I just noticed that for kpfonts
and times
(and probably other fonts since it does not seem to be font-related), the subscripts on boldface letters like V are (I would say) wrong. Is there an explanation?
\documentclass{book}
\usepackage{times}
%\usepackage{kpfonts}
\begin{document}
$\mathbf{A}_a$ $A_a$ $\mathbf{V}_a$ $V_a$
\end{document}
\bf{A}_a
? I was instructed by more senior posters here to never use\mathbf{ }
inmathmode
.\bf
.