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From: peters@cubsvax.UUCP (Peter S. Shenkin)
Newsgroups: net.jokes
Subject: Another Shaggy Dog Story
Message-ID: <142@cubsvax.UUCP>
Date: Fri, 13-Jan-84 16:27:39 EST
Article-I.D.: cubsvax.142
Posted: Fri Jan 13 16:27:39 1984
Date-Received: Sat, 14-Jan-84 23:43:39 EST
Organization: Columbia Univ Biology, New York City
Lines: 12



This one comes from SIGAPL'S "APL QuoteQuad" of a few years ago;  
they ran a series of jokes about the null set.

	Man 1:  My dog can do arithmetic.
	Man 2:  Oh yeah?  Let's see.
	Man 1 (to Dog):  How much is one minus one?
	Dog:

{philabs,cmcl2!rocky2}!cubsvax!peters
(Peter S Shenkin; Dept of Biol Sci; Columbia Univ; NY, NY 10027; 212-280-5517)