TSTP Solution File: SET081-7 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET081-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n024.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  : 0s
% DateTime : Mon Jul 18 22:46:44 EDT 2022

% Result   : Unsatisfiable 2.24s 2.52s
% Output   : Refutation 2.24s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SET081-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.06/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n024.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % DateTime : Sat Jul  9 19:15:28 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.43/1.08  *** allocated 10000 integers for termspace/termends
% 0.43/1.08  *** allocated 10000 integers for clauses
% 0.43/1.08  *** allocated 10000 integers for justifications
% 0.43/1.08  Bliksem 1.12
% 0.43/1.08  
% 0.43/1.08  
% 0.43/1.08  Automatic Strategy Selection
% 0.43/1.08  
% 0.43/1.08  Clauses:
% 0.43/1.08  [
% 0.43/1.08     [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.43/1.08     [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y ) ],
% 0.43/1.08     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X, Y ) ]
% 0.43/1.08    ,
% 0.43/1.08     [ subclass( X, 'universal_class' ) ],
% 0.43/1.08     [ ~( =( X, Y ) ), subclass( X, Y ) ],
% 0.43/1.08     [ ~( =( X, Y ) ), subclass( Y, X ) ],
% 0.43/1.08     [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ],
% 0.43/1.08     [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.43/1.08    ,
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( X, Y
% 0.43/1.08     ) ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( Y, X
% 0.43/1.08     ) ) ],
% 0.43/1.08     [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ],
% 0.43/1.08     [ =( 'unordered_pair'( X, X ), singleton( X ) ) ],
% 0.43/1.08     [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, singleton( Y
% 0.43/1.08     ) ) ), 'ordered_pair'( X, Y ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.43/1.08    X, Z ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.43/1.08    Y, T ) ],
% 0.43/1.08     [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 'ordered_pair'( X, Z
% 0.43/1.08     ), 'cross_product'( Y, T ) ) ],
% 0.43/1.08     [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( first( X
% 0.43/1.08     ), second( X ) ), X ) ],
% 0.43/1.08     [ subclass( 'element_relation', 'cross_product'( 'universal_class', 
% 0.43/1.08    'universal_class' ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) ), member( X, 
% 0.43/1.08    Y ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.43/1.08    , 'universal_class' ) ) ), ~( member( X, Y ) ), member( 'ordered_pair'( X
% 0.43/1.08    , Y ), 'element_relation' ) ],
% 0.43/1.08     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.43/1.08     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.43/1.08     [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, intersection( Y, 
% 0.43/1.08    Z ) ) ],
% 0.43/1.08     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), member( X, complement( Y ) ), 
% 0.43/1.08    member( X, Y ) ],
% 0.43/1.08     [ =( complement( intersection( complement( X ), complement( Y ) ) ), 
% 0.43/1.08    union( X, Y ) ) ],
% 0.43/1.08     [ =( intersection( complement( intersection( X, Y ) ), complement( 
% 0.43/1.08    intersection( complement( X ), complement( Y ) ) ) ), 
% 0.43/1.08    'symmetric_difference'( X, Y ) ) ],
% 0.43/1.08     [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y, Z ) ) ]
% 0.43/1.08    ,
% 0.43/1.08     [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z, X, Y ) ) ]
% 0.43/1.08    ,
% 0.43/1.08     [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 'null_class' )
% 0.43/1.08     ), ~( member( Y, 'domain_of'( X ) ) ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), =( restrict( Y, singleton( X ), 
% 0.43/1.08    'universal_class' ), 'null_class' ), member( X, 'domain_of'( Y ) ) ],
% 0.43/1.08     [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.43/1.08    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), rotate( T ) )
% 0.43/1.08     ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.43/1.08    member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 'cross_product'( 
% 0.43/1.08    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.43/1.08    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X ), 
% 0.43/1.08    Y ), rotate( T ) ) ],
% 0.43/1.08     [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.43/1.08    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), flip( T ) ) )
% 0.43/1.08    , member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.43/1.08    member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 'cross_product'( 
% 0.43/1.08    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.43/1.08    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), 
% 0.43/1.08    Z ), flip( T ) ) ],
% 0.43/1.08     [ =( 'domain_of'( flip( 'cross_product'( X, 'universal_class' ) ) ), 
% 0.43/1.08    inverse( X ) ) ],
% 0.43/1.08     [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ],
% 0.43/1.08     [ =( first( 'not_subclass_element'( restrict( X, Y, singleton( Z ) ), 
% 0.43/1.08    'null_class' ) ), domain( X, Y, Z ) ) ],
% 0.43/1.08     [ =( second( 'not_subclass_element'( restrict( X, singleton( Y ), Z ), 
% 0.43/1.08    'null_class' ) ), range( X, Y, Z ) ) ],
% 0.43/1.08     [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), image( X, Y ) )
% 0.43/1.08     ],
% 0.43/1.08     [ =( union( X, singleton( X ) ), successor( X ) ) ],
% 0.43/1.08     [ subclass( 'successor_relation', 'cross_product'( 'universal_class', 
% 0.43/1.08    'universal_class' ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' ) ), =( 
% 0.43/1.08    successor( X ), Y ) ],
% 0.43/1.08     [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X, Y ), 
% 0.43/1.08    'cross_product'( 'universal_class', 'universal_class' ) ) ), member( 
% 0.43/1.08    'ordered_pair'( X, Y ), 'successor_relation' ) ],
% 0.43/1.08     [ ~( inductive( X ) ), member( 'null_class', X ) ],
% 0.43/1.08     [ ~( inductive( X ) ), subclass( image( 'successor_relation', X ), X ) ]
% 0.43/1.08    ,
% 0.43/1.08     [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.43/1.08    'successor_relation', X ), X ) ), inductive( X ) ],
% 0.43/1.08     [ inductive( omega ) ],
% 0.43/1.08     [ ~( inductive( X ) ), subclass( omega, X ) ],
% 0.43/1.08     [ member( omega, 'universal_class' ) ],
% 0.43/1.08     [ =( 'domain_of'( restrict( 'element_relation', 'universal_class', X ) )
% 0.43/1.08    , 'sum_class'( X ) ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( X ), 
% 0.43/1.08    'universal_class' ) ],
% 0.43/1.08     [ =( complement( image( 'element_relation', complement( X ) ) ), 
% 0.43/1.08    'power_class'( X ) ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), member( 'power_class'( X ), 
% 0.43/1.08    'universal_class' ) ],
% 0.43/1.08     [ subclass( compose( X, Y ), 'cross_product'( 'universal_class', 
% 0.43/1.08    'universal_class' ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), member( Y, 
% 0.43/1.08    image( Z, image( T, singleton( X ) ) ) ) ],
% 0.43/1.08     [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), ~( member( 
% 0.43/1.08    'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.43/1.08    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.43/1.08     ) ],
% 0.43/1.08     [ ~( 'single_valued_class'( X ) ), subclass( compose( X, inverse( X ) )
% 0.43/1.08    , 'identity_relation' ) ],
% 0.43/1.08     [ ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) ), 
% 0.43/1.08    'single_valued_class'( X ) ],
% 0.43/1.08     [ ~( function( X ) ), subclass( X, 'cross_product'( 'universal_class', 
% 0.43/1.08    'universal_class' ) ) ],
% 0.43/1.08     [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.43/1.08    'identity_relation' ) ],
% 0.43/1.08     [ ~( subclass( X, 'cross_product'( 'universal_class', 'universal_class'
% 0.43/1.08     ) ) ), ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) )
% 0.43/1.08    , function( X ) ],
% 0.43/1.08     [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), member( image( 
% 0.43/1.08    X, Y ), 'universal_class' ) ],
% 0.43/1.08     [ =( X, 'null_class' ), member( regular( X ), X ) ],
% 0.43/1.08     [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 'null_class'
% 0.43/1.08     ) ],
% 0.43/1.08     [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y ) ) ],
% 0.43/1.08     [ function( choice ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' ), member( 
% 0.43/1.08    apply( choice, X ), X ) ],
% 0.43/1.08     [ ~( 'one_to_one'( X ) ), function( X ) ],
% 0.43/1.08     [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ],
% 0.43/1.08     [ ~( function( inverse( X ) ) ), ~( function( X ) ), 'one_to_one'( X ) ]
% 0.43/1.08    ,
% 0.43/1.08     [ =( intersection( 'cross_product'( 'universal_class', 'universal_class'
% 0.43/1.08     ), intersection( 'cross_product'( 'universal_class', 'universal_class' )
% 0.43/1.08    , complement( compose( complement( 'element_relation' ), inverse( 
% 0.43/1.08    'element_relation' ) ) ) ) ), 'subset_relation' ) ],
% 0.43/1.08     [ =( intersection( inverse( 'subset_relation' ), 'subset_relation' ), 
% 0.43/1.08    'identity_relation' ) ],
% 0.43/1.08     [ =( complement( 'domain_of'( intersection( X, 'identity_relation' ) ) )
% 0.43/1.08    , diagonalise( X ) ) ],
% 0.43/1.08     [ =( intersection( 'domain_of'( X ), diagonalise( compose( inverse( 
% 0.43/1.08    'element_relation' ), X ) ) ), cantor( X ) ) ],
% 0.43/1.08     [ ~( operation( X ) ), function( X ) ],
% 0.43/1.08     [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 'domain_of'( X )
% 0.43/1.08     ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ],
% 0.43/1.08     [ ~( operation( X ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.43/1.08    'domain_of'( X ) ) ) ],
% 0.43/1.08     [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 'domain_of'( X
% 0.43/1.08     ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ), ~( 
% 0.43/1.08    subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), operation( 
% 0.43/1.08    X ) ],
% 0.43/1.08     [ ~( compatible( X, Y, Z ) ), function( X ) ],
% 0.43/1.08     [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y ) ), 
% 0.43/1.08    'domain_of'( X ) ) ],
% 0.43/1.08     [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.43/1.08    'domain_of'( Z ) ) ) ],
% 0.43/1.08     [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) ), 'domain_of'( 
% 0.43/1.08    X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( Z ) ) )
% 0.43/1.08     ), compatible( X, Y, Z ) ],
% 0.43/1.08     [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ],
% 0.43/1.08     [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ],
% 0.43/1.08     [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ],
% 0.43/1.08     [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T, U ), 
% 0.43/1.08    'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), apply( 
% 0.43/1.08    X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ],
% 0.43/1.08     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.43/1.08    member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.43/1.08    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.43/1.08    , Y ) ],
% 0.43/1.08     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.43/1.08    ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( Z, X, Y )
% 0.43/1.08     ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, apply( X, 
% 0.43/1.08    'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 'not_homomorphism2'( Z, X
% 0.43/1.08    , Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.43/1.08    X, 'unordered_pair'( X, Y ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.43/1.08    Y, 'unordered_pair'( X, Y ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.43/1.08    X, 'universal_class' ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.43/1.08    Y, 'universal_class' ) ],
% 0.43/1.08     [ subclass( X, X ) ],
% 0.43/1.08     [ ~( subclass( X, Y ) ), ~( subclass( Y, Z ) ), subclass( X, Z ) ],
% 0.43/1.08     [ =( X, Y ), member( 'not_subclass_element'( X, Y ), X ), member( 
% 0.43/1.08    'not_subclass_element'( Y, X ), Y ) ],
% 0.43/1.08     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( X, Y ), member( 
% 0.43/1.08    'not_subclass_element'( Y, X ), Y ) ],
% 0.43/1.08     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( Y, X ), member( 
% 0.43/1.08    'not_subclass_element'( Y, X ), Y ) ],
% 0.43/1.08     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), ~( member( 
% 0.43/1.08    'not_subclass_element'( Y, X ), X ) ), =( X, Y ) ],
% 0.43/1.08     [ ~( member( X, intersection( complement( Y ), Y ) ) ) ],
% 0.43/1.08     [ ~( member( X, 'null_class' ) ) ],
% 0.43/1.08     [ subclass( 'null_class', X ) ],
% 0.43/1.08     [ ~( subclass( X, 'null_class' ) ), =( X, 'null_class' ) ],
% 0.43/1.08     [ =( X, 'null_class' ), member( 'not_subclass_element'( X, 'null_class'
% 0.43/1.08     ), X ) ],
% 0.43/1.08     [ member( 'null_class', 'universal_class' ) ],
% 0.43/1.08     [ =( 'unordered_pair'( X, Y ), 'unordered_pair'( Y, X ) ) ],
% 0.43/1.08     [ subclass( singleton( X ), 'unordered_pair'( X, Y ) ) ],
% 0.43/1.08     [ subclass( singleton( X ), 'unordered_pair'( Y, X ) ) ],
% 0.43/1.08     [ member( X, 'universal_class' ), =( 'unordered_pair'( Y, X ), singleton( 
% 0.43/1.08    Y ) ) ],
% 0.43/1.08     [ member( X, 'universal_class' ), =( 'unordered_pair'( X, Y ), singleton( 
% 0.43/1.08    Y ) ) ],
% 0.43/1.08     [ =( 'unordered_pair'( X, Y ), 'null_class' ), member( X, 
% 0.43/1.08    'universal_class' ), member( Y, 'universal_class' ) ],
% 0.43/1.08     [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( X, Z ) ) ), ~( 
% 0.43/1.08    member( 'ordered_pair'( Y, Z ), 'cross_product'( 'universal_class', 
% 0.43/1.08    'universal_class' ) ) ), =( Y, Z ) ],
% 0.43/1.08     [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( Z, Y ) ) ), ~( 
% 0.43/1.08    member( 'ordered_pair'( X, Z ), 'cross_product'( 'universal_class', 
% 0.43/1.08    'universal_class' ) ) ), =( X, Z ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), ~( =( 'unordered_pair'( X, Y ), 
% 0.43/1.08    'null_class' ) ) ],
% 0.43/1.08     [ ~( member( X, 'universal_class' ) ), ~( =( 'unordered_pair'( Y, X ), 
% 0.43/1.08    'null_class' ) ) ],
% 0.43/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), ~( =( 
% 0.43/1.08    'unordered_pair'( X, Y ), 'null_class' ) ) ],
% 2.24/2.52     [ ~( member( X, Y ) ), ~( member( Z, Y ) ), subclass( 'unordered_pair'( 
% 2.24/2.52    X, Z ), Y ) ],
% 2.24/2.52     [ member( singleton( X ), 'universal_class' ) ],
% 2.24/2.52     [ member( singleton( X ), 'unordered_pair'( Y, singleton( X ) ) ) ],
% 2.24/2.52     [ ~( member( X, 'universal_class' ) ), member( X, singleton( X ) ) ]
% 2.24/2.52    ,
% 2.24/2.52     [ ~( member( X, 'universal_class' ) ), ~( =( singleton( X ), 
% 2.24/2.52    'null_class' ) ) ],
% 2.24/2.52     [ member( 'null_class', singleton( 'null_class' ) ) ],
% 2.24/2.52     [ member( y, singleton( x ) ) ],
% 2.24/2.52     [ ~( =( y, x ) ) ]
% 2.24/2.52  ] .
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  percentage equality = 0.234818, percentage horn = 0.880952
% 2.24/2.52  This is a problem with some equality
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Options Used:
% 2.24/2.52  
% 2.24/2.52  useres =            1
% 2.24/2.52  useparamod =        1
% 2.24/2.52  useeqrefl =         1
% 2.24/2.52  useeqfact =         1
% 2.24/2.52  usefactor =         1
% 2.24/2.52  usesimpsplitting =  0
% 2.24/2.52  usesimpdemod =      5
% 2.24/2.52  usesimpres =        3
% 2.24/2.52  
% 2.24/2.52  resimpinuse      =  1000
% 2.24/2.52  resimpclauses =     20000
% 2.24/2.52  substype =          eqrewr
% 2.24/2.52  backwardsubs =      1
% 2.24/2.52  selectoldest =      5
% 2.24/2.52  
% 2.24/2.52  litorderings [0] =  split
% 2.24/2.52  litorderings [1] =  extend the termordering, first sorting on arguments
% 2.24/2.52  
% 2.24/2.52  termordering =      kbo
% 2.24/2.52  
% 2.24/2.52  litapriori =        0
% 2.24/2.52  termapriori =       1
% 2.24/2.52  litaposteriori =    0
% 2.24/2.52  termaposteriori =   0
% 2.24/2.52  demodaposteriori =  0
% 2.24/2.52  ordereqreflfact =   0
% 2.24/2.52  
% 2.24/2.52  litselect =         negord
% 2.24/2.52  
% 2.24/2.52  maxweight =         15
% 2.24/2.52  maxdepth =          30000
% 2.24/2.52  maxlength =         115
% 2.24/2.52  maxnrvars =         195
% 2.24/2.52  excuselevel =       1
% 2.24/2.52  increasemaxweight = 1
% 2.24/2.52  
% 2.24/2.52  maxselected =       10000000
% 2.24/2.52  maxnrclauses =      10000000
% 2.24/2.52  
% 2.24/2.52  showgenerated =    0
% 2.24/2.52  showkept =         0
% 2.24/2.52  showselected =     0
% 2.24/2.52  showdeleted =      0
% 2.24/2.52  showresimp =       1
% 2.24/2.52  showstatus =       2000
% 2.24/2.52  
% 2.24/2.52  prologoutput =     1
% 2.24/2.52  nrgoals =          5000000
% 2.24/2.52  totalproof =       1
% 2.24/2.52  
% 2.24/2.52  Symbols occurring in the translation:
% 2.24/2.52  
% 2.24/2.52  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 2.24/2.52  .  [1, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 2.24/2.52  !  [4, 1]      (w:0, o:31, a:1, s:1, b:0), 
% 2.24/2.52  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.24/2.52  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.24/2.52  subclass  [41, 2]      (w:1, o:81, a:1, s:1, b:0), 
% 2.24/2.52  member  [43, 2]      (w:1, o:82, a:1, s:1, b:0), 
% 2.24/2.52  'not_subclass_element'  [44, 2]      (w:1, o:83, a:1, s:1, b:0), 
% 2.24/2.52  'universal_class'  [45, 0]      (w:1, o:21, a:1, s:1, b:0), 
% 2.24/2.52  'unordered_pair'  [46, 2]      (w:1, o:84, a:1, s:1, b:0), 
% 2.24/2.52  singleton  [47, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 2.24/2.52  'ordered_pair'  [48, 2]      (w:1, o:85, a:1, s:1, b:0), 
% 2.24/2.52  'cross_product'  [50, 2]      (w:1, o:86, a:1, s:1, b:0), 
% 2.24/2.52  first  [52, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 2.24/2.52  second  [53, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 2.24/2.52  'element_relation'  [54, 0]      (w:1, o:25, a:1, s:1, b:0), 
% 2.24/2.52  intersection  [55, 2]      (w:1, o:88, a:1, s:1, b:0), 
% 2.24/2.52  complement  [56, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 2.24/2.52  union  [57, 2]      (w:1, o:89, a:1, s:1, b:0), 
% 2.24/2.52  'symmetric_difference'  [58, 2]      (w:1, o:90, a:1, s:1, b:0), 
% 2.24/2.52  restrict  [60, 3]      (w:1, o:93, a:1, s:1, b:0), 
% 2.24/2.52  'null_class'  [61, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 2.24/2.52  'domain_of'  [62, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 2.24/2.52  rotate  [63, 1]      (w:1, o:36, a:1, s:1, b:0), 
% 2.24/2.52  flip  [65, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 2.24/2.52  inverse  [66, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 2.24/2.52  'range_of'  [67, 1]      (w:1, o:37, a:1, s:1, b:0), 
% 2.24/2.52  domain  [68, 3]      (w:1, o:95, a:1, s:1, b:0), 
% 2.24/2.52  range  [69, 3]      (w:1, o:96, a:1, s:1, b:0), 
% 2.24/2.52  image  [70, 2]      (w:1, o:87, a:1, s:1, b:0), 
% 2.24/2.52  successor  [71, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 2.24/2.52  'successor_relation'  [72, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 2.24/2.52  inductive  [73, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 2.24/2.52  omega  [74, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 2.24/2.52  'sum_class'  [75, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 2.24/2.52  'power_class'  [76, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 2.24/2.52  compose  [78, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 2.24/2.52  'single_valued_class'  [79, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 2.24/2.52  'identity_relation'  [80, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 2.24/2.52  function  [82, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 2.24/2.52  regular  [83, 1]      (w:1, o:38, a:1, s:1, b:0), 
% 2.24/2.52  apply  [84, 2]      (w:1, o:92, a:1, s:1, b:0), 
% 2.24/2.52  choice  [85, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 2.24/2.52  'one_to_one'  [86, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 2.24/2.52  'subset_relation'  [87, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 2.24/2.52  diagonalise  [88, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 2.24/2.52  cantor  [89, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 2.24/2.52  operation  [90, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 2.24/2.52  compatible  [94, 3]      (w:1, o:94, a:1, s:1, b:0), 
% 2.24/2.52  homomorphism  [95, 3]      (w:1, o:97, a:1, s:1, b:0), 
% 2.24/2.52  'not_homomorphism1'  [96, 3]      (w:1, o:98, a:1, s:1, b:0), 
% 2.24/2.52  'not_homomorphism2'  [97, 3]      (w:1, o:99, a:1, s:1, b:0), 
% 2.24/2.52  y  [98, 0]      (w:1, o:30, a:1, s:1, b:0), 
% 2.24/2.52  x  [99, 0]      (w:1, o:29, a:1, s:1, b:0).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Starting Search:
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Intermediate Status:
% 2.24/2.52  Generated:    3989
% 2.24/2.52  Kept:         2008
% 2.24/2.52  Inuse:        120
% 2.24/2.52  Deleted:      6
% 2.24/2.52  Deletedinuse: 2
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Intermediate Status:
% 2.24/2.52  Generated:    10080
% 2.24/2.52  Kept:         4156
% 2.24/2.52  Inuse:        197
% 2.24/2.52  Deleted:      8
% 2.24/2.52  Deletedinuse: 4
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Intermediate Status:
% 2.24/2.52  Generated:    15477
% 2.24/2.52  Kept:         6300
% 2.24/2.52  Inuse:        275
% 2.24/2.52  Deleted:      47
% 2.24/2.52  Deletedinuse: 36
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Intermediate Status:
% 2.24/2.52  Generated:    21699
% 2.24/2.52  Kept:         8318
% 2.24/2.52  Inuse:        356
% 2.24/2.52  Deleted:      62
% 2.24/2.52  Deletedinuse: 43
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Intermediate Status:
% 2.24/2.52  Generated:    28245
% 2.24/2.52  Kept:         10513
% 2.24/2.52  Inuse:        389
% 2.24/2.52  Deleted:      79
% 2.24/2.52  Deletedinuse: 57
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Intermediate Status:
% 2.24/2.52  Generated:    38137
% 2.24/2.52  Kept:         12886
% 2.24/2.52  Inuse:        438
% 2.24/2.52  Deleted:      81
% 2.24/2.52  Deletedinuse: 58
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  Resimplifying inuse:
% 2.24/2.52  Done
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  Bliksems!, er is een bewijs:
% 2.24/2.52  % SZS status Unsatisfiable
% 2.24/2.52  % SZS output start Refutation
% 2.24/2.52  
% 2.24/2.52  clause( 4, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 5, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 6, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z
% 2.24/2.52     ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 10, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 122, [ member( y, singleton( x ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 123, [ ~( =( y, x ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 124, [ =( X, Y ), ~( member( X, singleton( Y ) ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 160, [ =( X, Y ), ~( =( Y, X ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 494, [ member( X, singleton( x ) ), ~( =( X, y ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 504, [ ~( =( X, x ) ), ~( =( X, y ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 14897, [ ~( =( X, y ) ) ] )
% 2.24/2.52  .
% 2.24/2.52  clause( 16404, [] )
% 2.24/2.52  .
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  % SZS output end Refutation
% 2.24/2.52  found a proof!
% 2.24/2.52  
% 2.24/2.52  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.24/2.52  
% 2.24/2.52  initialclauses(
% 2.24/2.52  [ clause( 16406, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y
% 2.24/2.52     ) ] )
% 2.24/2.52  , clause( 16407, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 2.24/2.52    , Y ) ] )
% 2.24/2.52  , clause( 16408, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 2.24/2.52    subclass( X, Y ) ] )
% 2.24/2.52  , clause( 16409, [ subclass( X, 'universal_class' ) ] )
% 2.24/2.52  , clause( 16410, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.24/2.52  , clause( 16411, [ ~( =( X, Y ) ), subclass( Y, X ) ] )
% 2.24/2.52  , clause( 16412, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y )
% 2.24/2.52     ] )
% 2.24/2.52  , clause( 16413, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 2.24/2.52    =( X, Z ) ] )
% 2.24/2.52  , clause( 16414, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.24/2.52    'unordered_pair'( X, Y ) ) ] )
% 2.24/2.52  , clause( 16415, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.24/2.52    'unordered_pair'( Y, X ) ) ] )
% 2.24/2.52  , clause( 16416, [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16417, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 2.24/2.52  , clause( 16418, [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X
% 2.24/2.52    , singleton( Y ) ) ), 'ordered_pair'( X, Y ) ) ] )
% 2.24/2.52  , clause( 16419, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.24/2.52     ) ) ), member( X, Z ) ] )
% 2.24/2.52  , clause( 16420, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.24/2.52     ) ) ), member( Y, T ) ] )
% 2.24/2.52  , clause( 16421, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 2.24/2.52    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 2.24/2.52  , clause( 16422, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 2.24/2.52    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 2.24/2.52  , clause( 16423, [ subclass( 'element_relation', 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ) ) ] )
% 2.24/2.52  , clause( 16424, [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' )
% 2.24/2.52     ), member( X, Y ) ] )
% 2.24/2.52  , clause( 16425, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ) ) ), ~( member( X, Y ) ), member( 
% 2.24/2.52    'ordered_pair'( X, Y ), 'element_relation' ) ] )
% 2.24/2.52  , clause( 16426, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16427, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16428, [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, 
% 2.24/2.52    intersection( Y, Z ) ) ] )
% 2.24/2.52  , clause( 16429, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16430, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.24/2.52    complement( Y ) ), member( X, Y ) ] )
% 2.24/2.52  , clause( 16431, [ =( complement( intersection( complement( X ), complement( 
% 2.24/2.52    Y ) ) ), union( X, Y ) ) ] )
% 2.24/2.52  , clause( 16432, [ =( intersection( complement( intersection( X, Y ) ), 
% 2.24/2.52    complement( intersection( complement( X ), complement( Y ) ) ) ), 
% 2.24/2.52    'symmetric_difference'( X, Y ) ) ] )
% 2.24/2.52  , clause( 16433, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( 
% 2.24/2.52    X, Y, Z ) ) ] )
% 2.24/2.52  , clause( 16434, [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( 
% 2.24/2.52    Z, X, Y ) ) ] )
% 2.24/2.52  , clause( 16435, [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 
% 2.24/2.52    'null_class' ) ), ~( member( Y, 'domain_of'( X ) ) ) ] )
% 2.24/2.52  , clause( 16436, [ ~( member( X, 'universal_class' ) ), =( restrict( Y, 
% 2.24/2.52    singleton( X ), 'universal_class' ), 'null_class' ), member( X, 
% 2.24/2.52    'domain_of'( Y ) ) ] )
% 2.24/2.52  , clause( 16437, [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 2.24/2.52  , clause( 16438, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.24/2.52    rotate( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T )
% 2.24/2.52     ] )
% 2.24/2.52  , clause( 16439, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.24/2.52    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 
% 2.24/2.52    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 2.24/2.52    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X )
% 2.24/2.52    , Y ), rotate( T ) ) ] )
% 2.24/2.52  , clause( 16440, [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 2.24/2.52  , clause( 16441, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.24/2.52    flip( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16442, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.24/2.52    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 
% 2.24/2.52    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 2.24/2.52    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X )
% 2.24/2.52    , Z ), flip( T ) ) ] )
% 2.24/2.52  , clause( 16443, [ =( 'domain_of'( flip( 'cross_product'( X, 
% 2.24/2.52    'universal_class' ) ) ), inverse( X ) ) ] )
% 2.24/2.52  , clause( 16444, [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ] )
% 2.24/2.52  , clause( 16445, [ =( first( 'not_subclass_element'( restrict( X, Y, 
% 2.24/2.52    singleton( Z ) ), 'null_class' ) ), domain( X, Y, Z ) ) ] )
% 2.24/2.52  , clause( 16446, [ =( second( 'not_subclass_element'( restrict( X, 
% 2.24/2.52    singleton( Y ), Z ), 'null_class' ) ), range( X, Y, Z ) ) ] )
% 2.24/2.52  , clause( 16447, [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), 
% 2.24/2.52    image( X, Y ) ) ] )
% 2.24/2.52  , clause( 16448, [ =( union( X, singleton( X ) ), successor( X ) ) ] )
% 2.24/2.52  , clause( 16449, [ subclass( 'successor_relation', 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ) ) ] )
% 2.24/2.52  , clause( 16450, [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation'
% 2.24/2.52     ) ), =( successor( X ), Y ) ] )
% 2.24/2.52  , clause( 16451, [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( 
% 2.24/2.52    X, Y ), 'cross_product'( 'universal_class', 'universal_class' ) ) ), 
% 2.24/2.52    member( 'ordered_pair'( X, Y ), 'successor_relation' ) ] )
% 2.24/2.52  , clause( 16452, [ ~( inductive( X ) ), member( 'null_class', X ) ] )
% 2.24/2.52  , clause( 16453, [ ~( inductive( X ) ), subclass( image( 
% 2.24/2.52    'successor_relation', X ), X ) ] )
% 2.24/2.52  , clause( 16454, [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 2.24/2.52    'successor_relation', X ), X ) ), inductive( X ) ] )
% 2.24/2.52  , clause( 16455, [ inductive( omega ) ] )
% 2.24/2.52  , clause( 16456, [ ~( inductive( X ) ), subclass( omega, X ) ] )
% 2.24/2.52  , clause( 16457, [ member( omega, 'universal_class' ) ] )
% 2.24/2.52  , clause( 16458, [ =( 'domain_of'( restrict( 'element_relation', 
% 2.24/2.52    'universal_class', X ) ), 'sum_class'( X ) ) ] )
% 2.24/2.52  , clause( 16459, [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( 
% 2.24/2.52    X ), 'universal_class' ) ] )
% 2.24/2.52  , clause( 16460, [ =( complement( image( 'element_relation', complement( X
% 2.24/2.52     ) ) ), 'power_class'( X ) ) ] )
% 2.24/2.52  , clause( 16461, [ ~( member( X, 'universal_class' ) ), member( 
% 2.24/2.52    'power_class'( X ), 'universal_class' ) ] )
% 2.24/2.52  , clause( 16462, [ subclass( compose( X, Y ), 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ) ) ] )
% 2.24/2.52  , clause( 16463, [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), 
% 2.24/2.52    member( Y, image( Z, image( T, singleton( X ) ) ) ) ] )
% 2.24/2.52  , clause( 16464, [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) )
% 2.24/2.52    , ~( member( 'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 2.24/2.52    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 2.24/2.52     ) ] )
% 2.24/2.52  , clause( 16465, [ ~( 'single_valued_class'( X ) ), subclass( compose( X, 
% 2.24/2.52    inverse( X ) ), 'identity_relation' ) ] )
% 2.24/2.52  , clause( 16466, [ ~( subclass( compose( X, inverse( X ) ), 
% 2.24/2.52    'identity_relation' ) ), 'single_valued_class'( X ) ] )
% 2.24/2.52  , clause( 16467, [ ~( function( X ) ), subclass( X, 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ) ) ] )
% 2.24/2.52  , clause( 16468, [ ~( function( X ) ), subclass( compose( X, inverse( X ) )
% 2.24/2.52    , 'identity_relation' ) ] )
% 2.24/2.52  , clause( 16469, [ ~( subclass( X, 'cross_product'( 'universal_class', 
% 2.24/2.52    'universal_class' ) ) ), ~( subclass( compose( X, inverse( X ) ), 
% 2.24/2.52    'identity_relation' ) ), function( X ) ] )
% 2.24/2.52  , clause( 16470, [ ~( function( X ) ), ~( member( Y, 'universal_class' ) )
% 2.24/2.52    , member( image( X, Y ), 'universal_class' ) ] )
% 2.24/2.52  , clause( 16471, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 2.24/2.52  , clause( 16472, [ =( X, 'null_class' ), =( intersection( X, regular( X ) )
% 2.24/2.52    , 'null_class' ) ] )
% 2.24/2.52  , clause( 16473, [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, 
% 2.24/2.52    Y ) ) ] )
% 2.24/2.52  , clause( 16474, [ function( choice ) ] )
% 2.24/2.52  , clause( 16475, [ ~( member( X, 'universal_class' ) ), =( X, 'null_class'
% 2.24/2.52     ), member( apply( choice, X ), X ) ] )
% 2.24/2.52  , clause( 16476, [ ~( 'one_to_one'( X ) ), function( X ) ] )
% 2.24/2.52  , clause( 16477, [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ] )
% 2.24/2.52  , clause( 16478, [ ~( function( inverse( X ) ) ), ~( function( X ) ), 
% 2.24/2.52    'one_to_one'( X ) ] )
% 2.24/2.52  , clause( 16479, [ =( intersection( 'cross_product'( 'universal_class', 
% 2.24/2.52    'universal_class' ), intersection( 'cross_product'( 'universal_class', 
% 2.24/2.52    'universal_class' ), complement( compose( complement( 'element_relation'
% 2.24/2.52     ), inverse( 'element_relation' ) ) ) ) ), 'subset_relation' ) ] )
% 2.24/2.52  , clause( 16480, [ =( intersection( inverse( 'subset_relation' ), 
% 2.24/2.52    'subset_relation' ), 'identity_relation' ) ] )
% 2.24/2.52  , clause( 16481, [ =( complement( 'domain_of'( intersection( X, 
% 2.24/2.52    'identity_relation' ) ) ), diagonalise( X ) ) ] )
% 2.24/2.52  , clause( 16482, [ =( intersection( 'domain_of'( X ), diagonalise( compose( 
% 2.24/2.52    inverse( 'element_relation' ), X ) ) ), cantor( X ) ) ] )
% 2.24/2.52  , clause( 16483, [ ~( operation( X ) ), function( X ) ] )
% 2.24/2.52  , clause( 16484, [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 
% 2.24/2.52    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 2.24/2.52     ] )
% 2.24/2.52  , clause( 16485, [ ~( operation( X ) ), subclass( 'range_of'( X ), 
% 2.24/2.52    'domain_of'( 'domain_of'( X ) ) ) ] )
% 2.24/2.52  , clause( 16486, [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 
% 2.24/2.52    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 2.24/2.52     ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), 
% 2.24/2.52    operation( X ) ] )
% 2.24/2.52  , clause( 16487, [ ~( compatible( X, Y, Z ) ), function( X ) ] )
% 2.24/2.52  , clause( 16488, [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( 
% 2.24/2.52    Y ) ), 'domain_of'( X ) ) ] )
% 2.24/2.52  , clause( 16489, [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 
% 2.24/2.52    'domain_of'( 'domain_of'( Z ) ) ) ] )
% 2.24/2.52  , clause( 16490, [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y )
% 2.24/2.52     ), 'domain_of'( X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 
% 2.24/2.52    'domain_of'( Z ) ) ) ), compatible( X, Y, Z ) ] )
% 2.24/2.52  , clause( 16491, [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ] )
% 2.24/2.52  , clause( 16492, [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ] )
% 2.24/2.52  , clause( 16493, [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ] )
% 2.24/2.52  , clause( 16494, [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( 
% 2.24/2.52    T, U ), 'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T )
% 2.24/2.52    , apply( X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16495, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 2.24/2.52    Z, X, Y ) ), member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 2.24/2.52    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 2.24/2.52    , Y ) ] )
% 2.24/2.52  , clause( 16496, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 2.24/2.52    Z, X, Y ) ), ~( =( apply( Y, 'ordered_pair'( apply( Z, 
% 2.24/2.52    'not_homomorphism1'( Z, X, Y ) ), apply( Z, 'not_homomorphism2'( Z, X, Y
% 2.24/2.52     ) ) ) ), apply( Z, apply( X, 'ordered_pair'( 'not_homomorphism1'( Z, X, 
% 2.24/2.52    Y ), 'not_homomorphism2'( Z, X, Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16497, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.24/2.52     ) ) ), member( X, 'unordered_pair'( X, Y ) ) ] )
% 2.24/2.52  , clause( 16498, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.24/2.52     ) ) ), member( Y, 'unordered_pair'( X, Y ) ) ] )
% 2.24/2.52  , clause( 16499, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.24/2.52     ) ) ), member( X, 'universal_class' ) ] )
% 2.24/2.52  , clause( 16500, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.24/2.52     ) ) ), member( Y, 'universal_class' ) ] )
% 2.24/2.52  , clause( 16501, [ subclass( X, X ) ] )
% 2.24/2.52  , clause( 16502, [ ~( subclass( X, Y ) ), ~( subclass( Y, Z ) ), subclass( 
% 2.24/2.52    X, Z ) ] )
% 2.24/2.52  , clause( 16503, [ =( X, Y ), member( 'not_subclass_element'( X, Y ), X ), 
% 2.24/2.52    member( 'not_subclass_element'( Y, X ), Y ) ] )
% 2.24/2.52  , clause( 16504, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( X, 
% 2.24/2.52    Y ), member( 'not_subclass_element'( Y, X ), Y ) ] )
% 2.24/2.52  , clause( 16505, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( Y, 
% 2.24/2.52    X ), member( 'not_subclass_element'( Y, X ), Y ) ] )
% 2.24/2.52  , clause( 16506, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), ~( 
% 2.24/2.52    member( 'not_subclass_element'( Y, X ), X ) ), =( X, Y ) ] )
% 2.24/2.52  , clause( 16507, [ ~( member( X, intersection( complement( Y ), Y ) ) ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16508, [ ~( member( X, 'null_class' ) ) ] )
% 2.24/2.52  , clause( 16509, [ subclass( 'null_class', X ) ] )
% 2.24/2.52  , clause( 16510, [ ~( subclass( X, 'null_class' ) ), =( X, 'null_class' ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16511, [ =( X, 'null_class' ), member( 'not_subclass_element'( X
% 2.24/2.52    , 'null_class' ), X ) ] )
% 2.24/2.52  , clause( 16512, [ member( 'null_class', 'universal_class' ) ] )
% 2.24/2.52  , clause( 16513, [ =( 'unordered_pair'( X, Y ), 'unordered_pair'( Y, X ) )
% 2.24/2.52     ] )
% 2.24/2.52  , clause( 16514, [ subclass( singleton( X ), 'unordered_pair'( X, Y ) ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16515, [ subclass( singleton( X ), 'unordered_pair'( Y, X ) ) ]
% 2.24/2.52     )
% 2.24/2.52  , clause( 16516, [ member( X, 'universal_class' ), =( 'unordered_pair'( Y, 
% 2.24/2.52    X ), singleton( Y ) ) ] )
% 2.24/2.52  , clause( 16517, [ member( X, 'universal_class' ), =( 'unordered_pair'( X, 
% 2.24/2.52    Y ), singleton( Y ) ) ] )
% 2.24/2.52  , clause( 16518, [ =( 'unordered_pair'( X, Y ), 'null_class' ), member( X, 
% 2.24/2.52    'universal_class' ), member( Y, 'universal_class' ) ] )
% 2.24/2.52  , clause( 16519, [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( X, Z )
% 2.24/2.52     ) ), ~( member( 'ordered_pair'( Y, Z ), 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ) ) ), =( Y, Z ) ] )
% 2.24/2.52  , clause( 16520, [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( Z, Y )
% 2.24/2.52     ) ), ~( member( 'ordered_pair'( X, Z ), 'cross_product'( 
% 2.24/2.52    'universal_class', 'universal_class' ) ) ), =( X, Z ) ] )
% 2.24/2.52  , clause( 16521, [ ~( member( X, 'universal_class' ) ), ~( =( 
% 2.24/2.52    'unordered_pair'( X, Y ), 'null_class' ) ) ] )
% 2.24/2.52  , clause( 16522, [ ~( member( X, 'universal_class' ) ), ~( =( 
% 2.24/2.52    'unordered_pair'( Y, X ), 'null_class' ) ) ] )
% 2.24/2.52  , clause( 16523, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.24/2.52     ) ) ), ~( =( 'unordered_pair'( X, Y ), 'null_class' ) ) ] )
% 2.24/2.52  , clause( 16524, [ ~( member( X, Y ) ), ~( member( Z, Y ) ), subclass( 
% 2.24/2.52    'unordered_pair'( X, Z ), Y ) ] )
% 2.24/2.52  , clause( 16525, [ member( singleton( X ), 'universal_class' ) ] )
% 2.24/2.52  , clause( 16526, [ member( singleton( X ), 'unordered_pair'( Y, singleton( 
% 2.24/2.52    X ) ) ) ] )
% 2.24/2.52  , clause( 16527, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.24/2.52    singleton( X ) ) ] )
% 2.24/2.52  , clause( 16528, [ ~( member( X, 'universal_class' ) ), ~( =( singleton( X
% 2.24/2.52     ), 'null_class' ) ) ] )
% 2.24/2.52  , clause( 16529, [ member( 'null_class', singleton( 'null_class' ) ) ] )
% 2.24/2.52  , clause( 16530, [ member( y, singleton( x ) ) ] )
% 2.24/2.52  , clause( 16531, [ ~( =( y, x ) ) ] )
% 2.24/2.52  ] ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 4, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.24/2.52  , clause( 16410, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.24/2.52  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.24/2.52     ), ==>( 1, 1 )] ) ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 5, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ] )
% 2.24/2.52  , clause( 16412, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y )
% 2.24/2.52     ] )
% 2.24/2.52  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.24/2.52     ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 6, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z
% 2.24/2.52     ) ] )
% 2.24/2.52  , clause( 16413, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 2.24/2.52    =( X, Z ) ] )
% 2.24/2.52  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.24/2.52    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 10, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 2.24/2.52  , clause( 16417, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 2.24/2.52  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 122, [ member( y, singleton( x ) ) ] )
% 2.24/2.52  , clause( 16530, [ member( y, singleton( x ) ) ] )
% 2.24/2.52  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 123, [ ~( =( y, x ) ) ] )
% 2.24/2.52  , clause( 16531, [ ~( =( y, x ) ) ] )
% 2.24/2.52  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  factor(
% 2.24/2.52  clause( 16706, [ ~( member( X, 'unordered_pair'( Y, Y ) ) ), =( X, Y ) ] )
% 2.24/2.52  , clause( 6, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X
% 2.24/2.52    , Z ) ] )
% 2.24/2.52  , 1, 2, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Y )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  paramod(
% 2.24/2.52  clause( 16707, [ ~( member( X, singleton( Y ) ) ), =( X, Y ) ] )
% 2.24/2.52  , clause( 10, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 2.24/2.52  , 0, clause( 16706, [ ~( member( X, 'unordered_pair'( Y, Y ) ) ), =( X, Y )
% 2.24/2.52     ] )
% 2.24/2.52  , 0, 3, substitution( 0, [ :=( X, Y )] ), substitution( 1, [ :=( X, X ), 
% 2.24/2.52    :=( Y, Y )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 124, [ =( X, Y ), ~( member( X, singleton( Y ) ) ) ] )
% 2.24/2.52  , clause( 16707, [ ~( member( X, singleton( Y ) ) ), =( X, Y ) ] )
% 2.24/2.52  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 2.24/2.52     ), ==>( 1, 0 )] ) ).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  eqswap(
% 2.24/2.52  clause( 16709, [ ~( =( Y, X ) ), subclass( X, Y ) ] )
% 2.24/2.52  , clause( 4, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.24/2.52  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  eqswap(
% 2.24/2.52  clause( 16710, [ ~( =( Y, X ) ), subclass( X, Y ) ] )
% 2.24/2.52  , clause( 4, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.24/2.52  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  resolution(
% 2.24/2.52  clause( 16711, [ ~( subclass( Y, X ) ), =( X, Y ), ~( =( Y, X ) ) ] )
% 2.24/2.52  , clause( 5, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ] )
% 2.24/2.52  , 0, clause( 16709, [ ~( =( Y, X ) ), subclass( X, Y ) ] )
% 2.24/2.52  , 1, substitution( 0, [ :=( X, X ), :=( Y, Y )] ), substitution( 1, [ :=( X
% 2.24/2.52    , X ), :=( Y, Y )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  resolution(
% 2.24/2.52  clause( 16713, [ =( Y, X ), ~( =( X, Y ) ), ~( =( Y, X ) ) ] )
% 2.24/2.52  , clause( 16711, [ ~( subclass( Y, X ) ), =( X, Y ), ~( =( Y, X ) ) ] )
% 2.24/2.52  , 0, clause( 16710, [ ~( =( Y, X ) ), subclass( X, Y ) ] )
% 2.24/2.52  , 1, substitution( 0, [ :=( X, Y ), :=( Y, X )] ), substitution( 1, [ :=( X
% 2.24/2.52    , X ), :=( Y, Y )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  eqswap(
% 2.24/2.52  clause( 16715, [ ~( =( Y, X ) ), =( X, Y ), ~( =( Y, X ) ) ] )
% 2.24/2.52  , clause( 16713, [ =( Y, X ), ~( =( X, Y ) ), ~( =( Y, X ) ) ] )
% 2.24/2.52  , 2, substitution( 0, [ :=( X, Y ), :=( Y, X )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  factor(
% 2.24/2.52  clause( 16717, [ ~( =( X, Y ) ), =( Y, X ) ] )
% 2.24/2.52  , clause( 16715, [ ~( =( Y, X ) ), =( X, Y ), ~( =( Y, X ) ) ] )
% 2.24/2.52  , 0, 2, substitution( 0, [ :=( X, Y ), :=( Y, X )] )).
% 2.24/2.52  
% 2.24/2.52  
% 2.24/2.52  subsumption(
% 2.24/2.52  clause( 160, Cputime limit exceeded (core dumped)
%------------------------------------------------------------------------------