lean-ja / lean-ja/lean-by-example
simp は条件付き書き換えができる
Open
Nobody has claimed this yet.
- Dominant language
- Lean
- Stars
- 188
- Forks
- 15
- Avg merge
- 9h 8m
- Merged PRs (30d)
- 6
Description
Lean の simp は conditional lemma の side condition を再帰的に simp で解こうとする。maxDischargeDepth という設定もある。
ただ、discharge が弱いのであまり役に立たないケースが多いだけ
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the linked Lean Simplifier documentation, especially conditional lemmas, side-condition discharge, and maxDischargeDepth. Review this repository's existing examples to determine where the topic belongs; done should be a clearly scoped explanation or example showing conditional rewriting and the limits of discharge.
Written by the indexing model from the issue text.
Assessment
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100