GroupFilterBasis.N

{G : Type u} → [inst : Group G] → GroupFilterBasis G → G → Filter G

The neighborhood function of a GroupFilterBasis.

Defined in: Mathlib.Topology.Algebra.FilterBasis
Cited by: 3 results in Mathlib
Foundations: Depth 62 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Group

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