# Double stroke math

I recently started using ConTeXt and am trying to figure out how to place number sets. Namely, how do I get the natural number and real number sets to look like they do in LaTeX, (i.e. \mathbb{N} and \mathbb{R})?

I found doublestroke, but the font isn't quite the same. Any suggestions?

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From the Blackboard bold page in contextgarden:

Blackboard bold is probably the most common way of denoting the "standard" number sets: the natural numbers, the integers and so on. In AMS-LaTeX, you use the \mathbb{...} command to obtain them; the ConTeXt way is the \blackboard{...} command. Also, the following commands are defined:

\naturalnumbers

\integers

\rationals

\reals

\complexes

\primes

\blackboard{F}

\blackboard{O}

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There is also the font switch {\Bbb ...}. –  Aditya Sep 7 '11 at 3:18