We have the following indirect implication of form equivalence classes:

118 \(\Rightarrow\) 118
given by the following sequence of implications, with a reference to its direct proof:

Implication Reference
118 \(\Rightarrow\) 118 Lattice Theory (3rd edition), Birkhoff, 1967, page 241

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

Howard-Rubin Number Statement
118:

Every linearly orderable topological space is normal.  Birkhoff [1967], p 241.

118:

Every linearly orderable topological space is normal.  Birkhoff [1967], p 241.

Comment:

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