Mathematical Double-struck Small O Symbol
๐ is the Unicode โMATHEMATICAL DOUBLE-STRUCK SMALL Oโ symbol used in mathematical notation.
U+1D560
This page helps you copy ๐ reliably and understand where itโs used. Itโs a specific Unicode math character with consistent styling in supporting fonts. You can paste it directly or use its provided HTML/CSS/JS escapes.
Mathematical Double-struck Small O Symbol Meaning
๐ (Unicode U+1D560, โMATHEMATICAL DOUBLE-STRUCK SMALL Oโ) is a mathematical symbol in the double-struck style. In practice, it appears in technical writing and typeset documents where authors want a distinct โOโ-like character, often to represent a specific mathematical object, set, or variable in formal notation. Because it belongs to the Unicode Mathematical Double-Struck block, its appearance depends on your fontโs support. When a font doesnโt support double-struck glyphs, the character may render differently or fall back to a plain substitute, so testing in your target environment is recommended.
Common uses
- โขTyping mathematical variables in papers, worksheets, and presentations
- โขDenoting a set or object with a distinct double-struck typographic style
- โขLabeling elements in equation editors that support Unicode math symbols
- โขUsing in LaTeX-like or Unicode-based math text when supported by fonts
- โขDesigning math-themed UI text, icons, or educational content
Examples
๐ Mathematical Double-Struck Small O
- ๐ Let ๐ be the designated object in the proof.
- ๐ We define ๐ = {x โ X : condition(x)}.
- ๐ The mapping f: ๐ โ Y is continuous.
- ๐ Choose an element a from ๐ to proceed.
- ๐ Consider the property satisfied by ๐ under composition.
Variations
Ready to copy
Technical codes
| Unicode | U+1D560 | |
| HTML Entity | 𝕠 | |
| HTML Code | 𝕠 | |
| CSS | \1D560 |
FAQ
What does the Mathematical Double-struck Small O symbol mean?
๐ (Unicode U+1D560, โMATHEMATICAL DOUBLE-STRUCK SMALL Oโ) is a mathematical symbol in the double-struck style. In practice, it appears in technical writing and typeset documents where authors want a distinct โOโ-like character, often to represent a specific mathematical object, set, or variable in formal notation. Because it belongs to the Unicode Mathematical Double-Struck block, its appearance depends on your fontโs support. When a font doesnโt support double-struck glyphs, the character may render differently or fall back to a plain substitute, so testing in your target environment is recommended.
What Unicode character is ๐ ?
๐ is โMATHEMATICAL DOUBLE-STRUCK SMALL Oโ with code point U+1D560.
How can I copy ๐ into HTML?
You can use the HTML entity: 𝕠.
What CSS or JavaScript escapes can I use for ๐ ?
CSS escape: \\1D560. JavaScript escape: \\u{1D560}.
Why does ๐ look different in some apps or fonts?
The visual style depends on font support for double-struck math glyphs; apps without that support may render a fallback character.