Sun, 07 Oct 2012 15:05:11 +0200 wenzelm explicit close button;
Sat, 06 Oct 2012 16:03:41 +0200 haftmann congruence rule for Finite_Set.fold
Sat, 06 Oct 2012 11:08:52 +0200 haftmann alternative simplification of ^^ to the righthand side;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip