Definition:Euclid's Definitions - Book XI/16 - Center of Sphere
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Definition
In the words of Euclid:
- The center of the sphere is the same as that of the semicircle.
(The Elements: Book $\text{XI}$: Definition $16$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 3 (2nd ed.) ... (previous) ... (next): Book $\text{XI}$. Definitions