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Apr 13, 2017 at 12:19 history edited CommunityBot
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/
Jan 25, 2016 at 15:12 comment added Christopher King @ThomasAndrews Yeah, I was assuming real numbers (since that's probably what he was familiar with.)
Jan 24, 2016 at 20:44 comment added Thomas Andrews @PyRulez Well, it is equal to $-1$, in the rings where the limit exists. :)
Jan 24, 2016 at 15:29 comment added Christopher King @CommonToad yep, just remember definitions are important, and you can't do anything with a thing that is undefined.
Jan 24, 2016 at 10:58 comment added CommonToad Thank you for this. I will look into the answer you reference
Jan 24, 2016 at 0:42 history answered Christopher King CC BY-SA 3.0