We have the following indirect implication of form equivalence classes:

1 \(\Rightarrow\) 158
given by the following sequence of implications, with a reference to its direct proof:

Implication Reference
1 \(\Rightarrow\) 158

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

Howard-Rubin Number Statement
1:

\(C(\infty,\infty)\):  The Axiom of Choice: Every  set  of  non-empty sets has a choice function.

158:

In every Hilbert space \(H\), if the closed unit ball is sequentially compact, then \(H\) has an orthonormal basis.

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