X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsyntax%2Fpath_structure_depth.ma;h=4648217932fcd1d310c88dc807afa8f64f622b45;hb=ad6182251b8192ee7d25c53156afbce35e3715b6;hp=98583286b013534f56ffed50d27f0888767d13ab;hpb=56092257aa4be8e6d0ae37ee6590f6d3258b0485;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_structure_depth.ma b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_structure_depth.ma
index 98583286b..464821793 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_structure_depth.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_structure_depth.ma
@@ -20,11 +20,11 @@ include "delayed_updating/syntax/path_depth.ma".
 (* Constructions with depth *************************************************)
 
 lemma depth_structure (p):
-      ❘p❘ = ❘⊗p❘.
+      ♭p = ♭⊗p.
 #p elim p -p //
 * [ #n ] #p #IH //
-[ <structure_L_sn <depth_L <depth_L //
-| <structure_A_sn <depth_A <depth_A //
-| <structure_S_sn <depth_S <depth_S //
+[ <structure_L_sn <depth_L_sn <depth_L_sn //
+| <structure_A_sn <depth_A_sn <depth_A_sn //
+| <structure_S_sn <depth_S_sn <depth_S_sn //
 ]
 qed.