TSTP Solution File: SEV385^5 by Lash---1.13

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%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : SEV385^5 : 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 : n020.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 19:34:24 EDT 2023

% Result   : Theorem 20.47s 20.69s
% Output   : Proof 20.47s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :   32
% Syntax   : Number of formulae    :   39 (  10 unt;   6 typ;   2 def)
%            Number of atoms       :   93 (  37 equ;   0 cnn)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives :   94 (  42   ~;  15   |;   0   &;  10   @)
%                                         (  11 <=>;  16  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Number of types       :    3 (   2 usr)
%            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   19 (  17 usr;  18 con; 0-2 aty)
%            Number of variables   :   25 (  12   ^;  13   !;   0   ?;  25   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_a,type,
    a: $tType ).

thf(ty_b,type,
    b: $tType ).

thf(ty_eigen__0,type,
    eigen__0: a ).

thf(ty_x,type,
    x: b ).

thf(ty_eigen__3,type,
    eigen__3: b ).

thf(ty_y,type,
    y: a ).

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] :
          ( ( ~ ( ( x = X1 )
               => ( eigen__0 != y ) ) )
         != ( x = X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__3])]) ).

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

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

thf(sP1,plain,
    ( sP1
  <=> ! [X1: a] :
        ( ( y = X1 )
       => ~ ! [X2: b] :
              ( ( ^ [X3: b] :
                    ~ ( ( x = X3 )
                     => ( X1 != y ) ) )
             != ( ^ [X3: b] : ( X2 = X3 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( eigen__0 = y ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ! [X1: b] :
        ( ( ^ [X2: b] :
              ~ ( ( x = X2 )
               => ~ sP2 ) )
       != ( ^ [X2: b] : ( X1 = X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

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

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

thf(sP6,plain,
    ( sP6
  <=> ( ( y = eigen__0 )
     => ~ sP3 ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ! [X1: b > a] :
        ( ! [X2: b] :
            ( ( x = X2 )
           => ( y
              = ( X1 @ X2 ) ) )
       => ~ ! [X2: a] :
              ( ( y = X2 )
             => ~ ! [X3: b] :
                    ( ( ^ [X4: b] :
                          ~ ( ( x = X4 )
                           => ( X2
                             != ( X1 @ X4 ) ) ) )
                   != ( ^ [X4: b] : ( X3 = X4 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

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

thf(sP9,plain,
    ( sP9
  <=> ! [X1: b] :
        ( ( ~ ( ( x = X1 )
             => ~ sP2 ) )
        = ( x = X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( ~ sP5 = sP4 ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ( y = eigen__0 ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(cX6004_pme,conjecture,
    ~ sP7 ).

thf(h2,negated_conjecture,
    sP7,
    inference(assume_negation,[status(cth)],[cX6004_pme]) ).

thf(1,plain,
    ( ~ sP5
    | ~ sP4
    | ~ sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( sP5
    | sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(3,plain,
    ( sP10
    | sP5
    | ~ sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(4,plain,
    ( sP10
    | ~ sP5
    | sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(5,plain,
    ( sP9
    | ~ sP10 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__3]) ).

thf(6,plain,
    ( sP8
    | ~ sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(7,plain,
    ( ~ sP3
    | ~ sP8 ),
    inference(all_rule,[status(thm)],]) ).

thf(8,plain,
    ( ~ sP11
    | sP2 ),
    inference(symeq,[status(thm)],]) ).

thf(9,plain,
    ( sP6
    | sP3 ),
    inference(prop_rule,[status(thm)],]) ).

thf(10,plain,
    ( sP6
    | sP11 ),
    inference(prop_rule,[status(thm)],]) ).

thf(11,plain,
    ( sP1
    | ~ sP6 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__0]) ).

thf(12,plain,
    ( ~ sP7
    | ~ sP1 ),
    inference(all_rule,[status(thm)],]) ).

thf(13,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,h2]) ).

thf(14,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h2,h0]),eigenvar_choice(discharge,[h1])],[13,h1]) ).

thf(15,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h2]),eigenvar_choice(discharge,[h0])],[14,h0]) ).

thf(0,theorem,
    ~ sP7,
    inference(contra,[status(thm),contra(discharge,[h2])],[13,h2]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SEV385^5 : TPTP v8.1.2. Released v4.0.0.
% 0.00/0.12  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.13/0.33  % Computer : n020.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Thu Aug 24 02:05:00 EDT 2023
% 0.13/0.33  % CPUTime  : 
% 20.47/20.69  % SZS status Theorem
% 20.47/20.69  % Mode: cade22grackle2x798d
% 20.47/20.69  % Steps: 74
% 20.47/20.69  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------