Commit 2024-04-04 23:53 8e6493b6

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feat(AlgebraicGeometry/ProjectiveSpectrum/Scheme): fromSpec is a continuous function so that we have Spec A^0_f = Proj | D(f) as topological spaces (#9629)

Estimated changes

Modified Mathlib/AlgebraicGeometry/ProjectiveSpectrum/Scheme.lean

added def AlgebraicGeometry.ProjIsoSpecTopComponent.fromSpec

modified theorem AlgebraicGeometry.ProjIsoSpecTopComponent.fromSpec_toSpec

added theorem AlgebraicGeometry.ProjIsoSpecTopComponent.toSpec.image_basicOpen_eq_basicOpen

modified def AlgebraicGeometry.ProjIsoSpecTopComponent.toSpec

modified theorem AlgebraicGeometry.ProjIsoSpecTopComponent.toSpec_bijective

modified theorem AlgebraicGeometry.ProjIsoSpecTopComponent.toSpec_fromSpec

modified theorem AlgebraicGeometry.ProjIsoSpecTopComponent.toSpec_injective

added theorem AlgebraicGeometry.ProjIsoSpecTopComponent.toSpec_preimage_eq

modified theorem AlgebraicGeometry.ProjIsoSpecTopComponent.toSpec_surjective

added def AlgebraicGeometry.projIsoSpecTopComponent

Modified Mathlib/Topology/Bases.lean

added theorem isTopologicalBasis_subtype