Tue, 15 May 2007 07:28:08 +0200 huffman clean up polar_Ex proofs; remove unnecessary lemmas
Tue, 15 May 2007 05:09:01 +0200 huffman remove simp attribute from various polar_Ex lemmas
Mon, 14 May 2007 23:25:16 +0200 huffman tuned proofs
Mon, 14 May 2007 23:09:54 +0200 huffman spelling: rename arcos -> arccos
(0) -10000 -3000 -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip