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Theorems · Theorem · general topology

codiscreteWithin_le_codiscrete_inf_principal

∀ {X : Type u_1} [inst : TopologicalSpace X] (s : Set X),
  Filter.codiscreteWithin s ≤ Filter.codiscrete X ⊓ Filter.principal s
Defined in
Mathlib.Topology.DiscreteSubset
Cited by
1 results in Mathlib
Foundations
Depth 77 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpace
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Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

IsCompact.codiscreteWithin_eq · cited by 1IsCompact.codiscreteWithi…Set · cited by 53352SetTopologicalSpace · cited by 24529TopologicalSpaceFilter · cited by 8121FilterFilter.principal · cited by 740Filter.principalFilter.codiscreteWithin · cited by 87Filter.codiscreteWithinFilter.codiscrete · cited by 34Filter.codiscretecodiscreteWithin_le_codiscret…CITED BYCITES

Cites6

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Cited by1

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