TSTP Solution File: GEO208+3 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : GEO208+3 : TPTP v5.0.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art03.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 2018MB
% OS       : Linux 2.6.26.8-57.fc8
% CPULimit : 300s
% DateTime : Sat Dec 25 08:56:18 EST 2010

% Result   : Theorem 0.18s
% Output   : CNFRefutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   27 (   8 unt;   0 def)
%            Number of atoms       :   64 (   0 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   61 (  24   ~;  13   |;  17   &)
%                                         (   4 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   40 (   0 sgn  28   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] :
      ( equal_lines(X1,X2)
    <=> ~ distinct_lines(X1,X2) ),
    file('/tmp/tmpe4Ai4W/sel_GEO208+3.p_1',ax2) ).

fof(2,axiom,
    ! [X1,X2] :
      ( distinct_lines(X1,X2)
     => convergent_lines(X1,X2) ),
    file('/tmp/tmpe4Ai4W/sel_GEO208+3.p_1',p1) ).

fof(6,axiom,
    ! [X1,X2] :
      ( parallel_lines(X1,X2)
    <=> ~ convergent_lines(X1,X2) ),
    file('/tmp/tmpe4Ai4W/sel_GEO208+3.p_1',a3) ).

fof(12,conjecture,
    ! [X1,X2,X3] :
      ( ( incident_point_and_line(X1,X2)
        & incident_point_and_line(X1,X3)
        & parallel_lines(X2,X3) )
     => equal_lines(X2,X3) ),
    file('/tmp/tmpe4Ai4W/sel_GEO208+3.p_1',con) ).

fof(13,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( ( incident_point_and_line(X1,X2)
          & incident_point_and_line(X1,X3)
          & parallel_lines(X2,X3) )
       => equal_lines(X2,X3) ),
    inference(assume_negation,[status(cth)],[12]) ).

fof(14,plain,
    ! [X1,X2] :
      ( equal_lines(X1,X2)
    <=> ~ distinct_lines(X1,X2) ),
    inference(fof_simplification,[status(thm)],[1,theory(equality)]) ).

fof(15,plain,
    ! [X1,X2] :
      ( parallel_lines(X1,X2)
    <=> ~ convergent_lines(X1,X2) ),
    inference(fof_simplification,[status(thm)],[6,theory(equality)]) ).

fof(19,plain,
    ! [X1,X2] :
      ( ( ~ equal_lines(X1,X2)
        | ~ distinct_lines(X1,X2) )
      & ( distinct_lines(X1,X2)
        | equal_lines(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[14]) ).

fof(20,plain,
    ! [X3,X4] :
      ( ( ~ equal_lines(X3,X4)
        | ~ distinct_lines(X3,X4) )
      & ( distinct_lines(X3,X4)
        | equal_lines(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[19]) ).

cnf(21,plain,
    ( equal_lines(X1,X2)
    | distinct_lines(X1,X2) ),
    inference(split_conjunct,[status(thm)],[20]) ).

fof(23,plain,
    ! [X1,X2] :
      ( ~ distinct_lines(X1,X2)
      | convergent_lines(X1,X2) ),
    inference(fof_nnf,[status(thm)],[2]) ).

fof(24,plain,
    ! [X3,X4] :
      ( ~ distinct_lines(X3,X4)
      | convergent_lines(X3,X4) ),
    inference(variable_rename,[status(thm)],[23]) ).

cnf(25,plain,
    ( convergent_lines(X1,X2)
    | ~ distinct_lines(X1,X2) ),
    inference(split_conjunct,[status(thm)],[24]) ).

fof(35,plain,
    ! [X1,X2] :
      ( ( ~ parallel_lines(X1,X2)
        | ~ convergent_lines(X1,X2) )
      & ( convergent_lines(X1,X2)
        | parallel_lines(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[15]) ).

fof(36,plain,
    ! [X3,X4] :
      ( ( ~ parallel_lines(X3,X4)
        | ~ convergent_lines(X3,X4) )
      & ( convergent_lines(X3,X4)
        | parallel_lines(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[35]) ).

cnf(38,plain,
    ( ~ convergent_lines(X1,X2)
    | ~ parallel_lines(X1,X2) ),
    inference(split_conjunct,[status(thm)],[36]) ).

fof(53,negated_conjecture,
    ? [X1,X2,X3] :
      ( incident_point_and_line(X1,X2)
      & incident_point_and_line(X1,X3)
      & parallel_lines(X2,X3)
      & ~ equal_lines(X2,X3) ),
    inference(fof_nnf,[status(thm)],[13]) ).

fof(54,negated_conjecture,
    ? [X4,X5,X6] :
      ( incident_point_and_line(X4,X5)
      & incident_point_and_line(X4,X6)
      & parallel_lines(X5,X6)
      & ~ equal_lines(X5,X6) ),
    inference(variable_rename,[status(thm)],[53]) ).

fof(55,negated_conjecture,
    ( incident_point_and_line(esk1_0,esk2_0)
    & incident_point_and_line(esk1_0,esk3_0)
    & parallel_lines(esk2_0,esk3_0)
    & ~ equal_lines(esk2_0,esk3_0) ),
    inference(skolemize,[status(esa)],[54]) ).

cnf(56,negated_conjecture,
    ~ equal_lines(esk2_0,esk3_0),
    inference(split_conjunct,[status(thm)],[55]) ).

cnf(57,negated_conjecture,
    parallel_lines(esk2_0,esk3_0),
    inference(split_conjunct,[status(thm)],[55]) ).

cnf(60,negated_conjecture,
    distinct_lines(esk2_0,esk3_0),
    inference(spm,[status(thm)],[56,21,theory(equality)]) ).

cnf(62,negated_conjecture,
    ~ convergent_lines(esk2_0,esk3_0),
    inference(spm,[status(thm)],[38,57,theory(equality)]) ).

cnf(73,negated_conjecture,
    ~ distinct_lines(esk2_0,esk3_0),
    inference(spm,[status(thm)],[62,25,theory(equality)]) ).

cnf(74,negated_conjecture,
    $false,
    inference(rw,[status(thm)],[73,60,theory(equality)]) ).

cnf(75,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[74,theory(equality)]) ).

cnf(76,negated_conjecture,
    $false,
    75,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/GEO/GEO208+3.p
% --creating new selector for [GEO006+3.ax, GEO006+0.ax, GEO006+1.ax, GEO006+2.ax, GEO006+4.ax, GEO006+5.ax, GEO006+6.ax]
% -running prover on /tmp/tmpe4Ai4W/sel_GEO208+3.p_1 with time limit 29
% -prover status Theorem
% Problem GEO208+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/GEO/GEO208+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/GEO/GEO208+3.p
% Solved 1 out of 1.
% # Problem is unsatisfiable (or provable), constructing proof object
% # SZS status Theorem
% # SZS output start CNFRefutation.
% See solution above
% # SZS output end CNFRefutation
% 
%------------------------------------------------------------------------------