Empty Set With Left Arrow Above vs Left Black Tortoise Shell Bracket
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 | ⦴ 29B4 | ⦗ 2997 |
|---|---|---|
| Name | Empty Set With Left Arrow Above | Left Black Tortoise Shell Bracket |
| Category | Math Symbols | Math Symbols |
| Block | Miscellaneous Mathematical Symbols-B | Miscellaneous Mathematical Symbols-B |
| Script | Zyyy | Zyyy |
| General Category | Math Symbol (Sm) | Open Punctuation (Ps) |
| Bidirectional | ON | ON |
Encoding Comparison
| Format | 29B4 | 2997 |
|---|---|---|
| Unicode | U+29B4 | U+2997 |
| HTML Decimal | ⦴ | ⦗ |
| HTML Hex | ⦴ | ⦗ |
| CSS | \29B4 | \2997 |
| JavaScript | \u{29B4} | \u{2997} |
| Python | \u29b4 | \u2997 |
| UTF-8 | e2 a6 b4 | e2 a6 97 |
How to Distinguish
Both Empty Set With Left Arrow Above and Left Black Tortoise Shell Bracket belong to the Math Symbols category and the Miscellaneous Mathematical Symbols-B 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.