What ⫒ means
Every element on the right is also on the left.
For A ⫒ B, each element of B belongs to A. The sets may be equal, or A may contain extra elements.
Don't confuse it with
1Questions 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
- ⫒ · superset relation · superset or equal · closed superset · ⫒ vs ⊇ · LaTeX \supseteq
- Shows up in
- Anything that takes text · its shape is whatever your font draws
Windows (Word)
Windows
HTML
⫒CSS
\2AD2LaTeX
The command
\supseteq produces , not ⫒.Codes and encoding1 code points
HTML decimal
⫒
HTML hex
⫒
CSS content
content: "\2AD2";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%AB%92
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.




