Lemma 10.58.4. If $A \to A'$ is a homomorphism of abelian groups and if $f : n \mapsto f(n) \in A$ is a numerical polynomial, then so is the composition.
Proof. This is immediate from the definitions. $\square$
Lemma 10.58.4. If $A \to A'$ is a homomorphism of abelian groups and if $f : n \mapsto f(n) \in A$ is a numerical polynomial, then so is the composition.
Proof. This is immediate from the definitions. $\square$
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