TSTP Solution File: SET204-6 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET204-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n014.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 22:48:08 EDT 2022

% Result   : Unsatisfiable 1.42s 1.80s
% Output   : Refutation 1.42s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET204-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n014.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 03:38:49 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.68/1.08  *** allocated 10000 integers for termspace/termends
% 0.68/1.08  *** allocated 10000 integers for clauses
% 0.68/1.08  *** allocated 10000 integers for justifications
% 0.68/1.08  Bliksem 1.12
% 0.68/1.08  
% 0.68/1.08  
% 0.68/1.08  Automatic Strategy Selection
% 0.68/1.08  
% 0.68/1.08  Clauses:
% 0.68/1.08  [
% 0.68/1.08     [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.68/1.08     [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y ) ],
% 0.68/1.08     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X, Y ) ]
% 0.68/1.08    ,
% 0.68/1.08     [ subclass( X, 'universal_class' ) ],
% 0.68/1.08     [ ~( =( X, Y ) ), subclass( X, Y ) ],
% 0.68/1.08     [ ~( =( X, Y ) ), subclass( Y, X ) ],
% 0.68/1.08     [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ],
% 0.68/1.08     [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.68/1.08    ,
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( X, Y
% 0.68/1.08     ) ) ],
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( Y, X
% 0.68/1.08     ) ) ],
% 0.68/1.08     [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ],
% 0.68/1.08     [ =( 'unordered_pair'( X, X ), singleton( X ) ) ],
% 0.68/1.08     [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, singleton( Y
% 0.68/1.08     ) ) ), 'ordered_pair'( X, Y ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.68/1.08    X, Z ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.68/1.08    Y, T ) ],
% 0.68/1.08     [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 'ordered_pair'( X, Z
% 0.68/1.08     ), 'cross_product'( Y, T ) ) ],
% 0.68/1.08     [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( first( X
% 0.68/1.08     ), second( X ) ), X ) ],
% 0.68/1.08     [ subclass( 'element_relation', 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) ), member( X, 
% 0.68/1.08    Y ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.68/1.08    , 'universal_class' ) ) ), ~( member( X, Y ) ), member( 'ordered_pair'( X
% 0.68/1.08    , Y ), 'element_relation' ) ],
% 0.68/1.08     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.68/1.08     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.68/1.08     [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, intersection( Y, 
% 0.68/1.08    Z ) ) ],
% 0.68/1.08     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), member( X, complement( Y ) ), 
% 0.68/1.08    member( X, Y ) ],
% 0.68/1.08     [ =( complement( intersection( complement( X ), complement( Y ) ) ), 
% 0.68/1.08    union( X, Y ) ) ],
% 0.68/1.08     [ =( intersection( complement( intersection( X, Y ) ), complement( 
% 0.68/1.08    intersection( complement( X ), complement( Y ) ) ) ), 
% 0.68/1.08    'symmetric_difference'( X, Y ) ) ],
% 0.68/1.08     [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y, Z ) ) ]
% 0.68/1.08    ,
% 0.68/1.08     [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z, X, Y ) ) ]
% 0.68/1.08    ,
% 0.68/1.08     [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 'null_class' )
% 0.68/1.08     ), ~( member( Y, 'domain_of'( X ) ) ) ],
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), =( restrict( Y, singleton( X ), 
% 0.68/1.08    'universal_class' ), 'null_class' ), member( X, 'domain_of'( Y ) ) ],
% 0.68/1.08     [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.68/1.08    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), rotate( T ) )
% 0.68/1.08     ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.68/1.08    member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 'cross_product'( 
% 0.68/1.08    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.68/1.08    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X ), 
% 0.68/1.08    Y ), rotate( T ) ) ],
% 0.68/1.08     [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.68/1.08    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), flip( T ) ) )
% 0.68/1.08    , member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.68/1.08    member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 'cross_product'( 
% 0.68/1.08    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.68/1.08    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), 
% 0.68/1.08    Z ), flip( T ) ) ],
% 0.68/1.08     [ =( 'domain_of'( flip( 'cross_product'( X, 'universal_class' ) ) ), 
% 0.68/1.08    inverse( X ) ) ],
% 0.68/1.08     [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ],
% 0.68/1.08     [ =( first( 'not_subclass_element'( restrict( X, Y, singleton( Z ) ), 
% 0.68/1.08    'null_class' ) ), domain( X, Y, Z ) ) ],
% 0.68/1.08     [ =( second( 'not_subclass_element'( restrict( X, singleton( Y ), Z ), 
% 0.68/1.08    'null_class' ) ), range( X, Y, Z ) ) ],
% 0.68/1.08     [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), image( X, Y ) )
% 0.68/1.08     ],
% 0.68/1.08     [ =( union( X, singleton( X ) ), successor( X ) ) ],
% 0.68/1.08     [ subclass( 'successor_relation', 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' ) ), =( 
% 0.68/1.08    successor( X ), Y ) ],
% 0.68/1.08     [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X, Y ), 
% 0.68/1.08    'cross_product'( 'universal_class', 'universal_class' ) ) ), member( 
% 0.68/1.08    'ordered_pair'( X, Y ), 'successor_relation' ) ],
% 0.68/1.08     [ ~( inductive( X ) ), member( 'null_class', X ) ],
% 0.68/1.08     [ ~( inductive( X ) ), subclass( image( 'successor_relation', X ), X ) ]
% 0.68/1.08    ,
% 0.68/1.08     [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.68/1.08    'successor_relation', X ), X ) ), inductive( X ) ],
% 0.68/1.08     [ inductive( omega ) ],
% 0.68/1.08     [ ~( inductive( X ) ), subclass( omega, X ) ],
% 0.68/1.08     [ member( omega, 'universal_class' ) ],
% 0.68/1.08     [ =( 'domain_of'( restrict( 'element_relation', 'universal_class', X ) )
% 0.68/1.08    , 'sum_class'( X ) ) ],
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( X ), 
% 0.68/1.08    'universal_class' ) ],
% 0.68/1.08     [ =( complement( image( 'element_relation', complement( X ) ) ), 
% 0.68/1.08    'power_class'( X ) ) ],
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), member( 'power_class'( X ), 
% 0.68/1.08    'universal_class' ) ],
% 0.68/1.08     [ subclass( compose( X, Y ), 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), member( Y, 
% 0.68/1.08    image( Z, image( T, singleton( X ) ) ) ) ],
% 0.68/1.08     [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), ~( member( 
% 0.68/1.08    'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.68/1.08     ) ],
% 0.68/1.08     [ ~( 'single_valued_class'( X ) ), subclass( compose( X, inverse( X ) )
% 0.68/1.08    , 'identity_relation' ) ],
% 0.68/1.08     [ ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) ), 
% 0.68/1.08    'single_valued_class'( X ) ],
% 0.68/1.08     [ ~( function( X ) ), subclass( X, 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ],
% 0.68/1.08     [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.68/1.08    'identity_relation' ) ],
% 0.68/1.08     [ ~( subclass( X, 'cross_product'( 'universal_class', 'universal_class'
% 0.68/1.08     ) ) ), ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) )
% 0.68/1.08    , function( X ) ],
% 0.68/1.08     [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), member( image( 
% 0.68/1.08    X, Y ), 'universal_class' ) ],
% 0.68/1.08     [ =( X, 'null_class' ), member( regular( X ), X ) ],
% 0.68/1.08     [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 'null_class'
% 0.68/1.08     ) ],
% 0.68/1.08     [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y ) ) ],
% 0.68/1.08     [ function( choice ) ],
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' ), member( 
% 0.68/1.08    apply( choice, X ), X ) ],
% 0.68/1.08     [ ~( 'one_to_one'( X ) ), function( X ) ],
% 0.68/1.08     [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ],
% 0.68/1.08     [ ~( function( inverse( X ) ) ), ~( function( X ) ), 'one_to_one'( X ) ]
% 0.68/1.08    ,
% 0.68/1.08     [ =( intersection( 'cross_product'( 'universal_class', 'universal_class'
% 0.68/1.08     ), intersection( 'cross_product'( 'universal_class', 'universal_class' )
% 0.68/1.08    , complement( compose( complement( 'element_relation' ), inverse( 
% 0.68/1.08    'element_relation' ) ) ) ) ), 'subset_relation' ) ],
% 0.68/1.08     [ =( intersection( inverse( 'subset_relation' ), 'subset_relation' ), 
% 0.68/1.08    'identity_relation' ) ],
% 0.68/1.08     [ =( complement( 'domain_of'( intersection( X, 'identity_relation' ) ) )
% 0.68/1.08    , diagonalise( X ) ) ],
% 0.68/1.08     [ =( intersection( 'domain_of'( X ), diagonalise( compose( inverse( 
% 0.68/1.08    'element_relation' ), X ) ) ), cantor( X ) ) ],
% 0.68/1.08     [ ~( operation( X ) ), function( X ) ],
% 0.68/1.08     [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 'domain_of'( X )
% 0.68/1.08     ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ],
% 0.68/1.08     [ ~( operation( X ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.68/1.08    'domain_of'( X ) ) ) ],
% 0.68/1.08     [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 'domain_of'( X
% 0.68/1.08     ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ), ~( 
% 0.68/1.08    subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), operation( 
% 0.68/1.08    X ) ],
% 0.68/1.08     [ ~( compatible( X, Y, Z ) ), function( X ) ],
% 0.68/1.08     [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y ) ), 
% 0.68/1.08    'domain_of'( X ) ) ],
% 0.68/1.08     [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.68/1.08    'domain_of'( Z ) ) ) ],
% 0.68/1.08     [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) ), 'domain_of'( 
% 0.68/1.08    X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( Z ) ) )
% 0.68/1.08     ), compatible( X, Y, Z ) ],
% 0.68/1.08     [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ],
% 0.68/1.08     [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ],
% 0.68/1.08     [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ],
% 0.68/1.08     [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T, U ), 
% 0.68/1.08    'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), apply( 
% 0.68/1.08    X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ],
% 0.68/1.08     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.68/1.08    member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.68/1.08    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.68/1.08    , Y ) ],
% 0.68/1.08     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.68/1.08    ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( Z, X, Y )
% 0.68/1.08     ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, apply( X, 
% 0.68/1.08    'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 'not_homomorphism2'( Z, X
% 0.68/1.08    , Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ],
% 0.68/1.08     [ subclass( 'compose_class'( X ), 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ), =( 
% 0.68/1.08    compose( Z, X ), Y ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.68/1.08    , 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) ), member( 
% 0.68/1.08    'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ],
% 0.68/1.08     [ subclass( 'composition_function', 'cross_product'( 'universal_class', 
% 0.68/1.08    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.68/1.08    'composition_function' ) ), =( compose( X, Y ), Z ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.68/1.08    , 'universal_class' ) ) ), member( 'ordered_pair'( X, 'ordered_pair'( Y, 
% 0.68/1.08    compose( X, Y ) ) ), 'composition_function' ) ],
% 0.68/1.08     [ subclass( 'domain_relation', 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) ), =( 
% 0.68/1.08    'domain_of'( X ), Y ) ],
% 0.68/1.08     [ ~( member( X, 'universal_class' ) ), member( 'ordered_pair'( X, 
% 0.68/1.08    'domain_of'( X ) ), 'domain_relation' ) ],
% 0.68/1.08     [ =( first( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.68/1.08    'identity_relation' ) ), 'single_valued1'( X ) ) ],
% 0.68/1.08     [ =( second( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.68/1.08    'identity_relation' ) ), 'single_valued2'( X ) ) ],
% 0.68/1.08     [ =( domain( X, image( inverse( X ), singleton( 'single_valued1'( X ) )
% 0.68/1.08     ), 'single_valued2'( X ) ), 'single_valued3'( X ) ) ],
% 0.68/1.08     [ =( intersection( complement( compose( 'element_relation', complement( 
% 0.68/1.08    'identity_relation' ) ) ), 'element_relation' ), 'singleton_relation' ) ]
% 0.68/1.08    ,
% 0.68/1.08     [ subclass( 'application_function', 'cross_product'( 'universal_class', 
% 0.68/1.08    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.68/1.08    'application_function' ) ), member( Y, 'domain_of'( X ) ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.68/1.08    'application_function' ) ), =( apply( X, Y ), Z ) ],
% 0.68/1.08     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.68/1.08    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 0.68/1.08    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 0.68/1.08    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 0.68/1.08    'application_function' ) ],
% 0.68/1.08     [ ~( maps( X, Y, Z ) ), function( X ) ],
% 0.68/1.08     [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ],
% 1.42/1.80     [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ],
% 1.42/1.80     [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) ), maps( X, 
% 1.42/1.80    'domain_of'( X ), Y ) ],
% 1.42/1.80     [ member( 'ordered_pair'( u, v ), 'cross_product'( x, y ) ) ],
% 1.42/1.80     [ ~( member( 'ordered_pair'( v, u ), 'cross_product'( y, x ) ) ) ]
% 1.42/1.80  ] .
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  percentage equality = 0.222727, percentage horn = 0.929825
% 1.42/1.80  This is a problem with some equality
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Options Used:
% 1.42/1.80  
% 1.42/1.80  useres =            1
% 1.42/1.80  useparamod =        1
% 1.42/1.80  useeqrefl =         1
% 1.42/1.80  useeqfact =         1
% 1.42/1.80  usefactor =         1
% 1.42/1.80  usesimpsplitting =  0
% 1.42/1.80  usesimpdemod =      5
% 1.42/1.80  usesimpres =        3
% 1.42/1.80  
% 1.42/1.80  resimpinuse      =  1000
% 1.42/1.80  resimpclauses =     20000
% 1.42/1.80  substype =          eqrewr
% 1.42/1.80  backwardsubs =      1
% 1.42/1.80  selectoldest =      5
% 1.42/1.80  
% 1.42/1.80  litorderings [0] =  split
% 1.42/1.80  litorderings [1] =  extend the termordering, first sorting on arguments
% 1.42/1.80  
% 1.42/1.80  termordering =      kbo
% 1.42/1.80  
% 1.42/1.80  litapriori =        0
% 1.42/1.80  termapriori =       1
% 1.42/1.80  litaposteriori =    0
% 1.42/1.80  termaposteriori =   0
% 1.42/1.80  demodaposteriori =  0
% 1.42/1.80  ordereqreflfact =   0
% 1.42/1.80  
% 1.42/1.80  litselect =         negord
% 1.42/1.80  
% 1.42/1.80  maxweight =         15
% 1.42/1.80  maxdepth =          30000
% 1.42/1.80  maxlength =         115
% 1.42/1.80  maxnrvars =         195
% 1.42/1.80  excuselevel =       1
% 1.42/1.80  increasemaxweight = 1
% 1.42/1.80  
% 1.42/1.80  maxselected =       10000000
% 1.42/1.80  maxnrclauses =      10000000
% 1.42/1.80  
% 1.42/1.80  showgenerated =    0
% 1.42/1.80  showkept =         0
% 1.42/1.80  showselected =     0
% 1.42/1.80  showdeleted =      0
% 1.42/1.80  showresimp =       1
% 1.42/1.80  showstatus =       2000
% 1.42/1.80  
% 1.42/1.80  prologoutput =     1
% 1.42/1.80  nrgoals =          5000000
% 1.42/1.80  totalproof =       1
% 1.42/1.80  
% 1.42/1.80  Symbols occurring in the translation:
% 1.42/1.80  
% 1.42/1.80  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 1.42/1.80  .  [1, 2]      (w:1, o:66, a:1, s:1, b:0), 
% 1.42/1.80  !  [4, 1]      (w:0, o:37, a:1, s:1, b:0), 
% 1.42/1.80  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.42/1.80  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.42/1.80  subclass  [41, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 1.42/1.80  member  [43, 2]      (w:1, o:92, a:1, s:1, b:0), 
% 1.42/1.80  'not_subclass_element'  [44, 2]      (w:1, o:93, a:1, s:1, b:0), 
% 1.42/1.80  'universal_class'  [45, 0]      (w:1, o:22, a:1, s:1, b:0), 
% 1.42/1.80  'unordered_pair'  [46, 2]      (w:1, o:94, a:1, s:1, b:0), 
% 1.42/1.80  singleton  [47, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 1.42/1.80  'ordered_pair'  [48, 2]      (w:1, o:95, a:1, s:1, b:0), 
% 1.42/1.80  'cross_product'  [50, 2]      (w:1, o:96, a:1, s:1, b:0), 
% 1.42/1.80  first  [52, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 1.42/1.80  second  [53, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 1.42/1.80  'element_relation'  [54, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 1.42/1.80  intersection  [55, 2]      (w:1, o:98, a:1, s:1, b:0), 
% 1.42/1.80  complement  [56, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 1.42/1.80  union  [57, 2]      (w:1, o:99, a:1, s:1, b:0), 
% 1.42/1.80  'symmetric_difference'  [58, 2]      (w:1, o:100, a:1, s:1, b:0), 
% 1.42/1.80  restrict  [60, 3]      (w:1, o:103, a:1, s:1, b:0), 
% 1.42/1.80  'null_class'  [61, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 1.42/1.80  'domain_of'  [62, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 1.42/1.80  rotate  [63, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 1.42/1.80  flip  [65, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 1.42/1.80  inverse  [66, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 1.42/1.80  'range_of'  [67, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 1.42/1.80  domain  [68, 3]      (w:1, o:105, a:1, s:1, b:0), 
% 1.42/1.80  range  [69, 3]      (w:1, o:106, a:1, s:1, b:0), 
% 1.42/1.80  image  [70, 2]      (w:1, o:97, a:1, s:1, b:0), 
% 1.42/1.80  successor  [71, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 1.42/1.80  'successor_relation'  [72, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 1.42/1.80  inductive  [73, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 1.42/1.80  omega  [74, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 1.42/1.80  'sum_class'  [75, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 1.42/1.80  'power_class'  [76, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 1.42/1.80  compose  [78, 2]      (w:1, o:101, a:1, s:1, b:0), 
% 1.42/1.80  'single_valued_class'  [79, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 1.42/1.80  'identity_relation'  [80, 0]      (w:1, o:29, a:1, s:1, b:0), 
% 1.42/1.80  function  [82, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 1.42/1.80  regular  [83, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 1.42/1.80  apply  [84, 2]      (w:1, o:102, a:1, s:1, b:0), 
% 1.42/1.80  choice  [85, 0]      (w:1, o:30, a:1, s:1, b:0), 
% 1.42/1.80  'one_to_one'  [86, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 1.42/1.80  'subset_relation'  [87, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 1.42/1.80  diagonalise  [88, 1]      (w:1, o:62, a:1, s:1, b:0), 
% 1.42/1.80  cantor  [89, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 1.42/1.80  operation  [90, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 1.42/1.80  compatible  [94, 3]      (w:1, o:104, a:1, s:1, b:0), 
% 1.42/1.80  homomorphism  [95, 3]      (w:1, o:107, a:1, s:1, b:0), 
% 1.42/1.80  'not_homomorphism1'  [96, 3]      (w:1, o:109, a:1, s:1, b:0), 
% 1.42/1.80  'not_homomorphism2'  [97, 3]      (w:1, o:110, a:1, s:1, b:0), 
% 1.42/1.80  'compose_class'  [98, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 1.42/1.80  'composition_function'  [99, 0]      (w:1, o:31, a:1, s:1, b:0), 
% 1.42/1.80  'domain_relation'  [100, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 1.42/1.80  'single_valued1'  [101, 1]      (w:1, o:63, a:1, s:1, b:0), 
% 1.42/1.80  'single_valued2'  [102, 1]      (w:1, o:64, a:1, s:1, b:0), 
% 1.42/1.80  'single_valued3'  [103, 1]      (w:1, o:65, a:1, s:1, b:0), 
% 1.42/1.80  'singleton_relation'  [104, 0]      (w:1, o:7, a:1, s:1, b:0), 
% 1.42/1.80  'application_function'  [105, 0]      (w:1, o:32, a:1, s:1, b:0), 
% 1.42/1.80  maps  [106, 3]      (w:1, o:108, a:1, s:1, b:0), 
% 1.42/1.80  u  [107, 0]      (w:1, o:33, a:1, s:1, b:0), 
% 1.42/1.80  v  [108, 0]      (w:1, o:34, a:1, s:1, b:0), 
% 1.42/1.80  x  [109, 0]      (w:1, o:35, a:1, s:1, b:0), 
% 1.42/1.80  y  [110, 0]      (w:1, o:36, a:1, s:1, b:0).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Starting Search:
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    5518
% 1.42/1.80  Kept:         2049
% 1.42/1.80  Inuse:        104
% 1.42/1.80  Deleted:      4
% 1.42/1.80  Deletedinuse: 2
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    10259
% 1.42/1.80  Kept:         4065
% 1.42/1.80  Inuse:        189
% 1.42/1.80  Deleted:      22
% 1.42/1.80  Deletedinuse: 14
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    14142
% 1.42/1.80  Kept:         6105
% 1.42/1.80  Inuse:        240
% 1.42/1.80  Deleted:      26
% 1.42/1.80  Deletedinuse: 15
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    18876
% 1.42/1.80  Kept:         8128
% 1.42/1.80  Inuse:        294
% 1.42/1.80  Deleted:      82
% 1.42/1.80  Deletedinuse: 70
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    24281
% 1.42/1.80  Kept:         10413
% 1.42/1.80  Inuse:        367
% 1.42/1.80  Deleted:      92
% 1.42/1.80  Deletedinuse: 78
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    27873
% 1.42/1.80  Kept:         12437
% 1.42/1.80  Inuse:        392
% 1.42/1.80  Deleted:      97
% 1.42/1.80  Deletedinuse: 83
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    32108
% 1.42/1.80  Kept:         14551
% 1.42/1.80  Inuse:        432
% 1.42/1.80  Deleted:      99
% 1.42/1.80  Deletedinuse: 85
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  Resimplifying inuse:
% 1.42/1.80  Done
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Intermediate Status:
% 1.42/1.80  Generated:    35356
% 1.42/1.80  Kept:         16567
% 1.42/1.80  Inuse:        460
% 1.42/1.80  Deleted:      99
% 1.42/1.80  Deletedinuse: 85
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Bliksems!, er is een bewijs:
% 1.42/1.80  % SZS status Unsatisfiable
% 1.42/1.80  % SZS output start Refutation
% 1.42/1.80  
% 1.42/1.80  clause( 12, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) )
% 1.42/1.80     ), member( X, Z ) ] )
% 1.42/1.80  .
% 1.42/1.80  clause( 13, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) )
% 1.42/1.80     ), member( Y, T ) ] )
% 1.42/1.80  .
% 1.42/1.80  clause( 14, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 1.42/1.80    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 1.42/1.80  .
% 1.42/1.80  clause( 111, [ member( 'ordered_pair'( u, v ), 'cross_product'( x, y ) ) ]
% 1.42/1.80     )
% 1.42/1.80  .
% 1.42/1.80  clause( 112, [ ~( member( 'ordered_pair'( v, u ), 'cross_product'( y, x ) )
% 1.42/1.80     ) ] )
% 1.42/1.80  .
% 1.42/1.80  clause( 16394, [ member( v, y ) ] )
% 1.42/1.80  .
% 1.42/1.80  clause( 16395, [ member( u, x ) ] )
% 1.42/1.80  .
% 1.42/1.80  clause( 16594, [ ~( member( u, x ) ) ] )
% 1.42/1.80  .
% 1.42/1.80  clause( 16680, [] )
% 1.42/1.80  .
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  % SZS output end Refutation
% 1.42/1.80  found a proof!
% 1.42/1.80  
% 1.42/1.80  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.42/1.80  
% 1.42/1.80  initialclauses(
% 1.42/1.80  [ clause( 16682, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y
% 1.42/1.80     ) ] )
% 1.42/1.80  , clause( 16683, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 1.42/1.80    , Y ) ] )
% 1.42/1.80  , clause( 16684, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 1.42/1.80    subclass( X, Y ) ] )
% 1.42/1.80  , clause( 16685, [ subclass( X, 'universal_class' ) ] )
% 1.42/1.80  , clause( 16686, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 1.42/1.80  , clause( 16687, [ ~( =( X, Y ) ), subclass( Y, X ) ] )
% 1.42/1.80  , clause( 16688, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y )
% 1.42/1.80     ] )
% 1.42/1.80  , clause( 16689, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 1.42/1.80    =( X, Z ) ] )
% 1.42/1.80  , clause( 16690, [ ~( member( X, 'universal_class' ) ), member( X, 
% 1.42/1.80    'unordered_pair'( X, Y ) ) ] )
% 1.42/1.80  , clause( 16691, [ ~( member( X, 'universal_class' ) ), member( X, 
% 1.42/1.80    'unordered_pair'( Y, X ) ) ] )
% 1.42/1.80  , clause( 16692, [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16693, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 1.42/1.80  , clause( 16694, [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X
% 1.42/1.80    , singleton( Y ) ) ), 'ordered_pair'( X, Y ) ) ] )
% 1.42/1.80  , clause( 16695, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 1.42/1.80     ) ) ), member( X, Z ) ] )
% 1.42/1.80  , clause( 16696, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 1.42/1.80     ) ) ), member( Y, T ) ] )
% 1.42/1.80  , clause( 16697, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 1.42/1.80    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 1.42/1.80  , clause( 16698, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 1.42/1.80    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 1.42/1.80  , clause( 16699, [ subclass( 'element_relation', 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16700, [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' )
% 1.42/1.80     ), member( X, Y ) ] )
% 1.42/1.80  , clause( 16701, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ), ~( member( X, Y ) ), member( 
% 1.42/1.80    'ordered_pair'( X, Y ), 'element_relation' ) ] )
% 1.42/1.80  , clause( 16702, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16703, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16704, [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, 
% 1.42/1.80    intersection( Y, Z ) ) ] )
% 1.42/1.80  , clause( 16705, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16706, [ ~( member( X, 'universal_class' ) ), member( X, 
% 1.42/1.80    complement( Y ) ), member( X, Y ) ] )
% 1.42/1.80  , clause( 16707, [ =( complement( intersection( complement( X ), complement( 
% 1.42/1.80    Y ) ) ), union( X, Y ) ) ] )
% 1.42/1.80  , clause( 16708, [ =( intersection( complement( intersection( X, Y ) ), 
% 1.42/1.80    complement( intersection( complement( X ), complement( Y ) ) ) ), 
% 1.42/1.80    'symmetric_difference'( X, Y ) ) ] )
% 1.42/1.80  , clause( 16709, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( 
% 1.42/1.80    X, Y, Z ) ) ] )
% 1.42/1.80  , clause( 16710, [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( 
% 1.42/1.80    Z, X, Y ) ) ] )
% 1.42/1.80  , clause( 16711, [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 
% 1.42/1.80    'null_class' ) ), ~( member( Y, 'domain_of'( X ) ) ) ] )
% 1.42/1.80  , clause( 16712, [ ~( member( X, 'universal_class' ) ), =( restrict( Y, 
% 1.42/1.80    singleton( X ), 'universal_class' ), 'null_class' ), member( X, 
% 1.42/1.80    'domain_of'( Y ) ) ] )
% 1.42/1.80  , clause( 16713, [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16714, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 1.42/1.80    rotate( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T )
% 1.42/1.80     ] )
% 1.42/1.80  , clause( 16715, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 1.42/1.80    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 
% 1.42/1.80    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 1.42/1.80    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X )
% 1.42/1.80    , Y ), rotate( T ) ) ] )
% 1.42/1.80  , clause( 16716, [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16717, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 1.42/1.80    flip( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16718, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 1.42/1.80    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 
% 1.42/1.80    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 1.42/1.80    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X )
% 1.42/1.80    , Z ), flip( T ) ) ] )
% 1.42/1.80  , clause( 16719, [ =( 'domain_of'( flip( 'cross_product'( X, 
% 1.42/1.80    'universal_class' ) ) ), inverse( X ) ) ] )
% 1.42/1.80  , clause( 16720, [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ] )
% 1.42/1.80  , clause( 16721, [ =( first( 'not_subclass_element'( restrict( X, Y, 
% 1.42/1.80    singleton( Z ) ), 'null_class' ) ), domain( X, Y, Z ) ) ] )
% 1.42/1.80  , clause( 16722, [ =( second( 'not_subclass_element'( restrict( X, 
% 1.42/1.80    singleton( Y ), Z ), 'null_class' ) ), range( X, Y, Z ) ) ] )
% 1.42/1.80  , clause( 16723, [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), 
% 1.42/1.80    image( X, Y ) ) ] )
% 1.42/1.80  , clause( 16724, [ =( union( X, singleton( X ) ), successor( X ) ) ] )
% 1.42/1.80  , clause( 16725, [ subclass( 'successor_relation', 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16726, [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation'
% 1.42/1.80     ) ), =( successor( X ), Y ) ] )
% 1.42/1.80  , clause( 16727, [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( 
% 1.42/1.80    X, Y ), 'cross_product'( 'universal_class', 'universal_class' ) ) ), 
% 1.42/1.80    member( 'ordered_pair'( X, Y ), 'successor_relation' ) ] )
% 1.42/1.80  , clause( 16728, [ ~( inductive( X ) ), member( 'null_class', X ) ] )
% 1.42/1.80  , clause( 16729, [ ~( inductive( X ) ), subclass( image( 
% 1.42/1.80    'successor_relation', X ), X ) ] )
% 1.42/1.80  , clause( 16730, [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 1.42/1.80    'successor_relation', X ), X ) ), inductive( X ) ] )
% 1.42/1.80  , clause( 16731, [ inductive( omega ) ] )
% 1.42/1.80  , clause( 16732, [ ~( inductive( X ) ), subclass( omega, X ) ] )
% 1.42/1.80  , clause( 16733, [ member( omega, 'universal_class' ) ] )
% 1.42/1.80  , clause( 16734, [ =( 'domain_of'( restrict( 'element_relation', 
% 1.42/1.80    'universal_class', X ) ), 'sum_class'( X ) ) ] )
% 1.42/1.80  , clause( 16735, [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( 
% 1.42/1.80    X ), 'universal_class' ) ] )
% 1.42/1.80  , clause( 16736, [ =( complement( image( 'element_relation', complement( X
% 1.42/1.80     ) ) ), 'power_class'( X ) ) ] )
% 1.42/1.80  , clause( 16737, [ ~( member( X, 'universal_class' ) ), member( 
% 1.42/1.80    'power_class'( X ), 'universal_class' ) ] )
% 1.42/1.80  , clause( 16738, [ subclass( compose( X, Y ), 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16739, [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), 
% 1.42/1.80    member( Y, image( Z, image( T, singleton( X ) ) ) ) ] )
% 1.42/1.80  , clause( 16740, [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) )
% 1.42/1.80    , ~( member( 'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 1.42/1.80    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 1.42/1.80     ) ] )
% 1.42/1.80  , clause( 16741, [ ~( 'single_valued_class'( X ) ), subclass( compose( X, 
% 1.42/1.80    inverse( X ) ), 'identity_relation' ) ] )
% 1.42/1.80  , clause( 16742, [ ~( subclass( compose( X, inverse( X ) ), 
% 1.42/1.80    'identity_relation' ) ), 'single_valued_class'( X ) ] )
% 1.42/1.80  , clause( 16743, [ ~( function( X ) ), subclass( X, 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16744, [ ~( function( X ) ), subclass( compose( X, inverse( X ) )
% 1.42/1.80    , 'identity_relation' ) ] )
% 1.42/1.80  , clause( 16745, [ ~( subclass( X, 'cross_product'( 'universal_class', 
% 1.42/1.80    'universal_class' ) ) ), ~( subclass( compose( X, inverse( X ) ), 
% 1.42/1.80    'identity_relation' ) ), function( X ) ] )
% 1.42/1.80  , clause( 16746, [ ~( function( X ) ), ~( member( Y, 'universal_class' ) )
% 1.42/1.80    , member( image( X, Y ), 'universal_class' ) ] )
% 1.42/1.80  , clause( 16747, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 1.42/1.80  , clause( 16748, [ =( X, 'null_class' ), =( intersection( X, regular( X ) )
% 1.42/1.80    , 'null_class' ) ] )
% 1.42/1.80  , clause( 16749, [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, 
% 1.42/1.80    Y ) ) ] )
% 1.42/1.80  , clause( 16750, [ function( choice ) ] )
% 1.42/1.80  , clause( 16751, [ ~( member( X, 'universal_class' ) ), =( X, 'null_class'
% 1.42/1.80     ), member( apply( choice, X ), X ) ] )
% 1.42/1.80  , clause( 16752, [ ~( 'one_to_one'( X ) ), function( X ) ] )
% 1.42/1.80  , clause( 16753, [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ] )
% 1.42/1.80  , clause( 16754, [ ~( function( inverse( X ) ) ), ~( function( X ) ), 
% 1.42/1.80    'one_to_one'( X ) ] )
% 1.42/1.80  , clause( 16755, [ =( intersection( 'cross_product'( 'universal_class', 
% 1.42/1.80    'universal_class' ), intersection( 'cross_product'( 'universal_class', 
% 1.42/1.80    'universal_class' ), complement( compose( complement( 'element_relation'
% 1.42/1.80     ), inverse( 'element_relation' ) ) ) ) ), 'subset_relation' ) ] )
% 1.42/1.80  , clause( 16756, [ =( intersection( inverse( 'subset_relation' ), 
% 1.42/1.80    'subset_relation' ), 'identity_relation' ) ] )
% 1.42/1.80  , clause( 16757, [ =( complement( 'domain_of'( intersection( X, 
% 1.42/1.80    'identity_relation' ) ) ), diagonalise( X ) ) ] )
% 1.42/1.80  , clause( 16758, [ =( intersection( 'domain_of'( X ), diagonalise( compose( 
% 1.42/1.80    inverse( 'element_relation' ), X ) ) ), cantor( X ) ) ] )
% 1.42/1.80  , clause( 16759, [ ~( operation( X ) ), function( X ) ] )
% 1.42/1.80  , clause( 16760, [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 
% 1.42/1.80    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 1.42/1.80     ] )
% 1.42/1.80  , clause( 16761, [ ~( operation( X ) ), subclass( 'range_of'( X ), 
% 1.42/1.80    'domain_of'( 'domain_of'( X ) ) ) ] )
% 1.42/1.80  , clause( 16762, [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 
% 1.42/1.80    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 1.42/1.80     ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), 
% 1.42/1.80    operation( X ) ] )
% 1.42/1.80  , clause( 16763, [ ~( compatible( X, Y, Z ) ), function( X ) ] )
% 1.42/1.80  , clause( 16764, [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( 
% 1.42/1.80    Y ) ), 'domain_of'( X ) ) ] )
% 1.42/1.80  , clause( 16765, [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 
% 1.42/1.80    'domain_of'( 'domain_of'( Z ) ) ) ] )
% 1.42/1.80  , clause( 16766, [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y )
% 1.42/1.80     ), 'domain_of'( X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 
% 1.42/1.80    'domain_of'( Z ) ) ) ), compatible( X, Y, Z ) ] )
% 1.42/1.80  , clause( 16767, [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ] )
% 1.42/1.80  , clause( 16768, [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ] )
% 1.42/1.80  , clause( 16769, [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ] )
% 1.42/1.80  , clause( 16770, [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( 
% 1.42/1.80    T, U ), 'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T )
% 1.42/1.80    , apply( X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16771, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 1.42/1.80    Z, X, Y ) ), member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 1.42/1.80    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 1.42/1.80    , Y ) ] )
% 1.42/1.80  , clause( 16772, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 1.42/1.80    Z, X, Y ) ), ~( =( apply( Y, 'ordered_pair'( apply( Z, 
% 1.42/1.80    'not_homomorphism1'( Z, X, Y ) ), apply( Z, 'not_homomorphism2'( Z, X, Y
% 1.42/1.80     ) ) ) ), apply( Z, apply( X, 'ordered_pair'( 'not_homomorphism1'( Z, X, 
% 1.42/1.80    Y ), 'not_homomorphism2'( Z, X, Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16773, [ subclass( 'compose_class'( X ), 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16774, [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z )
% 1.42/1.80     ) ), =( compose( Z, X ), Y ) ] )
% 1.42/1.80  , clause( 16775, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) )
% 1.42/1.80    , member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ] )
% 1.42/1.80  , clause( 16776, [ subclass( 'composition_function', 'cross_product'( 
% 1.42/1.80    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 1.42/1.80     ) ) ) ] )
% 1.42/1.80  , clause( 16777, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 1.42/1.80    'composition_function' ) ), =( compose( X, Y ), Z ) ] )
% 1.42/1.80  , clause( 16778, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ), member( 'ordered_pair'( X, 
% 1.42/1.80    'ordered_pair'( Y, compose( X, Y ) ) ), 'composition_function' ) ] )
% 1.42/1.80  , clause( 16779, [ subclass( 'domain_relation', 'cross_product'( 
% 1.42/1.80    'universal_class', 'universal_class' ) ) ] )
% 1.42/1.80  , clause( 16780, [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) )
% 1.42/1.80    , =( 'domain_of'( X ), Y ) ] )
% 1.42/1.80  , clause( 16781, [ ~( member( X, 'universal_class' ) ), member( 
% 1.42/1.80    'ordered_pair'( X, 'domain_of'( X ) ), 'domain_relation' ) ] )
% 1.42/1.80  , clause( 16782, [ =( first( 'not_subclass_element'( compose( X, inverse( X
% 1.42/1.80     ) ), 'identity_relation' ) ), 'single_valued1'( X ) ) ] )
% 1.42/1.80  , clause( 16783, [ =( second( 'not_subclass_element'( compose( X, inverse( 
% 1.42/1.80    X ) ), 'identity_relation' ) ), 'single_valued2'( X ) ) ] )
% 1.42/1.80  , clause( 16784, [ =( domain( X, image( inverse( X ), singleton( 
% 1.42/1.80    'single_valued1'( X ) ) ), 'single_valued2'( X ) ), 'single_valued3'( X )
% 1.42/1.80     ) ] )
% 1.42/1.80  , clause( 16785, [ =( intersection( complement( compose( 'element_relation'
% 1.42/1.80    , complement( 'identity_relation' ) ) ), 'element_relation' ), 
% 1.42/1.80    'singleton_relation' ) ] )
% 1.42/1.80  , clause( 16786, [ subclass( 'application_function', 'cross_product'( 
% 1.42/1.80    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 1.42/1.80     ) ) ) ] )
% 1.42/1.80  , clause( 16787, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 1.42/1.80    'application_function' ) ), member( Y, 'domain_of'( X ) ) ] )
% 1.42/1.80  , clause( 16788, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 1.42/1.80    'application_function' ) ), =( apply( X, Y ), Z ) ] )
% 1.42/1.80  , clause( 16789, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 1.42/1.80    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 1.42/1.80    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 1.42/1.80    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 1.42/1.80    'application_function' ) ] )
% 1.42/1.80  , clause( 16790, [ ~( maps( X, Y, Z ) ), function( X ) ] )
% 1.42/1.80  , clause( 16791, [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ] )
% 1.42/1.80  , clause( 16792, [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16793, [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) )
% 1.42/1.80    , maps( X, 'domain_of'( X ), Y ) ] )
% 1.42/1.80  , clause( 16794, [ member( 'ordered_pair'( u, v ), 'cross_product'( x, y )
% 1.42/1.80     ) ] )
% 1.42/1.80  , clause( 16795, [ ~( member( 'ordered_pair'( v, u ), 'cross_product'( y, x
% 1.42/1.80     ) ) ) ] )
% 1.42/1.80  ] ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 12, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) )
% 1.42/1.80     ), member( X, Z ) ] )
% 1.42/1.80  , clause( 16695, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 1.42/1.80     ) ) ), member( X, Z ) ] )
% 1.42/1.80  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.42/1.80    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 13, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) )
% 1.42/1.80     ), member( Y, T ) ] )
% 1.42/1.80  , clause( 16696, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 1.42/1.80     ) ) ), member( Y, T ) ] )
% 1.42/1.80  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.42/1.80    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 14, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 1.42/1.80    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 1.42/1.80  , clause( 16697, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 1.42/1.80    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 1.42/1.80  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.42/1.80    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 111, [ member( 'ordered_pair'( u, v ), 'cross_product'( x, y ) ) ]
% 1.42/1.80     )
% 1.42/1.80  , clause( 16794, [ member( 'ordered_pair'( u, v ), 'cross_product'( x, y )
% 1.42/1.80     ) ] )
% 1.42/1.80  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 112, [ ~( member( 'ordered_pair'( v, u ), 'cross_product'( y, x ) )
% 1.42/1.80     ) ] )
% 1.42/1.80  , clause( 16795, [ ~( member( 'ordered_pair'( v, u ), 'cross_product'( y, x
% 1.42/1.80     ) ) ) ] )
% 1.42/1.80  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  resolution(
% 1.42/1.80  clause( 16947, [ member( v, y ) ] )
% 1.42/1.80  , clause( 13, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 1.42/1.80     ) ), member( Y, T ) ] )
% 1.42/1.80  , 0, clause( 111, [ member( 'ordered_pair'( u, v ), 'cross_product'( x, y )
% 1.42/1.80     ) ] )
% 1.42/1.80  , 0, substitution( 0, [ :=( X, u ), :=( Y, v ), :=( Z, x ), :=( T, y )] ), 
% 1.42/1.80    substitution( 1, [] )).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 16394, [ member( v, y ) ] )
% 1.42/1.80  , clause( 16947, [ member( v, y ) ] )
% 1.42/1.80  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  resolution(
% 1.42/1.80  clause( 16948, [ member( u, x ) ] )
% 1.42/1.80  , clause( 12, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T )
% 1.42/1.80     ) ), member( X, Z ) ] )
% 1.42/1.80  , 0, clause( 111, [ member( 'ordered_pair'( u, v ), 'cross_product'( x, y )
% 1.42/1.80     ) ] )
% 1.42/1.80  , 0, substitution( 0, [ :=( X, u ), :=( Y, v ), :=( Z, x ), :=( T, y )] ), 
% 1.42/1.80    substitution( 1, [] )).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 16395, [ member( u, x ) ] )
% 1.42/1.80  , clause( 16948, [ member( u, x ) ] )
% 1.42/1.80  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  resolution(
% 1.42/1.80  clause( 16949, [ ~( member( v, y ) ), ~( member( u, x ) ) ] )
% 1.42/1.80  , clause( 112, [ ~( member( 'ordered_pair'( v, u ), 'cross_product'( y, x )
% 1.42/1.80     ) ) ] )
% 1.42/1.80  , 0, clause( 14, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 1.42/1.80    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 1.42/1.80  , 2, substitution( 0, [] ), substitution( 1, [ :=( X, v ), :=( Y, y ), :=( 
% 1.42/1.80    Z, u ), :=( T, x )] )).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  resolution(
% 1.42/1.80  clause( 16950, [ ~( member( u, x ) ) ] )
% 1.42/1.80  , clause( 16949, [ ~( member( v, y ) ), ~( member( u, x ) ) ] )
% 1.42/1.80  , 0, clause( 16394, [ member( v, y ) ] )
% 1.42/1.80  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 16594, [ ~( member( u, x ) ) ] )
% 1.42/1.80  , clause( 16950, [ ~( member( u, x ) ) ] )
% 1.42/1.80  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  resolution(
% 1.42/1.80  clause( 16951, [] )
% 1.42/1.80  , clause( 16594, [ ~( member( u, x ) ) ] )
% 1.42/1.80  , 0, clause( 16395, [ member( u, x ) ] )
% 1.42/1.80  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  subsumption(
% 1.42/1.80  clause( 16680, [] )
% 1.42/1.80  , clause( 16951, [] )
% 1.42/1.80  , substitution( 0, [] ), permutation( 0, [] ) ).
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  end.
% 1.42/1.80  
% 1.42/1.80  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.42/1.80  
% 1.42/1.80  Memory use:
% 1.42/1.80  
% 1.42/1.80  space for terms:        266023
% 1.42/1.80  space for clauses:      800366
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  clauses generated:      35533
% 1.42/1.80  clauses kept:           16681
% 1.42/1.80  clauses selected:       462
% 1.42/1.80  clauses deleted:        100
% 1.42/1.80  clauses inuse deleted:  85
% 1.42/1.80  
% 1.42/1.80  subsentry:          74485
% 1.42/1.80  literals s-matched: 55075
% 1.42/1.80  literals matched:   54188
% 1.42/1.80  full subsumption:   22945
% 1.42/1.80  
% 1.42/1.80  checksum:           -208807834
% 1.42/1.80  
% 1.42/1.80  
% 1.42/1.80  Bliksem ended
%------------------------------------------------------------------------------