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[Merged by Bors] - feat(CategoryTheory/Limits): precomposition with final functors and ColimitType#30779

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[Merged by Bors] - feat(CategoryTheory/Limits): precomposition with final functors and ColimitType#30779
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@joelriou joelriou commented Oct 22, 2025 •
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We obtain a dual result to #30403 for the interaction between final functors and colimits of functors to types. This is phrased using the universe generic Functor.ColimitType. (We also improve the proof of #30403)

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@joelriou joelriou added the t-category-theory Category theory label Oct 22, 2025
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github-actions bot commented Oct 22, 2025 •
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PR summary 2c2e85688c

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ bijective_colimitTypePrecomp
+ colimitTypePrecomp
+ colimitTypePrecomp_ιColimitType
+ constant_of_preserves_morphisms'
+ precomp

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).

joelriou
joelriou commented Oct 22, 2025
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kim-em commented Oct 29, 2025

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Oct 29, 2025
mathlib-bors bot pushed a commit that referenced this pull request Oct 29, 2025
@joelriou
feat(CategoryTheory/Limits): precomposition with final functors and C…
d54a7d0 
…olimitType (#30779)

We obtain a dual result to #30403 for the interaction between final functors and colimits of functors to types. This is phrased using the universe generic `Functor.ColimitType`. (We also improve the proof of #30403)
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mathlib-bors bot commented Oct 29, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(CategoryTheory/Limits): precomposition with final functors and ColimitType [Merged by Bors] - feat(CategoryTheory/Limits): precomposition with final functors and ColimitType Oct 29, 2025
@mathlib-bors mathlib-bors bot closed this Oct 29, 2025
BeibeiX0 pushed a commit to BeibeiX0/mathlib4 that referenced this pull request Nov 7, 2025
@joelriou @BeibeiX0
feat(CategoryTheory/Limits): precomposition with final functors and C…
8886006 
…olimitType (leanprover-community#30779)

We obtain a dual result to leanprover-community#30403 for the interaction between final functors and colimits of functors to types. This is phrased using the universe generic `Functor.ColimitType`. (We also improve the proof of leanprover-community#30403)
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@joelriou @kim-em