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Clompact sets

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发表于 2010-10-2 15:55 | 显示全部楼层 |阅读模式
发表于 2010-10-3 03:50 | 显示全部楼层

Clompact sets

If E is compact, than E^c is clompact and vice versa
发表于 2010-10-3 08:29 | 显示全部楼层

Clompact sets

kindlychung ,本网网友百分之九九不懂外文,则请外文十分了得的你到专门外文网站去逞雄好不好?!
 楼主| 发表于 2010-10-3 14:26 | 显示全部楼层

Clompact sets

下面引用由elimqiu2010/10/02 08:50pm 发表的内容:
If E is compact, than E^c is clompact and vice versa
A clompact set is certainly bounded.
Why must it be open?
发表于 2010-10-3 21:16 | 显示全部楼层

Clompact sets

Sorry. I misunderstood the definition
A clompact set is simply a finite point set:
If E is clompact, then E can be covered by finite number of its single point subset.
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