∁

Math Operator 2

Unicode
U+2201
Category
Math
HTML Entity
∁
CSS
\2201
The ∁ symbol, officially known as the Complement operator, is primarily used in mathematical set theory and logic. It represents the absolute complement of a set, denoting all elements under consideration that are not included in that specific group. While rarely seen in casual social media posts, it is an essential character for formatting advanced mathematical equations and technical documentation online.

How to Type

Windows
Win + . then search "complement"
macOS
Control + Command + Space then search "complement"
Linux
Ctrl + Shift + U then 2201
HTML
∁ or ∁

In Programming

In technical documentation, this symbol is typically rendered using the \complement command in LaTeX. It is also utilized in mathematical computing environments like Mathematica to programmatically define or calculate the elements excluded from a specific dataset.

Read full meaning article

Tags

LaTeX complement U+2201 absolute complement complement complement notation complement of a set elements not in set logic logic symbol mathematics set complement set complement operator set difference set theory

Related Symbols

± Plus Minus Sign × Multiplication Sign ÷ Division Sign ≠ Not Equal To ≈ Approximately Equal To ∞ Infinity √ Square Root ∑ Summation ∫ Integral π Pi ≤ Less Than or Equal To ≥ Greater Than or Equal To