diff -r 8a1f4227dff9 -r f178958d3d81 Prove.thy
--- a/Prove.thy	Fri Dec 04 18:32:19 2009 +0100
+++ b/Prove.thy	Fri Dec 04 21:42:55 2009 +0100
@@ -1,5 +1,5 @@
 theory Prove
-imports Main 
+imports Plain 
 begin
 
 ML {*