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when toggle format what by license comment
Oct 22, 2010 at 18:39 comment added Tony Huynh Fair point. Although, I also think that manifold is conveniently interpreted here to include compact and connected.
Oct 22, 2010 at 17:14 comment added Harry Altman I would think A and B would both be considered part of the "background" here...
Oct 22, 2010 at 16:46 history edited Tony Huynh CC BY-SA 2.5
added 7 characters in body
Oct 22, 2010 at 16:39 history answered Tony Huynh CC BY-SA 2.5