New ask Hacker News story: Ask HN: How does one develop abstract thinking for math and computer science?

Ask HN: How does one develop abstract thinking for math and computer science?
3 by equilibrium | 2 comments on Hacker News.
I'm working through introductory CS and Discrete Mathematics courses on my own and I've come to notice that I have difficulty thinking abstractly. Any words of advice on how to develop my abstract thinking abilities?