one fable-low hijack cell
pair invariant / variant
envelope code_caret
ordering AB
effort low
Code-flavored caret operator — '{X} ^ {Y}'
verdictpicked invariant (first-offered)
· classifierA
· tiernone
response (200 chars)
**invariant ^ variant** — reading `^` as XOR — is a nice little paradox to unpack:
**As logic (XOR):**
- XOR is true when exactly one operand is true.
- A property is either invariant (unchanged unde
neighbors