Fri, 17 Feb 2012 11:50:09 +0000 added multisets to stable branch Nominal2-Isabelle2011-1
Christian Urban <urbanc@in.tum.de> [Fri, 17 Feb 2012 11:50:09 +0000] rev 3122
added multisets to stable branch
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 tip