by Virgil <Virgil@[EMAIL PROTECTED]
>
Jul 20, 2008 at 02:03 PM
In article <1usfqoaxp7374.gz6czvua09cx.dlg@[EMAIL PROTECTED]
>,
"Brian M. Scott" <b.scott@[EMAIL PROTECTED]
> wrote:
> If you want the set of
> positive integers, use Z+, which is wholly unambiguous.
> (The '+' should be a superscript.)
As in "Z^+"?
Superscripts in newsnet postings are usually indicated by a preceding
"^" and subscripts by a preceding "_". For super- or sub- scripts of
more than one character, they may be parenthesized to avoid ambiguity.