TSTP Solution File: ITP028^1 by Lash---1.13

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : ITP028^1 : TPTP v8.1.2. Released v7.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : lash -P picomus -M modes -p tstp -t %d %s

% Computer : n024.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 04:01:35 EDT 2023

% Result   : Theorem 0.19s 0.48s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :  200
% Syntax   : Number of formulae    :  247 (  85 unt;  21 typ;   1 def)
%            Number of atoms       :  494 (   1 equ;   0 cnn)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  655 ( 182   ~;  79   |;   0   &; 206   @)
%                                         (  70 <=>; 118  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    5 (   4 usr)
%            Number of type conns  :    9 (   9   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   90 (  88 usr;  85 con; 0-2 aty)
%            Number of variables   :    5 (   1   ^;   4   !;   0   ?;   5   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_produc715398134_a_a_e,type,
    produc715398134_a_a_e: $tType ).

thf(ty_set_Pr204296108_a_a_e,type,
    set_Pr204296108_a_a_e: $tType ).

thf(ty_set_a,type,
    set_a: $tType ).

thf(ty_set_set_a,type,
    set_set_a: $tType ).

thf(ty_c,type,
    c: set_Pr204296108_a_a_e ).

thf(ty_member_set_a,type,
    member_set_a: set_a > set_set_a > $o ).

thf(ty_a2,type,
    a2: set_a ).

thf(ty_image_64240033_set_a,type,
    image_64240033_set_a: ( produc715398134_a_a_e > set_a ) > set_Pr204296108_a_a_e > set_set_a ).

thf(ty_eigen__7,type,
    eigen__7: set_a ).

thf(ty_ord_less_eq_set_a,type,
    ord_less_eq_set_a: set_a > set_a > $o ).

thf(ty_eigen__4,type,
    eigen__4: set_a ).

thf(ty_eigen__2,type,
    eigen__2: set_a ).

thf(ty_a3,type,
    a3: set_a ).

thf(ty_eigen__6,type,
    eigen__6: set_a ).

thf(ty_a1,type,
    a1: set_a ).

thf(ty_eigen__3,type,
    eigen__3: set_a ).

thf(ty_thesis,type,
    thesis: $o ).

thf(ty_eigen__0,type,
    eigen__0: set_a ).

thf(ty_eigen__1,type,
    eigen__1: set_a ).

thf(ty_eigen__5,type,
    eigen__5: set_a ).

thf(ty_produc1040928388_a_a_e,type,
    produc1040928388_a_a_e: produc715398134_a_a_e > set_a ).

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

thf(eigendef_eigen__7,definition,
    ( eigen__7
    = ( eps__0
      @ ^ [X1: set_a] :
          ~ ( ~ ( ~ ( ( member_set_a @ X1 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) )
                   => ~ ( ord_less_eq_set_a @ a1 @ X1 ) )
               => ~ ( ord_less_eq_set_a @ a2 @ X1 ) )
           => ~ ( ord_less_eq_set_a @ a3 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__7])]) ).

thf(sP1,plain,
    ( sP1
  <=> ( ord_less_eq_set_a @ a3 @ eigen__0 ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( ord_less_eq_set_a @ a3 @ eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ( ( ord_less_eq_set_a @ a1 @ eigen__5 )
     => ( ( ord_less_eq_set_a @ a2 @ eigen__5 )
       => ( ( ord_less_eq_set_a @ a3 @ eigen__5 )
         => thesis ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( ( ord_less_eq_set_a @ a1 @ eigen__3 )
     => ( ( ord_less_eq_set_a @ a2 @ eigen__3 )
       => ( ( ord_less_eq_set_a @ a3 @ eigen__3 )
         => thesis ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ( member_set_a @ eigen__5 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ( sP2
     => thesis ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( ord_less_eq_set_a @ a2 @ eigen__6 ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ( ( member_set_a @ eigen__6 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) )
     => ( ( ord_less_eq_set_a @ a1 @ eigen__6 )
       => ( sP7
         => ( ( ord_less_eq_set_a @ a3 @ eigen__6 )
           => thesis ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ( ord_less_eq_set_a @ a1 @ eigen__6 ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( ( ord_less_eq_set_a @ a2 @ eigen__0 )
     => ( sP1
       => thesis ) ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ( ord_less_eq_set_a @ a1 @ eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ( member_set_a @ eigen__4 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ( sP9
     => ( sP7
       => ( ( ord_less_eq_set_a @ a3 @ eigen__6 )
         => thesis ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ( member_set_a @ eigen__0 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ( ord_less_eq_set_a @ a3 @ eigen__6 ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ( sP11
     => ( ( ord_less_eq_set_a @ a2 @ eigen__1 )
       => sP6 ) ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ( ord_less_eq_set_a @ a3 @ eigen__2 ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(sP18,plain,
    ( sP18
  <=> ( sP12
     => ( ( ord_less_eq_set_a @ a1 @ eigen__4 )
       => ( ( ord_less_eq_set_a @ a2 @ eigen__4 )
         => ( ( ord_less_eq_set_a @ a3 @ eigen__4 )
           => thesis ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP18])]) ).

thf(sP19,plain,
    ( sP19
  <=> ( sP14
     => ( ( ord_less_eq_set_a @ a1 @ eigen__0 )
       => sP10 ) ) ),
    introduced(definition,[new_symbols(definition,[sP19])]) ).

thf(sP20,plain,
    ( sP20
  <=> ( ord_less_eq_set_a @ a1 @ eigen__4 ) ),
    introduced(definition,[new_symbols(definition,[sP20])]) ).

thf(sP21,plain,
    ( sP21
  <=> ( ( member_set_a @ eigen__7 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) )
     => ( ( ord_less_eq_set_a @ a1 @ eigen__7 )
       => ( ( ord_less_eq_set_a @ a2 @ eigen__7 )
         => ( ( ord_less_eq_set_a @ a3 @ eigen__7 )
           => thesis ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP21])]) ).

thf(sP22,plain,
    ( sP22
  <=> ( ord_less_eq_set_a @ a2 @ eigen__2 ) ),
    introduced(definition,[new_symbols(definition,[sP22])]) ).

thf(sP23,plain,
    ( sP23
  <=> ( sP1
     => thesis ) ),
    introduced(definition,[new_symbols(definition,[sP23])]) ).

thf(sP24,plain,
    ( sP24
  <=> ( ord_less_eq_set_a @ a3 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP24])]) ).

thf(sP25,plain,
    ( sP25
  <=> ( sP5
     => sP3 ) ),
    introduced(definition,[new_symbols(definition,[sP25])]) ).

thf(sP26,plain,
    ( sP26
  <=> ( member_set_a @ eigen__1 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP26])]) ).

thf(sP27,plain,
    ( sP27
  <=> ( member_set_a @ eigen__3 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP27])]) ).

thf(sP28,plain,
    ( sP28
  <=> ( ( ord_less_eq_set_a @ a2 @ eigen__7 )
     => ( ( ord_less_eq_set_a @ a3 @ eigen__7 )
       => thesis ) ) ),
    introduced(definition,[new_symbols(definition,[sP28])]) ).

thf(sP29,plain,
    ( sP29
  <=> ( ord_less_eq_set_a @ a2 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP29])]) ).

thf(sP30,plain,
    ( sP30
  <=> ( ord_less_eq_set_a @ a1 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP30])]) ).

thf(sP31,plain,
    ( sP31
  <=> ( ( ord_less_eq_set_a @ a1 @ eigen__2 )
     => ( sP22
       => ( sP17
         => thesis ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP31])]) ).

thf(sP32,plain,
    ( sP32
  <=> ( sP29
     => ( sP24
       => thesis ) ) ),
    introduced(definition,[new_symbols(definition,[sP32])]) ).

thf(sP33,plain,
    ( sP33
  <=> ( sP26
     => sP16 ) ),
    introduced(definition,[new_symbols(definition,[sP33])]) ).

thf(sP34,plain,
    ( sP34
  <=> ( ( ord_less_eq_set_a @ a3 @ eigen__5 )
     => thesis ) ),
    introduced(definition,[new_symbols(definition,[sP34])]) ).

thf(sP35,plain,
    ( sP35
  <=> thesis ),
    introduced(definition,[new_symbols(definition,[sP35])]) ).

thf(sP36,plain,
    ( sP36
  <=> ( ( ord_less_eq_set_a @ a1 @ eigen__0 )
     => sP10 ) ),
    introduced(definition,[new_symbols(definition,[sP36])]) ).

thf(sP37,plain,
    ( sP37
  <=> ( ( ord_less_eq_set_a @ a1 @ eigen__7 )
     => sP28 ) ),
    introduced(definition,[new_symbols(definition,[sP37])]) ).

thf(sP38,plain,
    ( sP38
  <=> ( ( member_set_a @ eigen__2 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) )
     => sP31 ) ),
    introduced(definition,[new_symbols(definition,[sP38])]) ).

thf(sP39,plain,
    ( sP39
  <=> ( ord_less_eq_set_a @ a2 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP39])]) ).

thf(sP40,plain,
    ( sP40
  <=> ( ord_less_eq_set_a @ a3 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP40])]) ).

thf(sP41,plain,
    ( sP41
  <=> ( sP7
     => ( sP15
       => sP35 ) ) ),
    introduced(definition,[new_symbols(definition,[sP41])]) ).

thf(sP42,plain,
    ( sP42
  <=> ( sP17
     => sP35 ) ),
    introduced(definition,[new_symbols(definition,[sP42])]) ).

thf(sP43,plain,
    ( sP43
  <=> ( sP24
     => sP35 ) ),
    introduced(definition,[new_symbols(definition,[sP43])]) ).

thf(sP44,plain,
    ( sP44
  <=> ( ord_less_eq_set_a @ a2 @ eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP44])]) ).

thf(sP45,plain,
    ( sP45
  <=> ( member_set_a @ eigen__6 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP45])]) ).

thf(sP46,plain,
    ( sP46
  <=> ( ord_less_eq_set_a @ a1 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP46])]) ).

thf(sP47,plain,
    ( sP47
  <=> ! [X1: set_a] :
        ( ( member_set_a @ X1 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) )
       => ( ( ord_less_eq_set_a @ a1 @ X1 )
         => ( ( ord_less_eq_set_a @ a2 @ X1 )
           => ( ( ord_less_eq_set_a @ a3 @ X1 )
             => sP35 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP47])]) ).

thf(sP48,plain,
    ( sP48
  <=> ( ord_less_eq_set_a @ a2 @ eigen__0 ) ),
    introduced(definition,[new_symbols(definition,[sP48])]) ).

thf(sP49,plain,
    ( sP49
  <=> ( ord_less_eq_set_a @ a2 @ eigen__4 ) ),
    introduced(definition,[new_symbols(definition,[sP49])]) ).

thf(sP50,plain,
    ( sP50
  <=> ( sP20
     => ( sP49
       => ( ( ord_less_eq_set_a @ a3 @ eigen__4 )
         => sP35 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP50])]) ).

thf(sP51,plain,
    ( sP51
  <=> ( ord_less_eq_set_a @ a2 @ eigen__5 ) ),
    introduced(definition,[new_symbols(definition,[sP51])]) ).

thf(sP52,plain,
    ( sP52
  <=> ( sP49
     => ( ( ord_less_eq_set_a @ a3 @ eigen__4 )
       => sP35 ) ) ),
    introduced(definition,[new_symbols(definition,[sP52])]) ).

thf(sP53,plain,
    ( sP53
  <=> ( sP44
     => sP6 ) ),
    introduced(definition,[new_symbols(definition,[sP53])]) ).

thf(sP54,plain,
    ( sP54
  <=> ( ord_less_eq_set_a @ a3 @ eigen__4 ) ),
    introduced(definition,[new_symbols(definition,[sP54])]) ).

thf(sP55,plain,
    ( sP55
  <=> ( sP15
     => sP35 ) ),
    introduced(definition,[new_symbols(definition,[sP55])]) ).

thf(sP56,plain,
    ( sP56
  <=> ( sP22
     => sP42 ) ),
    introduced(definition,[new_symbols(definition,[sP56])]) ).

thf(sP57,plain,
    ( sP57
  <=> ( sP54
     => sP35 ) ),
    introduced(definition,[new_symbols(definition,[sP57])]) ).

thf(sP58,plain,
    ( sP58
  <=> ( sP51
     => sP34 ) ),
    introduced(definition,[new_symbols(definition,[sP58])]) ).

thf(sP59,plain,
    ( sP59
  <=> ( ord_less_eq_set_a @ a1 @ eigen__5 ) ),
    introduced(definition,[new_symbols(definition,[sP59])]) ).

thf(sP60,plain,
    ( sP60
  <=> ( sP40
     => sP35 ) ),
    introduced(definition,[new_symbols(definition,[sP60])]) ).

thf(sP61,plain,
    ( sP61
  <=> ! [X1: set_a] :
        ( ~ ( ~ ( ( member_set_a @ X1 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) )
               => ~ ( ord_less_eq_set_a @ a1 @ X1 ) )
           => ~ ( ord_less_eq_set_a @ a2 @ X1 ) )
       => ~ ( ord_less_eq_set_a @ a3 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP61])]) ).

thf(sP62,plain,
    ( sP62
  <=> ( ( member_set_a @ eigen__7 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) )
     => ~ sP46 ) ),
    introduced(definition,[new_symbols(definition,[sP62])]) ).

thf(sP63,plain,
    ( sP63
  <=> ( sP27
     => sP4 ) ),
    introduced(definition,[new_symbols(definition,[sP63])]) ).

thf(sP64,plain,
    ( sP64
  <=> ( ~ ( ~ sP62
         => ~ sP39 )
     => ~ sP40 ) ),
    introduced(definition,[new_symbols(definition,[sP64])]) ).

thf(sP65,plain,
    ( sP65
  <=> ( ord_less_eq_set_a @ a1 @ eigen__0 ) ),
    introduced(definition,[new_symbols(definition,[sP65])]) ).

thf(sP66,plain,
    ( sP66
  <=> ( ord_less_eq_set_a @ a1 @ eigen__2 ) ),
    introduced(definition,[new_symbols(definition,[sP66])]) ).

thf(sP67,plain,
    ( sP67
  <=> ( ~ sP62
     => ~ sP39 ) ),
    introduced(definition,[new_symbols(definition,[sP67])]) ).

thf(sP68,plain,
    ( sP68
  <=> ( member_set_a @ eigen__2 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP68])]) ).

thf(sP69,plain,
    ( sP69
  <=> ( ord_less_eq_set_a @ a3 @ eigen__5 ) ),
    introduced(definition,[new_symbols(definition,[sP69])]) ).

thf(sP70,plain,
    ( sP70
  <=> ( member_set_a @ eigen__7 @ ( image_64240033_set_a @ produc1040928388_a_a_e @ c ) ) ),
    introduced(definition,[new_symbols(definition,[sP70])]) ).

thf(conj_1,conjecture,
    sP35 ).

thf(h1,negated_conjecture,
    ~ sP35,
    inference(assume_negation,[status(cth)],[conj_1]) ).

thf(h2,assumption,
    ord_less_eq_set_a @ a2 @ a3,
    introduced(assumption,[]) ).

thf(h3,assumption,
    ord_less_eq_set_a @ a3 @ a2,
    introduced(assumption,[]) ).

thf(h4,assumption,
    ord_less_eq_set_a @ a1 @ a3,
    introduced(assumption,[]) ).

thf(h5,assumption,
    ord_less_eq_set_a @ a3 @ a1,
    introduced(assumption,[]) ).

thf(h6,assumption,
    ord_less_eq_set_a @ a1 @ a2,
    introduced(assumption,[]) ).

thf(h7,assumption,
    ord_less_eq_set_a @ a2 @ a1,
    introduced(assumption,[]) ).

thf(1,plain,
    ( ~ sP60
    | ~ sP40
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP28
    | ~ sP39
    | sP60 ),
    inference(prop_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP37
    | ~ sP46
    | sP28 ),
    inference(prop_rule,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP21
    | ~ sP70
    | sP37 ),
    inference(prop_rule,[status(thm)],]) ).

thf(5,plain,
    ( ~ sP47
    | sP21 ),
    inference(all_rule,[status(thm)],]) ).

thf(6,plain,
    ( sP62
    | sP46 ),
    inference(prop_rule,[status(thm)],]) ).

thf(7,plain,
    ( sP62
    | sP70 ),
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    ( sP67
    | sP39 ),
    inference(prop_rule,[status(thm)],]) ).

thf(9,plain,
    ( sP67
    | ~ sP62 ),
    inference(prop_rule,[status(thm)],]) ).

thf(10,plain,
    ( sP64
    | sP40 ),
    inference(prop_rule,[status(thm)],]) ).

thf(11,plain,
    ( sP64
    | ~ sP67 ),
    inference(prop_rule,[status(thm)],]) ).

thf(12,plain,
    ( sP61
    | ~ sP64 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__7]) ).

thf(conj_0,axiom,
    sP47 ).

thf(fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,axiom,
    ~ sP61 ).

thf(13,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h6,h4,h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,h1,conj_0,fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062]) ).

thf(h8,assumption,
    ~ ( ~ ( ~ ( sP45
             => ~ sP9 )
         => ~ sP7 )
     => ~ sP15 ),
    introduced(assumption,[]) ).

thf(h9,assumption,
    ~ ( ~ ( sP45
         => ~ sP9 )
     => ~ sP7 ),
    introduced(assumption,[]) ).

thf(h10,assumption,
    sP15,
    introduced(assumption,[]) ).

thf(h11,assumption,
    ~ ( sP45
     => ~ sP9 ),
    introduced(assumption,[]) ).

thf(h12,assumption,
    sP7,
    introduced(assumption,[]) ).

thf(h13,assumption,
    sP45,
    introduced(assumption,[]) ).

thf(h14,assumption,
    sP9,
    introduced(assumption,[]) ).

thf(14,plain,
    ( ~ sP55
    | ~ sP15
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(15,plain,
    ( ~ sP41
    | ~ sP7
    | sP55 ),
    inference(prop_rule,[status(thm)],]) ).

thf(16,plain,
    ( ~ sP13
    | ~ sP9
    | sP41 ),
    inference(prop_rule,[status(thm)],]) ).

thf(17,plain,
    ( ~ sP8
    | ~ sP45
    | sP13 ),
    inference(prop_rule,[status(thm)],]) ).

thf(18,plain,
    ( ~ sP47
    | sP8 ),
    inference(all_rule,[status(thm)],]) ).

thf(19,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h13,h14,h11,h12,h9,h10,h8,h7,h4,h2,h1,h0])],[14,15,16,17,18,h1,conj_0,h13,h14,h12,h10]) ).

thf(20,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h11,h12,h9,h10,h8,h7,h4,h2,h1,h0]),tab_negimp(discharge,[h13,h14])],[h11,19,h13,h14]) ).

thf(21,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h9,h10,h8,h7,h4,h2,h1,h0]),tab_negimp(discharge,[h11,h12])],[h9,20,h11,h12]) ).

thf(22,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h8,h7,h4,h2,h1,h0]),tab_negimp(discharge,[h9,h10])],[h8,21,h9,h10]) ).

thf(23,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h7,h4,h2,h1,h0]),tab_negall(discharge,[h8]),tab_negall(eigenvar,eigen__6)],[fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,22,h8]) ).

thf(fact_2__092_060open_062a1_A_092_060subseteq_062_Aa2_A_092_060or_062_Aa2_A_092_060subseteq_062_Aa1_092_060close_062,axiom,
    ( ~ ( ord_less_eq_set_a @ a1 @ a2 )
   => ( ord_less_eq_set_a @ a2 @ a1 ) ) ).

thf(24,plain,
    $false,
    inference(tab_imp,[status(thm),assumptions([h4,h2,h1,h0]),tab_imp(discharge,[h6]),tab_imp(discharge,[h7])],[fact_2__092_060open_062a1_A_092_060subseteq_062_Aa2_A_092_060or_062_Aa2_A_092_060subseteq_062_Aa1_092_060close_062,13,23,h6,h7]) ).

thf(h15,assumption,
    ~ ( ~ ( ~ ( sP5
             => ~ sP59 )
         => ~ sP51 )
     => ~ sP69 ),
    introduced(assumption,[]) ).

thf(h16,assumption,
    ~ ( ~ ( sP5
         => ~ sP59 )
     => ~ sP51 ),
    introduced(assumption,[]) ).

thf(h17,assumption,
    sP69,
    introduced(assumption,[]) ).

thf(h18,assumption,
    ~ ( sP5
     => ~ sP59 ),
    introduced(assumption,[]) ).

thf(h19,assumption,
    sP51,
    introduced(assumption,[]) ).

thf(h20,assumption,
    sP5,
    introduced(assumption,[]) ).

thf(h21,assumption,
    sP59,
    introduced(assumption,[]) ).

thf(25,plain,
    ( ~ sP34
    | ~ sP69
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(26,plain,
    ( ~ sP58
    | ~ sP51
    | sP34 ),
    inference(prop_rule,[status(thm)],]) ).

thf(27,plain,
    ( ~ sP3
    | ~ sP59
    | sP58 ),
    inference(prop_rule,[status(thm)],]) ).

thf(28,plain,
    ( ~ sP25
    | ~ sP5
    | sP3 ),
    inference(prop_rule,[status(thm)],]) ).

thf(29,plain,
    ( ~ sP47
    | sP25 ),
    inference(all_rule,[status(thm)],]) ).

thf(30,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h20,h21,h18,h19,h16,h17,h15,h6,h5,h2,h1,h0])],[25,26,27,28,29,h1,conj_0,h20,h21,h19,h17]) ).

thf(31,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h18,h19,h16,h17,h15,h6,h5,h2,h1,h0]),tab_negimp(discharge,[h20,h21])],[h18,30,h20,h21]) ).

thf(32,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h16,h17,h15,h6,h5,h2,h1,h0]),tab_negimp(discharge,[h18,h19])],[h16,31,h18,h19]) ).

thf(33,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h15,h6,h5,h2,h1,h0]),tab_negimp(discharge,[h16,h17])],[h15,32,h16,h17]) ).

thf(34,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h6,h5,h2,h1,h0]),tab_negall(discharge,[h15]),tab_negall(eigenvar,eigen__5)],[fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,33,h15]) ).

thf(h22,assumption,
    ~ ( ~ ( ~ ( sP12
             => ~ sP20 )
         => ~ sP49 )
     => ~ sP54 ),
    introduced(assumption,[]) ).

thf(h23,assumption,
    ~ ( ~ ( sP12
         => ~ sP20 )
     => ~ sP49 ),
    introduced(assumption,[]) ).

thf(h24,assumption,
    sP54,
    introduced(assumption,[]) ).

thf(h25,assumption,
    ~ ( sP12
     => ~ sP20 ),
    introduced(assumption,[]) ).

thf(h26,assumption,
    sP49,
    introduced(assumption,[]) ).

thf(h27,assumption,
    sP12,
    introduced(assumption,[]) ).

thf(h28,assumption,
    sP20,
    introduced(assumption,[]) ).

thf(35,plain,
    ( ~ sP57
    | ~ sP54
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(36,plain,
    ( ~ sP52
    | ~ sP49
    | sP57 ),
    inference(prop_rule,[status(thm)],]) ).

thf(37,plain,
    ( ~ sP50
    | ~ sP20
    | sP52 ),
    inference(prop_rule,[status(thm)],]) ).

thf(38,plain,
    ( ~ sP18
    | ~ sP12
    | sP50 ),
    inference(prop_rule,[status(thm)],]) ).

thf(39,plain,
    ( ~ sP47
    | sP18 ),
    inference(all_rule,[status(thm)],]) ).

thf(40,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h27,h28,h25,h26,h23,h24,h22,h7,h5,h2,h1,h0])],[35,36,37,38,39,h1,conj_0,h27,h28,h26,h24]) ).

thf(41,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h25,h26,h23,h24,h22,h7,h5,h2,h1,h0]),tab_negimp(discharge,[h27,h28])],[h25,40,h27,h28]) ).

thf(42,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h23,h24,h22,h7,h5,h2,h1,h0]),tab_negimp(discharge,[h25,h26])],[h23,41,h25,h26]) ).

thf(43,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h22,h7,h5,h2,h1,h0]),tab_negimp(discharge,[h23,h24])],[h22,42,h23,h24]) ).

thf(44,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h7,h5,h2,h1,h0]),tab_negall(discharge,[h22]),tab_negall(eigenvar,eigen__4)],[fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,43,h22]) ).

thf(45,plain,
    $false,
    inference(tab_imp,[status(thm),assumptions([h5,h2,h1,h0]),tab_imp(discharge,[h6]),tab_imp(discharge,[h7])],[fact_2__092_060open_062a1_A_092_060subseteq_062_Aa2_A_092_060or_062_Aa2_A_092_060subseteq_062_Aa1_092_060close_062,34,44,h6,h7]) ).

thf(fact_3__092_060open_062a1_A_092_060subseteq_062_Aa3_A_092_060or_062_Aa3_A_092_060subseteq_062_Aa1_092_060close_062,axiom,
    ( ~ ( ord_less_eq_set_a @ a1 @ a3 )
   => ( ord_less_eq_set_a @ a3 @ a1 ) ) ).

thf(46,plain,
    $false,
    inference(tab_imp,[status(thm),assumptions([h2,h1,h0]),tab_imp(discharge,[h4]),tab_imp(discharge,[h5])],[fact_3__092_060open_062a1_A_092_060subseteq_062_Aa3_A_092_060or_062_Aa3_A_092_060subseteq_062_Aa1_092_060close_062,24,45,h4,h5]) ).

thf(h29,assumption,
    ~ ( ~ ( ~ ( sP27
             => ~ sP30 )
         => ~ sP29 )
     => ~ sP24 ),
    introduced(assumption,[]) ).

thf(h30,assumption,
    ~ ( ~ ( sP27
         => ~ sP30 )
     => ~ sP29 ),
    introduced(assumption,[]) ).

thf(h31,assumption,
    sP24,
    introduced(assumption,[]) ).

thf(h32,assumption,
    ~ ( sP27
     => ~ sP30 ),
    introduced(assumption,[]) ).

thf(h33,assumption,
    sP29,
    introduced(assumption,[]) ).

thf(h34,assumption,
    sP27,
    introduced(assumption,[]) ).

thf(h35,assumption,
    sP30,
    introduced(assumption,[]) ).

thf(47,plain,
    ( ~ sP43
    | ~ sP24
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(48,plain,
    ( ~ sP32
    | ~ sP29
    | sP43 ),
    inference(prop_rule,[status(thm)],]) ).

thf(49,plain,
    ( ~ sP4
    | ~ sP30
    | sP32 ),
    inference(prop_rule,[status(thm)],]) ).

thf(50,plain,
    ( ~ sP63
    | ~ sP27
    | sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(51,plain,
    ( ~ sP47
    | sP63 ),
    inference(all_rule,[status(thm)],]) ).

thf(52,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h34,h35,h32,h33,h30,h31,h29,h6,h4,h3,h1,h0])],[47,48,49,50,51,h1,conj_0,h34,h35,h33,h31]) ).

thf(53,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h32,h33,h30,h31,h29,h6,h4,h3,h1,h0]),tab_negimp(discharge,[h34,h35])],[h32,52,h34,h35]) ).

thf(54,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h30,h31,h29,h6,h4,h3,h1,h0]),tab_negimp(discharge,[h32,h33])],[h30,53,h32,h33]) ).

thf(55,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h29,h6,h4,h3,h1,h0]),tab_negimp(discharge,[h30,h31])],[h29,54,h30,h31]) ).

thf(56,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h6,h4,h3,h1,h0]),tab_negall(discharge,[h29]),tab_negall(eigenvar,eigen__3)],[fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,55,h29]) ).

thf(h36,assumption,
    ~ ( ~ ( ~ ( sP68
             => ~ sP66 )
         => ~ sP22 )
     => ~ sP17 ),
    introduced(assumption,[]) ).

thf(h37,assumption,
    ~ ( ~ ( sP68
         => ~ sP66 )
     => ~ sP22 ),
    introduced(assumption,[]) ).

thf(h38,assumption,
    sP17,
    introduced(assumption,[]) ).

thf(h39,assumption,
    ~ ( sP68
     => ~ sP66 ),
    introduced(assumption,[]) ).

thf(h40,assumption,
    sP22,
    introduced(assumption,[]) ).

thf(h41,assumption,
    sP68,
    introduced(assumption,[]) ).

thf(h42,assumption,
    sP66,
    introduced(assumption,[]) ).

thf(57,plain,
    ( ~ sP42
    | ~ sP17
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(58,plain,
    ( ~ sP56
    | ~ sP22
    | sP42 ),
    inference(prop_rule,[status(thm)],]) ).

thf(59,plain,
    ( ~ sP31
    | ~ sP66
    | sP56 ),
    inference(prop_rule,[status(thm)],]) ).

thf(60,plain,
    ( ~ sP38
    | ~ sP68
    | sP31 ),
    inference(prop_rule,[status(thm)],]) ).

thf(61,plain,
    ( ~ sP47
    | sP38 ),
    inference(all_rule,[status(thm)],]) ).

thf(62,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h41,h42,h39,h40,h37,h38,h36,h7,h4,h3,h1,h0])],[57,58,59,60,61,h1,conj_0,h41,h42,h40,h38]) ).

thf(63,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h39,h40,h37,h38,h36,h7,h4,h3,h1,h0]),tab_negimp(discharge,[h41,h42])],[h39,62,h41,h42]) ).

thf(64,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h37,h38,h36,h7,h4,h3,h1,h0]),tab_negimp(discharge,[h39,h40])],[h37,63,h39,h40]) ).

thf(65,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h36,h7,h4,h3,h1,h0]),tab_negimp(discharge,[h37,h38])],[h36,64,h37,h38]) ).

thf(66,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h7,h4,h3,h1,h0]),tab_negall(discharge,[h36]),tab_negall(eigenvar,eigen__2)],[fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,65,h36]) ).

thf(67,plain,
    $false,
    inference(tab_imp,[status(thm),assumptions([h4,h3,h1,h0]),tab_imp(discharge,[h6]),tab_imp(discharge,[h7])],[fact_2__092_060open_062a1_A_092_060subseteq_062_Aa2_A_092_060or_062_Aa2_A_092_060subseteq_062_Aa1_092_060close_062,56,66,h6,h7]) ).

thf(h43,assumption,
    ~ ( ~ ( ~ ( sP26
             => ~ sP11 )
         => ~ sP44 )
     => ~ sP2 ),
    introduced(assumption,[]) ).

thf(h44,assumption,
    ~ ( ~ ( sP26
         => ~ sP11 )
     => ~ sP44 ),
    introduced(assumption,[]) ).

thf(h45,assumption,
    sP2,
    introduced(assumption,[]) ).

thf(h46,assumption,
    ~ ( sP26
     => ~ sP11 ),
    introduced(assumption,[]) ).

thf(h47,assumption,
    sP44,
    introduced(assumption,[]) ).

thf(h48,assumption,
    sP26,
    introduced(assumption,[]) ).

thf(h49,assumption,
    sP11,
    introduced(assumption,[]) ).

thf(68,plain,
    ( ~ sP6
    | ~ sP2
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(69,plain,
    ( ~ sP53
    | ~ sP44
    | sP6 ),
    inference(prop_rule,[status(thm)],]) ).

thf(70,plain,
    ( ~ sP16
    | ~ sP11
    | sP53 ),
    inference(prop_rule,[status(thm)],]) ).

thf(71,plain,
    ( ~ sP33
    | ~ sP26
    | sP16 ),
    inference(prop_rule,[status(thm)],]) ).

thf(72,plain,
    ( ~ sP47
    | sP33 ),
    inference(all_rule,[status(thm)],]) ).

thf(73,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h48,h49,h46,h47,h44,h45,h43,h6,h5,h3,h1,h0])],[68,69,70,71,72,h1,conj_0,h48,h49,h47,h45]) ).

thf(74,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h46,h47,h44,h45,h43,h6,h5,h3,h1,h0]),tab_negimp(discharge,[h48,h49])],[h46,73,h48,h49]) ).

thf(75,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h44,h45,h43,h6,h5,h3,h1,h0]),tab_negimp(discharge,[h46,h47])],[h44,74,h46,h47]) ).

thf(76,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h43,h6,h5,h3,h1,h0]),tab_negimp(discharge,[h44,h45])],[h43,75,h44,h45]) ).

thf(77,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h6,h5,h3,h1,h0]),tab_negall(discharge,[h43]),tab_negall(eigenvar,eigen__1)],[fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,76,h43]) ).

thf(h50,assumption,
    ~ ( ~ ( ~ ( sP14
             => ~ sP65 )
         => ~ sP48 )
     => ~ sP1 ),
    introduced(assumption,[]) ).

thf(h51,assumption,
    ~ ( ~ ( sP14
         => ~ sP65 )
     => ~ sP48 ),
    introduced(assumption,[]) ).

thf(h52,assumption,
    sP1,
    introduced(assumption,[]) ).

thf(h53,assumption,
    ~ ( sP14
     => ~ sP65 ),
    introduced(assumption,[]) ).

thf(h54,assumption,
    sP48,
    introduced(assumption,[]) ).

thf(h55,assumption,
    sP14,
    introduced(assumption,[]) ).

thf(h56,assumption,
    sP65,
    introduced(assumption,[]) ).

thf(78,plain,
    ( ~ sP23
    | ~ sP1
    | sP35 ),
    inference(prop_rule,[status(thm)],]) ).

thf(79,plain,
    ( ~ sP10
    | ~ sP48
    | sP23 ),
    inference(prop_rule,[status(thm)],]) ).

thf(80,plain,
    ( ~ sP36
    | ~ sP65
    | sP10 ),
    inference(prop_rule,[status(thm)],]) ).

thf(81,plain,
    ( ~ sP19
    | ~ sP14
    | sP36 ),
    inference(prop_rule,[status(thm)],]) ).

thf(82,plain,
    ( ~ sP47
    | sP19 ),
    inference(all_rule,[status(thm)],]) ).

thf(83,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h55,h56,h53,h54,h51,h52,h50,h7,h5,h3,h1,h0])],[78,79,80,81,82,h1,conj_0,h55,h56,h54,h52]) ).

thf(84,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h53,h54,h51,h52,h50,h7,h5,h3,h1,h0]),tab_negimp(discharge,[h55,h56])],[h53,83,h55,h56]) ).

thf(85,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h51,h52,h50,h7,h5,h3,h1,h0]),tab_negimp(discharge,[h53,h54])],[h51,84,h53,h54]) ).

thf(86,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h50,h7,h5,h3,h1,h0]),tab_negimp(discharge,[h51,h52])],[h50,85,h51,h52]) ).

thf(87,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h7,h5,h3,h1,h0]),tab_negall(discharge,[h50]),tab_negall(eigenvar,eigen__0)],[fact_1__092_060open_062_092_060exists_062a_092_060in_062fst_A_096_AC_O_Aa1_A_092_060subseteq_062_Aa_A_092_060and_062_Aa2_A_092_060subseteq_062_Aa_A_092_060and_062_Aa3_A_092_060subseteq_062_Aa_092_060close_062,86,h50]) ).

thf(88,plain,
    $false,
    inference(tab_imp,[status(thm),assumptions([h5,h3,h1,h0]),tab_imp(discharge,[h6]),tab_imp(discharge,[h7])],[fact_2__092_060open_062a1_A_092_060subseteq_062_Aa2_A_092_060or_062_Aa2_A_092_060subseteq_062_Aa1_092_060close_062,77,87,h6,h7]) ).

thf(89,plain,
    $false,
    inference(tab_imp,[status(thm),assumptions([h3,h1,h0]),tab_imp(discharge,[h4]),tab_imp(discharge,[h5])],[fact_3__092_060open_062a1_A_092_060subseteq_062_Aa3_A_092_060or_062_Aa3_A_092_060subseteq_062_Aa1_092_060close_062,67,88,h4,h5]) ).

thf(fact_4__092_060open_062a2_A_092_060subseteq_062_Aa3_A_092_060or_062_Aa3_A_092_060subseteq_062_Aa2_092_060close_062,axiom,
    ( ~ ( ord_less_eq_set_a @ a2 @ a3 )
   => ( ord_less_eq_set_a @ a3 @ a2 ) ) ).

thf(90,plain,
    $false,
    inference(tab_imp,[status(thm),assumptions([h1,h0]),tab_imp(discharge,[h2]),tab_imp(discharge,[h3])],[fact_4__092_060open_062a2_A_092_060subseteq_062_Aa3_A_092_060or_062_Aa3_A_092_060subseteq_062_Aa2_092_060close_062,46,89,h2,h3]) ).

thf(91,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[90,h0]) ).

thf(0,theorem,
    sP35,
    inference(contra,[status(thm),contra(discharge,[h1])],[90,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : ITP028^1 : TPTP v8.1.2. Released v7.5.0.
% 0.06/0.12  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.12/0.33  % Computer : n024.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Sun Aug 27 12:57:23 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.19/0.48  % SZS status Theorem
% 0.19/0.48  % Mode: cade22sinegrackle2x6978
% 0.19/0.48  % Steps: 781
% 0.19/0.48  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------