theorem
proved
term proof
access_cost_pos_of_nonzero
show as:
view Lean formalization →
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. -/