We have the following indirect implication of form equivalence classes:

98 \(\Rightarrow\) 98
given by the following sequence of implications, with a reference to its direct proof:

Implication Reference
98 \(\Rightarrow\) 98 The Axiom of Choice, Jech, 1973b, page 161 problem 11.5

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

Howard-Rubin Number Statement
98:

The set of all finite subsets of a Dedekind finite set is Dedekind finite. Jech [1973b] p 161 prob 11.5.

98:

The set of all finite subsets of a Dedekind finite set is Dedekind finite. Jech [1973b] p 161 prob 11.5.

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