None of this has a point. We’re talking over a shitpost rant about common use of math symbols. Even the conclusion boils down to it being a context dependent matter of preference. I’m just disagreeing that the original question as posed should be interpreted with weak juxtaposition.
I’m pretty sure cow is the species common name and bull/heffer are the sex variant terms.
You know, like how a rooster and a hen are both still chickens?