The Stacks project

Lemma 88.23.3. In the situation above. If $f$ is a closed immersion, then $f_{/T}$ is a closed immersion.

Proof. (Closed immersions of formal algebraic spaces are discussed in Formal Spaces, Section 87.27.) By the same argument as in the proof of Lemma 88.23.1 this follows from Spaces, Lemma 65.12.3. $\square$

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