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4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
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15 (* This file was automatically generated: do not edit *********************)
17 set "baseuri" "cic:/matita/CoRN-Decl/model/structures/Npossec".
21 (* $Id: Npossec.v,v 1.3 2004/04/06 15:46:05 lcf Exp $ *)
23 (*#* printing Npos $\mathbb{N}^{+}$ #N<SUP>+</SUP># *)
25 include "model/structures/Nsec.ma".
28 The positive natural numbers have some nice properties. Addition as well
29 as multiplication preserve the feature of being positive.
32 inline "cic:/CoRN/model/structures/Npossec/plus_resp_Npos0.con".
34 inline "cic:/CoRN/model/structures/Npossec/Npos_is_suc.con".
36 inline "cic:/CoRN/model/structures/Npossec/mult_resp_Npos0.con".