[Merged by Bors] - feat(CategoryTheory/ObjectProperty): various additions

[joelriou]

This PR adds a few basic results about ObjectProperty that will be used in the formalization of spectral sequences #33842.

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[github-actions]

PR summary 23a3f86b32

Import changes for modified files

Dependency changes

File	Base Count	Head Count	Change
Mathlib.CategoryTheory.ObjectProperty.ContainsZero	414	415	+1 (+0.24%)

Import changes for all files

Files

Import difference

13 files Mathlib.Algebra.Category.Grp.IsFinite Mathlib.CategoryTheory.Abelian.SerreClass.Basic Mathlib.CategoryTheory.Abelian.SerreClass.MorphismProperty Mathlib.CategoryTheory.ObjectProperty.ContainsZero Mathlib.CategoryTheory.ObjectProperty.Orthogonal Mathlib.CategoryTheory.Triangulated.Adjunction Mathlib.CategoryTheory.Triangulated.HomologicalFunctor Mathlib.CategoryTheory.Triangulated.Opposite.Functor Mathlib.CategoryTheory.Triangulated.Opposite.OpOp Mathlib.CategoryTheory.Triangulated.Opposite.Pretriangulated Mathlib.CategoryTheory.Triangulated.Opposite.Triangulated Mathlib.CategoryTheory.Triangulated.Subcategory Mathlib.CategoryTheory.Triangulated.Yoneda

1

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Declarations diff

+ IsZero.of_full_of_faithful_of_isZero
+ homMk_surjective
+ instance (P : ObjectProperty Cᵒᵖ) [P.ContainsZero] : P.unop.ContainsZero
+ instance (a : A) [P.IsStableUnderShiftBy a]
+ instance [P.ContainsZero] : HasZeroObject P.FullSubcategory
+ instance [P.ContainsZero] : P.op.ContainsZero
+ instance [P.ContainsZero] [P.IsClosedUnderIsomorphisms] [Q.ContainsZero] :
+ instance [P.IsStableUnderShift A]
+ prop_ι_obj

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.

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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]

Thanks @chrisflav for the reviews!

[chrisflav]

Thanks!
maintainer merge

[github-actions]

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

[jcommelin]

Thanks 🎉

bors merge

[mathlib-bors]

Pull request successfully merged into master.

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