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標題: topology [打印本頁]

作者: kwoklap 時間: 11-3-19 05:45 PM 標題: topology

我想問如果某個subset is open wrt to toplogical basis,

個subset係唔係都會open wrt to the toplogy generated by that toplogical basis???

thx

作者: 雪子秀 時間: 11-3-22 11:30 PM

舉條例子...

作者: Naozumi 時間: 11-3-23 09:12 AM

兩者有分別嗎?

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