TSTP Solution File: GRP134-1.003 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP134-1.003 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n024.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 07:35:29 EDT 2022

% Result   : Unsatisfiable 0.69s 1.12s
% Output   : Refutation 0.69s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13  % Problem  : GRP134-1.003 : TPTP v8.1.0. Released v1.2.0.
% 0.11/0.14  % Command  : bliksem %s
% 0.14/0.35  % Computer : n024.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % DateTime : Mon Jun 13 06:39:03 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.69/1.11  *** allocated 10000 integers for termspace/termends
% 0.69/1.11  *** allocated 10000 integers for clauses
% 0.69/1.11  *** allocated 10000 integers for justifications
% 0.69/1.11  Bliksem 1.12
% 0.69/1.11  
% 0.69/1.11  
% 0.69/1.11  Automatic Strategy Selection
% 0.69/1.11  
% 0.69/1.11  Clauses:
% 0.69/1.11  [
% 0.69/1.11     [ 'group_element'( 'e_1' ) ],
% 0.69/1.11     [ 'group_element'( 'e_2' ) ],
% 0.69/1.11     [ 'group_element'( 'e_3' ) ],
% 0.69/1.11     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.69/1.11     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.69/1.11     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.69/1.11     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.69/1.11     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.69/1.11     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.69/1.11     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.69/1.11    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ],
% 0.69/1.11     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.69/1.11    ,
% 0.69/1.11     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.69/1.11    ,
% 0.69/1.11     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.69/1.11    ,
% 0.69/1.11     [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( Z, T, Y ) ]
% 0.69/1.11    
% 0.69/1.11  ] .
% 0.69/1.11  
% 0.69/1.11  
% 0.69/1.11  percentage equality = 0.000000, percentage horn = 0.928571
% 0.69/1.12  This is a near-Horn, non-equality  problem
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  Options Used:
% 0.69/1.12  
% 0.69/1.12  useres =            1
% 0.69/1.12  useparamod =        0
% 0.69/1.12  useeqrefl =         0
% 0.69/1.12  useeqfact =         0
% 0.69/1.12  usefactor =         1
% 0.69/1.12  usesimpsplitting =  0
% 0.69/1.12  usesimpdemod =      0
% 0.69/1.12  usesimpres =        4
% 0.69/1.12  
% 0.69/1.12  resimpinuse      =  1000
% 0.69/1.12  resimpclauses =     20000
% 0.69/1.12  substype =          standard
% 0.69/1.12  backwardsubs =      1
% 0.69/1.12  selectoldest =      5
% 0.69/1.12  
% 0.69/1.12  litorderings [0] =  split
% 0.69/1.12  litorderings [1] =  liftord
% 0.69/1.12  
% 0.69/1.12  termordering =      none
% 0.69/1.12  
% 0.69/1.12  litapriori =        1
% 0.69/1.12  termapriori =       0
% 0.69/1.12  litaposteriori =    0
% 0.69/1.12  termaposteriori =   0
% 0.69/1.12  demodaposteriori =  0
% 0.69/1.12  ordereqreflfact =   0
% 0.69/1.12  
% 0.69/1.12  litselect =         negative
% 0.69/1.12  
% 0.69/1.12  maxweight =         30000
% 0.69/1.12  maxdepth =          30000
% 0.69/1.12  maxlength =         115
% 0.69/1.12  maxnrvars =         195
% 0.69/1.12  excuselevel =       0
% 0.69/1.12  increasemaxweight = 0
% 0.69/1.12  
% 0.69/1.12  maxselected =       10000000
% 0.69/1.12  maxnrclauses =      10000000
% 0.69/1.12  
% 0.69/1.12  showgenerated =    0
% 0.69/1.12  showkept =         0
% 0.69/1.12  showselected =     0
% 0.69/1.12  showdeleted =      0
% 0.69/1.12  showresimp =       1
% 0.69/1.12  showstatus =       2000
% 0.69/1.12  
% 0.69/1.12  prologoutput =     1
% 0.69/1.12  nrgoals =          5000000
% 0.69/1.12  totalproof =       1
% 0.69/1.12  
% 0.69/1.12  Symbols occurring in the translation:
% 0.69/1.12  
% 0.69/1.12  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.69/1.12  .  [1, 2]      (w:1, o:24, a:1, s:1, b:0), 
% 0.69/1.12  !  [4, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 0.69/1.12  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.69/1.12  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.69/1.12  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.69/1.12  'group_element'  [40, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 0.69/1.12  'e_2'  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.69/1.12  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.69/1.12  equalish  [43, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.69/1.12  product  [46, 3]      (w:1, o:50, a:1, s:1, b:0).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  Starting Search:
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  Bliksems!, er is een bewijs:
% 0.69/1.12  % SZS status Unsatisfiable
% 0.69/1.12  % SZS output start Refutation
% 0.69/1.12  
% 0.69/1.12  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.69/1.12    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.69/1.12    T ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.69/1.12    Z ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.69/1.12    Z ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.69/1.12    , T ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.69/1.12    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 19, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.12    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 20, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.69/1.12    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.12    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 22, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 24, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 29, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 32, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 33, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 46, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 58, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 59, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 65, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 68, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 76, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( X, 'e_3', 'e_2' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 79, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 81, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.69/1.12     ), product( X, 'e_3', 'e_3' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 89, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 90, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( X, 'e_3', 'e_3' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 93, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 95, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_2', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 97, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 101, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 106, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 108, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 110, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 111, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 131, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 132, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 134, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 138, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 140, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 149, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 150, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 151, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( X, 'e_2', 'e_1' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 155, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 160, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 162, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 164, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.12    product( X, 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 192, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 193, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 194, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 198, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 199, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 205, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 206, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 207, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 208, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 209, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 210, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 214, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 215, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 217, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.12    ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 222, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 224, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 226, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 228, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 229, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 232, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_2', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 249, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 254, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 258, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 277, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 282, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 284, [ equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 298, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 299, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 304, [ equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 0.69/1.12    product( X, 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 331, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 337, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 340, [ product( 'e_3', 'e_3', 'e_1' ), product( X, 'e_2', 'e_3' ), 
% 0.69/1.12    ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 341, [ equalish( X, 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 344, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 345, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 348, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 351, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 353, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 362, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 372, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 380, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 387, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  .
% 0.69/1.12  clause( 388, [] )
% 0.69/1.12  .
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  % SZS output end Refutation
% 0.69/1.12  found a proof!
% 0.69/1.12  
% 0.69/1.12  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.69/1.12  
% 0.69/1.12  initialclauses(
% 0.69/1.12  [ clause( 390, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.12  , clause( 391, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.12  , clause( 392, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  , clause( 393, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 394, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 395, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 396, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 397, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 398, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 399, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.69/1.12    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , clause( 400, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.69/1.12    Z, T ) ] )
% 0.69/1.12  , clause( 401, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.69/1.12    Y, T ) ] )
% 0.69/1.12  , clause( 402, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.69/1.12    X, T ) ] )
% 0.69/1.12  , clause( 403, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.69/1.12    Z, T, Y ) ] )
% 0.69/1.12  ] ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.12  , clause( 390, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.12  , clause( 391, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  , clause( 392, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 393, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 394, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 395, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 396, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 397, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 398, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.69/1.12    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.12  , clause( 399, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.69/1.12    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.69/1.12     ), ==>( 1, 4 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.69/1.12    T ) ) ] )
% 0.69/1.12  , clause( 400, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.69/1.12    Z, T ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.12    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.69/1.12    Z ) ) ] )
% 0.69/1.12  , clause( 401, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.69/1.12    Y, T ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.12    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.69/1.12    Z ) ) ] )
% 0.69/1.12  , clause( 402, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.69/1.12    X, T ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.12    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.69/1.12    , T ) ) ] )
% 0.69/1.12  , clause( 403, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.69/1.12    Z, T, Y ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.12    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 419, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.69/1.12    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.69/1.12  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.69/1.12    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.12  , 0, 4, substitution( 0, [ :=( X, X ), :=( Y, X )] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.69/1.12    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , clause( 419, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.69/1.12    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 420, [ ~( product( X, X, Y ) ), product( Y, Y, X ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [ :=( X, X ), :=( Y, X ), :=( Z, Y ), :=( T, Y )] )
% 0.69/1.12    ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  , clause( 420, [ ~( product( X, X, Y ) ), product( Y, Y, X ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.69/1.12     ), ==>( 1, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 422, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.69/1.12    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.69/1.12    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.12  , 4, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.69/1.12    ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 19, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.12    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , clause( 422, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.69/1.12    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 424, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.69/1.12    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.69/1.12    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.12  , 4, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.69/1.12    ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 20, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.69/1.12    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , clause( 424, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.69/1.12    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 426, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.69/1.12    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.69/1.12    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.69/1.12  , 4, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' )] ), substitution( 1, [] )
% 0.69/1.12    ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.12    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , clause( 426, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.69/1.12    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 427, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 19, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.12    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 22, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , clause( 427, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 428, [ product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 19, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.12    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , 3, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 24, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , clause( 428, [ product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 431, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  , 1, clause( 22, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.69/1.12    , [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 29, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 431, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 432, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X
% 0.69/1.12    , X, 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 32, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.69/1.12  , clause( 432, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 433, [ product( 'e_3', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X
% 0.69/1.12    , X, 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , 3, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 33, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 433, [ product( 'e_3', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 434, [ product( 'e_3', 'e_2', 'e_3' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 20, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.69/1.12    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , 3, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 46, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.69/1.12  , clause( 434, [ product( 'e_3', 'e_2', 'e_3' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 435, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.12    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 58, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 435, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 436, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 21, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.12    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.69/1.12  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 59, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 436, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 442, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_3', 'e_1' )
% 0.69/1.12    , product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 2, clause( 58, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 65, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , clause( 442, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    1 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 450, [ equalish( X, 'e_3' ), ~( product( 'e_1', X, 'e_3' ) ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 58, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.69/1.12  , clause( 450, [ equalish( X, 'e_3' ), ~( product( 'e_1', X, 'e_3' ) ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 456, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 58, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 68, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 456, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 462, [ ~( product( 'e_3', 'e_2', X ) ), product( X, 'e_3', 'e_2' )
% 0.69/1.12    , product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 2, clause( 59, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_2' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 76, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( X, 'e_3', 'e_2' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 0.69/1.12  , clause( 462, [ ~( product( 'e_3', 'e_2', X ) ), product( X, 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 470, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 59, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 79, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 470, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 476, [ ~( product( 'e_2', 'e_3', X ) ), product( X, 'e_3', 'e_3' )
% 0.69/1.12    , product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 2, clause( 46, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 81, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.69/1.12     ), product( X, 'e_3', 'e_3' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  , clause( 476, [ ~( product( 'e_2', 'e_3', X ) ), product( X, 'e_3', 'e_3'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 481, [ product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  , 1, clause( 32, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.69/1.12    , [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 89, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 481, [ product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 487, [ ~( product( 'e_1', 'e_3', X ) ), product( X, 'e_3', 'e_3' )
% 0.69/1.12    , product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 2, clause( 24, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 90, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( X, 'e_3', 'e_3' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.69/1.12  , clause( 487, [ ~( product( 'e_1', 'e_3', X ) ), product( X, 'e_3', 'e_3'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 495, [ equalish( X, 'e_3' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 24, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_3' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 93, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 495, [ equalish( X, 'e_3' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 501, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 89, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 95, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_2', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  , clause( 501, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 507, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 89, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 97, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 507, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 513, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 33, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.69/1.12    'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.69/1.12  , clause( 513, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 519, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 33, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 101, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  , clause( 519, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 522, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  , 1, clause( 29, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.69/1.12    , [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 106, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 522, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 528, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_1' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 106, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 108, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  , clause( 528, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_1' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 534, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 106, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 110, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 534, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 537, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  , 1, clause( 106, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.69/1.12    , [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 111, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , clause( 537, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 538, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.69/1.12  , 3, clause( 24, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 539, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , 0, clause( 538, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 131, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 539, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.69/1.12    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 540, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.69/1.12  , 3, clause( 46, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 541, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.69/1.12  , 0, clause( 540, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 132, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 541, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.69/1.12    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 542, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 101, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  , 3, clause( 58, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 543, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , 0, clause( 542, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 134, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 543, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.69/1.12    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 544, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 93, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , 3, clause( 111, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 545, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , clause( 108, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  , 3, clause( 544, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 546, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 545, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 0, 5, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 548, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 546, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 2, 5, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 549, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 548, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 1, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 138, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 549, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 2 ), ==>( 3, 3 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 550, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , 0, clause( 138, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 140, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 550, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 551, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 66, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.69/1.12  , 3, clause( 111, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 552, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , clause( 110, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 3, clause( 551, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 553, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 552, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 0, 5, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 555, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 553, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 2, 5, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 556, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 555, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 1, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 149, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 556, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 2 ), ==>( 3, 3 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 557, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , 0, clause( 149, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 150, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 557, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 563, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_2', 'e_1' )
% 0.69/1.12    , product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 2, clause( 150, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 151, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( X, 'e_2', 'e_1' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , clause( 563, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 566, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), ~( product( 'e_3', 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 151, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( X, 'e_2', 'e_1' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , 1, 2, substitution( 0, [ :=( X, 'e_2' )] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 567, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 566, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), ~( product( 'e_3', 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , 2, clause( 140, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 568, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 567, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 569, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 568, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 1, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 155, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 569, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 571, [ product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  , 1, clause( 155, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.69/1.12    , [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 160, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 571, [ product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 575, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 160, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 162, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.12  , clause( 575, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 579, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 160, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 164, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.12    product( X, 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 579, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 582, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 81, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_2' ), product( X, 'e_3', 'e_3' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  , 3, clause( 59, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 602, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 76, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 0.69/1.12  , 3, clause( 582, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 605, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 602, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 0, 5, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 606, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 605, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 1, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 607, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 606, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 1, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 192, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 607, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 0 ), ==>( 3, 3 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 608, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 79, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  , 3, clause( 192, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 609, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 608, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 0, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 610, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 609, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 611, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 0, clause( 610, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 193, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 611, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 613, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 81, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_2' ), product( X, 'e_3', 'e_3' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  , 3, clause( 193, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 614, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 613, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 194, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 614, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 3 ), ==>( 3, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 621, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.69/1.12    , T ) ) ] )
% 0.69/1.12  , 2, clause( 193, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 198, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  , clause( 621, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 627, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 193, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 199, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 627, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 630, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 90, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( X, 'e_3', 'e_3' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.69/1.12  , 3, clause( 58, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 649, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 65, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' )
% 0.69/1.12    , product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , 3, clause( 630, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 651, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 649, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 0, 1, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 652, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 651, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 0, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 653, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 652, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 1, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 205, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 653, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 0 ), ==>( 3, 3 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 656, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 68, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.69/1.12  , 3, clause( 205, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 657, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 656, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 0, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 658, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 657, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 659, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 658, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 206, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 659, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 660, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 199, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 3, clause( 206, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 661, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , 0, clause( 660, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 207, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 661, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 0 ), ==>( 3, 3 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 663, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 90, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( X, 'e_3', 'e_3' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.69/1.12  , 3, clause( 206, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 664, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 663, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 1, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 208, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.69/1.12  , clause( 664, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 3 ), ==>( 3, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 666, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 162, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.12  , 2, clause( 206, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 667, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 164, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.12    product( X, 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , 2, clause( 666, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 669, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 667, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 1, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 670, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 669, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 209, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 670, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 671, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 97, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 3, clause( 206, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 672, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), equalish( 
% 0.69/1.12    'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , clause( 95, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  , 3, clause( 671, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 4, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 673, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), equalish( 'e_1', 'e_3' ), product( 'e_2'
% 0.69/1.12    , 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 672, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), equalish( 
% 0.69/1.12    'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 0, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 675, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 673, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), equalish( 'e_1', 'e_3' ), product( 'e_2'
% 0.69/1.12    , 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 2, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 676, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 675, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 1, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 210, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 676, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 3 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 682, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 206, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 214, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , clause( 682, [ equalish( X, 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 683, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 209, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 215, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 683, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 687, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_1', 'e_1' )
% 0.69/1.12    , product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 2, clause( 215, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 217, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.12    ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , clause( 687, [ ~( product( 'e_3', 'e_1', X ) ), product( X, 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.69/1.12    1 ), ==>( 2, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 692, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 217, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' )
% 0.69/1.12    , ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , 2, clause( 24, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 693, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 692, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 1, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 701, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 217, [ product( 'e_1', 'e_1', 'e_1' ), product( X, 'e_1', 'e_1' )
% 0.69/1.12    , ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , 2, clause( 693, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 703, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 701, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 0, 1, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 704, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 703, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, 1, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 222, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 704, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 706, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , clause( 164, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.69/1.12    product( X, 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , 2, clause( 222, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 708, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 706, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 709, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , clause( 708, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 0, 1, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 224, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , clause( 709, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 711, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 224, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 226, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.12  , clause( 711, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 713, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 224, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 228, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 713, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 714, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.12  , 0, clause( 210, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 229, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 714, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 720, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_2', X ) ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.69/1.12    , T ) ) ] )
% 0.69/1.12  , 2, clause( 229, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_2' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 232, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_2', X ) ) ] )
% 0.69/1.12  , clause( 720, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_2', X ) ), 
% 0.69/1.12    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 721, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 65, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' )
% 0.69/1.12    , product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.69/1.12  , 3, clause( 207, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 722, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 721, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 723, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 722, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 1, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 249, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 723, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ]
% 0.69/1.12     )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 3 ), ==>( 3, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 724, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 199, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 3, clause( 249, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 725, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 724, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 726, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 725, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 2, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 727, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.12  , 0, clause( 726, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 254, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 727, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 733, [ equalish( X, 'e_1' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.69/1.12    , T ) ) ] )
% 0.69/1.12  , 2, clause( 254, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 258, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  , clause( 733, [ equalish( X, 'e_1' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.12    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 734, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 258, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  , 3, clause( 208, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 735, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 734, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 2, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 738, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 226, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.12  , 1, clause( 735, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 739, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 738, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3'
% 0.69/1.12    , 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 277, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 739, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 0 ), ==>( 3, 3 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 740, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 228, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.69/1.12  , 1, clause( 277, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 741, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 740, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 742, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 741, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 282, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 742, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 746, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 282, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 284, [ equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  , clause( 746, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 748, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 198, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.69/1.12  , 3, clause( 194, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 749, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 748, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 0, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 750, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 749, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 2, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 752, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 0, clause( 750, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 298, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 752, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 753, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 284, [ equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  , 2, clause( 298, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 755, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 753, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 756, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 755, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 1, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 299, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 756, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 760, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 299, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 304, [ equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 0.69/1.12    product( X, 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 760, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 761, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 214, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 3, clause( 131, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 763, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.69/1.12    , 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 228, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.69/1.12  , 1, clause( 761, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 4, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 765, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 763, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.69/1.12    , 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 3, 5, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 766, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 765, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 331, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 766, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.12    , 3 ), ==>( 3, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 767, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 226, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.12  , 1, clause( 331, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 768, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , clause( 767, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 769, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 768, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 337, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 769, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 773, [ ~( product( 'e_1', 'e_3', X ) ), product( X, 'e_2', 'e_3' )
% 0.69/1.12    , product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.69/1.12    , X, T ) ) ] )
% 0.69/1.12  , 2, clause( 337, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 340, [ product( 'e_3', 'e_3', 'e_1' ), product( X, 'e_2', 'e_3' ), 
% 0.69/1.12    ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.69/1.12  , clause( 773, [ ~( product( 'e_1', 'e_3', X ) ), product( X, 'e_2', 'e_3'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.69/1.12    1 ), ==>( 2, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 777, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 337, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 0.69/1.12    'e_2' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.12    'e_1' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 341, [ equalish( X, 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  , clause( 777, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 779, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 341, [ equalish( X, 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  , 2, clause( 132, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 782, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 779, [ equalish( 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 783, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 782, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 0, 1, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 344, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , clause( 783, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 784, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 341, [ equalish( X, 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), ~( 
% 0.69/1.12    product( 'e_3', X, 'e_2' ) ) ] )
% 0.69/1.12  , 2, clause( 344, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 786, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 784, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 787, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 786, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 345, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 787, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 788, [ equalish( 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 304, [ equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 0.69/1.12    product( X, 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 2, clause( 345, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 790, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 0, clause( 788, [ equalish( 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1'
% 0.69/1.12     ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 791, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 790, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 0, 1, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 348, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 791, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 793, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 348, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.12    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 351, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  , clause( 793, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 795, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.12    , Z ) ) ] )
% 0.69/1.12  , 2, clause( 348, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.12    'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 353, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , clause( 795, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.12    1 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 797, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.12  , clause( 18, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.69/1.12  , 1, clause( 134, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.69/1.12    , [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 801, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_3'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 340, [ product( 'e_3', 'e_3', 'e_1' ), product( X, 'e_2', 'e_3' )
% 0.69/1.12    , ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.69/1.12  , 2, clause( 797, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 803, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_3'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 801, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_3' ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 3, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 804, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_3'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 803, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_3' ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_1', 'e_3', 'e_1' ) ]
% 0.69/1.12     )
% 0.69/1.12  , 1, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 362, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.69/1.12     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.69/1.12  , clause( 804, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 
% 0.69/1.12    'e_3' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.12    , 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 805, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.69/1.12    'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 232, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_2', 'e_2', X ) ) ] )
% 0.69/1.12  , 3, clause( 362, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.69/1.12    'e_1' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.69/1.12  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 807, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 351, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.69/1.12  , 1, clause( 805, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.69/1.12    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 4, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 809, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 807, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1'
% 0.69/1.12    , 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 3, 4, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  factor(
% 0.69/1.12  clause( 810, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 809, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.69/1.12    equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 0, 2, substitution( 0, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 372, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , clause( 810, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.69/1.12    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.12    , 2 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 811, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.12  , 0, clause( 372, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.69/1.12     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 380, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , clause( 811, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.12     ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 812, [ equalish( 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ]
% 0.69/1.12     )
% 0.69/1.12  , clause( 226, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.69/1.12  , 1, clause( 380, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.12    'e_1' ) ] )
% 0.69/1.12  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 813, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.12  , 0, clause( 812, [ equalish( 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.69/1.12     ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 387, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , clause( 813, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 814, [ equalish( 'e_2', 'e_3' ) ] )
% 0.69/1.12  , clause( 353, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.69/1.12  , 1, clause( 387, [ product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.69/1.12  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  resolution(
% 0.69/1.12  clause( 815, [] )
% 0.69/1.12  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.69/1.12  , 0, clause( 814, [ equalish( 'e_2', 'e_3' ) ] )
% 0.69/1.12  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  subsumption(
% 0.69/1.12  clause( 388, [] )
% 0.69/1.12  , clause( 815, [] )
% 0.69/1.12  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  end.
% 0.69/1.12  
% 0.69/1.12  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.69/1.12  
% 0.69/1.12  Memory use:
% 0.69/1.12  
% 0.69/1.12  space for terms:        6196
% 0.69/1.12  space for clauses:      17600
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  clauses generated:      1554
% 0.69/1.12  clauses kept:           389
% 0.69/1.12  clauses selected:       214
% 0.69/1.12  clauses deleted:        49
% 0.69/1.12  clauses inuse deleted:  0
% 0.69/1.12  
% 0.69/1.12  subsentry:          6135
% 0.69/1.12  literals s-matched: 3133
% 0.69/1.12  literals matched:   2354
% 0.69/1.12  full subsumption:   353
% 0.69/1.12  
% 0.69/1.12  checksum:           -939709546
% 0.69/1.12  
% 0.69/1.12  
% 0.69/1.12  Bliksem ended
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