Subject: The Addition Rule of Inference
From: "William J. Rapaport" <rapaport@buffalo.edu>
Date: Sat, 3 Oct 2009 14:59:56 -0400 (EDT)

There is a document that goes into a bit more detail on the Addition
rule of inference that I discussed in lecture (the one that allowed
Bertrand Russell to argue that he was the Pope :-)

You can find it by following the Directory of Documents to the Logic
website, or linking directly to:

http://www.cse.buffalo.edu/~rapaport/191/S09/addition.html