TSTP Solution File: PUZ027-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : PUZ027-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n018.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 : Mon Jul 18 17:58:13 EDT 2022

% Result   : Unsatisfiable 0.78s 1.17s
% Output   : Refutation 0.78s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PUZ027-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n018.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % DateTime : Sat May 28 20:13:25 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.78/1.17  *** allocated 10000 integers for termspace/termends
% 0.78/1.17  *** allocated 10000 integers for clauses
% 0.78/1.17  *** allocated 10000 integers for justifications
% 0.78/1.17  Bliksem 1.12
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  Automatic Strategy Selection
% 0.78/1.17  
% 0.78/1.17  Clauses:
% 0.78/1.17  [
% 0.78/1.17     [ 'a_truth'( truthteller( X ) ), 'a_truth'( liar( X ) ), 'a_truth'( 
% 0.78/1.17    normal( X ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( normal( X ) ) ) ]
% 0.78/1.17    ,
% 0.78/1.17     [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( liar( X ) ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( normal( X ) ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( says( X, Y ) ) ), 
% 0.78/1.17    'a_truth'( Y ) ],
% 0.78/1.17     [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( says( X, Y ) ) ), ~( 
% 0.78/1.17    'a_truth'( Y ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( X ) ), ~( 'a_truth'( says( Y, X ) ) ), 'a_truth'( 
% 0.78/1.17    truthteller( Y ) ), 'a_truth'( normal( Y ) ) ],
% 0.78/1.17     [ 'a_truth'( X ), ~( 'a_truth'( says( Y, X ) ) ), 'a_truth'( liar( Y ) )
% 0.78/1.17    , 'a_truth'( normal( Y ) ) ],
% 0.78/1.17     [ 'a_truth'( 'not_lower'( X, X ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( lower( X, Y ) ) )
% 0.78/1.17     ],
% 0.78/1.17     [ 'a_truth'( 'not_lower'( X, Y ) ), 'a_truth'( lower( X, Y ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( liar( X ) ) ), 
% 0.78/1.17    'a_truth'( normal( Y ) ), 'a_truth'( truthteller( Y ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( normal( X ) ) ), 
% 0.78/1.17    'a_truth'( truthteller( Y ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( truthteller( X ) ) ) ]
% 0.78/1.17    ,
% 0.78/1.17     [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( truthteller( Y ) ) ), 
% 0.78/1.17    'a_truth'( normal( X ) ), 'a_truth'( liar( X ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( normal( Y ) ) ), 
% 0.78/1.17    'a_truth'( liar( X ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( liar( Y ) ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( truthteller( X )
% 0.78/1.17     ) ), 'a_truth'( truthteller( Y ) ), 'a_truth'( lower( Y, X ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( liar( X ) ) ), 
% 0.78/1.17    'a_truth'( liar( Y ) ), 'a_truth'( lower( Y, X ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( normal( X ) ) ), 
% 0.78/1.17    'a_truth'( normal( Y ) ), 'a_truth'( lower( Y, X ) ) ],
% 0.78/1.17     [ 'a_truth'( says( a, lower( a, b ) ) ) ],
% 0.78/1.17     [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ],
% 0.78/1.17     [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( truthteller( b ) ) )
% 0.78/1.17    , answer( 'a_and_b_truthteller' ) ],
% 0.78/1.17     [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( normal( b ) ) ), 
% 0.78/1.17    answer( 'a_truthteller_b_normal' ) ],
% 0.78/1.17     [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( liar( b ) ) ), 
% 0.78/1.17    answer( 'a_truthteller_b_liar' ) ],
% 0.78/1.17     [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( truthteller( b ) ) ), 
% 0.78/1.17    answer( 'a_normal_b_truthteller' ) ],
% 0.78/1.17     [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) ) ), answer( 
% 0.78/1.17    'a_and_b_normal' ) ],
% 0.78/1.17     [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( liar( b ) ) ), answer( 
% 0.78/1.17    'a_normal_b_liar' ) ],
% 0.78/1.17     [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( truthteller( b ) ) ), 
% 0.78/1.17    answer( 'a_liar_b_truthteller' ) ],
% 0.78/1.17     [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) ), answer( 
% 0.78/1.17    'a_liar_b_normal' ) ],
% 0.78/1.17     [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( liar( b ) ) ), answer( 
% 0.78/1.17    'a_and_b_liar' ) ],
% 0.78/1.17     [ ~( answer( X ) ) ]
% 0.78/1.17  ] .
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  percentage equality = 0.000000, percentage horn = 0.718750
% 0.78/1.17  This a non-horn, non-equality problem
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  Options Used:
% 0.78/1.17  
% 0.78/1.17  useres =            1
% 0.78/1.17  useparamod =        0
% 0.78/1.17  useeqrefl =         0
% 0.78/1.17  useeqfact =         0
% 0.78/1.17  usefactor =         1
% 0.78/1.17  usesimpsplitting =  0
% 0.78/1.17  usesimpdemod =      0
% 0.78/1.17  usesimpres =        3
% 0.78/1.17  
% 0.78/1.17  resimpinuse      =  1000
% 0.78/1.17  resimpclauses =     20000
% 0.78/1.17  substype =          standard
% 0.78/1.17  backwardsubs =      1
% 0.78/1.17  selectoldest =      5
% 0.78/1.17  
% 0.78/1.17  litorderings [0] =  split
% 0.78/1.17  litorderings [1] =  liftord
% 0.78/1.17  
% 0.78/1.17  termordering =      none
% 0.78/1.17  
% 0.78/1.17  litapriori =        1
% 0.78/1.17  termapriori =       0
% 0.78/1.17  litaposteriori =    0
% 0.78/1.17  termaposteriori =   0
% 0.78/1.17  demodaposteriori =  0
% 0.78/1.17  ordereqreflfact =   0
% 0.78/1.17  
% 0.78/1.17  litselect =         none
% 0.78/1.17  
% 0.78/1.17  maxweight =         15
% 0.78/1.17  maxdepth =          30000
% 0.78/1.17  maxlength =         115
% 0.78/1.17  maxnrvars =         195
% 0.78/1.17  excuselevel =       1
% 0.78/1.17  increasemaxweight = 1
% 0.78/1.17  
% 0.78/1.17  maxselected =       10000000
% 0.78/1.17  maxnrclauses =      10000000
% 0.78/1.17  
% 0.78/1.17  showgenerated =    0
% 0.78/1.17  showkept =         0
% 0.78/1.17  showselected =     0
% 0.78/1.17  showdeleted =      0
% 0.78/1.17  showresimp =       1
% 0.78/1.17  showstatus =       2000
% 0.78/1.17  
% 0.78/1.17  prologoutput =     1
% 0.78/1.17  nrgoals =          5000000
% 0.78/1.17  totalproof =       1
% 0.78/1.17  
% 0.78/1.17  Symbols occurring in the translation:
% 0.78/1.17  
% 0.78/1.17  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.78/1.17  .  [1, 2]      (w:1, o:33, a:1, s:1, b:0), 
% 0.78/1.17  !  [4, 1]      (w:0, o:23, a:1, s:1, b:0), 
% 0.78/1.17  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.78/1.17  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.78/1.17  truthteller  [40, 1]      (w:1, o:28, a:1, s:1, b:0), 
% 0.78/1.17  'a_truth'  [41, 1]      (w:1, o:29, a:1, s:1, b:0), 
% 0.78/1.17  liar  [42, 1]      (w:1, o:30, a:1, s:1, b:0), 
% 0.78/1.17  normal  [43, 1]      (w:1, o:31, a:1, s:1, b:0), 
% 0.78/1.17  says  [45, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 0.78/1.17  'not_lower'  [46, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 0.78/1.17  lower  [47, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 0.78/1.17  a  [48, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.78/1.17  b  [49, 0]      (w:1, o:21, a:1, s:1, b:0), 
% 0.78/1.17  'a_and_b_truthteller'  [50, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.78/1.17  answer  [51, 1]      (w:1, o:32, a:1, s:1, b:0), 
% 0.78/1.17  'a_truthteller_b_normal'  [52, 0]      (w:1, o:13, a:1, s:1, b:0), 
% 0.78/1.17  'a_truthteller_b_liar'  [53, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.78/1.17  'a_normal_b_truthteller'  [54, 0]      (w:1, o:15, a:1, s:1, b:0), 
% 0.78/1.17  'a_and_b_normal'  [55, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 0.78/1.17  'a_normal_b_liar'  [56, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 0.78/1.17  'a_liar_b_truthteller'  [57, 0]      (w:1, o:18, a:1, s:1, b:0), 
% 0.78/1.17  'a_liar_b_normal'  [58, 0]      (w:1, o:19, a:1, s:1, b:0), 
% 0.78/1.17  'a_and_b_liar'  [59, 0]      (w:1, o:20, a:1, s:1, b:0).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  Starting Search:
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  Bliksems!, er is een bewijs:
% 0.78/1.17  % SZS status Unsatisfiable
% 0.78/1.17  % SZS output start Refutation
% 0.78/1.17  
% 0.78/1.17  clause( 4, [ ~( 'a_truth'( truthteller( X ) ) ), 'a_truth'( Y ), ~( 
% 0.78/1.17    'a_truth'( says( X, Y ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 5, [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( Y ) ), ~( 'a_truth'( 
% 0.78/1.17    says( X, Y ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 6, [ 'a_truth'( normal( Y ) ), 'a_truth'( truthteller( Y ) ), ~( 
% 0.78/1.17    'a_truth'( says( Y, X ) ) ), ~( 'a_truth'( X ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 7, [ 'a_truth'( normal( Y ) ), 'a_truth'( liar( Y ) ), ~( 'a_truth'( 
% 0.78/1.17    says( Y, X ) ) ), 'a_truth'( X ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 10, [ 'a_truth'( 'not_lower'( X, Y ) ), 'a_truth'( lower( X, Y ) )
% 0.78/1.17     ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 13, [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( lower( X, Y
% 0.78/1.17     ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 16, [ ~( 'a_truth'( liar( Y ) ) ), ~( 'a_truth'( lower( X, Y ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 20, [ 'a_truth'( says( a, lower( a, b ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 21, [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 25, [ ~( 'a_truth'( truthteller( b ) ) ), ~( 'a_truth'( normal( a )
% 0.78/1.17     ) ), answer( 'a_normal_b_truthteller' ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 26, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17    , answer( 'a_and_b_normal' ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 28, [ ~( 'a_truth'( truthteller( b ) ) ), ~( 'a_truth'( liar( a ) )
% 0.78/1.17     ), answer( 'a_liar_b_truthteller' ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 29, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) ), 
% 0.78/1.17    answer( 'a_liar_b_normal' ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 31, [ ~( answer( X ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 38, [ ~( 'a_truth'( truthteller( a ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 49, [ ~( 'a_truth'( liar( Y ) ) ), 'a_truth'( 'not_lower'( X, Y ) )
% 0.78/1.17     ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 58, [ ~( 'a_truth'( liar( b ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 77, [ 'a_truth'( normal( a ) ), ~( 'a_truth'( lower( a, b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  .
% 0.78/1.17  clause( 103, [ 'a_truth'( liar( a ) ), 'a_truth'( normal( a ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 104, [ 'a_truth'( normal( b ) ), 'a_truth'( 'not_lower'( a, b ) ) ]
% 0.78/1.17     )
% 0.78/1.17  .
% 0.78/1.17  clause( 113, [ 'a_truth'( truthteller( X ) ), 'a_truth'( normal( X ) ), 
% 0.78/1.17    'a_truth'( normal( b ) ), ~( 'a_truth'( says( X, 'not_lower'( a, b ) ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 115, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 119, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  .
% 0.78/1.17  clause( 123, [ 'a_truth'( truthteller( b ) ), ~( 'a_truth'( liar( a ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  .
% 0.78/1.17  clause( 128, [ ~( 'a_truth'( liar( a ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 134, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 135, [ 'a_truth'( truthteller( b ) ), ~( 'a_truth'( normal( a ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 146, [ ~( 'a_truth'( normal( a ) ) ) ] )
% 0.78/1.17  .
% 0.78/1.17  clause( 147, [] )
% 0.78/1.17  .
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  % SZS output end Refutation
% 0.78/1.17  found a proof!
% 0.78/1.17  
% 0.78/1.17  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.78/1.17  
% 0.78/1.17  initialclauses(
% 0.78/1.17  [ clause( 149, [ 'a_truth'( truthteller( X ) ), 'a_truth'( liar( X ) ), 
% 0.78/1.17    'a_truth'( normal( X ) ) ] )
% 0.78/1.17  , clause( 150, [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( normal( 
% 0.78/1.17    X ) ) ) ] )
% 0.78/1.17  , clause( 151, [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( liar( X
% 0.78/1.17     ) ) ) ] )
% 0.78/1.17  , clause( 152, [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( normal( X ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 153, [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( says( X
% 0.78/1.17    , Y ) ) ), 'a_truth'( Y ) ] )
% 0.78/1.17  , clause( 154, [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( says( X, Y ) )
% 0.78/1.17     ), ~( 'a_truth'( Y ) ) ] )
% 0.78/1.17  , clause( 155, [ ~( 'a_truth'( X ) ), ~( 'a_truth'( says( Y, X ) ) ), 
% 0.78/1.17    'a_truth'( truthteller( Y ) ), 'a_truth'( normal( Y ) ) ] )
% 0.78/1.17  , clause( 156, [ 'a_truth'( X ), ~( 'a_truth'( says( Y, X ) ) ), 'a_truth'( 
% 0.78/1.17    liar( Y ) ), 'a_truth'( normal( Y ) ) ] )
% 0.78/1.17  , clause( 157, [ 'a_truth'( 'not_lower'( X, X ) ) ] )
% 0.78/1.17  , clause( 158, [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( lower( 
% 0.78/1.17    X, Y ) ) ) ] )
% 0.78/1.17  , clause( 159, [ 'a_truth'( 'not_lower'( X, Y ) ), 'a_truth'( lower( X, Y )
% 0.78/1.17     ) ] )
% 0.78/1.17  , clause( 160, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( liar( X ) )
% 0.78/1.17     ), 'a_truth'( normal( Y ) ), 'a_truth'( truthteller( Y ) ) ] )
% 0.78/1.17  , clause( 161, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( normal( X )
% 0.78/1.17     ) ), 'a_truth'( truthteller( Y ) ) ] )
% 0.78/1.17  , clause( 162, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( truthteller( 
% 0.78/1.17    X ) ) ) ] )
% 0.78/1.17  , clause( 163, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( truthteller( 
% 0.78/1.17    Y ) ) ), 'a_truth'( normal( X ) ), 'a_truth'( liar( X ) ) ] )
% 0.78/1.17  , clause( 164, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( normal( Y )
% 0.78/1.17     ) ), 'a_truth'( liar( X ) ) ] )
% 0.78/1.17  , clause( 165, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( liar( Y ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  , clause( 166, [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( 
% 0.78/1.17    truthteller( X ) ) ), 'a_truth'( truthteller( Y ) ), 'a_truth'( lower( Y
% 0.78/1.17    , X ) ) ] )
% 0.78/1.17  , clause( 167, [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( liar( 
% 0.78/1.17    X ) ) ), 'a_truth'( liar( Y ) ), 'a_truth'( lower( Y, X ) ) ] )
% 0.78/1.17  , clause( 168, [ ~( 'a_truth'( 'not_lower'( X, Y ) ) ), ~( 'a_truth'( 
% 0.78/1.17    normal( X ) ) ), 'a_truth'( normal( Y ) ), 'a_truth'( lower( Y, X ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 169, [ 'a_truth'( says( a, lower( a, b ) ) ) ] )
% 0.78/1.17  , clause( 170, [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ] )
% 0.78/1.17  , clause( 171, [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( 
% 0.78/1.17    truthteller( b ) ) ), answer( 'a_and_b_truthteller' ) ] )
% 0.78/1.17  , clause( 172, [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( normal( 
% 0.78/1.17    b ) ) ), answer( 'a_truthteller_b_normal' ) ] )
% 0.78/1.17  , clause( 173, [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( liar( b
% 0.78/1.17     ) ) ), answer( 'a_truthteller_b_liar' ) ] )
% 0.78/1.17  , clause( 174, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( truthteller( 
% 0.78/1.17    b ) ) ), answer( 'a_normal_b_truthteller' ) ] )
% 0.78/1.17  , clause( 175, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) )
% 0.78/1.17     ), answer( 'a_and_b_normal' ) ] )
% 0.78/1.17  , clause( 176, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( liar( b ) ) )
% 0.78/1.17    , answer( 'a_normal_b_liar' ) ] )
% 0.78/1.17  , clause( 177, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( truthteller( b
% 0.78/1.17     ) ) ), answer( 'a_liar_b_truthteller' ) ] )
% 0.78/1.17  , clause( 178, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17    , answer( 'a_liar_b_normal' ) ] )
% 0.78/1.17  , clause( 179, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( liar( b ) ) ), 
% 0.78/1.17    answer( 'a_and_b_liar' ) ] )
% 0.78/1.17  , clause( 180, [ ~( answer( X ) ) ] )
% 0.78/1.17  ] ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 4, [ ~( 'a_truth'( truthteller( X ) ) ), 'a_truth'( Y ), ~( 
% 0.78/1.17    'a_truth'( says( X, Y ) ) ) ] )
% 0.78/1.17  , clause( 153, [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( says( X
% 0.78/1.17    , Y ) ) ), 'a_truth'( Y ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.78/1.17     ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 5, [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( Y ) ), ~( 'a_truth'( 
% 0.78/1.17    says( X, Y ) ) ) ] )
% 0.78/1.17  , clause( 154, [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( says( X, Y ) )
% 0.78/1.17     ), ~( 'a_truth'( Y ) ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.78/1.17     ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 6, [ 'a_truth'( normal( Y ) ), 'a_truth'( truthteller( Y ) ), ~( 
% 0.78/1.17    'a_truth'( says( Y, X ) ) ), ~( 'a_truth'( X ) ) ] )
% 0.78/1.17  , clause( 155, [ ~( 'a_truth'( X ) ), ~( 'a_truth'( says( Y, X ) ) ), 
% 0.78/1.17    'a_truth'( truthteller( Y ) ), 'a_truth'( normal( Y ) ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 3
% 0.78/1.17     ), ==>( 1, 2 ), ==>( 2, 1 ), ==>( 3, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 7, [ 'a_truth'( normal( Y ) ), 'a_truth'( liar( Y ) ), ~( 'a_truth'( 
% 0.78/1.17    says( Y, X ) ) ), 'a_truth'( X ) ] )
% 0.78/1.17  , clause( 156, [ 'a_truth'( X ), ~( 'a_truth'( says( Y, X ) ) ), 'a_truth'( 
% 0.78/1.17    liar( Y ) ), 'a_truth'( normal( Y ) ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 3
% 0.78/1.17     ), ==>( 1, 2 ), ==>( 2, 1 ), ==>( 3, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 10, [ 'a_truth'( 'not_lower'( X, Y ) ), 'a_truth'( lower( X, Y ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 159, [ 'a_truth'( 'not_lower'( X, Y ) ), 'a_truth'( lower( X, Y )
% 0.78/1.17     ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.78/1.17     ), ==>( 1, 1 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 13, [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( lower( X, Y
% 0.78/1.17     ) ) ) ] )
% 0.78/1.17  , clause( 162, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( truthteller( 
% 0.78/1.17    X ) ) ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.78/1.17     ), ==>( 1, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 16, [ ~( 'a_truth'( liar( Y ) ) ), ~( 'a_truth'( lower( X, Y ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 165, [ ~( 'a_truth'( lower( X, Y ) ) ), ~( 'a_truth'( liar( Y ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.78/1.17     ), ==>( 1, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 20, [ 'a_truth'( says( a, lower( a, b ) ) ) ] )
% 0.78/1.17  , clause( 169, [ 'a_truth'( says( a, lower( a, b ) ) ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 21, [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ] )
% 0.78/1.17  , clause( 170, [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 25, [ ~( 'a_truth'( truthteller( b ) ) ), ~( 'a_truth'( normal( a )
% 0.78/1.17     ) ), answer( 'a_normal_b_truthteller' ) ] )
% 0.78/1.17  , clause( 174, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( truthteller( 
% 0.78/1.17    b ) ) ), answer( 'a_normal_b_truthteller' ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.78/1.17    , 2 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 26, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17    , answer( 'a_and_b_normal' ) ] )
% 0.78/1.17  , clause( 175, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) )
% 0.78/1.17     ), answer( 'a_and_b_normal' ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.78/1.17    , 2 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 28, [ ~( 'a_truth'( truthteller( b ) ) ), ~( 'a_truth'( liar( a ) )
% 0.78/1.17     ), answer( 'a_liar_b_truthteller' ) ] )
% 0.78/1.17  , clause( 177, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( truthteller( b
% 0.78/1.17     ) ) ), answer( 'a_liar_b_truthteller' ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 ), ==>( 2
% 0.78/1.17    , 2 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 29, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) ), 
% 0.78/1.17    answer( 'a_liar_b_normal' ) ] )
% 0.78/1.17  , clause( 178, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17    , answer( 'a_liar_b_normal' ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 0.78/1.17    , 2 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 31, [ ~( answer( X ) ) ] )
% 0.78/1.17  , clause( 180, [ ~( answer( X ) ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 216, [ ~( 'a_truth'( truthteller( a ) ) ), 'a_truth'( lower( a, b )
% 0.78/1.17     ) ] )
% 0.78/1.17  , clause( 4, [ ~( 'a_truth'( truthteller( X ) ) ), 'a_truth'( Y ), ~( 
% 0.78/1.17    'a_truth'( says( X, Y ) ) ) ] )
% 0.78/1.17  , 2, clause( 20, [ 'a_truth'( says( a, lower( a, b ) ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [ :=( X, a ), :=( Y, lower( a, b ) )] ), 
% 0.78/1.17    substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 217, [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( 
% 0.78/1.17    truthteller( a ) ) ) ] )
% 0.78/1.17  , clause( 13, [ ~( 'a_truth'( truthteller( X ) ) ), ~( 'a_truth'( lower( X
% 0.78/1.17    , Y ) ) ) ] )
% 0.78/1.17  , 1, clause( 216, [ ~( 'a_truth'( truthteller( a ) ) ), 'a_truth'( lower( a
% 0.78/1.17    , b ) ) ] )
% 0.78/1.17  , 1, substitution( 0, [ :=( X, a ), :=( Y, b )] ), substitution( 1, [] )
% 0.78/1.17    ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  factor(
% 0.78/1.17  clause( 218, [ ~( 'a_truth'( truthteller( a ) ) ) ] )
% 0.78/1.17  , clause( 217, [ ~( 'a_truth'( truthteller( a ) ) ), ~( 'a_truth'( 
% 0.78/1.17    truthteller( a ) ) ) ] )
% 0.78/1.17  , 0, 1, substitution( 0, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 38, [ ~( 'a_truth'( truthteller( a ) ) ) ] )
% 0.78/1.17  , clause( 218, [ ~( 'a_truth'( truthteller( a ) ) ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 219, [ ~( 'a_truth'( liar( X ) ) ), 'a_truth'( 'not_lower'( Y, X )
% 0.78/1.17     ) ] )
% 0.78/1.17  , clause( 16, [ ~( 'a_truth'( liar( Y ) ) ), ~( 'a_truth'( lower( X, Y ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  , 1, clause( 10, [ 'a_truth'( 'not_lower'( X, Y ) ), 'a_truth'( lower( X, Y
% 0.78/1.17     ) ) ] )
% 0.78/1.17  , 1, substitution( 0, [ :=( X, Y ), :=( Y, X )] ), substitution( 1, [ :=( X
% 0.78/1.17    , Y ), :=( Y, X )] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 49, [ ~( 'a_truth'( liar( Y ) ) ), 'a_truth'( 'not_lower'( X, Y ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 219, [ ~( 'a_truth'( liar( X ) ) ), 'a_truth'( 'not_lower'( Y, X
% 0.78/1.17     ) ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, Y ), :=( Y, X )] ), permutation( 0, [ ==>( 0, 0
% 0.78/1.17     ), ==>( 1, 1 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 221, [ ~( 'a_truth'( liar( b ) ) ), ~( 'a_truth'( 'not_lower'( a, b
% 0.78/1.17     ) ) ) ] )
% 0.78/1.17  , clause( 5, [ ~( 'a_truth'( liar( X ) ) ), ~( 'a_truth'( Y ) ), ~( 
% 0.78/1.17    'a_truth'( says( X, Y ) ) ) ] )
% 0.78/1.17  , 2, clause( 21, [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [ :=( X, b ), :=( Y, 'not_lower'( a, b ) )] ), 
% 0.78/1.17    substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 222, [ ~( 'a_truth'( liar( b ) ) ), ~( 'a_truth'( liar( b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 221, [ ~( 'a_truth'( liar( b ) ) ), ~( 'a_truth'( 'not_lower'( a
% 0.78/1.17    , b ) ) ) ] )
% 0.78/1.17  , 1, clause( 49, [ ~( 'a_truth'( liar( Y ) ) ), 'a_truth'( 'not_lower'( X, 
% 0.78/1.17    Y ) ) ] )
% 0.78/1.17  , 1, substitution( 0, [] ), substitution( 1, [ :=( X, a ), :=( Y, b )] )
% 0.78/1.17    ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  factor(
% 0.78/1.17  clause( 223, [ ~( 'a_truth'( liar( b ) ) ) ] )
% 0.78/1.17  , clause( 222, [ ~( 'a_truth'( liar( b ) ) ), ~( 'a_truth'( liar( b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , 0, 1, substitution( 0, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 58, [ ~( 'a_truth'( liar( b ) ) ) ] )
% 0.78/1.17  , clause( 223, [ ~( 'a_truth'( liar( b ) ) ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 224, [ 'a_truth'( normal( a ) ), 'a_truth'( truthteller( a ) ), ~( 
% 0.78/1.17    'a_truth'( lower( a, b ) ) ) ] )
% 0.78/1.17  , clause( 6, [ 'a_truth'( normal( Y ) ), 'a_truth'( truthteller( Y ) ), ~( 
% 0.78/1.17    'a_truth'( says( Y, X ) ) ), ~( 'a_truth'( X ) ) ] )
% 0.78/1.17  , 2, clause( 20, [ 'a_truth'( says( a, lower( a, b ) ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [ :=( X, lower( a, b ) ), :=( Y, a )] ), 
% 0.78/1.17    substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 226, [ 'a_truth'( normal( a ) ), ~( 'a_truth'( lower( a, b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 38, [ ~( 'a_truth'( truthteller( a ) ) ) ] )
% 0.78/1.17  , 0, clause( 224, [ 'a_truth'( normal( a ) ), 'a_truth'( truthteller( a ) )
% 0.78/1.17    , ~( 'a_truth'( lower( a, b ) ) ) ] )
% 0.78/1.17  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 77, [ 'a_truth'( normal( a ) ), ~( 'a_truth'( lower( a, b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 226, [ 'a_truth'( normal( a ) ), ~( 'a_truth'( lower( a, b ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 227, [ 'a_truth'( normal( a ) ), 'a_truth'( liar( a ) ), 'a_truth'( 
% 0.78/1.17    lower( a, b ) ) ] )
% 0.78/1.17  , clause( 7, [ 'a_truth'( normal( Y ) ), 'a_truth'( liar( Y ) ), ~( 
% 0.78/1.17    'a_truth'( says( Y, X ) ) ), 'a_truth'( X ) ] )
% 0.78/1.17  , 2, clause( 20, [ 'a_truth'( says( a, lower( a, b ) ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [ :=( X, lower( a, b ) ), :=( Y, a )] ), 
% 0.78/1.17    substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 228, [ 'a_truth'( normal( a ) ), 'a_truth'( normal( a ) ), 
% 0.78/1.17    'a_truth'( liar( a ) ) ] )
% 0.78/1.17  , clause( 77, [ 'a_truth'( normal( a ) ), ~( 'a_truth'( lower( a, b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , 1, clause( 227, [ 'a_truth'( normal( a ) ), 'a_truth'( liar( a ) ), 
% 0.78/1.17    'a_truth'( lower( a, b ) ) ] )
% 0.78/1.17  , 2, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  factor(
% 0.78/1.17  clause( 229, [ 'a_truth'( normal( a ) ), 'a_truth'( liar( a ) ) ] )
% 0.78/1.17  , clause( 228, [ 'a_truth'( normal( a ) ), 'a_truth'( normal( a ) ), 
% 0.78/1.17    'a_truth'( liar( a ) ) ] )
% 0.78/1.17  , 0, 1, substitution( 0, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 103, [ 'a_truth'( liar( a ) ), 'a_truth'( normal( a ) ) ] )
% 0.78/1.17  , clause( 229, [ 'a_truth'( normal( a ) ), 'a_truth'( liar( a ) ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 230, [ 'a_truth'( normal( b ) ), 'a_truth'( liar( b ) ), 'a_truth'( 
% 0.78/1.17    'not_lower'( a, b ) ) ] )
% 0.78/1.17  , clause( 7, [ 'a_truth'( normal( Y ) ), 'a_truth'( liar( Y ) ), ~( 
% 0.78/1.17    'a_truth'( says( Y, X ) ) ), 'a_truth'( X ) ] )
% 0.78/1.17  , 2, clause( 21, [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [ :=( X, 'not_lower'( a, b ) ), :=( Y, b )] ), 
% 0.78/1.17    substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 231, [ 'a_truth'( normal( b ) ), 'a_truth'( 'not_lower'( a, b ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 58, [ ~( 'a_truth'( liar( b ) ) ) ] )
% 0.78/1.17  , 0, clause( 230, [ 'a_truth'( normal( b ) ), 'a_truth'( liar( b ) ), 
% 0.78/1.17    'a_truth'( 'not_lower'( a, b ) ) ] )
% 0.78/1.17  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 104, [ 'a_truth'( normal( b ) ), 'a_truth'( 'not_lower'( a, b ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 231, [ 'a_truth'( normal( b ) ), 'a_truth'( 'not_lower'( a, b ) )
% 0.78/1.17     ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 233, [ 'a_truth'( normal( X ) ), 'a_truth'( truthteller( X ) ), ~( 
% 0.78/1.17    'a_truth'( says( X, 'not_lower'( a, b ) ) ) ), 'a_truth'( normal( b ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 6, [ 'a_truth'( normal( Y ) ), 'a_truth'( truthteller( Y ) ), ~( 
% 0.78/1.17    'a_truth'( says( Y, X ) ) ), ~( 'a_truth'( X ) ) ] )
% 0.78/1.17  , 3, clause( 104, [ 'a_truth'( normal( b ) ), 'a_truth'( 'not_lower'( a, b
% 0.78/1.17     ) ) ] )
% 0.78/1.17  , 1, substitution( 0, [ :=( X, 'not_lower'( a, b ) ), :=( Y, X )] ), 
% 0.78/1.17    substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 113, [ 'a_truth'( truthteller( X ) ), 'a_truth'( normal( X ) ), 
% 0.78/1.17    'a_truth'( normal( b ) ), ~( 'a_truth'( says( X, 'not_lower'( a, b ) ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  , clause( 233, [ 'a_truth'( normal( X ) ), 'a_truth'( truthteller( X ) ), 
% 0.78/1.17    ~( 'a_truth'( says( X, 'not_lower'( a, b ) ) ) ), 'a_truth'( normal( b )
% 0.78/1.17     ) ] )
% 0.78/1.17  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.78/1.17    0 ), ==>( 2, 3 ), ==>( 3, 2 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  factor(
% 0.78/1.17  clause( 235, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) ), ~( 
% 0.78/1.17    'a_truth'( says( b, 'not_lower'( a, b ) ) ) ) ] )
% 0.78/1.17  , clause( 113, [ 'a_truth'( truthteller( X ) ), 'a_truth'( normal( X ) ), 
% 0.78/1.17    'a_truth'( normal( b ) ), ~( 'a_truth'( says( X, 'not_lower'( a, b ) ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  , 1, 2, substitution( 0, [ :=( X, b )] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 236, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) ) ] )
% 0.78/1.17  , clause( 235, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) ), 
% 0.78/1.17    ~( 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ) ] )
% 0.78/1.17  , 2, clause( 21, [ 'a_truth'( says( b, 'not_lower'( a, b ) ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 115, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) ) ] )
% 0.78/1.17  , clause( 236, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 237, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 31, [ ~( answer( X ) ) ] )
% 0.78/1.17  , 0, clause( 29, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) )
% 0.78/1.17     ), answer( 'a_liar_b_normal' ) ] )
% 0.78/1.17  , 2, substitution( 0, [ :=( X, 'a_liar_b_normal' )] ), substitution( 1, [] )
% 0.78/1.17    ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 119, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 237, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 238, [ ~( 'a_truth'( liar( a ) ) ), 'a_truth'( truthteller( b ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 119, [ ~( 'a_truth'( liar( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , 1, clause( 115, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) )
% 0.78/1.17     ] )
% 0.78/1.17  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 123, [ 'a_truth'( truthteller( b ) ), ~( 'a_truth'( liar( a ) ) ) ]
% 0.78/1.17     )
% 0.78/1.17  , clause( 238, [ ~( 'a_truth'( liar( a ) ) ), 'a_truth'( truthteller( b ) )
% 0.78/1.17     ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 239, [ ~( 'a_truth'( liar( a ) ) ), answer( 'a_liar_b_truthteller'
% 0.78/1.17     ), ~( 'a_truth'( liar( a ) ) ) ] )
% 0.78/1.17  , clause( 28, [ ~( 'a_truth'( truthteller( b ) ) ), ~( 'a_truth'( liar( a )
% 0.78/1.17     ) ), answer( 'a_liar_b_truthteller' ) ] )
% 0.78/1.17  , 0, clause( 123, [ 'a_truth'( truthteller( b ) ), ~( 'a_truth'( liar( a )
% 0.78/1.17     ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  factor(
% 0.78/1.17  clause( 240, [ ~( 'a_truth'( liar( a ) ) ), answer( 'a_liar_b_truthteller'
% 0.78/1.17     ) ] )
% 0.78/1.17  , clause( 239, [ ~( 'a_truth'( liar( a ) ) ), answer( 
% 0.78/1.17    'a_liar_b_truthteller' ), ~( 'a_truth'( liar( a ) ) ) ] )
% 0.78/1.17  , 0, 2, substitution( 0, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 241, [ ~( 'a_truth'( liar( a ) ) ) ] )
% 0.78/1.17  , clause( 31, [ ~( answer( X ) ) ] )
% 0.78/1.17  , 0, clause( 240, [ ~( 'a_truth'( liar( a ) ) ), answer( 
% 0.78/1.17    'a_liar_b_truthteller' ) ] )
% 0.78/1.17  , 1, substitution( 0, [ :=( X, 'a_liar_b_truthteller' )] ), substitution( 1
% 0.78/1.17    , [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 128, [ ~( 'a_truth'( liar( a ) ) ) ] )
% 0.78/1.17  , clause( 241, [ ~( 'a_truth'( liar( a ) ) ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 242, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 31, [ ~( answer( X ) ) ] )
% 0.78/1.17  , 0, clause( 26, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b )
% 0.78/1.17     ) ), answer( 'a_and_b_normal' ) ] )
% 0.78/1.17  , 2, substitution( 0, [ :=( X, 'a_and_b_normal' )] ), substitution( 1, [] )
% 0.78/1.17    ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 134, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 242, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 243, [ ~( 'a_truth'( normal( a ) ) ), 'a_truth'( truthteller( b ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 134, [ ~( 'a_truth'( normal( a ) ) ), ~( 'a_truth'( normal( b ) )
% 0.78/1.17     ) ] )
% 0.78/1.17  , 1, clause( 115, [ 'a_truth'( truthteller( b ) ), 'a_truth'( normal( b ) )
% 0.78/1.17     ] )
% 0.78/1.17  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 135, [ 'a_truth'( truthteller( b ) ), ~( 'a_truth'( normal( a ) ) )
% 0.78/1.17     ] )
% 0.78/1.17  , clause( 243, [ ~( 'a_truth'( normal( a ) ) ), 'a_truth'( truthteller( b )
% 0.78/1.17     ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.78/1.17     ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 244, [ ~( 'a_truth'( normal( a ) ) ), answer( 
% 0.78/1.17    'a_normal_b_truthteller' ), ~( 'a_truth'( normal( a ) ) ) ] )
% 0.78/1.17  , clause( 25, [ ~( 'a_truth'( truthteller( b ) ) ), ~( 'a_truth'( normal( a
% 0.78/1.17     ) ) ), answer( 'a_normal_b_truthteller' ) ] )
% 0.78/1.17  , 0, clause( 135, [ 'a_truth'( truthteller( b ) ), ~( 'a_truth'( normal( a
% 0.78/1.17     ) ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  factor(
% 0.78/1.17  clause( 245, [ ~( 'a_truth'( normal( a ) ) ), answer( 
% 0.78/1.17    'a_normal_b_truthteller' ) ] )
% 0.78/1.17  , clause( 244, [ ~( 'a_truth'( normal( a ) ) ), answer( 
% 0.78/1.17    'a_normal_b_truthteller' ), ~( 'a_truth'( normal( a ) ) ) ] )
% 0.78/1.17  , 0, 2, substitution( 0, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 246, [ ~( 'a_truth'( normal( a ) ) ) ] )
% 0.78/1.17  , clause( 31, [ ~( answer( X ) ) ] )
% 0.78/1.17  , 0, clause( 245, [ ~( 'a_truth'( normal( a ) ) ), answer( 
% 0.78/1.17    'a_normal_b_truthteller' ) ] )
% 0.78/1.17  , 1, substitution( 0, [ :=( X, 'a_normal_b_truthteller' )] ), 
% 0.78/1.17    substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 146, [ ~( 'a_truth'( normal( a ) ) ) ] )
% 0.78/1.17  , clause( 246, [ ~( 'a_truth'( normal( a ) ) ) ] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 247, [ 'a_truth'( liar( a ) ) ] )
% 0.78/1.17  , clause( 146, [ ~( 'a_truth'( normal( a ) ) ) ] )
% 0.78/1.17  , 0, clause( 103, [ 'a_truth'( liar( a ) ), 'a_truth'( normal( a ) ) ] )
% 0.78/1.17  , 1, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  resolution(
% 0.78/1.17  clause( 248, [] )
% 0.78/1.17  , clause( 128, [ ~( 'a_truth'( liar( a ) ) ) ] )
% 0.78/1.17  , 0, clause( 247, [ 'a_truth'( liar( a ) ) ] )
% 0.78/1.17  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  subsumption(
% 0.78/1.17  clause( 147, [] )
% 0.78/1.17  , clause( 248, [] )
% 0.78/1.17  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  end.
% 0.78/1.17  
% 0.78/1.17  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.78/1.17  
% 0.78/1.17  Memory use:
% 0.78/1.17  
% 0.78/1.17  space for terms:        2822
% 0.78/1.17  space for clauses:      6542
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  clauses generated:      183
% 0.78/1.17  clauses kept:           148
% 0.78/1.17  clauses selected:       38
% 0.78/1.17  clauses deleted:        6
% 0.78/1.17  clauses inuse deleted:  0
% 0.78/1.17  
% 0.78/1.17  subsentry:          287
% 0.78/1.17  literals s-matched: 215
% 0.78/1.17  literals matched:   215
% 0.78/1.17  full subsumption:   117
% 0.78/1.17  
% 0.78/1.17  checksum:           551686795
% 0.78/1.17  
% 0.78/1.17  
% 0.78/1.17  Bliksem ended
%------------------------------------------------------------------------------