Reversed Empty Set Symbol
⦰ is the reversed empty set symbol used to represent a set-like “emptiness” mark in typography and math contexts.
U+29B0
⦰ (Unicode U+29B0) is commonly referred to as the reversed empty set symbol. It’s used when you want a distinctive set symbol that visually differs from the standard empty set. Below are practical ways to copy it and use it in text, design, and code.
Reversed Empty Set Symbol Meaning
⦰ is the Unicode character “REVERSED EMPTY SET” (U+29B0). Visually, it resembles an empty-set style symbol but with a reversed presentation compared to the more familiar empty set symbol (∅). In practice, it’s used in mathematical writing, typesetting, and technical documents where authors need a specific glyph variant for notation, diagrams, or stylistic consistency. It can also appear in formulas, logic statements, or educational materials that distinguish between related “empty” or “set” symbols. When sharing content online, use the provided HTML entity or code point escapes to avoid rendering issues.
Common uses
- •Typesetting: use ⦰ when you need the “reversed empty set” variant in math typography
- •Document notation: include it in worksheets or technical notes to distinguish specific set symbols
- •Editorial design: use the symbol in posters or infographics requiring a precise glyph style
- •Software text rendering: insert the character in UI text or status messages that reference math notation
- •Web publishing: paste the symbol or use HTML/CSS/JS escapes for consistent display
Examples
⦰ Reversed Empty Set Symbol
- ⦰The collection ⦰ denotes a reversed empty-set marker.
- ⦰Let S be ⦰ in this subcase of the proof.
- ⦰We label the diagram node with ⦰ for clarity.
- ⦰In the equation, ⦰ appears as the special set symbol.
- ⦰Use the glyph ⦰ to match the notation in the source.
Variations
Ready to copy
Technical codes
| Unicode | U+29B0 | |
| HTML Entity | ⦰ | |
| HTML Code | ⦰ | |
| CSS | \29B0 |
FAQ
What does the Reversed Empty Set symbol mean?
⦰ is the Unicode character “REVERSED EMPTY SET” (U+29B0). Visually, it resembles an empty-set style symbol but with a reversed presentation compared to the more familiar empty set symbol (∅). In practice, it’s used in mathematical writing, typesetting, and technical documents where authors need a specific glyph variant for notation, diagrams, or stylistic consistency. It can also appear in formulas, logic statements, or educational materials that distinguish between related “empty” or “set” symbols. When sharing content online, use the provided HTML entity or code point escapes to avoid rendering issues.
What is the Unicode code point for ⦰?
⦰ is Unicode U+29B0 (named “REVERSED EMPTY SET”).
How can I paste ⦰ into HTML?
You can use the HTML entity: ⦰.
How do I reference ⦰ in CSS or JavaScript?
CSS escape: \\29B0. JavaScript escape: \\u{29B0}.
Is ⦰ the same as the standard empty set symbol?
No. ⦰ is specifically the reversed empty set (a distinct Unicode character), even though it visually represents an empty-set-related idea.