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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 15

An illustration from 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, leaf 15
ribe (3. Post.)the circle CGFI, and from the cen-tre D, at the distance DG, describethe circle GKL. AL shall be equalto BC. Because the point B is the centreof the circle CGH, BC is equal (15.Def.) to BG; and because D is the centre of the circle GKL, DLis equal to DG, and DA, DB, parts of them,… … BOOK I. THE ELEMENTS OF EUCLID. 13

Mathematics, Greek · Geometry · Trigonometry

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