Re:Bertrand Russell to Oswald Mosley (1962)
by siegelzero on Tuesday September 16, 2025 @05:33PM
(#45268393)
Yes you're right it's typically stated as "shaves all those, and those only, who do not..."
https://en.wikipedia.org/wiki/Barber_paradox
Re:Bertrand Russell to Oswald Mosley (1962)
by ndsipa_pomu on Wednesday September 17, 2025 @11:56AM
(#45277401)
I prefer the version that leaves the barber's gender unknown (i.e. could be a woman):
> The barb in this town shaves all men who do not shave themselves. Does the barber shave themself?
I'm not familiar with this one but is it misstated here? The barber doesn't only shave men who don't shave themselves. If he doesn't shave himself then he shaves himself and therefore can shave himself without contradiction. If he shaves himself he can shave himself without contradiction. Either way he shaves himself.
(Or maybe I'm just bad at logic)