We have the following indirect implication of form equivalence classes:

122 \(\Rightarrow\) 0
given by the following sequence of implications, with a reference to its direct proof:

Implication Reference
122 \(\Rightarrow\) 0

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

Howard-Rubin Number Statement
122:

\(C(WO,<\aleph_{0})\): Every well ordered set of non-empty finite sets has a choice function.

0:  \(0 = 0\).

Comment:

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