Not An Element Of

Part of Math Symbols

Not An Element Of has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.

Alt code
None
HTML entity
∉
Unicode
U+2209

About this symbol

∉ means “is not a member of”, the crossed form of Peano’s ∈: 7 ∉ {1, 2, 3} says that 7 is not in the set.

Unicode facts

Official name
NOT AN ELEMENT OF
Type
Maths symbol
Unicode block
Mathematical Operators
Unicode group
Set membership
Added in
Unicode 1.1 (1993)
Built from
∈ Element Of U+2208
◌̸ Combining Long Solidus Overlay U+0338

Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.

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