\documentclass[12pt,catalan]{notes}

\usepackage{apuntsgenerics}

\setlength{\parskip}{1em}

% Tensor commands:
\newcommand*{\TT}[1]{\bar{\bar{#1}}}

\title{\vspace{-.5em}Resum electromagnetisme}
\author{Adrià Vilanova Martínez\vspace{-2em}}

\titlemonth{Semestre primavera curs 2020-21}

\newcommand{\ex}{\text{Ex}}

\newcommand*\lapl{\Delta}

\begin{document}

\makecover

\input{tema1.tex}
\input{tema2.tex}
\input{tema3.tex}
\input{tema4.tex}

%\printindex

\end{document}