TSTP Solution File: GEO055-3 by Faust---1.0
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%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : GEO055-3 : TPTP v3.4.2. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : faust %s
% Computer : art07.cs.miami.edu
% Model : i686 i686
% CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2794MHz
% Memory : 1003MB
% OS : Linux 2.6.11-1.1369_FC4
% CPULimit : 600s
% DateTime : Wed May 6 11:54:09 EDT 2009
% Result : Unsatisfiable 0.1s
% Output : Refutation 0.1s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of formulae : 12 ( 10 unt; 0 def)
% Number of atoms : 14 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 7 ( 5 ~; 2 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-4 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-4 aty)
% Number of variables : 26 ( 2 sgn 10 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(d2,plain,
! [A,B,C,D] :
( ~ equidistant(A,B,C,D)
| equidistant(C,D,A,B) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),
[] ).
cnf(169563160,plain,
( ~ equidistant(A,B,C,D)
| equidistant(C,D,A,B) ),
inference(rewrite,[status(thm)],[d2]),
[] ).
fof(segment_construction2,plain,
! [A,B,C,D] : equidistant(A,extension(B,A,C,D),C,D),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),
[] ).
cnf(169350888,plain,
equidistant(A,extension(B,A,C,D),C,D),
inference(rewrite,[status(thm)],[segment_construction2]),
[] ).
cnf(178904528,plain,
equidistant(B,C,A,extension(D,A,B,C)),
inference(resolution,[status(thm)],[169563160,169350888]),
[] ).
fof(reflection,plain,
! [A,B] : $equal(extension(A,B,A,B),reflection(A,B)),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),
[] ).
cnf(169550256,plain,
$equal(extension(A,B,A,B),reflection(A,B)),
inference(rewrite,[status(thm)],[reflection]),
[] ).
cnf(178940920,plain,
equidistant(B,A,A,reflection(B,A)),
inference(paramodulation,[status(thm)],[178904528,169550256,theory(equality)]),
[] ).
fof(prove_equidistance,plain,
~ equidistant(v,reflection(u,v),u,v),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),
[] ).
cnf(169625992,plain,
~ equidistant(v,reflection(u,v),u,v),
inference(rewrite,[status(thm)],[prove_equidistance]),
[] ).
cnf(178560104,plain,
~ equidistant(u,v,v,reflection(u,v)),
inference(resolution,[status(thm)],[169563160,169625992]),
[] ).
cnf(contradiction,plain,
$false,
inference(resolution,[status(thm)],[178940920,178560104]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(d2,plain,(~equidistant(A,B,C,D)|equidistant(C,D,A,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),[]).
%
% cnf(169563160,plain,(~equidistant(A,B,C,D)|equidistant(C,D,A,B)),inference(rewrite,[status(thm)],[d2]),[]).
%
% fof(segment_construction2,plain,(equidistant(A,extension(B,A,C,D),C,D)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),[]).
%
% cnf(169350888,plain,(equidistant(A,extension(B,A,C,D),C,D)),inference(rewrite,[status(thm)],[segment_construction2]),[]).
%
% cnf(178904528,plain,(equidistant(B,C,A,extension(D,A,B,C))),inference(resolution,[status(thm)],[169563160,169350888]),[]).
%
% fof(reflection,plain,($equal(extension(A,B,A,B),reflection(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),[]).
%
% cnf(169550256,plain,($equal(extension(A,B,A,B),reflection(A,B))),inference(rewrite,[status(thm)],[reflection]),[]).
%
% cnf(178940920,plain,(equidistant(B,A,A,reflection(B,A))),inference(paramodulation,[status(thm)],[178904528,169550256,theory(equality)]),[]).
%
% fof(prove_equidistance,plain,(~equidistant(v,reflection(u,v),u,v)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO055-3.tptp',unknown),[]).
%
% cnf(169625992,plain,(~equidistant(v,reflection(u,v),u,v)),inference(rewrite,[status(thm)],[prove_equidistance]),[]).
%
% cnf(178560104,plain,(~equidistant(u,v,v,reflection(u,v))),inference(resolution,[status(thm)],[169563160,169625992]),[]).
%
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[178940920,178560104]),[]).
%
% END OF PROOF SEQUENCE
%
%------------------------------------------------------------------------------