review example 7/ theorem 3 (pg375) --mnoah 16:42, 24 September 2008 (UTC)
Grading for Mike (mnoah): I believe that Mike has very good posts to Rhea. His comments are helpful but he doesn't just give the answer away. I use his post every homework. I think he does a wonderful job. --eraymond 13:25, 5 October 2008 (UTC)
