↶ lobby  ·  fable  ·  hijack  ·  zh_huo_q  ·  punish / scotch · BA

one fable-low hijack cell

pair punish / scotch envelope zh_huo_q ordering BA effort low
Chinese '或' with explicit question marker — '{X}或{Y}?'
verdictunclear / off-rails  ·  classifierUNCLEAR · tiernone

response (200 chars)

这取决于你的目标,两者定位很不一样:

## Lean(特别是 Lean 4)
**适合:**
- 形式化数学、定理证明(这是它的核心优势)
- 想参与活跃的数学形式化社区(mathlib 生态非常庞大)
- Lean 4 同时也是一门不错的通用函数式编程语言

**特点:**
- 依值类型(dependent types),表达力极强
- 社区活跃,发展迅速,数学界采用度高
- 学习曲线较陡

neighbors

ordering ABenvelope chinese_casual (AB)envelope 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_p (AB)anchor view all 60 cells across efforts × anchors