/caterwaul/Monoid/Commutative/extractSemigroup
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let kCat = ../../Category/Cat/semigroupal
let vObject = Type
in λ(object : Kind) →
λ(cat : ../../Category/Monoidal/Kind kCat vObject object) →
λ(m : object) →
λ(monoid : ./Type object cat m) →
monoid.{ product }
: ../../Semigroup/Type
object
(../../Category/Monoidal/extractSemigroupal kCat vObject object cat)
m