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

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SEU247+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 : n012.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 08:38:12 AM UTC 2026

% Result   : Theorem 15.01s 4.68s
% Output   : Refutation 16.96s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :  276
% Syntax   : Number of formulae    :  554 (  71 unt;   0 typ;   0 def)
%            Number of atoms       : 2255 ( 423 equ;   0 cnn)
%            Maximal formula atoms :   25 (   4 avg)
%            Number of connectives : 6690 ( 248   ~;  24   |; 760   &;4741   @)
%                                         ( 111 <=>; 806  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   61 (  59 usr;   2 con; 0-3 aty)
%            Number of variables   : 1357 (   0   ^;1261   !;  96   ?;1357   :)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(237,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(1718,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_dom @ ( A @ ( B @ relation_inverse_image ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[237]) ).

thf(191,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(1411,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)],[191]) ).

thf(182,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(1369,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)],[182]) ).

thf(90,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_ordinal1) ).

thf(760,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[90]) ).

thf(165,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_relat_1) ).

thf(1237,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[165]) ).

thf(257,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(1899,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)],[257]) ).

thf(114,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ function ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_funct_1) ).

thf(893,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ function ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[114]) ).

thf(176,axiom,
    ? [A: $i] :
      ( ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_funct_1) ).

thf(1315,plain,
    ? [A: $i] :
      ( ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[176]) ).

thf(158,axiom,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(1200,plain,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[158]) ).

thf(22,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(408,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ singleton )
        = ( C @ ( B @ unordered_pair ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(264,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(1924,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)],[264]) ).

thf(86,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(730,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)],[86]) ).

thf(87,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(741,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ union @ ordinal )
        & ( A @ union @ epsilon_connected )
        & ( A @ union @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[87]) ).

thf(36,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(449,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)],[36]) ).

thf(67,axiom,
    empty_set @ empty,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(614,plain,
    empty_set @ empty,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[67]) ).

thf(208,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(1486,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( A @ ( B @ ( A @ relation_rng_restriction ) @ relation_rng @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[208]) ).

thf(74,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(655,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[74]) ).

thf(51,axiom,
    ? [A: $i] : ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(511,plain,
    ? [A: $i] : ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(150,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(1137,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( ( B @ ( A @ singleton @ set_union2 ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[150]) ).

thf(82,axiom,
    ! [A: $i] :
      ( ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) )
     => ( A @ ordinal ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_ordinal1) ).

thf(715,plain,
    ! [A: $i] :
      ( ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) )
     => ( A @ ordinal ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[82]) ).

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

thf(913,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)],[117]) ).

thf(122,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ( ( B @ ( A @ in ) )
       => ( A @ ordinal ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_ordinal1) ).

thf(945,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ordinal )
     => ( ( B @ ( A @ in ) )
       => ( A @ ordinal ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[122]) ).

thf(202,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(1458,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)],[202]) ).

thf(146,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(1095,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_union2 ) )
      = ( A @ ( B @ set_union2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[146]) ).

thf(220,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(1576,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)],[220]) ).

thf(104,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(841,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( B @ ( A @ set_union2 ) @ set_difference ) )
      = ( B @ ( A @ set_difference ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[104]) ).

thf(226,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(1613,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)],[226]) ).

thf(255,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(1887,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)],[255]) ).

thf(129,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(973,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ in ) )
     => ( ( B @ ( A @ identity_relation @ apply ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[129]) ).

thf(112,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ singleton @ subset ) )
    <=> ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l2_zfmisc_1) ).

thf(885,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)],[112]) ).

thf(63,axiom,
    ( ( ( empty_set @ relation_rng )
      = empty_set )
    & ( ( empty_set @ relation_dom )
      = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_relat_1) ).

thf(587,plain,
    ( ( ( empty_set @ relation_rng )
      = empty_set )
    & ( ( empty_set @ relation_dom )
      = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[63]) ).

thf(156,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(1191,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)],[156]) ).

thf(142,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( B @ ( A @ set_union2 ) @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(1059,plain,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( B @ ( A @ set_union2 ) @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[142]) ).

thf(175,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(1313,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)],[175]) ).

thf(172,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(1279,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[172]) ).

thf(24,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(416,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)],[24]) ).

thf(276,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(2024,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)],[276]) ).

thf(6,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(289,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)],[6]) ).

thf(180,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(1362,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ ( B @ relation_dom_restriction ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[180]) ).

thf(263,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(1922,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ relation_composition ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[263]) ).

thf(116,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(902,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)],[116]) ).

thf(233,axiom,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(1704,plain,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[233]) ).

thf(26,axiom,
    ( ( empty_set @ powerset )
    = ( empty_set @ singleton ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_zfmisc_1) ).

thf(421,plain,
    ( ( empty_set @ powerset )
    = ( empty_set @ singleton ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(260,axiom,
    ( ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(1911,plain,
    ( ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[260]) ).

thf(103,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(834,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)],[103]) ).

thf(95,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(806,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)],[95]) ).

thf(222,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(1581,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)],[222]) ).

thf(44,axiom,
    ! [A: $i] :
      ~ ( A @ succ @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_ordinal1) ).

thf(480,plain,
    ! [A: $i] :
      ~ ( A @ succ @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(153,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(1151,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)],[153]) ).

thf(119,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(937,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)],[119]) ).

thf(186,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_inverse @ relation )
        & ( A @ relation_inverse @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc11_relat_1) ).

thf(1383,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_inverse @ relation )
        & ( A @ relation_inverse @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[186]) ).

thf(18,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(348,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)],[18]) ).

thf(155,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(1183,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)],[155]) ).

thf(173,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(1283,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)],[173]) ).

thf(66,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( A @ ( B @ subset ) )
        & ( B @ ( A @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(602,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)],[66]) ).

thf(110,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(877,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ subset ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[110]) ).

thf(37,axiom,
    ! [A: $i] : ( A @ succ @ ( A @ in ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_ordinal1) ).

thf(453,plain,
    ! [A: $i] : ( A @ succ @ ( A @ in ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(92,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(774,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)],[92]) ).

thf(76,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(660,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)],[76]) ).

thf(197,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(1433,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)],[197]) ).

thf(212,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(1521,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)],[212]) ).

thf(56,axiom,
    ! [A: $i,B: $i] : ( B @ ( A @ set_union2 ) @ ( A @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(527,plain,
    ! [A: $i,B: $i] : ( B @ ( A @ set_union2 ) @ ( A @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[56]) ).

thf(268,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(1975,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)],[268]) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ powerset @ ( A @ element ) )
    <=> ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(307,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)],[11]) ).

thf(57,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(529,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)],[57]) ).

thf(21,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(381,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)],[21]) ).

thf(203,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_dom @ relation )
        & ( A @ relation_dom @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(1470,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_dom @ relation )
        & ( A @ relation_dom @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[203]) ).

thf(141,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(1057,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)],[141]) ).

thf(121,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_union2 ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_xboole_1) ).

thf(942,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_union2 ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[121]) ).

thf(33,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(439,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)],[33]) ).

thf(187,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(1387,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)],[187]) ).

thf(126,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( A @ ( A @ ordinal_subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_ordinal1) ).

thf(957,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ordinal )
        & ( A @ ordinal ) )
     => ( A @ ( A @ ordinal_subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[126]) ).

thf(100,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( A @ set_intersection2 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

thf(825,plain,
    ! [A: $i] :
      ( ( A @ ( A @ set_intersection2 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[100]) ).

thf(125,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(952,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)],[125]) ).

thf(211,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(1519,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_difference ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[211]) ).

thf(107,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(862,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)],[107]) ).

thf(9,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(297,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)],[9]) ).

thf(77,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
    <=> ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_ordinal1) ).

thf(693,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)],[77]) ).

thf(247,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(1824,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)],[247]) ).

thf(216,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_inverse @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relat_1) ).

thf(1560,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_inverse @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[216]) ).

thf(88,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( A @ set_union2 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

thf(746,plain,
    ! [A: $i] :
      ( ( A @ ( A @ set_union2 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[88]) ).

thf(145,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(1091,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)],[145]) ).

thf(194,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(1423,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)],[194]) ).

thf(70,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(625,plain,
    ! [A: $i] :
      ( ( ( A @ identity_relation @ relation_rng )
        = A )
      & ( ( A @ identity_relation @ relation_dom )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[70]) ).

thf(111,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(879,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)],[111]) ).

thf(55,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc3_ordinal1) ).

thf(522,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(48,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(493,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(136,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(1027,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)],[136]) ).

thf(157,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(1195,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)],[157]) ).

thf(227,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(1634,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)],[227]) ).

thf(80,axiom,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_difference ) @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t36_xboole_1) ).

thf(710,plain,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_difference ) @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[80]) ).

thf(4,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(285,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)],[4]) ).

thf(106,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(852,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)],[106]) ).

thf(31,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(435,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ proper_subset ) )
     => ~ ( A @ ( B @ proper_subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(54,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ subset ) )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(519,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ subset ) )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(270,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(1983,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[270]) ).

thf(109,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(874,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)],[109]) ).

thf(244,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ empty )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_funct_1) ).

thf(1772,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ empty )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[244]) ).

thf(133,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(1017,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)],[133]) ).

thf(68,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(615,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[68]) ).

thf(184,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(1375,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)],[184]) ).

thf(162,axiom,
    ? [A: $i] :
      ( ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(1227,plain,
    ? [A: $i] :
      ( ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[162]) ).

thf(64,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(593,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)],[64]) ).

thf(144,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l50_zfmisc_1) ).

thf(1089,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[144]) ).

thf(164,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(1234,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)],[164]) ).

thf(219,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(1567,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)],[219]) ).

thf(266,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(1942,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)],[266]) ).

thf(15,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(339,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)],[15]) ).

thf(58,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(537,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)],[58]) ).

thf(72,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(642,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)],[72]) ).

thf(246,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(1810,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)],[246]) ).

thf(160,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(1214,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)],[160]) ).

thf(256,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(1889,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)],[256]) ).

thf(128,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(970,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ set_difference ) @ ( A @ set_union2 ) )
      = ( B @ ( A @ set_union2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[128]) ).

thf(178,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(1324,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)],[178]) ).

thf(199,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(1451,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( B @ ( A @ relation_rng_restriction ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[199]) ).

thf(163,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(1231,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)],[163]) ).

thf(148,axiom,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ ordered_pair ) @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(1131,plain,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ ordered_pair ) @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[148]) ).

thf(138,axiom,
    ! [A: $i] : ( A @ ( empty_set @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(1050,plain,
    ! [A: $i] : ( A @ ( empty_set @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[138]) ).

thf(196,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(1429,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)],[196]) ).

thf(236,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(1715,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)],[236]) ).

thf(238,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(1720,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)],[238]) ).

thf(188,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(1393,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)],[188]) ).

thf(213,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc4_funct_1) ).

thf(1525,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[213]) ).

thf(214,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(1530,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)],[214]) ).

thf(201,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(1456,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_intersection2 ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[201]) ).

thf(166,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(1241,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)],[166]) ).

thf(71,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(633,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)],[71]) ).

thf(118,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(921,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)],[118]) ).

thf(75,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(657,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( A @ ( C @ in ) )
        & ( C @ ( B @ in ) )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[75]) ).

thf(210,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(1515,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)],[210]) ).

thf(91,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( A @ ( B @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(765,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)],[91]) ).

thf(140,axiom,
    ! [A: $i] :
      ( ( A @ ( empty_set @ set_difference ) )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_boole) ).

thf(1054,plain,
    ! [A: $i] :
      ( ( A @ ( empty_set @ set_difference ) )
      = empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[140]) ).

thf(23,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(412,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)],[23]) ).

thf(232,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(1698,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)],[232]) ).

thf(161,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(1219,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)],[161]) ).

thf(241,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(1747,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)],[241]) ).

thf(60,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(573,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[60]) ).

thf(19,axiom,
    ! [A: $i] :
      ~ ( A @ powerset @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(375,plain,
    ! [A: $i] :
      ~ ( A @ powerset @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(168,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(1251,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)],[168]) ).

thf(242,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(1764,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)],[242]) ).

thf(52,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( A @ ( B @ proper_subset ) )
        & ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_xboole_1) ).

thf(513,plain,
    ! [A: $i,B: $i] :
      ~ ( ( A @ ( B @ proper_subset ) )
        & ( B @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(29,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(430,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)],[29]) ).

thf(62,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( A @ ( B @ set_union2 ) @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(584,plain,
    ! [A: $i,B: $i] :
      ( ~ ( A @ empty )
     => ~ ( A @ ( B @ set_union2 ) @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[62]) ).

thf(98,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_intersection2 ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t28_xboole_1) ).

thf(819,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( ( B @ ( A @ set_intersection2 ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[98]) ).

thf(27,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(423,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(261,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(1916,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)],[261]) ).

thf(274,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(2016,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)],[274]) ).

thf(7,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(291,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)],[7]) ).

thf(190,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(1403,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)],[190]) ).

thf(209,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(1488,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)],[209]) ).

thf(35,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(445,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)],[35]) ).

thf(12,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(313,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(170,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(1271,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)],[170]) ).

thf(41,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(466,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)],[41]) ).

thf(94,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ disjoint ) )
     => ( A @ ( B @ disjoint ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

thf(804,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ disjoint ) )
     => ( A @ ( B @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[94]) ).

thf(79,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_ordinal1) ).

thf(704,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[79]) ).

thf(123,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ ( A @ in ) )
        & ( B @ ( A @ singleton @ disjoint ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l25_zfmisc_1) ).

thf(947,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ ( A @ in ) )
        & ( B @ ( A @ singleton @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[123]) ).

thf(59,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(540,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)],[59]) ).

thf(102,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_difference ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

thf(831,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_difference ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[102]) ).

thf(250,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(1853,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)],[250]) ).

thf(137,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(1048,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ disjoint ) )
        & ( B @ ( A @ subset ) ) )
     => ( C @ ( A @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[137]) ).

thf(224,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(1589,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)],[224]) ).

thf(239,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(1722,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)],[239]) ).

thf(14,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(318,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)],[14]) ).

thf(65,axiom,
    ? [A: $i] :
      ~ ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(599,plain,
    ? [A: $i] :
      ~ ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[65]) ).

thf(229,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(1667,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)],[229]) ).

thf(43,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ singleton @ ( A @ singleton @ subset ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_zfmisc_1) ).

thf(477,plain,
    ! [A: $i,B: $i] :
      ( ( B @ singleton @ ( A @ singleton @ subset ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(97,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(816,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( ( B @ ( A @ singleton @ set_union2 ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[97]) ).

thf(85,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(726,plain,
    ! [A: $i] :
      ( ! [B: $i] :
          ( ( A @ ( B @ in ) )
         => ( ( A @ ( B @ subset ) )
            & ( B @ ordinal ) ) )
     => ( A @ ordinal ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[85]) ).

thf(45,axiom,
    ! [A: $i] :
      ( ( A @ singleton )
     != empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

thf(483,plain,
    ! [A: $i] :
      ( ( A @ singleton )
     != empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(78,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_ordinal1) ).

thf(700,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[78]) ).

thf(115,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(895,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)],[115]) ).

thf(40,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(462,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)],[40]) ).

thf(17,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(345,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)],[17]) ).

thf(215,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(1557,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)],[215]) ).

thf(131,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(983,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)],[131]) ).

thf(204,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(1474,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)],[204]) ).

thf(167,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(1245,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)],[167]) ).

thf(38,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(455,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( C @ empty )
        & ( C @ powerset @ ( B @ element ) )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(205,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(1477,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)],[205]) ).

thf(181,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(1364,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)],[181]) ).

thf(50,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(505,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)],[50]) ).

thf(73,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(653,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)],[73]) ).

thf(217,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(1562,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)],[217]) ).

thf(1,conjecture,
    ! [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(2,negated_conjecture,
    ~ ! [A: $i,B: $i] :
        ( ( B @ relation )
       => ( ( A @ ( B @ relation_restriction ) )
          = ( A @ ( B @ relation_dom_restriction ) @ ( A @ relation_rng_restriction ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(278,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)],[2]) ).

thf(198,axiom,
    ! [A: $i] :
      ( ( A @ identity_relation @ function )
      & ( A @ identity_relation @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_funct_1) ).

thf(1445,plain,
    ! [A: $i] :
      ( ( A @ identity_relation @ function )
      & ( A @ identity_relation @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[198]) ).

thf(275,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(2022,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ relation_rng @ ( A @ ( B @ relation_image ) @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[275]) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( A @ being_limit_ordinal )
    <=> ( A
        = ( A @ union ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_ordinal1) ).

thf(299,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)],[10]) ).

thf(47,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(490,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)],[47]) ).

thf(89,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(749,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)],[89]) ).

thf(120,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(939,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)],[120]) ).

thf(16,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(342,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)],[16]) ).

thf(39,axiom,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(458,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(259,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(1905,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)],[259]) ).

thf(193,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ relation )
     => ( B @ ( A @ relation_restriction ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_wellord1) ).

thf(1420,plain,
    ! [A: $i,B: $i] :
      ( ( A @ relation )
     => ( B @ ( A @ relation_restriction ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[193]) ).

thf(149,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_intersection2 ) )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_boole) ).

thf(1134,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_intersection2 ) )
      = empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[149]) ).

thf(46,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(487,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( A @ singleton )
        = ( C @ ( B @ unordered_pair ) ) )
     => ( B = C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(69,axiom,
    ! [A: $i] :
      ( ( A @ epsilon_transitive )
    <=> ! [B: $i] :
          ( ( A @ ( B @ in ) )
         => ( A @ ( B @ subset ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_ordinal1) ).

thf(617,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)],[69]) ).

thf(53,axiom,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_union2 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_boole) ).

thf(516,plain,
    ! [A: $i] :
      ( ( empty_set @ ( A @ set_union2 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

thf(135,axiom,
    ! [A: $i,B: $i] : ( A @ ( A @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(1025,plain,
    ! [A: $i] : ( A @ ( A @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[135]) ).

thf(108,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(872,plain,
    ! [A: $i,B: $i] :
      ( ( ~ ( B @ empty )
        & ~ ( A @ empty ) )
     => ~ ( B @ ( A @ cartesian_product2 ) @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[108]) ).

thf(225,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(1611,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ relation )
        & ( A @ relation ) )
     => ( B @ ( A @ set_union2 ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[225]) ).

thf(240,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(1743,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)],[240]) ).

thf(207,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(1484,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)],[207]) ).

thf(147,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(1098,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)],[147]) ).

thf(81,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(712,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ subset ) )
     => ( B
        = ( A @ ( B @ set_difference ) @ ( A @ set_union2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[81]) ).

thf(243,axiom,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_dom @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(1770,plain,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_dom @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[243]) ).

thf(271,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(1987,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)],[271]) ).

thf(83,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ singleton @ subset ) )
    <=> ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_zfmisc_1) ).

thf(717,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)],[83]) ).

thf(269,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(1980,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)],[269]) ).

thf(249,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(1830,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)],[249]) ).

thf(61,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(576,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)],[61]) ).

thf(96,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(808,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)],[96]) ).

thf(134,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( B @ ( A @ in ) )
     => ( B @ ( A @ singleton @ disjoint ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l28_zfmisc_1) ).

thf(1023,plain,
    ! [A: $i,B: $i] :
      ( ~ ( B @ ( A @ in ) )
     => ( B @ ( A @ singleton @ disjoint ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[134]) ).

thf(139,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t92_zfmisc_1) ).

thf(1052,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ union @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[139]) ).

thf(195,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(1427,plain,
    ! [A: $i,B: $i] :
      ( ( B @ relation )
     => ( B @ ( A @ relation_rng_restriction ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[195]) ).

thf(277,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(2030,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)],[277]) ).

thf(183,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(1372,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_dom @ ( A @ relation_image ) )
        = ( A @ relation_rng ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[183]) ).

thf(253,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(1881,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[253]) ).

thf(49,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(497,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)],[49]) ).

thf(223,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(1585,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ function_inverse @ function )
        & ( A @ function_inverse @ relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[223]) ).

thf(151,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(1140,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)],[151]) ).

thf(265,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(1940,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)],[265]) ).

thf(273,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(2013,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_field )
        = ( A @ relation_rng @ ( A @ relation_dom @ set_union2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[273]) ).

thf(262,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(1918,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)],[262]) ).

thf(130,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(976,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)],[130]) ).

thf(113,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(891,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)],[113]) ).

thf(132,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(1010,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)],[132]) ).

thf(252,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(1866,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)],[252]) ).

thf(105,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(844,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)],[105]) ).

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(1453,plain,
    ! [A: $i,B: $i] :
      ( ( A @ relation )
     => ( B @ ( A @ relation_dom_restriction ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[200]) ).

thf(171,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(1276,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)],[171]) ).

thf(258,axiom,
    ! [A: $i] : ( A @ identity_relation @ relation ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_relat_1) ).

thf(1903,plain,
    ! [A: $i] : ( A @ identity_relation @ relation ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[258]) ).

thf(143,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(1062,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)],[143]) ).

thf(206,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(1481,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)],[206]) ).

thf(25,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(418,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ unordered_pair ) )
      = ( A @ ( B @ unordered_pair ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(251,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(1861,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)],[251]) ).

thf(230,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_field @ ( A @ well_orders ) )
      <=> ( A @ well_ordering ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_wellord1) ).

thf(1689,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)],[230]) ).

thf(20,axiom,
    ! [A: $i] :
      ( ( A @ powerset @ union )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(378,plain,
    ! [A: $i] :
      ( ( A @ powerset @ union )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(245,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(1777,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)],[245]) ).

thf(234,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(1706,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)],[234]) ).

thf(228,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(1661,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)],[228]) ).

thf(154,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(1161,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)],[154]) ).

thf(5,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(287,plain,
    ! [A: $i,B: $i] :
      ( ( A @ powerset @ ( B @ element ) )
     => ( A @ powerset @ ( B @ ( A @ subset_complement ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(272,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(2003,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)],[272]) ).

thf(13,axiom,
    ! [A: $i] :
      ~ ( A @ singleton @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(315,plain,
    ! [A: $i] :
      ~ ( A @ singleton @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(221,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(1578,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)],[221]) ).

thf(30,axiom,
    ! [A: $i,B: $i] :
      ~ ( A @ ( A @ proper_subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',irreflexivity_r2_xboole_0) ).

thf(432,plain,
    ! [A: $i] :
      ~ ( A @ ( A @ proper_subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(124,axiom,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_intersection2 ) @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_xboole_1) ).

thf(950,plain,
    ! [A: $i,B: $i] : ( A @ ( B @ ( A @ set_intersection2 ) @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[124]) ).

thf(185,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(1380,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)],[185]) ).

thf(152,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(1148,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)],[152]) ).

thf(42,axiom,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ unordered_pair ) @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(474,plain,
    ! [A: $i,B: $i] :
      ~ ( B @ ( A @ unordered_pair ) @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(235,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(1710,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)],[235]) ).

thf(101,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(828,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[101]) ).

thf(127,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(960,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)],[127]) ).

thf(3,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(283,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)],[3]) ).

thf(8,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(294,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)],[8]) ).

thf(93,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(801,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_intersection2 ) )
      = ( A @ ( B @ set_intersection2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[93]) ).

thf(32,axiom,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(437,plain,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(179,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(1335,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)],[179]) ).

thf(231,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(1693,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)],[231]) ).

thf(248,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(1827,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)],[248]) ).

thf(169,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(1268,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)],[169]) ).

thf(28,axiom,
    ! [A: $i] :
      ( ( A @ ( A @ unordered_pair ) )
      = ( A @ singleton ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t69_enumset1) ).

thf(427,plain,
    ! [A: $i] :
      ( ( A @ ( A @ unordered_pair ) )
      = ( A @ singleton ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(84,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(723,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)],[84]) ).

thf(99,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(822,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ set_difference ) @ ( A @ set_difference ) )
      = ( B @ ( A @ set_intersection2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[99]) ).

thf(174,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(1299,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)],[174]) ).

thf(189,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(1399,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)],[189]) ).

thf(254,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(1885,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[254]) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( A @ succ )
      = ( A @ singleton @ ( A @ set_union2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_ordinal1) ).

thf(442,plain,
    ! [A: $i] :
      ( ( A @ succ )
      = ( A @ singleton @ ( A @ set_union2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(177,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(1320,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)],[177]) ).

thf(267,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(1945,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)],[267]) ).

thf(218,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(1565,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_rng @ ( A @ relation_dom @ cartesian_product2 ) @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[218]) ).

thf(159,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(1204,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)],[159]) ).

thf(192,axiom,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_inverse @ relation_inverse )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k4_relat_1) ).

thf(1417,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( ( A @ relation_inverse @ relation_inverse )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[192]) ).

thf(2149,plain,
    $false,
    inference(e,[status(thm)],[1718,1411,1369,760,1237,1899,893,1315,1200,408,1924,730,741,449,614,1486,655,511,1137,715,913,945,1458,1095,1576,841,1613,1887,973,885,587,1191,1059,1313,1279,416,2024,289,1362,1922,902,1704,421,1911,834,806,1581,480,1151,937,1383,348,1183,1283,602,877,453,774,660,1433,1521,527,1975,307,529,381,1470,1057,942,439,1387,957,825,952,1519,862,297,693,1824,1560,746,1091,1423,625,879,522,493,1027,1195,1634,710,285,852,435,519,1983,874,1772,1017,615,1375,1227,593,1089,1234,1567,1942,339,537,642,1810,1214,1889,970,1324,1451,1231,1131,1050,1429,1715,1720,1393,1525,1530,1456,1241,633,921,657,1515,765,1054,412,1698,1219,1747,573,375,1251,1764,513,430,584,819,423,1916,2016,291,1403,1488,445,313,1271,466,804,704,947,540,831,1853,1048,1589,1722,318,599,1667,477,816,726,483,700,895,462,345,1557,983,1474,1245,455,1477,1364,505,653,1562,278,1445,2022,299,490,749,939,342,458,1905,1420,1134,487,617,516,1025,872,1611,1743,1484,1098,712,1770,1987,717,1980,1830,576,808,1023,1052,1427,2030,1372,1881,497,1585,1140,1940,2013,1918,976,891,1010,1866,844,1453,1276,1903,1062,1481,418,1861,1689,378,1777,1706,1661,1161,287,2003,315,1578,432,950,1380,1148,474,1710,828,960,283,294,801,437,1335,1693,1827,1268,427,723,822,1299,1399,1885,442,1320,1945,1565,1204,1417]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01  % Problem  : SEU247+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.04  % 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
% 0.05/0.31  % Computer : n012.cluster.edu
% 0.05/0.31  % Model    : x86_64 x86_64
% 0.05/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.05/0.31  % Memory   : 8046.5625MB
% 0.05/0.31  % OS       : Linux 6.8.0-71-generic
% 0.05/0.31  % CPULimit : 300
% 0.05/0.31  % WCLimit  : 300
% 0.05/0.31  % DateTime : Sat Sep 26 08:58:20 UTC 2026
% 0.05/0.32  % CPUTime  : 
% 0.05/0.32  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
% 0.77/0.80  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.39/1.08  % [INFO] 	 Parsing done (279ms). 
% 1.39/1.09  % [INFO] 	 Running in sequential loop mode. 
% 2.58/1.42  % [INFO] 	 eprover registered as external prover. 
% 2.58/1.42  % [INFO] 	 Scanning for conjecture ... 
% 2.83/1.55  % [INFO] 	 Found a conjecture (or negated_conjecture) and 304 axioms. Running axiom selection ... 
% 2.99/1.68  % [INFO] 	 Axiom selection finished. Selected 275 axioms (removed 29 axioms). 
% 3.74/1.88  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 4.06/1.91  % [INFO] 	 Type checking passed. 
% 4.06/1.91  % [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 ... 
% 15.01/4.68  % External prover 'e' found a proof!
% 15.01/4.68  % [INFO] 	 Killing All external provers ... 
% 15.01/4.68  % Time passed: 4236ms (effective reasoning time: 3582ms)
% 15.01/4.68  % 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)>
% 15.01/4.68  % Axioms used in derivation (275): t72_funct_1, d1_enumset1, redefinition_r1_ordinal1, l3_wellord1, t43_subset_1, fc1_zfmisc_1, d1_tarski, t30_relat_1, t147_funct_1, d4_funct_1, t19_xboole_1, t99_relat_1, t17_xboole_1, t90_relat_1, d5_relat_1, d6_relat_2, l82_funct_1, idempotence_k3_xboole_0, d4_ordinal1, t1_boole, t3_xboole_1, l1_wellord1, l2_wellord1, fc1_xboole_0, 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, fc1_funct_1, d9_funct_1, rc3_funct_1, t56_relat_1, t37_xboole_1, cc1_relat_1, t21_ordinal1, redefinition_k6_setfam_1, commutativity_k3_xboole_0, t55_funct_1, t62_funct_1, d2_tarski, involutiveness_k3_subset_1, rc1_funct_1, fc2_xboole_0, d1_xboole_0, t64_relat_1, d6_ordinal1, l50_zfmisc_1, t23_funct_1, t34_funct_1, t118_zfmisc_1, d3_wellord1, rc3_relat_1, t6_boole, rc2_subset_1, dt_k6_subset_1, d1_relat_1, d13_relat_1, t46_zfmisc_1, t1_xboole_1, d9_relat_2, 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, l25_zfmisc_1, t1_zfmisc_1, t17_wellord1, fc2_subset_1, d8_xboole_0, d5_wellord1, d1_ordinal1, rc4_funct_1, fc2_funct_1, t5_wellord1, t8_funct_1, t2_tarski, t33_xboole_1, t166_relat_1, l32_xboole_1, t8_zfmisc_1, fc13_relat_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, d4_tarski, d16_relat_2, t9_zfmisc_1, t174_relat_1, redefinition_k5_setfam_1, involutiveness_k4_relat_1, cc1_ordinal1, t7_boole, cc1_funct_1, t23_ordinal1, t118_relat_1, d10_relat_1, t143_relat_1, d2_subset_1, t48_xboole_1, t3_ordinal1, l4_wellord1, fc1_subset_1, t33_zfmisc_1, fc5_funct_1, fc3_ordinal1, rc2_funct_1, t160_relat_1, d11_relat_1, connectedness_r1_ordinal1, t8_wellord1, fc10_relat_1, rc1_subset_1, cc3_ordinal1, t74_relat_1, rc3_ordinal1, t83_xboole_1, t45_relat_1, l28_zfmisc_1, t140_relat_1, d14_relat_1, d7_xboole_0, fc5_relat_1, cc2_funct_1, d2_wellord1, l4_zfmisc_1, t3_subset, 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, t145_funct_1, t94_relat_1, l71_subset_1, dt_k7_relat_1, l2_zfmisc_1, d8_relat_1, t42_ordinal1, d4_wellord1, d5_subset_1, t92_zfmisc_1, t146_relat_1, t70_funct_1, d1_zfmisc_1, dt_k8_relat_1, t69_enumset1, t41_ordinal1, rc2_relat_1, t38_zfmisc_1, l55_zfmisc_1, t10_ordinal1, t26_xboole_1, t63_xboole_1, t8_xboole_1, t37_relat_1, t28_xboole_1, d3_tarski, t39_zfmisc_1, t119_zfmisc_1, rc1_relat_1, t60_relat_1, t54_funct_1, dt_k5_relat_1, reflexivity_r1_tarski, t6_zfmisc_1, dt_k6_relat_1, reflexivity_r1_ordinal1, t2_xboole_1, fc6_relat_1, 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, t68_funct_1, t54_subset_1, t21_funct_1, dt_k2_wellord1, d1_relat_2, t136_zfmisc_1, fc1_relat_1, d6_wellord1, d6_relat_1, l23_zfmisc_1, t8_boole, rc1_xboole_0, fc3_funct_1, t16_wellord1, t12_xboole_1, d3_relat_1, fc7_relat_1, fc1_ordinal1, t86_relat_1, fc8_relat_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, idempotence_k2_xboole_0, t9_tarski, t145_relat_1, d10_xboole_0, t7_xboole_1, t50_subset_1, fc2_ordinal1, t7_tarski, t60_xboole_1, t57_funct_1, t3_boole, d5_funct_1, redefinition_k6_subset_1, d8_relat_2, t25_relat_1, d4_relat_2, t3_xboole_0, rc2_xboole_0, t45_xboole_1, fc4_ordinal1, t40_xboole_1, irreflexivity_r2_xboole_0, t65_zfmisc_1, d3_xboole_0, d2_relat_1, t39_xboole_1, t71_relat_1, t88_relat_1, t167_relat_1, dt_k3_subset_1, l1_zfmisc_1, t119_relat_1, antisymmetry_r2_hidden
% 15.01/4.68  % No. of inferences in proof: 554
% 15.01/4.68  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 4236 ms resp. 3582 ms w/o parsing
% 16.96/4.90  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 16.96/4.90  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------