TSTP Solution File: PUZ031-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : PUZ031-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n029.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 0s
% DateTime : Mon Jul 18 17:58:15 EDT 2022

% Result   : Unsatisfiable 0.72s 1.08s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : PUZ031-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n029.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 : Sat May 28 22:33:13 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.72/1.08  *** allocated 10000 integers for termspace/termends
% 0.72/1.08  *** allocated 10000 integers for clauses
% 0.72/1.08  *** allocated 10000 integers for justifications
% 0.72/1.08  Bliksem 1.12
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Automatic Strategy Selection
% 0.72/1.08  
% 0.72/1.08  Clauses:
% 0.72/1.08  [
% 0.72/1.08     [ animal( X ), ~( wolf( X ) ) ],
% 0.72/1.08     [ animal( X ), ~( fox( X ) ) ],
% 0.72/1.08     [ animal( X ), ~( bird( X ) ) ],
% 0.72/1.08     [ animal( X ), ~( caterpillar( X ) ) ],
% 0.72/1.08     [ animal( X ), ~( snail( X ) ) ],
% 0.72/1.08     [ wolf( 'a_wolf' ) ],
% 0.72/1.08     [ fox( 'a_fox' ) ],
% 0.72/1.08     [ bird( 'a_bird' ) ],
% 0.72/1.08     [ caterpillar( 'a_caterpillar' ) ],
% 0.72/1.08     [ snail( 'a_snail' ) ],
% 0.72/1.08     [ grain( 'a_grain' ) ],
% 0.72/1.08     [ plant( X ), ~( grain( X ) ) ],
% 0.72/1.08     [ eats( X, Y ), eats( X, Z ), ~( animal( X ) ), ~( plant( Y ) ), ~( 
% 0.72/1.08    animal( Z ) ), ~( plant( T ) ), ~( 'much_smaller'( Z, X ) ), ~( eats( Z, 
% 0.72/1.08    T ) ) ],
% 0.72/1.08     [ 'much_smaller'( X, Y ), ~( caterpillar( X ) ), ~( bird( Y ) ) ],
% 0.72/1.08     [ 'much_smaller'( X, Y ), ~( snail( X ) ), ~( bird( Y ) ) ],
% 0.72/1.08     [ 'much_smaller'( X, Y ), ~( bird( X ) ), ~( fox( Y ) ) ],
% 0.72/1.08     [ 'much_smaller'( X, Y ), ~( fox( X ) ), ~( wolf( Y ) ) ],
% 0.72/1.08     [ ~( wolf( X ) ), ~( fox( Y ) ), ~( eats( X, Y ) ) ],
% 0.72/1.08     [ ~( wolf( X ) ), ~( grain( Y ) ), ~( eats( X, Y ) ) ],
% 0.72/1.08     [ eats( X, Y ), ~( bird( X ) ), ~( caterpillar( Y ) ) ],
% 0.72/1.08     [ ~( bird( X ) ), ~( snail( Y ) ), ~( eats( X, Y ) ) ],
% 0.72/1.08     [ plant( 'caterpillar_food_of'( X ) ), ~( caterpillar( X ) ) ],
% 0.72/1.08     [ eats( X, 'caterpillar_food_of'( X ) ), ~( caterpillar( X ) ) ],
% 0.72/1.08     [ plant( 'snail_food_of'( X ) ), ~( snail( X ) ) ],
% 0.72/1.08     [ eats( X, 'snail_food_of'( X ) ), ~( snail( X ) ) ],
% 0.72/1.08     [ ~( animal( X ) ), ~( animal( Y ) ), ~( grain( Z ) ), ~( eats( X, Y ) )
% 0.72/1.08    , ~( eats( Y, Z ) ) ]
% 0.72/1.08  ] .
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  percentage equality = 0.000000, percentage horn = 0.961538
% 0.72/1.08  This is a near-Horn, non-equality  problem
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Options Used:
% 0.72/1.08  
% 0.72/1.08  useres =            1
% 0.72/1.08  useparamod =        0
% 0.72/1.08  useeqrefl =         0
% 0.72/1.08  useeqfact =         0
% 0.72/1.08  usefactor =         1
% 0.72/1.08  usesimpsplitting =  0
% 0.72/1.08  usesimpdemod =      0
% 0.72/1.08  usesimpres =        4
% 0.72/1.08  
% 0.72/1.08  resimpinuse      =  1000
% 0.72/1.08  resimpclauses =     20000
% 0.72/1.08  substype =          standard
% 0.72/1.08  backwardsubs =      1
% 0.72/1.08  selectoldest =      5
% 0.72/1.08  
% 0.72/1.08  litorderings [0] =  split
% 0.72/1.08  litorderings [1] =  liftord
% 0.72/1.08  
% 0.72/1.08  termordering =      none
% 0.72/1.08  
% 0.72/1.08  litapriori =        1
% 0.72/1.08  termapriori =       0
% 0.72/1.08  litaposteriori =    0
% 0.72/1.08  termaposteriori =   0
% 0.72/1.08  demodaposteriori =  0
% 0.72/1.08  ordereqreflfact =   0
% 0.72/1.08  
% 0.72/1.08  litselect =         negative
% 0.72/1.08  
% 0.72/1.08  maxweight =         30000
% 0.72/1.08  maxdepth =          30000
% 0.72/1.08  maxlength =         115
% 0.72/1.08  maxnrvars =         195
% 0.72/1.08  excuselevel =       0
% 0.72/1.08  increasemaxweight = 0
% 0.72/1.08  
% 0.72/1.08  maxselected =       10000000
% 0.72/1.08  maxnrclauses =      10000000
% 0.72/1.08  
% 0.72/1.08  showgenerated =    0
% 0.72/1.08  showkept =         0
% 0.72/1.08  showselected =     0
% 0.72/1.08  showdeleted =      0
% 0.72/1.08  showresimp =       1
% 0.72/1.08  showstatus =       2000
% 0.72/1.08  
% 0.72/1.08  prologoutput =     1
% 0.72/1.08  nrgoals =          5000000
% 0.72/1.08  totalproof =       1
% 0.72/1.08  
% 0.72/1.08  Symbols occurring in the translation:
% 0.72/1.08  
% 0.72/1.08  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.08  .  [1, 2]      (w:1, o:42, a:1, s:1, b:0), 
% 0.72/1.08  !  [4, 1]      (w:1, o:27, a:1, s:1, b:0), 
% 0.72/1.08  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.08  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.08  animal  [40, 1]      (w:1, o:32, a:1, s:1, b:0), 
% 0.72/1.08  wolf  [41, 1]      (w:1, o:33, a:1, s:1, b:0), 
% 0.72/1.08  fox  [42, 1]      (w:1, o:34, a:1, s:1, b:0), 
% 0.72/1.08  bird  [43, 1]      (w:1, o:35, a:1, s:1, b:0), 
% 0.72/1.08  caterpillar  [44, 1]      (w:1, o:36, a:1, s:1, b:0), 
% 0.72/1.08  snail  [45, 1]      (w:1, o:37, a:1, s:1, b:0), 
% 0.72/1.08  'a_wolf'  [46, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.72/1.08  'a_fox'  [47, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.72/1.08  'a_bird'  [48, 0]      (w:1, o:13, a:1, s:1, b:0), 
% 0.72/1.08  'a_caterpillar'  [49, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.72/1.08  'a_snail'  [50, 0]      (w:1, o:15, a:1, s:1, b:0), 
% 0.72/1.08  'a_grain'  [51, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 0.72/1.08  grain  [52, 1]      (w:1, o:38, a:1, s:1, b:0), 
% 0.72/1.08  plant  [53, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 0.72/1.08  eats  [56, 2]      (w:1, o:67, a:1, s:1, b:0), 
% 0.72/1.08  'much_smaller'  [59, 2]      (w:1, o:68, a:1, s:1, b:0), 
% 0.72/1.08  'caterpillar_food_of'  [66, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 0.72/1.08  'snail_food_of'  [67, 1]      (w:1, o:41, a:1, s:1, b:0).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Starting Search:
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Bliksems!, er is een bewijs:
% 0.72/1.08  % SZS status Unsatisfiable
% 0.72/1.08  % SZS output start Refutation
% 0.72/1.08  
% 0.72/1.08  clause( 0, [ animal( X ), ~( wolf( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 1, [ animal( X ), ~( fox( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 2, [ animal( X ), ~( bird( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 4, [ animal( X ), ~( snail( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 5, [ wolf( 'a_wolf' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 6, [ fox( 'a_fox' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 7, [ bird( 'a_bird' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 9, [ snail( 'a_snail' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 10, [ grain( 'a_grain' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 11, [ plant( X ), ~( grain( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 12, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( Z, X )
% 0.72/1.08     ), ~( plant( T ) ), eats( X, Y ), eats( X, Z ), ~( eats( Z, T ) ), ~( 
% 0.72/1.08    animal( Z ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 14, [ ~( snail( X ) ), 'much_smaller'( X, Y ), ~( bird( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 15, [ ~( bird( X ) ), 'much_smaller'( X, Y ), ~( fox( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 16, [ ~( fox( X ) ), 'much_smaller'( X, Y ), ~( wolf( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 17, [ ~( eats( X, Y ) ), ~( fox( Y ) ), ~( wolf( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 18, [ ~( eats( X, Y ) ), ~( grain( Y ) ), ~( wolf( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 20, [ ~( eats( X, Y ) ), ~( snail( Y ) ), ~( bird( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 23, [ plant( 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 24, [ eats( X, 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 25, [ ~( animal( X ) ), ~( eats( X, Y ) ), ~( grain( Z ) ), ~( eats( 
% 0.72/1.08    Y, Z ) ), ~( animal( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 33, [ animal( 'a_wolf' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 34, [ plant( 'a_grain' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 35, [ animal( 'a_fox' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 36, [ animal( 'a_snail' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 38, [ animal( 'a_bird' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 39, [ plant( 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 41, [ ~( 'much_smaller'( 'a_bird', X ) ), ~( plant( Y ) ), ~( plant( 
% 0.72/1.08    Z ) ), eats( X, Y ), eats( X, 'a_bird' ), ~( eats( 'a_bird', Z ) ), ~( 
% 0.72/1.08    animal( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 42, [ ~( 'much_smaller'( 'a_snail', X ) ), ~( plant( Y ) ), ~( 
% 0.72/1.08    plant( Z ) ), eats( X, Y ), eats( X, 'a_snail' ), ~( eats( 'a_snail', Z )
% 0.72/1.08     ), ~( animal( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 43, [ ~( 'much_smaller'( 'a_fox', X ) ), ~( plant( Y ) ), ~( plant( 
% 0.72/1.08    Z ) ), eats( X, Y ), eats( X, 'a_fox' ), ~( eats( 'a_fox', Z ) ), ~( 
% 0.72/1.08    animal( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 61, [ eats( 'a_snail', 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 65, [ 'much_smaller'( X, 'a_bird' ), ~( snail( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 66, [ 'much_smaller'( 'a_snail', 'a_bird' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 69, [ 'much_smaller'( X, 'a_fox' ), ~( bird( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 70, [ 'much_smaller'( 'a_bird', 'a_fox' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 71, [ 'much_smaller'( X, 'a_wolf' ), ~( fox( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 72, [ ~( eats( 'a_wolf', X ) ), ~( fox( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 73, [ 'much_smaller'( 'a_fox', 'a_wolf' ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 74, [ ~( eats( 'a_wolf', 'a_fox' ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 75, [ ~( eats( 'a_wolf', X ) ), ~( grain( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 76, [ ~( eats( 'a_wolf', 'a_grain' ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 77, [ ~( eats( 'a_bird', X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 78, [ ~( eats( 'a_bird', 'a_snail' ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 80, [ ~( eats( X, 'a_bird' ) ), ~( grain( Y ) ), ~( eats( 'a_bird'
% 0.72/1.08    , Y ) ), ~( animal( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 93, [ ~( eats( 'a_fox', 'a_bird' ) ), ~( eats( 'a_bird', X ) ), ~( 
% 0.72/1.08    grain( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 108, [ ~( eats( 'a_bird', 'a_grain' ) ), ~( eats( 'a_fox', 'a_bird'
% 0.72/1.08     ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 134, [ ~( plant( X ) ), eats( 'a_fox', X ), eats( 'a_fox', 'a_bird'
% 0.72/1.08     ), ~( eats( 'a_bird', Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 140, [ eats( 'a_fox', 'a_bird' ), eats( 'a_fox', X ), ~( eats( 
% 0.72/1.08    'a_bird', X ) ), ~( plant( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 152, [ ~( plant( X ) ), eats( 'a_bird', X ), eats( 'a_bird', 
% 0.72/1.08    'a_snail' ), ~( eats( 'a_snail', Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 170, [ ~( plant( X ) ), eats( 'a_wolf', X ), eats( 'a_wolf', 
% 0.72/1.08    'a_fox' ), ~( eats( 'a_fox', Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 172, [ ~( eats( 'a_fox', X ) ), eats( 'a_wolf', X ), ~( plant( X )
% 0.72/1.08     ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 198, [ ~( eats( 'a_fox', 'a_grain' ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 205, [ eats( 'a_fox', 'a_grain' ), ~( eats( 'a_bird', 'a_grain' ) )
% 0.72/1.08     ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 206, [ ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 219, [ ~( plant( X ) ), ~( eats( 'a_snail', Y ) ), eats( 'a_bird', 
% 0.72/1.08    X ), ~( plant( Y ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 221, [ eats( 'a_bird', X ), ~( plant( X ) ) ] )
% 0.72/1.08  .
% 0.72/1.08  clause( 225, [] )
% 0.72/1.08  .
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  % SZS output end Refutation
% 0.72/1.08  found a proof!
% 0.72/1.08  
% 0.72/1.08  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.08  
% 0.72/1.08  initialclauses(
% 0.72/1.08  [ clause( 227, [ animal( X ), ~( wolf( X ) ) ] )
% 0.72/1.08  , clause( 228, [ animal( X ), ~( fox( X ) ) ] )
% 0.72/1.08  , clause( 229, [ animal( X ), ~( bird( X ) ) ] )
% 0.72/1.08  , clause( 230, [ animal( X ), ~( caterpillar( X ) ) ] )
% 0.72/1.08  , clause( 231, [ animal( X ), ~( snail( X ) ) ] )
% 0.72/1.08  , clause( 232, [ wolf( 'a_wolf' ) ] )
% 0.72/1.08  , clause( 233, [ fox( 'a_fox' ) ] )
% 0.72/1.08  , clause( 234, [ bird( 'a_bird' ) ] )
% 0.72/1.08  , clause( 235, [ caterpillar( 'a_caterpillar' ) ] )
% 0.72/1.08  , clause( 236, [ snail( 'a_snail' ) ] )
% 0.72/1.08  , clause( 237, [ grain( 'a_grain' ) ] )
% 0.72/1.08  , clause( 238, [ plant( X ), ~( grain( X ) ) ] )
% 0.72/1.08  , clause( 239, [ eats( X, Y ), eats( X, Z ), ~( animal( X ) ), ~( plant( Y
% 0.72/1.08     ) ), ~( animal( Z ) ), ~( plant( T ) ), ~( 'much_smaller'( Z, X ) ), ~( 
% 0.72/1.08    eats( Z, T ) ) ] )
% 0.72/1.08  , clause( 240, [ 'much_smaller'( X, Y ), ~( caterpillar( X ) ), ~( bird( Y
% 0.72/1.08     ) ) ] )
% 0.72/1.08  , clause( 241, [ 'much_smaller'( X, Y ), ~( snail( X ) ), ~( bird( Y ) ) ]
% 0.72/1.08     )
% 0.72/1.08  , clause( 242, [ 'much_smaller'( X, Y ), ~( bird( X ) ), ~( fox( Y ) ) ] )
% 0.72/1.08  , clause( 243, [ 'much_smaller'( X, Y ), ~( fox( X ) ), ~( wolf( Y ) ) ] )
% 0.72/1.08  , clause( 244, [ ~( wolf( X ) ), ~( fox( Y ) ), ~( eats( X, Y ) ) ] )
% 0.72/1.08  , clause( 245, [ ~( wolf( X ) ), ~( grain( Y ) ), ~( eats( X, Y ) ) ] )
% 0.72/1.08  , clause( 246, [ eats( X, Y ), ~( bird( X ) ), ~( caterpillar( Y ) ) ] )
% 0.72/1.08  , clause( 247, [ ~( bird( X ) ), ~( snail( Y ) ), ~( eats( X, Y ) ) ] )
% 0.72/1.08  , clause( 248, [ plant( 'caterpillar_food_of'( X ) ), ~( caterpillar( X ) )
% 0.72/1.08     ] )
% 0.72/1.08  , clause( 249, [ eats( X, 'caterpillar_food_of'( X ) ), ~( caterpillar( X )
% 0.72/1.08     ) ] )
% 0.72/1.08  , clause( 250, [ plant( 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , clause( 251, [ eats( X, 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , clause( 252, [ ~( animal( X ) ), ~( animal( Y ) ), ~( grain( Z ) ), ~( 
% 0.72/1.08    eats( X, Y ) ), ~( eats( Y, Z ) ) ] )
% 0.72/1.08  ] ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 0, [ animal( X ), ~( wolf( X ) ) ] )
% 0.72/1.08  , clause( 227, [ animal( X ), ~( wolf( X ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 1, [ animal( X ), ~( fox( X ) ) ] )
% 0.72/1.08  , clause( 228, [ animal( X ), ~( fox( X ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 2, [ animal( X ), ~( bird( X ) ) ] )
% 0.72/1.08  , clause( 229, [ animal( X ), ~( bird( X ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 4, [ animal( X ), ~( snail( X ) ) ] )
% 0.72/1.08  , clause( 231, [ animal( X ), ~( snail( X ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 5, [ wolf( 'a_wolf' ) ] )
% 0.72/1.08  , clause( 232, [ wolf( 'a_wolf' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 6, [ fox( 'a_fox' ) ] )
% 0.72/1.08  , clause( 233, [ fox( 'a_fox' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 7, [ bird( 'a_bird' ) ] )
% 0.72/1.08  , clause( 234, [ bird( 'a_bird' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 9, [ snail( 'a_snail' ) ] )
% 0.72/1.08  , clause( 236, [ snail( 'a_snail' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 10, [ grain( 'a_grain' ) ] )
% 0.72/1.08  , clause( 237, [ grain( 'a_grain' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 11, [ plant( X ), ~( grain( X ) ) ] )
% 0.72/1.08  , clause( 238, [ plant( X ), ~( grain( X ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 12, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( Z, X )
% 0.72/1.08     ), ~( plant( T ) ), eats( X, Y ), eats( X, Z ), ~( eats( Z, T ) ), ~( 
% 0.72/1.08    animal( Z ) ) ] )
% 0.72/1.08  , clause( 239, [ eats( X, Y ), eats( X, Z ), ~( animal( X ) ), ~( plant( Y
% 0.72/1.08     ) ), ~( animal( Z ) ), ~( plant( T ) ), ~( 'much_smaller'( Z, X ) ), ~( 
% 0.72/1.08    eats( Z, T ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 0.72/1.08    permutation( 0, [ ==>( 0, 4 ), ==>( 1, 5 ), ==>( 2, 0 ), ==>( 3, 1 ), 
% 0.72/1.08    ==>( 4, 7 ), ==>( 5, 3 ), ==>( 6, 2 ), ==>( 7, 6 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 14, [ ~( snail( X ) ), 'much_smaller'( X, Y ), ~( bird( Y ) ) ] )
% 0.72/1.08  , clause( 241, [ 'much_smaller'( X, Y ), ~( snail( X ) ), ~( bird( Y ) ) ]
% 0.72/1.08     )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.72/1.08     ), ==>( 1, 0 ), ==>( 2, 2 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 15, [ ~( bird( X ) ), 'much_smaller'( X, Y ), ~( fox( Y ) ) ] )
% 0.72/1.08  , clause( 242, [ 'much_smaller'( X, Y ), ~( bird( X ) ), ~( fox( Y ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.72/1.08     ), ==>( 1, 0 ), ==>( 2, 2 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 16, [ ~( fox( X ) ), 'much_smaller'( X, Y ), ~( wolf( Y ) ) ] )
% 0.72/1.08  , clause( 243, [ 'much_smaller'( X, Y ), ~( fox( X ) ), ~( wolf( Y ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 0.72/1.08     ), ==>( 1, 0 ), ==>( 2, 2 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 17, [ ~( eats( X, Y ) ), ~( fox( Y ) ), ~( wolf( X ) ) ] )
% 0.72/1.08  , clause( 244, [ ~( wolf( X ) ), ~( fox( Y ) ), ~( eats( X, Y ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 2
% 0.72/1.08     ), ==>( 1, 1 ), ==>( 2, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 18, [ ~( eats( X, Y ) ), ~( grain( Y ) ), ~( wolf( X ) ) ] )
% 0.72/1.08  , clause( 245, [ ~( wolf( X ) ), ~( grain( Y ) ), ~( eats( X, Y ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 2
% 0.72/1.08     ), ==>( 1, 1 ), ==>( 2, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 20, [ ~( eats( X, Y ) ), ~( snail( Y ) ), ~( bird( X ) ) ] )
% 0.72/1.08  , clause( 247, [ ~( bird( X ) ), ~( snail( Y ) ), ~( eats( X, Y ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 2
% 0.72/1.08     ), ==>( 1, 1 ), ==>( 2, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 23, [ plant( 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , clause( 250, [ plant( 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 24, [ eats( X, 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , clause( 251, [ eats( X, 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.08    1 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 25, [ ~( animal( X ) ), ~( eats( X, Y ) ), ~( grain( Z ) ), ~( eats( 
% 0.72/1.08    Y, Z ) ), ~( animal( Y ) ) ] )
% 0.72/1.08  , clause( 252, [ ~( animal( X ) ), ~( animal( Y ) ), ~( grain( Z ) ), ~( 
% 0.72/1.08    eats( X, Y ) ), ~( eats( Y, Z ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.72/1.08    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 4 ), ==>( 2, 2 ), ==>( 3, 1 ), 
% 0.72/1.08    ==>( 4, 3 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 326, [ animal( 'a_wolf' ) ] )
% 0.72/1.08  , clause( 0, [ animal( X ), ~( wolf( X ) ) ] )
% 0.72/1.08  , 1, clause( 5, [ wolf( 'a_wolf' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_wolf' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 33, [ animal( 'a_wolf' ) ] )
% 0.72/1.08  , clause( 326, [ animal( 'a_wolf' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 327, [ plant( 'a_grain' ) ] )
% 0.72/1.08  , clause( 11, [ plant( X ), ~( grain( X ) ) ] )
% 0.72/1.08  , 1, clause( 10, [ grain( 'a_grain' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_grain' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 34, [ plant( 'a_grain' ) ] )
% 0.72/1.08  , clause( 327, [ plant( 'a_grain' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 328, [ animal( 'a_fox' ) ] )
% 0.72/1.08  , clause( 1, [ animal( X ), ~( fox( X ) ) ] )
% 0.72/1.08  , 1, clause( 6, [ fox( 'a_fox' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_fox' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 35, [ animal( 'a_fox' ) ] )
% 0.72/1.08  , clause( 328, [ animal( 'a_fox' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 329, [ animal( 'a_snail' ) ] )
% 0.72/1.08  , clause( 4, [ animal( X ), ~( snail( X ) ) ] )
% 0.72/1.08  , 1, clause( 9, [ snail( 'a_snail' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_snail' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 36, [ animal( 'a_snail' ) ] )
% 0.72/1.08  , clause( 329, [ animal( 'a_snail' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 330, [ animal( 'a_bird' ) ] )
% 0.72/1.08  , clause( 2, [ animal( X ), ~( bird( X ) ) ] )
% 0.72/1.08  , 1, clause( 7, [ bird( 'a_bird' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_bird' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 38, [ animal( 'a_bird' ) ] )
% 0.72/1.08  , clause( 330, [ animal( 'a_bird' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 331, [ plant( 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  , clause( 23, [ plant( 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , 1, clause( 9, [ snail( 'a_snail' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_snail' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 39, [ plant( 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  , clause( 331, [ plant( 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 333, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( 
% 0.72/1.08    'a_bird', X ) ), ~( plant( Z ) ), eats( X, Y ), eats( X, 'a_bird' ), ~( 
% 0.72/1.08    eats( 'a_bird', Z ) ) ] )
% 0.72/1.08  , clause( 12, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( Z, X
% 0.72/1.08     ) ), ~( plant( T ) ), eats( X, Y ), eats( X, Z ), ~( eats( Z, T ) ), ~( 
% 0.72/1.08    animal( Z ) ) ] )
% 0.72/1.08  , 7, clause( 38, [ animal( 'a_bird' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, 'a_bird' ), :=( T, Z
% 0.72/1.08     )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 41, [ ~( 'much_smaller'( 'a_bird', X ) ), ~( plant( Y ) ), ~( plant( 
% 0.72/1.08    Z ) ), eats( X, Y ), eats( X, 'a_bird' ), ~( eats( 'a_bird', Z ) ), ~( 
% 0.72/1.08    animal( X ) ) ] )
% 0.72/1.08  , clause( 333, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( 
% 0.72/1.08    'a_bird', X ) ), ~( plant( Z ) ), eats( X, Y ), eats( X, 'a_bird' ), ~( 
% 0.72/1.08    eats( 'a_bird', Z ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.72/1.08    permutation( 0, [ ==>( 0, 6 ), ==>( 1, 1 ), ==>( 2, 0 ), ==>( 3, 2 ), 
% 0.72/1.08    ==>( 4, 3 ), ==>( 5, 4 ), ==>( 6, 5 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 341, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( 
% 0.72/1.08    'a_snail', X ) ), ~( plant( Z ) ), eats( X, Y ), eats( X, 'a_snail' ), 
% 0.72/1.08    ~( eats( 'a_snail', Z ) ) ] )
% 0.72/1.08  , clause( 12, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( Z, X
% 0.72/1.08     ) ), ~( plant( T ) ), eats( X, Y ), eats( X, Z ), ~( eats( Z, T ) ), ~( 
% 0.72/1.08    animal( Z ) ) ] )
% 0.72/1.08  , 7, clause( 36, [ animal( 'a_snail' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, 'a_snail' ), :=( T, 
% 0.72/1.08    Z )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 42, [ ~( 'much_smaller'( 'a_snail', X ) ), ~( plant( Y ) ), ~( 
% 0.72/1.08    plant( Z ) ), eats( X, Y ), eats( X, 'a_snail' ), ~( eats( 'a_snail', Z )
% 0.72/1.08     ), ~( animal( X ) ) ] )
% 0.72/1.08  , clause( 341, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( 
% 0.72/1.08    'a_snail', X ) ), ~( plant( Z ) ), eats( X, Y ), eats( X, 'a_snail' ), 
% 0.72/1.08    ~( eats( 'a_snail', Z ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.72/1.08    permutation( 0, [ ==>( 0, 6 ), ==>( 1, 1 ), ==>( 2, 0 ), ==>( 3, 2 ), 
% 0.72/1.08    ==>( 4, 3 ), ==>( 5, 4 ), ==>( 6, 5 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 349, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( 
% 0.72/1.08    'a_fox', X ) ), ~( plant( Z ) ), eats( X, Y ), eats( X, 'a_fox' ), ~( 
% 0.72/1.08    eats( 'a_fox', Z ) ) ] )
% 0.72/1.08  , clause( 12, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( Z, X
% 0.72/1.08     ) ), ~( plant( T ) ), eats( X, Y ), eats( X, Z ), ~( eats( Z, T ) ), ~( 
% 0.72/1.08    animal( Z ) ) ] )
% 0.72/1.08  , 7, clause( 35, [ animal( 'a_fox' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, 'a_fox' ), :=( T, Z
% 0.72/1.08     )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 43, [ ~( 'much_smaller'( 'a_fox', X ) ), ~( plant( Y ) ), ~( plant( 
% 0.72/1.08    Z ) ), eats( X, Y ), eats( X, 'a_fox' ), ~( eats( 'a_fox', Z ) ), ~( 
% 0.72/1.08    animal( X ) ) ] )
% 0.72/1.08  , clause( 349, [ ~( animal( X ) ), ~( plant( Y ) ), ~( 'much_smaller'( 
% 0.72/1.08    'a_fox', X ) ), ~( plant( Z ) ), eats( X, Y ), eats( X, 'a_fox' ), ~( 
% 0.72/1.08    eats( 'a_fox', Z ) ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 0.72/1.08    permutation( 0, [ ==>( 0, 6 ), ==>( 1, 1 ), ==>( 2, 0 ), ==>( 3, 2 ), 
% 0.72/1.08    ==>( 4, 3 ), ==>( 5, 4 ), ==>( 6, 5 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 356, [ eats( 'a_snail', 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  , clause( 24, [ eats( X, 'snail_food_of'( X ) ), ~( snail( X ) ) ] )
% 0.72/1.08  , 1, clause( 9, [ snail( 'a_snail' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_snail' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 61, [ eats( 'a_snail', 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  , clause( 356, [ eats( 'a_snail', 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 357, [ ~( snail( X ) ), 'much_smaller'( X, 'a_bird' ) ] )
% 0.72/1.08  , clause( 14, [ ~( snail( X ) ), 'much_smaller'( X, Y ), ~( bird( Y ) ) ]
% 0.72/1.08     )
% 0.72/1.08  , 2, clause( 7, [ bird( 'a_bird' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'a_bird' )] ), substitution( 1
% 0.72/1.08    , [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 65, [ 'much_smaller'( X, 'a_bird' ), ~( snail( X ) ) ] )
% 0.72/1.08  , clause( 357, [ ~( snail( X ) ), 'much_smaller'( X, 'a_bird' ) ] )
% 0.72/1.08  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.08    0 )] ) ).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  resolution(
% 0.72/1.08  clause( 358, [ 'much_smaller'( 'a_snail', 'a_bird' ) ] )
% 0.72/1.08  , clause( 65, [ 'much_smaller'( X, 'a_bird' ), ~( snail( X ) ) ] )
% 0.72/1.08  , 1, clause( 9, [ snail( 'a_snail' ) ] )
% 0.72/1.08  , 0, substitution( 0, [ :=( X, 'a_snail' )] ), substitution( 1, [] )).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  subsumption(
% 0.72/1.08  clause( 66, [ 'much_smaller'( 'a_snail', 'a_bird' ) ] )
% 0.72/1.08  , clause( 358, [ 'much_smaller'( 'a_snail', 'a_bird' ) ] )
% 0.72/1.08  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 359, [ ~( bird( X ) ), 'much_smaller'( X, 'a_fox' ) ] )
% 0.72/1.09  , clause( 15, [ ~( bird( X ) ), 'much_smaller'( X, Y ), ~( fox( Y ) ) ] )
% 0.72/1.09  , 2, clause( 6, [ fox( 'a_fox' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'a_fox' )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 69, [ 'much_smaller'( X, 'a_fox' ), ~( bird( X ) ) ] )
% 0.72/1.09  , clause( 359, [ ~( bird( X ) ), 'much_smaller'( X, 'a_fox' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 360, [ 'much_smaller'( 'a_bird', 'a_fox' ) ] )
% 0.72/1.09  , clause( 69, [ 'much_smaller'( X, 'a_fox' ), ~( bird( X ) ) ] )
% 0.72/1.09  , 1, clause( 7, [ bird( 'a_bird' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_bird' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 70, [ 'much_smaller'( 'a_bird', 'a_fox' ) ] )
% 0.72/1.09  , clause( 360, [ 'much_smaller'( 'a_bird', 'a_fox' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 361, [ ~( fox( X ) ), 'much_smaller'( X, 'a_wolf' ) ] )
% 0.72/1.09  , clause( 16, [ ~( fox( X ) ), 'much_smaller'( X, Y ), ~( wolf( Y ) ) ] )
% 0.72/1.09  , 2, clause( 5, [ wolf( 'a_wolf' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'a_wolf' )] ), substitution( 1
% 0.72/1.09    , [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 71, [ 'much_smaller'( X, 'a_wolf' ), ~( fox( X ) ) ] )
% 0.72/1.09  , clause( 361, [ ~( fox( X ) ), 'much_smaller'( X, 'a_wolf' ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 362, [ ~( eats( 'a_wolf', X ) ), ~( fox( X ) ) ] )
% 0.72/1.09  , clause( 17, [ ~( eats( X, Y ) ), ~( fox( Y ) ), ~( wolf( X ) ) ] )
% 0.72/1.09  , 2, clause( 5, [ wolf( 'a_wolf' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_wolf' ), :=( Y, X )] ), substitution( 1
% 0.72/1.09    , [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 72, [ ~( eats( 'a_wolf', X ) ), ~( fox( X ) ) ] )
% 0.72/1.09  , clause( 362, [ ~( eats( 'a_wolf', X ) ), ~( fox( X ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.09    1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 363, [ 'much_smaller'( 'a_fox', 'a_wolf' ) ] )
% 0.72/1.09  , clause( 71, [ 'much_smaller'( X, 'a_wolf' ), ~( fox( X ) ) ] )
% 0.72/1.09  , 1, clause( 6, [ fox( 'a_fox' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_fox' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 73, [ 'much_smaller'( 'a_fox', 'a_wolf' ) ] )
% 0.72/1.09  , clause( 363, [ 'much_smaller'( 'a_fox', 'a_wolf' ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 364, [ ~( eats( 'a_wolf', 'a_fox' ) ) ] )
% 0.72/1.09  , clause( 72, [ ~( eats( 'a_wolf', X ) ), ~( fox( X ) ) ] )
% 0.72/1.09  , 1, clause( 6, [ fox( 'a_fox' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_fox' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 74, [ ~( eats( 'a_wolf', 'a_fox' ) ) ] )
% 0.72/1.09  , clause( 364, [ ~( eats( 'a_wolf', 'a_fox' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 365, [ ~( eats( 'a_wolf', X ) ), ~( grain( X ) ) ] )
% 0.72/1.09  , clause( 18, [ ~( eats( X, Y ) ), ~( grain( Y ) ), ~( wolf( X ) ) ] )
% 0.72/1.09  , 2, clause( 5, [ wolf( 'a_wolf' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_wolf' ), :=( Y, X )] ), substitution( 1
% 0.72/1.09    , [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 75, [ ~( eats( 'a_wolf', X ) ), ~( grain( X ) ) ] )
% 0.72/1.09  , clause( 365, [ ~( eats( 'a_wolf', X ) ), ~( grain( X ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.09    1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 366, [ ~( eats( 'a_wolf', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 75, [ ~( eats( 'a_wolf', X ) ), ~( grain( X ) ) ] )
% 0.72/1.09  , 1, clause( 10, [ grain( 'a_grain' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_grain' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 76, [ ~( eats( 'a_wolf', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 366, [ ~( eats( 'a_wolf', 'a_grain' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 367, [ ~( eats( 'a_bird', X ) ), ~( snail( X ) ) ] )
% 0.72/1.09  , clause( 20, [ ~( eats( X, Y ) ), ~( snail( Y ) ), ~( bird( X ) ) ] )
% 0.72/1.09  , 2, clause( 7, [ bird( 'a_bird' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_bird' ), :=( Y, X )] ), substitution( 1
% 0.72/1.09    , [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 77, [ ~( eats( 'a_bird', X ) ), ~( snail( X ) ) ] )
% 0.72/1.09  , clause( 367, [ ~( eats( 'a_bird', X ) ), ~( snail( X ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.09    1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 368, [ ~( eats( 'a_bird', 'a_snail' ) ) ] )
% 0.72/1.09  , clause( 77, [ ~( eats( 'a_bird', X ) ), ~( snail( X ) ) ] )
% 0.72/1.09  , 1, clause( 9, [ snail( 'a_snail' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_snail' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 78, [ ~( eats( 'a_bird', 'a_snail' ) ) ] )
% 0.72/1.09  , clause( 368, [ ~( eats( 'a_bird', 'a_snail' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 370, [ ~( animal( X ) ), ~( eats( X, 'a_bird' ) ), ~( grain( Y ) )
% 0.72/1.09    , ~( eats( 'a_bird', Y ) ) ] )
% 0.72/1.09  , clause( 25, [ ~( animal( X ) ), ~( eats( X, Y ) ), ~( grain( Z ) ), ~( 
% 0.72/1.09    eats( Y, Z ) ), ~( animal( Y ) ) ] )
% 0.72/1.09  , 4, clause( 38, [ animal( 'a_bird' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'a_bird' ), :=( Z, Y )] ), 
% 0.72/1.09    substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 80, [ ~( eats( X, 'a_bird' ) ), ~( grain( Y ) ), ~( eats( 'a_bird'
% 0.72/1.09    , Y ) ), ~( animal( X ) ) ] )
% 0.72/1.09  , clause( 370, [ ~( animal( X ) ), ~( eats( X, 'a_bird' ) ), ~( grain( Y )
% 0.72/1.09     ), ~( eats( 'a_bird', Y ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 3
% 0.72/1.09     ), ==>( 1, 0 ), ==>( 2, 1 ), ==>( 3, 2 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 372, [ ~( eats( 'a_fox', 'a_bird' ) ), ~( grain( X ) ), ~( eats( 
% 0.72/1.09    'a_bird', X ) ) ] )
% 0.72/1.09  , clause( 80, [ ~( eats( X, 'a_bird' ) ), ~( grain( Y ) ), ~( eats( 
% 0.72/1.09    'a_bird', Y ) ), ~( animal( X ) ) ] )
% 0.72/1.09  , 3, clause( 35, [ animal( 'a_fox' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_fox' ), :=( Y, X )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 93, [ ~( eats( 'a_fox', 'a_bird' ) ), ~( eats( 'a_bird', X ) ), ~( 
% 0.72/1.09    grain( X ) ) ] )
% 0.72/1.09  , clause( 372, [ ~( eats( 'a_fox', 'a_bird' ) ), ~( grain( X ) ), ~( eats( 
% 0.72/1.09    'a_bird', X ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 0.72/1.09    2 ), ==>( 2, 1 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 373, [ ~( eats( 'a_fox', 'a_bird' ) ), ~( eats( 'a_bird', 'a_grain'
% 0.72/1.09     ) ) ] )
% 0.72/1.09  , clause( 93, [ ~( eats( 'a_fox', 'a_bird' ) ), ~( eats( 'a_bird', X ) ), 
% 0.72/1.09    ~( grain( X ) ) ] )
% 0.72/1.09  , 2, clause( 10, [ grain( 'a_grain' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_grain' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 108, [ ~( eats( 'a_bird', 'a_grain' ) ), ~( eats( 'a_fox', 'a_bird'
% 0.72/1.09     ) ) ] )
% 0.72/1.09  , clause( 373, [ ~( eats( 'a_fox', 'a_bird' ) ), ~( eats( 'a_bird', 
% 0.72/1.09    'a_grain' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.72/1.09     ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 374, [ ~( 'much_smaller'( 'a_bird', 'a_fox' ) ), ~( plant( X ) ), 
% 0.72/1.09    ~( plant( Y ) ), eats( 'a_fox', X ), eats( 'a_fox', 'a_bird' ), ~( eats( 
% 0.72/1.09    'a_bird', Y ) ) ] )
% 0.72/1.09  , clause( 41, [ ~( 'much_smaller'( 'a_bird', X ) ), ~( plant( Y ) ), ~( 
% 0.72/1.09    plant( Z ) ), eats( X, Y ), eats( X, 'a_bird' ), ~( eats( 'a_bird', Z ) )
% 0.72/1.09    , ~( animal( X ) ) ] )
% 0.72/1.09  , 6, clause( 35, [ animal( 'a_fox' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_fox' ), :=( Y, X ), :=( Z, Y )] ), 
% 0.72/1.09    substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 383, [ ~( plant( X ) ), ~( plant( Y ) ), eats( 'a_fox', X ), eats( 
% 0.72/1.09    'a_fox', 'a_bird' ), ~( eats( 'a_bird', Y ) ) ] )
% 0.72/1.09  , clause( 374, [ ~( 'much_smaller'( 'a_bird', 'a_fox' ) ), ~( plant( X ) )
% 0.72/1.09    , ~( plant( Y ) ), eats( 'a_fox', X ), eats( 'a_fox', 'a_bird' ), ~( eats( 
% 0.72/1.09    'a_bird', Y ) ) ] )
% 0.72/1.09  , 0, clause( 70, [ 'much_smaller'( 'a_bird', 'a_fox' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 134, [ ~( plant( X ) ), eats( 'a_fox', X ), eats( 'a_fox', 'a_bird'
% 0.72/1.09     ), ~( eats( 'a_bird', Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.09  , clause( 383, [ ~( plant( X ) ), ~( plant( Y ) ), eats( 'a_fox', X ), eats( 
% 0.72/1.09    'a_fox', 'a_bird' ), ~( eats( 'a_bird', Y ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.09     ), ==>( 1, 4 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  factor(
% 0.72/1.09  clause( 387, [ ~( plant( X ) ), eats( 'a_fox', X ), eats( 'a_fox', 'a_bird'
% 0.72/1.09     ), ~( eats( 'a_bird', X ) ) ] )
% 0.72/1.09  , clause( 134, [ ~( plant( X ) ), eats( 'a_fox', X ), eats( 'a_fox', 
% 0.72/1.09    'a_bird' ), ~( eats( 'a_bird', Y ) ), ~( plant( 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( 140, [ eats( 'a_fox', 'a_bird' ), eats( 'a_fox', X ), ~( eats( 
% 0.72/1.09    'a_bird', X ) ), ~( plant( X ) ) ] )
% 0.72/1.09  , clause( 387, [ ~( plant( X ) ), eats( 'a_fox', X ), eats( 'a_fox', 
% 0.72/1.09    'a_bird' ), ~( eats( 'a_bird', X ) ) ] )
% 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( 390, [ ~( 'much_smaller'( 'a_snail', 'a_bird' ) ), ~( plant( X ) )
% 0.72/1.09    , ~( plant( Y ) ), eats( 'a_bird', X ), eats( 'a_bird', 'a_snail' ), ~( 
% 0.72/1.09    eats( 'a_snail', Y ) ) ] )
% 0.72/1.09  , clause( 42, [ ~( 'much_smaller'( 'a_snail', X ) ), ~( plant( Y ) ), ~( 
% 0.72/1.09    plant( Z ) ), eats( X, Y ), eats( X, 'a_snail' ), ~( eats( 'a_snail', Z )
% 0.72/1.09     ), ~( animal( X ) ) ] )
% 0.72/1.09  , 6, clause( 38, [ animal( 'a_bird' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_bird' ), :=( Y, X ), :=( Z, Y )] ), 
% 0.72/1.09    substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 399, [ ~( plant( X ) ), ~( plant( Y ) ), eats( 'a_bird', X ), eats( 
% 0.72/1.09    'a_bird', 'a_snail' ), ~( eats( 'a_snail', Y ) ) ] )
% 0.72/1.09  , clause( 390, [ ~( 'much_smaller'( 'a_snail', 'a_bird' ) ), ~( plant( X )
% 0.72/1.09     ), ~( plant( Y ) ), eats( 'a_bird', X ), eats( 'a_bird', 'a_snail' ), 
% 0.72/1.09    ~( eats( 'a_snail', Y ) ) ] )
% 0.72/1.09  , 0, clause( 66, [ 'much_smaller'( 'a_snail', 'a_bird' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 152, [ ~( plant( X ) ), eats( 'a_bird', X ), eats( 'a_bird', 
% 0.72/1.09    'a_snail' ), ~( eats( 'a_snail', Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.09  , clause( 399, [ ~( plant( X ) ), ~( plant( Y ) ), eats( 'a_bird', X ), 
% 0.72/1.09    eats( 'a_bird', 'a_snail' ), ~( eats( 'a_snail', Y ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.09     ), ==>( 1, 4 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 403, [ ~( 'much_smaller'( 'a_fox', 'a_wolf' ) ), ~( plant( X ) ), 
% 0.72/1.09    ~( plant( Y ) ), eats( 'a_wolf', X ), eats( 'a_wolf', 'a_fox' ), ~( eats( 
% 0.72/1.09    'a_fox', Y ) ) ] )
% 0.72/1.09  , clause( 43, [ ~( 'much_smaller'( 'a_fox', X ) ), ~( plant( Y ) ), ~( 
% 0.72/1.09    plant( Z ) ), eats( X, Y ), eats( X, 'a_fox' ), ~( eats( 'a_fox', Z ) ), 
% 0.72/1.09    ~( animal( X ) ) ] )
% 0.72/1.09  , 6, clause( 33, [ animal( 'a_wolf' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_wolf' ), :=( Y, X ), :=( Z, Y )] ), 
% 0.72/1.09    substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 412, [ ~( plant( X ) ), ~( plant( Y ) ), eats( 'a_wolf', X ), eats( 
% 0.72/1.09    'a_wolf', 'a_fox' ), ~( eats( 'a_fox', Y ) ) ] )
% 0.72/1.09  , clause( 403, [ ~( 'much_smaller'( 'a_fox', 'a_wolf' ) ), ~( plant( X ) )
% 0.72/1.09    , ~( plant( Y ) ), eats( 'a_wolf', X ), eats( 'a_wolf', 'a_fox' ), ~( 
% 0.72/1.09    eats( 'a_fox', Y ) ) ] )
% 0.72/1.09  , 0, clause( 73, [ 'much_smaller'( 'a_fox', 'a_wolf' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] ), substitution( 1, [] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 170, [ ~( plant( X ) ), eats( 'a_wolf', X ), eats( 'a_wolf', 
% 0.72/1.09    'a_fox' ), ~( eats( 'a_fox', Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.09  , clause( 412, [ ~( plant( X ) ), ~( plant( Y ) ), eats( 'a_wolf', X ), 
% 0.72/1.09    eats( 'a_wolf', 'a_fox' ), ~( eats( 'a_fox', Y ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.09     ), ==>( 1, 4 ), ==>( 2, 1 ), ==>( 3, 2 ), ==>( 4, 3 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  factor(
% 0.72/1.09  clause( 416, [ ~( plant( X ) ), eats( 'a_wolf', X ), eats( 'a_wolf', 
% 0.72/1.09    'a_fox' ), ~( eats( 'a_fox', X ) ) ] )
% 0.72/1.09  , clause( 170, [ ~( plant( X ) ), eats( 'a_wolf', X ), eats( 'a_wolf', 
% 0.72/1.09    'a_fox' ), ~( eats( 'a_fox', Y ) ), ~( plant( 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  resolution(
% 0.72/1.09  clause( 419, [ ~( plant( X ) ), eats( 'a_wolf', X ), ~( eats( 'a_fox', X )
% 0.72/1.09     ) ] )
% 0.72/1.09  , clause( 74, [ ~( eats( 'a_wolf', 'a_fox' ) ) ] )
% 0.72/1.09  , 0, clause( 416, [ ~( plant( X ) ), eats( 'a_wolf', X ), eats( 'a_wolf', 
% 0.72/1.09    'a_fox' ), ~( eats( 'a_fox', X ) ) ] )
% 0.72/1.09  , 2, substitution( 0, [] ), substitution( 1, [ :=( X, X )] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 172, [ ~( eats( 'a_fox', X ) ), eats( 'a_wolf', X ), ~( plant( X )
% 0.72/1.09     ) ] )
% 0.72/1.09  , clause( 419, [ ~( plant( X ) ), eats( 'a_wolf', X ), ~( eats( 'a_fox', X
% 0.72/1.09     ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 0.72/1.09    1 ), ==>( 2, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 420, [ ~( eats( 'a_fox', 'a_grain' ) ), eats( 'a_wolf', 'a_grain' )
% 0.72/1.09     ] )
% 0.72/1.09  , clause( 172, [ ~( eats( 'a_fox', X ) ), eats( 'a_wolf', X ), ~( plant( X
% 0.72/1.09     ) ) ] )
% 0.72/1.09  , 2, clause( 34, [ plant( 'a_grain' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_grain' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 421, [ ~( eats( 'a_fox', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 76, [ ~( eats( 'a_wolf', 'a_grain' ) ) ] )
% 0.72/1.09  , 0, clause( 420, [ ~( eats( 'a_fox', 'a_grain' ) ), eats( 'a_wolf', 
% 0.72/1.09    'a_grain' ) ] )
% 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( 198, [ ~( eats( 'a_fox', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 421, [ ~( eats( 'a_fox', 'a_grain' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 422, [ eats( 'a_fox', 'a_bird' ), eats( 'a_fox', 'a_grain' ), ~( 
% 0.72/1.09    eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 140, [ eats( 'a_fox', 'a_bird' ), eats( 'a_fox', X ), ~( eats( 
% 0.72/1.09    'a_bird', X ) ), ~( plant( X ) ) ] )
% 0.72/1.09  , 3, clause( 34, [ plant( 'a_grain' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_grain' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 423, [ ~( eats( 'a_bird', 'a_grain' ) ), eats( 'a_fox', 'a_grain' )
% 0.72/1.09    , ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 108, [ ~( eats( 'a_bird', 'a_grain' ) ), ~( eats( 'a_fox', 
% 0.72/1.09    'a_bird' ) ) ] )
% 0.72/1.09  , 1, clause( 422, [ eats( 'a_fox', 'a_bird' ), eats( 'a_fox', 'a_grain' ), 
% 0.72/1.09    ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  factor(
% 0.72/1.09  clause( 424, [ ~( eats( 'a_bird', 'a_grain' ) ), eats( 'a_fox', 'a_grain' )
% 0.72/1.09     ] )
% 0.72/1.09  , clause( 423, [ ~( eats( 'a_bird', 'a_grain' ) ), eats( 'a_fox', 'a_grain'
% 0.72/1.09     ), ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , 0, 2, substitution( 0, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 205, [ eats( 'a_fox', 'a_grain' ), ~( eats( 'a_bird', 'a_grain' ) )
% 0.72/1.09     ] )
% 0.72/1.09  , clause( 424, [ ~( eats( 'a_bird', 'a_grain' ) ), eats( 'a_fox', 'a_grain'
% 0.72/1.09     ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 0.72/1.09     ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 425, [ ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 198, [ ~( eats( 'a_fox', 'a_grain' ) ) ] )
% 0.72/1.09  , 0, clause( 205, [ eats( 'a_fox', 'a_grain' ), ~( eats( 'a_bird', 
% 0.72/1.09    'a_grain' ) ) ] )
% 0.72/1.09  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 206, [ ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , clause( 425, [ ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 433, [ ~( plant( X ) ), eats( 'a_bird', X ), ~( eats( 'a_snail', Y
% 0.72/1.09     ) ), ~( plant( Y ) ) ] )
% 0.72/1.09  , clause( 78, [ ~( eats( 'a_bird', 'a_snail' ) ) ] )
% 0.72/1.09  , 0, clause( 152, [ ~( plant( X ) ), eats( 'a_bird', X ), eats( 'a_bird', 
% 0.72/1.09    'a_snail' ), ~( eats( 'a_snail', Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.09  , 2, substitution( 0, [] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )
% 0.72/1.09    ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 219, [ ~( plant( X ) ), ~( eats( 'a_snail', Y ) ), eats( 'a_bird', 
% 0.72/1.09    X ), ~( plant( Y ) ) ] )
% 0.72/1.09  , clause( 433, [ ~( plant( X ) ), eats( 'a_bird', X ), ~( eats( 'a_snail', 
% 0.72/1.09    Y ) ), ~( plant( Y ) ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 0.72/1.09     ), ==>( 1, 2 ), ==>( 2, 1 ), ==>( 3, 3 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 436, [ ~( plant( X ) ), ~( eats( 'a_snail', 'snail_food_of'( 
% 0.72/1.09    'a_snail' ) ) ), eats( 'a_bird', X ) ] )
% 0.72/1.09  , clause( 219, [ ~( plant( X ) ), ~( eats( 'a_snail', Y ) ), eats( 'a_bird'
% 0.72/1.09    , X ), ~( plant( Y ) ) ] )
% 0.72/1.09  , 3, clause( 39, [ plant( 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X ), :=( Y, 'snail_food_of'( 'a_snail' ) )] )
% 0.72/1.09    , substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 437, [ ~( plant( X ) ), eats( 'a_bird', X ) ] )
% 0.72/1.09  , clause( 436, [ ~( plant( X ) ), ~( eats( 'a_snail', 'snail_food_of'( 
% 0.72/1.09    'a_snail' ) ) ), eats( 'a_bird', X ) ] )
% 0.72/1.09  , 1, clause( 61, [ eats( 'a_snail', 'snail_food_of'( 'a_snail' ) ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, X )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 221, [ eats( 'a_bird', X ), ~( plant( X ) ) ] )
% 0.72/1.09  , clause( 437, [ ~( plant( X ) ), eats( 'a_bird', X ) ] )
% 0.72/1.09  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 0.72/1.09    0 )] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 438, [ eats( 'a_bird', 'a_grain' ) ] )
% 0.72/1.09  , clause( 221, [ eats( 'a_bird', X ), ~( plant( X ) ) ] )
% 0.72/1.09  , 1, clause( 34, [ plant( 'a_grain' ) ] )
% 0.72/1.09  , 0, substitution( 0, [ :=( X, 'a_grain' )] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  resolution(
% 0.72/1.09  clause( 439, [] )
% 0.72/1.09  , clause( 206, [ ~( eats( 'a_bird', 'a_grain' ) ) ] )
% 0.72/1.09  , 0, clause( 438, [ eats( 'a_bird', 'a_grain' ) ] )
% 0.72/1.09  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  subsumption(
% 0.72/1.09  clause( 225, [] )
% 0.72/1.09  , clause( 439, [] )
% 0.72/1.09  , substitution( 0, [] ), permutation( 0, [] ) ).
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  end.
% 0.72/1.09  
% 0.72/1.09  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.09  
% 0.72/1.09  Memory use:
% 0.72/1.09  
% 0.72/1.09  space for terms:        3273
% 0.72/1.09  space for clauses:      9680
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  clauses generated:      357
% 0.72/1.09  clauses kept:           226
% 0.72/1.09  clauses selected:       147
% 0.72/1.09  clauses deleted:        15
% 0.72/1.09  clauses inuse deleted:  0
% 0.72/1.09  
% 0.72/1.09  subsentry:          979
% 0.72/1.09  literals s-matched: 371
% 0.72/1.09  literals matched:   321
% 0.72/1.09  full subsumption:   154
% 0.72/1.09  
% 0.72/1.09  checksum:           1552999504
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  Bliksem ended
%------------------------------------------------------------------------------