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Apr 1, 2023 at 11:27 vote accept user49822
Apr 13, 2017 at 12:57 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Apr 21, 2014 at 16:11 history edited Asaf Karagila CC BY-SA 3.0
deleted 383 characters in body
Apr 21, 2014 at 15:37 history edited Asaf Karagila CC BY-SA 3.0
added 762 characters in body
Apr 21, 2014 at 8:07 comment added Asaf Karagila Ah, I see. Thanks for pointing that out!
Apr 21, 2014 at 8:04 comment added Jeremy Rickard And of course this also answers the "injectivity" question. In fact, it shows that even finite-dimensional vector spaces need not be injective.
Apr 21, 2014 at 7:40 history answered Asaf Karagila CC BY-SA 3.0