Euclid’s definition corresponds to today’s formulation.

^{1} i.e. the point used in the proceeding Definition 15 from Book 1 of Euclid’s “Elements”.

A circle with the center \(C\).

| | | | | created: 2017-02-04 10:17:14 | modified: 2019-02-15 07:00:13 | by: *bookofproofs* | references: [6419]

[6419] **Fitzpatrick, Richard**: “Euclid’s Elements of Geometry”, http://farside.ph.utexas.edu/Books/Euclid/Euclid.html, 2007

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