TSTP Solution File: SET103-7 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET103-7 : 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 : n029.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Apr 30 15:05:42 EDT 2024

% Result   : Unsatisfiable 0.12s 0.37s
% Output   : Refutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :  124
% Syntax   : Number of formulae    :  218 (  92 unt;   0 def)
%            Number of atoms       :  405 (  52 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  313 ( 126   ~; 124   |;   0   &)
%                                         (  63 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :   73 (  71 usr;  64 prp; 0-3 aty)
%            Number of functors    :   25 (  25 usr;  10 con; 0-2 aty)
%            Number of variables   :  202 ( 202   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f652,plain,
    $false,
    inference(avatar_sat_refutation,[],[f264,f269,f274,f278,f283,f287,f291,f295,f300,f304,f308,f313,f317,f322,f327,f331,f335,f340,f346,f350,f354,f358,f362,f366,f374,f378,f382,f386,f390,f394,f398,f403,f416,f420,f424,f428,f432,f436,f440,f444,f448,f452,f456,f460,f464,f468,f472,f476,f480,f484,f488,f508,f532,f536,f540,f544,f549,f553,f557,f561,f566,f629,f633,f651]) ).

fof(f651,plain,
    ( spl0_12
    | ~ spl0_61 ),
    inference(avatar_contradiction_clause,[],[f650]) ).

fof(f650,plain,
    ( $false
    | spl0_12
    | ~ spl0_61 ),
    inference(trivial_inequality_removal,[],[f634]) ).

fof(f634,plain,
    ( unordered_pair(unordered_pair(x,x),unordered_pair(x,null_class)) != unordered_pair(unordered_pair(x,x),unordered_pair(x,null_class))
    | spl0_12
    | ~ spl0_61 ),
    inference(superposition,[],[f312,f565]) ).

fof(f565,plain,
    ( null_class = unordered_pair(y,y)
    | ~ spl0_61 ),
    inference(avatar_component_clause,[],[f563]) ).

fof(f563,plain,
    ( spl0_61
  <=> null_class = unordered_pair(y,y) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_61])]) ).

fof(f312,plain,
    ( unordered_pair(unordered_pair(x,x),unordered_pair(x,null_class)) != unordered_pair(unordered_pair(x,x),unordered_pair(x,unordered_pair(y,y)))
    | spl0_12 ),
    inference(avatar_component_clause,[],[f310]) ).

fof(f310,plain,
    ( spl0_12
  <=> unordered_pair(unordered_pair(x,x),unordered_pair(x,null_class)) = unordered_pair(unordered_pair(x,x),unordered_pair(x,unordered_pair(y,y))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_12])]) ).

fof(f633,plain,
    spl0_63,
    inference(avatar_split_clause,[],[f83,f631]) ).

fof(f631,plain,
    ( spl0_63
  <=> ! [X9,X11,X10] :
        ( ~ compatible(X9,X10,X11)
        | domain_of(domain_of(X10)) = domain_of(X9) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_63])]) ).

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(f629,plain,
    spl0_62,
    inference(avatar_split_clause,[],[f25,f627]) ).

fof(f627,plain,
    ( spl0_62
  <=> ! [X4,X0] :
        ( ~ member(X4,universal_class)
        | member(X4,X0)
        | member(X4,complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_62])]) ).

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(f566,plain,
    ( spl0_61
    | spl0_1
    | ~ spl0_51 ),
    inference(avatar_split_clause,[],[f527,f486,f261,f563]) ).

fof(f261,plain,
    ( spl0_1
  <=> member(y,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_1])]) ).

fof(f486,plain,
    ( spl0_51
  <=> ! [X0] :
        ( member(X0,universal_class)
        | unordered_pair(X0,X0) = null_class ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_51])]) ).

fof(f527,plain,
    ( null_class = unordered_pair(y,y)
    | spl0_1
    | ~ spl0_51 ),
    inference(resolution,[],[f487,f263]) ).

fof(f263,plain,
    ( ~ member(y,universal_class)
    | spl0_1 ),
    inference(avatar_component_clause,[],[f261]) ).

fof(f487,plain,
    ( ! [X0] :
        ( member(X0,universal_class)
        | unordered_pair(X0,X0) = null_class )
    | ~ spl0_51 ),
    inference(avatar_component_clause,[],[f486]) ).

fof(f561,plain,
    spl0_60,
    inference(avatar_split_clause,[],[f185,f559]) ).

fof(f559,plain,
    ( spl0_60
  <=> ! [X1] :
        ( ~ member(X1,universal_class)
        | member(member_of(unordered_pair(X1,X1)),universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_60])]) ).

fof(f185,plain,
    ! [X1] :
      ( ~ member(X1,universal_class)
      | member(member_of(unordered_pair(X1,X1)),universal_class) ),
    inference(definition_unfolding,[],[f130,f12]) ).

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

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(f557,plain,
    spl0_59,
    inference(avatar_split_clause,[],[f184,f555]) ).

fof(f555,plain,
    ( spl0_59
  <=> ! [X2] :
        ( ~ member(X2,universal_class)
        | member_of(unordered_pair(X2,X2)) = X2 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_59])]) ).

fof(f184,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(f553,plain,
    spl0_58,
    inference(avatar_split_clause,[],[f169,f551]) ).

fof(f551,plain,
    ( spl0_58
  <=> ! [X0,X1] : member(unordered_pair(X1,X1),unordered_pair(X0,unordered_pair(X1,X1))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_58])]) ).

fof(f169,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(f549,plain,
    spl0_57,
    inference(avatar_split_clause,[],[f165,f546]) ).

fof(f546,plain,
    ( spl0_57
  <=> identity_relation = intersection(domain_of(flip(cross_product(subset_relation,universal_class))),subset_relation) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_57])]) ).

fof(f165,plain,
    identity_relation = intersection(domain_of(flip(cross_product(subset_relation,universal_class))),subset_relation),
    inference(definition_unfolding,[],[f75,f38]) ).

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

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

fof(f544,plain,
    spl0_56,
    inference(avatar_split_clause,[],[f97,f542]) ).

fof(f542,plain,
    ( spl0_56
  <=> ! [X4,X0,X1] :
        ( ~ subclass(X0,X1)
        | ~ subclass(X1,X4)
        | subclass(X0,X4) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_56])]) ).

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(f540,plain,
    spl0_55,
    inference(avatar_split_clause,[],[f67,f538]) ).

fof(f538,plain,
    ( spl0_55
  <=> ! [X0] :
        ( null_class = X0
        | null_class = intersection(X0,regular(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_55])]) ).

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

fof(f536,plain,
    spl0_54,
    inference(avatar_split_clause,[],[f7,f534]) ).

fof(f534,plain,
    ( spl0_54
  <=> ! [X0,X1] :
        ( ~ subclass(X0,X1)
        | ~ subclass(X1,X0)
        | X0 = X1 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_54])]) ).

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

fof(f532,plain,
    spl0_53,
    inference(avatar_split_clause,[],[f1,f530]) ).

fof(f530,plain,
    ( spl0_53
  <=> ! [X2,X0,X1] :
        ( ~ subclass(X0,X1)
        | ~ member(X2,X0)
        | member(X2,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_53])]) ).

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(f508,plain,
    ( spl0_52
    | ~ spl0_23
    | ~ spl0_28 ),
    inference(avatar_split_clause,[],[f405,f384,f360,f506]) ).

fof(f506,plain,
    ( spl0_52
  <=> ! [X0] : null_class = intersection(complement(X0),X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_52])]) ).

fof(f360,plain,
    ( spl0_23
  <=> ! [X0,X1] : ~ member(X1,intersection(complement(X0),X0)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_23])]) ).

fof(f384,plain,
    ( spl0_28
  <=> ! [X0] :
        ( null_class = X0
        | member(regular(X0),X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_28])]) ).

fof(f405,plain,
    ( ! [X0] : null_class = intersection(complement(X0),X0)
    | ~ spl0_23
    | ~ spl0_28 ),
    inference(resolution,[],[f385,f361]) ).

fof(f361,plain,
    ( ! [X0,X1] : ~ member(X1,intersection(complement(X0),X0))
    | ~ spl0_23 ),
    inference(avatar_component_clause,[],[f360]) ).

fof(f385,plain,
    ( ! [X0] :
        ( member(regular(X0),X0)
        | null_class = X0 )
    | ~ spl0_28 ),
    inference(avatar_component_clause,[],[f384]) ).

fof(f488,plain,
    spl0_51,
    inference(avatar_split_clause,[],[f191,f486]) ).

fof(f191,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(f484,plain,
    spl0_50,
    inference(avatar_split_clause,[],[f187,f482]) ).

fof(f482,plain,
    ( spl0_50
  <=> ! [X0,X1] :
        ( X0 = X1
        | ~ member(X1,unordered_pair(X0,X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_50])]) ).

fof(f187,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(f480,plain,
    spl0_49,
    inference(avatar_split_clause,[],[f179,f478]) ).

fof(f478,plain,
    ( spl0_49
  <=> ! [X0,X1] :
        ( ~ member(X0,X1)
        | subclass(unordered_pair(X0,X0),X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_49])]) ).

fof(f179,plain,
    ! [X0,X1] :
      ( ~ member(X0,X1)
      | subclass(unordered_pair(X0,X0),X1) ),
    inference(definition_unfolding,[],[f139,f12]) ).

fof(f139,axiom,
    ! [X0,X1] :
      ( ~ member(X0,X1)
      | subclass(singleton(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_of_singletons2) ).

fof(f476,plain,
    spl0_48,
    inference(avatar_split_clause,[],[f174,f474]) ).

fof(f474,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(f174,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(f472,plain,
    ( spl0_47
    | ~ spl0_16
    | ~ spl0_25 ),
    inference(avatar_split_clause,[],[f399,f372,f329,f470]) ).

fof(f470,plain,
    ( spl0_47
  <=> ! [X0] :
        ( ~ member(null_class,X0)
        | ~ inductive(complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_47])]) ).

fof(f329,plain,
    ( spl0_16
  <=> ! [X0] :
        ( ~ inductive(X0)
        | member(null_class,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_16])]) ).

fof(f372,plain,
    ( spl0_25
  <=> ! [X4,X0] :
        ( ~ member(X4,X0)
        | ~ member(X4,complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_25])]) ).

fof(f399,plain,
    ( ! [X0] :
        ( ~ member(null_class,X0)
        | ~ inductive(complement(X0)) )
    | ~ spl0_16
    | ~ spl0_25 ),
    inference(resolution,[],[f373,f330]) ).

fof(f330,plain,
    ( ! [X0] :
        ( member(null_class,X0)
        | ~ inductive(X0) )
    | ~ spl0_16 ),
    inference(avatar_component_clause,[],[f329]) ).

fof(f373,plain,
    ( ! [X0,X4] :
        ( ~ member(X4,complement(X0))
        | ~ member(X4,X0) )
    | ~ spl0_25 ),
    inference(avatar_component_clause,[],[f372]) ).

fof(f468,plain,
    spl0_46,
    inference(avatar_split_clause,[],[f135,f466]) ).

fof(f466,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(f464,plain,
    spl0_45,
    inference(avatar_split_clause,[],[f132,f462]) ).

fof(f462,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(f460,plain,
    spl0_44,
    inference(avatar_split_clause,[],[f117,f458]) ).

fof(f458,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(f456,plain,
    spl0_43,
    inference(avatar_split_clause,[],[f116,f454]) ).

fof(f454,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(f452,plain,
    spl0_42,
    inference(avatar_split_clause,[],[f106,f450]) ).

fof(f450,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(f448,plain,
    spl0_41,
    inference(avatar_split_clause,[],[f88,f446]) ).

fof(f446,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(f444,plain,
    spl0_40,
    inference(avatar_split_clause,[],[f35,f442]) ).

fof(f442,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(f440,plain,
    spl0_39,
    inference(avatar_split_clause,[],[f32,f438]) ).

fof(f438,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(f436,plain,
    spl0_38,
    inference(avatar_split_clause,[],[f22,f434]) ).

fof(f434,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(f432,plain,
    spl0_37,
    inference(avatar_split_clause,[],[f21,f430]) ).

fof(f430,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(f428,plain,
    spl0_36,
    inference(avatar_split_clause,[],[f10,f426]) ).

fof(f426,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(f424,plain,
    spl0_35,
    inference(avatar_split_clause,[],[f9,f422]) ).

fof(f422,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(f420,plain,
    spl0_34,
    inference(avatar_split_clause,[],[f3,f418]) ).

fof(f418,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(f416,plain,
    spl0_33,
    inference(avatar_split_clause,[],[f2,f414]) ).

fof(f414,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(f403,plain,
    ( spl0_32
    | ~ spl0_16
    | ~ spl0_23 ),
    inference(avatar_split_clause,[],[f367,f360,f329,f401]) ).

fof(f401,plain,
    ( spl0_32
  <=> ! [X0] : ~ inductive(intersection(complement(X0),X0)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_32])]) ).

fof(f367,plain,
    ( ! [X0] : ~ inductive(intersection(complement(X0),X0))
    | ~ spl0_16
    | ~ spl0_23 ),
    inference(resolution,[],[f361,f330]) ).

fof(f398,plain,
    spl0_31,
    inference(avatar_split_clause,[],[f167,f396]) ).

fof(f396,plain,
    ( spl0_31
  <=> ! [X0,X1] : subclass(unordered_pair(X0,X0),unordered_pair(X0,X1)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_31])]) ).

fof(f167,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(f394,plain,
    spl0_30,
    inference(avatar_split_clause,[],[f166,f392]) ).

fof(f392,plain,
    ( spl0_30
  <=> ! [X0,X1] : subclass(unordered_pair(X1,X1),unordered_pair(X0,X1)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_30])]) ).

fof(f166,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(f390,plain,
    spl0_29,
    inference(avatar_split_clause,[],[f108,f388]) ).

fof(f388,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(f386,plain,
    spl0_28,
    inference(avatar_split_clause,[],[f66,f384]) ).

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

fof(f382,plain,
    spl0_27,
    inference(avatar_split_clause,[],[f62,f380]) ).

fof(f380,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(f378,plain,
    spl0_26,
    inference(avatar_split_clause,[],[f57,f376]) ).

fof(f376,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(f374,plain,
    spl0_25,
    inference(avatar_split_clause,[],[f24,f372]) ).

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

fof(f366,plain,
    spl0_24,
    inference(avatar_split_clause,[],[f105,f364]) ).

fof(f364,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(f362,plain,
    spl0_23,
    inference(avatar_split_clause,[],[f102,f360]) ).

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

fof(f358,plain,
    spl0_22,
    inference(avatar_split_clause,[],[f87,f356]) ).

fof(f356,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(f354,plain,
    spl0_21,
    inference(avatar_split_clause,[],[f86,f352]) ).

fof(f352,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(f350,plain,
    spl0_20,
    inference(avatar_split_clause,[],[f82,f348]) ).

fof(f348,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(f346,plain,
    ( ~ spl0_19
    | ~ spl0_7
    | ~ spl0_16 ),
    inference(avatar_split_clause,[],[f341,f329,f289,f343]) ).

fof(f343,plain,
    ( spl0_19
  <=> inductive(null_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_19])]) ).

fof(f289,plain,
    ( spl0_7
  <=> ! [X4] : ~ member(X4,null_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_7])]) ).

fof(f341,plain,
    ( ~ inductive(null_class)
    | ~ spl0_7
    | ~ spl0_16 ),
    inference(resolution,[],[f330,f290]) ).

fof(f290,plain,
    ( ! [X4] : ~ member(X4,null_class)
    | ~ spl0_7 ),
    inference(avatar_component_clause,[],[f289]) ).

fof(f340,plain,
    spl0_18,
    inference(avatar_split_clause,[],[f162,f337]) ).

fof(f337,plain,
    ( spl0_18
  <=> member(null_class,unordered_pair(null_class,null_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_18])]) ).

fof(f162,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(f335,plain,
    spl0_17,
    inference(avatar_split_clause,[],[f51,f333]) ).

fof(f333,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(f331,plain,
    spl0_16,
    inference(avatar_split_clause,[],[f47,f329]) ).

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

fof(f327,plain,
    spl0_15,
    inference(avatar_split_clause,[],[f44,f324]) ).

fof(f324,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(f322,plain,
    spl0_14,
    inference(avatar_split_clause,[],[f18,f319]) ).

fof(f319,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(f317,plain,
    spl0_13,
    inference(avatar_split_clause,[],[f11,f315]) ).

fof(f315,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(f313,plain,
    ~ spl0_12,
    inference(avatar_split_clause,[],[f161,f310]) ).

fof(f161,plain,
    unordered_pair(unordered_pair(x,x),unordered_pair(x,null_class)) != unordered_pair(unordered_pair(x,x),unordered_pair(x,unordered_pair(y,y))),
    inference(definition_unfolding,[],[f148,f12,f154]) ).

fof(f154,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f13,f12,f12]) ).

fof(f13,axiom,
    ! [X0,X1] : unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))) = ordered_pair(X0,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair) ).

fof(f148,axiom,
    unordered_pair(singleton(x),unordered_pair(x,null_class)) != ordered_pair(x,y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_property_1_of_ordered_pair_1) ).

fof(f308,plain,
    spl0_11,
    inference(avatar_split_clause,[],[f78,f306]) ).

fof(f306,plain,
    ( spl0_11
  <=> ! [X8] :
        ( ~ operation(X8)
        | function(X8) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_11])]) ).

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

fof(f304,plain,
    spl0_10,
    inference(avatar_split_clause,[],[f71,f302]) ).

fof(f302,plain,
    ( spl0_10
  <=> ! [X8] :
        ( ~ one_to_one(X8)
        | function(X8) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_10])]) ).

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

fof(f300,plain,
    spl0_9,
    inference(avatar_split_clause,[],[f107,f297]) ).

fof(f297,plain,
    ( spl0_9
  <=> member(null_class,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_9])]) ).

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

fof(f295,plain,
    spl0_8,
    inference(avatar_split_clause,[],[f104,f293]) ).

fof(f293,plain,
    ( spl0_8
  <=> ! [X0] : subclass(null_class,X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_8])]) ).

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

fof(f291,plain,
    spl0_7,
    inference(avatar_split_clause,[],[f103,f289]) ).

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

fof(f287,plain,
    spl0_6,
    inference(avatar_split_clause,[],[f96,f285]) ).

fof(f285,plain,
    ( spl0_6
  <=> ! [X0] : subclass(X0,X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_6])]) ).

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

fof(f283,plain,
    spl0_5,
    inference(avatar_split_clause,[],[f52,f280]) ).

fof(f280,plain,
    ( spl0_5
  <=> member(omega,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_5])]) ).

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

fof(f278,plain,
    spl0_4,
    inference(avatar_split_clause,[],[f4,f276]) ).

fof(f276,plain,
    ( spl0_4
  <=> ! [X0] : subclass(X0,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_4])]) ).

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

fof(f274,plain,
    spl0_3,
    inference(avatar_split_clause,[],[f69,f271]) ).

fof(f271,plain,
    ( spl0_3
  <=> function(choice) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_3])]) ).

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

fof(f269,plain,
    spl0_2,
    inference(avatar_split_clause,[],[f50,f266]) ).

fof(f266,plain,
    ( spl0_2
  <=> inductive(omega) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_2])]) ).

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

fof(f264,plain,
    ~ spl0_1,
    inference(avatar_split_clause,[],[f149,f261]) ).

fof(f149,axiom,
    ~ member(y,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_property_1_of_ordered_pair_2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem    : SET103-7 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.07/0.13  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.12/0.33  % Computer : n029.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Tue Apr 30 02:02:35 EDT 2024
% 0.12/0.33  % CPUTime    : 
% 0.12/0.34  % (24233)Running in auto input_syntax mode. Trying TPTP
% 0.12/0.36  % (24236)WARNING: value z3 for option sas not known
% 0.12/0.36  % (24240)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)
% 0.12/0.36  % (24238)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)
% 0.12/0.36  % (24234)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.12/0.36  % (24237)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.12/0.36  % (24235)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.12/0.36  % (24239)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)
% 0.12/0.36  % (24236)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)
% 0.12/0.37  % (24238)First to succeed.
% 0.12/0.37  % (24238)Refutation found. Thanks to Tanya!
% 0.12/0.37  % SZS status Unsatisfiable for theBenchmark
% 0.12/0.37  % SZS output start Proof for theBenchmark
% See solution above
% 0.12/0.38  % (24238)------------------------------
% 0.12/0.38  % (24238)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.12/0.38  % (24238)Termination reason: Refutation
% 0.12/0.38  
% 0.12/0.38  % (24238)Memory used [KB]: 1246
% 0.12/0.38  % (24238)Time elapsed: 0.018 s
% 0.12/0.38  % (24238)Instructions burned: 32 (million)
% 0.12/0.38  % (24238)------------------------------
% 0.12/0.38  % (24238)------------------------------
% 0.12/0.38  % (24233)Success in time 0.036 s
%------------------------------------------------------------------------------