Euclidean Geometry, the Parallel Postulate, and the Work of Lambert and Legendre
Euclid’s Elements is a set of books of great antiquity, written around 300 bc. Our knowledge of them derives from a few copies of copies from shortly before 1000 ad — nearer to us in the present day than to Euclid himself. We rely, and have relied for four hundred years, on a succession of editions and commentaries by many people. This transmission with commentaries was reasonably well established by 1600. The best modern edition was published just before 1900. It is the work of a tireless Danish scholar, J. L. Heiberg, and is the basis for the standard English edition, that of Sir T. L. Heath.1
KeywordsAbsolute Measure Spherical Geometry Similar Triangle Bodily Space Great Antiquity
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