$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
9.44
\begin{equation} \begin{gathered}\label{equation:fiberwise-completion-cocartesian-case-revisited} \xymatrix@R =50pt@C=50pt{ \operatorname{\mathcal{E}}^{\dagger } \ar [rr]^-{H^{\dagger } } \ar [dr]_{U^{\dagger } } & & \widehat{\operatorname{\mathcal{E}}}^{\dagger } \ar [dl]^{ \widehat{U}^{\dagger } } \\ & \operatorname{\mathcal{C}}^{\operatorname{op}} & } \end{gathered} \end{equation}