TSTP Solution File: LCL878^1 by Satallax---3.5

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%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : LCL878^1 : TPTP v8.1.0. Released v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s

% Computer : n011.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 : Sun Jul 17 14:11:47 EDT 2022

% Result   : Theorem 2.04s 2.23s
% Output   : Proof 2.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   87
% Syntax   : Number of formulae    :  100 (  48 unt;   7 typ;  38 def)
%            Number of atoms       :  251 (  50 equ;   0 cnn)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives :  453 (  62   ~;  28   |;   0   &; 260   @)
%                                         (  22 <=>;  79  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  100 ( 100   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   67 (  64 usr;  63 con; 0-2 aty)
%                                         (   2  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  162 (  54   ^ 108   !;   0   ?; 162   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_eigen__6,type,
    eigen__6: $i ).

thf(ty_eigen__2,type,
    eigen__2: $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 > $o ).

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

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

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

thf(eigendef_eigen__1,definition,
    ( eigen__1
    = ( eps__0
      @ ^ [X1: $i > $i > $o] :
          ( ( ! [X2: $i,X3: $i > $o] :
                ( ! [X4: $i] :
                    ( ( eigen__0 @ X2 @ X4 )
                   => ( X3 @ X4 ) )
               => ! [X4: $i] :
                    ( ( X1 @ X2 @ X4 )
                   => ( X3 @ X4 ) ) ) )
         != ( ! [X2: $i,X3: $i] :
                ( ( X1 @ X2 @ X3 )
               => ( eigen__0 @ X2 @ X3 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__1])]) ).

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

thf(eigendef_eigen__6,definition,
    ( eigen__6
    = ( eps__1
      @ ^ [X1: $i] :
          ~ ! [X2: $i] :
              ( ( eigen__1 @ X1 @ X2 )
             => ( eigen__0 @ X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__6])]) ).

thf(eigendef_eigen__0,definition,
    ( eigen__0
    = ( eps__0
      @ ^ [X1: $i > $i > $o] :
          ~ ! [X2: $i > $i > $o] :
              ( ( ! [X3: $i,X4: $i > $o] :
                    ( ! [X5: $i] :
                        ( ( X1 @ X3 @ X5 )
                       => ( X4 @ X5 ) )
                   => ! [X5: $i] :
                        ( ( X2 @ X3 @ X5 )
                       => ( X4 @ X5 ) ) ) )
              = ( ! [X3: $i,X4: $i] :
                    ( ( X2 @ X3 @ X4 )
                   => ( X1 @ X3 @ X4 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__0])]) ).

thf(eigendef_eigen__8,definition,
    ( eigen__8
    = ( eps__1
      @ ^ [X1: $i] :
          ~ ( ( eigen__0 @ eigen__6 @ X1 )
           => ( eigen__0 @ eigen__6 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__8])]) ).

thf(eigendef_eigen__2,definition,
    ( eigen__2
    = ( eps__1
      @ ^ [X1: $i] :
          ~ ! [X2: $i > $o] :
              ( ! [X3: $i] :
                  ( ( eigen__0 @ X1 @ X3 )
                 => ( X2 @ X3 ) )
             => ! [X3: $i] :
                  ( ( eigen__1 @ X1 @ X3 )
                 => ( X2 @ X3 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__2])]) ).

thf(h2,assumption,
    ! [X1: ( $i > $o ) > $o,X2: $i > $o] :
      ( ( X1 @ X2 )
     => ( X1 @ ( eps__2 @ X1 ) ) ),
    introduced(assumption,[]) ).

thf(eigendef_eigen__4,definition,
    ( eigen__4
    = ( eps__2
      @ ^ [X1: $i > $o] :
          ~ ( ! [X2: $i] :
                ( ( eigen__0 @ eigen__2 @ X2 )
               => ( X1 @ X2 ) )
           => ! [X2: $i] :
                ( ( eigen__1 @ eigen__2 @ X2 )
               => ( X1 @ X2 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__4])]) ).

thf(eigendef_eigen__5,definition,
    ( eigen__5
    = ( eps__1
      @ ^ [X1: $i] :
          ~ ( ( eigen__1 @ eigen__2 @ X1 )
           => ( eigen__4 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__5])]) ).

thf(sP1,plain,
    ( sP1
  <=> ! [X1: $i > $i > $o] :
        ( ( ! [X2: $i,X3: $i > $o] :
              ( ! [X4: $i] :
                  ( ( eigen__0 @ X2 @ X4 )
                 => ( X3 @ X4 ) )
             => ! [X4: $i] :
                  ( ( X1 @ X2 @ X4 )
                 => ( X3 @ X4 ) ) ) )
        = ( ! [X2: $i,X3: $i] :
              ( ( X1 @ X2 @ X3 )
             => ( eigen__0 @ X2 @ X3 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( eigen__1 @ eigen__2 @ eigen__5 ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ( ! [X1: $i] :
          ( ( eigen__0 @ eigen__6 @ X1 )
         => ( eigen__0 @ eigen__6 @ X1 ) )
     => ! [X1: $i] :
          ( ( eigen__1 @ eigen__6 @ X1 )
         => ( eigen__0 @ eigen__6 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ! [X1: $i,X2: $i > $o] :
        ( ! [X3: $i] :
            ( ( eigen__0 @ X1 @ X3 )
           => ( X2 @ X3 ) )
       => ! [X3: $i] :
            ( ( eigen__1 @ X1 @ X3 )
           => ( X2 @ X3 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: $i > $o] :
        ( ! [X2: $i] :
            ( ( eigen__0 @ eigen__6 @ X2 )
           => ( X1 @ X2 ) )
       => ! [X2: $i] :
            ( ( eigen__1 @ eigen__6 @ X2 )
           => ( X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ! [X1: $i] :
        ( ( eigen__1 @ eigen__2 @ X1 )
       => ( eigen__0 @ eigen__2 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( sP2
     => ( eigen__4 @ eigen__5 ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ! [X1: $i] :
        ( ( eigen__1 @ eigen__6 @ X1 )
       => ( eigen__0 @ eigen__6 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ! [X1: $i,X2: $i] :
        ( ( eigen__1 @ X1 @ X2 )
       => ( eigen__0 @ X1 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( sP2
     => ( eigen__0 @ eigen__2 @ eigen__5 ) ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ( eigen__4 @ eigen__5 ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ! [X1: $i] :
        ( ( eigen__1 @ eigen__2 @ X1 )
       => ( eigen__4 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ( sP4 = sP9 ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ! [X1: $i > $i > $o,X2: $i > $i > $o] :
        ( ( ! [X3: $i,X4: $i > $o] :
              ( ! [X5: $i] :
                  ( ( X1 @ X3 @ X5 )
                 => ( X4 @ X5 ) )
             => ! [X5: $i] :
                  ( ( X2 @ X3 @ X5 )
                 => ( X4 @ X5 ) ) ) )
        = ( ! [X3: $i,X4: $i] :
              ( ( X2 @ X3 @ X4 )
             => ( X1 @ X3 @ X4 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ! [X1: $i] :
        ( ( eigen__0 @ eigen__6 @ X1 )
       => ( eigen__0 @ eigen__6 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ! [X1: $i > $o] :
        ( ! [X2: $i] :
            ( ( eigen__0 @ eigen__2 @ X2 )
           => ( X1 @ X2 ) )
       => ! [X2: $i] :
            ( ( eigen__1 @ eigen__2 @ X2 )
           => ( X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ( ( eigen__0 @ eigen__2 @ eigen__5 )
     => sP11 ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(sP18,plain,
    ( sP18
  <=> ! [X1: $i] :
        ( ( eigen__0 @ eigen__2 @ X1 )
       => ( eigen__4 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP18])]) ).

thf(sP19,plain,
    ( sP19
  <=> ( sP18
     => sP12 ) ),
    introduced(definition,[new_symbols(definition,[sP19])]) ).

thf(sP20,plain,
    ( sP20
  <=> ( eigen__0 @ eigen__2 @ eigen__5 ) ),
    introduced(definition,[new_symbols(definition,[sP20])]) ).

thf(sP21,plain,
    ( sP21
  <=> ( ( eigen__0 @ eigen__6 @ eigen__8 )
     => ( eigen__0 @ eigen__6 @ eigen__8 ) ) ),
    introduced(definition,[new_symbols(definition,[sP21])]) ).

thf(sP22,plain,
    ( sP22
  <=> ( eigen__0 @ eigen__6 @ eigen__8 ) ),
    introduced(definition,[new_symbols(definition,[sP22])]) ).

thf(def_meq_ind,definition,
    ( meq_ind
    = ( ^ [X1: mu,X2: mu,X3: $i] : ( X1 = X2 ) ) ) ).

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

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

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

thf(def_mand,definition,
    ( mand
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mnot @ ( mor @ ( mnot @ X1 ) @ ( mnot @ X2 ) ) ) ) ) ).

thf(def_mimplies,definition,
    ( mimplies
    = ( ^ [X1: $i > $o] : ( mor @ ( mnot @ X1 ) ) ) ) ).

thf(def_mimplied,definition,
    ( mimplied
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mor @ ( mnot @ X2 ) @ X1 ) ) ) ).

thf(def_mequiv,definition,
    ( mequiv
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mand @ ( mimplies @ X1 @ X2 ) @ ( mimplies @ X2 @ X1 ) ) ) ) ).

thf(def_mxor,definition,
    ( mxor
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mnot @ ( mequiv @ X1 @ X2 ) ) ) ) ).

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

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

thf(def_mexists_ind,definition,
    ( mexists_ind
    = ( ^ [X1: mu > $i > $o] :
          ( mnot
          @ ( mforall_ind
            @ ^ [X2: mu] : ( mnot @ ( X1 @ X2 ) ) ) ) ) ) ).

thf(def_mexists_prop,definition,
    ( mexists_prop
    = ( ^ [X1: ( $i > $o ) > $i > $o] :
          ( mnot
          @ ( mforall_prop
            @ ^ [X2: $i > $o] : ( mnot @ ( X1 @ X2 ) ) ) ) ) ) ).

thf(def_mtrue,definition,
    ( mtrue
    = ( ^ [X1: $i] : ~ $false ) ) ).

thf(def_mfalse,definition,
    ( mfalse
    = ( mnot @ mtrue ) ) ).

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

thf(def_mdia,definition,
    ( mdia
    = ( ^ [X1: $i > $i > $o,X2: $i > $o] : ( mnot @ ( mbox @ X1 @ ( mnot @ X2 ) ) ) ) ) ).

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

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

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

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

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

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

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

thf(def_mweakly_dense,definition,
    ( mweakly_dense
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i,X4: $i] :
          ( ( X1 @ X2 @ X3 )
         => ~ ! [X5: $i] :
                ( ( X1 @ X2 @ X5 )
               => ~ ( X1 @ X5 @ X3 ) ) ) ) ) ).

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

thf(def_mweakly_directed,definition,
    ( mweakly_directed
    = ( ^ [X1: $i > $i > $o] :
        ! [X2: $i,X3: $i,X4: $i] :
          ( ~ ( ( X1 @ X2 @ X3 )
             => ~ ( X1 @ X2 @ X4 ) )
         => ~ ! [X5: $i] :
                ( ( X1 @ X3 @ X5 )
               => ~ ( X1 @ X4 @ X5 ) ) ) ) ) ).

thf(def_mvalid,definition,
    mvalid = !! ).

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

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

thf(def_mcountersatisfiable,definition,
    ( mcountersatisfiable
    = ( ^ [X1: $i > $o] :
          ~ ( !! @ X1 ) ) ) ).

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

thf(h3,negated_conjecture,
    ~ sP14,
    inference(assume_negation,[status(cth)],[conj]) ).

thf(1,plain,
    ( sP21
    | ~ sP22 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( sP21
    | sP22 ),
    inference(prop_rule,[status(thm)],]) ).

thf(3,plain,
    ( sP15
    | ~ sP21 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__8]) ).

thf(4,plain,
    ( ~ sP4
    | sP5 ),
    inference(all_rule,[status(thm)],]) ).

thf(5,plain,
    ( ~ sP5
    | sP3 ),
    inference(all_rule,[status(thm)],]) ).

thf(6,plain,
    ( ~ sP3
    | ~ sP15
    | sP8 ),
    inference(prop_rule,[status(thm)],]) ).

thf(7,plain,
    ( ~ sP6
    | sP10 ),
    inference(all_rule,[status(thm)],]) ).

thf(8,plain,
    ( ~ sP10
    | ~ sP2
    | sP20 ),
    inference(prop_rule,[status(thm)],]) ).

thf(9,plain,
    ( ~ sP9
    | sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(10,plain,
    ( ~ sP18
    | sP17 ),
    inference(all_rule,[status(thm)],]) ).

thf(11,plain,
    ( ~ sP17
    | ~ sP20
    | sP11 ),
    inference(prop_rule,[status(thm)],]) ).

thf(12,plain,
    ( sP7
    | ~ sP11 ),
    inference(prop_rule,[status(thm)],]) ).

thf(13,plain,
    ( sP7
    | sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(14,plain,
    ( sP9
    | ~ sP8 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__6]) ).

thf(15,plain,
    ( sP12
    | ~ sP7 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__5]) ).

thf(16,plain,
    ( sP19
    | ~ sP12 ),
    inference(prop_rule,[status(thm)],]) ).

thf(17,plain,
    ( sP19
    | sP18 ),
    inference(prop_rule,[status(thm)],]) ).

thf(18,plain,
    ( sP16
    | ~ sP19 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h2])],[h2,eigendef_eigen__4]) ).

thf(19,plain,
    ( sP4
    | ~ sP16 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__2]) ).

thf(20,plain,
    ( sP13
    | ~ sP4
    | ~ sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(21,plain,
    ( sP13
    | sP4
    | sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(22,plain,
    ( sP1
    | ~ sP13 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__1]) ).

thf(23,plain,
    ( sP14
    | ~ sP1 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__0]) ).

thf(24,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h3,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,h3]) ).

thf(25,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h3,h1,h0]),eigenvar_choice(discharge,[h2])],[24,h2]) ).

thf(26,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h3,h0]),eigenvar_choice(discharge,[h1])],[25,h1]) ).

thf(27,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h3]),eigenvar_choice(discharge,[h0])],[26,h0]) ).

thf(0,theorem,
    ! [X1: $i > $i > $o,X2: $i > $i > $o] :
      ( ( ! [X3: $i,X4: $i > $o] :
            ( ~ ~ ! [X5: $i] :
                    ( ( X1 @ X3 @ X5 )
                   => ( X4 @ X5 ) )
           => ! [X5: $i] :
                ( ( X2 @ X3 @ X5 )
               => ( X4 @ X5 ) ) ) )
      = ( ! [X3: $i,X4: $i] :
            ( ( X2 @ X3 @ X4 )
           => ( X1 @ X3 @ X4 ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h3])],[24,h3]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL878^1 : TPTP v8.1.0. Released v5.2.0.
% 0.07/0.13  % Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s
% 0.14/0.34  % Computer : n011.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Mon Jul  4 06:37:51 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 2.04/2.23  % SZS status Theorem
% 2.04/2.23  % Mode: mode506
% 2.04/2.23  % Inferences: 21509
% 2.04/2.23  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------