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Pull requests list

chore: use induction for Quotient.induction invocations tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#35878 opened Feb 28, 2026 by Parcly-Taxel Loading…
1
feat(Algebra/Module): add twisted product module t-algebra Algebra (groups, rings, fields, etc)
#35877 opened Feb 28, 2026 by yoh-tanimoto • Draft
1
fix(Translate): remap ConstantInfo.all during declaration translation t-meta Tactics, attributes or user commands
#35875 opened Feb 27, 2026 by adamtopaz Loading…
3
feat(Adjoin/Polynomial/Bivariate): IsAlgebraic.adjoin_singleton 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-algebra Algebra (groups, rings, fields, etc)
#35874 opened Feb 27, 2026 by xgenereux Loading…
1 task
3
chore: delete deprecated modules to end August 2025 tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#35873 opened Feb 27, 2026 by Parcly-Taxel Loading…
1
feat(CategoryTheory/Limits): IsPullback.mono_fst_of_mono and similar t-category-theory Category theory
#35871 opened Feb 27, 2026 by edegeltje Loading…
1
feat: weaken assumptions for integration by parts t-analysis Analysis (normed *, calculus)
#35870 opened Feb 27, 2026 by fpvandoorn Loading…
@grunweg
7
feat(Topology): Added in a variant of the sheaf condition which assumes non triviality of the cover t-topology Topological spaces, uniform spaces, metric spaces, filters WIP Work in progress
#35868 opened Feb 27, 2026 by Raph-DG Loading…
1
feat(CategoryTheory/Topos): Define subobject classifier for sheaf of types awaiting-author A reviewer has asked the author a question or requested changes. t-category-theory Category theory
#35867 opened Feb 27, 2026 by edegeltje Loading…
10
feat(Topology/Homotopy/Basic): maps homotopic rel S agree on S 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
#35866 opened Feb 27, 2026 by gad-wiseman Loading…
2
chore: review Cardinal.ord API t-set-theory Set theory
#35865 opened Feb 27, 2026 by vihdzp Loading…
1
feat(Adjoin/Polynomial): Split file and add RingHom/Transcendental lemmas file-removed A Lean module was (re)moved without a `deprecated_module` annotation t-algebra Algebra (groups, rings, fields, etc)
#35864 opened Feb 27, 2026 by xgenereux Loading…
4
Nagell lutz merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot)
#35863 opened Feb 27, 2026 by CBirkbeck • Draft
doc(SetTheory/Ordinal/Arithmetic): improve documentation documentation Improvements or additions to documentation t-set-theory Set theory
#35858 opened Feb 27, 2026 by vihdzp Loading…
2
feat(Logic.Equiv.BijectiveBase2): add bijective base-2 numeration new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-logic Logic (model theory, etc)
#35857 opened Feb 27, 2026 by AlexeyMilovanov Loading…
4
doc(misc): fix typos awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. easy < 20s of review time. See the lifecycle page for guidelines.
#35856 opened Feb 27, 2026 by harahu Loading…
2
chore(SetTheory/Ordinal/Basic): deprecate Ordinal.induction → WellFoundedLT.induction t-set-theory Set theory
#35855 opened Feb 27, 2026 by vihdzp Loading…
1
chore(SetTheory/Ordinal/Arithmetic): avoid terminal simp only t-set-theory Set theory
#35854 opened Feb 27, 2026 by vihdzp Loading…
17
chore(SetTheory/Ordinal): deprecate more theorems on succ t-set-theory Set theory
#35853 opened Feb 27, 2026 by vihdzp Loading…
1 task done
2
chore(SetTheory/Ordinal/Arithmetic): remove backward.privateInPublic t-set-theory Set theory tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#35851 opened Feb 27, 2026 by vihdzp Loading…
3
refactor: nicer definition for ordinal logarithm t-set-theory Set theory
#35850 opened Feb 27, 2026 by vihdzp Loading…
1 task done
3
chore: golf proofs
#35847 opened Feb 27, 2026 by euprunin Loading…
7
feat(RingTheory/MvPowerSeries): add completeness for MvPowerSeries blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-ring-theory Ring theory
#35846 opened Feb 27, 2026 by BryceT233 Loading…
4 tasks
3
chore(AlgebraicGeometry): Remove TODO and fix documentation 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-algebraic-geometry Algebraic geometry
#35845 opened Feb 27, 2026 by Brian-Nugent Loading…
2
review: just the basics delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). t-meta Tactics, attributes or user commands
#35843 opened Feb 27, 2026 by thorimur Loading…
8
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