update in ground_2, static_2, basic_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / s_computation / fqus_drops.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_drops.ma b/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_drops.ma
index 8216c86c050a5869469f8528789f5dc542af1c99..21bd6a7754da3c81f505829b84205862915d705c 100644 (file)
--- a/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_drops.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_drops.ma
@@ -19,7 +19,7 @@ include "static_2/s_computation/fqus_fqup.ma".
 
 (* Properties with generic slicing for local environments *******************)
 
-lemma fqus_drops: ∀b,G,L,K,T,U,i. ⇩*[i] L ≘ K → ⇧*[i] T ≘ U →
+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 //