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 inductive nat : Set \def
27 | S m => let rec g x :=
40 coinductive conat : Set \def
42 | OS : conat -> conat.
44 inductive wrap : Set \def
48 let corec h (n:nat) \def