Lemma 31.15.6. Let $X$ be a locally Noetherian normal scheme. Let $D \subset X$ be an effective Cartier divisor. Then $D$ is $(S_1)$.

Proof. By Properties, Lemma 28.12.5 we see that $X$ is $(S_2)$. Thus we conclude by Lemma 31.15.5. $\square$

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