Some of you have been trying unsuccessfully to get files from my ftp directory, which mysteriously disappeared. It is now restored. The address is ftp.math.mcgill.ca/pub/barr. Michael ------------------------------------------------------------------- If a society puts up with bad plumbers because plumbing is such a low calling, and if it puts up with bad philosophers because philosophy is such a high calling---then neither its pipes nor its theories will hold water. --- Slight paraphrase of former HEW secretary John Gardner