diff -r 0a380ac80e7d -r 6eb91805a012 doc-src/TutorialI/Inductive/Even.thy --- a/doc-src/TutorialI/Inductive/Even.thy Thu Oct 26 10:27:04 2000 +0200 +++ b/doc-src/TutorialI/Inductive/Even.thy Thu Oct 26 11:27:48 2000 +0200 @@ -1,3 +1,4 @@ +(* ID: $Id$ *) theory Even = Main: text{*We begin with a simple example: the set of even numbers. Obviously this