⦱
⦱ EMPTY SET WITH OVERBAR
| Codepoint | U+29B1 |
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| Block | Miscellaneous Mathematical Symbols-B |
| Sub-Block | Empty sets |
| Category | Sm / Symbol, math |
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| How to type "⦱" in Windows? | hold alt type + type 29B1 release alt |
| How to type "⦱" in Linux? | hold ctrl+shift type U 29B1 release ctrl+shift |