TSTP Solution File: GRP152-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP152-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n008.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 : Sat Jul 16 07:35:36 EDT 2022

% Result   : Unsatisfiable 0.42s 1.06s
% Output   : Refutation 0.42s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP152-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.03/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n008.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 Jun 13 10:11:37 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.42/1.06  *** allocated 10000 integers for termspace/termends
% 0.42/1.06  *** allocated 10000 integers for clauses
% 0.42/1.06  *** allocated 10000 integers for justifications
% 0.42/1.06  Bliksem 1.12
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Automatic Strategy Selection
% 0.42/1.06  
% 0.42/1.06  Clauses:
% 0.42/1.06  [
% 0.42/1.06     [ =( multiply( identity, X ), X ) ],
% 0.42/1.06     [ =( multiply( inverse( X ), X ), identity ) ],
% 0.42/1.06     [ =( multiply( multiply( X, Y ), Z ), multiply( X, multiply( Y, Z ) ) )
% 0.42/1.06     ],
% 0.42/1.06     [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y, X ) ) ]
% 0.42/1.06    ,
% 0.42/1.06     [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) ) ],
% 0.42/1.06     [ =( 'greatest_lower_bound'( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.42/1.06    'greatest_lower_bound'( 'greatest_lower_bound'( X, Y ), Z ) ) ],
% 0.42/1.06     [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.42/1.06    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ],
% 0.42/1.06     [ =( 'least_upper_bound'( X, X ), X ) ],
% 0.42/1.06     [ =( 'greatest_lower_bound'( X, X ), X ) ],
% 0.42/1.06     [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) ), X ) ]
% 0.42/1.06    ,
% 0.42/1.06     [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) ), X ) ]
% 0.42/1.06    ,
% 0.42/1.06     [ =( multiply( X, 'least_upper_bound'( Y, Z ) ), 'least_upper_bound'( 
% 0.42/1.06    multiply( X, Y ), multiply( X, Z ) ) ) ],
% 0.42/1.06     [ =( multiply( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.42/1.06    'greatest_lower_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ],
% 0.42/1.06     [ =( multiply( 'least_upper_bound'( X, Y ), Z ), 'least_upper_bound'( 
% 0.42/1.06    multiply( X, Z ), multiply( Y, Z ) ) ) ],
% 0.42/1.06     [ =( multiply( 'greatest_lower_bound'( X, Y ), Z ), 
% 0.42/1.06    'greatest_lower_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ],
% 0.42/1.06     [ ~( =( 'least_upper_bound'( b, 'least_upper_bound'( a, b ) ), 
% 0.42/1.06    'least_upper_bound'( a, b ) ) ) ]
% 0.42/1.06  ] .
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  percentage equality = 1.000000, percentage horn = 1.000000
% 0.42/1.06  This is a pure equality problem
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Options Used:
% 0.42/1.06  
% 0.42/1.06  useres =            1
% 0.42/1.06  useparamod =        1
% 0.42/1.06  useeqrefl =         1
% 0.42/1.06  useeqfact =         1
% 0.42/1.06  usefactor =         1
% 0.42/1.06  usesimpsplitting =  0
% 0.42/1.06  usesimpdemod =      5
% 0.42/1.06  usesimpres =        3
% 0.42/1.06  
% 0.42/1.06  resimpinuse      =  1000
% 0.42/1.06  resimpclauses =     20000
% 0.42/1.06  substype =          eqrewr
% 0.42/1.06  backwardsubs =      1
% 0.42/1.06  selectoldest =      5
% 0.42/1.06  
% 0.42/1.06  litorderings [0] =  split
% 0.42/1.06  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.42/1.06  
% 0.42/1.06  termordering =      kbo
% 0.42/1.06  
% 0.42/1.06  litapriori =        0
% 0.42/1.06  termapriori =       1
% 0.42/1.06  litaposteriori =    0
% 0.42/1.06  termaposteriori =   0
% 0.42/1.06  demodaposteriori =  0
% 0.42/1.06  ordereqreflfact =   0
% 0.42/1.06  
% 0.42/1.06  litselect =         negord
% 0.42/1.06  
% 0.42/1.06  maxweight =         15
% 0.42/1.06  maxdepth =          30000
% 0.42/1.06  maxlength =         115
% 0.42/1.06  maxnrvars =         195
% 0.42/1.06  excuselevel =       1
% 0.42/1.06  increasemaxweight = 1
% 0.42/1.06  
% 0.42/1.06  maxselected =       10000000
% 0.42/1.06  maxnrclauses =      10000000
% 0.42/1.06  
% 0.42/1.06  showgenerated =    0
% 0.42/1.06  showkept =         0
% 0.42/1.06  showselected =     0
% 0.42/1.06  showdeleted =      0
% 0.42/1.06  showresimp =       1
% 0.42/1.06  showstatus =       2000
% 0.42/1.06  
% 0.42/1.06  prologoutput =     1
% 0.42/1.06  nrgoals =          5000000
% 0.42/1.06  totalproof =       1
% 0.42/1.06  
% 0.42/1.06  Symbols occurring in the translation:
% 0.42/1.06  
% 0.42/1.06  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.42/1.06  .  [1, 2]      (w:1, o:21, a:1, s:1, b:0), 
% 0.42/1.06  !  [4, 1]      (w:0, o:15, a:1, s:1, b:0), 
% 0.42/1.06  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.42/1.06  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.42/1.06  identity  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.42/1.06  multiply  [41, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.42/1.06  inverse  [42, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.42/1.06  'greatest_lower_bound'  [45, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.42/1.06  'least_upper_bound'  [46, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 0.42/1.06  b  [47, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.42/1.06  a  [48, 0]      (w:1, o:13, a:1, s:1, b:0).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Starting Search:
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Bliksems!, er is een bewijs:
% 0.42/1.06  % SZS status Unsatisfiable
% 0.42/1.06  % SZS output start Refutation
% 0.42/1.06  
% 0.42/1.06  clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y, 
% 0.42/1.06    X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) )
% 0.42/1.06     ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.42/1.06    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 9, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) ), X
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 10, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) ), 
% 0.42/1.06    X ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 15, [ ~( =( 'least_upper_bound'( 'least_upper_bound'( b, a ), b ), 
% 0.42/1.06    'least_upper_bound'( a, b ) ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 19, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.42/1.06    X ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 35, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.42/1.06    'least_upper_bound'( X, Y ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 69, [ ~( =( 'least_upper_bound'( a, b ), 'least_upper_bound'( b, a
% 0.42/1.06     ) ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 76, [] )
% 0.42/1.06  .
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  % SZS output end Refutation
% 0.42/1.06  found a proof!
% 0.42/1.06  
% 0.42/1.06  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.42/1.06  
% 0.42/1.06  initialclauses(
% 0.42/1.06  [ clause( 78, [ =( multiply( identity, X ), X ) ] )
% 0.42/1.06  , clause( 79, [ =( multiply( inverse( X ), X ), identity ) ] )
% 0.42/1.06  , clause( 80, [ =( multiply( multiply( X, Y ), Z ), multiply( X, multiply( 
% 0.42/1.06    Y, Z ) ) ) ] )
% 0.42/1.06  , clause( 81, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( 
% 0.42/1.06    Y, X ) ) ] )
% 0.42/1.06  , clause( 82, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 83, [ =( 'greatest_lower_bound'( X, 'greatest_lower_bound'( Y, Z
% 0.42/1.06     ) ), 'greatest_lower_bound'( 'greatest_lower_bound'( X, Y ), Z ) ) ] )
% 0.42/1.06  , clause( 84, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.42/1.06    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.42/1.06  , clause( 85, [ =( 'least_upper_bound'( X, X ), X ) ] )
% 0.42/1.06  , clause( 86, [ =( 'greatest_lower_bound'( X, X ), X ) ] )
% 0.42/1.06  , clause( 87, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , clause( 88, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , clause( 89, [ =( multiply( X, 'least_upper_bound'( Y, Z ) ), 
% 0.42/1.06    'least_upper_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ] )
% 0.42/1.06  , clause( 90, [ =( multiply( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.42/1.06    'greatest_lower_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ] )
% 0.42/1.06  , clause( 91, [ =( multiply( 'least_upper_bound'( X, Y ), Z ), 
% 0.42/1.06    'least_upper_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ] )
% 0.42/1.06  , clause( 92, [ =( multiply( 'greatest_lower_bound'( X, Y ), Z ), 
% 0.42/1.06    'greatest_lower_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ] )
% 0.42/1.06  , clause( 93, [ ~( =( 'least_upper_bound'( b, 'least_upper_bound'( a, b ) )
% 0.42/1.06    , 'least_upper_bound'( a, b ) ) ) ] )
% 0.42/1.06  ] ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y, 
% 0.42/1.06    X ) ) ] )
% 0.42/1.06  , clause( 81, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( 
% 0.42/1.06    Y, X ) ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.42/1.06     )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) )
% 0.42/1.06     ] )
% 0.42/1.06  , clause( 82, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.42/1.06     ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.42/1.06     )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.42/1.06    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.42/1.06  , clause( 84, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.42/1.06    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.42/1.06    permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 9, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) ), X
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 87, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.42/1.06     )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 10, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) ), 
% 0.42/1.06    X ) ] )
% 0.42/1.06  , clause( 88, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.42/1.06     )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  paramod(
% 0.42/1.06  clause( 154, [ ~( =( 'least_upper_bound'( 'least_upper_bound'( b, a ), b )
% 0.42/1.06    , 'least_upper_bound'( a, b ) ) ) ] )
% 0.42/1.06  , clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.42/1.06    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.42/1.06  , 0, clause( 93, [ ~( =( 'least_upper_bound'( b, 'least_upper_bound'( a, b
% 0.42/1.06     ) ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [ :=( X, b ), :=( Y, a ), :=( Z, b )] ), 
% 0.42/1.06    substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 15, [ ~( =( 'least_upper_bound'( 'least_upper_bound'( b, a ), b ), 
% 0.42/1.06    'least_upper_bound'( a, b ) ) ) ] )
% 0.42/1.06  , clause( 154, [ ~( =( 'least_upper_bound'( 'least_upper_bound'( b, a ), b
% 0.42/1.06     ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  eqswap(
% 0.42/1.06  clause( 156, [ =( X, 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y )
% 0.42/1.06     ) ) ] )
% 0.42/1.06  , clause( 10, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  paramod(
% 0.42/1.06  clause( 157, [ =( X, 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X
% 0.42/1.06     ) ) ] )
% 0.42/1.06  , clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y
% 0.42/1.06    , X ) ) ] )
% 0.42/1.06  , 0, clause( 156, [ =( X, 'greatest_lower_bound'( X, 'least_upper_bound'( X
% 0.42/1.06    , Y ) ) ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [ :=( X, X ), :=( Y, 'least_upper_bound'( X, Y ) )] )
% 0.42/1.06    , substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  eqswap(
% 0.42/1.06  clause( 160, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , clause( 157, [ =( X, 'greatest_lower_bound'( 'least_upper_bound'( X, Y )
% 0.42/1.06    , X ) ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 19, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.42/1.06    X ) ] )
% 0.42/1.06  , clause( 160, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X
% 0.42/1.06     ), X ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.42/1.06     )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  eqswap(
% 0.42/1.06  clause( 162, [ =( X, 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y )
% 0.42/1.06     ) ) ] )
% 0.42/1.06  , clause( 9, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  paramod(
% 0.42/1.06  clause( 165, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( 
% 0.42/1.06    'least_upper_bound'( X, Y ), X ) ) ] )
% 0.42/1.06  , clause( 19, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X )
% 0.42/1.06    , X ) ] )
% 0.42/1.06  , 0, clause( 162, [ =( X, 'least_upper_bound'( X, 'greatest_lower_bound'( X
% 0.42/1.06    , Y ) ) ) ] )
% 0.42/1.06  , 0, 8, substitution( 0, [ :=( X, X ), :=( Y, Y )] ), substitution( 1, [ 
% 0.42/1.06    :=( X, 'least_upper_bound'( X, Y ) ), :=( Y, X )] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  eqswap(
% 0.42/1.06  clause( 166, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.42/1.06    'least_upper_bound'( X, Y ) ) ] )
% 0.42/1.06  , clause( 165, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( 
% 0.42/1.06    'least_upper_bound'( X, Y ), X ) ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 35, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.42/1.06    'least_upper_bound'( X, Y ) ) ] )
% 0.42/1.06  , clause( 166, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.42/1.06    'least_upper_bound'( X, Y ) ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.42/1.06     )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  paramod(
% 0.42/1.06  clause( 169, [ ~( =( 'least_upper_bound'( b, a ), 'least_upper_bound'( a, b
% 0.42/1.06     ) ) ) ] )
% 0.42/1.06  , clause( 35, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.42/1.06    'least_upper_bound'( X, Y ) ) ] )
% 0.42/1.06  , 0, clause( 15, [ ~( =( 'least_upper_bound'( 'least_upper_bound'( b, a ), 
% 0.42/1.06    b ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [ :=( X, b ), :=( Y, a )] ), substitution( 1, [] )
% 0.42/1.06    ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  eqswap(
% 0.42/1.06  clause( 170, [ ~( =( 'least_upper_bound'( a, b ), 'least_upper_bound'( b, a
% 0.42/1.06     ) ) ) ] )
% 0.42/1.06  , clause( 169, [ ~( =( 'least_upper_bound'( b, a ), 'least_upper_bound'( a
% 0.42/1.06    , b ) ) ) ] )
% 0.42/1.06  , 0, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 69, [ ~( =( 'least_upper_bound'( a, b ), 'least_upper_bound'( b, a
% 0.42/1.06     ) ) ) ] )
% 0.42/1.06  , clause( 170, [ ~( =( 'least_upper_bound'( a, b ), 'least_upper_bound'( b
% 0.42/1.06    , a ) ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  eqswap(
% 0.42/1.06  clause( 171, [ ~( =( 'least_upper_bound'( b, a ), 'least_upper_bound'( a, b
% 0.42/1.06     ) ) ) ] )
% 0.42/1.06  , clause( 69, [ ~( =( 'least_upper_bound'( a, b ), 'least_upper_bound'( b, 
% 0.42/1.06    a ) ) ) ] )
% 0.42/1.06  , 0, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  paramod(
% 0.42/1.06  clause( 173, [ ~( =( 'least_upper_bound'( b, a ), 'least_upper_bound'( b, a
% 0.42/1.06     ) ) ) ] )
% 0.42/1.06  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.42/1.06     ) ] )
% 0.42/1.06  , 0, clause( 171, [ ~( =( 'least_upper_bound'( b, a ), 'least_upper_bound'( 
% 0.42/1.06    a, b ) ) ) ] )
% 0.42/1.06  , 0, 5, substitution( 0, [ :=( X, a ), :=( Y, b )] ), substitution( 1, [] )
% 0.42/1.06    ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  eqrefl(
% 0.42/1.06  clause( 176, [] )
% 0.42/1.06  , clause( 173, [ ~( =( 'least_upper_bound'( b, a ), 'least_upper_bound'( b
% 0.42/1.06    , a ) ) ) ] )
% 0.42/1.06  , 0, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 76, [] )
% 0.42/1.06  , clause( 176, [] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  end.
% 0.42/1.06  
% 0.42/1.06  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.42/1.06  
% 0.42/1.06  Memory use:
% 0.42/1.06  
% 0.42/1.06  space for terms:        1190
% 0.42/1.06  space for clauses:      8659
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  clauses generated:      389
% 0.42/1.06  clauses kept:           77
% 0.42/1.06  clauses selected:       26
% 0.42/1.06  clauses deleted:        1
% 0.42/1.06  clauses inuse deleted:  0
% 0.42/1.06  
% 0.42/1.06  subsentry:          385
% 0.42/1.06  literals s-matched: 187
% 0.42/1.06  literals matched:   187
% 0.42/1.06  full subsumption:   0
% 0.42/1.06  
% 0.42/1.06  checksum:           -789788558
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Bliksem ended
%------------------------------------------------------------------------------