The Ambiguity of Being : The Catholic University of America Press : 9780813238043 : 0813238048 : 12 Jan 2024 : The debate in Catholic theology over the relationship between the natural and the supernatural has only occasionally engaged with Bernard Lonergan's philosophical and theological contributions on the topic. The Ambiguity of Being argues that more detailed engagement with Lonergan's work implies an oversight in both the 20th- and 21st-century debates. Ambiguity argues the controversy has failed to notice how the problem of the natural and the supernatural is, in fact, two problems. Ambiguity takes both problems in their widest sense to be about action-both divine and human. The first problem asks how God can act in human action. A question for Christians at least since St. Augustine faced the Pelagian controversy, Lonergan retrieved what he understood to be St. Thomas Aquinas' mature solution. It is a solution gathering together a whole series of theological and philosophical d