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AlgebraicGeometry.QuasiCompact.isCompact_preimage_singleton

Deprecated since 2026-02-05Use AlgebraicGeometry.Scheme.Hom.isCompact_preimage_singleton instead.

∀ {X Y : AlgebraicGeometry.Scheme} (f : X ⟶ Y) [AlgebraicGeometry.QuasiCompact f] (y : ↥Y), IsCompact (⇑f ⁻¹' {y})

Alias of AlgebraicGeometry.Scheme.Hom.isCompact_preimage_singleton.

Defined in
Mathlib.AlgebraicGeometry.Fiber
Cited by
0 results in Mathlib
Foundations
Depth 195 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
AlgebraicGeometry.QuasiCompact

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