Empty Set With Overbar vs Left Black Tortoise Shell Bracket
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VS
Property Comparison
| Property | ⦱ 29B1 | ⦗ 2997 |
|---|---|---|
| Name | Empty Set With Overbar | 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 | 29B1 | 2997 |
|---|---|---|
| Unicode | U+29B1 | U+2997 |
| HTML Decimal | ⦱ | ⦗ |
| HTML Hex | ⦱ | ⦗ |
| CSS | \29B1 | \2997 |
| JavaScript | \u{29B1} | \u{2997} |
| Python | \u29b1 | \u2997 |
| UTF-8 | e2 a6 b1 | e2 a6 97 |
How to Distinguish
Both Empty Set With Overbar 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.