I don't know whether $E= N $ is a set that satisfies the conditions. When $n \to \infty$, is $E_n=N$? Then, $\lim_{n \to \infty} m(E_n) = m(E) $
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I don't know whether $E= N $ is a set that satisfies the conditions. When $n \to \infty$, is $E_n=N$? Then, $\lim_{n \to \infty} m(E_n) = m(E) $