theorem
proved
tactic proof
muon_electron_ratio_error
show as:
view Lean formalization →
formal statement (Lean)
237theorem muon_electron_ratio_error :
238 |Constants.phi ^ (11 : ℕ) - ratio_mu_e_exp| / ratio_mu_e_exp < 0.04 := by
proof body
Tactic-mode proof.
239 have hr := ratio_mu_e_exp_bounds
240 have hexp_pos : (0 : ℝ) < ratio_mu_e_exp := by linarith [hr.1]
241 rw [div_lt_iff₀ hexp_pos, abs_lt]
242 constructor <;> nlinarith [phi11_gt, phi11_lt, hr.1, hr.2]
243