MacIntyre's CatastropheIncoming Links📙 Reading Alasdair MacIntyre’s After VirtueMacIntyre's Catastrophe is not the Protestant Reformation, nor is it Protestantism combined with Jansenism, rather it is the whole process of that turn from natural Teleology to theological voluntarism and nominalism—the foundation of which is typically attributed to William of Ockham—that leads to the voluntarist theologies of Luther, Calvin, and Jansen.