The Metaphysical Presuppositions of Being-in-the-World brings St. Thomas Aquinas and Martin Heidegger into dialogue and argues for the necessity of Christian philosophy. Through the confrontation of Heideggerian and Thomist thought, it offers an original and comprehensive rethinking of the nature of temporality and the origins of metaphysical inquiry. The book is a careful treatment of the inception and deterioration of the four-fold presuppositions...