TSTP Solution File: GRP131-1.002 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP131-1.002 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n006.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 07:35:26 EDT 2022

% Result   : Unsatisfiable 0.69s 1.09s
% Output   : Refutation 0.69s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : GRP131-1.002 : TPTP v8.1.0. Released v1.2.0.
% 0.11/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n006.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 : Tue Jun 14 09:55:26 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.69/1.09  *** allocated 10000 integers for termspace/termends
% 0.69/1.09  *** allocated 10000 integers for clauses
% 0.69/1.09  *** allocated 10000 integers for justifications
% 0.69/1.09  Bliksem 1.12
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Automatic Strategy Selection
% 0.69/1.09  
% 0.69/1.09  Clauses:
% 0.69/1.09  [
% 0.69/1.09     [ 'group_element'( 'e_1' ) ],
% 0.69/1.09     [ 'group_element'( 'e_2' ) ],
% 0.69/1.09     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.69/1.09     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.69/1.09    'e_1' ), product( X, Y, 'e_2' ) ],
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.69/1.09    ,
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.69/1.09    ,
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.69/1.09    ,
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( product( W, Y, X
% 0.69/1.09     ) ), ~( product( W, U, T ) ), equalish( X, T ) ],
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( product( W, Y, X
% 0.69/1.09     ) ), ~( product( W, U, T ) ), equalish( Y, U ) ]
% 0.69/1.09  ] .
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  percentage equality = 0.000000, percentage horn = 0.900000
% 0.69/1.09  This is a near-Horn, non-equality  problem
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Options Used:
% 0.69/1.09  
% 0.69/1.09  useres =            1
% 0.69/1.09  useparamod =        0
% 0.69/1.09  useeqrefl =         0
% 0.69/1.09  useeqfact =         0
% 0.69/1.09  usefactor =         1
% 0.69/1.09  usesimpsplitting =  0
% 0.69/1.09  usesimpdemod =      0
% 0.69/1.09  usesimpres =        4
% 0.69/1.09  
% 0.69/1.09  resimpinuse      =  1000
% 0.69/1.09  resimpclauses =     20000
% 0.69/1.09  substype =          standard
% 0.69/1.09  backwardsubs =      1
% 0.69/1.09  selectoldest =      5
% 0.69/1.09  
% 0.69/1.09  litorderings [0] =  split
% 0.69/1.09  litorderings [1] =  liftord
% 0.69/1.09  
% 0.69/1.09  termordering =      none
% 0.69/1.09  
% 0.69/1.09  litapriori =        1
% 0.69/1.09  termapriori =       0
% 0.69/1.09  litaposteriori =    0
% 0.69/1.09  termaposteriori =   0
% 0.69/1.09  demodaposteriori =  0
% 0.69/1.09  ordereqreflfact =   0
% 0.69/1.09  
% 0.69/1.09  litselect =         negative
% 0.69/1.09  
% 0.69/1.09  maxweight =         30000
% 0.69/1.09  maxdepth =          30000
% 0.69/1.09  maxlength =         115
% 0.69/1.09  maxnrvars =         195
% 0.69/1.09  excuselevel =       0
% 0.69/1.09  increasemaxweight = 0
% 0.69/1.09  
% 0.69/1.09  maxselected =       10000000
% 0.69/1.09  maxnrclauses =      10000000
% 0.69/1.09  
% 0.69/1.09  showgenerated =    0
% 0.69/1.09  showkept =         0
% 0.69/1.09  showselected =     0
% 0.69/1.09  showdeleted =      0
% 0.69/1.09  showresimp =       1
% 0.69/1.09  showstatus =       2000
% 0.69/1.09  
% 0.69/1.09  prologoutput =     1
% 0.69/1.09  nrgoals =          5000000
% 0.69/1.09  totalproof =       1
% 0.69/1.09  
% 0.69/1.09  Symbols occurring in the translation:
% 0.69/1.09  
% 0.69/1.09  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.69/1.09  .  [1, 2]      (w:1, o:27, a:1, s:1, b:0), 
% 0.69/1.09  !  [4, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.69/1.09  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.69/1.09  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.69/1.09  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.69/1.09  'group_element'  [40, 1]      (w:1, o:26, a:1, s:1, b:0), 
% 0.69/1.09  'e_2'  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.69/1.09  equalish  [42, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.69/1.09  product  [45, 3]      (w:1, o:53, a:1, s:1, b:0).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Starting Search:
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Bliksems!, er is een bewijs:
% 0.69/1.09  % SZS status Unsatisfiable
% 0.69/1.09  % SZS output start Refutation
% 0.69/1.09  
% 0.69/1.09  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( X
% 0.69/1.09    , Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, Z
% 0.69/1.09     ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, Z
% 0.69/1.09     ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 9, [ equalish( Y, U ), ~( product( W, Y, X ) ), ~( product( T, U, Z
% 0.69/1.09     ) ), ~( product( X, Y, Z ) ), ~( product( W, U, T ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 18, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 19, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 20, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 21, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 30, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 36, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( X, 'e_2', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 38, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.69/1.09    product( X, 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 40, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 42, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_2', X, 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 52, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 55, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_2', Z ) ), ~( 
% 0.69/1.09    product( 'e_1', X, Y ) ), product( 'e_1', 'e_2', 'e_1' ), ~( product( Y, 
% 0.69/1.09    X, Z ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 59, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 61, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, Y ) ), ~( product( 
% 0.69/1.09    'e_1', 'e_1', Z ) ), product( 'e_1', 'e_1', 'e_1' ), ~( product( Y, X, Z
% 0.69/1.09     ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 62, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 68, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_2', X, 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 69, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 72, [ equalish( X, 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 73, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 77, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 79, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 83, [] )
% 0.69/1.09  .
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  % SZS output end Refutation
% 0.69/1.09  found a proof!
% 0.69/1.09  
% 0.69/1.09  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.69/1.09  
% 0.69/1.09  initialclauses(
% 0.69/1.09  [ clause( 85, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  , clause( 86, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  , clause( 87, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , clause( 88, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  , clause( 89, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.69/1.09    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ) ] )
% 0.69/1.09  , clause( 90, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.69/1.09    Z, T ) ] )
% 0.69/1.09  , clause( 91, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.69/1.09    Y, T ) ] )
% 0.69/1.09  , clause( 92, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.69/1.09    X, T ) ] )
% 0.69/1.09  , clause( 93, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.69/1.09    product( W, Y, X ) ), ~( product( W, U, T ) ), equalish( X, T ) ] )
% 0.69/1.09  , clause( 94, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.69/1.09    product( W, Y, X ) ), ~( product( W, U, T ) ), equalish( Y, U ) ] )
% 0.69/1.09  ] ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  , clause( 85, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  , clause( 86, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , clause( 87, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  , clause( 88, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( X
% 0.69/1.09    , Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.09  , clause( 89, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.69/1.09    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.69/1.09     ), ==>( 1, 3 ), ==>( 2, 2 ), ==>( 3, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, Z
% 0.69/1.09     ) ) ] )
% 0.69/1.09  , clause( 91, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.69/1.09    Y, T ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.09    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, Z
% 0.69/1.09     ) ) ] )
% 0.69/1.09  , clause( 92, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.69/1.09    X, T ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.09    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 9, [ equalish( Y, U ), ~( product( W, Y, X ) ), ~( product( T, U, Z
% 0.69/1.09     ) ), ~( product( X, Y, Z ) ), ~( product( W, U, T ) ) ] )
% 0.69/1.09  , clause( 94, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.69/1.09    product( W, Y, X ) ), ~( product( W, U, T ) ), equalish( Y, U ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 0.69/1.09    , U ), :=( W, W )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.09    , 1 ), ==>( 3, 4 ), ==>( 4, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 123, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_2' ), 
% 0.69/1.09    product( X, 'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( 
% 0.69/1.09    X, Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.09  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.69/1.09    ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 18, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  , clause( 123, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_2' ), 
% 0.69/1.09    product( X, 'e_1', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.69/1.09    0 ), ==>( 2, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 125, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_2' ), 
% 0.69/1.09    product( X, 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 4, [ ~( 'group_element'( X ) ), product( X, Y, 'e_2' ), product( 
% 0.69/1.09    X, Y, 'e_1' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.09  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.69/1.09    ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 19, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  , clause( 125, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_2' ), 
% 0.69/1.09    product( X, 'e_2', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.69/1.09    0 ), ==>( 2, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 126, [ product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 18, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  , 2, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 20, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 126, [ product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.09     ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 127, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 18, [ product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  , 2, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 21, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 127, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.09     ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 128, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 19, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  , 2, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 30, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 128, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.09     ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 129, [ product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 19, [ product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_1' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  , 2, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 129, [ product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.09     ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 133, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_2' ) ), 
% 0.69/1.09    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.09    , Z ) ) ] )
% 0.69/1.09  , 2, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.09    'e_2' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.09    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 36, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( X, 'e_2', 'e_2' ) ) ] )
% 0.69/1.09  , clause( 133, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_2' ) ), 
% 0.69/1.09    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.09    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 137, [ equalish( X, 'e_2' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.69/1.09    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.09    , Z ) ) ] )
% 0.69/1.09  , 2, clause( 21, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.09    'e_2' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.09    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 38, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.69/1.09    product( X, 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , clause( 137, [ equalish( X, 'e_2' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.69/1.09    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.09    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 138, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.69/1.09    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 36, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( X, 'e_2', 'e_2' ) ) ] )
% 0.69/1.09  , 2, clause( 30, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.69/1.09    'e_2' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 139, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , 0, clause( 138, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.09     ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 40, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 139, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.09     ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 143, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.69/1.09    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.09    , Z ) ) ] )
% 0.69/1.09  , 2, clause( 40, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.09    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 42, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_2', X, 'e_1' ) ) ] )
% 0.69/1.09  , clause( 143, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.69/1.09    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.09    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 144, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 38, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.69/1.09    product( X, 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , 2, clause( 20, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.09    'e_2' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 145, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , 0, clause( 144, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.69/1.09     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 52, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  , clause( 145, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.09     ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 153, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, Y ) ), ~( 
% 0.69/1.09    product( 'e_2', 'e_2', Z ) ), ~( product( Y, X, Z ) ), product( 'e_1', 
% 0.69/1.09    'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 9, [ equalish( Y, U ), ~( product( W, Y, X ) ), ~( product( T, U
% 0.69/1.09    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, U, T ) ) ] )
% 0.69/1.09  , 4, clause( 30, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.69/1.09    'e_2' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Z ), :=( T, 'e_2' )
% 0.69/1.09    , :=( U, 'e_2' ), :=( W, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 55, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_2', Z ) ), ~( 
% 0.69/1.09    product( 'e_1', X, Y ) ), product( 'e_1', 'e_2', 'e_1' ), ~( product( Y, 
% 0.69/1.09    X, Z ) ) ] )
% 0.69/1.09  , clause( 153, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, Y ) ), ~( 
% 0.69/1.09    product( 'e_2', 'e_2', Z ) ), ~( product( Y, X, Z ) ), product( 'e_1', 
% 0.69/1.09    'e_2', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.09    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 ), ==>( 3, 4 ), 
% 0.69/1.09    ==>( 4, 3 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  factor(
% 0.69/1.09  clause( 167, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_2', 'e_1' ) ), 
% 0.69/1.09    ~( product( 'e_1', X, 'e_1' ) ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 55, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_2', Z ) ), ~( 
% 0.69/1.09    product( 'e_1', X, Y ) ), product( 'e_1', 'e_2', 'e_1' ), ~( product( Y, 
% 0.69/1.09    X, Z ) ) ] )
% 0.69/1.09  , 2, 4, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_1' )] )
% 0.69/1.09    ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 168, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ), 
% 0.69/1.09    product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 167, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_2', 'e_1' ) )
% 0.69/1.09    , ~( product( 'e_1', X, 'e_1' ) ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , 1, clause( 40, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, X )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  factor(
% 0.69/1.09  clause( 169, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ), 
% 0.69/1.09    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 168, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ), 
% 0.69/1.09    product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , 2, 3, substitution( 0, [ :=( X, X )] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 59, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.09  , clause( 169, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ), 
% 0.69/1.09    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.09    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 177, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, Y ) ), ~( 
% 0.69/1.09    product( 'e_1', 'e_1', Z ) ), ~( product( Y, X, Z ) ), product( 'e_1', 
% 0.69/1.09    'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 9, [ equalish( Y, U ), ~( product( W, Y, X ) ), ~( product( T, U
% 0.69/1.09    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, U, T ) ) ] )
% 0.69/1.09  , 4, clause( 52, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Z ), :=( T, 'e_1' )
% 0.69/1.09    , :=( U, 'e_1' ), :=( W, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 61, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, Y ) ), ~( product( 
% 0.69/1.09    'e_1', 'e_1', Z ) ), product( 'e_1', 'e_1', 'e_1' ), ~( product( Y, X, Z
% 0.69/1.09     ) ) ] )
% 0.69/1.09  , clause( 177, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, Y ) ), ~( 
% 0.69/1.09    product( 'e_1', 'e_1', Z ) ), ~( product( Y, X, Z ) ), product( 'e_1', 
% 0.69/1.09    'e_1', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.09    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 4 ), 
% 0.69/1.09    ==>( 4, 3 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 190, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 42, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_2', X, 'e_1' ) ) ] )
% 0.69/1.09  , 2, clause( 52, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.09    'e_1' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 192, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.69/1.09    equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 59, [ equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.09  , 2, clause( 190, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1'
% 0.69/1.09     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  factor(
% 0.69/1.09  clause( 194, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.69/1.09    equalish( 'e_1', 'e_2' ) ] )
% 0.69/1.09  , clause( 192, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.69/1.09    equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , 1, 3, substitution( 0, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  factor(
% 0.69/1.09  clause( 195, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ) ]
% 0.69/1.09     )
% 0.69/1.09  , clause( 194, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.69/1.09    equalish( 'e_1', 'e_2' ) ] )
% 0.69/1.09  , 0, 2, substitution( 0, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 62, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 195, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ) ]
% 0.69/1.09     )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.09     ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  factor(
% 0.69/1.09  clause( 196, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), ~( 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_2' ) ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 61, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, Y ) ), ~( 
% 0.69/1.09    product( 'e_1', 'e_1', Z ) ), product( 'e_1', 'e_1', 'e_1' ), ~( product( 
% 0.69/1.09    Y, X, Z ) ) ] )
% 0.69/1.09  , 1, 4, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_2' )] )
% 0.69/1.09    ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 198, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 196, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), ~( 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_2' ) ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , 2, clause( 20, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.09    'e_2' ) ] )
% 0.69/1.09  , 1, substitution( 0, [ :=( X, X )] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  factor(
% 0.69/1.09  clause( 199, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , clause( 198, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , 2, 3, substitution( 0, [ :=( X, X )] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 68, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.09    product( 'e_2', X, 'e_2' ) ) ] )
% 0.69/1.09  , clause( 199, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.69/1.09    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.09    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 200, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , 0, clause( 62, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' )
% 0.69/1.09     ] )
% 0.69/1.09  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  subsumption(
% 0.69/1.09  clause( 69, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 200, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  resolution(
% 0.69/1.09  clause( 202, [ equalish( X, 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  , clause( 7, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 69, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 72, [ equalish( X, 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 202, [ equalish( X, 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.10    1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 204, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.10  , clause( 6, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 69, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 73, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.10  , clause( 204, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.10    1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 205, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.10    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.10  , clause( 68, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_2', X, 'e_2' ) ) ] )
% 0.69/1.10  , 2, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.10    'e_2' ) ] )
% 0.69/1.10  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 206, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , 0, clause( 205, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.10     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 77, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 206, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 207, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ]
% 0.69/1.10     )
% 0.69/1.10  , clause( 72, [ equalish( X, 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , 1, clause( 77, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 208, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.10  , clause( 3, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , 0, clause( 207, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 79, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.10  , clause( 208, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 209, [ equalish( 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 73, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.10  , 1, clause( 79, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 210, [] )
% 0.69/1.10  , clause( 2, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.10  , 0, clause( 209, [ equalish( 'e_1', 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 83, [] )
% 0.69/1.10  , clause( 210, [] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  end.
% 0.69/1.10  
% 0.69/1.10  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.69/1.10  
% 0.69/1.10  Memory use:
% 0.69/1.10  
% 0.69/1.10  space for terms:        1370
% 0.69/1.10  space for clauses:      3814
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  clauses generated:      195
% 0.69/1.10  clauses kept:           84
% 0.69/1.10  clauses selected:       40
% 0.69/1.10  clauses deleted:        2
% 0.69/1.10  clauses inuse deleted:  0
% 0.69/1.10  
% 0.69/1.10  subsentry:          1714
% 0.69/1.10  literals s-matched: 933
% 0.69/1.10  literals matched:   553
% 0.69/1.10  full subsumption:   374
% 0.69/1.10  
% 0.69/1.10  checksum:           350781
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  Bliksem ended
%------------------------------------------------------------------------------