TSTP Solution File: GRP132-1.002 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP132-1.002 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n009.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 07:35:27 EDT 2022

% Result   : Unsatisfiable 0.66s 1.06s
% Output   : Refutation 0.66s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP132-1.002 : TPTP v8.1.0. Released v1.2.0.
% 0.11/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n009.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 12:09:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.66/1.06  *** allocated 10000 integers for termspace/termends
% 0.66/1.06  *** allocated 10000 integers for clauses
% 0.66/1.06  *** allocated 10000 integers for justifications
% 0.66/1.06  Bliksem 1.12
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  Automatic Strategy Selection
% 0.66/1.06  
% 0.66/1.06  Clauses:
% 0.66/1.06  [
% 0.66/1.06     [ 'group_element'( 'e_1' ) ],
% 0.66/1.06     [ 'group_element'( 'e_2' ) ],
% 0.66/1.06     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.66/1.06     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.66/1.06     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.66/1.06    'e_1' ), product( X, Y, 'e_2' ) ],
% 0.66/1.06     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.66/1.06    ,
% 0.66/1.06     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.66/1.06    ,
% 0.66/1.06     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.66/1.06    ,
% 0.66/1.06     [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( product( W, X, Y
% 0.66/1.06     ) ), ~( product( W, T, U ) ), equalish( X, T ) ],
% 0.66/1.06     [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( product( W, X, Y
% 0.66/1.06     ) ), ~( product( W, T, U ) ), equalish( Y, U ) ]
% 0.66/1.06  ] .
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  percentage equality = 0.000000, percentage horn = 0.900000
% 0.66/1.06  This is a near-Horn, non-equality  problem
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  Options Used:
% 0.66/1.06  
% 0.66/1.06  useres =            1
% 0.66/1.06  useparamod =        0
% 0.66/1.06  useeqrefl =         0
% 0.66/1.06  useeqfact =         0
% 0.66/1.06  usefactor =         1
% 0.66/1.06  usesimpsplitting =  0
% 0.66/1.06  usesimpdemod =      0
% 0.66/1.06  usesimpres =        4
% 0.66/1.06  
% 0.66/1.06  resimpinuse      =  1000
% 0.66/1.06  resimpclauses =     20000
% 0.66/1.06  substype =          standard
% 0.66/1.06  backwardsubs =      1
% 0.66/1.06  selectoldest =      5
% 0.66/1.06  
% 0.66/1.06  litorderings [0] =  split
% 0.66/1.06  litorderings [1] =  liftord
% 0.66/1.06  
% 0.66/1.06  termordering =      none
% 0.66/1.06  
% 0.66/1.06  litapriori =        1
% 0.66/1.06  termapriori =       0
% 0.66/1.06  litaposteriori =    0
% 0.66/1.06  termaposteriori =   0
% 0.66/1.06  demodaposteriori =  0
% 0.66/1.06  ordereqreflfact =   0
% 0.66/1.06  
% 0.66/1.06  litselect =         negative
% 0.66/1.06  
% 0.66/1.06  maxweight =         30000
% 0.66/1.06  maxdepth =          30000
% 0.66/1.06  maxlength =         115
% 0.66/1.06  maxnrvars =         195
% 0.66/1.06  excuselevel =       0
% 0.66/1.06  increasemaxweight = 0
% 0.66/1.06  
% 0.66/1.06  maxselected =       10000000
% 0.66/1.06  maxnrclauses =      10000000
% 0.66/1.06  
% 0.66/1.06  showgenerated =    0
% 0.66/1.06  showkept =         0
% 0.66/1.06  showselected =     0
% 0.66/1.06  showdeleted =      0
% 0.66/1.06  showresimp =       1
% 0.66/1.06  showstatus =       2000
% 0.66/1.06  
% 0.66/1.06  prologoutput =     1
% 0.66/1.06  nrgoals =          5000000
% 0.66/1.06  totalproof =       1
% 0.66/1.06  
% 0.66/1.06  Symbols occurring in the translation:
% 0.66/1.06  
% 0.66/1.06  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.66/1.06  .  [1, 2]      (w:1, o:27, a:1, s:1, b:0), 
% 0.66/1.06  !  [4, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.66/1.06  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.66/1.06  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.66/1.06  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.66/1.06  'group_element'  [40, 1]      (w:1, o:26, a:1, s:1, b:0), 
% 0.66/1.06  'e_2'  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.66/1.06  equalish  [42, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.66/1.06  product  [45, 3]      (w:1, o:53, a:1, s:1, b:0).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  Starting Search:
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  Bliksems!, er is een bewijs:
% 0.66/1.06  % SZS status Unsatisfiable
% 0.66/1.06  % SZS output start Refutation
% 0.66/1.06  
% 0.66/1.06  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( X
% 0.66/1.06    , Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, Z
% 0.66/1.06     ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, Z
% 0.66/1.06     ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 8, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U, Z
% 0.66/1.06     ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 14, [ equalish( X, Y ), ~( product( X, Z, Z ) ), ~( product( Y, X, 
% 0.66/1.06    Z ) ), ~( product( Y, Y, X ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 22, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 23, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 24, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 25, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 34, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 35, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 38, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( 'e_2', X, 'e_2' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 40, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( X, 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 44, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 46, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 78, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 80, [ product( 'e_2', 'e_1', 'e_1' ), ~( product( 'e_2', 'e_1', X )
% 0.66/1.06     ), ~( product( 'e_1', X, X ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 83, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.66/1.06    product( X, 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 90, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 92, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 96, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 97, [ equalish( X, 'e_1' ), ~( product( 'e_1', 'e_1', Z ) ), ~( 
% 0.66/1.06    product( 'e_2', X, Y ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 99, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 101, [ ~( product( 'e_2', 'e_2', 'e_2' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_2' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 104, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_1', Z ) ), ~( 
% 0.66/1.06    product( 'e_1', X, Y ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 108, [ ~( product( 'e_2', 'e_1', 'e_1' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_1' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 109, [ ~( product( 'e_1', 'e_1', 'e_1' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 110, [ ~( product( 'e_2', 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 111, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  .
% 0.66/1.06  clause( 113, [] )
% 0.66/1.06  .
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  % SZS output end Refutation
% 0.66/1.06  found a proof!
% 0.66/1.06  
% 0.66/1.06  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.66/1.06  
% 0.66/1.06  initialclauses(
% 0.66/1.06  [ clause( 115, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.06  , clause( 116, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.06  , clause( 117, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 118, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 119, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.66/1.06    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ) ] )
% 0.66/1.06  , clause( 120, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.66/1.06    Z, T ) ] )
% 0.66/1.06  , clause( 121, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.66/1.06    Y, T ) ] )
% 0.66/1.06  , clause( 122, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.66/1.06    X, T ) ] )
% 0.66/1.06  , clause( 123, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.66/1.06    product( W, X, Y ) ), ~( product( W, T, U ) ), equalish( X, T ) ] )
% 0.66/1.06  , clause( 124, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.66/1.06    product( W, X, Y ) ), ~( product( W, T, U ) ), equalish( Y, U ) ] )
% 0.66/1.06  ] ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.06  , clause( 115, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.06  , clause( 116, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 117, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 118, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( X
% 0.66/1.06    , Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.66/1.06  , clause( 119, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.66/1.06    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.66/1.06     ), ==>( 1, 3 ), ==>( 2, 2 ), ==>( 3, 1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, Z
% 0.66/1.06     ) ) ] )
% 0.66/1.06  , clause( 121, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.66/1.06    Y, T ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.66/1.06    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, Z
% 0.66/1.06     ) ) ] )
% 0.66/1.06  , clause( 122, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.66/1.06    X, T ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.66/1.06    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 8, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U, Z
% 0.66/1.06     ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.66/1.06  , clause( 123, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.66/1.06    product( W, X, Y ) ), ~( product( W, T, U ) ), equalish( X, T ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 0.66/1.06    , U ), :=( W, W )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 2 ), ==>( 2
% 0.66/1.06    , 1 ), ==>( 3, 4 ), ==>( 4, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  factor(
% 0.66/1.06  clause( 145, [ equalish( X, Y ), ~( product( Y, X, Z ) ), ~( product( X, Z
% 0.66/1.06    , Z ) ), ~( product( Y, Y, X ) ) ] )
% 0.66/1.06  , clause( 8, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U
% 0.66/1.06    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.66/1.06  , 1, 2, substitution( 0, [ :=( X, X ), :=( Y, Z ), :=( Z, Z ), :=( T, Y ), 
% 0.66/1.06    :=( U, X ), :=( W, Y )] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 14, [ equalish( X, Y ), ~( product( X, Z, Z ) ), ~( product( Y, X, 
% 0.66/1.06    Z ) ), ~( product( Y, Y, X ) ) ] )
% 0.66/1.06  , clause( 145, [ equalish( X, Y ), ~( product( Y, X, Z ) ), ~( product( X, 
% 0.66/1.06    Z, Z ) ), ~( product( Y, Y, X ) ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.66/1.06    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 ), ==>( 3, 3 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 154, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_2' ), 
% 0.66/1.06    product( X, 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( 
% 0.66/1.06    X, Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.66/1.06  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.66/1.06    ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 22, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  , clause( 154, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_2' ), 
% 0.66/1.06    product( X, 'e_1', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.66/1.06    0 ), ==>( 2, 1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 156, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_2' ), 
% 0.66/1.06    product( X, 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( 
% 0.66/1.06    X, Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.66/1.06  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.66/1.06    ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 23, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  , clause( 156, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_2' ), 
% 0.66/1.06    product( X, 'e_2', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.66/1.06    0 ), ==>( 2, 1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 157, [ product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 22, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  , 2, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 24, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 157, [ product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 158, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 22, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  , 2, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 25, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 158, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 159, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 23, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  , 2, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 34, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 159, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 160, [ product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 23, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.66/1.06    'group_element'( X ) ) ] )
% 0.66/1.06  , 2, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 35, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 160, [ product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 164, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.66/1.06    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.66/1.06    , Z ) ) ] )
% 0.66/1.06  , 2, clause( 35, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.66/1.06    'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 38, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( 'e_2', X, 'e_2' ) ) ] )
% 0.66/1.06  , clause( 164, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.66/1.06    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.66/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 168, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_2' ) ), 
% 0.66/1.06    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.66/1.06    , Z ) ) ] )
% 0.66/1.06  , 2, clause( 35, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_2' ), :=( T, 
% 0.66/1.06    'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 40, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( X, 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 168, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_2' ) ), 
% 0.66/1.06    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.66/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 169, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.66/1.06    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 40, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( X, 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , 2, clause( 34, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 170, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , 0, clause( 169, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.66/1.06     ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 44, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 170, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 174, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.66/1.06    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.66/1.06    , Z ) ) ] )
% 0.66/1.06  , 2, clause( 44, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.66/1.06    'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 46, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  , clause( 174, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.66/1.06    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.66/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 175, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.66/1.06    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 38, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( 'e_2', X, 'e_2' ) ) ] )
% 0.66/1.06  , 2, clause( 25, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 176, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , 0, clause( 175, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.66/1.06     ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 78, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 176, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 180, [ equalish( 'e_1', 'e_2' ), ~( product( 'e_1', X, X ) ), ~( 
% 0.66/1.06    product( 'e_2', 'e_1', X ) ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 14, [ equalish( X, Y ), ~( product( X, Z, Z ) ), ~( product( Y, X
% 0.66/1.06    , Z ) ), ~( product( Y, Y, X ) ) ] )
% 0.66/1.06  , 3, clause( 78, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_2' ), :=( Z, X )] ), 
% 0.66/1.06    substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 182, [ ~( product( 'e_1', X, X ) ), ~( product( 'e_2', 'e_1', X ) )
% 0.66/1.06    , product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , 0, clause( 180, [ equalish( 'e_1', 'e_2' ), ~( product( 'e_1', X, X ) ), 
% 0.66/1.06    ~( product( 'e_2', 'e_1', X ) ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [ :=( X, X )] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 80, [ product( 'e_2', 'e_1', 'e_1' ), ~( product( 'e_2', 'e_1', X )
% 0.66/1.06     ), ~( product( 'e_1', X, X ) ) ] )
% 0.66/1.06  , clause( 182, [ ~( product( 'e_1', X, X ) ), ~( product( 'e_2', 'e_1', X )
% 0.66/1.06     ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.66/1.06    1 ), ==>( 2, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 186, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_1' ) ), 
% 0.66/1.06    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.66/1.06    , Z ) ) ] )
% 0.66/1.06  , 2, clause( 78, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_1' ), :=( T, 
% 0.66/1.06    'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 83, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.66/1.06    product( X, 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 186, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_1' ) ), 
% 0.66/1.06    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.66/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 187, [ product( 'e_2', 'e_1', 'e_1' ), ~( product( 'e_2', 'e_1', 
% 0.66/1.06    'e_2' ) ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 80, [ product( 'e_2', 'e_1', 'e_1' ), ~( product( 'e_2', 'e_1', X
% 0.66/1.06     ) ), ~( product( 'e_1', X, X ) ) ] )
% 0.66/1.06  , 2, clause( 34, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 188, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.66/1.06     ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 187, [ product( 'e_2', 'e_1', 'e_1' ), ~( product( 'e_2', 'e_1', 
% 0.66/1.06    'e_2' ) ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , 1, clause( 25, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  factor(
% 0.66/1.06  clause( 189, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 188, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.66/1.06    'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, 2, substitution( 0, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 90, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 189, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 190, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.66/1.06    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 83, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.66/1.06    product( X, 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  , 2, clause( 90, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 192, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , 0, clause( 190, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.66/1.06     ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  factor(
% 0.66/1.06  clause( 193, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 192, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , 0, 1, substitution( 0, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 92, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , clause( 193, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 194, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ) ]
% 0.66/1.06     )
% 0.66/1.06  , clause( 46, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.66/1.06    product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  , 2, clause( 92, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 195, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , 0, clause( 194, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1'
% 0.66/1.06     ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 96, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 195, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 199, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, Y ) ), ~( 
% 0.66/1.06    product( 'e_1', 'e_1', Z ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , clause( 8, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U
% 0.66/1.06    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.66/1.06  , 4, clause( 92, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, 'e_1' )
% 0.66/1.06    , :=( U, 'e_1' ), :=( W, 'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 97, [ equalish( X, 'e_1' ), ~( product( 'e_1', 'e_1', Z ) ), ~( 
% 0.66/1.06    product( 'e_2', X, Y ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , clause( 199, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, Y ) ), ~( 
% 0.66/1.06    product( 'e_1', 'e_1', Z ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.66/1.06    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 ), ==>( 3, 3 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 209, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  , clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.66/1.06    , Z ) ) ] )
% 0.66/1.06  , 2, clause( 92, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.66/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 99, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  , clause( 209, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.66/1.06    1 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  factor(
% 0.66/1.06  clause( 211, [ equalish( 'e_2', 'e_1' ), ~( product( 'e_1', 'e_1', 'e_2' )
% 0.66/1.06     ), ~( product( 'e_2', 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 97, [ equalish( X, 'e_1' ), ~( product( 'e_1', 'e_1', Z ) ), ~( 
% 0.66/1.06    product( 'e_2', X, Y ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , 2, 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_2' ), :=( Z, 'e_2' )] )
% 0.66/1.06    ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 212, [ ~( product( 'e_1', 'e_1', 'e_2' ) ), ~( product( 'e_2', 
% 0.66/1.06    'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  , 0, clause( 211, [ equalish( 'e_2', 'e_1' ), ~( product( 'e_1', 'e_1', 
% 0.66/1.06    'e_2' ) ), ~( product( 'e_2', 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 101, [ ~( product( 'e_2', 'e_2', 'e_2' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 212, [ ~( product( 'e_1', 'e_1', 'e_2' ) ), ~( product( 'e_2', 
% 0.66/1.06    'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 216, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, Y ) ), ~( 
% 0.66/1.06    product( 'e_2', 'e_1', Z ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , clause( 8, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U
% 0.66/1.06    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.66/1.06  , 4, clause( 96, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, 'e_2' )
% 0.66/1.06    , :=( U, 'e_1' ), :=( W, 'e_1' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 104, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_1', Z ) ), ~( 
% 0.66/1.06    product( 'e_1', X, Y ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , clause( 216, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, Y ) ), ~( 
% 0.66/1.06    product( 'e_2', 'e_1', Z ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.66/1.06    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 ), ==>( 3, 3 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  factor(
% 0.66/1.06  clause( 223, [ equalish( 'e_1', 'e_2' ), ~( product( 'e_2', 'e_1', 'e_1' )
% 0.66/1.06     ), ~( product( 'e_1', 'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 104, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_1', Z ) ), ~( 
% 0.66/1.06    product( 'e_1', X, Y ) ), ~( product( X, Y, Z ) ) ] )
% 0.66/1.06  , 2, 3, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_1' ), :=( Z, 'e_1' )] )
% 0.66/1.06    ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 224, [ ~( product( 'e_2', 'e_1', 'e_1' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , 0, clause( 223, [ equalish( 'e_1', 'e_2' ), ~( product( 'e_2', 'e_1', 
% 0.66/1.06    'e_1' ) ), ~( product( 'e_1', 'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 108, [ ~( product( 'e_2', 'e_1', 'e_1' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 224, [ ~( product( 'e_2', 'e_1', 'e_1' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.66/1.06     ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 225, [ ~( product( 'e_1', 'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 108, [ ~( product( 'e_2', 'e_1', 'e_1' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , 0, clause( 92, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 109, [ ~( product( 'e_1', 'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , clause( 225, [ ~( product( 'e_1', 'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 226, [ ~( product( 'e_2', 'e_2', 'e_2' ) ), product( 'e_1', 'e_1', 
% 0.66/1.06    'e_1' ) ] )
% 0.66/1.06  , clause( 101, [ ~( product( 'e_2', 'e_2', 'e_2' ) ), ~( product( 'e_1', 
% 0.66/1.06    'e_1', 'e_2' ) ) ] )
% 0.66/1.06  , 1, clause( 24, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 227, [ ~( product( 'e_2', 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 109, [ ~( product( 'e_1', 'e_1', 'e_1' ) ) ] )
% 0.66/1.06  , 0, clause( 226, [ ~( product( 'e_2', 'e_2', 'e_2' ) ), product( 'e_1', 
% 0.66/1.06    'e_1', 'e_1' ) ] )
% 0.66/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 110, [ ~( product( 'e_2', 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , clause( 227, [ ~( product( 'e_2', 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 228, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 110, [ ~( product( 'e_2', 'e_2', 'e_2' ) ) ] )
% 0.66/1.06  , 0, clause( 35, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.66/1.06    'e_2' ) ] )
% 0.66/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 111, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 228, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 229, [ equalish( 'e_2', 'e_1' ) ] )
% 0.66/1.06  , clause( 99, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.66/1.06  , 1, clause( 111, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  resolution(
% 0.66/1.06  clause( 230, [] )
% 0.66/1.06  , clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.66/1.06  , 0, clause( 229, [ equalish( 'e_2', 'e_1' ) ] )
% 0.66/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  subsumption(
% 0.66/1.06  clause( 113, [] )
% 0.66/1.06  , clause( 230, [] )
% 0.66/1.06  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  end.
% 0.66/1.06  
% 0.66/1.06  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.66/1.06  
% 0.66/1.06  Memory use:
% 0.66/1.06  
% 0.66/1.06  space for terms:        1771
% 0.66/1.06  space for clauses:      5221
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  clauses generated:      368
% 0.66/1.06  clauses kept:           114
% 0.66/1.06  clauses selected:       74
% 0.66/1.06  clauses deleted:        5
% 0.66/1.06  clauses inuse deleted:  0
% 0.66/1.06  
% 0.66/1.06  subsentry:          2529
% 0.66/1.06  literals s-matched: 1567
% 0.66/1.06  literals matched:   915
% 0.66/1.06  full subsumption:   618
% 0.66/1.06  
% 0.66/1.06  checksum:           -81306
% 0.66/1.06  
% 0.66/1.06  
% 0.66/1.06  Bliksem ended
%------------------------------------------------------------------------------