Example

Tag 010A, permanent. Cite it as [Bourbaki, Tag 010A].

Lie Groups and Lie Algebras, chapter VIII, § 3. Subalgebras of split semi-simple Lie algebras

The facets corresponding to the parabolic subalgebras of $(\mathfrak{g},\mathfrak{h})$ containing a Borel algebra $\mathfrak{b}$ are the facets contained in the closure of the chamber associated to $\mathfrak{b}$ (cf. the Remark above).

Bourbaki sets the proof directly after the statement, and the corpus does not separate them, so what is above is the statement and its proof together.

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