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From: keith@seismo.UUCP (Keith Bostic)
Newsgroups: net.math
Subject: Re: a logic brain teaser
Message-ID: <3260@seismo.UUCP>
Date: Tue, 21-Aug-84 12:59:18 EDT
Article-I.D.: seismo.3260
Posted: Tue Aug 21 12:59:18 1984
Date-Received: Wed, 22-Aug-84 05:58:02 EDT
References: <219@ur-laser.uucp>
Organization: Center for Seismic Studies, Arlington, VA
Lines: 20

If my next question was "Is this the way to Oz", would you answer "yes"?

Q1: Would you answer "yes" to Q2?    (The answer "no" works just as well,
                                      you just have to reverse the meaning.)
        It is         It isn't       Liar:     always lies
Liar:    YES            NO           TT:       always tells the truth
                                     It is:    it's the way to Oz
TT:      YES            NO           It isn't: it isn't the way to Oz


Q2: Is this the way to Oz?

        It is         It isn't
Liar:    NO             YES

TT:      YES            NO

                Keith 
                        ARPA: keith@seismo 
                        UUCP: seismo!keith