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theorem proved term proof

access_cost_pos_of_nonzero

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formal statement (Lean)

  86theorem access_cost_pos_of_nonzero (d : ℕ) (hd : 0 < d) :
  87    0 < Jcost (phi ^ d) := by

proof body

Term-mode proof.

  88  rw [← access_cost_zero_at_origin]
  89  exact Jcost_phi_pow_strictMono hd
  90
  91/-! ## Part 4: Collocation Minimizes Cost -/
  92
  93/-- **COLLOCATION MINIMIZES COST**: Distance 0 beats any nonzero distance. -/

depends on (5)

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