TSTP Solution File: SET351+4 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET351+4 : 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 02:55:20 EST 2010

% Result   : Theorem 0.19s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   48 (  13 unt;   0 def)
%            Number of atoms       :  147 (   8 equ)
%            Maximal formula atoms :    7 (   3 avg)
%            Number of connectives :  160 (  61   ~;  64   |;  30   &)
%                                         (   4 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   93 (   0 sgn  51   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/tmp/tmpY_t1Ze/sel_SET351+4.p_1',subset) ).

fof(2,axiom,
    ! [X1,X2] :
      ( equal_set(X1,X2)
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/tmp/tmpY_t1Ze/sel_SET351+4.p_1',equal_set) ).

fof(3,axiom,
    ! [X3,X1] :
      ( member(X3,singleton(X1))
    <=> X3 = X1 ),
    file('/tmp/tmpY_t1Ze/sel_SET351+4.p_1',singleton) ).

fof(4,axiom,
    ! [X3,X1] :
      ( member(X3,sum(X1))
    <=> ? [X4] :
          ( member(X4,X1)
          & member(X3,X4) ) ),
    file('/tmp/tmpY_t1Ze/sel_SET351+4.p_1',sum) ).

fof(5,conjecture,
    ! [X1] : equal_set(sum(singleton(X1)),X1),
    file('/tmp/tmpY_t1Ze/sel_SET351+4.p_1',thI39) ).

fof(6,negated_conjecture,
    ~ ! [X1] : equal_set(sum(singleton(X1)),X1),
    inference(assume_negation,[status(cth)],[5]) ).

fof(7,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)],[1]) ).

fof(8,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)],[7]) ).

fof(9,plain,
    ! [X4,X5] :
      ( ( ~ subset(X4,X5)
        | ! [X6] :
            ( ~ member(X6,X4)
            | member(X6,X5) ) )
      & ( ( member(esk1_2(X4,X5),X4)
          & ~ member(esk1_2(X4,X5),X5) )
        | subset(X4,X5) ) ),
    inference(skolemize,[status(esa)],[8]) ).

fof(10,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,X4)
        | member(X6,X5)
        | ~ subset(X4,X5) )
      & ( ( member(esk1_2(X4,X5),X4)
          & ~ member(esk1_2(X4,X5),X5) )
        | subset(X4,X5) ) ),
    inference(shift_quantors,[status(thm)],[9]) ).

fof(11,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,X4)
        | member(X6,X5)
        | ~ subset(X4,X5) )
      & ( member(esk1_2(X4,X5),X4)
        | subset(X4,X5) )
      & ( ~ member(esk1_2(X4,X5),X5)
        | subset(X4,X5) ) ),
    inference(distribute,[status(thm)],[10]) ).

cnf(12,plain,
    ( subset(X1,X2)
    | ~ member(esk1_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[11]) ).

cnf(13,plain,
    ( subset(X1,X2)
    | member(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[11]) ).

fof(15,plain,
    ! [X1,X2] :
      ( ( ~ equal_set(X1,X2)
        | ( subset(X1,X2)
          & subset(X2,X1) ) )
      & ( ~ subset(X1,X2)
        | ~ subset(X2,X1)
        | equal_set(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[2]) ).

fof(16,plain,
    ! [X3,X4] :
      ( ( ~ equal_set(X3,X4)
        | ( subset(X3,X4)
          & subset(X4,X3) ) )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | equal_set(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[15]) ).

fof(17,plain,
    ! [X3,X4] :
      ( ( subset(X3,X4)
        | ~ equal_set(X3,X4) )
      & ( subset(X4,X3)
        | ~ equal_set(X3,X4) )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | equal_set(X3,X4) ) ),
    inference(distribute,[status(thm)],[16]) ).

cnf(18,plain,
    ( equal_set(X1,X2)
    | ~ subset(X2,X1)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[17]) ).

fof(21,plain,
    ! [X3,X1] :
      ( ( ~ member(X3,singleton(X1))
        | X3 = X1 )
      & ( X3 != X1
        | member(X3,singleton(X1)) ) ),
    inference(fof_nnf,[status(thm)],[3]) ).

fof(22,plain,
    ! [X4,X5] :
      ( ( ~ member(X4,singleton(X5))
        | X4 = X5 )
      & ( X4 != X5
        | member(X4,singleton(X5)) ) ),
    inference(variable_rename,[status(thm)],[21]) ).

cnf(23,plain,
    ( member(X1,singleton(X2))
    | X1 != X2 ),
    inference(split_conjunct,[status(thm)],[22]) ).

cnf(24,plain,
    ( X1 = X2
    | ~ member(X1,singleton(X2)) ),
    inference(split_conjunct,[status(thm)],[22]) ).

fof(25,plain,
    ! [X3,X1] :
      ( ( ~ member(X3,sum(X1))
        | ? [X4] :
            ( member(X4,X1)
            & member(X3,X4) ) )
      & ( ! [X4] :
            ( ~ member(X4,X1)
            | ~ member(X3,X4) )
        | member(X3,sum(X1)) ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(26,plain,
    ! [X5,X6] :
      ( ( ~ member(X5,sum(X6))
        | ? [X7] :
            ( member(X7,X6)
            & member(X5,X7) ) )
      & ( ! [X8] :
            ( ~ member(X8,X6)
            | ~ member(X5,X8) )
        | member(X5,sum(X6)) ) ),
    inference(variable_rename,[status(thm)],[25]) ).

fof(27,plain,
    ! [X5,X6] :
      ( ( ~ member(X5,sum(X6))
        | ( member(esk2_2(X5,X6),X6)
          & member(X5,esk2_2(X5,X6)) ) )
      & ( ! [X8] :
            ( ~ member(X8,X6)
            | ~ member(X5,X8) )
        | member(X5,sum(X6)) ) ),
    inference(skolemize,[status(esa)],[26]) ).

fof(28,plain,
    ! [X5,X6,X8] :
      ( ( ~ member(X8,X6)
        | ~ member(X5,X8)
        | member(X5,sum(X6)) )
      & ( ~ member(X5,sum(X6))
        | ( member(esk2_2(X5,X6),X6)
          & member(X5,esk2_2(X5,X6)) ) ) ),
    inference(shift_quantors,[status(thm)],[27]) ).

fof(29,plain,
    ! [X5,X6,X8] :
      ( ( ~ member(X8,X6)
        | ~ member(X5,X8)
        | member(X5,sum(X6)) )
      & ( member(esk2_2(X5,X6),X6)
        | ~ member(X5,sum(X6)) )
      & ( member(X5,esk2_2(X5,X6))
        | ~ member(X5,sum(X6)) ) ),
    inference(distribute,[status(thm)],[28]) ).

cnf(30,plain,
    ( member(X1,esk2_2(X1,X2))
    | ~ member(X1,sum(X2)) ),
    inference(split_conjunct,[status(thm)],[29]) ).

cnf(31,plain,
    ( member(esk2_2(X1,X2),X2)
    | ~ member(X1,sum(X2)) ),
    inference(split_conjunct,[status(thm)],[29]) ).

cnf(32,plain,
    ( member(X1,sum(X2))
    | ~ member(X1,X3)
    | ~ member(X3,X2) ),
    inference(split_conjunct,[status(thm)],[29]) ).

fof(33,negated_conjecture,
    ? [X1] : ~ equal_set(sum(singleton(X1)),X1),
    inference(fof_nnf,[status(thm)],[6]) ).

fof(34,negated_conjecture,
    ? [X2] : ~ equal_set(sum(singleton(X2)),X2),
    inference(variable_rename,[status(thm)],[33]) ).

fof(35,negated_conjecture,
    ~ equal_set(sum(singleton(esk3_0)),esk3_0),
    inference(skolemize,[status(esa)],[34]) ).

cnf(36,negated_conjecture,
    ~ equal_set(sum(singleton(esk3_0)),esk3_0),
    inference(split_conjunct,[status(thm)],[35]) ).

cnf(37,plain,
    member(X1,singleton(X1)),
    inference(er,[status(thm)],[23,theory(equality)]) ).

cnf(38,plain,
    ( member(esk1_2(sum(X1),X2),esk2_2(esk1_2(sum(X1),X2),X1))
    | subset(sum(X1),X2) ),
    inference(spm,[status(thm)],[30,13,theory(equality)]) ).

cnf(39,plain,
    ( member(esk2_2(esk1_2(sum(X1),X2),X1),X1)
    | subset(sum(X1),X2) ),
    inference(spm,[status(thm)],[31,13,theory(equality)]) ).

cnf(51,plain,
    ( member(X1,sum(singleton(X2)))
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[32,37,theory(equality)]) ).

cnf(53,plain,
    ( member(esk1_2(X1,X2),sum(singleton(X1)))
    | subset(X1,X2) ),
    inference(spm,[status(thm)],[51,13,theory(equality)]) ).

cnf(87,plain,
    subset(X1,sum(singleton(X1))),
    inference(spm,[status(thm)],[12,53,theory(equality)]) ).

cnf(92,plain,
    ( equal_set(sum(singleton(X1)),X1)
    | ~ subset(sum(singleton(X1)),X1) ),
    inference(spm,[status(thm)],[18,87,theory(equality)]) ).

cnf(98,plain,
    ( esk2_2(esk1_2(sum(singleton(X1)),X2),singleton(X1)) = X1
    | subset(sum(singleton(X1)),X2) ),
    inference(spm,[status(thm)],[24,39,theory(equality)]) ).

cnf(665,plain,
    ( member(esk1_2(sum(singleton(X1)),X2),X1)
    | subset(sum(singleton(X1)),X2) ),
    inference(spm,[status(thm)],[38,98,theory(equality)]) ).

cnf(672,plain,
    subset(sum(singleton(X1)),X1),
    inference(spm,[status(thm)],[12,665,theory(equality)]) ).

cnf(697,plain,
    ( equal_set(sum(singleton(X1)),X1)
    | $false ),
    inference(rw,[status(thm)],[92,672,theory(equality)]) ).

cnf(698,plain,
    equal_set(sum(singleton(X1)),X1),
    inference(cn,[status(thm)],[697,theory(equality)]) ).

cnf(703,negated_conjecture,
    $false,
    inference(rw,[status(thm)],[36,698,theory(equality)]) ).

cnf(704,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[703,theory(equality)]) ).

cnf(705,negated_conjecture,
    $false,
    704,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET351+4.p
% --creating new selector for [SET006+0.ax]
% -running prover on /tmp/tmpY_t1Ze/sel_SET351+4.p_1 with time limit 29
% -prover status Theorem
% Problem SET351+4.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET351+4.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET351+4.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
% 
%------------------------------------------------------------------------------