Donate

Get Started

• Trigger "/mathb"

\begin{CD}
...code here...
\end{CD}

Commutative Diagram Arrows

@<<< left arrow

@AAA up arrow

@VVV down arrow

@. empty arrow.

@>>> right arrow

@= horizontal equals

@| vertical equals

$$ \begin{CD} @>>> @<<< @AAA @VVV @= @| @. \end{CD} $$

\begin{CD}
     @>>> @<<< @AAA @VVV @= @| @.
\end{CD}

Example

$$ \begin{CD} 1 @<<< 2 @= 3\\ @. @| @VVV\\ @. 4 @= 5 \end{CD} $$

\begin{CD}
     1 @<<< 2 @= 3\\
     @. @| @VVV\\
     @. 4 @= 5
\end{CD}

Labels

Upper

$$ \begin{CD} \text{A} @>label>> \text{B} \end{CD} $$

\begin{CD}
     \text{A} @>label>> \text{B}
\end{CD}

Lower

$$ \begin{CD} \text{A} @>>label> \text{B} \end{CD} $$

\begin{CD}
     \text{A} @>>label> \text{B}
\end{CD}

Left