TSTP Solution File: SWC014-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SWC014-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n028.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 Jul 19 19:32:59 EDT 2022

% Result   : Unsatisfiable 2.40s 2.80s
% Output   : Refutation 2.40s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC014-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.12  % Command  : bliksem %s
% 0.14/0.33  % Computer : n028.cluster.edu
% 0.14/0.33  % Model    : x86_64 x86_64
% 0.14/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33  % Memory   : 8042.1875MB
% 0.14/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33  % CPULimit : 300
% 0.14/0.33  % DateTime : Sun Jun 12 12:41:06 EDT 2022
% 0.14/0.33  % CPUTime  : 
% 0.71/1.10  *** allocated 10000 integers for termspace/termends
% 0.71/1.10  *** allocated 10000 integers for clauses
% 0.71/1.10  *** allocated 10000 integers for justifications
% 0.71/1.10  Bliksem 1.12
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Automatic Strategy Selection
% 0.71/1.10  
% 0.71/1.10  Clauses:
% 0.71/1.10  [
% 0.71/1.10     [ equalelemsP( nil ) ],
% 0.71/1.10     [ duplicatefreeP( nil ) ],
% 0.71/1.10     [ strictorderedP( nil ) ],
% 0.71/1.10     [ totalorderedP( nil ) ],
% 0.71/1.10     [ strictorderP( nil ) ],
% 0.71/1.10     [ totalorderP( nil ) ],
% 0.71/1.10     [ cyclefreeP( nil ) ],
% 0.71/1.10     [ ssList( nil ) ],
% 0.71/1.10     [ ssItem( skac3 ) ],
% 0.71/1.10     [ ssItem( skac2 ) ],
% 0.71/1.10     [ ~( singletonP( nil ) ) ],
% 0.71/1.10     [ ssItem( skaf83( X ) ) ],
% 0.71/1.10     [ ssList( skaf82( X ) ) ],
% 0.71/1.10     [ ssList( skaf81( X ) ) ],
% 0.71/1.10     [ ssList( skaf80( X ) ) ],
% 0.71/1.10     [ ssItem( skaf79( X ) ) ],
% 0.71/1.10     [ ssItem( skaf78( X ) ) ],
% 0.71/1.10     [ ssList( skaf77( X ) ) ],
% 0.71/1.10     [ ssList( skaf76( X ) ) ],
% 0.71/1.10     [ ssList( skaf75( X ) ) ],
% 0.71/1.10     [ ssItem( skaf74( X ) ) ],
% 0.71/1.10     [ ssList( skaf73( X ) ) ],
% 0.71/1.10     [ ssList( skaf72( X ) ) ],
% 0.71/1.10     [ ssList( skaf71( X ) ) ],
% 0.71/1.10     [ ssItem( skaf70( X ) ) ],
% 0.71/1.10     [ ssItem( skaf69( X ) ) ],
% 0.71/1.10     [ ssList( skaf68( X ) ) ],
% 0.71/1.10     [ ssList( skaf67( X ) ) ],
% 0.71/1.10     [ ssList( skaf66( X ) ) ],
% 0.71/1.10     [ ssItem( skaf65( X ) ) ],
% 0.71/1.10     [ ssItem( skaf64( X ) ) ],
% 0.71/1.10     [ ssList( skaf63( X ) ) ],
% 0.71/1.10     [ ssList( skaf62( X ) ) ],
% 0.71/1.10     [ ssList( skaf61( X ) ) ],
% 0.71/1.10     [ ssItem( skaf60( X ) ) ],
% 0.71/1.10     [ ssItem( skaf59( X ) ) ],
% 0.71/1.10     [ ssList( skaf58( X ) ) ],
% 0.71/1.10     [ ssList( skaf57( X ) ) ],
% 0.71/1.10     [ ssList( skaf56( X ) ) ],
% 0.71/1.10     [ ssItem( skaf55( X ) ) ],
% 0.71/1.10     [ ssItem( skaf54( X ) ) ],
% 0.71/1.10     [ ssList( skaf53( X ) ) ],
% 0.71/1.10     [ ssList( skaf52( X ) ) ],
% 0.71/1.10     [ ssList( skaf51( X ) ) ],
% 0.71/1.10     [ ssItem( skaf50( X ) ) ],
% 0.71/1.10     [ ssItem( skaf49( X ) ) ],
% 0.71/1.10     [ ssItem( skaf44( X ) ) ],
% 0.71/1.10     [ ssList( skaf48( X, Y ) ) ],
% 0.71/1.10     [ ssList( skaf47( X, Y ) ) ],
% 0.71/1.10     [ ssList( skaf46( X, Y ) ) ],
% 0.71/1.10     [ ssList( skaf45( X, Y ) ) ],
% 0.71/1.10     [ ssList( skaf43( X, Y ) ) ],
% 0.71/1.10     [ ssList( skaf42( X, Y ) ) ],
% 0.71/1.10     [ ~( =( skac3, skac2 ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), geq( X, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), segmentP( X, nil ) ],
% 0.71/1.10     [ ~( ssList( X ) ), segmentP( X, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), rearsegP( X, nil ) ],
% 0.71/1.10     [ ~( ssList( X ) ), rearsegP( X, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), frontsegP( X, nil ) ],
% 0.71/1.10     [ ~( ssList( X ) ), frontsegP( X, X ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), leq( X, X ) ],
% 0.71/1.10     [ ~( lt( X, X ) ), ~( ssItem( X ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), equalelemsP( cons( X, nil ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), duplicatefreeP( cons( X, nil ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), strictorderedP( cons( X, nil ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), totalorderedP( cons( X, nil ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), strictorderP( cons( X, nil ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), totalorderP( cons( X, nil ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), cyclefreeP( cons( X, nil ) ) ],
% 0.71/1.10     [ ~( memberP( nil, X ) ), ~( ssItem( X ) ) ],
% 0.71/1.10     [ ~( ssList( X ) ), duplicatefreeP( X ), ssItem( Y ) ],
% 0.71/1.10     [ ~( ssList( X ) ), =( app( X, nil ), X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), =( app( nil, X ), X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ],
% 0.71/1.10     [ ~( =( nil, X ) ), ~( ssList( X ) ), segmentP( nil, X ) ],
% 0.71/1.10     [ ~( segmentP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ],
% 0.71/1.10     [ ~( =( nil, X ) ), ~( ssList( X ) ), rearsegP( nil, X ) ],
% 0.71/1.10     [ ~( rearsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ],
% 0.71/1.10     [ ~( =( nil, X ) ), ~( ssList( X ) ), frontsegP( nil, X ) ],
% 0.71/1.10     [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ~( ssList( Y ) ), ssList( app( Y, X ) ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), ~( ssList( Y ) ), ssList( cons( X, Y ) ) ],
% 0.71/1.10     [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf50( X ), skaf49( X ) ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf49( X ), skaf50( X ) ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( skaf79( X ), skaf78( X ) ) ), ~( ssList( X ) ), equalelemsP( X )
% 0.71/1.10     ],
% 0.71/1.10     [ ~( lt( skaf69( X ), skaf70( X ) ) ), ~( ssList( X ) ), strictorderedP( 
% 0.71/1.10    X ) ],
% 0.71/1.10     [ ~( leq( skaf64( X ), skaf65( X ) ) ), ~( ssList( X ) ), totalorderedP( 
% 0.71/1.10    X ) ],
% 0.71/1.10     [ ~( lt( skaf60( X ), skaf59( X ) ) ), ~( ssList( X ) ), strictorderP( X
% 0.71/1.10     ) ],
% 0.71/1.10     [ ~( lt( skaf59( X ), skaf60( X ) ) ), ~( ssList( X ) ), strictorderP( X
% 0.71/1.10     ) ],
% 0.71/1.10     [ ~( leq( skaf55( X ), skaf54( X ) ) ), ~( ssList( X ) ), totalorderP( X
% 0.71/1.10     ) ],
% 0.71/1.10     [ ~( leq( skaf54( X ), skaf55( X ) ) ), ~( ssList( X ) ), totalorderP( X
% 0.71/1.10     ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( tl( cons( X, Y ) ), Y ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y ) ), X ) ],
% 0.71/1.10     [ ~( =( cons( X, Y ), nil ) ), ~( ssItem( X ) ), ~( ssList( Y ) ) ],
% 0.71/1.10     [ ~( =( cons( X, Y ), Y ) ), ~( ssItem( X ) ), ~( ssList( Y ) ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X ) ],
% 0.71/1.10     [ ~( singletonP( X ) ), ~( ssList( X ) ), =( cons( skaf44( X ), nil ), X
% 0.71/1.10     ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), ~( ssItem( Y ) ), neq( Y, X ), =( Y, X ) ],
% 0.71/1.10     [ ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( X, Y ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( nil, X ) ],
% 0.71/1.10     [ ~( gt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( Y, X ) ],
% 0.71/1.10     [ ~( lt( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), gt( Y, X ) ],
% 0.71/1.10     [ ~( geq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( Y, X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( leq( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), geq( Y, X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), =( cons( skaf83( X ), skaf82( X ) ), X ), =( nil, X
% 0.71/1.10     ) ],
% 0.71/1.10     [ ~( gt( X, Y ) ), ~( gt( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( X, Y ) ), ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), strictorderedP( 
% 0.71/1.10    cons( Y, X ) ) ],
% 0.71/1.10     [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), totalorderedP( 
% 0.71/1.10    cons( Y, X ) ) ],
% 0.71/1.10     [ ~( lt( X, Y ) ), ~( lt( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( cons( X, nil ), Y ) ), ~( ssItem( X ) ), ~( ssList( Y ) ), 
% 0.71/1.10    singletonP( Y ) ],
% 0.71/1.10     [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( nil
% 0.71/1.10    , X ) ],
% 0.71/1.10     [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( nil
% 0.71/1.10    , Y ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( app( cons( X, nil ), Y ), cons( 
% 0.71/1.10    X, Y ) ) ],
% 0.71/1.10     [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Y ), =( X
% 0.71/1.10    , Y ) ],
% 0.71/1.10     [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Y ), =( X
% 0.71/1.10    , Y ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( hd( app( Y, X ) )
% 0.71/1.10    , hd( Y ) ) ],
% 0.71/1.10     [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X )
% 0.71/1.10     ), strictorderedP( Y ), =( nil, Y ) ],
% 0.71/1.10     [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X ) )
% 0.71/1.10    , totalorderedP( Y ), =( nil, Y ) ],
% 0.71/1.10     [ ~( geq( X, Y ) ), ~( geq( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) )
% 0.71/1.10    , =( Y, X ) ],
% 0.71/1.10     [ ~( segmentP( X, Y ) ), ~( segmentP( Y, X ) ), ~( ssList( X ) ), ~( 
% 0.71/1.10    ssList( Y ) ), =( Y, X ) ],
% 0.71/1.10     [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, X ) ), ~( ssList( X ) ), ~( 
% 0.71/1.10    ssList( Y ) ), =( Y, X ) ],
% 0.71/1.10     [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, X ) ), ~( ssList( X ) ), ~( 
% 0.71/1.10    ssList( Y ) ), =( Y, X ) ],
% 0.71/1.10     [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) )
% 0.71/1.10    , =( Y, X ) ],
% 0.71/1.10     [ ~( rearsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( app( 
% 0.71/1.10    skaf46( X, Y ), Y ), X ) ],
% 0.71/1.10     [ ~( frontsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( app( Y
% 0.71/1.10    , skaf45( X, Y ) ), X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( tl( app( Y, X ) )
% 0.71/1.10    , app( tl( Y ), X ) ) ],
% 0.71/1.10     [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X )
% 0.71/1.10     ), lt( X, hd( Y ) ), =( nil, Y ) ],
% 0.71/1.10     [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X ) )
% 0.71/1.10    , leq( X, hd( Y ) ), =( nil, Y ) ],
% 0.71/1.10     [ ~( rearsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y ) ), ~( ssList( 
% 0.71/1.10    X ) ), rearsegP( app( Z, X ), Y ) ],
% 0.71/1.10     [ ~( frontsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y ) ), ~( ssList( 
% 0.71/1.10    X ) ), frontsegP( app( X, Z ), Y ) ],
% 0.71/1.10     [ ~( =( X, Y ) ), ~( ssList( Z ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), 
% 0.71/1.10    memberP( cons( Y, Z ), X ) ],
% 0.71/1.10     [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssItem( Z ) ), ~( ssItem( Y
% 0.71/1.10     ) ), memberP( cons( Z, X ), Y ) ],
% 0.71/1.10     [ ~( memberP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( Y
% 0.71/1.10     ) ), memberP( app( X, Z ), Y ) ],
% 0.71/1.10     [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssList( Z ) ), ~( ssItem( Y
% 0.71/1.10     ) ), memberP( app( Z, X ), Y ) ],
% 0.71/1.10     [ ~( ssList( X ) ), equalelemsP( X ), =( app( skaf80( X ), cons( skaf78( 
% 0.71/1.10    X ), cons( skaf79( X ), skaf81( X ) ) ) ), X ) ],
% 0.71/1.10     [ ~( =( app( X, Y ), Z ) ), ~( ssList( X ) ), ~( ssList( Y ) ), ~( 
% 0.71/1.10    ssList( Z ) ), rearsegP( Z, Y ) ],
% 0.71/1.10     [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), ~( 
% 0.71/1.10    ssList( Z ) ), frontsegP( Z, X ) ],
% 0.71/1.10     [ ~( =( nil, X ) ), ~( =( nil, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) )
% 0.71/1.10    , =( app( X, Y ), nil ) ],
% 0.71/1.10     [ ~( gt( X, Y ) ), ~( gt( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), 
% 0.71/1.10    ~( ssItem( X ) ), gt( X, Z ) ],
% 0.71/1.10     [ ~( leq( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) )
% 0.71/1.10    , ~( ssItem( X ) ), lt( X, Z ) ],
% 0.71/1.10     [ ~( geq( X, Y ) ), ~( geq( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) )
% 0.71/1.10    , ~( ssItem( X ) ), geq( X, Z ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), =( app( app( Z, 
% 0.71/1.10    Y ), X ), app( Z, app( Y, X ) ) ) ],
% 0.71/1.10     [ ~( =( app( X, Y ), app( X, Z ) ) ), ~( ssList( Y ) ), ~( ssList( X ) )
% 0.71/1.10    , ~( ssList( Z ) ), =( Y, Z ) ],
% 0.71/1.10     [ ~( =( app( X, Y ), app( Z, Y ) ) ), ~( ssList( X ) ), ~( ssList( Y ) )
% 0.71/1.10    , ~( ssList( Z ) ), =( X, Z ) ],
% 0.71/1.10     [ ~( segmentP( X, Y ) ), ~( segmentP( Y, Z ) ), ~( ssList( Z ) ), ~( 
% 0.71/1.10    ssList( Y ) ), ~( ssList( X ) ), segmentP( X, Z ) ],
% 0.71/1.10     [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, Z ) ), ~( ssList( Z ) ), ~( 
% 0.71/1.10    ssList( Y ) ), ~( ssList( X ) ), rearsegP( X, Z ) ],
% 0.71/1.10     [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, Z ) ), ~( ssList( Z ) ), ~( 
% 0.71/1.10    ssList( Y ) ), ~( ssList( X ) ), frontsegP( X, Z ) ],
% 0.71/1.10     [ ~( lt( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), 
% 0.71/1.10    ~( ssItem( X ) ), lt( X, Z ) ],
% 0.71/1.10     [ ~( leq( X, Y ) ), ~( leq( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) )
% 0.71/1.10    , ~( ssItem( X ) ), leq( X, Z ) ],
% 0.71/1.10     [ ~( ssItem( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), =( cons( X, app( 
% 0.71/1.10    Y, Z ) ), app( cons( X, Y ), Z ) ) ],
% 0.71/1.10     [ ~( memberP( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), 
% 0.71/1.10    ~( ssItem( Z ) ), memberP( Y, Z ), memberP( X, Z ) ],
% 0.71/1.10     [ ~( leq( X, hd( Y ) ) ), ~( totalorderedP( Y ) ), ~( ssList( Y ) ), ~( 
% 0.71/1.10    ssItem( X ) ), totalorderedP( cons( X, Y ) ), =( nil, Y ) ],
% 0.71/1.10     [ ~( lt( X, hd( Y ) ) ), ~( strictorderedP( Y ) ), ~( ssList( Y ) ), ~( 
% 0.71/1.10    ssItem( X ) ), strictorderedP( cons( X, Y ) ), =( nil, Y ) ],
% 0.71/1.10     [ ~( memberP( cons( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssItem( X ) ), 
% 0.71/1.10    ~( ssItem( Z ) ), memberP( Y, Z ), =( Z, X ) ],
% 0.71/1.10     [ ~( ssList( X ) ), duplicatefreeP( X ), =( app( app( skaf75( X ), cons( 
% 0.71/1.10    skaf74( X ), skaf76( X ) ) ), cons( skaf74( X ), skaf77( X ) ) ), X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), strictorderedP( X ), =( app( app( skaf71( X ), cons( 
% 0.71/1.10    skaf69( X ), skaf72( X ) ) ), cons( skaf70( X ), skaf73( X ) ) ), X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), totalorderedP( X ), =( app( app( skaf66( X ), cons( 
% 0.71/1.10    skaf64( X ), skaf67( X ) ) ), cons( skaf65( X ), skaf68( X ) ) ), X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), strictorderP( X ), =( app( app( skaf61( X ), cons( 
% 0.71/1.10    skaf59( X ), skaf62( X ) ) ), cons( skaf60( X ), skaf63( X ) ) ), X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), totalorderP( X ), =( app( app( skaf56( X ), cons( 
% 0.71/1.10    skaf54( X ), skaf57( X ) ) ), cons( skaf55( X ), skaf58( X ) ) ), X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( ssList( X ) ), cyclefreeP( X ), =( app( app( skaf51( X ), cons( 
% 0.71/1.10    skaf49( X ), skaf52( X ) ) ), cons( skaf50( X ), skaf53( X ) ) ), X ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( segmentP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( app( app( 
% 0.71/1.10    skaf47( X, Y ), Y ), skaf48( Y, X ) ), X ) ],
% 0.71/1.10     [ ~( memberP( X, Y ) ), ~( ssItem( Y ) ), ~( ssList( X ) ), =( app( 
% 0.71/1.10    skaf42( X, Y ), cons( Y, skaf43( Y, X ) ) ), X ) ],
% 0.71/1.10     [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), ~( ssItem( X )
% 0.71/1.10     ), ~( ssList( T ) ), ~( ssList( Y ) ), =( X, Z ) ],
% 0.71/1.10     [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), ~( ssItem( X )
% 0.71/1.10     ), ~( ssList( T ) ), ~( ssList( Y ) ), =( T, Y ) ],
% 0.71/1.10     [ ~( segmentP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( T ) ), ~( ssList( 
% 0.71/1.10    Y ) ), ~( ssList( X ) ), segmentP( app( app( T, X ), Z ), Y ) ],
% 0.71/1.10     [ ~( =( app( app( X, Y ), Z ), T ) ), ~( ssList( Z ) ), ~( ssList( X ) )
% 0.71/1.10    , ~( ssList( Y ) ), ~( ssList( T ) ), segmentP( T, Y ) ],
% 0.71/1.10     [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( T ) ), ~( 
% 0.71/1.10    ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), frontsegP( Y, T ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( app( X, cons( Y, Z ) ), T ) ), ~( ssList( Z ) ), ~( ssList( X )
% 0.71/1.10     ), ~( ssItem( Y ) ), ~( ssList( T ) ), memberP( T, Y ) ],
% 0.71/1.10     [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( T ) ), ~( 
% 0.71/1.10    ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), =( X, Z ) ],
% 0.71/1.10     [ ~( =( tl( X ), tl( Y ) ) ), ~( =( hd( X ), hd( Y ) ) ), ~( ssList( X )
% 0.71/1.10     ), ~( ssList( Y ) ), =( nil, Y ), =( X, Y ), =( nil, X ) ],
% 0.71/1.10     [ ~( frontsegP( X, Y ) ), ~( =( Z, T ) ), ~( ssList( Y ) ), ~( ssList( X
% 0.71/1.10     ) ), ~( ssItem( T ) ), ~( ssItem( Z ) ), frontsegP( cons( Z, X ), cons( 
% 0.71/1.10    T, Y ) ) ],
% 0.71/1.10     [ ~( =( app( app( X, cons( Y, Z ) ), cons( Y, T ) ), U ) ), ~( ssList( T
% 0.71/1.10     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), ~( 
% 0.71/1.10    duplicatefreeP( U ) ), ~( ssList( U ) ) ],
% 0.71/1.10     [ ~( =( app( X, cons( Y, cons( Z, T ) ) ), U ) ), ~( ssList( T ) ), ~( 
% 0.71/1.10    ssList( X ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), ~( equalelemsP( U ) )
% 0.71/1.10    , ~( ssList( U ) ), =( Y, Z ) ],
% 0.71/1.10     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.71/1.10     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.71/1.10     ) ), ~( strictorderedP( W ) ), ~( ssList( W ) ), lt( Y, T ) ],
% 0.71/1.10     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.71/1.10     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.71/1.10     ) ), ~( totalorderedP( W ) ), ~( ssList( W ) ), leq( Y, T ) ],
% 0.71/1.10     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.71/1.10     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.71/1.10     ) ), ~( strictorderP( W ) ), ~( ssList( W ) ), lt( Y, T ), lt( T, Y ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.71/1.10     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.71/1.10     ) ), ~( totalorderP( W ) ), ~( ssList( W ) ), leq( Y, T ), leq( T, Y ) ]
% 0.71/1.10    ,
% 0.71/1.10     [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( =( app( app( Z, cons( X, T ) )
% 0.71/1.10    , cons( Y, U ) ), W ) ), ~( ssList( U ) ), ~( ssList( T ) ), ~( ssList( Z
% 0.71/1.10     ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), ~( cyclefreeP( W ) ), ~( ssList( 
% 0.71/1.10    W ) ) ],
% 0.71/1.10     [ ssList( sk1 ) ],
% 0.71/1.10     [ ssList( sk2 ) ],
% 0.71/1.10     [ ssList( sk3 ) ],
% 0.71/1.10     [ ssList( sk4 ) ],
% 0.71/1.10     [ =( sk2, sk4 ) ],
% 0.71/1.10     [ =( sk1, sk3 ) ],
% 0.71/1.10     [ neq( sk2, nil ), neq( sk2, nil ) ],
% 0.71/1.10     [ neq( sk2, nil ), ~( neq( sk4, nil ) ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), ~( =( tl( sk2 )
% 0.71/1.10    , Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) ), neq( sk2, nil
% 0.71/1.10     ) ],
% 0.71/1.10     [ ssItem( sk5 ), neq( sk2, nil ) ],
% 0.71/1.10     [ ssList( sk6 ), neq( sk2, nil ) ],
% 0.71/1.10     [ =( cons( sk5, nil ), sk3 ), neq( sk2, nil ) ],
% 0.71/1.10     [ =( app( cons( sk5, nil ), sk6 ), sk4 ), neq( sk2, nil ) ],
% 0.71/1.10     [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), ~( =( tl( sk2 )
% 0.71/1.10    , Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) ), ~( neq( sk4, 
% 0.71/1.10    nil ) ) ],
% 0.71/1.10     [ ssItem( sk5 ), ~( neq( sk4, nil ) ) ],
% 0.71/1.10     [ ssList( sk6 ), ~( neq( sk4, nil ) ) ],
% 0.71/1.10     [ =( cons( sk5, nil ), sk3 ), ~( neq( sk4, nil ) ) ],
% 0.71/1.10     [ =( app( cons( sk5, nil ), sk6 ), sk4 ), ~( neq( sk4, nil ) ) ]
% 0.71/1.10  ] .
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  percentage equality = 0.164516, percentage horn = 0.831633
% 0.71/1.10  This is a problem with some equality
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Options Used:
% 0.71/1.10  
% 0.71/1.10  useres =            1
% 0.71/1.10  useparamod =        1
% 0.71/1.10  useeqrefl =         1
% 0.71/1.10  useeqfact =         1
% 0.71/1.10  usefactor =         1
% 0.71/1.10  usesimpsplitting =  0
% 0.71/1.10  usesimpdemod =      5
% 0.71/1.10  usesimpres =        3
% 0.71/1.10  
% 0.71/1.10  resimpinuse      =  1000
% 0.71/1.10  resimpclauses =     20000
% 0.71/1.10  substype =          eqrewr
% 0.71/1.10  backwardsubs =      1
% 0.71/1.10  selectoldest =      5
% 0.71/1.10  
% 0.71/1.10  litorderings [0] =  split
% 0.71/1.10  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.71/1.10  
% 0.71/1.10  termordering =      kbo
% 0.71/1.10  
% 0.71/1.10  litapriori =        0
% 0.71/1.10  termapriori =       1
% 0.71/1.10  litaposteriori =    0
% 0.71/1.10  termaposteriori =   0
% 0.71/1.10  demodaposteriori =  0
% 2.40/2.80  ordereqreflfact =   0
% 2.40/2.80  
% 2.40/2.80  litselect =         negord
% 2.40/2.80  
% 2.40/2.80  maxweight =         15
% 2.40/2.80  maxdepth =          30000
% 2.40/2.80  maxlength =         115
% 2.40/2.80  maxnrvars =         195
% 2.40/2.80  excuselevel =       1
% 2.40/2.80  increasemaxweight = 1
% 2.40/2.80  
% 2.40/2.80  maxselected =       10000000
% 2.40/2.80  maxnrclauses =      10000000
% 2.40/2.80  
% 2.40/2.80  showgenerated =    0
% 2.40/2.80  showkept =         0
% 2.40/2.80  showselected =     0
% 2.40/2.80  showdeleted =      0
% 2.40/2.80  showresimp =       1
% 2.40/2.80  showstatus =       2000
% 2.40/2.80  
% 2.40/2.80  prologoutput =     1
% 2.40/2.80  nrgoals =          5000000
% 2.40/2.80  totalproof =       1
% 2.40/2.80  
% 2.40/2.80  Symbols occurring in the translation:
% 2.40/2.80  
% 2.40/2.80  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 2.40/2.80  .  [1, 2]      (w:1, o:79, a:1, s:1, b:0), 
% 2.40/2.80  !  [4, 1]      (w:0, o:26, a:1, s:1, b:0), 
% 2.40/2.80  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.40/2.80  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.40/2.80  nil  [39, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 2.40/2.80  equalelemsP  [40, 1]      (w:1, o:33, a:1, s:1, b:0), 
% 2.40/2.80  duplicatefreeP  [41, 1]      (w:1, o:32, a:1, s:1, b:0), 
% 2.40/2.80  strictorderedP  [42, 1]      (w:1, o:36, a:1, s:1, b:0), 
% 2.40/2.80  totalorderedP  [43, 1]      (w:1, o:75, a:1, s:1, b:0), 
% 2.40/2.80  strictorderP  [44, 1]      (w:1, o:37, a:1, s:1, b:0), 
% 2.40/2.80  totalorderP  [45, 1]      (w:1, o:76, a:1, s:1, b:0), 
% 2.40/2.80  cyclefreeP  [46, 1]      (w:1, o:31, a:1, s:1, b:0), 
% 2.40/2.80  ssList  [47, 1]      (w:1, o:34, a:1, s:1, b:0), 
% 2.40/2.80  skac3  [48, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 2.40/2.80  ssItem  [49, 1]      (w:1, o:35, a:1, s:1, b:0), 
% 2.40/2.80  skac2  [50, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 2.40/2.80  singletonP  [51, 1]      (w:1, o:38, a:1, s:1, b:0), 
% 2.40/2.80  skaf83  [53, 1]      (w:1, o:74, a:1, s:1, b:0), 
% 2.40/2.80  skaf82  [54, 1]      (w:1, o:73, a:1, s:1, b:0), 
% 2.40/2.80  skaf81  [55, 1]      (w:1, o:72, a:1, s:1, b:0), 
% 2.40/2.80  skaf80  [56, 1]      (w:1, o:71, a:1, s:1, b:0), 
% 2.40/2.80  skaf79  [57, 1]      (w:1, o:70, a:1, s:1, b:0), 
% 2.40/2.80  skaf78  [58, 1]      (w:1, o:69, a:1, s:1, b:0), 
% 2.40/2.80  skaf77  [59, 1]      (w:1, o:68, a:1, s:1, b:0), 
% 2.40/2.80  skaf76  [60, 1]      (w:1, o:67, a:1, s:1, b:0), 
% 2.40/2.80  skaf75  [61, 1]      (w:1, o:66, a:1, s:1, b:0), 
% 2.40/2.80  skaf74  [62, 1]      (w:1, o:65, a:1, s:1, b:0), 
% 2.40/2.80  skaf73  [63, 1]      (w:1, o:64, a:1, s:1, b:0), 
% 2.40/2.80  skaf72  [64, 1]      (w:1, o:63, a:1, s:1, b:0), 
% 2.40/2.80  skaf71  [65, 1]      (w:1, o:62, a:1, s:1, b:0), 
% 2.40/2.80  skaf70  [66, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 2.40/2.80  skaf69  [67, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 2.40/2.80  skaf68  [68, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 2.40/2.80  skaf67  [69, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 2.40/2.80  skaf66  [70, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 2.40/2.80  skaf65  [71, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 2.40/2.80  skaf64  [72, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 2.40/2.80  skaf63  [73, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 2.40/2.80  skaf62  [74, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 2.40/2.80  skaf61  [75, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 2.40/2.80  skaf60  [76, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 2.40/2.80  skaf59  [77, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 2.40/2.80  skaf58  [78, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 2.40/2.80  skaf57  [79, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 2.40/2.80  skaf56  [80, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 2.40/2.80  skaf55  [81, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 2.40/2.80  skaf54  [82, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 2.40/2.80  skaf53  [83, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 2.40/2.80  skaf52  [84, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 2.40/2.80  skaf51  [85, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 2.40/2.80  skaf50  [86, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 2.40/2.80  skaf49  [87, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 2.40/2.80  skaf44  [88, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 2.40/2.80  skaf48  [90, 2]      (w:1, o:108, a:1, s:1, b:0), 
% 2.40/2.80  skaf47  [91, 2]      (w:1, o:107, a:1, s:1, b:0), 
% 2.40/2.80  skaf46  [92, 2]      (w:1, o:106, a:1, s:1, b:0), 
% 2.40/2.80  skaf45  [93, 2]      (w:1, o:105, a:1, s:1, b:0), 
% 2.40/2.80  skaf43  [94, 2]      (w:1, o:110, a:1, s:1, b:0), 
% 2.40/2.80  skaf42  [95, 2]      (w:1, o:109, a:1, s:1, b:0), 
% 2.40/2.80  geq  [96, 2]      (w:1, o:112, a:1, s:1, b:0), 
% 2.40/2.80  segmentP  [97, 2]      (w:1, o:113, a:1, s:1, b:0), 
% 2.40/2.80  rearsegP  [98, 2]      (w:1, o:104, a:1, s:1, b:0), 
% 2.40/2.80  frontsegP  [99, 2]      (w:1, o:111, a:1, s:1, b:0), 
% 2.40/2.80  leq  [100, 2]      (w:1, o:114, a:1, s:1, b:0), 
% 2.40/2.80  lt  [101, 2]      (w:1, o:115, a:1, s:1, b:0), 
% 2.40/2.80  cons  [102, 2]      (w:1, o:116, a:1, s:1, b:0), 
% 2.40/2.80  memberP  [103, 2]      (w:1, o:117, a:1, s:1, b:0), 
% 2.40/2.80  app  [104, 2]      (w:1, o:118, a:1, s:1, b:0), 
% 2.40/2.80  tl  [105, 1]      (w:1, o:77, a:1, s:1, b:0), 
% 2.40/2.80  hd  [106, 1]      (w:1, o:78, a:1, s:1, b:0), 
% 2.40/2.80  neq  [107, 2]      (w:1, o:119, a:1, s:1, b:0), 
% 2.40/2.80  gt  [108, 2]      (w:1, o:120, a:1, s:1, b:0), 
% 2.40/2.80  sk1  [113, 0]      (w:1, o:7, a:1, s:1, b:0), 
% 2.40/2.80  sk2  [114, 0]      (w:1, o:8, a:1, s:1, b:0), 
% 2.40/2.80  sk3  [115, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 2.40/2.80  sk4  [116, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 2.40/2.80  sk5  [119, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 2.40/2.80  sk6  [120, 0]      (w:1, o:12, a:1, s:1, b:0).
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Starting Search:
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    4113
% 2.40/2.80  Kept:         2054
% 2.40/2.80  Inuse:        209
% 2.40/2.80  Deleted:      2
% 2.40/2.80  Deletedinuse: 0
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    9104
% 2.40/2.80  Kept:         4708
% 2.40/2.80  Inuse:        294
% 2.40/2.80  Deleted:      2
% 2.40/2.80  Deletedinuse: 0
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    15268
% 2.40/2.80  Kept:         7283
% 2.40/2.80  Inuse:        373
% 2.40/2.80  Deleted:      3
% 2.40/2.80  Deletedinuse: 0
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    25735
% 2.40/2.80  Kept:         9641
% 2.40/2.80  Inuse:        408
% 2.40/2.80  Deleted:      3
% 2.40/2.80  Deletedinuse: 0
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    41009
% 2.40/2.80  Kept:         11752
% 2.40/2.80  Inuse:        458
% 2.40/2.80  Deleted:      5
% 2.40/2.80  Deletedinuse: 2
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    47923
% 2.40/2.80  Kept:         13850
% 2.40/2.80  Inuse:        510
% 2.40/2.80  Deleted:      5
% 2.40/2.80  Deletedinuse: 2
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    58975
% 2.40/2.80  Kept:         15960
% 2.40/2.80  Inuse:        538
% 2.40/2.80  Deleted:      6
% 2.40/2.80  Deletedinuse: 3
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    66662
% 2.40/2.80  Kept:         17966
% 2.40/2.80  Inuse:        572
% 2.40/2.80  Deleted:      10
% 2.40/2.80  Deletedinuse: 3
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  Intermediate Status:
% 2.40/2.80  Generated:    75963
% 2.40/2.80  Kept:         20096
% 2.40/2.80  Inuse:        594
% 2.40/2.80  Deleted:      12
% 2.40/2.80  Deletedinuse: 5
% 2.40/2.80  
% 2.40/2.80  Resimplifying clauses:
% 2.40/2.80  Done
% 2.40/2.80  
% 2.40/2.80  Resimplifying inuse:
% 2.40/2.80  
% 2.40/2.80  Bliksems!, er is een bewijs:
% 2.40/2.80  % SZS status Unsatisfiable
% 2.40/2.80  % SZS output start Refutation
% 2.40/2.80  
% 2.40/2.80  clause( 7, [ ssList( nil ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 10, [ ~( singletonP( nil ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 72, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 74, [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 80, [ ~( =( nil, X ) ), ~( ssList( X ) ), frontsegP( nil, X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 81, [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 94, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y ) ), X
% 2.40/2.80     ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 97, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X ) ]
% 2.40/2.80     )
% 2.40/2.80  .
% 2.40/2.80  clause( 101, [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( nil, 
% 2.40/2.80    X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 112, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.40/2.80    ssList( X ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 113, [ ~( =( cons( X, nil ), Y ) ), ~( ssItem( X ) ), ~( ssList( Y
% 2.40/2.80     ) ), singletonP( Y ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 115, [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.40/2.80     ), =( nil, X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 117, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( app( cons( X, nil ), 
% 2.40/2.80    Y ), cons( X, Y ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 119, [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( hd( app( 
% 2.40/2.80    Y, X ) ), hd( Y ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 182, [ ssList( sk1 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 183, [ ssList( sk2 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 186, [ =( sk4, sk2 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 187, [ =( sk3, sk1 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 188, [ neq( sk2, nil ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 189, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), ~( =( 
% 2.40/2.80    tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 190, [ ssItem( sk5 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 191, [ ssList( sk6 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 192, [ =( cons( sk5, nil ), sk1 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 193, [ =( app( sk1, sk6 ), sk2 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 318, [ ~( ssList( X ) ), ~( =( tl( sk2 ), X ) ), ~( =( app( sk1, X
% 2.40/2.80     ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 319, [ ~( ssList( tl( sk2 ) ) ), ~( =( app( sk1, tl( sk2 ) ), sk2 )
% 2.40/2.80     ), ~( neq( nil, sk2 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 840, [ =( app( nil, nil ), nil ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 1767, [ ~( frontsegP( nil, sk1 ) ), =( nil, sk1 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 2910, [ ~( ssList( X ) ), =( hd( cons( sk5, X ) ), sk5 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6143, [ ~( =( nil, sk2 ) ), ~( ssList( sk2 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6161, [ ~( =( nil, sk2 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6163, [ ~( =( X, sk2 ) ), ~( ssList( X ) ), =( cons( hd( X ), tl( X
% 2.40/2.80     ) ), X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6166, [ ~( =( X, sk2 ) ), ~( ssList( X ) ), neq( nil, X ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6172, [ ~( =( X, sk2 ) ), ~( ssList( X ) ), ssList( tl( X ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6173, [ ssList( tl( sk2 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6178, [ neq( nil, sk2 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6179, [ =( cons( hd( sk2 ), tl( sk2 ) ), sk2 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6262, [ ~( ssList( X ) ), singletonP( X ), ~( =( sk1, X ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6293, [ singletonP( sk1 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 6632, [ ~( =( app( sk1, X ), nil ) ), ~( ssList( X ) ), ~( ssList( 
% 2.40/2.80    sk1 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 7262, [ ~( =( app( sk1, sk1 ), nil ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 7810, [ ~( ssList( X ) ), =( app( sk1, X ), cons( sk5, X ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 8645, [ ~( ssList( X ) ), ~( ssList( sk1 ) ), =( hd( sk1 ), sk5 ) ]
% 2.40/2.80     )
% 2.40/2.80  .
% 2.40/2.80  clause( 9056, [ =( hd( sk1 ), sk5 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 13350, [ ~( frontsegP( nil, sk1 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 13363, [ ~( =( nil, sk1 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 16296, [ ~( ssList( sk1 ) ), =( nil, sk1 ), =( hd( sk2 ), sk5 ) ]
% 2.40/2.80     )
% 2.40/2.80  .
% 2.40/2.80  clause( 20150, [ =( hd( sk2 ), sk5 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 20249, [ =( cons( sk5, tl( sk2 ) ), sk2 ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 20295, [ ~( neq( nil, sk2 ) ) ] )
% 2.40/2.80  .
% 2.40/2.80  clause( 20301, [] )
% 2.40/2.80  .
% 2.40/2.80  
% 2.40/2.80  
% 2.40/2.80  % SZS output end Refutation
% 2.40/2.80  found a proof!
% 2.40/2.80  
% 2.40/2.80  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.40/2.80  
% 2.40/2.80  initialclauses(
% 2.40/2.80  [ clause( 20303, [ equalelemsP( nil ) ] )
% 2.40/2.80  , clause( 20304, [ duplicatefreeP( nil ) ] )
% 2.40/2.80  , clause( 20305, [ strictorderedP( nil ) ] )
% 2.40/2.80  , clause( 20306, [ totalorderedP( nil ) ] )
% 2.40/2.80  , clause( 20307, [ strictorderP( nil ) ] )
% 2.40/2.80  , clause( 20308, [ totalorderP( nil ) ] )
% 2.40/2.80  , clause( 20309, [ cyclefreeP( nil ) ] )
% 2.40/2.80  , clause( 20310, [ ssList( nil ) ] )
% 2.40/2.80  , clause( 20311, [ ssItem( skac3 ) ] )
% 2.40/2.80  , clause( 20312, [ ssItem( skac2 ) ] )
% 2.40/2.80  , clause( 20313, [ ~( singletonP( nil ) ) ] )
% 2.40/2.80  , clause( 20314, [ ssItem( skaf83( X ) ) ] )
% 2.40/2.80  , clause( 20315, [ ssList( skaf82( X ) ) ] )
% 2.40/2.80  , clause( 20316, [ ssList( skaf81( X ) ) ] )
% 2.40/2.80  , clause( 20317, [ ssList( skaf80( X ) ) ] )
% 2.40/2.80  , clause( 20318, [ ssItem( skaf79( X ) ) ] )
% 2.40/2.80  , clause( 20319, [ ssItem( skaf78( X ) ) ] )
% 2.40/2.80  , clause( 20320, [ ssList( skaf77( X ) ) ] )
% 2.40/2.80  , clause( 20321, [ ssList( skaf76( X ) ) ] )
% 2.40/2.80  , clause( 20322, [ ssList( skaf75( X ) ) ] )
% 2.40/2.80  , clause( 20323, [ ssItem( skaf74( X ) ) ] )
% 2.40/2.80  , clause( 20324, [ ssList( skaf73( X ) ) ] )
% 2.40/2.80  , clause( 20325, [ ssList( skaf72( X ) ) ] )
% 2.40/2.80  , clause( 20326, [ ssList( skaf71( X ) ) ] )
% 2.40/2.80  , clause( 20327, [ ssItem( skaf70( X ) ) ] )
% 2.40/2.80  , clause( 20328, [ ssItem( skaf69( X ) ) ] )
% 2.40/2.80  , clause( 20329, [ ssList( skaf68( X ) ) ] )
% 2.40/2.80  , clause( 20330, [ ssList( skaf67( X ) ) ] )
% 2.40/2.80  , clause( 20331, [ ssList( skaf66( X ) ) ] )
% 2.40/2.80  , clause( 20332, [ ssItem( skaf65( X ) ) ] )
% 2.40/2.80  , clause( 20333, [ ssItem( skaf64( X ) ) ] )
% 2.40/2.80  , clause( 20334, [ ssList( skaf63( X ) ) ] )
% 2.40/2.80  , clause( 20335, [ ssList( skaf62( X ) ) ] )
% 2.40/2.80  , clause( 20336, [ ssList( skaf61( X ) ) ] )
% 2.40/2.80  , clause( 20337, [ ssItem( skaf60( X ) ) ] )
% 2.40/2.80  , clause( 20338, [ ssItem( skaf59( X ) ) ] )
% 2.40/2.80  , clause( 20339, [ ssList( skaf58( X ) ) ] )
% 2.40/2.80  , clause( 20340, [ ssList( skaf57( X ) ) ] )
% 2.40/2.80  , clause( 20341, [ ssList( skaf56( X ) ) ] )
% 2.40/2.80  , clause( 20342, [ ssItem( skaf55( X ) ) ] )
% 2.40/2.80  , clause( 20343, [ ssItem( skaf54( X ) ) ] )
% 2.40/2.80  , clause( 20344, [ ssList( skaf53( X ) ) ] )
% 2.40/2.80  , clause( 20345, [ ssList( skaf52( X ) ) ] )
% 2.40/2.80  , clause( 20346, [ ssList( skaf51( X ) ) ] )
% 2.40/2.80  , clause( 20347, [ ssItem( skaf50( X ) ) ] )
% 2.40/2.80  , clause( 20348, [ ssItem( skaf49( X ) ) ] )
% 2.40/2.80  , clause( 20349, [ ssItem( skaf44( X ) ) ] )
% 2.40/2.80  , clause( 20350, [ ssList( skaf48( X, Y ) ) ] )
% 2.40/2.80  , clause( 20351, [ ssList( skaf47( X, Y ) ) ] )
% 2.40/2.80  , clause( 20352, [ ssList( skaf46( X, Y ) ) ] )
% 2.40/2.80  , clause( 20353, [ ssList( skaf45( X, Y ) ) ] )
% 2.40/2.80  , clause( 20354, [ ssList( skaf43( X, Y ) ) ] )
% 2.40/2.80  , clause( 20355, [ ssList( skaf42( X, Y ) ) ] )
% 2.40/2.80  , clause( 20356, [ ~( =( skac3, skac2 ) ) ] )
% 2.40/2.80  , clause( 20357, [ ~( ssItem( X ) ), geq( X, X ) ] )
% 2.40/2.80  , clause( 20358, [ ~( ssList( X ) ), segmentP( X, nil ) ] )
% 2.40/2.80  , clause( 20359, [ ~( ssList( X ) ), segmentP( X, X ) ] )
% 2.40/2.80  , clause( 20360, [ ~( ssList( X ) ), rearsegP( X, nil ) ] )
% 2.40/2.80  , clause( 20361, [ ~( ssList( X ) ), rearsegP( X, X ) ] )
% 2.40/2.80  , clause( 20362, [ ~( ssList( X ) ), frontsegP( X, nil ) ] )
% 2.40/2.80  , clause( 20363, [ ~( ssList( X ) ), frontsegP( X, X ) ] )
% 2.40/2.80  , clause( 20364, [ ~( ssItem( X ) ), leq( X, X ) ] )
% 2.40/2.80  , clause( 20365, [ ~( lt( X, X ) ), ~( ssItem( X ) ) ] )
% 2.40/2.80  , clause( 20366, [ ~( ssItem( X ) ), equalelemsP( cons( X, nil ) ) ] )
% 2.40/2.80  , clause( 20367, [ ~( ssItem( X ) ), duplicatefreeP( cons( X, nil ) ) ] )
% 2.40/2.80  , clause( 20368, [ ~( ssItem( X ) ), strictorderedP( cons( X, nil ) ) ] )
% 2.40/2.80  , clause( 20369, [ ~( ssItem( X ) ), totalorderedP( cons( X, nil ) ) ] )
% 2.40/2.80  , clause( 20370, [ ~( ssItem( X ) ), strictorderP( cons( X, nil ) ) ] )
% 2.40/2.80  , clause( 20371, [ ~( ssItem( X ) ), totalorderP( cons( X, nil ) ) ] )
% 2.40/2.80  , clause( 20372, [ ~( ssItem( X ) ), cyclefreeP( cons( X, nil ) ) ] )
% 2.40/2.80  , clause( 20373, [ ~( memberP( nil, X ) ), ~( ssItem( X ) ) ] )
% 2.40/2.80  , clause( 20374, [ ~( ssList( X ) ), duplicatefreeP( X ), ssItem( Y ) ] )
% 2.40/2.80  , clause( 20375, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.40/2.80  , clause( 20376, [ ~( ssList( X ) ), =( app( nil, X ), X ) ] )
% 2.40/2.80  , clause( 20377, [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ] )
% 2.40/2.80  , clause( 20378, [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ] )
% 2.40/2.80  , clause( 20379, [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ] )
% 2.40/2.80  , clause( 20380, [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ] )
% 2.40/2.80  , clause( 20381, [ ~( =( nil, X ) ), ~( ssList( X ) ), segmentP( nil, X ) ]
% 2.40/2.80     )
% 2.40/2.80  , clause( 20382, [ ~( segmentP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ]
% 2.40/2.80     )
% 2.40/2.80  , clause( 20383, [ ~( =( nil, X ) ), ~( ssList( X ) ), rearsegP( nil, X ) ]
% 2.40/2.80     )
% 2.40/2.80  , clause( 20384, [ ~( rearsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ]
% 2.40/2.80     )
% 2.40/2.80  , clause( 20385, [ ~( =( nil, X ) ), ~( ssList( X ) ), frontsegP( nil, X )
% 2.40/2.80     ] )
% 2.40/2.80  , clause( 20386, [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X )
% 2.40/2.80     ] )
% 2.40/2.80  , clause( 20387, [ ~( ssList( X ) ), ~( ssList( Y ) ), ssList( app( Y, X )
% 2.40/2.80     ) ] )
% 2.40/2.80  , clause( 20388, [ ~( ssItem( X ) ), ~( ssList( Y ) ), ssList( cons( X, Y )
% 2.40/2.80     ) ] )
% 2.40/2.80  , clause( 20389, [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf50( X ), 
% 2.40/2.80    skaf49( X ) ) ] )
% 2.40/2.80  , clause( 20390, [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf49( X ), 
% 2.40/2.80    skaf50( X ) ) ] )
% 2.40/2.80  , clause( 20391, [ ~( =( skaf79( X ), skaf78( X ) ) ), ~( ssList( X ) ), 
% 2.40/2.80    equalelemsP( X ) ] )
% 2.40/2.80  , clause( 20392, [ ~( lt( skaf69( X ), skaf70( X ) ) ), ~( ssList( X ) ), 
% 2.40/2.80    strictorderedP( X ) ] )
% 2.40/2.80  , clause( 20393, [ ~( leq( skaf64( X ), skaf65( X ) ) ), ~( ssList( X ) ), 
% 2.40/2.80    totalorderedP( X ) ] )
% 2.40/2.80  , clause( 20394, [ ~( lt( skaf60( X ), skaf59( X ) ) ), ~( ssList( X ) ), 
% 2.40/2.80    strictorderP( X ) ] )
% 2.40/2.80  , clause( 20395, [ ~( lt( skaf59( X ), skaf60( X ) ) ), ~( ssList( X ) ), 
% 2.40/2.80    strictorderP( X ) ] )
% 2.40/2.80  , clause( 20396, [ ~( leq( skaf55( X ), skaf54( X ) ) ), ~( ssList( X ) ), 
% 2.40/2.80    totalorderP( X ) ] )
% 2.40/2.80  , clause( 20397, [ ~( leq( skaf54( X ), skaf55( X ) ) ), ~( ssList( X ) ), 
% 2.40/2.80    totalorderP( X ) ] )
% 2.40/2.80  , clause( 20398, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( tl( cons( X, Y )
% 2.40/2.80     ), Y ) ] )
% 2.40/2.80  , clause( 20399, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y )
% 2.40/2.80     ), X ) ] )
% 2.40/2.80  , clause( 20400, [ ~( =( cons( X, Y ), nil ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.40/2.80    Y ) ) ] )
% 2.40/2.80  , clause( 20401, [ ~( =( cons( X, Y ), Y ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.40/2.80    Y ) ) ] )
% 2.40/2.80  , clause( 20402, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X
% 2.40/2.80     ) ] )
% 2.40/2.80  , clause( 20403, [ ~( singletonP( X ) ), ~( ssList( X ) ), =( cons( skaf44( 
% 2.40/2.80    X ), nil ), X ) ] )
% 2.40/2.80  , clause( 20404, [ ~( ssItem( X ) ), ~( ssItem( Y ) ), neq( Y, X ), =( Y, X
% 2.40/2.80     ) ] )
% 2.40/2.80  , clause( 20405, [ ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( 
% 2.40/2.80    X, Y ) ] )
% 2.40/2.80  , clause( 20406, [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( 
% 2.40/2.80    nil, X ) ] )
% 2.40/2.80  , clause( 20407, [ ~( gt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( 
% 2.40/2.80    Y, X ) ] )
% 2.40/2.80  , clause( 20408, [ ~( lt( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), gt( 
% 2.40/2.80    Y, X ) ] )
% 2.40/2.80  , clause( 20409, [ ~( geq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), 
% 2.40/2.80    leq( Y, X ) ] )
% 2.40/2.80  , clause( 20410, [ ~( leq( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), 
% 2.40/2.80    geq( Y, X ) ] )
% 2.40/2.80  , clause( 20411, [ ~( ssList( X ) ), =( cons( skaf83( X ), skaf82( X ) ), X
% 2.40/2.80     ), =( nil, X ) ] )
% 2.40/2.80  , clause( 20412, [ ~( gt( X, Y ) ), ~( gt( Y, X ) ), ~( ssItem( X ) ), ~( 
% 2.40/2.80    ssItem( Y ) ) ] )
% 2.40/2.80  , clause( 20413, [ ~( =( X, Y ) ), ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( 
% 2.40/2.80    ssItem( X ) ) ] )
% 2.40/2.80  , clause( 20414, [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), 
% 2.40/2.80    strictorderedP( cons( Y, X ) ) ] )
% 2.40/2.80  , clause( 20415, [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), 
% 2.40/2.80    totalorderedP( cons( Y, X ) ) ] )
% 2.40/2.80  , clause( 20416, [ ~( lt( X, Y ) ), ~( lt( Y, X ) ), ~( ssItem( X ) ), ~( 
% 2.40/2.80    ssItem( Y ) ) ] )
% 2.40/2.80  , clause( 20417, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.40/2.80    ssList( X ) ) ] )
% 2.40/2.80  , clause( 20418, [ ~( =( cons( X, nil ), Y ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.40/2.80    Y ) ), singletonP( Y ) ] )
% 2.40/2.80  , clause( 20419, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssItem( Y ) ), ~( 
% 2.40/2.80    ssItem( X ) ) ] )
% 2.40/2.80  , clause( 20420, [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( 
% 2.40/2.80    X ) ), =( nil, X ) ] )
% 2.40/2.80  , clause( 20421, [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( 
% 2.40/2.80    X ) ), =( nil, Y ) ] )
% 2.40/2.80  , clause( 20422, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( app( cons( X, nil
% 2.40/2.80     ), Y ), cons( X, Y ) ) ] )
% 2.40/2.80  , clause( 20423, [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( 
% 2.40/2.80    X, Y ), =( X, Y ) ] )
% 2.40/2.80  , clause( 20424, [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( 
% 2.40/2.80    X, Y ), =( X, Y ) ] )
% 2.40/2.80  , clause( 20425, [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( hd( 
% 2.40/2.80    app( Y, X ) ), hd( Y ) ) ] )
% 2.40/2.80  , clause( 20426, [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.40/2.80    ~( ssItem( X ) ), strictorderedP( Y ), =( nil, Y ) ] )
% 2.40/2.80  , clause( 20427, [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.40/2.80    ~( ssItem( X ) ), totalorderedP( Y ), =( nil, Y ) ] )
% 2.40/2.80  , clause( 20428, [ ~( geq( X, Y ) ), ~( geq( Y, X ) ), ~( ssItem( X ) ), 
% 2.40/2.80    ~( ssItem( Y ) ), =( Y, X ) ] )
% 2.40/2.80  , clause( 20429, [ ~( segmentP( X, Y ) ), ~( segmentP( Y, X ) ), ~( ssList( 
% 2.40/2.80    X ) ), ~( ssList( Y ) ), =( Y, X ) ] )
% 2.40/2.80  , clause( 20430, [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, X ) ), ~( ssList( 
% 2.40/2.80    X ) ), ~( ssList( Y ) ), =( Y, X ) ] )
% 2.40/2.80  , clause( 20431, [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, X ) ), ~( 
% 2.40/2.80    ssList( X ) ), ~( ssList( Y ) ), =( Y, X ) ] )
% 2.40/2.80  , clause( 20432, [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( ssItem( X ) ), 
% 2.40/2.80    ~( ssItem( Y ) ), =( Y, X ) ] )
% 2.40/2.80  , clause( 20433, [ ~( rearsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.40/2.80     ), =( app( skaf46( X, Y ), Y ), X ) ] )
% 2.40/2.80  , clause( 20434, [ ~( frontsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.40/2.80     ), =( app( Y, skaf45( X, Y ) ), X ) ] )
% 2.40/2.80  , clause( 20435, [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( tl( 
% 2.40/2.80    app( Y, X ) ), app( tl( Y ), X ) ) ] )
% 2.40/2.80  , clause( 20436, [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.40/2.80    ~( ssItem( X ) ), lt( X, hd( Y ) ), =( nil, Y ) ] )
% 2.40/2.80  , clause( 20437, [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.40/2.80    ~( ssItem( X ) ), leq( X, hd( Y ) ), =( nil, Y ) ] )
% 2.40/2.80  , clause( 20438, [ ~( rearsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y )
% 2.40/2.80     ), ~( ssList( X ) ), rearsegP( app( Z, X ), Y ) ] )
% 2.40/2.80  , clause( 20439, [ ~( frontsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y )
% 2.40/2.80     ), ~( ssList( X ) ), frontsegP( app( X, Z ), Y ) ] )
% 2.40/2.80  , clause( 20440, [ ~( =( X, Y ) ), ~( ssList( Z ) ), ~( ssItem( Y ) ), ~( 
% 2.40/2.81    ssItem( X ) ), memberP( cons( Y, Z ), X ) ] )
% 2.40/2.81  , clause( 20441, [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssItem( Z ) )
% 2.40/2.81    , ~( ssItem( Y ) ), memberP( cons( Z, X ), Y ) ] )
% 2.40/2.81  , clause( 20442, [ ~( memberP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( X ) )
% 2.40/2.81    , ~( ssItem( Y ) ), memberP( app( X, Z ), Y ) ] )
% 2.40/2.81  , clause( 20443, [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssList( Z ) )
% 2.40/2.81    , ~( ssItem( Y ) ), memberP( app( Z, X ), Y ) ] )
% 2.40/2.81  , clause( 20444, [ ~( ssList( X ) ), equalelemsP( X ), =( app( skaf80( X )
% 2.40/2.81    , cons( skaf78( X ), cons( skaf79( X ), skaf81( X ) ) ) ), X ) ] )
% 2.40/2.81  , clause( 20445, [ ~( =( app( X, Y ), Z ) ), ~( ssList( X ) ), ~( ssList( Y
% 2.40/2.81     ) ), ~( ssList( Z ) ), rearsegP( Z, Y ) ] )
% 2.40/2.81  , clause( 20446, [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X
% 2.40/2.81     ) ), ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.40/2.81  , clause( 20447, [ ~( =( nil, X ) ), ~( =( nil, Y ) ), ~( ssList( Y ) ), 
% 2.40/2.81    ~( ssList( X ) ), =( app( X, Y ), nil ) ] )
% 2.40/2.81  , clause( 20448, [ ~( gt( X, Y ) ), ~( gt( Y, Z ) ), ~( ssItem( Z ) ), ~( 
% 2.40/2.81    ssItem( Y ) ), ~( ssItem( X ) ), gt( X, Z ) ] )
% 2.40/2.81  , clause( 20449, [ ~( leq( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( 
% 2.40/2.81    ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Z ) ] )
% 2.40/2.81  , clause( 20450, [ ~( geq( X, Y ) ), ~( geq( Y, Z ) ), ~( ssItem( Z ) ), 
% 2.40/2.81    ~( ssItem( Y ) ), ~( ssItem( X ) ), geq( X, Z ) ] )
% 2.40/2.81  , clause( 20451, [ ~( ssList( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), 
% 2.40/2.81    =( app( app( Z, Y ), X ), app( Z, app( Y, X ) ) ) ] )
% 2.40/2.81  , clause( 20452, [ ~( =( app( X, Y ), app( X, Z ) ) ), ~( ssList( Y ) ), 
% 2.40/2.81    ~( ssList( X ) ), ~( ssList( Z ) ), =( Y, Z ) ] )
% 2.40/2.81  , clause( 20453, [ ~( =( app( X, Y ), app( Z, Y ) ) ), ~( ssList( X ) ), 
% 2.40/2.81    ~( ssList( Y ) ), ~( ssList( Z ) ), =( X, Z ) ] )
% 2.40/2.81  , clause( 20454, [ ~( segmentP( X, Y ) ), ~( segmentP( Y, Z ) ), ~( ssList( 
% 2.40/2.81    Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), segmentP( X, Z ) ] )
% 2.40/2.81  , clause( 20455, [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, Z ) ), ~( ssList( 
% 2.40/2.81    Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), rearsegP( X, Z ) ] )
% 2.40/2.81  , clause( 20456, [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, Z ) ), ~( 
% 2.40/2.81    ssList( Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), frontsegP( X, Z ) ] )
% 2.40/2.81  , clause( 20457, [ ~( lt( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( 
% 2.40/2.81    ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Z ) ] )
% 2.40/2.81  , clause( 20458, [ ~( leq( X, Y ) ), ~( leq( Y, Z ) ), ~( ssItem( Z ) ), 
% 2.40/2.81    ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( X, Z ) ] )
% 2.40/2.81  , clause( 20459, [ ~( ssItem( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), 
% 2.40/2.81    =( cons( X, app( Y, Z ) ), app( cons( X, Y ), Z ) ) ] )
% 2.40/2.81  , clause( 20460, [ ~( memberP( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( 
% 2.40/2.81    ssList( X ) ), ~( ssItem( Z ) ), memberP( Y, Z ), memberP( X, Z ) ] )
% 2.40/2.81  , clause( 20461, [ ~( leq( X, hd( Y ) ) ), ~( totalorderedP( Y ) ), ~( 
% 2.40/2.81    ssList( Y ) ), ~( ssItem( X ) ), totalorderedP( cons( X, Y ) ), =( nil, Y
% 2.40/2.81     ) ] )
% 2.40/2.81  , clause( 20462, [ ~( lt( X, hd( Y ) ) ), ~( strictorderedP( Y ) ), ~( 
% 2.40/2.81    ssList( Y ) ), ~( ssItem( X ) ), strictorderedP( cons( X, Y ) ), =( nil, 
% 2.40/2.81    Y ) ] )
% 2.40/2.81  , clause( 20463, [ ~( memberP( cons( X, Y ), Z ) ), ~( ssList( Y ) ), ~( 
% 2.40/2.81    ssItem( X ) ), ~( ssItem( Z ) ), memberP( Y, Z ), =( Z, X ) ] )
% 2.40/2.81  , clause( 20464, [ ~( ssList( X ) ), duplicatefreeP( X ), =( app( app( 
% 2.40/2.81    skaf75( X ), cons( skaf74( X ), skaf76( X ) ) ), cons( skaf74( X ), 
% 2.40/2.81    skaf77( X ) ) ), X ) ] )
% 2.40/2.81  , clause( 20465, [ ~( ssList( X ) ), strictorderedP( X ), =( app( app( 
% 2.40/2.81    skaf71( X ), cons( skaf69( X ), skaf72( X ) ) ), cons( skaf70( X ), 
% 2.40/2.81    skaf73( X ) ) ), X ) ] )
% 2.40/2.81  , clause( 20466, [ ~( ssList( X ) ), totalorderedP( X ), =( app( app( 
% 2.40/2.81    skaf66( X ), cons( skaf64( X ), skaf67( X ) ) ), cons( skaf65( X ), 
% 2.40/2.81    skaf68( X ) ) ), X ) ] )
% 2.40/2.81  , clause( 20467, [ ~( ssList( X ) ), strictorderP( X ), =( app( app( skaf61( 
% 2.40/2.81    X ), cons( skaf59( X ), skaf62( X ) ) ), cons( skaf60( X ), skaf63( X ) )
% 2.40/2.81     ), X ) ] )
% 2.40/2.81  , clause( 20468, [ ~( ssList( X ) ), totalorderP( X ), =( app( app( skaf56( 
% 2.40/2.81    X ), cons( skaf54( X ), skaf57( X ) ) ), cons( skaf55( X ), skaf58( X ) )
% 2.40/2.81     ), X ) ] )
% 2.40/2.81  , clause( 20469, [ ~( ssList( X ) ), cyclefreeP( X ), =( app( app( skaf51( 
% 2.40/2.81    X ), cons( skaf49( X ), skaf52( X ) ) ), cons( skaf50( X ), skaf53( X ) )
% 2.40/2.81     ), X ) ] )
% 2.40/2.81  , clause( 20470, [ ~( segmentP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.40/2.81     ), =( app( app( skaf47( X, Y ), Y ), skaf48( Y, X ) ), X ) ] )
% 2.40/2.81  , clause( 20471, [ ~( memberP( X, Y ) ), ~( ssItem( Y ) ), ~( ssList( X ) )
% 2.40/2.81    , =( app( skaf42( X, Y ), cons( Y, skaf43( Y, X ) ) ), X ) ] )
% 2.40/2.81  , clause( 20472, [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), 
% 2.40/2.81    ~( ssItem( X ) ), ~( ssList( T ) ), ~( ssList( Y ) ), =( X, Z ) ] )
% 2.40/2.81  , clause( 20473, [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), 
% 2.40/2.81    ~( ssItem( X ) ), ~( ssList( T ) ), ~( ssList( Y ) ), =( T, Y ) ] )
% 2.40/2.81  , clause( 20474, [ ~( segmentP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( T )
% 2.40/2.81     ), ~( ssList( Y ) ), ~( ssList( X ) ), segmentP( app( app( T, X ), Z ), 
% 2.40/2.81    Y ) ] )
% 2.40/2.81  , clause( 20475, [ ~( =( app( app( X, Y ), Z ), T ) ), ~( ssList( Z ) ), 
% 2.40/2.81    ~( ssList( X ) ), ~( ssList( Y ) ), ~( ssList( T ) ), segmentP( T, Y ) ]
% 2.40/2.81     )
% 2.40/2.81  , clause( 20476, [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( 
% 2.40/2.81    T ) ), ~( ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), frontsegP( Y
% 2.40/2.81    , T ) ] )
% 2.40/2.81  , clause( 20477, [ ~( =( app( X, cons( Y, Z ) ), T ) ), ~( ssList( Z ) ), 
% 2.40/2.81    ~( ssList( X ) ), ~( ssItem( Y ) ), ~( ssList( T ) ), memberP( T, Y ) ]
% 2.40/2.81     )
% 2.40/2.81  , clause( 20478, [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( 
% 2.40/2.81    T ) ), ~( ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), =( X, Z ) ]
% 2.40/2.81     )
% 2.40/2.81  , clause( 20479, [ ~( =( tl( X ), tl( Y ) ) ), ~( =( hd( X ), hd( Y ) ) ), 
% 2.40/2.81    ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( X, Y ), =( nil, X ) ]
% 2.40/2.81     )
% 2.40/2.81  , clause( 20480, [ ~( frontsegP( X, Y ) ), ~( =( Z, T ) ), ~( ssList( Y ) )
% 2.40/2.81    , ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Z ) ), frontsegP( cons( 
% 2.40/2.81    Z, X ), cons( T, Y ) ) ] )
% 2.40/2.81  , clause( 20481, [ ~( =( app( app( X, cons( Y, Z ) ), cons( Y, T ) ), U ) )
% 2.40/2.81    , ~( ssList( T ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( Y ) )
% 2.40/2.81    , ~( duplicatefreeP( U ) ), ~( ssList( U ) ) ] )
% 2.40/2.81  , clause( 20482, [ ~( =( app( X, cons( Y, cons( Z, T ) ) ), U ) ), ~( 
% 2.40/2.81    ssList( T ) ), ~( ssList( X ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), ~( 
% 2.40/2.81    equalelemsP( U ) ), ~( ssList( U ) ), =( Y, Z ) ] )
% 2.40/2.81  , clause( 20483, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.40/2.81    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.40/2.81    , ~( ssItem( Y ) ), ~( strictorderedP( W ) ), ~( ssList( W ) ), lt( Y, T
% 2.40/2.81     ) ] )
% 2.40/2.81  , clause( 20484, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.40/2.81    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.40/2.81    , ~( ssItem( Y ) ), ~( totalorderedP( W ) ), ~( ssList( W ) ), leq( Y, T
% 2.40/2.81     ) ] )
% 2.40/2.81  , clause( 20485, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.40/2.81    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.40/2.81    , ~( ssItem( Y ) ), ~( strictorderP( W ) ), ~( ssList( W ) ), lt( Y, T )
% 2.40/2.81    , lt( T, Y ) ] )
% 2.40/2.81  , clause( 20486, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.40/2.81    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.40/2.81    , ~( ssItem( Y ) ), ~( totalorderP( W ) ), ~( ssList( W ) ), leq( Y, T )
% 2.40/2.81    , leq( T, Y ) ] )
% 2.40/2.81  , clause( 20487, [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( =( app( app( Z, 
% 2.40/2.81    cons( X, T ) ), cons( Y, U ) ), W ) ), ~( ssList( U ) ), ~( ssList( T ) )
% 2.40/2.81    , ~( ssList( Z ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), ~( cyclefreeP( W
% 2.40/2.81     ) ), ~( ssList( W ) ) ] )
% 2.40/2.81  , clause( 20488, [ ssList( sk1 ) ] )
% 2.40/2.81  , clause( 20489, [ ssList( sk2 ) ] )
% 2.40/2.81  , clause( 20490, [ ssList( sk3 ) ] )
% 2.40/2.81  , clause( 20491, [ ssList( sk4 ) ] )
% 2.40/2.81  , clause( 20492, [ =( sk2, sk4 ) ] )
% 2.40/2.81  , clause( 20493, [ =( sk1, sk3 ) ] )
% 2.40/2.81  , clause( 20494, [ neq( sk2, nil ), neq( sk2, nil ) ] )
% 2.40/2.81  , clause( 20495, [ neq( sk2, nil ), ~( neq( sk4, nil ) ) ] )
% 2.40/2.81  , clause( 20496, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), 
% 2.40/2.81    ~( =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) )
% 2.40/2.81    , neq( sk2, nil ) ] )
% 2.40/2.81  , clause( 20497, [ ssItem( sk5 ), neq( sk2, nil ) ] )
% 2.40/2.81  , clause( 20498, [ ssList( sk6 ), neq( sk2, nil ) ] )
% 2.40/2.81  , clause( 20499, [ =( cons( sk5, nil ), sk3 ), neq( sk2, nil ) ] )
% 2.40/2.81  , clause( 20500, [ =( app( cons( sk5, nil ), sk6 ), sk4 ), neq( sk2, nil )
% 2.40/2.81     ] )
% 2.40/2.81  , clause( 20501, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), 
% 2.40/2.81    ~( =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) )
% 2.40/2.81    , ~( neq( sk4, nil ) ) ] )
% 2.40/2.81  , clause( 20502, [ ssItem( sk5 ), ~( neq( sk4, nil ) ) ] )
% 2.40/2.81  , clause( 20503, [ ssList( sk6 ), ~( neq( sk4, nil ) ) ] )
% 2.40/2.81  , clause( 20504, [ =( cons( sk5, nil ), sk3 ), ~( neq( sk4, nil ) ) ] )
% 2.40/2.81  , clause( 20505, [ =( app( cons( sk5, nil ), sk6 ), sk4 ), ~( neq( sk4, nil
% 2.40/2.81     ) ) ] )
% 2.40/2.81  ] ).
% 2.40/2.81  
% 2.40/2.81  
% 2.40/2.81  
% 2.40/2.81  subsumption(
% 2.40/2.81  clause( 7, [ ssList( nil ) ] )
% 2.40/2.81  , clause( 20310, [ ssList( nil ) ] )
% 2.40/2.81  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.40/2.81  
% 2.40/2.81  
% 2.40/2.81  subsumption(
% 2.40/2.81  clause( 10, [ ~( singletonP( nil ) ) ] )
% 2.40/2.81  , clause( 20313, [ ~( singletonP( nil ) ) ] )
% 2.40/2.81  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.40/2.81  
% 2.40/2.81  
% 2.40/2.81  subsumption(
% 2.40/2.81  clause( 72, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.40/2.81  , clause( 20375, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.40/2.81  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.40/2.82    1 )] ) ).
% 2.40/2.82  
% 2.40/2.82  
% 2.40/2.82  subsumption(
% 2.40/2.82  clause( 74, [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ] )
% 2.40/2.82  , clause( 20377, [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ] )
% 2.40/2.82  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.40/2.82    1 ), ==>( 2, 2 )] ) ).
% 2.40/2.82  
% 2.40/2.82  
% 2.40/2.82  subsumption(
% 2.40/2.82  clause( 80, [ ~( =( nil, X ) ), ~( ssList( X ) ), frontsegP( nil, X ) ] )
% 2.40/2.82  , clause( 20385, [ ~( =( nil, X ) ), ~( ssList( X ) ), frontsegP( nil, X )
% 2.40/2.82     ] )
% 2.40/2.82  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.40/2.82    1 ), ==>( 2, 2 )] ) ).
% 2.40/2.82  
% 2.40/2.82  
% 2.40/2.82  subsumption(
% 2.40/2.82  clause( 81, [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ] )
% 2.40/2.82  , clause( 20386, [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X )
% 2.40/2.82     ] )
% 2.40/2.82  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.40/2.82    1 ), ==>( 2, 2 )] ) ).
% 2.40/2.82  
% 2.40/2.82  
% 2.40/2.82  subsumption(
% 2.40/2.82  clause( 94, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y ) ), X
% 2.40/2.82     ) ] )
% 2.40/2.82  , clause( 20399, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y )
% 2.40/2.82     ), X ) ] )
% 2.40/2.82  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.40/2.83     ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 97, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X ) ]
% 2.40/2.83     )
% 2.40/2.83  , clause( 20402, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X
% 2.40/2.83     ) ] )
% 2.40/2.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.40/2.83     ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 101, [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( nil, 
% 2.40/2.83    X ) ] )
% 2.40/2.83  , clause( 20406, [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( 
% 2.40/2.83    nil, X ) ] )
% 2.40/2.83  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.40/2.83    1 ), ==>( 2, 2 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 112, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.40/2.83    ssList( X ) ) ] )
% 2.40/2.83  , clause( 20417, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.40/2.83    ssList( X ) ) ] )
% 2.40/2.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.40/2.83     ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 113, [ ~( =( cons( X, nil ), Y ) ), ~( ssItem( X ) ), ~( ssList( Y
% 2.40/2.83     ) ), singletonP( Y ) ] )
% 2.40/2.83  , clause( 20418, [ ~( =( cons( X, nil ), Y ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.40/2.83    Y ) ), singletonP( Y ) ] )
% 2.40/2.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.40/2.83     ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 115, [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.40/2.83     ), =( nil, X ) ] )
% 2.40/2.83  , clause( 20420, [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( 
% 2.40/2.83    X ) ), =( nil, X ) ] )
% 2.40/2.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.40/2.83     ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 117, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( app( cons( X, nil ), 
% 2.40/2.83    Y ), cons( X, Y ) ) ] )
% 2.40/2.83  , clause( 20422, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( app( cons( X, nil
% 2.40/2.83     ), Y ), cons( X, Y ) ) ] )
% 2.40/2.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.40/2.83     ), ==>( 1, 1 ), ==>( 2, 2 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 119, [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( hd( app( 
% 2.40/2.83    Y, X ) ), hd( Y ) ) ] )
% 2.40/2.83  , clause( 20425, [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( hd( 
% 2.40/2.83    app( Y, X ) ), hd( Y ) ) ] )
% 2.40/2.83  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.40/2.83     ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 182, [ ssList( sk1 ) ] )
% 2.40/2.83  , clause( 20488, [ ssList( sk1 ) ] )
% 2.40/2.83  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 183, [ ssList( sk2 ) ] )
% 2.40/2.83  , clause( 20489, [ ssList( sk2 ) ] )
% 2.40/2.83  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  eqswap(
% 2.40/2.83  clause( 23157, [ =( sk4, sk2 ) ] )
% 2.40/2.83  , clause( 20492, [ =( sk2, sk4 ) ] )
% 2.40/2.83  , 0, substitution( 0, [] )).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  subsumption(
% 2.40/2.83  clause( 186, [ =( sk4, sk2 ) ] )
% 2.40/2.83  , clause( 23157, [ =( sk4, sk2 ) ] )
% 2.40/2.83  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.40/2.83  
% 2.40/2.83  
% 2.40/2.83  eqswap(
% 2.40/2.83  clause( 23916, [ =( sk3, sk1 ) ] )
% 2.40/2.83  , clause( 20493, [ =( sk1, sk3 ) ] )
% 2.40/2.83  , 0, substitution( 0, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 187, [ =( sk3, sk1 ) ] )
% 2.50/2.86  , clause( 23916, [ =( sk3, sk1 ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  factor(
% 2.50/2.86  clause( 24682, [ neq( sk2, nil ) ] )
% 2.50/2.86  , clause( 20494, [ neq( sk2, nil ), neq( sk2, nil ) ] )
% 2.50/2.86  , 0, 1, substitution( 0, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 188, [ neq( sk2, nil ) ] )
% 2.50/2.86  , clause( 24682, [ neq( sk2, nil ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 25704, [ ~( neq( sk2, nil ) ), ~( ssList( X ) ), ~( =( sk2, X ) ), 
% 2.50/2.86    ~( ssList( Y ) ), ~( =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( 
% 2.50/2.86    neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.50/2.86  , 0, clause( 20501, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) )
% 2.50/2.86    , ~( =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 )
% 2.50/2.86     ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , 6, 2, substitution( 0, [] ), substitution( 1, [ :=( X, X ), :=( Y, Y )] )
% 2.50/2.86    ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 25714, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), ~( 
% 2.50/2.86    =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) ) ]
% 2.50/2.86     )
% 2.50/2.86  , clause( 25704, [ ~( neq( sk2, nil ) ), ~( ssList( X ) ), ~( =( sk2, X ) )
% 2.50/2.86    , ~( ssList( Y ) ), ~( =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), 
% 2.50/2.86    ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , 0, clause( 188, [ neq( sk2, nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] ), substitution( 1, [] )
% 2.50/2.86    ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 189, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), ~( =( 
% 2.50/2.86    tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 25714, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), 
% 2.50/2.86    ~( =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) )
% 2.50/2.86     ] )
% 2.50/2.86  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.50/2.86     ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 ), ==>( 4, 4 ), ==>( 5, 5 )] )
% 2.50/2.86     ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 27099, [ ~( neq( sk2, nil ) ), ssItem( sk5 ) ] )
% 2.50/2.86  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.50/2.86  , 0, clause( 20502, [ ssItem( sk5 ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , 1, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 27100, [ ssItem( sk5 ) ] )
% 2.50/2.86  , clause( 27099, [ ~( neq( sk2, nil ) ), ssItem( sk5 ) ] )
% 2.50/2.86  , 0, clause( 188, [ neq( sk2, nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 190, [ ssItem( sk5 ) ] )
% 2.50/2.86  , clause( 27100, [ ssItem( sk5 ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 28469, [ ~( neq( sk2, nil ) ), ssList( sk6 ) ] )
% 2.50/2.86  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.50/2.86  , 0, clause( 20503, [ ssList( sk6 ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , 1, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 28470, [ ssList( sk6 ) ] )
% 2.50/2.86  , clause( 28469, [ ~( neq( sk2, nil ) ), ssList( sk6 ) ] )
% 2.50/2.86  , 0, clause( 188, [ neq( sk2, nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 191, [ ssList( sk6 ) ] )
% 2.50/2.86  , clause( 28470, [ ssList( sk6 ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 29687, [ =( cons( sk5, nil ), sk1 ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , clause( 187, [ =( sk3, sk1 ) ] )
% 2.50/2.86  , 0, clause( 20504, [ =( cons( sk5, nil ), sk3 ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , 0, 4, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 29688, [ ~( neq( sk2, nil ) ), =( cons( sk5, nil ), sk1 ) ] )
% 2.50/2.86  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.50/2.86  , 0, clause( 29687, [ =( cons( sk5, nil ), sk1 ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , 1, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 29689, [ =( cons( sk5, nil ), sk1 ) ] )
% 2.50/2.86  , clause( 29688, [ ~( neq( sk2, nil ) ), =( cons( sk5, nil ), sk1 ) ] )
% 2.50/2.86  , 0, clause( 188, [ neq( sk2, nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 192, [ =( cons( sk5, nil ), sk1 ) ] )
% 2.50/2.86  , clause( 29689, [ =( cons( sk5, nil ), sk1 ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 31118, [ =( app( sk1, sk6 ), sk4 ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , clause( 192, [ =( cons( sk5, nil ), sk1 ) ] )
% 2.50/2.86  , 0, clause( 20505, [ =( app( cons( sk5, nil ), sk6 ), sk4 ), ~( neq( sk4, 
% 2.50/2.86    nil ) ) ] )
% 2.50/2.86  , 0, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 31120, [ ~( neq( sk2, nil ) ), =( app( sk1, sk6 ), sk4 ) ] )
% 2.50/2.86  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.50/2.86  , 0, clause( 31118, [ =( app( sk1, sk6 ), sk4 ), ~( neq( sk4, nil ) ) ] )
% 2.50/2.86  , 1, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 31122, [ =( app( sk1, sk6 ), sk2 ), ~( neq( sk2, nil ) ) ] )
% 2.50/2.86  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.50/2.86  , 0, clause( 31120, [ ~( neq( sk2, nil ) ), =( app( sk1, sk6 ), sk4 ) ] )
% 2.50/2.86  , 1, 4, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31123, [ =( app( sk1, sk6 ), sk2 ) ] )
% 2.50/2.86  , clause( 31122, [ =( app( sk1, sk6 ), sk2 ), ~( neq( sk2, nil ) ) ] )
% 2.50/2.86  , 1, clause( 188, [ neq( sk2, nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 193, [ =( app( sk1, sk6 ), sk2 ) ] )
% 2.50/2.86  , clause( 31123, [ =( app( sk1, sk6 ), sk2 ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31125, [ ~( =( X, sk2 ) ), ~( ssList( X ) ), ~( ssList( Y ) ), ~( 
% 2.50/2.86    =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) ) ]
% 2.50/2.86     )
% 2.50/2.86  , clause( 189, [ ~( ssList( X ) ), ~( =( sk2, X ) ), ~( ssList( Y ) ), ~( 
% 2.50/2.86    =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) ) ]
% 2.50/2.86     )
% 2.50/2.86  , 1, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqrefl(
% 2.50/2.86  clause( 31132, [ ~( ssList( sk2 ) ), ~( ssList( X ) ), ~( =( tl( sk2 ), X )
% 2.50/2.86     ), ~( =( app( sk1, X ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 31125, [ ~( =( X, sk2 ) ), ~( ssList( X ) ), ~( ssList( Y ) ), 
% 2.50/2.86    ~( =( tl( sk2 ), Y ) ), ~( =( app( sk1, Y ), X ) ), ~( neq( nil, sk2 ) )
% 2.50/2.86     ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, sk2 ), :=( Y, X )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31141, [ ~( ssList( X ) ), ~( =( tl( sk2 ), X ) ), ~( =( app( sk1, 
% 2.50/2.86    X ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 31132, [ ~( ssList( sk2 ) ), ~( ssList( X ) ), ~( =( tl( sk2 ), X
% 2.50/2.86     ) ), ~( =( app( sk1, X ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , 0, clause( 183, [ ssList( sk2 ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, X )] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 318, [ ~( ssList( X ) ), ~( =( tl( sk2 ), X ) ), ~( =( app( sk1, X
% 2.50/2.86     ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 31141, [ ~( ssList( X ) ), ~( =( tl( sk2 ), X ) ), ~( =( app( sk1
% 2.50/2.86    , X ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.50/2.86    1 ), ==>( 2, 2 ), ==>( 3, 3 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31145, [ ~( =( X, tl( sk2 ) ) ), ~( ssList( X ) ), ~( =( app( sk1, 
% 2.50/2.86    X ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 318, [ ~( ssList( X ) ), ~( =( tl( sk2 ), X ) ), ~( =( app( sk1, 
% 2.50/2.86    X ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , 1, substitution( 0, [ :=( X, X )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqrefl(
% 2.50/2.86  clause( 31148, [ ~( ssList( tl( sk2 ) ) ), ~( =( app( sk1, tl( sk2 ) ), sk2
% 2.50/2.86     ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 31145, [ ~( =( X, tl( sk2 ) ) ), ~( ssList( X ) ), ~( =( app( sk1
% 2.50/2.86    , X ), sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, tl( sk2 ) )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 319, [ ~( ssList( tl( sk2 ) ) ), ~( =( app( sk1, tl( sk2 ) ), sk2 )
% 2.50/2.86     ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 31148, [ ~( ssList( tl( sk2 ) ) ), ~( =( app( sk1, tl( sk2 ) ), 
% 2.50/2.86    sk2 ) ), ~( neq( nil, sk2 ) ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2
% 2.50/2.86    , 2 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31150, [ =( X, app( X, nil ) ), ~( ssList( X ) ) ] )
% 2.50/2.86  , clause( 72, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.50/2.86  , 1, substitution( 0, [ :=( X, X )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31151, [ =( nil, app( nil, nil ) ) ] )
% 2.50/2.86  , clause( 31150, [ =( X, app( X, nil ) ), ~( ssList( X ) ) ] )
% 2.50/2.86  , 1, clause( 7, [ ssList( nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, nil )] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31152, [ =( app( nil, nil ), nil ) ] )
% 2.50/2.86  , clause( 31151, [ =( nil, app( nil, nil ) ) ] )
% 2.50/2.86  , 0, substitution( 0, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 840, [ =( app( nil, nil ), nil ) ] )
% 2.50/2.86  , clause( 31152, [ =( app( nil, nil ), nil ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31153, [ =( X, nil ), ~( frontsegP( nil, X ) ), ~( ssList( X ) ) ]
% 2.50/2.86     )
% 2.50/2.86  , clause( 81, [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ]
% 2.50/2.86     )
% 2.50/2.86  , 2, substitution( 0, [ :=( X, X )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31154, [ =( sk1, nil ), ~( frontsegP( nil, sk1 ) ) ] )
% 2.50/2.86  , clause( 31153, [ =( X, nil ), ~( frontsegP( nil, X ) ), ~( ssList( X ) )
% 2.50/2.86     ] )
% 2.50/2.86  , 2, clause( 182, [ ssList( sk1 ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, sk1 )] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31155, [ =( nil, sk1 ), ~( frontsegP( nil, sk1 ) ) ] )
% 2.50/2.86  , clause( 31154, [ =( sk1, nil ), ~( frontsegP( nil, sk1 ) ) ] )
% 2.50/2.86  , 0, substitution( 0, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 1767, [ ~( frontsegP( nil, sk1 ) ), =( nil, sk1 ) ] )
% 2.50/2.86  , clause( 31155, [ =( nil, sk1 ), ~( frontsegP( nil, sk1 ) ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 2.50/2.86     ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31156, [ =( X, hd( cons( X, Y ) ) ), ~( ssItem( X ) ), ~( ssList( Y
% 2.50/2.86     ) ) ] )
% 2.50/2.86  , clause( 94, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y ) ), 
% 2.50/2.86    X ) ] )
% 2.50/2.86  , 2, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31157, [ =( sk5, hd( cons( sk5, X ) ) ), ~( ssList( X ) ) ] )
% 2.50/2.86  , clause( 31156, [ =( X, hd( cons( X, Y ) ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.50/2.86    Y ) ) ] )
% 2.50/2.86  , 1, clause( 190, [ ssItem( sk5 ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, sk5 ), :=( Y, X )] ), substitution( 1, [] )
% 2.50/2.86    ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31158, [ =( hd( cons( sk5, X ) ), sk5 ), ~( ssList( X ) ) ] )
% 2.50/2.86  , clause( 31157, [ =( sk5, hd( cons( sk5, X ) ) ), ~( ssList( X ) ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, X )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 2910, [ ~( ssList( X ) ), =( hd( cons( sk5, X ) ), sk5 ) ] )
% 2.50/2.86  , clause( 31158, [ =( hd( cons( sk5, X ) ), sk5 ), ~( ssList( X ) ) ] )
% 2.50/2.86  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 2.50/2.86    0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31159, [ ~( =( Y, X ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.50/2.86    ssList( X ) ) ] )
% 2.50/2.86  , clause( 112, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.50/2.86    ssList( X ) ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31160, [ ~( =( nil, sk2 ) ), ~( ssList( nil ) ), ~( ssList( sk2 ) )
% 2.50/2.86     ] )
% 2.50/2.86  , clause( 31159, [ ~( =( Y, X ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.50/2.86    ssList( X ) ) ] )
% 2.50/2.86  , 1, clause( 188, [ neq( sk2, nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [ :=( X, sk2 ), :=( Y, nil )] ), substitution( 1, [] )
% 2.50/2.86    ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31161, [ ~( =( nil, sk2 ) ), ~( ssList( sk2 ) ) ] )
% 2.50/2.86  , clause( 31160, [ ~( =( nil, sk2 ) ), ~( ssList( nil ) ), ~( ssList( sk2 )
% 2.50/2.86     ) ] )
% 2.50/2.86  , 1, clause( 7, [ ssList( nil ) ] )
% 2.50/2.86  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 6143, [ ~( =( nil, sk2 ) ), ~( ssList( sk2 ) ) ] )
% 2.50/2.86  , clause( 31161, [ ~( =( nil, sk2 ) ), ~( ssList( sk2 ) ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 )] )
% 2.50/2.86     ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  resolution(
% 2.50/2.86  clause( 31164, [ ~( =( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 6143, [ ~( =( nil, sk2 ) ), ~( ssList( sk2 ) ) ] )
% 2.50/2.86  , 1, clause( 183, [ ssList( sk2 ) ] )
% 2.50/2.86  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  subsumption(
% 2.50/2.86  clause( 6161, [ ~( =( nil, sk2 ) ) ] )
% 2.50/2.86  , clause( 31164, [ ~( =( nil, sk2 ) ) ] )
% 2.50/2.86  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31166, [ =( X, cons( hd( X ), tl( X ) ) ), ~( ssList( X ) ), =( nil
% 2.50/2.86    , X ) ] )
% 2.50/2.86  , clause( 101, [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( nil
% 2.50/2.86    , X ) ] )
% 2.50/2.86  , 1, substitution( 0, [ :=( X, X )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31169, [ ~( =( sk2, nil ) ) ] )
% 2.50/2.86  , clause( 6161, [ ~( =( nil, sk2 ) ) ] )
% 2.50/2.86  , 0, substitution( 0, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  paramod(
% 2.50/2.86  clause( 31170, [ ~( =( sk2, X ) ), =( X, cons( hd( X ), tl( X ) ) ), ~( 
% 2.50/2.86    ssList( X ) ) ] )
% 2.50/2.86  , clause( 31166, [ =( X, cons( hd( X ), tl( X ) ) ), ~( ssList( X ) ), =( 
% 2.50/2.86    nil, X ) ] )
% 2.50/2.86  , 2, clause( 31169, [ ~( =( sk2, nil ) ) ] )
% 2.50/2.86  , 0, 3, substitution( 0, [ :=( X, X )] ), substitution( 1, [] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31172, [ =( cons( hd( X ), tl( X ) ), X ), ~( =( sk2, X ) ), ~( 
% 2.50/2.86    ssList( X ) ) ] )
% 2.50/2.86  , clause( 31170, [ ~( =( sk2, X ) ), =( X, cons( hd( X ), tl( X ) ) ), ~( 
% 2.50/2.86    ssList( X ) ) ] )
% 2.50/2.86  , 1, substitution( 0, [ :=( X, X )] )).
% 2.50/2.86  
% 2.50/2.86  
% 2.50/2.86  eqswap(
% 2.50/2.86  clause( 31173, [ ~( =( X, sk2 ) ), =( cons( hd( X ), tl( X ) ), X ), ~( 
% 2.50/2.86    ssList( X ) ) ] )
% 2.50/2.86  , clausCputime limit exceeded (core dumped)
%------------------------------------------------------------------------------