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[Merged by Bors] - feat: ContinuousMulEquiv.units_map#34162

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bwangpj wants to merge 7 commits intoleanprover-community:masterfrom
bwangpj:continuousmonoidhom1
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[Merged by Bors] - feat: ContinuousMulEquiv.units_map#34162
bwangpj wants to merge 7 commits intoleanprover-community:masterfrom
bwangpj:continuousmonoidhom1

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@bwangpj bwangpj commented Jan 20, 2026

Any ContinuousMulEquiv induces a ContinuousMulEquiv on units.

From FLT.


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@github-actions github-actions Bot added the large-import Automatically added label for PRs with a significant increase in transitive imports label Jan 20, 2026
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github-actions Bot commented Jan 20, 2026

PR summary f760e25ec7

Import changes exceeding 2%

% File
+20.31% Mathlib.Topology.Algebra.Group.Units

Import changes for modified files

Dependency changes

File Base Count Head Count Change
Mathlib.Topology.Algebra.Group.Units 699 841 +142 (+20.31%)
Import changes for all files
Files Import difference
Mathlib.Topology.Algebra.Group.Units 142

Declarations diff

+ mapContinuousMulEquiv
+ symm_mapContinuousMulEquiv
+ toMulEquiv_mapContinuousMulEquiv

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 added the t-topology Topological spaces, uniform spaces, metric spaces, filters label Jan 20, 2026
Comment thread Mathlib/Topology/Algebra/Group/Units.lean Outdated
@grunweg grunweg added the FLT part of the ongoing formalization of Fermat's Last Theorem label Jan 20, 2026
bwangpj and others added 3 commits January 21, 2026 10:23
Co-authored-by: Monica Omar <23701951+themathqueen@users.noreply.github.com>
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@Ruben-VandeVelde Ruben-VandeVelde left a comment

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Thanks!

awaiting-author

Comment thread Mathlib/Topology/Algebra/Group/Units.lean Outdated
Comment thread Mathlib/Topology/Algebra/Group/Units.lean Outdated
Comment thread Mathlib/Topology/Algebra/Group/Units.lean Outdated
@jcommelin jcommelin added the awaiting-author A reviewer has asked the author a question or requested changes. label Jan 28, 2026
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bwangpj commented Jan 28, 2026

-awaiting-author

@github-actions github-actions Bot removed the awaiting-author A reviewer has asked the author a question or requested changes. label Jan 28, 2026
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Thanks 🎉

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Jan 29, 2026
mathlib-bors Bot pushed a commit that referenced this pull request Jan 29, 2026
Any `ContinuousMulEquiv` induces a `ContinuousMulEquiv` on units.

From FLT.

Co-authored-by: bwangpj <70694994+bwangpj@users.noreply.github.com>
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mathlib-bors Bot commented Jan 29, 2026

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors Bot changed the title feat: ContinuousMulEquiv.units_map [Merged by Bors] - feat: ContinuousMulEquiv.units_map Jan 29, 2026
@mathlib-bors mathlib-bors Bot closed this Jan 29, 2026
YellPika pushed a commit to YellPika/mathlib4 that referenced this pull request Feb 3, 2026
Any `ContinuousMulEquiv` induces a `ContinuousMulEquiv` on units.

From FLT.

Co-authored-by: bwangpj <70694994+bwangpj@users.noreply.github.com>
Maldooor pushed a commit to Maldooor/mathlib4 that referenced this pull request Feb 25, 2026
Any `ContinuousMulEquiv` induces a `ContinuousMulEquiv` on units.

From FLT.

Co-authored-by: bwangpj <70694994+bwangpj@users.noreply.github.com>
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FLT part of the ongoing formalization of Fermat's Last Theorem large-import Automatically added label for PRs with a significant increase in transitive imports ready-to-merge This PR has been sent to bors. t-topology Topological spaces, uniform spaces, metric spaces, filters

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5 participants