On Mon, 7 Mar 2005 17:29:50 +0000, Paul Smith <[EMAIL PROTECTED]> wrote: > > \mathbb works only in math mode. > > True, but, for example, one can get the symbol referred by \mathbb{R} > in text mode, with the appropriate commands; so, I speculated... > > In my case, I get red characters in math-mode. > > Maybe, the reported problem occurs to me because I am not using the > default LyX fonts.
My ignorance betrayed me again: I did not know about "instant preview"; with instant preview, it works fine, but not without it. Paul