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theorem proved term proof

voice_impossible_above_threshold

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formal statement (Lean)

  48theorem voice_impossible_above_threshold (jbar : ℝ) (h : voiceThreshold ≤ jbar) :
  49    voiceQualityFromJbar jbar = 0 := by

proof body

Term-mode proof.

  50  unfold voiceQualityFromJbar voiceThreshold
  51  simp; linarith
  52
  53/-- Voice quality is positive below threshold. -/

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depends on (6)

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