I found this site in my history and decided to check back on it
and I tried making an account but the email was in use!
And I remembered asking a question like a year ago.
Well, I'll be here trying to improve my math skills :3
What would you like to do about that? Close that account?
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.