Imperative assignment (:=) symbol in LaTeX

In this tutorial, you will learn how to use the Imperative assignment symbol correctly in LaTeX.

In order to get the Imperative assignment symbol in LaTeX you can directly use the := in the source code, but in this case, the colon (:) will not be vertically centered with the equal symbol.

To overcome this problem you can use the \coloneqq command provided by the mathtools package. This command will give you a perfect output of this symbol.

\documentclass{article}
\usepackage{mathtools}

\begin{document}

  $$ := \text{vs} \coloneqq $$ 

\end{document}

Output: