Note: click with the right mouse button on any WebEQ equation to bring up a font size control panel.

Commutative diagrams

\array{
       \rowopts{\rowalign{center}}
           X & \overset{\ulap{g}}{\longrightarrow}  & Y \\

   \downarrow \rlap{\mathop{id}} & & \llap{\alpha}{\downarrow} \\

       \rowopts{\rowalign{center}}
           X & \underset{\dlap{h}}{\longrightarrow} & Z

      }

\array {      \mathbb{R}        \\
         \downarrow \rlap{\pi}  \\
                  X
       }

More information on these examples may be found in Sec. 7.5 of the WebTeX documentation.

WebEQ 2.5 Documentation Table of Contents