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Author mark.dickinson
Recipients BTaskaya, mark.dickinson, tim.peters
Date 2019-08-20.17:13:41
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> Z/1Z is a perfectly-well-defined ring.

More to the point, it's a perfectly well-defined ring in which every element is invertible. That's why the Euler phi function has phi(1) = 1 (rather than phi(1) = 0), for example.
Date User Action Args
2019-08-20 17:13:41mark.dickinsonsetrecipients: + mark.dickinson, tim.peters, BTaskaya
2019-08-20 17:13:41mark.dickinsonsetmessageid: <>
2019-08-20 17:13:41mark.dickinsonlinkissue37893 messages
2019-08-20 17:13:41mark.dickinsoncreate