> Relatively common even outside Haskell? It's common throughout mathematics. So common, in fact, that there's even a wikipedia article on the phenomenon[0].

> Relatively common even outside Haskell? It's common throughout mathematics. So common, in fact, that there's even a wikipedia article on the phenomenon[0]. “Common examples occur when speaking of compound mathematical objects. […] Similarly, one often refers to a group (G, \star) as simply G when the group operation is clear from context.” [0] https://en.wikipedia.org/wiki/Abuse_of_notation https://en.wikipedia.org/wiki/Abuse_of_notation