Documentation

MeanFourier.Mathlib.Topology.MetricSpace.MetricSeparated

theorem AntilipschitzWith.injOn {X : Type u_1} {Y : Type u_2} [PseudoEMetricSpace X] [PseudoEMetricSpace Y] {f : XY} {s : Set X} {K ε : NNReal} (hf : AntilipschitzWith K f) (hs : Metric.IsSeparated (↑ε) s) :
theorem Metric.IsSeparated.image_of_antilipschitzWith {X : Type u_1} {Y : Type u_2} [PseudoEMetricSpace X] [PseudoEMetricSpace Y] {f : XY} {s : Set X} {K ε : NNReal} (hf : AntilipschitzWith K f) (hs : IsSeparated (K * ε) s) :
IsSeparated (↑ε) (f '' s)