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[Merged by Bors] - feat(Algebra/Order): add Finite(Mul)ArchimedeanClass#28394

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[Merged by Bors] - feat(Algebra/Order): add Finite(Mul)ArchimedeanClass#28394
wwylele wants to merge 14 commits intoleanprover-community:masterfrom
wwylele:wwylele-hahn-finiteclass

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@wwylele wwylele commented Aug 14, 2025

Separated from #25970. This adds a subtype of (Mul)ArchimedeanClass that is useful in formalizing Hahn embedding theorem.

The only code change since last review was doc string update for to_additive


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@github-actions github-actions bot added the t-algebra Algebra (groups, rings, fields, etc) label Aug 14, 2025
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github-actions bot commented Aug 14, 2025

PR summary 45e60eb5ad

Import changes for modified files

Dependency changes

File Base Count Head Count Change
Mathlib.Algebra.Order.Archimedean.Class 760 761 +1 (+0.13%)
Import changes for all files
Files Import difference
Mathlib.Algebra.Order.Archimedean.Class 1

Declarations diff

+ FiniteMulArchimedeanClass
+ ind
+ instance [MulArchimedean M] : Subsingleton (FiniteMulArchimedeanClass M)
+ instance [Nontrivial M] : Nonempty (FiniteMulArchimedeanClass M) := by
+ lift
+ liftOrderHom
+ liftOrderHom_mk
+ lift_mk
+ mk
+ mk_le_mk
+ mk_lt_mk
+ val_mk
+ withTopOrderIso
+ withTopOrderIso_apply_coe
+ withTopOrderIso_symm_apply
+ «forall»

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).

@wwylele wwylele requested a review from YaelDillies August 14, 2025 07:21
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Thanks for splitting!

@wwylele wwylele force-pushed the wwylele-hahn-finiteclass branch from b0014fa to 21ac1ab Compare August 14, 2025 08:13
@wwylele wwylele requested a review from YaelDillies August 14, 2025 08:46
@wwylele wwylele requested a review from YaelDillies August 14, 2025 09:39
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Thanks!

maintainer delegate

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

@ghost ghost added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Aug 14, 2025
@wwylele wwylele force-pushed the wwylele-hahn-finiteclass branch from c31ee49 to 3537a15 Compare August 14, 2025 22:48
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wwylele commented Aug 14, 2025

Small changes since YaelDillies's review on 0d83c45:

  • Addressed comment on missing space
  • Fixed a "an/a" typo in doc
  • Rebased to latest master to resolve a conflict in the imports

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Thanks!
bors d+

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mathlib-bors bot commented Aug 18, 2025

✌️ wwylele can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

@ghost ghost added delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). and removed maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. labels Aug 18, 2025
wwylele and others added 4 commits August 18, 2025 17:56
Co-authored-by: Bryan Gin-ge Chen <bryangingechen@gmail.com>
Co-authored-by: Bryan Gin-ge Chen <bryangingechen@gmail.com>
Co-authored-by: Bryan Gin-ge Chen <bryangingechen@gmail.com>
Co-authored-by: Bryan Gin-ge Chen <bryangingechen@gmail.com>
wwylele and others added 2 commits August 18, 2025 17:57
Co-authored-by: Bryan Gin-ge Chen <bryangingechen@gmail.com>
Co-authored-by: Junyan Xu <junyanxu.math@gmail.com>
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wwylele commented Aug 18, 2025

Looks like I got hit by cache issue again... let me just try merging?

bors r+

mathlib-bors bot pushed a commit that referenced this pull request Aug 18, 2025
Separated from #25970. This adds a subtype of (Mul)ArchimedeanClass that is useful in formalizing Hahn embedding theorem.

The only code change since last review was doc string update for `to_additive`
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mathlib-bors bot commented Aug 18, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(Algebra/Order): add Finite(Mul)ArchimedeanClass [Merged by Bors] - feat(Algebra/Order): add Finite(Mul)ArchimedeanClass Aug 18, 2025
@mathlib-bors mathlib-bors bot closed this Aug 18, 2025
pfaffelh pushed a commit to pfaffelh/mathlib4 that referenced this pull request Aug 20, 2025
…unity#28394)

Separated from leanprover-community#25970. This adds a subtype of (Mul)ArchimedeanClass that is useful in formalizing Hahn embedding theorem.

The only code change since last review was doc string update for `to_additive`
Paul-Lez pushed a commit to Paul-Lez/mathlib4 that referenced this pull request Aug 23, 2025
…unity#28394)

Separated from leanprover-community#25970. This adds a subtype of (Mul)ArchimedeanClass that is useful in formalizing Hahn embedding theorem.

The only code change since last review was doc string update for `to_additive`
pechersky pushed a commit to pechersky/mathlib4 that referenced this pull request Aug 25, 2025
…unity#28394)

Separated from leanprover-community#25970. This adds a subtype of (Mul)ArchimedeanClass that is useful in formalizing Hahn embedding theorem.

The only code change since last review was doc string update for `to_additive`
@wwylele wwylele deleted the wwylele-hahn-finiteclass branch September 2, 2025 01:34
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