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From: das@ucla-cs.UUCP
Newsgroups: net.math
Subject: Re: Dot Town, U.S.A.
Message-ID: <999@ucla-cs.ARPA>
Date: Tue, 28-Aug-84 15:23:16 EDT
Article-I.D.: ucla-cs.999
Posted: Tue Aug 28 15:23:16 1984
Date-Received: Thu, 30-Aug-84 02:12:23 EDT
References: <2479@hplabsb.UUCP> <940@houxz.UUCP>
Organization: UCLA CS Dept.
Lines: 11

...
In light of J. Halle's proposed (but incorrect, I'm afraid) answer, there is
another condition which should be made clear:

6) Everyone believed the Stranger when he said "At least one person in town
   has a blue dot!", and everyone knows that everyone believed the Stranger.

What makes this puzzle so wonderful is that the answer is NOT "Well, if more
than a couple of people have blue dots, nothing happens."

-- David Smallberg, das@ucla-cs.ARPA, {ihnp4,ucbvax}!ucla-cs!das