Theorems · Theorem · general topology

EMetric.isUniformEmbedding_iff

∀ {α : Type u} {β : Type v} [inst : PseudoEMetricSpace α] [inst_1 : PseudoEMetricSpace β] {f : α → β},
  IsUniformEmbedding f ↔
    Function.Injective f ∧ UniformContinuous f ∧ ∀ δ > 0, ∃ ε > 0, ∀ {a b : α}, edist (f a) (f b) < ε → edist a b < δ

ε-δ characterization of uniform embeddings on pseudoemetric spaces

Defined in

Mathlib.Topology.EMetricSpace.Basic

Cited by

0 results in Mathlib

Foundations

Depth 148 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

PseudoEMetricSpacePseudoEMetricSpace