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[Merged by Bors] - feat(CategoryTheory/Functor): Leibniz adjunctions#34887

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[Merged by Bors] - feat(CategoryTheory/Functor): Leibniz adjunctions#34887
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@mckoen mckoen commented Feb 5, 2026

Formalizes the Leibniz (parameterized) adjunction F.leibnizPushout ⊣₂ G.leibnizPullback induced by a parameterized adjunction F ⊣₂ G.


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@mckoen mckoen added awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. t-category-theory Category theory labels Feb 5, 2026
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github-actions bot commented Feb 5, 2026

PR summary 0fce69f860

Import changes for modified files

Dependency changes

File Base Count Head Count Change
Mathlib.CategoryTheory.Limits.Shapes.Pullback.PullbackObjObj 578 579 +1 (+0.17%)
Import changes for all files
Files Import difference
Mathlib.CategoryTheory.Limits.Shapes.Pullback.PullbackObjObj 1

Declarations diff

+ adj
+ leibnizAdjunction

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).

@github-actions github-actions bot removed the awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. label Feb 5, 2026
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@dagurtomas dagurtomas left a comment

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Thanks!

maintainer merge

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github-actions bot commented Feb 5, 2026

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

@mathlib-triage mathlib-triage bot added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Feb 5, 2026
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joelriou commented Feb 5, 2026

Thanks!

bors merge

@mathlib-triage mathlib-triage bot added ready-to-merge This PR has been sent to bors. and removed maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. labels Feb 5, 2026
mathlib-bors bot pushed a commit that referenced this pull request Feb 5, 2026
Formalizes the Leibniz (parameterized) adjunction `F.leibnizPushout ⊣₂ G.leibnizPullback` induced by a parameterized adjunction `F ⊣₂ G`.
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mathlib-bors bot commented Feb 5, 2026

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(CategoryTheory/Functor): Leibniz adjunctions [Merged by Bors] - feat(CategoryTheory/Functor): Leibniz adjunctions Feb 5, 2026
@mathlib-bors mathlib-bors bot closed this Feb 5, 2026
michaellee94 pushed a commit to michaellee94/mathlib4 that referenced this pull request Feb 15, 2026
…ty#34887)

Formalizes the Leibniz (parameterized) adjunction `F.leibnizPushout ⊣₂ G.leibnizPullback` induced by a parameterized adjunction `F ⊣₂ G`.
rao107 pushed a commit to rao107/mathlib4 that referenced this pull request Feb 18, 2026
…ty#34887)

Formalizes the Leibniz (parameterized) adjunction `F.leibnizPushout ⊣₂ G.leibnizPullback` induced by a parameterized adjunction `F ⊣₂ G`.
Maldooor pushed a commit to Maldooor/mathlib4 that referenced this pull request Feb 25, 2026
…ty#34887)

Formalizes the Leibniz (parameterized) adjunction `F.leibnizPushout ⊣₂ G.leibnizPullback` induced by a parameterized adjunction `F ⊣₂ G`.
pfaffelh pushed a commit to pfaffelh/mathlib4 that referenced this pull request Mar 2, 2026
…ty#34887)

Formalizes the Leibniz (parameterized) adjunction `F.leibnizPushout ⊣₂ G.leibnizPullback` induced by a parameterized adjunction `F ⊣₂ G`.
@mckoen mckoen deleted the leibniz-adjunction branch March 3, 2026 00:00
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3 participants