theorem
proved
term proof
defect_implies_zero_free
show as:
view Lean formalization →
formal statement (Lean)
68theorem defect_implies_zero_free (db : DefectBudget) :
69 ∃ c : ℝ, 0 < c ∧ ∀ t, 1 < t → c / Real.log t > 0 := by
proof body
Term-mode proof.
70 use db.total_defect
71 exact ⟨db.defect_positive, fun t ht => div_pos db.defect_positive (Real.log_pos ht)⟩
72
73/-! ## RS Chain Sufficiency
74
75The RS number theory chain needs only the classical zero-free region,
76not the full Riemann Hypothesis. -/
77