TSTP Solution File: GEO067-3 by Faust---1.0

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%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GEO067-3 : TPTP v3.4.2. Bugfixed v1.2.1.
% 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 11:54:41 EDT 2009

% Result   : Unsatisfiable 4.3s
% Output   : Refutation 4.3s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   16 (   6 unt;   0 def)
%            Number of atoms       :   30 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   31 (  17   ~;  14   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   24 (   2 sgn  11   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(colinearity2,plain,
    ! [A,B,C] :
      ( ~ between(A,B,C)
      | colinear(C,A,B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),
    [] ).

cnf(157277344,plain,
    ( ~ between(A,B,C)
    | colinear(C,A,B) ),
    inference(rewrite,[status(thm)],[colinearity2]),
    [] ).

fof(t3,plain,
    ! [A,B] : between(A,B,B),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),
    [] ).

cnf(157502056,plain,
    between(A,B,B),
    inference(rewrite,[status(thm)],[t3]),
    [] ).

cnf(168337400,plain,
    colinear(B,A,B),
    inference(resolution,[status(thm)],[157277344,157502056]),
    [] ).

fof(part_2,plain,
    ( ~ colinear(x,x,y)
    | ~ colinear(x,y,x)
    | ~ colinear(y,x,x)
    | ~ colinear(x,z,y) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),
    [] ).

fof(t10_1,plain,
    ! [A,B,C] :
      ( ~ colinear(A,B,C)
      | colinear(C,B,A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),
    [] ).

cnf(157802392,plain,
    ( ~ colinear(A,B,C)
    | colinear(C,B,A) ),
    inference(rewrite,[status(thm)],[t10_1]),
    [] ).

fof(t10_2,plain,
    ! [A,B,C] :
      ( ~ colinear(A,B,C)
      | colinear(B,C,A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),
    [] ).

cnf(157810824,plain,
    ( ~ colinear(A,B,C)
    | colinear(B,C,A) ),
    inference(rewrite,[status(thm)],[t10_2]),
    [] ).

cnf(157840616,plain,
    ( ~ colinear(x,y,x)
    | ~ colinear(x,z,y) ),
    inference(rewrite__forward_subsumption_resolution,[status(thm)],[part_2,157802392,157810824]),
    [] ).

cnf(171105504,plain,
    ~ colinear(x,z,y),
    inference(resolution,[status(thm)],[157840616,168337400]),
    [] ).

fof(part_1,plain,
    ( ~ colinear(x,x,y)
    | ~ colinear(x,y,x)
    | ~ colinear(y,x,x)
    | $equal(y,x) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),
    [] ).

cnf(157831232,plain,
    ( ~ colinear(x,y,x)
    | $equal(y,x) ),
    inference(rewrite__forward_subsumption_resolution,[status(thm)],[part_1,157802392,157810824]),
    [] ).

cnf(234822128,plain,
    $equal(y,x),
    inference(resolution,[status(thm)],[157831232,168337400]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__paramodulation,[status(thm)],[168337400,171105504,234822128,theory(equality)]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 4 seconds
% START OF PROOF SEQUENCE
% fof(colinearity2,plain,(~between(A,B,C)|colinear(C,A,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),[]).
% 
% cnf(157277344,plain,(~between(A,B,C)|colinear(C,A,B)),inference(rewrite,[status(thm)],[colinearity2]),[]).
% 
% fof(t3,plain,(between(A,B,B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),[]).
% 
% cnf(157502056,plain,(between(A,B,B)),inference(rewrite,[status(thm)],[t3]),[]).
% 
% cnf(168337400,plain,(colinear(B,A,B)),inference(resolution,[status(thm)],[157277344,157502056]),[]).
% 
% fof(part_2,plain,(~colinear(x,x,y)|~colinear(x,y,x)|~colinear(y,x,x)|~colinear(x,z,y)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),[]).
% 
% fof(t10_1,plain,(~colinear(A,B,C)|colinear(C,B,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),[]).
% 
% cnf(157802392,plain,(~colinear(A,B,C)|colinear(C,B,A)),inference(rewrite,[status(thm)],[t10_1]),[]).
% 
% fof(t10_2,plain,(~colinear(A,B,C)|colinear(B,C,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),[]).
% 
% cnf(157810824,plain,(~colinear(A,B,C)|colinear(B,C,A)),inference(rewrite,[status(thm)],[t10_2]),[]).
% 
% cnf(157840616,plain,(~colinear(x,y,x)|~colinear(x,z,y)),inference(rewrite__forward_subsumption_resolution,[status(thm)],[part_2,157802392,157810824]),[]).
% 
% cnf(171105504,plain,(~colinear(x,z,y)),inference(resolution,[status(thm)],[157840616,168337400]),[]).
% 
% fof(part_1,plain,(~colinear(x,x,y)|~colinear(x,y,x)|~colinear(y,x,x)|$equal(y,x)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GEO/GEO067-3.tptp',unknown),[]).
% 
% cnf(157831232,plain,(~colinear(x,y,x)|$equal(y,x)),inference(rewrite__forward_subsumption_resolution,[status(thm)],[part_1,157802392,157810824]),[]).
% 
% cnf(234822128,plain,($equal(y,x)),inference(resolution,[status(thm)],[157831232,168337400]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__paramodulation,[status(thm)],[168337400,171105504,234822128,theory(equality)]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------