Ryle's regress

Ryle's regress. It is a philosophical argument introduced by Gilbert Ryle in his 1949 work The Concept of Mind. The regress is a critical objection to a certain model of mental explanation, often termed "intellectualism" or the "intellectualist legend." Ryle's primary target was the Cartesian view of the mind, which he famously caricatured as the myth of the "ghost in the machine." The argument aims to demonstrate that explaining intelligent action by positing an internal mental operation leads to a vicious infinite regress, thereby rendering the explanation logically incoherent.

Overview

The regress emerges from Ryle's broader critique of what he considered a category mistake in understanding mental conduct. He argued that philosophers like René Descartes and later Immanuel Kant had misconstrued the logic of mental concepts. In The Concept of Mind, Ryle sought to dismantle the dogma that intelligent performance must be preceded by an intellectual act of contemplating a rule or proposition. This dogma, central to the rationalist tradition, was seen as an attempt to explain practical knowledge through theoretical knowledge. Ryle's work positioned him against the prevailing analytic philosophy of his time, which was heavily influenced by the logical positivism of the Vienna Circle and thinkers like Ludwig Wittgenstein.

The regress argument

Ryle's regress specifically challenges the idea that an action, such as playing chess intelligently or understanding a joke, is intelligent because it is guided by an internal act of considering a rule or maxim. For instance, if one must first think of the rules of chess before making a move, then that very act of thinking would itself need to be guided by another rule about how to think of rules. This would initiate an endless chain of required prior intellectual acts. The regress is structurally similar to other problematic regresses in philosophy, such as those found in certain interpretations of Plato's theory of forms or in debates about causal explanation. Ryle contended that this model mistakenly places the source of intelligence in a hidden, ghostly cause rather than in the publicly observable, dispositional nature of the agent's behavior and capacities.

Responses and interpretations

Several major philosophers have engaged with Ryle's regress. Wilfrid Sellars addressed it in his discussion of psychological nominalism, while Hubert Dreyfus used it to critique artificial intelligence research and the computational theory of mind. Some responses, like those from John McDowell or Robert Brandom, have attempted to refine the notion of rule-following without triggering the regress, often drawing on later work by Wittgenstein from Philosophical Investigations. Critics from the cognitive science community, such as Jerry Fodor, have argued that the regress does not invalidate representational theories, as cognitive processes can be sub-personal and non-intellectual. The debate also touches on issues in epistemology and the philosophy of action theory.

Relation to other philosophical issues

The regress is deeply connected to core problems in the philosophy of mind and epistemology. It intersects with the mind–body problem, the nature of consciousness, and debates between behaviorism and mentalism. It also relates to the problem of the criterion in epistemology and regress arguments concerning justification. In moral philosophy, analogous regresses appear in discussions of whether moral action requires a prior act of moral deliberation. Furthermore, the argument has implications for understanding skill acquisition and expertise, topics explored by philosophers like Alasdair MacIntyre and within the Aristotelian tradition of virtue ethics.

Influence and legacy

Ryle's regress has had a lasting impact across multiple disciplines. Within analytic philosophy, it strengthened the case for logical behaviorism and influenced the ordinary language philosophy of J. L. Austin. It provided a foundational critique for phenomenological challenges to cognitivism, as seen in the work of Maurice Merleau-Ponty. In computer science and artificial intelligence, the regress is a staple in arguments against symbolic AI and for embodied cognition, notably in the Heideggerian critique presented by Dreyfus. The argument remains a standard reference in contemporary discussions of philosophical logic, cognitive psychology, and the limits of computational models of the mind.

Category:Philosophical arguments Category:Philosophy of mind Category:Gilbert Ryle