X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fs_computation%2Ffqus_drops.ma;h=8850c1f54865d6c42e832546dff9d19483ec4891;hb=52616a7a6a550efd75ed56e7e246132453506002;hp=217e828944da47a12a2ced4e72f3ed39933271b4;hpb=6a4711dbb4bec52222e9d0586326ef03b9fbc81b;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqus_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqus_drops.ma index 217e82894..8850c1f54 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqus_drops.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqus_drops.ma @@ -18,10 +18,9 @@ include "basic_2/s_computation/fqus_fqup.ma". (* STAR-ITERATED SUPCLOSURE *************************************************) (* Properties with generic slicing for local environments *******************) -(* + lemma fqus_drops: ∀G,L,K,T,U,l. ⬇*[l] L ≡ K → ⬆*[l] T ≡ U → ⦃G, L, U⦄ ⊐* ⦃G, K, T⦄. #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. -*) \ No newline at end of file