| Change log entry 45820 | |
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| Processed by: | goldyn_chyld (2013-01-26 23:14:45 UTC) |
| Comment: |
<< review queue entry 44811 - submitted by 'brianlawrence' >> http://baike.baidu.com/view/599929.htm 在拓扑空间中，闭集是指其补集为开集的集合。 In a topological space, a closed set is a set whose complement is open. |
| Diff: |
+ 閉集 闭集 [bi4 ji2] /closed set (math.)/ |