TSTP Solution File: SET234-6 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET234-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n021.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 22:48:18 EDT 2022

% Result   : Unsatisfiable 2.23s 2.61s
% Output   : Refutation 2.23s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.11  % Problem  : SET234-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.02/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n021.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 : Mon Jul 11 07:14:23 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.42/1.07  *** allocated 10000 integers for termspace/termends
% 0.42/1.07  *** allocated 10000 integers for clauses
% 0.42/1.07  *** allocated 10000 integers for justifications
% 0.42/1.07  Bliksem 1.12
% 0.42/1.07  
% 0.42/1.07  
% 0.42/1.07  Automatic Strategy Selection
% 0.42/1.07  
% 0.42/1.07  Clauses:
% 0.42/1.07  [
% 0.42/1.07     [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.42/1.07     [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y ) ],
% 0.42/1.07     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X, Y ) ]
% 0.42/1.07    ,
% 0.42/1.07     [ subclass( X, 'universal_class' ) ],
% 0.42/1.07     [ ~( =( X, Y ) ), subclass( X, Y ) ],
% 0.42/1.07     [ ~( =( X, Y ) ), subclass( Y, X ) ],
% 0.42/1.07     [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ],
% 0.42/1.07     [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.42/1.07    ,
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( X, Y
% 0.42/1.07     ) ) ],
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( Y, X
% 0.42/1.07     ) ) ],
% 0.42/1.07     [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ],
% 0.42/1.07     [ =( 'unordered_pair'( X, X ), singleton( X ) ) ],
% 0.42/1.07     [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, singleton( Y
% 0.42/1.07     ) ) ), 'ordered_pair'( X, Y ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.42/1.07    X, Z ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.42/1.07    Y, T ) ],
% 0.42/1.07     [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 'ordered_pair'( X, Z
% 0.42/1.07     ), 'cross_product'( Y, T ) ) ],
% 0.42/1.07     [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( first( X
% 0.42/1.07     ), second( X ) ), X ) ],
% 0.42/1.07     [ subclass( 'element_relation', 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) ), member( X, 
% 0.42/1.07    Y ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.42/1.07    , 'universal_class' ) ) ), ~( member( X, Y ) ), member( 'ordered_pair'( X
% 0.42/1.07    , Y ), 'element_relation' ) ],
% 0.42/1.07     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.42/1.07     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.42/1.07     [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, intersection( Y, 
% 0.42/1.07    Z ) ) ],
% 0.42/1.07     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), member( X, complement( Y ) ), 
% 0.42/1.07    member( X, Y ) ],
% 0.42/1.07     [ =( complement( intersection( complement( X ), complement( Y ) ) ), 
% 0.42/1.07    union( X, Y ) ) ],
% 0.42/1.07     [ =( intersection( complement( intersection( X, Y ) ), complement( 
% 0.42/1.07    intersection( complement( X ), complement( Y ) ) ) ), 
% 0.42/1.07    'symmetric_difference'( X, Y ) ) ],
% 0.42/1.07     [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y, Z ) ) ]
% 0.42/1.07    ,
% 0.42/1.07     [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z, X, Y ) ) ]
% 0.42/1.07    ,
% 0.42/1.07     [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 'null_class' )
% 0.42/1.07     ), ~( member( Y, 'domain_of'( X ) ) ) ],
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), =( restrict( Y, singleton( X ), 
% 0.42/1.07    'universal_class' ), 'null_class' ), member( X, 'domain_of'( Y ) ) ],
% 0.42/1.07     [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.42/1.07    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), rotate( T ) )
% 0.42/1.07     ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.42/1.07    member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 'cross_product'( 
% 0.42/1.07    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.42/1.07    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X ), 
% 0.42/1.07    Y ), rotate( T ) ) ],
% 0.42/1.07     [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.42/1.07    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), flip( T ) ) )
% 0.42/1.07    , member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.42/1.07    member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 'cross_product'( 
% 0.42/1.07    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.42/1.07    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), 
% 0.42/1.07    Z ), flip( T ) ) ],
% 0.42/1.07     [ =( 'domain_of'( flip( 'cross_product'( X, 'universal_class' ) ) ), 
% 0.42/1.07    inverse( X ) ) ],
% 0.42/1.07     [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ],
% 0.42/1.07     [ =( first( 'not_subclass_element'( restrict( X, Y, singleton( Z ) ), 
% 0.42/1.07    'null_class' ) ), domain( X, Y, Z ) ) ],
% 0.42/1.07     [ =( second( 'not_subclass_element'( restrict( X, singleton( Y ), Z ), 
% 0.42/1.07    'null_class' ) ), range( X, Y, Z ) ) ],
% 0.42/1.07     [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), image( X, Y ) )
% 0.42/1.07     ],
% 0.42/1.07     [ =( union( X, singleton( X ) ), successor( X ) ) ],
% 0.42/1.07     [ subclass( 'successor_relation', 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' ) ), =( 
% 0.42/1.07    successor( X ), Y ) ],
% 0.42/1.07     [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X, Y ), 
% 0.42/1.07    'cross_product'( 'universal_class', 'universal_class' ) ) ), member( 
% 0.42/1.07    'ordered_pair'( X, Y ), 'successor_relation' ) ],
% 0.42/1.07     [ ~( inductive( X ) ), member( 'null_class', X ) ],
% 0.42/1.07     [ ~( inductive( X ) ), subclass( image( 'successor_relation', X ), X ) ]
% 0.42/1.07    ,
% 0.42/1.07     [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.42/1.07    'successor_relation', X ), X ) ), inductive( X ) ],
% 0.42/1.07     [ inductive( omega ) ],
% 0.42/1.07     [ ~( inductive( X ) ), subclass( omega, X ) ],
% 0.42/1.07     [ member( omega, 'universal_class' ) ],
% 0.42/1.07     [ =( 'domain_of'( restrict( 'element_relation', 'universal_class', X ) )
% 0.42/1.07    , 'sum_class'( X ) ) ],
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( X ), 
% 0.42/1.07    'universal_class' ) ],
% 0.42/1.07     [ =( complement( image( 'element_relation', complement( X ) ) ), 
% 0.42/1.07    'power_class'( X ) ) ],
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), member( 'power_class'( X ), 
% 0.42/1.07    'universal_class' ) ],
% 0.42/1.07     [ subclass( compose( X, Y ), 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), member( Y, 
% 0.42/1.07    image( Z, image( T, singleton( X ) ) ) ) ],
% 0.42/1.07     [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), ~( member( 
% 0.42/1.07    'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.42/1.07     ) ],
% 0.42/1.07     [ ~( 'single_valued_class'( X ) ), subclass( compose( X, inverse( X ) )
% 0.42/1.07    , 'identity_relation' ) ],
% 0.42/1.07     [ ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) ), 
% 0.42/1.07    'single_valued_class'( X ) ],
% 0.42/1.07     [ ~( function( X ) ), subclass( X, 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ],
% 0.42/1.07     [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.42/1.07    'identity_relation' ) ],
% 0.42/1.07     [ ~( subclass( X, 'cross_product'( 'universal_class', 'universal_class'
% 0.42/1.07     ) ) ), ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) )
% 0.42/1.07    , function( X ) ],
% 0.42/1.07     [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), member( image( 
% 0.42/1.07    X, Y ), 'universal_class' ) ],
% 0.42/1.07     [ =( X, 'null_class' ), member( regular( X ), X ) ],
% 0.42/1.07     [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 'null_class'
% 0.42/1.07     ) ],
% 0.42/1.07     [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y ) ) ],
% 0.42/1.07     [ function( choice ) ],
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' ), member( 
% 0.42/1.07    apply( choice, X ), X ) ],
% 0.42/1.07     [ ~( 'one_to_one'( X ) ), function( X ) ],
% 0.42/1.07     [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ],
% 0.42/1.07     [ ~( function( inverse( X ) ) ), ~( function( X ) ), 'one_to_one'( X ) ]
% 0.42/1.07    ,
% 0.42/1.07     [ =( intersection( 'cross_product'( 'universal_class', 'universal_class'
% 0.42/1.07     ), intersection( 'cross_product'( 'universal_class', 'universal_class' )
% 0.42/1.07    , complement( compose( complement( 'element_relation' ), inverse( 
% 0.42/1.07    'element_relation' ) ) ) ) ), 'subset_relation' ) ],
% 0.42/1.07     [ =( intersection( inverse( 'subset_relation' ), 'subset_relation' ), 
% 0.42/1.07    'identity_relation' ) ],
% 0.42/1.07     [ =( complement( 'domain_of'( intersection( X, 'identity_relation' ) ) )
% 0.42/1.07    , diagonalise( X ) ) ],
% 0.42/1.07     [ =( intersection( 'domain_of'( X ), diagonalise( compose( inverse( 
% 0.42/1.07    'element_relation' ), X ) ) ), cantor( X ) ) ],
% 0.42/1.07     [ ~( operation( X ) ), function( X ) ],
% 0.42/1.07     [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 'domain_of'( X )
% 0.42/1.07     ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ],
% 0.42/1.07     [ ~( operation( X ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.42/1.07    'domain_of'( X ) ) ) ],
% 0.42/1.07     [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 'domain_of'( X
% 0.42/1.07     ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ), ~( 
% 0.42/1.07    subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), operation( 
% 0.42/1.07    X ) ],
% 0.42/1.07     [ ~( compatible( X, Y, Z ) ), function( X ) ],
% 0.42/1.07     [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y ) ), 
% 0.42/1.07    'domain_of'( X ) ) ],
% 0.42/1.07     [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.42/1.07    'domain_of'( Z ) ) ) ],
% 0.42/1.07     [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) ), 'domain_of'( 
% 0.42/1.07    X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( Z ) ) )
% 0.42/1.07     ), compatible( X, Y, Z ) ],
% 0.42/1.07     [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ],
% 0.42/1.07     [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ],
% 0.42/1.07     [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ],
% 0.42/1.07     [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T, U ), 
% 0.42/1.07    'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), apply( 
% 0.42/1.07    X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ],
% 0.42/1.07     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.42/1.07    member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.42/1.07    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.42/1.07    , Y ) ],
% 0.42/1.07     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.42/1.07    ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( Z, X, Y )
% 0.42/1.07     ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, apply( X, 
% 0.42/1.07    'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 'not_homomorphism2'( Z, X
% 0.42/1.07    , Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ],
% 0.42/1.07     [ subclass( 'compose_class'( X ), 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ), =( 
% 0.42/1.07    compose( Z, X ), Y ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.42/1.07    , 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) ), member( 
% 0.42/1.07    'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ],
% 0.42/1.07     [ subclass( 'composition_function', 'cross_product'( 'universal_class', 
% 0.42/1.07    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.42/1.07    'composition_function' ) ), =( compose( X, Y ), Z ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.42/1.07    , 'universal_class' ) ) ), member( 'ordered_pair'( X, 'ordered_pair'( Y, 
% 0.42/1.07    compose( X, Y ) ) ), 'composition_function' ) ],
% 0.42/1.07     [ subclass( 'domain_relation', 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) ), =( 
% 0.42/1.07    'domain_of'( X ), Y ) ],
% 0.42/1.07     [ ~( member( X, 'universal_class' ) ), member( 'ordered_pair'( X, 
% 0.42/1.07    'domain_of'( X ) ), 'domain_relation' ) ],
% 0.42/1.07     [ =( first( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.42/1.07    'identity_relation' ) ), 'single_valued1'( X ) ) ],
% 0.42/1.07     [ =( second( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.42/1.07    'identity_relation' ) ), 'single_valued2'( X ) ) ],
% 0.42/1.07     [ =( domain( X, image( inverse( X ), singleton( 'single_valued1'( X ) )
% 0.42/1.07     ), 'single_valued2'( X ) ), 'single_valued3'( X ) ) ],
% 0.42/1.07     [ =( intersection( complement( compose( 'element_relation', complement( 
% 0.42/1.07    'identity_relation' ) ) ), 'element_relation' ), 'singleton_relation' ) ]
% 0.42/1.07    ,
% 0.42/1.07     [ subclass( 'application_function', 'cross_product'( 'universal_class', 
% 0.42/1.07    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.42/1.07    'application_function' ) ), member( Y, 'domain_of'( X ) ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.42/1.07    'application_function' ) ), =( apply( X, Y ), Z ) ],
% 0.42/1.07     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.42/1.07    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 0.42/1.07    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 0.42/1.07    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 0.42/1.07    'application_function' ) ],
% 0.42/1.07     [ ~( maps( X, Y, Z ) ), function( X ) ],
% 0.42/1.07     [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ],
% 2.23/2.61     [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ],
% 2.23/2.61     [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) ), maps( X, 
% 2.23/2.61    'domain_of'( X ), Y ) ],
% 2.23/2.61     [ member( 'ordered_pair'( first( 'not_subclass_element'( 'cross_product'( 
% 2.23/2.61    x, y ), z ) ), second( 'not_subclass_element'( 'cross_product'( x, y ), z
% 2.23/2.61     ) ) ), z ) ],
% 2.23/2.61     [ ~( subclass( 'cross_product'( x, y ), z ) ) ]
% 2.23/2.61  ] .
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  percentage equality = 0.222727, percentage horn = 0.929825
% 2.23/2.61  This is a problem with some equality
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Options Used:
% 2.23/2.61  
% 2.23/2.61  useres =            1
% 2.23/2.61  useparamod =        1
% 2.23/2.61  useeqrefl =         1
% 2.23/2.61  useeqfact =         1
% 2.23/2.61  usefactor =         1
% 2.23/2.61  usesimpsplitting =  0
% 2.23/2.61  usesimpdemod =      5
% 2.23/2.61  usesimpres =        3
% 2.23/2.61  
% 2.23/2.61  resimpinuse      =  1000
% 2.23/2.61  resimpclauses =     20000
% 2.23/2.61  substype =          eqrewr
% 2.23/2.61  backwardsubs =      1
% 2.23/2.61  selectoldest =      5
% 2.23/2.61  
% 2.23/2.61  litorderings [0] =  split
% 2.23/2.61  litorderings [1] =  extend the termordering, first sorting on arguments
% 2.23/2.61  
% 2.23/2.61  termordering =      kbo
% 2.23/2.61  
% 2.23/2.61  litapriori =        0
% 2.23/2.61  termapriori =       1
% 2.23/2.61  litaposteriori =    0
% 2.23/2.61  termaposteriori =   0
% 2.23/2.61  demodaposteriori =  0
% 2.23/2.61  ordereqreflfact =   0
% 2.23/2.61  
% 2.23/2.61  litselect =         negord
% 2.23/2.61  
% 2.23/2.61  maxweight =         15
% 2.23/2.61  maxdepth =          30000
% 2.23/2.61  maxlength =         115
% 2.23/2.61  maxnrvars =         195
% 2.23/2.61  excuselevel =       1
% 2.23/2.61  increasemaxweight = 1
% 2.23/2.61  
% 2.23/2.61  maxselected =       10000000
% 2.23/2.61  maxnrclauses =      10000000
% 2.23/2.61  
% 2.23/2.61  showgenerated =    0
% 2.23/2.61  showkept =         0
% 2.23/2.61  showselected =     0
% 2.23/2.61  showdeleted =      0
% 2.23/2.61  showresimp =       1
% 2.23/2.61  showstatus =       2000
% 2.23/2.61  
% 2.23/2.61  prologoutput =     1
% 2.23/2.61  nrgoals =          5000000
% 2.23/2.61  totalproof =       1
% 2.23/2.61  
% 2.23/2.61  Symbols occurring in the translation:
% 2.23/2.61  
% 2.23/2.61  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 2.23/2.61  .  [1, 2]      (w:1, o:65, a:1, s:1, b:0), 
% 2.23/2.61  !  [4, 1]      (w:0, o:36, a:1, s:1, b:0), 
% 2.23/2.61  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.23/2.61  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.23/2.61  subclass  [41, 2]      (w:1, o:90, a:1, s:1, b:0), 
% 2.23/2.61  member  [43, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 2.23/2.61  'not_subclass_element'  [44, 2]      (w:1, o:92, a:1, s:1, b:0), 
% 2.23/2.61  'universal_class'  [45, 0]      (w:1, o:22, a:1, s:1, b:0), 
% 2.23/2.61  'unordered_pair'  [46, 2]      (w:1, o:93, a:1, s:1, b:0), 
% 2.23/2.61  singleton  [47, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 2.23/2.61  'ordered_pair'  [48, 2]      (w:1, o:94, a:1, s:1, b:0), 
% 2.23/2.61  'cross_product'  [50, 2]      (w:1, o:95, a:1, s:1, b:0), 
% 2.23/2.61  first  [52, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 2.23/2.61  second  [53, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 2.23/2.61  'element_relation'  [54, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 2.23/2.61  intersection  [55, 2]      (w:1, o:97, a:1, s:1, b:0), 
% 2.23/2.61  complement  [56, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 2.23/2.61  union  [57, 2]      (w:1, o:98, a:1, s:1, b:0), 
% 2.23/2.61  'symmetric_difference'  [58, 2]      (w:1, o:99, a:1, s:1, b:0), 
% 2.23/2.61  restrict  [60, 3]      (w:1, o:102, a:1, s:1, b:0), 
% 2.23/2.61  'null_class'  [61, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 2.23/2.61  'domain_of'  [62, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 2.23/2.61  rotate  [63, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 2.23/2.61  flip  [65, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 2.23/2.61  inverse  [66, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 2.23/2.61  'range_of'  [67, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 2.23/2.61  domain  [68, 3]      (w:1, o:104, a:1, s:1, b:0), 
% 2.23/2.61  range  [69, 3]      (w:1, o:105, a:1, s:1, b:0), 
% 2.23/2.61  image  [70, 2]      (w:1, o:96, a:1, s:1, b:0), 
% 2.23/2.61  successor  [71, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 2.23/2.61  'successor_relation'  [72, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 2.23/2.61  inductive  [73, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 2.23/2.61  omega  [74, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 2.23/2.61  'sum_class'  [75, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 2.23/2.61  'power_class'  [76, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 2.23/2.61  compose  [78, 2]      (w:1, o:100, a:1, s:1, b:0), 
% 2.23/2.61  'single_valued_class'  [79, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 2.23/2.61  'identity_relation'  [80, 0]      (w:1, o:29, a:1, s:1, b:0), 
% 2.23/2.61  function  [82, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 2.23/2.61  regular  [83, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 2.23/2.61  apply  [84, 2]      (w:1, o:101, a:1, s:1, b:0), 
% 2.23/2.61  choice  [85, 0]      (w:1, o:30, a:1, s:1, b:0), 
% 2.23/2.61  'one_to_one'  [86, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 2.23/2.61  'subset_relation'  [87, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 2.23/2.61  diagonalise  [88, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 2.23/2.61  cantor  [89, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 2.23/2.61  operation  [90, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 2.23/2.61  compatible  [94, 3]      (w:1, o:103, a:1, s:1, b:0), 
% 2.23/2.61  homomorphism  [95, 3]      (w:1, o:106, a:1, s:1, b:0), 
% 2.23/2.61  'not_homomorphism1'  [96, 3]      (w:1, o:108, a:1, s:1, b:0), 
% 2.23/2.61  'not_homomorphism2'  [97, 3]      (w:1, o:109, a:1, s:1, b:0), 
% 2.23/2.61  'compose_class'  [98, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 2.23/2.61  'composition_function'  [99, 0]      (w:1, o:31, a:1, s:1, b:0), 
% 2.23/2.61  'domain_relation'  [100, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 2.23/2.61  'single_valued1'  [101, 1]      (w:1, o:62, a:1, s:1, b:0), 
% 2.23/2.61  'single_valued2'  [102, 1]      (w:1, o:63, a:1, s:1, b:0), 
% 2.23/2.61  'single_valued3'  [103, 1]      (w:1, o:64, a:1, s:1, b:0), 
% 2.23/2.61  'singleton_relation'  [104, 0]      (w:1, o:7, a:1, s:1, b:0), 
% 2.23/2.61  'application_function'  [105, 0]      (w:1, o:32, a:1, s:1, b:0), 
% 2.23/2.61  maps  [106, 3]      (w:1, o:107, a:1, s:1, b:0), 
% 2.23/2.61  x  [107, 0]      (w:1, o:33, a:1, s:1, b:0), 
% 2.23/2.61  y  [108, 0]      (w:1, o:34, a:1, s:1, b:0), 
% 2.23/2.61  z  [109, 0]      (w:1, o:35, a:1, s:1, b:0).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Starting Search:
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    4577
% 2.23/2.61  Kept:         2002
% 2.23/2.61  Inuse:        110
% 2.23/2.61  Deleted:      4
% 2.23/2.61  Deletedinuse: 2
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    9105
% 2.23/2.61  Kept:         4012
% 2.23/2.61  Inuse:        182
% 2.23/2.61  Deleted:      13
% 2.23/2.61  Deletedinuse: 5
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    12974
% 2.23/2.61  Kept:         6024
% 2.23/2.61  Inuse:        235
% 2.23/2.61  Deleted:      20
% 2.23/2.61  Deletedinuse: 10
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    18121
% 2.23/2.61  Kept:         8253
% 2.23/2.61  Inuse:        289
% 2.23/2.61  Deleted:      80
% 2.23/2.61  Deletedinuse: 68
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    23964
% 2.23/2.61  Kept:         10780
% 2.23/2.61  Inuse:        366
% 2.23/2.61  Deleted:      89
% 2.23/2.61  Deletedinuse: 74
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    27503
% 2.23/2.61  Kept:         12786
% 2.23/2.61  Inuse:        394
% 2.23/2.61  Deleted:      94
% 2.23/2.61  Deletedinuse: 79
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    31593
% 2.23/2.61  Kept:         14984
% 2.23/2.61  Inuse:        431
% 2.23/2.61  Deleted:      95
% 2.23/2.61  Deletedinuse: 80
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    35104
% 2.23/2.61  Kept:         17005
% 2.23/2.61  Inuse:        459
% 2.23/2.61  Deleted:      95
% 2.23/2.61  Deletedinuse: 80
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Intermediate Status:
% 2.23/2.61  Generated:    41837
% 2.23/2.61  Kept:         20120
% 2.23/2.61  Inuse:        466
% 2.23/2.61  Deleted:      95
% 2.23/2.61  Deletedinuse: 80
% 2.23/2.61  
% 2.23/2.61  Resimplifying inuse:
% 2.23/2.61  Done
% 2.23/2.61  
% 2.23/2.61  Resimplifying clauses:
% 2.23/2.61  
% 2.23/2.61  Bliksems!, er is een bewijs:
% 2.23/2.61  % SZS status Unsatisfiable
% 2.23/2.61  % SZS output start Refutation
% 2.23/2.61  
% 2.23/2.61  clause( 1, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y )
% 2.23/2.61     ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 2, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X
% 2.23/2.61    , Y ) ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 15, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( 
% 2.23/2.61    first( X ), second( X ) ), X ) ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 111, [ member( 'ordered_pair'( first( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ), second( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ) ), z ) ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 112, [ ~( subclass( 'cross_product'( x, y ), z ) ) ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 136, [ member( 'not_subclass_element'( 'cross_product'( x, y ), z )
% 2.23/2.61    , 'cross_product'( x, y ) ) ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 138, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y ), 
% 2.23/2.61    z ), z ) ) ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 16895, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), 'cross_product'( X, Y ) ) ) ] )
% 2.23/2.61  .
% 2.23/2.61  clause( 20295, [] )
% 2.23/2.61  .
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  % SZS output end Refutation
% 2.23/2.61  found a proof!
% 2.23/2.61  
% 2.23/2.61  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.23/2.61  
% 2.23/2.61  initialclauses(
% 2.23/2.61  [ clause( 20297, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y
% 2.23/2.61     ) ] )
% 2.23/2.61  , clause( 20298, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 2.23/2.61    , Y ) ] )
% 2.23/2.61  , clause( 20299, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 2.23/2.61    subclass( X, Y ) ] )
% 2.23/2.61  , clause( 20300, [ subclass( X, 'universal_class' ) ] )
% 2.23/2.61  , clause( 20301, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.23/2.61  , clause( 20302, [ ~( =( X, Y ) ), subclass( Y, X ) ] )
% 2.23/2.61  , clause( 20303, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y )
% 2.23/2.61     ] )
% 2.23/2.61  , clause( 20304, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 2.23/2.61    =( X, Z ) ] )
% 2.23/2.61  , clause( 20305, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.23/2.61    'unordered_pair'( X, Y ) ) ] )
% 2.23/2.61  , clause( 20306, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.23/2.61    'unordered_pair'( Y, X ) ) ] )
% 2.23/2.61  , clause( 20307, [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20308, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 2.23/2.61  , clause( 20309, [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X
% 2.23/2.61    , singleton( Y ) ) ), 'ordered_pair'( X, Y ) ) ] )
% 2.23/2.61  , clause( 20310, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.23/2.61     ) ) ), member( X, Z ) ] )
% 2.23/2.61  , clause( 20311, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.23/2.61     ) ) ), member( Y, T ) ] )
% 2.23/2.61  , clause( 20312, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 2.23/2.61    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 2.23/2.61  , clause( 20313, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 2.23/2.61    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 2.23/2.61  , clause( 20314, [ subclass( 'element_relation', 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20315, [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' )
% 2.23/2.61     ), member( X, Y ) ] )
% 2.23/2.61  , clause( 20316, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ), ~( member( X, Y ) ), member( 
% 2.23/2.61    'ordered_pair'( X, Y ), 'element_relation' ) ] )
% 2.23/2.61  , clause( 20317, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20318, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20319, [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, 
% 2.23/2.61    intersection( Y, Z ) ) ] )
% 2.23/2.61  , clause( 20320, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20321, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.23/2.61    complement( Y ) ), member( X, Y ) ] )
% 2.23/2.61  , clause( 20322, [ =( complement( intersection( complement( X ), complement( 
% 2.23/2.61    Y ) ) ), union( X, Y ) ) ] )
% 2.23/2.61  , clause( 20323, [ =( intersection( complement( intersection( X, Y ) ), 
% 2.23/2.61    complement( intersection( complement( X ), complement( Y ) ) ) ), 
% 2.23/2.61    'symmetric_difference'( X, Y ) ) ] )
% 2.23/2.61  , clause( 20324, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( 
% 2.23/2.61    X, Y, Z ) ) ] )
% 2.23/2.61  , clause( 20325, [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( 
% 2.23/2.61    Z, X, Y ) ) ] )
% 2.23/2.61  , clause( 20326, [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 
% 2.23/2.61    'null_class' ) ), ~( member( Y, 'domain_of'( X ) ) ) ] )
% 2.23/2.61  , clause( 20327, [ ~( member( X, 'universal_class' ) ), =( restrict( Y, 
% 2.23/2.61    singleton( X ), 'universal_class' ), 'null_class' ), member( X, 
% 2.23/2.61    'domain_of'( Y ) ) ] )
% 2.23/2.61  , clause( 20328, [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20329, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.23/2.61    rotate( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T )
% 2.23/2.61     ] )
% 2.23/2.61  , clause( 20330, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.23/2.61    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 
% 2.23/2.61    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 2.23/2.61    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X )
% 2.23/2.61    , Y ), rotate( T ) ) ] )
% 2.23/2.61  , clause( 20331, [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20332, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.23/2.61    flip( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20333, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.23/2.61    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 
% 2.23/2.61    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 2.23/2.61    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X )
% 2.23/2.61    , Z ), flip( T ) ) ] )
% 2.23/2.61  , clause( 20334, [ =( 'domain_of'( flip( 'cross_product'( X, 
% 2.23/2.61    'universal_class' ) ) ), inverse( X ) ) ] )
% 2.23/2.61  , clause( 20335, [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ] )
% 2.23/2.61  , clause( 20336, [ =( first( 'not_subclass_element'( restrict( X, Y, 
% 2.23/2.61    singleton( Z ) ), 'null_class' ) ), domain( X, Y, Z ) ) ] )
% 2.23/2.61  , clause( 20337, [ =( second( 'not_subclass_element'( restrict( X, 
% 2.23/2.61    singleton( Y ), Z ), 'null_class' ) ), range( X, Y, Z ) ) ] )
% 2.23/2.61  , clause( 20338, [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), 
% 2.23/2.61    image( X, Y ) ) ] )
% 2.23/2.61  , clause( 20339, [ =( union( X, singleton( X ) ), successor( X ) ) ] )
% 2.23/2.61  , clause( 20340, [ subclass( 'successor_relation', 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20341, [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation'
% 2.23/2.61     ) ), =( successor( X ), Y ) ] )
% 2.23/2.61  , clause( 20342, [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( 
% 2.23/2.61    X, Y ), 'cross_product'( 'universal_class', 'universal_class' ) ) ), 
% 2.23/2.61    member( 'ordered_pair'( X, Y ), 'successor_relation' ) ] )
% 2.23/2.61  , clause( 20343, [ ~( inductive( X ) ), member( 'null_class', X ) ] )
% 2.23/2.61  , clause( 20344, [ ~( inductive( X ) ), subclass( image( 
% 2.23/2.61    'successor_relation', X ), X ) ] )
% 2.23/2.61  , clause( 20345, [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 2.23/2.61    'successor_relation', X ), X ) ), inductive( X ) ] )
% 2.23/2.61  , clause( 20346, [ inductive( omega ) ] )
% 2.23/2.61  , clause( 20347, [ ~( inductive( X ) ), subclass( omega, X ) ] )
% 2.23/2.61  , clause( 20348, [ member( omega, 'universal_class' ) ] )
% 2.23/2.61  , clause( 20349, [ =( 'domain_of'( restrict( 'element_relation', 
% 2.23/2.61    'universal_class', X ) ), 'sum_class'( X ) ) ] )
% 2.23/2.61  , clause( 20350, [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( 
% 2.23/2.61    X ), 'universal_class' ) ] )
% 2.23/2.61  , clause( 20351, [ =( complement( image( 'element_relation', complement( X
% 2.23/2.61     ) ) ), 'power_class'( X ) ) ] )
% 2.23/2.61  , clause( 20352, [ ~( member( X, 'universal_class' ) ), member( 
% 2.23/2.61    'power_class'( X ), 'universal_class' ) ] )
% 2.23/2.61  , clause( 20353, [ subclass( compose( X, Y ), 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20354, [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), 
% 2.23/2.61    member( Y, image( Z, image( T, singleton( X ) ) ) ) ] )
% 2.23/2.61  , clause( 20355, [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) )
% 2.23/2.61    , ~( member( 'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 2.23/2.61    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 2.23/2.61     ) ] )
% 2.23/2.61  , clause( 20356, [ ~( 'single_valued_class'( X ) ), subclass( compose( X, 
% 2.23/2.61    inverse( X ) ), 'identity_relation' ) ] )
% 2.23/2.61  , clause( 20357, [ ~( subclass( compose( X, inverse( X ) ), 
% 2.23/2.61    'identity_relation' ) ), 'single_valued_class'( X ) ] )
% 2.23/2.61  , clause( 20358, [ ~( function( X ) ), subclass( X, 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20359, [ ~( function( X ) ), subclass( compose( X, inverse( X ) )
% 2.23/2.61    , 'identity_relation' ) ] )
% 2.23/2.61  , clause( 20360, [ ~( subclass( X, 'cross_product'( 'universal_class', 
% 2.23/2.61    'universal_class' ) ) ), ~( subclass( compose( X, inverse( X ) ), 
% 2.23/2.61    'identity_relation' ) ), function( X ) ] )
% 2.23/2.61  , clause( 20361, [ ~( function( X ) ), ~( member( Y, 'universal_class' ) )
% 2.23/2.61    , member( image( X, Y ), 'universal_class' ) ] )
% 2.23/2.61  , clause( 20362, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 2.23/2.61  , clause( 20363, [ =( X, 'null_class' ), =( intersection( X, regular( X ) )
% 2.23/2.61    , 'null_class' ) ] )
% 2.23/2.61  , clause( 20364, [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, 
% 2.23/2.61    Y ) ) ] )
% 2.23/2.61  , clause( 20365, [ function( choice ) ] )
% 2.23/2.61  , clause( 20366, [ ~( member( X, 'universal_class' ) ), =( X, 'null_class'
% 2.23/2.61     ), member( apply( choice, X ), X ) ] )
% 2.23/2.61  , clause( 20367, [ ~( 'one_to_one'( X ) ), function( X ) ] )
% 2.23/2.61  , clause( 20368, [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ] )
% 2.23/2.61  , clause( 20369, [ ~( function( inverse( X ) ) ), ~( function( X ) ), 
% 2.23/2.61    'one_to_one'( X ) ] )
% 2.23/2.61  , clause( 20370, [ =( intersection( 'cross_product'( 'universal_class', 
% 2.23/2.61    'universal_class' ), intersection( 'cross_product'( 'universal_class', 
% 2.23/2.61    'universal_class' ), complement( compose( complement( 'element_relation'
% 2.23/2.61     ), inverse( 'element_relation' ) ) ) ) ), 'subset_relation' ) ] )
% 2.23/2.61  , clause( 20371, [ =( intersection( inverse( 'subset_relation' ), 
% 2.23/2.61    'subset_relation' ), 'identity_relation' ) ] )
% 2.23/2.61  , clause( 20372, [ =( complement( 'domain_of'( intersection( X, 
% 2.23/2.61    'identity_relation' ) ) ), diagonalise( X ) ) ] )
% 2.23/2.61  , clause( 20373, [ =( intersection( 'domain_of'( X ), diagonalise( compose( 
% 2.23/2.61    inverse( 'element_relation' ), X ) ) ), cantor( X ) ) ] )
% 2.23/2.61  , clause( 20374, [ ~( operation( X ) ), function( X ) ] )
% 2.23/2.61  , clause( 20375, [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 
% 2.23/2.61    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 2.23/2.61     ] )
% 2.23/2.61  , clause( 20376, [ ~( operation( X ) ), subclass( 'range_of'( X ), 
% 2.23/2.61    'domain_of'( 'domain_of'( X ) ) ) ] )
% 2.23/2.61  , clause( 20377, [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 
% 2.23/2.61    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 2.23/2.61     ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), 
% 2.23/2.61    operation( X ) ] )
% 2.23/2.61  , clause( 20378, [ ~( compatible( X, Y, Z ) ), function( X ) ] )
% 2.23/2.61  , clause( 20379, [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( 
% 2.23/2.61    Y ) ), 'domain_of'( X ) ) ] )
% 2.23/2.61  , clause( 20380, [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 
% 2.23/2.61    'domain_of'( 'domain_of'( Z ) ) ) ] )
% 2.23/2.61  , clause( 20381, [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y )
% 2.23/2.61     ), 'domain_of'( X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 
% 2.23/2.61    'domain_of'( Z ) ) ) ), compatible( X, Y, Z ) ] )
% 2.23/2.61  , clause( 20382, [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ] )
% 2.23/2.61  , clause( 20383, [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ] )
% 2.23/2.61  , clause( 20384, [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ] )
% 2.23/2.61  , clause( 20385, [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( 
% 2.23/2.61    T, U ), 'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T )
% 2.23/2.61    , apply( X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20386, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 2.23/2.61    Z, X, Y ) ), member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 2.23/2.61    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 2.23/2.61    , Y ) ] )
% 2.23/2.61  , clause( 20387, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 2.23/2.61    Z, X, Y ) ), ~( =( apply( Y, 'ordered_pair'( apply( Z, 
% 2.23/2.61    'not_homomorphism1'( Z, X, Y ) ), apply( Z, 'not_homomorphism2'( Z, X, Y
% 2.23/2.61     ) ) ) ), apply( Z, apply( X, 'ordered_pair'( 'not_homomorphism1'( Z, X, 
% 2.23/2.61    Y ), 'not_homomorphism2'( Z, X, Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20388, [ subclass( 'compose_class'( X ), 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20389, [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z )
% 2.23/2.61     ) ), =( compose( Z, X ), Y ) ] )
% 2.23/2.61  , clause( 20390, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) )
% 2.23/2.61    , member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ] )
% 2.23/2.61  , clause( 20391, [ subclass( 'composition_function', 'cross_product'( 
% 2.23/2.61    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 2.23/2.61     ) ) ) ] )
% 2.23/2.61  , clause( 20392, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.23/2.61    'composition_function' ) ), =( compose( X, Y ), Z ) ] )
% 2.23/2.61  , clause( 20393, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ), member( 'ordered_pair'( X, 
% 2.23/2.61    'ordered_pair'( Y, compose( X, Y ) ) ), 'composition_function' ) ] )
% 2.23/2.61  , clause( 20394, [ subclass( 'domain_relation', 'cross_product'( 
% 2.23/2.61    'universal_class', 'universal_class' ) ) ] )
% 2.23/2.61  , clause( 20395, [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) )
% 2.23/2.61    , =( 'domain_of'( X ), Y ) ] )
% 2.23/2.61  , clause( 20396, [ ~( member( X, 'universal_class' ) ), member( 
% 2.23/2.61    'ordered_pair'( X, 'domain_of'( X ) ), 'domain_relation' ) ] )
% 2.23/2.61  , clause( 20397, [ =( first( 'not_subclass_element'( compose( X, inverse( X
% 2.23/2.61     ) ), 'identity_relation' ) ), 'single_valued1'( X ) ) ] )
% 2.23/2.61  , clause( 20398, [ =( second( 'not_subclass_element'( compose( X, inverse( 
% 2.23/2.61    X ) ), 'identity_relation' ) ), 'single_valued2'( X ) ) ] )
% 2.23/2.61  , clause( 20399, [ =( domain( X, image( inverse( X ), singleton( 
% 2.23/2.61    'single_valued1'( X ) ) ), 'single_valued2'( X ) ), 'single_valued3'( X )
% 2.23/2.61     ) ] )
% 2.23/2.61  , clause( 20400, [ =( intersection( complement( compose( 'element_relation'
% 2.23/2.61    , complement( 'identity_relation' ) ) ), 'element_relation' ), 
% 2.23/2.61    'singleton_relation' ) ] )
% 2.23/2.61  , clause( 20401, [ subclass( 'application_function', 'cross_product'( 
% 2.23/2.61    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 2.23/2.61     ) ) ) ] )
% 2.23/2.61  , clause( 20402, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.23/2.61    'application_function' ) ), member( Y, 'domain_of'( X ) ) ] )
% 2.23/2.61  , clause( 20403, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.23/2.61    'application_function' ) ), =( apply( X, Y ), Z ) ] )
% 2.23/2.61  , clause( 20404, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.23/2.61    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 2.23/2.61    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 2.23/2.61    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 2.23/2.61    'application_function' ) ] )
% 2.23/2.61  , clause( 20405, [ ~( maps( X, Y, Z ) ), function( X ) ] )
% 2.23/2.61  , clause( 20406, [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ] )
% 2.23/2.61  , clause( 20407, [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ]
% 2.23/2.61     )
% 2.23/2.61  , clause( 20408, [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) )
% 2.23/2.61    , maps( X, 'domain_of'( X ), Y ) ] )
% 2.23/2.61  , clause( 20409, [ member( 'ordered_pair'( first( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ), second( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ) ), z ) ] )
% 2.23/2.61  , clause( 20410, [ ~( subclass( 'cross_product'( x, y ), z ) ) ] )
% 2.23/2.61  ] ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 1, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y )
% 2.23/2.61     ] )
% 2.23/2.61  , clause( 20298, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 2.23/2.61    , Y ) ] )
% 2.23/2.61  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.23/2.61     ), ==>( 1, 1 )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 2, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X
% 2.23/2.61    , Y ) ] )
% 2.23/2.61  , clause( 20299, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 2.23/2.61    subclass( X, Y ) ] )
% 2.23/2.61  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.23/2.61     ), ==>( 1, 1 )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 15, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( 
% 2.23/2.61    first( X ), second( X ) ), X ) ] )
% 2.23/2.61  , clause( 20313, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 2.23/2.61    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 2.23/2.61  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.23/2.61    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 111, [ member( 'ordered_pair'( first( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ), second( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ) ), z ) ] )
% 2.23/2.61  , clause( 20409, [ member( 'ordered_pair'( first( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ), second( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ) ), z ) ] )
% 2.23/2.61  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 112, [ ~( subclass( 'cross_product'( x, y ), z ) ) ] )
% 2.23/2.61  , clause( 20410, [ ~( subclass( 'cross_product'( x, y ), z ) ) ] )
% 2.23/2.61  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  resolution(
% 2.23/2.61  clause( 20543, [ member( 'not_subclass_element'( 'cross_product'( x, y ), z
% 2.23/2.61     ), 'cross_product'( x, y ) ) ] )
% 2.23/2.61  , clause( 112, [ ~( subclass( 'cross_product'( x, y ), z ) ) ] )
% 2.23/2.61  , 0, clause( 1, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 2.23/2.61    , Y ) ] )
% 2.23/2.61  , 1, substitution( 0, [] ), substitution( 1, [ :=( X, 'cross_product'( x, y
% 2.23/2.61     ) ), :=( Y, z )] )).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 136, [ member( 'not_subclass_element'( 'cross_product'( x, y ), z )
% 2.23/2.61    , 'cross_product'( x, y ) ) ] )
% 2.23/2.61  , clause( 20543, [ member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), 'cross_product'( x, y ) ) ] )
% 2.23/2.61  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  resolution(
% 2.23/2.61  clause( 20544, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), z ) ) ] )
% 2.23/2.61  , clause( 112, [ ~( subclass( 'cross_product'( x, y ), z ) ) ] )
% 2.23/2.61  , 0, clause( 2, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 2.23/2.61    subclass( X, Y ) ] )
% 2.23/2.61  , 1, substitution( 0, [] ), substitution( 1, [ :=( X, 'cross_product'( x, y
% 2.23/2.61     ) ), :=( Y, z )] )).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 138, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y ), 
% 2.23/2.61    z ), z ) ) ] )
% 2.23/2.61  , clause( 20544, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y
% 2.23/2.61     ), z ), z ) ) ] )
% 2.23/2.61  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  paramod(
% 2.23/2.61  clause( 20546, [ member( 'not_subclass_element'( 'cross_product'( x, y ), z
% 2.23/2.61     ), z ), ~( member( 'not_subclass_element'( 'cross_product'( x, y ), z )
% 2.23/2.61    , 'cross_product'( X, Y ) ) ) ] )
% 2.23/2.61  , clause( 15, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 2.23/2.61    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 2.23/2.61  , 1, clause( 111, [ member( 'ordered_pair'( first( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ), second( 'not_subclass_element'( 
% 2.23/2.61    'cross_product'( x, y ), z ) ) ), z ) ] )
% 2.23/2.61  , 0, 1, substitution( 0, [ :=( X, 'not_subclass_element'( 'cross_product'( 
% 2.23/2.61    x, y ), z ) ), :=( Y, X ), :=( Z, Y )] ), substitution( 1, [] )).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  resolution(
% 2.23/2.61  clause( 20547, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), 'cross_product'( X, Y ) ) ) ] )
% 2.23/2.61  , clause( 138, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), z ) ) ] )
% 2.23/2.61  , 0, clause( 20546, [ member( 'not_subclass_element'( 'cross_product'( x, y
% 2.23/2.61     ), z ), z ), ~( member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), 'cross_product'( X, Y ) ) ) ] )
% 2.23/2.61  , 0, substitution( 0, [] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )
% 2.23/2.61    ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 16895, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), 'cross_product'( X, Y ) ) ) ] )
% 2.23/2.61  , clause( 20547, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y
% 2.23/2.61     ), z ), 'cross_product'( X, Y ) ) ) ] )
% 2.23/2.61  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.23/2.61     )] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  resolution(
% 2.23/2.61  clause( 20548, [] )
% 2.23/2.61  , clause( 16895, [ ~( member( 'not_subclass_element'( 'cross_product'( x, y
% 2.23/2.61     ), z ), 'cross_product'( X, Y ) ) ) ] )
% 2.23/2.61  , 0, clause( 136, [ member( 'not_subclass_element'( 'cross_product'( x, y )
% 2.23/2.61    , z ), 'cross_product'( x, y ) ) ] )
% 2.23/2.61  , 0, substitution( 0, [ :=( X, x ), :=( Y, y )] ), substitution( 1, [] )
% 2.23/2.61    ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  subsumption(
% 2.23/2.61  clause( 20295, [] )
% 2.23/2.61  , clause( 20548, [] )
% 2.23/2.61  , substitution( 0, [] ), permutation( 0, [] ) ).
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  end.
% 2.23/2.61  
% 2.23/2.61  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.23/2.61  
% 2.23/2.61  Memory use:
% 2.23/2.61  
% 2.23/2.61  space for terms:        315010
% 2.23/2.61  space for clauses:      959578
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  clauses generated:      42466
% 2.23/2.61  clauses kept:           20296
% 2.23/2.61  clauses selected:       466
% 2.23/2.61  clauses deleted:        3360
% 2.23/2.61  clauses inuse deleted:  81
% 2.23/2.61  
% 2.23/2.61  subsentry:          151492
% 2.23/2.61  literals s-matched: 111257
% 2.23/2.61  literals matched:   109307
% 2.23/2.61  full subsumption:   48173
% 2.23/2.61  
% 2.23/2.61  checksum:           922048213
% 2.23/2.61  
% 2.23/2.61  
% 2.23/2.61  Bliksem ended
%------------------------------------------------------------------------------