TSTP Solution File: SET152-6 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET152-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n029.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 22:47:39 EDT 2022

% Result   : Unsatisfiable 0.75s 1.39s
% Output   : Refutation 0.75s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SET152-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.12/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n029.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 06:13:17 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.71/1.11  *** allocated 10000 integers for termspace/termends
% 0.71/1.11  *** allocated 10000 integers for clauses
% 0.71/1.11  *** allocated 10000 integers for justifications
% 0.71/1.11  Bliksem 1.12
% 0.71/1.11  
% 0.71/1.11  
% 0.71/1.11  Automatic Strategy Selection
% 0.71/1.11  
% 0.71/1.11  Clauses:
% 0.71/1.11  [
% 0.71/1.11     [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.71/1.11     [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y ) ],
% 0.71/1.11     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X, Y ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ subclass( X, 'universal_class' ) ],
% 0.71/1.11     [ ~( =( X, Y ) ), subclass( X, Y ) ],
% 0.71/1.11     [ ~( =( X, Y ) ), subclass( Y, X ) ],
% 0.71/1.11     [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ],
% 0.71/1.11     [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( X, Y
% 0.71/1.11     ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( Y, X
% 0.71/1.11     ) ) ],
% 0.71/1.11     [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ],
% 0.71/1.11     [ =( 'unordered_pair'( X, X ), singleton( X ) ) ],
% 0.71/1.11     [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, singleton( Y
% 0.71/1.11     ) ) ), 'ordered_pair'( X, Y ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    X, Z ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.71/1.11    Y, T ) ],
% 0.71/1.11     [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 'ordered_pair'( X, Z
% 0.71/1.11     ), 'cross_product'( Y, T ) ) ],
% 0.71/1.11     [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( first( X
% 0.71/1.11     ), second( X ) ), X ) ],
% 0.71/1.11     [ subclass( 'element_relation', 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) ), member( X, 
% 0.71/1.11    Y ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.71/1.11    , 'universal_class' ) ) ), ~( member( X, Y ) ), member( 'ordered_pair'( X
% 0.71/1.11    , Y ), 'element_relation' ) ],
% 0.71/1.11     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.71/1.11     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.71/1.11     [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, intersection( Y, 
% 0.71/1.11    Z ) ) ],
% 0.71/1.11     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( X, complement( Y ) ), 
% 0.71/1.11    member( X, Y ) ],
% 0.71/1.11     [ =( complement( intersection( complement( X ), complement( Y ) ) ), 
% 0.71/1.11    union( X, Y ) ) ],
% 0.71/1.11     [ =( intersection( complement( intersection( X, Y ) ), complement( 
% 0.71/1.11    intersection( complement( X ), complement( Y ) ) ) ), 
% 0.71/1.11    'symmetric_difference'( X, Y ) ) ],
% 0.71/1.11     [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y, Z ) ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z, X, Y ) ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 'null_class' )
% 0.71/1.11     ), ~( member( Y, 'domain_of'( X ) ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), =( restrict( Y, singleton( X ), 
% 0.71/1.11    'universal_class' ), 'null_class' ), member( X, 'domain_of'( Y ) ) ],
% 0.71/1.11     [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.71/1.11    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), rotate( T ) )
% 0.71/1.11     ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.71/1.11    member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 'cross_product'( 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.71/1.11    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X ), 
% 0.71/1.11    Y ), rotate( T ) ) ],
% 0.71/1.11     [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.71/1.11    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), flip( T ) ) )
% 0.71/1.11    , member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.71/1.11    member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 'cross_product'( 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.71/1.11    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), 
% 0.71/1.11    Z ), flip( T ) ) ],
% 0.71/1.11     [ =( 'domain_of'( flip( 'cross_product'( X, 'universal_class' ) ) ), 
% 0.71/1.11    inverse( X ) ) ],
% 0.71/1.11     [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ],
% 0.71/1.11     [ =( first( 'not_subclass_element'( restrict( X, Y, singleton( Z ) ), 
% 0.71/1.11    'null_class' ) ), domain( X, Y, Z ) ) ],
% 0.71/1.11     [ =( second( 'not_subclass_element'( restrict( X, singleton( Y ), Z ), 
% 0.71/1.11    'null_class' ) ), range( X, Y, Z ) ) ],
% 0.71/1.11     [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), image( X, Y ) )
% 0.71/1.11     ],
% 0.71/1.11     [ =( union( X, singleton( X ) ), successor( X ) ) ],
% 0.71/1.11     [ subclass( 'successor_relation', 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' ) ), =( 
% 0.71/1.11    successor( X ), Y ) ],
% 0.71/1.11     [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X, Y ), 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ) ) ), member( 
% 0.71/1.11    'ordered_pair'( X, Y ), 'successor_relation' ) ],
% 0.71/1.11     [ ~( inductive( X ) ), member( 'null_class', X ) ],
% 0.71/1.11     [ ~( inductive( X ) ), subclass( image( 'successor_relation', X ), X ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.71/1.11    'successor_relation', X ), X ) ), inductive( X ) ],
% 0.71/1.11     [ inductive( omega ) ],
% 0.71/1.11     [ ~( inductive( X ) ), subclass( omega, X ) ],
% 0.71/1.11     [ member( omega, 'universal_class' ) ],
% 0.71/1.11     [ =( 'domain_of'( restrict( 'element_relation', 'universal_class', X ) )
% 0.71/1.11    , 'sum_class'( X ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( X ), 
% 0.71/1.11    'universal_class' ) ],
% 0.71/1.11     [ =( complement( image( 'element_relation', complement( X ) ) ), 
% 0.71/1.11    'power_class'( X ) ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( 'power_class'( X ), 
% 0.71/1.11    'universal_class' ) ],
% 0.71/1.11     [ subclass( compose( X, Y ), 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), member( Y, 
% 0.71/1.11    image( Z, image( T, singleton( X ) ) ) ) ],
% 0.71/1.11     [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), ~( member( 
% 0.71/1.11    'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.71/1.11     ) ],
% 0.71/1.11     [ ~( 'single_valued_class'( X ) ), subclass( compose( X, inverse( X ) )
% 0.71/1.11    , 'identity_relation' ) ],
% 0.71/1.11     [ ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) ), 
% 0.71/1.11    'single_valued_class'( X ) ],
% 0.71/1.11     [ ~( function( X ) ), subclass( X, 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.71/1.11    'identity_relation' ) ],
% 0.71/1.11     [ ~( subclass( X, 'cross_product'( 'universal_class', 'universal_class'
% 0.71/1.11     ) ) ), ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) )
% 0.71/1.11    , function( X ) ],
% 0.71/1.11     [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), member( image( 
% 0.71/1.11    X, Y ), 'universal_class' ) ],
% 0.71/1.11     [ =( X, 'null_class' ), member( regular( X ), X ) ],
% 0.71/1.11     [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 'null_class'
% 0.71/1.11     ) ],
% 0.71/1.11     [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y ) ) ],
% 0.71/1.11     [ function( choice ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' ), member( 
% 0.71/1.11    apply( choice, X ), X ) ],
% 0.71/1.11     [ ~( 'one_to_one'( X ) ), function( X ) ],
% 0.71/1.11     [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ],
% 0.71/1.11     [ ~( function( inverse( X ) ) ), ~( function( X ) ), 'one_to_one'( X ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ =( intersection( 'cross_product'( 'universal_class', 'universal_class'
% 0.71/1.11     ), intersection( 'cross_product'( 'universal_class', 'universal_class' )
% 0.71/1.11    , complement( compose( complement( 'element_relation' ), inverse( 
% 0.71/1.11    'element_relation' ) ) ) ) ), 'subset_relation' ) ],
% 0.71/1.11     [ =( intersection( inverse( 'subset_relation' ), 'subset_relation' ), 
% 0.71/1.11    'identity_relation' ) ],
% 0.71/1.11     [ =( complement( 'domain_of'( intersection( X, 'identity_relation' ) ) )
% 0.71/1.11    , diagonalise( X ) ) ],
% 0.71/1.11     [ =( intersection( 'domain_of'( X ), diagonalise( compose( inverse( 
% 0.71/1.11    'element_relation' ), X ) ) ), cantor( X ) ) ],
% 0.71/1.11     [ ~( operation( X ) ), function( X ) ],
% 0.71/1.11     [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 'domain_of'( X )
% 0.71/1.11     ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ],
% 0.71/1.11     [ ~( operation( X ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.71/1.11    'domain_of'( X ) ) ) ],
% 0.71/1.11     [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 'domain_of'( X
% 0.71/1.11     ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ), ~( 
% 0.71/1.11    subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), operation( 
% 0.71/1.11    X ) ],
% 0.71/1.11     [ ~( compatible( X, Y, Z ) ), function( X ) ],
% 0.71/1.11     [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y ) ), 
% 0.71/1.11    'domain_of'( X ) ) ],
% 0.71/1.11     [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.71/1.11    'domain_of'( Z ) ) ) ],
% 0.71/1.11     [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) ), 'domain_of'( 
% 0.71/1.11    X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( Z ) ) )
% 0.71/1.11     ), compatible( X, Y, Z ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ],
% 0.71/1.11     [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T, U ), 
% 0.71/1.11    'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), apply( 
% 0.71/1.11    X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ],
% 0.71/1.11     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.71/1.11    member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.71/1.11    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.71/1.11    , Y ) ],
% 0.71/1.11     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.71/1.11    ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( Z, X, Y )
% 0.71/1.11     ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, apply( X, 
% 0.71/1.11    'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 'not_homomorphism2'( Z, X
% 0.71/1.11    , Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ],
% 0.71/1.11     [ subclass( 'compose_class'( X ), 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ), =( 
% 0.71/1.11    compose( Z, X ), Y ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.71/1.11    , 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) ), member( 
% 0.71/1.11    'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ],
% 0.71/1.11     [ subclass( 'composition_function', 'cross_product'( 'universal_class', 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.71/1.11    'composition_function' ) ), =( compose( X, Y ), Z ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.71/1.11    , 'universal_class' ) ) ), member( 'ordered_pair'( X, 'ordered_pair'( Y, 
% 0.71/1.11    compose( X, Y ) ) ), 'composition_function' ) ],
% 0.71/1.11     [ subclass( 'domain_relation', 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) ), =( 
% 0.71/1.11    'domain_of'( X ), Y ) ],
% 0.71/1.11     [ ~( member( X, 'universal_class' ) ), member( 'ordered_pair'( X, 
% 0.71/1.11    'domain_of'( X ) ), 'domain_relation' ) ],
% 0.71/1.11     [ =( first( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.71/1.11    'identity_relation' ) ), 'single_valued1'( X ) ) ],
% 0.71/1.11     [ =( second( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.71/1.11    'identity_relation' ) ), 'single_valued2'( X ) ) ],
% 0.71/1.11     [ =( domain( X, image( inverse( X ), singleton( 'single_valued1'( X ) )
% 0.71/1.11     ), 'single_valued2'( X ) ), 'single_valued3'( X ) ) ],
% 0.71/1.11     [ =( intersection( complement( compose( 'element_relation', complement( 
% 0.71/1.11    'identity_relation' ) ) ), 'element_relation' ), 'singleton_relation' ) ]
% 0.71/1.11    ,
% 0.71/1.11     [ subclass( 'application_function', 'cross_product'( 'universal_class', 
% 0.71/1.11    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.71/1.11    'application_function' ) ), member( Y, 'domain_of'( X ) ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.71/1.11    'application_function' ) ), =( apply( X, Y ), Z ) ],
% 0.71/1.11     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.71/1.11    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 0.71/1.11    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 0.71/1.11    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 0.71/1.11    'application_function' ) ],
% 0.71/1.11     [ ~( maps( X, Y, Z ) ), function( X ) ],
% 0.71/1.11     [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ],
% 0.75/1.39     [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ],
% 0.75/1.39     [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) ), maps( X, 
% 0.75/1.39    'domain_of'( X ), Y ) ],
% 0.75/1.39     [ ~( =( complement( 'universal_class' ), 'null_class' ) ) ]
% 0.75/1.39  ] .
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  percentage equality = 0.228311, percentage horn = 0.929204
% 0.75/1.39  This is a problem with some equality
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  Options Used:
% 0.75/1.39  
% 0.75/1.39  useres =            1
% 0.75/1.39  useparamod =        1
% 0.75/1.39  useeqrefl =         1
% 0.75/1.39  useeqfact =         1
% 0.75/1.39  usefactor =         1
% 0.75/1.39  usesimpsplitting =  0
% 0.75/1.39  usesimpdemod =      5
% 0.75/1.39  usesimpres =        3
% 0.75/1.39  
% 0.75/1.39  resimpinuse      =  1000
% 0.75/1.39  resimpclauses =     20000
% 0.75/1.39  substype =          eqrewr
% 0.75/1.39  backwardsubs =      1
% 0.75/1.39  selectoldest =      5
% 0.75/1.39  
% 0.75/1.39  litorderings [0] =  split
% 0.75/1.39  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.75/1.39  
% 0.75/1.39  termordering =      kbo
% 0.75/1.39  
% 0.75/1.39  litapriori =        0
% 0.75/1.39  termapriori =       1
% 0.75/1.39  litaposteriori =    0
% 0.75/1.39  termaposteriori =   0
% 0.75/1.39  demodaposteriori =  0
% 0.75/1.39  ordereqreflfact =   0
% 0.75/1.39  
% 0.75/1.39  litselect =         negord
% 0.75/1.39  
% 0.75/1.39  maxweight =         15
% 0.75/1.39  maxdepth =          30000
% 0.75/1.39  maxlength =         115
% 0.75/1.39  maxnrvars =         195
% 0.75/1.39  excuselevel =       1
% 0.75/1.39  increasemaxweight = 1
% 0.75/1.39  
% 0.75/1.39  maxselected =       10000000
% 0.75/1.39  maxnrclauses =      10000000
% 0.75/1.39  
% 0.75/1.39  showgenerated =    0
% 0.75/1.39  showkept =         0
% 0.75/1.39  showselected =     0
% 0.75/1.39  showdeleted =      0
% 0.75/1.39  showresimp =       1
% 0.75/1.39  showstatus =       2000
% 0.75/1.39  
% 0.75/1.39  prologoutput =     1
% 0.75/1.39  nrgoals =          5000000
% 0.75/1.39  totalproof =       1
% 0.75/1.39  
% 0.75/1.39  Symbols occurring in the translation:
% 0.75/1.39  
% 0.75/1.39  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.75/1.39  .  [1, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 0.75/1.39  !  [4, 1]      (w:0, o:33, a:1, s:1, b:0), 
% 0.75/1.39  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.75/1.39  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.75/1.39  subclass  [41, 2]      (w:1, o:87, a:1, s:1, b:0), 
% 0.75/1.39  member  [43, 2]      (w:1, o:88, a:1, s:1, b:0), 
% 0.75/1.39  'not_subclass_element'  [44, 2]      (w:1, o:89, a:1, s:1, b:0), 
% 0.75/1.39  'universal_class'  [45, 0]      (w:1, o:22, a:1, s:1, b:0), 
% 0.75/1.39  'unordered_pair'  [46, 2]      (w:1, o:90, a:1, s:1, b:0), 
% 0.75/1.39  singleton  [47, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 0.75/1.39  'ordered_pair'  [48, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 0.75/1.39  'cross_product'  [50, 2]      (w:1, o:92, a:1, s:1, b:0), 
% 0.75/1.39  first  [52, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 0.75/1.39  second  [53, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 0.75/1.39  'element_relation'  [54, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 0.75/1.39  intersection  [55, 2]      (w:1, o:94, a:1, s:1, b:0), 
% 0.75/1.39  complement  [56, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 0.75/1.39  union  [57, 2]      (w:1, o:95, a:1, s:1, b:0), 
% 0.75/1.39  'symmetric_difference'  [58, 2]      (w:1, o:96, a:1, s:1, b:0), 
% 0.75/1.39  restrict  [60, 3]      (w:1, o:99, a:1, s:1, b:0), 
% 0.75/1.39  'null_class'  [61, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 0.75/1.39  'domain_of'  [62, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 0.75/1.39  rotate  [63, 1]      (w:1, o:38, a:1, s:1, b:0), 
% 0.75/1.39  flip  [65, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 0.75/1.39  inverse  [66, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 0.75/1.39  'range_of'  [67, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 0.75/1.39  domain  [68, 3]      (w:1, o:101, a:1, s:1, b:0), 
% 0.75/1.39  range  [69, 3]      (w:1, o:102, a:1, s:1, b:0), 
% 0.75/1.39  image  [70, 2]      (w:1, o:93, a:1, s:1, b:0), 
% 0.75/1.39  successor  [71, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 0.75/1.39  'successor_relation'  [72, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 0.75/1.39  inductive  [73, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 0.75/1.39  omega  [74, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.75/1.39  'sum_class'  [75, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 0.75/1.39  'power_class'  [76, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 0.75/1.39  compose  [78, 2]      (w:1, o:97, a:1, s:1, b:0), 
% 0.75/1.39  'single_valued_class'  [79, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 0.75/1.39  'identity_relation'  [80, 0]      (w:1, o:29, a:1, s:1, b:0), 
% 0.75/1.39  function  [82, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 0.75/1.39  regular  [83, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 0.75/1.39  apply  [84, 2]      (w:1, o:98, a:1, s:1, b:0), 
% 0.75/1.39  choice  [85, 0]      (w:1, o:30, a:1, s:1, b:0), 
% 0.75/1.39  'one_to_one'  [86, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 0.75/1.39  'subset_relation'  [87, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 0.75/1.39  diagonalise  [88, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 0.75/1.39  cantor  [89, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 0.75/1.39  operation  [90, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 0.75/1.39  compatible  [94, 3]      (w:1, o:100, a:1, s:1, b:0), 
% 0.75/1.39  homomorphism  [95, 3]      (w:1, o:103, a:1, s:1, b:0), 
% 0.75/1.39  'not_homomorphism1'  [96, 3]      (w:1, o:105, a:1, s:1, b:0), 
% 0.75/1.39  'not_homomorphism2'  [97, 3]      (w:1, o:106, a:1, s:1, b:0), 
% 0.75/1.39  'compose_class'  [98, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 0.75/1.39  'composition_function'  [99, 0]      (w:1, o:31, a:1, s:1, b:0), 
% 0.75/1.39  'domain_relation'  [100, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 0.75/1.39  'single_valued1'  [101, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 0.75/1.39  'single_valued2'  [102, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 0.75/1.39  'single_valued3'  [103, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 0.75/1.39  'singleton_relation'  [104, 0]      (w:1, o:7, a:1, s:1, b:0), 
% 0.75/1.39  'application_function'  [105, 0]      (w:1, o:32, a:1, s:1, b:0), 
% 0.75/1.39  maps  [106, 3]      (w:1, o:104, a:1, s:1, b:0).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  Starting Search:
% 0.75/1.39  
% 0.75/1.39  Resimplifying inuse:
% 0.75/1.39  Done
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  Intermediate Status:
% 0.75/1.39  Generated:    4959
% 0.75/1.39  Kept:         2038
% 0.75/1.39  Inuse:        101
% 0.75/1.39  Deleted:      7
% 0.75/1.39  Deletedinuse: 2
% 0.75/1.39  
% 0.75/1.39  Resimplifying inuse:
% 0.75/1.39  Done
% 0.75/1.39  
% 0.75/1.39  Resimplifying inuse:
% 0.75/1.39  Done
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  Intermediate Status:
% 0.75/1.39  Generated:    9632
% 0.75/1.39  Kept:         4040
% 0.75/1.39  Inuse:        184
% 0.75/1.39  Deleted:      19
% 0.75/1.39  Deletedinuse: 7
% 0.75/1.39  
% 0.75/1.39  Resimplifying inuse:
% 0.75/1.39  Done
% 0.75/1.39  
% 0.75/1.39  Resimplifying inuse:
% 0.75/1.39  Done
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  Intermediate Status:
% 0.75/1.39  Generated:    13593
% 0.75/1.39  Kept:         6100
% 0.75/1.39  Inuse:        237
% 0.75/1.39  Deleted:      22
% 0.75/1.39  Deletedinuse: 8
% 0.75/1.39  
% 0.75/1.39  Resimplifying inuse:
% 0.75/1.39  Done
% 0.75/1.39  
% 0.75/1.39  Resimplifying inuse:
% 0.75/1.39  
% 0.75/1.39  Bliksems!, er is een bewijs:
% 0.75/1.39  % SZS status Unsatisfiable
% 0.75/1.39  % SZS output start Refutation
% 0.75/1.39  
% 0.75/1.39  clause( 0, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ]
% 0.75/1.39     )
% 0.75/1.39  .
% 0.75/1.39  clause( 3, [ subclass( X, 'universal_class' ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 22, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 64, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 111, [ ~( =( complement( 'universal_class' ), 'null_class' ) ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 127, [ ~( member( X, Y ) ), member( X, 'universal_class' ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 1878, [ ~( member( X, complement( 'universal_class' ) ) ), ~( 
% 0.75/1.39    member( X, Y ) ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 1902, [ ~( member( X, complement( 'universal_class' ) ) ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 6807, [ =( complement( 'universal_class' ), 'null_class' ) ] )
% 0.75/1.39  .
% 0.75/1.39  clause( 7395, [] )
% 0.75/1.39  .
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  % SZS output end Refutation
% 0.75/1.39  found a proof!
% 0.75/1.39  
% 0.75/1.39  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.75/1.39  
% 0.75/1.39  initialclauses(
% 0.75/1.39  [ clause( 7397, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y
% 0.75/1.39     ) ] )
% 0.75/1.39  , clause( 7398, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 0.75/1.39    , Y ) ] )
% 0.75/1.39  , clause( 7399, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 0.75/1.39    subclass( X, Y ) ] )
% 0.75/1.39  , clause( 7400, [ subclass( X, 'universal_class' ) ] )
% 0.75/1.39  , clause( 7401, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 0.75/1.39  , clause( 7402, [ ~( =( X, Y ) ), subclass( Y, X ) ] )
% 0.75/1.39  , clause( 7403, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7404, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 0.75/1.39    =( X, Z ) ] )
% 0.75/1.39  , clause( 7405, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.75/1.39    'unordered_pair'( X, Y ) ) ] )
% 0.75/1.39  , clause( 7406, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.75/1.39    'unordered_pair'( Y, X ) ) ] )
% 0.75/1.39  , clause( 7407, [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7408, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 0.75/1.39  , clause( 7409, [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X
% 0.75/1.39    , singleton( Y ) ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.75/1.39  , clause( 7410, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 0.75/1.39     ) ) ), member( X, Z ) ] )
% 0.75/1.39  , clause( 7411, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 0.75/1.39     ) ) ), member( Y, T ) ] )
% 0.75/1.39  , clause( 7412, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 0.75/1.39    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 0.75/1.39  , clause( 7413, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 0.75/1.39    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 0.75/1.39  , clause( 7414, [ subclass( 'element_relation', 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7415, [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) )
% 0.75/1.39    , member( X, Y ) ] )
% 0.75/1.39  , clause( 7416, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ), ~( member( X, Y ) ), member( 
% 0.75/1.39    'ordered_pair'( X, Y ), 'element_relation' ) ] )
% 0.75/1.39  , clause( 7417, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7418, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7419, [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, 
% 0.75/1.39    intersection( Y, Z ) ) ] )
% 0.75/1.39  , clause( 7420, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7421, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.75/1.39    complement( Y ) ), member( X, Y ) ] )
% 0.75/1.39  , clause( 7422, [ =( complement( intersection( complement( X ), complement( 
% 0.75/1.39    Y ) ) ), union( X, Y ) ) ] )
% 0.75/1.39  , clause( 7423, [ =( intersection( complement( intersection( X, Y ) ), 
% 0.75/1.39    complement( intersection( complement( X ), complement( Y ) ) ) ), 
% 0.75/1.39    'symmetric_difference'( X, Y ) ) ] )
% 0.75/1.39  , clause( 7424, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( 
% 0.75/1.39    X, Y, Z ) ) ] )
% 0.75/1.39  , clause( 7425, [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( 
% 0.75/1.39    Z, X, Y ) ) ] )
% 0.75/1.39  , clause( 7426, [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 
% 0.75/1.39    'null_class' ) ), ~( member( Y, 'domain_of'( X ) ) ) ] )
% 0.75/1.39  , clause( 7427, [ ~( member( X, 'universal_class' ) ), =( restrict( Y, 
% 0.75/1.39    singleton( X ), 'universal_class' ), 'null_class' ), member( X, 
% 0.75/1.39    'domain_of'( Y ) ) ] )
% 0.75/1.39  , clause( 7428, [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7429, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 0.75/1.39    rotate( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T )
% 0.75/1.39     ] )
% 0.75/1.39  , clause( 7430, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T
% 0.75/1.39     ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 
% 0.75/1.39    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 0.75/1.39    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X )
% 0.75/1.39    , Y ), rotate( T ) ) ] )
% 0.75/1.39  , clause( 7431, [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7432, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 0.75/1.39    flip( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7433, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T
% 0.75/1.39     ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 
% 0.75/1.39    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 0.75/1.39    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X )
% 0.75/1.39    , Z ), flip( T ) ) ] )
% 0.75/1.39  , clause( 7434, [ =( 'domain_of'( flip( 'cross_product'( X, 
% 0.75/1.39    'universal_class' ) ) ), inverse( X ) ) ] )
% 0.75/1.39  , clause( 7435, [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ] )
% 0.75/1.39  , clause( 7436, [ =( first( 'not_subclass_element'( restrict( X, Y, 
% 0.75/1.39    singleton( Z ) ), 'null_class' ) ), domain( X, Y, Z ) ) ] )
% 0.75/1.39  , clause( 7437, [ =( second( 'not_subclass_element'( restrict( X, singleton( 
% 0.75/1.39    Y ), Z ), 'null_class' ) ), range( X, Y, Z ) ) ] )
% 0.75/1.39  , clause( 7438, [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), 
% 0.75/1.39    image( X, Y ) ) ] )
% 0.75/1.39  , clause( 7439, [ =( union( X, singleton( X ) ), successor( X ) ) ] )
% 0.75/1.39  , clause( 7440, [ subclass( 'successor_relation', 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7441, [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' )
% 0.75/1.39     ), =( successor( X ), Y ) ] )
% 0.75/1.39  , clause( 7442, [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X
% 0.75/1.39    , Y ), 'cross_product'( 'universal_class', 'universal_class' ) ) ), 
% 0.75/1.39    member( 'ordered_pair'( X, Y ), 'successor_relation' ) ] )
% 0.75/1.39  , clause( 7443, [ ~( inductive( X ) ), member( 'null_class', X ) ] )
% 0.75/1.39  , clause( 7444, [ ~( inductive( X ) ), subclass( image( 
% 0.75/1.39    'successor_relation', X ), X ) ] )
% 0.75/1.39  , clause( 7445, [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.75/1.39    'successor_relation', X ), X ) ), inductive( X ) ] )
% 0.75/1.39  , clause( 7446, [ inductive( omega ) ] )
% 0.75/1.39  , clause( 7447, [ ~( inductive( X ) ), subclass( omega, X ) ] )
% 0.75/1.39  , clause( 7448, [ member( omega, 'universal_class' ) ] )
% 0.75/1.39  , clause( 7449, [ =( 'domain_of'( restrict( 'element_relation', 
% 0.75/1.39    'universal_class', X ) ), 'sum_class'( X ) ) ] )
% 0.75/1.39  , clause( 7450, [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( 
% 0.75/1.39    X ), 'universal_class' ) ] )
% 0.75/1.39  , clause( 7451, [ =( complement( image( 'element_relation', complement( X )
% 0.75/1.39     ) ), 'power_class'( X ) ) ] )
% 0.75/1.39  , clause( 7452, [ ~( member( X, 'universal_class' ) ), member( 
% 0.75/1.39    'power_class'( X ), 'universal_class' ) ] )
% 0.75/1.39  , clause( 7453, [ subclass( compose( X, Y ), 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7454, [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), 
% 0.75/1.39    member( Y, image( Z, image( T, singleton( X ) ) ) ) ] )
% 0.75/1.39  , clause( 7455, [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) )
% 0.75/1.39    , ~( member( 'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.75/1.39    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.75/1.39     ) ] )
% 0.75/1.39  , clause( 7456, [ ~( 'single_valued_class'( X ) ), subclass( compose( X, 
% 0.75/1.39    inverse( X ) ), 'identity_relation' ) ] )
% 0.75/1.39  , clause( 7457, [ ~( subclass( compose( X, inverse( X ) ), 
% 0.75/1.39    'identity_relation' ) ), 'single_valued_class'( X ) ] )
% 0.75/1.39  , clause( 7458, [ ~( function( X ) ), subclass( X, 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7459, [ ~( function( X ) ), subclass( compose( X, inverse( X ) )
% 0.75/1.39    , 'identity_relation' ) ] )
% 0.75/1.39  , clause( 7460, [ ~( subclass( X, 'cross_product'( 'universal_class', 
% 0.75/1.39    'universal_class' ) ) ), ~( subclass( compose( X, inverse( X ) ), 
% 0.75/1.39    'identity_relation' ) ), function( X ) ] )
% 0.75/1.39  , clause( 7461, [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), 
% 0.75/1.39    member( image( X, Y ), 'universal_class' ) ] )
% 0.75/1.39  , clause( 7462, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 0.75/1.39  , clause( 7463, [ =( X, 'null_class' ), =( intersection( X, regular( X ) )
% 0.75/1.39    , 'null_class' ) ] )
% 0.75/1.39  , clause( 7464, [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y
% 0.75/1.39     ) ) ] )
% 0.75/1.39  , clause( 7465, [ function( choice ) ] )
% 0.75/1.39  , clause( 7466, [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' )
% 0.75/1.39    , member( apply( choice, X ), X ) ] )
% 0.75/1.39  , clause( 7467, [ ~( 'one_to_one'( X ) ), function( X ) ] )
% 0.75/1.39  , clause( 7468, [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ] )
% 0.75/1.39  , clause( 7469, [ ~( function( inverse( X ) ) ), ~( function( X ) ), 
% 0.75/1.39    'one_to_one'( X ) ] )
% 0.75/1.39  , clause( 7470, [ =( intersection( 'cross_product'( 'universal_class', 
% 0.75/1.39    'universal_class' ), intersection( 'cross_product'( 'universal_class', 
% 0.75/1.39    'universal_class' ), complement( compose( complement( 'element_relation'
% 0.75/1.39     ), inverse( 'element_relation' ) ) ) ) ), 'subset_relation' ) ] )
% 0.75/1.39  , clause( 7471, [ =( intersection( inverse( 'subset_relation' ), 
% 0.75/1.39    'subset_relation' ), 'identity_relation' ) ] )
% 0.75/1.39  , clause( 7472, [ =( complement( 'domain_of'( intersection( X, 
% 0.75/1.39    'identity_relation' ) ) ), diagonalise( X ) ) ] )
% 0.75/1.39  , clause( 7473, [ =( intersection( 'domain_of'( X ), diagonalise( compose( 
% 0.75/1.39    inverse( 'element_relation' ), X ) ) ), cantor( X ) ) ] )
% 0.75/1.39  , clause( 7474, [ ~( operation( X ) ), function( X ) ] )
% 0.75/1.39  , clause( 7475, [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 
% 0.75/1.39    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 0.75/1.39     ] )
% 0.75/1.39  , clause( 7476, [ ~( operation( X ) ), subclass( 'range_of'( X ), 
% 0.75/1.39    'domain_of'( 'domain_of'( X ) ) ) ] )
% 0.75/1.39  , clause( 7477, [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 
% 0.75/1.39    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 0.75/1.39     ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), 
% 0.75/1.39    operation( X ) ] )
% 0.75/1.39  , clause( 7478, [ ~( compatible( X, Y, Z ) ), function( X ) ] )
% 0.75/1.39  , clause( 7479, [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( 
% 0.75/1.39    Y ) ), 'domain_of'( X ) ) ] )
% 0.75/1.39  , clause( 7480, [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 
% 0.75/1.39    'domain_of'( 'domain_of'( Z ) ) ) ] )
% 0.75/1.39  , clause( 7481, [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) )
% 0.75/1.39    , 'domain_of'( X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 
% 0.75/1.39    'domain_of'( Z ) ) ) ), compatible( X, Y, Z ) ] )
% 0.75/1.39  , clause( 7482, [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ] )
% 0.75/1.39  , clause( 7483, [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ] )
% 0.75/1.39  , clause( 7484, [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ] )
% 0.75/1.39  , clause( 7485, [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( 
% 0.75/1.39    T, U ), 'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T )
% 0.75/1.39    , apply( X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7486, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 0.75/1.39    Z, X, Y ) ), member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.75/1.39    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.75/1.39    , Y ) ] )
% 0.75/1.39  , clause( 7487, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 0.75/1.39    Z, X, Y ) ), ~( =( apply( Y, 'ordered_pair'( apply( Z, 
% 0.75/1.39    'not_homomorphism1'( Z, X, Y ) ), apply( Z, 'not_homomorphism2'( Z, X, Y
% 0.75/1.39     ) ) ) ), apply( Z, apply( X, 'ordered_pair'( 'not_homomorphism1'( Z, X, 
% 0.75/1.39    Y ), 'not_homomorphism2'( Z, X, Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7488, [ subclass( 'compose_class'( X ), 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7489, [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) )
% 0.75/1.39     ), =( compose( Z, X ), Y ) ] )
% 0.75/1.39  , clause( 7490, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) )
% 0.75/1.39    , member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ] )
% 0.75/1.39  , clause( 7491, [ subclass( 'composition_function', 'cross_product'( 
% 0.75/1.39    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 0.75/1.39     ) ) ) ] )
% 0.75/1.39  , clause( 7492, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.75/1.39    'composition_function' ) ), =( compose( X, Y ), Z ) ] )
% 0.75/1.39  , clause( 7493, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ), member( 'ordered_pair'( X, 
% 0.75/1.39    'ordered_pair'( Y, compose( X, Y ) ) ), 'composition_function' ) ] )
% 0.75/1.39  , clause( 7494, [ subclass( 'domain_relation', 'cross_product'( 
% 0.75/1.39    'universal_class', 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 7495, [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) )
% 0.75/1.39    , =( 'domain_of'( X ), Y ) ] )
% 0.75/1.39  , clause( 7496, [ ~( member( X, 'universal_class' ) ), member( 
% 0.75/1.39    'ordered_pair'( X, 'domain_of'( X ) ), 'domain_relation' ) ] )
% 0.75/1.39  , clause( 7497, [ =( first( 'not_subclass_element'( compose( X, inverse( X
% 0.75/1.39     ) ), 'identity_relation' ) ), 'single_valued1'( X ) ) ] )
% 0.75/1.39  , clause( 7498, [ =( second( 'not_subclass_element'( compose( X, inverse( X
% 0.75/1.39     ) ), 'identity_relation' ) ), 'single_valued2'( X ) ) ] )
% 0.75/1.39  , clause( 7499, [ =( domain( X, image( inverse( X ), singleton( 
% 0.75/1.39    'single_valued1'( X ) ) ), 'single_valued2'( X ) ), 'single_valued3'( X )
% 0.75/1.39     ) ] )
% 0.75/1.39  , clause( 7500, [ =( intersection( complement( compose( 'element_relation'
% 0.75/1.39    , complement( 'identity_relation' ) ) ), 'element_relation' ), 
% 0.75/1.39    'singleton_relation' ) ] )
% 0.75/1.39  , clause( 7501, [ subclass( 'application_function', 'cross_product'( 
% 0.75/1.39    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 0.75/1.39     ) ) ) ] )
% 0.75/1.39  , clause( 7502, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.75/1.39    'application_function' ) ), member( Y, 'domain_of'( X ) ) ] )
% 0.75/1.39  , clause( 7503, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.75/1.39    'application_function' ) ), =( apply( X, Y ), Z ) ] )
% 0.75/1.39  , clause( 7504, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.75/1.39    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 0.75/1.39    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 0.75/1.39    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 0.75/1.39    'application_function' ) ] )
% 0.75/1.39  , clause( 7505, [ ~( maps( X, Y, Z ) ), function( X ) ] )
% 0.75/1.39  , clause( 7506, [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ] )
% 0.75/1.39  , clause( 7507, [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ] )
% 0.75/1.39  , clause( 7508, [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) ), 
% 0.75/1.39    maps( X, 'domain_of'( X ), Y ) ] )
% 0.75/1.39  , clause( 7509, [ ~( =( complement( 'universal_class' ), 'null_class' ) ) ]
% 0.75/1.39     )
% 0.75/1.39  ] ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 0, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ]
% 0.75/1.39     )
% 0.75/1.39  , clause( 7397, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y
% 0.75/1.39     ) ] )
% 0.75/1.39  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.75/1.39    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 3, [ subclass( X, 'universal_class' ) ] )
% 0.75/1.39  , clause( 7400, [ subclass( X, 'universal_class' ) ] )
% 0.75/1.39  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 22, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ] )
% 0.75/1.39  , clause( 7420, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 0.75/1.39     )
% 0.75/1.39  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.75/1.39     ), ==>( 1, 1 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 64, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 0.75/1.39  , clause( 7462, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 0.75/1.39  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.75/1.39    1 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 111, [ ~( =( complement( 'universal_class' ), 'null_class' ) ) ] )
% 0.75/1.39  , clause( 7509, [ ~( =( complement( 'universal_class' ), 'null_class' ) ) ]
% 0.75/1.39     )
% 0.75/1.39  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  resolution(
% 0.75/1.39  clause( 7616, [ ~( member( Y, X ) ), member( Y, 'universal_class' ) ] )
% 0.75/1.39  , clause( 0, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ]
% 0.75/1.39     )
% 0.75/1.39  , 0, clause( 3, [ subclass( X, 'universal_class' ) ] )
% 0.75/1.39  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'universal_class' ), :=( Z, Y )] )
% 0.75/1.39    , substitution( 1, [ :=( X, X )] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 127, [ ~( member( X, Y ) ), member( X, 'universal_class' ) ] )
% 0.75/1.39  , clause( 7616, [ ~( member( Y, X ) ), member( Y, 'universal_class' ) ] )
% 0.75/1.39  , substitution( 0, [ :=( X, Y ), :=( Y, X )] ), permutation( 0, [ ==>( 0, 0
% 0.75/1.39     ), ==>( 1, 1 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  resolution(
% 0.75/1.39  clause( 7617, [ ~( member( X, complement( 'universal_class' ) ) ), ~( 
% 0.75/1.39    member( X, Y ) ) ] )
% 0.75/1.39  , clause( 22, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ] )
% 0.75/1.39  , 1, clause( 127, [ ~( member( X, Y ) ), member( X, 'universal_class' ) ]
% 0.75/1.39     )
% 0.75/1.39  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'universal_class' )] ), 
% 0.75/1.39    substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 1878, [ ~( member( X, complement( 'universal_class' ) ) ), ~( 
% 0.75/1.39    member( X, Y ) ) ] )
% 0.75/1.39  , clause( 7617, [ ~( member( X, complement( 'universal_class' ) ) ), ~( 
% 0.75/1.39    member( X, Y ) ) ] )
% 0.75/1.39  , substitution( 0, [ :=( X, X ), :=( Y, complement( 'universal_class' ) )] )
% 0.75/1.39    , permutation( 0, [ ==>( 0, 0 ), ==>( 1, 0 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  factor(
% 0.75/1.39  clause( 7619, [ ~( member( X, complement( 'universal_class' ) ) ) ] )
% 0.75/1.39  , clause( 1878, [ ~( member( X, complement( 'universal_class' ) ) ), ~( 
% 0.75/1.39    member( X, Y ) ) ] )
% 0.75/1.39  , 0, 1, substitution( 0, [ :=( X, X ), :=( Y, complement( 'universal_class'
% 0.75/1.39     ) )] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 1902, [ ~( member( X, complement( 'universal_class' ) ) ) ] )
% 0.75/1.39  , clause( 7619, [ ~( member( X, complement( 'universal_class' ) ) ) ] )
% 0.75/1.39  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  eqswap(
% 0.75/1.39  clause( 7620, [ =( 'null_class', X ), member( regular( X ), X ) ] )
% 0.75/1.39  , clause( 64, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 0.75/1.39  , 0, substitution( 0, [ :=( X, X )] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  resolution(
% 0.75/1.39  clause( 7621, [ =( 'null_class', complement( 'universal_class' ) ) ] )
% 0.75/1.39  , clause( 1902, [ ~( member( X, complement( 'universal_class' ) ) ) ] )
% 0.75/1.39  , 0, clause( 7620, [ =( 'null_class', X ), member( regular( X ), X ) ] )
% 0.75/1.39  , 1, substitution( 0, [ :=( X, regular( complement( 'universal_class' ) ) )] )
% 0.75/1.39    , substitution( 1, [ :=( X, complement( 'universal_class' ) )] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  eqswap(
% 0.75/1.39  clause( 7622, [ =( complement( 'universal_class' ), 'null_class' ) ] )
% 0.75/1.39  , clause( 7621, [ =( 'null_class', complement( 'universal_class' ) ) ] )
% 0.75/1.39  , 0, substitution( 0, [] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 6807, [ =( complement( 'universal_class' ), 'null_class' ) ] )
% 0.75/1.39  , clause( 7622, [ =( complement( 'universal_class' ), 'null_class' ) ] )
% 0.75/1.39  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  paramod(
% 0.75/1.39  clause( 7625, [ ~( =( 'null_class', 'null_class' ) ) ] )
% 0.75/1.39  , clause( 6807, [ =( complement( 'universal_class' ), 'null_class' ) ] )
% 0.75/1.39  , 0, clause( 111, [ ~( =( complement( 'universal_class' ), 'null_class' ) )
% 0.75/1.39     ] )
% 0.75/1.39  , 0, 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  eqrefl(
% 0.75/1.39  clause( 7626, [] )
% 0.75/1.39  , clause( 7625, [ ~( =( 'null_class', 'null_class' ) ) ] )
% 0.75/1.39  , 0, substitution( 0, [] )).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  subsumption(
% 0.75/1.39  clause( 7395, [] )
% 0.75/1.39  , clause( 7626, [] )
% 0.75/1.39  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  end.
% 0.75/1.39  
% 0.75/1.39  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.75/1.39  
% 0.75/1.39  Memory use:
% 0.75/1.39  
% 0.75/1.39  space for terms:        110082
% 0.75/1.39  space for clauses:      345570
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  clauses generated:      15924
% 0.75/1.39  clauses kept:           7396
% 0.75/1.39  clauses selected:       270
% 0.75/1.39  clauses deleted:        84
% 0.75/1.39  clauses inuse deleted:  68
% 0.75/1.39  
% 0.75/1.39  subsentry:          37472
% 0.75/1.39  literals s-matched: 29189
% 0.75/1.39  literals matched:   28757
% 0.75/1.39  full subsumption:   13361
% 0.75/1.39  
% 0.75/1.39  checksum:           -1761720887
% 0.75/1.39  
% 0.75/1.39  
% 0.75/1.39  Bliksem ended
%------------------------------------------------------------------------------