Tue, 15 May 2007 18:20:07 +0200 berghofe Fixed bug that caused proof of induction theorem to fail if
Tue, 15 May 2007 08:10:31 +0200 huffman minimize imports
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
Mon, 14 May 2007 22:32:51 +0200 huffman tuned proofs
Mon, 14 May 2007 20:48:32 +0200 huffman add lemma sgn_mult; declare real_scaleR_def and scaleR_eq_0_iff as simp rules
Mon, 14 May 2007 20:14:31 +0200 huffman generalized sgn function to work on any real normed vector space
Mon, 14 May 2007 19:14:50 +0200 huffman root and sqrt on negative inputs
Mon, 14 May 2007 18:48:24 +0200 huffman move lemmas to RealPow.thy; tuned proofs
Mon, 14 May 2007 18:04:52 +0200 huffman tuned proofs
Mon, 14 May 2007 18:03:25 +0200 huffman tuned
Mon, 14 May 2007 17:45:42 +0200 huffman added general sum-squares lemmas
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