Equation 16.3.38BCB4335E3D6E

\begin{equation} \int _ X \theta _{\gamma }^ n-\int _ X \theta _{\varphi }^ n=\int _{\{ \varphi \leq \gamma -C\} } \theta _{\varphi _ C}^ n,\quad \int _ X \theta _{\gamma }^ n-\int _ X \theta _{\psi }^ n=\int _{\{ \psi \leq \gamma -C\} } \theta _{\psi _ C}^ n. \end{equation}