Corollary 2
Tag 08W2, permanent. Cite it as [Bourbaki, Tag 08W2].
Integration, IV, p. 79, § 5. Measurable functions and sets
Let be a compact subspace of ; in order that a mapping of into a topological space be -measurable, it is necessary and sufficient that it be -measurable.
In view of Lemma 2 of No. 7, this follows at once from Prop. 1 of No. 1 and condition a) of Prop. 15.
Bourbaki puts the proof directly after the statement, so what is above is the statement and its proof together.
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Nothing.