lean-ja / lean-ja/lean-by-example

Fin の使用例。ベクトル。

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Dominant language
Lean
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188
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Avg merge
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Merged PRs (30d)
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Description

ベクトルは Fin n → V なので。
こういう、個数を表す自然数は Fin n でコーディングされてたりする

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Search the repository documentation for the appropriate location for an example about Fin and vectors. Done means adding a focused explanation of the relationship between Fin n, vectors, and natural numbers used as counts, with a runnable Lean example if that matches the surrounding material.

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
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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