What is abstraction?

Question

I thought it had something to do with math

Answer 1

The DRY-principle is the most important reason for abstraction...

Answer 2

Rstar Abstraction is such an important principle, I think we definitely need more threads about it... maybe I will start my own.

Answer 3

https://www.sololearn.com/discuss/892605/?ref=app
https://www.sololearn.com/discuss/874479/?ref=app
https://www.sololearn.com/discuss/1747/?ref=app
https://www.sololearn.com/discuss/1363719/?ref=app
https://www.sololearn.com/discuss/493986/?ref=app
https://www.sololearn.com/discuss/1012247/?ref=app
https://www.sololearn.com/discuss/1119592/?ref=app
https://www.sololearn.com/discuss/264664/?ref=app

Answer 4

https://en.m.wikipedia.org/wiki/Abstraction_(computer_science)