update for the article

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / cprre_cpms.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprre_cpms.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprre_cpms.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/rt_computation/cpms_cpms.ma".
+include "basic_2/rt_computation/cprre.ma".
+
+(* EVALUATION FOR CONTEXT-SENSITIVE PARALLEL R-TRANSITION ON TERMS **********)
+
+(* Properties with t-bound rt-computarion on terms **************************)
+
+lemma cpms_cprre_trans (h) (n) (G) (L):
+      ∀T1,T0. ⦃G,L⦄ ⊢T1 ➡*[n,h] T0 →
+      ∀T2. ⦃G,L⦄ ⊢ T0 ➡*[h] 𝐍⦃T2⦄ → ⦃G,L⦄ ⊢ T1 ➡*[h,n] 𝐍⦃T2⦄.
+#h #n #G #L #T1 #T0 #HT10 #T2 * #HT02 #HT2
+/3 width=3 by cpms_cprs_trans, cpmre_intro/
+qed-.