Theorems · Theorem · general topology
image_eq_one_of_notMem_mulTSupport
∀ {X : Type u_1} {α : Type u_2} [inst : One α] [inst_1 : TopologicalSpace X] {f : X → α} {x : X},
x ∉ mulTSupport f → f x = 1- Defined in
- Mathlib.Topology.Algebra.Support
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 63 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- OneTopologicalSpace
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 · cited by 53,352
- TopologicalSpacestatement and proof · cited by 24,529
- mulTSupportstatement and proof · cited by 41
- Function.mulSupport_subset_iff'proof · cited by 10
- subset_mulTSupportproof · cited by 6
Cited by2
Results whose statement or proof uses this declaration.
- HasCompactMulSupport.is_one_at_inftyproof · cited by 1
- contMDiffWithinAt_of_notMem_mulTSupportproof · cited by 1