%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : HEN001-3 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art05.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 13:14:49 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    3
% Syntax   : Number of formulae    :    7 (   5 unt;   0 def)
%            Number of atoms       :    9 (   0 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :    6 (   4   ~;   2   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :    6 (   1 sgn   3   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(identity_is_largest,plain,
    ! [A] : less_equal(A,identity),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/HEN/HEN001-3.tptp',unknown),
    [] ).

cnf(159098600,plain,
    less_equal(A,identity),
    inference(rewrite,[status(thm)],[identity_is_largest]),
    [] ).

fof(quotient_less_equal1,plain,
    ! [A,B] :
      ( ~ less_equal(A,B)
      | $equal(zero,divide(A,B)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/HEN/HEN001-3.tptp',unknown),
    [] ).

cnf(159062104,plain,
    ( ~ less_equal(A,B)
    | $equal(zero,divide(A,B)) ),
    inference(rewrite,[status(thm)],[quotient_less_equal1]),
    [] ).

fof(prove_a_divide_id_is_zero,plain,
    ~ $equal(divide(a,identity),zero),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/HEN/HEN001-3.tptp',unknown),
    [] ).

cnf(159102368,plain,
    ~ $equal(divide(a,identity),zero),
    inference(rewrite,[status(thm)],[prove_a_divide_id_is_zero]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__paramodulation,[status(thm)],[159098600,159062104,159102368,theory(equality)]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(identity_is_largest,plain,(less_equal(A,identity)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/HEN/HEN001-3.tptp',unknown),[]).
% 
% cnf(159098600,plain,(less_equal(A,identity)),inference(rewrite,[status(thm)],[identity_is_largest]),[]).
% 
% fof(quotient_less_equal1,plain,(~less_equal(A,B)|$equal(zero,divide(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/HEN/HEN001-3.tptp',unknown),[]).
% 
% cnf(159062104,plain,(~less_equal(A,B)|$equal(zero,divide(A,B))),inference(rewrite,[status(thm)],[quotient_less_equal1]),[]).
% 
% fof(prove_a_divide_id_is_zero,plain,(~$equal(divide(a,identity),zero)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/HEN/HEN001-3.tptp',unknown),[]).
% 
% cnf(159102368,plain,(~$equal(divide(a,identity),zero)),inference(rewrite,[status(thm)],[prove_a_divide_id_is_zero]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__paramodulation,[status(thm)],[159098600,159062104,159102368,theory(equality)]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------