notational update in ground_2 and basic_2

[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / lib / list2.ma

diff --git a/matita/matita/contribs/lambdadelta/ground_2/lib/list2.ma b/matita/matita/contribs/lambdadelta/ground_2/lib/list2.ma
index b9a7327de68e8173fb2714ffac490c30ee40fccf..68f2d0628d9a0faca6196b3fff120c5da773fa82 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground_2/lib/list2.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/lib/list2.ma
@@ -37,7 +37,7 @@ interpretation "append (list of pairs)"
 
 rec definition length2 (A1,A2:Type[0]) (l:list2 A1 A2) on l ≝ match l with
 [ nil2        ⇒ 0
-| cons2 _ _ l â\87\92 ⫯(length2 A1 A2 l)
+| cons2 _ _ l â\87\92 â\86\91(length2 A1 A2 l)
 ].
 
 interpretation "length (list of pairs)"