The elements of Euclid : viz, the first six books, together with the eleventh and twelfth : the errors, by which Theon, or others, have long ago vitiated these books, are corrected, and some of Euclid's demonstrations are restored : also, The book of Euclid's data, in like manner corrected (1834)
Euclid, Euclid, Simson, Robert, 1687-1768 · Philadelphia : Desilver & Thomas · leaf 274
l to the right angleEAB, AB and HF are paral-lels, and therefore AH and BFare equal, and the rectangleEA, AH equal to the rectangleEA, BF, that is, to the rect-angle C, D: and because ML is equal to LN, and AL to LB, therefore MA is equal to BN, andthe rectangle AN, NB to MA, AN, that is (35. 3.)… … 272 NOTES. BOOK VI. given rectangle C, D, exceeding by the square BP. Which wasto be done. Willebrordus Snellius was the first, as far as I know, who gavethese constructions of the 3d and 4th problems, in his ApolloniusBatavus; and afterwards the learned Dr. Halley gave them in thescholium of the…
Mathematics, Greek · Geometry · Trigonometry
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