What ⇾ means
It marks rightward direction; the notation supplies its exact role. In mathematical or logical writing, ⇾ can serve as a specialized operator; the surrounding expression sets the relation.
Arrows have served as practical direction marks for a long time. An instructional arrow illustration dates to around the first century AD. Arrow forms were simplified by the mid-to-late nineteenth century; in 1922, David Hilbert used an arrow for logical implication. These are milestones in the wider arrow tradition, not a fixed interpretation of ⇾.
MathML classifies ⇾ as a stretchy infix operator: it sits between parts of an expression and may stretch to fit. That layout role does not assign it one universal meaning.
Technical and typographic; it reads like notation in ordinary prose.
Do not take the open head alone as a sign of implication.
Don't confuse it with
3Questions 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 ⇾
⇾\21FECodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.