Theorems · Theorem · general topology
WithZeroTopology.nhds_eq_update
∀ {Γ₀ : Type u_2} [inst : LinearOrderedCommGroupWithZero Γ₀],
nhds = Function.update pure 0 (⨅ γ, ⨅ (_ : γ ≠ 0), Filter.principal (Set.Iio γ))- Cited by
- 1 results in Mathlib
- Foundations
- Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites13
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Filterstatement and proof · cited by 8,121
- nhdsstatement · cited by 5,554
- iInfstatement and proof · cited by 1,690
- Set.Iiostatement and proof · cited by 1,166
- Filter.principalstatement and proof · cited by 740
- LinearOrderedCommGroupWithZerostatement and proof · cited by 528
- Function.updatestatement and proof · cited by 502
- sup_of_le_rightproof · cited by 143
- Filter.le_principal_iffproof · cited by 87
- le_iInf₂proof · cited by 67
- zero_lt_iffproof · cited by 29
- WithZeroTopology.topologicalSpacestatement · cited by 27
Cited by1
Results whose statement or proof uses this declaration.
- WithZeroTopology.nhds_zeroproof · cited by 2