↑ Up

Bliksem---1.12.UNS-Ref.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SWX199-1 : TPTP v9.3.0. Released v9.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n009.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 : Tue May  5 06:56:47 PM UTC 2026

% Result   : Unsatisfiable 14.04s 14.48s
% Output   : Refutation 14.04s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SWX199-1 : TPTP v9.3.0. Released v9.3.0.
% 0.00/0.12  % Command  : bliksem %s
% 0.16/0.33  % Computer : n009.cluster.edu
% 0.16/0.33  % Model    : x86_64 x86_64
% 0.16/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33  % Memory   : 8042.1875MB
% 0.16/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33  % CPULimit : 300
% 0.16/0.33  % DateTime : Tue May  5 11:12:55 EDT 2026
% 0.16/0.33  % CPUTime  : 
% 14.04/14.48  *** allocated 10000 integers for termspace/termends
% 14.04/14.48  *** allocated 10000 integers for clauses
% 14.04/14.48  *** allocated 10000 integers for justifications
% 14.04/14.48  Bliksem 1.12
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Automatic Strategy Selection
% 14.04/14.48  
% 14.04/14.48  Clauses:
% 14.04/14.48  [
% 14.04/14.48     [ =( aux( X, Y, Z, T, btrue ), cons( X, merge( Y, cons( Z, T ) ) ) ) ]
% 14.04/14.48    ,
% 14.04/14.48     [ =( aux( X, Y, Z, T, bfalse ), cons( Z, merge( cons( X, Y ), T ) ) ) ]
% 14.04/14.48    ,
% 14.04/14.48     [ =( leqNat( z, X ), btrue ) ],
% 14.04/14.48     [ =( leqNat( s( X ), z ), bfalse ) ],
% 14.04/14.48     [ =( leqNat( s( X ), s( Y ) ), leqNat( X, Y ) ) ],
% 14.04/14.48     [ =( merge( nil, X ), X ) ],
% 14.04/14.48     [ =( merge( cons( X, Y ), nil ), cons( X, Y ) ) ],
% 14.04/14.48     [ =( merge( cons( X, Y ), cons( Z, T ) ), aux( X, Y, Z, T, leqNat( X, Z
% 14.04/14.48     ) ) ) ],
% 14.04/14.48     [ =( impl( btrue, X ), X ) ],
% 14.04/14.48     [ =( impl( bfalse, X ), btrue ) ],
% 14.04/14.48     [ =( 'prop_merge_comm'( X, Y, Z ), impl( eq( merge( X, Y ), merge( Y, X
% 14.04/14.48     ) ), impl( eq( merge( X, Z ), merge( Z, X ) ), eq( merge( Y, Z ), merge( 
% 14.04/14.48    Z, Y ) ) ) ) ) ],
% 14.04/14.48     [ =( eq3( bfalse, btrue ), bfalse ) ],
% 14.04/14.48     [ =( eq3( btrue, bfalse ), bfalse ) ],
% 14.04/14.48     [ =( eq2( s( X ), s( Y ) ), eq2( X, Y ) ) ],
% 14.04/14.48     [ =( eq2( z, s( X ) ), bfalse ) ],
% 14.04/14.48     [ =( eq2( s( X ), z ), bfalse ) ],
% 14.04/14.48     [ =( eq( X, X ), btrue ) ],
% 14.04/14.48     [ =( eq2( X, X ), btrue ) ],
% 14.04/14.48     [ =( eq3( X, X ), btrue ) ],
% 14.04/14.48     [ ~( =( eq2( X, Y ), bfalse ) ), =( eq( cons( X, Z ), cons( Y, T ) ), 
% 14.04/14.48    bfalse ) ],
% 14.04/14.48     [ ~( =( eq2( X, Y ), btrue ) ), =( eq( cons( X, Z ), cons( Y, T ) ), eq( 
% 14.04/14.48    Z, T ) ) ],
% 14.04/14.48     [ =( eq( nil, cons( X, Y ) ), bfalse ) ],
% 14.04/14.48     [ =( eq( cons( X, Y ), nil ), bfalse ) ],
% 14.04/14.48     [ ~( =( eq3( 'prop_merge_comm'( X, Y, Z ), bfalse ), btrue ) ) ]
% 14.04/14.48  ] .
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  percentage equality = 1.000000, percentage horn = 1.000000
% 14.04/14.48  This is a pure equality problem
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Options Used:
% 14.04/14.48  
% 14.04/14.48  useres =            1
% 14.04/14.48  useparamod =        1
% 14.04/14.48  useeqrefl =         1
% 14.04/14.48  useeqfact =         1
% 14.04/14.48  usefactor =         1
% 14.04/14.48  usesimpsplitting =  0
% 14.04/14.48  usesimpdemod =      5
% 14.04/14.48  usesimpres =        3
% 14.04/14.48  
% 14.04/14.48  resimpinuse      =  1000
% 14.04/14.48  resimpclauses =     20000
% 14.04/14.48  substype =          eqrewr
% 14.04/14.48  backwardsubs =      1
% 14.04/14.48  selectoldest =      5
% 14.04/14.48  
% 14.04/14.48  litorderings [0] =  split
% 14.04/14.48  litorderings [1] =  extend the termordering, first sorting on arguments
% 14.04/14.48  
% 14.04/14.48  termordering =      kbo
% 14.04/14.48  
% 14.04/14.48  litapriori =        0
% 14.04/14.48  termapriori =       1
% 14.04/14.48  litaposteriori =    0
% 14.04/14.48  termaposteriori =   0
% 14.04/14.48  demodaposteriori =  0
% 14.04/14.48  ordereqreflfact =   0
% 14.04/14.48  
% 14.04/14.48  litselect =         negord
% 14.04/14.48  
% 14.04/14.48  maxweight =         15
% 14.04/14.48  maxdepth =          30000
% 14.04/14.48  maxlength =         115
% 14.04/14.48  maxnrvars =         195
% 14.04/14.48  excuselevel =       1
% 14.04/14.48  increasemaxweight = 1
% 14.04/14.48  
% 14.04/14.48  maxselected =       10000000
% 14.04/14.48  maxnrclauses =      10000000
% 14.04/14.48  
% 14.04/14.48  showgenerated =    0
% 14.04/14.48  showkept =         0
% 14.04/14.48  showselected =     0
% 14.04/14.48  showdeleted =      0
% 14.04/14.48  showresimp =       1
% 14.04/14.48  showstatus =       2000
% 14.04/14.48  
% 14.04/14.48  prologoutput =     1
% 14.04/14.48  nrgoals =          5000000
% 14.04/14.48  totalproof =       1
% 14.04/14.48  
% 14.04/14.48  Symbols occurring in the translation:
% 14.04/14.48  
% 14.04/14.48  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 14.04/14.48  .  [1, 2]      (w:1, o:28, a:1, s:1, b:0), 
% 14.04/14.48  !  [4, 1]      (w:0, o:22, a:1, s:1, b:0), 
% 14.04/14.48  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 14.04/14.48  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 14.04/14.48  btrue  [43, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 14.04/14.48  aux  [44, 5]      (w:1, o:61, a:1, s:1, b:0), 
% 14.04/14.48  cons  [45, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 14.04/14.48  merge  [46, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 14.04/14.48  bfalse  [47, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 14.04/14.48  z  [48, 0]      (w:1, o:18, a:1, s:1, b:0), 
% 14.04/14.48  leqNat  [50, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 14.04/14.48  s  [51, 1]      (w:1, o:27, a:1, s:1, b:0), 
% 14.04/14.48  nil  [53, 0]      (w:1, o:20, a:1, s:1, b:0), 
% 14.04/14.48  impl  [55, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 14.04/14.48  'prop_merge_comm'  [57, 3]      (w:1, o:60, a:1, s:1, b:0), 
% 14.04/14.48  eq  [58, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 14.04/14.48  eq3  [59, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 14.04/14.48  eq2  [60, 2]      (w:1, o:58, a:1, s:1, b:0).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   15
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 1705
% 14.04/14.48  Kept: 114
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 16
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   16
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 2059
% 14.04/14.48  Kept: 134
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 17
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   17
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 2104
% 14.04/14.48  Kept: 137
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 18
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   18
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 2750
% 14.04/14.48  Kept: 163
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 19
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   19
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 2964
% 14.04/14.48  Kept: 168
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 20
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   20
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 3768
% 14.04/14.48  Kept: 193
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 21
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   21
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 6827
% 14.04/14.48  Kept: 311
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 22
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   22
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 9056
% 14.04/14.48  Kept: 381
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 23
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   23
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 19501
% 14.04/14.48  Kept: 728
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 24
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   24
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 31127
% 14.04/14.48  Kept: 1000
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 25
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   25
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 43749
% 14.04/14.48  Kept: 1865
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 26
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    18188
% 14.04/14.48  Kept:         2003
% 14.04/14.48  Inuse:        669
% 14.04/14.48  Deleted:      97
% 14.04/14.48  Deletedinuse: 11
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   26
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 72959
% 14.04/14.48  Kept: 2625
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 27
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    14583
% 14.04/14.48  Kept:         2001
% 14.04/14.48  Inuse:        568
% 14.04/14.48  Deleted:      90
% 14.04/14.48  Deletedinuse: 11
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    42674
% 14.04/14.48  Kept:         4001
% 14.04/14.48  Inuse:        1423
% 14.04/14.48  Deleted:      193
% 14.04/14.48  Deletedinuse: 31
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   27
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 141861
% 14.04/14.48  Kept: 4579
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 28
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    15021
% 14.04/14.48  Kept:         2004
% 14.04/14.48  Inuse:        546
% 14.04/14.48  Deleted:      96
% 14.04/14.48  Deletedinuse: 11
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    28423
% 14.04/14.48  Kept:         4006
% 14.04/14.48  Inuse:        990
% 14.04/14.48  Deleted:      149
% 14.04/14.48  Deletedinuse: 31
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    71251
% 14.04/14.48  Kept:         6006
% 14.04/14.48  Inuse:        2014
% 14.04/14.48  Deleted:      300
% 14.04/14.48  Deletedinuse: 34
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Failed to find proof!
% 14.04/14.48  maxweight =   28
% 14.04/14.48  maxnrclauses = 10000000
% 14.04/14.48  Generated: 263885
% 14.04/14.48  Kept: 6958
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  The strategy used was not complete!
% 14.04/14.48  
% 14.04/14.48  Increased maxweight to 29
% 14.04/14.48  
% 14.04/14.48  Starting Search:
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    14940
% 14.04/14.48  Kept:         2076
% 14.04/14.48  Inuse:        549
% 14.04/14.48  Deleted:      98
% 14.04/14.48  Deletedinuse: 11
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Intermediate Status:
% 14.04/14.48  Generated:    26509
% 14.04/14.48  Kept:         4077
% 14.04/14.48  Inuse:        934
% 14.04/14.48  Deleted:      149
% 14.04/14.48  Deletedinuse: 31
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  Resimplifying inuse:
% 14.04/14.48  Done
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Bliksems!, er is een bewijs:
% 14.04/14.48  % SZS status Unsatisfiable
% 14.04/14.48  % SZS output start Refutation
% 14.04/14.48  
% 14.04/14.48  clause( 0, [ =( cons( X, merge( Y, cons( Z, T ) ) ), aux( X, Y, Z, T, btrue
% 14.04/14.48     ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 2, [ =( leqNat( z, X ), btrue ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 4, [ =( leqNat( s( X ), s( Y ) ), leqNat( X, Y ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 5, [ =( merge( nil, X ), X ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 6, [ =( merge( cons( X, Y ), nil ), cons( X, Y ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 7, [ =( aux( X, Y, Z, T, leqNat( X, Z ) ), merge( cons( X, Y ), 
% 14.04/14.48    cons( Z, T ) ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 8, [ =( impl( btrue, X ), X ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 10, [ =( impl( eq( merge( X, Y ), merge( Y, X ) ), impl( eq( merge( 
% 14.04/14.48    X, Z ), merge( Z, X ) ), eq( merge( Y, Z ), merge( Z, Y ) ) ) ), 
% 14.04/14.48    'prop_merge_comm'( X, Y, Z ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 15, [ =( eq2( s( X ), z ), bfalse ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 16, [ =( eq( X, X ), btrue ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 17, [ =( eq2( X, X ), btrue ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 18, [ =( eq3( X, X ), btrue ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 19, [ ~( =( eq2( X, Y ), bfalse ) ), =( eq( cons( X, Z ), cons( Y, 
% 14.04/14.48    T ) ), bfalse ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 20, [ ~( =( eq2( X, Y ), btrue ) ), =( eq( cons( X, Z ), cons( Y, T
% 14.04/14.48     ) ), eq( Z, T ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 23, [ ~( =( eq3( 'prop_merge_comm'( X, Y, Z ), bfalse ), btrue ) )
% 14.04/14.48     ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 37, [ =( aux( s( X ), Z, s( Y ), T, leqNat( X, Y ) ), merge( cons( 
% 14.04/14.48    s( X ), Z ), cons( s( Y ), T ) ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 39, [ =( merge( cons( z, Y ), cons( X, Z ) ), aux( z, Y, X, Z, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 46, [ =( impl( eq( X, merge( X, nil ) ), impl( eq( Y, merge( Y, nil
% 14.04/14.48     ) ), eq( merge( X, Y ), merge( Y, X ) ) ) ), 'prop_merge_comm'( nil, X, 
% 14.04/14.48    Y ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 58, [ =( eq( cons( s( X ), Y ), cons( z, Z ) ), bfalse ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 66, [ =( eq( cons( X, Y ), cons( X, Z ) ), eq( Y, Z ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 96, [ =( eq( cons( s( T ), U ), aux( z, X, Y, Z, btrue ) ), bfalse
% 14.04/14.48     ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 99, [ =( eq( aux( X, Y, Z, T, btrue ), cons( X, U ) ), eq( merge( Y
% 14.04/14.48    , cons( Z, T ) ), U ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 114, [ =( merge( cons( s( z ), Y ), cons( s( X ), Z ) ), aux( s( z
% 14.04/14.48     ), Y, s( X ), Z, btrue ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 355, [ =( eq( aux( X, U, W, V0, btrue ), aux( X, Y, Z, T, btrue ) )
% 14.04/14.48    , eq( merge( U, cons( W, V0 ) ), merge( Y, cons( Z, T ) ) ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 359, [ =( eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y
% 14.04/14.48     ), Z ), cons( s( z ), X ) ) ), 'prop_merge_comm'( nil, cons( s( z ), X )
% 14.04/14.48    , cons( s( Y ), Z ) ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 1849, [ =( eq( merge( Y, cons( s( z ), X ) ), merge( X, cons( s( z
% 14.04/14.48     ), Y ) ) ), 'prop_merge_comm'( nil, cons( s( z ), Y ), cons( s( z ), X )
% 14.04/14.48     ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 5182, [ =( eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) ) )
% 14.04/14.48    , 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z ), X ) ) ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 5202, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z
% 14.04/14.48     ), cons( z, X ) ) ), bfalse ) ] )
% 14.04/14.48  .
% 14.04/14.48  clause( 5207, [] )
% 14.04/14.48  .
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  % SZS output end Refutation
% 14.04/14.48  found a proof!
% 14.04/14.48  
% 14.04/14.48  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 14.04/14.48  
% 14.04/14.48  initialclauses(
% 14.04/14.48  [ clause( 5209, [ =( aux( X, Y, Z, T, btrue ), cons( X, merge( Y, cons( Z, 
% 14.04/14.48    T ) ) ) ) ] )
% 14.04/14.48  , clause( 5210, [ =( aux( X, Y, Z, T, bfalse ), cons( Z, merge( cons( X, Y
% 14.04/14.48     ), T ) ) ) ] )
% 14.04/14.48  , clause( 5211, [ =( leqNat( z, X ), btrue ) ] )
% 14.04/14.48  , clause( 5212, [ =( leqNat( s( X ), z ), bfalse ) ] )
% 14.04/14.48  , clause( 5213, [ =( leqNat( s( X ), s( Y ) ), leqNat( X, Y ) ) ] )
% 14.04/14.48  , clause( 5214, [ =( merge( nil, X ), X ) ] )
% 14.04/14.48  , clause( 5215, [ =( merge( cons( X, Y ), nil ), cons( X, Y ) ) ] )
% 14.04/14.48  , clause( 5216, [ =( merge( cons( X, Y ), cons( Z, T ) ), aux( X, Y, Z, T, 
% 14.04/14.48    leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , clause( 5217, [ =( impl( btrue, X ), X ) ] )
% 14.04/14.48  , clause( 5218, [ =( impl( bfalse, X ), btrue ) ] )
% 14.04/14.48  , clause( 5219, [ =( 'prop_merge_comm'( X, Y, Z ), impl( eq( merge( X, Y )
% 14.04/14.48    , merge( Y, X ) ), impl( eq( merge( X, Z ), merge( Z, X ) ), eq( merge( Y
% 14.04/14.48    , Z ), merge( Z, Y ) ) ) ) ) ] )
% 14.04/14.48  , clause( 5220, [ =( eq3( bfalse, btrue ), bfalse ) ] )
% 14.04/14.48  , clause( 5221, [ =( eq3( btrue, bfalse ), bfalse ) ] )
% 14.04/14.48  , clause( 5222, [ =( eq2( s( X ), s( Y ) ), eq2( X, Y ) ) ] )
% 14.04/14.48  , clause( 5223, [ =( eq2( z, s( X ) ), bfalse ) ] )
% 14.04/14.48  , clause( 5224, [ =( eq2( s( X ), z ), bfalse ) ] )
% 14.04/14.48  , clause( 5225, [ =( eq( X, X ), btrue ) ] )
% 14.04/14.48  , clause( 5226, [ =( eq2( X, X ), btrue ) ] )
% 14.04/14.48  , clause( 5227, [ =( eq3( X, X ), btrue ) ] )
% 14.04/14.48  , clause( 5228, [ ~( =( eq2( X, Y ), bfalse ) ), =( eq( cons( X, Z ), cons( 
% 14.04/14.48    Y, T ) ), bfalse ) ] )
% 14.04/14.48  , clause( 5229, [ ~( =( eq2( X, Y ), btrue ) ), =( eq( cons( X, Z ), cons( 
% 14.04/14.48    Y, T ) ), eq( Z, T ) ) ] )
% 14.04/14.48  , clause( 5230, [ =( eq( nil, cons( X, Y ) ), bfalse ) ] )
% 14.04/14.48  , clause( 5231, [ =( eq( cons( X, Y ), nil ), bfalse ) ] )
% 14.04/14.48  , clause( 5232, [ ~( =( eq3( 'prop_merge_comm'( X, Y, Z ), bfalse ), btrue
% 14.04/14.48     ) ) ] )
% 14.04/14.48  ] ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5233, [ =( cons( X, merge( Y, cons( Z, T ) ) ), aux( X, Y, Z, T, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , clause( 5209, [ =( aux( X, Y, Z, T, btrue ), cons( X, merge( Y, cons( Z, 
% 14.04/14.48    T ) ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 0, [ =( cons( X, merge( Y, cons( Z, T ) ) ), aux( X, Y, Z, T, btrue
% 14.04/14.48     ) ) ] )
% 14.04/14.48  , clause( 5233, [ =( cons( X, merge( Y, cons( Z, T ) ) ), aux( X, Y, Z, T, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 2, [ =( leqNat( z, X ), btrue ) ] )
% 14.04/14.48  , clause( 5211, [ =( leqNat( z, X ), btrue ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 4, [ =( leqNat( s( X ), s( Y ) ), leqNat( X, Y ) ) ] )
% 14.04/14.48  , clause( 5213, [ =( leqNat( s( X ), s( Y ) ), leqNat( X, Y ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 14.04/14.48     )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 5, [ =( merge( nil, X ), X ) ] )
% 14.04/14.48  , clause( 5214, [ =( merge( nil, X ), X ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 6, [ =( merge( cons( X, Y ), nil ), cons( X, Y ) ) ] )
% 14.04/14.48  , clause( 5215, [ =( merge( cons( X, Y ), nil ), cons( X, Y ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 14.04/14.48     )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5262, [ =( aux( X, Y, Z, T, leqNat( X, Z ) ), merge( cons( X, Y ), 
% 14.04/14.48    cons( Z, T ) ) ) ] )
% 14.04/14.48  , clause( 5216, [ =( merge( cons( X, Y ), cons( Z, T ) ), aux( X, Y, Z, T, 
% 14.04/14.48    leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 7, [ =( aux( X, Y, Z, T, leqNat( X, Z ) ), merge( cons( X, Y ), 
% 14.04/14.48    cons( Z, T ) ) ) ] )
% 14.04/14.48  , clause( 5262, [ =( aux( X, Y, Z, T, leqNat( X, Z ) ), merge( cons( X, Y )
% 14.04/14.48    , cons( Z, T ) ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 8, [ =( impl( btrue, X ), X ) ] )
% 14.04/14.48  , clause( 5217, [ =( impl( btrue, X ), X ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5282, [ =( impl( eq( merge( X, Y ), merge( Y, X ) ), impl( eq( 
% 14.04/14.48    merge( X, Z ), merge( Z, X ) ), eq( merge( Y, Z ), merge( Z, Y ) ) ) ), 
% 14.04/14.48    'prop_merge_comm'( X, Y, Z ) ) ] )
% 14.04/14.48  , clause( 5219, [ =( 'prop_merge_comm'( X, Y, Z ), impl( eq( merge( X, Y )
% 14.04/14.48    , merge( Y, X ) ), impl( eq( merge( X, Z ), merge( Z, X ) ), eq( merge( Y
% 14.04/14.48    , Z ), merge( Z, Y ) ) ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 10, [ =( impl( eq( merge( X, Y ), merge( Y, X ) ), impl( eq( merge( 
% 14.04/14.48    X, Z ), merge( Z, X ) ), eq( merge( Y, Z ), merge( Z, Y ) ) ) ), 
% 14.04/14.48    'prop_merge_comm'( X, Y, Z ) ) ] )
% 14.04/14.48  , clause( 5282, [ =( impl( eq( merge( X, Y ), merge( Y, X ) ), impl( eq( 
% 14.04/14.48    merge( X, Z ), merge( Z, X ) ), eq( merge( Y, Z ), merge( Z, Y ) ) ) ), 
% 14.04/14.48    'prop_merge_comm'( X, Y, Z ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 15, [ =( eq2( s( X ), z ), bfalse ) ] )
% 14.04/14.48  , clause( 5224, [ =( eq2( s( X ), z ), bfalse ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 16, [ =( eq( X, X ), btrue ) ] )
% 14.04/14.48  , clause( 5225, [ =( eq( X, X ), btrue ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 17, [ =( eq2( X, X ), btrue ) ] )
% 14.04/14.48  , clause( 5226, [ =( eq2( X, X ), btrue ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 18, [ =( eq3( X, X ), btrue ) ] )
% 14.04/14.48  , clause( 5227, [ =( eq3( X, X ), btrue ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 19, [ ~( =( eq2( X, Y ), bfalse ) ), =( eq( cons( X, Z ), cons( Y, 
% 14.04/14.48    T ) ), bfalse ) ] )
% 14.04/14.48  , clause( 5228, [ ~( =( eq2( X, Y ), bfalse ) ), =( eq( cons( X, Z ), cons( 
% 14.04/14.48    Y, T ) ), bfalse ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 20, [ ~( =( eq2( X, Y ), btrue ) ), =( eq( cons( X, Z ), cons( Y, T
% 14.04/14.48     ) ), eq( Z, T ) ) ] )
% 14.04/14.48  , clause( 5229, [ ~( =( eq2( X, Y ), btrue ) ), =( eq( cons( X, Z ), cons( 
% 14.04/14.48    Y, T ) ), eq( Z, T ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 23, [ ~( =( eq3( 'prop_merge_comm'( X, Y, Z ), bfalse ), btrue ) )
% 14.04/14.48     ] )
% 14.04/14.48  , clause( 5232, [ ~( =( eq3( 'prop_merge_comm'( X, Y, Z ), bfalse ), btrue
% 14.04/14.48     ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5429, [ =( merge( cons( X, Y ), cons( Z, T ) ), aux( X, Y, Z, T, 
% 14.04/14.48    leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , clause( 7, [ =( aux( X, Y, Z, T, leqNat( X, Z ) ), merge( cons( X, Y ), 
% 14.04/14.48    cons( Z, T ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5430, [ =( merge( cons( s( X ), Y ), cons( s( Z ), T ) ), aux( s( X
% 14.04/14.48     ), Y, s( Z ), T, leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , clause( 4, [ =( leqNat( s( X ), s( Y ) ), leqNat( X, Y ) ) ] )
% 14.04/14.48  , 0, clause( 5429, [ =( merge( cons( X, Y ), cons( Z, T ) ), aux( X, Y, Z, 
% 14.04/14.48    T, leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , 0, 17, substitution( 0, [ :=( X, X ), :=( Y, Z )] ), substitution( 1, [ 
% 14.04/14.48    :=( X, s( X ) ), :=( Y, Y ), :=( Z, s( Z ) ), :=( T, T )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5431, [ =( aux( s( X ), Y, s( Z ), T, leqNat( X, Z ) ), merge( cons( 
% 14.04/14.48    s( X ), Y ), cons( s( Z ), T ) ) ) ] )
% 14.04/14.48  , clause( 5430, [ =( merge( cons( s( X ), Y ), cons( s( Z ), T ) ), aux( s( 
% 14.04/14.48    X ), Y, s( Z ), T, leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 37, [ =( aux( s( X ), Z, s( Y ), T, leqNat( X, Y ) ), merge( cons( 
% 14.04/14.48    s( X ), Z ), cons( s( Y ), T ) ) ) ] )
% 14.04/14.48  , clause( 5431, [ =( aux( s( X ), Y, s( Z ), T, leqNat( X, Z ) ), merge( 
% 14.04/14.48    cons( s( X ), Y ), cons( s( Z ), T ) ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Z ), :=( Z, Y ), :=( T, T )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5433, [ =( merge( cons( X, Y ), cons( Z, T ) ), aux( X, Y, Z, T, 
% 14.04/14.48    leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , clause( 7, [ =( aux( X, Y, Z, T, leqNat( X, Z ) ), merge( cons( X, Y ), 
% 14.04/14.48    cons( Z, T ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5434, [ =( merge( cons( z, X ), cons( Y, Z ) ), aux( z, X, Y, Z, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , clause( 2, [ =( leqNat( z, X ), btrue ) ] )
% 14.04/14.48  , 0, clause( 5433, [ =( merge( cons( X, Y ), cons( Z, T ) ), aux( X, Y, Z, 
% 14.04/14.48    T, leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , 0, 13, substitution( 0, [ :=( X, Y )] ), substitution( 1, [ :=( X, z ), 
% 14.04/14.48    :=( Y, X ), :=( Z, Y ), :=( T, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 39, [ =( merge( cons( z, Y ), cons( X, Z ) ), aux( z, Y, X, Z, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , clause( 5434, [ =( merge( cons( z, X ), cons( Y, Z ) ), aux( z, X, Y, Z, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Z )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5437, [ =( 'prop_merge_comm'( X, Y, Z ), impl( eq( merge( X, Y ), 
% 14.04/14.48    merge( Y, X ) ), impl( eq( merge( X, Z ), merge( Z, X ) ), eq( merge( Y, 
% 14.04/14.48    Z ), merge( Z, Y ) ) ) ) ) ] )
% 14.04/14.48  , clause( 10, [ =( impl( eq( merge( X, Y ), merge( Y, X ) ), impl( eq( 
% 14.04/14.48    merge( X, Z ), merge( Z, X ) ), eq( merge( Y, Z ), merge( Z, Y ) ) ) ), 
% 14.04/14.48    'prop_merge_comm'( X, Y, Z ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5441, [ =( 'prop_merge_comm'( nil, X, Y ), impl( eq( merge( nil, X
% 14.04/14.48     ), merge( X, nil ) ), impl( eq( Y, merge( Y, nil ) ), eq( merge( X, Y )
% 14.04/14.48    , merge( Y, X ) ) ) ) ) ] )
% 14.04/14.48  , clause( 5, [ =( merge( nil, X ), X ) ] )
% 14.04/14.48  , 0, clause( 5437, [ =( 'prop_merge_comm'( X, Y, Z ), impl( eq( merge( X, Y
% 14.04/14.48     ), merge( Y, X ) ), impl( eq( merge( X, Z ), merge( Z, X ) ), eq( merge( 
% 14.04/14.48    Y, Z ), merge( Z, Y ) ) ) ) ) ] )
% 14.04/14.48  , 0, 15, substitution( 0, [ :=( X, Y )] ), substitution( 1, [ :=( X, nil )
% 14.04/14.48    , :=( Y, X ), :=( Z, Y )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5454, [ =( 'prop_merge_comm'( nil, X, Y ), impl( eq( X, merge( X, 
% 14.04/14.48    nil ) ), impl( eq( Y, merge( Y, nil ) ), eq( merge( X, Y ), merge( Y, X )
% 14.04/14.48     ) ) ) ) ] )
% 14.04/14.48  , clause( 5, [ =( merge( nil, X ), X ) ] )
% 14.04/14.48  , 0, clause( 5441, [ =( 'prop_merge_comm'( nil, X, Y ), impl( eq( merge( 
% 14.04/14.48    nil, X ), merge( X, nil ) ), impl( eq( Y, merge( Y, nil ) ), eq( merge( X
% 14.04/14.48    , Y ), merge( Y, X ) ) ) ) ) ] )
% 14.04/14.48  , 0, 7, substitution( 0, [ :=( X, X )] ), substitution( 1, [ :=( X, X ), 
% 14.04/14.48    :=( Y, Y )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5455, [ =( impl( eq( X, merge( X, nil ) ), impl( eq( Y, merge( Y, 
% 14.04/14.48    nil ) ), eq( merge( X, Y ), merge( Y, X ) ) ) ), 'prop_merge_comm'( nil, 
% 14.04/14.48    X, Y ) ) ] )
% 14.04/14.48  , clause( 5454, [ =( 'prop_merge_comm'( nil, X, Y ), impl( eq( X, merge( X
% 14.04/14.48    , nil ) ), impl( eq( Y, merge( Y, nil ) ), eq( merge( X, Y ), merge( Y, X
% 14.04/14.48     ) ) ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 46, [ =( impl( eq( X, merge( X, nil ) ), impl( eq( Y, merge( Y, nil
% 14.04/14.48     ) ), eq( merge( X, Y ), merge( Y, X ) ) ) ), 'prop_merge_comm'( nil, X, 
% 14.04/14.48    Y ) ) ] )
% 14.04/14.48  , clause( 5455, [ =( impl( eq( X, merge( X, nil ) ), impl( eq( Y, merge( Y
% 14.04/14.48    , nil ) ), eq( merge( X, Y ), merge( Y, X ) ) ) ), 'prop_merge_comm'( nil
% 14.04/14.48    , X, Y ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 14.04/14.48     )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5456, [ ~( =( bfalse, eq2( X, Y ) ) ), =( eq( cons( X, Z ), cons( Y
% 14.04/14.48    , T ) ), bfalse ) ] )
% 14.04/14.48  , clause( 19, [ ~( =( eq2( X, Y ), bfalse ) ), =( eq( cons( X, Z ), cons( Y
% 14.04/14.48    , T ) ), bfalse ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5459, [ =( bfalse, eq2( s( X ), z ) ) ] )
% 14.04/14.48  , clause( 15, [ =( eq2( s( X ), z ), bfalse ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  resolution(
% 14.04/14.48  clause( 5460, [ =( eq( cons( s( X ), Y ), cons( z, Z ) ), bfalse ) ] )
% 14.04/14.48  , clause( 5456, [ ~( =( bfalse, eq2( X, Y ) ) ), =( eq( cons( X, Z ), cons( 
% 14.04/14.48    Y, T ) ), bfalse ) ] )
% 14.04/14.48  , 0, clause( 5459, [ =( bfalse, eq2( s( X ), z ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, s( X ) ), :=( Y, z ), :=( Z, Y ), :=( T, Z )] )
% 14.04/14.48    , substitution( 1, [ :=( X, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 58, [ =( eq( cons( s( X ), Y ), cons( z, Z ) ), bfalse ) ] )
% 14.04/14.48  , clause( 5460, [ =( eq( cons( s( X ), Y ), cons( z, Z ) ), bfalse ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5462, [ ~( =( btrue, eq2( X, Y ) ) ), =( eq( cons( X, Z ), cons( Y
% 14.04/14.48    , T ) ), eq( Z, T ) ) ] )
% 14.04/14.48  , clause( 20, [ ~( =( eq2( X, Y ), btrue ) ), =( eq( cons( X, Z ), cons( Y
% 14.04/14.48    , T ) ), eq( Z, T ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5465, [ =( btrue, eq2( X, X ) ) ] )
% 14.04/14.48  , clause( 17, [ =( eq2( X, X ), btrue ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  resolution(
% 14.04/14.48  clause( 5466, [ =( eq( cons( X, Y ), cons( X, Z ) ), eq( Y, Z ) ) ] )
% 14.04/14.48  , clause( 5462, [ ~( =( btrue, eq2( X, Y ) ) ), =( eq( cons( X, Z ), cons( 
% 14.04/14.48    Y, T ) ), eq( Z, T ) ) ] )
% 14.04/14.48  , 0, clause( 5465, [ =( btrue, eq2( X, X ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, X ), :=( Z, Y ), :=( T, Z )] ), 
% 14.04/14.48    substitution( 1, [ :=( X, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 66, [ =( eq( cons( X, Y ), cons( X, Z ) ), eq( Y, Z ) ) ] )
% 14.04/14.48  , clause( 5466, [ =( eq( cons( X, Y ), cons( X, Z ) ), eq( Y, Z ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5469, [ =( bfalse, eq( cons( s( X ), Y ), cons( z, Z ) ) ) ] )
% 14.04/14.48  , clause( 58, [ =( eq( cons( s( X ), Y ), cons( z, Z ) ), bfalse ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5471, [ =( bfalse, eq( cons( s( X ), Y ), aux( z, Z, T, U, btrue )
% 14.04/14.48     ) ) ] )
% 14.04/14.48  , clause( 0, [ =( cons( X, merge( Y, cons( Z, T ) ) ), aux( X, Y, Z, T, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , 0, clause( 5469, [ =( bfalse, eq( cons( s( X ), Y ), cons( z, Z ) ) ) ]
% 14.04/14.48     )
% 14.04/14.48  , 0, 7, substitution( 0, [ :=( X, z ), :=( Y, Z ), :=( Z, T ), :=( T, U )] )
% 14.04/14.48    , substitution( 1, [ :=( X, X ), :=( Y, Y ), :=( Z, merge( Z, cons( T, U
% 14.04/14.48     ) ) )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5473, [ =( eq( cons( s( X ), Y ), aux( z, Z, T, U, btrue ) ), 
% 14.04/14.48    bfalse ) ] )
% 14.04/14.48  , clause( 5471, [ =( bfalse, eq( cons( s( X ), Y ), aux( z, Z, T, U, btrue
% 14.04/14.48     ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), 
% 14.04/14.48    :=( U, U )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 96, [ =( eq( cons( s( T ), U ), aux( z, X, Y, Z, btrue ) ), bfalse
% 14.04/14.48     ) ] )
% 14.04/14.48  , clause( 5473, [ =( eq( cons( s( X ), Y ), aux( z, Z, T, U, btrue ) ), 
% 14.04/14.48    bfalse ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, T ), :=( Y, U ), :=( Z, X ), :=( T, Y ), :=( U
% 14.04/14.48    , Z )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5475, [ =( eq( Y, Z ), eq( cons( X, Y ), cons( X, Z ) ) ) ] )
% 14.04/14.48  , clause( 66, [ =( eq( cons( X, Y ), cons( X, Z ) ), eq( Y, Z ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5476, [ =( eq( merge( X, cons( Y, Z ) ), T ), eq( aux( U, X, Y, Z, 
% 14.04/14.48    btrue ), cons( U, T ) ) ) ] )
% 14.04/14.48  , clause( 0, [ =( cons( X, merge( Y, cons( Z, T ) ) ), aux( X, Y, Z, T, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , 0, clause( 5475, [ =( eq( Y, Z ), eq( cons( X, Y ), cons( X, Z ) ) ) ] )
% 14.04/14.48  , 0, 9, substitution( 0, [ :=( X, U ), :=( Y, X ), :=( Z, Y ), :=( T, Z )] )
% 14.04/14.48    , substitution( 1, [ :=( X, U ), :=( Y, merge( X, cons( Y, Z ) ) ), :=( Z
% 14.04/14.48    , T )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5478, [ =( eq( aux( U, X, Y, Z, btrue ), cons( U, T ) ), eq( merge( 
% 14.04/14.48    X, cons( Y, Z ) ), T ) ) ] )
% 14.04/14.48  , clause( 5476, [ =( eq( merge( X, cons( Y, Z ) ), T ), eq( aux( U, X, Y, Z
% 14.04/14.48    , btrue ), cons( U, T ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), 
% 14.04/14.48    :=( U, U )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 99, [ =( eq( aux( X, Y, Z, T, btrue ), cons( X, U ) ), eq( merge( Y
% 14.04/14.48    , cons( Z, T ) ), U ) ) ] )
% 14.04/14.48  , clause( 5478, [ =( eq( aux( U, X, Y, Z, btrue ), cons( U, T ) ), eq( 
% 14.04/14.48    merge( X, cons( Y, Z ) ), T ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, Y ), :=( Y, Z ), :=( Z, T ), :=( T, U ), :=( U
% 14.04/14.48    , X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5481, [ =( merge( cons( s( X ), Y ), cons( s( Z ), T ) ), aux( s( X
% 14.04/14.48     ), Y, s( Z ), T, leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , clause( 37, [ =( aux( s( X ), Z, s( Y ), T, leqNat( X, Y ) ), merge( cons( 
% 14.04/14.48    s( X ), Z ), cons( s( Y ), T ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Z ), :=( Z, Y ), :=( T, T )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5482, [ =( merge( cons( s( z ), X ), cons( s( Y ), Z ) ), aux( s( z
% 14.04/14.48     ), X, s( Y ), Z, btrue ) ) ] )
% 14.04/14.48  , clause( 2, [ =( leqNat( z, X ), btrue ) ] )
% 14.04/14.48  , 0, clause( 5481, [ =( merge( cons( s( X ), Y ), cons( s( Z ), T ) ), aux( 
% 14.04/14.48    s( X ), Y, s( Z ), T, leqNat( X, Z ) ) ) ] )
% 14.04/14.48  , 0, 17, substitution( 0, [ :=( X, Y )] ), substitution( 1, [ :=( X, z ), 
% 14.04/14.48    :=( Y, X ), :=( Z, Y ), :=( T, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 114, [ =( merge( cons( s( z ), Y ), cons( s( X ), Z ) ), aux( s( z
% 14.04/14.48     ), Y, s( X ), Z, btrue ) ) ] )
% 14.04/14.48  , clause( 5482, [ =( merge( cons( s( z ), X ), cons( s( Y ), Z ) ), aux( s( 
% 14.04/14.48    z ), X, s( Y ), Z, btrue ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Z )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5485, [ =( eq( merge( Y, cons( Z, T ) ), U ), eq( aux( X, Y, Z, T, 
% 14.04/14.48    btrue ), cons( X, U ) ) ) ] )
% 14.04/14.48  , clause( 99, [ =( eq( aux( X, Y, Z, T, btrue ), cons( X, U ) ), eq( merge( 
% 14.04/14.48    Y, cons( Z, T ) ), U ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), 
% 14.04/14.48    :=( U, U )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5487, [ =( eq( merge( X, cons( Y, Z ) ), merge( T, cons( U, W ) ) )
% 14.04/14.48    , eq( aux( V0, X, Y, Z, btrue ), aux( V0, T, U, W, btrue ) ) ) ] )
% 14.04/14.48  , clause( 0, [ =( cons( X, merge( Y, cons( Z, T ) ) ), aux( X, Y, Z, T, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , 0, clause( 5485, [ =( eq( merge( Y, cons( Z, T ) ), U ), eq( aux( X, Y, Z
% 14.04/14.48    , T, btrue ), cons( X, U ) ) ) ] )
% 14.04/14.48  , 0, 19, substitution( 0, [ :=( X, V0 ), :=( Y, T ), :=( Z, U ), :=( T, W )] )
% 14.04/14.48    , substitution( 1, [ :=( X, V0 ), :=( Y, X ), :=( Z, Y ), :=( T, Z ), 
% 14.04/14.48    :=( U, merge( T, cons( U, W ) ) )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5489, [ =( eq( aux( V0, X, Y, Z, btrue ), aux( V0, T, U, W, btrue )
% 14.04/14.48     ), eq( merge( X, cons( Y, Z ) ), merge( T, cons( U, W ) ) ) ) ] )
% 14.04/14.48  , clause( 5487, [ =( eq( merge( X, cons( Y, Z ) ), merge( T, cons( U, W ) )
% 14.04/14.48     ), eq( aux( V0, X, Y, Z, btrue ), aux( V0, T, U, W, btrue ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), 
% 14.04/14.48    :=( U, U ), :=( W, W ), :=( V0, V0 )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 355, [ =( eq( aux( X, U, W, V0, btrue ), aux( X, Y, Z, T, btrue ) )
% 14.04/14.48    , eq( merge( U, cons( W, V0 ) ), merge( Y, cons( Z, T ) ) ) ) ] )
% 14.04/14.48  , clause( 5489, [ =( eq( aux( V0, X, Y, Z, btrue ), aux( V0, T, U, W, btrue
% 14.04/14.48     ) ), eq( merge( X, cons( Y, Z ) ), merge( T, cons( U, W ) ) ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, U ), :=( Y, W ), :=( Z, V0 ), :=( T, Y ), :=( U
% 14.04/14.48    , Z ), :=( W, T ), :=( V0, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5491, [ =( 'prop_merge_comm'( nil, X, Y ), impl( eq( X, merge( X, 
% 14.04/14.48    nil ) ), impl( eq( Y, merge( Y, nil ) ), eq( merge( X, Y ), merge( Y, X )
% 14.04/14.48     ) ) ) ) ] )
% 14.04/14.48  , clause( 46, [ =( impl( eq( X, merge( X, nil ) ), impl( eq( Y, merge( Y, 
% 14.04/14.48    nil ) ), eq( merge( X, Y ), merge( Y, X ) ) ) ), 'prop_merge_comm'( nil, 
% 14.04/14.48    X, Y ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5498, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil ) ), 
% 14.04/14.48    impl( eq( cons( s( Y ), Z ), merge( cons( s( Y ), Z ), nil ) ), eq( aux( 
% 14.04/14.48    s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z ), cons( s( z ), X
% 14.04/14.48     ) ) ) ) ) ) ] )
% 14.04/14.48  , clause( 114, [ =( merge( cons( s( z ), Y ), cons( s( X ), Z ) ), aux( s( 
% 14.04/14.48    z ), Y, s( X ), Z, btrue ) ) ] )
% 14.04/14.48  , 0, clause( 5491, [ =( 'prop_merge_comm'( nil, X, Y ), impl( eq( X, merge( 
% 14.04/14.48    X, nil ) ), impl( eq( Y, merge( Y, nil ) ), eq( merge( X, Y ), merge( Y, 
% 14.04/14.48    X ) ) ) ) ) ] )
% 14.04/14.48  , 0, 36, substitution( 0, [ :=( X, Y ), :=( Y, X ), :=( Z, Z )] ), 
% 14.04/14.48    substitution( 1, [ :=( X, cons( s( z ), X ) ), :=( Y, cons( s( Y ), Z ) )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5523, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil ) ), 
% 14.04/14.48    impl( eq( cons( s( Y ), Z ), cons( s( Y ), Z ) ), eq( aux( s( z ), X, s( 
% 14.04/14.48    Y ), Z, btrue ), merge( cons( s( Y ), Z ), cons( s( z ), X ) ) ) ) ) ) ]
% 14.04/14.48     )
% 14.04/14.48  , clause( 6, [ =( merge( cons( X, Y ), nil ), cons( X, Y ) ) ] )
% 14.04/14.48  , 0, clause( 5498, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    Y ), Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil )
% 14.04/14.48     ), impl( eq( cons( s( Y ), Z ), merge( cons( s( Y ), Z ), nil ) ), eq( 
% 14.04/14.48    aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z ), cons( s( z
% 14.04/14.48     ), X ) ) ) ) ) ) ] )
% 14.04/14.48  , 0, 29, substitution( 0, [ :=( X, s( Y ) ), :=( Y, Z )] ), substitution( 1
% 14.04/14.48    , [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5525, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil ) ), 
% 14.04/14.48    impl( btrue, eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y )
% 14.04/14.48    , Z ), cons( s( z ), X ) ) ) ) ) ) ] )
% 14.04/14.48  , clause( 16, [ =( eq( X, X ), btrue ) ] )
% 14.04/14.48  , 0, clause( 5523, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    Y ), Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil )
% 14.04/14.48     ), impl( eq( cons( s( Y ), Z ), cons( s( Y ), Z ) ), eq( aux( s( z ), X
% 14.04/14.48    , s( Y ), Z, btrue ), merge( cons( s( Y ), Z ), cons( s( z ), X ) ) ) ) )
% 14.04/14.48     ) ] )
% 14.04/14.48  , 0, 24, substitution( 0, [ :=( X, cons( s( Y ), Z ) )] ), substitution( 1
% 14.04/14.48    , [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5526, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil ) ), 
% 14.04/14.48    eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z ), cons( s( 
% 14.04/14.48    z ), X ) ) ) ) ) ] )
% 14.04/14.48  , clause( 8, [ =( impl( btrue, X ), X ) ] )
% 14.04/14.48  , 0, clause( 5525, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    Y ), Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil )
% 14.04/14.48     ), impl( btrue, eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( 
% 14.04/14.48    Y ), Z ), cons( s( z ), X ) ) ) ) ) ) ] )
% 14.04/14.48  , 0, 23, substitution( 0, [ :=( X, eq( aux( s( z ), X, s( Y ), Z, btrue ), 
% 14.04/14.48    merge( cons( s( Y ), Z ), cons( s( z ), X ) ) ) )] ), substitution( 1, [ 
% 14.04/14.48    :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5527, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), impl( eq( cons( s( z ), X ), cons( s( z ), X ) ), eq( aux( s( z
% 14.04/14.48     ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z ), cons( s( z ), X ) )
% 14.04/14.48     ) ) ) ] )
% 14.04/14.48  , clause( 6, [ =( merge( cons( X, Y ), nil ), cons( X, Y ) ) ] )
% 14.04/14.48  , 0, clause( 5526, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    Y ), Z ) ), impl( eq( cons( s( z ), X ), merge( cons( s( z ), X ), nil )
% 14.04/14.48     ), eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z ), 
% 14.04/14.48    cons( s( z ), X ) ) ) ) ) ] )
% 14.04/14.48  , 0, 17, substitution( 0, [ :=( X, s( z ) ), :=( Y, X )] ), substitution( 1
% 14.04/14.48    , [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5528, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), impl( btrue, eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( 
% 14.04/14.48    s( Y ), Z ), cons( s( z ), X ) ) ) ) ) ] )
% 14.04/14.48  , clause( 16, [ =( eq( X, X ), btrue ) ] )
% 14.04/14.48  , 0, clause( 5527, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    Y ), Z ) ), impl( eq( cons( s( z ), X ), cons( s( z ), X ) ), eq( aux( s( 
% 14.04/14.48    z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z ), cons( s( z ), X ) )
% 14.04/14.48     ) ) ) ] )
% 14.04/14.48  , 0, 12, substitution( 0, [ :=( X, cons( s( z ), X ) )] ), substitution( 1
% 14.04/14.48    , [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5529, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z )
% 14.04/14.48    , cons( s( z ), X ) ) ) ) ] )
% 14.04/14.48  , clause( 8, [ =( impl( btrue, X ), X ) ] )
% 14.04/14.48  , 0, clause( 5528, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    Y ), Z ) ), impl( btrue, eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( 
% 14.04/14.48    cons( s( Y ), Z ), cons( s( z ), X ) ) ) ) ) ] )
% 14.04/14.48  , 0, 11, substitution( 0, [ :=( X, eq( aux( s( z ), X, s( Y ), Z, btrue ), 
% 14.04/14.48    merge( cons( s( Y ), Z ), cons( s( z ), X ) ) ) )] ), substitution( 1, [ 
% 14.04/14.48    :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5530, [ =( eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( 
% 14.04/14.48    Y ), Z ), cons( s( z ), X ) ) ), 'prop_merge_comm'( nil, cons( s( z ), X
% 14.04/14.48     ), cons( s( Y ), Z ) ) ) ] )
% 14.04/14.48  , clause( 5529, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y
% 14.04/14.48     ), Z ) ), eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z
% 14.04/14.48     ), cons( s( z ), X ) ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 359, [ =( eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y
% 14.04/14.48     ), Z ), cons( s( z ), X ) ) ), 'prop_merge_comm'( nil, cons( s( z ), X )
% 14.04/14.48    , cons( s( Y ), Z ) ) ) ] )
% 14.04/14.48  , clause( 5530, [ =( eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( 
% 14.04/14.48    Y ), Z ), cons( s( z ), X ) ) ), 'prop_merge_comm'( nil, cons( s( z ), X
% 14.04/14.48     ), cons( s( Y ), Z ) ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 14.04/14.48    permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5532, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( Y )
% 14.04/14.48    , Z ) ), eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), Z )
% 14.04/14.48    , cons( s( z ), X ) ) ) ) ] )
% 14.04/14.48  , clause( 359, [ =( eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( 
% 14.04/14.48    Y ), Z ), cons( s( z ), X ) ) ), 'prop_merge_comm'( nil, cons( s( z ), X
% 14.04/14.48     ), cons( s( Y ), Z ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5534, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( z )
% 14.04/14.48    , Y ) ), eq( aux( s( z ), X, s( z ), Y, btrue ), aux( s( z ), Y, s( z ), 
% 14.04/14.48    X, btrue ) ) ) ] )
% 14.04/14.48  , clause( 114, [ =( merge( cons( s( z ), Y ), cons( s( X ), Z ) ), aux( s( 
% 14.04/14.48    z ), Y, s( X ), Z, btrue ) ) ] )
% 14.04/14.48  , 0, clause( 5532, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    Y ), Z ) ), eq( aux( s( z ), X, s( Y ), Z, btrue ), merge( cons( s( Y ), 
% 14.04/14.48    Z ), cons( s( z ), X ) ) ) ) ] )
% 14.04/14.48  , 0, 20, substitution( 0, [ :=( X, z ), :=( Y, Y ), :=( Z, X )] ), 
% 14.04/14.48    substitution( 1, [ :=( X, X ), :=( Y, z ), :=( Z, Y )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5535, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( z )
% 14.04/14.48    , Y ) ), eq( merge( X, cons( s( z ), Y ) ), merge( Y, cons( s( z ), X ) )
% 14.04/14.48     ) ) ] )
% 14.04/14.48  , clause( 355, [ =( eq( aux( X, U, W, V0, btrue ), aux( X, Y, Z, T, btrue )
% 14.04/14.48     ), eq( merge( U, cons( W, V0 ) ), merge( Y, cons( Z, T ) ) ) ) ] )
% 14.04/14.48  , 0, clause( 5534, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    z ), Y ) ), eq( aux( s( z ), X, s( z ), Y, btrue ), aux( s( z ), Y, s( z
% 14.04/14.48     ), X, btrue ) ) ) ] )
% 14.04/14.48  , 0, 11, substitution( 0, [ :=( X, s( z ) ), :=( Y, Y ), :=( Z, s( z ) ), 
% 14.04/14.48    :=( T, X ), :=( U, X ), :=( W, s( z ) ), :=( V0, Y )] ), substitution( 1
% 14.04/14.48    , [ :=( X, X ), :=( Y, Y )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5536, [ =( eq( merge( X, cons( s( z ), Y ) ), merge( Y, cons( s( z
% 14.04/14.48     ), X ) ) ), 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( z ), Y )
% 14.04/14.48     ) ) ] )
% 14.04/14.48  , clause( 5535, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( z
% 14.04/14.48     ), Y ) ), eq( merge( X, cons( s( z ), Y ) ), merge( Y, cons( s( z ), X )
% 14.04/14.48     ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 1849, [ =( eq( merge( Y, cons( s( z ), X ) ), merge( X, cons( s( z
% 14.04/14.48     ), Y ) ) ), 'prop_merge_comm'( nil, cons( s( z ), Y ), cons( s( z ), X )
% 14.04/14.48     ) ) ] )
% 14.04/14.48  , clause( 5536, [ =( eq( merge( X, cons( s( z ), Y ) ), merge( Y, cons( s( 
% 14.04/14.48    z ), X ) ) ), 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( z ), Y
% 14.04/14.48     ) ) ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, Y ), :=( Y, X )] ), permutation( 0, [ ==>( 0, 0
% 14.04/14.48     )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5538, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( z )
% 14.04/14.48    , Y ) ), eq( merge( X, cons( s( z ), Y ) ), merge( Y, cons( s( z ), X ) )
% 14.04/14.48     ) ) ] )
% 14.04/14.48  , clause( 1849, [ =( eq( merge( Y, cons( s( z ), X ) ), merge( X, cons( s( 
% 14.04/14.48    z ), Y ) ) ), 'prop_merge_comm'( nil, cons( s( z ), Y ), cons( s( z ), X
% 14.04/14.48     ) ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, Y ), :=( Y, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5539, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z
% 14.04/14.48     ), X ) ), eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) ) ) ) ]
% 14.04/14.48     )
% 14.04/14.48  , clause( 5, [ =( merge( nil, X ), X ) ] )
% 14.04/14.48  , 0, clause( 5538, [ =( 'prop_merge_comm'( nil, cons( s( z ), X ), cons( s( 
% 14.04/14.48    z ), Y ) ), eq( merge( X, cons( s( z ), Y ) ), merge( Y, cons( s( z ), X
% 14.04/14.48     ) ) ) ) ] )
% 14.04/14.48  , 0, 12, substitution( 0, [ :=( X, cons( s( z ), X ) )] ), substitution( 1
% 14.04/14.48    , [ :=( X, nil ), :=( Y, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5541, [ =( eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) ) )
% 14.04/14.48    , 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z ), X ) ) ) ] )
% 14.04/14.48  , clause( 5539, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( 
% 14.04/14.48    z ), X ) ), eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) ) ) ) ]
% 14.04/14.48     )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 5182, [ =( eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) ) )
% 14.04/14.48    , 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z ), X ) ) ) ] )
% 14.04/14.48  , clause( 5541, [ =( eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) )
% 14.04/14.48     ), 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z ), X ) ) ) ]
% 14.04/14.48     )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5544, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z
% 14.04/14.48     ), X ) ), eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) ) ) ) ]
% 14.04/14.48     )
% 14.04/14.48  , clause( 5182, [ =( eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) )
% 14.04/14.48     ), 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z ), X ) ) ) ]
% 14.04/14.48     )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5546, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z
% 14.04/14.48     ), cons( z, X ) ) ), eq( cons( s( z ), cons( z, X ) ), aux( z, X, s( z )
% 14.04/14.48    , nil, btrue ) ) ) ] )
% 14.04/14.48  , clause( 39, [ =( merge( cons( z, Y ), cons( X, Z ) ), aux( z, Y, X, Z, 
% 14.04/14.48    btrue ) ) ] )
% 14.04/14.48  , 0, clause( 5544, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( 
% 14.04/14.48    s( z ), X ) ), eq( cons( s( z ), X ), merge( X, cons( s( z ), nil ) ) ) )
% 14.04/14.48     ] )
% 14.04/14.48  , 0, 20, substitution( 0, [ :=( X, s( z ) ), :=( Y, X ), :=( Z, nil )] ), 
% 14.04/14.48    substitution( 1, [ :=( X, cons( z, X ) )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5547, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z
% 14.04/14.48     ), cons( z, X ) ) ), bfalse ) ] )
% 14.04/14.48  , clause( 96, [ =( eq( cons( s( T ), U ), aux( z, X, Y, Z, btrue ) ), 
% 14.04/14.48    bfalse ) ] )
% 14.04/14.48  , 0, clause( 5546, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( 
% 14.04/14.48    s( z ), cons( z, X ) ) ), eq( cons( s( z ), cons( z, X ) ), aux( z, X, s( 
% 14.04/14.48    z ), nil, btrue ) ) ) ] )
% 14.04/14.48  , 0, 13, substitution( 0, [ :=( X, X ), :=( Y, s( z ) ), :=( Z, nil ), :=( 
% 14.04/14.48    T, z ), :=( U, cons( z, X ) )] ), substitution( 1, [ :=( X, X )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 5202, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( z
% 14.04/14.48     ), cons( z, X ) ) ), bfalse ) ] )
% 14.04/14.48  , clause( 5547, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( 
% 14.04/14.48    z ), cons( z, X ) ) ), bfalse ) ] )
% 14.04/14.48  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqswap(
% 14.04/14.48  clause( 5550, [ ~( =( btrue, eq3( 'prop_merge_comm'( X, Y, Z ), bfalse ) )
% 14.04/14.48     ) ] )
% 14.04/14.48  , clause( 23, [ ~( =( eq3( 'prop_merge_comm'( X, Y, Z ), bfalse ), btrue )
% 14.04/14.48     ) ] )
% 14.04/14.48  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5552, [ ~( =( btrue, eq3( bfalse, bfalse ) ) ) ] )
% 14.04/14.48  , clause( 5202, [ =( 'prop_merge_comm'( nil, cons( s( z ), nil ), cons( s( 
% 14.04/14.48    z ), cons( z, X ) ) ), bfalse ) ] )
% 14.04/14.48  , 0, clause( 5550, [ ~( =( btrue, eq3( 'prop_merge_comm'( X, Y, Z ), bfalse
% 14.04/14.48     ) ) ) ] )
% 14.04/14.48  , 0, 4, substitution( 0, [ :=( X, X )] ), substitution( 1, [ :=( X, nil ), 
% 14.04/14.48    :=( Y, cons( s( z ), nil ) ), :=( Z, cons( s( z ), cons( z, X ) ) )] )
% 14.04/14.48    ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  paramod(
% 14.04/14.48  clause( 5553, [ ~( =( btrue, btrue ) ) ] )
% 14.04/14.48  , clause( 18, [ =( eq3( X, X ), btrue ) ] )
% 14.04/14.48  , 0, clause( 5552, [ ~( =( btrue, eq3( bfalse, bfalse ) ) ) ] )
% 14.04/14.48  , 0, 3, substitution( 0, [ :=( X, bfalse )] ), substitution( 1, [] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  eqrefl(
% 14.04/14.48  clause( 5554, [] )
% 14.04/14.48  , clause( 5553, [ ~( =( btrue, btrue ) ) ] )
% 14.04/14.48  , 0, substitution( 0, [] )).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  subsumption(
% 14.04/14.48  clause( 5207, [] )
% 14.04/14.48  , clause( 5554, [] )
% 14.04/14.48  , substitution( 0, [] ), permutation( 0, [] ) ).
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  end.
% 14.04/14.48  
% 14.04/14.48  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 14.04/14.48  
% 14.04/14.48  Memory use:
% 14.04/14.48  
% 14.04/14.48  space for terms:        133486
% 14.04/14.48  space for clauses:      907100
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  clauses generated:      36437
% 14.04/14.48  clauses kept:           5208
% 14.04/14.48  clauses selected:       1180
% 14.04/14.48  clauses deleted:        169
% 14.04/14.48  clauses inuse deleted:  40
% 14.04/14.48  
% 14.04/14.48  subsentry:          5558
% 14.04/14.48  literals s-matched: 4547
% 14.04/14.48  literals matched:   4547
% 14.04/14.48  full subsumption:   7
% 14.04/14.48  
% 14.04/14.48  checksum:           1626056395
% 14.04/14.48  
% 14.04/14.48  
% 14.04/14.48  Bliksem ended
%------------------------------------------------------------------------------