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Non-Euclidean Geometry: Fifth Edition
Non-Euclidean Geometry: Fifth Edition
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Size: Paperback
This textbook introduces non-Euclidean geometry, and the third edition adds a new chapter, including a description of the two families of 'mid-lines' between two given lines and an elementary derivation of the basic formulae of spherical trigonometry and hyperbolic trigonometry, and other new material.