changeset 23971 | e6d505d5b03d |
parent 23920 | 4288dc7dc248 |
child 23977 | 5a3ec03c825b |
--- a/NEWS Tue Jul 24 20:34:11 2007 +0200 +++ b/NEWS Tue Jul 24 21:51:18 2007 +0200 @@ -754,6 +754,8 @@ [x <- xs. P] to avoid an ambiguity caused by list comprehension syntax, and for uniformity. INCOMPATIBILITY +* Lemma "set_take_whileD" renamed to "set_takeWhileD" + * New lemma collection field_simps (an extension of ring_simps) for manipulating (in)equations involving division. Multiplies with all denominators that can be proved to be non-zero (in equations)