Barber & Russell Paradoxes (History of Undecidability Part 2) - Computerphile
10:40

Barber & Russell Paradoxes (History of Undecidability Part 2) - Computerphile

Key Facts In This Video

  • 1

    One theory of "two" is that the essence of twoness is the union the set of all sets with two members, like black and white. (2:12)

  • 2

    Bertrand Russell showed that some attempted formalizations of the naive set theory were contradictory. (3:40)

  • 3

    The Russell's paradox deals with the idea that mathematics is not always decidable. (9:18)

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