Re: naive question from a non-mathematician


cody.roux@xxxxxxxxx wrote:

Yes. It is usually implicitly assumed when you are talking about the
field of complex numbers, that you have the inclusions N in Z in Q in R
in C. It probably would be more correct (and horribly unpractical) to
talk about injective mappings in each case.

I don't see why; all the above are instrinsically defined in terms of C.

.