Equation 16.3.110F7C5A9FEE2D

\begin{equation} \int _ X \theta _{1,P_{\theta _1}[\varphi _1]}\wedge \cdots \wedge \theta _{n,P_{\theta _ n}[\varphi _ n]}=\int _ X \theta _{1,\varphi _1}\wedge \cdots \wedge \theta _{n,\varphi _ n}. \end{equation}