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[Merged by Bors] - feat(CategoryTheory): localization of trifunctors#20788

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localization-trifunctor
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[Merged by Bors] - feat(CategoryTheory): localization of trifunctors#20788
joelriou wants to merge 1 commit intomasterfrom
localization-trifunctor

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@joelriou joelriou commented Jan 16, 2025 •
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In this PR, we study the localization of functors in three variables (similarly as #19894 was the case of functors in two variables). This shall be used in #12728 in order to obtain a monoidal structure on certain localized categories.

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@joelriou joelriou added the t-category-theory Category theory label Jan 16, 2025
@joelriou joelriou mentioned this pull request Jan 16, 2025
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github-actions bot commented Jan 16, 2025

PR summary 54b3b18b07

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference
Mathlib.CategoryTheory.Localization.Trifunctor (new file) 424

Declarations diff

+ IsInvertedBy₃
+ Lifting₃
+ Lifting₃.bifunctorComp₁₂
+ Lifting₃.bifunctorComp₂₃
+ Lifting₃.iso
+ Lifting₃.uncurry
+ associator
+ associator_hom_app_app_app
+ instance : Lifting₃ L₁ L₂ L₃ W₁ W₂ W₃ F (lift₃ F hF L₁ L₂ L₃)
+ lift₃
+ lift₃NatIso
+ lift₃NatTrans
+ lift₃NatTrans_app_app_app
+ natTrans₃_ext

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).

jcommelin
jcommelin reviewed Jan 20, 2025
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Thanks 🎉

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Jan 20, 2025
mathlib-bors bot pushed a commit that referenced this pull request Jan 20, 2025
@joelriou
feat(CategoryTheory): localization of trifunctors (#20788)
b733452 
In this PR, we study the localization of functors in three variables (similarly as #19894 was the case of functors in two variables). This shall be used in #12728 in order to obtain a monoidal structure on certain localized categories.
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mathlib-bors bot commented Jan 20, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(CategoryTheory): localization of trifunctors [Merged by Bors] - feat(CategoryTheory): localization of trifunctors Jan 20, 2025
@mathlib-bors mathlib-bors bot closed this Jan 20, 2025
@mathlib-bors mathlib-bors bot deleted the localization-trifunctor branch January 20, 2025 13:22
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