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Leo-III---1.8.0.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SWC236+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39

% Computer : n020.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 : Sun Sep 27 08:52:53 AM UTC 2026

% Result   : Theorem 61.99s 19.04s
% Output   : Refutation 63.47s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :  105
% Syntax   : Number of formulae    :  259 (  53 unt;   0 typ;   9 def)
%            Number of atoms       : 1397 ( 325 equ;   0 cnn)
%            Maximal formula atoms :   52 (   5 avg)
%            Number of connectives : 3548 ( 255   ~; 211   |; 286   &;2176   @)
%                                         (  26 <=>; 594  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   39 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   36 (  33 usr;  11 con; 0-3 aty)
%            Number of variables   :  642 (   3   ^; 503   !; 127   ?; 642   :)
%                                         (   0  !>;   0  ?*;   0  @-;   9  @+)

% Comments : 
%------------------------------------------------------------------------------
thf(ssList_decl,type,
    ssList: $i > $o ).

thf(nil_decl,type,
    nil: $i ).

thf(ssItem_decl,type,
    ssItem: $i > $o ).

thf(app_decl,type,
    app: $i > $i > $i ).

thf(cons_decl,type,
    cons: $i > $i > $i ).

thf(memberP_decl,type,
    memberP: $i > $i > $o ).

thf(leq_decl,type,
    leq: $i > $i > $o ).

thf(lt_decl,type,
    lt: $i > $i > $o ).

thf(totalorderedP_decl,type,
    totalorderedP: $i > $o ).

thf(strictorderedP_decl,type,
    strictorderedP: $i > $o ).

thf(frontsegP_decl,type,
    frontsegP: $i > $i > $o ).

thf(gt_decl,type,
    gt: $i > $i > $o ).

thf(hd_decl,type,
    hd: $i > $i ).

thf(segmentP_decl,type,
    segmentP: $i > $i > $o ).

thf(cyclefreeP_decl,type,
    cyclefreeP: $i > $o ).

thf(strictorderP_decl,type,
    strictorderP: $i > $o ).

thf(duplicatefreeP_decl,type,
    duplicatefreeP: $i > $o ).

thf(singletonP_decl,type,
    singletonP: $i > $o ).

thf(neq_decl,type,
    neq: $i > $i > $o ).

thf(tl_decl,type,
    tl: $i > $i ).

thf(totalorderP_decl,type,
    totalorderP: $i > $o ).

thf(rearsegP_decl,type,
    rearsegP: $i > $i > $o ).

thf(equalelemsP_decl,type,
    equalelemsP: $i > $o ).

thf(geq_decl,type,
    geq: $i > $i > $o ).

thf(sk1_decl,type,
    sk1: $i ).

thf(sk2_decl,type,
    sk2: $i ).

thf(sk3_decl,type,
    sk3: $i ).

thf(sk4_decl,type,
    sk4: $i ).

thf(sk5_decl,type,
    sk5: $i > $i > $i > $i ).

thf(sk6_decl,type,
    sk6: $i ).

thf(sk7_decl,type,
    sk7: $i ).

thf(sk40_decl,type,
    sk40: $i ).

thf(sk41_decl,type,
    sk41: $i ).

thf(sk1_def,definition,
    ( sk1
    = ( @+[A: $i] :
          ~ ( ( A @ ssList )
           => ! [B: $i] :
                ( ( B @ ssList )
               => ! [C: $i] :
                    ( ( C @ ssList )
                   => ! [D: $i] :
                        ( ( D @ ssList )
                       => ( ( ( nil = C )
                            & ( nil != D ) )
                          | ! [E: $i] :
                              ( ( E @ ssList )
                             => ! [F: $i] :
                                  ( ( F @ ssList )
                                 => ( ? [G: $i] :
                                        ( ? [H: $i] :
                                            ( ? [I: $i] :
                                                ( ? [J: $i] :
                                                    ( ( G @ ( I @ leq ) )
                                                    & ( ( nil @ ( I @ cons ) @ ( J @ app ) )
                                                      = C )
                                                    & ( J @ ssList ) )
                                                & ( I @ ssItem ) )
                                            & ( ( H @ ( nil @ ( G @ cons ) @ app ) )
                                              = F )
                                            & ( H @ ssList ) )
                                        & ( G @ ssItem ) )
                                    | ? [G: $i] :
                                        ( ? [H: $i] :
                                            ( ? [I: $i] :
                                                ( ? [J: $i] :
                                                    ( ( I @ ( G @ leq ) )
                                                    & ( ( J @ ( nil @ ( I @ cons ) @ app ) )
                                                      = C )
                                                    & ( J @ ssList ) )
                                                & ( I @ ssItem ) )
                                            & ( ( nil @ ( G @ cons ) @ ( H @ app ) )
                                              = E )
                                            & ( H @ ssList ) )
                                        & ( G @ ssItem ) )
                                    | ~ ( C @ totalorderedP )
                                    | ( ( F @ ( C @ ( E @ app ) @ app ) )
                                     != D ) ) ) )
                          | ? [E: $i] :
                              ( ? [F: $i] :
                                  ( ? [G: $i] :
                                      ( ! [H: $i] :
                                          ( ( H @ ssItem )
                                         => ( ( H @ ( E @ lt ) )
                                            | ~ ( H @ ( E @ leq ) )
                                            | ~ ( H @ ( G @ memberP ) )
                                            | ~ ( H @ ( F @ memberP ) ) ) )
                                      & ( ( G @ ( nil @ ( E @ cons ) @ ( F @ app ) @ app ) )
                                        = A )
                                      & ( G @ ssList ) )
                                  & ( F @ ssList ) )
                              & ( E @ ssItem ) )
                          | ( nil = A )
                          | ( A != C )
                          | ( B != D ) ) ) ) ) ) ) ) ).

thf(sk2_def,definition,
    ( sk2
    = ( @+[A: $i] :
          ~ ( ( A @ ssList )
           => ! [B: $i] :
                ( ( B @ ssList )
               => ! [C: $i] :
                    ( ( C @ ssList )
                   => ( ( ( nil = B )
                        & ( nil != C ) )
                      | ! [D: $i] :
                          ( ( D @ ssList )
                         => ! [E: $i] :
                              ( ( E @ ssList )
                             => ( ? [F: $i] :
                                    ( ? [G: $i] :
                                        ( ? [H: $i] :
                                            ( ? [I: $i] :
                                                ( ( F @ ( H @ leq ) )
                                                & ( ( nil @ ( H @ cons ) @ ( I @ app ) )
                                                  = B )
                                                & ( I @ ssList ) )
                                            & ( H @ ssItem ) )
                                        & ( ( G @ ( nil @ ( F @ cons ) @ app ) )
                                          = E )
                                        & ( G @ ssList ) )
                                    & ( F @ ssItem ) )
                                | ? [F: $i] :
                                    ( ? [G: $i] :
                                        ( ? [H: $i] :
                                            ( ? [I: $i] :
                                                ( ( H @ ( F @ leq ) )
                                                & ( ( I @ ( nil @ ( H @ cons ) @ app ) )
                                                  = B )
                                                & ( I @ ssList ) )
                                            & ( H @ ssItem ) )
                                        & ( ( nil @ ( F @ cons ) @ ( G @ app ) )
                                          = D )
                                        & ( G @ ssList ) )
                                    & ( F @ ssItem ) )
                                | ~ ( B @ totalorderedP )
                                | ( ( E @ ( B @ ( D @ app ) @ app ) )
                                 != C ) ) ) )
                      | ? [D: $i] :
                          ( ? [E: $i] :
                              ( ? [F: $i] :
                                  ( ! [G: $i] :
                                      ( ( G @ ssItem )
                                     => ( ( G @ ( D @ lt ) )
                                        | ~ ( G @ ( D @ leq ) )
                                        | ~ ( G @ ( F @ memberP ) )
                                        | ~ ( G @ ( E @ memberP ) ) ) )
                                  & ( ( F @ ( nil @ ( D @ cons ) @ ( E @ app ) @ app ) )
                                    = sk1 )
                                  & ( F @ ssList ) )
                              & ( E @ ssList ) )
                          & ( D @ ssItem ) )
                      | ( nil = sk1 )
                      | ( sk1 != B )
                      | ( A != C ) ) ) ) ) ) ) ).

thf(sk3_def,definition,
    ( sk3
    = ( @+[A: $i] :
          ~ ( ( A @ ssList )
           => ! [B: $i] :
                ( ( B @ ssList )
               => ( ( ( nil = A )
                    & ( nil != B ) )
                  | ! [C: $i] :
                      ( ( C @ ssList )
                     => ! [D: $i] :
                          ( ( D @ ssList )
                         => ( ? [E: $i] :
                                ( ? [F: $i] :
                                    ( ? [G: $i] :
                                        ( ? [H: $i] :
                                            ( ( E @ ( G @ leq ) )
                                            & ( ( nil @ ( G @ cons ) @ ( H @ app ) )
                                              = A )
                                            & ( H @ ssList ) )
                                        & ( G @ ssItem ) )
                                    & ( ( F @ ( nil @ ( E @ cons ) @ app ) )
                                      = D )
                                    & ( F @ ssList ) )
                                & ( E @ ssItem ) )
                            | ? [E: $i] :
                                ( ? [F: $i] :
                                    ( ? [G: $i] :
                                        ( ? [H: $i] :
                                            ( ( G @ ( E @ leq ) )
                                            & ( ( H @ ( nil @ ( G @ cons ) @ app ) )
                                              = A )
                                            & ( H @ ssList ) )
                                        & ( G @ ssItem ) )
                                    & ( ( nil @ ( E @ cons ) @ ( F @ app ) )
                                      = C )
                                    & ( F @ ssList ) )
                                & ( E @ ssItem ) )
                            | ~ ( A @ totalorderedP )
                            | ( ( D @ ( A @ ( C @ app ) @ app ) )
                             != B ) ) ) )
                  | ? [C: $i] :
                      ( ? [D: $i] :
                          ( ? [E: $i] :
                              ( ! [F: $i] :
                                  ( ( F @ ssItem )
                                 => ( ( F @ ( C @ lt ) )
                                    | ~ ( F @ ( C @ leq ) )
                                    | ~ ( F @ ( E @ memberP ) )
                                    | ~ ( F @ ( D @ memberP ) ) ) )
                              & ( ( E @ ( nil @ ( C @ cons ) @ ( D @ app ) @ app ) )
                                = sk1 )
                              & ( E @ ssList ) )
                          & ( D @ ssList ) )
                      & ( C @ ssItem ) )
                  | ( nil = sk1 )
                  | ( sk1 != A )
                  | ( sk2 != B ) ) ) ) ) ) ).

thf(sk4_def,definition,
    ( sk4
    = ( @+[A: $i] :
          ~ ( ( A @ ssList )
           => ( ( ( nil = sk3 )
                & ( nil != A ) )
              | ! [B: $i] :
                  ( ( B @ ssList )
                 => ! [C: $i] :
                      ( ( C @ ssList )
                     => ( ? [D: $i] :
                            ( ? [E: $i] :
                                ( ? [F: $i] :
                                    ( ? [G: $i] :
                                        ( ( D @ ( F @ leq ) )
                                        & ( ( nil @ ( F @ cons ) @ ( G @ app ) )
                                          = sk3 )
                                        & ( G @ ssList ) )
                                    & ( F @ ssItem ) )
                                & ( ( E @ ( nil @ ( D @ cons ) @ app ) )
                                  = C )
                                & ( E @ ssList ) )
                            & ( D @ ssItem ) )
                        | ? [D: $i] :
                            ( ? [E: $i] :
                                ( ? [F: $i] :
                                    ( ? [G: $i] :
                                        ( ( F @ ( D @ leq ) )
                                        & ( ( G @ ( nil @ ( F @ cons ) @ app ) )
                                          = sk3 )
                                        & ( G @ ssList ) )
                                    & ( F @ ssItem ) )
                                & ( ( nil @ ( D @ cons ) @ ( E @ app ) )
                                  = B )
                                & ( E @ ssList ) )
                            & ( D @ ssItem ) )
                        | ~ ( sk3 @ totalorderedP )
                        | ( ( C @ ( sk3 @ ( B @ app ) @ app ) )
                         != A ) ) ) )
              | ? [B: $i] :
                  ( ? [C: $i] :
                      ( ? [D: $i] :
                          ( ! [E: $i] :
                              ( ( E @ ssItem )
                             => ( ( E @ ( B @ lt ) )
                                | ~ ( E @ ( B @ leq ) )
                                | ~ ( E @ ( D @ memberP ) )
                                | ~ ( E @ ( C @ memberP ) ) ) )
                          & ( ( D @ ( nil @ ( B @ cons ) @ ( C @ app ) @ app ) )
                            = sk1 )
                          & ( D @ ssList ) )
                      & ( C @ ssList ) )
                  & ( B @ ssItem ) )
              | ( nil = sk1 )
              | ( sk1 != sk3 )
              | ( sk2 != A ) ) ) ) ) ).

thf(sk5_def,definition,
    ( sk5
    = ( ^ [A: $i,B: $i,C: $i] :
        @+[D: $i] :
          ~ ( ( D @ ssItem )
           => ( ( D @ ( C @ lt ) )
              | ~ ( D @ ( C @ leq ) )
              | ~ ( D @ ( A @ memberP ) )
              | ~ ( D @ ( B @ memberP ) ) ) ) ) ) ).

thf(sk6_def,definition,
    ( sk6
    = ( @+[A: $i] :
          ~ ( ( A @ ssList )
           => ! [B: $i] :
                ( ( B @ ssList )
               => ( ? [C: $i] :
                      ( ? [D: $i] :
                          ( ? [E: $i] :
                              ( ? [F: $i] :
                                  ( ( C @ ( E @ leq ) )
                                  & ( ( nil @ ( E @ cons ) @ ( F @ app ) )
                                    = sk3 )
                                  & ( F @ ssList ) )
                              & ( E @ ssItem ) )
                          & ( ( D @ ( nil @ ( C @ cons ) @ app ) )
                            = B )
                          & ( D @ ssList ) )
                      & ( C @ ssItem ) )
                  | ? [C: $i] :
                      ( ? [D: $i] :
                          ( ? [E: $i] :
                              ( ? [F: $i] :
                                  ( ( E @ ( C @ leq ) )
                                  & ( ( F @ ( nil @ ( E @ cons ) @ app ) )
                                    = sk3 )
                                  & ( F @ ssList ) )
                              & ( E @ ssItem ) )
                          & ( ( nil @ ( C @ cons ) @ ( D @ app ) )
                            = A )
                          & ( D @ ssList ) )
                      & ( C @ ssItem ) )
                  | ~ ( sk3 @ totalorderedP )
                  | ( ( B @ ( sk3 @ ( A @ app ) @ app ) )
                   != sk4 ) ) ) ) ) ) ).

thf(sk7_def,definition,
    ( sk7
    = ( @+[A: $i] :
          ~ ( ( A @ ssList )
           => ( ? [B: $i] :
                  ( ? [C: $i] :
                      ( ? [D: $i] :
                          ( ? [E: $i] :
                              ( ( B @ ( D @ leq ) )
                              & ( ( nil @ ( D @ cons ) @ ( E @ app ) )
                                = sk3 )
                              & ( E @ ssList ) )
                          & ( D @ ssItem ) )
                      & ( ( C @ ( nil @ ( B @ cons ) @ app ) )
                        = A )
                      & ( C @ ssList ) )
                  & ( B @ ssItem ) )
              | ? [B: $i] :
                  ( ? [C: $i] :
                      ( ? [D: $i] :
                          ( ? [E: $i] :
                              ( ( D @ ( B @ leq ) )
                              & ( ( E @ ( nil @ ( D @ cons ) @ app ) )
                                = sk3 )
                              & ( E @ ssList ) )
                          & ( D @ ssItem ) )
                      & ( ( nil @ ( B @ cons ) @ ( C @ app ) )
                        = sk6 )
                      & ( C @ ssList ) )
                  & ( B @ ssItem ) )
              | ~ ( sk3 @ totalorderedP )
              | ( ( A @ ( sk3 @ ( sk6 @ app ) @ app ) )
               != sk4 ) ) ) ) ) ).

thf(sk40_def,definition,
    ( sk40
    = ( @+[A: $i] :
          ( ? [B: $i] :
              ( ( A != B )
              & ( B @ ssItem ) )
          & ( A @ ssItem ) ) ) ) ).

thf(sk41_def,definition,
    ( sk41
    = ( @+[A: $i] :
          ( ( sk40 != A )
          & ( A @ ssItem ) ) ) ) ).

thf(75,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ ( nil @ rearsegP ) )
      <=> ( nil = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax52) ).

thf(460,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ( nil = A )
         => ( A @ ( nil @ rearsegP ) ) )
        & ( ( A @ ( nil @ rearsegP ) )
         => ( nil = A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[75]) ).

thf(12,axiom,
    nil @ cyclefreeP,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax60) ).

thf(160,plain,
    nil @ cyclefreeP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(63,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ geq ) )
                  & ( B @ ( A @ geq ) ) )
               => ( C @ ( A @ geq ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax88) ).

thf(423,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ geq ) )
                  & ( B @ ( A @ geq ) ) )
               => ( C @ ( A @ geq ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[63]) ).

thf(77,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ lt ) )
                  & ( B @ ( A @ leq ) ) )
               => ( C @ ( A @ lt ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax91) ).

thf(470,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ lt ) )
                  & ( B @ ( A @ leq ) ) )
               => ( C @ ( A @ lt ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[77]) ).

thf(67,axiom,
    nil @ strictorderP,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax64) ).

thf(432,plain,
    nil @ strictorderP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[67]) ).

thf(6,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ ( nil @ frontsegP ) )
      <=> ( nil = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax46) ).

thf(138,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ( nil = A )
         => ( A @ ( nil @ frontsegP ) ) )
        & ( ( A @ ( nil @ frontsegP ) )
         => ( nil = A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(139,plain,
    ! [A: $i] :
      ( ( ( A @ ( nil @ frontsegP ) )
        | ( nil != A )
        | ~ ( A @ ssList ) )
      & ( ( nil = A )
        | ~ ( A @ ( nil @ frontsegP ) )
        | ~ ( A @ ssList ) ) ),
    inference(cnf,[status(esa)],[138]) ).

thf(141,plain,
    ! [A: $i] :
      ( ( A @ ( nil @ frontsegP ) )
      | ( nil != A )
      | ~ ( A @ ssList ) ),
    inference(cnfConj,[status(thm)],[139]) ).

thf(143,plain,
    ! [A: $i] :
      ( ( A @ ( nil @ frontsegP ) )
      | ~ ( A @ ssList )
      | ( nil != A ) ),
    inference(lifteq,[status(thm)],[141]) ).

thf(144,plain,
    ( ( nil @ ( nil @ frontsegP ) )
    | ~ ( nil @ ssList ) ),
    inference(simp,[status(thm)],[143]) ).

thf(53,axiom,
    nil @ ssList,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax17) ).

thf(364,plain,
    nil @ ssList,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

thf(759,plain,
    ( ( nil @ ( nil @ frontsegP ) )
    | ~ $true ),
    inference(rewrite,[status(thm)],[144,364]) ).

thf(760,plain,
    nil @ ( nil @ frontsegP ),
    inference(simp,[status(thm)],[759]) ).

thf(54,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( ( B @ tl )
                = ( A @ tl ) )
              & ( ( B @ hd )
                = ( A @ hd ) )
              & ( nil != A )
              & ( nil != B ) )
           => ( B = A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax77) ).

thf(365,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( ( B @ tl )
                = ( A @ tl ) )
              & ( ( B @ hd )
                = ( A @ hd ) )
              & ( nil != A )
              & ( nil != B ) )
           => ( B = A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(11,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ ( nil @ segmentP ) )
      <=> ( nil = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax58) ).

thf(153,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ( nil = A )
         => ( A @ ( nil @ segmentP ) ) )
        & ( ( A @ ( nil @ segmentP ) )
         => ( nil = A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(154,plain,
    ! [A: $i] :
      ( ( ( A @ ( nil @ segmentP ) )
        | ( nil != A )
        | ~ ( A @ ssList ) )
      & ( ( nil = A )
        | ~ ( A @ ( nil @ segmentP ) )
        | ~ ( A @ ssList ) ) ),
    inference(cnf,[status(esa)],[153]) ).

thf(156,plain,
    ! [A: $i] :
      ( ( A @ ( nil @ segmentP ) )
      | ( nil != A )
      | ~ ( A @ ssList ) ),
    inference(cnfConj,[status(thm)],[154]) ).

thf(158,plain,
    ! [A: $i] :
      ( ( A @ ( nil @ segmentP ) )
      | ~ ( A @ ssList )
      | ( nil != A ) ),
    inference(lifteq,[status(thm)],[156]) ).

thf(159,plain,
    ( ( nil @ ( nil @ segmentP ) )
    | ~ ( nil @ ssList ) ),
    inference(simp,[status(thm)],[158]) ).

thf(761,plain,
    ( ( nil @ ( nil @ segmentP ) )
    | ~ $true ),
    inference(rewrite,[status(thm)],[159,364]) ).

thf(762,plain,
    nil @ ( nil @ segmentP ),
    inference(simp,[status(thm)],[761]) ).

thf(1,conjecture,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ! [D: $i] :
                  ( ( D @ ssList )
                 => ( ( ( nil = C )
                      & ( nil != D ) )
                    | ! [E: $i] :
                        ( ( E @ ssList )
                       => ! [F: $i] :
                            ( ( F @ ssList )
                           => ( ? [G: $i] :
                                  ( ? [H: $i] :
                                      ( ? [I: $i] :
                                          ( ? [J: $i] :
                                              ( ( G @ ( I @ leq ) )
                                              & ( ( nil @ ( I @ cons ) @ ( J @ app ) )
                                                = C )
                                              & ( J @ ssList ) )
                                          & ( I @ ssItem ) )
                                      & ( ( H @ ( nil @ ( G @ cons ) @ app ) )
                                        = F )
                                      & ( H @ ssList ) )
                                  & ( G @ ssItem ) )
                              | ? [G: $i] :
                                  ( ? [H: $i] :
                                      ( ? [I: $i] :
                                          ( ? [J: $i] :
                                              ( ( I @ ( G @ leq ) )
                                              & ( ( J @ ( nil @ ( I @ cons ) @ app ) )
                                                = C )
                                              & ( J @ ssList ) )
                                          & ( I @ ssItem ) )
                                      & ( ( nil @ ( G @ cons ) @ ( H @ app ) )
                                        = E )
                                      & ( H @ ssList ) )
                                  & ( G @ ssItem ) )
                              | ~ ( C @ totalorderedP )
                              | ( ( F @ ( C @ ( E @ app ) @ app ) )
                               != D ) ) ) )
                    | ? [E: $i] :
                        ( ? [F: $i] :
                            ( ? [G: $i] :
                                ( ! [H: $i] :
                                    ( ( H @ ssItem )
                                   => ( ( H @ ( E @ lt ) )
                                      | ~ ( H @ ( E @ leq ) )
                                      | ~ ( H @ ( G @ memberP ) )
                                      | ~ ( H @ ( F @ memberP ) ) ) )
                                & ( ( G @ ( nil @ ( E @ cons ) @ ( F @ app ) @ app ) )
                                  = A )
                                & ( G @ ssList ) )
                            & ( F @ ssList ) )
                        & ( E @ ssItem ) )
                    | ( nil = A )
                    | ( A != C )
                    | ( B != D ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i] :
        ( ( A @ ssList )
       => ! [B: $i] :
            ( ( B @ ssList )
           => ! [C: $i] :
                ( ( C @ ssList )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ( ( ( nil = C )
                        & ( nil != D ) )
                      | ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ? [G: $i] :
                                    ( ? [H: $i] :
                                        ( ? [I: $i] :
                                            ( ? [J: $i] :
                                                ( ( G @ ( I @ leq ) )
                                                & ( ( nil @ ( I @ cons ) @ ( J @ app ) )
                                                  = C )
                                                & ( J @ ssList ) )
                                            & ( I @ ssItem ) )
                                        & ( ( H @ ( nil @ ( G @ cons ) @ app ) )
                                          = F )
                                        & ( H @ ssList ) )
                                    & ( G @ ssItem ) )
                                | ? [G: $i] :
                                    ( ? [H: $i] :
                                        ( ? [I: $i] :
                                            ( ? [J: $i] :
                                                ( ( I @ ( G @ leq ) )
                                                & ( ( J @ ( nil @ ( I @ cons ) @ app ) )
                                                  = C )
                                                & ( J @ ssList ) )
                                            & ( I @ ssItem ) )
                                        & ( ( nil @ ( G @ cons ) @ ( H @ app ) )
                                          = E )
                                        & ( H @ ssList ) )
                                    & ( G @ ssItem ) )
                                | ~ ( C @ totalorderedP )
                                | ( ( F @ ( C @ ( E @ app ) @ app ) )
                                 != D ) ) ) )
                      | ? [E: $i] :
                          ( ? [F: $i] :
                              ( ? [G: $i] :
                                  ( ! [H: $i] :
                                      ( ( H @ ssItem )
                                     => ( ( H @ ( E @ lt ) )
                                        | ~ ( H @ ( E @ leq ) )
                                        | ~ ( H @ ( G @ memberP ) )
                                        | ~ ( H @ ( F @ memberP ) ) ) )
                                  & ( ( G @ ( nil @ ( E @ cons ) @ ( F @ app ) @ app ) )
                                    = A )
                                  & ( G @ ssList ) )
                              & ( F @ ssList ) )
                          & ( E @ ssItem ) )
                      | ( nil = A )
                      | ( A != C )
                      | ( B != D ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(98,plain,
    ~ ! [A: $i] :
        ( ( A @ ssList )
       => ! [B: $i] :
            ( ( B @ ssList )
           => ! [C: $i] :
                ( ( C @ ssList )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ( ( ( nil = C )
                        & ( nil != D ) )
                      | ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ? [G: $i] :
                                    ( ? [H: $i] :
                                        ( ? [I: $i] :
                                            ( ? [J: $i] :
                                                ( ( G @ ( I @ leq ) )
                                                & ( ( nil @ ( I @ cons ) @ ( J @ app ) )
                                                  = C )
                                                & ( J @ ssList ) )
                                            & ( I @ ssItem ) )
                                        & ( ( H @ ( nil @ ( G @ cons ) @ app ) )
                                          = F )
                                        & ( H @ ssList ) )
                                    & ( G @ ssItem ) )
                                | ? [G: $i] :
                                    ( ? [H: $i] :
                                        ( ? [I: $i] :
                                            ( ? [J: $i] :
                                                ( ( I @ ( G @ leq ) )
                                                & ( ( J @ ( nil @ ( I @ cons ) @ app ) )
                                                  = C )
                                                & ( J @ ssList ) )
                                            & ( I @ ssItem ) )
                                        & ( ( nil @ ( G @ cons ) @ ( H @ app ) )
                                          = E )
                                        & ( H @ ssList ) )
                                    & ( G @ ssItem ) )
                                | ~ ( C @ totalorderedP )
                                | ( ( F @ ( C @ ( E @ app ) @ app ) )
                                 != D ) ) ) )
                      | ? [E: $i] :
                          ( ? [F: $i] :
                              ( ? [G: $i] :
                                  ( ! [H: $i] :
                                      ( ( H @ ssItem )
                                     => ( ( H @ ( E @ lt ) )
                                        | ~ ( H @ ( E @ leq ) )
                                        | ~ ( H @ ( G @ memberP ) )
                                        | ~ ( H @ ( F @ memberP ) ) ) )
                                  & ( ( G @ ( nil @ ( E @ cons ) @ ( F @ app ) @ app ) )
                                    = A )
                                  & ( G @ ssList ) )
                              & ( F @ ssList ) )
                          & ( E @ ssItem ) )
                      | ( nil = A )
                      | ( A != C )
                      | ( B != D ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(99,plain,
    ! [K: $i,J: $i,I: $i,H: $i,G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( nil != sk3 )
        | ( nil = sk4 ) )
      & ( ~ ( H @ ( J @ leq ) )
        | ( ( nil @ ( J @ cons ) @ ( K @ app ) )
         != sk3 )
        | ~ ( K @ ssList )
        | ~ ( J @ ssItem )
        | ( ( I @ ( nil @ ( H @ cons ) @ app ) )
         != sk7 )
        | ~ ( I @ ssList )
        | ~ ( H @ ssItem ) )
      & ( ~ ( F @ ( D @ leq ) )
        | ( ( G @ ( nil @ ( F @ cons ) @ app ) )
         != sk3 )
        | ~ ( G @ ssList )
        | ~ ( F @ ssItem )
        | ( ( nil @ ( D @ cons ) @ ( E @ app ) )
         != sk6 )
        | ~ ( E @ ssList )
        | ~ ( D @ ssItem ) )
      & ( sk3 @ totalorderedP )
      & ( ( sk7 @ ( sk3 @ ( sk6 @ app ) @ app ) )
        = sk4 )
      & ( sk7 @ ssList )
      & ( sk6 @ ssList )
      & ( ~ ( A @ ( B @ ( C @ sk5 ) ) @ ( A @ lt ) )
        | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
         != sk1 )
        | ~ ( C @ ssList )
        | ~ ( B @ ssList )
        | ~ ( A @ ssItem ) )
      & ( ( A @ ( B @ ( C @ sk5 ) ) @ ( A @ leq ) )
        | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
         != sk1 )
        | ~ ( C @ ssList )
        | ~ ( B @ ssList )
        | ~ ( A @ ssItem ) )
      & ( ( A @ ( B @ ( C @ sk5 ) ) @ ( C @ memberP ) )
        | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
         != sk1 )
        | ~ ( C @ ssList )
        | ~ ( B @ ssList )
        | ~ ( A @ ssItem ) )
      & ( ( A @ ( B @ ( C @ sk5 ) ) @ ( B @ memberP ) )
        | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
         != sk1 )
        | ~ ( C @ ssList )
        | ~ ( B @ ssList )
        | ~ ( A @ ssItem ) )
      & ( ( A @ ( B @ ( C @ sk5 ) ) @ ssItem )
        | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
         != sk1 )
        | ~ ( C @ ssList )
        | ~ ( B @ ssList )
        | ~ ( A @ ssItem ) )
      & ( nil != sk1 )
      & ( sk1 = sk3 )
      & ( sk2 = sk4 )
      & ( sk4 @ ssList )
      & ( sk3 @ ssList )
      & ( sk2 @ ssList )
      & ( sk1 @ ssList ) ),
    inference(cnf,[status(esa)],[98]) ).

thf(115,plain,
    sk2 @ ssList,
    inference(cnfConj,[status(thm)],[99]) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ gt ) )
                  & ( B @ ( A @ gt ) ) )
               => ( C @ ( A @ gt ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax95) ).

thf(217,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ gt ) )
                  & ( B @ ( A @ gt ) ) )
               => ( C @ ( A @ gt ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(106,plain,
    sk2 = sk4,
    inference(cnfConj,[status(thm)],[99]) ).

thf(120,plain,
    sk4 = sk2,
    inference(lifteq,[status(thm)],[106]) ).

thf(86,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( A @ ( B @ segmentP ) )
              & ( B @ ( A @ segmentP ) ) )
           => ( A = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax54) ).

thf(511,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( A @ ( B @ segmentP ) )
              & ( B @ ( A @ segmentP ) ) )
           => ( A = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[86]) ).

thf(20,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil @ ( A @ app ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax84) ).

thf(202,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil @ ( A @ app ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(97,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ geq ) )
          <=> ( A @ ( B @ leq ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax32) ).

thf(550,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( A @ ( B @ leq ) )
             => ( B @ ( A @ geq ) ) )
            & ( ( B @ ( A @ geq ) )
             => ( A @ ( B @ leq ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[97]) ).

thf(78,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( A @ ( A @ frontsegP ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax42) ).

thf(472,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( A @ ( A @ frontsegP ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[78]) ).

thf(50,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( A @ ( B @ geq ) )
              & ( B @ ( A @ geq ) ) )
           => ( A = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax87) ).

thf(340,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( A @ ( B @ geq ) )
              & ( B @ ( A @ geq ) ) )
           => ( A = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).

thf(61,axiom,
    ? [A: $i] :
      ( ? [B: $i] :
          ( ( A != B )
          & ( B @ ssItem ) )
      & ( A @ ssItem ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax2) ).

thf(409,plain,
    ? [A: $i] :
      ( ? [B: $i] :
          ( ( A != B )
          & ( B @ ssItem ) )
      & ( A @ ssItem ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[61]) ).

thf(410,plain,
    ( ( sk40 != sk41 )
    & ( sk41 @ ssItem )
    & ( sk40 @ ssItem ) ),
    inference(cnf,[status(esa)],[409]) ).

thf(412,plain,
    sk41 @ ssItem,
    inference(cnfConj,[status(thm)],[410]) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ~ ( A @ ( nil @ memberP ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax38) ).

thf(251,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ~ ( A @ ( nil @ memberP ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(252,plain,
    ! [A: $i] :
      ( ~ ( A @ ( nil @ memberP ) )
      | ~ ( A @ ssItem ) ),
    inference(cnf,[status(esa)],[251]) ).

thf(668,plain,
    ! [A: $i] :
      ( ( ( sk41 @ ssItem )
       != ( A @ ssItem ) )
      | ~ ( A @ ( nil @ memberP ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[412,252]) ).

thf(669,plain,
    ! [A: $i] :
      ( ( ( sk41 @ ssItem )
       != ( A @ ssItem ) )
      | ~ ( A @ ( nil @ memberP ) ) ),
    inference(simp,[status(thm)],[668]) ).

thf(670,plain,
    ~ ( sk41 @ ( nil @ memberP ) ),
    inference(pattern_uni,[status(thm)],[669:[bind(A,$thf( sk41 ))]]) ).

thf(47,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ! [D: $i] :
                  ( ( D @ ssItem )
                 => ( ( ( A @ ( C @ cons ) )
                      = ( B @ ( D @ cons ) ) )
                   => ( ( B = A )
                      & ( C = D ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax19) ).

thf(320,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ! [D: $i] :
                  ( ( D @ ssItem )
                 => ( ( ( A @ ( C @ cons ) )
                      = ( B @ ( D @ cons ) ) )
                   => ( ( B = A )
                      & ( C = D ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(69,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ cyclefreeP ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax59) ).

thf(436,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ cyclefreeP ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[69]) ).

thf(72,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( A @ ( A @ leq ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax31) ).

thf(448,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( A @ ( A @ leq ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[72]) ).

thf(45,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( nil @ ( A @ rearsegP ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax51) ).

thf(316,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( nil @ ( A @ rearsegP ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(14,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) )
            = ( A @ ( nil @ ( B @ cons ) @ app ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax81) ).

thf(164,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) )
            = ( A @ ( nil @ ( B @ cons ) @ app ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(35,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ! [D: $i] :
                  ( ( D @ ssList )
                 => ( ( B @ ( A @ segmentP ) )
                   => ( B @ ( D @ ( A @ ( C @ app ) @ app ) @ segmentP ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax56) ).

thf(253,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ! [D: $i] :
                  ( ( D @ ssList )
                 => ( ( B @ ( A @ segmentP ) )
                   => ( B @ ( D @ ( A @ ( C @ app ) @ app ) @ segmentP ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(33,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ strictorderedP )
      <=> ! [B: $i] :
            ( ( B @ ssItem )
           => ! [C: $i] :
                ( ( C @ ssItem )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ! [E: $i] :
                        ( ( E @ ssList )
                       => ! [F: $i] :
                            ( ( F @ ssList )
                           => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                = A )
                             => ( C @ ( B @ lt ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax12) ).

thf(238,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( C @ ( B @ lt ) ) ) ) ) ) ) )
         => ( A @ strictorderedP ) )
        & ( ( A @ strictorderedP )
         => ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( C @ ( B @ lt ) ) ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(116,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ ( C @ sk5 ) ) @ ( A @ leq ) )
      | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
       != sk1 )
      | ~ ( C @ ssList )
      | ~ ( B @ ssList )
      | ~ ( A @ ssItem ) ),
    inference(cnfConj,[status(thm)],[99]) ).

thf(121,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ ( C @ sk5 ) ) @ ( A @ leq ) )
      | ~ ( C @ ssList )
      | ~ ( B @ ssList )
      | ~ ( A @ ssItem )
      | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
       != sk1 ) ),
    inference(lifteq,[status(thm)],[116]) ).

thf(87,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( A @ ( B @ app ) @ ( C @ cons ) )
                = ( A @ ( B @ ( C @ cons ) @ app ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax27) ).

thf(514,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( A @ ( B @ app ) @ ( C @ cons ) )
                = ( A @ ( B @ ( C @ cons ) @ app ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[87]) ).

thf(8,axiom,
    nil @ totalorderedP,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax66) ).

thf(147,plain,
    nil @ totalorderedP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(28,axiom,
    ~ ( nil @ singletonP ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax39) ).

thf(220,plain,
    ~ ( nil @ singletonP ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(221,plain,
    ~ ( nil @ singletonP ),
    inference(polarity_switch,[status(thm)],[220]) ).

thf(41,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) )
           != A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax18) ).

thf(293,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) )
           != A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(108,plain,
    nil != sk1,
    inference(cnfConj,[status(thm)],[99]) ).

thf(132,plain,
    sk1 != nil,
    inference(lifteq,[status(thm)],[108]) ).

thf(3,axiom,
    nil @ strictorderedP,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax69) ).

thf(133,plain,
    nil @ strictorderedP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(411,plain,
    sk40 @ ssItem,
    inference(cnfConj,[status(thm)],[410]) ).

thf(38,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ? [B: $i] :
            ( ( ( A @ tl )
              = B )
            & ( B @ ssList ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax76) ).

thf(265,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ? [B: $i] :
            ( ( ( A @ tl )
              = B )
            & ( B @ ssList ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(93,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ lt ) )
          <=> ( ( B @ ( A @ leq ) )
              & ( A != B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax93) ).

thf(529,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( ( B @ ( A @ leq ) )
                & ( A != B ) )
             => ( B @ ( A @ lt ) ) )
            & ( ( B @ ( A @ lt ) )
             => ( ( B @ ( A @ leq ) )
                & ( A != B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[93]) ).

thf(31,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ ( nil @ app ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax28) ).

thf(233,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ ( nil @ app ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(74,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( B @ ( A @ rearsegP ) )
          <=> ? [C: $i] :
                ( ( ( B @ ( C @ app ) )
                  = A )
                & ( C @ ssList ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax6) ).

thf(452,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ? [C: $i] :
                  ( ( ( B @ ( C @ app ) )
                    = A )
                  & ( C @ ssList ) )
             => ( B @ ( A @ rearsegP ) ) )
            & ( ( B @ ( A @ rearsegP ) )
             => ? [C: $i] :
                  ( ( ( B @ ( C @ app ) )
                    = A )
                  & ( C @ ssList ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[74]) ).

thf(76,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( nil != A )
           => ( ( B @ ( A @ app ) @ hd )
              = ( A @ hd ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax85) ).

thf(467,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( nil != A )
           => ( ( B @ ( A @ app ) @ hd )
              = ( A @ hd ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[76]) ).

thf(90,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( B @ ( A @ rearsegP ) )
               => ( B @ ( A @ ( C @ app ) @ rearsegP ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax50) ).

thf(522,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( B @ ( A @ rearsegP ) )
               => ( B @ ( A @ ( C @ app ) @ rearsegP ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[90]) ).

thf(82,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ rearsegP ) )
                  & ( B @ ( A @ rearsegP ) ) )
               => ( C @ ( A @ rearsegP ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax47) ).

thf(493,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ rearsegP ) )
                  & ( B @ ( A @ rearsegP ) ) )
               => ( C @ ( A @ rearsegP ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[82]) ).

thf(40,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ? [B: $i] :
            ( ? [C: $i] :
                ( ( ( B @ ( C @ cons ) )
                  = A )
                & ( C @ ssItem ) )
            & ( B @ ssList ) )
        | ( nil = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax20) ).

thf(285,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ? [B: $i] :
            ( ? [C: $i] :
                ( ( ( B @ ( C @ cons ) )
                  = A )
                & ( C @ ssItem ) )
            & ( B @ ssList ) )
        | ( nil = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(19,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ strictorderP )
      <=> ! [B: $i] :
            ( ( B @ ssItem )
           => ! [C: $i] :
                ( ( C @ ssItem )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ! [E: $i] :
                        ( ( E @ ssList )
                       => ! [F: $i] :
                            ( ( F @ ssList )
                           => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                = A )
                             => ( ( B @ ( C @ lt ) )
                                | ( C @ ( B @ lt ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax10) ).

thf(188,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( ( B @ ( C @ lt ) )
                                  | ( C @ ( B @ lt ) ) ) ) ) ) ) ) )
         => ( A @ strictorderP ) )
        & ( ( A @ strictorderP )
         => ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( ( B @ ( C @ lt ) )
                                  | ( C @ ( B @ lt ) ) ) ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(58,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( A @ ( C @ ( B @ app ) @ memberP ) )
              <=> ( ( A @ ( C @ memberP ) )
                  | ( A @ ( B @ memberP ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax36) ).

thf(388,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( ( A @ ( C @ memberP ) )
                    | ( A @ ( B @ memberP ) ) )
                 => ( A @ ( C @ ( B @ app ) @ memberP ) ) )
                & ( ( A @ ( C @ ( B @ app ) @ memberP ) )
                 => ( ( A @ ( C @ memberP ) )
                    | ( A @ ( B @ memberP ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[58]) ).

thf(16,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( C @ ( B @ ( A @ app ) @ app ) )
                = ( C @ ( B @ app ) @ ( A @ app ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax82) ).

thf(169,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( C @ ( B @ ( A @ app ) @ app ) )
                = ( C @ ( B @ app ) @ ( A @ app ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(94,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( A @ ( B @ rearsegP ) )
              & ( B @ ( A @ rearsegP ) ) )
           => ( A = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax48) ).

thf(537,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( A @ ( B @ rearsegP ) )
              & ( B @ ( A @ rearsegP ) ) )
           => ( A = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[94]) ).

thf(92,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( nil
           != ( A @ ( B @ cons ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax21) ).

thf(526,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( nil
           != ( A @ ( B @ cons ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[92]) ).

thf(24,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ totalorderedP ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax65) ).

thf(212,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ totalorderedP ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(59,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( nil @ ( A @ frontsegP ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax45) ).

thf(393,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( nil @ ( A @ frontsegP ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[59]) ).

thf(117,plain,
    sk1 = sk3,
    inference(cnfConj,[status(thm)],[99]) ).

thf(129,plain,
    sk3 = sk1,
    inference(lifteq,[status(thm)],[117]) ).

thf(4,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ lt ) )
                  & ( B @ ( A @ lt ) ) )
               => ( C @ ( A @ lt ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax34) ).

thf(134,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ lt ) )
                  & ( B @ ( A @ lt ) ) )
               => ( C @ ( A @ lt ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(51,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( B @ ( A @ neq ) )
          <=> ( A != B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax15) ).

thf(343,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( A != B )
             => ( B @ ( A @ neq ) ) )
            & ( ( B @ ( A @ neq ) )
             => ( A != B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(105,plain,
    sk1 @ ssList,
    inference(cnfConj,[status(thm)],[99]) ).

thf(21,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ segmentP ) )
                  & ( B @ ( A @ segmentP ) ) )
               => ( C @ ( A @ segmentP ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax53) ).

thf(205,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ segmentP ) )
                  & ( B @ ( A @ segmentP ) ) )
               => ( C @ ( A @ segmentP ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(84,axiom,
    nil @ equalelemsP,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax74) ).

thf(508,plain,
    nil @ equalelemsP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[84]) ).

thf(96,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ memberP ) )
          <=> ? [C: $i] :
                ( ? [D: $i] :
                    ( ( ( D @ ( B @ cons ) @ ( C @ app ) )
                      = A )
                    & ( D @ ssList ) )
                & ( C @ ssList ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax3) ).

thf(541,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ? [C: $i] :
                  ( ? [D: $i] :
                      ( ( ( D @ ( B @ cons ) @ ( C @ app ) )
                        = A )
                      & ( D @ ssList ) )
                  & ( C @ ssList ) )
             => ( B @ ( A @ memberP ) ) )
            & ( ( B @ ( A @ memberP ) )
             => ? [C: $i] :
                  ( ? [D: $i] :
                      ( ( ( D @ ( B @ cons ) @ ( C @ app ) )
                        = A )
                      & ( D @ ssList ) )
                  & ( C @ ssList ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[96]) ).

thf(64,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ duplicatefreeP ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax71) ).

thf(425,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ duplicatefreeP ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[64]) ).

thf(66,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ leq ) )
                  & ( B @ ( A @ leq ) ) )
               => ( C @ ( A @ leq ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax30) ).

thf(430,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssItem )
             => ( ( ( C @ ( B @ leq ) )
                  & ( B @ ( A @ leq ) ) )
               => ( C @ ( A @ leq ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[66]) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ frontsegP ) )
                  & ( B @ ( A @ frontsegP ) ) )
               => ( C @ ( A @ frontsegP ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax40) ).

thf(148,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ frontsegP ) )
                  & ( B @ ( A @ frontsegP ) ) )
               => ( C @ ( A @ frontsegP ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( A @ ( B @ frontsegP ) )
              & ( B @ ( A @ frontsegP ) ) )
           => ( A = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax41) ).

thf(161,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( A @ ( B @ frontsegP ) )
              & ( B @ ( A @ frontsegP ) ) )
           => ( A = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(42,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( B @ ( A @ cons ) @ strictorderedP )
          <=> ( ( ( B @ hd @ ( A @ lt ) )
                & ( B @ strictorderedP )
                & ( nil != B ) )
              | ( nil = B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax70) ).

thf(296,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( ( ( B @ hd @ ( A @ lt ) )
                  & ( B @ strictorderedP )
                  & ( nil != B ) )
                | ( nil = B ) )
             => ( B @ ( A @ cons ) @ strictorderedP ) )
            & ( ( B @ ( A @ cons ) @ strictorderedP )
             => ( ( ( B @ hd @ ( A @ lt ) )
                  & ( B @ strictorderedP )
                  & ( nil != B ) )
                | ( nil = B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(110,plain,
    sk3 @ totalorderedP,
    inference(cnfConj,[status(thm)],[99]) ).

thf(601,plain,
    sk1 @ totalorderedP,
    inference(rewrite,[status(thm)],[110,129]) ).

thf(44,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ( A @ tl @ ssList ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax24) ).

thf(313,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ( A @ tl @ ssList ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(32,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ~ ( A @ ( A @ lt ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax90) ).

thf(236,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ~ ( A @ ( A @ lt ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(52,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( B @ ( A @ cons ) @ totalorderedP )
          <=> ( ( ( B @ hd @ ( A @ leq ) )
                & ( B @ totalorderedP )
                & ( nil != B ) )
              | ( nil = B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax67) ).

thf(350,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( ( ( B @ hd @ ( A @ leq ) )
                  & ( B @ totalorderedP )
                  & ( nil != B ) )
                | ( nil = B ) )
             => ( B @ ( A @ cons ) @ totalorderedP ) )
            & ( ( B @ ( A @ cons ) @ totalorderedP )
             => ( ( ( B @ hd @ ( A @ leq ) )
                  & ( B @ totalorderedP )
                  & ( nil != B ) )
                | ( nil = B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(95,axiom,
    nil @ totalorderP,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax62) ).

thf(540,plain,
    nil @ totalorderP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[95]) ).

thf(17,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ cyclefreeP )
      <=> ! [B: $i] :
            ( ( B @ ssItem )
           => ! [C: $i] :
                ( ( C @ ssItem )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ! [E: $i] :
                        ( ( E @ ssList )
                       => ! [F: $i] :
                            ( ( F @ ssList )
                           => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                = A )
                             => ~ ( ( B @ ( C @ leq ) )
                                  & ( C @ ( B @ leq ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax8) ).

thf(172,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ~ ( ( B @ ( C @ leq ) )
                                    & ( C @ ( B @ leq ) ) ) ) ) ) ) ) )
         => ( A @ cyclefreeP ) )
        & ( ( A @ cyclefreeP )
         => ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ~ ( ( B @ ( C @ leq ) )
                                    & ( C @ ( B @ leq ) ) ) ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(27,axiom,
    nil @ duplicatefreeP,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax72) ).

thf(219,plain,
    nil @ duplicatefreeP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(56,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( nil
              = ( B @ ( A @ app ) ) )
          <=> ( ( nil = A )
              & ( nil = B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax83) ).

thf(377,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ( ( nil = A )
                & ( nil = B ) )
             => ( nil
                = ( B @ ( A @ app ) ) ) )
            & ( ( nil
                = ( B @ ( A @ app ) ) )
             => ( ( nil = A )
                & ( nil = B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[56]) ).

thf(46,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ equalelemsP ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax73) ).

thf(318,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ equalelemsP ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(85,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( A @ ( A @ geq ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax89) ).

thf(509,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( A @ ( A @ geq ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[85]) ).

thf(39,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ totalorderP )
      <=> ! [B: $i] :
            ( ( B @ ssItem )
           => ! [C: $i] :
                ( ( C @ ssItem )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ! [E: $i] :
                        ( ( E @ ssList )
                       => ! [F: $i] :
                            ( ( F @ ssList )
                           => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                = A )
                             => ( ( B @ ( C @ leq ) )
                                | ( C @ ( B @ leq ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax9) ).

thf(271,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( ( B @ ( C @ leq ) )
                                  | ( C @ ( B @ leq ) ) ) ) ) ) ) ) )
         => ( A @ totalorderP ) )
        & ( ( A @ totalorderP )
         => ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( ( B @ ( C @ leq ) )
                                  | ( C @ ( B @ leq ) ) ) ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(80,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ equalelemsP )
      <=> ! [B: $i] :
            ( ( B @ ssItem )
           => ! [C: $i] :
                ( ( C @ ssItem )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ! [E: $i] :
                        ( ( E @ ssList )
                       => ( ( ( E @ ( C @ cons ) @ ( B @ cons ) @ ( D @ app ) )
                            = A )
                         => ( B = C ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax14) ).

thf(477,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ( ( ( E @ ( C @ cons ) @ ( B @ cons ) @ ( D @ app ) )
                              = A )
                           => ( B = C ) ) ) ) ) )
         => ( A @ equalelemsP ) )
        & ( ( A @ equalelemsP )
         => ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ( ( ( E @ ( C @ cons ) @ ( B @ cons ) @ ( D @ app ) )
                              = A )
                           => ( B = C ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[80]) ).

thf(89,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ lt ) )
           => ~ ( A @ ( B @ lt ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax33) ).

thf(520,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ lt ) )
           => ~ ( A @ ( B @ lt ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[89]) ).

thf(113,plain,
    ( ( sk7 @ ( sk3 @ ( sk6 @ app ) @ app ) )
    = sk4 ),
    inference(cnfConj,[status(thm)],[99]) ).

thf(124,plain,
    ( ( sk7 @ ( sk3 @ ( sk6 @ app ) @ app ) )
    = sk4 ),
    inference(lifteq,[status(thm)],[113]) ).

thf(676,plain,
    ( ( sk7 @ ( sk1 @ ( sk6 @ app ) @ app ) )
    = sk2 ),
    inference(rewrite,[status(thm)],[124,129,120]) ).

thf(681,plain,
    ( ( ( sk7 @ ( sk1 @ ( sk6 @ app ) @ app ) )
     != ( sk1 @ ( sk6 @ app ) ) )
    | ( ( sk7 @ ( sk2 @ app ) )
      = sk2 ) ),
    inference(paramod_ordered,[status(thm)],[676,676]) ).

thf(685,plain,
    ( ( sk7 != sk1 )
    | ( ( sk1 @ ( sk6 @ app ) )
     != sk6 )
    | ( ( sk7 @ ( sk2 @ app ) )
      = sk2 ) ),
    inference(simp,[status(thm)],[681]) ).

thf(30,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ neq ) )
          <=> ( A != B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax1) ).

thf(226,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( A != B )
             => ( B @ ( A @ neq ) ) )
            & ( ( B @ ( A @ neq ) )
             => ( A != B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(227,plain,
    ! [B: $i,A: $i] :
      ( ( ( B @ ( A @ neq ) )
        | ( A = B )
        | ~ ( B @ ssItem )
        | ~ ( A @ ssItem ) )
      & ( ( A != B )
        | ~ ( B @ ( A @ neq ) )
        | ~ ( B @ ssItem )
        | ~ ( A @ ssItem ) ) ),
    inference(cnf,[status(esa)],[226]) ).

thf(228,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ~ ( B @ ( A @ neq ) )
      | ~ ( B @ ssItem )
      | ~ ( A @ ssItem ) ),
    inference(cnfConj,[status(thm)],[227]) ).

thf(230,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ ( A @ neq ) )
      | ~ ( B @ ssItem )
      | ~ ( A @ ssItem )
      | ( A != B ) ),
    inference(lifteq,[status(thm)],[228]) ).

thf(231,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ neq ) )
      | ~ ( A @ ssItem ) ),
    inference(simp,[status(thm)],[230]) ).

thf(766,plain,
    ! [A: $i] :
      ( ( ( sk40 @ ssItem )
       != ( A @ ssItem ) )
      | ~ ( A @ ( A @ neq ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[411,231]) ).

thf(767,plain,
    ! [A: $i] :
      ( ( ( sk40 @ ssItem )
       != ( A @ ssItem ) )
      | ~ ( A @ ( A @ neq ) ) ),
    inference(simp,[status(thm)],[766]) ).

thf(768,plain,
    ~ ( sk40 @ ( sk40 @ neq ) ),
    inference(pattern_uni,[status(thm)],[767:[bind(A,$thf( sk40 ))]]) ).

thf(70,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ singletonP )
      <=> ? [B: $i] :
            ( ( ( nil @ ( B @ cons ) )
              = A )
            & ( B @ ssItem ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax4) ).

thf(438,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ? [B: $i] :
              ( ( ( nil @ ( B @ cons ) )
                = A )
              & ( B @ ssItem ) )
         => ( A @ singletonP ) )
        & ( ( A @ singletonP )
         => ? [B: $i] :
              ( ( ( nil @ ( B @ cons ) )
                = A )
              & ( B @ ssItem ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[70]) ).

thf(15,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( B @ ( A @ frontsegP ) )
               => ( B @ ( C @ ( A @ app ) @ frontsegP ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax43) ).

thf(167,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( B @ ( A @ frontsegP ) )
               => ( B @ ( C @ ( A @ app ) @ frontsegP ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(81,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) @ tl )
            = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax25) ).

thf(490,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) @ tl )
            = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[81]) ).

thf(36,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( B @ ( A @ frontsegP ) )
          <=> ? [C: $i] :
                ( ( ( C @ ( B @ app ) )
                  = A )
                & ( C @ ssList ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax5) ).

thf(255,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ? [C: $i] :
                  ( ( ( C @ ( B @ app ) )
                    = A )
                  & ( C @ ssList ) )
             => ( B @ ( A @ frontsegP ) ) )
            & ( ( B @ ( A @ frontsegP ) )
             => ? [C: $i] :
                  ( ( ( C @ ( B @ app ) )
                    = A )
                  & ( C @ ssList ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(7,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ gt ) )
           => ~ ( A @ ( B @ gt ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax94) ).

thf(145,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ gt ) )
           => ~ ( A @ ( B @ gt ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) @ hd )
            = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax23) ).

thf(150,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( A @ ( B @ cons ) @ hd )
            = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(413,plain,
    sk40 != sk41,
    inference(cnfConj,[status(thm)],[410]) ).

thf(414,plain,
    sk41 != sk40,
    inference(lifteq,[status(thm)],[413]) ).

thf(37,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( nil @ ( A @ segmentP ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax57) ).

thf(263,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( nil @ ( A @ segmentP ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(43,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ( A @ hd @ ssItem ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax22) ).

thf(310,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ( A @ hd @ ssItem ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(57,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ totalorderP ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax61) ).

thf(386,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ totalorderP ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[57]) ).

thf(71,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( B @ ( A @ app ) @ ssList ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax26) ).

thf(446,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( B @ ( A @ app ) @ ssList ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[71]) ).

thf(73,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ strictorderP ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax63) ).

thf(450,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ strictorderP ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[73]) ).

thf(91,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( A @ ( A @ rearsegP ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax49) ).

thf(524,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( A @ ( A @ rearsegP ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[91]) ).

thf(83,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ totalorderedP )
      <=> ! [B: $i] :
            ( ( B @ ssItem )
           => ! [C: $i] :
                ( ( C @ ssItem )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ! [E: $i] :
                        ( ( E @ ssList )
                       => ! [F: $i] :
                            ( ( F @ ssList )
                           => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                = A )
                             => ( C @ ( B @ leq ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax11) ).

thf(495,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( C @ ( B @ leq ) ) ) ) ) ) ) )
         => ( A @ totalorderedP ) )
        & ( ( A @ totalorderedP )
         => ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( C @ ( B @ leq ) ) ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[83]) ).

thf(55,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( B @ ( A @ segmentP ) )
          <=> ? [C: $i] :
                ( ? [D: $i] :
                    ( ( ( D @ ( B @ ( C @ app ) @ app ) )
                      = A )
                    & ( D @ ssList ) )
                & ( C @ ssList ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax7) ).

thf(368,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( ? [C: $i] :
                  ( ? [D: $i] :
                      ( ( ( D @ ( B @ ( C @ app ) @ app ) )
                        = A )
                      & ( D @ ssList ) )
                  & ( C @ ssList ) )
             => ( B @ ( A @ segmentP ) ) )
            & ( ( B @ ( A @ segmentP ) )
             => ? [C: $i] :
                  ( ? [D: $i] :
                      ( ( ( D @ ( B @ ( C @ app ) @ app ) )
                        = A )
                      & ( D @ ssList ) )
                  & ( C @ ssList ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(88,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( A @ ( B @ leq ) )
              & ( B @ ( A @ leq ) ) )
           => ( A = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax29) ).

thf(517,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( A @ ( B @ leq ) )
              & ( B @ ( A @ leq ) ) )
           => ( A = B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[88]) ).

thf(18,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( A @ ( B @ cons ) @ ssList ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax16) ).

thf(186,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( A @ ( B @ cons ) @ ssList ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(101,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ ( C @ sk5 ) ) @ ssItem )
      | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
       != sk1 )
      | ~ ( C @ ssList )
      | ~ ( B @ ssList )
      | ~ ( A @ ssItem ) ),
    inference(cnfConj,[status(thm)],[99]) ).

thf(119,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ ( C @ sk5 ) ) @ ssItem )
      | ~ ( C @ ssList )
      | ~ ( B @ ssList )
      | ~ ( A @ ssItem )
      | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
       != sk1 ) ),
    inference(lifteq,[status(thm)],[101]) ).

thf(68,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ( ( A @ tl @ ( A @ hd @ cons ) )
          = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax78) ).

thf(433,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ( ( A @ tl @ ( A @ hd @ cons ) )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[68]) ).

thf(22,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( B @ ( C @ app ) )
                  = ( B @ ( A @ app ) ) )
               => ( C = A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax79) ).

thf(207,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( B @ ( C @ app ) )
                  = ( B @ ( A @ app ) ) )
               => ( C = A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(25,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ leq ) )
           => ( ( B @ ( A @ lt ) )
              | ( A = B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax92) ).

thf(214,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ leq ) )
           => ( ( B @ ( A @ lt ) )
              | ( A = B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(23,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( A @ ( A @ segmentP ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax55) ).

thf(210,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( A @ ( A @ segmentP ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(48,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ? [B: $i] :
            ( ( ( A @ hd )
              = B )
            & ( B @ ssItem ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax75) ).

thf(326,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( nil != A )
       => ? [B: $i] :
            ( ( ( A @ hd )
              = B )
            & ( B @ ssItem ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(5,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ strictorderedP ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax68) ).

thf(136,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ( nil @ ( A @ cons ) @ strictorderedP ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(79,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( nil != A )
           => ( ( B @ ( A @ app ) @ tl )
              = ( B @ ( A @ tl @ app ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax86) ).

thf(474,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ( ( nil != A )
           => ( ( B @ ( A @ app ) @ tl )
              = ( B @ ( A @ tl @ app ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[79]) ).

thf(62,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( A @ ( C @ ( B @ cons ) @ memberP ) )
              <=> ( ( A @ ( C @ memberP ) )
                  | ( A = B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax37) ).

thf(415,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( ( A @ ( C @ memberP ) )
                    | ( A = B ) )
                 => ( A @ ( C @ ( B @ cons ) @ memberP ) ) )
                & ( ( A @ ( C @ ( B @ cons ) @ memberP ) )
                 => ( ( A @ ( C @ memberP ) )
                    | ( A = B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[62]) ).

thf(60,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( A @ duplicatefreeP )
      <=> ! [B: $i] :
            ( ( B @ ssItem )
           => ! [C: $i] :
                ( ( C @ ssItem )
               => ! [D: $i] :
                    ( ( D @ ssList )
                   => ! [E: $i] :
                        ( ( E @ ssList )
                       => ! [F: $i] :
                            ( ( F @ ssList )
                           => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                = A )
                             => ( B != C ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax13) ).

thf(395,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ( ( ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( B != C ) ) ) ) ) ) )
         => ( A @ duplicatefreeP ) )
        & ( ( A @ duplicatefreeP )
         => ! [B: $i] :
              ( ( B @ ssItem )
             => ! [C: $i] :
                  ( ( C @ ssItem )
                 => ! [D: $i] :
                      ( ( D @ ssList )
                     => ! [E: $i] :
                          ( ( E @ ssList )
                         => ! [F: $i] :
                              ( ( F @ ssList )
                             => ( ( ( F @ ( C @ cons ) @ ( E @ ( B @ cons ) @ ( D @ app ) @ app ) )
                                  = A )
                               => ( B != C ) ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[60]) ).

thf(49,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ! [D: $i] :
                  ( ( D @ ssList )
                 => ( ( D @ ( B @ cons ) @ ( C @ ( A @ cons ) @ frontsegP ) )
                  <=> ( ( D @ ( C @ frontsegP ) )
                      & ( A = B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax44) ).

thf(332,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ! [D: $i] :
                  ( ( D @ ssList )
                 => ( ( ( ( D @ ( C @ frontsegP ) )
                        & ( A = B ) )
                     => ( D @ ( B @ cons ) @ ( C @ ( A @ cons ) @ frontsegP ) ) )
                    & ( ( D @ ( B @ cons ) @ ( C @ ( A @ cons ) @ frontsegP ) )
                     => ( ( D @ ( C @ frontsegP ) )
                        & ( A = B ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(65,axiom,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ app ) )
                  = ( A @ ( B @ app ) ) )
               => ( C = A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax80) ).

thf(427,plain,
    ! [A: $i] :
      ( ( A @ ssList )
     => ! [B: $i] :
          ( ( B @ ssList )
         => ! [C: $i] :
              ( ( C @ ssList )
             => ( ( ( C @ ( B @ app ) )
                  = ( A @ ( B @ app ) ) )
               => ( C = A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[65]) ).

thf(111,plain,
    sk6 @ ssList,
    inference(cnfConj,[status(thm)],[99]) ).

thf(109,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ ( C @ sk5 ) ) @ ( B @ memberP ) )
      | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
       != sk1 )
      | ~ ( C @ ssList )
      | ~ ( B @ ssList )
      | ~ ( A @ ssItem ) ),
    inference(cnfConj,[status(thm)],[99]) ).

thf(122,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ ( C @ sk5 ) ) @ ( B @ memberP ) )
      | ~ ( C @ ssList )
      | ~ ( B @ ssList )
      | ~ ( A @ ssItem )
      | ( ( C @ ( nil @ ( A @ cons ) @ ( B @ app ) @ app ) )
       != sk1 ) ),
    inference(lifteq,[status(thm)],[109]) ).

thf(657,plain,
    ! [A: $i] :
      ( ( ( sk40 @ ssItem )
       != ( A @ ssItem ) )
      | ~ ( A @ ( nil @ memberP ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[411,252]) ).

thf(658,plain,
    ! [A: $i] :
      ( ( ( sk40 @ ssItem )
       != ( A @ ssItem ) )
      | ~ ( A @ ( nil @ memberP ) ) ),
    inference(simp,[status(thm)],[657]) ).

thf(659,plain,
    ~ ( sk40 @ ( nil @ memberP ) ),
    inference(pattern_uni,[status(thm)],[658:[bind(A,$thf( sk40 ))]]) ).

thf(29,axiom,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( B @ ( A @ gt ) )
          <=> ( A @ ( B @ lt ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax35) ).

thf(222,plain,
    ! [A: $i] :
      ( ( A @ ssItem )
     => ! [B: $i] :
          ( ( B @ ssItem )
         => ( ( ( A @ ( B @ lt ) )
             => ( B @ ( A @ gt ) ) )
            & ( ( B @ ( A @ gt ) )
             => ( A @ ( B @ lt ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(100,plain,
    sk7 @ ssList,
    inference(cnfConj,[status(thm)],[99]) ).

thf(10427,plain,
    $false,
    inference(e,[status(thm)],[460,160,423,470,432,760,365,138,762,115,217,120,511,202,550,472,340,153,670,320,436,448,316,164,253,238,121,514,147,221,293,132,133,411,265,529,220,233,452,467,252,522,493,285,188,388,169,537,526,212,393,129,134,343,105,205,508,541,412,425,430,148,161,296,601,313,236,350,540,172,219,377,318,509,98,271,477,520,251,685,768,226,438,167,490,255,145,150,414,409,263,310,386,446,231,450,524,495,368,517,186,119,433,207,214,210,326,136,474,415,395,332,427,111,122,659,676,222,364,100]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05  % Problem  : SWC236+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.12  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.24/5.50  % Computer : n020.cluster.edu
% 0.24/5.50  % Model    : x86_64 x86_64
% 0.24/5.50  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.24/5.50  % Memory   : 8046.5625MB
% 0.24/5.50  % OS       : Linux 6.8.0-71-generic
% 0.24/5.50  % CPULimit : 300
% 0.24/5.50  % WCLimit  : 300
% 0.24/5.50  % DateTime : Sat Sep 26 12:35:54 UTC 2026
% 0.24/5.51  % CPUTime  : 
% 0.24/5.51  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 1.43/6.34  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 2.29/6.79  % [INFO] 	 Parsing done (446ms). 
% 2.74/6.81  % [INFO] 	 Running in sequential loop mode. 
% 3.52/7.38  % [INFO] 	 eprover registered as external prover. 
% 3.52/7.39  % [INFO] 	 Scanning for conjecture ... 
% 4.15/7.63  % [INFO] 	 Found a conjecture (or negated_conjecture) and 95 axioms. Running axiom selection ... 
% 4.60/7.81  % [INFO] 	 Axiom selection finished. Selected 95 axioms (removed 0 axioms). 
% 4.88/7.99  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 4.88/8.03  % [INFO] 	 Type checking passed. 
% 4.88/8.04  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 61.99/19.03  % External prover 'e' found a proof!
% 61.99/19.03  % [INFO] 	 Killing All external provers ... 
% 61.99/19.04  % Time passed: 13330ms (effective reasoning time: 12218ms)
% 61.99/19.04  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 61.99/19.04  % Axioms used in derivation (95): ax74, ax13, ax37, ax14, ax12, ax79, ax20, ax52, ax67, ax24, ax63, ax56, ax4, ax47, ax41, ax90, ax31, ax28, ax9, ax17, ax6, ax45, ax40, ax85, ax35, ax58, ax69, ax78, ax39, ax89, ax27, ax66, ax8, ax91, ax73, ax51, ax48, ax21, ax88, ax62, ax10, ax55, ax32, ax95, ax16, ax80, ax59, ax1, ax7, ax77, ax38, ax44, ax84, ax92, ax94, ax33, ax26, ax61, ax11, ax50, ax87, ax72, ax65, ax22, ax15, ax81, ax76, ax43, ax83, ax19, ax2, ax70, ax54, ax49, ax46, ax34, ax23, ax86, ax25, ax60, ax71, ax57, ax68, ax30, ax42, ax82, ax18, ax3, ax5, ax36, ax64, ax29, ax75, ax53, ax93
% 61.99/19.04  % No. of inferences in proof: 250
% 61.99/19.04  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 13330 ms resp. 12218 ms w/o parsing
% 63.47/19.35  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 63.47/19.35  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------