--- a/ProgTutorial/Intro.thy Fri Oct 29 11:00:37 2010 +0100
+++ b/ProgTutorial/Intro.thy Fri Oct 29 12:51:44 2010 +0200
@@ -28,8 +28,8 @@
Isabelle programming, and also explain ``tricks of the trade''. We also hope
the tutorial will encourage students and researchers to play with Isabelle
and implement new ideas. The source code of Isabelle can look intimidating,
- but beginners can get by with knowledge of only a small number functions and
- a few basic coding conventions.
+ but beginners can get by with knowledge of only a small number of functions
+ and a few basic coding conventions.
The best way to get to know the ML-level of Isabelle is by experimenting