--- a/doc-src/TutorialI/Overview/Isar.thy Fri Jun 17 11:35:35 2005 +0200
+++ b/doc-src/TutorialI/Overview/Isar.thy Fri Jun 17 16:12:49 2005 +0200
@@ -1,4 +1,4 @@
-theory Isar = Sets:
+theory Isar imports Sets begin
section{*A Taste of Structured Proofs in Isar*}