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Satallax---3.5.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : SYN391^4 : TPTP v9.2.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -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 Oct  9 03:18:11 PM UTC 2025

% Result   : Theorem 1.03s 1.35s
% Output   : Proof 1.03s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   68
% Syntax   : Number of formulae    :   74 (  26 unt;   0 typ;  21 def)
%            Number of atoms       :  336 (  21 equ;   0 cnn)
%            Maximal formula atoms :   24 (   4 avg)
%            Number of connectives :  681 ( 126   ~;  31   |;   0   &; 333   @)
%                                         (  23 <=>; 166  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   23 (  23   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   51 (  48 usr;  47 con; 0-2 aty)
%                                         (   2  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  147 (  29   ^; 118   !;   0   ?; 147   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_eigen__1,type,
    eigen__1: $i ).

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

thf(ty_p2,type,
    p2: $i > $o ).

thf(ty_irel,type,
    irel: $i > $i > $o ).

thf(ty_p1,type,
    p1: $i > $o ).

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

thf(eigendef_eigen__1,definition,
    ( eigen__1
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( irel @ eigen__0 @ X1 )
           => ~ ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ( ~ ! [X3: $i] :
                          ( ( irel @ X2 @ X3 )
                         => ~ ! [X4: $i] :
                                ( ( irel @ X3 @ X4 )
                               => ( p1 @ X4 ) ) )
                   => ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ~ ! [X4: $i] :
                              ( ( irel @ X3 @ X4 )
                             => ( p2 @ X4 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__1])]) ).

thf(eigendef_eigen__0,definition,
    ( eigen__0
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ~ ( ( ~ ! [X3: $i] :
                            ( ( irel @ X2 @ X3 )
                           => ( p1 @ X3 ) )
                     => ! [X3: $i] :
                          ( ( irel @ X2 @ X3 )
                         => ( p2 @ X3 ) ) )
                   => ( ( ~ ! [X3: $i] :
                              ( ( irel @ X2 @ X3 )
                             => ~ ! [X4: $i] :
                                    ( ( irel @ X3 @ X4 )
                                   => ( p1 @ X4 ) ) )
                       => ! [X3: $i] :
                            ( ( irel @ X2 @ X3 )
                           => ( p2 @ X3 ) ) )
                     => ~ ( ~ ! [X3: $i] :
                                ( ( irel @ X2 @ X3 )
                               => ( p1 @ X3 ) )
                         => ! [X3: $i] :
                              ( ( irel @ X2 @ X3 )
                             => ~ ! [X4: $i] :
                                    ( ( irel @ X3 @ X4 )
                                   => ( p2 @ X4 ) ) ) ) ) ) )
           => ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ~ ! [X3: $i] :
                      ( ( irel @ X2 @ X3 )
                     => ( ~ ! [X4: $i] :
                              ( ( irel @ X3 @ X4 )
                             => ~ ! [X5: $i] :
                                    ( ( irel @ X4 @ X5 )
                                   => ( p1 @ X5 ) ) )
                       => ! [X4: $i] :
                            ( ( irel @ X3 @ X4 )
                           => ~ ! [X5: $i] :
                                  ( ( irel @ X4 @ X5 )
                                 => ( p2 @ X5 ) ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__0])]) ).

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

thf(sP2,plain,
    ( sP2
  <=> ( ~ ! [X1: $i] :
            ( ( irel @ eigen__1 @ X1 )
           => ~ ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ( p1 @ X2 ) ) )
     => ! [X1: $i] :
          ( ( irel @ eigen__1 @ X1 )
         => ~ ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ( p2 @ X2 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ( ~ ! [X1: $i] :
            ( ( irel @ eigen__1 @ X1 )
           => ( p1 @ X1 ) )
     => ! [X1: $i] :
          ( ( irel @ eigen__1 @ X1 )
         => ( p2 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( ( irel @ eigen__0 @ eigen__1 )
     => ~ ! [X1: $i] :
            ( ( irel @ eigen__1 @ X1 )
           => ( ~ ! [X2: $i] :
                    ( ( irel @ X1 @ X2 )
                   => ~ ! [X3: $i] :
                          ( ( irel @ X2 @ X3 )
                         => ( p1 @ X3 ) ) )
             => ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ~ ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ( p2 @ X3 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: $i] :
        ( ( irel @ eigen__0 @ X1 )
       => ~ ( ( ~ ! [X2: $i] :
                    ( ( irel @ X1 @ X2 )
                   => ( p1 @ X2 ) )
             => ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ( p2 @ X2 ) ) )
           => ( ( ~ ! [X2: $i] :
                      ( ( irel @ X1 @ X2 )
                     => ~ ! [X3: $i] :
                            ( ( irel @ X2 @ X3 )
                           => ( p1 @ X3 ) ) )
               => ! [X2: $i] :
                    ( ( irel @ X1 @ X2 )
                   => ( p2 @ X2 ) ) )
             => ~ ( ~ ! [X2: $i] :
                        ( ( irel @ X1 @ X2 )
                       => ( p1 @ X2 ) )
                 => ! [X2: $i] :
                      ( ( irel @ X1 @ X2 )
                     => ~ ! [X3: $i] :
                            ( ( irel @ X2 @ X3 )
                           => ( p2 @ X3 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ( ( irel @ eigen__1 @ eigen__1 )
     => ~ ! [X1: $i] :
            ( ( irel @ eigen__1 @ X1 )
           => ( p2 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( ( ~ ! [X1: $i] :
              ( ( irel @ eigen__1 @ X1 )
             => ~ ! [X2: $i] :
                    ( ( irel @ X1 @ X2 )
                   => ( p1 @ X2 ) ) )
       => ! [X1: $i] :
            ( ( irel @ eigen__1 @ X1 )
           => ( p2 @ X1 ) ) )
     => ~ ( ~ ! [X1: $i] :
                ( ( irel @ eigen__1 @ X1 )
               => ( p1 @ X1 ) )
         => ! [X1: $i] :
              ( ( irel @ eigen__1 @ X1 )
             => ~ ! [X2: $i] :
                    ( ( irel @ X1 @ X2 )
                   => ( p2 @ X2 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ! [X1: $i] :
        ( ( irel @ eigen__0 @ X1 )
       => ~ ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ( ~ ! [X3: $i] :
                      ( ( irel @ X2 @ X3 )
                     => ~ ! [X4: $i] :
                            ( ( irel @ X3 @ X4 )
                           => ( p1 @ X4 ) ) )
               => ! [X3: $i] :
                    ( ( irel @ X2 @ X3 )
                   => ~ ! [X4: $i] :
                          ( ( irel @ X3 @ X4 )
                         => ( p2 @ X4 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ! [X1: $i] :
        ( ( irel @ eigen__1 @ X1 )
       => ( p1 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ! [X1: $i] :
        ( ( irel @ eigen__1 @ X1 )
       => ~ ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ( p1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ! [X1: $i] :
        ( ( irel @ eigen__1 @ X1 )
       => ( ~ ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ~ ! [X3: $i] :
                      ( ( irel @ X2 @ X3 )
                     => ( p1 @ X3 ) ) )
         => ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ~ ! [X3: $i] :
                    ( ( irel @ X2 @ X3 )
                   => ( p2 @ X3 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ( ( irel @ eigen__0 @ eigen__1 )
     => ~ ( sP3
         => sP7 ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ! [X1: $i] :
        ( ( irel @ eigen__1 @ X1 )
       => ( p2 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ! [X1: $i] :
        ( ( irel @ eigen__1 @ X1 )
       => ~ ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ( p2 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ! [X1: $i] :
        ( ! [X2: $i] :
            ( ( irel @ X1 @ X2 )
           => ~ ( ( ~ ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ( p1 @ X3 ) )
                 => ! [X3: $i] :
                      ( ( irel @ X2 @ X3 )
                     => ( p2 @ X3 ) ) )
               => ( ( ~ ! [X3: $i] :
                          ( ( irel @ X2 @ X3 )
                         => ~ ! [X4: $i] :
                                ( ( irel @ X3 @ X4 )
                               => ( p1 @ X4 ) ) )
                   => ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ( p2 @ X3 ) ) )
                 => ~ ( ~ ! [X3: $i] :
                            ( ( irel @ X2 @ X3 )
                           => ( p1 @ X3 ) )
                     => ! [X3: $i] :
                          ( ( irel @ X2 @ X3 )
                         => ~ ! [X4: $i] :
                                ( ( irel @ X3 @ X4 )
                               => ( p2 @ X4 ) ) ) ) ) ) )
       => ! [X2: $i] :
            ( ( irel @ X1 @ X2 )
           => ~ ! [X3: $i] :
                  ( ( irel @ X2 @ X3 )
                 => ( ~ ! [X4: $i] :
                          ( ( irel @ X3 @ X4 )
                         => ~ ! [X5: $i] :
                                ( ( irel @ X4 @ X5 )
                               => ( p1 @ X5 ) ) )
                   => ! [X4: $i] :
                        ( ( irel @ X3 @ X4 )
                       => ~ ! [X5: $i] :
                              ( ( irel @ X4 @ X5 )
                             => ( p2 @ X5 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ( ~ sP10
     => sP13 ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ( irel @ eigen__0 @ eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(sP18,plain,
    ( sP18
  <=> ( ( irel @ eigen__1 @ eigen__1 )
     => sP2 ) ),
    introduced(definition,[new_symbols(definition,[sP18])]) ).

thf(sP19,plain,
    ( sP19
  <=> ( sP3
     => sP7 ) ),
    introduced(definition,[new_symbols(definition,[sP19])]) ).

thf(sP20,plain,
    ( sP20
  <=> ( irel @ eigen__1 @ eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP20])]) ).

thf(sP21,plain,
    ( sP21
  <=> ( sP5
     => sP8 ) ),
    introduced(definition,[new_symbols(definition,[sP21])]) ).

thf(sP22,plain,
    ( sP22
  <=> ( sP20
     => ~ sP9 ) ),
    introduced(definition,[new_symbols(definition,[sP22])]) ).

thf(sP23,plain,
    ( sP23
  <=> ( ~ sP9
     => sP14 ) ),
    introduced(definition,[new_symbols(definition,[sP23])]) ).

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,X3: $i] :
          ~ ( ( X1 @ X3 )
           => ~ ( X2 @ X3 ) ) ) ) ).

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

thf(def_mbox_s4,definition,
    ( mbox_s4
    = ( ^ [X1: $i > $o,X2: $i] :
        ! [X3: $i] :
          ( ( irel @ X2 @ X3 )
         => ( X1 @ X3 ) ) ) ) ).

thf(def_iatom,definition,
    ( iatom
    = ( ^ [X1: $i > $o] : X1 ) ) ).

thf(def_inot,definition,
    ( inot
    = ( ^ [X1: $i > $o] : ( mnot @ ( mbox_s4 @ X1 ) ) ) ) ).

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

thf(def_ifalse,definition,
    ( ifalse
    = ( inot @ itrue ) ) ).

thf(def_iand,definition,
    iand = mand ).

thf(def_ior,definition,
    ( ior
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mor @ ( mbox_s4 @ X1 ) @ ( mbox_s4 @ X2 ) ) ) ) ).

thf(def_iimplies,definition,
    ( iimplies
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mimplies @ ( mbox_s4 @ X1 ) @ ( mbox_s4 @ X2 ) ) ) ) ).

thf(def_iimplied,definition,
    ( iimplied
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( iimplies @ X2 @ X1 ) ) ) ).

thf(def_iequiv,definition,
    ( iequiv
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( iand @ ( iimplies @ X1 @ X2 ) @ ( iimplies @ X2 @ X1 ) ) ) ) ).

thf(def_ixor,definition,
    ( ixor
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( inot @ ( iequiv @ X1 @ X2 ) ) ) ) ).

thf(def_ivalid,definition,
    ivalid = !! ).

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

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

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

thf(pel9,conjecture,
    ! [X1: $i] :
      ( ~ ~ ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ~ ( ( ~ ! [X3: $i] :
                          ( ( irel @ X2 @ X3 )
                         => ( p1 @ X3 ) )
                   => ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ( p2 @ X3 ) ) )
                 => ~ ~ ( ( ~ ! [X3: $i] :
                                ( ( irel @ X2 @ X3 )
                               => ~ ! [X4: $i] :
                                      ( ( irel @ X3 @ X4 )
                                     => ( p1 @ X4 ) ) )
                         => ! [X3: $i] :
                              ( ( irel @ X2 @ X3 )
                             => ( p2 @ X3 ) ) )
                       => ~ ( ~ ! [X3: $i] :
                                  ( ( irel @ X2 @ X3 )
                                 => ( p1 @ X3 ) )
                           => ! [X3: $i] :
                                ( ( irel @ X2 @ X3 )
                               => ~ ! [X4: $i] :
                                      ( ( irel @ X3 @ X4 )
                                     => ( p2 @ X4 ) ) ) ) ) ) )
     => ! [X2: $i] :
          ( ( irel @ X1 @ X2 )
         => ~ ! [X3: $i] :
                ( ( irel @ X2 @ X3 )
               => ( ~ ! [X4: $i] :
                        ( ( irel @ X3 @ X4 )
                       => ~ ! [X5: $i] :
                              ( ( irel @ X4 @ X5 )
                             => ( p1 @ X5 ) ) )
                 => ! [X4: $i] :
                      ( ( irel @ X3 @ X4 )
                     => ~ ! [X5: $i] :
                            ( ( irel @ X4 @ X5 )
                           => ( p2 @ X5 ) ) ) ) ) ) ) ).

thf(h1,negated_conjecture,
    ~ sP15,
    inference(assume_negation,[status(cth)],[pel9]) ).

thf(1,plain,
    ( ~ sP3
    | sP9
    | sP13 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(2,plain,
    ( ~ sP16
    | sP10
    | sP13 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(3,plain,
    ( ~ sP23
    | sP9
    | sP14 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(4,plain,
    ( sP7
    | sP23 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(5,plain,
    ( sP7
    | sP16 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(6,plain,
    ( sP19
    | ~ sP7 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(7,plain,
    ( sP19
    | sP3 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(8,plain,
    ( ~ sP5
    | sP12 ),
    inference(all_rule,[status(thm)],[]) ).

thf(9,plain,
    ( ~ sP12
    | ~ sP17
    | ~ sP19 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(10,plain,
    ( ~ sP14
    | sP6 ),
    inference(all_rule,[status(thm)],[]) ).

thf(11,plain,
    ( ~ sP6
    | ~ sP20
    | ~ sP13 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(12,plain,
    ( ~ sP18
    | ~ sP20
    | sP2 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(13,plain,
    ( ~ sP2
    | sP10
    | sP14 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(14,plain,
    ( ~ sP10
    | sP22 ),
    inference(all_rule,[status(thm)],[]) ).

thf(15,plain,
    ( ~ sP22
    | ~ sP20
    | ~ sP9 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(16,plain,
    ( ~ sP1
    | sP20 ),
    inference(all_rule,[status(thm)],[]) ).

thf(17,plain,
    ( ~ sP11
    | sP18 ),
    inference(all_rule,[status(thm)],[]) ).

thf(18,plain,
    ( sP4
    | sP11 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(19,plain,
    ( sP4
    | sP17 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(20,plain,
    ( sP8
    | ~ sP4 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__1]) ).

thf(21,plain,
    ( sP21
    | ~ sP8 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(22,plain,
    ( sP21
    | sP5 ),
    inference(prop_rule,[status(thm)],[]) ).

thf(23,plain,
    ( sP15
    | ~ sP21 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__0]) ).

thf(refl_axiom,axiom,
    sP1 ).

thf(24,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([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,refl_axiom,h1]) ).

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

thf(0,theorem,
    ! [X1: $i] :
      ( ~ ~ ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ~ ( ( ~ ! [X3: $i] :
                          ( ( irel @ X2 @ X3 )
                         => ( p1 @ X3 ) )
                   => ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ( p2 @ X3 ) ) )
                 => ~ ~ ( ( ~ ! [X3: $i] :
                                ( ( irel @ X2 @ X3 )
                               => ~ ! [X4: $i] :
                                      ( ( irel @ X3 @ X4 )
                                     => ( p1 @ X4 ) ) )
                         => ! [X3: $i] :
                              ( ( irel @ X2 @ X3 )
                             => ( p2 @ X3 ) ) )
                       => ~ ( ~ ! [X3: $i] :
                                  ( ( irel @ X2 @ X3 )
                                 => ( p1 @ X3 ) )
                           => ! [X3: $i] :
                                ( ( irel @ X2 @ X3 )
                               => ~ ! [X4: $i] :
                                      ( ( irel @ X3 @ X4 )
                                     => ( p2 @ X4 ) ) ) ) ) ) )
     => ! [X2: $i] :
          ( ( irel @ X1 @ X2 )
         => ~ ! [X3: $i] :
                ( ( irel @ X2 @ X3 )
               => ( ~ ! [X4: $i] :
                        ( ( irel @ X3 @ X4 )
                       => ~ ! [X5: $i] :
                              ( ( irel @ X4 @ X5 )
                             => ( p1 @ X5 ) ) )
                 => ! [X4: $i] :
                      ( ( irel @ X3 @ X4 )
                     => ~ ! [X5: $i] :
                            ( ( irel @ X4 @ X5 )
                           => ( p2 @ X5 ) ) ) ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h1])],[24,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SYN391^4 : TPTP v9.2.0. Released v4.0.0.
% 0.07/0.13  % Command  : satallax -E eprover-ho -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 : Wed Oct  8 15:08:53 EDT 2025
% 0.13/0.34  % CPUTime  : 
% 1.03/1.35  % SZS status Theorem
% 1.03/1.35  % Mode: mode506
% 1.03/1.35  % Inferences: 38836
% 1.03/1.35  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------