LaTeX Left Arrow (←) - Complete Guide
The left arrow (←) indicates direction or mapping in the opposite direction.
Symbol Preview
Left Arrow
LaTeX Code
No package required
\leftarrowSingle left arrow
What is the LaTeX Left Arrow?
The left arrow (←) is used to show direction or function mapping in the reverse direction.
How to Use Left Arrow in LaTeX
Method 1: Using \leftarrow
✅No package required
Single left arrow
Example: Using \leftarrow
\documentclass{article}
\begin{document}
% Using the Left Arrow
Text with \leftarrow
\end{document}Common Use Cases
The Left Arrow symbol is commonly used in the following contexts:
Reverse Mapping
Indicating reverse function.
Code
$f^{-1}: \mathbb{R} \leftarrow \mathbb{R}$Output
f⁻¹: ℝ ← ℝ
Complete Examples
Inverse Function
Inverse function mapping
\documentclass{article}
\begin{document}
Inverse mapping: $f^{-1}: B \leftarrow A$
\end{document}Frequently Asked Questions
Which method should I use?
We recommend using the method marked as "Recommended" above. However, the best method depends on your specific needs:
- \leftarrow: Single left arrow
Where do I use this symbol?
This symbol can be used:
- In mathematical equations (math mode)
- In regular text (if using text mode)
- In various document environments
Can I use this in display mode?
Yes, symbols that work in math mode (between $ $) also work in display mode (between $$ $$). This allows you to display the symbol on its own line with larger formatting.
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