| Symbol Name | Double Superset |
| Unicode Version | 1.1 |
| Unicode | U+22D1 |
| Unicode block | |
| General category | Math Symbol (Sm) |
| CSS Code | \22D1 |
| Hex Code | 0x22D1 |
| HTML Code | ⋑ |
| LaTeX | \mathrm{⋑} |
| Symbol | ⋑ |
| URL encode (UTF-8 percent) | %E2%8B%91 |
| Spoken / screen reader name | Double Superset |
| UTF-8 | E2 8B 91 |
| UTF-16 | 22D1 |
| UTF-32 | 000022D1 |
1\documentclass{article}2\usepackage{pifont}3\mathrm{⋑}4\end{document}You can type the double superset symbol on most modern devices with the help of following methods:
Alt + 8913 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "double superset", or use Unicode Hex Input with 22D1.
Ctrl + Shift + U, type 22d1, then Enter (layout-dependent).
Paste from this page, use text replacement, or pick from the symbol keyboard.
Paste from this page or use a keyboard with math symbol support.
1span.double-superset::before { content: "\22D1"; }1<span>⋑</span>Double Superset symbol's representation in different programming languages can be found in the table below:
| Language | Representation |
|---|---|
| JavaScript / TypeScript | '\u22D1' or String.fromCodePoint(0x22D1) |
| Python | '\N{DOUBLE SUPERSET}' or chr(8913) |
| Rust | '\u{22D1}' |
| C / C++ | UTF-8 source or wchar_t with U+22D1 |
| Go | string(rune(0x22D1)) |
| Ruby | "\u22D1" |