Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2022-02-25 07:07 dae1dfe9

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feat(topology/spectral/hom): Spectral maps (#12228) Define spectral maps in three ways:

  • is_spectral_map, the unbundled predicate
  • spectral_map, the bundled type
  • spectral_map_class, the hom class The design for is_spectral_map matches continuous. The design for spectral_map and spectral_map_class follows the hom refactor.

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