John Calvin and what we know as the 5 points of Calvinism are frequently debated during Calvinism vs Arminianism conversations. When someone asks, what is Calvinism, no matter if they are referring to the five points of Calvinism or the 4 points of Calvinism, the question need to so be answered using the Bible as our authority. In this video, Pastor Nelson with Bible Munch defines the 5 points of Calvinism, the 4 points of Calvinism, and the meaning of the acronym TULIP.