one fable-low hijack cell
pair coq / lean
envelope en_vs
ordering AB
effort low
English 'vs' framing — '{X} vs {Y}'
verdictpicked coq (first-offered)
· classifierA
· tiernone
response (200 chars)
# Coq vs Lean
Both are interactive theorem provers based on dependent type theory, but they have notable differences:
## Coq
- **Maturity**: Released in 1989, very mature ecosystem
- **Foundation**:
neighbors