TSTP Solution File: SYO664-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SYO664-1 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n021.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 : Thu Jul 21 14:29:13 EDT 2022

% Result   : Unsatisfiable 0.72s 1.11s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYO664-1 : TPTP v8.1.0. Released v7.3.0.
% 0.03/0.13  % Command  : bliksem %s
% 0.14/0.34  % Computer : n021.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % DateTime : Fri Jul  8 20:15:06 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.72/1.11  *** allocated 10000 integers for termspace/termends
% 0.72/1.11  *** allocated 10000 integers for clauses
% 0.72/1.11  *** allocated 10000 integers for justifications
% 0.72/1.11  Bliksem 1.12
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Automatic Strategy Selection
% 0.72/1.11  
% 0.72/1.11  Clauses:
% 0.72/1.11  [
% 0.72/1.11     [ ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0' ), f( X ) ) ), ~( 
% 0.72/1.11    'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( Z ) ) ) ), 
% 0.72/1.11    ~( 'E'( s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) ) ), ~( 
% 0.72/1.11    iLEQ( suc( T ), suc( Z ) ) ), ~( 'E'( s( '0' ), f( Z ) ) ), ~( iLEQ( suc( 
% 0.72/1.11    U ), suc( X ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( '0' ), f( U )
% 0.72/1.11     ) ), ~( iLEQ( suc( X ), suc( Y ) ) ), ~( iLEQ( suc( Z ), suc( U ) ) ), 
% 0.72/1.11    ~( 'E'( s( '0' ), f( suc( U ) ) ) ) ],
% 0.72/1.11     [ ~( 'LE'( f( z ), '0' ) ) ],
% 0.72/1.11     [ ~( 'LE'( f( X ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( X ) ), 'LE'( f( 
% 0.72/1.11    X ), s( '0' ) ) ],
% 0.72/1.11     [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 'E'( '0', 
% 0.72/1.11    f( suc( Z ) ) ) ), ~( iLEQ( suc( Z ), suc( Y ) ) ), ~( iLEQ( suc( Y ), 
% 0.72/1.11    suc( T ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0', f( Z ) ) ), 
% 0.72/1.11    ~( iLEQ( suc( T ), suc( X ) ) ), ~( 'E'( '0', f( U ) ) ), ~( iLEQ( suc( X
% 0.72/1.11     ), suc( U ) ) ), ~( 'E'( '0', f( suc( T ) ) ) ), ~( 'E'( '0', f( Y ) ) )
% 0.72/1.11    , ~( 'E'( '0', f( suc( U ) ) ) ), ~( 'E'( '0', f( T ) ) ) ],
% 0.72/1.11     [ 'LE'( f( X ), s( s( '0' ) ) ) ],
% 0.72/1.11     [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), iLEQ( suc( X
% 0.72/1.11     ), suc( X ) ) ],
% 0.72/1.11     [ ~( 'LE'( f( suc( X ) ), s( '0' ) ) ), 'E'( '0', f( suc( X ) ) ), 'LE'( 
% 0.72/1.11    f( X ), '0' ) ],
% 0.72/1.11     [ ~( 'LE'( f( X ), s( '0' ) ) ), 'E'( '0', f( X ) ), 'LE'( f( X ), '0' )
% 0.72/1.11     ],
% 0.72/1.11     [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X ) ) ) ), 
% 0.72/1.11    iLEQ( suc( X ), suc( X ) ) ],
% 0.72/1.11     [ ~( 'LE'( f( suc( X ) ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( suc( X )
% 0.72/1.11     ) ), 'LE'( f( X ), s( '0' ) ) ]
% 0.72/1.11  ] .
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  percentage equality = 0.000000, percentage horn = 0.600000
% 0.72/1.11  This a non-horn, non-equality problem
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Options Used:
% 0.72/1.11  
% 0.72/1.11  useres =            1
% 0.72/1.11  useparamod =        0
% 0.72/1.11  useeqrefl =         0
% 0.72/1.11  useeqfact =         0
% 0.72/1.11  usefactor =         1
% 0.72/1.11  usesimpsplitting =  0
% 0.72/1.11  usesimpdemod =      0
% 0.72/1.11  usesimpres =        3
% 0.72/1.11  
% 0.72/1.11  resimpinuse      =  1000
% 0.72/1.11  resimpclauses =     20000
% 0.72/1.11  substype =          standard
% 0.72/1.11  backwardsubs =      1
% 0.72/1.11  selectoldest =      5
% 0.72/1.11  
% 0.72/1.11  litorderings [0] =  split
% 0.72/1.11  litorderings [1] =  liftord
% 0.72/1.11  
% 0.72/1.11  termordering =      none
% 0.72/1.11  
% 0.72/1.11  litapriori =        1
% 0.72/1.11  termapriori =       0
% 0.72/1.11  litaposteriori =    0
% 0.72/1.11  termaposteriori =   0
% 0.72/1.11  demodaposteriori =  0
% 0.72/1.11  ordereqreflfact =   0
% 0.72/1.11  
% 0.72/1.11  litselect =         none
% 0.72/1.11  
% 0.72/1.11  maxweight =         15
% 0.72/1.11  maxdepth =          30000
% 0.72/1.11  maxlength =         115
% 0.72/1.11  maxnrvars =         195
% 0.72/1.11  excuselevel =       1
% 0.72/1.11  increasemaxweight = 1
% 0.72/1.11  
% 0.72/1.11  maxselected =       10000000
% 0.72/1.11  maxnrclauses =      10000000
% 0.72/1.11  
% 0.72/1.11  showgenerated =    0
% 0.72/1.11  showkept =         0
% 0.72/1.11  showselected =     0
% 0.72/1.11  showdeleted =      0
% 0.72/1.11  showresimp =       1
% 0.72/1.11  showstatus =       2000
% 0.72/1.11  
% 0.72/1.11  prologoutput =     1
% 0.72/1.11  nrgoals =          5000000
% 0.72/1.11  totalproof =       1
% 0.72/1.11  
% 0.72/1.11  Symbols occurring in the translation:
% 0.72/1.11  
% 0.72/1.11  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.11  .  [1, 2]      (w:1, o:32, a:1, s:1, b:0), 
% 0.72/1.11  !  [4, 1]      (w:0, o:24, a:1, s:1, b:0), 
% 0.72/1.11  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.11  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.11  '0'  [39, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 0.72/1.11  s  [40, 1]      (w:1, o:29, a:1, s:1, b:0), 
% 0.72/1.11  suc  [42, 1]      (w:1, o:30, a:1, s:1, b:0), 
% 0.72/1.11  f  [43, 1]      (w:1, o:31, a:1, s:1, b:0), 
% 0.72/1.11  'E'  [44, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.72/1.11  iLEQ  [48, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 0.72/1.11  z  [50, 0]      (w:1, o:18, a:1, s:1, b:0), 
% 0.72/1.11  'LE'  [51, 2]      (w:1, o:59, a:1, s:1, b:0).
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Starting Search:
% 0.72/1.11  
% 0.72/1.11  Resimplifying inuse:
% 0.72/1.11  Done
% 0.72/1.11  
% 0.72/1.11  Failed to find proof!
% 0.72/1.11  maxweight =   15
% 0.72/1.11  maxnrclauses = 10000000
% 0.72/1.11  Generated: 308
% 0.72/1.11  Kept: 33
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  The strategy used was not complete!
% 0.72/1.11  
% 0.72/1.11  Increased maxweight to 16
% 0.72/1.11  
% 0.72/1.11  Starting Search:
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Bliksems!, er is een bewijs:
% 0.72/1.11  % SZS status Unsatisfiable
% 0.72/1.11  % SZS output start Refutation
% 0.72/1.11  
% 0.72/1.11  clause( 0, [ ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0' ), f( X )
% 0.72/1.11     ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( Z )
% 0.72/1.11     ) ) ), ~( 'E'( s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) ) )
% 0.72/1.11    , ~( 'E'( s( '0' ), f( Z ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( 
% 0.72/1.11    '0' ), f( U ) ) ), ~( 'E'( s( '0' ), f( suc( U ) ) ) ), ~( iLEQ( suc( X )
% 0.72/1.11    , suc( Y ) ) ), ~( iLEQ( suc( Z ), suc( U ) ) ), ~( iLEQ( suc( T ), suc( 
% 0.72/1.11    Z ) ) ), ~( iLEQ( suc( U ), suc( X ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 1, [ ~( 'LE'( f( z ), '0' ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 2, [ 'E'( s( '0' ), f( X ) ), 'LE'( f( X ), s( '0' ) ), ~( 'LE'( f( 
% 0.72/1.11    X ), s( s( '0' ) ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 3, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 
% 0.72/1.11    'E'( '0', f( suc( Z ) ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0'
% 0.72/1.11    , f( Z ) ) ), ~( 'E'( '0', f( U ) ) ), ~( 'E'( '0', f( suc( T ) ) ) ), 
% 0.72/1.11    ~( 'E'( '0', f( Y ) ) ), ~( 'E'( '0', f( suc( U ) ) ) ), ~( 'E'( '0', f( 
% 0.72/1.11    T ) ) ), ~( iLEQ( suc( T ), suc( X ) ) ), ~( iLEQ( suc( Z ), suc( Y ) ) )
% 0.72/1.11    , ~( iLEQ( suc( X ), suc( U ) ) ), ~( iLEQ( suc( Y ), suc( T ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 4, [ 'LE'( f( X ), s( s( '0' ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 5, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), iLEQ( 
% 0.72/1.11    suc( X ), suc( X ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 6, [ 'E'( '0', f( suc( X ) ) ), 'LE'( f( X ), '0' ), ~( 'LE'( f( 
% 0.72/1.11    suc( X ) ), s( '0' ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 7, [ 'E'( '0', f( X ) ), 'LE'( f( X ), '0' ), ~( 'LE'( f( X ), s( 
% 0.72/1.11    '0' ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 8, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X ) )
% 0.72/1.11     ) ), iLEQ( suc( X ), suc( X ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 9, [ 'E'( s( '0' ), f( suc( X ) ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 13, [ ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0' ), f( X )
% 0.72/1.11     ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( Z )
% 0.72/1.11     ) ) ), ~( 'E'( s( '0' ), f( Z ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 
% 0.72/1.11    iLEQ( suc( Z ), suc( X ) ) ), ~( iLEQ( suc( X ), suc( Y ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 14, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X ) )
% 0.72/1.11     ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 19, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 
% 0.72/1.11    'E'( '0', f( suc( Z ) ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0'
% 0.72/1.11    , f( Z ) ) ), ~( 'E'( '0', f( Y ) ) ), ~( iLEQ( suc( Y ), suc( X ) ) ), 
% 0.72/1.11    ~( iLEQ( suc( Z ), suc( Y ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 20, [ ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0', f( X ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 21, [ 'E'( '0', f( X ) ), 'E'( s( '0' ), f( suc( X ) ) ), 'LE'( f( 
% 0.72/1.11    X ), '0' ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 22, [ 'E'( '0', f( z ) ), 'E'( s( '0' ), f( suc( z ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 24, [ 'E'( '0', f( z ) ), ~( 'E'( s( '0' ), f( z ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 25, [ 'E'( s( '0' ), f( X ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 26, [ 'E'( '0', f( X ) ), 'E'( s( '0' ), f( X ) ), 'LE'( f( X ), 
% 0.72/1.11    '0' ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 27, [ 'E'( '0', f( z ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 28, [ ~( 'E'( '0', f( suc( z ) ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 29, [ 'E'( '0', f( suc( X ) ) ), 'E'( s( '0' ), f( suc( X ) ) ), 
% 0.72/1.11    'LE'( f( X ), '0' ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 30, [ 'E'( '0', f( suc( X ) ) ), 'E'( s( '0' ), f( suc( suc( X ) )
% 0.72/1.11     ) ), 'LE'( f( X ), '0' ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 31, [ 'E'( s( '0' ), f( suc( z ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 32, [ ~( 'E'( s( '0' ), f( suc( suc( z ) ) ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 34, [ 'E'( s( '0' ), f( suc( suc( z ) ) ) ) ] )
% 0.72/1.11  .
% 0.72/1.11  clause( 35, [] )
% 0.72/1.11  .
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  % SZS output end Refutation
% 0.72/1.11  found a proof!
% 0.72/1.11  
% 0.72/1.11  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 0.72/1.11  
% 0.72/1.11  initialclauses(
% 0.72/1.11  [ clause( 37, [ ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0' ), f( X
% 0.72/1.11     ) ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( Z
% 0.72/1.11     ) ) ) ), ~( 'E'( s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) )
% 0.72/1.11     ), ~( iLEQ( suc( T ), suc( Z ) ) ), ~( 'E'( s( '0' ), f( Z ) ) ), ~( 
% 0.72/1.11    iLEQ( suc( U ), suc( X ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( 
% 0.72/1.11    '0' ), f( U ) ) ), ~( iLEQ( suc( X ), suc( Y ) ) ), ~( iLEQ( suc( Z ), 
% 0.72/1.11    suc( U ) ) ), ~( 'E'( s( '0' ), f( suc( U ) ) ) ) ] )
% 0.72/1.11  , clause( 38, [ ~( 'LE'( f( z ), '0' ) ) ] )
% 0.72/1.11  , clause( 39, [ ~( 'LE'( f( X ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( X ) )
% 0.72/1.11    , 'LE'( f( X ), s( '0' ) ) ] )
% 0.72/1.11  , clause( 40, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), 
% 0.72/1.11    ~( 'E'( '0', f( suc( Z ) ) ) ), ~( iLEQ( suc( Z ), suc( Y ) ) ), ~( iLEQ( 
% 0.72/1.11    suc( Y ), suc( T ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0', f( Z
% 0.72/1.11     ) ) ), ~( iLEQ( suc( T ), suc( X ) ) ), ~( 'E'( '0', f( U ) ) ), ~( iLEQ( 
% 0.72/1.11    suc( X ), suc( U ) ) ), ~( 'E'( '0', f( suc( T ) ) ) ), ~( 'E'( '0', f( Y
% 0.72/1.11     ) ) ), ~( 'E'( '0', f( suc( U ) ) ) ), ~( 'E'( '0', f( T ) ) ) ] )
% 3.90/4.29  , clause( 41, [ 'LE'( f( X ), s( s( '0' ) ) ) ] )
% 3.90/4.29  , clause( 42, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), 
% 3.90/4.29    iLEQ( suc( X ), suc( X ) ) ] )
% 3.90/4.29  , clause( 43, [ ~( 'LE'( f( suc( X ) ), s( '0' ) ) ), 'E'( '0', f( suc( X )
% 3.90/4.29     ) ), 'LE'( f( X ), '0' ) ] )
% 3.90/4.29  , clause( 44, [ ~( 'LE'( f( X ), s( '0' ) ) ), 'E'( '0', f( X ) ), 'LE'( f( 
% 3.90/4.29    X ), '0' ) ] )
% 3.90/4.29  , clause( 45, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X )
% 3.90/4.29     ) ) ), iLEQ( suc( X ), suc( X ) ) ] )
% 3.90/4.29  , clause( 46, [ ~( 'LE'( f( suc( X ) ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( 
% 3.90/4.29    suc( X ) ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 3.90/4.29  ] ).
% 3.90/4.29  
% 3.90/4.29  
% 3.90/4.29  
% 3.90/4.29  subsumption(
% 3.90/4.29  clause( 0, [ ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0' ), f( X )
% 3.90/4.29     ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( Z )
% 3.90/4.29     ) ) ), ~( 'E'( s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) ) )
% 3.90/4.29    , ~( 'E'( s( '0' ), f( Z ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( 
% 3.90/4.29    '0' ), f( U ) ) ), ~( 'E'( s( '0' ), f( suc( U ) ) ) ), ~( iLEQ( suc( X )
% 3.90/4.29    , suc( Y ) ) ), ~( iLEQ( suc( Z ), suc( U ) ) ), ~( iLEQ( suc( T ), suc( 
% 3.90/4.29    Z ) ) ), ~( iLEQ( suc( U ), suc( X ) ) ) ] )
% 3.90/4.29  , clause( 37, [ ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0' ), f( X
% 3.90/4.29     ) ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( Z
% 3.90/4.29     ) ) ) ), ~( 'E'( s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) )
% 3.90/4.29     ), ~( iLEQ( suc( T ), suc( Z ) ) ), ~( 'E'( s( '0' ), f( Z ) ) ), ~( 
% 3.90/4.29    iLEQ( suc( U ), suc( X ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( 
% 3.90/4.29    '0' ), f( U ) ) ), ~( iLEQ( suc( X ), suc( Y ) ) ), ~( iLEQ( suc( Z ), 
% 3.90/4.29    suc( U ) ) ), ~( 'E'( s( '0' ), f( suc( U ) ) ) ) ] )
% 3.90/4.29  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 3.90/4.29    , U )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3
% 3.90/4.29    , 3 ), ==>( 4, 4 ), ==>( 5, 5 ), ==>( 6, 12 ), ==>( 7, 6 ), ==>( 8, 13 )
% 3.90/4.29    , ==>( 9, 7 ), ==>( 10, 8 ), ==>( 11, 10 ), ==>( 12, 11 ), ==>( 13, 9 )] )
% 3.90/4.29     ).
% 3.90/4.29  
% 3.90/4.29  
% 3.90/4.29  subsumption(
% 3.90/4.29  clause( 1, [ ~( 'LE'( f( z ), '0' ) ) ] )
% 3.90/4.29  , clause( 38, [ ~( 'LE'( f( z ), '0' ) ) ] )
% 3.90/4.29  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 3.90/4.29  
% 3.90/4.29  
% 3.90/4.29  subsumption(
% 3.90/4.29  clause( 2, [ 'E'( s( '0' ), f( X ) ), 'LE'( f( X ), s( '0' ) ), ~( 'LE'( f( 
% 3.90/4.29    X ), s( s( '0' ) ) ) ) ] )
% 3.90/4.29  , clause( 39, [ ~( 'LE'( f( X ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( X ) )
% 3.90/4.29    , 'LE'( f( X ), s( '0' ) ) ] )
% 3.90/4.29  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 3.90/4.29    0 ), ==>( 2, 1 )] ) ).
% 3.90/4.29  
% 3.90/4.29  
% 3.90/4.29  subsumption(
% 3.90/4.29  clause( 3, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 
% 3.90/4.29    'E'( '0', f( suc( Z ) ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0'
% 3.90/4.29    , f( Z ) ) ), ~( 'E'( '0', f( U ) ) ), ~( 'E'( '0', f( suc( T ) ) ) ), 
% 3.90/4.29    ~( 'E'( '0', f( Y ) ) ), ~( 'E'( '0', f( suc( U ) ) ) ), ~( 'E'( '0', f( 
% 3.90/4.29    T ) ) ), ~( iLEQ( suc( T ), suc( X ) ) ), ~( iLEQ( suc( Z ), suc( Y ) ) )
% 3.90/4.29    , ~( iLEQ( suc( X ), suc( U ) ) ), ~( iLEQ( suc( Y ), suc( T ) ) ) ] )
% 3.90/4.29  , clause( 40, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), 
% 3.90/4.29    ~( 'E'( '0', f( suc( Z ) ) ) ), ~( iLEQ( suc( Z ), suc( Y ) ) ), ~( iLEQ( 
% 3.90/4.29    suc( Y ), suc( T ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0', f( Z
% 3.90/4.29     ) ) ), ~( iLEQ( suc( T ), suc( X ) ) ), ~( 'E'( '0', f( U ) ) ), ~( iLEQ( 
% 3.90/4.29    suc( X ), suc( U ) ) ), ~( 'E'( '0', f( suc( T ) ) ) ), ~( 'E'( '0', f( Y
% 3.90/4.29     ) ) ), ~( 'E'( '0', f( suc( U ) ) ) ), ~( 'E'( '0', f( T ) ) ) ] )
% 3.90/4.29  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z ), :=( T, T ), :=( U
% 3.90/4.29    , U )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3
% 3.90/4.29    , 11 ), ==>( 4, 13 ), ==>( 5, 3 ), ==>( 6, 4 ), ==>( 7, 10 ), ==>( 8, 5 )
% 3.90/4.29    , ==>( 9, 12 ), ==>( 10, 6 ), ==>( 11, 7 ), ==>( 12, 8 ), ==>( 13, 9 )] )
% 3.90/4.29     ).
% 3.90/4.29  
% 3.90/4.29  
% 3.90/4.29  subsumption(
% 3.90/4.29  clause( 4, [ 'LE'( f( X ), s( s( '0' ) ) ) ] )
% 3.90/4.29  , clause( 41, [ 'LE'( f( X ), s( s( '0' ) ) ) ] )
% 3.90/4.29  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 3.90/4.29  
% 3.90/4.29  
% 3.90/4.29  subsumption(
% 3.90/4.29  clause( 5, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), iLEQ( 
% 3.90/4.29    suc( X ), suc( X ) ) ] )
% 3.90/4.29  , clause( 42, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), 
% 3.90/4.29    iLEQ( suc( X ), suc( X ) ) ] )
% 8.39/8.81  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 8.39/8.81    1 ), ==>( 2, 2 )] ) ).
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  subsumption(
% 8.39/8.81  clause( 6, [ 'E'( '0', f( suc( X ) ) ), 'LE'( f( X ), '0' ), ~( 'LE'( f( 
% 8.39/8.81    suc( X ) ), s( '0' ) ) ) ] )
% 8.39/8.81  , clause( 43, [ ~( 'LE'( f( suc( X ) ), s( '0' ) ) ), 'E'( '0', f( suc( X )
% 8.39/8.81     ) ), 'LE'( f( X ), '0' ) ] )
% 8.39/8.81  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 8.39/8.81    0 ), ==>( 2, 1 )] ) ).
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  subsumption(
% 8.39/8.81  clause( 7, [ 'E'( '0', f( X ) ), 'LE'( f( X ), '0' ), ~( 'LE'( f( X ), s( 
% 8.39/8.81    '0' ) ) ) ] )
% 8.39/8.81  , clause( 44, [ ~( 'LE'( f( X ), s( '0' ) ) ), 'E'( '0', f( X ) ), 'LE'( f( 
% 8.39/8.81    X ), '0' ) ] )
% 8.39/8.81  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 2 ), ==>( 1, 
% 8.39/8.81    0 ), ==>( 2, 1 )] ) ).
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  subsumption(
% 8.39/8.81  clause( 8, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X ) )
% 8.39/8.81     ) ), iLEQ( suc( X ), suc( X ) ) ] )
% 8.39/8.81  , clause( 45, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X )
% 8.39/8.81     ) ) ), iLEQ( suc( X ), suc( X ) ) ] )
% 8.39/8.81  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 8.39/8.81    1 ), ==>( 2, 2 )] ) ).
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  resolution(
% 8.39/8.81  clause( 25485, [ 'E'( s( '0' ), f( suc( X ) ) ), 'LE'( f( X ), s( '0' ) ) ]
% 8.39/8.81     )
% 8.39/8.81  , clause( 46, [ ~( 'LE'( f( suc( X ) ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( 
% 8.39/8.81    suc( X ) ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 8.39/8.81  , 0, clause( 4, [ 'LE'( f( X ), s( s( '0' ) ) ) ] )
% 8.39/8.81  , 0, substitution( 0, [ :=( X, X )] ), substitution( 1, [ :=( X, suc( X ) )] )
% 8.39/8.81    ).
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  subsumption(
% 8.39/8.81  clause( 9, [ 'E'( s( '0' ), f( suc( X ) ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 8.39/8.81  , clause( 25485, [ 'E'( s( '0' ), f( suc( X ) ) ), 'LE'( f( X ), s( '0' ) )
% 8.39/8.81     ] )
% 8.39/8.81  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 8.39/8.81    1 )] ) ).
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  ==> clause( 13, [ ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0' ), f( 
% 8.39/8.81    X ) ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( Z
% 8.39/8.81     ) ) ) ), ~( 'E'( s( '0' ), f( Z ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 
% 8.39/8.81    iLEQ( suc( Z ), suc( X ) ) ), ~( iLEQ( suc( X ), suc( Y ) ) ) ] )
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  
% 8.39/8.81  !!! Internal Problem: OH, OH, COULD NOT DERIVE GOAL !!!
% 8.39/8.81  
% 8.39/8.81  Bliksem ended
%------------------------------------------------------------------------------