Bourbaki

Remark

Tag 073V, permanent. Cite it as [Bourbaki, Tag 073V].

Algebra, VII, p. 19, § 4. Finitely generated modules over a principal ideal domain

It can happen that a submodule MM of infinite rank in a free module LL can be such that L/ML/M is torsion free, but MM has no complement in LL (VII, p. 60, Ex. 6, b)).

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

Cited by

Nothing.

Cites

Transcribed from the printed edition, 2003, Springer. Not translated.