I am very grateful to Jeremiah Coogan for pointing out a couple of corrections and some suggested amendments to the original version of this post. I've incorporated Jeremiah's points in a revised version but remain, of course, entirely responsible for any remaining errors or shortcomings.
I am very grateful to Jeremiah Coogan for pointing out a couple of corrections and some suggested amendments to the original version of this post. I've incorporated Jeremiah's points in a revised version but remain, of course, entirely responsible for any remaining errors or shortcomings.