On Tue, Jun 17, 2003 at 01:17:52PM -0700, Chris Carlen wrote: > >Clues as to what is going on would be appreciated. > > > >Finally, can \usepackage{amsmath} be used in LyX? > > > Yes, by putting it in the preamble.
You should use the "Use AMS math" button in the document dialog instead.