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 include "hott/pts.ma".
17 record Exists (A: Type[0]) (P: A → Type[0]) : Type[0] ≝ {
22 interpretation "Exists" 'exists x = (Exists ? x).
23 interpretation "mk_Exists" 'mk_exists w p = (mk_Exists ?? w p).