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