U+2918 "⤘" Rightwards Two-Headed Arrow with Tail with Double Vertical Stroke Unicode Character

U+2918 "⤘" Rightwards Two-Headed Arrow with Tail with Double Vertical Stroke is a typographic symbol belonging to the Supplemental Arrows-B block, used primarily in mathematical notation and formal logic to indicate a specific kind of bidirectional or conditional relation. Its design features an arrow pointing to the right with two heads, a short tail extending from the left, and two parallel vertical lines intersecting the shaft, conveying a sense of restriction or doubled assertion. This character is often employed to represent a logical connective or a mapping that implies a unique or determined outcome in both directions, making it useful in advanced algebra, set theory, or computer science contexts where precise arrow semantics are required.

General Properties

Code Point	U+2918
Version Added	3.2
Name	Rightwards Two-Headed Arrow with Tail with Double Vertical Stroke
Block	Supplemental Arrows-B
General Category	Math Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral

Encodings

HTML Decimal Encoding	⤘
HTML Hex Encoding	⤘
UTF-8 Encoding	0xE2 0xA4 0x98
UTF-16 Encoding	0x2918
UTF-32 Encoding	0x00002918
C/C++/Java Escape	\u2918

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Pattern Syntax	Yes
Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other