Theorems · Definition · general topology
ShrinkingLemma.PartialRefinement.chainSupCarrier
{ι : Type u_1} →
{X : Type u_2} →
[inst : TopologicalSpace X] →
{u : ι → Set X} → {s : Set X} → {p : Set X → Prop} → Set (ShrinkingLemma.PartialRefinement u s p) → Set ιThe carrier of the least upper bound of a non-empty chain of partial refinements is the union of their carriers.
- Defined in
- Mathlib.Topology.ShrinkingLemma
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 6 from the axioms · uses no axioms
- Assumes
- TopologicalSpace
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
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
- Set.iUnionproof · cited by 2,483
- ShrinkingLemma.PartialRefinementstatement and proof · cited by 21
- ShrinkingLemma.PartialRefinement.carrierproof · cited by 15
Cited by2
Results whose statement or proof uses this declaration.
- ShrinkingLemma.PartialRefinement.chainSupproof · cited by 3
- ShrinkingLemma.PartialRefinement.mem_find_carrier_iffstatement and proof · cited by 1