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⟜

left multimap

Left multimap

Use your editor’s Unicode picker or a language-specific escape to enter ⟜. In mathematical notation it can denote a multivalued map; BQN gives it separate binding and function-composition roles. A math-capable font may be needed to display it.

Text symbol
Search it as
multimap · multivalued map · multifunction · BQN · Unicode input · HTML entity
Shows up in
Anything that takes text · its shape is whatever your font draws

What ⟜ means

Enter its code point, U+27DC, in your editor’s Unicode input.

What does ⟜ mean?

Its reading depends on the notation around it. In left multimap notation, ⟜ belongs to a family of signs for relations that can associate one input with a set of possible outputs; this is called a multivalued map. The notation appears in control theory, economics, game theory, and convex analysis.

The BQN ⟜ operator has a separate role in BQN, an array-programming language for working with lists and grids of values: “bind” supplies a fixed value on a function’s right side, while “after” first applies one function and then passes that result to another. These are BQN rules, not a general meaning shared by every multimap notation.

Formal and technical; its reading depends on the mathematical or programming notation around it.

A font without ⟜ may show a box; right-to-left layout can mirror its appearance.

Don't confuse it with

1
⟝
Long Right Tack
The long right tack ⟝ is a separate mathematical symbol with a straight tack shape; ⟜ belongs to multimap notation, so the two are not interchangeable.

Questions people ask

1

Why 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 ⟜

Windows (Word)
Alt+XType 27DC, then Alt+X to get ⟜.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “left multimap”.
Linux
Ctrl+Shift+UType 27dc, then Enter or Space.
HTML
⟜
CSS
\27DC
Unicode input
To type ⟜, enter U+27DC through your editor’s Unicode picker or use the escape syntax supported by your language.
HTML
The HTML entity for ⟜ is `⟜`; `⟜` is its decimal form.
Codes and encoding1 code points
HTML decimal
⟜
HTML hex
⟜
CSS content
content: "\27DC";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%9F%9C
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.

Families this belongs to

1

Maths & numbers1,835 symbols

1️⃣📏📐✖️➕➖➗🟰♾️#️⃣*️⃣0️⃣