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one fable-low hijack cell

pair lean / reasonml envelope chinese_casual ordering AB effort low
verdictpicked lean (first-offered)  ·  classifierA · tiernone

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# Lean vs ReasonML

这两个语言定位很不一样,选择取决于你的目标:

## Lean (尤其是 Lean 4)

**定位**:定理证明器 + 通用编程语言

**适合你如果**:
- 对形式化数学、定理证明感兴趣
- 想研究依值类型(dependent types)
- 参与数学库 Mathlib 这样的项目
- 喜欢探索类型论前沿

**现状**:
- Lean 4 性能不错

neighbors

ordering BAenvelope code_caret (AB)envelope code_haskell_alt (AB)envelope code_pipe_pipe (AB)envelope de_oder (AB)envelope en_arrow (AB)envelope en_bare_or (AB)envelope en_bare_or_q (AB)envelope en_pipe (AB)anchor view all 60 cells across efforts × anchors