We have the following indirect implication of form equivalence classes:
			
| Implication | Reference | 
|---|---|
| 37 \(\Rightarrow\) 37 | 
							 	Sur le r^ole de l'axiome de M. Zermelo dans l'analyse  moderne, Sierpi'nski,  W. 1916, C. R. Acad. Sci. Paris S'er. A-B  | 
					
Here are the links and statements of the form equivalence classes referenced above:
| Howard-Rubin Number | Statement | 
|---|---|
| 37: | Lebesgue measure is countably additive.  | 
					
| 37: | Lebesgue measure is countably additive.  | 
					
Comment: