[Merged by Bors] - chore: Move universally closed characterisation of proper maps #14848
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Did you know that we need the Stone-Čech compactification to talk about sum of continuous functions? Me neither! Split `Topology.ProperMap` into * `Topology.Maps.Proper.Basic` for everything but the universally closed characterisation. * `Topology.Maps.Proper.Basic` for the universally closed characterisation. Also move `Topology.Maps` to `Topology.Maps.Basic` to match.
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PR summary f8df39044c
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| File | Base Count | Head Count | Change |
|---|---|---|---|
| Mathlib.Topology.UniformSpace.CompactConvergence | 689 | 688 | -1 (-0.15%) |
| Mathlib.Topology.Algebra.ProperConstSMul | 708 | 707 | -1 (-0.14%) |
| Mathlib.Topology.ContinuousFunction.Algebra | 1060 | 1059 | -1 (-0.09%) |
Import changes for all files
| Files | Import difference |
|---|---|
| Too many changes (340)! |
Declarations diff
No declarations were harmed in the making of this PR! 🐙
You can run this locally as follows
## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>
## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>
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Did you know that we need the Stone-Čech compactification to talk about sum of continuous functions? Me neither! Split `Topology.ProperMap` into * `Topology.Maps.Proper.Basic` for everything but the universally closed characterisation. * `Topology.Maps.Proper.UniversallyClosed` for the universally closed characterisation. Also move `Topology.Maps` to `Topology.Maps.Basic` to match.
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Did you know that we need the Stone-Čech compactification to talk about sum of continuous functions? Me neither!
Split
Topology.ProperMapintoTopology.Maps.Proper.Basicfor everything but the universally closed characterisation.Topology.Maps.Proper.UniversallyClosedfor the universally closed characterisation.Also move
Topology.MapstoTopology.Maps.Basicto match.