TSTP Solution File: LCL536+1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL536+1 : TPTP v3.4.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art06.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 1003MB
% OS       : Linux 2.6.17-1.2142_FC4
% CPULimit : 600s
% DateTime : Wed May  6 13:52:19 EDT 2009

% Result   : Theorem 2.5s
% Output   : Refutation 2.5s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   35 (  20 unt;   0 def)
%            Number of atoms       :   73 (   0 equ)
%            Maximal formula atoms :   10 (   2 avg)
%            Number of connectives :   68 (  30   ~;  30   |;   8   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    9 (   7 usr;   7 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   0 con; 1-2 aty)
%            Number of variables   :   28 (   0 sgn   8   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(axiom_5,plain,
    ! [A] :
      ( ( ~ axiom_5
        | is_a_theorem(implies(possibly(A),necessarily(possibly(A)))) )
      & ( axiom_5
        | ~ is_a_theorem(implies(possibly(x(A)),necessarily(possibly(x(A))))) ) ),
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164020096,plain,
    ( ~ axiom_5
    | is_a_theorem(implies(possibly(A),necessarily(possibly(A)))) ),
    inference(rewrite,[status(thm)],[axiom_5]),
    [] ).

fof(km5_axiom_5,plain,
    axiom_5,
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164771976,plain,
    axiom_5,
    inference(rewrite,[status(thm)],[km5_axiom_5]),
    [] ).

cnf(173978608,plain,
    is_a_theorem(implies(possibly(A),necessarily(possibly(A)))),
    inference(resolution,[status(thm)],[164020096,164771976]),
    [] ).

fof(necessitation,plain,
    ! [A] :
      ( ( ~ necessitation
        | ~ is_a_theorem(A)
        | is_a_theorem(necessarily(A)) )
      & ( ~ is_a_theorem(necessarily(x(A)))
        | necessitation )
      & ( is_a_theorem(x(A))
        | necessitation ) ),
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(163605072,plain,
    ( ~ necessitation
    | ~ is_a_theorem(A)
    | is_a_theorem(necessarily(A)) ),
    inference(rewrite,[status(thm)],[necessitation]),
    [] ).

fof(km5_necessitation,plain,
    necessitation,
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164718544,plain,
    necessitation,
    inference(rewrite,[status(thm)],[km5_necessitation]),
    [] ).

cnf(173936720,plain,
    ( ~ is_a_theorem(A)
    | is_a_theorem(necessarily(A)) ),
    inference(resolution,[status(thm)],[163605072,164718544]),
    [] ).

cnf(176065856,plain,
    is_a_theorem(necessarily(implies(possibly(A),necessarily(possibly(A))))),
    inference(resolution,[status(thm)],[173978608,173936720]),
    [] ).

fof(op_strict_implies,plain,
    ! [A,B] :
      ( ~ op_strict_implies
      | $equal(necessarily(implies(A,B)),strict_implies(A,B)) ),
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164665552,plain,
    ( ~ op_strict_implies
    | $equal(necessarily(implies(A,B)),strict_implies(A,B)) ),
    inference(rewrite,[status(thm)],[op_strict_implies]),
    [] ).

fof(s1_0_op_strict_implies,plain,
    op_strict_implies,
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164809144,plain,
    op_strict_implies,
    inference(rewrite,[status(thm)],[s1_0_op_strict_implies]),
    [] ).

cnf(173990072,plain,
    $equal(necessarily(implies(A,B)),strict_implies(A,B)),
    inference(resolution,[status(thm)],[164665552,164809144]),
    [] ).

cnf(177895496,plain,
    is_a_theorem(strict_implies(possibly(A),necessarily(possibly(A)))),
    inference(paramodulation,[status(thm)],[176065856,173990072,theory(equality)]),
    [] ).

cnf(177917648,plain,
    is_a_theorem(necessarily(strict_implies(possibly(A),necessarily(possibly(A))))),
    inference(resolution,[status(thm)],[177895496,173936720]),
    [] ).

fof(axiom_M,plain,
    ! [A] :
      ( ( ~ axiom_m
        | is_a_theorem(implies(necessarily(A),A)) )
      & ( axiom_m
        | ~ is_a_theorem(implies(necessarily(x(A)),x(A))) ) ),
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(163893352,plain,
    ( ~ axiom_m
    | is_a_theorem(implies(necessarily(A),A)) ),
    inference(rewrite,[status(thm)],[axiom_M]),
    [] ).

fof(km5_axiom_M,plain,
    axiom_m,
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164754120,plain,
    axiom_m,
    inference(rewrite,[status(thm)],[km5_axiom_M]),
    [] ).

cnf(173966896,plain,
    is_a_theorem(implies(necessarily(A),A)),
    inference(resolution,[status(thm)],[163893352,164754120]),
    [] ).

fof(modus_ponens,plain,
    ! [A,B] :
      ( ( ~ modus_ponens
        | ~ is_a_theorem(A)
        | ~ is_a_theorem(implies(A,B))
        | is_a_theorem(B) )
      & ( ~ is_a_theorem(y(A,B))
        | modus_ponens )
      & ( is_a_theorem(x(A,B))
        | modus_ponens )
      & ( is_a_theorem(implies(x(A,B),y(A,B)))
        | modus_ponens ) ),
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(162046424,plain,
    ( ~ modus_ponens
    | ~ is_a_theorem(A)
    | ~ is_a_theorem(implies(A,B))
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[modus_ponens]),
    [] ).

fof(hilbert_modus_ponens,plain,
    modus_ponens,
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(163309312,plain,
    modus_ponens,
    inference(rewrite,[status(thm)],[hilbert_modus_ponens]),
    [] ).

cnf(173738632,plain,
    ( ~ is_a_theorem(A)
    | ~ is_a_theorem(implies(A,B))
    | is_a_theorem(B) ),
    inference(resolution,[status(thm)],[162046424,163309312]),
    [] ).

cnf(185601072,plain,
    ( ~ is_a_theorem(necessarily(A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[173966896,173738632]),
    [] ).

fof(axiom_m10,plain,
    ! [A] :
      ( ( ~ axiom_m10
        | is_a_theorem(strict_implies(possibly(A),necessarily(possibly(A)))) )
      & ( axiom_m10
        | ~ is_a_theorem(strict_implies(possibly(x(A)),necessarily(possibly(x(A))))) ) ),
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164584312,plain,
    ( axiom_m10
    | ~ is_a_theorem(strict_implies(possibly(x(A)),necessarily(possibly(x(A))))) ),
    inference(rewrite,[status(thm)],[axiom_m10]),
    [] ).

fof(s1_0_m10_axiom_m10,plain,
    ~ axiom_m10,
    file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),
    [] ).

cnf(164844184,plain,
    ~ axiom_m10,
    inference(rewrite,[status(thm)],[s1_0_m10_axiom_m10]),
    [] ).

cnf(174013328,plain,
    ~ is_a_theorem(strict_implies(possibly(x(A)),necessarily(possibly(x(A))))),
    inference(resolution,[status(thm)],[164584312,164844184]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[177917648,185601072,174013328]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 2 seconds
% START OF PROOF SEQUENCE
% fof(axiom_5,plain,(((~axiom_5|is_a_theorem(implies(possibly(A),necessarily(possibly(A)))))&(axiom_5|~is_a_theorem(implies(possibly(x(A)),necessarily(possibly(x(A)))))))),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164020096,plain,(~axiom_5|is_a_theorem(implies(possibly(A),necessarily(possibly(A))))),inference(rewrite,[status(thm)],[axiom_5]),[]).
% 
% fof(km5_axiom_5,plain,(axiom_5),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164771976,plain,(axiom_5),inference(rewrite,[status(thm)],[km5_axiom_5]),[]).
% 
% cnf(173978608,plain,(is_a_theorem(implies(possibly(A),necessarily(possibly(A))))),inference(resolution,[status(thm)],[164020096,164771976]),[]).
% 
% fof(necessitation,plain,(((~necessitation|~is_a_theorem(A)|is_a_theorem(necessarily(A)))&(~is_a_theorem(necessarily(x(A)))|necessitation)&(is_a_theorem(x(A))|necessitation))),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(163605072,plain,(~necessitation|~is_a_theorem(A)|is_a_theorem(necessarily(A))),inference(rewrite,[status(thm)],[necessitation]),[]).
% 
% fof(km5_necessitation,plain,(necessitation),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164718544,plain,(necessitation),inference(rewrite,[status(thm)],[km5_necessitation]),[]).
% 
% cnf(173936720,plain,(~is_a_theorem(A)|is_a_theorem(necessarily(A))),inference(resolution,[status(thm)],[163605072,164718544]),[]).
% 
% cnf(176065856,plain,(is_a_theorem(necessarily(implies(possibly(A),necessarily(possibly(A)))))),inference(resolution,[status(thm)],[173978608,173936720]),[]).
% 
% fof(op_strict_implies,plain,(~op_strict_implies|$equal(necessarily(implies(A,B)),strict_implies(A,B))),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164665552,plain,(~op_strict_implies|$equal(necessarily(implies(A,B)),strict_implies(A,B))),inference(rewrite,[status(thm)],[op_strict_implies]),[]).
% 
% fof(s1_0_op_strict_implies,plain,(op_strict_implies),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164809144,plain,(op_strict_implies),inference(rewrite,[status(thm)],[s1_0_op_strict_implies]),[]).
% 
% cnf(173990072,plain,($equal(necessarily(implies(A,B)),strict_implies(A,B))),inference(resolution,[status(thm)],[164665552,164809144]),[]).
% 
% cnf(177895496,plain,(is_a_theorem(strict_implies(possibly(A),necessarily(possibly(A))))),inference(paramodulation,[status(thm)],[176065856,173990072,theory(equality)]),[]).
% 
% cnf(177917648,plain,(is_a_theorem(necessarily(strict_implies(possibly(A),necessarily(possibly(A)))))),inference(resolution,[status(thm)],[177895496,173936720]),[]).
% 
% fof(axiom_M,plain,(((~axiom_m|is_a_theorem(implies(necessarily(A),A)))&(axiom_m|~is_a_theorem(implies(necessarily(x(A)),x(A)))))),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(163893352,plain,(~axiom_m|is_a_theorem(implies(necessarily(A),A))),inference(rewrite,[status(thm)],[axiom_M]),[]).
% 
% fof(km5_axiom_M,plain,(axiom_m),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164754120,plain,(axiom_m),inference(rewrite,[status(thm)],[km5_axiom_M]),[]).
% 
% cnf(173966896,plain,(is_a_theorem(implies(necessarily(A),A))),inference(resolution,[status(thm)],[163893352,164754120]),[]).
% 
% fof(modus_ponens,plain,(((~modus_ponens|~is_a_theorem(A)|~is_a_theorem(implies(A,B))|is_a_theorem(B))&(~is_a_theorem(y(A,B))|modus_ponens)&(is_a_theorem(x(A,B))|modus_ponens)&(is_a_theorem(implies(x(A,B),y(A,B)))|modus_ponens))),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(162046424,plain,(~modus_ponens|~is_a_theorem(A)|~is_a_theorem(implies(A,B))|is_a_theorem(B)),inference(rewrite,[status(thm)],[modus_ponens]),[]).
% 
% fof(hilbert_modus_ponens,plain,(modus_ponens),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(163309312,plain,(modus_ponens),inference(rewrite,[status(thm)],[hilbert_modus_ponens]),[]).
% 
% cnf(173738632,plain,(~is_a_theorem(A)|~is_a_theorem(implies(A,B))|is_a_theorem(B)),inference(resolution,[status(thm)],[162046424,163309312]),[]).
% 
% cnf(185601072,plain,(~is_a_theorem(necessarily(A))|is_a_theorem(A)),inference(resolution,[status(thm)],[173966896,173738632]),[]).
% 
% fof(axiom_m10,plain,(((~axiom_m10|is_a_theorem(strict_implies(possibly(A),necessarily(possibly(A)))))&(axiom_m10|~is_a_theorem(strict_implies(possibly(x(A)),necessarily(possibly(x(A)))))))),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164584312,plain,(axiom_m10|~is_a_theorem(strict_implies(possibly(x(A)),necessarily(possibly(x(A)))))),inference(rewrite,[status(thm)],[axiom_m10]),[]).
% 
% fof(s1_0_m10_axiom_m10,plain,(~axiom_m10),file('/tmp/SystemOnTPTP12038/LCL536+1.p',unknown),[]).
% 
% cnf(164844184,plain,(~axiom_m10),inference(rewrite,[status(thm)],[s1_0_m10_axiom_m10]),[]).
% 
% cnf(174013328,plain,(~is_a_theorem(strict_implies(possibly(x(A)),necessarily(possibly(x(A)))))),inference(resolution,[status(thm)],[164584312,164844184]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[177917648,185601072,174013328]),[]).
% 
% END OF PROOF SEQUENCE
% faust: ../JJParser/Signature.c:39: void FreeSignatureList(SymbolNodeType**): Assertion `(*Symbols)->NumberOfUses == 0' failed.
% 
%------------------------------------------------------------------------------