U+2209 Not An Element Of
U+2209 was added in Unicode version 1.1 in 1993. It belongs to the block Mathematical Operators in the Basic Multilingual Plane.
This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is a canonical composition of the glyphs Element Of, Combining Long Solidus Overlay. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Does Not Contain As Member. The word that U+2209 forms with similar adjacent characters prevents a line break inside it.
The CLDR project calls this character “not an element” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: an, element, not.
The Wikipedia has the following information about this codepoint:
In mathematics, an element (or member) of a set is any one of the distinct objects that belong to that set. For example, given a set called A containing the first four positive integers (), one could say that "3 is an element of A", expressed notationally as .
Representations
| System | Representation |
|---|---|
| Nº | 8713 |
| UTF-8 | E2 88 89 |
| UTF-16 | 22 09 |
| UTF-32 | 00 00 22 09 |
| URL-Quoted | %E2%88%89 |
| HTML hex reference | ∉ |
| Wrong windows-1252 Mojibake | ∉ |
| HTML named entity | ∉ |
| HTML named entity | ∉ |
| HTML named entity | ∉ |
| Encoding: EUC_JIS_2004 (hex bytes) | A2 C6 |
| Encoding: EUC_JISX0213 (hex bytes) | A2 C6 |
| Encoding: GB18030 (hex bytes) | 81 36 D2 34 |
| Encoding: ISO2022_JP_2004 (hex bytes) | 1B 24 28 51 22 46 1B 28 42 |
| Encoding: ISO2022_JP_3 (hex bytes) | 1B 24 28 4F 22 46 1B 28 42 |
| Encoding: SHIFT_JIS_2004 (hex bytes) | 81 C4 |
| Encoding: SHIFT_JISX0213 (hex bytes) | 81 C4 |
| LATEX | \not\in |
| Adobe Glyph List | notelement |
| Adobe Glyph List | notelementof |
Related Characters
Elsewhere
Complete Record
| Property | Value |
|---|---|
| 1.1 (1993) | |
| NOT AN ELEMENT OF | |
| — | |
| Mathematical Operators | |
| Math Symbol | |
| Common | |
| Other Neutral | |
| Not Reordered | |
| canonical | |
| Element Of Combining Long Solidus Overlay | |
| ✘ | |
| Not An Element Of | |
| Not An Element Of | |
| ✘ | |
| Not An Element Of | |
| Not An Element Of | |
| Not An Element Of | |
| Not An Element Of | |
| Not An Element Of | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Not An Element Of | |
| Any | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| 0 | |
| 0 | |
| 0 | |
| ✘ | |
| None | |
| — | |
| NA | |
| Other | |
| — | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| Yes | |
| No | |
| Not An Element Of | |
| Yes | |
| Not An Element Of | |
| No | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✔ | |
| Does Not Contain As Member | |
| Not An Element Of | |
| None | |
| neutral | |
| Not Applicable | |
| — | |
| No_Joining_Group | |
| Non Joining | |
| Alphabetic | |
| none | |
| not a number | |
| Not An Element Of | |
| R |