TSTP Solution File: GEO218+2 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GEO218+2 : TPTP v3.4.2. Released v3.3.0.
% 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 12:03:00 EDT 2009

% Result   : Theorem 0.2s
% Output   : Refutation 0.2s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   19 (   7 unt;   0 def)
%            Number of atoms       :   50 (   0 equ)
%            Maximal formula atoms :   16 (   2 avg)
%            Number of connectives :   52 (  21   ~;  26   |;   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   :   24 (   0 sgn   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(con,plain,
    ( ~ convergent_lines(l,m)
    & ~ not_orthogonal_through_point(l,n)
    & not_orthogonal_through_point(m,n) ),
    file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),
    [] ).

cnf(145158600,plain,
    ~ not_orthogonal_through_point(l,n),
    inference(rewrite,[status(thm)],[con]),
    [] ).

fof(apart6,plain,
    ! [A,B,C] :
      ( ~ convergent_lines(A,B)
      | convergent_lines(A,C)
      | convergent_lines(B,C) ),
    file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),
    [] ).

cnf(144965968,plain,
    ( ~ convergent_lines(A,B)
    | convergent_lines(A,C)
    | convergent_lines(B,C) ),
    inference(rewrite,[status(thm)],[apart6]),
    [] ).

cnf(145169880,plain,
    ~ convergent_lines(l,m),
    inference(rewrite,[status(thm)],[con]),
    [] ).

cnf(158685408,plain,
    ( ~ convergent_lines(l,A)
    | convergent_lines(A,m) ),
    inference(resolution,[status(thm)],[144965968,145169880]),
    [] ).

fof(coipo1,plain,
    ! [A,B] :
      ( convergent_lines(A,B)
      | not_orthogonal_through_point(A,B) ),
    file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),
    [] ).

cnf(145049376,plain,
    ( convergent_lines(A,B)
    | not_orthogonal_through_point(A,B) ),
    inference(rewrite,[status(thm)],[coipo1]),
    [] ).

cnf(159366080,plain,
    ( convergent_lines(A,m)
    | not_orthogonal_through_point(l,A) ),
    inference(resolution,[status(thm)],[158685408,145049376]),
    [] ).

fof(apart3,plain,
    ! [A] : ~ convergent_lines(A,A),
    file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),
    [] ).

cnf(144939528,plain,
    ~ convergent_lines(A,A),
    inference(rewrite,[status(thm)],[apart3]),
    [] ).

cnf(158385680,plain,
    ( ~ convergent_lines(A,B)
    | convergent_lines(B,A) ),
    inference(resolution,[status(thm)],[144965968,144939528]),
    [] ).

cnf(159491056,plain,
    ( not_orthogonal_through_point(l,A)
    | convergent_lines(m,A) ),
    inference(resolution,[status(thm)],[159366080,158385680]),
    [] ).

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/SystemOnTPTP17498/GEO218+2.p',unknown),
    [] ).

cnf(145091216,plain,
    ( not_orthogonal_through_point(A,C)
    | convergent_lines(A,B)
    | ~ convergent_lines(B,C)
    | ~ not_orthogonal_through_point(B,C) ),
    inference(rewrite,[status(thm)],[cotno1]),
    [] ).

cnf(161638344,plain,
    ( not_orthogonal_through_point(l,A)
    | ~ not_orthogonal_through_point(m,A) ),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[159491056,145091216,145169880]),
    [] ).

cnf(145149600,plain,
    not_orthogonal_through_point(m,n),
    inference(rewrite,[status(thm)],[con]),
    [] ).

cnf(161642672,plain,
    not_orthogonal_through_point(l,n),
    inference(resolution,[status(thm)],[161638344,145149600]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[145158600,161642672]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(con,plain,((~convergent_lines(l,m)&~not_orthogonal_through_point(l,n)¬_orthogonal_through_point(m,n))),file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),[]).
% 
% cnf(145158600,plain,(~not_orthogonal_through_point(l,n)),inference(rewrite,[status(thm)],[con]),[]).
% 
% fof(apart6,plain,(~convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C)),file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),[]).
% 
% cnf(144965968,plain,(~convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C)),inference(rewrite,[status(thm)],[apart6]),[]).
% 
% cnf(145169880,plain,(~convergent_lines(l,m)),inference(rewrite,[status(thm)],[con]),[]).
% 
% cnf(158685408,plain,(~convergent_lines(l,A)|convergent_lines(A,m)),inference(resolution,[status(thm)],[144965968,145169880]),[]).
% 
% fof(coipo1,plain,(convergent_lines(A,B)|not_orthogonal_through_point(A,B)),file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),[]).
% 
% cnf(145049376,plain,(convergent_lines(A,B)|not_orthogonal_through_point(A,B)),inference(rewrite,[status(thm)],[coipo1]),[]).
% 
% cnf(159366080,plain,(convergent_lines(A,m)|not_orthogonal_through_point(l,A)),inference(resolution,[status(thm)],[158685408,145049376]),[]).
% 
% fof(apart3,plain,(~convergent_lines(A,A)),file('/tmp/SystemOnTPTP17498/GEO218+2.p',unknown),[]).
% 
% cnf(144939528,plain,(~convergent_lines(A,A)),inference(rewrite,[status(thm)],[apart3]),[]).
% 
% cnf(158385680,plain,(~convergent_lines(A,B)|convergent_lines(B,A)),inference(resolution,[status(thm)],[144965968,144939528]),[]).
% 
% cnf(159491056,plain,(not_orthogonal_through_point(l,A)|convergent_lines(m,A)),inference(resolution,[status(thm)],[159366080,158385680]),[]).
% 
% 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/SystemOnTPTP17498/GEO218+2.p',unknown),[]).
% 
% cnf(145091216,plain,(not_orthogonal_through_point(A,C)|convergent_lines(A,B)|~convergent_lines(B,C)|~not_orthogonal_through_point(B,C)),inference(rewrite,[status(thm)],[cotno1]),[]).
% 
% cnf(161638344,plain,(not_orthogonal_through_point(l,A)|~not_orthogonal_through_point(m,A)),inference(forward_subsumption_resolution__resolution,[status(thm)],[159491056,145091216,145169880]),[]).
% 
% cnf(145149600,plain,(not_orthogonal_through_point(m,n)),inference(rewrite,[status(thm)],[con]),[]).
% 
% cnf(161642672,plain,(not_orthogonal_through_point(l,n)),inference(resolution,[status(thm)],[161638344,145149600]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[145158600,161642672]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------