TSTP Solution File: TOP001-2 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : TOP001-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n020.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 : Thu Jul 21 21:20:15 EDT 2022

% Result   : Unsatisfiable 0.77s 1.27s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : TOP001-2 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n020.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % DateTime : Sun May 29 14:13:09 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.77/1.26  *** allocated 10000 integers for termspace/termends
% 0.77/1.26  *** allocated 10000 integers for clauses
% 0.77/1.26  *** allocated 10000 integers for justifications
% 0.77/1.26  Bliksem 1.12
% 0.77/1.26  
% 0.77/1.26  
% 0.77/1.26  Automatic Strategy Selection
% 0.77/1.26  
% 0.77/1.26  Clauses:
% 0.77/1.26  [
% 0.77/1.26     [ ~( 'element_of_set'( X, 'union_of_members'( Y ) ) ), 'element_of_set'( 
% 0.77/1.26    X, f1( Y, X ) ) ],
% 0.77/1.26     [ ~( 'element_of_set'( X, 'union_of_members'( Y ) ) ), 
% 0.77/1.26    'element_of_collection'( f1( Y, X ), Y ) ],
% 0.77/1.26     [ 'element_of_set'( X, 'union_of_members'( Y ) ), ~( 'element_of_set'( X
% 0.77/1.26    , Z ) ), ~( 'element_of_collection'( Z, Y ) ) ],
% 0.77/1.26     [ ~( basis( X, Y ) ), 'equal_sets'( 'union_of_members'( Y ), X ) ],
% 0.77/1.26     [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), ~( 
% 0.77/1.26    'element_of_set'( Z, X ) ), 'element_of_set'( Z, f10( Y, X, Z ) ) ],
% 0.77/1.26     [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), ~( 
% 0.77/1.26    'element_of_set'( Z, X ) ), 'element_of_collection'( f10( Y, X, Z ), Y )
% 0.77/1.26     ],
% 0.77/1.26     [ 'subset_sets'( X, X ) ],
% 0.77/1.26     [ ~( 'subset_sets'( X, Y ) ), ~( 'element_of_set'( Z, X ) ), 
% 0.77/1.26    'element_of_set'( Z, Y ) ],
% 0.77/1.26     [ ~( 'equal_sets'( X, Y ) ), 'subset_sets'( X, Y ) ],
% 0.77/1.27     [ 'subset_sets'( X, Y ), 'element_of_set'( 'in_1st_set'( X, Y ), X ) ]
% 0.77/1.27    ,
% 0.77/1.27     [ 'subset_sets'( X, Y ), ~( 'element_of_set'( 'in_1st_set'( X, Y ), Y )
% 0.77/1.27     ) ],
% 0.77/1.27     [ basis( cx, f ) ],
% 0.77/1.27     [ ~( 'subset_sets'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ]
% 0.77/1.27    
% 0.77/1.27  ] .
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  percentage equality = 0.000000, percentage horn = 0.923077
% 0.77/1.27  This is a near-Horn, non-equality  problem
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  Options Used:
% 0.77/1.27  
% 0.77/1.27  useres =            1
% 0.77/1.27  useparamod =        0
% 0.77/1.27  useeqrefl =         0
% 0.77/1.27  useeqfact =         0
% 0.77/1.27  usefactor =         1
% 0.77/1.27  usesimpsplitting =  0
% 0.77/1.27  usesimpdemod =      0
% 0.77/1.27  usesimpres =        4
% 0.77/1.27  
% 0.77/1.27  resimpinuse      =  1000
% 0.77/1.27  resimpclauses =     20000
% 0.77/1.27  substype =          standard
% 0.77/1.27  backwardsubs =      1
% 0.77/1.27  selectoldest =      5
% 0.77/1.27  
% 0.77/1.27  litorderings [0] =  split
% 0.77/1.27  litorderings [1] =  liftord
% 0.77/1.27  
% 0.77/1.27  termordering =      none
% 0.77/1.27  
% 0.77/1.27  litapriori =        1
% 0.77/1.27  termapriori =       0
% 0.77/1.27  litaposteriori =    0
% 0.77/1.27  termaposteriori =   0
% 0.77/1.27  demodaposteriori =  0
% 0.77/1.27  ordereqreflfact =   0
% 0.77/1.27  
% 0.77/1.27  litselect =         negative
% 0.77/1.27  
% 0.77/1.27  maxweight =         30000
% 0.77/1.27  maxdepth =          30000
% 0.77/1.27  maxlength =         115
% 0.77/1.27  maxnrvars =         195
% 0.77/1.27  excuselevel =       0
% 0.77/1.27  increasemaxweight = 0
% 0.77/1.27  
% 0.77/1.27  maxselected =       10000000
% 0.77/1.27  maxnrclauses =      10000000
% 0.77/1.27  
% 0.77/1.27  showgenerated =    0
% 0.77/1.27  showkept =         0
% 0.77/1.27  showselected =     0
% 0.77/1.27  showdeleted =      0
% 0.77/1.27  showresimp =       1
% 0.77/1.27  showstatus =       2000
% 0.77/1.27  
% 0.77/1.27  prologoutput =     1
% 0.77/1.27  nrgoals =          5000000
% 0.77/1.27  totalproof =       1
% 0.77/1.27  
% 0.77/1.27  Symbols occurring in the translation:
% 0.77/1.27  
% 0.77/1.27  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.77/1.27  .  [1, 2]      (w:1, o:23, a:1, s:1, b:0), 
% 0.77/1.27  !  [4, 1]      (w:1, o:16, a:1, s:1, b:0), 
% 0.77/1.27  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.77/1.27  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.77/1.27  'union_of_members'  [41, 1]      (w:1, o:22, a:1, s:1, b:0), 
% 0.77/1.27  'element_of_set'  [42, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.77/1.27  f1  [43, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.77/1.27  'element_of_collection'  [44, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.77/1.27  basis  [47, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.77/1.27  'equal_sets'  [48, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.77/1.27  'top_of_basis'  [49, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.77/1.27  f10  [50, 3]      (w:1, o:55, a:1, s:1, b:0), 
% 0.77/1.27  'subset_sets'  [51, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.77/1.27  'in_1st_set'  [53, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.77/1.27  cx  [54, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.77/1.27  f  [55, 0]      (w:1, o:15, a:1, s:1, b:0).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  Starting Search:
% 0.77/1.27  
% 0.77/1.27  Resimplifying inuse:
% 0.77/1.27  Done
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  Intermediate Status:
% 0.77/1.27  Generated:    4478
% 0.77/1.27  Kept:         2043
% 0.77/1.27  Inuse:        216
% 0.77/1.27  Deleted:      10
% 0.77/1.27  Deletedinuse: 0
% 0.77/1.27  
% 0.77/1.27  Resimplifying inuse:
% 0.77/1.27  Done
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  Bliksems!, er is een bewijs:
% 0.77/1.27  % SZS status Unsatisfiable
% 0.77/1.27  % SZS output start Refutation
% 0.77/1.27  
% 0.77/1.27  clause( 0, [ 'element_of_set'( X, f1( Y, X ) ), ~( 'element_of_set'( X, 
% 0.77/1.27    'union_of_members'( Y ) ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 1, [ 'element_of_collection'( f1( Y, X ), Y ), ~( 'element_of_set'( 
% 0.77/1.27    X, 'union_of_members'( Y ) ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 2, [ 'element_of_set'( X, 'union_of_members'( Y ) ), ~( 
% 0.77/1.27    'element_of_collection'( Z, Y ) ), ~( 'element_of_set'( X, Z ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 3, [ 'equal_sets'( 'union_of_members'( Y ), X ), ~( basis( X, Y ) )
% 0.77/1.27     ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 4, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    'element_of_set'( Z, f10( Y, X, Z ) ), ~( 'element_of_set'( Z, X ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 5, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    'element_of_collection'( f10( Y, X, Z ), Y ), ~( 'element_of_set'( Z, X )
% 0.77/1.27     ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 7, [ ~( 'subset_sets'( X, Y ) ), 'element_of_set'( Z, Y ), ~( 
% 0.77/1.27    'element_of_set'( Z, X ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 8, [ 'subset_sets'( X, Y ), ~( 'equal_sets'( X, Y ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 9, [ 'element_of_set'( 'in_1st_set'( X, Y ), X ), 'subset_sets'( X
% 0.77/1.27    , Y ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 10, [ 'subset_sets'( X, Y ), ~( 'element_of_set'( 'in_1st_set'( X, 
% 0.77/1.27    Y ), Y ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 11, [ basis( cx, f ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 12, [ ~( 'subset_sets'( 'union_of_members'( 'top_of_basis'( f ) ), 
% 0.77/1.27    cx ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 13, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( 'top_of_basis'( f ) ) )
% 0.77/1.27     ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 14, [ 'equal_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 15, [ 'subset_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 16, [ 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( f ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 17, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 22, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( X, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ), ~( 
% 0.77/1.27    'element_of_collection'( f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'top_of_basis'( X ) )
% 0.77/1.27     ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 25, [ 'element_of_collection'( f10( X, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ), ~( 
% 0.77/1.27    'element_of_collection'( f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'top_of_basis'( X ) )
% 0.77/1.27     ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 42, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 48, [ 'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), f ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 183, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( X ) ), ~( 
% 0.77/1.27    'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 2394, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( f ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 2398, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), X ), ~( 'subset_sets'( 'union_of_members'( f
% 0.77/1.27     ), X ) ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 2423, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), cx ) ] )
% 0.77/1.27  .
% 0.77/1.27  clause( 2429, [] )
% 0.77/1.27  .
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  % SZS output end Refutation
% 0.77/1.27  found a proof!
% 0.77/1.27  
% 0.77/1.27  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.77/1.27  
% 0.77/1.27  initialclauses(
% 0.77/1.27  [ clause( 2431, [ ~( 'element_of_set'( X, 'union_of_members'( Y ) ) ), 
% 0.77/1.27    'element_of_set'( X, f1( Y, X ) ) ] )
% 0.77/1.27  , clause( 2432, [ ~( 'element_of_set'( X, 'union_of_members'( Y ) ) ), 
% 0.77/1.27    'element_of_collection'( f1( Y, X ), Y ) ] )
% 0.77/1.27  , clause( 2433, [ 'element_of_set'( X, 'union_of_members'( Y ) ), ~( 
% 0.77/1.27    'element_of_set'( X, Z ) ), ~( 'element_of_collection'( Z, Y ) ) ] )
% 0.77/1.27  , clause( 2434, [ ~( basis( X, Y ) ), 'equal_sets'( 'union_of_members'( Y )
% 0.77/1.27    , X ) ] )
% 0.77/1.27  , clause( 2435, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    ~( 'element_of_set'( Z, X ) ), 'element_of_set'( Z, f10( Y, X, Z ) ) ] )
% 0.77/1.27  , clause( 2436, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    ~( 'element_of_set'( Z, X ) ), 'element_of_collection'( f10( Y, X, Z ), Y
% 0.77/1.27     ) ] )
% 0.77/1.27  , clause( 2437, [ 'subset_sets'( X, X ) ] )
% 0.77/1.27  , clause( 2438, [ ~( 'subset_sets'( X, Y ) ), ~( 'element_of_set'( Z, X ) )
% 0.77/1.27    , 'element_of_set'( Z, Y ) ] )
% 0.77/1.27  , clause( 2439, [ ~( 'equal_sets'( X, Y ) ), 'subset_sets'( X, Y ) ] )
% 0.77/1.27  , clause( 2440, [ 'subset_sets'( X, Y ), 'element_of_set'( 'in_1st_set'( X
% 0.77/1.27    , Y ), X ) ] )
% 0.77/1.27  , clause( 2441, [ 'subset_sets'( X, Y ), ~( 'element_of_set'( 'in_1st_set'( 
% 0.77/1.27    X, Y ), Y ) ) ] )
% 0.77/1.27  , clause( 2442, [ basis( cx, f ) ] )
% 0.77/1.27  , clause( 2443, [ ~( 'subset_sets'( 'union_of_members'( 'top_of_basis'( f )
% 0.77/1.27     ), cx ) ) ] )
% 0.77/1.27  ] ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 0, [ 'element_of_set'( X, f1( Y, X ) ), ~( 'element_of_set'( X, 
% 0.77/1.27    'union_of_members'( Y ) ) ) ] )
% 0.77/1.27  , clause( 2431, [ ~( 'element_of_set'( X, 'union_of_members'( Y ) ) ), 
% 0.77/1.27    'element_of_set'( X, f1( Y, X ) ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.77/1.27     ), ==>( 1, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 1, [ 'element_of_collection'( f1( Y, X ), Y ), ~( 'element_of_set'( 
% 0.77/1.27    X, 'union_of_members'( Y ) ) ) ] )
% 0.77/1.27  , clause( 2432, [ ~( 'element_of_set'( X, 'union_of_members'( Y ) ) ), 
% 0.77/1.27    'element_of_collection'( f1( Y, X ), Y ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.77/1.27     ), ==>( 1, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 2, [ 'element_of_set'( X, 'union_of_members'( Y ) ), ~( 
% 0.77/1.27    'element_of_collection'( Z, Y ) ), ~( 'element_of_set'( X, Z ) ) ] )
% 0.77/1.27  , clause( 2433, [ 'element_of_set'( X, 'union_of_members'( Y ) ), ~( 
% 0.77/1.27    'element_of_set'( X, Z ) ), ~( 'element_of_collection'( Z, Y ) ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.77/1.27    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 3, [ 'equal_sets'( 'union_of_members'( Y ), X ), ~( basis( X, Y ) )
% 0.77/1.27     ] )
% 0.77/1.27  , clause( 2434, [ ~( basis( X, Y ) ), 'equal_sets'( 'union_of_members'( Y )
% 0.77/1.27    , X ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.77/1.27     ), ==>( 1, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 4, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    'element_of_set'( Z, f10( Y, X, Z ) ), ~( 'element_of_set'( Z, X ) ) ] )
% 0.77/1.27  , clause( 2435, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    ~( 'element_of_set'( Z, X ) ), 'element_of_set'( Z, f10( Y, X, Z ) ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.77/1.27    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 5, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    'element_of_collection'( f10( Y, X, Z ), Y ), ~( 'element_of_set'( Z, X )
% 0.77/1.27     ) ] )
% 0.77/1.27  , clause( 2436, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    ~( 'element_of_set'( Z, X ) ), 'element_of_collection'( f10( Y, X, Z ), Y
% 0.77/1.27     ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.77/1.27    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 7, [ ~( 'subset_sets'( X, Y ) ), 'element_of_set'( Z, Y ), ~( 
% 0.77/1.27    'element_of_set'( Z, X ) ) ] )
% 0.77/1.27  , clause( 2438, [ ~( 'subset_sets'( X, Y ) ), ~( 'element_of_set'( Z, X ) )
% 0.77/1.27    , 'element_of_set'( Z, Y ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.77/1.27    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 8, [ 'subset_sets'( X, Y ), ~( 'equal_sets'( X, Y ) ) ] )
% 0.77/1.27  , clause( 2439, [ ~( 'equal_sets'( X, Y ) ), 'subset_sets'( X, Y ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.77/1.27     ), ==>( 1, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 9, [ 'element_of_set'( 'in_1st_set'( X, Y ), X ), 'subset_sets'( X
% 0.77/1.27    , Y ) ] )
% 0.77/1.27  , clause( 2440, [ 'subset_sets'( X, Y ), 'element_of_set'( 'in_1st_set'( X
% 0.77/1.27    , Y ), X ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.77/1.27     ), ==>( 1, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 10, [ 'subset_sets'( X, Y ), ~( 'element_of_set'( 'in_1st_set'( X, 
% 0.77/1.27    Y ), Y ) ) ] )
% 0.77/1.27  , clause( 2441, [ 'subset_sets'( X, Y ), ~( 'element_of_set'( 'in_1st_set'( 
% 0.77/1.27    X, Y ), Y ) ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.77/1.27     ), ==>( 1, 1 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 11, [ basis( cx, f ) ] )
% 0.77/1.27  , clause( 2442, [ basis( cx, f ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 12, [ ~( 'subset_sets'( 'union_of_members'( 'top_of_basis'( f ) ), 
% 0.77/1.27    cx ) ) ] )
% 0.77/1.27  , clause( 2443, [ ~( 'subset_sets'( 'union_of_members'( 'top_of_basis'( f )
% 0.77/1.27     ), cx ) ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2444, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( 'top_of_basis'( f ) ) )
% 0.77/1.27     ] )
% 0.77/1.27  , clause( 12, [ ~( 'subset_sets'( 'union_of_members'( 'top_of_basis'( f ) )
% 0.77/1.27    , cx ) ) ] )
% 0.77/1.27  , 0, clause( 9, [ 'element_of_set'( 'in_1st_set'( X, Y ), X ), 
% 0.77/1.27    'subset_sets'( X, Y ) ] )
% 0.77/1.27  , 1, substitution( 0, [] ), substitution( 1, [ :=( X, 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ) ), :=( Y, cx )] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 13, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( 'top_of_basis'( f ) ) )
% 0.77/1.27     ] )
% 0.77/1.27  , clause( 2444, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( 'top_of_basis'( f ) ) )
% 0.77/1.27     ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2445, [ 'equal_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , clause( 3, [ 'equal_sets'( 'union_of_members'( Y ), X ), ~( basis( X, Y )
% 0.77/1.27     ) ] )
% 0.77/1.27  , 1, clause( 11, [ basis( cx, f ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, cx ), :=( Y, f )] ), substitution( 1, [] )
% 0.77/1.27    ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 14, [ 'equal_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , clause( 2445, [ 'equal_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2446, [ 'subset_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , clause( 8, [ 'subset_sets'( X, Y ), ~( 'equal_sets'( X, Y ) ) ] )
% 0.77/1.27  , 1, clause( 14, [ 'equal_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, 'union_of_members'( f ) ), :=( Y, cx )] ), 
% 0.77/1.27    substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 15, [ 'subset_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , clause( 2446, [ 'subset_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2447, [ 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( f ) ) ] )
% 0.77/1.27  , clause( 1, [ 'element_of_collection'( f1( Y, X ), Y ), ~( 
% 0.77/1.27    'element_of_set'( X, 'union_of_members'( Y ) ) ) ] )
% 0.77/1.27  , 1, clause( 13, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( 'top_of_basis'( f ) ) )
% 0.77/1.27     ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ) ), :=( Y, 'top_of_basis'( f ) )] ), 
% 0.77/1.27    substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 16, [ 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( f ) ) ] )
% 0.77/1.27  , clause( 2447, [ 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( f ) ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2448, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , clause( 0, [ 'element_of_set'( X, f1( Y, X ) ), ~( 'element_of_set'( X, 
% 0.77/1.27    'union_of_members'( Y ) ) ) ] )
% 0.77/1.27  , 1, clause( 13, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( 'top_of_basis'( f ) ) )
% 0.77/1.27     ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ) ), :=( Y, 'top_of_basis'( f ) )] ), 
% 0.77/1.27    substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 17, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , clause( 2448, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2449, [ ~( 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( X ) ) ), 'element_of_set'( 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ), f10( X, f1( 
% 0.77/1.27    'top_of_basis'( f ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f
% 0.77/1.27     ) ), cx ) ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx
% 0.77/1.27     ) ) ) ] )
% 0.77/1.27  , clause( 4, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    'element_of_set'( Z, f10( Y, X, Z ) ), ~( 'element_of_set'( Z, X ) ) ] )
% 0.77/1.27  , 2, clause( 17, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ), :=( Y, X ), :=( Z, 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) )] ), 
% 0.77/1.27    substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 22, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( X, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ), ~( 
% 0.77/1.27    'element_of_collection'( f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'top_of_basis'( X ) )
% 0.77/1.27     ) ] )
% 0.77/1.27  , clause( 2449, [ ~( 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( X ) ) ), 'element_of_set'( 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ), f10( X, f1( 
% 0.77/1.27    'top_of_basis'( f ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f
% 0.77/1.27     ) ), cx ) ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx
% 0.77/1.27     ) ) ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.77/1.27    0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2450, [ ~( 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( X ) ) ), 'element_of_collection'( f10( X, f1( 
% 0.77/1.27    'top_of_basis'( f ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f
% 0.77/1.27     ) ), cx ) ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx
% 0.77/1.27     ) ), X ) ] )
% 0.77/1.27  , clause( 5, [ ~( 'element_of_collection'( X, 'top_of_basis'( Y ) ) ), 
% 0.77/1.27    'element_of_collection'( f10( Y, X, Z ), Y ), ~( 'element_of_set'( Z, X )
% 0.77/1.27     ) ] )
% 0.77/1.27  , 2, clause( 17, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ), :=( Y, X ), :=( Z, 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) )] ), 
% 0.77/1.27    substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 25, [ 'element_of_collection'( f10( X, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ), ~( 
% 0.77/1.27    'element_of_collection'( f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'top_of_basis'( X ) )
% 0.77/1.27     ) ] )
% 0.77/1.27  , clause( 2450, [ ~( 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( X ) ) ), 'element_of_collection'( f10( X, f1( 
% 0.77/1.27    'top_of_basis'( f ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f
% 0.77/1.27     ) ), cx ) ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx
% 0.77/1.27     ) ), X ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.77/1.27    0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2451, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , clause( 22, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( X, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ), ~( 
% 0.77/1.27    'element_of_collection'( f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'top_of_basis'( X ) )
% 0.77/1.27     ) ] )
% 0.77/1.27  , 1, clause( 16, [ 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( f ) ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, f )] ), substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 42, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , clause( 2451, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2452, [ 'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), f ) ] )
% 0.77/1.27  , clause( 25, [ 'element_of_collection'( f10( X, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ), ~( 
% 0.77/1.27    'element_of_collection'( f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'top_of_basis'( X ) )
% 0.77/1.27     ) ] )
% 0.77/1.27  , 1, clause( 16, [ 'element_of_collection'( f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'top_of_basis'( f ) ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, f )] ), substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 48, [ 'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), f ) ] )
% 0.77/1.27  , clause( 2452, [ 'element_of_collection'( f10( f, f1( 'top_of_basis'( f )
% 0.77/1.27    , 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), f ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2453, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( X ) ), ~( 
% 0.77/1.27    'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ) ) ] )
% 0.77/1.27  , clause( 2, [ 'element_of_set'( X, 'union_of_members'( Y ) ), ~( 
% 0.77/1.27    'element_of_collection'( Z, Y ) ), ~( 'element_of_set'( X, Z ) ) ] )
% 0.77/1.27  , 2, clause( 42, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), f10( f, f1( 'top_of_basis'( f ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ) ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ) ), :=( Y, X ), :=( Z, f10( f, f1( 
% 0.77/1.27    'top_of_basis'( f ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f
% 0.77/1.27     ) ), cx ) ), 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx
% 0.77/1.27     ) ) )] ), substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 183, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( X ) ), ~( 
% 0.77/1.27    'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ) ) ] )
% 0.77/1.27  , clause( 2453, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( X ) ), ~( 
% 0.77/1.27    'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ) ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.77/1.27    1 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2454, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( f ) ) ] )
% 0.77/1.27  , clause( 183, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( X ) ), ~( 
% 0.77/1.27    'element_of_collection'( f10( f, f1( 'top_of_basis'( f ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 'in_1st_set'( 
% 0.77/1.27    'union_of_members'( 'top_of_basis'( f ) ), cx ) ), X ) ) ] )
% 0.77/1.27  , 1, clause( 48, [ 'element_of_collection'( f10( f, f1( 'top_of_basis'( f )
% 0.77/1.27    , 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), 
% 0.77/1.27    'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) ), f ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, f )] ), substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 2394, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( f ) ) ] )
% 0.77/1.27  , clause( 2454, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( f ) ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2455, [ ~( 'subset_sets'( 'union_of_members'( f ), X ) ), 
% 0.77/1.27    'element_of_set'( 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) )
% 0.77/1.27    , cx ), X ) ] )
% 0.77/1.27  , clause( 7, [ ~( 'subset_sets'( X, Y ) ), 'element_of_set'( Z, Y ), ~( 
% 0.77/1.27    'element_of_set'( Z, X ) ) ] )
% 0.77/1.27  , 2, clause( 2394, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), 'union_of_members'( f ) ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, 'union_of_members'( f ) ), :=( Y, X ), :=( Z
% 0.77/1.27    , 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) ), cx ) )] ), 
% 0.77/1.27    substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 2398, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), X ), ~( 'subset_sets'( 'union_of_members'( f
% 0.77/1.27     ), X ) ) ] )
% 0.77/1.27  , clause( 2455, [ ~( 'subset_sets'( 'union_of_members'( f ), X ) ), 
% 0.77/1.27    'element_of_set'( 'in_1st_set'( 'union_of_members'( 'top_of_basis'( f ) )
% 0.77/1.27    , cx ), X ) ] )
% 0.77/1.27  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.77/1.27    0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2456, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), cx ) ] )
% 0.77/1.27  , clause( 2398, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), X ), ~( 'subset_sets'( 'union_of_members'( f
% 0.77/1.27     ), X ) ) ] )
% 0.77/1.27  , 1, clause( 15, [ 'subset_sets'( 'union_of_members'( f ), cx ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, cx )] ), substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 2423, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), cx ) ] )
% 0.77/1.27  , clause( 2456, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), cx ) ] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2457, [ 'subset_sets'( 'union_of_members'( 'top_of_basis'( f ) ), 
% 0.77/1.27    cx ) ] )
% 0.77/1.27  , clause( 10, [ 'subset_sets'( X, Y ), ~( 'element_of_set'( 'in_1st_set'( X
% 0.77/1.27    , Y ), Y ) ) ] )
% 0.77/1.27  , 1, clause( 2423, [ 'element_of_set'( 'in_1st_set'( 'union_of_members'( 
% 0.77/1.27    'top_of_basis'( f ) ), cx ), cx ) ] )
% 0.77/1.27  , 0, substitution( 0, [ :=( X, 'union_of_members'( 'top_of_basis'( f ) ) )
% 0.77/1.27    , :=( Y, cx )] ), substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  resolution(
% 0.77/1.27  clause( 2458, [] )
% 0.77/1.27  , clause( 12, [ ~( 'subset_sets'( 'union_of_members'( 'top_of_basis'( f ) )
% 0.77/1.27    , cx ) ) ] )
% 0.77/1.27  , 0, clause( 2457, [ 'subset_sets'( 'union_of_members'( 'top_of_basis'( f )
% 0.77/1.27     ), cx ) ] )
% 0.77/1.27  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  subsumption(
% 0.77/1.27  clause( 2429, [] )
% 0.77/1.27  , clause( 2458, [] )
% 0.77/1.27  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  end.
% 0.77/1.27  
% 0.77/1.27  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.77/1.27  
% 0.77/1.27  Memory use:
% 0.77/1.27  
% 0.77/1.27  space for terms:        111616
% 0.77/1.27  space for clauses:      130091
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  clauses generated:      5787
% 0.77/1.27  clauses kept:           2430
% 0.77/1.27  clauses selected:       243
% 0.77/1.27  clauses deleted:        12
% 0.77/1.27  clauses inuse deleted:  1
% 0.77/1.27  
% 0.77/1.27  subsentry:          173539
% 0.77/1.27  literals s-matched: 65405
% 0.77/1.27  literals matched:   42558
% 0.77/1.27  full subsumption:   31310
% 0.77/1.27  
% 0.77/1.27  checksum:           2087495348
% 0.77/1.27  
% 0.77/1.27  
% 0.77/1.27  Bliksem ended
%------------------------------------------------------------------------------