Implications

We have the following indirect implication of form equivalence classes:

151 \(\Rightarrow\) 151
given by the following sequence of implications, with a reference to its direct proof:

Implication Reference
151 \(\Rightarrow\) 151

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

Howard-Rubin Number Statement
151:

\(UT(WO,\aleph_{0},WO)\) (\(U_{\aleph_{1}}\)): The union of a well ordered set of denumerable sets is well  orderable. (If \(\kappa\) is a well ordered cardinal, see note 27 for \(UT(WO,\kappa,WO)\).)

151:

\(UT(WO,\aleph_{0},WO)\) (\(U_{\aleph_{1}}\)): The union of a well ordered set of denumerable sets is well  orderable. (If \(\kappa\) is a well ordered cardinal, see note 27 for \(UT(WO,\kappa,WO)\).)

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