Problem

erdos:505

∃ n S, Bornology.IsBounded S ∧ 0 < Metric.diam S ∧ ∀ (F : Fin (n + 1) → Set (EuclideanSpace ℝ (Fin n))), S ⊆ ⋃ i, F i → ∃ i, Metric.diam S ≤ Metric.diam (F i)

Open Current State

Declared status: disproved (Lean)
Formalization: formalized
Subjects: geometry
OEIS: possible
Sources: source:erdos-ai-contributions-wikisource:erdos-problemssource:formal-conjecturessource:jayyhk-erdos-leansource:plby-lean-proofs
Statement: www.erdosproblems.com

Borsuk's problem

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