Double Subset Symbol
⋐ is the double subset symbol, represented as U+22D0.
U+22D0
The symbol ⋐ is called the double subset. It’s commonly used in mathematical notation when you want to express a “double” subset relationship. You can copy it directly or insert it using its Unicode code point.
Double Subset Symbol Meaning
⋐ (Unicode name: “DOUBLE SUBSET”, code point U+22D0) is a math symbol that indicates a subset relation with a stronger or differentiated meaning than the single subset sign. In practice, it appears in formal writing and typeset equations to distinguish between related set relationships (for example, when a notation scheme specifies a particular variant of subset). Because it is a Unicode math character, it is best used in contexts that support Unicode and math symbols—such as document editors, websites with proper font support, and technical documents.
Common uses
- •Writing set theory statements where a double subset notation is required
- •Typing mathematical conditions in notes, reports, or documentation
- •Labeling or formatting proofs in educational materials
- •Building math content for websites or apps that render Unicode symbols
- •Creating typographic standards for worksheets, slides, or posters
Examples
⋐ Double subset: symbol, name, copy & HTML
- ⋐A ⋐ B means A has the specified double-subset relation to B.
- ⋐If S ⋐ T, then the chosen relation holds under our definition.
- ⋐We write X ⋐ Y to indicate the double subset condition.
- ⋐The statement “U ⋐ V” appears in the set relationships section.
- ⋐In the equation, ⋐ marks the required subset variant.
Variations
Ready to copy
Technical codes
| Unicode | U+22D0 | |
| HTML Entity | ⋐ | |
| HTML Code | ⋐ | |
| CSS | \22D0 | |
| Alt Code | Alt + 8912 | |
| Decimal | 8912 |
How to type Double Subset Symbol (⋐)
On Windows
Hold Alt and type 8912 on the numeric keypad. In Word, type 22D0 then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 22D0. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 22d0, then press Enter or Space.
Anywhere
Copy ⋐ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Double Subset symbol mean?
⋐ (Unicode name: “DOUBLE SUBSET”, code point U+22D0) is a math symbol that indicates a subset relation with a stronger or differentiated meaning than the single subset sign. In practice, it appears in formal writing and typeset equations to distinguish between related set relationships (for example, when a notation scheme specifies a particular variant of subset). Because it is a Unicode math character, it is best used in contexts that support Unicode and math symbols—such as document editors, websites with proper font support, and technical documents.
What is the Unicode code point for ⋐?
⋐ is U+22D0 (Unicode name: “DOUBLE SUBSET”).
How can I copy ⋐ into HTML?
You can use the HTML entity: ⋐.
What is the CSS escape for this symbol?
The CSS escape is: \\22D0.
How do I insert ⋐ in JavaScript?
Use the Unicode escape: \\u{22D0}.