How to Write the Parallel Symbol (||) in LaTeX

In LaTeX, you can write the parallel symbol (||) using the \parallel command.

The following examples show how to write the parallel symbol in LaTeX.

How to Write the Parallel Symbol in Text

We can use the \parallel command to write the parallel symbol in LaTeX document for text.

Suppose we want to write the parallel symbol in the text.

We can use the following LaTeX code to do so:

\documentclass{article}
\begin{document}

This is an example of using the parallel symbol \( A \parallel B \) in a sentence.

\end{document}

Output: 👇️

This is an example of using the parallel symbol A || B in a sentence.

In this example, we use the \parallel command to display the parallel symbol in the text.

How to Write the Parallel Symbol in Mathematical Expressions

For mathematical expressions, We can use the \parallel command to ensure proper formatting.

Suppose we would like to write mathematical expressions that contain the parallel symbol.

We can use the following LaTeX code to do so:

\documentclass{article}
\begin{document}

An inline mathematical expression: \( A \parallel B \).

A displayed mathematical expression:
\[
A \parallel B
\]

\end{document}

Output: 👇️

In this example, we use the \parallel command to denote the parallel symbol in both inline and displayed mathematical expressions.

Conclusion

We can use the \parallel command for both text and mathematical expressions. This ensures that the parallel symbol is properly formatted and displayed in LaTeX document.