Classification problem: Revision history

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curprev 18:3618:36, 16 December 2009 SmackBot talk contribs m 1,544 bytes +25 remove Erik9bot category,outdated, tag and general fixes undo

curprev 13:0013:00, 11 July 2009 Aboriginal Noise talk contribs m 1,472 bytes −29 rmv orphan template per orphanage criteria (3+ links) undo

curprev 19:5619:56, 14 May 2007 Geometry guy talk contribs 1,501 bytes +178 More up-to-date point of view on matter. Drop vector spaces; add more detail about surfaces; add groups undo
curprev 19:4519:45, 14 May 2007 Geometry guy talk contribs 1,323 bytes +20 Recent edits have destroyed the sense of the lead: attempt to clarify using indefinite pronoun undo
curprev 19:3919:39, 14 May 2007 Geometry guy talk contribs 1,303 bytes +1 Set theory classes and Russell's paradox are irrelevant to the sense of this article; undo

curprev 15:1815:18, 7 April 2007 SmackBot talk contribs m 1,280 bytes +3 date/fix the maintenance tags undo

curprev 22:0722:07, 24 July 2005 Gdrbot talk contribs m 736 bytes +8 Robot-assisted disambiguation: Linnaeus undo