%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SYN081-1 : TPTP v3.4.2. Released v1.0.0.
% 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 16:42:34 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    3
% Syntax   : Number of formulae    :    7 (   2 unt;   0 def)
%            Number of atoms       :   12 (   0 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   10 (   5   ~;   5   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    1 (   1 usr;   0 con; 1-1 aty)
%            Number of variables   :    6 (   1 sgn   3   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_this,plain,
    ! [A] :
      ( ~ big_f(A)
      | big_f(f(A)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN081-1.tptp',unknown),
    [] ).

fof(clause_2,plain,
    ! [A] :
      ( big_f(f(A))
      | big_f(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN081-1.tptp',unknown),
    [] ).

cnf(151986064,plain,
    ( big_f(f(A))
    | big_f(A) ),
    inference(rewrite,[status(thm)],[clause_2]),
    [] ).

cnf(151989776,plain,
    big_f(f(A)),
    inference(rewrite__forward_subsumption_resolution,[status(thm)],[prove_this,151986064]),
    [] ).

fof(clause_1,plain,
    ! [A] :
      ( ~ big_f(A)
      | ~ big_f(f(A)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN081-1.tptp',unknown),
    [] ).

cnf(151979616,plain,
    ( ~ big_f(A)
    | ~ big_f(f(A)) ),
    inference(rewrite,[status(thm)],[clause_1]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[151989776,151979616,151989776]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(prove_this,plain,(~big_f(A)|big_f(f(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN081-1.tptp',unknown),[]).
% 
% fof(clause_2,plain,(big_f(f(A))|big_f(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN081-1.tptp',unknown),[]).
% 
% cnf(151986064,plain,(big_f(f(A))|big_f(A)),inference(rewrite,[status(thm)],[clause_2]),[]).
% 
% cnf(151989776,plain,(big_f(f(A))),inference(rewrite__forward_subsumption_resolution,[status(thm)],[prove_this,151986064]),[]).
% 
% fof(clause_1,plain,(~big_f(A)|~big_f(f(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SYN/SYN081-1.tptp',unknown),[]).
% 
% cnf(151979616,plain,(~big_f(A)|~big_f(f(A))),inference(rewrite,[status(thm)],[clause_1]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[151989776,151979616,151989776]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------