I was reminded of the Barber paradox when I recently read about an intriguing situation: a product that is kosher only if it doesn't have kosher certification.It's not quite the same thing, but ...

The Barber Paradox shows that barbers are not to be trusted. In 1901, Bertrand Russell, a philosopher and mathematician, was mulling over set theory. Sets, in mathematics, are any groups of ...

The village barber shaves himself and every other man in the village who don't shave himself. Does he shave himself? The scenario you've described is a classic example of a logical paradox known ...

The village barber shaves himself and every other man in the village who don't shave himself. Does he shave himself? The scenario you've described is a classic example of a logical paradox known ...