The Clowder Project

\begin{align*} \mathrm{dom}\webleft (S\mathbin {\diamond }R\webright ) & \subset \mathrm{dom}\webleft (R\webright ),\\ \mathrm{range}\webleft (S\mathbin {\diamond }R\webright ) & \subset \mathrm{range}\webleft (S\webright ). \end{align*}