jweinst1
3/26/2018 - 5:17 PM

two level cd in latex

two level cd in latex

\begin{tikzcd}
A  \arrow[d] \arrow[r] &B \arrow[d] \\
E  \arrow[r] &D \\
R  \arrow [u, "\alpha"] \arrow[r]  &T \arrow[u]
\end{tikzcd}