TSTP Solution File: SWC122+1 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SWC122+1 : TPTP v5.0.0. Released v2.4.0.
% 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 10:20:37 EST 2010

% Result   : Theorem 0.27s
% Output   : CNFRefutation 0.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   72 (  18 unt;   0 def)
%            Number of atoms       :  346 (  70 equ)
%            Maximal formula atoms :   18 (   4 avg)
%            Number of connectives :  447 ( 173   ~; 176   |;  77   &)
%                                         (   2 <=>;  19  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   6 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   5 con; 0-2 aty)
%            Number of variables   :  106 (   0 sgn  62   !;  17   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(X1,nil) = X1 ),
    file('/tmp/tmpbq0UGK/sel_SWC122+1.p_1',ax84) ).

fof(10,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ssList(app(X1,X2)) ) ),
    file('/tmp/tmpbq0UGK/sel_SWC122+1.p_1',ax26) ).

fof(15,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( rearsegP(X1,X2)
          <=> ? [X3] :
                ( ssList(X3)
                & app(X3,X2) = X1 ) ) ) ),
    file('/tmp/tmpbq0UGK/sel_SWC122+1.p_1',ax6) ).

fof(16,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( segmentP(X1,X2)
          <=> ? [X3] :
                ( ssList(X3)
                & ? [X4] :
                    ( ssList(X4)
                    & app(app(X3,X2),X4) = X1 ) ) ) ) ),
    file('/tmp/tmpbq0UGK/sel_SWC122+1.p_1',ax7) ).

fof(23,axiom,
    ssList(nil),
    file('/tmp/tmpbq0UGK/sel_SWC122+1.p_1',ax17) ).

fof(33,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( X2 != X4
                    | X1 != X3
                    | ~ neq(X2,nil)
                    | ( nil != X3
                      & nil = X4 )
                    | ( neq(X1,nil)
                      & segmentP(X2,X1) )
                    | ( neq(X4,nil)
                      & ( ~ neq(X3,nil)
                        | ~ rearsegP(X4,X3) ) ) ) ) ) ) ),
    file('/tmp/tmpbq0UGK/sel_SWC122+1.p_1',co1) ).

fof(34,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ~ neq(X2,nil)
                      | ( nil != X3
                        & nil = X4 )
                      | ( neq(X1,nil)
                        & segmentP(X2,X1) )
                      | ( neq(X4,nil)
                        & ( ~ neq(X3,nil)
                          | ~ rearsegP(X4,X3) ) ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[33]) ).

fof(35,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ~ neq(X2,nil)
                      | ( nil != X3
                        & nil = X4 )
                      | ( neq(X1,nil)
                        & segmentP(X2,X1) )
                      | ( neq(X4,nil)
                        & ( ~ neq(X3,nil)
                          | ~ rearsegP(X4,X3) ) ) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[34,theory(equality)]) ).

fof(36,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | app(X1,nil) = X1 ),
    inference(fof_nnf,[status(thm)],[1]) ).

fof(37,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | app(X2,nil) = X2 ),
    inference(variable_rename,[status(thm)],[36]) ).

cnf(38,plain,
    ( app(X1,nil) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[37]) ).

fof(72,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ssList(app(X1,X2)) ) ),
    inference(fof_nnf,[status(thm)],[10]) ).

fof(73,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssList(X4)
          | ssList(app(X3,X4)) ) ),
    inference(variable_rename,[status(thm)],[72]) ).

fof(74,plain,
    ! [X3,X4] :
      ( ~ ssList(X4)
      | ssList(app(X3,X4))
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[73]) ).

cnf(75,plain,
    ( ssList(app(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[74]) ).

fof(98,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ( ( ~ rearsegP(X1,X2)
              | ? [X3] :
                  ( ssList(X3)
                  & app(X3,X2) = X1 ) )
            & ( ! [X3] :
                  ( ~ ssList(X3)
                  | app(X3,X2) != X1 )
              | rearsegP(X1,X2) ) ) ) ),
    inference(fof_nnf,[status(thm)],[15]) ).

fof(99,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ( ( ~ rearsegP(X4,X5)
              | ? [X6] :
                  ( ssList(X6)
                  & app(X6,X5) = X4 ) )
            & ( ! [X7] :
                  ( ~ ssList(X7)
                  | app(X7,X5) != X4 )
              | rearsegP(X4,X5) ) ) ) ),
    inference(variable_rename,[status(thm)],[98]) ).

fof(100,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ( ( ~ rearsegP(X4,X5)
              | ( ssList(esk5_2(X4,X5))
                & app(esk5_2(X4,X5),X5) = X4 ) )
            & ( ! [X7] :
                  ( ~ ssList(X7)
                  | app(X7,X5) != X4 )
              | rearsegP(X4,X5) ) ) ) ),
    inference(skolemize,[status(esa)],[99]) ).

fof(101,plain,
    ! [X4,X5,X7] :
      ( ( ( ~ ssList(X7)
          | app(X7,X5) != X4
          | rearsegP(X4,X5) )
        & ( ~ rearsegP(X4,X5)
          | ( ssList(esk5_2(X4,X5))
            & app(esk5_2(X4,X5),X5) = X4 ) ) )
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(shift_quantors,[status(thm)],[100]) ).

fof(102,plain,
    ! [X4,X5,X7] :
      ( ( ~ ssList(X7)
        | app(X7,X5) != X4
        | rearsegP(X4,X5)
        | ~ ssList(X5)
        | ~ ssList(X4) )
      & ( ssList(esk5_2(X4,X5))
        | ~ rearsegP(X4,X5)
        | ~ ssList(X5)
        | ~ ssList(X4) )
      & ( app(esk5_2(X4,X5),X5) = X4
        | ~ rearsegP(X4,X5)
        | ~ ssList(X5)
        | ~ ssList(X4) ) ),
    inference(distribute,[status(thm)],[101]) ).

cnf(103,plain,
    ( app(esk5_2(X1,X2),X2) = X1
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ rearsegP(X1,X2) ),
    inference(split_conjunct,[status(thm)],[102]) ).

cnf(104,plain,
    ( ssList(esk5_2(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ rearsegP(X1,X2) ),
    inference(split_conjunct,[status(thm)],[102]) ).

fof(106,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ( ( ~ segmentP(X1,X2)
              | ? [X3] :
                  ( ssList(X3)
                  & ? [X4] :
                      ( ssList(X4)
                      & app(app(X3,X2),X4) = X1 ) ) )
            & ( ! [X3] :
                  ( ~ ssList(X3)
                  | ! [X4] :
                      ( ~ ssList(X4)
                      | app(app(X3,X2),X4) != X1 ) )
              | segmentP(X1,X2) ) ) ) ),
    inference(fof_nnf,[status(thm)],[16]) ).

fof(107,plain,
    ! [X5] :
      ( ~ ssList(X5)
      | ! [X6] :
          ( ~ ssList(X6)
          | ( ( ~ segmentP(X5,X6)
              | ? [X7] :
                  ( ssList(X7)
                  & ? [X8] :
                      ( ssList(X8)
                      & app(app(X7,X6),X8) = X5 ) ) )
            & ( ! [X9] :
                  ( ~ ssList(X9)
                  | ! [X10] :
                      ( ~ ssList(X10)
                      | app(app(X9,X6),X10) != X5 ) )
              | segmentP(X5,X6) ) ) ) ),
    inference(variable_rename,[status(thm)],[106]) ).

fof(108,plain,
    ! [X5] :
      ( ~ ssList(X5)
      | ! [X6] :
          ( ~ ssList(X6)
          | ( ( ~ segmentP(X5,X6)
              | ( ssList(esk6_2(X5,X6))
                & ssList(esk7_2(X5,X6))
                & app(app(esk6_2(X5,X6),X6),esk7_2(X5,X6)) = X5 ) )
            & ( ! [X9] :
                  ( ~ ssList(X9)
                  | ! [X10] :
                      ( ~ ssList(X10)
                      | app(app(X9,X6),X10) != X5 ) )
              | segmentP(X5,X6) ) ) ) ),
    inference(skolemize,[status(esa)],[107]) ).

fof(109,plain,
    ! [X5,X6,X9,X10] :
      ( ( ( ~ ssList(X10)
          | app(app(X9,X6),X10) != X5
          | ~ ssList(X9)
          | segmentP(X5,X6) )
        & ( ~ segmentP(X5,X6)
          | ( ssList(esk6_2(X5,X6))
            & ssList(esk7_2(X5,X6))
            & app(app(esk6_2(X5,X6),X6),esk7_2(X5,X6)) = X5 ) ) )
      | ~ ssList(X6)
      | ~ ssList(X5) ),
    inference(shift_quantors,[status(thm)],[108]) ).

fof(110,plain,
    ! [X5,X6,X9,X10] :
      ( ( ~ ssList(X10)
        | app(app(X9,X6),X10) != X5
        | ~ ssList(X9)
        | segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) )
      & ( ssList(esk6_2(X5,X6))
        | ~ segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) )
      & ( ssList(esk7_2(X5,X6))
        | ~ segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) )
      & ( app(app(esk6_2(X5,X6),X6),esk7_2(X5,X6)) = X5
        | ~ segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) ) ),
    inference(distribute,[status(thm)],[109]) ).

cnf(114,plain,
    ( segmentP(X1,X2)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | app(app(X3,X2),X4) != X1
    | ~ ssList(X4) ),
    inference(split_conjunct,[status(thm)],[110]) ).

cnf(141,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[23]) ).

fof(179,negated_conjecture,
    ? [X1] :
      ( ssList(X1)
      & ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ssList(X3)
              & ? [X4] :
                  ( ssList(X4)
                  & X2 = X4
                  & X1 = X3
                  & neq(X2,nil)
                  & ( nil = X3
                    | nil != X4 )
                  & ( ~ neq(X1,nil)
                    | ~ segmentP(X2,X1) )
                  & ( ~ neq(X4,nil)
                    | ( neq(X3,nil)
                      & rearsegP(X4,X3) ) ) ) ) ) ),
    inference(fof_nnf,[status(thm)],[35]) ).

fof(180,negated_conjecture,
    ? [X5] :
      ( ssList(X5)
      & ? [X6] :
          ( ssList(X6)
          & ? [X7] :
              ( ssList(X7)
              & ? [X8] :
                  ( ssList(X8)
                  & X6 = X8
                  & X5 = X7
                  & neq(X6,nil)
                  & ( nil = X7
                    | nil != X8 )
                  & ( ~ neq(X5,nil)
                    | ~ segmentP(X6,X5) )
                  & ( ~ neq(X8,nil)
                    | ( neq(X7,nil)
                      & rearsegP(X8,X7) ) ) ) ) ) ),
    inference(variable_rename,[status(thm)],[179]) ).

fof(181,negated_conjecture,
    ( ssList(esk8_0)
    & ssList(esk9_0)
    & ssList(esk10_0)
    & ssList(esk11_0)
    & esk9_0 = esk11_0
    & esk8_0 = esk10_0
    & neq(esk9_0,nil)
    & ( nil = esk10_0
      | nil != esk11_0 )
    & ( ~ neq(esk8_0,nil)
      | ~ segmentP(esk9_0,esk8_0) )
    & ( ~ neq(esk11_0,nil)
      | ( neq(esk10_0,nil)
        & rearsegP(esk11_0,esk10_0) ) ) ),
    inference(skolemize,[status(esa)],[180]) ).

fof(182,negated_conjecture,
    ( ssList(esk8_0)
    & ssList(esk9_0)
    & ssList(esk10_0)
    & ssList(esk11_0)
    & esk9_0 = esk11_0
    & esk8_0 = esk10_0
    & neq(esk9_0,nil)
    & ( nil = esk10_0
      | nil != esk11_0 )
    & ( ~ neq(esk8_0,nil)
      | ~ segmentP(esk9_0,esk8_0) )
    & ( neq(esk10_0,nil)
      | ~ neq(esk11_0,nil) )
    & ( rearsegP(esk11_0,esk10_0)
      | ~ neq(esk11_0,nil) ) ),
    inference(distribute,[status(thm)],[181]) ).

cnf(183,negated_conjecture,
    ( rearsegP(esk11_0,esk10_0)
    | ~ neq(esk11_0,nil) ),
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(184,negated_conjecture,
    ( neq(esk10_0,nil)
    | ~ neq(esk11_0,nil) ),
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(185,negated_conjecture,
    ( ~ segmentP(esk9_0,esk8_0)
    | ~ neq(esk8_0,nil) ),
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(187,negated_conjecture,
    neq(esk9_0,nil),
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(188,negated_conjecture,
    esk8_0 = esk10_0,
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(189,negated_conjecture,
    esk9_0 = esk11_0,
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(192,negated_conjecture,
    ssList(esk9_0),
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(193,negated_conjecture,
    ssList(esk8_0),
    inference(split_conjunct,[status(thm)],[182]) ).

cnf(194,negated_conjecture,
    ssList(esk10_0),
    inference(rw,[status(thm)],[193,188,theory(equality)]) ).

cnf(195,negated_conjecture,
    ssList(esk11_0),
    inference(rw,[status(thm)],[192,189,theory(equality)]) ).

cnf(196,negated_conjecture,
    neq(esk11_0,nil),
    inference(rw,[status(thm)],[187,189,theory(equality)]) ).

cnf(197,negated_conjecture,
    ( rearsegP(esk11_0,esk10_0)
    | $false ),
    inference(rw,[status(thm)],[183,196,theory(equality)]) ).

cnf(198,negated_conjecture,
    rearsegP(esk11_0,esk10_0),
    inference(cn,[status(thm)],[197,theory(equality)]) ).

cnf(199,negated_conjecture,
    ( neq(esk10_0,nil)
    | $false ),
    inference(rw,[status(thm)],[184,196,theory(equality)]) ).

cnf(200,negated_conjecture,
    neq(esk10_0,nil),
    inference(cn,[status(thm)],[199,theory(equality)]) ).

cnf(201,negated_conjecture,
    ( $false
    | ~ segmentP(esk9_0,esk8_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[185,188,theory(equality)]),200,theory(equality)]) ).

cnf(202,negated_conjecture,
    ( $false
    | ~ segmentP(esk11_0,esk10_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[201,189,theory(equality)]),188,theory(equality)]) ).

cnf(203,negated_conjecture,
    ~ segmentP(esk11_0,esk10_0),
    inference(cn,[status(thm)],[202,theory(equality)]) ).

cnf(230,negated_conjecture,
    ( ssList(esk5_2(esk11_0,esk10_0))
    | ~ ssList(esk10_0)
    | ~ ssList(esk11_0) ),
    inference(spm,[status(thm)],[104,198,theory(equality)]) ).

cnf(273,negated_conjecture,
    ( app(esk5_2(esk11_0,esk10_0),esk10_0) = esk11_0
    | ~ ssList(esk10_0)
    | ~ ssList(esk11_0) ),
    inference(spm,[status(thm)],[103,198,theory(equality)]) ).

cnf(306,plain,
    ( segmentP(X1,X2)
    | app(X3,X2) != X1
    | ~ ssList(nil)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ ssList(app(X3,X2)) ),
    inference(spm,[status(thm)],[114,38,theory(equality)]) ).

cnf(310,plain,
    ( segmentP(X1,X2)
    | app(X3,X2) != X1
    | $false
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ ssList(app(X3,X2)) ),
    inference(rw,[status(thm)],[306,141,theory(equality)]) ).

cnf(311,plain,
    ( segmentP(X1,X2)
    | app(X3,X2) != X1
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ ssList(app(X3,X2)) ),
    inference(cn,[status(thm)],[310,theory(equality)]) ).

cnf(433,negated_conjecture,
    ( ssList(esk5_2(esk11_0,esk10_0))
    | $false
    | ~ ssList(esk11_0) ),
    inference(rw,[status(thm)],[230,194,theory(equality)]) ).

cnf(434,negated_conjecture,
    ( ssList(esk5_2(esk11_0,esk10_0))
    | $false
    | $false ),
    inference(rw,[status(thm)],[433,195,theory(equality)]) ).

cnf(435,negated_conjecture,
    ssList(esk5_2(esk11_0,esk10_0)),
    inference(cn,[status(thm)],[434,theory(equality)]) ).

cnf(807,negated_conjecture,
    ( app(esk5_2(esk11_0,esk10_0),esk10_0) = esk11_0
    | $false
    | ~ ssList(esk11_0) ),
    inference(rw,[status(thm)],[273,194,theory(equality)]) ).

cnf(808,negated_conjecture,
    ( app(esk5_2(esk11_0,esk10_0),esk10_0) = esk11_0
    | $false
    | $false ),
    inference(rw,[status(thm)],[807,195,theory(equality)]) ).

cnf(809,negated_conjecture,
    app(esk5_2(esk11_0,esk10_0),esk10_0) = esk11_0,
    inference(cn,[status(thm)],[808,theory(equality)]) ).

cnf(2214,plain,
    ( segmentP(X1,X2)
    | app(X3,X2) != X1
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[311,75]) ).

cnf(2217,negated_conjecture,
    ( segmentP(X1,esk10_0)
    | esk11_0 != X1
    | ~ ssList(esk5_2(esk11_0,esk10_0))
    | ~ ssList(esk10_0)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[2214,809,theory(equality)]) ).

cnf(2229,negated_conjecture,
    ( segmentP(X1,esk10_0)
    | esk11_0 != X1
    | ~ ssList(esk5_2(esk11_0,esk10_0))
    | $false
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[2217,194,theory(equality)]) ).

cnf(2230,negated_conjecture,
    ( segmentP(X1,esk10_0)
    | esk11_0 != X1
    | ~ ssList(esk5_2(esk11_0,esk10_0))
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[2229,theory(equality)]) ).

cnf(2367,negated_conjecture,
    ( segmentP(X1,esk10_0)
    | esk11_0 != X1
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[2230,435,theory(equality)]) ).

cnf(2368,negated_conjecture,
    ( segmentP(esk11_0,esk10_0)
    | ~ ssList(esk11_0) ),
    inference(er,[status(thm)],[2367,theory(equality)]) ).

cnf(2369,negated_conjecture,
    ( segmentP(esk11_0,esk10_0)
    | $false ),
    inference(rw,[status(thm)],[2368,195,theory(equality)]) ).

cnf(2370,negated_conjecture,
    segmentP(esk11_0,esk10_0),
    inference(cn,[status(thm)],[2369,theory(equality)]) ).

cnf(2371,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[2370,203,theory(equality)]) ).

cnf(2372,negated_conjecture,
    $false,
    2371,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SWC/SWC122+1.p
% --creating new selector for [SWC001+0.ax]
% -running prover on /tmp/tmpbq0UGK/sel_SWC122+1.p_1 with time limit 29
% -prover status Theorem
% Problem SWC122+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SWC/SWC122+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SWC/SWC122+1.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
% 
%------------------------------------------------------------------------------