[LMB] OT: The Spanish Barber (was Re: LQ #59: Aral's POV)

Peter Granzeau pgranzeau at cox.net
Sat Apr 25 19:26:41 BST 2009


At 09:51 PM 4/24/2009, Jim Parish wrote:
>Howard Brazee wrote, of the Spanish Barber:
>> Almost every time I hear this "paradox", it goes something like this:
>> 
>> A village has a barber in it, who shaves all and only the people who 
>> do not shave themselves. Who shaves the barber?
>> 
>> That is insufficiently constrained.   There is nothing in that  
>> scenario that says the Barber doesn't shave himself, nor that he 
>> avoids getting a shave.
>
>Excuse me? "All and only": if he shaves himself, he is one of the people 
>who shave themselves, who are precisely the people he is forbidden by 
>rule to shave. Conversely, if he avoids getting shaved, then he certainly 
>does not shave himself, and he shaves all of the people who meet that 
>condition.

Who said the barber needed a shave, anyway?  She shaves someone, I suppose.


-- 
Regards, Pete
pgranzeau at cox.net 




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