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[Commentary:
On this page Harriot gives a statement and diagram for Proposition 19 from Supplementum geometriæ
(Viète 1593c, Prop . See also Add MS 6785
f. .
Proposition XIX.
Diametrum circuli ita continuare, ut fit continuatio ad semidiametrum adjunctum continuationi, sicut quadratum semidiametri ad quadratum continuatae diametri.
To extend the diameter of a circle so that the extension is to the semidiameter together with the extension as the square of the semidiameter to the square of the extended diameter.]
Proposition XIX.
Diametrum circuli ita continuare, ut fit continuatio ad semidiametrum adjunctum continuationi, sicut quadratum semidiametri ad quadratum continuatae diametri.
To extend the diameter of a circle so that the extension is to the semidiameter together with the extension as the square of the semidiameter to the square of the extended diameter.]
prop. 19.
[Translation: Proposition 19 from the ]
[Translation: Proposition 19 from the ]
Diametrum circuli ita continuare, ut fit continuatio ad semidiametrum adjunctum continuationi,
sicut quadratum semidiametri ad quadratum continuatae diametri.
[Translation: To extend the diameter of a circle so that the extension is to the semidiameter together with the extension as the square of the semidiameter to the square of the extended diameter.
[Translation: To extend the diameter of a circle so that the extension is to the semidiameter together with the extension as the square of the semidiameter to the square of the extended diameter.