The term contingency (from the Latin contingere, “to happen,” “to befall,” “to be able to be or not to be”) designates the character of that which does not exist by necessity and which could be otherwise, or might not exist at all. In metaphysics, contingency characterizes beings whose existence is not contained within their essence and which depend upon a cause other than themselves in order to exist.
More particularly
The notion of contingency is opposed to that of necessity. What is necessary cannot not be; what is contingent could either not be or be otherwise than it is. Contingency therefore does not mean the absence of reason or mere arbitrariness, but rather the absence of intrinsic necessity.
Common experience reveals that most of the realities surrounding us are contingent. Living beings are born and die; civilizations arise and disappear; even the stars themselves have an origin and an end. Nothing in their nature absolutely requires that they exist.
Classical philosophy sees in this contingency one of the clearest signs of the dependence of created beings. If a thing exists although it might not have existed, its existence requires an explanation. It cannot be the sufficient reason for its own being. It therefore points beyond itself to a cause that confers existence upon it.
This reflection leads to the fundamental distinction between essence and existence. In contingent beings, what a thing is does not suffice to explain that it is. The essence of a man, a tree, or a mountain does not contain within itself the reason for its existence. According to St. Thomas Aquinas, this composition of essence and existence is one of the fundamental marks of creaturehood.
Contingency thus plays a central role in the metaphysical demonstrations of the existence of God. If everything that exists were contingent, one would still have to explain why there is something rather than nothing. The series of contingent beings, even if indefinitely extended, cannot by itself provide the ultimate reason for its own existence. It therefore leads to the affirmation of a being that exists necessarily and possesses within itself the reason for its existence.
This necessary being is not merely a being more powerful or older than others; it belongs to an entirely different order. Whereas contingent beings receive existence, the necessary being is Being itself, whose essence is to exist. In the classical metaphysical tradition, this necessary being is identified with God.
Contingency, however, should not be understood as an absolute imperfection. It certainly expresses dependence, but also openness. Because contingent beings do not possess their being from themselves, they are able to receive, participate in, and reflect perfections that transcend them. Their contingency is thus the very condition of their participation in a higher order.
This dependence confers upon contingent beings a genuine ontological transparency. Since they are not their own foundation, they necessarily point beyond themselves. Their existence does not terminate in themselves but signifies, as a sign signifies its meaning, the principle from which they proceed. Contingency is therefore not merely a logical or metaphysical property; it also possesses a symbolic significance.
In the traditional perspective, contingency thus grounds the symbolic dimension of the cosmos. What is contingent does not find its ultimate explanation within itself; it refers to something beyond itself. Every being thereby becomes a trace, vestige, or symbol of the principle upon which it depends. The world appears as a fabric of signs whose ultimate intelligibility resides in their transcendent source.
This perspective is closely linked to the doctrine of participation. Contingent beings do not possess being as their own; they participate in it according to their particular mode. They are because they receive being. Their reality is therefore neither illusory nor autonomous: it is real precisely because it participates in a higher reality upon which it continually depends.
Contingency also helps to illuminate the deeper meaning of theophany. Although created beings are not God, they may nevertheless manifest something of His perfections. Their beauty, order, truth, and goodness bear analogical witness to their source. The contingent thus becomes the very place where the Infinite may reveal itself—not through identity, but through participation and symbol.
Modern thought has often reduced contingency to chance or accident. Yet a contingent being is not necessarily fortuitous. It may perfectly well belong to an intelligible order, a purpose, or a providential design while remaining non-necessary in its existence. Contingency concerns the ontological dependence of beings, not their greater or lesser predictability.
Contingency thus emerges as one of the most fundamental notions in metaphysics. It makes it possible to understand the dependence of the world upon its principle, the distinction between created beings and Absolute Being, and the openness of every finite reality toward that which grounds, sustains, and transcends it.
See also: Absolute, Cause, Creation, Essence, Being, Existence, Necessity, Participation, Principle, Symbol, Theophany.
Further Reading
• Aristotle, Metaphysics, Book V.
• Avicenna, The Book of Healing (Kitāb al-Shifāʾ), Metaphysics.
• Thomas Aquinas, Summa Theologiae, I, q. 2, a. 3; De ente et essentia.
• Gottfried Wilhelm Leibniz, Principles of Nature and Grace, Based on Reason.
• Étienne Gilson, Being and Essence.
• Jean Borella, The Metaphysics of Symbol (Métaphysique du symbole); The Crisis of Religious Symbolism.
• Wolfgang Smith, The Wisdom of Ancient Cosmology.
• Bruno Bérard, Metaphysics for Everyone, Angelico Press (trans. of Métaphysique pour tous, Paris, L’Harmattan, 2022 ; It. trans. Sui sentieri della metafisica; Sp. trans. ¿Qué es la metafísica?; Ger. trans. Was ist Metaphysik? Zwischen Ambition und Wirklichkeit).