AddSubsemigroup.topologicalClosure

{M : Type u_3} →
  [inst : TopologicalSpace M] →
    [inst_1 : AddSemigroup M] → [SeparatelyContinuousAdd M] → AddSubsemigroup M → AddSubsemigroup M

The (topological-space) closure of an additive submonoid of a space M with ContinuousAdd is itself an additive submonoid.

Defined in: Mathlib.Topology.Algebra.Monoid
Cited by: 5 results in Mathlib
Foundations: Depth 80 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: TopologicalSpace AddSemigroup SeparatelyContinuousAdd

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