X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fapps_2%2Ffunctional%2Fmf_cpr.ma;h=fc472668bc0faa628688f8f697a9317ce0a0a918;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=059a1f66faffa47f260c0f08b55c4095ea92f62d;hpb=5b5dca0c118dfbe3ba8f0514ef07549544eb7810;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/apps_2/functional/mf_cpr.ma b/matita/matita/contribs/lambdadelta/apps_2/functional/mf_cpr.ma
index 059a1f66f..fc472668b 100644
--- a/matita/matita/contribs/lambdadelta/apps_2/functional/mf_cpr.ma
+++ b/matita/matita/contribs/lambdadelta/apps_2/functional/mf_cpr.ma
@@ -20,9 +20,9 @@ include "apps_2/functional/mf_exteq.ma".
 
 (* Properties with relocation ***********************************************)
 
-lemma mf_delta_drops (h) (G): ∀K,V1,V2. ⦃G,K⦄ ⊢ V1 ➡[h] V2 →
-                              ∀T,L,l. ⬇*[l] L ≘ K.ⓓV1 →
-                              ∀gv,lv. ⦃G,L⦄ ⊢ ●[gv,⇡[l←#l]lv]T ➡[h] ●[gv,⇡[l←↑[↑l]V2]lv]T.
+lemma mf_delta_drops (h) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡[h] V2 →
+                              ∀T,L,l. ⇩*[l] L ≘ K.ⓓV1 →
+                              ∀gv,lv. ❪G,L❫ ⊢ ●[gv,⇡[l←#l]lv]T ➡[h] ●[gv,⇡[l←↑[↑l]V2]lv]T.
 #h #G #K #V1 #V2 #HV #T elim T -T * //
 [ #i #L #l #HKL #gv #lv
   >mf_lref >mf_lref