Definition 96.6.1. Let p : \mathcal{X} \to (\mathit{Sch}/S)_{fppf} be a category fibred in groupoids. The structure sheaf of \mathcal{X} is the sheaf of rings \mathcal{O}_\mathcal {X} = p^{-1}\mathcal{O}.
Definition 96.6.1. Let p : \mathcal{X} \to (\mathit{Sch}/S)_{fppf} be a category fibred in groupoids. The structure sheaf of \mathcal{X} is the sheaf of rings \mathcal{O}_\mathcal {X} = p^{-1}\mathcal{O}.
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