TSTP Solution File: GRP129-1.003 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP129-1.003 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n027.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 07:35:20 EDT 2022

% Result   : Unsatisfiable 0.72s 1.09s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP129-1.003 : TPTP v8.1.0. Released v1.2.0.
% 0.12/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n027.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % DateTime : Tue Jun 14 07:42:33 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.72/1.09  *** allocated 10000 integers for termspace/termends
% 0.72/1.09  *** allocated 10000 integers for clauses
% 0.72/1.09  *** allocated 10000 integers for justifications
% 0.72/1.09  Bliksem 1.12
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  Automatic Strategy Selection
% 0.72/1.09  
% 0.72/1.09  Clauses:
% 0.72/1.09  [
% 0.72/1.09     [ 'group_element'( 'e_1' ) ],
% 0.72/1.09     [ 'group_element'( 'e_2' ) ],
% 0.72/1.09     [ 'group_element'( 'e_3' ) ],
% 0.72/1.09     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.72/1.09     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.72/1.09     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.72/1.09     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.72/1.09     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.72/1.09     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.72/1.09     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.72/1.09    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ],
% 0.72/1.09     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.72/1.09    ,
% 0.72/1.09     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.72/1.09    ,
% 0.72/1.09     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.72/1.09    ,
% 0.72/1.09     [ ~( product( X, Y, Z ) ), ~( product( Y, Z, T ) ), product( Z, X, T ) ]
% 0.72/1.09    
% 0.72/1.09  ] .
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  percentage equality = 0.000000, percentage horn = 0.928571
% 0.72/1.09  This is a near-Horn, non-equality  problem
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  Options Used:
% 0.72/1.09  
% 0.72/1.09  useres =            1
% 0.72/1.09  useparamod =        0
% 0.72/1.09  useeqrefl =         0
% 0.72/1.09  useeqfact =         0
% 0.72/1.09  usefactor =         1
% 0.72/1.09  usesimpsplitting =  0
% 0.72/1.09  usesimpdemod =      0
% 0.72/1.09  usesimpres =        4
% 0.72/1.09  
% 0.72/1.09  resimpinuse      =  1000
% 0.72/1.09  resimpclauses =     20000
% 0.72/1.09  substype =          standard
% 0.72/1.09  backwardsubs =      1
% 0.72/1.09  selectoldest =      5
% 0.72/1.09  
% 0.72/1.09  litorderings [0] =  split
% 0.72/1.09  litorderings [1] =  liftord
% 0.72/1.09  
% 0.72/1.09  termordering =      none
% 0.72/1.09  
% 0.72/1.09  litapriori =        1
% 0.72/1.09  termapriori =       0
% 0.72/1.09  litaposteriori =    0
% 0.72/1.09  termaposteriori =   0
% 0.72/1.09  demodaposteriori =  0
% 0.72/1.09  ordereqreflfact =   0
% 0.72/1.09  
% 0.72/1.09  litselect =         negative
% 0.72/1.09  
% 0.72/1.09  maxweight =         30000
% 0.72/1.09  maxdepth =          30000
% 0.72/1.09  maxlength =         115
% 0.72/1.09  maxnrvars =         195
% 0.72/1.09  excuselevel =       0
% 0.72/1.09  increasemaxweight = 0
% 0.72/1.09  
% 0.72/1.09  maxselected =       10000000
% 0.72/1.09  maxnrclauses =      10000000
% 0.72/1.09  
% 0.72/1.09  showgenerated =    0
% 0.72/1.09  showkept =         0
% 0.72/1.09  showselected =     0
% 0.72/1.09  showdeleted =      0
% 0.72/1.09  showresimp =       1
% 0.72/1.09  showstatus =       2000
% 0.72/1.09  
% 0.72/1.09  prologoutput =     1
% 0.72/1.09  nrgoals =          5000000
% 0.72/1.09  totalproof =       1
% 0.72/1.09  
% 0.72/1.09  Symbols occurring in the translation:
% 0.72/1.09  
% 0.72/1.09  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.09  .  [1, 2]      (w:1, o:24, a:1, s:1, b:0), 
% 0.72/1.09  !  [4, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 0.72/1.09  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.09  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.09  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.72/1.09  'group_element'  [40, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 0.72/1.09  'e_2'  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.72/1.09  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.72/1.09  equalish  [43, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.72/1.09  product  [46, 3]      (w:1, o:50, a:1, s:1, b:0).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  Starting Search:
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  Bliksems!, er is een bewijs:
% 0.72/1.09  % SZS status Unsatisfiable
% 0.72/1.09  % SZS output start Refutation
% 0.72/1.09  
% 0.72/1.09  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.72/1.09    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.72/1.09    T ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.72/1.09    Z ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.72/1.09    Z ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y, Z
% 0.72/1.09    , T ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.72/1.09    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 18, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.09    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 19, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.72/1.09    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 20, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.09    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 21, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 22, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 23, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 24, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 26, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 27, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_1', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 32, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 42, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_2', X, 'e_3' ), ~( product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 44, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.72/1.09    'e_2', 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 48, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 49, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 57, [ product( 'e_1', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.72/1.09    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 60, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 61, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 72, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' ), 
% 0.72/1.09    product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 74, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 77, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_2', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 79, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.72/1.09    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 80, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_2', X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 83, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 86, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 87, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 88, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 90, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_3', 'e_1', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 91, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 92, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 94, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 96, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 98, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 100, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 101, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 103, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 106, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 107, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 118, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', X, 'e_2' ), ~( 
% 0.72/1.09    product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 122, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', 'e_2' ) ) ]
% 0.72/1.09     )
% 0.72/1.09  .
% 0.72/1.09  clause( 126, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 0.72/1.09    'e_3', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 141, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 148, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 151, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 152, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 183, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 184, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', X, 'e_2' ), ~( 
% 0.72/1.09    product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 188, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 189, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 192, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 195, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 198, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 199, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 200, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 223, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 225, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 227, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', X, 'e_2' ), ~( 
% 0.72/1.09    product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 231, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_3', 'e_1' ) ) ]
% 0.72/1.09     )
% 0.72/1.09  .
% 0.72/1.09  clause( 233, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', X, 'e_1' ), 
% 0.72/1.09    ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 235, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.72/1.09    product( 'e_3', X, 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 251, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 253, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 254, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 260, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 261, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', X, 'e_1' ), 
% 0.72/1.09    ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 263, [ equalish( X, 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.72/1.09    product( 'e_2', X, 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 281, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 285, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_2', 'e_2', 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 288, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 290, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 293, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 295, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 297, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 300, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 305, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 306, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 307, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', X, 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 308, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 309, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 316, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 319, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 321, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 323, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 325, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_2', X, 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 327, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 328, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 329, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), ~( product( 'e_1', 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 330, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 333, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 343, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 344, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 348, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 350, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 358, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 362, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 376, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.09     ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 379, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', X, 'e_2' ), 
% 0.72/1.09    ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 381, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.72/1.09    product( 'e_1', X, 'e_2' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 385, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.72/1.09     ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 386, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) )
% 0.72/1.09     ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 389, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 390, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 393, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 394, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 399, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 405, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 407, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 414, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 415, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 417, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 437, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.09    product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 445, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 446, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 454, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 466, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.09    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 473, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.72/1.09     ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 475, [ product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.09  .
% 0.72/1.09  clause( 478, [] )
% 0.72/1.09  .
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  % SZS output end Refutation
% 0.72/1.09  found a proof!
% 0.72/1.09  
% 0.72/1.09  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.09  
% 0.72/1.09  initialclauses(
% 0.72/1.09  [ clause( 480, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  , clause( 481, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  , clause( 482, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  , clause( 483, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.09  , clause( 484, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 485, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.09  , clause( 486, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 487, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  , clause( 488, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  , clause( 489, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.72/1.09    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.72/1.09     )
% 0.72/1.09  , clause( 490, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.72/1.09    Z, T ) ] )
% 0.72/1.09  , clause( 491, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.72/1.09    Y, T ) ] )
% 0.72/1.09  , clause( 492, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.72/1.09    X, T ) ] )
% 0.72/1.09  , clause( 493, [ ~( product( X, Y, Z ) ), ~( product( Y, Z, T ) ), product( 
% 0.72/1.09    Z, X, T ) ] )
% 0.72/1.09  ] ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  , clause( 480, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  , clause( 481, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  , clause( 482, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.09  , clause( 483, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 484, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.09  , clause( 485, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 486, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  , clause( 487, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  , clause( 488, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( X
% 0.72/1.09    , Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.72/1.09  , clause( 489, [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), 
% 0.72/1.09    product( X, Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.09     ), ==>( 1, 4 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.72/1.09    T ) ) ] )
% 0.72/1.09  , clause( 490, [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( 
% 0.72/1.09    Z, T ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.09    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.72/1.09    Z ) ) ] )
% 0.72/1.09  , clause( 491, [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( 
% 0.72/1.09    Y, T ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.09    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.72/1.09    Z ) ) ] )
% 0.72/1.09  , clause( 492, [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( 
% 0.72/1.09    X, T ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.09    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y, Z
% 0.72/1.09    , T ) ) ] )
% 0.72/1.09  , clause( 493, [ ~( product( X, Y, Z ) ), ~( product( Y, Z, T ) ), product( 
% 0.72/1.09    Z, X, T ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.09    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  factor(
% 0.72/1.09  clause( 509, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.72/1.09    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.72/1.09  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.72/1.09    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.72/1.09  , 0, 4, substitution( 0, [ :=( X, X ), :=( Y, X )] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X, X
% 0.72/1.09    , 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , clause( 509, [ ~( 'group_element'( X ) ), product( X, X, 'e_3' ), product( 
% 0.72/1.09    X, X, 'e_1' ), product( X, X, 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 511, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.72/1.09    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.72/1.09    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.72/1.09  , 4, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 18, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.09    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , clause( 511, [ ~( 'group_element'( X ) ), product( X, 'e_1', 'e_3' ), 
% 0.72/1.09    product( X, 'e_1', 'e_1' ), product( X, 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 513, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.72/1.09    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.72/1.09    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.72/1.09  , 4, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 19, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.72/1.09    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , clause( 513, [ ~( 'group_element'( X ) ), product( X, 'e_2', 'e_3' ), 
% 0.72/1.09    product( X, 'e_2', 'e_1' ), product( X, 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 515, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.72/1.09    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 9, [ ~( 'group_element'( X ) ), product( X, Y, 'e_3' ), product( 
% 0.72/1.09    X, Y, 'e_1' ), product( X, Y, 'e_2' ), ~( 'group_element'( Y ) ) ] )
% 0.72/1.09  , 4, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 20, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.09    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , clause( 515, [ ~( 'group_element'( X ) ), product( X, 'e_3', 'e_3' ), 
% 0.72/1.09    product( X, 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 516, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 18, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.09    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 21, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , clause( 516, [ product( 'e_1', 'e_1', 'e_3' ), product( 'e_1', 'e_1', 
% 0.72/1.09    'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 517, [ product( 'e_2', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 18, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.09    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 22, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , clause( 517, [ product( 'e_2', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 
% 0.72/1.09    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 518, [ product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 18, [ product( X, 'e_1', 'e_3' ), product( X, 'e_1', 'e_1' ), 
% 0.72/1.09    product( X, 'e_1', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 23, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , clause( 518, [ product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 
% 0.72/1.09    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 524, [ ~( product( X, 'e_1', 'e_1' ) ), product( 'e_1', X, 'e_3' )
% 0.72/1.09    , product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.09    , Z, T ) ) ] )
% 0.72/1.09  , 2, clause( 21, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 24, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.09  , clause( 524, [ ~( product( X, 'e_1', 'e_1' ) ), product( 'e_1', X, 'e_3'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    1 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 532, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 21, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 26, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.72/1.09  , clause( 532, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 538, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 21, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 27, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_1', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 538, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 539, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X
% 0.72/1.09    , X, 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , clause( 539, [ product( 'e_2', 'e_2', 'e_3' ), product( 'e_2', 'e_2', 
% 0.72/1.09    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 540, [ product( 'e_3', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 14, [ product( X, X, 'e_3' ), product( X, X, 'e_1' ), product( X
% 0.72/1.09    , X, 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 32, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , clause( 540, [ product( 'e_3', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 
% 0.72/1.09    'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 546, [ ~( product( X, 'e_2', 'e_2' ) ), product( 'e_2', X, 'e_3' )
% 0.72/1.09    , product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.09    , Z, T ) ) ] )
% 0.72/1.09  , 2, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 42, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_2', X, 'e_3' ), ~( product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.09  , clause( 546, [ ~( product( X, 'e_2', 'e_2' ) ), product( 'e_2', X, 'e_3'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 554, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 44, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.72/1.09    'e_2', 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.09  , clause( 554, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 555, [ product( 'e_1', 'e_2', 'e_3' ), product( 'e_1', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 19, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.72/1.09    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 48, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , clause( 555, [ product( 'e_1', 'e_2', 'e_3' ), product( 'e_1', 'e_2', 
% 0.72/1.09    'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 556, [ product( 'e_3', 'e_2', 'e_3' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 19, [ product( X, 'e_2', 'e_3' ), product( X, 'e_2', 'e_1' ), 
% 0.72/1.09    product( X, 'e_2', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 2, [ 'group_element'( 'e_3' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 49, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , clause( 556, [ product( 'e_3', 'e_2', 'e_3' ), product( 'e_3', 'e_2', 
% 0.72/1.09    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 562, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 48, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 57, [ product( 'e_1', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.72/1.09    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.72/1.09  , clause( 562, [ equalish( X, 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 563, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 20, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.09    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 0, [ 'group_element'( 'e_1' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 60, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , clause( 563, [ product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 
% 0.72/1.09    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 564, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 20, [ product( X, 'e_3', 'e_3' ), product( X, 'e_3', 'e_1' ), 
% 0.72/1.09    product( X, 'e_3', 'e_2' ), ~( 'group_element'( X ) ) ] )
% 0.72/1.09  , 3, clause( 1, [ 'group_element'( 'e_2' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 61, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , clause( 564, [ product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 
% 0.72/1.09    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.09    , 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 570, [ ~( product( X, 'e_2', 'e_1' ) ), product( 'e_1', X, 'e_3' )
% 0.72/1.09    , product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.09    , Z, T ) ) ] )
% 0.72/1.09  , 2, clause( 22, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 72, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' ), 
% 0.72/1.09    product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.72/1.09  , clause( 570, [ ~( product( X, 'e_2', 'e_1' ) ), product( 'e_1', X, 'e_3'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    1 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 576, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 22, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 74, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.09  , clause( 576, [ equalish( X, 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 582, [ equalish( X, 'e_3' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.72/1.09    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.72/1.09    , T ) ) ] )
% 0.72/1.09  , 2, clause( 61, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 77, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_2', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.72/1.09  , clause( 582, [ equalish( X, 'e_3' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.72/1.09    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 588, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.72/1.09    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 61, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 79, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.72/1.09    'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 588, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.72/1.09    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 594, [ ~( product( X, 'e_3', 'e_2' ) ), product( 'e_2', X, 'e_3' )
% 0.72/1.09    , product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.09    , Z, T ) ) ] )
% 0.72/1.09  , 2, clause( 49, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 80, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_2', X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.09  , clause( 594, [ ~( product( X, 'e_3', 'e_2' ) ), product( 'e_2', X, 'e_3'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 600, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 49, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 83, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 600, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 606, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 32, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 86, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.72/1.09  , clause( 606, [ equalish( X, 'e_3' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 612, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 32, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 87, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 612, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 618, [ ~( product( X, 'e_3', 'e_1' ) ), product( 'e_1', X, 'e_3' )
% 0.72/1.09    , product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.09    , Z, T ) ) ] )
% 0.72/1.09  , 2, clause( 23, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 88, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  , clause( 618, [ ~( product( X, 'e_3', 'e_1' ) ), product( 'e_1', X, 'e_3'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.09    1 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 624, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 23, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 90, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.72/1.09    'e_3', 'e_1', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.72/1.09  , clause( 624, [ equalish( X, 'e_1' ), ~( product( 'e_3', X, 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 630, [ equalish( X, 'e_3' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.09    , Z ) ) ] )
% 0.72/1.09  , 2, clause( 23, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.09    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 91, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.72/1.09    'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , clause( 630, [ equalish( X, 'e_3' ), ~( product( X, 'e_1', 'e_3' ) ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 631, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.72/1.09    'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 26, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 60, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 632, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  , 0, clause( 631, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.72/1.09    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 92, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 632, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.09    , 1 ), ==>( 3, 3 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 633, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.09    'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 27, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.09    product( 'e_1', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 23, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 634, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  , 0, clause( 633, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 94, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 634, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.09    , 1 ), ==>( 3, 3 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 635, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), product( 
% 0.72/1.09    'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 90, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 32, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 636, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.09  , 0, clause( 635, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 96, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 636, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.09    , 1 ), ==>( 3, 3 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 637, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.09    'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 91, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 22, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 638, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , 0, clause( 637, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.09     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.09    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 98, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.09  , clause( 638, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.09    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 639, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.72/1.09    'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 86, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 49, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 640, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , 0, clause( 639, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 640, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.09    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 641, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 
% 0.72/1.09    'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 87, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 61, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 642, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , 0, clause( 641, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.09    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 100, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 642, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.09    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 643, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.72/1.09    'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 87, [ product( 'e_3', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 60, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 644, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_2'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.09  , 0, clause( 643, [ product( 'e_3', 'e_3', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.72/1.09     ), product( 'e_3', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.72/1.09    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 101, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.09     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ] )
% 0.72/1.09  , clause( 644, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.09    'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.72/1.09     )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.09    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 645, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.09    'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 83, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.09    product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , 3, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.09    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.09  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 646, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.09  , 0, clause( 645, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.09     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.09    product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.09  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 103, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.09     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 646, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 647, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 79, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , 3, clause( 60, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 648, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 647, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 106, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 648, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.10    , 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 649, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 74, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.10  , 3, clause( 31, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 650, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.10  , 0, clause( 649, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 107, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 650, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 1 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 658, [ ~( product( X, 'e_2', 'e_2' ) ), product( 'e_2', X, 'e_2' )
% 0.72/1.10    , product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 107, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 118, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', X, 'e_2' ), ~( 
% 0.72/1.10    product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 658, [ ~( product( X, 'e_2', 'e_2' ) ), product( 'e_2', X, 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 1 ), ==>( 4, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 664, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', 'e_2' ) ) ]
% 0.72/1.10     )
% 0.72/1.10  , clause( 118, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', X, 'e_2' ), ~( 
% 0.72/1.10    product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.10  , 2, 3, substitution( 0, [ :=( X, 'e_1' )] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 122, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', 'e_2' ) ) ]
% 0.72/1.10     )
% 0.72/1.10  , clause( 664, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', 'e_2'
% 0.72/1.10     ) ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 672, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 106, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 126, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 0.72/1.10    'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 672, [ equalish( X, 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.10    4 ), ==>( 2, 1 ), ==>( 3, 0 ), ==>( 4, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 674, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 42, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', X, 'e_3' ), ~( product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 103, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 675, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 674, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 0, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 676, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 675, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 1, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 141, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , clause( 676, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_2', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 3 ), ==>( 3, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 678, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 44, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.72/1.10  , 3, clause( 141, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 679, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 678, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 680, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 679, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 2, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 681, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 680, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 148, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 681, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 687, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 148, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 151, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.72/1.10  , clause( 687, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 693, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_2' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 148, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 152, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 693, [ equalish( X, 'e_2' ), ~( product( X, 'e_2', 'e_2' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 694, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 80, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 695, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 694, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 0, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 696, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 695, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 1, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 183, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , clause( 696, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_3', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 3 ), ==>( 3, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 704, [ ~( product( X, 'e_3', 'e_3' ) ), product( 'e_3', X, 'e_2' )
% 0.72/1.10    , product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 99, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 184, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', X, 'e_2' ), ~( 
% 0.72/1.10    product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 704, [ ~( product( X, 'e_3', 'e_3' ) ), product( 'e_3', X, 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 1 ), ==>( 3, 0 ), ==>( 4, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 707, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ]
% 0.72/1.10     )
% 0.72/1.10  , clause( 184, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', X, 'e_2' ), ~( 
% 0.72/1.10    product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , 2, 3, substitution( 0, [ :=( X, 'e_2' )] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 708, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 707, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_2', 'e_3', 'e_3'
% 0.72/1.10     ) ) ] )
% 0.72/1.10  , 3, clause( 183, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 709, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 708, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 710, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 709, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 711, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 710, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 2, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 188, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 711, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 712, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 152, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_2', 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 188, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 714, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 712, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 715, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 714, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 1, 2, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 189, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 715, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 721, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 188, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 192, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.10  , clause( 721, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 727, [ ~( product( X, 'e_3', 'e_3' ) ), product( 'e_3', X, 'e_1' )
% 0.72/1.10    , product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 189, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 195, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 727, [ ~( product( X, 'e_3', 'e_3' ) ), product( 'e_3', X, 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.10    2 ), ==>( 2, 1 ), ==>( 3, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 735, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 189, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 198, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , clause( 735, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 2 ), ==>( 3, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 736, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 195, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , 1, 2, substitution( 0, [ :=( X, 'e_2' )] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 199, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 736, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 737, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 199, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , 2, clause( 61, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 200, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 737, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 738, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 151, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 200, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 739, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 738, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 740, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 739, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 741, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 740, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 223, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 741, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 742, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 198, [ product( 'e_2', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 223, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 743, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 742, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 744, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 743, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 745, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , 0, clause( 744, [ product( 'e_2', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 225, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 745, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.10     ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 753, [ ~( product( X, 'e_3', 'e_1' ) ), product( 'e_1', X, 'e_2' )
% 0.72/1.10    , product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 94, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 227, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', X, 'e_2' ), ~( 
% 0.72/1.10    product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , clause( 753, [ ~( product( X, 'e_3', 'e_1' ) ), product( 'e_1', X, 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 4 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 1 ), ==>( 4, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 757, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_3', 'e_1' ) ) ]
% 0.72/1.10     )
% 0.72/1.10  , clause( 227, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', X, 'e_2' ), ~( 
% 0.72/1.10    product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 2, 3, substitution( 0, [ :=( X, 'e_1' )] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 231, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_3', 'e_1' ) ) ]
% 0.72/1.10     )
% 0.72/1.10  , clause( 757, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_3', 'e_1'
% 0.72/1.10     ) ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 761, [ ~( product( X, 'e_3', 'e_2' ) ), product( 'e_2', X, 'e_1' )
% 0.72/1.10    , product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 225, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 233, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', X, 'e_1' ), 
% 0.72/1.10    ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 761, [ ~( product( X, 'e_3', 'e_2' ) ), product( 'e_2', X, 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.10    1 ), ==>( 2, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 766, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 225, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 235, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.72/1.10    product( 'e_3', X, 'e_1' ) ) ] )
% 0.72/1.10  , clause( 766, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.10    2 ), ==>( 2, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 768, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 233, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', X, 'e_1' )
% 0.72/1.10    , ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 2, clause( 100, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 771, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 233, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', X, 'e_1' )
% 0.72/1.10    , ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 2, clause( 768, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 4, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 772, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 771, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, 1, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 773, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 772, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, 1, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 774, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 773, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 251, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 774, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 775, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 235, [ equalish( X, 'e_2' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.72/1.10    product( 'e_3', X, 'e_1' ) ) ] )
% 0.72/1.10  , 2, clause( 251, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 777, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 775, [ equalish( 'e_3', 'e_2' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 778, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 777, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, 1, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 253, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 778, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.10     ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 780, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 192, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 96, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 783, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 780, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 784, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 783, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 254, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 784, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 0 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 785, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 88, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' )
% 0.72/1.10    , product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 253, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 260, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 0.72/1.10  , clause( 785, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.72/1.10    'e_3' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_2', 'e_2', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 789, [ ~( product( X, 'e_2', 'e_3' ) ), product( 'e_3', X, 'e_1' )
% 0.72/1.10    , product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 253, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 261, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', X, 'e_1' ), 
% 0.72/1.10    ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 789, [ ~( product( X, 'e_2', 'e_3' ) ), product( 'e_3', X, 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.10    1 ), ==>( 2, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 794, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 253, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 263, [ equalish( X, 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.72/1.10    product( 'e_2', X, 'e_1' ) ) ] )
% 0.72/1.10  , clause( 794, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.10    2 ), ==>( 2, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 795, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 261, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', X, 'e_1' )
% 0.72/1.10    , ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , 2, clause( 260, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 796, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 795, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 797, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 796, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 1, 2, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 281, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 797, [ product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 803, [ equalish( X, 'e_3' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 281, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 285, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 803, [ equalish( X, 'e_3' ), ~( product( X, 'e_1', 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 804, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 192, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 254, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 805, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 804, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 0, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 806, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 805, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 807, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 806, [ product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 288, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 807, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 813, [ ~( product( X, 'e_3', 'e_3' ) ), product( 'e_3', X, 'e_1' )
% 0.72/1.10    , product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 288, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 290, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 813, [ ~( product( X, 'e_3', 'e_3' ) ), product( 'e_3', X, 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.10    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 821, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 288, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 293, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , clause( 821, [ equalish( X, 'e_3' ), ~( product( X, 'e_3', 'e_1' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 823, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 290, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', X, 'e_1' ), ~( product( X, 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , 1, 2, substitution( 0, [ :=( X, 'e_2' )] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 295, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 823, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 824, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 295, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), ~( product( 'e_2', 'e_3', 'e_3' ) ) ] )
% 0.72/1.10  , 2, clause( 61, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 297, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 824, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 826, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 77, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.72/1.10  , 3, clause( 297, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 827, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 826, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 834, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , clause( 293, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 827, [ product( 'e_2', 'e_3', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 835, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 834, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 0, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 837, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 835, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 838, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 837, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 300, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 838, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 839, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , 0, clause( 300, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 305, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 839, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 840, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 80, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', X, 'e_3' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 305, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 841, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 840, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 0, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 306, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ] )
% 0.72/1.10  , clause( 841, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_2' ), product( 'e_2', 'e_2', 'e_3' ), product( 'e_3', 'e_1', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 3 ), ==>( 3, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 847, [ ~( product( X, 'e_2', 'e_3' ) ), product( 'e_3', X, 'e_2' )
% 0.72/1.10    , product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 305, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_3' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 307, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', X, 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , clause( 847, [ ~( product( X, 'e_2', 'e_3' ) ), product( 'e_3', X, 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.10    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 853, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 10, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y
% 0.72/1.10    , T ) ) ] )
% 0.72/1.10  , 2, clause( 305, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, 'e_3' ), :=( Z, X ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 308, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.72/1.10  , clause( 853, [ equalish( X, 'e_2' ), ~( product( 'e_2', 'e_3', X ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 859, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 305, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 309, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.72/1.10  , clause( 859, [ equalish( X, 'e_3' ), ~( product( 'e_2', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 860, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 307, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', X, 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , 3, clause( 306, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_2', 'e_3' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 861, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 860, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 862, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 861, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 863, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 862, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 2, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 316, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 863, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 869, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 316, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 319, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.10  , clause( 869, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 870, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 319, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 98, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 872, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 870, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 873, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 872, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 0, 2, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 321, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 873, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 1 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 874, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 309, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', X, 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 321, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 875, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 874, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 876, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 875, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 877, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.10  , 0, clause( 876, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 323, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 877, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 883, [ ~( product( X, 'e_3', 'e_2' ) ), product( 'e_2', X, 'e_1' )
% 0.72/1.10    , product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 323, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_3' ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 325, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_2', X, 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 883, [ ~( product( X, 'e_3', 'e_2' ) ), product( 'e_2', X, 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 
% 0.72/1.10    2 ), ==>( 2, 0 ), ==>( 3, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 890, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 323, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 327, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.72/1.10  , clause( 890, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 896, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 323, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, X ), :=( Y, 'e_2' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 328, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.72/1.10  , clause( 896, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 897, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), ~( product( 'e_1', 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 325, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', X, 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, 2, substitution( 0, [ :=( X, 'e_1' )] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 329, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), ~( product( 'e_1', 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , clause( 897, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), ~( product( 'e_1', 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 898, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 329, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), ~( product( 'e_1', 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 2, clause( 92, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 899, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 231, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_3', 'e_1'
% 0.72/1.10     ) ) ] )
% 0.72/1.10  , 3, clause( 898, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 3, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 900, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 899, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 0, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 901, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 900, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 1, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 902, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 901, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 2, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 330, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 902, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 3 ), ==>( 3, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 903, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 285, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 330, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 906, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_2', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , clause( 263, [ equalish( X, 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), ~( 
% 0.72/1.10    product( 'e_2', X, 'e_1' ) ) ] )
% 0.72/1.10  , 2, clause( 903, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 909, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.72/1.10    , 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 906, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_2'
% 0.72/1.10    , 'e_2', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 911, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.72/1.10    , 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 909, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.72/1.10    , 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 2, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 912, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 911, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), product( 'e_1'
% 0.72/1.10    , 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 333, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 912, [ equalish( 'e_1', 'e_3' ), product( 'e_2', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 3 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 913, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 4, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.72/1.10  , 0, clause( 333, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_3'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 343, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 913, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 914, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 328, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 343, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 916, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , 0, clause( 914, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 917, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 916, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 344, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 917, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 923, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 343, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 348, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.72/1.10  , clause( 923, [ equalish( X, 'e_2' ), ~( product( 'e_2', X, 'e_1' ) ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    3 ), ==>( 2, 0 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 924, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 327, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 344, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 925, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 924, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 931, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), product( 'e_3'
% 0.72/1.10    , 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 348, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 925, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 932, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), product( 'e_3'
% 0.72/1.10    , 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 931, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), product( 'e_3'
% 0.72/1.10    , 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 934, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 932, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), product( 'e_3'
% 0.72/1.10    , 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 2, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 935, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 934, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 350, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 935, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 936, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 350, [ equalish( 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 358, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 936, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.10     ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 938, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_3'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 24, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' )
% 0.72/1.10    , product( 'e_1', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 358, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 939, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_3'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 938, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_3' ), product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 362, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , clause( 939, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_3' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 940, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 26, [ product( 'e_1', 'e_1', 'e_1' ), equalish( X, 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.72/1.10  , 3, clause( 362, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.10    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 941, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 940, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 942, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 941, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_2' ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 2, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 943, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 0, clause( 942, [ product( 'e_1', 'e_1', 'e_1' ), equalish( 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 376, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_2'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 943, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.10    'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.10     ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 947, [ ~( product( X, 'e_1', 'e_1' ) ), product( 'e_1', X, 'e_2' )
% 0.72/1.10    , product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 376, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.10    'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 379, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', X, 'e_2' ), 
% 0.72/1.10    ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.10  , clause( 947, [ ~( product( X, 'e_1', 'e_1' ) ), product( 'e_1', X, 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.10    1 ), ==>( 2, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 952, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 376, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.10    'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_2' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 381, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.72/1.10    product( 'e_1', X, 'e_2' ) ) ] )
% 0.72/1.10  , clause( 952, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.10    2 ), ==>( 2, 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 954, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 379, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', X, 'e_2' )
% 0.72/1.10    , ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.10  , 2, clause( 358, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 955, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 954, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_2' ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, 2, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 385, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 955, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.10     ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 956, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 381, [ equalish( X, 'e_1' ), product( 'e_1', 'e_1', 'e_1' ), ~( 
% 0.72/1.10    product( 'e_1', X, 'e_2' ) ) ] )
% 0.72/1.10  , 2, clause( 385, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 958, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 0, clause( 956, [ equalish( 'e_3', 'e_1' ), product( 'e_1', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 959, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 958, [ product( 'e_1', 'e_1', 'e_1' ), product( 'e_1', 'e_1', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 0, 1, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 386, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 959, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 961, [ ~( product( X, 'e_1', 'e_1' ) ), product( 'e_1', X, 'e_1' )
% 0.72/1.10     ] )
% 0.72/1.10  , clause( 13, [ ~( product( X, Y, Z ) ), product( Z, X, T ), ~( product( Y
% 0.72/1.10    , Z, T ) ) ] )
% 0.72/1.10  , 2, clause( 386, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) )
% 0.72/1.10     ] )
% 0.72/1.10  , clause( 961, [ ~( product( X, 'e_1', 'e_1' ) ), product( 'e_1', X, 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.10    0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 963, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.72/1.10  , clause( 11, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 386, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, 'e_1' ), :=( Y, X ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 389, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.72/1.10  , clause( 963, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.10    1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 965, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.10  , clause( 12, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y
% 0.72/1.10    , Z ) ) ] )
% 0.72/1.10  , 2, clause( 386, [ product( 'e_1', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'e_1' ), :=( Z, 'e_1' ), :=( T, 
% 0.72/1.10    'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 390, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.10  , clause( 965, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.10  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.10    1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 967, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 
% 0.72/1.10    'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 126, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 0.72/1.10    X, 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 4, clause( 101, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 968, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 967, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 0, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 969, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 0.72/1.10    'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 968, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , 3, 5, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 971, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 969, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 393, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.72/1.10  , clause( 971, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 3 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 972, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 329, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), ~( product( 'e_1', 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 2, clause( 393, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 974, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' )
% 0.72/1.10     ) ] )
% 0.72/1.10  , 1, clause( 972, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 975, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 974, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, 2, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 394, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 975, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 1 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 976, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 327, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 394, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 978, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 976, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 979, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 978, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 399, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 979, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 0 ), ==>( 3, 3 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 981, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' )
% 0.72/1.10     ) ] )
% 0.72/1.10  , 1, clause( 399, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 982, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 981, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 0, 1, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 405, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 982, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 983, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 308, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.72/1.10  , 3, clause( 405, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_1' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 984, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' )
% 0.72/1.10     ) ] )
% 0.72/1.10  , 1, clause( 983, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 986, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 984, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, 4, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 407, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 986, [ product( 'e_1', 'e_3', 'e_1' ), equalish( 'e_1', 'e_2' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 3 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 ), ==>( 3, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 987, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 3, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 407, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 414, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 987, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 988, [ equalish( 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 389, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.72/1.10  , 1, clause( 414, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 989, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 0, clause( 988, [ equalish( 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 415, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 989, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.10     ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 990, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_3'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 72, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', X, 'e_3' )
% 0.72/1.10    , product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 415, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 991, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_3'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 990, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_3' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 417, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , clause( 991, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 0.72/1.10    'e_3' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 1 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 992, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 57, [ product( 'e_1', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.72/1.10    product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.72/1.10  , 3, clause( 417, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_2' ), product( 'e_1', 'e_3', 'e_3' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 993, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.72/1.10     ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 
% 0.72/1.10    'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' )
% 0.72/1.10     ) ] )
% 0.72/1.10  , 1, clause( 992, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 3, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 994, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 993, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 0.72/1.10    'e_1' ), equalish( 'e_3', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 0, 1, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 437, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 994, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2' ), 
% 0.72/1.10    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 3 ), ==>( 3, 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 995, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 8, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.72/1.10  , 0, clause( 437, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_3', 'e_2'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 445, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.72/1.10     ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , clause( 995, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_2' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 996, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 122, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', 'e_2'
% 0.72/1.10     ) ) ] )
% 0.72/1.10  , 3, clause( 445, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 0.72/1.10    'e_2' ), product( 'e_1', 'e_2', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 998, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' )
% 0.72/1.10     ) ] )
% 0.72/1.10  , 1, clause( 996, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 999, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 998, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 1000, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 999, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_2' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 2, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 446, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , clause( 1000, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 2 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1001, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 285, [ product( 'e_3', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.72/1.10  , 3, clause( 446, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_1', 'e_2' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1003, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , 0, clause( 1001, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 1004, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 1003, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , 1, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 454, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 1004, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 
% 0.72/1.10    'e_1' ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 2 ), ==>( 2
% 0.72/1.10    , 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1006, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 328, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.72/1.10  , 3, clause( 454, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 
% 0.72/1.10    'e_1' ), product( 'e_2', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 2, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1009, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 387, [ product( 'e_1', X, 'e_1' ), ~( product( X, 'e_1', 'e_1' )
% 0.72/1.10     ) ] )
% 0.72/1.10  , 1, clause( 1006, [ product( 'e_2', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 1010, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 1009, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' )
% 0.72/1.10    , product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 
% 0.72/1.10    'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  factor(
% 0.72/1.10  clause( 1011, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 1010, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' )
% 0.72/1.10    , product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 2, 3, substitution( 0, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 466, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3' ), 
% 0.72/1.10    product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , clause( 1011, [ product( 'e_1', 'e_2', 'e_1' ), equalish( 'e_2', 'e_3' )
% 0.72/1.10    , product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 1 ), ==>( 2
% 0.72/1.10    , 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1012, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , clause( 6, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.72/1.10  , 0, clause( 466, [ product( 'e_3', 'e_1', 'e_1' ), equalish( 'e_2', 'e_3'
% 0.72/1.10     ), product( 'e_1', 'e_2', 'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 473, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , clause( 1012, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.72/1.10     ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1013, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ) ]
% 0.72/1.10     )
% 0.72/1.10  , clause( 389, [ equalish( X, 'e_1' ), ~( product( 'e_1', X, 'e_1' ) ) ] )
% 0.72/1.10  , 1, clause( 473, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 0.72/1.10    'e_1' ) ] )
% 0.72/1.10  , 1, substitution( 0, [ :=( X, 'e_2' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1014, [ product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 5, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.72/1.10  , 0, clause( 1013, [ equalish( 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.72/1.10     ) ] )
% 0.72/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 475, [ product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , clause( 1014, [ product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1015, [ equalish( 'e_3', 'e_1' ) ] )
% 0.72/1.10  , clause( 390, [ equalish( X, 'e_1' ), ~( product( X, 'e_1', 'e_1' ) ) ] )
% 0.72/1.10  , 1, clause( 475, [ product( 'e_3', 'e_1', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [ :=( X, 'e_3' )] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  resolution(
% 0.72/1.10  clause( 1016, [] )
% 0.72/1.10  , clause( 7, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.72/1.10  , 0, clause( 1015, [ equalish( 'e_3', 'e_1' ) ] )
% 0.72/1.10  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  subsumption(
% 0.72/1.10  clause( 478, [] )
% 0.72/1.10  , clause( 1016, [] )
% 0.72/1.10  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  end.
% 0.72/1.10  
% 0.72/1.10  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.10  
% 0.72/1.10  Memory use:
% 0.72/1.10  
% 0.72/1.10  space for terms:        7984
% 0.72/1.10  space for clauses:      20965
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  clauses generated:      1632
% 0.72/1.10  clauses kept:           479
% 0.72/1.10  clauses selected:       218
% 0.72/1.10  clauses deleted:        46
% 0.72/1.10  clauses inuse deleted:  0
% 0.72/1.10  
% 0.72/1.10  subsentry:          6838
% 0.72/1.10  literals s-matched: 3273
% 0.72/1.10  literals matched:   2439
% 0.72/1.10  full subsumption:   376
% 0.72/1.10  
% 0.72/1.10  checksum:           872868709
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Bliksem ended
%------------------------------------------------------------------------------