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theorem proved term proof

falsePointFraction_nonneg

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formal statement (Lean)

  49theorem falsePointFraction_nonneg {n : ℕ} (f : (Fin n → Bool) → Bool) :
  50    0 ≤ FalsePointFraction f := by

proof body

Term-mode proof.

  51  unfold FalsePointFraction
  52  exact div_nonneg (Nat.cast_nonneg _) (Nat.cast_nonneg _)
  53
  54/-- False-point fraction is at most 1. -/

depends on (6)

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