
diff -r 576a95f4c918 -r e97bdbc84421 Quot/Nominal/Terms.thy
--- a/Quot/Nominal/Terms.thy	Tue Feb 09 17:17:06 2010 +0100
+++ b/Quot/Nominal/Terms.thy	Tue Feb 09 17:26:08 2010 +0100
@@ -937,7 +937,7 @@
 where
   "rbv6 (rVr6 x) = {atom x}"
 | "rbv6 (rAp6 l r) = rbv6 l \<union> rbv6 r"
-| "rbv6 (rFo6 l r) = rbv6 l - rbv6 r"
+| "rbv6 (rFo6 l r) = rbv6 r - rbv6 l"
 
 primrec
   rfv_trm6




