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def definition def or abbrev

cumulativeFailureCost

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formal statement (Lean)

  29def cumulativeFailureCost (_n : ℕ) (costOf : ℕ → ℝ) (S : Finset ℕ) : ℝ :=

proof body

Definition body.

  30  S.sum costOf
  31
  32/-- If every gate in a nonempty finite set fails and each failed gate has
  33positive cost, then the cumulative cost is positive. -/

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