--- a/src/HOL/HOLCF/IOA/meta_theory/Asig.thy Sat Jan 08 00:28:31 2011 +0100
+++ b/src/HOL/HOLCF/IOA/meta_theory/Asig.thy Sat Jan 08 09:30:52 2011 -0800
@@ -8,7 +8,7 @@
imports Main
begin
-types
+type_synonym
'a signature = "('a set * 'a set * 'a set)"
definition