Mathlib Map

Theorems · Theorem · general topology

Metric.hausdorffEDist_image

∀ {α : Type u} {β : Type v} [inst : PseudoEMetricSpace α] [inst_1 : PseudoEMetricSpace β] {s t : Set α} {Φ : α → β},
  Isometry Φ → Metric.hausdorffEDist (Φ '' s) (Φ '' t) = Metric.hausdorffEDist s t

The Hausdorff edistance is invariant under isometries.

Defined in
Mathlib.Topology.MetricSpace.HausdorffDistance
Cited by
2 results in Mathlib
Foundations
Depth 153 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
PseudoEMetricSpacePseudoEMetricSpace

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites12

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by2

Results whose statement or proof uses this declaration.