Implications

We have the following indirect implication of form equivalence classes:

91 \(\Rightarrow\) 273
given by the following sequence of implications, with a reference to its direct proof:

Implication Reference
91 \(\Rightarrow\) 273 Equivalents of the Axiom of Choice II, Rubin, 1985, theorem 5.7

Here are the links and statements of the form equivalence classes referenced above:

Howard-Rubin Number Statement
91:

\(PW\):  The power set of a well ordered set can be well ordered.

273:

There is a subset of \({\Bbb R}\) which is not Borel.

Comment:

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