Theorems · Theorem · general topology
Iic_mem_nhdsSet_Iic_iff
∀ {α : Type u_1} [inst : LinearOrder α] [inst_1 : TopologicalSpace α] [OrderTopology α] {a b : α}
[(nhdsWithin b (Set.Ioi b)).NeBot], Set.Iic a ∈ nhdsSet (Set.Iic b) ↔ b < a- Defined in
- Mathlib.Topology.Order.NhdsSet
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 80 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites15
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement · cited by 53,352
- TopologicalSpacestatement and proof · cited by 24,529
- LinearOrderstatement and proof · cited by 8,572
- Filterstatement · cited by 8,121
- nhdsWithinstatement and proof · cited by 1,912
- Set.Ioistatement and proof · cited by 1,463
- OrderTopologystatement and proof · cited by 1,355
- Set.Iicstatement and proof · cited by 1,111
- Filter.NeBotstatement and proof · cited by 853
- LT.lt.trans_leproof · cited by 678
- nhdsSetstatement · cited by 267
- Set.Subset.rflproof · cited by 255
Cited by1
Results whose statement or proof uses this declaration.
- Ici_mem_nhdsSet_Ici_iffproof · cited by 0