X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Farith%2Fnat.ma;h=80a2aa200e64500e4c5a3b1f039a1832e434a748;hp=1bc7286b6a21d78d0e38cadd51b6670d0a3056a8;hb=68e028d053806177e218ee1a5f8778d3011bef83;hpb=ccf5878f2a2ec7f952f140e162391708a740517b

diff --git a/matita/matita/contribs/lambdadelta/ground/arith/nat.ma b/matita/matita/contribs/lambdadelta/ground/arith/nat.ma
index 1bc7286b6..80a2aa200 100644
--- a/matita/matita/contribs/lambdadelta/ground/arith/nat.ma
+++ b/matita/matita/contribs/lambdadelta/ground/arith/nat.ma
@@ -25,7 +25,9 @@ inductive nat: Type[0] ≝
 
 coercion ninj.
 
-interpretation "zero (non-negative integers" 'Zero = nzero.
+interpretation
+  "zero (non-negative integers)"
+  'Zero = nzero.
 
 (* Basic inversions *********************************************************)