On Mon, Mar 9, 2009 at 6:51 PM, Karl von Laudermann <karlvonl@xxxxxxx> wrote: > Huh? Since when is the null koan disallowed? This must be a (relatively) > recent rule change, because my group has always used the null koan. Playing With Pyramids says in multiple places that a koan has one or more pyramids. The null koan is an obvious variant that lots of people allow, but I prefer to disallow it because of the ambiguity of rules like "contains only grounded pyramids". --dougorleans@xxxxxxxxx