Mathlib Map

Theorems · Definition · functional analysis

Set.zeroOfFactMem

{X : Type u_4} → [inst : Zero X] → (s : Set X) → [Fact (0 ∈ s)] → Zero ↑s

not marked as an instance because it would be a bad one in general, but it can be useful when working with ContinuousMapZero and the non-unital continuous functional calculus.

Defined in
Mathlib.Topology.ContinuousMap.ContinuousMapZero
Cited by
14 results in Mathlib
Foundations
Depth 5 from the axioms · uses no axioms
Assumes
ZeroFact

Around this declaration

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

Cites3

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
  • Set.Elemstatement · cited by 7,166
  • Factstatement and proof · cited by 2,726

Cited by18

Results whose statement or proof uses this declaration.