Graph Theory Problem

[Jared Smith]

On Fri, 2008-12-12 at 23:07 -0700, Dave Smith wrote:
> That is true, if you assume that a node can be a descendant of itself. :)

That reminds me... if you think your graph theory is complicated, go
listen to the Ray Stevens song entitled "I'm My Own Grandpa".  You can
find the lyrics at http://letmegooglethatforyou.com/?q=ray+stevens+i'm
+my+own+grandpa+lyrics

-Jared