By Saul Stahl
Tracing the formal improvement of Euclidean geometry, this article heavily follows Euclid's vintage, Elements. as well as delivering a ancient viewpoint on airplane geometry, it covers comparable themes, together with non-neutral Euclidean geometry, circles and standard polygons, projective geometry, symmetries, inversions, knots and hyperlinks, and casual topology. comprises 1,000 perform difficulties. ideas to be had. 2003 version.