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⥽

right fish tail

Right Fish Tail

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⥽ is a math arrow for a relation; the surrounding notation sets its meaning. Logic gives it one specific use, but it is not a universal “therefore” sign.

Text symbol

What ⥽ means

It marks a relation defined by the surrounding notation.

A 2002 Unicode math report lists rfisht in ISOAMS, a named set of mathematical symbols.

Does it always mean the same thing?

No; each notation sets its meaning.

Some logic references use it for strict implication; others define another relation.

Academic notation; in casual messages, it reads as technical.

Alone, it does not reliably mean “therefore.”

Don't confuse it with

1

Questions people ask

1

Why can the shape vary across fonts?

Fonts draw its tail and proportions differently; support varies.

How to type or find ⥽

Also called
fish tail · right fishtail · rfisht
Search it as
strict implication · fishtail arrow · LaTeX rightfishtail · HTML rfisht
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 297D, then AltX 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 “right fish tail”.
Linux
⎈Ctrl+⇧Shift+UType 297d, then Enter or Space.
HTML
⥽
CSS
\297D
LaTeX
Use \rightfishtail if your math package defines it.
HTML
Use ⥽ or ⥽.
Codes and encoding1 code points
HTML decimal
⥽
HTML hex
⥽
CSS content
content: "\297D";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%A5%BD
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