Theorems · Theorem · general topology
Metric.hausdorffEDist_triangle
∀ {α : Type u} [inst : PseudoEMetricSpace α] {s t u : Set α},
Metric.hausdorffEDist s u ≤ Metric.hausdorffEDist s t + Metric.hausdorffEDist t uThe Hausdorff distance satisfies the triangle inequality.
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 156 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.
Cites12
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 and proof · cited by 9,879
- le_reflproof · cited by 2,061
- PseudoEMetricSpacestatement and proof · cited by 1,536
- add_commproof · cited by 1,535
- add_le_addproof · cited by 666
- le_imp_le_of_le_of_leproof · cited by 576
- Metric.hausdorffEDiststatement and proof · cited by 76
- Metric.hausdorffEDist_defproof · cited by 13
- Metric.hausdorffEDist_commproof · cited by 11
- Metric.infEDist_le_hausdorffEDist_of_memproof · cited by 5
- Metric.infEDist_le_infEDist_add_hausdorffEDistproof · cited by 4
Cited by4
Results whose statement or proof uses this declaration.
- Metric.hausdorffEDist_closure_leftproof · cited by 5
- Metric.hausdorffDist_triangleproof · cited by 2
- EMetric.hausdorffEdist_triangleproof · cited by 0
- PseudoEMetricSpace.hausdorffproof · cited by 0