TSTP Solution File: SET093+1 by Leo-III---1.7.7

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SET093+1 : TPTP v8.1.2. Bugfixed v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n026.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 : Fri May 19 11:52:31 EDT 2023

% Result   : Theorem 4.86s 2.21s
% Output   : Refutation 5.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   80
% Syntax   : Number of formulae    :  130 (  33 unt;  32 typ;   0 def)
%            Number of atoms       :  282 (  55 equ;   0 cnn)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives : 1050 (  15   ~;  12   |;  89   &; 851   @)
%                                         (  19 <=>;  64  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   7 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   40 (  40   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   34 (  32 usr;   6 con; 0-3 aty)
%            Number of variables   :  187 (   0   ^; 175   !;  12   ?; 187   :)

% Comments : 
%------------------------------------------------------------------------------
thf(singleton_type,type,
    singleton: $i > $i ).

thf(member_of_type,type,
    member_of: $i > $i ).

thf(member_type,type,
    member: $i > $i > $o ).

thf(universal_class_type,type,
    universal_class: $i ).

thf(subclass_type,type,
    subclass: $i > $i > $o ).

thf(restrict_type,type,
    restrict: $i > $i > $i > $i ).

thf(intersection_type,type,
    intersection: $i > $i > $i ).

thf(cross_product_type,type,
    cross_product: $i > $i > $i ).

thf(range_of_type,type,
    range_of: $i > $i ).

thf(domain_of_type,type,
    domain_of: $i > $i ).

thf(inverse_type,type,
    inverse: $i > $i ).

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

thf(sum_class_type,type,
    sum_class: $i > $i ).

thf(image_type,type,
    image: $i > $i > $i ).

thf(null_class_type,type,
    null_class: $i ).

thf(flip_type,type,
    flip: $i > $i ).

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

thf(compose_type,type,
    compose: $i > $i > $i ).

thf(identity_relation_type,type,
    identity_relation: $i ).

thf(inductive_type,type,
    inductive: $i > $o ).

thf(successor_relation_type,type,
    successor_relation: $i ).

thf(power_class_type,type,
    power_class: $i > $i ).

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

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

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

thf(first_type,type,
    first: $i > $i ).

thf(second_type,type,
    second: $i > $i ).

thf(rotate_type,type,
    rotate: $i > $i ).

thf(successor_type,type,
    successor: $i > $i ).

thf(element_relation_type,type,
    element_relation: $i ).

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

thf(complement_type,type,
    complement: $i > $i ).

thf(40,axiom,
    ! [A: $i,B: $i] : ( subclass @ ( compose @ B @ A ) @ ( cross_product @ universal_class @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',compose_defn1) ).

thf(234,plain,
    ! [A: $i,B: $i] : ( subclass @ ( compose @ B @ A ) @ ( cross_product @ universal_class @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ A @ ( power_class @ B ) )
    <=> ( ( member @ A @ universal_class )
        & ( subclass @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',power_class_defn) ).

thf(115,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ ( power_class @ B ) )
       => ( ( member @ A @ universal_class )
          & ( subclass @ A @ B ) ) )
      & ( ( ( member @ A @ universal_class )
          & ( subclass @ A @ B ) )
       => ( member @ A @ ( power_class @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(48,axiom,
    ! [A: $i] :
      ( ( member @ A @ identity_relation )
    <=> ? [B: $i] :
          ( ( member @ B @ universal_class )
          & ( A
            = ( ordered_pair @ B @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',identity_relation) ).

thf(257,plain,
    ! [A: $i] :
      ( ( ( member @ A @ identity_relation )
       => ? [B: $i] :
            ( ( member @ B @ universal_class )
            & ( A
              = ( ordered_pair @ B @ B ) ) ) )
      & ( ? [B: $i] :
            ( ( member @ B @ universal_class )
            & ( A
              = ( ordered_pair @ B @ B ) ) )
       => ( member @ A @ identity_relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(30,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ A @ ( unordered_pair @ B @ C ) )
    <=> ( ( member @ A @ universal_class )
        & ( ( A = B )
          | ( A = C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair_defn) ).

thf(189,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ A @ ( unordered_pair @ B @ C ) )
       => ( ( member @ A @ universal_class )
          & ( ( A = B )
            | ( A = C ) ) ) )
      & ( ( ( member @ A @ universal_class )
          & ( ( A = B )
            | ( A = C ) ) )
       => ( member @ A @ ( unordered_pair @ B @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(32,axiom,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( member @ ( member_of @ ( singleton @ A ) ) @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',member_singleton_universal) ).

thf(201,plain,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( member @ ( member_of @ ( singleton @ A ) ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(23,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
    <=> ( ( member @ A @ C )
        & ( member @ B @ D ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cross_product_defn) ).

thf(156,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
       => ( ( member @ A @ C )
          & ( member @ B @ D ) ) )
      & ( ( ( member @ A @ C )
          & ( member @ B @ D ) )
       => ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(17,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( member @ ( ordered_pair @ C @ D ) @ ( compose @ B @ A ) )
    <=> ( ( member @ C @ universal_class )
        & ( member @ D @ ( image @ B @ ( image @ A @ ( singleton @ C ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',compose_defn2) ).

thf(124,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( member @ ( ordered_pair @ C @ D ) @ ( compose @ B @ A ) )
       => ( ( member @ C @ universal_class )
          & ( member @ D @ ( image @ B @ ( image @ A @ ( singleton @ C ) ) ) ) ) )
      & ( ( ( member @ C @ universal_class )
          & ( member @ D @ ( image @ B @ ( image @ A @ ( singleton @ C ) ) ) ) )
       => ( member @ ( ordered_pair @ C @ D ) @ ( compose @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(26,axiom,
    ! [A: $i] : ( subclass @ ( rotate @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rotate) ).

thf(173,plain,
    ! [A: $i] : ( subclass @ ( rotate @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(22,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ! [C: $i] :
          ~ ( ( member @ C @ A )
            & ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',disjoint_defn) ).

thf(149,plain,
    ! [A: $i,B: $i] :
      ( ( ( disjoint @ A @ B )
       => ! [C: $i] :
            ~ ( ( member @ C @ A )
              & ( member @ C @ B ) ) )
      & ( ! [C: $i] :
            ~ ( ( member @ C @ A )
              & ( member @ C @ B ) )
       => ( disjoint @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(36,axiom,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ universal_class )
        & ( function @ B ) )
     => ( member @ ( image @ B @ A ) @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',replacement) ).

thf(213,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ universal_class )
        & ( function @ B ) )
     => ( member @ ( image @ B @ A ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(1,conjecture,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
        = A )
     => ( member @ A @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',corollary_2_to_singletons_are_sets) ).

thf(2,negated_conjecture,
    ~ ! [A: $i] :
        ( ( ( singleton @ ( member_of @ A ) )
          = A )
       => ( member @ A @ universal_class ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(50,plain,
    ~ ! [A: $i] :
        ( ( ( singleton @ ( member_of @ A ) )
          = A )
       => ( member @ A @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ B @ ( domain_of @ A ) )
    <=> ( ( member @ B @ universal_class )
        & ( ( restrict @ A @ ( singleton @ B ) @ universal_class )
         != null_class ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',domain_of) ).

thf(82,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ B @ ( domain_of @ A ) )
       => ( ( member @ B @ universal_class )
          & ( ( restrict @ A @ ( singleton @ B ) @ universal_class )
           != null_class ) ) )
      & ( ( ( member @ B @ universal_class )
          & ( ( restrict @ A @ ( singleton @ B ) @ universal_class )
           != null_class ) )
       => ( member @ B @ ( domain_of @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( inductive @ A )
    <=> ( ( member @ null_class @ A )
        & ( subclass @ ( image @ successor_relation @ A ) @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',inductive_defn) ).

thf(106,plain,
    ! [A: $i] :
      ( ( ( inductive @ A )
       => ( ( member @ null_class @ A )
          & ( subclass @ ( image @ successor_relation @ A ) @ A ) ) )
      & ( ( ( member @ null_class @ A )
          & ( subclass @ ( image @ successor_relation @ A ) @ A ) )
       => ( inductive @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(42,axiom,
    ! [A: $i] :
      ( ( successor @ A )
      = ( union @ A @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',successor_defn) ).

thf(238,plain,
    ! [A: $i] :
      ( ( successor @ A )
      = ( union @ A @ ( singleton @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(16,axiom,
    ! [A: $i] :
      ( ( singleton @ A )
      = ( unordered_pair @ A @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton_set_defn) ).

thf(121,plain,
    ! [A: $i] :
      ( ( singleton @ A )
      = ( unordered_pair @ A @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(38,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ ( ordered_pair @ A @ B ) @ element_relation )
    <=> ( ( member @ B @ universal_class )
        & ( member @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_relation_defn) ).

thf(221,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ ( ordered_pair @ A @ B ) @ element_relation )
       => ( ( member @ B @ universal_class )
          & ( member @ A @ B ) ) )
      & ( ( ( member @ B @ universal_class )
          & ( member @ A @ B ) )
       => ( member @ ( ordered_pair @ A @ B ) @ element_relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(49,axiom,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( member @ ( sum_class @ A ) @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sum_class) ).

thf(265,plain,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( member @ ( sum_class @ A ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(34,axiom,
    ? [A: $i] :
      ( ( member @ A @ universal_class )
      & ( inductive @ A )
      & ! [B: $i] :
          ( ( inductive @ B )
         => ( subclass @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',infinity) ).

thf(206,plain,
    ? [A: $i] :
      ( ( member @ A @ universal_class )
      & ( inductive @ A )
      & ! [B: $i] :
          ( ( inductive @ B )
         => ( subclass @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(4,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( restrict @ B @ A @ C )
      = ( intersection @ B @ ( cross_product @ A @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',restrict_defn) ).

thf(65,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( restrict @ B @ A @ C )
      = ( intersection @ B @ ( cross_product @ A @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(11,axiom,
    ! [A: $i] :
      ( ( inverse @ A )
      = ( domain_of @ ( flip @ ( cross_product @ A @ universal_class ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',inverse_defn) ).

thf(97,plain,
    ! [A: $i] :
      ( ( inverse @ A )
      = ( domain_of @ ( flip @ ( cross_product @ A @ universal_class ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ( ( apply @ A @ B )
      = ( sum_class @ ( image @ A @ ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',apply_defn) ).

thf(73,plain,
    ! [A: $i,B: $i] :
      ( ( apply @ A @ B )
      = ( sum_class @ ( image @ A @ ( singleton @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(44,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ B @ ( complement @ A ) )
    <=> ( ( member @ B @ universal_class )
        & ~ ( member @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement) ).

thf(244,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ B @ ( complement @ A ) )
       => ( ( member @ B @ universal_class )
          & ~ ( member @ B @ A ) ) )
      & ( ( ( member @ B @ universal_class )
          & ~ ( member @ B @ A ) )
       => ( member @ B @ ( complement @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(6,axiom,
    ! [A: $i] : ( subclass @ A @ universal_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',class_elements_are_sets) ).

thf(71,plain,
    ! [A: $i] : ( subclass @ A @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subclass @ A @ B )
        & ( subclass @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',extensionality) ).

thf(54,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ( ( subclass @ A @ B )
          & ( subclass @ B @ A ) ) )
      & ( ( ( subclass @ A @ B )
          & ( subclass @ B @ A ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(41,axiom,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( member @ ( power_class @ A ) @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',power_class) ).

thf(236,plain,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( member @ ( power_class @ A ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(29,axiom,
    ! [A: $i,B: $i] : ( member @ ( unordered_pair @ A @ B ) @ universal_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair) ).

thf(187,plain,
    ! [A: $i,B: $i] : ( member @ ( unordered_pair @ A @ B ) @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ A @ ( sum_class @ B ) )
    <=> ? [C: $i] :
          ( ( member @ A @ C )
          & ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sum_class_defn) ).

thf(76,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ ( sum_class @ B ) )
       => ? [C: $i] :
            ( ( member @ A @ C )
            & ( member @ C @ B ) ) )
      & ( ? [C: $i] :
            ( ( member @ A @ C )
            & ( member @ C @ B ) )
       => ( member @ A @ ( sum_class @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(18,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ C @ ( intersection @ A @ B ) )
    <=> ( ( member @ C @ A )
        & ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection) ).

thf(130,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ C @ ( intersection @ A @ B ) )
       => ( ( member @ C @ A )
          & ( member @ C @ B ) ) )
      & ( ( ( member @ C @ A )
          & ( member @ C @ B ) )
       => ( member @ C @ ( intersection @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(43,axiom,
    ! [A: $i,B: $i] :
      ( ( image @ B @ A )
      = ( range_of @ ( restrict @ B @ A @ universal_class ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',image_defn) ).

thf(241,plain,
    ! [A: $i,B: $i] :
      ( ( image @ B @ A )
      = ( range_of @ ( restrict @ B @ A @ universal_class ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(24,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ D ) @ ( rotate @ A ) )
    <=> ( ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ D ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        & ( member @ ( ordered_pair @ ( ordered_pair @ C @ D ) @ B ) @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rotate_defn) ).

thf(162,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ D ) @ ( rotate @ A ) )
       => ( ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ D ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
          & ( member @ ( ordered_pair @ ( ordered_pair @ C @ D ) @ B ) @ A ) ) )
      & ( ( ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ D ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
          & ( member @ ( ordered_pair @ ( ordered_pair @ C @ D ) @ B ) @ A ) )
       => ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ D ) @ ( rotate @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(47,axiom,
    ! [A: $i] : ( subclass @ ( flip @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',flip) ).

thf(255,plain,
    ! [A: $i] : ( subclass @ ( flip @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(14,axiom,
    ! [A: $i] :
      ( ( member @ ( member_of @ A ) @ universal_class )
      | ( ( member_of @ A )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',member_universal_self) ).

thf(112,plain,
    ! [A: $i] :
      ( ( member @ ( member_of @ A ) @ universal_class )
      | ( ( member_of @ A )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(27,axiom,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
        = A )
      | ( ( member_of @ A )
        = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton_self) ).

thf(175,plain,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
        = A )
      | ( ( member_of @ A )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(20,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ C @ ( cross_product @ A @ B ) )
     => ( C
        = ( ordered_pair @ ( first @ C ) @ ( second @ C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cross_product) ).

thf(143,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ C @ ( cross_product @ A @ B ) )
     => ( C
        = ( ordered_pair @ ( first @ C ) @ ( second @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(45,axiom,
    ? [A: $i] :
      ( ( function @ A )
      & ! [B: $i] :
          ( ( member @ B @ universal_class )
         => ( ( B = null_class )
            | ( member @ ( apply @ A @ B ) @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',choice) ).

thf(250,plain,
    ? [A: $i] :
      ( ( function @ A )
      & ! [B: $i] :
          ( ( member @ B @ universal_class )
         => ( ( B = null_class )
            | ( member @ ( apply @ A @ B ) @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(33,axiom,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( singleton @ A ) @ ( unordered_pair @ A @ ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ordered_pair_defn) ).

thf(203,plain,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( singleton @ A ) @ ( unordered_pair @ A @ ( singleton @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(25,axiom,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ universal_class )
        & ( member @ B @ universal_class ) )
     => ( ( ( first @ ( ordered_pair @ A @ B ) )
          = A )
        & ( ( second @ ( ordered_pair @ A @ B ) )
          = B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',first_second) ).

thf(168,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ universal_class )
        & ( member @ B @ universal_class ) )
     => ( ( ( first @ ( ordered_pair @ A @ B ) )
          = A )
        & ( ( second @ ( ordered_pair @ A @ B ) )
          = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(21,axiom,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( ( singleton @ ( member_of @ ( singleton @ A ) ) )
        = ( singleton @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',member_singleton_singleton) ).

thf(146,plain,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
     => ( ( singleton @ ( member_of @ ( singleton @ A ) ) )
        = ( singleton @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(35,axiom,
    ! [A: $i] :
      ~ ( member @ A @ null_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',null_class_defn) ).

thf(210,plain,
    ! [A: $i] :
      ~ ( member @ A @ null_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(19,axiom,
    ! [A: $i] :
      ( ( A != null_class )
     => ? [B: $i] :
          ( ( member @ B @ universal_class )
          & ( member @ B @ A )
          & ( disjoint @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',regularity) ).

thf(136,plain,
    ! [A: $i] :
      ( ( A != null_class )
     => ? [B: $i] :
          ( ( member @ B @ universal_class )
          & ( member @ B @ A )
          & ( disjoint @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(31,axiom,
    subclass @ successor_relation @ ( cross_product @ universal_class @ universal_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',successor_relation_defn1) ).

thf(200,plain,
    subclass @ successor_relation @ ( cross_product @ universal_class @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(5,axiom,
    ! [A: $i] :
      ( ( range_of @ A )
      = ( domain_of @ ( inverse @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',range_of_defn) ).

thf(68,plain,
    ! [A: $i] :
      ( ( range_of @ A )
      = ( domain_of @ ( inverse @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(28,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ ( ordered_pair @ A @ B ) @ successor_relation )
    <=> ( ( member @ A @ universal_class )
        & ( member @ B @ universal_class )
        & ( ( successor @ A )
          = B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',successor_relation_defn2) ).

thf(178,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ ( ordered_pair @ A @ B ) @ successor_relation )
       => ( ( member @ A @ universal_class )
          & ( member @ B @ universal_class )
          & ( ( successor @ A )
            = B ) ) )
      & ( ( ( member @ A @ universal_class )
          & ( member @ B @ universal_class )
          & ( ( successor @ A )
            = B ) )
       => ( member @ ( ordered_pair @ A @ B ) @ successor_relation ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ( subclass @ A @ B )
    <=> ! [C: $i] :
          ( ( member @ C @ A )
         => ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_defn) ).

thf(90,plain,
    ! [A: $i,B: $i] :
      ( ( ( subclass @ A @ B )
       => ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) ) )
      & ( ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) )
       => ( subclass @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(37,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( flip @ D ) )
    <=> ( ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        & ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ D ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',flip_defn) ).

thf(215,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( flip @ D ) )
       => ( ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
          & ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ D ) ) )
      & ( ( ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
          & ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ D ) )
       => ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( flip @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(12,axiom,
    ! [A: $i] :
      ( ( function @ A )
    <=> ( ( subclass @ A @ ( cross_product @ universal_class @ universal_class ) )
        & ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',function_defn) ).

thf(100,plain,
    ! [A: $i] :
      ( ( ( function @ A )
       => ( ( subclass @ A @ ( cross_product @ universal_class @ universal_class ) )
          & ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation ) ) )
      & ( ( ( subclass @ A @ ( cross_product @ universal_class @ universal_class ) )
          & ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation ) )
       => ( function @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(46,axiom,
    subclass @ element_relation @ ( cross_product @ universal_class @ universal_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_relation) ).

thf(254,plain,
    subclass @ element_relation @ ( cross_product @ universal_class @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(39,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ C @ ( union @ A @ B ) )
    <=> ( ( member @ C @ A )
        | ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',union_defn) ).

thf(227,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ C @ ( union @ A @ B ) )
       => ( ( member @ C @ A )
          | ( member @ C @ B ) ) )
      & ( ( ( member @ C @ A )
          | ( member @ C @ B ) )
       => ( member @ C @ ( union @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(267,plain,
    $false,
    inference(e,[status(thm)],[234,115,257,189,201,156,124,173,149,213,50,82,106,238,121,221,265,206,65,97,73,244,71,54,236,187,76,130,241,162,255,112,175,143,250,203,168,146,210,136,200,68,178,90,215,100,254,227]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET093+1 : TPTP v8.1.2. Bugfixed v7.3.0.
% 0.06/0.15  % Command  : run_Leo-III %s %d
% 0.16/0.36  % Computer : n026.cluster.edu
% 0.16/0.36  % Model    : x86_64 x86_64
% 0.16/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.36  % Memory   : 8042.1875MB
% 0.16/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.36  % CPULimit : 300
% 0.16/0.36  % WCLimit  : 300
% 0.16/0.36  % DateTime : Thu May 18 19:09:51 EDT 2023
% 0.16/0.36  % CPUTime  : 
% 0.98/0.85  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.33/1.01  % [INFO] 	 Parsing done (155ms). 
% 1.33/1.02  % [INFO] 	 Running in sequential loop mode. 
% 1.94/1.24  % [INFO] 	 eprover registered as external prover. 
% 1.94/1.24  % [INFO] 	 cvc4 registered as external prover. 
% 1.94/1.25  % [INFO] 	 Scanning for conjecture ... 
% 2.04/1.31  % [INFO] 	 Found a conjecture and 47 axioms. Running axiom selection ... 
% 2.34/1.37  % [INFO] 	 Axiom selection finished. Selected 47 axioms (removed 0 axioms). 
% 2.34/1.43  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.62/1.44  % [INFO] 	 Type checking passed. 
% 2.62/1.44  % [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 ... 
% 4.86/2.21  % External prover 'e' found a proof!
% 4.86/2.21  % [INFO] 	 Killing All external provers ... 
% 4.86/2.21  % Time passed: 1688ms (effective reasoning time: 1191ms)
% 4.86/2.21  % 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)>
% 4.86/2.21  % Axioms used in derivation (47): sum_class_defn, image_defn, cross_product_defn, infinity, first_second, null_class_defn, sum_class, restrict_defn, member_singleton_universal, compose_defn1, inductive_defn, unordered_pair, cross_product, flip_defn, function_defn, element_relation_defn, identity_relation, unordered_pair_defn, successor_relation_defn1, power_class_defn, intersection, inverse_defn, replacement, element_relation, singleton_set_defn, singleton_self, member_singleton_singleton, extensionality, member_universal_self, rotate, subclass_defn, domain_of, power_class, flip, compose_defn2, choice, complement, disjoint_defn, apply_defn, regularity, successor_defn, ordered_pair_defn, class_elements_are_sets, range_of_defn, union_defn, successor_relation_defn2, rotate_defn
% 4.86/2.21  % No. of inferences in proof: 98
% 4.86/2.21  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1688 ms resp. 1191 ms w/o parsing
% 5.14/2.29  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 5.14/2.29  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------