diff -r 3b7e2dbbd684 -r 320a1d67b9ae NEWS --- a/NEWS Tue Oct 27 12:59:57 2009 +0000 +++ b/NEWS Tue Oct 27 14:46:03 2009 +0000 @@ -50,6 +50,9 @@ this method is proof-producing. Certificates are provided to avoid calling the external solvers solely for re-checking proofs. +* New counterexample generator tool "nitpick" based on the Kodkod +relational model finder. + * Reorganization of number theory: * former session NumberTheory now named Old_Number_Theory * new session Number_Theory by Jeremy Avigad; if possible, prefer this. @@ -167,7 +170,8 @@ * New implementation of quickcheck uses generic code generator; default generators are provided for all suitable HOL types, records -and datatypes. +and datatypes. Old quickcheck can be re-activated importing +theory Library/SML_Quickcheck. * Renamed theorems: Suc_eq_add_numeral_1 -> Suc_eq_plus1