leanprover-community / leanprover-community/mathlib4
Porting notes: additional beta_reduction necessary
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Description
This issue is tracking all porting notes where additional beta_reduction is necessary.
Often, these porting notes take a form like
https://github.com/leanprover-community/mathlib4/blob/b45f0d84794d1935e316fe42795bdc478f34d448/Mathlib/Algebra/MonoidAlgebra/Basic.lean#L702
or
https://github.com/leanprover-community/mathlib4/blob/b45f0d84794d1935e316fe42795bdc478f34d448/Mathlib/Topology/Gluing.lean#L393
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 by reading the porting-note examples in Mathlib/Algebra/MonoidAlgebra/Basic.lean and Mathlib/Topology/Gluing.lean at the linked locations. Identify the additional beta_reduction cases covered by this tracking issue, then verify that each listed porting note has been addressed; the issue does not specify tests or a narrower completion criterion.
Written by the indexing model from the issue text.
Assessment
- Domain
- devtools
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100