Re: [help-texinfo] Inserting text in tex math mode

[Gavin Smith]

On Sat, Jun 17, 2017 at 01:24:59PM +0100, Paul Jakma wrote:
> Ah, not defined. I think that requires the LaTeX amsmath package. A
> \usepackage{amsmath} inside the @tex doesn't make it available.

You cannot use any LaTeX packages in Texinfo source.