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

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SEU098+1 : TPTP v9.3.1. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39

% Computer : n008.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun Sep 27 08:37:35 AM UTC 2026

% Result   : Theorem 6.27s 3.19s
% Output   : Refutation 6.93s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   80
% Syntax   : Number of formulae    :  162 (  21 unt;   0 typ;   0 def)
%            Number of atoms       :  511 (  10 equ;   0 cnn)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives : 1190 (  54   ~;   2   |; 248   &; 787   @)
%                                         (   4 <=>;  95  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   34 (  32 usr;   3 con; 0-4 aty)
%            Number of variables   :  238 (   0   ^; 180   !;  58   ?; 238   :)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(positive_rationals_decl,type,
    positive_rationals: $i ).

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

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

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

thf(first_projection_as_func_of_decl,type,
    first_projection_as_func_of: $i > $i > $i ).

thf(first_projection_decl,type,
    first_projection: $i > $i > $i ).

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

thf(transfinite_sequence_decl,type,
    transfinite_sequence: $i > $o ).

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

thf(function_image_decl,type,
    function_image: $i > $i > $i > $i > $i ).

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

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

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

thf(function_yielding_decl,type,
    function_yielding: $i > $o ).

thf(relation_non_empty_decl,type,
    relation_non_empty: $i > $o ).

thf(with_non_empty_elements_decl,type,
    with_non_empty_elements: $i > $o ).

thf(ordinal_yielding_decl,type,
    ordinal_yielding: $i > $o ).

thf(78,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ function ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_funct_1) ).

thf(385,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ function ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[78]) ).

thf(41,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) )
     => ( C @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relset_1) ).

thf(233,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) )
     => ( C @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(27,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc3_ordinal1) ).

thf(173,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(17,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(134,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)],[17]) ).

thf(25,axiom,
    ? [A: $i] :
      ( ( A @ natural )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ( A @ empty )
      & ( positive_rationals @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_arytm_3) ).

thf(159,plain,
    ? [A: $i] :
      ( ( A @ natural )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ( A @ empty )
      & ( positive_rationals @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(20,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(143,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(58,axiom,
    ? [A: $i] :
      ( ( A @ function_yielding )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funcop_1) ).

thf(300,plain,
    ? [A: $i] :
      ( ( A @ function_yielding )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[58]) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(101,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(65,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(333,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[65]) ).

thf(46,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_relat_1) ).

thf(249,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_rng @ relation )
        & ( A @ relation_rng @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(80,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(389,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)],[80]) ).

thf(29,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_ordinal1) ).

thf(184,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(76,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( C @ relation_of2 ) ) )
        & ( B @ ( A @ ( C @ quasi_total ) ) )
        & ( C @ function ) )
     => ( ( D @ ( C @ ( B @ ( A @ function_image ) ) ) )
        = ( D @ ( C @ relation_image ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k2_funct_2) ).

thf(372,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( C @ relation_of2 ) ) )
        & ( B @ ( A @ ( C @ quasi_total ) ) )
        & ( C @ function ) )
     => ( ( D @ ( C @ ( B @ ( A @ function_image ) ) ) )
        = ( D @ ( C @ relation_image ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[76]) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2_as_subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m2_relset_1) ).

thf(110,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2_as_subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(32,axiom,
    ! [A: $i] :
      ~ ( A @ powerset @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(196,plain,
    ! [A: $i] :
      ~ ( A @ powerset @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(24,axiom,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(157,plain,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ element ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(15,axiom,
    ? [A: $i] :
      ( ( A @ being_limit_ordinal )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_ordinal2) ).

thf(125,plain,
    ? [A: $i] :
      ( ( A @ being_limit_ordinal )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(68,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation_non_empty )
        & ( A @ relation ) )
     => ( A @ relation_rng @ with_non_empty_elements ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_funct_1) ).

thf(344,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation_non_empty )
        & ( A @ relation ) )
     => ( A @ relation_rng @ with_non_empty_elements ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[68]) ).

thf(55,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc4_funct_1) ).

thf(284,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(56,axiom,
    ! [A: $i] :
      ( ( ( A @ transfinite_sequence )
        & ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ relation_dom @ ordinal )
        & ( A @ relation_dom @ epsilon_connected )
        & ( A @ relation_dom @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_ordinal1) ).

thf(289,plain,
    ! [A: $i] :
      ( ( ( A @ transfinite_sequence )
        & ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ relation_dom @ ordinal )
        & ( A @ relation_dom @ epsilon_connected )
        & ( A @ relation_dom @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[56]) ).

thf(77,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(376,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)],[77]) ).

thf(9,axiom,
    ? [A: $i] :
      ~ ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(106,plain,
    ? [A: $i] :
      ~ ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(71,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( A @ function )
        & ( A @ relation ) )
     => ( B @ ( A @ relation_image ) @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc13_finset_1) ).

thf(353,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( A @ function )
        & ( A @ relation ) )
     => ( B @ ( A @ relation_image ) @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[71]) ).

thf(35,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(211,plain,
    ! [A: $i,B: $i] :
      ( ( ~ ( B @ empty )
        & ~ ( A @ empty ) )
     => ~ ( B @ ( A @ cartesian_product2 ) @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(47,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( A @ finite ) )
     => ( B @ ( A @ cartesian_product2 ) @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc14_finset_1) ).

thf(253,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( A @ finite ) )
     => ( B @ ( A @ cartesian_product2 ) @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(21,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_relset_1) ).

thf(147,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( B @ ( A @ ( C @ relation_of2 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(38,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ first_projection_as_func_of ) )
      = ( B @ ( A @ first_projection ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k9_funct_3) ).

thf(221,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ first_projection_as_func_of ) )
      = ( B @ ( A @ first_projection ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(49,axiom,
    ? [A: $i] :
      ( ( A @ finite )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_finset_1) ).

thf(260,plain,
    ? [A: $i] :
      ( ( A @ finite )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(52,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( A @ finite )
       => ( A @ ( B @ relation_image ) @ finite ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_finset_1) ).

thf(275,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ function )
        & ( B @ relation ) )
     => ( ( A @ finite )
       => ( A @ ( B @ relation_image ) @ finite ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(92,plain,
    ! [A: $i,B: $i] :
      ~ ( ( B @ empty )
        & ( A != B )
        & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(40,axiom,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(229,plain,
    ( ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(62,axiom,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_dom @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(324,plain,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_dom @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[62]) ).

thf(39,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(224,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)],[39]) ).

thf(60,axiom,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ( B @ finite )
          & ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc4_finset_1) ).

thf(317,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ( B @ finite )
          & ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[60]) ).

thf(30,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_ordinal1) ).

thf(188,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(19,axiom,
    ~ ( positive_rationals @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_arytm_3) ).

thf(141,plain,
    ~ ( positive_rationals @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(10,axiom,
    empty_set @ empty,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(109,plain,
    empty_set @ empty,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(67,axiom,
    ( ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(339,plain,
    ( ( empty_set @ relation_empty_yielding )
    & ( empty_set @ relation )
    & ( empty_set @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[67]) ).

thf(5,axiom,
    ? [A: $i] : ( A @ empty ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(96,plain,
    ? [A: $i] : ( A @ empty ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(50,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( C @ relation_of2 ) ) )
        & ( B @ ( A @ ( C @ quasi_total ) ) )
        & ( C @ function ) )
     => ( B @ powerset @ ( D @ ( C @ ( B @ ( A @ function_image ) ) ) @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_funct_2) ).

thf(264,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( B @ ( A @ ( C @ relation_of2 ) ) )
        & ( B @ ( A @ ( C @ quasi_total ) ) )
        & ( C @ function ) )
     => ( B @ powerset @ ( D @ ( C @ ( B @ ( A @ function_image ) ) ) @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).

thf(54,axiom,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ( B @ finite )
          & ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_finset_1) ).

thf(279,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ( B @ finite )
          & ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(22,axiom,
    ! [A: $i] :
      ( ( ( A @ ordinal )
        & ( A @ empty ) )
     => ( ( A @ natural )
        & ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_arytm_3) ).

thf(149,plain,
    ! [A: $i] :
      ( ( ( A @ ordinal )
        & ( A @ empty ) )
     => ( ( A @ natural )
        & ( A @ ordinal )
        & ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(14,axiom,
    ? [A: $i] :
      ( ( A @ natural )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_arytm_3) ).

thf(118,plain,
    ? [A: $i] :
      ( ( A @ natural )
      & ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(34,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty )
      & ( positive_rationals @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_arytm_3) ).

thf(204,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive )
      & ~ ( A @ empty )
      & ( positive_rationals @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(74,axiom,
    ? [A: $i] :
      ( ( A @ ordinal_yielding )
      & ( A @ transfinite_sequence )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_ordinal2) ).

thf(362,plain,
    ? [A: $i] :
      ( ( A @ ordinal_yielding )
      & ( A @ transfinite_sequence )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[74]) ).

thf(6,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(98,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( C @ empty )
        & ( C @ powerset @ ( B @ element ) )
        & ( B @ ( A @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(79,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(387,plain,
    ! [A: $i] :
      ( ( A @ relation )
     => ( A @ relation_rng @ ( A @ relation_dom @ cartesian_product2 ) @ ( A @ subset ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[79]) ).

thf(36,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_m2_relset_1) ).

thf(213,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
     => ( B @ ( A @ cartesian_product2 ) @ powerset @ ( C @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(43,axiom,
    ! [A: $i] :
      ( ( A @ finite )
     => ! [B: $i] :
          ( ( A @ powerset @ ( B @ element ) )
         => ( B @ finite ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_finset_1) ).

thf(240,plain,
    ! [A: $i] :
      ( ( A @ finite )
     => ! [B: $i] :
          ( ( A @ powerset @ ( B @ element ) )
         => ( B @ finite ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(23,axiom,
    ! [A: $i,B: $i] : ( A @ ( A @ subset ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(155,plain,
    ! [A: $i] : ( A @ ( A @ subset ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(81,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(399,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[81]) ).

thf(51,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ ( A @ cartesian_product2 ) @ ( B @ ( A @ first_projection_as_func_of ) @ relation_of2_as_subset ) ) )
      & ( A @ ( B @ ( A @ cartesian_product2 ) @ ( B @ ( A @ first_projection_as_func_of ) @ quasi_total ) ) )
      & ( B @ ( A @ first_projection_as_func_of ) @ function ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k9_funct_3) ).

thf(267,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ ( A @ cartesian_product2 ) @ ( B @ ( A @ first_projection_as_func_of ) @ relation_of2_as_subset ) ) )
      & ( A @ ( B @ ( A @ cartesian_product2 ) @ ( B @ ( A @ first_projection_as_func_of ) @ quasi_total ) ) )
      & ( B @ ( A @ first_projection_as_func_of ) @ function ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(26,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ powerset @ ( A @ element ) )
    <=> ( B @ ( A @ subset ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(167,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)],[26]) ).

thf(48,axiom,
    ? [A: $i] :
      ( ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_funct_1) ).

thf(255,plain,
    ? [A: $i] :
      ( ( A @ one_to_one )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(12,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(112,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ element ) )
     => ( ( B @ ( A @ in ) )
        | ( B @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(72,axiom,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(355,plain,
    ? [A: $i] :
      ( ( A @ relation )
      & ( A @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[72]) ).

thf(31,axiom,
    ! [A: $i] :
      ( ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) )
     => ( A @ ordinal ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_ordinal1) ).

thf(194,plain,
    ! [A: $i] :
      ( ( ( A @ epsilon_connected )
        & ( A @ epsilon_transitive ) )
     => ( A @ ordinal ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(33,axiom,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_ordinal1) ).

thf(199,plain,
    ? [A: $i] :
      ( ( A @ ordinal )
      & ( A @ epsilon_connected )
      & ( A @ epsilon_transitive ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(64,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ relation_dom @ finite )
       => ( A @ relation_rng @ finite ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t26_finset_1) ).

thf(331,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ relation_dom @ finite )
       => ( A @ relation_rng @ finite ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[64]) ).

thf(73,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( B @ ( A @ subset ) ) )
     => ( A @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t13_finset_1) ).

thf(359,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( B @ ( A @ subset ) ) )
     => ( A @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[73]) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(104,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ( B @ ( A @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(75,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_dom @ relation )
        & ( A @ relation_dom @ empty ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(368,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( ( A @ relation_dom @ relation )
        & ( A @ relation_dom @ empty ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[75]) ).

thf(70,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( A @ finite ) )
     => ( B @ ( A @ cartesian_product2 ) @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t19_finset_1) ).

thf(351,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ finite )
        & ( A @ finite ) )
     => ( B @ ( A @ cartesian_product2 ) @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[70]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(114,plain,
    ! [A: $i] :
      ( ~ ( A @ empty )
     => ? [B: $i] :
          ( ~ ( B @ empty )
          & ( A @ powerset @ ( B @ element ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(69,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_non_empty )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc5_funct_1) ).

thf(346,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ relation_non_empty )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[69]) ).

thf(1,conjecture,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ relation_dom @ finite )
      <=> ( A @ finite ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t29_finset_1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i] :
        ( ( ( A @ function )
          & ( A @ relation ) )
       => ( ( A @ relation_dom @ finite )
        <=> ( A @ finite ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(82,plain,
    ~ ! [A: $i] :
        ( ( ( A @ function )
          & ( A @ relation ) )
       => ( ( ( A @ finite )
           => ( A @ relation_dom @ finite ) )
          & ( ( A @ relation_dom @ finite )
           => ( A @ finite ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(42,axiom,
    ? [A: $i] :
      ( ( A @ transfinite_sequence )
      & ( A @ function )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc4_ordinal1) ).

thf(235,plain,
    ? [A: $i] :
      ( ( A @ transfinite_sequence )
      & ( A @ function )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(45,axiom,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ ( A @ relation_rng @ ( A @ relation_dom @ first_projection_as_func_of ) @ ( A @ relation_dom @ ( A @ relation_rng @ ( A @ relation_dom @ cartesian_product2 ) @ function_image ) ) ) )
        = ( A @ relation_dom ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t100_funct_3) ).

thf(246,plain,
    ! [A: $i] :
      ( ( ( A @ function )
        & ( A @ relation ) )
     => ( ( A @ ( A @ relation_rng @ ( A @ relation_dom @ first_projection_as_func_of ) @ ( A @ relation_dom @ ( A @ relation_rng @ ( A @ relation_dom @ cartesian_product2 ) @ function_image ) ) ) )
        = ( A @ relation_dom ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(59,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ finite )
      & ( B @ natural )
      & ( B @ ordinal )
      & ( B @ epsilon_connected )
      & ( B @ epsilon_transitive )
      & ( B @ one_to_one )
      & ( B @ function )
      & ( B @ relation )
      & ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_finset_1) ).

thf(305,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( B @ finite )
      & ( B @ natural )
      & ( B @ ordinal )
      & ( B @ epsilon_connected )
      & ( B @ epsilon_transitive )
      & ( B @ one_to_one )
      & ( B @ function )
      & ( B @ relation )
      & ( B @ empty )
      & ( A @ powerset @ ( B @ element ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[59]) ).

thf(63,axiom,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ empty )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_funct_1) ).

thf(326,plain,
    ? [A: $i] :
      ( ( A @ function )
      & ( A @ empty )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[63]) ).

thf(44,axiom,
    ? [A: $i] :
      ( ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(242,plain,
    ? [A: $i] :
      ( ( A @ relation_empty_yielding )
      & ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(57,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ first_projection ) @ function )
      & ( B @ ( A @ first_projection ) @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_funct_3) ).

thf(294,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ first_projection ) @ function )
      & ( B @ ( A @ first_projection ) @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[57]) ).

thf(18,axiom,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( A @ ( B @ element ) )
         => ( ( B @ ordinal )
            & ( B @ epsilon_connected )
            & ( B @ epsilon_transitive ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_arytm_3) ).

thf(136,plain,
    ! [A: $i] :
      ( ( A @ ordinal )
     => ! [B: $i] :
          ( ( A @ ( B @ element ) )
         => ( ( B @ ordinal )
            & ( B @ epsilon_connected )
            & ( B @ epsilon_transitive ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(16,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(131,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(28,axiom,
    ! [A: $i] :
      ( ( positive_rationals @ ( A @ element ) )
     => ( ( A @ ordinal )
       => ( ( A @ natural )
          & ( A @ ordinal )
          & ( A @ epsilon_connected )
          & ( A @ epsilon_transitive ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc4_arytm_3) ).

thf(178,plain,
    ! [A: $i] :
      ( ( positive_rationals @ ( A @ element ) )
     => ( ( A @ ordinal )
       => ( ( A @ natural )
          & ( A @ ordinal )
          & ( A @ epsilon_connected )
          & ( A @ epsilon_transitive ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(53,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ finite ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_finset_1) ).

thf(277,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ finite ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(90,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ in ) )
     => ~ ( A @ ( B @ in ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(61,axiom,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(322,plain,
    ! [A: $i] :
      ( ( ( A @ relation )
        & ~ ( A @ empty ) )
     => ~ ( A @ relation_rng @ empty ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[61]) ).

thf(66,axiom,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(337,plain,
    ! [A: $i] :
      ( ( A @ empty )
     => ( A @ relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[66]) ).

thf(37,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
    <=> ( B @ ( A @ ( C @ relation_of2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_m2_relset_1) ).

thf(215,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( B @ ( A @ ( C @ relation_of2 ) ) )
       => ( B @ ( A @ ( C @ relation_of2_as_subset ) ) ) )
      & ( ( B @ ( A @ ( C @ relation_of2_as_subset ) ) )
       => ( B @ ( A @ ( C @ relation_of2 ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(433,plain,
    $false,
    inference(e,[status(thm)],[385,233,173,134,159,143,300,101,333,249,389,184,372,110,196,157,125,344,284,289,376,106,353,211,253,147,221,260,275,92,229,324,224,317,188,141,109,339,96,264,279,149,118,204,362,98,387,213,240,155,399,267,167,255,112,355,194,199,331,359,104,368,351,114,346,82,235,246,305,326,242,294,136,131,178,277,90,322,337,215]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU098+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.07  % 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
% 0.13/0.39  % Computer : n008.cluster.edu
% 0.13/0.39  % Model    : x86_64 x86_64
% 0.13/0.39  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39  % Memory   : 8046.5625MB
% 0.13/0.39  % OS       : Linux 6.8.0-71-generic
% 0.13/0.39  % CPULimit : 300
% 0.13/0.39  % WCLimit  : 300
% 0.13/0.39  % DateTime : Sat Sep 26 08:37:09 UTC 2026
% 0.13/0.39  % CPUTime  : 
% 0.13/0.39  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
% 0.87/0.96  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.54/1.20  % [INFO] 	 Parsing done (239ms). 
% 1.54/1.22  % [INFO] 	 Running in sequential loop mode. 
% 2.28/1.61  % [INFO] 	 eprover registered as external prover. 
% 2.28/1.62  % [INFO] 	 Scanning for conjecture ... 
% 2.48/1.73  % [INFO] 	 Found a conjecture (or negated_conjecture) and 79 axioms. Running axiom selection ... 
% 2.68/1.84  % [INFO] 	 Axiom selection finished. Selected 79 axioms (removed 0 axioms). 
% 2.94/1.95  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.94/1.97  % [INFO] 	 Type checking passed. 
% 2.94/1.97  % [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 ... 
% 6.27/3.19  % External prover 'e' found a proof!
% 6.27/3.19  % [INFO] 	 Killing All external provers ... 
% 6.27/3.19  % Time passed: 2665ms (effective reasoning time: 1965ms)
% 6.27/3.19  % 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)>
% 6.27/3.19  % Axioms used in derivation (79): redefinition_m2_relset_1, rc4_finset_1, fc4_subset_1, t19_finset_1, fc6_relat_1, fc2_ordinal1, antisymmetry_r2_hidden, cc2_finset_1, dt_k9_funct_3, fc1_xboole_0, cc2_arytm_3, fc4_relat_1, t1_subset, rc4_ordinal1, rc3_funct_1, rc3_arytm_3, dt_m2_relset_1, cc1_relat_1, redefinition_k2_funct_2, fc6_funct_1, rc1_funct_1, t26_finset_1, rc3_relat_1, t6_boole, cc4_arytm_3, rc2_subset_1, cc2_ordinal1, t5_subset, cc1_arytm_3, existence_m1_relset_1, fc5_ordinal1, rc4_funct_1, rc1_funcop_1, t4_subset, rc1_arytm_3, dt_k7_funct_3, rc2_arytm_3, cc1_ordinal1, rc5_funct_1, t7_boole, cc1_funct_1, redefinition_k9_funct_3, fc1_subset_1, t13_finset_1, rc2_funct_1, rc1_subset_1, cc3_ordinal1, rc3_ordinal1, fc5_relat_1, rc2_ordinal2, cc2_funct_1, t17_finset_1, t3_subset, cc1_relset_1, existence_m1_subset_1, rc1_ordinal1, dt_k2_funct_2, fc8_arytm_3, rc2_relat_1, existence_m2_relset_1, rc1_relat_1, rc2_finset_1, reflexivity_r1_tarski, rc2_ordinal1, rc3_finset_1, rc1_ordinal2, rc1_finset_1, cc1_finset_1, t8_boole, rc1_xboole_0, fc7_relat_1, fc8_relat_1, t2_subset, t100_funct_3, fc12_relat_1, t21_relat_1, fc14_finset_1, fc13_finset_1, rc2_xboole_0
% 6.27/3.19  % No. of inferences in proof: 162
% 6.27/3.19  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2665 ms resp. 1965 ms w/o parsing
% 6.93/3.31  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 6.93/3.31  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------