(8) Let (X, B, µ) be a measure space. Prove the following: If {E} is a countable collection of sets in B with u(E1) < 0 and E, 2 E+1 for i 1,2,..., then E, = lim u(En).
(8) Let (X, B, µ) be a measure space. Prove the following: If {E} is a countable collection of sets in B with u(E1) < 0 and E, 2 E+1 for i 1,2,..., then E, = lim u(En).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Let (X, B, μ) be a measure space. Prove the following: If
{Ei} is a countable collection of sets in B with μ(E1) < ∞
and Ei ⊇ Ei+1 for i = 1, 2,..., then
μ
∞
i=1
Ei
= limn→∞ μ(En).
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