[數撚圍爐區] What is Mathematics? (4)
吾不會數學 2018-12-4 18:20:19
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ピピ美(大塚芳忠) 2018-12-4 18:24:13
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吾不會數學 2018-12-4 18:24:14
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吾不會數學 2018-12-4 18:24:54
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笑騎騎•放毒蛇 2018-12-4 18:24:54
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吾不會數學 2018-12-4 18:25:39
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笑騎騎•放毒蛇 2018-12-4 18:28:12
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吾不會數學 2018-12-4 18:30:01
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ピピ美(大塚芳忠) 2018-12-4 18:30:17
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笑騎騎•放毒蛇 2018-12-4 18:40:34
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吾不會數學 2018-12-4 18:45:05
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笑騎騎•放毒蛇 2018-12-4 18:51:11
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夢追人 2018-12-4 19:14:29
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夢追人 2018-12-4 19:16:14
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ピピ美(大塚芳忠) 2018-12-4 19:34:27
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FactsLikeJade 2018-12-4 20:32:21 science係explain/predict 現象,maths只係講出黎的語言,唔係content.
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幸福安泰吻 2018-12-4 20:34:25
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我愛陳嘉靖 2018-12-4 20:45:05 諗唔明點解Lindelof Covering Theorem點解啱
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例如infinite covering{(1/n,1)}n=2 to inf cover (0,1)
點解會搵到finite subcovering cover (0,1)
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定係我理解錯
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夢追人 2018-12-4 20:46:32 有finite cover有咩出奇
條theorem句statement係乜
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夢追人 2018-12-4 20:47:42 睇錯野,你呢個唔可能有finite cover架喎
日向葵海(主唱) 2018-12-4 20:50:06 Countable 喎

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我愛陳嘉靖 2018-12-4 20:50:38 S is a subset of R^n, F is a open cover of S then there exists a countable subcover of F for S
我愛陳嘉靖 2018-12-4 20:51:51 係喎
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喜歡化學 2018-12-4 20:53:06 個theorem 係 countable subcover ?
我愛陳嘉靖 2018-12-4 20:54:10 thank you
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