U+2AD0 • mathematics
Symbol named Closed Superset, representing a superset relation with a closed or filled style. Used in set theory or logic to indicate a superset relation with additional properties or emphasis conveyed by the closed form. It is distinct from the standard superset symbol by its closed appearance.
The Symbol For Closed Superset (⫐) 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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