Code point
U+2280
Glyph appearance depends on your fonts.
U+2280
Sm227A 0338U+2280 DOES NOT PRECEDE 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+2280
8832
⊀
⊀
⊀
E2 8A 80
2280
00002280
%E2%8A%80
\u2280
\u2280
\u2280
\2280