Mathlib Map

Theorems · Inductive type · general topology

Filter.IsCountableBasis

{α : Type u_1} → {ι : Type u_4} → (ι → Prop) → (ι → Set α) → Prop

IsCountableBasis p s means the image of s bounded by p is a countable filter basis.

Defined in
Mathlib.Order.Filter.CountablyGenerated
Cited by
2 results in Mathlib
Foundations
Depth 1 from the axioms · uses no axioms

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites1

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

  • Setstatement · cited by 53,352

Cited by4

Results whose statement or proof uses this declaration.