TSTP Solution File: SET083+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET083+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n027.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 15:05:31 EDT 2024

% Result   : Theorem 0.22s 0.42s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :  142
% Syntax   : Number of formulae    :  473 ( 133 unt;   0 def)
%            Number of atoms       : 1257 ( 156 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives : 1249 ( 465   ~; 470   |; 166   &)
%                                         ( 124 <=>;  24  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :   14 (   2 avg)
%            Number of predicates  :   98 (  96 usr;  92 prp; 0-2 aty)
%            Number of functors    :   34 (  34 usr;   9 con; 0-3 aty)
%            Number of variables   :  777 ( 746   !;  31   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f914,plain,
    $false,
    inference(avatar_sat_refutation,[],[f274,f279,f284,f289,f294,f298,f302,f307,f311,f316,f321,f325,f329,f333,f339,f343,f347,f351,f355,f359,f364,f368,f372,f376,f380,f384,f388,f392,f411,f415,f419,f423,f427,f431,f435,f439,f443,f447,f451,f455,f479,f487,f491,f495,f499,f503,f532,f547,f551,f555,f586,f590,f597,f601,f625,f630,f634,f638,f642,f646,f650,f654,f673,f677,f681,f685,f689,f709,f713,f717,f721,f736,f740,f744,f778,f782,f797,f801,f828,f838,f844,f855,f859,f870,f874,f878,f888,f892,f911,f913]) ).

fof(f913,plain,
    ( spl8_2
    | ~ spl8_54
    | ~ spl8_86 ),
    inference(avatar_split_clause,[],[f905,f867,f595,f276]) ).

fof(f276,plain,
    ( spl8_2
  <=> sK0 = sK1 ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_2])]) ).

fof(f595,plain,
    ( spl8_54
  <=> ! [X2,X0,X1] :
        ( X0 = X2
        | X0 = X1
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_54])]) ).

fof(f867,plain,
    ( spl8_86
  <=> member(sK0,unordered_pair(sK1,sK1)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_86])]) ).

fof(f905,plain,
    ( sK0 = sK1
    | ~ spl8_54
    | ~ spl8_86 ),
    inference(duplicate_literal_removal,[],[f901]) ).

fof(f901,plain,
    ( sK0 = sK1
    | sK0 = sK1
    | ~ spl8_54
    | ~ spl8_86 ),
    inference(resolution,[],[f869,f596]) ).

fof(f596,plain,
    ( ! [X2,X0,X1] :
        ( ~ member(X0,unordered_pair(X1,X2))
        | X0 = X1
        | X0 = X2 )
    | ~ spl8_54 ),
    inference(avatar_component_clause,[],[f595]) ).

fof(f869,plain,
    ( member(sK0,unordered_pair(sK1,sK1))
    | ~ spl8_86 ),
    inference(avatar_component_clause,[],[f867]) ).

fof(f911,plain,
    ( spl8_91
    | ~ spl8_3
    | ~ spl8_54 ),
    inference(avatar_split_clause,[],[f620,f595,f281,f909]) ).

fof(f909,plain,
    ( spl8_91
  <=> ! [X0] :
        ( ~ member(X0,unordered_pair(sK1,sK1))
        | sK0 = X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_91])]) ).

fof(f281,plain,
    ( spl8_3
  <=> unordered_pair(sK0,sK0) = unordered_pair(sK1,sK1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_3])]) ).

fof(f620,plain,
    ( ! [X0] :
        ( ~ member(X0,unordered_pair(sK1,sK1))
        | sK0 = X0 )
    | ~ spl8_3
    | ~ spl8_54 ),
    inference(duplicate_literal_removal,[],[f619]) ).

fof(f619,plain,
    ( ! [X0] :
        ( ~ member(X0,unordered_pair(sK1,sK1))
        | sK0 = X0
        | sK0 = X0 )
    | ~ spl8_3
    | ~ spl8_54 ),
    inference(superposition,[],[f596,f283]) ).

fof(f283,plain,
    ( unordered_pair(sK0,sK0) = unordered_pair(sK1,sK1)
    | ~ spl8_3 ),
    inference(avatar_component_clause,[],[f281]) ).

fof(f892,plain,
    spl8_90,
    inference(avatar_split_clause,[],[f260,f890]) ).

fof(f890,plain,
    ( spl8_90
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),flip(X3))
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(X2,X2))),X3)
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),cross_product(cross_product(universal_class,universal_class),universal_class)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_90])]) ).

fof(f260,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),flip(X3))
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(X2,X2))),X3)
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    inference(definition_unfolding,[],[f220,f229,f229,f229,f229,f229,f229]) ).

fof(f229,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f167,f144,f144]) ).

fof(f144,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton_set_defn) ).

fof(f167,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    inference(cnf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ordered_pair_defn) ).

fof(f220,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3))
      | ~ member(ordered_pair(ordered_pair(X1,X0),X2),X3)
      | ~ member(ordered_pair(ordered_pair(X0,X1),X2),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    inference(cnf_transformation,[],[f131]) ).

fof(f131,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3))
        | ~ member(ordered_pair(ordered_pair(X1,X0),X2),X3)
        | ~ member(ordered_pair(ordered_pair(X0,X1),X2),cross_product(cross_product(universal_class,universal_class),universal_class)) )
      & ( ( member(ordered_pair(ordered_pair(X1,X0),X2),X3)
          & member(ordered_pair(ordered_pair(X0,X1),X2),cross_product(cross_product(universal_class,universal_class),universal_class)) )
        | ~ member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3)) ) ),
    inference(flattening,[],[f130]) ).

fof(f130,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3))
        | ~ member(ordered_pair(ordered_pair(X1,X0),X2),X3)
        | ~ member(ordered_pair(ordered_pair(X0,X1),X2),cross_product(cross_product(universal_class,universal_class),universal_class)) )
      & ( ( member(ordered_pair(ordered_pair(X1,X0),X2),X3)
          & member(ordered_pair(ordered_pair(X0,X1),X2),cross_product(cross_product(universal_class,universal_class),universal_class)) )
        | ~ member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3)) ) ),
    inference(nnf_transformation,[],[f68]) ).

fof(f68,plain,
    ! [X0,X1,X2,X3] :
      ( member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3))
    <=> ( member(ordered_pair(ordered_pair(X1,X0),X2),X3)
        & member(ordered_pair(ordered_pair(X0,X1),X2),cross_product(cross_product(universal_class,universal_class),universal_class)) ) ),
    inference(rectify,[],[f20]) ).

fof(f20,axiom,
    ! [X2,X3,X6,X0] :
      ( member(ordered_pair(ordered_pair(X2,X3),X6),flip(X0))
    <=> ( member(ordered_pair(ordered_pair(X3,X2),X6),X0)
        & member(ordered_pair(ordered_pair(X2,X3),X6),cross_product(cross_product(universal_class,universal_class),universal_class)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',flip_defn) ).

fof(f888,plain,
    spl8_89,
    inference(avatar_split_clause,[],[f257,f886]) ).

fof(f886,plain,
    ( spl8_89
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),rotate(X0))
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3)))),unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(X1,X1))),X0)
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),cross_product(cross_product(universal_class,universal_class),universal_class)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_89])]) ).

fof(f257,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),rotate(X0))
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3)))),unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(X1,X1))),X0)
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    inference(definition_unfolding,[],[f217,f229,f229,f229,f229,f229,f229]) ).

fof(f217,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0))
      | ~ member(ordered_pair(ordered_pair(X2,X3),X1),X0)
      | ~ member(ordered_pair(ordered_pair(X1,X2),X3),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    inference(cnf_transformation,[],[f129]) ).

fof(f129,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0))
        | ~ member(ordered_pair(ordered_pair(X2,X3),X1),X0)
        | ~ member(ordered_pair(ordered_pair(X1,X2),X3),cross_product(cross_product(universal_class,universal_class),universal_class)) )
      & ( ( member(ordered_pair(ordered_pair(X2,X3),X1),X0)
          & member(ordered_pair(ordered_pair(X1,X2),X3),cross_product(cross_product(universal_class,universal_class),universal_class)) )
        | ~ member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0)) ) ),
    inference(flattening,[],[f128]) ).

fof(f128,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0))
        | ~ member(ordered_pair(ordered_pair(X2,X3),X1),X0)
        | ~ member(ordered_pair(ordered_pair(X1,X2),X3),cross_product(cross_product(universal_class,universal_class),universal_class)) )
      & ( ( member(ordered_pair(ordered_pair(X2,X3),X1),X0)
          & member(ordered_pair(ordered_pair(X1,X2),X3),cross_product(cross_product(universal_class,universal_class),universal_class)) )
        | ~ member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0)) ) ),
    inference(nnf_transformation,[],[f67]) ).

fof(f67,plain,
    ! [X0,X1,X2,X3] :
      ( member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0))
    <=> ( member(ordered_pair(ordered_pair(X2,X3),X1),X0)
        & member(ordered_pair(ordered_pair(X1,X2),X3),cross_product(cross_product(universal_class,universal_class),universal_class)) ) ),
    inference(rectify,[],[f18]) ).

fof(f18,axiom,
    ! [X0,X2,X3,X6] :
      ( member(ordered_pair(ordered_pair(X2,X3),X6),rotate(X0))
    <=> ( member(ordered_pair(ordered_pair(X3,X6),X2),X0)
        & member(ordered_pair(ordered_pair(X2,X3),X6),cross_product(cross_product(universal_class,universal_class),universal_class)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rotate_defn) ).

fof(f878,plain,
    spl8_88,
    inference(avatar_split_clause,[],[f262,f876]) ).

fof(f876,plain,
    ( spl8_88
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),cross_product(cross_product(universal_class,universal_class),universal_class))
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),flip(X3)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_88])]) ).

fof(f262,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),cross_product(cross_product(universal_class,universal_class),universal_class))
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),flip(X3)) ),
    inference(definition_unfolding,[],[f218,f229,f229,f229,f229]) ).

fof(f218,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(ordered_pair(X0,X1),X2),cross_product(cross_product(universal_class,universal_class),universal_class))
      | ~ member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3)) ),
    inference(cnf_transformation,[],[f131]) ).

fof(f874,plain,
    spl8_87,
    inference(avatar_split_clause,[],[f259,f872]) ).

fof(f872,plain,
    ( spl8_87
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),cross_product(cross_product(universal_class,universal_class),universal_class))
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),rotate(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_87])]) ).

fof(f259,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),cross_product(cross_product(universal_class,universal_class),universal_class))
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),rotate(X0)) ),
    inference(definition_unfolding,[],[f215,f229,f229,f229,f229]) ).

fof(f215,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(ordered_pair(X1,X2),X3),cross_product(cross_product(universal_class,universal_class),universal_class))
      | ~ member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0)) ),
    inference(cnf_transformation,[],[f129]) ).

fof(f870,plain,
    ( ~ spl8_1
    | spl8_86
    | ~ spl8_3
    | ~ spl8_40 ),
    inference(avatar_split_clause,[],[f481,f449,f281,f867,f271]) ).

fof(f271,plain,
    ( spl8_1
  <=> member(sK0,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_1])]) ).

fof(f449,plain,
    ( spl8_40
  <=> ! [X2,X1] :
        ( member(X2,unordered_pair(X1,X2))
        | ~ member(X2,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_40])]) ).

fof(f481,plain,
    ( member(sK0,unordered_pair(sK1,sK1))
    | ~ member(sK0,universal_class)
    | ~ spl8_3
    | ~ spl8_40 ),
    inference(superposition,[],[f450,f283]) ).

fof(f450,plain,
    ( ! [X2,X1] :
        ( member(X2,unordered_pair(X1,X2))
        | ~ member(X2,universal_class) )
    | ~ spl8_40 ),
    inference(avatar_component_clause,[],[f449]) ).

fof(f859,plain,
    spl8_85,
    inference(avatar_split_clause,[],[f261,f857]) ).

fof(f857,plain,
    ( spl8_85
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(X2,X2))),X3)
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),flip(X3)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_85])]) ).

fof(f261,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X0,X0))),unordered_pair(X2,X2))),X3)
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))),unordered_pair(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),unordered_pair(X2,X2))),flip(X3)) ),
    inference(definition_unfolding,[],[f219,f229,f229,f229,f229]) ).

fof(f219,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(ordered_pair(X1,X0),X2),X3)
      | ~ member(ordered_pair(ordered_pair(X0,X1),X2),flip(X3)) ),
    inference(cnf_transformation,[],[f131]) ).

fof(f855,plain,
    spl8_84,
    inference(avatar_split_clause,[],[f258,f853]) ).

fof(f853,plain,
    ( spl8_84
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3)))),unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(X1,X1))),X0)
        | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),rotate(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_84])]) ).

fof(f258,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3)))),unordered_pair(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),unordered_pair(X1,X1))),X0)
      | ~ member(unordered_pair(unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2)))),unordered_pair(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X2,X2))),unordered_pair(X3,X3))),rotate(X0)) ),
    inference(definition_unfolding,[],[f216,f229,f229,f229,f229]) ).

fof(f216,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(ordered_pair(X2,X3),X1),X0)
      | ~ member(ordered_pair(ordered_pair(X1,X2),X3),rotate(X0)) ),
    inference(cnf_transformation,[],[f129]) ).

fof(f844,plain,
    spl8_83,
    inference(avatar_split_clause,[],[f251,f842]) ).

fof(f842,plain,
    ( spl8_83
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),compose(X1,X0))
        | ~ member(X3,domain_of(domain_of(flip(cross_product(intersection(X1,cross_product(domain_of(domain_of(flip(cross_product(intersection(X0,cross_product(unordered_pair(X2,X2),universal_class)),universal_class)))),universal_class)),universal_class)))))
        | ~ member(X2,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_83])]) ).

fof(f251,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),compose(X1,X0))
      | ~ member(X3,domain_of(domain_of(flip(cross_product(intersection(X1,cross_product(domain_of(domain_of(flip(cross_product(intersection(X0,cross_product(unordered_pair(X2,X2),universal_class)),universal_class)))),universal_class)),universal_class)))))
      | ~ member(X2,universal_class) ),
    inference(definition_unfolding,[],[f211,f229,f228,f228,f144]) ).

fof(f228,plain,
    ! [X0,X1] : image(X1,X0) = domain_of(domain_of(flip(cross_product(intersection(X1,cross_product(X0,universal_class)),universal_class)))),
    inference(definition_unfolding,[],[f166,f227,f197]) ).

fof(f197,plain,
    ! [X2,X0,X1] : restrict(X1,X0,X2) = intersection(X1,cross_product(X0,X2)),
    inference(cnf_transformation,[],[f60]) ).

fof(f60,plain,
    ! [X0,X1,X2] : restrict(X1,X0,X2) = intersection(X1,cross_product(X0,X2)),
    inference(rectify,[],[f15]) ).

fof(f15,axiom,
    ! [X0,X5,X1] : restrict(X5,X0,X1) = intersection(X5,cross_product(X0,X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',restrict_defn) ).

fof(f227,plain,
    ! [X0] : range_of(X0) = domain_of(domain_of(flip(cross_product(X0,universal_class)))),
    inference(definition_unfolding,[],[f143,f146]) ).

fof(f146,plain,
    ! [X0] : inverse(X0) = domain_of(flip(cross_product(X0,universal_class))),
    inference(cnf_transformation,[],[f47]) ).

fof(f47,plain,
    ! [X0] : inverse(X0) = domain_of(flip(cross_product(X0,universal_class))),
    inference(rectify,[],[f26]) ).

fof(f26,axiom,
    ! [X1] : inverse(X1) = domain_of(flip(cross_product(X1,universal_class))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',inverse_defn) ).

fof(f143,plain,
    ! [X0] : range_of(X0) = domain_of(inverse(X0)),
    inference(cnf_transformation,[],[f46]) ).

fof(f46,plain,
    ! [X0] : range_of(X0) = domain_of(inverse(X0)),
    inference(rectify,[],[f27]) ).

fof(f27,axiom,
    ! [X4] : range_of(X4) = domain_of(inverse(X4)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',range_of_defn) ).

fof(f166,plain,
    ! [X0,X1] : image(X1,X0) = range_of(restrict(X1,X0,universal_class)),
    inference(cnf_transformation,[],[f54]) ).

fof(f54,plain,
    ! [X0,X1] : image(X1,X0) = range_of(restrict(X1,X0,universal_class)),
    inference(rectify,[],[f28]) ).

fof(f28,axiom,
    ! [X0,X5] : image(X5,X0) = range_of(restrict(X5,X0,universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',image_defn) ).

fof(f211,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(X2,X3),compose(X1,X0))
      | ~ member(X3,image(X1,image(X0,singleton(X2))))
      | ~ member(X2,universal_class) ),
    inference(cnf_transformation,[],[f125]) ).

fof(f125,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(X2,X3),compose(X1,X0))
        | ~ member(X3,image(X1,image(X0,singleton(X2))))
        | ~ member(X2,universal_class) )
      & ( ( member(X3,image(X1,image(X0,singleton(X2))))
          & member(X2,universal_class) )
        | ~ member(ordered_pair(X2,X3),compose(X1,X0)) ) ),
    inference(flattening,[],[f124]) ).

fof(f124,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(X2,X3),compose(X1,X0))
        | ~ member(X3,image(X1,image(X0,singleton(X2))))
        | ~ member(X2,universal_class) )
      & ( ( member(X3,image(X1,image(X0,singleton(X2))))
          & member(X2,universal_class) )
        | ~ member(ordered_pair(X2,X3),compose(X1,X0)) ) ),
    inference(nnf_transformation,[],[f65]) ).

fof(f65,plain,
    ! [X0,X1,X2,X3] :
      ( member(ordered_pair(X2,X3),compose(X1,X0))
    <=> ( member(X3,image(X1,image(X0,singleton(X2))))
        & member(X2,universal_class) ) ),
    inference(rectify,[],[f36]) ).

fof(f36,axiom,
    ! [X5,X7,X2,X3] :
      ( member(ordered_pair(X2,X3),compose(X7,X5))
    <=> ( member(X3,image(X7,image(X5,singleton(X2))))
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',compose_defn2) ).

fof(f838,plain,
    spl8_82,
    inference(avatar_split_clause,[],[f252,f836]) ).

fof(f836,plain,
    ( spl8_82
  <=> ! [X0,X3,X2,X1] :
        ( member(X3,domain_of(domain_of(flip(cross_product(intersection(X1,cross_product(domain_of(domain_of(flip(cross_product(intersection(X0,cross_product(unordered_pair(X2,X2),universal_class)),universal_class)))),universal_class)),universal_class)))))
        | ~ member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),compose(X1,X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_82])]) ).

fof(f252,plain,
    ! [X2,X3,X0,X1] :
      ( member(X3,domain_of(domain_of(flip(cross_product(intersection(X1,cross_product(domain_of(domain_of(flip(cross_product(intersection(X0,cross_product(unordered_pair(X2,X2),universal_class)),universal_class)))),universal_class)),universal_class)))))
      | ~ member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),compose(X1,X0)) ),
    inference(definition_unfolding,[],[f210,f228,f228,f144,f229]) ).

fof(f210,plain,
    ! [X2,X3,X0,X1] :
      ( member(X3,image(X1,image(X0,singleton(X2))))
      | ~ member(ordered_pair(X2,X3),compose(X1,X0)) ),
    inference(cnf_transformation,[],[f125]) ).

fof(f828,plain,
    spl8_81,
    inference(avatar_split_clause,[],[f267,f826]) ).

fof(f826,plain,
    ( spl8_81
  <=> ! [X0] :
        ( member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(union(X0,unordered_pair(X0,X0)),union(X0,unordered_pair(X0,X0))))),successor_relation)
        | ~ member(union(X0,unordered_pair(X0,X0)),universal_class)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_81])]) ).

fof(f267,plain,
    ! [X0] :
      ( member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(union(X0,unordered_pair(X0,X0)),union(X0,unordered_pair(X0,X0))))),successor_relation)
      | ~ member(union(X0,unordered_pair(X0,X0)),universal_class)
      | ~ member(X0,universal_class) ),
    inference(equality_resolution,[],[f246]) ).

fof(f246,plain,
    ! [X0,X1] :
      ( member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),successor_relation)
      | union(X0,unordered_pair(X0,X0)) != X1
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(definition_unfolding,[],[f196,f229,f226]) ).

fof(f226,plain,
    ! [X0] : successor(X0) = union(X0,unordered_pair(X0,X0)),
    inference(definition_unfolding,[],[f145,f144]) ).

fof(f145,plain,
    ! [X0] : successor(X0) = union(X0,singleton(X0)),
    inference(cnf_transformation,[],[f23]) ).

fof(f23,axiom,
    ! [X0] : successor(X0) = union(X0,singleton(X0)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',successor_defn) ).

fof(f196,plain,
    ! [X0,X1] :
      ( member(ordered_pair(X0,X1),successor_relation)
      | successor(X0) != X1
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f117]) ).

fof(f117,plain,
    ! [X0,X1] :
      ( ( member(ordered_pair(X0,X1),successor_relation)
        | successor(X0) != X1
        | ~ member(X1,universal_class)
        | ~ member(X0,universal_class) )
      & ( ( successor(X0) = X1
          & member(X1,universal_class)
          & member(X0,universal_class) )
        | ~ member(ordered_pair(X0,X1),successor_relation) ) ),
    inference(flattening,[],[f116]) ).

fof(f116,plain,
    ! [X0,X1] :
      ( ( member(ordered_pair(X0,X1),successor_relation)
        | successor(X0) != X1
        | ~ member(X1,universal_class)
        | ~ member(X0,universal_class) )
      & ( ( successor(X0) = X1
          & member(X1,universal_class)
          & member(X0,universal_class) )
        | ~ member(ordered_pair(X0,X1),successor_relation) ) ),
    inference(nnf_transformation,[],[f25]) ).

fof(f25,axiom,
    ! [X0,X1] :
      ( member(ordered_pair(X0,X1),successor_relation)
    <=> ( successor(X0) = X1
        & member(X1,universal_class)
        & member(X0,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',successor_relation_defn2) ).

fof(f801,plain,
    spl8_80,
    inference(avatar_split_clause,[],[f263,f799]) ).

fof(f799,plain,
    ( spl8_80
  <=> ! [X1] :
        ( member(sum_class(domain_of(domain_of(flip(cross_product(intersection(sK6,cross_product(unordered_pair(X1,X1),universal_class)),universal_class))))),X1)
        | null_class = X1
        | ~ member(X1,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_80])]) ).

fof(f263,plain,
    ! [X1] :
      ( member(sum_class(domain_of(domain_of(flip(cross_product(intersection(sK6,cross_product(unordered_pair(X1,X1),universal_class)),universal_class))))),X1)
      | null_class = X1
      | ~ member(X1,universal_class) ),
    inference(definition_unfolding,[],[f222,f230]) ).

fof(f230,plain,
    ! [X0,X1] : apply(X0,X1) = sum_class(domain_of(domain_of(flip(cross_product(intersection(X0,cross_product(unordered_pair(X1,X1),universal_class)),universal_class))))),
    inference(definition_unfolding,[],[f165,f228,f144]) ).

fof(f165,plain,
    ! [X0,X1] : apply(X0,X1) = sum_class(image(X0,singleton(X1))),
    inference(cnf_transformation,[],[f53]) ).

fof(f53,plain,
    ! [X0,X1] : apply(X0,X1) = sum_class(image(X0,singleton(X1))),
    inference(rectify,[],[f42]) ).

fof(f42,axiom,
    ! [X8,X1] : apply(X8,X1) = sum_class(image(X8,singleton(X1))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',apply_defn) ).

fof(f222,plain,
    ! [X1] :
      ( member(apply(sK6,X1),X1)
      | null_class = X1
      | ~ member(X1,universal_class) ),
    inference(cnf_transformation,[],[f133]) ).

fof(f133,plain,
    ( ! [X1] :
        ( member(apply(sK6,X1),X1)
        | null_class = X1
        | ~ member(X1,universal_class) )
    & function(sK6) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f84,f132]) ).

fof(f132,plain,
    ( ? [X0] :
        ( ! [X1] :
            ( member(apply(X0,X1),X1)
            | null_class = X1
            | ~ member(X1,universal_class) )
        & function(X0) )
   => ( ! [X1] :
          ( member(apply(sK6,X1),X1)
          | null_class = X1
          | ~ member(X1,universal_class) )
      & function(sK6) ) ),
    introduced(choice_axiom,[]) ).

fof(f84,plain,
    ? [X0] :
      ( ! [X1] :
          ( member(apply(X0,X1),X1)
          | null_class = X1
          | ~ member(X1,universal_class) )
      & function(X0) ),
    inference(flattening,[],[f83]) ).

fof(f83,plain,
    ? [X0] :
      ( ! [X1] :
          ( member(apply(X0,X1),X1)
          | null_class = X1
          | ~ member(X1,universal_class) )
      & function(X0) ),
    inference(ennf_transformation,[],[f69]) ).

fof(f69,plain,
    ? [X0] :
      ( ! [X1] :
          ( member(X1,universal_class)
         => ( member(apply(X0,X1),X1)
            | null_class = X1 ) )
      & function(X0) ),
    inference(rectify,[],[f43]) ).

fof(f43,axiom,
    ? [X8] :
      ( ! [X1] :
          ( member(X1,universal_class)
         => ( member(apply(X8,X1),X1)
            | null_class = X1 ) )
      & function(X8) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',choice) ).

fof(f797,plain,
    spl8_79,
    inference(avatar_split_clause,[],[f250,f795]) ).

fof(f795,plain,
    ( spl8_79
  <=> ! [X2,X0,X1] :
        ( unordered_pair(unordered_pair(first(X2),first(X2)),unordered_pair(first(X2),unordered_pair(second(X2),second(X2)))) = X2
        | ~ member(X2,cross_product(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_79])]) ).

fof(f250,plain,
    ! [X2,X0,X1] :
      ( unordered_pair(unordered_pair(first(X2),first(X2)),unordered_pair(first(X2),unordered_pair(second(X2),second(X2)))) = X2
      | ~ member(X2,cross_product(X0,X1)) ),
    inference(definition_unfolding,[],[f198,f229]) ).

fof(f198,plain,
    ! [X2,X0,X1] :
      ( ordered_pair(first(X2),second(X2)) = X2
      | ~ member(X2,cross_product(X0,X1)) ),
    inference(cnf_transformation,[],[f82]) ).

fof(f82,plain,
    ! [X0,X1,X2] :
      ( ordered_pair(first(X2),second(X2)) = X2
      | ~ member(X2,cross_product(X0,X1)) ),
    inference(ennf_transformation,[],[f61]) ).

fof(f61,plain,
    ! [X0,X1,X2] :
      ( member(X2,cross_product(X0,X1))
     => ordered_pair(first(X2),second(X2)) = X2 ),
    inference(rectify,[],[f10]) ).

fof(f10,axiom,
    ! [X0,X1,X4] :
      ( member(X4,cross_product(X0,X1))
     => ordered_pair(first(X4),second(X4)) = X4 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cross_product) ).

fof(f782,plain,
    spl8_78,
    inference(avatar_split_clause,[],[f254,f780]) ).

fof(f780,plain,
    ( spl8_78
  <=> ! [X0,X3,X2,X1] :
        ( member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),cross_product(X2,X3))
        | ~ member(X1,X3)
        | ~ member(X0,X2) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_78])]) ).

fof(f254,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),cross_product(X2,X3))
      | ~ member(X1,X3)
      | ~ member(X0,X2) ),
    inference(definition_unfolding,[],[f214,f229]) ).

fof(f214,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(X0,X1),cross_product(X2,X3))
      | ~ member(X1,X3)
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[],[f127]) ).

fof(f127,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(X0,X1),cross_product(X2,X3))
        | ~ member(X1,X3)
        | ~ member(X0,X2) )
      & ( ( member(X1,X3)
          & member(X0,X2) )
        | ~ member(ordered_pair(X0,X1),cross_product(X2,X3)) ) ),
    inference(flattening,[],[f126]) ).

fof(f126,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(ordered_pair(X0,X1),cross_product(X2,X3))
        | ~ member(X1,X3)
        | ~ member(X0,X2) )
      & ( ( member(X1,X3)
          & member(X0,X2) )
        | ~ member(ordered_pair(X0,X1),cross_product(X2,X3)) ) ),
    inference(nnf_transformation,[],[f66]) ).

fof(f66,plain,
    ! [X0,X1,X2,X3] :
      ( member(ordered_pair(X0,X1),cross_product(X2,X3))
    <=> ( member(X1,X3)
        & member(X0,X2) ) ),
    inference(rectify,[],[f8]) ).

fof(f8,axiom,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(X2,X3),cross_product(X0,X1))
    <=> ( member(X3,X1)
        & member(X2,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cross_product_defn) ).

fof(f778,plain,
    spl8_77,
    inference(avatar_split_clause,[],[f237,f776]) ).

fof(f776,plain,
    ( spl8_77
  <=> ! [X0] :
        ( unordered_pair(unordered_pair(sK3(X0),sK3(X0)),unordered_pair(sK3(X0),unordered_pair(sK3(X0),sK3(X0)))) = X0
        | ~ member(X0,identity_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_77])]) ).

fof(f237,plain,
    ! [X0] :
      ( unordered_pair(unordered_pair(sK3(X0),sK3(X0)),unordered_pair(sK3(X0),unordered_pair(sK3(X0),sK3(X0)))) = X0
      | ~ member(X0,identity_relation) ),
    inference(definition_unfolding,[],[f161,f229]) ).

fof(f161,plain,
    ! [X0] :
      ( ordered_pair(sK3(X0),sK3(X0)) = X0
      | ~ member(X0,identity_relation) ),
    inference(cnf_transformation,[],[f97]) ).

fof(f97,plain,
    ! [X0] :
      ( ( member(X0,identity_relation)
        | ! [X1] :
            ( ordered_pair(X1,X1) != X0
            | ~ member(X1,universal_class) ) )
      & ( ( ordered_pair(sK3(X0),sK3(X0)) = X0
          & member(sK3(X0),universal_class) )
        | ~ member(X0,identity_relation) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f95,f96]) ).

fof(f96,plain,
    ! [X0] :
      ( ? [X2] :
          ( ordered_pair(X2,X2) = X0
          & member(X2,universal_class) )
     => ( ordered_pair(sK3(X0),sK3(X0)) = X0
        & member(sK3(X0),universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f95,plain,
    ! [X0] :
      ( ( member(X0,identity_relation)
        | ! [X1] :
            ( ordered_pair(X1,X1) != X0
            | ~ member(X1,universal_class) ) )
      & ( ? [X2] :
            ( ordered_pair(X2,X2) = X0
            & member(X2,universal_class) )
        | ~ member(X0,identity_relation) ) ),
    inference(rectify,[],[f94]) ).

fof(f94,plain,
    ! [X0] :
      ( ( member(X0,identity_relation)
        | ! [X1] :
            ( ordered_pair(X1,X1) != X0
            | ~ member(X1,universal_class) ) )
      & ( ? [X1] :
            ( ordered_pair(X1,X1) = X0
            & member(X1,universal_class) )
        | ~ member(X0,identity_relation) ) ),
    inference(nnf_transformation,[],[f51]) ).

fof(f51,plain,
    ! [X0] :
      ( member(X0,identity_relation)
    <=> ? [X1] :
          ( ordered_pair(X1,X1) = X0
          & member(X1,universal_class) ) ),
    inference(rectify,[],[f37]) ).

fof(f37,axiom,
    ! [X4] :
      ( member(X4,identity_relation)
    <=> ? [X0] :
          ( ordered_pair(X0,X0) = X4
          & member(X0,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',identity_relation) ).

fof(f744,plain,
    spl8_76,
    inference(avatar_split_clause,[],[f247,f742]) ).

fof(f742,plain,
    ( spl8_76
  <=> ! [X0,X1] :
        ( union(X0,unordered_pair(X0,X0)) = X1
        | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),successor_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_76])]) ).

fof(f247,plain,
    ! [X0,X1] :
      ( union(X0,unordered_pair(X0,X0)) = X1
      | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),successor_relation) ),
    inference(definition_unfolding,[],[f195,f226,f229]) ).

fof(f195,plain,
    ! [X0,X1] :
      ( successor(X0) = X1
      | ~ member(ordered_pair(X0,X1),successor_relation) ),
    inference(cnf_transformation,[],[f117]) ).

fof(f740,plain,
    spl8_75,
    inference(avatar_split_clause,[],[f240,f738]) ).

fof(f738,plain,
    ( spl8_75
  <=> ! [X0,X1] :
        ( first(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))) = X0
        | ~ member(X1,universal_class)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_75])]) ).

fof(f240,plain,
    ! [X0,X1] :
      ( first(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))) = X0
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(definition_unfolding,[],[f169,f229]) ).

fof(f169,plain,
    ! [X0,X1] :
      ( first(ordered_pair(X0,X1)) = X0
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f79,plain,
    ! [X0,X1] :
      ( ( second(ordered_pair(X0,X1)) = X1
        & first(ordered_pair(X0,X1)) = X0 )
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(flattening,[],[f78]) ).

fof(f78,plain,
    ! [X0,X1] :
      ( ( second(ordered_pair(X0,X1)) = X1
        & first(ordered_pair(X0,X1)) = X0 )
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( ( member(X1,universal_class)
        & member(X0,universal_class) )
     => ( second(ordered_pair(X0,X1)) = X1
        & first(ordered_pair(X0,X1)) = X0 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',first_second) ).

fof(f736,plain,
    spl8_74,
    inference(avatar_split_clause,[],[f239,f734]) ).

fof(f734,plain,
    ( spl8_74
  <=> ! [X0,X1] :
        ( second(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))) = X1
        | ~ member(X1,universal_class)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_74])]) ).

fof(f239,plain,
    ! [X0,X1] :
      ( second(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1)))) = X1
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(definition_unfolding,[],[f170,f229]) ).

fof(f170,plain,
    ! [X0,X1] :
      ( second(ordered_pair(X0,X1)) = X1
      | ~ member(X1,universal_class)
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f721,plain,
    spl8_73,
    inference(avatar_split_clause,[],[f243,f719]) ).

fof(f719,plain,
    ( spl8_73
  <=> ! [X0,X1] :
        ( member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),element_relation)
        | ~ member(X0,X1)
        | ~ member(X1,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_73])]) ).

fof(f243,plain,
    ! [X0,X1] :
      ( member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),element_relation)
      | ~ member(X0,X1)
      | ~ member(X1,universal_class) ),
    inference(definition_unfolding,[],[f192,f229]) ).

fof(f192,plain,
    ! [X0,X1] :
      ( member(ordered_pair(X0,X1),element_relation)
      | ~ member(X0,X1)
      | ~ member(X1,universal_class) ),
    inference(cnf_transformation,[],[f115]) ).

fof(f115,plain,
    ! [X0,X1] :
      ( ( member(ordered_pair(X0,X1),element_relation)
        | ~ member(X0,X1)
        | ~ member(X1,universal_class) )
      & ( ( member(X0,X1)
          & member(X1,universal_class) )
        | ~ member(ordered_pair(X0,X1),element_relation) ) ),
    inference(flattening,[],[f114]) ).

fof(f114,plain,
    ! [X0,X1] :
      ( ( member(ordered_pair(X0,X1),element_relation)
        | ~ member(X0,X1)
        | ~ member(X1,universal_class) )
      & ( ( member(X0,X1)
          & member(X1,universal_class) )
        | ~ member(ordered_pair(X0,X1),element_relation) ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f11,axiom,
    ! [X0,X1] :
      ( member(ordered_pair(X0,X1),element_relation)
    <=> ( member(X0,X1)
        & member(X1,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_relation_defn) ).

fof(f717,plain,
    spl8_72,
    inference(avatar_split_clause,[],[f238,f715]) ).

fof(f715,plain,
    ( spl8_72
  <=> ! [X0,X1] :
        ( member(domain_of(domain_of(flip(cross_product(intersection(X1,cross_product(X0,universal_class)),universal_class)))),universal_class)
        | ~ function(X1)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_72])]) ).

fof(f238,plain,
    ! [X0,X1] :
      ( member(domain_of(domain_of(flip(cross_product(intersection(X1,cross_product(X0,universal_class)),universal_class)))),universal_class)
      | ~ function(X1)
      | ~ member(X0,universal_class) ),
    inference(definition_unfolding,[],[f168,f228]) ).

fof(f168,plain,
    ! [X0,X1] :
      ( member(image(X1,X0),universal_class)
      | ~ function(X1)
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f77]) ).

fof(f77,plain,
    ! [X0,X1] :
      ( member(image(X1,X0),universal_class)
      | ~ function(X1)
      | ~ member(X0,universal_class) ),
    inference(flattening,[],[f76]) ).

fof(f76,plain,
    ! [X0,X1] :
      ( member(image(X1,X0),universal_class)
      | ~ function(X1)
      | ~ member(X0,universal_class) ),
    inference(ennf_transformation,[],[f55]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( ( function(X1)
        & member(X0,universal_class) )
     => member(image(X1,X0),universal_class) ),
    inference(rectify,[],[f39]) ).

fof(f39,axiom,
    ! [X0,X8] :
      ( ( function(X8)
        & member(X0,universal_class) )
     => member(image(X8,X0),universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',replacement) ).

fof(f713,plain,
    spl8_71,
    inference(avatar_split_clause,[],[f232,f711]) ).

fof(f711,plain,
    ( spl8_71
  <=> ! [X0] :
        ( inductive(X0)
        | ~ subclass(domain_of(domain_of(flip(cross_product(intersection(successor_relation,cross_product(X0,universal_class)),universal_class)))),X0)
        | ~ member(null_class,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_71])]) ).

fof(f232,plain,
    ! [X0] :
      ( inductive(X0)
      | ~ subclass(domain_of(domain_of(flip(cross_product(intersection(successor_relation,cross_product(X0,universal_class)),universal_class)))),X0)
      | ~ member(null_class,X0) ),
    inference(definition_unfolding,[],[f156,f228]) ).

fof(f156,plain,
    ! [X0] :
      ( inductive(X0)
      | ~ subclass(image(successor_relation,X0),X0)
      | ~ member(null_class,X0) ),
    inference(cnf_transformation,[],[f91]) ).

fof(f91,plain,
    ! [X0] :
      ( ( inductive(X0)
        | ~ subclass(image(successor_relation,X0),X0)
        | ~ member(null_class,X0) )
      & ( ( subclass(image(successor_relation,X0),X0)
          & member(null_class,X0) )
        | ~ inductive(X0) ) ),
    inference(flattening,[],[f90]) ).

fof(f90,plain,
    ! [X0] :
      ( ( inductive(X0)
        | ~ subclass(image(successor_relation,X0),X0)
        | ~ member(null_class,X0) )
      & ( ( subclass(image(successor_relation,X0),X0)
          & member(null_class,X0) )
        | ~ inductive(X0) ) ),
    inference(nnf_transformation,[],[f29]) ).

fof(f29,axiom,
    ! [X0] :
      ( inductive(X0)
    <=> ( subclass(image(successor_relation,X0),X0)
        & member(null_class,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',inductive_defn) ).

fof(f709,plain,
    ( ~ spl8_69
    | spl8_70
    | ~ spl8_20
    | ~ spl8_48 ),
    inference(avatar_split_clause,[],[f593,f530,f357,f706,f702]) ).

fof(f702,plain,
    ( spl8_69
  <=> function(universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_69])]) ).

fof(f706,plain,
    ( spl8_70
  <=> member(sK0,cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_70])]) ).

fof(f357,plain,
    ( spl8_20
  <=> ! [X0] :
        ( subclass(X0,cross_product(universal_class,universal_class))
        | ~ function(X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_20])]) ).

fof(f530,plain,
    ( spl8_48
  <=> ! [X0] :
        ( member(sK0,X0)
        | ~ subclass(universal_class,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_48])]) ).

fof(f593,plain,
    ( member(sK0,cross_product(universal_class,universal_class))
    | ~ function(universal_class)
    | ~ spl8_20
    | ~ spl8_48 ),
    inference(resolution,[],[f531,f358]) ).

fof(f358,plain,
    ( ! [X0] :
        ( subclass(X0,cross_product(universal_class,universal_class))
        | ~ function(X0) )
    | ~ spl8_20 ),
    inference(avatar_component_clause,[],[f357]) ).

fof(f531,plain,
    ( ! [X0] :
        ( ~ subclass(universal_class,X0)
        | member(sK0,X0) )
    | ~ spl8_48 ),
    inference(avatar_component_clause,[],[f530]) ).

fof(f689,plain,
    spl8_68,
    inference(avatar_split_clause,[],[f256,f687]) ).

fof(f687,plain,
    ( spl8_68
  <=> ! [X0,X3,X2,X1] :
        ( member(X0,X2)
        | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),cross_product(X2,X3)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_68])]) ).

fof(f256,plain,
    ! [X2,X3,X0,X1] :
      ( member(X0,X2)
      | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),cross_product(X2,X3)) ),
    inference(definition_unfolding,[],[f212,f229]) ).

fof(f212,plain,
    ! [X2,X3,X0,X1] :
      ( member(X0,X2)
      | ~ member(ordered_pair(X0,X1),cross_product(X2,X3)) ),
    inference(cnf_transformation,[],[f127]) ).

fof(f685,plain,
    spl8_67,
    inference(avatar_split_clause,[],[f255,f683]) ).

fof(f683,plain,
    ( spl8_67
  <=> ! [X0,X3,X2,X1] :
        ( member(X1,X3)
        | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),cross_product(X2,X3)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_67])]) ).

fof(f255,plain,
    ! [X2,X3,X0,X1] :
      ( member(X1,X3)
      | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),cross_product(X2,X3)) ),
    inference(definition_unfolding,[],[f213,f229]) ).

fof(f213,plain,
    ! [X2,X3,X0,X1] :
      ( member(X1,X3)
      | ~ member(ordered_pair(X0,X1),cross_product(X2,X3)) ),
    inference(cnf_transformation,[],[f127]) ).

fof(f681,plain,
    spl8_66,
    inference(avatar_split_clause,[],[f253,f679]) ).

fof(f679,plain,
    ( spl8_66
  <=> ! [X0,X3,X2,X1] :
        ( member(X2,universal_class)
        | ~ member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),compose(X1,X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_66])]) ).

fof(f253,plain,
    ! [X2,X3,X0,X1] :
      ( member(X2,universal_class)
      | ~ member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),compose(X1,X0)) ),
    inference(definition_unfolding,[],[f209,f229]) ).

fof(f209,plain,
    ! [X2,X3,X0,X1] :
      ( member(X2,universal_class)
      | ~ member(ordered_pair(X2,X3),compose(X1,X0)) ),
    inference(cnf_transformation,[],[f125]) ).

fof(f677,plain,
    spl8_65,
    inference(avatar_split_clause,[],[f241,f675]) ).

fof(f675,plain,
    ( spl8_65
  <=> ! [X0,X1] :
        ( member(X1,domain_of(X0))
        | null_class = intersection(X0,cross_product(unordered_pair(X1,X1),universal_class))
        | ~ member(X1,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_65])]) ).

fof(f241,plain,
    ! [X0,X1] :
      ( member(X1,domain_of(X0))
      | null_class = intersection(X0,cross_product(unordered_pair(X1,X1),universal_class))
      | ~ member(X1,universal_class) ),
    inference(definition_unfolding,[],[f186,f197,f144]) ).

fof(f186,plain,
    ! [X0,X1] :
      ( member(X1,domain_of(X0))
      | null_class = restrict(X0,singleton(X1),universal_class)
      | ~ member(X1,universal_class) ),
    inference(cnf_transformation,[],[f109]) ).

fof(f109,plain,
    ! [X0,X1] :
      ( ( member(X1,domain_of(X0))
        | null_class = restrict(X0,singleton(X1),universal_class)
        | ~ member(X1,universal_class) )
      & ( ( null_class != restrict(X0,singleton(X1),universal_class)
          & member(X1,universal_class) )
        | ~ member(X1,domain_of(X0)) ) ),
    inference(flattening,[],[f108]) ).

fof(f108,plain,
    ! [X0,X1] :
      ( ( member(X1,domain_of(X0))
        | null_class = restrict(X0,singleton(X1),universal_class)
        | ~ member(X1,universal_class) )
      & ( ( null_class != restrict(X0,singleton(X1),universal_class)
          & member(X1,universal_class) )
        | ~ member(X1,domain_of(X0)) ) ),
    inference(nnf_transformation,[],[f58]) ).

fof(f58,plain,
    ! [X0,X1] :
      ( member(X1,domain_of(X0))
    <=> ( null_class != restrict(X0,singleton(X1),universal_class)
        & member(X1,universal_class) ) ),
    inference(rectify,[],[f17]) ).

fof(f17,axiom,
    ! [X0,X4] :
      ( member(X4,domain_of(X0))
    <=> ( null_class != restrict(X0,singleton(X4),universal_class)
        & member(X4,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',domain_of) ).

fof(f673,plain,
    spl8_64,
    inference(avatar_split_clause,[],[f234,f671]) ).

fof(f671,plain,
    ( spl8_64
  <=> ! [X0] :
        ( function(X0)
        | ~ subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation)
        | ~ subclass(X0,cross_product(universal_class,universal_class)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_64])]) ).

fof(f234,plain,
    ! [X0] :
      ( function(X0)
      | ~ subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation)
      | ~ subclass(X0,cross_product(universal_class,universal_class)) ),
    inference(definition_unfolding,[],[f159,f146]) ).

fof(f159,plain,
    ! [X0] :
      ( function(X0)
      | ~ subclass(compose(X0,inverse(X0)),identity_relation)
      | ~ subclass(X0,cross_product(universal_class,universal_class)) ),
    inference(cnf_transformation,[],[f93]) ).

fof(f93,plain,
    ! [X0] :
      ( ( function(X0)
        | ~ subclass(compose(X0,inverse(X0)),identity_relation)
        | ~ subclass(X0,cross_product(universal_class,universal_class)) )
      & ( ( subclass(compose(X0,inverse(X0)),identity_relation)
          & subclass(X0,cross_product(universal_class,universal_class)) )
        | ~ function(X0) ) ),
    inference(flattening,[],[f92]) ).

fof(f92,plain,
    ! [X0] :
      ( ( function(X0)
        | ~ subclass(compose(X0,inverse(X0)),identity_relation)
        | ~ subclass(X0,cross_product(universal_class,universal_class)) )
      & ( ( subclass(compose(X0,inverse(X0)),identity_relation)
          & subclass(X0,cross_product(universal_class,universal_class)) )
        | ~ function(X0) ) ),
    inference(nnf_transformation,[],[f50]) ).

fof(f50,plain,
    ! [X0] :
      ( function(X0)
    <=> ( subclass(compose(X0,inverse(X0)),identity_relation)
        & subclass(X0,cross_product(universal_class,universal_class)) ) ),
    inference(rectify,[],[f38]) ).

fof(f38,axiom,
    ! [X8] :
      ( function(X8)
    <=> ( subclass(compose(X8,inverse(X8)),identity_relation)
        & subclass(X8,cross_product(universal_class,universal_class)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',function_defn) ).

fof(f654,plain,
    spl8_63,
    inference(avatar_split_clause,[],[f264,f652]) ).

fof(f652,plain,
    ( spl8_63
  <=> ! [X1] :
        ( member(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X1,X1))),identity_relation)
        | ~ member(X1,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_63])]) ).

fof(f264,plain,
    ! [X1] :
      ( member(unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X1,X1))),identity_relation)
      | ~ member(X1,universal_class) ),
    inference(equality_resolution,[],[f236]) ).

fof(f236,plain,
    ! [X0,X1] :
      ( member(X0,identity_relation)
      | unordered_pair(unordered_pair(X1,X1),unordered_pair(X1,unordered_pair(X1,X1))) != X0
      | ~ member(X1,universal_class) ),
    inference(definition_unfolding,[],[f162,f229]) ).

fof(f162,plain,
    ! [X0,X1] :
      ( member(X0,identity_relation)
      | ordered_pair(X1,X1) != X0
      | ~ member(X1,universal_class) ),
    inference(cnf_transformation,[],[f97]) ).

fof(f650,plain,
    spl8_62,
    inference(avatar_split_clause,[],[f249,f648]) ).

fof(f648,plain,
    ( spl8_62
  <=> ! [X0,X1] :
        ( member(X0,universal_class)
        | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),successor_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_62])]) ).

fof(f249,plain,
    ! [X0,X1] :
      ( member(X0,universal_class)
      | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),successor_relation) ),
    inference(definition_unfolding,[],[f193,f229]) ).

fof(f193,plain,
    ! [X0,X1] :
      ( member(X0,universal_class)
      | ~ member(ordered_pair(X0,X1),successor_relation) ),
    inference(cnf_transformation,[],[f117]) ).

fof(f646,plain,
    spl8_61,
    inference(avatar_split_clause,[],[f248,f644]) ).

fof(f644,plain,
    ( spl8_61
  <=> ! [X0,X1] :
        ( member(X1,universal_class)
        | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),successor_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_61])]) ).

fof(f248,plain,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),successor_relation) ),
    inference(definition_unfolding,[],[f194,f229]) ).

fof(f194,plain,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | ~ member(ordered_pair(X0,X1),successor_relation) ),
    inference(cnf_transformation,[],[f117]) ).

fof(f642,plain,
    spl8_60,
    inference(avatar_split_clause,[],[f245,f640]) ).

fof(f640,plain,
    ( spl8_60
  <=> ! [X0,X1] :
        ( member(X1,universal_class)
        | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),element_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_60])]) ).

fof(f245,plain,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),element_relation) ),
    inference(definition_unfolding,[],[f190,f229]) ).

fof(f190,plain,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | ~ member(ordered_pair(X0,X1),element_relation) ),
    inference(cnf_transformation,[],[f115]) ).

fof(f638,plain,
    ( spl8_59
    | ~ spl8_1
    | ~ spl8_51 ),
    inference(avatar_split_clause,[],[f572,f553,f271,f636]) ).

fof(f636,plain,
    ( spl8_59
  <=> ! [X0] :
        ( member(X0,sum_class(universal_class))
        | ~ member(X0,sK0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_59])]) ).

fof(f553,plain,
    ( spl8_51
  <=> ! [X2,X0,X1] :
        ( member(X0,sum_class(X1))
        | ~ member(X2,X1)
        | ~ member(X0,X2) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_51])]) ).

fof(f572,plain,
    ( ! [X0] :
        ( member(X0,sum_class(universal_class))
        | ~ member(X0,sK0) )
    | ~ spl8_1
    | ~ spl8_51 ),
    inference(resolution,[],[f554,f273]) ).

fof(f273,plain,
    ( member(sK0,universal_class)
    | ~ spl8_1 ),
    inference(avatar_component_clause,[],[f271]) ).

fof(f554,plain,
    ( ! [X2,X0,X1] :
        ( ~ member(X2,X1)
        | member(X0,sum_class(X1))
        | ~ member(X0,X2) )
    | ~ spl8_51 ),
    inference(avatar_component_clause,[],[f553]) ).

fof(f634,plain,
    spl8_58,
    inference(avatar_split_clause,[],[f244,f632]) ).

fof(f632,plain,
    ( spl8_58
  <=> ! [X0,X1] :
        ( member(X0,X1)
        | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),element_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_58])]) ).

fof(f244,plain,
    ! [X0,X1] :
      ( member(X0,X1)
      | ~ member(unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),element_relation) ),
    inference(definition_unfolding,[],[f191,f229]) ).

fof(f191,plain,
    ! [X0,X1] :
      ( member(X0,X1)
      | ~ member(ordered_pair(X0,X1),element_relation) ),
    inference(cnf_transformation,[],[f115]) ).

fof(f630,plain,
    spl8_57,
    inference(avatar_split_clause,[],[f233,f628]) ).

fof(f628,plain,
    ( spl8_57
  <=> ! [X0] :
        ( subclass(domain_of(domain_of(flip(cross_product(intersection(successor_relation,cross_product(X0,universal_class)),universal_class)))),X0)
        | ~ inductive(X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_57])]) ).

fof(f233,plain,
    ! [X0] :
      ( subclass(domain_of(domain_of(flip(cross_product(intersection(successor_relation,cross_product(X0,universal_class)),universal_class)))),X0)
      | ~ inductive(X0) ),
    inference(definition_unfolding,[],[f155,f228]) ).

fof(f155,plain,
    ! [X0] :
      ( subclass(image(successor_relation,X0),X0)
      | ~ inductive(X0) ),
    inference(cnf_transformation,[],[f91]) ).

fof(f625,plain,
    spl8_56,
    inference(avatar_split_clause,[],[f242,f623]) ).

fof(f623,plain,
    ( spl8_56
  <=> ! [X0,X1] :
        ( null_class != intersection(X0,cross_product(unordered_pair(X1,X1),universal_class))
        | ~ member(X1,domain_of(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_56])]) ).

fof(f242,plain,
    ! [X0,X1] :
      ( null_class != intersection(X0,cross_product(unordered_pair(X1,X1),universal_class))
      | ~ member(X1,domain_of(X0)) ),
    inference(definition_unfolding,[],[f185,f197,f144]) ).

fof(f185,plain,
    ! [X0,X1] :
      ( null_class != restrict(X0,singleton(X1),universal_class)
      | ~ member(X1,domain_of(X0)) ),
    inference(cnf_transformation,[],[f109]) ).

fof(f601,plain,
    spl8_55,
    inference(avatar_split_clause,[],[f235,f599]) ).

fof(f599,plain,
    ( spl8_55
  <=> ! [X0] :
        ( subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation)
        | ~ function(X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_55])]) ).

fof(f235,plain,
    ! [X0] :
      ( subclass(compose(X0,domain_of(flip(cross_product(X0,universal_class)))),identity_relation)
      | ~ function(X0) ),
    inference(definition_unfolding,[],[f158,f146]) ).

fof(f158,plain,
    ! [X0] :
      ( subclass(compose(X0,inverse(X0)),identity_relation)
      | ~ function(X0) ),
    inference(cnf_transformation,[],[f93]) ).

fof(f597,plain,
    spl8_54,
    inference(avatar_split_clause,[],[f206,f595]) ).

fof(f206,plain,
    ! [X2,X0,X1] :
      ( X0 = X2
      | X0 = X1
      | ~ member(X0,unordered_pair(X1,X2)) ),
    inference(cnf_transformation,[],[f123]) ).

fof(f123,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X1,X2))
        | ( X0 != X2
          & X0 != X1 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X2
            | X0 = X1 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    inference(flattening,[],[f122]) ).

fof(f122,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X1,X2))
        | ( X0 != X2
          & X0 != X1 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X2
            | X0 = X1 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    inference(nnf_transformation,[],[f64]) ).

fof(f64,plain,
    ! [X0,X1,X2] :
      ( member(X0,unordered_pair(X1,X2))
    <=> ( ( X0 = X2
          | X0 = X1 )
        & member(X0,universal_class) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X2,X0,X1] :
      ( member(X2,unordered_pair(X0,X1))
    <=> ( ( X1 = X2
          | X0 = X2 )
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair_defn) ).

fof(f590,plain,
    spl8_53,
    inference(avatar_split_clause,[],[f202,f588]) ).

fof(f588,plain,
    ( spl8_53
  <=> ! [X2,X0,X1] :
        ( member(X2,X1)
        | member(X2,X0)
        | ~ member(X2,union(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_53])]) ).

fof(f202,plain,
    ! [X2,X0,X1] :
      ( member(X2,X1)
      | member(X2,X0)
      | ~ member(X2,union(X0,X1)) ),
    inference(cnf_transformation,[],[f121]) ).

fof(f121,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,union(X0,X1))
        | ( ~ member(X2,X1)
          & ~ member(X2,X0) ) )
      & ( member(X2,X1)
        | member(X2,X0)
        | ~ member(X2,union(X0,X1)) ) ),
    inference(flattening,[],[f120]) ).

fof(f120,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,union(X0,X1))
        | ( ~ member(X2,X1)
          & ~ member(X2,X0) ) )
      & ( member(X2,X1)
        | member(X2,X0)
        | ~ member(X2,union(X0,X1)) ) ),
    inference(nnf_transformation,[],[f63]) ).

fof(f63,plain,
    ! [X0,X1,X2] :
      ( member(X2,union(X0,X1))
    <=> ( member(X2,X1)
        | member(X2,X0) ) ),
    inference(rectify,[],[f22]) ).

fof(f22,axiom,
    ! [X0,X1,X4] :
      ( member(X4,union(X0,X1))
    <=> ( member(X4,X1)
        | member(X4,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',union_defn) ).

fof(f586,plain,
    spl8_52,
    inference(avatar_split_clause,[],[f201,f584]) ).

fof(f584,plain,
    ( spl8_52
  <=> ! [X2,X0,X1] :
        ( member(X2,intersection(X0,X1))
        | ~ member(X2,X1)
        | ~ member(X2,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_52])]) ).

fof(f201,plain,
    ! [X2,X0,X1] :
      ( member(X2,intersection(X0,X1))
      | ~ member(X2,X1)
      | ~ member(X2,X0) ),
    inference(cnf_transformation,[],[f119]) ).

fof(f119,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,intersection(X0,X1))
        | ~ member(X2,X1)
        | ~ member(X2,X0) )
      & ( ( member(X2,X1)
          & member(X2,X0) )
        | ~ member(X2,intersection(X0,X1)) ) ),
    inference(flattening,[],[f118]) ).

fof(f118,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,intersection(X0,X1))
        | ~ member(X2,X1)
        | ~ member(X2,X0) )
      & ( ( member(X2,X1)
          & member(X2,X0) )
        | ~ member(X2,intersection(X0,X1)) ) ),
    inference(nnf_transformation,[],[f62]) ).

fof(f62,plain,
    ! [X0,X1,X2] :
      ( member(X2,intersection(X0,X1))
    <=> ( member(X2,X1)
        & member(X2,X0) ) ),
    inference(rectify,[],[f13]) ).

fof(f13,axiom,
    ! [X0,X1,X4] :
      ( member(X4,intersection(X0,X1))
    <=> ( member(X4,X1)
        & member(X4,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection) ).

fof(f555,plain,
    spl8_51,
    inference(avatar_split_clause,[],[f189,f553]) ).

fof(f189,plain,
    ! [X2,X0,X1] :
      ( member(X0,sum_class(X1))
      | ~ member(X2,X1)
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[],[f113]) ).

fof(f113,plain,
    ! [X0,X1] :
      ( ( member(X0,sum_class(X1))
        | ! [X2] :
            ( ~ member(X2,X1)
            | ~ member(X0,X2) ) )
      & ( ( member(sK5(X0,X1),X1)
          & member(X0,sK5(X0,X1)) )
        | ~ member(X0,sum_class(X1)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5])],[f111,f112]) ).

fof(f112,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( member(X3,X1)
          & member(X0,X3) )
     => ( member(sK5(X0,X1),X1)
        & member(X0,sK5(X0,X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f111,plain,
    ! [X0,X1] :
      ( ( member(X0,sum_class(X1))
        | ! [X2] :
            ( ~ member(X2,X1)
            | ~ member(X0,X2) ) )
      & ( ? [X3] :
            ( member(X3,X1)
            & member(X0,X3) )
        | ~ member(X0,sum_class(X1)) ) ),
    inference(rectify,[],[f110]) ).

fof(f110,plain,
    ! [X0,X1] :
      ( ( member(X0,sum_class(X1))
        | ! [X2] :
            ( ~ member(X2,X1)
            | ~ member(X0,X2) ) )
      & ( ? [X2] :
            ( member(X2,X1)
            & member(X0,X2) )
        | ~ member(X0,sum_class(X1)) ) ),
    inference(nnf_transformation,[],[f59]) ).

fof(f59,plain,
    ! [X0,X1] :
      ( member(X0,sum_class(X1))
    <=> ? [X2] :
          ( member(X2,X1)
          & member(X0,X2) ) ),
    inference(rectify,[],[f31]) ).

fof(f31,axiom,
    ! [X2,X0] :
      ( member(X2,sum_class(X0))
    <=> ? [X1] :
          ( member(X1,X0)
          & member(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sum_class_defn) ).

fof(f551,plain,
    spl8_50,
    inference(avatar_split_clause,[],[f183,f549]) ).

fof(f549,plain,
    ( spl8_50
  <=> ! [X0,X1] :
        ( member(X0,power_class(X1))
        | ~ subclass(X0,X1)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_50])]) ).

fof(f183,plain,
    ! [X0,X1] :
      ( member(X0,power_class(X1))
      | ~ subclass(X0,X1)
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f107]) ).

fof(f107,plain,
    ! [X0,X1] :
      ( ( member(X0,power_class(X1))
        | ~ subclass(X0,X1)
        | ~ member(X0,universal_class) )
      & ( ( subclass(X0,X1)
          & member(X0,universal_class) )
        | ~ member(X0,power_class(X1)) ) ),
    inference(flattening,[],[f106]) ).

fof(f106,plain,
    ! [X0,X1] :
      ( ( member(X0,power_class(X1))
        | ~ subclass(X0,X1)
        | ~ member(X0,universal_class) )
      & ( ( subclass(X0,X1)
          & member(X0,universal_class) )
        | ~ member(X0,power_class(X1)) ) ),
    inference(nnf_transformation,[],[f57]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( member(X0,power_class(X1))
    <=> ( subclass(X0,X1)
        & member(X0,universal_class) ) ),
    inference(rectify,[],[f33]) ).

fof(f33,axiom,
    ! [X2,X0] :
      ( member(X2,power_class(X0))
    <=> ( subclass(X2,X0)
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',power_class_defn) ).

fof(f547,plain,
    spl8_49,
    inference(avatar_split_clause,[],[f180,f545]) ).

fof(f545,plain,
    ( spl8_49
  <=> ! [X0,X1] :
        ( member(X1,complement(X0))
        | member(X1,X0)
        | ~ member(X1,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_49])]) ).

fof(f180,plain,
    ! [X0,X1] :
      ( member(X1,complement(X0))
      | member(X1,X0)
      | ~ member(X1,universal_class) ),
    inference(cnf_transformation,[],[f105]) ).

fof(f105,plain,
    ! [X0,X1] :
      ( ( member(X1,complement(X0))
        | member(X1,X0)
        | ~ member(X1,universal_class) )
      & ( ( ~ member(X1,X0)
          & member(X1,universal_class) )
        | ~ member(X1,complement(X0)) ) ),
    inference(flattening,[],[f104]) ).

fof(f104,plain,
    ! [X0,X1] :
      ( ( member(X1,complement(X0))
        | member(X1,X0)
        | ~ member(X1,universal_class) )
      & ( ( ~ member(X1,X0)
          & member(X1,universal_class) )
        | ~ member(X1,complement(X0)) ) ),
    inference(nnf_transformation,[],[f56]) ).

fof(f56,plain,
    ! [X0,X1] :
      ( member(X1,complement(X0))
    <=> ( ~ member(X1,X0)
        & member(X1,universal_class) ) ),
    inference(rectify,[],[f14]) ).

fof(f14,axiom,
    ! [X0,X4] :
      ( member(X4,complement(X0))
    <=> ( ~ member(X4,X0)
        & member(X4,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement) ).

fof(f532,plain,
    ( spl8_48
    | ~ spl8_1
    | ~ spl8_45 ),
    inference(avatar_split_clause,[],[f521,f493,f271,f530]) ).

fof(f493,plain,
    ( spl8_45
  <=> ! [X0,X1,X3] :
        ( member(X3,X1)
        | ~ member(X3,X0)
        | ~ subclass(X0,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_45])]) ).

fof(f521,plain,
    ( ! [X0] :
        ( member(sK0,X0)
        | ~ subclass(universal_class,X0) )
    | ~ spl8_1
    | ~ spl8_45 ),
    inference(resolution,[],[f494,f273]) ).

fof(f494,plain,
    ( ! [X3,X0,X1] :
        ( ~ member(X3,X0)
        | member(X3,X1)
        | ~ subclass(X0,X1) )
    | ~ spl8_45 ),
    inference(avatar_component_clause,[],[f493]) ).

fof(f503,plain,
    spl8_47,
    inference(avatar_split_clause,[],[f188,f501]) ).

fof(f501,plain,
    ( spl8_47
  <=> ! [X0,X1] :
        ( member(sK5(X0,X1),X1)
        | ~ member(X0,sum_class(X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_47])]) ).

fof(f188,plain,
    ! [X0,X1] :
      ( member(sK5(X0,X1),X1)
      | ~ member(X0,sum_class(X1)) ),
    inference(cnf_transformation,[],[f113]) ).

fof(f499,plain,
    spl8_46,
    inference(avatar_split_clause,[],[f187,f497]) ).

fof(f497,plain,
    ( spl8_46
  <=> ! [X0,X1] :
        ( member(X0,sK5(X0,X1))
        | ~ member(X0,sum_class(X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_46])]) ).

fof(f187,plain,
    ! [X0,X1] :
      ( member(X0,sK5(X0,X1))
      | ~ member(X0,sum_class(X1)) ),
    inference(cnf_transformation,[],[f113]) ).

fof(f495,plain,
    spl8_45,
    inference(avatar_split_clause,[],[f175,f493]) ).

fof(f175,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ subclass(X0,X1) ),
    inference(cnf_transformation,[],[f103]) ).

fof(f103,plain,
    ! [X0,X1] :
      ( ( subclass(X0,X1)
        | ( ~ member(sK4(X0,X1),X1)
          & member(sK4(X0,X1),X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subclass(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f101,f102]) ).

fof(f102,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
     => ( ~ member(sK4(X0,X1),X1)
        & member(sK4(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f101,plain,
    ! [X0,X1] :
      ( ( subclass(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subclass(X0,X1) ) ),
    inference(rectify,[],[f100]) ).

fof(f100,plain,
    ! [X0,X1] :
      ( ( subclass(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X2] :
            ( member(X2,X1)
            | ~ member(X2,X0) )
        | ~ subclass(X0,X1) ) ),
    inference(nnf_transformation,[],[f81]) ).

fof(f81,plain,
    ! [X0,X1] :
      ( subclass(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
    <=> ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_defn) ).

fof(f491,plain,
    spl8_44,
    inference(avatar_split_clause,[],[f174,f489]) ).

fof(f489,plain,
    ( spl8_44
  <=> ! [X2,X0,X1] :
        ( ~ member(X2,X1)
        | ~ member(X2,X0)
        | ~ disjoint(X0,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_44])]) ).

fof(f174,plain,
    ! [X2,X0,X1] :
      ( ~ member(X2,X1)
      | ~ member(X2,X0)
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f80,plain,
    ! [X0,X1] :
      ( ! [X2] :
          ( ~ member(X2,X1)
          | ~ member(X2,X0) )
      | ~ disjoint(X0,X1) ),
    inference(ennf_transformation,[],[f70]) ).

fof(f70,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
     => ! [X2] :
          ~ ( member(X2,X1)
            & member(X2,X0) ) ),
    inference(unused_predicate_definition_removal,[],[f40]) ).

fof(f40,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> ! [X2] :
          ~ ( member(X2,X1)
            & member(X2,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',disjoint_defn) ).

fof(f487,plain,
    spl8_43,
    inference(avatar_split_clause,[],[f173,f485]) ).

fof(f485,plain,
    ( spl8_43
  <=> ! [X0,X1] :
        ( X0 = X1
        | ~ subclass(X1,X0)
        | ~ subclass(X0,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_43])]) ).

fof(f173,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ subclass(X1,X0)
      | ~ subclass(X0,X1) ),
    inference(cnf_transformation,[],[f99]) ).

fof(f99,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subclass(X1,X0)
        | ~ subclass(X0,X1) )
      & ( ( subclass(X1,X0)
          & subclass(X0,X1) )
        | X0 != X1 ) ),
    inference(flattening,[],[f98]) ).

fof(f98,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subclass(X1,X0)
        | ~ subclass(X0,X1) )
      & ( ( subclass(X1,X0)
          & subclass(X0,X1) )
        | X0 != X1 ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( X0 = X1
    <=> ( subclass(X1,X0)
        & subclass(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',extensionality) ).

fof(f479,plain,
    ( spl8_42
    | ~ spl8_6
    | ~ spl8_33 ),
    inference(avatar_split_clause,[],[f458,f421,f296,f477]) ).

fof(f477,plain,
    ( spl8_42
  <=> ! [X0] : subclass(null_class,X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_42])]) ).

fof(f296,plain,
    ( spl8_6
  <=> ! [X0] : ~ member(X0,null_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_6])]) ).

fof(f421,plain,
    ( spl8_33
  <=> ! [X0,X1] :
        ( subclass(X0,X1)
        | member(sK4(X0,X1),X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_33])]) ).

fof(f458,plain,
    ( ! [X0] : subclass(null_class,X0)
    | ~ spl8_6
    | ~ spl8_33 ),
    inference(resolution,[],[f422,f297]) ).

fof(f297,plain,
    ( ! [X0] : ~ member(X0,null_class)
    | ~ spl8_6 ),
    inference(avatar_component_clause,[],[f296]) ).

fof(f422,plain,
    ( ! [X0,X1] :
        ( member(sK4(X0,X1),X0)
        | subclass(X0,X1) )
    | ~ spl8_33 ),
    inference(avatar_component_clause,[],[f421]) ).

fof(f455,plain,
    spl8_41,
    inference(avatar_split_clause,[],[f269,f453]) ).

fof(f453,plain,
    ( spl8_41
  <=> ! [X2,X1] :
        ( member(X1,unordered_pair(X1,X2))
        | ~ member(X1,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_41])]) ).

fof(f269,plain,
    ! [X2,X1] :
      ( member(X1,unordered_pair(X1,X2))
      | ~ member(X1,universal_class) ),
    inference(equality_resolution,[],[f207]) ).

fof(f207,plain,
    ! [X2,X0,X1] :
      ( member(X0,unordered_pair(X1,X2))
      | X0 != X1
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f123]) ).

fof(f451,plain,
    spl8_40,
    inference(avatar_split_clause,[],[f268,f449]) ).

fof(f268,plain,
    ! [X2,X1] :
      ( member(X2,unordered_pair(X1,X2))
      | ~ member(X2,universal_class) ),
    inference(equality_resolution,[],[f208]) ).

fof(f208,plain,
    ! [X2,X0,X1] :
      ( member(X0,unordered_pair(X1,X2))
      | X0 != X2
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f123]) ).

fof(f447,plain,
    spl8_39,
    inference(avatar_split_clause,[],[f205,f445]) ).

fof(f445,plain,
    ( spl8_39
  <=> ! [X2,X0,X1] :
        ( member(X0,universal_class)
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_39])]) ).

fof(f205,plain,
    ! [X2,X0,X1] :
      ( member(X0,universal_class)
      | ~ member(X0,unordered_pair(X1,X2)) ),
    inference(cnf_transformation,[],[f123]) ).

fof(f443,plain,
    spl8_38,
    inference(avatar_split_clause,[],[f204,f441]) ).

fof(f441,plain,
    ( spl8_38
  <=> ! [X2,X0,X1] :
        ( member(X2,union(X0,X1))
        | ~ member(X2,X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_38])]) ).

fof(f204,plain,
    ! [X2,X0,X1] :
      ( member(X2,union(X0,X1))
      | ~ member(X2,X1) ),
    inference(cnf_transformation,[],[f121]) ).

fof(f439,plain,
    spl8_37,
    inference(avatar_split_clause,[],[f203,f437]) ).

fof(f437,plain,
    ( spl8_37
  <=> ! [X2,X0,X1] :
        ( member(X2,union(X0,X1))
        | ~ member(X2,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_37])]) ).

fof(f203,plain,
    ! [X2,X0,X1] :
      ( member(X2,union(X0,X1))
      | ~ member(X2,X0) ),
    inference(cnf_transformation,[],[f121]) ).

fof(f435,plain,
    spl8_36,
    inference(avatar_split_clause,[],[f200,f433]) ).

fof(f433,plain,
    ( spl8_36
  <=> ! [X2,X0,X1] :
        ( member(X2,X1)
        | ~ member(X2,intersection(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_36])]) ).

fof(f200,plain,
    ! [X2,X0,X1] :
      ( member(X2,X1)
      | ~ member(X2,intersection(X0,X1)) ),
    inference(cnf_transformation,[],[f119]) ).

fof(f431,plain,
    spl8_35,
    inference(avatar_split_clause,[],[f199,f429]) ).

fof(f429,plain,
    ( spl8_35
  <=> ! [X2,X0,X1] :
        ( member(X2,X0)
        | ~ member(X2,intersection(X0,X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_35])]) ).

fof(f199,plain,
    ! [X2,X0,X1] :
      ( member(X2,X0)
      | ~ member(X2,intersection(X0,X1)) ),
    inference(cnf_transformation,[],[f119]) ).

fof(f427,plain,
    spl8_34,
    inference(avatar_split_clause,[],[f177,f425]) ).

fof(f425,plain,
    ( spl8_34
  <=> ! [X0,X1] :
        ( subclass(X0,X1)
        | ~ member(sK4(X0,X1),X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_34])]) ).

fof(f177,plain,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(sK4(X0,X1),X1) ),
    inference(cnf_transformation,[],[f103]) ).

fof(f423,plain,
    spl8_33,
    inference(avatar_split_clause,[],[f176,f421]) ).

fof(f176,plain,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(sK4(X0,X1),X0) ),
    inference(cnf_transformation,[],[f103]) ).

fof(f419,plain,
    spl8_32,
    inference(avatar_split_clause,[],[f148,f417]) ).

fof(f417,plain,
    ( spl8_32
  <=> ! [X0] : subclass(flip(X0),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_32])]) ).

fof(f148,plain,
    ! [X0] : subclass(flip(X0),cross_product(cross_product(universal_class,universal_class),universal_class)),
    inference(cnf_transformation,[],[f21]) ).

fof(f21,axiom,
    ! [X0] : subclass(flip(X0),cross_product(cross_product(universal_class,universal_class),universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',flip) ).

fof(f415,plain,
    spl8_31,
    inference(avatar_split_clause,[],[f147,f413]) ).

fof(f413,plain,
    ( spl8_31
  <=> ! [X0] : subclass(rotate(X0),cross_product(cross_product(universal_class,universal_class),universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_31])]) ).

fof(f147,plain,
    ! [X0] : subclass(rotate(X0),cross_product(cross_product(universal_class,universal_class),universal_class)),
    inference(cnf_transformation,[],[f19]) ).

fof(f19,axiom,
    ! [X0] : subclass(rotate(X0),cross_product(cross_product(universal_class,universal_class),universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rotate) ).

fof(f411,plain,
    ( spl8_29
    | spl8_30
    | ~ spl8_12
    | ~ spl8_24 ),
    inference(avatar_split_clause,[],[f394,f374,f323,f408,f405]) ).

fof(f405,plain,
    ( spl8_29
  <=> ! [X0] : ~ inductive(complement(X0)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_29])]) ).

fof(f408,plain,
    ( spl8_30
  <=> member(null_class,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_30])]) ).

fof(f323,plain,
    ( spl8_12
  <=> ! [X0] :
        ( member(null_class,X0)
        | ~ inductive(X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_12])]) ).

fof(f374,plain,
    ( spl8_24
  <=> ! [X0,X1] :
        ( member(X1,universal_class)
        | ~ member(X1,complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_24])]) ).

fof(f394,plain,
    ( ! [X0] :
        ( member(null_class,universal_class)
        | ~ inductive(complement(X0)) )
    | ~ spl8_12
    | ~ spl8_24 ),
    inference(resolution,[],[f375,f324]) ).

fof(f324,plain,
    ( ! [X0] :
        ( member(null_class,X0)
        | ~ inductive(X0) )
    | ~ spl8_12 ),
    inference(avatar_component_clause,[],[f323]) ).

fof(f375,plain,
    ( ! [X0,X1] :
        ( ~ member(X1,complement(X0))
        | member(X1,universal_class) )
    | ~ spl8_24 ),
    inference(avatar_component_clause,[],[f374]) ).

fof(f392,plain,
    spl8_28,
    inference(avatar_split_clause,[],[f184,f390]) ).

fof(f390,plain,
    ( spl8_28
  <=> ! [X0,X1] :
        ( member(X1,universal_class)
        | ~ member(X1,domain_of(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_28])]) ).

fof(f184,plain,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | ~ member(X1,domain_of(X0)) ),
    inference(cnf_transformation,[],[f109]) ).

fof(f388,plain,
    spl8_27,
    inference(avatar_split_clause,[],[f182,f386]) ).

fof(f386,plain,
    ( spl8_27
  <=> ! [X0,X1] :
        ( subclass(X0,X1)
        | ~ member(X0,power_class(X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_27])]) ).

fof(f182,plain,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(X0,power_class(X1)) ),
    inference(cnf_transformation,[],[f107]) ).

fof(f384,plain,
    spl8_26,
    inference(avatar_split_clause,[],[f181,f382]) ).

fof(f382,plain,
    ( spl8_26
  <=> ! [X0,X1] :
        ( member(X0,universal_class)
        | ~ member(X0,power_class(X1)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_26])]) ).

fof(f181,plain,
    ! [X0,X1] :
      ( member(X0,universal_class)
      | ~ member(X0,power_class(X1)) ),
    inference(cnf_transformation,[],[f107]) ).

fof(f380,plain,
    spl8_25,
    inference(avatar_split_clause,[],[f179,f378]) ).

fof(f378,plain,
    ( spl8_25
  <=> ! [X0,X1] :
        ( ~ member(X1,X0)
        | ~ member(X1,complement(X0)) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_25])]) ).

fof(f179,plain,
    ! [X0,X1] :
      ( ~ member(X1,X0)
      | ~ member(X1,complement(X0)) ),
    inference(cnf_transformation,[],[f105]) ).

fof(f376,plain,
    spl8_24,
    inference(avatar_split_clause,[],[f178,f374]) ).

fof(f178,plain,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | ~ member(X1,complement(X0)) ),
    inference(cnf_transformation,[],[f105]) ).

fof(f372,plain,
    spl8_23,
    inference(avatar_split_clause,[],[f164,f370]) ).

fof(f370,plain,
    ( spl8_23
  <=> ! [X0,X1] : subclass(compose(X1,X0),cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_23])]) ).

fof(f164,plain,
    ! [X0,X1] : subclass(compose(X1,X0),cross_product(universal_class,universal_class)),
    inference(cnf_transformation,[],[f52]) ).

fof(f52,plain,
    ! [X0,X1] : subclass(compose(X1,X0),cross_product(universal_class,universal_class)),
    inference(rectify,[],[f35]) ).

fof(f35,axiom,
    ! [X5,X7] : subclass(compose(X7,X5),cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',compose_defn1) ).

fof(f368,plain,
    spl8_22,
    inference(avatar_split_clause,[],[f160,f366]) ).

fof(f366,plain,
    ( spl8_22
  <=> ! [X0] :
        ( member(sK3(X0),universal_class)
        | ~ member(X0,identity_relation) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_22])]) ).

fof(f160,plain,
    ! [X0] :
      ( member(sK3(X0),universal_class)
      | ~ member(X0,identity_relation) ),
    inference(cnf_transformation,[],[f97]) ).

fof(f364,plain,
    ( ~ spl8_21
    | ~ spl8_6
    | ~ spl8_12 ),
    inference(avatar_split_clause,[],[f334,f323,f296,f361]) ).

fof(f361,plain,
    ( spl8_21
  <=> inductive(null_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_21])]) ).

fof(f334,plain,
    ( ~ inductive(null_class)
    | ~ spl8_6
    | ~ spl8_12 ),
    inference(resolution,[],[f324,f297]) ).

fof(f359,plain,
    spl8_20,
    inference(avatar_split_clause,[],[f157,f357]) ).

fof(f157,plain,
    ! [X0] :
      ( subclass(X0,cross_product(universal_class,universal_class))
      | ~ function(X0) ),
    inference(cnf_transformation,[],[f93]) ).

fof(f355,plain,
    spl8_19,
    inference(avatar_split_clause,[],[f153,f353]) ).

fof(f353,plain,
    ( spl8_19
  <=> ! [X0] :
        ( member(sum_class(X0),universal_class)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_19])]) ).

fof(f153,plain,
    ! [X0] :
      ( member(sum_class(X0),universal_class)
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f75]) ).

fof(f75,plain,
    ! [X0] :
      ( member(sum_class(X0),universal_class)
      | ~ member(X0,universal_class) ),
    inference(ennf_transformation,[],[f32]) ).

fof(f32,axiom,
    ! [X0] :
      ( member(X0,universal_class)
     => member(sum_class(X0),universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sum_class) ).

fof(f351,plain,
    spl8_18,
    inference(avatar_split_clause,[],[f152,f349]) ).

fof(f349,plain,
    ( spl8_18
  <=> ! [X0] :
        ( member(power_class(X0),universal_class)
        | ~ member(X0,universal_class) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_18])]) ).

fof(f152,plain,
    ! [X0] :
      ( member(power_class(X0),universal_class)
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f74]) ).

fof(f74,plain,
    ! [X0] :
      ( member(power_class(X0),universal_class)
      | ~ member(X0,universal_class) ),
    inference(ennf_transformation,[],[f49]) ).

fof(f49,plain,
    ! [X0] :
      ( member(X0,universal_class)
     => member(power_class(X0),universal_class) ),
    inference(rectify,[],[f34]) ).

fof(f34,axiom,
    ! [X2] :
      ( member(X2,universal_class)
     => member(power_class(X2),universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',power_class) ).

fof(f347,plain,
    spl8_17,
    inference(avatar_split_clause,[],[f151,f345]) ).

fof(f345,plain,
    ( spl8_17
  <=> ! [X0] :
        ( disjoint(sK2(X0),X0)
        | null_class = X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_17])]) ).

fof(f151,plain,
    ! [X0] :
      ( disjoint(sK2(X0),X0)
      | null_class = X0 ),
    inference(cnf_transformation,[],[f89]) ).

fof(f89,plain,
    ! [X0] :
      ( ( disjoint(sK2(X0),X0)
        & member(sK2(X0),X0)
        & member(sK2(X0),universal_class) )
      | null_class = X0 ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f73,f88]) ).

fof(f88,plain,
    ! [X0] :
      ( ? [X1] :
          ( disjoint(X1,X0)
          & member(X1,X0)
          & member(X1,universal_class) )
     => ( disjoint(sK2(X0),X0)
        & member(sK2(X0),X0)
        & member(sK2(X0),universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f73,plain,
    ! [X0] :
      ( ? [X1] :
          ( disjoint(X1,X0)
          & member(X1,X0)
          & member(X1,universal_class) )
      | null_class = X0 ),
    inference(ennf_transformation,[],[f48]) ).

fof(f48,plain,
    ! [X0] :
      ( null_class != X0
     => ? [X1] :
          ( disjoint(X1,X0)
          & member(X1,X0)
          & member(X1,universal_class) ) ),
    inference(rectify,[],[f41]) ).

fof(f41,axiom,
    ! [X0] :
      ( null_class != X0
     => ? [X2] :
          ( disjoint(X2,X0)
          & member(X2,X0)
          & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',regularity) ).

fof(f343,plain,
    spl8_16,
    inference(avatar_split_clause,[],[f150,f341]) ).

fof(f341,plain,
    ( spl8_16
  <=> ! [X0] :
        ( member(sK2(X0),X0)
        | null_class = X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_16])]) ).

fof(f150,plain,
    ! [X0] :
      ( member(sK2(X0),X0)
      | null_class = X0 ),
    inference(cnf_transformation,[],[f89]) ).

fof(f339,plain,
    spl8_15,
    inference(avatar_split_clause,[],[f149,f337]) ).

fof(f337,plain,
    ( spl8_15
  <=> ! [X0] :
        ( member(sK2(X0),universal_class)
        | null_class = X0 ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_15])]) ).

fof(f149,plain,
    ! [X0] :
      ( member(sK2(X0),universal_class)
      | null_class = X0 ),
    inference(cnf_transformation,[],[f89]) ).

fof(f333,plain,
    spl8_14,
    inference(avatar_split_clause,[],[f225,f331]) ).

fof(f331,plain,
    ( spl8_14
  <=> ! [X1] :
        ( subclass(sK7,X1)
        | ~ inductive(X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_14])]) ).

fof(f225,plain,
    ! [X1] :
      ( subclass(sK7,X1)
      | ~ inductive(X1) ),
    inference(cnf_transformation,[],[f135]) ).

fof(f135,plain,
    ( ! [X1] :
        ( subclass(sK7,X1)
        | ~ inductive(X1) )
    & inductive(sK7)
    & member(sK7,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f85,f134]) ).

fof(f134,plain,
    ( ? [X0] :
        ( ! [X1] :
            ( subclass(X0,X1)
            | ~ inductive(X1) )
        & inductive(X0)
        & member(X0,universal_class) )
   => ( ! [X1] :
          ( subclass(sK7,X1)
          | ~ inductive(X1) )
      & inductive(sK7)
      & member(sK7,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f85,plain,
    ? [X0] :
      ( ! [X1] :
          ( subclass(X0,X1)
          | ~ inductive(X1) )
      & inductive(X0)
      & member(X0,universal_class) ),
    inference(ennf_transformation,[],[f30]) ).

fof(f30,axiom,
    ? [X0] :
      ( ! [X1] :
          ( inductive(X1)
         => subclass(X0,X1) )
      & inductive(X0)
      & member(X0,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',infinity) ).

fof(f329,plain,
    spl8_13,
    inference(avatar_split_clause,[],[f163,f327]) ).

fof(f327,plain,
    ( spl8_13
  <=> ! [X0,X1] : member(unordered_pair(X0,X1),universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_13])]) ).

fof(f163,plain,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair) ).

fof(f325,plain,
    spl8_12,
    inference(avatar_split_clause,[],[f154,f323]) ).

fof(f154,plain,
    ! [X0] :
      ( member(null_class,X0)
      | ~ inductive(X0) ),
    inference(cnf_transformation,[],[f91]) ).

fof(f321,plain,
    spl8_11,
    inference(avatar_split_clause,[],[f140,f318]) ).

fof(f318,plain,
    ( spl8_11
  <=> subclass(successor_relation,cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_11])]) ).

fof(f140,plain,
    subclass(successor_relation,cross_product(universal_class,universal_class)),
    inference(cnf_transformation,[],[f24]) ).

fof(f24,axiom,
    subclass(successor_relation,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',successor_relation_defn1) ).

fof(f316,plain,
    spl8_10,
    inference(avatar_split_clause,[],[f139,f313]) ).

fof(f313,plain,
    ( spl8_10
  <=> subclass(element_relation,cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_10])]) ).

fof(f139,plain,
    subclass(element_relation,cross_product(universal_class,universal_class)),
    inference(cnf_transformation,[],[f12]) ).

fof(f12,axiom,
    subclass(element_relation,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_relation) ).

fof(f311,plain,
    spl8_9,
    inference(avatar_split_clause,[],[f265,f309]) ).

fof(f309,plain,
    ( spl8_9
  <=> ! [X1] : subclass(X1,X1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_9])]) ).

fof(f265,plain,
    ! [X1] : subclass(X1,X1),
    inference(equality_resolution,[],[f172]) ).

fof(f172,plain,
    ! [X0,X1] :
      ( subclass(X1,X0)
      | X0 != X1 ),
    inference(cnf_transformation,[],[f99]) ).

fof(f307,plain,
    spl8_8,
    inference(avatar_split_clause,[],[f223,f304]) ).

fof(f304,plain,
    ( spl8_8
  <=> member(sK7,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_8])]) ).

fof(f223,plain,
    member(sK7,universal_class),
    inference(cnf_transformation,[],[f135]) ).

fof(f302,plain,
    spl8_7,
    inference(avatar_split_clause,[],[f142,f300]) ).

fof(f300,plain,
    ( spl8_7
  <=> ! [X0] : subclass(X0,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_7])]) ).

fof(f142,plain,
    ! [X0] : subclass(X0,universal_class),
    inference(cnf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0] : subclass(X0,universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',class_elements_are_sets) ).

fof(f298,plain,
    spl8_6,
    inference(avatar_split_clause,[],[f141,f296]) ).

fof(f141,plain,
    ! [X0] : ~ member(X0,null_class),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,axiom,
    ! [X0] : ~ member(X0,null_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',null_class_defn) ).

fof(f294,plain,
    spl8_5,
    inference(avatar_split_clause,[],[f224,f291]) ).

fof(f291,plain,
    ( spl8_5
  <=> inductive(sK7) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_5])]) ).

fof(f224,plain,
    inductive(sK7),
    inference(cnf_transformation,[],[f135]) ).

fof(f289,plain,
    spl8_4,
    inference(avatar_split_clause,[],[f221,f286]) ).

fof(f286,plain,
    ( spl8_4
  <=> function(sK6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_4])]) ).

fof(f221,plain,
    function(sK6),
    inference(cnf_transformation,[],[f133]) ).

fof(f284,plain,
    spl8_3,
    inference(avatar_split_clause,[],[f231,f281]) ).

fof(f231,plain,
    unordered_pair(sK0,sK0) = unordered_pair(sK1,sK1),
    inference(definition_unfolding,[],[f136,f144,f144]) ).

fof(f136,plain,
    singleton(sK0) = singleton(sK1),
    inference(cnf_transformation,[],[f87]) ).

fof(f87,plain,
    ( sK0 != sK1
    & member(sK0,universal_class)
    & singleton(sK0) = singleton(sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f72,f86]) ).

fof(f86,plain,
    ( ? [X0,X1] :
        ( X0 != X1
        & member(X0,universal_class)
        & singleton(X0) = singleton(X1) )
   => ( sK0 != sK1
      & member(sK0,universal_class)
      & singleton(sK0) = singleton(sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f72,plain,
    ? [X0,X1] :
      ( X0 != X1
      & member(X0,universal_class)
      & singleton(X0) = singleton(X1) ),
    inference(flattening,[],[f71]) ).

fof(f71,plain,
    ? [X0,X1] :
      ( X0 != X1
      & member(X0,universal_class)
      & singleton(X0) = singleton(X1) ),
    inference(ennf_transformation,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X0,X1] :
        ( ( member(X0,universal_class)
          & singleton(X0) = singleton(X1) )
       => X0 = X1 ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X0,X1] :
      ( ( member(X0,universal_class)
        & singleton(X0) = singleton(X1) )
     => X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton_identified_by_element1) ).

fof(f279,plain,
    ~ spl8_2,
    inference(avatar_split_clause,[],[f138,f276]) ).

fof(f138,plain,
    sK0 != sK1,
    inference(cnf_transformation,[],[f87]) ).

fof(f274,plain,
    spl8_1,
    inference(avatar_split_clause,[],[f137,f271]) ).

fof(f137,plain,
    member(sK0,universal_class),
    inference(cnf_transformation,[],[f87]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem    : SET083+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.14/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.36  % Computer : n027.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Tue Apr 30 01:33:32 EDT 2024
% 0.22/0.36  % CPUTime    : 
% 0.22/0.37  % (2428)Running in auto input_syntax mode. Trying TPTP
% 0.22/0.38  % (2431)WARNING: value z3 for option sas not known
% 0.22/0.39  % (2432)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.22/0.39  % (2429)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.22/0.39  % (2431)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)
% 0.22/0.39  % (2433)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)
% 0.22/0.39  % (2430)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.22/0.39  % (2434)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)
% 0.22/0.39  % (2435)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)
% 0.22/0.41  % (2433)First to succeed.
% 0.22/0.41  TRYING [1]
% 0.22/0.41  TRYING [1]
% 0.22/0.41  TRYING [2]
% 0.22/0.41  TRYING [2]
% 0.22/0.42  TRYING [1]
% 0.22/0.42  % (2433)Refutation found. Thanks to Tanya!
% 0.22/0.42  % SZS status Theorem for theBenchmark
% 0.22/0.42  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.42  % (2433)------------------------------
% 0.22/0.42  % (2433)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.22/0.42  % (2433)Termination reason: Refutation
% 0.22/0.42  
% 0.22/0.42  % (2433)Memory used [KB]: 1280
% 0.22/0.42  % (2433)Time elapsed: 0.033 s
% 0.22/0.42  % (2433)Instructions burned: 53 (million)
% 0.22/0.42  % (2433)------------------------------
% 0.22/0.42  % (2433)------------------------------
% 0.22/0.42  % (2428)Success in time 0.052 s
%------------------------------------------------------------------------------