Gilbert Ryle

Quick Facts

• Full name: Gilbert Ryle
• Lived: 1900-1976
• Born: Brighton, England
• Died: Whitby, England
• Main setting: Oxford University
• Main fields: philosophy of mind, ordinary language philosophy, and Analytic Philosophy
• Best-known work: The Concept of Mind (1949)
• Famous ideas: category mistake, "ghost in the machine," dispositions, and knowing-how

The Big Question

Ryle asked: what goes wrong when philosophers picture the mind as a hidden thing inside the body?

His answer was that the picture itself is confused. A person is not a body plus an extra private object called a mind. Talk about believing, deciding, hoping, joking, calculating, or acting intelligently is usually talk about what a person can do, how the person responds, and what patterns show up in conduct over time.

Ryle did not say that pain, thought, and imagination are unreal. He said philosophers misdescribe them when they treat them as ghostly inner items.

In One Minute

Gilbert Ryle was a British Oxford philosopher and a leading figure in ordinary language philosophy, the method of studying how words work in real use.

Ryle's main target was Cartesian dualism, the view associated with Rene Descartes that mind and body are two different kinds of substance. Ryle called this picture the "ghost in the machine": a living body treated like a machine, with a private mental ghost somehow steering it.

His reply was that this is a category mistake. A category mistake happens when we treat one kind of thing as if it belonged to another kind. The mind is not one more object beside the body.

What They Taught

Ryle taught that many mental concepts do not name hidden inner objects. They describe abilities, tendencies, styles of action, and patterns of response.

Take intelligence. A Cartesian picture can make intelligence look like an inner act before the visible act: first the mind silently consults rules, then the body obeys. Ryle called this the intellectualist legend. He thought it gets the order wrong. A chess player, surgeon, dancer, or comedian can act intelligently without first reciting a private theory. The intelligence is visible in the performance: noticing the right feature, adjusting, and correcting course.

This is why Ryle cared about the difference between knowing-that and knowing-how. Knowing-that is knowledge of a fact, such as knowing that Paris is in France. Knowing-how is practical ability, such as knowing how to ride a bike or improvise in conversation. Ryle argued that knowing-how cannot always be reduced to a list of propositions. Someone may state the rules and still perform badly. Someone else may perform well without explaining every rule.

Ryle also used dispositions to explain mental talk. A disposition is a tendency or capacity that shows itself under suitable conditions. Glass is fragile because it is liable to break if struck. A person is irritable because they tend to snap or take offense in certain situations. The disposition is not a little hidden object. It is a pattern in how someone is likely to behave, feel, speak, and react.

This does not mean Ryle reduced the mind to muscle movements. He cared about richer actions: answering a question, keeping a promise, making a joke, hesitating, planning, or pretending. His point was that mental vocabulary has public criteria. We learn words such as "believes," "intends," and "understands" through human life, not by detecting private objects.

Key Ideas With Examples

• Category mistake: treating a concept as if it belonged to the wrong logical type. Example: after seeing a university's libraries, labs, and classrooms, someone asks where the university itself is.

• Ghost in the machine: Ryle's mocking label for the idea that a body is a machine controlled by a private, nonphysical mind. Example: imagining anger as a hidden vapor instead of a way a person may speak, tense up, blame, remember, and act.

• Disposition: a tendency or capacity that appears in relevant circumstances. Example: saying someone knows French means they can usually read, answer, translate, and cope in French-speaking situations.

• Knowing-how: practical competence. Example: knowing how to swim is shown by swimming, adjusting breathing, and staying afloat, not just by stating facts about buoyancy.

• Knowing-that: factual or propositional knowledge. Example: knowing that water boils at 100 degrees Celsius at standard pressure is different from knowing how to boil water safely in a kitchen.

• Intellectualist legend: the mistake of thinking every intelligent action must be guided by a prior inner act of rule-consulting. Example: a skilled driver does not silently recite a traffic manual before every turn.

• Ordinary language philosophy: studying how words are actually used so philosophical theories do not invent fake problems. Example: before asking how a private mind "causes" an action, ask how people distinguish acting on purpose, pretending, trying, and forgetting.

• Philosophical behaviorism: the view, often associated with Ryle, that mental terms are tied to behavior and behavioral tendencies. Ryle's own view is subtler than "only outward behavior exists." He rejected the hidden-thing picture while keeping room for thinking, imagining, pain, and self-description.

Major Works

• The Concept of Mind (1949): Ryle's major book and the classic attack on Cartesian dualism. It argues that the mind is not an extra substance inside the body, explains category mistakes, develops knowing-how, and treats many mental terms as dispositional.

• "Knowing How and Knowing That" (1946): argues that intelligence is not just the possession of true propositions. Skill, judgment, and performance have their own logic.

• Dilemmas (1954): lectures on philosophical conflicts. Ryle shows how some dilemmas come from mixing different ways of talking, then asks what kind of clarification can dissolve them.

• Plato's Progress (1966): Ryle's study of Plato's development. It is less central today than The Concept of Mind, but it shows Ryle applying historical and analytic tools to ancient philosophy.

Why It Matters

Ryle matters because he made a bad picture of the mind easier to spot. When someone imagines a little inner observer, an inner screen, or a second private world behind ordinary action, Ryle asks whether this explains the mind or turns grammar into mythology.

His work also helped make skill philosophically important. Much human intelligence is practical. We know how to read a room, change tone, cook, argue, comfort someone, or repair a mistake. Ryle made it harder to treat intelligence as silent theory plus bodily execution.

Even philosophers who reject Ryle's behaviorist-sounding language often keep part of his lesson: mental life is not sealed off from action, context, training, expression, and public standards.

Proponents, Critics, and Opponents

Ryle's main opponent was Rene Descartes, or more exactly the Cartesian picture of mind as a private substance separate from the body. Ryle thought this picture created false problems about mind-body interaction and other minds.

Ryle belongs to the ordinary-language side of Analytic Philosophy. He is often placed near Ludwig Wittgenstein, because both thought philosophical confusion often comes from being misled by language. He is also close to J. L. Austin, another Oxford philosopher who studied ordinary distinctions carefully.

Later philosophers took different lessons from him. Daniel Dennett inherited Ryle's suspicion of inner theaters, but gave it a more scientific and computational form. Hubert Dreyfus used the knowing-how side of Ryle to argue that embodied skill cannot be captured by explicit rules alone.

Critics argued that Ryle made the mind look too outward and left too little room for inner experience, brain mechanisms, and the felt side of consciousness. Functionalists such as Hilary Putnam kept the link between mental states and behavior, but treated mental states as internal functional roles. Later consciousness philosophers such as David Chalmers would say that behavior and function still do not fully explain experience.

Related Pages

• Rene Descartes
• Ludwig Wittgenstein
• J. L. Austin
• Analytic Philosophy
• Daniel Dennett
• Hubert Dreyfus
• Hilary Putnam
• David Chalmers
• Meditations on First Philosophy