TSTP Solution File: LCL045-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : LCL045-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n008.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 07:49:35 EDT 2022

% Result   : Unsatisfiable 2.16s 2.59s
% Output   : Refutation 2.16s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : LCL045-1 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n008.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % DateTime : Sun Jul  3 13:30:53 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 2.16/2.59  *** allocated 10000 integers for termspace/termends
% 2.16/2.59  *** allocated 10000 integers for clauses
% 2.16/2.59  *** allocated 10000 integers for justifications
% 2.16/2.59  Bliksem 1.12
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Automatic Strategy Selection
% 2.16/2.59  
% 2.16/2.59  Clauses:
% 2.16/2.59  [
% 2.16/2.59     [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 'is_a_theorem'( X ) ), 
% 2.16/2.59    'is_a_theorem'( Y ) ],
% 2.16/2.59     [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ],
% 2.16/2.59     [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ],
% 2.16/2.59     [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), implies( Y, 
% 2.16/2.59    implies( X, Z ) ) ) ) ],
% 2.16/2.59     [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( Z, X ), 
% 2.16/2.59    implies( Z, Y ) ) ) ) ],
% 2.16/2.59     [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( not( X ), 
% 2.16/2.59    Y ), Y ) ) ) ],
% 2.16/2.59     [ ~( 'is_a_theorem'( implies( implies( a, b ), implies( not( b ), not( a
% 2.16/2.59     ) ) ) ) ) ]
% 2.16/2.59  ] .
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  percentage equality = 0.000000, percentage horn = 1.000000
% 2.16/2.59  This is a near-Horn, non-equality  problem
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Options Used:
% 2.16/2.59  
% 2.16/2.59  useres =            1
% 2.16/2.59  useparamod =        0
% 2.16/2.59  useeqrefl =         0
% 2.16/2.59  useeqfact =         0
% 2.16/2.59  usefactor =         1
% 2.16/2.59  usesimpsplitting =  0
% 2.16/2.59  usesimpdemod =      0
% 2.16/2.59  usesimpres =        4
% 2.16/2.59  
% 2.16/2.59  resimpinuse      =  1000
% 2.16/2.59  resimpclauses =     20000
% 2.16/2.59  substype =          standard
% 2.16/2.59  backwardsubs =      1
% 2.16/2.59  selectoldest =      5
% 2.16/2.59  
% 2.16/2.59  litorderings [0] =  split
% 2.16/2.59  litorderings [1] =  liftord
% 2.16/2.59  
% 2.16/2.59  termordering =      none
% 2.16/2.59  
% 2.16/2.59  litapriori =        1
% 2.16/2.59  termapriori =       0
% 2.16/2.59  litaposteriori =    0
% 2.16/2.59  termaposteriori =   0
% 2.16/2.59  demodaposteriori =  0
% 2.16/2.59  ordereqreflfact =   0
% 2.16/2.59  
% 2.16/2.59  litselect =         negative
% 2.16/2.59  
% 2.16/2.59  maxweight =         30000
% 2.16/2.59  maxdepth =          30000
% 2.16/2.59  maxlength =         115
% 2.16/2.59  maxnrvars =         195
% 2.16/2.59  excuselevel =       0
% 2.16/2.59  increasemaxweight = 0
% 2.16/2.59  
% 2.16/2.59  maxselected =       10000000
% 2.16/2.59  maxnrclauses =      10000000
% 2.16/2.59  
% 2.16/2.59  showgenerated =    0
% 2.16/2.59  showkept =         0
% 2.16/2.59  showselected =     0
% 2.16/2.59  showdeleted =      0
% 2.16/2.59  showresimp =       1
% 2.16/2.59  showstatus =       2000
% 2.16/2.59  
% 2.16/2.59  prologoutput =     1
% 2.16/2.59  nrgoals =          5000000
% 2.16/2.59  totalproof =       1
% 2.16/2.59  
% 2.16/2.59  Symbols occurring in the translation:
% 2.16/2.59  
% 2.16/2.59  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 2.16/2.59  .  [1, 2]      (w:1, o:21, a:1, s:1, b:0), 
% 2.16/2.59  !  [4, 1]      (w:1, o:14, a:1, s:1, b:0), 
% 2.16/2.59  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.16/2.59  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.16/2.59  implies  [41, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 2.16/2.59  'is_a_theorem'  [42, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 2.16/2.59  not  [43, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 2.16/2.59  a  [45, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 2.16/2.59  b  [46, 0]      (w:1, o:13, a:1, s:1, b:0).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Starting Search:
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    5161
% 2.16/2.59  Kept:         2001
% 2.16/2.59  Inuse:        301
% 2.16/2.59  Deleted:      1
% 2.16/2.59  Deletedinuse: 1
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    13720
% 2.16/2.59  Kept:         4052
% 2.16/2.59  Inuse:        594
% 2.16/2.59  Deleted:      1
% 2.16/2.59  Deletedinuse: 1
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    20997
% 2.16/2.59  Kept:         6056
% 2.16/2.59  Inuse:        789
% 2.16/2.59  Deleted:      1
% 2.16/2.59  Deletedinuse: 1
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    28721
% 2.16/2.59  Kept:         8097
% 2.16/2.59  Inuse:        966
% 2.16/2.59  Deleted:      4
% 2.16/2.59  Deletedinuse: 2
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    34769
% 2.16/2.59  Kept:         10149
% 2.16/2.59  Inuse:        1070
% 2.16/2.59  Deleted:      4
% 2.16/2.59  Deletedinuse: 2
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    43213
% 2.16/2.59  Kept:         12184
% 2.16/2.59  Inuse:        1189
% 2.16/2.59  Deleted:      5
% 2.16/2.59  Deletedinuse: 2
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    48847
% 2.16/2.59  Kept:         14238
% 2.16/2.59  Inuse:        1267
% 2.16/2.59  Deleted:      6
% 2.16/2.59  Deletedinuse: 2
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    54552
% 2.16/2.59  Kept:         16256
% 2.16/2.59  Inuse:        1345
% 2.16/2.59  Deleted:      12
% 2.16/2.59  Deletedinuse: 8
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    62196
% 2.16/2.59  Kept:         18376
% 2.16/2.59  Inuse:        1456
% 2.16/2.59  Deleted:      13
% 2.16/2.59  Deletedinuse: 8
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying clauses:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    70093
% 2.16/2.59  Kept:         20394
% 2.16/2.59  Inuse:        1571
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    76780
% 2.16/2.59  Kept:         22473
% 2.16/2.59  Inuse:        1616
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    84669
% 2.16/2.59  Kept:         24553
% 2.16/2.59  Inuse:        1711
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    92994
% 2.16/2.59  Kept:         26565
% 2.16/2.59  Inuse:        1790
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    101584
% 2.16/2.59  Kept:         28674
% 2.16/2.59  Inuse:        1923
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    106622
% 2.16/2.59  Kept:         30866
% 2.16/2.59  Inuse:        1986
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    114643
% 2.16/2.59  Kept:         32880
% 2.16/2.59  Inuse:        2076
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    124088
% 2.16/2.59  Kept:         35081
% 2.16/2.59  Inuse:        2196
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    130242
% 2.16/2.59  Kept:         37111
% 2.16/2.59  Inuse:        2247
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    139905
% 2.16/2.59  Kept:         39143
% 2.16/2.59  Inuse:        2343
% 2.16/2.59  Deleted:      48
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying clauses:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    150304
% 2.16/2.59  Kept:         41165
% 2.16/2.59  Inuse:        2390
% 2.16/2.59  Deleted:      79
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    156065
% 2.16/2.59  Kept:         43279
% 2.16/2.59  Inuse:        2411
% 2.16/2.59  Deleted:      79
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    163350
% 2.16/2.59  Kept:         45426
% 2.16/2.59  Inuse:        2501
% 2.16/2.59  Deleted:      79
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    168548
% 2.16/2.59  Kept:         47574
% 2.16/2.59  Inuse:        2593
% 2.16/2.59  Deleted:      79
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    172620
% 2.16/2.59  Kept:         49606
% 2.16/2.59  Inuse:        2627
% 2.16/2.59  Deleted:      79
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  Resimplifying inuse:
% 2.16/2.59  Done
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Intermediate Status:
% 2.16/2.59  Generated:    176967
% 2.16/2.59  Kept:         51650
% 2.16/2.59  Inuse:        2668
% 2.16/2.59  Deleted:      79
% 2.16/2.59  Deletedinuse: 10
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Bliksems!, er is een bewijs:
% 2.16/2.59  % SZS status Unsatisfiable
% 2.16/2.59  % SZS output start Refutation
% 2.16/2.59  
% 2.16/2.59  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 2.16/2.59    ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 1, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 2, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 3, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 2.16/2.59    implies( Y, implies( X, Z ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 4, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( Z
% 2.16/2.59    , X ), implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 5, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 2.16/2.59    not( X ), Y ), Y ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 6, [ ~( 'is_a_theorem'( implies( implies( a, b ), implies( not( b )
% 2.16/2.59    , not( a ) ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 2.16/2.59    implies( not( X ), Y ) ), Z ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 8, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 2.16/2.59    implies( Y, X ) ), Z ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 12, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, implies( Y, Z ) ), implies( Y, implies( X, Z ) ) ), T ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  .
% 2.16/2.59  clause( 19, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, implies( 
% 2.16/2.59    Z, Y ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 20, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, Y ), implies( implies( Z, X ), implies( Z, Y ) ) ), T ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  .
% 2.16/2.59  clause( 29, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, Y ), implies( implies( not( X ), Y ), Y ) ), Z ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 31, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) ) ) )
% 2.16/2.59     ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 35, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 2.16/2.59    implies( Y, implies( Z, X ) ) ), T ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 57, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z, 
% 2.16/2.59    T ) ) ), implies( X, implies( Z, implies( Y, T ) ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 214, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 2.16/2.59    implies( X, Y ), Y ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 279, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z
% 2.16/2.59    , not( X ) ) ) ), implies( Y, implies( Z, not( X ) ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 648, [ 'is_a_theorem'( implies( implies( X, Y ), implies( Z, 
% 2.16/2.59    implies( implies( Z, X ), Y ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 719, [ 'is_a_theorem'( implies( X, implies( implies( X, Y ), 
% 2.16/2.59    implies( not( Y ), Z ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 787, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 2.16/2.59    , implies( implies( X, Y ), implies( not( Y ), Z ) ) ), T ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 51971, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( Y
% 2.16/2.59     ), not( X ) ) ) ) ] )
% 2.16/2.59  .
% 2.16/2.59  clause( 52172, [] )
% 2.16/2.59  .
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  % SZS output end Refutation
% 2.16/2.59  found a proof!
% 2.16/2.59  
% 2.16/2.59  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.16/2.59  
% 2.16/2.59  initialclauses(
% 2.16/2.59  [ clause( 52174, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 2.16/2.59    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 2.16/2.59  , clause( 52175, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  , clause( 52176, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 2.16/2.59  , clause( 52177, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 2.16/2.59    implies( Y, implies( X, Z ) ) ) ) ] )
% 2.16/2.59  , clause( 52178, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , clause( 52179, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( not( X ), Y ), Y ) ) ) ] )
% 2.16/2.59  , clause( 52180, [ ~( 'is_a_theorem'( implies( implies( a, b ), implies( 
% 2.16/2.59    not( b ), not( a ) ) ) ) ) ] )
% 2.16/2.59  ] ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 2.16/2.59    ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , clause( 52174, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 2.16/2.59    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.16/2.59     ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 1, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ] )
% 2.16/2.59  , clause( 52175, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.16/2.59     )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 2, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 2.16/2.59  , clause( 52176, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.16/2.59     )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 3, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 2.16/2.59    implies( Y, implies( X, Z ) ) ) ) ] )
% 2.16/2.59  , clause( 52177, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 2.16/2.59    implies( Y, implies( X, Z ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 4, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( Z
% 2.16/2.59    , X ), implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , clause( 52178, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 5, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 2.16/2.59    not( X ), Y ), Y ) ) ) ] )
% 2.16/2.59  , clause( 52179, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( not( X ), Y ), Y ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.16/2.59     )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 6, [ ~( 'is_a_theorem'( implies( implies( a, b ), implies( not( b )
% 2.16/2.59    , not( a ) ) ) ) ) ] )
% 2.16/2.59  , clause( 52180, [ ~( 'is_a_theorem'( implies( implies( a, b ), implies( 
% 2.16/2.59    not( b ), not( a ) ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52182, [ ~( 'is_a_theorem'( implies( implies( X, implies( not( X )
% 2.16/2.59    , Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 2.16/2.59  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 2.16/2.59    , ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , 2, clause( 1, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, implies( X, implies( not( X ), Y ) ) ), :=( 
% 2.16/2.59    Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 2.16/2.59    implies( not( X ), Y ) ), Z ) ) ) ] )
% 2.16/2.59  , clause( 52182, [ ~( 'is_a_theorem'( implies( implies( X, implies( not( X
% 2.16/2.59     ), Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52184, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X ) )
% 2.16/2.59    , Z ) ) ), 'is_a_theorem'( Z ) ] )
% 2.16/2.59  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 2.16/2.59    , ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , 2, clause( 2, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, X ) ) ), :=( Y, Z )] )
% 2.16/2.59    , substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 8, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 2.16/2.59    implies( Y, X ) ), Z ) ) ) ] )
% 2.16/2.59  , clause( 52184, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X )
% 2.16/2.59     ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52186, [ ~( 'is_a_theorem'( implies( implies( implies( X, implies( 
% 2.16/2.59    Y, Z ) ), implies( Y, implies( X, Z ) ) ), T ) ) ), 'is_a_theorem'( T ) ]
% 2.16/2.59     )
% 2.16/2.59  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 2.16/2.59    , ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , 2, clause( 3, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 2.16/2.59    implies( Y, implies( X, Z ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, implies( implies( X, implies( Y, Z ) ), 
% 2.16/2.59    implies( Y, implies( X, Z ) ) ) ), :=( Y, T )] ), substitution( 1, [ :=( 
% 2.16/2.59    X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 12, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, implies( Y, Z ) ), implies( Y, implies( X, Z ) ) ), T ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  , clause( 52186, [ ~( 'is_a_theorem'( implies( implies( implies( X, implies( 
% 2.16/2.59    Y, Z ) ), implies( Y, implies( X, Z ) ) ), T ) ) ), 'is_a_theorem'( T ) ]
% 2.16/2.59     )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52187, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 2.16/2.59    implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , clause( 8, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 2.16/2.59    , implies( Y, X ) ), Z ) ) ) ] )
% 2.16/2.59  , 1, clause( 4, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( implies( X
% 2.16/2.59    , Y ), implies( X, implies( Z, Y ) ) ) )] ), substitution( 1, [ :=( X, Y
% 2.16/2.59     ), :=( Y, implies( Z, Y ) ), :=( Z, X )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 19, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, implies( 
% 2.16/2.59    Z, Y ) ) ) ) ] )
% 2.16/2.59  , clause( 52187, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 2.16/2.59    implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52189, [ ~( 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 2.16/2.59    implies( implies( Z, X ), implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T
% 2.16/2.59     ) ] )
% 2.16/2.59  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 2.16/2.59    , ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , 2, clause( 4, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, implies( implies( X, Y ), implies( implies( 
% 2.16/2.59    Z, X ), implies( Z, Y ) ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X
% 2.16/2.59     ), :=( Y, Y ), :=( Z, Z )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 20, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, Y ), implies( implies( Z, X ), implies( Z, Y ) ) ), T ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  , clause( 52189, [ ~( 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 2.16/2.59    implies( implies( Z, X ), implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T
% 2.16/2.59     ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52191, [ ~( 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 2.16/2.59    implies( implies( not( X ), Y ), Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 2.16/2.59  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 2.16/2.59    , ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , 2, clause( 5, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( not( X ), Y ), Y ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, implies( implies( X, Y ), implies( implies( 
% 2.16/2.59    not( X ), Y ), Y ) ) ), :=( Y, Z )] ), substitution( 1, [ :=( X, X ), 
% 2.16/2.59    :=( Y, Y )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 29, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, Y ), implies( implies( not( X ), Y ), Y ) ), Z ) ) ) ] )
% 2.16/2.59  , clause( 52191, [ ~( 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 2.16/2.59    implies( implies( not( X ), Y ), Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52192, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) )
% 2.16/2.59     ) ) ] )
% 2.16/2.59  , clause( 8, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 2.16/2.59    , implies( Y, X ) ), Z ) ) ) ] )
% 2.16/2.59  , 1, clause( 19, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 2.16/2.59    implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, X ), :=( Y, Z ), :=( Z, implies( X, implies( 
% 2.16/2.59    Y, implies( Z, X ) ) ) )] ), substitution( 1, [ :=( X, X ), :=( Y, 
% 2.16/2.59    implies( Z, X ) ), :=( Z, Y )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 31, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) ) ) )
% 2.16/2.59     ] )
% 2.16/2.59  , clause( 52192, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X )
% 2.16/2.59     ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52194, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 2.16/2.59    implies( Z, X ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 2.16/2.59  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 2.16/2.59    , ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , 2, clause( 31, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X )
% 2.16/2.59     ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, implies( Z, X ) ) )
% 2.16/2.59     ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )
% 2.16/2.59    ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 35, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 2.16/2.59    implies( Y, implies( Z, X ) ) ), T ) ) ) ] )
% 2.16/2.59  , clause( 52194, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 2.16/2.59    implies( Z, X ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52195, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 2.16/2.59    Z, T ) ) ), implies( X, implies( Z, implies( Y, T ) ) ) ) ) ] )
% 2.16/2.59  , clause( 12, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, implies( Y, Z ) ), implies( Y, implies( X, Z ) ) ), T ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  , 1, clause( 4, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, T ), :=( T, implies( 
% 2.16/2.59    implies( X, implies( Y, implies( Z, T ) ) ), implies( X, implies( Z, 
% 2.16/2.59    implies( Y, T ) ) ) ) )] ), substitution( 1, [ :=( X, implies( Y, implies( 
% 2.16/2.59    Z, T ) ) ), :=( Y, implies( Z, implies( Y, T ) ) ), :=( Z, X )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 57, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z, 
% 2.16/2.59    T ) ) ), implies( X, implies( Z, implies( Y, T ) ) ) ) ) ] )
% 2.16/2.59  , clause( 52195, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 2.16/2.59    Z, T ) ) ), implies( X, implies( Z, implies( Y, T ) ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52196, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 2.16/2.59    implies( X, Y ), Y ) ) ) ] )
% 2.16/2.59  , clause( 29, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, Y ), implies( implies( not( X ), Y ), Y ) ), Z ) ) ) ] )
% 2.16/2.59  , 1, clause( 3, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 2.16/2.59    implies( Y, implies( X, Z ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, implies( implies( 
% 2.16/2.59    not( X ), Y ), implies( implies( X, Y ), Y ) ) )] ), substitution( 1, [ 
% 2.16/2.59    :=( X, implies( X, Y ) ), :=( Y, implies( not( X ), Y ) ), :=( Z, Y )] )
% 2.16/2.59    ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 214, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 2.16/2.59    implies( X, Y ), Y ) ) ) ] )
% 2.16/2.59  , clause( 52196, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 2.16/2.59    implies( X, Y ), Y ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.16/2.59     )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52197, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 2.16/2.59    Z, not( X ) ) ) ), implies( Y, implies( Z, not( X ) ) ) ) ) ] )
% 2.16/2.59  , clause( 35, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 2.16/2.59    , implies( Y, implies( Z, X ) ) ), T ) ) ) ] )
% 2.16/2.59  , 1, clause( 214, [ 'is_a_theorem'( implies( implies( not( X ), Y ), 
% 2.16/2.59    implies( implies( X, Y ), Y ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, not( X ) ), :=( Y, Y ), :=( Z, Z ), :=( T, 
% 2.16/2.59    implies( implies( X, implies( Y, implies( Z, not( X ) ) ) ), implies( Y, 
% 2.16/2.59    implies( Z, not( X ) ) ) ) )] ), substitution( 1, [ :=( X, X ), :=( Y, 
% 2.16/2.59    implies( Y, implies( Z, not( X ) ) ) )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 279, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z
% 2.16/2.59    , not( X ) ) ) ), implies( Y, implies( Z, not( X ) ) ) ) ) ] )
% 2.16/2.59  , clause( 52197, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 2.16/2.59    Z, not( X ) ) ) ), implies( Y, implies( Z, not( X ) ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52198, [ 'is_a_theorem'( implies( implies( X, Y ), implies( Z, 
% 2.16/2.59    implies( implies( Z, X ), Y ) ) ) ) ] )
% 2.16/2.59  , clause( 20, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    implies( X, Y ), implies( implies( Z, X ), implies( Z, Y ) ) ), T ) ) ) ]
% 2.16/2.59     )
% 2.16/2.59  , 1, clause( 57, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 2.16/2.59    Z, T ) ) ), implies( X, implies( Z, implies( Y, T ) ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, implies( 
% 2.16/2.59    implies( X, Y ), implies( Z, implies( implies( Z, X ), Y ) ) ) )] ), 
% 2.16/2.59    substitution( 1, [ :=( X, implies( X, Y ) ), :=( Y, implies( Z, X ) ), 
% 2.16/2.59    :=( Z, Z ), :=( T, Y )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 648, [ 'is_a_theorem'( implies( implies( X, Y ), implies( Z, 
% 2.16/2.59    implies( implies( Z, X ), Y ) ) ) ) ] )
% 2.16/2.59  , clause( 52198, [ 'is_a_theorem'( implies( implies( X, Y ), implies( Z, 
% 2.16/2.59    implies( implies( Z, X ), Y ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52199, [ 'is_a_theorem'( implies( X, implies( implies( X, Y ), 
% 2.16/2.59    implies( not( Y ), Z ) ) ) ) ] )
% 2.16/2.59  , clause( 7, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 2.16/2.59    , implies( not( X ), Y ) ), Z ) ) ) ] )
% 2.16/2.59  , 1, clause( 648, [ 'is_a_theorem'( implies( implies( X, Y ), implies( Z, 
% 2.16/2.59    implies( implies( Z, X ), Y ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( X, implies( 
% 2.16/2.59    implies( X, Y ), implies( not( Y ), Z ) ) ) )] ), substitution( 1, [ :=( 
% 2.16/2.59    X, Y ), :=( Y, implies( not( Y ), Z ) ), :=( Z, X )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 719, [ 'is_a_theorem'( implies( X, implies( implies( X, Y ), 
% 2.16/2.59    implies( not( Y ), Z ) ) ) ) ] )
% 2.16/2.59  , clause( 52199, [ 'is_a_theorem'( implies( X, implies( implies( X, Y ), 
% 2.16/2.59    implies( not( Y ), Z ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52201, [ ~( 'is_a_theorem'( implies( implies( X, implies( implies( 
% 2.16/2.59    X, Y ), implies( not( Y ), Z ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 2.16/2.59  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 2.16/2.59    , ~( 'is_a_theorem'( X ) ) ] )
% 2.16/2.59  , 2, clause( 719, [ 'is_a_theorem'( implies( X, implies( implies( X, Y ), 
% 2.16/2.59    implies( not( Y ), Z ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, implies( X, implies( implies( X, Y ), 
% 2.16/2.59    implies( not( Y ), Z ) ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X
% 2.16/2.59     ), :=( Y, Y ), :=( Z, Z )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 787, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 2.16/2.59    , implies( implies( X, Y ), implies( not( Y ), Z ) ) ), T ) ) ) ] )
% 2.16/2.59  , clause( 52201, [ ~( 'is_a_theorem'( implies( implies( X, implies( implies( 
% 2.16/2.59    X, Y ), implies( not( Y ), Z ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 2.16/2.59    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52202, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( Y
% 2.16/2.59     ), not( X ) ) ) ) ] )
% 2.16/2.59  , clause( 787, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 2.16/2.59    X, implies( implies( X, Y ), implies( not( Y ), Z ) ) ), T ) ) ) ] )
% 2.16/2.59  , 1, clause( 279, [ 'is_a_theorem'( implies( implies( X, implies( Y, 
% 2.16/2.59    implies( Z, not( X ) ) ) ), implies( Y, implies( Z, not( X ) ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, not( X ) ), :=( T, 
% 2.16/2.59    implies( implies( X, Y ), implies( not( Y ), not( X ) ) ) )] ), 
% 2.16/2.59    substitution( 1, [ :=( X, X ), :=( Y, implies( X, Y ) ), :=( Z, not( Y )
% 2.16/2.59     )] )).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 51971, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( Y
% 2.16/2.59     ), not( X ) ) ) ) ] )
% 2.16/2.59  , clause( 52202, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( 
% 2.16/2.59    Y ), not( X ) ) ) ) ] )
% 2.16/2.59  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.16/2.59     )] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  resolution(
% 2.16/2.59  clause( 52203, [] )
% 2.16/2.59  , clause( 6, [ ~( 'is_a_theorem'( implies( implies( a, b ), implies( not( b
% 2.16/2.59     ), not( a ) ) ) ) ) ] )
% 2.16/2.59  , 0, clause( 51971, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 2.16/2.59    not( Y ), not( X ) ) ) ) ] )
% 2.16/2.59  , 0, substitution( 0, [] ), substitution( 1, [ :=( X, a ), :=( Y, b )] )
% 2.16/2.59    ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  subsumption(
% 2.16/2.59  clause( 52172, [] )
% 2.16/2.59  , clause( 52203, [] )
% 2.16/2.59  , substitution( 0, [] ), permutation( 0, [] ) ).
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  end.
% 2.16/2.59  
% 2.16/2.59  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.16/2.59  
% 2.16/2.59  Memory use:
% 2.16/2.59  
% 2.16/2.59  space for terms:        982297
% 2.16/2.59  space for clauses:      4593829
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  clauses generated:      178334
% 2.16/2.59  clauses kept:           52173
% 2.16/2.59  clauses selected:       2673
% 2.16/2.59  clauses deleted:        79
% 2.16/2.59  clauses inuse deleted:  10
% 2.16/2.59  
% 2.16/2.59  subsentry:          137939
% 2.16/2.59  literals s-matched: 126240
% 2.16/2.59  literals matched:   126240
% 2.16/2.59  full subsumption:   0
% 2.16/2.59  
% 2.16/2.59  checksum:           -1187035834
% 2.16/2.59  
% 2.16/2.59  
% 2.16/2.59  Bliksem ended
%------------------------------------------------------------------------------