--- a/doc-src/TutorialI/Sets/sets.tex Thu Oct 26 10:27:04 2000 +0200
+++ b/doc-src/TutorialI/Sets/sets.tex Thu Oct 26 11:27:48 2000 +0200
@@ -1,3 +1,4 @@
+% ID: $Id$
\chapter{Sets, Functions and Relations}
Mathematics relies heavily on set theory: not just unions and intersections