Barber paradox
Colloquial version of Russell’s paradox: does a barber, who shaves all those — and those only — who do not shave themselves, shave himself?
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Barber paradox
Colloquial version of Russell’s paradox: does a barber, who shaves all those — and those only — who do not shave themselves, shave himself?
The barber paradox is a puzzle derived from Russell's paradox. It was suggested to Bertrand Russell as an illustration of the paradox, but he deemed it an invalid modification of his paradox. The puzzle shows that an apparently plausible scenario is logically impossible.
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Texto en inglés Aún no hay artículo en tu idioma: extracto en inglés.
The barber paradox is a puzzle derived from Russell's paradox. It was suggested to Bertrand Russell as an illustration of the paradox, but he deemed it an invalid modification of his paradox. The puzzle 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 himself, which implies that no such barber exists.
Texto: Wikipedia en inglés, CC BY-SA 4.0. ·
