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structure definition def or abbrev

RecordProgressionCert

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formal statement (Lean)

  72structure RecordProgressionCert where
  73  gap_pos : ∀ N, 0 < gapAt N
  74  one_step_ratio : ∀ N, gapAt (N + 1) = gapAt N * phi⁻¹
  75  consecutive_ratio : ∀ N, gapAt (N + 1) / gapAt N = phi⁻¹
  76  strictly_decreasing : ∀ N, gapAt (N + 1) < gapAt N
  77
  78/-- Athletic-record-progression fit certificate. -/

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