TSTP Solution File: LCL733^5 by Lash---1.13

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%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : LCL733^5 : TPTP v8.1.2. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : lash -P picomus -M modes -p tstp -t %d %s

% Computer : n006.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 08:04:46 EDT 2023

% Result   : Theorem 0.15s 0.42s
% Output   : Proof 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   24
% Syntax   : Number of formulae    :   32 (  13 unt;   4 typ;   2 def)
%            Number of atoms       :   51 (   2 equ;   0 cnn)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   95 (  40   ~;   8   |;   0   &;  25   @)
%                                         (   8 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   4 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   14 (  14   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   15 (  13 usr;  13 con; 0-2 aty)
%            Number of variables   :   22 (   2   ^;  20   !;   0   ?;  22   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_b,type,
    b: $tType ).

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

thf(ty_eigen__3,type,
    eigen__3: b ).

thf(ty_eigen__2,type,
    eigen__2: b ).

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

thf(eigendef_eigen__3,definition,
    ( eigen__3
    = ( eps__0
      @ ^ [X1: b] :
          ~ ~ ( eigen__0 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__3])]) ).

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

thf(eigendef_eigen__0,definition,
    ( eigen__0
    = ( eps__1
      @ ^ [X1: b > $o] :
          ~ ~ ! [X2: b] :
                ~ ( ~ ! [X3: b] :
                        ~ ( X1 @ X3 )
                 => ( X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__0])]) ).

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

thf(sP2,plain,
    ( sP2
  <=> ! [X1: b] :
        ~ ( eigen__0 @ X1 ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ( ~ sP2
     => ( eigen__0 @ eigen__2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( eigen__0 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ( ~ sP2
     => sP4 ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ! [X1: b > $o] :
        ~ ! [X2: b] :
            ~ ( ~ ! [X3: b] :
                    ~ ( X1 @ X3 )
             => ( X1 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ! [X1: ( b > $o ) > b] :
        ~ ! [X2: b > $o] :
            ( ~ ! [X3: b] :
                  ~ ( X2 @ X3 )
           => ( X2 @ ( X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ! [X1: b] :
        ~ ( ~ sP2
         => ( eigen__0 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(cX5310_SUB4,conjecture,
    ( sP1
   => ~ sP7 ) ).

thf(h2,negated_conjecture,
    ~ ( sP1
     => ~ sP7 ),
    inference(assume_negation,[status(cth)],[cX5310_SUB4]) ).

thf(h3,assumption,
    sP1,
    introduced(assumption,[]) ).

thf(h4,assumption,
    sP7,
    introduced(assumption,[]) ).

thf(1,plain,
    ( sP5
    | ~ sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP8
    | ~ sP5 ),
    inference(all_rule,[status(thm)],]) ).

thf(3,plain,
    ( sP2
    | sP4 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__3]) ).

thf(4,plain,
    ( sP3
    | ~ sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(5,plain,
    ( ~ sP8
    | ~ sP3 ),
    inference(all_rule,[status(thm)],]) ).

thf(6,plain,
    ( sP6
    | sP8 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__0]) ).

thf(7,plain,
    ( ~ sP1
    | ~ sP6
    | ~ sP7 ),
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h3,h4,h2,h1,h0])],[1,2,3,4,5,6,7,h3,h4]) ).

thf(9,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h2,h1,h0]),tab_negimp(discharge,[h3,h4])],[h2,8,h3,h4]) ).

thf(10,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h2,h0]),eigenvar_choice(discharge,[h1])],[9,h1]) ).

thf(11,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h2]),eigenvar_choice(discharge,[h0])],[10,h0]) ).

thf(0,theorem,
    ( sP1
   => ~ sP7 ),
    inference(contra,[status(thm),contra(discharge,[h2])],[9,h2]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14  % Problem  : LCL733^5 : TPTP v8.1.2. Released v4.0.0.
% 0.00/0.14  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.15/0.36  % Computer : n006.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 300
% 0.15/0.36  % DateTime : Fri Aug 25 02:49:22 EDT 2023
% 0.15/0.36  % CPUTime  : 
% 0.15/0.42  % SZS status Theorem
% 0.15/0.42  % Mode: cade22grackle2xfee4
% 0.15/0.42  % Steps: 18
% 0.15/0.42  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------