urbanc [Wed, 06 Jun 2007 21:24:35 +0200] rev 23283
take out Class.thy again, because it does not yet compile cleanly
huffman [Wed, 06 Jun 2007 20:49:04 +0200] rev 23282
add axclass semiring_char_0 for types where of_nat is injective
nipkow [Wed, 06 Jun 2007 19:12:59 +0200] rev 23281
changed filter syntax from : to <-
nipkow [Wed, 06 Jun 2007 19:12:40 +0200] rev 23280
hide filter
nipkow [Wed, 06 Jun 2007 19:12:07 +0200] rev 23279
tuned list comprehension, changed filter syntax from : to <-
huffman [Wed, 06 Jun 2007 18:32:05 +0200] rev 23278
clean up proofs of exp_zero, sin_zero, cos_zero
huffman [Wed, 06 Jun 2007 17:01:33 +0200] rev 23277
generalize class constraints on some lemmas
huffman [Wed, 06 Jun 2007 17:00:09 +0200] rev 23276
generalize of_nat and related constants to class semiring_1
huffman [Wed, 06 Jun 2007 16:42:39 +0200] rev 23275
declare complex_diff as simp rule
chaieb [Wed, 06 Jun 2007 16:12:08 +0200] rev 23274
New Reflected Presburger added to HOL/ex