TSTP Solution File: GRP126-2.004 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP126-2.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n025.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 0s
% DateTime : Sat Jul 16 07:35:13 EDT 2022

% Result   : Unsatisfiable 0.72s 1.13s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.13  % Problem  : GRP126-2.004 : TPTP v8.1.0. Released v1.2.0.
% 0.13/0.14  % Command  : bliksem %s
% 0.14/0.35  % Computer : n025.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 23:29:24 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.72/1.13  *** allocated 10000 integers for termspace/termends
% 0.72/1.13  *** allocated 10000 integers for clauses
% 0.72/1.13  *** allocated 10000 integers for justifications
% 0.72/1.13  Bliksem 1.12
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Automatic Strategy Selection
% 0.72/1.13  
% 0.72/1.13  Clauses:
% 0.72/1.13  [
% 0.72/1.13     [ next( 'e_1', 'e_2' ) ],
% 0.72/1.13     [ next( 'e_2', 'e_3' ) ],
% 0.72/1.13     [ next( 'e_3', 'e_4' ) ],
% 0.72/1.13     [ greater( 'e_2', 'e_1' ) ],
% 0.72/1.13     [ greater( 'e_3', 'e_1' ) ],
% 0.72/1.13     [ greater( 'e_4', 'e_1' ) ],
% 0.72/1.13     [ greater( 'e_3', 'e_2' ) ],
% 0.72/1.13     [ greater( 'e_4', 'e_2' ) ],
% 0.72/1.13     [ greater( 'e_4', 'e_3' ) ],
% 0.72/1.13     [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( Y, Z ) ) ]
% 0.72/1.13    ,
% 0.72/1.13     [ 'group_element'( 'e_1' ) ],
% 0.72/1.13     [ 'group_element'( 'e_2' ) ],
% 0.72/1.13     [ 'group_element'( 'e_3' ) ],
% 0.72/1.13     [ 'group_element'( 'e_4' ) ],
% 0.72/1.13     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_1', 'e_4' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_2', 'e_4' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_3', 'e_4' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_4', 'e_1' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_4', 'e_2' ) ) ],
% 0.72/1.13     [ ~( equalish( 'e_4', 'e_3' ) ) ],
% 0.72/1.13     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.72/1.13    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), product( X, Y, 
% 0.72/1.13    'e_4' ) ],
% 0.72/1.13     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.72/1.13    ,
% 0.72/1.13     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.72/1.13    ,
% 0.72/1.13     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.72/1.13    ,
% 0.72/1.13     [ product( X, X, X ) ],
% 0.72/1.13     [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( Z, T, Y ) ]
% 0.72/1.13    
% 0.72/1.13  ] .
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  percentage equality = 0.000000, percentage horn = 0.968750
% 0.72/1.13  This is a near-Horn, non-equality  problem
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Options Used:
% 0.72/1.13  
% 0.72/1.13  useres =            1
% 0.72/1.13  useparamod =        0
% 0.72/1.13  useeqrefl =         0
% 0.72/1.13  useeqfact =         0
% 0.72/1.13  usefactor =         1
% 0.72/1.13  usesimpsplitting =  0
% 0.72/1.13  usesimpdemod =      0
% 0.72/1.13  usesimpres =        4
% 0.72/1.13  
% 0.72/1.13  resimpinuse      =  1000
% 0.72/1.13  resimpclauses =     20000
% 0.72/1.13  substype =          standard
% 0.72/1.13  backwardsubs =      1
% 0.72/1.13  selectoldest =      5
% 0.72/1.13  
% 0.72/1.13  litorderings [0] =  split
% 0.72/1.13  litorderings [1] =  liftord
% 0.72/1.13  
% 0.72/1.13  termordering =      none
% 0.72/1.13  
% 0.72/1.13  litapriori =        1
% 0.72/1.13  termapriori =       0
% 0.72/1.13  litaposteriori =    0
% 0.72/1.13  termaposteriori =   0
% 0.72/1.13  demodaposteriori =  0
% 0.72/1.13  ordereqreflfact =   0
% 0.72/1.13  
% 0.72/1.13  litselect =         negative
% 0.72/1.13  
% 0.72/1.13  maxweight =         30000
% 0.72/1.13  maxdepth =          30000
% 0.72/1.13  maxlength =         115
% 0.72/1.13  maxnrvars =         195
% 0.72/1.13  excuselevel =       0
% 0.72/1.13  increasemaxweight = 0
% 0.72/1.13  
% 0.72/1.13  maxselected =       10000000
% 0.72/1.13  maxnrclauses =      10000000
% 0.72/1.13  
% 0.72/1.13  showgenerated =    0
% 0.72/1.13  showkept =         0
% 0.72/1.13  showselected =     0
% 0.72/1.13  showdeleted =      0
% 0.72/1.13  showresimp =       1
% 0.72/1.13  showstatus =       2000
% 0.72/1.13  
% 0.72/1.13  prologoutput =     1
% 0.72/1.13  nrgoals =          5000000
% 0.72/1.13  totalproof =       1
% 0.72/1.13  
% 0.72/1.13  Symbols occurring in the translation:
% 0.72/1.13  
% 0.72/1.13  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.13  .  [1, 2]      (w:1, o:26, a:1, s:1, b:0), 
% 0.72/1.13  !  [4, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.72/1.13  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.13  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.13  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.72/1.13  'e_2'  [40, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.72/1.13  next  [41, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.72/1.13  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.72/1.13  'e_4'  [43, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.72/1.13  greater  [44, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.72/1.13  product  [47, 3]      (w:1, o:54, a:1, s:1, b:0), 
% 0.72/1.13  'group_element'  [49, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 0.72/1.13  equalish  [50, 2]      (w:1, o:53, a:1, s:1, b:0).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Starting Search:
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Bliksems!, er is een bewijs:
% 0.72/1.13  % SZS status Unsatisfiable
% 0.72/1.13  % SZS output start Refutation
% 0.72/1.13  
% 0.72/1.13  clause( 0, [ next( 'e_1', 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 1, [ next( 'e_2', 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 7, [ greater( 'e_4', 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 8, [ greater( 'e_4', 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( X
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 14, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 21, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 0.72/1.13    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.13    'group_element'( Y ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 27, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.72/1.13    T ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.72/1.13    Z ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.72/1.13    Z ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 30, [ product( X, X, X ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 31, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.72/1.13    , T ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 38, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  .
% 0.72/1.13  clause( 39, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  .
% 0.72/1.13  clause( 41, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.13    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 43, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.13    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 44, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.13    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 45, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 46, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 48, [ ~( product( 'e_1', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 52, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 57, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.13    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 76, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 87, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 90, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 91, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 92, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 93, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 94, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_2', 'e_4' ), 
% 0.72/1.13    ~( product( 'e_3', 'e_4', X ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 99, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 101, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 106, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 107, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 108, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 115, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 117, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 120, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), equalish( 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 131, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 134, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 136, [ equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), ~( 
% 0.72/1.13    product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 152, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 158, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 159, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_2', 'e_4' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 180, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 186, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 196, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 197, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_3', 'e_4', X ) )
% 0.72/1.13     ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 203, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  .
% 0.72/1.13  clause( 204, [] )
% 0.72/1.13  .
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  % SZS output end Refutation
% 0.72/1.13  found a proof!
% 0.72/1.13  
% 0.72/1.13  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.13  
% 0.72/1.13  initialclauses(
% 0.72/1.13  [ clause( 206, [ next( 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 207, [ next( 'e_2', 'e_3' ) ] )
% 0.72/1.13  , clause( 208, [ next( 'e_3', 'e_4' ) ] )
% 0.72/1.13  , clause( 209, [ greater( 'e_2', 'e_1' ) ] )
% 0.72/1.13  , clause( 210, [ greater( 'e_3', 'e_1' ) ] )
% 0.72/1.13  , clause( 211, [ greater( 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 212, [ greater( 'e_3', 'e_2' ) ] )
% 0.72/1.13  , clause( 213, [ greater( 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 214, [ greater( 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 215, [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( 
% 0.72/1.13    Y, Z ) ) ] )
% 0.72/1.13  , clause( 216, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.13  , clause( 217, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.13  , clause( 218, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.13  , clause( 219, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.13  , clause( 220, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.13  , clause( 221, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.13  , clause( 222, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 223, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.13  , clause( 224, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.13  , clause( 225, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 226, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.13  , clause( 227, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.13  , clause( 228, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 229, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  , clause( 230, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  , clause( 231, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  , clause( 232, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.72/1.13    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), 
% 0.72/1.13    product( X, Y, 'e_4' ) ] )
% 0.72/1.13  , clause( 233, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.72/1.13    Z, T ) ] )
% 0.72/1.13  , clause( 234, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.72/1.13    Y, T ) ] )
% 0.72/1.13  , clause( 235, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.72/1.13    X, T ) ] )
% 0.72/1.13  , clause( 236, [ product( X, X, X ) ] )
% 0.72/1.13  , clause( 237, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.72/1.13    Z, T, Y ) ] )
% 0.72/1.13  ] ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 0, [ next( 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 206, [ next( 'e_1', 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 1, [ next( 'e_2', 'e_3' ) ] )
% 0.72/1.13  , clause( 207, [ next( 'e_2', 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 7, [ greater( 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 213, [ greater( 'e_4', 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 8, [ greater( 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 214, [ greater( 'e_4', 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( X
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  , clause( 215, [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( 
% 0.72/1.13    Y, Z ) ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.72/1.13    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.13  , clause( 216, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.13  , clause( 217, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.13  , clause( 218, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.13  , clause( 219, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 14, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.13  , clause( 220, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 222, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.13  , clause( 223, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 225, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 21, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.13  , clause( 227, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 228, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  , clause( 229, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  , clause( 230, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  , clause( 231, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 0.72/1.13    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.13    'group_element'( Y ) ) ] )
% 0.72/1.13  , clause( 232, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.72/1.13    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), 
% 0.72/1.13    product( X, Y, 'e_4' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.13     ), ==>( 1, 5 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 4 ), ==>( 5, 1 )] )
% 0.72/1.13     ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 27, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.72/1.13    T ) ) ] )
% 0.72/1.13  , clause( 233, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.72/1.13    Z, T ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.13    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.72/1.13    Z ) ) ] )
% 0.72/1.13  , clause( 234, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.72/1.13    Y, T ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.13    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.72/1.13    Z ) ) ] )
% 0.72/1.13  , clause( 235, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.72/1.13    X, T ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.13    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 30, [ product( X, X, X ) ] )
% 0.72/1.13  , clause( 236, [ product( X, X, X ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 31, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y, X
% 0.72/1.13    , T ) ) ] )
% 0.72/1.13  , clause( 237, [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( 
% 0.72/1.13    Z, T, Y ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.13    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 257, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  , clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( 
% 0.72/1.13    X, Z ) ) ] )
% 0.72/1.13  , 2, clause( 1, [ next( 'e_2', 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' )] ), 
% 0.72/1.13    substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 38, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  , clause( 257, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) )
% 0.72/1.13     ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.13    1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 258, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  , clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( 
% 0.72/1.13    X, Z ) ) ] )
% 0.72/1.13  , 2, clause( 0, [ next( 'e_1', 'e_2' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' )] ), 
% 0.72/1.13    substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 39, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  , clause( 258, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) )
% 0.72/1.13     ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.13    1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 260, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_4' ), 
% 0.72/1.13    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ), product( X, 'e_1'
% 0.72/1.13    , 'e_3' ) ] )
% 0.72/1.13  , clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.72/1.13    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.13    'group_element'( Y ) ) ] )
% 0.72/1.13  , 5, clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.72/1.13    ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 41, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.13    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , clause( 260, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_4' ), 
% 0.72/1.13    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ), product( X, 'e_1'
% 0.72/1.13    , 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.13    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 262, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_4' ), 
% 0.72/1.13    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ), product( X, 'e_3'
% 0.72/1.13    , 'e_3' ) ] )
% 0.72/1.13  , clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.72/1.13    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.13    'group_element'( Y ) ) ] )
% 0.72/1.13  , 5, clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' )] ), substitution( 1, [] )
% 0.72/1.13    ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 43, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.13    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , clause( 262, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_4' ), 
% 0.72/1.13    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ), product( X, 'e_3'
% 0.72/1.13    , 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.13    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 264, [ ~( 'group_element'( X ) ), product( X, 'e_4', 'e_4' ), 
% 0.72/1.13    product( X, 'e_4', 'e_1' ), product( X, 'e_4', 'e_2' ), product( X, 'e_4'
% 0.72/1.13    , 'e_3' ) ] )
% 0.72/1.13  , clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.72/1.13    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.72/1.13    'group_element'( Y ) ) ] )
% 0.72/1.13  , 5, clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' )] ), substitution( 1, [] )
% 0.72/1.13    ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 44, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.13    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , clause( 264, [ ~( 'group_element'( X ) ), product( X, 'e_4', 'e_4' ), 
% 0.72/1.13    product( X, 'e_4', 'e_1' ), product( X, 'e_4', 'e_2' ), product( X, 'e_4'
% 0.72/1.13    , 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.13    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 265, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 38, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  , 1, clause( 8, [ greater( 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 45, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 265, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 267, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.13  , clause( 27, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.72/1.13    , T ) ) ] )
% 0.72/1.13  , 2, clause( 30, [ product( X, X, X ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Y ), :=( Z, X ), :=( T, Y )] ), 
% 0.72/1.13    substitution( 1, [ :=( X, Y )] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 46, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.13  , clause( 267, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.13     ), ==>( 1, 1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 268, [ ~( product( 'e_1', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 39, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.72/1.13     )
% 0.72/1.13  , 1, clause( 7, [ greater( 'e_4', 'e_2' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 48, [ ~( product( 'e_1', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , clause( 268, [ ~( product( 'e_1', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 270, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  , 2, clause( 30, [ product( X, X, X ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Y ), :=( T, Y )] ), 
% 0.72/1.13    substitution( 1, [ :=( X, Y )] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , clause( 270, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.13     ), ==>( 1, 1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 272, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  , 2, clause( 30, [ product( X, X, X ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Y ), :=( T, Y )] ), 
% 0.72/1.13    substitution( 1, [ :=( X, Y )] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , clause( 272, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.13     ), ==>( 1, 1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 273, [ product( 'e_2', 'e_1', 'e_4' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.13  , clause( 41, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.13    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , 4, clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 274, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.13  , clause( 45, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , 0, clause( 273, [ product( 'e_2', 'e_1', 'e_4' ), product( 'e_2', 'e_1', 
% 0.72/1.13    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ]
% 0.72/1.13     )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 52, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.13  , clause( 274, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.13    , 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 280, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.13    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  , 2, clause( 52, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.13    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 57, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.13    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.13  , clause( 280, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.13    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.13    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 281, [ product( 'e_4', 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  , clause( 43, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.13    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , 4, clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 76, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ] )
% 0.72/1.13  , clause( 281, [ product( 'e_4', 'e_3', 'e_4' ), product( 'e_4', 'e_3', 
% 0.72/1.13    'e_1' ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ]
% 0.72/1.13     )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.13    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 282, [ equalish( 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.13    product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  , clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , 1, clause( 76, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.13    'e_2' ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ]
% 0.72/1.13     )
% 0.72/1.13  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 283, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  , clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.13  , 0, clause( 282, [ equalish( 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 87, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  , clause( 283, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.13    'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.13    , 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 284, [ equalish( 'e_4', 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.13    product( 'e_4', 'e_3', 'e_2' ) ] )
% 0.72/1.13  , clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , 1, clause( 87, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.13    'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 285, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  , 0, clause( 284, [ equalish( 'e_4', 'e_3' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 90, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 285, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.13    'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.13     ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 286, [ product( 'e_1', 'e_4', 'e_4' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 44, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.13    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , 4, clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 91, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ] )
% 0.72/1.13  , clause( 286, [ product( 'e_1', 'e_4', 'e_4' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ]
% 0.72/1.13     )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.13    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 287, [ product( 'e_2', 'e_4', 'e_4' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 44, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.13    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , 4, clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 92, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ] )
% 0.72/1.13  , clause( 287, [ product( 'e_2', 'e_4', 'e_4' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ]
% 0.72/1.13     )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.13    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 288, [ product( 'e_3', 'e_4', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 44, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.72/1.13    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.72/1.13    'group_element'( X ) ) ] )
% 0.72/1.13  , 4, clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 93, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ] )
% 0.72/1.13  , clause( 288, [ product( 'e_3', 'e_4', 'e_4' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ]
% 0.72/1.13     )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.13    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 292, [ ~( product( 'e_3', 'e_4', X ) ), product( X, 'e_2', 'e_4' )
% 0.72/1.13    , product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , clause( 31, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.72/1.13    , X, T ) ) ] )
% 0.72/1.13  , 2, clause( 90, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.13    'e_2' ) ] )
% 0.72/1.13  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' ), :=( Z, X ), :=( T, 
% 0.72/1.13    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 94, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_2', 'e_4' ), 
% 0.72/1.13    ~( product( 'e_3', 'e_4', X ) ) ] )
% 0.72/1.13  , clause( 292, [ ~( product( 'e_3', 'e_4', X ) ), product( X, 'e_2', 'e_4'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.13    1 ), ==>( 2, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 293, [ equalish( 'e_1', 'e_4' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , 1, clause( 91, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ]
% 0.72/1.13     )
% 0.72/1.13  , 3, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 294, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , 0, clause( 293, [ equalish( 'e_1', 'e_4' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 99, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 294, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.13    , 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 300, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_3' ) ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  , 2, clause( 99, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.13    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 101, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  , clause( 300, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_3' ) ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.13    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 301, [ equalish( 'e_2', 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , 1, clause( 92, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ]
% 0.72/1.13     )
% 0.72/1.13  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 302, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.72/1.13  , 0, clause( 301, [ equalish( 'e_2', 'e_4' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 106, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 302, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.13    , 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 303, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), product( 
% 0.72/1.13    'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 101, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  , 3, clause( 106, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 304, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.13  , 0, clause( 303, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_2', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 107, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 304, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ]
% 0.72/1.13     )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.13    , 0 ), ==>( 3, 3 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 305, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), product( 
% 0.72/1.13    'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 57, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.13  , 3, clause( 106, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 306, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  , 0, clause( 305, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 108, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 306, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.13    'e_2' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ]
% 0.72/1.13     )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.13    , 0 ), ==>( 3, 3 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 308, [ equalish( 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , 1, clause( 107, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ]
% 0.72/1.13     )
% 0.72/1.13  , 3, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 309, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  , 0, clause( 308, [ equalish( 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 115, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 309, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.13    , 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 315, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  , 2, clause( 115, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.13    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 117, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  , clause( 315, [ equalish( X, 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.13    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 316, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 
% 0.72/1.13    'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 117, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  , 3, clause( 108, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.13    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ) ]
% 0.72/1.13     )
% 0.72/1.13  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 318, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    equalish( 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2'
% 0.72/1.13    , 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , 1, clause( 316, [ product( 'e_1', 'e_4', 'e_1' ), equalish( 'e_2', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , 4, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  factor(
% 0.72/1.13  clause( 320, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    equalish( 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2'
% 0.72/1.13    , 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 318, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    equalish( 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2'
% 0.72/1.13    , 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , 3, 4, substitution( 0, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  factor(
% 0.72/1.13  clause( 321, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 320, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    equalish( 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2'
% 0.72/1.13    , 'e_1', 'e_2' ) ] )
% 0.72/1.13  , 0, 2, substitution( 0, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 120, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), equalish( 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 321, [ equalish( 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.13    , 0 ), ==>( 3, 3 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 322, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.13  , 0, clause( 120, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_1' ), equalish( 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 131, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , clause( 322, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.13    , 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 324, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , 1, clause( 131, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 325, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 14, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.13  , 0, clause( 324, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 134, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 325, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.13     ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 329, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.13    , Z ) ) ] )
% 0.72/1.13  , 2, clause( 134, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.72/1.13    'e_1' ) ] )
% 0.72/1.13  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.13    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 136, [ equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), ~( 
% 0.72/1.13    product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  , clause( 329, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ), 
% 0.72/1.13    product( 'e_1', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.13    2 ), ==>( 2, 1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 330, [ equalish( 'e_3', 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.72/1.13  , 1, clause( 93, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ]
% 0.72/1.13     )
% 0.72/1.13  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 331, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.72/1.13  , 0, clause( 330, [ equalish( 'e_3', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 152, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , clause( 331, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.13    , 2 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 332, [ equalish( 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , 1, clause( 152, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 333, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.72/1.13  , 0, clause( 332, [ equalish( 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 158, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 333, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_2' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.13     ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 335, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 'e_4'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 94, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_2', 'e_4' )
% 0.72/1.13    , ~( product( 'e_3', 'e_4', X ) ) ] )
% 0.72/1.13  , 2, clause( 158, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_2' ) ] )
% 0.72/1.13  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 159, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_2', 'e_2', 'e_4' ) ] )
% 0.72/1.13  , clause( 335, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.13    'e_4' ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.13    , 1 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 336, [ equalish( 'e_4', 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.72/1.13    product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 46, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.72/1.13  , 1, clause( 159, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_1' ), product( 'e_2', 'e_2', 'e_4' ) ] )
% 0.72/1.13  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 337, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.72/1.13  , 0, clause( 336, [ equalish( 'e_4', 'e_2' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.13     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 180, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 337, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.13     ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 338, [ equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.72/1.13    product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , clause( 136, [ equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), ~( 
% 0.72/1.13    product( X, 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  , 2, clause( 180, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_1' ) ] )
% 0.72/1.13  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 339, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 21, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.13  , 0, clause( 338, [ equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 186, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 339, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 
% 0.72/1.13    'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.72/1.13     ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 340, [ equalish( 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ) ]
% 0.72/1.13     )
% 0.72/1.13  , clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.72/1.13  , 1, clause( 186, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 0.72/1.13    'e_1' ) ] )
% 0.72/1.13  , 1, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.72/1.13    , [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 341, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.72/1.13  , 0, clause( 340, [ equalish( 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 196, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , clause( 341, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 343, [ ~( product( 'e_3', 'e_4', X ) ), product( X, 'e_1', 'e_4' )
% 0.72/1.13     ] )
% 0.72/1.13  , clause( 31, [ ~( product( X, Y, Z ) ), product( Z, T, Y ), ~( product( Y
% 0.72/1.13    , X, T ) ) ] )
% 0.72/1.13  , 2, clause( 196, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' ), :=( Z, X ), :=( T, 
% 0.72/1.13    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 197, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_3', 'e_4', X ) )
% 0.72/1.13     ] )
% 0.72/1.13  , clause( 343, [ ~( product( 'e_3', 'e_4', X ) ), product( X, 'e_1', 'e_4'
% 0.72/1.13     ) ] )
% 0.72/1.13  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.13    0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 345, [ product( 'e_2', 'e_1', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.72/1.13     ) ] )
% 0.72/1.13  , clause( 197, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_3', 'e_4', X )
% 0.72/1.13     ) ] )
% 0.72/1.13  , 1, clause( 158, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_2' ) ] )
% 0.72/1.13  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 346, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 45, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , 0, clause( 345, [ product( 'e_2', 'e_1', 'e_4' ), product( 'e_3', 'e_4', 
% 0.72/1.13    'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 203, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , clause( 346, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 347, [ product( 'e_1', 'e_1', 'e_4' ) ] )
% 0.72/1.13  , clause( 197, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_3', 'e_4', X )
% 0.72/1.13     ) ] )
% 0.72/1.13  , 1, clause( 203, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.72/1.13  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  resolution(
% 0.72/1.13  clause( 348, [] )
% 0.72/1.13  , clause( 48, [ ~( product( 'e_1', 'e_1', 'e_4' ) ) ] )
% 0.72/1.13  , 0, clause( 347, [ product( 'e_1', 'e_1', 'e_4' ) ] )
% 0.72/1.13  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  subsumption(
% 0.72/1.13  clause( 204, [] )
% 0.72/1.13  , clause( 348, [] )
% 0.72/1.13  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  end.
% 0.72/1.13  
% 0.72/1.13  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.13  
% 0.72/1.13  Memory use:
% 0.72/1.13  
% 0.72/1.13  space for terms:        3310
% 0.72/1.13  space for clauses:      9593
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  clauses generated:      372
% 0.72/1.13  clauses kept:           205
% 0.72/1.13  clauses selected:       124
% 0.72/1.13  clauses deleted:        9
% 0.72/1.13  clauses inuse deleted:  0
% 0.72/1.13  
% 0.72/1.13  subsentry:          939
% 0.72/1.13  literals s-matched: 602
% 0.72/1.13  literals matched:   488
% 0.72/1.13  full subsumption:   111
% 0.72/1.13  
% 0.72/1.13  checksum:           -970360583
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Bliksem ended
%------------------------------------------------------------------------------