[lojban-beginners] Nth roots of unity

[der Mouse <mouse@Rodents.Montreal.QC.CA>]

> In mathematical terminology, there is a phrase "root of unity."  My
> ability to explain it sucks, so I'm going to copy the definition from
> the controversial Wikipedia, and hope not to be shot down:

Wikipedia is pretty good for things that are factual, for which there
is one clearly right answer.  This is an example.

The definition you quote is right, and I say that as someone with a BSc
in mathematics, who knows enough complex analysis to have written out
the definition cold.

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