Proposition: Prop. 9.34: Number neither whose Half is Odd nor Power of Two is both EvenTimes Even and EvenTimes Odd
Euclid's Formulation
If a number is neither (one) of the (numbers) doubled from a dyad, nor has an odd half, then it is (both) an eventimeseven and an eventimesodd (number).
* For let the number $A$ neither be (one) of the (numbers) doubled from a dyad, nor let it have an odd half.
* I say that $A$ is (both) an eventimeseven and an eventimesodd (number).
Modern Formulation
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Table of Contents
Proofs: 1
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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