Definition 94.16.5. Let \mathcal{X} be an algebraic stack over S. A presentation of \mathcal{X} is given by a smooth groupoid (U, R, s, t, c) in algebraic spaces over S, and an equivalence f : [U/R] \to \mathcal{X}.
Definition 94.16.5. Let \mathcal{X} be an algebraic stack over S. A presentation of \mathcal{X} is given by a smooth groupoid (U, R, s, t, c) in algebraic spaces over S, and an equivalence f : [U/R] \to \mathcal{X}.
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