diff -r 20d292c05e6c -r 79cc986bc4d7 NEWS --- a/NEWS Fri Apr 10 13:40:29 1998 +0200 +++ b/NEWS Fri Apr 10 13:41:04 1998 +0200 @@ -20,6 +20,8 @@ delWrapper, delSWrapper: claset * string -> claset getWrapper is renamed to appWrappers, getSWrapper to appSWrappers; +* Inductive definitions now handle disjunctive premises correctly (HOL and ZF) + *** HOL *** @@ -37,6 +39,12 @@ * HOL/Relation: renamed the relational operatotr r^-1 "converse" instead of "inverse" +* HOL/equalities: added many new laws involving unions, intersectinos, + difference, etc. + +* recdef can now declare non-recursive functions, with {} supplied as the + well-founded relation + * Simplifier: -The rule expand_if is now part of the default simpset. This means that @@ -62,7 +70,6 @@ * many new identities for unions, intersections, etc.; - New in Isabelle98 (January 1998) --------------------------------