Let (X, A, µ) and (Y, B, v) be measure spaces. Prove that (a) if E E A x B then y-section of E is measurable. (b) if f : X ×Y→R is a measurable function then y-section of f is measurable.

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Let (X, A, µ) and (Y, B, v) be measure spaces. Prove that
(a) if E E A x B then y-section of E is measurable.
(b) if f : X x Y→R is a measurable function then y-section of f is measurable.
Transcribed Image Text:Let (X, A, µ) and (Y, B, v) be measure spaces. Prove that (a) if E E A x B then y-section of E is measurable. (b) if f : X x Y→R is a measurable function then y-section of f is measurable.
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