lean-ja / lean-ja/lean-by-example
MathlibTest にある、ダイアモンド継承をテストする例
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コード例
- Dominant language
- Lean
- Stars
- 188
- Forks
- 15
- Avg merge
- 9h 8m
- Merged PRs (30d)
- 6
Description
import Mathlib.Algebra.Algebra.Rat
import Mathlib.Data.Complex.Module
-- Test that the `SMul ℚ ℂ` instance is correct.
example : (Complex.SMul.instSMulRealComplex : SMul ℚ ℂ) = (Algebra.toSMul : SMul ℚ ℂ) := by
with_reducible_and_instances rfl
see: mathlib\MathlibTest\instance_diamonds\Data\Complex\Module.lean
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Research direction
Start by reading MathlibTest/instance_diamonds/Data/Complex/Module.lean and compare it with the repository's existing example structure. Clarify which part should be added or documented, then verify the resulting Lean example still checks successfully.
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Assessment
- Domain
- testing
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100