View details and encodings for Unicode character U+29B4 Empty Set With Left Arrow Above, located in the Miscellaneous Mathematical Symbols-B block and Math Symbol category. This character was released in 2002 under Unicode version 3.2.
⦴⦴⦴U+29B4;10676\0029B4\u29B4\x{29B4}\u{29B4}u'\u29B4'