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[Merged by Bors] - feat(CategoryTheory/SmallObject): llp is stable under transfinite composition#21682

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[Merged by Bors] - feat(CategoryTheory/SmallObject): llp is stable under transfinite composition#21682
joelriou wants to merge 2 commits intomasterfrom
transfinite-compositions-le-llp-rlp

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@joelriou joelriou commented Feb 10, 2025

We deduce from previous results (#20119) that if W : MorphismProperty C, then the class W.llp of morphisms which satisfy the left lifting property with respect to W is stable under transfinite composition.


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@joelriou joelriou added the t-category-theory Category theory label Feb 10, 2025
@github-actions github-actions bot added the large-import Automatically added label for PRs with a significant increase in transitive imports label Feb 10, 2025
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github-actions bot commented Feb 10, 2025

PR summary ae28185b63

Import changes exceeding 2%

% File
+14.63% Mathlib.CategoryTheory.SmallObject.TransfiniteCompositionLifting

Import changes for modified files

Dependency changes

File Base Count Head Count Change
Mathlib.CategoryTheory.SmallObject.TransfiniteCompositionLifting 656 752 +96 (+14.63%)
Import changes for all files
Files Import difference
Mathlib.CategoryTheory.SmallObject.TransfiniteCompositionLifting 96

Declarations diff

+ isStableUnderTransfiniteCompositionOfShape_llp
+ transfiniteCompositions
+ transfiniteCompositionsOfShape_le_llp_rlp
+ transfiniteCompositionsOfShape_le_transfiniteCompositions
+ transfiniteCompositionsOfShape_monotone
+ transfiniteCompositions_iff
+ transfiniteCompositions_le_llp_rlp

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.


No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary
  • The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
  • The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

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Thanks!
bors r+

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Feb 11, 2025
mathlib-bors bot pushed a commit that referenced this pull request Feb 11, 2025
…position (#21682)

We deduce from previous results (#20119) that if `W : MorphismProperty C`, then the class `W.llp` of morphisms which satisfy the left lifting property with respect to `W` is stable under transfinite composition.
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mathlib-bors bot commented Feb 11, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(CategoryTheory/SmallObject): llp is stable under transfinite composition [Merged by Bors] - feat(CategoryTheory/SmallObject): llp is stable under transfinite composition Feb 11, 2025
@mathlib-bors mathlib-bors bot closed this Feb 11, 2025
@mathlib-bors mathlib-bors bot deleted the transfinite-compositions-le-llp-rlp branch February 11, 2025 06:21
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