[SpaceBar]

It’s called abstract algebra. Note carefully the word abstract and in particular its dictionary meaning. Then think about Picasso and how he represented his subject matter on canvas. You should have an “aha” moment.

[dr_lew]

Here's a picture of me reaching to open my copy of an ABSTRACT ALGEBRA text I purchased years ago, and keep close at hand at all times:

... WHEW! That was close !!!