theorem
proved
term proof
tau_muon_ratio_bounds
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formal statement (Lean)
143theorem tau_muon_ratio_bounds :
144 (17 : ℝ) < phi ^ 6 ∧ phi ^ 6 < (18 : ℝ) := phi_pow_6_bounds
proof body
Term-mode proof.
145
146/-- The charm/up mass ratio: m_c/m_u = φ^(15-4) = φ¹¹ ≈ 199. -/