syntactic components detached from basic_2 become static_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / relocation / drops_cext2.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/relocation/drops_cext2.ma b/matita/matita/contribs/lambdadelta/basic_2/relocation/drops_cext2.ma
deleted file mode 100644 (file)
index f2a857d..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/relocation/drops_cext2.ma
+++ /dev/null
@@ -1,29 +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/drops.ma".
-
-(* GENERIC SLICING FOR LOCAL ENVIRONMENTS ***********************************)
-
-(* Properties with the extension to binders of a context-sensitive relation *)
-
-lemma cext2_d_liftable2_sn: ∀R. d_liftable2_sn … lifts R →
-                            d_liftable2_sn … liftsb (cext2 R).
-#R #HR #K #I1 #I2 * -I1 -I2 #I [| #T1 #T2 #HT12 ]
-#b #f #L #HLK #Z1 #H
-[ lapply (liftsb_inv_unit_sn … H)
-| lapply (liftsb_inv_pair_sn … H) * #U1 #HTU1
-] -H #H destruct /3 width=3 by ext2_unit, ex2_intro/
-elim (HR … HT12 … HLK … HTU1) -HR -b -K -T1 /3 width=3 by ext2_pair, ex2_intro/
-qed-.