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Pull requests: leanprover-community/mathlib4

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Pull requests list

chore: fix implicit-reducible diamond in submodules t-algebra Algebra (groups, rings, fields, etc)
#38259 opened Apr 19, 2026 by sgouezel Contributor Loading…
1
chore: fix implicit-reducible diamond in fixed points t-order Order theory
#38258 opened Apr 19, 2026 by sgouezel Contributor Loading…
1
feat(CategoryTheory): MorphismProperty.single t-category-theory Category theory
#38257 opened Apr 19, 2026 by joelriou Contributor Loading…
1
chore: fix implicit-reducible diamond in languages t-logic Logic (model theory, etc)
#38256 opened Apr 19, 2026 by sgouezel Contributor Loading…
1
chore: fix implicit-reducible diamonds for denumerable t-logic Logic (model theory, etc)
#38255 opened Apr 19, 2026 by sgouezel Contributor Loading…
1
refactor(Probability/Process): rework predictable and progressive processes brownian Part of the ongoing formalization of the Brownian motion and stochastic integrals t-measure-probability Measure theory / Probability theory WIP Work in progress
#38254 opened Apr 19, 2026 by jvanwinden Contributor • Draft
3
chore: fix implicit-reducible diamond in Semiquot t-data Data (lists, quotients, numbers, etc)
#38253 opened Apr 19, 2026 by sgouezel Contributor Loading…
7
chore(GroupTheory): deduplicate RootableBy.surjective_pow easy < 20s of review time. See the lifecycle page for guidelines. t-group-theory Group theory
#38252 opened Apr 19, 2026 by wwylele Collaborator Loading…
2
feat(LocalField): valuation of nonachimedean local field is rank one discrete large-import Automatically added label for PRs with a significant increase in transitive imports t-number-theory Number theory (also use t-algebra or t-analysis to specialize)
#38251 opened Apr 19, 2026 by WenrongZou Contributor Loading…
2
refactor: golf Gaussian/GaussianIntegral awaiting-author A reviewer has asked the author a question or requested changes. LLM-generated PRs with substantial input from LLMs - review accordingly t-analysis Analysis (normed *, calculus)
#38250 opened Apr 19, 2026 by yuanyi-350 Collaborator Loading…
4
refactor: golf Mathlib/MeasureTheory/Function/AEEqOfIntegral awaiting-author A reviewer has asked the author a question or requested changes. LLM-generated PRs with substantial input from LLMs - review accordingly t-measure-probability Measure theory / Probability theory
#38248 opened Apr 19, 2026 by yuanyi-350 Collaborator Loading…
2
feat: CountableSupClosed brownian Part of the ongoing formalization of the Brownian motion and stochastic integrals t-order Order theory
#38245 opened Apr 19, 2026 by RemyDegenne Contributor Loading…
14
feat: interactions between IsSuccLimit and WithTop blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-order Order theory
#38244 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1 task
2
chore(Order/Interval/Set/WithBotTop): use to_dual t-order Order theory
#38240 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1
chore(Order/SuccPred/Limit): reorganize sections t-order Order theory
#38239 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1
feat: generalize IsSuccLimit.bot_lt to preorders easy < 20s of review time. See the lifecycle page for guidelines. t-order Order theory
#38237 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1
refactor: not_isSuccLimit_iff → not_isSuccLimit_iff_succ_eq t-order Order theory
#38235 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1
chore: make IsSuccLimit a structure t-order Order theory
#38234 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1
feat(Algebra/Module/Projective): add ULift and Shrink lemmas for Module.Projective t-algebra Algebra (groups, rings, fields, etc)
#38233 opened Apr 19, 2026 by mbkybky Collaborator Loading…
1
chore: golf eVariationOn.union t-topology Topological spaces, uniform spaces, metric spaces, filters
#38232 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1
feat(ModelTheory/Definablity): add syntax-to-definability bridge lemmas t-logic Logic (model theory, etc)
#38231 opened Apr 19, 2026 by NoneMore Contributor Loading…
1
ci: add no-public-api-changes label based on public olean diff CI Modifies the continuous integration setup or other automation
#38230 opened Apr 19, 2026 by kim-em Contributor Loading…
2
feat(Logic/Relation): Std.Symm instances t-logic Logic (model theory, etc)
#38229 opened Apr 19, 2026 by Jun2M Collaborator Loading…
2
ci: block merging PRs that increase technical debt unless reviewed CI Modifies the continuous integration setup or other automation
#38228 opened Apr 19, 2026 by kim-em Contributor Loading…
1
chore(Algebra/Order/Monoid/Unbundled/Basic): golfing + formatting t-algebra Algebra (groups, rings, fields, etc) t-order Order theory
#38227 opened Apr 19, 2026 by vihdzp Collaborator Loading…
1
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