View details and encodings for Unicode character U+2AD1 Closed Subset Or Equal To, located in the Supplemental Mathematical Operators block and Math Symbol category. This character was released in 2002 under Unicode version 3.2.
⫑⫑⫑U+2AD1;10961\002AD1\u2AD1\x{2AD1}\u{2AD1}u'\u2AD1'