Re:Monads for functional programming (1995) [pdf]
by CMCDragonkai on Sunday May 13, 2018 @12:42AM
(#17057388)
I tried to understand operads before. But I got sidetracked by graphical linear algebra: https://graphicallinearalgebra.net/
http://categoricaldata.net/operadics/OperadicSoS.pdf