# HG changeset patch # User wenzelm # Date 864117885 -7200 # Node ID 9190438471ea60c8dbe96c764f4accb3ba290846 # Parent 04618aca579de10ab76805516fd6220fa5f48864 *** empty log message *** diff -r 04618aca579d -r 9190438471ea NEWS --- a/NEWS Tue May 20 10:39:23 1997 +0200 +++ b/NEWS Tue May 20 10:44:45 1997 +0200 @@ -105,6 +105,8 @@ * HOL/ex/LFilter theory of a corecursive "filter" functional for infinite lists; +* HOL/Modelcheck demonstrates invocation of model checker oracle; + * HOL/ex/Ring.thy declares cring_simp, which solves equational problems in commutative rings, using axiomatic type classes for + and *;