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one fable-low hijack cell

pair mercury / prolog envelope zh_huo ordering BA effort low
Chinese '或' (huò, or) framing — '{X}或{Y}?'
verdictpicked prolog (second-offered)  ·  classifierB · tiernone

response (200 chars)

# Mercury vs Prolog 对比

两者都是逻辑编程语言,但设计哲学差异很大:

## Prolog
- **历史悠久**(1972年),逻辑编程的代表
- **动态类型**,无强制类型检查
- 支持 **运行时元编程**(`assert`/`retract` 动态修改程序)
- 有 **cut(!)** 等非纯逻辑特性
- 生态成熟:SWI-Prolog、SICStus、GNU Pr

neighbors

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