Thu, 07 Jun 2007 03:11:31 +0200 huffman define (1::preal); clean up instance declarations
Thu, 07 Jun 2007 02:34:37 +0200 huffman tuned
Thu, 07 Jun 2007 01:44:35 +0200 huffman instance preal :: ordered_cancel_ab_semigroup_add
Wed, 06 Jun 2007 23:06:29 +0200 huffman use new-style class for sq_ord; rename op << to sq_le
Wed, 06 Jun 2007 21:24:35 +0200 urbanc take out Class.thy again, because it does not yet compile cleanly
Wed, 06 Jun 2007 20:49:04 +0200 huffman add axclass semiring_char_0 for types where of_nat is injective
Wed, 06 Jun 2007 19:12:59 +0200 nipkow changed filter syntax from : to <-
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