LaTeX Empty Set (∅) - Complete Guide
The empty set symbol (∅) represents a set with no elements.
Symbol Preview
Empty Set
LaTeX Code
No package required
\emptysetEmpty set
Requires: \usepackage{cmd.package}
\varnothingAlternative notation
What is the LaTeX Empty Set?
The empty set is the unique set that contains no elements. It is denoted by ∅ or {}.
How to Use Empty Set in LaTeX
Method 1: Using \emptyset
✅No package required
Empty set
Example: Using \emptyset
\documentclass{article}
\begin{document}
% Using the Empty Set
Text with \emptyset
\end{document}Method 2: Using \varnothing
⚠️Required Package:
\usepackage{cmd.package}Alternative notation
Example: Using \varnothing
\documentclass{article}
\usepackage{amssymb}
\begin{document}
% Using the Empty Set
Text with \varnothing
\end{document}Common Use Cases
The Empty Set symbol is commonly used in the following contexts:
Empty Set
Set with no elements.
Code
$\emptyset = \{\}$Output
∅ = {}
Complete Examples
Empty Set Example
Empty set from intersection
\documentclass{article}
\begin{document}
If sets A and B are disjoint, then $A \cap B = \emptyset$
\end{document}Frequently Asked Questions about Empty Set (∅)
Which LaTeX code should I use for Empty Set?
For the Empty Set symbol (∅), we recommend using the method marked as "Recommended" above. However, the best method depends on your specific needs:
- \emptyset: Empty set
- \varnothing: Alternative notation
Where can I use the Empty Set symbol?
The Empty Set symbol (∅) is typically used:
- In mathematical equations (math mode)
- In regular text (if supported)
- In various LaTeX environments
Can I use the Empty Set symbol in display mode?
Yes, the Empty Set symbol (∅) works in display mode (between $$ $$). This allows you to render the symbol on its own line with better visibility.
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