Lemma 10.82.9. Let $R$ be a ring. A composition of universally injective $R$-module maps is universally injective.
Proof. Omitted. $\square$
Lemma 10.82.9. Let $R$ be a ring. A composition of universally injective $R$-module maps is universally injective.
Proof. Omitted. $\square$
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