Corollary

Tag 0AP5, permanent. Cite it as [Bourbaki, Tag 0AP5].

Lie Groups and Lie Algebras, chapter V, § 1. Hyperplanes, chambers and facets

Let F and F' be two facets. If $\overline{F} = \overline{F}'$ , the facets F and F' are equal.

This follows from (iii).

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

Cited by

Nothing.