update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / substitution / lift_path_id.ma

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_id.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_id.ma
index 665b5f9a64cf206d725988fce66515b991fe1d4d..20408487bf7564bfcda64795e41acab257c723a2 100644 (file)
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_id.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_id.ma
@@ -21,7 +21,7 @@ include "delayed_updating/substitution/prelift_label_id.ma".
 (* Constructions with tr_id *************************************************)
 
 lemma lift_path_id (p):
-      p = ↑[𝐢]p.
+      p = 🠡[𝐢]p.
 #p elim p -p //
 #l #p #IH
 <lift_path_rcons //