TSTP Solution File: GRP147-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP147-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n013.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 07:35:34 EDT 2022

% Result   : Unsatisfiable 0.84s 1.22s
% Output   : Refutation 0.84s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : GRP147-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.10/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n013.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 : Mon Jun 13 16:33:59 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.84/1.22  *** allocated 10000 integers for termspace/termends
% 0.84/1.22  *** allocated 10000 integers for clauses
% 0.84/1.22  *** allocated 10000 integers for justifications
% 0.84/1.22  Bliksem 1.12
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  Automatic Strategy Selection
% 0.84/1.22  
% 0.84/1.22  Clauses:
% 0.84/1.22  [
% 0.84/1.22     [ =( multiply( identity, X ), X ) ],
% 0.84/1.22     [ =( multiply( inverse( X ), X ), identity ) ],
% 0.84/1.22     [ =( multiply( multiply( X, Y ), Z ), multiply( X, multiply( Y, Z ) ) )
% 0.84/1.22     ],
% 0.84/1.22     [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y, X ) ) ]
% 0.84/1.22    ,
% 0.84/1.22     [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) ) ],
% 0.84/1.22     [ =( 'greatest_lower_bound'( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.84/1.22    'greatest_lower_bound'( 'greatest_lower_bound'( X, Y ), Z ) ) ],
% 0.84/1.22     [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.84/1.22    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ],
% 0.84/1.22     [ =( 'least_upper_bound'( X, X ), X ) ],
% 0.84/1.22     [ =( 'greatest_lower_bound'( X, X ), X ) ],
% 0.84/1.22     [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) ), X ) ]
% 0.84/1.22    ,
% 0.84/1.22     [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) ), X ) ]
% 0.84/1.22    ,
% 0.84/1.22     [ =( multiply( X, 'least_upper_bound'( Y, Z ) ), 'least_upper_bound'( 
% 0.84/1.22    multiply( X, Y ), multiply( X, Z ) ) ) ],
% 0.84/1.22     [ =( multiply( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.84/1.22    'greatest_lower_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ],
% 0.84/1.22     [ =( multiply( 'least_upper_bound'( X, Y ), Z ), 'least_upper_bound'( 
% 0.84/1.22    multiply( X, Z ), multiply( Y, Z ) ) ) ],
% 0.84/1.22     [ =( multiply( 'greatest_lower_bound'( X, Y ), Z ), 
% 0.84/1.22    'greatest_lower_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ],
% 0.84/1.22     [ =( 'greatest_lower_bound'( a, c ), a ) ],
% 0.84/1.22     [ =( 'greatest_lower_bound'( b, c ), b ) ],
% 0.84/1.22     [ ~( =( 'greatest_lower_bound'( 'least_upper_bound'( a, b ), c ), 
% 0.84/1.22    'least_upper_bound'( a, b ) ) ) ]
% 0.84/1.22  ] .
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  percentage equality = 1.000000, percentage horn = 1.000000
% 0.84/1.22  This is a pure equality problem
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  Options Used:
% 0.84/1.22  
% 0.84/1.22  useres =            1
% 0.84/1.22  useparamod =        1
% 0.84/1.22  useeqrefl =         1
% 0.84/1.22  useeqfact =         1
% 0.84/1.22  usefactor =         1
% 0.84/1.22  usesimpsplitting =  0
% 0.84/1.22  usesimpdemod =      5
% 0.84/1.22  usesimpres =        3
% 0.84/1.22  
% 0.84/1.22  resimpinuse      =  1000
% 0.84/1.22  resimpclauses =     20000
% 0.84/1.22  substype =          eqrewr
% 0.84/1.22  backwardsubs =      1
% 0.84/1.22  selectoldest =      5
% 0.84/1.22  
% 0.84/1.22  litorderings [0] =  split
% 0.84/1.22  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.84/1.22  
% 0.84/1.22  termordering =      kbo
% 0.84/1.22  
% 0.84/1.22  litapriori =        0
% 0.84/1.22  termapriori =       1
% 0.84/1.22  litaposteriori =    0
% 0.84/1.22  termaposteriori =   0
% 0.84/1.22  demodaposteriori =  0
% 0.84/1.22  ordereqreflfact =   0
% 0.84/1.22  
% 0.84/1.22  litselect =         negord
% 0.84/1.22  
% 0.84/1.22  maxweight =         15
% 0.84/1.22  maxdepth =          30000
% 0.84/1.22  maxlength =         115
% 0.84/1.22  maxnrvars =         195
% 0.84/1.22  excuselevel =       1
% 0.84/1.22  increasemaxweight = 1
% 0.84/1.22  
% 0.84/1.22  maxselected =       10000000
% 0.84/1.22  maxnrclauses =      10000000
% 0.84/1.22  
% 0.84/1.22  showgenerated =    0
% 0.84/1.22  showkept =         0
% 0.84/1.22  showselected =     0
% 0.84/1.22  showdeleted =      0
% 0.84/1.22  showresimp =       1
% 0.84/1.22  showstatus =       2000
% 0.84/1.22  
% 0.84/1.22  prologoutput =     1
% 0.84/1.22  nrgoals =          5000000
% 0.84/1.22  totalproof =       1
% 0.84/1.22  
% 0.84/1.22  Symbols occurring in the translation:
% 0.84/1.22  
% 0.84/1.22  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.84/1.22  .  [1, 2]      (w:1, o:22, a:1, s:1, b:0), 
% 0.84/1.22  !  [4, 1]      (w:0, o:16, a:1, s:1, b:0), 
% 0.84/1.22  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.84/1.22  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.84/1.22  identity  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.84/1.22  multiply  [41, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.84/1.22  inverse  [42, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.84/1.22  'greatest_lower_bound'  [45, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.84/1.22  'least_upper_bound'  [46, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.84/1.22  a  [47, 0]      (w:1, o:13, a:1, s:1, b:0), 
% 0.84/1.22  c  [48, 0]      (w:1, o:15, a:1, s:1, b:0), 
% 0.84/1.22  b  [49, 0]      (w:1, o:14, a:1, s:1, b:0).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  Starting Search:
% 0.84/1.22  
% 0.84/1.22  Resimplifying inuse:
% 0.84/1.22  Done
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  Bliksems!, er is een bewijs:
% 0.84/1.22  % SZS status Unsatisfiable
% 0.84/1.22  % SZS output start Refutation
% 0.84/1.22  
% 0.84/1.22  clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y, 
% 0.84/1.22    X ) ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) )
% 0.84/1.22     ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.84/1.22    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 9, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) ), X
% 0.84/1.22     ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 10, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) ), 
% 0.84/1.22    X ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 15, [ =( 'greatest_lower_bound'( a, c ), a ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 16, [ =( 'greatest_lower_bound'( b, c ), b ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 17, [ ~( =( 'greatest_lower_bound'( 'least_upper_bound'( a, b ), c
% 0.84/1.22     ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 18, [ =( 'greatest_lower_bound'( c, a ), a ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 19, [ =( 'greatest_lower_bound'( c, b ), b ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 23, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.84/1.22    X ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 44, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 45, [ =( 'least_upper_bound'( c, a ), c ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 48, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 49, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 60, [ =( 'least_upper_bound'( 'least_upper_bound'( X, a ), c ), 
% 0.84/1.22    'least_upper_bound'( X, c ) ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 93, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, c ), 
% 0.84/1.22    'least_upper_bound'( X, a ) ), 'least_upper_bound'( X, a ) ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 141, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( a, b )
% 0.84/1.22     ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 227, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( b, a )
% 0.84/1.22     ), 'least_upper_bound'( b, a ) ) ) ] )
% 0.84/1.22  .
% 0.84/1.22  clause( 1843, [] )
% 0.84/1.22  .
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  % SZS output end Refutation
% 0.84/1.22  found a proof!
% 0.84/1.22  
% 0.84/1.22  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.84/1.22  
% 0.84/1.22  initialclauses(
% 0.84/1.22  [ clause( 1845, [ =( multiply( identity, X ), X ) ] )
% 0.84/1.22  , clause( 1846, [ =( multiply( inverse( X ), X ), identity ) ] )
% 0.84/1.22  , clause( 1847, [ =( multiply( multiply( X, Y ), Z ), multiply( X, multiply( 
% 0.84/1.22    Y, Z ) ) ) ] )
% 0.84/1.22  , clause( 1848, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( 
% 0.84/1.22    Y, X ) ) ] )
% 0.84/1.22  , clause( 1849, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X
% 0.84/1.22     ) ) ] )
% 0.84/1.22  , clause( 1850, [ =( 'greatest_lower_bound'( X, 'greatest_lower_bound'( Y, 
% 0.84/1.22    Z ) ), 'greatest_lower_bound'( 'greatest_lower_bound'( X, Y ), Z ) ) ] )
% 0.84/1.22  , clause( 1851, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) )
% 0.84/1.22    , 'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.84/1.22  , clause( 1852, [ =( 'least_upper_bound'( X, X ), X ) ] )
% 0.84/1.22  , clause( 1853, [ =( 'greatest_lower_bound'( X, X ), X ) ] )
% 0.84/1.22  , clause( 1854, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y )
% 0.84/1.22     ), X ) ] )
% 0.84/1.22  , clause( 1855, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y )
% 0.84/1.22     ), X ) ] )
% 0.84/1.22  , clause( 1856, [ =( multiply( X, 'least_upper_bound'( Y, Z ) ), 
% 0.84/1.22    'least_upper_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ] )
% 0.84/1.22  , clause( 1857, [ =( multiply( X, 'greatest_lower_bound'( Y, Z ) ), 
% 0.84/1.22    'greatest_lower_bound'( multiply( X, Y ), multiply( X, Z ) ) ) ] )
% 0.84/1.22  , clause( 1858, [ =( multiply( 'least_upper_bound'( X, Y ), Z ), 
% 0.84/1.22    'least_upper_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ] )
% 0.84/1.22  , clause( 1859, [ =( multiply( 'greatest_lower_bound'( X, Y ), Z ), 
% 0.84/1.22    'greatest_lower_bound'( multiply( X, Z ), multiply( Y, Z ) ) ) ] )
% 0.84/1.22  , clause( 1860, [ =( 'greatest_lower_bound'( a, c ), a ) ] )
% 0.84/1.22  , clause( 1861, [ =( 'greatest_lower_bound'( b, c ), b ) ] )
% 0.84/1.22  , clause( 1862, [ ~( =( 'greatest_lower_bound'( 'least_upper_bound'( a, b )
% 0.84/1.22    , c ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  ] ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y, 
% 0.84/1.22    X ) ) ] )
% 0.84/1.22  , clause( 1848, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( 
% 0.84/1.22    Y, X ) ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.84/1.22     )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X ) )
% 0.84/1.22     ] )
% 0.84/1.22  , clause( 1849, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X
% 0.84/1.22     ) ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.84/1.22     )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.84/1.22    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.84/1.22  , clause( 1851, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) )
% 0.84/1.22    , 'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.84/1.22    permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 9, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) ), X
% 0.84/1.22     ) ] )
% 0.84/1.22  , clause( 1854, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y )
% 0.84/1.22     ), X ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.84/1.22     )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 10, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) ), 
% 0.84/1.22    X ) ] )
% 0.84/1.22  , clause( 1855, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y )
% 0.84/1.22     ), X ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.84/1.22     )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 15, [ =( 'greatest_lower_bound'( a, c ), a ) ] )
% 0.84/1.22  , clause( 1860, [ =( 'greatest_lower_bound'( a, c ), a ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 16, [ =( 'greatest_lower_bound'( b, c ), b ) ] )
% 0.84/1.22  , clause( 1861, [ =( 'greatest_lower_bound'( b, c ), b ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 17, [ ~( =( 'greatest_lower_bound'( 'least_upper_bound'( a, b ), c
% 0.84/1.22     ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  , clause( 1862, [ ~( =( 'greatest_lower_bound'( 'least_upper_bound'( a, b )
% 0.84/1.22    , c ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1936, [ =( a, 'greatest_lower_bound'( a, c ) ) ] )
% 0.84/1.22  , clause( 15, [ =( 'greatest_lower_bound'( a, c ), a ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1937, [ =( a, 'greatest_lower_bound'( c, a ) ) ] )
% 0.84/1.22  , clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y
% 0.84/1.22    , X ) ) ] )
% 0.84/1.22  , 0, clause( 1936, [ =( a, 'greatest_lower_bound'( a, c ) ) ] )
% 0.84/1.22  , 0, 2, substitution( 0, [ :=( X, a ), :=( Y, c )] ), substitution( 1, [] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1940, [ =( 'greatest_lower_bound'( c, a ), a ) ] )
% 0.84/1.22  , clause( 1937, [ =( a, 'greatest_lower_bound'( c, a ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 18, [ =( 'greatest_lower_bound'( c, a ), a ) ] )
% 0.84/1.22  , clause( 1940, [ =( 'greatest_lower_bound'( c, a ), a ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1941, [ =( b, 'greatest_lower_bound'( b, c ) ) ] )
% 0.84/1.22  , clause( 16, [ =( 'greatest_lower_bound'( b, c ), b ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1942, [ =( b, 'greatest_lower_bound'( c, b ) ) ] )
% 0.84/1.22  , clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y
% 0.84/1.22    , X ) ) ] )
% 0.84/1.22  , 0, clause( 1941, [ =( b, 'greatest_lower_bound'( b, c ) ) ] )
% 0.84/1.22  , 0, 2, substitution( 0, [ :=( X, b ), :=( Y, c )] ), substitution( 1, [] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1945, [ =( 'greatest_lower_bound'( c, b ), b ) ] )
% 0.84/1.22  , clause( 1942, [ =( b, 'greatest_lower_bound'( c, b ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 19, [ =( 'greatest_lower_bound'( c, b ), b ) ] )
% 0.84/1.22  , clause( 1945, [ =( 'greatest_lower_bound'( c, b ), b ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1946, [ =( X, 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y
% 0.84/1.22     ) ) ) ] )
% 0.84/1.22  , clause( 10, [ =( 'greatest_lower_bound'( X, 'least_upper_bound'( X, Y ) )
% 0.84/1.22    , X ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1947, [ =( X, 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), 
% 0.84/1.22    X ) ) ] )
% 0.84/1.22  , clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y
% 0.84/1.22    , X ) ) ] )
% 0.84/1.22  , 0, clause( 1946, [ =( X, 'greatest_lower_bound'( X, 'least_upper_bound'( 
% 0.84/1.22    X, Y ) ) ) ] )
% 0.84/1.22  , 0, 2, substitution( 0, [ :=( X, X ), :=( Y, 'least_upper_bound'( X, Y ) )] )
% 0.84/1.22    , substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1950, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X )
% 0.84/1.22    , X ) ] )
% 0.84/1.22  , clause( 1947, [ =( X, 'greatest_lower_bound'( 'least_upper_bound'( X, Y )
% 0.84/1.22    , X ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 23, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X ), 
% 0.84/1.22    X ) ] )
% 0.84/1.22  , clause( 1950, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X
% 0.84/1.22     ), X ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.84/1.22     )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1952, [ =( X, 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y
% 0.84/1.22     ) ) ) ] )
% 0.84/1.22  , clause( 9, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) )
% 0.84/1.22    , X ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1953, [ =( c, 'least_upper_bound'( c, b ) ) ] )
% 0.84/1.22  , clause( 19, [ =( 'greatest_lower_bound'( c, b ), b ) ] )
% 0.84/1.22  , 0, clause( 1952, [ =( X, 'least_upper_bound'( X, 'greatest_lower_bound'( 
% 0.84/1.22    X, Y ) ) ) ] )
% 0.84/1.22  , 0, 4, substitution( 0, [] ), substitution( 1, [ :=( X, c ), :=( Y, b )] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1954, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.84/1.22  , clause( 1953, [ =( c, 'least_upper_bound'( c, b ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 44, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.84/1.22  , clause( 1954, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1956, [ =( X, 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y
% 0.84/1.22     ) ) ) ] )
% 0.84/1.22  , clause( 9, [ =( 'least_upper_bound'( X, 'greatest_lower_bound'( X, Y ) )
% 0.84/1.22    , X ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1957, [ =( c, 'least_upper_bound'( c, a ) ) ] )
% 0.84/1.22  , clause( 18, [ =( 'greatest_lower_bound'( c, a ), a ) ] )
% 0.84/1.22  , 0, clause( 1956, [ =( X, 'least_upper_bound'( X, 'greatest_lower_bound'( 
% 0.84/1.22    X, Y ) ) ) ] )
% 0.84/1.22  , 0, 4, substitution( 0, [] ), substitution( 1, [ :=( X, c ), :=( Y, a )] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1958, [ =( 'least_upper_bound'( c, a ), c ) ] )
% 0.84/1.22  , clause( 1957, [ =( c, 'least_upper_bound'( c, a ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 45, [ =( 'least_upper_bound'( c, a ), c ) ] )
% 0.84/1.22  , clause( 1958, [ =( 'least_upper_bound'( c, a ), c ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1959, [ =( c, 'least_upper_bound'( c, b ) ) ] )
% 0.84/1.22  , clause( 44, [ =( 'least_upper_bound'( c, b ), c ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1960, [ =( c, 'least_upper_bound'( b, c ) ) ] )
% 0.84/1.22  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.84/1.22     ) ] )
% 0.84/1.22  , 0, clause( 1959, [ =( c, 'least_upper_bound'( c, b ) ) ] )
% 0.84/1.22  , 0, 2, substitution( 0, [ :=( X, c ), :=( Y, b )] ), substitution( 1, [] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1963, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.84/1.22  , clause( 1960, [ =( c, 'least_upper_bound'( b, c ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 48, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.84/1.22  , clause( 1963, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1964, [ =( c, 'least_upper_bound'( c, a ) ) ] )
% 0.84/1.22  , clause( 45, [ =( 'least_upper_bound'( c, a ), c ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1965, [ =( c, 'least_upper_bound'( a, c ) ) ] )
% 0.84/1.22  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.84/1.22     ) ] )
% 0.84/1.22  , 0, clause( 1964, [ =( c, 'least_upper_bound'( c, a ) ) ] )
% 0.84/1.22  , 0, 2, substitution( 0, [ :=( X, c ), :=( Y, a )] ), substitution( 1, [] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1968, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.84/1.22  , clause( 1965, [ =( c, 'least_upper_bound'( a, c ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 49, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.84/1.22  , clause( 1968, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1970, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ), 
% 0.84/1.22    'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ) ) ] )
% 0.84/1.22  , clause( 6, [ =( 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ), 
% 0.84/1.22    'least_upper_bound'( 'least_upper_bound'( X, Y ), Z ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1972, [ =( 'least_upper_bound'( 'least_upper_bound'( X, a ), c ), 
% 0.84/1.22    'least_upper_bound'( X, c ) ) ] )
% 0.84/1.22  , clause( 49, [ =( 'least_upper_bound'( a, c ), c ) ] )
% 0.84/1.22  , 0, clause( 1970, [ =( 'least_upper_bound'( 'least_upper_bound'( X, Y ), Z
% 0.84/1.22     ), 'least_upper_bound'( X, 'least_upper_bound'( Y, Z ) ) ) ] )
% 0.84/1.22  , 0, 8, substitution( 0, [] ), substitution( 1, [ :=( X, X ), :=( Y, a ), 
% 0.84/1.22    :=( Z, c )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 60, [ =( 'least_upper_bound'( 'least_upper_bound'( X, a ), c ), 
% 0.84/1.22    'least_upper_bound'( X, c ) ) ] )
% 0.84/1.22  , clause( 1972, [ =( 'least_upper_bound'( 'least_upper_bound'( X, a ), c )
% 0.84/1.22    , 'least_upper_bound'( X, c ) ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1976, [ =( X, 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), 
% 0.84/1.22    X ) ) ] )
% 0.84/1.22  , clause( 23, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, Y ), X )
% 0.84/1.22    , X ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1977, [ =( 'least_upper_bound'( X, a ), 'greatest_lower_bound'( 
% 0.84/1.22    'least_upper_bound'( X, c ), 'least_upper_bound'( X, a ) ) ) ] )
% 0.84/1.22  , clause( 60, [ =( 'least_upper_bound'( 'least_upper_bound'( X, a ), c ), 
% 0.84/1.22    'least_upper_bound'( X, c ) ) ] )
% 0.84/1.22  , 0, clause( 1976, [ =( X, 'greatest_lower_bound'( 'least_upper_bound'( X, 
% 0.84/1.22    Y ), X ) ) ] )
% 0.84/1.22  , 0, 5, substitution( 0, [ :=( X, X )] ), substitution( 1, [ :=( X, 
% 0.84/1.22    'least_upper_bound'( X, a ) ), :=( Y, c )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1978, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, c ), 
% 0.84/1.22    'least_upper_bound'( X, a ) ), 'least_upper_bound'( X, a ) ) ] )
% 0.84/1.22  , clause( 1977, [ =( 'least_upper_bound'( X, a ), 'greatest_lower_bound'( 
% 0.84/1.22    'least_upper_bound'( X, c ), 'least_upper_bound'( X, a ) ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 93, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, c ), 
% 0.84/1.22    'least_upper_bound'( X, a ) ), 'least_upper_bound'( X, a ) ) ] )
% 0.84/1.22  , clause( 1978, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, c ), 
% 0.84/1.22    'least_upper_bound'( X, a ) ), 'least_upper_bound'( X, a ) ) ] )
% 0.84/1.22  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1979, [ ~( =( 'least_upper_bound'( a, b ), 'greatest_lower_bound'( 
% 0.84/1.22    'least_upper_bound'( a, b ), c ) ) ) ] )
% 0.84/1.22  , clause( 17, [ ~( =( 'greatest_lower_bound'( 'least_upper_bound'( a, b ), 
% 0.84/1.22    c ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1980, [ ~( =( 'least_upper_bound'( a, b ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( a, b ) ) ) ) ] )
% 0.84/1.22  , clause( 3, [ =( 'greatest_lower_bound'( X, Y ), 'greatest_lower_bound'( Y
% 0.84/1.22    , X ) ) ] )
% 0.84/1.22  , 0, clause( 1979, [ ~( =( 'least_upper_bound'( a, b ), 
% 0.84/1.22    'greatest_lower_bound'( 'least_upper_bound'( a, b ), c ) ) ) ] )
% 0.84/1.22  , 0, 5, substitution( 0, [ :=( X, 'least_upper_bound'( a, b ) ), :=( Y, c )] )
% 0.84/1.22    , substitution( 1, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1983, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( a, b
% 0.84/1.22     ) ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  , clause( 1980, [ ~( =( 'least_upper_bound'( a, b ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( a, b ) ) ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 141, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( a, b )
% 0.84/1.22     ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  , clause( 1983, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( a, 
% 0.84/1.22    b ) ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1984, [ ~( =( 'least_upper_bound'( a, b ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( a, b ) ) ) ) ] )
% 0.84/1.22  , clause( 141, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( a, b
% 0.84/1.22     ) ), 'least_upper_bound'( a, b ) ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1986, [ ~( =( 'least_upper_bound'( a, b ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( b, a ) ) ) ) ] )
% 0.84/1.22  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.84/1.22     ) ] )
% 0.84/1.22  , 0, clause( 1984, [ ~( =( 'least_upper_bound'( a, b ), 
% 0.84/1.22    'greatest_lower_bound'( c, 'least_upper_bound'( a, b ) ) ) ) ] )
% 0.84/1.22  , 0, 7, substitution( 0, [ :=( X, a ), :=( Y, b )] ), substitution( 1, [] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1987, [ ~( =( 'least_upper_bound'( b, a ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( b, a ) ) ) ) ] )
% 0.84/1.22  , clause( 4, [ =( 'least_upper_bound'( X, Y ), 'least_upper_bound'( Y, X )
% 0.84/1.22     ) ] )
% 0.84/1.22  , 0, clause( 1986, [ ~( =( 'least_upper_bound'( a, b ), 
% 0.84/1.22    'greatest_lower_bound'( c, 'least_upper_bound'( b, a ) ) ) ) ] )
% 0.84/1.22  , 0, 2, substitution( 0, [ :=( X, a ), :=( Y, b )] ), substitution( 1, [] )
% 0.84/1.22    ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1990, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( b, a
% 0.84/1.22     ) ), 'least_upper_bound'( b, a ) ) ) ] )
% 0.84/1.22  , clause( 1987, [ ~( =( 'least_upper_bound'( b, a ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( b, a ) ) ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 227, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( b, a )
% 0.84/1.22     ), 'least_upper_bound'( b, a ) ) ) ] )
% 0.84/1.22  , clause( 1990, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( b, 
% 0.84/1.22    a ) ), 'least_upper_bound'( b, a ) ) ) ] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1994, [ =( 'least_upper_bound'( X, a ), 'greatest_lower_bound'( 
% 0.84/1.22    'least_upper_bound'( X, c ), 'least_upper_bound'( X, a ) ) ) ] )
% 0.84/1.22  , clause( 93, [ =( 'greatest_lower_bound'( 'least_upper_bound'( X, c ), 
% 0.84/1.22    'least_upper_bound'( X, a ) ), 'least_upper_bound'( X, a ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [ :=( X, X )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  eqswap(
% 0.84/1.22  clause( 1995, [ ~( =( 'least_upper_bound'( b, a ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( b, a ) ) ) ) ] )
% 0.84/1.22  , clause( 227, [ ~( =( 'greatest_lower_bound'( c, 'least_upper_bound'( b, a
% 0.84/1.22     ) ), 'least_upper_bound'( b, a ) ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  paramod(
% 0.84/1.22  clause( 1996, [ =( 'least_upper_bound'( b, a ), 'greatest_lower_bound'( c, 
% 0.84/1.22    'least_upper_bound'( b, a ) ) ) ] )
% 0.84/1.22  , clause( 48, [ =( 'least_upper_bound'( b, c ), c ) ] )
% 0.84/1.22  , 0, clause( 1994, [ =( 'least_upper_bound'( X, a ), 'greatest_lower_bound'( 
% 0.84/1.22    'least_upper_bound'( X, c ), 'least_upper_bound'( X, a ) ) ) ] )
% 0.84/1.22  , 0, 5, substitution( 0, [] ), substitution( 1, [ :=( X, b )] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  resolution(
% 0.84/1.22  clause( 1997, [] )
% 0.84/1.22  , clause( 1995, [ ~( =( 'least_upper_bound'( b, a ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( b, a ) ) ) ) ] )
% 0.84/1.22  , 0, clause( 1996, [ =( 'least_upper_bound'( b, a ), 'greatest_lower_bound'( 
% 0.84/1.22    c, 'least_upper_bound'( b, a ) ) ) ] )
% 0.84/1.22  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  subsumption(
% 0.84/1.22  clause( 1843, [] )
% 0.84/1.22  , clause( 1997, [] )
% 0.84/1.22  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  end.
% 0.84/1.22  
% 0.84/1.22  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.84/1.22  
% 0.84/1.22  Memory use:
% 0.84/1.22  
% 0.84/1.22  space for terms:        24066
% 0.84/1.22  space for clauses:      198628
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  clauses generated:      25564
% 0.84/1.22  clauses kept:           1844
% 0.84/1.22  clauses selected:       243
% 0.84/1.22  clauses deleted:        14
% 0.84/1.22  clauses inuse deleted:  6
% 0.84/1.22  
% 0.84/1.22  subsentry:          4285
% 0.84/1.22  literals s-matched: 3895
% 0.84/1.22  literals matched:   3895
% 0.84/1.22  full subsumption:   0
% 0.84/1.22  
% 0.84/1.22  checksum:           910775652
% 0.84/1.22  
% 0.84/1.22  
% 0.84/1.22  Bliksem ended
%------------------------------------------------------------------------------