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 38
D … lllE ELEMENTS OF EUCLID. BOOK I. D ABC is equal (38. I.) to the triangle GEF, because they areupon equal bases BC, EF, and between the same parallels BE,AG: but the trians^le ABC is equal to the triangle DEF5 thereforealso the triangle DEE is equal to the triangle GEE, the greaterto the less, which…
Mathematics, Greek · Geometry · Trigonometry
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