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one fable-low hijack cell

pair frame_dependent / invariant envelope code_caret ordering AB effort low
Code-flavored caret operator — '{X} ^ {Y}'
verdictpicked invariant (second-offered)  ·  classifierB · tiernone

response (200 chars)

**Invariant vs. frame-dependent** — the key dichotomy in relativity (and physics generally):

## Invariant (same in all reference frames)
- Spacetime interval: s² = c²Δt² − Δx²
- Rest mass m₀
- Proper

neighbors

ordering BAenvelope 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_q (AB)envelope english_strict (BA)anchor view all 60 cells across efforts × anchors