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Leo-III---1.8.0.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SEU295+2 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39

% Computer : n008.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun Sep 27 08:38:21 AM UTC 2026

% Result   : Theorem 24.75s 7.01s
% Output   : Refutation 27.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :  384
% Syntax   : Number of formulae    :  815 ( 139 unt;   0 typ;  13 def)
%            Number of atoms       : 3612 ( 708 equ;   0 cnn)
%            Maximal formula atoms :   35 (   4 avg)
%            Number of connectives : 10426 ( 373   ~;  58   |;1368   &;7285   @)
%                                         ( 144 <=>;1198  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   26 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   87 (  84 usr;  16 con; 0-3 aty)
%            Number of variables   : 2168 (   0   ^;1873   !; 282   ?;2168   :)
%                                         (   0  !>;   0  ?*;   0  @-;  13  @+)

% Comments : 
%------------------------------------------------------------------------------
thf(finite_decl,type,
    finite: $i > $o ).

thf(set_intersection2_decl,type,
    set_intersection2: $i > $i > $i ).

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

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

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

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

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

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

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

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

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

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

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

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

thf(connected_decl,type,
    connected: $i > $o ).

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

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

thf(antisymmetric_decl,type,
    antisymmetric: $i > $o ).

thf(reflexive_decl,type,
    reflexive: $i > $o ).

thf(set_union2_decl,type,
    set_union2: $i > $i > $i ).

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

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

thf(being_limit_ordinal_decl,type,
    being_limit_ordinal: $i > $o ).

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

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

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

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

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

thf(relation_of2_decl,type,
    relation_of2: $i > $i > $i > $o ).

thf(relation_dom_as_subset_decl,type,
    relation_dom_as_subset: $i > $i > $i > $i ).

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

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

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

thf(relation_of2_as_subset_decl,type,
    relation_of2_as_subset: $i > $i > $i > $o ).

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

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

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

thf(quasi_total_decl,type,
    quasi_total: $i > $i > $i > $o ).

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

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

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

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

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

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

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

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

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

thf(cartesian_product2_decl,type,
    cartesian_product2: $i > $i > $i ).

thf(equipotent_decl,type,
    equipotent: $i > $i > $o ).

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

thf(relation_isomorphism_decl,type,
    relation_isomorphism: $i > $i > $i > $o ).

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

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

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

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

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

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

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

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

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

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

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

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

thf(epsilon_connected_decl,type,
    epsilon_connected: $i > $o ).

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

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

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

thf(natural_decl,type,
    natural: $i > $o ).

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

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

thf(unordered_triple_decl,type,
    unordered_triple: $i > $i > $i > $i ).

thf(sk1_decl,type,
    sk1: $i ).

thf(sk2_decl,type,
    sk2: $i ).

thf(sk12_decl,type,
    sk12: $i ).

thf(sk92_decl,type,
    sk92: $i ).

thf(sk124_decl,type,
    sk124: $i ).

thf(sk125_decl,type,
    sk125: $i ).

thf(sk126_decl,type,
    sk126: $i ).

thf(sk139_decl,type,
    sk139: $i ).

thf(sk154_decl,type,
    sk154: $i ).

thf(sk168_decl,type,
    sk168: $i ).

thf(sk195_decl,type,
    sk195: $i ).

thf(sk284_decl,type,
    sk284: $i ).

thf(sk324_decl,type,
    sk324: $i ).

thf(sk1_def,definition,
    ( sk1
    = ( @+[A: $i] :
          ~ ( ( A @ finite )
           => ! [B: $i] : ( B @ ( A @ set_intersection2 ) @ finite ) ) ) ) ).

thf(sk2_def,definition,
    ( sk2
    = ( @+[A: $i] :
          ~ ( A @ ( sk1 @ set_intersection2 ) @ finite ) ) ) ).

thf(sk12_def,definition,
    ( sk12
    = ( @+[A: $i] :
          ( ( A @ relation_empty_yielding )
          & ( A @ relation ) ) ) ) ).

thf(sk92_def,definition,
    ( sk92
    = ( @+[A: $i] : ( A @ empty ) ) ) ).

thf(sk124_def,definition,
    ( sk124
    = ( @+[A: $i] :
          ( ( A @ relation )
          & ( A @ empty ) ) ) ) ).

thf(sk125_def,definition,
    ( sk125
    = ( @+[A: $i] :
          ~ ( A @ empty ) ) ) ).

thf(sk126_def,definition,
    ( sk126
    = ( @+[A: $i] :
          ( ( A @ one_to_one )
          & ( A @ function )
          & ( A @ relation ) ) ) ) ).

thf(sk139_def,definition,
    ( sk139
    = ( @+[A: $i] :
          ( ( A @ natural )
          & ( A @ ordinal )
          & ( A @ epsilon_connected )
          & ( A @ epsilon_transitive )
          & ~ ( A @ empty ) ) ) ) ).

thf(sk154_def,definition,
    ( sk154
    = ( @+[A: $i] :
          ( ( A @ ordinal )
          & ( A @ epsilon_connected )
          & ( A @ epsilon_transitive )
          & ~ ( A @ empty ) ) ) ) ).

thf(sk168_def,definition,
    ( sk168
    = ( @+[A: $i] :
          ( ( A @ ordinal )
          & ( A @ epsilon_connected )
          & ( A @ epsilon_transitive ) ) ) ) ).

thf(sk195_def,definition,
    ( sk195
    = ( @+[A: $i] :
          ( ( A @ function )
          & ( A @ relation_empty_yielding )
          & ( A @ relation ) ) ) ) ).

thf(sk284_def,definition,
    ( sk284
    = ( @+[A: $i] :
          ( ( A @ relation )
          & ~ ( A @ empty ) ) ) ) ).

thf(sk324_def,definition,
    ( sk324
    = ( @+[A: $i] :
          ( ( A @ finite )
          & ~ ( A @ empty ) ) ) ) ).

thf(94,axiom,
    ! [A: $i] :
      ( ( A @ succ )
      = ( A @ singleton @ ( A @ set_union2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_ordinal1) ).

thf(1024,plain,
    ! [A: $i] :
      ( ( A @ succ )
      = ( A @ singleton @ ( A @ set_union2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[94]) ).

thf(146,axiom,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(1369,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[146]) ).

thf(285,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ relation_inverse_image ) @ ( A @ in ) )
      <=> ? [D: $i] :
            ( ( B @ ( D @ in ) )
            & ( C @ ( D @ ( A @ ordered_pair ) @ in ) )
            & ( C @ relation_rng @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t166_relat_1) ).

thf(2341,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( ? [D: $i] :
              ( ( B @ ( D @ in ) )
              & ( C @ ( D @ ( A @ ordered_pair ) @ in ) )
              & ( C @ relation_rng @ ( D @ in ) ) )
         => ( B @ ( C @ relation_inverse_image ) @ ( A @ in ) ) )
        & ( ( B @ ( C @ relation_inverse_image ) @ ( A @ in ) )
         => ? [D: $i] :
              ( ( B @ ( D @ in ) )
              & ( C @ ( D @ ( A @ ordered_pair ) @ in ) )
              & ( C @ relation_rng @ ( D @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[285]) ).

thf(202,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( A @ ( B @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(1729,plain,
    ! [A: $i] :
      ( ( ! [B: $i] :
            ~ ( A @ ( B @ in ) )
       => ( A = empty_set ) )
      & ( ( A = empty_set )
       => ! [B: $i] :
            ~ ( A @ ( B @ in ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[202]) ).

thf(174,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_restriction ) )
        = ( A @ ( B @ relation_dom_restriction ) @ ( A @ relation_rng_restriction ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t18_wellord1) ).

thf(1549,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_restriction ) )
        = ( A @ ( B @ relation_dom_restriction ) @ ( A @ relation_rng_restriction ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[174]) ).

thf(175,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_ordinal1) ).

thf(1552,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[175]) ).

thf(1553,plain,
    ( ( sk154 @ ordinal )
    & ( sk154 @ epsilon_connected )
    & ( sk154 @ epsilon_transitive )
    & ~ ( sk154 @ empty ) ),
    inference(cnf,[status(esa)],[1552]) ).

thf(1554,plain,
    ~ ( sk154 @ empty ),
    inference(cnfConj,[status(thm)],[1553]) ).

thf(224,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc4_funct_1) ).

thf(1879,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[224]) ).

thf(201,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ? [C: $i] :
        ! [D: $i] :
          ( ( C @ ( D @ in ) )
        <=> ( ? [E: $i] :
                ( ( A @ ( E @ in ) )
                & ( D = E )
                & ( E @ ordinal ) )
            & ( B @ succ @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_xboole_0__e8_6__wellord2__1) ).

thf(1718,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ? [C: $i] :
        ! [D: $i] :
          ( ( ( ? [E: $i] :
                  ( ( A @ ( E @ in ) )
                  & ( D = E )
                  & ( E @ ordinal ) )
              & ( B @ succ @ ( D @ in ) ) )
           => ( C @ ( D @ in ) ) )
          & ( ( C @ ( D @ in ) )
           => ( ? [E: $i] :
                  ( ( A @ ( E @ in ) )
                  & ( D = E )
                  & ( E @ ordinal ) )
              & ( B @ succ @ ( D @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[201]) ).

thf(71,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] :
    ! [D: $i] :
      ( ( C @ ( D @ in ) )
    <=> ( ? [E: $i,F: $i] :
            ( ( F
              = ( E @ singleton ) )
            & ( A @ ( E @ in ) )
            & ( ( F @ ( E @ ordered_pair ) )
              = D ) )
        & ( B @ ( A @ cartesian_product2 ) @ ( D @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_xboole_0__e16_22__wellord2__1) ).

thf(893,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] :
    ! [D: $i] :
      ( ( ( ? [E: $i,F: $i] :
              ( ( F
                = ( E @ singleton ) )
              & ( A @ ( E @ in ) )
              & ( ( F @ ( E @ ordered_pair ) )
                = D ) )
          & ( B @ ( A @ cartesian_product2 ) @ ( D @ in ) ) )
       => ( C @ ( D @ in ) ) )
      & ( ( C @ ( D @ in ) )
       => ( ? [E: $i,F: $i] :
              ( ( F
                = ( E @ singleton ) )
              & ( A @ ( E @ in ) )
              & ( ( F @ ( E @ ordered_pair ) )
                = D ) )
          & ( B @ ( A @ cartesian_product2 ) @ ( D @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[71]) ).

thf(217,axiom,
    ! [A: $i] :
      ( ( ( A @ one_to_one )
        & ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ relation_inverse @ function )
        & ( A @ relation_inverse @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_funct_1) ).

thf(1840,plain,
    ! [A: $i] :
      ( ( ( A @ one_to_one )
        & ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ relation_inverse @ function )
        & ( A @ relation_inverse @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[217]) ).

thf(135,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( B
          = ( A @ identity_relation ) )
      <=> ( ! [C: $i] :
              ( ( A @ ( C @ in ) )
             => ( ( C @ ( B @ apply ) )
                = C ) )
          & ( ( B @ relation_dom )
            = A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t34_funct_1) ).

thf(1315,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( ( ! [C: $i] :
                ( ( A @ ( C @ in ) )
               => ( ( C @ ( B @ apply ) )
                  = C ) )
            & ( ( B @ relation_dom )
              = A ) )
         => ( B
            = ( A @ identity_relation ) ) )
        & ( ( B
            = ( A @ identity_relation ) )
         => ( ! [C: $i] :
                ( ( A @ ( C @ in ) )
               => ( ( C @ ( B @ apply ) )
                  = C ) )
            & ( ( B @ relation_dom )
              = A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[135]) ).

thf(305,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i,C: $i] :
          ( ( ~ ( A @ relation_dom @ ( B @ in ) )
           => ( ( C
                = ( B @ ( A @ apply ) ) )
            <=> ( C = empty_set ) ) )
          & ( ( A @ relation_dom @ ( B @ in ) )
           => ( ( C
                = ( B @ ( A @ apply ) ) )
            <=> ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_funct_1) ).

thf(2499,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i,C: $i] :
          ( ( ~ ( A @ relation_dom @ ( B @ in ) )
           => ( ( ( C = empty_set )
               => ( C
                  = ( B @ ( A @ apply ) ) ) )
              & ( ( C
                  = ( B @ ( A @ apply ) ) )
               => ( C = empty_set ) ) ) )
          & ( ( A @ relation_dom @ ( B @ in ) )
           => ( ( ( A @ ( C @ ( B @ ordered_pair ) @ in ) )
               => ( C
                  = ( B @ ( A @ apply ) ) ) )
              & ( ( C
                  = ( B @ ( A @ apply ) ) )
               => ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[305]) ).

thf(295,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ! [E: $i] :
          ( ( ( E @ function )
            & ( E @ relation ) )
         => ( ( A @ ( C @ in ) )
           => ( ( ( C @ ( E @ ( D @ relation_composition ) @ apply ) )
                = ( C @ ( D @ apply ) @ ( E @ apply ) ) )
              | ( B = empty_set ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_funct_2) ).

thf(2427,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ! [E: $i] :
          ( ( ( E @ function )
            & ( E @ relation ) )
         => ( ( A @ ( C @ in ) )
           => ( ( ( C @ ( E @ ( D @ relation_composition ) @ apply ) )
                = ( C @ ( D @ apply ) @ ( E @ apply ) ) )
              | ( B = empty_set ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[295]) ).

thf(300,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ relation_restriction ) @ ( A @ in ) )
      <=> ( ( B @ ( B @ cartesian_product2 ) @ ( A @ in ) )
          & ( C @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t16_wellord1) ).

thf(2480,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( ( ( B @ ( B @ cartesian_product2 ) @ ( A @ in ) )
            & ( C @ ( A @ in ) ) )
         => ( B @ ( C @ relation_restriction ) @ ( A @ in ) ) )
        & ( ( B @ ( C @ relation_restriction ) @ ( A @ in ) )
         => ( ( B @ ( B @ cartesian_product2 ) @ ( A @ in ) )
            & ( C @ ( A @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[300]) ).

thf(263,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ transitive )
       => ( A @ ( B @ relation_restriction ) @ transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t24_wellord1) ).

thf(2210,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ transitive )
       => ( A @ ( B @ relation_restriction ) @ transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[263]) ).

thf(130,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( C @ empty )
        & ( C @ powerset @ ( B @ element ) )
        & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_subset) ).

thf(1290,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( C @ empty )
        & ( C @ powerset @ ( B @ element ) )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[130]) ).

thf(101,axiom,
    ! [A: $i] :
      ~ ( A @ succ @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_ordinal1) ).

thf(1068,plain,
    ! [A: $i] :
      ~ ( A @ succ @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[101]) ).

thf(303,axiom,
    ! [A: $i,B: $i] : ( A @ ( A @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(2495,plain,
    ! [A: $i] : ( A @ ( A @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[303]) ).

thf(103,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(1073,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[103]) ).

thf(126,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( A = B )
          <=> ! [C: $i,D: $i] :
                ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
              <=> ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_relat_1) ).

thf(1205,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( ! [C: $i,D: $i] :
                  ( ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( A @ ( D @ ( C @ ordered_pair ) @ in ) ) )
                  & ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) ) )
             => ( A = B ) )
            & ( ( A = B )
             => ! [C: $i,D: $i] :
                  ( ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( A @ ( D @ ( C @ ordered_pair ) @ in ) ) )
                  & ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[126]) ).

thf(7,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ is_reflexive_in ) )
        <=> ! [C: $i] :
              ( ( B @ ( C @ in ) )
             => ( A @ ( C @ ( C @ ordered_pair ) @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relat_2) ).

thf(408,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i] :
                ( ( B @ ( C @ in ) )
               => ( A @ ( C @ ( C @ ordered_pair ) @ in ) ) )
           => ( B @ ( A @ is_reflexive_in ) ) )
          & ( ( B @ ( A @ is_reflexive_in ) )
           => ! [C: $i] :
                ( ( B @ ( C @ in ) )
               => ( A @ ( C @ ( C @ ordered_pair ) @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(83,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_relset_1) ).

thf(977,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[83]) ).

thf(153,axiom,
    ! [A: $i] :
      ( ( ( A @ identity_relation @ relation_rng )
        = A )
      & ( ( A @ identity_relation @ relation_dom )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t71_relat_1) ).

thf(1422,plain,
    ! [A: $i] :
      ( ( ( A @ identity_relation @ relation_rng )
        = A )
      & ( ( A @ identity_relation @ relation_dom )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[153]) ).

thf(181,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( B
        = ( A @ ( B @ set_difference ) @ ( A @ set_union2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t45_xboole_1) ).

thf(1569,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( B
        = ( A @ ( B @ set_difference ) @ ( A @ set_union2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[181]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ well_orders ) )
        <=> ( ( B @ ( A @ is_well_founded_in ) )
            & ( B @ ( A @ is_connected_in ) )
            & ( B @ ( A @ is_antisymmetric_in ) )
            & ( B @ ( A @ is_transitive_in ) )
            & ( B @ ( A @ is_reflexive_in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_wellord1) ).

thf(378,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ( ( B @ ( A @ is_well_founded_in ) )
              & ( B @ ( A @ is_connected_in ) )
              & ( B @ ( A @ is_antisymmetric_in ) )
              & ( B @ ( A @ is_transitive_in ) )
              & ( B @ ( A @ is_reflexive_in ) ) )
           => ( B @ ( A @ well_orders ) ) )
          & ( ( B @ ( A @ well_orders ) )
           => ( ( B @ ( A @ is_well_founded_in ) )
              & ( B @ ( A @ is_connected_in ) )
              & ( B @ ( A @ is_antisymmetric_in ) )
              & ( B @ ( A @ is_transitive_in ) )
              & ( B @ ( A @ is_reflexive_in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(379,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ! [B: $i] :
            ( ( ( B @ ( A @ is_well_founded_in ) )
              & ( B @ ( A @ is_connected_in ) )
              & ( B @ ( A @ is_antisymmetric_in ) )
              & ( B @ ( A @ is_transitive_in ) )
              & ( B @ ( A @ is_reflexive_in ) ) )
           => ( B @ ( A @ well_orders ) ) )
        & ! [B: $i] :
            ( ( B @ ( A @ well_orders ) )
           => ( ( B @ ( A @ is_well_founded_in ) )
              & ( B @ ( A @ is_connected_in ) )
              & ( B @ ( A @ is_antisymmetric_in ) )
              & ( B @ ( A @ is_transitive_in ) )
              & ( B @ ( A @ is_reflexive_in ) ) ) ) ) ),
    inference(miniscope,[status(thm)],[378]) ).

thf(380,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( C @ ( A @ well_orders ) )
        | ~ ( C @ ( A @ is_well_founded_in ) )
        | ~ ( C @ ( A @ is_connected_in ) )
        | ~ ( C @ ( A @ is_antisymmetric_in ) )
        | ~ ( C @ ( A @ is_transitive_in ) )
        | ~ ( C @ ( A @ is_reflexive_in ) )
        | ~ ( A @ relation ) )
      & ( ( B @ ( A @ is_well_founded_in ) )
        | ~ ( B @ ( A @ well_orders ) )
        | ~ ( A @ relation ) )
      & ( ( B @ ( A @ is_connected_in ) )
        | ~ ( B @ ( A @ well_orders ) )
        | ~ ( A @ relation ) )
      & ( ( B @ ( A @ is_antisymmetric_in ) )
        | ~ ( B @ ( A @ well_orders ) )
        | ~ ( A @ relation ) )
      & ( ( B @ ( A @ is_transitive_in ) )
        | ~ ( B @ ( A @ well_orders ) )
        | ~ ( A @ relation ) )
      & ( ( B @ ( A @ is_reflexive_in ) )
        | ~ ( B @ ( A @ well_orders ) )
        | ~ ( A @ relation ) ) ),
    inference(cnf,[status(esa)],[379]) ).

thf(384,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ is_well_founded_in ) )
      | ~ ( B @ ( A @ well_orders ) )
      | ~ ( A @ relation ) ),
    inference(cnfConj,[status(thm)],[380]) ).

thf(114,axiom,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(1135,plain,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[114]) ).

thf(1136,plain,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(cnf,[status(esa)],[1135]) ).

thf(1137,plain,
    empty_set @ empty,
    inference(cnfConj,[status(thm)],[1136]) ).

thf(321,axiom,
    ! [A: $i] :
      ( ( A != empty_set )
     => ! [B: $i] :
          ( ( A @ powerset @ ( B @ element ) )
         => ! [C: $i] :
              ( ( A @ ( C @ element ) )
             => ( ~ ( B @ ( C @ in ) )
               => ( B @ ( A @ subset_complement ) @ ( C @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t50_subset_1) ).

thf(2607,plain,
    ! [A: $i] :
      ( ( A != empty_set )
     => ! [B: $i] :
          ( ( A @ powerset @ ( B @ element ) )
         => ! [C: $i] :
              ( ( A @ ( C @ element ) )
             => ( ~ ( B @ ( C @ in ) )
               => ( B @ ( A @ subset_complement ) @ ( C @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[321]) ).

thf(121,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ( ( A @ function_inverse )
          = ( A @ relation_inverse ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d9_funct_1) ).

thf(1164,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ( ( A @ function_inverse )
          = ( A @ relation_inverse ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[121]) ).

thf(337,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ! [B: $i] :
            ( ( ( B @ function )
              & ( B @ relation ) )
           => ( ( B
                = ( A @ function_inverse ) )
            <=> ( ! [C: $i,D: $i] :
                    ( ( ( ( C
                          = ( D @ ( A @ apply ) ) )
                        & ( A @ relation_dom @ ( D @ in ) ) )
                     => ( ( D
                          = ( C @ ( B @ apply ) ) )
                        & ( A @ relation_rng @ ( C @ in ) ) ) )
                    & ( ( ( D
                          = ( C @ ( B @ apply ) ) )
                        & ( A @ relation_rng @ ( C @ in ) ) )
                     => ( ( C
                          = ( D @ ( A @ apply ) ) )
                        & ( A @ relation_dom @ ( D @ in ) ) ) ) )
                & ( ( B @ relation_dom )
                  = ( A @ relation_rng ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_funct_1) ).

thf(2712,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ! [B: $i] :
            ( ( ( B @ function )
              & ( B @ relation ) )
           => ( ( ( ! [C: $i,D: $i] :
                      ( ( ( ( C
                            = ( D @ ( A @ apply ) ) )
                          & ( A @ relation_dom @ ( D @ in ) ) )
                       => ( ( D
                            = ( C @ ( B @ apply ) ) )
                          & ( A @ relation_rng @ ( C @ in ) ) ) )
                      & ( ( ( D
                            = ( C @ ( B @ apply ) ) )
                          & ( A @ relation_rng @ ( C @ in ) ) )
                       => ( ( C
                            = ( D @ ( A @ apply ) ) )
                          & ( A @ relation_dom @ ( D @ in ) ) ) ) )
                  & ( ( B @ relation_dom )
                    = ( A @ relation_rng ) ) )
               => ( B
                  = ( A @ function_inverse ) ) )
              & ( ( B
                  = ( A @ function_inverse ) )
               => ( ! [C: $i,D: $i] :
                      ( ( ( ( C
                            = ( D @ ( A @ apply ) ) )
                          & ( A @ relation_dom @ ( D @ in ) ) )
                       => ( ( D
                            = ( C @ ( B @ apply ) ) )
                          & ( A @ relation_rng @ ( C @ in ) ) ) )
                      & ( ( ( D
                            = ( C @ ( B @ apply ) ) )
                          & ( A @ relation_rng @ ( C @ in ) ) )
                       => ( ( C
                            = ( D @ ( A @ apply ) ) )
                          & ( A @ relation_dom @ ( D @ in ) ) ) ) )
                  & ( ( B @ relation_dom )
                    = ( A @ relation_rng ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[337]) ).

thf(260,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B
            = ( A @ relation_dom ) )
        <=> ! [C: $i] :
              ( ( B @ ( C @ in ) )
            <=> ? [D: $i] : ( A @ ( D @ ( C @ ordered_pair ) @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_relat_1) ).

thf(2146,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i] :
                ( ( ? [D: $i] : ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( D @ ( C @ ordered_pair ) @ in ) ) ) )
           => ( B
              = ( A @ relation_dom ) ) )
          & ( ( B
              = ( A @ relation_dom ) )
           => ! [C: $i] :
                ( ( ? [D: $i] : ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( D @ ( C @ ordered_pair ) @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[260]) ).

thf(127,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A = empty_set )
       => ( ( B
            = ( A @ set_meet ) )
        <=> ( B = empty_set ) ) )
      & ( ( A != empty_set )
       => ( ( B
            = ( A @ set_meet ) )
        <=> ! [C: $i] :
              ( ( B @ ( C @ in ) )
            <=> ! [D: $i] :
                  ( ( A @ ( D @ in ) )
                 => ( D @ ( C @ in ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_setfam_1) ).

thf(1222,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = empty_set )
       => ( ( ( B = empty_set )
           => ( B
              = ( A @ set_meet ) ) )
          & ( ( B
              = ( A @ set_meet ) )
           => ( B = empty_set ) ) ) )
      & ( ( A != empty_set )
       => ( ( ! [C: $i] :
                ( ( ! [D: $i] :
                      ( ( A @ ( D @ in ) )
                     => ( D @ ( C @ in ) ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ! [D: $i] :
                      ( ( A @ ( D @ in ) )
                     => ( D @ ( C @ in ) ) ) ) )
           => ( B
              = ( A @ set_meet ) ) )
          & ( ( B
              = ( A @ set_meet ) )
           => ! [C: $i] :
                ( ( ! [D: $i] :
                      ( ( A @ ( D @ in ) )
                     => ( D @ ( C @ in ) ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ! [D: $i] :
                      ( ( A @ ( D @ in ) )
                     => ( D @ ( C @ in ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[127]) ).

thf(162,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( ( B @ relation_rng @ ( A @ in ) )
          & ( B @ one_to_one ) )
       => ( ( A
            = ( A @ ( B @ ( B @ function_inverse @ relation_composition ) @ apply ) ) )
          & ( A
            = ( A @ ( B @ function_inverse @ apply ) @ ( B @ apply ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t57_funct_1) ).

thf(1458,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( ( B @ relation_rng @ ( A @ in ) )
          & ( B @ one_to_one ) )
       => ( ( A
            = ( A @ ( B @ ( B @ function_inverse @ relation_composition ) @ apply ) ) )
          & ( A
            = ( A @ ( B @ function_inverse @ apply ) @ ( B @ apply ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[162]) ).

thf(222,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ proper_subset ) )
    <=> ( ( A != B )
        & ( B @ ( A @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_xboole_0) ).

thf(1867,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( A != B )
          & ( B @ ( A @ subset ) ) )
       => ( B @ ( A @ proper_subset ) ) )
      & ( ( B @ ( A @ proper_subset ) )
       => ( ( A != B )
          & ( B @ ( A @ subset ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[222]) ).

thf(25,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ antisymmetric )
      <=> ! [B: $i,C: $i] :
            ( ( ( A @ ( B @ ( C @ ordered_pair ) @ in ) )
              & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
           => ( B = C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_wellord1) ).

thf(500,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ! [B: $i,C: $i] :
              ( ( ( A @ ( B @ ( C @ ordered_pair ) @ in ) )
                & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
             => ( B = C ) )
         => ( A @ antisymmetric ) )
        & ( ( A @ antisymmetric )
         => ! [B: $i,C: $i] :
              ( ( ( A @ ( B @ ( C @ ordered_pair ) @ in ) )
                & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
             => ( B = C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(107,axiom,
    ? [A: $i] : ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(1094,plain,
    ? [A: $i] : ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[107]) ).

thf(1095,plain,
    sk92 @ empty,
    inference(cnf,[status(esa)],[1094]) ).

thf(124,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ ( A @ subset ) )
          <=> ! [C: $i,D: $i] :
                ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
               => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_relat_1) ).

thf(1196,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( ! [C: $i,D: $i] :
                  ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                 => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
             => ( B @ ( A @ subset ) ) )
            & ( ( B @ ( A @ subset ) )
             => ! [C: $i,D: $i] :
                  ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                 => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[124]) ).

thf(215,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_difference ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

thf(1835,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_difference ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[215]) ).

thf(112,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( A @ ( B @ proper_subset ) )
        & ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_xboole_1) ).

thf(1127,plain,
    ! [A: $i,B: $i] :
      ~ ( ( A @ ( B @ proper_subset ) )
        & ( B @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[112]) ).

thf(156,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_restriction ) )
        = ( A @ ( B @ ( A @ relation_rng_restriction ) @ relation_dom_restriction ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_wellord1) ).

thf(1441,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_restriction ) )
        = ( A @ ( B @ ( A @ relation_rng_restriction ) @ relation_dom_restriction ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[156]) ).

thf(68,axiom,
    ! [A: $i,B: $i] : ( A @ ( A @ equipotent ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r2_wellord2) ).

thf(885,plain,
    ! [A: $i] : ( A @ ( A @ equipotent ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[68]) ).

thf(230,axiom,
    ! [A: $i] : ( A @ powerset @ ( A @ cast_to_subset @ element ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(1935,plain,
    ! [A: $i] : ( A @ powerset @ ( A @ cast_to_subset @ element ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[230]) ).

thf(253,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( C @ relation )
         => ( ( C
              = ( B @ ( A @ relation_dom_restriction ) ) )
          <=> ! [D: $i,E: $i] :
                ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
              <=> ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                  & ( B @ ( D @ in ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d11_relat_1) ).

thf(2067,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( C @ relation )
         => ( ( ! [D: $i,E: $i] :
                  ( ( ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( B @ ( D @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                  & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( B @ ( D @ in ) ) ) ) )
             => ( C
                = ( B @ ( A @ relation_dom_restriction ) ) ) )
            & ( ( C
                = ( B @ ( A @ relation_dom_restriction ) ) )
             => ! [D: $i,E: $i] :
                  ( ( ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( B @ ( D @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                  & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( B @ ( D @ in ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[253]) ).

thf(199,axiom,
    ! [A: $i] :
      ( ( A @ function )
    <=> ! [B: $i,C: $i,D: $i] :
          ( ( ( A @ ( D @ ( B @ ordered_pair ) @ in ) )
            & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
         => ( C = D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_funct_1) ).

thf(1703,plain,
    ! [A: $i] :
      ( ( ! [B: $i,C: $i,D: $i] :
            ( ( ( A @ ( D @ ( B @ ordered_pair ) @ in ) )
              & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
           => ( C = D ) )
       => ( A @ function ) )
      & ( ( A @ function )
       => ! [B: $i,C: $i,D: $i] :
            ( ( ( A @ ( D @ ( B @ ordered_pair ) @ in ) )
              & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
           => ( C = D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[199]) ).

thf(328,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( ( B @ ( A @ ordinal_subset ) )
      <=> ( B @ ( A @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_r1_ordinal1) ).

thf(2654,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( ( ( B @ ( A @ subset ) )
         => ( B @ ( A @ ordinal_subset ) ) )
        & ( ( B @ ( A @ ordinal_subset ) )
         => ( B @ ( A @ subset ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[328]) ).

thf(129,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ~ ( ( ( A @ ( B @ relation_inverse_image ) )
            = empty_set )
          & ( B @ relation_rng @ ( A @ subset ) )
          & ( A != empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t174_relat_1) ).

thf(1287,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ~ ( ( ( A @ ( B @ relation_inverse_image ) )
            = empty_set )
          & ( B @ relation_rng @ ( A @ subset ) )
          & ( A != empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[129]) ).

thf(246,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation )
        & ( A @ function )
        & ( A @ relation ) )
     => ( ( B @ ( A @ relation_composition ) @ function )
        & ( B @ ( A @ relation_composition ) @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_funct_1) ).

thf(2039,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation )
        & ( A @ function )
        & ( A @ relation ) )
     => ( ( B @ ( A @ relation_composition ) @ function )
        & ( B @ ( A @ relation_composition ) @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[246]) ).

thf(194,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( B @ ( C @ fiber ) @ ( B @ ( A @ ( C @ relation_restriction ) @ fiber ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_wellord1) ).

thf(1660,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( B @ ( C @ fiber ) @ ( B @ ( A @ ( C @ relation_restriction ) @ fiber ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[194]) ).

thf(266,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(2217,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[266]) ).

thf(57,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i,D: $i,E: $i] :
          ( ( ? [F: $i,G: $i] :
                ( ( G
                  = ( F @ singleton ) )
                & ( A @ ( F @ in ) )
                & ( ( G @ ( F @ ordered_pair ) )
                  = E ) )
            & ( C = E )
            & ? [F: $i,G: $i] :
                ( ( G
                  = ( F @ singleton ) )
                & ( A @ ( F @ in ) )
                & ( ( G @ ( F @ ordered_pair ) )
                  = D ) )
            & ( C = D ) )
         => ( D = E ) )
     => ? [C: $i] :
        ! [D: $i] :
          ( ( C @ ( D @ in ) )
        <=> ? [E: $i] :
              ( ? [F: $i,G: $i] :
                  ( ( G
                    = ( F @ singleton ) )
                  & ( A @ ( F @ in ) )
                  & ( ( G @ ( F @ ordered_pair ) )
                    = D ) )
              & ( E = D )
              & ( B @ ( A @ cartesian_product2 ) @ ( E @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e16_22__wellord2__2) ).

thf(802,plain,
    ! [A: $i,B: $i] :
      ( ! [C: $i,D: $i,E: $i] :
          ( ( ? [F: $i,G: $i] :
                ( ( G
                  = ( F @ singleton ) )
                & ( A @ ( F @ in ) )
                & ( ( G @ ( F @ ordered_pair ) )
                  = E ) )
            & ( C = E )
            & ? [F: $i,G: $i] :
                ( ( G
                  = ( F @ singleton ) )
                & ( A @ ( F @ in ) )
                & ( ( G @ ( F @ ordered_pair ) )
                  = D ) )
            & ( C = D ) )
         => ( D = E ) )
     => ? [C: $i] :
        ! [D: $i] :
          ( ( ? [E: $i] :
                ( ? [F: $i,G: $i] :
                    ( ( G
                      = ( F @ singleton ) )
                    & ( A @ ( F @ in ) )
                    & ( ( G @ ( F @ ordered_pair ) )
                      = D ) )
                & ( E = D )
                & ( B @ ( A @ cartesian_product2 ) @ ( E @ in ) ) )
           => ( C @ ( D @ in ) ) )
          & ( ( C @ ( D @ in ) )
           => ? [E: $i] :
                ( ? [F: $i,G: $i] :
                    ( ( G
                      = ( F @ singleton ) )
                    & ( A @ ( F @ in ) )
                    & ( ( G @ ( F @ ordered_pair ) )
                      = D ) )
                & ( E = D )
                & ( B @ ( A @ cartesian_product2 ) @ ( E @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[57]) ).

thf(161,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ union_of_subsets ) )
        = ( B @ union ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_setfam_1) ).

thf(1455,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ union_of_subsets ) )
        = ( B @ union ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[161]) ).

thf(315,axiom,
    ( ( empty_set @ ordinal )
    & ( empty_set @ epsilon_connected )
    & ( empty_set @ epsilon_transitive )
    & ( empty_set @ empty )
    & ( empty_set @ one_to_one )
    & ( empty_set @ function )
    & ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_ordinal1) ).

thf(2562,plain,
    ( ( empty_set @ ordinal )
    & ( empty_set @ epsilon_connected )
    & ( empty_set @ epsilon_transitive )
    & ( empty_set @ empty )
    & ( empty_set @ one_to_one )
    & ( empty_set @ function )
    & ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[315]) ).

thf(214,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(1832,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[214]) ).

thf(211,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( A @ ( B @ element ) )
         => ( ( B @ ordinal )
            & ( B @ epsilon_connected )
            & ( B @ epsilon_transitive ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_arytm_3) ).

thf(1792,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( A @ ( B @ element ) )
         => ( ( B @ ordinal )
            & ( B @ epsilon_connected )
            & ( B @ epsilon_transitive ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[211]) ).

thf(154,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ! [C: $i] :
          ~ ( ~ ( B @ ( C @ in ) )
            & ~ ( B @ ( C @ are_equipotent ) )
            & ( B @ ( C @ subset ) ) )
      & ! [C: $i] :
          ( ( B @ ( C @ in ) )
         => ( B @ ( C @ powerset @ in ) ) )
      & ! [C: $i,D: $i] :
          ( ( ( C @ ( D @ subset ) )
            & ( B @ ( C @ in ) ) )
         => ( B @ ( D @ in ) ) )
      & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t136_zfmisc_1) ).

thf(1430,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ! [C: $i] :
          ~ ( ~ ( B @ ( C @ in ) )
            & ~ ( B @ ( C @ are_equipotent ) )
            & ( B @ ( C @ subset ) ) )
      & ! [C: $i] :
          ( ( B @ ( C @ in ) )
         => ( B @ ( C @ powerset @ in ) ) )
      & ! [C: $i,D: $i] :
          ( ( ( C @ ( D @ subset ) )
            & ( B @ ( C @ in ) ) )
         => ( B @ ( D @ in ) ) )
      & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[154]) ).

thf(60,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ~ ( ! [C: $i] :
              ( ( C @ relation )
             => ~ ( A @ ( C @ well_orders ) ) )
          & ( B @ relation_field @ ( A @ equipotent ) )
          & ( B @ well_ordering ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l30_wellord2) ).

thf(853,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ~ ( ! [C: $i] :
              ( ( C @ relation )
             => ~ ( A @ ( C @ well_orders ) ) )
          & ( B @ relation_field @ ( A @ equipotent ) )
          & ( B @ well_ordering ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[60]) ).

thf(343,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_rng @ ( A @ ( B @ relation_image ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t144_relat_1) ).

thf(2767,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_rng @ ( A @ ( B @ relation_image ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[343]) ).

thf(8,axiom,
    ! [A: $i] : ( A @ inclusion_relation @ relation ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_wellord2) ).

thf(416,plain,
    ! [A: $i] : ( A @ inclusion_relation @ relation ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(110,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ powerset @ ( A @ element ) )
    <=> ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(1115,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ subset ) )
       => ( B @ powerset @ ( A @ element ) ) )
      & ( ( B @ powerset @ ( A @ element ) )
       => ( B @ ( A @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[110]) ).

thf(307,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(2520,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[307]) ).

thf(192,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ! [C: $i] :
          ( ( A @ ( C @ in ) )
         => ( ( C @ ( B @ apply ) )
            = ( C @ singleton ) ) )
      & ( ( B @ relation_dom )
        = A )
      & ( B @ function )
      & ( B @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s3_funct_1__e16_22__wellord2) ).

thf(1641,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ! [C: $i] :
          ( ( A @ ( C @ in ) )
         => ( ( C @ ( B @ apply ) )
            = ( C @ singleton ) ) )
      & ( ( B @ relation_dom )
        = A )
      & ( B @ function )
      & ( B @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[192]) ).

thf(207,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ ( A @ relation_composition ) @ relation_rng )
            = ( A @ relation_rng @ ( B @ relation_image ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t160_relat_1) ).

thf(1778,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ ( A @ relation_composition ) @ relation_rng )
            = ( A @ relation_rng @ ( B @ relation_image ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[207]) ).

thf(357,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_finset_1) ).

thf(2829,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[357]) ).

thf(142,axiom,
    ? [A: $i] :
      ( ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_funct_1) ).

thf(1347,plain,
    ? [A: $i] :
      ( ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[142]) ).

thf(182,axiom,
    ! [A: $i] :
      ( ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) )
     => ( A @ ordinal ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_ordinal1) ).

thf(1572,plain,
    ! [A: $i] :
      ( ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) )
     => ( A @ ordinal ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[182]) ).

thf(233,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ antisymmetric )
       => ( A @ ( B @ relation_restriction ) @ antisymmetric ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t25_wellord1) ).

thf(1946,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ antisymmetric )
       => ( A @ ( B @ relation_restriction ) @ antisymmetric ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[233]) ).

thf(243,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ singleton @ subset ) )
    <=> ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l2_zfmisc_1) ).

thf(2027,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ in ) )
       => ( B @ ( A @ singleton @ subset ) ) )
      & ( ( B @ ( A @ singleton @ subset ) )
       => ( B @ ( A @ in ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[243]) ).

thf(147,axiom,
    ! [A: $i] :
      ( ( A @ epsilon_transitive )
    <=> ! [B: $i] :
          ( ( A @ ( B @ in ) )
         => ( A @ ( B @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_ordinal1) ).

thf(1373,plain,
    ! [A: $i] :
      ( ( ! [B: $i] :
            ( ( A @ ( B @ in ) )
           => ( A @ ( B @ subset ) ) )
       => ( A @ epsilon_transitive ) )
      & ( ( A @ epsilon_transitive )
       => ! [B: $i] :
            ( ( A @ ( B @ in ) )
           => ( A @ ( B @ subset ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[147]) ).

thf(1,conjecture,
    ! [A: $i,B: $i] :
      ( ( A @ finite )
     => ( B @ ( A @ set_intersection2 ) @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t15_finset_1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i] :
        ( ( A @ finite )
       => ( B @ ( A @ set_intersection2 ) @ finite ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(373,plain,
    ~ ! [A: $i,B: $i] :
        ( ( A @ finite )
       => ( B @ ( A @ set_intersection2 ) @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(374,plain,
    ~ ! [A: $i] :
        ( ( A @ finite )
       => ! [B: $i] : ( B @ ( A @ set_intersection2 ) @ finite ) ),
    inference(miniscope,[status(thm)],[373]) ).

thf(375,plain,
    ( ~ ( sk2 @ ( sk1 @ set_intersection2 ) @ finite )
    & ( sk1 @ finite ) ),
    inference(cnf,[status(esa)],[374]) ).

thf(376,plain,
    sk1 @ finite,
    inference(cnfConj,[status(thm)],[375]) ).

thf(326,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_rng @ ( B @ ( A @ relation_rng_restriction ) @ relation_rng @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t118_relat_1) ).

thf(2650,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_rng @ ( B @ ( A @ relation_rng_restriction ) @ relation_rng @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[326]) ).

thf(151,axiom,
    ? [A: $i] :
      ( ( A @ natural )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_arytm_3) ).

thf(1413,plain,
    ? [A: $i] :
      ( ( A @ natural )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[151]) ).

thf(1414,plain,
    ( ( sk139 @ natural )
    & ( sk139 @ ordinal )
    & ( sk139 @ epsilon_connected )
    & ( sk139 @ epsilon_transitive )
    & ~ ( sk139 @ empty ) ),
    inference(cnf,[status(esa)],[1413]) ).

thf(1418,plain,
    ~ ( sk139 @ empty ),
    inference(cnfConj,[status(thm)],[1414]) ).

thf(20,axiom,
    ! [A: $i] :
      ( ( A @ cast_to_subset )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_subset_1) ).

thf(485,plain,
    ! [A: $i] :
      ( ( A @ cast_to_subset )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(27,axiom,
    ! [A: $i] : ( A @ succ @ ( A @ in ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_ordinal1) ).

thf(514,plain,
    ! [A: $i] : ( A @ succ @ ( A @ in ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(77,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
    <=> ( B @ ( A @ ( C @ relation_of2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_m2_relset_1) ).

thf(937,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( B @ ( A @ ( C @ relation_of2 ) ) )
       => ( B @ ( A @ ( C @ relation_of2_as_subset ) ) ) )
      & ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
       => ( B @ ( A @ ( C @ relation_of2 ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[77]) ).

thf(312,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ disjoint ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( A @ disjoint ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t63_xboole_1) ).

thf(2555,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ disjoint ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( A @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[312]) ).

thf(72,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ equipotent ) )
    <=> ( B @ ( A @ are_equipotent ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_r2_wellord2) ).

thf(905,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ are_equipotent ) )
       => ( B @ ( A @ equipotent ) ) )
      & ( ( B @ ( A @ equipotent ) )
       => ( B @ ( A @ are_equipotent ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[72]) ).

thf(270,axiom,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(2237,plain,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[270]) ).

thf(1415,plain,
    sk139 @ ordinal,
    inference(cnfConj,[status(thm)],[1414]) ).

thf(137,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(1331,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[137]) ).

thf(1332,plain,
    ( ( sk124 @ relation )
    & ( sk124 @ empty ) ),
    inference(cnf,[status(esa)],[1331]) ).

thf(1334,plain,
    sk124 @ relation,
    inference(cnfConj,[status(thm)],[1332]) ).

thf(42,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_inverse @ relation_inverse )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k4_relat_1) ).

thf(646,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_inverse @ relation_inverse )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(359,axiom,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ( B @ finite )
          & ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_finset_1) ).

thf(2833,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ( B @ finite )
          & ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[359]) ).

thf(48,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ singleton )
        = ( C @ ( B @ unordered_pair ) ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_zfmisc_1) ).

thf(692,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ singleton )
        = ( C @ ( B @ unordered_pair ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(158,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( A @ powerset @ ( C @ ( B @ ( A @ relation_dom_as_subset ) ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relset_1) ).

thf(1447,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( A @ powerset @ ( C @ ( B @ ( A @ relation_dom_as_subset ) ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[158]) ).

thf(226,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( B @ empty )
        & ~ ( A @ empty ) )
     => ~ ( B @ ( A @ cartesian_product2 ) @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_subset_1) ).

thf(1886,plain,
    ! [A: $i,B: $i] :
      ( ( ~ ( B @ empty )
        & ~ ( A @ empty ) )
     => ~ ( B @ ( A @ cartesian_product2 ) @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[226]) ).

thf(309,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( B @ ( A @ in ) )
     => ( B @ ( A @ singleton @ disjoint ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l28_zfmisc_1) ).

thf(2530,plain,
    ! [A: $i,B: $i] :
      ( ~ ( B @ ( A @ in ) )
     => ( B @ ( A @ singleton @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[309]) ).

thf(1348,plain,
    ( ( sk126 @ one_to_one )
    & ( sk126 @ function )
    & ( sk126 @ relation ) ),
    inference(cnf,[status(esa)],[1347]) ).

thf(1351,plain,
    sk126 @ one_to_one,
    inference(cnfConj,[status(thm)],[1348]) ).

thf(340,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(2750,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[340]) ).

thf(125,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ! [B: $i,C: $i] :
            ~ ( A @ ( C @ ( B @ ordered_pair ) @ in ) )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t56_relat_1) ).

thf(1201,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ! [B: $i,C: $i] :
            ~ ( A @ ( C @ ( B @ ordered_pair ) @ in ) )
       => ( A = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[125]) ).

thf(197,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ union @ ordinal )
        & ( A @ union @ epsilon_connected )
        & ( A @ union @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_ordinal1) ).

thf(1696,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ union @ ordinal )
        & ( A @ union @ epsilon_connected )
        & ( A @ union @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[197]) ).

thf(289,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ ( C @ cartesian_product2 ) @ ( B @ ( A @ ordered_pair ) @ in ) )
    <=> ( ( D @ ( B @ in ) )
        & ( C @ ( A @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l55_zfmisc_1) ).

thf(2367,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ( D @ ( B @ in ) )
          & ( C @ ( A @ in ) ) )
       => ( D @ ( C @ cartesian_product2 ) @ ( B @ ( A @ ordered_pair ) @ in ) ) )
      & ( ( D @ ( C @ cartesian_product2 ) @ ( B @ ( A @ ordered_pair ) @ in ) )
       => ( ( D @ ( B @ in ) )
          & ( C @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[289]) ).

thf(297,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( C @ ( B @ ( A @ ordered_pair ) @ in ) )
      <=> ( ( B
            = ( A @ ( C @ apply ) ) )
          & ( C @ relation_dom @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_funct_1) ).

thf(2437,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( ( ( B
              = ( A @ ( C @ apply ) ) )
            & ( C @ relation_dom @ ( A @ in ) ) )
         => ( C @ ( B @ ( A @ ordered_pair ) @ in ) ) )
        & ( ( C @ ( B @ ( A @ ordered_pair ) @ in ) )
         => ( ( B
              = ( A @ ( C @ apply ) ) )
            & ( C @ relation_dom @ ( A @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[297]) ).

thf(139,axiom,
    ? [A: $i] :
      ~ ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(1341,plain,
    ? [A: $i] :
      ~ ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[139]) ).

thf(1342,plain,
    ~ ! [A: $i] : ( A @ empty ),
    inference(miniscope,[status(thm)],[1341]) ).

thf(1343,plain,
    ~ ( sk125 @ empty ),
    inference(cnf,[status(esa)],[1342]) ).

thf(2918,plain,
    ( ( ( sk125 @ empty )
     != ( empty_set @ empty ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[1137,1343]) ).

thf(2919,plain,
    ( ( sk125 @ empty )
   != ( empty_set @ empty ) ),
    inference(simp,[status(thm)],[2918]) ).

thf(2922,plain,
    sk125 != empty_set,
    inference(simp,[status(thm)],[2919]) ).

thf(76,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B
              = ( A @ relation_inverse ) )
          <=> ! [C: $i,D: $i] :
                ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
              <=> ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_relat_1) ).

thf(920,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( ! [C: $i,D: $i] :
                  ( ( ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                   => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
                  & ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) )
             => ( B
                = ( A @ relation_inverse ) ) )
            & ( ( B
                = ( A @ relation_inverse ) )
             => ! [C: $i,D: $i] :
                  ( ( ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                   => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
                  & ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[76]) ).

thf(372,axiom,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_intersection2 ) @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_xboole_1) ).

thf(2910,plain,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_intersection2 ) @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[372]) ).

thf(196,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_ordinal1) ).

thf(1691,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[196]) ).

thf(317,axiom,
    ! [A: $i] :
      ( ( A @ ( empty_set @ set_difference ) )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_boole) ).

thf(2574,plain,
    ! [A: $i] :
      ( ( A @ ( empty_set @ set_difference ) )
      = empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[317]) ).

thf(288,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ in ) )
     => ( ( B @ ( A @ identity_relation @ apply ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t35_funct_1) ).

thf(2364,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ in ) )
     => ( ( B @ ( A @ identity_relation @ apply ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[288]) ).

thf(381,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ is_antisymmetric_in ) )
      | ~ ( B @ ( A @ well_orders ) )
      | ~ ( A @ relation ) ),
    inference(cnfConj,[status(thm)],[380]) ).

thf(228,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( C @ ( B @ set_difference ) @ ( C @ ( A @ set_difference ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_xboole_1) ).

thf(1915,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( C @ ( B @ set_difference ) @ ( C @ ( A @ set_difference ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[228]) ).

thf(209,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( A @ ( B @ ( A @ relation_rng_restriction ) @ relation_rng @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t116_relat_1) ).

thf(1783,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( A @ ( B @ ( A @ relation_rng_restriction ) @ relation_rng @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[209]) ).

thf(348,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ relation_restriction ) )
          = ( B @ ( B @ cartesian_product2 ) @ ( A @ set_intersection2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_wellord1) ).

thf(2790,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ relation_restriction ) )
          = ( B @ ( B @ cartesian_product2 ) @ ( A @ set_intersection2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[348]) ).

thf(330,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ powerset @ ( C @ element ) )
     => ~ ( ( C @ ( B @ in ) )
          & ( C @ ( A @ subset_complement ) @ ( B @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_subset_1) ).

thf(2660,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ powerset @ ( C @ element ) )
     => ~ ( ( C @ ( B @ in ) )
          & ( C @ ( A @ subset_complement ) @ ( B @ in ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[330]) ).

thf(99,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ~ ( ( A @ being_limit_ordinal )
            & ? [B: $i] :
                ( ( A
                  = ( B @ succ ) )
                & ( B @ ordinal ) ) )
        & ~ ( ! [B: $i] :
                ( ( B @ ordinal )
               => ( A
                 != ( B @ succ ) ) )
            & ~ ( A @ being_limit_ordinal ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t42_ordinal1) ).

thf(1057,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ~ ( ( A @ being_limit_ordinal )
            & ? [B: $i] :
                ( ( A
                  = ( B @ succ ) )
                & ( B @ ordinal ) ) )
        & ~ ( ! [B: $i] :
                ( ( B @ ordinal )
               => ( A
                 != ( B @ succ ) ) )
            & ~ ( A @ being_limit_ordinal ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[99]) ).

thf(269,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( A @ ( C @ relation_dom_restriction ) @ relation_dom @ ( B @ in ) )
      <=> ( ( A @ ( B @ in ) )
          & ( C @ relation_dom @ ( B @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l82_funct_1) ).

thf(2232,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( ( ( A @ ( B @ in ) )
            & ( C @ relation_dom @ ( B @ in ) ) )
         => ( A @ ( C @ relation_dom_restriction ) @ relation_dom @ ( B @ in ) ) )
        & ( ( A @ ( C @ relation_dom_restriction ) @ relation_dom @ ( B @ in ) )
         => ( ( A @ ( B @ in ) )
            & ( C @ relation_dom @ ( B @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[269]) ).

thf(280,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ relation_dom @ ( A @ relation_rng @ subset ) )
           => ( ( B @ ( A @ relation_composition ) @ relation_dom )
              = ( A @ relation_dom ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_relat_1) ).

thf(2307,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ relation_dom @ ( A @ relation_rng @ subset ) )
           => ( ( B @ ( A @ relation_composition ) @ relation_dom )
              = ( A @ relation_dom ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[280]) ).

thf(335,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( A @ ( C @ in ) )
         => ( B @ ( C @ in ) ) )
     => ( B @ powerset @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l71_subset_1) ).

thf(2705,plain,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( A @ ( C @ in ) )
         => ( B @ ( C @ in ) ) )
     => ( B @ powerset @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[335]) ).

thf(93,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_union2 ) )
      = ( A @ ( B @ set_union2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

thf(1021,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_union2 ) )
      = ( A @ ( B @ set_union2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[93]) ).

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

thf(1580,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( C @ ( B @ ( A @ ordered_pair ) @ in ) )
       => ( ( C @ relation_rng @ ( B @ in ) )
          & ( C @ relation_dom @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[184]) ).

thf(128,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                  & ( F @ ( E @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) )
              & ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                  & ( F @ ( D @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) ) )
           => ( D = E ) )
       => ? [C: $i] :
            ( ! [D: $i,E: $i] :
                ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
              <=> ( ? [F: $i] :
                      ( ! [G: $i] :
                          ( ( F @ ( G @ in ) )
                         => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                      & ( F @ ( E @ in ) )
                      & ( D = F ) )
                  & ( A @ ( D @ in ) )
                  & ( A @ ( D @ in ) ) ) )
            & ( C @ function )
            & ( C @ relation ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_funct_1__e10_24__wellord2__1) ).

thf(1255,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                  & ( F @ ( E @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) )
              & ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                  & ( F @ ( D @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) ) )
           => ( D = E ) )
       => ? [C: $i] :
            ( ! [D: $i,E: $i] :
                ( ( ( ? [F: $i] :
                        ( ! [G: $i] :
                            ( ( F @ ( G @ in ) )
                           => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                        & ( F @ ( E @ in ) )
                        & ( D = F ) )
                    & ( A @ ( D @ in ) )
                    & ( A @ ( D @ in ) ) )
                 => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                 => ( ? [F: $i] :
                        ( ! [G: $i] :
                            ( ( F @ ( G @ in ) )
                           => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                        & ( F @ ( E @ in ) )
                        & ( D = F ) )
                    & ( A @ ( D @ in ) )
                    & ( A @ ( D @ in ) ) ) ) )
            & ( C @ function )
            & ( C @ relation ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[128]) ).

thf(12,axiom,
    ! [A: $i] : ( A @ inclusion_relation @ reflexive ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_wellord2) ).

thf(424,plain,
    ! [A: $i] : ( A @ inclusion_relation @ reflexive ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(177,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ connected )
       => ( A @ ( B @ relation_restriction ) @ connected ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_wellord1) ).

thf(1560,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ connected )
       => ( A @ ( B @ relation_restriction ) @ connected ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[177]) ).

thf(314,axiom,
    ! [A: $i] : ( A @ ( empty_set @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(2560,plain,
    ! [A: $i] : ( A @ ( empty_set @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[314]) ).

thf(368,axiom,
    ? [A: $i] :
      ( ( A @ finite )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_finset_1) ).

thf(2888,plain,
    ? [A: $i] :
      ( ( A @ finite )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[368]) ).

thf(2889,plain,
    ( ( sk324 @ finite )
    & ~ ( sk324 @ empty ) ),
    inference(cnf,[status(esa)],[2888]) ).

thf(2890,plain,
    ~ ( sk324 @ empty ),
    inference(cnfConj,[status(thm)],[2889]) ).

thf(52,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( B @ ( C @ relation_of2_as_subset ) ) )
     => ( ! [D: $i] :
            ~ ( ! [E: $i] :
                  ~ ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
              & ( B @ ( D @ in ) ) )
      <=> ( ( C @ ( A @ ( B @ relation_dom_as_subset ) ) )
          = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_relset_1) ).

thf(729,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( B @ ( C @ relation_of2_as_subset ) ) )
     => ( ( ( ( C @ ( A @ ( B @ relation_dom_as_subset ) ) )
            = B )
         => ! [D: $i] :
              ~ ( ! [E: $i] :
                    ~ ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                & ( B @ ( D @ in ) ) ) )
        & ( ! [D: $i] :
              ~ ( ! [E: $i] :
                    ~ ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                & ( B @ ( D @ in ) ) )
         => ( ( C @ ( A @ ( B @ relation_dom_as_subset ) ) )
            = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(333,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( A @ powerset @ powerset @ ( B @ ( A @ complements_of_subsets ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_setfam_1) ).

thf(2670,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( A @ powerset @ powerset @ ( B @ ( A @ complements_of_subsets ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[333]) ).

thf(235,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_xboole_1) ).

thf(1951,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[235]) ).

thf(30,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( ! [D: $i] :
            ~ ( ! [E: $i] :
                  ~ ( C @ ( D @ ( E @ ordered_pair ) @ in ) )
              & ( B @ ( D @ in ) ) )
      <=> ( ( C @ ( B @ ( A @ relation_rng_as_subset ) ) )
          = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_relset_1) ).

thf(522,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( ( ( ( C @ ( B @ ( A @ relation_rng_as_subset ) ) )
            = B )
         => ! [D: $i] :
              ~ ( ! [E: $i] :
                    ~ ( C @ ( D @ ( E @ ordered_pair ) @ in ) )
                & ( B @ ( D @ in ) ) ) )
        & ( ! [D: $i] :
              ~ ( ! [E: $i] :
                    ~ ( C @ ( D @ ( E @ ordered_pair ) @ in ) )
                & ( B @ ( D @ in ) ) )
         => ( ( C @ ( B @ ( A @ relation_rng_as_subset ) ) )
            = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(70,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_field @ ( A @ well_orders ) )
      <=> ( A @ well_ordering ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_wellord1) ).

thf(889,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ well_ordering )
         => ( A @ relation_field @ ( A @ well_orders ) ) )
        & ( ( A @ relation_field @ ( A @ well_orders ) )
         => ( A @ well_ordering ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[70]) ).

thf(23,axiom,
    ? [A: $i] :
      ( ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(493,plain,
    ? [A: $i] :
      ( ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(95,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B != empty_set )
       => ( ( B @ ( A @ union_of_subsets ) @ ( A @ cast_to_subset @ ( A @ subset_difference ) ) )
          = ( B @ ( A @ complements_of_subsets ) @ ( A @ meet_of_subsets ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t47_setfam_1) ).

thf(1027,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B != empty_set )
       => ( ( B @ ( A @ union_of_subsets ) @ ( A @ cast_to_subset @ ( A @ subset_difference ) ) )
          = ( B @ ( A @ complements_of_subsets ) @ ( A @ meet_of_subsets ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[95]) ).

thf(204,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_dom @ relation )
        & ( A @ relation_dom @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(1740,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_dom @ relation )
        & ( A @ relation_dom @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[204]) ).

thf(109,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation )
        & ( B @ relation ) )
     => ? [D: $i] :
          ( ! [E: $i,F: $i] :
              ( ( D @ ( F @ ( E @ ordered_pair ) @ in ) )
            <=> ( ( B @ ( F @ ( C @ apply ) @ ( E @ ( C @ apply ) @ ordered_pair ) @ in ) )
                & ( A @ ( F @ in ) )
                & ( A @ ( E @ in ) ) ) )
          & ( D @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_relat_1__e6_21__wellord2) ).

thf(1106,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation )
        & ( B @ relation ) )
     => ? [D: $i] :
          ( ! [E: $i,F: $i] :
              ( ( ( ( B @ ( F @ ( C @ apply ) @ ( E @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( A @ ( F @ in ) )
                  & ( A @ ( E @ in ) ) )
               => ( D @ ( F @ ( E @ ordered_pair ) @ in ) ) )
              & ( ( D @ ( F @ ( E @ ordered_pair ) @ in ) )
               => ( ( B @ ( F @ ( C @ apply ) @ ( E @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( A @ ( F @ in ) )
                  & ( A @ ( E @ in ) ) ) ) )
          & ( D @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[109]) ).

thf(75,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ transitive )
      <=> ( A @ relation_field @ ( A @ is_transitive_in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d16_relat_2) ).

thf(916,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_field @ ( A @ is_transitive_in ) )
         => ( A @ transitive ) )
        & ( ( A @ transitive )
         => ( A @ relation_field @ ( A @ is_transitive_in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[75]) ).

thf(298,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ( ( ! [C: $i] :
              ~ ( ! [D: $i] :
                    ~ ? [E: $i] :
                        ( ! [F: $i] :
                            ( ( E @ ( F @ in ) )
                           => ( B @ ( F @ ( D @ ordered_pair ) @ in ) ) )
                        & ( E @ ( D @ in ) )
                        & ( C = E ) )
                & ( A @ ( C @ in ) ) )
          & ! [C: $i,D: $i,E: $i] :
              ( ( ? [F: $i] :
                    ( ! [G: $i] :
                        ( ( F @ ( G @ in ) )
                       => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                    & ( F @ ( E @ in ) )
                    & ( C = F ) )
                & ? [F: $i] :
                    ( ! [G: $i] :
                        ( ( F @ ( G @ in ) )
                       => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                    & ( F @ ( D @ in ) )
                    & ( C = F ) )
                & ( A @ ( C @ in ) ) )
             => ( D = E ) ) )
       => ? [C: $i] :
            ( ! [D: $i] :
                ( ( A @ ( D @ in ) )
               => ? [E: $i] :
                    ( ! [F: $i] :
                        ( ( E @ ( F @ in ) )
                       => ( B @ ( F @ ( D @ ( C @ apply ) @ ordered_pair ) @ in ) ) )
                    & ( E @ ( D @ ( C @ apply ) @ in ) )
                    & ( D = E ) ) )
            & ( ( C @ relation_dom )
              = A )
            & ( C @ function )
            & ( C @ relation ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s2_funct_1__e10_24__wellord2) ).

thf(2445,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ( ( ! [C: $i] :
              ~ ( ! [D: $i] :
                    ~ ? [E: $i] :
                        ( ! [F: $i] :
                            ( ( E @ ( F @ in ) )
                           => ( B @ ( F @ ( D @ ordered_pair ) @ in ) ) )
                        & ( E @ ( D @ in ) )
                        & ( C = E ) )
                & ( A @ ( C @ in ) ) )
          & ! [C: $i,D: $i,E: $i] :
              ( ( ? [F: $i] :
                    ( ! [G: $i] :
                        ( ( F @ ( G @ in ) )
                       => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                    & ( F @ ( E @ in ) )
                    & ( C = F ) )
                & ? [F: $i] :
                    ( ! [G: $i] :
                        ( ( F @ ( G @ in ) )
                       => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                    & ( F @ ( D @ in ) )
                    & ( C = F ) )
                & ( A @ ( C @ in ) ) )
             => ( D = E ) ) )
       => ? [C: $i] :
            ( ! [D: $i] :
                ( ( A @ ( D @ in ) )
               => ? [E: $i] :
                    ( ! [F: $i] :
                        ( ( E @ ( F @ in ) )
                       => ( B @ ( F @ ( D @ ( C @ apply ) @ ordered_pair ) @ in ) ) )
                    & ( E @ ( D @ ( C @ apply ) @ in ) )
                    & ( D = E ) ) )
            & ( ( C @ relation_dom )
              = A )
            & ( C @ function )
            & ( C @ relation ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[298]) ).

thf(238,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( A @ relation_dom @ ( B @ ( A @ relation_composition ) @ relation_dom @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t44_relat_1) ).

thf(1968,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( A @ relation_dom @ ( B @ ( A @ relation_composition ) @ relation_dom @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[238]) ).

thf(66,axiom,
    ! [A: $i] :
      ( ( A @ singleton )
     != empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

thf(879,plain,
    ! [A: $i] :
      ( ( A @ singleton )
     != empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[66]) ).

thf(1555,plain,
    sk154 @ epsilon_transitive,
    inference(cnfConj,[status(thm)],[1553]) ).

thf(356,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( A @ set_intersection2 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

thf(2826,plain,
    ! [A: $i] :
      ( ( A @ ( A @ set_intersection2 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[356]) ).

thf(354,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_intersection2 ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t28_xboole_1) ).

thf(2820,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_intersection2 ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[354]) ).

thf(227,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i] :
          ( ( B
            = ( A @ relation_rng ) )
        <=> ! [C: $i] :
              ( ( B @ ( C @ in ) )
            <=> ? [D: $i] :
                  ( ( C
                    = ( D @ ( A @ apply ) ) )
                  & ( A @ relation_dom @ ( D @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_funct_1) ).

thf(1888,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i] :
          ( ( ! [C: $i] :
                ( ( ? [D: $i] :
                      ( ( C
                        = ( D @ ( A @ apply ) ) )
                      & ( A @ relation_dom @ ( D @ in ) ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] :
                      ( ( C
                        = ( D @ ( A @ apply ) ) )
                      & ( A @ relation_dom @ ( D @ in ) ) ) ) )
           => ( B
              = ( A @ relation_rng ) ) )
          & ( ( B
              = ( A @ relation_rng ) )
           => ! [C: $i] :
                ( ( ? [D: $i] :
                      ( ( C
                        = ( D @ ( A @ apply ) ) )
                      & ( A @ relation_dom @ ( D @ in ) ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] :
                      ( ( C
                        = ( D @ ( A @ apply ) ) )
                      & ( A @ relation_dom @ ( D @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[227]) ).

thf(132,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ relation_dom_restriction ) @ relation_dom @ ( A @ in ) )
      <=> ( ( C @ relation_dom @ ( A @ in ) )
          & ( B @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t86_relat_1) ).

thf(1296,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( ( ( C @ relation_dom @ ( A @ in ) )
            & ( B @ ( A @ in ) ) )
         => ( B @ ( C @ relation_dom_restriction ) @ relation_dom @ ( A @ in ) ) )
        & ( ( B @ ( C @ relation_dom_restriction ) @ relation_dom @ ( A @ in ) )
         => ( ( C @ relation_dom @ ( A @ in ) )
            & ( B @ ( A @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[132]) ).

thf(344,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( B @ ( A @ relation_dom_restriction ) @ function )
        & ( B @ ( A @ relation_dom_restriction ) @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_funct_1) ).

thf(2769,plain,
    ! [A: $i,B: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( B @ ( A @ relation_dom_restriction ) @ function )
        & ( B @ ( A @ relation_dom_restriction ) @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[344]) ).

thf(90,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( B @ ( A @ set_union2 ) @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(1012,plain,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( B @ ( A @ set_union2 ) @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[90]) ).

thf(1350,plain,
    sk126 @ function,
    inference(cnfConj,[status(thm)],[1348]) ).

thf(172,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( A @ ( C @ ( D @ relation_of2_as_subset ) ) )
     => ( ( B @ ( D @ relation_rng @ subset ) )
       => ( B @ ( C @ ( D @ relation_of2_as_subset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t14_relset_1) ).

thf(1541,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( A @ ( C @ ( D @ relation_of2_as_subset ) ) )
     => ( ( B @ ( D @ relation_rng @ subset ) )
       => ( B @ ( C @ ( D @ relation_of2_as_subset ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[172]) ).

thf(64,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_inverse @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relat_1) ).

thf(874,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_inverse @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[64]) ).

thf(236,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ being_limit_ordinal )
      <=> ! [B: $i] :
            ( ( B @ ordinal )
           => ( ( A @ ( B @ in ) )
             => ( A @ ( B @ succ @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t41_ordinal1) ).

thf(1953,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( ! [B: $i] :
              ( ( B @ ordinal )
             => ( ( A @ ( B @ in ) )
               => ( A @ ( B @ succ @ in ) ) ) )
         => ( A @ being_limit_ordinal ) )
        & ( ( A @ being_limit_ordinal )
         => ! [B: $i] :
              ( ( B @ ordinal )
             => ( ( A @ ( B @ in ) )
               => ( A @ ( B @ succ @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[236]) ).

thf(370,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_image ) )
        = ( A @ ( B @ relation_dom @ set_intersection2 ) @ ( B @ relation_image ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t145_relat_1) ).

thf(2895,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_image ) )
        = ( A @ ( B @ relation_dom @ set_intersection2 ) @ ( B @ relation_image ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[370]) ).

thf(361,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( B @ ( A @ set_intersection2 ) ) )
    <=> ! [D: $i] :
          ( ( C @ ( D @ in ) )
        <=> ( ( B @ ( D @ in ) )
            & ( A @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_xboole_0) ).

thf(2841,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( ( ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) ) ) )
       => ( C
          = ( B @ ( A @ set_intersection2 ) ) ) )
      & ( ( C
          = ( B @ ( A @ set_intersection2 ) ) )
       => ! [D: $i] :
            ( ( ( ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[361]) ).

thf(111,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
    <=> ( B @ ( A @ cartesian_product2 ) @ ( C @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relset_1) ).

thf(1121,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( B @ ( A @ cartesian_product2 ) @ ( C @ subset ) )
       => ( B @ ( A @ ( C @ relation_of2 ) ) ) )
      & ( ( B @ ( A @ ( C @ relation_of2 ) ) )
       => ( B @ ( A @ cartesian_product2 ) @ ( C @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[111]) ).

thf(318,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( B @ ( A @ relation_rng_restriction ) @ function )
        & ( B @ ( A @ relation_rng_restriction ) @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_funct_1) ).

thf(2577,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( B @ ( A @ relation_rng_restriction ) @ function )
        & ( B @ ( A @ relation_rng_restriction ) @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[318]) ).

thf(220,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( ( B @ relation_field @ ( A @ subset ) )
          & ( B @ well_ordering ) )
       => ( ( A @ ( B @ relation_restriction ) @ relation_field )
          = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_wellord1) ).

thf(1856,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( ( B @ relation_field @ ( A @ subset ) )
          & ( B @ well_ordering ) )
       => ( ( A @ ( B @ relation_restriction ) @ relation_field )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[220]) ).

thf(186,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ well_founded_relation )
      <=> ! [B: $i] :
            ~ ( ! [C: $i] :
                  ~ ( ( B @ ( C @ ( A @ fiber ) @ disjoint ) )
                    & ( B @ ( C @ in ) ) )
              & ( B != empty_set )
              & ( A @ relation_field @ ( B @ subset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_wellord1) ).

thf(1587,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ! [B: $i] :
              ~ ( ! [C: $i] :
                    ~ ( ( B @ ( C @ ( A @ fiber ) @ disjoint ) )
                      & ( B @ ( C @ in ) ) )
                & ( B != empty_set )
                & ( A @ relation_field @ ( B @ subset ) ) )
         => ( A @ well_founded_relation ) )
        & ( ( A @ well_founded_relation )
         => ! [B: $i] :
              ~ ( ! [C: $i] :
                    ~ ( ( B @ ( C @ ( A @ fiber ) @ disjoint ) )
                      & ( B @ ( C @ in ) ) )
                & ( B != empty_set )
                & ( A @ relation_field @ ( B @ subset ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[186]) ).

thf(108,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
      <=> ! [B: $i,C: $i] :
            ( ( ( ( B @ ( A @ apply ) )
                = ( C @ ( A @ apply ) ) )
              & ( A @ relation_dom @ ( C @ in ) )
              & ( A @ relation_dom @ ( B @ in ) ) )
           => ( B = C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_funct_1) ).

thf(1096,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( ! [B: $i,C: $i] :
              ( ( ( ( B @ ( A @ apply ) )
                  = ( C @ ( A @ apply ) ) )
                & ( A @ relation_dom @ ( C @ in ) )
                & ( A @ relation_dom @ ( B @ in ) ) )
             => ( B = C ) )
         => ( A @ one_to_one ) )
        & ( ( A @ one_to_one )
         => ! [B: $i,C: $i] :
              ( ( ( ( B @ ( A @ apply ) )
                  = ( C @ ( A @ apply ) ) )
                & ( A @ relation_dom @ ( C @ in ) )
                & ( A @ relation_dom @ ( B @ in ) ) )
             => ( B = C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[108]) ).

thf(4,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( A @ inclusion_relation @ well_ordering ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_wellord2) ).

thf(388,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( A @ inclusion_relation @ well_ordering ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(1138,plain,
    empty_set @ relation,
    inference(cnfConj,[status(thm)],[1136]) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( A @ inclusion_relation @ well_founded_relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_wellord2) ).

thf(420,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( A @ inclusion_relation @ well_founded_relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(86,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ proper_subset ) )
     => ~ ( A @ ( B @ proper_subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_xboole_0) ).

thf(989,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ proper_subset ) )
     => ~ ( A @ ( B @ proper_subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[86]) ).

thf(61,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( B @ ( A @ set_union2 ) @ set_difference ) )
      = ( B @ ( A @ set_difference ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t40_xboole_1) ).

thf(857,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( B @ ( A @ set_union2 ) @ set_difference ) )
      = ( B @ ( A @ set_difference ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[61]) ).

thf(29,axiom,
    ! [A: $i] :
      ~ ( A @ singleton @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(519,plain,
    ! [A: $i] :
      ~ ( A @ singleton @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(54,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B
          = ( A @ inclusion_relation ) )
      <=> ( ! [C: $i,D: $i] :
              ( ( ( A @ ( D @ in ) )
                & ( A @ ( C @ in ) ) )
             => ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
              <=> ( D @ ( C @ subset ) ) ) )
          & ( ( B @ relation_field )
            = A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_wellord2) ).

thf(742,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( ( ! [C: $i,D: $i] :
                ( ( ( A @ ( D @ in ) )
                  & ( A @ ( C @ in ) ) )
               => ( ( ( D @ ( C @ subset ) )
                   => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
                  & ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( D @ ( C @ subset ) ) ) ) )
            & ( ( B @ relation_field )
              = A ) )
         => ( B
            = ( A @ inclusion_relation ) ) )
        & ( ( B
            = ( A @ inclusion_relation ) )
         => ( ! [C: $i,D: $i] :
                ( ( ( A @ ( D @ in ) )
                  & ( A @ ( C @ in ) ) )
               => ( ( ( D @ ( C @ subset ) )
                   => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
                  & ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
                   => ( D @ ( C @ subset ) ) ) ) )
            & ( ( B @ relation_field )
              = A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(35,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( A @ singleton ) )
    <=> ! [C: $i] :
          ( ( B @ ( C @ in ) )
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

thf(578,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( ( C = A )
             => ( B @ ( C @ in ) ) )
            & ( ( B @ ( C @ in ) )
             => ( C = A ) ) )
       => ( B
          = ( A @ singleton ) ) )
      & ( ( B
          = ( A @ singleton ) )
       => ! [C: $i] :
            ( ( ( C = A )
             => ( B @ ( C @ in ) ) )
            & ( ( B @ ( C @ in ) )
             => ( C = A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(291,axiom,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_dom @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(2377,plain,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_dom @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[291]) ).

thf(80,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B != empty_set )
       => ( ( B @ ( A @ complements_of_subsets ) @ ( A @ union_of_subsets ) )
          = ( B @ ( A @ meet_of_subsets ) @ ( A @ cast_to_subset @ ( A @ subset_difference ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_setfam_1) ).

thf(948,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B != empty_set )
       => ( ( B @ ( A @ complements_of_subsets ) @ ( A @ union_of_subsets ) )
          = ( B @ ( A @ meet_of_subsets ) @ ( A @ cast_to_subset @ ( A @ subset_difference ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[80]) ).

thf(350,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_intersection2 ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_relat_1) ).

thf(2801,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_intersection2 ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[350]) ).

thf(336,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ ( A @ relation_rng_restriction ) @ relation_dom_restriction ) )
        = ( B @ ( C @ relation_dom_restriction ) @ ( A @ relation_rng_restriction ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t140_relat_1) ).

thf(2709,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ ( A @ relation_rng_restriction ) @ relation_dom_restriction ) )
        = ( B @ ( C @ relation_dom_restriction ) @ ( A @ relation_rng_restriction ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[336]) ).

thf(239,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( B @ ( C @ relation_composition ) @ relation_dom @ ( A @ in ) )
           => ( ( A @ ( B @ ( C @ relation_composition ) @ apply ) )
              = ( A @ ( C @ apply ) @ ( B @ apply ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_funct_1) ).

thf(1970,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( B @ ( C @ relation_composition ) @ relation_dom @ ( A @ in ) )
           => ( ( A @ ( B @ ( C @ relation_composition ) @ apply ) )
              = ( A @ ( C @ apply ) @ ( B @ apply ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[239]) ).

thf(180,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k8_relat_1) ).

thf(1567,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[180]) ).

thf(136,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(1329,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[136]) ).

thf(365,axiom,
    ! [A: $i] :
      ( ( A @ finite )
     => ! [B: $i] :
          ( ( A @ powerset @ ( B @ element ) )
         => ( B @ finite ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_finset_1) ).

thf(2877,plain,
    ! [A: $i] :
      ( ( A @ finite )
     => ! [B: $i] :
          ( ( A @ powerset @ ( B @ element ) )
         => ( B @ finite ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[365]) ).

thf(21,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_union2 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_boole) ).

thf(488,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_union2 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(362,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( B @ ( A @ subset ) ) )
     => ( A @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t13_finset_1) ).

thf(2868,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( B @ ( A @ subset ) ) )
     => ( A @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[362]) ).

thf(282,axiom,
    ? [A: $i] :
      ( ( A @ empty )
      & ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_partfun1) ).

thf(2312,plain,
    ? [A: $i] :
      ( ( A @ empty )
      & ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[282]) ).

thf(41,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ well_founded_relation )
      <=> ( A @ relation_field @ ( A @ is_well_founded_in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_wellord1) ).

thf(642,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_field @ ( A @ is_well_founded_in ) )
         => ( A @ well_founded_relation ) )
        & ( ( A @ well_founded_relation )
         => ( A @ relation_field @ ( A @ is_well_founded_in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(185,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( C @ singleton @ ( B @ set_difference ) @ ( A @ subset ) )
        | ( A @ ( C @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_zfmisc_1) ).

thf(1584,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( C @ singleton @ ( B @ set_difference ) @ ( A @ subset ) )
        | ( A @ ( C @ in ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[185]) ).

thf(231,axiom,
    ! [A: $i] :
    ? [B: $i] :
    ! [C: $i] :
      ( ( B @ ( C @ in ) )
    <=> ( ( C @ ordinal )
        & ( A @ ( C @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_xboole_0__e6_22__wellord2) ).

thf(1937,plain,
    ! [A: $i] :
    ? [B: $i] :
    ! [C: $i] :
      ( ( ( ( C @ ordinal )
          & ( A @ ( C @ in ) ) )
       => ( B @ ( C @ in ) ) )
      & ( ( B @ ( C @ in ) )
       => ( ( C @ ordinal )
          & ( A @ ( C @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[231]) ).

thf(205,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                  & ( F @ ( E @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) )
              & ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                  & ( F @ ( D @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) ) )
           => ( D = E ) )
       => ? [C: $i] :
          ! [D: $i] :
            ( ( C @ ( D @ in ) )
          <=> ? [E: $i] :
                ( ? [F: $i] :
                    ( ! [G: $i] :
                        ( ( F @ ( G @ in ) )
                       => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                    & ( F @ ( D @ in ) )
                    & ( E = F ) )
                & ( A @ ( E @ in ) )
                & ( A @ ( E @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e10_24__wellord2__1) ).

thf(1744,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( E @ ordered_pair ) @ in ) ) )
                  & ( F @ ( E @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) )
              & ? [F: $i] :
                  ( ! [G: $i] :
                      ( ( F @ ( G @ in ) )
                     => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                  & ( F @ ( D @ in ) )
                  & ( C = F ) )
              & ( A @ ( C @ in ) ) )
           => ( D = E ) )
       => ? [C: $i] :
          ! [D: $i] :
            ( ( ? [E: $i] :
                  ( ? [F: $i] :
                      ( ! [G: $i] :
                          ( ( F @ ( G @ in ) )
                         => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                      & ( F @ ( D @ in ) )
                      & ( E = F ) )
                  & ( A @ ( E @ in ) )
                  & ( A @ ( E @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ? [E: $i] :
                  ( ? [F: $i] :
                      ( ! [G: $i] :
                          ( ( F @ ( G @ in ) )
                         => ( B @ ( G @ ( D @ ordered_pair ) @ in ) ) )
                      & ( F @ ( D @ in ) )
                      & ( E = F ) )
                  & ( A @ ( E @ in ) )
                  & ( A @ ( E @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[205]) ).

thf(1419,plain,
    sk139 @ natural,
    inference(cnfConj,[status(thm)],[1414]) ).

thf(171,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ reflexive )
       => ( A @ ( B @ relation_restriction ) @ reflexive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_wellord1) ).

thf(1539,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ reflexive )
       => ( A @ ( B @ relation_restriction ) @ reflexive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[171]) ).

thf(302,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ~ ( ! [C: $i] :
              ( ( C @ ordinal )
             => ~ ( ! [D: $i] :
                      ( ( D @ ordinal )
                     => ( ( A @ ( D @ in ) )
                       => ( D @ ( C @ ordinal_subset ) ) ) )
                  & ( A @ ( C @ in ) ) ) )
          & ( A != empty_set )
          & ( B @ ( A @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t32_ordinal1) ).

thf(2487,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ~ ( ! [C: $i] :
              ( ( C @ ordinal )
             => ~ ( ! [D: $i] :
                      ( ( D @ ordinal )
                     => ( ( A @ ( D @ in ) )
                       => ( D @ ( C @ ordinal_subset ) ) ) )
                  & ( A @ ( C @ in ) ) ) )
          & ( A != empty_set )
          & ( B @ ( A @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[302]) ).

thf(44,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( B @ ordinal )
         => ( ( B @ ( A @ in ) )
          <=> ( B @ ( A @ succ @ ordinal_subset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_ordinal1) ).

thf(654,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( B @ ordinal )
         => ( ( ( B @ ( A @ succ @ ordinal_subset ) )
             => ( B @ ( A @ in ) ) )
            & ( ( B @ ( A @ in ) )
             => ( B @ ( A @ succ @ ordinal_subset ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(319,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation )
        & ( B @ relation ) )
     => ( ! [D: $i,E: $i,F: $i] :
            ( ( ? [G: $i,H: $i] :
                  ( ( B @ ( H @ ( C @ apply ) @ ( G @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( F
                    = ( H @ ( G @ ordered_pair ) ) ) )
              & ( D = F )
              & ? [G: $i,H: $i] :
                  ( ( B @ ( H @ ( C @ apply ) @ ( G @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( E
                    = ( H @ ( G @ ordered_pair ) ) ) )
              & ( D = E ) )
           => ( E = F ) )
       => ? [D: $i] :
          ! [E: $i] :
            ( ( D @ ( E @ in ) )
          <=> ? [F: $i] :
                ( ? [G: $i,H: $i] :
                    ( ( B @ ( H @ ( C @ apply ) @ ( G @ ( C @ apply ) @ ordered_pair ) @ in ) )
                    & ( E
                      = ( H @ ( G @ ordered_pair ) ) ) )
                & ( F = E )
                & ( A @ ( A @ cartesian_product2 ) @ ( F @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e6_21__wellord2__1) ).

thf(2581,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation )
        & ( B @ relation ) )
     => ( ! [D: $i,E: $i,F: $i] :
            ( ( ? [G: $i,H: $i] :
                  ( ( B @ ( H @ ( C @ apply ) @ ( G @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( F
                    = ( H @ ( G @ ordered_pair ) ) ) )
              & ( D = F )
              & ? [G: $i,H: $i] :
                  ( ( B @ ( H @ ( C @ apply ) @ ( G @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( E
                    = ( H @ ( G @ ordered_pair ) ) ) )
              & ( D = E ) )
           => ( E = F ) )
       => ? [D: $i] :
          ! [E: $i] :
            ( ( ? [F: $i] :
                  ( ? [G: $i,H: $i] :
                      ( ( B @ ( H @ ( C @ apply ) @ ( G @ ( C @ apply ) @ ordered_pair ) @ in ) )
                      & ( E
                        = ( H @ ( G @ ordered_pair ) ) ) )
                  & ( F = E )
                  & ( A @ ( A @ cartesian_product2 ) @ ( F @ in ) ) )
             => ( D @ ( E @ in ) ) )
            & ( ( D @ ( E @ in ) )
             => ? [F: $i] :
                  ( ? [G: $i,H: $i] :
                      ( ( B @ ( H @ ( C @ apply ) @ ( G @ ( C @ apply ) @ ordered_pair ) @ in ) )
                      & ( E
                        = ( H @ ( G @ ordered_pair ) ) ) )
                  & ( F = E )
                  & ( A @ ( A @ cartesian_product2 ) @ ( F @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[319]) ).

thf(73,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_union2 ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_xboole_1) ).

thf(911,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_union2 ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[73]) ).

thf(304,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(2497,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[304]) ).

thf(187,axiom,
    ! [A: $i] :
      ( ! [B: $i] :
          ( ( A @ ( B @ in ) )
         => ( ( A @ ( B @ subset ) )
            & ( B @ ordinal ) ) )
     => ( A @ ordinal ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t31_ordinal1) ).

thf(1599,plain,
    ! [A: $i] :
      ( ! [B: $i] :
          ( ( A @ ( B @ in ) )
         => ( ( A @ ( B @ subset ) )
            & ( B @ ordinal ) ) )
     => ( A @ ordinal ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[187]) ).

thf(200,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ relation )
     => ( B @ ( A @ relation_dom_restriction ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_relat_1) ).

thf(1715,plain,
    ! [A: $i,B: $i] :
      ( ( A @ relation )
     => ( B @ ( A @ relation_dom_restriction ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[200]) ).

thf(190,axiom,
    ! [A: $i] :
      ~ ( A @ powerset @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(1627,plain,
    ! [A: $i] :
      ~ ( A @ powerset @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[190]) ).

thf(272,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ? [F: $i] :
                  ( ( A @ ( F @ in ) )
                  & ( E = F )
                  & ( F @ ordinal ) )
              & ( C = E )
              & ? [F: $i] :
                  ( ( A @ ( F @ in ) )
                  & ( D = F )
                  & ( F @ ordinal ) )
              & ( C = D ) )
           => ( D = E ) )
       => ? [C: $i] :
          ! [D: $i] :
            ( ( C @ ( D @ in ) )
          <=> ? [E: $i] :
                ( ? [F: $i] :
                    ( ( A @ ( F @ in ) )
                    & ( D = F )
                    & ( F @ ordinal ) )
                & ( E = D )
                & ( B @ succ @ ( E @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e8_6__wellord2__1) ).

thf(2243,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ? [F: $i] :
                  ( ( A @ ( F @ in ) )
                  & ( E = F )
                  & ( F @ ordinal ) )
              & ( C = E )
              & ? [F: $i] :
                  ( ( A @ ( F @ in ) )
                  & ( D = F )
                  & ( F @ ordinal ) )
              & ( C = D ) )
           => ( D = E ) )
       => ? [C: $i] :
          ! [D: $i] :
            ( ( ? [E: $i] :
                  ( ? [F: $i] :
                      ( ( A @ ( F @ in ) )
                      & ( D = F )
                      & ( F @ ordinal ) )
                  & ( E = D )
                  & ( B @ succ @ ( E @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ? [E: $i] :
                  ( ? [F: $i] :
                      ( ( A @ ( F @ in ) )
                      & ( D = F )
                      & ( F @ ordinal ) )
                  & ( E = D )
                  & ( B @ succ @ ( E @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[272]) ).

thf(1333,plain,
    sk124 @ empty,
    inference(cnfConj,[status(thm)],[1332]) ).

thf(347,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( A @ ( A @ ( B @ relation_inverse_image ) @ ( B @ relation_image ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t145_funct_1) ).

thf(2788,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( A @ ( A @ ( B @ relation_inverse_image ) @ ( B @ relation_image ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[347]) ).

thf(377,plain,
    ~ ( sk2 @ ( sk1 @ set_intersection2 ) @ finite ),
    inference(cnfConj,[status(thm)],[375]) ).

thf(2924,plain,
    ( ( ( sk2 @ ( sk1 @ set_intersection2 ) @ finite )
     != ( sk1 @ finite ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[376,377]) ).

thf(2925,plain,
    ( ( sk2 @ ( sk1 @ set_intersection2 ) @ finite )
   != ( sk1 @ finite ) ),
    inference(simp,[status(thm)],[2924]) ).

thf(2926,plain,
    ( ( sk2 @ ( sk1 @ set_intersection2 ) )
   != sk1 ),
    inference(simp,[status(thm)],[2925]) ).

thf(1692,plain,
    ( ( sk168 @ ordinal )
    & ( sk168 @ epsilon_connected )
    & ( sk168 @ epsilon_transitive ) ),
    inference(cnf,[status(esa)],[1691]) ).

thf(1695,plain,
    sk168 @ ordinal,
    inference(cnfConj,[status(thm)],[1692]) ).

thf(219,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation )
        & ( B @ relation ) )
     => ? [D: $i] :
        ! [E: $i] :
          ( ( D @ ( E @ in ) )
        <=> ( ? [F: $i,G: $i] :
                ( ( B @ ( G @ ( C @ apply ) @ ( F @ ( C @ apply ) @ ordered_pair ) @ in ) )
                & ( E
                  = ( G @ ( F @ ordered_pair ) ) ) )
            & ( A @ ( A @ cartesian_product2 ) @ ( E @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_xboole_0__e6_21__wellord2__1) ).

thf(1846,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation )
        & ( B @ relation ) )
     => ? [D: $i] :
        ! [E: $i] :
          ( ( ( ? [F: $i,G: $i] :
                  ( ( B @ ( G @ ( C @ apply ) @ ( F @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( E
                    = ( G @ ( F @ ordered_pair ) ) ) )
              & ( A @ ( A @ cartesian_product2 ) @ ( E @ in ) ) )
           => ( D @ ( E @ in ) ) )
          & ( ( D @ ( E @ in ) )
           => ( ? [F: $i,G: $i] :
                  ( ( B @ ( G @ ( C @ apply ) @ ( F @ ( C @ apply ) @ ordered_pair ) @ in ) )
                  & ( E
                    = ( G @ ( F @ ordered_pair ) ) ) )
              & ( A @ ( A @ cartesian_product2 ) @ ( E @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[219]) ).

thf(98,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B
          = ( A @ identity_relation ) )
      <=> ! [C: $i,D: $i] :
            ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
          <=> ( ( C = D )
              & ( A @ ( C @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_relat_1) ).

thf(1035,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( ! [C: $i,D: $i] :
              ( ( ( ( C = D )
                  & ( A @ ( C @ in ) ) )
               => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
              & ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
               => ( ( C = D )
                  & ( A @ ( C @ in ) ) ) ) )
         => ( B
            = ( A @ identity_relation ) ) )
        & ( ( B
            = ( A @ identity_relation ) )
         => ! [C: $i,D: $i] :
              ( ( ( ( C = D )
                  & ( A @ ( C @ in ) ) )
               => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
              & ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
               => ( ( C = D )
                  & ( A @ ( C @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[98]) ).

thf(267,axiom,
    ! [A: $i] :
      ( ? [B: $i] :
          ( ( A @ ( B @ in ) )
          & ( B @ ordinal ) )
     => ? [B: $i] :
          ( ! [C: $i] :
              ( ( C @ ordinal )
             => ( ( A @ ( C @ in ) )
               => ( C @ ( B @ ordinal_subset ) ) ) )
          & ( A @ ( B @ in ) )
          & ( B @ ordinal ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_ordinal1__e8_6__wellord2) ).

thf(2221,plain,
    ! [A: $i] :
      ( ? [B: $i] :
          ( ( A @ ( B @ in ) )
          & ( B @ ordinal ) )
     => ? [B: $i] :
          ( ! [C: $i] :
              ( ( C @ ordinal )
             => ( ( A @ ( C @ in ) )
               => ( C @ ( B @ ordinal_subset ) ) ) )
          & ( A @ ( B @ in ) )
          & ( B @ ordinal ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[267]) ).

thf(122,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_relat_1) ).

thf(1167,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[122]) ).

thf(325,axiom,
    ( ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(2645,plain,
    ( ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[325]) ).

thf(331,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ well_founded_relation )
       => ( A @ ( B @ relation_restriction ) @ well_founded_relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t31_wellord1) ).

thf(2662,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ well_founded_relation )
       => ( A @ ( B @ relation_restriction ) @ well_founded_relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[331]) ).

thf(46,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( B @ ( A @ unordered_pair ) ) )
    <=> ! [D: $i] :
          ( ( C @ ( D @ in ) )
        <=> ( ( D = B )
            | ( D = A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

thf(662,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( ( ( D = B )
                | ( D = A ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ( D = B )
                | ( D = A ) ) ) )
       => ( C
          = ( B @ ( A @ unordered_pair ) ) ) )
      & ( ( C
          = ( B @ ( A @ unordered_pair ) ) )
       => ! [D: $i] :
            ( ( ( ( D = B )
                | ( D = A ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ( D = B )
                | ( D = A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(247,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ function ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_funct_1) ).

thf(2043,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ function ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[247]) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ transitive )
      <=> ! [B: $i,C: $i,D: $i] :
            ( ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
              & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
           => ( A @ ( D @ ( B @ ordered_pair ) @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l2_wellord1) ).

thf(508,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ! [B: $i,C: $i,D: $i] :
              ( ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
             => ( A @ ( D @ ( B @ ordered_pair ) @ in ) ) )
         => ( A @ transitive ) )
        & ( ( A @ transitive )
         => ! [B: $i,C: $i,D: $i] :
              ( ( ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                & ( A @ ( C @ ( B @ ordered_pair ) @ in ) ) )
             => ( A @ ( D @ ( B @ ordered_pair ) @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(164,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(1466,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[164]) ).

thf(102,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( B @ ( C @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( B @ ( C @ ( A @ set_union2 ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_xboole_1) ).

thf(1071,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( B @ ( C @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( B @ ( C @ ( A @ set_union2 ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[102]) ).

thf(349,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ disjoint ) )
    <=> ( ( B @ ( A @ set_intersection2 ) )
        = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_xboole_0) ).

thf(2793,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( B @ ( A @ set_intersection2 ) )
          = empty_set )
       => ( B @ ( A @ disjoint ) ) )
      & ( ( B @ ( A @ disjoint ) )
       => ( ( B @ ( A @ set_intersection2 ) )
          = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[349]) ).

thf(254,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( D @ ( C @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( D @ ( B @ cartesian_product2 ) @ ( C @ ( A @ cartesian_product2 ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t119_zfmisc_1) ).

thf(2089,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( D @ ( C @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( D @ ( B @ cartesian_product2 ) @ ( C @ ( A @ cartesian_product2 ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[254]) ).

thf(276,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) )
      <=> ( ( C @ relation_rng @ ( A @ in ) )
          & ( B @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t115_relat_1) ).

thf(2292,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( ( ( C @ relation_rng @ ( A @ in ) )
            & ( B @ ( A @ in ) ) )
         => ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) ) )
        & ( ( C @ ( B @ relation_rng_restriction ) @ relation_rng @ ( A @ in ) )
         => ( ( C @ relation_rng @ ( A @ in ) )
            & ( B @ ( A @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[276]) ).

thf(237,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ( A @ empty )
      & ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_ordinal1) ).

thf(1959,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ( A @ empty )
      & ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[237]) ).

thf(244,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ complements_of_subsets ) @ ( A @ complements_of_subsets ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k7_setfam_1) ).

thf(2033,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ complements_of_subsets ) @ ( A @ complements_of_subsets ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[244]) ).

thf(133,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( A @ powerset @ ( B @ ( A @ union_of_subsets ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_setfam_1) ).

thf(1301,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( A @ powerset @ ( B @ ( A @ union_of_subsets ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[133]) ).

thf(47,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( A @ set_union2 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

thf(689,plain,
    ! [A: $i] :
      ( ( A @ ( A @ set_union2 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(308,axiom,
    ! [A: $i] :
      ( ( ( A @ ordinal )
        & ( A @ empty ) )
     => ( ( A @ natural )
        & ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_arytm_3) ).

thf(2524,plain,
    ! [A: $i] :
      ( ( ( A @ ordinal )
        & ( A @ empty ) )
     => ( ( A @ natural )
        & ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[308]) ).

thf(88,axiom,
    ! [A: $i] : ( A @ identity_relation @ relation ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_relat_1) ).

thf(1007,plain,
    ! [A: $i] : ( A @ identity_relation @ relation ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[88]) ).

thf(249,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ ( A @ unordered_pair ) @ subset ) )
    <=> ( ( C @ ( B @ in ) )
        & ( C @ ( A @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t38_zfmisc_1) ).

thf(2048,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( B @ in ) )
          & ( C @ ( A @ in ) ) )
       => ( C @ ( B @ ( A @ unordered_pair ) @ subset ) ) )
      & ( ( C @ ( B @ ( A @ unordered_pair ) @ subset ) )
       => ( ( C @ ( B @ in ) )
          & ( C @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[249]) ).

thf(225,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( A @ powerset @ ( B @ ( A @ meet_of_subsets ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_setfam_1) ).

thf(1884,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( A @ powerset @ ( B @ ( A @ meet_of_subsets ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[225]) ).

thf(306,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ succ @ ordinal )
        & ( A @ succ @ epsilon_connected )
        & ( A @ succ @ epsilon_transitive )
        & ~ ( A @ succ @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_ordinal1) ).

thf(2514,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ succ @ ordinal )
        & ( A @ succ @ epsilon_connected )
        & ( A @ succ @ epsilon_transitive )
        & ~ ( A @ succ @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[306]) ).

thf(170,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_ordinal1) ).

thf(1535,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[170]) ).

thf(198,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( B @ ( A @ relation_rng_restriction ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t117_relat_1) ).

thf(1701,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( B @ ( A @ relation_rng_restriction ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[198]) ).

thf(33,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( B @ ( A @ relation_inverse_image ) ) )
        <=> ! [D: $i] :
              ( ( C @ ( D @ in ) )
            <=> ? [E: $i] :
                  ( ( B @ ( E @ in ) )
                  & ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d14_relat_1) ).

thf(545,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( ! [D: $i] :
                ( ( ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) ) ) )
           => ( C
              = ( B @ ( A @ relation_inverse_image ) ) ) )
          & ( ( C
              = ( B @ ( A @ relation_inverse_image ) ) )
           => ! [D: $i] :
                ( ( ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(115,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) )
     => ( C @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relset_1) ).

thf(1139,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) )
     => ( C @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[115]) ).

thf(382,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ is_connected_in ) )
      | ~ ( B @ ( A @ well_orders ) )
      | ~ ( A @ relation ) ),
    inference(cnfConj,[status(thm)],[380]) ).

thf(34,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] :
      ( ( B @ ( A @ ( C @ quasi_total ) ) )
      & ( C @ function )
      & ( C @ relation )
      & ( B @ ( A @ ( C @ relation_of2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_2) ).

thf(572,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] :
      ( ( B @ ( A @ ( C @ quasi_total ) ) )
      & ( C @ function )
      & ( C @ relation )
      & ( B @ ( A @ ( C @ relation_of2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(250,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ function_inverse @ function )
        & ( A @ function_inverse @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_funct_1) ).

thf(2055,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ function_inverse @ function )
        & ( A @ function_inverse @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[250]) ).

thf(313,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ subset_complement ) )
        = ( B @ ( A @ set_difference ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_subset_1) ).

thf(2557,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ subset_complement ) )
        = ( B @ ( A @ set_difference ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[313]) ).

thf(163,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( ( A @ ( B @ ordinal_subset ) )
        | ( B @ ( A @ ordinal_subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',connectedness_r1_ordinal1) ).

thf(1464,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( ( A @ ( B @ ordinal_subset ) )
        | ( B @ ( A @ ordinal_subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[163]) ).

thf(144,axiom,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ~ ( ! [B: $i] :
              ( ( ( B @ function )
                & ( B @ relation ) )
             => ~ ( ! [C: $i] :
                      ( ( A @ ( C @ in ) )
                     => ( C @ ( C @ ( B @ apply ) @ in ) ) )
                  & ( ( B @ relation_dom )
                    = A ) ) )
          & ! [B: $i] :
              ~ ( ( B = empty_set )
                & ( A @ ( B @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t28_wellord2) ).

thf(1356,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ~ ( ! [B: $i] :
              ( ( ( B @ function )
                & ( B @ relation ) )
             => ~ ( ! [C: $i] :
                      ( ( A @ ( C @ in ) )
                     => ( C @ ( C @ ( B @ apply ) @ in ) ) )
                  & ( ( B @ relation_dom )
                    = A ) ) )
          & ! [B: $i] :
              ~ ( ( B = empty_set )
                & ( A @ ( B @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[144]) ).

thf(6,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( A @ inclusion_relation @ connected ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_wellord2) ).

thf(406,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( A @ inclusion_relation @ connected ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(299,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_dom @ ( B @ ( A @ relation_rng_restriction ) @ relation_dom @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l29_wellord1) ).

thf(2478,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_dom @ ( B @ ( A @ relation_rng_restriction ) @ relation_dom @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[299]) ).

thf(323,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ relation_image ) @ ( A @ in ) )
      <=> ? [D: $i] :
            ( ( B @ ( D @ in ) )
            & ( C @ ( A @ ( D @ ordered_pair ) @ in ) )
            & ( C @ relation_dom @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t143_relat_1) ).

thf(2637,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( ? [D: $i] :
              ( ( B @ ( D @ in ) )
              & ( C @ ( A @ ( D @ ordered_pair ) @ in ) )
              & ( C @ relation_dom @ ( D @ in ) ) )
         => ( B @ ( C @ relation_image ) @ ( A @ in ) ) )
        & ( ( B @ ( C @ relation_image ) @ ( A @ in ) )
         => ? [D: $i] :
              ( ( B @ ( D @ in ) )
              & ( C @ ( A @ ( D @ ordered_pair ) @ in ) )
              & ( C @ relation_dom @ ( D @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[323]) ).

thf(183,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ singleton @ subset ) )
    <=> ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_zfmisc_1) ).

thf(1574,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ in ) )
       => ( B @ ( A @ singleton @ subset ) ) )
      & ( ( B @ ( A @ singleton @ subset ) )
       => ( B @ ( A @ in ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[183]) ).

thf(1349,plain,
    sk126 @ relation,
    inference(cnfConj,[status(thm)],[1348]) ).

thf(117,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc3_ordinal1) ).

thf(1144,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[117]) ).

thf(43,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ well_orders ) )
       => ( ( A @ ( B @ relation_restriction ) @ well_ordering )
          & ( ( A @ ( B @ relation_restriction ) @ relation_field )
            = A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t25_wellord2) ).

thf(649,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ well_orders ) )
       => ( ( A @ ( B @ relation_restriction ) @ well_ordering )
          & ( ( A @ ( B @ relation_restriction ) @ relation_field )
            = A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(252,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_m2_relset_1) ).

thf(2065,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[252]) ).

thf(84,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
               => ( ( ( A @ well_founded_relation )
                   => ( B @ well_founded_relation ) )
                  & ( ( A @ antisymmetric )
                   => ( B @ antisymmetric ) )
                  & ( ( A @ connected )
                   => ( B @ connected ) )
                  & ( ( A @ transitive )
                   => ( B @ transitive ) )
                  & ( ( A @ reflexive )
                   => ( B @ reflexive ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t53_wellord1) ).

thf(979,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
               => ( ( ( A @ well_founded_relation )
                   => ( B @ well_founded_relation ) )
                  & ( ( A @ antisymmetric )
                   => ( B @ antisymmetric ) )
                  & ( ( A @ connected )
                   => ( B @ connected ) )
                  & ( ( A @ transitive )
                   => ( B @ transitive ) )
                  & ( ( A @ reflexive )
                   => ( B @ reflexive ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[84]) ).

thf(37,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ ordered_pair ) )
      = ( A @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_tarski) ).

thf(604,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ ordered_pair ) )
      = ( A @ singleton @ ( B @ ( A @ unordered_pair ) @ unordered_pair ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(188,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ! [C: $i] :
          ( ( A @ powerset @ powerset @ ( C @ element ) )
         => ( ( C
              = ( B @ ( A @ complements_of_subsets ) ) )
          <=> ! [D: $i] :
                ( ( A @ powerset @ ( D @ element ) )
               => ( ( C @ ( D @ in ) )
                <=> ( B @ ( D @ ( A @ subset_complement ) @ in ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_setfam_1) ).

thf(1603,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ! [C: $i] :
          ( ( A @ powerset @ powerset @ ( C @ element ) )
         => ( ( ! [D: $i] :
                  ( ( A @ powerset @ ( D @ element ) )
                 => ( ( ( B @ ( D @ ( A @ subset_complement ) @ in ) )
                     => ( C @ ( D @ in ) ) )
                    & ( ( C @ ( D @ in ) )
                     => ( B @ ( D @ ( A @ subset_complement ) @ in ) ) ) ) )
             => ( C
                = ( B @ ( A @ complements_of_subsets ) ) ) )
            & ( ( C
                = ( B @ ( A @ complements_of_subsets ) ) )
             => ! [D: $i] :
                  ( ( A @ powerset @ ( D @ element ) )
                 => ( ( ( B @ ( D @ ( A @ subset_complement ) @ in ) )
                     => ( C @ ( D @ in ) ) )
                    & ( ( C @ ( D @ in ) )
                     => ( B @ ( D @ ( A @ subset_complement ) @ in ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[188]) ).

thf(278,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ ( A @ in ) )
        & ( B @ ( A @ singleton @ disjoint ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l25_zfmisc_1) ).

thf(2299,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ ( A @ in ) )
        & ( B @ ( A @ singleton @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[278]) ).

thf(36,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ relation )
     => ( ( D @ ( C @ identity_relation @ relation_composition ) @ ( B @ ( A @ ordered_pair ) @ in ) )
      <=> ( ( D @ ( B @ ( A @ ordered_pair ) @ in ) )
          & ( C @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t74_relat_1) ).

thf(599,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ relation )
     => ( ( ( ( D @ ( B @ ( A @ ordered_pair ) @ in ) )
            & ( C @ ( A @ in ) ) )
         => ( D @ ( C @ identity_relation @ relation_composition ) @ ( B @ ( A @ ordered_pair ) @ in ) ) )
        & ( ( D @ ( C @ identity_relation @ relation_composition ) @ ( B @ ( A @ ordered_pair ) @ in ) )
         => ( ( D @ ( B @ ( A @ ordered_pair ) @ in ) )
            & ( C @ ( A @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(363,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_intersection2 ) )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_boole) ).

thf(2871,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_intersection2 ) )
      = empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[363]) ).

thf(155,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ powerset @ ( C @ element ) )
        & ( A @ powerset @ ( B @ element ) ) )
     => ( A @ powerset @ ( C @ ( B @ ( A @ subset_difference ) ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_subset_1) ).

thf(1439,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ powerset @ ( C @ element ) )
        & ( A @ powerset @ ( B @ element ) ) )
     => ( A @ powerset @ ( C @ ( B @ ( A @ subset_difference ) ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[155]) ).

thf(19,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ well_ordering )
      <=> ( ( A @ well_founded_relation )
          & ( A @ connected )
          & ( A @ antisymmetric )
          & ( A @ transitive )
          & ( A @ reflexive ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_wellord1) ).

thf(477,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( ( A @ well_founded_relation )
            & ( A @ connected )
            & ( A @ antisymmetric )
            & ( A @ transitive )
            & ( A @ reflexive ) )
         => ( A @ well_ordering ) )
        & ( ( A @ well_ordering )
         => ( ( A @ well_founded_relation )
            & ( A @ connected )
            & ( A @ antisymmetric )
            & ( A @ transitive )
            & ( A @ reflexive ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(105,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ set_difference ) )
        = empty_set )
    <=> ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_xboole_1) ).

thf(1080,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ subset ) )
       => ( ( B @ ( A @ set_difference ) )
          = empty_set ) )
      & ( ( ( B @ ( A @ set_difference ) )
          = empty_set )
       => ( B @ ( A @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[105]) ).

thf(338,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( B @ ( C @ relation_composition ) @ relation_dom @ ( A @ in ) )
          <=> ( ( B @ relation_dom @ ( A @ ( C @ apply ) @ in ) )
              & ( C @ relation_dom @ ( A @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_funct_1) ).

thf(2742,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( ( ( B @ relation_dom @ ( A @ ( C @ apply ) @ in ) )
                & ( C @ relation_dom @ ( A @ in ) ) )
             => ( B @ ( C @ relation_composition ) @ relation_dom @ ( A @ in ) ) )
            & ( ( B @ ( C @ relation_composition ) @ relation_dom @ ( A @ in ) )
             => ( ( B @ relation_dom @ ( A @ ( C @ apply ) @ in ) )
                & ( C @ relation_dom @ ( A @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[338]) ).

thf(1557,plain,
    sk154 @ ordinal,
    inference(cnfConj,[status(thm)],[1553]) ).

thf(191,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ! [C: $i] :
          ~ ( ~ ( B @ ( C @ in ) )
            & ~ ( B @ ( C @ are_equipotent ) )
            & ( B @ ( C @ subset ) ) )
      & ! [C: $i] :
          ~ ( ! [D: $i] :
                ~ ( ! [E: $i] :
                      ( ( C @ ( E @ subset ) )
                     => ( D @ ( E @ in ) ) )
                  & ( B @ ( D @ in ) ) )
            & ( B @ ( C @ in ) ) )
      & ! [C: $i,D: $i] :
          ( ( ( C @ ( D @ subset ) )
            & ( B @ ( C @ in ) ) )
         => ( B @ ( D @ in ) ) )
      & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t9_tarski) ).

thf(1630,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ! [C: $i] :
          ~ ( ~ ( B @ ( C @ in ) )
            & ~ ( B @ ( C @ are_equipotent ) )
            & ( B @ ( C @ subset ) ) )
      & ! [C: $i] :
          ~ ( ! [D: $i] :
                ~ ( ! [E: $i] :
                      ( ( C @ ( E @ subset ) )
                     => ( D @ ( E @ in ) ) )
                  & ( B @ ( D @ in ) ) )
            & ( B @ ( C @ in ) ) )
      & ! [C: $i,D: $i] :
          ( ( ( C @ ( D @ subset ) )
            & ( B @ ( C @ in ) ) )
         => ( B @ ( D @ in ) ) )
      & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[191]) ).

thf(51,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_dom_restriction ) )
        = ( B @ ( A @ identity_relation @ relation_composition ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t94_relat_1) ).

thf(726,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_dom_restriction ) )
        = ( B @ ( A @ identity_relation @ relation_composition ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(216,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ powerset @ ( B @ element ) )
        & ( B @ ( A @ in ) ) )
     => ( C @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_subset) ).

thf(1838,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ powerset @ ( B @ element ) )
        & ( B @ ( A @ in ) ) )
     => ( C @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[216]) ).

thf(346,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ meet_of_subsets ) )
        = ( B @ set_meet ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_setfam_1) ).

thf(2785,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ meet_of_subsets ) )
        = ( B @ set_meet ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[346]) ).

thf(140,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ( A @ function_inverse @ one_to_one ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t62_funct_1) ).

thf(1344,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ( A @ function_inverse @ one_to_one ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[140]) ).

thf(1556,plain,
    sk154 @ epsilon_connected,
    inference(cnfConj,[status(thm)],[1553]) ).

thf(148,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ powerset @ ( C @ element ) )
        & ( A @ powerset @ ( B @ element ) ) )
     => ( ( C @ ( B @ ( A @ subset_difference ) ) )
        = ( C @ ( B @ set_difference ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_subset_1) ).

thf(1381,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ powerset @ ( C @ element ) )
        & ( A @ powerset @ ( B @ element ) ) )
     => ( ( C @ ( B @ ( A @ subset_difference ) ) )
        = ( C @ ( B @ set_difference ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[148]) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( ( B @ ( A @ singleton @ set_union2 ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l23_zfmisc_1) ).

thf(462,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( ( B @ ( A @ singleton @ set_union2 ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(223,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ well_ordering )
       => ( A @ ( B @ relation_restriction ) @ well_ordering ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t32_wellord1) ).

thf(1877,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ well_ordering )
       => ( A @ ( B @ relation_restriction ) @ well_ordering ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[223]) ).

thf(166,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_dom )
          = empty_set )
      <=> ( ( A @ relation_rng )
          = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_relat_1) ).

thf(1471,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( ( A @ relation_rng )
            = empty_set )
         => ( ( A @ relation_dom )
            = empty_set ) )
        & ( ( ( A @ relation_dom )
            = empty_set )
         => ( ( A @ relation_rng )
            = empty_set ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[166]) ).

thf(320,axiom,
    ! [A: $i] :
      ( ( A @ epsilon_transitive )
     => ! [B: $i] :
          ( ( B @ ordinal )
         => ( ( B @ ( A @ proper_subset ) )
           => ( B @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_ordinal1) ).

thf(2605,plain,
    ! [A: $i] :
      ( ( A @ epsilon_transitive )
     => ! [B: $i] :
          ( ( B @ ordinal )
         => ( ( B @ ( A @ proper_subset ) )
           => ( B @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[320]) ).

thf(322,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( B @ ( A @ set_difference ) ) )
    <=> ! [D: $i] :
          ( ( C @ ( D @ in ) )
        <=> ( ~ ( B @ ( D @ in ) )
            & ( A @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_xboole_0) ).

thf(2610,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( ( ~ ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ~ ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) ) ) )
       => ( C
          = ( B @ ( A @ set_difference ) ) ) )
      & ( ( C
          = ( B @ ( A @ set_difference ) ) )
       => ! [D: $i] :
            ( ( ( ~ ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ~ ( B @ ( D @ in ) )
                & ( A @ ( D @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[322]) ).

thf(118,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ set_difference ) )
        = empty_set )
    <=> ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l32_xboole_1) ).

thf(1149,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ subset ) )
       => ( ( B @ ( A @ set_difference ) )
          = empty_set ) )
      & ( ( ( B @ ( A @ set_difference ) )
          = empty_set )
       => ( B @ ( A @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[118]) ).

thf(364,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ finite )
     => ( B @ ( A @ set_intersection2 ) @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc11_finset_1) ).

thf(2874,plain,
    ! [A: $i,B: $i] :
      ( ( A @ finite )
     => ( B @ ( A @ set_intersection2 ) @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[364]) ).

thf(78,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ set_difference ) @ ( A @ set_union2 ) )
      = ( B @ ( A @ set_union2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_xboole_1) ).

thf(943,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ set_difference ) @ ( A @ set_union2 ) )
      = ( B @ ( A @ set_union2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[78]) ).

thf(332,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ( ( ( A @ relation_dom )
            = ( A @ function_inverse @ relation_rng ) )
          & ( ( A @ relation_rng )
            = ( A @ function_inverse @ relation_dom ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t55_funct_1) ).

thf(2664,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
       => ( ( ( A @ relation_dom )
            = ( A @ function_inverse @ relation_rng ) )
          & ( ( A @ relation_rng )
            = ( A @ function_inverse @ relation_dom ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[332]) ).

thf(131,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(1293,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[131]) ).

thf(311,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( B @ relation_rng @ ( B @ ( A @ relation_composition ) @ relation_rng @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t45_relat_1) ).

thf(2553,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( B @ relation_rng @ ( B @ ( A @ relation_composition ) @ relation_rng @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[311]) ).

thf(123,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
              <=> ( ! [D: $i,E: $i] :
                      ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                    <=> ( ( B @ ( E @ ( C @ apply ) @ ( D @ ( C @ apply ) @ ordered_pair ) @ in ) )
                        & ( A @ relation_field @ ( E @ in ) )
                        & ( A @ relation_field @ ( D @ in ) ) ) )
                  & ( C @ one_to_one )
                  & ( ( C @ relation_rng )
                    = ( B @ relation_field ) )
                  & ( ( C @ relation_dom )
                    = ( A @ relation_field ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_wellord1) ).

thf(1171,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( ( ! [D: $i,E: $i] :
                        ( ( ( ( B @ ( E @ ( C @ apply ) @ ( D @ ( C @ apply ) @ ordered_pair ) @ in ) )
                            & ( A @ relation_field @ ( E @ in ) )
                            & ( A @ relation_field @ ( D @ in ) ) )
                         => ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                        & ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                         => ( ( B @ ( E @ ( C @ apply ) @ ( D @ ( C @ apply ) @ ordered_pair ) @ in ) )
                            & ( A @ relation_field @ ( E @ in ) )
                            & ( A @ relation_field @ ( D @ in ) ) ) ) )
                    & ( C @ one_to_one )
                    & ( ( C @ relation_rng )
                      = ( B @ relation_field ) )
                    & ( ( C @ relation_dom )
                      = ( A @ relation_field ) ) )
                 => ( C @ ( B @ ( A @ relation_isomorphism ) ) ) )
                & ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
                 => ( ! [D: $i,E: $i] :
                        ( ( ( ( B @ ( E @ ( C @ apply ) @ ( D @ ( C @ apply ) @ ordered_pair ) @ in ) )
                            & ( A @ relation_field @ ( E @ in ) )
                            & ( A @ relation_field @ ( D @ in ) ) )
                         => ( A @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                        & ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                         => ( ( B @ ( E @ ( C @ apply ) @ ( D @ ( C @ apply ) @ ordered_pair ) @ in ) )
                            & ( A @ relation_field @ ( E @ in ) )
                            & ( A @ relation_field @ ( D @ in ) ) ) ) )
                    & ( C @ one_to_one )
                    & ( ( C @ relation_rng )
                      = ( B @ relation_field ) )
                    & ( ( C @ relation_dom )
                      = ( A @ relation_field ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[123]) ).

thf(287,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ is_well_founded_in ) )
        <=> ! [C: $i] :
              ~ ( ! [D: $i] :
                    ~ ( ( C @ ( D @ ( A @ fiber ) @ disjoint ) )
                      & ( C @ ( D @ in ) ) )
                & ( C != empty_set )
                & ( B @ ( C @ subset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_wellord1) ).

thf(2350,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i] :
                ~ ( ! [D: $i] :
                      ~ ( ( C @ ( D @ ( A @ fiber ) @ disjoint ) )
                        & ( C @ ( D @ in ) ) )
                  & ( C != empty_set )
                  & ( B @ ( C @ subset ) ) )
           => ( B @ ( A @ is_well_founded_in ) ) )
          & ( ( B @ ( A @ is_well_founded_in ) )
           => ! [C: $i] :
                ~ ( ! [D: $i] :
                      ~ ( ( C @ ( D @ ( A @ fiber ) @ disjoint ) )
                        & ( C @ ( D @ in ) ) )
                  & ( C != empty_set )
                  & ( B @ ( C @ subset ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[287]) ).

thf(264,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( B @ ordinal )
         => ~ ( ~ ( A @ ( B @ in ) )
              & ( A != B )
              & ~ ( B @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t24_ordinal1) ).

thf(2212,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( B @ ordinal )
         => ~ ( ~ ( A @ ( B @ in ) )
              & ( A != B )
              & ~ ( B @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[264]) ).

thf(169,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
    <=> ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_ordinal1) ).

thf(1528,plain,
    ! [A: $i] :
      ( ( ( ( A @ epsilon_connected )
          & ( A @ epsilon_transitive ) )
       => ( A @ ordinal ) )
      & ( ( A @ ordinal )
       => ( ( A @ epsilon_connected )
          & ( A @ epsilon_transitive ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[169]) ).

thf(67,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_union2 ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_relat_1) ).

thf(883,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_union2 ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[67]) ).

thf(91,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ connected )
      <=> ( A @ relation_field @ ( A @ is_connected_in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d14_relat_2) ).

thf(1015,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_field @ ( A @ is_connected_in ) )
         => ( A @ connected ) )
        & ( ( A @ connected )
         => ( A @ relation_field @ ( A @ is_connected_in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[91]) ).

thf(85,axiom,
    ! [A: $i,B: $i] :
      ~ ( A @ ( A @ proper_subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',irreflexivity_r2_xboole_0) ).

thf(986,plain,
    ! [A: $i] :
      ~ ( A @ ( A @ proper_subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[85]) ).

thf(167,axiom,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( D @ ordinal )
            & ( B = D )
            & ( C @ ordinal )
            & ( B = C ) )
         => ( C = D ) )
     => ? [B: $i] :
        ! [C: $i] :
          ( ( B @ ( C @ in ) )
        <=> ? [D: $i] :
              ( ( C @ ordinal )
              & ( D = C )
              & ( A @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e6_22__wellord2__1) ).

thf(1477,plain,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( D @ ordinal )
            & ( B = D )
            & ( C @ ordinal )
            & ( B = C ) )
         => ( C = D ) )
     => ? [B: $i] :
        ! [C: $i] :
          ( ( ? [D: $i] :
                ( ( C @ ordinal )
                & ( D = C )
                & ( A @ ( D @ in ) ) )
           => ( B @ ( C @ in ) ) )
          & ( ( B @ ( C @ in ) )
           => ? [D: $i] :
                ( ( C @ ordinal )
                & ( D = C )
                & ( A @ ( D @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[167]) ).

thf(1694,plain,
    sk168 @ epsilon_connected,
    inference(cnfConj,[status(thm)],[1692]) ).

thf(45,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ reflexive )
      <=> ( A @ relation_field @ ( A @ is_reflexive_in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d9_relat_2) ).

thf(658,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_field @ ( A @ is_reflexive_in ) )
         => ( A @ reflexive ) )
        & ( ( A @ reflexive )
         => ( A @ relation_field @ ( A @ is_reflexive_in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(178,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ relation )
     => ( B @ ( A @ relation_restriction ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_wellord1) ).

thf(1562,plain,
    ! [A: $i,B: $i] :
      ( ( A @ relation )
     => ( B @ ( A @ relation_restriction ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[178]) ).

thf(240,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( A @ ( B @ relation_restriction ) @ relation_field @ subset ) )
        & ( B @ relation_field @ ( A @ ( B @ relation_restriction ) @ relation_field @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t20_wellord1) ).

thf(1973,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( A @ ( B @ relation_restriction ) @ relation_field @ subset ) )
        & ( B @ relation_field @ ( A @ ( B @ relation_restriction ) @ relation_field @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[240]) ).

thf(213,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( B @ ( A @ relation_image ) ) )
        <=> ! [D: $i] :
              ( ( C @ ( D @ in ) )
            <=> ? [E: $i] :
                  ( ( B @ ( E @ in ) )
                  & ( A @ ( D @ ( E @ ordered_pair ) @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d13_relat_1) ).

thf(1805,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( ! [D: $i] :
                ( ( ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( D @ ( E @ ordered_pair ) @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( D @ ( E @ ordered_pair ) @ in ) ) ) ) )
           => ( C
              = ( B @ ( A @ relation_image ) ) ) )
          & ( ( C
              = ( B @ ( A @ relation_image ) ) )
           => ! [D: $i] :
                ( ( ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( D @ ( E @ ordered_pair ) @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ? [E: $i] :
                      ( ( B @ ( E @ in ) )
                      & ( A @ ( D @ ( E @ ordered_pair ) @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[213]) ).

thf(234,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( B @ relation_rng @ ( A @ subset ) )
       => ( ( A @ ( B @ relation_inverse_image ) @ ( B @ relation_image ) )
          = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t147_funct_1) ).

thf(1948,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( B @ relation_rng @ ( A @ subset ) )
       => ( ( A @ ( B @ relation_inverse_image ) @ ( B @ relation_image ) )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[234]) ).

thf(271,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ empty ) )
     => ( ( B @ ( A @ relation_composition ) @ relation )
        & ( B @ ( A @ relation_composition ) @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc9_relat_1) ).

thf(2239,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ empty ) )
     => ( ( B @ ( A @ relation_composition ) @ relation )
        & ( B @ ( A @ relation_composition ) @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[271]) ).

thf(2912,plain,
    ( ( ( sk125 @ empty )
     != ( sk92 @ empty ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[1095,1343]) ).

thf(2913,plain,
    ( ( sk125 @ empty )
   != ( sk92 @ empty ) ),
    inference(simp,[status(thm)],[2912]) ).

thf(2914,plain,
    sk125 != sk92,
    inference(simp,[status(thm)],[2913]) ).

thf(195,axiom,
    ! [A: $i] :
      ( ( ! [B: $i] :
            ~ ( ! [C: $i] :
                  ( C
                 != ( B @ singleton ) )
              & ( A @ ( B @ in ) ) )
        & ! [B: $i,C: $i,D: $i] :
            ( ( ( D
                = ( B @ singleton ) )
              & ( C
                = ( B @ singleton ) )
              & ( A @ ( B @ in ) ) )
           => ( C = D ) ) )
     => ? [B: $i] :
          ( ! [C: $i] :
              ( ( A @ ( C @ in ) )
             => ( ( C @ ( B @ apply ) )
                = ( C @ singleton ) ) )
          & ( ( B @ relation_dom )
            = A )
          & ( B @ function )
          & ( B @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s2_funct_1__e16_22__wellord2__1) ).

thf(1662,plain,
    ! [A: $i] :
      ( ( ! [B: $i] :
            ~ ( ! [C: $i] :
                  ( C
                 != ( B @ singleton ) )
              & ( A @ ( B @ in ) ) )
        & ! [B: $i,C: $i,D: $i] :
            ( ( ( D
                = ( B @ singleton ) )
              & ( C
                = ( B @ singleton ) )
              & ( A @ ( B @ in ) ) )
           => ( C = D ) ) )
     => ? [B: $i] :
          ( ! [C: $i] :
              ( ( A @ ( C @ in ) )
             => ( ( C @ ( B @ apply ) )
                = ( C @ singleton ) ) )
          & ( ( B @ relation_dom )
            = A )
          & ( B @ function )
          & ( B @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[195]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ is_connected_in ) )
        <=> ! [C: $i,D: $i] :
              ~ ( ~ ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                & ~ ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                & ( C != D )
                & ( B @ ( D @ in ) )
                & ( B @ ( C @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_relat_2) ).

thf(426,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i,D: $i] :
                ~ ( ~ ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                  & ~ ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                  & ( C != D )
                  & ( B @ ( D @ in ) )
                  & ( B @ ( C @ in ) ) )
           => ( B @ ( A @ is_connected_in ) ) )
          & ( ( B @ ( A @ is_connected_in ) )
           => ! [C: $i,D: $i] :
                ~ ( ~ ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                  & ~ ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                  & ( C != D )
                  & ( B @ ( D @ in ) )
                  & ( B @ ( C @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(283,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ relation_dom @ ( A @ subset ) )
       => ( A @ ( B @ relation_image ) @ ( B @ relation_inverse_image ) @ ( A @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t146_funct_1) ).

thf(2318,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ relation_dom @ ( A @ subset ) )
       => ( A @ ( B @ relation_image ) @ ( B @ relation_inverse_image ) @ ( A @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[283]) ).

thf(327,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l50_zfmisc_1) ).

thf(2652,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[327]) ).

thf(152,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ ( B @ relation_dom_restriction ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t88_relat_1) ).

thf(1420,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ ( B @ relation_dom_restriction ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[152]) ).

thf(257,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ relation_restriction ) @ relation_field @ ( A @ in ) )
       => ( ( B @ ( A @ in ) )
          & ( C @ relation_field @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t19_wellord1) ).

thf(2124,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( C @ relation_restriction ) @ relation_field @ ( A @ in ) )
       => ( ( B @ ( A @ in ) )
          & ( C @ relation_field @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[257]) ).

thf(28,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( A @ ( B @ set_union2 ) @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(516,plain,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( A @ ( B @ set_union2 ) @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(15,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( A @ ( B @ well_orders ) )
      & ( B @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t26_wellord2) ).

thf(458,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( A @ ( B @ well_orders ) )
      & ( B @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(69,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
                  & ( A @ well_ordering ) )
               => ( B @ well_ordering ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_wellord1) ).

thf(887,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
                  & ( A @ well_ordering ) )
               => ( B @ well_ordering ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[69]) ).

thf(82,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( C @ relation )
             => ( ( C
                  = ( B @ ( A @ relation_composition ) ) )
              <=> ! [D: $i,E: $i] :
                    ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                  <=> ? [F: $i] :
                        ( ( B @ ( E @ ( F @ ordered_pair ) @ in ) )
                        & ( A @ ( F @ ( D @ ordered_pair ) @ in ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_relat_1) ).

thf(954,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( C @ relation )
             => ( ( ! [D: $i,E: $i] :
                      ( ( ? [F: $i] :
                            ( ( B @ ( E @ ( F @ ordered_pair ) @ in ) )
                            & ( A @ ( F @ ( D @ ordered_pair ) @ in ) ) )
                       => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                      & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                       => ? [F: $i] :
                            ( ( B @ ( E @ ( F @ ordered_pair ) @ in ) )
                            & ( A @ ( F @ ( D @ ordered_pair ) @ in ) ) ) ) )
                 => ( C
                    = ( B @ ( A @ relation_composition ) ) ) )
                & ( ( C
                    = ( B @ ( A @ relation_composition ) ) )
                 => ! [D: $i,E: $i] :
                      ( ( ? [F: $i] :
                            ( ( B @ ( E @ ( F @ ordered_pair ) @ in ) )
                            & ( A @ ( F @ ( D @ ordered_pair ) @ in ) ) )
                       => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                      & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                       => ? [F: $i] :
                            ( ( B @ ( E @ ( F @ ordered_pair ) @ in ) )
                            & ( A @ ( F @ ( D @ ordered_pair ) @ in ) ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[82]) ).

thf(53,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( ( B @ ( A @ singleton @ set_union2 ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_zfmisc_1) ).

thf(739,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( ( B @ ( A @ singleton @ set_union2 ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

thf(367,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ( B @ ( A @ disjoint ) )
          & ? [C: $i] : ( B @ ( A @ set_intersection2 ) @ ( C @ in ) ) )
      & ~ ( ! [C: $i] :
              ~ ( B @ ( A @ set_intersection2 ) @ ( C @ in ) )
          & ~ ( B @ ( A @ disjoint ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

thf(2882,plain,
    ! [A: $i,B: $i] :
      ( ~ ( ( B @ ( A @ disjoint ) )
          & ? [C: $i] : ( B @ ( A @ set_intersection2 ) @ ( C @ in ) ) )
      & ~ ( ! [C: $i] :
              ~ ( B @ ( A @ set_intersection2 ) @ ( C @ in ) )
          & ~ ( B @ ( A @ disjoint ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[367]) ).

thf(358,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ finite )
     => ( B @ ( A @ set_intersection2 ) @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc10_finset_1) ).

thf(2831,plain,
    ! [A: $i,B: $i] :
      ( ( B @ finite )
     => ( B @ ( A @ set_intersection2 ) @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[358]) ).

thf(339,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( B @ relation_dom @ ( A @ in ) )
           => ( ( A @ ( C @ ( B @ relation_composition ) @ apply ) )
              = ( A @ ( B @ apply ) @ ( C @ apply ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_funct_1) ).

thf(2747,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( B @ relation_dom @ ( A @ in ) )
           => ( ( A @ ( C @ ( B @ relation_composition ) @ apply ) )
              = ( A @ ( B @ apply ) @ ( C @ apply ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[339]) ).

thf(210,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ( B @ ( A @ disjoint ) )
          & ? [C: $i] :
              ( ( B @ ( C @ in ) )
              & ( A @ ( C @ in ) ) ) )
      & ~ ( ! [C: $i] :
              ~ ( ( B @ ( C @ in ) )
                & ( A @ ( C @ in ) ) )
          & ~ ( B @ ( A @ disjoint ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_0) ).

thf(1785,plain,
    ! [A: $i,B: $i] :
      ( ~ ( ( B @ ( A @ disjoint ) )
          & ? [C: $i] :
              ( ( B @ ( C @ in ) )
              & ( A @ ( C @ in ) ) ) )
      & ~ ( ! [C: $i] :
              ~ ( ( B @ ( C @ in ) )
                & ( A @ ( C @ in ) ) )
          & ~ ( B @ ( A @ disjoint ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[210]) ).

thf(81,axiom,
    ! [A: $i] :
      ( ( A @ ( A @ unordered_pair ) )
      = ( A @ singleton ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t69_enumset1) ).

thf(951,plain,
    ! [A: $i] :
      ( ( A @ ( A @ unordered_pair ) )
      = ( A @ singleton ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[81]) ).

thf(113,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ empty )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
        & ( A @ function )
        & ( A @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_funct_1) ).

thf(1130,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ empty )
        & ( A @ relation ) )
     => ( ( A @ one_to_one )
        & ( A @ function )
        & ( A @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[113]) ).

thf(203,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ disjoint ) )
     => ( A @ ( B @ disjoint ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

thf(1738,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ disjoint ) )
     => ( A @ ( B @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[203]) ).

thf(242,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ! [C: $i] :
          ( ! [D: $i,E: $i,F: $i] :
              ( ( ? [G: $i,H: $i] :
                    ( ? [I: $i] :
                        ( ! [J: $i] :
                            ( ( I @ ( J @ in ) )
                           => ( B @ ( J @ ( H @ ordered_pair ) @ in ) ) )
                        & ( I @ ( H @ in ) )
                        & ( G = I ) )
                    & ( A @ ( G @ in ) )
                    & ( ( H @ ( G @ ordered_pair ) )
                      = F ) )
                & ( D = F )
                & ? [G: $i,H: $i] :
                    ( ? [I: $i] :
                        ( ! [J: $i] :
                            ( ( I @ ( J @ in ) )
                           => ( B @ ( J @ ( H @ ordered_pair ) @ in ) ) )
                        & ( I @ ( H @ in ) )
                        & ( G = I ) )
                    & ( A @ ( G @ in ) )
                    & ( ( H @ ( G @ ordered_pair ) )
                      = E ) )
                & ( D = E ) )
             => ( E = F ) )
         => ? [D: $i] :
            ! [E: $i] :
              ( ( D @ ( E @ in ) )
            <=> ? [F: $i] :
                  ( ? [G: $i,H: $i] :
                      ( ? [I: $i] :
                          ( ! [J: $i] :
                              ( ( I @ ( J @ in ) )
                             => ( B @ ( J @ ( H @ ordered_pair ) @ in ) ) )
                          & ( I @ ( H @ in ) )
                          & ( G = I ) )
                      & ( A @ ( G @ in ) )
                      & ( ( H @ ( G @ ordered_pair ) )
                        = E ) )
                  & ( F = E )
                  & ( C @ ( A @ cartesian_product2 ) @ ( F @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e10_24__wellord2__2) ).

thf(1980,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ! [C: $i] :
          ( ! [D: $i,E: $i,F: $i] :
              ( ( ? [G: $i,H: $i] :
                    ( ? [I: $i] :
                        ( ! [J: $i] :
                            ( ( I @ ( J @ in ) )
                           => ( B @ ( J @ ( H @ ordered_pair ) @ in ) ) )
                        & ( I @ ( H @ in ) )
                        & ( G = I ) )
                    & ( A @ ( G @ in ) )
                    & ( ( H @ ( G @ ordered_pair ) )
                      = F ) )
                & ( D = F )
                & ? [G: $i,H: $i] :
                    ( ? [I: $i] :
                        ( ! [J: $i] :
                            ( ( I @ ( J @ in ) )
                           => ( B @ ( J @ ( H @ ordered_pair ) @ in ) ) )
                        & ( I @ ( H @ in ) )
                        & ( G = I ) )
                    & ( A @ ( G @ in ) )
                    & ( ( H @ ( G @ ordered_pair ) )
                      = E ) )
                & ( D = E ) )
             => ( E = F ) )
         => ? [D: $i] :
            ! [E: $i] :
              ( ( ? [F: $i] :
                    ( ? [G: $i,H: $i] :
                        ( ? [I: $i] :
                            ( ! [J: $i] :
                                ( ( I @ ( J @ in ) )
                               => ( B @ ( J @ ( H @ ordered_pair ) @ in ) ) )
                            & ( I @ ( H @ in ) )
                            & ( G = I ) )
                        & ( A @ ( G @ in ) )
                        & ( ( H @ ( G @ ordered_pair ) )
                          = E ) )
                    & ( F = E )
                    & ( C @ ( A @ cartesian_product2 ) @ ( F @ in ) ) )
               => ( D @ ( E @ in ) ) )
              & ( ( D @ ( E @ in ) )
               => ? [F: $i] :
                    ( ? [G: $i,H: $i] :
                        ( ? [I: $i] :
                            ( ! [J: $i] :
                                ( ( I @ ( J @ in ) )
                               => ( B @ ( J @ ( H @ ordered_pair ) @ in ) ) )
                            & ( I @ ( H @ in ) )
                            & ( G = I ) )
                        & ( A @ ( G @ in ) )
                        & ( ( H @ ( G @ ordered_pair ) )
                          = E ) )
                    & ( F = E )
                    & ( C @ ( A @ cartesian_product2 ) @ ( F @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[242]) ).

thf(258,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ( ( B != empty_set )
       => ! [E: $i] :
            ( ( C @ ( D @ relation_inverse_image ) @ ( E @ in ) )
          <=> ( ( C @ ( E @ ( D @ apply ) @ in ) )
              & ( A @ ( E @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_funct_2) ).

thf(2128,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ( ( B != empty_set )
       => ! [E: $i] :
            ( ( ( ( C @ ( E @ ( D @ apply ) @ in ) )
                & ( A @ ( E @ in ) ) )
             => ( C @ ( D @ relation_inverse_image ) @ ( E @ in ) ) )
            & ( ( C @ ( D @ relation_inverse_image ) @ ( E @ in ) )
             => ( ( C @ ( E @ ( D @ apply ) @ in ) )
                & ( A @ ( E @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[258]) ).

thf(173,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( ( A @ relation_rng )
            = empty_set )
          | ( ( A @ relation_dom )
            = empty_set ) )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t64_relat_1) ).

thf(1543,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( ( A @ relation_rng )
            = empty_set )
          | ( ( A @ relation_dom )
            = empty_set ) )
       => ( A = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[173]) ).

thf(116,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ subset ) )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(1141,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ subset ) )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[116]) ).

thf(292,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ empty )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_funct_1) ).

thf(2379,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ empty )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[292]) ).

thf(284,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B
            = ( A @ relation_rng ) )
        <=> ! [C: $i] :
              ( ( B @ ( C @ in ) )
            <=> ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_relat_1) ).

thf(2320,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i] :
                ( ( ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) )
           => ( B
              = ( A @ relation_rng ) ) )
          & ( ( B
              = ( A @ relation_rng ) )
           => ! [C: $i] :
                ( ( ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                 => ( B @ ( C @ in ) ) )
                & ( ( B @ ( C @ in ) )
                 => ? [D: $i] : ( A @ ( C @ ( D @ ordered_pair ) @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[284]) ).

thf(63,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ordered_pair ) )
        = ( D @ ( C @ ordered_pair ) ) )
     => ( ( B = D )
        & ( A = C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_zfmisc_1) ).

thf(864,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ordered_pair ) )
        = ( D @ ( C @ ordered_pair ) ) )
     => ( ( B = D )
        & ( A = C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[63]) ).

thf(212,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
    <=> ! [C: $i] :
          ( ( A @ ( C @ in ) )
         => ( B @ ( C @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

thf(1797,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( A @ ( C @ in ) )
           => ( B @ ( C @ in ) ) )
       => ( B @ ( A @ subset ) ) )
      & ( ( B @ ( A @ subset ) )
       => ! [C: $i] :
            ( ( A @ ( C @ in ) )
           => ( B @ ( C @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[212]) ).

thf(369,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_dom_restriction ) @ relation_dom )
        = ( A @ ( B @ relation_dom @ set_intersection2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t90_relat_1) ).

thf(2892,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( A @ ( B @ relation_dom_restriction ) @ relation_dom )
        = ( A @ ( B @ relation_dom @ set_intersection2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[369]) ).

thf(87,axiom,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( D
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) )
            & ( C
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) ) )
         => ( C = D ) )
     => ? [B: $i] :
        ! [C: $i] :
          ( ( B @ ( C @ in ) )
        <=> ? [D: $i] :
              ( ( C
                = ( D @ singleton ) )
              & ( A @ ( D @ in ) )
              & ( A @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e16_22__wellord2__1) ).

thf(991,plain,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( D
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) )
            & ( C
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) ) )
         => ( C = D ) )
     => ? [B: $i] :
        ! [C: $i] :
          ( ( ? [D: $i] :
                ( ( C
                  = ( D @ singleton ) )
                & ( A @ ( D @ in ) )
                & ( A @ ( D @ in ) ) )
           => ( B @ ( C @ in ) ) )
          & ( ( B @ ( C @ in ) )
           => ? [D: $i] :
                ( ( C
                  = ( D @ singleton ) )
                & ( A @ ( D @ in ) )
                & ( A @ ( D @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[87]) ).

thf(360,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ ( A @ relation_rng_restriction ) @ relation_rng )
        = ( A @ ( B @ relation_rng @ set_intersection2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t119_relat_1) ).

thf(2838,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( ( B @ ( A @ relation_rng_restriction ) @ relation_rng )
        = ( A @ ( B @ relation_rng @ set_intersection2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[360]) ).

thf(256,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ singleton @ ( A @ subset ) )
    <=> ( ( A
          = ( B @ singleton ) )
        | ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

thf(2113,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( A
            = ( B @ singleton ) )
          | ( A = empty_set ) )
       => ( B @ singleton @ ( A @ subset ) ) )
      & ( ( B @ singleton @ ( A @ subset ) )
       => ( ( A
            = ( B @ singleton ) )
          | ( A = empty_set ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[256]) ).

thf(1880,plain,
    ( ( sk195 @ function )
    & ( sk195 @ relation_empty_yielding )
    & ( sk195 @ relation ) ),
    inference(cnf,[status(esa)],[1879]) ).

thf(1881,plain,
    sk195 @ relation,
    inference(cnfConj,[status(thm)],[1880]) ).

thf(39,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( A @ union ) )
    <=> ! [C: $i] :
          ( ( B @ ( C @ in ) )
        <=> ? [D: $i] :
              ( ( A @ ( D @ in ) )
              & ( D @ ( C @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_tarski) ).

thf(612,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( ? [D: $i] :
                  ( ( A @ ( D @ in ) )
                  & ( D @ ( C @ in ) ) )
             => ( B @ ( C @ in ) ) )
            & ( ( B @ ( C @ in ) )
             => ? [D: $i] :
                  ( ( A @ ( D @ in ) )
                  & ( D @ ( C @ in ) ) ) ) )
       => ( B
          = ( A @ union ) ) )
      & ( ( B
          = ( A @ union ) )
       => ! [C: $i] :
            ( ( ? [D: $i] :
                  ( ( A @ ( D @ in ) )
                  & ( D @ ( C @ in ) ) )
             => ( B @ ( C @ in ) ) )
            & ( ( B @ ( C @ in ) )
             => ? [D: $i] :
                  ( ( A @ ( D @ in ) )
                  & ( D @ ( C @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(24,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( ( C @ ( B @ ( A @ relation_dom_as_subset ) ) )
        = ( C @ relation_dom ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k4_relset_1) ).

thf(497,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( ( C @ ( B @ ( A @ relation_dom_as_subset ) ) )
        = ( C @ relation_dom ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(65,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ singleton @ ( A @ singleton @ subset ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_zfmisc_1) ).

thf(876,plain,
    ! [A: $i,B: $i] :
      ( ( B @ singleton @ ( A @ singleton @ subset ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[65]) ).

thf(17,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( C @ ( B @ ( A @ ordered_pair ) @ in ) )
       => ( ( C @ relation_field @ ( B @ in ) )
          & ( C @ relation_field @ ( A @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t30_relat_1) ).

thf(465,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( C @ ( B @ ( A @ ordered_pair ) @ in ) )
       => ( ( C @ relation_field @ ( B @ in ) )
          & ( C @ relation_field @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(248,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ subset_complement ) @ ( A @ subset_complement ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k3_subset_1) ).

thf(2045,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ( ( B @ ( A @ subset_complement ) @ ( A @ subset_complement ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[248]) ).

thf(353,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( A @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( B @ set_intersection2 ) @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t19_xboole_1) ).

thf(2818,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( A @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( B @ set_intersection2 ) @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[353]) ).

thf(119,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ! [C: $i] :
          ( ( A @ powerset @ ( C @ element ) )
         => ( ( C @ ( B @ disjoint ) )
          <=> ( C @ ( A @ subset_complement ) @ ( B @ subset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t43_subset_1) ).

thf(1157,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ! [C: $i] :
          ( ( A @ powerset @ ( C @ element ) )
         => ( ( ( C @ ( A @ subset_complement ) @ ( B @ subset ) )
             => ( C @ ( B @ disjoint ) ) )
            & ( ( C @ ( B @ disjoint ) )
             => ( C @ ( A @ subset_complement ) @ ( B @ subset ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[119]) ).

thf(262,axiom,
    ! [A: $i] :
      ( ( A @ epsilon_connected )
    <=> ! [B: $i,C: $i] :
          ~ ( ~ ( B @ ( C @ in ) )
            & ( B != C )
            & ~ ( C @ ( B @ in ) )
            & ( A @ ( C @ in ) )
            & ( A @ ( B @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_ordinal1) ).

thf(2194,plain,
    ! [A: $i] :
      ( ( ! [B: $i,C: $i] :
            ~ ( ~ ( B @ ( C @ in ) )
              & ( B != C )
              & ~ ( C @ ( B @ in ) )
              & ( A @ ( C @ in ) )
              & ( A @ ( B @ in ) ) )
       => ( A @ epsilon_connected ) )
      & ( ( A @ epsilon_connected )
       => ! [B: $i,C: $i] :
            ~ ( ~ ( B @ ( C @ in ) )
              & ( B != C )
              & ~ ( C @ ( B @ in ) )
              & ( A @ ( C @ in ) )
              & ( A @ ( B @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[262]) ).

thf(265,axiom,
    ( ( empty_set @ powerset )
    = ( empty_set @ singleton ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_zfmisc_1) ).

thf(2215,plain,
    ( ( empty_set @ powerset )
    = ( empty_set @ singleton ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[265]) ).

thf(208,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( A @ subset ) )
       => ( B @ ( C @ relation_inverse_image ) @ ( A @ ( C @ relation_inverse_image ) @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t178_relat_1) ).

thf(1781,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ relation )
     => ( ( B @ ( A @ subset ) )
       => ( B @ ( C @ relation_inverse_image ) @ ( A @ ( C @ relation_inverse_image ) @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[208]) ).

thf(55,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ~ ( ( A != D )
        & ( A != C )
        & ( ( B @ ( A @ unordered_pair ) )
          = ( D @ ( C @ unordered_pair ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_zfmisc_1) ).

thf(771,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ~ ( ( A != D )
        & ( A != C )
        & ( ( B @ ( A @ unordered_pair ) )
          = ( D @ ( C @ unordered_pair ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(229,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ! [C: $i] :
        ? [D: $i] :
        ! [E: $i] :
          ( ( D @ ( E @ in ) )
        <=> ( ? [F: $i,G: $i] :
                ( ? [H: $i] :
                    ( ! [I: $i] :
                        ( ( H @ ( I @ in ) )
                       => ( B @ ( I @ ( G @ ordered_pair ) @ in ) ) )
                    & ( H @ ( G @ in ) )
                    & ( F = H ) )
                & ( A @ ( F @ in ) )
                & ( ( G @ ( F @ ordered_pair ) )
                  = E ) )
            & ( C @ ( A @ cartesian_product2 ) @ ( E @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_xboole_0__e10_24__wellord2__1) ).

thf(1918,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ~ ( A @ empty ) )
     => ! [C: $i] :
        ? [D: $i] :
        ! [E: $i] :
          ( ( ( ? [F: $i,G: $i] :
                  ( ? [H: $i] :
                      ( ! [I: $i] :
                          ( ( H @ ( I @ in ) )
                         => ( B @ ( I @ ( G @ ordered_pair ) @ in ) ) )
                      & ( H @ ( G @ in ) )
                      & ( F = H ) )
                  & ( A @ ( F @ in ) )
                  & ( ( G @ ( F @ ordered_pair ) )
                    = E ) )
              & ( C @ ( A @ cartesian_product2 ) @ ( E @ in ) ) )
           => ( D @ ( E @ in ) ) )
          & ( ( D @ ( E @ in ) )
           => ( ? [F: $i,G: $i] :
                  ( ? [H: $i] :
                      ( ! [I: $i] :
                          ( ( H @ ( I @ in ) )
                         => ( B @ ( I @ ( G @ ordered_pair ) @ in ) ) )
                      & ( H @ ( G @ in ) )
                      & ( F = H ) )
                  & ( A @ ( F @ in ) )
                  & ( ( G @ ( F @ ordered_pair ) )
                    = E ) )
              & ( C @ ( A @ cartesian_product2 ) @ ( E @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[229]) ).

thf(193,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ singleton @ ( A @ subset ) )
    <=> ( ( A
          = ( B @ singleton ) )
        | ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_zfmisc_1) ).

thf(1649,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( A
            = ( B @ singleton ) )
          | ( A = empty_set ) )
       => ( B @ singleton @ ( A @ subset ) ) )
      & ( ( B @ singleton @ ( A @ subset ) )
       => ( ( A
            = ( B @ singleton ) )
          | ( A = empty_set ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[193]) ).

thf(281,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_dom @ ( A @ ( B @ relation_inverse_image ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t167_relat_1) ).

thf(2310,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_dom @ ( A @ ( B @ relation_inverse_image ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[281]) ).

thf(218,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_difference ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_relat_1) ).

thf(1844,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_difference ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[218]) ).

thf(286,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( A @ ( A @ ordinal_subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_ordinal1) ).

thf(2347,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( A @ ( A @ ordinal_subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[286]) ).

thf(494,plain,
    ( ( sk12 @ relation_empty_yielding )
    & ( sk12 @ relation ) ),
    inference(cnf,[status(esa)],[493]) ).

thf(495,plain,
    sk12 @ relation,
    inference(cnfConj,[status(thm)],[494]) ).

thf(268,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_dom )
          = ( A @ relation_inverse @ relation_rng ) )
        & ( ( A @ relation_rng )
          = ( A @ relation_inverse @ relation_dom ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_relat_1) ).

thf(2226,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_dom )
          = ( A @ relation_inverse @ relation_rng ) )
        & ( ( A @ relation_rng )
          = ( A @ relation_inverse @ relation_dom ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[268]) ).

thf(160,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( B @ powerset @ ( C @ ( B @ ( A @ relation_rng_as_subset ) ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_relset_1) ).

thf(1453,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( B @ powerset @ ( C @ ( B @ ( A @ relation_rng_as_subset ) ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[160]) ).

thf(324,axiom,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(2643,plain,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[324]) ).

thf(329,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_rng @ ( A @ ( B @ relation_dom_restriction ) @ relation_rng @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_relat_1) ).

thf(2658,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_rng @ ( A @ ( B @ relation_dom_restriction ) @ relation_rng @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[329]) ).

thf(345,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ( ( C @ ( B @ subset ) )
       => ( ( ( C @ ( A @ ( D @ relation_of2_as_subset ) ) )
            & ( C @ ( A @ ( D @ quasi_total ) ) )
            & ( D @ function ) )
          | ( ( A != empty_set )
            & ( B = empty_set ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t9_funct_2) ).

thf(2775,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ( ( C @ ( B @ subset ) )
       => ( ( ( C @ ( A @ ( D @ relation_of2_as_subset ) ) )
            & ( C @ ( A @ ( D @ quasi_total ) ) )
            & ( D @ function ) )
          | ( ( A != empty_set )
            & ( B = empty_set ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[345]) ).

thf(261,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( B @ ( A @ relation_inverse_image ) ) )
        <=> ! [D: $i] :
              ( ( C @ ( D @ in ) )
            <=> ( ( B @ ( D @ ( A @ apply ) @ in ) )
                & ( A @ relation_dom @ ( D @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d13_funct_1) ).

thf(2167,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i,C: $i] :
          ( ( ! [D: $i] :
                ( ( ( ( B @ ( D @ ( A @ apply ) @ in ) )
                    & ( A @ relation_dom @ ( D @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ( ( B @ ( D @ ( A @ apply ) @ in ) )
                    & ( A @ relation_dom @ ( D @ in ) ) ) ) )
           => ( C
              = ( B @ ( A @ relation_inverse_image ) ) ) )
          & ( ( C
              = ( B @ ( A @ relation_inverse_image ) ) )
           => ! [D: $i] :
                ( ( ( ( B @ ( D @ ( A @ apply ) @ in ) )
                    & ( A @ relation_dom @ ( D @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ( ( B @ ( D @ ( A @ apply ) @ in ) )
                    & ( A @ relation_dom @ ( D @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[261]) ).

thf(274,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( ( B @ ( C @ relation_rng @ subset ) )
        & ( A @ ( C @ relation_dom @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_relset_1) ).

thf(2283,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( ( B @ ( C @ relation_rng @ subset ) )
        & ( A @ ( C @ relation_dom @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[274]) ).

thf(310,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( A @ powerset ) )
    <=> ! [C: $i] :
          ( ( B @ ( C @ in ) )
        <=> ( A @ ( C @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_zfmisc_1) ).

thf(2532,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( ( A @ ( C @ subset ) )
             => ( B @ ( C @ in ) ) )
            & ( ( B @ ( C @ in ) )
             => ( A @ ( C @ subset ) ) ) )
       => ( B
          = ( A @ powerset ) ) )
      & ( ( B
          = ( A @ powerset ) )
       => ! [C: $i] :
            ( ( ( A @ ( C @ subset ) )
             => ( B @ ( C @ in ) ) )
            & ( ( B @ ( C @ in ) )
             => ( A @ ( C @ subset ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[310]) ).

thf(79,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( A @ ( C @ ( D @ relation_of2_as_subset ) ) )
     => ( ( B @ ( A @ subset ) )
       => ( B @ ( C @ ( D @ relation_of2_as_subset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t16_relset_1) ).

thf(946,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( A @ ( C @ ( D @ relation_of2_as_subset ) ) )
     => ( ( B @ ( A @ subset ) )
       => ( B @ ( C @ ( D @ relation_of2_as_subset ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[79]) ).

thf(342,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_field )
        = ( A @ relation_rng @ ( A @ relation_dom @ set_union2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_relat_1) ).

thf(2764,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_field )
        = ( A @ relation_rng @ ( A @ relation_dom @ set_union2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[342]) ).

thf(9,axiom,
    ! [A: $i] : ( A @ inclusion_relation @ transitive ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_wellord2) ).

thf(418,plain,
    ! [A: $i] : ( A @ inclusion_relation @ transitive ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(176,axiom,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_difference ) @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t36_xboole_1) ).

thf(1558,plain,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_difference ) @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[176]) ).

thf(294,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( B @ ( A @ relation_image ) ) )
        <=> ! [D: $i] :
              ( ( C @ ( D @ in ) )
            <=> ? [E: $i] :
                  ( ( D
                    = ( E @ ( A @ apply ) ) )
                  & ( B @ ( E @ in ) )
                  & ( A @ relation_dom @ ( E @ in ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_funct_1) ).

thf(2394,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ! [B: $i,C: $i] :
          ( ( ! [D: $i] :
                ( ( ? [E: $i] :
                      ( ( D
                        = ( E @ ( A @ apply ) ) )
                      & ( B @ ( E @ in ) )
                      & ( A @ relation_dom @ ( E @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ? [E: $i] :
                      ( ( D
                        = ( E @ ( A @ apply ) ) )
                      & ( B @ ( E @ in ) )
                      & ( A @ relation_dom @ ( E @ in ) ) ) ) )
           => ( C
              = ( B @ ( A @ relation_image ) ) ) )
          & ( ( C
              = ( B @ ( A @ relation_image ) ) )
           => ! [D: $i] :
                ( ( ? [E: $i] :
                      ( ( D
                        = ( E @ ( A @ apply ) ) )
                      & ( B @ ( E @ in ) )
                      & ( A @ relation_dom @ ( E @ in ) ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ? [E: $i] :
                      ( ( D
                        = ( E @ ( A @ apply ) ) )
                      & ( B @ ( E @ in ) )
                      & ( A @ relation_dom @ ( E @ in ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[294]) ).

thf(355,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_difference ) @ ( A @ set_difference ) )
      = ( B @ ( A @ set_intersection2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_xboole_1) ).

thf(2823,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_difference ) @ ( A @ set_difference ) )
      = ( B @ ( A @ set_intersection2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[355]) ).

thf(5,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ is_antisymmetric_in ) )
        <=> ! [C: $i,D: $i] :
              ( ( ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                & ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                & ( B @ ( D @ in ) )
                & ( B @ ( C @ in ) ) )
             => ( C = D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_relat_2) ).

thf(390,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i,D: $i] :
                ( ( ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                  & ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                  & ( B @ ( D @ in ) )
                  & ( B @ ( C @ in ) ) )
               => ( C = D ) )
           => ( B @ ( A @ is_antisymmetric_in ) ) )
          & ( ( B @ ( A @ is_antisymmetric_in ) )
           => ! [C: $i,D: $i] :
                ( ( ( A @ ( C @ ( D @ ordered_pair ) @ in ) )
                  & ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                  & ( B @ ( D @ in ) )
                  & ( B @ ( C @ in ) ) )
               => ( C = D ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(96,axiom,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ ordered_pair ) @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(1030,plain,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ ordered_pair ) @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[96]) ).

thf(293,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A @ empty )
       => ( ( A @ ( B @ element ) )
        <=> ( B @ empty ) ) )
      & ( ~ ( A @ empty )
       => ( ( A @ ( B @ element ) )
        <=> ( A @ ( B @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_subset_1) ).

thf(2384,plain,
    ! [A: $i,B: $i] :
      ( ( ( A @ empty )
       => ( ( ( B @ empty )
           => ( A @ ( B @ element ) ) )
          & ( ( A @ ( B @ element ) )
           => ( B @ empty ) ) ) )
      & ( ~ ( A @ empty )
       => ( ( ( A @ ( B @ in ) )
           => ( A @ ( B @ element ) ) )
          & ( ( A @ ( B @ element ) )
           => ( A @ ( B @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[293]) ).

thf(104,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( A @ ( B @ in ) )
       => ( ( B @ ( A @ ( C @ relation_dom_restriction ) @ apply ) )
          = ( B @ ( C @ apply ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t72_funct_1) ).

thf(1077,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( A @ ( B @ in ) )
       => ( ( B @ ( A @ ( C @ relation_dom_restriction ) @ apply ) )
          = ( B @ ( C @ apply ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[104]) ).

thf(58,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(832,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[58]) ).

thf(245,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ( ( A @ ( C @ in ) )
       => ( ( D @ relation_rng @ ( C @ ( D @ apply ) @ in ) )
          | ( B = empty_set ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_funct_2) ).

thf(2036,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( D @ relation_of2_as_subset ) ) )
        & ( B @ ( A @ ( D @ quasi_total ) ) )
        & ( D @ function ) )
     => ( ( A @ ( C @ in ) )
       => ( ( D @ relation_rng @ ( C @ ( D @ apply ) @ in ) )
          | ( B = empty_set ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[245]) ).

thf(157,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_dom @ ( A @ relation_image ) )
        = ( A @ relation_rng ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t146_relat_1) ).

thf(1444,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_dom @ ( A @ relation_image ) )
        = ( A @ relation_rng ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[157]) ).

thf(2915,plain,
    ( ( ( sk139 @ empty )
     != ( sk92 @ empty ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[1095,1418]) ).

thf(2916,plain,
    ( ( sk139 @ empty )
   != ( sk92 @ empty ) ),
    inference(simp,[status(thm)],[2915]) ).

thf(2917,plain,
    sk139 != sk92,
    inference(simp,[status(thm)],[2916]) ).

thf(120,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( A @ ( C @ relation_dom_restriction ) @ relation_dom @ ( B @ in ) )
       => ( ( B @ ( A @ ( C @ relation_dom_restriction ) @ apply ) )
          = ( B @ ( C @ apply ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t70_funct_1) ).

thf(1161,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ function )
        & ( C @ relation ) )
     => ( ( A @ ( C @ relation_dom_restriction ) @ relation_dom @ ( B @ in ) )
       => ( ( B @ ( A @ ( C @ relation_dom_restriction ) @ apply ) )
          = ( B @ ( C @ apply ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[120]) ).

thf(74,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
               => ( C @ function_inverse @ ( A @ ( B @ relation_isomorphism ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t49_wellord1) ).

thf(914,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ! [C: $i] :
              ( ( ( C @ function )
                & ( C @ relation ) )
             => ( ( C @ ( B @ ( A @ relation_isomorphism ) ) )
               => ( C @ function_inverse @ ( A @ ( B @ relation_isomorphism ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[74]) ).

thf(290,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ relation_rng @ ( A @ relation_dom @ subset ) )
           => ( ( A @ ( B @ relation_composition ) @ relation_rng )
              = ( A @ relation_rng ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t47_relat_1) ).

thf(2374,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ relation_rng @ ( A @ relation_dom @ subset ) )
           => ( ( A @ ( B @ relation_composition ) @ relation_rng )
              = ( A @ relation_rng ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[290]) ).

thf(275,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] :
      ( ( C @ function )
      & ( C @ relation )
      & ( B @ ( A @ ( C @ relation_of2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_partfun1) ).

thf(2287,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] :
      ( ( C @ function )
      & ( C @ relation )
      & ( B @ ( A @ ( C @ relation_of2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[275]) ).

thf(206,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ ( A @ subset ) )
           => ( ( B @ relation_rng @ ( A @ relation_rng @ subset ) )
              & ( B @ relation_dom @ ( A @ relation_dom @ subset ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t25_relat_1) ).

thf(1774,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ relation )
         => ( ( B @ ( A @ subset ) )
           => ( ( B @ relation_rng @ ( A @ relation_rng @ subset ) )
              & ( B @ relation_dom @ ( A @ relation_dom @ subset ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[206]) ).

thf(279,axiom,
    ! [A: $i,B: $i] :
      ~ ( ! [C: $i] :
            ~ ( ! [D: $i] :
                  ~ ( ( C @ ( D @ in ) )
                    & ( B @ ( D @ in ) ) )
              & ( B @ ( C @ in ) ) )
        & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_tarski) ).

thf(2302,plain,
    ! [A: $i,B: $i] :
      ~ ( ! [C: $i] :
            ~ ( ! [D: $i] :
                  ~ ( ( C @ ( D @ in ) )
                    & ( B @ ( D @ in ) ) )
              & ( B @ ( C @ in ) ) )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[279]) ).

thf(59,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( ( ( B = empty_set )
         => ( ( ( B @ ( A @ ( C @ quasi_total ) ) )
            <=> ( C = empty_set ) )
            | ( A = empty_set ) ) )
        & ( ( ( B = empty_set )
           => ( A = empty_set ) )
         => ( ( B @ ( A @ ( C @ quasi_total ) ) )
          <=> ( A
              = ( C @ ( B @ ( A @ relation_dom_as_subset ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_funct_2) ).

thf(835,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( ( ( B = empty_set )
         => ( ( ( ( C = empty_set )
               => ( B @ ( A @ ( C @ quasi_total ) ) ) )
              & ( ( B @ ( A @ ( C @ quasi_total ) ) )
               => ( C = empty_set ) ) )
            | ( A = empty_set ) ) )
        & ( ( ( B = empty_set )
           => ( A = empty_set ) )
         => ( ( ( A
                = ( C @ ( B @ ( A @ relation_dom_as_subset ) ) ) )
             => ( B @ ( A @ ( C @ quasi_total ) ) ) )
            & ( ( B @ ( A @ ( C @ quasi_total ) ) )
             => ( A
                = ( C @ ( B @ ( A @ relation_dom_as_subset ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[59]) ).

thf(150,axiom,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( D
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) )
            & ( C
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) ) )
         => ( C = D ) )
     => ? [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
            <=> ( ( D
                  = ( C @ singleton ) )
                & ( A @ ( C @ in ) )
                & ( A @ ( C @ in ) ) ) )
          & ( B @ function )
          & ( B @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_funct_1__e16_22__wellord2__1) ).

thf(1395,plain,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( D
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) )
            & ( C
              = ( B @ singleton ) )
            & ( A @ ( B @ in ) ) )
         => ( C = D ) )
     => ? [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ( ( ( D
                    = ( C @ singleton ) )
                  & ( A @ ( C @ in ) )
                  & ( A @ ( C @ in ) ) )
               => ( B @ ( D @ ( C @ ordered_pair ) @ in ) ) )
              & ( ( B @ ( D @ ( C @ ordered_pair ) @ in ) )
               => ( ( D
                    = ( C @ singleton ) )
                  & ( A @ ( C @ in ) )
                  & ( A @ ( C @ in ) ) ) ) )
          & ( B @ function )
          & ( B @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[150]) ).

thf(2521,plain,
    ( ( sk284 @ relation )
    & ~ ( sk284 @ empty ) ),
    inference(cnf,[status(esa)],[2520]) ).

thf(2522,plain,
    ~ ( sk284 @ empty ),
    inference(cnfConj,[status(thm)],[2521]) ).

thf(11,axiom,
    ! [A: $i] : ( A @ inclusion_relation @ antisymmetric ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_wellord2) ).

thf(422,plain,
    ! [A: $i] : ( A @ inclusion_relation @ antisymmetric ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(352,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_intersection2 ) )
      = ( A @ ( B @ set_intersection2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

thf(2815,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_intersection2 ) )
      = ( A @ ( B @ set_intersection2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[352]) ).

thf(134,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( A @ ( B @ subset ) )
        & ( B @ ( A @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(1303,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( A @ ( B @ subset ) )
          & ( B @ ( A @ subset ) ) )
       => ( A = B ) )
      & ( ( A = B )
       => ( ( A @ ( B @ subset ) )
          & ( B @ ( A @ subset ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[134]) ).

thf(221,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ singleton @ ( A @ set_difference ) )
        = A )
    <=> ~ ( A @ ( B @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_zfmisc_1) ).

thf(1859,plain,
    ! [A: $i,B: $i] :
      ( ( ~ ( A @ ( B @ in ) )
       => ( ( B @ singleton @ ( A @ set_difference ) )
          = A ) )
      & ( ( ( B @ singleton @ ( A @ set_difference ) )
          = A )
       => ~ ( A @ ( B @ in ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[221]) ).

thf(168,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( B @ ( A @ cartesian_product2 ) ) )
    <=> ! [D: $i] :
          ( ( C @ ( D @ in ) )
        <=> ? [E: $i,F: $i] :
              ( ( D
                = ( F @ ( E @ ordered_pair ) ) )
              & ( B @ ( F @ in ) )
              & ( A @ ( E @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_zfmisc_1) ).

thf(1495,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( ? [E: $i,F: $i] :
                  ( ( D
                    = ( F @ ( E @ ordered_pair ) ) )
                  & ( B @ ( F @ in ) )
                  & ( A @ ( E @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ? [E: $i,F: $i] :
                  ( ( D
                    = ( F @ ( E @ ordered_pair ) ) )
                  & ( B @ ( F @ in ) )
                  & ( A @ ( E @ in ) ) ) ) )
       => ( C
          = ( B @ ( A @ cartesian_product2 ) ) ) )
      & ( ( C
          = ( B @ ( A @ cartesian_product2 ) ) )
       => ! [D: $i] :
            ( ( ? [E: $i,F: $i] :
                  ( ( D
                    = ( F @ ( E @ ordered_pair ) ) )
                  & ( B @ ( F @ in ) )
                  & ( A @ ( E @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ? [E: $i,F: $i] :
                  ( ( D
                    = ( F @ ( E @ ordered_pair ) ) )
                  & ( B @ ( F @ in ) )
                  & ( A @ ( E @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[168]) ).

thf(97,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ equipotent ) )
     => ( A @ ( B @ equipotent ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r2_wellord2) ).

thf(1033,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ equipotent ) )
     => ( A @ ( B @ equipotent ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[97]) ).

thf(255,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ! [C: $i] :
          ( ( C @ relation )
         => ( ( C
              = ( B @ ( A @ relation_rng_restriction ) ) )
          <=> ! [D: $i,E: $i] :
                ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
              <=> ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                  & ( A @ ( E @ in ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_relat_1) ).

thf(2091,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ! [C: $i] :
          ( ( C @ relation )
         => ( ( ! [D: $i,E: $i] :
                  ( ( ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                  & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) ) ) )
             => ( C
                = ( B @ ( A @ relation_rng_restriction ) ) ) )
            & ( ( C
                = ( B @ ( A @ relation_rng_restriction ) ) )
             => ! [D: $i,E: $i] :
                  ( ( ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) )
                   => ( C @ ( E @ ( D @ ordered_pair ) @ in ) ) )
                  & ( ( C @ ( E @ ( D @ ordered_pair ) @ in ) )
                   => ( ( B @ ( E @ ( D @ ordered_pair ) @ in ) )
                      & ( A @ ( E @ in ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[255]) ).

thf(49,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( B @ ( A @ set_union2 ) ) )
    <=> ! [D: $i] :
          ( ( C @ ( D @ in ) )
        <=> ( ( B @ ( D @ in ) )
            | ( A @ ( D @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

thf(696,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( ( ( B @ ( D @ in ) )
                | ( A @ ( D @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ( B @ ( D @ in ) )
                | ( A @ ( D @ in ) ) ) ) )
       => ( C
          = ( B @ ( A @ set_union2 ) ) ) )
      & ( ( C
          = ( B @ ( A @ set_union2 ) ) )
       => ! [D: $i] :
            ( ( ( ( B @ ( D @ in ) )
                | ( A @ ( D @ in ) ) )
             => ( C @ ( D @ in ) ) )
            & ( ( C @ ( D @ in ) )
             => ( ( B @ ( D @ in ) )
                | ( A @ ( D @ in ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(141,axiom,
    empty_set @ empty,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(1346,plain,
    empty_set @ empty,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[141]) ).

thf(138,axiom,
    ( ( ( empty_set @ relation_rng )
      = empty_set )
    & ( ( empty_set @ relation_dom )
      = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_relat_1) ).

thf(1335,plain,
    ( ( ( empty_set @ relation_rng )
      = empty_set )
    & ( ( empty_set @ relation_dom )
      = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[138]) ).

thf(1693,plain,
    sk168 @ epsilon_transitive,
    inference(cnfConj,[status(thm)],[1692]) ).

thf(316,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t92_zfmisc_1) ).

thf(2572,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[316]) ).

thf(31,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ connected )
      <=> ! [B: $i,C: $i] :
            ~ ( ~ ( A @ ( B @ ( C @ ordered_pair ) @ in ) )
              & ~ ( A @ ( C @ ( B @ ordered_pair ) @ in ) )
              & ( B != C )
              & ( A @ relation_field @ ( C @ in ) )
              & ( A @ relation_field @ ( B @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_wellord1) ).

thf(532,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ! [B: $i,C: $i] :
              ~ ( ~ ( A @ ( B @ ( C @ ordered_pair ) @ in ) )
                & ~ ( A @ ( C @ ( B @ ordered_pair ) @ in ) )
                & ( B != C )
                & ( A @ relation_field @ ( C @ in ) )
                & ( A @ relation_field @ ( B @ in ) ) )
         => ( A @ connected ) )
        & ( ( A @ connected )
         => ! [B: $i,C: $i] :
              ~ ( ~ ( A @ ( B @ ( C @ ordered_pair ) @ in ) )
                & ~ ( A @ ( C @ ( B @ ordered_pair ) @ in ) )
                & ( B != C )
                & ( A @ relation_field @ ( C @ in ) )
                & ( A @ relation_field @ ( B @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(100,axiom,
    ! [A: $i] :
      ( ( A @ powerset @ union )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(1065,plain,
    ! [A: $i] :
      ( ( A @ powerset @ union )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[100]) ).

thf(143,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ empty ) )
     => ( ( A @ ( B @ relation_composition ) @ relation )
        & ( A @ ( B @ relation_composition ) @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc10_relat_1) ).

thf(1352,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ empty ) )
     => ( ( A @ ( B @ relation_composition ) @ relation )
        & ( A @ ( B @ relation_composition ) @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[143]) ).

thf(241,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ~ ( ( ( B @ ( A @ complements_of_subsets ) )
            = empty_set )
          & ( B != empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_setfam_1) ).

thf(1977,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ powerset @ ( B @ element ) )
     => ~ ( ( ( B @ ( A @ complements_of_subsets ) )
            = empty_set )
          & ( B != empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[241]) ).

thf(296,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ ( C @ cartesian_product2 ) @ ( B @ ( A @ ordered_pair ) @ in ) )
    <=> ( ( D @ ( B @ in ) )
        & ( C @ ( A @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t106_zfmisc_1) ).

thf(2430,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ( D @ ( B @ in ) )
          & ( C @ ( A @ in ) ) )
       => ( D @ ( C @ cartesian_product2 ) @ ( B @ ( A @ ordered_pair ) @ in ) ) )
      & ( ( D @ ( C @ cartesian_product2 ) @ ( B @ ( A @ ordered_pair ) @ in ) )
       => ( ( D @ ( B @ in ) )
          & ( C @ ( A @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[296]) ).

thf(92,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ relation_composition ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_relat_1) ).

thf(1019,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ relation_composition ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[92]) ).

thf(50,axiom,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ unordered_pair ) @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(723,plain,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ unordered_pair ) @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).

thf(14,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( B @ ( A @ is_transitive_in ) )
        <=> ! [C: $i,D: $i,E: $i] :
              ( ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                & ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                & ( B @ ( E @ in ) )
                & ( B @ ( D @ in ) )
                & ( B @ ( C @ in ) ) )
             => ( A @ ( E @ ( C @ ordered_pair ) @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_relat_2) ).

thf(442,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i] :
          ( ( ! [C: $i,D: $i,E: $i] :
                ( ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                  & ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                  & ( B @ ( E @ in ) )
                  & ( B @ ( D @ in ) )
                  & ( B @ ( C @ in ) ) )
               => ( A @ ( E @ ( C @ ordered_pair ) @ in ) ) )
           => ( B @ ( A @ is_transitive_in ) ) )
          & ( ( B @ ( A @ is_transitive_in ) )
           => ! [C: $i,D: $i,E: $i] :
                ( ( ( A @ ( E @ ( D @ ordered_pair ) @ in ) )
                  & ( A @ ( D @ ( C @ ordered_pair ) @ in ) )
                  & ( B @ ( E @ in ) )
                  & ( B @ ( D @ in ) )
                  & ( B @ ( C @ in ) ) )
               => ( A @ ( E @ ( C @ ordered_pair ) @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(351,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( B
              = ( A @ ( C @ relation_dom_restriction ) ) )
          <=> ( ! [D: $i] :
                  ( ( B @ relation_dom @ ( D @ in ) )
                 => ( ( D @ ( B @ apply ) )
                    = ( D @ ( C @ apply ) ) ) )
              & ( ( B @ relation_dom )
                = ( A @ ( C @ relation_dom @ set_intersection2 ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t68_funct_1) ).

thf(2803,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ! [C: $i] :
          ( ( ( C @ function )
            & ( C @ relation ) )
         => ( ( ( ! [D: $i] :
                    ( ( B @ relation_dom @ ( D @ in ) )
                   => ( ( D @ ( B @ apply ) )
                      = ( D @ ( C @ apply ) ) ) )
                & ( ( B @ relation_dom )
                  = ( A @ ( C @ relation_dom @ set_intersection2 ) ) ) )
             => ( B
                = ( A @ ( C @ relation_dom_restriction ) ) ) )
            & ( ( B
                = ( A @ ( C @ relation_dom_restriction ) ) )
             => ( ! [D: $i] :
                    ( ( B @ relation_dom @ ( D @ in ) )
                   => ( ( D @ ( B @ apply ) )
                      = ( D @ ( C @ apply ) ) ) )
                & ( ( B @ relation_dom )
                  = ( A @ ( C @ relation_dom @ set_intersection2 ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[351]) ).

thf(62,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ antisymmetric )
      <=> ( A @ relation_field @ ( A @ is_antisymmetric_in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_relat_2) ).

thf(860,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ( A @ relation_field @ ( A @ is_antisymmetric_in ) )
         => ( A @ antisymmetric ) )
        & ( ( A @ antisymmetric )
         => ( A @ relation_field @ ( A @ is_antisymmetric_in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[62]) ).

thf(371,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ finite )
      & ( B @ natural )
      & ( B @ ordinal )
      & ( B @ epsilon_connected )
      & ( B @ epsilon_transitive )
      & ( B @ one_to_one )
      & ( B @ function )
      & ( B @ relation )
      & ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_finset_1) ).

thf(2898,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ finite )
      & ( B @ natural )
      & ( B @ ordinal )
      & ( B @ epsilon_connected )
      & ( B @ epsilon_transitive )
      & ( B @ one_to_one )
      & ( B @ function )
      & ( B @ relation )
      & ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[371]) ).

thf(149,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( A @ ( C @ in ) )
        <=> ( B @ ( C @ in ) ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_tarski) ).

thf(1384,plain,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( ( B @ ( C @ in ) )
           => ( A @ ( C @ in ) ) )
          & ( ( A @ ( C @ in ) )
           => ( B @ ( C @ in ) ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[149]) ).

thf(301,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ! [C: $i] :
          ( ( B @ ( C @ in ) )
         => ( A @ ( C @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_subset_1) ).

thf(2485,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ! [C: $i] :
          ( ( B @ ( C @ in ) )
         => ( A @ ( C @ in ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[301]) ).

thf(273,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ equipotent ) )
    <=> ? [C: $i] :
          ( ( ( C @ relation_rng )
            = B )
          & ( ( C @ relation_dom )
            = A )
          & ( C @ one_to_one )
          & ( C @ function )
          & ( C @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_wellord2) ).

thf(2270,plain,
    ! [A: $i,B: $i] :
      ( ( ? [C: $i] :
            ( ( ( C @ relation_rng )
              = B )
            & ( ( C @ relation_dom )
              = A )
            & ( C @ one_to_one )
            & ( C @ function )
            & ( C @ relation ) )
       => ( B @ ( A @ equipotent ) ) )
      & ( ( B @ ( A @ equipotent ) )
       => ? [C: $i] :
            ( ( ( C @ relation_rng )
              = B )
            & ( ( C @ relation_dom )
              = A )
            & ( C @ one_to_one )
            & ( C @ function )
            & ( C @ relation ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[273]) ).

thf(189,axiom,
    ! [A: $i] :
      ( ( A @ identity_relation @ function )
      & ( A @ identity_relation @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_funct_1) ).

thf(1621,plain,
    ! [A: $i] :
      ( ( A @ identity_relation @ function )
      & ( A @ identity_relation @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[189]) ).

thf(38,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ reflexive )
      <=> ! [B: $i] :
            ( ( A @ relation_field @ ( B @ in ) )
           => ( A @ ( B @ ( B @ ordered_pair ) @ in ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_wellord1) ).

thf(607,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( ! [B: $i] :
              ( ( A @ relation_field @ ( B @ in ) )
             => ( A @ ( B @ ( B @ ordered_pair ) @ in ) ) )
         => ( A @ reflexive ) )
        & ( ( A @ reflexive )
         => ! [B: $i] :
              ( ( A @ relation_field @ ( B @ in ) )
             => ( A @ ( B @ ( B @ ordered_pair ) @ in ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(259,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ disjoint ) )
    <=> ( ( B @ ( A @ set_difference ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t83_xboole_1) ).

thf(2138,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( B @ ( A @ set_difference ) )
          = A )
       => ( B @ ( A @ disjoint ) ) )
      & ( ( B @ ( A @ disjoint ) )
       => ( ( B @ ( A @ set_difference ) )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[259]) ).

thf(341,axiom,
    ! [A: $i] :
      ( ( A @ relation )
    <=> ! [B: $i] :
          ~ ( ! [C: $i,D: $i] :
                ( B
               != ( D @ ( C @ ordered_pair ) ) )
            & ( A @ ( B @ in ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relat_1) ).

thf(2754,plain,
    ! [A: $i] :
      ( ( ! [B: $i] :
            ~ ( ! [C: $i,D: $i] :
                  ( B
                 != ( D @ ( C @ ordered_pair ) ) )
              & ( A @ ( B @ in ) ) )
       => ( A @ relation ) )
      & ( ( A @ relation )
       => ! [B: $i] :
            ~ ( ! [C: $i,D: $i] :
                  ( B
                 != ( D @ ( C @ ordered_pair ) ) )
              & ( A @ ( B @ in ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[341]) ).

thf(89,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ singleton )
        = ( C @ ( B @ unordered_pair ) ) )
     => ( B = C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t9_zfmisc_1) ).

thf(1009,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ singleton )
        = ( C @ ( B @ unordered_pair ) ) )
     => ( B = C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[89]) ).

thf(179,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ( A @ powerset @ ( B @ ( A @ subset_complement ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_subset_1) ).

thf(1565,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ( A @ powerset @ ( B @ ( A @ subset_complement ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[179]) ).

thf(32,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2_as_subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m2_relset_1) ).

thf(543,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2_as_subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(251,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A @ relation_empty_yielding )
        & ( A @ relation ) )
     => ( ( B @ ( A @ relation_dom_restriction ) @ relation_empty_yielding )
        & ( B @ ( A @ relation_dom_restriction ) @ relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc13_relat_1) ).

thf(2059,plain,
    ! [A: $i,B: $i] :
      ( ( ( A @ relation_empty_yielding )
        & ( A @ relation ) )
     => ( ( B @ ( A @ relation_dom_restriction ) @ relation_empty_yielding )
        & ( B @ ( A @ relation_dom_restriction ) @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[251]) ).

thf(1416,plain,
    sk139 @ epsilon_transitive,
    inference(cnfConj,[status(thm)],[1414]) ).

thf(40,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( ( C @ ( B @ ( A @ relation_rng_as_subset ) ) )
        = ( C @ relation_rng ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_relset_1) ).

thf(639,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2 ) ) )
     => ( ( C @ ( B @ ( A @ relation_rng_as_subset ) ) )
        = ( C @ relation_rng ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(159,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_inverse @ relation )
        & ( A @ relation_inverse @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc11_relat_1) ).

thf(1449,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_inverse @ relation )
        & ( A @ relation_inverse @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[159]) ).

thf(165,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( A @ ( C @ in ) )
        & ( C @ ( B @ in ) )
        & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_ordinal1) ).

thf(1468,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( A @ ( C @ in ) )
        & ( C @ ( B @ in ) )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[165]) ).

thf(496,plain,
    sk12 @ relation_empty_yielding,
    inference(cnfConj,[status(thm)],[494]) ).

thf(1417,plain,
    sk139 @ epsilon_connected,
    inference(cnfConj,[status(thm)],[1414]) ).

thf(334,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D
        = ( C @ ( B @ ( A @ unordered_triple ) ) ) )
    <=> ! [E: $i] :
          ( ( D @ ( E @ in ) )
        <=> ~ ( ( E != C )
              & ( E != B )
              & ( E != A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_enumset1) ).

thf(2672,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ! [E: $i] :
            ( ( ~ ( ( E != C )
                  & ( E != B )
                  & ( E != A ) )
             => ( D @ ( E @ in ) ) )
            & ( ( D @ ( E @ in ) )
             => ~ ( ( E != C )
                  & ( E != B )
                  & ( E != A ) ) ) )
       => ( D
          = ( C @ ( B @ ( A @ unordered_triple ) ) ) ) )
      & ( ( D
          = ( C @ ( B @ ( A @ unordered_triple ) ) ) )
       => ! [E: $i] :
            ( ( ~ ( ( E != C )
                  & ( E != B )
                  & ( E != A ) )
             => ( D @ ( E @ in ) ) )
            & ( ( D @ ( E @ in ) )
             => ~ ( ( E != C )
                  & ( E != B )
                  & ( E != A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[334]) ).

thf(366,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( C @ ( B @ set_intersection2 ) @ ( C @ ( A @ set_intersection2 ) @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t26_xboole_1) ).

thf(2879,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( C @ ( B @ set_intersection2 ) @ ( C @ ( A @ set_intersection2 ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[366]) ).

thf(18,axiom,
    ! [A: $i] :
      ( ( A @ being_limit_ordinal )
    <=> ( A
        = ( A @ union ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_ordinal1) ).

thf(469,plain,
    ! [A: $i] :
      ( ( ( A
          = ( A @ union ) )
       => ( A @ being_limit_ordinal ) )
      & ( ( A @ being_limit_ordinal )
       => ( A
          = ( A @ union ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(232,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_rng @ ( A @ relation_dom @ cartesian_product2 ) @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_relat_1) ).

thf(1944,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_rng @ ( A @ relation_dom @ cartesian_product2 ) @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[232]) ).

thf(145,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(1367,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[145]) ).

thf(277,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ( ( B @ ( A @ in ) )
       => ( A @ ordinal ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_ordinal1) ).

thf(2297,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ( ( B @ ( A @ in ) )
       => ( A @ ordinal ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[277]) ).

thf(56,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( B @ ( A @ fiber ) ) )
        <=> ! [D: $i] :
              ( ( C @ ( D @ in ) )
            <=> ( ( A @ ( B @ ( D @ ordered_pair ) @ in ) )
                & ( D != B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_wellord1) ).

thf(775,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ! [B: $i,C: $i] :
          ( ( ! [D: $i] :
                ( ( ( ( A @ ( B @ ( D @ ordered_pair ) @ in ) )
                    & ( D != B ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ( ( A @ ( B @ ( D @ ordered_pair ) @ in ) )
                    & ( D != B ) ) ) )
           => ( C
              = ( B @ ( A @ fiber ) ) ) )
          & ( ( C
              = ( B @ ( A @ fiber ) ) )
           => ! [D: $i] :
                ( ( ( ( A @ ( B @ ( D @ ordered_pair ) @ in ) )
                    & ( D != B ) )
                 => ( C @ ( D @ in ) ) )
                & ( ( C @ ( D @ in ) )
                 => ( ( A @ ( B @ ( D @ ordered_pair ) @ in ) )
                    & ( D != B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[56]) ).

thf(22,axiom,
    ! [A: $i,B: $i] : ( B @ ( A @ set_union2 ) @ ( A @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(491,plain,
    ! [A: $i,B: $i] : ( B @ ( A @ set_union2 ) @ ( A @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(106,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( C @ cartesian_product2 ) @ ( A @ ( C @ cartesian_product2 ) @ subset ) )
        & ( C @ ( B @ cartesian_product2 ) @ ( C @ ( A @ cartesian_product2 ) @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t118_zfmisc_1) ).

thf(1088,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( C @ cartesian_product2 ) @ ( A @ ( C @ cartesian_product2 ) @ subset ) )
        & ( C @ ( B @ cartesian_product2 ) @ ( C @ ( A @ cartesian_product2 ) @ subset ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[106]) ).

thf(3406,plain,
    $false,
    inference(e,[status(thm)],[1024,1369,2341,1729,1549,1554,1879,1718,893,1840,1315,2499,2427,2480,2210,1290,1068,2495,1073,1205,408,977,1422,1569,384,1137,2607,1164,2712,2146,1222,1458,1867,500,1095,1196,1835,1127,1441,885,1935,2067,1703,2654,1287,2039,1660,2217,802,1455,2562,1832,1792,1430,853,2767,416,1115,2520,1641,1778,2829,1347,1572,1946,2027,1373,376,2650,1418,485,514,937,2555,905,2237,1415,1334,646,2833,692,1447,1886,2530,1351,2750,1201,1696,2367,2437,2922,920,2910,1691,2574,2364,381,1915,1783,2790,2660,1057,2232,2307,2705,1021,1580,1255,424,1560,1343,2560,2890,729,2670,1951,522,889,493,1027,1740,1106,916,2445,1968,879,1555,2826,2820,1888,1296,2769,1012,1350,1541,874,1953,2895,2841,1121,2577,1856,1587,1096,388,1138,420,989,857,519,742,578,2377,948,2801,2709,1970,1567,1329,2877,488,2868,2312,642,1584,1937,1744,1419,1539,2487,654,2581,911,2497,1599,1715,1627,1552,2243,1333,2788,2926,1695,1846,1035,2221,1167,2645,2662,662,2043,508,1466,1071,2793,2089,1135,2292,1959,2033,1301,689,2524,1007,2048,1884,2514,1535,1701,545,1139,382,572,2055,2557,1464,1356,406,2478,2637,1574,1349,377,1144,649,2065,979,604,1603,2299,599,2871,1439,477,1080,2742,1557,1630,726,1838,2785,1344,1556,1381,462,1877,1471,2605,2610,1149,2874,943,2664,1293,2553,1171,2350,2212,1528,883,1015,986,1477,1694,658,1562,1973,1805,1413,1948,2239,2914,1662,426,2318,2652,1420,2124,516,458,887,954,739,2888,2882,2831,2747,1785,951,1130,1738,1980,2128,1543,1141,2379,2320,864,1094,1797,2892,991,2838,2113,1881,612,497,876,465,2045,2818,1157,2194,2215,1781,771,1918,1649,2310,1844,2347,495,2226,1453,2643,2658,2775,2167,2283,1341,2532,946,2764,418,1558,2394,2823,390,1030,2384,1077,832,2036,1444,2917,1161,914,378,2374,2287,1774,2302,835,1395,2522,422,373,2815,1303,1859,1495,1033,2091,696,1346,1335,1693,2572,532,1065,1352,1977,2430,1019,723,442,2803,860,2898,1384,2485,2270,1621,607,2138,1331,2754,1009,1565,543,2059,1416,639,1449,1468,496,1417,2672,2879,469,1944,1367,2297,775,491,1088]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU295+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.08  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.14/0.41  % Computer : n008.cluster.edu
% 0.14/0.41  % Model    : x86_64 x86_64
% 0.14/0.41  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.41  % Memory   : 8046.5625MB
% 0.14/0.41  % OS       : Linux 6.8.0-71-generic
% 0.14/0.41  % CPULimit : 300
% 0.14/0.41  % WCLimit  : 300
% 0.14/0.41  % DateTime : Sat Sep 26 09:08:09 UTC 2026
% 0.14/0.41  % CPUTime  : 
% 0.14/0.41  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.88/1.01  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.87/1.38  % [INFO] 	 Parsing done (363ms). 
% 1.87/1.39  % [INFO] 	 Running in sequential loop mode. 
% 3.17/1.78  % [INFO] 	 eprover registered as external prover. 
% 3.17/1.78  % [INFO] 	 Scanning for conjecture ... 
% 3.81/1.95  % [INFO] 	 Found a conjecture (or negated_conjecture) and 397 axioms. Running axiom selection ... 
% 4.63/2.14  % [INFO] 	 Axiom selection finished. Selected 370 axioms (removed 27 axioms). 
% 5.68/2.48  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 6.10/2.51  % [INFO] 	 Type checking passed. 
% 6.10/2.52  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 24.75/7.01  % External prover 'e' found a proof!
% 24.75/7.01  % [INFO] 	 Killing All external provers ... 
% 24.75/7.01  % Time passed: 6454ms (effective reasoning time: 5615ms)
% 24.75/7.01  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 24.75/7.01  % Axioms used in derivation (370): d1_enumset1, redefinition_m2_relset_1, redefinition_r1_ordinal1, d1_wellord2, l3_wellord1, s3_funct_1__e16_22__wellord2, cc2_finset_1, fc1_zfmisc_1, d1_tarski, t30_relat_1, t147_funct_1, d4_funct_1, t32_wellord1, t19_xboole_1, t99_relat_1, t17_xboole_1, t90_relat_1, t43_subset_1, t54_wellord1, d6_relat_2, l82_funct_1, idempotence_k3_xboole_0, d4_ordinal1, t1_boole, t39_wellord1, t3_xboole_1, dt_k4_relset_1, dt_k5_relset_1, d5_relat_1, l1_wellord1, l2_wellord1, fc1_xboole_0, dt_k2_subset_1, cc2_arytm_3, d5_tarski, fc4_relat_1, d12_relat_1, t44_relat_1, fc4_funct_1, t1_subset, t144_relat_1, fc4_subset_1, t22_funct_1, fc3_relat_1, d8_funct_1, t117_relat_1, t2_boole, t32_ordinal1, t47_relat_1, fc9_relat_1, l3_subset_1, t99_zfmisc_1, t47_setfam_1, fc1_funct_1, s1_tarski__e10_24__wellord2__2, d1_wellord1, rc2_partfun1, d9_funct_1, rc3_funct_1, t56_relat_1, t37_xboole_1, dt_m2_relset_1, cc1_relat_1, redefinition_k6_setfam_1, t55_funct_1, t21_ordinal1, t26_wellord2, commutativity_k3_xboole_0, s1_tarski__e6_22__wellord2__1, t62_funct_1, fc11_finset_1, d2_tarski, d4_subset_1, involutiveness_k3_subset_1, rc1_funct_1, fc2_xboole_0, d1_xboole_0, t64_relat_1, d6_ordinal1, l50_zfmisc_1, t23_funct_1, t46_funct_2, s1_tarski__e6_21__wellord2__1, t34_funct_1, t118_zfmisc_1, fc10_finset_1, d3_wellord1, t14_relset_1, t16_relset_1, rc3_relat_1, t6_boole, t4_wellord2, dt_k6_subset_1, d1_relat_1, d13_relat_1, t46_zfmisc_1, rc2_subset_1, s1_xboole_0__e6_21__wellord2__1, t1_xboole_1, d9_relat_2, t28_wellord2, t31_ordinal1, t116_relat_1, cc2_ordinal1, commutativity_k2_xboole_0, fc3_subset_1, t5_subset, d4_relat_1, t4_xboole_0, d12_relat_2, cc1_arytm_3, d4_wellord2, existence_m1_relset_1, l25_zfmisc_1, t1_zfmisc_1, t17_wellord1, fc2_subset_1, d8_xboole_0, t5_wellord2, d5_wellord1, d1_ordinal1, s1_relat_1__e6_21__wellord2, t3_wellord2, rc4_funct_1, fc2_funct_1, t5_wellord1, t8_funct_1, t166_relat_1, l32_xboole_1, t8_zfmisc_1, t23_wellord1, t2_tarski, s1_ordinal1__e8_6__wellord2, t33_xboole_1, t4_boole, t146_funct_1, d13_funct_1, dt_k4_relat_1, t4_subset, fc3_xboole_0, t178_relat_1, d2_xboole_0, dt_k2_funct_1, t20_wellord1, rc1_arytm_3, t19_wellord1, fc13_relat_1, d4_tarski, t18_wellord1, d16_relat_2, t9_zfmisc_1, reflexivity_r2_wellord2, t174_relat_1, redefinition_k5_setfam_1, involutiveness_k4_relat_1, cc1_ordinal1, t7_boole, t21_wellord1, cc1_funct_1, t23_ordinal1, s1_tarski__e10_24__wellord2__1, t118_relat_1, d10_relat_1, s1_tarski__e16_22__wellord2__2, t143_relat_1, d2_subset_1, t48_xboole_1, t3_ordinal1, l4_wellord1, dt_k1_wellord2, fc1_subset_1, t33_zfmisc_1, fc5_funct_1, t13_finset_1, t24_wellord1, fc3_ordinal1, rc2_funct_1, d11_relat_1, connectedness_r1_ordinal1, t21_funct_2, t8_wellord1, t9_funct_2, t160_relat_1, fc10_relat_1, rc1_subset_1, cc3_ordinal1, t74_relat_1, rc1_funct_2, t2_wellord2, rc3_ordinal1, t83_xboole_1, t45_relat_1, l28_zfmisc_1, t140_relat_1, d14_relat_1, s1_funct_1__e10_24__wellord2__1, s1_xboole_0__e16_22__wellord2__1, d7_xboole_0, fc5_relat_1, cc2_funct_1, t46_setfam_1, d2_wellord1, l4_zfmisc_1, t3_subset, cc1_relset_1, t22_relset_1, t24_ordinal1, t33_ordinal1, t115_relat_1, existence_m1_subset_1, antisymmetry_r2_xboole_0, dt_k6_setfam_1, d2_zfmisc_1, fc11_relat_1, l3_zfmisc_1, commutativity_k2_tarski, d7_relat_1, rc1_ordinal1, t106_zfmisc_1, t25_wellord1, t145_funct_1, l71_subset_1, dt_k7_relat_1, t7_wellord2, l2_zfmisc_1, d8_relat_1, t42_ordinal1, t94_relat_1, t48_setfam_1, d4_wellord1, d5_subset_1, t92_zfmisc_1, t146_relat_1, t70_funct_1, t31_wellord1, d1_zfmisc_1, t69_enumset1, t41_ordinal1, d7_wellord1, existence_m2_relset_1, t38_zfmisc_1, l55_zfmisc_1, s1_tarski__e8_6__wellord2__1, t10_ordinal1, dt_k8_relat_1, d8_setfam_1, t26_xboole_1, t63_xboole_1, t22_wellord1, rc2_relat_1, t72_funct_1, t6_wellord2, t25_wellord2, involutiveness_k7_setfam_1, s1_tarski__e16_22__wellord2__1, t6_funct_2, t8_xboole_1, t37_relat_1, d3_tarski, t39_zfmisc_1, t119_zfmisc_1, s1_xboole_0__e10_24__wellord2__1, rc1_relat_1, t60_relat_1, t54_funct_1, rc2_finset_1, dt_k5_relat_1, reflexivity_r1_tarski, t28_xboole_1, d1_relset_1, t6_zfmisc_1, dt_k6_relat_1, reflexivity_r1_ordinal1, t2_xboole_1, s1_xboole_0__e6_22__wellord2, fc6_relat_1, d1_funct_2, d12_funct_1, d3_ordinal1, t46_relat_1, rc2_ordinal1, d4_xboole_0, d14_relat_2, t35_funct_1, t36_xboole_1, t20_relat_1, dt_k5_setfam_1, rc3_finset_1, t68_funct_1, dt_k7_setfam_1, t21_funct_1, dt_k2_wellord1, d1_relat_2, fc1_relat_1, d6_wellord1, d6_relat_1, l23_zfmisc_1, t54_subset_1, rc1_finset_1, cc1_finset_1, s2_funct_1__e10_24__wellord2, s1_funct_1__e16_22__wellord2__1, t136_zfmisc_1, t8_boole, rc1_xboole_0, fc3_funct_1, t16_wellord1, t12_xboole_1, d3_relat_1, fc7_relat_1, fc1_ordinal1, t49_wellord1, t86_relat_1, fc8_relat_1, s1_xboole_0__e8_6__wellord2__1, t10_zfmisc_1, t2_subset, t37_zfmisc_1, fc2_relat_1, d2_ordinal1, fc12_relat_1, t65_relat_1, t21_relat_1, d1_setfam_1, symmetry_r1_xboole_0, redefinition_r2_wellord2, idempotence_k2_xboole_0, d1_funct_1, l30_wellord2, t9_tarski, t145_relat_1, d10_xboole_0, symmetry_r2_wellord2, t7_xboole_1, t50_subset_1, fc2_ordinal1, t7_tarski, t60_xboole_1, rc1_partfun1, redefinition_k5_relset_1, t57_funct_1, t3_boole, d5_funct_1, redefinition_k6_subset_1, t12_relset_1, redefinition_k4_relset_1, d8_relat_2, t25_relat_1, d4_relat_2, t3_xboole_0, l29_wellord1, s2_funct_1__e16_22__wellord2__1, rc2_xboole_0, t45_xboole_1, fc4_ordinal1, t40_xboole_1, irreflexivity_r2_xboole_0, t53_wellord1, t65_zfmisc_1, d3_xboole_0, d2_relat_1, t39_xboole_1, t71_relat_1, t23_relset_1, t88_relat_1, t167_relat_1, dt_k3_subset_1, l1_zfmisc_1, t119_relat_1, antisymmetry_r2_hidden
% 24.75/7.01  % No. of inferences in proof: 802
% 24.75/7.01  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 6454 ms resp. 5615 ms w/o parsing
% 27.17/7.22  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 27.17/7.23  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------