leanprover / leanprover/reference-manual
more simp and rw differences
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Description
Some things I would also mention in https://lean-lang.org/doc/reference/latest/The-Simplifier/Simplification-vs-Rewriting/#simp-vs-rw:
simpnever creates side goals, and can only apply conditional rewrite rules if the discharger can prove the hypothesesrwcannot rewrite with local variables (in binders)
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
Open the referenced Simplification vs Rewriting section in the reference manual and review its existing comparison of simp and rw. Add the two requested points about side goals, conditional rewrite rules, and local variables in binders. Done means the section clearly includes both distinctions and the documentation builds successfully.
Written by the indexing model from the issue text.
Assessment
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 55/100