U+2A4C • mathematics
Closed Union with Serifs (⩌) is a mathematical symbol representing a union operation with serifs and a closed form, used in advanced mathematical notation. The serifs and closure visually distinguish it from the standard union symbol, indicating a specialized or refined union operation. It is used in set theory and related fields.
The Symbol For Closed Union with Serifs (⩌) 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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