leanprover / leanprover/reference-manual
Term vs tactic mode `rfl`
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Description
What question should the reference manual answer?
What is the difference between := rfl and := by rfl?
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 reference-manual section covering rfl and term/tactic syntax, then read its existing explanations and examples. Document the distinction between := rfl and := by rfl with clear examples, and verify the wording against the manual's terminology.
Written by the indexing model from the issue text.
Assessment
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100