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iProver---3.9.4.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : iProver---3.9.4
% Problem  : SWC170+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM

% Computer : n002.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep 25 03:08:12 PM UTC 2026

% Result   : Theorem 127.00s 45.75s
% Output   : CNFRefutation 127.00s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   29
%            Number of leaves      :   34
% Syntax   : Number of formulae    :  329 (  83 unt;   4 def)
%            Number of atoms       : 1379 ( 315 equ)
%            Maximal formula atoms :   15 (   4 avg)
%            Number of connectives : 1375 ( 584   ~; 603   |; 104   &)
%                                         (  18 <=>;  66  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   24 (   5 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :   12 (  10 usr;   5 prp; 0-2 aty)
%            Number of functors    :   20 (  20 usr;   9 con; 0-2 aty)
%            Number of variables   :  404 (   0 sgn 362   !;  42   ?; 126   :)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax1) ).

fof(f3,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ( memberP(X0,X1)
          <=> ? [X2] :
                ( ? [X3] :
                    ( app(X2,cons(X1,X3)) = X0
                    & ssList(X3) )
                & ssList(X2) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax3) ).

fof(f4,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( singletonP(X0)
      <=> ? [X1] :
            ( cons(X1,nil) = X0
            & ssItem(X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax4) ).

fof(f7,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( segmentP(X0,X1)
          <=> ? [X2] :
                ( ? [X3] :
                    ( app(app(X2,X1),X3) = X0
                    & ssList(X3) )
                & ssList(X2) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax7) ).

fof(f15,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax15) ).

fof(f16,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ssList(cons(X1,X0)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax16) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax17) ).

fof(f18,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssItem(X1)
         => cons(X1,X0) != X0 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax18) ).

fof(f19,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssItem(X2)
             => ! [X3] :
                  ( ssItem(X3)
                 => ( cons(X2,X0) = cons(X3,X1)
                   => ( X1 = X0
                      & X2 = X3 ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax19) ).

fof(f26,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ssList(app(X0,X1)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax26) ).

fof(f28,axiom,
    ! [X0] :
      ( ssList(X0)
     => app(nil,X0) = X0 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax28) ).

fof(f36,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ( memberP(app(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | memberP(X1,X0) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax36) ).

fof(f37,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ! [X2] :
              ( ssList(X2)
             => ( memberP(cons(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | X0 = X1 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax37) ).

fof(f38,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ~ memberP(nil,X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax38) ).

fof(f54,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( ( segmentP(X1,X0)
              & segmentP(X0,X1) )
           => X0 = X1 ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax54) ).

fof(f57,axiom,
    ! [X0] :
      ( ssList(X0)
     => segmentP(X0,nil) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax57) ).

fof(f58,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( segmentP(nil,X0)
      <=> nil = X0 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax58) ).

fof(f75,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( nil != X0
       => ? [X1] :
            ( hd(X0) = X1
            & ssItem(X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax75) ).

fof(f76,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( nil != X0
       => ? [X1] :
            ( tl(X0) = X1
            & ssList(X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax76) ).

fof(f78,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( nil != X0
       => cons(hd(X0),tl(X0)) = X0 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax78) ).

fof(f79,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ( app(X2,X1) = app(X0,X1)
               => X2 = X0 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax79) ).

fof(f80,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ( app(X1,X2) = app(X1,X0)
               => X2 = X0 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax80) ).

fof(f83,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( nil = app(X0,X1)
          <=> ( nil = X0
              & nil = X1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax83) ).

fof(f84,axiom,
    ! [X0] :
      ( ssList(X0)
     => app(X0,nil) = X0 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax84) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ( neq(X3,nil)
                      & ~ singletonP(X2) )
                    | ! [X4] :
                        ( ssItem(X4)
                       => ! [X5] :
                            ( ssItem(X5)
                           => ! [X6] :
                                ( ssList(X6)
                               => ! [X7] :
                                    ( ssList(X7)
                                   => ( neq(X4,X5)
                                      | app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) != X0 ) ) ) ) )
                    | ~ segmentP(X3,X2)
                    | X0 != X2
                    | X1 != X3 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ( neq(X3,nil)
                        & ~ singletonP(X2) )
                      | ! [X4] :
                          ( ssItem(X4)
                         => ! [X5] :
                              ( ssItem(X5)
                             => ! [X6] :
                                  ( ssList(X6)
                                 => ! [X7] :
                                      ( ssList(X7)
                                     => ( neq(X4,X5)
                                        | app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) != X0 ) ) ) ) )
                      | ~ segmentP(X3,X2)
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f98,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f99,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ( memberP(X0,X1)
          <=> ? [X2] :
                ( ? [X3] :
                    ( app(X2,cons(X1,X3)) = X0
                    & ssList(X3) )
                & ssList(X2) ) ) ) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f100,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ( singletonP(X0)
      <=> ? [X1] :
            ( cons(X1,nil) = X0
            & ssItem(X1) ) ) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f103,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( segmentP(X0,X1)
          <=> ? [X2] :
                ( ? [X3] :
                    ( app(app(X2,X1),X3) = X0
                    & ssList(X3) )
                & ssList(X2) ) ) ) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f118,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f119,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ssList(cons(X1,X0)) ) ),
    inference(ennf_transformation,[],[f16]) ).

fof(f120,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | cons(X1,X0) != X0 ) ),
    inference(ennf_transformation,[],[f18]) ).

fof(f121,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssItem(X2)
              | ! [X3] :
                  ( ~ ssItem(X3)
                  | cons(X2,X0) != cons(X3,X1)
                  | ( X1 = X0
                    & X2 = X3 ) ) ) ) ),
    inference(ennf_transformation,[],[f19]) ).

fof(f122,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssItem(X2)
              | ! [X3] :
                  ( ~ ssItem(X3)
                  | cons(X2,X0) != cons(X3,X1)
                  | ( X1 = X0
                    & X2 = X3 ) ) ) ) ),
    inference(flattening,[],[f121]) ).

fof(f132,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ssList(app(X0,X1)) ) ),
    inference(ennf_transformation,[],[f26]) ).

fof(f134,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(nil,X0) = X0 ),
    inference(ennf_transformation,[],[f28]) ).

fof(f146,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( memberP(app(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | memberP(X1,X0) ) ) ) ) ),
    inference(ennf_transformation,[],[f36]) ).

fof(f147,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( memberP(cons(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | X0 = X1 ) ) ) ) ),
    inference(ennf_transformation,[],[f37]) ).

fof(f148,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ~ memberP(nil,X0) ),
    inference(ennf_transformation,[],[f38]) ).

fof(f170,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ~ segmentP(X1,X0)
          | ~ segmentP(X0,X1)
          | X0 = X1 ) ),
    inference(ennf_transformation,[],[f54]) ).

fof(f171,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ~ segmentP(X1,X0)
          | ~ segmentP(X0,X1)
          | X0 = X1 ) ),
    inference(flattening,[],[f170]) ).

fof(f175,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | segmentP(X0,nil) ),
    inference(ennf_transformation,[],[f57]) ).

fof(f176,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ( segmentP(nil,X0)
      <=> nil = X0 ) ),
    inference(ennf_transformation,[],[f58]) ).

fof(f186,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ? [X1] :
          ( hd(X0) = X1
          & ssItem(X1) ) ),
    inference(ennf_transformation,[],[f75]) ).

fof(f187,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ? [X1] :
          ( hd(X0) = X1
          & ssItem(X1) ) ),
    inference(flattening,[],[f186]) ).

fof(f188,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ? [X1] :
          ( tl(X0) = X1
          & ssList(X1) ) ),
    inference(ennf_transformation,[],[f76]) ).

fof(f189,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ? [X1] :
          ( tl(X0) = X1
          & ssList(X1) ) ),
    inference(flattening,[],[f188]) ).

fof(f192,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | cons(hd(X0),tl(X0)) = X0 ),
    inference(ennf_transformation,[],[f78]) ).

fof(f193,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | cons(hd(X0),tl(X0)) = X0 ),
    inference(flattening,[],[f192]) ).

fof(f194,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | app(X2,X1) != app(X0,X1)
              | X2 = X0 ) ) ),
    inference(ennf_transformation,[],[f79]) ).

fof(f195,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | app(X2,X1) != app(X0,X1)
              | X2 = X0 ) ) ),
    inference(flattening,[],[f194]) ).

fof(f196,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | app(X1,X2) != app(X1,X0)
              | X2 = X0 ) ) ),
    inference(ennf_transformation,[],[f80]) ).

fof(f197,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | app(X1,X2) != app(X1,X0)
              | X2 = X0 ) ) ),
    inference(flattening,[],[f196]) ).

fof(f200,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( nil = app(X0,X1)
          <=> ( nil = X0
              & nil = X1 ) ) ) ),
    inference(ennf_transformation,[],[f83]) ).

fof(f201,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(X0,nil) = X0 ),
    inference(ennf_transformation,[],[f84]) ).

fof(f221,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ( ~ neq(X3,nil)
                    | singletonP(X2) )
                  & ? [X4] :
                      ( ssItem(X4)
                      & ? [X5] :
                          ( ssItem(X5)
                          & ? [X6] :
                              ( ssList(X6)
                              & ? [X7] :
                                  ( ssList(X7)
                                  & ~ neq(X4,X5)
                                  & app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) = X0 ) ) ) )
                  & segmentP(X3,X2)
                  & X0 = X2
                  & X1 = X3 ) ) ) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f222,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ( ~ neq(X3,nil)
                    | singletonP(X2) )
                  & ? [X4] :
                      ( ssItem(X4)
                      & ? [X5] :
                          ( ssItem(X5)
                          & ? [X6] :
                              ( ssList(X6)
                              & ? [X7] :
                                  ( ssList(X7)
                                  & ~ neq(X4,X5)
                                  & app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) = X0 ) ) ) )
                  & segmentP(X3,X2)
                  & X0 = X2
                  & X1 = X3 ) ) ) ),
    inference(flattening,[],[f221]) ).

fof(f232,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ( ( ~ neq(X0,X1)
              | X0 != X1 )
            & ( X0 = X1
              | neq(X0,X1) ) ) ) ),
    inference(nnf_transformation,[],[f98]) ).

fof(f234,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ( ( ~ memberP(X0,X1)
              | ? [X2] :
                  ( ? [X3] :
                      ( app(X2,cons(X1,X3)) = X0
                      & ssList(X3) )
                  & ssList(X2) ) )
            & ( ! [X2] :
                  ( ! [X3] :
                      ( app(X2,cons(X1,X3)) != X0
                      | ~ ssList(X3) )
                  | ~ ssList(X2) )
              | memberP(X0,X1) ) ) ) ),
    inference(nnf_transformation,[],[f99]) ).

fof(f235,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ( ( ~ memberP(X0,X1)
              | ? [X4] :
                  ( ? [X5] :
                      ( app(X4,cons(X1,X5)) = X0
                      & ssList(X5) )
                  & ssList(X4) ) )
            & ( ! [X2] :
                  ( ! [X3] :
                      ( app(X2,cons(X1,X3)) != X0
                      | ~ ssList(X3) )
                  | ~ ssList(X2) )
              | memberP(X0,X1) ) ) ) ),
    inference(rectify,[],[f234]) ).

fof(f236,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ( ( ~ memberP(X0,X1)
              | ( app(sK8(X0,X1),cons(X1,sK9(X0,X1))) = X0
                & ssList(sK9(X0,X1))
                & ssList(sK8(X0,X1)) ) )
            & ( ! [X2] :
                  ( ! [X3] :
                      ( app(X2,cons(X1,X3)) != X0
                      | ~ ssList(X3) )
                  | ~ ssList(X2) )
              | memberP(X0,X1) ) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK8,sK9]),skolemize(X4,sK8(X0,X1)),skolemize(X5,sK9(X0,X1))],[f235]) ).

fof(f237,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ( ( ~ singletonP(X0)
          | ? [X1] :
              ( cons(X1,nil) = X0
              & ssItem(X1) ) )
        & ( ! [X1] :
              ( cons(X1,nil) != X0
              | ~ ssItem(X1) )
          | singletonP(X0) ) ) ),
    inference(nnf_transformation,[],[f100]) ).

fof(f238,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ( ( ~ singletonP(X0)
          | ? [X2] :
              ( cons(X2,nil) = X0
              & ssItem(X2) ) )
        & ( ! [X1] :
              ( cons(X1,nil) != X0
              | ~ ssItem(X1) )
          | singletonP(X0) ) ) ),
    inference(rectify,[],[f237]) ).

fof(f239,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ( ( ~ singletonP(X0)
          | ( cons(sK10(X0),nil) = X0
            & ssItem(sK10(X0)) ) )
        & ( ! [X1] :
              ( cons(X1,nil) != X0
              | ~ ssItem(X1) )
          | singletonP(X0) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK10]),skolemize(X2,sK10(X0))],[f238]) ).

fof(f246,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( ( ~ segmentP(X0,X1)
              | ? [X2] :
                  ( ? [X3] :
                      ( app(app(X2,X1),X3) = X0
                      & ssList(X3) )
                  & ssList(X2) ) )
            & ( ! [X2] :
                  ( ! [X3] :
                      ( app(app(X2,X1),X3) != X0
                      | ~ ssList(X3) )
                  | ~ ssList(X2) )
              | segmentP(X0,X1) ) ) ) ),
    inference(nnf_transformation,[],[f103]) ).

fof(f247,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( ( ~ segmentP(X0,X1)
              | ? [X4] :
                  ( ? [X5] :
                      ( app(app(X4,X1),X5) = X0
                      & ssList(X5) )
                  & ssList(X4) ) )
            & ( ! [X2] :
                  ( ! [X3] :
                      ( app(app(X2,X1),X3) != X0
                      | ~ ssList(X3) )
                  | ~ ssList(X2) )
              | segmentP(X0,X1) ) ) ) ),
    inference(rectify,[],[f246]) ).

fof(f248,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( ( ~ segmentP(X0,X1)
              | ( app(app(sK13(X0,X1),X1),sK14(X0,X1)) = X0
                & ssList(sK14(X0,X1))
                & ssList(sK13(X0,X1)) ) )
            & ( ! [X2] :
                  ( ! [X3] :
                      ( app(app(X2,X1),X3) != X0
                      | ~ ssList(X3) )
                  | ~ ssList(X2) )
              | segmentP(X0,X1) ) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK13,sK14]),skolemize(X4,sK13(X0,X1)),skolemize(X5,sK14(X0,X1))],[f247]) ).

fof(f273,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( ( ~ neq(X0,X1)
              | X0 != X1 )
            & ( X0 = X1
              | neq(X0,X1) ) ) ) ),
    inference(nnf_transformation,[],[f118]) ).

fof(f277,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( ( ~ memberP(app(X1,X2),X0)
                  | memberP(X2,X0)
                  | memberP(X1,X0) )
                & ( ( ~ memberP(X2,X0)
                    & ~ memberP(X1,X0) )
                  | memberP(app(X1,X2),X0) ) ) ) ) ),
    inference(nnf_transformation,[],[f146]) ).

fof(f278,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( ( ~ memberP(app(X1,X2),X0)
                  | memberP(X2,X0)
                  | memberP(X1,X0) )
                & ( ( ~ memberP(X2,X0)
                    & ~ memberP(X1,X0) )
                  | memberP(app(X1,X2),X0) ) ) ) ) ),
    inference(flattening,[],[f277]) ).

fof(f279,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( ( ~ memberP(cons(X1,X2),X0)
                  | memberP(X2,X0)
                  | X0 = X1 )
                & ( ( ~ memberP(X2,X0)
                    & X0 != X1 )
                  | memberP(cons(X1,X2),X0) ) ) ) ) ),
    inference(nnf_transformation,[],[f147]) ).

fof(f280,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( ( ~ memberP(cons(X1,X2),X0)
                  | memberP(X2,X0)
                  | X0 = X1 )
                & ( ( ~ memberP(X2,X0)
                    & X0 != X1 )
                  | memberP(cons(X1,X2),X0) ) ) ) ) ),
    inference(flattening,[],[f279]) ).

fof(f285,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ( ( ~ segmentP(nil,X0)
          | nil = X0 )
        & ( nil != X0
          | segmentP(nil,X0) ) ) ),
    inference(nnf_transformation,[],[f176]) ).

fof(f290,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ( hd(X0) = sK51(X0)
        & ssItem(sK51(X0)) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK51]),skolemize(X1,sK51(X0))],[f187]) ).

fof(f291,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ( tl(X0) = sK52(X0)
        & ssList(sK52(X0)) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK52]),skolemize(X1,sK52(X0))],[f189]) ).

fof(f292,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( ( nil != app(X0,X1)
              | ( nil = X0
                & nil = X1 ) )
            & ( nil != X0
              | nil != X1
              | nil = app(X0,X1) ) ) ) ),
    inference(nnf_transformation,[],[f200]) ).

fof(f293,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ( ( nil != app(X0,X1)
              | ( nil = X0
                & nil = X1 ) )
            & ( nil != X0
              | nil != X1
              | nil = app(X0,X1) ) ) ) ),
    inference(flattening,[],[f292]) ).

fof(f296,plain,
    ( ssList(sK53)
    & ssList(sK54)
    & ssList(sK55)
    & ssList(sK56)
    & ( ~ neq(sK56,nil)
      | singletonP(sK55) )
    & ssItem(sK57)
    & ssItem(sK58)
    & ssList(sK59)
    & ssList(sK60)
    & ~ neq(sK57,sK58)
    & sK53 = app(app(app(sK59,cons(sK57,nil)),cons(sK58,nil)),sK60)
    & segmentP(sK56,sK55)
    & sK53 = sK55
    & sK54 = sK56 ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK53,sK54,sK55,sK56,sK57,sK58,sK59,sK60]),skolemize(X0,sK53),skolemize(X1,sK54),skolemize(X2,sK55),skolemize(X3,sK56),skolemize(X4,sK57),skolemize(X5,sK58),skolemize(X6,sK59),skolemize(X7,sK60)],[f222]) ).

fof(f298,plain,
    ! [X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssItem(X1)
      | X0 = X1
      | neq(X0,X1) ),
    inference(cnf_transformation,[],[f232]) ).

fof(f305,plain,
    ! [X2,X3,X0,X1] :
      ( ~ ssList(X0)
      | ~ ssItem(X1)
      | app(X2,cons(X1,X3)) != X0
      | ~ ssList(X3)
      | ~ ssList(X2)
      | memberP(X0,X1) ),
    inference(cnf_transformation,[],[f236]) ).

fof(f306,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ~ singletonP(X0)
      | cons(sK10(X0),nil) = X0 ),
    inference(cnf_transformation,[],[f239]) ).

fof(f307,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ~ singletonP(X0)
      | ssItem(sK10(X0)) ),
    inference(cnf_transformation,[],[f239]) ).

fof(f318,plain,
    ! [X2,X3,X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | app(app(X2,X1),X3) != X0
      | ~ ssList(X3)
      | ~ ssList(X2)
      | segmentP(X0,X1) ),
    inference(cnf_transformation,[],[f248]) ).

fof(f387,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | X0 = X1
      | neq(X0,X1) ),
    inference(cnf_transformation,[],[f273]) ).

fof(f388,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssItem(X1)
      | ssList(cons(X1,X0)) ),
    inference(cnf_transformation,[],[f119]) ).

fof(f389,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f390,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssItem(X1)
      | cons(X1,X0) != X0 ),
    inference(cnf_transformation,[],[f120]) ).

fof(f391,plain,
    ! [X2,X3,X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ~ ssItem(X2)
      | ~ ssItem(X3)
      | cons(X2,X0) != cons(X3,X1)
      | X0 = X1 ),
    inference(cnf_transformation,[],[f122]) ).

fof(f392,plain,
    ! [X2,X3,X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ~ ssItem(X2)
      | ~ ssItem(X3)
      | cons(X2,X0) != cons(X3,X1)
      | X2 = X3 ),
    inference(cnf_transformation,[],[f122]) ).

fof(f401,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ssList(app(X0,X1)) ),
    inference(cnf_transformation,[],[f132]) ).

fof(f403,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(nil,X0) = X0 ),
    inference(cnf_transformation,[],[f134]) ).

fof(f414,plain,
    ! [X2,X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssList(X1)
      | ~ ssList(X2)
      | ~ memberP(X2,X0)
      | memberP(app(X1,X2),X0) ),
    inference(cnf_transformation,[],[f278]) ).

fof(f415,plain,
    ! [X2,X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssList(X1)
      | ~ ssList(X2)
      | ~ memberP(X1,X0)
      | memberP(app(X1,X2),X0) ),
    inference(cnf_transformation,[],[f278]) ).

fof(f416,plain,
    ! [X2,X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssItem(X1)
      | ~ ssList(X2)
      | ~ memberP(cons(X1,X2),X0)
      | memberP(X2,X0)
      | X0 = X1 ),
    inference(cnf_transformation,[],[f280]) ).

fof(f419,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ~ memberP(nil,X0) ),
    inference(cnf_transformation,[],[f148]) ).

fof(f439,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ~ segmentP(X1,X0)
      | ~ segmentP(X0,X1)
      | X0 = X1 ),
    inference(cnf_transformation,[],[f171]) ).

fof(f442,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | segmentP(X0,nil) ),
    inference(cnf_transformation,[],[f175]) ).

fof(f443,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ~ segmentP(nil,X0)
      | nil = X0 ),
    inference(cnf_transformation,[],[f285]) ).

fof(f444,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil != X0
      | segmentP(nil,X0) ),
    inference(cnf_transformation,[],[f285]) ).

fof(f469,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | hd(X0) = sK51(X0) ),
    inference(cnf_transformation,[],[f290]) ).

fof(f470,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ssItem(sK51(X0)) ),
    inference(cnf_transformation,[],[f290]) ).

fof(f471,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | tl(X0) = sK52(X0) ),
    inference(cnf_transformation,[],[f291]) ).

fof(f472,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | ssList(sK52(X0)) ),
    inference(cnf_transformation,[],[f291]) ).

fof(f474,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | nil = X0
      | cons(hd(X0),tl(X0)) = X0 ),
    inference(cnf_transformation,[],[f193]) ).

fof(f475,plain,
    ! [X2,X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ~ ssList(X2)
      | app(X2,X1) != app(X0,X1)
      | X0 = X2 ),
    inference(cnf_transformation,[],[f195]) ).

fof(f476,plain,
    ! [X2,X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ~ ssList(X2)
      | app(X1,X2) != app(X1,X0)
      | X0 = X2 ),
    inference(cnf_transformation,[],[f197]) ).

fof(f479,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | nil != app(X0,X1)
      | nil = X0 ),
    inference(cnf_transformation,[],[f293]) ).

fof(f480,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | nil != app(X0,X1)
      | nil = X1 ),
    inference(cnf_transformation,[],[f293]) ).

fof(f482,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(X0,nil) = X0 ),
    inference(cnf_transformation,[],[f201]) ).

fof(f496,plain,
    ssList(sK53),
    inference(cnf_transformation,[],[f296]) ).

fof(f497,plain,
    ssList(sK54),
    inference(cnf_transformation,[],[f296]) ).

fof(f500,plain,
    ( ~ neq(sK56,nil)
    | singletonP(sK55) ),
    inference(cnf_transformation,[],[f296]) ).

fof(f501,plain,
    ssItem(sK57),
    inference(cnf_transformation,[],[f296]) ).

fof(f502,plain,
    ssItem(sK58),
    inference(cnf_transformation,[],[f296]) ).

fof(f503,plain,
    ssList(sK59),
    inference(cnf_transformation,[],[f296]) ).

fof(f504,plain,
    ssList(sK60),
    inference(cnf_transformation,[],[f296]) ).

fof(f505,plain,
    ~ neq(sK57,sK58),
    inference(cnf_transformation,[],[f296]) ).

fof(f506,plain,
    sK53 = app(app(app(sK59,cons(sK57,nil)),cons(sK58,nil)),sK60),
    inference(cnf_transformation,[],[f296]) ).

fof(f507,plain,
    segmentP(sK56,sK55),
    inference(cnf_transformation,[],[f296]) ).

fof(f508,plain,
    sK53 = sK55,
    inference(cnf_transformation,[],[f296]) ).

fof(f509,plain,
    sK54 = sK56,
    inference(cnf_transformation,[],[f296]) ).

fof(f510,plain,
    sK55 = app(app(app(sK59,cons(sK57,nil)),cons(sK58,nil)),sK60),
    inference(definition_unfolding,[],[f506,f508]) ).

fof(f511,plain,
    ssList(sK56),
    inference(definition_unfolding,[],[f497,f509]) ).

fof(f512,plain,
    ssList(sK55),
    inference(definition_unfolding,[],[f496,f508]) ).

fof(f514,plain,
    ! [X2,X3,X1] :
      ( ~ ssList(app(X2,cons(X1,X3)))
      | ~ ssItem(X1)
      | ~ ssList(X3)
      | ~ ssList(X2)
      | memberP(app(X2,cons(X1,X3)),X1) ),
    inference(equality_resolution,[],[f305]) ).

fof(f518,plain,
    ! [X2,X3,X1] :
      ( ~ ssList(app(app(X2,X1),X3))
      | ~ ssList(X1)
      | ~ ssList(X3)
      | ~ ssList(X2)
      | segmentP(app(app(X2,X1),X3),X1) ),
    inference(equality_resolution,[],[f318]) ).

fof(f532,plain,
    ( ~ ssList(nil)
    | segmentP(nil,nil) ),
    inference(equality_resolution,[],[f444]) ).

tcf(c_49,plain,
    ! [X0: $i,X1: $i] :
      ( neq(X0,X1)
      | ( X0 = X1 )
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f298]) ).

tcf(c_54,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( memberP(app(X0,cons(X1,X2)),X1)
      | ~ ssList(X2)
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | ~ ssList(app(X0,cons(X1,X2))) ),
    inference(cnf_transformation,[],[f514]) ).

tcf(c_59,plain,
    ! [X0: $i] :
      ( ssItem(sK10(X0))
      | ~ singletonP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f307]) ).

tcf(c_60,plain,
    ! [X0: $i] :
      ( ( cons(sK10(X0),nil) = X0 )
      | ~ singletonP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f306]) ).

tcf(c_67,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( segmentP(app(app(X0,X1),X2),X1)
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ~ ssList(app(app(X0,X1),X2)) ),
    inference(cnf_transformation,[],[f518]) ).

tcf(c_138,plain,
    ! [X0: $i,X1: $i] :
      ( neq(X0,X1)
      | ( X0 = X1 )
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f387]) ).

tcf(c_140,plain,
    ! [X0: $i,X1: $i] :
      ( ssList(cons(X0,X1))
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f388]) ).

tcf(c_141,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f389]) ).

tcf(c_142,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ssList(X1)
      | ~ ssItem(X0)
      | ( cons(X0,X1) != X1 ) ),
    inference(cnf_transformation,[],[f390]) ).

tcf(c_143,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ( X0 = X2 )
      | ~ ssList(X3)
      | ~ ssList(X1)
      | ~ ssItem(X2)
      | ~ ssItem(X0)
      | ( cons(X0,X1) != cons(X2,X3) ) ),
    inference(cnf_transformation,[],[f392]) ).

tcf(c_144,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ( X1 = X3 )
      | ~ ssList(X3)
      | ~ ssList(X1)
      | ~ ssItem(X2)
      | ~ ssItem(X0)
      | ( cons(X0,X1) != cons(X2,X3) ) ),
    inference(cnf_transformation,[],[f391]) ).

tcf(c_153,plain,
    ! [X0: $i,X1: $i] :
      ( ssList(app(X0,X1))
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f401]) ).

tcf(c_155,plain,
    ! [X0: $i] :
      ( ( app(nil,X0) = X0 )
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f403]) ).

tcf(c_165,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( memberP(app(X0,X2),X1)
      | ~ ssList(X2)
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | ~ memberP(X0,X1) ),
    inference(cnf_transformation,[],[f415]) ).

tcf(c_166,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( memberP(app(X2,X0),X1)
      | ~ ssList(X2)
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | ~ memberP(X0,X1) ),
    inference(cnf_transformation,[],[f414]) ).

tcf(c_170,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( memberP(X1,X2)
      | ( X0 = X2 )
      | ~ ssList(X1)
      | ~ ssItem(X2)
      | ~ ssItem(X0)
      | ~ memberP(cons(X0,X1),X2) ),
    inference(cnf_transformation,[],[f416]) ).

tcf(c_171,plain,
    ! [X0: $i] :
      ( ~ ssItem(X0)
      | ~ memberP(nil,X0) ),
    inference(cnf_transformation,[],[f419]) ).

tcf(c_191,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ~ segmentP(X1,X0)
      | ~ segmentP(X0,X1) ),
    inference(cnf_transformation,[],[f439]) ).

tcf(c_194,plain,
    ! [X0: $i] :
      ( segmentP(X0,nil)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f442]) ).

tcf(c_195,plain,
    ( segmentP(nil,nil)
    | ~ ssList(nil) ),
    inference(cnf_transformation,[],[f532]) ).

tcf(c_196,plain,
    ! [X0: $i] :
      ( ( X0 = nil )
      | ~ ssList(X0)
      | ~ segmentP(nil,X0) ),
    inference(cnf_transformation,[],[f443]) ).

tcf(c_219,plain,
    ! [X0: $i] :
      ( ssItem(sK51(X0))
      | ( X0 = nil )
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f470]) ).

tcf(c_220,plain,
    ! [X0: $i] :
      ( ( X0 = nil )
      | ( hd(X0) = sK51(X0) )
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f469]) ).

tcf(c_221,plain,
    ! [X0: $i] :
      ( ssList(sK52(X0))
      | ( X0 = nil )
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f472]) ).

tcf(c_222,plain,
    ! [X0: $i] :
      ( ( X0 = nil )
      | ( tl(X0) = sK52(X0) )
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f471]) ).

tcf(c_224,plain,
    ! [X0: $i] :
      ( ( X0 = nil )
      | ( cons(hd(X0),tl(X0)) = X0 )
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f474]) ).

tcf(c_225,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( X0 = X2 )
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ( app(X0,X1) != app(X2,X1) ) ),
    inference(cnf_transformation,[],[f475]) ).

tcf(c_226,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( X1 = X2 )
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ( app(X0,X1) != app(X0,X2) ) ),
    inference(cnf_transformation,[],[f476]) ).

tcf(c_230,plain,
    ! [X0: $i,X1: $i] :
      ( ( X1 = nil )
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ( app(X0,X1) != nil ) ),
    inference(cnf_transformation,[],[f480]) ).

tcf(c_231,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = nil )
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ( app(X0,X1) != nil ) ),
    inference(cnf_transformation,[],[f479]) ).

tcf(c_232,plain,
    ! [X0: $i] :
      ( ( app(X0,nil) = X0 )
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f482]) ).

tcf(c_246,negated_conjecture,
    segmentP(sK56,sK55),
    inference(cnf_transformation,[],[f507]) ).

tcf(c_247,negated_conjecture,
    app(app(app(sK59,cons(sK57,nil)),cons(sK58,nil)),sK60) = sK55,
    inference(cnf_transformation,[],[f510]) ).

tcf(c_248,negated_conjecture,
    ~ neq(sK57,sK58),
    inference(cnf_transformation,[],[f505]) ).

tcf(c_249,negated_conjecture,
    ssList(sK60),
    inference(cnf_transformation,[],[f504]) ).

tcf(c_250,negated_conjecture,
    ssList(sK59),
    inference(cnf_transformation,[],[f503]) ).

tcf(c_251,negated_conjecture,
    ssItem(sK58),
    inference(cnf_transformation,[],[f502]) ).

tcf(c_252,negated_conjecture,
    ssItem(sK57),
    inference(cnf_transformation,[],[f501]) ).

tcf(c_253,negated_conjecture,
    ( singletonP(sK55)
    | ~ neq(sK56,nil) ),
    inference(cnf_transformation,[],[f500]) ).

tcf(c_256,negated_conjecture,
    ssList(sK56),
    inference(cnf_transformation,[],[f511]) ).

tcf(c_257,negated_conjecture,
    ssList(sK55),
    inference(cnf_transformation,[],[f512]) ).

tcf(c_307,plain,
    ( ( nil = nil )
    | ~ ssList(nil)
    | ~ segmentP(nil,nil) ),
    inference(instantiation,[status(thm)],[c_196]) ).

tcf(c_3263,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ~ ssItem(X1)
      | ~ ssItem(X0)
      | ( X1 != sK58 )
      | ( X0 != sK57 ) ),
    inference(resolution_lifted,[status(thm)],[c_49,c_248]) ).

tcf(c_3264,plain,
    ( ( sK57 = sK58 )
    | ~ ssItem(sK58)
    | ~ ssItem(sK57) ),
    inference(unflattening,[status(thm)],[c_3263]) ).

tcf(c_3265,plain,
    sK57 = sK58,
    inference(global_subsumption_just,[status(thm)],[c_3264,c_252,c_251,c_3264]) ).

tcf(c_3270,plain,
    ! [X0: $i,X1: $i] :
      ( singletonP(sK55)
      | ( X0 = X1 )
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ( X1 != nil )
      | ( X0 != sK56 ) ),
    inference(resolution_lifted,[status(thm)],[c_138,c_253]) ).

tcf(c_3271,plain,
    ( singletonP(sK55)
    | ( sK56 = nil )
    | ~ ssList(sK56)
    | ~ ssList(nil) ),
    inference(unflattening,[status(thm)],[c_3270]) ).

tcf(c_3272,plain,
    ( singletonP(sK55)
    | ( sK56 = nil ) ),
    inference(global_subsumption_just,[status(thm)],[c_3271,c_256,c_141,c_3271]) ).

tcf(c_6655,plain,
    app(app(app(sK59,cons(sK57,nil)),cons(sK57,nil)),sK60) = sK55,
    inference(light_normalisation,[status(thm)],[c_247,c_3265]) ).

tcf(c_13066,definition,
    iPr_def_10 = cons(sK57,nil),
    introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).

tcf(c_13067,definition,
    iPr_def_11 = app(sK59,iPr_def_10),
    introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).

tcf(c_13068,definition,
    iPr_def_12 = app(iPr_def_11,iPr_def_10),
    introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).

tcf(c_13069,definition,
    iPr_def_13 = app(iPr_def_12,sK60),
    introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).

tcf(c_13070,plain,
    iPr_def_13 = sK55,
    inference(demodulation,[status(thm)],[c_6655,c_13066,c_13067,c_13068,c_13069]) ).

tcf(c_13071,plain,
    ( singletonP(sK55)
    | ( sK56 = nil ) ),
    inference(demodulation,[status(thm)],[c_3272]) ).

tcf(c_13073,negated_conjecture,
    ssList(sK55),
    inference(demodulation,[status(thm)],[c_257]) ).

tcf(c_13075,negated_conjecture,
    ssItem(sK57),
    inference(demodulation,[status(thm)],[c_252]) ).

tcf(c_13076,negated_conjecture,
    ssList(sK59),
    inference(demodulation,[status(thm)],[c_250]) ).

tcf(c_13077,negated_conjecture,
    ssList(sK60),
    inference(demodulation,[status(thm)],[c_249]) ).

tcf(c_13078,negated_conjecture,
    segmentP(sK56,sK55),
    inference(demodulation,[status(thm)],[c_246]) ).

tcf(c_13079,plain,
    ! [X0: $i] : X0 = X0,
    theory(equality) ).

tcf(c_13081,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( X2 = X0 )
      | ( X2 != X1 )
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_13086,plain,
    ! [X0: $i,X1: $i] :
      ( ssList(X0)
      | ~ ssList(X1)
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_13087,plain,
    ! [X0: $i,X1: $i] :
      ( singletonP(X0)
      | ~ singletonP(X1)
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_13090,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( segmentP(X0,X2)
      | ~ segmentP(X1,X3)
      | ( X2 != X3 )
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_15906,plain,
    ssList(iPr_def_13),
    inference(light_normalisation,[status(thm)],[c_13073,c_13070]) ).

tcf(c_15908,plain,
    ( singletonP(iPr_def_13)
    | ( nil = sK56 ) ),
    inference(light_normalisation,[status(thm)],[c_13071,c_13070]) ).

tcf(c_16037,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(nil)
      | ~ ssItem(sK57)
      | ~ ssList(X0)
      | ~ ssList(app(X0,cons(sK57,nil))) ),
    inference(superposition,[status(thm)],[c_13066,c_54]) ).

tcf(c_16038,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(nil)
      | ~ ssItem(sK57)
      | ~ ssList(X0)
      | ~ ssList(app(X0,iPr_def_10)) ),
    inference(light_normalisation,[status(thm)],[c_16037,c_13066]) ).

tcf(c_16039,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(X0)
      | ~ ssList(app(X0,iPr_def_10)) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_16038,c_141,c_13075]) ).

tcf(c_16356,plain,
    app(sK59,nil) = sK59,
    inference(superposition,[status(thm)],[c_13076,c_232]) ).

tcf(c_16424,plain,
    ( ssList(iPr_def_10)
    | ~ ssList(nil)
    | ~ ssItem(sK57) ),
    inference(superposition,[status(thm)],[c_13066,c_140]) ).

tcf(c_16427,plain,
    ssList(iPr_def_10),
    inference(forward_subsumption_resolution,[status(thm)],[c_16424,c_141,c_13075]) ).

tcf(c_16450,plain,
    app(nil,iPr_def_10) = iPr_def_10,
    inference(superposition,[status(thm)],[c_16427,c_155]) ).

tcf(c_16451,plain,
    ( memberP(iPr_def_10,sK57)
    | ~ ssList(nil)
    | ~ ssList(app(nil,iPr_def_10)) ),
    inference(superposition,[status(thm)],[c_16450,c_16039]) ).

tcf(c_16452,plain,
    ( memberP(iPr_def_10,sK57)
    | ~ ssList(iPr_def_10)
    | ~ ssList(nil) ),
    inference(light_normalisation,[status(thm)],[c_16451,c_16450]) ).

tcf(c_16453,plain,
    memberP(iPr_def_10,sK57),
    inference(forward_subsumption_resolution,[status(thm)],[c_16452,c_16427,c_141]) ).

tcf(c_16584,plain,
    ( ssList(iPr_def_11)
    | ~ ssList(iPr_def_10)
    | ~ ssList(sK59) ),
    inference(superposition,[status(thm)],[c_13067,c_153]) ).

tcf(c_16585,plain,
    ( ssList(iPr_def_12)
    | ~ ssList(iPr_def_11)
    | ~ ssList(iPr_def_10) ),
    inference(superposition,[status(thm)],[c_13068,c_153]) ).

tcf(c_16599,plain,
    ( ssList(iPr_def_12)
    | ~ ssList(iPr_def_11) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_16585,c_16427]) ).

tcf(c_16602,plain,
    ssList(iPr_def_11),
    inference(forward_subsumption_resolution,[status(thm)],[c_16584,c_16427,c_13076]) ).

tcf(c_16603,plain,
    ssList(iPr_def_12),
    inference(backward_subsumption_resolution,[status(thm)],[c_16599,c_16602]) ).

tcf(c_16615,plain,
    app(iPr_def_11,nil) = iPr_def_11,
    inference(superposition,[status(thm)],[c_16602,c_232]) ).

tcf(c_17423,plain,
    ! [X0: $i] :
      ( singletonP(X0)
      | ~ singletonP(sK55)
      | ( X0 != sK55 ) ),
    inference(instantiation,[status(thm)],[c_13087]) ).

tcf(c_17601,plain,
    ( ( nil = sK56 )
    | ( cons(sK10(iPr_def_13),nil) = iPr_def_13 )
    | ~ ssList(iPr_def_13) ),
    inference(superposition,[status(thm)],[c_15908,c_60]) ).

tcf(c_17602,plain,
    ( ( nil = sK56 )
    | ( cons(sK10(iPr_def_13),nil) = iPr_def_13 ) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_17601,c_15906]) ).

tcf(c_17611,plain,
    ( ~ ssList(nil)
    | ~ ssItem(sK57)
    | ( nil != iPr_def_10 ) ),
    inference(superposition,[status(thm)],[c_13066,c_142]) ).

tcf(c_17612,plain,
    nil != iPr_def_10,
    inference(forward_subsumption_resolution,[status(thm)],[c_17611,c_141,c_13075]) ).

tcf(c_17876,plain,
    ! [X0: $i,X1: $i] :
      ( memberP(app(X1,X0),sK57)
      | ~ ssItem(sK57)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ~ memberP(X0,sK57) ),
    inference(instantiation,[status(thm)],[c_166]) ).

tcf(c_20843,plain,
    ( ( nil = iPr_def_10 )
    | ~ ssList(iPr_def_11)
    | ~ ssList(iPr_def_10)
    | ( nil != iPr_def_12 ) ),
    inference(superposition,[status(thm)],[c_13068,c_230]) ).

tcf(c_20876,plain,
    nil != iPr_def_12,
    inference(forward_subsumption_resolution,[status(thm)],[c_20843,c_17612,c_16602,c_16427]) ).

tcf(c_20890,plain,
    ( ( nil = iPr_def_12 )
    | ~ ssList(iPr_def_12)
    | ~ ssList(sK60)
    | ( nil != iPr_def_13 ) ),
    inference(superposition,[status(thm)],[c_13069,c_231]) ).

tcf(c_20919,plain,
    ( ( nil = iPr_def_12 )
    | ( nil != iPr_def_13 ) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_20890,c_16603,c_13077]) ).

tcf(c_21004,plain,
    ! [X0: $i] :
      ( ( X0 = sK55 )
      | ~ ssList(sK55)
      | ~ ssList(X0)
      | ~ segmentP(sK55,X0)
      | ~ segmentP(X0,sK55) ),
    inference(instantiation,[status(thm)],[c_191]) ).

tcf(c_21011,plain,
    ( ( nil = sK55 )
    | ~ ssList(sK55)
    | ~ ssList(nil)
    | ~ segmentP(sK55,nil)
    | ~ segmentP(nil,sK55) ),
    inference(instantiation,[status(thm)],[c_21004]) ).

tcf(c_21048,plain,
    ( singletonP(iPr_def_13)
    | ~ singletonP(sK55)
    | ( iPr_def_13 != sK55 ) ),
    inference(instantiation,[status(thm)],[c_17423]) ).

tcf(c_29283,plain,
    ! [X0: $i] :
      ( memberP(nil,X0)
      | ( nil = sK56 )
      | ( sK10(iPr_def_13) = X0 )
      | ~ ssList(nil)
      | ~ ssItem(X0)
      | ~ ssItem(sK10(iPr_def_13))
      | ~ memberP(iPr_def_13,X0) ),
    inference(superposition,[status(thm)],[c_17602,c_170]) ).

tcf(c_29309,plain,
    ! [X0: $i] :
      ( memberP(nil,X0)
      | ( nil = sK56 )
      | ( sK10(iPr_def_13) = X0 )
      | ~ ssItem(X0)
      | ~ ssItem(sK10(iPr_def_13))
      | ~ memberP(iPr_def_13,X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_29283,c_141]) ).

tcf(c_29787,plain,
    ! [X0: $i] :
      ( ( X0 = sK59 )
      | ~ ssList(iPr_def_10)
      | ~ ssList(sK59)
      | ~ ssList(X0)
      | ( app(X0,iPr_def_10) != iPr_def_11 ) ),
    inference(superposition,[status(thm)],[c_13067,c_225]) ).

tcf(c_29925,plain,
    ! [X0: $i] :
      ( ( X0 = sK59 )
      | ~ ssList(X0)
      | ( app(X0,iPr_def_10) != iPr_def_11 ) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_29787,c_16427,c_13076]) ).

tcf(c_31021,plain,
    ! [X0: $i] :
      ( ( X0 = nil )
      | ~ ssList(sK59)
      | ~ ssList(nil)
      | ~ ssList(X0)
      | ( app(sK59,X0) != sK59 ) ),
    inference(superposition,[status(thm)],[c_16356,c_226]) ).

tcf(c_31119,plain,
    ! [X0: $i] :
      ( ( X0 = nil )
      | ~ ssList(X0)
      | ( app(sK59,X0) != sK59 ) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_31021,c_13076,c_141]) ).

tcf(c_31765,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_10)
      | ~ ssList(iPr_def_10)
      | ~ ssList(sK59)
      | ~ ssList(X0)
      | ~ ssList(app(app(sK59,iPr_def_10),X0)) ),
    inference(superposition,[status(thm)],[c_13067,c_67]) ).

tcf(c_31927,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_10)
      | ~ ssList(iPr_def_10)
      | ~ ssList(sK59)
      | ~ ssList(X0)
      | ~ ssList(app(iPr_def_11,X0)) ),
    inference(light_normalisation,[status(thm)],[c_31765,c_13067]) ).

tcf(c_31928,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_10)
      | ~ ssList(X0)
      | ~ ssList(app(iPr_def_11,X0)) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_31927,c_16427,c_13076]) ).

tcf(c_36967,plain,
    ( segmentP(iPr_def_11,iPr_def_10)
    | ~ ssList(nil)
    | ~ ssList(app(iPr_def_11,nil)) ),
    inference(superposition,[status(thm)],[c_16615,c_31928]) ).

tcf(c_36973,plain,
    ( segmentP(iPr_def_11,iPr_def_10)
    | ~ ssList(iPr_def_11)
    | ~ ssList(nil) ),
    inference(light_normalisation,[status(thm)],[c_36967,c_16615]) ).

tcf(c_36974,plain,
    segmentP(iPr_def_11,iPr_def_10),
    inference(forward_subsumption_resolution,[status(thm)],[c_36973,c_16602,c_141]) ).

tcf(c_37037,plain,
    ( ( sK59 = iPr_def_11 )
    | ~ ssList(iPr_def_11)
    | ( iPr_def_11 != iPr_def_12 ) ),
    inference(superposition,[status(thm)],[c_13068,c_29925]) ).

tcf(c_37047,plain,
    ( ( sK59 = iPr_def_11 )
    | ( iPr_def_11 != iPr_def_12 ) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_37037,c_16602]) ).

tcf(c_37078,plain,
    ( ( nil = iPr_def_10 )
    | ~ ssList(iPr_def_10)
    | ( sK59 != iPr_def_11 ) ),
    inference(superposition,[status(thm)],[c_13067,c_31119]) ).

tcf(c_37084,plain,
    sK59 != iPr_def_11,
    inference(forward_subsumption_resolution,[status(thm)],[c_37078,c_17612,c_16427]) ).

tcf(c_40330,plain,
    ( segmentP(sK55,nil)
    | ~ ssList(sK55) ),
    inference(instantiation,[status(thm)],[c_194]) ).

tcf(c_52403,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(iPr_def_10)
      | ~ ssItem(sK57)
      | ~ ssList(X0)
      | ~ memberP(iPr_def_10,sK57) ),
    inference(instantiation,[status(thm)],[c_17876]) ).

tcf(c_228953,plain,
    ( ssList(iPr_def_13)
    | ~ ssList(sK55) ),
    inference(resolution,[status(thm)],[c_13086,c_13070]) ).

tcf(c_250575,plain,
    ! [X0: $i] :
      ( singletonP(sK55)
      | ( X0 = sK56 )
      | ( X0 != nil ) ),
    inference(resolution,[status(thm)],[c_13081,c_13071]) ).

tcf(c_250576,plain,
    ( singletonP(sK55)
    | ( nil = sK56 )
    | ( nil != nil ) ),
    inference(instantiation,[status(thm)],[c_250575]) ).

tcf(c_250585,plain,
    ! [X0: $i] :
      ( ( X0 = iPr_def_13 )
      | ( X0 != sK55 ) ),
    inference(resolution,[status(thm)],[c_13081,c_13070]) ).

tcf(c_250586,plain,
    ( ( nil = iPr_def_13 )
    | ( nil != sK55 ) ),
    inference(instantiation,[status(thm)],[c_250585]) ).

tcf(c_275626,plain,
    ! [X0: $i,X1: $i] :
      ( segmentP(X0,X1)
      | ( X1 != sK55 )
      | ( X0 != sK56 ) ),
    inference(resolution,[status(thm)],[c_13090,c_13078]) ).

tcf(c_277902,plain,
    ! [X0: $i] :
      ( segmentP(X0,sK55)
      | ( X0 != sK56 ) ),
    inference(resolution,[status(thm)],[c_275626,c_13079]) ).

tcf(c_277903,plain,
    ( segmentP(nil,sK55)
    | ( nil != sK56 ) ),
    inference(instantiation,[status(thm)],[c_277902]) ).

tcf(c_310937,plain,
    ( ~ ssList(nil)
    | ~ ssItem(sK57)
    | ( nil != iPr_def_10 ) ),
    inference(superposition,[status(thm)],[c_13066,c_142]) ).

tcf(c_310938,plain,
    nil != iPr_def_10,
    inference(forward_subsumption_resolution,[status(thm)],[c_310937,c_141,c_13075]) ).

tcf(c_357086,plain,
    ( ssItem(sK10(iPr_def_13))
    | ~ singletonP(iPr_def_13)
    | ~ ssList(iPr_def_13) ),
    inference(instantiation,[status(thm)],[c_59]) ).

tcf(c_362586,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ssList(app(app(X0,X1),X2))
      | ~ ssList(X2)
      | ~ ssList(app(X0,X1)) ),
    inference(instantiation,[status(thm)],[c_153]) ).

tcf(c_428081,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( segmentP(app(app(X0,X1),X2),X1)
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(global_subsumption_just,[status(thm)],[c_67,c_153,c_67,c_362586]) ).

tcf(c_428092,plain,
    ssList(iPr_def_13),
    inference(light_normalisation,[status(thm)],[c_13073,c_13070]) ).

tcf(c_428689,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(nil)
      | ~ ssItem(sK57)
      | ~ ssList(X0)
      | ~ ssList(app(X0,cons(sK57,nil))) ),
    inference(superposition,[status(thm)],[c_13066,c_54]) ).

tcf(c_428696,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(nil)
      | ~ ssItem(sK57)
      | ~ ssList(X0)
      | ~ ssList(app(X0,iPr_def_10)) ),
    inference(light_normalisation,[status(thm)],[c_428689,c_13066]) ).

tcf(c_428697,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(X0)
      | ~ ssList(app(X0,iPr_def_10)) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_428696,c_141,c_13075]) ).

tcf(c_428923,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_10)
      | ~ ssList(iPr_def_10)
      | ~ ssList(sK59)
      | ~ ssList(X0) ),
    inference(superposition,[status(thm)],[c_13067,c_428081]) ).

tcf(c_428924,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_10)
      | ~ ssList(iPr_def_10)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_428923,c_13076]) ).

tcf(c_429152,plain,
    singletonP(sK55),
    inference(global_subsumption_just,[status(thm)],[c_13071,c_257,c_141,c_195,c_307,c_20876,c_20919,c_21011,c_40330,c_250576,c_250586,c_277903]) ).

tcf(c_429154,plain,
    singletonP(iPr_def_13),
    inference(light_normalisation,[status(thm)],[c_429152,c_13070]) ).

tcf(c_429155,plain,
    ( ( cons(sK10(iPr_def_13),nil) = iPr_def_13 )
    | ~ ssList(iPr_def_13) ),
    inference(superposition,[status(thm)],[c_429154,c_60]) ).

tcf(c_429156,plain,
    cons(sK10(iPr_def_13),nil) = iPr_def_13,
    inference(forward_subsumption_resolution,[status(thm)],[c_429155,c_428092]) ).

tcf(c_429443,plain,
    ( ssList(iPr_def_10)
    | ~ ssList(nil)
    | ~ ssItem(sK57) ),
    inference(superposition,[status(thm)],[c_13066,c_140]) ).

tcf(c_429449,plain,
    ssList(iPr_def_10),
    inference(forward_subsumption_resolution,[status(thm)],[c_429443,c_141,c_13075]) ).

tcf(c_429506,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = sK57 )
      | ~ ssList(nil)
      | ~ ssItem(sK57)
      | ~ ssList(X1)
      | ~ ssItem(X0)
      | ( cons(X0,X1) != iPr_def_10 ) ),
    inference(superposition,[status(thm)],[c_13066,c_143]) ).

tcf(c_429509,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = sK57 )
      | ~ ssList(X1)
      | ~ ssItem(X0)
      | ( cons(X0,X1) != iPr_def_10 ) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_429506,c_141,c_13075]) ).

tcf(c_429526,plain,
    ! [X0: $i,X1: $i] :
      ( ( X1 = nil )
      | ~ ssList(nil)
      | ~ ssItem(sK57)
      | ~ ssList(X1)
      | ~ ssItem(X0)
      | ( cons(X0,X1) != iPr_def_10 ) ),
    inference(superposition,[status(thm)],[c_13066,c_144]) ).

tcf(c_429529,plain,
    ! [X0: $i,X1: $i] :
      ( ( X1 = nil )
      | ~ ssList(X1)
      | ~ ssItem(X0)
      | ( cons(X0,X1) != iPr_def_10 ) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_429526,c_141,c_13075]) ).

tcf(c_430252,plain,
    ( ssList(iPr_def_11)
    | ~ ssList(iPr_def_10)
    | ~ ssList(sK59) ),
    inference(superposition,[status(thm)],[c_13067,c_153]) ).

tcf(c_430253,plain,
    ( ssList(iPr_def_12)
    | ~ ssList(iPr_def_11)
    | ~ ssList(iPr_def_10) ),
    inference(superposition,[status(thm)],[c_13068,c_153]) ).

tcf(c_430265,plain,
    ( ssList(iPr_def_12)
    | ~ ssList(iPr_def_11) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_430253,c_429449]) ).

tcf(c_430268,plain,
    ssList(iPr_def_11),
    inference(forward_subsumption_resolution,[status(thm)],[c_430252,c_429449,c_13076]) ).

tcf(c_430269,plain,
    ssList(iPr_def_12),
    inference(backward_subsumption_resolution,[status(thm)],[c_430265,c_430268]) ).

tcf(c_430558,plain,
    app(nil,iPr_def_11) = iPr_def_11,
    inference(superposition,[status(thm)],[c_430268,c_155]) ).

tcf(c_430559,plain,
    app(nil,iPr_def_12) = iPr_def_12,
    inference(superposition,[status(thm)],[c_430269,c_155]) ).

tcf(c_430844,plain,
    ! [X0: $i] :
      ( memberP(iPr_def_13,X0)
      | ~ ssList(iPr_def_12)
      | ~ ssList(sK60)
      | ~ ssItem(X0)
      | ~ memberP(iPr_def_12,X0) ),
    inference(superposition,[status(thm)],[c_13069,c_165]) ).

tcf(c_430849,plain,
    ! [X0: $i] :
      ( memberP(iPr_def_13,X0)
      | ~ ssItem(X0)
      | ~ memberP(iPr_def_12,X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_430844,c_430269,c_13077]) ).

tcf(c_430912,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_11)
      | ~ ssList(iPr_def_11)
      | ~ ssList(nil)
      | ~ ssList(X0) ),
    inference(superposition,[status(thm)],[c_430558,c_428081]) ).

tcf(c_430915,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_11)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_430912,c_430268,c_141]) ).

tcf(c_431024,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_12,X0),iPr_def_12)
      | ~ ssList(iPr_def_12)
      | ~ ssList(nil)
      | ~ ssList(X0) ),
    inference(superposition,[status(thm)],[c_430559,c_428081]) ).

tcf(c_431027,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_12,X0),iPr_def_12)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_431024,c_430269,c_141]) ).

tcf(c_431053,plain,
    ! [X0: $i] :
      ( memberP(nil,X0)
      | ( sK10(iPr_def_13) = X0 )
      | ~ ssList(nil)
      | ~ ssItem(X0)
      | ~ ssItem(sK10(iPr_def_13))
      | ~ memberP(iPr_def_13,X0) ),
    inference(superposition,[status(thm)],[c_429156,c_170]) ).

tcf(c_431059,plain,
    ! [X0: $i] :
      ( memberP(nil,X0)
      | ( sK10(iPr_def_13) = X0 )
      | ~ ssItem(X0)
      | ~ ssItem(sK10(iPr_def_13))
      | ~ memberP(iPr_def_13,X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_431053,c_141]) ).

tcf(c_432021,plain,
    ( ( nil = iPr_def_10 )
    | ( hd(iPr_def_10) = sK51(iPr_def_10) ) ),
    inference(superposition,[status(thm)],[c_429449,c_220]) ).

tcf(c_432022,plain,
    hd(iPr_def_10) = sK51(iPr_def_10),
    inference(forward_subsumption_resolution,[status(thm)],[c_432021,c_310938]) ).

tcf(c_432210,plain,
    ( ssItem(hd(iPr_def_10))
    | ( nil = iPr_def_10 )
    | ~ ssList(iPr_def_10) ),
    inference(superposition,[status(thm)],[c_432022,c_219]) ).

tcf(c_432211,plain,
    ssItem(hd(iPr_def_10)),
    inference(forward_subsumption_resolution,[status(thm)],[c_432210,c_310938,c_429449]) ).

tcf(c_432314,plain,
    ( ( nil = iPr_def_10 )
    | ( tl(iPr_def_10) = sK52(iPr_def_10) ) ),
    inference(superposition,[status(thm)],[c_429449,c_222]) ).

tcf(c_432315,plain,
    tl(iPr_def_10) = sK52(iPr_def_10),
    inference(forward_subsumption_resolution,[status(thm)],[c_432314,c_310938]) ).

tcf(c_432528,plain,
    ( ssList(tl(iPr_def_10))
    | ( nil = iPr_def_10 )
    | ~ ssList(iPr_def_10) ),
    inference(superposition,[status(thm)],[c_432315,c_221]) ).

tcf(c_432529,plain,
    ssList(tl(iPr_def_10)),
    inference(forward_subsumption_resolution,[status(thm)],[c_432528,c_310938,c_429449]) ).

tcf(c_432599,plain,
    ( ( nil = iPr_def_10 )
    | ( cons(hd(iPr_def_10),tl(iPr_def_10)) = iPr_def_10 ) ),
    inference(superposition,[status(thm)],[c_429449,c_224]) ).

tcf(c_432601,plain,
    cons(hd(iPr_def_10),tl(iPr_def_10)) = iPr_def_10,
    inference(forward_subsumption_resolution,[status(thm)],[c_432599,c_310938]) ).

tcf(c_439307,plain,
    ! [X0: $i] :
      ( memberP(app(X0,iPr_def_10),sK57)
      | ~ ssList(X0) ),
    inference(global_subsumption_just,[status(thm)],[c_428697,c_252,c_16427,c_16453,c_52403]) ).

tcf(c_439314,plain,
    ( memberP(iPr_def_12,sK57)
    | ~ ssList(iPr_def_11) ),
    inference(superposition,[status(thm)],[c_13068,c_439307]) ).

tcf(c_439318,plain,
    memberP(iPr_def_12,sK57),
    inference(forward_subsumption_resolution,[status(thm)],[c_439314,c_430268]) ).

tcf(c_440774,plain,
    ( segmentP(iPr_def_12,iPr_def_11)
    | ~ ssList(iPr_def_10) ),
    inference(superposition,[status(thm)],[c_13068,c_430915]) ).

tcf(c_440780,plain,
    segmentP(iPr_def_12,iPr_def_11),
    inference(forward_subsumption_resolution,[status(thm)],[c_440774,c_429449]) ).

tcf(c_440824,plain,
    ( ( iPr_def_11 = iPr_def_12 )
    | ~ ssList(iPr_def_12)
    | ~ ssList(iPr_def_11)
    | ~ segmentP(iPr_def_11,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_440780,c_191]) ).

tcf(c_440827,plain,
    ( ( iPr_def_11 = iPr_def_12 )
    | ~ segmentP(iPr_def_11,iPr_def_12) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_440824,c_430269,c_430268]) ).

tcf(c_441422,plain,
    ! [X0: $i] :
      ( segmentP(app(iPr_def_11,X0),iPr_def_10)
      | ~ ssList(X0) ),
    inference(global_subsumption_just,[status(thm)],[c_428924,c_16427,c_428924]) ).

tcf(c_441429,plain,
    ( segmentP(iPr_def_12,iPr_def_10)
    | ~ ssList(iPr_def_10) ),
    inference(superposition,[status(thm)],[c_13068,c_441422]) ).

tcf(c_441435,plain,
    segmentP(iPr_def_12,iPr_def_10),
    inference(forward_subsumption_resolution,[status(thm)],[c_441429,c_429449]) ).

tcf(c_441470,plain,
    ( ( iPr_def_10 = iPr_def_12 )
    | ~ ssList(iPr_def_12)
    | ~ ssList(iPr_def_10)
    | ~ segmentP(iPr_def_10,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_441435,c_191]) ).

tcf(c_441473,plain,
    ( ( iPr_def_10 = iPr_def_12 )
    | ~ segmentP(iPr_def_10,iPr_def_12) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_441470,c_430269,c_429449]) ).

tcf(c_441521,plain,
    ( segmentP(iPr_def_13,iPr_def_12)
    | ~ ssList(sK60) ),
    inference(superposition,[status(thm)],[c_13069,c_431027]) ).

tcf(c_441527,plain,
    segmentP(iPr_def_13,iPr_def_12),
    inference(forward_subsumption_resolution,[status(thm)],[c_441521,c_13077]) ).

tcf(c_445324,plain,
    ( ( hd(iPr_def_10) = sK57 )
    | ~ ssList(tl(iPr_def_10))
    | ~ ssItem(hd(iPr_def_10)) ),
    inference(superposition,[status(thm)],[c_432601,c_429509]) ).

tcf(c_445328,plain,
    hd(iPr_def_10) = sK57,
    inference(forward_subsumption_resolution,[status(thm)],[c_445324,c_432529,c_432211]) ).

tcf(c_445337,plain,
    cons(sK57,tl(iPr_def_10)) = iPr_def_10,
    inference(demodulation,[status(thm)],[c_432601,c_445328]) ).

tcf(c_445436,plain,
    ( ( tl(iPr_def_10) = nil )
    | ~ ssItem(sK57)
    | ~ ssList(tl(iPr_def_10)) ),
    inference(superposition,[status(thm)],[c_445337,c_429529]) ).

tcf(c_445461,plain,
    tl(iPr_def_10) = nil,
    inference(forward_subsumption_resolution,[status(thm)],[c_445436,c_13075,c_432529]) ).

tcf(c_445521,plain,
    cons(sK57,nil) = iPr_def_10,
    inference(demodulation,[status(thm)],[c_445337,c_445461]) ).

tcf(c_465173,plain,
    ~ segmentP(iPr_def_11,iPr_def_12),
    inference(global_subsumption_just,[status(thm)],[c_440827,c_37047,c_37084,c_440827]) ).

tcf(c_484817,plain,
    ( memberP(iPr_def_13,sK57)
    | ~ ssItem(sK57) ),
    inference(superposition,[status(thm)],[c_439318,c_430849]) ).

tcf(c_484818,plain,
    memberP(iPr_def_13,sK57),
    inference(forward_subsumption_resolution,[status(thm)],[c_484817,c_13075]) ).

tcf(c_492971,plain,
    ! [X0: $i] :
      ( ~ memberP(iPr_def_13,X0)
      | ~ ssItem(X0)
      | ( sK10(iPr_def_13) = X0 ) ),
    inference(global_subsumption_just,[status(thm)],[c_431059,c_257,c_141,c_195,c_171,c_307,c_13070,c_20876,c_20919,c_21011,c_21048,c_29309,c_40330,c_228953,c_250576,c_250586,c_277903,c_357086]) ).

tcf(c_492972,plain,
    ! [X0: $i] :
      ( ( sK10(iPr_def_13) = X0 )
      | ~ ssItem(X0)
      | ~ memberP(iPr_def_13,X0) ),
    inference(renaming,[status(thm)],[c_492971]) ).

tcf(c_492981,plain,
    ( ( sK10(iPr_def_13) = sK57 )
    | ~ ssItem(sK57) ),
    inference(superposition,[status(thm)],[c_484818,c_492972]) ).

tcf(c_492982,plain,
    sK10(iPr_def_13) = sK57,
    inference(forward_subsumption_resolution,[status(thm)],[c_492981,c_13075]) ).

tcf(c_493000,plain,
    cons(sK57,nil) = iPr_def_13,
    inference(demodulation,[status(thm)],[c_429156,c_492982]) ).

tcf(c_493001,plain,
    iPr_def_10 = iPr_def_13,
    inference(light_normalisation,[status(thm)],[c_493000,c_445521]) ).

tcf(c_493034,plain,
    segmentP(iPr_def_10,iPr_def_12),
    inference(demodulation,[status(thm)],[c_441527,c_493001]) ).

tcf(c_493062,plain,
    iPr_def_10 = iPr_def_12,
    inference(backward_subsumption_resolution,[status(thm)],[c_441473,c_493034]) ).

tcf(c_493078,plain,
    ~ segmentP(iPr_def_11,iPr_def_10),
    inference(demodulation,[status(thm)],[c_465173,c_493062]) ).

tcf(c_493262,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_493078,c_36974]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWC170+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04  % Command  : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/15.60  % Computer : n002.cluster.edu
% 0.10/15.60  % Model    : x86_64 x86_64
% 0.10/15.60  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/15.60  % Memory   : 8046.5625MB
% 0.10/15.60  % OS       : Linux 6.8.0-71-generic
% 0.10/15.60  % CPULimit : 300
% 0.10/15.60  % WCLimit  : 300
% 0.10/15.60  % DateTime : Thu Sep 24 16:49:51 UTC 2026
% 0.10/15.61  % CPUTime  : 
% 0.10/15.61  Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/15.64  Running first-order theorem proving
% 0.10/15.64  Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/15.65  
% 0.10/15.65  % ======== iProver multi-core TPTP/SMT =========
% 0.10/15.65  
% 0.10/15.65  % Detected problem language: tptp
% 0.10/15.67  % Proving...
% 127.00/45.75  % SZS status Started for theBenchmark.p
% 127.00/45.75  % SZS status Theorem for theBenchmark.p
% 127.00/45.75  
% 127.00/45.75  %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 127.00/45.75  
% 127.00/45.75  % ------  iProver source info
% 127.00/45.75  
% 127.00/45.75  % git: date: 2026-07-19 20:42:38 +0200
% 127.00/45.75  % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 127.00/45.75  % git: non_committed_changes: false
% 127.00/45.75  
% 127.00/45.75  % ------ Parsing...
% 127.00/45.75  % ------ Clausification by vclausify_rel  & Parsing by iProver...% 
% 127.00/45.75  
% 127.00/45.75  % ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe:4:0s pe_e  sup_sim: 3  sf_s  rm: 5 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 5 0s  sf_e  pe_s  pe_e % 
% 127.00/45.75  
% 127.00/45.75  % ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e % 
% 127.00/45.75  
% 127.00/45.75  % ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 127.00/45.75  % ------ Proving...
% 127.00/45.75  % ------ Problem Properties 
% 127.00/45.75  
% 127.00/45.75  % 
% 127.00/45.75  % clauses                               193
% 127.00/45.75  % conjectures                           6
% 127.00/45.75  % EPR                                   58
% 127.00/45.75  % Horn                                  124
% 127.00/45.75  % unary                                 28
% 127.00/45.75  % binary                                41
% 127.00/45.75  % lits                                  632
% 127.00/45.75  % lits eq                               85
% 127.00/45.75  % fd_pure                               0
% 127.00/45.75  % fd_pseudo                             0
% 127.00/45.75  % fd_cond                               21
% 127.00/45.75  % fd_pseudo_cond                        14
% 127.00/45.75  % AC symbols                            0
% 127.00/45.75  
% 127.00/45.75  % ------ Schedule dynamic 5 is on 
% 127.00/45.75  
% 127.00/45.75  % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 127.00/45.75  
% 127.00/45.75  
% 127.00/45.75  % ------ 
% 127.00/45.75  % Current options:
% 127.00/45.75  % ------ 
% 127.00/45.75  
% 127.00/45.75  
% 127.00/45.75  % 
% 127.00/45.75  
% 127.00/45.75  % ------ Proving...
% 127.00/45.75  % Proof_search_loop: time out after: 9080 full_loop iterations
% 127.00/45.75  
% 127.00/45.75  % ------ Input Options"1. --res_lit_sel adaptive --res_lit_sel_side num_symb" Time Limit: 15.
% 127.00/45.75  
% 127.00/45.75  
% 127.00/45.75  % ------ 
% 127.00/45.75  % Current options:
% 127.00/45.75  % ------ 
% 127.00/45.75  
% 127.00/45.75  
% 127.00/45.75  % 
% 127.00/45.75  
% 127.00/45.75  % ------ Proving...
% 127.00/45.75  % Proof_search_loop: time out after: 10340 full_loop iterations
% 127.00/45.75  
% 127.00/45.75  % ------ Option_1: Negative Selections Time Limit: 35.
% 127.00/45.75  
% 127.00/45.75  
% 127.00/45.75  % ------ 
% 127.00/45.75  % Current options:
% 127.00/45.75  % ------ 
% 127.00/45.75  
% 127.00/45.75  
% 127.00/45.75  % 
% 127.00/45.75  
% 127.00/45.75  % ------ Proving...
% 127.00/45.75  % 
% 127.00/45.75  
% 127.00/45.75  % SZS status Theorem for theBenchmark.p
% 127.00/45.75  
% 127.00/45.75  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 127.00/45.76  
% 127.00/45.76  
%------------------------------------------------------------------------------