[lojban-beginners] Re: Nth root of unity

[Pierre Abbat <phma@phma.optus.nu>]

On Tuesday 19 February 2008 01:25, Yoav Nir wrote:
> I don't like that very much. a two-dimensional number should be a
> vector, not a complex number. {lujna'u} I like better, because this is
> a composite number, just as {lujvo} is a composite word.

But a composite number is a product of more than one prime number, not a 
complex number. 5, as a complex number, is composite, because it's the 
product of 2+i and 2-i, which are prime.

The complex numbers are a two-dimensional vector space over the real numbers. 
What should we call vectors?

phma