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Pull requests: leanprover-community/mathlib4
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fix(RefinedDiscrTree): remove funny Tactics, attributes or user commands
transparency
handling
t-meta
#26531
opened Jun 30, 2025 by
JovanGerb
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feat(Geometry/Euclidean/Incenter): signs of barycentric coordinates of touchpoints
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
t-euclidean-geometry
Affine and axiomatic geometry
#26530
opened Jun 29, 2025 by
jsm28
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3 tasks
feat(Geometry/Euclidean/Projection): projection onto a 0-simplex
blocked-by-other-PR
This PR depends on another PR (this label is automatically managed by a bot)
easy
< 20s of review time. See the lifecycle page for guidelines.
t-euclidean-geometry
Affine and axiomatic geometry
#26529
opened Jun 29, 2025 by
jsm28
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1 task
feat(Geometry/Euclidean/Sphere/Tangent): lemmas about points in subspace
easy
< 20s of review time. See the lifecycle page for guidelines.
t-euclidean-geometry
Affine and axiomatic geometry
#26528
opened Jun 29, 2025 by
jsm28
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feat(LinearAlgebra/AffineSpace/Independent): < 20s of review time. See the lifecycle page for guidelines.
t-algebra
Algebra (groups, rings, fields, etc)
faceOpposite
point in 1-simplex
easy
#26527
opened Jun 29, 2025 by
jsm28
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eat(RingTheory/Valuation/IntegrallyClosed): the valuation subring is integrally closed
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)
t-analysis
Analysis (normed *, calculus)
t-number-theory
Number theory (also use t-algebra or t-analysis to specialize)
#26526
opened Jun 29, 2025 by
pechersky
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4 tasks
chore(RingTheory/Valuation): Valution.Integers implies IsFractionRing
t-algebra
Algebra (groups, rings, fields, etc)
#26524
opened Jun 29, 2025 by
pechersky
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chore: split out NatCast Complex instance
easy
< 20s of review time. See the lifecycle page for guidelines.
t-data
Data (lists, quotients, numbers, etc)
#26522
opened Jun 29, 2025 by
Ruben-VandeVelde
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chore(Algebra/BigOperators): rename variables away from greek letters
awaiting-CI
t-algebra
Algebra (groups, rings, fields, etc)
#26521
opened Jun 29, 2025 by
YaelDillies
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feat(Algebra/Homology): truncations of ConnectData.cochainComplex
large-import
Automatically added label for PRs with a significant increase in transitive imports
t-algebra
Algebra (groups, rings, fields, etc)
t-category-theory
Category theory
#26520
opened Jun 29, 2025 by
joelriou
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Von Neumann
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-set-theory
Set theory
#26518
opened Jun 29, 2025 by
knalasol
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feat(LinearAlgebra): complementary submodule under submodule
easy
< 20s of review time. See the lifecycle page for guidelines.
t-algebra
Algebra (groups, rings, fields, etc)
#26513
opened Jun 29, 2025 by
wwylele
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feat(RingTheory/Valuation/Integers): nontrivial_iff
easy
< 20s of review time. See the lifecycle page for guidelines.
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)
#26512
opened Jun 29, 2025 by
pechersky
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feat(RingTheory/Valuation): le_one_of_subsingleton
easy
< 20s of review time. See the lifecycle page for guidelines.
t-analysis
Analysis (normed *, calculus)
t-number-theory
Number theory (also use t-algebra or t-analysis to specialize)
#26511
opened Jun 29, 2025 by
pechersky
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feat(Matroid): exchange lemmas involving closure
t-combinatorics
Combinatorics
t-data
Data (lists, quotients, numbers, etc)
#26510
opened Jun 29, 2025 by
alreadydone
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feat(RingTheory/Valuation): IsNontrivial.exists_one_lt
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)
#26509
opened Jun 29, 2025 by
pechersky
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feat(Polynomial): Monic.C_ne_zero
easy
< 20s of review time. See the lifecycle page for guidelines.
t-algebra
Algebra (groups, rings, fields, etc)
#26508
opened Jun 29, 2025 by
pechersky
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feat(Algebra/Polynomial/Degree/IsMonicOfDegree): new file
t-algebra
Algebra (groups, rings, fields, etc)
#26507
opened Jun 29, 2025 by
MichaelStollBayreuth
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feat: smooth Riemannian bundles
t-differential-geometry
Manifolds etc
#26506
opened Jun 29, 2025 by
sgouezel
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feat: in a continuous Riemannian bundle, the trivialization at a point is locally bounded in norm
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#26505
opened Jun 29, 2025 by
sgouezel
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feat: the image of an interval under a continuous monotone map is an interval
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#26504
opened Jun 29, 2025 by
sgouezel
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feat: constructor for emetric space with a preexisting topology
large-import
Automatically added label for PRs with a significant increase in transitive imports
t-topology
Topological spaces, uniform spaces, metric spaces, filters
#26503
opened Jun 29, 2025 by
sgouezel
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feat: monotonicity of Analysis (normed *, calculus)
lineMap
maintainer-merge
t-analysis
#26502
opened Jun 29, 2025 by
sgouezel
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feat: more API on manifolds
t-differential-geometry
Manifolds etc
#26501
opened Jun 29, 2025 by
sgouezel
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feat: more properties of the manifold structure on Manifolds etc
Icc
t-differential-geometry
#26500
opened Jun 29, 2025 by
sgouezel
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