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isMagic
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IndisputableMonolith.Nuclear.Octave on GitHub at line 36.
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33/‑ Magic‑number predicate (display‑level): index `Z` is magic if some aligned
34 8‑window around it is neutral. In practice, this will be evaluated on a
35 fit‑free valence‑cost proxy assembled from `levelEnergy`. -/
36def isMagic (x : ℕ → ℝ) (Z : ℕ) : Prop :=
37 ∃ s : ℕ, s ≤ Z ∧ isClosure x s
38
39end Octave
40end Nuclear
41end IndisputableMonolith
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