Bourbaki

Corollary 1

Tag 08LU, permanent. Cite it as [Bourbaki, Tag 08LU].

Integration, chapter III, § 1. Measures on a locally compact space

— If μ\mu and ν\nu are two positive measures on XX such that μ≤ν\mu \leq \nu, then ∥μ∥≤∥ν∥\| \mu \| \leq \| \nu \|; in particular, if ν\nu is bounded then so is μ\mu. Indeed, ∥ν∥=∥μ∥+∥ν−μ∥\| \nu \| = \| \mu \| + \| \nu - \mu \|.

Bourbaki puts the proof directly after the statement, so what is above is the statement and its proof together.

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Cites

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Transcribed from the printed volume. Not translated.