TSTP Solution File: GEO214+2 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GEO214+2 : TPTP v3.4.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art09.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 12:02:34 EDT 2009

% Result   : Theorem 0.2s
% Output   : Refutation 0.2s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   16 (   7 unt;   0 def)
%            Number of atoms       :   44 (   0 equ)
%            Maximal formula atoms :   16 (   2 avg)
%            Number of connectives :   46 (  18   ~;  24   |;   4   &)
%                                         (   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    :    2 (   2 usr;   2 con; 0-0 aty)
%            Number of variables   :   21 (   0 sgn   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(apart6,plain,
    ! [A,B,C] :
      ( ~ convergent_lines(A,B)
      | convergent_lines(A,C)
      | convergent_lines(B,C) ),
    file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),
    [] ).

cnf(144511968,plain,
    ( ~ convergent_lines(A,B)
    | convergent_lines(A,C)
    | convergent_lines(B,C) ),
    inference(rewrite,[status(thm)],[apart6]),
    [] ).

fof(occu1,plain,
    ! [A,B] :
      ( convergent_lines(A,B)
      | not_orthogonal_through_point(A,B) ),
    file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),
    [] ).

cnf(144629128,plain,
    ( convergent_lines(A,B)
    | not_orthogonal_through_point(A,B) ),
    inference(rewrite,[status(thm)],[occu1]),
    [] ).

fof(con,plain,
    ( not_orthogonal_through_point(l,m)
    & ~ not_orthogonal_through_point(m,l) ),
    file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),
    [] ).

cnf(144736104,plain,
    ~ not_orthogonal_through_point(m,l),
    inference(rewrite,[status(thm)],[con]),
    [] ).

cnf(155364552,plain,
    convergent_lines(m,l),
    inference(resolution,[status(thm)],[144629128,144736104]),
    [] ).

cnf(155492360,plain,
    ( convergent_lines(m,A)
    | convergent_lines(l,A) ),
    inference(resolution,[status(thm)],[144511968,155364552]),
    [] ).

fof(apart3,plain,
    ! [A] : ~ convergent_lines(A,A),
    file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),
    [] ).

cnf(144485336,plain,
    ~ convergent_lines(A,A),
    inference(rewrite,[status(thm)],[apart3]),
    [] ).

cnf(155497008,plain,
    convergent_lines(l,m),
    inference(resolution,[status(thm)],[155492360,144485336]),
    [] ).

cnf(144743408,plain,
    not_orthogonal_through_point(l,m),
    inference(rewrite,[status(thm)],[con]),
    [] ).

fof(oac1,plain,
    ! [B,C,A] :
      ( ( not_orthogonal_through_point(B,C)
        | not_orthogonal_through_point(A,C)
        | ~ convergent_lines(A,B)
        | ~ not_orthogonal_through_point(A,B) )
      & ( convergent_lines(B,C)
        | not_orthogonal_through_point(A,C)
        | ~ convergent_lines(A,B)
        | ~ not_orthogonal_through_point(A,B) )
      & ( not_orthogonal_through_point(B,C)
        | convergent_lines(A,C)
        | ~ convergent_lines(A,B)
        | ~ not_orthogonal_through_point(A,B) )
      & ( convergent_lines(B,C)
        | convergent_lines(A,C)
        | ~ convergent_lines(A,B)
        | ~ not_orthogonal_through_point(A,B) ) ),
    file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),
    [] ).

cnf(144643328,plain,
    ( not_orthogonal_through_point(B,C)
    | convergent_lines(A,C)
    | ~ convergent_lines(A,B)
    | ~ not_orthogonal_through_point(A,B) ),
    inference(rewrite,[status(thm)],[oac1]),
    [] ).

cnf(155341552,plain,
    ( not_orthogonal_through_point(B,A)
    | ~ convergent_lines(A,B)
    | ~ not_orthogonal_through_point(A,B) ),
    inference(resolution,[status(thm)],[144643328,144485336]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[155497008,144743408,155341552,144736104]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(apart6,plain,(~convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C)),file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),[]).
% 
% cnf(144511968,plain,(~convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C)),inference(rewrite,[status(thm)],[apart6]),[]).
% 
% fof(occu1,plain,(convergent_lines(A,B)|not_orthogonal_through_point(A,B)),file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),[]).
% 
% cnf(144629128,plain,(convergent_lines(A,B)|not_orthogonal_through_point(A,B)),inference(rewrite,[status(thm)],[occu1]),[]).
% 
% fof(con,plain,((not_orthogonal_through_point(l,m)&~not_orthogonal_through_point(m,l))),file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),[]).
% 
% cnf(144736104,plain,(~not_orthogonal_through_point(m,l)),inference(rewrite,[status(thm)],[con]),[]).
% 
% cnf(155364552,plain,(convergent_lines(m,l)),inference(resolution,[status(thm)],[144629128,144736104]),[]).
% 
% cnf(155492360,plain,(convergent_lines(m,A)|convergent_lines(l,A)),inference(resolution,[status(thm)],[144511968,155364552]),[]).
% 
% fof(apart3,plain,(~convergent_lines(A,A)),file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),[]).
% 
% cnf(144485336,plain,(~convergent_lines(A,A)),inference(rewrite,[status(thm)],[apart3]),[]).
% 
% cnf(155497008,plain,(convergent_lines(l,m)),inference(resolution,[status(thm)],[155492360,144485336]),[]).
% 
% cnf(144743408,plain,(not_orthogonal_through_point(l,m)),inference(rewrite,[status(thm)],[con]),[]).
% 
% fof(oac1,plain,(((not_orthogonal_through_point(B,C)|not_orthogonal_through_point(A,C)|~convergent_lines(A,B)|~not_orthogonal_through_point(A,B))&(convergent_lines(B,C)|not_orthogonal_through_point(A,C)|~convergent_lines(A,B)|~not_orthogonal_through_point(A,B))&(not_orthogonal_through_point(B,C)|convergent_lines(A,C)|~convergent_lines(A,B)|~not_orthogonal_through_point(A,B))&(convergent_lines(B,C)|convergent_lines(A,C)|~convergent_lines(A,B)|~not_orthogonal_through_point(A,B)))),file('/tmp/SystemOnTPTP13706/GEO214+2.p',unknown),[]).
% 
% cnf(144643328,plain,(not_orthogonal_through_point(B,C)|convergent_lines(A,C)|~convergent_lines(A,B)|~not_orthogonal_through_point(A,B)),inference(rewrite,[status(thm)],[oac1]),[]).
% 
% cnf(155341552,plain,(not_orthogonal_through_point(B,A)|~convergent_lines(A,B)|~not_orthogonal_through_point(A,B)),inference(resolution,[status(thm)],[144643328,144485336]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[155497008,144743408,155341552,144736104]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------