Contains as Member

Type it

Ways to write the Contains as Member symbol
UnicodeU+220B
LaTeX\ni
HTML entity∋
Character∋

Meaning

States that the set on the left has the object on the right as an element. It is ∈ written the other way round. Compare with Element Of and Not an Element Of.

How to read it

ℕ ∋ 5

is read “the natural numbers contain five as a member”.

More Set Theory symbols