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Theorems · Theorem · commutative algebra

isLinearTopology_iff_hasBasis_open_twoSidedIdeal

∀ {R : Type u_1} [inst : Ring R] [inst_1 : TopologicalSpace R] [ContinuousAdd R],
  IsLinearTopology R R ∧ IsLinearTopology Rᵐᵒᵖ R ↔ (nhds 0).HasBasis (fun I => IsOpen ↑I) fun I => ↑I
Defined in
Mathlib.Topology.Algebra.LinearTopology
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Foundations
Depth 77 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
RingTopologicalSpaceContinuousAdd

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