Metric.thickening_thickening_subset

∀ {α : Type u} [inst : PseudoEMetricSpace α] (ε δ : ℝ) (s : Set α),
  Metric.thickening ε (Metric.thickening δ s) ⊆ Metric.thickening (ε + δ) s

For the equality, see thickening_thickening.

Defined in: Mathlib.Topology.MetricSpace.Thickening
Cited by: 4 results in Mathlib
Foundations: Depth 151 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: PseudoEMetricSpace

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