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Un article trouvé 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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