leanprover / leanprover/fp-lean
[Typo] Section 4.3.3.3. Custom Environments: is a a -> is a
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Description
Hi, I have finished (and much appreciated!) the book 3 months ago, and compiled a little errata, which I would like to contribute. This is my first issue. If there is anything inadequate in the form or organization of these reports, please let me know.
Once more, thanks for the excellent material!
Here is the full quote for the first typo, which is highlighted in bold:
The fact that constants in arithmetic expressions evaluate to constant functions suggests that the appropriate definition of
pureforReaderis a a constant function:
Correction: is a
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 Section 4.3.3.3, “Custom Environments,” in the book and verify the quoted sentence. Correct “is a a” to “is a,” then check the surrounding rendered text or documentation build to confirm the typo is gone.
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
- 45/100