let kCat = ../../Category/Cat/semigroupal

let vObject = Type

let object = Type

let cat =
      ../../Category/Monoidal/Cartesian/extractMonoidal
        kCat
        vObject
        object
        ../../Category/Set/monoidal/cartesian

in  λ(m : object) →
    λ(group : ./Type m) →
      group.{ unit, inverse, product } : ../Commutative/Type object cat m