TSTP Solution File: LCL115-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : LCL115-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n005.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 : Sun Jul 17 07:50:33 EDT 2022

% Result   : Unsatisfiable 1.45s 1.81s
% Output   : Refutation 1.45s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : LCL115-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13  % Command  : bliksem %s
% 0.12/0.34  % Computer : n005.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % DateTime : Sat Jul  2 13:11:52 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.43/1.81  *** allocated 10000 integers for termspace/termends
% 1.43/1.81  *** allocated 10000 integers for clauses
% 1.43/1.81  *** allocated 10000 integers for justifications
% 1.43/1.81  Bliksem 1.12
% 1.43/1.81  
% 1.43/1.81  
% 1.43/1.81  Automatic Strategy Selection
% 1.43/1.81  
% 1.43/1.81  Clauses:
% 1.43/1.81  [
% 1.43/1.81     [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 'is_a_theorem'( X ) ), 
% 1.43/1.81    'is_a_theorem'( Y ) ],
% 1.43/1.81     [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ],
% 1.43/1.81     [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( Y, Z ), 
% 1.43/1.81    implies( X, Z ) ) ) ) ],
% 1.43/1.81     [ 'is_a_theorem'( implies( implies( implies( X, Y ), Y ), implies( 
% 1.43/1.81    implies( Y, X ), X ) ) ) ],
% 1.43/1.81     [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), implies( Y, X
% 1.43/1.81     ) ) ) ],
% 1.43/1.81     [ ~( 'is_a_theorem'( implies( not( implies( a, b ) ), not( b ) ) ) ) ]
% 1.43/1.81  ] .
% 1.43/1.81  
% 1.43/1.81  
% 1.43/1.81  percentage equality = 0.000000, percentage horn = 1.000000
% 1.43/1.81  This is a near-Horn, non-equality  problem
% 1.43/1.81  
% 1.43/1.81  
% 1.43/1.81  Options Used:
% 1.43/1.81  
% 1.43/1.81  useres =            1
% 1.43/1.81  useparamod =        0
% 1.43/1.81  useeqrefl =         0
% 1.43/1.81  useeqfact =         0
% 1.43/1.81  usefactor =         1
% 1.43/1.81  usesimpsplitting =  0
% 1.43/1.81  usesimpdemod =      0
% 1.43/1.81  usesimpres =        4
% 1.43/1.81  
% 1.43/1.81  resimpinuse      =  1000
% 1.45/1.81  resimpclauses =     20000
% 1.45/1.81  substype =          standard
% 1.45/1.81  backwardsubs =      1
% 1.45/1.81  selectoldest =      5
% 1.45/1.81  
% 1.45/1.81  litorderings [0] =  split
% 1.45/1.81  litorderings [1] =  liftord
% 1.45/1.81  
% 1.45/1.81  termordering =      none
% 1.45/1.81  
% 1.45/1.81  litapriori =        1
% 1.45/1.81  termapriori =       0
% 1.45/1.81  litaposteriori =    0
% 1.45/1.81  termaposteriori =   0
% 1.45/1.81  demodaposteriori =  0
% 1.45/1.81  ordereqreflfact =   0
% 1.45/1.81  
% 1.45/1.81  litselect =         negative
% 1.45/1.81  
% 1.45/1.81  maxweight =         30000
% 1.45/1.81  maxdepth =          30000
% 1.45/1.81  maxlength =         115
% 1.45/1.81  maxnrvars =         195
% 1.45/1.81  excuselevel =       0
% 1.45/1.81  increasemaxweight = 0
% 1.45/1.81  
% 1.45/1.81  maxselected =       10000000
% 1.45/1.81  maxnrclauses =      10000000
% 1.45/1.81  
% 1.45/1.81  showgenerated =    0
% 1.45/1.81  showkept =         0
% 1.45/1.81  showselected =     0
% 1.45/1.81  showdeleted =      0
% 1.45/1.81  showresimp =       1
% 1.45/1.81  showstatus =       2000
% 1.45/1.81  
% 1.45/1.81  prologoutput =     1
% 1.45/1.81  nrgoals =          5000000
% 1.45/1.81  totalproof =       1
% 1.45/1.81  
% 1.45/1.81  Symbols occurring in the translation:
% 1.45/1.81  
% 1.45/1.81  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 1.45/1.81  .  [1, 2]      (w:1, o:21, a:1, s:1, b:0), 
% 1.45/1.81  !  [4, 1]      (w:1, o:14, a:1, s:1, b:0), 
% 1.45/1.81  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.45/1.81  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.45/1.81  implies  [41, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 1.45/1.81  'is_a_theorem'  [42, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 1.45/1.81  not  [44, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 1.45/1.81  a  [45, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 1.45/1.81  b  [46, 0]      (w:1, o:13, a:1, s:1, b:0).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Starting Search:
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    8323
% 1.45/1.81  Kept:         2022
% 1.45/1.81  Inuse:        409
% 1.45/1.81  Deleted:      2
% 1.45/1.81  Deletedinuse: 0
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    17202
% 1.45/1.81  Kept:         4068
% 1.45/1.81  Inuse:        633
% 1.45/1.81  Deleted:      2
% 1.45/1.81  Deletedinuse: 0
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    25110
% 1.45/1.81  Kept:         6105
% 1.45/1.81  Inuse:        749
% 1.45/1.81  Deleted:      2
% 1.45/1.81  Deletedinuse: 0
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    30707
% 1.45/1.81  Kept:         8112
% 1.45/1.81  Inuse:        857
% 1.45/1.81  Deleted:      4
% 1.45/1.81  Deletedinuse: 2
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    36916
% 1.45/1.81  Kept:         10176
% 1.45/1.81  Inuse:        920
% 1.45/1.81  Deleted:      4
% 1.45/1.81  Deletedinuse: 2
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    48589
% 1.45/1.81  Kept:         12208
% 1.45/1.81  Inuse:        1138
% 1.45/1.81  Deleted:      4
% 1.45/1.81  Deletedinuse: 2
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    57365
% 1.45/1.81  Kept:         14277
% 1.45/1.81  Inuse:        1249
% 1.45/1.81  Deleted:      15
% 1.45/1.81  Deletedinuse: 13
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    66156
% 1.45/1.81  Kept:         16281
% 1.45/1.81  Inuse:        1355
% 1.45/1.81  Deleted:      15
% 1.45/1.81  Deletedinuse: 13
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    76006
% 1.45/1.81  Kept:         18457
% 1.45/1.81  Inuse:        1473
% 1.45/1.81  Deleted:      19
% 1.45/1.81  Deletedinuse: 15
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying clauses:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    85414
% 1.45/1.81  Kept:         20551
% 1.45/1.81  Inuse:        1575
% 1.45/1.81  Deleted:      224
% 1.45/1.81  Deletedinuse: 16
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    94286
% 1.45/1.81  Kept:         22681
% 1.45/1.81  Inuse:        1697
% 1.45/1.81  Deleted:      224
% 1.45/1.81  Deletedinuse: 16
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    102920
% 1.45/1.81  Kept:         24911
% 1.45/1.81  Inuse:        1802
% 1.45/1.81  Deleted:      224
% 1.45/1.81  Deletedinuse: 16
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  Resimplifying inuse:
% 1.45/1.81  Done
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Intermediate Status:
% 1.45/1.81  Generated:    108484
% 1.45/1.81  Kept:         26956
% 1.45/1.81  Inuse:        1841
% 1.45/1.81  Deleted:      225
% 1.45/1.81  Deletedinuse: 17
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Bliksems!, er is een bewijs:
% 1.45/1.81  % SZS status Unsatisfiable
% 1.45/1.81  % SZS output start Refutation
% 1.45/1.81  
% 1.45/1.81  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 1.45/1.81    ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( Y
% 1.45/1.81    , Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 3, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Y ), 
% 1.45/1.81    implies( implies( Y, X ), X ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 4, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.45/1.81    implies( Y, X ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 5, [ ~( 'is_a_theorem'( implies( not( implies( a, b ) ), not( b ) )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 6, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.45/1.81    implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 8, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y ) ) ) )
% 1.45/1.81     ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 9, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( Y, Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 10, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( X, Y ), implies( implies( Y, Z ), implies( X, Z ) ) ), T ) ) ) ]
% 1.45/1.81     )
% 1.45/1.81  .
% 1.45/1.81  clause( 11, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.45/1.81    implies( Y, implies( Z, Y ) ) ), T ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 13, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 30, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 31, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( implies( not( Y ), not( X ) ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 33, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.45/1.81    X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 36, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( X ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 39, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X ) ) )
% 1.45/1.81     ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 47, [ 'is_a_theorem'( implies( implies( implies( implies( X, Y ), 
% 1.45/1.81    implies( Z, Y ) ), T ), implies( implies( Z, X ), T ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 49, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.45/1.81    not( X ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 60, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y, X )
% 1.45/1.81     ), Z ), Z ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 61, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( implies( X, implies( Y, X ) ), Z ), Z ), T ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 244, [ 'is_a_theorem'( implies( implies( not( X ), not( implies( Y
% 1.45/1.81    , Z ) ) ), implies( Z, X ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 360, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.45/1.81    implies( X, Z ), T ), implies( implies( Y, Z ), T ) ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 419, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( not( Y ) ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 686, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 708, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    not( not( X ) ), X ), Y ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 725, [ 'is_a_theorem'( implies( X, not( not( implies( Y, X ) ) ) )
% 1.45/1.81     ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 802, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.45/1.81    , not( not( implies( Y, X ) ) ) ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 14348, [ 'is_a_theorem'( implies( implies( implies( not( not( X ) )
% 1.45/1.81    , Y ), Z ), implies( implies( X, Y ), Z ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 27299, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.45/1.81    Y, not( X ) ) ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 27306, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), not( Y )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  .
% 1.45/1.81  clause( 27315, [] )
% 1.45/1.81  .
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  % SZS output end Refutation
% 1.45/1.81  found a proof!
% 1.45/1.81  
% 1.45/1.81  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.45/1.81  
% 1.45/1.81  initialclauses(
% 1.45/1.81  [ clause( 27317, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 1.45/1.81    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 1.45/1.81  , clause( 27318, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.45/1.81  , clause( 27319, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , clause( 27320, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Y ), 
% 1.45/1.81    implies( implies( Y, X ), X ) ) ) ] )
% 1.45/1.81  , clause( 27321, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.45/1.81    implies( Y, X ) ) ) ] )
% 1.45/1.81  , clause( 27322, [ ~( 'is_a_theorem'( implies( not( implies( a, b ) ), not( 
% 1.45/1.81    b ) ) ) ) ] )
% 1.45/1.81  ] ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 1.45/1.81    ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , clause( 27317, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 1.45/1.81    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.45/1.81  , clause( 27318, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( Y
% 1.45/1.81    , Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , clause( 27319, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 3, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Y ), 
% 1.45/1.81    implies( implies( Y, X ), X ) ) ) ] )
% 1.45/1.81  , clause( 27320, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Y ), 
% 1.45/1.81    implies( implies( Y, X ), X ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 4, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.45/1.81    implies( Y, X ) ) ) ] )
% 1.45/1.81  , clause( 27321, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.45/1.81    implies( Y, X ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 5, [ ~( 'is_a_theorem'( implies( not( implies( a, b ) ), not( b ) )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  , clause( 27322, [ ~( 'is_a_theorem'( implies( not( implies( a, b ) ), not( 
% 1.45/1.81    b ) ) ) ) ] )
% 1.45/1.81  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27324, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X ) )
% 1.45/1.81    , Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, X ) ) ), :=( Y, Z )] )
% 1.45/1.81    , substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 6, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.45/1.81    implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27324, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X )
% 1.45/1.81     ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27326, [ ~( 'is_a_theorem'( implies( implies( implies( not( X ), 
% 1.45/1.81    not( Y ) ), implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 4, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.45/1.81    implies( Y, X ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( implies( not( X ), not( Y ) ), 
% 1.45/1.81    implies( Y, X ) ) ), :=( Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y
% 1.45/1.81    , Y )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27326, [ ~( 'is_a_theorem'( implies( implies( implies( not( X ), 
% 1.45/1.81    not( Y ) ), implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27327, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y ) )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  , clause( 6, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.45/1.81    , implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( X, implies( 
% 1.45/1.81    Y, implies( Z, Y ) ) ) )] ), substitution( 1, [ :=( X, implies( Y, 
% 1.45/1.81    implies( Z, Y ) ) ), :=( Y, X )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 8, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y ) ) ) )
% 1.45/1.81     ] )
% 1.45/1.81  , clause( 27327, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y )
% 1.45/1.81     ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27328, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( Y, Z ) ) ) ] )
% 1.45/1.81  , clause( 6, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.45/1.81    , implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, implies( implies( 
% 1.45/1.81    implies( X, Y ), Z ), implies( Y, Z ) ) )] ), substitution( 1, [ :=( X, Y
% 1.45/1.81     ), :=( Y, implies( X, Y ) ), :=( Z, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 9, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( Y, Z ) ) ) ] )
% 1.45/1.81  , clause( 27328, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( Y, Z ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27330, [ ~( 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 1.45/1.81    implies( implies( Y, Z ), implies( X, Z ) ) ), T ) ) ), 'is_a_theorem'( T
% 1.45/1.81     ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( implies( X, Y ), implies( implies( 
% 1.45/1.81    Y, Z ), implies( X, Z ) ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X
% 1.45/1.81     ), :=( Y, Y ), :=( Z, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 10, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( X, Y ), implies( implies( Y, Z ), implies( X, Z ) ) ), T ) ) ) ]
% 1.45/1.81     )
% 1.45/1.81  , clause( 27330, [ ~( 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 1.45/1.81    implies( implies( Y, Z ), implies( X, Z ) ) ), T ) ) ), 'is_a_theorem'( T
% 1.45/1.81     ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27332, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.45/1.81    implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 8, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y ) )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, implies( Z, Y ) ) )
% 1.45/1.81     ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )
% 1.45/1.81    ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 11, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.45/1.81    implies( Y, implies( Z, Y ) ) ), T ) ) ) ] )
% 1.45/1.81  , clause( 27332, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.45/1.81    implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27334, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X, 
% 1.45/1.81    Y ), Z ), implies( Y, Z ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 9, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( Y, Z ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( Y, Z ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y
% 1.45/1.81    , Y ), :=( Z, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 13, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.45/1.81  , clause( 27334, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X
% 1.45/1.81    , Y ), Z ), implies( Y, Z ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27335, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ]
% 1.45/1.81     )
% 1.45/1.81  , clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 9, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( Y, Z ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, implies( not( X ), 
% 1.45/1.81    implies( X, Y ) ) )] ), substitution( 1, [ :=( X, not( Y ) ), :=( Y, not( 
% 1.45/1.81    X ) ), :=( Z, implies( X, Y ) )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 30, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ] )
% 1.45/1.81  , clause( 27335, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ]
% 1.45/1.81     )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27336, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( implies( not( Y ), not( X ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, implies( implies( 
% 1.45/1.81    implies( X, Y ), Z ), implies( implies( not( Y ), not( X ) ), Z ) ) )] )
% 1.45/1.81    , substitution( 1, [ :=( X, implies( not( Y ), not( X ) ) ), :=( Y, 
% 1.45/1.81    implies( X, Y ) ), :=( Z, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 31, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( implies( not( Y ), not( X ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27336, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( implies( not( Y ), not( X ) ), Z ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27338, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( X
% 1.45/1.81    , Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 30, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ]
% 1.45/1.81     )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( not( X ), implies( X, Y ) ) ), :=( 
% 1.45/1.81    Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 33, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.45/1.81    X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27338, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( 
% 1.45/1.81    X, Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27339, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( X ), Z ) ) ) ] )
% 1.45/1.81  , clause( 33, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, implies( implies( 
% 1.45/1.81    implies( X, Y ), Z ), implies( not( X ), Z ) ) )] ), substitution( 1, [ 
% 1.45/1.81    :=( X, not( X ) ), :=( Y, implies( X, Y ) ), :=( Z, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 36, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( X ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27339, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( X ), Z ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27340, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  , clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 36, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( X ), Z ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, implies( not( not( X
% 1.45/1.81     ) ), implies( Y, X ) ) )] ), substitution( 1, [ :=( X, not( X ) ), :=( Y
% 1.45/1.81    , not( Y ) ), :=( Z, implies( Y, X ) )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 39, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X ) ) )
% 1.45/1.81     ] )
% 1.45/1.81  , clause( 27340, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X
% 1.45/1.81     ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27341, [ 'is_a_theorem'( implies( implies( implies( implies( X, Y )
% 1.45/1.81    , implies( Z, Y ) ), T ), implies( implies( Z, X ), T ) ) ) ] )
% 1.45/1.81  , clause( 10, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( X, Y ), implies( implies( Y, Z ), implies( X, Z ) ) ), T ) ) ) ]
% 1.45/1.81     )
% 1.45/1.81  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Z ), :=( Y, X ), :=( Z, Y ), :=( T, implies( 
% 1.45/1.81    implies( implies( implies( X, Y ), implies( Z, Y ) ), T ), implies( 
% 1.45/1.81    implies( Z, X ), T ) ) )] ), substitution( 1, [ :=( X, implies( Z, X ) )
% 1.45/1.81    , :=( Y, implies( implies( X, Y ), implies( Z, Y ) ) ), :=( Z, T )] )
% 1.45/1.81    ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 47, [ 'is_a_theorem'( implies( implies( implies( implies( X, Y ), 
% 1.45/1.81    implies( Z, Y ) ), T ), implies( implies( Z, X ), T ) ) ) ] )
% 1.45/1.81  , clause( 27341, [ 'is_a_theorem'( implies( implies( implies( implies( X, Y
% 1.45/1.81     ), implies( Z, Y ) ), T ), implies( implies( Z, X ), T ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27343, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), 
% 1.45/1.81    implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 39, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X
% 1.45/1.81     ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( not( not( X ) ), implies( Y, X ) )
% 1.45/1.81     ), :=( Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 49, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.45/1.81    not( X ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27343, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), 
% 1.45/1.81    implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27344, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y, 
% 1.45/1.81    X ) ), Z ), Z ) ) ] )
% 1.45/1.81  , clause( 11, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.45/1.81    , implies( Y, implies( Z, Y ) ) ), T ) ) ) ] )
% 1.45/1.81  , 1, clause( 3, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Y ), 
% 1.45/1.81    implies( implies( Y, X ), X ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( Z, implies( X, implies( Y, X ) ) )
% 1.45/1.81     ), :=( Y, X ), :=( Z, Y ), :=( T, implies( implies( implies( X, implies( 
% 1.45/1.81    Y, X ) ), Z ), Z ) )] ), substitution( 1, [ :=( X, Z ), :=( Y, implies( X
% 1.45/1.81    , implies( Y, X ) ) )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 60, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y, X )
% 1.45/1.81     ), Z ), Z ) ) ] )
% 1.45/1.81  , clause( 27344, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y
% 1.45/1.81    , X ) ), Z ), Z ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27346, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X, 
% 1.45/1.81    implies( Y, X ) ), Z ), Z ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 60, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y
% 1.45/1.81    , X ) ), Z ), Z ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( implies( implies( X, implies( Y, X
% 1.45/1.81     ) ), Z ), Z ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y
% 1.45/1.81     ), :=( Z, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 61, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( implies( X, implies( Y, X ) ), Z ), Z ), T ) ) ) ] )
% 1.45/1.81  , clause( 27346, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X
% 1.45/1.81    , implies( Y, X ) ), Z ), Z ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27347, [ 'is_a_theorem'( implies( implies( not( X ), not( implies( 
% 1.45/1.81    Y, Z ) ) ), implies( Z, X ) ) ) ] )
% 1.45/1.81  , clause( 13, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.45/1.81  , 1, clause( 31, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( implies( not( Y ), not( X ) ), Z ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, X ), :=( T, implies( 
% 1.45/1.81    implies( not( X ), not( implies( Y, Z ) ) ), implies( Z, X ) ) )] ), 
% 1.45/1.81    substitution( 1, [ :=( X, implies( Y, Z ) ), :=( Y, X ), :=( Z, implies( 
% 1.45/1.81    Z, X ) )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 244, [ 'is_a_theorem'( implies( implies( not( X ), not( implies( Y
% 1.45/1.81    , Z ) ) ), implies( Z, X ) ) ) ] )
% 1.45/1.81  , clause( 27347, [ 'is_a_theorem'( implies( implies( not( X ), not( implies( 
% 1.45/1.81    Y, Z ) ) ), implies( Z, X ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27348, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.45/1.81    implies( X, Z ), T ), implies( implies( Y, Z ), T ) ) ) ) ] )
% 1.45/1.81  , clause( 10, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( X, Y ), implies( implies( Y, Z ), implies( X, Z ) ) ), T ) ) ) ]
% 1.45/1.81     )
% 1.45/1.81  , 1, clause( 47, [ 'is_a_theorem'( implies( implies( implies( implies( X, Y
% 1.45/1.81     ), implies( Z, Y ) ), T ), implies( implies( Z, X ), T ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( Y, Z ) ), :=( Y, implies( X, Z ) )
% 1.45/1.81    , :=( Z, T ), :=( T, implies( implies( X, Y ), implies( implies( implies( 
% 1.45/1.81    X, Z ), T ), implies( implies( Y, Z ), T ) ) ) )] ), substitution( 1, [ 
% 1.45/1.81    :=( X, Y ), :=( Y, Z ), :=( Z, X ), :=( T, implies( implies( implies( X, 
% 1.45/1.81    Z ), T ), implies( implies( Y, Z ), T ) ) )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 360, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.45/1.81    implies( X, Z ), T ), implies( implies( Y, Z ), T ) ) ) ) ] )
% 1.45/1.81  , clause( 27348, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( implies( X, Z ), T ), implies( implies( Y, Z ), T ) ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27349, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( not( Y ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 49, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    not( not( X ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( Y, Z ), implies( X, Z ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, implies( implies( 
% 1.45/1.81    implies( X, Y ), Z ), implies( not( not( Y ) ), Z ) ) )] ), 
% 1.45/1.81    substitution( 1, [ :=( X, not( not( Y ) ) ), :=( Y, implies( X, Y ) ), 
% 1.45/1.81    :=( Z, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 419, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( not( Y ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27349, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.45/1.81    implies( not( not( Y ) ), Z ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27350, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.45/1.81  , clause( 61, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( implies( X, implies( Y, X ) ), Z ), Z ), T ) ) ) ] )
% 1.45/1.81  , 1, clause( 419, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z )
% 1.45/1.81    , implies( not( not( Y ) ), Z ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, X ), :=( T, implies( 
% 1.45/1.81    not( not( X ) ), X ) )] ), substitution( 1, [ :=( X, implies( Y, implies( 
% 1.45/1.81    Z, Y ) ) ), :=( Y, X ), :=( Z, X )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 686, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.45/1.81  , clause( 27350, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27352, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), X )
% 1.45/1.81    , Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 686, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( not( not( X ) ), X ) ), :=( Y, Y )] )
% 1.45/1.81    , substitution( 1, [ :=( X, X )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 708, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    not( not( X ) ), X ), Y ) ) ) ] )
% 1.45/1.81  , clause( 27352, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), X
% 1.45/1.81     ), Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.45/1.81     ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27353, [ 'is_a_theorem'( implies( X, not( not( implies( Y, X ) ) )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  , clause( 708, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    not( not( X ) ), X ), Y ) ) ) ] )
% 1.45/1.81  , 1, clause( 244, [ 'is_a_theorem'( implies( implies( not( X ), not( 
% 1.45/1.81    implies( Y, Z ) ) ), implies( Z, X ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, not( implies( Y, X ) ) ), :=( Y, implies( X
% 1.45/1.81    , not( not( implies( Y, X ) ) ) ) )] ), substitution( 1, [ :=( X, not( 
% 1.45/1.81    not( implies( Y, X ) ) ) ), :=( Y, Y ), :=( Z, X )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 725, [ 'is_a_theorem'( implies( X, not( not( implies( Y, X ) ) ) )
% 1.45/1.81     ) ] )
% 1.45/1.81  , clause( 27353, [ 'is_a_theorem'( implies( X, not( not( implies( Y, X ) )
% 1.45/1.81     ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27355, [ ~( 'is_a_theorem'( implies( implies( X, not( not( implies( 
% 1.45/1.81    Y, X ) ) ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.45/1.81    , ~( 'is_a_theorem'( X ) ) ] )
% 1.45/1.81  , 2, clause( 725, [ 'is_a_theorem'( implies( X, not( not( implies( Y, X ) )
% 1.45/1.81     ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, implies( X, not( not( implies( Y, X ) ) ) )
% 1.45/1.81     ), :=( Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 802, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.45/1.81    , not( not( implies( Y, X ) ) ) ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27355, [ ~( 'is_a_theorem'( implies( implies( X, not( not( 
% 1.45/1.81    implies( Y, X ) ) ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27356, [ 'is_a_theorem'( implies( implies( implies( not( not( X ) )
% 1.45/1.81    , Y ), Z ), implies( implies( X, Y ), Z ) ) ) ] )
% 1.45/1.81  , clause( 708, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    not( not( X ) ), X ), Y ) ) ) ] )
% 1.45/1.81  , 1, clause( 360, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.45/1.81    implies( implies( X, Z ), T ), implies( implies( Y, Z ), T ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, X ), :=( Y, implies( implies( implies( not( 
% 1.45/1.81    not( X ) ), Y ), Z ), implies( implies( X, Y ), Z ) ) )] ), 
% 1.45/1.81    substitution( 1, [ :=( X, not( not( X ) ) ), :=( Y, X ), :=( Z, Y ), :=( 
% 1.45/1.81    T, Z )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 14348, [ 'is_a_theorem'( implies( implies( implies( not( not( X ) )
% 1.45/1.81    , Y ), Z ), implies( implies( X, Y ), Z ) ) ) ] )
% 1.45/1.81  , clause( 27356, [ 'is_a_theorem'( implies( implies( implies( not( not( X )
% 1.45/1.81     ), Y ), Z ), implies( implies( X, Y ), Z ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.45/1.81    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27357, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.45/1.81    Y, not( X ) ) ) ) ] )
% 1.45/1.81  , clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 14348, [ 'is_a_theorem'( implies( implies( implies( not( not( 
% 1.45/1.81    X ) ), Y ), Z ), implies( implies( X, Y ), Z ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, not( X ) ), :=( Y, Y ), :=( Z, implies( 
% 1.45/1.81    implies( X, not( Y ) ), implies( Y, not( X ) ) ) )] ), substitution( 1, [
% 1.45/1.81     :=( X, X ), :=( Y, not( Y ) ), :=( Z, implies( Y, not( X ) ) )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 27299, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.45/1.81    Y, not( X ) ) ) ) ] )
% 1.45/1.81  , clause( 27357, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.45/1.81    Y, not( X ) ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27358, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), not( Y )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  , clause( 802, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.45/1.81    X, not( not( implies( Y, X ) ) ) ), Z ) ) ) ] )
% 1.45/1.81  , 1, clause( 27299, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), 
% 1.45/1.81    implies( Y, not( X ) ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, implies( not( 
% 1.45/1.81    implies( X, Y ) ), not( Y ) ) )] ), substitution( 1, [ :=( X, Y ), :=( Y
% 1.45/1.81    , not( implies( X, Y ) ) )] )).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 27306, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), not( Y )
% 1.45/1.81     ) ) ] )
% 1.45/1.81  , clause( 27358, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), not( Y
% 1.45/1.81     ) ) ) ] )
% 1.45/1.81  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.45/1.81     )] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  resolution(
% 1.45/1.81  clause( 27359, [] )
% 1.45/1.81  , clause( 5, [ ~( 'is_a_theorem'( implies( not( implies( a, b ) ), not( b )
% 1.45/1.81     ) ) ) ] )
% 1.45/1.81  , 0, clause( 27306, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), not( 
% 1.45/1.81    Y ) ) ) ] )
% 1.45/1.81  , 0, substitution( 0, [] ), substitution( 1, [ :=( X, a ), :=( Y, b )] )
% 1.45/1.81    ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  subsumption(
% 1.45/1.81  clause( 27315, [] )
% 1.45/1.81  , clause( 27359, [] )
% 1.45/1.81  , substitution( 0, [] ), permutation( 0, [] ) ).
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  end.
% 1.45/1.81  
% 1.45/1.81  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.45/1.81  
% 1.45/1.81  Memory use:
% 1.45/1.81  
% 1.45/1.81  space for terms:        501405
% 1.45/1.81  space for clauses:      2224761
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  clauses generated:      109384
% 1.45/1.81  clauses kept:           27316
% 1.45/1.81  clauses selected:       1860
% 1.45/1.81  clauses deleted:        225
% 1.45/1.81  clauses inuse deleted:  17
% 1.45/1.81  
% 1.45/1.81  subsentry:          87771
% 1.45/1.81  literals s-matched: 82293
% 1.45/1.81  literals matched:   82293
% 1.45/1.81  full subsumption:   0
% 1.45/1.81  
% 1.45/1.81  checksum:           -2065051479
% 1.45/1.81  
% 1.45/1.81  
% 1.45/1.81  Bliksem ended
%------------------------------------------------------------------------------