N -> R

[Andreas Bauer]

Hi everbody!

Is there a way to properly write something like

  N(atural number) -> R(eal number)

In maths text books it appears N and R look kind of like this

  IN -> IR

I'd like to use this in LyX, too. (Couldn't find it in the manual.)
Any ideas?

Thanks!
Andi.

-- 
Andreas Bauer, baueran at in.tum.de                       Very funny Scotty,
http://home.in.tum.de/baueran/                  now beam me down some pants.