Theorems · Theorem · general topology
nhds_top_basis_Ici
∀ {α : Type u} [inst : TopologicalSpace α] [inst_1 : LinearOrder α] [inst_2 : OrderTop α] [OrderTopology α]
[Nontrivial α] [DenselyOrdered α], (nhds ⊤).HasBasis (fun a => a < ⊤) Set.Ici- Defined in
- Mathlib.Topology.Order.Basic
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 69 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites16
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- TopologicalSpacestatement and proof · cited by 24,529
- Top.topstatement and proof · cited by 9,680
- LinearOrderstatement and proof · cited by 8,572
- nhdsstatement · cited by 5,554
- Nontrivialstatement and proof · cited by 2,416
- Set.Ioiproof · cited by 1,463
- OrderTopologystatement and proof · cited by 1,355
- Set.Icistatement and proof · cited by 1,070
- Filter.HasBasisstatement · cited by 604
- OrderTopstatement and proof · cited by 493
- DenselyOrderedstatement and proof · cited by 471
- exists_betweenproof · cited by 102
Cited by1
Results whose statement or proof uses this declaration.
- EReal.nhdsWithin_topproof · cited by 1