TSTP Solution File: SET196-6 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET196-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n004.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 22:48:03 EDT 2022

% Result   : Unsatisfiable 2.85s 3.25s
% Output   : Refutation 2.85s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET196-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.11/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n004.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 09:24:52 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.69/1.10  *** allocated 10000 integers for termspace/termends
% 0.69/1.10  *** allocated 10000 integers for clauses
% 0.69/1.10  *** allocated 10000 integers for justifications
% 0.69/1.10  Bliksem 1.12
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  Automatic Strategy Selection
% 0.69/1.10  
% 0.69/1.10  Clauses:
% 0.69/1.10  [
% 0.69/1.10     [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.69/1.10     [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y ) ],
% 0.69/1.10     [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X, Y ) ]
% 0.69/1.10    ,
% 0.69/1.10     [ subclass( X, 'universal_class' ) ],
% 0.69/1.10     [ ~( =( X, Y ) ), subclass( X, Y ) ],
% 0.69/1.10     [ ~( =( X, Y ) ), subclass( Y, X ) ],
% 0.69/1.10     [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y ) ],
% 0.69/1.10     [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.69/1.10    ,
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( X, Y
% 0.69/1.10     ) ) ],
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), member( X, 'unordered_pair'( Y, X
% 0.69/1.10     ) ) ],
% 0.69/1.10     [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ],
% 0.69/1.10     [ =( 'unordered_pair'( X, X ), singleton( X ) ) ],
% 0.69/1.10     [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X, singleton( Y
% 0.69/1.10     ) ) ), 'ordered_pair'( X, Y ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.69/1.10    X, Z ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T ) ) ), member( 
% 0.69/1.10    Y, T ) ],
% 0.69/1.10     [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 'ordered_pair'( X, Z
% 0.69/1.10     ), 'cross_product'( Y, T ) ) ],
% 0.69/1.10     [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 'ordered_pair'( first( X
% 0.69/1.10     ), second( X ) ), X ) ],
% 0.69/1.10     [ subclass( 'element_relation', 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' ) ), member( X, 
% 0.69/1.10    Y ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.69/1.10    , 'universal_class' ) ) ), ~( member( X, Y ) ), member( 'ordered_pair'( X
% 0.69/1.10    , Y ), 'element_relation' ) ],
% 0.69/1.10     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.69/1.10     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.69/1.10     [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, intersection( Y, 
% 0.69/1.10    Z ) ) ],
% 0.69/1.10     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), member( X, complement( Y ) ), 
% 0.69/1.10    member( X, Y ) ],
% 0.69/1.10     [ =( complement( intersection( complement( X ), complement( Y ) ) ), 
% 0.69/1.10    union( X, Y ) ) ],
% 0.69/1.10     [ =( intersection( complement( intersection( X, Y ) ), complement( 
% 0.69/1.10    intersection( complement( X ), complement( Y ) ) ) ), 
% 0.69/1.10    'symmetric_difference'( X, Y ) ) ],
% 0.69/1.10     [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( X, Y, Z ) ) ]
% 0.69/1.10    ,
% 0.69/1.10     [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( Z, X, Y ) ) ]
% 0.69/1.10    ,
% 0.69/1.10     [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 'null_class' )
% 0.69/1.10     ), ~( member( Y, 'domain_of'( X ) ) ) ],
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), =( restrict( Y, singleton( X ), 
% 0.69/1.10    'universal_class' ), 'null_class' ), member( X, 'domain_of'( Y ) ) ],
% 0.69/1.10     [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 0.69/1.10    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), rotate( T ) )
% 0.69/1.10     ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.69/1.10    member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 'cross_product'( 
% 0.69/1.10    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.69/1.10    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X ), 
% 0.69/1.10    Y ), rotate( T ) ) ],
% 0.69/1.10     [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 0.69/1.10    'universal_class', 'universal_class' ), 'universal_class' ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), flip( T ) ) )
% 0.69/1.10    , member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), T ) ), ~( 
% 0.69/1.10    member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 'cross_product'( 
% 0.69/1.10    'cross_product'( 'universal_class', 'universal_class' ), 
% 0.69/1.10    'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), 
% 0.69/1.10    Z ), flip( T ) ) ],
% 0.69/1.10     [ =( 'domain_of'( flip( 'cross_product'( X, 'universal_class' ) ) ), 
% 0.69/1.10    inverse( X ) ) ],
% 0.69/1.10     [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ],
% 0.69/1.10     [ =( first( 'not_subclass_element'( restrict( X, Y, singleton( Z ) ), 
% 0.69/1.10    'null_class' ) ), domain( X, Y, Z ) ) ],
% 0.69/1.10     [ =( second( 'not_subclass_element'( restrict( X, singleton( Y ), Z ), 
% 0.69/1.10    'null_class' ) ), range( X, Y, Z ) ) ],
% 0.69/1.10     [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), image( X, Y ) )
% 0.69/1.10     ],
% 0.69/1.10     [ =( union( X, singleton( X ) ), successor( X ) ) ],
% 0.69/1.10     [ subclass( 'successor_relation', 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation' ) ), =( 
% 0.69/1.10    successor( X ), Y ) ],
% 0.69/1.10     [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( X, Y ), 
% 0.69/1.10    'cross_product'( 'universal_class', 'universal_class' ) ) ), member( 
% 0.69/1.10    'ordered_pair'( X, Y ), 'successor_relation' ) ],
% 0.69/1.10     [ ~( inductive( X ) ), member( 'null_class', X ) ],
% 0.69/1.10     [ ~( inductive( X ) ), subclass( image( 'successor_relation', X ), X ) ]
% 0.69/1.10    ,
% 0.69/1.10     [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 0.69/1.10    'successor_relation', X ), X ) ), inductive( X ) ],
% 0.69/1.10     [ inductive( omega ) ],
% 0.69/1.10     [ ~( inductive( X ) ), subclass( omega, X ) ],
% 0.69/1.10     [ member( omega, 'universal_class' ) ],
% 0.69/1.10     [ =( 'domain_of'( restrict( 'element_relation', 'universal_class', X ) )
% 0.69/1.10    , 'sum_class'( X ) ) ],
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( X ), 
% 0.69/1.10    'universal_class' ) ],
% 0.69/1.10     [ =( complement( image( 'element_relation', complement( X ) ) ), 
% 0.69/1.10    'power_class'( X ) ) ],
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), member( 'power_class'( X ), 
% 0.69/1.10    'universal_class' ) ],
% 0.69/1.10     [ subclass( compose( X, Y ), 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), member( Y, 
% 0.69/1.10    image( Z, image( T, singleton( X ) ) ) ) ],
% 0.69/1.10     [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) ), ~( member( 
% 0.69/1.10    'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 0.69/1.10     ) ],
% 0.69/1.10     [ ~( 'single_valued_class'( X ) ), subclass( compose( X, inverse( X ) )
% 0.69/1.10    , 'identity_relation' ) ],
% 0.69/1.10     [ ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) ), 
% 0.69/1.10    'single_valued_class'( X ) ],
% 0.69/1.10     [ ~( function( X ) ), subclass( X, 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ],
% 0.69/1.10     [ ~( function( X ) ), subclass( compose( X, inverse( X ) ), 
% 0.69/1.10    'identity_relation' ) ],
% 0.69/1.10     [ ~( subclass( X, 'cross_product'( 'universal_class', 'universal_class'
% 0.69/1.10     ) ) ), ~( subclass( compose( X, inverse( X ) ), 'identity_relation' ) )
% 0.69/1.10    , function( X ) ],
% 0.69/1.10     [ ~( function( X ) ), ~( member( Y, 'universal_class' ) ), member( image( 
% 0.69/1.10    X, Y ), 'universal_class' ) ],
% 0.69/1.10     [ =( X, 'null_class' ), member( regular( X ), X ) ],
% 0.69/1.10     [ =( X, 'null_class' ), =( intersection( X, regular( X ) ), 'null_class'
% 0.69/1.10     ) ],
% 0.69/1.10     [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, Y ) ) ],
% 0.69/1.10     [ function( choice ) ],
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), =( X, 'null_class' ), member( 
% 0.69/1.10    apply( choice, X ), X ) ],
% 0.69/1.10     [ ~( 'one_to_one'( X ) ), function( X ) ],
% 0.69/1.10     [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ],
% 0.69/1.10     [ ~( function( inverse( X ) ) ), ~( function( X ) ), 'one_to_one'( X ) ]
% 0.69/1.10    ,
% 0.69/1.10     [ =( intersection( 'cross_product'( 'universal_class', 'universal_class'
% 0.69/1.10     ), intersection( 'cross_product'( 'universal_class', 'universal_class' )
% 0.69/1.10    , complement( compose( complement( 'element_relation' ), inverse( 
% 0.69/1.10    'element_relation' ) ) ) ) ), 'subset_relation' ) ],
% 0.69/1.10     [ =( intersection( inverse( 'subset_relation' ), 'subset_relation' ), 
% 0.69/1.10    'identity_relation' ) ],
% 0.69/1.10     [ =( complement( 'domain_of'( intersection( X, 'identity_relation' ) ) )
% 0.69/1.10    , diagonalise( X ) ) ],
% 0.69/1.10     [ =( intersection( 'domain_of'( X ), diagonalise( compose( inverse( 
% 0.69/1.10    'element_relation' ), X ) ) ), cantor( X ) ) ],
% 0.69/1.10     [ ~( operation( X ) ), function( X ) ],
% 0.69/1.10     [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 'domain_of'( X )
% 0.69/1.10     ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ],
% 0.69/1.10     [ ~( operation( X ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.69/1.10    'domain_of'( X ) ) ) ],
% 0.69/1.10     [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 'domain_of'( X
% 0.69/1.10     ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) ) ), ~( 
% 0.69/1.10    subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), operation( 
% 0.69/1.10    X ) ],
% 0.69/1.10     [ ~( compatible( X, Y, Z ) ), function( X ) ],
% 0.69/1.10     [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( Y ) ), 
% 0.69/1.10    'domain_of'( X ) ) ],
% 0.69/1.10     [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 'domain_of'( 
% 0.69/1.10    'domain_of'( Z ) ) ) ],
% 0.69/1.10     [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y ) ), 'domain_of'( 
% 0.69/1.10    X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( Z ) ) )
% 0.69/1.10     ), compatible( X, Y, Z ) ],
% 0.69/1.10     [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ],
% 0.69/1.10     [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ],
% 0.69/1.10     [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ],
% 0.69/1.10     [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( T, U ), 
% 0.69/1.10    'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T ), apply( 
% 0.69/1.10    X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ],
% 0.69/1.10     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.69/1.10    member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 0.69/1.10    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 0.69/1.10    , Y ) ],
% 0.69/1.10     [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( Z, X, Y ) ), 
% 0.69/1.10    ~( =( apply( Y, 'ordered_pair'( apply( Z, 'not_homomorphism1'( Z, X, Y )
% 0.69/1.10     ), apply( Z, 'not_homomorphism2'( Z, X, Y ) ) ) ), apply( Z, apply( X, 
% 0.69/1.10    'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 'not_homomorphism2'( Z, X
% 0.69/1.10    , Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ],
% 0.69/1.10     [ subclass( 'compose_class'( X ), 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ), =( 
% 0.69/1.10    compose( Z, X ), Y ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.69/1.10    , 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) ), member( 
% 0.69/1.10    'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ],
% 0.69/1.10     [ subclass( 'composition_function', 'cross_product'( 'universal_class', 
% 0.69/1.10    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.69/1.10    'composition_function' ) ), =( compose( X, Y ), Z ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 'universal_class'
% 0.69/1.10    , 'universal_class' ) ) ), member( 'ordered_pair'( X, 'ordered_pair'( Y, 
% 0.69/1.10    compose( X, Y ) ) ), 'composition_function' ) ],
% 0.69/1.10     [ subclass( 'domain_relation', 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) ), =( 
% 0.69/1.10    'domain_of'( X ), Y ) ],
% 0.69/1.10     [ ~( member( X, 'universal_class' ) ), member( 'ordered_pair'( X, 
% 0.69/1.10    'domain_of'( X ) ), 'domain_relation' ) ],
% 0.69/1.10     [ =( first( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.69/1.10    'identity_relation' ) ), 'single_valued1'( X ) ) ],
% 0.69/1.10     [ =( second( 'not_subclass_element'( compose( X, inverse( X ) ), 
% 0.69/1.10    'identity_relation' ) ), 'single_valued2'( X ) ) ],
% 0.69/1.10     [ =( domain( X, image( inverse( X ), singleton( 'single_valued1'( X ) )
% 0.69/1.10     ), 'single_valued2'( X ) ), 'single_valued3'( X ) ) ],
% 0.69/1.10     [ =( intersection( complement( compose( 'element_relation', complement( 
% 0.69/1.10    'identity_relation' ) ) ), 'element_relation' ), 'singleton_relation' ) ]
% 0.69/1.10    ,
% 0.69/1.10     [ subclass( 'application_function', 'cross_product'( 'universal_class', 
% 0.69/1.10    'cross_product'( 'universal_class', 'universal_class' ) ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.69/1.10    'application_function' ) ), member( Y, 'domain_of'( X ) ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.69/1.10    'application_function' ) ), =( apply( X, Y ), Z ) ],
% 0.69/1.10     [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 0.69/1.10    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 0.69/1.10    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 0.69/1.10    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 0.69/1.10    'application_function' ) ],
% 0.69/1.10     [ ~( maps( X, Y, Z ) ), function( X ) ],
% 0.69/1.10     [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ],
% 2.85/3.25     [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ],
% 2.85/3.25     [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) ), maps( X, 
% 2.85/3.25    'domain_of'( X ), Y ) ],
% 2.85/3.25     [ ~( subclass( intersection( x, y ), x ) ) ]
% 2.85/3.25  ] .
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  percentage equality = 0.223744, percentage horn = 0.929204
% 2.85/3.25  This is a problem with some equality
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Options Used:
% 2.85/3.25  
% 2.85/3.25  useres =            1
% 2.85/3.25  useparamod =        1
% 2.85/3.25  useeqrefl =         1
% 2.85/3.25  useeqfact =         1
% 2.85/3.25  usefactor =         1
% 2.85/3.25  usesimpsplitting =  0
% 2.85/3.25  usesimpdemod =      5
% 2.85/3.25  usesimpres =        3
% 2.85/3.25  
% 2.85/3.25  resimpinuse      =  1000
% 2.85/3.25  resimpclauses =     20000
% 2.85/3.25  substype =          eqrewr
% 2.85/3.25  backwardsubs =      1
% 2.85/3.25  selectoldest =      5
% 2.85/3.25  
% 2.85/3.25  litorderings [0] =  split
% 2.85/3.25  litorderings [1] =  extend the termordering, first sorting on arguments
% 2.85/3.25  
% 2.85/3.25  termordering =      kbo
% 2.85/3.25  
% 2.85/3.25  litapriori =        0
% 2.85/3.25  termapriori =       1
% 2.85/3.25  litaposteriori =    0
% 2.85/3.25  termaposteriori =   0
% 2.85/3.25  demodaposteriori =  0
% 2.85/3.25  ordereqreflfact =   0
% 2.85/3.25  
% 2.85/3.25  litselect =         negord
% 2.85/3.25  
% 2.85/3.25  maxweight =         15
% 2.85/3.25  maxdepth =          30000
% 2.85/3.25  maxlength =         115
% 2.85/3.25  maxnrvars =         195
% 2.85/3.25  excuselevel =       1
% 2.85/3.25  increasemaxweight = 1
% 2.85/3.25  
% 2.85/3.25  maxselected =       10000000
% 2.85/3.25  maxnrclauses =      10000000
% 2.85/3.25  
% 2.85/3.25  showgenerated =    0
% 2.85/3.25  showkept =         0
% 2.85/3.25  showselected =     0
% 2.85/3.25  showdeleted =      0
% 2.85/3.25  showresimp =       1
% 2.85/3.25  showstatus =       2000
% 2.85/3.25  
% 2.85/3.25  prologoutput =     1
% 2.85/3.25  nrgoals =          5000000
% 2.85/3.25  totalproof =       1
% 2.85/3.25  
% 2.85/3.25  Symbols occurring in the translation:
% 2.85/3.25  
% 2.85/3.25  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 2.85/3.25  .  [1, 2]      (w:1, o:64, a:1, s:1, b:0), 
% 2.85/3.25  !  [4, 1]      (w:0, o:35, a:1, s:1, b:0), 
% 2.85/3.25  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.85/3.25  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.85/3.25  subclass  [41, 2]      (w:1, o:89, a:1, s:1, b:0), 
% 2.85/3.25  member  [43, 2]      (w:1, o:90, a:1, s:1, b:0), 
% 2.85/3.25  'not_subclass_element'  [44, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 2.85/3.25  'universal_class'  [45, 0]      (w:1, o:22, a:1, s:1, b:0), 
% 2.85/3.25  'unordered_pair'  [46, 2]      (w:1, o:92, a:1, s:1, b:0), 
% 2.85/3.25  singleton  [47, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 2.85/3.25  'ordered_pair'  [48, 2]      (w:1, o:93, a:1, s:1, b:0), 
% 2.85/3.25  'cross_product'  [50, 2]      (w:1, o:94, a:1, s:1, b:0), 
% 2.85/3.25  first  [52, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 2.85/3.25  second  [53, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 2.85/3.25  'element_relation'  [54, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 2.85/3.25  intersection  [55, 2]      (w:1, o:96, a:1, s:1, b:0), 
% 2.85/3.25  complement  [56, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 2.85/3.25  union  [57, 2]      (w:1, o:97, a:1, s:1, b:0), 
% 2.85/3.25  'symmetric_difference'  [58, 2]      (w:1, o:98, a:1, s:1, b:0), 
% 2.85/3.25  restrict  [60, 3]      (w:1, o:101, a:1, s:1, b:0), 
% 2.85/3.25  'null_class'  [61, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 2.85/3.25  'domain_of'  [62, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 2.85/3.25  rotate  [63, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 2.85/3.25  flip  [65, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 2.85/3.25  inverse  [66, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 2.85/3.25  'range_of'  [67, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 2.85/3.25  domain  [68, 3]      (w:1, o:103, a:1, s:1, b:0), 
% 2.85/3.25  range  [69, 3]      (w:1, o:104, a:1, s:1, b:0), 
% 2.85/3.25  image  [70, 2]      (w:1, o:95, a:1, s:1, b:0), 
% 2.85/3.25  successor  [71, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 2.85/3.25  'successor_relation'  [72, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 2.85/3.25  inductive  [73, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 2.85/3.25  omega  [74, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 2.85/3.25  'sum_class'  [75, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 2.85/3.25  'power_class'  [76, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 2.85/3.25  compose  [78, 2]      (w:1, o:99, a:1, s:1, b:0), 
% 2.85/3.25  'single_valued_class'  [79, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 2.85/3.25  'identity_relation'  [80, 0]      (w:1, o:29, a:1, s:1, b:0), 
% 2.85/3.25  function  [82, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 2.85/3.25  regular  [83, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 2.85/3.25  apply  [84, 2]      (w:1, o:100, a:1, s:1, b:0), 
% 2.85/3.25  choice  [85, 0]      (w:1, o:30, a:1, s:1, b:0), 
% 2.85/3.25  'one_to_one'  [86, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 2.85/3.25  'subset_relation'  [87, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 2.85/3.25  diagonalise  [88, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 2.85/3.25  cantor  [89, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 2.85/3.25  operation  [90, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 2.85/3.25  compatible  [94, 3]      (w:1, o:102, a:1, s:1, b:0), 
% 2.85/3.25  homomorphism  [95, 3]      (w:1, o:105, a:1, s:1, b:0), 
% 2.85/3.25  'not_homomorphism1'  [96, 3]      (w:1, o:107, a:1, s:1, b:0), 
% 2.85/3.25  'not_homomorphism2'  [97, 3]      (w:1, o:108, a:1, s:1, b:0), 
% 2.85/3.25  'compose_class'  [98, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 2.85/3.25  'composition_function'  [99, 0]      (w:1, o:31, a:1, s:1, b:0), 
% 2.85/3.25  'domain_relation'  [100, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 2.85/3.25  'single_valued1'  [101, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 2.85/3.25  'single_valued2'  [102, 1]      (w:1, o:62, a:1, s:1, b:0), 
% 2.85/3.25  'single_valued3'  [103, 1]      (w:1, o:63, a:1, s:1, b:0), 
% 2.85/3.25  'singleton_relation'  [104, 0]      (w:1, o:7, a:1, s:1, b:0), 
% 2.85/3.25  'application_function'  [105, 0]      (w:1, o:32, a:1, s:1, b:0), 
% 2.85/3.25  maps  [106, 3]      (w:1, o:106, a:1, s:1, b:0), 
% 2.85/3.25  x  [107, 0]      (w:1, o:33, a:1, s:1, b:0), 
% 2.85/3.25  y  [108, 0]      (w:1, o:34, a:1, s:1, b:0).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Starting Search:
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    4597
% 2.85/3.25  Kept:         2005
% 2.85/3.25  Inuse:        111
% 2.85/3.25  Deleted:      4
% 2.85/3.25  Deletedinuse: 2
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    9166
% 2.85/3.25  Kept:         4017
% 2.85/3.25  Inuse:        183
% 2.85/3.25  Deleted:      13
% 2.85/3.25  Deletedinuse: 5
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    13053
% 2.85/3.25  Kept:         6064
% 2.85/3.25  Inuse:        236
% 2.85/3.25  Deleted:      20
% 2.85/3.25  Deletedinuse: 10
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    18118
% 2.85/3.25  Kept:         8239
% 2.85/3.25  Inuse:        289
% 2.85/3.25  Deleted:      80
% 2.85/3.25  Deletedinuse: 68
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    23961
% 2.85/3.25  Kept:         10765
% 2.85/3.25  Inuse:        366
% 2.85/3.25  Deleted:      89
% 2.85/3.25  Deletedinuse: 74
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    27500
% 2.85/3.25  Kept:         12768
% 2.85/3.25  Inuse:        394
% 2.85/3.25  Deleted:      94
% 2.85/3.25  Deletedinuse: 79
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    31513
% 2.85/3.25  Kept:         14909
% 2.85/3.25  Inuse:        431
% 2.85/3.25  Deleted:      95
% 2.85/3.25  Deletedinuse: 80
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    36690
% 2.85/3.25  Kept:         18218
% 2.85/3.25  Inuse:        456
% 2.85/3.25  Deleted:      95
% 2.85/3.25  Deletedinuse: 80
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    44843
% 2.85/3.25  Kept:         21171
% 2.85/3.25  Inuse:        466
% 2.85/3.25  Deleted:      96
% 2.85/3.25  Deletedinuse: 81
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying clauses:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Intermediate Status:
% 2.85/3.25  Generated:    50112
% 2.85/3.25  Kept:         23191
% 2.85/3.25  Inuse:        510
% 2.85/3.25  Deleted:      3338
% 2.85/3.25  Deletedinuse: 81
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  Resimplifying inuse:
% 2.85/3.25  Done
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Bliksems!, er is een bewijs:
% 2.85/3.25  % SZS status Unsatisfiable
% 2.85/3.25  % SZS output start Refutation
% 2.85/3.25  
% 2.85/3.25  clause( 1, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y )
% 2.85/3.25     ] )
% 2.85/3.25  .
% 2.85/3.25  clause( 2, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X
% 2.85/3.25    , Y ) ] )
% 2.85/3.25  .
% 2.85/3.25  clause( 19, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ] )
% 2.85/3.25  .
% 2.85/3.25  clause( 111, [ ~( subclass( intersection( x, y ), x ) ) ] )
% 2.85/3.25  .
% 2.85/3.25  clause( 135, [ member( 'not_subclass_element'( intersection( x, y ), x ), 
% 2.85/3.25    intersection( x, y ) ) ] )
% 2.85/3.25  .
% 2.85/3.25  clause( 137, [ ~( member( 'not_subclass_element'( intersection( x, y ), x )
% 2.85/3.25    , x ) ) ] )
% 2.85/3.25  .
% 2.85/3.25  clause( 24774, [] )
% 2.85/3.25  .
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  % SZS output end Refutation
% 2.85/3.25  found a proof!
% 2.85/3.25  
% 2.85/3.25  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.85/3.25  
% 2.85/3.25  initialclauses(
% 2.85/3.25  [ clause( 24776, [ ~( subclass( X, Y ) ), ~( member( Z, X ) ), member( Z, Y
% 2.85/3.25     ) ] )
% 2.85/3.25  , clause( 24777, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 2.85/3.25    , Y ) ] )
% 2.85/3.25  , clause( 24778, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 2.85/3.25    subclass( X, Y ) ] )
% 2.85/3.25  , clause( 24779, [ subclass( X, 'universal_class' ) ] )
% 2.85/3.25  , clause( 24780, [ ~( =( X, Y ) ), subclass( X, Y ) ] )
% 2.85/3.25  , clause( 24781, [ ~( =( X, Y ) ), subclass( Y, X ) ] )
% 2.85/3.25  , clause( 24782, [ ~( subclass( X, Y ) ), ~( subclass( Y, X ) ), =( X, Y )
% 2.85/3.25     ] )
% 2.85/3.25  , clause( 24783, [ ~( member( X, 'unordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 2.85/3.25    =( X, Z ) ] )
% 2.85/3.25  , clause( 24784, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.85/3.25    'unordered_pair'( X, Y ) ) ] )
% 2.85/3.25  , clause( 24785, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.85/3.25    'unordered_pair'( Y, X ) ) ] )
% 2.85/3.25  , clause( 24786, [ member( 'unordered_pair'( X, Y ), 'universal_class' ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24787, [ =( 'unordered_pair'( X, X ), singleton( X ) ) ] )
% 2.85/3.25  , clause( 24788, [ =( 'unordered_pair'( singleton( X ), 'unordered_pair'( X
% 2.85/3.25    , singleton( Y ) ) ), 'ordered_pair'( X, Y ) ) ] )
% 2.85/3.25  , clause( 24789, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.85/3.25     ) ) ), member( X, Z ) ] )
% 2.85/3.25  , clause( 24790, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( Z, T
% 2.85/3.25     ) ) ), member( Y, T ) ] )
% 2.85/3.25  , clause( 24791, [ ~( member( X, Y ) ), ~( member( Z, T ) ), member( 
% 2.85/3.25    'ordered_pair'( X, Z ), 'cross_product'( Y, T ) ) ] )
% 2.85/3.25  , clause( 24792, [ ~( member( X, 'cross_product'( Y, Z ) ) ), =( 
% 2.85/3.25    'ordered_pair'( first( X ), second( X ) ), X ) ] )
% 2.85/3.25  , clause( 24793, [ subclass( 'element_relation', 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24794, [ ~( member( 'ordered_pair'( X, Y ), 'element_relation' )
% 2.85/3.25     ), member( X, Y ) ] )
% 2.85/3.25  , clause( 24795, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ), ~( member( X, Y ) ), member( 
% 2.85/3.25    'ordered_pair'( X, Y ), 'element_relation' ) ] )
% 2.85/3.25  , clause( 24796, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24797, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24798, [ ~( member( X, Y ) ), ~( member( X, Z ) ), member( X, 
% 2.85/3.25    intersection( Y, Z ) ) ] )
% 2.85/3.25  , clause( 24799, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24800, [ ~( member( X, 'universal_class' ) ), member( X, 
% 2.85/3.25    complement( Y ) ), member( X, Y ) ] )
% 2.85/3.25  , clause( 24801, [ =( complement( intersection( complement( X ), complement( 
% 2.85/3.25    Y ) ) ), union( X, Y ) ) ] )
% 2.85/3.25  , clause( 24802, [ =( intersection( complement( intersection( X, Y ) ), 
% 2.85/3.25    complement( intersection( complement( X ), complement( Y ) ) ) ), 
% 2.85/3.25    'symmetric_difference'( X, Y ) ) ] )
% 2.85/3.25  , clause( 24803, [ =( intersection( X, 'cross_product'( Y, Z ) ), restrict( 
% 2.85/3.25    X, Y, Z ) ) ] )
% 2.85/3.25  , clause( 24804, [ =( intersection( 'cross_product'( X, Y ), Z ), restrict( 
% 2.85/3.25    Z, X, Y ) ) ] )
% 2.85/3.25  , clause( 24805, [ ~( =( restrict( X, singleton( Y ), 'universal_class' ), 
% 2.85/3.25    'null_class' ) ), ~( member( Y, 'domain_of'( X ) ) ) ] )
% 2.85/3.25  , clause( 24806, [ ~( member( X, 'universal_class' ) ), =( restrict( Y, 
% 2.85/3.25    singleton( X ), 'universal_class' ), 'null_class' ), member( X, 
% 2.85/3.25    'domain_of'( Y ) ) ] )
% 2.85/3.25  , clause( 24807, [ subclass( rotate( X ), 'cross_product'( 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24808, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.85/3.25    rotate( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, Z ), X ), T )
% 2.85/3.25     ] )
% 2.85/3.25  , clause( 24809, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.85/3.25    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Z, X ), Y ), 
% 2.85/3.25    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 2.85/3.25    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Z, X )
% 2.85/3.25    , Y ), rotate( T ) ) ] )
% 2.85/3.25  , clause( 24810, [ subclass( flip( X ), 'cross_product'( 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ), 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24811, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.85/3.25    flip( T ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), T ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24812, [ ~( member( 'ordered_pair'( 'ordered_pair'( X, Y ), Z ), 
% 2.85/3.25    T ) ), ~( member( 'ordered_pair'( 'ordered_pair'( Y, X ), Z ), 
% 2.85/3.25    'cross_product'( 'cross_product'( 'universal_class', 'universal_class' )
% 2.85/3.25    , 'universal_class' ) ) ), member( 'ordered_pair'( 'ordered_pair'( Y, X )
% 2.85/3.25    , Z ), flip( T ) ) ] )
% 2.85/3.25  , clause( 24813, [ =( 'domain_of'( flip( 'cross_product'( X, 
% 2.85/3.25    'universal_class' ) ) ), inverse( X ) ) ] )
% 2.85/3.25  , clause( 24814, [ =( 'domain_of'( inverse( X ) ), 'range_of'( X ) ) ] )
% 2.85/3.25  , clause( 24815, [ =( first( 'not_subclass_element'( restrict( X, Y, 
% 2.85/3.25    singleton( Z ) ), 'null_class' ) ), domain( X, Y, Z ) ) ] )
% 2.85/3.25  , clause( 24816, [ =( second( 'not_subclass_element'( restrict( X, 
% 2.85/3.25    singleton( Y ), Z ), 'null_class' ) ), range( X, Y, Z ) ) ] )
% 2.85/3.25  , clause( 24817, [ =( 'range_of'( restrict( X, Y, 'universal_class' ) ), 
% 2.85/3.25    image( X, Y ) ) ] )
% 2.85/3.25  , clause( 24818, [ =( union( X, singleton( X ) ), successor( X ) ) ] )
% 2.85/3.25  , clause( 24819, [ subclass( 'successor_relation', 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24820, [ ~( member( 'ordered_pair'( X, Y ), 'successor_relation'
% 2.85/3.25     ) ), =( successor( X ), Y ) ] )
% 2.85/3.25  , clause( 24821, [ ~( =( successor( X ), Y ) ), ~( member( 'ordered_pair'( 
% 2.85/3.25    X, Y ), 'cross_product'( 'universal_class', 'universal_class' ) ) ), 
% 2.85/3.25    member( 'ordered_pair'( X, Y ), 'successor_relation' ) ] )
% 2.85/3.25  , clause( 24822, [ ~( inductive( X ) ), member( 'null_class', X ) ] )
% 2.85/3.25  , clause( 24823, [ ~( inductive( X ) ), subclass( image( 
% 2.85/3.25    'successor_relation', X ), X ) ] )
% 2.85/3.25  , clause( 24824, [ ~( member( 'null_class', X ) ), ~( subclass( image( 
% 2.85/3.25    'successor_relation', X ), X ) ), inductive( X ) ] )
% 2.85/3.25  , clause( 24825, [ inductive( omega ) ] )
% 2.85/3.25  , clause( 24826, [ ~( inductive( X ) ), subclass( omega, X ) ] )
% 2.85/3.25  , clause( 24827, [ member( omega, 'universal_class' ) ] )
% 2.85/3.25  , clause( 24828, [ =( 'domain_of'( restrict( 'element_relation', 
% 2.85/3.25    'universal_class', X ) ), 'sum_class'( X ) ) ] )
% 2.85/3.25  , clause( 24829, [ ~( member( X, 'universal_class' ) ), member( 'sum_class'( 
% 2.85/3.25    X ), 'universal_class' ) ] )
% 2.85/3.25  , clause( 24830, [ =( complement( image( 'element_relation', complement( X
% 2.85/3.25     ) ) ), 'power_class'( X ) ) ] )
% 2.85/3.25  , clause( 24831, [ ~( member( X, 'universal_class' ) ), member( 
% 2.85/3.25    'power_class'( X ), 'universal_class' ) ] )
% 2.85/3.25  , clause( 24832, [ subclass( compose( X, Y ), 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24833, [ ~( member( 'ordered_pair'( X, Y ), compose( Z, T ) ) ), 
% 2.85/3.25    member( Y, image( Z, image( T, singleton( X ) ) ) ) ] )
% 2.85/3.25  , clause( 24834, [ ~( member( X, image( Y, image( Z, singleton( T ) ) ) ) )
% 2.85/3.25    , ~( member( 'ordered_pair'( T, X ), 'cross_product'( 'universal_class', 
% 2.85/3.25    'universal_class' ) ) ), member( 'ordered_pair'( T, X ), compose( Y, Z )
% 2.85/3.25     ) ] )
% 2.85/3.25  , clause( 24835, [ ~( 'single_valued_class'( X ) ), subclass( compose( X, 
% 2.85/3.25    inverse( X ) ), 'identity_relation' ) ] )
% 2.85/3.25  , clause( 24836, [ ~( subclass( compose( X, inverse( X ) ), 
% 2.85/3.25    'identity_relation' ) ), 'single_valued_class'( X ) ] )
% 2.85/3.25  , clause( 24837, [ ~( function( X ) ), subclass( X, 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24838, [ ~( function( X ) ), subclass( compose( X, inverse( X ) )
% 2.85/3.25    , 'identity_relation' ) ] )
% 2.85/3.25  , clause( 24839, [ ~( subclass( X, 'cross_product'( 'universal_class', 
% 2.85/3.25    'universal_class' ) ) ), ~( subclass( compose( X, inverse( X ) ), 
% 2.85/3.25    'identity_relation' ) ), function( X ) ] )
% 2.85/3.25  , clause( 24840, [ ~( function( X ) ), ~( member( Y, 'universal_class' ) )
% 2.85/3.25    , member( image( X, Y ), 'universal_class' ) ] )
% 2.85/3.25  , clause( 24841, [ =( X, 'null_class' ), member( regular( X ), X ) ] )
% 2.85/3.25  , clause( 24842, [ =( X, 'null_class' ), =( intersection( X, regular( X ) )
% 2.85/3.25    , 'null_class' ) ] )
% 2.85/3.25  , clause( 24843, [ =( 'sum_class'( image( X, singleton( Y ) ) ), apply( X, 
% 2.85/3.25    Y ) ) ] )
% 2.85/3.25  , clause( 24844, [ function( choice ) ] )
% 2.85/3.25  , clause( 24845, [ ~( member( X, 'universal_class' ) ), =( X, 'null_class'
% 2.85/3.25     ), member( apply( choice, X ), X ) ] )
% 2.85/3.25  , clause( 24846, [ ~( 'one_to_one'( X ) ), function( X ) ] )
% 2.85/3.25  , clause( 24847, [ ~( 'one_to_one'( X ) ), function( inverse( X ) ) ] )
% 2.85/3.25  , clause( 24848, [ ~( function( inverse( X ) ) ), ~( function( X ) ), 
% 2.85/3.25    'one_to_one'( X ) ] )
% 2.85/3.25  , clause( 24849, [ =( intersection( 'cross_product'( 'universal_class', 
% 2.85/3.25    'universal_class' ), intersection( 'cross_product'( 'universal_class', 
% 2.85/3.25    'universal_class' ), complement( compose( complement( 'element_relation'
% 2.85/3.25     ), inverse( 'element_relation' ) ) ) ) ), 'subset_relation' ) ] )
% 2.85/3.25  , clause( 24850, [ =( intersection( inverse( 'subset_relation' ), 
% 2.85/3.25    'subset_relation' ), 'identity_relation' ) ] )
% 2.85/3.25  , clause( 24851, [ =( complement( 'domain_of'( intersection( X, 
% 2.85/3.25    'identity_relation' ) ) ), diagonalise( X ) ) ] )
% 2.85/3.25  , clause( 24852, [ =( intersection( 'domain_of'( X ), diagonalise( compose( 
% 2.85/3.25    inverse( 'element_relation' ), X ) ) ), cantor( X ) ) ] )
% 2.85/3.25  , clause( 24853, [ ~( operation( X ) ), function( X ) ] )
% 2.85/3.25  , clause( 24854, [ ~( operation( X ) ), =( 'cross_product'( 'domain_of'( 
% 2.85/3.25    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 2.85/3.25     ] )
% 2.85/3.25  , clause( 24855, [ ~( operation( X ) ), subclass( 'range_of'( X ), 
% 2.85/3.25    'domain_of'( 'domain_of'( X ) ) ) ] )
% 2.85/3.25  , clause( 24856, [ ~( function( X ) ), ~( =( 'cross_product'( 'domain_of'( 
% 2.85/3.25    'domain_of'( X ) ), 'domain_of'( 'domain_of'( X ) ) ), 'domain_of'( X ) )
% 2.85/3.25     ), ~( subclass( 'range_of'( X ), 'domain_of'( 'domain_of'( X ) ) ) ), 
% 2.85/3.25    operation( X ) ] )
% 2.85/3.25  , clause( 24857, [ ~( compatible( X, Y, Z ) ), function( X ) ] )
% 2.85/3.25  , clause( 24858, [ ~( compatible( X, Y, Z ) ), =( 'domain_of'( 'domain_of'( 
% 2.85/3.25    Y ) ), 'domain_of'( X ) ) ] )
% 2.85/3.25  , clause( 24859, [ ~( compatible( X, Y, Z ) ), subclass( 'range_of'( X ), 
% 2.85/3.25    'domain_of'( 'domain_of'( Z ) ) ) ] )
% 2.85/3.25  , clause( 24860, [ ~( function( X ) ), ~( =( 'domain_of'( 'domain_of'( Y )
% 2.85/3.25     ), 'domain_of'( X ) ) ), ~( subclass( 'range_of'( X ), 'domain_of'( 
% 2.85/3.25    'domain_of'( Z ) ) ) ), compatible( X, Y, Z ) ] )
% 2.85/3.25  , clause( 24861, [ ~( homomorphism( X, Y, Z ) ), operation( Y ) ] )
% 2.85/3.25  , clause( 24862, [ ~( homomorphism( X, Y, Z ) ), operation( Z ) ] )
% 2.85/3.25  , clause( 24863, [ ~( homomorphism( X, Y, Z ) ), compatible( X, Y, Z ) ] )
% 2.85/3.25  , clause( 24864, [ ~( homomorphism( X, Y, Z ) ), ~( member( 'ordered_pair'( 
% 2.85/3.25    T, U ), 'domain_of'( Y ) ) ), =( apply( Z, 'ordered_pair'( apply( X, T )
% 2.85/3.25    , apply( X, U ) ) ), apply( X, apply( Y, 'ordered_pair'( T, U ) ) ) ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24865, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 2.85/3.25    Z, X, Y ) ), member( 'ordered_pair'( 'not_homomorphism1'( Z, X, Y ), 
% 2.85/3.25    'not_homomorphism2'( Z, X, Y ) ), 'domain_of'( X ) ), homomorphism( Z, X
% 2.85/3.25    , Y ) ] )
% 2.85/3.25  , clause( 24866, [ ~( operation( X ) ), ~( operation( Y ) ), ~( compatible( 
% 2.85/3.25    Z, X, Y ) ), ~( =( apply( Y, 'ordered_pair'( apply( Z, 
% 2.85/3.25    'not_homomorphism1'( Z, X, Y ) ), apply( Z, 'not_homomorphism2'( Z, X, Y
% 2.85/3.25     ) ) ) ), apply( Z, apply( X, 'ordered_pair'( 'not_homomorphism1'( Z, X, 
% 2.85/3.25    Y ), 'not_homomorphism2'( Z, X, Y ) ) ) ) ) ), homomorphism( Z, X, Y ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24867, [ subclass( 'compose_class'( X ), 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24868, [ ~( member( 'ordered_pair'( X, Y ), 'compose_class'( Z )
% 2.85/3.25     ) ), =( compose( Z, X ), Y ) ] )
% 2.85/3.25  , clause( 24869, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ), ~( =( compose( Z, X ), Y ) )
% 2.85/3.25    , member( 'ordered_pair'( X, Y ), 'compose_class'( Z ) ) ] )
% 2.85/3.25  , clause( 24870, [ subclass( 'composition_function', 'cross_product'( 
% 2.85/3.25    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 2.85/3.25     ) ) ) ] )
% 2.85/3.25  , clause( 24871, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.85/3.25    'composition_function' ) ), =( compose( X, Y ), Z ) ] )
% 2.85/3.25  , clause( 24872, [ ~( member( 'ordered_pair'( X, Y ), 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ), member( 'ordered_pair'( X, 
% 2.85/3.25    'ordered_pair'( Y, compose( X, Y ) ) ), 'composition_function' ) ] )
% 2.85/3.25  , clause( 24873, [ subclass( 'domain_relation', 'cross_product'( 
% 2.85/3.25    'universal_class', 'universal_class' ) ) ] )
% 2.85/3.25  , clause( 24874, [ ~( member( 'ordered_pair'( X, Y ), 'domain_relation' ) )
% 2.85/3.25    , =( 'domain_of'( X ), Y ) ] )
% 2.85/3.25  , clause( 24875, [ ~( member( X, 'universal_class' ) ), member( 
% 2.85/3.25    'ordered_pair'( X, 'domain_of'( X ) ), 'domain_relation' ) ] )
% 2.85/3.25  , clause( 24876, [ =( first( 'not_subclass_element'( compose( X, inverse( X
% 2.85/3.25     ) ), 'identity_relation' ) ), 'single_valued1'( X ) ) ] )
% 2.85/3.25  , clause( 24877, [ =( second( 'not_subclass_element'( compose( X, inverse( 
% 2.85/3.25    X ) ), 'identity_relation' ) ), 'single_valued2'( X ) ) ] )
% 2.85/3.25  , clause( 24878, [ =( domain( X, image( inverse( X ), singleton( 
% 2.85/3.25    'single_valued1'( X ) ) ), 'single_valued2'( X ) ), 'single_valued3'( X )
% 2.85/3.25     ) ] )
% 2.85/3.25  , clause( 24879, [ =( intersection( complement( compose( 'element_relation'
% 2.85/3.25    , complement( 'identity_relation' ) ) ), 'element_relation' ), 
% 2.85/3.25    'singleton_relation' ) ] )
% 2.85/3.25  , clause( 24880, [ subclass( 'application_function', 'cross_product'( 
% 2.85/3.25    'universal_class', 'cross_product'( 'universal_class', 'universal_class'
% 2.85/3.25     ) ) ) ] )
% 2.85/3.25  , clause( 24881, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.85/3.25    'application_function' ) ), member( Y, 'domain_of'( X ) ) ] )
% 2.85/3.25  , clause( 24882, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.85/3.25    'application_function' ) ), =( apply( X, Y ), Z ) ] )
% 2.85/3.25  , clause( 24883, [ ~( member( 'ordered_pair'( X, 'ordered_pair'( Y, Z ) ), 
% 2.85/3.25    'cross_product'( 'universal_class', 'cross_product'( 'universal_class', 
% 2.85/3.25    'universal_class' ) ) ) ), ~( member( Y, 'domain_of'( X ) ) ), member( 
% 2.85/3.25    'ordered_pair'( X, 'ordered_pair'( Y, apply( X, Y ) ) ), 
% 2.85/3.25    'application_function' ) ] )
% 2.85/3.25  , clause( 24884, [ ~( maps( X, Y, Z ) ), function( X ) ] )
% 2.85/3.25  , clause( 24885, [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ] )
% 2.85/3.25  , clause( 24886, [ ~( maps( X, Y, Z ) ), subclass( 'range_of'( X ), Z ) ]
% 2.85/3.25     )
% 2.85/3.25  , clause( 24887, [ ~( function( X ) ), ~( subclass( 'range_of'( X ), Y ) )
% 2.85/3.25    , maps( X, 'domain_of'( X ), Y ) ] )
% 2.85/3.25  , clause( 24888, [ ~( subclass( intersection( x, y ), x ) ) ] )
% 2.85/3.25  ] ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  subsumption(
% 2.85/3.25  clause( 1, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X, Y )
% 2.85/3.25     ] )
% 2.85/3.25  , clause( 24777, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 2.85/3.25    , Y ) ] )
% 2.85/3.25  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.85/3.25     ), ==>( 1, 1 )] ) ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  subsumption(
% 2.85/3.25  clause( 2, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), subclass( X
% 2.85/3.25    , Y ) ] )
% 2.85/3.25  , clause( 24778, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 2.85/3.25    subclass( X, Y ) ] )
% 2.85/3.25  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.85/3.25     ), ==>( 1, 1 )] ) ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  subsumption(
% 2.85/3.25  clause( 19, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ] )
% 2.85/3.25  , clause( 24796, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 2.85/3.25     )
% 2.85/3.25  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.85/3.25    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  subsumption(
% 2.85/3.25  clause( 111, [ ~( subclass( intersection( x, y ), x ) ) ] )
% 2.85/3.25  , clause( 24888, [ ~( subclass( intersection( x, y ), x ) ) ] )
% 2.85/3.25  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  resolution(
% 2.85/3.25  clause( 24961, [ member( 'not_subclass_element'( intersection( x, y ), x )
% 2.85/3.25    , intersection( x, y ) ) ] )
% 2.85/3.25  , clause( 111, [ ~( subclass( intersection( x, y ), x ) ) ] )
% 2.85/3.25  , 0, clause( 1, [ member( 'not_subclass_element'( X, Y ), X ), subclass( X
% 2.85/3.25    , Y ) ] )
% 2.85/3.25  , 1, substitution( 0, [] ), substitution( 1, [ :=( X, intersection( x, y )
% 2.85/3.25     ), :=( Y, x )] )).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  subsumption(
% 2.85/3.25  clause( 135, [ member( 'not_subclass_element'( intersection( x, y ), x ), 
% 2.85/3.25    intersection( x, y ) ) ] )
% 2.85/3.25  , clause( 24961, [ member( 'not_subclass_element'( intersection( x, y ), x
% 2.85/3.25     ), intersection( x, y ) ) ] )
% 2.85/3.25  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  resolution(
% 2.85/3.25  clause( 24962, [ ~( member( 'not_subclass_element'( intersection( x, y ), x
% 2.85/3.25     ), x ) ) ] )
% 2.85/3.25  , clause( 111, [ ~( subclass( intersection( x, y ), x ) ) ] )
% 2.85/3.25  , 0, clause( 2, [ ~( member( 'not_subclass_element'( X, Y ), Y ) ), 
% 2.85/3.25    subclass( X, Y ) ] )
% 2.85/3.25  , 1, substitution( 0, [] ), substitution( 1, [ :=( X, intersection( x, y )
% 2.85/3.25     ), :=( Y, x )] )).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  subsumption(
% 2.85/3.25  clause( 137, [ ~( member( 'not_subclass_element'( intersection( x, y ), x )
% 2.85/3.25    , x ) ) ] )
% 2.85/3.25  , clause( 24962, [ ~( member( 'not_subclass_element'( intersection( x, y )
% 2.85/3.25    , x ), x ) ) ] )
% 2.85/3.25  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  resolution(
% 2.85/3.25  clause( 24963, [ member( 'not_subclass_element'( intersection( x, y ), x )
% 2.85/3.25    , x ) ] )
% 2.85/3.25  , clause( 19, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ] )
% 2.85/3.25  , 0, clause( 135, [ member( 'not_subclass_element'( intersection( x, y ), x
% 2.85/3.25     ), intersection( x, y ) ) ] )
% 2.85/3.25  , 0, substitution( 0, [ :=( X, 'not_subclass_element'( intersection( x, y )
% 2.85/3.25    , x ) ), :=( Y, x ), :=( Z, y )] ), substitution( 1, [] )).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  resolution(
% 2.85/3.25  clause( 24964, [] )
% 2.85/3.25  , clause( 137, [ ~( member( 'not_subclass_element'( intersection( x, y ), x
% 2.85/3.25     ), x ) ) ] )
% 2.85/3.25  , 0, clause( 24963, [ member( 'not_subclass_element'( intersection( x, y )
% 2.85/3.25    , x ), x ) ] )
% 2.85/3.25  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  subsumption(
% 2.85/3.25  clause( 24774, [] )
% 2.85/3.25  , clause( 24964, [] )
% 2.85/3.25  , substitution( 0, [] ), permutation( 0, [] ) ).
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  end.
% 2.85/3.25  
% 2.85/3.25  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.85/3.25  
% 2.85/3.25  Memory use:
% 2.85/3.25  
% 2.85/3.25  space for terms:        372059
% 2.85/3.25  space for clauses:      1153373
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  clauses generated:      53551
% 2.85/3.25  clauses kept:           24775
% 2.85/3.25  clauses selected:       546
% 2.85/3.25  clauses deleted:        3340
% 2.85/3.25  clauses inuse deleted:  83
% 2.85/3.25  
% 2.85/3.25  subsentry:          178089
% 2.85/3.25  literals s-matched: 132554
% 2.85/3.25  literals matched:   130095
% 2.85/3.25  full subsumption:   58310
% 2.85/3.25  
% 2.85/3.25  checksum:           -383830689
% 2.85/3.25  
% 2.85/3.25  
% 2.85/3.25  Bliksem ended
%------------------------------------------------------------------------------