%%
%% The LaTeX Companion, 3ed
%%
%% Example 12-3-38 on page II-251 in "mathpazo --- Another Palatino-based approach for math".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.0pt}
%StartShownPreambleCommands
\usepackage{mathpazo,bm}
%StopShownPreambleCommands

\begin{document}
Bold is easy to achieve: {\boldmath$\alpha
 \neq A$}. It also blends in well:
$A \neq \mathbf{A} = \bm\alpha - \bm\gamma$.
\end{document}