(**************************************************************************) (* ___ *) (* ||M|| *) (* ||A|| A project by Andrea Asperti *) (* ||T|| *) (* ||I|| Developers: *) (* ||T|| The HELM team. *) (* ||A|| http://helm.cs.unibo.it *) (* \ / *) (* \ / This file is distributed under the terms of the *) (* v GNU General Public License Version 2 *) (* *) (**************************************************************************) (* This file was automatically generated: do not edit *********************) include "CoRN.ma". (* $Id: Zring.v,v 1.6 2004/04/08 08:20:34 lcf Exp $ *) include "model/abgroups/Zabgroup.ma". include "algebra/CRings.ma". (*#* **Example of a ring: $\langle$#⟨#[Z],[[+]],[[*]]$\rangle$#⟩# The multiplication and the addition are distributive. *) inline procedural "cic:/CoRN/model/rings/Zring/Z_mult_plus_is_dist.con" as lemma. inline procedural "cic:/CoRN/model/rings/Zring/Z_is_CRing.con" as definition. inline procedural "cic:/CoRN/model/rings/Zring/Z_as_CRing.con" as definition. (*#* The term [Z_as_CRing] is of type [CRing]. Hence we have proven that [Z] is a constructive ring. *)