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barber paradox
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English
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English
Wikipedia
has an article on:
barber paradox
Wikipedia
Proper noun
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the
barber
paradox
A
paradox
of
self-reference
, where, supposing that every man either shaves himself or is shaved by the
barber
, and the barber shaves all and only the men who do not shave themselves, then it is impossible to determine who shaves the barber.
See also
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Grelling-Nelson paradox
Russell's paradox
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