Julian Lowell Coolidge eBooks
eBooks di Julian Lowell Coolidge
A Treatise on the Circle and the Sphere. E-book. Formato PDF
Julian Lowell Coolidge
edizioni Forgotten Books collana , 2017
Every writer knows that the pleasantest part of his task consists in writing the preface, for here he has a chance to express his gratitude to the generous friends who have helped him with suggestion and counsel. The present author would especially mention his colleague Professor Maxime bocher, who kindly read the...
The Elements of Non-Euclidean Geometry. E-book. Formato PDF
Julian Lowell Coolidge
edizioni Forgotten Books collana , 2017
The heroic age of non-euclidean geometry is passed. It is long since the days when Lobachevsky timidly referred to his system as an 'imaginary geometry', and the new subject appeared as a dangerous lapse from the orthodox doctrine of Euclid. The attempt to prove the parallel axiom by means of the other usual assumptions...