TSTP Solution File: SEU235+1 by Leo-III---1.7.10

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.10
% Problem  : SEU235+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n029.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue May  7 08:09:20 EDT 2024

% Result   : Theorem 9.10s 2.99s
% Output   : Refutation 9.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   68
% Syntax   : Number of formulae    :  158 (  46 unt;  27 typ;   0 def)
%            Number of atoms       :  350 (  27 equ;   0 cnn)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  716 (  81   ~;  23   |; 120   &; 432   @)
%                                         (   3 <=>;  57  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   18 (  18   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   29 (  27 usr;  14 con; 0-2 aty)
%            Number of variables   :  139 (   0   ^ 111   !;  28   ?; 139   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ordinal_type,type,
    ordinal: $i > $o ).

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(sk1_type,type,
    sk1: $i ).

thf(sk2_type,type,
    sk2: $i ).

thf(sk3_type,type,
    sk3: $i > $i ).

thf(sk4_type,type,
    sk4: $i ).

thf(sk5_type,type,
    sk5: $i ).

thf(sk6_type,type,
    sk6: $i ).

thf(sk7_type,type,
    sk7: $i ).

thf(sk8_type,type,
    sk8: $i ).

thf(sk9_type,type,
    sk9: $i ).

thf(sk10_type,type,
    sk10: $i ).

thf(sk11_type,type,
    sk11: $i ).

thf(sk13_type,type,
    sk13: $i ).

thf(sk16_type,type,
    sk16: $i ).

thf(41,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(174,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(26,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(121,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(5,axiom,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(57,plain,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(59,plain,
    empty @ sk5,
    inference(cnf,[status(esa)],[57]) ).

thf(6,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(60,plain,
    ? [A: $i] :
      ~ ( empty @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(61,plain,
    ~ ! [A: $i] : ( empty @ A ),
    inference(miniscope,[status(thm)],[60]) ).

thf(62,plain,
    ~ ( empty @ sk6 ),
    inference(cnf,[status(esa)],[61]) ).

thf(190,plain,
    ( ( empty @ sk6 )
   != ( empty @ sk5 ) ),
    inference(paramod_ordered,[status(thm)],[59,62]) ).

thf(192,plain,
    sk6 != sk5,
    inference(simp,[status(thm)],[190]) ).

thf(4,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(55,plain,
    ? [A: $i] : ( empty @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(56,plain,
    empty @ sk4,
    inference(cnf,[status(esa)],[55]) ).

thf(7,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(63,plain,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(65,plain,
    ~ ( empty @ sk7 ),
    inference(cnf,[status(esa)],[63]) ).

thf(187,plain,
    ( ( empty @ sk7 )
   != ( empty @ sk4 ) ),
    inference(paramod_ordered,[status(thm)],[56,65]) ).

thf(188,plain,
    sk7 != sk4,
    inference(simp,[status(thm)],[187]) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(51,plain,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_funct_1) ).

thf(83,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(19,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_subset) ).

thf(101,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(14,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( empty @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_funct_1) ).

thf(85,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( empty @ A )
      & ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(88,plain,
    relation @ sk11,
    inference(cnf,[status(esa)],[85]) ).

thf(33,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(142,plain,
    ! [A: $i,B: $i] :
      ( ( ( element @ A @ ( powerset @ B ) )
       => ( subset @ A @ B ) )
      & ( ( subset @ A @ B )
       => ( element @ A @ ( powerset @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(110,plain,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(1,conjecture,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ~ ( ( subset @ A @ B )
          & ( A != empty_set )
          & ! [C: $i] :
              ( ( ordinal @ C )
             => ~ ( ( in @ C @ A )
                  & ! [D: $i] :
                      ( ( ordinal @ D )
                     => ( ( in @ D @ A )
                       => ( ordinal_subset @ C @ D ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t32_ordinal1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i] :
        ( ( ordinal @ B )
       => ~ ( ( subset @ A @ B )
            & ( A != empty_set )
            & ! [C: $i] :
                ( ( ordinal @ C )
               => ~ ( ( in @ C @ A )
                    & ! [D: $i] :
                        ( ( ordinal @ D )
                       => ( ( in @ D @ A )
                         => ( ordinal_subset @ C @ D ) ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(43,plain,
    ~ ! [A: $i,B: $i] :
        ( ( ordinal @ B )
       => ~ ( ( subset @ A @ B )
            & ( A != empty_set )
            & ! [C: $i] :
                ( ( ordinal @ C )
               => ~ ( ( in @ C @ A )
                    & ! [D: $i] :
                        ( ( ordinal @ D )
                       => ( ( in @ D @ A )
                         => ( ordinal_subset @ C @ D ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(45,plain,
    ordinal @ sk2,
    inference(cnf,[status(esa)],[43]) ).

thf(44,plain,
    ! [A: $i] :
      ( ~ ( ordinal @ A )
      | ~ ( in @ A @ sk1 )
      | ~ ( ordinal_subset @ A @ ( sk3 @ A ) ) ),
    inference(cnf,[status(esa)],[43]) ).

thf(195,plain,
    ! [A: $i] :
      ( ~ ( in @ A @ sk1 )
      | ~ ( ordinal_subset @ A @ ( sk3 @ A ) )
      | ( ( ordinal @ sk2 )
       != ( ordinal @ A ) ) ),
    inference(paramod_ordered,[status(thm)],[45,44]) ).

thf(196,plain,
    ( ~ ( in @ sk2 @ sk1 )
    | ~ ( ordinal_subset @ sk2 @ ( sk3 @ sk2 ) ) ),
    inference(pattern_uni,[status(thm)],[195:[bind(A,$thf( sk2 ))]]) ).

thf(37,axiom,
    ? [A: $i] :
      ( ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_ordinal1) ).

thf(157,plain,
    ? [A: $i] :
      ( ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(46,plain,
    subset @ sk1 @ sk2,
    inference(cnf,[status(esa)],[43]) ).

thf(16,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(91,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(93,plain,
    relation @ sk13,
    inference(cnf,[status(esa)],[91]) ).

thf(11,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_funct_1) ).

thf(75,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(78,plain,
    relation @ sk9,
    inference(cnf,[status(esa)],[75]) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_ordinal1) ).

thf(147,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(30,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ordinal_subset @ A @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_ordinal1) ).

thf(132,plain,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ordinal_subset @ A @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(15,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(89,plain,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(10,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(72,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(74,plain,
    relation @ sk8,
    inference(cnf,[status(esa)],[72]) ).

thf(49,plain,
    ! [A: $i] :
      ( ~ ( ordinal @ A )
      | ~ ( in @ A @ sk1 )
      | ( in @ ( sk3 @ A ) @ sk1 ) ),
    inference(cnf,[status(esa)],[43]) ).

thf(205,plain,
    ! [A: $i] :
      ( ~ ( in @ A @ sk1 )
      | ( in @ ( sk3 @ A ) @ sk1 )
      | ( ( ordinal @ sk2 )
       != ( ordinal @ A ) ) ),
    inference(paramod_ordered,[status(thm)],[45,49]) ).

thf(206,plain,
    ( ~ ( in @ sk2 @ sk1 )
    | ( in @ ( sk3 @ sk2 ) @ sk1 ) ),
    inference(pattern_uni,[status(thm)],[205:[bind(A,$thf( sk2 ))]]) ).

thf(92,plain,
    function @ sk13,
    inference(cnf,[status(esa)],[91]) ).

thf(18,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A )
        & ( ordinal @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc3_ordinal1) ).

thf(97,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A )
        & ( ordinal @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(22,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(109,plain,
    empty @ empty_set,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(77,plain,
    function @ sk9,
    inference(cnf,[status(esa)],[75]) ).

thf(73,plain,
    relation_empty_yielding @ sk8,
    inference(cnf,[status(esa)],[72]) ).

thf(29,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ! [C: $i] :
            ~ ( ( in @ C @ B )
              & ! [D: $i] :
                  ~ ( ( in @ D @ B )
                    & ( in @ D @ C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_tarski) ).

thf(128,plain,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ! [C: $i] :
            ~ ( ( in @ C @ B )
              & ! [D: $i] :
                  ~ ( ( in @ D @ B )
                    & ( in @ D @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(40,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A )
      & ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_ordinal1) ).

thf(166,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A )
      & ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(38,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ( in @ A @ B )
       => ( ordinal @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_ordinal1) ).

thf(161,plain,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ( in @ A @ B )
       => ( ordinal @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(64,plain,
    relation @ sk7,
    inference(cnf,[status(esa)],[63]) ).

thf(42,axiom,
    ( ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set )
    & ( function @ empty_set )
    & ( one_to_one @ empty_set )
    & ( empty @ empty_set )
    & ( epsilon_transitive @ empty_set )
    & ( epsilon_connected @ empty_set )
    & ( ordinal @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_ordinal1) ).

thf(176,plain,
    ( ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set )
    & ( function @ empty_set )
    & ( one_to_one @ empty_set )
    & ( empty @ empty_set )
    & ( epsilon_transitive @ empty_set )
    & ( epsilon_connected @ empty_set )
    & ( ordinal @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(189,plain,
    ( ( empty @ sk7 )
   != ( empty @ sk5 ) ),
    inference(paramod_ordered,[status(thm)],[59,65]) ).

thf(191,plain,
    sk7 != sk5,
    inference(simp,[status(thm)],[189]) ).

thf(52,plain,
    ~ ? [A: $i] :
        ( ( empty @ A )
        & ? [B: $i] :
            ( ( A != B )
            & ( empty @ B ) ) ),
    inference(miniscope,[status(thm)],[51]) ).

thf(53,plain,
    ! [B: $i,A: $i] :
      ( ~ ( empty @ A )
      | ( A = B )
      | ~ ( empty @ B ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(54,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( empty @ A )
      | ~ ( empty @ B ) ),
    inference(lifteq,[status(thm)],[53]) ).

thf(86,plain,
    function @ sk11,
    inference(cnf,[status(esa)],[85]) ).

thf(12,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc4_funct_1) ).

thf(79,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A )
      & ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(81,plain,
    relation_empty_yielding @ sk10,
    inference(cnf,[status(esa)],[79]) ).

thf(76,plain,
    one_to_one @ sk9,
    inference(cnf,[status(esa)],[75]) ).

thf(8,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(66,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(36,axiom,
    ! [A: $i] :
      ( ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) )
     => ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_ordinal1) ).

thf(155,plain,
    ! [A: $i] :
      ( ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) )
     => ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(31,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(135,plain,
    ( ( empty @ empty_set )
    & ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(80,plain,
    function @ sk10,
    inference(cnf,[status(esa)],[79]) ).

thf(24,axiom,
    ! [A: $i] :
      ( ( epsilon_transitive @ A )
    <=> ! [B: $i] :
          ( ( in @ B @ A )
         => ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_ordinal1) ).

thf(112,plain,
    ! [A: $i] :
      ( ( ( epsilon_transitive @ A )
       => ! [B: $i] :
            ( ( in @ B @ A )
           => ( subset @ B @ A ) ) )
      & ( ! [B: $i] :
            ( ( in @ B @ A )
           => ( subset @ B @ A ) )
       => ( epsilon_transitive @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(27,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(123,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(47,plain,
    ! [A: $i] :
      ( ~ ( ordinal @ A )
      | ~ ( in @ A @ sk1 )
      | ( ordinal @ ( sk3 @ A ) ) ),
    inference(cnf,[status(esa)],[43]) ).

thf(193,plain,
    ! [A: $i] :
      ( ~ ( in @ A @ sk1 )
      | ( ordinal @ ( sk3 @ A ) )
      | ( ( ordinal @ sk2 )
       != ( ordinal @ A ) ) ),
    inference(paramod_ordered,[status(thm)],[45,47]) ).

thf(194,plain,
    ( ~ ( in @ sk2 @ sk1 )
    | ( ordinal @ ( sk3 @ sk2 ) ) ),
    inference(pattern_uni,[status(thm)],[193:[bind(A,$thf( sk2 ))]]) ).

thf(35,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_ordinal1) ).

thf(150,plain,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(48,plain,
    sk1 != empty_set,
    inference(cnf,[status(esa)],[43]) ).

thf(50,plain,
    sk1 != empty_set,
    inference(lifteq,[status(thm)],[48]) ).

thf(154,plain,
    ~ ( empty @ sk16 ),
    inference(cnf,[status(esa)],[150]) ).

thf(197,plain,
    ( ( empty @ sk16 )
   != ( empty @ sk4 ) ),
    inference(paramod_ordered,[status(thm)],[56,154]) ).

thf(199,plain,
    sk16 != sk4,
    inference(simp,[status(thm)],[197]) ).

thf(87,plain,
    empty @ sk11,
    inference(cnf,[status(esa)],[85]) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(104,plain,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(185,plain,
    ( ( empty @ sk6 )
   != ( empty @ sk4 ) ),
    inference(paramod_ordered,[status(thm)],[56,62]) ).

thf(186,plain,
    sk6 != sk4,
    inference(simp,[status(thm)],[185]) ).

thf(32,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
      <=> ( subset @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_r1_ordinal1) ).

thf(139,plain,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ( ordinal_subset @ A @ B )
         => ( subset @ A @ B ) )
        & ( ( subset @ A @ B )
         => ( ordinal_subset @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(82,plain,
    relation @ sk10,
    inference(cnf,[status(esa)],[79]) ).

thf(25,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
        | ( ordinal_subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',connectedness_r1_ordinal1) ).

thf(119,plain,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
        | ( ordinal_subset @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(58,plain,
    relation @ sk5,
    inference(cnf,[status(esa)],[57]) ).

thf(21,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(107,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(28,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_subset) ).

thf(126,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(17,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(94,plain,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(39,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ~ ( ~ ( in @ A @ B )
              & ( A != B )
              & ~ ( in @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t24_ordinal1) ).

thf(163,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ~ ( ~ ( in @ A @ B )
              & ( A != B )
              & ~ ( in @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( empty @ A )
        & ( function @ A ) )
     => ( ( relation @ A )
        & ( function @ A )
        & ( one_to_one @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_funct_1) ).

thf(68,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( empty @ A )
        & ( function @ A ) )
     => ( ( relation @ A )
        & ( function @ A )
        & ( one_to_one @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(816,plain,
    $false,
    inference(e,[status(thm)],[174,121,192,188,51,83,101,88,56,142,110,196,157,46,93,57,78,147,132,89,74,206,60,85,92,65,97,109,77,73,128,166,45,161,64,176,191,44,59,54,49,86,81,76,91,66,155,135,80,112,123,194,63,150,50,199,154,72,43,87,104,186,55,139,75,82,119,58,107,126,79,94,47,163,68,62]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SEU235+1 : TPTP v8.1.2. Released v3.3.0.
% 0.12/0.16  % Command  : run_Leo-III %s %d
% 0.16/0.37  % Computer : n029.cluster.edu
% 0.16/0.37  % Model    : x86_64 x86_64
% 0.16/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.37  % Memory   : 8042.1875MB
% 0.16/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.37  % CPULimit : 300
% 0.16/0.37  % WCLimit  : 300
% 0.16/0.37  % DateTime : Mon May  6 10:27:24 EDT 2024
% 0.16/0.37  % CPUTime  : 
% 1.01/0.89  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.30/1.03  % [INFO] 	 Parsing done (141ms). 
% 1.30/1.04  % [INFO] 	 Running in sequential loop mode. 
% 1.94/1.37  % [INFO] 	 eprover registered as external prover. 
% 1.94/1.37  % [INFO] 	 cvc4 registered as external prover. 
% 1.94/1.37  % [INFO] 	 Scanning for conjecture ... 
% 2.11/1.45  % [INFO] 	 Found a conjecture and 43 axioms. Running axiom selection ... 
% 2.31/1.50  % [INFO] 	 Axiom selection finished. Selected 40 axioms (removed 3 axioms). 
% 2.56/1.54  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.56/1.54  % [INFO] 	 Type checking passed. 
% 2.56/1.54  % [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 ... 
% 9.10/2.98  % External prover 'e' found a proof!
% 9.10/2.98  % [INFO] 	 Killing All external provers ... 
% 9.10/2.99  % Time passed: 2444ms (effective reasoning time: 1940ms)
% 9.10/2.99  % 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)>
% 9.10/2.99  % Axioms used in derivation (40): redefinition_r1_ordinal1, rc3_funct_1, cc1_relat_1, rc1_funct_1, rc4_funct_1, t4_subset, cc1_ordinal1, rc3_ordinal1, rc2_relat_1, reflexivity_r1_ordinal1, rc2_ordinal1, fc2_ordinal1, t7_tarski, rc2_xboole_0, antisymmetry_r2_hidden, fc1_xboole_0, fc4_relat_1, t1_subset, rc3_relat_1, t6_boole, cc2_ordinal1, t5_subset, t7_boole, cc1_funct_1, t23_ordinal1, rc2_funct_1, cc3_ordinal1, connectedness_r1_ordinal1, cc2_funct_1, t3_subset, t24_ordinal1, existence_m1_subset_1, rc1_ordinal1, rc1_relat_1, reflexivity_r1_tarski, t8_boole, rc1_xboole_0, t2_subset, d2_ordinal1, fc12_relat_1
% 9.10/2.99  % No. of inferences in proof: 131
% 9.10/2.99  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2444 ms resp. 1940 ms w/o parsing
% 9.37/3.07  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 9.37/3.08  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------