TSTP Solution File: LCL287-3 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL287-3 : TPTP v3.4.2. Released v2.3.0.
% 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 13:47:47 EDT 2009

% Result   : Unsatisfiable 7.4s
% Output   : Refutation 7.4s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   40 (  28 unt;   0 def)
%            Number of atoms       :   59 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   41 (  22   ~;  19   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :   62 (   3 sgn  17   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(rule_2,plain,
    ! [A,B] :
      ( theorem(A)
      | ~ theorem(implies(B,A))
      | ~ theorem(B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155185680,plain,
    ( theorem(A)
    | ~ theorem(implies(B,A))
    | ~ theorem(B) ),
    inference(rewrite,[status(thm)],[rule_2]),
    [] ).

fof(rule_1,plain,
    ! [A] :
      ( theorem(A)
      | ~ axiom(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155162680,plain,
    ( theorem(A)
    | ~ axiom(A) ),
    inference(rewrite,[status(thm)],[rule_1]),
    [] ).

cnf(163191136,plain,
    ( theorem(A)
    | ~ theorem(B)
    | ~ axiom(implies(B,A)) ),
    inference(resolution,[status(thm)],[155185680,155162680]),
    [] ).

cnf(163202064,plain,
    ( theorem(A)
    | ~ axiom(implies(B,A))
    | ~ axiom(B) ),
    inference(resolution,[status(thm)],[163191136,155162680]),
    [] ).

cnf(164451312,plain,
    ( theorem(A)
    | ~ theorem(B)
    | ~ axiom(implies(C,implies(B,A)))
    | ~ axiom(C) ),
    inference(resolution,[status(thm)],[155185680,163202064]),
    [] ).

fof(axiom_1_6,plain,
    ! [A,B,C] : axiom(implies(implies(A,B),implies(or(C,A),or(C,B)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155151472,plain,
    axiom(implies(implies(A,B),implies(or(C,A),or(C,B)))),
    inference(rewrite,[status(thm)],[axiom_1_6]),
    [] ).

cnf(167023712,plain,
    ( theorem(or(C,B))
    | ~ theorem(or(C,A))
    | ~ axiom(implies(A,B)) ),
    inference(resolution,[status(thm)],[164451312,155151472]),
    [] ).

fof(axiom_1_2,plain,
    ! [A] : axiom(implies(or(A,A),A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155131400,plain,
    axiom(implies(or(A,A),A)),
    inference(rewrite,[status(thm)],[axiom_1_2]),
    [] ).

cnf(167263384,plain,
    ( theorem(or(B,A))
    | ~ theorem(or(B,or(A,A))) ),
    inference(resolution,[status(thm)],[167023712,155131400]),
    [] ).

fof(axiom_1_3,plain,
    ! [A,B] : axiom(implies(A,or(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155135648,plain,
    axiom(implies(A,or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_3]),
    [] ).

cnf(163228048,plain,
    theorem(implies(A,or(B,A))),
    inference(resolution,[status(thm)],[155162680,155135648]),
    [] ).

fof(implies_definition,plain,
    ! [A,B] : $equal(or(not(A),B),implies(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155156128,plain,
    $equal(or(not(A),B),implies(A,B)),
    inference(rewrite,[status(thm)],[implies_definition]),
    [] ).

cnf(173661664,plain,
    theorem(or(not(A),or(B,A))),
    inference(paramodulation,[status(thm)],[163228048,155156128,theory(equality)]),
    [] ).

cnf(251852704,plain,
    theorem(or(not(A),A)),
    inference(resolution,[status(thm)],[167263384,173661664]),
    [] ).

cnf(252905040,plain,
    theorem(implies(A,A)),
    inference(paramodulation,[status(thm)],[251852704,155156128,theory(equality)]),
    [] ).

cnf(163005256,plain,
    theorem(implies(or(A,A),A)),
    inference(resolution,[status(thm)],[155162680,155131400]),
    [] ).

cnf(173625448,plain,
    theorem(or(not(or(A,A)),A)),
    inference(paramodulation,[status(thm)],[163005256,155156128,theory(equality)]),
    [] ).

fof(axiom_1_4,plain,
    ! [A,B] : axiom(implies(or(A,B),or(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155139416,plain,
    axiom(implies(or(A,B),or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_4]),
    [] ).

cnf(163404544,plain,
    ( theorem(or(B,A))
    | ~ theorem(or(A,B)) ),
    inference(resolution,[status(thm)],[163191136,155139416]),
    [] ).

cnf(174988456,plain,
    theorem(or(A,not(or(A,A)))),
    inference(resolution,[status(thm)],[173625448,163404544]),
    [] ).

fof(and_defn,plain,
    ! [A,B] : $equal(not(or(not(A),not(B))),and(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155193888,plain,
    $equal(not(or(not(A),not(B))),and(A,B)),
    inference(rewrite,[status(thm)],[and_defn]),
    [] ).

cnf(175983624,plain,
    theorem(or(not(A),and(A,A))),
    inference(paramodulation,[status(thm)],[174988456,155193888,theory(equality)]),
    [] ).

cnf(176496104,plain,
    theorem(implies(A,and(A,A))),
    inference(paramodulation,[status(thm)],[175983624,155156128,theory(equality)]),
    [] ).

cnf(176557680,plain,
    ( theorem(and(A,A))
    | ~ theorem(A) ),
    inference(resolution,[status(thm)],[176496104,155185680]),
    [] ).

fof(equivalent_defn,plain,
    ! [A,B] : $equal(and(implies(A,B),implies(B,A)),equivalent(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155197928,plain,
    $equal(and(implies(A,B),implies(B,A)),equivalent(A,B)),
    inference(rewrite,[status(thm)],[equivalent_defn]),
    [] ).

cnf(177175336,plain,
    ( theorem(equivalent(A,A))
    | ~ theorem(implies(A,A)) ),
    inference(paramodulation,[status(thm)],[176557680,155197928,theory(equality)]),
    [] ).

cnf(253255912,plain,
    theorem(equivalent(A,A)),
    inference(resolution,[status(thm)],[252905040,177175336]),
    [] ).

fof(prove_this,plain,
    ~ theorem(equivalent(and(p,q),not(or(not(p),not(q))))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),
    [] ).

cnf(155202640,plain,
    ~ theorem(equivalent(and(p,q),not(or(not(p),not(q))))),
    inference(rewrite,[status(thm)],[prove_this]),
    [] ).

cnf(174583768,plain,
    ~ theorem(equivalent(and(p,q),and(p,q))),
    inference(paramodulation,[status(thm)],[155202640,155193888,theory(equality)]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[253255912,174583768]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 7 seconds
% START OF PROOF SEQUENCE
% fof(rule_2,plain,(theorem(A)|~theorem(implies(B,A))|~theorem(B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155185680,plain,(theorem(A)|~theorem(implies(B,A))|~theorem(B)),inference(rewrite,[status(thm)],[rule_2]),[]).
% 
% fof(rule_1,plain,(theorem(A)|~axiom(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155162680,plain,(theorem(A)|~axiom(A)),inference(rewrite,[status(thm)],[rule_1]),[]).
% 
% cnf(163191136,plain,(theorem(A)|~theorem(B)|~axiom(implies(B,A))),inference(resolution,[status(thm)],[155185680,155162680]),[]).
% 
% cnf(163202064,plain,(theorem(A)|~axiom(implies(B,A))|~axiom(B)),inference(resolution,[status(thm)],[163191136,155162680]),[]).
% 
% cnf(164451312,plain,(theorem(A)|~theorem(B)|~axiom(implies(C,implies(B,A)))|~axiom(C)),inference(resolution,[status(thm)],[155185680,163202064]),[]).
% 
% fof(axiom_1_6,plain,(axiom(implies(implies(A,B),implies(or(C,A),or(C,B))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155151472,plain,(axiom(implies(implies(A,B),implies(or(C,A),or(C,B))))),inference(rewrite,[status(thm)],[axiom_1_6]),[]).
% 
% cnf(167023712,plain,(theorem(or(C,B))|~theorem(or(C,A))|~axiom(implies(A,B))),inference(resolution,[status(thm)],[164451312,155151472]),[]).
% 
% fof(axiom_1_2,plain,(axiom(implies(or(A,A),A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155131400,plain,(axiom(implies(or(A,A),A))),inference(rewrite,[status(thm)],[axiom_1_2]),[]).
% 
% cnf(167263384,plain,(theorem(or(B,A))|~theorem(or(B,or(A,A)))),inference(resolution,[status(thm)],[167023712,155131400]),[]).
% 
% fof(axiom_1_3,plain,(axiom(implies(A,or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155135648,plain,(axiom(implies(A,or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_3]),[]).
% 
% cnf(163228048,plain,(theorem(implies(A,or(B,A)))),inference(resolution,[status(thm)],[155162680,155135648]),[]).
% 
% fof(implies_definition,plain,($equal(or(not(A),B),implies(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155156128,plain,($equal(or(not(A),B),implies(A,B))),inference(rewrite,[status(thm)],[implies_definition]),[]).
% 
% cnf(173661664,plain,(theorem(or(not(A),or(B,A)))),inference(paramodulation,[status(thm)],[163228048,155156128,theory(equality)]),[]).
% 
% cnf(251852704,plain,(theorem(or(not(A),A))),inference(resolution,[status(thm)],[167263384,173661664]),[]).
% 
% cnf(252905040,plain,(theorem(implies(A,A))),inference(paramodulation,[status(thm)],[251852704,155156128,theory(equality)]),[]).
% 
% cnf(163005256,plain,(theorem(implies(or(A,A),A))),inference(resolution,[status(thm)],[155162680,155131400]),[]).
% 
% cnf(173625448,plain,(theorem(or(not(or(A,A)),A))),inference(paramodulation,[status(thm)],[163005256,155156128,theory(equality)]),[]).
% 
% fof(axiom_1_4,plain,(axiom(implies(or(A,B),or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155139416,plain,(axiom(implies(or(A,B),or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_4]),[]).
% 
% cnf(163404544,plain,(theorem(or(B,A))|~theorem(or(A,B))),inference(resolution,[status(thm)],[163191136,155139416]),[]).
% 
% cnf(174988456,plain,(theorem(or(A,not(or(A,A))))),inference(resolution,[status(thm)],[173625448,163404544]),[]).
% 
% fof(and_defn,plain,($equal(not(or(not(A),not(B))),and(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155193888,plain,($equal(not(or(not(A),not(B))),and(A,B))),inference(rewrite,[status(thm)],[and_defn]),[]).
% 
% cnf(175983624,plain,(theorem(or(not(A),and(A,A)))),inference(paramodulation,[status(thm)],[174988456,155193888,theory(equality)]),[]).
% 
% cnf(176496104,plain,(theorem(implies(A,and(A,A)))),inference(paramodulation,[status(thm)],[175983624,155156128,theory(equality)]),[]).
% 
% cnf(176557680,plain,(theorem(and(A,A))|~theorem(A)),inference(resolution,[status(thm)],[176496104,155185680]),[]).
% 
% fof(equivalent_defn,plain,($equal(and(implies(A,B),implies(B,A)),equivalent(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155197928,plain,($equal(and(implies(A,B),implies(B,A)),equivalent(A,B))),inference(rewrite,[status(thm)],[equivalent_defn]),[]).
% 
% cnf(177175336,plain,(theorem(equivalent(A,A))|~theorem(implies(A,A))),inference(paramodulation,[status(thm)],[176557680,155197928,theory(equality)]),[]).
% 
% cnf(253255912,plain,(theorem(equivalent(A,A))),inference(resolution,[status(thm)],[252905040,177175336]),[]).
% 
% fof(prove_this,plain,(~theorem(equivalent(and(p,q),not(or(not(p),not(q)))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL287-3.tptp',unknown),[]).
% 
% cnf(155202640,plain,(~theorem(equivalent(and(p,q),not(or(not(p),not(q)))))),inference(rewrite,[status(thm)],[prove_this]),[]).
% 
% cnf(174583768,plain,(~theorem(equivalent(and(p,q),and(p,q)))),inference(paramodulation,[status(thm)],[155202640,155193888,theory(equality)]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[253255912,174583768]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------