lean-ja / lean-ja/lean-by-example
同値な型は等しいと仮定すると矛盾する
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コード例
データ型
- Dominant language
- Lean
- Stars
- 188
- Forks
- 15
- Avg merge
- 9h 8m
- Merged PRs (30d)
- 6
Description
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 Zulip discussion about the Cardinality model and its incompatibility with the Lean compiler. Determine the contradiction being reported and identify the affected Lean example or compiler behavior there. The issue does not specify files, tests, or a concrete definition of done.
Written by the indexing model from the issue text.
Assessment
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100