! Let ECR. Show that E is Lebesgue measurable if and only if there exists a sequence of open sets (Un)-1 such that E C Un for all n and |(~²) x6 = 0. Un E n=1

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2.
Let ECR. Show that E is Lebesgue measurable if and only
if there exists a sequence of open sets (Un)‰=1 such that E ≤ Un for all
n and
|(1₁) 12-0
Un E
= 0.
Transcribed Image Text:2. Let ECR. Show that E is Lebesgue measurable if and only if there exists a sequence of open sets (Un)‰=1 such that E ≤ Un for all n and |(1₁) 12-0 Un E = 0.
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