TSTP Solution File: SWC352-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SWC352-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n015.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 19:36:08 EDT 2022

% Result   : Unsatisfiable 2.23s 2.63s
% Output   : Refutation 2.23s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SWC352-1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n015.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % DateTime : Sun Jun 12 19:06:07 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.73/1.13  *** allocated 10000 integers for termspace/termends
% 0.73/1.13  *** allocated 10000 integers for clauses
% 0.73/1.13  *** allocated 10000 integers for justifications
% 0.73/1.13  Bliksem 1.12
% 0.73/1.13  
% 0.73/1.13  
% 0.73/1.13  Automatic Strategy Selection
% 0.73/1.13  
% 0.73/1.13  Clauses:
% 0.73/1.13  [
% 0.73/1.13     [ equalelemsP( nil ) ],
% 0.73/1.13     [ duplicatefreeP( nil ) ],
% 0.73/1.13     [ strictorderedP( nil ) ],
% 0.73/1.13     [ totalorderedP( nil ) ],
% 0.73/1.13     [ strictorderP( nil ) ],
% 0.73/1.13     [ totalorderP( nil ) ],
% 0.73/1.13     [ cyclefreeP( nil ) ],
% 0.73/1.13     [ ssList( nil ) ],
% 0.73/1.13     [ ssItem( skac3 ) ],
% 0.73/1.13     [ ssItem( skac2 ) ],
% 0.73/1.13     [ ~( singletonP( nil ) ) ],
% 0.73/1.13     [ ssItem( skaf83( X ) ) ],
% 0.73/1.13     [ ssList( skaf82( X ) ) ],
% 0.73/1.13     [ ssList( skaf81( X ) ) ],
% 0.73/1.13     [ ssList( skaf80( X ) ) ],
% 0.73/1.13     [ ssItem( skaf79( X ) ) ],
% 0.73/1.13     [ ssItem( skaf78( X ) ) ],
% 0.73/1.13     [ ssList( skaf77( X ) ) ],
% 0.73/1.13     [ ssList( skaf76( X ) ) ],
% 0.73/1.13     [ ssList( skaf75( X ) ) ],
% 0.73/1.13     [ ssItem( skaf74( X ) ) ],
% 0.73/1.13     [ ssList( skaf73( X ) ) ],
% 0.73/1.13     [ ssList( skaf72( X ) ) ],
% 0.73/1.13     [ ssList( skaf71( X ) ) ],
% 0.73/1.13     [ ssItem( skaf70( X ) ) ],
% 0.73/1.13     [ ssItem( skaf69( X ) ) ],
% 0.73/1.13     [ ssList( skaf68( X ) ) ],
% 0.73/1.13     [ ssList( skaf67( X ) ) ],
% 0.73/1.13     [ ssList( skaf66( X ) ) ],
% 0.73/1.13     [ ssItem( skaf65( X ) ) ],
% 0.73/1.13     [ ssItem( skaf64( X ) ) ],
% 0.73/1.13     [ ssList( skaf63( X ) ) ],
% 0.73/1.13     [ ssList( skaf62( X ) ) ],
% 0.73/1.13     [ ssList( skaf61( X ) ) ],
% 0.73/1.13     [ ssItem( skaf60( X ) ) ],
% 0.73/1.13     [ ssItem( skaf59( X ) ) ],
% 0.73/1.13     [ ssList( skaf58( X ) ) ],
% 0.73/1.13     [ ssList( skaf57( X ) ) ],
% 0.73/1.13     [ ssList( skaf56( X ) ) ],
% 0.73/1.13     [ ssItem( skaf55( X ) ) ],
% 0.73/1.13     [ ssItem( skaf54( X ) ) ],
% 0.73/1.13     [ ssList( skaf53( X ) ) ],
% 0.73/1.13     [ ssList( skaf52( X ) ) ],
% 0.73/1.13     [ ssList( skaf51( X ) ) ],
% 0.73/1.13     [ ssItem( skaf50( X ) ) ],
% 0.73/1.13     [ ssItem( skaf49( X ) ) ],
% 0.73/1.13     [ ssItem( skaf44( X ) ) ],
% 0.73/1.13     [ ssList( skaf48( X, Y ) ) ],
% 0.73/1.13     [ ssList( skaf47( X, Y ) ) ],
% 0.73/1.13     [ ssList( skaf46( X, Y ) ) ],
% 0.73/1.13     [ ssList( skaf45( X, Y ) ) ],
% 0.73/1.13     [ ssList( skaf43( X, Y ) ) ],
% 0.73/1.13     [ ssList( skaf42( X, Y ) ) ],
% 0.73/1.13     [ ~( =( skac3, skac2 ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), geq( X, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), segmentP( X, nil ) ],
% 0.73/1.13     [ ~( ssList( X ) ), segmentP( X, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), rearsegP( X, nil ) ],
% 0.73/1.13     [ ~( ssList( X ) ), rearsegP( X, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), frontsegP( X, nil ) ],
% 0.73/1.13     [ ~( ssList( X ) ), frontsegP( X, X ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), leq( X, X ) ],
% 0.73/1.13     [ ~( lt( X, X ) ), ~( ssItem( X ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), equalelemsP( cons( X, nil ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), duplicatefreeP( cons( X, nil ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), strictorderedP( cons( X, nil ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), totalorderedP( cons( X, nil ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), strictorderP( cons( X, nil ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), totalorderP( cons( X, nil ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), cyclefreeP( cons( X, nil ) ) ],
% 0.73/1.13     [ ~( memberP( nil, X ) ), ~( ssItem( X ) ) ],
% 0.73/1.13     [ ~( ssList( X ) ), duplicatefreeP( X ), ssItem( Y ) ],
% 0.73/1.13     [ ~( ssList( X ) ), =( app( X, nil ), X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), =( app( nil, X ), X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ],
% 0.73/1.13     [ ~( =( nil, X ) ), ~( ssList( X ) ), segmentP( nil, X ) ],
% 0.73/1.13     [ ~( segmentP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ],
% 0.73/1.13     [ ~( =( nil, X ) ), ~( ssList( X ) ), rearsegP( nil, X ) ],
% 0.73/1.13     [ ~( rearsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ],
% 0.73/1.13     [ ~( =( nil, X ) ), ~( ssList( X ) ), frontsegP( nil, X ) ],
% 0.73/1.13     [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ~( ssList( Y ) ), ssList( app( Y, X ) ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), ~( ssList( Y ) ), ssList( cons( X, Y ) ) ],
% 0.73/1.13     [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf50( X ), skaf49( X ) ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf49( X ), skaf50( X ) ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( =( skaf79( X ), skaf78( X ) ) ), ~( ssList( X ) ), equalelemsP( X )
% 0.73/1.13     ],
% 0.73/1.13     [ ~( lt( skaf69( X ), skaf70( X ) ) ), ~( ssList( X ) ), strictorderedP( 
% 0.73/1.13    X ) ],
% 0.73/1.13     [ ~( leq( skaf64( X ), skaf65( X ) ) ), ~( ssList( X ) ), totalorderedP( 
% 0.73/1.13    X ) ],
% 0.73/1.13     [ ~( lt( skaf60( X ), skaf59( X ) ) ), ~( ssList( X ) ), strictorderP( X
% 0.73/1.13     ) ],
% 0.73/1.13     [ ~( lt( skaf59( X ), skaf60( X ) ) ), ~( ssList( X ) ), strictorderP( X
% 0.73/1.13     ) ],
% 0.73/1.13     [ ~( leq( skaf55( X ), skaf54( X ) ) ), ~( ssList( X ) ), totalorderP( X
% 0.73/1.13     ) ],
% 0.73/1.13     [ ~( leq( skaf54( X ), skaf55( X ) ) ), ~( ssList( X ) ), totalorderP( X
% 0.73/1.13     ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( tl( cons( X, Y ) ), Y ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y ) ), X ) ],
% 0.73/1.13     [ ~( =( cons( X, Y ), nil ) ), ~( ssItem( X ) ), ~( ssList( Y ) ) ],
% 0.73/1.13     [ ~( =( cons( X, Y ), Y ) ), ~( ssItem( X ) ), ~( ssList( Y ) ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X ) ],
% 0.73/1.13     [ ~( singletonP( X ) ), ~( ssList( X ) ), =( cons( skaf44( X ), nil ), X
% 0.73/1.13     ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), ~( ssItem( Y ) ), neq( Y, X ), =( Y, X ) ],
% 0.73/1.13     [ ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( X, Y ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( nil, X ) ],
% 0.73/1.13     [ ~( gt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( Y, X ) ],
% 0.73/1.13     [ ~( lt( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), gt( Y, X ) ],
% 0.73/1.13     [ ~( geq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( Y, X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( leq( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), geq( Y, X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), =( cons( skaf83( X ), skaf82( X ) ), X ), =( nil, X
% 0.73/1.13     ) ],
% 0.73/1.13     [ ~( gt( X, Y ) ), ~( gt( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( =( X, Y ) ), ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), strictorderedP( 
% 0.73/1.13    cons( Y, X ) ) ],
% 0.73/1.13     [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), totalorderedP( 
% 0.73/1.13    cons( Y, X ) ) ],
% 0.73/1.13     [ ~( lt( X, Y ) ), ~( lt( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( =( cons( X, nil ), Y ) ), ~( ssItem( X ) ), ~( ssList( Y ) ), 
% 0.73/1.13    singletonP( Y ) ],
% 0.73/1.13     [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( nil
% 0.73/1.13    , X ) ],
% 0.73/1.13     [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( nil
% 0.73/1.13    , Y ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( app( cons( X, nil ), Y ), cons( 
% 0.73/1.13    X, Y ) ) ],
% 0.73/1.13     [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Y ), =( X
% 0.73/1.13    , Y ) ],
% 0.73/1.13     [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Y ), =( X
% 0.73/1.13    , Y ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( hd( app( Y, X ) )
% 0.73/1.13    , hd( Y ) ) ],
% 0.73/1.13     [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X )
% 0.73/1.13     ), strictorderedP( Y ), =( nil, Y ) ],
% 0.73/1.13     [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X ) )
% 0.73/1.13    , totalorderedP( Y ), =( nil, Y ) ],
% 0.73/1.13     [ ~( geq( X, Y ) ), ~( geq( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) )
% 0.73/1.13    , =( Y, X ) ],
% 0.73/1.13     [ ~( segmentP( X, Y ) ), ~( segmentP( Y, X ) ), ~( ssList( X ) ), ~( 
% 0.73/1.13    ssList( Y ) ), =( Y, X ) ],
% 0.73/1.13     [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, X ) ), ~( ssList( X ) ), ~( 
% 0.73/1.13    ssList( Y ) ), =( Y, X ) ],
% 0.73/1.13     [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, X ) ), ~( ssList( X ) ), ~( 
% 0.73/1.13    ssList( Y ) ), =( Y, X ) ],
% 0.73/1.13     [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( ssItem( X ) ), ~( ssItem( Y ) )
% 0.73/1.13    , =( Y, X ) ],
% 0.73/1.13     [ ~( rearsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( app( 
% 0.73/1.13    skaf46( X, Y ), Y ), X ) ],
% 0.73/1.13     [ ~( frontsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( app( Y
% 0.73/1.13    , skaf45( X, Y ) ), X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( tl( app( Y, X ) )
% 0.73/1.13    , app( tl( Y ), X ) ) ],
% 0.73/1.13     [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X )
% 0.73/1.13     ), lt( X, hd( Y ) ), =( nil, Y ) ],
% 0.73/1.13     [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), ~( ssItem( X ) )
% 0.73/1.13    , leq( X, hd( Y ) ), =( nil, Y ) ],
% 0.73/1.13     [ ~( rearsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y ) ), ~( ssList( 
% 0.73/1.13    X ) ), rearsegP( app( Z, X ), Y ) ],
% 0.73/1.13     [ ~( frontsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y ) ), ~( ssList( 
% 0.73/1.13    X ) ), frontsegP( app( X, Z ), Y ) ],
% 0.73/1.13     [ ~( =( X, Y ) ), ~( ssList( Z ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), 
% 0.73/1.13    memberP( cons( Y, Z ), X ) ],
% 0.73/1.13     [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssItem( Z ) ), ~( ssItem( Y
% 0.73/1.13     ) ), memberP( cons( Z, X ), Y ) ],
% 0.73/1.13     [ ~( memberP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( Y
% 0.73/1.13     ) ), memberP( app( X, Z ), Y ) ],
% 0.73/1.13     [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssList( Z ) ), ~( ssItem( Y
% 0.73/1.13     ) ), memberP( app( Z, X ), Y ) ],
% 0.73/1.13     [ ~( ssList( X ) ), equalelemsP( X ), =( app( skaf80( X ), cons( skaf78( 
% 0.73/1.13    X ), cons( skaf79( X ), skaf81( X ) ) ) ), X ) ],
% 0.73/1.13     [ ~( =( app( X, Y ), Z ) ), ~( ssList( X ) ), ~( ssList( Y ) ), ~( 
% 0.73/1.13    ssList( Z ) ), rearsegP( Z, Y ) ],
% 0.73/1.13     [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), ~( 
% 0.73/1.13    ssList( Z ) ), frontsegP( Z, X ) ],
% 0.73/1.13     [ ~( =( nil, X ) ), ~( =( nil, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) )
% 0.73/1.13    , =( app( X, Y ), nil ) ],
% 0.73/1.13     [ ~( gt( X, Y ) ), ~( gt( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), 
% 0.73/1.13    ~( ssItem( X ) ), gt( X, Z ) ],
% 0.73/1.13     [ ~( leq( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) )
% 0.73/1.13    , ~( ssItem( X ) ), lt( X, Z ) ],
% 0.73/1.13     [ ~( geq( X, Y ) ), ~( geq( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) )
% 0.73/1.13    , ~( ssItem( X ) ), geq( X, Z ) ],
% 0.73/1.13     [ ~( ssList( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), =( app( app( Z, 
% 0.73/1.13    Y ), X ), app( Z, app( Y, X ) ) ) ],
% 0.73/1.13     [ ~( =( app( X, Y ), app( X, Z ) ) ), ~( ssList( Y ) ), ~( ssList( X ) )
% 0.73/1.13    , ~( ssList( Z ) ), =( Y, Z ) ],
% 0.73/1.13     [ ~( =( app( X, Y ), app( Z, Y ) ) ), ~( ssList( X ) ), ~( ssList( Y ) )
% 0.73/1.13    , ~( ssList( Z ) ), =( X, Z ) ],
% 0.73/1.13     [ ~( segmentP( X, Y ) ), ~( segmentP( Y, Z ) ), ~( ssList( Z ) ), ~( 
% 0.73/1.13    ssList( Y ) ), ~( ssList( X ) ), segmentP( X, Z ) ],
% 0.73/1.13     [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, Z ) ), ~( ssList( Z ) ), ~( 
% 0.73/1.13    ssList( Y ) ), ~( ssList( X ) ), rearsegP( X, Z ) ],
% 0.73/1.13     [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, Z ) ), ~( ssList( Z ) ), ~( 
% 0.73/1.13    ssList( Y ) ), ~( ssList( X ) ), frontsegP( X, Z ) ],
% 0.73/1.13     [ ~( lt( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), 
% 0.73/1.13    ~( ssItem( X ) ), lt( X, Z ) ],
% 0.73/1.13     [ ~( leq( X, Y ) ), ~( leq( Y, Z ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) )
% 0.73/1.13    , ~( ssItem( X ) ), leq( X, Z ) ],
% 0.73/1.13     [ ~( ssItem( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), =( cons( X, app( 
% 0.73/1.13    Y, Z ) ), app( cons( X, Y ), Z ) ) ],
% 0.73/1.13     [ ~( memberP( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), 
% 0.73/1.13    ~( ssItem( Z ) ), memberP( Y, Z ), memberP( X, Z ) ],
% 0.73/1.13     [ ~( leq( X, hd( Y ) ) ), ~( totalorderedP( Y ) ), ~( ssList( Y ) ), ~( 
% 0.73/1.13    ssItem( X ) ), totalorderedP( cons( X, Y ) ), =( nil, Y ) ],
% 0.73/1.13     [ ~( lt( X, hd( Y ) ) ), ~( strictorderedP( Y ) ), ~( ssList( Y ) ), ~( 
% 0.73/1.13    ssItem( X ) ), strictorderedP( cons( X, Y ) ), =( nil, Y ) ],
% 0.73/1.13     [ ~( memberP( cons( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssItem( X ) ), 
% 0.73/1.13    ~( ssItem( Z ) ), memberP( Y, Z ), =( Z, X ) ],
% 0.73/1.13     [ ~( ssList( X ) ), duplicatefreeP( X ), =( app( app( skaf75( X ), cons( 
% 0.73/1.13    skaf74( X ), skaf76( X ) ) ), cons( skaf74( X ), skaf77( X ) ) ), X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), strictorderedP( X ), =( app( app( skaf71( X ), cons( 
% 0.73/1.13    skaf69( X ), skaf72( X ) ) ), cons( skaf70( X ), skaf73( X ) ) ), X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), totalorderedP( X ), =( app( app( skaf66( X ), cons( 
% 0.73/1.13    skaf64( X ), skaf67( X ) ) ), cons( skaf65( X ), skaf68( X ) ) ), X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), strictorderP( X ), =( app( app( skaf61( X ), cons( 
% 0.73/1.13    skaf59( X ), skaf62( X ) ) ), cons( skaf60( X ), skaf63( X ) ) ), X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), totalorderP( X ), =( app( app( skaf56( X ), cons( 
% 0.73/1.13    skaf54( X ), skaf57( X ) ) ), cons( skaf55( X ), skaf58( X ) ) ), X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( ssList( X ) ), cyclefreeP( X ), =( app( app( skaf51( X ), cons( 
% 0.73/1.13    skaf49( X ), skaf52( X ) ) ), cons( skaf50( X ), skaf53( X ) ) ), X ) ]
% 0.73/1.13    ,
% 0.73/1.13     [ ~( segmentP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X ) ), =( app( app( 
% 0.73/1.13    skaf47( X, Y ), Y ), skaf48( Y, X ) ), X ) ],
% 0.73/1.13     [ ~( memberP( X, Y ) ), ~( ssItem( Y ) ), ~( ssList( X ) ), =( app( 
% 0.73/1.13    skaf42( X, Y ), cons( Y, skaf43( Y, X ) ) ), X ) ],
% 0.73/1.13     [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), ~( ssItem( X )
% 0.73/1.13     ), ~( ssList( T ) ), ~( ssList( Y ) ), =( X, Z ) ],
% 0.73/1.13     [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), ~( ssItem( X )
% 0.73/1.13     ), ~( ssList( T ) ), ~( ssList( Y ) ), =( T, Y ) ],
% 0.73/1.13     [ ~( segmentP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( T ) ), ~( ssList( 
% 0.77/1.29    Y ) ), ~( ssList( X ) ), segmentP( app( app( T, X ), Z ), Y ) ],
% 0.77/1.29     [ ~( =( app( app( X, Y ), Z ), T ) ), ~( ssList( Z ) ), ~( ssList( X ) )
% 0.77/1.29    , ~( ssList( Y ) ), ~( ssList( T ) ), segmentP( T, Y ) ],
% 0.77/1.29     [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( T ) ), ~( 
% 0.77/1.29    ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), frontsegP( Y, T ) ]
% 0.77/1.29    ,
% 0.77/1.29     [ ~( =( app( X, cons( Y, Z ) ), T ) ), ~( ssList( Z ) ), ~( ssList( X )
% 0.77/1.29     ), ~( ssItem( Y ) ), ~( ssList( T ) ), memberP( T, Y ) ],
% 0.77/1.29     [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( T ) ), ~( 
% 0.77/1.29    ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), =( X, Z ) ],
% 0.77/1.29     [ ~( =( tl( X ), tl( Y ) ) ), ~( =( hd( X ), hd( Y ) ) ), ~( ssList( X )
% 0.77/1.29     ), ~( ssList( Y ) ), =( nil, Y ), =( X, Y ), =( nil, X ) ],
% 0.77/1.29     [ ~( frontsegP( X, Y ) ), ~( =( Z, T ) ), ~( ssList( Y ) ), ~( ssList( X
% 0.77/1.29     ) ), ~( ssItem( T ) ), ~( ssItem( Z ) ), frontsegP( cons( Z, X ), cons( 
% 0.77/1.29    T, Y ) ) ],
% 0.77/1.29     [ ~( =( app( app( X, cons( Y, Z ) ), cons( Y, T ) ), U ) ), ~( ssList( T
% 0.77/1.29     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), ~( 
% 0.77/1.29    duplicatefreeP( U ) ), ~( ssList( U ) ) ],
% 0.77/1.29     [ ~( =( app( X, cons( Y, cons( Z, T ) ) ), U ) ), ~( ssList( T ) ), ~( 
% 0.77/1.29    ssList( X ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), ~( equalelemsP( U ) )
% 0.77/1.29    , ~( ssList( U ) ), =( Y, Z ) ],
% 0.77/1.29     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.77/1.29     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.77/1.29     ) ), ~( strictorderedP( W ) ), ~( ssList( W ) ), lt( Y, T ) ],
% 0.77/1.29     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.77/1.29     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.77/1.29     ) ), ~( totalorderedP( W ) ), ~( ssList( W ) ), leq( Y, T ) ],
% 0.77/1.29     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.77/1.29     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.77/1.29     ) ), ~( strictorderP( W ) ), ~( ssList( W ) ), lt( Y, T ), lt( T, Y ) ]
% 0.77/1.29    ,
% 0.77/1.29     [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) ), ~( ssList( U
% 0.77/1.29     ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Y
% 0.77/1.29     ) ), ~( totalorderP( W ) ), ~( ssList( W ) ), leq( Y, T ), leq( T, Y ) ]
% 0.77/1.29    ,
% 0.77/1.29     [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( =( app( app( Z, cons( X, T ) )
% 0.77/1.29    , cons( Y, U ) ), W ) ), ~( ssList( U ) ), ~( ssList( T ) ), ~( ssList( Z
% 0.77/1.29     ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), ~( cyclefreeP( W ) ), ~( ssList( 
% 0.77/1.29    W ) ) ],
% 0.77/1.29     [ ssList( sk1 ) ],
% 0.77/1.29     [ ssList( sk2 ) ],
% 0.77/1.29     [ ssList( sk3 ) ],
% 0.77/1.29     [ ssList( sk4 ) ],
% 0.77/1.29     [ =( sk2, sk4 ) ],
% 0.77/1.29     [ =( sk1, sk3 ) ],
% 0.77/1.29     [ ~( frontsegP( sk2, sk1 ) ) ],
% 0.77/1.29     [ =( nil, sk3 ), ~( =( nil, sk4 ) ) ],
% 0.77/1.29     [ ~( neq( sk4, nil ) ), neq( sk3, nil ) ],
% 0.77/1.29     [ ~( neq( sk4, nil ) ), frontsegP( sk4, sk3 ) ]
% 0.77/1.29  ] .
% 0.77/1.29  
% 0.77/1.29  
% 0.77/1.29  percentage equality = 0.163366, percentage horn = 0.843750
% 0.77/1.29  This is a problem with some equality
% 0.77/1.29  
% 0.77/1.29  
% 0.77/1.29  
% 0.77/1.29  Options Used:
% 0.77/1.29  
% 0.77/1.29  useres =            1
% 0.77/1.29  useparamod =        1
% 0.77/1.29  useeqrefl =         1
% 0.77/1.29  useeqfact =         1
% 0.77/1.29  usefactor =         1
% 0.77/1.29  usesimpsplitting =  0
% 0.77/1.29  usesimpdemod =      5
% 0.77/1.29  usesimpres =        3
% 0.77/1.29  
% 0.77/1.29  resimpinuse      =  1000
% 0.77/1.29  resimpclauses =     20000
% 0.77/1.29  substype =          eqrewr
% 0.77/1.29  backwardsubs =      1
% 0.77/1.29  selectoldest =      5
% 0.77/1.29  
% 0.77/1.29  litorderings [0] =  split
% 0.77/1.29  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.77/1.29  
% 0.77/1.29  termordering =      kbo
% 0.77/1.29  
% 0.77/1.29  litapriori =        0
% 0.77/1.29  termapriori =       1
% 0.77/1.29  litaposteriori =    0
% 0.77/1.29  termaposteriori =   0
% 0.77/1.29  demodaposteriori =  0
% 0.77/1.29  ordereqreflfact =   0
% 0.77/1.29  
% 0.77/1.29  litselect =         negord
% 0.77/1.29  
% 0.77/1.29  maxweight =         15
% 0.77/1.29  maxdepth =          30000
% 0.77/1.29  maxlength =         115
% 0.77/1.29  maxnrvars =         195
% 0.77/1.29  excuselevel =       1
% 0.77/1.29  increasemaxweight = 1
% 0.77/1.29  
% 0.77/1.29  maxselected =       10000000
% 0.77/1.29  maxnrclauses =      10000000
% 0.77/1.29  
% 0.77/1.29  showgenerated =    0
% 0.77/1.29  showkept =         0
% 0.77/1.29  showselected =     0
% 0.77/1.29  showdeleted =      0
% 0.77/1.29  showresimp =       1
% 0.77/1.29  showstatus =       2000
% 0.77/1.29  
% 0.77/1.29  prologoutput =     1
% 0.77/1.29  nrgoals =          5000000
% 0.77/1.29  totalproof =       1
% 0.77/1.29  
% 0.77/1.29  Symbols occurring in the translation:
% 0.77/1.29  
% 0.77/1.29  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.77/1.29  .  [1, 2]      (w:1, o:75, a:1, s:1, b:0), 
% 0.77/1.29  !  [4, 1]      (w:0, o:22, a:1, s:1, b:0), 
% 2.23/2.63  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.23/2.63  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.23/2.63  nil  [39, 0]      (w:1, o:15, a:1, s:1, b:0), 
% 2.23/2.63  equalelemsP  [40, 1]      (w:1, o:29, a:1, s:1, b:0), 
% 2.23/2.63  duplicatefreeP  [41, 1]      (w:1, o:28, a:1, s:1, b:0), 
% 2.23/2.63  strictorderedP  [42, 1]      (w:1, o:32, a:1, s:1, b:0), 
% 2.23/2.63  totalorderedP  [43, 1]      (w:1, o:71, a:1, s:1, b:0), 
% 2.23/2.63  strictorderP  [44, 1]      (w:1, o:33, a:1, s:1, b:0), 
% 2.23/2.63  totalorderP  [45, 1]      (w:1, o:72, a:1, s:1, b:0), 
% 2.23/2.63  cyclefreeP  [46, 1]      (w:1, o:27, a:1, s:1, b:0), 
% 2.23/2.63  ssList  [47, 1]      (w:1, o:30, a:1, s:1, b:0), 
% 2.23/2.63  skac3  [48, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 2.23/2.63  ssItem  [49, 1]      (w:1, o:31, a:1, s:1, b:0), 
% 2.23/2.63  skac2  [50, 0]      (w:1, o:5, a:1, s:1, b:0), 
% 2.23/2.63  singletonP  [51, 1]      (w:1, o:34, a:1, s:1, b:0), 
% 2.23/2.63  skaf83  [53, 1]      (w:1, o:70, a:1, s:1, b:0), 
% 2.23/2.63  skaf82  [54, 1]      (w:1, o:69, a:1, s:1, b:0), 
% 2.23/2.63  skaf81  [55, 1]      (w:1, o:68, a:1, s:1, b:0), 
% 2.23/2.63  skaf80  [56, 1]      (w:1, o:67, a:1, s:1, b:0), 
% 2.23/2.63  skaf79  [57, 1]      (w:1, o:66, a:1, s:1, b:0), 
% 2.23/2.63  skaf78  [58, 1]      (w:1, o:65, a:1, s:1, b:0), 
% 2.23/2.63  skaf77  [59, 1]      (w:1, o:64, a:1, s:1, b:0), 
% 2.23/2.63  skaf76  [60, 1]      (w:1, o:63, a:1, s:1, b:0), 
% 2.23/2.63  skaf75  [61, 1]      (w:1, o:62, a:1, s:1, b:0), 
% 2.23/2.63  skaf74  [62, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 2.23/2.63  skaf73  [63, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 2.23/2.63  skaf72  [64, 1]      (w:1, o:59, a:1, s:1, b:0), 
% 2.23/2.63  skaf71  [65, 1]      (w:1, o:58, a:1, s:1, b:0), 
% 2.23/2.63  skaf70  [66, 1]      (w:1, o:57, a:1, s:1, b:0), 
% 2.23/2.63  skaf69  [67, 1]      (w:1, o:56, a:1, s:1, b:0), 
% 2.23/2.63  skaf68  [68, 1]      (w:1, o:55, a:1, s:1, b:0), 
% 2.23/2.63  skaf67  [69, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 2.23/2.63  skaf66  [70, 1]      (w:1, o:53, a:1, s:1, b:0), 
% 2.23/2.63  skaf65  [71, 1]      (w:1, o:52, a:1, s:1, b:0), 
% 2.23/2.63  skaf64  [72, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 2.23/2.63  skaf63  [73, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 2.23/2.63  skaf62  [74, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 2.23/2.63  skaf61  [75, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 2.23/2.63  skaf60  [76, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 2.23/2.63  skaf59  [77, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 2.23/2.63  skaf58  [78, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 2.23/2.63  skaf57  [79, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 2.23/2.63  skaf56  [80, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 2.23/2.63  skaf55  [81, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 2.23/2.63  skaf54  [82, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 2.23/2.63  skaf53  [83, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 2.23/2.63  skaf52  [84, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 2.23/2.63  skaf51  [85, 1]      (w:1, o:38, a:1, s:1, b:0), 
% 2.23/2.63  skaf50  [86, 1]      (w:1, o:37, a:1, s:1, b:0), 
% 2.23/2.63  skaf49  [87, 1]      (w:1, o:35, a:1, s:1, b:0), 
% 2.23/2.63  skaf44  [88, 1]      (w:1, o:36, a:1, s:1, b:0), 
% 2.23/2.63  skaf48  [90, 2]      (w:1, o:104, a:1, s:1, b:0), 
% 2.23/2.63  skaf47  [91, 2]      (w:1, o:103, a:1, s:1, b:0), 
% 2.23/2.63  skaf46  [92, 2]      (w:1, o:102, a:1, s:1, b:0), 
% 2.23/2.63  skaf45  [93, 2]      (w:1, o:101, a:1, s:1, b:0), 
% 2.23/2.63  skaf43  [94, 2]      (w:1, o:106, a:1, s:1, b:0), 
% 2.23/2.63  skaf42  [95, 2]      (w:1, o:105, a:1, s:1, b:0), 
% 2.23/2.63  geq  [96, 2]      (w:1, o:108, a:1, s:1, b:0), 
% 2.23/2.63  segmentP  [97, 2]      (w:1, o:109, a:1, s:1, b:0), 
% 2.23/2.63  rearsegP  [98, 2]      (w:1, o:100, a:1, s:1, b:0), 
% 2.23/2.63  frontsegP  [99, 2]      (w:1, o:107, a:1, s:1, b:0), 
% 2.23/2.63  leq  [100, 2]      (w:1, o:110, a:1, s:1, b:0), 
% 2.23/2.63  lt  [101, 2]      (w:1, o:111, a:1, s:1, b:0), 
% 2.23/2.63  cons  [102, 2]      (w:1, o:112, a:1, s:1, b:0), 
% 2.23/2.63  memberP  [103, 2]      (w:1, o:113, a:1, s:1, b:0), 
% 2.23/2.63  app  [104, 2]      (w:1, o:114, a:1, s:1, b:0), 
% 2.23/2.63  tl  [105, 1]      (w:1, o:73, a:1, s:1, b:0), 
% 2.23/2.63  hd  [106, 1]      (w:1, o:74, a:1, s:1, b:0), 
% 2.23/2.63  neq  [107, 2]      (w:1, o:115, a:1, s:1, b:0), 
% 2.23/2.63  gt  [108, 2]      (w:1, o:116, a:1, s:1, b:0), 
% 2.23/2.63  sk1  [113, 0]      (w:1, o:7, a:1, s:1, b:0), 
% 2.23/2.63  sk2  [114, 0]      (w:1, o:8, a:1, s:1, b:0), 
% 2.23/2.63  sk3  [115, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 2.23/2.63  sk4  [116, 0]      (w:1, o:10, a:1, s:1, b:0).
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Starting Search:
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    4150
% 2.23/2.63  Kept:         2091
% 2.23/2.63  Inuse:        204
% 2.23/2.63  Deleted:      2
% 2.23/2.63  Deletedinuse: 0
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    8943
% 2.23/2.63  Kept:         4671
% 2.23/2.63  Inuse:        287
% 2.23/2.63  Deleted:      4
% 2.23/2.63  Deletedinuse: 0
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    16682
% 2.23/2.63  Kept:         6733
% 2.23/2.63  Inuse:        405
% 2.23/2.63  Deleted:      178
% 2.23/2.63  Deletedinuse: 162
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    23337
% 2.23/2.63  Kept:         8734
% 2.23/2.63  Inuse:        480
% 2.23/2.63  Deleted:      181
% 2.23/2.63  Deletedinuse: 162
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    33293
% 2.23/2.63  Kept:         10743
% 2.23/2.63  Inuse:        546
% 2.23/2.63  Deleted:      182
% 2.23/2.63  Deletedinuse: 162
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    47192
% 2.23/2.63  Kept:         12828
% 2.23/2.63  Inuse:        609
% 2.23/2.63  Deleted:      184
% 2.23/2.63  Deletedinuse: 162
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    56824
% 2.23/2.63  Kept:         14854
% 2.23/2.63  Inuse:        628
% 2.23/2.63  Deleted:      192
% 2.23/2.63  Deletedinuse: 164
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Intermediate Status:
% 2.23/2.63  Generated:    74637
% 2.23/2.63  Kept:         17046
% 2.23/2.63  Inuse:        652
% 2.23/2.63  Deleted:      199
% 2.23/2.63  Deletedinuse: 165
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  Resimplifying inuse:
% 2.23/2.63  Done
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  Bliksems!, er is een bewijs:
% 2.23/2.63  % SZS status Unsatisfiable
% 2.23/2.63  % SZS output start Refutation
% 2.23/2.63  
% 2.23/2.63  clause( 7, [ ssList( nil ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 48, [ ssList( skaf47( X, Y ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 72, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 97, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X ) ]
% 2.23/2.63     )
% 2.23/2.63  .
% 2.23/2.63  clause( 140, [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X ) )
% 2.23/2.63    , ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 146, [ ~( =( app( X, Y ), app( X, Z ) ) ), ~( ssList( Y ) ), ~( 
% 2.23/2.63    ssList( X ) ), ~( ssList( Z ) ), =( Y, Z ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 182, [ ssList( sk1 ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 183, [ ssList( sk2 ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 186, [ =( sk4, sk2 ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 187, [ =( sk3, sk1 ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 188, [ ~( frontsegP( sk2, sk1 ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 189, [ =( nil, sk1 ), ~( =( nil, sk2 ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 191, [ ~( neq( sk2, nil ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 3143, [ ~( ssList( sk2 ) ), =( nil, sk2 ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 3763, [ =( nil, sk2 ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 3838, [ ~( ssList( X ) ), =( app( X, sk2 ), X ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 8616, [ ~( =( app( sk1, X ), sk2 ) ), ~( ssList( X ) ), ~( ssList( 
% 2.23/2.63    sk2 ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 8643, [ ~( =( app( sk1, sk2 ), sk2 ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 12217, [ ~( =( app( Y, sk1 ), app( Y, X ) ) ), ~( ssList( Y ) ), 
% 2.23/2.63    ~( ssList( X ) ), ~( =( X, sk2 ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 12257, [ ~( ssList( X ) ), ~( =( sk2, sk1 ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 12532, [ ~( =( sk2, sk1 ) ) ] )
% 2.23/2.63  .
% 2.23/2.63  clause( 18069, [] )
% 2.23/2.63  .
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  % SZS output end Refutation
% 2.23/2.63  found a proof!
% 2.23/2.63  
% 2.23/2.63  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 2.23/2.63  
% 2.23/2.63  initialclauses(
% 2.23/2.63  [ clause( 18071, [ equalelemsP( nil ) ] )
% 2.23/2.63  , clause( 18072, [ duplicatefreeP( nil ) ] )
% 2.23/2.63  , clause( 18073, [ strictorderedP( nil ) ] )
% 2.23/2.63  , clause( 18074, [ totalorderedP( nil ) ] )
% 2.23/2.63  , clause( 18075, [ strictorderP( nil ) ] )
% 2.23/2.63  , clause( 18076, [ totalorderP( nil ) ] )
% 2.23/2.63  , clause( 18077, [ cyclefreeP( nil ) ] )
% 2.23/2.63  , clause( 18078, [ ssList( nil ) ] )
% 2.23/2.63  , clause( 18079, [ ssItem( skac3 ) ] )
% 2.23/2.63  , clause( 18080, [ ssItem( skac2 ) ] )
% 2.23/2.63  , clause( 18081, [ ~( singletonP( nil ) ) ] )
% 2.23/2.63  , clause( 18082, [ ssItem( skaf83( X ) ) ] )
% 2.23/2.63  , clause( 18083, [ ssList( skaf82( X ) ) ] )
% 2.23/2.63  , clause( 18084, [ ssList( skaf81( X ) ) ] )
% 2.23/2.63  , clause( 18085, [ ssList( skaf80( X ) ) ] )
% 2.23/2.63  , clause( 18086, [ ssItem( skaf79( X ) ) ] )
% 2.23/2.63  , clause( 18087, [ ssItem( skaf78( X ) ) ] )
% 2.23/2.63  , clause( 18088, [ ssList( skaf77( X ) ) ] )
% 2.23/2.63  , clause( 18089, [ ssList( skaf76( X ) ) ] )
% 2.23/2.63  , clause( 18090, [ ssList( skaf75( X ) ) ] )
% 2.23/2.63  , clause( 18091, [ ssItem( skaf74( X ) ) ] )
% 2.23/2.63  , clause( 18092, [ ssList( skaf73( X ) ) ] )
% 2.23/2.63  , clause( 18093, [ ssList( skaf72( X ) ) ] )
% 2.23/2.63  , clause( 18094, [ ssList( skaf71( X ) ) ] )
% 2.23/2.63  , clause( 18095, [ ssItem( skaf70( X ) ) ] )
% 2.23/2.63  , clause( 18096, [ ssItem( skaf69( X ) ) ] )
% 2.23/2.63  , clause( 18097, [ ssList( skaf68( X ) ) ] )
% 2.23/2.63  , clause( 18098, [ ssList( skaf67( X ) ) ] )
% 2.23/2.63  , clause( 18099, [ ssList( skaf66( X ) ) ] )
% 2.23/2.63  , clause( 18100, [ ssItem( skaf65( X ) ) ] )
% 2.23/2.63  , clause( 18101, [ ssItem( skaf64( X ) ) ] )
% 2.23/2.63  , clause( 18102, [ ssList( skaf63( X ) ) ] )
% 2.23/2.63  , clause( 18103, [ ssList( skaf62( X ) ) ] )
% 2.23/2.63  , clause( 18104, [ ssList( skaf61( X ) ) ] )
% 2.23/2.63  , clause( 18105, [ ssItem( skaf60( X ) ) ] )
% 2.23/2.63  , clause( 18106, [ ssItem( skaf59( X ) ) ] )
% 2.23/2.63  , clause( 18107, [ ssList( skaf58( X ) ) ] )
% 2.23/2.63  , clause( 18108, [ ssList( skaf57( X ) ) ] )
% 2.23/2.63  , clause( 18109, [ ssList( skaf56( X ) ) ] )
% 2.23/2.63  , clause( 18110, [ ssItem( skaf55( X ) ) ] )
% 2.23/2.63  , clause( 18111, [ ssItem( skaf54( X ) ) ] )
% 2.23/2.63  , clause( 18112, [ ssList( skaf53( X ) ) ] )
% 2.23/2.63  , clause( 18113, [ ssList( skaf52( X ) ) ] )
% 2.23/2.63  , clause( 18114, [ ssList( skaf51( X ) ) ] )
% 2.23/2.63  , clause( 18115, [ ssItem( skaf50( X ) ) ] )
% 2.23/2.63  , clause( 18116, [ ssItem( skaf49( X ) ) ] )
% 2.23/2.63  , clause( 18117, [ ssItem( skaf44( X ) ) ] )
% 2.23/2.63  , clause( 18118, [ ssList( skaf48( X, Y ) ) ] )
% 2.23/2.63  , clause( 18119, [ ssList( skaf47( X, Y ) ) ] )
% 2.23/2.63  , clause( 18120, [ ssList( skaf46( X, Y ) ) ] )
% 2.23/2.63  , clause( 18121, [ ssList( skaf45( X, Y ) ) ] )
% 2.23/2.63  , clause( 18122, [ ssList( skaf43( X, Y ) ) ] )
% 2.23/2.63  , clause( 18123, [ ssList( skaf42( X, Y ) ) ] )
% 2.23/2.63  , clause( 18124, [ ~( =( skac3, skac2 ) ) ] )
% 2.23/2.63  , clause( 18125, [ ~( ssItem( X ) ), geq( X, X ) ] )
% 2.23/2.63  , clause( 18126, [ ~( ssList( X ) ), segmentP( X, nil ) ] )
% 2.23/2.63  , clause( 18127, [ ~( ssList( X ) ), segmentP( X, X ) ] )
% 2.23/2.63  , clause( 18128, [ ~( ssList( X ) ), rearsegP( X, nil ) ] )
% 2.23/2.63  , clause( 18129, [ ~( ssList( X ) ), rearsegP( X, X ) ] )
% 2.23/2.63  , clause( 18130, [ ~( ssList( X ) ), frontsegP( X, nil ) ] )
% 2.23/2.63  , clause( 18131, [ ~( ssList( X ) ), frontsegP( X, X ) ] )
% 2.23/2.63  , clause( 18132, [ ~( ssItem( X ) ), leq( X, X ) ] )
% 2.23/2.63  , clause( 18133, [ ~( lt( X, X ) ), ~( ssItem( X ) ) ] )
% 2.23/2.63  , clause( 18134, [ ~( ssItem( X ) ), equalelemsP( cons( X, nil ) ) ] )
% 2.23/2.63  , clause( 18135, [ ~( ssItem( X ) ), duplicatefreeP( cons( X, nil ) ) ] )
% 2.23/2.63  , clause( 18136, [ ~( ssItem( X ) ), strictorderedP( cons( X, nil ) ) ] )
% 2.23/2.63  , clause( 18137, [ ~( ssItem( X ) ), totalorderedP( cons( X, nil ) ) ] )
% 2.23/2.63  , clause( 18138, [ ~( ssItem( X ) ), strictorderP( cons( X, nil ) ) ] )
% 2.23/2.63  , clause( 18139, [ ~( ssItem( X ) ), totalorderP( cons( X, nil ) ) ] )
% 2.23/2.63  , clause( 18140, [ ~( ssItem( X ) ), cyclefreeP( cons( X, nil ) ) ] )
% 2.23/2.63  , clause( 18141, [ ~( memberP( nil, X ) ), ~( ssItem( X ) ) ] )
% 2.23/2.63  , clause( 18142, [ ~( ssList( X ) ), duplicatefreeP( X ), ssItem( Y ) ] )
% 2.23/2.63  , clause( 18143, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.23/2.63  , clause( 18144, [ ~( ssList( X ) ), =( app( nil, X ), X ) ] )
% 2.23/2.63  , clause( 18145, [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ] )
% 2.23/2.63  , clause( 18146, [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ] )
% 2.23/2.63  , clause( 18147, [ ~( ssList( X ) ), ssList( tl( X ) ), =( nil, X ) ] )
% 2.23/2.63  , clause( 18148, [ ~( ssList( X ) ), ssItem( hd( X ) ), =( nil, X ) ] )
% 2.23/2.63  , clause( 18149, [ ~( =( nil, X ) ), ~( ssList( X ) ), segmentP( nil, X ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18150, [ ~( segmentP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18151, [ ~( =( nil, X ) ), ~( ssList( X ) ), rearsegP( nil, X ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18152, [ ~( rearsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18153, [ ~( =( nil, X ) ), ~( ssList( X ) ), frontsegP( nil, X )
% 2.23/2.63     ] )
% 2.23/2.63  , clause( 18154, [ ~( frontsegP( nil, X ) ), ~( ssList( X ) ), =( nil, X )
% 2.23/2.63     ] )
% 2.23/2.63  , clause( 18155, [ ~( ssList( X ) ), ~( ssList( Y ) ), ssList( app( Y, X )
% 2.23/2.63     ) ] )
% 2.23/2.63  , clause( 18156, [ ~( ssItem( X ) ), ~( ssList( Y ) ), ssList( cons( X, Y )
% 2.23/2.63     ) ] )
% 2.23/2.63  , clause( 18157, [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf50( X ), 
% 2.23/2.63    skaf49( X ) ) ] )
% 2.23/2.63  , clause( 18158, [ ~( ssList( X ) ), cyclefreeP( X ), leq( skaf49( X ), 
% 2.23/2.63    skaf50( X ) ) ] )
% 2.23/2.63  , clause( 18159, [ ~( =( skaf79( X ), skaf78( X ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    equalelemsP( X ) ] )
% 2.23/2.63  , clause( 18160, [ ~( lt( skaf69( X ), skaf70( X ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    strictorderedP( X ) ] )
% 2.23/2.63  , clause( 18161, [ ~( leq( skaf64( X ), skaf65( X ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    totalorderedP( X ) ] )
% 2.23/2.63  , clause( 18162, [ ~( lt( skaf60( X ), skaf59( X ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    strictorderP( X ) ] )
% 2.23/2.63  , clause( 18163, [ ~( lt( skaf59( X ), skaf60( X ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    strictorderP( X ) ] )
% 2.23/2.63  , clause( 18164, [ ~( leq( skaf55( X ), skaf54( X ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    totalorderP( X ) ] )
% 2.23/2.63  , clause( 18165, [ ~( leq( skaf54( X ), skaf55( X ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    totalorderP( X ) ] )
% 2.23/2.63  , clause( 18166, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( tl( cons( X, Y )
% 2.23/2.63     ), Y ) ] )
% 2.23/2.63  , clause( 18167, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( hd( cons( X, Y )
% 2.23/2.63     ), X ) ] )
% 2.23/2.63  , clause( 18168, [ ~( =( cons( X, Y ), nil ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.23/2.63    Y ) ) ] )
% 2.23/2.63  , clause( 18169, [ ~( =( cons( X, Y ), Y ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.23/2.63    Y ) ) ] )
% 2.23/2.63  , clause( 18170, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X
% 2.23/2.63     ) ] )
% 2.23/2.63  , clause( 18171, [ ~( singletonP( X ) ), ~( ssList( X ) ), =( cons( skaf44( 
% 2.23/2.63    X ), nil ), X ) ] )
% 2.23/2.63  , clause( 18172, [ ~( ssItem( X ) ), ~( ssItem( Y ) ), neq( Y, X ), =( Y, X
% 2.23/2.63     ) ] )
% 2.23/2.63  , clause( 18173, [ ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( 
% 2.23/2.63    X, Y ) ] )
% 2.23/2.63  , clause( 18174, [ ~( ssList( X ) ), =( cons( hd( X ), tl( X ) ), X ), =( 
% 2.23/2.63    nil, X ) ] )
% 2.23/2.63  , clause( 18175, [ ~( gt( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( 
% 2.23/2.63    Y, X ) ] )
% 2.23/2.63  , clause( 18176, [ ~( lt( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), gt( 
% 2.23/2.63    Y, X ) ] )
% 2.23/2.63  , clause( 18177, [ ~( geq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), 
% 2.23/2.63    leq( Y, X ) ] )
% 2.23/2.63  , clause( 18178, [ ~( leq( X, Y ) ), ~( ssItem( X ) ), ~( ssItem( Y ) ), 
% 2.23/2.63    geq( Y, X ) ] )
% 2.23/2.63  , clause( 18179, [ ~( ssList( X ) ), =( cons( skaf83( X ), skaf82( X ) ), X
% 2.23/2.63     ), =( nil, X ) ] )
% 2.23/2.63  , clause( 18180, [ ~( gt( X, Y ) ), ~( gt( Y, X ) ), ~( ssItem( X ) ), ~( 
% 2.23/2.63    ssItem( Y ) ) ] )
% 2.23/2.63  , clause( 18181, [ ~( =( X, Y ) ), ~( lt( X, Y ) ), ~( ssItem( Y ) ), ~( 
% 2.23/2.63    ssItem( X ) ) ] )
% 2.23/2.63  , clause( 18182, [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), 
% 2.23/2.63    strictorderedP( cons( Y, X ) ) ] )
% 2.23/2.63  , clause( 18183, [ ~( =( nil, X ) ), ~( ssList( X ) ), ~( ssItem( Y ) ), 
% 2.23/2.63    totalorderedP( cons( Y, X ) ) ] )
% 2.23/2.63  , clause( 18184, [ ~( lt( X, Y ) ), ~( lt( Y, X ) ), ~( ssItem( X ) ), ~( 
% 2.23/2.63    ssItem( Y ) ) ] )
% 2.23/2.63  , clause( 18185, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssList( Y ) ), ~( 
% 2.23/2.63    ssList( X ) ) ] )
% 2.23/2.63  , clause( 18186, [ ~( =( cons( X, nil ), Y ) ), ~( ssItem( X ) ), ~( ssList( 
% 2.23/2.63    Y ) ), singletonP( Y ) ] )
% 2.23/2.63  , clause( 18187, [ ~( =( X, Y ) ), ~( neq( X, Y ) ), ~( ssItem( Y ) ), ~( 
% 2.23/2.63    ssItem( X ) ) ] )
% 2.23/2.63  , clause( 18188, [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( 
% 2.23/2.63    X ) ), =( nil, X ) ] )
% 2.23/2.63  , clause( 18189, [ ~( =( app( X, Y ), nil ) ), ~( ssList( Y ) ), ~( ssList( 
% 2.23/2.63    X ) ), =( nil, Y ) ] )
% 2.23/2.63  , clause( 18190, [ ~( ssItem( X ) ), ~( ssList( Y ) ), =( app( cons( X, nil
% 2.23/2.63     ), Y ), cons( X, Y ) ) ] )
% 2.23/2.63  , clause( 18191, [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( 
% 2.23/2.63    X, Y ), =( X, Y ) ] )
% 2.23/2.63  , clause( 18192, [ ~( leq( X, Y ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), lt( 
% 2.23/2.63    X, Y ), =( X, Y ) ] )
% 2.23/2.63  , clause( 18193, [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( hd( 
% 2.23/2.63    app( Y, X ) ), hd( Y ) ) ] )
% 2.23/2.63  , clause( 18194, [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.23/2.63    ~( ssItem( X ) ), strictorderedP( Y ), =( nil, Y ) ] )
% 2.23/2.63  , clause( 18195, [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.23/2.63    ~( ssItem( X ) ), totalorderedP( Y ), =( nil, Y ) ] )
% 2.23/2.63  , clause( 18196, [ ~( geq( X, Y ) ), ~( geq( Y, X ) ), ~( ssItem( X ) ), 
% 2.23/2.63    ~( ssItem( Y ) ), =( Y, X ) ] )
% 2.23/2.63  , clause( 18197, [ ~( segmentP( X, Y ) ), ~( segmentP( Y, X ) ), ~( ssList( 
% 2.23/2.63    X ) ), ~( ssList( Y ) ), =( Y, X ) ] )
% 2.23/2.63  , clause( 18198, [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, X ) ), ~( ssList( 
% 2.23/2.63    X ) ), ~( ssList( Y ) ), =( Y, X ) ] )
% 2.23/2.63  , clause( 18199, [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, X ) ), ~( 
% 2.23/2.63    ssList( X ) ), ~( ssList( Y ) ), =( Y, X ) ] )
% 2.23/2.63  , clause( 18200, [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( ssItem( X ) ), 
% 2.23/2.63    ~( ssItem( Y ) ), =( Y, X ) ] )
% 2.23/2.63  , clause( 18201, [ ~( rearsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.23/2.63     ), =( app( skaf46( X, Y ), Y ), X ) ] )
% 2.23/2.63  , clause( 18202, [ ~( frontsegP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.23/2.63     ), =( app( Y, skaf45( X, Y ) ), X ) ] )
% 2.23/2.63  , clause( 18203, [ ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( tl( 
% 2.23/2.63    app( Y, X ) ), app( tl( Y ), X ) ) ] )
% 2.23/2.63  , clause( 18204, [ ~( strictorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.23/2.63    ~( ssItem( X ) ), lt( X, hd( Y ) ), =( nil, Y ) ] )
% 2.23/2.63  , clause( 18205, [ ~( totalorderedP( cons( X, Y ) ) ), ~( ssList( Y ) ), 
% 2.23/2.63    ~( ssItem( X ) ), leq( X, hd( Y ) ), =( nil, Y ) ] )
% 2.23/2.63  , clause( 18206, [ ~( rearsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y )
% 2.23/2.63     ), ~( ssList( X ) ), rearsegP( app( Z, X ), Y ) ] )
% 2.23/2.63  , clause( 18207, [ ~( frontsegP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( Y )
% 2.23/2.63     ), ~( ssList( X ) ), frontsegP( app( X, Z ), Y ) ] )
% 2.23/2.63  , clause( 18208, [ ~( =( X, Y ) ), ~( ssList( Z ) ), ~( ssItem( Y ) ), ~( 
% 2.23/2.63    ssItem( X ) ), memberP( cons( Y, Z ), X ) ] )
% 2.23/2.63  , clause( 18209, [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssItem( Z ) )
% 2.23/2.63    , ~( ssItem( Y ) ), memberP( cons( Z, X ), Y ) ] )
% 2.23/2.63  , clause( 18210, [ ~( memberP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( X ) )
% 2.23/2.63    , ~( ssItem( Y ) ), memberP( app( X, Z ), Y ) ] )
% 2.23/2.63  , clause( 18211, [ ~( memberP( X, Y ) ), ~( ssList( X ) ), ~( ssList( Z ) )
% 2.23/2.63    , ~( ssItem( Y ) ), memberP( app( Z, X ), Y ) ] )
% 2.23/2.63  , clause( 18212, [ ~( ssList( X ) ), equalelemsP( X ), =( app( skaf80( X )
% 2.23/2.63    , cons( skaf78( X ), cons( skaf79( X ), skaf81( X ) ) ) ), X ) ] )
% 2.23/2.63  , clause( 18213, [ ~( =( app( X, Y ), Z ) ), ~( ssList( X ) ), ~( ssList( Y
% 2.23/2.63     ) ), ~( ssList( Z ) ), rearsegP( Z, Y ) ] )
% 2.23/2.63  , clause( 18214, [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X
% 2.23/2.63     ) ), ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.23/2.63  , clause( 18215, [ ~( =( nil, X ) ), ~( =( nil, Y ) ), ~( ssList( Y ) ), 
% 2.23/2.63    ~( ssList( X ) ), =( app( X, Y ), nil ) ] )
% 2.23/2.63  , clause( 18216, [ ~( gt( X, Y ) ), ~( gt( Y, Z ) ), ~( ssItem( Z ) ), ~( 
% 2.23/2.63    ssItem( Y ) ), ~( ssItem( X ) ), gt( X, Z ) ] )
% 2.23/2.63  , clause( 18217, [ ~( leq( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( 
% 2.23/2.63    ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Z ) ] )
% 2.23/2.63  , clause( 18218, [ ~( geq( X, Y ) ), ~( geq( Y, Z ) ), ~( ssItem( Z ) ), 
% 2.23/2.63    ~( ssItem( Y ) ), ~( ssItem( X ) ), geq( X, Z ) ] )
% 2.23/2.63  , clause( 18219, [ ~( ssList( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), 
% 2.23/2.63    =( app( app( Z, Y ), X ), app( Z, app( Y, X ) ) ) ] )
% 2.23/2.63  , clause( 18220, [ ~( =( app( X, Y ), app( X, Z ) ) ), ~( ssList( Y ) ), 
% 2.23/2.63    ~( ssList( X ) ), ~( ssList( Z ) ), =( Y, Z ) ] )
% 2.23/2.63  , clause( 18221, [ ~( =( app( X, Y ), app( Z, Y ) ) ), ~( ssList( X ) ), 
% 2.23/2.63    ~( ssList( Y ) ), ~( ssList( Z ) ), =( X, Z ) ] )
% 2.23/2.63  , clause( 18222, [ ~( segmentP( X, Y ) ), ~( segmentP( Y, Z ) ), ~( ssList( 
% 2.23/2.63    Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), segmentP( X, Z ) ] )
% 2.23/2.63  , clause( 18223, [ ~( rearsegP( X, Y ) ), ~( rearsegP( Y, Z ) ), ~( ssList( 
% 2.23/2.63    Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), rearsegP( X, Z ) ] )
% 2.23/2.63  , clause( 18224, [ ~( frontsegP( X, Y ) ), ~( frontsegP( Y, Z ) ), ~( 
% 2.23/2.63    ssList( Z ) ), ~( ssList( Y ) ), ~( ssList( X ) ), frontsegP( X, Z ) ] )
% 2.23/2.63  , clause( 18225, [ ~( lt( X, Y ) ), ~( lt( Y, Z ) ), ~( ssItem( Z ) ), ~( 
% 2.23/2.63    ssItem( Y ) ), ~( ssItem( X ) ), lt( X, Z ) ] )
% 2.23/2.63  , clause( 18226, [ ~( leq( X, Y ) ), ~( leq( Y, Z ) ), ~( ssItem( Z ) ), 
% 2.23/2.63    ~( ssItem( Y ) ), ~( ssItem( X ) ), leq( X, Z ) ] )
% 2.23/2.63  , clause( 18227, [ ~( ssItem( X ) ), ~( ssList( Y ) ), ~( ssList( Z ) ), 
% 2.23/2.63    =( cons( X, app( Y, Z ) ), app( cons( X, Y ), Z ) ) ] )
% 2.23/2.63  , clause( 18228, [ ~( memberP( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( 
% 2.23/2.63    ssList( X ) ), ~( ssItem( Z ) ), memberP( Y, Z ), memberP( X, Z ) ] )
% 2.23/2.63  , clause( 18229, [ ~( leq( X, hd( Y ) ) ), ~( totalorderedP( Y ) ), ~( 
% 2.23/2.63    ssList( Y ) ), ~( ssItem( X ) ), totalorderedP( cons( X, Y ) ), =( nil, Y
% 2.23/2.63     ) ] )
% 2.23/2.63  , clause( 18230, [ ~( lt( X, hd( Y ) ) ), ~( strictorderedP( Y ) ), ~( 
% 2.23/2.63    ssList( Y ) ), ~( ssItem( X ) ), strictorderedP( cons( X, Y ) ), =( nil, 
% 2.23/2.63    Y ) ] )
% 2.23/2.63  , clause( 18231, [ ~( memberP( cons( X, Y ), Z ) ), ~( ssList( Y ) ), ~( 
% 2.23/2.63    ssItem( X ) ), ~( ssItem( Z ) ), memberP( Y, Z ), =( Z, X ) ] )
% 2.23/2.63  , clause( 18232, [ ~( ssList( X ) ), duplicatefreeP( X ), =( app( app( 
% 2.23/2.63    skaf75( X ), cons( skaf74( X ), skaf76( X ) ) ), cons( skaf74( X ), 
% 2.23/2.63    skaf77( X ) ) ), X ) ] )
% 2.23/2.63  , clause( 18233, [ ~( ssList( X ) ), strictorderedP( X ), =( app( app( 
% 2.23/2.63    skaf71( X ), cons( skaf69( X ), skaf72( X ) ) ), cons( skaf70( X ), 
% 2.23/2.63    skaf73( X ) ) ), X ) ] )
% 2.23/2.63  , clause( 18234, [ ~( ssList( X ) ), totalorderedP( X ), =( app( app( 
% 2.23/2.63    skaf66( X ), cons( skaf64( X ), skaf67( X ) ) ), cons( skaf65( X ), 
% 2.23/2.63    skaf68( X ) ) ), X ) ] )
% 2.23/2.63  , clause( 18235, [ ~( ssList( X ) ), strictorderP( X ), =( app( app( skaf61( 
% 2.23/2.63    X ), cons( skaf59( X ), skaf62( X ) ) ), cons( skaf60( X ), skaf63( X ) )
% 2.23/2.63     ), X ) ] )
% 2.23/2.63  , clause( 18236, [ ~( ssList( X ) ), totalorderP( X ), =( app( app( skaf56( 
% 2.23/2.63    X ), cons( skaf54( X ), skaf57( X ) ) ), cons( skaf55( X ), skaf58( X ) )
% 2.23/2.63     ), X ) ] )
% 2.23/2.63  , clause( 18237, [ ~( ssList( X ) ), cyclefreeP( X ), =( app( app( skaf51( 
% 2.23/2.63    X ), cons( skaf49( X ), skaf52( X ) ) ), cons( skaf50( X ), skaf53( X ) )
% 2.23/2.63     ), X ) ] )
% 2.23/2.63  , clause( 18238, [ ~( segmentP( X, Y ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.23/2.63     ), =( app( app( skaf47( X, Y ), Y ), skaf48( Y, X ) ), X ) ] )
% 2.23/2.63  , clause( 18239, [ ~( memberP( X, Y ) ), ~( ssItem( Y ) ), ~( ssList( X ) )
% 2.23/2.63    , =( app( skaf42( X, Y ), cons( Y, skaf43( Y, X ) ) ), X ) ] )
% 2.23/2.63  , clause( 18240, [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), 
% 2.23/2.63    ~( ssItem( X ) ), ~( ssList( T ) ), ~( ssList( Y ) ), =( X, Z ) ] )
% 2.23/2.63  , clause( 18241, [ ~( =( cons( X, Y ), cons( Z, T ) ) ), ~( ssItem( Z ) ), 
% 2.23/2.63    ~( ssItem( X ) ), ~( ssList( T ) ), ~( ssList( Y ) ), =( T, Y ) ] )
% 2.23/2.63  , clause( 18242, [ ~( segmentP( X, Y ) ), ~( ssList( Z ) ), ~( ssList( T )
% 2.23/2.63     ), ~( ssList( Y ) ), ~( ssList( X ) ), segmentP( app( app( T, X ), Z ), 
% 2.23/2.63    Y ) ] )
% 2.23/2.63  , clause( 18243, [ ~( =( app( app( X, Y ), Z ), T ) ), ~( ssList( Z ) ), 
% 2.23/2.63    ~( ssList( X ) ), ~( ssList( Y ) ), ~( ssList( T ) ), segmentP( T, Y ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18244, [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( 
% 2.23/2.63    T ) ), ~( ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), frontsegP( Y
% 2.23/2.63    , T ) ] )
% 2.23/2.63  , clause( 18245, [ ~( =( app( X, cons( Y, Z ) ), T ) ), ~( ssList( Z ) ), 
% 2.23/2.63    ~( ssList( X ) ), ~( ssItem( Y ) ), ~( ssList( T ) ), memberP( T, Y ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18246, [ ~( frontsegP( cons( X, Y ), cons( Z, T ) ) ), ~( ssList( 
% 2.23/2.63    T ) ), ~( ssList( Y ) ), ~( ssItem( Z ) ), ~( ssItem( X ) ), =( X, Z ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18247, [ ~( =( tl( X ), tl( Y ) ) ), ~( =( hd( X ), hd( Y ) ) ), 
% 2.23/2.63    ~( ssList( X ) ), ~( ssList( Y ) ), =( nil, Y ), =( X, Y ), =( nil, X ) ]
% 2.23/2.63     )
% 2.23/2.63  , clause( 18248, [ ~( frontsegP( X, Y ) ), ~( =( Z, T ) ), ~( ssList( Y ) )
% 2.23/2.63    , ~( ssList( X ) ), ~( ssItem( T ) ), ~( ssItem( Z ) ), frontsegP( cons( 
% 2.23/2.63    Z, X ), cons( T, Y ) ) ] )
% 2.23/2.63  , clause( 18249, [ ~( =( app( app( X, cons( Y, Z ) ), cons( Y, T ) ), U ) )
% 2.23/2.63    , ~( ssList( T ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( Y ) )
% 2.23/2.63    , ~( duplicatefreeP( U ) ), ~( ssList( U ) ) ] )
% 2.23/2.63  , clause( 18250, [ ~( =( app( X, cons( Y, cons( Z, T ) ) ), U ) ), ~( 
% 2.23/2.63    ssList( T ) ), ~( ssList( X ) ), ~( ssItem( Z ) ), ~( ssItem( Y ) ), ~( 
% 2.23/2.63    equalelemsP( U ) ), ~( ssList( U ) ), =( Y, Z ) ] )
% 2.23/2.63  , clause( 18251, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.23/2.63    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.23/2.63    , ~( ssItem( Y ) ), ~( strictorderedP( W ) ), ~( ssList( W ) ), lt( Y, T
% 2.23/2.63     ) ] )
% 2.23/2.63  , clause( 18252, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.23/2.63    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.23/2.63    , ~( ssItem( Y ) ), ~( totalorderedP( W ) ), ~( ssList( W ) ), leq( Y, T
% 2.23/2.63     ) ] )
% 2.23/2.63  , clause( 18253, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.23/2.63    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.23/2.63    , ~( ssItem( Y ) ), ~( strictorderP( W ) ), ~( ssList( W ) ), lt( Y, T )
% 2.23/2.63    , lt( T, Y ) ] )
% 2.23/2.63  , clause( 18254, [ ~( =( app( app( X, cons( Y, Z ) ), cons( T, U ) ), W ) )
% 2.23/2.63    , ~( ssList( U ) ), ~( ssList( Z ) ), ~( ssList( X ) ), ~( ssItem( T ) )
% 2.23/2.63    , ~( ssItem( Y ) ), ~( totalorderP( W ) ), ~( ssList( W ) ), leq( Y, T )
% 2.23/2.63    , leq( T, Y ) ] )
% 2.23/2.63  , clause( 18255, [ ~( leq( X, Y ) ), ~( leq( Y, X ) ), ~( =( app( app( Z, 
% 2.23/2.63    cons( X, T ) ), cons( Y, U ) ), W ) ), ~( ssList( U ) ), ~( ssList( T ) )
% 2.23/2.63    , ~( ssList( Z ) ), ~( ssItem( Y ) ), ~( ssItem( X ) ), ~( cyclefreeP( W
% 2.23/2.63     ) ), ~( ssList( W ) ) ] )
% 2.23/2.63  , clause( 18256, [ ssList( sk1 ) ] )
% 2.23/2.63  , clause( 18257, [ ssList( sk2 ) ] )
% 2.23/2.63  , clause( 18258, [ ssList( sk3 ) ] )
% 2.23/2.63  , clause( 18259, [ ssList( sk4 ) ] )
% 2.23/2.63  , clause( 18260, [ =( sk2, sk4 ) ] )
% 2.23/2.63  , clause( 18261, [ =( sk1, sk3 ) ] )
% 2.23/2.63  , clause( 18262, [ ~( frontsegP( sk2, sk1 ) ) ] )
% 2.23/2.63  , clause( 18263, [ =( nil, sk3 ), ~( =( nil, sk4 ) ) ] )
% 2.23/2.63  , clause( 18264, [ ~( neq( sk4, nil ) ), neq( sk3, nil ) ] )
% 2.23/2.63  , clause( 18265, [ ~( neq( sk4, nil ) ), frontsegP( sk4, sk3 ) ] )
% 2.23/2.63  ] ).
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  
% 2.23/2.63  subsumption(
% 2.23/2.63  clause( 7, [ ssList( nil ) ] )
% 2.23/2.63  , clause( 18078, [ ssList( nil ) ] )
% 2.23/2.63  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 48, [ ssList( skaf47( X, Y ) ) ] )
% 2.23/2.67  , clause( 18119, [ ssList( skaf47( X, Y ) ) ] )
% 2.23/2.67  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.23/2.67     )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 72, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.23/2.67  , clause( 18143, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.23/2.67  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.23/2.67    1 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 97, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X ) ]
% 2.23/2.67     )
% 2.23/2.67  , clause( 18170, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X
% 2.23/2.67     ) ] )
% 2.23/2.67  , substitution( 0, [ :=( X, X ), :=( Y, Y )] ), permutation( 0, [ ==>( 0, 0
% 2.23/2.67     ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 140, [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X ) )
% 2.23/2.67    , ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.23/2.67  , clause( 18214, [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X
% 2.23/2.67     ) ), ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.23/2.67  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.23/2.67    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 ), 
% 2.23/2.67    ==>( 4, 4 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 146, [ ~( =( app( X, Y ), app( X, Z ) ) ), ~( ssList( Y ) ), ~( 
% 2.23/2.67    ssList( X ) ), ~( ssList( Z ) ), =( Y, Z ) ] )
% 2.23/2.67  , clause( 18220, [ ~( =( app( X, Y ), app( X, Z ) ) ), ~( ssList( Y ) ), 
% 2.23/2.67    ~( ssList( X ) ), ~( ssList( Z ) ), =( Y, Z ) ] )
% 2.23/2.67  , substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] ), 
% 2.23/2.67    permutation( 0, [ ==>( 0, 0 ), ==>( 1, 1 ), ==>( 2, 2 ), ==>( 3, 3 ), 
% 2.23/2.67    ==>( 4, 4 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 182, [ ssList( sk1 ) ] )
% 2.23/2.67  , clause( 18256, [ ssList( sk1 ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 183, [ ssList( sk2 ) ] )
% 2.23/2.67  , clause( 18257, [ ssList( sk2 ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  eqswap(
% 2.23/2.67  clause( 20873, [ =( sk4, sk2 ) ] )
% 2.23/2.67  , clause( 18260, [ =( sk2, sk4 ) ] )
% 2.23/2.67  , 0, substitution( 0, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 186, [ =( sk4, sk2 ) ] )
% 2.23/2.67  , clause( 20873, [ =( sk4, sk2 ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  eqswap(
% 2.23/2.67  clause( 21632, [ =( sk3, sk1 ) ] )
% 2.23/2.67  , clause( 18261, [ =( sk1, sk3 ) ] )
% 2.23/2.67  , 0, substitution( 0, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 187, [ =( sk3, sk1 ) ] )
% 2.23/2.67  , clause( 21632, [ =( sk3, sk1 ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 188, [ ~( frontsegP( sk2, sk1 ) ) ] )
% 2.23/2.67  , clause( 18262, [ ~( frontsegP( sk2, sk1 ) ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  paramod(
% 2.23/2.67  clause( 23549, [ =( nil, sk1 ), ~( =( nil, sk4 ) ) ] )
% 2.23/2.67  , clause( 187, [ =( sk3, sk1 ) ] )
% 2.23/2.67  , 0, clause( 18263, [ =( nil, sk3 ), ~( =( nil, sk4 ) ) ] )
% 2.23/2.67  , 0, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  paramod(
% 2.23/2.67  clause( 23550, [ ~( =( nil, sk2 ) ), =( nil, sk1 ) ] )
% 2.23/2.67  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.23/2.67  , 0, clause( 23549, [ =( nil, sk1 ), ~( =( nil, sk4 ) ) ] )
% 2.23/2.67  , 1, 3, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 189, [ =( nil, sk1 ), ~( =( nil, sk2 ) ) ] )
% 2.23/2.67  , clause( 23550, [ ~( =( nil, sk2 ) ), =( nil, sk1 ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 2.23/2.67     ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  paramod(
% 2.23/2.67  clause( 24916, [ frontsegP( sk2, sk3 ), ~( neq( sk4, nil ) ) ] )
% 2.23/2.67  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.23/2.67  , 0, clause( 18265, [ ~( neq( sk4, nil ) ), frontsegP( sk4, sk3 ) ] )
% 2.23/2.67  , 1, 1, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  paramod(
% 2.23/2.67  clause( 24918, [ ~( neq( sk2, nil ) ), frontsegP( sk2, sk3 ) ] )
% 2.23/2.67  , clause( 186, [ =( sk4, sk2 ) ] )
% 2.23/2.67  , 0, clause( 24916, [ frontsegP( sk2, sk3 ), ~( neq( sk4, nil ) ) ] )
% 2.23/2.67  , 1, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  paramod(
% 2.23/2.67  clause( 24919, [ frontsegP( sk2, sk1 ), ~( neq( sk2, nil ) ) ] )
% 2.23/2.67  , clause( 187, [ =( sk3, sk1 ) ] )
% 2.23/2.67  , 0, clause( 24918, [ ~( neq( sk2, nil ) ), frontsegP( sk2, sk3 ) ] )
% 2.23/2.67  , 1, 2, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  resolution(
% 2.23/2.67  clause( 24920, [ ~( neq( sk2, nil ) ) ] )
% 2.23/2.67  , clause( 188, [ ~( frontsegP( sk2, sk1 ) ) ] )
% 2.23/2.67  , 0, clause( 24919, [ frontsegP( sk2, sk1 ), ~( neq( sk2, nil ) ) ] )
% 2.23/2.67  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 191, [ ~( neq( sk2, nil ) ) ] )
% 2.23/2.67  , clause( 24920, [ ~( neq( sk2, nil ) ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  eqswap(
% 2.23/2.67  clause( 24921, [ =( Y, X ), ~( ssList( Y ) ), ~( ssList( X ) ), neq( X, Y )
% 2.23/2.67     ] )
% 2.23/2.67  , clause( 97, [ ~( ssList( X ) ), ~( ssList( Y ) ), neq( Y, X ), =( Y, X )
% 2.23/2.67     ] )
% 2.23/2.67  , 3, substitution( 0, [ :=( X, Y ), :=( Y, X )] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  resolution(
% 2.23/2.67  clause( 24922, [ =( nil, sk2 ), ~( ssList( nil ) ), ~( ssList( sk2 ) ) ] )
% 2.23/2.67  , clause( 191, [ ~( neq( sk2, nil ) ) ] )
% 2.23/2.67  , 0, clause( 24921, [ =( Y, X ), ~( ssList( Y ) ), ~( ssList( X ) ), neq( X
% 2.23/2.67    , Y ) ] )
% 2.23/2.67  , 3, substitution( 0, [] ), substitution( 1, [ :=( X, sk2 ), :=( Y, nil )] )
% 2.23/2.67    ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  resolution(
% 2.23/2.67  clause( 24923, [ =( nil, sk2 ), ~( ssList( sk2 ) ) ] )
% 2.23/2.67  , clause( 24922, [ =( nil, sk2 ), ~( ssList( nil ) ), ~( ssList( sk2 ) ) ]
% 2.23/2.67     )
% 2.23/2.67  , 1, clause( 7, [ ssList( nil ) ] )
% 2.23/2.67  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 3143, [ ~( ssList( sk2 ) ), =( nil, sk2 ) ] )
% 2.23/2.67  , clause( 24923, [ =( nil, sk2 ), ~( ssList( sk2 ) ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 0 )] )
% 2.23/2.67     ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  resolution(
% 2.23/2.67  clause( 24926, [ =( nil, sk2 ) ] )
% 2.23/2.67  , clause( 3143, [ ~( ssList( sk2 ) ), =( nil, sk2 ) ] )
% 2.23/2.67  , 0, clause( 183, [ ssList( sk2 ) ] )
% 2.23/2.67  , 0, substitution( 0, [] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 3763, [ =( nil, sk2 ) ] )
% 2.23/2.67  , clause( 24926, [ =( nil, sk2 ) ] )
% 2.23/2.67  , substitution( 0, [] ), permutation( 0, [ ==>( 0, 0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  eqswap(
% 2.23/2.67  clause( 24929, [ =( X, app( X, nil ) ), ~( ssList( X ) ) ] )
% 2.23/2.67  , clause( 72, [ ~( ssList( X ) ), =( app( X, nil ), X ) ] )
% 2.23/2.67  , 1, substitution( 0, [ :=( X, X )] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  paramod(
% 2.23/2.67  clause( 24930, [ =( X, app( X, sk2 ) ), ~( ssList( X ) ) ] )
% 2.23/2.67  , clause( 3763, [ =( nil, sk2 ) ] )
% 2.23/2.67  , 0, clause( 24929, [ =( X, app( X, nil ) ), ~( ssList( X ) ) ] )
% 2.23/2.67  , 0, 4, substitution( 0, [] ), substitution( 1, [ :=( X, X )] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  eqswap(
% 2.23/2.67  clause( 24931, [ =( app( X, sk2 ), X ), ~( ssList( X ) ) ] )
% 2.23/2.67  , clause( 24930, [ =( X, app( X, sk2 ) ), ~( ssList( X ) ) ] )
% 2.23/2.67  , 0, substitution( 0, [ :=( X, X )] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 3838, [ ~( ssList( X ) ), =( app( X, sk2 ), X ) ] )
% 2.23/2.67  , clause( 24931, [ =( app( X, sk2 ), X ), ~( ssList( X ) ) ] )
% 2.23/2.67  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 1 ), ==>( 1, 
% 2.23/2.67    0 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  eqswap(
% 2.23/2.67  clause( 24932, [ ~( =( Z, app( X, Y ) ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.23/2.67     ), ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.23/2.67  , clause( 140, [ ~( =( app( X, Y ), Z ) ), ~( ssList( Y ) ), ~( ssList( X )
% 2.23/2.67     ), ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.23/2.67  , 0, substitution( 0, [ :=( X, X ), :=( Y, Y ), :=( Z, Z )] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  resolution(
% 2.23/2.67  clause( 24933, [ ~( =( sk2, app( sk1, X ) ) ), ~( ssList( X ) ), ~( ssList( 
% 2.23/2.67    sk1 ) ), ~( ssList( sk2 ) ) ] )
% 2.23/2.67  , clause( 188, [ ~( frontsegP( sk2, sk1 ) ) ] )
% 2.23/2.67  , 0, clause( 24932, [ ~( =( Z, app( X, Y ) ) ), ~( ssList( Y ) ), ~( ssList( 
% 2.23/2.67    X ) ), ~( ssList( Z ) ), frontsegP( Z, X ) ] )
% 2.23/2.67  , 4, substitution( 0, [] ), substitution( 1, [ :=( X, sk1 ), :=( Y, X ), 
% 2.23/2.67    :=( Z, sk2 )] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  resolution(
% 2.23/2.67  clause( 24940, [ ~( =( sk2, app( sk1, X ) ) ), ~( ssList( X ) ), ~( ssList( 
% 2.23/2.67    sk2 ) ) ] )
% 2.23/2.67  , clause( 24933, [ ~( =( sk2, app( sk1, X ) ) ), ~( ssList( X ) ), ~( 
% 2.23/2.67    ssList( sk1 ) ), ~( ssList( sk2 ) ) ] )
% 2.23/2.67  , 2, clause( 182, [ ssList( sk1 ) ] )
% 2.23/2.67  , 0, substitution( 0, [ :=( X, X )] ), substitution( 1, [] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  eqswap(
% 2.23/2.67  clause( 24941, [ ~( =( app( sk1, X ), sk2 ) ), ~( ssList( X ) ), ~( ssList( 
% 2.23/2.67    sk2 ) ) ] )
% 2.23/2.67  , clause( 24940, [ ~( =( sk2, app( sk1, X ) ) ), ~( ssList( X ) ), ~( 
% 2.23/2.67    ssList( sk2 ) ) ] )
% 2.23/2.67  , 0, substitution( 0, [ :=( X, X )] )).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  subsumption(
% 2.23/2.67  clause( 8616, [ ~( =( app( sk1, X ), sk2 ) ), ~( ssList( X ) ), ~( ssList( 
% 2.23/2.67    sk2 ) ) ] )
% 2.23/2.67  , clause( 24941, [ ~( =( app( sk1, X ), sk2 ) ), ~( ssList( X ) ), ~( 
% 2.23/2.67    ssList( sk2 ) ) ] )
% 2.23/2.67  , substitution( 0, [ :=( X, X )] ), permutation( 0, [ ==>( 0, 0 ), ==>( 1, 
% 2.23/2.67    1 ), ==>( 2, 2 )] ) ).
% 2.23/2.67  
% 2.23/2.67  
% 2.23/2.67  factor(
% 2.23/2.67  clause( 24946, [ ~( =( app( sk1, sk2 ), sk2 ) ), ~( ssList( sk2 ) ) ] )
% 2.23/2.67  , clause( 8616, [ ~( =( app( sk1, X ), sk2 ) ), ~( ssList( X ) ), ~( ssList( 
% 2.23/2.67    sk2 ) ) ] )
% 2.23/2.67  , 1, 2, substitutCputime limit exceeded (core dumped)
%------------------------------------------------------------------------------