∀ {V : Type u_1} {P : Type u_2} [inst : NormedAddCommGroup V] [inst_1 : InnerProductSpace ℝ V] [inst_2 : MetricSpace P]
  [inst_3 : NormedAddTorsor V P] {s : AffineSubspace ℝ P} (p₁ p₂ p₃ : ↥s),
  EuclideanGeometry.angle ↑p₁ ↑p₂ ↑p₃ = EuclideanGeometry.angle p₁ p₂ p₃