Mathlib Map

Theorems · Definition · general topology

Metric.coveringNumber

{X : Type u_1} → [PseudoEMetricSpace X] → NNReal → Set X → ℕ∞

The covering number (or internal covering number) of a set A for radius ε is the minimal cardinality (in ℕ∞) of an ε-cover contained in A.

Defined in
Mathlib.Topology.MetricSpace.CoveringNumbers
Cited by
19 results in Mathlib
Foundations
Depth 148 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
PseudoEMetricSpace

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