From the very beginning to the very end; covering or regarding the entire possible range or scope. "Izzard" here is a once-dialectical, but now largely humorous, variation on the phonetic spelling of the letter "Z" (in British English, pronounced "zed"). We have to do a stock count of everything in the warehouse, from A to izzard! This introductory philosophy course will examine the field from A to izzard, beginning with the Greeks and finishing with the work of modern philosophers.