
                          | ( ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 )
                           != SV225 ) )
                      | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 ) @ SY571 )
                                | ( ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 )
                                 != SV62 ) )
                            | ~ ( ~ ( in @ ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 ) @ SY571 )
                                | ( ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 )
                                 != SV121 ) ) ) )
                | ~ ( ( in @ ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 ) @ SY571 )
                    | ( ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 )
                      = SV225 )
                    | ( ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 )
                      = SV62 )
                    | ( ( sK32_E @ SY571 @ SV225 @ SV121 @ SV62 )
                      = SV121 ) ) )
            | ( SY571
              = ( unordered_triple @ SV62 @ SV121 @ SV225 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1289]) ).

thf(1413,plain,
    ! [SV226: $i,SV121: $i,SV62: $i] :
      ( ( ! [SY572: $i] :
            ( ( SY572
             != ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
            | ~ ( ~ ! [SY573: $i] :
                      ( ~ ( in @ SY573 @ SY572 )
                      | ( SY573 = SV226 )
                      | ( SY573 = SV62 )
                      | ( SY573 = SV121 ) )
                | ~ ~ ( ~ ! [SY574: $i] :
                            ( ( SY574 != SV226 )
                            | ( in @ SY574 @ SY572 ) )
                      | ~ ~ ( ~ ! [SY376: $i] :
                                  ( ( SY376 != SV62 )
                                  | ( in @ SY376 @ SY572 ) )
                            | ~ ! [SY479: $i] :
                                  ( ( SY479 != SV121 )
                                  | ( in @ SY479 @ SY572 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1290]) ).

thf(1414,plain,
    ! [SV142: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK19_B @ SV142 )
                     != ( sK20_SY279 @ SV142 ) ) )
                | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                            | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
                      | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) )
          | ~ ~ ( in @ ( sK20_SY279 @ SV142 ) @ ( sK19_B @ SV142 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1291]) ).

thf(1415,plain,
    ! [SV143: $i] :
      ( ( ( epsilon_connected @ SV143 )
        = $false )
      | ( ( ! [SY491: $i,SY492: $i] :
              ( ( SY491 = SY492 )
              | ~ ( in @ SY491 @ SV143 )
              | ~ ( in @ SY492 @ SV143 )
              | ( in @ SY491 @ SY492 )
              | ( in @ SY492 @ SY491 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1292]) ).

thf(1416,plain,
    ! [SV144: $i] :
      ( ( ( relation @ SV144 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
                    | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
              | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
          | ( transitive @ SV144 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1293]) ).

thf(1417,plain,
    ! [SV145: $i] :
      ( ( ( relation @ SV145 )
        = $false )
      | ( ( ~ ( transitive @ SV145 )
          | ! [SY493: $i,SY494: $i,SY495: $i] :
              ( ~ ( in @ ( ordered_pair @ SY493 @ SY494 ) @ SV145 )
              | ~ ( in @ ( ordered_pair @ SY494 @ SY495 ) @ SV145 )
              | ( in @ ( ordered_pair @ SY493 @ SY495 ) @ SV145 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1294]) ).

thf(1418,plain,
    ! [SV190: $i,SV146: $i] :
      ( ( ( ~ ( in @ SV146 @ SV190 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV146 ) @ SV190 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1295]) ).

thf(1419,plain,
    ! [SV191: $i,SV147: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV147 ) @ SV191 ) )
        = $true )
      | ( ( in @ SV147 @ SV191 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1296]) ).

thf(1420,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ~ ( empty @ ( succ @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( ordinal @ SX0 )
                | ( epsilon_transitive @ ( succ @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1297]) ).

thf(1421,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_connected @ ( succ @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1298]) ).

thf(1422,plain,
    ! [SV148: $i] :
      ( ( ( ordinal @ SV148 )
        = $false )
      | ( ( ordinal @ ( succ @ SV148 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1299]) ).

thf(1423,plain,
    ! [SV149: $i] :
      ( ( ( SV149
          = ( union @ SV149 ) )
        = $false )
      | ( ( being_limit_ordinal @ SV149 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1300]) ).

thf(1424,plain,
    ! [SV150: $i] :
      ( ( ( being_limit_ordinal @ SV150 )
        = $false )
      | ( ( SV150
          = ( union @ SV150 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1301]) ).

thf(1425,plain,
    ! [SV151: $i] :
      ( ( ( ~ ( in @ ( sK25_B @ SV151 ) @ SV151 )
          | ~ ~ ( subset @ ( sK25_B @ SV151 ) @ SV151 ) )
        = $false )
      | ( ( epsilon_transitive @ SV151 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1302]) ).

thf(1426,plain,
    ! [SV152: $i] :
      ( ( ( epsilon_transitive @ SV152 )
        = $false )
      | ( ( ! [SY498: $i] :
              ( ~ ( in @ SY498 @ SV152 )
              | ( subset @ SY498 @ SV152 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1303]) ).

thf(1427,plain,
    ! [SV154: $i] :
      ( ( ( SV154 = empty_set )
        = $false )
      | ( ( ! [SY499: $i] :
              ~ ( in @ SY499 @ SV154 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1305]) ).

thf(1428,plain,
    ! [SV63: $i,SV122: $i] :
      ( ( ( ! [SY480: $i] :
              ( ~ ( in @ SY480 @ SV122 )
              | ~ ( in @ SY480 @ ( sK4_C @ SV122 @ SV63 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1306]) ).

thf(1429,plain,
    ! [SV63: $i,SV122: $i] :
      ( ( ( in @ ( sK4_C @ SV122 @ SV63 ) @ SV122 )
        = $true )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1307]) ).

thf(1430,plain,
    ! [SV192: $i,SV64: $i,SV227: $i] :
      ( ( ~ ( relation @ SV227 )
        | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV227 @ SV192 ) ) )
        | ( in @ SV64 @ ( relation_field @ SV227 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1308]) ).

thf(1431,plain,
    ! [SV193: $i,SV64: $i,SV228: $i] :
      ( ( ~ ( relation @ SV228 )
        | ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV228 @ SV193 ) ) )
        | ( in @ SV64 @ SV193 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1309]) ).

thf(1432,plain,
    ! [SV65: $i,SV194: $i] :
      ( ( ( ~ ( subset @ SV194 @ ( sK2_B @ SV65 ) )
          | ( are_equipotent @ SV194 @ ( sK2_B @ SV65 ) ) )
        = $true )
      | ( ( in @ SV194 @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1310]) ).

thf(1433,plain,
    ! [SV65: $i] :
      ( ( ~ ! [SY385: $i] :
              ( ~ ( ~ ! [SY386: $i] :
                        ( ~ ( subset @ SY386 @ SY385 )
                        | ( in @ SY386 @ ( sK3_SY270 @ SY385 @ SV65 ) ) )
                  | ~ ( in @ ( sK3_SY270 @ SY385 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
              | ~ ( in @ SY385 @ ( sK2_B @ SV65 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1311]) ).

thf(1434,plain,
    ! [SV65: $i] :
      ( ( ~ ~ ( ~ ! [SY387: $i,SY388: $i] :
                    ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
                    | ~ ( subset @ SY388 @ SY387 )
                    | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
              | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1311]) ).

thf(1435,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( ! [SY537: $i] :
                      ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SY537 )
                      | ~ ( in @ SY537 @ SV155 ) )
                  | ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
              | ~ ( ~ ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
                      | ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) )
                  | ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) ) ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1312]) ).

thf(1436,plain,
    ! [SV156: $i,SV196: $i] :
      ( ( ( ( SV196
           != ( union @ SV156 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY538: $i] :
                    ( ! [SY504: $i] :
                        ( ~ ( in @ SY538 @ SY504 )
                        | ~ ( in @ SY504 @ SV156 ) )
                    | ( in @ SY538 @ SV196 ) )
              | ~ ! [SY540: $i] :
                    ( ~ ( in @ SY540 @ SV196 )
                    | ~ ( ~ ( in @ SY540 @ ( sK12_D @ SY540 @ SV196 @ SV156 ) )
                        | ~ ( in @ ( sK12_D @ SY540 @ SV196 @ SV156 ) @ SV156 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1313]) ).

thf(1437,plain,
    ( ( ~ ( ~ ~ ( empty @ sK7_A )
          | ~ ( epsilon_transitive @ sK7_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1314]) ).

thf(1438,plain,
    ( ( epsilon_connected @ sK7_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1315]) ).

thf(1439,plain,
    ! [SV157: $i] :
      ( ( ( ordinal @ SV157 )
        = $false )
      | ( ( ~ ( ~ ( ordinal @ ( sK33_B @ SV157 ) )
              | ~ ~ ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
                    | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) ) )
          | ( being_limit_ordinal @ SV157 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1316]) ).

thf(1440,plain,
    ! [SV158: $i] :
      ( ( ( ordinal @ SV158 )
        = $false )
      | ( ( ~ ( being_limit_ordinal @ SV158 )
          | ! [SY506: $i] :
              ( ~ ( ordinal @ SY506 )
              | ~ ( in @ SY506 @ SV158 )
              | ( in @ ( succ @ SY506 ) @ SV158 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1317]) ).

thf(1441,plain,
    ! [SV197: $i,SV159: $i] :
      ( ( ( ( SV159 = SV197 )
          | ~ ( subset @ SV159 @ SV197 ) )
        = $true )
      | ( ( proper_subset @ SV159 @ SV197 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1318]) ).

thf(1442,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( SX0 != SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1319]) ).

thf(1443,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( proper_subset @ SX0 @ SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1320]) ).

thf(1444,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_connected @ ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1321]) ).

thf(1445,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_transitive @ ( union @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1322]) ).

thf(1446,plain,
    ! [SV160: $i] :
      ( ( ( ordinal @ SV160 )
        = $false )
      | ( ( ordinal @ ( union @ SV160 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1323]) ).

thf(1447,plain,
    ( ( epsilon_connected @ sK49_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1324]) ).

thf(1448,plain,
    ( ( epsilon_transitive @ sK49_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1325]) ).

thf(1449,plain,
    ! [SV66: $i,SV135: $i] :
      ( ( ( ordinal @ SV135 )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ~ ( ~ ! [SY390: $i] :
                    ( ~ ( ordinal @ SY390 )
                    | ~ ( in @ SY390 @ SV66 )
                    | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) )
              | ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                    | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1326]) ).

thf(1450,plain,
    ! [SV198: $i,SV229: $i,SV67: $i] :
      ( ( ~ ( in @ SV67 @ SV229 )
        | ~ ( in @ SV198 @ SV229 )
        | ( subset @ ( unordered_pair @ SV67 @ SV198 ) @ SV229 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1327]) ).

thf(1451,plain,
    ! [SV67: $i] :
      ( ( ~ ! [SY393: $i,SY394: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV67 @ SY393 ) @ SY394 )
              | ( in @ SV67 @ SY394 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1328]) ).

thf(1452,plain,
    ! [SV67: $i] :
      ( ( ~ ! [SY395: $i,SY396: $i] :
              ( ~ ( subset @ ( unordered_pair @ SV67 @ SY395 ) @ SY396 )
              | ( in @ SY395 @ SY396 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1328]) ).

thf(1453,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                             != ( sK45_SY295 @ SV123 @ SV68 ) )
                            | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                         != ( sK48_SY300 @ SV123 @ SV68 ) )
                                        | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                                  | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                      | ( ( sK44_C @ SV123 @ SV68 )
                       != ( sK46_SY299 @ SV123 @ SV68 ) ) )
                | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                             != ( sK47_SY303 @ SV123 @ SV68 ) )
                            | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                      | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
          | ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
               != ( sK46_SY299 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1329]) ).

thf(1454,plain,
    ! [SV199: $i,SV69: $i] :
      ( ( ( ~ ( subset @ SV69 @ SV199 ) )
        = $true )
      | ( ( ! [SY542: $i] : ( subset @ ( cartesian_product2 @ SV69 @ SY542 ) @ ( cartesian_product2 @ SV199 @ SY542 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1330]) ).

thf(1455,plain,
    ! [SV200: $i,SV69: $i] :
      ( ( ( ~ ( subset @ SV69 @ SV200 ) )
        = $true )
      | ( ( ! [SY543: $i] : ( subset @ ( cartesian_product2 @ SY543 @ SV69 ) @ ( cartesian_product2 @ SY543 @ SV200 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1331]) ).

thf(1456,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                      | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                       != SV70 ) )
                  | ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                      | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                       != SV201 ) ) )
            | ~ ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                  = SV70 )
                | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                  = SV201 ) ) )
        | ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1332]) ).

thf(1457,plain,
    ! [SV202: $i,SV70: $i,SV231: $i] :
      ( ( ( SV231
         != ( unordered_pair @ SV70 @ SV202 ) )
        | ~ ( ~ ! [SY577: $i] :
                  ( ~ ( in @ SY577 @ SV231 )
                  | ( SY577 = SV70 )
                  | ( SY577 = SV202 ) )
            | ~ ~ ( ~ ! [SY578: $i] :
                        ( ( SY578 != SV70 )
                        | ( in @ SY578 @ SV231 ) )
                  | ~ ! [SY579: $i] :
                        ( ( SY579 != SV202 )
                        | ( in @ SY579 @ SV231 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1333]) ).

thf(1458,plain,
    ! [SV161: $i] :
      ( ( ( ordinal @ SV161 )
        = $false )
      | ( ( ( being_limit_ordinal @ SV161 )
          | ~ ( ~ ( ordinal @ ( sK50_B @ SV161 ) )
              | ( SV161
               != ( succ @ ( sK50_B @ SV161 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1334]) ).

thf(1459,plain,
    ! [SV162: $i] :
      ( ( ( ordinal @ SV162 )
        = $false )
      | ( ( ! [SY508: $i] :
              ( ( SV162
               != ( succ @ SY508 ) )
              | ~ ( ordinal @ SY508 ) )
          | ~ ( being_limit_ordinal @ SV162 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1335]) ).

thf(1460,plain,
    ! [SV203: $i,SV71: $i,SV232: $i] :
      ( ( ~ ( relation @ SV232 )
        | ~ ( in @ SV71 @ SV232 )
        | ~ ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) )
        | ( in @ SV71 @ ( relation_restriction @ SV232 @ SV203 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1336]) ).

thf(1461,plain,
    ! [SV71: $i] :
      ( ( ~ ! [SY415: $i,SY416: $i] :
              ( ~ ( relation @ SY416 )
              | ~ ( in @ SV71 @ ( relation_restriction @ SY416 @ SY415 ) )
              | ( in @ SV71 @ SY416 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1337]) ).

thf(1462,plain,
    ! [SV71: $i] :
      ( ( ~ ! [SY417: $i,SY418: $i] :
              ( ~ ( relation @ SY418 )
              | ~ ( in @ SV71 @ ( relation_restriction @ SY418 @ SY417 ) )
              | ( in @ SV71 @ ( cartesian_product2 @ SY417 @ SY417 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1337]) ).

thf(1463,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( epsilon_connected @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1338]) ).

thf(1464,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( epsilon_transitive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1339]) ).

thf(1465,plain,
    ! [SV163: $i] :
      ( ( ( empty @ SV163 )
        = $false )
      | ( ( ordinal @ SV163 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1340]) ).

thf(1466,plain,
    ! [SV164: $i] :
      ( ( ( relation @ SV164 )
        = $false )
      | ( ( ~ ( reflexive @ SV164 )
          | ~ ( transitive @ SV164 )
          | ~ ( antisymmetric @ SV164 )
          | ~ ( connected @ SV164 )
          | ~ ( well_founded_relation @ SV164 )
          | ( well_ordering @ SV164 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1341]) ).

thf(1467,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                            ( ~ ( relation @ SX0 )
                            | ~ ( well_ordering @ SX0 )
                            | ( reflexive @ SX0 ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( relation @ SX0 )
                            | ~ ( well_ordering @ SX0 )
                            | ( transitive @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( relation @ SX0 )
                      | ~ ( well_ordering @ SX0 )
                      | ( antisymmetric @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( well_ordering @ SX0 )
                | ( connected @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1342]) ).

thf(1468,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( well_ordering @ SX0 )
          | ( well_founded_relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1343]) ).

thf(1469,plain,
    ! [SV124: $i,SV72: $i] :
      ( ( ( ~ ! [SY485: $i] :
                ( ! [SY421: $i] :
                    ( ( SY485 != SY421 )
                    | ~ ( ordinal @ SY421 )
                    | ~ ( in @ SY421 @ SV72 ) )
                | ~ ( in @ SY485 @ ( succ @ SV124 ) )
                | ( in @ SY485 @ ( sK52_C @ SV124 @ SV72 ) ) ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1344]) ).

thf(1470,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ~ ~ ( ~ ! [SY487: $i] :
                      ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                      | ~ ( ~ ~ ( ( SY487
                                 != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                                | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                          | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) )
                | ~ ! [SY488: $i] :
                      ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                      | ( in @ SY488 @ ( succ @ SV124 ) ) ) ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1344]) ).

thf(1471,plain,
    ! [SV73: $i] :
      ( ( ( ! [SY424: $i] :
              ( ~ ( relation @ SY424 )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SV73 )
                  | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SY424 @ SV73 ) @ ( sK18_SY278 @ SY424 @ SV73 ) ) @ SY424 ) )
              | ( subset @ SV73 @ SY424 ) ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1345]) ).

thf(1472,plain,
    ! [SV73: $i] :
      ( ( ( ! [SY425: $i] :
              ( ~ ( relation @ SY425 )
              | ~ ( subset @ SV73 @ SY425 )
              | ! [SY426: $i,SY427: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SV73 )
                  | ( in @ ( ordered_pair @ SY426 @ SY427 ) @ SY425 ) ) ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1346]) ).

thf(1473,plain,
    ! [SV204: $i,SV165: $i] :
      ( ( ( ~ ( in @ SV165 @ SV204 ) )
        = $true )
      | ( ( subset @ ( singleton @ SV165 ) @ SV204 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1347]) ).

thf(1474,plain,
    ! [SV205: $i,SV166: $i] :
      ( ( ( ~ ( subset @ ( singleton @ SV166 ) @ SV205 ) )
        = $true )
      | ( ( in @ SV166 @ SV205 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1348]) ).

thf(1475,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
                | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
                | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
            | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
                      | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
                  | ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
                      | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) ) )
        | ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1349]) ).

thf(1476,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( SV234
         != ( set_intersection2 @ SV74 @ SV207 ) )
        | ~ ( ~ ! [SY580: $i] :
                  ( ~ ( in @ SY580 @ SV74 )
                  | ~ ( in @ SY580 @ SV207 )
                  | ( in @ SY580 @ SV234 ) )
            | ~ ~ ( ~ ! [SY581: $i] :
                        ( ~ ( in @ SY581 @ SV234 )
                        | ( in @ SY581 @ SV74 ) )
                  | ~ ! [SY582: $i] :
                        ( ~ ( in @ SY582 @ SV234 )
                        | ( in @ SY582 @ SV207 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1350]) ).

thf(1477,plain,
    ! [SV208: $i,SV167: $i] :
      ( ( ( disjoint @ SV167 @ SV208 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV167 )
              | ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV208 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1351]) ).

thf(1478,plain,
    ! [SV209: $i,SV168: $i] :
      ( ( ( ! [SY555: $i] :
              ( ~ ( in @ SY555 @ SV168 )
              | ~ ( in @ SY555 @ SV209 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV168 @ SV209 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1352]) ).

thf(1479,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
                | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
                | ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
            | ~ ~ ( ~ ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
                      | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
                  | ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
                      | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) ) )
        | ( SV235
          = ( set_difference @ SV75 @ SV210 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1353]) ).

thf(1480,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( SV236
         != ( set_difference @ SV75 @ SV211 ) )
        | ~ ( ~ ! [SY583: $i] :
                  ( ~ ( in @ SY583 @ SV75 )
                  | ( in @ SY583 @ SV211 )
                  | ( in @ SY583 @ SV236 ) )
            | ~ ~ ( ~ ! [SY584: $i] :
                        ( ~ ( in @ SY584 @ SV236 )
                        | ( in @ SY584 @ SV75 ) )
                  | ~ ! [SY585: $i] :
                        ( ~ ( in @ SY585 @ SV236 )
                        | ~ ( in @ SY585 @ SV211 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1354]) ).

thf(1481,plain,
    ! [SV169: $i] :
      ( ( ( ~ ! [SY514: $i,SY515: $i] :
                ( ( sK31_B @ SV169 )
               != ( ordered_pair @ SY514 @ SY515 ) )
          | ~ ( in @ ( sK31_B @ SV169 ) @ SV169 ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1355]) ).

thf(1482,plain,
    ! [SV170: $i] :
      ( ( ( relation @ SV170 )
        = $false )
      | ( ( ! [SY516: $i] :
              ( ( SY516
                = ( ordered_pair @ ( sK29_C @ SY516 @ SV170 ) @ ( sK30_SY281 @ SY516 @ SV170 ) ) )
              | ~ ( in @ SY516 @ SV170 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1356]) ).

thf(1483,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
                  | ~ ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) )
              | ~ ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
                  | ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) ) ) )
        = $true )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1357]) ).

thf(1484,plain,
    ! [SV172: $i,SV213: $i] :
      ( ( ( ( SV213
           != ( powerset @ SV172 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY561: $i] :
                    ( ~ ( in @ SY561 @ SV213 )
                    | ( subset @ SY561 @ SV172 ) )
              | ~ ! [SY562: $i] :
                    ( ~ ( subset @ SY562 @ SV172 )
                    | ( in @ SY562 @ SV213 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1358]) ).

thf(1485,plain,
    ! [SV76: $i] :
      ( ( ( ! [SY442: $i] :
              ( ~ ( relation @ SY442 )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                      | ~ ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SV76 )
                      | ( in @ ( ordered_pair @ ( sK23_C @ SY442 @ SV76 ) @ ( sK24_SY280 @ SY442 @ SV76 ) ) @ SY442 ) ) )
              | ( SV76 = SY442 ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1359]) ).

thf(1486,plain,
    ! [SV76: $i] :
      ( ( ( ! [SY443: $i] :
              ( ~ ( relation @ SY443 )
              | ( SV76 != SY443 )
              | ~ ( ~ ! [SY444: $i,SY445: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SV76 )
                        | ( in @ ( ordered_pair @ SY444 @ SY445 ) @ SY443 ) )
                  | ~ ! [SY446: $i,SY447: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SY443 )
                        | ( in @ ( ordered_pair @ SY446 @ SY447 ) @ SV76 ) ) ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1360]) ).

thf(1487,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
          | ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) )
        = $true )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1361]) ).

thf(1488,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
          | ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) )
        = $true )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1362]) ).

thf(1489,plain,
    ! [SV173: $i,SV214: $i] :
      ( ( ( ~ ( relation @ SV214 ) )
        = $true )
      | ( ( subset @ ( relation_field @ ( relation_restriction @ SV214 @ SV173 ) ) @ ( relation_field @ SV214 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1363]) ).

thf(1490,plain,
    ! [SV174: $i,SV215: $i] :
      ( ( ( ~ ( relation @ SV215 ) )
        = $true )
      | ( ( subset @ ( relation_field @ ( relation_restriction @ SV215 @ SV174 ) ) @ SV174 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1364]) ).

thf(1491,plain,
    ! [SV216: $i,SV175: $i] :
      ( ( ( ~ ( subset @ SV175 @ SV216 )
          | ~ ( subset @ SV216 @ SV175 ) )
        = $true )
      | ( ( SV175 = SV216 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1365]) ).

thf(1492,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1366]) ).

thf(1493,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1367]) ).

thf(1494,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( ordinal @ ( sK51_B @ SV78 ) ) )
        = $true )
      | ( ( ~ ( subset @ ( sK51_B @ SV78 ) @ SV78 ) )
        = $true )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1369]) ).

thf(1495,plain,
    ! [SV217: $i,SV176: $i] :
      ( ( ( ~ ( ordinal @ SV176 )
          | ~ ( ordinal @ SV217 ) )
        = $true )
      | ( ( ~ ( ordinal_subset @ SV176 @ SV217 )
          | ( subset @ SV176 @ SV217 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1370]) ).

thf(1496,plain,
    ! [SV218: $i,SV177: $i] :
      ( ( ( ~ ( ordinal @ SV177 )
          | ~ ( ordinal @ SV218 ) )
        = $true )
      | ( ( ~ ( subset @ SV177 @ SV218 )
          | ( ordinal_subset @ SV177 @ SV218 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1371]) ).

thf(1497,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                      | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
                  | ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                      | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
            | ~ ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
                | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
        | ( SV237
          = ( set_union2 @ SV79 @ SV219 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1372]) ).

thf(1498,plain,
    ! [SV220: $i,SV79: $i,SV238: $i] :
      ( ( ( SV238
         != ( set_union2 @ SV79 @ SV220 ) )
        | ~ ( ~ ! [SY586: $i] :
                  ( ~ ( in @ SY586 @ SV238 )
                  | ( in @ SY586 @ SV79 )
                  | ( in @ SY586 @ SV220 ) )
            | ~ ~ ( ~ ! [SY587: $i] :
                        ( ~ ( in @ SY587 @ SV79 )
                        | ( in @ SY587 @ SV238 ) )
                  | ~ ! [SY588: $i] :
                        ( ~ ( in @ SY588 @ SV220 )
                        | ( in @ SY588 @ SV238 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1373]) ).

thf(1499,plain,
    ! [SV178: $i] :
      ( ( ( relation @ SV178 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
                    | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) )
              | ~ ( ( ( sK36_B @ SV178 )
                   != ( sK37_SY285 @ SV178 ) ) ) )
          | ( antisymmetric @ SV178 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1374]) ).

thf(1500,plain,
    ! [SV179: $i] :
      ( ( ( relation @ SV179 )
        = $false )
      | ( ( ~ ( antisymmetric @ SV179 )
          | ! [SY526: $i,SY527: $i] :
              ( ~ ( in @ ( ordered_pair @ SY526 @ SY527 ) @ SV179 )
              | ~ ( in @ ( ordered_pair @ SY527 @ SY526 ) @ SV179 )
              | ( SY526 = SY527 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1375]) ).

thf(1501,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ~ ( ~ ( ( ( sK28_C @ SV221 @ SV180 )
                   != SV180 )
                  | ~ ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) )
              | ~ ( ( ( sK28_C @ SV221 @ SV180 )
                    = SV180 )
                  | ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) ) ) )
        = $true )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1376]) ).

thf(1502,plain,
    ! [SV181: $i,SV222: $i] :
      ( ( ( ( SV222
           != ( singleton @ SV181 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY568: $i] :
                    ( ( SY568 != SV181 )
                    | ( in @ SY568 @ SV222 ) )
              | ~ ! [SY569: $i] :
                    ( ~ ( in @ SY569 @ SV222 )
                    | ( SY569 = SV181 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1377]) ).

thf(1503,plain,
    ! [SV80: $i] :
      ( ( ( ! [SY456: $i] :
              ( ~ ( ordinal @ SY456 )
              | ~ ( in @ SV80 @ SY456 )
              | ( ordinal_subset @ ( succ @ SV80 ) @ SY456 ) ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1378]) ).

thf(1504,plain,
    ! [SV80: $i] :
      ( ( ( ! [SY457: $i] :
              ( ~ ( ordinal @ SY457 )
              | ~ ( ordinal_subset @ ( succ @ SV80 ) @ SY457 )
              | ( in @ SV80 @ SY457 ) ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1379]) ).

thf(1505,plain,
    ! [SV182: $i] :
      ( ( ( ordinal @ SV182 )
        = $false )
      | ( ( epsilon_connected @ SV182 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1380]) ).

thf(1506,plain,
    ! [SV183: $i] :
      ( ( ( ordinal @ SV183 )
        = $false )
      | ( ( epsilon_transitive @ SV183 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1381]) ).

thf(1507,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV184 )
              | ~ ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV223 ) ) )
        = $true )
      | ( ( subset @ SV184 @ SV223 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1382]) ).

thf(1508,plain,
    ! [SV224: $i,SV185: $i] :
      ( ( ( ~ ( subset @ SV185 @ SV224 ) )
        = $true )
      | ( ( ! [SY570: $i] :
              ( ~ ( in @ SY570 @ SV185 )
              | ( in @ SY570 @ SV224 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1383]) ).

thf(1509,plain,
    ! [SV186: $i] :
      ( ( ( ~ ( epsilon_connected @ SV186 ) )
        = $true )
      | ( ( ~ ( epsilon_transitive @ SV186 ) )
        = $true )
      | ( ( ordinal @ SV186 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1384]) ).

thf(1510,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_connected @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1385]) ).

thf(1511,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_transitive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1386]) ).

thf(1512,plain,
    ! [SV136: $i,SV2: $i] :
      ( ( ( ( in @ SV2 @ SV136 )
          | ( SV2 = SV136 ) )
        = $true )
      | ( ( in @ SV136 @ SV2 )
        = $true )
      | ( ( ordinal @ SV136 )
        = $false )
      | ( ( ordinal @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1388]) ).

thf(1513,plain,
    ! [SV83: $i,SV10: $i] :
      ( ( ( ordinal_subset @ SV10 @ SV83 )
        = $true )
      | ( ( ordinal_subset @ SV83 @ SV10 )
        = $true )
      | ( ( ordinal @ SV10 )
        = $false )
      | ( ( ordinal @ SV83 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1390]) ).

thf(1514,plain,
    ! [SV137: $i,SV126: $i,SV86: $i,SV16: $i] :
      ( ( ( subset @ SV16 @ SV86 )
        = $false )
      | ( ( ~ ( subset @ SV126 @ SV137 ) )
        = $true )
      | ( ( subset @ ( cartesian_product2 @ SV16 @ SV126 ) @ ( cartesian_product2 @ SV86 @ SV137 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1392]) ).

thf(1515,plain,
    ! [SV127: $i,SV138: $i,SV88: $i,SV18: $i] :
      ( ( ( ~ ( subset @ SV18 @ SV88 ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV138 @ SV127 @ SV88 )
        = $true )
      | ( ( relation_of2_as_subset @ SV138 @ SV127 @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1393]) ).

thf(1516,plain,
    ! [SV128: $i,SV89: $i,SV19: $i] :
      ( ( ( subset @ SV19 @ SV89 )
        = $false )
      | ( ( subset @ ( relation_inverse_image @ SV128 @ SV19 ) @ ( relation_inverse_image @ SV128 @ SV89 ) )
        = $true )
      | ( ( relation @ SV128 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1394]) ).

thf(1517,plain,
    ! [SV91: $i,SV129: $i,SV21: $i] :
      ( ( ( subset @ SV21 @ SV129 )
        = $false )
      | ( ( subset @ SV21 @ SV91 )
        = $false )
      | ( ( subset @ SV21 @ ( set_intersection2 @ SV91 @ SV129 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1395]) ).

thf(1518,plain,
    ! [SV22: $i,SV130: $i,SV92: $i] :
      ( ( ( subset @ SV92 @ SV130 )
        = $false )
      | ( ( subset @ SV22 @ SV92 )
        = $false )
      | ( ( subset @ SV22 @ SV130 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1396]) ).

thf(1519,plain,
    ! [SV139: $i,SV23: $i] :
      ( ( ( ~ ( proper_subset @ SV23 @ SV139 ) )
        = $true )
      | ( ( in @ SV23 @ SV139 )
        = $true )
      | ( ( ordinal @ SV139 )
        = $false )
      | ( ( epsilon_transitive @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1397]) ).

thf(1520,plain,
    ! [SV103: $i,SV35: $i] :
      ( ( ( subset @ SV35 @ ( relation_field @ SV103 ) )
        = $false )
      | ( ( ~ ( well_ordering @ SV103 ) )
        = $true )
      | ( ( ( relation_field @ ( relation_restriction @ SV103 @ SV35 ) )
          = SV35 )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1403]) ).

thf(1521,plain,
    ! [SV36: $i,SV132: $i,SV104: $i] :
      ( ( ( in @ SV104 @ SV132 )
        = $false )
      | ( ( in @ SV36 @ SV104 )
        = $false )
      | ( ( ~ ( in @ SV132 @ SV36 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1404]) ).

thf(1522,plain,
    ! [SV133: $i,SV106: $i,SV39: $i] :
      ( ( ( subset @ SV39 @ SV106 )
        = $false )
      | ( ( disjoint @ SV106 @ SV133 )
        = $false )
      | ( ( disjoint @ SV39 @ SV133 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1405]) ).

thf(1523,plain,
    ! [SV43: $i,SV110: $i,SV134: $i] :
      ( ( ( subset @ SV134 @ SV110 )
        = $false )
      | ( ( subset @ SV43 @ SV110 )
        = $false )
      | ( ( subset @ ( set_union2 @ SV43 @ SV134 ) @ SV110 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1406]) ).

thf(1524,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( ~ ( ordinal @ ( sK35_C @ SV120 @ SV61 ) ) )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1411]) ).

thf(1525,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( ~ ~ ( ~ ! [SY471: $i] :
                      ( ~ ( ordinal @ SY471 )
                      | ~ ( in @ SY471 @ SV61 )
                      | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
                | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) ) )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1411]) ).

thf(1526,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                      | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                       != SV225 ) )
                  | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                            | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                             != SV62 ) )
                        | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                            | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                             != SV121 ) ) ) )
            | ~ ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                  = SV225 )
                | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                  = SV62 )
                | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                  = SV121 ) ) )
        | ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1412]) ).

thf(1527,plain,
    ! [SV226: $i,SV121: $i,SV62: $i,SV240: $i] :
      ( ( ( SV240
         != ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        | ~ ( ~ ! [SY589: $i] :
                  ( ~ ( in @ SY589 @ SV240 )
                  | ( SY589 = SV226 )
                  | ( SY589 = SV62 )
                  | ( SY589 = SV121 ) )
            | ~ ~ ( ~ ! [SY590: $i] :
                        ( ( SY590 != SV226 )
                        | ( in @ SY590 @ SV240 ) )
                  | ~ ~ ( ~ ! [SY591: $i] :
                              ( ( SY591 != SV62 )
                              | ( in @ SY591 @ SV240 ) )
                        | ~ ! [SY592: $i] :
                              ( ( SY592 != SV121 )
                              | ( in @ SY592 @ SV240 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1413]) ).

thf(1528,plain,
    ! [SV142: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK19_B @ SV142 )
                     != ( sK20_SY279 @ SV142 ) ) )
                | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                            | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
                      | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1414]) ).

thf(1529,plain,
    ! [SV142: $i] :
      ( ( ( ~ ~ ( in @ ( sK20_SY279 @ SV142 ) @ ( sK19_B @ SV142 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1414]) ).

thf(1530,plain,
    ! [SV143: $i,SV241: $i] :
      ( ( ( ! [SY593: $i] :
              ( ( SV241 = SY593 )
              | ~ ( in @ SV241 @ SV143 )
              | ~ ( in @ SY593 @ SV143 )
              | ( in @ SV241 @ SY593 )
              | ( in @ SY593 @ SV241 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1415]) ).

thf(1531,plain,
    ! [SV144: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
                    | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
              | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) ) )
        = $true )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1416]) ).

thf(1532,plain,
    ! [SV145: $i] :
      ( ( ( ~ ( transitive @ SV145 ) )
        = $true )
      | ( ( ! [SY493: $i,SY494: $i,SY495: $i] :
              ( ~ ( in @ ( ordered_pair @ SY493 @ SY494 ) @ SV145 )
              | ~ ( in @ ( ordered_pair @ SY494 @ SY495 ) @ SV145 )
              | ( in @ ( ordered_pair @ SY493 @ SY495 ) @ SV145 ) ) )
        = $true )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1417]) ).

thf(1533,plain,
    ! [SV190: $i,SV146: $i] :
      ( ( ( in @ SV146 @ SV190 )
        = $false )
      | ( ( subset @ ( singleton @ SV146 ) @ SV190 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1418]) ).

thf(1534,plain,
    ! [SV191: $i,SV147: $i] :
      ( ( ( subset @ ( singleton @ SV147 ) @ SV191 )
        = $false )
      | ( ( in @ SV147 @ SV191 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1419]) ).

thf(1535,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( empty @ ( succ @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1420]) ).

thf(1536,plain,
    ! [SV242: $i] :
      ( ( ~ ( ordinal @ SV242 )
        | ( epsilon_connected @ ( succ @ SV242 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1421]) ).

thf(1537,plain,
    ! [SV151: $i] :
      ( ( ( ~ ( in @ ( sK25_B @ SV151 ) @ SV151 ) )
        = $false )
      | ( ( epsilon_transitive @ SV151 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1425]) ).

thf(1538,plain,
    ! [SV151: $i] :
      ( ( ( ~ ~ ( subset @ ( sK25_B @ SV151 ) @ SV151 ) )
        = $false )
      | ( ( epsilon_transitive @ SV151 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1425]) ).

thf(1539,plain,
    ! [SV152: $i,SV243: $i] :
      ( ( ( ~ ( in @ SV243 @ SV152 )
          | ( subset @ SV243 @ SV152 ) )
        = $true )
      | ( ( epsilon_transitive @ SV152 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1426]) ).

thf(1540,plain,
    ! [SV154: $i,SV244: $i] :
      ( ( ( ~ ( in @ SV244 @ SV154 ) )
        = $true )
      | ( ( SV154 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1427]) ).

thf(1541,plain,
    ! [SV63: $i,SV122: $i,SV245: $i] :
      ( ( ( ~ ( in @ SV245 @ SV122 )
          | ~ ( in @ SV245 @ ( sK4_C @ SV122 @ SV63 ) ) )
        = $true )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1428]) ).

thf(1542,plain,
    ! [SV122: $i,SV63: $i] :
      ( ( ( in @ SV63 @ SV122 )
        = $false )
      | ( ( in @ ( sK4_C @ SV122 @ SV63 ) @ SV122 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1429]) ).

thf(1543,plain,
    ! [SV192: $i,SV64: $i,SV227: $i] :
      ( ( ( ~ ( relation @ SV227 ) )
        = $true )
      | ( ( ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV227 @ SV192 ) ) )
          | ( in @ SV64 @ ( relation_field @ SV227 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1430]) ).

thf(1544,plain,
    ! [SV193: $i,SV64: $i,SV228: $i] :
      ( ( ( ~ ( relation @ SV228 ) )
        = $true )
      | ( ( ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV228 @ SV193 ) ) )
          | ( in @ SV64 @ SV193 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1431]) ).

thf(1545,plain,
    ! [SV65: $i,SV194: $i] :
      ( ( ( ~ ( subset @ SV194 @ ( sK2_B @ SV65 ) ) )
        = $true )
      | ( ( are_equipotent @ SV194 @ ( sK2_B @ SV65 ) )
        = $true )
      | ( ( in @ SV194 @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1432]) ).

thf(1546,plain,
    ! [SV65: $i] :
      ( ( ! [SY385: $i] :
            ( ~ ( ~ ! [SY386: $i] :
                      ( ~ ( subset @ SY386 @ SY385 )
                      | ( in @ SY386 @ ( sK3_SY270 @ SY385 @ SV65 ) ) )
                | ~ ( in @ ( sK3_SY270 @ SY385 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
            | ~ ( in @ SY385 @ ( sK2_B @ SV65 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1433]) ).

thf(1547,plain,
    ! [SV65: $i] :
      ( ( ~ ( ~ ! [SY387: $i,SY388: $i] :
                  ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
                  | ~ ( subset @ SY388 @ SY387 )
                  | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
            | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1434]) ).

thf(1548,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( ! [SY537: $i] :
                  ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SY537 )
                  | ~ ( in @ SY537 @ SV155 ) )
              | ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
          | ~ ( ~ ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
                  | ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) )
              | ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) ) )
        = $false )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1435]) ).

thf(1549,plain,
    ! [SV156: $i,SV196: $i] :
      ( ( ( SV196
          = ( union @ SV156 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY538: $i] :
                    ( ! [SY504: $i] :
                        ( ~ ( in @ SY538 @ SY504 )
                        | ~ ( in @ SY504 @ SV156 ) )
                    | ( in @ SY538 @ SV196 ) )
              | ~ ! [SY540: $i] :
                    ( ~ ( in @ SY540 @ SV196 )
                    | ~ ( ~ ( in @ SY540 @ ( sK12_D @ SY540 @ SV196 @ SV156 ) )
                        | ~ ( in @ ( sK12_D @ SY540 @ SV196 @ SV156 ) @ SV156 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1436]) ).

thf(1550,plain,
    ( ( ~ ~ ( empty @ sK7_A )
      | ~ ( epsilon_transitive @ sK7_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1437]) ).

thf(1551,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( ~ ( ordinal @ ( sK33_B @ SV157 ) )
              | ~ ~ ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
                    | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) ) ) )
        = $true )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1439]) ).

thf(1552,plain,
    ! [SV158: $i] :
      ( ( ( ~ ( being_limit_ordinal @ SV158 ) )
        = $true )
      | ( ( ! [SY506: $i] :
              ( ~ ( ordinal @ SY506 )
              | ~ ( in @ SY506 @ SV158 )
              | ( in @ ( succ @ SY506 ) @ SV158 ) ) )
        = $true )
      | ( ( ordinal @ SV158 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1440]) ).

thf(1553,plain,
    ! [SV197: $i,SV159: $i] :
      ( ( ( SV159 = SV197 )
        = $true )
      | ( ( ~ ( subset @ SV159 @ SV197 ) )
        = $true )
      | ( ( proper_subset @ SV159 @ SV197 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1441]) ).

thf(1554,plain,
    ! [SV246: $i] :
      ( ( ! [SY594: $i] :
            ( ~ ( proper_subset @ SV246 @ SY594 )
            | ( SV246 != SY594 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1442]) ).

thf(1555,plain,
    ! [SV247: $i] :
      ( ( ! [SY595: $i] :
            ( ~ ( proper_subset @ SV247 @ SY595 )
            | ( subset @ SV247 @ SY595 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1443]) ).

thf(1556,plain,
    ! [SV248: $i] :
      ( ( ~ ( ordinal @ SV248 )
        | ( epsilon_connected @ ( union @ SV248 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1444]) ).

thf(1557,plain,
    ! [SV249: $i] :
      ( ( ~ ( ordinal @ SV249 )
        | ( epsilon_transitive @ ( union @ SV249 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1445]) ).

thf(1558,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ~ ! [SY390: $i] :
                ( ~ ( ordinal @ SY390 )
                | ~ ( in @ SY390 @ SV66 )
                | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) )
          | ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1449]) ).

thf(1559,plain,
    ! [SV198: $i,SV229: $i,SV67: $i] :
      ( ( ( ~ ( in @ SV67 @ SV229 )
          | ~ ( in @ SV198 @ SV229 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV67 @ SV198 ) @ SV229 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1450]) ).

thf(1560,plain,
    ! [SV67: $i] :
      ( ( ! [SY393: $i,SY394: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV67 @ SY393 ) @ SY394 )
            | ( in @ SV67 @ SY394 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1451]) ).

thf(1561,plain,
    ! [SV67: $i] :
      ( ( ! [SY395: $i,SY396: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV67 @ SY395 ) @ SY396 )
            | ( in @ SY395 @ SY396 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1452]) ).

thf(1562,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                             != ( sK45_SY295 @ SV123 @ SV68 ) )
                            | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                         != ( sK48_SY300 @ SV123 @ SV68 ) )
                                        | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                                  | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                      | ( ( sK44_C @ SV123 @ SV68 )
                       != ( sK46_SY299 @ SV123 @ SV68 ) ) )
                | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                             != ( sK47_SY303 @ SV123 @ SV68 ) )
                            | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                      | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1453]) ).

thf(1563,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
               != ( sK46_SY299 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1453]) ).

thf(1564,plain,
    ! [SV199: $i,SV69: $i] :
      ( ( ( subset @ SV69 @ SV199 )
        = $false )
      | ( ( ! [SY542: $i] : ( subset @ ( cartesian_product2 @ SV69 @ SY542 ) @ ( cartesian_product2 @ SV199 @ SY542 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1454]) ).

thf(1565,plain,
    ! [SV200: $i,SV69: $i] :
      ( ( ( subset @ SV69 @ SV200 )
        = $false )
      | ( ( ! [SY543: $i] : ( subset @ ( cartesian_product2 @ SY543 @ SV69 ) @ ( cartesian_product2 @ SY543 @ SV200 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1455]) ).

thf(1566,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                        | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                         != SV70 ) )
                    | ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                        | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                         != SV201 ) ) )
              | ~ ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                  | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                    = SV70 )
                  | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                    = SV201 ) ) ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1456]) ).

thf(1567,plain,
    ! [SV202: $i,SV70: $i,SV231: $i] :
      ( ( ( ( SV231
           != ( unordered_pair @ SV70 @ SV202 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY577: $i] :
                    ( ~ ( in @ SY577 @ SV231 )
                    | ( SY577 = SV70 )
                    | ( SY577 = SV202 ) )
              | ~ ~ ( ~ ! [SY578: $i] :
                          ( ( SY578 != SV70 )
                          | ( in @ SY578 @ SV231 ) )
                    | ~ ! [SY579: $i] :
                          ( ( SY579 != SV202 )
                          | ( in @ SY579 @ SV231 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1457]) ).

thf(1568,plain,
    ! [SV161: $i] :
      ( ( ( being_limit_ordinal @ SV161 )
        = $true )
      | ( ( ~ ( ~ ( ordinal @ ( sK50_B @ SV161 ) )
              | ( SV161
               != ( succ @ ( sK50_B @ SV161 ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV161 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1458]) ).

thf(1569,plain,
    ! [SV162: $i] :
      ( ( ( ! [SY508: $i] :
              ( ( SV162
               != ( succ @ SY508 ) )
              | ~ ( ordinal @ SY508 ) ) )
        = $true )
      | ( ( ~ ( being_limit_ordinal @ SV162 ) )
        = $true )
      | ( ( ordinal @ SV162 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1459]) ).

thf(1570,plain,
    ! [SV203: $i,SV71: $i,SV232: $i] :
      ( ( ( ~ ( relation @ SV232 ) )
        = $true )
      | ( ( ~ ( in @ SV71 @ SV232 )
          | ~ ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) )
          | ( in @ SV71 @ ( relation_restriction @ SV232 @ SV203 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1460]) ).

thf(1571,plain,
    ! [SV71: $i] :
      ( ( ! [SY415: $i,SY416: $i] :
            ( ~ ( relation @ SY416 )
            | ~ ( in @ SV71 @ ( relation_restriction @ SY416 @ SY415 ) )
            | ( in @ SV71 @ SY416 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1461]) ).

thf(1572,plain,
    ! [SV71: $i] :
      ( ( ! [SY417: $i,SY418: $i] :
            ( ~ ( relation @ SY418 )
            | ~ ( in @ SV71 @ ( relation_restriction @ SY418 @ SY417 ) )
            | ( in @ SV71 @ ( cartesian_product2 @ SY417 @ SY417 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1462]) ).

thf(1573,plain,
    ! [SV250: $i] :
      ( ( ~ ( empty @ SV250 )
        | ( epsilon_connected @ SV250 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1463]) ).

thf(1574,plain,
    ! [SV251: $i] :
      ( ( ~ ( empty @ SV251 )
        | ( epsilon_transitive @ SV251 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1464]) ).

thf(1575,plain,
    ! [SV164: $i] :
      ( ( ( ~ ( reflexive @ SV164 )
          | ~ ( transitive @ SV164 )
          | ~ ( antisymmetric @ SV164 )
          | ~ ( connected @ SV164 )
          | ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1466]) ).

thf(1576,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( reflexive @ SX0 ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( transitive @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( antisymmetric @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( connected @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1467]) ).

thf(1577,plain,
    ! [SV252: $i] :
      ( ( ~ ( relation @ SV252 )
        | ~ ( well_ordering @ SV252 )
        | ( well_founded_relation @ SV252 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1468]) ).

thf(1578,plain,
    ! [SV124: $i,SV72: $i] :
      ( ( ( ! [SY485: $i] :
              ( ! [SY421: $i] :
                  ( ( SY485 != SY421 )
                  | ~ ( ordinal @ SY421 )
                  | ~ ( in @ SY421 @ SV72 ) )
              | ~ ( in @ SY485 @ ( succ @ SV124 ) )
              | ( in @ SY485 @ ( sK52_C @ SV124 @ SV72 ) ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1469]) ).

thf(1579,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ~ ( ~ ! [SY487: $i] :
                    ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                    | ~ ( ~ ~ ( ( SY487
                               != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                              | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                        | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) )
              | ~ ! [SY488: $i] :
                    ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                    | ( in @ SY488 @ ( succ @ SV124 ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1470]) ).

thf(1580,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( ~ ( relation @ SV253 )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV73 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 ) )
          | ( subset @ SV73 @ SV253 ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1471]) ).

thf(1581,plain,
    ! [SV73: $i,SV254: $i] :
      ( ( ( ~ ( relation @ SV254 )
          | ~ ( subset @ SV73 @ SV254 )
          | ! [SY596: $i,SY597: $i] :
              ( ~ ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV73 )
              | ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV254 ) ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1472]) ).

thf(1582,plain,
    ! [SV204: $i,SV165: $i] :
      ( ( ( in @ SV165 @ SV204 )
        = $false )
      | ( ( subset @ ( singleton @ SV165 ) @ SV204 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1473]) ).

thf(1583,plain,
    ! [SV205: $i,SV166: $i] :
      ( ( ( subset @ ( singleton @ SV166 ) @ SV205 )
        = $false )
      | ( ( in @ SV166 @ SV205 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1474]) ).

thf(1584,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
                  | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
                  | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
              | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
                        | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
                    | ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
                        | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) ) ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1475]) ).

thf(1585,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( ( SV234
           != ( set_intersection2 @ SV74 @ SV207 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY580: $i] :
                    ( ~ ( in @ SY580 @ SV74 )
                    | ~ ( in @ SY580 @ SV207 )
                    | ( in @ SY580 @ SV234 ) )
              | ~ ~ ( ~ ! [SY581: $i] :
                          ( ~ ( in @ SY581 @ SV234 )
                          | ( in @ SY581 @ SV74 ) )
                    | ~ ! [SY582: $i] :
                          ( ~ ( in @ SY582 @ SV234 )
                          | ( in @ SY582 @ SV207 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1476]) ).

thf(1586,plain,
    ! [SV167: $i,SV208: $i] :
      ( ( ( ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV167 )
          | ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV208 ) )
        = $false )
      | ( ( disjoint @ SV167 @ SV208 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1477]) ).

thf(1587,plain,
    ! [SV209: $i,SV168: $i,SV255: $i] :
      ( ( ( ~ ( in @ SV255 @ SV168 )
          | ~ ( in @ SV255 @ SV209 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV168 @ SV209 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1478]) ).

thf(1588,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
                  | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
                  | ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
              | ~ ~ ( ~ ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
                        | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
                    | ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
                        | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) ) ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1479]) ).

thf(1589,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( ( SV236
           != ( set_difference @ SV75 @ SV211 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY583: $i] :
                    ( ~ ( in @ SY583 @ SV75 )
                    | ( in @ SY583 @ SV211 )
                    | ( in @ SY583 @ SV236 ) )
              | ~ ~ ( ~ ! [SY584: $i] :
                          ( ~ ( in @ SY584 @ SV236 )
                          | ( in @ SY584 @ SV75 ) )
                    | ~ ! [SY585: $i] :
                          ( ~ ( in @ SY585 @ SV236 )
                          | ~ ( in @ SY585 @ SV211 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1480]) ).

thf(1590,plain,
    ! [SV169: $i] :
      ( ( ( ~ ! [SY514: $i,SY515: $i] :
                ( ( sK31_B @ SV169 )
               != ( ordered_pair @ SY514 @ SY515 ) ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1481]) ).

thf(1591,plain,
    ! [SV169: $i] :
      ( ( ( ~ ( in @ ( sK31_B @ SV169 ) @ SV169 ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1481]) ).

thf(1592,plain,
    ! [SV170: $i,SV256: $i] :
      ( ( ( ( SV256
            = ( ordered_pair @ ( sK29_C @ SV256 @ SV170 ) @ ( sK30_SY281 @ SV256 @ SV170 ) ) )
          | ~ ( in @ SV256 @ SV170 ) )
        = $true )
      | ( ( relation @ SV170 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1482]) ).

thf(1593,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
              | ~ ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) )
          | ~ ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
              | ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) ) )
        = $false )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1483]) ).

thf(1594,plain,
    ! [SV172: $i,SV213: $i] :
      ( ( ( SV213
          = ( powerset @ SV172 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY561: $i] :
                    ( ~ ( in @ SY561 @ SV213 )
                    | ( subset @ SY561 @ SV172 ) )
              | ~ ! [SY562: $i] :
                    ( ~ ( subset @ SY562 @ SV172 )
                    | ( in @ SY562 @ SV213 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1484]) ).

thf(1595,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( relation @ SV257 )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) ) )
          | ( SV76 = SV257 ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1485]) ).

thf(1596,plain,
    ! [SV76: $i,SV258: $i] :
      ( ( ( ~ ( relation @ SV258 )
          | ( SV76 != SV258 )
          | ~ ( ~ ! [SY598: $i,SY599: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
                    | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) )
              | ~ ! [SY600: $i,SY601: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
                    | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1486]) ).

thf(1597,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 ) )
        = $true )
      | ( ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) )
        = $true )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1487]) ).

thf(1598,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
        = $true )
      | ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 )
        = $true )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1488]) ).

thf(1599,plain,
    ! [SV173: $i,SV214: $i] :
      ( ( ( relation @ SV214 )
        = $false )
      | ( ( subset @ ( relation_field @ ( relation_restriction @ SV214 @ SV173 ) ) @ ( relation_field @ SV214 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1489]) ).

thf(1600,plain,
    ! [SV174: $i,SV215: $i] :
      ( ( ( relation @ SV215 )
        = $false )
      | ( ( subset @ ( relation_field @ ( relation_restriction @ SV215 @ SV174 ) ) @ SV174 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1490]) ).

thf(1601,plain,
    ! [SV216: $i,SV175: $i] :
      ( ( ( ~ ( subset @ SV175 @ SV216 ) )
        = $true )
      | ( ( ~ ( subset @ SV216 @ SV175 ) )
        = $true )
      | ( ( SV175 = SV216 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1491]) ).

thf(1602,plain,
    ! [SV259: $i] :
      ( ( ! [SY602: $i] :
            ( ( SV259 != SY602 )
            | ( subset @ SV259 @ SY602 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1492]) ).

thf(1603,plain,
    ! [SV260: $i] :
      ( ( ! [SY603: $i] :
            ( ( SV260 != SY603 )
            | ( subset @ SY603 @ SV260 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1493]) ).

thf(1604,plain,
    ! [SV78: $i] :
      ( ( ( ordinal @ ( sK51_B @ SV78 ) )
        = $false )
      | ( ( ~ ( subset @ ( sK51_B @ SV78 ) @ SV78 ) )
        = $true )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1494]) ).

thf(1605,plain,
    ! [SV217: $i,SV176: $i] :
      ( ( ( ~ ( ordinal @ SV176 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV217 ) )
        = $true )
      | ( ( ~ ( ordinal_subset @ SV176 @ SV217 )
          | ( subset @ SV176 @ SV217 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1495]) ).

thf(1606,plain,
    ! [SV218: $i,SV177: $i] :
      ( ( ( ~ ( ordinal @ SV177 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV218 ) )
        = $true )
      | ( ( ~ ( subset @ SV177 @ SV218 )
          | ( ordinal_subset @ SV177 @ SV218 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1496]) ).

thf(1607,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                        | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
                    | ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                        | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
              | ~ ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                  | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
                  | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1497]) ).

thf(1608,plain,
    ! [SV220: $i,SV79: $i,SV238: $i] :
      ( ( ( ( SV238
           != ( set_union2 @ SV79 @ SV220 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY586: $i] :
                    ( ~ ( in @ SY586 @ SV238 )
                    | ( in @ SY586 @ SV79 )
                    | ( in @ SY586 @ SV220 ) )
              | ~ ~ ( ~ ! [SY587: $i] :
                          ( ~ ( in @ SY587 @ SV79 )
                          | ( in @ SY587 @ SV238 ) )
                    | ~ ! [SY588: $i] :
                          ( ~ ( in @ SY588 @ SV220 )
                          | ( in @ SY588 @ SV238 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1498]) ).

thf(1609,plain,
    ! [SV178: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
                    | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) )
              | ~ ( ( ( sK36_B @ SV178 )
                   != ( sK37_SY285 @ SV178 ) ) ) ) )
        = $true )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1499]) ).

thf(1610,plain,
    ! [SV179: $i] :
      ( ( ( ~ ( antisymmetric @ SV179 ) )
        = $true )
      | ( ( ! [SY526: $i,SY527: $i] :
              ( ~ ( in @ ( ordered_pair @ SY526 @ SY527 ) @ SV179 )
              | ~ ( in @ ( ordered_pair @ SY527 @ SY526 ) @ SV179 )
              | ( SY526 = SY527 ) ) )
        = $true )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1500]) ).

thf(1611,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ~ ( ( ( sK28_C @ SV221 @ SV180 )
               != SV180 )
              | ~ ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) )
          | ~ ( ( ( sK28_C @ SV221 @ SV180 )
                = SV180 )
              | ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) ) )
        = $false )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1501]) ).

thf(1612,plain,
    ! [SV181: $i,SV222: $i] :
      ( ( ( SV222
          = ( singleton @ SV181 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY568: $i] :
                    ( ( SY568 != SV181 )
                    | ( in @ SY568 @ SV222 ) )
              | ~ ! [SY569: $i] :
                    ( ~ ( in @ SY569 @ SV222 )
                    | ( SY569 = SV181 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1502]) ).

thf(1613,plain,
    ! [SV80: $i,SV261: $i] :
      ( ( ( ~ ( ordinal @ SV261 )
          | ~ ( in @ SV80 @ SV261 )
          | ( ordinal_subset @ ( succ @ SV80 ) @ SV261 ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1503]) ).

thf(1614,plain,
    ! [SV80: $i,SV262: $i] :
      ( ( ( ~ ( ordinal @ SV262 )
          | ~ ( ordinal_subset @ ( succ @ SV80 ) @ SV262 )
          | ( in @ SV80 @ SV262 ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1504]) ).

thf(1615,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ( ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV184 )
          | ~ ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV223 ) )
        = $false )
      | ( ( subset @ SV184 @ SV223 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1507]) ).

thf(1616,plain,
    ! [SV224: $i,SV185: $i] :
      ( ( ( subset @ SV185 @ SV224 )
        = $false )
      | ( ( ! [SY570: $i] :
              ( ~ ( in @ SY570 @ SV185 )
              | ( in @ SY570 @ SV224 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1508]) ).

thf(1617,plain,
    ! [SV186: $i] :
      ( ( ( epsilon_connected @ SV186 )
        = $false )
      | ( ( ~ ( epsilon_transitive @ SV186 ) )
        = $true )
      | ( ( ordinal @ SV186 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1509]) ).

thf(1618,plain,
    ! [SV263: $i] :
      ( ( ~ ( ordinal @ SV263 )
        | ( epsilon_connected @ SV263 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1510]) ).

thf(1619,plain,
    ! [SV264: $i] :
      ( ( ~ ( ordinal @ SV264 )
        | ( epsilon_transitive @ SV264 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1511]) ).

thf(1620,plain,
    ! [SV136: $i,SV2: $i] :
      ( ( ( in @ SV2 @ SV136 )
        = $true )
      | ( ( SV2 = SV136 )
        = $true )
      | ( ( in @ SV136 @ SV2 )
        = $true )
      | ( ( ordinal @ SV136 )
        = $false )
      | ( ( ordinal @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1512]) ).

thf(1621,plain,
    ! [SV86: $i,SV16: $i,SV137: $i,SV126: $i] :
      ( ( ( subset @ SV126 @ SV137 )
        = $false )
      | ( ( subset @ SV16 @ SV86 )
        = $false )
      | ( ( subset @ ( cartesian_product2 @ SV16 @ SV126 ) @ ( cartesian_product2 @ SV86 @ SV137 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1514]) ).

thf(1622,plain,
    ! [SV127: $i,SV138: $i,SV88: $i,SV18: $i] :
      ( ( ( subset @ SV18 @ SV88 )
        = $false )
      | ( ( relation_of2_as_subset @ SV138 @ SV127 @ SV88 )
        = $true )
      | ( ( relation_of2_as_subset @ SV138 @ SV127 @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1515]) ).

thf(1623,plain,
    ! [SV139: $i,SV23: $i] :
      ( ( ( proper_subset @ SV23 @ SV139 )
        = $false )
      | ( ( in @ SV23 @ SV139 )
        = $true )
      | ( ( ordinal @ SV139 )
        = $false )
      | ( ( epsilon_transitive @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1519]) ).

thf(1624,plain,
    ! [SV35: $i,SV103: $i] :
      ( ( ( well_ordering @ SV103 )
        = $false )
      | ( ( subset @ SV35 @ ( relation_field @ SV103 ) )
        = $false )
      | ( ( ( relation_field @ ( relation_restriction @ SV103 @ SV35 ) )
          = SV35 )
        = $true )
      | ( ( relation @ SV103 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1520]) ).

thf(1625,plain,
    ! [SV104: $i,SV36: $i,SV132: $i] :
      ( ( ( in @ SV132 @ SV36 )
        = $false )
      | ( ( in @ SV36 @ SV104 )
        = $false )
      | ( ( in @ SV104 @ SV132 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1521]) ).

thf(1626,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1524]) ).

thf(1627,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( ~ ( ~ ! [SY471: $i] :
                    ( ~ ( ordinal @ SY471 )
                    | ~ ( in @ SY471 @ SV61 )
                    | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
              | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) ) )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1525]) ).

thf(1628,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                        | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                         != SV225 ) )
                    | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                               != SV62 ) )
                          | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                               != SV121 ) ) ) )
              | ~ ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                  | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                    = SV225 )
                  | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                    = SV62 )
                  | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                    = SV121 ) ) ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1526]) ).

thf(1629,plain,
    ! [SV226: $i,SV121: $i,SV62: $i,SV240: $i] :
      ( ( ( ( SV240
           != ( unordered_triple @ SV62 @ SV121 @ SV226 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY589: $i] :
                    ( ~ ( in @ SY589 @ SV240 )
                    | ( SY589 = SV226 )
                    | ( SY589 = SV62 )
                    | ( SY589 = SV121 ) )
              | ~ ~ ( ~ ! [SY590: $i] :
                          ( ( SY590 != SV226 )
                          | ( in @ SY590 @ SV240 ) )
                    | ~ ~ ( ~ ! [SY591: $i] :
                                ( ( SY591 != SV62 )
                                | ( in @ SY591 @ SV240 ) )
                          | ~ ! [SY592: $i] :
                                ( ( SY592 != SV121 )
                                | ( in @ SY592 @ SV240 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1527]) ).

thf(1630,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( ~ ( ( ( sK19_B @ SV142 )
                   != ( sK20_SY279 @ SV142 ) ) )
              | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                          | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
                    | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) ) )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1528]) ).

thf(1631,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( in @ ( sK20_SY279 @ SV142 ) @ ( sK19_B @ SV142 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1529]) ).

thf(1632,plain,
    ! [SV143: $i,SV265: $i,SV241: $i] :
      ( ( ( ( SV241 = SV265 )
          | ~ ( in @ SV241 @ SV143 )
          | ~ ( in @ SV265 @ SV143 )
          | ( in @ SV241 @ SV265 )
          | ( in @ SV265 @ SV241 ) )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1530]) ).

thf(1633,plain,
    ! [SV144: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
                | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
          | ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
        = $false )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1531]) ).

thf(1634,plain,
    ! [SV145: $i] :
      ( ( ( transitive @ SV145 )
        = $false )
      | ( ( ! [SY493: $i,SY494: $i,SY495: $i] :
              ( ~ ( in @ ( ordered_pair @ SY493 @ SY494 ) @ SV145 )
              | ~ ( in @ ( ordered_pair @ SY494 @ SY495 ) @ SV145 )
              | ( in @ ( ordered_pair @ SY493 @ SY495 ) @ SV145 ) ) )
        = $true )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1532]) ).

thf(1635,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ~ ( empty @ ( succ @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1535]) ).

thf(1636,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ordinal @ SX0 )
            | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1535]) ).

thf(1637,plain,
    ! [SV242: $i] :
      ( ( ( ~ ( ordinal @ SV242 ) )
        = $true )
      | ( ( epsilon_connected @ ( succ @ SV242 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1536]) ).

thf(1638,plain,
    ! [SV151: $i] :
      ( ( ( in @ ( sK25_B @ SV151 ) @ SV151 )
        = $true )
      | ( ( epsilon_transitive @ SV151 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1537]) ).

thf(1639,plain,
    ! [SV151: $i] :
      ( ( ( ~ ( subset @ ( sK25_B @ SV151 ) @ SV151 ) )
        = $true )
      | ( ( epsilon_transitive @ SV151 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1538]) ).

thf(1640,plain,
    ! [SV152: $i,SV243: $i] :
      ( ( ( ~ ( in @ SV243 @ SV152 ) )
        = $true )
      | ( ( subset @ SV243 @ SV152 )
        = $true )
      | ( ( epsilon_transitive @ SV152 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1539]) ).

thf(1641,plain,
    ! [SV154: $i,SV244: $i] :
      ( ( ( in @ SV244 @ SV154 )
        = $false )
      | ( ( SV154 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1540]) ).

thf(1642,plain,
    ! [SV63: $i,SV122: $i,SV245: $i] :
      ( ( ( ~ ( in @ SV245 @ SV122 ) )
        = $true )
      | ( ( ~ ( in @ SV245 @ ( sK4_C @ SV122 @ SV63 ) ) )
        = $true )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1541]) ).

thf(1643,plain,
    ! [SV192: $i,SV64: $i,SV227: $i] :
      ( ( ( relation @ SV227 )
        = $false )
      | ( ( ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV227 @ SV192 ) ) )
          | ( in @ SV64 @ ( relation_field @ SV227 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1543]) ).

thf(1644,plain,
    ! [SV193: $i,SV64: $i,SV228: $i] :
      ( ( ( relation @ SV228 )
        = $false )
      | ( ( ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV228 @ SV193 ) ) )
          | ( in @ SV64 @ SV193 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1544]) ).

thf(1645,plain,
    ! [SV65: $i,SV194: $i] :
      ( ( ( subset @ SV194 @ ( sK2_B @ SV65 ) )
        = $false )
      | ( ( are_equipotent @ SV194 @ ( sK2_B @ SV65 ) )
        = $true )
      | ( ( in @ SV194 @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1545]) ).

thf(1646,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ~ ( ~ ! [SY604: $i] :
                  ( ~ ( subset @ SY604 @ SV266 )
                  | ( in @ SY604 @ ( sK3_SY270 @ SV266 @ SV65 ) ) )
            | ~ ( in @ ( sK3_SY270 @ SV266 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
        | ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1546]) ).

thf(1647,plain,
    ! [SV65: $i] :
      ( ( ~ ! [SY387: $i,SY388: $i] :
              ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
              | ~ ( subset @ SY388 @ SY387 )
              | ( in @ SY388 @ ( sK2_B @ SV65 ) ) )
        | ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1547]) ).

thf(1648,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( ! [SY537: $i] :
                  ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SY537 )
                  | ~ ( in @ SY537 @ SV155 ) )
              | ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) ) )
        = $false )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1548]) ).

thf(1649,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
                  | ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) )
              | ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) ) )
        = $false )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1548]) ).

thf(1650,plain,
    ! [SV196: $i,SV156: $i] :
      ( ( ( ~ ! [SY538: $i] :
                ( ! [SY504: $i] :
                    ( ~ ( in @ SY538 @ SY504 )
                    | ~ ( in @ SY504 @ SV156 ) )
                | ( in @ SY538 @ SV196 ) )
          | ~ ! [SY540: $i] :
                ( ~ ( in @ SY540 @ SV196 )
                | ~ ( ~ ( in @ SY540 @ ( sK12_D @ SY540 @ SV196 @ SV156 ) )
                    | ~ ( in @ ( sK12_D @ SY540 @ SV196 @ SV156 ) @ SV156 ) ) ) )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1549]) ).

thf(1651,plain,
    ( ( ~ ~ ( empty @ sK7_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1550]) ).

thf(1652,plain,
    ( ( ~ ( epsilon_transitive @ sK7_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1550]) ).

thf(1653,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( ordinal @ ( sK33_B @ SV157 ) )
          | ~ ~ ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
                | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) ) )
        = $false )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1551]) ).

thf(1654,plain,
    ! [SV158: $i] :
      ( ( ( being_limit_ordinal @ SV158 )
        = $false )
      | ( ( ! [SY506: $i] :
              ( ~ ( ordinal @ SY506 )
              | ~ ( in @ SY506 @ SV158 )
              | ( in @ ( succ @ SY506 ) @ SV158 ) ) )
        = $true )
      | ( ( ordinal @ SV158 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1552]) ).

thf(1655,plain,
    ! [SV197: $i,SV159: $i] :
      ( ( ( subset @ SV159 @ SV197 )
        = $false )
      | ( ( SV159 = SV197 )
        = $true )
      | ( ( proper_subset @ SV159 @ SV197 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1553]) ).

thf(1656,plain,
    ! [SV267: $i,SV246: $i] :
      ( ( ~ ( proper_subset @ SV246 @ SV267 )
        | ( SV246 != SV267 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1554]) ).

thf(1657,plain,
    ! [SV268: $i,SV247: $i] :
      ( ( ~ ( proper_subset @ SV247 @ SV268 )
        | ( subset @ SV247 @ SV268 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1555]) ).

thf(1658,plain,
    ! [SV248: $i] :
      ( ( ( ~ ( ordinal @ SV248 ) )
        = $true )
      | ( ( epsilon_connected @ ( union @ SV248 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1556]) ).

thf(1659,plain,
    ! [SV249: $i] :
      ( ( ( ~ ( ordinal @ SV249 ) )
        = $true )
      | ( ( epsilon_transitive @ ( union @ SV249 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1557]) ).

thf(1660,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ~ ! [SY390: $i] :
                ( ~ ( ordinal @ SY390 )
                | ~ ( in @ SY390 @ SV66 )
                | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) ) )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1661,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
                | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1662,plain,
    ! [SV198: $i,SV229: $i,SV67: $i] :
      ( ( ( ~ ( in @ SV67 @ SV229 ) )
        = $true )
      | ( ( ~ ( in @ SV198 @ SV229 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV67 @ SV198 ) @ SV229 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1559]) ).

thf(1663,plain,
    ! [SV269: $i,SV67: $i] :
      ( ( ! [SY605: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV67 @ SV269 ) @ SY605 )
            | ( in @ SV67 @ SY605 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1560]) ).

thf(1664,plain,
    ! [SV270: $i,SV67: $i] :
      ( ( ! [SY606: $i] :
            ( ~ ( subset @ ( unordered_pair @ SV67 @ SV270 ) @ SY606 )
            | ( in @ SV270 @ SY606 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1561]) ).

thf(1665,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                           != ( sK45_SY295 @ SV123 @ SV68 ) )
                          | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                       != ( sK48_SY300 @ SV123 @ SV68 ) )
                                      | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                                | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                    | ( ( sK44_C @ SV123 @ SV68 )
                     != ( sK46_SY299 @ SV123 @ SV68 ) ) )
              | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                           != ( sK47_SY303 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1562]) ).

thf(1666,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK45_SY295 @ SV123 @ SV68 )
           != ( sK46_SY299 @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1563]) ).

thf(1667,plain,
    ! [SV199: $i,SV271: $i,SV69: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV69 @ SV271 ) @ ( cartesian_product2 @ SV199 @ SV271 ) )
        = $true )
      | ( ( subset @ SV69 @ SV199 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1564]) ).

thf(1668,plain,
    ! [SV200: $i,SV69: $i,SV272: $i] :
      ( ( ( subset @ ( cartesian_product2 @ SV272 @ SV69 ) @ ( cartesian_product2 @ SV272 @ SV200 ) )
        = $true )
      | ( ( subset @ SV69 @ SV200 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1565]) ).

thf(1669,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                    | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                     != SV70 ) )
                | ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                    | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                     != SV201 ) ) )
          | ~ ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                = SV70 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                = SV201 ) ) )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1566]) ).

thf(1670,plain,
    ! [SV202: $i,SV70: $i,SV231: $i] :
      ( ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY577: $i] :
                    ( ~ ( in @ SY577 @ SV231 )
                    | ( SY577 = SV70 )
                    | ( SY577 = SV202 ) )
              | ~ ~ ( ~ ! [SY578: $i] :
                          ( ( SY578 != SV70 )
                          | ( in @ SY578 @ SV231 ) )
                    | ~ ! [SY579: $i] :
                          ( ( SY579 != SV202 )
                          | ( in @ SY579 @ SV231 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1567]) ).

thf(1671,plain,
    ! [SV161: $i] :
      ( ( ( ~ ( ordinal @ ( sK50_B @ SV161 ) )
          | ( SV161
           != ( succ @ ( sK50_B @ SV161 ) ) ) )
        = $false )
      | ( ( being_limit_ordinal @ SV161 )
        = $true )
      | ( ( ordinal @ SV161 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1568]) ).

thf(1672,plain,
    ! [SV273: $i,SV162: $i] :
      ( ( ( ( SV162
           != ( succ @ SV273 ) )
          | ~ ( ordinal @ SV273 ) )
        = $true )
      | ( ( ~ ( being_limit_ordinal @ SV162 ) )
        = $true )
      | ( ( ordinal @ SV162 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1569]) ).

thf(1673,plain,
    ! [SV203: $i,SV71: $i,SV232: $i] :
      ( ( ( relation @ SV232 )
        = $false )
      | ( ( ~ ( in @ SV71 @ SV232 )
          | ~ ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) )
          | ( in @ SV71 @ ( relation_restriction @ SV232 @ SV203 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1570]) ).

thf(1674,plain,
    ! [SV274: $i,SV71: $i] :
      ( ( ! [SY607: $i] :
            ( ~ ( relation @ SY607 )
            | ~ ( in @ SV71 @ ( relation_restriction @ SY607 @ SV274 ) )
            | ( in @ SV71 @ SY607 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1571]) ).

thf(1675,plain,
    ! [SV275: $i,SV71: $i] :
      ( ( ! [SY608: $i] :
            ( ~ ( relation @ SY608 )
            | ~ ( in @ SV71 @ ( relation_restriction @ SY608 @ SV275 ) )
            | ( in @ SV71 @ ( cartesian_product2 @ SV275 @ SV275 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1572]) ).

thf(1676,plain,
    ! [SV250: $i] :
      ( ( ( ~ ( empty @ SV250 ) )
        = $true )
      | ( ( epsilon_connected @ SV250 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1573]) ).

thf(1677,plain,
    ! [SV251: $i] :
      ( ( ( ~ ( empty @ SV251 ) )
        = $true )
      | ( ( epsilon_transitive @ SV251 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1574]) ).

thf(1678,plain,
    ! [SV164: $i] :
      ( ( ( ~ ( reflexive @ SV164 )
          | ~ ( transitive @ SV164 )
          | ~ ( antisymmetric @ SV164 )
          | ~ ( connected @ SV164 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1575]) ).

thf(1679,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( reflexive @ SX0 ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( relation @ SX0 )
                        | ~ ( well_ordering @ SX0 )
                        | ( transitive @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( antisymmetric @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1576]) ).

thf(1680,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( connected @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1576]) ).

thf(1681,plain,
    ! [SV252: $i] :
      ( ( ( ~ ( relation @ SV252 ) )
        = $true )
      | ( ( ~ ( well_ordering @ SV252 )
          | ( well_founded_relation @ SV252 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1577]) ).

thf(1682,plain,
    ! [SV124: $i,SV72: $i,SV276: $i] :
      ( ( ( ! [SY609: $i] :
              ( ( SV276 != SY609 )
              | ~ ( ordinal @ SY609 )
              | ~ ( in @ SY609 @ SV72 ) )
          | ~ ( in @ SV276 @ ( succ @ SV124 ) )
          | ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1578]) ).

thf(1683,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ~ ! [SY487: $i] :
                ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                | ~ ( ~ ~ ( ( SY487
                           != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                          | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                    | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) )
          | ~ ! [SY488: $i] :
                ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                | ( in @ SY488 @ ( succ @ SV124 ) ) ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1579]) ).

thf(1684,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( ~ ( relation @ SV253 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV73 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 ) )
          | ( subset @ SV73 @ SV253 ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1580]) ).

thf(1685,plain,
    ! [SV73: $i,SV254: $i] :
      ( ( ( ~ ( relation @ SV254 ) )
        = $true )
      | ( ( ~ ( subset @ SV73 @ SV254 )
          | ! [SY596: $i,SY597: $i] :
              ( ~ ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV73 )
              | ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV254 ) ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1581]) ).

thf(1686,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
              | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
              | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
          | ~ ~ ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
                    | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
                | ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
                    | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) ) )
        = $false )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1584]) ).

thf(1687,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY580: $i] :
                    ( ~ ( in @ SY580 @ SV74 )
                    | ~ ( in @ SY580 @ SV207 )
                    | ( in @ SY580 @ SV234 ) )
              | ~ ~ ( ~ ! [SY581: $i] :
                          ( ~ ( in @ SY581 @ SV234 )
                          | ( in @ SY581 @ SV74 ) )
                    | ~ ! [SY582: $i] :
                          ( ~ ( in @ SY582 @ SV234 )
                          | ( in @ SY582 @ SV207 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1585]) ).

thf(1688,plain,
    ! [SV167: $i,SV208: $i] :
      ( ( ( ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV167 ) )
        = $false )
      | ( ( disjoint @ SV167 @ SV208 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1586]) ).

thf(1689,plain,
    ! [SV167: $i,SV208: $i] :
      ( ( ( ~ ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV208 ) )
        = $false )
      | ( ( disjoint @ SV167 @ SV208 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1586]) ).

thf(1690,plain,
    ! [SV209: $i,SV168: $i,SV255: $i] :
      ( ( ( ~ ( in @ SV255 @ SV168 ) )
        = $true )
      | ( ( ~ ( in @ SV255 @ SV209 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV168 @ SV209 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1587]) ).

thf(1691,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
              | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
              | ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
          | ~ ~ ( ~ ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
                    | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
                | ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
                    | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) ) )
        = $false )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1588]) ).

thf(1692,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY583: $i] :
                    ( ~ ( in @ SY583 @ SV75 )
                    | ( in @ SY583 @ SV211 )
                    | ( in @ SY583 @ SV236 ) )
              | ~ ~ ( ~ ! [SY584: $i] :
                          ( ~ ( in @ SY584 @ SV236 )
                          | ( in @ SY584 @ SV75 ) )
                    | ~ ! [SY585: $i] :
                          ( ~ ( in @ SY585 @ SV236 )
                          | ~ ( in @ SY585 @ SV211 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1589]) ).

thf(1693,plain,
    ! [SV169: $i] :
      ( ( ( ! [SY514: $i,SY515: $i] :
              ( ( sK31_B @ SV169 )
             != ( ordered_pair @ SY514 @ SY515 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1590]) ).

thf(1694,plain,
    ! [SV169: $i] :
      ( ( ( in @ ( sK31_B @ SV169 ) @ SV169 )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1591]) ).

thf(1695,plain,
    ! [SV170: $i,SV256: $i] :
      ( ( ( SV256
          = ( ordered_pair @ ( sK29_C @ SV256 @ SV170 ) @ ( sK30_SY281 @ SV256 @ SV170 ) ) )
        = $true )
      | ( ( ~ ( in @ SV256 @ SV170 ) )
        = $true )
      | ( ( relation @ SV170 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1592]) ).

thf(1696,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
              | ~ ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) ) )
        = $false )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1593]) ).

thf(1697,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( ~ ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
              | ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) ) )
        = $false )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1593]) ).

thf(1698,plain,
    ! [SV172: $i,SV213: $i] :
      ( ( ( ~ ! [SY561: $i] :
                ( ~ ( in @ SY561 @ SV213 )
                | ( subset @ SY561 @ SV172 ) )
          | ~ ! [SY562: $i] :
                ( ~ ( subset @ SY562 @ SV172 )
                | ( in @ SY562 @ SV213 ) ) )
        = $false )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1594]) ).

thf(1699,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( relation @ SV257 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) ) )
          | ( SV76 = SV257 ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1595]) ).

thf(1700,plain,
    ! [SV76: $i,SV258: $i] :
      ( ( ( ~ ( relation @ SV258 ) )
        = $true )
      | ( ( ( SV76 != SV258 )
          | ~ ( ~ ! [SY598: $i,SY599: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
                    | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) )
              | ~ ! [SY600: $i,SY601: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
                    | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1596]) ).

thf(1701,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
        = $false )
      | ( ( ~ ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 ) )
        = $true )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1597]) ).

thf(1702,plain,
    ! [SV216: $i,SV175: $i] :
      ( ( ( subset @ SV175 @ SV216 )
        = $false )
      | ( ( ~ ( subset @ SV216 @ SV175 ) )
        = $true )
      | ( ( SV175 = SV216 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1601]) ).

thf(1703,plain,
    ! [SV277: $i,SV259: $i] :
      ( ( ( SV259 != SV277 )
        | ( subset @ SV259 @ SV277 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1602]) ).

thf(1704,plain,
    ! [SV278: $i,SV260: $i] :
      ( ( ( SV260 != SV278 )
        | ( subset @ SV278 @ SV260 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1603]) ).

thf(1705,plain,
    ! [SV78: $i] :
      ( ( ( subset @ ( sK51_B @ SV78 ) @ SV78 )
        = $false )
      | ( ( ordinal @ ( sK51_B @ SV78 ) )
        = $false )
      | ( ( ordinal @ SV78 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1604]) ).

thf(1706,plain,
    ! [SV217: $i,SV176: $i] :
      ( ( ( ordinal @ SV176 )
        = $false )
      | ( ( ~ ( ordinal @ SV217 ) )
        = $true )
      | ( ( ~ ( ordinal_subset @ SV176 @ SV217 )
          | ( subset @ SV176 @ SV217 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1605]) ).

thf(1707,plain,
    ! [SV218: $i,SV177: $i] :
      ( ( ( ordinal @ SV177 )
        = $false )
      | ( ( ~ ( ordinal @ SV218 ) )
        = $true )
      | ( ( ~ ( subset @ SV177 @ SV218 )
          | ( ordinal_subset @ SV177 @ SV218 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1606]) ).

thf(1708,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                    | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
                | ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                    | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
          | ~ ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
              | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
              | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1607]) ).

thf(1709,plain,
    ! [SV220: $i,SV79: $i,SV238: $i] :
      ( ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY586: $i] :
                    ( ~ ( in @ SY586 @ SV238 )
                    | ( in @ SY586 @ SV79 )
                    | ( in @ SY586 @ SV220 ) )
              | ~ ~ ( ~ ! [SY587: $i] :
                          ( ~ ( in @ SY587 @ SV79 )
                          | ( in @ SY587 @ SV238 ) )
                    | ~ ! [SY588: $i] :
                          ( ~ ( in @ SY588 @ SV220 )
                          | ( in @ SY588 @ SV238 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1608]) ).

thf(1710,plain,
    ! [SV178: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
                | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) )
          | ~ ( ( ( sK36_B @ SV178 )
               != ( sK37_SY285 @ SV178 ) ) ) )
        = $false )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1609]) ).

thf(1711,plain,
    ! [SV179: $i] :
      ( ( ( antisymmetric @ SV179 )
        = $false )
      | ( ( ! [SY526: $i,SY527: $i] :
              ( ~ ( in @ ( ordered_pair @ SY526 @ SY527 ) @ SV179 )
              | ~ ( in @ ( ordered_pair @ SY527 @ SY526 ) @ SV179 )
              | ( SY526 = SY527 ) ) )
        = $true )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1610]) ).

thf(1712,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ~ ( ( ( sK28_C @ SV221 @ SV180 )
               != SV180 )
              | ~ ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) ) )
        = $false )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1611]) ).

thf(1713,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ~ ( ( ( sK28_C @ SV221 @ SV180 )
                = SV180 )
              | ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) ) )
        = $false )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1611]) ).

thf(1714,plain,
    ! [SV222: $i,SV181: $i] :
      ( ( ( ~ ! [SY568: $i] :
                ( ( SY568 != SV181 )
                | ( in @ SY568 @ SV222 ) )
          | ~ ! [SY569: $i] :
                ( ~ ( in @ SY569 @ SV222 )
                | ( SY569 = SV181 ) ) )
        = $false )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1612]) ).

thf(1715,plain,
    ! [SV80: $i,SV261: $i] :
      ( ( ( ~ ( ordinal @ SV261 ) )
        = $true )
      | ( ( ~ ( in @ SV80 @ SV261 )
          | ( ordinal_subset @ ( succ @ SV80 ) @ SV261 ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1613]) ).

thf(1716,plain,
    ! [SV80: $i,SV262: $i] :
      ( ( ( ~ ( ordinal @ SV262 ) )
        = $true )
      | ( ( ~ ( ordinal_subset @ ( succ @ SV80 ) @ SV262 )
          | ( in @ SV80 @ SV262 ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1614]) ).

thf(1717,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ( ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV184 ) )
        = $false )
      | ( ( subset @ SV184 @ SV223 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1615]) ).

thf(1718,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ( ~ ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV223 ) )
        = $false )
      | ( ( subset @ SV184 @ SV223 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1615]) ).

thf(1719,plain,
    ! [SV224: $i,SV185: $i,SV279: $i] :
      ( ( ( ~ ( in @ SV279 @ SV185 )
          | ( in @ SV279 @ SV224 ) )
        = $true )
      | ( ( subset @ SV185 @ SV224 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1616]) ).

thf(1720,plain,
    ! [SV186: $i] :
      ( ( ( epsilon_transitive @ SV186 )
        = $false )
      | ( ( epsilon_connected @ SV186 )
        = $false )
      | ( ( ordinal @ SV186 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1617]) ).

thf(1721,plain,
    ! [SV263: $i] :
      ( ( ( ~ ( ordinal @ SV263 ) )
        = $true )
      | ( ( epsilon_connected @ SV263 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1618]) ).

thf(1722,plain,
    ! [SV264: $i] :
      ( ( ( ~ ( ordinal @ SV264 ) )
        = $true )
      | ( ( epsilon_transitive @ SV264 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1619]) ).

thf(1723,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( SV61 = empty_set )
        = $true )
      | ( ( ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1626]) ).

thf(1724,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( ~ ! [SY471: $i] :
                ( ~ ( ordinal @ SY471 )
                | ~ ( in @ SY471 @ SV61 )
                | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) )
          | ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1627]) ).

thf(1725,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                    | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                     != SV225 ) )
                | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                           != SV62 ) )
                      | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                           != SV121 ) ) ) )
          | ~ ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                = SV225 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                = SV62 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                = SV121 ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1628]) ).

thf(1726,plain,
    ! [SV226: $i,SV121: $i,SV62: $i,SV240: $i] :
      ( ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY589: $i] :
                    ( ~ ( in @ SY589 @ SV240 )
                    | ( SY589 = SV226 )
                    | ( SY589 = SV62 )
                    | ( SY589 = SV121 ) )
              | ~ ~ ( ~ ! [SY590: $i] :
                          ( ( SY590 != SV226 )
                          | ( in @ SY590 @ SV240 ) )
                    | ~ ~ ( ~ ! [SY591: $i] :
                                ( ( SY591 != SV62 )
                                | ( in @ SY591 @ SV240 ) )
                          | ~ ! [SY592: $i] :
                                ( ( SY592 != SV121 )
                                | ( in @ SY592 @ SV240 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1629]) ).

thf(1727,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( ( ( sK19_B @ SV142 )
               != ( sK20_SY279 @ SV142 ) ) )
          | ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                      | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
                | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1630]) ).

thf(1728,plain,
    ! [SV142: $i] :
      ( ( ( in @ ( sK20_SY279 @ SV142 ) @ ( sK19_B @ SV142 ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1631]) ).

thf(1729,plain,
    ! [SV143: $i,SV265: $i,SV241: $i] :
      ( ( ( ( SV241 = SV265 )
          | ~ ( in @ SV241 @ SV143 )
          | ~ ( in @ SV265 @ SV143 )
          | ( in @ SV241 @ SV265 ) )
        = $true )
      | ( ( in @ SV265 @ SV241 )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1632]) ).

thf(1730,plain,
    ! [SV144: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
                | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) ) )
        = $false )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1731,plain,
    ! [SV144: $i] :
      ( ( ( ~ ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
        = $false )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1732,plain,
    ! [SV145: $i,SV280: $i] :
      ( ( ( ! [SY610: $i,SY611: $i] :
              ( ~ ( in @ ( ordered_pair @ SV280 @ SY610 ) @ SV145 )
              | ~ ( in @ ( ordered_pair @ SY610 @ SY611 ) @ SV145 )
              | ( in @ ( ordered_pair @ SV280 @ SY611 ) @ SV145 ) ) )
        = $true )
      | ( ( transitive @ SV145 )
        = $false )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1634]) ).

thf(1733,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ~ ( empty @ ( succ @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1635]) ).

thf(1734,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ( epsilon_transitive @ ( succ @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1636]) ).

thf(1735,plain,
    ! [SV242: $i] :
      ( ( ( ordinal @ SV242 )
        = $false )
      | ( ( epsilon_connected @ ( succ @ SV242 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1637]) ).

thf(1736,plain,
    ! [SV151: $i] :
      ( ( ( subset @ ( sK25_B @ SV151 ) @ SV151 )
        = $false )
      | ( ( epsilon_transitive @ SV151 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1639]) ).

thf(1737,plain,
    ! [SV152: $i,SV243: $i] :
      ( ( ( in @ SV243 @ SV152 )
        = $false )
      | ( ( subset @ SV243 @ SV152 )
        = $true )
      | ( ( epsilon_transitive @ SV152 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1640]) ).

thf(1738,plain,
    ! [SV63: $i,SV122: $i,SV245: $i] :
      ( ( ( in @ SV245 @ SV122 )
        = $false )
      | ( ( ~ ( in @ SV245 @ ( sK4_C @ SV122 @ SV63 ) ) )
        = $true )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1642]) ).

thf(1739,plain,
    ! [SV192: $i,SV227: $i,SV64: $i] :
      ( ( ( ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV227 @ SV192 ) ) ) )
        = $true )
      | ( ( in @ SV64 @ ( relation_field @ SV227 ) )
        = $true )
      | ( ( relation @ SV227 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1643]) ).

thf(1740,plain,
    ! [SV193: $i,SV228: $i,SV64: $i] :
      ( ( ( ~ ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV228 @ SV193 ) ) ) )
        = $true )
      | ( ( in @ SV64 @ SV193 )
        = $true )
      | ( ( relation @ SV228 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1644]) ).

thf(1741,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ( ~ ( ~ ! [SY604: $i] :
                    ( ~ ( subset @ SY604 @ SV266 )
                    | ( in @ SY604 @ ( sK3_SY270 @ SV266 @ SV65 ) ) )
              | ~ ( in @ ( sK3_SY270 @ SV266 @ SV65 ) @ ( sK2_B @ SV65 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1646]) ).

thf(1742,plain,
    ! [SV65: $i] :
      ( ( ~ ! [SY387: $i,SY388: $i] :
              ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
              | ~ ( subset @ SY388 @ SY387 )
              | ( in @ SY388 @ ( sK2_B @ SV65 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1647]) ).

thf(1743,plain,
    ! [SV65: $i] :
      ( ( ~ ( in @ SV65 @ ( sK2_B @ SV65 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1647]) ).

thf(1744,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ! [SY537: $i] :
              ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SY537 )
              | ~ ( in @ SY537 @ SV155 ) )
          | ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1648]) ).

thf(1745,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
              | ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) )
          | ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1649]) ).

thf(1746,plain,
    ! [SV196: $i,SV156: $i] :
      ( ( ( ~ ! [SY538: $i] :
                ( ! [SY504: $i] :
                    ( ~ ( in @ SY538 @ SY504 )
                    | ~ ( in @ SY504 @ SV156 ) )
                | ( in @ SY538 @ SV196 ) ) )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1650]) ).

thf(1747,plain,
    ! [SV156: $i,SV196: $i] :
      ( ( ( ~ ! [SY540: $i] :
                ( ~ ( in @ SY540 @ SV196 )
                | ~ ( ~ ( in @ SY540 @ ( sK12_D @ SY540 @ SV196 @ SV156 ) )
                    | ~ ( in @ ( sK12_D @ SY540 @ SV196 @ SV156 ) @ SV156 ) ) ) )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1650]) ).

thf(1748,plain,
    ( ( ~ ( empty @ sK7_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1651]) ).

thf(1749,plain,
    ( ( epsilon_transitive @ sK7_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1652]) ).

thf(1750,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( ordinal @ ( sK33_B @ SV157 ) ) )
        = $false )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1653]) ).

thf(1751,plain,
    ! [SV157: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
                | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) ) )
        = $false )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1653]) ).

thf(1752,plain,
    ! [SV158: $i,SV281: $i] :
      ( ( ( ~ ( ordinal @ SV281 )
          | ~ ( in @ SV281 @ SV158 )
          | ( in @ ( succ @ SV281 ) @ SV158 ) )
        = $true )
      | ( ( being_limit_ordinal @ SV158 )
        = $false )
      | ( ( ordinal @ SV158 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1654]) ).

thf(1753,plain,
    ! [SV267: $i,SV246: $i] :
      ( ( ( ~ ( proper_subset @ SV246 @ SV267 ) )
        = $true )
      | ( ( ( SV246 != SV267 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1656]) ).

thf(1754,plain,
    ! [SV268: $i,SV247: $i] :
      ( ( ( ~ ( proper_subset @ SV247 @ SV268 ) )
        = $true )
      | ( ( subset @ SV247 @ SV268 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1657]) ).

thf(1755,plain,
    ! [SV248: $i] :
      ( ( ( ordinal @ SV248 )
        = $false )
      | ( ( epsilon_connected @ ( union @ SV248 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1658]) ).

thf(1756,plain,
    ! [SV249: $i] :
      ( ( ( ordinal @ SV249 )
        = $false )
      | ( ( epsilon_transitive @ ( union @ SV249 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1659]) ).

thf(1757,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ! [SY390: $i] :
              ( ~ ( ordinal @ SY390 )
              | ~ ( in @ SY390 @ SV66 )
              | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SY390 ) ) )
        = $true )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1660]) ).

thf(1758,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
              | ~ ( ordinal @ ( sK54_B @ SV66 ) ) ) )
        = $true )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1661]) ).

thf(1759,plain,
    ! [SV198: $i,SV229: $i,SV67: $i] :
      ( ( ( in @ SV67 @ SV229 )
        = $false )
      | ( ( ~ ( in @ SV198 @ SV229 ) )
        = $true )
      | ( ( subset @ ( unordered_pair @ SV67 @ SV198 ) @ SV229 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1662]) ).

thf(1760,plain,
    ! [SV282: $i,SV269: $i,SV67: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV67 @ SV269 ) @ SV282 )
        | ( in @ SV67 @ SV282 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1663]) ).

thf(1761,plain,
    ! [SV283: $i,SV270: $i,SV67: $i] :
      ( ( ~ ( subset @ ( unordered_pair @ SV67 @ SV270 ) @ SV283 )
        | ( in @ SV270 @ SV283 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1664]) ).

thf(1762,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                       != ( sK45_SY295 @ SV123 @ SV68 ) )
                      | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                   != ( sK48_SY300 @ SV123 @ SV68 ) )
                                  | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                            | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                | ( ( sK44_C @ SV123 @ SV68 )
                 != ( sK46_SY299 @ SV123 @ SV68 ) ) )
          | ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                       != ( sK47_SY303 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1665]) ).

thf(1763,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1666]) ).

thf(1764,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                    | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                     != SV70 ) )
                | ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                    | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                     != SV201 ) ) ) )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1669]) ).

thf(1765,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                = SV70 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                = SV201 ) ) )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1669]) ).

thf(1766,plain,
    ! [SV202: $i,SV70: $i,SV231: $i] :
      ( ( ( ~ ! [SY577: $i] :
                ( ~ ( in @ SY577 @ SV231 )
                | ( SY577 = SV70 )
                | ( SY577 = SV202 ) )
          | ~ ~ ( ~ ! [SY578: $i] :
                      ( ( SY578 != SV70 )
                      | ( in @ SY578 @ SV231 ) )
                | ~ ! [SY579: $i] :
                      ( ( SY579 != SV202 )
                      | ( in @ SY579 @ SV231 ) ) ) )
        = $false )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1670]) ).

thf(1767,plain,
    ! [SV161: $i] :
      ( ( ( ~ ( ordinal @ ( sK50_B @ SV161 ) ) )
        = $false )
      | ( ( being_limit_ordinal @ SV161 )
        = $true )
      | ( ( ordinal @ SV161 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1671]) ).

thf(1768,plain,
    ! [SV161: $i] :
      ( ( ( ( SV161
           != ( succ @ ( sK50_B @ SV161 ) ) ) )
        = $false )
      | ( ( being_limit_ordinal @ SV161 )
        = $true )
      | ( ( ordinal @ SV161 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1671]) ).

thf(1769,plain,
    ! [SV273: $i,SV162: $i] :
      ( ( ( ( SV162
           != ( succ @ SV273 ) ) )
        = $true )
      | ( ( ~ ( ordinal @ SV273 ) )
        = $true )
      | ( ( ~ ( being_limit_ordinal @ SV162 ) )
        = $true )
      | ( ( ordinal @ SV162 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1672]) ).

thf(1770,plain,
    ! [SV203: $i,SV232: $i,SV71: $i] :
      ( ( ( ~ ( in @ SV71 @ SV232 )
          | ~ ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) ) )
        = $true )
      | ( ( in @ SV71 @ ( relation_restriction @ SV232 @ SV203 ) )
        = $true )
      | ( ( relation @ SV232 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1673]) ).

thf(1771,plain,
    ! [SV274: $i,SV71: $i,SV284: $i] :
      ( ( ~ ( relation @ SV284 )
        | ~ ( in @ SV71 @ ( relation_restriction @ SV284 @ SV274 ) )
        | ( in @ SV71 @ SV284 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1674]) ).

thf(1772,plain,
    ! [SV275: $i,SV71: $i,SV285: $i] :
      ( ( ~ ( relation @ SV285 )
        | ~ ( in @ SV71 @ ( relation_restriction @ SV285 @ SV275 ) )
        | ( in @ SV71 @ ( cartesian_product2 @ SV275 @ SV275 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1675]) ).

thf(1773,plain,
    ! [SV250: $i] :
      ( ( ( empty @ SV250 )
        = $false )
      | ( ( epsilon_connected @ SV250 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1676]) ).

thf(1774,plain,
    ! [SV251: $i] :
      ( ( ( empty @ SV251 )
        = $false )
      | ( ( epsilon_transitive @ SV251 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1677]) ).

thf(1775,plain,
    ! [SV164: $i] :
      ( ( ( ~ ( reflexive @ SV164 )
          | ~ ( transitive @ SV164 )
          | ~ ( antisymmetric @ SV164 ) )
        = $true )
      | ( ( ~ ( connected @ SV164 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1678]) ).

thf(1776,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( relation @ SX0 )
                      | ~ ( well_ordering @ SX0 )
                      | ( reflexive @ SX0 ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( relation @ SX0 )
                      | ~ ( well_ordering @ SX0 )
                      | ( transitive @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( well_ordering @ SX0 )
                | ( antisymmetric @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1679]) ).

thf(1777,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( well_ordering @ SX0 )
          | ( connected @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1680]) ).

thf(1778,plain,
    ! [SV252: $i] :
      ( ( ( relation @ SV252 )
        = $false )
      | ( ( ~ ( well_ordering @ SV252 )
          | ( well_founded_relation @ SV252 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1681]) ).

thf(1779,plain,
    ! [SV124: $i,SV72: $i,SV276: $i] :
      ( ( ( ! [SY609: $i] :
              ( ( SV276 != SY609 )
              | ~ ( ordinal @ SY609 )
              | ~ ( in @ SY609 @ SV72 ) )
          | ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1682]) ).

thf(1780,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ~ ! [SY487: $i] :
                ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
                | ~ ( ~ ~ ( ( SY487
                           != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                          | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                    | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1683]) ).

thf(1781,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ~ ! [SY488: $i] :
                ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
                | ( in @ SY488 @ ( succ @ SV124 ) ) ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1683]) ).

thf(1782,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( relation @ SV253 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV73 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 ) )
          | ( subset @ SV73 @ SV253 ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1684]) ).

thf(1783,plain,
    ! [SV73: $i,SV254: $i] :
      ( ( ( relation @ SV254 )
        = $false )
      | ( ( ~ ( subset @ SV73 @ SV254 )
          | ! [SY596: $i,SY597: $i] :
              ( ~ ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV73 )
              | ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV254 ) ) )
        = $true )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1685]) ).

thf(1784,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
              | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
              | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) )
        = $false )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1686]) ).

thf(1785,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
                    | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
                | ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
                    | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) ) )
        = $false )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1686]) ).

thf(1786,plain,
    ! [SV234: $i,SV207: $i,SV74: $i] :
      ( ( ( ~ ! [SY580: $i] :
                ( ~ ( in @ SY580 @ SV74 )
                | ~ ( in @ SY580 @ SV207 )
                | ( in @ SY580 @ SV234 ) )
          | ~ ~ ( ~ ! [SY581: $i] :
                      ( ~ ( in @ SY581 @ SV234 )
                      | ( in @ SY581 @ SV74 ) )
                | ~ ! [SY582: $i] :
                      ( ~ ( in @ SY582 @ SV234 )
                      | ( in @ SY582 @ SV207 ) ) ) )
        = $false )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1687]) ).

thf(1787,plain,
    ! [SV167: $i,SV208: $i] :
      ( ( ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV167 )
        = $true )
      | ( ( disjoint @ SV167 @ SV208 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1688]) ).

thf(1788,plain,
    ! [SV167: $i,SV208: $i] :
      ( ( ( in @ ( sK34_C @ SV208 @ SV167 ) @ SV208 )
        = $true )
      | ( ( disjoint @ SV167 @ SV208 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1689]) ).

thf(1789,plain,
    ! [SV209: $i,SV168: $i,SV255: $i] :
      ( ( ( in @ SV255 @ SV168 )
        = $false )
      | ( ( ~ ( in @ SV255 @ SV209 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV168 @ SV209 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1690]) ).

thf(1790,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
              | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
              | ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) )
        = $false )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1691]) ).

thf(1791,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
                    | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
                | ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
                    | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) ) )
        = $false )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1691]) ).

thf(1792,plain,
    ! [SV236: $i,SV211: $i,SV75: $i] :
      ( ( ( ~ ! [SY583: $i] :
                ( ~ ( in @ SY583 @ SV75 )
                | ( in @ SY583 @ SV211 )
                | ( in @ SY583 @ SV236 ) )
          | ~ ~ ( ~ ! [SY584: $i] :
                      ( ~ ( in @ SY584 @ SV236 )
                      | ( in @ SY584 @ SV75 ) )
                | ~ ! [SY585: $i] :
                      ( ~ ( in @ SY585 @ SV236 )
                      | ~ ( in @ SY585 @ SV211 ) ) ) )
        = $false )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1692]) ).

thf(1793,plain,
    ! [SV286: $i,SV169: $i] :
      ( ( ( ! [SY612: $i] :
              ( ( sK31_B @ SV169 )
             != ( ordered_pair @ SV286 @ SY612 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1693]) ).

thf(1794,plain,
    ! [SV170: $i,SV256: $i] :
      ( ( ( in @ SV256 @ SV170 )
        = $false )
      | ( ( SV256
          = ( ordered_pair @ ( sK29_C @ SV256 @ SV170 ) @ ( sK30_SY281 @ SV256 @ SV170 ) ) )
        = $true )
      | ( ( relation @ SV170 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1695]) ).

thf(1795,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( ~ ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
          | ~ ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) )
        = $true )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1696]) ).

thf(1796,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
          | ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) )
        = $true )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1697]) ).

thf(1797,plain,
    ! [SV172: $i,SV213: $i] :
      ( ( ( ~ ! [SY561: $i] :
                ( ~ ( in @ SY561 @ SV213 )
                | ( subset @ SY561 @ SV172 ) ) )
        = $false )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1698]) ).

thf(1798,plain,
    ! [SV213: $i,SV172: $i] :
      ( ( ( ~ ! [SY562: $i] :
                ( ~ ( subset @ SY562 @ SV172 )
                | ( in @ SY562 @ SV213 ) ) )
        = $false )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1698]) ).

thf(1799,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( relation @ SV257 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) ) )
          | ( SV76 = SV257 ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1699]) ).

thf(1800,plain,
    ! [SV76: $i,SV258: $i] :
      ( ( ( relation @ SV258 )
        = $false )
      | ( ( ( SV76 != SV258 )
          | ~ ( ~ ! [SY598: $i,SY599: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
                    | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) )
              | ~ ! [SY600: $i,SY601: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
                    | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) ) )
        = $true )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1700]) ).

thf(1801,plain,
    ! [SV77: $i,SV125: $i] :
      ( ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV125 )
        = $false )
      | ( ( in @ ( sK5_C @ SV125 @ SV77 ) @ SV77 )
        = $false )
      | ( ( SV77 = SV125 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1701]) ).

thf(1802,plain,
    ! [SV175: $i,SV216: $i] :
      ( ( ( subset @ SV216 @ SV175 )
        = $false )
      | ( ( subset @ SV175 @ SV216 )
        = $false )
      | ( ( SV175 = SV216 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1702]) ).

thf(1803,plain,
    ! [SV277: $i,SV259: $i] :
      ( ( ( ( SV259 != SV277 ) )
        = $true )
      | ( ( subset @ SV259 @ SV277 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1703]) ).

thf(1804,plain,
    ! [SV278: $i,SV260: $i] :
      ( ( ( ( SV260 != SV278 ) )
        = $true )
      | ( ( subset @ SV278 @ SV260 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1704]) ).

thf(1805,plain,
    ! [SV176: $i,SV217: $i] :
      ( ( ( ordinal @ SV217 )
        = $false )
      | ( ( ordinal @ SV176 )
        = $false )
      | ( ( ~ ( ordinal_subset @ SV176 @ SV217 )
          | ( subset @ SV176 @ SV217 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1706]) ).

thf(1806,plain,
    ! [SV177: $i,SV218: $i] :
      ( ( ( ordinal @ SV218 )
        = $false )
      | ( ( ordinal @ SV177 )
        = $false )
      | ( ( ~ ( subset @ SV177 @ SV218 )
          | ( ordinal_subset @ SV177 @ SV218 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1707]) ).

thf(1807,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                    | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
                | ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                    | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) ) )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1708]) ).

thf(1808,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
              | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
              | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1708]) ).

thf(1809,plain,
    ! [SV220: $i,SV79: $i,SV238: $i] :
      ( ( ( ~ ! [SY586: $i] :
                ( ~ ( in @ SY586 @ SV238 )
                | ( in @ SY586 @ SV79 )
                | ( in @ SY586 @ SV220 ) )
          | ~ ~ ( ~ ! [SY587: $i] :
                      ( ~ ( in @ SY587 @ SV79 )
                      | ( in @ SY587 @ SV238 ) )
                | ~ ! [SY588: $i] :
                      ( ~ ( in @ SY588 @ SV220 )
                      | ( in @ SY588 @ SV238 ) ) ) )
        = $false )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1709]) ).

thf(1810,plain,
    ! [SV178: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
                | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) ) )
        = $false )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1710]) ).

thf(1811,plain,
    ! [SV178: $i] :
      ( ( ( ~ ( ( ( sK36_B @ SV178 )
               != ( sK37_SY285 @ SV178 ) ) ) )
        = $false )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1710]) ).

thf(1812,plain,
    ! [SV179: $i,SV287: $i] :
      ( ( ( ! [SY613: $i] :
              ( ~ ( in @ ( ordered_pair @ SV287 @ SY613 ) @ SV179 )
              | ~ ( in @ ( ordered_pair @ SY613 @ SV287 ) @ SV179 )
              | ( SV287 = SY613 ) ) )
        = $true )
      | ( ( antisymmetric @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1711]) ).

thf(1813,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ( ( sK28_C @ SV221 @ SV180 )
           != SV180 )
          | ~ ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) )
        = $true )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1712]) ).

thf(1814,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ( ( sK28_C @ SV221 @ SV180 )
            = SV180 )
          | ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) )
        = $true )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1713]) ).

thf(1815,plain,
    ! [SV222: $i,SV181: $i] :
      ( ( ( ~ ! [SY568: $i] :
                ( ( SY568 != SV181 )
                | ( in @ SY568 @ SV222 ) ) )
        = $false )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1714]) ).

thf(1816,plain,
    ! [SV181: $i,SV222: $i] :
      ( ( ( ~ ! [SY569: $i] :
                ( ~ ( in @ SY569 @ SV222 )
                | ( SY569 = SV181 ) ) )
        = $false )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1714]) ).

thf(1817,plain,
    ! [SV80: $i,SV261: $i] :
      ( ( ( ordinal @ SV261 )
        = $false )
      | ( ( ~ ( in @ SV80 @ SV261 )
          | ( ordinal_subset @ ( succ @ SV80 ) @ SV261 ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1715]) ).

thf(1818,plain,
    ! [SV80: $i,SV262: $i] :
      ( ( ( ordinal @ SV262 )
        = $false )
      | ( ( ~ ( ordinal_subset @ ( succ @ SV80 ) @ SV262 )
          | ( in @ SV80 @ SV262 ) )
        = $true )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1716]) ).

thf(1819,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV184 )
        = $true )
      | ( ( subset @ SV184 @ SV223 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1717]) ).

thf(1820,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ( ~ ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV223 ) )
        = $true )
      | ( ( subset @ SV184 @ SV223 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1718]) ).

thf(1821,plain,
    ! [SV224: $i,SV185: $i,SV279: $i] :
      ( ( ( ~ ( in @ SV279 @ SV185 ) )
        = $true )
      | ( ( in @ SV279 @ SV224 )
        = $true )
      | ( ( subset @ SV185 @ SV224 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1719]) ).

thf(1822,plain,
    ! [SV263: $i] :
      ( ( ( ordinal @ SV263 )
        = $false )
      | ( ( epsilon_connected @ SV263 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1721]) ).

thf(1823,plain,
    ! [SV264: $i] :
      ( ( ( ordinal @ SV264 )
        = $false )
      | ( ( epsilon_transitive @ SV264 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1722]) ).

thf(1824,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( subset @ SV61 @ SV120 )
        = $false )
      | ( ( SV61 = empty_set )
        = $true )
      | ( ( ordinal @ ( sK35_C @ SV120 @ SV61 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1723]) ).

thf(1825,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( ~ ! [SY471: $i] :
                ( ~ ( ordinal @ SY471 )
                | ~ ( in @ SY471 @ SV61 )
                | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) ) )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1724]) ).

thf(1826,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( ~ ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 ) )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1724]) ).

thf(1827,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                    | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                     != SV225 ) )
                | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                           != SV62 ) )
                      | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                           != SV121 ) ) ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1725]) ).

thf(1828,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                = SV225 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                = SV62 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                = SV121 ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1725]) ).

thf(1829,plain,
    ! [SV121: $i,SV62: $i,SV226: $i,SV240: $i] :
      ( ( ( ~ ! [SY589: $i] :
                ( ~ ( in @ SY589 @ SV240 )
                | ( SY589 = SV226 )
                | ( SY589 = SV62 )
                | ( SY589 = SV121 ) )
          | ~ ~ ( ~ ! [SY590: $i] :
                      ( ( SY590 != SV226 )
                      | ( in @ SY590 @ SV240 ) )
                | ~ ~ ( ~ ! [SY591: $i] :
                            ( ( SY591 != SV62 )
                            | ( in @ SY591 @ SV240 ) )
                      | ~ ! [SY592: $i] :
                            ( ( SY592 != SV121 )
                            | ( in @ SY592 @ SV240 ) ) ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1726]) ).

thf(1830,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( ( ( sK19_B @ SV142 )
               != ( sK20_SY279 @ SV142 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1727]) ).

thf(1831,plain,
    ! [SV142: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                      | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
                | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1727]) ).

thf(1832,plain,
    ! [SV143: $i,SV265: $i,SV241: $i] :
      ( ( ( SV241 = SV265 )
        = $true )
      | ( ( ~ ( in @ SV241 @ SV143 )
          | ~ ( in @ SV265 @ SV143 )
          | ( in @ SV241 @ SV265 ) )
        = $true )
      | ( ( in @ SV265 @ SV241 )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1729]) ).

thf(1833,plain,
    ! [SV144: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
              | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) ) )
        = $true )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1730]) ).

thf(1834,plain,
    ! [SV144: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
        = $true )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1731]) ).

thf(1835,plain,
    ! [SV145: $i,SV288: $i,SV280: $i] :
      ( ( ( ! [SY614: $i] :
              ( ~ ( in @ ( ordered_pair @ SV280 @ SV288 ) @ SV145 )
              | ~ ( in @ ( ordered_pair @ SV288 @ SY614 ) @ SV145 )
              | ( in @ ( ordered_pair @ SV280 @ SY614 ) @ SV145 ) ) )
        = $true )
      | ( ( transitive @ SV145 )
        = $false )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1732]) ).

thf(1836,plain,
    ! [SV289: $i] :
      ( ( ~ ( ordinal @ SV289 )
        | ~ ( empty @ ( succ @ SV289 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1733]) ).

thf(1837,plain,
    ! [SV290: $i] :
      ( ( ~ ( ordinal @ SV290 )
        | ( epsilon_transitive @ ( succ @ SV290 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1734]) ).

thf(1838,plain,
    ! [SV63: $i,SV122: $i,SV245: $i] :
      ( ( ( in @ SV245 @ ( sK4_C @ SV122 @ SV63 ) )
        = $false )
      | ( ( in @ SV245 @ SV122 )
        = $false )
      | ( ( ~ ( in @ SV63 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1738]) ).

thf(1839,plain,
    ! [SV192: $i,SV227: $i,SV64: $i] :
      ( ( ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV227 @ SV192 ) ) )
        = $false )
      | ( ( in @ SV64 @ ( relation_field @ SV227 ) )
        = $true )
      | ( ( relation @ SV227 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1739]) ).

thf(1840,plain,
    ! [SV193: $i,SV228: $i,SV64: $i] :
      ( ( ( in @ SV64 @ ( relation_field @ ( relation_restriction @ SV228 @ SV193 ) ) )
        = $false )
      | ( ( in @ SV64 @ SV193 )
        = $true )
      | ( ( relation @ SV228 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1740]) ).

thf(1841,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ( ~ ! [SY604: $i] :
                ( ~ ( subset @ SY604 @ SV266 )
                | ( in @ SY604 @ ( sK3_SY270 @ SV266 @ SV65 ) ) )
          | ~ ( in @ ( sK3_SY270 @ SV266 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
        = $false )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1741]) ).

thf(1842,plain,
    ! [SV65: $i] :
      ( ( ! [SY387: $i,SY388: $i] :
            ( ~ ( in @ SY387 @ ( sK2_B @ SV65 ) )
            | ~ ( subset @ SY388 @ SY387 )
            | ( in @ SY388 @ ( sK2_B @ SV65 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1742]) ).

thf(1843,plain,
    ! [SV65: $i] :
      ( ( in @ SV65 @ ( sK2_B @ SV65 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1743]) ).

thf(1844,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ! [SY537: $i] :
              ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SY537 )
              | ~ ( in @ SY537 @ SV155 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1744]) ).

thf(1845,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
              | ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) ) )
        = $true )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1745]) ).

thf(1846,plain,
    ! [SV196: $i,SV156: $i] :
      ( ( ( ! [SY538: $i] :
              ( ! [SY504: $i] :
                  ( ~ ( in @ SY538 @ SY504 )
                  | ~ ( in @ SY504 @ SV156 ) )
              | ( in @ SY538 @ SV196 ) ) )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1746]) ).

thf(1847,plain,
    ! [SV156: $i,SV196: $i] :
      ( ( ( ! [SY540: $i] :
              ( ~ ( in @ SY540 @ SV196 )
              | ~ ( ~ ( in @ SY540 @ ( sK12_D @ SY540 @ SV196 @ SV156 ) )
                  | ~ ( in @ ( sK12_D @ SY540 @ SV196 @ SV156 ) @ SV156 ) ) ) )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1747]) ).

thf(1848,plain,
    ( ( empty @ sK7_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1748]) ).

thf(1849,plain,
    ! [SV157: $i] :
      ( ( ( ordinal @ ( sK33_B @ SV157 ) )
        = $true )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1750]) ).

thf(1850,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
              | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) ) )
        = $true )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1751]) ).

thf(1851,plain,
    ! [SV158: $i,SV281: $i] :
      ( ( ( ~ ( ordinal @ SV281 ) )
        = $true )
      | ( ( ~ ( in @ SV281 @ SV158 )
          | ( in @ ( succ @ SV281 ) @ SV158 ) )
        = $true )
      | ( ( being_limit_ordinal @ SV158 )
        = $false )
      | ( ( ordinal @ SV158 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1752]) ).

thf(1852,plain,
    ! [SV267: $i,SV246: $i] :
      ( ( ( proper_subset @ SV246 @ SV267 )
        = $false )
      | ( ( ( SV246 != SV267 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1753]) ).

thf(1853,plain,
    ! [SV268: $i,SV247: $i] :
      ( ( ( proper_subset @ SV247 @ SV268 )
        = $false )
      | ( ( subset @ SV247 @ SV268 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1754]) ).

thf(1854,plain,
    ! [SV135: $i,SV66: $i,SV291: $i] :
      ( ( ( ~ ( ordinal @ SV291 )
          | ~ ( in @ SV291 @ SV66 )
          | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SV291 ) )
        = $true )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1757]) ).

thf(1855,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 )
          | ~ ( ordinal @ ( sK54_B @ SV66 ) ) )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1758]) ).

thf(1856,plain,
    ! [SV67: $i,SV229: $i,SV198: $i] :
      ( ( ( in @ SV198 @ SV229 )
        = $false )
      | ( ( in @ SV67 @ SV229 )
        = $false )
      | ( ( subset @ ( unordered_pair @ SV67 @ SV198 ) @ SV229 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1759]) ).

thf(1857,plain,
    ! [SV282: $i,SV269: $i,SV67: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV67 @ SV269 ) @ SV282 ) )
        = $true )
      | ( ( in @ SV67 @ SV282 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1760]) ).

thf(1858,plain,
    ! [SV283: $i,SV270: $i,SV67: $i] :
      ( ( ( ~ ( subset @ ( unordered_pair @ SV67 @ SV270 ) @ SV283 ) )
        = $true )
      | ( ( in @ SV270 @ SV283 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1761]) ).

thf(1859,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                       != ( sK45_SY295 @ SV123 @ SV68 ) )
                      | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                   != ( sK48_SY300 @ SV123 @ SV68 ) )
                                  | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                            | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
                | ( ( sK44_C @ SV123 @ SV68 )
                 != ( sK46_SY299 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1762]) ).

thf(1860,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                       != ( sK47_SY303 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1762]) ).

thf(1861,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1763]) ).

thf(1862,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                  | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                   != SV70 ) )
              | ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
                  | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
                   != SV201 ) ) ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1764]) ).

thf(1863,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
          | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
            = SV70 )
          | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
            = SV201 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1765]) ).

thf(1864,plain,
    ! [SV202: $i,SV70: $i,SV231: $i] :
      ( ( ( ~ ! [SY577: $i] :
                ( ~ ( in @ SY577 @ SV231 )
                | ( SY577 = SV70 )
                | ( SY577 = SV202 ) ) )
        = $false )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1766]) ).

thf(1865,plain,
    ! [SV202: $i,SV231: $i,SV70: $i] :
      ( ( ( ~ ~ ( ~ ! [SY578: $i] :
                      ( ( SY578 != SV70 )
                      | ( in @ SY578 @ SV231 ) )
                | ~ ! [SY579: $i] :
                      ( ( SY579 != SV202 )
                      | ( in @ SY579 @ SV231 ) ) ) )
        = $false )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1766]) ).

thf(1866,plain,
    ! [SV161: $i] :
      ( ( ( ordinal @ ( sK50_B @ SV161 ) )
        = $true )
      | ( ( being_limit_ordinal @ SV161 )
        = $true )
      | ( ( ordinal @ SV161 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1767]) ).

thf(1867,plain,
    ! [SV161: $i] :
      ( ( ( SV161
          = ( succ @ ( sK50_B @ SV161 ) ) )
        = $true )
      | ( ( being_limit_ordinal @ SV161 )
        = $true )
      | ( ( ordinal @ SV161 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1768]) ).

thf(1868,plain,
    ! [SV273: $i,SV162: $i] :
      ( ( ( SV162
          = ( succ @ SV273 ) )
        = $false )
      | ( ( ~ ( ordinal @ SV273 ) )
        = $true )
      | ( ( ~ ( being_limit_ordinal @ SV162 ) )
        = $true )
      | ( ( ordinal @ SV162 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1769]) ).

thf(1869,plain,
    ! [SV203: $i,SV232: $i,SV71: $i] :
      ( ( ( ~ ( in @ SV71 @ SV232 ) )
        = $true )
      | ( ( ~ ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) ) )
        = $true )
      | ( ( in @ SV71 @ ( relation_restriction @ SV232 @ SV203 ) )
        = $true )
      | ( ( relation @ SV232 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1770]) ).

thf(1870,plain,
    ! [SV274: $i,SV71: $i,SV284: $i] :
      ( ( ( ~ ( relation @ SV284 ) )
        = $true )
      | ( ( ~ ( in @ SV71 @ ( relation_restriction @ SV284 @ SV274 ) )
          | ( in @ SV71 @ SV284 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1771]) ).

thf(1871,plain,
    ! [SV275: $i,SV71: $i,SV285: $i] :
      ( ( ( ~ ( relation @ SV285 ) )
        = $true )
      | ( ( ~ ( in @ SV71 @ ( relation_restriction @ SV285 @ SV275 ) )
          | ( in @ SV71 @ ( cartesian_product2 @ SV275 @ SV275 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1772]) ).

thf(1872,plain,
    ! [SV164: $i] :
      ( ( ( ~ ( reflexive @ SV164 )
          | ~ ( transitive @ SV164 ) )
        = $true )
      | ( ( ~ ( antisymmetric @ SV164 ) )
        = $true )
      | ( ( ~ ( connected @ SV164 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1775]) ).

thf(1873,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( reflexive @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( transitive @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( antisymmetric @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1776]) ).

thf(1874,plain,
    ! [SV292: $i] :
      ( ( ~ ( relation @ SV292 )
        | ~ ( well_ordering @ SV292 )
        | ( connected @ SV292 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1777]) ).

thf(1875,plain,
    ! [SV252: $i] :
      ( ( ( ~ ( well_ordering @ SV252 ) )
        = $true )
      | ( ( well_founded_relation @ SV252 )
        = $true )
      | ( ( relation @ SV252 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1778]) ).

thf(1876,plain,
    ! [SV124: $i,SV72: $i,SV276: $i] :
      ( ( ( ! [SY609: $i] :
              ( ( SV276 != SY609 )
              | ~ ( ordinal @ SY609 )
              | ~ ( in @ SY609 @ SV72 ) ) )
        = $true )
      | ( ( ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1779]) ).

thf(1877,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ! [SY487: $i] :
              ( ~ ( in @ SY487 @ ( sK52_C @ SV124 @ SV72 ) )
              | ~ ( ~ ~ ( ( SY487
                         != ( sK53_E @ SY487 @ SV124 @ SV72 ) )
                        | ~ ( ordinal @ ( sK53_E @ SY487 @ SV124 @ SV72 ) ) )
                  | ~ ( in @ ( sK53_E @ SY487 @ SV124 @ SV72 ) @ SV72 ) ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1780]) ).

thf(1878,plain,
    ! [SV72: $i,SV124: $i] :
      ( ( ( ! [SY488: $i] :
              ( ~ ( in @ SY488 @ ( sK52_C @ SV124 @ SV72 ) )
              | ( in @ SY488 @ ( succ @ SV124 ) ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1781]) ).

thf(1879,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV73 )
              | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 ) ) )
        = $true )
      | ( ( subset @ SV73 @ SV253 )
        = $true )
      | ( ( relation @ SV253 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1782]) ).

thf(1880,plain,
    ! [SV254: $i,SV73: $i] :
      ( ( ( ~ ( subset @ SV73 @ SV254 ) )
        = $true )
      | ( ( ! [SY596: $i,SY597: $i] :
              ( ~ ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV73 )
              | ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV254 ) ) )
        = $true )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1783]) ).

thf(1881,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
          | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
          | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1784]) ).

thf(1882,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
                  | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
              | ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
                  | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1785]) ).

thf(1883,plain,
    ! [SV234: $i,SV207: $i,SV74: $i] :
      ( ( ( ~ ! [SY580: $i] :
                ( ~ ( in @ SY580 @ SV74 )
                | ~ ( in @ SY580 @ SV207 )
                | ( in @ SY580 @ SV234 ) ) )
        = $false )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1786]) ).

thf(1884,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( ~ ~ ( ~ ! [SY581: $i] :
                      ( ~ ( in @ SY581 @ SV234 )
                      | ( in @ SY581 @ SV74 ) )
                | ~ ! [SY582: $i] :
                      ( ~ ( in @ SY582 @ SV234 )
                      | ( in @ SY582 @ SV207 ) ) ) )
        = $false )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1786]) ).

thf(1885,plain,
    ! [SV168: $i,SV209: $i,SV255: $i] :
      ( ( ( in @ SV255 @ SV209 )
        = $false )
      | ( ( in @ SV255 @ SV168 )
        = $false )
      | ( ( ~ ( disjoint @ SV168 @ SV209 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1789]) ).

thf(1886,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
          | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
          | ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1790]) ).

thf(1887,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
                  | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
              | ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
                  | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1791]) ).

thf(1888,plain,
    ! [SV236: $i,SV211: $i,SV75: $i] :
      ( ( ( ~ ! [SY583: $i] :
                ( ~ ( in @ SY583 @ SV75 )
                | ( in @ SY583 @ SV211 )
                | ( in @ SY583 @ SV236 ) ) )
        = $false )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1792]) ).

thf(1889,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( ~ ~ ( ~ ! [SY584: $i] :
                      ( ~ ( in @ SY584 @ SV236 )
                      | ( in @ SY584 @ SV75 ) )
                | ~ ! [SY585: $i] :
                      ( ~ ( in @ SY585 @ SV236 )
                      | ~ ( in @ SY585 @ SV211 ) ) ) )
        = $false )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1792]) ).

thf(1890,plain,
    ! [SV293: $i,SV286: $i,SV169: $i] :
      ( ( ( ( ( sK31_B @ SV169 )
           != ( ordered_pair @ SV286 @ SV293 ) ) )
        = $true )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1793]) ).

thf(1891,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( ~ ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 ) )
        = $true )
      | ( ( ~ ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) )
        = $true )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1795]) ).

thf(1892,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
        = $true )
      | ( ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 )
        = $true )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1796]) ).

thf(1893,plain,
    ! [SV172: $i,SV213: $i] :
      ( ( ( ! [SY561: $i] :
              ( ~ ( in @ SY561 @ SV213 )
              | ( subset @ SY561 @ SV172 ) ) )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1797]) ).

thf(1894,plain,
    ! [SV213: $i,SV172: $i] :
      ( ( ( ! [SY562: $i] :
              ( ~ ( subset @ SY562 @ SV172 )
              | ( in @ SY562 @ SV213 ) ) )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1798]) ).

thf(1895,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
                  | ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) ) ) )
        = $true )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1799]) ).

thf(1896,plain,
    ! [SV258: $i,SV76: $i] :
      ( ( ( ( SV76 != SV258 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY598: $i,SY599: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
                    | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) )
              | ~ ! [SY600: $i,SY601: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
                    | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) ) )
        = $true )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1800]) ).

thf(1897,plain,
    ! [SV277: $i,SV259: $i] :
      ( ( ( SV259 = SV277 )
        = $false )
      | ( ( subset @ SV259 @ SV277 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1803]) ).

thf(1898,plain,
    ! [SV278: $i,SV260: $i] :
      ( ( ( SV260 = SV278 )
        = $false )
      | ( ( subset @ SV278 @ SV260 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1804]) ).

thf(1899,plain,
    ! [SV217: $i,SV176: $i] :
      ( ( ( ~ ( ordinal_subset @ SV176 @ SV217 ) )
        = $true )
      | ( ( subset @ SV176 @ SV217 )
        = $true )
      | ( ( ordinal @ SV176 )
        = $false )
      | ( ( ordinal @ SV217 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1805]) ).

thf(1900,plain,
    ! [SV218: $i,SV177: $i] :
      ( ( ( ~ ( subset @ SV177 @ SV218 ) )
        = $true )
      | ( ( ordinal_subset @ SV177 @ SV218 )
        = $true )
      | ( ( ordinal @ SV177 )
        = $false )
      | ( ( ordinal @ SV218 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1806]) ).

thf(1901,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                  | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
              | ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
                  | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1807]) ).

thf(1902,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
          | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
          | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1808]) ).

thf(1903,plain,
    ! [SV220: $i,SV79: $i,SV238: $i] :
      ( ( ( ~ ! [SY586: $i] :
                ( ~ ( in @ SY586 @ SV238 )
                | ( in @ SY586 @ SV79 )
                | ( in @ SY586 @ SV220 ) ) )
        = $false )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1809]) ).

thf(1904,plain,
    ! [SV220: $i,SV238: $i,SV79: $i] :
      ( ( ( ~ ~ ( ~ ! [SY587: $i] :
                      ( ~ ( in @ SY587 @ SV79 )
                      | ( in @ SY587 @ SV238 ) )
                | ~ ! [SY588: $i] :
                      ( ~ ( in @ SY588 @ SV220 )
                      | ( in @ SY588 @ SV238 ) ) ) )
        = $false )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1809]) ).

thf(1905,plain,
    ! [SV178: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
              | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) ) )
        = $true )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1810]) ).

thf(1906,plain,
    ! [SV178: $i] :
      ( ( ( ( ( sK36_B @ SV178 )
           != ( sK37_SY285 @ SV178 ) ) )
        = $true )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1811]) ).

thf(1907,plain,
    ! [SV179: $i,SV294: $i,SV287: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV287 @ SV294 ) @ SV179 )
          | ~ ( in @ ( ordered_pair @ SV294 @ SV287 ) @ SV179 )
          | ( SV287 = SV294 ) )
        = $true )
      | ( ( antisymmetric @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1812]) ).

thf(1908,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ( ( sK28_C @ SV221 @ SV180 )
           != SV180 ) )
        = $true )
      | ( ( ~ ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) )
        = $true )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1813]) ).

thf(1909,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ( sK28_C @ SV221 @ SV180 )
          = SV180 )
        = $true )
      | ( ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 )
        = $true )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1814]) ).

thf(1910,plain,
    ! [SV222: $i,SV181: $i] :
      ( ( ( ! [SY568: $i] :
              ( ( SY568 != SV181 )
              | ( in @ SY568 @ SV222 ) ) )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1815]) ).

thf(1911,plain,
    ! [SV181: $i,SV222: $i] :
      ( ( ( ! [SY569: $i] :
              ( ~ ( in @ SY569 @ SV222 )
              | ( SY569 = SV181 ) ) )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1816]) ).

thf(1912,plain,
    ! [SV261: $i,SV80: $i] :
      ( ( ( ~ ( in @ SV80 @ SV261 ) )
        = $true )
      | ( ( ordinal_subset @ ( succ @ SV80 ) @ SV261 )
        = $true )
      | ( ( ordinal @ SV261 )
        = $false )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1817]) ).

thf(1913,plain,
    ! [SV262: $i,SV80: $i] :
      ( ( ( ~ ( ordinal_subset @ ( succ @ SV80 ) @ SV262 ) )
        = $true )
      | ( ( in @ SV80 @ SV262 )
        = $true )
      | ( ( ordinal @ SV262 )
        = $false )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1818]) ).

thf(1914,plain,
    ! [SV184: $i,SV223: $i] :
      ( ( ( in @ ( sK16_C @ SV223 @ SV184 ) @ SV223 )
        = $false )
      | ( ( subset @ SV184 @ SV223 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1820]) ).

thf(1915,plain,
    ! [SV224: $i,SV185: $i,SV279: $i] :
      ( ( ( in @ SV279 @ SV185 )
        = $false )
      | ( ( in @ SV279 @ SV224 )
        = $true )
      | ( ( subset @ SV185 @ SV224 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1821]) ).

thf(1916,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( ! [SY471: $i] :
              ( ~ ( ordinal @ SY471 )
              | ~ ( in @ SY471 @ SV61 )
              | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SY471 ) ) )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1825]) ).

thf(1917,plain,
    ! [SV61: $i,SV120: $i] :
      ( ( ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1826]) ).

thf(1918,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                  | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                   != SV225 ) )
              | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                        | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                         != SV62 ) )
                    | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                        | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                         != SV121 ) ) ) ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1827]) ).

thf(1919,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV225 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV62 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV121 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1828]) ).

thf(1920,plain,
    ! [SV121: $i,SV62: $i,SV226: $i,SV240: $i] :
      ( ( ( ~ ! [SY589: $i] :
                ( ~ ( in @ SY589 @ SV240 )
                | ( SY589 = SV226 )
                | ( SY589 = SV62 )
                | ( SY589 = SV121 ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1829]) ).

thf(1921,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i] :
      ( ( ( ~ ~ ( ~ ! [SY590: $i] :
                      ( ( SY590 != SV226 )
                      | ( in @ SY590 @ SV240 ) )
                | ~ ~ ( ~ ! [SY591: $i] :
                            ( ( SY591 != SV62 )
                            | ( in @ SY591 @ SV240 ) )
                      | ~ ! [SY592: $i] :
                            ( ( SY592 != SV121 )
                            | ( in @ SY592 @ SV240 ) ) ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1829]) ).

thf(1922,plain,
    ! [SV142: $i] :
      ( ( ( ( ( sK19_B @ SV142 )
           != ( sK20_SY279 @ SV142 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1830]) ).

thf(1923,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                    | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
              | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) ) )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1831]) ).

thf(1924,plain,
    ! [SV265: $i,SV143: $i,SV241: $i] :
      ( ( ( ~ ( in @ SV241 @ SV143 )
          | ~ ( in @ SV265 @ SV143 ) )
        = $true )
      | ( ( in @ SV241 @ SV265 )
        = $true )
      | ( ( SV241 = SV265 )
        = $true )
      | ( ( in @ SV265 @ SV241 )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1832]) ).

thf(1925,plain,
    ! [SV144: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
          | ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
        = $false )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1833]) ).

thf(1926,plain,
    ! [SV144: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 )
        = $false )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1834]) ).

thf(1927,plain,
    ! [SV295: $i,SV145: $i,SV288: $i,SV280: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV280 @ SV288 ) @ SV145 )
          | ~ ( in @ ( ordered_pair @ SV288 @ SV295 ) @ SV145 )
          | ( in @ ( ordered_pair @ SV280 @ SV295 ) @ SV145 ) )
        = $true )
      | ( ( transitive @ SV145 )
        = $false )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1835]) ).

thf(1928,plain,
    ! [SV289: $i] :
      ( ( ( ~ ( ordinal @ SV289 ) )
        = $true )
      | ( ( ~ ( empty @ ( succ @ SV289 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1836]) ).

thf(1929,plain,
    ! [SV290: $i] :
      ( ( ( ~ ( ordinal @ SV290 ) )
        = $true )
      | ( ( epsilon_transitive @ ( succ @ SV290 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1837]) ).

thf(1930,plain,
    ! [SV245: $i,SV122: $i,SV63: $i] :
      ( ( ( in @ SV63 @ SV122 )
        = $false )
      | ( ( in @ SV245 @ SV122 )
        = $false )
      | ( ( in @ SV245 @ ( sK4_C @ SV122 @ SV63 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1838]) ).

thf(1931,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ( ~ ! [SY604: $i] :
                ( ~ ( subset @ SY604 @ SV266 )
                | ( in @ SY604 @ ( sK3_SY270 @ SV266 @ SV65 ) ) ) )
        = $false )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1841]) ).

thf(1932,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ( ~ ( in @ ( sK3_SY270 @ SV266 @ SV65 ) @ ( sK2_B @ SV65 ) ) )
        = $false )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1841]) ).

thf(1933,plain,
    ! [SV65: $i,SV296: $i] :
      ( ( ! [SY615: $i] :
            ( ~ ( in @ SV296 @ ( sK2_B @ SV65 ) )
            | ~ ( subset @ SY615 @ SV296 )
            | ( in @ SY615 @ ( sK2_B @ SV65 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1842]) ).

thf(1934,plain,
    ! [SV297: $i,SV155: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV297 )
          | ~ ( in @ SV297 @ SV155 ) )
        = $true )
      | ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1844]) ).

thf(1935,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
          | ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) )
        = $false )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1845]) ).

thf(1936,plain,
    ! [SV196: $i,SV156: $i,SV298: $i] :
      ( ( ( ! [SY616: $i] :
              ( ~ ( in @ SV298 @ SY616 )
              | ~ ( in @ SY616 @ SV156 ) )
          | ( in @ SV298 @ SV196 ) )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1846]) ).

thf(1937,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( ~ ( in @ SV299 @ SV196 )
          | ~ ( ~ ( in @ SV299 @ ( sK12_D @ SV299 @ SV196 @ SV156 ) )
              | ~ ( in @ ( sK12_D @ SV299 @ SV196 @ SV156 ) @ SV156 ) ) )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1847]) ).

thf(1938,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 )
          | ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) )
        = $false )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1850]) ).

thf(1939,plain,
    ! [SV158: $i,SV281: $i] :
      ( ( ( ordinal @ SV281 )
        = $false )
      | ( ( ~ ( in @ SV281 @ SV158 )
          | ( in @ ( succ @ SV281 ) @ SV158 ) )
        = $true )
      | ( ( being_limit_ordinal @ SV158 )
        = $false )
      | ( ( ordinal @ SV158 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1851]) ).

thf(1940,plain,
    ! [SV267: $i,SV246: $i] :
      ( ( ( SV246 = SV267 )
        = $false )
      | ( ( proper_subset @ SV246 @ SV267 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1852]) ).

thf(1941,plain,
    ! [SV135: $i,SV66: $i,SV291: $i] :
      ( ( ( ~ ( ordinal @ SV291 ) )
        = $true )
      | ( ( ~ ( in @ SV291 @ SV66 )
          | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SV291 ) )
        = $true )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1854]) ).

thf(1942,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK54_B @ SV66 ) @ SV66 ) )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1855]) ).

thf(1943,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ~ ( ordinal @ ( sK54_B @ SV66 ) ) )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1855]) ).

thf(1944,plain,
    ! [SV282: $i,SV269: $i,SV67: $i] :
      ( ( ( subset @ ( unordered_pair @ SV67 @ SV269 ) @ SV282 )
        = $false )
      | ( ( in @ SV67 @ SV282 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1857]) ).

thf(1945,plain,
    ! [SV283: $i,SV270: $i,SV67: $i] :
      ( ( ( subset @ ( unordered_pair @ SV67 @ SV270 ) @ SV283 )
        = $false )
      | ( ( in @ SV270 @ SV283 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1858]) ).

thf(1946,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                     != ( sK45_SY295 @ SV123 @ SV68 ) )
                    | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                                 != ( sK48_SY300 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
              | ( ( sK44_C @ SV123 @ SV68 )
               != ( sK46_SY299 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1859]) ).

thf(1947,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                     != ( sK47_SY303 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1860]) ).

thf(1948,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1861]) ).

thf(1949,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1861]) ).

thf(1950,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
               != SV70 ) )
          | ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
               != SV201 ) ) )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1862]) ).

thf(1951,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
        = $true )
      | ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
            = SV70 )
          | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
            = SV201 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1863]) ).

thf(1952,plain,
    ! [SV202: $i,SV70: $i,SV231: $i] :
      ( ( ( ! [SY577: $i] :
              ( ~ ( in @ SY577 @ SV231 )
              | ( SY577 = SV70 )
              | ( SY577 = SV202 ) ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1864]) ).

thf(1953,plain,
    ! [SV202: $i,SV231: $i,SV70: $i] :
      ( ( ( ~ ( ~ ! [SY578: $i] :
                    ( ( SY578 != SV70 )
                    | ( in @ SY578 @ SV231 ) )
              | ~ ! [SY579: $i] :
                    ( ( SY579 != SV202 )
                    | ( in @ SY579 @ SV231 ) ) ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1865]) ).

thf(1954,plain,
    ! [SV162: $i,SV273: $i] :
      ( ( ( ordinal @ SV273 )
        = $false )
      | ( ( SV162
          = ( succ @ SV273 ) )
        = $false )
      | ( ( ~ ( being_limit_ordinal @ SV162 ) )
        = $true )
      | ( ( ordinal @ SV162 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1868]) ).

thf(1955,plain,
    ! [SV203: $i,SV232: $i,SV71: $i] :
      ( ( ( in @ SV71 @ SV232 )
        = $false )
      | ( ( ~ ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) ) )
        = $true )
      | ( ( in @ SV71 @ ( relation_restriction @ SV232 @ SV203 ) )
        = $true )
      | ( ( relation @ SV232 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1869]) ).

thf(1956,plain,
    ! [SV274: $i,SV71: $i,SV284: $i] :
      ( ( ( relation @ SV284 )
        = $false )
      | ( ( ~ ( in @ SV71 @ ( relation_restriction @ SV284 @ SV274 ) )
          | ( in @ SV71 @ SV284 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1870]) ).

thf(1957,plain,
    ! [SV275: $i,SV71: $i,SV285: $i] :
      ( ( ( relation @ SV285 )
        = $false )
      | ( ( ~ ( in @ SV71 @ ( relation_restriction @ SV285 @ SV275 ) )
          | ( in @ SV71 @ ( cartesian_product2 @ SV275 @ SV275 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1871]) ).

thf(1958,plain,
    ! [SV164: $i] :
      ( ( ( ~ ( reflexive @ SV164 ) )
        = $true )
      | ( ( ~ ( transitive @ SV164 ) )
        = $true )
      | ( ( ~ ( antisymmetric @ SV164 ) )
        = $true )
      | ( ( ~ ( connected @ SV164 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1872]) ).

thf(1959,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( reflexive @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( relation @ SX0 )
                  | ~ ( well_ordering @ SX0 )
                  | ( transitive @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1873]) ).

thf(1960,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( antisymmetric @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1873]) ).

thf(1961,plain,
    ! [SV292: $i] :
      ( ( ( ~ ( relation @ SV292 ) )
        = $true )
      | ( ( ~ ( well_ordering @ SV292 )
          | ( connected @ SV292 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1874]) ).

thf(1962,plain,
    ! [SV252: $i] :
      ( ( ( well_ordering @ SV252 )
        = $false )
      | ( ( well_founded_relation @ SV252 )
        = $true )
      | ( ( relation @ SV252 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1875]) ).

thf(1963,plain,
    ! [SV124: $i,SV72: $i,SV300: $i,SV276: $i] :
      ( ( ( ( SV276 != SV300 )
          | ~ ( ordinal @ SV300 )
          | ~ ( in @ SV300 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1876]) ).

thf(1964,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ~ ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
          | ~ ( ~ ~ ( ( SV301
                     != ( sK53_E @ SV301 @ SV124 @ SV72 ) )
                    | ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) )
              | ~ ( in @ ( sK53_E @ SV301 @ SV124 @ SV72 ) @ SV72 ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1877]) ).

thf(1965,plain,
    ! [SV72: $i,SV124: $i,SV302: $i] :
      ( ( ( ~ ( in @ SV302 @ ( sK52_C @ SV124 @ SV72 ) )
          | ( in @ SV302 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1878]) ).

thf(1966,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV73 )
          | ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 ) )
        = $false )
      | ( ( subset @ SV73 @ SV253 )
        = $true )
      | ( ( relation @ SV253 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1879]) ).

thf(1967,plain,
    ! [SV254: $i,SV73: $i] :
      ( ( ( subset @ SV73 @ SV254 )
        = $false )
      | ( ( ! [SY596: $i,SY597: $i] :
              ( ~ ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV73 )
              | ( in @ ( ordered_pair @ SY596 @ SY597 ) @ SV254 ) ) )
        = $true )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1880]) ).

thf(1968,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
          | ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 ) )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1881]) ).

thf(1969,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
              | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
          | ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
              | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) )
        = $false )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1882]) ).

thf(1970,plain,
    ! [SV234: $i,SV207: $i,SV74: $i] :
      ( ( ( ! [SY580: $i] :
              ( ~ ( in @ SY580 @ SV74 )
              | ~ ( in @ SY580 @ SV207 )
              | ( in @ SY580 @ SV234 ) ) )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1883]) ).

thf(1971,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( ~ ( ~ ! [SY581: $i] :
                    ( ~ ( in @ SY581 @ SV234 )
                    | ( in @ SY581 @ SV74 ) )
              | ~ ! [SY582: $i] :
                    ( ~ ( in @ SY582 @ SV234 )
                    | ( in @ SY582 @ SV207 ) ) ) )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1884]) ).

thf(1972,plain,
    ! [SV255: $i,SV209: $i,SV168: $i] :
      ( ( ( disjoint @ SV168 @ SV209 )
        = $false )
      | ( ( in @ SV255 @ SV168 )
        = $false )
      | ( ( in @ SV255 @ SV209 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1885]) ).

thf(1973,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
          | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 ) )
        = $true )
      | ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1886]) ).

thf(1974,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
              | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
          | ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
              | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) )
        = $false )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1887]) ).

thf(1975,plain,
    ! [SV236: $i,SV211: $i,SV75: $i] :
      ( ( ( ! [SY583: $i] :
              ( ~ ( in @ SY583 @ SV75 )
              | ( in @ SY583 @ SV211 )
              | ( in @ SY583 @ SV236 ) ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1888]) ).

thf(1976,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( ~ ( ~ ! [SY584: $i] :
                    ( ~ ( in @ SY584 @ SV236 )
                    | ( in @ SY584 @ SV75 ) )
              | ~ ! [SY585: $i] :
                    ( ~ ( in @ SY585 @ SV236 )
                    | ~ ( in @ SY585 @ SV211 ) ) ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1889]) ).

thf(1977,plain,
    ! [SV293: $i,SV286: $i,SV169: $i] :
      ( ( ( ( sK31_B @ SV169 )
          = ( ordered_pair @ SV286 @ SV293 ) )
        = $false )
      | ( ( relation @ SV169 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1890]) ).

thf(1978,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
        = $false )
      | ( ( ~ ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 ) )
        = $true )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1891]) ).

thf(1979,plain,
    ! [SV172: $i,SV213: $i,SV303: $i] :
      ( ( ( ~ ( in @ SV303 @ SV213 )
          | ( subset @ SV303 @ SV172 ) )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1893]) ).

thf(1980,plain,
    ! [SV213: $i,SV172: $i,SV304: $i] :
      ( ( ( ~ ( subset @ SV304 @ SV172 )
          | ( in @ SV304 @ SV213 ) )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1894]) ).

thf(1981,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
              | ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
              | ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) ) )
        = $false )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1895]) ).

thf(1982,plain,
    ! [SV258: $i,SV76: $i] :
      ( ( ( SV76 = SV258 )
        = $false )
      | ( ( ~ ( ~ ! [SY598: $i,SY599: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
                    | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) )
              | ~ ! [SY600: $i,SY601: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
                    | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) ) )
        = $true )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1896]) ).

thf(1983,plain,
    ! [SV217: $i,SV176: $i] :
      ( ( ( ordinal_subset @ SV176 @ SV217 )
        = $false )
      | ( ( subset @ SV176 @ SV217 )
        = $true )
      | ( ( ordinal @ SV176 )
        = $false )
      | ( ( ordinal @ SV217 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1899]) ).

thf(1984,plain,
    ! [SV218: $i,SV177: $i] :
      ( ( ( subset @ SV177 @ SV218 )
        = $false )
      | ( ( ordinal_subset @ SV177 @ SV218 )
        = $true )
      | ( ( ordinal @ SV177 )
        = $false )
      | ( ( ordinal @ SV218 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1900]) ).

thf(1985,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
              | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
          | ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
              | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1901]) ).

thf(1986,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
        = $true )
      | ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
          | ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1902]) ).

thf(1987,plain,
    ! [SV220: $i,SV79: $i,SV238: $i] :
      ( ( ( ! [SY586: $i] :
              ( ~ ( in @ SY586 @ SV238 )
              | ( in @ SY586 @ SV79 )
              | ( in @ SY586 @ SV220 ) ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1903]) ).

thf(1988,plain,
    ! [SV220: $i,SV238: $i,SV79: $i] :
      ( ( ( ~ ( ~ ! [SY587: $i] :
                    ( ~ ( in @ SY587 @ SV79 )
                    | ( in @ SY587 @ SV238 ) )
              | ~ ! [SY588: $i] :
                    ( ~ ( in @ SY588 @ SV220 )
                    | ( in @ SY588 @ SV238 ) ) ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1904]) ).

thf(1989,plain,
    ! [SV178: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
          | ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) )
        = $false )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1905]) ).

thf(1990,plain,
    ! [SV178: $i] :
      ( ( ( ( sK36_B @ SV178 )
          = ( sK37_SY285 @ SV178 ) )
        = $false )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1906]) ).

thf(1991,plain,
    ! [SV179: $i,SV294: $i,SV287: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV287 @ SV294 ) @ SV179 )
          | ~ ( in @ ( ordered_pair @ SV294 @ SV287 ) @ SV179 ) )
        = $true )
      | ( ( SV287 = SV294 )
        = $true )
      | ( ( antisymmetric @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1907]) ).

thf(1992,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( ( sK28_C @ SV221 @ SV180 )
          = SV180 )
        = $false )
      | ( ( ~ ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 ) )
        = $true )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1908]) ).

thf(1993,plain,
    ! [SV222: $i,SV181: $i,SV305: $i] :
      ( ( ( ( SV305 != SV181 )
          | ( in @ SV305 @ SV222 ) )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1910]) ).

thf(1994,plain,
    ! [SV181: $i,SV222: $i,SV306: $i] :
      ( ( ( ~ ( in @ SV306 @ SV222 )
          | ( SV306 = SV181 ) )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1911]) ).

thf(1995,plain,
    ! [SV261: $i,SV80: $i] :
      ( ( ( in @ SV80 @ SV261 )
        = $false )
      | ( ( ordinal_subset @ ( succ @ SV80 ) @ SV261 )
        = $true )
      | ( ( ordinal @ SV261 )
        = $false )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1912]) ).

thf(1996,plain,
    ! [SV262: $i,SV80: $i] :
      ( ( ( ordinal_subset @ ( succ @ SV80 ) @ SV262 )
        = $false )
      | ( ( in @ SV80 @ SV262 )
        = $true )
      | ( ( ordinal @ SV262 )
        = $false )
      | ( ( ordinal @ SV80 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1913]) ).

thf(1997,plain,
    ! [SV120: $i,SV61: $i,SV307: $i] :
      ( ( ( ~ ( ordinal @ SV307 )
          | ~ ( in @ SV307 @ SV61 )
          | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SV307 ) )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1916]) ).

thf(1998,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( SV61 = empty_set )
        = $true )
      | ( ( ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1917]) ).

thf(1999,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
               != SV225 ) )
          | ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                    | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                     != SV62 ) )
                | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                    | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                     != SV121 ) ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1918]) ).

thf(2000,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $true )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV225 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV62 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV121 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1919]) ).

thf(2001,plain,
    ! [SV121: $i,SV62: $i,SV226: $i,SV240: $i] :
      ( ( ( ! [SY589: $i] :
              ( ~ ( in @ SY589 @ SV240 )
              | ( SY589 = SV226 )
              | ( SY589 = SV62 )
              | ( SY589 = SV121 ) ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1920]) ).

thf(2002,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i] :
      ( ( ( ~ ( ~ ! [SY590: $i] :
                    ( ( SY590 != SV226 )
                    | ( in @ SY590 @ SV240 ) )
              | ~ ~ ( ~ ! [SY591: $i] :
                          ( ( SY591 != SV62 )
                          | ( in @ SY591 @ SV240 ) )
                    | ~ ! [SY592: $i] :
                          ( ( SY592 != SV121 )
                          | ( in @ SY592 @ SV240 ) ) ) ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1921]) ).

thf(2003,plain,
    ! [SV142: $i] :
      ( ( ( ( sK19_B @ SV142 )
          = ( sK20_SY279 @ SV142 ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1922]) ).

thf(2004,plain,
    ! [SV142: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
          | ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1923]) ).

thf(2005,plain,
    ! [SV265: $i,SV143: $i,SV241: $i] :
      ( ( ( ~ ( in @ SV241 @ SV143 ) )
        = $true )
      | ( ( ~ ( in @ SV265 @ SV143 ) )
        = $true )
      | ( ( in @ SV241 @ SV265 )
        = $true )
      | ( ( SV241 = SV265 )
        = $true )
      | ( ( in @ SV265 @ SV241 )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1924]) ).

thf(2006,plain,
    ! [SV144: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 ) )
        = $false )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1925]) ).

thf(2007,plain,
    ! [SV144: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 ) )
        = $false )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1925]) ).

thf(2008,plain,
    ! [SV295: $i,SV145: $i,SV288: $i,SV280: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV280 @ SV288 ) @ SV145 )
          | ~ ( in @ ( ordered_pair @ SV288 @ SV295 ) @ SV145 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV280 @ SV295 ) @ SV145 )
        = $true )
      | ( ( transitive @ SV145 )
        = $false )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1927]) ).

thf(2009,plain,
    ! [SV289: $i] :
      ( ( ( ordinal @ SV289 )
        = $false )
      | ( ( ~ ( empty @ ( succ @ SV289 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1928]) ).

thf(2010,plain,
    ! [SV290: $i] :
      ( ( ( ordinal @ SV290 )
        = $false )
      | ( ( epsilon_transitive @ ( succ @ SV290 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1929]) ).

thf(2011,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ( ! [SY604: $i] :
              ( ~ ( subset @ SY604 @ SV266 )
              | ( in @ SY604 @ ( sK3_SY270 @ SV266 @ SV65 ) ) ) )
        = $true )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1931]) ).

thf(2012,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ( in @ ( sK3_SY270 @ SV266 @ SV65 ) @ ( sK2_B @ SV65 ) )
        = $true )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1932]) ).

thf(2013,plain,
    ! [SV308: $i,SV65: $i,SV296: $i] :
      ( ( ~ ( in @ SV296 @ ( sK2_B @ SV65 ) )
        | ~ ( subset @ SV308 @ SV296 )
        | ( in @ SV308 @ ( sK2_B @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1933]) ).

thf(2014,plain,
    ! [SV297: $i,SV155: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV297 ) )
        = $true )
      | ( ( ~ ( in @ SV297 @ SV155 ) )
        = $true )
      | ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1934]) ).

thf(2015,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) ) )
        = $false )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1935]) ).

thf(2016,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( ~ ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 ) )
        = $false )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1935]) ).

thf(2017,plain,
    ! [SV196: $i,SV156: $i,SV298: $i] :
      ( ( ( ! [SY616: $i] :
              ( ~ ( in @ SV298 @ SY616 )
              | ~ ( in @ SY616 @ SV156 ) ) )
        = $true )
      | ( ( in @ SV298 @ SV196 )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1936]) ).

thf(2018,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( ~ ( in @ SV299 @ SV196 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV299 @ ( sK12_D @ SV299 @ SV196 @ SV156 ) )
              | ~ ( in @ ( sK12_D @ SV299 @ SV196 @ SV156 ) @ SV156 ) ) )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1937]) ).

thf(2019,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( in @ ( sK33_B @ SV157 ) @ SV157 ) )
        = $false )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1938]) ).

thf(2020,plain,
    ! [SV157: $i] :
      ( ( ( ~ ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) )
        = $false )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1938]) ).

thf(2021,plain,
    ! [SV158: $i,SV281: $i] :
      ( ( ( ~ ( in @ SV281 @ SV158 ) )
        = $true )
      | ( ( in @ ( succ @ SV281 ) @ SV158 )
        = $true )
      | ( ( ordinal @ SV281 )
        = $false )
      | ( ( being_limit_ordinal @ SV158 )
        = $false )
      | ( ( ordinal @ SV158 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1939]) ).

thf(2022,plain,
    ! [SV135: $i,SV66: $i,SV291: $i] :
      ( ( ( ordinal @ SV291 )
        = $false )
      | ( ( ~ ( in @ SV291 @ SV66 )
          | ( ordinal_subset @ ( sK54_B @ SV66 ) @ SV291 ) )
        = $true )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1941]) ).

thf(2023,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( in @ ( sK54_B @ SV66 ) @ SV66 )
        = $true )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1942]) ).

thf(2024,plain,
    ! [SV135: $i,SV66: $i] :
      ( ( ( ordinal @ ( sK54_B @ SV66 ) )
        = $true )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1943]) ).

thf(2025,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                 != ( sK45_SY295 @ SV123 @ SV68 ) )
                | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                             != ( sK48_SY300 @ SV123 @ SV68 ) )
                            | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                      | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
          | ( ( sK44_C @ SV123 @ SV68 )
           != ( sK46_SY299 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1946]) ).

thf(2026,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                 != ( sK47_SY303 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1947]) ).

thf(2027,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1948]) ).

thf(2028,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1949]) ).

thf(2029,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
               != SV70 ) ) )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1950]) ).

thf(2030,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
              | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
               != SV201 ) ) )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1950]) ).

thf(2031,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
          = SV70 )
        = $true )
      | ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
          = SV201 )
        = $true )
      | ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1951]) ).

thf(2032,plain,
    ! [SV202: $i,SV70: $i,SV231: $i,SV309: $i] :
      ( ( ( ~ ( in @ SV309 @ SV231 )
          | ( SV309 = SV70 )
          | ( SV309 = SV202 ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1952]) ).

thf(2033,plain,
    ! [SV202: $i,SV231: $i,SV70: $i] :
      ( ( ( ~ ! [SY578: $i] :
                ( ( SY578 != SV70 )
                | ( in @ SY578 @ SV231 ) )
          | ~ ! [SY579: $i] :
                ( ( SY579 != SV202 )
                | ( in @ SY579 @ SV231 ) ) )
        = $false )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1953]) ).

thf(2034,plain,
    ! [SV273: $i,SV162: $i] :
      ( ( ( being_limit_ordinal @ SV162 )
        = $false )
      | ( ( SV162
          = ( succ @ SV273 ) )
        = $false )
      | ( ( ordinal @ SV273 )
        = $false )
      | ( ( ordinal @ SV162 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1954]) ).

thf(2035,plain,
    ! [SV232: $i,SV203: $i,SV71: $i] :
      ( ( ( in @ SV71 @ ( cartesian_product2 @ SV203 @ SV203 ) )
        = $false )
      | ( ( in @ SV71 @ SV232 )
        = $false )
      | ( ( in @ SV71 @ ( relation_restriction @ SV232 @ SV203 ) )
        = $true )
      | ( ( relation @ SV232 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1955]) ).

thf(2036,plain,
    ! [SV274: $i,SV284: $i,SV71: $i] :
      ( ( ( ~ ( in @ SV71 @ ( relation_restriction @ SV284 @ SV274 ) ) )
        = $true )
      | ( ( in @ SV71 @ SV284 )
        = $true )
      | ( ( relation @ SV284 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1956]) ).

thf(2037,plain,
    ! [SV275: $i,SV285: $i,SV71: $i] :
      ( ( ( ~ ( in @ SV71 @ ( relation_restriction @ SV285 @ SV275 ) ) )
        = $true )
      | ( ( in @ SV71 @ ( cartesian_product2 @ SV275 @ SV275 ) )
        = $true )
      | ( ( relation @ SV285 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1957]) ).

thf(2038,plain,
    ! [SV164: $i] :
      ( ( ( reflexive @ SV164 )
        = $false )
      | ( ( ~ ( transitive @ SV164 ) )
        = $true )
      | ( ( ~ ( antisymmetric @ SV164 ) )
        = $true )
      | ( ( ~ ( connected @ SV164 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1958]) ).

thf(2039,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( well_ordering @ SX0 )
                | ( reflexive @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ~ ( well_ordering @ SX0 )
                | ( transitive @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1959]) ).

thf(2040,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( well_ordering @ SX0 )
          | ( antisymmetric @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1960]) ).

thf(2041,plain,
    ! [SV292: $i] :
      ( ( ( relation @ SV292 )
        = $false )
      | ( ( ~ ( well_ordering @ SV292 )
          | ( connected @ SV292 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1961]) ).

thf(2042,plain,
    ! [SV124: $i,SV72: $i,SV300: $i,SV276: $i] :
      ( ( ( ( SV276 != SV300 )
          | ~ ( ordinal @ SV300 ) )
        = $true )
      | ( ( ~ ( in @ SV300 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1963]) ).

thf(2043,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ~ ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( SV301
                     != ( sK53_E @ SV301 @ SV124 @ SV72 ) )
                    | ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) )
              | ~ ( in @ ( sK53_E @ SV301 @ SV124 @ SV72 ) @ SV72 ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1964]) ).

thf(2044,plain,
    ! [SV72: $i,SV124: $i,SV302: $i] :
      ( ( ( ~ ( in @ SV302 @ ( sK52_C @ SV124 @ SV72 ) ) )
        = $true )
      | ( ( in @ SV302 @ ( succ @ SV124 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1965]) ).

thf(2045,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV73 ) )
        = $false )
      | ( ( subset @ SV73 @ SV253 )
        = $true )
      | ( ( relation @ SV253 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1966]) ).

thf(2046,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( ~ ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 ) )
        = $false )
      | ( ( subset @ SV73 @ SV253 )
        = $true )
      | ( ( relation @ SV253 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1966]) ).

thf(2047,plain,
    ! [SV254: $i,SV73: $i,SV310: $i] :
      ( ( ( ! [SY617: $i] :
              ( ~ ( in @ ( ordered_pair @ SV310 @ SY617 ) @ SV73 )
              | ( in @ ( ordered_pair @ SV310 @ SY617 ) @ SV254 ) ) )
        = $true )
      | ( ( subset @ SV73 @ SV254 )
        = $false )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1967]) ).

thf(2048,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 ) )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 ) )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1968]) ).

thf(2049,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
              | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) )
        = $false )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1969]) ).

thf(2050,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ~ ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
              | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) ) )
        = $false )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1969]) ).

thf(2051,plain,
    ! [SV234: $i,SV207: $i,SV74: $i,SV311: $i] :
      ( ( ( ~ ( in @ SV311 @ SV74 )
          | ~ ( in @ SV311 @ SV207 )
          | ( in @ SV311 @ SV234 ) )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1970]) ).

thf(2052,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( ~ ! [SY581: $i] :
                ( ~ ( in @ SY581 @ SV234 )
                | ( in @ SY581 @ SV74 ) )
          | ~ ! [SY582: $i] :
                ( ~ ( in @ SY582 @ SV234 )
                | ( in @ SY582 @ SV207 ) ) )
        = $false )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1971]) ).

thf(2053,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 ) )
        = $true )
      | ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
        = $true )
      | ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1973]) ).

thf(2054,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
              | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) )
        = $false )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1974]) ).

thf(2055,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
              | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) ) )
        = $false )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1974]) ).

thf(2056,plain,
    ! [SV236: $i,SV211: $i,SV75: $i,SV312: $i] :
      ( ( ( ~ ( in @ SV312 @ SV75 )
          | ( in @ SV312 @ SV211 )
          | ( in @ SV312 @ SV236 ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1975]) ).

thf(2057,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( ~ ! [SY584: $i] :
                ( ~ ( in @ SY584 @ SV236 )
                | ( in @ SY584 @ SV75 ) )
          | ~ ! [SY585: $i] :
                ( ~ ( in @ SY585 @ SV236 )
                | ~ ( in @ SY585 @ SV211 ) ) )
        = $false )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1976]) ).

thf(2058,plain,
    ! [SV171: $i,SV212: $i] :
      ( ( ( subset @ ( sK26_C @ SV212 @ SV171 ) @ SV171 )
        = $false )
      | ( ( in @ ( sK26_C @ SV212 @ SV171 ) @ SV212 )
        = $false )
      | ( ( SV212
          = ( powerset @ SV171 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1978]) ).

thf(2059,plain,
    ! [SV172: $i,SV213: $i,SV303: $i] :
      ( ( ( ~ ( in @ SV303 @ SV213 ) )
        = $true )
      | ( ( subset @ SV303 @ SV172 )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1979]) ).

thf(2060,plain,
    ! [SV213: $i,SV172: $i,SV304: $i] :
      ( ( ( ~ ( subset @ SV304 @ SV172 ) )
        = $true )
      | ( ( in @ SV304 @ SV213 )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1980]) ).

thf(2061,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
              | ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) ) )
        = $false )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1981]) ).

thf(2062,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
              | ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) ) )
        = $false )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1981]) ).

thf(2063,plain,
    ! [SV258: $i,SV76: $i] :
      ( ( ( ~ ! [SY598: $i,SY599: $i] :
                ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
                | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) )
          | ~ ! [SY600: $i,SY601: $i] :
                ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
                | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) )
        = $false )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1982]) ).

thf(2064,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
              | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) ) )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1985]) ).

thf(2065,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
              | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) ) )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1985]) ).

thf(2066,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
        = $true )
      | ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 )
        = $true )
      | ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1986]) ).

thf(2067,plain,
    ! [SV220: $i,SV79: $i,SV238: $i,SV313: $i] :
      ( ( ( ~ ( in @ SV313 @ SV238 )
          | ( in @ SV313 @ SV79 )
          | ( in @ SV313 @ SV220 ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1987]) ).

thf(2068,plain,
    ! [SV220: $i,SV238: $i,SV79: $i] :
      ( ( ( ~ ! [SY587: $i] :
                ( ~ ( in @ SY587 @ SV79 )
                | ( in @ SY587 @ SV238 ) )
          | ~ ! [SY588: $i] :
                ( ~ ( in @ SY588 @ SV220 )
                | ( in @ SY588 @ SV238 ) ) )
        = $false )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1988]) ).

thf(2069,plain,
    ! [SV178: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 ) )
        = $false )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1989]) ).

thf(2070,plain,
    ! [SV178: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 ) )
        = $false )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1989]) ).

thf(2071,plain,
    ! [SV179: $i,SV294: $i,SV287: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV287 @ SV294 ) @ SV179 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV294 @ SV287 ) @ SV179 ) )
        = $true )
      | ( ( SV287 = SV294 )
        = $true )
      | ( ( antisymmetric @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1991]) ).

thf(2072,plain,
    ! [SV180: $i,SV221: $i] :
      ( ( ( in @ ( sK28_C @ SV221 @ SV180 ) @ SV221 )
        = $false )
      | ( ( ( sK28_C @ SV221 @ SV180 )
          = SV180 )
        = $false )
      | ( ( SV221
          = ( singleton @ SV180 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1992]) ).

thf(2073,plain,
    ! [SV222: $i,SV181: $i,SV305: $i] :
      ( ( ( ( SV305 != SV181 ) )
        = $true )
      | ( ( in @ SV305 @ SV222 )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1993]) ).

thf(2074,plain,
    ! [SV181: $i,SV222: $i,SV306: $i] :
      ( ( ( ~ ( in @ SV306 @ SV222 ) )
        = $true )
      | ( ( SV306 = SV181 )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1994]) ).

thf(2075,plain,
    ! [SV120: $i,SV61: $i,SV307: $i] :
      ( ( ( ~ ( ordinal @ SV307 ) )
        = $true )
      | ( ( ~ ( in @ SV307 @ SV61 )
          | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SV307 ) )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1997]) ).

thf(2076,plain,
    ! [SV120: $i,SV61: $i] :
      ( ( ( subset @ SV61 @ SV120 )
        = $false )
      | ( ( SV61 = empty_set )
        = $true )
      | ( ( in @ ( sK35_C @ SV120 @ SV61 ) @ SV61 )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1998]) ).

thf(2077,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
               != SV225 ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1999]) ).

thf(2078,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                    | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                     != SV62 ) )
                | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                    | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                     != SV121 ) ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1999]) ).

thf(2079,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
          = SV225 )
        = $true )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV62 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
            = SV121 ) )
        = $true )
      | ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2000]) ).

thf(2080,plain,
    ! [SV121: $i,SV62: $i,SV226: $i,SV240: $i,SV314: $i] :
      ( ( ( ~ ( in @ SV314 @ SV240 )
          | ( SV314 = SV226 )
          | ( SV314 = SV62 )
          | ( SV314 = SV121 ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2001]) ).

thf(2081,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i] :
      ( ( ( ~ ! [SY590: $i] :
                ( ( SY590 != SV226 )
                | ( in @ SY590 @ SV240 ) )
          | ~ ~ ( ~ ! [SY591: $i] :
                      ( ( SY591 != SV62 )
                      | ( in @ SY591 @ SV240 ) )
                | ~ ! [SY592: $i] :
                      ( ( SY592 != SV121 )
                      | ( in @ SY592 @ SV240 ) ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2002]) ).

thf(2082,plain,
    ! [SV142: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
                | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2004]) ).

thf(2083,plain,
    ! [SV142: $i] :
      ( ( ( ~ ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2004]) ).

thf(2084,plain,
    ! [SV265: $i,SV143: $i,SV241: $i] :
      ( ( ( in @ SV241 @ SV143 )
        = $false )
      | ( ( ~ ( in @ SV265 @ SV143 ) )
        = $true )
      | ( ( in @ SV241 @ SV265 )
        = $true )
      | ( ( SV241 = SV265 )
        = $true )
      | ( ( in @ SV265 @ SV241 )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2005]) ).

thf(2085,plain,
    ! [SV144: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK38_B @ SV144 ) @ ( sK39_SY286 @ SV144 ) ) @ SV144 )
        = $true )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2006]) ).

thf(2086,plain,
    ! [SV144: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK39_SY286 @ SV144 ) @ ( sK40_SY288 @ SV144 ) ) @ SV144 )
        = $true )
      | ( ( transitive @ SV144 )
        = $true )
      | ( ( relation @ SV144 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2007]) ).

thf(2087,plain,
    ! [SV295: $i,SV145: $i,SV288: $i,SV280: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV280 @ SV288 ) @ SV145 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV288 @ SV295 ) @ SV145 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV280 @ SV295 ) @ SV145 )
        = $true )
      | ( ( transitive @ SV145 )
        = $false )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2008]) ).

thf(2088,plain,
    ! [SV289: $i] :
      ( ( ( empty @ ( succ @ SV289 ) )
        = $false )
      | ( ( ordinal @ SV289 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2009]) ).

thf(2089,plain,
    ! [SV65: $i,SV266: $i,SV315: $i] :
      ( ( ( ~ ( subset @ SV315 @ SV266 )
          | ( in @ SV315 @ ( sK3_SY270 @ SV266 @ SV65 ) ) )
        = $true )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2011]) ).

thf(2090,plain,
    ! [SV65: $i,SV266: $i] :
      ( ( ( in @ SV266 @ ( sK2_B @ SV65 ) )
        = $false )
      | ( ( in @ ( sK3_SY270 @ SV266 @ SV65 ) @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2012]) ).

thf(2091,plain,
    ! [SV308: $i,SV65: $i,SV296: $i] :
      ( ( ( ~ ( in @ SV296 @ ( sK2_B @ SV65 ) )
          | ~ ( subset @ SV308 @ SV296 ) )
        = $true )
      | ( ( in @ SV308 @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2013]) ).

thf(2092,plain,
    ! [SV297: $i,SV155: $i,SV195: $i] :
      ( ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV297 )
        = $false )
      | ( ( ~ ( in @ SV297 @ SV155 ) )
        = $true )
      | ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2014]) ).

thf(2093,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ ( sK14_SY277 @ SV195 @ SV155 ) )
        = $true )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2015]) ).

thf(2094,plain,
    ! [SV155: $i,SV195: $i] :
      ( ( ( in @ ( sK14_SY277 @ SV195 @ SV155 ) @ SV155 )
        = $true )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2016]) ).

thf(2095,plain,
    ! [SV196: $i,SV156: $i,SV316: $i,SV298: $i] :
      ( ( ( ~ ( in @ SV298 @ SV316 )
          | ~ ( in @ SV316 @ SV156 ) )
        = $true )
      | ( ( in @ SV298 @ SV196 )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2017]) ).

thf(2096,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( in @ SV299 @ SV196 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV299 @ ( sK12_D @ SV299 @ SV196 @ SV156 ) )
              | ~ ( in @ ( sK12_D @ SV299 @ SV196 @ SV156 ) @ SV156 ) ) )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2018]) ).

thf(2097,plain,
    ! [SV157: $i] :
      ( ( ( in @ ( sK33_B @ SV157 ) @ SV157 )
        = $true )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2019]) ).

thf(2098,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 ) )
        = $true )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2020]) ).

thf(2099,plain,
    ! [SV158: $i,SV281: $i] :
      ( ( ( in @ SV281 @ SV158 )
        = $false )
      | ( ( in @ ( succ @ SV281 ) @ SV158 )
        = $true )
      | ( ( ordinal @ SV281 )
        = $false )
      | ( ( being_limit_ordinal @ SV158 )
        = $false )
      | ( ( ordinal @ SV158 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2021]) ).

thf(2100,plain,
    ! [SV135: $i,SV66: $i,SV291: $i] :
      ( ( ( ~ ( in @ SV291 @ SV66 ) )
        = $true )
      | ( ( ordinal_subset @ ( sK54_B @ SV66 ) @ SV291 )
        = $true )
      | ( ( ordinal @ SV291 )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2022]) ).

thf(2101,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ( ( sK44_C @ SV123 @ SV68 )
                 != ( sK45_SY295 @ SV123 @ SV68 ) )
                | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                             != ( sK48_SY300 @ SV123 @ SV68 ) )
                            | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                      | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2025]) ).

thf(2102,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK44_C @ SV123 @ SV68 )
           != ( sK46_SY299 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2025]) ).

thf(2103,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
                 != ( sK47_SY303 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2026]) ).

thf(2104,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2026]) ).

thf(2105,plain,
    ! [SV68: $i,SV123: $i,SV317: $i] :
      ( ( ( ! [SY618: $i] :
              ( ( SY618 != SV317 )
              | ~ ( in @ SY618 @ ( succ @ SV123 ) ) )
          | ! [SY619: $i] :
              ( ( SV317 != SY619 )
              | ~ ( ordinal @ SY619 )
              | ~ ( in @ SY619 @ SV68 ) )
          | ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2027]) ).

thf(2106,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
                     != SV318 )
                    | ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV318
                           != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2028]) ).

thf(2107,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
          | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
           != SV70 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2029]) ).

thf(2108,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
          | ( ( sK22_D @ SV230 @ SV201 @ SV70 )
           != SV201 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2030]) ).

thf(2109,plain,
    ! [SV202: $i,SV70: $i,SV231: $i,SV309: $i] :
      ( ( ( ~ ( in @ SV309 @ SV231 ) )
        = $true )
      | ( ( ( SV309 = SV70 )
          | ( SV309 = SV202 ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2032]) ).

thf(2110,plain,
    ! [SV202: $i,SV231: $i,SV70: $i] :
      ( ( ( ~ ! [SY578: $i] :
                ( ( SY578 != SV70 )
                | ( in @ SY578 @ SV231 ) ) )
        = $false )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2033]) ).

thf(2111,plain,
    ! [SV70: $i,SV231: $i,SV202: $i] :
      ( ( ( ~ ! [SY579: $i] :
                ( ( SY579 != SV202 )
                | ( in @ SY579 @ SV231 ) ) )
        = $false )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2033]) ).

thf(2112,plain,
    ! [SV274: $i,SV284: $i,SV71: $i] :
      ( ( ( in @ SV71 @ ( relation_restriction @ SV284 @ SV274 ) )
        = $false )
      | ( ( in @ SV71 @ SV284 )
        = $true )
      | ( ( relation @ SV284 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2036]) ).

thf(2113,plain,
    ! [SV275: $i,SV285: $i,SV71: $i] :
      ( ( ( in @ SV71 @ ( relation_restriction @ SV285 @ SV275 ) )
        = $false )
      | ( ( in @ SV71 @ ( cartesian_product2 @ SV275 @ SV275 ) )
        = $true )
      | ( ( relation @ SV285 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2037]) ).

thf(2114,plain,
    ! [SV164: $i] :
      ( ( ( transitive @ SV164 )
        = $false )
      | ( ( reflexive @ SV164 )
        = $false )
      | ( ( ~ ( antisymmetric @ SV164 ) )
        = $true )
      | ( ( ~ ( connected @ SV164 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2038]) ).

thf(2115,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( reflexive @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[2039]) ).

thf(2116,plain,
    ! [SV319: $i] :
      ( ( ~ ( relation @ SV319 )
        | ~ ( well_ordering @ SV319 )
        | ( antisymmetric @ SV319 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2040]) ).

thf(2117,plain,
    ! [SV292: $i] :
      ( ( ( ~ ( well_ordering @ SV292 ) )
        = $true )
      | ( ( connected @ SV292 )
        = $true )
      | ( ( relation @ SV292 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2041]) ).

thf(2118,plain,
    ! [SV124: $i,SV72: $i,SV300: $i,SV276: $i] :
      ( ( ( ( SV276 != SV300 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV300 ) )
        = $true )
      | ( ( ~ ( in @ SV300 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2042]) ).

thf(2119,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( SV301
                     != ( sK53_E @ SV301 @ SV124 @ SV72 ) )
                    | ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) )
              | ~ ( in @ ( sK53_E @ SV301 @ SV124 @ SV72 ) @ SV72 ) ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2043]) ).

thf(2120,plain,
    ! [SV72: $i,SV124: $i,SV302: $i] :
      ( ( ( in @ SV302 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( in @ SV302 @ ( succ @ SV124 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2044]) ).

thf(2121,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV73 )
        = $true )
      | ( ( subset @ SV73 @ SV253 )
        = $true )
      | ( ( relation @ SV253 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2045]) ).

thf(2122,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 ) )
        = $true )
      | ( ( subset @ SV73 @ SV253 )
        = $true )
      | ( ( relation @ SV253 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2046]) ).

thf(2123,plain,
    ! [SV254: $i,SV73: $i,SV320: $i,SV310: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV310 @ SV320 ) @ SV73 )
          | ( in @ ( ordered_pair @ SV310 @ SV320 ) @ SV254 ) )
        = $true )
      | ( ( subset @ SV73 @ SV254 )
        = $false )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2047]) ).

thf(2124,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
        = $false )
      | ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 ) )
        = $true )
      | ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2048]) ).

thf(2125,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
          | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2049]) ).

thf(2126,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
          | ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2050]) ).

thf(2127,plain,
    ! [SV234: $i,SV207: $i,SV74: $i,SV311: $i] :
      ( ( ( ~ ( in @ SV311 @ SV74 )
          | ~ ( in @ SV311 @ SV207 ) )
        = $true )
      | ( ( in @ SV311 @ SV234 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2051]) ).

thf(2128,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( ~ ! [SY581: $i] :
                ( ~ ( in @ SY581 @ SV234 )
                | ( in @ SY581 @ SV74 ) ) )
        = $false )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2052]) ).

thf(2129,plain,
    ! [SV74: $i,SV207: $i,SV234: $i] :
      ( ( ( ~ ! [SY582: $i] :
                ( ~ ( in @ SY582 @ SV234 )
                | ( in @ SY582 @ SV207 ) ) )
        = $false )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2052]) ).

thf(2130,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
        = $false )
      | ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
        = $true )
      | ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2053]) ).

thf(2131,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
          | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2054]) ).

thf(2132,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
          | ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 ) )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2055]) ).

thf(2133,plain,
    ! [SV236: $i,SV211: $i,SV75: $i,SV312: $i] :
      ( ( ( ~ ( in @ SV312 @ SV75 )
          | ( in @ SV312 @ SV211 ) )
        = $true )
      | ( ( in @ SV312 @ SV236 )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2056]) ).

thf(2134,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( ~ ! [SY584: $i] :
                ( ~ ( in @ SY584 @ SV236 )
                | ( in @ SY584 @ SV75 ) ) )
        = $false )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2057]) ).

thf(2135,plain,
    ! [SV75: $i,SV211: $i,SV236: $i] :
      ( ( ( ~ ! [SY585: $i] :
                ( ~ ( in @ SY585 @ SV236 )
                | ~ ( in @ SY585 @ SV211 ) ) )
        = $false )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2057]) ).

thf(2136,plain,
    ! [SV172: $i,SV213: $i,SV303: $i] :
      ( ( ( in @ SV303 @ SV213 )
        = $false )
      | ( ( subset @ SV303 @ SV172 )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2059]) ).

thf(2137,plain,
    ! [SV213: $i,SV172: $i,SV304: $i] :
      ( ( ( subset @ SV304 @ SV172 )
        = $false )
      | ( ( in @ SV304 @ SV213 )
        = $true )
      | ( ( SV213
          = ( powerset @ SV172 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2060]) ).

thf(2138,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
          | ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
        = $true )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2061]) ).

thf(2139,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
          | ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
        = $true )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2062]) ).

thf(2140,plain,
    ! [SV258: $i,SV76: $i] :
      ( ( ( ~ ! [SY598: $i,SY599: $i] :
                ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
                | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) ) )
        = $false )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2063]) ).

thf(2141,plain,
    ! [SV76: $i,SV258: $i] :
      ( ( ( ~ ! [SY600: $i,SY601: $i] :
                ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
                | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) )
        = $false )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2063]) ).

thf(2142,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
          | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2064]) ).

thf(2143,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
          | ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2065]) ).

thf(2144,plain,
    ! [SV220: $i,SV79: $i,SV238: $i,SV313: $i] :
      ( ( ( ~ ( in @ SV313 @ SV238 ) )
        = $true )
      | ( ( ( in @ SV313 @ SV79 )
          | ( in @ SV313 @ SV220 ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2067]) ).

thf(2145,plain,
    ! [SV220: $i,SV238: $i,SV79: $i] :
      ( ( ( ~ ! [SY587: $i] :
                ( ~ ( in @ SY587 @ SV79 )
                | ( in @ SY587 @ SV238 ) ) )
        = $false )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2068]) ).

thf(2146,plain,
    ! [SV79: $i,SV238: $i,SV220: $i] :
      ( ( ( ~ ! [SY588: $i] :
                ( ~ ( in @ SY588 @ SV220 )
                | ( in @ SY588 @ SV238 ) ) )
        = $false )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2068]) ).

thf(2147,plain,
    ! [SV178: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK36_B @ SV178 ) @ ( sK37_SY285 @ SV178 ) ) @ SV178 )
        = $true )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2069]) ).

thf(2148,plain,
    ! [SV178: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK37_SY285 @ SV178 ) @ ( sK36_B @ SV178 ) ) @ SV178 )
        = $true )
      | ( ( antisymmetric @ SV178 )
        = $true )
      | ( ( relation @ SV178 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2070]) ).

thf(2149,plain,
    ! [SV179: $i,SV294: $i,SV287: $i] :
      ( ( ( in @ ( ordered_pair @ SV287 @ SV294 ) @ SV179 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV294 @ SV287 ) @ SV179 ) )
        = $true )
      | ( ( SV287 = SV294 )
        = $true )
      | ( ( antisymmetric @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2071]) ).

thf(2150,plain,
    ! [SV222: $i,SV181: $i,SV305: $i] :
      ( ( ( SV305 = SV181 )
        = $false )
      | ( ( in @ SV305 @ SV222 )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2073]) ).

thf(2151,plain,
    ! [SV181: $i,SV222: $i,SV306: $i] :
      ( ( ( in @ SV306 @ SV222 )
        = $false )
      | ( ( SV306 = SV181 )
        = $true )
      | ( ( SV222
          = ( singleton @ SV181 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2074]) ).

thf(2152,plain,
    ! [SV120: $i,SV61: $i,SV307: $i] :
      ( ( ( ordinal @ SV307 )
        = $false )
      | ( ( ~ ( in @ SV307 @ SV61 )
          | ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SV307 ) )
        = $true )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2075]) ).

thf(2153,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV225 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2077]) ).

thf(2154,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                  | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                   != SV62 ) )
              | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
                  | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
                   != SV121 ) ) ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2078]) ).

thf(2155,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
          = SV62 )
        = $true )
      | ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
          = SV121 )
        = $true )
      | ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
          = SV225 )
        = $true )
      | ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2079]) ).

thf(2156,plain,
    ! [SV121: $i,SV62: $i,SV226: $i,SV240: $i,SV314: $i] :
      ( ( ( ~ ( in @ SV314 @ SV240 ) )
        = $true )
      | ( ( ( SV314 = SV226 )
          | ( SV314 = SV62 )
          | ( SV314 = SV121 ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2080]) ).

thf(2157,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i] :
      ( ( ( ~ ! [SY590: $i] :
                ( ( SY590 != SV226 )
                | ( in @ SY590 @ SV240 ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2081]) ).

thf(2158,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i] :
      ( ( ( ~ ~ ( ~ ! [SY591: $i] :
                      ( ( SY591 != SV62 )
                      | ( in @ SY591 @ SV240 ) )
                | ~ ! [SY592: $i] :
                      ( ( SY592 != SV121 )
                      | ( in @ SY592 @ SV240 ) ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2081]) ).

thf(2159,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
              | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2082]) ).

thf(2160,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2083]) ).

thf(2161,plain,
    ! [SV241: $i,SV143: $i,SV265: $i] :
      ( ( ( in @ SV265 @ SV143 )
        = $false )
      | ( ( in @ SV241 @ SV143 )
        = $false )
      | ( ( in @ SV241 @ SV265 )
        = $true )
      | ( ( SV241 = SV265 )
        = $true )
      | ( ( in @ SV265 @ SV241 )
        = $true )
      | ( ( epsilon_connected @ SV143 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2084]) ).

thf(2162,plain,
    ! [SV295: $i,SV145: $i,SV288: $i,SV280: $i] :
      ( ( ( in @ ( ordered_pair @ SV280 @ SV288 ) @ SV145 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV288 @ SV295 ) @ SV145 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV280 @ SV295 ) @ SV145 )
        = $true )
      | ( ( transitive @ SV145 )
        = $false )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2087]) ).

thf(2163,plain,
    ! [SV65: $i,SV266: $i,SV315: $i] :
      ( ( ( ~ ( subset @ SV315 @ SV266 ) )
        = $true )
      | ( ( in @ SV315 @ ( sK3_SY270 @ SV266 @ SV65 ) )
        = $true )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2089]) ).

thf(2164,plain,
    ! [SV308: $i,SV65: $i,SV296: $i] :
      ( ( ( ~ ( in @ SV296 @ ( sK2_B @ SV65 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV308 @ SV296 ) )
        = $true )
      | ( ( in @ SV308 @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2091]) ).

thf(2165,plain,
    ! [SV195: $i,SV155: $i,SV297: $i] :
      ( ( ( in @ SV297 @ SV155 )
        = $false )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV297 )
        = $false )
      | ( ( ~ ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 ) )
        = $true )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2092]) ).

thf(2166,plain,
    ! [SV196: $i,SV156: $i,SV316: $i,SV298: $i] :
      ( ( ( ~ ( in @ SV298 @ SV316 ) )
        = $true )
      | ( ( ~ ( in @ SV316 @ SV156 ) )
        = $true )
      | ( ( in @ SV298 @ SV196 )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2095]) ).

thf(2167,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( ~ ( in @ SV299 @ ( sK12_D @ SV299 @ SV196 @ SV156 ) )
          | ~ ( in @ ( sK12_D @ SV299 @ SV196 @ SV156 ) @ SV156 ) )
        = $false )
      | ( ( in @ SV299 @ SV196 )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2096]) ).

thf(2168,plain,
    ! [SV157: $i] :
      ( ( ( in @ ( succ @ ( sK33_B @ SV157 ) ) @ SV157 )
        = $false )
      | ( ( being_limit_ordinal @ SV157 )
        = $true )
      | ( ( ordinal @ SV157 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2098]) ).

thf(2169,plain,
    ! [SV135: $i,SV66: $i,SV291: $i] :
      ( ( ( in @ SV291 @ SV66 )
        = $false )
      | ( ( ordinal_subset @ ( sK54_B @ SV66 ) @ SV291 )
        = $true )
      | ( ( ordinal @ SV291 )
        = $false )
      | ( ( in @ SV135 @ SV66 )
        = $false )
      | ( ( ordinal @ SV135 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2100]) ).

thf(2170,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ( ( sK44_C @ SV123 @ SV68 )
               != ( sK45_SY295 @ SV123 @ SV68 ) )
              | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                           != ( sK48_SY300 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2101]) ).

thf(2171,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2102]) ).

thf(2172,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ( ( sK46_SY299 @ SV123 @ SV68 )
               != ( sK47_SY303 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2103]) ).

thf(2173,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2104]) ).

thf(2174,plain,
    ! [SV68: $i,SV123: $i,SV317: $i] :
      ( ( ( ! [SY618: $i] :
              ( ( SY618 != SV317 )
              | ~ ( in @ SY618 @ ( succ @ SV123 ) ) )
          | ! [SY619: $i] :
              ( ( SV317 != SY619 )
              | ~ ( ordinal @ SY619 )
              | ~ ( in @ SY619 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2105]) ).

thf(2175,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
                     != SV318 )
                    | ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV318
                           != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2106]) ).

thf(2176,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 ) )
        = $true )
      | ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
           != SV70 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2107]) ).

thf(2177,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ~ ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 ) )
        = $true )
      | ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
           != SV201 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2108]) ).

thf(2178,plain,
    ! [SV202: $i,SV70: $i,SV231: $i,SV309: $i] :
      ( ( ( in @ SV309 @ SV231 )
        = $false )
      | ( ( ( SV309 = SV70 )
          | ( SV309 = SV202 ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2109]) ).

thf(2179,plain,
    ! [SV202: $i,SV231: $i,SV70: $i] :
      ( ( ( ! [SY578: $i] :
              ( ( SY578 != SV70 )
              | ( in @ SY578 @ SV231 ) ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2110]) ).

thf(2180,plain,
    ! [SV70: $i,SV231: $i,SV202: $i] :
      ( ( ( ! [SY579: $i] :
              ( ( SY579 != SV202 )
              | ( in @ SY579 @ SV231 ) ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2111]) ).

thf(2181,plain,
    ! [SV164: $i] :
      ( ( ( antisymmetric @ SV164 )
        = $false )
      | ( ( reflexive @ SV164 )
        = $false )
      | ( ( transitive @ SV164 )
        = $false )
      | ( ( ~ ( connected @ SV164 ) )
        = $true )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2114]) ).

thf(2182,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( reflexive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[2115]) ).

thf(2183,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ~ ( well_ordering @ SX0 )
            | ( transitive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[2115]) ).

thf(2184,plain,
    ! [SV319: $i] :
      ( ( ( ~ ( relation @ SV319 ) )
        = $true )
      | ( ( ~ ( well_ordering @ SV319 )
          | ( antisymmetric @ SV319 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2116]) ).

thf(2185,plain,
    ! [SV292: $i] :
      ( ( ( well_ordering @ SV292 )
        = $false )
      | ( ( connected @ SV292 )
        = $true )
      | ( ( relation @ SV292 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2117]) ).

thf(2186,plain,
    ! [SV124: $i,SV72: $i,SV300: $i,SV276: $i] :
      ( ( ( SV276 = SV300 )
        = $false )
      | ( ( ~ ( ordinal @ SV300 ) )
        = $true )
      | ( ( ~ ( in @ SV300 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2118]) ).

thf(2187,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ~ ~ ( ( SV301
                 != ( sK53_E @ SV301 @ SV124 @ SV72 ) )
                | ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) )
          | ~ ( in @ ( sK53_E @ SV301 @ SV124 @ SV72 ) @ SV72 ) )
        = $false )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2119]) ).

thf(2188,plain,
    ! [SV73: $i,SV253: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK17_C @ SV253 @ SV73 ) @ ( sK18_SY278 @ SV253 @ SV73 ) ) @ SV253 )
        = $false )
      | ( ( subset @ SV73 @ SV253 )
        = $true )
      | ( ( relation @ SV253 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2122]) ).

thf(2189,plain,
    ! [SV254: $i,SV73: $i,SV320: $i,SV310: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV310 @ SV320 ) @ SV73 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV310 @ SV320 ) @ SV254 )
        = $true )
      | ( ( subset @ SV73 @ SV254 )
        = $false )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2123]) ).

thf(2190,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
        = $false )
      | ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
        = $false )
      | ( ( ~ ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 ) )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2124]) ).

thf(2191,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
        = $true )
      | ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2125]) ).

thf(2192,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
        = $true )
      | ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 )
        = $true )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2126]) ).

thf(2193,plain,
    ! [SV234: $i,SV207: $i,SV74: $i,SV311: $i] :
      ( ( ( ~ ( in @ SV311 @ SV74 ) )
        = $true )
      | ( ( ~ ( in @ SV311 @ SV207 ) )
        = $true )
      | ( ( in @ SV311 @ SV234 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2127]) ).

thf(2194,plain,
    ! [SV207: $i,SV74: $i,SV234: $i] :
      ( ( ( ! [SY581: $i] :
              ( ~ ( in @ SY581 @ SV234 )
              | ( in @ SY581 @ SV74 ) ) )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2128]) ).

thf(2195,plain,
    ! [SV74: $i,SV207: $i,SV234: $i] :
      ( ( ( ! [SY582: $i] :
              ( ~ ( in @ SY582 @ SV234 )
              | ( in @ SY582 @ SV207 ) ) )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2129]) ).

thf(2196,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 )
        = $false )
      | ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
        = $true )
      | ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
        = $false )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2130]) ).

thf(2197,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV75 )
        = $true )
      | ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2131]) ).

thf(2198,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( ~ ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 ) )
        = $true )
      | ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2132]) ).

thf(2199,plain,
    ! [SV236: $i,SV211: $i,SV75: $i,SV312: $i] :
      ( ( ( ~ ( in @ SV312 @ SV75 ) )
        = $true )
      | ( ( in @ SV312 @ SV211 )
        = $true )
      | ( ( in @ SV312 @ SV236 )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2133]) ).

thf(2200,plain,
    ! [SV211: $i,SV75: $i,SV236: $i] :
      ( ( ( ! [SY584: $i] :
              ( ~ ( in @ SY584 @ SV236 )
              | ( in @ SY584 @ SV75 ) ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2134]) ).

thf(2201,plain,
    ! [SV75: $i,SV211: $i,SV236: $i] :
      ( ( ( ! [SY585: $i] :
              ( ~ ( in @ SY585 @ SV236 )
              | ~ ( in @ SY585 @ SV211 ) ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2135]) ).

thf(2202,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
        = $true )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2138]) ).

thf(2203,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
        = $true )
      | ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 )
        = $true )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2139]) ).

thf(2204,plain,
    ! [SV258: $i,SV76: $i] :
      ( ( ( ! [SY598: $i,SY599: $i] :
              ( ~ ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV76 )
              | ( in @ ( ordered_pair @ SY598 @ SY599 ) @ SV258 ) ) )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2140]) ).

thf(2205,plain,
    ! [SV76: $i,SV258: $i] :
      ( ( ( ! [SY600: $i,SY601: $i] :
              ( ~ ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV258 )
              | ( in @ ( ordered_pair @ SY600 @ SY601 ) @ SV76 ) ) )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2141]) ).

thf(2206,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 ) )
        = $true )
      | ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2142]) ).

thf(2207,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 ) )
        = $true )
      | ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2143]) ).

thf(2208,plain,
    ! [SV220: $i,SV79: $i,SV238: $i,SV313: $i] :
      ( ( ( in @ SV313 @ SV238 )
        = $false )
      | ( ( ( in @ SV313 @ SV79 )
          | ( in @ SV313 @ SV220 ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2144]) ).

thf(2209,plain,
    ! [SV220: $i,SV238: $i,SV79: $i] :
      ( ( ( ! [SY587: $i] :
              ( ~ ( in @ SY587 @ SV79 )
              | ( in @ SY587 @ SV238 ) ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2145]) ).

thf(2210,plain,
    ! [SV79: $i,SV238: $i,SV220: $i] :
      ( ( ( ! [SY588: $i] :
              ( ~ ( in @ SY588 @ SV220 )
              | ( in @ SY588 @ SV238 ) ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2146]) ).

thf(2211,plain,
    ! [SV179: $i,SV287: $i,SV294: $i] :
      ( ( ( in @ ( ordered_pair @ SV294 @ SV287 ) @ SV179 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV287 @ SV294 ) @ SV179 )
        = $false )
      | ( ( SV287 = SV294 )
        = $true )
      | ( ( antisymmetric @ SV179 )
        = $false )
      | ( ( relation @ SV179 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2149]) ).

thf(2212,plain,
    ! [SV120: $i,SV61: $i,SV307: $i] :
      ( ( ( ~ ( in @ SV307 @ SV61 ) )
        = $true )
      | ( ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SV307 )
        = $true )
      | ( ( ordinal @ SV307 )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2152]) ).

thf(2213,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 ) )
        = $true )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV225 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2153]) ).

thf(2214,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
               != SV62 ) )
          | ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
               != SV121 ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2154]) ).

thf(2215,plain,
    ! [SV121: $i,SV62: $i,SV226: $i,SV240: $i,SV314: $i] :
      ( ( ( in @ SV314 @ SV240 )
        = $false )
      | ( ( ( SV314 = SV226 )
          | ( SV314 = SV62 )
          | ( SV314 = SV121 ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2156]) ).

thf(2216,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i] :
      ( ( ( ! [SY590: $i] :
              ( ( SY590 != SV226 )
              | ( in @ SY590 @ SV240 ) ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2157]) ).

thf(2217,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i] :
      ( ( ( ~ ( ~ ! [SY591: $i] :
                    ( ( SY591 != SV62 )
                    | ( in @ SY591 @ SV240 ) )
              | ~ ! [SY592: $i] :
                    ( ( SY592 != SV121 )
                    | ( in @ SY592 @ SV240 ) ) ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2158]) ).

thf(2218,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 )
          | ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2159]) ).

thf(2219,plain,
    ! [SV142: $i] :
      ( ( ( in @ ( sK19_B @ SV142 ) @ ( sK20_SY279 @ SV142 ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2160]) ).

thf(2220,plain,
    ! [SV280: $i,SV145: $i,SV295: $i,SV288: $i] :
      ( ( ( in @ ( ordered_pair @ SV288 @ SV295 ) @ SV145 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV280 @ SV288 ) @ SV145 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV280 @ SV295 ) @ SV145 )
        = $true )
      | ( ( transitive @ SV145 )
        = $false )
      | ( ( relation @ SV145 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2162]) ).

thf(2221,plain,
    ! [SV65: $i,SV266: $i,SV315: $i] :
      ( ( ( subset @ SV315 @ SV266 )
        = $false )
      | ( ( in @ SV315 @ ( sK3_SY270 @ SV266 @ SV65 ) )
        = $true )
      | ( ( ~ ( in @ SV266 @ ( sK2_B @ SV65 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2163]) ).

thf(2222,plain,
    ! [SV308: $i,SV65: $i,SV296: $i] :
      ( ( ( in @ SV296 @ ( sK2_B @ SV65 ) )
        = $false )
      | ( ( ~ ( subset @ SV308 @ SV296 ) )
        = $true )
      | ( ( in @ SV308 @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2164]) ).

thf(2223,plain,
    ! [SV297: $i,SV155: $i,SV195: $i] :
      ( ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV195 )
        = $false )
      | ( ( in @ ( sK13_C @ SV195 @ SV155 ) @ SV297 )
        = $false )
      | ( ( in @ SV297 @ SV155 )
        = $false )
      | ( ( SV195
          = ( union @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2165]) ).

thf(2224,plain,
    ! [SV196: $i,SV156: $i,SV316: $i,SV298: $i] :
      ( ( ( in @ SV298 @ SV316 )
        = $false )
      | ( ( ~ ( in @ SV316 @ SV156 ) )
        = $true )
      | ( ( in @ SV298 @ SV196 )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2166]) ).

thf(2225,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( ~ ( in @ SV299 @ ( sK12_D @ SV299 @ SV196 @ SV156 ) ) )
        = $false )
      | ( ( in @ SV299 @ SV196 )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2167]) ).

thf(2226,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( ~ ( in @ ( sK12_D @ SV299 @ SV196 @ SV156 ) @ SV156 ) )
        = $false )
      | ( ( in @ SV299 @ SV196 )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2167]) ).

thf(2227,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK44_C @ SV123 @ SV68 )
           != ( sK45_SY295 @ SV123 @ SV68 ) )
          | ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                       != ( sK48_SY300 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2170]) ).

thf(2228,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2171]) ).

thf(2229,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK46_SY299 @ SV123 @ SV68 )
           != ( sK47_SY303 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2172]) ).

thf(2230,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2173]) ).

thf(2231,plain,
    ! [SV68: $i,SV123: $i,SV317: $i] :
      ( ( ( ! [SY618: $i] :
              ( ( SY618 != SV317 )
              | ~ ( in @ SY618 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY619: $i] :
              ( ( SV317 != SY619 )
              | ~ ( ordinal @ SY619 )
              | ~ ( in @ SY619 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2174]) ).

thf(2232,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
                     != SV318 )
                    | ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV318
                           != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2175]) ).

thf(2233,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
        = $false )
      | ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
           != SV70 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2176]) ).

thf(2234,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
        = $false )
      | ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
           != SV201 ) )
        = $true )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2177]) ).

thf(2235,plain,
    ! [SV231: $i,SV202: $i,SV70: $i,SV309: $i] :
      ( ( ( SV309 = SV70 )
        = $true )
      | ( ( SV309 = SV202 )
        = $true )
      | ( ( in @ SV309 @ SV231 )
        = $false )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2178]) ).

thf(2236,plain,
    ! [SV202: $i,SV231: $i,SV70: $i,SV321: $i] :
      ( ( ( ( SV321 != SV70 )
          | ( in @ SV321 @ SV231 ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2179]) ).

thf(2237,plain,
    ! [SV70: $i,SV231: $i,SV202: $i,SV322: $i] :
      ( ( ( ( SV322 != SV202 )
          | ( in @ SV322 @ SV231 ) )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2180]) ).

thf(2238,plain,
    ! [SV164: $i] :
      ( ( ( connected @ SV164 )
        = $false )
      | ( ( transitive @ SV164 )
        = $false )
      | ( ( reflexive @ SV164 )
        = $false )
      | ( ( antisymmetric @ SV164 )
        = $false )
      | ( ( ~ ( well_founded_relation @ SV164 ) )
        = $true )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2181]) ).

thf(2239,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( well_ordering @ SX0 )
          | ( reflexive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[2182]) ).

thf(2240,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( well_ordering @ SX0 )
          | ( transitive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[2183]) ).

thf(2241,plain,
    ! [SV319: $i] :
      ( ( ( relation @ SV319 )
        = $false )
      | ( ( ~ ( well_ordering @ SV319 )
          | ( antisymmetric @ SV319 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2184]) ).

thf(2242,plain,
    ! [SV124: $i,SV72: $i,SV276: $i,SV300: $i] :
      ( ( ( ordinal @ SV300 )
        = $false )
      | ( ( SV276 = SV300 )
        = $false )
      | ( ( ~ ( in @ SV300 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2186]) ).

thf(2243,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ~ ~ ( ( SV301
                 != ( sK53_E @ SV301 @ SV124 @ SV72 ) )
                | ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) ) )
        = $false )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2187]) ).

thf(2244,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ~ ( in @ ( sK53_E @ SV301 @ SV124 @ SV72 ) @ SV72 ) )
        = $false )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2187]) ).

thf(2245,plain,
    ! [SV254: $i,SV73: $i,SV320: $i,SV310: $i] :
      ( ( ( in @ ( ordered_pair @ SV310 @ SV320 ) @ SV73 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV310 @ SV320 ) @ SV254 )
        = $true )
      | ( ( subset @ SV73 @ SV254 )
        = $false )
      | ( ( relation @ SV254 )
        = $false )
      | ( ( relation @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2189]) ).

thf(2246,plain,
    ! [SV74: $i,SV206: $i,SV233: $i] :
      ( ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV233 )
        = $false )
      | ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV74 )
        = $false )
      | ( ( in @ ( sK15_D @ SV233 @ SV206 @ SV74 ) @ SV206 )
        = $false )
      | ( ( SV233
          = ( set_intersection2 @ SV74 @ SV206 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2190]) ).

thf(2247,plain,
    ! [SV234: $i,SV207: $i,SV74: $i,SV311: $i] :
      ( ( ( in @ SV311 @ SV74 )
        = $false )
      | ( ( ~ ( in @ SV311 @ SV207 ) )
        = $true )
      | ( ( in @ SV311 @ SV234 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2193]) ).

thf(2248,plain,
    ! [SV207: $i,SV74: $i,SV234: $i,SV323: $i] :
      ( ( ( ~ ( in @ SV323 @ SV234 )
          | ( in @ SV323 @ SV74 ) )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2194]) ).

thf(2249,plain,
    ! [SV74: $i,SV207: $i,SV234: $i,SV324: $i] :
      ( ( ( ~ ( in @ SV324 @ SV234 )
          | ( in @ SV324 @ SV207 ) )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2195]) ).

thf(2250,plain,
    ! [SV75: $i,SV210: $i,SV235: $i] :
      ( ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV210 )
        = $false )
      | ( ( in @ ( sK11_D @ SV235 @ SV210 @ SV75 ) @ SV235 )
        = $true )
      | ( ( SV235
          = ( set_difference @ SV75 @ SV210 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2198]) ).

thf(2251,plain,
    ! [SV236: $i,SV211: $i,SV75: $i,SV312: $i] :
      ( ( ( in @ SV312 @ SV75 )
        = $false )
      | ( ( in @ SV312 @ SV211 )
        = $true )
      | ( ( in @ SV312 @ SV236 )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2199]) ).

thf(2252,plain,
    ! [SV211: $i,SV75: $i,SV236: $i,SV325: $i] :
      ( ( ( ~ ( in @ SV325 @ SV236 )
          | ( in @ SV325 @ SV75 ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2200]) ).

thf(2253,plain,
    ! [SV75: $i,SV211: $i,SV236: $i,SV326: $i] :
      ( ( ( ~ ( in @ SV326 @ SV236 )
          | ~ ( in @ SV326 @ SV211 ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2201]) ).

thf(2254,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 ) )
        = $true )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2202]) ).

thf(2255,plain,
    ! [SV258: $i,SV76: $i,SV327: $i] :
      ( ( ( ! [SY620: $i] :
              ( ~ ( in @ ( ordered_pair @ SV327 @ SY620 ) @ SV76 )
              | ( in @ ( ordered_pair @ SV327 @ SY620 ) @ SV258 ) ) )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2204]) ).

thf(2256,plain,
    ! [SV76: $i,SV258: $i,SV328: $i] :
      ( ( ( ! [SY621: $i] :
              ( ~ ( in @ ( ordered_pair @ SV328 @ SY621 ) @ SV258 )
              | ( in @ ( ordered_pair @ SV328 @ SY621 ) @ SV76 ) ) )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2205]) ).

thf(2257,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
        = $false )
      | ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2206]) ).

thf(2258,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
        = $false )
      | ( ( ~ ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 ) )
        = $true )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2207]) ).

thf(2259,plain,
    ! [SV238: $i,SV220: $i,SV79: $i,SV313: $i] :
      ( ( ( in @ SV313 @ SV79 )
        = $true )
      | ( ( in @ SV313 @ SV220 )
        = $true )
      | ( ( in @ SV313 @ SV238 )
        = $false )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2208]) ).

thf(2260,plain,
    ! [SV220: $i,SV238: $i,SV79: $i,SV329: $i] :
      ( ( ( ~ ( in @ SV329 @ SV79 )
          | ( in @ SV329 @ SV238 ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2209]) ).

thf(2261,plain,
    ! [SV79: $i,SV238: $i,SV220: $i,SV330: $i] :
      ( ( ( ~ ( in @ SV330 @ SV220 )
          | ( in @ SV330 @ SV238 ) )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2210]) ).

thf(2262,plain,
    ! [SV120: $i,SV61: $i,SV307: $i] :
      ( ( ( in @ SV307 @ SV61 )
        = $false )
      | ( ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SV307 )
        = $true )
      | ( ( ordinal @ SV307 )
        = $false )
      | ( ( ( SV61 = empty_set )
          | ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2212]) ).

thf(2263,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $false )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV225 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2213]) ).

thf(2264,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
               != SV62 ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2214]) ).

thf(2265,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
              | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
               != SV121 ) ) )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2214]) ).

thf(2266,plain,
    ! [SV240: $i,SV121: $i,SV62: $i,SV226: $i,SV314: $i] :
      ( ( ( SV314 = SV226 )
        = $true )
      | ( ( ( SV314 = SV62 )
          | ( SV314 = SV121 ) )
        = $true )
      | ( ( in @ SV314 @ SV240 )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2215]) ).

thf(2267,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i,SV331: $i] :
      ( ( ( ( SV331 != SV226 )
          | ( in @ SV331 @ SV240 ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2216]) ).

thf(2268,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i] :
      ( ( ( ~ ! [SY591: $i] :
                ( ( SY591 != SV62 )
                | ( in @ SY591 @ SV240 ) )
          | ~ ! [SY592: $i] :
                ( ( SY592 != SV121 )
                | ( in @ SY592 @ SV240 ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2217]) ).

thf(2269,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( in @ ( sK19_B @ SV142 ) @ SV142 ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2218]) ).

thf(2270,plain,
    ! [SV142: $i] :
      ( ( ( ~ ( in @ ( sK20_SY279 @ SV142 ) @ SV142 ) )
        = $false )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2218]) ).

thf(2271,plain,
    ! [SV315: $i,SV65: $i,SV266: $i] :
      ( ( ( in @ SV266 @ ( sK2_B @ SV65 ) )
        = $false )
      | ( ( in @ SV315 @ ( sK3_SY270 @ SV266 @ SV65 ) )
        = $true )
      | ( ( subset @ SV315 @ SV266 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2221]) ).

thf(2272,plain,
    ! [SV65: $i,SV296: $i,SV308: $i] :
      ( ( ( subset @ SV308 @ SV296 )
        = $false )
      | ( ( in @ SV296 @ ( sK2_B @ SV65 ) )
        = $false )
      | ( ( in @ SV308 @ ( sK2_B @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2222]) ).

thf(2273,plain,
    ! [SV196: $i,SV298: $i,SV156: $i,SV316: $i] :
      ( ( ( in @ SV316 @ SV156 )
        = $false )
      | ( ( in @ SV298 @ SV316 )
        = $false )
      | ( ( in @ SV298 @ SV196 )
        = $true )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2224]) ).

thf(2274,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( in @ SV299 @ ( sK12_D @ SV299 @ SV196 @ SV156 ) )
        = $true )
      | ( ( in @ SV299 @ SV196 )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2225]) ).

thf(2275,plain,
    ! [SV156: $i,SV196: $i,SV299: $i] :
      ( ( ( in @ ( sK12_D @ SV299 @ SV196 @ SV156 ) @ SV156 )
        = $true )
      | ( ( in @ SV299 @ SV196 )
        = $false )
      | ( ( SV196
          = ( union @ SV156 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2226]) ).

thf(2276,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK44_C @ SV123 @ SV68 )
           != ( sK45_SY295 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2227]) ).

thf(2277,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                       != ( sK48_SY300 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2227]) ).

thf(2278,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2228]) ).

thf(2279,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2228]) ).

thf(2280,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK46_SY299 @ SV123 @ SV68 )
           != ( sK47_SY303 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2229]) ).

thf(2281,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2229]) ).

thf(2282,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2230]) ).

thf(2283,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2230]) ).

thf(2284,plain,
    ! [SV68: $i,SV123: $i,SV317: $i,SV332: $i] :
      ( ( ( ( SV332 != SV317 )
          | ~ ( in @ SV332 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY619: $i] :
              ( ( SV317 != SY619 )
              | ~ ( ordinal @ SY619 )
              | ~ ( in @ SY619 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2231]) ).

thf(2285,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
                 != SV318 )
                | ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV318
                       != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2232]) ).

thf(2286,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
          = SV70 )
        = $false )
      | ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2233]) ).

thf(2287,plain,
    ! [SV70: $i,SV201: $i,SV230: $i] :
      ( ( ( ( sK22_D @ SV230 @ SV201 @ SV70 )
          = SV201 )
        = $false )
      | ( ( in @ ( sK22_D @ SV230 @ SV201 @ SV70 ) @ SV230 )
        = $false )
      | ( ( SV230
          = ( unordered_pair @ SV70 @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2234]) ).

thf(2288,plain,
    ! [SV202: $i,SV231: $i,SV70: $i,SV321: $i] :
      ( ( ( ( SV321 != SV70 ) )
        = $true )
      | ( ( in @ SV321 @ SV231 )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2236]) ).

thf(2289,plain,
    ! [SV70: $i,SV231: $i,SV202: $i,SV322: $i] :
      ( ( ( ( SV322 != SV202 ) )
        = $true )
      | ( ( in @ SV322 @ SV231 )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2237]) ).

thf(2290,plain,
    ! [SV164: $i] :
      ( ( ( well_founded_relation @ SV164 )
        = $false )
      | ( ( antisymmetric @ SV164 )
        = $false )
      | ( ( reflexive @ SV164 )
        = $false )
      | ( ( transitive @ SV164 )
        = $false )
      | ( ( connected @ SV164 )
        = $false )
      | ( ( well_ordering @ SV164 )
        = $true )
      | ( ( relation @ SV164 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2238]) ).

thf(2291,plain,
    ! [SV333: $i] :
      ( ( ~ ( relation @ SV333 )
        | ~ ( well_ordering @ SV333 )
        | ( reflexive @ SV333 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2239]) ).

thf(2292,plain,
    ! [SV334: $i] :
      ( ( ~ ( relation @ SV334 )
        | ~ ( well_ordering @ SV334 )
        | ( transitive @ SV334 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[2240]) ).

thf(2293,plain,
    ! [SV319: $i] :
      ( ( ( ~ ( well_ordering @ SV319 ) )
        = $true )
      | ( ( antisymmetric @ SV319 )
        = $true )
      | ( ( relation @ SV319 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2241]) ).

thf(2294,plain,
    ! [SV124: $i,SV276: $i,SV72: $i,SV300: $i] :
      ( ( ( in @ SV300 @ SV72 )
        = $false )
      | ( ( SV276 = SV300 )
        = $false )
      | ( ( ordinal @ SV300 )
        = $false )
      | ( ( ~ ( in @ SV276 @ ( succ @ SV124 ) ) )
        = $true )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2242]) ).

thf(2295,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ~ ( ( SV301
               != ( sK53_E @ SV301 @ SV124 @ SV72 ) )
              | ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) ) )
        = $true )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2243]) ).

thf(2296,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( in @ ( sK53_E @ SV301 @ SV124 @ SV72 ) @ SV72 )
        = $true )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2244]) ).

thf(2297,plain,
    ! [SV234: $i,SV74: $i,SV207: $i,SV311: $i] :
      ( ( ( in @ SV311 @ SV207 )
        = $false )
      | ( ( in @ SV311 @ SV74 )
        = $false )
      | ( ( in @ SV311 @ SV234 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2247]) ).

thf(2298,plain,
    ! [SV207: $i,SV74: $i,SV234: $i,SV323: $i] :
      ( ( ( ~ ( in @ SV323 @ SV234 ) )
        = $true )
      | ( ( in @ SV323 @ SV74 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2248]) ).

thf(2299,plain,
    ! [SV74: $i,SV207: $i,SV234: $i,SV324: $i] :
      ( ( ( ~ ( in @ SV324 @ SV234 ) )
        = $true )
      | ( ( in @ SV324 @ SV207 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2249]) ).

thf(2300,plain,
    ! [SV211: $i,SV75: $i,SV236: $i,SV325: $i] :
      ( ( ( ~ ( in @ SV325 @ SV236 ) )
        = $true )
      | ( ( in @ SV325 @ SV75 )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2252]) ).

thf(2301,plain,
    ! [SV75: $i,SV211: $i,SV236: $i,SV326: $i] :
      ( ( ( ~ ( in @ SV326 @ SV236 ) )
        = $true )
      | ( ( ~ ( in @ SV326 @ SV211 ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2253]) ).

thf(2302,plain,
    ! [SV76: $i,SV257: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV257 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK23_C @ SV257 @ SV76 ) @ ( sK24_SY280 @ SV257 @ SV76 ) ) @ SV76 )
        = $false )
      | ( ( SV76 = SV257 )
        = $true )
      | ( ( relation @ SV257 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2254]) ).

thf(2303,plain,
    ! [SV258: $i,SV76: $i,SV335: $i,SV327: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV327 @ SV335 ) @ SV76 )
          | ( in @ ( ordered_pair @ SV327 @ SV335 ) @ SV258 ) )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2255]) ).

thf(2304,plain,
    ! [SV76: $i,SV258: $i,SV336: $i,SV328: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV328 @ SV336 ) @ SV258 )
          | ( in @ ( ordered_pair @ SV328 @ SV336 ) @ SV76 ) )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2256]) ).

thf(2305,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV79 )
        = $false )
      | ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2257]) ).

thf(2306,plain,
    ! [SV79: $i,SV219: $i,SV237: $i] :
      ( ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV219 )
        = $false )
      | ( ( in @ ( sK21_D @ SV237 @ SV219 @ SV79 ) @ SV237 )
        = $false )
      | ( ( SV237
          = ( set_union2 @ SV79 @ SV219 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2258]) ).

thf(2307,plain,
    ! [SV220: $i,SV238: $i,SV79: $i,SV329: $i] :
      ( ( ( ~ ( in @ SV329 @ SV79 ) )
        = $true )
      | ( ( in @ SV329 @ SV238 )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2260]) ).

thf(2308,plain,
    ! [SV79: $i,SV238: $i,SV220: $i,SV330: $i] :
      ( ( ( ~ ( in @ SV330 @ SV220 ) )
        = $true )
      | ( ( in @ SV330 @ SV238 )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2261]) ).

thf(2309,plain,
    ! [SV307: $i,SV120: $i,SV61: $i] :
      ( ( ( SV61 = empty_set )
        = $true )
      | ( ( ~ ( subset @ SV61 @ SV120 ) )
        = $true )
      | ( ( ordinal @ SV307 )
        = $false )
      | ( ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SV307 )
        = $true )
      | ( ( in @ SV307 @ SV61 )
        = $false )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2262]) ).

thf(2310,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
          = SV225 )
        = $false )
      | ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2263]) ).

thf(2311,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV62 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2264]) ).

thf(2312,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
          | ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV121 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2265]) ).

thf(2313,plain,
    ! [SV240: $i,SV226: $i,SV121: $i,SV62: $i,SV314: $i] :
      ( ( ( SV314 = SV62 )
        = $true )
      | ( ( SV314 = SV121 )
        = $true )
      | ( ( SV314 = SV226 )
        = $true )
      | ( ( in @ SV314 @ SV240 )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2266]) ).

thf(2314,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i,SV331: $i] :
      ( ( ( ( SV331 != SV226 ) )
        = $true )
      | ( ( in @ SV331 @ SV240 )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2267]) ).

thf(2315,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i] :
      ( ( ( ~ ! [SY591: $i] :
                ( ( SY591 != SV62 )
                | ( in @ SY591 @ SV240 ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2268]) ).

thf(2316,plain,
    ! [SV226: $i,SV62: $i,SV240: $i,SV121: $i] :
      ( ( ( ~ ! [SY592: $i] :
                ( ( SY592 != SV121 )
                | ( in @ SY592 @ SV240 ) ) )
        = $false )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2268]) ).

thf(2317,plain,
    ! [SV142: $i] :
      ( ( ( in @ ( sK19_B @ SV142 ) @ SV142 )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2269]) ).

thf(2318,plain,
    ! [SV142: $i] :
      ( ( ( in @ ( sK20_SY279 @ SV142 ) @ SV142 )
        = $true )
      | ( ( epsilon_connected @ SV142 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2270]) ).

thf(2319,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2276]) ).

thf(2320,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                     != ( sK48_SY300 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2277]) ).

thf(2321,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2278]) ).

thf(2322,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2279]) ).

thf(2323,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2280]) ).

thf(2324,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2281]) ).

thf(2325,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2282]) ).

thf(2326,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2283]) ).

thf(2327,plain,
    ! [SV68: $i,SV123: $i,SV317: $i,SV332: $i] :
      ( ( ( ( SV332 != SV317 ) )
        = $true )
      | ( ( ~ ( in @ SV332 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY619: $i] :
              ( ( SV317 != SY619 )
              | ~ ( ordinal @ SY619 )
              | ~ ( in @ SY619 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2284]) ).

thf(2328,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
                 != SV318 )
                | ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2285]) ).

thf(2329,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV318
                       != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2285]) ).

thf(2330,plain,
    ! [SV202: $i,SV231: $i,SV70: $i,SV321: $i] :
      ( ( ( SV321 = SV70 )
        = $false )
      | ( ( in @ SV321 @ SV231 )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2288]) ).

thf(2331,plain,
    ! [SV70: $i,SV231: $i,SV202: $i,SV322: $i] :
      ( ( ( SV322 = SV202 )
        = $false )
      | ( ( in @ SV322 @ SV231 )
        = $true )
      | ( ( SV231
          = ( unordered_pair @ SV70 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2289]) ).

thf(2332,plain,
    ! [SV333: $i] :
      ( ( ( ~ ( relation @ SV333 ) )
        = $true )
      | ( ( ~ ( well_ordering @ SV333 )
          | ( reflexive @ SV333 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2291]) ).

thf(2333,plain,
    ! [SV334: $i] :
      ( ( ( ~ ( relation @ SV334 ) )
        = $true )
      | ( ( ~ ( well_ordering @ SV334 )
          | ( transitive @ SV334 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2292]) ).

thf(2334,plain,
    ! [SV319: $i] :
      ( ( ( well_ordering @ SV319 )
        = $false )
      | ( ( antisymmetric @ SV319 )
        = $true )
      | ( ( relation @ SV319 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2293]) ).

thf(2335,plain,
    ! [SV72: $i,SV300: $i,SV124: $i,SV276: $i] :
      ( ( ( in @ SV276 @ ( succ @ SV124 ) )
        = $false )
      | ( ( ordinal @ SV300 )
        = $false )
      | ( ( SV276 = SV300 )
        = $false )
      | ( ( in @ SV300 @ SV72 )
        = $false )
      | ( ( in @ SV276 @ ( sK52_C @ SV124 @ SV72 ) )
        = $true )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2294]) ).

thf(2336,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ( SV301
           != ( sK53_E @ SV301 @ SV124 @ SV72 ) )
          | ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) )
        = $false )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2295]) ).

thf(2337,plain,
    ! [SV207: $i,SV74: $i,SV234: $i,SV323: $i] :
      ( ( ( in @ SV323 @ SV234 )
        = $false )
      | ( ( in @ SV323 @ SV74 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2298]) ).

thf(2338,plain,
    ! [SV74: $i,SV207: $i,SV234: $i,SV324: $i] :
      ( ( ( in @ SV324 @ SV234 )
        = $false )
      | ( ( in @ SV324 @ SV207 )
        = $true )
      | ( ( SV234
          = ( set_intersection2 @ SV74 @ SV207 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2299]) ).

thf(2339,plain,
    ! [SV211: $i,SV75: $i,SV236: $i,SV325: $i] :
      ( ( ( in @ SV325 @ SV236 )
        = $false )
      | ( ( in @ SV325 @ SV75 )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2300]) ).

thf(2340,plain,
    ! [SV75: $i,SV211: $i,SV236: $i,SV326: $i] :
      ( ( ( in @ SV326 @ SV236 )
        = $false )
      | ( ( ~ ( in @ SV326 @ SV211 ) )
        = $true )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2301]) ).

thf(2341,plain,
    ! [SV258: $i,SV76: $i,SV335: $i,SV327: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV327 @ SV335 ) @ SV76 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV327 @ SV335 ) @ SV258 )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2303]) ).

thf(2342,plain,
    ! [SV76: $i,SV258: $i,SV336: $i,SV328: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV328 @ SV336 ) @ SV258 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV328 @ SV336 ) @ SV76 )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2304]) ).

thf(2343,plain,
    ! [SV220: $i,SV238: $i,SV79: $i,SV329: $i] :
      ( ( ( in @ SV329 @ SV79 )
        = $false )
      | ( ( in @ SV329 @ SV238 )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2307]) ).

thf(2344,plain,
    ! [SV79: $i,SV238: $i,SV220: $i,SV330: $i] :
      ( ( ( in @ SV330 @ SV220 )
        = $false )
      | ( ( in @ SV330 @ SV238 )
        = $true )
      | ( ( SV238
          = ( set_union2 @ SV79 @ SV220 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2308]) ).

thf(2345,plain,
    ! [SV307: $i,SV120: $i,SV61: $i] :
      ( ( ( subset @ SV61 @ SV120 )
        = $false )
      | ( ( SV61 = empty_set )
        = $true )
      | ( ( ordinal @ SV307 )
        = $false )
      | ( ( ordinal_subset @ ( sK35_C @ SV120 @ SV61 ) @ SV307 )
        = $true )
      | ( ( in @ SV307 @ SV61 )
        = $false )
      | ( ( ordinal @ SV120 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2309]) ).

thf(2346,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 ) )
        = $true )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV62 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2311]) ).

thf(2347,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ~ ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 ) )
        = $true )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV121 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2312]) ).

thf(2348,plain,
    ! [SV121: $i,SV62: $i,SV240: $i,SV226: $i,SV331: $i] :
      ( ( ( SV331 = SV226 )
        = $false )
      | ( ( in @ SV331 @ SV240 )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2314]) ).

thf(2349,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i] :
      ( ( ( ! [SY591: $i] :
              ( ( SY591 != SV62 )
              | ( in @ SY591 @ SV240 ) ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2315]) ).

thf(2350,plain,
    ! [SV226: $i,SV62: $i,SV240: $i,SV121: $i] :
      ( ( ( ! [SY592: $i] :
              ( ( SY592 != SV121 )
              | ( in @ SY592 @ SV240 ) ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2316]) ).

thf(2351,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2319]) ).

thf(2352,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                 != ( sK48_SY300 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2320]) ).

thf(2353,plain,
    ! [SV68: $i,SV123: $i,SV337: $i] :
      ( ( ( ! [SY622: $i] :
              ( ( SY622 != SV337 )
              | ~ ( in @ SY622 @ ( succ @ SV123 ) ) )
          | ! [SY623: $i] :
              ( ( SV337 != SY623 )
              | ~ ( ordinal @ SY623 )
              | ~ ( in @ SY623 @ SV68 ) )
          | ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2321]) ).

thf(2354,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
                     != SV338 )
                    | ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV338
                           != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2322]) ).

thf(2355,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2323]) ).

thf(2356,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2324]) ).

thf(2357,plain,
    ! [SV68: $i,SV123: $i,SV339: $i] :
      ( ( ( ! [SY624: $i] :
              ( ( SY624 != SV339 )
              | ~ ( in @ SY624 @ ( succ @ SV123 ) ) )
          | ! [SY625: $i] :
              ( ( SV339 != SY625 )
              | ~ ( ordinal @ SY625 )
              | ~ ( in @ SY625 @ SV68 ) )
          | ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2325]) ).

thf(2358,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
                     != SV340 )
                    | ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV340
                           != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2326]) ).

thf(2359,plain,
    ! [SV68: $i,SV123: $i,SV317: $i,SV332: $i] :
      ( ( ( SV332 = SV317 )
        = $false )
      | ( ( ~ ( in @ SV332 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY619: $i] :
              ( ( SV317 != SY619 )
              | ~ ( ordinal @ SY619 )
              | ~ ( in @ SY619 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2327]) ).

thf(2360,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
               != SV318 )
              | ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2328]) ).

thf(2361,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV318
                     != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2329]) ).

thf(2362,plain,
    ! [SV333: $i] :
      ( ( ( relation @ SV333 )
        = $false )
      | ( ( ~ ( well_ordering @ SV333 )
          | ( reflexive @ SV333 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2332]) ).

thf(2363,plain,
    ! [SV334: $i] :
      ( ( ( relation @ SV334 )
        = $false )
      | ( ( ~ ( well_ordering @ SV334 )
          | ( transitive @ SV334 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2333]) ).

thf(2364,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ( SV301
           != ( sK53_E @ SV301 @ SV124 @ SV72 ) ) )
        = $false )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2336]) ).

thf(2365,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ~ ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) ) )
        = $false )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2336]) ).

thf(2366,plain,
    ! [SV75: $i,SV236: $i,SV211: $i,SV326: $i] :
      ( ( ( in @ SV326 @ SV211 )
        = $false )
      | ( ( in @ SV326 @ SV236 )
        = $false )
      | ( ( SV236
          = ( set_difference @ SV75 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2340]) ).

thf(2367,plain,
    ! [SV258: $i,SV76: $i,SV335: $i,SV327: $i] :
      ( ( ( in @ ( ordered_pair @ SV327 @ SV335 ) @ SV76 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV327 @ SV335 ) @ SV258 )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2341]) ).

thf(2368,plain,
    ! [SV76: $i,SV258: $i,SV336: $i,SV328: $i] :
      ( ( ( in @ ( ordered_pair @ SV328 @ SV336 ) @ SV258 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV328 @ SV336 ) @ SV76 )
        = $true )
      | ( ( SV76 = SV258 )
        = $false )
      | ( ( relation @ SV258 )
        = $false )
      | ( ( relation @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2342]) ).

thf(2369,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $false )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV62 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2346]) ).

thf(2370,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $false )
      | ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
           != SV121 ) )
        = $true )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2347]) ).

thf(2371,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i,SV341: $i] :
      ( ( ( ( SV341 != SV62 )
          | ( in @ SV341 @ SV240 ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2349]) ).

thf(2372,plain,
    ! [SV226: $i,SV62: $i,SV240: $i,SV121: $i,SV342: $i] :
      ( ( ( ( SV342 != SV121 )
          | ( in @ SV342 @ SV240 ) )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2350]) ).

thf(2373,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2351]) ).

thf(2374,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2351]) ).

thf(2375,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
                 != ( sK48_SY300 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2352]) ).

thf(2376,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2352]) ).

thf(2377,plain,
    ! [SV68: $i,SV123: $i,SV337: $i] :
      ( ( ( ! [SY622: $i] :
              ( ( SY622 != SV337 )
              | ~ ( in @ SY622 @ ( succ @ SV123 ) ) )
          | ! [SY623: $i] :
              ( ( SV337 != SY623 )
              | ~ ( ordinal @ SY623 )
              | ~ ( in @ SY623 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2353]) ).

thf(2378,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
                     != SV338 )
                    | ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV338
                           != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2354]) ).

thf(2379,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2355]) ).

thf(2380,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2355]) ).

thf(2381,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2356]) ).

thf(2382,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2356]) ).

thf(2383,plain,
    ! [SV68: $i,SV123: $i,SV339: $i] :
      ( ( ( ! [SY624: $i] :
              ( ( SY624 != SV339 )
              | ~ ( in @ SY624 @ ( succ @ SV123 ) ) )
          | ! [SY625: $i] :
              ( ( SV339 != SY625 )
              | ~ ( ordinal @ SY625 )
              | ~ ( in @ SY625 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2357]) ).

thf(2384,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
                     != SV340 )
                    | ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV340
                           != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2358]) ).

thf(2385,plain,
    ! [SV68: $i,SV317: $i,SV123: $i,SV332: $i] :
      ( ( ( in @ SV332 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV332 = SV317 )
        = $false )
      | ( ( ! [SY619: $i] :
              ( ( SV317 != SY619 )
              | ~ ( ordinal @ SY619 )
              | ~ ( in @ SY619 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2359]) ).

thf(2386,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
           != SV318 )
          | ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2360]) ).

thf(2387,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ~ ( ( SV318
                 != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2361]) ).

thf(2388,plain,
    ! [SV333: $i] :
      ( ( ( ~ ( well_ordering @ SV333 ) )
        = $true )
      | ( ( reflexive @ SV333 )
        = $true )
      | ( ( relation @ SV333 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2362]) ).

thf(2389,plain,
    ! [SV334: $i] :
      ( ( ( ~ ( well_ordering @ SV334 ) )
        = $true )
      | ( ( transitive @ SV334 )
        = $true )
      | ( ( relation @ SV334 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2363]) ).

thf(2390,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( SV301
          = ( sK53_E @ SV301 @ SV124 @ SV72 ) )
        = $true )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2364]) ).

thf(2391,plain,
    ! [SV72: $i,SV124: $i,SV301: $i] :
      ( ( ( ordinal @ ( sK53_E @ SV301 @ SV124 @ SV72 ) )
        = $true )
      | ( ( in @ SV301 @ ( sK52_C @ SV124 @ SV72 ) )
        = $false )
      | ( ( ordinal @ SV124 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2365]) ).

thf(2392,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
          = SV62 )
        = $false )
      | ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2369]) ).

thf(2393,plain,
    ! [SV62: $i,SV121: $i,SV225: $i,SV239: $i] :
      ( ( ( ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 )
          = SV121 )
        = $false )
      | ( ( in @ ( sK32_E @ SV239 @ SV225 @ SV121 @ SV62 ) @ SV239 )
        = $false )
      | ( ( SV239
          = ( unordered_triple @ SV62 @ SV121 @ SV225 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2370]) ).

thf(2394,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i,SV341: $i] :
      ( ( ( ( SV341 != SV62 ) )
        = $true )
      | ( ( in @ SV341 @ SV240 )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2371]) ).

thf(2395,plain,
    ! [SV226: $i,SV62: $i,SV240: $i,SV121: $i,SV342: $i] :
      ( ( ( ( SV342 != SV121 ) )
        = $true )
      | ( ( in @ SV342 @ SV240 )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2372]) ).

thf(2396,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2373]) ).

thf(2397,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2374]) ).

thf(2398,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ( ( sK45_SY295 @ SV123 @ SV68 )
               != ( sK48_SY300 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2375]) ).

thf(2399,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2376]) ).

thf(2400,plain,
    ! [SV68: $i,SV123: $i,SV337: $i] :
      ( ( ( ! [SY622: $i] :
              ( ( SY622 != SV337 )
              | ~ ( in @ SY622 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY623: $i] :
              ( ( SV337 != SY623 )
              | ~ ( ordinal @ SY623 )
              | ~ ( in @ SY623 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2377]) ).

thf(2401,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
                     != SV338 )
                    | ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV338
                           != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2378]) ).

thf(2402,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2379]) ).

thf(2403,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2380]) ).

thf(2404,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2381]) ).

thf(2405,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2382]) ).

thf(2406,plain,
    ! [SV68: $i,SV123: $i,SV339: $i] :
      ( ( ( ! [SY624: $i] :
              ( ( SY624 != SV339 )
              | ~ ( in @ SY624 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY625: $i] :
              ( ( SV339 != SY625 )
              | ~ ( ordinal @ SY625 )
              | ~ ( in @ SY625 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2383]) ).

thf(2407,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
                     != SV340 )
                    | ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV340
                           != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2384]) ).

thf(2408,plain,
    ! [SV123: $i,SV332: $i,SV68: $i,SV343: $i,SV317: $i] :
      ( ( ( ( SV317 != SV343 )
          | ~ ( ordinal @ SV343 )
          | ~ ( in @ SV343 @ SV68 ) )
        = $true )
      | ( ( SV332 = SV317 )
        = $false )
      | ( ( in @ SV332 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2385]) ).

thf(2409,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
           != SV318 ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2386]) ).

thf(2410,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2386]) ).

thf(2411,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ~ ( ( SV318
                 != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2387]) ).

thf(2412,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2387]) ).

thf(2413,plain,
    ! [SV333: $i] :
      ( ( ( well_ordering @ SV333 )
        = $false )
      | ( ( reflexive @ SV333 )
        = $true )
      | ( ( relation @ SV333 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2388]) ).

thf(2414,plain,
    ! [SV334: $i] :
      ( ( ( well_ordering @ SV334 )
        = $false )
      | ( ( transitive @ SV334 )
        = $true )
      | ( ( relation @ SV334 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2389]) ).

thf(2415,plain,
    ! [SV226: $i,SV121: $i,SV240: $i,SV62: $i,SV341: $i] :
      ( ( ( SV341 = SV62 )
        = $false )
      | ( ( in @ SV341 @ SV240 )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2394]) ).

thf(2416,plain,
    ! [SV226: $i,SV62: $i,SV240: $i,SV121: $i,SV342: $i] :
      ( ( ( SV342 = SV121 )
        = $false )
      | ( ( in @ SV342 @ SV240 )
        = $true )
      | ( ( SV240
          = ( unordered_triple @ SV62 @ SV121 @ SV226 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2395]) ).

thf(2417,plain,
    ! [SV68: $i,SV123: $i,SV344: $i] :
      ( ( ( ! [SY626: $i] :
              ( ( SY626 != SV344 )
              | ~ ( in @ SY626 @ ( succ @ SV123 ) ) )
          | ! [SY627: $i] :
              ( ( SV344 != SY627 )
              | ~ ( ordinal @ SY627 )
              | ~ ( in @ SY627 @ SV68 ) )
          | ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2396]) ).

thf(2418,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
                     != SV345 )
                    | ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV345
                           != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2397]) ).

thf(2419,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK45_SY295 @ SV123 @ SV68 )
           != ( sK48_SY300 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2398]) ).

thf(2420,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2399]) ).

thf(2421,plain,
    ! [SV68: $i,SV123: $i,SV337: $i,SV346: $i] :
      ( ( ( ( SV346 != SV337 )
          | ~ ( in @ SV346 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY623: $i] :
              ( ( SV337 != SY623 )
              | ~ ( ordinal @ SY623 )
              | ~ ( in @ SY623 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2400]) ).

thf(2422,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
                 != SV338 )
                | ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV338
                       != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2401]) ).

thf(2423,plain,
    ! [SV68: $i,SV123: $i,SV347: $i] :
      ( ( ( ! [SY628: $i] :
              ( ( SY628 != SV347 )
              | ~ ( in @ SY628 @ ( succ @ SV123 ) ) )
          | ! [SY629: $i] :
              ( ( SV347 != SY629 )
              | ~ ( ordinal @ SY629 )
              | ~ ( in @ SY629 @ SV68 ) )
          | ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2402]) ).

thf(2424,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
                     != SV348 )
                    | ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV348
                           != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2403]) ).

thf(2425,plain,
    ! [SV68: $i,SV123: $i,SV349: $i] :
      ( ( ( ! [SY630: $i] :
              ( ( SY630 != SV349 )
              | ~ ( in @ SY630 @ ( succ @ SV123 ) ) )
          | ! [SY631: $i] :
              ( ( SV349 != SY631 )
              | ~ ( ordinal @ SY631 )
              | ~ ( in @ SY631 @ SV68 ) )
          | ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2404]) ).

thf(2426,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
                     != SV350 )
                    | ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV350
                           != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2405]) ).

thf(2427,plain,
    ! [SV68: $i,SV123: $i,SV339: $i,SV351: $i] :
      ( ( ( ( SV351 != SV339 )
          | ~ ( in @ SV351 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY625: $i] :
              ( ( SV339 != SY625 )
              | ~ ( ordinal @ SY625 )
              | ~ ( in @ SY625 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2406]) ).

thf(2428,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
                 != SV340 )
                | ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV340
                       != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2407]) ).

thf(2429,plain,
    ! [SV123: $i,SV332: $i,SV68: $i,SV343: $i,SV317: $i] :
      ( ( ( ( SV317 != SV343 )
          | ~ ( ordinal @ SV343 ) )
        = $true )
      | ( ( ~ ( in @ SV343 @ SV68 ) )
        = $true )
      | ( ( SV332 = SV317 )
        = $false )
      | ( ( in @ SV332 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2408]) ).

thf(2430,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ( sK43_E @ SV318 @ SV123 @ SV68 )
          = SV318 )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2409]) ).

thf(2431,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( in @ ( sK43_E @ SV318 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2410]) ).

thf(2432,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( ( SV318
               != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2411]) ).

thf(2433,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( in @ ( sK42_H @ SV318 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2412]) ).

thf(2434,plain,
    ! [SV68: $i,SV123: $i,SV344: $i] :
      ( ( ( ! [SY626: $i] :
              ( ( SY626 != SV344 )
              | ~ ( in @ SY626 @ ( succ @ SV123 ) ) )
          | ! [SY627: $i] :
              ( ( SV344 != SY627 )
              | ~ ( ordinal @ SY627 )
              | ~ ( in @ SY627 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2417]) ).

thf(2435,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
                     != SV345 )
                    | ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV345
                           != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2418]) ).

thf(2436,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( ( sK45_SY295 @ SV123 @ SV68 )
           != ( sK48_SY300 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2419]) ).

thf(2437,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2419]) ).

thf(2438,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2420]) ).

thf(2439,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2420]) ).

thf(2440,plain,
    ! [SV68: $i,SV123: $i,SV337: $i,SV346: $i] :
      ( ( ( ( SV346 != SV337 ) )
        = $true )
      | ( ( ~ ( in @ SV346 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY623: $i] :
              ( ( SV337 != SY623 )
              | ~ ( ordinal @ SY623 )
              | ~ ( in @ SY623 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2421]) ).

thf(2441,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
                 != SV338 )
                | ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2422]) ).

thf(2442,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV338
                       != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2422]) ).

thf(2443,plain,
    ! [SV68: $i,SV123: $i,SV347: $i] :
      ( ( ( ! [SY628: $i] :
              ( ( SY628 != SV347 )
              | ~ ( in @ SY628 @ ( succ @ SV123 ) ) )
          | ! [SY629: $i] :
              ( ( SV347 != SY629 )
              | ~ ( ordinal @ SY629 )
              | ~ ( in @ SY629 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2423]) ).

thf(2444,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
                     != SV348 )
                    | ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV348
                           != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2424]) ).

thf(2445,plain,
    ! [SV68: $i,SV123: $i,SV349: $i] :
      ( ( ( ! [SY630: $i] :
              ( ( SY630 != SV349 )
              | ~ ( in @ SY630 @ ( succ @ SV123 ) ) )
          | ! [SY631: $i] :
              ( ( SV349 != SY631 )
              | ~ ( ordinal @ SY631 )
              | ~ ( in @ SY631 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2425]) ).

thf(2446,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
                     != SV350 )
                    | ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV350
                           != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2426]) ).

thf(2447,plain,
    ! [SV68: $i,SV123: $i,SV339: $i,SV351: $i] :
      ( ( ( ( SV351 != SV339 ) )
        = $true )
      | ( ( ~ ( in @ SV351 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY625: $i] :
              ( ( SV339 != SY625 )
              | ~ ( ordinal @ SY625 )
              | ~ ( in @ SY625 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2427]) ).

thf(2448,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
                 != SV340 )
                | ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2428]) ).

thf(2449,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV340
                       != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2428]) ).

thf(2450,plain,
    ! [SV123: $i,SV332: $i,SV68: $i,SV343: $i,SV317: $i] :
      ( ( ( ( SV317 != SV343 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV343 ) )
        = $true )
      | ( ( ~ ( in @ SV343 @ SV68 ) )
        = $true )
      | ( ( SV332 = SV317 )
        = $false )
      | ( ( in @ SV332 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2429]) ).

thf(2451,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ( SV318
           != ( sK42_H @ SV318 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2432]) ).

thf(2452,plain,
    ! [SV68: $i,SV123: $i,SV344: $i] :
      ( ( ( ! [SY626: $i] :
              ( ( SY626 != SV344 )
              | ~ ( in @ SY626 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY627: $i] :
              ( ( SV344 != SY627 )
              | ~ ( ordinal @ SY627 )
              | ~ ( in @ SY627 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2434]) ).

thf(2453,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
                     != SV345 )
                    | ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV345
                           != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2435]) ).

thf(2454,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2436]) ).

thf(2455,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY481: $i] :
                    ( ! [SY482: $i] :
                        ( ( SY482 != SY481 )
                        | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                    | ! [SY400: $i] :
                        ( ( SY481 != SY400 )
                        | ~ ( ordinal @ SY400 )
                        | ~ ( in @ SY400 @ SV68 ) )
                    | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
              | ~ ! [SY484: $i] :
                    ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                    | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                               != SY484 )
                              | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                        | ~ ~ ( ~ ~ ( ( SY484
                                     != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                    | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                              | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2437]) ).

thf(2456,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2438]) ).

thf(2457,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2439]) ).

thf(2458,plain,
    ! [SV68: $i,SV123: $i,SV337: $i,SV346: $i] :
      ( ( ( SV346 = SV337 )
        = $false )
      | ( ( ~ ( in @ SV346 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY623: $i] :
              ( ( SV337 != SY623 )
              | ~ ( ordinal @ SY623 )
              | ~ ( in @ SY623 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2440]) ).

thf(2459,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
               != SV338 )
              | ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2441]) ).

thf(2460,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV338
                     != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2442]) ).

thf(2461,plain,
    ! [SV68: $i,SV123: $i,SV347: $i] :
      ( ( ( ! [SY628: $i] :
              ( ( SY628 != SV347 )
              | ~ ( in @ SY628 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY629: $i] :
              ( ( SV347 != SY629 )
              | ~ ( ordinal @ SY629 )
              | ~ ( in @ SY629 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2443]) ).

thf(2462,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
                     != SV348 )
                    | ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV348
                           != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2444]) ).

thf(2463,plain,
    ! [SV68: $i,SV123: $i,SV349: $i] :
      ( ( ( ! [SY630: $i] :
              ( ( SY630 != SV349 )
              | ~ ( in @ SY630 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY631: $i] :
              ( ( SV349 != SY631 )
              | ~ ( ordinal @ SY631 )
              | ~ ( in @ SY631 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2445]) ).

thf(2464,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
                     != SV350 )
                    | ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV350
                           != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2446]) ).

thf(2465,plain,
    ! [SV68: $i,SV123: $i,SV339: $i,SV351: $i] :
      ( ( ( SV351 = SV339 )
        = $false )
      | ( ( ~ ( in @ SV351 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY625: $i] :
              ( ( SV339 != SY625 )
              | ~ ( ordinal @ SY625 )
              | ~ ( in @ SY625 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2447]) ).

thf(2466,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
               != SV340 )
              | ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2448]) ).

thf(2467,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV340
                     != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2449]) ).

thf(2468,plain,
    ! [SV123: $i,SV332: $i,SV68: $i,SV343: $i,SV317: $i] :
      ( ( ( SV317 = SV343 )
        = $false )
      | ( ( ~ ( ordinal @ SV343 ) )
        = $true )
      | ( ( ~ ( in @ SV343 @ SV68 ) )
        = $true )
      | ( ( SV332 = SV317 )
        = $false )
      | ( ( in @ SV332 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2450]) ).

thf(2469,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ( SV318
           != ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2451]) ).

thf(2470,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2451]) ).

thf(2471,plain,
    ! [SV68: $i,SV123: $i,SV344: $i,SV352: $i] :
      ( ( ( ( SV352 != SV344 )
          | ~ ( in @ SV352 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY627: $i] :
              ( ( SV344 != SY627 )
              | ~ ( ordinal @ SY627 )
              | ~ ( in @ SY627 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2452]) ).

thf(2472,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
                 != SV345 )
                | ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV345
                       != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2453]) ).

thf(2473,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2454]) ).

thf(2474,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) )
          | ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2455]) ).

thf(2475,plain,
    ! [SV68: $i,SV123: $i,SV353: $i] :
      ( ( ( ! [SY632: $i] :
              ( ( SY632 != SV353 )
              | ~ ( in @ SY632 @ ( succ @ SV123 ) ) )
          | ! [SY633: $i] :
              ( ( SV353 != SY633 )
              | ~ ( ordinal @ SY633 )
              | ~ ( in @ SY633 @ SV68 ) )
          | ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2456]) ).

thf(2476,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
                     != SV354 )
                    | ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV354
                           != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2457]) ).

thf(2477,plain,
    ! [SV68: $i,SV337: $i,SV123: $i,SV346: $i] :
      ( ( ( in @ SV346 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV346 = SV337 )
        = $false )
      | ( ( ! [SY623: $i] :
              ( ( SV337 != SY623 )
              | ~ ( ordinal @ SY623 )
              | ~ ( in @ SY623 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2458]) ).

thf(2478,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
           != SV338 )
          | ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2459]) ).

thf(2479,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ~ ( ( SV338
                 != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2460]) ).

thf(2480,plain,
    ! [SV68: $i,SV123: $i,SV347: $i,SV355: $i] :
      ( ( ( ( SV355 != SV347 )
          | ~ ( in @ SV355 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY629: $i] :
              ( ( SV347 != SY629 )
              | ~ ( ordinal @ SY629 )
              | ~ ( in @ SY629 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2461]) ).

thf(2481,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
                 != SV348 )
                | ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV348
                       != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2462]) ).

thf(2482,plain,
    ! [SV68: $i,SV123: $i,SV349: $i,SV356: $i] :
      ( ( ( ( SV356 != SV349 )
          | ~ ( in @ SV356 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY631: $i] :
              ( ( SV349 != SY631 )
              | ~ ( ordinal @ SY631 )
              | ~ ( in @ SY631 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2463]) ).

thf(2483,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
                 != SV350 )
                | ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV350
                       != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2464]) ).

thf(2484,plain,
    ! [SV68: $i,SV339: $i,SV123: $i,SV351: $i] :
      ( ( ( in @ SV351 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV351 = SV339 )
        = $false )
      | ( ( ! [SY625: $i] :
              ( ( SV339 != SY625 )
              | ~ ( ordinal @ SY625 )
              | ~ ( in @ SY625 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2465]) ).

thf(2485,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
           != SV340 )
          | ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2466]) ).

thf(2486,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ~ ( ( SV340
                 != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2467]) ).

thf(2487,plain,
    ! [SV123: $i,SV332: $i,SV68: $i,SV317: $i,SV343: $i] :
      ( ( ( ordinal @ SV343 )
        = $false )
      | ( ( SV317 = SV343 )
        = $false )
      | ( ( ~ ( in @ SV343 @ SV68 ) )
        = $true )
      | ( ( SV332 = SV317 )
        = $false )
      | ( ( in @ SV332 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2468]) ).

thf(2488,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( SV318
          = ( sK42_H @ SV318 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2469]) ).

thf(2489,plain,
    ! [SV68: $i,SV123: $i,SV318: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV318 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV318 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2470]) ).

thf(2490,plain,
    ! [SV68: $i,SV123: $i,SV344: $i,SV352: $i] :
      ( ( ( ( SV352 != SV344 ) )
        = $true )
      | ( ( ~ ( in @ SV352 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY627: $i] :
              ( ( SV344 != SY627 )
              | ~ ( ordinal @ SY627 )
              | ~ ( in @ SY627 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2471]) ).

thf(2491,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
                 != SV345 )
                | ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2472]) ).

thf(2492,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV345
                       != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2472]) ).

thf(2493,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2473]) ).

thf(2494,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2473]) ).

thf(2495,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY481: $i] :
                ( ! [SY482: $i] :
                    ( ( SY482 != SY481 )
                    | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
                | ! [SY400: $i] :
                    ( ( SY481 != SY400 )
                    | ~ ( ordinal @ SY400 )
                    | ~ ( in @ SY400 @ SV68 ) )
                | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2474]) ).

thf(2496,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ~ ! [SY484: $i] :
                ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
                | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                           != SY484 )
                          | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                    | ~ ~ ( ~ ~ ( ( SY484
                                 != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                                | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                          | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2474]) ).

thf(2497,plain,
    ! [SV68: $i,SV123: $i,SV353: $i] :
      ( ( ( ! [SY632: $i] :
              ( ( SY632 != SV353 )
              | ~ ( in @ SY632 @ ( succ @ SV123 ) ) )
          | ! [SY633: $i] :
              ( ( SV353 != SY633 )
              | ~ ( ordinal @ SY633 )
              | ~ ( in @ SY633 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2475]) ).

thf(2498,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
                     != SV354 )
                    | ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV354
                           != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2476]) ).

thf(2499,plain,
    ! [SV123: $i,SV346: $i,SV68: $i,SV357: $i,SV337: $i] :
      ( ( ( ( SV337 != SV357 )
          | ~ ( ordinal @ SV357 )
          | ~ ( in @ SV357 @ SV68 ) )
        = $true )
      | ( ( SV346 = SV337 )
        = $false )
      | ( ( in @ SV346 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2477]) ).

thf(2500,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
           != SV338 ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2478]) ).

thf(2501,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2478]) ).

thf(2502,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ~ ( ( SV338
                 != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2479]) ).

thf(2503,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2479]) ).

thf(2504,plain,
    ! [SV68: $i,SV123: $i,SV347: $i,SV355: $i] :
      ( ( ( ( SV355 != SV347 ) )
        = $true )
      | ( ( ~ ( in @ SV355 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY629: $i] :
              ( ( SV347 != SY629 )
              | ~ ( ordinal @ SY629 )
              | ~ ( in @ SY629 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2480]) ).

thf(2505,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
                 != SV348 )
                | ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2481]) ).

thf(2506,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV348
                       != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2481]) ).

thf(2507,plain,
    ! [SV68: $i,SV123: $i,SV349: $i,SV356: $i] :
      ( ( ( ( SV356 != SV349 ) )
        = $true )
      | ( ( ~ ( in @ SV356 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY631: $i] :
              ( ( SV349 != SY631 )
              | ~ ( ordinal @ SY631 )
              | ~ ( in @ SY631 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2482]) ).

thf(2508,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
                 != SV350 )
                | ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2483]) ).

thf(2509,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV350
                       != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2483]) ).

thf(2510,plain,
    ! [SV123: $i,SV351: $i,SV68: $i,SV358: $i,SV339: $i] :
      ( ( ( ( SV339 != SV358 )
          | ~ ( ordinal @ SV358 )
          | ~ ( in @ SV358 @ SV68 ) )
        = $true )
      | ( ( SV351 = SV339 )
        = $false )
      | ( ( in @ SV351 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2484]) ).

thf(2511,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
           != SV340 ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2485]) ).

thf(2512,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2485]) ).

thf(2513,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ~ ( ( SV340
                 != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2486]) ).

thf(2514,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2486]) ).

thf(2515,plain,
    ! [SV123: $i,SV332: $i,SV317: $i,SV68: $i,SV343: $i] :
      ( ( ( in @ SV343 @ SV68 )
        = $false )
      | ( ( SV317 = SV343 )
        = $false )
      | ( ( ordinal @ SV343 )
        = $false )
      | ( ( SV332 = SV317 )
        = $false )
      | ( ( in @ SV332 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV317 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2487]) ).

thf(2516,plain,
    ! [SV68: $i,SV123: $i,SV344: $i,SV352: $i] :
      ( ( ( SV352 = SV344 )
        = $false )
      | ( ( ~ ( in @ SV352 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY627: $i] :
              ( ( SV344 != SY627 )
              | ~ ( ordinal @ SY627 )
              | ~ ( in @ SY627 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2490]) ).

thf(2517,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
               != SV345 )
              | ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2491]) ).

thf(2518,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV345
                     != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2492]) ).

thf(2519,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2493]) ).

thf(2520,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2494]) ).

thf(2521,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY481: $i] :
              ( ! [SY482: $i] :
                  ( ( SY482 != SY481 )
                  | ~ ( in @ SY482 @ ( succ @ SV123 ) ) )
              | ! [SY400: $i] :
                  ( ( SY481 != SY400 )
                  | ~ ( ordinal @ SY400 )
                  | ~ ( in @ SY400 @ SV68 ) )
              | ( in @ SY481 @ ( sK41_C @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2495]) ).

thf(2522,plain,
    ! [SV68: $i,SV123: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( in @ SY484 @ ( sK41_C @ SV123 @ SV68 ) )
              | ~ ( ~ ~ ( ( ( sK43_E @ SY484 @ SV123 @ SV68 )
                         != SY484 )
                        | ~ ( in @ ( sK43_E @ SY484 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
                  | ~ ~ ( ~ ~ ( ( SY484
                               != ( sK42_H @ SY484 @ SV123 @ SV68 ) )
                              | ~ ( ordinal @ ( sK42_H @ SY484 @ SV123 @ SV68 ) ) )
                        | ~ ( in @ ( sK42_H @ SY484 @ SV123 @ SV68 ) @ SV68 ) ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2496]) ).

thf(2523,plain,
    ! [SV68: $i,SV123: $i,SV353: $i] :
      ( ( ( ! [SY632: $i] :
              ( ( SY632 != SV353 )
              | ~ ( in @ SY632 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY633: $i] :
              ( ( SV353 != SY633 )
              | ~ ( ordinal @ SY633 )
              | ~ ( in @ SY633 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2497]) ).

thf(2524,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
                     != SV354 )
                    | ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV354
                           != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2498]) ).

thf(2525,plain,
    ! [SV123: $i,SV346: $i,SV68: $i,SV357: $i,SV337: $i] :
      ( ( ( ( SV337 != SV357 )
          | ~ ( ordinal @ SV357 ) )
        = $true )
      | ( ( ~ ( in @ SV357 @ SV68 ) )
        = $true )
      | ( ( SV346 = SV337 )
        = $false )
      | ( ( in @ SV346 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2499]) ).

thf(2526,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ( sK43_E @ SV338 @ SV123 @ SV68 )
          = SV338 )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2500]) ).

thf(2527,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( in @ ( sK43_E @ SV338 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2501]) ).

thf(2528,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( ( SV338
               != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2502]) ).

thf(2529,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( in @ ( sK42_H @ SV338 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2503]) ).

thf(2530,plain,
    ! [SV68: $i,SV123: $i,SV347: $i,SV355: $i] :
      ( ( ( SV355 = SV347 )
        = $false )
      | ( ( ~ ( in @ SV355 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY629: $i] :
              ( ( SV347 != SY629 )
              | ~ ( ordinal @ SY629 )
              | ~ ( in @ SY629 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2504]) ).

thf(2531,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
               != SV348 )
              | ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2505]) ).

thf(2532,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV348
                     != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2506]) ).

thf(2533,plain,
    ! [SV68: $i,SV123: $i,SV349: $i,SV356: $i] :
      ( ( ( SV356 = SV349 )
        = $false )
      | ( ( ~ ( in @ SV356 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY631: $i] :
              ( ( SV349 != SY631 )
              | ~ ( ordinal @ SY631 )
              | ~ ( in @ SY631 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2507]) ).

thf(2534,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
               != SV350 )
              | ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2508]) ).

thf(2535,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV350
                     != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2509]) ).

thf(2536,plain,
    ! [SV123: $i,SV351: $i,SV68: $i,SV358: $i,SV339: $i] :
      ( ( ( ( SV339 != SV358 )
          | ~ ( ordinal @ SV358 ) )
        = $true )
      | ( ( ~ ( in @ SV358 @ SV68 ) )
        = $true )
      | ( ( SV351 = SV339 )
        = $false )
      | ( ( in @ SV351 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2510]) ).

thf(2537,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ( sK43_E @ SV340 @ SV123 @ SV68 )
          = SV340 )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2511]) ).

thf(2538,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( in @ ( sK43_E @ SV340 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2512]) ).

thf(2539,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( ( SV340
               != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2513]) ).

thf(2540,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( in @ ( sK42_H @ SV340 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2514]) ).

thf(2541,plain,
    ! [SV68: $i,SV344: $i,SV123: $i,SV352: $i] :
      ( ( ( in @ SV352 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV352 = SV344 )
        = $false )
      | ( ( ! [SY627: $i] :
              ( ( SV344 != SY627 )
              | ~ ( ordinal @ SY627 )
              | ~ ( in @ SY627 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2516]) ).

thf(2542,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
           != SV345 )
          | ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2517]) ).

thf(2543,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ~ ( ( SV345
                 != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2518]) ).

thf(2544,plain,
    ! [SV68: $i,SV123: $i,SV359: $i] :
      ( ( ( ! [SY634: $i] :
              ( ( SY634 != SV359 )
              | ~ ( in @ SY634 @ ( succ @ SV123 ) ) )
          | ! [SY635: $i] :
              ( ( SV359 != SY635 )
              | ~ ( ordinal @ SY635 )
              | ~ ( in @ SY635 @ SV68 ) )
          | ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2519]) ).

thf(2545,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
                     != SV360 )
                    | ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV360
                           != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2520]) ).

thf(2546,plain,
    ! [SV68: $i,SV123: $i,SV361: $i] :
      ( ( ( ! [SY636: $i] :
              ( ( SY636 != SV361 )
              | ~ ( in @ SY636 @ ( succ @ SV123 ) ) )
          | ! [SY637: $i] :
              ( ( SV361 != SY637 )
              | ~ ( ordinal @ SY637 )
              | ~ ( in @ SY637 @ SV68 ) )
          | ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2521]) ).

thf(2547,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
          | ~ ( ~ ~ ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
                     != SV362 )
                    | ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV362
                           != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2522]) ).

thf(2548,plain,
    ! [SV68: $i,SV123: $i,SV353: $i,SV363: $i] :
      ( ( ( ( SV363 != SV353 )
          | ~ ( in @ SV363 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY633: $i] :
              ( ( SV353 != SY633 )
              | ~ ( ordinal @ SY633 )
              | ~ ( in @ SY633 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2523]) ).

thf(2549,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
                 != SV354 )
                | ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV354
                       != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2524]) ).

thf(2550,plain,
    ! [SV123: $i,SV346: $i,SV68: $i,SV357: $i,SV337: $i] :
      ( ( ( ( SV337 != SV357 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV357 ) )
        = $true )
      | ( ( ~ ( in @ SV357 @ SV68 ) )
        = $true )
      | ( ( SV346 = SV337 )
        = $false )
      | ( ( in @ SV346 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2525]) ).

thf(2551,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ( SV338
           != ( sK42_H @ SV338 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2528]) ).

thf(2552,plain,
    ! [SV68: $i,SV347: $i,SV123: $i,SV355: $i] :
      ( ( ( in @ SV355 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV355 = SV347 )
        = $false )
      | ( ( ! [SY629: $i] :
              ( ( SV347 != SY629 )
              | ~ ( ordinal @ SY629 )
              | ~ ( in @ SY629 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2530]) ).

thf(2553,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
           != SV348 )
          | ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2531]) ).

thf(2554,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ~ ( ( SV348
                 != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2532]) ).

thf(2555,plain,
    ! [SV68: $i,SV349: $i,SV123: $i,SV356: $i] :
      ( ( ( in @ SV356 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV356 = SV349 )
        = $false )
      | ( ( ! [SY631: $i] :
              ( ( SV349 != SY631 )
              | ~ ( ordinal @ SY631 )
              | ~ ( in @ SY631 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2533]) ).

thf(2556,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
           != SV350 )
          | ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2534]) ).

thf(2557,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ~ ( ( SV350
                 != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2535]) ).

thf(2558,plain,
    ! [SV123: $i,SV351: $i,SV68: $i,SV358: $i,SV339: $i] :
      ( ( ( ( SV339 != SV358 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV358 ) )
        = $true )
      | ( ( ~ ( in @ SV358 @ SV68 ) )
        = $true )
      | ( ( SV351 = SV339 )
        = $false )
      | ( ( in @ SV351 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2536]) ).

thf(2559,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ( SV340
           != ( sK42_H @ SV340 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2539]) ).

thf(2560,plain,
    ! [SV123: $i,SV352: $i,SV68: $i,SV364: $i,SV344: $i] :
      ( ( ( ( SV344 != SV364 )
          | ~ ( ordinal @ SV364 )
          | ~ ( in @ SV364 @ SV68 ) )
        = $true )
      | ( ( SV352 = SV344 )
        = $false )
      | ( ( in @ SV352 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2541]) ).

thf(2561,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
           != SV345 ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2542]) ).

thf(2562,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2542]) ).

thf(2563,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ~ ( ( SV345
                 != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2543]) ).

thf(2564,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2543]) ).

thf(2565,plain,
    ! [SV68: $i,SV123: $i,SV359: $i] :
      ( ( ( ! [SY634: $i] :
              ( ( SY634 != SV359 )
              | ~ ( in @ SY634 @ ( succ @ SV123 ) ) )
          | ! [SY635: $i] :
              ( ( SV359 != SY635 )
              | ~ ( ordinal @ SY635 )
              | ~ ( in @ SY635 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2544]) ).

thf(2566,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
                     != SV360 )
                    | ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV360
                           != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2545]) ).

thf(2567,plain,
    ! [SV68: $i,SV123: $i,SV361: $i] :
      ( ( ( ! [SY636: $i] :
              ( ( SY636 != SV361 )
              | ~ ( in @ SY636 @ ( succ @ SV123 ) ) )
          | ! [SY637: $i] :
              ( ( SV361 != SY637 )
              | ~ ( ordinal @ SY637 )
              | ~ ( in @ SY637 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2546]) ).

thf(2568,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
                     != SV362 )
                    | ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV362
                           != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2547]) ).

thf(2569,plain,
    ! [SV68: $i,SV123: $i,SV353: $i,SV363: $i] :
      ( ( ( ( SV363 != SV353 ) )
        = $true )
      | ( ( ~ ( in @ SV363 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY633: $i] :
              ( ( SV353 != SY633 )
              | ~ ( ordinal @ SY633 )
              | ~ ( in @ SY633 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2548]) ).

thf(2570,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
                 != SV354 )
                | ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2549]) ).

thf(2571,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV354
                       != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2549]) ).

thf(2572,plain,
    ! [SV123: $i,SV346: $i,SV68: $i,SV357: $i,SV337: $i] :
      ( ( ( SV337 = SV357 )
        = $false )
      | ( ( ~ ( ordinal @ SV357 ) )
        = $true )
      | ( ( ~ ( in @ SV357 @ SV68 ) )
        = $true )
      | ( ( SV346 = SV337 )
        = $false )
      | ( ( in @ SV346 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2550]) ).

thf(2573,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ( SV338
           != ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2551]) ).

thf(2574,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2551]) ).

thf(2575,plain,
    ! [SV123: $i,SV355: $i,SV68: $i,SV365: $i,SV347: $i] :
      ( ( ( ( SV347 != SV365 )
          | ~ ( ordinal @ SV365 )
          | ~ ( in @ SV365 @ SV68 ) )
        = $true )
      | ( ( SV355 = SV347 )
        = $false )
      | ( ( in @ SV355 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2552]) ).

thf(2576,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
           != SV348 ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2553]) ).

thf(2577,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2553]) ).

thf(2578,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ~ ( ( SV348
                 != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2554]) ).

thf(2579,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2554]) ).

thf(2580,plain,
    ! [SV123: $i,SV356: $i,SV68: $i,SV366: $i,SV349: $i] :
      ( ( ( ( SV349 != SV366 )
          | ~ ( ordinal @ SV366 )
          | ~ ( in @ SV366 @ SV68 ) )
        = $true )
      | ( ( SV356 = SV349 )
        = $false )
      | ( ( in @ SV356 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2555]) ).

thf(2581,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
           != SV350 ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2556]) ).

thf(2582,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2556]) ).

thf(2583,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ~ ( ( SV350
                 != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2557]) ).

thf(2584,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2557]) ).

thf(2585,plain,
    ! [SV123: $i,SV351: $i,SV68: $i,SV358: $i,SV339: $i] :
      ( ( ( SV339 = SV358 )
        = $false )
      | ( ( ~ ( ordinal @ SV358 ) )
        = $true )
      | ( ( ~ ( in @ SV358 @ SV68 ) )
        = $true )
      | ( ( SV351 = SV339 )
        = $false )
      | ( ( in @ SV351 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2558]) ).

thf(2586,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ( SV340
           != ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2559]) ).

thf(2587,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2559]) ).

thf(2588,plain,
    ! [SV123: $i,SV352: $i,SV68: $i,SV364: $i,SV344: $i] :
      ( ( ( ( SV344 != SV364 )
          | ~ ( ordinal @ SV364 ) )
        = $true )
      | ( ( ~ ( in @ SV364 @ SV68 ) )
        = $true )
      | ( ( SV352 = SV344 )
        = $false )
      | ( ( in @ SV352 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2560]) ).

thf(2589,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ( sK43_E @ SV345 @ SV123 @ SV68 )
          = SV345 )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2561]) ).

thf(2590,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( in @ ( sK43_E @ SV345 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2562]) ).

thf(2591,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( ( SV345
               != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2563]) ).

thf(2592,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( in @ ( sK42_H @ SV345 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2564]) ).

thf(2593,plain,
    ! [SV68: $i,SV123: $i,SV359: $i] :
      ( ( ( ! [SY634: $i] :
              ( ( SY634 != SV359 )
              | ~ ( in @ SY634 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY635: $i] :
              ( ( SV359 != SY635 )
              | ~ ( ordinal @ SY635 )
              | ~ ( in @ SY635 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2565]) ).

thf(2594,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
                     != SV360 )
                    | ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV360
                           != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2566]) ).

thf(2595,plain,
    ! [SV68: $i,SV123: $i,SV361: $i] :
      ( ( ( ! [SY636: $i] :
              ( ( SY636 != SV361 )
              | ~ ( in @ SY636 @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( ! [SY637: $i] :
              ( ( SV361 != SY637 )
              | ~ ( ordinal @ SY637 )
              | ~ ( in @ SY637 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2567]) ).

thf(2596,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
                     != SV362 )
                    | ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
              | ~ ~ ( ~ ~ ( ( SV362
                           != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                          | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
                    | ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2568]) ).

thf(2597,plain,
    ! [SV68: $i,SV123: $i,SV353: $i,SV363: $i] :
      ( ( ( SV363 = SV353 )
        = $false )
      | ( ( ~ ( in @ SV363 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY633: $i] :
              ( ( SV353 != SY633 )
              | ~ ( ordinal @ SY633 )
              | ~ ( in @ SY633 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2569]) ).

thf(2598,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
               != SV354 )
              | ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2570]) ).

thf(2599,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV354
                     != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2571]) ).

thf(2600,plain,
    ! [SV123: $i,SV346: $i,SV68: $i,SV337: $i,SV357: $i] :
      ( ( ( ordinal @ SV357 )
        = $false )
      | ( ( SV337 = SV357 )
        = $false )
      | ( ( ~ ( in @ SV357 @ SV68 ) )
        = $true )
      | ( ( SV346 = SV337 )
        = $false )
      | ( ( in @ SV346 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2572]) ).

thf(2601,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( SV338
          = ( sK42_H @ SV338 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2573]) ).

thf(2602,plain,
    ! [SV68: $i,SV123: $i,SV338: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV338 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV338 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2574]) ).

thf(2603,plain,
    ! [SV123: $i,SV355: $i,SV68: $i,SV365: $i,SV347: $i] :
      ( ( ( ( SV347 != SV365 )
          | ~ ( ordinal @ SV365 ) )
        = $true )
      | ( ( ~ ( in @ SV365 @ SV68 ) )
        = $true )
      | ( ( SV355 = SV347 )
        = $false )
      | ( ( in @ SV355 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2575]) ).

thf(2604,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ( sK43_E @ SV348 @ SV123 @ SV68 )
          = SV348 )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2576]) ).

thf(2605,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( in @ ( sK43_E @ SV348 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2577]) ).

thf(2606,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( ( SV348
               != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2578]) ).

thf(2607,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( in @ ( sK42_H @ SV348 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2579]) ).

thf(2608,plain,
    ! [SV123: $i,SV356: $i,SV68: $i,SV366: $i,SV349: $i] :
      ( ( ( ( SV349 != SV366 )
          | ~ ( ordinal @ SV366 ) )
        = $true )
      | ( ( ~ ( in @ SV366 @ SV68 ) )
        = $true )
      | ( ( SV356 = SV349 )
        = $false )
      | ( ( in @ SV356 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2580]) ).

thf(2609,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ( sK43_E @ SV350 @ SV123 @ SV68 )
          = SV350 )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2581]) ).

thf(2610,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( in @ ( sK43_E @ SV350 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2582]) ).

thf(2611,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( ( SV350
               != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2583]) ).

thf(2612,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( in @ ( sK42_H @ SV350 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2584]) ).

thf(2613,plain,
    ! [SV123: $i,SV351: $i,SV68: $i,SV339: $i,SV358: $i] :
      ( ( ( ordinal @ SV358 )
        = $false )
      | ( ( SV339 = SV358 )
        = $false )
      | ( ( ~ ( in @ SV358 @ SV68 ) )
        = $true )
      | ( ( SV351 = SV339 )
        = $false )
      | ( ( in @ SV351 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2585]) ).

thf(2614,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( SV340
          = ( sK42_H @ SV340 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2586]) ).

thf(2615,plain,
    ! [SV68: $i,SV123: $i,SV340: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV340 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV340 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2587]) ).

thf(2616,plain,
    ! [SV123: $i,SV352: $i,SV68: $i,SV364: $i,SV344: $i] :
      ( ( ( ( SV344 != SV364 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV364 ) )
        = $true )
      | ( ( ~ ( in @ SV364 @ SV68 ) )
        = $true )
      | ( ( SV352 = SV344 )
        = $false )
      | ( ( in @ SV352 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2588]) ).

thf(2617,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ( SV345
           != ( sK42_H @ SV345 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2591]) ).

thf(2618,plain,
    ! [SV68: $i,SV123: $i,SV359: $i,SV367: $i] :
      ( ( ( ( SV367 != SV359 )
          | ~ ( in @ SV367 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY635: $i] :
              ( ( SV359 != SY635 )
              | ~ ( ordinal @ SY635 )
              | ~ ( in @ SY635 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2593]) ).

thf(2619,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
                 != SV360 )
                | ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV360
                       != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2594]) ).

thf(2620,plain,
    ! [SV68: $i,SV123: $i,SV361: $i,SV368: $i] :
      ( ( ( ( SV368 != SV361 )
          | ~ ( in @ SV368 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY637: $i] :
              ( ( SV361 != SY637 )
              | ~ ( ordinal @ SY637 )
              | ~ ( in @ SY637 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2595]) ).

thf(2621,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
                 != SV362 )
                | ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
          | ~ ~ ( ~ ~ ( ( SV362
                       != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2596]) ).

thf(2622,plain,
    ! [SV68: $i,SV353: $i,SV123: $i,SV363: $i] :
      ( ( ( in @ SV363 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV363 = SV353 )
        = $false )
      | ( ( ! [SY633: $i] :
              ( ( SV353 != SY633 )
              | ~ ( ordinal @ SY633 )
              | ~ ( in @ SY633 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2597]) ).

thf(2623,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
           != SV354 )
          | ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2598]) ).

thf(2624,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ~ ( ( SV354
                 != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2599]) ).

thf(2625,plain,
    ! [SV123: $i,SV346: $i,SV337: $i,SV68: $i,SV357: $i] :
      ( ( ( in @ SV357 @ SV68 )
        = $false )
      | ( ( SV337 = SV357 )
        = $false )
      | ( ( ordinal @ SV357 )
        = $false )
      | ( ( SV346 = SV337 )
        = $false )
      | ( ( in @ SV346 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV337 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK46_SY299 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2600]) ).

thf(2626,plain,
    ! [SV123: $i,SV355: $i,SV68: $i,SV365: $i,SV347: $i] :
      ( ( ( ( SV347 != SV365 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV365 ) )
        = $true )
      | ( ( ~ ( in @ SV365 @ SV68 ) )
        = $true )
      | ( ( SV355 = SV347 )
        = $false )
      | ( ( in @ SV355 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2603]) ).

thf(2627,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ( SV348
           != ( sK42_H @ SV348 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2606]) ).

thf(2628,plain,
    ! [SV123: $i,SV356: $i,SV68: $i,SV366: $i,SV349: $i] :
      ( ( ( ( SV349 != SV366 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV366 ) )
        = $true )
      | ( ( ~ ( in @ SV366 @ SV68 ) )
        = $true )
      | ( ( SV356 = SV349 )
        = $false )
      | ( ( in @ SV356 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2608]) ).

thf(2629,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ( SV350
           != ( sK42_H @ SV350 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2611]) ).

thf(2630,plain,
    ! [SV123: $i,SV351: $i,SV339: $i,SV68: $i,SV358: $i] :
      ( ( ( in @ SV358 @ SV68 )
        = $false )
      | ( ( SV339 = SV358 )
        = $false )
      | ( ( ordinal @ SV358 )
        = $false )
      | ( ( SV351 = SV339 )
        = $false )
      | ( ( in @ SV351 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV339 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK47_SY303 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2613]) ).

thf(2631,plain,
    ! [SV123: $i,SV352: $i,SV68: $i,SV364: $i,SV344: $i] :
      ( ( ( SV344 = SV364 )
        = $false )
      | ( ( ~ ( ordinal @ SV364 ) )
        = $true )
      | ( ( ~ ( in @ SV364 @ SV68 ) )
        = $true )
      | ( ( SV352 = SV344 )
        = $false )
      | ( ( in @ SV352 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2616]) ).

thf(2632,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ( SV345
           != ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2617]) ).

thf(2633,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2617]) ).

thf(2634,plain,
    ! [SV68: $i,SV123: $i,SV359: $i,SV367: $i] :
      ( ( ( ( SV367 != SV359 ) )
        = $true )
      | ( ( ~ ( in @ SV367 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY635: $i] :
              ( ( SV359 != SY635 )
              | ~ ( ordinal @ SY635 )
              | ~ ( in @ SY635 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2618]) ).

thf(2635,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
                 != SV360 )
                | ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2619]) ).

thf(2636,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV360
                       != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2619]) ).

thf(2637,plain,
    ! [SV68: $i,SV123: $i,SV361: $i,SV368: $i] :
      ( ( ( ( SV368 != SV361 ) )
        = $true )
      | ( ( ~ ( in @ SV368 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY637: $i] :
              ( ( SV361 != SY637 )
              | ~ ( ordinal @ SY637 )
              | ~ ( in @ SY637 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2620]) ).

thf(2638,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ~ ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
                 != SV362 )
                | ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2621]) ).

thf(2639,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( SV362
                       != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                      | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
                | ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2621]) ).

thf(2640,plain,
    ! [SV123: $i,SV363: $i,SV68: $i,SV369: $i,SV353: $i] :
      ( ( ( ( SV353 != SV369 )
          | ~ ( ordinal @ SV369 )
          | ~ ( in @ SV369 @ SV68 ) )
        = $true )
      | ( ( SV363 = SV353 )
        = $false )
      | ( ( in @ SV363 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2622]) ).

thf(2641,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
           != SV354 ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2623]) ).

thf(2642,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2623]) ).

thf(2643,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ~ ( ( SV354
                 != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2624]) ).

thf(2644,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2624]) ).

thf(2645,plain,
    ! [SV123: $i,SV355: $i,SV68: $i,SV365: $i,SV347: $i] :
      ( ( ( SV347 = SV365 )
        = $false )
      | ( ( ~ ( ordinal @ SV365 ) )
        = $true )
      | ( ( ~ ( in @ SV365 @ SV68 ) )
        = $true )
      | ( ( SV355 = SV347 )
        = $false )
      | ( ( in @ SV355 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2626]) ).

thf(2646,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ( SV348
           != ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2627]) ).

thf(2647,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2627]) ).

thf(2648,plain,
    ! [SV123: $i,SV356: $i,SV68: $i,SV366: $i,SV349: $i] :
      ( ( ( SV349 = SV366 )
        = $false )
      | ( ( ~ ( ordinal @ SV366 ) )
        = $true )
      | ( ( ~ ( in @ SV366 @ SV68 ) )
        = $true )
      | ( ( SV356 = SV349 )
        = $false )
      | ( ( in @ SV356 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2628]) ).

thf(2649,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ( SV350
           != ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2629]) ).

thf(2650,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2629]) ).

thf(2651,plain,
    ! [SV123: $i,SV352: $i,SV68: $i,SV344: $i,SV364: $i] :
      ( ( ( ordinal @ SV364 )
        = $false )
      | ( ( SV344 = SV364 )
        = $false )
      | ( ( ~ ( in @ SV364 @ SV68 ) )
        = $true )
      | ( ( SV352 = SV344 )
        = $false )
      | ( ( in @ SV352 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2631]) ).

thf(2652,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( SV345
          = ( sK42_H @ SV345 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2632]) ).

thf(2653,plain,
    ! [SV68: $i,SV123: $i,SV345: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV345 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV345 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2633]) ).

thf(2654,plain,
    ! [SV68: $i,SV123: $i,SV359: $i,SV367: $i] :
      ( ( ( SV367 = SV359 )
        = $false )
      | ( ( ~ ( in @ SV367 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY635: $i] :
              ( ( SV359 != SY635 )
              | ~ ( ordinal @ SY635 )
              | ~ ( in @ SY635 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2634]) ).

thf(2655,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
               != SV360 )
              | ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2635]) ).

thf(2656,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV360
                     != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2636]) ).

thf(2657,plain,
    ! [SV68: $i,SV123: $i,SV361: $i,SV368: $i] :
      ( ( ( SV368 = SV361 )
        = $false )
      | ( ( ~ ( in @ SV368 @ ( succ @ SV123 ) ) )
        = $true )
      | ( ( ! [SY637: $i] :
              ( ( SV361 != SY637 )
              | ~ ( ordinal @ SY637 )
              | ~ ( in @ SY637 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2637]) ).

thf(2658,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
               != SV362 )
              | ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) ) )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2638]) ).

thf(2659,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV362
                     != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                    | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
              | ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) ) )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2639]) ).

thf(2660,plain,
    ! [SV123: $i,SV363: $i,SV68: $i,SV369: $i,SV353: $i] :
      ( ( ( ( SV353 != SV369 )
          | ~ ( ordinal @ SV369 ) )
        = $true )
      | ( ( ~ ( in @ SV369 @ SV68 ) )
        = $true )
      | ( ( SV363 = SV353 )
        = $false )
      | ( ( in @ SV363 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2640]) ).

thf(2661,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ( sK43_E @ SV354 @ SV123 @ SV68 )
          = SV354 )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2641]) ).

thf(2662,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( in @ ( sK43_E @ SV354 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2642]) ).

thf(2663,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( ( SV354
               != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2643]) ).

thf(2664,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( in @ ( sK42_H @ SV354 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2644]) ).

thf(2665,plain,
    ! [SV123: $i,SV355: $i,SV68: $i,SV347: $i,SV365: $i] :
      ( ( ( ordinal @ SV365 )
        = $false )
      | ( ( SV347 = SV365 )
        = $false )
      | ( ( ~ ( in @ SV365 @ SV68 ) )
        = $true )
      | ( ( SV355 = SV347 )
        = $false )
      | ( ( in @ SV355 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2645]) ).

thf(2666,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( SV348
          = ( sK42_H @ SV348 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2646]) ).

thf(2667,plain,
    ! [SV68: $i,SV123: $i,SV348: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV348 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV348 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2647]) ).

thf(2668,plain,
    ! [SV123: $i,SV356: $i,SV68: $i,SV349: $i,SV366: $i] :
      ( ( ( ordinal @ SV366 )
        = $false )
      | ( ( SV349 = SV366 )
        = $false )
      | ( ( ~ ( in @ SV366 @ SV68 ) )
        = $true )
      | ( ( SV356 = SV349 )
        = $false )
      | ( ( in @ SV356 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2648]) ).

thf(2669,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( SV350
          = ( sK42_H @ SV350 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2649]) ).

thf(2670,plain,
    ! [SV68: $i,SV123: $i,SV350: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV350 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV350 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2650]) ).

thf(2671,plain,
    ! [SV123: $i,SV352: $i,SV344: $i,SV68: $i,SV364: $i] :
      ( ( ( in @ SV364 @ SV68 )
        = $false )
      | ( ( SV344 = SV364 )
        = $false )
      | ( ( ordinal @ SV364 )
        = $false )
      | ( ( SV352 = SV344 )
        = $false )
      | ( ( in @ SV352 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV344 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK44_C @ SV123 @ SV68 )
          = ( sK45_SY295 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2651]) ).

thf(2672,plain,
    ! [SV68: $i,SV359: $i,SV123: $i,SV367: $i] :
      ( ( ( in @ SV367 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV367 = SV359 )
        = $false )
      | ( ( ! [SY635: $i] :
              ( ( SV359 != SY635 )
              | ~ ( ordinal @ SY635 )
              | ~ ( in @ SY635 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2654]) ).

thf(2673,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
           != SV360 )
          | ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2655]) ).

thf(2674,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ~ ( ( SV360
                 != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2656]) ).

thf(2675,plain,
    ! [SV68: $i,SV361: $i,SV123: $i,SV368: $i] :
      ( ( ( in @ SV368 @ ( succ @ SV123 ) )
        = $false )
      | ( ( SV368 = SV361 )
        = $false )
      | ( ( ! [SY637: $i] :
              ( ( SV361 != SY637 )
              | ~ ( ordinal @ SY637 )
              | ~ ( in @ SY637 @ SV68 ) ) )
        = $true )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2657]) ).

thf(2676,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
           != SV362 )
          | ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2658]) ).

thf(2677,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ~ ( ( SV362
                 != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
          | ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2659]) ).

thf(2678,plain,
    ! [SV123: $i,SV363: $i,SV68: $i,SV369: $i,SV353: $i] :
      ( ( ( ( SV353 != SV369 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV369 ) )
        = $true )
      | ( ( ~ ( in @ SV369 @ SV68 ) )
        = $true )
      | ( ( SV363 = SV353 )
        = $false )
      | ( ( in @ SV363 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2660]) ).

thf(2679,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ( SV354
           != ( sK42_H @ SV354 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2663]) ).

thf(2680,plain,
    ! [SV123: $i,SV355: $i,SV347: $i,SV68: $i,SV365: $i] :
      ( ( ( in @ SV365 @ SV68 )
        = $false )
      | ( ( SV347 = SV365 )
        = $false )
      | ( ( ordinal @ SV365 )
        = $false )
      | ( ( SV355 = SV347 )
        = $false )
      | ( ( in @ SV355 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV347 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK46_SY299 @ SV123 @ SV68 )
          = ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2665]) ).

thf(2681,plain,
    ! [SV123: $i,SV356: $i,SV349: $i,SV68: $i,SV366: $i] :
      ( ( ( in @ SV366 @ SV68 )
        = $false )
      | ( ( SV349 = SV366 )
        = $false )
      | ( ( ordinal @ SV366 )
        = $false )
      | ( ( SV356 = SV349 )
        = $false )
      | ( ( in @ SV356 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV349 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK47_SY303 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2668]) ).

thf(2682,plain,
    ! [SV123: $i,SV367: $i,SV68: $i,SV370: $i,SV359: $i] :
      ( ( ( ( SV359 != SV370 )
          | ~ ( ordinal @ SV370 )
          | ~ ( in @ SV370 @ SV68 ) )
        = $true )
      | ( ( SV367 = SV359 )
        = $false )
      | ( ( in @ SV367 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2672]) ).

thf(2683,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
           != SV360 ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2673]) ).

thf(2684,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2673]) ).

thf(2685,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ~ ( ( SV360
                 != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2674]) ).

thf(2686,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2674]) ).

thf(2687,plain,
    ! [SV123: $i,SV368: $i,SV68: $i,SV371: $i,SV361: $i] :
      ( ( ( ( SV361 != SV371 )
          | ~ ( ordinal @ SV371 )
          | ~ ( in @ SV371 @ SV68 ) )
        = $true )
      | ( ( SV368 = SV361 )
        = $false )
      | ( ( in @ SV368 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[2675]) ).

thf(2688,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
           != SV362 ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2676]) ).

thf(2689,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2676]) ).

thf(2690,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ~ ( ( SV362
                 != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
                | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2677]) ).

thf(2691,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2677]) ).

thf(2692,plain,
    ! [SV123: $i,SV363: $i,SV68: $i,SV369: $i,SV353: $i] :
      ( ( ( SV353 = SV369 )
        = $false )
      | ( ( ~ ( ordinal @ SV369 ) )
        = $true )
      | ( ( ~ ( in @ SV369 @ SV68 ) )
        = $true )
      | ( ( SV363 = SV353 )
        = $false )
      | ( ( in @ SV363 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2678]) ).

thf(2693,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ( SV354
           != ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2679]) ).

thf(2694,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2679]) ).

thf(2695,plain,
    ! [SV123: $i,SV367: $i,SV68: $i,SV370: $i,SV359: $i] :
      ( ( ( ( SV359 != SV370 )
          | ~ ( ordinal @ SV370 ) )
        = $true )
      | ( ( ~ ( in @ SV370 @ SV68 ) )
        = $true )
      | ( ( SV367 = SV359 )
        = $false )
      | ( ( in @ SV367 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2682]) ).

thf(2696,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ( sK43_E @ SV360 @ SV123 @ SV68 )
          = SV360 )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2683]) ).

thf(2697,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( in @ ( sK43_E @ SV360 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2684]) ).

thf(2698,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( ( SV360
               != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2685]) ).

thf(2699,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( in @ ( sK42_H @ SV360 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2686]) ).

thf(2700,plain,
    ! [SV123: $i,SV368: $i,SV68: $i,SV371: $i,SV361: $i] :
      ( ( ( ( SV361 != SV371 )
          | ~ ( ordinal @ SV371 ) )
        = $true )
      | ( ( ~ ( in @ SV371 @ SV68 ) )
        = $true )
      | ( ( SV368 = SV361 )
        = $false )
      | ( ( in @ SV368 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2687]) ).

thf(2701,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ( sK43_E @ SV362 @ SV123 @ SV68 )
          = SV362 )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2688]) ).

thf(2702,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( in @ ( sK43_E @ SV362 @ SV123 @ SV68 ) @ ( succ @ SV123 ) )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2689]) ).

thf(2703,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( ( SV362
               != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
              | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) ) )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2690]) ).

thf(2704,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( in @ ( sK42_H @ SV362 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2691]) ).

thf(2705,plain,
    ! [SV123: $i,SV363: $i,SV68: $i,SV353: $i,SV369: $i] :
      ( ( ( ordinal @ SV369 )
        = $false )
      | ( ( SV353 = SV369 )
        = $false )
      | ( ( ~ ( in @ SV369 @ SV68 ) )
        = $true )
      | ( ( SV363 = SV353 )
        = $false )
      | ( ( in @ SV363 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2692]) ).

thf(2706,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( SV354
          = ( sK42_H @ SV354 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2693]) ).

thf(2707,plain,
    ! [SV68: $i,SV123: $i,SV354: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV354 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV354 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2694]) ).

thf(2708,plain,
    ! [SV123: $i,SV367: $i,SV68: $i,SV370: $i,SV359: $i] :
      ( ( ( ( SV359 != SV370 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV370 ) )
        = $true )
      | ( ( ~ ( in @ SV370 @ SV68 ) )
        = $true )
      | ( ( SV367 = SV359 )
        = $false )
      | ( ( in @ SV367 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2695]) ).

thf(2709,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ( SV360
           != ( sK42_H @ SV360 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2698]) ).

thf(2710,plain,
    ! [SV123: $i,SV368: $i,SV68: $i,SV371: $i,SV361: $i] :
      ( ( ( ( SV361 != SV371 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV371 ) )
        = $true )
      | ( ( ~ ( in @ SV371 @ SV68 ) )
        = $true )
      | ( ( SV368 = SV361 )
        = $false )
      | ( ( in @ SV368 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2700]) ).

thf(2711,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ( SV362
           != ( sK42_H @ SV362 @ SV123 @ SV68 ) )
          | ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2703]) ).

thf(2712,plain,
    ! [SV123: $i,SV363: $i,SV353: $i,SV68: $i,SV369: $i] :
      ( ( ( in @ SV369 @ SV68 )
        = $false )
      | ( ( SV353 = SV369 )
        = $false )
      | ( ( ordinal @ SV369 )
        = $false )
      | ( ( SV363 = SV353 )
        = $false )
      | ( ( in @ SV363 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV353 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ ( sK48_SY300 @ SV123 @ SV68 ) @ SV68 )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2705]) ).

thf(2713,plain,
    ! [SV123: $i,SV367: $i,SV68: $i,SV370: $i,SV359: $i] :
      ( ( ( SV359 = SV370 )
        = $false )
      | ( ( ~ ( ordinal @ SV370 ) )
        = $true )
      | ( ( ~ ( in @ SV370 @ SV68 ) )
        = $true )
      | ( ( SV367 = SV359 )
        = $false )
      | ( ( in @ SV367 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2708]) ).

thf(2714,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ( SV360
           != ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2709]) ).

thf(2715,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2709]) ).

thf(2716,plain,
    ! [SV123: $i,SV368: $i,SV68: $i,SV371: $i,SV361: $i] :
      ( ( ( SV361 = SV371 )
        = $false )
      | ( ( ~ ( ordinal @ SV371 ) )
        = $true )
      | ( ( ~ ( in @ SV371 @ SV68 ) )
        = $true )
      | ( ( SV368 = SV361 )
        = $false )
      | ( ( in @ SV368 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2710]) ).

thf(2717,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ( SV362
           != ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2711]) ).

thf(2718,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ~ ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) ) )
        = $false )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2711]) ).

thf(2719,plain,
    ! [SV123: $i,SV367: $i,SV68: $i,SV359: $i,SV370: $i] :
      ( ( ( ordinal @ SV370 )
        = $false )
      | ( ( SV359 = SV370 )
        = $false )
      | ( ( ~ ( in @ SV370 @ SV68 ) )
        = $true )
      | ( ( SV367 = SV359 )
        = $false )
      | ( ( in @ SV367 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2713]) ).

thf(2720,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( SV360
          = ( sK42_H @ SV360 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2714]) ).

thf(2721,plain,
    ! [SV68: $i,SV123: $i,SV360: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV360 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV360 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2715]) ).

thf(2722,plain,
    ! [SV123: $i,SV368: $i,SV68: $i,SV361: $i,SV371: $i] :
      ( ( ( ordinal @ SV371 )
        = $false )
      | ( ( SV361 = SV371 )
        = $false )
      | ( ( ~ ( in @ SV371 @ SV68 ) )
        = $true )
      | ( ( SV368 = SV361 )
        = $false )
      | ( ( in @ SV368 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2716]) ).

thf(2723,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( SV362
          = ( sK42_H @ SV362 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2717]) ).

thf(2724,plain,
    ! [SV68: $i,SV123: $i,SV362: $i] :
      ( ( ( ordinal @ ( sK42_H @ SV362 @ SV123 @ SV68 ) )
        = $true )
      | ( ( in @ SV362 @ ( sK41_C @ SV123 @ SV68 ) )
        = $false )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2718]) ).

thf(2725,plain,
    ! [SV123: $i,SV367: $i,SV359: $i,SV68: $i,SV370: $i] :
      ( ( ( in @ SV370 @ SV68 )
        = $false )
      | ( ( SV359 = SV370 )
        = $false )
      | ( ( ordinal @ SV370 )
        = $false )
      | ( ( SV367 = SV359 )
        = $false )
      | ( ( in @ SV367 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV359 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ( sK45_SY295 @ SV123 @ SV68 )
          = ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2719]) ).

thf(2726,plain,
    ! [SV123: $i,SV368: $i,SV361: $i,SV68: $i,SV371: $i] :
      ( ( ( in @ SV371 @ SV68 )
        = $false )
      | ( ( SV361 = SV371 )
        = $false )
      | ( ( ordinal @ SV371 )
        = $false )
      | ( ( SV368 = SV361 )
        = $false )
      | ( ( in @ SV368 @ ( succ @ SV123 ) )
        = $false )
      | ( ( in @ SV361 @ ( sK41_C @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ ( sK48_SY300 @ SV123 @ SV68 ) )
        = $true )
      | ( ( ordinal @ SV123 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2722]) ).

thf(2727,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[685,2726,2725,2724,2723,2721,2720,2712,2707,2706,2704,2702,2701,2699,2697,2696,2681,2680,2671,2670,2669,2667,2666,2664,2662,2661,2653,2652,2630,2625,2615,2614,2612,2610,2609,2607,2605,2604,2602,2601,2592,2590,2589,2540,2538,2537,2529,2527,2526,2515,2489,2488,2433,2431,2430,2416,2415,2414,2413,2393,2392,2391,2390,2368,2367,2366,2348,2345,2344,2343,2339,2338,2337,2335,2334,2331,2330,2318,2317,2313,2310,2306,2305,2302,2297,2296,2290,2287,2286,2275,2274,2273,2272,2271,2259,2251,2250,2246,2245,2235,2223,2220,2219,2211,2203,2197,2196,2192,2191,2188,2185,2169,2168,2161,2155,2151,2150,2148,2147,2137,2136,2121,2120,2113,2112,2099,2097,2094,2093,2090,2088,2086,2085,2076,2072,2066,2058,2035,2034,2031,2024,2023,2010,2003,1996,1995,1990,1984,1983,1977,1972,1962,1945,1944,1940,1930,1926,1915,1914,1909,1898,1897,1892,1867,1866,1856,1853,1849,1848,1843,1840,1839,1824,1823,1822,1819,1802,1801,1794,1788,1787,1774,1773,1756,1755,1749,1737,1736,1735,1728,1720,1705,1694,1668,1667,1655,1645,1641,1638,1625,1624,1623,1622,1621,1620,1600,1599,1598,1583,1582,1542,1534,1533,1523,1522,1518,1517,1516,1513,1506,1505,1465,1448,1447,1446,1438,1424,1423,1422,1410,1409,1408,1407,1402,1401,1400,1399,1398,1391,1389,1387,1368,1304,1287,1282,1279,1276,1274,1269,1260,1191,1169,1165,1164,1162,1160,1158,1157,1150,1138,1136,1135,1076,1072,1071,1066,1064,1063,1058,1053,1052,1033,1026,1024,1016,992,991,897,886,879,866,799,796,788,769,752,749,745,743,741]) ).

thf(2728,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[2727]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU275+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.34  % Computer : n025.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jun 19 03:06:28 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.49  ..........
% 0.46/0.65  
% 0.46/0.65   No.of.Axioms: 352
% 0.46/0.65  
% 0.46/0.65   Length.of.Defs: 0
% 0.46/0.65  
% 0.46/0.65   Contains.Choice.Funs: false
% 0.54/0.74  ...................
% 0.61/0.80  (rf:2,axioms:112,ps:3,u:5,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:354,loop_count:0,foatp_calls:0,translation:fof_full).................................................................................................................................................................
% 2.03/2.28  
% 2.03/2.28  ********************************
% 2.03/2.28  *   All subproblems solved!    *
% 2.03/2.28  ********************************
% 2.03/2.28  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:2,axioms:113,ps:3,u:5,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:2727,loop_count:0,foatp_calls:1,translation:fof_full)
% 4.41/4.60  
% 4.41/4.60  %**** Beginning of derivation protocol ****
% 4.41/4.60  % SZS output start CNFRefutation
% See solution above
% 4.44/4.62  
% 4.44/4.62  %**** End of derivation protocol ****
% 4.44/4.62  %**** no. of clauses in derivation: 2488 ****
% 4.44/4.62  %**** clause counter: 2727 ****
% 4.44/4.62  
% 4.44/4.62  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:2,axioms:113,ps:3,u:5,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:2727,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------