Remark 5

Tag 0DY8, permanent. Cite it as [Bourbaki, Tag 0DY8].

We leave it to the reader to state and prove the propositions analogous to Props. 3 and 4 and concerning the homomorphisms $\psi_1$ and $\varphi_1$ .

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

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