IsPreconnected.union

∀ {α : Type u} [inst : TopologicalSpace α] (x : α) {s t : Set α},
  x ∈ s → x ∈ t → IsPreconnected s → IsPreconnected t → IsPreconnected (s ∪ t)

Defined in: Mathlib.Topology.Connected.Basic
Cited by: 3 results in Mathlib
Foundations: Depth 62 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: TopologicalSpace

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