TSTP Solution File: SET162+3 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET162+3 : TPTP v5.0.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art07.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 : Sun Dec 26 02:52:55 EST 2010

% Result   : Theorem 0.29s
% Output   : CNFRefutation 0.29s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   44 (  20 unt;   0 def)
%            Number of atoms       :  121 (  22 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  128 (  51   ~;  50   |;  23   &)
%                                         (   3 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   80 (   3 sgn  47   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,conjecture,
    ! [X1] : union(X1,empty_set) = X1,
    file('/tmp/tmpaZuS2N/sel_SET162+3.p_1',prove_union_empty_set) ).

fof(2,axiom,
    ! [X1,X2] : union(X1,X2) = union(X2,X1),
    file('/tmp/tmpaZuS2N/sel_SET162+3.p_1',commutativity_of_union) ).

fof(4,axiom,
    ! [X1,X2] :
      ( X1 = X2
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/tmp/tmpaZuS2N/sel_SET162+3.p_1',equal_defn) ).

fof(5,axiom,
    ! [X1,X2,X3] :
      ( member(X3,union(X1,X2))
    <=> ( member(X3,X1)
        | member(X3,X2) ) ),
    file('/tmp/tmpaZuS2N/sel_SET162+3.p_1',union_defn) ).

fof(6,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/tmp/tmpaZuS2N/sel_SET162+3.p_1',subset_defn) ).

fof(9,axiom,
    ! [X1] : ~ member(X1,empty_set),
    file('/tmp/tmpaZuS2N/sel_SET162+3.p_1',empty_set_defn) ).

fof(10,negated_conjecture,
    ~ ! [X1] : union(X1,empty_set) = X1,
    inference(assume_negation,[status(cth)],[1]) ).

fof(12,plain,
    ! [X1] : ~ member(X1,empty_set),
    inference(fof_simplification,[status(thm)],[9,theory(equality)]) ).

fof(13,negated_conjecture,
    ? [X1] : union(X1,empty_set) != X1,
    inference(fof_nnf,[status(thm)],[10]) ).

fof(14,negated_conjecture,
    ? [X2] : union(X2,empty_set) != X2,
    inference(variable_rename,[status(thm)],[13]) ).

fof(15,negated_conjecture,
    union(esk1_0,empty_set) != esk1_0,
    inference(skolemize,[status(esa)],[14]) ).

cnf(16,negated_conjecture,
    union(esk1_0,empty_set) != esk1_0,
    inference(split_conjunct,[status(thm)],[15]) ).

fof(17,plain,
    ! [X3,X4] : union(X3,X4) = union(X4,X3),
    inference(variable_rename,[status(thm)],[2]) ).

cnf(18,plain,
    union(X1,X2) = union(X2,X1),
    inference(split_conjunct,[status(thm)],[17]) ).

fof(25,plain,
    ! [X1,X2] :
      ( ( X1 != X2
        | ( subset(X1,X2)
          & subset(X2,X1) ) )
      & ( ~ subset(X1,X2)
        | ~ subset(X2,X1)
        | X1 = X2 ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(26,plain,
    ! [X3,X4] :
      ( ( X3 != X4
        | ( subset(X3,X4)
          & subset(X4,X3) ) )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | X3 = X4 ) ),
    inference(variable_rename,[status(thm)],[25]) ).

fof(27,plain,
    ! [X3,X4] :
      ( ( subset(X3,X4)
        | X3 != X4 )
      & ( subset(X4,X3)
        | X3 != X4 )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | X3 = X4 ) ),
    inference(distribute,[status(thm)],[26]) ).

cnf(28,plain,
    ( X1 = X2
    | ~ subset(X2,X1)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[27]) ).

fof(31,plain,
    ! [X1,X2,X3] :
      ( ( ~ member(X3,union(X1,X2))
        | member(X3,X1)
        | member(X3,X2) )
      & ( ( ~ member(X3,X1)
          & ~ member(X3,X2) )
        | member(X3,union(X1,X2)) ) ),
    inference(fof_nnf,[status(thm)],[5]) ).

fof(32,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,union(X4,X5))
        | member(X6,X4)
        | member(X6,X5) )
      & ( ( ~ member(X6,X4)
          & ~ member(X6,X5) )
        | member(X6,union(X4,X5)) ) ),
    inference(variable_rename,[status(thm)],[31]) ).

fof(33,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,union(X4,X5))
        | member(X6,X4)
        | member(X6,X5) )
      & ( ~ member(X6,X4)
        | member(X6,union(X4,X5)) )
      & ( ~ member(X6,X5)
        | member(X6,union(X4,X5)) ) ),
    inference(distribute,[status(thm)],[32]) ).

cnf(34,plain,
    ( member(X1,union(X2,X3))
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[33]) ).

cnf(36,plain,
    ( member(X1,X2)
    | member(X1,X3)
    | ~ member(X1,union(X3,X2)) ),
    inference(split_conjunct,[status(thm)],[33]) ).

fof(37,plain,
    ! [X1,X2] :
      ( ( ~ subset(X1,X2)
        | ! [X3] :
            ( ~ member(X3,X1)
            | member(X3,X2) ) )
      & ( ? [X3] :
            ( member(X3,X1)
            & ~ member(X3,X2) )
        | subset(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[6]) ).

fof(38,plain,
    ! [X4,X5] :
      ( ( ~ subset(X4,X5)
        | ! [X6] :
            ( ~ member(X6,X4)
            | member(X6,X5) ) )
      & ( ? [X7] :
            ( member(X7,X4)
            & ~ member(X7,X5) )
        | subset(X4,X5) ) ),
    inference(variable_rename,[status(thm)],[37]) ).

fof(39,plain,
    ! [X4,X5] :
      ( ( ~ subset(X4,X5)
        | ! [X6] :
            ( ~ member(X6,X4)
            | member(X6,X5) ) )
      & ( ( member(esk3_2(X4,X5),X4)
          & ~ member(esk3_2(X4,X5),X5) )
        | subset(X4,X5) ) ),
    inference(skolemize,[status(esa)],[38]) ).

fof(40,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,X4)
        | member(X6,X5)
        | ~ subset(X4,X5) )
      & ( ( member(esk3_2(X4,X5),X4)
          & ~ member(esk3_2(X4,X5),X5) )
        | subset(X4,X5) ) ),
    inference(shift_quantors,[status(thm)],[39]) ).

fof(41,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,X4)
        | member(X6,X5)
        | ~ subset(X4,X5) )
      & ( member(esk3_2(X4,X5),X4)
        | subset(X4,X5) )
      & ( ~ member(esk3_2(X4,X5),X5)
        | subset(X4,X5) ) ),
    inference(distribute,[status(thm)],[40]) ).

cnf(42,plain,
    ( subset(X1,X2)
    | ~ member(esk3_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[41]) ).

cnf(43,plain,
    ( subset(X1,X2)
    | member(esk3_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[41]) ).

fof(56,plain,
    ! [X2] : ~ member(X2,empty_set),
    inference(variable_rename,[status(thm)],[12]) ).

cnf(57,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[56]) ).

cnf(58,negated_conjecture,
    union(empty_set,esk1_0) != esk1_0,
    inference(rw,[status(thm)],[16,18,theory(equality)]) ).

cnf(73,plain,
    ( subset(X1,union(X2,X3))
    | ~ member(esk3_2(X1,union(X2,X3)),X3) ),
    inference(spm,[status(thm)],[42,34,theory(equality)]) ).

cnf(83,plain,
    ( member(esk3_2(union(X1,X2),X3),X2)
    | member(esk3_2(union(X1,X2),X3),X1)
    | subset(union(X1,X2),X3) ),
    inference(spm,[status(thm)],[36,43,theory(equality)]) ).

cnf(122,plain,
    subset(X1,union(X2,X1)),
    inference(spm,[status(thm)],[73,43,theory(equality)]) ).

cnf(245,plain,
    ( subset(union(empty_set,X1),X2)
    | member(esk3_2(union(empty_set,X1),X2),X1) ),
    inference(spm,[status(thm)],[57,83,theory(equality)]) ).

cnf(3911,plain,
    subset(union(empty_set,X1),X1),
    inference(spm,[status(thm)],[42,245,theory(equality)]) ).

cnf(3952,plain,
    ( X1 = union(empty_set,X1)
    | ~ subset(X1,union(empty_set,X1)) ),
    inference(spm,[status(thm)],[28,3911,theory(equality)]) ).

cnf(3969,plain,
    ( X1 = union(empty_set,X1)
    | $false ),
    inference(rw,[status(thm)],[3952,122,theory(equality)]) ).

cnf(3970,plain,
    X1 = union(empty_set,X1),
    inference(cn,[status(thm)],[3969,theory(equality)]) ).

cnf(4040,negated_conjecture,
    $false,
    inference(rw,[status(thm)],[58,3970,theory(equality)]) ).

cnf(4041,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[4040,theory(equality)]) ).

cnf(4042,negated_conjecture,
    $false,
    4041,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET162+3.p
% --creating new selector for []
% -running prover on /tmp/tmpaZuS2N/sel_SET162+3.p_1 with time limit 29
% -prover status Theorem
% Problem SET162+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET162+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET162+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
% 
%------------------------------------------------------------------------------