What ⦳ means
No; is the plain empty-set sign. ⦳ adds a right arrow above that form. They are related signs, but their shared shape does not mean you can substitute one for the other in a formula.
Questions people ask
1Why does ⦳ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type or find ⦳
- Search it as
- ⦳ · empty set arrow · empty set with arrow above · raemptyv · emptysetoarr
- Shows up in
- Anything that takes text · its shape is whatever your font draws
Windows (Word)
Windows
macOS
HTML
⦳CSS
\29B3Codes and encoding1 code points
HTML decimal
⦳
HTML hex
⦳
CSS content
content: "\29B3";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%A6%B3
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.


