X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsubstitution%2Fprelift_label_after.ma;h=f43f1b647dcae9e90c756514e330ea5374c1df0a;hb=7008128d354c6e998a87bc2febe9f86ea714869c;hp=24720288b107923ac973a635d187dc51ec468e87;hpb=5c2d38b46908f662cbb717156b29101ff30f8352;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/prelift_label_after.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/prelift_label_after.ma
index 24720288b..f43f1b647 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/prelift_label_after.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/prelift_label_after.ma
@@ -20,6 +20,6 @@ include "ground/relocation/tr_compose_pap.ma".
 (* Constructions with tr_after **********************************************)
 
 lemma prelift_label_after (g) (f) (l):
-      ↑[g]↑[f]l = ↑[g∘f]l.
+      🠡[g]🠡[f]l = 🠡[g∘f]l.
 #g #f * [ #k ] //
 qed.