Originally published: New York: Holt, Rinehart and Winston, 1945.Thus he suggested indirectly a geometry in which no two lines are parallel and the sum of the angles of a triangle is greater than two right angles. It will be recalled that, ... II, pp. 56I-597. THE DISCOVERY OF NON-EUCLIDEAN GEOMETRY 61.
|Title||:||Introduction to Non-Euclidean Geometry|
|Author||:||Harold E. Wolfe|
|Publisher||:||Courier Corporation - 2012-10-01|