What ⥹ means
It combines subset notation and a rightward arrow; context supplies its exact meaning.
The 2010 MathML 3 operator dictionary lists it as infix, between the expressions it relates.
Why can ⥹ look different across fonts?
Fonts can change its drawing without changing the character.
The subset mark, arrowhead, spacing, or stroke weight may vary.
Don't confuse it with
4Questions 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 ⥹
⥹\2979Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
