床屋のパラドックス
1. Barber paradoxThis article is about a paradox of self-reference. For an unrelated paradox in the theory of logical conditionals with a similar name, introduced by Lewis Carroll, see the Barbershop paradox. 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. It shows that an apparently plausible scenario is logically impossible.
Read “Barber paradox” on English Wikipedia
Read “床屋のパラドックス” on Japanese Wikipedia
Read “Barber paradox” on DBpedia
Read “Barber paradox” on English Wikipedia
Read “床屋のパラドックス” on Japanese Wikipedia
Read “Barber paradox” on DBpedia
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