TSTP Solution File: SET025-9 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET025-9 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n019.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 22:45:43 EDT 2022

% Result   : Unsatisfiable 0.80s 1.16s
% Output   : Refutation 0.80s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET025-9 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : bliksem %s
% 0.13/0.35  % Computer : n019.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % DateTime : Sun Jul 10 17:12:23 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.76/1.13  *** allocated 10000 integers for termspace/termends
% 0.76/1.13  *** allocated 10000 integers for clauses
% 0.76/1.13  *** allocated 10000 integers for justifications
% 0.76/1.13  Bliksem 1.12
% 0.76/1.13  
% 0.76/1.13  
% 0.76/1.13  Automatic Strategy Selection
% 0.76/1.13  
% 0.76/1.13  Clauses:
% 0.76/1.13  [
% 0.76/1.13     [ ~( member( X, Y ) ), 'little_set'( X ) ],
% 0.76/1.13     [ 'little_set'( f1( X, Y ) ), =( X, Y ) ],
% 0.76/1.13     [ member( f1( X, Y ), X ), member( f1( X, Y ), Y ), =( X, Y ) ],
% 0.76/1.13     [ ~( member( f1( X, Y ), X ) ), ~( member( f1( X, Y ), Y ) ), =( X, Y )
% 0.76/1.13     ],
% 0.76/1.13     [ ~( member( X, 'non_ordered_pair'( Y, Z ) ) ), =( X, Y ), =( X, Z ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ member( X, 'non_ordered_pair'( Y, Z ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    =( X, Y ) ) ],
% 0.76/1.13     [ member( X, 'non_ordered_pair'( Y, Z ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    =( X, Z ) ) ],
% 0.76/1.13     [ 'little_set'( 'non_ordered_pair'( X, Y ) ) ],
% 0.76/1.13     [ =( 'singleton_set'( X ), 'non_ordered_pair'( X, X ) ) ],
% 0.76/1.13     [ =( 'ordered_pair'( X, Y ), 'non_ordered_pair'( 'singleton_set'( X ), 
% 0.76/1.13    'non_ordered_pair'( X, Y ) ) ) ],
% 0.76/1.13     [ ~( 'ordered_pair_predicate'( X ) ), 'little_set'( f2( X ) ) ],
% 0.76/1.13     [ ~( 'ordered_pair_predicate'( X ) ), 'little_set'( f3( X ) ) ],
% 0.76/1.13     [ ~( 'ordered_pair_predicate'( X ) ), =( X, 'ordered_pair'( f2( X ), f3( 
% 0.76/1.13    X ) ) ) ],
% 0.76/1.13     [ 'ordered_pair_predicate'( X ), ~( 'little_set'( Y ) ), ~( 'little_set'( 
% 0.76/1.13    Z ) ), ~( =( X, 'ordered_pair'( Y, Z ) ) ) ],
% 0.76/1.13     [ ~( member( X, first( Y ) ) ), 'little_set'( f4( X, Y ) ) ],
% 0.76/1.13     [ ~( member( X, first( Y ) ) ), 'little_set'( f5( X, Y ) ) ],
% 0.76/1.13     [ ~( member( X, first( Y ) ) ), =( Y, 'ordered_pair'( f4( X, Y ), f5( X
% 0.76/1.13    , Y ) ) ) ],
% 0.76/1.13     [ ~( member( X, first( Y ) ) ), member( X, f4( X, Y ) ) ],
% 0.76/1.13     [ member( X, first( Y ) ), ~( 'little_set'( Z ) ), ~( 'little_set'( T )
% 0.76/1.13     ), ~( =( Y, 'ordered_pair'( Z, T ) ) ), ~( member( X, Z ) ) ],
% 0.76/1.13     [ ~( member( X, second( Y ) ) ), 'little_set'( f6( X, Y ) ) ],
% 0.76/1.13     [ ~( member( X, second( Y ) ) ), 'little_set'( f7( X, Y ) ) ],
% 0.76/1.13     [ ~( member( X, second( Y ) ) ), =( Y, 'ordered_pair'( f6( X, Y ), f7( X
% 0.76/1.13    , Y ) ) ) ],
% 0.76/1.13     [ ~( member( X, second( Y ) ) ), member( X, f7( X, Y ) ) ],
% 0.76/1.13     [ member( X, second( Y ) ), ~( 'little_set'( Z ) ), ~( 'little_set'( T )
% 0.76/1.13     ), ~( =( Y, 'ordered_pair'( Z, T ) ) ), ~( member( X, T ) ) ],
% 0.76/1.13     [ ~( member( X, estin ) ), 'ordered_pair_predicate'( X ) ],
% 0.76/1.13     [ ~( member( X, estin ) ), member( first( X ), second( X ) ) ],
% 0.76/1.13     [ member( X, estin ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    'ordered_pair_predicate'( X ) ), ~( member( first( X ), second( X ) ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ],
% 0.76/1.13     [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ],
% 0.76/1.13     [ member( X, intersection( Y, Z ) ), ~( member( X, Y ) ), ~( member( X, 
% 0.76/1.13    Z ) ) ],
% 0.76/1.13     [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ],
% 0.76/1.13     [ member( X, complement( Y ) ), ~( 'little_set'( X ) ), member( X, Y ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ =( union( X, Y ), complement( intersection( complement( X ), 
% 0.76/1.13    complement( Y ) ) ) ) ],
% 0.76/1.13     [ ~( member( X, 'domain_of'( Y ) ) ), 'ordered_pair_predicate'( f8( X, Y
% 0.76/1.13     ) ) ],
% 0.76/1.13     [ ~( member( X, 'domain_of'( Y ) ) ), member( f8( X, Y ), Y ) ],
% 0.76/1.13     [ ~( member( X, 'domain_of'( Y ) ) ), =( X, first( f8( X, Y ) ) ) ],
% 0.76/1.13     [ member( X, 'domain_of'( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    'ordered_pair_predicate'( Z ) ), ~( member( Z, Y ) ), ~( =( X, first( Z )
% 0.76/1.13     ) ) ],
% 0.76/1.13     [ ~( member( X, 'cross_product'( Y, Z ) ) ), 'ordered_pair_predicate'( X
% 0.76/1.13     ) ],
% 0.76/1.13     [ ~( member( X, 'cross_product'( Y, Z ) ) ), member( first( X ), Y ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, 'cross_product'( Y, Z ) ) ), member( second( X ), Z ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ member( X, 'cross_product'( Y, Z ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    'ordered_pair_predicate'( X ) ), ~( member( first( X ), Y ) ), ~( member( 
% 0.76/1.13    second( X ), Z ) ) ],
% 0.76/1.13     [ ~( member( X, converse( Y ) ) ), 'ordered_pair_predicate'( X ) ],
% 0.76/1.13     [ ~( member( X, converse( Y ) ) ), member( 'ordered_pair'( second( X ), 
% 0.76/1.13    first( X ) ), Y ) ],
% 0.76/1.13     [ member( X, converse( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    'ordered_pair_predicate'( X ) ), ~( member( 'ordered_pair'( second( X ), 
% 0.76/1.13    first( X ) ), Y ) ) ],
% 0.76/1.13     [ ~( member( X, 'rotate_right'( Y ) ) ), 'little_set'( f9( X, Y ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, 'rotate_right'( Y ) ) ), 'little_set'( f10( X, Y ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, 'rotate_right'( Y ) ) ), 'little_set'( f11( X, Y ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, 'rotate_right'( Y ) ) ), =( X, 'ordered_pair'( f9( X, Y
% 0.76/1.13     ), 'ordered_pair'( f10( X, Y ), f11( X, Y ) ) ) ) ],
% 0.76/1.13     [ ~( member( X, 'rotate_right'( Y ) ) ), member( 'ordered_pair'( f10( X
% 0.76/1.13    , Y ), 'ordered_pair'( f11( X, Y ), f9( X, Y ) ) ), Y ) ],
% 0.76/1.13     [ member( X, 'rotate_right'( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    'little_set'( Z ) ), ~( 'little_set'( T ) ), ~( 'little_set'( U ) ), ~( 
% 0.76/1.13    =( X, 'ordered_pair'( Z, 'ordered_pair'( T, U ) ) ) ), ~( member( 
% 0.76/1.13    'ordered_pair'( T, 'ordered_pair'( U, Z ) ), Y ) ) ],
% 0.76/1.13     [ ~( member( X, 'flip_range_of'( Y ) ) ), 'little_set'( f12( X, Y ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, 'flip_range_of'( Y ) ) ), 'little_set'( f13( X, Y ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, 'flip_range_of'( Y ) ) ), 'little_set'( f14( X, Y ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, 'flip_range_of'( Y ) ) ), =( X, 'ordered_pair'( f12( X, 
% 0.76/1.13    Y ), 'ordered_pair'( f13( X, Y ), f14( X, Y ) ) ) ) ],
% 0.76/1.13     [ ~( member( X, 'flip_range_of'( Y ) ) ), member( 'ordered_pair'( f12( X
% 0.76/1.13    , Y ), 'ordered_pair'( f14( X, Y ), f13( X, Y ) ) ), Y ) ],
% 0.76/1.13     [ member( X, 'flip_range_of'( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    'little_set'( Z ) ), ~( 'little_set'( T ) ), ~( 'little_set'( U ) ), ~( 
% 0.76/1.13    =( X, 'ordered_pair'( Z, 'ordered_pair'( T, U ) ) ) ), ~( member( 
% 0.76/1.13    'ordered_pair'( Z, 'ordered_pair'( U, T ) ), Y ) ) ],
% 0.76/1.13     [ =( successor( X ), union( X, 'singleton_set'( X ) ) ) ],
% 0.76/1.13     [ ~( member( X, 'empty_set' ) ) ],
% 0.76/1.13     [ member( X, 'universal_set' ), ~( 'little_set'( X ) ) ],
% 0.76/1.13     [ 'little_set'( infinity ) ],
% 0.76/1.13     [ member( 'empty_set', infinity ) ],
% 0.76/1.13     [ ~( member( X, infinity ) ), member( successor( X ), infinity ) ],
% 0.76/1.13     [ ~( member( X, sigma( Y ) ) ), member( f16( X, Y ), Y ) ],
% 0.76/1.13     [ ~( member( X, sigma( Y ) ) ), member( X, f16( X, Y ) ) ],
% 0.76/1.13     [ member( X, sigma( Y ) ), ~( member( Z, Y ) ), ~( member( X, Z ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( 'little_set'( X ) ), 'little_set'( sigma( X ) ) ],
% 0.76/1.13     [ ~( subset( X, Y ) ), ~( member( Z, X ) ), member( Z, Y ) ],
% 0.76/1.13     [ subset( X, Y ), member( f17( X, Y ), X ) ],
% 0.76/1.13     [ subset( X, Y ), ~( member( f17( X, Y ), Y ) ) ],
% 0.76/1.13     [ ~( 'proper_subset'( X, Y ) ), subset( X, Y ) ],
% 0.76/1.13     [ ~( 'proper_subset'( X, Y ) ), ~( =( X, Y ) ) ],
% 0.76/1.13     [ 'proper_subset'( X, Y ), ~( subset( X, Y ) ), =( X, Y ) ],
% 0.76/1.13     [ ~( member( X, powerset( Y ) ) ), subset( X, Y ) ],
% 0.76/1.13     [ member( X, powerset( Y ) ), ~( 'little_set'( X ) ), ~( subset( X, Y )
% 0.76/1.13     ) ],
% 0.76/1.13     [ ~( 'little_set'( X ) ), 'little_set'( powerset( X ) ) ],
% 0.76/1.13     [ ~( relation( X ) ), ~( member( Y, X ) ), 'ordered_pair_predicate'( Y )
% 0.76/1.13     ],
% 0.76/1.13     [ relation( X ), member( f18( X ), X ) ],
% 0.76/1.13     [ relation( X ), ~( 'ordered_pair_predicate'( f18( X ) ) ) ],
% 0.76/1.13     [ ~( 'single_valued_set'( X ) ), ~( 'little_set'( Y ) ), ~( 'little_set'( 
% 0.76/1.13    Z ) ), ~( 'little_set'( T ) ), ~( member( 'ordered_pair'( Y, Z ), X ) ), 
% 0.76/1.13    ~( member( 'ordered_pair'( Y, T ), X ) ), =( Z, T ) ],
% 0.76/1.13     [ 'single_valued_set'( X ), 'little_set'( f19( X ) ) ],
% 0.76/1.13     [ 'single_valued_set'( X ), 'little_set'( f20( X ) ) ],
% 0.76/1.13     [ 'single_valued_set'( X ), 'little_set'( f21( X ) ) ],
% 0.76/1.13     [ 'single_valued_set'( X ), member( 'ordered_pair'( f19( X ), f20( X ) )
% 0.76/1.13    , X ) ],
% 0.76/1.13     [ 'single_valued_set'( X ), member( 'ordered_pair'( f19( X ), f21( X ) )
% 0.76/1.13    , X ) ],
% 0.76/1.13     [ 'single_valued_set'( X ), ~( =( f20( X ), f21( X ) ) ) ],
% 0.76/1.13     [ ~( function( X ) ), relation( X ) ],
% 0.76/1.13     [ ~( function( X ) ), 'single_valued_set'( X ) ],
% 0.76/1.13     [ function( X ), ~( relation( X ) ), ~( 'single_valued_set'( X ) ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ ~( member( X, image( Y, Z ) ) ), 'ordered_pair_predicate'( f22( X, Y, 
% 0.76/1.13    Z ) ) ],
% 0.76/1.13     [ ~( member( X, image( Y, Z ) ) ), member( f22( X, Y, Z ), Z ) ],
% 0.76/1.13     [ ~( member( X, image( Y, Z ) ) ), member( first( f22( X, Y, Z ) ), Y )
% 0.76/1.13     ],
% 0.76/1.13     [ ~( member( X, image( Y, Z ) ) ), =( second( f22( X, Y, Z ) ), X ) ]
% 0.76/1.13    ,
% 0.76/1.13     [ member( X, image( Y, Z ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.13    'ordered_pair_predicate'( T ) ), ~( member( T, Z ) ), ~( member( first( T
% 0.76/1.13     ), Y ) ), ~( =( second( T ), X ) ) ],
% 0.76/1.13     [ ~( 'little_set'( X ) ), ~( function( Y ) ), 'little_set'( image( X, Y
% 0.76/1.13     ) ) ],
% 0.76/1.13     [ ~( disjoint( X, Y ) ), ~( member( Z, X ) ), ~( member( Z, Y ) ) ],
% 0.76/1.14     [ disjoint( X, Y ), member( f23( X, Y ), X ) ],
% 0.76/1.14     [ disjoint( X, Y ), member( f23( X, Y ), Y ) ],
% 0.76/1.14     [ =( X, 'empty_set' ), member( f24( X ), X ) ],
% 0.76/1.14     [ =( X, 'empty_set' ), disjoint( f24( X ), X ) ],
% 0.76/1.14     [ function( f25 ) ],
% 0.76/1.14     [ ~( 'little_set'( X ) ), =( X, 'empty_set' ), member( f26( X ), X ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ ~( 'little_set'( X ) ), =( X, 'empty_set' ), member( 'ordered_pair'( X
% 0.76/1.14    , f26( X ) ), f25 ) ],
% 0.76/1.14     [ ~( member( X, 'range_of'( Y ) ) ), 'ordered_pair_predicate'( f27( X, Y
% 0.76/1.14     ) ) ],
% 0.76/1.14     [ ~( member( X, 'range_of'( Y ) ) ), member( f27( X, Y ), Y ) ],
% 0.76/1.14     [ ~( member( X, 'range_of'( Y ) ) ), =( X, second( f27( X, Y ) ) ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ member( X, 'range_of'( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.14    'ordered_pair_predicate'( Z ) ), ~( member( Z, Y ) ), ~( =( X, second( Z
% 0.76/1.14     ) ) ) ],
% 0.76/1.14     [ ~( member( X, 'identity_relation' ) ), 'ordered_pair_predicate'( X ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ ~( member( X, 'identity_relation' ) ), =( first( X ), second( X ) ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ member( X, 'identity_relation' ), ~( 'little_set'( X ) ), ~( 
% 0.76/1.14    'ordered_pair_predicate'( X ) ), ~( =( first( X ), second( X ) ) ) ],
% 0.76/1.14     [ =( restrict( X, Y ), intersection( X, 'cross_product'( Y, 
% 0.76/1.14    'universal_set' ) ) ) ],
% 0.76/1.14     [ ~( 'one_to_one_function'( X ) ), function( X ) ],
% 0.76/1.14     [ ~( 'one_to_one_function'( X ) ), function( converse( X ) ) ],
% 0.76/1.14     [ 'one_to_one_function'( X ), ~( function( X ) ), ~( function( converse( 
% 0.76/1.14    X ) ) ) ],
% 0.76/1.14     [ ~( member( X, apply( Y, Z ) ) ), 'ordered_pair_predicate'( f28( X, Y, 
% 0.76/1.14    Z ) ) ],
% 0.76/1.14     [ ~( member( X, apply( Y, Z ) ) ), member( f28( X, Y, Z ), Y ) ],
% 0.76/1.14     [ ~( member( X, apply( Y, Z ) ) ), =( first( f28( X, Y, Z ) ), Z ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ ~( member( X, apply( Y, Z ) ) ), member( X, second( f28( X, Y, Z ) ) )
% 0.76/1.14     ],
% 0.76/1.14     [ member( X, apply( Y, Z ) ), ~( 'ordered_pair_predicate'( T ) ), ~( 
% 0.76/1.14    member( T, Y ) ), ~( =( first( T ), Z ) ), ~( member( X, second( T ) ) )
% 0.76/1.14     ],
% 0.76/1.14     [ =( 'apply_to_two_arguments'( X, Y, Z ), apply( X, 'ordered_pair'( Y, Z
% 0.76/1.14     ) ) ) ],
% 0.76/1.14     [ ~( maps( X, Y, Z ) ), function( X ) ],
% 0.76/1.14     [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ],
% 0.76/1.14     [ ~( maps( X, Y, Z ) ), subset( 'range_of'( X ), Z ) ],
% 0.76/1.14     [ maps( X, Y, Z ), ~( function( X ) ), ~( =( 'domain_of'( X ), Y ) ), 
% 0.76/1.14    ~( subset( 'range_of'( X ), Z ) ) ],
% 0.76/1.14     [ ~( closed( X, Y ) ), 'little_set'( X ) ],
% 0.76/1.14     [ ~( closed( X, Y ) ), 'little_set'( Y ) ],
% 0.76/1.14     [ ~( closed( X, Y ) ), maps( Y, 'cross_product'( X, X ), X ) ],
% 0.76/1.14     [ closed( X, Y ), ~( 'little_set'( X ) ), ~( 'little_set'( Y ) ), ~( 
% 0.76/1.14    maps( Y, 'cross_product'( X, X ), X ) ) ],
% 0.76/1.14     [ ~( member( X, compose( Y, Z ) ) ), 'little_set'( f29( X, Y, Z ) ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ ~( member( X, compose( Y, Z ) ) ), 'little_set'( f30( X, Y, Z ) ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ ~( member( X, compose( Y, Z ) ) ), 'little_set'( f31( X, Y, Z ) ) ]
% 0.76/1.14    ,
% 0.76/1.14     [ ~( member( X, compose( Y, Z ) ) ), =( X, 'ordered_pair'( f29( X, Y, Z
% 0.76/1.14     ), f30( X, Y, Z ) ) ) ],
% 0.76/1.14     [ ~( member( X, compose( Y, Z ) ) ), member( 'ordered_pair'( f29( X, Y, 
% 0.76/1.14    Z ), f31( X, Y, Z ) ), Y ) ],
% 0.76/1.14     [ ~( member( X, compose( Y, Z ) ) ), member( 'ordered_pair'( f31( X, Y, 
% 0.76/1.14    Z ), f30( X, Y, Z ) ), Z ) ],
% 0.76/1.14     [ member( X, compose( Y, Z ) ), ~( 'little_set'( X ) ), ~( 'little_set'( 
% 0.76/1.14    T ) ), ~( 'little_set'( U ) ), ~( 'little_set'( W ) ), ~( =( X, 
% 0.76/1.14    'ordered_pair'( T, U ) ) ), ~( member( 'ordered_pair'( T, W ), Y ) ), ~( 
% 0.76/1.14    member( 'ordered_pair'( W, U ), Z ) ) ],
% 0.76/1.14     [ ~( homomorphism( X, Y, Z, T, U ) ), closed( Y, Z ) ],
% 0.76/1.14     [ ~( homomorphism( X, Y, Z, T, U ) ), closed( T, U ) ],
% 0.76/1.14     [ ~( homomorphism( X, Y, Z, T, U ) ), maps( X, Y, T ) ],
% 0.76/1.14     [ ~( homomorphism( X, Y, Z, T, U ) ), ~( member( W, Y ) ), ~( member( V0
% 0.76/1.14    , Y ) ), =( apply( X, 'apply_to_two_arguments'( Z, W, V0 ) ), 
% 0.76/1.14    'apply_to_two_arguments'( U, apply( X, W ), apply( X, V0 ) ) ) ],
% 0.76/1.14     [ homomorphism( X, Y, Z, T, U ), ~( closed( Y, Z ) ), ~( closed( T, U )
% 0.76/1.14     ), ~( maps( X, Y, T ) ), member( f32( X, Y, Z, T, U ), Y ) ],
% 0.76/1.14     [ homomorphism( X, Y, Z, T, U ), ~( closed( Y, Z ) ), ~( closed( T, U )
% 0.76/1.14     ), ~( maps( X, Y, T ) ), member( f33( X, Y, Z, T, U ), Y ) ],
% 0.76/1.14     [ homomorphism( X, Y, Z, T, U ), ~( closed( Y, Z ) ), ~( closed( T, U )
% 0.80/1.16     ), ~( maps( X, Y, T ) ), ~( =( apply( X, 'apply_to_two_arguments'( Z, 
% 0.80/1.16    f32( X, Y, Z, T, U ), f33( X, Y, Z, T, U ) ) ), 'apply_to_two_arguments'( 
% 0.80/1.16    U, apply( X, f32( X, Y, Z, T, U ) ), apply( X, f33( X, Y, Z, T, U ) ) ) )
% 0.80/1.16     ) ],
% 0.80/1.16     [ 'ordered_pair_predicate'( a ) ],
% 0.80/1.16     [ ~( 'little_set'( a ) ) ]
% 0.80/1.16  ] .
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  percentage equality = 0.131653, percentage horn = 0.860140
% 0.80/1.16  This is a problem with some equality
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  Options Used:
% 0.80/1.16  
% 0.80/1.16  useres =            1
% 0.80/1.16  useparamod =        1
% 0.80/1.16  useeqrefl =         1
% 0.80/1.16  useeqfact =         1
% 0.80/1.16  usefactor =         1
% 0.80/1.16  usesimpsplitting =  0
% 0.80/1.16  usesimpdemod =      5
% 0.80/1.16  usesimpres =        3
% 0.80/1.16  
% 0.80/1.16  resimpinuse      =  1000
% 0.80/1.16  resimpclauses =     20000
% 0.80/1.16  substype =          eqrewr
% 0.80/1.16  backwardsubs =      1
% 0.80/1.16  selectoldest =      5
% 0.80/1.16  
% 0.80/1.16  litorderings [0] =  split
% 0.80/1.16  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.80/1.16  
% 0.80/1.16  termordering =      kbo
% 0.80/1.16  
% 0.80/1.16  litapriori =        0
% 0.80/1.16  termapriori =       1
% 0.80/1.16  litaposteriori =    0
% 0.80/1.16  termaposteriori =   0
% 0.80/1.16  demodaposteriori =  0
% 0.80/1.16  ordereqreflfact =   0
% 0.80/1.16  
% 0.80/1.16  litselect =         negord
% 0.80/1.16  
% 0.80/1.16  maxweight =         15
% 0.80/1.16  maxdepth =          30000
% 0.80/1.16  maxlength =         115
% 0.80/1.16  maxnrvars =         195
% 0.80/1.16  excuselevel =       1
% 0.80/1.16  increasemaxweight = 1
% 0.80/1.16  
% 0.80/1.16  maxselected =       10000000
% 0.80/1.16  maxnrclauses =      10000000
% 0.80/1.16  
% 0.80/1.16  showgenerated =    0
% 0.80/1.16  showkept =         0
% 0.80/1.16  showselected =     0
% 0.80/1.16  showdeleted =      0
% 0.80/1.16  showresimp =       1
% 0.80/1.16  showstatus =       2000
% 0.80/1.16  
% 0.80/1.16  prologoutput =     1
% 0.80/1.16  nrgoals =          5000000
% 0.80/1.16  totalproof =       1
% 0.80/1.16  
% 0.80/1.16  Symbols occurring in the translation:
% 0.80/1.16  
% 0.80/1.16  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.80/1.16  .  [1, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 0.80/1.16  !  [4, 1]      (w:0, o:31, a:1, s:1, b:0), 
% 0.80/1.16  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.80/1.16  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.80/1.16  member  [41, 2]      (w:1, o:87, a:1, s:1, b:0), 
% 0.80/1.16  'little_set'  [42, 1]      (w:1, o:36, a:1, s:1, b:0), 
% 0.80/1.16  f1  [43, 2]      (w:1, o:88, a:1, s:1, b:0), 
% 0.80/1.16  'non_ordered_pair'  [45, 2]      (w:1, o:89, a:1, s:1, b:0), 
% 0.80/1.16  'singleton_set'  [46, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 0.80/1.16  'ordered_pair'  [47, 2]      (w:1, o:90, a:1, s:1, b:0), 
% 0.80/1.16  'ordered_pair_predicate'  [48, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 0.80/1.16  f2  [49, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 0.80/1.16  f3  [50, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 0.80/1.16  first  [52, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 0.80/1.16  f4  [53, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 0.80/1.16  f5  [54, 2]      (w:1, o:92, a:1, s:1, b:0), 
% 0.80/1.16  second  [56, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 0.80/1.16  f6  [57, 2]      (w:1, o:93, a:1, s:1, b:0), 
% 0.80/1.16  f7  [58, 2]      (w:1, o:94, a:1, s:1, b:0), 
% 0.80/1.16  estin  [59, 0]      (w:1, o:24, a:1, s:1, b:0), 
% 0.80/1.16  intersection  [60, 2]      (w:1, o:96, a:1, s:1, b:0), 
% 0.80/1.16  complement  [61, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 0.80/1.16  union  [62, 2]      (w:1, o:97, a:1, s:1, b:0), 
% 0.80/1.16  'domain_of'  [63, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 0.80/1.16  f8  [64, 2]      (w:1, o:98, a:1, s:1, b:0), 
% 0.80/1.16  'cross_product'  [66, 2]      (w:1, o:99, a:1, s:1, b:0), 
% 0.80/1.16  converse  [67, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 0.80/1.16  'rotate_right'  [68, 1]      (w:1, o:37, a:1, s:1, b:0), 
% 0.80/1.16  f9  [69, 2]      (w:1, o:100, a:1, s:1, b:0), 
% 0.80/1.16  f10  [70, 2]      (w:1, o:101, a:1, s:1, b:0), 
% 0.80/1.16  f11  [71, 2]      (w:1, o:102, a:1, s:1, b:0), 
% 0.80/1.16  'flip_range_of'  [73, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 0.80/1.16  f12  [74, 2]      (w:1, o:103, a:1, s:1, b:0), 
% 0.80/1.16  f13  [75, 2]      (w:1, o:104, a:1, s:1, b:0), 
% 0.80/1.16  f14  [76, 2]      (w:1, o:105, a:1, s:1, b:0), 
% 0.80/1.16  successor  [77, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 0.80/1.16  'empty_set'  [78, 0]      (w:1, o:25, a:1, s:1, b:0), 
% 0.80/1.16  'universal_set'  [79, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 0.80/1.16  infinity  [80, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 0.80/1.16  sigma  [81, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 0.80/1.16  f16  [82, 2]      (w:1, o:106, a:1, s:1, b:0), 
% 0.80/1.16  subset  [83, 2]      (w:1, o:108, a:1, s:1, b:0), 
% 0.80/1.16  f17  [84, 2]      (w:1, o:109, a:1, s:1, b:0), 
% 0.80/1.16  'proper_subset'  [85, 2]      (w:1, o:110, a:1, s:1, b:0), 
% 0.80/1.16  powerset  [86, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 0.80/1.16  relation  [87, 1]      (w:1, o:38, a:1, s:1, b:0), 
% 0.80/1.16  f18  [88, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 0.80/1.16  'single_valued_set'  [89, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 0.80/1.16  f19  [90, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 0.80/1.16  f20  [91, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 0.80/1.16  f21  [92, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 0.80/1.16  function  [94, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 0.80/1.16  image  [95, 2]      (w:1, o:95, a:1, s:1, b:0), 
% 0.80/1.16  f22  [96, 3]      (w:1, o:117, a:1, s:1, b:0), 
% 0.80/1.16  disjoint  [97, 2]      (w:1, o:113, a:1, s:1, b:0), 
% 0.80/1.16  f23  [98, 2]      (w:1, o:114, a:1, s:1, b:0), 
% 0.80/1.16  f24  [99, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 0.80/1.16  f25  [100, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 0.80/1.16  f26  [101, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 0.80/1.16  'range_of'  [102, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 0.80/1.16  f27  [103, 2]      (w:1, o:115, a:1, s:1, b:0), 
% 0.80/1.16  'identity_relation'  [104, 0]      (w:1, o:29, a:1, s:1, b:0), 
% 0.80/1.16  restrict  [105, 2]      (w:1, o:107, a:1, s:1, b:0), 
% 0.80/1.16  'one_to_one_function'  [106, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 0.80/1.16  apply  [107, 2]      (w:1, o:116, a:1, s:1, b:0), 
% 0.80/1.16  f28  [108, 3]      (w:1, o:118, a:1, s:1, b:0), 
% 0.80/1.16  'apply_to_two_arguments'  [109, 3]      (w:1, o:119, a:1, s:1, b:0), 
% 0.80/1.16  maps  [110, 3]      (w:1, o:120, a:1, s:1, b:0), 
% 0.80/1.16  closed  [112, 2]      (w:1, o:111, a:1, s:1, b:0), 
% 0.80/1.16  compose  [114, 2]      (w:1, o:112, a:1, s:1, b:0), 
% 0.80/1.16  f29  [115, 3]      (w:1, o:121, a:1, s:1, b:0), 
% 0.80/1.16  f30  [116, 3]      (w:1, o:122, a:1, s:1, b:0), 
% 0.80/1.16  f31  [117, 3]      (w:1, o:123, a:1, s:1, b:0), 
% 0.80/1.16  homomorphism  [123, 5]      (w:1, o:124, a:1, s:1, b:0), 
% 0.80/1.16  f32  [124, 5]      (w:1, o:125, a:1, s:1, b:0), 
% 0.80/1.16  f33  [125, 5]      (w:1, o:126, a:1, s:1, b:0), 
% 0.80/1.16  a  [126, 0]      (w:1, o:30, a:1, s:1, b:0).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  Starting Search:
% 0.80/1.16  
% 0.80/1.16  Resimplifying inuse:
% 0.80/1.16  Done
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  Bliksems!, er is een bewijs:
% 0.80/1.16  % SZS status Unsatisfiable
% 0.80/1.16  % SZS output start Refutation
% 0.80/1.16  
% 0.80/1.16  clause( 7, [ 'little_set'( 'non_ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  .
% 0.80/1.16  clause( 9, [ =( 'non_ordered_pair'( 'singleton_set'( X ), 
% 0.80/1.16    'non_ordered_pair'( X, Y ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  .
% 0.80/1.16  clause( 12, [ ~( 'ordered_pair_predicate'( X ) ), =( 'ordered_pair'( f2( X
% 0.80/1.16     ), f3( X ) ), X ) ] )
% 0.80/1.16  .
% 0.80/1.16  clause( 141, [ 'ordered_pair_predicate'( a ) ] )
% 0.80/1.16  .
% 0.80/1.16  clause( 142, [ ~( 'little_set'( a ) ) ] )
% 0.80/1.16  .
% 0.80/1.16  clause( 709, [ 'little_set'( 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  .
% 0.80/1.16  clause( 944, [ 'little_set'( X ), ~( 'ordered_pair_predicate'( X ) ) ] )
% 0.80/1.16  .
% 0.80/1.16  clause( 1010, [] )
% 0.80/1.16  .
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  % SZS output end Refutation
% 0.80/1.16  found a proof!
% 0.80/1.16  
% 0.80/1.16  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.80/1.16  
% 0.80/1.16  initialclauses(
% 0.80/1.16  [ clause( 1012, [ ~( member( X, Y ) ), 'little_set'( X ) ] )
% 0.80/1.16  , clause( 1013, [ 'little_set'( f1( X, Y ) ), =( X, Y ) ] )
% 0.80/1.16  , clause( 1014, [ member( f1( X, Y ), X ), member( f1( X, Y ), Y ), =( X, Y
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1015, [ ~( member( f1( X, Y ), X ) ), ~( member( f1( X, Y ), Y )
% 0.80/1.16     ), =( X, Y ) ] )
% 0.80/1.16  , clause( 1016, [ ~( member( X, 'non_ordered_pair'( Y, Z ) ) ), =( X, Y ), 
% 0.80/1.16    =( X, Z ) ] )
% 0.80/1.16  , clause( 1017, [ member( X, 'non_ordered_pair'( Y, Z ) ), ~( 'little_set'( 
% 0.80/1.16    X ) ), ~( =( X, Y ) ) ] )
% 0.80/1.16  , clause( 1018, [ member( X, 'non_ordered_pair'( Y, Z ) ), ~( 'little_set'( 
% 0.80/1.16    X ) ), ~( =( X, Z ) ) ] )
% 0.80/1.16  , clause( 1019, [ 'little_set'( 'non_ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , clause( 1020, [ =( 'singleton_set'( X ), 'non_ordered_pair'( X, X ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1021, [ =( 'ordered_pair'( X, Y ), 'non_ordered_pair'( 
% 0.80/1.16    'singleton_set'( X ), 'non_ordered_pair'( X, Y ) ) ) ] )
% 0.80/1.16  , clause( 1022, [ ~( 'ordered_pair_predicate'( X ) ), 'little_set'( f2( X )
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1023, [ ~( 'ordered_pair_predicate'( X ) ), 'little_set'( f3( X )
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1024, [ ~( 'ordered_pair_predicate'( X ) ), =( X, 'ordered_pair'( 
% 0.80/1.16    f2( X ), f3( X ) ) ) ] )
% 0.80/1.16  , clause( 1025, [ 'ordered_pair_predicate'( X ), ~( 'little_set'( Y ) ), 
% 0.80/1.16    ~( 'little_set'( Z ) ), ~( =( X, 'ordered_pair'( Y, Z ) ) ) ] )
% 0.80/1.16  , clause( 1026, [ ~( member( X, first( Y ) ) ), 'little_set'( f4( X, Y ) )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1027, [ ~( member( X, first( Y ) ) ), 'little_set'( f5( X, Y ) )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1028, [ ~( member( X, first( Y ) ) ), =( Y, 'ordered_pair'( f4( X
% 0.80/1.16    , Y ), f5( X, Y ) ) ) ] )
% 0.80/1.16  , clause( 1029, [ ~( member( X, first( Y ) ) ), member( X, f4( X, Y ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1030, [ member( X, first( Y ) ), ~( 'little_set'( Z ) ), ~( 
% 0.80/1.16    'little_set'( T ) ), ~( =( Y, 'ordered_pair'( Z, T ) ) ), ~( member( X, Z
% 0.80/1.16     ) ) ] )
% 0.80/1.16  , clause( 1031, [ ~( member( X, second( Y ) ) ), 'little_set'( f6( X, Y ) )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1032, [ ~( member( X, second( Y ) ) ), 'little_set'( f7( X, Y ) )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1033, [ ~( member( X, second( Y ) ) ), =( Y, 'ordered_pair'( f6( 
% 0.80/1.16    X, Y ), f7( X, Y ) ) ) ] )
% 0.80/1.16  , clause( 1034, [ ~( member( X, second( Y ) ) ), member( X, f7( X, Y ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1035, [ member( X, second( Y ) ), ~( 'little_set'( Z ) ), ~( 
% 0.80/1.16    'little_set'( T ) ), ~( =( Y, 'ordered_pair'( Z, T ) ) ), ~( member( X, T
% 0.80/1.16     ) ) ] )
% 0.80/1.16  , clause( 1036, [ ~( member( X, estin ) ), 'ordered_pair_predicate'( X ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1037, [ ~( member( X, estin ) ), member( first( X ), second( X )
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1038, [ member( X, estin ), ~( 'little_set'( X ) ), ~( 
% 0.80/1.16    'ordered_pair_predicate'( X ) ), ~( member( first( X ), second( X ) ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1039, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Y ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1040, [ ~( member( X, intersection( Y, Z ) ) ), member( X, Z ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1041, [ member( X, intersection( Y, Z ) ), ~( member( X, Y ) ), 
% 0.80/1.16    ~( member( X, Z ) ) ] )
% 0.80/1.16  , clause( 1042, [ ~( member( X, complement( Y ) ) ), ~( member( X, Y ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1043, [ member( X, complement( Y ) ), ~( 'little_set'( X ) ), 
% 0.80/1.16    member( X, Y ) ] )
% 0.80/1.16  , clause( 1044, [ =( union( X, Y ), complement( intersection( complement( X
% 0.80/1.16     ), complement( Y ) ) ) ) ] )
% 0.80/1.16  , clause( 1045, [ ~( member( X, 'domain_of'( Y ) ) ), 
% 0.80/1.16    'ordered_pair_predicate'( f8( X, Y ) ) ] )
% 0.80/1.16  , clause( 1046, [ ~( member( X, 'domain_of'( Y ) ) ), member( f8( X, Y ), Y
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1047, [ ~( member( X, 'domain_of'( Y ) ) ), =( X, first( f8( X, Y
% 0.80/1.16     ) ) ) ] )
% 0.80/1.16  , clause( 1048, [ member( X, 'domain_of'( Y ) ), ~( 'little_set'( X ) ), 
% 0.80/1.16    ~( 'ordered_pair_predicate'( Z ) ), ~( member( Z, Y ) ), ~( =( X, first( 
% 0.80/1.16    Z ) ) ) ] )
% 0.80/1.16  , clause( 1049, [ ~( member( X, 'cross_product'( Y, Z ) ) ), 
% 0.80/1.16    'ordered_pair_predicate'( X ) ] )
% 0.80/1.16  , clause( 1050, [ ~( member( X, 'cross_product'( Y, Z ) ) ), member( first( 
% 0.80/1.16    X ), Y ) ] )
% 0.80/1.16  , clause( 1051, [ ~( member( X, 'cross_product'( Y, Z ) ) ), member( second( 
% 0.80/1.16    X ), Z ) ] )
% 0.80/1.16  , clause( 1052, [ member( X, 'cross_product'( Y, Z ) ), ~( 'little_set'( X
% 0.80/1.16     ) ), ~( 'ordered_pair_predicate'( X ) ), ~( member( first( X ), Y ) ), 
% 0.80/1.16    ~( member( second( X ), Z ) ) ] )
% 0.80/1.16  , clause( 1053, [ ~( member( X, converse( Y ) ) ), 'ordered_pair_predicate'( 
% 0.80/1.16    X ) ] )
% 0.80/1.16  , clause( 1054, [ ~( member( X, converse( Y ) ) ), member( 'ordered_pair'( 
% 0.80/1.16    second( X ), first( X ) ), Y ) ] )
% 0.80/1.16  , clause( 1055, [ member( X, converse( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.80/1.16    'ordered_pair_predicate'( X ) ), ~( member( 'ordered_pair'( second( X ), 
% 0.80/1.16    first( X ) ), Y ) ) ] )
% 0.80/1.16  , clause( 1056, [ ~( member( X, 'rotate_right'( Y ) ) ), 'little_set'( f9( 
% 0.80/1.16    X, Y ) ) ] )
% 0.80/1.16  , clause( 1057, [ ~( member( X, 'rotate_right'( Y ) ) ), 'little_set'( f10( 
% 0.80/1.16    X, Y ) ) ] )
% 0.80/1.16  , clause( 1058, [ ~( member( X, 'rotate_right'( Y ) ) ), 'little_set'( f11( 
% 0.80/1.16    X, Y ) ) ] )
% 0.80/1.16  , clause( 1059, [ ~( member( X, 'rotate_right'( Y ) ) ), =( X, 
% 0.80/1.16    'ordered_pair'( f9( X, Y ), 'ordered_pair'( f10( X, Y ), f11( X, Y ) ) )
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1060, [ ~( member( X, 'rotate_right'( Y ) ) ), member( 
% 0.80/1.16    'ordered_pair'( f10( X, Y ), 'ordered_pair'( f11( X, Y ), f9( X, Y ) ) )
% 0.80/1.16    , Y ) ] )
% 0.80/1.16  , clause( 1061, [ member( X, 'rotate_right'( Y ) ), ~( 'little_set'( X ) )
% 0.80/1.16    , ~( 'little_set'( Z ) ), ~( 'little_set'( T ) ), ~( 'little_set'( U ) )
% 0.80/1.16    , ~( =( X, 'ordered_pair'( Z, 'ordered_pair'( T, U ) ) ) ), ~( member( 
% 0.80/1.16    'ordered_pair'( T, 'ordered_pair'( U, Z ) ), Y ) ) ] )
% 0.80/1.16  , clause( 1062, [ ~( member( X, 'flip_range_of'( Y ) ) ), 'little_set'( f12( 
% 0.80/1.16    X, Y ) ) ] )
% 0.80/1.16  , clause( 1063, [ ~( member( X, 'flip_range_of'( Y ) ) ), 'little_set'( f13( 
% 0.80/1.16    X, Y ) ) ] )
% 0.80/1.16  , clause( 1064, [ ~( member( X, 'flip_range_of'( Y ) ) ), 'little_set'( f14( 
% 0.80/1.16    X, Y ) ) ] )
% 0.80/1.16  , clause( 1065, [ ~( member( X, 'flip_range_of'( Y ) ) ), =( X, 
% 0.80/1.16    'ordered_pair'( f12( X, Y ), 'ordered_pair'( f13( X, Y ), f14( X, Y ) ) )
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1066, [ ~( member( X, 'flip_range_of'( Y ) ) ), member( 
% 0.80/1.16    'ordered_pair'( f12( X, Y ), 'ordered_pair'( f14( X, Y ), f13( X, Y ) ) )
% 0.80/1.16    , Y ) ] )
% 0.80/1.16  , clause( 1067, [ member( X, 'flip_range_of'( Y ) ), ~( 'little_set'( X ) )
% 0.80/1.16    , ~( 'little_set'( Z ) ), ~( 'little_set'( T ) ), ~( 'little_set'( U ) )
% 0.80/1.16    , ~( =( X, 'ordered_pair'( Z, 'ordered_pair'( T, U ) ) ) ), ~( member( 
% 0.80/1.16    'ordered_pair'( Z, 'ordered_pair'( U, T ) ), Y ) ) ] )
% 0.80/1.16  , clause( 1068, [ =( successor( X ), union( X, 'singleton_set'( X ) ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1069, [ ~( member( X, 'empty_set' ) ) ] )
% 0.80/1.16  , clause( 1070, [ member( X, 'universal_set' ), ~( 'little_set'( X ) ) ] )
% 0.80/1.16  , clause( 1071, [ 'little_set'( infinity ) ] )
% 0.80/1.16  , clause( 1072, [ member( 'empty_set', infinity ) ] )
% 0.80/1.16  , clause( 1073, [ ~( member( X, infinity ) ), member( successor( X ), 
% 0.80/1.16    infinity ) ] )
% 0.80/1.16  , clause( 1074, [ ~( member( X, sigma( Y ) ) ), member( f16( X, Y ), Y ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1075, [ ~( member( X, sigma( Y ) ) ), member( X, f16( X, Y ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1076, [ member( X, sigma( Y ) ), ~( member( Z, Y ) ), ~( member( 
% 0.80/1.16    X, Z ) ) ] )
% 0.80/1.16  , clause( 1077, [ ~( 'little_set'( X ) ), 'little_set'( sigma( X ) ) ] )
% 0.80/1.16  , clause( 1078, [ ~( subset( X, Y ) ), ~( member( Z, X ) ), member( Z, Y )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1079, [ subset( X, Y ), member( f17( X, Y ), X ) ] )
% 0.80/1.16  , clause( 1080, [ subset( X, Y ), ~( member( f17( X, Y ), Y ) ) ] )
% 0.80/1.16  , clause( 1081, [ ~( 'proper_subset'( X, Y ) ), subset( X, Y ) ] )
% 0.80/1.16  , clause( 1082, [ ~( 'proper_subset'( X, Y ) ), ~( =( X, Y ) ) ] )
% 0.80/1.16  , clause( 1083, [ 'proper_subset'( X, Y ), ~( subset( X, Y ) ), =( X, Y ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1084, [ ~( member( X, powerset( Y ) ) ), subset( X, Y ) ] )
% 0.80/1.16  , clause( 1085, [ member( X, powerset( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.80/1.16    subset( X, Y ) ) ] )
% 0.80/1.16  , clause( 1086, [ ~( 'little_set'( X ) ), 'little_set'( powerset( X ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1087, [ ~( relation( X ) ), ~( member( Y, X ) ), 
% 0.80/1.16    'ordered_pair_predicate'( Y ) ] )
% 0.80/1.16  , clause( 1088, [ relation( X ), member( f18( X ), X ) ] )
% 0.80/1.16  , clause( 1089, [ relation( X ), ~( 'ordered_pair_predicate'( f18( X ) ) )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1090, [ ~( 'single_valued_set'( X ) ), ~( 'little_set'( Y ) ), 
% 0.80/1.16    ~( 'little_set'( Z ) ), ~( 'little_set'( T ) ), ~( member( 'ordered_pair'( 
% 0.80/1.16    Y, Z ), X ) ), ~( member( 'ordered_pair'( Y, T ), X ) ), =( Z, T ) ] )
% 0.80/1.16  , clause( 1091, [ 'single_valued_set'( X ), 'little_set'( f19( X ) ) ] )
% 0.80/1.16  , clause( 1092, [ 'single_valued_set'( X ), 'little_set'( f20( X ) ) ] )
% 0.80/1.16  , clause( 1093, [ 'single_valued_set'( X ), 'little_set'( f21( X ) ) ] )
% 0.80/1.16  , clause( 1094, [ 'single_valued_set'( X ), member( 'ordered_pair'( f19( X
% 0.80/1.16     ), f20( X ) ), X ) ] )
% 0.80/1.16  , clause( 1095, [ 'single_valued_set'( X ), member( 'ordered_pair'( f19( X
% 0.80/1.16     ), f21( X ) ), X ) ] )
% 0.80/1.16  , clause( 1096, [ 'single_valued_set'( X ), ~( =( f20( X ), f21( X ) ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1097, [ ~( function( X ) ), relation( X ) ] )
% 0.80/1.16  , clause( 1098, [ ~( function( X ) ), 'single_valued_set'( X ) ] )
% 0.80/1.16  , clause( 1099, [ function( X ), ~( relation( X ) ), ~( 'single_valued_set'( 
% 0.80/1.16    X ) ) ] )
% 0.80/1.16  , clause( 1100, [ ~( member( X, image( Y, Z ) ) ), 'ordered_pair_predicate'( 
% 0.80/1.16    f22( X, Y, Z ) ) ] )
% 0.80/1.16  , clause( 1101, [ ~( member( X, image( Y, Z ) ) ), member( f22( X, Y, Z ), 
% 0.80/1.16    Z ) ] )
% 0.80/1.16  , clause( 1102, [ ~( member( X, image( Y, Z ) ) ), member( first( f22( X, Y
% 0.80/1.16    , Z ) ), Y ) ] )
% 0.80/1.16  , clause( 1103, [ ~( member( X, image( Y, Z ) ) ), =( second( f22( X, Y, Z
% 0.80/1.16     ) ), X ) ] )
% 0.80/1.16  , clause( 1104, [ member( X, image( Y, Z ) ), ~( 'little_set'( X ) ), ~( 
% 0.80/1.16    'ordered_pair_predicate'( T ) ), ~( member( T, Z ) ), ~( member( first( T
% 0.80/1.16     ), Y ) ), ~( =( second( T ), X ) ) ] )
% 0.80/1.16  , clause( 1105, [ ~( 'little_set'( X ) ), ~( function( Y ) ), 'little_set'( 
% 0.80/1.16    image( X, Y ) ) ] )
% 0.80/1.16  , clause( 1106, [ ~( disjoint( X, Y ) ), ~( member( Z, X ) ), ~( member( Z
% 0.80/1.16    , Y ) ) ] )
% 0.80/1.16  , clause( 1107, [ disjoint( X, Y ), member( f23( X, Y ), X ) ] )
% 0.80/1.16  , clause( 1108, [ disjoint( X, Y ), member( f23( X, Y ), Y ) ] )
% 0.80/1.16  , clause( 1109, [ =( X, 'empty_set' ), member( f24( X ), X ) ] )
% 0.80/1.16  , clause( 1110, [ =( X, 'empty_set' ), disjoint( f24( X ), X ) ] )
% 0.80/1.16  , clause( 1111, [ function( f25 ) ] )
% 0.80/1.16  , clause( 1112, [ ~( 'little_set'( X ) ), =( X, 'empty_set' ), member( f26( 
% 0.80/1.16    X ), X ) ] )
% 0.80/1.16  , clause( 1113, [ ~( 'little_set'( X ) ), =( X, 'empty_set' ), member( 
% 0.80/1.16    'ordered_pair'( X, f26( X ) ), f25 ) ] )
% 0.80/1.16  , clause( 1114, [ ~( member( X, 'range_of'( Y ) ) ), 
% 0.80/1.16    'ordered_pair_predicate'( f27( X, Y ) ) ] )
% 0.80/1.16  , clause( 1115, [ ~( member( X, 'range_of'( Y ) ) ), member( f27( X, Y ), Y
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1116, [ ~( member( X, 'range_of'( Y ) ) ), =( X, second( f27( X, 
% 0.80/1.16    Y ) ) ) ] )
% 0.80/1.16  , clause( 1117, [ member( X, 'range_of'( Y ) ), ~( 'little_set'( X ) ), ~( 
% 0.80/1.16    'ordered_pair_predicate'( Z ) ), ~( member( Z, Y ) ), ~( =( X, second( Z
% 0.80/1.16     ) ) ) ] )
% 0.80/1.16  , clause( 1118, [ ~( member( X, 'identity_relation' ) ), 
% 0.80/1.16    'ordered_pair_predicate'( X ) ] )
% 0.80/1.16  , clause( 1119, [ ~( member( X, 'identity_relation' ) ), =( first( X ), 
% 0.80/1.16    second( X ) ) ] )
% 0.80/1.16  , clause( 1120, [ member( X, 'identity_relation' ), ~( 'little_set'( X ) )
% 0.80/1.16    , ~( 'ordered_pair_predicate'( X ) ), ~( =( first( X ), second( X ) ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , clause( 1121, [ =( restrict( X, Y ), intersection( X, 'cross_product'( Y
% 0.80/1.16    , 'universal_set' ) ) ) ] )
% 0.80/1.16  , clause( 1122, [ ~( 'one_to_one_function'( X ) ), function( X ) ] )
% 0.80/1.16  , clause( 1123, [ ~( 'one_to_one_function'( X ) ), function( converse( X )
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1124, [ 'one_to_one_function'( X ), ~( function( X ) ), ~( 
% 0.80/1.16    function( converse( X ) ) ) ] )
% 0.80/1.16  , clause( 1125, [ ~( member( X, apply( Y, Z ) ) ), 'ordered_pair_predicate'( 
% 0.80/1.16    f28( X, Y, Z ) ) ] )
% 0.80/1.16  , clause( 1126, [ ~( member( X, apply( Y, Z ) ) ), member( f28( X, Y, Z ), 
% 0.80/1.16    Y ) ] )
% 0.80/1.16  , clause( 1127, [ ~( member( X, apply( Y, Z ) ) ), =( first( f28( X, Y, Z )
% 0.80/1.16     ), Z ) ] )
% 0.80/1.16  , clause( 1128, [ ~( member( X, apply( Y, Z ) ) ), member( X, second( f28( 
% 0.80/1.16    X, Y, Z ) ) ) ] )
% 0.80/1.16  , clause( 1129, [ member( X, apply( Y, Z ) ), ~( 'ordered_pair_predicate'( 
% 0.80/1.16    T ) ), ~( member( T, Y ) ), ~( =( first( T ), Z ) ), ~( member( X, second( 
% 0.80/1.16    T ) ) ) ] )
% 0.80/1.16  , clause( 1130, [ =( 'apply_to_two_arguments'( X, Y, Z ), apply( X, 
% 0.80/1.16    'ordered_pair'( Y, Z ) ) ) ] )
% 0.80/1.16  , clause( 1131, [ ~( maps( X, Y, Z ) ), function( X ) ] )
% 0.80/1.16  , clause( 1132, [ ~( maps( X, Y, Z ) ), =( 'domain_of'( X ), Y ) ] )
% 0.80/1.16  , clause( 1133, [ ~( maps( X, Y, Z ) ), subset( 'range_of'( X ), Z ) ] )
% 0.80/1.16  , clause( 1134, [ maps( X, Y, Z ), ~( function( X ) ), ~( =( 'domain_of'( X
% 0.80/1.16     ), Y ) ), ~( subset( 'range_of'( X ), Z ) ) ] )
% 0.80/1.16  , clause( 1135, [ ~( closed( X, Y ) ), 'little_set'( X ) ] )
% 0.80/1.16  , clause( 1136, [ ~( closed( X, Y ) ), 'little_set'( Y ) ] )
% 0.80/1.16  , clause( 1137, [ ~( closed( X, Y ) ), maps( Y, 'cross_product'( X, X ), X
% 0.80/1.16     ) ] )
% 0.80/1.16  , clause( 1138, [ closed( X, Y ), ~( 'little_set'( X ) ), ~( 'little_set'( 
% 0.80/1.16    Y ) ), ~( maps( Y, 'cross_product'( X, X ), X ) ) ] )
% 0.80/1.16  , clause( 1139, [ ~( member( X, compose( Y, Z ) ) ), 'little_set'( f29( X, 
% 0.80/1.16    Y, Z ) ) ] )
% 0.80/1.16  , clause( 1140, [ ~( member( X, compose( Y, Z ) ) ), 'little_set'( f30( X, 
% 0.80/1.16    Y, Z ) ) ] )
% 0.80/1.16  , clause( 1141, [ ~( member( X, compose( Y, Z ) ) ), 'little_set'( f31( X, 
% 0.80/1.16    Y, Z ) ) ] )
% 0.80/1.16  , clause( 1142, [ ~( member( X, compose( Y, Z ) ) ), =( X, 'ordered_pair'( 
% 0.80/1.16    f29( X, Y, Z ), f30( X, Y, Z ) ) ) ] )
% 0.80/1.16  , clause( 1143, [ ~( member( X, compose( Y, Z ) ) ), member( 'ordered_pair'( 
% 0.80/1.16    f29( X, Y, Z ), f31( X, Y, Z ) ), Y ) ] )
% 0.80/1.16  , clause( 1144, [ ~( member( X, compose( Y, Z ) ) ), member( 'ordered_pair'( 
% 0.80/1.16    f31( X, Y, Z ), f30( X, Y, Z ) ), Z ) ] )
% 0.80/1.16  , clause( 1145, [ member( X, compose( Y, Z ) ), ~( 'little_set'( X ) ), ~( 
% 0.80/1.16    'little_set'( T ) ), ~( 'little_set'( U ) ), ~( 'little_set'( W ) ), ~( 
% 0.80/1.16    =( X, 'ordered_pair'( T, U ) ) ), ~( member( 'ordered_pair'( T, W ), Y )
% 0.80/1.16     ), ~( member( 'ordered_pair'( W, U ), Z ) ) ] )
% 0.80/1.16  , clause( 1146, [ ~( homomorphism( X, Y, Z, T, U ) ), closed( Y, Z ) ] )
% 0.80/1.16  , clause( 1147, [ ~( homomorphism( X, Y, Z, T, U ) ), closed( T, U ) ] )
% 0.80/1.16  , clause( 1148, [ ~( homomorphism( X, Y, Z, T, U ) ), maps( X, Y, T ) ] )
% 0.80/1.16  , clause( 1149, [ ~( homomorphism( X, Y, Z, T, U ) ), ~( member( W, Y ) ), 
% 0.80/1.16    ~( member( V0, Y ) ), =( apply( X, 'apply_to_two_arguments'( Z, W, V0 ) )
% 0.80/1.16    , 'apply_to_two_arguments'( U, apply( X, W ), apply( X, V0 ) ) ) ] )
% 0.80/1.16  , clause( 1150, [ homomorphism( X, Y, Z, T, U ), ~( closed( Y, Z ) ), ~( 
% 0.80/1.16    closed( T, U ) ), ~( maps( X, Y, T ) ), member( f32( X, Y, Z, T, U ), Y )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1151, [ homomorphism( X, Y, Z, T, U ), ~( closed( Y, Z ) ), ~( 
% 0.80/1.16    closed( T, U ) ), ~( maps( X, Y, T ) ), member( f33( X, Y, Z, T, U ), Y )
% 0.80/1.16     ] )
% 0.80/1.16  , clause( 1152, [ homomorphism( X, Y, Z, T, U ), ~( closed( Y, Z ) ), ~( 
% 0.80/1.16    closed( T, U ) ), ~( maps( X, Y, T ) ), ~( =( apply( X, 
% 0.80/1.16    'apply_to_two_arguments'( Z, f32( X, Y, Z, T, U ), f33( X, Y, Z, T, U ) )
% 0.80/1.16     ), 'apply_to_two_arguments'( U, apply( X, f32( X, Y, Z, T, U ) ), apply( 
% 0.80/1.16    X, f33( X, Y, Z, T, U ) ) ) ) ) ] )
% 0.80/1.16  , clause( 1153, [ 'ordered_pair_predicate'( a ) ] )
% 0.80/1.16  , clause( 1154, [ ~( 'little_set'( a ) ) ] )
% 0.80/1.16  ] ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 7, [ 'little_set'( 'non_ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , clause( 1019, [ 'little_set'( 'non_ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.80/1.16     )] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  eqswap(
% 0.80/1.16  clause( 1180, [ =( 'non_ordered_pair'( 'singleton_set'( X ), 
% 0.80/1.16    'non_ordered_pair'( X, Y ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , clause( 1021, [ =( 'ordered_pair'( X, Y ), 'non_ordered_pair'( 
% 0.80/1.16    'singleton_set'( X ), 'non_ordered_pair'( X, Y ) ) ) ] )
% 0.80/1.16  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 9, [ =( 'non_ordered_pair'( 'singleton_set'( X ), 
% 0.80/1.16    'non_ordered_pair'( X, Y ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , clause( 1180, [ =( 'non_ordered_pair'( 'singleton_set'( X ), 
% 0.80/1.16    'non_ordered_pair'( X, Y ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.80/1.16     )] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  eqswap(
% 0.80/1.16  clause( 1195, [ =( 'ordered_pair'( f2( X ), f3( X ) ), X ), ~( 
% 0.80/1.16    'ordered_pair_predicate'( X ) ) ] )
% 0.80/1.16  , clause( 1024, [ ~( 'ordered_pair_predicate'( X ) ), =( X, 'ordered_pair'( 
% 0.80/1.16    f2( X ), f3( X ) ) ) ] )
% 0.80/1.16  , 1, substitution( 0, [ :=( X, X )] )).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 12, [ ~( 'ordered_pair_predicate'( X ) ), =( 'ordered_pair'( f2( X
% 0.80/1.16     ), f3( X ) ), X ) ] )
% 0.80/1.16  , clause( 1195, [ =( 'ordered_pair'( f2( X ), f3( X ) ), X ), ~( 
% 0.80/1.16    'ordered_pair_predicate'( X ) ) ] )
% 0.80/1.16  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.80/1.16    0 )] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 141, [ 'ordered_pair_predicate'( a ) ] )
% 0.80/1.16  , clause( 1153, [ 'ordered_pair_predicate'( a ) ] )
% 0.80/1.16  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 142, [ ~( 'little_set'( a ) ) ] )
% 0.80/1.16  , clause( 1154, [ ~( 'little_set'( a ) ) ] )
% 0.80/1.16  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  paramod(
% 0.80/1.16  clause( 1541, [ 'little_set'( 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , clause( 9, [ =( 'non_ordered_pair'( 'singleton_set'( X ), 
% 0.80/1.16    'non_ordered_pair'( X, Y ) ), 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , 0, clause( 7, [ 'little_set'( 'non_ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , 0, 1, substitution( 0, [ :=( X, X ), :=( Y, Y )] ), substitution( 1, [ 
% 0.80/1.16    :=( X, 'singleton_set'( X ) ), :=( Y, 'non_ordered_pair'( X, Y ) )] )
% 0.80/1.16    ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 709, [ 'little_set'( 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , clause( 1541, [ 'little_set'( 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.80/1.16     )] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  paramod(
% 0.80/1.16  clause( 1543, [ 'little_set'( X ), ~( 'ordered_pair_predicate'( X ) ) ] )
% 0.80/1.16  , clause( 12, [ ~( 'ordered_pair_predicate'( X ) ), =( 'ordered_pair'( f2( 
% 0.80/1.16    X ), f3( X ) ), X ) ] )
% 0.80/1.16  , 1, clause( 709, [ 'little_set'( 'ordered_pair'( X, Y ) ) ] )
% 0.80/1.16  , 0, 1, substitution( 0, [ :=( X, X )] ), substitution( 1, [ :=( X, f2( X )
% 0.80/1.16     ), :=( Y, f3( X ) )] )).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 944, [ 'little_set'( X ), ~( 'ordered_pair_predicate'( X ) ) ] )
% 0.80/1.16  , clause( 1543, [ 'little_set'( X ), ~( 'ordered_pair_predicate'( X ) ) ]
% 0.80/1.16     )
% 0.80/1.16  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.80/1.16    1 )] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  resolution(
% 0.80/1.16  clause( 1544, [ 'little_set'( a ) ] )
% 0.80/1.16  , clause( 944, [ 'little_set'( X ), ~( 'ordered_pair_predicate'( X ) ) ] )
% 0.80/1.16  , 1, clause( 141, [ 'ordered_pair_predicate'( a ) ] )
% 0.80/1.16  , 0, substitution( 0, [ :=( X, a )] ), substitution( 1, [] )).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  resolution(
% 0.80/1.16  clause( 1545, [] )
% 0.80/1.16  , clause( 142, [ ~( 'little_set'( a ) ) ] )
% 0.80/1.16  , 0, clause( 1544, [ 'little_set'( a ) ] )
% 0.80/1.16  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  subsumption(
% 0.80/1.16  clause( 1010, [] )
% 0.80/1.16  , clause( 1545, [] )
% 0.80/1.16  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  end.
% 0.80/1.16  
% 0.80/1.16  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.80/1.16  
% 0.80/1.16  Memory use:
% 0.80/1.16  
% 0.80/1.16  space for terms:        17711
% 0.80/1.16  space for clauses:      52154
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  clauses generated:      1990
% 0.80/1.16  clauses kept:           1011
% 0.80/1.16  clauses selected:       64
% 0.80/1.16  clauses deleted:        0
% 0.80/1.16  clauses inuse deleted:  0
% 0.80/1.16  
% 0.80/1.16  subsentry:          4908
% 0.80/1.16  literals s-matched: 3499
% 0.80/1.16  literals matched:   2574
% 0.80/1.16  full subsumption:   1237
% 0.80/1.16  
% 0.80/1.16  checksum:           -1002660694
% 0.80/1.16  
% 0.80/1.16  
% 0.80/1.16  Bliksem ended
%------------------------------------------------------------------------------