- the definition of the framework for strong normalization continues ...

[helm.git] / matita / matita / contribs / lambda_delta / Basic_2 / computation / csn.ma

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+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+include "Basic_2/reducibility/cpr.ma".
+
+(* CONTEXT-SENSITIVE STRONGLY NORMALIZING TERMS *****************************)
+
+definition csn: lenv → predicate term ≝ λL. SN … (cpr L) (eq …).
+
+interpretation
+   "context-sensitive strong normalization (term)"
+   'SN L T = (csn L T).