diff -r b51532dd5689 -r bcb037806e16 Nominal/Ex/SingleLet.thy
--- a/Nominal/Ex/SingleLet.thy	Wed Jun 23 08:48:38 2010 +0200
+++ b/Nominal/Ex/SingleLet.thy	Wed Jun 23 08:49:33 2010 +0200
@@ -10,7 +10,7 @@
   Var "name"
 | App "trm" "trm"
 | Lam x::"name" t::"trm"  bind_set x in t
-| Let a::"assg" t1::"trm" t2::"trm" bind_set "bn a" in t1 t2
+| Let a::"assg" t::"trm" bind_set "bn a" in t
  
 and assg =
   As "name" "trm"