Theorems · Theorem · general topology
eq_of_forall_symmetric
∀ {α : Type u_1} [inst : UniformSpace α] [T0Space α] {x y : α},
(∀ {V : Set (α × α)}, V ∈ uniformity α → SetRel.IsSymm V → (x, y) ∈ V) → x = y- Defined in
- Mathlib.Topology.UniformSpace.Separation
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 85 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- UniformSpaceT0Space
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
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
- Filterstatement · cited by 8,121
- UniformSpacestatement and proof · cited by 2,040
- uniformitystatement and proof · cited by 765
- SetRelproof · cited by 581
- T0Spacestatement and proof · cited by 179
- SetRel.IsSymmstatement and proof · cited by 93
- UniformSpace.hasBasis_symmetricproof · cited by 5
- eq_of_uniformity_basisproof · cited by 1
Cited by1
Results whose statement or proof uses this declaration.
- isClosed_of_spaced_outproof · cited by 2