I join to the forum to find same answer about math.
Welcome. What can I help you with?
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.
Welcome to the forum!
Character is who you are when no one is looking.
Welcome Arty. Feel free to ask.