From: utzoo!decvax!ittvax!neiman Newsgroups: net.jokes Title: Re: Re: Obscure math joke - (nf) Article-I.D.: ittvax.596 Posted: Fri Jan 28 12:20:46 1983 Received: Mon Jan 31 19:26:59 1983 References: uiucdcs.1394 All Cats have nine tails. Proof: A cat has one more tail than no cat. No cat has eight tails. Eight plus one is nine. Therefore, all cats have nine tails. Forgot where I saw this, dann