Tue, 21 Dec 2010 08:43:39 -0800 huffman declare more simp rules, rewrite proofs in Isar-style
Tue, 21 Dec 2010 16:41:31 +0100 hoelzl merged
Tue, 21 Dec 2010 15:00:59 +0100 hoelzl use DERIV_intros
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip