U+2AD2 • mathematics
Symbol named Closed Superset or Equal To, representing a closed superset relation including equality. Used in mathematical logic or set theory to denote a superset relation that is closed and allows equality. It differs from standard superset or equal to symbols by its closed form and combined semantics.
The Symbol For Closed Superset or Equal To (⫒) is a unicode character in the Basic Multilingual Plane Plane. It is found in the Supplemental Mathematical Operators block and was approved as part of Unicode Version 3.2 in 2002
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