Bourbaki

Corollary

Tag 009K, permanent. Cite it as [Bourbaki, Tag 009K].

Algebra, VIII, p. 143, § 8. Semisimple Rings

Let B be a ring. The following properties are equivalent:

(i) The ring B is simple.

(ii) The ring B is semisimple, and its center is a field.

(iii) The ring B is semisimple, and there exists only one class of B-simple modules.

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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Transcribed from the printed edition, 2023, Springer Nature. Not translated.