Element Of vs Not An Element Of
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://symbolfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://symbolfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://symbolfyi.com/entity//)Use the native HTML custom element.
VS
Property Comparison
| Property | ∈ 2208 | ∉ 2209 |
|---|---|---|
| Name | Element Of | Not An Element Of |
| Category | Math Symbols | Math Symbols |
| Block | Mathematical Operators | Mathematical Operators |
| Script | Zyyy | Zyyy |
| General Category | Math Symbol (Sm) | Math Symbol (Sm) |
| Bidirectional | ON | ON |
Encoding Comparison
| Format | 2208 | 2209 |
|---|---|---|
| Unicode | U+2208 | U+2209 |
| HTML Decimal | ∈ | ∉ |
| HTML Hex | ∈ | ∉ |
| CSS | \2208 | \2209 |
| JavaScript | \u{2208} | \u{2209} |
| Python | \u2208 | \u2209 |
| UTF-8 | e2 88 88 | e2 88 89 |
How to Distinguish
Both Element Of and Not An Element Of belong to the Math Symbols category and the Mathematical Operators block. Compare their codepoints and visual rendering to distinguish them.
Tip: Paste the character into a hex editor or use
charCodeAt()
in JavaScript to check the actual codepoint.