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(*                                                                    *)
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(* 02110-1301 USA                                                     *)
(* Contribution to the Coq Library   V6.3 (July 1999)                    *)
(* ----                          standard.v                           ----*)
(* Author: Pierre Casteran.                                               *)
(*    LABRI, URA CNRS 1304,                                               *)
(*    Departement d'Informatique, Universite Bordeaux I,                  *)
(*    33405 Talence CEDEX,                                                *)
(*    e-mail:  casteran@labri.u-bordeaux.fr                               *)
(* standard monoid *)

(* Specifications: *)
Lemma standard : monoid nat.
refine (mkmonoid nat 1 mult _ _ _); auto with arith.