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Pull requests: leanprover-community/mathlib4
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feat(Combinatorics/SimpleGraph): Add Subgraph.inclusion_edge_apply_coe and inclusion_edgeSet_apply_coe
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
t-combinatorics
Combinatorics
#27226
opened Jul 17, 2025 by
xcloudyunx
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refactor(Tactic/Lift): deprecate the third with argument
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
t-meta
Tactics, attributes or user commands
#27225
opened Jul 16, 2025 by
eric-wieser
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1 task
fix(NonZeroDivisors): swap left and right
t-algebra
Algebra (groups, rings, fields, etc)
#27224
opened Jul 16, 2025 by
alreadydone
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chore(Tactic/Lift): combine Tactics, attributes or user commands
elab_rules
t-meta
#27223
opened Jul 16, 2025 by
eric-wieser
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feat(Order/Filter/Map): add < 20s of review time. See the lifecycle page for guidelines.
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
t-order
Order theory
frequently_bind
easy
#27221
opened Jul 16, 2025 by
gasparattila
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feat(Combinatorics/HypergraphRamsey): Ramsey's theorem for hypergraphs
large-import
Automatically added label for PRs with a significant increase in transitive imports
new-contributor
This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
#27217
opened Jul 16, 2025 by
ctchou
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feat(AlgebraicGeometry): Define the Zariski site on AffineScheme
awaiting-author
A reviewer has asked the author a question or requested changes.
t-algebraic-geometry
Algebraic geometry
#27215
opened Jul 16, 2025 by
kckennylau
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feat(CategoryTheory/Limits/Shapes/Pullback/Categorical): Categorical pullback squares
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
t-category-theory
Category theory
WIP
Work in progress
#27214
opened Jul 16, 2025 by
robin-carlier
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1 task
feat(Valuation/DiscreteValuationRel): val relations with compatible valuations to Zm0 are IsDiscrete
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
merge-conflict
The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot)
t-algebra
Algebra (groups, rings, fields, etc)
t-analysis
Analysis (normed *, calculus)
t-number-theory
Number theory (also use t-algebra or t-analysis to specialize)
#27213
opened Jul 16, 2025 by
pechersky
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3 tasks
Cot series iterated deriv within
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
feat: Order theory
Inhabited (Fin n ↪o ℕ)
instance
maintainer-merge
t-order
#27211
opened Jul 16, 2025 by
Ruben-VandeVelde
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feat: Automatically added label for PRs with a significant increase in transitive imports
t-algebra
Algebra (groups, rings, fields, etc)
toric
Part of the ongoing formalisation of toric varieties
MonoidHom.toHomUnits
is a monoid hom
large-import
#27210
opened Jul 16, 2025 by
YaelDillies
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feat: iteratedDerivWithin version of zpow lemmas
t-analysis
Analysis (normed *, calculus)
#27209
opened Jul 16, 2025 by
CBirkbeck
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feat(Topology/WithVal): ValuativeRel (WithVal v)
t-algebra
Algebra (groups, rings, fields, etc)
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#27207
opened Jul 16, 2025 by
pechersky
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feat(CategoryTheory/Adjunction): partial adjoints are adjoints
t-category-theory
Category theory
#27206
opened Jul 16, 2025 by
grhkm21
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feat: coercing to an Algebra (groups, rings, fields, etc)
toric
Part of the ongoing formalisation of toric varieties
AlgHom
then RingHom
t-algebra
#27205
opened Jul 16, 2025 by
YaelDillies
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feat: < 20s of review time. See the lifecycle page for guidelines.
t-algebra
Algebra (groups, rings, fields, etc)
toric
Part of the ongoing formalisation of toric varieties
Algebra.linearMap R R = .id
easy
#27204
opened Jul 16, 2025 by
YaelDillies
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feat(RingTheory/Ideal): oka predicates over ideals
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)
#27200
opened Jul 16, 2025 by
rotarc75
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feat(MonoidAlgebra): miscellaneous basic lemmas
t-algebra
Algebra (groups, rings, fields, etc)
toric
Part of the ongoing formalisation of toric varieties
#27199
opened Jul 16, 2025 by
YaelDillies
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feat(CategoryTheory/Monoidal/DayConvolution): the Yoneda embedding is monoidal (for Day convolution)
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
file-removed
A Lean module was (re)moved without a `deprecated_module` annotation
t-category-theory
Category theory
#27198
opened Jul 16, 2025 by
robin-carlier
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2 tasks
feat(Topology): This PR depends on another PR (this label is automatically managed by a bot)
t-topology
Topological spaces, uniform spaces, metric spaces, filters
WIP
Work in progress
IsCoveringMapOn
open set
blocked-by-other-PR
#27197
opened Jul 16, 2025 by
alreadydone
•
Draft
1 task
refactor(Polynomial/Bivariate): swap Algebra (groups, rings, fields, etc)
toric
Part of the ongoing formalisation of toric varieties
X
and Y
for improved notation
t-algebra
#27196
opened Jul 16, 2025 by
YaelDillies
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feat(Analysis/InnerProductSpace/Positive): add theorem Analysis (normed *, calculus)
LinearMap.IsPositive.adjoint_eq
t-analysis
#27195
opened Jul 16, 2025 by
IvanRenison
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feat: a finite monoid algebra is a finite module
t-algebra
Algebra (groups, rings, fields, etc)
#27194
opened Jul 16, 2025 by
YaelDillies
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