\varnothingTopic Letter-like symbolsAvailable in amsAllowed mode mathFrequency 0.05% of corpus formulasrank 159 of 474Glyph ∅Unicode U+2205 · EMPTY SETIn TeXForm#TeXForm parses this entry as a character leaf mapped to U+2205 (EMPTY SET).In Letter-like symbols61∞\infty∂\partial∇\nablaℓ\ell′\prime∀\forallℏ\hbar⊤\top∅\emptyset∃\exists♯\sharp∅\varnothingAll 61 in Letter-like symbols