Theorems · Theorem · general topology
eq_of_germ_isConstant
∀ {X : Type u_1} {Y : Type u_2} [inst : TopologicalSpace X] {f : X → Y} [i : PreconnectedSpace X],
(∀ (x : X), (↑f).IsConstant) → ∀ (x x' : X), f x = f x'- Defined in
- Mathlib.Topology.Germ
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 68 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- TopologicalSpacestatement and proof · cited by 24,529
- nhdsstatement · cited by 5,554
- Filter.Germ.ofFunstatement and proof · cited by 73
- PreconnectedSpacestatement and proof · cited by 64
- Filter.Germ.IsConstantstatement and proof · cited by 9
- IsLocallyConstant.apply_eq_of_isPreconnectedproof · cited by 5
- preconnectedSpace_iff_univproof · cited by 2
- IsLocallyConstant.of_germ_isConstantproof · cited by 1
Cited by1
Results whose statement or proof uses this declaration.
- eq_of_germ_isConstant_onproof · cited by 0