TSTP Solution File: GRP124-2.004 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP124-2.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n003.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 07:35:04 EDT 2022

% Result   : Unsatisfiable 0.69s 1.09s
% Output   : Refutation 0.69s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.14  % Problem  : GRP124-2.004 : TPTP v8.1.0. Released v1.2.0.
% 0.08/0.14  % Command  : bliksem %s
% 0.14/0.35  % Computer : n003.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 : Tue Jun 14 05:46:55 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.69/1.09  *** allocated 10000 integers for termspace/termends
% 0.69/1.09  *** allocated 10000 integers for clauses
% 0.69/1.09  *** allocated 10000 integers for justifications
% 0.69/1.09  Bliksem 1.12
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Automatic Strategy Selection
% 0.69/1.09  
% 0.69/1.09  Clauses:
% 0.69/1.09  [
% 0.69/1.09     [ next( 'e_1', 'e_2' ) ],
% 0.69/1.09     [ next( 'e_2', 'e_3' ) ],
% 0.69/1.09     [ next( 'e_3', 'e_4' ) ],
% 0.69/1.09     [ greater( 'e_2', 'e_1' ) ],
% 0.69/1.09     [ greater( 'e_3', 'e_1' ) ],
% 0.69/1.09     [ greater( 'e_4', 'e_1' ) ],
% 0.69/1.09     [ greater( 'e_3', 'e_2' ) ],
% 0.69/1.09     [ greater( 'e_4', 'e_2' ) ],
% 0.69/1.09     [ greater( 'e_4', 'e_3' ) ],
% 0.69/1.09     [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( Y, Z ) ) ]
% 0.69/1.09    ,
% 0.69/1.09     [ 'group_element'( 'e_1' ) ],
% 0.69/1.09     [ 'group_element'( 'e_2' ) ],
% 0.69/1.09     [ 'group_element'( 'e_3' ) ],
% 0.69/1.09     [ 'group_element'( 'e_4' ) ],
% 0.69/1.09     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_1', 'e_4' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_2', 'e_4' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_3', 'e_4' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_4', 'e_1' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_4', 'e_2' ) ) ],
% 0.69/1.09     [ ~( equalish( 'e_4', 'e_3' ) ) ],
% 0.69/1.09     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.69/1.09    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), product( X, Y, 
% 0.69/1.09    'e_4' ) ],
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.69/1.09    ,
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.69/1.09    ,
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.69/1.09    ,
% 0.69/1.09     [ product( X, X, X ) ],
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( product( W, X, Y
% 0.69/1.09     ) ), ~( product( W, T, U ) ), equalish( X, T ) ],
% 0.69/1.09     [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( product( W, X, Y
% 0.69/1.09     ) ), ~( product( W, T, U ) ), equalish( Y, U ) ]
% 0.69/1.09  ] .
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  percentage equality = 0.000000, percentage horn = 0.969697
% 0.69/1.09  This is a near-Horn, non-equality  problem
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Options Used:
% 0.69/1.09  
% 0.69/1.09  useres =            1
% 0.69/1.09  useparamod =        0
% 0.69/1.09  useeqrefl =         0
% 0.69/1.09  useeqfact =         0
% 0.69/1.09  usefactor =         1
% 0.69/1.09  usesimpsplitting =  0
% 0.69/1.09  usesimpdemod =      0
% 0.69/1.09  usesimpres =        4
% 0.69/1.09  
% 0.69/1.09  resimpinuse      =  1000
% 0.69/1.09  resimpclauses =     20000
% 0.69/1.09  substype =          standard
% 0.69/1.09  backwardsubs =      1
% 0.69/1.09  selectoldest =      5
% 0.69/1.09  
% 0.69/1.09  litorderings [0] =  split
% 0.69/1.09  litorderings [1] =  liftord
% 0.69/1.09  
% 0.69/1.09  termordering =      none
% 0.69/1.09  
% 0.69/1.09  litapriori =        1
% 0.69/1.09  termapriori =       0
% 0.69/1.09  litaposteriori =    0
% 0.69/1.09  termaposteriori =   0
% 0.69/1.09  demodaposteriori =  0
% 0.69/1.09  ordereqreflfact =   0
% 0.69/1.09  
% 0.69/1.09  litselect =         negative
% 0.69/1.09  
% 0.69/1.09  maxweight =         30000
% 0.69/1.09  maxdepth =          30000
% 0.69/1.09  maxlength =         115
% 0.69/1.09  maxnrvars =         195
% 0.69/1.09  excuselevel =       0
% 0.69/1.09  increasemaxweight = 0
% 0.69/1.09  
% 0.69/1.09  maxselected =       10000000
% 0.69/1.09  maxnrclauses =      10000000
% 0.69/1.09  
% 0.69/1.09  showgenerated =    0
% 0.69/1.09  showkept =         0
% 0.69/1.09  showselected =     0
% 0.69/1.09  showdeleted =      0
% 0.69/1.09  showresimp =       1
% 0.69/1.09  showstatus =       2000
% 0.69/1.09  
% 0.69/1.09  prologoutput =     1
% 0.69/1.09  nrgoals =          5000000
% 0.69/1.09  totalproof =       1
% 0.69/1.09  
% 0.69/1.09  Symbols occurring in the translation:
% 0.69/1.09  
% 0.69/1.09  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.69/1.09  .  [1, 2]      (w:1, o:29, a:1, s:1, b:0), 
% 0.69/1.09  !  [4, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 0.69/1.09  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.69/1.09  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.69/1.09  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.69/1.09  'e_2'  [40, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.69/1.09  next  [41, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.69/1.09  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.69/1.09  'e_4'  [43, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.69/1.09  greater  [44, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 0.69/1.09  product  [47, 3]      (w:1, o:57, a:1, s:1, b:0), 
% 0.69/1.09  'group_element'  [49, 1]      (w:1, o:28, a:1, s:1, b:0), 
% 0.69/1.09  equalish  [50, 2]      (w:1, o:56, a:1, s:1, b:0).
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Starting Search:
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  Bliksems!, er is een bewijs:
% 0.69/1.09  % SZS status Unsatisfiable
% 0.69/1.09  % SZS output start Refutation
% 0.69/1.09  
% 0.69/1.09  clause( 1, [ next( 'e_2', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 8, [ greater( 'e_4', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( X
% 0.69/1.09    , Z ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 14, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 15, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 20, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 21, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 0.69/1.09    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.69/1.09    'group_element'( Y ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.69/1.09    Z ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.69/1.09    Z ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 30, [ product( X, X, X ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 31, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U, 
% 0.69/1.09    Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 32, [ equalish( Y, U ), ~( product( W, X, Y ) ), ~( product( T, U, 
% 0.69/1.09    Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 38, [ equalish( X, Y ), ~( product( X, Y, Z ) ), ~( product( Y, Z, 
% 0.69/1.09    X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 39, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Y, X, 
% 0.69/1.09    Z ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 43, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Z, Y, 
% 0.69/1.09    X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 47, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.69/1.09     )
% 0.69/1.09  .
% 0.69/1.09  clause( 49, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.09    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 50, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 0.69/1.09    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 51, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.09    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 52, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.69/1.09    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.69/1.09    'group_element'( X ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 53, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 61, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.09     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 63, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 0.69/1.09     ), product( 'e_4', 'e_1', 'e_3' ), product( 'e_4', 'e_1', 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 69, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.69/1.09    'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 77, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.09     ), product( 'e_4', 'e_2', 'e_3' ), product( 'e_4', 'e_2', 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 78, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.09     ), product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 80, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.09     ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 83, [ product( 'e_1', 'e_3', 'e_2' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.09    product( 'e_1', 'e_3', 'e_3' ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 90, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3'
% 0.69/1.09     ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 91, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.09     ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 92, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.69/1.09     ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 93, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.09     ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 99, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.09     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 102, [ equalish( 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), 
% 0.69/1.09    ~( product( 'e_4', 'e_3', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 109, [ product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.09    'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 128, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 0.69/1.09     ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 129, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.69/1.09     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 146, [ product( 'e_4', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.69/1.09    product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 155, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.09     ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 180, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.69/1.09     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 197, [ equalish( 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.69/1.09    ~( product( 'e_4', 'e_3', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 204, [ product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.09    'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 227, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.09     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 233, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.09     ), ~( product( 'e_3', 'e_4', 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 259, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.09     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 268, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 269, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 279, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.09     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 287, [ equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 0.69/1.09    product( X, 'e_4', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 306, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 307, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 318, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_2', 'e_1' )
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 328, [ ~( product( 'e_4', 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 360, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.09     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 370, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 373, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 411, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 412, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 414, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3'
% 0.69/1.09     ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 423, [ product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 436, [ equalish( X, 'e_4' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 445, [ product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.09  .
% 0.69/1.09  clause( 446, [] )
% 0.69/1.09  .
% 0.69/1.09  
% 0.69/1.09  
% 0.69/1.09  % SZS output end Refutation
% 0.69/1.09  found a proof!
% 0.69/1.09  
% 0.69/1.09  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.69/1.09  
% 0.69/1.09  initialclauses(
% 0.69/1.09  [ clause( 448, [ next( 'e_1', 'e_2' ) ] )
% 0.69/1.09  , clause( 449, [ next( 'e_2', 'e_3' ) ] )
% 0.69/1.09  , clause( 450, [ next( 'e_3', 'e_4' ) ] )
% 0.69/1.09  , clause( 451, [ greater( 'e_2', 'e_1' ) ] )
% 0.69/1.09  , clause( 452, [ greater( 'e_3', 'e_1' ) ] )
% 0.69/1.09  , clause( 453, [ greater( 'e_4', 'e_1' ) ] )
% 0.69/1.09  , clause( 454, [ greater( 'e_3', 'e_2' ) ] )
% 0.69/1.09  , clause( 455, [ greater( 'e_4', 'e_2' ) ] )
% 0.69/1.09  , clause( 456, [ greater( 'e_4', 'e_3' ) ] )
% 0.69/1.09  , clause( 457, [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( 
% 0.69/1.09    Y, Z ) ) ] )
% 0.69/1.09  , clause( 458, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.09  , clause( 459, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.09  , clause( 460, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.09  , clause( 461, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.09  , clause( 462, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.09  , clause( 463, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.09  , clause( 464, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.69/1.09  , clause( 465, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.09  , clause( 466, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.69/1.09  , clause( 467, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.69/1.09  , clause( 468, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.09  , clause( 469, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.09  , clause( 470, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.09  , clause( 471, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 472, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , clause( 473, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.69/1.10  , clause( 474, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.69/1.10    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), 
% 0.69/1.10    product( X, Y, 'e_4' ) ] )
% 0.69/1.10  , clause( 475, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.69/1.10    Z, T ) ] )
% 0.69/1.10  , clause( 476, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.69/1.10    Y, T ) ] )
% 0.69/1.10  , clause( 477, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.69/1.10    X, T ) ] )
% 0.69/1.10  , clause( 478, [ product( X, X, X ) ] )
% 0.69/1.10  , clause( 479, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.69/1.10    product( W, X, Y ) ), ~( product( W, T, U ) ), equalish( X, T ) ] )
% 0.69/1.10  , clause( 480, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.69/1.10    product( W, X, Y ) ), ~( product( W, T, U ) ), equalish( Y, U ) ] )
% 0.69/1.10  ] ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 1, [ next( 'e_2', 'e_3' ) ] )
% 0.69/1.10  , clause( 449, [ next( 'e_2', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 8, [ greater( 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 456, [ greater( 'e_4', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( X
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , clause( 457, [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( 
% 0.69/1.10    Y, Z ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.10    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.10  , clause( 458, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.10  , clause( 459, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.10  , clause( 460, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.10  , clause( 461, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 14, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.10  , clause( 462, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 15, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.10  , clause( 463, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , clause( 464, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 465, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.69/1.10  , clause( 467, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 20, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 468, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 21, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.10  , clause( 469, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.10  , clause( 470, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 471, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , clause( 472, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.69/1.10  , clause( 473, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 0.69/1.10    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.69/1.10    'group_element'( Y ) ) ] )
% 0.69/1.10  , clause( 474, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.69/1.10    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), 
% 0.69/1.10    product( X, Y, 'e_4' ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.69/1.10     ), ==>( 1, 5 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 4 ), ==>( 5, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.69/1.10    Z ) ) ] )
% 0.69/1.10  , clause( 476, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.69/1.10    Y, T ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.10    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.69/1.10    Z ) ) ] )
% 0.69/1.10  , clause( 477, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.69/1.10    X, T ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.69/1.10    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 30, [ product( X, X, X ) ] )
% 0.69/1.10  , clause( 478, [ product( X, X, X ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 31, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U, 
% 0.69/1.10    Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.69/1.10  , clause( 479, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.69/1.10    product( W, X, Y ) ), ~( product( W, T, U ) ), equalish( X, T ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 0.69/1.10    , U ), :=( W, W )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 4 ), ==>( 4, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 32, [ equalish( Y, U ), ~( product( W, X, Y ) ), ~( product( T, U, 
% 0.69/1.10    Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.69/1.10  , clause( 480, [ ~( product( X, Y, Z ) ), ~( product( T, U, Z ) ), ~( 
% 0.69/1.10    product( W, X, Y ) ), ~( product( W, T, U ) ), equalish( Y, U ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 0.69/1.10    , U ), :=( W, W )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 4 ), ==>( 4, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 526, [ equalish( X, Y ), ~( product( X, X, X ) ), ~( product( Y, Z
% 0.69/1.10    , X ) ), ~( product( X, Y, Z ) ) ] )
% 0.69/1.10  , clause( 31, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U
% 0.69/1.10    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.69/1.10  , 1, 3, substitution( 0, [ :=( X, X ), :=( Y, X ), :=( Z, X ), :=( T, Y ), 
% 0.69/1.10    :=( U, Z ), :=( W, X )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 533, [ equalish( X, Y ), ~( product( Y, Z, X ) ), ~( product( X, Y
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , clause( 526, [ equalish( X, Y ), ~( product( X, X, X ) ), ~( product( Y, 
% 0.69/1.10    Z, X ) ), ~( product( X, Y, Z ) ) ] )
% 0.69/1.10  , 1, clause( 30, [ product( X, X, X ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.10    substitution( 1, [ :=( X, X )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 38, [ equalish( X, Y ), ~( product( X, Y, Z ) ), ~( product( Y, Z, 
% 0.69/1.10    X ) ) ] )
% 0.69/1.10  , clause( 533, [ equalish( X, Y ), ~( product( Y, Z, X ) ), ~( product( X, 
% 0.69/1.10    Y, Z ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.10    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 538, [ equalish( X, Y ), ~( product( Y, X, Z ) ), ~( product( Y, Y
% 0.69/1.10    , Y ) ), ~( product( X, Z, Y ) ) ] )
% 0.69/1.10  , clause( 31, [ equalish( X, T ), ~( product( W, X, Y ) ), ~( product( T, U
% 0.69/1.10    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.69/1.10  , 2, 4, substitution( 0, [ :=( X, X ), :=( Y, Z ), :=( Z, Y ), :=( T, Y ), 
% 0.69/1.10    :=( U, Y ), :=( W, Y )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 545, [ equalish( X, Y ), ~( product( Y, X, Z ) ), ~( product( X, Z
% 0.69/1.10    , Y ) ) ] )
% 0.69/1.10  , clause( 538, [ equalish( X, Y ), ~( product( Y, X, Z ) ), ~( product( Y, 
% 0.69/1.10    Y, Y ) ), ~( product( X, Z, Y ) ) ] )
% 0.69/1.10  , 2, clause( 30, [ product( X, X, X ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.10    substitution( 1, [ :=( X, Y )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 39, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Y, X, 
% 0.69/1.10    Z ) ) ] )
% 0.69/1.10  , clause( 545, [ equalish( X, Y ), ~( product( Y, X, Z ) ), ~( product( X, 
% 0.69/1.10    Z, Y ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.10    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 548, [ equalish( X, Y ), ~( product( X, X, X ) ), ~( product( Z, Y
% 0.69/1.10    , X ) ), ~( product( X, Z, Y ) ) ] )
% 0.69/1.10  , clause( 32, [ equalish( Y, U ), ~( product( W, X, Y ) ), ~( product( T, U
% 0.69/1.10    , Z ) ), ~( product( X, Y, Z ) ), ~( product( W, T, U ) ) ] )
% 0.69/1.10  , 1, 3, substitution( 0, [ :=( X, X ), :=( Y, X ), :=( Z, X ), :=( T, Z ), 
% 0.69/1.10    :=( U, Y ), :=( W, X )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 555, [ equalish( X, Y ), ~( product( Z, Y, X ) ), ~( product( X, Z
% 0.69/1.10    , Y ) ) ] )
% 0.69/1.10  , clause( 548, [ equalish( X, Y ), ~( product( X, X, X ) ), ~( product( Z, 
% 0.69/1.10    Y, X ) ), ~( product( X, Z, Y ) ) ] )
% 0.69/1.10  , 1, clause( 30, [ product( X, X, X ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.10    substitution( 1, [ :=( X, X )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 43, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Z, Y, 
% 0.69/1.10    X ) ) ] )
% 0.69/1.10  , clause( 555, [ equalish( X, Y ), ~( product( Z, Y, X ) ), ~( product( X, 
% 0.69/1.10    Z, Y ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.69/1.10    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 557, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.69/1.10     )
% 0.69/1.10  , clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( 
% 0.69/1.10    X, Z ) ) ] )
% 0.69/1.10  , 2, clause( 1, [ next( 'e_2', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' )] ), 
% 0.69/1.10    substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 47, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.69/1.10     )
% 0.69/1.10  , clause( 557, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) )
% 0.69/1.10     ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.10    1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 559, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_4' ), 
% 0.69/1.10    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ), product( X, 'e_1'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.69/1.10    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.69/1.10    'group_element'( Y ) ) ] )
% 0.69/1.10  , 5, clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.69/1.10    ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 49, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.10    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , clause( 559, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_4' ), 
% 0.69/1.10    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ), product( X, 'e_1'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.69/1.10    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 561, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_4' ), 
% 0.69/1.10    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ), product( X, 'e_2'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.69/1.10    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.69/1.10    'group_element'( Y ) ) ] )
% 0.69/1.10  , 5, clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.69/1.10    ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 50, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 0.69/1.10    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , clause( 561, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_4' ), 
% 0.69/1.10    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ), product( X, 'e_2'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.69/1.10    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 563, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_4' ), 
% 0.69/1.10    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ), product( X, 'e_3'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.69/1.10    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.69/1.10    'group_element'( Y ) ) ] )
% 0.69/1.10  , 5, clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' )] ), substitution( 1, [] )
% 0.69/1.10    ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 51, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.10    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , clause( 563, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_4' ), 
% 0.69/1.10    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ), product( X, 'e_3'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.69/1.10    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 565, [ ~( 'group_element'( X ) ), product( X, 'e_4', 'e_4' ), 
% 0.69/1.10    product( X, 'e_4', 'e_1' ), product( X, 'e_4', 'e_2' ), product( X, 'e_4'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( 
% 0.69/1.10    X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.69/1.10    'group_element'( Y ) ) ] )
% 0.69/1.10  , 5, clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' )] ), substitution( 1, [] )
% 0.69/1.10    ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 52, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.69/1.10    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , clause( 565, [ ~( 'group_element'( X ) ), product( X, 'e_4', 'e_4' ), 
% 0.69/1.10    product( X, 'e_4', 'e_1' ), product( X, 'e_4', 'e_2' ), product( X, 'e_4'
% 0.69/1.10    , 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.69/1.10    0 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 566, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , clause( 47, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.69/1.10     )
% 0.69/1.10  , 1, clause( 8, [ greater( 'e_4', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 53, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , clause( 566, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 568, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 30, [ product( X, X, X ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Y ), :=( T, Y )] ), 
% 0.69/1.10    substitution( 1, [ :=( X, Y )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , clause( 568, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.69/1.10     ), ==>( 1, 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 570, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 30, [ product( X, X, X ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Y ), :=( T, Y )] ), 
% 0.69/1.10    substitution( 1, [ :=( X, Y )] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , clause( 570, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.69/1.10     ), ==>( 1, 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 571, [ product( 'e_2', 'e_1', 'e_4' ), product( 'e_2', 'e_1', 'e_1'
% 0.69/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , clause( 49, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.10    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 572, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.10     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , clause( 53, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 571, [ product( 'e_2', 'e_1', 'e_4' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 61, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.10     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , clause( 572, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 573, [ product( 'e_4', 'e_1', 'e_4' ), product( 'e_4', 'e_1', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , clause( 49, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.69/1.10    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 63, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_3' ), product( 'e_4', 'e_1', 'e_4' ) ] )
% 0.69/1.10  , clause( 573, [ product( 'e_4', 'e_1', 'e_4' ), product( 'e_4', 'e_1', 
% 0.69/1.10    'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 579, [ equalish( X, 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.69/1.10    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 61, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_3' ), :=( T, 
% 0.69/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 69, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.69/1.10    'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.69/1.10  , clause( 579, [ equalish( X, 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.69/1.10    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.69/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 580, [ product( 'e_4', 'e_2', 'e_4' ), product( 'e_4', 'e_2', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.10  , clause( 50, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 0.69/1.10    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 77, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_2', 'e_3' ), product( 'e_4', 'e_2', 'e_4' ) ] )
% 0.69/1.10  , clause( 580, [ product( 'e_4', 'e_2', 'e_4' ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_1' ), product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 581, [ product( 'e_1', 'e_3', 'e_4' ), product( 'e_1', 'e_3', 'e_1'
% 0.69/1.10     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 51, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.10    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 78, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.10     ), product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 0.69/1.10  , clause( 581, [ product( 'e_1', 'e_3', 'e_4' ), product( 'e_1', 'e_3', 
% 0.69/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 582, [ product( 'e_4', 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 51, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.69/1.10    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 80, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ] )
% 0.69/1.10  , clause( 582, [ product( 'e_4', 'e_3', 'e_4' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 590, [ equalish( 'e_3', 'e_1' ), ~( product( 'e_3', 'e_4', 'e_1' )
% 0.69/1.10     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 0.69/1.10    product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 39, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Y, X
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 78, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.69/1.10    'e_2' ), product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_4' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' ), :=( Z, 'e_4' )] ), 
% 0.69/1.10    substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 598, [ equalish( 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_3', 'e_4', 'e_1' ) ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 0.69/1.10    'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 590, [ equalish( 'e_3', 'e_1' ), ~( product( 'e_3', 'e_4', 
% 0.69/1.10    'e_1' ) ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' )
% 0.69/1.10    , product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 599, [ equalish( 'e_3', 'e_1' ), ~( product( 'e_3', 'e_4', 'e_1' )
% 0.69/1.10     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 598, [ equalish( 'e_3', 'e_1' ), equalish( 'e_3', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_3', 'e_4', 'e_1' ) ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 0.69/1.10    'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , 0, 1, substitution( 0, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 83, [ product( 'e_1', 'e_3', 'e_2' ), equalish( 'e_3', 'e_1' ), 
% 0.69/1.10    product( 'e_1', 'e_3', 'e_3' ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 599, [ equalish( 'e_3', 'e_1' ), ~( product( 'e_3', 'e_4', 'e_1'
% 0.69/1.10     ) ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 3 ), ==>( 2
% 0.69/1.10    , 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 600, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3'
% 0.69/1.10     ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 20, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.69/1.10  , 0, clause( 83, [ product( 'e_1', 'e_3', 'e_2' ), equalish( 'e_3', 'e_1' )
% 0.69/1.10    , product( 'e_1', 'e_3', 'e_3' ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ]
% 0.69/1.10     )
% 0.69/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 90, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3'
% 0.69/1.10     ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 600, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 
% 0.69/1.10    'e_3' ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 601, [ product( 'e_1', 'e_4', 'e_4' ), product( 'e_1', 'e_4', 'e_1'
% 0.69/1.10     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 52, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.69/1.10    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 91, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ] )
% 0.69/1.10  , clause( 601, [ product( 'e_1', 'e_4', 'e_4' ), product( 'e_1', 'e_4', 
% 0.69/1.10    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 602, [ product( 'e_2', 'e_4', 'e_4' ), product( 'e_2', 'e_4', 'e_1'
% 0.69/1.10     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 52, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.69/1.10    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 92, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ] )
% 0.69/1.10  , clause( 602, [ product( 'e_2', 'e_4', 'e_4' ), product( 'e_2', 'e_4', 
% 0.69/1.10    'e_1' ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 603, [ product( 'e_3', 'e_4', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.69/1.10     ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 52, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.69/1.10    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.69/1.10    'group_element'( X ) ) ] )
% 0.69/1.10  , 4, clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 93, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ] )
% 0.69/1.10  , clause( 603, [ product( 'e_3', 'e_4', 'e_4' ), product( 'e_3', 'e_4', 
% 0.69/1.10    'e_1' ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 604, [ equalish( 'e_1', 'e_4' ), product( 'e_1', 'e_4', 'e_1' ), 
% 0.69/1.10    product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 91, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_1', 'e_4', 'e_3' ), product( 'e_1', 'e_4', 'e_4' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 605, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 604, [ equalish( 'e_1', 'e_4' ), product( 'e_1', 'e_4', 'e_1'
% 0.69/1.10     ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 99, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 605, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 611, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 'e_1' )
% 0.69/1.10     ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , clause( 39, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Y, X
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 99, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_1' ), :=( Z, 'e_3' )] ), 
% 0.69/1.10    substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 616, [ equalish( 'e_4', 'e_1' ), equalish( 'e_4', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_1' ) ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 611, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' )
% 0.69/1.10     ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 617, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 'e_1' )
% 0.69/1.10     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , clause( 616, [ equalish( 'e_4', 'e_1' ), equalish( 'e_4', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_1' ) ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , 0, 1, substitution( 0, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 102, [ equalish( 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), 
% 0.69/1.10    ~( product( 'e_4', 'e_3', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 617, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ) ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.10    , 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 618, [ product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ) ] )
% 0.69/1.10  , clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , 0, clause( 102, [ equalish( 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.10     ), ~( product( 'e_4', 'e_3', 'e_1' ) ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 109, [ product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ) ] )
% 0.69/1.10  , clause( 618, [ product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 619, [ equalish( 'e_1', 'e_4' ), product( 'e_4', 'e_1', 'e_1' ), 
% 0.69/1.10    product( 'e_4', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 63, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_1', 'e_3' ), product( 'e_4', 'e_1', 'e_4' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 620, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 619, [ equalish( 'e_1', 'e_4' ), product( 'e_4', 'e_1', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 128, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , clause( 620, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 621, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_4', 'e_2' ), 
% 0.69/1.10    product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_1' ), product( 
% 0.69/1.10    'e_4', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 69, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.69/1.10    product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.69/1.10  , 3, clause( 128, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_4' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 622, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , 0, clause( 621, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_1' ), 
% 0.69/1.10    product( 'e_4', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 129, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.69/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 622, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 0.69/1.10     )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.10    , 0 ), ==>( 3, 3 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 630, [ equalish( 'e_2', 'e_1' ), ~( product( 'e_2', 'e_4', 'e_1' )
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.69/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 43, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Z, Y
% 0.69/1.10    , X ) ) ] )
% 0.69/1.10  , 2, clause( 129, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_1' ), :=( Z, 'e_4' )] ), 
% 0.69/1.10    substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 643, [ equalish( 'e_2', 'e_1' ), equalish( 'e_2', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_2', 'e_4', 'e_1' ) ), product( 'e_4', 'e_1', 'e_1' ), product( 
% 0.69/1.10    'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 630, [ equalish( 'e_2', 'e_1' ), ~( product( 'e_2', 'e_4', 
% 0.69/1.10    'e_1' ) ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1' )
% 0.69/1.10    , product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 644, [ equalish( 'e_2', 'e_1' ), ~( product( 'e_2', 'e_4', 'e_1' )
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 643, [ equalish( 'e_2', 'e_1' ), equalish( 'e_2', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_2', 'e_4', 'e_1' ) ), product( 'e_4', 'e_1', 'e_1' ), product( 
% 0.69/1.10    'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , 0, 1, substitution( 0, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 146, [ product( 'e_4', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.69/1.10    product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 644, [ equalish( 'e_2', 'e_1' ), ~( product( 'e_2', 'e_4', 'e_1'
% 0.69/1.10     ) ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 3 ), ==>( 2
% 0.69/1.10    , 0 ), ==>( 3, 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 645, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.10     ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , 0, clause( 146, [ product( 'e_4', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1'
% 0.69/1.10     ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ]
% 0.69/1.10     )
% 0.69/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 155, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.10     ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 645, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_2' ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 646, [ equalish( 'e_2', 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.69/1.10    product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 92, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_2', 'e_4', 'e_3' ), product( 'e_2', 'e_4', 'e_4' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 647, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 646, [ equalish( 'e_2', 'e_4' ), product( 'e_2', 'e_4', 'e_1'
% 0.69/1.10     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 180, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 647, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 653, [ equalish( 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 'e_2' )
% 0.69/1.10     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , clause( 39, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Y, X
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 180, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' ), :=( Z, 'e_3' )] ), 
% 0.69/1.10    substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 658, [ equalish( 'e_4', 'e_2' ), equalish( 'e_4', 'e_2' ), ~( 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_2' ) ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 653, [ equalish( 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ) ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2' )
% 0.69/1.10     ] )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 659, [ equalish( 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 'e_2' )
% 0.69/1.10     ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , clause( 658, [ equalish( 'e_4', 'e_2' ), equalish( 'e_4', 'e_2' ), ~( 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_2' ) ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , 0, 1, substitution( 0, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 197, [ equalish( 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 0.69/1.10    ~( product( 'e_4', 'e_3', 'e_2' ) ) ] )
% 0.69/1.10  , clause( 659, [ equalish( 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 'e_2'
% 0.69/1.10     ) ), product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.10    , 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 660, [ product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ) ) ] )
% 0.69/1.10  , clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , 0, clause( 197, [ equalish( 'e_4', 'e_2' ), product( 'e_2', 'e_4', 'e_1'
% 0.69/1.10     ), ~( product( 'e_4', 'e_3', 'e_2' ) ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 204, [ product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ) ) ] )
% 0.69/1.10  , clause( 660, [ product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 661, [ equalish( 'e_2', 'e_4' ), product( 'e_4', 'e_2', 'e_1' ), 
% 0.69/1.10    product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 77, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_2', 'e_3' ), product( 'e_4', 'e_2', 'e_4' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 662, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.10  , clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 661, [ equalish( 'e_2', 'e_4' ), product( 'e_4', 'e_2', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_2', 'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 227, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.10  , clause( 662, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 668, [ equalish( 'e_3', 'e_4' ), ~( product( 'e_3', 'e_4', 'e_2' )
% 0.69/1.10     ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.69/1.10  , clause( 38, [ equalish( X, Y ), ~( product( X, Y, Z ) ), ~( product( Y, Z
% 0.69/1.10    , X ) ) ] )
% 0.69/1.10  , 2, clause( 227, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' ), :=( Z, 'e_2' )] ), 
% 0.69/1.10    substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 669, [ ~( product( 'e_3', 'e_4', 'e_2' ) ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_1' ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.69/1.10  , clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 668, [ equalish( 'e_3', 'e_4' ), ~( product( 'e_3', 'e_4', 
% 0.69/1.10    'e_2' ) ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2' )
% 0.69/1.10     ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 233, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.10     ), ~( product( 'e_3', 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , clause( 669, [ ~( product( 'e_3', 'e_4', 'e_2' ) ), product( 'e_4', 'e_2'
% 0.69/1.10    , 'e_1' ), product( 'e_4', 'e_2', 'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.69/1.10    , 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 670, [ equalish( 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 80, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_3', 'e_3' ), product( 'e_4', 'e_3', 'e_4' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 671, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 670, [ equalish( 'e_3', 'e_4' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 259, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , clause( 671, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 672, [ equalish( 'e_4', 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_2' ) ] )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 259, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_3', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 673, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.69/1.10  , 0, clause( 672, [ equalish( 'e_4', 'e_3' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 268, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 673, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 674, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 204, [ product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ) ) ] )
% 0.69/1.10  , 1, clause( 268, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_2' ) ] )
% 0.69/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 269, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 674, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 675, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , clause( 155, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_2' ), ~( product( 'e_2', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , 2, clause( 269, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 279, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , clause( 675, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.69/1.10    'e_2' ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.69/1.10    , 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 679, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ), 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 269, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_4' ), :=( Z, 'e_1' ), :=( T, 
% 0.69/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 287, [ equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 0.69/1.10    product( X, 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 679, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ), 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.10    2 ), ==>( 2, 1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 680, [ equalish( 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_1' ), 
% 0.69/1.10    product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 279, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 681, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 14, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.69/1.10  , 0, clause( 680, [ equalish( 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_1'
% 0.69/1.10     ), product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 306, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 681, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 682, [ product( 'e_1', 'e_4', 'e_2' ), product( 'e_4', 'e_1', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 109, [ product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ) ] )
% 0.69/1.10  , 1, clause( 306, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 307, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 682, [ product( 'e_1', 'e_4', 'e_2' ), product( 'e_4', 'e_1', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 686, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_2', 'e_1' )
% 0.69/1.10     ), product( 'e_4', 'e_1', 'e_1' ) ] )
% 0.69/1.10  , clause( 39, [ equalish( X, Y ), ~( product( X, Z, Y ) ), ~( product( Y, X
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 307, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 0.69/1.10    'e_2' ) ] )
% 0.69/1.10  , 1, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_1' ), :=( Z, 'e_2' )] ), 
% 0.69/1.10    substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 688, [ equalish( 'e_4', 'e_1' ), equalish( 'e_4', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_4', 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 686, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_2', 
% 0.69/1.10    'e_1' ) ), product( 'e_4', 'e_1', 'e_1' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_1' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  factor(
% 0.69/1.10  clause( 689, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_2', 'e_1' )
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 688, [ equalish( 'e_4', 'e_1' ), equalish( 'e_4', 'e_1' ), ~( 
% 0.69/1.10    product( 'e_4', 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , 0, 1, substitution( 0, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 318, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_2', 'e_1' )
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 689, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_2', 'e_1'
% 0.69/1.10     ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 690, [ ~( product( 'e_4', 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , 0, clause( 318, [ equalish( 'e_4', 'e_1' ), ~( product( 'e_4', 'e_2', 
% 0.69/1.10    'e_1' ) ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 328, [ ~( product( 'e_4', 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , clause( 690, [ ~( product( 'e_4', 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 691, [ equalish( 'e_3', 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.69/1.10    product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 93, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_3', 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_4' ) ]
% 0.69/1.10     )
% 0.69/1.10  , 3, substitution( 0, [ :=( X, 'e_3' ), :=( Y, 'e_4' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 692, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 691, [ equalish( 'e_3', 'e_4' ), product( 'e_3', 'e_4', 'e_1'
% 0.69/1.10     ), product( 'e_3', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 360, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.10     ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , clause( 692, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.69/1.10    , 2 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 693, [ equalish( 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.69/1.10    product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , clause( 57, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.69/1.10  , 1, clause( 360, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.69/1.10    'e_2' ), product( 'e_3', 'e_4', 'e_3' ) ] )
% 0.69/1.10  , 2, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 694, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.69/1.10  , 0, clause( 693, [ equalish( 'e_4', 'e_3' ), product( 'e_3', 'e_4', 'e_1'
% 0.69/1.10     ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 370, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 694, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.69/1.10    'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 695, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.10     ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , clause( 233, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_2' ), ~( product( 'e_3', 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , 2, clause( 370, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 0.69/1.10    'e_2' ) ] )
% 0.69/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 696, [ product( 'e_4', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 328, [ ~( product( 'e_4', 'e_2', 'e_1' ) ) ] )
% 0.69/1.10  , 0, clause( 695, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_2' ), product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 373, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 696, [ product( 'e_4', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 
% 0.69/1.10    'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 697, [ equalish( 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_1' ) ]
% 0.69/1.10     )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 373, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_2', 
% 0.69/1.10    'e_2' ) ] )
% 0.69/1.10  , 1, substitution( 0, [ :=( X, 'e_4' ), :=( Y, 'e_2' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 698, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.69/1.10  , 0, clause( 697, [ equalish( 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 411, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , clause( 698, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 699, [ equalish( 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_1' ) ]
% 0.69/1.10     )
% 0.69/1.10  , clause( 287, [ equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 0.69/1.10    product( X, 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , 2, clause( 411, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 700, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , clause( 21, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.69/1.10  , 0, clause( 699, [ equalish( 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_1'
% 0.69/1.10     ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 412, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , clause( 700, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 701, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 90, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 
% 0.69/1.10    'e_3' ), ~( product( 'e_3', 'e_4', 'e_1' ) ) ] )
% 0.69/1.10  , 2, clause( 411, [ product( 'e_3', 'e_4', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 414, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3'
% 0.69/1.10     ) ] )
% 0.69/1.10  , clause( 701, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 
% 0.69/1.10    'e_3' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.69/1.10     ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 702, [ product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , clause( 109, [ product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_4', 'e_3', 
% 0.69/1.10    'e_1' ) ) ] )
% 0.69/1.10  , 1, clause( 412, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 423, [ product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , clause( 702, [ product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 704, [ equalish( X, 'e_4' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.10  , clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.69/1.10    , Z ) ) ] )
% 0.69/1.10  , 2, clause( 423, [ product( 'e_1', 'e_4', 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.69/1.10    'e_4' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 436, [ equalish( X, 'e_4' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.10  , clause( 704, [ equalish( X, 'e_4' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.69/1.10    1 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 705, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.69/1.10     )
% 0.69/1.10  , clause( 58, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.69/1.10  , 1, clause( 414, [ product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 
% 0.69/1.10    'e_3' ) ] )
% 0.69/1.10  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, 'e_3' )] ), substitution( 1
% 0.69/1.10    , [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 706, [ product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.10  , clause( 15, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.69/1.10  , 0, clause( 705, [ equalish( 'e_1', 'e_3' ), product( 'e_1', 'e_3', 'e_2'
% 0.69/1.10     ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 445, [ product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.10  , clause( 706, [ product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 707, [ equalish( 'e_3', 'e_4' ) ] )
% 0.69/1.10  , clause( 436, [ equalish( X, 'e_4' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.69/1.10  , 1, clause( 445, [ product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.69/1.10  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  resolution(
% 0.69/1.10  clause( 708, [] )
% 0.69/1.10  , clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.69/1.10  , 0, clause( 707, [ equalish( 'e_3', 'e_4' ) ] )
% 0.69/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  subsumption(
% 0.69/1.10  clause( 446, [] )
% 0.69/1.10  , clause( 708, [] )
% 0.69/1.10  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  end.
% 0.69/1.10  
% 0.69/1.10  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.69/1.10  
% 0.69/1.10  Memory use:
% 0.69/1.10  
% 0.69/1.10  space for terms:        8176
% 0.69/1.10  space for clauses:      19918
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  clauses generated:      937
% 0.69/1.10  clauses kept:           447
% 0.69/1.10  clauses selected:       170
% 0.69/1.10  clauses deleted:        35
% 0.69/1.10  clauses inuse deleted:  0
% 0.69/1.10  
% 0.69/1.10  subsentry:          6790
% 0.69/1.10  literals s-matched: 5126
% 0.69/1.10  literals matched:   4956
% 0.69/1.10  full subsumption:   3624
% 0.69/1.10  
% 0.69/1.10  checksum:           -1177095690
% 0.69/1.10  
% 0.69/1.10  
% 0.69/1.10  Bliksem ended
%------------------------------------------------------------------------------