TSTP Solution File: GRP126-1.004 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP126-1.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n029.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 07:35:12 EDT 2022

% Result   : Unsatisfiable 0.66s 1.07s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP126-1.004 : TPTP v8.1.0. Released v1.2.0.
% 0.11/0.12  % Command  : bliksem %s
% 0.13/0.33  % Computer : n029.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % DateTime : Mon Jun 13 07:47:10 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.66/1.07  *** allocated 10000 integers for termspace/termends
% 0.66/1.07  *** allocated 10000 integers for clauses
% 0.66/1.07  *** allocated 10000 integers for justifications
% 0.66/1.07  Bliksem 1.12
% 0.66/1.07  
% 0.66/1.07  
% 0.66/1.07  Automatic Strategy Selection
% 0.66/1.07  
% 0.66/1.07  Clauses:
% 0.66/1.07  [
% 0.66/1.07     [ 'group_element'( 'e_1' ) ],
% 0.66/1.07     [ 'group_element'( 'e_2' ) ],
% 0.66/1.07     [ 'group_element'( 'e_3' ) ],
% 0.66/1.07     [ 'group_element'( 'e_4' ) ],
% 0.66/1.07     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_1', 'e_4' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_2', 'e_4' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_3', 'e_4' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_4', 'e_1' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_4', 'e_2' ) ) ],
% 0.66/1.07     [ ~( equalish( 'e_4', 'e_3' ) ) ],
% 0.66/1.07     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.66/1.07    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), product( X, Y, 
% 0.66/1.07    'e_4' ) ],
% 0.66/1.07     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.66/1.07    ,
% 0.66/1.07     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.66/1.07    ,
% 0.66/1.07     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.66/1.07    ,
% 0.66/1.07     [ product( X, X, X ) ],
% 0.66/1.07     [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( Z, T, Y ) ]
% 0.66/1.07    
% 0.66/1.07  ] .
% 0.66/1.07  
% 0.66/1.07  
% 0.66/1.07  percentage equality = 0.000000, percentage horn = 0.954545
% 0.66/1.07  This is a near-Horn, non-equality  problem
% 0.66/1.07  
% 0.66/1.07  
% 0.66/1.07  Options Used:
% 0.66/1.07  
% 0.66/1.07  useres =            1
% 0.66/1.07  useparamod =        0
% 0.66/1.07  useeqrefl =         0
% 0.66/1.07  useeqfact =         0
% 0.66/1.07  usefactor =         1
% 0.66/1.07  usesimpsplitting =  0
% 0.66/1.07  usesimpdemod =      0
% 0.66/1.07  usesimpres =        4
% 0.66/1.07  
% 0.66/1.07  resimpinuse      =  1000
% 0.66/1.07  resimpclauses =     20000
% 0.66/1.07  substype =          standard
% 0.66/1.07  backwardsubs =      1
% 0.66/1.07  selectoldest =      5
% 0.66/1.07  
% 0.66/1.07  litorderings [0] =  split
% 0.66/1.07  litorderings [1] =  liftord
% 0.66/1.07  
% 0.66/1.07  termordering =      none
% 0.66/1.07  
% 0.66/1.07  litapriori =        1
% 0.66/1.07  termapriori =       0
% 0.66/1.07  litaposteriori =    0
% 0.66/1.07  termaposteriori =   0
% 0.66/1.07  demodaposteriori =  0
% 0.66/1.07  ordereqreflfact =   0
% 0.66/1.07  
% 0.66/1.07  litselect =         negative
% 0.66/1.07  
% 0.66/1.07  maxweight =         30000
% 0.66/1.07  maxdepth =          30000
% 0.66/1.07  maxlength =         115
% 0.66/1.07  maxnrvars =         195
% 0.66/1.07  excuselevel =       0
% 0.66/1.07  increasemaxweight = 0
% 0.66/1.07  
% 0.66/1.07  maxselected =       10000000
% 0.66/1.07  maxnrclauses =      10000000
% 0.66/1.07  
% 0.66/1.07  showgenerated =    0
% 0.66/1.07  showkept =         0
% 0.66/1.07  showselected =     0
% 0.66/1.07  showdeleted =      0
% 0.66/1.07  showresimp =       1
% 0.66/1.07  showstatus =       2000
% 0.66/1.07  
% 0.66/1.07  prologoutput =     1
% 0.66/1.07  nrgoals =          5000000
% 0.66/1.07  totalproof =       1
% 0.66/1.07  
% 0.66/1.07  Symbols occurring in the translation:
% 0.66/1.07  
% 0.66/1.07  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.66/1.07  .  [1, 2]      (w:1, o:25, a:1, s:1, b:0), 
% 0.66/1.07  !  [4, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 0.66/1.07  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.66/1.07  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.66/1.07  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.66/1.07  'group_element'  [40, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 0.66/1.07  'e_2'  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.66/1.07  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.66/1.07  'e_4'  [43, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.66/1.07  equalish  [44, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.66/1.07  product  [47, 3]      (w:1, o:51, a:1, s:1, b:0).
% 0.66/1.07  
% 0.66/1.07  
% 0.66/1.07  Starting Search:
% 0.66/1.07  
% 0.66/1.07  
% 0.66/1.07  Bliksems!, er is een bewijs:
% 0.66/1.07  % SZS status Unsatisfiable
% 0.66/1.07  % SZS output start Refutation
% 0.66/1.07  
% 0.66/1.07  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 3, [ 'group_element'( 'e_4' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 6, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 7, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 8, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 9, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 10, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 11, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 12, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 13, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 14, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 15, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 16, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 0.66/1.07    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.66/1.07    'group_element'( Y ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 17, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.66/1.07    T ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 18, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.66/1.07    Z ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.66/1.07    Z ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 20, [ product( X, X, X ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 21, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.66/1.07    , T ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 29, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 0.66/1.07    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 0.66/1.07    'group_element'( X ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 30, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.66/1.07    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.66/1.07    'group_element'( X ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 31, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.66/1.07    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.66/1.07    'group_element'( X ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 33, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 49, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.66/1.07     ), product( 'e_4', 'e_2', 'e_3' ), product( 'e_4', 'e_2', 'e_4' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 59, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.66/1.07     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 66, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.66/1.07     ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 71, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.66/1.07     ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 72, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.66/1.07     ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 73, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.66/1.07     ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 77, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.66/1.07     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 81, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.66/1.07    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 102, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.66/1.07     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 103, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.66/1.07     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 105, [ product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), 
% 0.66/1.07    product( 'e_2', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 109, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.66/1.07     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 114, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.66/1.07    product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 119, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.66/1.07     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 123, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.66/1.07     ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 124, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.66/1.07     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 125, [ product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_2', 'e_3' ), 
% 0.66/1.07    ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 126, [ equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.66/1.07    product( 'e_3', X, 'e_2' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 141, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.66/1.07     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 148, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.66/1.07     ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 150, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.66/1.07     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 162, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.66/1.07     ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 163, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_1', 'e_3' ), 
% 0.66/1.07    ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 166, [ equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 0.66/1.07    product( X, 'e_4', 'e_1' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 172, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_3'
% 0.66/1.07     ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 175, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.66/1.07     ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 185, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.66/1.07     ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 186, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 188, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_3', 'e_4', X ) )
% 0.66/1.07     ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 189, [ equalish( X, 'e_3' ), ~( product( 'e_4', X, 'e_1' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 198, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.66/1.07     ), product( 'e_1', 'e_1', 'e_4' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 212, [ equalish( 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ]
% 0.66/1.07     )
% 0.66/1.07  .
% 0.66/1.07  clause( 217, [ product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 218, [ product( X, 'e_1', 'e_2' ), ~( product( 'e_4', 'e_2', X ) )
% 0.66/1.07     ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 221, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 223, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.66/1.07     ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 231, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.66/1.07     ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 232, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.66/1.07     ) ] )
% 0.66/1.07  .
% 0.66/1.07  clause( 238, [ product( 'e_4', 'e_2', 'e_1' ) ] )
% 0.72/1.07  .
% 0.72/1.07  clause( 240, [] )
% 0.72/1.07  .
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  % SZS output end Refutation
% 0.72/1.07  found a proof!
% 0.72/1.07  
% 0.72/1.07  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.07  
% 0.72/1.07  initialclauses(
% 0.72/1.07  [ clause( 242, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.07  , clause( 243, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.07  , clause( 244, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.07  , clause( 245, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.07  , clause( 246, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.07  , clause( 247, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.07  , clause( 248, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.07  , clause( 249, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.07  , clause( 250, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.07  , clause( 251, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.07  , clause( 252, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.07  , clause( 253, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.07  , clause( 254, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.07  , clause( 255, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.07  , clause( 256, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.07  , clause( 257, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.07  , clause( 258, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.72/1.07    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), 
% 0.72/1.07    product( X, Y, 'e_4' ) ] )
% 0.72/1.07  , clause( 259, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.72/1.07    Z, T ) ] )
% 0.72/1.07  , clause( 260, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.72/1.07    Y, T ) ] )
% 0.72/1.07  , clause( 261, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.72/1.07    X, T ) ] )
% 0.72/1.07  , clause( 262, [ product( X, X, X ) ] )
% 0.72/1.07  , clause( 263, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.72/1.07    Z, T, Y ) ] )
% 0.72/1.07  ] ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.07  , clause( 242, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.07  , clause( 243, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.07  , clause( 244, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 3, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.07  , clause( 245, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 6, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.07  , clause( 248, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 7, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.07  , clause( 249, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 8, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.07  , clause( 250, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 9, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.07  , clause( 251, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 10, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.07  , clause( 252, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 11, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.07  , clause( 253, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 12, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.07  , clause( 254, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 13, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.07  , clause( 255, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 14, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.07  , clause( 256, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 15, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.07  , clause( 257, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 16, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 0.72/1.07    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.07    'group_element'( Y ) ) ] )
% 0.72/1.07  , clause( 258, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.72/1.07    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), 
% 0.72/1.07    product( X, Y, 'e_4' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.07     ), ==>( 1, 5 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 4 ), ==>( 5, 1 )] )
% 0.72/1.07     ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 17, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.72/1.07    T ) ) ] )
% 0.72/1.07  , clause( 259, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.72/1.07    Z, T ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.07    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 18, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.72/1.07    Z ) ) ] )
% 0.72/1.07  , clause( 260, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.72/1.07    Y, T ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.07    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.72/1.07    Z ) ) ] )
% 0.72/1.07  , clause( 261, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.72/1.07    X, T ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.07    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 20, [ product( X, X, X ) ] )
% 0.72/1.07  , clause( 262, [ product( X, X, X ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 21, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.72/1.07    , T ) ) ] )
% 0.72/1.07  , clause( 263, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.72/1.07    Z, T, Y ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.07    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 284, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_4' ), 
% 0.72/1.07    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ), product( X, 'e_2'
% 0.72/1.07    , 'e_3' ) ] )
% 0.72/1.07  , clause( 16, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.72/1.07    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.07    'group_element'( Y ) ) ] )
% 0.72/1.07  , 5, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.72/1.07    ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 29, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 0.72/1.07    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , clause( 284, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_4' ), 
% 0.72/1.07    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ), product( X, 'e_2'
% 0.72/1.07    , 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.07    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 286, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_4' ), 
% 0.72/1.07    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ), product( X, 'e_3'
% 0.72/1.07    , 'e_3' ) ] )
% 0.72/1.07  , clause( 16, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.72/1.07    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.07    'group_element'( Y ) ) ] )
% 0.72/1.07  , 5, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' )] ), substitution( 1, [] )
% 0.72/1.07    ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 30, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.07    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , clause( 286, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_4' ), 
% 0.72/1.07    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ), product( X, 'e_3'
% 0.72/1.07    , 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.07    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 288, [ ~( 'group_element'( X ) ), product( X, 'e_4', 'e_4' ), 
% 0.72/1.07    product( X, 'e_4', 'e_1' ), product( X, 'e_4', 'e_2' ), product( X, 'e_4'
% 0.72/1.07    , 'e_3' ) ] )
% 0.72/1.07  , clause( 16, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.72/1.07    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.07    'group_element'( Y ) ) ] )
% 0.72/1.07  , 5, clause( 3, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' )] ), substitution( 1, [] )
% 0.72/1.07    ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 31, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.07    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , clause( 288, [ ~( 'group_element'( X ) ), product( X, 'e_4', 'e_4' ), 
% 0.72/1.07    product( X, 'e_4', 'e_1' ), product( X, 'e_4', 'e_2' ), product( X, 'e_4'
% 0.72/1.07    , 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.07    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 290, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.07  , clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.07    , Z ) ) ] )
% 0.72/1.07  , 2, clause( 20, [ product( X, X, X ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Y ), :=( T, Y )] ), 
% 0.72/1.07    substitution( 1, [ :=( X, Y )] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.07  , clause( 290, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.07     ), ==>( 1, 1 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 292, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.07  , clause( 17, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.72/1.07    , T ) ) ] )
% 0.72/1.07  , 2, clause( 20, [ product( X, X, X ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Y ), :=( Z, X ), :=( T, Y )] ), 
% 0.72/1.07    substitution( 1, [ :=( X, Y )] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 33, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.07  , clause( 292, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.07     ), ==>( 1, 1 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 294, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , clause( 18, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.07    , Z ) ) ] )
% 0.72/1.07  , 2, clause( 20, [ product( X, X, X ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Y ), :=( T, Y )] ), 
% 0.72/1.07    substitution( 1, [ :=( X, Y )] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , clause( 294, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.07     ), ==>( 1, 1 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 295, [ product( 'e_4', 'e_2', 'e_4' ), product( 'e_4', 'e_2', 'e_1'
% 0.72/1.07     ), product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , clause( 29, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 0.72/1.07    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , 4, clause( 3, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 49, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.72/1.07     ), product( 'e_4', 'e_2', 'e_3' ), product( 'e_4', 'e_2', 'e_4' ) ] )
% 0.72/1.07  , clause( 295, [ product( 'e_4', 'e_2', 'e_4' ), product( 'e_4', 'e_2', 
% 0.72/1.07    'e_1' ), product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ]
% 0.72/1.07     )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.07    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 296, [ equalish( 'e_2', 'e_4' ), product( 'e_4', 'e_2', 'e_1' ), 
% 0.72/1.07    product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , 1, clause( 49, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.72/1.07    'e_2' ), product( 'e_4', 'e_2', 'e_3' ), product( 'e_4', 'e_2', 'e_4' ) ]
% 0.72/1.07     )
% 0.72/1.07  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 297, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.72/1.07     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , clause( 9, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.07  , 0, clause( 296, [ equalish( 'e_2', 'e_4' ), product( 'e_4', 'e_2', 'e_1'
% 0.72/1.07     ), product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 59, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.72/1.07     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , clause( 297, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.72/1.07    'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.07    , 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 298, [ product( 'e_4', 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.07  , clause( 30, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.07    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , 4, clause( 3, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 66, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ] )
% 0.72/1.07  , clause( 298, [ product( 'e_4', 'e_3', 'e_4' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_1' ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ]
% 0.72/1.07     )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.07    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 299, [ product( 'e_1', 'e_4', 'e_4' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 31, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.07    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , 4, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 71, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ] )
% 0.72/1.07  , clause( 299, [ product( 'e_1', 'e_4', 'e_4' ), product( 'e_1', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ]
% 0.72/1.07     )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.07    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 300, [ product( 'e_2', 'e_4', 'e_4' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 31, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.07    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , 4, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 72, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ] )
% 0.72/1.07  , clause( 300, [ product( 'e_2', 'e_4', 'e_4' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ]
% 0.72/1.07     )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.07    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 301, [ product( 'e_3', 'e_4', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 31, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.07    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.07    'group_element'( X ) ) ] )
% 0.72/1.07  , 4, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.07  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 73, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ] )
% 0.72/1.07  , clause( 301, [ product( 'e_3', 'e_4', 'e_4' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ]
% 0.72/1.07     )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.07    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 302, [ equalish( 'e_1', 'e_4' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.07  , 1, clause( 71, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ]
% 0.72/1.07     )
% 0.72/1.07  , 3, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 303, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 6, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.07  , 0, clause( 302, [ equalish( 'e_1', 'e_4' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 77, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 303, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.07    , 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 309, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_3' ) ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.07    , Z ) ) ] )
% 0.72/1.07  , 2, clause( 77, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.07    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 81, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.07    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 0.72/1.07  , clause( 309, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_3' ) ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.07    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 310, [ equalish( 'e_2', 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.07  , 1, clause( 72, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ]
% 0.72/1.07     )
% 0.72/1.07  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 311, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 9, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.07  , 0, clause( 310, [ equalish( 'e_2', 'e_4' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 102, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 311, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.07    , 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 312, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), product( 
% 0.72/1.07    'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 81, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 0.72/1.07  , 3, clause( 102, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 313, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 7, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.07  , 0, clause( 312, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_2', 'e_1'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 103, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 313, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ]
% 0.72/1.07     )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.07    , 0 ), ==>( 3, 3 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 319, [ equalish( X, 'e_4' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 18, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.07    , Z ) ) ] )
% 0.72/1.07  , 2, clause( 102, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.07    'e_4' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 105, [ product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.07  , clause( 319, [ equalish( X, 'e_4' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.07    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 321, [ equalish( 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , 1, clause( 103, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ]
% 0.72/1.07     )
% 0.72/1.07  , 3, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 322, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 14, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.07  , 0, clause( 321, [ equalish( 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 109, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 322, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.07    , 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 328, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.07    , Z ) ) ] )
% 0.72/1.07  , 2, clause( 109, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.07    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 114, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 0.72/1.07  , clause( 328, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ), 
% 0.72/1.07    product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.07    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 329, [ equalish( 'e_3', 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.72/1.07    product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.07  , 1, clause( 73, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ]
% 0.72/1.07     )
% 0.72/1.07  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 330, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 12, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.07  , 0, clause( 329, [ equalish( 'e_3', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 119, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , clause( 330, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.07    , 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 331, [ equalish( 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.72/1.07    product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , 1, clause( 119, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 332, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 15, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.07  , 0, clause( 331, [ equalish( 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 123, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 332, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_2' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.07     ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 333, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 114, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 0.72/1.07  , 3, clause( 123, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_2' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 334, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 10, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.07  , 0, clause( 333, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 124, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 334, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.07    , 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 338, [ ~( product( 'e_4', 'e_3', X ) ), product( X, 'e_2', 'e_3' )
% 0.72/1.07    , product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 21, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.72/1.07    , X, T ) ) ] )
% 0.72/1.07  , 2, clause( 123, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_2' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.72/1.07    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 125, [ product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_2', 'e_3' ), 
% 0.72/1.07    ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.72/1.07  , clause( 338, [ ~( product( 'e_4', 'e_3', X ) ), product( X, 'e_2', 'e_3'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.07    1 ), ==>( 2, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 342, [ equalish( X, 'e_4' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.72/1.07    product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 18, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.07    , Z ) ) ] )
% 0.72/1.07  , 2, clause( 123, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_2' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.07    'e_4' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 126, [ equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.72/1.07    product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.07  , clause( 342, [ equalish( X, 'e_4' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.72/1.07    product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.07    2 ), ==>( 2, 1 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 343, [ equalish( 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.07    product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.07  , clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , 1, clause( 66, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_2' ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ]
% 0.72/1.07     )
% 0.72/1.07  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 344, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.07  , clause( 12, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.07  , 0, clause( 343, [ equalish( 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 141, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.07  , clause( 344, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.07    , 2 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 345, [ equalish( 'e_4', 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.07    product( 'e_4', 'e_3', 'e_2' ) ] )
% 0.72/1.07  , clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.07  , 1, clause( 141, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 346, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 15, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.07  , 0, clause( 345, [ equalish( 'e_4', 'e_3' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 148, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 346, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_2' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.07     ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 348, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_2', 'e_3'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 125, [ product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_2', 'e_3' )
% 0.72/1.07    , ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.72/1.07  , 2, clause( 148, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_2' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 150, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , clause( 348, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.07    'e_3' ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.07    , 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 349, [ equalish( 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.07    product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 33, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.07  , 1, clause( 150, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 350, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 11, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.07  , 0, clause( 349, [ equalish( 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.07     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 162, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 350, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.07     ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 354, [ ~( product( 'e_4', 'e_3', X ) ), product( X, 'e_1', 'e_3' )
% 0.72/1.07    , product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 21, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.72/1.07    , X, T ) ) ] )
% 0.72/1.07  , 2, clause( 162, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_1' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.72/1.07    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 163, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_1', 'e_3' ), 
% 0.72/1.07    ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.72/1.07  , clause( 354, [ ~( product( 'e_4', 'e_3', X ) ), product( X, 'e_1', 'e_3'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.07    1 ), ==>( 2, 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 358, [ equalish( X, 'e_3' ), ~( product( X, 'e_4', 'e_1' ) ), 
% 0.72/1.07    product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.07    , Z ) ) ] )
% 0.72/1.07  , 2, clause( 162, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.07    'e_1' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.07    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 166, [ equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 0.72/1.07    product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.07  , clause( 358, [ equalish( X, 'e_3' ), ~( product( X, 'e_4', 'e_1' ) ), 
% 0.72/1.07    product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.07    2 ), ==>( 2, 1 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 360, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_3'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 163, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_1', 'e_3' )
% 0.72/1.07    , ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.72/1.07  , 2, clause( 148, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_2' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  factor(
% 0.72/1.07  clause( 361, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_3'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 360, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.07    'e_3' ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , 0, 2, substitution( 0, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 172, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_3'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 361, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.07    'e_3' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.07     ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 362, [ product( 'e_2', 'e_4', 'e_1' ), equalish( 'e_1', 'e_4' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_2' ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 105, [ product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.07  , 3, clause( 172, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.07    'e_3' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 363, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 6, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.07  , 0, clause( 362, [ product( 'e_2', 'e_4', 'e_1' ), equalish( 'e_1', 'e_4'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 175, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , clause( 363, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_2' ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.07    , 0 )] ) ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 364, [ equalish( 'e_4', 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.07    product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.07  , 1, clause( 175, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.07  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.72/1.07    , [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 365, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 14, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.07  , 0, clause( 364, [ equalish( 'e_4', 'e_2' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.07     ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 185, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 365, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_1' ) ] )
% 0.72/1.07  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.07     ).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 366, [ equalish( 'e_2', 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.07    product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 166, [ equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 0.72/1.07    product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.07  , 2, clause( 185, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.07    'e_1' ) ] )
% 0.72/1.07  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  resolution(
% 0.72/1.07  clause( 368, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.07     ) ] )
% 0.72/1.07  , clause( 8, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.07  , 0, clause( 366, [ equalish( 'e_2', 'e_3' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.07     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  factor(
% 0.72/1.07  clause( 369, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 368, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.07    'e_1' ) ] )
% 0.72/1.07  , 0, 1, substitution( 0, [] )).
% 0.72/1.07  
% 0.72/1.07  
% 0.72/1.07  subsumption(
% 0.72/1.07  clause( 186, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.07  , clause( 369, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 371, [ ~( product( 'e_3', 'e_4', X ) ), product( X, 'e_1', 'e_4' )
% 0.72/1.08     ] )
% 0.72/1.08  , clause( 21, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.72/1.08    , X, T ) ) ] )
% 0.72/1.08  , 2, clause( 186, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' ), :=( Z, X ), :=( T, 
% 0.72/1.08    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 188, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_3', 'e_4', X ) )
% 0.72/1.08     ] )
% 0.72/1.08  , clause( 371, [ ~( product( 'e_3', 'e_4', X ) ), product( X, 'e_1', 'e_4'
% 0.72/1.08     ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.08    0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 373, [ equalish( X, 'e_3' ), ~( product( 'e_4', X, 'e_1' ) ) ] )
% 0.72/1.08  , clause( 18, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.08    , Z ) ) ] )
% 0.72/1.08  , 2, clause( 186, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'e_4' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.08    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 189, [ equalish( X, 'e_3' ), ~( product( 'e_4', X, 'e_1' ) ) ] )
% 0.72/1.08  , clause( 373, [ equalish( X, 'e_3' ), ~( product( 'e_4', X, 'e_1' ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 374, [ product( 'e_1', 'e_1', 'e_4' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.08     ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , clause( 188, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_3', 'e_4', X )
% 0.72/1.08     ) ] )
% 0.72/1.08  , 1, clause( 124, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.08    'e_1' ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 198, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.08     ), product( 'e_1', 'e_1', 'e_4' ) ] )
% 0.72/1.08  , clause( 374, [ product( 'e_1', 'e_1', 'e_4' ), product( 'e_1', 'e_4', 
% 0.72/1.08    'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.08    , 1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 375, [ equalish( 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.08    product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , clause( 33, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.08  , 1, clause( 198, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.08    'e_1' ), product( 'e_1', 'e_1', 'e_4' ) ] )
% 0.72/1.08  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.72/1.08    , [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 376, [ equalish( 'e_4', 'e_1' ), equalish( 'e_4', 'e_1' ), product( 
% 0.72/1.08    'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.08  , 1, clause( 375, [ equalish( 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.08     ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , 1, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.72/1.08    , [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  factor(
% 0.72/1.08  clause( 377, [ equalish( 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ]
% 0.72/1.08     )
% 0.72/1.08  , clause( 376, [ equalish( 'e_4', 'e_1' ), equalish( 'e_4', 'e_1' ), 
% 0.72/1.08    product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , 0, 1, substitution( 0, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 212, [ equalish( 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ]
% 0.72/1.08     )
% 0.72/1.08  , clause( 377, [ equalish( 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ]
% 0.72/1.08     )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.08     ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 378, [ product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , clause( 13, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.08  , 0, clause( 212, [ equalish( 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.08     ) ] )
% 0.72/1.08  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 217, [ product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , clause( 378, [ product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 380, [ ~( product( 'e_4', 'e_2', X ) ), product( X, 'e_1', 'e_2' )
% 0.72/1.08     ] )
% 0.72/1.08  , clause( 21, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.72/1.08    , X, T ) ) ] )
% 0.72/1.08  , 2, clause( 217, [ product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' ), :=( Z, X ), :=( T, 
% 0.72/1.08    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 218, [ product( X, 'e_1', 'e_2' ), ~( product( 'e_4', 'e_2', X ) )
% 0.72/1.08     ] )
% 0.72/1.08  , clause( 380, [ ~( product( 'e_4', 'e_2', X ) ), product( X, 'e_1', 'e_2'
% 0.72/1.08     ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.08    0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 382, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.08  , clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.08    , Z ) ) ] )
% 0.72/1.08  , 2, clause( 217, [ product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.08    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 221, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.08  , clause( 382, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 385, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_4', 'e_2', 'e_1'
% 0.72/1.08     ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.72/1.08  , clause( 218, [ product( X, 'e_1', 'e_2' ), ~( product( 'e_4', 'e_2', X )
% 0.72/1.08     ) ] )
% 0.72/1.08  , 1, clause( 59, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.72/1.08    'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.72/1.08  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 223, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.72/1.08     ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.72/1.08  , clause( 385, [ product( 'e_3', 'e_1', 'e_2' ), product( 'e_4', 'e_2', 
% 0.72/1.08    'e_1' ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.08    , 2 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 386, [ equalish( 'e_4', 'e_2' ), product( 'e_4', 'e_2', 'e_1' ), 
% 0.72/1.08    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.08  , clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.08  , 1, clause( 223, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.08    'e_2' ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.72/1.08  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.72/1.08    , [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 387, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.72/1.08     ) ] )
% 0.72/1.08  , clause( 14, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.08  , 0, clause( 386, [ equalish( 'e_4', 'e_2' ), product( 'e_4', 'e_2', 'e_1'
% 0.72/1.08     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.08  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 231, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.72/1.08     ) ] )
% 0.72/1.08  , clause( 387, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.08    'e_2' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.08     ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 388, [ equalish( 'e_1', 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.72/1.08    product( 'e_4', 'e_2', 'e_1' ) ] )
% 0.72/1.08  , clause( 126, [ equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.72/1.08    product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.08  , 2, clause( 231, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.08    'e_2' ) ] )
% 0.72/1.08  , 1, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 389, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.72/1.08     ) ] )
% 0.72/1.08  , clause( 6, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.08  , 0, clause( 388, [ equalish( 'e_1', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.08     ), product( 'e_4', 'e_2', 'e_1' ) ] )
% 0.72/1.08  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 232, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.08     ) ] )
% 0.72/1.08  , clause( 389, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_2', 
% 0.72/1.08    'e_1' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.72/1.08     ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 390, [ equalish( 'e_3', 'e_2' ), product( 'e_4', 'e_2', 'e_1' ) ]
% 0.72/1.08     )
% 0.72/1.08  , clause( 221, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.08  , 1, clause( 232, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.08    'e_1' ) ] )
% 0.72/1.08  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 391, [ product( 'e_4', 'e_2', 'e_1' ) ] )
% 0.72/1.08  , clause( 11, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.08  , 0, clause( 390, [ equalish( 'e_3', 'e_2' ), product( 'e_4', 'e_2', 'e_1'
% 0.72/1.08     ) ] )
% 0.72/1.08  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 238, [ product( 'e_4', 'e_2', 'e_1' ) ] )
% 0.72/1.08  , clause( 391, [ product( 'e_4', 'e_2', 'e_1' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 392, [ equalish( 'e_2', 'e_3' ) ] )
% 0.72/1.08  , clause( 189, [ equalish( X, 'e_3' ), ~( product( 'e_4', X, 'e_1' ) ) ] )
% 0.72/1.08  , 1, clause( 238, [ product( 'e_4', 'e_2', 'e_1' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 393, [] )
% 0.72/1.08  , clause( 8, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.08  , 0, clause( 392, [ equalish( 'e_2', 'e_3' ) ] )
% 0.72/1.08  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 240, [] )
% 0.72/1.08  , clause( 393, [] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  end.
% 0.72/1.08  
% 0.72/1.08  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.08  
% 0.72/1.08  Memory use:
% 0.72/1.08  
% 0.72/1.08  space for terms:        3846
% 0.72/1.08  space for clauses:      11132
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  clauses generated:      509
% 0.72/1.08  clauses kept:           241
% 0.72/1.08  clauses selected:       141
% 0.72/1.08  clauses deleted:        9
% 0.72/1.08  clauses inuse deleted:  0
% 0.72/1.08  
% 0.72/1.08  subsentry:          1365
% 0.72/1.08  literals s-matched: 866
% 0.72/1.08  literals matched:   704
% 0.72/1.08  full subsumption:   143
% 0.72/1.08  
% 0.72/1.08  checksum:           154052281
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Bliksem ended
%------------------------------------------------------------------------------