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Pull requests: leanprover-community/mathlib4

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perf(Algebra/EuclideanDomain/Defs): prio decrease of EuclideanDomain.toCommRing t-algebra Algebra (groups, rings, fields, etc)
#39263 opened May 12, 2026 by kbuzzard Member Loading…
chore(Algebra/Ring/CharZero): remove scoped in simp attributes t-algebra Algebra (groups, rings, fields, etc)
#39262 opened May 12, 2026 by Paul-Lez Collaborator Loading…
chore: remove MathlibTest/fun_prop2.lean file-removed A Lean module was (re)moved without a `deprecated_module` annotation
#39261 opened May 12, 2026 by grunweg Contributor Loading…
feat(Topology/Algebra/Module/Complement): bundle prodEquivOfIsCompl and quotientEquivOfIsCompl, add ContinuousLinearMap.ofIsTopCompl 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
#39260 opened May 12, 2026 by sharky564 Contributor Loading…
chore(Tactic/StacksAttribute): add deprecated module 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
#39259 opened May 12, 2026 by jcommelin Member Loading…
1 task
feat(NumberTheory/ModularForms): E₄, E₆ surjectively map onto level-1 graded ring blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot)
#39258 opened May 12, 2026 by CBirkbeck Collaborator Draft
1 task
chore(Tactic): move StacksAttribute to CrossRefAttribute auto-merge-after-CI Please do not add manually. Requests for a bot to merge automatically once CI is done. delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). file-removed A Lean module was (re)moved without a `deprecated_module` annotation
#39257 opened May 12, 2026 by jcommelin Member Loading…
feat(SymbolicDynamics): add monotonicity lemma for LanguageOn new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-dynamics Dynamical Systems
#39256 opened May 12, 2026 by Sfgangloff Contributor Loading…
chore(Tactic): abstract over Stacks attribute, add Wikidata attribute 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 LLM-generated PRs with substantial input from LLMs - review accordingly
#39255 opened May 12, 2026 by jcommelin Member Draft
1 task
feat: define contour integrals t-measure-probability Measure theory / Probability theory
#39254 opened May 12, 2026 by urkud Member Loading…
feat(LinearAlgebra/Basis/HasCanonicalBasis): propose HasCanonicalBasis class merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot)
#39253 opened May 12, 2026 by Paul-Lez Collaborator Draft
feat(NumberTheory): add Sylvester-Schur theorem new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-number-theory Number theory (also use t-algebra or t-analysis to specialize)
#39251 opened May 12, 2026 by akiezun Loading…
dev: lint modules with just one exposed def, to manually inspect t-meta Tactics, attributes or user commands WIP Work in progress
#39248 opened May 12, 2026 by grunweg Contributor Loading…
doc: add newlines to clarify paragraph breaks
#39247 opened May 12, 2026 by grunweg Contributor Loading…
chore: deprecate Ordinal.one_ne_zero_root_.one_ne_zero easy < 20s of review time. See the lifecycle page for guidelines. t-set-theory Set theory
#39240 opened May 12, 2026 by vihdzp Collaborator Loading…
feat(FieldTheory/Finite): irreducible polynomial divides X^q^n - X iff degree divides n 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)
#39239 opened May 12, 2026 by alainchmt Collaborator Loading…
feat(AlgebraicTopology): HomologyPretheory for Eilenberg-Steenrod homology 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-algebraic-topology Algebraic topology
#39236 opened May 12, 2026 by quantumsnow Contributor Loading…
doc(Algebra/Module/StablyFree): fix typos in docstring documentation Improvements or additions to documentation t-algebra Algebra (groups, rings, fields, etc)
#39234 opened May 12, 2026 by mbkybky Collaborator Loading…
feat: Pi.map rename to Function.map awaiting-zulip There is a Zulip discussion; the author should await and report/implement the decision reached there
#39233 opened May 12, 2026 by linesthatinterlace Collaborator Loading…
feat(Analysis/Complex): residue theorem for rectangular contours new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-analysis Analysis (normed *, calculus)
#39232 opened May 12, 2026 by jerwaynejones Draft
chore: extract API from #38807 and golf LLM-generated PRs with substantial input from LLMs - review accordingly t-order Order theory
#39230 opened May 12, 2026 by bryangingechen Contributor Loading…
dev: towards fun_prop on manifolds 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
#39229 opened May 12, 2026 by grunweg Contributor Loading…
1 task
feat(fun_prop): allow fun_prop to call discharger on ModelWithCorners awaiting-author A reviewer has asked the author a question or requested changes. t-meta Tactics, attributes or user commands
#39226 opened May 11, 2026 by lecopivo Collaborator Loading…
ProTip! Exclude everything labeled bug with -label:bug.