+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||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/s_computation/fqup_drops.ma".
-include "basic_2/s_computation/fqus_fqup.ma".
-
-(* STAR-ITERATED SUPCLOSURE *************************************************)
-
-(* Properties with generic slicing for local environments *******************)
-
-lemma fqus_drops: ∀b,G,L,K,T,U,i. ⬇*[i] L ≘ K → ⬆*[i] T ≘ U →
- ⦃G, L, U⦄ ⊐*[b] ⦃G, K, T⦄.
-#b #G #L #K #T #U * /3 width=3 by fqup_drops_succ, fqup_fqus/
-#HLK #HTU <(lifts_fwd_isid … HTU) -U // <(drops_fwd_isid … HLK) -K //
-qed.