--- a/Nominal/Ex/LetRec.thy	Tue Jul 05 18:01:54 2011 +0200
+++ b/Nominal/Ex/LetRec.thy	Tue Jul 05 18:42:34 2011 +0200
@@ -8,8 +8,8 @@
  trm =
   Var "name"
 | App "trm" "trm"
-| Lam x::"name" t::"trm"     bind (set) x in t
-| Let_Rec bp::"bp" t::"trm"  bind (set) "bn bp" in bp t
+| Lam x::"name" t::"trm"     binds (set) x in t
+| Let_Rec bp::"bp" t::"trm"  binds (set) "bn bp" in bp t
 and bp =
   Bp "name" "trm"
 binder