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Pull requests: leanprover-community/mathlib4
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feat(RingTheory/RamificationInertia/Ramification): relate This PR does not pass CI yet. This label is automatically removed once it does.
large-import
Automatically added label for PRs with a significant increase in transitive imports
t-algebra
Algebra (groups, rings, fields, etc)
t-ring-theory
Ring theory
ramificationIdx' to Algebra.IsUnramifiedAt
awaiting-CI
#39074
opened May 8, 2026 by
tb65536
Contributor
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feat(RingTheory/RamificationInertia/Inertia): add This PR does not pass CI yet. This label is automatically removed once it does.
t-algebra
Algebra (groups, rings, fields, etc)
t-ring-theory
Ring theory
inertiaDeg'_pos
awaiting-CI
#39073
opened May 8, 2026 by
tb65536
Contributor
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feat(RingTheory/Unramified/Locus): add This PR does not pass CI yet. This label is automatically removed once it does.
t-algebra
Algebra (groups, rings, fields, etc)
t-ring-theory
Ring theory
iff lemma relating Unramified to IsUnramifiedAt
awaiting-CI
#39072
opened May 8, 2026 by
tb65536
Contributor
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feat(Topology): add
PartialHomeomorph as generalization of OpenPartialHomeomorph
#39071
opened May 8, 2026 by
scholzhannah
Collaborator
•
Draft
chore(RingTheory/Ideal/GoingUp): weaken This PR does not pass CI yet. This label is automatically removed once it does.
t-algebra
Algebra (groups, rings, fields, etc)
t-ring-theory
Ring theory
IsIntegralClosure to Algebra.IsIntegral
awaiting-CI
#39070
opened May 8, 2026 by
tb65536
Contributor
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Review 37924 instance whnf
t-meta
Tactics, attributes or user commands
#39069
opened May 8, 2026 by
joneugster
Contributor
•
Draft
feat(Algebra/Module): define modules admitting finite free resolutions
t-algebra
Algebra (groups, rings, fields, etc)
#39067
opened May 8, 2026 by
mbkybky
Collaborator
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feat(Analysis): Analysis (normed *, calculus)
LinearMap.id is unitary
t-analysis
#39066
opened May 8, 2026 by
YaelDillies
Contributor
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feat(Analysis): the trivial inner product space
t-analysis
Analysis (normed *, calculus)
#39065
opened May 8, 2026 by
YaelDillies
Contributor
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feat: make showLinter detect tactics that assign metavariables
t-linter
Linter
#39064
opened May 8, 2026 by
kim-em
Contributor
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feat(Topology/Algebra/Module/LocallyConvex): a very nice basis of locally convex spaces
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#39063
opened May 8, 2026 by
khwilson
Contributor
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feat(Algebra/Order/SuccPred): generalize
CanonicallyOrderedAdd to IsBotZeroClass
#39062
opened May 8, 2026 by
vihdzp
Collaborator
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feat(Combinatorics/SimpleGraph/Walk/Paths): a trail which isn't a path has a cycle subwalk
t-combinatorics
Combinatorics
#39061
opened May 8, 2026 by
SnirBroshi
Collaborator
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feat: generalize This PR depends on another PR (this label is automatically managed by a bot)
large-import
Automatically added label for PRs with a significant increase in transitive imports
t-algebra
Algebra (groups, rings, fields, etc)
t-order
Order theory
Finsupp theorems from CanonicallyOrderedAdd to IsBotZeroClass
blocked-by-other-PR
#39060
opened May 8, 2026 by
vihdzp
Collaborator
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1 task
feat: Algebra (groups, rings, fields, etc)
IsBotOneClass (Associates M)
t-algebra
#39059
opened May 7, 2026 by
vihdzp
Collaborator
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chore: deprecate Automatically added label for PRs with a significant increase in transitive imports
t-order
Order theory
Fin.bot_eq_zero
large-import
#39058
opened May 7, 2026 by
vihdzp
Collaborator
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feat: Automatically added label for PRs with a significant increase in transitive imports
t-order
Order theory
min and max theorems for IsBotZeroClass
large-import
#39057
opened May 7, 2026 by
vihdzp
Collaborator
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feat: Data (lists, quotients, numbers, etc)
IsBotOneClass ℕ+
t-data
#39056
opened May 7, 2026 by
vihdzp
Collaborator
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chore: deprecate Order theory
not_lt_zero' and bot_eq_zero''
t-order
#39055
opened May 7, 2026 by
vihdzp
Collaborator
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feat(Combinatorics/GraphLike): This PR depends on another PR (this label is automatically managed by a bot)
t-combinatorics
Combinatorics
SimpleGraph is GraphLike
blocked-by-other-PR
#39054
opened May 7, 2026 by
Jun2M
Collaborator
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3 tasks
feat(Combinatorics/GraphLike): This PR depends on another PR (this label is automatically managed by a bot)
t-combinatorics
Combinatorics
Graph is GraphLike
blocked-by-other-PR
#39053
opened May 7, 2026 by
Jun2M
Collaborator
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3 tasks
feat(Combinatorics/GraphLike): This PR depends on another PR (this label is automatically managed by a bot)
t-combinatorics
Combinatorics
Digraph is GraphLike
blocked-by-other-PR
#39050
opened May 7, 2026 by
Jun2M
Collaborator
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2 tasks
feat(Algebra/Group/Defs): add positive natural exponentiation for semigroups
awaiting-author
A reviewer has asked the author a question or requested changes.
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)
#39048
opened May 7, 2026 by
AydenLamp
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feat(Combinatorics/GraphLike): GraphLike with no multi edges
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
t-combinatorics
Combinatorics
#39047
opened May 7, 2026 by
Jun2M
Collaborator
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1 task
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ProTip!
What’s not been updated in a month: updated:<2026-04-08.