TSTP Solution File: NUM636^2 by Satallax---3.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : NUM636^2 : TPTP v8.1.0. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s

% Computer : n007.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  : 600s
% DateTime : Mon Jul 18 13:54:24 EDT 2022

% Result   : Theorem 26.04s 26.23s
% Output   : Proof 26.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   31
% Syntax   : Number of formulae    :   36 (  10 unt;   3 typ;   1 def)
%            Number of atoms       :   70 (  17 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  105 (  30   ~;  13   |;   0   &;  35   @)
%                                         (  13 <=>;  13  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   20 (  17 usr;  18 con; 0-2 aty)
%                                         (   1  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :   12 (   1   ^  11   !;   0   ?;  12   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_succ,type,
    succ: $i > $i ).

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

thf(ty_one,type,
    one: $i ).

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

thf(eigendef_eigen__1,definition,
    ( eigen__1
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( ( succ @ X1 )
             != X1 )
           => ( ( succ @ ( succ @ X1 ) )
             != ( succ @ X1 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__1])]) ).

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

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

thf(sP3,plain,
    ( sP3
  <=> ( ( succ @ one )
      = one ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

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

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

thf(sP6,plain,
    ( sP6
  <=> ( ~ ( ~ sP3
         => ~ sP5 )
     => ! [X1: $i] :
          ( ( succ @ X1 )
         != X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( ( succ @ eigen__1 )
      = eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

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

thf(sP9,plain,
    ( sP9
  <=> ! [X1: $i,X2: $i] :
        ( ( ( succ @ X1 )
          = ( succ @ X2 ) )
       => ( X1 = X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( sP4
     => sP7 ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

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

thf(sP12,plain,
    ( sP12
  <=> ( ~ sP3
     => ~ sP5 ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ! [X1: $i] :
        ( ( succ @ X1 )
       != one ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(satz2,conjecture,
    sP11 ).

thf(h1,negated_conjecture,
    ~ sP11,
    inference(assume_negation,[status(cth)],[satz2]) ).

thf(1,plain,
    ( ~ sP13
    | ~ sP3 ),
    inference(all_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP9
    | sP8 ),
    inference(all_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP8
    | sP10 ),
    inference(all_rule,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP10
    | ~ sP4
    | sP7 ),
    inference(prop_rule,[status(thm)],]) ).

thf(5,plain,
    ( sP2
    | sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(6,plain,
    ( sP2
    | ~ sP7 ),
    inference(prop_rule,[status(thm)],]) ).

thf(7,plain,
    ( sP5
    | ~ sP2 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__1]) ).

thf(8,plain,
    ( ~ sP1
    | sP6 ),
    inference(all_rule,[status(thm)],]) ).

thf(9,plain,
    ( ~ sP6
    | sP12
    | sP11 ),
    inference(prop_rule,[status(thm)],]) ).

thf(10,plain,
    ( ~ sP12
    | sP3
    | ~ sP5 ),
    inference(prop_rule,[status(thm)],]) ).

thf(one_is_first,axiom,
    sP13 ).

thf(succ_injective,axiom,
    sP9 ).

thf(induction,axiom,
    sP1 ).

thf(11,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h1,h0])],[1,2,3,4,5,6,7,8,9,10,one_is_first,succ_injective,induction,h1]) ).

thf(12,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[11,h0]) ).

thf(0,theorem,
    sP11,
    inference(contra,[status(thm),contra(discharge,[h1])],[11,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : NUM636^2 : TPTP v8.1.0. Released v3.7.0.
% 0.12/0.13  % Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s
% 0.13/0.34  % Computer : n007.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  : 600
% 0.13/0.34  % DateTime : Tue Jul  5 06:19:27 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 26.04/26.23  % SZS status Theorem
% 26.04/26.23  % Mode: mode454
% 26.04/26.23  % Inferences: 11
% 26.04/26.23  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------