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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 178

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 178
ABC, GHK;but ABC and GHK are together greater than the angle DEF;therefore also the angle MXN is greater than DEF. And becauseDE, EF are equal to MX, XN, and the base DF to the base MN,the angle MXN is equal (8. 1.) to the angle DEF: and it has beenproved that it is greater than DEF, which is…

Mathematics, Greek · Geometry · Trigonometry

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