Euclid:Proposition/IX/15
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Proposition
In the words of Euclid:
- If three numbers in continued proportion be the least of those which have the same ratio with them, any two whatsoever added together will be prime to the remaining number.
(The Elements: Book $\text{IX}$: Proposition $15$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{IX}$. Propositions