TSTP Solution File: GRP017-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP017-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n007.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 07:34:20 EDT 2022

% Result   : Unsatisfiable 3.49s 3.84s
% Output   : Refutation 3.49s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP017-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n007.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 12:20:54 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 3.49/3.84  *** allocated 10000 integers for termspace/termends
% 3.49/3.84  *** allocated 10000 integers for clauses
% 3.49/3.84  *** allocated 10000 integers for justifications
% 3.49/3.84  Bliksem 1.12
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Automatic Strategy Selection
% 3.49/3.84  
% 3.49/3.84  Clauses:
% 3.49/3.84  [
% 3.49/3.84     [ product( identity, X, X ) ],
% 3.49/3.84     [ product( X, identity, X ) ],
% 3.49/3.84     [ product( inverse( X ), X, identity ) ],
% 3.49/3.84     [ product( X, inverse( X ), identity ) ],
% 3.49/3.84     [ product( X, Y, multiply( X, Y ) ) ],
% 3.49/3.84     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, T ) ],
% 3.49/3.84     [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( product( Z, T, W
% 3.49/3.84     ) ), product( X, U, W ) ],
% 3.49/3.84     [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( product( X, U, W
% 3.49/3.84     ) ), product( Z, T, W ) ],
% 3.49/3.84     [ product( a, b, identity ) ],
% 3.49/3.84     [ product( b, a, identity ) ],
% 3.49/3.84     [ product( a, c, identity ) ],
% 3.49/3.84     [ product( c, a, identity ) ],
% 3.49/3.84     [ ~( =( b, c ) ) ]
% 3.49/3.84  ] .
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  percentage equality = 0.095238, percentage horn = 1.000000
% 3.49/3.84  This is a problem with some equality
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Options Used:
% 3.49/3.84  
% 3.49/3.84  useres =            1
% 3.49/3.84  useparamod =        1
% 3.49/3.84  useeqrefl =         1
% 3.49/3.84  useeqfact =         1
% 3.49/3.84  usefactor =         1
% 3.49/3.84  usesimpsplitting =  0
% 3.49/3.84  usesimpdemod =      5
% 3.49/3.84  usesimpres =        3
% 3.49/3.84  
% 3.49/3.84  resimpinuse      =  1000
% 3.49/3.84  resimpclauses =     20000
% 3.49/3.84  substype =          eqrewr
% 3.49/3.84  backwardsubs =      1
% 3.49/3.84  selectoldest =      5
% 3.49/3.84  
% 3.49/3.84  litorderings [0] =  split
% 3.49/3.84  litorderings [1] =  extend the termordering, first sorting on arguments
% 3.49/3.84  
% 3.49/3.84  termordering =      kbo
% 3.49/3.84  
% 3.49/3.84  litapriori =        0
% 3.49/3.84  termapriori =       1
% 3.49/3.84  litaposteriori =    0
% 3.49/3.84  termaposteriori =   0
% 3.49/3.84  demodaposteriori =  0
% 3.49/3.84  ordereqreflfact =   0
% 3.49/3.84  
% 3.49/3.84  litselect =         negord
% 3.49/3.84  
% 3.49/3.84  maxweight =         15
% 3.49/3.84  maxdepth =          30000
% 3.49/3.84  maxlength =         115
% 3.49/3.84  maxnrvars =         195
% 3.49/3.84  excuselevel =       1
% 3.49/3.84  increasemaxweight = 1
% 3.49/3.84  
% 3.49/3.84  maxselected =       10000000
% 3.49/3.84  maxnrclauses =      10000000
% 3.49/3.84  
% 3.49/3.84  showgenerated =    0
% 3.49/3.84  showkept =         0
% 3.49/3.84  showselected =     0
% 3.49/3.84  showdeleted =      0
% 3.49/3.84  showresimp =       1
% 3.49/3.84  showstatus =       2000
% 3.49/3.84  
% 3.49/3.84  prologoutput =     1
% 3.49/3.84  nrgoals =          5000000
% 3.49/3.84  totalproof =       1
% 3.49/3.84  
% 3.49/3.84  Symbols occurring in the translation:
% 3.49/3.84  
% 3.49/3.84  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 3.49/3.84  .  [1, 2]      (w:1, o:25, a:1, s:1, b:0), 
% 3.49/3.84  !  [4, 1]      (w:0, o:19, a:1, s:1, b:0), 
% 3.49/3.84  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 3.49/3.84  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 3.49/3.84  identity  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 3.49/3.84  product  [41, 3]      (w:1, o:51, a:1, s:1, b:0), 
% 3.49/3.84  inverse  [42, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 3.49/3.84  multiply  [44, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 3.49/3.84  a  [49, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 3.49/3.84  b  [50, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 3.49/3.84  c  [51, 0]      (w:1, o:18, a:1, s:1, b:0).
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Starting Search:
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Intermediate Status:
% 3.49/3.84  Generated:    8281
% 3.49/3.84  Kept:         2003
% 3.49/3.84  Inuse:        117
% 3.49/3.84  Deleted:      17
% 3.49/3.84  Deletedinuse: 0
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Intermediate Status:
% 3.49/3.84  Generated:    16454
% 3.49/3.84  Kept:         4056
% 3.49/3.84  Inuse:        171
% 3.49/3.84  Deleted:      40
% 3.49/3.84  Deletedinuse: 20
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Intermediate Status:
% 3.49/3.84  Generated:    22870
% 3.49/3.84  Kept:         6101
% 3.49/3.84  Inuse:        217
% 3.49/3.84  Deleted:      40
% 3.49/3.84  Deletedinuse: 20
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Intermediate Status:
% 3.49/3.84  Generated:    32431
% 3.49/3.84  Kept:         8108
% 3.49/3.84  Inuse:        273
% 3.49/3.84  Deleted:      42
% 3.49/3.84  Deletedinuse: 20
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Intermediate Status:
% 3.49/3.84  Generated:    44789
% 3.49/3.84  Kept:         10126
% 3.49/3.84  Inuse:        335
% 3.49/3.84  Deleted:      80
% 3.49/3.84  Deletedinuse: 50
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Intermediate Status:
% 3.49/3.84  Generated:    63465
% 3.49/3.84  Kept:         12128
% 3.49/3.84  Inuse:        417
% 3.49/3.84  Deleted:      101
% 3.49/3.84  Deletedinuse: 63
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Intermediate Status:
% 3.49/3.84  Generated:    82614
% 3.49/3.84  Kept:         14339
% 3.49/3.84  Inuse:        462
% 3.49/3.84  Deleted:      127
% 3.49/3.84  Deletedinuse: 63
% 3.49/3.84  
% 3.49/3.84  Resimplifying inuse:
% 3.49/3.84  Done
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  Bliksems!, er is een bewijs:
% 3.49/3.84  % SZS status Unsatisfiable
% 3.49/3.84  % SZS output start Refutation
% 3.49/3.84  
% 3.49/3.84  clause( 0, [ product( identity, X, X ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 1, [ product( X, identity, X ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 3, [ product( X, inverse( X ), identity ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 4, [ product( X, Y, multiply( X, Y ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 5, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, T ) ]
% 3.49/3.84     )
% 3.49/3.84  .
% 3.49/3.84  clause( 6, [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( product( 
% 3.49/3.84    Z, T, W ) ), product( X, U, W ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 8, [ product( a, b, identity ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 10, [ product( a, c, identity ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 12, [ ~( =( c, b ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 15, [ ~( product( X, Y, Y ) ), ~( product( Y, Z, T ) ), product( X
% 3.49/3.84    , T, T ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 19, [ ~( product( X, Y, Z ) ), =( multiply( X, Y ), Z ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 21, [ ~( product( a, b, X ) ), =( identity, X ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 26, [ ~( product( identity, X, Y ) ), =( X, Y ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 27, [ ~( product( X, identity, Y ) ), =( X, Y ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 61, [ product( X, b, identity ), ~( product( identity, X, a ) ) ]
% 3.49/3.84     )
% 3.49/3.84  .
% 3.49/3.84  clause( 126, [ ~( product( inverse( X ), Y, Z ) ), ~( product( identity, Y
% 3.49/3.84    , T ) ), product( X, Z, T ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 127, [ ~( product( X, Y, Z ) ), ~( product( Z, inverse( Y ), T ) )
% 3.49/3.84    , product( X, identity, T ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 164, [ =( multiply( X, identity ), X ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 212, [ ~( =( X, b ) ), ~( product( c, identity, X ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 215, [ ~( product( c, identity, b ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 421, [ product( X, Y, Y ), ~( product( a, b, X ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 628, [ ~( product( X, Y, Y ) ), product( X, identity, identity ) ]
% 3.49/3.84     )
% 3.49/3.84  .
% 3.49/3.84  clause( 9711, [ ~( product( X, Y, Y ) ), =( X, identity ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 10024, [ ~( product( c, X, b ) ), ~( product( X, Y, Y ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 14629, [ ~( product( inverse( c ), X, Y ) ), ~( product( identity, 
% 3.49/3.84    X, b ) ), ~( product( Y, Z, Z ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 14857, [ ~( product( inverse( c ), b, identity ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 14862, [ ~( product( identity, inverse( c ), a ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 14940, [ ~( product( identity, inverse( c ), X ) ), ~( product( a, 
% 3.49/3.84    identity, X ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 15254, [ ~( product( identity, inverse( c ), X ) ) ] )
% 3.49/3.84  .
% 3.49/3.84  clause( 15283, [] )
% 3.49/3.84  .
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  % SZS output end Refutation
% 3.49/3.84  found a proof!
% 3.49/3.84  
% 3.49/3.84  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 3.49/3.84  
% 3.49/3.84  initialclauses(
% 3.49/3.84  [ clause( 15285, [ product( identity, X, X ) ] )
% 3.49/3.84  , clause( 15286, [ product( X, identity, X ) ] )
% 3.49/3.84  , clause( 15287, [ product( inverse( X ), X, identity ) ] )
% 3.49/3.84  , clause( 15288, [ product( X, inverse( X ), identity ) ] )
% 3.49/3.84  , clause( 15289, [ product( X, Y, multiply( X, Y ) ) ] )
% 3.49/3.84  , clause( 15290, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, 
% 3.49/3.84    T ) ] )
% 3.49/3.84  , clause( 15291, [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( 
% 3.49/3.84    product( Z, T, W ) ), product( X, U, W ) ] )
% 3.49/3.84  , clause( 15292, [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( 
% 3.49/3.84    product( X, U, W ) ), product( Z, T, W ) ] )
% 3.49/3.84  , clause( 15293, [ product( a, b, identity ) ] )
% 3.49/3.84  , clause( 15294, [ product( b, a, identity ) ] )
% 3.49/3.84  , clause( 15295, [ product( a, c, identity ) ] )
% 3.49/3.84  , clause( 15296, [ product( c, a, identity ) ] )
% 3.49/3.84  , clause( 15297, [ ~( =( b, c ) ) ] )
% 3.49/3.84  ] ).
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  subsumption(
% 3.49/3.84  clause( 0, [ product( identity, X, X ) ] )
% 3.49/3.84  , clause( 15285, [ product( identity, X, X ) ] )
% 3.49/3.84  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 3.49/3.84  
% 3.49/3.84  
% 3.49/3.84  subsumption(
% 3.49/3.84  clause( 1, [ product( X, identity, X ) ] )
% 3.49/3.84  , clause( 15286, [ product( X, identity, X ) ] )
% 3.49/3.84  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 3.49/3.85  
% 3.49/3.85  
% 3.49/3.85  subsumption(
% 3.49/3.85  clause( 3, [ product( X, inverse( X ), identity ) ] )
% 3.49/3.85  , clause( 15288, [ product( X, inverse( X ), identity ) ] )
% 3.49/3.85  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 3.49/3.85  
% 3.49/3.85  
% 3.49/3.85  subsumption(
% 3.49/3.85  clause( 4, [ product( X, Y, multiply( X, Y ) ) ] )
% 3.49/3.85  , clause( 15289, [ product( X, Y, multiply( X, Y ) ) ] )
% 3.49/3.85  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 3.49/3.85     )] ) ).
% 3.49/3.85  
% 3.49/3.85  
% 3.49/3.85  subsumption(
% 3.49/3.85  clause( 5, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, T ) ]
% 3.49/3.85     )
% 3.49/3.85  , clause( 15290, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, 
% 3.49/3.85    T ) ] )
% 3.49/3.85  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 3.49/3.85    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 3.49/3.85  
% 3.49/3.85  
% 3.49/3.85  subsumption(
% 3.49/3.85  clause( 6, [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( product( 
% 3.49/3.85    Z, T, W ) ), product( X, U, W ) ] )
% 3.49/3.85  , clause( 15291, [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( 
% 3.49/3.85    product( Z, T, W ) ), product( X, U, W ) ] )
% 3.49/3.85  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 215.41/215.83    , U ), :=( W, W )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 215.41/215.83    , 2 ), ==>( 3, 3 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 8, [ product( a, b, identity ) ] )
% 215.41/215.83  , clause( 15293, [ product( a, b, identity ) ] )
% 215.41/215.83  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 10, [ product( a, c, identity ) ] )
% 215.41/215.83  , clause( 15295, [ product( a, c, identity ) ] )
% 215.41/215.83  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  eqswap(
% 215.41/215.83  clause( 15331, [ ~( =( c, b ) ) ] )
% 215.41/215.83  , clause( 15297, [ ~( =( b, c ) ) ] )
% 215.41/215.83  , 0, substitution( 0, [] )).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 12, [ ~( =( c, b ) ) ] )
% 215.41/215.83  , clause( 15331, [ ~( =( c, b ) ) ] )
% 215.41/215.83  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  factor(
% 215.41/215.83  clause( 15334, [ ~( product( X, Y, Y ) ), ~( product( Y, Z, T ) ), product( 
% 215.41/215.83    X, T, T ) ] )
% 215.41/215.83  , clause( 6, [ ~( product( X, Y, Z ) ), ~( product( Y, T, U ) ), ~( product( 
% 215.41/215.83    Z, T, W ) ), product( X, U, W ) ] )
% 215.41/215.83  , 1, 2, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Y ), :=( T, Z ), 
% 215.41/215.83    :=( U, T ), :=( W, T )] )).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 15, [ ~( product( X, Y, Y ) ), ~( product( Y, Z, T ) ), product( X
% 215.41/215.83    , T, T ) ] )
% 215.41/215.83  , clause( 15334, [ ~( product( X, Y, Y ) ), ~( product( Y, Z, T ) ), 
% 215.41/215.83    product( X, T, T ) ] )
% 215.41/215.83  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 215.41/215.83    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  resolution(
% 215.41/215.83  clause( 15336, [ ~( product( X, Y, Z ) ), =( multiply( X, Y ), Z ) ] )
% 215.41/215.83  , clause( 5, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, T )
% 215.41/215.83     ] )
% 215.41/215.83  , 0, clause( 4, [ product( X, Y, multiply( X, Y ) ) ] )
% 215.41/215.83  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, multiply( X, Y ) ), 
% 215.41/215.83    :=( T, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 19, [ ~( product( X, Y, Z ) ), =( multiply( X, Y ), Z ) ] )
% 215.41/215.83  , clause( 15336, [ ~( product( X, Y, Z ) ), =( multiply( X, Y ), Z ) ] )
% 215.41/215.83  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 215.41/215.83    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  resolution(
% 215.41/215.83  clause( 15338, [ ~( product( a, b, X ) ), =( identity, X ) ] )
% 215.41/215.83  , clause( 5, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, T )
% 215.41/215.83     ] )
% 215.41/215.83  , 0, clause( 8, [ product( a, b, identity ) ] )
% 215.41/215.83  , 0, substitution( 0, [ :=( X, a ), :=( Y, b ), :=( Z, identity ), :=( T, X
% 215.41/215.83     )] ), substitution( 1, [] )).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 21, [ ~( product( a, b, X ) ), =( identity, X ) ] )
% 215.41/215.83  , clause( 15338, [ ~( product( a, b, X ) ), =( identity, X ) ] )
% 215.41/215.83  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 215.41/215.83    1 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  resolution(
% 215.41/215.83  clause( 15340, [ ~( product( identity, X, Y ) ), =( X, Y ) ] )
% 215.41/215.83  , clause( 5, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, T )
% 215.41/215.83     ] )
% 215.41/215.83  , 0, clause( 0, [ product( identity, X, X ) ] )
% 215.41/215.83  , 0, substitution( 0, [ :=( X, identity ), :=( Y, X ), :=( Z, X ), :=( T, Y
% 215.41/215.83     )] ), substitution( 1, [ :=( X, X )] )).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 26, [ ~( product( identity, X, Y ) ), =( X, Y ) ] )
% 215.41/215.83  , clause( 15340, [ ~( product( identity, X, Y ) ), =( X, Y ) ] )
% 215.41/215.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 215.41/215.83     ), ==>( 1, 1 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  resolution(
% 215.41/215.83  clause( 15342, [ ~( product( X, identity, Y ) ), =( X, Y ) ] )
% 215.41/215.83  , clause( 5, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), =( Z, T )
% 215.41/215.83     ] )
% 215.41/215.83  , 0, clause( 1, [ product( X, identity, X ) ] )
% 215.41/215.83  , 0, substitution( 0, [ :=( X, X ), :=( Y, identity ), :=( Z, X ), :=( T, Y
% 215.41/215.83     )] ), substitution( 1, [ :=( X, X )] )).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  subsumption(
% 215.41/215.83  clause( 27, [ ~( product( X, identity, Y ) ), =( X, Y ) ] )
% 215.41/215.83  , clause( 15342, [ ~( product( X, identity, Y ) ), =( X, Y ) ] )
% 215.41/215.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 215.41/215.83     ), ==>( 1, 1 )] ) ).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  eqswap(
% 215.41/215.83  clause( 15344, [ =( Y, X ), ~( product( identity, X, Y ) ) ] )
% 215.41/215.83  , clause( 26, [ ~( product( identity, X, Y ) ), =( X, Y ) ] )
% 215.41/215.83  , 1, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 215.41/215.83  
% 215.41/215.83  
% 215.41/215.83  paramod(
% 215.41/215.83  clause( 15345, [ product( X, b, identity ), ~( product( identity, X, a ) )
% 215.41/215.83     ] )
% 215.41/215.83  , clause( 15344, [ =( Y, X ), ~( product( identity, X, Y ) ) ] )
% 215.41/215.83  , 0, clause( 8, [ product( a, b, identCputime limit exceeded (core dumped)
%------------------------------------------------------------------------------