Union symbol
Type :union: · Math
What ∪ is for
Everything in either set. The cup-shaped one, which is the standard mnemonic: union is the cup that holds both.
How to type ∪
The shortcuts below are the built-in routes. With
Emoji Anywhere
installed you can skip all of them and type
:union: in any text field instead, which
is the same on every platform.
macOS
No direct shortcut. Use Edit → Emoji & Symbols, or switch to the Unicode Hex Input
source and type 222A
with Option held.
Windows
No Alt code. In Word, type 222A then press Alt +
X. Elsewhere use the emoji panel with Win + Period, or Character Map.
Shortcodes
:union: On the web
HTML ∪
Unicode U+222A
What ∪ gets mistaken for
intersection
The other way up, and the opposite operation. Getting these two backwards is the classic set-theory slip.
More from math
:pm: × :times: ÷ :divide: ≈ :approx: ≠ :neq: ≡ :identical_to: ≤ :lte: ≥ :gte: ∞ :inf: √ :sqrt: ∑ :sum: ∏ :product_pi: Every symbol and kaomoji is in the full gallery .
Tired of copying ∪ from pages like this one?
That is exactly what the extension removes. Here is the whole interaction, in every text field you already use:
You type
You get
Your keyboard already knows what you mean
Free, 280 KB, no account. Two letters from now you will never open an emoji panel again.