GlyphIndexInclusion with equality allowed
{1, 2} ⊆ {1, 2, 3}Every left-hand element appears on the right.
Subset-or-equal sign
The subset-or-equal sign ⊆ says that every element of one set belongs to another. The two sets can be equal.
SUBSET OF OR EQUAL TO
Appearance can vary by font.
Character details
♡→✦
3 code pointsMeaning and context
The subset-or-equal sign ⊆ says that every element of one set belongs to another. The two sets can be equal.
How to use it
Keep complete set expressions on each side. To claim a strict inclusion, state that the sets differ or use your chosen proper-subset convention.
Examples
Equal sets
{a, b} ⊆ {a, b}Equality is permitted by this relation.
Similar shapes, different characters
Subset sign
U+2282Its equality convention varies by author.
DetailsLess-than-or-equal
U+2264This compares ordered values rather than set membership.
DetailsSources 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.