Definition 88.17.2. Let $\varphi : A \to B$ be a continuous ring homomorphism between adic Noetherian topological rings, i.e., $\varphi $ is an arrow of $\textit{WAdm}^{Noeth}$. We say $\varphi $ is rig-smooth if the equivalent conditions of Lemma 88.17.1 hold.
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