Cup in LaTeX

The LaTeX command for cup (∪) is \cup — set union.

\cup

Binary Operators · Unicode ∪ (U+222A) · no package needed

How to type Cup

Write \cup inside math mode — that is, between $…$ for inline math or in a \[ … \] / equation block for display math. It is part of core LaTeX math, so no extra package is required.

Example

$a \cup b$

a \cup b

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FAQ

How do you write cup (∪) in LaTeX?

Use \cup in math mode — it needs no extra package. For example, $a \cup b$.

Which package provides \cup?

None — \cup is built into LaTeX's math mode, so no extra package is required.

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