TSTP Solution File: SET095-7 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET095-7 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n010.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 : Sun May  5 09:11:09 EDT 2024

% Result   : Unsatisfiable 0.16s 0.35s
% Output   : Refutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :  154
% Syntax   : Number of formulae    :  277 ( 109 unt;   0 def)
%            Number of atoms       :  540 (  74 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  434 ( 171   ~; 185   |;   0   &)
%                                         (  78 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :   89 (  87 usr;  79 prp; 0-3 aty)
%            Number of functors    :   26 (  26 usr;  10 con; 0-3 aty)
%            Number of variables   :  274 ( 274   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f771,plain,
    $false,
    inference(avatar_sat_refutation,[],[f246,f251,f256,f261,f265,f270,f274,f278,f282,f287,f291,f295,f299,f304,f309,f313,f317,f322,f328,f332,f336,f340,f344,f348,f356,f360,f364,f368,f372,f376,f380,f385,f398,f402,f406,f410,f414,f418,f422,f426,f430,f434,f438,f442,f446,f450,f454,f458,f462,f466,f486,f508,f512,f516,f520,f525,f529,f533,f537,f567,f603,f607,f611,f615,f622,f626,f640,f644,f649,f653,f657,f661,f665,f669,f673,f677,f681,f685,f770]) ).

fof(f770,plain,
    ( ~ spl0_1
    | spl0_2
    | ~ spl0_71 ),
    inference(avatar_split_clause,[],[f719,f655,f248,f243]) ).

fof(f243,plain,
    ( spl0_1
  <=> member(x,y) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_1])]) ).

fof(f248,plain,
    ( spl0_2
  <=> subclass(unordered_pair(x,x),y) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_2])]) ).

fof(f655,plain,
    ( spl0_71
  <=> ! [X4,X0,X1] :
        ( ~ member(X0,X4)
        | ~ member(X1,X4)
        | subclass(unordered_pair(X0,X1),X4) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_71])]) ).

fof(f719,plain,
    ( ~ member(x,y)
    | spl0_2
    | ~ spl0_71 ),
    inference(duplicate_literal_removal,[],[f713]) ).

fof(f713,plain,
    ( ~ member(x,y)
    | ~ member(x,y)
    | spl0_2
    | ~ spl0_71 ),
    inference(resolution,[],[f656,f250]) ).

fof(f250,plain,
    ( ~ subclass(unordered_pair(x,x),y)
    | spl0_2 ),
    inference(avatar_component_clause,[],[f248]) ).

fof(f656,plain,
    ( ! [X0,X1,X4] :
        ( subclass(unordered_pair(X0,X1),X4)
        | ~ member(X1,X4)
        | ~ member(X0,X4) )
    | ~ spl0_71 ),
    inference(avatar_component_clause,[],[f655]) ).

fof(f685,plain,
    spl0_78,
    inference(avatar_split_clause,[],[f223,f683]) ).

fof(f683,plain,
    ( spl0_78
  <=> ! [X0] :
        ( member(domain_of(intersection(element_relation,cross_product(universal_class,X0))),universal_class)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_78])]) ).

fof(f223,plain,
    ! [X0] :
      ( member(domain_of(intersection(element_relation,cross_product(universal_class,X0))),universal_class)
      | ~ member(X0,universal_class) ),
    inference(forward_demodulation,[],[f169,f158]) ).

fof(f158,plain,
    ! [X0,X1,X5] : intersection(X5,cross_product(X0,X1)) = intersection(cross_product(X0,X1),X5),
    inference(definition_unfolding,[],[f28,f29]) ).

fof(f29,axiom,
    ! [X0,X1,X5] : restrict(X5,X0,X1) = intersection(cross_product(X0,X1),X5),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',restriction2) ).

fof(f28,axiom,
    ! [X0,X1,X5] : intersection(X5,cross_product(X0,X1)) = restrict(X5,X0,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',restriction1) ).

fof(f169,plain,
    ! [X0] :
      ( ~ member(X0,universal_class)
      | member(domain_of(intersection(cross_product(universal_class,X0),element_relation)),universal_class) ),
    inference(definition_unfolding,[],[f54,f141]) ).

fof(f141,plain,
    ! [X0] : sum_class(X0) = domain_of(intersection(cross_product(universal_class,X0),element_relation)),
    inference(definition_unfolding,[],[f53,f29]) ).

fof(f53,axiom,
    ! [X0] : domain_of(restrict(element_relation,universal_class,X0)) = sum_class(X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum_class_definition) ).

fof(f54,axiom,
    ! [X0] :
      ( ~ member(X0,universal_class)
      | member(sum_class(X0),universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum_class2) ).

fof(f681,plain,
    spl0_77,
    inference(avatar_split_clause,[],[f187,f679]) ).

fof(f679,plain,
    ( spl0_77
  <=> ! [X0] :
        ( member_of(X0) = X0
        | unordered_pair(member_of(X0),member_of(X0)) = X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_77])]) ).

fof(f187,plain,
    ! [X0] :
      ( member_of(X0) = X0
      | unordered_pair(member_of(X0),member_of(X0)) = X0 ),
    inference(definition_unfolding,[],[f133,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set) ).

fof(f133,axiom,
    ! [X0] :
      ( member_of(X0) = X0
      | singleton(member_of(X0)) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_exists4) ).

fof(f677,plain,
    spl0_76,
    inference(avatar_split_clause,[],[f186,f675]) ).

fof(f675,plain,
    ( spl0_76
  <=> ! [X0] :
        ( member_of(X0) = X0
        | unordered_pair(member_of1(X0),member_of1(X0)) = X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_76])]) ).

fof(f186,plain,
    ! [X0] :
      ( member_of(X0) = X0
      | unordered_pair(member_of1(X0),member_of1(X0)) = X0 ),
    inference(definition_unfolding,[],[f136,f12]) ).

fof(f136,axiom,
    ! [X0] :
      ( member_of(X0) = X0
      | singleton(member_of1(X0)) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_of_non_singleton_unique2) ).

fof(f673,plain,
    spl0_75,
    inference(avatar_split_clause,[],[f165,f671]) ).

fof(f671,plain,
    ( spl0_75
  <=> ! [X0] :
        ( single_valued_class(X0)
        | ~ subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_75])]) ).

fof(f165,plain,
    ! [X0] :
      ( single_valued_class(X0)
      | ~ subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation) ),
    inference(definition_unfolding,[],[f61,f38]) ).

fof(f38,axiom,
    ! [X1] : domain_of(flip(cross_product(X1,universal_class))) = inverse(X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inverse) ).

fof(f61,axiom,
    ! [X0] :
      ( single_valued_class(X0)
      | ~ subclass(compose(X0,inverse(X0)),identity_relation) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_valued_class2) ).

fof(f669,plain,
    spl0_74,
    inference(avatar_split_clause,[],[f164,f667]) ).

fof(f667,plain,
    ( spl0_74
  <=> ! [X8] :
        ( ~ function(X8)
        | subclass(compose(X8,domain_of(flip(cross_product(X8,universal_class)))),identity_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_74])]) ).

fof(f164,plain,
    ! [X8] :
      ( ~ function(X8)
      | subclass(compose(X8,domain_of(flip(cross_product(X8,universal_class)))),identity_relation) ),
    inference(definition_unfolding,[],[f63,f38]) ).

fof(f63,axiom,
    ! [X8] :
      ( ~ function(X8)
      | subclass(compose(X8,inverse(X8)),identity_relation) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',function2) ).

fof(f665,plain,
    spl0_73,
    inference(avatar_split_clause,[],[f160,f663]) ).

fof(f663,plain,
    ( spl0_73
  <=> ! [X0] :
        ( ~ single_valued_class(X0)
        | subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_73])]) ).

fof(f160,plain,
    ! [X0] :
      ( ~ single_valued_class(X0)
      | subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation) ),
    inference(definition_unfolding,[],[f60,f38]) ).

fof(f60,axiom,
    ! [X0] :
      ( ~ single_valued_class(X0)
      | subclass(compose(X0,inverse(X0)),identity_relation) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_valued_class1) ).

fof(f661,plain,
    spl0_72,
    inference(avatar_split_clause,[],[f158,f659]) ).

fof(f659,plain,
    ( spl0_72
  <=> ! [X5,X1,X0] : intersection(X5,cross_product(X0,X1)) = intersection(cross_product(X0,X1),X5) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_72])]) ).

fof(f657,plain,
    spl0_71,
    inference(avatar_split_clause,[],[f119,f655]) ).

fof(f119,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X0,X4)
      | ~ member(X1,X4)
      | subclass(unordered_pair(X0,X1),X4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_is_subset) ).

fof(f653,plain,
    spl0_70,
    inference(avatar_split_clause,[],[f113,f651]) ).

fof(f651,plain,
    ( spl0_70
  <=> ! [X0,X1] :
        ( member(X1,universal_class)
        | member(X0,universal_class)
        | unordered_pair(X0,X1) = null_class ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_70])]) ).

fof(f113,axiom,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | member(X0,universal_class)
      | unordered_pair(X0,X1) = null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_unordered_pair) ).

fof(f649,plain,
    ( spl0_69
    | ~ spl0_5
    | ~ spl0_60 ),
    inference(avatar_split_clause,[],[f616,f565,f263,f646]) ).

fof(f646,plain,
    ( spl0_69
  <=> member(x,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_69])]) ).

fof(f263,plain,
    ( spl0_5
  <=> ! [X0] : subclass(X0,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_5])]) ).

fof(f565,plain,
    ( spl0_60
  <=> ! [X0] :
        ( ~ subclass(y,X0)
        | member(x,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_60])]) ).

fof(f616,plain,
    ( member(x,universal_class)
    | ~ spl0_5
    | ~ spl0_60 ),
    inference(resolution,[],[f566,f264]) ).

fof(f264,plain,
    ( ! [X0] : subclass(X0,universal_class)
    | ~ spl0_5 ),
    inference(avatar_component_clause,[],[f263]) ).

fof(f566,plain,
    ( ! [X0] :
        ( ~ subclass(y,X0)
        | member(x,X0) )
    | ~ spl0_60 ),
    inference(avatar_component_clause,[],[f565]) ).

fof(f644,plain,
    spl0_68,
    inference(avatar_split_clause,[],[f23,f642]) ).

fof(f642,plain,
    ( spl0_68
  <=> ! [X4,X0,X1] :
        ( ~ member(X4,X0)
        | ~ member(X4,X1)
        | member(X4,intersection(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_68])]) ).

fof(f23,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X4,X0)
      | ~ member(X4,X1)
      | member(X4,intersection(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection3) ).

fof(f640,plain,
    spl0_67,
    inference(avatar_split_clause,[],[f8,f638]) ).

fof(f638,plain,
    ( spl0_67
  <=> ! [X2,X0,X1] :
        ( X1 = X2
        | X0 = X2
        | ~ member(X2,unordered_pair(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_67])]) ).

fof(f8,axiom,
    ! [X2,X0,X1] :
      ( X1 = X2
      | X0 = X2
      | ~ member(X2,unordered_pair(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_member) ).

fof(f626,plain,
    spl0_66,
    inference(avatar_split_clause,[],[f195,f624]) ).

fof(f624,plain,
    ( spl0_66
  <=> ! [X8] :
        ( ~ function(X8)
        | one_to_one(X8)
        | ~ function(domain_of(flip(cross_product(X8,universal_class)))) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_66])]) ).

fof(f195,plain,
    ! [X8] :
      ( ~ function(X8)
      | one_to_one(X8)
      | ~ function(domain_of(flip(cross_product(X8,universal_class)))) ),
    inference(definition_unfolding,[],[f73,f38]) ).

fof(f73,axiom,
    ! [X8] :
      ( ~ function(X8)
      | one_to_one(X8)
      | ~ function(inverse(X8)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_to_one3) ).

fof(f622,plain,
    spl0_65,
    inference(avatar_split_clause,[],[f180,f620]) ).

fof(f620,plain,
    ( spl0_65
  <=> ! [X0,X1] :
        ( member(X0,universal_class)
        | unordered_pair(X0,X1) = unordered_pair(X1,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_65])]) ).

fof(f180,plain,
    ! [X0,X1] :
      ( member(X0,universal_class)
      | unordered_pair(X0,X1) = unordered_pair(X1,X1) ),
    inference(definition_unfolding,[],[f112,f12]) ).

fof(f112,axiom,
    ! [X0,X1] :
      ( member(X0,universal_class)
      | unordered_pair(X0,X1) = singleton(X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_equals_singleton2) ).

fof(f615,plain,
    spl0_64,
    inference(avatar_split_clause,[],[f179,f613]) ).

fof(f613,plain,
    ( spl0_64
  <=> ! [X0,X1] :
        ( member(X1,universal_class)
        | unordered_pair(X0,X1) = unordered_pair(X0,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_64])]) ).

fof(f179,plain,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | unordered_pair(X0,X1) = unordered_pair(X0,X0) ),
    inference(definition_unfolding,[],[f111,f12]) ).

fof(f111,axiom,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | unordered_pair(X0,X1) = singleton(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_equals_singleton1) ).

fof(f611,plain,
    spl0_63,
    inference(avatar_split_clause,[],[f178,f609]) ).

fof(f609,plain,
    ( spl0_63
  <=> ! [X0] :
        ( member(X0,universal_class)
        | unordered_pair(member_of(X0),member_of(X0)) != X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_63])]) ).

fof(f178,plain,
    ! [X0] :
      ( member(X0,universal_class)
      | unordered_pair(member_of(X0),member_of(X0)) != X0 ),
    inference(definition_unfolding,[],[f137,f12]) ).

fof(f137,axiom,
    ! [X0] :
      ( member(X0,universal_class)
      | singleton(member_of(X0)) != X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_2_to_singletons_are_sets) ).

fof(f607,plain,
    spl0_62,
    inference(avatar_split_clause,[],[f83,f605]) ).

fof(f605,plain,
    ( spl0_62
  <=> ! [X9,X11,X10] :
        ( ~ compatible(X9,X10,X11)
        | domain_of(domain_of(X10)) = domain_of(X9) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_62])]) ).

fof(f83,axiom,
    ! [X10,X11,X9] :
      ( ~ compatible(X9,X10,X11)
      | domain_of(domain_of(X10)) = domain_of(X9) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compatible2) ).

fof(f603,plain,
    spl0_61,
    inference(avatar_split_clause,[],[f25,f601]) ).

fof(f601,plain,
    ( spl0_61
  <=> ! [X4,X0] :
        ( ~ member(X4,universal_class)
        | member(X4,X0)
        | member(X4,complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_61])]) ).

fof(f25,axiom,
    ! [X0,X4] :
      ( ~ member(X4,universal_class)
      | member(X4,X0)
      | member(X4,complement(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',complement2) ).

fof(f567,plain,
    ( spl0_60
    | ~ spl0_1
    | ~ spl0_52 ),
    inference(avatar_split_clause,[],[f551,f506,f243,f565]) ).

fof(f506,plain,
    ( spl0_52
  <=> ! [X2,X0,X1] :
        ( ~ subclass(X0,X1)
        | ~ member(X2,X0)
        | member(X2,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_52])]) ).

fof(f551,plain,
    ( ! [X0] :
        ( ~ subclass(y,X0)
        | member(x,X0) )
    | ~ spl0_1
    | ~ spl0_52 ),
    inference(resolution,[],[f507,f245]) ).

fof(f245,plain,
    ( member(x,y)
    | ~ spl0_1 ),
    inference(avatar_component_clause,[],[f243]) ).

fof(f507,plain,
    ( ! [X2,X0,X1] :
        ( ~ member(X2,X0)
        | ~ subclass(X0,X1)
        | member(X2,X1) )
    | ~ spl0_52 ),
    inference(avatar_component_clause,[],[f506]) ).

fof(f537,plain,
    spl0_59,
    inference(avatar_split_clause,[],[f171,f535]) ).

fof(f535,plain,
    ( spl0_59
  <=> ! [X1] :
        ( ~ member(X1,universal_class)
        | member(member_of(unordered_pair(X1,X1)),universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_59])]) ).

fof(f171,plain,
    ! [X1] :
      ( ~ member(X1,universal_class)
      | member(member_of(unordered_pair(X1,X1)),universal_class) ),
    inference(definition_unfolding,[],[f130,f12]) ).

fof(f130,axiom,
    ! [X1] :
      ( ~ member(X1,universal_class)
      | member(member_of(singleton(X1)),universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_exists1) ).

fof(f533,plain,
    spl0_58,
    inference(avatar_split_clause,[],[f170,f531]) ).

fof(f531,plain,
    ( spl0_58
  <=> ! [X2] :
        ( ~ member(X2,universal_class)
        | member_of(unordered_pair(X2,X2)) = X2 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_58])]) ).

fof(f170,plain,
    ! [X2] :
      ( ~ member(X2,universal_class)
      | member_of(unordered_pair(X2,X2)) = X2 ),
    inference(definition_unfolding,[],[f134,f12]) ).

fof(f134,axiom,
    ! [X2] :
      ( ~ member(X2,universal_class)
      | member_of(singleton(X2)) = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_of_singleton_is_unique) ).

fof(f529,plain,
    spl0_57,
    inference(avatar_split_clause,[],[f157,f527]) ).

fof(f527,plain,
    ( spl0_57
  <=> ! [X0,X1] : member(unordered_pair(X1,X1),unordered_pair(X0,unordered_pair(X1,X1))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_57])]) ).

fof(f157,plain,
    ! [X0,X1] : member(unordered_pair(X1,X1),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f121,f12,f12]) ).

fof(f121,axiom,
    ! [X0,X1] : member(singleton(X1),unordered_pair(X0,singleton(X1))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_1_to_singletons_are_sets) ).

fof(f525,plain,
    spl0_56,
    inference(avatar_split_clause,[],[f154,f522]) ).

fof(f522,plain,
    ( spl0_56
  <=> identity_relation = intersection(domain_of(flip(cross_product(subset_relation,universal_class))),subset_relation) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_56])]) ).

fof(f154,plain,
    identity_relation = intersection(domain_of(flip(cross_product(subset_relation,universal_class))),subset_relation),
    inference(definition_unfolding,[],[f75,f38]) ).

fof(f75,axiom,
    identity_relation = intersection(inverse(subset_relation),subset_relation),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity_relation) ).

fof(f520,plain,
    spl0_55,
    inference(avatar_split_clause,[],[f97,f518]) ).

fof(f518,plain,
    ( spl0_55
  <=> ! [X4,X0,X1] :
        ( ~ subclass(X0,X1)
        | ~ subclass(X1,X4)
        | subclass(X0,X4) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_55])]) ).

fof(f97,axiom,
    ! [X0,X1,X4] :
      ( ~ subclass(X0,X1)
      | ~ subclass(X1,X4)
      | subclass(X0,X4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',transitivity_of_subclass) ).

fof(f516,plain,
    spl0_54,
    inference(avatar_split_clause,[],[f67,f514]) ).

fof(f514,plain,
    ( spl0_54
  <=> ! [X0] :
        ( null_class = X0
        | null_class = intersection(X0,regular(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_54])]) ).

fof(f67,axiom,
    ! [X0] :
      ( null_class = X0
      | null_class = intersection(X0,regular(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',regularity2) ).

fof(f512,plain,
    spl0_53,
    inference(avatar_split_clause,[],[f7,f510]) ).

fof(f510,plain,
    ( spl0_53
  <=> ! [X0,X1] :
        ( ~ subclass(X0,X1)
        | ~ subclass(X1,X0)
        | X0 = X1 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_53])]) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( ~ subclass(X0,X1)
      | ~ subclass(X1,X0)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_implies_equal) ).

fof(f508,plain,
    spl0_52,
    inference(avatar_split_clause,[],[f1,f506]) ).

fof(f1,axiom,
    ! [X2,X0,X1] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_members) ).

fof(f486,plain,
    ( spl0_51
    | ~ spl0_23
    | ~ spl0_28 ),
    inference(avatar_split_clause,[],[f387,f366,f342,f484]) ).

fof(f484,plain,
    ( spl0_51
  <=> ! [X0] : null_class = intersection(complement(X0),X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_51])]) ).

fof(f342,plain,
    ( spl0_23
  <=> ! [X0,X1] : ~ member(X1,intersection(complement(X0),X0)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_23])]) ).

fof(f366,plain,
    ( spl0_28
  <=> ! [X0] :
        ( null_class = X0
        | member(regular(X0),X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_28])]) ).

fof(f387,plain,
    ( ! [X0] : null_class = intersection(complement(X0),X0)
    | ~ spl0_23
    | ~ spl0_28 ),
    inference(resolution,[],[f367,f343]) ).

fof(f343,plain,
    ( ! [X0,X1] : ~ member(X1,intersection(complement(X0),X0))
    | ~ spl0_23 ),
    inference(avatar_component_clause,[],[f342]) ).

fof(f367,plain,
    ( ! [X0] :
        ( member(regular(X0),X0)
        | null_class = X0 )
    | ~ spl0_28 ),
    inference(avatar_component_clause,[],[f366]) ).

fof(f466,plain,
    spl0_50,
    inference(avatar_split_clause,[],[f177,f464]) ).

fof(f464,plain,
    ( spl0_50
  <=> ! [X0] :
        ( member(X0,universal_class)
        | unordered_pair(X0,X0) = null_class ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_50])]) ).

fof(f177,plain,
    ! [X0] :
      ( member(X0,universal_class)
      | unordered_pair(X0,X0) = null_class ),
    inference(definition_unfolding,[],[f126,f12]) ).

fof(f126,axiom,
    ! [X0] :
      ( member(X0,universal_class)
      | singleton(X0) = null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_is_null_class) ).

fof(f462,plain,
    spl0_49,
    inference(avatar_split_clause,[],[f173,f460]) ).

fof(f460,plain,
    ( spl0_49
  <=> ! [X0,X1] :
        ( X0 = X1
        | ~ member(X1,unordered_pair(X0,X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_49])]) ).

fof(f173,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ member(X1,unordered_pair(X0,X0)) ),
    inference(definition_unfolding,[],[f125,f12]) ).

fof(f125,axiom,
    ! [X0,X1] :
      ( X0 = X1
      | ~ member(X1,singleton(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',only_member_in_singleton) ).

fof(f458,plain,
    spl0_48,
    inference(avatar_split_clause,[],[f161,f456]) ).

fof(f456,plain,
    ( spl0_48
  <=> ! [X8] :
        ( ~ one_to_one(X8)
        | function(domain_of(flip(cross_product(X8,universal_class)))) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_48])]) ).

fof(f161,plain,
    ! [X8] :
      ( ~ one_to_one(X8)
      | function(domain_of(flip(cross_product(X8,universal_class)))) ),
    inference(definition_unfolding,[],[f72,f38]) ).

fof(f72,axiom,
    ! [X8] :
      ( ~ one_to_one(X8)
      | function(inverse(X8)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_to_one2) ).

fof(f454,plain,
    ( spl0_47
    | ~ spl0_16
    | ~ spl0_25 ),
    inference(avatar_split_clause,[],[f381,f354,f311,f452]) ).

fof(f452,plain,
    ( spl0_47
  <=> ! [X0] :
        ( ~ member(null_class,X0)
        | ~ inductive(complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_47])]) ).

fof(f311,plain,
    ( spl0_16
  <=> ! [X0] :
        ( ~ inductive(X0)
        | member(null_class,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_16])]) ).

fof(f354,plain,
    ( spl0_25
  <=> ! [X4,X0] :
        ( ~ member(X4,X0)
        | ~ member(X4,complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_25])]) ).

fof(f381,plain,
    ( ! [X0] :
        ( ~ member(null_class,X0)
        | ~ inductive(complement(X0)) )
    | ~ spl0_16
    | ~ spl0_25 ),
    inference(resolution,[],[f355,f312]) ).

fof(f312,plain,
    ( ! [X0] :
        ( member(null_class,X0)
        | ~ inductive(X0) )
    | ~ spl0_16 ),
    inference(avatar_component_clause,[],[f311]) ).

fof(f355,plain,
    ( ! [X0,X4] :
        ( ~ member(X4,complement(X0))
        | ~ member(X4,X0) )
    | ~ spl0_25 ),
    inference(avatar_component_clause,[],[f354]) ).

fof(f450,plain,
    spl0_46,
    inference(avatar_split_clause,[],[f135,f448]) ).

fof(f448,plain,
    ( spl0_46
  <=> ! [X0] :
        ( member_of(X0) = X0
        | member(member_of1(X0),universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_46])]) ).

fof(f135,axiom,
    ! [X0] :
      ( member_of(X0) = X0
      | member(member_of1(X0),universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_of_non_singleton_unique1) ).

fof(f446,plain,
    spl0_45,
    inference(avatar_split_clause,[],[f132,f444]) ).

fof(f444,plain,
    ( spl0_45
  <=> ! [X0] :
        ( member_of(X0) = X0
        | member(member_of(X0),universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_45])]) ).

fof(f132,axiom,
    ! [X0] :
      ( member_of(X0) = X0
      | member(member_of(X0),universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_exists3) ).

fof(f442,plain,
    spl0_44,
    inference(avatar_split_clause,[],[f117,f440]) ).

fof(f440,plain,
    ( spl0_44
  <=> ! [X0,X1] :
        ( ~ member(X1,universal_class)
        | unordered_pair(X0,X1) != null_class ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_44])]) ).

fof(f117,axiom,
    ! [X0,X1] :
      ( ~ member(X1,universal_class)
      | unordered_pair(X0,X1) != null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_unordered_pair_axiom2) ).

fof(f438,plain,
    spl0_43,
    inference(avatar_split_clause,[],[f116,f436]) ).

fof(f436,plain,
    ( spl0_43
  <=> ! [X0,X1] :
        ( ~ member(X0,universal_class)
        | unordered_pair(X0,X1) != null_class ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_43])]) ).

fof(f116,axiom,
    ! [X0,X1] :
      ( ~ member(X0,universal_class)
      | unordered_pair(X0,X1) != null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_unordered_pair_axiom1) ).

fof(f434,plain,
    spl0_42,
    inference(avatar_split_clause,[],[f106,f432]) ).

fof(f432,plain,
    ( spl0_42
  <=> ! [X4] :
        ( null_class = X4
        | member(not_subclass_element(X4,null_class),X4) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_42])]) ).

fof(f106,axiom,
    ! [X4] :
      ( null_class = X4
      | member(not_subclass_element(X4,null_class),X4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_is_unique) ).

fof(f430,plain,
    spl0_41,
    inference(avatar_split_clause,[],[f88,f428]) ).

fof(f428,plain,
    ( spl0_41
  <=> ! [X9,X11,X10] :
        ( ~ homomorphism(X9,X10,X11)
        | compatible(X9,X10,X11) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_41])]) ).

fof(f88,axiom,
    ! [X10,X11,X9] :
      ( ~ homomorphism(X9,X10,X11)
      | compatible(X9,X10,X11) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism3) ).

fof(f426,plain,
    spl0_40,
    inference(avatar_split_clause,[],[f35,f424]) ).

fof(f424,plain,
    ( spl0_40
  <=> ! [X0] : subclass(flip(X0),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_40])]) ).

fof(f35,axiom,
    ! [X0] : subclass(flip(X0),cross_product(cross_product(universal_class,universal_class),universal_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',flip1) ).

fof(f422,plain,
    spl0_39,
    inference(avatar_split_clause,[],[f32,f420]) ).

fof(f420,plain,
    ( spl0_39
  <=> ! [X0] : subclass(rotate(X0),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_39])]) ).

fof(f32,axiom,
    ! [X0] : subclass(rotate(X0),cross_product(cross_product(universal_class,universal_class),universal_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rotate1) ).

fof(f418,plain,
    spl0_38,
    inference(avatar_split_clause,[],[f22,f416]) ).

fof(f416,plain,
    ( spl0_38
  <=> ! [X4,X0,X1] :
        ( member(X4,X1)
        | ~ member(X4,intersection(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_38])]) ).

fof(f22,axiom,
    ! [X0,X1,X4] :
      ( member(X4,X1)
      | ~ member(X4,intersection(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection2) ).

fof(f414,plain,
    spl0_37,
    inference(avatar_split_clause,[],[f21,f412]) ).

fof(f412,plain,
    ( spl0_37
  <=> ! [X4,X0,X1] :
        ( member(X4,X0)
        | ~ member(X4,intersection(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_37])]) ).

fof(f21,axiom,
    ! [X0,X1,X4] :
      ( member(X4,X0)
      | ~ member(X4,intersection(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection1) ).

fof(f410,plain,
    spl0_36,
    inference(avatar_split_clause,[],[f10,f408]) ).

fof(f408,plain,
    ( spl0_36
  <=> ! [X0,X1] :
        ( ~ member(X1,universal_class)
        | member(X1,unordered_pair(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_36])]) ).

fof(f10,axiom,
    ! [X0,X1] :
      ( ~ member(X1,universal_class)
      | member(X1,unordered_pair(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair3) ).

fof(f406,plain,
    spl0_35,
    inference(avatar_split_clause,[],[f9,f404]) ).

fof(f404,plain,
    ( spl0_35
  <=> ! [X0,X1] :
        ( ~ member(X0,universal_class)
        | member(X0,unordered_pair(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_35])]) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( ~ member(X0,universal_class)
      | member(X0,unordered_pair(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair2) ).

fof(f402,plain,
    spl0_34,
    inference(avatar_split_clause,[],[f3,f400]) ).

fof(f400,plain,
    ( spl0_34
  <=> ! [X0,X1] :
        ( subclass(X0,X1)
        | ~ member(not_subclass_element(X0,X1),X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_34])]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(not_subclass_element(X0,X1),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members2) ).

fof(f398,plain,
    spl0_33,
    inference(avatar_split_clause,[],[f2,f396]) ).

fof(f396,plain,
    ( spl0_33
  <=> ! [X0,X1] :
        ( subclass(X0,X1)
        | member(not_subclass_element(X0,X1),X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_33])]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(not_subclass_element(X0,X1),X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members1) ).

fof(f385,plain,
    ( spl0_32
    | ~ spl0_16
    | ~ spl0_23 ),
    inference(avatar_split_clause,[],[f349,f342,f311,f383]) ).

fof(f383,plain,
    ( spl0_32
  <=> ! [X0] : ~ inductive(intersection(complement(X0),X0)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_32])]) ).

fof(f349,plain,
    ( ! [X0] : ~ inductive(intersection(complement(X0),X0))
    | ~ spl0_16
    | ~ spl0_23 ),
    inference(resolution,[],[f343,f312]) ).

fof(f380,plain,
    spl0_31,
    inference(avatar_split_clause,[],[f156,f378]) ).

fof(f378,plain,
    ( spl0_31
  <=> ! [X0,X1] : subclass(unordered_pair(X1,X1),unordered_pair(X0,X1)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_31])]) ).

fof(f156,plain,
    ! [X0,X1] : subclass(unordered_pair(X1,X1),unordered_pair(X0,X1)),
    inference(definition_unfolding,[],[f110,f12]) ).

fof(f110,axiom,
    ! [X0,X1] : subclass(singleton(X1),unordered_pair(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_in_unordered_pair2) ).

fof(f376,plain,
    spl0_30,
    inference(avatar_split_clause,[],[f155,f374]) ).

fof(f374,plain,
    ( spl0_30
  <=> ! [X0,X1] : subclass(unordered_pair(X0,X0),unordered_pair(X0,X1)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_30])]) ).

fof(f155,plain,
    ! [X0,X1] : subclass(unordered_pair(X0,X0),unordered_pair(X0,X1)),
    inference(definition_unfolding,[],[f109,f12]) ).

fof(f109,axiom,
    ! [X0,X1] : subclass(singleton(X0),unordered_pair(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_in_unordered_pair1) ).

fof(f372,plain,
    spl0_29,
    inference(avatar_split_clause,[],[f108,f370]) ).

fof(f370,plain,
    ( spl0_29
  <=> ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_29])]) ).

fof(f108,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_unordered_pair) ).

fof(f368,plain,
    spl0_28,
    inference(avatar_split_clause,[],[f66,f366]) ).

fof(f66,axiom,
    ! [X0] :
      ( null_class = X0
      | member(regular(X0),X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',regularity1) ).

fof(f364,plain,
    spl0_27,
    inference(avatar_split_clause,[],[f62,f362]) ).

fof(f362,plain,
    ( spl0_27
  <=> ! [X8] :
        ( ~ function(X8)
        | subclass(X8,cross_product(universal_class,universal_class)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_27])]) ).

fof(f62,axiom,
    ! [X8] :
      ( ~ function(X8)
      | subclass(X8,cross_product(universal_class,universal_class)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',function1) ).

fof(f360,plain,
    spl0_26,
    inference(avatar_split_clause,[],[f57,f358]) ).

fof(f358,plain,
    ( spl0_26
  <=> ! [X5,X7] : subclass(compose(X7,X5),cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_26])]) ).

fof(f57,axiom,
    ! [X7,X5] : subclass(compose(X7,X5),cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compose1) ).

fof(f356,plain,
    spl0_25,
    inference(avatar_split_clause,[],[f24,f354]) ).

fof(f24,axiom,
    ! [X0,X4] :
      ( ~ member(X4,X0)
      | ~ member(X4,complement(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',complement1) ).

fof(f348,plain,
    spl0_24,
    inference(avatar_split_clause,[],[f105,f346]) ).

fof(f346,plain,
    ( spl0_24
  <=> ! [X0] :
        ( ~ subclass(X0,null_class)
        | null_class = X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_24])]) ).

fof(f105,axiom,
    ! [X0] :
      ( ~ subclass(X0,null_class)
      | null_class = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_of_null_class_is_subclass) ).

fof(f344,plain,
    spl0_23,
    inference(avatar_split_clause,[],[f102,f342]) ).

fof(f102,axiom,
    ! [X0,X1] : ~ member(X1,intersection(complement(X0),X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',special_classes_lemma) ).

fof(f340,plain,
    spl0_22,
    inference(avatar_split_clause,[],[f87,f338]) ).

fof(f338,plain,
    ( spl0_22
  <=> ! [X9,X11,X10] :
        ( operation(X11)
        | ~ homomorphism(X9,X10,X11) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_22])]) ).

fof(f87,axiom,
    ! [X10,X11,X9] :
      ( operation(X11)
      | ~ homomorphism(X9,X10,X11) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism2) ).

fof(f336,plain,
    spl0_21,
    inference(avatar_split_clause,[],[f86,f334]) ).

fof(f334,plain,
    ( spl0_21
  <=> ! [X9,X11,X10] :
        ( operation(X10)
        | ~ homomorphism(X9,X10,X11) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_21])]) ).

fof(f86,axiom,
    ! [X10,X11,X9] :
      ( operation(X10)
      | ~ homomorphism(X9,X10,X11) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',homomorphism1) ).

fof(f332,plain,
    spl0_20,
    inference(avatar_split_clause,[],[f82,f330]) ).

fof(f330,plain,
    ( spl0_20
  <=> ! [X9,X11,X10] :
        ( function(X9)
        | ~ compatible(X9,X10,X11) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_20])]) ).

fof(f82,axiom,
    ! [X10,X11,X9] :
      ( function(X9)
      | ~ compatible(X9,X10,X11) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compatible1) ).

fof(f328,plain,
    ( ~ spl0_19
    | ~ spl0_8
    | ~ spl0_16 ),
    inference(avatar_split_clause,[],[f323,f311,f276,f325]) ).

fof(f325,plain,
    ( spl0_19
  <=> inductive(null_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_19])]) ).

fof(f276,plain,
    ( spl0_8
  <=> ! [X4] : ~ member(X4,null_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_8])]) ).

fof(f323,plain,
    ( ~ inductive(null_class)
    | ~ spl0_8
    | ~ spl0_16 ),
    inference(resolution,[],[f312,f277]) ).

fof(f277,plain,
    ( ! [X4] : ~ member(X4,null_class)
    | ~ spl0_8 ),
    inference(avatar_component_clause,[],[f276]) ).

fof(f322,plain,
    spl0_18,
    inference(avatar_split_clause,[],[f152,f319]) ).

fof(f319,plain,
    ( spl0_18
  <=> member(null_class,unordered_pair(null_class,null_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_18])]) ).

fof(f152,plain,
    member(null_class,unordered_pair(null_class,null_class)),
    inference(definition_unfolding,[],[f124,f12]) ).

fof(f124,axiom,
    member(null_class,singleton(null_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_in_its_singleton) ).

fof(f317,plain,
    spl0_17,
    inference(avatar_split_clause,[],[f51,f315]) ).

fof(f315,plain,
    ( spl0_17
  <=> ! [X1] :
        ( ~ inductive(X1)
        | subclass(omega,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_17])]) ).

fof(f51,axiom,
    ! [X1] :
      ( ~ inductive(X1)
      | subclass(omega,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',omega_is_inductive2) ).

fof(f313,plain,
    spl0_16,
    inference(avatar_split_clause,[],[f47,f311]) ).

fof(f47,axiom,
    ! [X0] :
      ( ~ inductive(X0)
      | member(null_class,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inductive1) ).

fof(f309,plain,
    spl0_15,
    inference(avatar_split_clause,[],[f44,f306]) ).

fof(f306,plain,
    ( spl0_15
  <=> subclass(successor_relation,cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_15])]) ).

fof(f44,axiom,
    subclass(successor_relation,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_relation1) ).

fof(f304,plain,
    spl0_14,
    inference(avatar_split_clause,[],[f18,f301]) ).

fof(f301,plain,
    ( spl0_14
  <=> subclass(element_relation,cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_14])]) ).

fof(f18,axiom,
    subclass(element_relation,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_relation1) ).

fof(f299,plain,
    spl0_13,
    inference(avatar_split_clause,[],[f11,f297]) ).

fof(f297,plain,
    ( spl0_13
  <=> ! [X0,X1] : member(unordered_pair(X0,X1),universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_13])]) ).

fof(f11,axiom,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pairs_in_universal) ).

fof(f295,plain,
    spl0_12,
    inference(avatar_split_clause,[],[f78,f293]) ).

fof(f293,plain,
    ( spl0_12
  <=> ! [X8] :
        ( ~ operation(X8)
        | function(X8) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_12])]) ).

fof(f78,axiom,
    ! [X8] :
      ( ~ operation(X8)
      | function(X8) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',operation1) ).

fof(f291,plain,
    spl0_11,
    inference(avatar_split_clause,[],[f71,f289]) ).

fof(f289,plain,
    ( spl0_11
  <=> ! [X8] :
        ( ~ one_to_one(X8)
        | function(X8) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_11])]) ).

fof(f71,axiom,
    ! [X8] :
      ( ~ one_to_one(X8)
      | function(X8) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_to_one1) ).

fof(f287,plain,
    spl0_10,
    inference(avatar_split_clause,[],[f107,f284]) ).

fof(f284,plain,
    ( spl0_10
  <=> member(null_class,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_10])]) ).

fof(f107,axiom,
    member(null_class,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_is_a_set) ).

fof(f282,plain,
    spl0_9,
    inference(avatar_split_clause,[],[f104,f280]) ).

fof(f280,plain,
    ( spl0_9
  <=> ! [X0] : subclass(null_class,X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_9])]) ).

fof(f104,axiom,
    ! [X0] : subclass(null_class,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_is_subclass) ).

fof(f278,plain,
    spl0_8,
    inference(avatar_split_clause,[],[f103,f276]) ).

fof(f103,axiom,
    ! [X4] : ~ member(X4,null_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_null_class) ).

fof(f274,plain,
    spl0_7,
    inference(avatar_split_clause,[],[f96,f272]) ).

fof(f272,plain,
    ( spl0_7
  <=> ! [X0] : subclass(X0,X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_7])]) ).

fof(f96,axiom,
    ! [X0] : subclass(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_is_reflexive) ).

fof(f270,plain,
    spl0_6,
    inference(avatar_split_clause,[],[f52,f267]) ).

fof(f267,plain,
    ( spl0_6
  <=> member(omega,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_6])]) ).

fof(f52,axiom,
    member(omega,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',omega_in_universal) ).

fof(f265,plain,
    spl0_5,
    inference(avatar_split_clause,[],[f4,f263]) ).

fof(f4,axiom,
    ! [X0] : subclass(X0,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',class_elements_are_sets) ).

fof(f261,plain,
    spl0_4,
    inference(avatar_split_clause,[],[f69,f258]) ).

fof(f258,plain,
    ( spl0_4
  <=> function(choice) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_4])]) ).

fof(f69,axiom,
    function(choice),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',choice1) ).

fof(f256,plain,
    spl0_3,
    inference(avatar_split_clause,[],[f50,f253]) ).

fof(f253,plain,
    ( spl0_3
  <=> inductive(omega) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_3])]) ).

fof(f50,axiom,
    inductive(omega),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',omega_is_inductive1) ).

fof(f251,plain,
    ~ spl0_2,
    inference(avatar_split_clause,[],[f151,f248]) ).

fof(f151,plain,
    ~ subclass(unordered_pair(x,x),y),
    inference(definition_unfolding,[],[f140,f12]) ).

fof(f140,axiom,
    ~ subclass(singleton(x),y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_property_of_singletons2_2) ).

fof(f246,plain,
    spl0_1,
    inference(avatar_split_clause,[],[f139,f243]) ).

fof(f139,axiom,
    member(x,y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_property_of_singletons2_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem    : SET095-7 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.00/0.10  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.11/0.30  % Computer : n010.cluster.edu
% 0.11/0.30  % Model    : x86_64 x86_64
% 0.11/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.30  % Memory   : 8042.1875MB
% 0.11/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.30  % CPULimit   : 300
% 0.11/0.30  % WCLimit    : 300
% 0.11/0.30  % DateTime   : Fri May  3 16:41:38 EDT 2024
% 0.11/0.30  % CPUTime    : 
% 0.11/0.30  % (11866)Running in auto input_syntax mode. Trying TPTP
% 0.16/0.32  % (11869)WARNING: value z3 for option sas not known
% 0.16/0.32  % (11869)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.16/0.32  % (11872)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.16/0.32  % (11867)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.16/0.32  % (11873)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.16/0.32  % (11868)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.16/0.32  % (11871)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.16/0.32  % (11870)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.16/0.34  % (11871)First to succeed.
% 0.16/0.34  % (11871)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-11866"
% 0.16/0.35  % (11871)Refutation found. Thanks to Tanya!
% 0.16/0.35  % SZS status Unsatisfiable for theBenchmark
% 0.16/0.35  % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.35  % (11871)------------------------------
% 0.16/0.35  % (11871)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.16/0.35  % (11871)Termination reason: Refutation
% 0.16/0.35  
% 0.16/0.35  % (11871)Memory used [KB]: 1285
% 0.16/0.35  % (11871)Time elapsed: 0.022 s
% 0.16/0.35  % (11871)Instructions burned: 38 (million)
% 0.16/0.35  % (11866)Success in time 0.039 s
%------------------------------------------------------------------------------