Lemma 76.9.9. Let $S$ be a scheme. If $X \subset X'$ and $X' \subset X''$ are thickenings of algebraic spaces over $S$, then so is $X \subset X''$.
Proof. Omitted. $\square$
Lemma 76.9.9. Let $S$ be a scheme. If $X \subset X'$ and $X' \subset X''$ are thickenings of algebraic spaces over $S$, then so is $X \subset X''$.
Proof. Omitted. $\square$
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