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(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
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(*i 	$Id$	 i*)
Section MapCard.
Variables A B : Type.

Lemma MapCard_Put1_equals_2 :
forall (p:positive) (a a':ad) (y y':A),
MapCard A (MapPut1 A a y a' y' p) = 2.