What ⫕ means
Every element of one set also belongs to the other.
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 ⫕
- Also called
- subsub
- Search it as
- subset relation · vertical subset notation · math entity name
- Shows up in
- Anything that takes text · its shape is whatever your font draws
Windows (Word)
Windows
HTML
⫕CSS
\2AD5Math markup entity
A 1997 W3C MathML table and 2003 entity list record
subsub for this sign; ⫕ works only where that entity is declared.Codes and encoding1 code points
HTML decimal
⫕
HTML hex
⫕
CSS content
content: "\2AD5";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%AB%95
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.

