Tue, 20 Apr 2010 18:24:50 +0200 Christian Urban renamed Ex1.thy to SingleLet.thy
Tue, 20 Apr 2010 11:29:00 +0200 Christian Urban tuning of the code
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 tip