Lemma 74.17.1. The property $\mathcal{P}(f)=$“$f$ is syntomic” is syntomic local on the source.

## 74.17 Properties of morphisms local in the syntomic topology on the source

Here are some properties of morphisms that are syntomic local on the source.

**Proof.**
Follows from Lemma 74.14.3 using Morphisms of Spaces, Definition 67.36.1 and Descent, Lemma 35.29.1.
$\square$

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