Proposition: Prop. 9.33: Number whose Half is Odd is EvenTimes Odd
Euclid's Formulation
If a number has an odd half then it is an eventimesodd (number) only.
* For let the number $A$ have an odd half.
* I say that $A$ is an eventimesodd (number) only.
Modern Formulation
(not yet contributed)
Table of Contents
Proofs: 1
Thank you to the contributors under CC BYSA 4.0!
 Github:

 nonGithub:
 @Fitzpatrick
References
Adapted from (subject to copyright, with kind permission)
 Fitzpatrick, Richard: Euclid's "Elements of Geometry"
Adapted from CC BYSA 3.0 Sources:
 Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016