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Brian Pinsky's user avatar
Brian Pinsky's user avatar
Brian Pinsky's user avatar
Brian Pinsky
  • Member for 1 year, 10 months
  • Last seen more than a month ago
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 Popular Question
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 Necromancer
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Is every group the automorphism group of a ring?
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Axiom of Choice for collections of Equinumerous sets
No; it may be surprising but the definition of the function in Shroder-Bernstein does not use choice.
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 Nice Question
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 Yearling
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 Supporter
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 Scholar
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Axiom of Choice for collections of Equinumerous sets
Thanks; I thought it might be something simple like this but I couldn't think of it
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Axiom of Choice for collections of Equinumerous sets
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 Student
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Axiom of Choice for collections of Equinumerous sets
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 Nice Answer
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 Necromancer
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 Teacher
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Consequences of foundation/regularity in ordinary mathematics (over ZF–AF)?