Let ([0, 1], L, m) be a Lebesgue measure space, and let A be a nonempty measurable subset of [0, 1]. Let {E} [0, 1] be a countable disjoint collection of Lebesgue measurable sets. a. Show that m(AnŨEx) = Σm(An Ek). k=1 k=1

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Let ([0, 1], L, m) be a Lebesgue measure space, and let A be a nonempty measurable
subset of [0, 1]. Let {E} [0, 1] be a countable disjoint collection of Lebesgue
measurable sets.
a. Show that
m (AnŨE₂) = Σm(ANE).
k=1
k=1
b. Let ƒ : [0, 1] → (0, 1] be a measurable function. Show that for every € > 0,
Ne
there is a natural number N₁ and a set C such that m(C₂) < € and №²+1 < f(x) ≤ / /
for all x € Ce.
Transcribed Image Text:Let ([0, 1], L, m) be a Lebesgue measure space, and let A be a nonempty measurable subset of [0, 1]. Let {E} [0, 1] be a countable disjoint collection of Lebesgue measurable sets. a. Show that m (AnŨE₂) = Σm(ANE). k=1 k=1 b. Let ƒ : [0, 1] → (0, 1] be a measurable function. Show that for every € > 0, Ne there is a natural number N₁ and a set C such that m(C₂) < € and №²+1 < f(x) ≤ / / for all x € Ce.
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