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Issues list

Add the Moore-Penrose pseudo-inverse t-algebra Algebra (groups, rings, fields, etc)
#24787 opened May 11, 2025 by eric-wieser
lake exe shake --fix does not remove imports
#24743 opened May 10, 2025 by kbuzzard
1
Automatic download of static curl causes certificate problems
#24717 opened May 9, 2025 by jamespjh
Tracking issue: targets for faster tactics
#24551 opened May 2, 2025 by ocfnash
Tracking Issue: Refactoring Ideas
#24212 opened Apr 20, 2025 by BoltonBailey
2 of 32 tasks
chore: restore the binder overrides for structures from Lean 3
#24099 opened Apr 15, 2025 by eric-wieser
11 of 97 tasks
Feature request: Positional numeral system is missing
#24067 opened Apr 15, 2025 by vporton
2
Matrix.vecMulVec docstring
#24026 opened Apr 14, 2025 by madvorak
Question: Why is Mathlib so slow to load even when cached?
#24020 opened Apr 14, 2025 by zhaoclaire
linter.countHeartbeats is broken
#23905 opened Apr 10, 2025 by kbuzzard
1
extended binders don't automatically delaborate.
#23311 opened Mar 25, 2025 by kbuzzard
The simplifier fails to prove the derivative equality of a linear polynomial function whose coefficient is written before the variable
#23215 opened Mar 22, 2025 by ShreckYe
Uniformize APIs of Polynomial and MvPolynomial t-algebra Algebra (groups, rings, fields, etc)
#23044 opened Mar 18, 2025 by ADedecker
1
simps: warning if attribute generates configuration in other file
#23041 opened Mar 18, 2025 by fpvandoorn
2
nonZeroDivisors, regular elements, and localization t-algebra Algebra (groups, rings, fields, etc)
#22997 opened Mar 17, 2025 by alreadydone
FieldTheory/Finite: switch from Fintype to Finite/Nat.card t-algebra Algebra (groups, rings, fields, etc)
#22994 opened Mar 17, 2025 by alreadydone
1
Simple lie algebras have irreducible root systems
#22831 opened Mar 11, 2025 by ocfnash
@jano-wol
non-reducibly-defeq coercions from LinearEquiv to LinearMap t-algebra Algebra (groups, rings, fields, etc)
#22787 opened Mar 10, 2025 by alreadydone
Turn compute_degree into a simproc good first issue Good for newcomers t-meta Tactics, attributes or user commands
#22219 opened Feb 23, 2025 by YaelDillies
protect ids tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#22111 opened Feb 20, 2025 by alreadydone
Implement Lusztig / Geck's construction of semisimple Lie algebras
#21964 opened Feb 16, 2025 by ocfnash
1
push tactic that generalizes push_neg from neg to any def.
#21841 opened Feb 13, 2025 by BoltonBailey
1
1
Tracking issue: definition of simplicial objects by generators and relations. enhancement New feature or request t-category-theory Category theory
#21749 opened Feb 11, 2025 by robin-carlier
3 of 8 tasks
Tracking Issue: Naming consistency good first issue Good for newcomers help-wanted The author needs attention to resolve issues please-adopt Inactive PR (would be valuable to adopt)
#21584 opened Feb 8, 2025 by BoltonBailey
1 of 15 tasks
4
wlog with Unused Declarations
#21396 opened Feb 4, 2025 by dMaggot
3
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