I almost forgot to mention, @EricR , that we occasionally have chats with Dr. Kevin Guilfoy who co-edited "The Cambridge Companion to Peter Abelard", so if medieval logic interests you that would be a good book to lay your hands on. Kevin is a great guy and could probably be convinced to answer any questions you might have on that subject.
The Cambridge Companion to Abelard (Cambridge Companions to Philosophy)
Although best known for his views about universals and his dramatic love affair with Heloise, Peter Abelard (1079-1142) also made important contributions in…
www.amazon.com