yogsototh/category-theory-presentation
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity
category-theory-presentation/categories/30_How/200_Monads/130_Monads_are_just_Monoids.md
Yann Esposito (Yogsototh) 60135c8697 initial commit see my ykeynote repo for history
2013-02-28 16:49:12 +01:00

336 B
Raw Blame History

Monads are just Monoids

A Monad is just a monoid in the category of endofunctors, what's the problem?

The real sentence was:

All told, a monad in X is just a monoid in the category of endofunctors of X, with product × replaced by composition of endofunctors and unit set by the identity endofunctor.