TSTP Solution File: SET080-7 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET080-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n025.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 22:46:42 EDT 2022

% Result   : Unsatisfiable 0.71s 1.12s
% Output   : Refutation 0.71s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET080-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.11/0.13  % Command  : bliksem %s
% 0.12/0.33  % Computer : n025.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 22:51:16 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.71/1.11  *** allocated 10000 integers for termspace/termends
% 0.71/1.11  *** allocated 10000 integers for clauses
% 0.71/1.11  *** allocated 10000 integers for justifications
% 0.71/1.11  Bliksem 1.12
% 0.71/1.11  
% 0.71/1.11  
% 0.71/1.11  Automatic Strategy Selection
% 0.71/1.11  
% 0.71/1.11  Clauses:
% 0.71/1.11  [
% 0.71/1.11     [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.71/1.11     [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y ) ],
% 0.71/1.11     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X, Y ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ subclass( X, 'universal_class' ) ],
% 0.71/1.11     [ ~( =( X, Y ) ), subclass( X, Y ) ],
% 0.71/1.11     [ ~( =( X, Y ) ), subclass( Y, X ) ],
% 0.71/1.11     [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ],
% 0.71/1.11     [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( X, Y
% 0.71/1.11     ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( Y, X
% 0.71/1.11     ) ) ],
% 0.71/1.11     [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ],
% 0.71/1.11     [ =( 'unordered_pair'( X, X ), singleton( X ) ) ],
% 0.71/1.11     [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, singleton( Y
% 0.71/1.11     ) ) ), 'ordered_pair'( X, Y ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    X, Z ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    Y, T ) ],
% 0.71/1.11     [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 'ordered_pair'( X, Z
% 0.71/1.11     ), 'cross_product'( Y, T ) ) ],
% 0.71/1.11     [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( first( X
% 0.71/1.11     ), second( X ) ), X ) ],
% 0.71/1.11     [ subclass( 'element_relation', 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) ), member( X, 
% 0.71/1.11    Y ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.71/1.11    , 'universal_class' ) ) ), ~( member( X, Y ) ), member( 'ordered_pair'( X
% 0.71/1.11    , Y ), 'element_relation' ) ],
% 0.71/1.11     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.71/1.11     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.71/1.11     [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, intersection( Y, 
% 0.71/1.11    Z ) ) ],
% 0.71/1.11     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( X, complement( Y ) ), 
% 0.71/1.11    member( X, Y ) ],
% 0.71/1.11     [ =( complement( intersection( complement( X ), complement( Y ) ) ), 
% 0.71/1.11    union( X, Y ) ) ],
% 0.71/1.11     [ =( intersection( complement( intersection( X, Y ) ), complement( 
% 0.71/1.11    intersection( complement( X ), complement( Y ) ) ) ), 
% 0.71/1.11    'symmetric_difference'( X, Y ) ) ],
% 0.71/1.11     [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y, Z ) ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z, X, Y ) ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 'null_class' )
% 0.71/1.11     ), ~( member( Y, 'domain_of'( X ) ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), =( restrict( Y, singleton( X ), 
% 0.71/1.11    'universal_class' ), 'null_class' ), member( X, 'domain_of'( Y ) ) ],
% 0.71/1.11     [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.71/1.11    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), rotate( T ) )
% 0.71/1.11     ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.71/1.11    member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 'cross_product'( 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.71/1.11    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X ), 
% 0.71/1.11    Y ), rotate( T ) ) ],
% 0.71/1.11     [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.71/1.11    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), flip( T ) ) )
% 0.71/1.11    , member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.71/1.11    member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 'cross_product'( 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.71/1.11    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), 
% 0.71/1.11    Z ), flip( T ) ) ],
% 0.71/1.11     [ =( 'domain_of'( flip( 'cross_product'( X, 'universal_class' ) ) ), 
% 0.71/1.11    inverse( X ) ) ],
% 0.71/1.11     [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ],
% 0.71/1.11     [ =( first( 'not_subclass_element'( restrict( X, Y, singleton( Z ) ), 
% 0.71/1.11    'null_class' ) ), domain( X, Y, Z ) ) ],
% 0.71/1.11     [ =( second( 'not_subclass_element'( restrict( X, singleton( Y ), Z ), 
% 0.71/1.11    'null_class' ) ), range( X, Y, Z ) ) ],
% 0.71/1.11     [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), image( X, Y ) )
% 0.71/1.11     ],
% 0.71/1.11     [ =( union( X, singleton( X ) ), successor( X ) ) ],
% 0.71/1.11     [ subclass( 'successor_relation', 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' ) ), =( 
% 0.71/1.11    successor( X ), Y ) ],
% 0.71/1.11     [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X, Y ), 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ) ) ), member( 
% 0.71/1.11    'ordered_pair'( X, Y ), 'successor_relation' ) ],
% 0.71/1.11     [ ~( inductive( X ) ), member( 'null_class', X ) ],
% 0.71/1.11     [ ~( inductive( X ) ), subclass( image( 'successor_relation', X ), X ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.71/1.11    'successor_relation', X ), X ) ), inductive( X ) ],
% 0.71/1.11     [ inductive( omega ) ],
% 0.71/1.11     [ ~( inductive( X ) ), subclass( omega, X ) ],
% 0.71/1.11     [ member( omega, 'universal_class' ) ],
% 0.71/1.11     [ =( 'domain_of'( restrict( 'element_relation', 'universal_class', X ) )
% 0.71/1.11    , 'sum_class'( X ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( X ), 
% 0.71/1.11    'universal_class' ) ],
% 0.71/1.11     [ =( complement( image( 'element_relation', complement( X ) ) ), 
% 0.71/1.11    'power_class'( X ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( 'power_class'( X ), 
% 0.71/1.11    'universal_class' ) ],
% 0.71/1.11     [ subclass( compose( X, Y ), 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), member( Y, 
% 0.71/1.11    image( Z, image( T, singleton( X ) ) ) ) ],
% 0.71/1.11     [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), ~( member( 
% 0.71/1.11    'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.71/1.11     ) ],
% 0.71/1.11     [ ~( 'single_valued_class'( X ) ), subclass( compose( X, inverse( X ) )
% 0.71/1.11    , 'identity_relation' ) ],
% 0.71/1.11     [ ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) ), 
% 0.71/1.11    'single_valued_class'( X ) ],
% 0.71/1.11     [ ~( function( X ) ), subclass( X, 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.71/1.11    'identity_relation' ) ],
% 0.71/1.11     [ ~( subclass( X, 'cross_product'( 'universal_class', 'universal_class'
% 0.71/1.11     ) ) ), ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) )
% 0.71/1.11    , function( X ) ],
% 0.71/1.11     [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), member( image( 
% 0.71/1.11    X, Y ), 'universal_class' ) ],
% 0.71/1.11     [ =( X, 'null_class' ), member( regular( X ), X ) ],
% 0.71/1.11     [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 'null_class'
% 0.71/1.11     ) ],
% 0.71/1.11     [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y ) ) ],
% 0.71/1.11     [ function( choice ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' ), member( 
% 0.71/1.11    apply( choice, X ), X ) ],
% 0.71/1.11     [ ~( 'one_to_one'( X ) ), function( X ) ],
% 0.71/1.11     [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ],
% 0.71/1.11     [ ~( function( inverse( X ) ) ), ~( function( X ) ), 'one_to_one'( X ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ =( intersection( 'cross_product'( 'universal_class', 'universal_class'
% 0.71/1.11     ), intersection( 'cross_product'( 'universal_class', 'universal_class' )
% 0.71/1.11    , complement( compose( complement( 'element_relation' ), inverse( 
% 0.71/1.11    'element_relation' ) ) ) ) ), 'subset_relation' ) ],
% 0.71/1.11     [ =( intersection( inverse( 'subset_relation' ), 'subset_relation' ), 
% 0.71/1.11    'identity_relation' ) ],
% 0.71/1.11     [ =( complement( 'domain_of'( intersection( X, 'identity_relation' ) ) )
% 0.71/1.11    , diagonalise( X ) ) ],
% 0.71/1.11     [ =( intersection( 'domain_of'( X ), diagonalise( compose( inverse( 
% 0.71/1.11    'element_relation' ), X ) ) ), cantor( X ) ) ],
% 0.71/1.11     [ ~( operation( X ) ), function( X ) ],
% 0.71/1.11     [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 'domain_of'( X )
% 0.71/1.11     ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ],
% 0.71/1.11     [ ~( operation( X ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.71/1.11    'domain_of'( X ) ) ) ],
% 0.71/1.11     [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 'domain_of'( X
% 0.71/1.11     ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ), ~( 
% 0.71/1.11    subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), operation( 
% 0.71/1.11    X ) ],
% 0.71/1.11     [ ~( compatible( X, Y, Z ) ), function( X ) ],
% 0.71/1.11     [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y ) ), 
% 0.71/1.11    'domain_of'( X ) ) ],
% 0.71/1.11     [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.71/1.11    'domain_of'( Z ) ) ) ],
% 0.71/1.11     [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) ), 'domain_of'( 
% 0.71/1.11    X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( Z ) ) )
% 0.71/1.11     ), compatible( X, Y, Z ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T, U ), 
% 0.71/1.11    'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), apply( 
% 0.71/1.11    X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ],
% 0.71/1.11     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.71/1.11    member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.71/1.11    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.71/1.11    , Y ) ],
% 0.71/1.11     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.71/1.11    ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( Z, X, Y )
% 0.71/1.11     ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, apply( X, 
% 0.71/1.11    'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 'not_homomorphism2'( Z, X
% 0.71/1.11    , Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    X, 'unordered_pair'( X, Y ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    Y, 'unordered_pair'( X, Y ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    X, 'universal_class' ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    Y, 'universal_class' ) ],
% 0.71/1.11     [ subclass( X, X ) ],
% 0.71/1.11     [ ~( subclass( X, Y ) ), ~( subclass( Y, Z ) ), subclass( X, Z ) ],
% 0.71/1.11     [ =( X, Y ), member( 'not_subclass_element'( X, Y ), X ), member( 
% 0.71/1.11    'not_subclass_element'( Y, X ), Y ) ],
% 0.71/1.11     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( X, Y ), member( 
% 0.71/1.11    'not_subclass_element'( Y, X ), Y ) ],
% 0.71/1.11     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( Y, X ), member( 
% 0.71/1.11    'not_subclass_element'( Y, X ), Y ) ],
% 0.71/1.11     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), ~( member( 
% 0.71/1.11    'not_subclass_element'( Y, X ), X ) ), =( X, Y ) ],
% 0.71/1.11     [ ~( member( X, intersection( complement( Y ), Y ) ) ) ],
% 0.71/1.11     [ ~( member( X, 'null_class' ) ) ],
% 0.71/1.11     [ subclass( 'null_class', X ) ],
% 0.71/1.11     [ ~( subclass( X, 'null_class' ) ), =( X, 'null_class' ) ],
% 0.71/1.11     [ =( X, 'null_class' ), member( 'not_subclass_element'( X, 'null_class'
% 0.71/1.11     ), X ) ],
% 0.71/1.11     [ member( 'null_class', 'universal_class' ) ],
% 0.71/1.11     [ =( 'unordered_pair'( X, Y ), 'unordered_pair'( Y, X ) ) ],
% 0.71/1.11     [ subclass( singleton( X ), 'unordered_pair'( X, Y ) ) ],
% 0.71/1.11     [ subclass( singleton( X ), 'unordered_pair'( Y, X ) ) ],
% 0.71/1.11     [ member( X, 'universal_class' ), =( 'unordered_pair'( Y, X ), singleton( 
% 0.71/1.11    Y ) ) ],
% 0.71/1.11     [ member( X, 'universal_class' ), =( 'unordered_pair'( X, Y ), singleton( 
% 0.71/1.11    Y ) ) ],
% 0.71/1.11     [ =( 'unordered_pair'( X, Y ), 'null_class' ), member( X, 
% 0.71/1.11    'universal_class' ), member( Y, 'universal_class' ) ],
% 0.71/1.11     [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( X, Z ) ) ), ~( 
% 0.71/1.11    member( 'ordered_pair'( Y, Z ), 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ), =( Y, Z ) ],
% 0.71/1.11     [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( Z, Y ) ) ), ~( 
% 0.71/1.11    member( 'ordered_pair'( X, Z ), 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ), =( X, Z ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), ~( =( 'unordered_pair'( X, Y ), 
% 0.71/1.11    'null_class' ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), ~( =( 'unordered_pair'( Y, X ), 
% 0.71/1.11    'null_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), ~( =( 
% 0.71/1.11    'unordered_pair'( X, Y ), 'null_class' ) ) ],
% 0.71/1.12     [ ~( member( X, Y ) ), ~( member( Z, Y ) ), subclass( 'unordered_pair'( 
% 0.71/1.12    X, Z ), Y ) ],
% 0.71/1.12     [ member( singleton( X ), 'universal_class' ) ],
% 0.71/1.12     [ member( singleton( X ), 'unordered_pair'( Y, singleton( X ) ) ) ],
% 0.71/1.12     [ ~( member( X, 'universal_class' ) ), member( X, singleton( X ) ) ]
% 0.71/1.12    ,
% 0.71/1.12     [ ~( member( X, 'universal_class' ) ), ~( =( singleton( X ), 
% 0.71/1.12    'null_class' ) ) ],
% 0.71/1.12     [ ~( member( 'null_class', singleton( 'null_class' ) ) ) ]
% 0.71/1.12  ] .
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  percentage equality = 0.232653, percentage horn = 0.879032
% 0.71/1.12  This is a problem with some equality
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  Options Used:
% 0.71/1.12  
% 0.71/1.12  useres =            1
% 0.71/1.12  useparamod =        1
% 0.71/1.12  useeqrefl =         1
% 0.71/1.12  useeqfact =         1
% 0.71/1.12  usefactor =         1
% 0.71/1.12  usesimpsplitting =  0
% 0.71/1.12  usesimpdemod =      5
% 0.71/1.12  usesimpres =        3
% 0.71/1.12  
% 0.71/1.12  resimpinuse      =  1000
% 0.71/1.12  resimpclauses =     20000
% 0.71/1.12  substype =          eqrewr
% 0.71/1.12  backwardsubs =      1
% 0.71/1.12  selectoldest =      5
% 0.71/1.12  
% 0.71/1.12  litorderings [0] =  split
% 0.71/1.12  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.71/1.12  
% 0.71/1.12  termordering =      kbo
% 0.71/1.12  
% 0.71/1.12  litapriori =        0
% 0.71/1.12  termapriori =       1
% 0.71/1.12  litaposteriori =    0
% 0.71/1.12  termaposteriori =   0
% 0.71/1.12  demodaposteriori =  0
% 0.71/1.12  ordereqreflfact =   0
% 0.71/1.12  
% 0.71/1.12  litselect =         negord
% 0.71/1.12  
% 0.71/1.12  maxweight =         15
% 0.71/1.12  maxdepth =          30000
% 0.71/1.12  maxlength =         115
% 0.71/1.12  maxnrvars =         195
% 0.71/1.12  excuselevel =       1
% 0.71/1.12  increasemaxweight = 1
% 0.71/1.12  
% 0.71/1.12  maxselected =       10000000
% 0.71/1.12  maxnrclauses =      10000000
% 0.71/1.12  
% 0.71/1.12  showgenerated =    0
% 0.71/1.12  showkept =         0
% 0.71/1.12  showselected =     0
% 0.71/1.12  showdeleted =      0
% 0.71/1.12  showresimp =       1
% 0.71/1.12  showstatus =       2000
% 0.71/1.12  
% 0.71/1.12  prologoutput =     1
% 0.71/1.12  nrgoals =          5000000
% 0.71/1.12  totalproof =       1
% 0.71/1.12  
% 0.71/1.12  Symbols occurring in the translation:
% 0.71/1.12  
% 0.71/1.12  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.71/1.12  .  [1, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.71/1.12  !  [4, 1]      (w:0, o:29, a:1, s:1, b:0), 
% 0.71/1.12  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.71/1.12  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.71/1.12  subclass  [41, 2]      (w:1, o:79, a:1, s:1, b:0), 
% 0.71/1.12  member  [43, 2]      (w:1, o:80, a:1, s:1, b:0), 
% 0.71/1.12  'not_subclass_element'  [44, 2]      (w:1, o:81, a:1, s:1, b:0), 
% 0.71/1.12  'universal_class'  [45, 0]      (w:1, o:21, a:1, s:1, b:0), 
% 0.71/1.12  'unordered_pair'  [46, 2]      (w:1, o:82, a:1, s:1, b:0), 
% 0.71/1.12  singleton  [47, 1]      (w:1, o:37, a:1, s:1, b:0), 
% 0.71/1.12  'ordered_pair'  [48, 2]      (w:1, o:83, a:1, s:1, b:0), 
% 0.71/1.12  'cross_product'  [50, 2]      (w:1, o:84, a:1, s:1, b:0), 
% 0.71/1.12  first  [52, 1]      (w:1, o:38, a:1, s:1, b:0), 
% 0.71/1.12  second  [53, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 0.71/1.12  'element_relation'  [54, 0]      (w:1, o:25, a:1, s:1, b:0), 
% 0.71/1.12  intersection  [55, 2]      (w:1, o:86, a:1, s:1, b:0), 
% 0.71/1.12  complement  [56, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 0.71/1.12  union  [57, 2]      (w:1, o:87, a:1, s:1, b:0), 
% 0.71/1.12  'symmetric_difference'  [58, 2]      (w:1, o:88, a:1, s:1, b:0), 
% 0.71/1.12  restrict  [60, 3]      (w:1, o:91, a:1, s:1, b:0), 
% 0.71/1.12  'null_class'  [61, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 0.71/1.12  'domain_of'  [62, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 0.71/1.12  rotate  [63, 1]      (w:1, o:34, a:1, s:1, b:0), 
% 0.71/1.12  flip  [65, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 0.71/1.12  inverse  [66, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 0.71/1.12  'range_of'  [67, 1]      (w:1, o:35, a:1, s:1, b:0), 
% 0.71/1.12  domain  [68, 3]      (w:1, o:93, a:1, s:1, b:0), 
% 0.71/1.12  range  [69, 3]      (w:1, o:94, a:1, s:1, b:0), 
% 0.71/1.12  image  [70, 2]      (w:1, o:85, a:1, s:1, b:0), 
% 0.71/1.12  successor  [71, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 0.71/1.12  'successor_relation'  [72, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 0.71/1.12  inductive  [73, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 0.71/1.12  omega  [74, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.71/1.12  'sum_class'  [75, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 0.71/1.12  'power_class'  [76, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 0.71/1.12  compose  [78, 2]      (w:1, o:89, a:1, s:1, b:0), 
% 0.71/1.12  'single_valued_class'  [79, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 0.71/1.12  'identity_relation'  [80, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 0.71/1.12  function  [82, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 0.71/1.12  regular  [83, 1]      (w:1, o:36, a:1, s:1, b:0), 
% 0.71/1.12  apply  [84, 2]      (w:1, o:90, a:1, s:1, b:0), 
% 0.71/1.12  choice  [85, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 0.71/1.12  'one_to_one'  [86, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 0.71/1.12  'subset_relation'  [87, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 0.71/1.12  diagonalise  [88, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 0.71/1.12  cantor  [89, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 0.71/1.12  operation  [90, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 0.71/1.12  compatible  [94, 3]      (w:1, o:92, a:1, s:1, b:0), 
% 0.71/1.12  homomorphism  [95, 3]      (w:1, o:95, a:1, s:1, b:0), 
% 0.71/1.12  'not_homomorphism1'  [96, 3]      (w:1, o:96, a:1, s:1, b:0), 
% 0.71/1.12  'not_homomorphism2'  [97, 3]      (w:1, o:97, a:1, s:1, b:0).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  Starting Search:
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  Bliksems!, er is een bewijs:
% 0.71/1.12  % SZS status Unsatisfiable
% 0.71/1.12  % SZS output start Refutation
% 0.71/1.12  
% 0.71/1.12  clause( 8, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.71/1.12    'unordered_pair'( Y, X ) ) ] )
% 0.71/1.12  .
% 0.71/1.12  clause( 10, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 0.71/1.12  .
% 0.71/1.12  clause( 104, [ member( 'null_class', 'universal_class' ) ] )
% 0.71/1.12  .
% 0.71/1.12  clause( 121, [ ~( member( 'null_class', singleton( 'null_class' ) ) ) ] )
% 0.71/1.12  .
% 0.71/1.12  clause( 421, [ member( 'null_class', 'unordered_pair'( X, 'null_class' ) )
% 0.71/1.12     ] )
% 0.71/1.12  .
% 0.71/1.12  clause( 502, [] )
% 0.71/1.12  .
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  % SZS output end Refutation
% 0.71/1.12  found a proof!
% 0.71/1.12  
% 0.71/1.12  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.71/1.12  
% 0.71/1.12  initialclauses(
% 0.71/1.12  [ clause( 504, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y )
% 0.71/1.12     ] )
% 0.71/1.12  , clause( 505, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, 
% 0.71/1.12    Y ) ] )
% 0.71/1.12  , clause( 506, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( 
% 0.71/1.12    X, Y ) ] )
% 0.71/1.12  , clause( 507, [ subclass( X, 'universal_class' ) ] )
% 0.71/1.12  , clause( 508, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 0.71/1.12  , clause( 509, [ ~( =( X, Y ) ), subclass( Y, X ) ] )
% 0.71/1.12  , clause( 510, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ]
% 0.71/1.12     )
% 0.71/1.12  , clause( 511, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( 
% 0.71/1.12    X, Z ) ] )
% 0.71/1.12  , clause( 512, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.71/1.12    'unordered_pair'( X, Y ) ) ] )
% 0.71/1.12  , clause( 513, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.71/1.12    'unordered_pair'( Y, X ) ) ] )
% 0.71/1.12  , clause( 514, [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ] )
% 0.71/1.12  , clause( 515, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 0.71/1.12  , clause( 516, [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, 
% 0.71/1.12    singleton( Y ) ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.71/1.12  , clause( 517, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 0.71/1.12     ) ), member( X, Z ) ] )
% 0.71/1.12  , clause( 518, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 0.71/1.12     ) ), member( Y, T ) ] )
% 0.71/1.12  , clause( 519, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 0.71/1.12    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 0.71/1.12  , clause( 520, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 0.71/1.12    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 0.71/1.12  , clause( 521, [ subclass( 'element_relation', 'cross_product'( 
% 0.71/1.12    'universal_class', 'universal_class' ) ) ] )
% 0.71/1.12  , clause( 522, [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) )
% 0.71/1.12    , member( X, Y ) ] )
% 0.71/1.12  , clause( 523, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 0.71/1.12    'universal_class', 'universal_class' ) ) ), ~( member( X, Y ) ), member( 
% 0.71/1.12    'ordered_pair'( X, Y ), 'element_relation' ) ] )
% 0.71/1.12  , clause( 524, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 0.71/1.12     )
% 0.71/1.12  , clause( 525, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 0.71/1.12     )
% 0.71/1.12  , clause( 526, [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, 
% 0.71/1.12    intersection( Y, Z ) ) ] )
% 0.71/1.12  , clause( 527, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 0.71/1.12     )
% 0.71/1.12  , clause( 528, [ ~( member( X, 'universal_class' ) ), member( X, complement( 
% 0.71/1.12    Y ) ), member( X, Y ) ] )
% 0.71/1.12  , clause( 529, [ =( complement( intersection( complement( X ), complement( 
% 0.71/1.12    Y ) ) ), union( X, Y ) ) ] )
% 0.71/1.12  , clause( 530, [ =( intersection( complement( intersection( X, Y ) ), 
% 0.71/1.12    complement( intersection( complement( X ), complement( Y ) ) ) ), 
% 0.71/1.12    'symmetric_difference'( X, Y ) ) ] )
% 0.71/1.12  , clause( 531, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X
% 0.71/1.12    , Y, Z ) ) ] )
% 0.71/1.12  , clause( 532, [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z
% 0.71/1.12    , X, Y ) ) ] )
% 0.71/1.12  , clause( 533, [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 
% 0.71/1.12    'null_class' ) ), ~( member( Y, 'domain_of'( X ) ) ) ] )
% 0.71/1.12  , clause( 534, [ ~( member( X, 'universal_class' ) ), =( restrict( Y, 
% 0.71/1.12    singleton( X ), 'universal_class' ), 'null_class' ), member( X, 
% 0.71/1.12    'domain_of'( Y ) ) ] )
% 0.71/1.12  , clause( 535, [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.71/1.12    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 0.71/1.12  , clause( 536, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 0.71/1.12    rotate( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T )
% 0.71/1.12     ] )
% 0.71/1.12  , clause( 537, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T
% 0.71/1.12     ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 
% 0.71/1.12    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 0.71/1.12    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X )
% 0.71/1.12    , Y ), rotate( T ) ) ] )
% 0.71/1.12  , clause( 538, [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.71/1.12    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 0.71/1.12  , clause( 539, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 0.71/1.12    flip( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ]
% 0.71/1.12     )
% 0.71/1.12  , clause( 540, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T
% 0.71/1.12     ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 
% 0.71/1.12    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 0.71/1.12    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X )
% 0.71/1.12    , Z ), flip( T ) ) ] )
% 0.71/1.12  , clause( 541, [ =( 'domain_of'( flip( 'cross_product'( X, 
% 0.71/1.12    'universal_class' ) ) ), inverse( X ) ) ] )
% 0.71/1.12  , clause( 542, [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ] )
% 0.71/1.12  , clause( 543, [ =( first( 'not_subclass_element'( restrict( X, Y, 
% 0.71/1.12    singleton( Z ) ), 'null_class' ) ), domain( X, Y, Z ) ) ] )
% 0.71/1.12  , clause( 544, [ =( second( 'not_subclass_element'( restrict( X, singleton( 
% 0.71/1.12    Y ), Z ), 'null_class' ) ), range( X, Y, Z ) ) ] )
% 0.71/1.12  , clause( 545, [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), 
% 0.71/1.12    image( X, Y ) ) ] )
% 0.71/1.12  , clause( 546, [ =( union( X, singleton( X ) ), successor( X ) ) ] )
% 0.71/1.12  , clause( 547, [ subclass( 'successor_relation', 'cross_product'( 
% 0.71/1.12    'universal_class', 'universal_class' ) ) ] )
% 0.71/1.12  , clause( 548, [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' )
% 0.71/1.12     ), =( successor( X ), Y ) ] )
% 0.71/1.12  , clause( 549, [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X
% 0.71/1.12    , Y ), 'cross_product'( 'universal_class', 'universal_class' ) ) ), 
% 0.71/1.12    member( 'ordered_pair'( X, Y ), 'successor_relation' ) ] )
% 0.71/1.12  , clause( 550, [ ~( inductive( X ) ), member( 'null_class', X ) ] )
% 0.71/1.12  , clause( 551, [ ~( inductive( X ) ), subclass( image( 'successor_relation'
% 0.71/1.12    , X ), X ) ] )
% 0.71/1.12  , clause( 552, [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.71/1.12    'successor_relation', X ), X ) ), inductive( X ) ] )
% 0.71/1.12  , clause( 553, [ inductive( omega ) ] )
% 0.71/1.12  , clause( 554, [ ~( inductive( X ) ), subclass( omega, X ) ] )
% 0.71/1.12  , clause( 555, [ member( omega, 'universal_class' ) ] )
% 0.71/1.12  , clause( 556, [ =( 'domain_of'( restrict( 'element_relation', 
% 0.71/1.12    'universal_class', X ) ), 'sum_class'( X ) ) ] )
% 0.71/1.12  , clause( 557, [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( 
% 0.71/1.12    X ), 'universal_class' ) ] )
% 0.71/1.12  , clause( 558, [ =( complement( image( 'element_relation', complement( X )
% 0.71/1.12     ) ), 'power_class'( X ) ) ] )
% 0.71/1.12  , clause( 559, [ ~( member( X, 'universal_class' ) ), member( 'power_class'( 
% 0.71/1.12    X ), 'universal_class' ) ] )
% 0.71/1.12  , clause( 560, [ subclass( compose( X, Y ), 'cross_product'( 
% 0.71/1.12    'universal_class', 'universal_class' ) ) ] )
% 0.71/1.12  , clause( 561, [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), 
% 0.71/1.12    member( Y, image( Z, image( T, singleton( X ) ) ) ) ] )
% 0.71/1.12  , clause( 562, [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), 
% 0.71/1.12    ~( member( 'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.71/1.12    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.71/1.12     ) ] )
% 0.71/1.12  , clause( 563, [ ~( 'single_valued_class'( X ) ), subclass( compose( X, 
% 0.71/1.12    inverse( X ) ), 'identity_relation' ) ] )
% 0.71/1.12  , clause( 564, [ ~( subclass( compose( X, inverse( X ) ), 
% 0.71/1.12    'identity_relation' ) ), 'single_valued_class'( X ) ] )
% 0.71/1.12  , clause( 565, [ ~( function( X ) ), subclass( X, 'cross_product'( 
% 0.71/1.12    'universal_class', 'universal_class' ) ) ] )
% 0.71/1.12  , clause( 566, [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.71/1.12    'identity_relation' ) ] )
% 0.71/1.12  , clause( 567, [ ~( subclass( X, 'cross_product'( 'universal_class', 
% 0.71/1.12    'universal_class' ) ) ), ~( subclass( compose( X, inverse( X ) ), 
% 0.71/1.12    'identity_relation' ) ), function( X ) ] )
% 0.71/1.12  , clause( 568, [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), 
% 0.71/1.12    member( image( X, Y ), 'universal_class' ) ] )
% 0.71/1.12  , clause( 569, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 0.71/1.12  , clause( 570, [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 
% 0.71/1.12    'null_class' ) ] )
% 0.71/1.12  , clause( 571, [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y
% 0.71/1.12     ) ) ] )
% 0.71/1.12  , clause( 572, [ function( choice ) ] )
% 0.71/1.12  , clause( 573, [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' )
% 0.71/1.12    , member( apply( choice, X ), X ) ] )
% 0.71/1.12  , clause( 574, [ ~( 'one_to_one'( X ) ), function( X ) ] )
% 0.71/1.12  , clause( 575, [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ] )
% 0.71/1.12  , clause( 576, [ ~( function( inverse( X ) ) ), ~( function( X ) ), 
% 0.71/1.12    'one_to_one'( X ) ] )
% 0.71/1.12  , clause( 577, [ =( intersection( 'cross_product'( 'universal_class', 
% 0.71/1.12    'universal_class' ), intersection( 'cross_product'( 'universal_class', 
% 0.71/1.12    'universal_class' ), complement( compose( complement( 'element_relation'
% 0.71/1.12     ), inverse( 'element_relation' ) ) ) ) ), 'subset_relation' ) ] )
% 0.71/1.12  , clause( 578, [ =( intersection( inverse( 'subset_relation' ), 
% 0.71/1.12    'subset_relation' ), 'identity_relation' ) ] )
% 0.71/1.12  , clause( 579, [ =( complement( 'domain_of'( intersection( X, 
% 0.71/1.12    'identity_relation' ) ) ), diagonalise( X ) ) ] )
% 0.71/1.12  , clause( 580, [ =( intersection( 'domain_of'( X ), diagonalise( compose( 
% 0.71/1.12    inverse( 'element_relation' ), X ) ) ), cantor( X ) ) ] )
% 0.71/1.12  , clause( 581, [ ~( operation( X ) ), function( X ) ] )
% 0.71/1.12  , clause( 582, [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 
% 0.71/1.12    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 0.71/1.12     ] )
% 0.71/1.12  , clause( 583, [ ~( operation( X ) ), subclass( 'range_of'( X ), 
% 0.71/1.12    'domain_of'( 'domain_of'( X ) ) ) ] )
% 0.71/1.12  , clause( 584, [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 
% 0.71/1.12    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 0.71/1.12     ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), 
% 0.71/1.12    operation( X ) ] )
% 0.71/1.12  , clause( 585, [ ~( compatible( X, Y, Z ) ), function( X ) ] )
% 0.71/1.12  , clause( 586, [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y
% 0.71/1.12     ) ), 'domain_of'( X ) ) ] )
% 0.71/1.12  , clause( 587, [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 
% 0.71/1.12    'domain_of'( 'domain_of'( Z ) ) ) ] )
% 0.71/1.12  , clause( 588, [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) )
% 0.71/1.12    , 'domain_of'( X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 
% 0.71/1.12    'domain_of'( Z ) ) ) ), compatible( X, Y, Z ) ] )
% 0.71/1.12  , clause( 589, [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ] )
% 0.71/1.12  , clause( 590, [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ] )
% 0.71/1.12  , clause( 591, [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ] )
% 0.71/1.12  , clause( 592, [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T
% 0.71/1.12    , U ), 'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), 
% 0.71/1.12    apply( X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ] )
% 0.71/1.12  , clause( 593, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z
% 0.71/1.12    , X, Y ) ), member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.71/1.12    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.71/1.12    , Y ) ] )
% 0.71/1.12  , clause( 594, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z
% 0.71/1.12    , X, Y ) ), ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( 
% 0.71/1.12    Z, X, Y ) ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, 
% 0.71/1.12    apply( X, 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.71/1.12    'not_homomorphism2'( Z, X, Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ] )
% 0.71/1.12  , clause( 595, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 0.71/1.12     ) ), member( X, 'unordered_pair'( X, Y ) ) ] )
% 0.71/1.12  , clause( 596, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 0.71/1.12     ) ), member( Y, 'unordered_pair'( X, Y ) ) ] )
% 0.71/1.12  , clause( 597, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 0.71/1.12     ) ), member( X, 'universal_class' ) ] )
% 0.71/1.12  , clause( 598, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 0.71/1.12     ) ), member( Y, 'universal_class' ) ] )
% 0.71/1.12  , clause( 599, [ subclass( X, X ) ] )
% 0.71/1.12  , clause( 600, [ ~( subclass( X, Y ) ), ~( subclass( Y, Z ) ), subclass( X
% 0.71/1.12    , Z ) ] )
% 0.71/1.12  , clause( 601, [ =( X, Y ), member( 'not_subclass_element'( X, Y ), X ), 
% 0.71/1.12    member( 'not_subclass_element'( Y, X ), Y ) ] )
% 0.71/1.12  , clause( 602, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( X, Y
% 0.71/1.12     ), member( 'not_subclass_element'( Y, X ), Y ) ] )
% 0.71/1.12  , clause( 603, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), =( Y, X
% 0.71/1.12     ), member( 'not_subclass_element'( Y, X ), Y ) ] )
% 0.71/1.12  , clause( 604, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), ~( 
% 0.71/1.12    member( 'not_subclass_element'( Y, X ), X ) ), =( X, Y ) ] )
% 0.71/1.12  , clause( 605, [ ~( member( X, intersection( complement( Y ), Y ) ) ) ] )
% 0.71/1.12  , clause( 606, [ ~( member( X, 'null_class' ) ) ] )
% 0.71/1.12  , clause( 607, [ subclass( 'null_class', X ) ] )
% 0.71/1.12  , clause( 608, [ ~( subclass( X, 'null_class' ) ), =( X, 'null_class' ) ]
% 0.71/1.12     )
% 0.71/1.12  , clause( 609, [ =( X, 'null_class' ), member( 'not_subclass_element'( X, 
% 0.71/1.12    'null_class' ), X ) ] )
% 0.71/1.12  , clause( 610, [ member( 'null_class', 'universal_class' ) ] )
% 0.71/1.12  , clause( 611, [ =( 'unordered_pair'( X, Y ), 'unordered_pair'( Y, X ) ) ]
% 0.71/1.12     )
% 0.71/1.12  , clause( 612, [ subclass( singleton( X ), 'unordered_pair'( X, Y ) ) ] )
% 0.71/1.12  , clause( 613, [ subclass( singleton( X ), 'unordered_pair'( Y, X ) ) ] )
% 0.71/1.12  , clause( 614, [ member( X, 'universal_class' ), =( 'unordered_pair'( Y, X
% 0.71/1.12     ), singleton( Y ) ) ] )
% 0.71/1.12  , clause( 615, [ member( X, 'universal_class' ), =( 'unordered_pair'( X, Y
% 0.71/1.12     ), singleton( Y ) ) ] )
% 0.71/1.12  , clause( 616, [ =( 'unordered_pair'( X, Y ), 'null_class' ), member( X, 
% 0.71/1.12    'universal_class' ), member( Y, 'universal_class' ) ] )
% 0.71/1.12  , clause( 617, [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( X, Z ) )
% 0.71/1.12     ), ~( member( 'ordered_pair'( Y, Z ), 'cross_product'( 'universal_class'
% 0.71/1.12    , 'universal_class' ) ) ), =( Y, Z ) ] )
% 0.71/1.12  , clause( 618, [ ~( =( 'unordered_pair'( X, Y ), 'unordered_pair'( Z, Y ) )
% 0.71/1.12     ), ~( member( 'ordered_pair'( X, Z ), 'cross_product'( 'universal_class'
% 0.71/1.12    , 'universal_class' ) ) ), =( X, Z ) ] )
% 0.71/1.12  , clause( 619, [ ~( member( X, 'universal_class' ) ), ~( =( 
% 0.71/1.12    'unordered_pair'( X, Y ), 'null_class' ) ) ] )
% 0.71/1.12  , clause( 620, [ ~( member( X, 'universal_class' ) ), ~( =( 
% 0.71/1.12    'unordered_pair'( Y, X ), 'null_class' ) ) ] )
% 0.71/1.12  , clause( 621, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 0.71/1.12     ) ), ~( =( 'unordered_pair'( X, Y ), 'null_class' ) ) ] )
% 0.71/1.12  , clause( 622, [ ~( member( X, Y ) ), ~( member( Z, Y ) ), subclass( 
% 0.71/1.12    'unordered_pair'( X, Z ), Y ) ] )
% 0.71/1.12  , clause( 623, [ member( singleton( X ), 'universal_class' ) ] )
% 0.71/1.12  , clause( 624, [ member( singleton( X ), 'unordered_pair'( Y, singleton( X
% 0.71/1.12     ) ) ) ] )
% 0.71/1.12  , clause( 625, [ ~( member( X, 'universal_class' ) ), member( X, singleton( 
% 0.71/1.12    X ) ) ] )
% 0.71/1.12  , clause( 626, [ ~( member( X, 'universal_class' ) ), ~( =( singleton( X )
% 0.71/1.12    , 'null_class' ) ) ] )
% 0.71/1.12  , clause( 627, [ ~( member( 'null_class', singleton( 'null_class' ) ) ) ]
% 0.71/1.12     )
% 0.71/1.12  ] ).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  subsumption(
% 0.71/1.12  clause( 8, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.71/1.12    'unordered_pair'( Y, X ) ) ] )
% 0.71/1.12  , clause( 513, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.71/1.12    'unordered_pair'( Y, X ) ) ] )
% 0.71/1.12  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.71/1.12     ), ==>( 1, 1 )] ) ).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  subsumption(
% 0.71/1.12  clause( 10, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 0.71/1.12  , clause( 515, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 0.71/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  subsumption(
% 0.71/1.12  clause( 104, [ member( 'null_class', 'universal_class' ) ] )
% 0.71/1.12  , clause( 610, [ member( 'null_class', 'universal_class' ) ] )
% 0.71/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  subsumption(
% 0.71/1.12  clause( 121, [ ~( member( 'null_class', singleton( 'null_class' ) ) ) ] )
% 0.71/1.12  , clause( 627, [ ~( member( 'null_class', singleton( 'null_class' ) ) ) ]
% 0.71/1.12     )
% 0.71/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  resolution(
% 0.71/1.12  clause( 775, [ member( 'null_class', 'unordered_pair'( X, 'null_class' ) )
% 0.71/1.12     ] )
% 0.71/1.12  , clause( 8, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.71/1.12    'unordered_pair'( Y, X ) ) ] )
% 0.71/1.12  , 0, clause( 104, [ member( 'null_class', 'universal_class' ) ] )
% 0.71/1.12  , 0, substitution( 0, [ :=( X, 'null_class' ), :=( Y, X )] ), 
% 0.71/1.12    substitution( 1, [] )).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  subsumption(
% 0.71/1.12  clause( 421, [ member( 'null_class', 'unordered_pair'( X, 'null_class' ) )
% 0.71/1.12     ] )
% 0.71/1.12  , clause( 775, [ member( 'null_class', 'unordered_pair'( X, 'null_class' )
% 0.71/1.12     ) ] )
% 0.71/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  paramod(
% 0.71/1.12  clause( 777, [ member( 'null_class', singleton( 'null_class' ) ) ] )
% 0.71/1.12  , clause( 10, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 0.71/1.12  , 0, clause( 421, [ member( 'null_class', 'unordered_pair'( X, 'null_class'
% 0.71/1.12     ) ) ] )
% 0.71/1.12  , 0, 2, substitution( 0, [ :=( X, 'null_class' )] ), substitution( 1, [ 
% 0.71/1.12    :=( X, 'null_class' )] )).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  resolution(
% 0.71/1.12  clause( 778, [] )
% 0.71/1.12  , clause( 121, [ ~( member( 'null_class', singleton( 'null_class' ) ) ) ]
% 0.71/1.12     )
% 0.71/1.12  , 0, clause( 777, [ member( 'null_class', singleton( 'null_class' ) ) ] )
% 0.71/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  subsumption(
% 0.71/1.12  clause( 502, [] )
% 0.71/1.12  , clause( 778, [] )
% 0.71/1.12  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  end.
% 0.71/1.12  
% 0.71/1.12  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.71/1.12  
% 0.71/1.12  Memory use:
% 0.71/1.12  
% 0.71/1.12  space for terms:        9499
% 0.71/1.12  space for clauses:      27404
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  clauses generated:      1029
% 0.71/1.12  clauses kept:           503
% 0.71/1.12  clauses selected:       46
% 0.71/1.12  clauses deleted:        0
% 0.71/1.12  clauses inuse deleted:  0
% 0.71/1.12  
% 0.71/1.12  subsentry:          2311
% 0.71/1.12  literals s-matched: 1897
% 0.71/1.12  literals matched:   1857
% 0.71/1.12  full subsumption:   901
% 0.71/1.12  
% 0.71/1.12  checksum:           1132032119
% 0.71/1.12  
% 0.71/1.12  
% 0.71/1.12  Bliksem ended
%------------------------------------------------------------------------------