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...Aquick introduction to non euclidean geometry atiling of the poincare plane from and fancy david singer page dr robert gardner presented at science hill high school march euclid bce note an history mathematics th edition howard eves alexander great founded city alexandria in nile river delta when died one his military leaders ptolemy took over region egypt made capitol territory started university about had lecture rooms laboratories museums a library with papyrus scrolls who may have come athens was head department little else is known eastern mediterranean world decameron website s elements consists books which include proposi tions american texts contain much material i iii iv vi xi xii no copies survive time modern editions are based on version prepared by theon lived years after work except for bible has been more widely used edited or studied probably exercised greater inuence scientic thinking denitions given not all some examples point that part line breadthless length straight...