LaTeX Not Equivalent () - Complete Guide

The not equivalent symbol (≢) denotes non-equivalence.

Symbol Preview

Not Equivalent

LaTeX Code

Requires: \usepackage{cmd.package}

Recommended
\notequiv

Not equivalent to

What is the LaTeX Not Equivalent?

Used to indicate that two quantities are not equivalent.

How to Use Not Equivalent in LaTeX

Method 1: Using \notequiv

⚠️Required Package:

\usepackage{cmd.package}

Not equivalent to

Example: Using \notequiv

latex
\documentclass{article}
\usepackage{amssymb}
\begin{document}

% Using the Not Equivalent
Text with \notequiv

\end{document}

Common Use Cases

The Not Equivalent symbol is commonly used in the following contexts:

Not Congruent

Values are not congruent.

Code

$3 \notequiv 1 \pmod{2}$

Output

3 ≢ 1 (mod 2)

Complete Examples

Not Congruent

Not congruent modulo

latex
\documentclass{article}
\begin{document}

$8 \not\equiv 3 \pmod{5}$ means they have different remainders.

\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:

  • \notequiv: Not equivalent to

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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