• Philosophy and Language
    Philosophy Documentation Center. 2011.
    This volume of the Proceedings of the American Catholic Philosophical Association contains a selection of peer-reviewed papers originally presented at the ACPA's 2010 meeting. Language is at the heart of the ability to do philosophy, and this conference explored the use of words and meaning from several perspectives. Contributors include Danial Dahlstrom, Thérèse-Anne Druart, Gene Fendt, Ann Hartle, Daniel Heider, Alasdair MacIntyre, Alexander Pruss, and Michael Wiitala.
  • MacIntyre and Thomism
    In Learning from MacIntyre, . pp. 52-76. 2020.
    Thomists need to learn from and address MacIntyre’s account of moral disagreement, whether or not they will ultimately agree with its broad outlines. First, they should consider that MacIntyre’s emphasis on social roles as an explanation of moral disagreement accounts for only some kinds of moral disagreement and growth. Second, a recognition of different kinds of disagreement shows that only some can be adequately addressed by moral philosophy, and even those that can be so addressed require no…Read more
  • Francisco De Vitoria on the Nature and Source of Civil Authority
    Review of Politics 85 (85): 1-22. 2023.
    Readers have found at least two distinct and perhaps contradictory accounts of civil authority in the works of Francisco de Vitoria, and some hold that Vitoria himself holds contradictory positions. This article argues that Vitoria holds one consistent position, namely that civil power is based on a necessity that is rooted in human nature, and in particular on the final cause of human life, and not on a necessity that is a result of any historical decision or process on its own. Rulers receive …Read more
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    Thomas Aquinas on the Metaphysics of the Human Act by Can Laurens Löwe (review)
    Journal of the History of Philosophy 61 (1): 152-154. 2023.
    In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Thomas Aquinas on the Metaphysics of the Human Act by Can Laurens LöweThomas M. Osborne Jr.Can Laurens Löwe. Thomas Aquinas on the Metaphysics of the Human Act. Cambridge: Cambridge University Press, 2021. Pp. 225. Hardback, $99.99.This book is about the way in which Thomas Aquinas understands the human act to be composed of form and matter. It provides a fresh reading of many central texts from Thomas and addresses philo…Read more
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    Aquinas and the Infused Moral Virtues by Angela McKay Knobel
    Review of Metaphysics 76 (1): 144-146. 2022.
    In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Aquinas and the Infused Moral Virtues by Angela McKay KnobelThomas M. Osborne Jr.KNOBEL, Angela McKay. Aquinas and the Infused Moral Virtues. Notre Dame, Ind.: University of Notre Dame Press, 2021. 214 pp. Cloth, $65.00This book is the first substantial English monograph on Aquinas's account of the infused virtues in many years, and the most significant treatment of the issue since Gabriel Bullet, Vertus morales infuses e…Read more
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    Thomas Aquinas on Virtue
    Cambridge University Press. 2022.
    Thomas Aquinas produced a voluminous body of work on moral theory, and much of that work is on virtue, particularly the status and value of the virtues as principles of virtuous acts, and the way in which a moral life can be organized around them schematically. Thomas Osborne presents Aquinas's account of virtue in its historical, philosophical and theological contexts, to show the reader what Aquinas himself wished to teach about virtue. His discussion makes the complexities of Aquinas's moral …Read more
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    William of Ockham on the Freedom of the Will and Happiness
    American Catholic Philosophical Quarterly 86 (3): 435-456. 2012.
    When viewed in its historical context, Ockham’s moral psychology is distinctive and novel. First, Ockham thinks that the will is free to will for or against any object, and can choose something that is in some sense not even apparently good. The will is free from the intellect’s dictates and from natural inclinations. Second, he emphasizes the will’s independence not only with respect to passions and habits, but also with respect to knowledge, the effects of original sin, grace, and God. Third, …Read more
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    Thomas, Scotus, and Ockham on the Object of Hope
    Recherches de Theologie Et Philosophie Medievales 87 1-26. 2020.
    Thomas Aquinas, John Duns Scotus, and William of Ockham disagree over how and whether virtues are specified by their objects. For Thomas, habits and acts are specified by their formal objects. For instance, the object of theft is something that belongs to someone else, and more particularly theft is distinct from robbery because theft is the open taking of another’s good, whereas robbery is open and violent. A habit such as a virtue or a vice shares or takes the act’s object. For Scotus, althou…Read more
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    the contrast and similarity between Rist and Macintyre can be better understood if we take into account their different interpretations of the Republic, especially their 1) descriptions of the primary problem faced by Plato, 2) their interpretation of Plato’s response to the problem, and 3) their evaluation of the contemporary relevance of the problem and his response. The differences and similarities between the views of MacIntyre and Rist on the Republic reflect much larger difference and si…Read more
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    Aquinas's Ethics
    Cambridge University Press. 2020.
    This Element provides an account of Thomas Aquinas's moral philosophy that emphasizes the intrinsic connection between happiness and the human good, human virtue, and the precepts of practical reason. Human beings by nature have an end to which they are directed and concerning which they do not deliberate, namely happiness. Humans achieve this end by performing good human acts, which are produced by the intellect and the will, and perfected by the relevant virtues. These virtuous acts require th…Read more
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    Thomas Aquinas (d. 1274) held two theses that might seem incompatible to contemporary readers, namely 1) that an act of faith is reasonable even by the standards of human reason without grace, and 2) that this act surpasses the power of such unaided human reason. In the later Middle Ages, many theologians who were not Thomists held that someone who performs acts of infused faith must also perform such acts through an acquired faith that is based on natural reason. I argue that debates with Pro…Read more
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    Virtue
    In Thomas Williams (ed.), The Cambridge Companion to Medieval Ethics, Cambridge University Press. pp. 150-171. 2018.
    The essay on thirteenth-century ethics will trace the history of three major themes in moral philosophy and theology, namely the morality of individual acts, virtue, and happiness. Both Peter Lombard’s rejection of Abelard’s focus on intention and the Fourth Lateran Council’s remarks on confession caused thinkers such as William of Auvergne and Philip the Chancellor to develop a way of classifying acts and determining responsibility for such acts. Thomas Aquinas and clarified and changed the t…Read more
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    Natural Reason and Supernatural Faith
    In Jeffrey P. Hause (ed.), Aquinas’s Summa Theologiae: A Critical Guide, Cambridge University Press. pp. 188-203. 2019.
    Some philosophers seem to argue that faith is or should be produced by arguments, whereas others describe faith as non-rational or even irrational. In the Summa Theologiae, Thomas states that arguments and miracles can show that faith is reasonable, even though unaided reason on its own cannot produce an act of faith. The insufficiency of reason for faith is a necessary condition of faith’s freedom and merit. The explanation of this insufficiency lies in the formal object of faith, which make…Read more
  • Review (review)
    The Thomist 73 506-509. 2009.
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    During the last fifteen years some theologians during have supported their understanding of how unbelievers might be saved by appealing to Thomas Aquinas and the development of his thought in by sixteenth-century Dominicans at Salamanca. These Salamancan Dominicans applied Thomas’ thought in the context of the New World’s discovery. These recent theologians attribute two claims to this tradition: first, that not every unbeliever is guilty of unbelief, and second, that unbelievers can perform…Read more
  • I argue that Diego Alvarez and Thomas de Lemos through their participation in the De auxiliis controversy developed and defended Cajetan’s view of the causation of sin in such a way that they were able to defend the predetermination of the material aspect of sin while at the same time assimilating important aspects from his critics. It is important to recognize that Lemos and his associates hold both that the premotion of sin’s material aspect is not necessarily connected with the Catholic faith…Read more
  • The proliferation of new accounts of infused and acquired virtue in Thomas has brought much welcome attention to his understanding of the relationship between nature and grace. But the very originality of these interpretations has raised a multitude of unanswered questions and difficulties. For any of these accounts to be plausible, they must be accompanied by an account of the way in which Thomas thinks that the specifically one virtue of prudence considers the matter of all virtues, and his st…Read more
  • James of Viterbo's Ethics
    In Antoine Côté & Martin Pickavé (eds.), A Companion to James of Viterbo, Brill. pp. 306-330. 2018.
    James of Viterbo’s ethical writings focus mostly upon happiness and virtue. His basic approach is Aristotelian. Although he is not a Thomist in the sense that some of his contemporary Dominicans were, he frequently quotes or paraphrases Thomas while arguing for his own positions, especially in response to views defended by such figures as Giles of Rome, Godfrey of Fontaines, and Henry of Ghent. James departs from Thomas by arguing that all acquired virtue is based on an ordered self-love. J…Read more
  • Which Essence Is Brought Into Being by the Existential Act?
    The Thomist 81 (4): 471-505. 2017.
    I argue that the essence that is actualized by existence is the essence that is a determinate nature in an individual and not the essence absolutely considered. This essence in individuals has a potential being that is actualized by existence. This thesis has important consequences for the essence/existence distinction in Thomas Aquinas
  • Practical reasoning
    In Brian Davies & Eleonore Stump (eds.), The Oxford handbook of Aquinas, Oxford University Press. 2011.
    Aquinas thinks that practical reason is distinct but not entirely insulated from speculative reason. Although his description of practical reasoning applies to a variety of human activities, his greatest focus is on that practical reasoning which is involved in human action. Although practical reasoning resembles the speculative in its use of a kind of syllogism, its connection with particular affairs precisely as contingent gives it a special character.
  • Natura Pura: Two Recent Works
    Nova et Vetera 11 (1). 2013.
    In two recent books Bernard Mulcahy and Steven Long defend the classical Thomistic understanding of pure nature. They contribute to the longstanding debate over Henri de Lubac’s understanding of the relationship between nature and grace in Thomas Aquinas and the Thomistic tradition. Although Mulcahy and Long criticize de Lubac, they respect his intentions and do not use ad hominem arguments. In order to correctly situate these recent works, it is important to review some elements in the histo…Read more
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    In lieu of an abstract, here is a brief excerpt of the content:Journal of the History of Philosophy 40.1 (2002) 119-121 [Access article in PDF] Book Review Ethics and Political Philosophy The Common Good in Late Medieval Political Thought Arthur Stephen McGrade, John Kilcullen, and Matthew Kempshall, editors. Ethics and Political Philosophy. Vol. 2 of The Cambridge Translations of Medieval Philosophical Texts. New York: Cambridge University Press, 2000. Pp. xii + 664. Cloth, $85.00. Paper, $29.9…Read more
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    Rethinking Anscombe on Causation
    American Catholic Philosophical Quarterly 81 (1): 89-107. 2007.
    Although Elizabeth Anscombe’s work on causation is frequently cited and anthologized, her main arguments have been ignored or misunderstood as havingtheir basis in quantum mechanics or a particular theory of perception. I examine her main arguments and show that they not only work against the Humean causaltheories of her time, but also against contemporary attempts to analyze causation in terms of laws and causal properties. She shows that our ordinary usage does not connect causation with laws,…Read more
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    My argument has three parts. In the first, I shall explain some key Thomist distinctions concerning necessity and premotion. In the second, I shall argue that many philosophers who object to the Thomist position misconstrue the relevant understanding of necessity and contingency. In the third, I shall focus directly on their denial that the doctrine of premotion is helpful for discussions of how God moves the human will. The first two sections illustrate that the Thomists think plausibly tha…Read more
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    Love of God and Love of Self in Thirteenth-Century Ethics
    University of Notre Dame Press. 2005.
    This book treats the thirteenth-century debate concerning the natural love of God over self with an eye to how the thinkers of this period saw the connection between one's own good and the aims of virtuous action. It shows that the main difference in this debate reflects a fundamental contrast between Thomas Aquinas and John Duns Scotus over the importance of natural inclination in Ethics and the priority of the common good. It indicates how medieval thinkers attempted to reconcile eudaimonism …Read more
  • Although Thomas Aquinas and John Duns Scotus disagree over how the acquired moral virtues are connected, the nature of their disagreement is difficult to determine. They and their contemporaries reject the Stoic understanding of this connection, according to which someone either possesses all the acquired moral virtues in the highest degree or none of these virtues at all. Both Thomas and Scotus hold that someone might generally perform just actions and yet be unchaste. Moreover, although th…Read more