Theorems · Theorem · general topology
generateFrom_iUnion
∀ {α : Type u} {ι : Sort v} {f : ι → Set (Set α)},
TopologicalSpace.generateFrom (⋃ i, f i) = ⨅ i, TopologicalSpace.generateFrom (f i)- Defined in
- Mathlib.Topology.Order
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 64 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
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
- TopologicalSpacestatement · cited by 24,529
- Set.iUnionstatement · cited by 2,483
- iInfstatement · cited by 1,690
- TopologicalSpace.generateFromstatement · cited by 62
- GaloisConnection.u_iInfproof · cited by 40
- TopologicalSpace.gc_generateFromproof · cited by 6
Cited by1
Results whose statement or proof uses this declaration.
- TopologicalSpace.secondCountableTopology_iInfproof · cited by 1