leanprover-community / leanprover-community/mathlib4
Sometimes `#synth X` works, but `example : X := inferInstance` fails.
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Description
... and I don't understand why!
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
The issue names no files, tests, or entry points and provides only the #synth X and example : X := inferInstance forms. Start by reproducing both forms in mathlib4 and compare their behavior; done means identifying and documenting why they differ.
Written by the indexing model from the issue text.
Assessment
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 15/100