TSTP Solution File: SET239-6 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET239-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n017.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 22:48:20 EDT 2022

% Result   : Unsatisfiable 0.74s 1.18s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET239-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n017.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % DateTime : Sun Jul 10 08:54:47 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.44/1.08  *** allocated 10000 integers for termspace/termends
% 0.44/1.08  *** allocated 10000 integers for clauses
% 0.44/1.08  *** allocated 10000 integers for justifications
% 0.44/1.08  Bliksem 1.12
% 0.44/1.08  
% 0.44/1.08  
% 0.44/1.08  Automatic Strategy Selection
% 0.44/1.08  
% 0.44/1.08  Clauses:
% 0.44/1.08  [
% 0.44/1.08     [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.44/1.08     [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y ) ],
% 0.44/1.08     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X, Y ) ]
% 0.44/1.08    ,
% 0.44/1.08     [ subclass( X, 'universal_class' ) ],
% 0.44/1.08     [ ~( =( X, Y ) ), subclass( X, Y ) ],
% 0.44/1.08     [ ~( =( X, Y ) ), subclass( Y, X ) ],
% 0.44/1.08     [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ],
% 0.44/1.08     [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.44/1.08    ,
% 0.44/1.08     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( X, Y
% 0.44/1.08     ) ) ],
% 0.44/1.08     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( Y, X
% 0.44/1.08     ) ) ],
% 0.44/1.08     [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ],
% 0.44/1.08     [ =( 'unordered_pair'( X, X ), singleton( X ) ) ],
% 0.44/1.08     [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, singleton( Y
% 0.44/1.08     ) ) ), 'ordered_pair'( X, Y ) ) ],
% 0.44/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.44/1.08    X, Z ) ],
% 0.44/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.44/1.08    Y, T ) ],
% 0.44/1.08     [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 'ordered_pair'( X, Z
% 0.44/1.08     ), 'cross_product'( Y, T ) ) ],
% 0.44/1.08     [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( first( X
% 0.44/1.08     ), second( X ) ), X ) ],
% 0.44/1.08     [ subclass( 'element_relation', 'cross_product'( 'universal_class', 
% 0.44/1.08    'universal_class' ) ) ],
% 0.44/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) ), member( X, 
% 0.44/1.08    Y ) ],
% 0.44/1.08     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.44/1.08    , 'universal_class' ) ) ), ~( member( X, Y ) ), member( 'ordered_pair'( X
% 0.44/1.08    , Y ), 'element_relation' ) ],
% 0.44/1.08     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.44/1.08     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.44/1.08     [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, intersection( Y, 
% 0.44/1.08    Z ) ) ],
% 0.44/1.09     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.44/1.09     [ ~( member( X, 'universal_class' ) ), member( X, complement( Y ) ), 
% 0.44/1.09    member( X, Y ) ],
% 0.44/1.09     [ =( complement( intersection( complement( X ), complement( Y ) ) ), 
% 0.44/1.09    union( X, Y ) ) ],
% 0.44/1.09     [ =( intersection( complement( intersection( X, Y ) ), complement( 
% 0.44/1.09    intersection( complement( X ), complement( Y ) ) ) ), 
% 0.44/1.09    'symmetric_difference'( X, Y ) ) ],
% 0.44/1.09     [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y, Z ) ) ]
% 0.44/1.09    ,
% 0.44/1.09     [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z, X, Y ) ) ]
% 0.44/1.09    ,
% 0.44/1.09     [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 'null_class' )
% 0.44/1.09     ), ~( member( Y, 'domain_of'( X ) ) ) ],
% 0.44/1.09     [ ~( member( X, 'universal_class' ) ), =( restrict( Y, singleton( X ), 
% 0.44/1.09    'universal_class' ), 'null_class' ), member( X, 'domain_of'( Y ) ) ],
% 0.44/1.09     [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.44/1.09    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), rotate( T ) )
% 0.44/1.09     ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.44/1.09    member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 'cross_product'( 
% 0.44/1.09    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.44/1.09    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X ), 
% 0.44/1.09    Y ), rotate( T ) ) ],
% 0.44/1.09     [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.44/1.09    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), flip( T ) ) )
% 0.44/1.09    , member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.44/1.09    member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 'cross_product'( 
% 0.44/1.09    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.44/1.09    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), 
% 0.44/1.09    Z ), flip( T ) ) ],
% 0.44/1.09     [ =( 'domain_of'( flip( 'cross_product'( X, 'universal_class' ) ) ), 
% 0.44/1.09    inverse( X ) ) ],
% 0.44/1.09     [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ],
% 0.44/1.09     [ =( first( 'not_subclass_element'( restrict( X, Y, singleton( Z ) ), 
% 0.44/1.09    'null_class' ) ), domain( X, Y, Z ) ) ],
% 0.44/1.09     [ =( second( 'not_subclass_element'( restrict( X, singleton( Y ), Z ), 
% 0.44/1.09    'null_class' ) ), range( X, Y, Z ) ) ],
% 0.44/1.09     [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), image( X, Y ) )
% 0.44/1.09     ],
% 0.44/1.09     [ =( union( X, singleton( X ) ), successor( X ) ) ],
% 0.44/1.09     [ subclass( 'successor_relation', 'cross_product'( 'universal_class', 
% 0.44/1.09    'universal_class' ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' ) ), =( 
% 0.44/1.09    successor( X ), Y ) ],
% 0.44/1.09     [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X, Y ), 
% 0.44/1.09    'cross_product'( 'universal_class', 'universal_class' ) ) ), member( 
% 0.44/1.09    'ordered_pair'( X, Y ), 'successor_relation' ) ],
% 0.44/1.09     [ ~( inductive( X ) ), member( 'null_class', X ) ],
% 0.44/1.09     [ ~( inductive( X ) ), subclass( image( 'successor_relation', X ), X ) ]
% 0.44/1.09    ,
% 0.44/1.09     [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.44/1.09    'successor_relation', X ), X ) ), inductive( X ) ],
% 0.44/1.09     [ inductive( omega ) ],
% 0.44/1.09     [ ~( inductive( X ) ), subclass( omega, X ) ],
% 0.44/1.09     [ member( omega, 'universal_class' ) ],
% 0.44/1.09     [ =( 'domain_of'( restrict( 'element_relation', 'universal_class', X ) )
% 0.44/1.09    , 'sum_class'( X ) ) ],
% 0.44/1.09     [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( X ), 
% 0.44/1.09    'universal_class' ) ],
% 0.44/1.09     [ =( complement( image( 'element_relation', complement( X ) ) ), 
% 0.44/1.09    'power_class'( X ) ) ],
% 0.44/1.09     [ ~( member( X, 'universal_class' ) ), member( 'power_class'( X ), 
% 0.44/1.09    'universal_class' ) ],
% 0.44/1.09     [ subclass( compose( X, Y ), 'cross_product'( 'universal_class', 
% 0.44/1.09    'universal_class' ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), member( Y, 
% 0.44/1.09    image( Z, image( T, singleton( X ) ) ) ) ],
% 0.44/1.09     [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), ~( member( 
% 0.44/1.09    'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.44/1.09    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.44/1.09     ) ],
% 0.44/1.09     [ ~( 'single_valued_class'( X ) ), subclass( compose( X, inverse( X ) )
% 0.44/1.09    , 'identity_relation' ) ],
% 0.44/1.09     [ ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) ), 
% 0.44/1.09    'single_valued_class'( X ) ],
% 0.44/1.09     [ ~( function( X ) ), subclass( X, 'cross_product'( 'universal_class', 
% 0.44/1.09    'universal_class' ) ) ],
% 0.44/1.09     [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.44/1.09    'identity_relation' ) ],
% 0.44/1.09     [ ~( subclass( X, 'cross_product'( 'universal_class', 'universal_class'
% 0.44/1.09     ) ) ), ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) )
% 0.44/1.09    , function( X ) ],
% 0.44/1.09     [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), member( image( 
% 0.44/1.09    X, Y ), 'universal_class' ) ],
% 0.44/1.09     [ =( X, 'null_class' ), member( regular( X ), X ) ],
% 0.44/1.09     [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 'null_class'
% 0.44/1.09     ) ],
% 0.44/1.09     [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y ) ) ],
% 0.44/1.09     [ function( choice ) ],
% 0.44/1.09     [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' ), member( 
% 0.44/1.09    apply( choice, X ), X ) ],
% 0.44/1.09     [ ~( 'one_to_one'( X ) ), function( X ) ],
% 0.44/1.09     [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ],
% 0.44/1.09     [ ~( function( inverse( X ) ) ), ~( function( X ) ), 'one_to_one'( X ) ]
% 0.44/1.09    ,
% 0.44/1.09     [ =( intersection( 'cross_product'( 'universal_class', 'universal_class'
% 0.44/1.09     ), intersection( 'cross_product'( 'universal_class', 'universal_class' )
% 0.44/1.09    , complement( compose( complement( 'element_relation' ), inverse( 
% 0.44/1.09    'element_relation' ) ) ) ) ), 'subset_relation' ) ],
% 0.44/1.09     [ =( intersection( inverse( 'subset_relation' ), 'subset_relation' ), 
% 0.44/1.09    'identity_relation' ) ],
% 0.44/1.09     [ =( complement( 'domain_of'( intersection( X, 'identity_relation' ) ) )
% 0.44/1.09    , diagonalise( X ) ) ],
% 0.44/1.09     [ =( intersection( 'domain_of'( X ), diagonalise( compose( inverse( 
% 0.44/1.09    'element_relation' ), X ) ) ), cantor( X ) ) ],
% 0.44/1.09     [ ~( operation( X ) ), function( X ) ],
% 0.44/1.09     [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 'domain_of'( X )
% 0.44/1.09     ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ],
% 0.44/1.09     [ ~( operation( X ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.44/1.09    'domain_of'( X ) ) ) ],
% 0.44/1.09     [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 'domain_of'( X
% 0.44/1.09     ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ), ~( 
% 0.44/1.09    subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), operation( 
% 0.44/1.09    X ) ],
% 0.44/1.09     [ ~( compatible( X, Y, Z ) ), function( X ) ],
% 0.44/1.09     [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y ) ), 
% 0.44/1.09    'domain_of'( X ) ) ],
% 0.44/1.09     [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.44/1.09    'domain_of'( Z ) ) ) ],
% 0.44/1.09     [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) ), 'domain_of'( 
% 0.44/1.09    X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( Z ) ) )
% 0.44/1.09     ), compatible( X, Y, Z ) ],
% 0.44/1.09     [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ],
% 0.44/1.09     [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ],
% 0.44/1.09     [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ],
% 0.44/1.09     [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T, U ), 
% 0.44/1.09    'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), apply( 
% 0.44/1.09    X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ],
% 0.44/1.09     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.44/1.09    member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.44/1.09    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.44/1.09    , Y ) ],
% 0.44/1.09     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.44/1.09    ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( Z, X, Y )
% 0.44/1.09     ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, apply( X, 
% 0.44/1.09    'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 'not_homomorphism2'( Z, X
% 0.44/1.09    , Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ],
% 0.44/1.09     [ subclass( 'compose_class'( X ), 'cross_product'( 'universal_class', 
% 0.44/1.09    'universal_class' ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ), =( 
% 0.44/1.09    compose( Z, X ), Y ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.44/1.09    , 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) ), member( 
% 0.44/1.09    'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ],
% 0.44/1.09     [ subclass( 'composition_function', 'cross_product'( 'universal_class', 
% 0.44/1.09    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.44/1.09    'composition_function' ) ), =( compose( X, Y ), Z ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.44/1.09    , 'universal_class' ) ) ), member( 'ordered_pair'( X, 'ordered_pair'( Y, 
% 0.44/1.09    compose( X, Y ) ) ), 'composition_function' ) ],
% 0.44/1.09     [ subclass( 'domain_relation', 'cross_product'( 'universal_class', 
% 0.44/1.09    'universal_class' ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) ), =( 
% 0.44/1.09    'domain_of'( X ), Y ) ],
% 0.44/1.09     [ ~( member( X, 'universal_class' ) ), member( 'ordered_pair'( X, 
% 0.44/1.09    'domain_of'( X ) ), 'domain_relation' ) ],
% 0.44/1.09     [ =( first( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.44/1.09    'identity_relation' ) ), 'single_valued1'( X ) ) ],
% 0.44/1.09     [ =( second( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.44/1.09    'identity_relation' ) ), 'single_valued2'( X ) ) ],
% 0.44/1.09     [ =( domain( X, image( inverse( X ), singleton( 'single_valued1'( X ) )
% 0.44/1.09     ), 'single_valued2'( X ) ), 'single_valued3'( X ) ) ],
% 0.44/1.09     [ =( intersection( complement( compose( 'element_relation', complement( 
% 0.44/1.09    'identity_relation' ) ) ), 'element_relation' ), 'singleton_relation' ) ]
% 0.44/1.09    ,
% 0.44/1.09     [ subclass( 'application_function', 'cross_product'( 'universal_class', 
% 0.44/1.09    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.44/1.09    'application_function' ) ), member( Y, 'domain_of'( X ) ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.44/1.09    'application_function' ) ), =( apply( X, Y ), Z ) ],
% 0.44/1.09     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.44/1.09    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 0.44/1.09    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 0.44/1.09    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 0.44/1.09    'application_function' ) ],
% 0.44/1.09     [ ~( maps( X, Y, Z ) ), function( X ) ],
% 0.44/1.09     [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ],
% 0.74/1.18     [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ],
% 0.74/1.18     [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) ), maps( X, 
% 0.74/1.18    'domain_of'( X ), Y ) ],
% 0.74/1.18     [ member( z, restrict( xr, x, y ) ) ],
% 0.74/1.18     [ ~( member( z, xr ) ) ]
% 0.74/1.18  ] .
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  percentage equality = 0.222727, percentage horn = 0.929825
% 0.74/1.18  This is a problem with some equality
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  Options Used:
% 0.74/1.18  
% 0.74/1.18  useres =            1
% 0.74/1.18  useparamod =        1
% 0.74/1.18  useeqrefl =         1
% 0.74/1.18  useeqfact =         1
% 0.74/1.18  usefactor =         1
% 0.74/1.18  usesimpsplitting =  0
% 0.74/1.18  usesimpdemod =      5
% 0.74/1.18  usesimpres =        3
% 0.74/1.18  
% 0.74/1.18  resimpinuse      =  1000
% 0.74/1.18  resimpclauses =     20000
% 0.74/1.18  substype =          eqrewr
% 0.74/1.18  backwardsubs =      1
% 0.74/1.18  selectoldest =      5
% 0.74/1.18  
% 0.74/1.18  litorderings [0] =  split
% 0.74/1.18  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.74/1.18  
% 0.74/1.18  termordering =      kbo
% 0.74/1.18  
% 0.74/1.18  litapriori =        0
% 0.74/1.18  termapriori =       1
% 0.74/1.18  litaposteriori =    0
% 0.74/1.18  termaposteriori =   0
% 0.74/1.18  demodaposteriori =  0
% 0.74/1.18  ordereqreflfact =   0
% 0.74/1.18  
% 0.74/1.18  litselect =         negord
% 0.74/1.18  
% 0.74/1.18  maxweight =         15
% 0.74/1.18  maxdepth =          30000
% 0.74/1.18  maxlength =         115
% 0.74/1.18  maxnrvars =         195
% 0.74/1.18  excuselevel =       1
% 0.74/1.18  increasemaxweight = 1
% 0.74/1.18  
% 0.74/1.18  maxselected =       10000000
% 0.74/1.18  maxnrclauses =      10000000
% 0.74/1.18  
% 0.74/1.18  showgenerated =    0
% 0.74/1.18  showkept =         0
% 0.74/1.18  showselected =     0
% 0.74/1.18  showdeleted =      0
% 0.74/1.18  showresimp =       1
% 0.74/1.18  showstatus =       2000
% 0.74/1.18  
% 0.74/1.18  prologoutput =     1
% 0.74/1.18  nrgoals =          5000000
% 0.74/1.18  totalproof =       1
% 0.74/1.18  
% 0.74/1.18  Symbols occurring in the translation:
% 0.74/1.18  
% 0.74/1.18  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.74/1.18  .  [1, 2]      (w:1, o:66, a:1, s:1, b:0), 
% 0.74/1.18  !  [4, 1]      (w:0, o:37, a:1, s:1, b:0), 
% 0.74/1.18  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.74/1.18  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.74/1.18  subclass  [41, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 0.74/1.18  member  [43, 2]      (w:1, o:92, a:1, s:1, b:0), 
% 0.74/1.18  'not_subclass_element'  [44, 2]      (w:1, o:93, a:1, s:1, b:0), 
% 0.74/1.18  'universal_class'  [45, 0]      (w:1, o:22, a:1, s:1, b:0), 
% 0.74/1.18  'unordered_pair'  [46, 2]      (w:1, o:94, a:1, s:1, b:0), 
% 0.74/1.18  singleton  [47, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 0.74/1.18  'ordered_pair'  [48, 2]      (w:1, o:95, a:1, s:1, b:0), 
% 0.74/1.18  'cross_product'  [50, 2]      (w:1, o:96, a:1, s:1, b:0), 
% 0.74/1.18  first  [52, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 0.74/1.18  second  [53, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 0.74/1.18  'element_relation'  [54, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 0.74/1.18  intersection  [55, 2]      (w:1, o:98, a:1, s:1, b:0), 
% 0.74/1.18  complement  [56, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 0.74/1.18  union  [57, 2]      (w:1, o:99, a:1, s:1, b:0), 
% 0.74/1.18  'symmetric_difference'  [58, 2]      (w:1, o:100, a:1, s:1, b:0), 
% 0.74/1.18  restrict  [60, 3]      (w:1, o:103, a:1, s:1, b:0), 
% 0.74/1.18  'null_class'  [61, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 0.74/1.18  'domain_of'  [62, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 0.74/1.18  rotate  [63, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 0.74/1.18  flip  [65, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 0.74/1.18  inverse  [66, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 0.74/1.18  'range_of'  [67, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 0.74/1.18  domain  [68, 3]      (w:1, o:105, a:1, s:1, b:0), 
% 0.74/1.18  range  [69, 3]      (w:1, o:106, a:1, s:1, b:0), 
% 0.74/1.18  image  [70, 2]      (w:1, o:97, a:1, s:1, b:0), 
% 0.74/1.18  successor  [71, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 0.74/1.18  'successor_relation'  [72, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 0.74/1.18  inductive  [73, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 0.74/1.18  omega  [74, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.74/1.18  'sum_class'  [75, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 0.74/1.18  'power_class'  [76, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 0.74/1.18  compose  [78, 2]      (w:1, o:101, a:1, s:1, b:0), 
% 0.74/1.18  'single_valued_class'  [79, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 0.74/1.18  'identity_relation'  [80, 0]      (w:1, o:29, a:1, s:1, b:0), 
% 0.74/1.18  function  [82, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 0.74/1.18  regular  [83, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 0.74/1.18  apply  [84, 2]      (w:1, o:102, a:1, s:1, b:0), 
% 0.74/1.18  choice  [85, 0]      (w:1, o:30, a:1, s:1, b:0), 
% 0.74/1.18  'one_to_one'  [86, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 0.74/1.18  'subset_relation'  [87, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 0.74/1.18  diagonalise  [88, 1]      (w:1, o:62, a:1, s:1, b:0), 
% 0.74/1.18  cantor  [89, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 0.74/1.18  operation  [90, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 0.74/1.18  compatible  [94, 3]      (w:1, o:104, a:1, s:1, b:0), 
% 0.74/1.18  homomorphism  [95, 3]      (w:1, o:107, a:1, s:1, b:0), 
% 0.74/1.18  'not_homomorphism1'  [96, 3]      (w:1, o:109, a:1, s:1, b:0), 
% 0.74/1.18  'not_homomorphism2'  [97, 3]      (w:1, o:110, a:1, s:1, b:0), 
% 0.74/1.18  'compose_class'  [98, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 0.74/1.18  'composition_function'  [99, 0]      (w:1, o:31, a:1, s:1, b:0), 
% 0.74/1.18  'domain_relation'  [100, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 0.74/1.18  'single_valued1'  [101, 1]      (w:1, o:63, a:1, s:1, b:0), 
% 0.74/1.18  'single_valued2'  [102, 1]      (w:1, o:64, a:1, s:1, b:0), 
% 0.74/1.18  'single_valued3'  [103, 1]      (w:1, o:65, a:1, s:1, b:0), 
% 0.74/1.18  'singleton_relation'  [104, 0]      (w:1, o:7, a:1, s:1, b:0), 
% 0.74/1.18  'application_function'  [105, 0]      (w:1, o:32, a:1, s:1, b:0), 
% 0.74/1.18  maps  [106, 3]      (w:1, o:108, a:1, s:1, b:0), 
% 0.74/1.18  z  [107, 0]      (w:1, o:34, a:1, s:1, b:0), 
% 0.74/1.18  xr  [108, 0]      (w:1, o:35, a:1, s:1, b:0), 
% 0.74/1.18  x  [109, 0]      (w:1, o:36, a:1, s:1, b:0), 
% 0.74/1.18  y  [110, 0]      (w:1, o:33, a:1, s:1, b:0).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  Starting Search:
% 0.74/1.18  
% 0.74/1.18  Resimplifying inuse:
% 0.74/1.18  Done
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  Intermediate Status:
% 0.74/1.18  Generated:    4382
% 0.74/1.18  Kept:         2009
% 0.74/1.18  Inuse:        107
% 0.74/1.18  Deleted:      3
% 0.74/1.18  Deletedinuse: 2
% 0.74/1.18  
% 0.74/1.18  Resimplifying inuse:
% 0.74/1.18  Done
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  Bliksems!, er is een bewijs:
% 0.74/1.18  % SZS status Unsatisfiable
% 0.74/1.18  % SZS output start Refutation
% 0.74/1.18  
% 0.74/1.18  clause( 19, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ] )
% 0.74/1.18  .
% 0.74/1.18  clause( 26, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y
% 0.74/1.18    , Z ) ) ] )
% 0.74/1.18  .
% 0.74/1.18  clause( 111, [ member( z, restrict( xr, x, y ) ) ] )
% 0.74/1.18  .
% 0.74/1.18  clause( 112, [ ~( member( z, xr ) ) ] )
% 0.74/1.18  .
% 0.74/1.18  clause( 1407, [ ~( member( z, intersection( xr, X ) ) ) ] )
% 0.74/1.18  .
% 0.74/1.18  clause( 2160, [ ~( member( z, restrict( xr, X, Y ) ) ) ] )
% 0.74/1.18  .
% 0.74/1.18  clause( 2737, [] )
% 0.74/1.18  .
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  % SZS output end Refutation
% 0.74/1.18  found a proof!
% 0.74/1.18  
% 0.74/1.18  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.74/1.18  
% 0.74/1.18  initialclauses(
% 0.74/1.18  [ clause( 2739, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y
% 0.74/1.18     ) ] )
% 0.74/1.18  , clause( 2740, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 0.74/1.18    , Y ) ] )
% 0.74/1.18  , clause( 2741, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 0.74/1.18    subclass( X, Y ) ] )
% 0.74/1.18  , clause( 2742, [ subclass( X, 'universal_class' ) ] )
% 0.74/1.18  , clause( 2743, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 0.74/1.18  , clause( 2744, [ ~( =( X, Y ) ), subclass( Y, X ) ] )
% 0.74/1.18  , clause( 2745, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2746, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 0.74/1.18    =( X, Z ) ] )
% 0.74/1.18  , clause( 2747, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.74/1.18    'unordered_pair'( X, Y ) ) ] )
% 0.74/1.18  , clause( 2748, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.74/1.18    'unordered_pair'( Y, X ) ) ] )
% 0.74/1.18  , clause( 2749, [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2750, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 0.74/1.18  , clause( 2751, [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X
% 0.74/1.18    , singleton( Y ) ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.74/1.18  , clause( 2752, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 0.74/1.18     ) ) ), member( X, Z ) ] )
% 0.74/1.18  , clause( 2753, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 0.74/1.18     ) ) ), member( Y, T ) ] )
% 0.74/1.18  , clause( 2754, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 0.74/1.18    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 0.74/1.18  , clause( 2755, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 0.74/1.18    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 0.74/1.18  , clause( 2756, [ subclass( 'element_relation', 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2757, [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) )
% 0.74/1.18    , member( X, Y ) ] )
% 0.74/1.18  , clause( 2758, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ), ~( member( X, Y ) ), member( 
% 0.74/1.18    'ordered_pair'( X, Y ), 'element_relation' ) ] )
% 0.74/1.18  , clause( 2759, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2760, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2761, [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, 
% 0.74/1.18    intersection( Y, Z ) ) ] )
% 0.74/1.18  , clause( 2762, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2763, [ ~( member( X, 'universal_class' ) ), member( X, 
% 0.74/1.18    complement( Y ) ), member( X, Y ) ] )
% 0.74/1.18  , clause( 2764, [ =( complement( intersection( complement( X ), complement( 
% 0.74/1.18    Y ) ) ), union( X, Y ) ) ] )
% 0.74/1.18  , clause( 2765, [ =( intersection( complement( intersection( X, Y ) ), 
% 0.74/1.18    complement( intersection( complement( X ), complement( Y ) ) ) ), 
% 0.74/1.18    'symmetric_difference'( X, Y ) ) ] )
% 0.74/1.18  , clause( 2766, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( 
% 0.74/1.18    X, Y, Z ) ) ] )
% 0.74/1.18  , clause( 2767, [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( 
% 0.74/1.18    Z, X, Y ) ) ] )
% 0.74/1.18  , clause( 2768, [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 
% 0.74/1.18    'null_class' ) ), ~( member( Y, 'domain_of'( X ) ) ) ] )
% 0.74/1.18  , clause( 2769, [ ~( member( X, 'universal_class' ) ), =( restrict( Y, 
% 0.74/1.18    singleton( X ), 'universal_class' ), 'null_class' ), member( X, 
% 0.74/1.18    'domain_of'( Y ) ) ] )
% 0.74/1.18  , clause( 2770, [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2771, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 0.74/1.18    rotate( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T )
% 0.74/1.18     ] )
% 0.74/1.18  , clause( 2772, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T
% 0.74/1.18     ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 
% 0.74/1.18    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 0.74/1.18    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X )
% 0.74/1.18    , Y ), rotate( T ) ) ] )
% 0.74/1.18  , clause( 2773, [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2774, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 0.74/1.18    flip( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2775, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T
% 0.74/1.18     ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 
% 0.74/1.18    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 0.74/1.18    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X )
% 0.74/1.18    , Z ), flip( T ) ) ] )
% 0.74/1.18  , clause( 2776, [ =( 'domain_of'( flip( 'cross_product'( X, 
% 0.74/1.18    'universal_class' ) ) ), inverse( X ) ) ] )
% 0.74/1.18  , clause( 2777, [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ] )
% 0.74/1.18  , clause( 2778, [ =( first( 'not_subclass_element'( restrict( X, Y, 
% 0.74/1.18    singleton( Z ) ), 'null_class' ) ), domain( X, Y, Z ) ) ] )
% 0.74/1.18  , clause( 2779, [ =( second( 'not_subclass_element'( restrict( X, singleton( 
% 0.74/1.18    Y ), Z ), 'null_class' ) ), range( X, Y, Z ) ) ] )
% 0.74/1.18  , clause( 2780, [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), 
% 0.74/1.18    image( X, Y ) ) ] )
% 0.74/1.18  , clause( 2781, [ =( union( X, singleton( X ) ), successor( X ) ) ] )
% 0.74/1.18  , clause( 2782, [ subclass( 'successor_relation', 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2783, [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' )
% 0.74/1.18     ), =( successor( X ), Y ) ] )
% 0.74/1.18  , clause( 2784, [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X
% 0.74/1.18    , Y ), 'cross_product'( 'universal_class', 'universal_class' ) ) ), 
% 0.74/1.18    member( 'ordered_pair'( X, Y ), 'successor_relation' ) ] )
% 0.74/1.18  , clause( 2785, [ ~( inductive( X ) ), member( 'null_class', X ) ] )
% 0.74/1.18  , clause( 2786, [ ~( inductive( X ) ), subclass( image( 
% 0.74/1.18    'successor_relation', X ), X ) ] )
% 0.74/1.18  , clause( 2787, [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.74/1.18    'successor_relation', X ), X ) ), inductive( X ) ] )
% 0.74/1.18  , clause( 2788, [ inductive( omega ) ] )
% 0.74/1.18  , clause( 2789, [ ~( inductive( X ) ), subclass( omega, X ) ] )
% 0.74/1.18  , clause( 2790, [ member( omega, 'universal_class' ) ] )
% 0.74/1.18  , clause( 2791, [ =( 'domain_of'( restrict( 'element_relation', 
% 0.74/1.18    'universal_class', X ) ), 'sum_class'( X ) ) ] )
% 0.74/1.18  , clause( 2792, [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( 
% 0.74/1.18    X ), 'universal_class' ) ] )
% 0.74/1.18  , clause( 2793, [ =( complement( image( 'element_relation', complement( X )
% 0.74/1.18     ) ), 'power_class'( X ) ) ] )
% 0.74/1.18  , clause( 2794, [ ~( member( X, 'universal_class' ) ), member( 
% 0.74/1.18    'power_class'( X ), 'universal_class' ) ] )
% 0.74/1.18  , clause( 2795, [ subclass( compose( X, Y ), 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2796, [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), 
% 0.74/1.18    member( Y, image( Z, image( T, singleton( X ) ) ) ) ] )
% 0.74/1.18  , clause( 2797, [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) )
% 0.74/1.18    , ~( member( 'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.74/1.18    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.74/1.18     ) ] )
% 0.74/1.18  , clause( 2798, [ ~( 'single_valued_class'( X ) ), subclass( compose( X, 
% 0.74/1.18    inverse( X ) ), 'identity_relation' ) ] )
% 0.74/1.18  , clause( 2799, [ ~( subclass( compose( X, inverse( X ) ), 
% 0.74/1.18    'identity_relation' ) ), 'single_valued_class'( X ) ] )
% 0.74/1.18  , clause( 2800, [ ~( function( X ) ), subclass( X, 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2801, [ ~( function( X ) ), subclass( compose( X, inverse( X ) )
% 0.74/1.18    , 'identity_relation' ) ] )
% 0.74/1.18  , clause( 2802, [ ~( subclass( X, 'cross_product'( 'universal_class', 
% 0.74/1.18    'universal_class' ) ) ), ~( subclass( compose( X, inverse( X ) ), 
% 0.74/1.18    'identity_relation' ) ), function( X ) ] )
% 0.74/1.18  , clause( 2803, [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), 
% 0.74/1.18    member( image( X, Y ), 'universal_class' ) ] )
% 0.74/1.18  , clause( 2804, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 0.74/1.18  , clause( 2805, [ =( X, 'null_class' ), =( intersection( X, regular( X ) )
% 0.74/1.18    , 'null_class' ) ] )
% 0.74/1.18  , clause( 2806, [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y
% 0.74/1.18     ) ) ] )
% 0.74/1.18  , clause( 2807, [ function( choice ) ] )
% 0.74/1.18  , clause( 2808, [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' )
% 0.74/1.18    , member( apply( choice, X ), X ) ] )
% 0.74/1.18  , clause( 2809, [ ~( 'one_to_one'( X ) ), function( X ) ] )
% 0.74/1.18  , clause( 2810, [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ] )
% 0.74/1.18  , clause( 2811, [ ~( function( inverse( X ) ) ), ~( function( X ) ), 
% 0.74/1.18    'one_to_one'( X ) ] )
% 0.74/1.18  , clause( 2812, [ =( intersection( 'cross_product'( 'universal_class', 
% 0.74/1.18    'universal_class' ), intersection( 'cross_product'( 'universal_class', 
% 0.74/1.18    'universal_class' ), complement( compose( complement( 'element_relation'
% 0.74/1.18     ), inverse( 'element_relation' ) ) ) ) ), 'subset_relation' ) ] )
% 0.74/1.18  , clause( 2813, [ =( intersection( inverse( 'subset_relation' ), 
% 0.74/1.18    'subset_relation' ), 'identity_relation' ) ] )
% 0.74/1.18  , clause( 2814, [ =( complement( 'domain_of'( intersection( X, 
% 0.74/1.18    'identity_relation' ) ) ), diagonalise( X ) ) ] )
% 0.74/1.18  , clause( 2815, [ =( intersection( 'domain_of'( X ), diagonalise( compose( 
% 0.74/1.18    inverse( 'element_relation' ), X ) ) ), cantor( X ) ) ] )
% 0.74/1.18  , clause( 2816, [ ~( operation( X ) ), function( X ) ] )
% 0.74/1.18  , clause( 2817, [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 
% 0.74/1.18    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 0.74/1.18     ] )
% 0.74/1.18  , clause( 2818, [ ~( operation( X ) ), subclass( 'range_of'( X ), 
% 0.74/1.18    'domain_of'( 'domain_of'( X ) ) ) ] )
% 0.74/1.18  , clause( 2819, [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 
% 0.74/1.18    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 0.74/1.18     ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), 
% 0.74/1.18    operation( X ) ] )
% 0.74/1.18  , clause( 2820, [ ~( compatible( X, Y, Z ) ), function( X ) ] )
% 0.74/1.18  , clause( 2821, [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( 
% 0.74/1.18    Y ) ), 'domain_of'( X ) ) ] )
% 0.74/1.18  , clause( 2822, [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 
% 0.74/1.18    'domain_of'( 'domain_of'( Z ) ) ) ] )
% 0.74/1.18  , clause( 2823, [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) )
% 0.74/1.18    , 'domain_of'( X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 
% 0.74/1.18    'domain_of'( Z ) ) ) ), compatible( X, Y, Z ) ] )
% 0.74/1.18  , clause( 2824, [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ] )
% 0.74/1.18  , clause( 2825, [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ] )
% 0.74/1.18  , clause( 2826, [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ] )
% 0.74/1.18  , clause( 2827, [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( 
% 0.74/1.18    T, U ), 'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T )
% 0.74/1.18    , apply( X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2828, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 0.74/1.18    Z, X, Y ) ), member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.74/1.18    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.74/1.18    , Y ) ] )
% 0.74/1.18  , clause( 2829, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 0.74/1.18    Z, X, Y ) ), ~( =( apply( Y, 'ordered_pair'( apply( Z, 
% 0.74/1.18    'not_homomorphism1'( Z, X, Y ) ), apply( Z, 'not_homomorphism2'( Z, X, Y
% 0.74/1.18     ) ) ) ), apply( Z, apply( X, 'ordered_pair'( 'not_homomorphism1'( Z, X, 
% 0.74/1.18    Y ), 'not_homomorphism2'( Z, X, Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ]
% 0.74/1.18     )
% 0.74/1.18  , clause( 2830, [ subclass( 'compose_class'( X ), 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2831, [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) )
% 0.74/1.18     ), =( compose( Z, X ), Y ) ] )
% 0.74/1.18  , clause( 2832, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) )
% 0.74/1.18    , member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ] )
% 0.74/1.18  , clause( 2833, [ subclass( 'composition_function', 'cross_product'( 
% 0.74/1.18    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 0.74/1.18     ) ) ) ] )
% 0.74/1.18  , clause( 2834, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.74/1.18    'composition_function' ) ), =( compose( X, Y ), Z ) ] )
% 0.74/1.18  , clause( 2835, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ), member( 'ordered_pair'( X, 
% 0.74/1.18    'ordered_pair'( Y, compose( X, Y ) ) ), 'composition_function' ) ] )
% 0.74/1.18  , clause( 2836, [ subclass( 'domain_relation', 'cross_product'( 
% 0.74/1.18    'universal_class', 'universal_class' ) ) ] )
% 0.74/1.18  , clause( 2837, [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) )
% 0.74/1.18    , =( 'domain_of'( X ), Y ) ] )
% 0.74/1.18  , clause( 2838, [ ~( member( X, 'universal_class' ) ), member( 
% 0.74/1.18    'ordered_pair'( X, 'domain_of'( X ) ), 'domain_relation' ) ] )
% 0.74/1.18  , clause( 2839, [ =( first( 'not_subclass_element'( compose( X, inverse( X
% 0.74/1.18     ) ), 'identity_relation' ) ), 'single_valued1'( X ) ) ] )
% 0.74/1.18  , clause( 2840, [ =( second( 'not_subclass_element'( compose( X, inverse( X
% 0.74/1.18     ) ), 'identity_relation' ) ), 'single_valued2'( X ) ) ] )
% 0.74/1.18  , clause( 2841, [ =( domain( X, image( inverse( X ), singleton( 
% 0.74/1.18    'single_valued1'( X ) ) ), 'single_valued2'( X ) ), 'single_valued3'( X )
% 0.74/1.18     ) ] )
% 0.74/1.18  , clause( 2842, [ =( intersection( complement( compose( 'element_relation'
% 0.74/1.18    , complement( 'identity_relation' ) ) ), 'element_relation' ), 
% 0.74/1.18    'singleton_relation' ) ] )
% 0.74/1.18  , clause( 2843, [ subclass( 'application_function', 'cross_product'( 
% 0.74/1.18    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 0.74/1.18     ) ) ) ] )
% 0.74/1.18  , clause( 2844, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.74/1.18    'application_function' ) ), member( Y, 'domain_of'( X ) ) ] )
% 0.74/1.18  , clause( 2845, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.74/1.18    'application_function' ) ), =( apply( X, Y ), Z ) ] )
% 0.74/1.18  , clause( 2846, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.74/1.18    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 0.74/1.18    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 0.74/1.18    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 0.74/1.18    'application_function' ) ] )
% 0.74/1.18  , clause( 2847, [ ~( maps( X, Y, Z ) ), function( X ) ] )
% 0.74/1.18  , clause( 2848, [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ] )
% 0.74/1.18  , clause( 2849, [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ] )
% 0.74/1.18  , clause( 2850, [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) ), 
% 0.74/1.18    maps( X, 'domain_of'( X ), Y ) ] )
% 0.74/1.18  , clause( 2851, [ member( z, restrict( xr, x, y ) ) ] )
% 0.74/1.18  , clause( 2852, [ ~( member( z, xr ) ) ] )
% 0.74/1.18  ] ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  subsumption(
% 0.74/1.18  clause( 19, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ] )
% 0.74/1.18  , clause( 2759, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 0.74/1.18     )
% 0.74/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.74/1.18    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  subsumption(
% 0.74/1.18  clause( 26, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y
% 0.74/1.18    , Z ) ) ] )
% 0.74/1.18  , clause( 2766, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( 
% 0.74/1.18    X, Y, Z ) ) ] )
% 0.74/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.74/1.18    permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  subsumption(
% 0.74/1.18  clause( 111, [ member( z, restrict( xr, x, y ) ) ] )
% 0.74/1.18  , clause( 2851, [ member( z, restrict( xr, x, y ) ) ] )
% 0.74/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  subsumption(
% 0.74/1.18  clause( 112, [ ~( member( z, xr ) ) ] )
% 0.74/1.18  , clause( 2852, [ ~( member( z, xr ) ) ] )
% 0.74/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  resolution(
% 0.74/1.18  clause( 3001, [ ~( member( z, intersection( xr, X ) ) ) ] )
% 0.74/1.18  , clause( 112, [ ~( member( z, xr ) ) ] )
% 0.74/1.18  , 0, clause( 19, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 0.74/1.18     )
% 0.74/1.18  , 1, substitution( 0, [] ), substitution( 1, [ :=( X, z ), :=( Y, xr ), 
% 0.74/1.18    :=( Z, X )] )).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  subsumption(
% 0.74/1.18  clause( 1407, [ ~( member( z, intersection( xr, X ) ) ) ] )
% 0.74/1.18  , clause( 3001, [ ~( member( z, intersection( xr, X ) ) ) ] )
% 0.74/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  paramod(
% 0.74/1.18  clause( 3003, [ ~( member( z, restrict( xr, X, Y ) ) ) ] )
% 0.74/1.18  , clause( 26, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X
% 0.74/1.18    , Y, Z ) ) ] )
% 0.74/1.18  , 0, clause( 1407, [ ~( member( z, intersection( xr, X ) ) ) ] )
% 0.74/1.18  , 0, 3, substitution( 0, [ :=( X, xr ), :=( Y, X ), :=( Z, Y )] ), 
% 0.74/1.18    substitution( 1, [ :=( X, 'cross_product'( X, Y ) )] )).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  subsumption(
% 0.74/1.18  clause( 2160, [ ~( member( z, restrict( xr, X, Y ) ) ) ] )
% 0.74/1.18  , clause( 3003, [ ~( member( z, restrict( xr, X, Y ) ) ) ] )
% 0.74/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.74/1.18     )] ) ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  resolution(
% 0.74/1.18  clause( 3004, [] )
% 0.74/1.18  , clause( 2160, [ ~( member( z, restrict( xr, X, Y ) ) ) ] )
% 0.74/1.18  , 0, clause( 111, [ member( z, restrict( xr, x, y ) ) ] )
% 0.74/1.18  , 0, substitution( 0, [ :=( X, x ), :=( Y, y )] ), substitution( 1, [] )
% 0.74/1.18    ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  subsumption(
% 0.74/1.18  clause( 2737, [] )
% 0.74/1.18  , clause( 3004, [] )
% 0.74/1.18  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  end.
% 0.74/1.18  
% 0.74/1.18  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.74/1.18  
% 0.74/1.18  Memory use:
% 0.74/1.18  
% 0.74/1.18  space for terms:        41248
% 0.74/1.18  space for clauses:      133186
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  clauses generated:      5989
% 0.74/1.18  clauses kept:           2738
% 0.74/1.18  clauses selected:       139
% 0.74/1.18  clauses deleted:        11
% 0.74/1.18  clauses inuse deleted:  3
% 0.74/1.18  
% 0.74/1.18  subsentry:          14235
% 0.74/1.18  literals s-matched: 11517
% 0.74/1.18  literals matched:   11283
% 0.74/1.18  full subsumption:   5878
% 0.74/1.18  
% 0.74/1.18  checksum:           140624893
% 0.74/1.18  
% 0.74/1.18  
% 0.74/1.18  Bliksem ended
%------------------------------------------------------------------------------