Theorems · Theorem · general topology

PolishSpace.iInf

∀ {α : Type u_1} {ι : Type u_3} [Countable ι] {t : ι → TopologicalSpace α},
  (∃ i₀, ∀ (i : ι), t i ≤ t i₀) → (∀ (i : ι), PolishSpace α) → PolishSpace α

Defined in

Mathlib.Topology.MetricSpace.Polish

Cited by

1 results in Mathlib

Foundations

Depth 154 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

Countable