From: utzoo!decvax!ittvax!sii!mem Newsgroups: net.math Title: oops Article-I.D.: sii.145 Posted: Sat Aug 7 23:11:36 1982 Received: Sun Aug 8 02:59:16 1982 c i just read my response to that question and find that i typed it wrong (having just typed the name "john" i guess my fingers felt obligated to type it again) what i meant was: (hmmm now I've forgotten the names of the principles; the question was-- x and y lie, z tells the truth, find x by asking each a question.) ask "are you y"; the one that says "yes" is x.