TSTP Solution File: SET724^4 by Lash---1.13

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%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : SET724^4 : TPTP v8.1.2. Released v3.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : lash -P picomus -M modes -p tstp -t %d %s

% Computer : n026.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 15:18:22 EDT 2023

% Result   : Theorem 0.20s 0.58s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   50
% Syntax   : Number of formulae    :   63 (  26 unt;   5 typ;  10 def)
%            Number of atoms       :  123 (  46 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  192 (  49   ~;  17   |;   3   &;  92   @)
%                                         (  14 <=>;  17  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   31 (  31   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   31 (  29 usr;  27 con; 0-2 aty)
%            Number of variables   :   72 (  36   ^;  33   !;   3   ?;  72   :)

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

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

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

thf(ty_eigen__2,type,
    eigen__2: $i > $i ).

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

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

thf(eigendef_eigen__6,definition,
    ( eigen__6
    = ( eps__0
      @ ^ [X1: $i] :
          ( ( eigen__2 @ eigen__3 )
         != ( eigen__0 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__6])]) ).

thf(eigendef_eigen__4,definition,
    ( eigen__4
    = ( eps__0
      @ ^ [X1: $i] :
          ( eigen__3
         != ( eigen__0 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__4])]) ).

thf(sP1,plain,
    ( sP1
  <=> ! [X1: $i] :
        ~ ! [X2: $i] :
            ( X1
           != ( eigen__0 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( eigen__3
      = ( eigen__0 @ eigen__4 ) ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ( ( eigen__2 @ ( eigen__0 @ eigen__4 ) )
      = ( eigen__2 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( ( eigen__1 @ ( eigen__0 @ eigen__4 ) )
      = ( eigen__1 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ( ( eigen__0 @ eigen__4 )
      = eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ! [X1: $i] :
        ( eigen__3
       != ( eigen__0 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( ( eigen__2 @ eigen__3 )
      = ( eigen__0 @ eigen__6 ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ( ( ^ [X1: $i] : ( eigen__1 @ ( eigen__0 @ X1 ) ) )
      = ( ^ [X1: $i] : ( eigen__2 @ ( eigen__0 @ X1 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ( ( eigen__1 @ eigen__3 )
      = ( eigen__2 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( ( eigen__2 @ eigen__3 )
      = ( eigen__1 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ! [X1: $i] :
        ( ( eigen__2 @ eigen__3 )
       != ( eigen__0 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ! [X1: $i] :
        ( ( eigen__1 @ ( eigen__0 @ X1 ) )
        = ( eigen__2 @ ( eigen__0 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> $false ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ( ( eigen__1 @ ( eigen__0 @ eigen__4 ) )
      = ( eigen__2 @ ( eigen__0 @ eigen__4 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(def_fun_image,definition,
    ( fun_image
    = ( ^ [X1: $i > $i,X2: $i > $o,X3: $i] :
        ? [X4: $i] :
          ( ( X2 @ X4 )
          & ( X3
            = ( X1 @ X4 ) ) ) ) ) ).

thf(def_fun_composition,definition,
    ( fun_composition
    = ( ^ [X1: $i > $i,X2: $i > $i,X3: $i] : ( X2 @ ( X1 @ X3 ) ) ) ) ).

thf(def_fun_inv_image,definition,
    ( fun_inv_image
    = ( ^ [X1: $i > $i,X2: $i > $o,X3: $i] :
        ? [X4: $i] :
          ( ( X2 @ X4 )
          & ( X4
            = ( X1 @ X3 ) ) ) ) ) ).

thf(def_fun_injective,definition,
    ( fun_injective
    = ( ^ [X1: $i > $i] :
        ! [X2: $i,X3: $i] :
          ( ^ [X4: $o,X5: $o] :
              ( X4
             => X5 )
          @ ( ( X1 @ X2 )
            = ( X1 @ X3 ) )
          @ ( X2 = X3 ) ) ) ) ).

thf(def_fun_surjective,definition,
    ( fun_surjective
    = ( ^ [X1: $i > $i] :
        ! [X2: $i] :
        ? [X3: $i] :
          ( X2
          = ( X1 @ X3 ) ) ) ) ).

thf(def_fun_bijective,definition,
    ( fun_bijective
    = ( ^ [X1: $i > $i] :
          ( ( fun_injective @ X1 )
          & ( fun_surjective @ X1 ) ) ) ) ).

thf(def_fun_decreasing,definition,
    ( fun_decreasing
    = ( ^ [X1: $i > $i,X2: $i > $i > $o] :
        ! [X3: $i,X4: $i] :
          ( ^ [X5: $o,X6: $o] :
              ( X5
             => X6 )
          @ ( X2 @ X3 @ X4 )
          @ ( X2 @ ( X1 @ X4 ) @ ( X1 @ X3 ) ) ) ) ) ).

thf(def_fun_increasing,definition,
    ( fun_increasing
    = ( ^ [X1: $i > $i,X2: $i > $i > $o] :
        ! [X3: $i,X4: $i] :
          ( ^ [X5: $o,X6: $o] :
              ( X5
             => X6 )
          @ ( X2 @ X3 @ X4 )
          @ ( X2 @ ( X1 @ X3 ) @ ( X1 @ X4 ) ) ) ) ) ).

thf(thm,conjecture,
    ! [X1: $i > $i,X2: $i > $i,X3: $i > $i] :
      ( ~ ( ( ( ^ [X4: $i] : ( X2 @ ( X1 @ X4 ) ) )
            = ( ^ [X4: $i] : ( X3 @ ( X1 @ X4 ) ) ) )
         => ~ ! [X4: $i] :
                ~ ! [X5: $i] :
                    ( X4
                   != ( X1 @ X5 ) ) )
     => ( X2 = X3 ) ) ).

thf(h1,negated_conjecture,
    ~ ! [X1: $i > $i,X2: $i > $i,X3: $i > $i] :
        ( ~ ( ( ( ^ [X4: $i] : ( X2 @ ( X1 @ X4 ) ) )
              = ( ^ [X4: $i] : ( X3 @ ( X1 @ X4 ) ) ) )
           => ~ ! [X4: $i] :
                  ~ ! [X5: $i] :
                      ( X4
                     != ( X1 @ X5 ) ) )
       => ( X2 = X3 ) ),
    inference(assume_negation,[status(cth)],[thm]) ).

thf(h2,assumption,
    ~ ! [X1: $i > $i,X2: $i > $i] :
        ( ~ ( ( ( ^ [X3: $i] : ( X1 @ ( eigen__0 @ X3 ) ) )
              = ( ^ [X3: $i] : ( X2 @ ( eigen__0 @ X3 ) ) ) )
           => ~ sP1 )
       => ( X1 = X2 ) ),
    introduced(assumption,[]) ).

thf(h3,assumption,
    ~ ! [X1: $i > $i] :
        ( ~ ( ( ( ^ [X2: $i] : ( eigen__1 @ ( eigen__0 @ X2 ) ) )
              = ( ^ [X2: $i] : ( X1 @ ( eigen__0 @ X2 ) ) ) )
           => ~ sP1 )
       => ( eigen__1 = X1 ) ),
    introduced(assumption,[]) ).

thf(h4,assumption,
    ~ ( ~ ( sP8
         => ~ sP1 )
     => ( eigen__1 = eigen__2 ) ),
    introduced(assumption,[]) ).

thf(h5,assumption,
    ~ ( sP8
     => ~ sP1 ),
    introduced(assumption,[]) ).

thf(h6,assumption,
    eigen__1 != eigen__2,
    introduced(assumption,[]) ).

thf(h7,assumption,
    sP8,
    introduced(assumption,[]) ).

thf(h8,assumption,
    sP1,
    introduced(assumption,[]) ).

thf(h9,assumption,
    ~ ! [X1: $i] :
        ( ( eigen__1 @ X1 )
        = ( eigen__2 @ X1 ) ),
    introduced(assumption,[]) ).

thf(h10,assumption,
    ~ sP9,
    introduced(assumption,[]) ).

thf(1,plain,
    ( sP3
    | ~ sP5 ),
    inference(prop_rule,[status(thm)],]) ).

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

thf(3,plain,
    ( ~ sP14
    | sP10
    | ~ sP3
    | ~ sP4 ),
    inference(confrontation_rule,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP2
    | sP5
    | ~ sP2
    | sP13 ),
    inference(confrontation_rule,[status(thm)],]) ).

thf(5,plain,
    ( ~ sP12
    | sP14 ),
    inference(all_rule,[status(thm)],]) ).

thf(6,plain,
    ( ~ sP7
    | sP9
    | ~ sP10
    | sP13 ),
    inference(confrontation_rule,[status(thm)],]) ).

thf(7,plain,
    ~ sP13,
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    ( sP11
    | sP7 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__6]) ).

thf(9,plain,
    ( ~ sP1
    | ~ sP11 ),
    inference(all_rule,[status(thm)],]) ).

thf(10,plain,
    ( sP6
    | sP2 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__4]) ).

thf(11,plain,
    ( ~ sP1
    | ~ sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(12,plain,
    ( ~ sP8
    | sP12 ),
    inference(prop_rule,[status(thm)],]) ).

thf(13,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h10,h9,h7,h8,h5,h6,h4,h3,h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,h7,h8,h10]) ).

thf(14,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h9,h7,h8,h5,h6,h4,h3,h2,h1,h0]),tab_negall(discharge,[h10]),tab_negall(eigenvar,eigen__3)],[h9,13,h10]) ).

thf(15,plain,
    $false,
    inference(tab_fe,[status(thm),assumptions([h7,h8,h5,h6,h4,h3,h2,h1,h0]),tab_fe(discharge,[h9])],[h6,14,h9]) ).

thf(16,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h5,h6,h4,h3,h2,h1,h0]),tab_negimp(discharge,[h7,h8])],[h5,15,h7,h8]) ).

thf(17,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h4,h3,h2,h1,h0]),tab_negimp(discharge,[h5,h6])],[h4,16,h5,h6]) ).

thf(18,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h3,h2,h1,h0]),tab_negall(discharge,[h4]),tab_negall(eigenvar,eigen__2)],[h3,17,h4]) ).

thf(19,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h2,h1,h0]),tab_negall(discharge,[h3]),tab_negall(eigenvar,eigen__1)],[h2,18,h3]) ).

thf(20,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h1,h0]),tab_negall(discharge,[h2]),tab_negall(eigenvar,eigen__0)],[h1,19,h2]) ).

thf(21,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[20,h0]) ).

thf(0,theorem,
    ! [X1: $i > $i,X2: $i > $i,X3: $i > $i] :
      ( ~ ( ( ( ^ [X4: $i] : ( X2 @ ( X1 @ X4 ) ) )
            = ( ^ [X4: $i] : ( X3 @ ( X1 @ X4 ) ) ) )
         => ~ ! [X4: $i] :
                ~ ! [X5: $i] :
                    ( X4
                   != ( X1 @ X5 ) ) )
     => ( X2 = X3 ) ),
    inference(contra,[status(thm),contra(discharge,[h1])],[20,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.14/0.17  % Problem  : SET724^4 : TPTP v8.1.2. Released v3.6.0.
% 0.14/0.17  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.14/0.38  % Computer : n026.cluster.edu
% 0.14/0.38  % Model    : x86_64 x86_64
% 0.14/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.38  % Memory   : 8042.1875MB
% 0.14/0.38  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.38  % CPULimit : 300
% 0.14/0.38  % WCLimit  : 300
% 0.14/0.38  % DateTime : Sat Aug 26 16:17:19 EDT 2023
% 0.14/0.38  % CPUTime  : 
% 0.20/0.58  % SZS status Theorem
% 0.20/0.58  % Mode: cade22grackle2xfee4
% 0.20/0.58  % Steps: 3535
% 0.20/0.58  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------