Question

A barber is someone who shaves all those, and those only, who do not shave themselves. does the barber shave himself?

Answer 1

The barber paradox is a puzzle derived from Russell's paradox. It was used by Bertrand Russell himself as an illustration of the paradox, though he attributes it to an unnamed person who suggested it to him.[1] It shows that an apparently plausible scenario is logically impossible. Specifically, it describes a barber who is defined such that he both shaves himself and does not shave himsel

Answer 2

Specifically, it describes a barber who is defined such that he both shaves himself and does not shave himself.