Every Lebesgue measurable set differs from an $F_\sigma$ set by a null set.Suggest a slogan
Let \(E\subseteq\RR^n\) be Lebesgue measurable. Then \(E = H \cup N\) with \(H\cap N=\emptyset\), where \(H\) is an $F_\sigma$ set and \(N\) has Lebesgue measure \(0\).