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Pull requests: leanprover-community/mathlib4

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Pull requests list

feat: NSMul/NPow type class WIP Work in progress
#38036 opened Apr 14, 2026 by JovanGerb Contributor Loading…
feat: add Sophie Germain theorem formalization 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-number-theory Number theory (also use t-algebra or t-analysis to specialize)
#38035 opened Apr 14, 2026 by kellyzhao1231 Loading…
perf(Analysis/RCLike/Basic): move a section easy < 20s of review time. See the lifecycle page for guidelines. ready-to-merge This PR has been sent to bors. t-analysis Analysis (normed *, calculus)
#38034 opened Apr 14, 2026 by kbuzzard Member Loading…
feat(Data/Set): add subsingleton_iff_eq_empty_or_singleton awaiting-author A reviewer has asked the author a question or requested changes. awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-data Data (lists, quotients, numbers, etc)
#38033 opened Apr 14, 2026 by JadAbouHawili Contributor Loading…
perf: unbundle algebra from ENormed*, April 2026 version WIP Work in progress
#38032 opened Apr 14, 2026 by grunweg Contributor Loading…
feat(RingTheory/Artinian/Ring): an Artinian ring is isomorphic to the product of its localizations t-algebra Algebra (groups, rings, fields, etc) t-ring-theory Ring theory
#38031 opened Apr 14, 2026 by tb65536 Contributor Loading…
feat(RingTheory): lemmas for minimal primes to lessen defeq abuse t-ring-theory Ring theory
#38029 opened Apr 14, 2026 by Thmoas-Guan Collaborator Loading…
chore(RingTheory/Depth): move depth to separate folder t-ring-theory Ring theory
#38028 opened Apr 14, 2026 by Thmoas-Guan Collaborator Loading…
feat(Combinatorics/SimpleGraph/Acyclic): define star graphs new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-combinatorics Combinatorics
#38027 opened Apr 14, 2026 by 8e7 Loading…
feat(Analysis/Calculus): define absolutely monotone functions LLM-generated PRs with substantial input from LLMs - review accordingly new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-analysis Analysis (normed *, calculus)
#38026 opened Apr 14, 2026 by mrdouglasny Contributor Loading…
2 tasks
chore: generalize cardinal supremum theorems to conditionally complete lattices t-order Order theory t-set-theory Set theory
#38024 opened Apr 14, 2026 by vihdzp Collaborator Loading…
feat(Analysis/Normed/Module) Added continuousAt_clm_apply easy < 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-analysis Analysis (normed *, calculus)
#38023 opened Apr 13, 2026 by Deicyde Contributor Loading…
feat(Data/Int/ModEq): add theorem modEq_two_abs t-data Data (lists, quotients, numbers, etc)
#38021 opened Apr 13, 2026 by IvanRenison Collaborator Loading…
Feat(Topology/FiberBundle): continuousAt_symm_prodMk_left 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
#38020 opened Apr 13, 2026 by Deicyde Contributor Loading…
doc(Tactic/Linter): link to style guide from unicode linter delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). t-linter Linter
#38019 opened Apr 13, 2026 by adomasbaliuka Collaborator Draft
feat(Algebra): expand Subalgebra.restrictScalars API t-ring-theory Ring theory
#38018 opened Apr 13, 2026 by matthewjasper Collaborator Loading…
perf(Algebra/Ring): faster Ring.toAddGroupWithOne instance t-algebra Algebra (groups, rings, fields, etc) WIP Work in progress
#38017 opened Apr 13, 2026 by kbuzzard Member Loading…
feat(RingTheory): PrimeSpectrum.sigmaToPi is an open embedding t-ring-theory Ring theory
#38016 opened Apr 13, 2026 by chrisflav Member Loading…
feat(Analysis/SpecialFunctions/Complex/Log): natural number versions of exp_eq_one_iff LLM-generated PRs with substantial input from LLMs - review accordingly t-analysis Analysis (normed *, calculus)
#38015 opened Apr 13, 2026 by riccardobrasca Member Loading…
feat(InformationTheory): linear codes over finite fields and minimum distance properties new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-measure-probability Measure theory / Probability theory
#38014 opened Apr 13, 2026 by cduenasnavarro Loading…
chore(LinearAlgebra/Span): revert import order between Submodule/Pointwise and Span/Basic large-import Automatically added label for PRs with a significant increase in transitive imports
#38013 opened Apr 13, 2026 by martinwintermath Contributor Loading…
feat(Topology/Continuous): Continuous.preimage_mem_nhds 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
#38011 opened Apr 13, 2026 by gilesgshaw Contributor Loading…
feat(RingTheory/Valuation): define the valuation spectrum and its topology LLM-generated PRs with substantial input from LLMs - review accordingly t-ring-theory Ring theory
#38009 opened Apr 13, 2026 by CBirkbeck Collaborator Draft
ProTip! Follow long discussions with comments:>50.