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Corrections for de Morgan's laws
1. capitalization by Mathprof on 2007-06-29 22:25:31 (accepted)
2. subsets of a "space" ? by akrowne on 2003-08-06 14:21:18 (accepted)
3. A few comments by matte on 2003-03-30 12:43:18 (accepted)
4. a few comments by matte on 2003-03-30 12:36:35 (retracted)
5. Set builder notation by antiquark on 2002-05-22 00:26:27 (accepted)
6. Switch \cup and \cap in final paragraph by Logan on 2002-02-24 04:35:58 (accepted)
7. couple minor fixes by rmilson on 2002-02-21 12:17:07 (accepted)
8. de Morgan's law for Boolean algebra by akrowne on 2002-02-20 20:31:41 (accepted)

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