TSTP Solution File: SEU550^2 by Lash---1.13

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : SEU550^2 : TPTP v8.1.2. Bugfixed v5.2.0.
% 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 17:18:34 EDT 2023

% Result   : Theorem 0.20s 0.43s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   80
% Syntax   : Number of formulae    :   95 (  25 unt;   6 typ;   3 def)
%            Number of atoms       :  225 (  52 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  250 (  69   ~;  34   |;   1   &;  65   @)
%                                         (  31 <=>;  50  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   11 (  11   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   41 (  39 usr;  38 con; 0-2 aty)
%            Number of variables   :   54 (   5   ^;  48   !;   1   ?;  54   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_eigen__0,type,
    eigen__0: $i > $o ).

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

thf(ty_eigen__4,type,
    eigen__4: $i ).

thf(ty_eigen__7,type,
    eigen__7: $i ).

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

thf(ty_eigen__2,type,
    eigen__2: $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] :
          ~ ( ( eigen__1 @ X1 )
           => ( eigen__2 = X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__3])]) ).

thf(eigendef_eigen__7,definition,
    ( eigen__7
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( eigen__0 @ X1 )
           => ( eigen__4 = X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__7])]) ).

thf(sP1,plain,
    ( sP1
  <=> ! [X1: $i] :
        ( ( eigen__0 @ X1 )
       => ( eigen__2 = X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( ( eigen__0 @ eigen__3 )
      = ( eigen__1 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ! [X1: $i] :
        ( ( eigen__4 = X1 )
       => ( ( eigen__0 @ eigen__4 )
          = ( eigen__1 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( ( eigen__1 @ eigen__2 )
     => ~ ! [X1: $i] :
            ( ( eigen__1 @ X1 )
           => ( eigen__2 = X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: $i] :
        ( ( eigen__1 @ X1 )
       => ( eigen__2 = X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

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

thf(sP7,plain,
    ( sP7
  <=> ( ( eigen__0 @ eigen__4 )
     => ~ ! [X1: $i] :
            ( ( eigen__0 @ X1 )
           => ( eigen__4 = X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ! [X1: $i] :
        ( ( eigen__0 @ X1 )
       => ( eigen__4 = X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ( eigen__0 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( eigen__1 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ( eigen__4 = eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ( sP9
     => ( eigen__2 = eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ( eigen__2 = eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ( eigen__1 @ eigen__2 ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ( ( eigen__1 @ eigen__3 )
     => sP13 ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

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

thf(sP17,plain,
    ( sP17
  <=> ( eigen__0 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(sP18,plain,
    ( sP18
  <=> ! [X1: $i] :
        ( ( eigen__1 @ X1 )
       => ( eigen__4 = X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP18])]) ).

thf(sP19,plain,
    ( sP19
  <=> ! [X1: $i] :
        ( ( eigen__3 = X1 )
       => ( sP9
          = ( eigen__1 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP19])]) ).

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

thf(sP21,plain,
    ( sP21
  <=> ! [X1: $i] :
        ( ( eigen__7 = X1 )
       => ( sP17
          = ( eigen__1 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP21])]) ).

thf(sP22,plain,
    ( sP22
  <=> ! [X1: $i] :
        ( ( eigen__1 @ X1 )
       => ~ ! [X2: $i] :
              ( ( eigen__1 @ X2 )
             => ( X1 = X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP22])]) ).

thf(sP23,plain,
    ( sP23
  <=> ( sP17 = sP10 ) ),
    introduced(definition,[new_symbols(definition,[sP23])]) ).

thf(sP24,plain,
    ( sP24
  <=> ( sP20 = sP14 ) ),
    introduced(definition,[new_symbols(definition,[sP24])]) ).

thf(sP25,plain,
    ( sP25
  <=> ( eigen__1 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP25])]) ).

thf(sP26,plain,
    ( sP26
  <=> ( sP17
     => sP11 ) ),
    introduced(definition,[new_symbols(definition,[sP26])]) ).

thf(sP27,plain,
    ( sP27
  <=> ! [X1: $i,X2: $i] :
        ( ( X1 = X2 )
       => ( ( eigen__0 @ X1 )
          = ( eigen__1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP27])]) ).

thf(sP28,plain,
    ( sP28
  <=> ( eigen__0 @ eigen__4 ) ),
    introduced(definition,[new_symbols(definition,[sP28])]) ).

thf(sP29,plain,
    ( sP29
  <=> ( sP28
      = ( eigen__1 @ eigen__4 ) ) ),
    introduced(definition,[new_symbols(definition,[sP29])]) ).

thf(sP30,plain,
    ( sP30
  <=> ( eigen__1 @ eigen__4 ) ),
    introduced(definition,[new_symbols(definition,[sP30])]) ).

thf(sP31,plain,
    ( sP31
  <=> ( sP10
     => sP11 ) ),
    introduced(definition,[new_symbols(definition,[sP31])]) ).

thf(def_exu,definition,
    ( exu
    = ( ^ [X1: $i > $o] :
        ? [X2: $i] :
          ( ( X1 @ X2 )
          & ! [X3: $i] :
              ( ^ [X4: $o,X5: $o] :
                  ( X4
                 => X5 )
              @ ( X1 @ X3 )
              @ ( X2 = X3 ) ) ) ) ) ).

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

thf(h1,negated_conjecture,
    ~ ! [X1: $i > $o,X2: $i > $o] :
        ( ! [X3: $i,X4: $i] :
            ( ( X3 = X4 )
           => ( ( X1 @ X3 )
              = ( X2 @ X4 ) ) )
       => ( ( ~ ! [X3: $i] :
                  ( ( X1 @ X3 )
                 => ~ ! [X4: $i] :
                        ( ( X1 @ X4 )
                       => ( X3 = X4 ) ) ) )
          = ( ~ ! [X3: $i] :
                  ( ( X2 @ X3 )
                 => ~ ! [X4: $i] :
                        ( ( X2 @ X4 )
                       => ( X3 = X4 ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[exu__Cong]) ).

thf(h2,assumption,
    ~ ! [X1: $i > $o] :
        ( ! [X2: $i,X3: $i] :
            ( ( X2 = X3 )
           => ( ( eigen__0 @ X2 )
              = ( X1 @ X3 ) ) )
       => ( ~ sP16
          = ( ~ ! [X2: $i] :
                  ( ( X1 @ X2 )
                 => ~ ! [X3: $i] :
                        ( ( X1 @ X3 )
                       => ( X2 = X3 ) ) ) ) ) ),
    introduced(assumption,[]) ).

thf(h3,assumption,
    ~ ( sP27
     => ( ~ sP16 = ~ sP22 ) ),
    introduced(assumption,[]) ).

thf(h4,assumption,
    sP27,
    introduced(assumption,[]) ).

thf(h5,assumption,
    ( ~ sP16 != ~ sP22 ),
    introduced(assumption,[]) ).

thf(h6,assumption,
    ~ sP16,
    introduced(assumption,[]) ).

thf(h7,assumption,
    ~ sP22,
    introduced(assumption,[]) ).

thf(h8,assumption,
    sP16,
    introduced(assumption,[]) ).

thf(h9,assumption,
    sP22,
    introduced(assumption,[]) ).

thf(h10,assumption,
    ~ ( sP20
     => ~ sP1 ),
    introduced(assumption,[]) ).

thf(h11,assumption,
    sP20,
    introduced(assumption,[]) ).

thf(h12,assumption,
    sP1,
    introduced(assumption,[]) ).

thf(1,plain,
    ( ~ sP2
    | sP9
    | ~ sP25 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP12
    | ~ sP9
    | sP13 ),
    inference(prop_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP19
    | sP2 ),
    inference(all_rule,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP1
    | sP12 ),
    inference(all_rule,[status(thm)],]) ).

thf(5,plain,
    ( ~ sP27
    | sP19 ),
    inference(all_rule,[status(thm)],]) ).

thf(6,plain,
    ( sP15
    | ~ sP13 ),
    inference(prop_rule,[status(thm)],]) ).

thf(7,plain,
    ( sP15
    | sP25 ),
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    ( sP5
    | ~ sP15 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__3]) ).

thf(9,plain,
    ( ~ sP24
    | ~ sP20
    | sP14 ),
    inference(prop_rule,[status(thm)],]) ).

thf(10,plain,
    ( ~ sP4
    | ~ sP14
    | ~ sP5 ),
    inference(prop_rule,[status(thm)],]) ).

thf(11,plain,
    ( ~ sP6
    | sP24 ),
    inference(all_rule,[status(thm)],]) ).

thf(12,plain,
    ( ~ sP22
    | sP4 ),
    inference(all_rule,[status(thm)],]) ).

thf(13,plain,
    ( ~ sP27
    | sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(14,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h11,h12,h10,h6,h7,h4,h5,h3,h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,13,h4,h11,h12,h7]) ).

thf(15,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h10,h6,h7,h4,h5,h3,h2,h1,h0]),tab_negimp(discharge,[h11,h12])],[h10,14,h11,h12]) ).

thf(16,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h6,h7,h4,h5,h3,h2,h1,h0]),tab_negall(discharge,[h10]),tab_negall(eigenvar,eigen__2)],[h6,15,h10]) ).

thf(h13,assumption,
    ~ ( sP30
     => ~ sP18 ),
    introduced(assumption,[]) ).

thf(h14,assumption,
    sP30,
    introduced(assumption,[]) ).

thf(h15,assumption,
    sP18,
    introduced(assumption,[]) ).

thf(17,plain,
    ( ~ sP23
    | ~ sP17
    | sP10 ),
    inference(prop_rule,[status(thm)],]) ).

thf(18,plain,
    ( ~ sP31
    | ~ sP10
    | sP11 ),
    inference(prop_rule,[status(thm)],]) ).

thf(19,plain,
    ( ~ sP21
    | sP23 ),
    inference(all_rule,[status(thm)],]) ).

thf(20,plain,
    ( ~ sP18
    | sP31 ),
    inference(all_rule,[status(thm)],]) ).

thf(21,plain,
    ( ~ sP27
    | sP21 ),
    inference(all_rule,[status(thm)],]) ).

thf(22,plain,
    ( sP26
    | ~ sP11 ),
    inference(prop_rule,[status(thm)],]) ).

thf(23,plain,
    ( sP26
    | sP17 ),
    inference(prop_rule,[status(thm)],]) ).

thf(24,plain,
    ( sP8
    | ~ sP26 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__7]) ).

thf(25,plain,
    ( ~ sP29
    | sP28
    | ~ sP30 ),
    inference(prop_rule,[status(thm)],]) ).

thf(26,plain,
    ( ~ sP7
    | ~ sP28
    | ~ sP8 ),
    inference(prop_rule,[status(thm)],]) ).

thf(27,plain,
    ( ~ sP3
    | sP29 ),
    inference(all_rule,[status(thm)],]) ).

thf(28,plain,
    ( ~ sP16
    | sP7 ),
    inference(all_rule,[status(thm)],]) ).

thf(29,plain,
    ( ~ sP27
    | sP3 ),
    inference(all_rule,[status(thm)],]) ).

thf(30,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h14,h15,h13,h8,h9,h4,h5,h3,h2,h1,h0])],[17,18,19,20,21,22,23,24,25,26,27,28,29,h4,h8,h14,h15]) ).

thf(31,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h13,h8,h9,h4,h5,h3,h2,h1,h0]),tab_negimp(discharge,[h14,h15])],[h13,30,h14,h15]) ).

thf(32,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h8,h9,h4,h5,h3,h2,h1,h0]),tab_negall(discharge,[h13]),tab_negall(eigenvar,eigen__4)],[h9,31,h13]) ).

thf(33,plain,
    $false,
    inference(tab_be,[status(thm),assumptions([h4,h5,h3,h2,h1,h0]),tab_be(discharge,[h6,h7]),tab_be(discharge,[h8,h9])],[h5,16,32,h6,h7,h8,h9]) ).

thf(34,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h3,h2,h1,h0]),tab_negimp(discharge,[h4,h5])],[h3,33,h4,h5]) ).

thf(35,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h2,h1,h0]),tab_negall(discharge,[h3]),tab_negall(eigenvar,eigen__1)],[h2,34,h3]) ).

thf(36,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h1,h0]),tab_negall(discharge,[h2]),tab_negall(eigenvar,eigen__0)],[h1,35,h2]) ).

thf(37,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[36,h0]) ).

thf(0,theorem,
    ! [X1: $i > $o,X2: $i > $o] :
      ( ! [X3: $i,X4: $i] :
          ( ( X3 = X4 )
         => ( ( X1 @ X3 )
            = ( X2 @ X4 ) ) )
     => ( ( ~ ! [X3: $i] :
                ( ( X1 @ X3 )
               => ~ ! [X4: $i] :
                      ( ( X1 @ X4 )
                     => ( X3 = X4 ) ) ) )
        = ( ~ ! [X3: $i] :
                ( ( X2 @ X3 )
               => ~ ! [X4: $i] :
                      ( ( X2 @ X4 )
                     => ( X3 = X4 ) ) ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h1])],[36,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU550^2 : TPTP v8.1.2. Bugfixed v5.2.0.
% 0.00/0.13  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.13/0.34  % Computer : n020.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 13:10:45 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.20/0.43  % SZS status Theorem
% 0.20/0.43  % Mode: cade22grackle2xfee4
% 0.20/0.43  % Steps: 216
% 0.20/0.43  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------