milestone update in ground_2 and basic_2A

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / etc_2A1 / cny / cpys_cny.etc

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/cny/cpys_cny.etc b/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/cny/cpys_cny.etc
deleted file mode 100644 (file)
index 1499cee..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/cny/cpys_cny.etc
+++ /dev/null
@@ -1,26 +0,0 @@
-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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/relocation/cny.ma".
-include "basic_2/substitution/cpys.ma".
-
-(* CONTEXT-SENSITIVE EXTENDED MULTIPLE SUBSTITUTION FOR TERMS ***************)
-
-(* Inversion lemmas on normality for extended substitution ******************)
-
-lemma cpys_inv_cny1: ∀G,L,T1,d,e. ⦃G, L⦄ ⊢ ▶[d, e] 𝐍⦃T1⦄ →
-                     ∀T2. ⦃G, L⦄ ⊢ T1 ▶*[d, e] T2 → T1 = T2.
-#G #L #T1 #d #e #HT1 #T2 #H @(cpys_ind … H) -T2 //
-#T #T2 #_ #HT2 #IHT1 destruct <(HT1 … HT2) -T //
-qed-.