Lemma 10.107.2. The composition of two epimorphisms of rings is an epimorphism.
Proof. Omitted. Hint: This is true in any category. $\square$
Lemma 10.107.2. The composition of two epimorphisms of rings is an epimorphism.
Proof. Omitted. Hint: This is true in any category. $\square$
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