How to type Contains as Member
To type Contains as Member (∋), press Alt + 8715 on Windows, holding Alt while typing the digits on the numeric keypad, or write ∋ in HTML. On any system you can copy it from this page, or enter its codepoint U+220B directly: Ctrl+Shift+U then 220b on Linux, or 220b then Alt+X in Microsoft Word.
Contains As Member
- Copy it
- Unicode
- U+220B
- Windows
- Alt + 8715 needs regedit
| Where | Shortcut | How |
|---|---|---|
| Windows | Alt + 8715 | Above 255, so Windows will not accept it as typed. Copy the character instead. |
| Mac | N/A | Press the keys together. |
| HTML | ∋ | Paste this into HTML source. |
| Unicode | U+220B | CONTAINS AS MEMBER |
Symbols related to Contains as Member
These are filed under contains and element in CLDR, the keyword list Unicode publishes alongside the names.
Other math symbols
∋ lives in the Mathematical Operators block (U+2200-U+22FF), the core set of mathematical and logical operators. Within Unicode it is classified as Sm, a mathematical symbol. Software may lay it out with the spacing an operator expects.
What Contains as Member is used for
In mathematical notation ∋ is a relation: it makes a claim about the two things either side of it, which is true or false rather than a value to work out. TeX gives a relation more space than an operator, and breaks a long line at one in preference to breaking at an operator. That is the classification unicode-math gives it, and it is what decides how the symbol is set: $\ni$ in LaTeX, in maths mode rather than in a sentence.
Unicode publishes a second list of names for ∋ in CLDR, the keywords its own search data offers rather than the formal name, and it is element. That word is what somebody looking for this character is liable to type when Contains as Member is not the name they know it by, and the search on the symbol lists matches it as well as the Unicode name.
What Unicode says about Contains as Member
The standard recognises ∋ under another name as well: such that. That is a formal alias, not a nickname, which is why it turns up in other people's documentation for the same codepoint.
How Contains as Member behaves in software
∋ is East Asian Ambiguous: one column in a Western locale and two in a CJK one. That is why a table that lines up on your machine can break on somebody else's, with no change to the text at all. It carries no direction of its own, so in a line that mixes English with Arabic or Hebrew it takes the direction of the text around it rather than forcing one. It is a mirrored character: in right-to-left text it is drawn reversed, so it keeps pointing at what it pointed at.
Every way to write Contains as Member
| Form | Value |
|---|---|
| Codepoint | U+220B |
| Decimal | 8715 |
| UTF-8 bytes | E2 88 8B |
| UTF-16 bytes | 22 0B |
| HTML entity | ∋ |
| HTML numeric | ∋ or ∋ |
| CSS | \220B |
| JavaScript | \u220B |
| Python | \u220B |
| URL-encoded | %E2%88%8B |
| LaTeX, in maths mode | $\ni$ |
| SVG | 220B.svg · (SIL Open Font License) |
If ∋ arrives as ∋
Its three UTF-8 bytes E2 88 8B are being read one at a time as Windows-1252. The text is undamaged; the reader has to be told it is UTF-8.