Windows
2 options- In Word / Outlook: type 2209 then press Alt + X.
- Anywhere: press Win + . to open the emoji & symbol picker, then search.
Not An Element Of Symbol
A symbol from the Math Symbols collection. Click the symbol or the button below to copy.
- Symbol
- ∉
- Unicode
- U+2209
- HTML entity
- ∉
- Category
- Math Symbols
Export
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Background
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32 of 96 in the math symbols collection
About the not an element of symbol
In mathematical notation, this symbol appears in set theory and logic proofs to express that something does not belong to a collection. It is the negation of the membership relation, indicating that a given object is not an element of a particular set. For example, one might write to state that an object is absent from a group of items. The character is built from the standard element-of symbol with a diagonal stroke through it, functioning as a concise way to deny membership without writing out a longer phrase. It is found in academic papers, textbooks, and anywhere formal mathematical expressions are used.
How to type Not An Element Of
Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.
macOS
2 options- Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 2209.
- Or: Control + Command + Space opens the Character Viewer — search by name.
Linux
1 step- Press Ctrl + Shift + U, type 2209, then press Enter or Space.
Copy in every format
Every form of this character — for HTML, CSS, JavaScript, URLs and more. Click any value to copy.
Related math symbols
Other math symbols you can copy and paste — explore similar Unicode characters from the same family.
- +Plus SignCopy the plus sign symbol→
- −Minus SignCopy the minus sign symbol→
- ×Multiplication SignCopy the multiplication sign symbol→
- ÷Division SignCopy the division sign symbol→
- ±Plus-Minus SignCopy the plus-minus sign symbol→
- ∓Minus-Or-Plus SignCopy the minus-or-plus sign symbol→
- =Equals SignCopy the equals sign symbol→
- ≠Not Equal ToCopy the not equal to symbol→
- ≈Almost Equal ToCopy the almost equal to symbol→
- ≡Identical ToCopy the identical to symbol→
- ≤Less-Than Or Equal ToCopy the less-than or equal to symbol→
- ≥Greater-Than Or Equal ToCopy the greater-than or equal to symbol→
Explore related collections
Browse other symbol families that pair well with math symbols.