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We have the following indirect implication of form equivalence classes:

363 \(\Rightarrow\) 38 given by the following sequence of implications, with a reference to its direct proof:

Implication	Reference
363 \(\Rightarrow\) 38	clear

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

Howard-Rubin Number	Statement
363:	There are exactly \(2^{\aleph_0}\) Borel sets in \(\Bbb R\). G. Moore [1982], p 325.
38:	\({\Bbb R}\) is not the union of a countable family of countable sets.

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