That seems to work. Thanks.
On 11/1/07, Enrico Forestieri <[EMAIL PROTECTED]> wrote:
> Ernesto Posse writes:
>
> > Hello. I have an issue with the use of \not in math mode, but I am not
> > sure if the poblem is with LyX or LaTeX itself.
> >
> > When I try to write "aRb" with the R negated, the diagonal which is
> > supposed to go over the R does not appear in the right place. I've
> > tried each of the following, both in ERT and using LyX's math
> > interface:
> >
> > $a\not Rb$ result: big space between a and R, / just a little over R.
> > $a\not R b$ result: same
> > $a\not{R}b$ result: same
> > $a{\not R}b$ result: smaller space between a and R, but / still not
> > completely over R.
> > $a{\not{R}}b$ result: same
> >
> > It seems that the only way to make it look right is with negative
> > spaces, but that seems like an ugly hack. Is there any way to negate
> > the "right" way?
>
> Note that \not is supposed to negate math relations, so I think
> that you can get what you want by using
>
> $a\not\mathrel Rb$
>
> Also note that you will get automatic spacing around your new math
> relation. If you don't like that, then use
>
> $a{\not\mathrel R}b$
>
> HTH
>
> --
> Enrico
>
>
--
Ernesto Posse
Modelling, Simulation and Design Lab - School of Computer Science
McGill University - Montreal, Quebec, Canada
url: http://moncs.cs.mcgill.ca/people/eposse
