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theorem proved term proof

totalRecoveryCost_double

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formal statement (Lean)

  73theorem totalRecoveryCost_double (n : ℕ) :
  74    totalRecoveryCost (2 * n) = 2 * totalRecoveryCost n := by

proof body

Term-mode proof.

  75  unfold totalRecoveryCost
  76  push_cast
  77  ring
  78
  79/-! ## §4. Master certificate -/
  80

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depends on (1)

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