[FOM] concerning surjection from S^2 onto Pow(S)
pax0 at seznam.cz
pax0 at seznam.cz
Sun Oct 21 11:22:14 EDT 2012
I would even expect that 1 implies 2 is strictly weaker then AC over ZF.
Jan Pax
> I expect that it is not provable in ZF.
>
> To summarize, I expect that ZF does not prove that the following are
> equivalent:
>
> 1. there is a surjective map from S x S onto Pow(S).
> 2. S has exactly two, three, or four elements.
>
> Harvey Friedman
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