Philosophy & Religion
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Harry the Barber
Why are the following statements inconsistent with each other?
(1) Harry the Barber shaves only those who do not shave themselves.
(2) Harry the Barber shaves all of those who do not shave themselves.
(Hint: Who shaves Harry?)
(3) Harry the Barber shaves all and only those who do not shave themselves?
What follows from that?
Solutions? Click here.