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when toggle format what by license comment
Mar 12, 2019 at 15:23 history edited Mike Shulman CC BY-SA 4.0
added comments relating this to $\xi$ being epi
Mar 12, 2019 at 11:59 vote accept anuyts
Mar 12, 2019 at 0:08 history answered Mike Shulman CC BY-SA 4.0