-
Notifications
You must be signed in to change notification settings - Fork 1.6k
Pull requests: leanprover-community/mathlib4
Author
Label
Projects
Milestones
Reviews
Assignee
Sort
Pull requests list
chore(Analysis/InnerProductSpace): fix Analysis (normed *, calculus)
eigenvalue_pos_of_pos
t-analysis
#42929
opened Aug 19, 2026 by
mcdoll
Member
Loading…
feat(RingTheory/Ideal/Maps): add lemma < 20s of review time. See the lifecycle page for guidelines.
t-ring-theory
Ring theory
Ideal.map_eq_image_of_surjective
easy
#42928
opened Aug 19, 2026 by
NoahW314
Contributor
Loading…
feat(Algebra/Group): prod and pi instances for < 20s of review time. See the lifecycle page for guidelines.
t-algebra
Algebra (groups, rings, fields, etc)
IsDedekindFinite
easy
#42927
opened Aug 19, 2026 by
NoahW314
Contributor
Loading…
feat(Algebra/Order): add
MulLeftMono implies IsDedekindFinite instance
#42926
opened Aug 19, 2026 by
NoahW314
Contributor
Loading…
refactor(SetTheory/Ordinal): redefine Ordinal.ToType as Shrink (Iio o)
tech debt
Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#42925
opened Aug 19, 2026 by
dennj
Contributor
Loading…
chore(MeasureTheory): generalize hypotheses to Measure theory / Probability theory
NullMeasurableSet
t-measure-probability
#42924
opened Aug 19, 2026 by
D-Thomine
Collaborator
Loading…
feat(FieldTheory/KummerExtension): criterion for This PR depends on another PR (this label is automatically managed by a bot)
t-algebra
Algebra (groups, rings, fields, etc)
t-ring-theory
Ring theory
X ^ n - C a to be irreducible for even n
blocked-by-other-PR
#42923
opened Aug 18, 2026 by
plp127
Contributor
Loading…
2 tasks
chore: move a few test files about tactics into < 20s of review time. See the lifecycle page for guidelines.
file-removed
A Lean module was (re)moved without a `deprecated_module` annotation
MathlibTest/Tactic
easy
#42922
opened Aug 18, 2026 by
joneugster
Contributor
Loading…
4 tasks done
chore(RingTheory/RamificationInertia/Ramification): reorganize proofs
t-algebra
Algebra (groups, rings, fields, etc)
t-ring-theory
Ring theory
#42921
opened Aug 18, 2026 by
tb65536
Contributor
Loading…
feat(Topology/Algebra/LinearMapCompletion): Topological spaces, uniform spaces, metric spaces, filters
f.extend toComplL = f.fromCompletion
t-topology
#42920
opened Aug 18, 2026 by
themathqueen
Collaborator
Loading…
feat(NumberTheory/RamificationInertia/Unramified): generalize Algebra (groups, rings, fields, etc)
t-ring-theory
Ring theory
IsUnramifiedAt.of_liesOver to flat algebras
t-algebra
#42919
opened Aug 18, 2026 by
tb65536
Contributor
Loading…
chore: fix minor spacing issues
awaiting-zulip
There is a Zulip discussion; the author should await and report/implement the decision reached there
easy
< 20s of review time. See the lifecycle page for guidelines.
#42918
opened Aug 18, 2026 by
felixpernegger
Contributor
Loading…
refactor(CategoryTheory/Limits/Shapes): split up BinaryProducts.lean
tech debt
Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#42917
opened Aug 18, 2026 by
loefflerd
Contributor
Loading…
feat(Analysis/Numerical): add (real-valued) bisection method
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
t-analysis
Analysis (normed *, calculus)
#42916
opened Aug 18, 2026 by
0x00b1
Loading…
feat(SheafOfModules): Algebra (groups, rings, fields, etc)
LocallyFreeOfRank
t-algebra
#42915
opened Aug 18, 2026 by
Brian-Nugent
Collaborator
•
Draft
feat(Algebra): add zpow_right_injective
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
t-algebra
Algebra (groups, rings, fields, etc)
#42914
opened Aug 18, 2026 by
lman310
Loading…
doc(AlgebraicGeometry): fix docstring about finite presentation
t-algebraic-geometry
Algebraic geometry
#42913
opened Aug 18, 2026 by
alreadydone
Contributor
Loading…
feat(Topology/GDelta): a completely metrizable subspace of a metrizable space is Gδ
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#42912
opened Aug 18, 2026 by
justin-palumbo
Loading…
1 task
feat(NumberTheory): the Gelfond-Schneider theorem (Hilbert's seventh problem)
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
t-number-theory
Number theory (also use t-algebra or t-analysis to specialize)
#42911
opened Aug 18, 2026 by
mkaratarakis
Contributor
Loading…
1 task
refactor(Probability/Distributions/Uniform): change uniformOfFinset and ofMultiset from PMF to Measure
t-measure-probability
Measure theory / Probability theory
#42909
opened Aug 18, 2026 by
EtienneC30
Member
Loading…
feat: add Measure.bind_comm
t-measure-probability
Measure theory / Probability theory
#42908
opened Aug 18, 2026 by
EtienneC30
Member
Loading…
fix(autolabel): auto-label PRs touching bors.toml as CI
CI
Modifies the continuous integration setup or other automation
easy
< 20s of review time. See the lifecycle page for guidelines.
#42904
opened Aug 18, 2026 by
grunweg
Contributor
Loading…
doc: remove suggestion of self-introduction from new contributor welcome comment
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
CI
Modifies the continuous integration setup or other automation
RFC
Request for comment
#42901
opened Aug 18, 2026 by
grunweg
Contributor
Loading…
1 task
fix: outdated link in new contributor welcome comment
CI
Modifies the continuous integration setup or other automation
easy
< 20s of review time. See the lifecycle page for guidelines.
#42900
opened Aug 18, 2026 by
grunweg
Contributor
Loading…
feat: implement DLMF attribute
t-meta
Tactics, attributes or user commands
#42899
opened Aug 18, 2026 by
luigi-massacci
Collaborator
Loading…
Previous Next
ProTip!
Filter pull requests by the default branch with base:master.