TSTP Solution File: SWC091+1 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SWC091+1 : TPTP v5.0.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art03.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 10:15:56 EST 2010

% Result   : Theorem 4.31s
% Output   : CNFRefutation 4.31s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   65
%            Number of leaves      :   25
% Syntax   : Number of formulae    :  293 (  26 unt;   0 def)
%            Number of atoms       : 1346 ( 315 equ)
%            Maximal formula atoms :   25 (   4 avg)
%            Number of connectives : 1916 ( 863   ~; 856   |; 135   &)
%                                         (   9 <=>;  53  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   6 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   12 (  10 usr;   4 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   5 con; 0-2 aty)
%            Number of variables   :  492 (   0 sgn 202   !;  29   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(2,axiom,
    ! [X1] :
      ( ssItem(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( totalorderedP(cons(X1,X2))
          <=> ( nil = X2
              | ( nil != X2
                & totalorderedP(X2)
                & leq(X1,hd(X2)) ) ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax67) ).

fof(5,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(X1,nil) = X1 ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax84) ).

fof(6,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil = app(X1,X2)
          <=> ( nil = X2
              & nil = X1 ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax83) ).

fof(7,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => app(app(X1,X2),X3) = app(X1,app(X2,X3)) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax82) ).

fof(8,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) = app(cons(X2,nil),X1) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax81) ).

fof(12,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(nil,X1) = X1 ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax28) ).

fof(13,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( frontsegP(X1,X2)
               => frontsegP(app(X1,X3),X2) ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax43) ).

fof(15,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssItem(X3)
             => cons(X3,app(X2,X1)) = app(cons(X3,X2),X1) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax27) ).

fof(16,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ssList(app(X1,X2)) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax26) ).

fof(17,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => nil != cons(X2,X1) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax21) ).

fof(18,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil = X1
        | ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ssItem(X3)
                & cons(X3,X2) = X1 ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax20) ).

fof(23,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( segmentP(X1,X2)
          <=> ? [X3] :
                ( ssList(X3)
                & ? [X4] :
                    ( ssList(X4)
                    & app(app(X3,X2),X4) = X1 ) ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax7) ).

fof(24,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( frontsegP(X1,X2)
          <=> ? [X3] :
                ( ssList(X3)
                & app(X2,X3) = X1 ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax5) ).

fof(29,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( ( frontsegP(X1,X2)
              & frontsegP(X2,X1) )
           => X1 = X2 ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax41) ).

fof(32,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( segmentP(nil,X1)
      <=> nil = X1 ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax58) ).

fof(33,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax15) ).

fof(34,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ssList(cons(X2,X1)) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax16) ).

fof(35,axiom,
    ssList(nil),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax17) ).

fof(37,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( ( segmentP(X1,X2)
                  & segmentP(X2,X3) )
               => segmentP(X1,X3) ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax53) ).

fof(39,axiom,
    ! [X1] :
      ( ssList(X1)
     => segmentP(X1,X1) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax55) ).

fof(41,axiom,
    ! [X1] :
      ( ssList(X1)
     => segmentP(X1,nil) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',ax57) ).

fof(45,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( X2 != X4
                    | X1 != X3
                    | ~ neq(X2,nil)
                    | ~ frontsegP(X4,X3)
                    | ~ totalorderedP(X3)
                    | ? [X5] :
                        ( ssList(X5)
                        & neq(X5,nil)
                        & segmentP(X2,X5)
                        & segmentP(X1,X5) )
                    | ? [X6] :
                        ( ssList(X6)
                        & neq(X3,X6)
                        & frontsegP(X4,X6)
                        & segmentP(X6,X3)
                        & totalorderedP(X6) ) ) ) ) ) ),
    file('/tmp/tmp2xutpp/sel_SWC091+1.p_1',co1) ).

fof(46,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ~ neq(X2,nil)
                      | ~ frontsegP(X4,X3)
                      | ~ totalorderedP(X3)
                      | ? [X5] :
                          ( ssList(X5)
                          & neq(X5,nil)
                          & segmentP(X2,X5)
                          & segmentP(X1,X5) )
                      | ? [X6] :
                          ( ssList(X6)
                          & neq(X3,X6)
                          & frontsegP(X4,X6)
                          & segmentP(X6,X3)
                          & totalorderedP(X6) ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[45]) ).

fof(47,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ~ neq(X2,nil)
                      | ~ frontsegP(X4,X3)
                      | ~ totalorderedP(X3)
                      | ? [X5] :
                          ( ssList(X5)
                          & neq(X5,nil)
                          & segmentP(X2,X5)
                          & segmentP(X1,X5) )
                      | ? [X6] :
                          ( ssList(X6)
                          & neq(X3,X6)
                          & frontsegP(X4,X6)
                          & segmentP(X6,X3)
                          & totalorderedP(X6) ) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[46,theory(equality)]) ).

fof(51,plain,
    ! [X1] :
      ( ~ ssItem(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ( ( ~ totalorderedP(cons(X1,X2))
              | nil = X2
              | ( nil != X2
                & totalorderedP(X2)
                & leq(X1,hd(X2)) ) )
            & ( ( nil != X2
                & ( nil = X2
                  | ~ totalorderedP(X2)
                  | ~ leq(X1,hd(X2)) ) )
              | totalorderedP(cons(X1,X2)) ) ) ) ),
    inference(fof_nnf,[status(thm)],[2]) ).

fof(52,plain,
    ! [X3] :
      ( ~ ssItem(X3)
      | ! [X4] :
          ( ~ ssList(X4)
          | ( ( ~ totalorderedP(cons(X3,X4))
              | nil = X4
              | ( nil != X4
                & totalorderedP(X4)
                & leq(X3,hd(X4)) ) )
            & ( ( nil != X4
                & ( nil = X4
                  | ~ totalorderedP(X4)
                  | ~ leq(X3,hd(X4)) ) )
              | totalorderedP(cons(X3,X4)) ) ) ) ),
    inference(variable_rename,[status(thm)],[51]) ).

fof(53,plain,
    ! [X3,X4] :
      ( ~ ssList(X4)
      | ( ( ~ totalorderedP(cons(X3,X4))
          | nil = X4
          | ( nil != X4
            & totalorderedP(X4)
            & leq(X3,hd(X4)) ) )
        & ( ( nil != X4
            & ( nil = X4
              | ~ totalorderedP(X4)
              | ~ leq(X3,hd(X4)) ) )
          | totalorderedP(cons(X3,X4)) ) )
      | ~ ssItem(X3) ),
    inference(shift_quantors,[status(thm)],[52]) ).

fof(54,plain,
    ! [X3,X4] :
      ( ( nil != X4
        | nil = X4
        | ~ totalorderedP(cons(X3,X4))
        | ~ ssList(X4)
        | ~ ssItem(X3) )
      & ( totalorderedP(X4)
        | nil = X4
        | ~ totalorderedP(cons(X3,X4))
        | ~ ssList(X4)
        | ~ ssItem(X3) )
      & ( leq(X3,hd(X4))
        | nil = X4
        | ~ totalorderedP(cons(X3,X4))
        | ~ ssList(X4)
        | ~ ssItem(X3) )
      & ( nil != X4
        | totalorderedP(cons(X3,X4))
        | ~ ssList(X4)
        | ~ ssItem(X3) )
      & ( nil = X4
        | ~ totalorderedP(X4)
        | ~ leq(X3,hd(X4))
        | totalorderedP(cons(X3,X4))
        | ~ ssList(X4)
        | ~ ssItem(X3) ) ),
    inference(distribute,[status(thm)],[53]) ).

cnf(56,plain,
    ( totalorderedP(cons(X1,X2))
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | nil != X2 ),
    inference(split_conjunct,[status(thm)],[54]) ).

fof(65,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | app(X1,nil) = X1 ),
    inference(fof_nnf,[status(thm)],[5]) ).

fof(66,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | app(X2,nil) = X2 ),
    inference(variable_rename,[status(thm)],[65]) ).

cnf(67,plain,
    ( app(X1,nil) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[66]) ).

fof(68,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ( ( nil != app(X1,X2)
              | ( nil = X2
                & nil = X1 ) )
            & ( nil != X2
              | nil != X1
              | nil = app(X1,X2) ) ) ) ),
    inference(fof_nnf,[status(thm)],[6]) ).

fof(69,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssList(X4)
          | ( ( nil != app(X3,X4)
              | ( nil = X4
                & nil = X3 ) )
            & ( nil != X4
              | nil != X3
              | nil = app(X3,X4) ) ) ) ),
    inference(variable_rename,[status(thm)],[68]) ).

fof(70,plain,
    ! [X3,X4] :
      ( ~ ssList(X4)
      | ( ( nil != app(X3,X4)
          | ( nil = X4
            & nil = X3 ) )
        & ( nil != X4
          | nil != X3
          | nil = app(X3,X4) ) )
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[69]) ).

fof(71,plain,
    ! [X3,X4] :
      ( ( nil = X4
        | nil != app(X3,X4)
        | ~ ssList(X4)
        | ~ ssList(X3) )
      & ( nil = X3
        | nil != app(X3,X4)
        | ~ ssList(X4)
        | ~ ssList(X3) )
      & ( nil != X4
        | nil != X3
        | nil = app(X3,X4)
        | ~ ssList(X4)
        | ~ ssList(X3) ) ),
    inference(distribute,[status(thm)],[70]) ).

cnf(72,plain,
    ( nil = app(X1,X2)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | nil != X1
    | nil != X2 ),
    inference(split_conjunct,[status(thm)],[71]) ).

fof(75,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ! [X3] :
              ( ~ ssList(X3)
              | app(app(X1,X2),X3) = app(X1,app(X2,X3)) ) ) ),
    inference(fof_nnf,[status(thm)],[7]) ).

fof(76,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ! [X6] :
              ( ~ ssList(X6)
              | app(app(X4,X5),X6) = app(X4,app(X5,X6)) ) ) ),
    inference(variable_rename,[status(thm)],[75]) ).

fof(77,plain,
    ! [X4,X5,X6] :
      ( ~ ssList(X6)
      | app(app(X4,X5),X6) = app(X4,app(X5,X6))
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(shift_quantors,[status(thm)],[76]) ).

cnf(78,plain,
    ( app(app(X1,X2),X3) = app(X1,app(X2,X3))
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(split_conjunct,[status(thm)],[77]) ).

fof(79,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssItem(X2)
          | cons(X2,X1) = app(cons(X2,nil),X1) ) ),
    inference(fof_nnf,[status(thm)],[8]) ).

fof(80,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssItem(X4)
          | cons(X4,X3) = app(cons(X4,nil),X3) ) ),
    inference(variable_rename,[status(thm)],[79]) ).

fof(81,plain,
    ! [X3,X4] :
      ( ~ ssItem(X4)
      | cons(X4,X3) = app(cons(X4,nil),X3)
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[80]) ).

cnf(82,plain,
    ( cons(X2,X1) = app(cons(X2,nil),X1)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[81]) ).

fof(96,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | app(nil,X1) = X1 ),
    inference(fof_nnf,[status(thm)],[12]) ).

fof(97,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | app(nil,X2) = X2 ),
    inference(variable_rename,[status(thm)],[96]) ).

cnf(98,plain,
    ( app(nil,X1) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[97]) ).

fof(99,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ! [X3] :
              ( ~ ssList(X3)
              | ~ frontsegP(X1,X2)
              | frontsegP(app(X1,X3),X2) ) ) ),
    inference(fof_nnf,[status(thm)],[13]) ).

fof(100,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ! [X6] :
              ( ~ ssList(X6)
              | ~ frontsegP(X4,X5)
              | frontsegP(app(X4,X6),X5) ) ) ),
    inference(variable_rename,[status(thm)],[99]) ).

fof(101,plain,
    ! [X4,X5,X6] :
      ( ~ ssList(X6)
      | ~ frontsegP(X4,X5)
      | frontsegP(app(X4,X6),X5)
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(shift_quantors,[status(thm)],[100]) ).

cnf(102,plain,
    ( frontsegP(app(X1,X3),X2)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ frontsegP(X1,X2)
    | ~ ssList(X3) ),
    inference(split_conjunct,[status(thm)],[101]) ).

fof(106,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ! [X3] :
              ( ~ ssItem(X3)
              | cons(X3,app(X2,X1)) = app(cons(X3,X2),X1) ) ) ),
    inference(fof_nnf,[status(thm)],[15]) ).

fof(107,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ! [X6] :
              ( ~ ssItem(X6)
              | cons(X6,app(X5,X4)) = app(cons(X6,X5),X4) ) ) ),
    inference(variable_rename,[status(thm)],[106]) ).

fof(108,plain,
    ! [X4,X5,X6] :
      ( ~ ssItem(X6)
      | cons(X6,app(X5,X4)) = app(cons(X6,X5),X4)
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(shift_quantors,[status(thm)],[107]) ).

cnf(109,plain,
    ( cons(X3,app(X2,X1)) = app(cons(X3,X2),X1)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssItem(X3) ),
    inference(split_conjunct,[status(thm)],[108]) ).

fof(110,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ssList(app(X1,X2)) ) ),
    inference(fof_nnf,[status(thm)],[16]) ).

fof(111,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssList(X4)
          | ssList(app(X3,X4)) ) ),
    inference(variable_rename,[status(thm)],[110]) ).

fof(112,plain,
    ! [X3,X4] :
      ( ~ ssList(X4)
      | ssList(app(X3,X4))
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[111]) ).

cnf(113,plain,
    ( ssList(app(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[112]) ).

fof(114,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssItem(X2)
          | nil != cons(X2,X1) ) ),
    inference(fof_nnf,[status(thm)],[17]) ).

fof(115,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssItem(X4)
          | nil != cons(X4,X3) ) ),
    inference(variable_rename,[status(thm)],[114]) ).

fof(116,plain,
    ! [X3,X4] :
      ( ~ ssItem(X4)
      | nil != cons(X4,X3)
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[115]) ).

cnf(117,plain,
    ( ~ ssList(X1)
    | nil != cons(X2,X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[116]) ).

fof(118,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | nil = X1
      | ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ssItem(X3)
              & cons(X3,X2) = X1 ) ) ),
    inference(fof_nnf,[status(thm)],[18]) ).

fof(119,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | nil = X4
      | ? [X5] :
          ( ssList(X5)
          & ? [X6] :
              ( ssItem(X6)
              & cons(X6,X5) = X4 ) ) ),
    inference(variable_rename,[status(thm)],[118]) ).

fof(120,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | nil = X4
      | ( ssList(esk1_1(X4))
        & ssItem(esk2_1(X4))
        & cons(esk2_1(X4),esk1_1(X4)) = X4 ) ),
    inference(skolemize,[status(esa)],[119]) ).

fof(121,plain,
    ! [X4] :
      ( ( ssList(esk1_1(X4))
        | nil = X4
        | ~ ssList(X4) )
      & ( ssItem(esk2_1(X4))
        | nil = X4
        | ~ ssList(X4) )
      & ( cons(esk2_1(X4),esk1_1(X4)) = X4
        | nil = X4
        | ~ ssList(X4) ) ),
    inference(distribute,[status(thm)],[120]) ).

cnf(122,plain,
    ( nil = X1
    | cons(esk2_1(X1),esk1_1(X1)) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[121]) ).

cnf(123,plain,
    ( nil = X1
    | ssItem(esk2_1(X1))
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[121]) ).

cnf(124,plain,
    ( nil = X1
    | ssList(esk1_1(X1))
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[121]) ).

fof(144,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)],[23]) ).

fof(145,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)],[144]) ).

fof(146,plain,
    ! [X5] :
      ( ~ ssList(X5)
      | ! [X6] :
          ( ~ ssList(X6)
          | ( ( ~ segmentP(X5,X6)
              | ( ssList(esk5_2(X5,X6))
                & ssList(esk6_2(X5,X6))
                & app(app(esk5_2(X5,X6),X6),esk6_2(X5,X6)) = X5 ) )
            & ( ! [X9] :
                  ( ~ ssList(X9)
                  | ! [X10] :
                      ( ~ ssList(X10)
                      | app(app(X9,X6),X10) != X5 ) )
              | segmentP(X5,X6) ) ) ) ),
    inference(skolemize,[status(esa)],[145]) ).

fof(147,plain,
    ! [X5,X6,X9,X10] :
      ( ( ( ~ ssList(X10)
          | app(app(X9,X6),X10) != X5
          | ~ ssList(X9)
          | segmentP(X5,X6) )
        & ( ~ segmentP(X5,X6)
          | ( ssList(esk5_2(X5,X6))
            & ssList(esk6_2(X5,X6))
            & app(app(esk5_2(X5,X6),X6),esk6_2(X5,X6)) = X5 ) ) )
      | ~ ssList(X6)
      | ~ ssList(X5) ),
    inference(shift_quantors,[status(thm)],[146]) ).

fof(148,plain,
    ! [X5,X6,X9,X10] :
      ( ( ~ ssList(X10)
        | app(app(X9,X6),X10) != X5
        | ~ ssList(X9)
        | segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) )
      & ( ssList(esk5_2(X5,X6))
        | ~ segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) )
      & ( ssList(esk6_2(X5,X6))
        | ~ segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) )
      & ( app(app(esk5_2(X5,X6),X6),esk6_2(X5,X6)) = X5
        | ~ segmentP(X5,X6)
        | ~ ssList(X6)
        | ~ ssList(X5) ) ),
    inference(distribute,[status(thm)],[147]) ).

cnf(152,plain,
    ( segmentP(X1,X2)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | app(app(X3,X2),X4) != X1
    | ~ ssList(X4) ),
    inference(split_conjunct,[status(thm)],[148]) ).

fof(153,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ( ( ~ frontsegP(X1,X2)
              | ? [X3] :
                  ( ssList(X3)
                  & app(X2,X3) = X1 ) )
            & ( ! [X3] :
                  ( ~ ssList(X3)
                  | app(X2,X3) != X1 )
              | frontsegP(X1,X2) ) ) ) ),
    inference(fof_nnf,[status(thm)],[24]) ).

fof(154,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ( ( ~ frontsegP(X4,X5)
              | ? [X6] :
                  ( ssList(X6)
                  & app(X5,X6) = X4 ) )
            & ( ! [X7] :
                  ( ~ ssList(X7)
                  | app(X5,X7) != X4 )
              | frontsegP(X4,X5) ) ) ) ),
    inference(variable_rename,[status(thm)],[153]) ).

fof(155,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ( ( ~ frontsegP(X4,X5)
              | ( ssList(esk7_2(X4,X5))
                & app(X5,esk7_2(X4,X5)) = X4 ) )
            & ( ! [X7] :
                  ( ~ ssList(X7)
                  | app(X5,X7) != X4 )
              | frontsegP(X4,X5) ) ) ) ),
    inference(skolemize,[status(esa)],[154]) ).

fof(156,plain,
    ! [X4,X5,X7] :
      ( ( ( ~ ssList(X7)
          | app(X5,X7) != X4
          | frontsegP(X4,X5) )
        & ( ~ frontsegP(X4,X5)
          | ( ssList(esk7_2(X4,X5))
            & app(X5,esk7_2(X4,X5)) = X4 ) ) )
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(shift_quantors,[status(thm)],[155]) ).

fof(157,plain,
    ! [X4,X5,X7] :
      ( ( ~ ssList(X7)
        | app(X5,X7) != X4
        | frontsegP(X4,X5)
        | ~ ssList(X5)
        | ~ ssList(X4) )
      & ( ssList(esk7_2(X4,X5))
        | ~ frontsegP(X4,X5)
        | ~ ssList(X5)
        | ~ ssList(X4) )
      & ( app(X5,esk7_2(X4,X5)) = X4
        | ~ frontsegP(X4,X5)
        | ~ ssList(X5)
        | ~ ssList(X4) ) ),
    inference(distribute,[status(thm)],[156]) ).

cnf(158,plain,
    ( app(X2,esk7_2(X1,X2)) = X1
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ frontsegP(X1,X2) ),
    inference(split_conjunct,[status(thm)],[157]) ).

cnf(159,plain,
    ( ssList(esk7_2(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ frontsegP(X1,X2) ),
    inference(split_conjunct,[status(thm)],[157]) ).

cnf(160,plain,
    ( frontsegP(X1,X2)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | app(X2,X3) != X1
    | ~ ssList(X3) ),
    inference(split_conjunct,[status(thm)],[157]) ).

fof(178,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ~ frontsegP(X1,X2)
          | ~ frontsegP(X2,X1)
          | X1 = X2 ) ),
    inference(fof_nnf,[status(thm)],[29]) ).

fof(179,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssList(X4)
          | ~ frontsegP(X3,X4)
          | ~ frontsegP(X4,X3)
          | X3 = X4 ) ),
    inference(variable_rename,[status(thm)],[178]) ).

fof(180,plain,
    ! [X3,X4] :
      ( ~ ssList(X4)
      | ~ frontsegP(X3,X4)
      | ~ frontsegP(X4,X3)
      | X3 = X4
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[179]) ).

cnf(181,plain,
    ( X1 = X2
    | ~ ssList(X1)
    | ~ frontsegP(X2,X1)
    | ~ frontsegP(X1,X2)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[180]) ).

fof(192,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ( ( ~ segmentP(nil,X1)
          | nil = X1 )
        & ( nil != X1
          | segmentP(nil,X1) ) ) ),
    inference(fof_nnf,[status(thm)],[32]) ).

fof(193,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | ( ( ~ segmentP(nil,X2)
          | nil = X2 )
        & ( nil != X2
          | segmentP(nil,X2) ) ) ),
    inference(variable_rename,[status(thm)],[192]) ).

fof(194,plain,
    ! [X2] :
      ( ( ~ segmentP(nil,X2)
        | nil = X2
        | ~ ssList(X2) )
      & ( nil != X2
        | segmentP(nil,X2)
        | ~ ssList(X2) ) ),
    inference(distribute,[status(thm)],[193]) ).

cnf(195,plain,
    ( segmentP(nil,X1)
    | ~ ssList(X1)
    | nil != X1 ),
    inference(split_conjunct,[status(thm)],[194]) ).

fof(197,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ( ( ~ neq(X1,X2)
              | X1 != X2 )
            & ( X1 = X2
              | neq(X1,X2) ) ) ) ),
    inference(fof_nnf,[status(thm)],[33]) ).

fof(198,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssList(X4)
          | ( ( ~ neq(X3,X4)
              | X3 != X4 )
            & ( X3 = X4
              | neq(X3,X4) ) ) ) ),
    inference(variable_rename,[status(thm)],[197]) ).

fof(199,plain,
    ! [X3,X4] :
      ( ~ ssList(X4)
      | ( ( ~ neq(X3,X4)
          | X3 != X4 )
        & ( X3 = X4
          | neq(X3,X4) ) )
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[198]) ).

fof(200,plain,
    ! [X3,X4] :
      ( ( ~ neq(X3,X4)
        | X3 != X4
        | ~ ssList(X4)
        | ~ ssList(X3) )
      & ( X3 = X4
        | neq(X3,X4)
        | ~ ssList(X4)
        | ~ ssList(X3) ) ),
    inference(distribute,[status(thm)],[199]) ).

cnf(201,plain,
    ( neq(X1,X2)
    | X1 = X2
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[200]) ).

fof(203,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssItem(X2)
          | ssList(cons(X2,X1)) ) ),
    inference(fof_nnf,[status(thm)],[34]) ).

fof(204,plain,
    ! [X3] :
      ( ~ ssList(X3)
      | ! [X4] :
          ( ~ ssItem(X4)
          | ssList(cons(X4,X3)) ) ),
    inference(variable_rename,[status(thm)],[203]) ).

fof(205,plain,
    ! [X3,X4] :
      ( ~ ssItem(X4)
      | ssList(cons(X4,X3))
      | ~ ssList(X3) ),
    inference(shift_quantors,[status(thm)],[204]) ).

cnf(206,plain,
    ( ssList(cons(X2,X1))
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[205]) ).

cnf(207,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[35]) ).

fof(221,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ! [X2] :
          ( ~ ssList(X2)
          | ! [X3] :
              ( ~ ssList(X3)
              | ~ segmentP(X1,X2)
              | ~ segmentP(X2,X3)
              | segmentP(X1,X3) ) ) ),
    inference(fof_nnf,[status(thm)],[37]) ).

fof(222,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ! [X5] :
          ( ~ ssList(X5)
          | ! [X6] :
              ( ~ ssList(X6)
              | ~ segmentP(X4,X5)
              | ~ segmentP(X5,X6)
              | segmentP(X4,X6) ) ) ),
    inference(variable_rename,[status(thm)],[221]) ).

fof(223,plain,
    ! [X4,X5,X6] :
      ( ~ ssList(X6)
      | ~ segmentP(X4,X5)
      | ~ segmentP(X5,X6)
      | segmentP(X4,X6)
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(shift_quantors,[status(thm)],[222]) ).

cnf(224,plain,
    ( segmentP(X1,X3)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ segmentP(X2,X3)
    | ~ segmentP(X1,X2)
    | ~ ssList(X3) ),
    inference(split_conjunct,[status(thm)],[223]) ).

fof(229,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | segmentP(X1,X1) ),
    inference(fof_nnf,[status(thm)],[39]) ).

fof(230,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | segmentP(X2,X2) ),
    inference(variable_rename,[status(thm)],[229]) ).

cnf(231,plain,
    ( segmentP(X1,X1)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[230]) ).

fof(236,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | segmentP(X1,nil) ),
    inference(fof_nnf,[status(thm)],[41]) ).

fof(237,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | segmentP(X2,nil) ),
    inference(variable_rename,[status(thm)],[236]) ).

cnf(238,plain,
    ( segmentP(X1,nil)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[237]) ).

fof(252,negated_conjecture,
    ? [X1] :
      ( ssList(X1)
      & ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ssList(X3)
              & ? [X4] :
                  ( ssList(X4)
                  & X2 = X4
                  & X1 = X3
                  & neq(X2,nil)
                  & frontsegP(X4,X3)
                  & totalorderedP(X3)
                  & ! [X5] :
                      ( ~ ssList(X5)
                      | ~ neq(X5,nil)
                      | ~ segmentP(X2,X5)
                      | ~ segmentP(X1,X5) )
                  & ! [X6] :
                      ( ~ ssList(X6)
                      | ~ neq(X3,X6)
                      | ~ frontsegP(X4,X6)
                      | ~ segmentP(X6,X3)
                      | ~ totalorderedP(X6) ) ) ) ) ),
    inference(fof_nnf,[status(thm)],[47]) ).

fof(253,negated_conjecture,
    ? [X7] :
      ( ssList(X7)
      & ? [X8] :
          ( ssList(X8)
          & ? [X9] :
              ( ssList(X9)
              & ? [X10] :
                  ( ssList(X10)
                  & X8 = X10
                  & X7 = X9
                  & neq(X8,nil)
                  & frontsegP(X10,X9)
                  & totalorderedP(X9)
                  & ! [X11] :
                      ( ~ ssList(X11)
                      | ~ neq(X11,nil)
                      | ~ segmentP(X8,X11)
                      | ~ segmentP(X7,X11) )
                  & ! [X12] :
                      ( ~ ssList(X12)
                      | ~ neq(X9,X12)
                      | ~ frontsegP(X10,X12)
                      | ~ segmentP(X12,X9)
                      | ~ totalorderedP(X12) ) ) ) ) ),
    inference(variable_rename,[status(thm)],[252]) ).

fof(254,negated_conjecture,
    ( ssList(esk14_0)
    & ssList(esk15_0)
    & ssList(esk16_0)
    & ssList(esk17_0)
    & esk15_0 = esk17_0
    & esk14_0 = esk16_0
    & neq(esk15_0,nil)
    & frontsegP(esk17_0,esk16_0)
    & totalorderedP(esk16_0)
    & ! [X11] :
        ( ~ ssList(X11)
        | ~ neq(X11,nil)
        | ~ segmentP(esk15_0,X11)
        | ~ segmentP(esk14_0,X11) )
    & ! [X12] :
        ( ~ ssList(X12)
        | ~ neq(esk16_0,X12)
        | ~ frontsegP(esk17_0,X12)
        | ~ segmentP(X12,esk16_0)
        | ~ totalorderedP(X12) ) ),
    inference(skolemize,[status(esa)],[253]) ).

fof(255,negated_conjecture,
    ! [X11,X12] :
      ( ( ~ ssList(X12)
        | ~ neq(esk16_0,X12)
        | ~ frontsegP(esk17_0,X12)
        | ~ segmentP(X12,esk16_0)
        | ~ totalorderedP(X12) )
      & ( ~ ssList(X11)
        | ~ neq(X11,nil)
        | ~ segmentP(esk15_0,X11)
        | ~ segmentP(esk14_0,X11) )
      & esk15_0 = esk17_0
      & esk14_0 = esk16_0
      & neq(esk15_0,nil)
      & frontsegP(esk17_0,esk16_0)
      & totalorderedP(esk16_0)
      & ssList(esk17_0)
      & ssList(esk16_0)
      & ssList(esk15_0)
      & ssList(esk14_0) ),
    inference(shift_quantors,[status(thm)],[254]) ).

cnf(256,negated_conjecture,
    ssList(esk14_0),
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(257,negated_conjecture,
    ssList(esk15_0),
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(261,negated_conjecture,
    frontsegP(esk17_0,esk16_0),
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(262,negated_conjecture,
    neq(esk15_0,nil),
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(263,negated_conjecture,
    esk14_0 = esk16_0,
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(264,negated_conjecture,
    esk15_0 = esk17_0,
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(265,negated_conjecture,
    ( ~ segmentP(esk14_0,X1)
    | ~ segmentP(esk15_0,X1)
    | ~ neq(X1,nil)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(266,negated_conjecture,
    ( ~ totalorderedP(X1)
    | ~ segmentP(X1,esk16_0)
    | ~ frontsegP(esk17_0,X1)
    | ~ neq(esk16_0,X1)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[255]) ).

cnf(267,negated_conjecture,
    ssList(esk16_0),
    inference(rw,[status(thm)],[256,263,theory(equality)]) ).

cnf(268,negated_conjecture,
    ssList(esk17_0),
    inference(rw,[status(thm)],[257,264,theory(equality)]) ).

cnf(269,negated_conjecture,
    neq(esk17_0,nil),
    inference(rw,[status(thm)],[262,264,theory(equality)]) ).

cnf(280,negated_conjecture,
    ( ~ ssList(X1)
    | ~ neq(X1,nil)
    | ~ segmentP(esk16_0,X1)
    | ~ segmentP(esk15_0,X1) ),
    inference(rw,[status(thm)],[265,263,theory(equality)]) ).

cnf(281,negated_conjecture,
    ( ~ ssList(X1)
    | ~ neq(X1,nil)
    | ~ segmentP(esk16_0,X1)
    | ~ segmentP(esk17_0,X1) ),
    inference(rw,[status(thm)],[280,264,theory(equality)]) ).

cnf(282,negated_conjecture,
    ( ~ segmentP(esk16_0,esk17_0)
    | ~ segmentP(esk17_0,esk17_0)
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[281,269,theory(equality)]) ).

cnf(283,negated_conjecture,
    ( X1 = nil
    | ~ segmentP(esk16_0,X1)
    | ~ segmentP(esk17_0,X1)
    | ~ ssList(X1)
    | ~ ssList(nil) ),
    inference(spm,[status(thm)],[281,201,theory(equality)]) ).

cnf(284,negated_conjecture,
    ( X1 = nil
    | ~ segmentP(esk16_0,X1)
    | ~ segmentP(esk17_0,X1)
    | ~ ssList(X1)
    | $false ),
    inference(rw,[status(thm)],[283,207,theory(equality)]) ).

cnf(285,negated_conjecture,
    ( X1 = nil
    | ~ segmentP(esk16_0,X1)
    | ~ segmentP(esk17_0,X1)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[284,theory(equality)]) ).

cnf(324,negated_conjecture,
    ( esk16_0 = X1
    | ~ segmentP(X1,esk16_0)
    | ~ frontsegP(esk17_0,X1)
    | ~ ssList(X1)
    | ~ totalorderedP(X1)
    | ~ ssList(esk16_0) ),
    inference(spm,[status(thm)],[266,201,theory(equality)]) ).

cnf(329,plain,
    ( segmentP(X1,X2)
    | ~ segmentP(X1,nil)
    | ~ ssList(X2)
    | ~ ssList(nil)
    | ~ ssList(X1)
    | nil != X2 ),
    inference(spm,[status(thm)],[224,195,theory(equality)]) ).

cnf(332,plain,
    ( segmentP(X1,X2)
    | ~ segmentP(X1,nil)
    | ~ ssList(X2)
    | $false
    | ~ ssList(X1)
    | nil != X2 ),
    inference(rw,[status(thm)],[329,207,theory(equality)]) ).

cnf(333,plain,
    ( segmentP(X1,X2)
    | ~ segmentP(X1,nil)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | nil != X2 ),
    inference(cn,[status(thm)],[332,theory(equality)]) ).

cnf(334,plain,
    ( frontsegP(app(X1,X2),X1)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ ssList(app(X1,X2)) ),
    inference(er,[status(thm)],[160,theory(equality)]) ).

cnf(346,plain,
    ( X1 = app(X2,X3)
    | ~ frontsegP(X1,app(X2,X3))
    | ~ ssList(app(X2,X3))
    | ~ ssList(X1)
    | ~ frontsegP(X2,X1)
    | ~ ssList(X3)
    | ~ ssList(X2) ),
    inference(spm,[status(thm)],[181,102,theory(equality)]) ).

cnf(411,plain,
    ( segmentP(X1,X2)
    | app(X2,X3) != X1
    | ~ ssList(X3)
    | ~ ssList(nil)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[152,98,theory(equality)]) ).

cnf(420,plain,
    ( segmentP(X1,X2)
    | app(X2,X3) != X1
    | ~ ssList(X3)
    | $false
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[411,207,theory(equality)]) ).

cnf(421,plain,
    ( segmentP(X1,X2)
    | app(X2,X3) != X1
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[420,theory(equality)]) ).

cnf(442,plain,
    ( frontsegP(X1,cons(X2,nil))
    | cons(X2,X3) != X1
    | ~ ssList(X3)
    | ~ ssList(cons(X2,nil))
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(spm,[status(thm)],[160,82,theory(equality)]) ).

cnf(458,plain,
    ( app(X1,app(X2,nil)) = app(X1,X2)
    | ~ ssList(app(X1,X2))
    | ~ ssList(nil)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[67,78,theory(equality)]) ).

cnf(460,plain,
    ( app(X1,X2) = app(nil,app(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ ssList(nil) ),
    inference(spm,[status(thm)],[78,98,theory(equality)]) ).

cnf(466,plain,
    ( frontsegP(X1,app(X2,X3))
    | app(X2,app(X3,X4)) != X1
    | ~ ssList(X4)
    | ~ ssList(app(X2,X3))
    | ~ ssList(X1)
    | ~ ssList(X3)
    | ~ ssList(X2) ),
    inference(spm,[status(thm)],[160,78,theory(equality)]) ).

cnf(476,plain,
    ( segmentP(X1,X2)
    | app(X3,app(X2,X4)) != X1
    | ~ ssList(X4)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[152,78,theory(equality)]) ).

cnf(482,plain,
    ( app(X1,app(X2,nil)) = app(X1,X2)
    | ~ ssList(app(X1,X2))
    | $false
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[458,207,theory(equality)]) ).

cnf(483,plain,
    ( app(X1,app(X2,nil)) = app(X1,X2)
    | ~ ssList(app(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[482,theory(equality)]) ).

cnf(486,plain,
    ( app(X1,X2) = app(nil,app(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1)
    | $false ),
    inference(rw,[status(thm)],[460,207,theory(equality)]) ).

cnf(487,plain,
    ( app(X1,X2) = app(nil,app(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[486,theory(equality)]) ).

cnf(528,plain,
    ( ssList(app(cons(X1,X2),X3))
    | ~ ssList(app(X2,X3))
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(spm,[status(thm)],[206,109,theory(equality)]) ).

cnf(529,plain,
    ( app(cons(X1,X2),X3) != nil
    | ~ ssList(app(X2,X3))
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(spm,[status(thm)],[117,109,theory(equality)]) ).

cnf(595,negated_conjecture,
    ( ~ segmentP(esk16_0,esk17_0)
    | ~ segmentP(esk17_0,esk17_0)
    | $false ),
    inference(rw,[status(thm)],[282,268,theory(equality)]) ).

cnf(596,negated_conjecture,
    ( ~ segmentP(esk16_0,esk17_0)
    | ~ segmentP(esk17_0,esk17_0) ),
    inference(cn,[status(thm)],[595,theory(equality)]) ).

cnf(597,negated_conjecture,
    ( ~ segmentP(esk16_0,esk17_0)
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[596,231,theory(equality)]) ).

cnf(598,negated_conjecture,
    ( ~ segmentP(esk16_0,esk17_0)
    | $false ),
    inference(rw,[status(thm)],[597,268,theory(equality)]) ).

cnf(599,negated_conjecture,
    ~ segmentP(esk16_0,esk17_0),
    inference(cn,[status(thm)],[598,theory(equality)]) ).

cnf(608,negated_conjecture,
    ( esk16_0 = X1
    | ~ segmentP(X1,esk16_0)
    | ~ frontsegP(esk17_0,X1)
    | ~ ssList(X1)
    | ~ totalorderedP(X1)
    | $false ),
    inference(rw,[status(thm)],[324,267,theory(equality)]) ).

cnf(609,negated_conjecture,
    ( esk16_0 = X1
    | ~ segmentP(X1,esk16_0)
    | ~ frontsegP(esk17_0,X1)
    | ~ ssList(X1)
    | ~ totalorderedP(X1) ),
    inference(cn,[status(thm)],[608,theory(equality)]) ).

cnf(622,plain,
    ( app(cons(X1,X2),X3) != nil
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[529,113]) ).

cnf(628,plain,
    ( app(app(cons(X1,X2),X3),X4) != nil
    | ~ ssList(app(X2,X3))
    | ~ ssList(X4)
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(spm,[status(thm)],[622,109,theory(equality)]) ).

cnf(725,plain,
    ( segmentP(X1,X2)
    | nil != X2
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[333,238]) ).

cnf(732,negated_conjecture,
    ( esk16_0 = X1
    | ~ frontsegP(esk17_0,X1)
    | ~ ssList(X1)
    | ~ totalorderedP(X1)
    | nil != esk16_0
    | ~ ssList(esk16_0) ),
    inference(spm,[status(thm)],[609,725,theory(equality)]) ).

cnf(742,negated_conjecture,
    ( esk16_0 = X1
    | ~ frontsegP(esk17_0,X1)
    | ~ ssList(X1)
    | ~ totalorderedP(X1)
    | nil != esk16_0
    | $false ),
    inference(rw,[status(thm)],[732,267,theory(equality)]) ).

cnf(743,negated_conjecture,
    ( esk16_0 = X1
    | ~ frontsegP(esk17_0,X1)
    | ~ ssList(X1)
    | ~ totalorderedP(X1)
    | nil != esk16_0 ),
    inference(cn,[status(thm)],[742,theory(equality)]) ).

cnf(746,negated_conjecture,
    ( esk16_0 = cons(X1,X2)
    | esk16_0 != nil
    | ~ frontsegP(esk17_0,cons(X1,X2))
    | ~ ssList(cons(X1,X2))
    | nil != X2
    | ~ ssList(X2)
    | ~ ssItem(X1) ),
    inference(spm,[status(thm)],[743,56,theory(equality)]) ).

cnf(772,plain,
    ( frontsegP(app(X1,X2),X1)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[334,113]) ).

cnf(780,plain,
    ( frontsegP(app(X1,app(X2,X3)),app(X1,X2))
    | ~ ssList(X3)
    | ~ ssList(app(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[772,78,theory(equality)]) ).

cnf(794,negated_conjecture,
    ( cons(X1,X2) = esk16_0
    | esk16_0 != nil
    | nil != X2
    | ~ frontsegP(esk17_0,cons(X1,X2))
    | ~ ssList(X2)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[746,206]) ).

cnf(796,negated_conjecture,
    ( app(cons(X1,X2),X3) = esk16_0
    | esk16_0 != nil
    | nil != app(X2,X3)
    | ~ frontsegP(esk17_0,app(cons(X1,X2),X3))
    | ~ ssList(app(X2,X3))
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(spm,[status(thm)],[794,109,theory(equality)]) ).

cnf(824,plain,
    ( X1 = app(X2,X3)
    | ~ frontsegP(X1,app(X2,X3))
    | ~ frontsegP(X2,X1)
    | ~ ssList(X1)
    | ~ ssList(X3)
    | ~ ssList(X2) ),
    inference(csr,[status(thm)],[346,113]) ).

cnf(830,plain,
    ( X1 = X3
    | ~ frontsegP(X1,X3)
    | ~ frontsegP(X2,X1)
    | ~ ssList(X1)
    | ~ ssList(esk7_2(X3,X2))
    | ~ ssList(X2)
    | ~ frontsegP(X3,X2)
    | ~ ssList(X3) ),
    inference(spm,[status(thm)],[824,158,theory(equality)]) ).

cnf(847,plain,
    ( app(app(cons(X1,X2),X3),X4) != nil
    | ~ ssList(X4)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[628,113]) ).

cnf(856,plain,
    ( app(cons(X1,X2),app(X3,X4)) != nil
    | ~ ssList(X4)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1)
    | ~ ssList(cons(X1,X2)) ),
    inference(spm,[status(thm)],[847,78,theory(equality)]) ).

cnf(908,plain,
    ( app(cons(X1,X2),app(X3,X4)) != nil
    | ~ ssList(X4)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[856,206]) ).

cnf(911,plain,
    ( app(cons(X1,X2),nil) != nil
    | ~ ssList(X4)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1)
    | nil != X4
    | nil != X3 ),
    inference(spm,[status(thm)],[908,72,theory(equality)]) ).

fof(1055,plain,
    ( ~ epred4_0
  <=> ! [X2,X1] :
        ( ~ ssItem(X1)
        | ~ ssList(X2)
        | app(cons(X1,X2),nil) != nil ) ),
    introduced(definition),
    [split] ).

cnf(1056,plain,
    ( epred4_0
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | app(cons(X1,X2),nil) != nil ),
    inference(split_equiv,[status(thm)],[1055]) ).

fof(1057,plain,
    ( ~ epred5_0
  <=> ! [X4] :
        ( ~ ssList(X4)
        | nil != X4 ) ),
    introduced(definition),
    [split] ).

cnf(1058,plain,
    ( epred5_0
    | ~ ssList(X4)
    | nil != X4 ),
    inference(split_equiv,[status(thm)],[1057]) ).

fof(1059,plain,
    ( ~ epred6_0
  <=> ! [X3] :
        ( ~ ssList(X3)
        | nil != X3 ) ),
    introduced(definition),
    [split] ).

cnf(1060,plain,
    ( epred6_0
    | ~ ssList(X3)
    | nil != X3 ),
    inference(split_equiv,[status(thm)],[1059]) ).

cnf(1061,plain,
    ( ~ epred6_0
    | ~ epred5_0
    | ~ epred4_0 ),
    inference(apply_def,[status(esa)],[inference(apply_def,[status(esa)],[inference(apply_def,[status(esa)],[911,1055,theory(equality)]),1057,theory(equality)]),1059,theory(equality)]),
    [split] ).

cnf(1062,plain,
    epred5_0,
    inference(spm,[status(thm)],[1058,207,theory(equality)]) ).

cnf(1075,plain,
    epred6_0,
    inference(spm,[status(thm)],[1060,207,theory(equality)]) ).

cnf(1088,plain,
    ( $false
    | ~ epred5_0
    | ~ epred4_0 ),
    inference(rw,[status(thm)],[1061,1075,theory(equality)]) ).

cnf(1089,plain,
    ( $false
    | $false
    | ~ epred4_0 ),
    inference(rw,[status(thm)],[1088,1062,theory(equality)]) ).

cnf(1090,plain,
    ~ epred4_0,
    inference(cn,[status(thm)],[1089,theory(equality)]) ).

cnf(1095,plain,
    ( ~ ssItem(X1)
    | ~ ssList(X2)
    | app(cons(X1,X2),nil) != nil ),
    inference(sr,[status(thm)],[1056,1090,theory(equality)]) ).

cnf(1098,plain,
    ( nil = X1
    | app(X1,nil) != nil
    | ~ ssList(esk1_1(X1))
    | ~ ssItem(esk2_1(X1))
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[1095,122,theory(equality)]) ).

cnf(1122,plain,
    ( nil = X1
    | app(X1,nil) != nil
    | ~ ssList(esk1_1(X1))
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[1098,123]) ).

cnf(1123,plain,
    ( nil = X1
    | app(X1,nil) != nil
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[1122,124]) ).

cnf(1127,plain,
    ( nil = app(X1,X2)
    | app(X1,app(X2,nil)) != nil
    | ~ ssList(app(X1,X2))
    | ~ ssList(nil)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[1123,78,theory(equality)]) ).

cnf(1132,plain,
    ( nil = app(X1,X2)
    | app(X1,app(X2,nil)) != nil
    | ~ ssList(app(X1,X2))
    | $false
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[1127,207,theory(equality)]) ).

cnf(1133,plain,
    ( nil = app(X1,X2)
    | app(X1,app(X2,nil)) != nil
    | ~ ssList(app(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[1132,theory(equality)]) ).

cnf(1134,plain,
    ( app(X1,X2) = nil
    | app(X1,app(X2,nil)) != nil
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[1133,113]) ).

cnf(1137,plain,
    ( app(nil,X1) = nil
    | app(X1,nil) != nil
    | ~ ssList(X1)
    | ~ ssList(nil)
    | ~ ssList(app(X1,nil)) ),
    inference(spm,[status(thm)],[1134,98,theory(equality)]) ).

cnf(1146,plain,
    ( app(nil,X1) = nil
    | app(X1,nil) != nil
    | ~ ssList(X1)
    | $false
    | ~ ssList(app(X1,nil)) ),
    inference(rw,[status(thm)],[1137,207,theory(equality)]) ).

cnf(1147,plain,
    ( app(nil,X1) = nil
    | app(X1,nil) != nil
    | ~ ssList(X1)
    | ~ ssList(app(X1,nil)) ),
    inference(cn,[status(thm)],[1146,theory(equality)]) ).

cnf(1155,plain,
    ( app(nil,nil) = nil
    | ~ ssList(nil) ),
    inference(spm,[status(thm)],[1147,98,theory(equality)]) ).

cnf(1160,plain,
    ( app(nil,nil) = nil
    | $false ),
    inference(rw,[status(thm)],[1155,207,theory(equality)]) ).

cnf(1161,plain,
    app(nil,nil) = nil,
    inference(cn,[status(thm)],[1160,theory(equality)]) ).

cnf(1179,plain,
    ( app(nil,X1) = app(nil,app(nil,X1))
    | ~ ssList(X1)
    | ~ ssList(nil) ),
    inference(spm,[status(thm)],[78,1161,theory(equality)]) ).

cnf(1180,plain,
    ( cons(X1,nil) = app(cons(X1,nil),nil)
    | ~ ssList(nil)
    | ~ ssItem(X1) ),
    inference(spm,[status(thm)],[109,1161,theory(equality)]) ).

cnf(1207,plain,
    ( app(nil,X1) = app(nil,app(nil,X1))
    | ~ ssList(X1)
    | $false ),
    inference(rw,[status(thm)],[1179,207,theory(equality)]) ).

cnf(1208,plain,
    ( app(nil,X1) = app(nil,app(nil,X1))
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[1207,theory(equality)]) ).

cnf(1209,plain,
    ( cons(X1,nil) = app(cons(X1,nil),nil)
    | $false
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[1180,207,theory(equality)]) ).

cnf(1210,plain,
    ( cons(X1,nil) = app(cons(X1,nil),nil)
    | ~ ssItem(X1) ),
    inference(cn,[status(thm)],[1209,theory(equality)]) ).

cnf(2293,plain,
    ( segmentP(X1,X2)
    | X3 != X1
    | ~ ssList(esk7_2(X3,X2))
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ frontsegP(X3,X2)
    | ~ ssList(X3) ),
    inference(spm,[status(thm)],[421,158,theory(equality)]) ).

cnf(2310,plain,
    ( segmentP(X1,X2)
    | ~ ssList(esk7_2(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ frontsegP(X1,X2) ),
    inference(er,[status(thm)],[2293,theory(equality)]) ).

cnf(3986,plain,
    ( frontsegP(X1,cons(esk2_1(X2),nil))
    | nil = X2
    | X2 != X1
    | ~ ssList(cons(esk2_1(X2),nil))
    | ~ ssList(esk1_1(X2))
    | ~ ssList(X1)
    | ~ ssItem(esk2_1(X2))
    | ~ ssList(X2) ),
    inference(spm,[status(thm)],[442,122,theory(equality)]) ).

cnf(3990,plain,
    ( frontsegP(X1,cons(esk2_1(X1),nil))
    | nil = X1
    | ~ ssList(cons(esk2_1(X1),nil))
    | ~ ssList(esk1_1(X1))
    | ~ ssList(X1)
    | ~ ssItem(esk2_1(X1)) ),
    inference(er,[status(thm)],[3986,theory(equality)]) ).

cnf(4879,plain,
    ( app(X1,app(X2,nil)) = app(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[483,113]) ).

cnf(4942,plain,
    ( app(nil,X1) = app(X1,nil)
    | ~ ssList(nil)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[487,4879,theory(equality)]) ).

cnf(4991,plain,
    ( app(nil,X1) = app(X1,nil)
    | $false
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[4942,207,theory(equality)]) ).

cnf(4992,plain,
    ( app(nil,X1) = app(X1,nil)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[4991,theory(equality)]) ).

cnf(5089,plain,
    ( app(nil,app(X1,nil)) = app(X1,nil)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[1208,4992,theory(equality)]) ).

cnf(6382,plain,
    ( frontsegP(X1,app(X2,X3))
    | app(X2,app(X3,X4)) != X1
    | ~ ssList(X1)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X4) ),
    inference(csr,[status(thm)],[466,113]) ).

cnf(9863,plain,
    ( frontsegP(X1,app(nil,X2))
    | app(X2,nil) != X1
    | ~ ssList(nil)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(spm,[status(thm)],[6382,5089,theory(equality)]) ).

cnf(9880,plain,
    ( segmentP(X1,X2)
    | app(X2,nil) != X1
    | ~ ssList(nil)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[476,5089,theory(equality)]) ).

cnf(10015,plain,
    ( frontsegP(X1,app(nil,X2))
    | app(X2,nil) != X1
    | $false
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(rw,[status(thm)],[9863,207,theory(equality)]) ).

cnf(10016,plain,
    ( frontsegP(X1,app(nil,X2))
    | app(X2,nil) != X1
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(cn,[status(thm)],[10015,theory(equality)]) ).

cnf(10045,plain,
    ( segmentP(X1,X2)
    | app(X2,nil) != X1
    | $false
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[9880,207,theory(equality)]) ).

cnf(10046,plain,
    ( segmentP(X1,X2)
    | app(X2,nil) != X1
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[10045,theory(equality)]) ).

cnf(10108,negated_conjecture,
    ( app(esk17_0,nil) != esk16_0
    | ~ ssList(esk17_0)
    | ~ ssList(esk16_0) ),
    inference(spm,[status(thm)],[599,10046,theory(equality)]) ).

cnf(10128,negated_conjecture,
    ( app(esk17_0,nil) != esk16_0
    | $false
    | ~ ssList(esk16_0) ),
    inference(rw,[status(thm)],[10108,268,theory(equality)]) ).

cnf(10129,negated_conjecture,
    ( app(esk17_0,nil) != esk16_0
    | $false
    | $false ),
    inference(rw,[status(thm)],[10128,267,theory(equality)]) ).

cnf(10130,negated_conjecture,
    app(esk17_0,nil) != esk16_0,
    inference(cn,[status(thm)],[10129,theory(equality)]) ).

cnf(10155,negated_conjecture,
    ( esk17_0 != esk16_0
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[10130,67,theory(equality)]) ).

cnf(10160,negated_conjecture,
    ( esk17_0 != esk16_0
    | $false ),
    inference(rw,[status(thm)],[10155,268,theory(equality)]) ).

cnf(10161,negated_conjecture,
    esk17_0 != esk16_0,
    inference(cn,[status(thm)],[10160,theory(equality)]) ).

cnf(11325,plain,
    ( ssList(app(cons(X1,X2),X3))
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[528,113]) ).

cnf(11332,plain,
    ( ssList(cons(X1,nil))
    | ~ ssList(nil)
    | ~ ssItem(X1) ),
    inference(spm,[status(thm)],[11325,1210,theory(equality)]) ).

cnf(11352,plain,
    ( ssList(cons(X1,nil))
    | $false
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[11332,207,theory(equality)]) ).

cnf(11353,plain,
    ( ssList(cons(X1,nil))
    | ~ ssItem(X1) ),
    inference(cn,[status(thm)],[11352,theory(equality)]) ).

cnf(16218,plain,
    ( frontsegP(X1,X2)
    | app(X2,nil) != X1
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(spm,[status(thm)],[10016,98,theory(equality)]) ).

cnf(17684,plain,
    ( frontsegP(app(X1,app(X2,X3)),app(X1,X2))
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ ssList(X3) ),
    inference(csr,[status(thm)],[780,113]) ).

cnf(17769,plain,
    ( frontsegP(app(X1,nil),app(nil,X1))
    | ~ ssList(nil)
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[17684,5089,theory(equality)]) ).

cnf(17876,plain,
    ( frontsegP(app(X1,nil),app(nil,X1))
    | $false
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[17769,207,theory(equality)]) ).

cnf(17877,plain,
    ( frontsegP(app(X1,nil),app(nil,X1))
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[17876,theory(equality)]) ).

cnf(18138,negated_conjecture,
    ( app(cons(X1,X2),X3) = esk16_0
    | app(X2,X3) != nil
    | esk16_0 != nil
    | ~ frontsegP(esk17_0,app(cons(X1,X2),X3))
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[796,113]) ).

cnf(18333,plain,
    ( frontsegP(X1,app(nil,X1))
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[17877,67,theory(equality)]) ).

cnf(18479,plain,
    ( frontsegP(X1,app(X1,nil))
    | ~ ssList(X1) ),
    inference(spm,[status(thm)],[18333,4992,theory(equality)]) ).

cnf(18809,plain,
    ( X1 = X3
    | ~ frontsegP(X3,X2)
    | ~ frontsegP(X1,X3)
    | ~ frontsegP(X2,X1)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[830,159]) ).

cnf(18810,negated_conjecture,
    ( esk17_0 = esk16_0
    | ~ frontsegP(X1,esk17_0)
    | ~ frontsegP(esk16_0,X1)
    | ~ ssList(esk17_0)
    | ~ ssList(X1)
    | ~ ssList(esk16_0) ),
    inference(spm,[status(thm)],[18809,261,theory(equality)]) ).

cnf(18860,negated_conjecture,
    ( esk17_0 = esk16_0
    | ~ frontsegP(X1,esk17_0)
    | ~ frontsegP(esk16_0,X1)
    | $false
    | ~ ssList(X1)
    | ~ ssList(esk16_0) ),
    inference(rw,[status(thm)],[18810,268,theory(equality)]) ).

cnf(18861,negated_conjecture,
    ( esk17_0 = esk16_0
    | ~ frontsegP(X1,esk17_0)
    | ~ frontsegP(esk16_0,X1)
    | $false
    | ~ ssList(X1)
    | $false ),
    inference(rw,[status(thm)],[18860,267,theory(equality)]) ).

cnf(18862,negated_conjecture,
    ( esk17_0 = esk16_0
    | ~ frontsegP(X1,esk17_0)
    | ~ frontsegP(esk16_0,X1)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[18861,theory(equality)]) ).

cnf(18863,negated_conjecture,
    ( ~ frontsegP(X1,esk17_0)
    | ~ frontsegP(esk16_0,X1)
    | ~ ssList(X1) ),
    inference(sr,[status(thm)],[18862,10161,theory(equality)]) ).

cnf(19057,negated_conjecture,
    ( ~ frontsegP(esk16_0,X1)
    | ~ ssList(X1)
    | app(esk17_0,nil) != X1
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[18863,16218,theory(equality)]) ).

cnf(19092,negated_conjecture,
    ( ~ frontsegP(esk16_0,X1)
    | ~ ssList(X1)
    | app(esk17_0,nil) != X1
    | $false ),
    inference(rw,[status(thm)],[19057,268,theory(equality)]) ).

cnf(19093,negated_conjecture,
    ( ~ frontsegP(esk16_0,X1)
    | ~ ssList(X1)
    | app(esk17_0,nil) != X1 ),
    inference(cn,[status(thm)],[19092,theory(equality)]) ).

cnf(20368,negated_conjecture,
    ( app(esk17_0,nil) != app(esk16_0,nil)
    | ~ ssList(app(esk16_0,nil))
    | ~ ssList(esk16_0) ),
    inference(spm,[status(thm)],[19093,18479,theory(equality)]) ).

cnf(20411,negated_conjecture,
    ( app(esk17_0,nil) != app(esk16_0,nil)
    | ~ ssList(app(esk16_0,nil))
    | $false ),
    inference(rw,[status(thm)],[20368,267,theory(equality)]) ).

cnf(20412,negated_conjecture,
    ( app(esk17_0,nil) != app(esk16_0,nil)
    | ~ ssList(app(esk16_0,nil)) ),
    inference(cn,[status(thm)],[20411,theory(equality)]) ).

cnf(27148,negated_conjecture,
    ( app(esk17_0,nil) != app(esk16_0,nil)
    | ~ ssList(nil)
    | ~ ssList(esk16_0) ),
    inference(spm,[status(thm)],[20412,113,theory(equality)]) ).

cnf(27155,negated_conjecture,
    ( app(esk17_0,nil) != app(esk16_0,nil)
    | $false
    | ~ ssList(esk16_0) ),
    inference(rw,[status(thm)],[27148,207,theory(equality)]) ).

cnf(27156,negated_conjecture,
    ( app(esk17_0,nil) != app(esk16_0,nil)
    | $false
    | $false ),
    inference(rw,[status(thm)],[27155,267,theory(equality)]) ).

cnf(27157,negated_conjecture,
    app(esk17_0,nil) != app(esk16_0,nil),
    inference(cn,[status(thm)],[27156,theory(equality)]) ).

cnf(27175,negated_conjecture,
    ( esk17_0 != app(esk16_0,nil)
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[27157,67,theory(equality)]) ).

cnf(27180,negated_conjecture,
    ( esk17_0 != app(esk16_0,nil)
    | $false ),
    inference(rw,[status(thm)],[27175,268,theory(equality)]) ).

cnf(27181,negated_conjecture,
    esk17_0 != app(esk16_0,nil),
    inference(cn,[status(thm)],[27180,theory(equality)]) ).

cnf(46432,plain,
    ( segmentP(X1,X2)
    | ~ frontsegP(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[2310,159]) ).

cnf(46438,negated_conjecture,
    ( X1 = nil
    | ~ segmentP(esk16_0,X1)
    | ~ ssList(X1)
    | ~ frontsegP(esk17_0,X1)
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[285,46432,theory(equality)]) ).

cnf(46478,negated_conjecture,
    ( X1 = nil
    | ~ segmentP(esk16_0,X1)
    | ~ ssList(X1)
    | ~ frontsegP(esk17_0,X1)
    | $false ),
    inference(rw,[status(thm)],[46438,268,theory(equality)]) ).

cnf(46479,negated_conjecture,
    ( X1 = nil
    | ~ segmentP(esk16_0,X1)
    | ~ ssList(X1)
    | ~ frontsegP(esk17_0,X1) ),
    inference(cn,[status(thm)],[46478,theory(equality)]) ).

cnf(46818,negated_conjecture,
    ( esk16_0 = nil
    | ~ frontsegP(esk17_0,esk16_0)
    | ~ ssList(esk16_0) ),
    inference(spm,[status(thm)],[46479,231,theory(equality)]) ).

cnf(46839,negated_conjecture,
    ( esk16_0 = nil
    | $false
    | ~ ssList(esk16_0) ),
    inference(rw,[status(thm)],[46818,261,theory(equality)]) ).

cnf(46840,negated_conjecture,
    ( esk16_0 = nil
    | $false
    | $false ),
    inference(rw,[status(thm)],[46839,267,theory(equality)]) ).

cnf(46841,negated_conjecture,
    esk16_0 = nil,
    inference(cn,[status(thm)],[46840,theory(equality)]) ).

cnf(46898,negated_conjecture,
    nil != esk17_0,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[27181,46841,theory(equality)]),1161,theory(equality)]) ).

cnf(47181,negated_conjecture,
    ( app(cons(X1,X2),X3) = nil
    | app(X2,X3) != nil
    | esk16_0 != nil
    | ~ frontsegP(esk17_0,app(cons(X1,X2),X3))
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[18138,46841,theory(equality)]) ).

cnf(47182,negated_conjecture,
    ( app(cons(X1,X2),X3) = nil
    | app(X2,X3) != nil
    | $false
    | ~ frontsegP(esk17_0,app(cons(X1,X2),X3))
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[47181,46841,theory(equality)]) ).

cnf(47183,negated_conjecture,
    ( app(cons(X1,X2),X3) = nil
    | app(X2,X3) != nil
    | ~ frontsegP(esk17_0,app(cons(X1,X2),X3))
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(cn,[status(thm)],[47182,theory(equality)]) ).

cnf(48001,negated_conjecture,
    ( app(X2,X3) != nil
    | ~ frontsegP(esk17_0,app(cons(X1,X2),X3))
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[47183,622]) ).

cnf(48009,negated_conjecture,
    ( app(nil,nil) != nil
    | ~ frontsegP(esk17_0,cons(X1,nil))
    | ~ ssList(nil)
    | ~ ssItem(X1) ),
    inference(spm,[status(thm)],[48001,1210,theory(equality)]) ).

cnf(48051,negated_conjecture,
    ( $false
    | ~ frontsegP(esk17_0,cons(X1,nil))
    | ~ ssList(nil)
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[48009,1161,theory(equality)]) ).

cnf(48052,negated_conjecture,
    ( $false
    | ~ frontsegP(esk17_0,cons(X1,nil))
    | $false
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[48051,207,theory(equality)]) ).

cnf(48053,negated_conjecture,
    ( ~ frontsegP(esk17_0,cons(X1,nil))
    | ~ ssItem(X1) ),
    inference(cn,[status(thm)],[48052,theory(equality)]) ).

cnf(82271,plain,
    ( nil = X1
    | frontsegP(X1,cons(esk2_1(X1),nil))
    | ~ ssList(cons(esk2_1(X1),nil))
    | ~ ssList(esk1_1(X1))
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[3990,123]) ).

cnf(82272,plain,
    ( nil = X1
    | frontsegP(X1,cons(esk2_1(X1),nil))
    | ~ ssList(cons(esk2_1(X1),nil))
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[82271,124]) ).

cnf(82320,negated_conjecture,
    ( nil = esk17_0
    | ~ ssItem(esk2_1(esk17_0))
    | ~ ssList(cons(esk2_1(esk17_0),nil))
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[48053,82272,theory(equality)]) ).

cnf(82381,negated_conjecture,
    ( nil = esk17_0
    | ~ ssItem(esk2_1(esk17_0))
    | ~ ssList(cons(esk2_1(esk17_0),nil))
    | $false ),
    inference(rw,[status(thm)],[82320,268,theory(equality)]) ).

cnf(82382,negated_conjecture,
    ( nil = esk17_0
    | ~ ssItem(esk2_1(esk17_0))
    | ~ ssList(cons(esk2_1(esk17_0),nil)) ),
    inference(cn,[status(thm)],[82381,theory(equality)]) ).

cnf(82383,negated_conjecture,
    ( ~ ssItem(esk2_1(esk17_0))
    | ~ ssList(cons(esk2_1(esk17_0),nil)) ),
    inference(sr,[status(thm)],[82382,46898,theory(equality)]) ).

cnf(82400,negated_conjecture,
    ~ ssItem(esk2_1(esk17_0)),
    inference(csr,[status(thm)],[82383,11353]) ).

cnf(82401,negated_conjecture,
    ( nil = esk17_0
    | ~ ssList(esk17_0) ),
    inference(spm,[status(thm)],[82400,123,theory(equality)]) ).

cnf(82403,negated_conjecture,
    ( nil = esk17_0
    | $false ),
    inference(rw,[status(thm)],[82401,268,theory(equality)]) ).

cnf(82404,negated_conjecture,
    nil = esk17_0,
    inference(cn,[status(thm)],[82403,theory(equality)]) ).

cnf(82405,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[82404,46898,theory(equality)]) ).

cnf(82406,negated_conjecture,
    $false,
    82405,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SWC/SWC091+1.p
% --creating new selector for [SWC001+0.ax]
% -running prover on /tmp/tmp2xutpp/sel_SWC091+1.p_1 with time limit 29
% -prover status Theorem
% Problem SWC091+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SWC/SWC091+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SWC/SWC091+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
% 
%------------------------------------------------------------------------------