What ⬼ means
The chart’s Z-notation note is attached to . Unicode pairs ⬼ with right-facing . In Z notation, a surjective injection is a function that reaches every possible output and maps distinct inputs to distinct outputs. Read the arrow's direction as part of the notation.
Related characters
1
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.
More like this
9
How to type or find ⬼
- Search it as
- Z notation · surjective injection · math arrow · LaTeX arrow
- Shows up in
- Anything that takes text · its shape is whatever your font draws
Windows (Word)
Windows
macOS
HTML
⬼CSS
\2B3CCodes and encoding1 code points
HTML decimal
⬼
HTML hex
⬼
CSS content
content: "\2B3C";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%AC%BC
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.