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Corrections for subbasis
1. a difficulty in using an arbitrary collection of subsets as a subbasis by waj on 2004-05-09 03:11:48 (accepted)
2. typo: \matcal -> \mathcal by puffinry23 on 2003-02-28 08:49:04 (accepted)
3. any family of sets is a subbasis for some topology by antonio on 2003-02-05 15:58:29 (retracted)

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