| Symbolname | Empty Set |
| Unicode-Version | 1.1 |
| Unicode | U+2205 |
| Unicode-Block | |
| Allgemeine Kategorie | Math Symbol (Sm) |
| CSS-Code | \2205 |
| Hexadezimalcode | 0x2205 |
| HTML-Code | ∅ |
| LaTeX | \emptyset |
| Symbol | ∅ |
| URL-Kodierung (UTF-8-Prozent) | %E2%88%85 |
| Ansagename (Screenreader) | Empty Set |
| UTF-8 | E2 88 85 |
| UTF-16 | 2205 |
| UTF-32 | 00002205 |
1\documentclass{article}2\usepackage{pifont}3\emptyset 4\end{document}Sie können das Symbol empty set auf den meisten modernen Geräten mit den folgenden Methoden eingeben:
Alt + 8709 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "empty set", or use Unicode Hex Input with 2205.
Ctrl + Shift + U, type 2205, 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.empty-set::before { content: "\2205"; }1<span>∅</span>Die Darstellung des Symbols Empty Set in verschiedenen Programmiersprachen finden Sie in der folgenden Tabelle:
| Sprache | Darstellung |
|---|---|
| JavaScript / TypeScript | '\u2205' or String.fromCodePoint(0x2205) |
| Python | '\N{EMPTY SET}' or chr(8709) |
| Rust | '\u{2205}' |
| C / C++ | UTF-8 source or wchar_t with U+2205 |
| Go | string(rune(0x2205)) |
| Ruby | "\u2205" |