Metric.externalCoveringNumber_le_encard_self

∀ {X : Type u_1} [inst : PseudoEMetricSpace X] {ε : NNReal} (A : Set X), Metric.externalCoveringNumber ε A ≤ A.encard

Defined in: Mathlib.Topology.MetricSpace.CoveringNumbers
Cited by: 1 results in Mathlib
Foundations: Depth 150 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: PseudoEMetricSpace

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