# HG changeset patch
# User berghofe
# Date 1082135057 -7200
# Node ID e06ded775eca7e838ed742e08a293a294f4c9f40
# Parent  e46e7cdcf7960e6caf5b6597743f3f571ff5876a
Added entry for quickcheck command.

diff -r e46e7cdcf796 -r e06ded775eca NEWS
--- a/NEWS	Fri Apr 16 18:55:25 2004 +0200
+++ b/NEWS	Fri Apr 16 19:04:17 2004 +0200
@@ -166,6 +166,11 @@
   for a fragment of HOL.  The installation of an external SAT solver is
   highly recommended.  See "HOL/Refute.thy" for details.
 
+* 'quickcheck' command: Allows to find counterexamples by evaluating
+  formulae under an assignment of free variables to random values.
+  In contrast to 'refute', it can deal with inductive datatypes,
+  but cannot handle quantifiers. See "HOL/ex/Quickcheck_Examples.thy"
+  for examples.
 
 *** HOLCF ***