TSTP Solution File: SET108-7 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SET108-7 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n016.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 11:52:38 EDT 2023

% Result   : Unsatisfiable 5.63s 2.34s
% Output   : Refutation 5.98s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :  205
% Syntax   : Number of formulae    :  360 (  93 unt;  51 typ;   0 def)
%            Number of atoms       :  625 ( 188 equ;   0 cnn)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives : 2672 ( 268   ~; 316   |;   0   &;2088   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   7 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   67 (  67   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   53 (  51 usr;  11 con; 0-3 aty)
%            Number of variables   :  586 (   0   ^; 586   !;   0   ?; 586   :)

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

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

thf(y_type,type,
    y: $i ).

thf(z_type,type,
    z: $i ).

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

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

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

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

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

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

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

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

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

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

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

thf(choice_type,type,
    choice: $i ).

thf(not_subclass_element_type,type,
    not_subclass_element: $i > $i > $i ).

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

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

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

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

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

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

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

thf(single_valued_class_type,type,
    single_valued_class: $i > $o ).

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

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

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

thf(compatible_type,type,
    compatible: $i > $i > $i > $o ).

thf(homomorphism_type,type,
    homomorphism: $i > $i > $i > $o ).

thf(operation_type,type,
    operation: $i > $o ).

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

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

thf(diagonalise_type,type,
    diagonalise: $i > $i ).

thf(subset_relation_type,type,
    subset_relation: $i ).

thf(cantor_type,type,
    cantor: $i > $i ).

thf(regular_type,type,
    regular: $i > $i ).

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

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

thf(omega_type,type,
    omega: $i ).

thf(member_of1_type,type,
    member_of1: $i > $i ).

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

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

thf(symmetric_difference_type,type,
    symmetric_difference: $i > $i > $i ).

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

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

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

thf(not_homomorphism1_type,type,
    not_homomorphism1: $i > $i > $i > $i ).

thf(not_homomorphism2_type,type,
    not_homomorphism2: $i > $i > $i > $i ).

thf(domain_type,type,
    domain: $i > $i > $i > $i ).

thf(range_type,type,
    range: $i > $i > $i > $i ).

thf(88,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( cross_product @ B @ C ) )
      | ( ( ordered_pair @ ( first @ A ) @ ( second @ A ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product4) ).

thf(347,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( cross_product @ B @ C ) )
      | ( ( ordered_pair @ ( first @ A ) @ ( second @ A ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[88]) ).

thf(142,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ element_relation )
      | ( member @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_relation2) ).

thf(468,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ element_relation )
      | ( member @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[142]) ).

thf(148,axiom,
    ! [B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
        = null_class )
      | ( member @ A @ universal_class )
      | ( member @ B @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_unordered_pair) ).

thf(481,plain,
    ! [B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
        = null_class )
      | ( member @ A @ universal_class )
      | ( member @ B @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[148]) ).

thf(82,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( singleton @ ( member_of @ ( singleton @ A ) ) )
        = ( singleton @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_exists2) ).

thf(333,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( singleton @ ( member_of @ ( singleton @ A ) ) )
        = ( singleton @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[82]) ).

thf(45,axiom,
    ! [B: $i,A: $i] :
      ( ( complement @ ( intersection @ ( complement @ A ) @ ( complement @ B ) ) )
      = ( union @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',union) ).

thf(249,plain,
    ! [B: $i,A: $i] :
      ( ( complement @ ( intersection @ ( complement @ A ) @ ( complement @ B ) ) )
      = ( union @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

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

thf(276,plain,
    ! [B: $i,A: $i] :
      ( ( range_of @ ( restrict @ A @ B @ universal_class ) )
      = ( image @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[58]) ).

thf(71,axiom,
    ! [A: $i] : ( subclass @ ( flip @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',flip1) ).

thf(308,plain,
    ! [A: $i] : ( subclass @ ( flip @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[71]) ).

thf(134,axiom,
    ! [A: $i] :
      ( ( A = null_class )
      | ( member @ ( regular @ A ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',regularity1) ).

thf(449,plain,
    ! [A: $i] :
      ( ( A = null_class )
      | ( member @ ( regular @ A ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[134]) ).

thf(102,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( second @ ( not_subclass_element @ ( restrict @ A @ ( singleton @ B ) @ C ) @ null_class ) )
      = ( range @ A @ B @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',range) ).

thf(379,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( second @ ( not_subclass_element @ ( restrict @ A @ ( singleton @ B ) @ C ) @ null_class ) )
      = ( range @ A @ B @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[102]) ).

thf(131,axiom,
    ! [B: $i,A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
       != A )
      | ~ ( member @ B @ A )
      | ( ( member_of @ A )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_of_singletons1) ).

thf(440,plain,
    ! [B: $i,A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
       != A )
      | ~ ( member @ B @ A )
      | ( ( member_of @ A )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[131]) ).

thf(25,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( subclass @ A @ ( singleton @ B ) )
      | ( A = null_class )
      | ( ( singleton @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',two_subsets_of_singleton) ).

thf(202,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subclass @ A @ ( singleton @ B ) )
      | ( A = null_class )
      | ( ( singleton @ B )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(105,axiom,
    ! [B: $i,A: $i] :
      ( ( member @ A @ universal_class )
      | ( ( unordered_pair @ A @ B )
        = ( singleton @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_equals_singleton2) ).

thf(384,plain,
    ! [B: $i,A: $i] :
      ( ( member @ A @ universal_class )
      | ( ( unordered_pair @ A @ B )
        = ( singleton @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[105]) ).

thf(144,axiom,
    ! [B: $i,A: $i] :
      ( ( member @ ( not_subclass_element @ A @ B ) @ A )
      | ( subclass @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members1) ).

thf(472,plain,
    ! [B: $i,A: $i] :
      ( ( member @ ( not_subclass_element @ A @ B ) @ A )
      | ( subclass @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[144]) ).

thf(15,axiom,
    ! [B: $i,A: $i] : ( subclass @ ( singleton @ A ) @ ( unordered_pair @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_in_unordered_pair2) ).

thf(185,plain,
    ! [B: $i,A: $i] : ( subclass @ ( singleton @ A ) @ ( unordered_pair @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(129,axiom,
    ( ( intersection @ ( cross_product @ universal_class @ universal_class ) @ ( intersection @ ( cross_product @ universal_class @ universal_class ) @ ( complement @ ( compose @ ( complement @ element_relation ) @ ( inverse @ element_relation ) ) ) ) )
    = subset_relation ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_relation) ).

thf(436,plain,
    ( ( intersection @ ( cross_product @ universal_class @ universal_class ) @ ( intersection @ ( cross_product @ universal_class @ universal_class ) @ ( complement @ ( compose @ ( complement @ element_relation ) @ ( inverse @ element_relation ) ) ) ) )
    = subset_relation ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[129]) ).

thf(107,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ~ ( member @ ( not_subclass_element @ B @ A ) @ A )
      | ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality4) ).

thf(389,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ~ ( member @ ( not_subclass_element @ B @ A ) @ A )
      | ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[107]) ).

thf(14,axiom,
    ! [A: $i] : ( subclass @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_is_reflexive) ).

thf(184,plain,
    ! [A: $i] : ( subclass @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(121,axiom,
    ! [A: $i] : ( subclass @ A @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',class_elements_are_sets) ).

thf(421,plain,
    ! [A: $i] : ( subclass @ A @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[121]) ).

thf(63,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( ordered_pair @ A @ B )
       != ( ordered_pair @ C @ D ) )
      | ~ ( member @ B @ universal_class )
      | ( B = D ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair_determines_components2) ).

thf(289,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( ordered_pair @ A @ B )
       != ( ordered_pair @ C @ D ) )
      | ~ ( member @ B @ universal_class )
      | ( B = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[63]) ).

thf(75,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( ( unordered_pair @ A @ B )
       != null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_unordered_pair_axiom3) ).

thf(316,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( ( unordered_pair @ A @ B )
       != null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[75]) ).

thf(51,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( flip @ D ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ D ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',flip2) ).

thf(261,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( flip @ D ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(30,axiom,
    ! [A: $i] :
      ( ~ ( operation @ A )
      | ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',operation1) ).

thf(216,plain,
    ! [A: $i] :
      ( ~ ( operation @ A )
      | ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(132,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ successor_relation )
      | ( ( successor @ A )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_relation2) ).

thf(443,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ successor_relation )
      | ( ( successor @ A )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[132]) ).

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

thf(253,plain,
    ! [B: $i,A: $i] :
      ( ( unordered_pair @ A @ B )
      = ( union @ ( singleton @ A ) @ ( singleton @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(40,axiom,
    ! [A: $i] :
      ( ( union @ A @ ( singleton @ A ) )
      = ( successor @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor) ).

thf(238,plain,
    ! [A: $i] :
      ( ( union @ A @ ( singleton @ A ) )
      = ( successor @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(147,axiom,
    member @ null_class @ ( singleton @ null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_in_its_singleton) ).

thf(480,plain,
    member @ null_class @ ( singleton @ null_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[147]) ).

thf(110,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( ordered_pair @ A @ B )
       != ( ordered_pair @ C @ D ) )
      | ~ ( member @ A @ universal_class )
      | ( A = C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair_determines_components1) ).

thf(397,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( ordered_pair @ A @ B )
       != ( ordered_pair @ C @ D ) )
      | ~ ( member @ A @ universal_class )
      | ( A = C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[110]) ).

thf(60,axiom,
    ! [A: $i] :
      ( ( member @ ( member_of1 @ A ) @ universal_class )
      | ( ( member_of @ A )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_of_non_singleton_unique1) ).

thf(280,plain,
    ! [A: $i] :
      ( ( member @ ( member_of1 @ A ) @ universal_class )
      | ( ( member_of @ A )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[60]) ).

thf(116,axiom,
    ! [A: $i] :
      ( ~ ( function @ A )
      | ( subclass @ A @ ( cross_product @ universal_class @ universal_class ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',function1) ).

thf(411,plain,
    ! [A: $i] :
      ( ~ ( function @ A )
      | ( subclass @ A @ ( cross_product @ universal_class @ universal_class ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[116]) ).

thf(42,axiom,
    inductive @ omega,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',omega_is_inductive1) ).

thf(243,plain,
    inductive @ omega,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(126,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ ( complement @ B ) )
      | ~ ( member @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',complement1) ).

thf(428,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ ( complement @ B ) )
      | ~ ( member @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[126]) ).

thf(73,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( unordered_pair @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair2) ).

thf(312,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( unordered_pair @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[73]) ).

thf(64,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
       != ( singleton @ C ) )
      | ~ ( member @ C @ universal_class )
      | ( C = A )
      | ( C = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_in_unordered_pair3) ).

thf(292,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
       != ( singleton @ C ) )
      | ~ ( member @ C @ universal_class )
      | ( C = A )
      | ( C = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[64]) ).

thf(103,axiom,
    ! [B: $i,A: $i] : ( subclass @ ( compose @ A @ B ) @ ( cross_product @ universal_class @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compose1) ).

thf(381,plain,
    ! [B: $i,A: $i] : ( subclass @ ( compose @ A @ B ) @ ( cross_product @ universal_class @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[103]) ).

thf(38,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ( operation @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism1) ).

thf(233,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ( operation @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(135,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ~ ( member @ C @ B )
      | ( subclass @ ( unordered_pair @ A @ C ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_is_subset) ).

thf(452,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ~ ( member @ C @ B )
      | ( subclass @ ( unordered_pair @ A @ C ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[135]) ).

thf(32,axiom,
    ( ( intersection @ ( inverse @ subset_relation ) @ subset_relation )
    = identity_relation ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity_relation) ).

thf(220,plain,
    ( ( intersection @ ( inverse @ subset_relation ) @ subset_relation )
    = identity_relation ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(96,axiom,
    ! [B: $i,A: $i] :
      ( ( ( restrict @ A @ ( singleton @ B ) @ universal_class )
       != null_class )
      | ~ ( member @ B @ ( domain_of @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',domain1) ).

thf(366,plain,
    ! [B: $i,A: $i] :
      ( ( ( restrict @ A @ ( singleton @ B ) @ universal_class )
       != null_class )
      | ~ ( member @ B @ ( domain_of @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[96]) ).

thf(68,axiom,
    ! [A: $i] : ( subclass @ ( rotate @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rotate1) ).

thf(302,plain,
    ! [A: $i] : ( subclass @ ( rotate @ A ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[68]) ).

thf(50,axiom,
    subclass @ element_relation @ ( cross_product @ universal_class @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_relation1) ).

thf(260,plain,
    subclass @ element_relation @ ( cross_product @ universal_class @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).

thf(108,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( operation @ A )
      | ~ ( operation @ B )
      | ~ ( compatible @ C @ A @ B )
      | ( member @ ( ordered_pair @ ( not_homomorphism1 @ C @ A @ B ) @ ( not_homomorphism2 @ C @ A @ B ) ) @ ( domain_of @ A ) )
      | ( homomorphism @ C @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism5) ).

thf(392,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( operation @ A )
      | ~ ( operation @ B )
      | ~ ( compatible @ C @ A @ B )
      | ( member @ ( ordered_pair @ ( not_homomorphism1 @ C @ A @ B ) @ ( not_homomorphism2 @ C @ A @ B ) ) @ ( domain_of @ A ) )
      | ( homomorphism @ C @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[108]) ).

thf(124,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ ( power_class @ A ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',power_class2) ).

thf(424,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ ( power_class @ A ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[124]) ).

thf(6,axiom,
    function @ choice,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',choice1) ).

thf(165,plain,
    function @ choice,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(19,axiom,
    ! [A: $i] :
      ( ~ ( function @ A )
      | ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',function2) ).

thf(192,plain,
    ! [A: $i] :
      ( ~ ( function @ A )
      | ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(114,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( intersection @ A @ ( cross_product @ B @ C ) )
      = ( restrict @ A @ B @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',restriction1) ).

thf(407,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( intersection @ A @ ( cross_product @ B @ C ) )
      = ( restrict @ A @ B @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[114]) ).

thf(22,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( compatible @ A @ B @ C )
      | ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compatible1) ).

thf(197,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( compatible @ A @ B @ C )
      | ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(80,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( image @ B @ ( image @ C @ ( singleton @ D ) ) ) )
      | ~ ( member @ ( ordered_pair @ D @ A ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( member @ ( ordered_pair @ D @ A ) @ ( compose @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compose3) ).

thf(329,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( image @ B @ ( image @ C @ ( singleton @ D ) ) ) )
      | ~ ( member @ ( ordered_pair @ D @ A ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( member @ ( ordered_pair @ D @ A ) @ ( compose @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[80]) ).

thf(137,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
       != ( unordered_pair @ C @ B ) )
      | ~ ( member @ ( ordered_pair @ A @ C ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( A = C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',right_cancellation) ).

thf(456,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
       != ( unordered_pair @ C @ B ) )
      | ~ ( member @ ( ordered_pair @ A @ C ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( A = C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[137]) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( A = null_class )
      | ( ( intersection @ A @ ( regular @ A ) )
        = null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',regularity2) ).

thf(224,plain,
    ! [A: $i] :
      ( ( A = null_class )
      | ( ( intersection @ A @ ( regular @ A ) )
        = null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(36,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ( compatible @ A @ B @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism3) ).

thf(229,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ( compatible @ A @ B @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(149,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection2) ).

thf(484,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[149]) ).

thf(2,negated_conjecture,
    ~ ( member @ ( ordered_pair @ ( first @ ( ordered_pair @ y @ z ) ) @ ( second @ ( ordered_pair @ y @ z ) ) ) @ ( cross_product @ universal_class @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_existence_of_1st_and_2nd_1_2) ).

thf(156,plain,
    ~ ( member @ ( ordered_pair @ ( first @ ( ordered_pair @ y @ z ) ) @ ( second @ ( ordered_pair @ y @ z ) ) ) @ ( cross_product @ universal_class @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(17,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ( operation @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism2) ).

thf(188,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ( operation @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(92,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( unordered_pair @ B @ A )
       != null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_unordered_pair_axiom2) ).

thf(356,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( unordered_pair @ B @ A )
       != null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[92]) ).

thf(8,axiom,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subclass @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_implies_subclass2) ).

thf(169,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subclass @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(79,axiom,
    ! [B: $i,A: $i] : ( member @ ( unordered_pair @ A @ B ) @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pairs_in_universal) ).

thf(328,plain,
    ! [B: $i,A: $i] : ( member @ ( unordered_pair @ A @ B ) @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[79]) ).

thf(151,axiom,
    ! [A: $i] :
      ( ( A = null_class )
      | ( member @ ( not_subclass_element @ A @ null_class ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_is_unique) ).

thf(488,plain,
    ! [A: $i] :
      ( ( A = null_class )
      | ( member @ ( not_subclass_element @ A @ null_class ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[151]) ).

thf(84,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ universal_class @ universal_class ) )
      | ~ ( member @ A @ B )
      | ( member @ ( ordered_pair @ A @ B ) @ element_relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_relation3) ).

thf(339,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ universal_class @ universal_class ) )
      | ~ ( member @ A @ B )
      | ( member @ ( ordered_pair @ A @ B ) @ element_relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[84]) ).

thf(28,axiom,
    ! [A: $i] :
      ( ~ ( inductive @ A )
      | ( subclass @ ( image @ successor_relation @ A ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inductive2) ).

thf(212,plain,
    ! [A: $i] :
      ( ~ ( inductive @ A )
      | ( subclass @ ( image @ successor_relation @ A ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(9,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( subclass @ A @ B )
      | ~ ( subclass @ B @ A )
      | ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_implies_equal) ).

thf(173,plain,
    ! [B: $i,A: $i] :
      ( ~ ( subclass @ A @ B )
      | ~ ( subclass @ B @ A )
      | ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(99,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( unordered_pair @ B @ C ) )
      | ( A = B )
      | ( A = C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_member) ).

thf(371,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( unordered_pair @ B @ C ) )
      | ( A = B )
      | ( A = C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[99]) ).

thf(86,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ D )
      | ~ ( member @ ( ordered_pair @ ( ordered_pair @ C @ A ) @ B ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ C @ A ) @ B ) @ ( rotate @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rotate3) ).

thf(343,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ D )
      | ~ ( member @ ( ordered_pair @ ( ordered_pair @ C @ A ) @ B ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ C @ A ) @ B ) @ ( rotate @ D ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[86]) ).

thf(43,axiom,
    ! [B: $i,A: $i] :
      ( ( intersection @ ( complement @ ( intersection @ A @ B ) ) @ ( complement @ ( intersection @ ( complement @ A ) @ ( complement @ B ) ) ) )
      = ( symmetric_difference @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetric_difference) ).

thf(244,plain,
    ! [B: $i,A: $i] :
      ( ( intersection @ ( complement @ ( intersection @ A @ B ) ) @ ( complement @ ( intersection @ ( complement @ A ) @ ( complement @ B ) ) ) )
      = ( symmetric_difference @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(54,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( compose @ C @ D ) )
      | ( member @ B @ ( image @ C @ ( image @ D @ ( singleton @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compose2) ).

thf(266,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( compose @ C @ D ) )
      | ( member @ B @ ( image @ C @ ( image @ D @ ( singleton @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(26,axiom,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subclass @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_implies_subclass1) ).

thf(205,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( subclass @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

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

thf(298,plain,
    ! [A: $i] : ( member @ ( singleton @ A ) @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[66]) ).

thf(127,axiom,
    ! [A: $i] :
      ( ~ ( operation @ A )
      | ( ( cross_product @ ( domain_of @ ( domain_of @ A ) ) @ ( domain_of @ ( domain_of @ A ) ) )
        = ( domain_of @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',operation2) ).

thf(430,plain,
    ! [A: $i] :
      ( ~ ( operation @ A )
      | ( ( cross_product @ ( domain_of @ ( domain_of @ A ) ) @ ( domain_of @ ( domain_of @ A ) ) )
        = ( domain_of @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[127]) ).

thf(7,axiom,
    ! [A: $i] :
      ( ( ( not_subclass_element @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) @ null_class )
       != ( not_subclass_element @ A @ null_class ) )
      | ( ( singleton @ ( not_subclass_element @ A @ null_class ) )
        = A )
      | ( A = null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_1_to_number_of_elements_in_class) ).

thf(166,plain,
    ! [A: $i] :
      ( ( ( not_subclass_element @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) @ null_class )
       != ( not_subclass_element @ A @ null_class ) )
      | ( ( singleton @ ( not_subclass_element @ A @ null_class ) )
        = A )
      | ( A = null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(53,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ( subclass @ ( singleton @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_of_singletons2) ).

thf(264,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ( subclass @ ( singleton @ A ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

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

thf(161,plain,
    ! [B: $i,A: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(12,axiom,
    ! [A: $i] :
      ( ~ ( single_valued_class @ A )
      | ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_valued_class1) ).

thf(180,plain,
    ! [A: $i] :
      ( ~ ( single_valued_class @ A )
      | ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( complement @ ( image @ element_relation @ ( complement @ A ) ) )
      = ( power_class @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',power_class_definition) ).

thf(176,plain,
    ! [A: $i] :
      ( ( complement @ ( image @ element_relation @ ( complement @ A ) ) )
      = ( power_class @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(123,axiom,
    subclass @ successor_relation @ ( cross_product @ universal_class @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_relation1) ).

thf(423,plain,
    subclass @ successor_relation @ ( cross_product @ universal_class @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[123]) ).

thf(112,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ( A = B )
      | ( member @ ( not_subclass_element @ B @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality2) ).

thf(402,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ( A = B )
      | ( member @ ( not_subclass_element @ B @ A ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[112]) ).

thf(62,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( operation @ A )
      | ~ ( operation @ B )
      | ~ ( compatible @ C @ A @ B )
      | ( ( apply @ B @ ( ordered_pair @ ( apply @ C @ ( not_homomorphism1 @ C @ A @ B ) ) @ ( apply @ C @ ( not_homomorphism2 @ C @ A @ B ) ) ) )
       != ( apply @ C @ ( apply @ A @ ( ordered_pair @ ( not_homomorphism1 @ C @ A @ B ) @ ( not_homomorphism2 @ C @ A @ B ) ) ) ) )
      | ( homomorphism @ C @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism6) ).

thf(286,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( operation @ A )
      | ~ ( operation @ B )
      | ~ ( compatible @ C @ A @ B )
      | ( ( apply @ B @ ( ordered_pair @ ( apply @ C @ ( not_homomorphism1 @ C @ A @ B ) ) @ ( apply @ C @ ( not_homomorphism2 @ C @ A @ B ) ) ) )
       != ( apply @ C @ ( apply @ A @ ( ordered_pair @ ( not_homomorphism1 @ C @ A @ B ) @ ( not_homomorphism2 @ C @ A @ B ) ) ) ) )
      | ( homomorphism @ C @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[62]) ).

thf(117,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ~ ( member @ C @ D )
      | ( member @ ( ordered_pair @ A @ C ) @ ( cross_product @ B @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product3) ).

thf(413,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ~ ( member @ C @ D )
      | ( member @ ( ordered_pair @ A @ C ) @ ( cross_product @ B @ D ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[117]) ).

thf(104,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( complement @ B ) )
      | ( member @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',complement2) ).

thf(382,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( complement @ B ) )
      | ( member @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[104]) ).

thf(141,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ A @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_1_to_cartesian_product) ).

thf(466,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ A @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[141]) ).

thf(89,axiom,
    member @ null_class @ universal_class,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_is_a_set) ).

thf(350,plain,
    member @ null_class @ universal_class,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[89]) ).

thf(57,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection1) ).

thf(274,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ ( intersection @ B @ C ) )
      | ( member @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[57]) ).

thf(120,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ B @ ( unordered_pair @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_2_to_unordered_pair) ).

thf(419,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ B @ ( unordered_pair @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[120]) ).

thf(101,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( first @ ( not_subclass_element @ ( restrict @ A @ B @ ( singleton @ C ) ) @ null_class ) )
      = ( domain @ A @ B @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',domain) ).

thf(377,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( first @ ( not_subclass_element @ ( restrict @ A @ B @ ( singleton @ C ) ) @ null_class ) )
      = ( domain @ A @ B @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[101]) ).

thf(94,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ D )
      | ~ ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ ( flip @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',flip3) ).

thf(362,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ D )
      | ~ ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ B @ A ) @ C ) @ ( flip @ D ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[94]) ).

thf(69,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ( subclass @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members2) ).

thf(303,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ( subclass @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[69]) ).

thf(56,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
       != ( unordered_pair @ A @ C ) )
      | ~ ( member @ ( ordered_pair @ B @ C ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( B = C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_cancellation) ).

thf(271,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( unordered_pair @ A @ B )
       != ( unordered_pair @ A @ C ) )
      | ~ ( member @ ( ordered_pair @ B @ C ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( B = C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[56]) ).

thf(146,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( unordered_pair @ A @ B )
       != null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_unordered_pair_axiom1) ).

thf(477,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( unordered_pair @ A @ B )
       != null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[146]) ).

thf(106,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( subclass @ A @ B )
      | ~ ( member @ C @ A )
      | ( member @ C @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_members) ).

thf(387,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( subclass @ A @ B )
      | ~ ( member @ C @ A )
      | ( member @ C @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[106]) ).

thf(153,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( unordered_pair @ null_class @ ( singleton @ ( singleton @ A ) ) )
        = ( ordered_pair @ B @ A ) )
      | ( member @ B @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_2_of_ordered_pair) ).

thf(494,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( unordered_pair @ null_class @ ( singleton @ ( singleton @ A ) ) )
        = ( ordered_pair @ B @ A ) )
      | ( member @ B @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[153]) ).

thf(87,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( intersection @ ( cross_product @ A @ B ) @ C )
      = ( restrict @ C @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',restriction2) ).

thf(345,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( intersection @ ( cross_product @ A @ B ) @ C )
      = ( restrict @ C @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[87]) ).

thf(77,axiom,
    ! [B: $i,A: $i] :
      ( ( member @ A @ universal_class )
      | ( ( unordered_pair @ B @ A )
        = ( singleton @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_equals_singleton1) ).

thf(323,plain,
    ! [B: $i,A: $i] :
      ( ( member @ A @ universal_class )
      | ( ( unordered_pair @ B @ A )
        = ( singleton @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[77]) ).

thf(1,negated_conjecture,
    member @ ( ordered_pair @ y @ z ) @ ( cross_product @ universal_class @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_existence_of_1st_and_2nd_1_1) ).

thf(155,plain,
    member @ ( ordered_pair @ y @ z ) @ ( cross_product @ universal_class @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(139,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ ( member_of @ ( singleton @ A ) ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_exists1) ).

thf(462,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ ( member_of @ ( singleton @ A ) ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[139]) ).

thf(41,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( compatible @ A @ B @ C )
      | ( ( domain_of @ ( domain_of @ B ) )
        = ( domain_of @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compatible2) ).

thf(240,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( compatible @ A @ B @ C )
      | ( ( domain_of @ ( domain_of @ B ) )
        = ( domain_of @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(46,axiom,
    ! [A: $i] :
      ( ~ ( one_to_one @ A )
      | ( function @ ( inverse @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_to_one2) ).

thf(251,plain,
    ! [A: $i] :
      ( ~ ( one_to_one @ A )
      | ( function @ ( inverse @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(59,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ A @ ( unordered_pair @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_1_to_unordered_pair) ).

thf(278,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ A @ ( unordered_pair @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[59]) ).

thf(109,axiom,
    ! [B: $i,A: $i] :
      ( ( ( singleton @ A )
       != ( singleton @ B ) )
      | ~ ( member @ B @ universal_class )
      | ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_identified_by_element2) ).

thf(394,plain,
    ! [B: $i,A: $i] :
      ( ( ( singleton @ A )
       != ( singleton @ B ) )
      | ~ ( member @ B @ universal_class )
      | ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[109]) ).

thf(67,axiom,
    ! [A: $i] :
      ( ( member @ ( not_subclass_element @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) @ null_class ) @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) )
      | ( ( singleton @ ( not_subclass_element @ A @ null_class ) )
        = A )
      | ( A = null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',number_of_elements_in_class) ).

thf(299,plain,
    ! [A: $i] :
      ( ( member @ ( not_subclass_element @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) @ null_class ) @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) )
      | ( ( singleton @ ( not_subclass_element @ A @ null_class ) )
        = A )
      | ( A = null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[67]) ).

thf(130,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ B @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_2_to_cartesian_product) ).

thf(438,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ B @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[130]) ).

thf(125,axiom,
    ! [A: $i] :
      ( ~ ( subclass @ A @ ( cross_product @ universal_class @ universal_class ) )
      | ~ ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation )
      | ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',function3) ).

thf(426,plain,
    ! [A: $i] :
      ( ~ ( 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)],[125]) ).

thf(100,axiom,
    ! [A: $i] :
      ( ~ ( function @ A )
      | ( ( cross_product @ ( domain_of @ ( domain_of @ A ) ) @ ( domain_of @ ( domain_of @ A ) ) )
       != ( domain_of @ A ) )
      | ~ ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ A ) ) )
      | ( operation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',operation4) ).

thf(374,plain,
    ! [A: $i] :
      ( ~ ( function @ A )
      | ( ( cross_product @ ( domain_of @ ( domain_of @ A ) ) @ ( domain_of @ ( domain_of @ A ) ) )
       != ( domain_of @ A ) )
      | ~ ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ A ) ) )
      | ( operation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[100]) ).

thf(48,axiom,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ~ ( member @ ( ordered_pair @ D @ E ) @ ( domain_of @ B ) )
      | ( ( apply @ C @ ( ordered_pair @ ( apply @ A @ D ) @ ( apply @ A @ E ) ) )
        = ( apply @ A @ ( apply @ B @ ( ordered_pair @ D @ E ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism4) ).

thf(255,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( homomorphism @ A @ B @ C )
      | ~ ( member @ ( ordered_pair @ D @ E ) @ ( domain_of @ B ) )
      | ( ( apply @ C @ ( ordered_pair @ ( apply @ A @ D ) @ ( apply @ A @ E ) ) )
        = ( apply @ A @ ( apply @ B @ ( ordered_pair @ D @ E ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(27,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( function @ A )
      | ( ( domain_of @ ( domain_of @ B ) )
       != ( domain_of @ A ) )
      | ~ ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ C ) ) )
      | ( compatible @ A @ B @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compatible4) ).

thf(209,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( function @ A )
      | ( ( domain_of @ ( domain_of @ B ) )
       != ( domain_of @ A ) )
      | ~ ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ C ) ) )
      | ( compatible @ A @ B @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

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

thf(194,plain,
    ! [A: $i] : ( subclass @ null_class @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(65,axiom,
    ! [B: $i,A: $i] :
      ( ( ( unordered_pair @ null_class @ ( singleton @ null_class ) )
        = ( ordered_pair @ A @ B ) )
      | ( member @ A @ universal_class )
      | ( member @ B @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_3_of_ordered_pair) ).

thf(295,plain,
    ! [B: $i,A: $i] :
      ( ( ( unordered_pair @ null_class @ ( singleton @ null_class ) )
        = ( ordered_pair @ A @ B ) )
      | ( member @ A @ universal_class )
      | ( member @ B @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[65]) ).

thf(115,axiom,
    ! [B: $i,A: $i] :
      ~ ( member @ A @ ( intersection @ ( complement @ B ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',special_classes_lemma) ).

thf(409,plain,
    ! [B: $i,A: $i] :
      ~ ( member @ A @ ( intersection @ ( complement @ B ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[115]) ).

thf(52,axiom,
    ! [B: $i,A: $i] : ( member @ ( singleton @ A ) @ ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_member_of_ordered_pair) ).

thf(263,plain,
    ! [B: $i,A: $i] : ( member @ ( singleton @ A ) @ ( ordered_pair @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(23,axiom,
    ! [B: $i,A: $i] : ( subclass @ ( singleton @ A ) @ ( unordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_in_unordered_pair1) ).

thf(199,plain,
    ! [B: $i,A: $i] : ( subclass @ ( singleton @ A ) @ ( unordered_pair @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ~ ( function @ ( inverse @ A ) )
      | ~ ( function @ A )
      | ( one_to_one @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_to_one3) ).

thf(182,plain,
    ! [A: $i] :
      ( ~ ( function @ ( inverse @ A ) )
      | ~ ( function @ A )
      | ( one_to_one @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(81,axiom,
    ! [A: $i] :
      ~ ( member @ A @ null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_null_class) ).

thf(331,plain,
    ! [A: $i] :
      ~ ( member @ A @ null_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[81]) ).

thf(98,axiom,
    ! [B: $i,A: $i] : ( member @ ( singleton @ A ) @ ( unordered_pair @ B @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_1_to_singletons_are_sets) ).

thf(370,plain,
    ! [B: $i,A: $i] : ( member @ ( singleton @ A ) @ ( unordered_pair @ B @ ( singleton @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[98]) ).

thf(143,axiom,
    ! [A: $i] :
      ( ~ ( member @ null_class @ A )
      | ~ ( subclass @ ( image @ successor_relation @ A ) @ A )
      | ( inductive @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inductive3) ).

thf(470,plain,
    ! [A: $i] :
      ( ~ ( member @ null_class @ A )
      | ~ ( subclass @ ( image @ successor_relation @ A ) @ A )
      | ( inductive @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[143]) ).

thf(93,axiom,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
      | ( ( singleton @ A )
        = null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_is_null_class) ).

thf(359,plain,
    ! [A: $i] :
      ( ( member @ A @ universal_class )
      | ( ( singleton @ A )
        = null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[93]) ).

thf(83,axiom,
    ! [A: $i] :
      ( ( member @ ( member_of @ A ) @ universal_class )
      | ( ( member_of @ A )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_exists3) ).

thf(336,plain,
    ! [A: $i] :
      ( ( member @ ( member_of @ A ) @ universal_class )
      | ( ( member_of @ A )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[83]) ).

thf(74,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product1) ).

thf(314,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[74]) ).

thf(133,axiom,
    ! [B: $i,A: $i] :
      ( ( ( singleton @ A )
       != ( singleton @ B ) )
      | ~ ( member @ A @ universal_class )
      | ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_identified_by_element1) ).

thf(446,plain,
    ! [B: $i,A: $i] :
      ( ( ( singleton @ A )
       != ( singleton @ B ) )
      | ~ ( member @ A @ universal_class )
      | ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[133]) ).

thf(154,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ ( sum_class @ A ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum_class2) ).

thf(497,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ ( sum_class @ A ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[154]) ).

thf(37,axiom,
    ! [A: $i] :
      ( ~ ( inductive @ A )
      | ( subclass @ omega @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',omega_is_inductive2) ).

thf(231,plain,
    ! [A: $i] :
      ( ~ ( inductive @ A )
      | ( subclass @ omega @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(31,axiom,
    ! [A: $i] :
      ( ( complement @ ( domain_of @ ( intersection @ A @ identity_relation ) ) )
      = ( diagonalise @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',diagonalisation) ).

thf(218,plain,
    ! [A: $i] :
      ( ( complement @ ( domain_of @ ( intersection @ A @ identity_relation ) ) )
      = ( diagonalise @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(76,axiom,
    ! [B: $i,A: $i] :
      ( ( ( successor @ A )
       != B )
      | ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( member @ ( ordered_pair @ A @ B ) @ successor_relation ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_relation3) ).

thf(319,plain,
    ! [B: $i,A: $i] :
      ( ( ( successor @ A )
       != B )
      | ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ universal_class @ universal_class ) )
      | ( member @ ( ordered_pair @ A @ B ) @ successor_relation ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[76]) ).

thf(49,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( rotate @ D ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ A ) @ D ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rotate2) ).

thf(258,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ A @ B ) @ C ) @ ( rotate @ D ) )
      | ( member @ ( ordered_pair @ ( ordered_pair @ B @ C ) @ A ) @ D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(16,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( compatible @ A @ B @ C )
      | ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compatible3) ).

thf(186,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( compatible @ A @ B @ C )
      | ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(119,axiom,
    ! [B: $i,A: $i] : ( member @ ( unordered_pair @ A @ ( singleton @ B ) ) @ ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_member_of_ordered_pair) ).

thf(418,plain,
    ! [B: $i,A: $i] : ( member @ ( unordered_pair @ A @ ( singleton @ B ) ) @ ( ordered_pair @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[119]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
        = A )
      | ( ( member_of @ A )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_exists4) ).

thf(158,plain,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
        = A )
      | ( ( member_of @ A )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(90,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( restrict @ B @ ( singleton @ A ) @ universal_class )
        = null_class )
      | ( member @ A @ ( domain_of @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',domain2) ).

thf(351,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( restrict @ B @ ( singleton @ A ) @ universal_class )
        = null_class )
      | ( member @ A @ ( domain_of @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[90]) ).

thf(128,axiom,
    ! [B: $i,A: $i] :
      ( ( ( unordered_pair @ ( singleton @ A ) @ ( unordered_pair @ A @ null_class ) )
        = ( ordered_pair @ A @ B ) )
      | ( member @ B @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_1_of_ordered_pair) ).

thf(433,plain,
    ! [B: $i,A: $i] :
      ( ( ( unordered_pair @ ( singleton @ A ) @ ( unordered_pair @ A @ null_class ) )
        = ( ordered_pair @ A @ B ) )
      | ( member @ B @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[128]) ).

thf(29,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( subclass @ A @ B )
      | ~ ( subclass @ B @ C )
      | ( subclass @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',transitivity_of_subclass) ).

thf(214,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( subclass @ A @ B )
      | ~ ( subclass @ B @ C )
      | ( subclass @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(39,axiom,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of1 @ A ) )
        = A )
      | ( ( member_of @ A )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_of_non_singleton_unique2) ).

thf(235,plain,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of1 @ A ) )
        = A )
      | ( ( member_of @ A )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(44,axiom,
    ! [A: $i] :
      ( ~ ( subclass @ A @ null_class )
      | ( A = null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_of_null_class_is_subclass) ).

thf(246,plain,
    ! [A: $i] :
      ( ~ ( subclass @ A @ null_class )
      | ( A = null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(113,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ~ ( member @ A @ C )
      | ( member @ A @ ( intersection @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection3) ).

thf(405,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( member @ A @ B )
      | ~ ( member @ A @ C )
      | ( member @ A @ ( intersection @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[113]) ).

thf(18,axiom,
    ! [A: $i] :
      ( ~ ( operation @ A )
      | ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',operation3) ).

thf(190,plain,
    ! [A: $i] :
      ( ~ ( operation @ A )
      | ( subclass @ ( range_of @ A ) @ ( domain_of @ ( domain_of @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(122,axiom,
    member @ omega @ universal_class,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',omega_in_universal) ).

thf(422,plain,
    member @ omega @ universal_class,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[122]) ).

thf(70,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ( B = A )
      | ( member @ ( not_subclass_element @ B @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality3) ).

thf(305,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ ( not_subclass_element @ A @ B ) @ B )
      | ( B = A )
      | ( member @ ( not_subclass_element @ B @ A ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[70]) ).

thf(78,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ B @ D ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product2) ).

thf(326,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
      | ( member @ B @ D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[78]) ).

thf(85,axiom,
    ! [B: $i,A: $i] :
      ( ( unordered_pair @ ( singleton @ A ) @ ( unordered_pair @ A @ ( singleton @ B ) ) )
      = ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair) ).

thf(341,plain,
    ! [B: $i,A: $i] :
      ( ( unordered_pair @ ( singleton @ A ) @ ( unordered_pair @ A @ ( singleton @ B ) ) )
      = ( ordered_pair @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[85]) ).

thf(55,axiom,
    ! [A: $i] :
      ( ( member @ ( not_subclass_element @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) @ null_class ) @ A )
      | ( ( singleton @ ( not_subclass_element @ A @ null_class ) )
        = A )
      | ( A = null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_2_to_number_of_elements_in_class) ).

thf(268,plain,
    ! [A: $i] :
      ( ( member @ ( not_subclass_element @ ( intersection @ ( complement @ ( singleton @ ( not_subclass_element @ A @ null_class ) ) ) @ A ) @ null_class ) @ A )
      | ( ( singleton @ ( not_subclass_element @ A @ null_class ) )
        = A )
      | ( A = null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(21,axiom,
    ! [A: $i] :
      ( ~ ( one_to_one @ A )
      | ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_to_one1) ).

thf(195,plain,
    ! [A: $i] :
      ( ~ ( one_to_one @ A )
      | ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(145,axiom,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( member @ ( not_subclass_element @ A @ B ) @ A )
      | ( member @ ( not_subclass_element @ B @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality1) ).

thf(474,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( member @ ( not_subclass_element @ A @ B ) @ A )
      | ( member @ ( not_subclass_element @ B @ A ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[145]) ).

thf(111,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',set_in_its_singleton) ).

thf(400,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( singleton @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[111]) ).

thf(61,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( singleton @ A )
       != null_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_set_in_its_singleton) ).

thf(283,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( singleton @ A )
       != null_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[61]) ).

thf(118,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ ( singleton @ B ) )
      | ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',only_member_in_singleton) ).

thf(415,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ ( singleton @ B ) )
      | ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[118]) ).

thf(140,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( function @ A )
      | ~ ( member @ B @ universal_class )
      | ( member @ ( image @ A @ B ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',replacement) ).

thf(464,plain,
    ! [B: $i,A: $i] :
      ( ~ ( function @ A )
      | ~ ( member @ B @ universal_class )
      | ( member @ ( image @ A @ B ) @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[140]) ).

thf(138,axiom,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
       != A )
      | ( member @ A @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_2_to_singletons_are_sets) ).

thf(459,plain,
    ! [A: $i] :
      ( ( ( singleton @ ( member_of @ A ) )
       != A )
      | ( member @ A @ universal_class ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[138]) ).

thf(11,axiom,
    ! [A: $i] :
      ( ( unordered_pair @ A @ A )
      = ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set) ).

thf(178,plain,
    ! [A: $i] :
      ( ( unordered_pair @ A @ A )
      = ( singleton @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(97,axiom,
    ! [B: $i,A: $i] : ( member @ ( ordered_pair @ A @ B ) @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair_is_set) ).

thf(369,plain,
    ! [B: $i,A: $i] : ( member @ ( ordered_pair @ A @ B ) @ universal_class ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[97]) ).

thf(5,axiom,
    ! [A: $i] :
      ( ( domain_of @ ( inverse @ A ) )
      = ( range_of @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',range_of) ).

thf(163,plain,
    ! [A: $i] :
      ( ( domain_of @ ( inverse @ A ) )
      = ( range_of @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(24,axiom,
    ! [A: $i] :
      ( ~ ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation )
      | ( single_valued_class @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_valued_class2) ).

thf(200,plain,
    ! [A: $i] :
      ( ~ ( subclass @ ( compose @ A @ ( inverse @ A ) ) @ identity_relation )
      | ( single_valued_class @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(35,axiom,
    ! [B: $i,A: $i] :
      ( ( sum_class @ ( image @ A @ ( singleton @ B ) ) )
      = ( apply @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',apply) ).

thf(227,plain,
    ! [B: $i,A: $i] :
      ( ( sum_class @ ( image @ A @ ( singleton @ B ) ) )
      = ( apply @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(150,axiom,
    ! [A: $i] :
      ( ~ ( inductive @ A )
      | ( member @ null_class @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inductive1) ).

thf(486,plain,
    ! [A: $i] :
      ( ~ ( inductive @ A )
      | ( member @ null_class @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[150]) ).

thf(91,axiom,
    ! [A: $i] :
      ( ( domain_of @ ( flip @ ( cross_product @ A @ universal_class ) ) )
      = ( inverse @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inverse) ).

thf(354,plain,
    ! [A: $i] :
      ( ( domain_of @ ( flip @ ( cross_product @ A @ universal_class ) ) )
      = ( inverse @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[91]) ).

thf(72,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( A = null_class )
      | ( member @ ( apply @ choice @ A ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',choice2) ).

thf(309,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( A = null_class )
      | ( member @ ( apply @ choice @ A ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[72]) ).

thf(152,axiom,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( member_of @ ( singleton @ A ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_of_singleton_is_unique) ).

thf(491,plain,
    ! [A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( ( member_of @ ( singleton @ A ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[152]) ).

thf(33,axiom,
    ! [A: $i] :
      ( ( intersection @ ( domain_of @ A ) @ ( diagonalise @ ( compose @ ( inverse @ element_relation ) @ A ) ) )
      = ( cantor @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cantor_class) ).

thf(222,plain,
    ! [A: $i] :
      ( ( intersection @ ( domain_of @ A ) @ ( diagonalise @ ( compose @ ( inverse @ element_relation ) @ A ) ) )
      = ( cantor @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(136,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( unordered_pair @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair3) ).

thf(454,plain,
    ! [B: $i,A: $i] :
      ( ~ ( member @ A @ universal_class )
      | ( member @ A @ ( unordered_pair @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[136]) ).

thf(95,axiom,
    ! [A: $i] :
      ( ( domain_of @ ( restrict @ element_relation @ universal_class @ A ) )
      = ( sum_class @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum_class_definition) ).

thf(364,plain,
    ! [A: $i] :
      ( ( domain_of @ ( restrict @ element_relation @ universal_class @ A ) )
      = ( sum_class @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[95]) ).

thf(505,plain,
    $false,
    inference(cvc4,[status(thm)],[347,468,481,333,249,276,308,449,379,440,202,384,472,185,436,389,184,421,289,316,261,216,443,253,238,480,397,280,411,243,428,312,292,381,233,452,220,366,302,260,392,424,165,192,407,197,329,456,224,229,484,156,188,356,169,328,488,339,212,173,371,343,244,266,205,298,430,166,264,161,180,176,423,402,286,413,382,466,350,274,419,377,362,303,271,477,387,494,345,323,155,462,240,251,278,394,299,438,426,374,255,209,194,295,409,263,199,182,331,370,470,359,336,314,446,497,231,218,319,258,186,418,158,351,433,214,235,246,405,190,422,305,326,341,268,195,474,400,283,415,464,459,178,369,163,200,227,486,354,309,491,222,454,364]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SET108-7 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.15/0.15  % Command  : run_Leo-III %s %d
% 0.15/0.35  % Computer : n016.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 300
% 0.15/0.35  % DateTime : Thu May 18 19:33:42 EDT 2023
% 0.21/0.35  % CPUTime  : 
% 0.98/0.87  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.46/1.05  % [INFO] 	 Parsing done (178ms). 
% 1.46/1.06  % [INFO] 	 Running in sequential loop mode. 
% 1.94/1.26  % [INFO] 	 eprover registered as external prover. 
% 1.94/1.26  % [INFO] 	 cvc4 registered as external prover. 
% 1.94/1.26  % [INFO] 	 Scanning for conjecture ... 
% 2.17/1.34  % [INFO] 	 Found a conjecture and 152 axioms. Running axiom selection ... 
% 2.33/1.41  % [INFO] 	 Axiom selection finished. Selected 152 axioms (removed 0 axioms). 
% 2.76/1.50  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 2.76/1.51  % [INFO] 	 Type checking passed. 
% 2.76/1.51  % [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 ... 
% 5.63/2.33  % External prover 'cvc4' found a proof!
% 5.63/2.33  % [INFO] 	 Killing All external provers ... 
% 5.63/2.34  % Time passed: 1826ms (effective reasoning time: 1274ms)
% 5.63/2.34  % 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)>
% 5.63/2.34  % Axioms used in derivation (152): operation4, number_of_elements_in_class, equal_implies_subclass1, complement1, one_to_one2, null_unordered_pair, property_3_of_ordered_pair, omega_is_inductive1, cartesian_product4, rotate2, homomorphism4, range_of, singleton_in_unordered_pair3, function3, corollary_to_set_in_its_singleton, regularity1, singleton_set, identity_relation, commutativity_of_unordered_pair, union, flip3, element_relation2, unordered_pairs_in_universal, corollary_of_null_class_is_subclass, equality1, compose2, homomorphism3, compatible3, symmetric_difference, cartesian_product1, image, replacement, singletons_are_sets, not_subclass_members1, existence_of_null_class, ordered_pair, successor_relation1, property_2_of_ordered_pair, successor, unordered_pair_equals_singleton2, corollary_to_unordered_pair_axiom2, domain, homomorphism1, singleton_in_unordered_pair1, singleton_identified_by_element2, member_of_non_singleton_unique1, null_class_is_a_set, member_exists2, one_to_one3, ordered_pair_determines_components1, single_valued_class1, compose3, omega_is_inductive2, rotate1, left_cancellation, choice1, property_1_of_ordered_pair, power_class2, equality2, regularity2, singleton_member_of_ordered_pair, equal_implies_subclass2, element_relation3, homomorphism6, intersection1, flip2, two_subsets_of_singleton, ordered_pair_is_set, corollary_1_to_singletons_are_sets, inverse, corollary_1_to_number_of_elements_in_class, corollary_to_unordered_pair_axiom3, sum_class_definition, inductive2, inductive1, compatible2, sum_class2, subclass_members, cartesian_product2, only_member_in_singleton, not_subclass_members2, ordered_pair_determines_components2, successor_relation3, member_exists3, domain2, function1, right_cancellation, compatible4, property_of_singletons2, intersection3, singleton_identified_by_element1, corollary_to_unordered_pair_axiom1, member_of_non_singleton_unique2, corollary_2_to_singletons_are_sets, single_valued_class2, unordered_pair_member, apply, corollary_2_to_number_of_elements_in_class, element_relation1, transitivity_of_subclass, operation1, member_of_singleton_is_unique, null_class_is_subclass, range, equality4, restriction1, cartesian_product3, flip1, homomorphism5, compatible1, unordered_pair2, unordered_pair_member_of_ordered_pair, operation2, member_exists4, rotate3, property_of_singletons1, singleton_in_unordered_pair2, complement2, one_to_one1, subclass_implies_equal, function2, cantor_class, successor_relation2, set_in_its_singleton, domain1, unordered_pair_is_subset, null_class_in_its_singleton, corollary_1_to_cartesian_product, null_class_is_unique, restriction2, omega_in_universal, class_elements_are_sets, diagonalisation, unordered_pairs_and_singletons, intersection2, inductive3, corollary_2_to_unordered_pair, equality3, corollary_1_to_unordered_pair, singleton_is_null_class, operation3, subclass_is_reflexive, homomorphism2, power_class_definition, unordered_pair_equals_singleton1, corollary_2_to_cartesian_product, choice2, unordered_pair3, special_classes_lemma, subset_relation, compose1, member_exists1
% 5.63/2.34  % No. of inferences in proof: 309
% 5.63/2.34  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1826 ms resp. 1274 ms w/o parsing
% 5.98/2.42  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 5.98/2.42  % [INFO] 	 Killing All external provers ... 
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