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Latex empty set
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How to write empty set in Latex ? Several possibilities using either the default math mode or the amssymb package. The empty set in mathematics represents a set that contains nothing.
How to write empty set in Latex ?
You can use the default math mode or the amssymb package:
\documentclass[12pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{amssymb}
\begin{document}
\noindent
$\emptyset$ $\Leftarrow$ no package \\
$\O$ $\Leftarrow$ no package \\
$\varnothing$ $\Leftarrow$ package amssymb \\
\end{document}
It gives:
Ensemble Vide - Empty Set
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