TSTP Solution File: GEO219+1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GEO219+1 : TPTP v3.4.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art01.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 12:03:05 EDT 2009

% Result   : Theorem 0.2s
% Output   : Refutation 0.2s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   15 (   6 unt;   0 def)
%            Number of atoms       :   44 (   0 equ)
%            Maximal formula atoms :   16 (   2 avg)
%            Number of connectives :   46 (  17   ~;  24   |;   5   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   18 (   0 sgn   8   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(con,plain,
    ( ~ not_orthogonal_through_point(l,m)
    & ~ convergent_lines(l,n)
    & not_orthogonal_through_point(m,n) ),
    file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),
    [] ).

cnf(147860784,plain,
    ~ convergent_lines(l,n),
    inference(rewrite,[status(thm)],[con]),
    [] ).

fof(ax6,plain,
    ! [A,B,C] :
      ( ~ convergent_lines(A,B)
      | convergent_lines(A,C)
      | convergent_lines(B,C) ),
    file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),
    [] ).

cnf(147675288,plain,
    ( ~ convergent_lines(A,B)
    | convergent_lines(A,C)
    | convergent_lines(B,C) ),
    inference(rewrite,[status(thm)],[ax6]),
    [] ).

cnf(147869424,plain,
    ~ not_orthogonal_through_point(l,m),
    inference(rewrite,[status(thm)],[con]),
    [] ).

fof(coipo1,plain,
    ! [A,B] :
      ( convergent_lines(A,B)
      | not_orthogonal_through_point(A,B) ),
    file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),
    [] ).

cnf(147753128,plain,
    ( convergent_lines(A,B)
    | not_orthogonal_through_point(A,B) ),
    inference(rewrite,[status(thm)],[coipo1]),
    [] ).

cnf(161220952,plain,
    convergent_lines(l,m),
    inference(resolution,[status(thm)],[147869424,147753128]),
    [] ).

cnf(161284600,plain,
    ( convergent_lines(l,A)
    | convergent_lines(m,A) ),
    inference(resolution,[status(thm)],[147675288,161220952]),
    [] ).

fof(cotno1,plain,
    ! [A,C,B] :
      ( ( not_orthogonal_through_point(A,C)
        | convergent_lines(A,B)
        | ~ convergent_lines(B,C)
        | ~ not_orthogonal_through_point(B,C) )
      & ( convergent_lines(A,C)
        | convergent_lines(A,B)
        | ~ convergent_lines(B,C)
        | ~ not_orthogonal_through_point(B,C) )
      & ( not_orthogonal_through_point(A,C)
        | not_orthogonal_through_point(A,B)
        | ~ convergent_lines(B,C)
        | ~ not_orthogonal_through_point(B,C) )
      & ( convergent_lines(A,C)
        | not_orthogonal_through_point(A,B)
        | ~ convergent_lines(B,C)
        | ~ not_orthogonal_through_point(B,C) ) ),
    file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),
    [] ).

cnf(147764648,plain,
    ( convergent_lines(A,C)
    | not_orthogonal_through_point(A,B)
    | ~ convergent_lines(B,C)
    | ~ not_orthogonal_through_point(B,C) ),
    inference(rewrite,[status(thm)],[cotno1]),
    [] ).

cnf(147849296,plain,
    not_orthogonal_through_point(m,n),
    inference(rewrite,[status(thm)],[con]),
    [] ).

cnf(160961784,plain,
    ( convergent_lines(A,n)
    | not_orthogonal_through_point(A,m)
    | ~ convergent_lines(m,n) ),
    inference(resolution,[status(thm)],[147764648,147849296]),
    [] ).

cnf(165238768,plain,
    convergent_lines(l,n),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[161284600,160961784,147869424]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[147860784,165238768]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 1 seconds
% START OF PROOF SEQUENCE
% fof(con,plain,((~not_orthogonal_through_point(l,m)&~convergent_lines(l,n)¬_orthogonal_through_point(m,n))),file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),[]).
% 
% cnf(147860784,plain,(~convergent_lines(l,n)),inference(rewrite,[status(thm)],[con]),[]).
% 
% fof(ax6,plain,(~convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C)),file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),[]).
% 
% cnf(147675288,plain,(~convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C)),inference(rewrite,[status(thm)],[ax6]),[]).
% 
% cnf(147869424,plain,(~not_orthogonal_through_point(l,m)),inference(rewrite,[status(thm)],[con]),[]).
% 
% fof(coipo1,plain,(convergent_lines(A,B)|not_orthogonal_through_point(A,B)),file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),[]).
% 
% cnf(147753128,plain,(convergent_lines(A,B)|not_orthogonal_through_point(A,B)),inference(rewrite,[status(thm)],[coipo1]),[]).
% 
% cnf(161220952,plain,(convergent_lines(l,m)),inference(resolution,[status(thm)],[147869424,147753128]),[]).
% 
% cnf(161284600,plain,(convergent_lines(l,A)|convergent_lines(m,A)),inference(resolution,[status(thm)],[147675288,161220952]),[]).
% 
% fof(cotno1,plain,(((not_orthogonal_through_point(A,C)|convergent_lines(A,B)|~convergent_lines(B,C)|~not_orthogonal_through_point(B,C))&(convergent_lines(A,C)|convergent_lines(A,B)|~convergent_lines(B,C)|~not_orthogonal_through_point(B,C))&(not_orthogonal_through_point(A,C)|not_orthogonal_through_point(A,B)|~convergent_lines(B,C)|~not_orthogonal_through_point(B,C))&(convergent_lines(A,C)|not_orthogonal_through_point(A,B)|~convergent_lines(B,C)|~not_orthogonal_through_point(B,C)))),file('/tmp/SystemOnTPTP5072/GEO219+1.p',unknown),[]).
% 
% cnf(147764648,plain,(convergent_lines(A,C)|not_orthogonal_through_point(A,B)|~convergent_lines(B,C)|~not_orthogonal_through_point(B,C)),inference(rewrite,[status(thm)],[cotno1]),[]).
% 
% cnf(147849296,plain,(not_orthogonal_through_point(m,n)),inference(rewrite,[status(thm)],[con]),[]).
% 
% cnf(160961784,plain,(convergent_lines(A,n)|not_orthogonal_through_point(A,m)|~convergent_lines(m,n)),inference(resolution,[status(thm)],[147764648,147849296]),[]).
% 
% cnf(165238768,plain,(convergent_lines(l,n)),inference(forward_subsumption_resolution__resolution,[status(thm)],[161284600,160961784,147869424]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[147860784,165238768]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------