Code point
U+2283
Glyph appearance depends on your fonts.
U+2283
SmU+2283 SUPERSET OF is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2283
8835
⊃
⊃
⊃
E2 8A 83
2283
00002283
%E2%8A%83
\u2283
\u2283
\u2283
\2283