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討論串[其他] 關於measure theory的問題想請教
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Firstly, it is easy to show that both (-\infinite,a) and [b,+\infinite) are open in Ts, and then the open set [a,b) in Ts is also closed in Ts.. Now a
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題目是這樣的. (R,Ts) (R,Te) 是兩個拓樸空間. Ts - Sorgenfrey Topology -generated by half closed interval [a,b) a,b實數. Te - Euclidean Topology -generated by open int
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