TSTP Solution File: SYN006-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SYN006-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art03.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 16:37:01 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   20 (  12 unt;   0 def)
%            Number of atoms       :   32 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   25 (  13   ~;  12   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-1 aty)
%            Number of variables   :   32 (  10 sgn  13   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(clause_4,plain,
    ! [A,B] :
      ( ~ p2(A,f(B))
      | q3(f(A),B)
      | q4(A,f(B)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),
    [] ).

cnf(153974112,plain,
    ( ~ p2(A,f(B))
    | q3(f(A),B)
    | q4(A,f(B)) ),
    inference(rewrite,[status(thm)],[clause_4]),
    [] ).

fof(clause_7,plain,
    ! [A,B] :
      ( ~ q1(A,f(B))
      | p2(f(A),B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),
    [] ).

cnf(153998736,plain,
    ( ~ q1(A,f(B))
    | p2(f(A),B) ),
    inference(rewrite,[status(thm)],[clause_7]),
    [] ).

fof(clause_1,plain,
    ! [A,B] :
      ( ~ p1(A,f(B))
      | q1(f(A),B)
      | q2(A,f(B)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),
    [] ).

cnf(153955800,plain,
    ( ~ p1(A,f(B))
    | q1(f(A),B)
    | q2(A,f(B)) ),
    inference(rewrite,[status(thm)],[clause_1]),
    [] ).

fof(clause_3,plain,
    ! [A,B] : ~ q2(A,f(B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),
    [] ).

cnf(153965752,plain,
    ~ q2(A,f(B)),
    inference(rewrite,[status(thm)],[clause_3]),
    [] ).

cnf(177613008,plain,
    ( ~ p1(A,f(B))
    | q1(f(A),B) ),
    inference(resolution,[status(thm)],[153955800,153965752]),
    [] ).

fof(clause_2,plain,
    ! [A] : p1(a,A),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),
    [] ).

cnf(153960840,plain,
    p1(a,A),
    inference(rewrite,[status(thm)],[clause_2]),
    [] ).

cnf(177617680,plain,
    q1(f(a),A),
    inference(resolution,[status(thm)],[177613008,153960840]),
    [] ).

cnf(177632880,plain,
    p2(f(f(a)),A),
    inference(resolution,[status(thm)],[153998736,177617680]),
    [] ).

cnf(177681064,plain,
    ( q3(f(f(f(a))),A)
    | q4(f(f(a)),f(A)) ),
    inference(resolution,[status(thm)],[153974112,177632880]),
    [] ).

fof(clause_5,plain,
    ! [A,B] : ~ q3(A,g(B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),
    [] ).

cnf(153983096,plain,
    ~ q3(A,g(B)),
    inference(rewrite,[status(thm)],[clause_5]),
    [] ).

cnf(177698168,plain,
    q4(f(f(a)),f(g(A))),
    inference(resolution,[status(thm)],[177681064,153983096]),
    [] ).

fof(clause_6,plain,
    ! [A,B] : ~ q4(f(f(A)),f(g(f(B)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),
    [] ).

cnf(153988064,plain,
    ~ q4(f(f(A)),f(g(f(B)))),
    inference(rewrite,[status(thm)],[clause_6]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[177698168,153988064]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(clause_4,plain,(~p2(A,f(B))|q3(f(A),B)|q4(A,f(B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),[]).
% 
% cnf(153974112,plain,(~p2(A,f(B))|q3(f(A),B)|q4(A,f(B))),inference(rewrite,[status(thm)],[clause_4]),[]).
% 
% fof(clause_7,plain,(~q1(A,f(B))|p2(f(A),B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),[]).
% 
% cnf(153998736,plain,(~q1(A,f(B))|p2(f(A),B)),inference(rewrite,[status(thm)],[clause_7]),[]).
% 
% fof(clause_1,plain,(~p1(A,f(B))|q1(f(A),B)|q2(A,f(B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),[]).
% 
% cnf(153955800,plain,(~p1(A,f(B))|q1(f(A),B)|q2(A,f(B))),inference(rewrite,[status(thm)],[clause_1]),[]).
% 
% fof(clause_3,plain,(~q2(A,f(B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),[]).
% 
% cnf(153965752,plain,(~q2(A,f(B))),inference(rewrite,[status(thm)],[clause_3]),[]).
% 
% cnf(177613008,plain,(~p1(A,f(B))|q1(f(A),B)),inference(resolution,[status(thm)],[153955800,153965752]),[]).
% 
% fof(clause_2,plain,(p1(a,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),[]).
% 
% cnf(153960840,plain,(p1(a,A)),inference(rewrite,[status(thm)],[clause_2]),[]).
% 
% cnf(177617680,plain,(q1(f(a),A)),inference(resolution,[status(thm)],[177613008,153960840]),[]).
% 
% cnf(177632880,plain,(p2(f(f(a)),A)),inference(resolution,[status(thm)],[153998736,177617680]),[]).
% 
% cnf(177681064,plain,(q3(f(f(f(a))),A)|q4(f(f(a)),f(A))),inference(resolution,[status(thm)],[153974112,177632880]),[]).
% 
% fof(clause_5,plain,(~q3(A,g(B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),[]).
% 
% cnf(153983096,plain,(~q3(A,g(B))),inference(rewrite,[status(thm)],[clause_5]),[]).
% 
% cnf(177698168,plain,(q4(f(f(a)),f(g(A)))),inference(resolution,[status(thm)],[177681064,153983096]),[]).
% 
% fof(clause_6,plain,(~q4(f(f(A)),f(g(f(B))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN006-1.tptp',unknown),[]).
% 
% cnf(153988064,plain,(~q4(f(f(A)),f(g(f(B))))),inference(rewrite,[status(thm)],[clause_6]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[177698168,153988064]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------