Existential Thomism
| Principal names | Étienne Gilson, Cornelio Fabro; allied in part with Jacques Maritain |
|---|---|
| Central claim | Esse as act; real distinction of essence and existence in creatures |
| Doctrinal status | Theological-philosophical school |
| Typical contrast | Against essentialist or purely conceptualist manuals |
Existential Thomism is the twentieth-century retrieval of Saint Thomas Aquinas that takes the act of existing (esse) as the central metaphysical principle, arguing that some later scholastic presentations had reduced Thomism to a philosophy of essences. It is a school of interpretation, not a defined doctrine of the Church.[1]
Esse as the heart of Thomas's metaphysics
Existential Thomists hold that Thomas's decisive insight is the real distinction, in every creature, between essence and the act of existing, with God as ipsum esse subsistens. Creatures participate in being; they do not contain existence as a constituent on the same level as genus and difference. This reading claims to recover Thomas against both Avicennian essentialism and later scholastic habits of treating being as a concept among concepts.
The school is 'existential' in a metaphysical sense. It does not baptize atheistic existentialism, nor does it make human anxiety the starting point of philosophy. Gilson in particular insisted that Thomas's existentialism is an account of the act of being, reached through the study of ens, not a mood. Confusion of the two uses of the word has caused unnecessary scandal and unnecessary fashion.
Gilson, Fabro, and allied voices
Étienne Gilson argued as a historian-philosopher that medieval Christian philosophy must be read in its own register, and that Thomas's metaphysics of existence distinguishes him from both Aristotle and later essentialist Thomists. Cornelio Fabro developed the theme of intensive esse and participation, in conversation with Plato, Aristotle, and, more controversially, Kierkegaard. Jacques Maritain's degrees of knowledge and his treatment of esse as act belong in the same family without being identical with Gilson's historical program.[2]
These authors disagreed among themselves. Maritain remained more systematic and politically engaged; Gilson more historical; Fabro more speculative and concerned with the modern forgetting of being. 'Existential Thomism' is therefore a family resemblance, not a manifesto signed by all three. Exact citation is required.
Debate with commentatorial and transcendental readings
Existential Thomists often criticized Cajetan's analogy and the later manuals for treating essence as the primary object and existence as a fact added to it. Defenders of the commentatorial tradition reply that Cajetan and John of St. Thomas already possessed a doctrine of act and that the existential school sometimes reads modern concerns into thirteenth-century texts. The debate is intramural and unresolved by the Magisterium.
The school also distinguished itself from transcendental Thomism, which begins from the dynamism of the intellect. For existential Thomists, metaphysics begins with ens, not with the conditions of possibility of judgment. Both families claim Thomas. The Church has not chosen between them. She has commended Thomas's realism and the study of being, which both claim to serve.
Catholic evaluation
The Church teaches that God is the living God, Creator of all that exists, and that creatures are not God. Existential Thomism offers a metaphysical grammar for that faith. It does not replace the Catechism. Where it recovers Thomas's texts and the dependence of creatures on the Creator, it serves Catholic doctrine. Where it becomes a party slogan against other Catholic philosophers, it exceeds its brief.[3]
Fides et Ratio encourages a philosophy of being open to metaphysics. That encouragement supports existential Thomism without canonizing Gilson's every historical claim or Fabro's every speculative development. The school remains a distinguished modern way of being a Thomist, accountable to the Leonine text of Thomas and to the Magisterium.[4][5]
References
- Back to citation Pius XI, Studiorum Ducem — Encyclical on Aquinas as Common Doctor, the harmony of faith and reason, and the Church's continuing commendation of his doctrine and method.
- Back to citation Benedict XVI, general audience on Saint Thomas Aquinas, 2 June 2010 — Papal catechesis on Thomas's Dominican vocation, studies, teaching, use of Aristotle, and holiness of intellect.
- Back to citation Catechism of the Catholic Church, 36–43 and 159 — Authoritative teaching on natural knowledge of God, analogical language, and the harmony of faith and reason.
- Back to citation John Paul II, Fides et Ratio — Encyclical on faith and reason, Aquinas as a model of Christian philosophy, and legitimate philosophical plurality under the Magisterium.
- Back to citation Catholic Encyclopedia (1913), Thomism — Public-domain historical account of Thomist principles, commentators, schools, and the Leonine restoration.