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[Merged by Bors] - feat(Topology/KrullDimension): add invariance under homeomorphism theorem and auxiliary lemmas #17175

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@Raph-DG Raph-DG commented Sep 26, 2024

Added some lemmas about the topological Krull dimension


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@github-actions github-actions bot added the new-contributor This PR was made by a contributor with fewer than 5 merged PRs. Welcome to the community! label Sep 26, 2024
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github-actions bot commented Sep 26, 2024

PR summary 60ac3c0c39

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ ClosedEmbedding.topologicalKrullDim_le
+ Injective.image_strictMono
+ IrreducibleCloseds.map
+ IrreducibleCloseds.map_strictMono
+ IsHomeomorph.topologicalKrullDim_eq

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>

The doc-module for script/declarations_diff.sh contains some details about this script.

@joneugster joneugster added the t-topology Topological spaces, uniform spaces, metric spaces, filters label Sep 27, 2024
@joneugster joneugster changed the title Added some lemmas about the topological Krull dimension (main result being Krull dimension invariant under homeomorphisms) feat(Topology/KrullDimension): add invariance under homeomorphism theorem and auxiliary lemmas Sep 27, 2024
@leanprover-community-bot-assistant leanprover-community-bot-assistant added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Sep 28, 2024
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maintainer merge

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🚀 Pull request has been placed on the maintainer queue by jcommelin.

@leanprover-community-bot-assistant leanprover-community-bot-assistant removed the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Sep 30, 2024
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@riccardobrasca riccardobrasca left a comment

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Thanks!

bors d+

@@ -1090,6 +1090,10 @@ theorem Injective.image_injective (hf : Injective f) : Injective (image f) := by
intro s t h
rw [← preimage_image_eq s hf, ← preimage_image_eq t hf, h]

lemma Injective.image_strictMono {X Y : Type*}
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I guess there is an f already in scope here.

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mathlib-bors bot commented Sep 30, 2024

✌️ Raph-DG can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

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Raph-DG commented Oct 1, 2024

Thanks for the reviews!

bors r+

mathlib-bors bot pushed a commit that referenced this pull request Oct 1, 2024
…orem and auxiliary lemmas (#17175)

Added some lemmas about the topological Krull dimension
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mathlib-bors bot commented Oct 1, 2024

Pull request successfully merged into master.

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@mathlib-bors mathlib-bors bot changed the title feat(Topology/KrullDimension): add invariance under homeomorphism theorem and auxiliary lemmas [Merged by Bors] - feat(Topology/KrullDimension): add invariance under homeomorphism theorem and auxiliary lemmas Oct 1, 2024
@mathlib-bors mathlib-bors bot closed this Oct 1, 2024
@mathlib-bors mathlib-bors bot deleted the Raph-DG-TopologicalKrull branch October 1, 2024 18:06
fbarroero pushed a commit that referenced this pull request Oct 2, 2024
…orem and auxiliary lemmas (#17175)

Added some lemmas about the topological Krull dimension
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6 participants