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theorem proved term proof

access_cost_increases_with_distance

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formal statement (Lean)

  77theorem access_cost_increases_with_distance (d₁ d₂ : ℕ) (h : d₁ < d₂) :
  78    Jcost (phi ^ d₁) < Jcost (phi ^ d₂) :=

proof body

Term-mode proof.

  79  Jcost_phi_pow_strictMono h
  80
  81/-- Zero distance has zero cost. -/

depends on (4)

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