TSTP Solution File: GRP134-2.003 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP134-2.003 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n009.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 0s
% DateTime : Sat Jul 16 07:35:30 EDT 2022

% Result   : Unsatisfiable 0.42s 1.06s
% Output   : Refutation 0.42s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP134-2.003 : TPTP v8.1.0. Released v1.2.0.
% 0.03/0.12  % Command  : bliksem %s
% 0.13/0.32  % Computer : n009.cluster.edu
% 0.13/0.32  % Model    : x86_64 x86_64
% 0.13/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.32  % Memory   : 8042.1875MB
% 0.13/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % DateTime : Tue Jun 14 03:47:23 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.42/1.06  *** allocated 10000 integers for termspace/termends
% 0.42/1.06  *** allocated 10000 integers for clauses
% 0.42/1.06  *** allocated 10000 integers for justifications
% 0.42/1.06  Bliksem 1.12
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Automatic Strategy Selection
% 0.42/1.06  
% 0.42/1.06  Clauses:
% 0.42/1.06  [
% 0.42/1.06     [ next( 'e_1', 'e_2' ) ],
% 0.42/1.06     [ next( 'e_2', 'e_3' ) ],
% 0.42/1.06     [ greater( 'e_2', 'e_1' ) ],
% 0.42/1.06     [ greater( 'e_3', 'e_1' ) ],
% 0.42/1.06     [ greater( 'e_3', 'e_2' ) ],
% 0.42/1.06     [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( Y, Z ) ) ]
% 0.42/1.06    ,
% 0.42/1.06     [ 'group_element'( 'e_1' ) ],
% 0.42/1.06     [ 'group_element'( 'e_2' ) ],
% 0.42/1.06     [ 'group_element'( 'e_3' ) ],
% 0.42/1.06     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.42/1.06     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.42/1.06     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.42/1.06     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.42/1.06     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.42/1.06     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.42/1.06     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.42/1.06    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ],
% 0.42/1.06     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.42/1.06    ,
% 0.42/1.06     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.42/1.06    ,
% 0.42/1.06     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.42/1.06    ,
% 0.42/1.06     [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( Z, T, Y ) ]
% 0.42/1.06    
% 0.42/1.06  ] .
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  percentage equality = 0.000000, percentage horn = 0.950000
% 0.42/1.06  This is a near-Horn, non-equality  problem
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Options Used:
% 0.42/1.06  
% 0.42/1.06  useres =            1
% 0.42/1.06  useparamod =        0
% 0.42/1.06  useeqrefl =         0
% 0.42/1.06  useeqfact =         0
% 0.42/1.06  usefactor =         1
% 0.42/1.06  usesimpsplitting =  0
% 0.42/1.06  usesimpdemod =      0
% 0.42/1.06  usesimpres =        4
% 0.42/1.06  
% 0.42/1.06  resimpinuse      =  1000
% 0.42/1.06  resimpclauses =     20000
% 0.42/1.06  substype =          standard
% 0.42/1.06  backwardsubs =      1
% 0.42/1.06  selectoldest =      5
% 0.42/1.06  
% 0.42/1.06  litorderings [0] =  split
% 0.42/1.06  litorderings [1] =  liftord
% 0.42/1.06  
% 0.42/1.06  termordering =      none
% 0.42/1.06  
% 0.42/1.06  litapriori =        1
% 0.42/1.06  termapriori =       0
% 0.42/1.06  litaposteriori =    0
% 0.42/1.06  termaposteriori =   0
% 0.42/1.06  demodaposteriori =  0
% 0.42/1.06  ordereqreflfact =   0
% 0.42/1.06  
% 0.42/1.06  litselect =         negative
% 0.42/1.06  
% 0.42/1.06  maxweight =         30000
% 0.42/1.06  maxdepth =          30000
% 0.42/1.06  maxlength =         115
% 0.42/1.06  maxnrvars =         195
% 0.42/1.06  excuselevel =       0
% 0.42/1.06  increasemaxweight = 0
% 0.42/1.06  
% 0.42/1.06  maxselected =       10000000
% 0.42/1.06  maxnrclauses =      10000000
% 0.42/1.06  
% 0.42/1.06  showgenerated =    0
% 0.42/1.06  showkept =         0
% 0.42/1.06  showselected =     0
% 0.42/1.06  showdeleted =      0
% 0.42/1.06  showresimp =       1
% 0.42/1.06  showstatus =       2000
% 0.42/1.06  
% 0.42/1.06  prologoutput =     1
% 0.42/1.06  nrgoals =          5000000
% 0.42/1.06  totalproof =       1
% 0.42/1.06  
% 0.42/1.06  Symbols occurring in the translation:
% 0.42/1.06  
% 0.42/1.06  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.42/1.06  .  [1, 2]      (w:1, o:25, a:1, s:1, b:0), 
% 0.42/1.06  !  [4, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 0.42/1.06  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.42/1.06  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.42/1.06  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.42/1.06  'e_2'  [40, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.42/1.06  next  [41, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.42/1.06  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.42/1.06  greater  [43, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.42/1.06  product  [46, 3]      (w:1, o:53, a:1, s:1, b:0), 
% 0.42/1.06  'group_element'  [48, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 0.42/1.06  equalish  [49, 2]      (w:1, o:52, a:1, s:1, b:0).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Starting Search:
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Bliksems!, er is een bewijs:
% 0.42/1.06  % SZS status Unsatisfiable
% 0.42/1.06  % SZS output start Refutation
% 0.42/1.06  
% 0.42/1.06  clause( 0, [ next( 'e_1', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 4, [ greater( 'e_3', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 5, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( X
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 6, [ 'group_element'( 'e_1' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 7, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 8, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 9, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 10, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 11, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 12, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 13, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 14, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 15, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.42/1.06    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.42/1.06    Z ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.42/1.06    Z ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 19, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.42/1.06    , T ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 20, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.42/1.06    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 24, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 26, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.42/1.06     )
% 0.42/1.06  .
% 0.42/1.06  clause( 27, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.42/1.06    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 28, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.42/1.06    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 29, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.42/1.06    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 30, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 31, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 32, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 33, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 35, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_1', X, 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 36, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.42/1.06    product( X, 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 41, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 42, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 52, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 53, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 54, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 56, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 68, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ), product( X, 'e_3', 'e_3' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 74, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 76, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 90, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.42/1.06    'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 93, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.42/1.06    'e_2', 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 96, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 98, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.42/1.06    'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 103, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 107, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 108, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 109, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 113, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 120, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 122, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 125, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 128, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 130, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 132, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' ), 
% 0.42/1.06    ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 138, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 140, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 143, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 144, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 209, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 217, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 227, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 246, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 250, [ equalish( X, 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_3', X, 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 260, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 266, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 268, [ product( X, 'e_1', 'e_3' ), ~( product( 'e_2', 'e_3', X ) )
% 0.42/1.06     ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 270, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 280, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 286, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 288, [ equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_2', X, 'e_2' ) ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 291, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 298, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 299, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.42/1.06  .
% 0.42/1.06  clause( 300, [] )
% 0.42/1.06  .
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  % SZS output end Refutation
% 0.42/1.06  found a proof!
% 0.42/1.06  
% 0.42/1.06  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.42/1.06  
% 0.42/1.06  initialclauses(
% 0.42/1.06  [ clause( 302, [ next( 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 303, [ next( 'e_2', 'e_3' ) ] )
% 0.42/1.06  , clause( 304, [ greater( 'e_2', 'e_1' ) ] )
% 0.42/1.06  , clause( 305, [ greater( 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 306, [ greater( 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 307, [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( 
% 0.42/1.06    Y, Z ) ) ] )
% 0.42/1.06  , clause( 308, [ 'group_element'( 'e_1' ) ] )
% 0.42/1.06  , clause( 309, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  , clause( 310, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  , clause( 311, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  , clause( 312, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 313, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 314, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 315, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 316, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , clause( 317, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.42/1.06    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.42/1.06     )
% 0.42/1.06  , clause( 318, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.42/1.06    Z, T ) ] )
% 0.42/1.06  , clause( 319, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.42/1.06    Y, T ) ] )
% 0.42/1.06  , clause( 320, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.42/1.06    X, T ) ] )
% 0.42/1.06  , clause( 321, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.42/1.06    Z, T, Y ) ] )
% 0.42/1.06  ] ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 0, [ next( 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 302, [ next( 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 4, [ greater( 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 306, [ greater( 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 5, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( X
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , clause( 307, [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( 
% 0.42/1.06    Y, Z ) ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.42/1.06    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 6, [ 'group_element'( 'e_1' ) ] )
% 0.42/1.06  , clause( 308, [ 'group_element'( 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 7, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  , clause( 309, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 8, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  , clause( 310, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 9, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  , clause( 311, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 10, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 312, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 11, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 313, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 12, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 314, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 13, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 315, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 14, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , clause( 316, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 15, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.42/1.06    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.42/1.06  , clause( 317, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.42/1.06    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.42/1.06     )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.42/1.06     ), ==>( 1, 4 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.42/1.06    Z ) ) ] )
% 0.42/1.06  , clause( 319, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.42/1.06    Y, T ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.42/1.06    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.42/1.06    Z ) ) ] )
% 0.42/1.06  , clause( 320, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.42/1.06    X, T ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.42/1.06    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 19, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.42/1.06    , T ) ) ] )
% 0.42/1.06  , clause( 321, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.42/1.06    Z, T, Y ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.42/1.06    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 335, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.42/1.06    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.42/1.06  , clause( 15, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.42/1.06    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.42/1.06  , 0, 4, substitution( 0, [ :=( X, X ), :=( Y, X )] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 20, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.42/1.06    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , clause( 335, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.42/1.06    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.42/1.06    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 336, [ ~( product( X, X, Y ) ), product( Y, Y, X ) ] )
% 0.42/1.06  , clause( 19, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.42/1.06    , X, T ) ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [ :=( X, X ), :=( Y, X ), :=( Z, Y ), :=( T, Y )] )
% 0.42/1.06    ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 24, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.42/1.06  , clause( 336, [ ~( product( X, X, Y ) ), product( Y, Y, X ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.42/1.06     ), ==>( 1, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 337, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.42/1.06     )
% 0.42/1.06  , clause( 5, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( 
% 0.42/1.06    X, Z ) ) ] )
% 0.42/1.06  , 2, clause( 0, [ next( 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' )] ), 
% 0.42/1.06    substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 26, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.42/1.06     )
% 0.42/1.06  , clause( 337, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) )
% 0.42/1.06     ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 339, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.42/1.06    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 15, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.42/1.06    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.42/1.06  , 4, clause( 6, [ 'group_element'( 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.42/1.06    ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 27, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.42/1.06    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , clause( 339, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.42/1.06    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.42/1.06    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 341, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.42/1.06    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 15, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.42/1.06    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.42/1.06  , 4, clause( 7, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.42/1.06    ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 28, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.42/1.06    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , clause( 341, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.42/1.06    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.42/1.06    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 343, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.42/1.06    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 15, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.42/1.06    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.42/1.06  , 4, clause( 8, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' )] ), substitution( 1, [] )
% 0.42/1.06    ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 29, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.42/1.06    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , clause( 343, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.42/1.06    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.42/1.06    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 344, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 26, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.42/1.06     )
% 0.42/1.06  , 1, clause( 4, [ greater( 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 30, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 344, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 345, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 27, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.42/1.06    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 6, [ 'group_element'( 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 346, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 30, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , 0, clause( 345, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 31, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 346, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.42/1.06     ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 347, [ product( 'e_2', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 27, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.42/1.06    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 7, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 32, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.42/1.06  , clause( 347, [ product( 'e_2', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 348, [ product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 27, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.42/1.06    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 8, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 33, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.42/1.06  , clause( 348, [ product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 352, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.42/1.06    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 31, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 35, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_1', X, 'e_2' ) ) ] )
% 0.42/1.06  , clause( 352, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.42/1.06    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 356, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.42/1.06    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 31, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_2' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 36, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.42/1.06    product( X, 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  , clause( 356, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.42/1.06    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 357, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 20, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X
% 0.42/1.06    , X, 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 7, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 41, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.42/1.06  , clause( 357, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 358, [ product( 'e_3', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 20, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X
% 0.42/1.06    , X, 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 8, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 42, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , clause( 358, [ product( 'e_3', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 359, [ product( 'e_3', 'e_2', 'e_3' ), product( 'e_3', 'e_2', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 28, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.42/1.06    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 8, [ 'group_element'( 'e_3' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 52, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.42/1.06  , clause( 359, [ product( 'e_3', 'e_2', 'e_3' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 360, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 29, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.42/1.06    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 6, [ 'group_element'( 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 53, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , clause( 360, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 361, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 29, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.42/1.06    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.42/1.06  , 3, clause( 7, [ 'group_element'( 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 54, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , clause( 361, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 367, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.42/1.06    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 32, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 56, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.42/1.06  , clause( 367, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.42/1.06    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 373, [ ~( product( 'e_1', 'e_3', X ) ), product( X, 'e_3', 'e_3' )
% 0.42/1.06    , product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 19, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.42/1.06    , X, T ) ) ] )
% 0.42/1.06  , 2, clause( 33, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.42/1.06    'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 68, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ), product( X, 'e_3', 'e_3' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.42/1.06  , clause( 373, [ ~( product( 'e_1', 'e_3', X ) ), product( X, 'e_3', 'e_3'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.42/1.06    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 381, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_3', 'e_1' )
% 0.42/1.06    , product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 19, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.42/1.06    , X, T ) ) ] )
% 0.42/1.06  , 2, clause( 53, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' ), :=( Z, X ), :=( T, 
% 0.42/1.06    'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 74, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.42/1.06  , clause( 381, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.42/1.06    1 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 389, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 53, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 76, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 389, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 395, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 52, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_3' ), :=( T, 
% 0.42/1.06    'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 90, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.42/1.06    'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , clause( 395, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 401, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 41, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.42/1.06    'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 93, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.42/1.06    'e_2', 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.42/1.06  , clause( 401, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 404, [ product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 24, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.42/1.06  , 1, clause( 41, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.42/1.06    , [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 96, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 404, [ product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 410, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 42, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.42/1.06    'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 98, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.42/1.06    'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.42/1.06  , clause( 410, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 416, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 96, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.42/1.06    'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 103, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , clause( 416, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 417, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 56, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.42/1.06    product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.42/1.06  , 3, clause( 54, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 418, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 13, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , 0, clause( 417, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 107, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 418, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.42/1.06    , 1 ), ==>( 3, 3 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 419, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.42/1.06    'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 98, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.42/1.06  , 3, clause( 52, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 420, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 12, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , 0, clause( 419, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 108, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 420, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.42/1.06    , 1 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 421, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.42/1.06    'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 98, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.42/1.06  , 3, clause( 33, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 422, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 10, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , 0, clause( 421, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 109, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 422, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.42/1.06    , 1 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 423, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 93, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.42/1.06  , 3, clause( 54, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 424, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 14, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , 0, clause( 423, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 113, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 424, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.42/1.06    , 1 ), ==>( 3, 3 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 427, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 68, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ), product( X, 'e_3', 'e_3' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.42/1.06  , 3, clause( 53, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 446, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 74, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' )
% 0.42/1.06    , product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.42/1.06  , 3, clause( 427, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 448, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 446, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 0, 1, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 449, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 448, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 0, 4, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 450, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , clause( 449, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 1, 4, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 120, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.42/1.06  , clause( 450, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ]
% 0.42/1.06     )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.42/1.06    , 0 ), ==>( 3, 3 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 453, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 76, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.42/1.06  , 3, clause( 120, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 454, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 453, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 0, 4, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 455, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 454, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.42/1.06    'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 2, 4, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 456, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 13, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , 0, clause( 455, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 122, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , clause( 456, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 457, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 35, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_1', X, 'e_2' ) ) ] )
% 0.42/1.06  , 2, clause( 122, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 458, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_1'
% 0.42/1.06    , 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 36, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.42/1.06    product( X, 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  , 2, clause( 457, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 460, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 458, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_1'
% 0.42/1.06    , 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 1, 3, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 461, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 460, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 125, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 461, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.42/1.06    , 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 467, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 122, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 128, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , clause( 467, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.42/1.06    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 468, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 13, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , 0, clause( 125, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 130, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 468, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.42/1.06     ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 472, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_1', 'e_1' )
% 0.42/1.06    , product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 19, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.42/1.06    , X, T ) ) ] )
% 0.42/1.06  , 2, clause( 130, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' ), :=( Z, X ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 132, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' ), 
% 0.42/1.06    ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.42/1.06  , clause( 472, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.42/1.06    1 ), ==>( 2, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 477, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 132, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' )
% 0.42/1.06    , ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.42/1.06  , 2, clause( 33, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 478, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 477, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 1, 2, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 486, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 132, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' )
% 0.42/1.06    , ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.42/1.06  , 2, clause( 478, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 488, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 486, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 0, 1, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 489, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 488, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 0, 1, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 138, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 489, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.42/1.06     ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 491, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.42/1.06    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 36, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.42/1.06    product( X, 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  , 2, clause( 138, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 493, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 13, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , 0, clause( 491, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 494, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 493, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , 0, 1, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 140, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 494, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 496, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.42/1.06  , clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 140, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 143, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.42/1.06  , clause( 496, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 498, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 140, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_1' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 144, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 498, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 500, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 24, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.42/1.06  , 1, clause( 108, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.42/1.06    , [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 209, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.42/1.06  , clause( 500, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 1 ), ==>( 2
% 0.42/1.06    , 0 ), ==>( 3, 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 501, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.42/1.06    'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 90, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , 3, clause( 209, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 502, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 501, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.42/1.06    'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , 0, 3, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 503, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 502, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , 2, 4, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 504, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 12, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , 0, clause( 503, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 217, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 504, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.42/1.06    , 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 505, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 128, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , 3, clause( 109, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 507, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.42/1.06    , 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 144, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.42/1.06  , 1, clause( 505, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 4, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 509, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.42/1.06    , 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 507, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.42/1.06    , 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 3, 5, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 510, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 509, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.42/1.06    , 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 227, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.42/1.06     ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 510, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 1 ), ==>( 2
% 0.42/1.06    , 3 ), ==>( 3, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 511, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 143, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.42/1.06  , 1, clause( 227, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.42/1.06    'e_1' ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 512, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 511, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.42/1.06    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 513, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 13, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.42/1.06  , 0, clause( 512, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 246, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 513, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.42/1.06     ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 517, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 246, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 250, [ equalish( X, 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_3', X, 'e_2' ) ) ] )
% 0.42/1.06  , clause( 517, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.42/1.06    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 518, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 250, [ equalish( X, 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_3', X, 'e_2' ) ) ] )
% 0.42/1.06  , 2, clause( 217, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 520, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 11, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , 0, clause( 518, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 521, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 520, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 260, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 521, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.42/1.06     ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 522, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_3', 'e_2', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 24, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.42/1.06  , 1, clause( 260, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.42/1.06    , [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 523, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.42/1.06  , clause( 30, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , 0, clause( 522, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_3', 'e_2', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 266, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.42/1.06  , clause( 523, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 525, [ ~( product( 'e_2', 'e_3', X ) ), product( X, 'e_1', 'e_3' )
% 0.42/1.06     ] )
% 0.42/1.06  , clause( 19, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.42/1.06    , X, T ) ) ] )
% 0.42/1.06  , 2, clause( 266, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.42/1.06    'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 268, [ product( X, 'e_1', 'e_3' ), ~( product( 'e_2', 'e_3', X ) )
% 0.42/1.06     ] )
% 0.42/1.06  , clause( 525, [ ~( product( 'e_2', 'e_3', X ) ), product( X, 'e_1', 'e_3'
% 0.42/1.06     ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.42/1.06    0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 527, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 18, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 266, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_1' ), :=( T, 
% 0.42/1.06    'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 270, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , clause( 527, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 528, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 103, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , 3, clause( 113, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 529, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 528, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , 0, 3, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 530, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 529, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , 2, 4, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 531, [ equalish( 'e_2', 'e_3' ), equalish( 'e_2', 'e_3' ), product( 
% 0.42/1.06    'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 270, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , 1, clause( 530, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 532, [ equalish( 'e_2', 'e_3' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.42/1.06    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 531, [ equalish( 'e_2', 'e_3' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, 1, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 280, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.42/1.06    product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , clause( 532, [ equalish( 'e_2', 'e_3' ), product( 'e_2', 'e_2', 'e_2' ), 
% 0.42/1.06    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.42/1.06    , 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 533, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 12, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.42/1.06  , 0, clause( 280, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.42/1.06     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 286, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 533, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.42/1.06     ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 537, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.42/1.06    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 17, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.42/1.06    , Z ) ) ] )
% 0.42/1.06  , 2, clause( 286, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 
% 0.42/1.06    'e_2' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.42/1.06    'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 288, [ equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_2', X, 'e_2' ) ) ] )
% 0.42/1.06  , clause( 537, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.42/1.06    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.42/1.06    2 ), ==>( 2, 1 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 539, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.42/1.06    'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 288, [ equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_2', X, 'e_2' ) ) ] )
% 0.42/1.06  , 2, clause( 107, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 542, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 14, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.42/1.06  , 0, clause( 539, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 543, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 542, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ]
% 0.42/1.06     )
% 0.42/1.06  , 0, 2, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 291, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , clause( 543, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.42/1.06    , 2 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 544, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.42/1.06    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 288, [ equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 0.42/1.06    product( 'e_2', X, 'e_2' ) ) ] )
% 0.42/1.06  , 2, clause( 291, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.42/1.06  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 546, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , clause( 9, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.42/1.06  , 0, clause( 544, [ equalish( 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  factor(
% 0.42/1.06  clause( 547, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 546, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.42/1.06  , 0, 2, substitution( 0, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 298, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 547, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.42/1.06     ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 548, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 'e_1'
% 0.42/1.06     ) ] )
% 0.42/1.06  , clause( 268, [ product( X, 'e_1', 'e_3' ), ~( product( 'e_2', 'e_3', X )
% 0.42/1.06     ) ] )
% 0.42/1.06  , 1, clause( 298, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 549, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 30, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.42/1.06  , 0, clause( 548, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 
% 0.42/1.06    'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 299, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , clause( 549, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 550, [ equalish( 'e_2', 'e_1' ) ] )
% 0.42/1.06  , clause( 144, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.42/1.06  , 1, clause( 299, [ product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  resolution(
% 0.42/1.06  clause( 551, [] )
% 0.42/1.06  , clause( 11, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.42/1.06  , 0, clause( 550, [ equalish( 'e_2', 'e_1' ) ] )
% 0.42/1.06  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  subsumption(
% 0.42/1.06  clause( 300, [] )
% 0.42/1.06  , clause( 551, [] )
% 0.42/1.06  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  end.
% 0.42/1.06  
% 0.42/1.06  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.42/1.06  
% 0.42/1.06  Memory use:
% 0.42/1.06  
% 0.42/1.06  space for terms:        4730
% 0.42/1.06  space for clauses:      13673
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  clauses generated:      896
% 0.42/1.06  clauses kept:           301
% 0.42/1.06  clauses selected:       171
% 0.42/1.06  clauses deleted:        21
% 0.42/1.06  clauses inuse deleted:  0
% 0.42/1.06  
% 0.42/1.06  subsentry:          3326
% 0.42/1.06  literals s-matched: 1878
% 0.42/1.06  literals matched:   1318
% 0.42/1.06  full subsumption:   204
% 0.42/1.06  
% 0.42/1.06  checksum:           -1234681219
% 0.42/1.06  
% 0.42/1.06  
% 0.42/1.06  Bliksem ended
%------------------------------------------------------------------------------