⊑

Math Operator 142

Unicode
U+2291
Category
Math
HTML Entity
⊑
CSS
\2291
The ⊑ symbol, officially called "Square Image of or Equal To," is a mathematical operator primarily used in theoretical computer science and set theory. It typically represents a partial order relation, denoting concepts like subsumption or "is a square subset of or equal to." While rarely seen in casual social media posts, it remains an essential character for formatting complex algebraic and logical formulas in academic texts.

How to Type

Windows
Alt + 8849
macOS
Control+Command+Space then search "square image"
Linux
Ctrl+Shift+U then 2291
HTML
⊑ or ⊑

In Programming

In mathematical typesetting systems like LaTeX, this symbol is generated using the `\sqsubseteq` command. It frequently appears in formal semantics and domain theory to indicate that one computational object is less defined than or equal to another.

Read full meaning article

Tags

LaTeX \sqsubseteq U+2291 lattice mathematics ordering partial order symbol relation square image equal copy paste square image of or equal to square subset or equal subsumption theoretical computer science unicode math symbol

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