TSTP Solution File: LCL068-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : LCL068-1 : TPTP v8.1.0. Bugfixed v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n012.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 07:49:52 EDT 2022

% Result   : Unsatisfiable 1.53s 1.95s
% Output   : Refutation 1.53s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL068-1 : TPTP v8.1.0. Bugfixed v1.2.0.
% 0.00/0.13  % Command  : bliksem %s
% 0.12/0.33  % Computer : n012.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 : Mon Jul  4 17:17:01 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.53/1.95  *** allocated 10000 integers for termspace/termends
% 1.53/1.95  *** allocated 10000 integers for clauses
% 1.53/1.95  *** allocated 10000 integers for justifications
% 1.53/1.95  Bliksem 1.12
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Automatic Strategy Selection
% 1.53/1.95  
% 1.53/1.95  Clauses:
% 1.53/1.95  [
% 1.53/1.95     [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 'is_a_theorem'( X ) ), 
% 1.53/1.95    'is_a_theorem'( Y ) ],
% 1.53/1.95     [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), implies( Y, Z
% 1.53/1.95     ) ) ) ],
% 1.53/1.95     [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), implies( not( 
% 1.53/1.95    X ), Z ) ) ) ],
% 1.53/1.95     [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( implies( Z, 
% 1.53/1.95    Y ), implies( implies( X, Z ), Y ) ) ) ) ],
% 1.53/1.95     [ ~( 'is_a_theorem'( implies( implies( not( a ), a ), a ) ) ) ]
% 1.53/1.95  ] .
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  percentage equality = 0.000000, percentage horn = 1.000000
% 1.53/1.95  This is a near-Horn, non-equality  problem
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Options Used:
% 1.53/1.95  
% 1.53/1.95  useres =            1
% 1.53/1.95  useparamod =        0
% 1.53/1.95  useeqrefl =         0
% 1.53/1.95  useeqfact =         0
% 1.53/1.95  usefactor =         1
% 1.53/1.95  usesimpsplitting =  0
% 1.53/1.95  usesimpdemod =      0
% 1.53/1.95  usesimpres =        4
% 1.53/1.95  
% 1.53/1.95  resimpinuse      =  1000
% 1.53/1.95  resimpclauses =     20000
% 1.53/1.95  substype =          standard
% 1.53/1.95  backwardsubs =      1
% 1.53/1.95  selectoldest =      5
% 1.53/1.95  
% 1.53/1.95  litorderings [0] =  split
% 1.53/1.95  litorderings [1] =  liftord
% 1.53/1.95  
% 1.53/1.95  termordering =      none
% 1.53/1.95  
% 1.53/1.95  litapriori =        1
% 1.53/1.95  termapriori =       0
% 1.53/1.95  litaposteriori =    0
% 1.53/1.95  termaposteriori =   0
% 1.53/1.95  demodaposteriori =  0
% 1.53/1.95  ordereqreflfact =   0
% 1.53/1.95  
% 1.53/1.95  litselect =         negative
% 1.53/1.95  
% 1.53/1.95  maxweight =         30000
% 1.53/1.95  maxdepth =          30000
% 1.53/1.95  maxlength =         115
% 1.53/1.95  maxnrvars =         195
% 1.53/1.95  excuselevel =       0
% 1.53/1.95  increasemaxweight = 0
% 1.53/1.95  
% 1.53/1.95  maxselected =       10000000
% 1.53/1.95  maxnrclauses =      10000000
% 1.53/1.95  
% 1.53/1.95  showgenerated =    0
% 1.53/1.95  showkept =         0
% 1.53/1.95  showselected =     0
% 1.53/1.95  showdeleted =      0
% 1.53/1.95  showresimp =       1
% 1.53/1.95  showstatus =       2000
% 1.53/1.95  
% 1.53/1.95  prologoutput =     1
% 1.53/1.95  nrgoals =          5000000
% 1.53/1.95  totalproof =       1
% 1.53/1.95  
% 1.53/1.95  Symbols occurring in the translation:
% 1.53/1.95  
% 1.53/1.95  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 1.53/1.95  .  [1, 2]      (w:1, o:20, a:1, s:1, b:0), 
% 1.53/1.95  !  [4, 1]      (w:1, o:13, a:1, s:1, b:0), 
% 1.53/1.95  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.53/1.95  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.53/1.95  implies  [41, 2]      (w:1, o:45, a:1, s:1, b:0), 
% 1.53/1.95  'is_a_theorem'  [42, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 1.53/1.95  not  [44, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 1.53/1.95  a  [45, 0]      (w:1, o:12, a:1, s:1, b:0).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Starting Search:
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    10126
% 1.53/1.95  Kept:         2005
% 1.53/1.95  Inuse:        407
% 1.53/1.95  Deleted:      2
% 1.53/1.95  Deletedinuse: 0
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    19907
% 1.53/1.95  Kept:         4055
% 1.53/1.95  Inuse:        647
% 1.53/1.95  Deleted:      5
% 1.53/1.95  Deletedinuse: 2
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    28103
% 1.53/1.95  Kept:         6073
% 1.53/1.95  Inuse:        853
% 1.53/1.95  Deleted:      7
% 1.53/1.95  Deletedinuse: 4
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    35435
% 1.53/1.95  Kept:         8086
% 1.53/1.95  Inuse:        994
% 1.53/1.95  Deleted:      10
% 1.53/1.95  Deletedinuse: 6
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    45329
% 1.53/1.95  Kept:         10123
% 1.53/1.95  Inuse:        1220
% 1.53/1.95  Deleted:      12
% 1.53/1.95  Deletedinuse: 7
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    55102
% 1.53/1.95  Kept:         12188
% 1.53/1.95  Inuse:        1345
% 1.53/1.95  Deleted:      18
% 1.53/1.95  Deletedinuse: 9
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    65639
% 1.53/1.95  Kept:         14208
% 1.53/1.95  Inuse:        1445
% 1.53/1.95  Deleted:      20
% 1.53/1.95  Deletedinuse: 10
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    70764
% 1.53/1.95  Kept:         16270
% 1.53/1.95  Inuse:        1495
% 1.53/1.95  Deleted:      21
% 1.53/1.95  Deletedinuse: 11
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    78007
% 1.53/1.95  Kept:         18280
% 1.53/1.95  Inuse:        1580
% 1.53/1.95  Deleted:      23
% 1.53/1.95  Deletedinuse: 12
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying clauses:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    84384
% 1.53/1.95  Kept:         20352
% 1.53/1.95  Inuse:        1651
% 1.53/1.95  Deleted:      231
% 1.53/1.95  Deletedinuse: 12
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    90664
% 1.53/1.95  Kept:         22486
% 1.53/1.95  Inuse:        1710
% 1.53/1.95  Deleted:      231
% 1.53/1.95  Deletedinuse: 12
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    99432
% 1.53/1.95  Kept:         24486
% 1.53/1.95  Inuse:        1809
% 1.53/1.95  Deleted:      247
% 1.53/1.95  Deletedinuse: 27
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    104990
% 1.53/1.95  Kept:         26618
% 1.53/1.95  Inuse:        1874
% 1.53/1.95  Deleted:      247
% 1.53/1.95  Deletedinuse: 27
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    112768
% 1.53/1.95  Kept:         28651
% 1.53/1.95  Inuse:        1934
% 1.53/1.95  Deleted:      247
% 1.53/1.95  Deletedinuse: 27
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    118727
% 1.53/1.95  Kept:         30668
% 1.53/1.95  Inuse:        2014
% 1.53/1.95  Deleted:      251
% 1.53/1.95  Deletedinuse: 31
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    125557
% 1.53/1.95  Kept:         32734
% 1.53/1.95  Inuse:        2070
% 1.53/1.95  Deleted:      251
% 1.53/1.95  Deletedinuse: 31
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  Resimplifying inuse:
% 1.53/1.95  Done
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Intermediate Status:
% 1.53/1.95  Generated:    137088
% 1.53/1.95  Kept:         34784
% 1.53/1.95  Inuse:        2159
% 1.53/1.95  Deleted:      251
% 1.53/1.95  Deletedinuse: 31
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Bliksems!, er is een bewijs:
% 1.53/1.95  % SZS status Unsatisfiable
% 1.53/1.95  % SZS output start Refutation
% 1.53/1.95  
% 1.53/1.95  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 1.53/1.95    ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 1, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 2, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 4, [ ~( 'is_a_theorem'( implies( implies( not( a ), a ), a ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  .
% 1.53/1.95  clause( 5, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 7, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( not( X ), Y ), implies( implies( Z, Y ), implies( implies( X, Z
% 1.53/1.95     ), Y ) ) ), T ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 8, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), implies( Y, Z
% 1.53/1.95     ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 9, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 11, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.53/1.95    implies( Y, X ) ), Z ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 12, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.53/1.95    implies( X, Y ) ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 15, [ 'is_a_theorem'( implies( not( X ), implies( Y, implies( X, Z
% 1.53/1.95     ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 16, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 23, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.53/1.95    implies( Y, implies( Z, X ) ) ), T ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 24, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.53/1.95    X ), implies( Y, implies( X, Z ) ) ), T ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 29, [ 'is_a_theorem'( implies( not( not( X ) ), implies( implies( Y
% 1.53/1.95    , Z ), implies( implies( X, Y ), Z ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 34, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z, 
% 1.53/1.95    not( T ) ) ) ), implies( implies( T, X ), implies( Y, implies( Z, not( T
% 1.53/1.95     ) ) ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 40, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( implies( T, Y ), X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 79, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z, 
% 1.53/1.95    T ) ) ), implies( implies( Z, X ), implies( Y, implies( Z, T ) ) ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  .
% 1.53/1.95  clause( 161, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( Z
% 1.53/1.95    , implies( Y, not( X ) ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 183, [ 'is_a_theorem'( implies( implies( implies( X, Y ), implies( 
% 1.53/1.95    implies( Z, Y ), T ) ), implies( Y, T ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 214, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , X ), Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 220, [ 'is_a_theorem'( implies( X, implies( Y, not( not( Y ) ) ) )
% 1.53/1.95     ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 232, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 234, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 237, [ 'is_a_theorem'( implies( X, not( not( X ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 239, [ 'is_a_theorem'( not( not( implies( X, X ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 256, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( not( not( 
% 1.53/1.95    implies( X, X ) ) ), Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 303, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.53/1.95    implies( Z, Z ), X ), Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 466, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( Y, X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 542, [ 'is_a_theorem'( implies( implies( implies( X, X ), Y ), 
% 1.53/1.95    implies( Z, Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 553, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, X ), Y ), implies( Z, Y ) ), T ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 601, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( Y
% 1.53/1.95    , implies( X, Z ) ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 614, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 638, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , implies( not( X ), Y ) ), Z ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 698, [ 'is_a_theorem'( implies( implies( X, implies( not( not( Y )
% 1.53/1.95     ), Z ) ), implies( implies( Y, X ), implies( not( not( Y ) ), Z ) ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 23432, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y, 
% 1.53/1.95    Y ), Z ) ), implies( X, Z ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 23480, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( X, Y ), Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 35076, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( 
% 1.53/1.95    not( X ) ), Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 35117, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 35125, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( not( X ) ), X ), Y ) ) ) ] )
% 1.53/1.95  .
% 1.53/1.95  clause( 35311, [ 'is_a_theorem'( implies( implies( not( X ), X ), X ) ) ]
% 1.53/1.95     )
% 1.53/1.95  .
% 1.53/1.95  clause( 35480, [] )
% 1.53/1.95  .
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  % SZS output end Refutation
% 1.53/1.95  found a proof!
% 1.53/1.95  
% 1.53/1.95  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.53/1.95  
% 1.53/1.95  initialclauses(
% 1.53/1.95  [ clause( 35482, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 1.53/1.95    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 1.53/1.95  , clause( 35483, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ) ] )
% 1.53/1.95  , clause( 35484, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  , clause( 35485, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , clause( 35486, [ ~( 'is_a_theorem'( implies( implies( not( a ), a ), a )
% 1.53/1.95     ) ) ] )
% 1.53/1.95  ] ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 1.53/1.95    ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , clause( 35482, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 1.53/1.95    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.53/1.95     ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 1, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ) ] )
% 1.53/1.95  , clause( 35483, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 2, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  , clause( 35484, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , clause( 35485, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 4, [ ~( 'is_a_theorem'( implies( implies( not( a ), a ), a ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , clause( 35486, [ ~( 'is_a_theorem'( implies( implies( not( a ), a ), a )
% 1.53/1.95     ) ) ] )
% 1.53/1.95  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35488, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X, 
% 1.53/1.95    Y ), Z ), implies( Y, Z ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 1, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y
% 1.53/1.95    , Y ), :=( Z, Z )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 5, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  , clause( 35488, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X
% 1.53/1.95    , Y ), Z ), implies( Y, Z ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35490, [ ~( 'is_a_theorem'( implies( implies( implies( not( X ), Y
% 1.53/1.95     ), implies( implies( Z, Y ), implies( implies( X, Z ), Y ) ) ), T ) ) )
% 1.53/1.95    , 'is_a_theorem'( T ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ), :=( Y, T )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 7, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( not( X ), Y ), implies( implies( Z, Y ), implies( implies( X, Z
% 1.53/1.95     ), Y ) ) ), T ) ) ) ] )
% 1.53/1.95  , clause( 35490, [ ~( 'is_a_theorem'( implies( implies( implies( not( X ), 
% 1.53/1.95    Y ), implies( implies( Z, Y ), implies( implies( X, Z ), Y ) ) ), T ) ) )
% 1.53/1.95    , 'is_a_theorem'( T ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35491, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), implies( 
% 1.53/1.95    Y, Z ) ) ) ] )
% 1.53/1.95  , clause( 5, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, implies( 
% 1.53/1.95    not( implies( X, Y ) ), implies( Y, Z ) ) )] ), substitution( 1, [ :=( X
% 1.53/1.95    , implies( X, Y ) ), :=( Y, Z ), :=( Z, implies( Y, Z ) )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 8, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), implies( Y, Z
% 1.53/1.95     ) ) ) ] )
% 1.53/1.95  , clause( 35491, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), implies( 
% 1.53/1.95    Y, Z ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35492, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.53/1.95  , clause( 5, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 1, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Z ), :=( Y, Y ), :=( Z, X ), :=( T, implies( 
% 1.53/1.95    X, implies( Y, X ) ) )] ), substitution( 1, [ :=( X, implies( Z, Y ) ), 
% 1.53/1.95    :=( Y, X ), :=( Z, implies( Y, X ) )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 9, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.53/1.95  , clause( 35492, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.53/1.95     )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35494, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X ) )
% 1.53/1.95    , Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 9, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, X ) ) ), :=( Y, Z )] )
% 1.53/1.95    , substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 11, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.53/1.95    implies( Y, X ) ), Z ) ) ) ] )
% 1.53/1.95  , clause( 35494, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X )
% 1.53/1.95     ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35496, [ ~( 'is_a_theorem'( implies( implies( not( implies( X, Y )
% 1.53/1.95     ), implies( Y, Z ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 8, [ 'is_a_theorem'( implies( not( implies( X, Y ) ), implies( 
% 1.53/1.95    Y, Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( not( implies( X, Y ) ), implies( Y
% 1.53/1.95    , Z ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( 
% 1.53/1.95    Z, Z )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 12, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.53/1.95    implies( X, Y ) ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  , clause( 35496, [ ~( 'is_a_theorem'( implies( implies( not( implies( X, Y
% 1.53/1.95     ) ), implies( Y, Z ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35497, [ 'is_a_theorem'( implies( not( X ), implies( Y, implies( X
% 1.53/1.95    , Z ) ) ) ) ] )
% 1.53/1.95  , clause( 11, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , implies( Y, X ) ), Z ) ) ) ] )
% 1.53/1.95  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( X, Z ) ), :=( Y, Y ), :=( Z, 
% 1.53/1.95    implies( not( X ), implies( Y, implies( X, Z ) ) ) )] ), substitution( 1
% 1.53/1.95    , [ :=( X, X ), :=( Y, Z ), :=( Z, implies( Y, implies( X, Z ) ) )] )
% 1.53/1.95    ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 15, [ 'is_a_theorem'( implies( not( X ), implies( Y, implies( X, Z
% 1.53/1.95     ) ) ) ) ] )
% 1.53/1.95  , clause( 35497, [ 'is_a_theorem'( implies( not( X ), implies( Y, implies( 
% 1.53/1.95    X, Z ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35498, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) )
% 1.53/1.95     ) ) ] )
% 1.53/1.95  , clause( 11, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , implies( Y, X ) ), Z ) ) ) ] )
% 1.53/1.95  , 1, clause( 1, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( Y, Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( Z, X ) ), :=( Y, Y ), :=( Z, 
% 1.53/1.95    implies( X, implies( Y, implies( Z, X ) ) ) )] ), substitution( 1, [ :=( 
% 1.53/1.95    X, Z ), :=( Y, X ), :=( Z, implies( Y, implies( Z, X ) ) )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 16, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , clause( 35498, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X )
% 1.53/1.95     ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35500, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.53/1.95    implies( Z, X ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 16, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X )
% 1.53/1.95     ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, implies( Z, X ) ) )
% 1.53/1.95     ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )
% 1.53/1.95    ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 23, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.53/1.95    implies( Y, implies( Z, X ) ) ), T ) ) ) ] )
% 1.53/1.95  , clause( 35500, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.53/1.95    implies( Z, X ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35502, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( Y
% 1.53/1.95    , implies( X, Z ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 15, [ 'is_a_theorem'( implies( not( X ), implies( Y, implies( 
% 1.53/1.95    X, Z ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( not( X ), implies( Y, implies( X, Z
% 1.53/1.95     ) ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z
% 1.53/1.95    , Z )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 24, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( not( 
% 1.53/1.95    X ), implies( Y, implies( X, Z ) ) ), T ) ) ) ] )
% 1.53/1.95  , clause( 35502, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( 
% 1.53/1.95    Y, implies( X, Z ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35503, [ 'is_a_theorem'( implies( not( not( X ) ), implies( implies( 
% 1.53/1.95    Y, Z ), implies( implies( X, Y ), Z ) ) ) ) ] )
% 1.53/1.95  , clause( 7, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( not( X ), Y ), implies( implies( Z, Y ), implies( implies( X, Z
% 1.53/1.95     ), Y ) ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, X ), :=( Y, Z ), :=( Z, Y ), :=( T, implies( 
% 1.53/1.95    not( not( X ) ), implies( implies( Y, Z ), implies( implies( X, Y ), Z )
% 1.53/1.95     ) ) )] ), substitution( 1, [ :=( X, not( X ) ), :=( Y, Z ), :=( Z, 
% 1.53/1.95    implies( implies( Y, Z ), implies( implies( X, Y ), Z ) ) )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 29, [ 'is_a_theorem'( implies( not( not( X ) ), implies( implies( Y
% 1.53/1.95    , Z ), implies( implies( X, Y ), Z ) ) ) ) ] )
% 1.53/1.95  , clause( 35503, [ 'is_a_theorem'( implies( not( not( X ) ), implies( 
% 1.53/1.95    implies( Y, Z ), implies( implies( X, Y ), Z ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35504, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 1.53/1.95    Z, not( T ) ) ) ), implies( implies( T, X ), implies( Y, implies( Z, not( 
% 1.53/1.95    T ) ) ) ) ) ) ] )
% 1.53/1.95  , clause( 23, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , implies( Y, implies( Z, X ) ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, not( T ) ), :=( Y, Y ), :=( Z, Z ), :=( T, 
% 1.53/1.95    implies( implies( X, implies( Y, implies( Z, not( T ) ) ) ), implies( 
% 1.53/1.95    implies( T, X ), implies( Y, implies( Z, not( T ) ) ) ) ) )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, T ), :=( Y, implies( Y, implies( Z, not( T ) )
% 1.53/1.95     ) ), :=( Z, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 34, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z, 
% 1.53/1.95    not( T ) ) ) ), implies( implies( T, X ), implies( Y, implies( Z, not( T
% 1.53/1.95     ) ) ) ) ) ) ] )
% 1.53/1.95  , clause( 35504, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 1.53/1.95    Z, not( T ) ) ) ), implies( implies( T, X ), implies( Y, implies( Z, not( 
% 1.53/1.95    T ) ) ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35505, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( implies( T, Y ), X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , clause( 12, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( implies( X, Y ) ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, T ), :=( Y, Y ), :=( Z, Z ), :=( T, implies( 
% 1.53/1.95    implies( X, implies( Y, Z ) ), implies( implies( implies( T, Y ), X ), 
% 1.53/1.95    implies( Y, Z ) ) ) )] ), substitution( 1, [ :=( X, implies( T, Y ) ), 
% 1.53/1.95    :=( Y, implies( Y, Z ) ), :=( Z, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 40, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( implies( T, Y ), X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , clause( 35505, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( implies( T, Y ), X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35506, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 1.53/1.95    Z, T ) ) ), implies( implies( Z, X ), implies( Y, implies( Z, T ) ) ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , clause( 24, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( X ), implies( Y, implies( X, Z ) ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Z ), :=( Y, Y ), :=( Z, T ), :=( T, implies( 
% 1.53/1.95    implies( X, implies( Y, implies( Z, T ) ) ), implies( implies( Z, X ), 
% 1.53/1.95    implies( Y, implies( Z, T ) ) ) ) )] ), substitution( 1, [ :=( X, Z ), 
% 1.53/1.95    :=( Y, implies( Y, implies( Z, T ) ) ), :=( Z, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 79, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( Z, 
% 1.53/1.95    T ) ) ), implies( implies( Z, X ), implies( Y, implies( Z, T ) ) ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , clause( 35506, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 1.53/1.95    Z, T ) ) ), implies( implies( Z, X ), implies( Y, implies( Z, T ) ) ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35507, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.53/1.95    Z, implies( Y, not( X ) ) ) ) ) ] )
% 1.53/1.95  , clause( 24, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( X ), implies( Y, implies( X, Z ) ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 34, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 1.53/1.95    Z, not( T ) ) ) ), implies( implies( T, X ), implies( Y, implies( Z, not( 
% 1.53/1.95    T ) ) ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, not( X ) ), :=( T, 
% 1.53/1.95    implies( implies( X, not( Y ) ), implies( Z, implies( Y, not( X ) ) ) ) )] )
% 1.53/1.95    , substitution( 1, [ :=( X, not( Y ) ), :=( Y, Z ), :=( Z, Y ), :=( T, X
% 1.53/1.95     )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 161, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( Z
% 1.53/1.95    , implies( Y, not( X ) ) ) ) ) ] )
% 1.53/1.95  , clause( 35507, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.53/1.95    Z, implies( Y, not( X ) ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35508, [ 'is_a_theorem'( implies( implies( implies( X, Y ), implies( 
% 1.53/1.95    implies( Z, Y ), T ) ), implies( Y, T ) ) ) ] )
% 1.53/1.95  , clause( 5, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 40, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( implies( T, Y ), X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Z ), :=( Y, Y ), :=( Z, T ), :=( T, implies( 
% 1.53/1.95    implies( implies( X, Y ), implies( implies( Z, Y ), T ) ), implies( Y, T
% 1.53/1.95     ) ) )] ), substitution( 1, [ :=( X, implies( implies( Z, Y ), T ) ), 
% 1.53/1.95    :=( Y, Y ), :=( Z, T ), :=( T, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 183, [ 'is_a_theorem'( implies( implies( implies( X, Y ), implies( 
% 1.53/1.95    implies( Z, Y ), T ) ), implies( Y, T ) ) ) ] )
% 1.53/1.95  , clause( 35508, [ 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 1.53/1.95    implies( implies( Z, Y ), T ) ), implies( Y, T ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35509, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.53/1.95  , clause( 5, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, Y ), Z ), implies( Y, Z ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 183, [ 'is_a_theorem'( implies( implies( implies( X, Y ), 
% 1.53/1.95    implies( implies( Z, Y ), T ) ), implies( Y, T ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, implies( Z, X ) ), :=( Z, X ), 
% 1.53/1.95    :=( T, implies( X, X ) )] ), substitution( 1, [ :=( X, implies( Y, 
% 1.53/1.95    implies( Z, X ) ) ), :=( Y, X ), :=( Z, Z ), :=( T, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 214, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.53/1.95  , clause( 35509, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35511, [ ~( 'is_a_theorem'( implies( implies( X, X ), Y ) ) ), 
% 1.53/1.95    'is_a_theorem'( Y ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 214, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( X, X ) ), :=( Y, Y )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , X ), Y ) ) ) ] )
% 1.53/1.95  , clause( 35511, [ ~( 'is_a_theorem'( implies( implies( X, X ), Y ) ) ), 
% 1.53/1.95    'is_a_theorem'( Y ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.53/1.95     ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35512, [ 'is_a_theorem'( implies( X, implies( Y, not( not( Y ) ) )
% 1.53/1.95     ) ) ] )
% 1.53/1.95  , clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    X, X ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 161, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), 
% 1.53/1.95    implies( Z, implies( Y, not( X ) ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, not( Y ) ), :=( Y, implies( X, implies( Y, 
% 1.53/1.95    not( not( Y ) ) ) ) )] ), substitution( 1, [ :=( X, not( Y ) ), :=( Y, Y
% 1.53/1.95     ), :=( Z, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 220, [ 'is_a_theorem'( implies( X, implies( Y, not( not( Y ) ) ) )
% 1.53/1.95     ) ] )
% 1.53/1.95  , clause( 35512, [ 'is_a_theorem'( implies( X, implies( Y, not( not( Y ) )
% 1.53/1.95     ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.53/1.95     )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35513, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    X, X ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( implies( X, Y ), Z ), 
% 1.53/1.95    implies( not( X ), Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( X, Y ) ), :=( Y, implies( not( X )
% 1.53/1.95    , implies( X, Y ) ) )] ), substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( 
% 1.53/1.95    Z, implies( X, Y ) )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 232, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ] )
% 1.53/1.95  , clause( 35513, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.53/1.95     )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35515, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( X
% 1.53/1.95    , Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 232, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( not( X ), implies( X, Y ) ) ), :=( 
% 1.53/1.95    Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 234, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.53/1.95  , clause( 35515, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( 
% 1.53/1.95    X, Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35516, [ 'is_a_theorem'( implies( X, not( not( X ) ) ) ) ] )
% 1.53/1.95  , clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    X, X ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 220, [ 'is_a_theorem'( implies( X, implies( Y, not( not( Y ) )
% 1.53/1.95     ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, implies( X, not( not( X ) ) ) )] )
% 1.53/1.95    , substitution( 1, [ :=( X, implies( Y, Y ) ), :=( Y, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 237, [ 'is_a_theorem'( implies( X, not( not( X ) ) ) ) ] )
% 1.53/1.95  , clause( 35516, [ 'is_a_theorem'( implies( X, not( not( X ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35517, [ 'is_a_theorem'( not( not( implies( X, X ) ) ) ) ] )
% 1.53/1.95  , clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    X, X ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 237, [ 'is_a_theorem'( implies( X, not( not( X ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, X ), :=( Y, not( not( implies( X, X ) ) ) )] )
% 1.53/1.95    , substitution( 1, [ :=( X, implies( X, X ) )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 239, [ 'is_a_theorem'( not( not( implies( X, X ) ) ) ) ] )
% 1.53/1.95  , clause( 35517, [ 'is_a_theorem'( not( not( implies( X, X ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35518, [ ~( 'is_a_theorem'( implies( not( not( implies( X, X ) ) )
% 1.53/1.95    , Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 239, [ 'is_a_theorem'( not( not( implies( X, X ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, not( not( implies( X, X ) ) ) ), :=( Y, Y )] )
% 1.53/1.95    , substitution( 1, [ :=( X, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 256, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( not( not( 
% 1.53/1.95    implies( X, X ) ) ), Y ) ) ) ] )
% 1.53/1.95  , clause( 35518, [ ~( 'is_a_theorem'( implies( not( not( implies( X, X ) )
% 1.53/1.95     ), Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.53/1.95     ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35519, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.53/1.95    implies( Z, Z ), X ), Y ) ) ) ] )
% 1.53/1.95  , clause( 256, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( not( not( 
% 1.53/1.95    implies( X, X ) ) ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 29, [ 'is_a_theorem'( implies( not( not( X ) ), implies( 
% 1.53/1.95    implies( Y, Z ), implies( implies( X, Y ), Z ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Z ), :=( Y, implies( implies( X, Y ), 
% 1.53/1.95    implies( implies( implies( Z, Z ), X ), Y ) ) )] ), substitution( 1, [ 
% 1.53/1.95    :=( X, implies( Z, Z ) ), :=( Y, X ), :=( Z, Y )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 303, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.53/1.95    implies( Z, Z ), X ), Y ) ) ) ] )
% 1.53/1.95  , clause( 35519, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.53/1.95    implies( implies( Z, Z ), X ), Y ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35520, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( Y, X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , clause( 234, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.53/1.95  , 1, clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( implies( X
% 1.53/1.95    , implies( Y, Z ) ), implies( implies( Y, X ), implies( Y, Z ) ) ) )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, Y ), :=( Y, implies( Y, Z ) ), :=( Z, X )] )
% 1.53/1.95    ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 466, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( Y, X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , clause( 35520, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.53/1.95    implies( implies( Y, X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35521, [ 'is_a_theorem'( implies( implies( implies( X, X ), Y ), 
% 1.53/1.95    implies( Z, Y ) ) ) ] )
% 1.53/1.95  , clause( 11, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , implies( Y, X ) ), Z ) ) ) ] )
% 1.53/1.95  , 1, clause( 303, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.53/1.95    implies( implies( Z, Z ), X ), Y ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( implies( 
% 1.53/1.95    implies( X, X ), Y ), implies( Z, Y ) ) )] ), substitution( 1, [ :=( X, Y
% 1.53/1.95     ), :=( Y, implies( Z, Y ) ), :=( Z, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 542, [ 'is_a_theorem'( implies( implies( implies( X, X ), Y ), 
% 1.53/1.95    implies( Z, Y ) ) ) ] )
% 1.53/1.95  , clause( 35521, [ 'is_a_theorem'( implies( implies( implies( X, X ), Y ), 
% 1.53/1.95    implies( Z, Y ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35523, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X, 
% 1.53/1.95    X ), Y ), implies( Z, Y ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 542, [ 'is_a_theorem'( implies( implies( implies( X, X ), Y )
% 1.53/1.95    , implies( Z, Y ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( implies( implies( X, X ), Y ), 
% 1.53/1.95    implies( Z, Y ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y
% 1.53/1.95    , Y ), :=( Z, Z )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 553, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, X ), Y ), implies( Z, Y ) ), T ) ) ) ] )
% 1.53/1.95  , clause( 35523, [ ~( 'is_a_theorem'( implies( implies( implies( implies( X
% 1.53/1.95    , X ), Y ), implies( Z, Y ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35524, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.53/1.95    Y, implies( X, Z ) ) ) ) ] )
% 1.53/1.95  , clause( 234, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.53/1.95  , 1, clause( 79, [ 'is_a_theorem'( implies( implies( X, implies( Y, implies( 
% 1.53/1.95    Z, T ) ) ), implies( implies( Z, X ), implies( Y, implies( Z, T ) ) ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, implies( X, Z ) ), :=( Z, 
% 1.53/1.95    implies( implies( X, not( Y ) ), implies( Y, implies( X, Z ) ) ) )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, not( Y ) ), :=( Y, Y ), :=( Z, X ), :=( T, Z )] )
% 1.53/1.95    ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 601, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( Y
% 1.53/1.95    , implies( X, Z ) ) ) ) ] )
% 1.53/1.95  , clause( 35524, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), implies( 
% 1.53/1.95    Y, implies( X, Z ) ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35525, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    X, X ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 601, [ 'is_a_theorem'( implies( implies( X, not( Y ) ), 
% 1.53/1.95    implies( Y, implies( X, Z ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, not( X ) ), :=( Y, implies( X, implies( not( 
% 1.53/1.95    X ), Y ) ) )] ), substitution( 1, [ :=( X, not( X ) ), :=( Y, X ), :=( Z
% 1.53/1.95    , Y )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 614, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ] )
% 1.53/1.95  , clause( 35525, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.53/1.95     )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35527, [ ~( 'is_a_theorem'( implies( implies( X, implies( not( X )
% 1.53/1.95    , Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 614, [ 'is_a_theorem'( implies( X, implies( not( X ), Y ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( X, implies( not( X ), Y ) ) ), :=( 
% 1.53/1.95    Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 638, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , implies( not( X ), Y ) ), Z ) ) ) ] )
% 1.53/1.95  , clause( 35527, [ ~( 'is_a_theorem'( implies( implies( X, implies( not( X
% 1.53/1.95     ), Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35528, [ 'is_a_theorem'( implies( implies( X, implies( not( not( Y
% 1.53/1.95     ) ), Z ) ), implies( implies( Y, X ), implies( not( not( Y ) ), Z ) ) )
% 1.53/1.95     ) ] )
% 1.53/1.95  , clause( 638, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    X, implies( not( X ), Y ) ), Z ) ) ) ] )
% 1.53/1.95  , 1, clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( Z, Y ), implies( implies( X, Z ), Y ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, not( Y ) ), :=( Y, Z ), :=( Z, implies( 
% 1.53/1.95    implies( X, implies( not( not( Y ) ), Z ) ), implies( implies( Y, X ), 
% 1.53/1.95    implies( not( not( Y ) ), Z ) ) ) )] ), substitution( 1, [ :=( X, Y ), 
% 1.53/1.95    :=( Y, implies( not( not( Y ) ), Z ) ), :=( Z, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 698, [ 'is_a_theorem'( implies( implies( X, implies( not( not( Y )
% 1.53/1.95     ), Z ) ), implies( implies( Y, X ), implies( not( not( Y ) ), Z ) ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , clause( 35528, [ 'is_a_theorem'( implies( implies( X, implies( not( not( 
% 1.53/1.95    Y ) ), Z ) ), implies( implies( Y, X ), implies( not( not( Y ) ), Z ) ) )
% 1.53/1.95     ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35529, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y, 
% 1.53/1.95    Y ), Z ) ), implies( X, Z ) ) ) ] )
% 1.53/1.95  , clause( 553, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( implies( X, X ), Y ), implies( Z, Y ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 466, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) )
% 1.53/1.95    , implies( implies( Y, X ), implies( Y, Z ) ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, X ), :=( T, implies( 
% 1.53/1.95    implies( X, implies( implies( Y, Y ), Z ) ), implies( X, Z ) ) )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, implies( implies( Y, Y ), Z ) ), :=( Y, X ), 
% 1.53/1.95    :=( Z, Z )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 23432, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y, 
% 1.53/1.95    Y ), Z ) ), implies( X, Z ) ) ) ] )
% 1.53/1.95  , clause( 35529, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y
% 1.53/1.95    , Y ), Z ) ), implies( X, Z ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.53/1.95    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35530, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( X, Y ), Y ) ) ) ] )
% 1.53/1.95  , clause( 7, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    implies( not( X ), Y ), implies( implies( Z, Y ), implies( implies( X, Z
% 1.53/1.95     ), Y ) ) ), T ) ) ) ] )
% 1.53/1.95  , 1, clause( 23432, [ 'is_a_theorem'( implies( implies( X, implies( implies( 
% 1.53/1.95    Y, Y ), Z ) ), implies( X, Z ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Y ), :=( T, implies( 
% 1.53/1.95    implies( not( X ), Y ), implies( implies( X, Y ), Y ) ) )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, implies( not( X ), Y ) ), :=( Y, Y ), :=( Z, 
% 1.53/1.95    implies( implies( X, Y ), Y ) )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 23480, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( X, Y ), Y ) ) ) ] )
% 1.53/1.95  , clause( 35530, [ 'is_a_theorem'( implies( implies( not( X ), Y ), implies( 
% 1.53/1.95    implies( X, Y ), Y ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.53/1.95     )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35531, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( 
% 1.53/1.95    not( X ) ), Y ) ) ) ] )
% 1.53/1.95  , clause( 11, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.53/1.95    , implies( Y, X ) ), Z ) ) ) ] )
% 1.53/1.95  , 1, clause( 698, [ 'is_a_theorem'( implies( implies( X, implies( not( not( 
% 1.53/1.95    Y ) ), Z ) ), implies( implies( Y, X ), implies( not( not( Y ) ), Z ) ) )
% 1.53/1.95     ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, Y ), :=( Y, not( not( X ) ) ), :=( Z, 
% 1.53/1.95    implies( implies( X, Y ), implies( not( not( X ) ), Y ) ) )] ), 
% 1.53/1.95    substitution( 1, [ :=( X, Y ), :=( Y, X ), :=( Z, Y )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 35076, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( 
% 1.53/1.95    not( X ) ), Y ) ) ) ] )
% 1.53/1.95  , clause( 35531, [ 'is_a_theorem'( implies( implies( X, Y ), implies( not( 
% 1.53/1.95    not( X ) ), Y ) ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.53/1.95     )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35532, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.53/1.95  , clause( 216, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    X, X ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 35076, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.53/1.95    not( not( X ) ), Y ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, X ), :=( Y, implies( not( not( X ) ), X ) )] )
% 1.53/1.95    , substitution( 1, [ :=( X, X ), :=( Y, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 35117, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.53/1.95  , clause( 35532, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35534, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), X )
% 1.53/1.95    , Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.53/1.95  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.53/1.95    , ~( 'is_a_theorem'( X ) ) ] )
% 1.53/1.95  , 2, clause( 35117, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, implies( not( not( X ) ), X ) ), :=( Y, Y )] )
% 1.53/1.95    , substitution( 1, [ :=( X, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 35125, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( not( X ) ), X ), Y ) ) ) ] )
% 1.53/1.95  , clause( 35534, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), X
% 1.53/1.95     ), Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.53/1.95  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.53/1.95     ), ==>( 1, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35535, [ 'is_a_theorem'( implies( implies( not( X ), X ), X ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , clause( 35125, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.53/1.95    not( not( X ) ), X ), Y ) ) ) ] )
% 1.53/1.95  , 1, clause( 23480, [ 'is_a_theorem'( implies( implies( not( X ), Y ), 
% 1.53/1.95    implies( implies( X, Y ), Y ) ) ) ] )
% 1.53/1.95  , 0, substitution( 0, [ :=( X, X ), :=( Y, implies( implies( not( X ), X )
% 1.53/1.95    , X ) )] ), substitution( 1, [ :=( X, not( X ) ), :=( Y, X )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 35311, [ 'is_a_theorem'( implies( implies( not( X ), X ), X ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , clause( 35535, [ 'is_a_theorem'( implies( implies( not( X ), X ), X ) ) ]
% 1.53/1.95     )
% 1.53/1.95  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  resolution(
% 1.53/1.95  clause( 35536, [] )
% 1.53/1.95  , clause( 4, [ ~( 'is_a_theorem'( implies( implies( not( a ), a ), a ) ) )
% 1.53/1.95     ] )
% 1.53/1.95  , 0, clause( 35311, [ 'is_a_theorem'( implies( implies( not( X ), X ), X )
% 1.53/1.95     ) ] )
% 1.53/1.95  , 0, substitution( 0, [] ), substitution( 1, [ :=( X, a )] )).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  subsumption(
% 1.53/1.95  clause( 35480, [] )
% 1.53/1.95  , clause( 35536, [] )
% 1.53/1.95  , substitution( 0, [] ), permutation( 0, [] ) ).
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  end.
% 1.53/1.95  
% 1.53/1.95  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.53/1.95  
% 1.53/1.95  Memory use:
% 1.53/1.95  
% 1.53/1.95  space for terms:        756449
% 1.53/1.95  space for clauses:      3493066
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  clauses generated:      141411
% 1.53/1.95  clauses kept:           35481
% 1.53/1.95  clauses selected:       2187
% 1.53/1.95  clauses deleted:        251
% 1.53/1.95  clauses inuse deleted:  31
% 1.53/1.95  
% 1.53/1.95  subsentry:          113854
% 1.53/1.95  literals s-matched: 106182
% 1.53/1.95  literals matched:   106182
% 1.53/1.95  full subsumption:   0
% 1.53/1.95  
% 1.53/1.95  checksum:           1628257048
% 1.53/1.95  
% 1.53/1.95  
% 1.53/1.95  Bliksem ended
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