chaieb [Tue, 15 May 2007 18:28:02 +0200] rev 22981
A verified theory for rational numbers representation and simple calculations;
verified with respect to the real numbers;
berghofe [Tue, 15 May 2007 18:20:07 +0200] rev 22980
Fixed bug that caused proof of induction theorem to fail if
introduction rules contained True or False.
huffman [Tue, 15 May 2007 08:10:31 +0200] rev 22979
minimize imports
huffman [Tue, 15 May 2007 07:28:08 +0200] rev 22978
clean up polar_Ex proofs; remove unnecessary lemmas
huffman [Tue, 15 May 2007 05:09:01 +0200] rev 22977
remove simp attribute from various polar_Ex lemmas
huffman [Mon, 14 May 2007 23:25:16 +0200] rev 22976
tuned proofs
huffman [Mon, 14 May 2007 23:09:54 +0200] rev 22975
spelling: rename arcos -> arccos
huffman [Mon, 14 May 2007 22:32:51 +0200] rev 22974
tuned proofs
huffman [Mon, 14 May 2007 20:48:32 +0200] rev 22973
add lemma sgn_mult; declare real_scaleR_def and scaleR_eq_0_iff as simp rules
huffman [Mon, 14 May 2007 20:14:31 +0200] rev 22972
generalized sgn function to work on any real normed vector space