lean-ja / lean-ja/lean-by-example
カリーハワード同型対応について付録で説明をする
Open
Beginner friendly
Nobody has claimed this yet.
- Dominant language
- Lean
- Stars
- 188
- Forks
- 15
- Avg merge
- 9h 8m
- Merged PRs (30d)
- 6
Description
大事な話として以下がある
- 命題は型
- 証明はその項
- 帰納法は再帰
- 排中律は計算可能ではない
- 矛盾は空の型
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
Locate the appendix in the Lean by Example documentation and review how explanatory material is organized. Add an explanation of the five listed Curry–Howard correspondences, including propositions and types, proofs and terms, induction and recursion, the non-computability of excluded middle, and contradictions as empty types. Done means the appendix clearly covers each point.
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