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

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SYO955_1 : TPTP v9.3.1. Released v9.1.0.
% 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 : n015.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 09:45:48 AM UTC 2026

% Result   : Theorem 15.77s 5.50s
% Output   : Refutation 15.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   41
%            Number of leaves      :    9
% Syntax   : Number of formulae    :  132 (  16 unt;   0 typ;   8 def)
%            Number of atoms       :  712 (  62 equ;   0 cnn)
%            Maximal formula atoms :   60 (   5 avg)
%            Number of connectives : 1957 ( 335   ~; 392   |;  38   &;1158   @)
%                                         (   2 <=>;  32  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   29 (   7 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   16 (  13 usr;   8 con; 0-2 aty)
%            Number of variables   :  166 (   4   ^; 136   !;  18   ?; 166   :)
%                                         (   0  !>;   0  ?*;   0  @-;   8  @+)

% Comments : 
%------------------------------------------------------------------------------
thf('$world_type',type,
    '$world': $tType ).

thf('$local_world_decl',type,
    '$local_world': '$world' ).

thf('$accessible_world_decl',type,
    '$accessible_world': '$world' > '$world' > $o ).

thf(p_decl,type,
    p: '$world' > $i > $o ).

thf('$exists_in_world_$i_decl',type,
    '$exists_in_world_$i': '$world' > $i > $o ).

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

thf(sk2_decl,type,
    sk2: $i > '$world' ).

thf(sk3_decl,type,
    sk3: '$world' > $i ).

thf(sk4_decl,type,
    sk4: '$world' ).

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

thf(sk6_decl,type,
    sk6: '$world' > $i ).

thf(sk7_decl,type,
    sk7: $i > '$world' ).

thf(sk8_decl,type,
    sk8: $i ).

thf(sk9_decl,type,
    sk9: '$world' ).

thf(sk2_def,definition,
    ( sk2
    = ( ^ [A: $i] :
        @+[B: '$world'] :
          ~ ( ( B @ ( '$local_world' @ '$accessible_world' ) )
           => ( A @ ( B @ p ) ) ) ) ) ).

thf(sk3_def,definition,
    ( sk3
    = ( ^ [A: '$world'] :
        @+[B: $i] :
          ( ( B @ ( A @ p ) )
          & ( B @ ( A @ '$exists_in_world_$i' ) ) ) ) ) ).

thf(sk4_def,definition,
    ( sk4
    = ( @+[A: '$world'] :
          ( ! [B: $i] :
              ( ( B @ ( A @ '$exists_in_world_$i' ) )
             => ~ ( B @ ( A @ p ) ) )
          & ( A @ ( '$local_world' @ '$accessible_world' ) ) ) ) ) ).

thf(sk5_def,definition,
    ( sk5
    = ( @+[A: $i] :
          ~ ( ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
           => ? [B: '$world'] :
                ( ~ ( A @ ( B @ p ) )
                & ( B @ ( '$local_world' @ '$accessible_world' ) ) ) ) ) ) ).

thf(sk6_def,definition,
    ( sk6
    = ( ^ [A: '$world'] :
        @+[B: $i] :
          ~ ( ( B @ ( A @ '$exists_in_world_$i' ) )
           => ~ ( B @ ( A @ p ) ) ) ) ) ).

thf(sk7_def,definition,
    ( sk7
    = ( ^ [A: $i] :
        @+[B: '$world'] :
          ( ~ ( A @ ( B @ p ) )
          & ( B @ ( '$local_world' @ '$accessible_world' ) ) ) ) ) ).

thf(sk8_def,definition,
    ( sk8
    = ( @+[A: $i] :
          ( ! [B: '$world'] :
              ( ( B @ ( '$local_world' @ '$accessible_world' ) )
             => ( A @ ( B @ p ) ) )
          & ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) ) ) ) ).

thf(sk9_def,definition,
    ( sk9
    = ( @+[A: '$world'] :
          ~ ( ( A @ ( '$local_world' @ '$accessible_world' ) )
           => ? [B: $i] :
                ( ( B @ ( A @ p ) )
                & ( B @ ( A @ '$exists_in_world_$i' ) ) ) ) ) ) ).

thf(1,conjecture,
    ( ( ? [A: $i] :
          ( ! [B: '$world'] :
              ( ( B @ ( '$local_world' @ '$accessible_world' ) )
             => ( A @ ( B @ p ) ) )
          & ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
     => ! [A: '$world'] :
          ( ( A @ ( '$local_world' @ '$accessible_world' ) )
         => ? [B: $i] :
              ( ( B @ ( A @ p ) )
              & ( B @ ( A @ '$exists_in_world_$i' ) ) ) ) )
  <=> ( ? [A: '$world'] :
          ( ! [B: $i] :
              ( ( B @ ( A @ '$exists_in_world_$i' ) )
             => ~ ( B @ ( A @ p ) ) )
          & ( A @ ( '$local_world' @ '$accessible_world' ) ) )
     => ! [A: $i] :
          ( ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
         => ? [B: '$world'] :
              ( ~ ( A @ ( B @ p ) )
              & ( B @ ( '$local_world' @ '$accessible_world' ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equivalence14) ).

thf(2,negated_conjecture,
    ~ ( ( ? [A: $i] :
            ( ! [B: '$world'] :
                ( ( B @ ( '$local_world' @ '$accessible_world' ) )
               => ( A @ ( B @ p ) ) )
            & ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
       => ! [A: '$world'] :
            ( ( A @ ( '$local_world' @ '$accessible_world' ) )
           => ? [B: $i] :
                ( ( B @ ( A @ p ) )
                & ( B @ ( A @ '$exists_in_world_$i' ) ) ) ) )
    <=> ( ? [A: '$world'] :
            ( ! [B: $i] :
                ( ( B @ ( A @ '$exists_in_world_$i' ) )
               => ~ ( B @ ( A @ p ) ) )
            & ( A @ ( '$local_world' @ '$accessible_world' ) ) )
       => ! [A: $i] :
            ( ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
           => ? [B: '$world'] :
                ( ~ ( A @ ( B @ p ) )
                & ( B @ ( '$local_world' @ '$accessible_world' ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(4,plain,
    ~ ( ( ( ? [A: '$world'] :
              ( ! [B: $i] :
                  ( ( B @ ( A @ '$exists_in_world_$i' ) )
                 => ~ ( B @ ( A @ p ) ) )
              & ( A @ ( '$local_world' @ '$accessible_world' ) ) )
         => ! [A: $i] :
              ( ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
             => ? [B: '$world'] :
                  ( ~ ( A @ ( B @ p ) )
                  & ( B @ ( '$local_world' @ '$accessible_world' ) ) ) ) )
       => ( ? [A: $i] :
              ( ! [B: '$world'] :
                  ( ( B @ ( '$local_world' @ '$accessible_world' ) )
                 => ( A @ ( B @ p ) ) )
              & ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
         => ! [A: '$world'] :
              ( ( A @ ( '$local_world' @ '$accessible_world' ) )
             => ? [B: $i] :
                  ( ( B @ ( A @ p ) )
                  & ( B @ ( A @ '$exists_in_world_$i' ) ) ) ) ) )
      & ( ( ? [A: $i] :
              ( ! [B: '$world'] :
                  ( ( B @ ( '$local_world' @ '$accessible_world' ) )
                 => ( A @ ( B @ p ) ) )
              & ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
         => ! [A: '$world'] :
              ( ( A @ ( '$local_world' @ '$accessible_world' ) )
             => ? [B: $i] :
                  ( ( B @ ( A @ p ) )
                  & ( B @ ( A @ '$exists_in_world_$i' ) ) ) ) )
       => ( ? [A: '$world'] :
              ( ! [B: $i] :
                  ( ( B @ ( A @ '$exists_in_world_$i' ) )
                 => ~ ( B @ ( A @ p ) ) )
              & ( A @ ( '$local_world' @ '$accessible_world' ) ) )
         => ! [A: $i] :
              ( ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
             => ? [B: '$world'] :
                  ( ~ ( A @ ( B @ p ) )
                  & ( B @ ( '$local_world' @ '$accessible_world' ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(5,plain,
    ! [H: $i,G: '$world',F: $i,E: '$world',D: '$world',C: $i,B: '$world',A: $i] :
      ( ( ~ ( H @ ( sk9 @ p ) )
        | ~ ( H @ ( sk9 @ '$exists_in_world_$i' ) )
        | sk1 )
      & ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
        | sk1 )
      & ( ( sk8 @ ( G @ p ) )
        | ~ ( G @ ( '$local_world' @ '$accessible_world' ) )
        | sk1 )
      & ( ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
        | sk1 )
      & ( ~ ( F @ ( F @ sk7 @ p ) )
        | ~ ( F @ ( '$local_world' @ '$exists_in_world_$i' ) )
        | ( E @ sk6 @ ( E @ p ) )
        | ~ ( E @ ( '$local_world' @ '$accessible_world' ) )
        | sk1 )
      & ( ( F @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
        | ~ ( F @ ( '$local_world' @ '$exists_in_world_$i' ) )
        | ( E @ sk6 @ ( E @ p ) )
        | ~ ( E @ ( '$local_world' @ '$accessible_world' ) )
        | sk1 )
      & ( ~ ( F @ ( F @ sk7 @ p ) )
        | ~ ( F @ ( '$local_world' @ '$exists_in_world_$i' ) )
        | ( E @ sk6 @ ( E @ '$exists_in_world_$i' ) )
        | ~ ( E @ ( '$local_world' @ '$accessible_world' ) )
        | sk1 )
      & ( ( F @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
        | ~ ( F @ ( '$local_world' @ '$exists_in_world_$i' ) )
        | ( E @ sk6 @ ( E @ '$exists_in_world_$i' ) )
        | ~ ( E @ ( '$local_world' @ '$accessible_world' ) )
        | sk1 )
      & ( ~ sk1
        | ( sk5 @ ( D @ p ) )
        | ~ ( D @ ( '$local_world' @ '$accessible_world' ) ) )
      & ( ~ sk1
        | ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      & ( ~ sk1
        | ~ ( C @ ( sk4 @ p ) )
        | ~ ( C @ ( sk4 @ '$exists_in_world_$i' ) ) )
      & ( ~ sk1
        | ( sk4 @ ( '$local_world' @ '$accessible_world' ) ) )
      & ( ~ sk1
        | ( B @ sk3 @ ( B @ p ) )
        | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
        | ~ ( A @ ( A @ sk2 @ p ) )
        | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      & ( ~ sk1
        | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
        | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
        | ~ ( A @ ( A @ sk2 @ p ) )
        | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      & ( ~ sk1
        | ( B @ sk3 @ ( B @ p ) )
        | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
        | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
        | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      & ( ~ sk1
        | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
        | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
        | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
        | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) ) ),
    inference(cnf,[status(esa)],[4]) ).

thf(21,plain,
    ( ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
    | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(6,plain,
    ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
    | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(16,plain,
    ! [B: $i,A: '$world'] :
      ( ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(27,plain,
    ! [B: $i,A: '$world'] :
      ( ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[16]) ).

thf(912,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ $true
      | sk1
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[6,27]) ).

thf(913,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | sk1 ),
    inference(simp,[status(thm)],[912]) ).

thf(914,plain,
    ! [A: $i] :
      ( ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( sk9 @ sk6 @ ( sk9 @ p ) )
      | sk1 ),
    inference(pattern_uni,[status(thm)],[913:[bind(A,$thf( sk9 ))]]) ).

thf(948,plain,
    ! [A: $i] :
      ( ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( sk9 @ sk6 @ ( sk9 @ p ) )
      | sk1 ),
    inference(simp,[status(thm)],[914]) ).

thf(978,plain,
    ! [A: $i] :
      ( ( ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ $true
      | ( sk9 @ sk6 @ ( sk9 @ p ) )
      | sk1
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[21,948]) ).

thf(979,plain,
    ! [A: $i] :
      ( ( ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ( sk9 @ sk6 @ ( sk9 @ p ) )
      | sk1 ),
    inference(simp,[status(thm)],[978]) ).

thf(980,plain,
    ( ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
    | ( sk9 @ sk6 @ ( sk9 @ p ) )
    | sk1 ),
    inference(pattern_uni,[status(thm)],[979:[bind(A,$thf( sk8 ))]]) ).

thf(12,plain,
    ! [B: $i,A: '$world'] :
      ( ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(25,plain,
    ! [B: $i,A: '$world'] :
      ( ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[12]) ).

thf(304,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ $true
      | sk1
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[6,25]) ).

thf(305,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | sk1 ),
    inference(simp,[status(thm)],[304]) ).

thf(306,plain,
    ! [A: $i] :
      ( ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) )
      | sk1 ),
    inference(pattern_uni,[status(thm)],[305:[bind(A,$thf( sk9 ))]]) ).

thf(316,plain,
    ! [A: $i] :
      ( ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) )
      | sk1 ),
    inference(simp,[status(thm)],[306]) ).

thf(437,plain,
    ! [A: $i] :
      ( ( ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ $true
      | ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) )
      | sk1
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[21,316]) ).

thf(438,plain,
    ! [A: $i] :
      ( ( ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( A @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) )
      | sk1 ),
    inference(simp,[status(thm)],[437]) ).

thf(439,plain,
    ( ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
    | ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) )
    | sk1 ),
    inference(pattern_uni,[status(thm)],[438:[bind(A,$thf( sk8 ))]]) ).

thf(17,plain,
    ! [A: $i] :
      ( ~ ( A @ ( sk9 @ p ) )
      | ~ ( A @ ( sk9 @ '$exists_in_world_$i' ) )
      | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(24,plain,
    ! [A: $i] :
      ( ~ ( A @ ( sk9 @ p ) )
      | ~ ( A @ ( sk9 @ '$exists_in_world_$i' ) )
      | sk1 ),
    inference(simp,[status(thm)],[17]) ).

thf(460,plain,
    ! [A: $i] :
      ( ( ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) )
       != ( A @ ( sk9 @ '$exists_in_world_$i' ) ) )
      | ~ ( A @ ( sk9 @ p ) )
      | ~ $true
      | sk1
      | ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[439,24]) ).

thf(461,plain,
    ! [A: $i] :
      ( ( ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) )
       != ( A @ ( sk9 @ '$exists_in_world_$i' ) ) )
      | ~ ( A @ ( sk9 @ p ) )
      | ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[460]) ).

thf(462,plain,
    ( ~ ( sk9 @ sk6 @ ( sk9 @ p ) )
    | ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
    | sk1 ),
    inference(pattern_uni,[status(thm)],[461:[bind(A,$thf( sk9 @ sk6 ))]]) ).

thf(998,plain,
    ( ( ( sk9 @ sk6 @ ( sk9 @ p ) )
     != ( sk9 @ sk6 @ ( sk9 @ p ) ) )
    | ~ $true
    | ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
    | sk1
    | ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
    | sk1 ),
    inference(paramod_ordered,[status(thm)],[980,462]) ).

thf(999,plain,
    ( ( ( sk9 @ sk6 @ ( sk9 @ p ) )
     != ( sk9 @ sk6 @ ( sk9 @ p ) ) )
    | ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
    | sk1 ),
    inference(simp,[status(thm)],[998]) ).

thf(1000,plain,
    ( ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
    | sk1 ),
    inference(pattern_uni,[status(thm)],[999:[]]) ).

thf(11,plain,
    ! [A: '$world'] :
      ( ( sk8 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(28,plain,
    ! [A: '$world'] :
      ( ( sk8 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[11]) ).

thf(1044,plain,
    ! [A: '$world'] :
      ( ( ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( sk8 @ ( A @ p ) )
      | ~ $true
      | sk1
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[1000,28]) ).

thf(1045,plain,
    ! [A: '$world'] :
      ( ( ( sk8 @ sk7 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( sk8 @ ( A @ p ) )
      | sk1 ),
    inference(simp,[status(thm)],[1044]) ).

thf(1046,plain,
    ( ( sk8 @ ( sk8 @ sk7 @ p ) )
    | sk1 ),
    inference(pattern_uni,[status(thm)],[1045:[bind(A,$thf( sk8 @ sk7 ))]]) ).

thf(7,plain,
    ! [B: $i,A: '$world'] :
      ( ~ ( B @ ( B @ sk7 @ p ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(26,plain,
    ! [B: $i,A: '$world'] :
      ( ~ ( B @ ( B @ sk7 @ p ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[7]) ).

thf(1191,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk8 @ ( sk8 @ sk7 @ p ) )
       != ( B @ ( B @ sk7 @ p ) ) )
      | ~ $true
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[1046,26]) ).

thf(1192,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk8 @ ( sk8 @ sk7 @ p ) )
       != ( B @ ( B @ sk7 @ p ) ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[1191]) ).

thf(1193,plain,
    ! [A: '$world'] :
      ( ~ ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(pattern_uni,[status(thm)],[1192:[bind(A,$thf( A )),bind(B,$thf( sk8 ))]]) ).

thf(18,plain,
    ( ~ sk1
    | ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(9,plain,
    ( ~ sk1
    | ( sk4 @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(20,plain,
    ! [B: '$world',A: $i] :
      ( ~ sk1
      | ( B @ sk3 @ ( B @ p ) )
      | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(506,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ~ sk1
      | ( B @ sk3 @ ( B @ p ) )
      | ~ $true
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[9,20]) ).

thf(507,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk3 @ ( B @ p ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[506]) ).

thf(508,plain,
    ! [A: $i] :
      ( ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[507:[bind(A,$thf( A )),bind(B,$thf( sk4 ))]]) ).

thf(5184,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ $true
      | ~ sk1
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[18,508]) ).

thf(5185,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[5184]) ).

thf(5186,plain,
    ( ( sk4 @ sk3 @ ( sk4 @ p ) )
    | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[5185:[bind(A,$thf( sk5 ))]]) ).

thf(19,plain,
    ! [B: '$world',A: $i] :
      ( ~ sk1
      | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
      | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(335,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ~ sk1
      | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
      | ~ $true
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[9,19]) ).

thf(336,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[335]) ).

thf(337,plain,
    ! [A: $i] :
      ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[336:[bind(A,$thf( A )),bind(B,$thf( sk4 ))]]) ).

thf(2557,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ $true
      | ~ sk1
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[18,337]) ).

thf(2558,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
      | ( A @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[2557]) ).

thf(2559,plain,
    ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
    | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[2558:[bind(A,$thf( sk5 ))]]) ).

thf(10,plain,
    ! [A: $i] :
      ( ~ sk1
      | ~ ( A @ ( sk4 @ p ) )
      | ~ ( A @ ( sk4 @ '$exists_in_world_$i' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(22,plain,
    ! [A: $i] :
      ( ~ sk1
      | ~ ( A @ ( sk4 @ p ) )
      | ~ ( A @ ( sk4 @ '$exists_in_world_$i' ) ) ),
    inference(simp,[status(thm)],[10]) ).

thf(2674,plain,
    ! [A: $i] :
      ( ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
       != ( A @ ( sk4 @ '$exists_in_world_$i' ) ) )
      | ~ sk1
      | ~ ( A @ ( sk4 @ p ) )
      | ~ $true
      | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[2559,22]) ).

thf(2675,plain,
    ! [A: $i] :
      ( ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
       != ( A @ ( sk4 @ '$exists_in_world_$i' ) ) )
      | ~ ( A @ ( sk4 @ p ) )
      | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[2674]) ).

thf(2676,plain,
    ( ~ ( sk4 @ sk3 @ ( sk4 @ p ) )
    | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[2675:[bind(A,$thf( sk4 @ sk3 ))]]) ).

thf(5238,plain,
    ( ( ( sk4 @ sk3 @ ( sk4 @ p ) )
     != ( sk4 @ sk3 @ ( sk4 @ p ) ) )
    | ~ $true
    | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1
    | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[5186,2676]) ).

thf(5239,plain,
    ( ( ( sk4 @ sk3 @ ( sk4 @ p ) )
     != ( sk4 @ sk3 @ ( sk4 @ p ) ) )
    | ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1 ),
    inference(simp,[status(thm)],[5238]) ).

thf(5240,plain,
    ( ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[5239:[]]) ).

thf(13,plain,
    ! [A: '$world'] :
      ( ~ sk1
      | ( sk5 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(23,plain,
    ! [A: '$world'] :
      ( ~ sk1
      | ( sk5 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[13]) ).

thf(15,plain,
    ! [B: '$world',A: $i] :
      ( ~ sk1
      | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
      | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(148,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ~ sk1
      | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
      | ~ $true
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[9,15]) ).

thf(149,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk3 @ ( B @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[148]) ).

thf(150,plain,
    ! [A: $i] :
      ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[149:[bind(A,$thf( A )),bind(B,$thf( sk4 ))]]) ).

thf(3228,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ $true
      | ~ sk1
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[18,150]) ).

thf(3229,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[3228]) ).

thf(3230,plain,
    ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
    | ~ ( sk5 @ ( sk5 @ sk2 @ p ) )
    | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[3229:[bind(A,$thf( sk5 ))]]) ).

thf(14,plain,
    ! [B: '$world',A: $i] :
      ( ~ sk1
      | ( B @ sk3 @ ( B @ p ) )
      | ~ ( B @ ( '$local_world' @ '$accessible_world' ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(62,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ~ sk1
      | ( B @ sk3 @ ( B @ p ) )
      | ~ $true
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[9,14]) ).

thf(63,plain,
    ! [B: '$world',A: $i] :
      ( ( ( sk4 @ ( '$local_world' @ '$accessible_world' ) )
       != ( B @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( B @ sk3 @ ( B @ p ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[62]) ).

thf(64,plain,
    ! [A: $i] :
      ( ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ ( A @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[63:[bind(A,$thf( A )),bind(B,$thf( sk4 ))]]) ).

thf(1303,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ $true
      | ~ sk1
      | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[18,64]) ).

thf(1304,plain,
    ! [A: $i] :
      ( ( ( sk5 @ ( '$local_world' @ '$exists_in_world_$i' ) )
       != ( A @ ( '$local_world' @ '$exists_in_world_$i' ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ~ ( A @ ( A @ sk2 @ p ) )
      | ~ sk1 ),
    inference(simp,[status(thm)],[1303]) ).

thf(1305,plain,
    ( ( sk4 @ sk3 @ ( sk4 @ p ) )
    | ~ ( sk5 @ ( sk5 @ sk2 @ p ) )
    | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[1304:[bind(A,$thf( sk5 ))]]) ).

thf(1370,plain,
    ! [A: '$world'] :
      ( ( ( sk5 @ ( A @ p ) )
       != ( sk5 @ ( sk5 @ sk2 @ p ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ~ $true
      | ~ sk1
      | ~ sk1
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(paramod_ordered,[status(thm)],[23,1305]) ).

thf(1371,plain,
    ! [A: '$world'] :
      ( ( ( sk5 @ ( A @ p ) )
       != ( sk5 @ ( sk5 @ sk2 @ p ) ) )
      | ( sk4 @ sk3 @ ( sk4 @ p ) )
      | ~ sk1
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[1370]) ).

thf(1372,plain,
    ( ( sk4 @ sk3 @ ( sk4 @ p ) )
    | ~ sk1
    | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(pattern_uni,[status(thm)],[1371:[bind(A,$thf( sk5 @ sk2 ))]]) ).

thf(1587,plain,
    ! [A: $i] :
      ( ( ( sk4 @ sk3 @ ( sk4 @ p ) )
       != ( A @ ( sk4 @ p ) ) )
      | ~ sk1
      | ~ $true
      | ~ ( A @ ( sk4 @ '$exists_in_world_$i' ) )
      | ~ sk1
      | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(paramod_ordered,[status(thm)],[1372,22]) ).

thf(1588,plain,
    ! [A: $i] :
      ( ( ( sk4 @ sk3 @ ( sk4 @ p ) )
       != ( A @ ( sk4 @ p ) ) )
      | ~ ( A @ ( sk4 @ '$exists_in_world_$i' ) )
      | ~ sk1
      | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[1587]) ).

thf(1589,plain,
    ( ~ ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
    | ~ sk1
    | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(pattern_uni,[status(thm)],[1588:[bind(A,$thf( sk4 @ sk3 ))]]) ).

thf(3379,plain,
    ( ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
     != ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) ) )
    | ~ $true
    | ~ sk1
    | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ ( sk5 @ ( sk5 @ sk2 @ p ) )
    | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[3230,1589]) ).

thf(3380,plain,
    ( ( ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) )
     != ( sk4 @ sk3 @ ( sk4 @ '$exists_in_world_$i' ) ) )
    | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ ( sk5 @ ( sk5 @ sk2 @ p ) )
    | ~ sk1 ),
    inference(simp,[status(thm)],[3379]) ).

thf(3381,plain,
    ( ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ ( sk5 @ ( sk5 @ sk2 @ p ) )
    | ~ sk1 ),
    inference(pattern_uni,[status(thm)],[3380:[]]) ).

thf(3798,plain,
    ! [A: '$world'] :
      ( ( ( sk5 @ ( A @ p ) )
       != ( sk5 @ ( sk5 @ sk2 @ p ) ) )
      | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ $true
      | ~ sk1
      | ~ sk1
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(paramod_ordered,[status(thm)],[23,3381]) ).

thf(3799,plain,
    ! [A: '$world'] :
      ( ( ( sk5 @ ( A @ p ) )
       != ( sk5 @ ( sk5 @ sk2 @ p ) ) )
      | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
      | ~ sk1
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[3798]) ).

thf(3800,plain,
    ( ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
    | ~ sk1
    | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(pattern_uni,[status(thm)],[3799:[bind(A,$thf( sk5 @ sk2 ))]]) ).

thf(3815,plain,
    ( ~ sk1
    | ~ ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[3800]) ).

thf(5332,plain,
    ( ( ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
     != ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) )
    | ~ sk1
    | ~ $true
    | ~ sk1 ),
    inference(paramod_ordered,[status(thm)],[5240,3815]) ).

thf(5333,plain,
    ( ( ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) )
     != ( sk5 @ sk2 @ ( '$local_world' @ '$accessible_world' ) ) )
    | ~ sk1 ),
    inference(simp,[status(thm)],[5332]) ).

thf(5334,plain,
    ~ sk1,
    inference(pattern_uni,[status(thm)],[5333:[]]) ).

thf(5423,plain,
    ( ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
    | $false ),
    inference(rewrite,[status(thm)],[21,5334]) ).

thf(5424,plain,
    sk8 @ ( '$local_world' @ '$exists_in_world_$i' ),
    inference(simp,[status(thm)],[5423]) ).

thf(5844,plain,
    ! [A: '$world'] :
      ( ~ $true
      | ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | $false ),
    inference(rewrite,[status(thm)],[1193,5424,5334]) ).

thf(5845,plain,
    ! [A: '$world'] :
      ( ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[5844]) ).

thf(5417,plain,
    ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
    | $false ),
    inference(rewrite,[status(thm)],[6,5334]) ).

thf(5418,plain,
    sk9 @ ( '$local_world' @ '$accessible_world' ),
    inference(simp,[status(thm)],[5417]) ).

thf(8,plain,
    ! [B: $i,A: '$world'] :
      ( ~ ( B @ ( B @ sk7 @ p ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(cnfConj,[status(thm)],[5]) ).

thf(29,plain,
    ! [B: $i,A: '$world'] :
      ( ~ ( B @ ( B @ sk7 @ p ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[8]) ).

thf(1186,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk8 @ ( sk8 @ sk7 @ p ) )
       != ( B @ ( B @ sk7 @ p ) ) )
      | ~ $true
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1
      | sk1 ),
    inference(paramod_ordered,[status(thm)],[1046,29]) ).

thf(1187,plain,
    ! [B: $i,A: '$world'] :
      ( ( ( sk8 @ ( sk8 @ sk7 @ p ) )
       != ( B @ ( B @ sk7 @ p ) ) )
      | ~ ( B @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(simp,[status(thm)],[1186]) ).

thf(1188,plain,
    ! [A: '$world'] :
      ( ~ ( sk8 @ ( '$local_world' @ '$exists_in_world_$i' ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | sk1 ),
    inference(pattern_uni,[status(thm)],[1187:[bind(A,$thf( A )),bind(B,$thf( sk8 ))]]) ).

thf(5732,plain,
    ! [A: '$world'] :
      ( ~ $true
      | ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) )
      | $false ),
    inference(rewrite,[status(thm)],[1188,5424,5334]) ).

thf(5733,plain,
    ! [A: '$world'] :
      ( ( A @ sk6 @ ( A @ p ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[5732]) ).

thf(5745,plain,
    ! [A: '$world'] :
      ( ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( A @ sk6 @ ( A @ p ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[5418,5733]) ).

thf(5746,plain,
    ! [A: '$world'] :
      ( ( ( sk9 @ ( '$local_world' @ '$accessible_world' ) )
       != ( A @ ( '$local_world' @ '$accessible_world' ) ) )
      | ( A @ sk6 @ ( A @ p ) ) ),
    inference(simp,[status(thm)],[5745]) ).

thf(5747,plain,
    sk9 @ sk6 @ ( sk9 @ p ),
    inference(pattern_uni,[status(thm)],[5746:[bind(A,$thf( sk9 ))]]) ).

thf(5403,plain,
    ! [A: $i] :
      ( ~ ( A @ ( sk9 @ p ) )
      | ~ ( A @ ( sk9 @ '$exists_in_world_$i' ) )
      | $false ),
    inference(rewrite,[status(thm)],[24,5334]) ).

thf(5404,plain,
    ! [A: $i] :
      ( ~ ( A @ ( sk9 @ p ) )
      | ~ ( A @ ( sk9 @ '$exists_in_world_$i' ) ) ),
    inference(simp,[status(thm)],[5403]) ).

thf(5756,plain,
    ! [A: $i] :
      ( ( ( sk9 @ sk6 @ ( sk9 @ p ) )
       != ( A @ ( sk9 @ p ) ) )
      | ~ $true
      | ~ ( A @ ( sk9 @ '$exists_in_world_$i' ) ) ),
    inference(paramod_ordered,[status(thm)],[5747,5404]) ).

thf(5757,plain,
    ! [A: $i] :
      ( ( ( sk9 @ sk6 @ ( sk9 @ p ) )
       != ( A @ ( sk9 @ p ) ) )
      | ~ ( A @ ( sk9 @ '$exists_in_world_$i' ) ) ),
    inference(simp,[status(thm)],[5756]) ).

thf(5758,plain,
    ~ ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) ),
    inference(pattern_uni,[status(thm)],[5757:[bind(A,$thf( sk9 @ sk6 ))]]) ).

thf(5857,plain,
    ! [A: '$world'] :
      ( ( ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
       != ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) ) )
      | ~ $true
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(paramod_ordered,[status(thm)],[5845,5758]) ).

thf(5858,plain,
    ! [A: '$world'] :
      ( ( ( A @ sk6 @ ( A @ '$exists_in_world_$i' ) )
       != ( sk9 @ sk6 @ ( sk9 @ '$exists_in_world_$i' ) ) )
      | ~ ( A @ ( '$local_world' @ '$accessible_world' ) ) ),
    inference(simp,[status(thm)],[5857]) ).

thf(5859,plain,
    ~ ( sk9 @ ( '$local_world' @ '$accessible_world' ) ),
    inference(pattern_uni,[status(thm)],[5858:[bind(A,$thf( sk9 ))]]) ).

thf(5876,plain,
    ~ $true,
    inference(rewrite,[status(thm)],[5859,5418]) ).

thf(5877,plain,
    $false,
    inference(simp,[status(thm)],[5876]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SYO955_1 : TPTP v9.3.1. Released v9.1.0.
% 0.00/0.08  % 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
% 0.17/0.41  % Computer : n015.cluster.edu
% 0.17/0.41  % Model    : x86_64 x86_64
% 0.17/0.41  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.41  % Memory   : 8046.5625MB
% 0.17/0.41  % OS       : Linux 6.8.0-71-generic
% 0.17/0.41  % CPULimit : 300
% 0.17/0.41  % WCLimit  : 300
% 0.17/0.41  % DateTime : Sat Sep 26 20:23:15 UTC 2026
% 0.17/0.42  % CPUTime  : 
% 0.17/0.42  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
% 0.83/0.98  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.19/1.15  % [INFO] 	 Parsing done (167ms). 
% 1.19/1.17  % [INFO] 	 Input problem is non-classical (logic $modal). Running HOL transformation from semantics specification contained in the problem file ... 
% 1.19/1.19  %%% First-order logic specification detected, trying modal-logic-to-TXF embedding (redirected from embedding '$$modal' to embedding '$$fomlModel' version 1.3.7) ... Use flag -p FORCE_HIGHERORDER if you want to have THF output instead.
% 1.30/1.29  % [INFO] 	 Running in sequential loop mode. 
% 1.84/1.67  % [INFO] 	 eprover registered as external prover. 
% 1.84/1.68  % [INFO] 	 Scanning for conjecture ... 
% 2.03/1.77  % [INFO] 	 Found a conjecture (or negated_conjecture) and 1 axioms. Running axiom selection ... 
% 2.18/1.81  % [INFO] 	 Axiom selection finished. Selected 1 axioms (removed 0 axioms). 
% 2.18/1.82  % [INFO] 	 Problem is typed first-order (TPTP TFF). 
% 2.18/1.82  % [INFO] 	 Type checking passed. 
% 2.18/1.82  % [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 ... 
% 20.42/5.49  % [INFO] 	 Killing All external provers ... 
% 20.42/5.50  % Time passed: 4933ms (effective reasoning time: 4192ms)
% 20.42/5.50  % 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)>
% 20.42/5.50  % Axioms used in derivation (0): 
% 20.42/5.50  % No. of inferences in proof: 124
% 15.77/5.50  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 4933 ms resp. 4192 ms w/o parsing
% 15.77/5.57  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 15.77/5.57  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------