milestone update in ground_2 and basic_2A

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / etc_2A1 / fsup / ldrop_fsups.etc

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/fsup/ldrop_fsups.etc b/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/fsup/ldrop_fsups.etc
deleted file mode 100644 (file)
index dc4d7e9..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/fsup/ldrop_fsups.etc
+++ /dev/null
@@ -1,30 +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/grammar/fsups.ma".
-include "basic_2/substitution/ldrop_fsup.ma".
-
-(* LOCAL ENVIRONMENT SLICING ************************************************)
-
-(* Inversion lemmas on plus-iterated supclosure  ****************************)
-
-lemma fsupp_inv_atom1_fsups: ∀J,L1,L2,T2. ⦃L1, ⓪{J}⦄ ⊃+ ⦃L2, T2⦄ →
-                             ∃∃I,K,V,i. ⇩[0, i] L1 ≡ K.ⓑ{I}V &
-                             ⦃K, V⦄ ⊃* ⦃L2, T2⦄ & J = LRef i.
-#J #L1 #L2 #T2 #H @(fsupp_ind … H) -L2 -T2
-[ #L2 #T2 #H
-  elim (fsup_inv_atom1_ldrop … H) -H * #i #HL12 #H destruct /2 width=7/
-| #L #T #L2 #T2 #_ #HT2 * #I #K #V #i #HLK #HVT #H destruct /3 width=8/
-]
-qed-.