GlyphIndexLabeled use
n is even ⇐ n is divisible by 4
For integer n, the right-hand condition is sufficient for the left-hand result.
Left double arrow
The left double arrow ⇐ reverses the direction of implication: the statement on the right implies the one on the left.
LEFTWARDS DOUBLE ARROW
Appearance can vary by font.
Character details
♡→✦
3 code pointsMeaning and context
The left double arrow ⇐ reverses the direction of implication: the statement on the right implies the one on the left.
How to use it
Read the arrowhead carefully. A sentence written with “if” can make the implication direction clearer for readers unfamiliar with the notation.
Examples
Second context
Ready ⇐ all required checks pass
The example defines the condition that leads to the Ready state.
Similar shapes, different characters
Right double arrow
U+21D2Compare the arrowhead direction and stem before choosing the character.
DetailsLeft double arrow
U+21D0The code-point display identifies this exact character even when another font changes its appearance.
Sources and method
- Unicode 18.0.0 character database — Pinned standard character identities and properties; the application computes UTF encodings from the original text.
- Unicode character code charts — Reference glyphs are not a guarantee of the appearance in a user’s font.