∁
Translingual
Symbol
∁
- (set theory) Complement (absolute).
- If a universe U is defined, then the complement of a set A is denoted by the following equivalent notations AC, A′, Lua error in Module:parameters at line 290: Parameter "sc" should be a valid script code; the value "Latinx" is not valid. See WT:LOS.A, Lua error in Module:parameters at line 290: Parameter "sc" should be a valid script code; the value "Latinx" is not valid. See WT:LOS.UA, or U ∖ A.