We have the following indirect implication of form equivalence classes:
| Implication | Reference |
|---|---|
| 37 \(\Rightarrow\) 38 |
L’axiome de M. Zermelo et son rˆole dans la th´eorie des ensembles et l’analyse, Sierpi'nski, W. 1918, Bull. Int. Acad. Sci. Cracovie Cl. Math. Nat. |
Here are the links and statements of the form equivalence classes referenced above:
| Howard-Rubin Number | Statement |
|---|---|
| 37: | Lebesgue measure is countably additive. |
| 38: | \({\Bbb R}\) is not the union of a countable family of countable sets. |
Comment: