Euclid:Proposition/V/18
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Proposition
In the words of Euclid:
- If magnitudes be proportional separando, they will also be proportional componendo.
(The Elements: Book $\text{V}$: Proposition $18$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{V}$. Propositions