\chapter{De Rham cohomology}

\section{De Rham complex}
\section{Stokes-Cartan theorem}

The Stokes theorem of vector analysis generalizes to differential topology by means of differential forms.

\begin{theorem}[Stokes-Cartan theorem]
\[  \int_{\partial \Omega} \omega = \int_{\Omega} d\omega\]
\end{theorem}