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when toggle format what by license comment
Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Aug 1, 2011 at 10:31 vote accept Mark Freeman
Jul 29, 2011 at 20:50 answer added Joseph O'Rourke timeline score: 3
Jul 29, 2011 at 11:08 history asked Mark Freeman CC BY-SA 3.0