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A history of Greek mathematics : Heath, Thomas Little, Sir, 1861-1940 : Free Download, Borrow, and Streaming : Internet Archive

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Search the history of more than 1 trillion web pages. Capture a web page as it appears now for use as a trusted citation in the future. Please enter a valid web address 156 PYTHAGOREAN GEOMETRY If then it was not Pythagoras but some Pythagorean who discovered the irrationality of \/2, at what date are we to suppose the discovery to have been made ? A recent writer ^ on the subject holds that it was the later Pythagoreans who made the discovery, not much before 410 B.C. It is impossible, he argues, that fifty or a hundred years would elapse between the discovery of the irrationality of V2 and the like discovery by Theodorus (about 410 or 400 B.C.) about the other surds \/3, a/5, &c. It is difficult to meet this argument except by the supposition that, in the interval, the thoughts of geometers had been taken up by other famous p

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