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theorem proved term proof

subdivision_is_binary

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formal statement (Lean)

  87theorem subdivision_is_binary :
  88    subdivisionLevels = [2^0, 2^1, 2^2, 2^3] := by

proof body

Term-mode proof.

  89  simp [subdivisionLevels]
  90
  91/-! ## Swing as Asymmetry
  92
  93"Swing" in jazz/blues displaces the second note of each pair.
  94A 2:1 swing ratio means the first eighth note lasts twice as long
  95as the second — introducing a φ-like asymmetry into the rhythm. -/
  96

depends on (10)

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