On Sun, Oct 24, 2010 at 6:11 PM, Uwe Stöhr <uwesto...@web.de> wrote: > Am 24.10.2010 22:05, schrieb Venable: > >> First, I would like to include a boldface arrow. LyX allows me to >> select Edit - Math - Text Style - Math Bold Series, and I can see in >> the LaTeX source window that the markup is being applied (i.e. >> \mathbf{\downarrow}), but when I export to PDF the arrow is not >> discernibly bold. > > You have to use \boldsymbol as described in sec. 11.2 "Bold Formulas" of the > Math manual that you find in LyX's Help menu. > >> Second, I would like to know if there is a way to produce a negated >> diagonal arrow that uses a scalable font. There is a \nsearrow symbol >> in the mnsymbol package, but this appears to be a bitmap font and >> therefore quite ugly. > > You can negate everything using \not. So in your case type: > \not\searrow > > (described in sec. 3.6 "Negations" of the Math manual) > > regards Uwe >
Thank you, those both work beautifully -- and without the need for an extra package!