$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
5.24
\begin{equation} \begin{gathered}\label{equation:comparison-of-cones} \xymatrix@R =50pt@C=50pt{ \{ 1\} \times X \ar [r]^-{f} \ar [d] & Y \ar [d] \\ \Delta ^1 \times X \ar [r] & X \star _{Y} Y } \end{gathered} \end{equation}