Equation 16.5.447058C51CA443

\begin{equation} \begin{split} \{ \gamma >\psi +2t\} \setminus \{ \psi =-\infty \} \subseteq \left\{ (\gamma +\psi )/2>\psi +t\right\} \\ \subseteq \left\{ (\gamma +\psi )/2>\varphi +t\right\} \subseteq \{ \gamma >\varphi +t\} . \end{split} \end{equation}