update in delayed_updating

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

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma
index f4b7bdd0ec79f99e1a2cffda4ff0c0cedfa0bc95..08b014bee74572e1dc37caff1de840729d0ca0c7 100644 (file)
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma
@@ -20,7 +20,7 @@ include "delayed_updating/syntax/path_structure.ma".
 (* Constructions with structure *********************************************)
 
 lemma structure_lift_path (f) (p):
-      ⊗p = ⊗↑[f]p.
+      ⊗p = ⊗🠡[f]p.
 #f #p elim p -p //
 * [ #k ] #p #IH //
 [ <lift_path_d_dx <structure_d_dx <structure_d_dx //
@@ -29,7 +29,7 @@ lemma structure_lift_path (f) (p):
 qed.
 
 lemma lift_path_structure (f) (p):
-      ⊗p = ↑[f]⊗p.
+      ⊗p = 🠡[f]⊗p.
 #f #p elim p -p //
 * [ #k ] #p #IH //
 qed.