TSTP Solution File: LCL039-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : LCL039-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n013.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 07:49:30 EDT 2022

% Result   : Unsatisfiable 1.75s 2.14s
% Output   : Refutation 1.75s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : LCL039-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n013.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 04:30:29 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.75/2.14  *** allocated 10000 integers for termspace/termends
% 1.75/2.14  *** allocated 10000 integers for clauses
% 1.75/2.14  *** allocated 10000 integers for justifications
% 1.75/2.14  Bliksem 1.12
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Automatic Strategy Selection
% 1.75/2.14  
% 1.75/2.14  Clauses:
% 1.75/2.14  [
% 1.75/2.14     [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 'is_a_theorem'( X ) ), 
% 1.75/2.14    'is_a_theorem'( Y ) ],
% 1.75/2.14     [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ],
% 1.75/2.14     [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), implies( 
% 1.75/2.14    implies( X, Y ), implies( X, Z ) ) ) ) ],
% 1.75/2.14     [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), implies( Y, X
% 1.75/2.14     ) ) ) ],
% 1.75/2.14     [ 'is_a_theorem'( implies( necessary( implies( X, Y ) ), implies( 
% 1.75/2.14    necessary( X ), necessary( Y ) ) ) ) ],
% 1.75/2.14     [ 'is_a_theorem'( implies( necessary( X ), X ) ) ],
% 1.75/2.14     [ ~( 'is_a_theorem'( X ) ), 'is_a_theorem'( necessary( X ) ) ],
% 1.75/2.14     [ ~( 'is_a_theorem'( implies( necessary( a ), not( necessary( not( a ) )
% 1.75/2.14     ) ) ) ) ]
% 1.75/2.14  ] .
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  percentage equality = 0.000000, percentage horn = 1.000000
% 1.75/2.14  This is a near-Horn, non-equality  problem
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Options Used:
% 1.75/2.14  
% 1.75/2.14  useres =            1
% 1.75/2.14  useparamod =        0
% 1.75/2.14  useeqrefl =         0
% 1.75/2.14  useeqfact =         0
% 1.75/2.14  usefactor =         1
% 1.75/2.14  usesimpsplitting =  0
% 1.75/2.14  usesimpdemod =      0
% 1.75/2.14  usesimpres =        4
% 1.75/2.14  
% 1.75/2.14  resimpinuse      =  1000
% 1.75/2.14  resimpclauses =     20000
% 1.75/2.14  substype =          standard
% 1.75/2.14  backwardsubs =      1
% 1.75/2.14  selectoldest =      5
% 1.75/2.14  
% 1.75/2.14  litorderings [0] =  split
% 1.75/2.14  litorderings [1] =  liftord
% 1.75/2.14  
% 1.75/2.14  termordering =      none
% 1.75/2.14  
% 1.75/2.14  litapriori =        1
% 1.75/2.14  termapriori =       0
% 1.75/2.14  litaposteriori =    0
% 1.75/2.14  termaposteriori =   0
% 1.75/2.14  demodaposteriori =  0
% 1.75/2.14  ordereqreflfact =   0
% 1.75/2.14  
% 1.75/2.14  litselect =         negative
% 1.75/2.14  
% 1.75/2.14  maxweight =         30000
% 1.75/2.14  maxdepth =          30000
% 1.75/2.14  maxlength =         115
% 1.75/2.14  maxnrvars =         195
% 1.75/2.14  excuselevel =       0
% 1.75/2.14  increasemaxweight = 0
% 1.75/2.14  
% 1.75/2.14  maxselected =       10000000
% 1.75/2.14  maxnrclauses =      10000000
% 1.75/2.14  
% 1.75/2.14  showgenerated =    0
% 1.75/2.14  showkept =         0
% 1.75/2.14  showselected =     0
% 1.75/2.14  showdeleted =      0
% 1.75/2.14  showresimp =       1
% 1.75/2.14  showstatus =       2000
% 1.75/2.14  
% 1.75/2.14  prologoutput =     1
% 1.75/2.14  nrgoals =          5000000
% 1.75/2.14  totalproof =       1
% 1.75/2.14  
% 1.75/2.14  Symbols occurring in the translation:
% 1.75/2.14  
% 1.75/2.14  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 1.75/2.14  .  [1, 2]      (w:1, o:21, a:1, s:1, b:0), 
% 1.75/2.14  !  [4, 1]      (w:1, o:13, a:1, s:1, b:0), 
% 1.75/2.14  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.75/2.14  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.75/2.14  implies  [41, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 1.75/2.14  'is_a_theorem'  [42, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 1.75/2.14  not  [44, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 1.75/2.14  necessary  [45, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 1.75/2.14  a  [46, 0]      (w:1, o:12, a:1, s:1, b:0).
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Starting Search:
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    24030
% 1.75/2.14  Kept:         2002
% 1.75/2.14  Inuse:        735
% 1.75/2.14  Deleted:      3
% 1.75/2.14  Deletedinuse: 1
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    68438
% 1.75/2.14  Kept:         4002
% 1.75/2.14  Inuse:        1318
% 1.75/2.14  Deleted:      3
% 1.75/2.14  Deletedinuse: 1
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    109626
% 1.75/2.14  Kept:         6002
% 1.75/2.14  Inuse:        1795
% 1.75/2.14  Deleted:      3
% 1.75/2.14  Deletedinuse: 1
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    164155
% 1.75/2.14  Kept:         8130
% 1.75/2.14  Inuse:        2387
% 1.75/2.14  Deleted:      3
% 1.75/2.14  Deletedinuse: 1
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    196691
% 1.75/2.14  Kept:         10229
% 1.75/2.14  Inuse:        2641
% 1.75/2.14  Deleted:      4
% 1.75/2.14  Deletedinuse: 1
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    216008
% 1.75/2.14  Kept:         12235
% 1.75/2.14  Inuse:        2788
% 1.75/2.14  Deleted:      4
% 1.75/2.14  Deletedinuse: 1
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    230172
% 1.75/2.14  Kept:         14235
% 1.75/2.14  Inuse:        2885
% 1.75/2.14  Deleted:      5
% 1.75/2.14  Deletedinuse: 2
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    256914
% 1.75/2.14  Kept:         16489
% 1.75/2.14  Inuse:        3225
% 1.75/2.14  Deleted:      5
% 1.75/2.14  Deletedinuse: 2
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    263645
% 1.75/2.14  Kept:         18941
% 1.75/2.14  Inuse:        3262
% 1.75/2.14  Deleted:      5
% 1.75/2.14  Deletedinuse: 2
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying clauses:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    291436
% 1.75/2.14  Kept:         20950
% 1.75/2.14  Inuse:        3442
% 1.75/2.14  Deleted:      7
% 1.75/2.14  Deletedinuse: 2
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Intermediate Status:
% 1.75/2.14  Generated:    314958
% 1.75/2.14  Kept:         22997
% 1.75/2.14  Inuse:        3617
% 1.75/2.14  Deleted:      7
% 1.75/2.14  Deletedinuse: 2
% 1.75/2.14  
% 1.75/2.14  Resimplifying inuse:
% 1.75/2.14  Done
% 1.75/2.14  
% 1.75/2.14  
% 1.75/2.14  Bliksems!, er is een bewijs:
% 1.75/2.14  % SZS status Unsatisfiable
% 1.75/2.14  % SZS output start Refutation
% 1.75/2.14  
% 1.75/2.14  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 1.75/2.14    ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 2, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.14    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.75/2.14    implies( Y, X ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 5, [ 'is_a_theorem'( implies( necessary( X ), X ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 6, [ 'is_a_theorem'( necessary( X ) ), ~( 'is_a_theorem'( X ) ) ]
% 1.75/2.14     )
% 1.75/2.14  .
% 1.75/2.14  clause( 7, [ ~( 'is_a_theorem'( implies( necessary( a ), not( necessary( 
% 1.75/2.14    not( a ) ) ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 14, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.75/2.14    implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 15, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.14    necessary( X ), X ), Y ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 22, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.14    implies( X, implies( Y, Z ) ), implies( implies( X, Y ), implies( X, Z )
% 1.75/2.14     ) ), T ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 28, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.14    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 31, [ 'is_a_theorem'( implies( X, implies( necessary( Y ), Y ) ) )
% 1.75/2.14     ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 34, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.75/2.14    implies( necessary( Y ), Y ) ), Z ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 62, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, X ) ) )
% 1.75/2.14     ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 63, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y ) ) ) )
% 1.75/2.14     ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 64, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 68, [ 'is_a_theorem'( necessary( implies( X, X ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 69, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( necessary( 
% 1.75/2.14    implies( X, X ) ), Y ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 76, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.75/2.14    implies( Y, implies( Z, Y ) ) ), T ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 96, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y, Z )
% 1.75/2.14     ), implies( X, Y ) ), implies( implies( X, implies( Y, Z ) ), implies( X
% 1.75/2.14    , Z ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 97, [ 'is_a_theorem'( implies( X, implies( implies( Y, implies( Z, 
% 1.75/2.14    T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 134, [ 'is_a_theorem'( implies( X, implies( implies( not( Y ), not( 
% 1.75/2.14    Z ) ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 174, [ 'is_a_theorem'( implies( implies( X, necessary( Y ) ), 
% 1.75/2.14    implies( X, Y ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 177, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.14    implies( X, necessary( Y ) ), implies( X, Y ) ), Z ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 323, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 1.75/2.14    implies( Z, Y ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 329, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) ) )
% 1.75/2.14     ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 354, [ 'is_a_theorem'( implies( X, implies( Y, necessary( implies( 
% 1.75/2.14    Z, Z ) ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 362, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.14    , implies( Y, necessary( implies( Z, Z ) ) ) ), T ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 443, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y, X
% 1.75/2.14     ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 456, [ 'is_a_theorem'( U ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.14    , implies( implies( Y, implies( Z, T ) ), implies( implies( Y, Z ), 
% 1.75/2.14    implies( Y, T ) ) ) ), U ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 561, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.14    , implies( implies( not( Y ), not( Z ) ), implies( Z, Y ) ) ), T ) ) ) ]
% 1.75/2.14     )
% 1.75/2.14  .
% 1.75/2.14  clause( 2100, [ 'is_a_theorem'( implies( implies( X, implies( necessary( 
% 1.75/2.14    implies( Y, Y ) ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 2740, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.75/2.14    Z, X ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.14  .
% 1.75/2.14  clause( 2764, [ 'is_a_theorem'( implies( implies( X, implies( not( Y ), not( 
% 1.75/2.15    Z ) ) ), implies( X, implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 3805, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 3809, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 8604, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X ) )
% 1.75/2.15     ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 8619, [ 'is_a_theorem'( implies( implies( not( X ), necessary( not( 
% 1.75/2.15    Y ) ) ), implies( Y, X ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 8626, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( not( X ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 8884, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 9313, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( not( X ) ), X ), Y ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 9784, [ 'is_a_theorem'( implies( X, not( necessary( not( X ) ) ) )
% 1.75/2.15     ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 10227, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    X, not( necessary( not( X ) ) ) ), Y ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 21616, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, not( 
% 1.75/2.15    necessary( not( Y ) ) ) ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 23636, [ 'is_a_theorem'( implies( necessary( X ), not( necessary( 
% 1.75/2.15    not( X ) ) ) ) ) ] )
% 1.75/2.15  .
% 1.75/2.15  clause( 23639, [] )
% 1.75/2.15  .
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  % SZS output end Refutation
% 1.75/2.15  found a proof!
% 1.75/2.15  
% 1.75/2.15  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.75/2.15  
% 1.75/2.15  initialclauses(
% 1.75/2.15  [ clause( 23641, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 1.75/2.15    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , clause( 23642, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , clause( 23643, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , clause( 23644, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.75/2.15    implies( Y, X ) ) ) ] )
% 1.75/2.15  , clause( 23645, [ 'is_a_theorem'( implies( necessary( implies( X, Y ) ), 
% 1.75/2.15    implies( necessary( X ), necessary( Y ) ) ) ) ] )
% 1.75/2.15  , clause( 23646, [ 'is_a_theorem'( implies( necessary( X ), X ) ) ] )
% 1.75/2.15  , clause( 23647, [ ~( 'is_a_theorem'( X ) ), 'is_a_theorem'( necessary( X )
% 1.75/2.15     ) ] )
% 1.75/2.15  , clause( 23648, [ ~( 'is_a_theorem'( implies( necessary( a ), not( 
% 1.75/2.15    necessary( not( a ) ) ) ) ) ) ] )
% 1.75/2.15  ] ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y ), 
% 1.75/2.15    ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , clause( 23641, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), ~( 
% 1.75/2.15    'is_a_theorem'( X ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     ), ==>( 1, 2 ), ==>( 2, 1 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , clause( 23642, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 2, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , clause( 23643, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.75/2.15    implies( Y, X ) ) ) ] )
% 1.75/2.15  , clause( 23644, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.75/2.15    implies( Y, X ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 5, [ 'is_a_theorem'( implies( necessary( X ), X ) ) ] )
% 1.75/2.15  , clause( 23646, [ 'is_a_theorem'( implies( necessary( X ), X ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 6, [ 'is_a_theorem'( necessary( X ) ), ~( 'is_a_theorem'( X ) ) ]
% 1.75/2.15     )
% 1.75/2.15  , clause( 23647, [ ~( 'is_a_theorem'( X ) ), 'is_a_theorem'( necessary( X )
% 1.75/2.15     ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 1.75/2.15    0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 7, [ ~( 'is_a_theorem'( implies( necessary( a ), not( necessary( 
% 1.75/2.15    not( a ) ) ) ) ) ) ] )
% 1.75/2.15  , clause( 23648, [ ~( 'is_a_theorem'( implies( necessary( a ), not( 
% 1.75/2.15    necessary( not( a ) ) ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23650, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X ) )
% 1.75/2.15    , Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, X ) ) ), :=( Y, Z )] )
% 1.75/2.15    , substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 14, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.75/2.15    implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , clause( 23650, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, X )
% 1.75/2.15     ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23652, [ ~( 'is_a_theorem'( implies( implies( necessary( X ), X ), 
% 1.75/2.15    Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 5, [ 'is_a_theorem'( implies( necessary( X ), X ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( necessary( X ), X ) ), :=( Y, Y )] )
% 1.75/2.15    , substitution( 1, [ :=( X, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 15, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    necessary( X ), X ), Y ) ) ) ] )
% 1.75/2.15  , clause( 23652, [ ~( 'is_a_theorem'( implies( implies( necessary( X ), X )
% 1.75/2.15    , Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.75/2.15     ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23654, [ ~( 'is_a_theorem'( implies( implies( implies( X, implies( 
% 1.75/2.15    Y, Z ) ), implies( implies( X, Y ), implies( X, Z ) ) ), T ) ) ), 
% 1.75/2.15    'is_a_theorem'( T ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 2, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ), :=( Y, T )] ), 
% 1.75/2.15    substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 22, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( X, implies( Y, Z ) ), implies( implies( X, Y ), implies( X, Z )
% 1.75/2.15     ) ), T ) ) ) ] )
% 1.75/2.15  , clause( 23654, [ ~( 'is_a_theorem'( implies( implies( implies( X, implies( 
% 1.75/2.15    Y, Z ) ), implies( implies( X, Y ), implies( X, Z ) ) ), T ) ) ), 
% 1.75/2.15    'is_a_theorem'( T ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23656, [ ~( 'is_a_theorem'( implies( implies( implies( not( X ), 
% 1.75/2.15    not( Y ) ), implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 3, [ 'is_a_theorem'( implies( implies( not( X ), not( Y ) ), 
% 1.75/2.15    implies( Y, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( implies( not( X ), not( Y ) ), 
% 1.75/2.15    implies( Y, X ) ) ), :=( Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y
% 1.75/2.15    , Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 28, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , clause( 23656, [ ~( 'is_a_theorem'( implies( implies( implies( not( X ), 
% 1.75/2.15    not( Y ) ), implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23657, [ 'is_a_theorem'( implies( X, implies( necessary( Y ), Y ) )
% 1.75/2.15     ) ] )
% 1.75/2.15  , clause( 15, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    necessary( X ), X ), Y ) ) ) ] )
% 1.75/2.15  , 1, clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, Y ), :=( Y, implies( X, implies( necessary( 
% 1.75/2.15    Y ), Y ) ) )] ), substitution( 1, [ :=( X, implies( necessary( Y ), Y ) )
% 1.75/2.15    , :=( Y, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 31, [ 'is_a_theorem'( implies( X, implies( necessary( Y ), Y ) ) )
% 1.75/2.15     ] )
% 1.75/2.15  , clause( 23657, [ 'is_a_theorem'( implies( X, implies( necessary( Y ), Y )
% 1.75/2.15     ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23659, [ ~( 'is_a_theorem'( implies( implies( X, implies( necessary( 
% 1.75/2.15    Y ), Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 31, [ 'is_a_theorem'( implies( X, implies( necessary( Y ), Y )
% 1.75/2.15     ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( necessary( Y ), Y ) ) )
% 1.75/2.15    , :=( Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 34, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.75/2.15    implies( necessary( Y ), Y ) ), Z ) ) ) ] )
% 1.75/2.15  , clause( 23659, [ ~( 'is_a_theorem'( implies( implies( X, implies( 
% 1.75/2.15    necessary( Y ), Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23660, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, X )
% 1.75/2.15     ) ) ] )
% 1.75/2.15  , clause( 14, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, implies( implies( X
% 1.75/2.15    , Y ), implies( X, X ) ) )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )
% 1.75/2.15    , :=( Z, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 62, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, X ) ) )
% 1.75/2.15     ] )
% 1.75/2.15  , clause( 23660, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, X
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23661, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y ) )
% 1.75/2.15     ) ) ] )
% 1.75/2.15  , clause( 14, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( X, implies( 
% 1.75/2.15    Y, implies( Z, Y ) ) ) )] ), substitution( 1, [ :=( X, implies( Y, 
% 1.75/2.15    implies( Z, Y ) ) ), :=( Y, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 63, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y ) ) ) )
% 1.75/2.15     ] )
% 1.75/2.15  , clause( 23661, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y )
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23662, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.75/2.15  , clause( 14, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 62, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, X
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, implies( X, X ) )] )
% 1.75/2.15    , substitution( 1, [ :=( X, X ), :=( Y, implies( Y, X ) )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 64, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.75/2.15  , clause( 23662, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23663, [ 'is_a_theorem'( necessary( implies( X, X ) ) ) ] )
% 1.75/2.15  , clause( 6, [ 'is_a_theorem'( necessary( X ) ), ~( 'is_a_theorem'( X ) ) ]
% 1.75/2.15     )
% 1.75/2.15  , 1, clause( 64, [ 'is_a_theorem'( implies( X, X ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, X ) )] ), substitution( 1, [ 
% 1.75/2.15    :=( X, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 68, [ 'is_a_theorem'( necessary( implies( X, X ) ) ) ] )
% 1.75/2.15  , clause( 23663, [ 'is_a_theorem'( necessary( implies( X, X ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23664, [ ~( 'is_a_theorem'( implies( necessary( implies( X, X ) ), 
% 1.75/2.15    Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 68, [ 'is_a_theorem'( necessary( implies( X, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, necessary( implies( X, X ) ) ), :=( Y, Y )] )
% 1.75/2.15    , substitution( 1, [ :=( X, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 69, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( necessary( 
% 1.75/2.15    implies( X, X ) ), Y ) ) ) ] )
% 1.75/2.15  , clause( 23664, [ ~( 'is_a_theorem'( implies( necessary( implies( X, X ) )
% 1.75/2.15    , Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.75/2.15     ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23666, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.75/2.15    implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 63, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, Y )
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, implies( Z, Y ) ) )
% 1.75/2.15     ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )
% 1.75/2.15    ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 76, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X, 
% 1.75/2.15    implies( Y, implies( Z, Y ) ) ), T ) ) ) ] )
% 1.75/2.15  , clause( 23666, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.75/2.15    implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23667, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y, 
% 1.75/2.15    Z ) ), implies( X, Y ) ), implies( implies( X, implies( Y, Z ) ), implies( 
% 1.75/2.15    X, Z ) ) ) ) ] )
% 1.75/2.15  , clause( 22, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( X, implies( Y, Z ) ), implies( implies( X, Y ), implies( X, Z )
% 1.75/2.15     ) ), T ) ) ) ] )
% 1.75/2.15  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, implies( 
% 1.75/2.15    implies( implies( X, implies( Y, Z ) ), implies( X, Y ) ), implies( 
% 1.75/2.15    implies( X, implies( Y, Z ) ), implies( X, Z ) ) ) )] ), substitution( 1
% 1.75/2.15    , [ :=( X, implies( X, implies( Y, Z ) ) ), :=( Y, implies( X, Y ) ), 
% 1.75/2.15    :=( Z, implies( X, Z ) )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 96, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y, Z )
% 1.75/2.15     ), implies( X, Y ) ), implies( implies( X, implies( Y, Z ) ), implies( X
% 1.75/2.15    , Z ) ) ) ) ] )
% 1.75/2.15  , clause( 23667, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y
% 1.75/2.15    , Z ) ), implies( X, Y ) ), implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23668, [ 'is_a_theorem'( implies( X, implies( implies( Y, implies( 
% 1.75/2.15    Z, T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ) ) ] )
% 1.75/2.15  , clause( 22, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( X, implies( Y, Z ) ), implies( implies( X, Y ), implies( X, Z )
% 1.75/2.15     ) ), T ) ) ) ] )
% 1.75/2.15  , 1, clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, T ), :=( T, implies( 
% 1.75/2.15    X, implies( implies( Y, implies( Z, T ) ), implies( implies( Y, Z ), 
% 1.75/2.15    implies( Y, T ) ) ) ) )] ), substitution( 1, [ :=( X, implies( implies( Y
% 1.75/2.15    , implies( Z, T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ), 
% 1.75/2.15    :=( Y, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 97, [ 'is_a_theorem'( implies( X, implies( implies( Y, implies( Z, 
% 1.75/2.15    T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ) ) ] )
% 1.75/2.15  , clause( 23668, [ 'is_a_theorem'( implies( X, implies( implies( Y, implies( 
% 1.75/2.15    Z, T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23669, [ 'is_a_theorem'( implies( X, implies( implies( not( Y ), 
% 1.75/2.15    not( Z ) ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 28, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 1, [ 'is_a_theorem'( implies( X, implies( Y, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( X, implies( 
% 1.75/2.15    implies( not( Y ), not( Z ) ), implies( Z, Y ) ) ) )] ), substitution( 1
% 1.75/2.15    , [ :=( X, implies( implies( not( Y ), not( Z ) ), implies( Z, Y ) ) ), 
% 1.75/2.15    :=( Y, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 134, [ 'is_a_theorem'( implies( X, implies( implies( not( Y ), not( 
% 1.75/2.15    Z ) ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 23669, [ 'is_a_theorem'( implies( X, implies( implies( not( Y ), 
% 1.75/2.15    not( Z ) ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23670, [ 'is_a_theorem'( implies( implies( X, necessary( Y ) ), 
% 1.75/2.15    implies( X, Y ) ) ) ] )
% 1.75/2.15  , clause( 34, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( necessary( Y ), Y ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, implies( implies( X
% 1.75/2.15    , necessary( Y ) ), implies( X, Y ) ) )] ), substitution( 1, [ :=( X, X )
% 1.75/2.15    , :=( Y, necessary( Y ) ), :=( Z, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 174, [ 'is_a_theorem'( implies( implies( X, necessary( Y ) ), 
% 1.75/2.15    implies( X, Y ) ) ) ] )
% 1.75/2.15  , clause( 23670, [ 'is_a_theorem'( implies( implies( X, necessary( Y ) ), 
% 1.75/2.15    implies( X, Y ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23672, [ ~( 'is_a_theorem'( implies( implies( implies( X, necessary( 
% 1.75/2.15    Y ) ), implies( X, Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 174, [ 'is_a_theorem'( implies( implies( X, necessary( Y ) ), 
% 1.75/2.15    implies( X, Y ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( implies( X, necessary( Y ) ), 
% 1.75/2.15    implies( X, Y ) ) ), :=( Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y
% 1.75/2.15    , Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 177, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( X, necessary( Y ) ), implies( X, Y ) ), Z ) ) ) ] )
% 1.75/2.15  , clause( 23672, [ ~( 'is_a_theorem'( implies( implies( implies( X, 
% 1.75/2.15    necessary( Y ) ), implies( X, Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23673, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 1.75/2.15    implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 76, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( Y, implies( Z, Y ) ) ), T ) ) ) ] )
% 1.75/2.15  , 1, clause( 2, [ 'is_a_theorem'( implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( implies( X, Y ), implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, implies( 
% 1.75/2.15    implies( X, Y ), implies( X, implies( Z, Y ) ) ) )] ), substitution( 1, [
% 1.75/2.15     :=( X, X ), :=( Y, Y ), :=( Z, implies( Z, Y ) )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 323, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 1.75/2.15    implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 23673, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 1.75/2.15    implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23674, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) )
% 1.75/2.15     ) ) ] )
% 1.75/2.15  , clause( 14, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 323, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 1.75/2.15    implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, Z ), :=( Z, implies( X, implies( 
% 1.75/2.15    Y, implies( Z, X ) ) ) )] ), substitution( 1, [ :=( X, X ), :=( Y, 
% 1.75/2.15    implies( Z, X ) ), :=( Z, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 329, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X ) ) )
% 1.75/2.15     ) ] )
% 1.75/2.15  , clause( 23674, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X )
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23675, [ 'is_a_theorem'( implies( X, implies( Y, necessary( implies( 
% 1.75/2.15    Z, Z ) ) ) ) ) ] )
% 1.75/2.15  , clause( 69, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( necessary( 
% 1.75/2.15    implies( X, X ) ), Y ) ) ) ] )
% 1.75/2.15  , 1, clause( 329, [ 'is_a_theorem'( implies( X, implies( Y, implies( Z, X )
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, Z ), :=( Y, implies( X, implies( Y, 
% 1.75/2.15    necessary( implies( Z, Z ) ) ) ) )] ), substitution( 1, [ :=( X, 
% 1.75/2.15    necessary( implies( Z, Z ) ) ), :=( Y, X ), :=( Z, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 354, [ 'is_a_theorem'( implies( X, implies( Y, necessary( implies( 
% 1.75/2.15    Z, Z ) ) ) ) ) ] )
% 1.75/2.15  , clause( 23675, [ 'is_a_theorem'( implies( X, implies( Y, necessary( 
% 1.75/2.15    implies( Z, Z ) ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23677, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.75/2.15    necessary( implies( Z, Z ) ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 354, [ 'is_a_theorem'( implies( X, implies( Y, necessary( 
% 1.75/2.15    implies( Z, Z ) ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( Y, necessary( implies( 
% 1.75/2.15    Z, Z ) ) ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )
% 1.75/2.15    , :=( Z, Z )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 362, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( Y, necessary( implies( Z, Z ) ) ) ), T ) ) ) ] )
% 1.75/2.15  , clause( 23677, [ ~( 'is_a_theorem'( implies( implies( X, implies( Y, 
% 1.75/2.15    necessary( implies( Z, Z ) ) ) ), T ) ) ), 'is_a_theorem'( T ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23678, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y, 
% 1.75/2.15    X ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , clause( 76, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( Y, implies( Z, Y ) ) ), T ) ) ) ] )
% 1.75/2.15  , 1, clause( 96, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y
% 1.75/2.15    , Z ) ), implies( X, Y ) ), implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( implies( Y, X ), Z ) )
% 1.75/2.15     ), :=( Y, X ), :=( Z, Y ), :=( T, implies( implies( X, implies( implies( 
% 1.75/2.15    Y, X ), Z ) ), implies( X, Z ) ) )] ), substitution( 1, [ :=( X, X ), 
% 1.75/2.15    :=( Y, implies( Y, X ) ), :=( Z, Z )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 443, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y, X
% 1.75/2.15     ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , clause( 23678, [ 'is_a_theorem'( implies( implies( X, implies( implies( Y
% 1.75/2.15    , X ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23680, [ ~( 'is_a_theorem'( implies( implies( X, implies( implies( 
% 1.75/2.15    Y, implies( Z, T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ), U
% 1.75/2.15     ) ) ), 'is_a_theorem'( U ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 97, [ 'is_a_theorem'( implies( X, implies( implies( Y, implies( 
% 1.75/2.15    Z, T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( implies( Y, implies( Z
% 1.75/2.15    , T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ) ), :=( Y, U )] )
% 1.75/2.15    , substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 1.75/2.15    ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 456, [ 'is_a_theorem'( U ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( implies( Y, implies( Z, T ) ), implies( implies( Y, Z ), 
% 1.75/2.15    implies( Y, T ) ) ) ), U ) ) ) ] )
% 1.75/2.15  , clause( 23680, [ ~( 'is_a_theorem'( implies( implies( X, implies( implies( 
% 1.75/2.15    Y, implies( Z, T ) ), implies( implies( Y, Z ), implies( Y, T ) ) ) ), U
% 1.75/2.15     ) ) ), 'is_a_theorem'( U ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 1.75/2.15    , U )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23682, [ ~( 'is_a_theorem'( implies( implies( X, implies( implies( 
% 1.75/2.15    not( Y ), not( Z ) ), implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T ) ]
% 1.75/2.15     )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 134, [ 'is_a_theorem'( implies( X, implies( implies( not( Y )
% 1.75/2.15    , not( Z ) ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( implies( not( Y ), not( 
% 1.75/2.15    Z ) ), implies( Z, Y ) ) ) ), :=( Y, T )] ), substitution( 1, [ :=( X, X
% 1.75/2.15     ), :=( Y, Y ), :=( Z, Z )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 561, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( X
% 1.75/2.15    , implies( implies( not( Y ), not( Z ) ), implies( Z, Y ) ) ), T ) ) ) ]
% 1.75/2.15     )
% 1.75/2.15  , clause( 23682, [ ~( 'is_a_theorem'( implies( implies( X, implies( implies( 
% 1.75/2.15    not( Y ), not( Z ) ), implies( Z, Y ) ) ), T ) ) ), 'is_a_theorem'( T ) ]
% 1.75/2.15     )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23683, [ 'is_a_theorem'( implies( implies( X, implies( necessary( 
% 1.75/2.15    implies( Y, Y ) ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , clause( 362, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    X, implies( Y, necessary( implies( Z, Z ) ) ) ), T ) ) ) ] )
% 1.75/2.15  , 1, clause( 96, [ 'is_a_theorem'( implies( implies( implies( X, implies( Y
% 1.75/2.15    , Z ) ), implies( X, Y ) ), implies( implies( X, implies( Y, Z ) ), 
% 1.75/2.15    implies( X, Z ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, implies( necessary( implies( Y, 
% 1.75/2.15    Y ) ), Z ) ) ), :=( Y, X ), :=( Z, Y ), :=( T, implies( implies( X, 
% 1.75/2.15    implies( necessary( implies( Y, Y ) ), Z ) ), implies( X, Z ) ) )] ), 
% 1.75/2.15    substitution( 1, [ :=( X, X ), :=( Y, necessary( implies( Y, Y ) ) ), 
% 1.75/2.15    :=( Z, Z )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 2100, [ 'is_a_theorem'( implies( implies( X, implies( necessary( 
% 1.75/2.15    implies( Y, Y ) ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , clause( 23683, [ 'is_a_theorem'( implies( implies( X, implies( necessary( 
% 1.75/2.15    implies( Y, Y ) ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23684, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.75/2.15    Z, X ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 456, [ 'is_a_theorem'( U ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    X, implies( implies( Y, implies( Z, T ) ), implies( implies( Y, Z ), 
% 1.75/2.15    implies( Y, T ) ) ) ), U ) ) ) ] )
% 1.75/2.15  , 1, clause( 443, [ 'is_a_theorem'( implies( implies( X, implies( implies( 
% 1.75/2.15    Y, X ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, Y ) ), :=( Y, Z ), :=( Z, X ), 
% 1.75/2.15    :=( T, Y ), :=( U, implies( implies( X, Y ), implies( implies( Z, X ), 
% 1.75/2.15    implies( Z, Y ) ) ) )] ), substitution( 1, [ :=( X, implies( X, Y ) ), 
% 1.75/2.15    :=( Y, Z ), :=( Z, implies( implies( Z, X ), implies( Z, Y ) ) )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 2740, [ 'is_a_theorem'( implies( implies( X, Y ), implies( implies( 
% 1.75/2.15    Z, X ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 23684, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.75/2.15    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23685, [ 'is_a_theorem'( implies( implies( X, implies( not( Y ), 
% 1.75/2.15    not( Z ) ) ), implies( X, implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 28, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( not( X ), not( Y ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 2740, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.75/2.15    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, implies( implies( X
% 1.75/2.15    , implies( not( Y ), not( Z ) ) ), implies( X, implies( Z, Y ) ) ) )] ), 
% 1.75/2.15    substitution( 1, [ :=( X, implies( not( Y ), not( Z ) ) ), :=( Y, implies( 
% 1.75/2.15    Z, Y ) ), :=( Z, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 2764, [ 'is_a_theorem'( implies( implies( X, implies( not( Y ), not( 
% 1.75/2.15    Z ) ) ), implies( X, implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , clause( 23685, [ 'is_a_theorem'( implies( implies( X, implies( not( Y ), 
% 1.75/2.15    not( Z ) ) ), implies( X, implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23686, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ]
% 1.75/2.15     )
% 1.75/2.15  , clause( 561, [ 'is_a_theorem'( T ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    X, implies( implies( not( Y ), not( Z ) ), implies( Z, Y ) ) ), T ) ) ) ]
% 1.75/2.15     )
% 1.75/2.15  , 1, clause( 443, [ 'is_a_theorem'( implies( implies( X, implies( implies( 
% 1.75/2.15    Y, X ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, not( X ) ), :=( Y, Y ), :=( Z, X ), :=( T, 
% 1.75/2.15    implies( not( X ), implies( X, Y ) ) )] ), substitution( 1, [ :=( X, not( 
% 1.75/2.15    X ) ), :=( Y, not( Y ) ), :=( Z, implies( X, Y ) )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 3805, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ] )
% 1.75/2.15  , clause( 23686, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) ) ]
% 1.75/2.15     )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23688, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( X
% 1.75/2.15    , Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 3805, [ 'is_a_theorem'( implies( not( X ), implies( X, Y ) ) )
% 1.75/2.15     ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( not( X ), implies( X, Y ) ) ), :=( 
% 1.75/2.15    Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 3809, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.75/2.15  , clause( 23688, [ ~( 'is_a_theorem'( implies( implies( not( X ), implies( 
% 1.75/2.15    X, Y ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23689, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X )
% 1.75/2.15     ) ) ] )
% 1.75/2.15  , clause( 3809, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( X ), implies( X, Y ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 2764, [ 'is_a_theorem'( implies( implies( X, implies( not( Y )
% 1.75/2.15    , not( Z ) ) ), implies( X, implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, not( X ) ), :=( Y, not( Y ) ), :=( Z, 
% 1.75/2.15    implies( not( not( X ) ), implies( Y, X ) ) )] ), substitution( 1, [ :=( 
% 1.75/2.15    X, not( not( X ) ) ), :=( Y, X ), :=( Z, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 8604, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X ) )
% 1.75/2.15     ) ] )
% 1.75/2.15  , clause( 23689, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, X
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23690, [ 'is_a_theorem'( implies( implies( not( X ), necessary( not( 
% 1.75/2.15    Y ) ) ), implies( Y, X ) ) ) ] )
% 1.75/2.15  , clause( 177, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    implies( X, necessary( Y ) ), implies( X, Y ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 2764, [ 'is_a_theorem'( implies( implies( X, implies( not( Y )
% 1.75/2.15    , not( Z ) ) ), implies( X, implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, not( X ) ), :=( Y, not( Y ) ), :=( Z, 
% 1.75/2.15    implies( implies( not( X ), necessary( not( Y ) ) ), implies( Y, X ) ) )] )
% 1.75/2.15    , substitution( 1, [ :=( X, implies( not( X ), necessary( not( Y ) ) ) )
% 1.75/2.15    , :=( Y, X ), :=( Z, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 8619, [ 'is_a_theorem'( implies( implies( not( X ), necessary( not( 
% 1.75/2.15    Y ) ) ), implies( Y, X ) ) ) ] )
% 1.75/2.15  , clause( 23690, [ 'is_a_theorem'( implies( implies( not( X ), necessary( 
% 1.75/2.15    not( Y ) ) ), implies( Y, X ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23692, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), 
% 1.75/2.15    implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 8604, [ 'is_a_theorem'( implies( not( not( X ) ), implies( Y, 
% 1.75/2.15    X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( not( not( X ) ), implies( Y, X ) )
% 1.75/2.15     ), :=( Y, Z )] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 8626, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( not( X ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , clause( 23692, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), 
% 1.75/2.15    implies( Y, X ) ), Z ) ) ), 'is_a_theorem'( Z ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 1.75/2.15    permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23693, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.75/2.15  , clause( 8626, [ 'is_a_theorem'( Z ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( not( X ) ), implies( Y, X ) ), Z ) ) ) ] )
% 1.75/2.15  , 1, clause( 2100, [ 'is_a_theorem'( implies( implies( X, implies( 
% 1.75/2.15    necessary( implies( Y, Y ) ), Z ) ), implies( X, Z ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, necessary( implies( Y, Y ) ) ), 
% 1.75/2.15    :=( Z, implies( not( not( X ) ), X ) )] ), substitution( 1, [ :=( X, not( 
% 1.75/2.15    not( X ) ) ), :=( Y, Y ), :=( Z, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 8884, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.75/2.15  , clause( 23693, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23695, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), X )
% 1.75/2.15    , Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 8884, [ 'is_a_theorem'( implies( not( not( X ) ), X ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( not( not( X ) ), X ) ), :=( Y, Y )] )
% 1.75/2.15    , substitution( 1, [ :=( X, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 9313, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( not( X ) ), X ), Y ) ) ) ] )
% 1.75/2.15  , clause( 23695, [ ~( 'is_a_theorem'( implies( implies( not( not( X ) ), X
% 1.75/2.15     ), Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.75/2.15     ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23696, [ 'is_a_theorem'( implies( X, not( necessary( not( X ) ) ) )
% 1.75/2.15     ) ] )
% 1.75/2.15  , clause( 9313, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    not( not( X ) ), X ), Y ) ) ) ] )
% 1.75/2.15  , 1, clause( 8619, [ 'is_a_theorem'( implies( implies( not( X ), necessary( 
% 1.75/2.15    not( Y ) ) ), implies( Y, X ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, necessary( not( X ) ) ), :=( Y, implies( X, 
% 1.75/2.15    not( necessary( not( X ) ) ) ) )] ), substitution( 1, [ :=( X, not( 
% 1.75/2.15    necessary( not( X ) ) ) ), :=( Y, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 9784, [ 'is_a_theorem'( implies( X, not( necessary( not( X ) ) ) )
% 1.75/2.15     ) ] )
% 1.75/2.15  , clause( 23696, [ 'is_a_theorem'( implies( X, not( necessary( not( X ) ) )
% 1.75/2.15     ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23698, [ ~( 'is_a_theorem'( implies( implies( X, not( necessary( 
% 1.75/2.15    not( X ) ) ) ), Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , clause( 0, [ ~( 'is_a_theorem'( implies( X, Y ) ) ), 'is_a_theorem'( Y )
% 1.75/2.15    , ~( 'is_a_theorem'( X ) ) ] )
% 1.75/2.15  , 2, clause( 9784, [ 'is_a_theorem'( implies( X, not( necessary( not( X ) )
% 1.75/2.15     ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, implies( X, not( necessary( not( X ) ) ) ) )
% 1.75/2.15    , :=( Y, Y )] ), substitution( 1, [ :=( X, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 10227, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    X, not( necessary( not( X ) ) ) ), Y ) ) ) ] )
% 1.75/2.15  , clause( 23698, [ ~( 'is_a_theorem'( implies( implies( X, not( necessary( 
% 1.75/2.15    not( X ) ) ) ), Y ) ) ), 'is_a_theorem'( Y ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 1
% 1.75/2.15     ), ==>( 1, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23699, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, not( 
% 1.75/2.15    necessary( not( Y ) ) ) ) ) ) ] )
% 1.75/2.15  , clause( 10227, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    X, not( necessary( not( X ) ) ) ), Y ) ) ) ] )
% 1.75/2.15  , 1, clause( 2740, [ 'is_a_theorem'( implies( implies( X, Y ), implies( 
% 1.75/2.15    implies( Z, X ), implies( Z, Y ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, Y ), :=( Y, implies( implies( X, Y ), 
% 1.75/2.15    implies( X, not( necessary( not( Y ) ) ) ) ) )] ), substitution( 1, [ 
% 1.75/2.15    :=( X, Y ), :=( Y, not( necessary( not( Y ) ) ) ), :=( Z, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 21616, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, not( 
% 1.75/2.15    necessary( not( Y ) ) ) ) ) ) ] )
% 1.75/2.15  , clause( 23699, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X, 
% 1.75/2.15    not( necessary( not( Y ) ) ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 1.75/2.15     )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23700, [ 'is_a_theorem'( implies( necessary( X ), not( necessary( 
% 1.75/2.15    not( X ) ) ) ) ) ] )
% 1.75/2.15  , clause( 15, [ 'is_a_theorem'( Y ), ~( 'is_a_theorem'( implies( implies( 
% 1.75/2.15    necessary( X ), X ), Y ) ) ) ] )
% 1.75/2.15  , 1, clause( 21616, [ 'is_a_theorem'( implies( implies( X, Y ), implies( X
% 1.75/2.15    , not( necessary( not( Y ) ) ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [ :=( X, X ), :=( Y, implies( necessary( X ), not( 
% 1.75/2.15    necessary( not( X ) ) ) ) )] ), substitution( 1, [ :=( X, necessary( X )
% 1.75/2.15     ), :=( Y, X )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 23636, [ 'is_a_theorem'( implies( necessary( X ), not( necessary( 
% 1.75/2.15    not( X ) ) ) ) ) ] )
% 1.75/2.15  , clause( 23700, [ 'is_a_theorem'( implies( necessary( X ), not( necessary( 
% 1.75/2.15    not( X ) ) ) ) ) ] )
% 1.75/2.15  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  resolution(
% 1.75/2.15  clause( 23701, [] )
% 1.75/2.15  , clause( 7, [ ~( 'is_a_theorem'( implies( necessary( a ), not( necessary( 
% 1.75/2.15    not( a ) ) ) ) ) ) ] )
% 1.75/2.15  , 0, clause( 23636, [ 'is_a_theorem'( implies( necessary( X ), not( 
% 1.75/2.15    necessary( not( X ) ) ) ) ) ] )
% 1.75/2.15  , 0, substitution( 0, [] ), substitution( 1, [ :=( X, a )] )).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  subsumption(
% 1.75/2.15  clause( 23639, [] )
% 1.75/2.15  , clause( 23701, [] )
% 1.75/2.15  , substitution( 0, [] ), permutation( 0, [] ) ).
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  end.
% 1.75/2.15  
% 1.75/2.15  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 1.75/2.15  
% 1.75/2.15  Memory use:
% 1.75/2.15  
% 1.75/2.15  space for terms:        365342
% 1.75/2.15  space for clauses:      1781498
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  clauses generated:      319483
% 1.75/2.15  clauses kept:           23640
% 1.75/2.15  clauses selected:       3640
% 1.75/2.15  clauses deleted:        7
% 1.75/2.15  clauses inuse deleted:  2
% 1.75/2.15  
% 1.75/2.15  subsentry:          310080
% 1.75/2.15  literals s-matched: 295850
% 1.75/2.15  literals matched:   295850
% 1.75/2.15  full subsumption:   0
% 1.75/2.15  
% 1.75/2.15  checksum:           -100708188
% 1.75/2.15  
% 1.75/2.15  
% 1.75/2.15  Bliksem ended
%------------------------------------------------------------------------------