From: utzoo!decvax!harpo!eagle!mhuxt!mhuxj!mhuxi!mhuxv!burl!sb1!ll1!ihldt!ixn5c!inuxc!pur-ee!uiucdcs!renner Newsgroups: net.jokes Title: Re: Re: Obscure math joke - (nf) Article-I.D.: uiucdcs.1394 Posted: Thu Jan 27 00:26:59 1983 Received: Sun Jan 30 11:30:32 1983 #R:utzoo:-277500:uiucdcs:9900072:000:346 uiucdcs!renner Jan 26 23:06:00 1983 It is also possible to prove that all horses have six legs, as follows: * direct proof: all horses have 2 hind legs as well as forelegs, making 6 legs in all. * indirect proof: assume that there is a horse that does not have six legs. That, however, would be a horse of a different color, which by the lemma, does not exist.