TSTP Solution File: SYN347-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SYN347-1 : TPTP v3.4.2. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art08.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 17:50:42 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   19 (   4 unt;   0 def)
%            Number of atoms       :   43 (   0 equ)
%            Maximal formula atoms :    3 (   2 avg)
%            Number of connectives :   42 (  18   ~;  24   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   25 (   0 sgn  12   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(clause1,plain,
    ! [A,B] :
      ( f(A,y(A,B))
      | ~ f(B,y(A,B))
      | f(a,b) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),
    [] ).

cnf(149046256,plain,
    ( f(A,y(A,B))
    | ~ f(B,y(A,B))
    | f(a,b) ),
    inference(rewrite,[status(thm)],[clause1]),
    [] ).

fof(clause5,plain,
    ! [A,B] :
      ( f(a,y(A,B))
      | f(b,y(A,B)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),
    [] ).

cnf(149072432,plain,
    ( f(a,y(A,B))
    | f(b,y(A,B)) ),
    inference(rewrite,[status(thm)],[clause5]),
    [] ).

cnf(169936672,plain,
    ( f(A,y(A,a))
    | f(a,b)
    | f(b,y(A,a)) ),
    inference(resolution,[status(thm)],[149046256,149072432]),
    [] ).

fof(clause6,plain,
    ! [A,B] :
      ( ~ f(a,y(A,B))
      | ~ f(b,y(A,B)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),
    [] ).

cnf(149082272,plain,
    ( ~ f(a,y(A,B))
    | ~ f(b,y(A,B)) ),
    inference(rewrite,[status(thm)],[clause6]),
    [] ).

cnf(170100896,plain,
    ( f(a,b)
    | ~ f(a,y(b,a)) ),
    inference(resolution,[status(thm)],[169936672,149082272]),
    [] ).

fof(clause2,plain,
    ! [A,B] :
      ( ~ f(A,y(A,B))
      | f(B,y(A,B))
      | f(a,b) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),
    [] ).

cnf(149054672,plain,
    ( ~ f(A,y(A,B))
    | f(B,y(A,B))
    | f(a,b) ),
    inference(rewrite,[status(thm)],[clause2]),
    [] ).

cnf(170128368,plain,
    ( f(a,b)
    | f(a,y(b,a)) ),
    inference(resolution,[status(thm)],[169936672,149054672]),
    [] ).

cnf(170154096,plain,
    f(a,b),
    inference(resolution,[status(thm)],[170100896,170128368]),
    [] ).

fof(clause4,plain,
    ! [A,B] :
      ( f(A,y(A,B))
      | f(B,y(A,B))
      | ~ f(a,b) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),
    [] ).

cnf(149067192,plain,
    ( f(A,y(A,B))
    | f(B,y(A,B))
    | ~ f(a,b) ),
    inference(rewrite,[status(thm)],[clause4]),
    [] ).

cnf(170204856,plain,
    ~ f(b,y(a,a)),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[170154096,149067192,149082272]),
    [] ).

cnf(170231040,plain,
    f(a,y(a,a)),
    inference(resolution,[status(thm)],[170204856,149072432]),
    [] ).

fof(clause3,plain,
    ! [A,B] :
      ( ~ f(A,y(A,B))
      | ~ f(B,y(A,B))
      | ~ f(a,b) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),
    [] ).

cnf(149060896,plain,
    ( ~ f(A,y(A,B))
    | ~ f(B,y(A,B))
    | ~ f(a,b) ),
    inference(rewrite,[status(thm)],[clause3]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[170231040,170154096,149060896,170231040]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(clause1,plain,(f(A,y(A,B))|~f(B,y(A,B))|f(a,b)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),[]).
% 
% cnf(149046256,plain,(f(A,y(A,B))|~f(B,y(A,B))|f(a,b)),inference(rewrite,[status(thm)],[clause1]),[]).
% 
% fof(clause5,plain,(f(a,y(A,B))|f(b,y(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),[]).
% 
% cnf(149072432,plain,(f(a,y(A,B))|f(b,y(A,B))),inference(rewrite,[status(thm)],[clause5]),[]).
% 
% cnf(169936672,plain,(f(A,y(A,a))|f(a,b)|f(b,y(A,a))),inference(resolution,[status(thm)],[149046256,149072432]),[]).
% 
% fof(clause6,plain,(~f(a,y(A,B))|~f(b,y(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),[]).
% 
% cnf(149082272,plain,(~f(a,y(A,B))|~f(b,y(A,B))),inference(rewrite,[status(thm)],[clause6]),[]).
% 
% cnf(170100896,plain,(f(a,b)|~f(a,y(b,a))),inference(resolution,[status(thm)],[169936672,149082272]),[]).
% 
% fof(clause2,plain,(~f(A,y(A,B))|f(B,y(A,B))|f(a,b)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),[]).
% 
% cnf(149054672,plain,(~f(A,y(A,B))|f(B,y(A,B))|f(a,b)),inference(rewrite,[status(thm)],[clause2]),[]).
% 
% cnf(170128368,plain,(f(a,b)|f(a,y(b,a))),inference(resolution,[status(thm)],[169936672,149054672]),[]).
% 
% cnf(170154096,plain,(f(a,b)),inference(resolution,[status(thm)],[170100896,170128368]),[]).
% 
% fof(clause4,plain,(f(A,y(A,B))|f(B,y(A,B))|~f(a,b)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),[]).
% 
% cnf(149067192,plain,(f(A,y(A,B))|f(B,y(A,B))|~f(a,b)),inference(rewrite,[status(thm)],[clause4]),[]).
% 
% cnf(170204856,plain,(~f(b,y(a,a))),inference(forward_subsumption_resolution__resolution,[status(thm)],[170154096,149067192,149082272]),[]).
% 
% cnf(170231040,plain,(f(a,y(a,a))),inference(resolution,[status(thm)],[170204856,149072432]),[]).
% 
% fof(clause3,plain,(~f(A,y(A,B))|~f(B,y(A,B))|~f(a,b)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN347-1.tptp',unknown),[]).
% 
% cnf(149060896,plain,(~f(A,y(A,B))|~f(B,y(A,B))|~f(a,b)),inference(rewrite,[status(thm)],[clause3]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[170231040,170154096,149060896,170231040]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------