Equation 18.28.23D22CB4C7F0CC

\begin{equation} \theta _{P_{\theta ,K}[\varphi ](v)}^ n\leq \mathds {1}_{\left\{ P_{\theta ,K}[\varphi ](v)|_ K=P_{\theta ,K}[V_{\theta }](v)|_ K=v\right\} }\, \theta _{P_{\theta ,K}[V_{\theta }](v)}^ n. \end{equation}