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Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.
Added to noetherian ring a homological chacaterization: a ring is Noetherian iff arbitrary direct sums of injective modules are injective.
Thanks! Some of that was also mentioned at injective module (corollary 1 and proposition 1).
Here in the proof, the Baer’s criterion is used, which uses AC. Is the result itself depending on AC ?
Added:
Introduced by Emmy Noether in
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