TSTP Solution File: NUM681^1 by Lash---1.13

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%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : NUM681^1 : 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 : n002.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 11:40:24 EDT 2023

% Result   : Theorem 0.19s 0.53s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_nat,type,
    nat: $tType ).

thf(ty_x,type,
    x: nat ).

thf(ty_more,type,
    more: nat > nat > $o ).

thf(ty_pl,type,
    pl: nat > nat > nat ).

thf(ty_less,type,
    less: nat > nat > $o ).

thf(ty_y,type,
    y: nat ).

thf(ty_z,type,
    z: nat ).

thf(sP1,plain,
    ( sP1
  <=> ! [X1: nat,X2: nat] :
        ~ ( ( ( X1 = X2 )
           => ~ ( more @ X1 @ X2 ) )
         => ( ( ( more @ X1 @ X2 )
             => ~ ( less @ X1 @ X2 ) )
           => ~ ( ( less @ X1 @ X2 )
               => ( X1 != X2 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( ( ( more @ ( pl @ x @ z ) @ ( pl @ y @ z ) )
       => ~ ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) ) )
     => ~ ( ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) )
         => ( ( pl @ x @ z )
           != ( pl @ y @ z ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ! [X1: nat,X2: nat] :
        ( ( more @ x @ X1 )
       => ( more @ ( pl @ x @ X2 ) @ ( pl @ X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: nat,X2: nat,X3: nat] :
        ( ( more @ X1 @ X2 )
       => ( more @ ( pl @ X1 @ X3 ) @ ( pl @ X2 @ X3 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ! [X1: nat] :
        ~ ( ( ( ( pl @ x @ z )
              = X1 )
           => ~ ( more @ ( pl @ x @ z ) @ X1 ) )
         => ( ( ( more @ ( pl @ x @ z ) @ X1 )
             => ~ ( less @ ( pl @ x @ z ) @ X1 ) )
           => ~ ( ( less @ ( pl @ x @ z ) @ X1 )
               => ( ( pl @ x @ z )
                 != X1 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( more @ x @ y ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ( x = y ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ( more @ ( pl @ x @ z ) @ ( pl @ y @ z ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( ( less @ x @ y )
     => sP4 ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ! [X1: nat] :
        ( ( less @ x @ y )
       => ( less @ ( pl @ x @ X1 ) @ ( pl @ y @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ! [X1: nat,X2: nat] :
        ( ( less @ x @ X1 )
       => ( less @ ( pl @ x @ X2 ) @ ( pl @ X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ( sP4
     => ( ( pl @ x @ z )
       != ( pl @ y @ z ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ! [X1: nat] :
        ( sP7
       => ( more @ ( pl @ x @ X1 ) @ ( pl @ y @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ! [X1: nat,X2: nat,X3: nat] :
        ( ( less @ X1 @ X2 )
       => ( less @ ( pl @ X1 @ X3 ) @ ( pl @ X2 @ X3 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ( ( ( ( pl @ x @ z )
          = ( pl @ y @ z ) )
       => ~ sP9 )
     => sP2 ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ( less @ x @ y ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(sP18,plain,
    ( sP18
  <=> ( ( pl @ x @ z )
      = ( pl @ y @ z ) ) ),
    introduced(definition,[new_symbols(definition,[sP18])]) ).

thf(sP19,plain,
    ( sP19
  <=> ( ~ sP7
     => sP17 ) ),
    introduced(definition,[new_symbols(definition,[sP19])]) ).

thf(sP20,plain,
    ( sP20
  <=> ! [X1: nat] :
        ( ( x != X1 )
       => ( ~ ( more @ x @ X1 )
         => ( less @ x @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP20])]) ).

thf(sP21,plain,
    ( sP21
  <=> ( sP7
     => sP9 ) ),
    introduced(definition,[new_symbols(definition,[sP21])]) ).

thf(sP22,plain,
    ( sP22
  <=> ( sP18
     => ~ sP9 ) ),
    introduced(definition,[new_symbols(definition,[sP22])]) ).

thf(sP23,plain,
    ( sP23
  <=> ! [X1: nat,X2: nat] :
        ( ( X1 != X2 )
       => ( ~ ( more @ X1 @ X2 )
         => ( less @ X1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP23])]) ).

thf(sP24,plain,
    ( sP24
  <=> ( ~ sP8
     => sP19 ) ),
    introduced(definition,[new_symbols(definition,[sP24])]) ).

thf(satz20b,conjecture,
    sP8 ).

thf(h0,negated_conjecture,
    ~ sP8,
    inference(assume_negation,[status(cth)],[satz20b]) ).

thf(1,plain,
    ( ~ sP13
    | ~ sP4
    | ~ sP18 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( sP2
    | sP13 ),
    inference(prop_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP22
    | ~ sP18
    | ~ sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(4,plain,
    ( sP16
    | ~ sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(5,plain,
    ( sP16
    | sP22 ),
    inference(prop_rule,[status(thm)],]) ).

thf(6,plain,
    ( ~ sP6
    | ~ sP16 ),
    inference(all_rule,[status(thm)],]) ).

thf(7,plain,
    ( ~ sP1
    | sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(8,plain,
    ( ~ sP21
    | ~ sP7
    | sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(9,plain,
    ( ~ sP14
    | sP21 ),
    inference(all_rule,[status(thm)],]) ).

thf(10,plain,
    ( ~ sP10
    | ~ sP17
    | sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(11,plain,
    ( ~ sP11
    | sP10 ),
    inference(all_rule,[status(thm)],]) ).

thf(12,plain,
    ( ~ sP19
    | sP7
    | sP17 ),
    inference(prop_rule,[status(thm)],]) ).

thf(13,plain,
    ( ~ sP24
    | sP8
    | sP19 ),
    inference(prop_rule,[status(thm)],]) ).

thf(14,plain,
    ( ~ sP3
    | sP14 ),
    inference(all_rule,[status(thm)],]) ).

thf(15,plain,
    ( ~ sP20
    | sP24 ),
    inference(all_rule,[status(thm)],]) ).

thf(16,plain,
    ( ~ sP12
    | sP11 ),
    inference(all_rule,[status(thm)],]) ).

thf(17,plain,
    ( ~ sP15
    | sP12 ),
    inference(all_rule,[status(thm)],]) ).

thf(18,plain,
    ( ~ sP23
    | sP20 ),
    inference(all_rule,[status(thm)],]) ).

thf(19,plain,
    ( ~ sP5
    | sP3 ),
    inference(all_rule,[status(thm)],]) ).

thf(satz19a,axiom,
    sP5 ).

thf(satz10a,axiom,
    sP23 ).

thf(satz19c,axiom,
    sP15 ).

thf(satz10b,axiom,
    sP1 ).

thf(i,axiom,
    sP18 ).

thf(20,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h0])],[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,h0,satz19a,satz10a,satz19c,satz10b,i]) ).

thf(0,theorem,
    sP8,
    inference(contra,[status(thm),contra(discharge,[h0])],[20,h0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : NUM681^1 : TPTP v8.1.2. Released v3.7.0.
% 0.07/0.13  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.13/0.34  % Computer : n002.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 : Fri Aug 25 14:40:47 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.53  % SZS status Theorem
% 0.19/0.53  % Mode: cade22grackle2xfee4
% 0.19/0.53  % Steps: 1189
% 0.19/0.53  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------