-
Notifications
You must be signed in to change notification settings - Fork 962
Pull requests: leanprover-community/mathlib4
Author
Label
Projects
Milestones
Reviews
Assignee
Sort
Pull requests list
feat(Geometry/Euclidean/Angle/Oriented/Affine): Add oangle sign lemmas for two intersecting lines
t-euclidean-geometry
Affine and axiomatic geometry
#33365
opened Dec 29, 2025 by
zcyemi
Loading…
feat(Analysis/Convex/SimplicialComplex): add constructions when union is affinely independent
t-analysis
Analysis (normed *, calculus)
#33364
opened Dec 29, 2025 by
BoltonBailey
Loading…
feat: add Data (lists, quotients, numbers, etc)
empty_eq_image simp lemmas
t-data
#33363
opened Dec 28, 2025 by
BoltonBailey
Loading…
feat: weaken assumptions in Schwarz lemma
t-analysis
Analysis (normed *, calculus)
#33362
opened Dec 28, 2025 by
urkud
Loading…
feat(RingTheory/Nakayama): refine Nakayama's lemma 00DV (8)
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
t-ring-theory
Ring theory
#33361
opened Dec 28, 2025 by
sun123zxy
Loading…
feat(Algebra/Homology): functoriality of This PR depends on another PR (this label is automatically managed by a bot)
t-category-theory
Category theory
WIP
Work in progress
extMk with respect to the injective resolution
blocked-by-other-PR
#33360
opened Dec 28, 2025 by
joelriou
Loading…
2 tasks
feat(Algebra/Module/SpanRank): add comparing lemmas for span rank
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)
#33359
opened Dec 28, 2025 by
sun123zxy
Loading…
feat(Algebra/Homology): functoriality of This PR depends on another PR (this label is automatically managed by a bot)
t-category-theory
Category theory
WIP
Work in progress
ProjectiveResolution.extMk
blocked-by-other-PR
#33358
opened Dec 28, 2025 by
joelriou
Loading…
1 task
feat(Combinatorics/SimpleGraph/Connectivity): define vertex connectivity
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
t-combinatorics
Combinatorics
#33355
opened Dec 28, 2025 by
0xTerencePrime
Loading…
chore: make reverse direction of Algebra (groups, rings, fields, etc)
WIP
Work in progress
IsScalarTower.algebraMap_eq a simp lemma
t-algebra
#33353
opened Dec 28, 2025 by
ocfnash
Loading…
feat(Analysis/InnerProductSpace/Positive): < 20s of review time. See the lifecycle page for guidelines.
t-analysis
Analysis (normed *, calculus)
f.symm.IsPositive iff f.IsPositive
easy
#33352
opened Dec 28, 2025 by
themathqueen
Loading…
chore(Analysis/LocallyConvex/SeparatingDual): generalize Analysis (normed *, calculus)
Algebra.IsCentral.instContinuousLinearMap
t-analysis
#33351
opened Dec 28, 2025 by
themathqueen
Loading…
feat(Algebra/Order/AddGroupWithTop): more monotonicity/injectivity lemmas
maintainer-merge
A reviewer has approved the changed; awaiting maintainer approval.
t-algebra
Algebra (groups, rings, fields, etc)
#33349
opened Dec 28, 2025 by
vihdzp
Loading…
feat(LinearAlgebra/Transvection): characterization of transvections among dilatransvections
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
t-algebra
Algebra (groups, rings, fields, etc)
#33348
opened Dec 27, 2025 by
AntoineChambert-Loir
Loading…
1 task
feat(LinearAlgebra/Transvection/Basic): define dilatransvections
#33347
opened Dec 27, 2025 by
AntoineChambert-Loir
Loading…
doc(Algebra/Order/ArchimedeanClass): mention "commensurate" in docstring
documentation
Improvements or additions to documentation
easy
< 20s of review time. See the lifecycle page for guidelines.
t-algebra
Algebra (groups, rings, fields, etc)
t-order
Order theory
#33346
opened Dec 27, 2025 by
vihdzp
Loading…
feat: ArchimedeanClass.mk_div
maintainer-merge
A reviewer has approved the changed; awaiting maintainer approval.
t-algebra
Algebra (groups, rings, fields, etc)
#33345
opened Dec 27, 2025 by
vihdzp
Loading…
feat: Real.{ball_zero_eq_Ioo,closedBall_zero_eq_Icc}
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#33344
opened Dec 27, 2025 by
Ruben-VandeVelde
Loading…
feat: more lemmas on A reviewer has approved the changed; awaiting maintainer approval.
t-algebra
Algebra (groups, rings, fields, etc)
ArchimedeanClass.stdPart
maintainer-merge
#33343
opened Dec 27, 2025 by
vihdzp
Loading…
chore(Topology/Algebra/Module/LinearMap): deprecate duplicate lemmas
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#33341
opened Dec 27, 2025 by
themathqueen
Loading…
feat: small lemmas about LeftInverse and image/preimage
t-data
Data (lists, quotients, numbers, etc)
#33339
opened Dec 27, 2025 by
Ruben-VandeVelde
Loading…
chore(Analysis/InnerProductSpace/Projection/Submodule): rename lemmas
easy
< 20s of review time. See the lifecycle page for guidelines.
t-analysis
Analysis (normed *, calculus)
#33337
opened Dec 27, 2025 by
themathqueen
Loading…
feat(Combinatorics/SimpleGraph): more about two-reachability
t-combinatorics
Combinatorics
#33335
opened Dec 27, 2025 by
YaelDillies
Loading…
Previous Next
ProTip!
Exclude everything labeled
bug with -label:bug.