Tue, 01 Jan 2008 16:09:26 +0100 wenzelm removed separate exists/forall code;
Tue, 01 Jan 2008 07:28:20 +0100 urbanc tuned proofs and comments
Mon, 31 Dec 2007 19:36:29 +0100 wenzelm removed obsolete banner;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip