--- a/Nominal/Ex/LetRec2.thy	Tue Jul 05 18:01:54 2011 +0200
+++ b/Nominal/Ex/LetRec2.thy	Tue Jul 05 18:42:34 2011 +0200
@@ -7,8 +7,8 @@
 nominal_datatype trm =
   Vr "name"
 | Ap "trm" "trm"
-| Lm x::"name" t::"trm"  bind (set) x in t
-| Lt a::"lts" t::"trm"   bind "bn a" in a t
+| Lm x::"name" t::"trm"  binds (set) x in t
+| Lt a::"lts" t::"trm"   binds "bn a" in a t
 and lts =
   Lnil
 | Lcons "name" "trm" "lts"