Date: Sat, 23 Nov 85 16:49 EST From: Daniel L. Weinreb <DLW@SCRC-QUABBIN.ARPA> There seems to be a minor typo on page 23, second paragraph of 2.2.4, second line, in which an existential qualifier symbol appears where there ought to be a numeral "3". Aw, c'mon! I *know* the code font stinks... --Guy