From: Pit Capitain <pit@...>
Date: 2005-11-22T19:07:32+09:00
Subject: Ron Jeffries implementing Extended Sets

For those of you not reading the Extreme Programming mailing list, Ron 
Jeffries is currently blogging about Extended Set Theory and a more or 
less test driven implementation in Ruby. You can find the articles here:

   http://www.xprogramming.com/xpmag/index.htm

Regards,
Pit