Theorems · Theorem · general topology
Metric.hausdorffEDist_le_ediam
∀ {α : Type u} [inst : PseudoEMetricSpace α] {s t : Set α},
s.Nonempty → t.Nonempty → Metric.hausdorffEDist s t ≤ Metric.ediam (s ∪ t)The Hausdorff distance is controlled by the diameter of the union.
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 155 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- PseudoEMetricSpace
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- ENNRealstatement · cited by 9,879
- Set.Nonemptystatement and proof · cited by 2,627
- PseudoEMetricSpacestatement and proof · cited by 1,536
- Metric.ediamstatement · cited by 159
- Set.subset_union_leftproof · cited by 142
- Set.subset_union_rightproof · cited by 123
- Metric.hausdorffEDiststatement · cited by 76
- Metric.edist_le_ediam_of_memproof · cited by 20
- Metric.hausdorffEDist_le_of_mem_edistproof · cited by 3
Cited by1
Results whose statement or proof uses this declaration.
- EMetric.hausdorffEdist_le_ediamproof · cited by 0