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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/monoids/Zmonoid".
19 (* $Id: Zmonoid.v,v 1.6 2004/04/08 08:20:33 lcf Exp $ *)
29 (*#* **Examples of monoids: $\langle$#⟨#[Z],[[+]]$\rangle$#⟩# and $\langle$#⟨#[Z],[[*]]$\rangle$#⟩#
30 ***$\langle$#⟨#[Z],[[+]]$\rangle$#⟩#
31 We use the addition [ZERO] (defined in the standard library) as the
35 inline cic:/CoRN/model/monoids/Zmonoid/ZERO_as_rht_unit.con.
37 inline cic:/CoRN/model/monoids/Zmonoid/ZERO_as_lft_unit.con.
39 inline cic:/CoRN/model/monoids/Zmonoid/Z_is_CMonoid.con.
41 inline cic:/CoRN/model/monoids/Zmonoid/Z_as_CMonoid.con.
43 (*#* The term [Z_as_CMonoid] is of type [CMonoid]. Hence we have proven that [Z] is a constructive monoid.
45 ***$\langle$#⟨#[Z],[[*]]$\rangle$#⟩#
46 As the multiplicative unit we should use [`1`], which is [(POS xH)] in
47 the representation we have for integers.
50 inline cic:/CoRN/model/monoids/Zmonoid/ONE_as_rht_unit.con.
52 inline cic:/CoRN/model/monoids/Zmonoid/ONE_as_lft_unit.con.
54 inline cic:/CoRN/model/monoids/Zmonoid/Z_mul_is_CMonoid.con.
56 inline cic:/CoRN/model/monoids/Zmonoid/Z_mul_as_CMonoid.con.
58 (*#* The term [Z_mul_as_CMonoid] is another term of type [CMonoid]. *)