TSTP Solution File: SEU238+3 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SEU238+3 : TPTP v5.0.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art11.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 3.00GHz @ 3000MHz
% Memory   : 2006MB
% OS       : Linux 2.6.31.5-127.fc12.i686.PAE
% CPULimit : 300s
% DateTime : Sun Dec 26 06:14:59 EST 2010

% Result   : Theorem 1.64s
% Output   : CNFRefutation 1.64s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   92 (  14 unt;   0 def)
%            Number of atoms       :  392 (  43 equ)
%            Maximal formula atoms :   16 (   4 avg)
%            Number of connectives :  523 ( 223   ~; 198   |;  79   &)
%                                         (   4 <=>;  19  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :  134 (   0 sgn  74   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(4,axiom,
    ! [X1] :
      ( epsilon_transitive(X1)
     => ! [X2] :
          ( ordinal(X2)
         => ( proper_subset(X1,X2)
           => in(X1,X2) ) ) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',t21_ordinal1) ).

fof(7,axiom,
    ! [X1] : in(X1,succ(X1)),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',t10_ordinal1) ).

fof(9,axiom,
    ! [X1] :
      ( ordinal(X1)
     => ! [X2] :
          ( ordinal(X2)
         => ( in(X1,X2)
          <=> ordinal_subset(succ(X1),X2) ) ) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',t33_ordinal1) ).

fof(25,axiom,
    ! [X1,X2] :
      ( in(X1,X2)
     => ~ in(X2,X1) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',antisymmetry_r2_hidden) ).

fof(29,axiom,
    ! [X1,X2] :
      ( ( ordinal(X1)
        & ordinal(X2) )
     => ( ordinal_subset(X1,X2)
      <=> subset(X1,X2) ) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',redefinition_r1_ordinal1) ).

fof(30,axiom,
    ! [X1] : succ(X1) = set_union2(X1,singleton(X1)),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',d1_ordinal1) ).

fof(31,axiom,
    ! [X1] :
      ( ordinal(X1)
     => ( ~ empty(succ(X1))
        & epsilon_transitive(succ(X1))
        & epsilon_connected(succ(X1))
        & ordinal(succ(X1)) ) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',fc3_ordinal1) ).

fof(35,axiom,
    ! [X1] :
      ( ordinal(X1)
     => ( being_limit_ordinal(X1)
      <=> ! [X2] :
            ( ordinal(X2)
           => ( in(X2,X1)
             => in(succ(X2),X1) ) ) ) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',t41_ordinal1) ).

fof(37,conjecture,
    ! [X1] :
      ( ordinal(X1)
     => ( ~ ( ~ being_limit_ordinal(X1)
            & ! [X2] :
                ( ordinal(X2)
               => X1 != succ(X2) ) )
        & ~ ( ? [X2] :
                ( ordinal(X2)
                & X1 = succ(X2) )
            & being_limit_ordinal(X1) ) ) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',t42_ordinal1) ).

fof(39,axiom,
    ! [X1,X2] :
      ( proper_subset(X1,X2)
    <=> ( subset(X1,X2)
        & X1 != X2 ) ),
    file('/tmp/tmpptBHyv/sel_SEU238+3.p_1',d8_xboole_0) ).

fof(55,negated_conjecture,
    ~ ! [X1] :
        ( ordinal(X1)
       => ( ~ ( ~ being_limit_ordinal(X1)
              & ! [X2] :
                  ( ordinal(X2)
                 => X1 != succ(X2) ) )
          & ~ ( ? [X2] :
                  ( ordinal(X2)
                  & X1 = succ(X2) )
              & being_limit_ordinal(X1) ) ) ),
    inference(assume_negation,[status(cth)],[37]) ).

fof(61,plain,
    ! [X1,X2] :
      ( in(X1,X2)
     => ~ in(X2,X1) ),
    inference(fof_simplification,[status(thm)],[25,theory(equality)]) ).

fof(62,plain,
    ! [X1] :
      ( ordinal(X1)
     => ( ~ empty(succ(X1))
        & epsilon_transitive(succ(X1))
        & epsilon_connected(succ(X1))
        & ordinal(succ(X1)) ) ),
    inference(fof_simplification,[status(thm)],[31,theory(equality)]) ).

fof(64,negated_conjecture,
    ~ ! [X1] :
        ( ordinal(X1)
       => ( ~ ( ~ being_limit_ordinal(X1)
              & ! [X2] :
                  ( ordinal(X2)
                 => X1 != succ(X2) ) )
          & ~ ( ? [X2] :
                  ( ordinal(X2)
                  & X1 = succ(X2) )
              & being_limit_ordinal(X1) ) ) ),
    inference(fof_simplification,[status(thm)],[55,theory(equality)]) ).

fof(80,plain,
    ! [X1] :
      ( ~ epsilon_transitive(X1)
      | ! [X2] :
          ( ~ ordinal(X2)
          | ~ proper_subset(X1,X2)
          | in(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(81,plain,
    ! [X3] :
      ( ~ epsilon_transitive(X3)
      | ! [X4] :
          ( ~ ordinal(X4)
          | ~ proper_subset(X3,X4)
          | in(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[80]) ).

fof(82,plain,
    ! [X3,X4] :
      ( ~ ordinal(X4)
      | ~ proper_subset(X3,X4)
      | in(X3,X4)
      | ~ epsilon_transitive(X3) ),
    inference(shift_quantors,[status(thm)],[81]) ).

cnf(83,plain,
    ( in(X1,X2)
    | ~ epsilon_transitive(X1)
    | ~ proper_subset(X1,X2)
    | ~ ordinal(X2) ),
    inference(split_conjunct,[status(thm)],[82]) ).

fof(90,plain,
    ! [X2] : in(X2,succ(X2)),
    inference(variable_rename,[status(thm)],[7]) ).

cnf(91,plain,
    in(X1,succ(X1)),
    inference(split_conjunct,[status(thm)],[90]) ).

fof(95,plain,
    ! [X1] :
      ( ~ ordinal(X1)
      | ! [X2] :
          ( ~ ordinal(X2)
          | ( ( ~ in(X1,X2)
              | ordinal_subset(succ(X1),X2) )
            & ( ~ ordinal_subset(succ(X1),X2)
              | in(X1,X2) ) ) ) ),
    inference(fof_nnf,[status(thm)],[9]) ).

fof(96,plain,
    ! [X3] :
      ( ~ ordinal(X3)
      | ! [X4] :
          ( ~ ordinal(X4)
          | ( ( ~ in(X3,X4)
              | ordinal_subset(succ(X3),X4) )
            & ( ~ ordinal_subset(succ(X3),X4)
              | in(X3,X4) ) ) ) ),
    inference(variable_rename,[status(thm)],[95]) ).

fof(97,plain,
    ! [X3,X4] :
      ( ~ ordinal(X4)
      | ( ( ~ in(X3,X4)
          | ordinal_subset(succ(X3),X4) )
        & ( ~ ordinal_subset(succ(X3),X4)
          | in(X3,X4) ) )
      | ~ ordinal(X3) ),
    inference(shift_quantors,[status(thm)],[96]) ).

fof(98,plain,
    ! [X3,X4] :
      ( ( ~ in(X3,X4)
        | ordinal_subset(succ(X3),X4)
        | ~ ordinal(X4)
        | ~ ordinal(X3) )
      & ( ~ ordinal_subset(succ(X3),X4)
        | in(X3,X4)
        | ~ ordinal(X4)
        | ~ ordinal(X3) ) ),
    inference(distribute,[status(thm)],[97]) ).

cnf(100,plain,
    ( ordinal_subset(succ(X1),X2)
    | ~ ordinal(X1)
    | ~ ordinal(X2)
    | ~ in(X1,X2) ),
    inference(split_conjunct,[status(thm)],[98]) ).

fof(158,plain,
    ! [X1,X2] :
      ( ~ in(X1,X2)
      | ~ in(X2,X1) ),
    inference(fof_nnf,[status(thm)],[61]) ).

fof(159,plain,
    ! [X3,X4] :
      ( ~ in(X3,X4)
      | ~ in(X4,X3) ),
    inference(variable_rename,[status(thm)],[158]) ).

cnf(160,plain,
    ( ~ in(X1,X2)
    | ~ in(X2,X1) ),
    inference(split_conjunct,[status(thm)],[159]) ).

fof(171,plain,
    ! [X1,X2] :
      ( ~ ordinal(X1)
      | ~ ordinal(X2)
      | ( ( ~ ordinal_subset(X1,X2)
          | subset(X1,X2) )
        & ( ~ subset(X1,X2)
          | ordinal_subset(X1,X2) ) ) ),
    inference(fof_nnf,[status(thm)],[29]) ).

fof(172,plain,
    ! [X3,X4] :
      ( ~ ordinal(X3)
      | ~ ordinal(X4)
      | ( ( ~ ordinal_subset(X3,X4)
          | subset(X3,X4) )
        & ( ~ subset(X3,X4)
          | ordinal_subset(X3,X4) ) ) ),
    inference(variable_rename,[status(thm)],[171]) ).

fof(173,plain,
    ! [X3,X4] :
      ( ( ~ ordinal_subset(X3,X4)
        | subset(X3,X4)
        | ~ ordinal(X3)
        | ~ ordinal(X4) )
      & ( ~ subset(X3,X4)
        | ordinal_subset(X3,X4)
        | ~ ordinal(X3)
        | ~ ordinal(X4) ) ),
    inference(distribute,[status(thm)],[172]) ).

cnf(175,plain,
    ( subset(X2,X1)
    | ~ ordinal(X1)
    | ~ ordinal(X2)
    | ~ ordinal_subset(X2,X1) ),
    inference(split_conjunct,[status(thm)],[173]) ).

fof(176,plain,
    ! [X2] : succ(X2) = set_union2(X2,singleton(X2)),
    inference(variable_rename,[status(thm)],[30]) ).

cnf(177,plain,
    succ(X1) = set_union2(X1,singleton(X1)),
    inference(split_conjunct,[status(thm)],[176]) ).

fof(178,plain,
    ! [X1] :
      ( ~ ordinal(X1)
      | ( ~ empty(succ(X1))
        & epsilon_transitive(succ(X1))
        & epsilon_connected(succ(X1))
        & ordinal(succ(X1)) ) ),
    inference(fof_nnf,[status(thm)],[62]) ).

fof(179,plain,
    ! [X2] :
      ( ~ ordinal(X2)
      | ( ~ empty(succ(X2))
        & epsilon_transitive(succ(X2))
        & epsilon_connected(succ(X2))
        & ordinal(succ(X2)) ) ),
    inference(variable_rename,[status(thm)],[178]) ).

fof(180,plain,
    ! [X2] :
      ( ( ~ empty(succ(X2))
        | ~ ordinal(X2) )
      & ( epsilon_transitive(succ(X2))
        | ~ ordinal(X2) )
      & ( epsilon_connected(succ(X2))
        | ~ ordinal(X2) )
      & ( ordinal(succ(X2))
        | ~ ordinal(X2) ) ),
    inference(distribute,[status(thm)],[179]) ).

cnf(181,plain,
    ( ordinal(succ(X1))
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[180]) ).

cnf(183,plain,
    ( epsilon_transitive(succ(X1))
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[180]) ).

fof(197,plain,
    ! [X1] :
      ( ~ ordinal(X1)
      | ( ( ~ being_limit_ordinal(X1)
          | ! [X2] :
              ( ~ ordinal(X2)
              | ~ in(X2,X1)
              | in(succ(X2),X1) ) )
        & ( ? [X2] :
              ( ordinal(X2)
              & in(X2,X1)
              & ~ in(succ(X2),X1) )
          | being_limit_ordinal(X1) ) ) ),
    inference(fof_nnf,[status(thm)],[35]) ).

fof(198,plain,
    ! [X3] :
      ( ~ ordinal(X3)
      | ( ( ~ being_limit_ordinal(X3)
          | ! [X4] :
              ( ~ ordinal(X4)
              | ~ in(X4,X3)
              | in(succ(X4),X3) ) )
        & ( ? [X5] :
              ( ordinal(X5)
              & in(X5,X3)
              & ~ in(succ(X5),X3) )
          | being_limit_ordinal(X3) ) ) ),
    inference(variable_rename,[status(thm)],[197]) ).

fof(199,plain,
    ! [X3] :
      ( ~ ordinal(X3)
      | ( ( ~ being_limit_ordinal(X3)
          | ! [X4] :
              ( ~ ordinal(X4)
              | ~ in(X4,X3)
              | in(succ(X4),X3) ) )
        & ( ( ordinal(esk7_1(X3))
            & in(esk7_1(X3),X3)
            & ~ in(succ(esk7_1(X3)),X3) )
          | being_limit_ordinal(X3) ) ) ),
    inference(skolemize,[status(esa)],[198]) ).

fof(200,plain,
    ! [X3,X4] :
      ( ( ( ~ ordinal(X4)
          | ~ in(X4,X3)
          | in(succ(X4),X3)
          | ~ being_limit_ordinal(X3) )
        & ( ( ordinal(esk7_1(X3))
            & in(esk7_1(X3),X3)
            & ~ in(succ(esk7_1(X3)),X3) )
          | being_limit_ordinal(X3) ) )
      | ~ ordinal(X3) ),
    inference(shift_quantors,[status(thm)],[199]) ).

fof(201,plain,
    ! [X3,X4] :
      ( ( ~ ordinal(X4)
        | ~ in(X4,X3)
        | in(succ(X4),X3)
        | ~ being_limit_ordinal(X3)
        | ~ ordinal(X3) )
      & ( ordinal(esk7_1(X3))
        | being_limit_ordinal(X3)
        | ~ ordinal(X3) )
      & ( in(esk7_1(X3),X3)
        | being_limit_ordinal(X3)
        | ~ ordinal(X3) )
      & ( ~ in(succ(esk7_1(X3)),X3)
        | being_limit_ordinal(X3)
        | ~ ordinal(X3) ) ),
    inference(distribute,[status(thm)],[200]) ).

cnf(202,plain,
    ( being_limit_ordinal(X1)
    | ~ ordinal(X1)
    | ~ in(succ(esk7_1(X1)),X1) ),
    inference(split_conjunct,[status(thm)],[201]) ).

cnf(203,plain,
    ( being_limit_ordinal(X1)
    | in(esk7_1(X1),X1)
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[201]) ).

cnf(204,plain,
    ( being_limit_ordinal(X1)
    | ordinal(esk7_1(X1))
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[201]) ).

cnf(205,plain,
    ( in(succ(X2),X1)
    | ~ ordinal(X1)
    | ~ being_limit_ordinal(X1)
    | ~ in(X2,X1)
    | ~ ordinal(X2) ),
    inference(split_conjunct,[status(thm)],[201]) ).

fof(208,negated_conjecture,
    ? [X1] :
      ( ordinal(X1)
      & ( ( ~ being_limit_ordinal(X1)
          & ! [X2] :
              ( ~ ordinal(X2)
              | X1 != succ(X2) ) )
        | ( ? [X2] :
              ( ordinal(X2)
              & X1 = succ(X2) )
          & being_limit_ordinal(X1) ) ) ),
    inference(fof_nnf,[status(thm)],[64]) ).

fof(209,negated_conjecture,
    ? [X3] :
      ( ordinal(X3)
      & ( ( ~ being_limit_ordinal(X3)
          & ! [X4] :
              ( ~ ordinal(X4)
              | X3 != succ(X4) ) )
        | ( ? [X5] :
              ( ordinal(X5)
              & X3 = succ(X5) )
          & being_limit_ordinal(X3) ) ) ),
    inference(variable_rename,[status(thm)],[208]) ).

fof(210,negated_conjecture,
    ( ordinal(esk8_0)
    & ( ( ~ being_limit_ordinal(esk8_0)
        & ! [X4] :
            ( ~ ordinal(X4)
            | esk8_0 != succ(X4) ) )
      | ( ordinal(esk9_0)
        & esk8_0 = succ(esk9_0)
        & being_limit_ordinal(esk8_0) ) ) ),
    inference(skolemize,[status(esa)],[209]) ).

fof(211,negated_conjecture,
    ! [X4] :
      ( ( ( ( ~ ordinal(X4)
            | esk8_0 != succ(X4) )
          & ~ being_limit_ordinal(esk8_0) )
        | ( ordinal(esk9_0)
          & esk8_0 = succ(esk9_0)
          & being_limit_ordinal(esk8_0) ) )
      & ordinal(esk8_0) ),
    inference(shift_quantors,[status(thm)],[210]) ).

fof(212,negated_conjecture,
    ! [X4] :
      ( ( ordinal(esk9_0)
        | ~ ordinal(X4)
        | esk8_0 != succ(X4) )
      & ( esk8_0 = succ(esk9_0)
        | ~ ordinal(X4)
        | esk8_0 != succ(X4) )
      & ( being_limit_ordinal(esk8_0)
        | ~ ordinal(X4)
        | esk8_0 != succ(X4) )
      & ( ordinal(esk9_0)
        | ~ being_limit_ordinal(esk8_0) )
      & ( esk8_0 = succ(esk9_0)
        | ~ being_limit_ordinal(esk8_0) )
      & ( being_limit_ordinal(esk8_0)
        | ~ being_limit_ordinal(esk8_0) )
      & ordinal(esk8_0) ),
    inference(distribute,[status(thm)],[211]) ).

cnf(213,negated_conjecture,
    ordinal(esk8_0),
    inference(split_conjunct,[status(thm)],[212]) ).

cnf(215,negated_conjecture,
    ( esk8_0 = succ(esk9_0)
    | ~ being_limit_ordinal(esk8_0) ),
    inference(split_conjunct,[status(thm)],[212]) ).

cnf(216,negated_conjecture,
    ( ordinal(esk9_0)
    | ~ being_limit_ordinal(esk8_0) ),
    inference(split_conjunct,[status(thm)],[212]) ).

cnf(217,negated_conjecture,
    ( being_limit_ordinal(esk8_0)
    | esk8_0 != succ(X1)
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[212]) ).

fof(224,plain,
    ! [X1,X2] :
      ( ( ~ proper_subset(X1,X2)
        | ( subset(X1,X2)
          & X1 != X2 ) )
      & ( ~ subset(X1,X2)
        | X1 = X2
        | proper_subset(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[39]) ).

fof(225,plain,
    ! [X3,X4] :
      ( ( ~ proper_subset(X3,X4)
        | ( subset(X3,X4)
          & X3 != X4 ) )
      & ( ~ subset(X3,X4)
        | X3 = X4
        | proper_subset(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[224]) ).

fof(226,plain,
    ! [X3,X4] :
      ( ( subset(X3,X4)
        | ~ proper_subset(X3,X4) )
      & ( X3 != X4
        | ~ proper_subset(X3,X4) )
      & ( ~ subset(X3,X4)
        | X3 = X4
        | proper_subset(X3,X4) ) ),
    inference(distribute,[status(thm)],[225]) ).

cnf(227,plain,
    ( proper_subset(X1,X2)
    | X1 = X2
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[226]) ).

cnf(283,plain,
    in(X1,set_union2(X1,singleton(X1))),
    inference(rw,[status(thm)],[91,177,theory(equality)]),
    [unfolding] ).

cnf(284,negated_conjecture,
    ( set_union2(esk9_0,singleton(esk9_0)) = esk8_0
    | ~ being_limit_ordinal(esk8_0) ),
    inference(rw,[status(thm)],[215,177,theory(equality)]),
    [unfolding] ).

cnf(285,plain,
    ( epsilon_transitive(set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(rw,[status(thm)],[183,177,theory(equality)]),
    [unfolding] ).

cnf(287,plain,
    ( ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(rw,[status(thm)],[181,177,theory(equality)]),
    [unfolding] ).

cnf(290,negated_conjecture,
    ( being_limit_ordinal(esk8_0)
    | set_union2(X1,singleton(X1)) != esk8_0
    | ~ ordinal(X1) ),
    inference(rw,[status(thm)],[217,177,theory(equality)]),
    [unfolding] ).

cnf(291,plain,
    ( being_limit_ordinal(X1)
    | ~ ordinal(X1)
    | ~ in(set_union2(esk7_1(X1),singleton(esk7_1(X1))),X1) ),
    inference(rw,[status(thm)],[202,177,theory(equality)]),
    [unfolding] ).

cnf(293,plain,
    ( ordinal_subset(set_union2(X1,singleton(X1)),X2)
    | ~ ordinal(X2)
    | ~ ordinal(X1)
    | ~ in(X1,X2) ),
    inference(rw,[status(thm)],[100,177,theory(equality)]),
    [unfolding] ).

cnf(294,plain,
    ( in(set_union2(X2,singleton(X2)),X1)
    | ~ ordinal(X2)
    | ~ ordinal(X1)
    | ~ being_limit_ordinal(X1)
    | ~ in(X2,X1) ),
    inference(rw,[status(thm)],[205,177,theory(equality)]),
    [unfolding] ).

cnf(362,plain,
    ~ in(set_union2(X1,singleton(X1)),X1),
    inference(spm,[status(thm)],[160,283,theory(equality)]) ).

cnf(404,plain,
    ( in(X1,X2)
    | X1 = X2
    | ~ ordinal(X2)
    | ~ epsilon_transitive(X1)
    | ~ subset(X1,X2) ),
    inference(spm,[status(thm)],[83,227,theory(equality)]) ).

cnf(409,plain,
    ( subset(set_union2(X1,singleton(X1)),X2)
    | ~ ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(X2)
    | ~ in(X1,X2)
    | ~ ordinal(X1) ),
    inference(spm,[status(thm)],[175,293,theory(equality)]) ).

cnf(502,plain,
    ( ~ being_limit_ordinal(X1)
    | ~ in(X1,X1)
    | ~ ordinal(X1) ),
    inference(spm,[status(thm)],[362,294,theory(equality)]) ).

cnf(510,plain,
    ( ~ being_limit_ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(set_union2(X1,singleton(X1)))
    | ~ in(X1,set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(spm,[status(thm)],[502,294,theory(equality)]) ).

cnf(511,plain,
    ( ~ being_limit_ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(set_union2(X1,singleton(X1)))
    | $false
    | ~ ordinal(X1) ),
    inference(rw,[status(thm)],[510,283,theory(equality)]) ).

cnf(512,plain,
    ( ~ being_limit_ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(cn,[status(thm)],[511,theory(equality)]) ).

cnf(555,plain,
    ( ~ being_limit_ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(csr,[status(thm)],[512,287]) ).

cnf(557,negated_conjecture,
    ( ~ being_limit_ordinal(esk8_0)
    | ~ ordinal(esk9_0) ),
    inference(spm,[status(thm)],[555,284,theory(equality)]) ).

cnf(562,negated_conjecture,
    ~ being_limit_ordinal(esk8_0),
    inference(csr,[status(thm)],[557,216]) ).

cnf(908,plain,
    ( subset(set_union2(X1,singleton(X1)),X2)
    | ~ in(X1,X2)
    | ~ ordinal(X2)
    | ~ ordinal(X1) ),
    inference(csr,[status(thm)],[409,287]) ).

cnf(915,plain,
    ( set_union2(X1,singleton(X1)) = X2
    | in(set_union2(X1,singleton(X1)),X2)
    | ~ ordinal(X2)
    | ~ epsilon_transitive(set_union2(X1,singleton(X1)))
    | ~ in(X1,X2)
    | ~ ordinal(X1) ),
    inference(spm,[status(thm)],[404,908,theory(equality)]) ).

cnf(2791,plain,
    ( set_union2(X1,singleton(X1)) = X2
    | in(set_union2(X1,singleton(X1)),X2)
    | ~ in(X1,X2)
    | ~ ordinal(X1)
    | ~ ordinal(X2) ),
    inference(csr,[status(thm)],[915,285]) ).

cnf(2798,plain,
    ( being_limit_ordinal(X1)
    | set_union2(esk7_1(X1),singleton(esk7_1(X1))) = X1
    | ~ ordinal(X1)
    | ~ in(esk7_1(X1),X1)
    | ~ ordinal(esk7_1(X1)) ),
    inference(spm,[status(thm)],[291,2791,theory(equality)]) ).

cnf(21050,plain,
    ( set_union2(esk7_1(X1),singleton(esk7_1(X1))) = X1
    | being_limit_ordinal(X1)
    | ~ in(esk7_1(X1),X1)
    | ~ ordinal(X1) ),
    inference(csr,[status(thm)],[2798,204]) ).

cnf(21051,plain,
    ( set_union2(esk7_1(X1),singleton(esk7_1(X1))) = X1
    | being_limit_ordinal(X1)
    | ~ ordinal(X1) ),
    inference(csr,[status(thm)],[21050,203]) ).

cnf(21057,negated_conjecture,
    ( being_limit_ordinal(esk8_0)
    | being_limit_ordinal(X1)
    | X1 != esk8_0
    | ~ ordinal(esk7_1(X1))
    | ~ ordinal(X1) ),
    inference(spm,[status(thm)],[290,21051,theory(equality)]) ).

cnf(21134,negated_conjecture,
    ( being_limit_ordinal(X1)
    | X1 != esk8_0
    | ~ ordinal(esk7_1(X1))
    | ~ ordinal(X1) ),
    inference(sr,[status(thm)],[21057,562,theory(equality)]) ).

cnf(21149,negated_conjecture,
    ( being_limit_ordinal(X1)
    | X1 != esk8_0
    | ~ ordinal(X1) ),
    inference(csr,[status(thm)],[21134,204]) ).

cnf(21150,negated_conjecture,
    ~ ordinal(esk8_0),
    inference(spm,[status(thm)],[562,21149,theory(equality)]) ).

cnf(21176,negated_conjecture,
    $false,
    inference(rw,[status(thm)],[21150,213,theory(equality)]) ).

cnf(21177,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[21176,theory(equality)]) ).

cnf(21178,negated_conjecture,
    $false,
    21177,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% /home/graph/tptp/Systems/SInE---0.4/Source/sine.py:10: DeprecationWarning: the sets module is deprecated
%   from sets import Set
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SEU/SEU238+3.p
% --creating new selector for []
% -running prover on /tmp/tmpptBHyv/sel_SEU238+3.p_1 with time limit 29
% -prover status Theorem
% Problem SEU238+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SEU/SEU238+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SEU/SEU238+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
% 
%------------------------------------------------------------------------------