TSTP Solution File: SEU468^1 by Satallax---3.5

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%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : SEU468^1 : TPTP v8.1.0. Released v3.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s

% Computer : n012.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  : 600s
% DateTime : Tue Jul 19 13:52:19 EDT 2022

% Result   : Theorem 0.14s 0.39s
% Output   : Proof 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   81
% Syntax   : Number of formulae    :   96 (  49 unt;   7 typ;  31 def)
%            Number of atoms       :  214 (  35 equ;   0 cnn)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  747 ( 141   ~;  17   |;   0   &; 415   @)
%                                         (  17 <=>; 156  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  136 ( 136   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   57 (  54 usr;  53 con; 0-2 aty)
%                                         (   1  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  237 (  45   ^ 192   !;   0   ?; 237   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_eigen__2,type,
    eigen__2: $i ).

thf(ty_eigen__7,type,
    eigen__7: $i ).

thf(ty_eigen__1,type,
    eigen__1: $i > $i > $o ).

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

thf(ty_eigen__4,type,
    eigen__4: $i > $i > $o ).

thf(ty_eigen__5,type,
    eigen__5: $i ).

thf(ty_eigen__3,type,
    eigen__3: $i ).

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

thf(eigendef_eigen__7,definition,
    ( eigen__7
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( eigen__0 @ eigen__5 @ X1 )
           => ( eigen__4 @ eigen__5 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__7])]) ).

thf(eigendef_eigen__5,definition,
    ( eigen__5
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ! [X2: $i] :
              ( ( eigen__0 @ X1 @ X2 )
             => ( eigen__4 @ X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__5])]) ).

thf(sP1,plain,
    ( sP1
  <=> ( ( eigen__0 @ eigen__5 @ eigen__7 )
     => ( eigen__4 @ eigen__5 @ eigen__7 ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ! [X1: $i,X2: $i] :
        ( ( eigen__1 @ X1 @ X2 )
       => ( eigen__4 @ X1 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ! [X1: $i] :
        ( ( eigen__1 @ eigen__5 @ X1 )
       => ( eigen__4 @ eigen__5 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( ! [X1: $i,X2: $i,X3: $i] :
          ( ~ ( ( eigen__4 @ X1 @ X2 )
             => ~ ( eigen__4 @ X2 @ X3 ) )
         => ( eigen__4 @ X1 @ X3 ) )
     => ~ ! [X1: $i,X2: $i] :
            ( ( eigen__0 @ X1 @ X2 )
           => ( eigen__4 @ X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: $i,X2: $i] :
        ( ( eigen__0 @ X1 @ X2 )
       => ( eigen__1 @ X1 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ( ( eigen__1 @ eigen__5 @ eigen__7 )
     => ( eigen__4 @ eigen__5 @ eigen__7 ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( eigen__0 @ eigen__5 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ! [X1: $i] :
        ( ( eigen__0 @ eigen__5 @ X1 )
       => ( eigen__1 @ eigen__5 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ! [X1: $i,X2: $i] :
        ( ( eigen__0 @ X1 @ X2 )
       => ( eigen__4 @ X1 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( ~ sP4
     => ( eigen__4 @ eigen__2 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ( sP7
     => ( eigen__1 @ eigen__5 @ eigen__7 ) ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ! [X1: $i,X2: $i,X3: $i] :
        ( ~ ( ( eigen__4 @ X1 @ X2 )
           => ~ ( eigen__4 @ X2 @ X3 ) )
       => ( eigen__4 @ X1 @ X3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ( eigen__4 @ eigen__5 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ( eigen__4 @ eigen__2 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ! [X1: $i > $i > $o] :
        ( ~ ( ! [X2: $i,X3: $i,X4: $i] :
                ( ~ ( ( X1 @ X2 @ X3 )
                   => ~ ( X1 @ X3 @ X4 ) )
               => ( X1 @ X2 @ X4 ) )
           => ~ ! [X2: $i,X3: $i] :
                  ( ( eigen__0 @ X2 @ X3 )
                 => ( X1 @ X2 @ X3 ) ) )
       => ( X1 @ eigen__2 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ( eigen__1 @ eigen__5 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ! [X1: $i] :
        ( ( eigen__0 @ eigen__5 @ X1 )
       => ( eigen__4 @ eigen__5 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(def_subrel,definition,
    ( subrel
    = ( ^ [X1: $i > $i > $o,X2: $i > $i > $o] :
        ! [X3: $i,X4: $i] :
          ( ( X1 @ X3 @ X4 )
         => ( X2 @ X3 @ X4 ) ) ) ) ).

thf(def_inv,definition,
    ( inv
    = ( ^ [X1: $i > $i > $o,X2: $i,X3: $i] : ( X1 @ X3 @ X2 ) ) ) ).

thf(def_idem,definition,
    ( idem
    = ( ^ [X1: ( $i > $i > $o ) > $i > $i > $o] :
        ! [X2: $i > $i > $o] :
          ( ( X1 @ ( X1 @ X2 ) )
          = ( X1 @ X2 ) ) ) ) ).

thf(def_infl,definition,
    ( infl
    = ( ^ [X1: ( $i > $i > $o ) > $i > $i > $o] :
        ! [X2: $i > $i > $o] : ( subrel @ X2 @ ( X1 @ X2 ) ) ) ) ).

thf(def_mono,definition,
    ( mono
    = ( ^ [X1: ( $i > $i > $o ) > $i > $i > $o] :
        ! [X2: $i > $i > $o,X3: $i > $i > $o] :
          ( ( subrel @ X2 @ X3 )
         => ( subrel @ ( X1 @ X2 ) @ ( X1 @ X3 ) ) ) ) ) ).

thf(def_refl,definition,
    ( refl
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i] : ( X1 @ X2 @ X2 ) ) ) ).

thf(def_irrefl,definition,
    ( irrefl
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i] :
          ~ ( X1 @ X2 @ X2 ) ) ) ).

thf(def_rc,definition,
    ( rc
    = ( ^ [X1: $i > $i > $o,X2: $i,X3: $i] :
          ( ( X2 != X3 )
         => ( X1 @ X2 @ X3 ) ) ) ) ).

thf(def_symm,definition,
    ( symm
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i] :
          ( ( X1 @ X2 @ X3 )
         => ( X1 @ X3 @ X2 ) ) ) ) ).

thf(def_antisymm,definition,
    ( antisymm
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i] :
          ( ~ ( ( X1 @ X2 @ X3 )
             => ~ ( X1 @ X3 @ X2 ) )
         => ( X2 = X3 ) ) ) ) ).

thf(def_asymm,definition,
    ( asymm
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i] :
          ( ( X1 @ X2 @ X3 )
         => ~ ( X1 @ X3 @ X2 ) ) ) ) ).

thf(def_sc,definition,
    ( sc
    = ( ^ [X1: $i > $i > $o,X2: $i,X3: $i] :
          ( ~ ( X1 @ X3 @ X2 )
         => ( X1 @ X2 @ X3 ) ) ) ) ).

thf(def_trans,definition,
    ( trans
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i,X4: $i] :
          ( ~ ( ( X1 @ X2 @ X3 )
             => ~ ( X1 @ X3 @ X4 ) )
         => ( X1 @ X2 @ X4 ) ) ) ) ).

thf(def_tc,definition,
    ( tc
    = ( ^ [X1: $i > $i > $o,X2: $i,X3: $i] :
        ! [X4: $i > $i > $o] :
          ( ~ ( ( trans @ X4 )
             => ~ ( subrel @ X1 @ X4 ) )
         => ( X4 @ X2 @ X3 ) ) ) ) ).

thf(def_trc,definition,
    ( trc
    = ( ^ [X1: $i > $i > $o] : ( rc @ ( tc @ X1 ) ) ) ) ).

thf(def_trsc,definition,
    ( trsc
    = ( ^ [X1: $i > $i > $o] : ( sc @ ( rc @ ( tc @ X1 ) ) ) ) ) ).

thf(def_po,definition,
    ( po
    = ( ^ [X1: $i > $i > $o] :
          ~ ( ~ ( ( refl @ X1 )
               => ~ ( antisymm @ X1 ) )
           => ~ ( trans @ X1 ) ) ) ) ).

thf(def_so,definition,
    ( so
    = ( ^ [X1: $i > $i > $o] :
          ~ ( ( asymm @ X1 )
           => ~ ( trans @ X1 ) ) ) ) ).

thf(def_total,definition,
    ( total
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i] :
          ( ~ ( ( X2 != X3 )
             => ( X1 @ X2 @ X3 ) )
         => ( X1 @ X3 @ X2 ) ) ) ) ).

thf(def_term,definition,
    ( term
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i > $o] :
          ( ~ ! [X3: $i] :
                ~ ( X2 @ X3 )
         => ~ ! [X3: $i] :
                ( ( X2 @ X3 )
               => ~ ! [X4: $i] :
                      ( ( X2 @ X4 )
                     => ~ ( X1 @ X3 @ X4 ) ) ) ) ) ) ).

thf(def_ind,definition,
    ( ind
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i > $o] :
          ( ! [X3: $i] :
              ( ! [X4: $i] :
                  ( ( tc @ X1 @ X3 @ X4 )
                 => ( X2 @ X4 ) )
             => ( X2 @ X3 ) )
         => ( !! @ X2 ) ) ) ) ).

thf(def_innf,definition,
    ( innf
    = ( ^ [X1: $i > $i > $o,X2: $i] :
        ! [X3: $i] :
          ~ ( X1 @ X2 @ X3 ) ) ) ).

thf(def_nfof,definition,
    ( nfof
    = ( ^ [X1: $i > $i > $o,X2: $i,X3: $i] :
          ~ ( ( trc @ X1 @ X3 @ X2 )
           => ~ ( innf @ X1 @ X2 ) ) ) ) ).

thf(def_norm,definition,
    ( norm
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i] :
          ~ ! [X3: $i] :
              ~ ( nfof @ X1 @ X3 @ X2 ) ) ) ).

thf(def_join,definition,
    ( join
    = ( ^ [X1: $i > $i > $o,X2: $i,X3: $i] :
          ~ ! [X4: $i] :
              ( ( trc @ X1 @ X2 @ X4 )
             => ~ ( trc @ X1 @ X3 @ X4 ) ) ) ) ).

thf(def_lconfl,definition,
    ( lconfl
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i,X4: $i] :
          ( ~ ( ( X1 @ X2 @ X4 )
             => ~ ( X1 @ X2 @ X3 ) )
         => ( join @ X1 @ X4 @ X3 ) ) ) ) ).

thf(def_sconfl,definition,
    ( sconfl
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i,X4: $i] :
          ( ~ ( ( X1 @ X2 @ X4 )
             => ~ ( trc @ X1 @ X2 @ X3 ) )
         => ( join @ X1 @ X4 @ X3 ) ) ) ) ).

thf(def_confl,definition,
    ( confl
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i,X4: $i] :
          ( ~ ( ( trc @ X1 @ X2 @ X4 )
             => ~ ( trc @ X1 @ X2 @ X3 ) )
         => ( join @ X1 @ X4 @ X3 ) ) ) ) ).

thf(def_cr,definition,
    ( cr
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i] :
          ( ( trsc @ X1 @ X2 @ X3 )
         => ( join @ X1 @ X2 @ X3 ) ) ) ) ).

thf(transitive_closure_op_is_monotonic,conjecture,
    ! [X1: $i > $i > $o,X2: $i > $i > $o] :
      ( ! [X3: $i,X4: $i] :
          ( ( X1 @ X3 @ X4 )
         => ( X2 @ X3 @ X4 ) )
     => ! [X3: $i,X4: $i] :
          ( ! [X5: $i > $i > $o] :
              ( ~ ( ! [X6: $i,X7: $i,X8: $i] :
                      ( ~ ( ( X5 @ X6 @ X7 )
                         => ~ ( X5 @ X7 @ X8 ) )
                     => ( X5 @ X6 @ X8 ) )
                 => ~ ! [X6: $i,X7: $i] :
                        ( ( X1 @ X6 @ X7 )
                       => ( X5 @ X6 @ X7 ) ) )
             => ( X5 @ X3 @ X4 ) )
         => ! [X5: $i > $i > $o] :
              ( ~ ( ! [X6: $i,X7: $i,X8: $i] :
                      ( ~ ( ( X5 @ X6 @ X7 )
                         => ~ ( X5 @ X7 @ X8 ) )
                     => ( X5 @ X6 @ X8 ) )
                 => ~ ! [X6: $i,X7: $i] :
                        ( ( X2 @ X6 @ X7 )
                       => ( X5 @ X6 @ X7 ) ) )
             => ( X5 @ X3 @ X4 ) ) ) ) ).

thf(h1,negated_conjecture,
    ~ ! [X1: $i > $i > $o,X2: $i > $i > $o] :
        ( ! [X3: $i,X4: $i] :
            ( ( X1 @ X3 @ X4 )
           => ( X2 @ X3 @ X4 ) )
       => ! [X3: $i,X4: $i] :
            ( ! [X5: $i > $i > $o] :
                ( ~ ( ! [X6: $i,X7: $i,X8: $i] :
                        ( ~ ( ( X5 @ X6 @ X7 )
                           => ~ ( X5 @ X7 @ X8 ) )
                       => ( X5 @ X6 @ X8 ) )
                   => ~ ! [X6: $i,X7: $i] :
                          ( ( X1 @ X6 @ X7 )
                         => ( X5 @ X6 @ X7 ) ) )
               => ( X5 @ X3 @ X4 ) )
           => ! [X5: $i > $i > $o] :
                ( ~ ( ! [X6: $i,X7: $i,X8: $i] :
                        ( ~ ( ( X5 @ X6 @ X7 )
                           => ~ ( X5 @ X7 @ X8 ) )
                       => ( X5 @ X6 @ X8 ) )
                   => ~ ! [X6: $i,X7: $i] :
                          ( ( X2 @ X6 @ X7 )
                         => ( X5 @ X6 @ X7 ) ) )
               => ( X5 @ X3 @ X4 ) ) ) ),
    inference(assume_negation,[status(cth)],[transitive_closure_op_is_monotonic]) ).

thf(h2,assumption,
    ~ ! [X1: $i > $i > $o] :
        ( ! [X2: $i,X3: $i] :
            ( ( eigen__0 @ X2 @ X3 )
           => ( X1 @ X2 @ X3 ) )
       => ! [X2: $i,X3: $i] :
            ( ! [X4: $i > $i > $o] :
                ( ~ ( ! [X5: $i,X6: $i,X7: $i] :
                        ( ~ ( ( X4 @ X5 @ X6 )
                           => ~ ( X4 @ X6 @ X7 ) )
                       => ( X4 @ X5 @ X7 ) )
                   => ~ ! [X5: $i,X6: $i] :
                          ( ( eigen__0 @ X5 @ X6 )
                         => ( X4 @ X5 @ X6 ) ) )
               => ( X4 @ X2 @ X3 ) )
           => ! [X4: $i > $i > $o] :
                ( ~ ( ! [X5: $i,X6: $i,X7: $i] :
                        ( ~ ( ( X4 @ X5 @ X6 )
                           => ~ ( X4 @ X6 @ X7 ) )
                       => ( X4 @ X5 @ X7 ) )
                   => ~ ! [X5: $i,X6: $i] :
                          ( ( X1 @ X5 @ X6 )
                         => ( X4 @ X5 @ X6 ) ) )
               => ( X4 @ X2 @ X3 ) ) ) ),
    introduced(assumption,[]) ).

thf(h3,assumption,
    ~ ( sP5
     => ! [X1: $i,X2: $i] :
          ( ! [X3: $i > $i > $o] :
              ( ~ ( ! [X4: $i,X5: $i,X6: $i] :
                      ( ~ ( ( X3 @ X4 @ X5 )
                         => ~ ( X3 @ X5 @ X6 ) )
                     => ( X3 @ X4 @ X6 ) )
                 => ~ ! [X4: $i,X5: $i] :
                        ( ( eigen__0 @ X4 @ X5 )
                       => ( X3 @ X4 @ X5 ) ) )
             => ( X3 @ X1 @ X2 ) )
         => ! [X3: $i > $i > $o] :
              ( ~ ( ! [X4: $i,X5: $i,X6: $i] :
                      ( ~ ( ( X3 @ X4 @ X5 )
                         => ~ ( X3 @ X5 @ X6 ) )
                     => ( X3 @ X4 @ X6 ) )
                 => ~ ! [X4: $i,X5: $i] :
                        ( ( eigen__1 @ X4 @ X5 )
                       => ( X3 @ X4 @ X5 ) ) )
             => ( X3 @ X1 @ X2 ) ) ) ),
    introduced(assumption,[]) ).

thf(h4,assumption,
    sP5,
    introduced(assumption,[]) ).

thf(h5,assumption,
    ~ ! [X1: $i,X2: $i] :
        ( ! [X3: $i > $i > $o] :
            ( ~ ( ! [X4: $i,X5: $i,X6: $i] :
                    ( ~ ( ( X3 @ X4 @ X5 )
                       => ~ ( X3 @ X5 @ X6 ) )
                   => ( X3 @ X4 @ X6 ) )
               => ~ ! [X4: $i,X5: $i] :
                      ( ( eigen__0 @ X4 @ X5 )
                     => ( X3 @ X4 @ X5 ) ) )
           => ( X3 @ X1 @ X2 ) )
       => ! [X3: $i > $i > $o] :
            ( ~ ( ! [X4: $i,X5: $i,X6: $i] :
                    ( ~ ( ( X3 @ X4 @ X5 )
                       => ~ ( X3 @ X5 @ X6 ) )
                   => ( X3 @ X4 @ X6 ) )
               => ~ ! [X4: $i,X5: $i] :
                      ( ( eigen__1 @ X4 @ X5 )
                     => ( X3 @ X4 @ X5 ) ) )
           => ( X3 @ X1 @ X2 ) ) ),
    introduced(assumption,[]) ).

thf(h6,assumption,
    ~ ! [X1: $i] :
        ( ! [X2: $i > $i > $o] :
            ( ~ ( ! [X3: $i,X4: $i,X5: $i] :
                    ( ~ ( ( X2 @ X3 @ X4 )
                       => ~ ( X2 @ X4 @ X5 ) )
                   => ( X2 @ X3 @ X5 ) )
               => ~ ! [X3: $i,X4: $i] :
                      ( ( eigen__0 @ X3 @ X4 )
                     => ( X2 @ X3 @ X4 ) ) )
           => ( X2 @ eigen__2 @ X1 ) )
       => ! [X2: $i > $i > $o] :
            ( ~ ( ! [X3: $i,X4: $i,X5: $i] :
                    ( ~ ( ( X2 @ X3 @ X4 )
                       => ~ ( X2 @ X4 @ X5 ) )
                   => ( X2 @ X3 @ X5 ) )
               => ~ ! [X3: $i,X4: $i] :
                      ( ( eigen__1 @ X3 @ X4 )
                     => ( X2 @ X3 @ X4 ) ) )
           => ( X2 @ eigen__2 @ X1 ) ) ),
    introduced(assumption,[]) ).

thf(h7,assumption,
    ~ ( sP15
     => ! [X1: $i > $i > $o] :
          ( ~ ( ! [X2: $i,X3: $i,X4: $i] :
                  ( ~ ( ( X1 @ X2 @ X3 )
                     => ~ ( X1 @ X3 @ X4 ) )
                 => ( X1 @ X2 @ X4 ) )
             => ~ ! [X2: $i,X3: $i] :
                    ( ( eigen__1 @ X2 @ X3 )
                   => ( X1 @ X2 @ X3 ) ) )
         => ( X1 @ eigen__2 @ eigen__3 ) ) ),
    introduced(assumption,[]) ).

thf(h8,assumption,
    sP15,
    introduced(assumption,[]) ).

thf(h9,assumption,
    ~ ! [X1: $i > $i > $o] :
        ( ~ ( ! [X2: $i,X3: $i,X4: $i] :
                ( ~ ( ( X1 @ X2 @ X3 )
                   => ~ ( X1 @ X3 @ X4 ) )
               => ( X1 @ X2 @ X4 ) )
           => ~ ! [X2: $i,X3: $i] :
                  ( ( eigen__1 @ X2 @ X3 )
                 => ( X1 @ X2 @ X3 ) ) )
       => ( X1 @ eigen__2 @ eigen__3 ) ),
    introduced(assumption,[]) ).

thf(h10,assumption,
    ~ ( ~ ( sP12
         => ~ sP2 )
     => sP14 ),
    introduced(assumption,[]) ).

thf(h11,assumption,
    ~ ( sP12
     => ~ sP2 ),
    introduced(assumption,[]) ).

thf(h12,assumption,
    ~ sP14,
    introduced(assumption,[]) ).

thf(h13,assumption,
    sP12,
    introduced(assumption,[]) ).

thf(h14,assumption,
    sP2,
    introduced(assumption,[]) ).

thf(1,plain,
    ( ~ sP2
    | sP3 ),
    inference(all_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP3
    | sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP6
    | ~ sP16
    | sP13 ),
    inference(prop_rule,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP5
    | sP8 ),
    inference(all_rule,[status(thm)],]) ).

thf(5,plain,
    ( ~ sP8
    | sP11 ),
    inference(all_rule,[status(thm)],]) ).

thf(6,plain,
    ( ~ sP11
    | ~ sP7
    | sP16 ),
    inference(prop_rule,[status(thm)],]) ).

thf(7,plain,
    ( sP1
    | ~ sP13 ),
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    ( sP1
    | sP7 ),
    inference(prop_rule,[status(thm)],]) ).

thf(9,plain,
    ( sP17
    | ~ sP1 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__7]) ).

thf(10,plain,
    ( sP9
    | ~ sP17 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__5]) ).

thf(11,plain,
    ( ~ sP15
    | sP10 ),
    inference(all_rule,[status(thm)],]) ).

thf(12,plain,
    ( ~ sP10
    | sP4
    | sP14 ),
    inference(prop_rule,[status(thm)],]) ).

thf(13,plain,
    ( ~ sP4
    | ~ sP12
    | ~ sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(14,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h13,h14,h11,h12,h10,h8,h9,h7,h6,h4,h5,h3,h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,13,h4,h8,h13,h14,h12]) ).

thf(15,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h11,h12,h10,h8,h9,h7,h6,h4,h5,h3,h2,h1,h0]),tab_negimp(discharge,[h13,h14])],[h11,14,h13,h14]) ).

thf(16,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h10,h8,h9,h7,h6,h4,h5,h3,h2,h1,h0]),tab_negimp(discharge,[h11,h12])],[h10,15,h11,h12]) ).

thf(17,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h8,h9,h7,h6,h4,h5,h3,h2,h1,h0]),tab_negall(discharge,[h10]),tab_negall(eigenvar,eigen__4)],[h9,16,h10]) ).

thf(18,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h7,h6,h4,h5,h3,h2,h1,h0]),tab_negimp(discharge,[h8,h9])],[h7,17,h8,h9]) ).

thf(19,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h6,h4,h5,h3,h2,h1,h0]),tab_negall(discharge,[h7]),tab_negall(eigenvar,eigen__3)],[h6,18,h7]) ).

thf(20,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h4,h5,h3,h2,h1,h0]),tab_negall(discharge,[h6]),tab_negall(eigenvar,eigen__2)],[h5,19,h6]) ).

thf(21,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h3,h2,h1,h0]),tab_negimp(discharge,[h4,h5])],[h3,20,h4,h5]) ).

thf(22,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h2,h1,h0]),tab_negall(discharge,[h3]),tab_negall(eigenvar,eigen__1)],[h2,21,h3]) ).

thf(23,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h1,h0]),tab_negall(discharge,[h2]),tab_negall(eigenvar,eigen__0)],[h1,22,h2]) ).

thf(24,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[23,h0]) ).

thf(0,theorem,
    ! [X1: $i > $i > $o,X2: $i > $i > $o] :
      ( ! [X3: $i,X4: $i] :
          ( ( X1 @ X3 @ X4 )
         => ( X2 @ X3 @ X4 ) )
     => ! [X3: $i,X4: $i] :
          ( ! [X5: $i > $i > $o] :
              ( ~ ( ! [X6: $i,X7: $i,X8: $i] :
                      ( ~ ( ( X5 @ X6 @ X7 )
                         => ~ ( X5 @ X7 @ X8 ) )
                     => ( X5 @ X6 @ X8 ) )
                 => ~ ! [X6: $i,X7: $i] :
                        ( ( X1 @ X6 @ X7 )
                       => ( X5 @ X6 @ X7 ) ) )
             => ( X5 @ X3 @ X4 ) )
         => ! [X5: $i > $i > $o] :
              ( ~ ( ! [X6: $i,X7: $i,X8: $i] :
                      ( ~ ( ( X5 @ X6 @ X7 )
                         => ~ ( X5 @ X7 @ X8 ) )
                     => ( X5 @ X6 @ X8 ) )
                 => ~ ! [X6: $i,X7: $i] :
                        ( ( X2 @ X6 @ X7 )
                       => ( X5 @ X6 @ X7 ) ) )
             => ( X5 @ X3 @ X4 ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h1])],[23,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.14  % Problem  : SEU468^1 : TPTP v8.1.0. Released v3.6.0.
% 0.13/0.14  % Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s
% 0.14/0.36  % Computer : n012.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 600
% 0.14/0.36  % DateTime : Sun Jun 19 02:32:23 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.14/0.39  % SZS status Theorem
% 0.14/0.39  % Mode: mode213
% 0.14/0.39  % Inferences: 24
% 0.14/0.39  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------