"What would your other brother say is the road to Baghdad?" Then take the other direction! Cheers
On Tue, Jul 20, 2004 at 06:18:43PM -0400, John M wrote: > Dear Bruno, > > perhaps the list will forgive me a bit of distraction upon your knight > and knave koan. > I call it a koan, because within your conditions there is no right solution > to either of the questions. > IMO Problem #1 is open, #2 is subject to unlisted circumstances. (Common > sense). > To make the question subject to 'common sense' logic, I put some > restrictions on (my) > > Problem JM: > "In the desert watch-tower at the fork there are two guards, twins. One > tells ALWAYS the truth, the other ALWAYS lies. One way leads to Bagdad, the > other to the lion-desert. You can ask ONE question: to decide which way to > go to Bagdad. Which one is that > ONE question getting you the right answer without knowing Which brother is > on duty?" > I give you a day, if nobody does so,tomorrow I will post the answer. > > John Mikes > -- *PS: A number of people ask me about the attachment to my email, which is of type "application/pgp-signature". Don't worry, it is not a virus. It is an electronic signature, that may be used to verify this email came from me if you have PGP or GPG installed. Otherwise, you may safely ignore this attachment. ---------------------------------------------------------------------------- A/Prof Russell Standish Director High Performance Computing Support Unit, Phone 9385 6967, 8308 3119 (mobile) UNSW SYDNEY 2052 Fax 9385 6965, 0425 253119 (") Australia [EMAIL PROTECTED] Room 2075, Red Centre http://parallel.hpc.unsw.edu.au/rks International prefix +612, Interstate prefix 02 ----------------------------------------------------------------------------
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