Euclid:Proposition/XI/17

Proposition

In the words of Euclid:

If two straight lines be cut by parallel planes, they will be cut in the same ratios.

(The Elements: Book $\text{XI}$: )


Sources

  • 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 3 (2nd ed.) ... (previous) ... (next): Book $\text{XI}$. Propositions
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