Now, there's no way to be sure that you had access to Muslim scholarship on this topic. But one of your diagrams is so similar to a proof found in an Islamic mathematics treatise that it's almost impossible you didn't have access to it. Even the letters on the diagram are almost the same, so at least I can tell my mom that when she asks why I'm not a doctor and a lawyer and the guy who discovered the heliocentric solar system. Best wishes, John Green. Alright, so now having spent the last several minutes telling you why the Renaissance happened in Italy and not in, I don't know, like India or Russia or whatever, I'm going to argue that the Renaissance did not in fact happen. Let's start with the problem of time. The Renaissance isn't like the Battle of Hastings or the French Revolution, where people were aware that they were living amid history.