TSTP Solution File: GRP162-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP162-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n026.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 07:35:39 EDT 2022

% Result   : Unsatisfiable 0.48s 1.14s
% Output   : Refutation 0.48s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : GRP162-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.08/0.14  % Command  : bliksem %s
% 0.14/0.35  % Computer : n026.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % DateTime : Mon Jun 13 05:21:20 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.48/1.14  *** allocated 10000 integers for termspace/termends
% 0.48/1.14  *** allocated 10000 integers for clauses
% 0.48/1.14  *** allocated 10000 integers for justifications
% 0.48/1.14  Bliksem 1.12
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  Automatic Strategy Selection
% 0.48/1.14  
% 0.48/1.14  Clauses:
% 0.48/1.14  [
% 0.48/1.14     [ =( multiply( identity, X ), X ) ],
% 0.48/1.14     [ =( multiply( inverse( X ), X ), identity ) ],
% 0.48/1.14     [ =( multiply( multiply( X, Y ), Z ), multiply( X, multiply( Y, Z ) ) )
% 0.48/1.14     ],
% 0.48/1.14     [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y, X ) ) ]
% 0.48/1.14    ,
% 0.48/1.14     [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) ) ],
% 0.48/1.14     [ =( 'greatest_lower_bound'( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.48/1.14    'greatest_lower_bound'( 'greatest_lower_bound'( X, Y ), Z ) ) ],
% 0.48/1.14     [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ],
% 0.48/1.14     [ =( 'least_upper_bound'( X, X ), X ) ],
% 0.48/1.14     [ =( 'greatest_lower_bound'( X, X ), X ) ],
% 0.48/1.14     [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) ), X ) ]
% 0.48/1.14    ,
% 0.48/1.14     [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) ), X ) ]
% 0.48/1.14    ,
% 0.48/1.14     [ =( multiply( X, 'least_upper_bound'( Y, Z ) ), 'least_upper_bound'( 
% 0.48/1.14    multiply( X, Y ), multiply( X, Z ) ) ) ],
% 0.48/1.14     [ =( multiply( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.48/1.14    'greatest_lower_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ],
% 0.48/1.14     [ =( multiply( 'least_upper_bound'( X, Y ), Z ), 'least_upper_bound'( 
% 0.48/1.14    multiply( X, Z ), multiply( Y, Z ) ) ) ],
% 0.48/1.14     [ =( multiply( 'greatest_lower_bound'( X, Y ), Z ), 
% 0.48/1.14    'greatest_lower_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ],
% 0.48/1.14     [ =( 'least_upper_bound'( a, b ), b ) ],
% 0.48/1.14     [ =( 'least_upper_bound'( b, c ), c ) ],
% 0.48/1.14     [ ~( =( 'least_upper_bound'( a, c ), c ) ) ]
% 0.48/1.14  ] .
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  percentage equality = 1.000000, percentage horn = 1.000000
% 0.48/1.14  This is a pure equality problem
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  Options Used:
% 0.48/1.14  
% 0.48/1.14  useres =            1
% 0.48/1.14  useparamod =        1
% 0.48/1.14  useeqrefl =         1
% 0.48/1.14  useeqfact =         1
% 0.48/1.14  usefactor =         1
% 0.48/1.14  usesimpsplitting =  0
% 0.48/1.14  usesimpdemod =      5
% 0.48/1.14  usesimpres =        3
% 0.48/1.14  
% 0.48/1.14  resimpinuse      =  1000
% 0.48/1.14  resimpclauses =     20000
% 0.48/1.14  substype =          eqrewr
% 0.48/1.14  backwardsubs =      1
% 0.48/1.14  selectoldest =      5
% 0.48/1.14  
% 0.48/1.14  litorderings [0] =  split
% 0.48/1.14  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.48/1.14  
% 0.48/1.14  termordering =      kbo
% 0.48/1.14  
% 0.48/1.14  litapriori =        0
% 0.48/1.14  termapriori =       1
% 0.48/1.14  litaposteriori =    0
% 0.48/1.14  termaposteriori =   0
% 0.48/1.14  demodaposteriori =  0
% 0.48/1.14  ordereqreflfact =   0
% 0.48/1.14  
% 0.48/1.14  litselect =         negord
% 0.48/1.14  
% 0.48/1.14  maxweight =         15
% 0.48/1.14  maxdepth =          30000
% 0.48/1.14  maxlength =         115
% 0.48/1.14  maxnrvars =         195
% 0.48/1.14  excuselevel =       1
% 0.48/1.14  increasemaxweight = 1
% 0.48/1.14  
% 0.48/1.14  maxselected =       10000000
% 0.48/1.14  maxnrclauses =      10000000
% 0.48/1.14  
% 0.48/1.14  showgenerated =    0
% 0.48/1.14  showkept =         0
% 0.48/1.14  showselected =     0
% 0.48/1.14  showdeleted =      0
% 0.48/1.14  showresimp =       1
% 0.48/1.14  showstatus =       2000
% 0.48/1.14  
% 0.48/1.14  prologoutput =     1
% 0.48/1.14  nrgoals =          5000000
% 0.48/1.14  totalproof =       1
% 0.48/1.14  
% 0.48/1.14  Symbols occurring in the translation:
% 0.48/1.14  
% 0.48/1.14  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.48/1.14  .  [1, 2]      (w:1, o:22, a:1, s:1, b:0), 
% 0.48/1.14  !  [4, 1]      (w:0, o:16, a:1, s:1, b:0), 
% 0.48/1.14  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.48/1.14  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.48/1.14  identity  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.48/1.14  multiply  [41, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.48/1.14  inverse  [42, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.48/1.14  'greatest_lower_bound'  [45, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.48/1.14  'least_upper_bound'  [46, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.48/1.14  a  [47, 0]      (w:1, o:13, a:1, s:1, b:0), 
% 0.48/1.14  b  [48, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.48/1.14  c  [49, 0]      (w:1, o:15, a:1, s:1, b:0).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  Starting Search:
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  Bliksems!, er is een bewijs:
% 0.48/1.14  % SZS status Unsatisfiable
% 0.48/1.14  % SZS output start Refutation
% 0.48/1.14  
% 0.48/1.14  clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) )
% 0.48/1.14     ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 15, [ =( 'least_upper_bound'( a, b ), b ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 16, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 17, [ ~( =( 'least_upper_bound'( a, c ), c ) ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 18, [ =( 'least_upper_bound'( b, a ), b ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 19, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 44, [ =( 'least_upper_bound'( 'least_upper_bound'( X, c ), b ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 105, [ =( 'least_upper_bound'( 'least_upper_bound'( b, X ), c ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 132, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.48/1.14  .
% 0.48/1.14  clause( 133, [] )
% 0.48/1.14  .
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  % SZS output end Refutation
% 0.48/1.14  found a proof!
% 0.48/1.14  
% 0.48/1.14  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.48/1.14  
% 0.48/1.14  initialclauses(
% 0.48/1.14  [ clause( 135, [ =( multiply( identity, X ), X ) ] )
% 0.48/1.14  , clause( 136, [ =( multiply( inverse( X ), X ), identity ) ] )
% 0.48/1.14  , clause( 137, [ =( multiply( multiply( X, Y ), Z ), multiply( X, multiply( 
% 0.48/1.14    Y, Z ) ) ) ] )
% 0.48/1.14  , clause( 138, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( 
% 0.48/1.14    Y, X ) ) ] )
% 0.48/1.14  , clause( 139, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X
% 0.48/1.14     ) ) ] )
% 0.48/1.14  , clause( 140, [ =( 'greatest_lower_bound'( X, 'greatest_lower_bound'( Y, Z
% 0.48/1.14     ) ), 'greatest_lower_bound'( 'greatest_lower_bound'( X, Y ), Z ) ) ] )
% 0.48/1.14  , clause( 141, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.48/1.14  , clause( 142, [ =( 'least_upper_bound'( X, X ), X ) ] )
% 0.48/1.14  , clause( 143, [ =( 'greatest_lower_bound'( X, X ), X ) ] )
% 0.48/1.14  , clause( 144, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y )
% 0.48/1.14     ), X ) ] )
% 0.48/1.14  , clause( 145, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y )
% 0.48/1.14     ), X ) ] )
% 0.48/1.14  , clause( 146, [ =( multiply( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ] )
% 0.48/1.14  , clause( 147, [ =( multiply( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.48/1.14    'greatest_lower_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ] )
% 0.48/1.14  , clause( 148, [ =( multiply( 'least_upper_bound'( X, Y ), Z ), 
% 0.48/1.14    'least_upper_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ] )
% 0.48/1.14  , clause( 149, [ =( multiply( 'greatest_lower_bound'( X, Y ), Z ), 
% 0.48/1.14    'greatest_lower_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ] )
% 0.48/1.14  , clause( 150, [ =( 'least_upper_bound'( a, b ), b ) ] )
% 0.48/1.14  , clause( 151, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.48/1.14  , clause( 152, [ ~( =( 'least_upper_bound'( a, c ), c ) ) ] )
% 0.48/1.14  ] ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) )
% 0.48/1.14     ] )
% 0.48/1.14  , clause( 139, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X
% 0.48/1.14     ) ) ] )
% 0.48/1.14  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.48/1.14     )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.48/1.14  , clause( 141, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.48/1.14  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.48/1.14    permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 15, [ =( 'least_upper_bound'( a, b ), b ) ] )
% 0.48/1.14  , clause( 150, [ =( 'least_upper_bound'( a, b ), b ) ] )
% 0.48/1.14  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 16, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.48/1.14  , clause( 151, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.48/1.14  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 17, [ ~( =( 'least_upper_bound'( a, c ), c ) ) ] )
% 0.48/1.14  , clause( 152, [ ~( =( 'least_upper_bound'( a, c ), c ) ) ] )
% 0.48/1.14  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 206, [ =( b, 'least_upper_bound'( a, b ) ) ] )
% 0.48/1.14  , clause( 15, [ =( 'least_upper_bound'( a, b ), b ) ] )
% 0.48/1.14  , 0, substitution( 0, [] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  paramod(
% 0.48/1.14  clause( 207, [ =( b, 'least_upper_bound'( b, a ) ) ] )
% 0.48/1.14  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.48/1.14     ) ] )
% 0.48/1.14  , 0, clause( 206, [ =( b, 'least_upper_bound'( a, b ) ) ] )
% 0.48/1.14  , 0, 2, substitution( 0, [ :=( X, a ), :=( Y, b )] ), substitution( 1, [] )
% 0.48/1.14    ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 210, [ =( 'least_upper_bound'( b, a ), b ) ] )
% 0.48/1.14  , clause( 207, [ =( b, 'least_upper_bound'( b, a ) ) ] )
% 0.48/1.14  , 0, substitution( 0, [] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 18, [ =( 'least_upper_bound'( b, a ), b ) ] )
% 0.48/1.14  , clause( 210, [ =( 'least_upper_bound'( b, a ), b ) ] )
% 0.48/1.14  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 211, [ =( c, 'least_upper_bound'( b, c ) ) ] )
% 0.48/1.14  , clause( 16, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.48/1.14  , 0, substitution( 0, [] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  paramod(
% 0.48/1.14  clause( 212, [ =( c, 'least_upper_bound'( c, b ) ) ] )
% 0.48/1.14  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.48/1.14     ) ] )
% 0.48/1.14  , 0, clause( 211, [ =( c, 'least_upper_bound'( b, c ) ) ] )
% 0.48/1.14  , 0, 2, substitution( 0, [ :=( X, b ), :=( Y, c )] ), substitution( 1, [] )
% 0.48/1.14    ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 215, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.48/1.14  , clause( 212, [ =( c, 'least_upper_bound'( c, b ) ) ] )
% 0.48/1.14  , 0, substitution( 0, [] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 19, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.48/1.14  , clause( 215, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.48/1.14  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 217, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ), 
% 0.48/1.14    'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ) ) ] )
% 0.48/1.14  , clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.48/1.14  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  paramod(
% 0.48/1.14  clause( 219, [ =( 'least_upper_bound'( 'least_upper_bound'( X, c ), b ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , clause( 19, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.48/1.14  , 0, clause( 217, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), Z
% 0.48/1.14     ), 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ) ) ] )
% 0.48/1.14  , 0, 8, substitution( 0, [] ), substitution( 1, [ :=( X, X ), :=( Y, c ), 
% 0.48/1.14    :=( Z, b )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 44, [ =( 'least_upper_bound'( 'least_upper_bound'( X, c ), b ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , clause( 219, [ =( 'least_upper_bound'( 'least_upper_bound'( X, c ), b ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 222, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( 
% 0.48/1.14    'least_upper_bound'( X, c ), b ) ) ] )
% 0.48/1.14  , clause( 44, [ =( 'least_upper_bound'( 'least_upper_bound'( X, c ), b ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , 0, substitution( 0, [ :=( X, X )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  paramod(
% 0.48/1.14  clause( 226, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( b, 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ) ] )
% 0.48/1.14  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.48/1.14     ) ] )
% 0.48/1.14  , 0, clause( 222, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( 
% 0.48/1.14    'least_upper_bound'( X, c ), b ) ) ] )
% 0.48/1.14  , 0, 4, substitution( 0, [ :=( X, 'least_upper_bound'( X, c ) ), :=( Y, b )] )
% 0.48/1.14    , substitution( 1, [ :=( X, X )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  paramod(
% 0.48/1.14  clause( 232, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( 
% 0.48/1.14    'least_upper_bound'( b, X ), c ) ) ] )
% 0.48/1.14  , clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.48/1.14    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.48/1.14  , 0, clause( 226, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( b
% 0.48/1.14    , 'least_upper_bound'( X, c ) ) ) ] )
% 0.48/1.14  , 0, 4, substitution( 0, [ :=( X, b ), :=( Y, X ), :=( Z, c )] ), 
% 0.48/1.14    substitution( 1, [ :=( X, X )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 233, [ =( 'least_upper_bound'( 'least_upper_bound'( b, X ), c ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , clause( 232, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( 
% 0.48/1.14    'least_upper_bound'( b, X ), c ) ) ] )
% 0.48/1.14  , 0, substitution( 0, [ :=( X, X )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 105, [ =( 'least_upper_bound'( 'least_upper_bound'( b, X ), c ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , clause( 233, [ =( 'least_upper_bound'( 'least_upper_bound'( b, X ), c ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  eqswap(
% 0.48/1.14  clause( 235, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( 
% 0.48/1.14    'least_upper_bound'( b, X ), c ) ) ] )
% 0.48/1.14  , clause( 105, [ =( 'least_upper_bound'( 'least_upper_bound'( b, X ), c ), 
% 0.48/1.14    'least_upper_bound'( X, c ) ) ] )
% 0.48/1.14  , 0, substitution( 0, [ :=( X, X )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  paramod(
% 0.48/1.14  clause( 237, [ =( 'least_upper_bound'( a, c ), 'least_upper_bound'( b, c )
% 0.48/1.14     ) ] )
% 0.48/1.14  , clause( 18, [ =( 'least_upper_bound'( b, a ), b ) ] )
% 0.48/1.14  , 0, clause( 235, [ =( 'least_upper_bound'( X, c ), 'least_upper_bound'( 
% 0.48/1.14    'least_upper_bound'( b, X ), c ) ) ] )
% 0.48/1.14  , 0, 5, substitution( 0, [] ), substitution( 1, [ :=( X, a )] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  paramod(
% 0.48/1.14  clause( 238, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.48/1.14  , clause( 16, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.48/1.14  , 0, clause( 237, [ =( 'least_upper_bound'( a, c ), 'least_upper_bound'( b
% 0.48/1.14    , c ) ) ] )
% 0.48/1.14  , 0, 4, substitution( 0, [] ), substitution( 1, [] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 132, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.48/1.14  , clause( 238, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.48/1.14  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  resolution(
% 0.48/1.14  clause( 242, [] )
% 0.48/1.14  , clause( 17, [ ~( =( 'least_upper_bound'( a, c ), c ) ) ] )
% 0.48/1.14  , 0, clause( 132, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.48/1.14  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  subsumption(
% 0.48/1.14  clause( 133, [] )
% 0.48/1.14  , clause( 242, [] )
% 0.48/1.14  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  end.
% 0.48/1.14  
% 0.48/1.14  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.48/1.14  
% 0.48/1.14  Memory use:
% 0.48/1.14  
% 0.48/1.14  space for terms:        1761
% 0.48/1.14  space for clauses:      14131
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  clauses generated:      719
% 0.48/1.14  clauses kept:           134
% 0.48/1.14  clauses selected:       44
% 0.48/1.14  clauses deleted:        1
% 0.48/1.14  clauses inuse deleted:  0
% 0.48/1.14  
% 0.48/1.14  subsentry:          621
% 0.48/1.14  literals s-matched: 271
% 0.48/1.14  literals matched:   271
% 0.48/1.14  full subsumption:   0
% 0.48/1.14  
% 0.48/1.14  checksum:           1724789008
% 0.48/1.14  
% 0.48/1.14  
% 0.48/1.14  Bliksem ended
%------------------------------------------------------------------------------