milestone update in ground_2 and basic_2A

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / etc_2A1 / append / cix_append.etc

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/append/cix_append.etc b/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/append/cix_append.etc
deleted file mode 100644 (file)
index 7b5522e..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/append/cix_append.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/reduction/crx_append.ma".
-include "basic_2/reduction/cix.ma".
-
-(* IRREDUCIBLE TERMS FOR CONTEXT-SENSITIVE EXTENDED REDUCTION ***************)
-
-(* Advanced inversion lemmas ************************************************)
-
-lemma cix_inv_append_sn: ∀h,g,G,L,K,T. ⦃G, K @@ L⦄ ⊢ ➡[h, g] 𝐈⦃T⦄  → ⦃G, L⦄ ⊢ ➡[h, g] 𝐈⦃T⦄.
-/3 width=1 by crx_append_sn/ qed-.
-
-lemma cix_inv_tix: ∀h,g,G,L,T. ⦃G, L⦄ ⊢ ➡[h, g] 𝐈⦃T⦄  → ⦃G, ⋆⦄ ⊢ ➡[h, g] 𝐈⦃T⦄.
-/3 width=1 by trx_crx/ qed-.