When Calvinists argue against the conceptual validity of libertarian freedom, they undermine their own theology of God. First, let’s clear up some terminology. Libertarian freedom, according to Robert Kane, has two main components: “We believe we have free will when (a) it is ‘up to us’ what we choose from an array of alternative possibilities and (b) the origin or source of our choices and actions is in us and not in anyone or anything