Subject: Proofs of Theorems
From: "William J. Rapaport" <rapaport@buffalo.edu>
Date: Thu, 15 Oct 2009 21:33:18 -0400 (EDT)

Earlier, I sent around some theorems for you to prove as practice for
the midterm exam:

http://www.cse.buffalo.edu/~rapaport/191/F09/EMAIL/20091012-Thms2Prove.txt

I have now added a document containing the proofs:

http://www.cse.buffalo.edu/~rapaport/191/F09/EMAIL/20091015-Thms2ProveProofs.txt