X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Flibrary%2FZ%2Fz.ma;h=ea50a2cd9c3b70729df6c8c6bb4b16d661d80d41;hb=676868d140f4314043723cc7f2fda3fbceade7dd;hp=d18c80b23ac323b996280a835a52912fc2ffc8ce;hpb=400b07e007cfbb0b4ce5ed77cfc50f227c491310;p=helm.git

diff --git a/helm/matita/library/Z/z.ma b/helm/matita/library/Z/z.ma
index d18c80b23..ea50a2cd9 100644
--- a/helm/matita/library/Z/z.ma
+++ b/helm/matita/library/Z/z.ma
@@ -27,7 +27,7 @@ definition Z_of_nat \def
 [ O \Rightarrow  OZ 
 | (S n)\Rightarrow  pos n].
 
-coercion Z_of_nat.
+coercion cic:/matita/Z/z/Z_of_nat.con.
 
 definition neg_Z_of_nat \def
 \lambda n. match n with