Mathlib Map

Structures · Algebra

CommMonoidWithZero

A type M is a commutative “monoid with zero” if it is a commutative monoid with zero element, and 0 is left and right absorbing.

Defined in
Mathlib.Algebra.GroupWithZero.Defs
Shape
One type argument · adds zero_mul, mul_zero

Extends2

Extended by3

Forgetful instances

Provided automatically by

Concrete types that are instances21

  • Nat
  • Real
  • SeparationQuotient
  • NNReal
  • EReal
  • DirectLimit
  • Localization
  • OreLocalization
  • Cardinal
  • Associates
  • ValuativeRel.ValueGroupWithZero
  • Subtype
  • Prod
  • OrderDual
  • Set.Elem
  • ULift
  • Lex
  • ContinuousMap
  • WithTop
  • WithBot
  • WithZero

How is a type an instance?

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Assumed by1,031

Ancestors25