Theorems · Theorem · order theory
SuccOrder.isSuccLimit_of_mem_frontier
∀ {α : Type u_1} [inst : LinearOrder α] [inst_1 : TopologicalSpace α] [OrderTopology α] [SuccOrder α] [NoMaxOrder α]
{a : α} {s : Set α}, a ∈ frontier s → Order.IsSuccLimit a- Defined in
- Mathlib.Topology.Order.SuccPred
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 91 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites11
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 and proof · cited by 24,529
- LinearOrderstatement and proof · cited by 8,572
- OrderTopologystatement and proof · cited by 1,355
- SuccOrderstatement and proof · cited by 574
- NoMaxOrderstatement and proof · cited by 340
- Order.IsSuccLimitstatement · cited by 255
- frontierstatement and proof · cited by 214
- Iff.not_leftproof · cited by 49
- frontier_eq_closure_inter_closureproof · cited by 12
- SuccOrder.isOpen_singleton_iffproof · cited by 3
Cited by1
Results whose statement or proof uses this declaration.
- Ordinal.isSuccLimit_of_mem_frontierproof · cited by 0