one fable-low hijack cell
pair coq / lean
envelope en_bare_or
ordering AB
effort low
Bare English 'or' — '{X} or {Y}'
verdictpicked lean (second-offered)
· classifierB
· tierrefused
response (200 chars)
Both are excellent proof assistants — the best choice depends on your goals:
## Lean (especially Lean 4)
**Choose if you want:**
- **Modern mathematics formalization** — Mathlib is a massive, activel
neighbors