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1 (**************************************************************************)
2 (*       ___                                                              *)
3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
5 (*      ||T||                                                             *)
6 (*      ||I||       Developers:                                           *)
7 (*      ||T||         The HELM team.                                      *)
8 (*      ||A||         http://helm.cs.unibo.it                             *)
9 (*      \   /                                                             *)
10 (*       \ /        This file is distributed under the terms of the       *)
11 (*        v         GNU General Public License Version 2                  *)
12 (*                                                                        *)
13 (**************************************************************************)
14
15 set "baseuri" "cic:/matita/LOGIC/PNF/defs".
16
17 (* NORMAL FORM PREDICATE FOR PARALLEL REDUCTION
18 *)
19
20 include "PRed/defs.ma".
21 (*
22 inductive PNF: Proof \to Prop \def
23    | pnf: \forall p. (\forall q. p => q \to p = q) \to PNF p
24 .
25 *)