Inside Out Library · Explore

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 88

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 88
0 produced meet one another: for, if they do not meet, they are pa-rallel, wherefore AB, AC, which are at right angles to them, areparallel; which is absurd: let them meet in F, and join FA; also,if the point F be not in BC, join BE, CF; then, because AD is equalto DB, and DF common, and at right…

Mathematics, Greek · Geometry · Trigonometry

Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.

More pictures 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

More like this