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The LaTeX command for complement (∁) is ^\complement — set complement (superscript).
^\complementWrite ^\complement inside math mode — that is, between $…$ for inline math or in a \[ … \] / equation block for display math. This symbol needs the amssymb package, so add \usepackage{amssymb} to your preamble.
$A ^\complement B$Prefer to see it live? Paste it into the LaTeX preview and it renders as you type — no compiler, no signup.
\emptyset\varnothing\mathbb{N}\mathbb{Z}\mathbb{Q}\mathbb{R}\mathbb{C}\mathbb{F}\bigcap\bigcup\bigsqcup\uplus\biguplus\mathcal{P}Search all 380+ LaTeX symbols →
Use ^\complement in math mode after adding \usepackage{amssymb} to your preamble. For example, $A ^\complement B$.
It comes from the amssymb package — add \usepackage{amssymb} to your preamble.