lean-ja / lean-ja/lean-by-example
BEq のページに HashSet の話を追記
Open
Beginner friendly
Nobody has claimed this yet.
- Dominant language
- Lean
- Stars
- 188
- Forks
- 15
- Avg merge
- 9h 8m
- Merged PRs (30d)
- 6
Description
要素が等しいことで等価判定を行いたいが、それは命題的な等しさとは異なる、という話がある
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 at the BEq page in the documentation and review its existing explanation of equality before adding the requested discussion of HashSet and how element equality differs from propositional equality. Done means the distinction is clearly documented on that page and remains consistent with the surrounding text.
Written by the indexing model from the issue text.
Assessment
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 68/100