∀ {γ : Type w} [inst : MetricSpace γ] {α : Type u_2} [inst_1 : TopologicalSpace α] [DiscreteTopology α] {ε : ℝ},
  0 < ε → ∀ {f : α → γ}, (Pairwise fun x y => ε ≤ dist (f x) (f y)) → Topology.IsClosedEmbedding f