TSTP Solution File: GRP130-1.003 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP130-1.003 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n025.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 07:35:23 EDT 2022

% Result   : Unsatisfiable 0.84s 1.18s
% Output   : Refutation 0.84s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : GRP130-1.003 : TPTP v8.1.0. Released v1.2.0.
% 0.08/0.14  % Command  : bliksem %s
% 0.13/0.35  % Computer : n025.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % DateTime : Mon Jun 13 21:21:24 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.84/1.18  *** allocated 10000 integers for termspace/termends
% 0.84/1.18  *** allocated 10000 integers for clauses
% 0.84/1.18  *** allocated 10000 integers for justifications
% 0.84/1.18  Bliksem 1.12
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  Automatic Strategy Selection
% 0.84/1.18  
% 0.84/1.18  Clauses:
% 0.84/1.18  [
% 0.84/1.18     [ 'group_element'( 'e_1' ) ],
% 0.84/1.18     [ 'group_element'( 'e_2' ) ],
% 0.84/1.18     [ 'group_element'( 'e_3' ) ],
% 0.84/1.18     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.84/1.18     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.84/1.18     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.84/1.18     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.84/1.18     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.84/1.18     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.84/1.18     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.84/1.18    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ],
% 0.84/1.18     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.84/1.18    ,
% 0.84/1.18     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.84/1.18    ,
% 0.84/1.18     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.84/1.18    ,
% 0.84/1.18     [ ~( product( X, Y, Z ) ), ~( product( X, Z, T ) ), product( T, Y, X ) ]
% 0.84/1.18    
% 0.84/1.18  ] .
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  percentage equality = 0.000000, percentage horn = 0.928571
% 0.84/1.18  This is a near-Horn, non-equality  problem
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  Options Used:
% 0.84/1.18  
% 0.84/1.18  useres =            1
% 0.84/1.18  useparamod =        0
% 0.84/1.18  useeqrefl =         0
% 0.84/1.18  useeqfact =         0
% 0.84/1.18  usefactor =         1
% 0.84/1.18  usesimpsplitting =  0
% 0.84/1.18  usesimpdemod =      0
% 0.84/1.18  usesimpres =        4
% 0.84/1.18  
% 0.84/1.18  resimpinuse      =  1000
% 0.84/1.18  resimpclauses =     20000
% 0.84/1.18  substype =          standard
% 0.84/1.18  backwardsubs =      1
% 0.84/1.18  selectoldest =      5
% 0.84/1.18  
% 0.84/1.18  litorderings [0] =  split
% 0.84/1.18  litorderings [1] =  liftord
% 0.84/1.18  
% 0.84/1.18  termordering =      none
% 0.84/1.18  
% 0.84/1.18  litapriori =        1
% 0.84/1.18  termapriori =       0
% 0.84/1.18  litaposteriori =    0
% 0.84/1.18  termaposteriori =   0
% 0.84/1.18  demodaposteriori =  0
% 0.84/1.18  ordereqreflfact =   0
% 0.84/1.18  
% 0.84/1.18  litselect =         negative
% 0.84/1.18  
% 0.84/1.18  maxweight =         30000
% 0.84/1.18  maxdepth =          30000
% 0.84/1.18  maxlength =         115
% 0.84/1.18  maxnrvars =         195
% 0.84/1.18  excuselevel =       0
% 0.84/1.18  increasemaxweight = 0
% 0.84/1.18  
% 0.84/1.18  maxselected =       10000000
% 0.84/1.18  maxnrclauses =      10000000
% 0.84/1.18  
% 0.84/1.18  showgenerated =    0
% 0.84/1.18  showkept =         0
% 0.84/1.18  showselected =     0
% 0.84/1.18  showdeleted =      0
% 0.84/1.18  showresimp =       1
% 0.84/1.18  showstatus =       2000
% 0.84/1.18  
% 0.84/1.18  prologoutput =     1
% 0.84/1.18  nrgoals =          5000000
% 0.84/1.18  totalproof =       1
% 0.84/1.18  
% 0.84/1.18  Symbols occurring in the translation:
% 0.84/1.18  
% 0.84/1.18  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.84/1.18  .  [1, 2]      (w:1, o:24, a:1, s:1, b:0), 
% 0.84/1.18  !  [4, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 0.84/1.18  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.84/1.18  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.84/1.18  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.84/1.18  'group_element'  [40, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 0.84/1.18  'e_2'  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.84/1.18  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.84/1.18  equalish  [43, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.84/1.18  product  [46, 3]      (w:1, o:50, a:1, s:1, b:0).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  Starting Search:
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  Bliksems!, er is een bewijs:
% 0.84/1.18  % SZS status Unsatisfiable
% 0.84/1.18  % SZS output start Refutation
% 0.84/1.18  
% 0.84/1.18  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.84/1.18    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.84/1.18    T ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.84/1.18    Z ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.84/1.18    Z ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X, Z
% 0.84/1.18    , T ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.84/1.18    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 18, [ product( Y, Y, X ), ~( product( X, Y, Y ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 19, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.84/1.18    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 20, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.84/1.18    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.84/1.18    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 23, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 42, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 56, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 57, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 73, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', X, 'e_1' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 74, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.84/1.18    'e_3', 'e_3', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 78, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 80, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 81, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 84, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_3', X ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 85, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 94, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_3', X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 97, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 110, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 117, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 118, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 130, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', X, 'e_2' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_3' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 134, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 135, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 136, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 138, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 139, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 140, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 147, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 153, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 154, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 156, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 208, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 220, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 222, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 225, [ equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 227, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( X, 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 234, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 235, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 236, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', X, 'e_1' ), 
% 0.84/1.18    ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 237, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_1', X, 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 246, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 247, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  .
% 0.84/1.18  clause( 253, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 261, [ product( 'e_1', X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) )
% 0.84/1.18     ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 262, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 265, [ product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 266, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 268, [ product( 'e_2', X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) )
% 0.84/1.18     ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 269, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 277, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 282, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 283, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 286, [ equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 301, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 307, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 311, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 312, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  .
% 0.84/1.18  clause( 318, [] )
% 0.84/1.18  .
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  % SZS output end Refutation
% 0.84/1.18  found a proof!
% 0.84/1.18  
% 0.84/1.18  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.84/1.18  
% 0.84/1.18  initialclauses(
% 0.84/1.18  [ clause( 320, [ 'group_element'( 'e_1' ) ] )
% 0.84/1.18  , clause( 321, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  , clause( 322, [ 'group_element'( 'e_3' ) ] )
% 0.84/1.18  , clause( 323, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , clause( 324, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.84/1.18  , clause( 325, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.84/1.18  , clause( 326, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  , clause( 327, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , clause( 328, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , clause( 329, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.84/1.18    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.84/1.18     )
% 0.84/1.18  , clause( 330, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.84/1.18    Z, T ) ] )
% 0.84/1.18  , clause( 331, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.84/1.18    Y, T ) ] )
% 0.84/1.18  , clause( 332, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.84/1.18    X, T ) ] )
% 0.84/1.18  , clause( 333, [ ~( product( X, Y, Z ) ), ~( product( X, Z, T ) ), product( 
% 0.84/1.18    T, Y, X ) ] )
% 0.84/1.18  ] ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.84/1.18  , clause( 320, [ 'group_element'( 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  , clause( 321, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.84/1.18  , clause( 322, [ 'group_element'( 'e_3' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , clause( 323, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.84/1.18  , clause( 324, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.84/1.18  , clause( 325, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  , clause( 326, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , clause( 327, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , clause( 328, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.84/1.18    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.84/1.18  , clause( 329, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.84/1.18    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.84/1.18     ), ==>( 1, 4 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.84/1.18    T ) ) ] )
% 0.84/1.18  , clause( 330, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.84/1.18    Z, T ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.84/1.18    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.84/1.18    Z ) ) ] )
% 0.84/1.18  , clause( 331, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.84/1.18    Y, T ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.84/1.18    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.84/1.18    Z ) ) ] )
% 0.84/1.18  , clause( 332, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.84/1.18    X, T ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.84/1.18    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X, Z
% 0.84/1.18    , T ) ) ] )
% 0.84/1.18  , clause( 333, [ ~( product( X, Y, Z ) ), ~( product( X, Z, T ) ), product( 
% 0.84/1.18    T, Y, X ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.84/1.18    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 349, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.84/1.18    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.84/1.18  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.84/1.18    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.84/1.18  , 0, 4, substitution( 0, [ :=( X, X ), :=( Y, X )] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.84/1.18    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , clause( 349, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.84/1.18    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.84/1.18    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 350, [ ~( product( X, Y, Y ) ), product( Y, Y, X ) ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 0, 2, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Y ), :=( T, Y )] )
% 0.84/1.18    ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 18, [ product( Y, Y, X ), ~( product( X, Y, Y ) ) ] )
% 0.84/1.18  , clause( 350, [ ~( product( X, Y, Y ) ), product( Y, Y, X ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.84/1.18     ), ==>( 1, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 352, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.84/1.18    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.84/1.18    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.84/1.18  , 4, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.84/1.18    ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 19, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.84/1.18    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , clause( 352, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.84/1.18    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.84/1.18    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 354, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.84/1.18    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.84/1.18    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.84/1.18  , 4, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.84/1.18    ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 20, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.84/1.18    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , clause( 354, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.84/1.18    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.84/1.18    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 356, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.84/1.18    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.84/1.18    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.84/1.18  , 4, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' )] ), substitution( 1, [] )
% 0.84/1.18    ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.84/1.18    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , clause( 356, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.84/1.18    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.84/1.18    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 357, [ product( 'e_2', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 19, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.84/1.18    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 23, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.84/1.18  , clause( 357, [ product( 'e_2', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 358, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X
% 0.84/1.18    , X, 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.84/1.18  , clause( 358, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 359, [ product( 'e_1', 'e_2', 'e_3' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 20, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.84/1.18    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 42, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.84/1.18  , clause( 359, [ product( 'e_1', 'e_2', 'e_3' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 360, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.84/1.18    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 56, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.84/1.18  , clause( 360, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 361, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.84/1.18    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.84/1.18  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 57, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.84/1.18  , clause( 361, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 362, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 18, [ product( Y, Y, X ), ~( product( X, Y, Y ) ) ] )
% 0.84/1.18  , 1, clause( 56, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.84/1.18    , [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 362, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 368, [ ~( product( 'e_1', X, 'e_3' ) ), product( 'e_2', X, 'e_1' )
% 0.84/1.18    , product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 2, clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 73, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', X, 'e_1' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.84/1.18  , clause( 368, [ ~( product( 'e_1', X, 'e_3' ) ), product( 'e_2', X, 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.84/1.18    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 377, [ equalish( X, 'e_3' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 74, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.84/1.18    'e_3', 'e_3', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , clause( 377, [ equalish( X, 'e_3' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 383, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 57, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.84/1.18    'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 78, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.84/1.18  , clause( 383, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 389, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 57, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 80, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.84/1.18  , clause( 389, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 390, [ product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 18, [ product( Y, Y, X ), ~( product( X, Y, Y ) ) ] )
% 0.84/1.18  , 1, clause( 57, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.84/1.18    , [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 81, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 390, [ product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 396, [ equalish( X, 'e_2' ), ~( product( 'e_3', 'e_3', X ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.84/1.18    , T ) ) ] )
% 0.84/1.18  , 2, clause( 81, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 84, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_3', X ) ) ] )
% 0.84/1.18  , clause( 396, [ equalish( X, 'e_2' ), ~( product( 'e_3', 'e_3', X ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 402, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 81, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 85, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , clause( 402, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 408, [ ~( product( 'e_2', X, 'e_2' ) ), product( 'e_3', X, 'e_2' )
% 0.84/1.18    , product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 2, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 94, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_3', X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , clause( 408, [ ~( product( 'e_2', X, 'e_2' ) ), product( 'e_3', X, 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.84/1.18    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 416, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ), 
% 0.84/1.18    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_3' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 97, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  , clause( 416, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ), 
% 0.84/1.18    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 417, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 
% 0.84/1.18    'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 97, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  , 3, clause( 42, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 418, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , 0, clause( 417, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 110, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 418, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.84/1.18    , 1 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 419, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 78, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.84/1.18  , 3, clause( 23, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 420, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.84/1.18  , 0, clause( 419, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 117, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 420, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.84/1.18    , 1 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 421, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.84/1.18    'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 80, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.84/1.18  , 3, clause( 56, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 422, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , 0, clause( 421, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 118, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 422, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.84/1.18    , 1 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 430, [ ~( product( 'e_2', X, 'e_3' ) ), product( 'e_2', X, 'e_2' )
% 0.84/1.18    , product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 2, clause( 117, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 130, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', X, 'e_2' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_3' ) ) ] )
% 0.84/1.18  , clause( 430, [ ~( product( 'e_2', X, 'e_3' ) ), product( 'e_2', X, 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 1 ), ==>( 3, 0 ), ==>( 4, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 435, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 'e_1', 'e_3' ) ) ]
% 0.84/1.18     )
% 0.84/1.18  , clause( 130, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', X, 'e_2' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_3' ) ) ] )
% 0.84/1.18  , 2, 3, substitution( 0, [ :=( X, 'e_1' )] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 436, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 435, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 'e_1', 'e_3'
% 0.84/1.18     ) ) ] )
% 0.84/1.18  , 3, clause( 23, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 437, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 436, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 0, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 438, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 437, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 2, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 134, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 438, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.84/1.18    , 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 444, [ ~( product( 'e_2', X, 'e_1' ) ), product( 'e_2', X, 'e_2' )
% 0.84/1.18    , product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 2, clause( 134, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 135, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , clause( 444, [ ~( product( 'e_2', X, 'e_1' ) ), product( 'e_2', X, 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.84/1.18    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 451, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 134, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 136, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , clause( 451, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 457, [ equalish( X, 'e_2' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 134, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 138, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , clause( 457, [ equalish( X, 'e_2' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 458, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.84/1.18    'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 136, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , 3, clause( 118, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 460, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , 0, clause( 458, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 461, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 460, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 1, 2, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 139, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 461, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.84/1.18    , 1 ), ==>( 3, 3 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 462, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 85, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , 3, clause( 139, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 464, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.84/1.18  , 0, clause( 462, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 465, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 464, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 0, 4, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 140, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 465, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 3 ), ==>( 2
% 0.84/1.18    , 0 ), ==>( 3, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 466, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 136, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , 3, clause( 140, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 467, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 466, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 0, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 468, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 467, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 2, 4, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 469, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , 0, clause( 468, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 147, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 469, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 475, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 147, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 153, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , clause( 475, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 476, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 73, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', X, 'e_1' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.84/1.18  , 3, clause( 42, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 477, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 18, [ product( Y, Y, X ), ~( product( X, Y, Y ) ) ] )
% 0.84/1.18  , 1, clause( 476, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , 4, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.84/1.18    , [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 478, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 477, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 0, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 154, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 478, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 3 ), ==>( 3, 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 480, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 153, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_1', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , 3, clause( 154, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 482, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , 0, clause( 480, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 483, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 482, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 1, 2, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 156, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 483, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 3 ), ==>( 2
% 0.84/1.18    , 0 ), ==>( 3, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 484, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 94, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_3', X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , 3, clause( 134, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 485, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.84/1.18    product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 135, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , 3, clause( 484, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 486, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.84/1.18    product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 485, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.84/1.18    product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 0, 5, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 487, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.84/1.18    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 486, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.84/1.18    product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 1, 5, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 488, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 487, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.84/1.18    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 2, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 208, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 488, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.84/1.18    , 3 ), ==>( 3, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 489, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 136, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , 3, clause( 208, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 490, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 489, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 0, 4, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 491, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 490, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 2, 4, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 492, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.84/1.18  , 0, clause( 491, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 220, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 492, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.84/1.18    , 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 493, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 138, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , 3, clause( 220, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 494, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 493, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 0, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 495, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 494, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 2, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 496, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , 0, clause( 495, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 222, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 496, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.84/1.18     ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 500, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 222, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 225, [ equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , clause( 500, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.84/1.18    2 ), ==>( 2, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 504, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 222, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 227, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( X, 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , clause( 504, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.84/1.18    2 ), ==>( 2, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 505, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 
% 0.84/1.18    'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 227, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( X, 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , 2, clause( 156, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 507, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , 0, clause( 505, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 508, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 507, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 0, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 234, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 508, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.84/1.18    , 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 510, [ equalish( 'e_2', 'e_3' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 225, [ equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , 2, clause( 234, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 512, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  , 0, clause( 510, [ equalish( 'e_2', 'e_3' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 513, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 512, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 0, 1, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 235, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 513, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.84/1.18     ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 517, [ ~( product( 'e_1', X, 'e_2' ) ), product( 'e_1', X, 'e_1' )
% 0.84/1.18    , product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 2, clause( 235, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 236, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', X, 'e_1' ), 
% 0.84/1.18    ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , clause( 517, [ ~( product( 'e_1', X, 'e_2' ) ), product( 'e_1', X, 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.84/1.18    1 ), ==>( 2, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 521, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 235, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 237, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_1', X, 'e_1' ) ) ] )
% 0.84/1.18  , clause( 521, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_1' ) ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.84/1.18    2 ), ==>( 2, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 522, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 236, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', X, 'e_1' )
% 0.84/1.18    , ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , 2, clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 523, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 522, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 1, 2, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 246, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 523, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.84/1.18    , 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 525, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 227, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( X, 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , 2, clause( 246, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 528, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2'
% 0.84/1.18    , 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 237, [ equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_1', X, 'e_1' ) ) ] )
% 0.84/1.18  , 2, clause( 525, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 530, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 528, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2'
% 0.84/1.18    , 'e_1', 'e_1' ) ] )
% 0.84/1.18  , 1, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 532, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    equalish( 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 530, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , 1, 3, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 533, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , clause( 532, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.84/1.18    equalish( 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 0, 2, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 247, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , clause( 533, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.84/1.18     ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 534, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.84/1.18  , 0, clause( 247, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 253, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , clause( 534, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 536, [ ~( product( 'e_2', X, 'e_1' ) ), product( 'e_1', X, 'e_2' )
% 0.84/1.18     ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 2, clause( 253, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 261, [ product( 'e_1', X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) )
% 0.84/1.18     ] )
% 0.84/1.18  , clause( 536, [ ~( product( 'e_2', X, 'e_1' ) ), product( 'e_1', X, 'e_2'
% 0.84/1.18     ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 538, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 253, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 262, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , clause( 538, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.84/1.18    1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 539, [ product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 18, [ product( Y, Y, X ), ~( product( X, Y, Y ) ) ] )
% 0.84/1.18  , 1, clause( 253, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.84/1.18    , [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 265, [ product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , clause( 539, [ product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 540, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.84/1.18    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 74, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.84/1.18    product( 'e_3', 'e_3', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , 3, clause( 265, [ product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 541, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.84/1.18  , 0, clause( 540, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.84/1.18     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 266, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 541, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.84/1.18     ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 543, [ ~( product( 'e_1', X, 'e_1' ) ), product( 'e_2', X, 'e_1' )
% 0.84/1.18     ] )
% 0.84/1.18  , clause( 13, [ ~( product( X, Y, Z ) ), product( T, Y, X ), ~( product( X
% 0.84/1.18    , Z, T ) ) ] )
% 0.84/1.18  , 2, clause( 265, [ product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.84/1.18    'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 268, [ product( 'e_2', X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) )
% 0.84/1.18     ] )
% 0.84/1.18  , clause( 543, [ ~( product( 'e_1', X, 'e_1' ) ), product( 'e_2', X, 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.84/1.18    0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 545, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 265, [ product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 269, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , clause( 545, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.84/1.18    1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 546, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 84, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_3', X ) ) ] )
% 0.84/1.18  , 3, clause( 266, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 547, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 268, [ product( 'e_2', X, 'e_1' ), ~( product( 'e_1', X, 'e_1' )
% 0.84/1.18     ) ] )
% 0.84/1.18  , 1, clause( 546, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 548, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 547, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 0, 1, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 277, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , clause( 548, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 549, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.84/1.18  , 0, clause( 277, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 282, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 549, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.84/1.18     ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 550, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 261, [ product( 'e_1', X, 'e_2' ), ~( product( 'e_2', X, 'e_1' )
% 0.84/1.18     ) ] )
% 0.84/1.18  , 1, clause( 110, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  factor(
% 0.84/1.18  clause( 551, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 550, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ]
% 0.84/1.18     )
% 0.84/1.18  , 0, 2, substitution( 0, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 283, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.84/1.18     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 551, [ product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 555, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.84/1.18    , Z ) ) ] )
% 0.84/1.18  , 2, clause( 282, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_2' ) ] )
% 0.84/1.18  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.84/1.18    'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 286, [ equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , clause( 555, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.84/1.18    2 ), ==>( 2, 1 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 556, [ equalish( 'e_2', 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.84/1.18    product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 286, [ equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 0.84/1.18    product( 'e_2', X, 'e_2' ) ) ] )
% 0.84/1.18  , 2, clause( 283, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 557, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.84/1.18  , 0, clause( 556, [ equalish( 'e_2', 'e_3' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 301, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , clause( 557, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_2', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.84/1.18    , 2 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 558, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.84/1.18    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , clause( 269, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.84/1.18  , 1, clause( 301, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.84/1.18  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 559, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.84/1.18  , 0, clause( 558, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 307, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , clause( 559, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.84/1.18     ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 560, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ]
% 0.84/1.18     )
% 0.84/1.18  , clause( 262, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , 1, clause( 307, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.84/1.18    'e_1' ) ] )
% 0.84/1.18  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 561, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.84/1.18  , 0, clause( 560, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.84/1.18     ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 311, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 561, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 562, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 268, [ product( 'e_2', X, 'e_1' ), ~( product( 'e_1', X, 'e_1' )
% 0.84/1.18     ) ] )
% 0.84/1.18  , 1, clause( 311, [ product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 312, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 562, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 563, [ equalish( 'e_2', 'e_1' ) ] )
% 0.84/1.18  , clause( 262, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.84/1.18  , 1, clause( 312, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  resolution(
% 0.84/1.18  clause( 564, [] )
% 0.84/1.18  , clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.84/1.18  , 0, clause( 563, [ equalish( 'e_2', 'e_1' ) ] )
% 0.84/1.18  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  subsumption(
% 0.84/1.18  clause( 318, [] )
% 0.84/1.18  , clause( 564, [] )
% 0.84/1.18  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  end.
% 0.84/1.18  
% 0.84/1.18  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.84/1.18  
% 0.84/1.18  Memory use:
% 0.84/1.18  
% 0.84/1.18  space for terms:        4915
% 0.84/1.18  space for clauses:      14652
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  clauses generated:      1005
% 0.84/1.18  clauses kept:           319
% 0.84/1.18  clauses selected:       169
% 0.84/1.18  clauses deleted:        38
% 0.84/1.18  clauses inuse deleted:  0
% 0.84/1.18  
% 0.84/1.18  subsentry:          3526
% 0.84/1.18  literals s-matched: 2155
% 0.84/1.18  literals matched:   1517
% 0.84/1.18  full subsumption:   259
% 0.84/1.18  
% 0.84/1.18  checksum:           805470830
% 0.84/1.18  
% 0.84/1.18  
% 0.84/1.18  Bliksem ended
%------------------------------------------------------------------------------