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[Merged by Bors] - feat(CategoryTheory/Action): ConcreteCategory instances for Action#21462

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ConcreteCategory-Action
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[Merged by Bors] - feat(CategoryTheory/Action): ConcreteCategory instances for Action#21462
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ConcreteCategory-Action

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Alongside the existing HasForget instances, allow deriving ConcreteCategory (Action V G) if V is a concrete category.


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Alongside the existing `HasForget` instances, allow deriving `ConcreteCategory (Action V G)` if `V` is a concrete category.
@Vierkantor Vierkantor 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, 2025
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github-actions bot commented Feb 5, 2025

PR summary 7e8d689744

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ HomSubtype
++++ instance {FV : V → V → Type*} {CV : V → Type*} [∀ X Y, FunLike (FV X Y) (CV X) (CV Y)]

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, 2025
Vierkantor added a commit that referenced this pull request Feb 5, 2025
…ject`

Closely following the procedure of #21462 to promote the `HasForget` instance into a `ConcreteCategory` instance.
mathlib-bors bot pushed a commit that referenced this pull request Feb 5, 2025
…ject` (#21464)

Closely following the procedure of #21462 to promote the `HasForget` instance into a `ConcreteCategory` instance.
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joelriou commented Feb 5, 2025

Thanks!

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Feb 5, 2025
mathlib-bors bot pushed a commit that referenced this pull request Feb 5, 2025
#21462)

Alongside the existing `HasForget` instances, allow deriving `ConcreteCategory (Action V G)` if `V` is a concrete category.
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mathlib-bors bot commented Feb 5, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(CategoryTheory/Action): ConcreteCategory instances for Action [Merged by Bors] - feat(CategoryTheory/Action): ConcreteCategory instances for Action Feb 5, 2025
@mathlib-bors mathlib-bors bot closed this Feb 5, 2025
@mathlib-bors mathlib-bors bot deleted the ConcreteCategory-Action branch February 5, 2025 23:58
Julian added a commit that referenced this pull request Feb 7, 2025
* origin/master:
  chore: update Mathlib dependencies 2025-02-06 (#21523)
  fix(MathlibTest/TransImports): stop inspecting the `Lean` package (#21492)
  style(Mathlib/Computability/Halting): `RePred` to `REPred` (#21216)
  feat(Data/Set/Card): add `ncard_le_encard` (#21467)
  feat(Order): lemmas for `Order.succ` and `Order.pred` in `Fin` (#21437)
  feat(LinearAlgebra/LinearIndependent): linear independence + subsingletons (#21511)
  feat: for continuous linear maps in a normed ring, `flip mul = mul` (#21507)
  chore(GroupTheory/Commutator): don't import `Ring` (#21296)
  chore(Data/Complex/Abs): add `protected` to results that already exists in root namespace (#21454)
  chore(*): `erw`s that can now become `rw`s (#21510)
  chore: allow create-adaptation-pr.sh to continue when bump branch already exists (#21486)
  feat(CategoryTheory): equivalence between `Ind C` and left exact functors from `C` to `Type` (#21430)
  chore: add test to TCSynth.lean (#21499)
  feat: the category of ind-objects satisfies the AB5 axiom (#21350)
  refactor(RepresentationTheory): `ConcreteCategory` instances for `Rep` (#21465)
  chore: split Mathlib.Order.Filter.Basic (#21403)
  chore: update Mathlib dependencies 2025-02-06 (#21487)
  chore(Cache): Add support for $MATHLIB_CACHE_DIR (#21480)
  feat(CategoryTheory): a closed monoidal category is an ordinary enriched category over itself (#21436)
  feat(AlgebraicTopology): notation X ^[n] for cosimplicial objects (#21485)
  chore: upgrade dependencies manually (#21484)
  refactor(Analysis/Normed): `ConcreteCategory` refactor for `SemiNormedGrp` (#21477)
  refactor(LinearAlgebra): `ConcreteCategory` instance for `QuadraticModuleCat` (#21471)
  refactor(MeasureTheory): `ConcreteCategory` instance for `MeasCat` (#21468)
  refactor(Topology/Category): clean up remaining uses of `HasForget` (#21458)
  refactor(CategoryTheory): `ConcreteCategory` instances for pointed types (#21470)
  feat(CategoryTheory/Action): `ConcreteCategory` instances for `Action` (#21462)
  feat(CategoryTheory): `ConcreteCategory` instance for `DifferentialObject` (#21464)
  feat(Analysis/Normed/Group/SeparationQuotient): add normed lifts and `mk` (#18178)
  chore: rename `encard_le_card` to `encard_le_encard` (#21426)
  feat: add theorem about the norm of cross products (#20920)
  feat(Data/Matroid/Circuit): circuit elimination and finitary matroids (#21172)
  feat(LinearAlgebra/ExteriorPower): add iMulti_family definition for product of a family of vectors (#21397)
pfaffelh pushed a commit that referenced this pull request Feb 7, 2025
…ject` (#21464)

Closely following the procedure of #21462 to promote the `HasForget` instance into a `ConcreteCategory` instance.
pfaffelh pushed a commit that referenced this pull request Feb 7, 2025
#21462)

Alongside the existing `HasForget` instances, allow deriving `ConcreteCategory (Action V G)` if `V` is a concrete category.
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