Lemma 34.8.6. Let f : Y \to X be a surjective proper morphism of schemes. Then \{ Y \to X\} is a ph covering.
Proof. Omitted. \square
Lemma 34.8.6. Let f : Y \to X be a surjective proper morphism of schemes. Then \{ Y \to X\} is a ph covering.
Proof. Omitted. \square
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