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| Probabiliorism | |
|---|---|
| Name | Probabiliorism |
| Origin | Scholastic theology |
| Era | Early Modern period |
| Main subjects | Catholic moral theology |
Probabiliorism is a position in Catholic moral theology and scholastic ethics concerning the resolution of moral doubt, advocating action only when the weight of authoritative opinion favors its lawfulness. It arises within debates over conscience, casuistry, and moral responsibility and has been discussed by theologians, philosophers, and canonists across Europe.
Probabiliorism holds that when moral doubt exists regarding the lawfulness of an act, one should follow the more probable opinion favoring the law or the safer course, rather than an easier less probable opinion; this principle interacts with doctrines discussed by Thomas Aquinas, Francisco Suárez, Luis de Molina, Martin Luther, and John Duns Scotus. The approach depends on weighing authoritative sources such as decisions from the Council of Trent, rulings from the Congregation for the Doctrine of the Faith, casuistic opinions in works by Bernardino Telesio, and commentaries by authors like Gasper Contarini and Jacques-Bénigne Bossuet. In practical terms, proponents reference manuals used in seminaries at institutions like the University of Paris, the University of Salamanca, the University of Louvain, and the Pontifical Gregorian University to adjudicate conflicts between opinions attributed to figures such as Robert Bellarmine, Dominican Order theologians, or members of the Jesuit Order.
The doctrine evolved amid controversies involving sixteenth- and seventeenth-century disputes among schools represented by Tomás de Mercado, Diego de Covarrubias, Gabriel Vásquez, Pedro de Ribadeneira, and defenders in works circulated in Rome, Lisbon, Antwerp, and Seville. Early expressions relate to medieval disputations in contexts including the University of Oxford, the University of Cambridge, the University of Bologna, and the University of Salamanca where scholastic methods engaged texts by Aristotle translated by William of Moerbeke and commented on by Albertus Magnus. During the Counter-Reformation, debates intensified with interventions from papal figures such as Pope Paul V, Pope Urban VIII, and episcopal decisions recorded in provincial synods in Toledo, Milan, and Cologne; the controversy also drew responses from lay scholars in the Republic of Venice and pamphleteers in Paris and Amsterdam.
Probabiliorism builds on natural law arguments articulated by commentators like Thomas Aquinas and later scholastics such as Francisco Suárez and Gianfrancesco Pico della Mirandola, while engaging epistemological themes from René Descartes, John Locke, and David Hume concerning belief and certainty. It presumes a notion of moral obligation informed by canonical collections like the Decretum Gratiani and systematic syntheses seen in the works of Thomas Cajetan, Hugo Grotius, and Antonio Escobar y Mendoza. The method appeals to evidentiary hierarchies present in decisions by the Roman Rota and theological judgments by the Congregation of the Index, and it interacts with pastoral practice recorded in manuals produced at seminaries in Munich, Vienna, and Bruges.
Compared with probabilism defended by authors associated with the Jesuit Order such as Luis de Molina and defenders like Tommaso Tamburini, Probabiliorism insists on privileging the more probable opinion rather than any probable opinion; this contrasts with rigorist tendencies exemplified by writers in the Jansenist movement and with laxist positions criticized in pamphlets circulated during controversies involving figures like Blaise Pascal and Antoine Arnauld. In relation to deontological frameworks advanced by Immanuel Kant and consequentialist theories articulated by Jeremy Bentham and John Stuart Mill, Probabiliorism remains committed to authoritative sources and tradition exemplified by decisions in the Holy Office and pastoral letters from bishops in dioceses such as Milan and Cologne.
In pastoral contexts and confessional practice, Probabiliorism informs guidance given by confessors trained at institutions such as the Pontifical Lateran University and seminaries under bishops like those of Lyon and Wrocław, often referencing case studies from manuals by Thomas White, Gian Lorenzo Bernini (patronage networks), and canonical opinion collections circulating in Venice and Rome. Applications appear in debates over usury addressed by economists in Florence and legislators in London and in medical ethics discussions involving practitioners at hospitals affiliated with Oxford University Hospitals, Charité – Universitätsmedizin Berlin, and the Hôpital de la Salpêtrière. The approach has been invoked in legal moral dilemmas adjudicated in courts such as the Sacra Rota Romana and in advisory opinions produced by episcopal conferences in Poland, Spain, and Argentina.
Critics include proponents of probabilism linked to the Jesuit Order and scholars influenced by Enlightenment thinkers like Voltaire and Denis Diderot, who argued that Probabiliorism could lead to excessive scrupulosity and impede pastoral charity; opponents include analysts publishing in journals associated with universities like Leiden University, Harvard University, and King's College London. Debates also engage modern ethicists influenced by Alasdair MacIntyre, John Rawls, and Stanley Hauerwas, and canonists referencing revisions in codifications such as the 1917 Code of Canon Law and the 1983 Code of Canon Law. Contemporary exchanges occur in academic settings at the Pontifical Gregorian University, conferences hosted by the International Theological Commission, and symposia in cities like Rome, Paris, and New York.
Category:Catholic moral theology Category:Ethical theories