Torsten Mueller wrote:
>
> Hallo,
>
> how can I include the R for real numbers (and the N for integer numbers):
> I want to write in math: x element of R
>
> I have tried it with usepackage{amssymb} and then \Bbb{R}, but this
> gives error messages when it comes to the table of contents.
try $\Bbb{R}$ or any other delimiter
it's in mathmode, so $ is needed. for better results,
choose package dsfont and than $\mathds{R}$ or $\mathds{N}$
or any other letter. if it's not installed, than get
doublestroke.zip from ctan or dante.
Herbert
--
[EMAIL PROTECTED]
http://www.perce.de/voss
