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We have the following indirect implication of form equivalence classes:

8 \(\Rightarrow\) 380 given by the following sequence of implications, with a reference to its direct proof:

Implication	Reference
8 \(\Rightarrow\) 380	clear

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

Howard-Rubin Number	Statement
8:	\(C(\aleph_{0},\infty)\):
380:	\(PC(\infty,WO,\infty)\):  For every infinite family of non-empty well orderable sets, there is an infinite subfamily \(Y\) of \(X\) which has a choice function.

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