It makes sense to say "library of books".  Is it legitimate to use the word "library" in other contexts.

For example, could one have a "library of hedgehogs" or a "library of apples"?


Question: changing the general theme of math fonts
Answer: If you cannot change the template itself then write before \begin{document}:

\usepackage{kpfonts}


for Palatino like fonts or

\usepackage{lmodern}


for Computer Modern fonts.