1 (**************************************************************************)
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 *)
13 (**************************************************************************)
15 (* This file was automatically generated: do not edit *********************)
17 set "baseuri" "cic:/matita/CoRN-Decl/model/non_examples/Npos_no_monoid".
19 (* $Id: Npos_no_monoid.v,v 1.5 2004/04/08 08:20:34 lcf Exp $ *)
29 (*#* **Non-example of a monoid: $\langle$#⟨#[Npos],[[+]]$\rangle$#⟩#
30 There is no right unit for the addition on the positive natural numbers.
33 inline cic:/CoRN/model/non_examples/Npos_no_monoid/no_rht_unit_Npos.con.
35 (*#* Therefore the set of positive natural numbers doesn't form a group with
39 inline cic:/CoRN/model/non_examples/Npos_no_monoid/no_monoid_Npos.con.