Empty Set With Small Circle Above Symbol
⦲ represents an empty set variant, commonly used in mathematical notation.
U+29B2
⦲ is a Unicode math symbol named “EMPTY SET WITH SMALL CIRCLE ABOVE.” It’s mainly used in formal writing and notation where a specific “empty set” variant is needed. Use the copy codes below to paste it reliably in documents and code.
Empty Set With Small Circle Above Symbol Meaning
The symbol ⦲ is the Unicode character “EMPTY SET WITH SMALL CIRCLE ABOVE” (U+29B2). In mathematical contexts, it denotes an empty set with an additional distinguishing mark (the small circle above). Such notation is often used when an author needs to differentiate this specific empty-set form from other set-related symbols or empty-set variants. Because it is a dedicated Unicode character, it’s appropriate for technical documents, research writing, and typesetting where consistent symbol identity matters. In plain text, it can also be used as a clear visual cue for “no elements,” but its most reliable interpretation is within math-oriented usage.
Common uses
- •Writing mathematical statements that require a specific empty set variant
- •Labeling conditions in proofs or logic notation where “no elements” is emphasized
- •Designing educational materials or worksheets for set theory notation
- •Formatting LaTeX-free math content in plain text and CMS editors
- •Annotating diagrams or flowcharts that indicate an empty collection
Examples
⦲ Empty set with small circle above
- ⦲Let ⦲ denote an empty collection of elements.
- ⦲If the set is ⦲, then no elements satisfy the property.
- ⦲We exclude cases corresponding to ⦲ in the classification.
- ⦲Define the collection as ⦲ after filtering.
- ⦲The result is ⦲, meaning nothing remains after the operation.
Variations
Ready to copy
Technical codes
| Unicode | U+29B2 | |
| HTML Entity | ⦲ | |
| HTML Code | ⦲ | |
| CSS | \29B2 | |
| Alt Code | Alt + 10674 | |
| Decimal | 10674 |
How to type Empty Set With Small Circle Above Symbol (⦲)
On Windows
Hold Alt and type 10674 on the numeric keypad. In Word, type 29B2 then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 29B2. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 29b2, 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 Empty Set With Small Circle Above symbol mean?
The symbol ⦲ is the Unicode character “EMPTY SET WITH SMALL CIRCLE ABOVE” (U+29B2). In mathematical contexts, it denotes an empty set with an additional distinguishing mark (the small circle above). Such notation is often used when an author needs to differentiate this specific empty-set form from other set-related symbols or empty-set variants. Because it is a dedicated Unicode character, it’s appropriate for technical documents, research writing, and typesetting where consistent symbol identity matters. In plain text, it can also be used as a clear visual cue for “no elements,” but its most reliable interpretation is within math-oriented usage.
What is the Unicode name of ⦲?
Its Unicode name is “EMPTY SET WITH SMALL CIRCLE ABOVE.”
What is the Unicode code point for ⦲?
The code point is U+29B2.
How do I copy ⦲ in HTML?
Use the HTML entity: ⦲
Is ⦲ the same as the regular empty set symbol ∅?
They are related, but ⦲ is a distinct Unicode character and includes a distinguishing mark; use ⦲ when a specific empty-set variant is required.