GlyphIndexShared element
{1, 2} ∩ {2, 3} = {2}Only 2 belongs to both sets.
Intersection sign
The intersection sign ∩ selects the elements that two sets have in common. It differs from union, which includes elements from either set.
INTERSECTION
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Character details
♡→✦
3 code pointsMeaning and context
The intersection sign ∩ selects the elements that two sets have in common. It differs from union, which includes elements from either set.
How to use it
Use braces or defined set names around the operands. If there are no common elements, write the empty set rather than a numeric zero.
Examples
No overlap
{a} ∩ {b} = ∅The intersection is an empty set.
Similar shapes, different characters
Union
U+222AUnion includes elements from either set.
DetailsLogical and
U+2227The logical connective can express a related idea but is a different operator.
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.