2 articles trouvés pour ce sujet.
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Euclid's Parallel Postulate |
2013-08-20 |
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Justin pose la question : Hello there,
I was wondering is Euclid's Fifth Parallel Postulate of parallel lines never intersecting, undecidable or essentially undecidable?
Thank you so much for any help you can provide! Robert Dawson lui répond. |
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Non-Euclidean geometry |
2003-12-03 |
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Geoffrey pose la question : What are the applications of Non-Euclidean geometry (especially hyperbolic and spherical)? Walter Whiteley lui répond. |
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