# HG changeset patch # User nipkow # Date 908520485 -7200 # Node ID ca45d6126c8a527e81f573220f3b8f74e273b708 # Parent 38bda28c68a21022cb471bd2d529029e78cc1a8a *** empty log message *** diff -r 38bda28c68a2 -r ca45d6126c8a NEWS --- a/NEWS Thu Oct 15 12:15:14 1998 +0200 +++ b/NEWS Fri Oct 16 08:48:05 1998 +0200 @@ -254,11 +254,17 @@ * HOL/Relation: renamed the relational operator r^-1 "converse" instead of "inverse"; +* HOL/Induct/Multiset: a theory of multisets, including the wellfoundedness + of the multiset ordering; + * directory HOL/Real: a construction of the reals using Dedekind cuts -(not included by default); + (not included by default); * directory HOL/UNITY: Chandy and Misra's UNITY formalism; +* directory HOL/Hoare: a new version of Hoare logic which permits many-sorted + programs, i.e. different program variables may have different types. + * calling (stac rew i) now fails if "rew" has no effect on the goal [previously, this check worked only if the rewrite rule was unconditional] Now rew can involve either definitions or equalities (either == or =).