TSTP Solution File: SEU633^2 by Lash---1.13

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%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : SEU633^2 : TPTP v8.1.2. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : lash -P picomus -M modes -p tstp -t %d %s

% Computer : n028.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 17:20:11 EDT 2023

% Result   : Theorem 0.19s 0.42s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   34
% Syntax   : Number of formulae    :   43 (  12 unt;   5 typ;   2 def)
%            Number of atoms       :   91 (   2 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  185 (  32   ~;  11   |;   0   &;  95   @)
%                                         (  11 <=>;  36  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   20 (  18 usr;  17 con; 0-2 aty)
%            Number of variables   :   40 (   9   ^;  31   !;   0   ?;  40   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_setunion,type,
    setunion: $i > $i ).

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

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

thf(ty_in,type,
    in: $i > $i > $o ).

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

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

thf(eigendef_eigen__3,definition,
    ( eigen__3
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( in @ eigen__1 @ X1 )
           => ~ ( in @ X1 @ eigen__0 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__3])]) ).

thf(sP1,plain,
    ( sP1
  <=> ( in @ eigen__1 @ ( setunion @ eigen__0 ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ! [X1: $o] :
        ( ! [X2: $i] :
            ( ( in @ eigen__1 @ X2 )
           => ( ( in @ X2 @ eigen__0 )
             => X1 ) )
       => X1 ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ( in @ eigen__3 @ eigen__0 ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( ( in @ eigen__1 @ eigen__3 )
     => ~ sP3 ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: $i,X2: $i] :
        ( ( in @ X2 @ ( setunion @ X1 ) )
       => ! [X3: $o] :
            ( ! [X4: $i] :
                ( ( in @ X2 @ X4 )
               => ( ( in @ X4 @ X1 )
                 => X3 ) )
           => X3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

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

thf(sP7,plain,
    ( sP7
  <=> ! [X1: $i] :
        ( ( in @ X1 @ eigen__0 )
       => ~ ( in @ eigen__1 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ( sP3
     => ~ ( in @ eigen__1 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ! [X1: $i] :
        ( ( in @ X1 @ ( setunion @ eigen__0 ) )
       => ! [X2: $o] :
            ( ! [X3: $i] :
                ( ( in @ X1 @ X3 )
               => ( ( in @ X3 @ eigen__0 )
                 => X2 ) )
           => X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( in @ eigen__1 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ( sP1
     => sP2 ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(def_setunionE,definition,
    ( setunionE
    = ( ! [X1: $i,X2: $i] :
          ( ^ [X3: $o,X4: $o] :
              ( X3
             => X4 )
          @ ( in @ X2 @ ( setunion @ X1 ) )
          @ ! [X3: $o] :
              ( ^ [X4: $o,X5: $o] :
                  ( X4
                 => X5 )
              @ ! [X4: $i] :
                  ( ^ [X5: $o,X6: $o] :
                      ( X5
                     => X6 )
                  @ ( in @ X2 @ X4 )
                  @ ( ^ [X5: $o,X6: $o] :
                        ( X5
                       => X6 )
                    @ ( in @ X4 @ X1 )
                    @ X3 ) )
              @ X3 ) ) ) ) ).

thf(setunionE2,conjecture,
    ( sP5
   => ! [X1: $i,X2: $i] :
        ( ( in @ X2 @ ( setunion @ X1 ) )
       => ~ ! [X3: $i] :
              ( ( in @ X3 @ X1 )
             => ~ ( in @ X2 @ X3 ) ) ) ) ).

thf(h1,negated_conjecture,
    ~ ( sP5
     => ! [X1: $i,X2: $i] :
          ( ( in @ X2 @ ( setunion @ X1 ) )
         => ~ ! [X3: $i] :
                ( ( in @ X3 @ X1 )
               => ~ ( in @ X2 @ X3 ) ) ) ),
    inference(assume_negation,[status(cth)],[setunionE2]) ).

thf(h2,assumption,
    sP5,
    introduced(assumption,[]) ).

thf(h3,assumption,
    ~ ! [X1: $i,X2: $i] :
        ( ( in @ X2 @ ( setunion @ X1 ) )
       => ~ ! [X3: $i] :
              ( ( in @ X3 @ X1 )
             => ~ ( in @ X2 @ X3 ) ) ),
    introduced(assumption,[]) ).

thf(h4,assumption,
    ~ ! [X1: $i] :
        ( ( in @ X1 @ ( setunion @ eigen__0 ) )
       => ~ ! [X2: $i] :
              ( ( in @ X2 @ eigen__0 )
             => ~ ( in @ X1 @ X2 ) ) ),
    introduced(assumption,[]) ).

thf(h5,assumption,
    ~ ( sP1
     => ~ sP7 ),
    introduced(assumption,[]) ).

thf(h6,assumption,
    sP1,
    introduced(assumption,[]) ).

thf(h7,assumption,
    sP7,
    introduced(assumption,[]) ).

thf(1,plain,
    ( ~ sP8
    | ~ sP3
    | ~ sP10 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP7
    | sP8 ),
    inference(all_rule,[status(thm)],]) ).

thf(3,plain,
    ( sP4
    | sP3 ),
    inference(prop_rule,[status(thm)],]) ).

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

thf(5,plain,
    ( sP6
    | ~ sP4 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__3]) ).

thf(6,plain,
    ( ~ sP2
    | ~ sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(7,plain,
    ( ~ sP11
    | ~ sP1
    | sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    ( ~ sP9
    | sP11 ),
    inference(all_rule,[status(thm)],]) ).

thf(9,plain,
    ( ~ sP5
    | sP9 ),
    inference(all_rule,[status(thm)],]) ).

thf(10,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h6,h7,h5,h4,h2,h3,h1,h0])],[1,2,3,4,5,6,7,8,9,h2,h6,h7]) ).

thf(11,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h5,h4,h2,h3,h1,h0]),tab_negimp(discharge,[h6,h7])],[h5,10,h6,h7]) ).

thf(12,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h4,h2,h3,h1,h0]),tab_negall(discharge,[h5]),tab_negall(eigenvar,eigen__1)],[h4,11,h5]) ).

thf(13,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h2,h3,h1,h0]),tab_negall(discharge,[h4]),tab_negall(eigenvar,eigen__0)],[h3,12,h4]) ).

thf(14,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h1,h0]),tab_negimp(discharge,[h2,h3])],[h1,13,h2,h3]) ).

thf(15,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[14,h0]) ).

thf(0,theorem,
    ( sP5
   => ! [X1: $i,X2: $i] :
        ( ( in @ X2 @ ( setunion @ X1 ) )
       => ~ ! [X3: $i] :
              ( ( in @ X3 @ X1 )
             => ~ ( in @ X2 @ X3 ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h1])],[14,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU633^2 : TPTP v8.1.2. Released v3.7.0.
% 0.00/0.13  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.13/0.34  % Computer : n028.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 Aug 23 17:52:03 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.42  % SZS status Theorem
% 0.19/0.42  % Mode: cade22grackle2xfee4
% 0.19/0.42  % Steps: 175
% 0.19/0.42  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------