Mathlib Map

Structures · Algebra

AddSubgroup.Normal

An AddSubgroup H is normal if whenever n ∈ H, then g + n - g ∈ H for every g : A [Wikidata Q743179](https://www.wikidata.org/wiki/Q743179)

Defined in
Mathlib.Algebra.Group.Subgroup.Defs
Shape
One type argument · adds conj_mem

Extends0

Extends nothing: this is a root of the hierarchy.

Extended by0

Nothing extends this class yet.

Concrete types that are instances4

  • Subtype
  • Prod
  • AddOpposite
  • HasQuotient.Quotient

How is a type an instance?

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Assumed by158

Ancestors0

No ancestors.