one fable-low hijack cell
pair invariant / variant
envelope en_pipe
ordering AB
effort low
English with pipe '|' — '{X} | {Y}'
verdictpicked invariant (first-offered)
· classifierA
· tiernone
response (200 chars)
**invariant | variant** — a pair formed by the negating prefix **in-**.
- **variant**: something that changes or differs (a variant of a gene, a spelling variant)
- **invariant**: something that does
neighbors