TSTP Solution File: SWV254-2 by Faust---1.0

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%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SWV254-2 : TPTP v3.4.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art08.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 16:28:48 EDT 2009

% Result   : Unsatisfiable 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   16 (  14 unt;   0 def)
%            Number of atoms       :   20 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   10 (   6   ~;   4   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-3 aty)
%            Number of variables   :   20 (   5 sgn   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(clsarity_nat_3,plain,
    class_orderings_oorder(tc_nat),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),
    [] ).

cnf(167121136,plain,
    class_orderings_oorder(tc_nat),
    inference(rewrite,[status(thm)],[clsarity_nat_3]),
    [] ).

fof(cls_SetInterval_OatLeastLessThan__empty_0,plain,
    ! [A,B,C] :
      ( ~ class_orderings_oorder(A)
      | ~ c_lessequals(B,C,A)
      | $equal(c_emptyset,c_setinterval_oatleastlessthan(C,B,A)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),
    [] ).

cnf(167093448,plain,
    ( ~ class_orderings_oorder(A)
    | ~ c_lessequals(B,C,A)
    | $equal(c_emptyset,c_setinterval_oatleastlessthan(C,B,A)) ),
    inference(rewrite,[status(thm)],[cls_SetInterval_OatLeastLessThan__empty_0]),
    [] ).

fof(cls_conjecture_0,plain,
    ! [A] : c_lessequals(A,v_x(A),tc_nat),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),
    [] ).

cnf(167112424,plain,
    c_lessequals(A,v_x(A),tc_nat),
    inference(rewrite,[status(thm)],[cls_conjecture_0]),
    [] ).

cnf(177580248,plain,
    $equal(c_emptyset,c_setinterval_oatleastlessthan(v_x(A),A,tc_nat)),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[167121136,167093448,167112424]),
    [] ).

fof(cls_conjecture_1,plain,
    ! [A] : $equal(v_nat,v_x(A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),
    [] ).

cnf(167116488,plain,
    $equal(v_nat,v_x(A)),
    inference(rewrite,[status(thm)],[cls_conjecture_1]),
    [] ).

cnf(177708656,plain,
    $equal(c_emptyset,c_setinterval_oatleastlessthan(v_nat,A,tc_nat)),
    inference(paramodulation,[status(thm)],[177580248,167116488,theory(equality)]),
    [] ).

fof(cls_SetInterval_OatLeastLessThan__singleton_0,plain,
    ! [A] : $equal(c_insert(A,c_emptyset,tc_nat),c_setinterval_oatleastlessthan(A,c_suc(A),tc_nat)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),
    [] ).

cnf(167098600,plain,
    $equal(c_insert(A,c_emptyset,tc_nat),c_setinterval_oatleastlessthan(A,c_suc(A),tc_nat)),
    inference(rewrite,[status(thm)],[cls_SetInterval_OatLeastLessThan__singleton_0]),
    [] ).

cnf(177912896,plain,
    $equal(c_insert(v_nat,c_emptyset,tc_nat),c_emptyset),
    inference(paramodulation,[status(thm)],[177708656,167098600,theory(equality)]),
    [] ).

fof(cls_Set_Oempty__not__insert_0,plain,
    ! [A,B,C] : ~ $equal(c_insert(A,B,C),c_emptyset),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),
    [] ).

cnf(167103536,plain,
    ~ $equal(c_insert(A,B,C),c_emptyset),
    inference(rewrite,[status(thm)],[cls_Set_Oempty__not__insert_0]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[177912896,167103536]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(clsarity_nat_3,plain,(class_orderings_oorder(tc_nat)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),[]).
% 
% cnf(167121136,plain,(class_orderings_oorder(tc_nat)),inference(rewrite,[status(thm)],[clsarity_nat_3]),[]).
% 
% fof(cls_SetInterval_OatLeastLessThan__empty_0,plain,(~class_orderings_oorder(A)|~c_lessequals(B,C,A)|$equal(c_emptyset,c_setinterval_oatleastlessthan(C,B,A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),[]).
% 
% cnf(167093448,plain,(~class_orderings_oorder(A)|~c_lessequals(B,C,A)|$equal(c_emptyset,c_setinterval_oatleastlessthan(C,B,A))),inference(rewrite,[status(thm)],[cls_SetInterval_OatLeastLessThan__empty_0]),[]).
% 
% fof(cls_conjecture_0,plain,(c_lessequals(A,v_x(A),tc_nat)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),[]).
% 
% cnf(167112424,plain,(c_lessequals(A,v_x(A),tc_nat)),inference(rewrite,[status(thm)],[cls_conjecture_0]),[]).
% 
% cnf(177580248,plain,($equal(c_emptyset,c_setinterval_oatleastlessthan(v_x(A),A,tc_nat))),inference(forward_subsumption_resolution__resolution,[status(thm)],[167121136,167093448,167112424]),[]).
% 
% fof(cls_conjecture_1,plain,($equal(v_nat,v_x(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),[]).
% 
% cnf(167116488,plain,($equal(v_nat,v_x(A))),inference(rewrite,[status(thm)],[cls_conjecture_1]),[]).
% 
% cnf(177708656,plain,($equal(c_emptyset,c_setinterval_oatleastlessthan(v_nat,A,tc_nat))),inference(paramodulation,[status(thm)],[177580248,167116488,theory(equality)]),[]).
% 
% fof(cls_SetInterval_OatLeastLessThan__singleton_0,plain,($equal(c_insert(A,c_emptyset,tc_nat),c_setinterval_oatleastlessthan(A,c_suc(A),tc_nat))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),[]).
% 
% cnf(167098600,plain,($equal(c_insert(A,c_emptyset,tc_nat),c_setinterval_oatleastlessthan(A,c_suc(A),tc_nat))),inference(rewrite,[status(thm)],[cls_SetInterval_OatLeastLessThan__singleton_0]),[]).
% 
% cnf(177912896,plain,($equal(c_insert(v_nat,c_emptyset,tc_nat),c_emptyset)),inference(paramodulation,[status(thm)],[177708656,167098600,theory(equality)]),[]).
% 
% fof(cls_Set_Oempty__not__insert_0,plain,(~$equal(c_insert(A,B,C),c_emptyset)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWV/SWV254-2.tptp',unknown),[]).
% 
% cnf(167103536,plain,(~$equal(c_insert(A,B,C),c_emptyset)),inference(rewrite,[status(thm)],[cls_Set_Oempty__not__insert_0]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[177912896,167103536]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------