▾ Set of symbols
▾ Alphabet
▾ Deduction system
▾ Theory
▾ Zermelo-Fraenkel set theory
▾ Set
▾ Subset
▾ Power set
▾ Hyperpower set sequence
▾ Hyperpower set
▾ Hypersubset
▾ Subset algebra
▾ Subset structure
▾ Measurable space
▾ Measurable set
▾ Null measurable set
Conull set
Formulation 0
Let $M = (X, \mathcal{F}, \mu)$ be a D1158: Measure space.
A D2218: Set element $E \in \mathcal{F}$ is a conull set in $M$ if and only if \begin{equation} \mu(X \setminus E) = 0 \end{equation}