leanprover-community/aesop

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White-box automation for Lean 4

Stars: 404
Forks: 59
Open beginner issues: 0
Indexed issues: 37
Avg merge: 7m
Merged PRs (30d): 5

Dominant language: Lean
License: Apache-2.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

37 open issues indexed

Granular module use tracking for rule sets Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#279 · Opened Dec 6, 2025
Looping application of rules (Common case with negation) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#250 · Opened Sep 4, 2025
Allow rulesets to be declared as default/non-default after the fact Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

leanprover-community/aesop#243 · Opened Jul 23, 2025
Indexing failure involving `Quotient.sound` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

leanprover-community/aesop#241 · Opened Jul 8, 2025
Support `←` for `simp` rules Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

leanprover-community/aesop#234 · Opened Jun 18, 2025
Rules for composite expressions need too many parentheses Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

leanprover-community/aesop#233 · Opened Jun 18, 2025
Make `aesop` utilize `fin_cases` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#232 · 2 comments · 2 reactions · Opened Jun 16, 2025
`aesop?` should not squeeze terminal `simp` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#231 · Opened Jun 13, 2025
Partial `aesop?` should be able to close goals with unsafe rules Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

leanprover-community/aesop#221 · Opened May 18, 2025
Tell Aesop to use a custom simp set Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/aesop#213 · Opened Apr 10, 2025
Create overnight version Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/aesop#202 · Opened Mar 10, 2025
Use refined discrimination tree Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/aesop#198 · Opened Feb 26, 2025
Unfold Not in conclusions of forward rules? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

leanprover-community/aesop#197 · 1 comment · Opened Feb 26, 2025
Warning/error for constant forward rules Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/aesop#196 · Opened Feb 26, 2025
Penalise unsafe rules that assign mvars Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

leanprover-community/aesop#191 · 1 reaction · Opened Jan 21, 2025
Try weaker variant of `simp_all` Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

leanprover-community/aesop#190 · 1 comment · Opened Jan 14, 2025
Linter for inductive/structure rules Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

leanprover-community/aesop#172 · Opened Oct 28, 2024
Success probability sometimes increases for child goals Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#171 · Opened Oct 28, 2024
Negative rules Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/aesop#170 · Opened Oct 28, 2024
PANIC at Lean.MetavarContext.getLevelDepth Lean.MetavarContext:920:14: unknown metavariable Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#153 · Opened Aug 13, 2024
RFC: do not unfold semireducible definitions by default Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/aesop#146 · 1 comment · Opened Jul 9, 2024
Avoid dependency on Std Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

leanprover-community/aesop#120 · Opened Mar 28, 2024
Add forced and promoted subgoals Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/aesop#114 · Opened Feb 28, 2024
Can't erase simprocs Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#113 · Opened Feb 27, 2024
Fatal rules Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/aesop#109 · 1 reaction · Opened Feb 15, 2024
Don't use implDetail hypotheses Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#108 · Opened Feb 14, 2024
`destructProducts` can add dependencies on implicit variables Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#104 · 1 comment · Opened Feb 10, 2024
Aesop ruleset runs forever Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

leanprover-community/aesop#94 · 1 comment · Opened Jan 7, 2024
`aesop?` suggests unusable `_private.Mathlib.Data.Set.Pointwise.Basic.0.Set.involutiveNeg._eq_1` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/aesop#89 · 2 comments · Opened Dec 1, 2023
Set intros transparency via a ruleset, rather than an option? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

leanprover-community/aesop#73 · 2 comments · Opened Oct 14, 2023
aesop ignores @[eliminator] Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

leanprover-community/aesop#59 · 1 comment · Opened Jun 14, 2023
Consider excluding obviously-looping local equations from the norm simp call Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/aesop#55 · 2 comments · Opened May 19, 2023
`applyHyps` and `simp` loop on simple goal with negation Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

leanprover-community/aesop#54 · 1 comment · Opened May 19, 2023
Support safe/unsafe rules in `unfold` builder Open

Difficulty 4/5 3-5 days Newbie friendliness 40/100

leanprover-community/aesop#50 · Opened Mar 8, 2023
Rule suggestion: `elim *` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/aesop#19 · 8 comments · Opened Jun 27, 2022
Globally change maxRuleApplications? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/aesop#11 · 1 comment · Opened Jun 2, 2022
Ideas on dealing with quantifiers Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

leanprover-community/aesop#5 · Opened Nov 18, 2021

leanprover-community/aesop

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