TSTP Solution File: LCL958^18 by Lash---1.13

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : LCL958^18 : TPTP v8.1.2. Released v8.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : lash -P picomus -M modes -p tstp -t %d %s

% Computer : n018.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 08:06:05 EDT 2023

% Result   : Theorem 1.57s 1.76s
% Output   : Proof 1.57s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :  103
% Syntax   : Number of formulae    :  116 (  29 unt;  14 typ;  18 def)
%            Number of atoms       :  366 (  18 equ;   1 cnn)
%            Maximal formula atoms :   11 (   3 avg)
%            Number of connectives :  748 (  86   ~;  41   |;   3   &; 419   @)
%                                         (  39 <=>; 160  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   4 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :   26 (  26   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   66 (  63 usr;  61 con; 0-2 aty)
%            Number of variables   :  149 (  37   ^; 110   !;   2   ?; 149   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_mworld,type,
    mworld: $tType ).

thf(ty_mrel,type,
    mrel: mworld > mworld > $o ).

thf(ty_eigen__25,type,
    eigen__25: mworld ).

thf(ty_eigen__24,type,
    eigen__24: $i ).

thf(ty_eigen__11,type,
    eigen__11: mworld ).

thf(ty_eigen__23,type,
    eigen__23: mworld ).

thf(ty_eigen__0,type,
    eigen__0: $i ).

thf(ty_eigen__9,type,
    eigen__9: mworld ).

thf(ty_eigen__7,type,
    eigen__7: mworld ).

thf(ty_big_p,type,
    big_p: $i > mworld > $o ).

thf(ty_mactual,type,
    mactual: mworld ).

thf(ty_eiw_di,type,
    eiw_di: $i > mworld > $o ).

thf(ty_big_q,type,
    big_q: $i > mworld > $o ).

thf(ty_eigen__8,type,
    eigen__8: $i ).

thf(h0,assumption,
    ! [X1: mworld > $o,X2: mworld] :
      ( ( X1 @ X2 )
     => ( X1 @ ( eps__0 @ X1 ) ) ),
    introduced(assumption,[]) ).

thf(eigendef_eigen__11,definition,
    ( eigen__11
    = ( eps__0
      @ ^ [X1: mworld] :
          ~ ( ( mrel @ eigen__9 @ X1 )
           => ( big_p @ eigen__8 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__11])]) ).

thf(h1,assumption,
    ! [X1: $i > $o,X2: $i] :
      ( ( X1 @ X2 )
     => ( X1 @ ( eps__1 @ X1 ) ) ),
    introduced(assumption,[]) ).

thf(eigendef_eigen__0,definition,
    ( eigen__0
    = ( eps__1
      @ ^ [X1: $i] :
          ~ ~ ( eiw_di @ X1 @ mactual ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__0])]) ).

thf(eigendef_eigen__8,definition,
    ( eigen__8
    = ( eps__1
      @ ^ [X1: $i] :
          ~ ( ( eiw_di @ X1 @ eigen__7 )
           => ! [X2: mworld] :
                ( ( mrel @ eigen__7 @ X2 )
               => ( ! [X3: mworld] :
                      ( ( mrel @ X2 @ X3 )
                     => ( big_p @ eigen__0 @ X3 ) )
                 => ( ~ ! [X3: mworld] :
                          ( ( mrel @ X2 @ X3 )
                         => ( big_q @ eigen__0 @ X3 ) )
                   => ! [X3: mworld] :
                        ( ( mrel @ X2 @ X3 )
                       => ( big_p @ X1 @ X3 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__8])]) ).

thf(eigendef_eigen__23,definition,
    ( eigen__23
    = ( eps__0
      @ ^ [X1: mworld] :
          ~ ( ( mrel @ mactual @ X1 )
           => ! [X2: $i] :
                ( ( eiw_di @ X2 @ X1 )
               => ! [X3: mworld] :
                    ( ( mrel @ X1 @ X3 )
                   => ( ! [X4: mworld] :
                          ( ( mrel @ X3 @ X4 )
                         => ( big_p @ eigen__8 @ X4 ) )
                     => ( ~ ! [X4: mworld] :
                              ( ( mrel @ X3 @ X4 )
                             => ( big_q @ eigen__8 @ X4 ) )
                       => ! [X4: mworld] :
                            ( ( mrel @ X3 @ X4 )
                           => ( big_p @ X2 @ X4 ) ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__23])]) ).

thf(eigendef_eigen__9,definition,
    ( eigen__9
    = ( eps__0
      @ ^ [X1: mworld] :
          ~ ( ( mrel @ eigen__7 @ X1 )
           => ( ! [X2: mworld] :
                  ( ( mrel @ X1 @ X2 )
                 => ( big_p @ eigen__0 @ X2 ) )
             => ( ~ ! [X2: mworld] :
                      ( ( mrel @ X1 @ X2 )
                     => ( big_q @ eigen__0 @ X2 ) )
               => ! [X2: mworld] :
                    ( ( mrel @ X1 @ X2 )
                   => ( big_p @ eigen__8 @ X2 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__9])]) ).

thf(eigendef_eigen__25,definition,
    ( eigen__25
    = ( eps__0
      @ ^ [X1: mworld] :
          ~ ( ( mrel @ eigen__23 @ X1 )
           => ( ! [X2: mworld] :
                  ( ( mrel @ X1 @ X2 )
                 => ( big_p @ eigen__8 @ X2 ) )
             => ( ~ ! [X2: mworld] :
                      ( ( mrel @ X1 @ X2 )
                     => ( big_q @ eigen__8 @ X2 ) )
               => ! [X2: mworld] :
                    ( ( mrel @ X1 @ X2 )
                   => ( big_p @ eigen__24 @ X2 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__25])]) ).

thf(eigendef_eigen__7,definition,
    ( eigen__7
    = ( eps__0
      @ ^ [X1: mworld] :
          ~ ( ( mrel @ mactual @ X1 )
           => ! [X2: $i] :
                ( ( eiw_di @ X2 @ X1 )
               => ! [X3: mworld] :
                    ( ( mrel @ X1 @ X3 )
                   => ( ! [X4: mworld] :
                          ( ( mrel @ X3 @ X4 )
                         => ( big_p @ eigen__0 @ X4 ) )
                     => ( ~ ! [X4: mworld] :
                              ( ( mrel @ X3 @ X4 )
                             => ( big_q @ eigen__0 @ X4 ) )
                       => ! [X4: mworld] :
                            ( ( mrel @ X3 @ X4 )
                           => ( big_p @ X2 @ X4 ) ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__7])]) ).

thf(eigendef_eigen__24,definition,
    ( eigen__24
    = ( eps__1
      @ ^ [X1: $i] :
          ~ ( ( eiw_di @ X1 @ eigen__23 )
           => ! [X2: mworld] :
                ( ( mrel @ eigen__23 @ X2 )
               => ( ! [X3: mworld] :
                      ( ( mrel @ X2 @ X3 )
                     => ( big_p @ eigen__8 @ X3 ) )
                 => ( ~ ! [X3: mworld] :
                          ( ( mrel @ X2 @ X3 )
                         => ( big_q @ eigen__8 @ X3 ) )
                   => ! [X3: mworld] :
                        ( ( mrel @ X2 @ X3 )
                       => ( big_p @ X1 @ X3 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__24])]) ).

thf(sP1,plain,
    ( sP1
  <=> ! [X1: mworld] :
        ~ ! [X2: $i] :
            ~ ( eiw_di @ X2 @ X1 ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( ! [X1: mworld] :
          ( ( mrel @ eigen__25 @ X1 )
         => ( big_p @ eigen__8 @ X1 ) )
     => ( ~ ! [X1: mworld] :
              ( ( mrel @ eigen__25 @ X1 )
             => ( big_q @ eigen__8 @ X1 ) )
       => ! [X1: mworld] :
            ( ( mrel @ eigen__25 @ X1 )
           => ( big_p @ eigen__24 @ X1 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ! [X1: mworld] : ( mrel @ eigen__25 @ X1 ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( ( eiw_di @ eigen__24 @ eigen__23 )
     => ! [X1: mworld] :
          ( ( mrel @ eigen__23 @ X1 )
         => ( ! [X2: mworld] :
                ( ( mrel @ X1 @ X2 )
               => ( big_p @ eigen__8 @ X2 ) )
           => ( ~ ! [X2: mworld] :
                    ( ( mrel @ X1 @ X2 )
                   => ( big_q @ eigen__8 @ X2 ) )
             => ! [X2: mworld] :
                  ( ( mrel @ X1 @ X2 )
                 => ( big_p @ eigen__24 @ X2 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ( ( mrel @ mactual @ eigen__7 )
     => ! [X1: $i] :
          ( ( eiw_di @ X1 @ eigen__7 )
         => ! [X2: mworld] :
              ( ( mrel @ eigen__7 @ X2 )
             => ( ! [X3: mworld] :
                    ( ( mrel @ X2 @ X3 )
                   => ( big_p @ eigen__0 @ X3 ) )
               => ( ~ ! [X3: mworld] :
                        ( ( mrel @ X2 @ X3 )
                       => ( big_q @ eigen__0 @ X3 ) )
                 => ! [X3: mworld] :
                      ( ( mrel @ X2 @ X3 )
                     => ( big_p @ X1 @ X3 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ! [X1: mworld,X2: $i] :
        ( ~ ( ( eiw_di @ X2 @ eigen__7 )
           => ~ ( mrel @ eigen__7 @ X1 ) )
       => ( eiw_di @ X2 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( big_p @ eigen__8 @ eigen__11 ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ! [X1: mworld] :
        ( ( mrel @ eigen__7 @ X1 )
       => ( ! [X2: mworld] :
              ( ( mrel @ X1 @ X2 )
             => ( big_p @ eigen__0 @ X2 ) )
         => ( ~ ! [X2: mworld] :
                  ( ( mrel @ X1 @ X2 )
                 => ( big_q @ eigen__0 @ X2 ) )
           => ! [X2: mworld] :
                ( ( mrel @ X1 @ X2 )
               => ( big_p @ eigen__8 @ X2 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ( ( eiw_di @ eigen__8 @ mactual )
     => ~ ! [X1: mworld] :
            ( ( mrel @ mactual @ X1 )
           => ! [X2: $i] :
                ( ( eiw_di @ X2 @ X1 )
               => ! [X3: mworld] :
                    ( ( mrel @ X1 @ X3 )
                   => ( ! [X4: mworld] :
                          ( ( mrel @ X3 @ X4 )
                         => ( big_p @ eigen__8 @ X4 ) )
                     => ( ~ ! [X4: mworld] :
                              ( ( mrel @ X3 @ X4 )
                             => ( big_q @ eigen__8 @ X4 ) )
                       => ! [X4: mworld] :
                            ( ( mrel @ X3 @ X4 )
                           => ( big_p @ X2 @ X4 ) ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( ! [X1: mworld] :
          ( ( mrel @ eigen__9 @ X1 )
         => ( big_p @ eigen__0 @ X1 ) )
     => ( ~ ! [X1: mworld] :
              ( ( mrel @ eigen__9 @ X1 )
             => ( big_q @ eigen__0 @ X1 ) )
       => ! [X1: mworld] :
            ( ( mrel @ eigen__9 @ X1 )
           => ( big_p @ eigen__8 @ X1 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ! [X1: mworld] : ( mrel @ eigen__7 @ X1 ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ! [X1: $i] :
        ~ ( eiw_di @ X1 @ mactual ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ( mrel @ eigen__7 @ mactual ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ( ( mrel @ eigen__7 @ eigen__9 )
     => sP10 ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ( ( mrel @ mactual @ eigen__23 )
     => ! [X1: $i] :
          ( ( eiw_di @ X1 @ eigen__23 )
         => ! [X2: mworld] :
              ( ( mrel @ eigen__23 @ X2 )
             => ( ! [X3: mworld] :
                    ( ( mrel @ X2 @ X3 )
                   => ( big_p @ eigen__8 @ X3 ) )
               => ( ~ ! [X3: mworld] :
                        ( ( mrel @ X2 @ X3 )
                       => ( big_q @ eigen__8 @ X3 ) )
                 => ! [X3: mworld] :
                      ( ( mrel @ X2 @ X3 )
                     => ( big_p @ X1 @ X3 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ! [X1: mworld] :
        ( ( mrel @ eigen__23 @ X1 )
       => ( ! [X2: mworld] :
              ( ( mrel @ X1 @ X2 )
             => ( big_p @ eigen__8 @ X2 ) )
         => ( ~ ! [X2: mworld] :
                  ( ( mrel @ X1 @ X2 )
                 => ( big_q @ eigen__8 @ X2 ) )
           => ! [X2: mworld] :
                ( ( mrel @ X1 @ X2 )
               => ( big_p @ eigen__24 @ X2 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ! [X1: $i] :
        ( ( eiw_di @ X1 @ eigen__7 )
       => ! [X2: mworld] :
            ( ( mrel @ eigen__7 @ X2 )
           => ( ! [X3: mworld] :
                  ( ( mrel @ X2 @ X3 )
                 => ( big_p @ eigen__0 @ X3 ) )
             => ( ~ ! [X3: mworld] :
                      ( ( mrel @ X2 @ X3 )
                     => ( big_q @ eigen__0 @ X3 ) )
               => ! [X3: mworld] :
                    ( ( mrel @ X2 @ X3 )
                   => ( big_p @ X1 @ X3 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(sP18,plain,
    ( sP18
  <=> ! [X1: mworld] :
        ( ( mrel @ mactual @ X1 )
       => ! [X2: $i] :
            ( ( eiw_di @ X2 @ X1 )
           => ! [X3: mworld] :
                ( ( mrel @ X1 @ X3 )
               => ( ! [X4: mworld] :
                      ( ( mrel @ X3 @ X4 )
                     => ( big_p @ eigen__8 @ X4 ) )
                 => ( ~ ! [X4: mworld] :
                          ( ( mrel @ X3 @ X4 )
                         => ( big_q @ eigen__8 @ X4 ) )
                   => ! [X4: mworld] :
                        ( ( mrel @ X3 @ X4 )
                       => ( big_p @ X2 @ X4 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP18])]) ).

thf(sP19,plain,
    ( sP19
  <=> ( ( mrel @ eigen__23 @ eigen__25 )
     => sP2 ) ),
    introduced(definition,[new_symbols(definition,[sP19])]) ).

thf(sP20,plain,
    ( sP20
  <=> ( ~ ! [X1: mworld] :
            ( ( mrel @ eigen__9 @ X1 )
           => ( big_q @ eigen__0 @ X1 ) )
     => ! [X1: mworld] :
          ( ( mrel @ eigen__9 @ X1 )
         => ( big_p @ eigen__8 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP20])]) ).

thf(sP21,plain,
    ( sP21
  <=> ( eiw_di @ eigen__0 @ mactual ) ),
    introduced(definition,[new_symbols(definition,[sP21])]) ).

thf(sP22,plain,
    ( sP22
  <=> ! [X1: mworld] :
        ( ( mrel @ eigen__9 @ X1 )
       => ( big_p @ eigen__8 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP22])]) ).

thf(sP23,plain,
    ( sP23
  <=> ( eiw_di @ eigen__8 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP23])]) ).

thf(sP24,plain,
    ( sP24
  <=> ( sP23
     => ~ sP13 ) ),
    introduced(definition,[new_symbols(definition,[sP24])]) ).

thf(sP25,plain,
    ( sP25
  <=> ! [X1: mworld,X2: mworld,X3: $i] :
        ( ~ ( ( eiw_di @ X3 @ X1 )
           => ~ ( mrel @ X1 @ X2 ) )
       => ( eiw_di @ X3 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP25])]) ).

thf(sP26,plain,
    ( sP26
  <=> ( mrel @ eigen__25 @ eigen__11 ) ),
    introduced(definition,[new_symbols(definition,[sP26])]) ).

thf(sP27,plain,
    ( sP27
  <=> ( ( mrel @ eigen__9 @ eigen__11 )
     => sP7 ) ),
    introduced(definition,[new_symbols(definition,[sP27])]) ).

thf(sP28,plain,
    ( sP28
  <=> ! [X1: mworld,X2: mworld] : ( mrel @ X1 @ X2 ) ),
    introduced(definition,[new_symbols(definition,[sP28])]) ).

thf(sP29,plain,
    ( sP29
  <=> ( sP26
     => sP7 ) ),
    introduced(definition,[new_symbols(definition,[sP29])]) ).

thf(sP30,plain,
    ( sP30
  <=> ( eiw_di @ eigen__8 @ mactual ) ),
    introduced(definition,[new_symbols(definition,[sP30])]) ).

thf(sP31,plain,
    ( sP31
  <=> ( sP23
     => sP8 ) ),
    introduced(definition,[new_symbols(definition,[sP31])]) ).

thf(sP32,plain,
    ( sP32
  <=> ! [X1: $i] :
        ( ~ ( ( eiw_di @ X1 @ eigen__7 )
           => ~ sP13 )
       => ( eiw_di @ X1 @ mactual ) ) ),
    introduced(definition,[new_symbols(definition,[sP32])]) ).

thf(sP33,plain,
    ( sP33
  <=> ! [X1: mworld] :
        ( ( mrel @ eigen__25 @ X1 )
       => ( big_p @ eigen__8 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP33])]) ).

thf(sP34,plain,
    ( sP34
  <=> ! [X1: $i] :
        ( ( eiw_di @ X1 @ eigen__23 )
       => ! [X2: mworld] :
            ( ( mrel @ eigen__23 @ X2 )
           => ( ! [X3: mworld] :
                  ( ( mrel @ X2 @ X3 )
                 => ( big_p @ eigen__8 @ X3 ) )
             => ( ~ ! [X3: mworld] :
                      ( ( mrel @ X2 @ X3 )
                     => ( big_q @ eigen__8 @ X3 ) )
               => ! [X3: mworld] :
                    ( ( mrel @ X2 @ X3 )
                   => ( big_p @ X1 @ X3 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP34])]) ).

thf(sP35,plain,
    ( sP35
  <=> ( ~ sP24
     => sP30 ) ),
    introduced(definition,[new_symbols(definition,[sP35])]) ).

thf(sP36,plain,
    ( sP36
  <=> ! [X1: $i] :
        ( ( eiw_di @ X1 @ mactual )
       => ~ ! [X2: mworld] :
              ( ( mrel @ mactual @ X2 )
             => ! [X3: $i] :
                  ( ( eiw_di @ X3 @ X2 )
                 => ! [X4: mworld] :
                      ( ( mrel @ X2 @ X4 )
                     => ( ! [X5: mworld] :
                            ( ( mrel @ X4 @ X5 )
                           => ( big_p @ X1 @ X5 ) )
                       => ( ~ ! [X5: mworld] :
                                ( ( mrel @ X4 @ X5 )
                               => ( big_q @ X1 @ X5 ) )
                         => ! [X5: mworld] :
                              ( ( mrel @ X4 @ X5 )
                             => ( big_p @ X3 @ X5 ) ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP36])]) ).

thf(sP37,plain,
    ( sP37
  <=> ! [X1: mworld] :
        ( ( mrel @ mactual @ X1 )
       => ! [X2: $i] :
            ( ( eiw_di @ X2 @ X1 )
           => ! [X3: mworld] :
                ( ( mrel @ X1 @ X3 )
               => ( ! [X4: mworld] :
                      ( ( mrel @ X3 @ X4 )
                     => ( big_p @ eigen__0 @ X4 ) )
                 => ( ~ ! [X4: mworld] :
                          ( ( mrel @ X3 @ X4 )
                         => ( big_q @ eigen__0 @ X4 ) )
                   => ! [X4: mworld] :
                        ( ( mrel @ X3 @ X4 )
                       => ( big_p @ X2 @ X4 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP37])]) ).

thf(sP38,plain,
    ( sP38
  <=> ( sP21
     => ~ sP37 ) ),
    introduced(definition,[new_symbols(definition,[sP38])]) ).

thf(def_mlocal,definition,
    ( mlocal
    = ( ^ [X1: mworld > $o] : ( X1 @ mactual ) ) ) ).

thf(def_mnot,definition,
    ( mnot
    = ( ^ [X1: mworld > $o,X2: mworld] : ( (~) @ ( X1 @ X2 ) ) ) ) ).

thf(def_mand,definition,
    ( mand
    = ( ^ [X1: mworld > $o,X2: mworld > $o,X3: mworld] :
          ( ( X1 @ X3 )
          & ( X2 @ X3 ) ) ) ) ).

thf(def_mor,definition,
    ( mor
    = ( ^ [X1: mworld > $o,X2: mworld > $o,X3: mworld] :
          ( ( X1 @ X3 )
          | ( X2 @ X3 ) ) ) ) ).

thf(def_mimplies,definition,
    ( mimplies
    = ( ^ [X1: mworld > $o,X2: mworld > $o,X3: mworld] :
          ( ^ [X4: $o,X5: $o] :
              ( X4
             => X5 )
          @ ( X1 @ X3 )
          @ ( X2 @ X3 ) ) ) ) ).

thf(def_mequiv,definition,
    ( mequiv
    = ( ^ [X1: mworld > $o,X2: mworld > $o,X3: mworld] :
          ( ( X1 @ X3 )
        <=> ( X2 @ X3 ) ) ) ) ).

thf(def_mbox,definition,
    ( mbox
    = ( ^ [X1: mworld > $o,X2: mworld] :
        ! [X3: mworld] :
          ( ^ [X4: $o,X5: $o] :
              ( X4
             => X5 )
          @ ( mrel @ X2 @ X3 )
          @ ( X1 @ X3 ) ) ) ) ).

thf(def_mdia,definition,
    ( mdia
    = ( ^ [X1: mworld > $o,X2: mworld] :
        ? [X3: mworld] :
          ( ( mrel @ X2 @ X3 )
          & ( X1 @ X3 ) ) ) ) ).

thf(def_mforall_di,definition,
    ( mforall_di
    = ( ^ [X1: $i > mworld > $o,X2: mworld] :
        ! [X3: $i] :
          ( ^ [X4: $o,X5: $o] :
              ( X4
             => X5 )
          @ ( eiw_di @ X3 @ X2 )
          @ ( X1 @ X3 @ X2 ) ) ) ) ).

thf(def_mexists_di,definition,
    ( mexists_di
    = ( ^ [X1: $i > mworld > $o,X2: mworld] :
        ? [X3: $i] :
          ( ( eiw_di @ X3 @ X2 )
          & ( X1 @ X3 @ X2 ) ) ) ) ).

thf(x2137,conjecture,
    ~ sP36 ).

thf(h2,negated_conjecture,
    sP36,
    inference(assume_negation,[status(cth)],[x2137]) ).

thf(1,plain,
    ( ~ sP3
    | sP26 ),
    inference(all_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP28
    | sP3 ),
    inference(all_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP29
    | ~ sP26
    | sP7 ),
    inference(prop_rule,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP33
    | sP29 ),
    inference(all_rule,[status(thm)],]) ).

thf(5,plain,
    ( sP2
    | sP33 ),
    inference(prop_rule,[status(thm)],]) ).

thf(6,plain,
    ( sP19
    | ~ sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(7,plain,
    ( sP16
    | ~ sP19 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__25]) ).

thf(8,plain,
    ( sP4
    | ~ sP16 ),
    inference(prop_rule,[status(thm)],]) ).

thf(9,plain,
    ( sP34
    | ~ sP4 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__24]) ).

thf(10,plain,
    ( sP15
    | ~ sP34 ),
    inference(prop_rule,[status(thm)],]) ).

thf(11,plain,
    ( sP18
    | ~ sP15 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__23]) ).

thf(12,plain,
    ( ~ sP9
    | ~ sP30
    | ~ sP18 ),
    inference(prop_rule,[status(thm)],]) ).

thf(13,plain,
    ( ~ sP24
    | ~ sP23
    | ~ sP13 ),
    inference(prop_rule,[status(thm)],]) ).

thf(14,plain,
    ( ~ sP35
    | sP24
    | sP30 ),
    inference(prop_rule,[status(thm)],]) ).

thf(15,plain,
    ( ~ sP36
    | sP9 ),
    inference(all_rule,[status(thm)],]) ).

thf(16,plain,
    ( ~ sP32
    | sP35 ),
    inference(all_rule,[status(thm)],]) ).

thf(17,plain,
    ( ~ sP6
    | sP32 ),
    inference(all_rule,[status(thm)],]) ).

thf(18,plain,
    ( ~ sP11
    | sP13 ),
    inference(all_rule,[status(thm)],]) ).

thf(19,plain,
    ( ~ sP28
    | sP11 ),
    inference(all_rule,[status(thm)],]) ).

thf(20,plain,
    ( ~ sP25
    | sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(21,plain,
    ( sP27
    | ~ sP7 ),
    inference(prop_rule,[status(thm)],]) ).

thf(22,plain,
    ( sP22
    | ~ sP27 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__11]) ).

thf(23,plain,
    ( sP20
    | ~ sP22 ),
    inference(prop_rule,[status(thm)],]) ).

thf(24,plain,
    ( sP10
    | ~ sP20 ),
    inference(prop_rule,[status(thm)],]) ).

thf(25,plain,
    ( sP14
    | ~ sP10 ),
    inference(prop_rule,[status(thm)],]) ).

thf(26,plain,
    ( sP8
    | ~ sP14 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__9]) ).

thf(27,plain,
    ( sP31
    | ~ sP8 ),
    inference(prop_rule,[status(thm)],]) ).

thf(28,plain,
    ( sP31
    | sP23 ),
    inference(prop_rule,[status(thm)],]) ).

thf(29,plain,
    ( sP17
    | ~ sP31 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__8]) ).

thf(30,plain,
    ( sP5
    | ~ sP17 ),
    inference(prop_rule,[status(thm)],]) ).

thf(31,plain,
    ( sP37
    | ~ sP5 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__7]) ).

thf(32,plain,
    ( ~ sP38
    | ~ sP21
    | ~ sP37 ),
    inference(prop_rule,[status(thm)],]) ).

thf(33,plain,
    ( ~ sP36
    | sP38 ),
    inference(all_rule,[status(thm)],]) ).

thf(34,plain,
    ( sP12
    | sP21 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__0]) ).

thf(35,plain,
    ( ~ sP1
    | ~ sP12 ),
    inference(all_rule,[status(thm)],]) ).

thf(eiw_di_cumul,axiom,
    sP25 ).

thf(eiw_di_nonempty,axiom,
    sP1 ).

thf(mrel_universal,axiom,
    sP28 ).

thf(36,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,h2,eiw_di_cumul,eiw_di_nonempty,mrel_universal]) ).

thf(37,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h2,h0]),eigenvar_choice(discharge,[h1])],[36,h1]) ).

thf(38,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h2]),eigenvar_choice(discharge,[h0])],[37,h0]) ).

thf(0,theorem,
    ~ sP36,
    inference(contra,[status(thm),contra(discharge,[h2])],[36,h2]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL958^18 : TPTP v8.1.2. Released v8.1.0.
% 0.00/0.13  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.13/0.34  % Computer : n018.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Fri Aug 25 07:29:58 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 1.57/1.76  % SZS status Theorem
% 1.57/1.76  % Mode: cade22grackle2xfee4
% 1.57/1.76  % Steps: 11411
% 1.57/1.76  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------