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Proposition: Prop. 9.33: Number whose Half is Odd is Even-Times Odd

Euclid's Formulation

If a number has an odd half then it is an even-times-odd (number) only.

• For let the number $A$ have an odd half.
• I say that $A$ is an even-times-odd (number) only.

Modern Formulation

(not yet contributed)

Table of Contents

Proofs: 1

Thank you to the contributors under CC BY-SA 4.0!

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non-Github:

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References

Adapted from (subject to copyright, with kind permission)

1. Fitzpatrick, Richard: Euclid's "Elements of Geometry"

Adapted from CC BY-SA 3.0 Sources:

1. Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016