> >>ok, I see. A problem with LyX.
> >>Write into the preamble:
> >>
> >>\newtheorem{theorem}{FrenchTheorem}
> >>\let\thm\theorem
> >
> > It works almost perfectly. Without inserting "\let\thm\theorem" in the
> > preamble, the output DVI file displays "Theorem 0.1" whereas otherwise
it
> > appears "FrenchTheorem 1.". It seems that anything was changed in the
> > theorem numbering.
>
> change the first line to
>
> \newtheorem{theorem}{FrenchTheorem}[section]It works perfectly! Thank you very much indeed, Herbert! Paul
