theorem
proved
term proof
muon_electron_ratio_bounds
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formal statement (Lean)
138theorem muon_electron_ratio_bounds :
139 (198 : ℝ) < phi ^ 11 ∧ phi ^ 11 < (200 : ℝ) := phi_pow_11_bounds
proof body
Term-mode proof.
140
141/-- The tau/muon mass ratio involves φ⁶ ≈ 17.9.
142 Specifically m_τ/m_μ ≈ φ^(r_τ - r_μ) = φ^(19-13) = φ⁶. -/