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17 novembre 2023 - 09:53
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The History of Non-Euclidean Geometry - A Most Terrible Possibility - Extra History - Part 4
In the early 19th century, people started to wonder if the Fifth Postulate couldn't be proven at all--meaning that it could be right, but it could also be wrong. Bolyai, Lobachevsky, and Riemann started exploring hyperbolic geometry and other strange realms...
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