Mathlib Map

Structures · Analysis

SeminormedAddGroup

A seminormed group is an additive group endowed with a norm for which dist x y = ‖-x + y‖ defines a pseudometric space structure.

Defined in
Mathlib.Analysis.Normed.Group.Defs
Shape
One type argument · adds dist_eq

Extends3

Extended by2

Forgetful instances

Every SeminormedAddGroup is also a

Provided automatically by

Concrete types that are instances6

  • Subtype
  • Prod
  • OrderDual
  • ULift
  • MulOpposite
  • Additive

How is a type an instance?

Loading the hierarchy index…

Assumed by324

Ancestors54