Earth is flat.

: Proof?

Let's try it with an equivalent claim:

"2+2=4"

"Proof?"

I don't need to prove that for it to be true. It is true.

I never claimed I have proven anything. This is not a peer reviewed academic journal, I have no duty to provide proof. I have a duty to be right and I am.

Edited 8/18/2017 19:02:02