"What kind of a proof? It's a proof. A proof is a proof. And when you have a good proof, it's because it's proven." - Jean Chretien https://www.youtube.com/wat

"What kind of a proof? It's a proof. A proof is a proof. And when you have a good proof, it's because it's proven." - Jean Chretien https://www.youtube.com/watch?v=aX6XMIldkRU https://www.youtube.com/watch?v=aX6XMIldkRU