X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsyntax%2Fpath_closed_structure.ma;h=44554b79e439aaadf5a2310fa4250b99c0e15ee9;hp=99b0a9235581d1321d21b67e1b306c193341c92a;hb=d06053844638d88936d711b66fddbcca2a9add1c;hpb=9e31ac1f3f868349154b0ce2e550e2476aaf6a30

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_closed_structure.ma b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_closed_structure.ma
index 99b0a9235..44554b79e 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_closed_structure.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/path_closed_structure.ma
@@ -20,8 +20,8 @@ include "delayed_updating/syntax/path_depth.ma".
 
 (* Constructions with structure *********************************************)
 
-lemma path_closed_structure_depth (p):
-      ⊗p ϵ 𝐂❨♭p❩.
-#p elim p -p // *
+lemma path_closed_structure_depth (o) (p):
+      ⊗p ϵ 𝐂❨o,♭p❩.
+#o #p elim p -p // *
 /2 width=1 by pcc_L_dx, pcc_A_dx, pcc_S_dx/
 qed.