English
If f1 and f2 agree on a punctured neighborhood of x, then their trailing coefficients at x are equal.
Русский
Если f1 и f2 совпадают на лакунном окрестном окружении точки x, то их хвостовые коэффициенты в x равны.
LaTeX
$$$$ (f_1 =_{{\mathcal{N}(x) \setminus \{x\}}} f_2) \Rightarrow \mathrm{meromorphicTrailingCoeffAt}(f_1,x) = \mathrm{meromorphicTrailingCoeffAt}(f_2,x). $$$$
Lean4
@[simp]
theorem dist_lineMap_right (p₁ p₂ : P) (c : 𝕜) : dist (lineMap p₁ p₂ c) p₂ = ‖1 - c‖ * dist p₁ p₂ := by
simpa only [lineMap_apply_one, dist_eq_norm'] using dist_lineMap_lineMap p₁ p₂ c 1