Philosophy Quiz: Theories Of Mind
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Theories Of MindQuestion 1 of 20

A dualist argues, 'No matter how much you learn about the brain's physical and functional states, you can never fully capture the subjective experience of seeing red. This 'what it's like' aspect of consciousness is a further fact about the world, beyond all the physical facts.' This argument relies on the supposed existence of:

multiple realizability.
intentionality.
qualia.
a homunculus.
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Philosophy Quiz

Philosophy Quiz: Theories Of Mind

Practice Theories Of Mind in Philosophy with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Theories Of Mind, giving you a quick way to practice the rules, question types, and explanations that matter most for Philosophy.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

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Question 1

A dualist argues, 'No matter how much you learn about the brain's physical and functional states, you can never fully capture the subjective experience of seeing red. This 'what it's like' aspect of consciousness is a further fact about the world, beyond all the physical facts.' This argument relies on the supposed existence of:

  1. multiple realizability.
  2. intentionality.
  3. qualia. (correct answer)
  4. a homunculus.
Explanation: The correct answer is C. The phrase 'what it's like' is a philosophical shorthand for qualia—the subjective, qualitative, phenomenal properties of experience. The argument described (often called the 'knowledge argument') is a classic argument for property dualism, and its entire force rests on the claim that qualia are real, irreducible, non-physical features of the world. A) Multiple realizability is a concept about how mental states can be implemented in different systems; it is not the subjective experience itself. B) Intentionality is the 'aboutness' of mental states (e.g., a belief is about something), which is a different feature from their qualitative feel. D) A homunculus is a 'little person' in the head used to explain cognitive functions, which is generally seen as a fallacy, not a feature to be explained.

Question 2

A philosopher states, 'There is only one kind of substance in the universe—physical substance. However, when physical systems like brains reach a certain level of complexity, they exhibit genuinely novel, irreducible, non-physical properties, namely consciousness.' This position is best described as:

  1. Type Physicalism
  2. Substance Dualism
  3. Property Dualism (correct answer)
  4. Functionalism
Explanation: The correct answer is C. The statement explicitly combines two claims: (1) there is only one kind of substance (physical), and (2) this substance can have two kinds of properties (physical and non-physical). This is the precise definition of Property Dualism. A) is incorrect because the philosopher claims the mental properties are irreducible and non-physical, which contradicts the reductive identity claim of Type Physicalism. B) is incorrect because the philosopher denies the existence of a second, non-physical substance. D) is incorrect because the focus is on the intrinsic nature of the properties (non-physical, irreducible), not on their causal role, which is the hallmark of functionalism.

Question 3

If a philosopher is a 'token physicalist' but not a 'type physicalist,' which of the following statements would they most likely endorse?

  1. Every particular mental event is a physical event, but different types of mental events are not identical to different types of physical events. (correct answer)
  2. Every particular mental event is a physical event, and mental state types correspond one-to-one with physical state types.
  3. Some tokens of mental events are physical, while other tokens, like pure thoughts, are non-physical.
  4. No mental event is a physical event, but mental events are caused by physical events in the brain.
Explanation: The correct answer is A. This question tests the distinction between token and type physicalism. Token physicalism is the weaker claim that every particular instance (token) of a mental state is identical to some particular instance of a physical state. Type physicalism is the stronger claim that every type of mental state is identical to a type of physical state. By endorsing token but not type physicalism, the philosopher is allowing for multiple realizability: my pain-token now might be a C-fiber firing, while an octopus's pain-token might be something else entirely. Thus, the mental type 'pain' does not correspond to a single physical type. B) describes type physicalism. C) is a form of dualism, not physicalism. D) describes a dualist view, likely epiphenomenalism or interactionism, not physicalism.

Question 4

A scientist proposes a 'Psycho-Physical Identity Law': For any organism O, O feels pain if and only if O's neuronal group 7-delta is firing at 40 Hz. After extensive research, this law is found to hold true for every known species in the universe that is capable of feeling pain.

This universal, exceptionless law would provide the strongest possible empirical support for which theory of mind?

  1. Functionalism
  2. Substance Dualism
  3. Type Physicalism (correct answer)
  4. Property Dualism
Explanation: The correct answer is C. Type Physicalism (or Identity Theory) posits a strict identity between types of mental states and types of physical states. The proposed law, stating that pain is identical to a specific, universally consistent neurological event, is the very kind of discovery that would confirm this theory. The fact that it holds for all species directly counters the main objection to type physicalism (multiple realizability). A) Functionalism would be compatible with this finding, but it wouldn't be the most strongly supported theory, as its core claim is that the physical substrate is irrelevant, whereas this law makes the substrate centrally important. B) Substance dualism posits a non-physical mind, so a perfect physical correlate would create a more difficult, not easier, explanatory problem for it. D) Property dualism could also accommodate this law but would still insist that the subjective feeling of pain is a non-physical property, a claim the law itself does not directly support over the simpler identity claim.

Question 5

The 'inverted spectrum' thought experiment imagines two people who have systematically different color experiences (one sees red where the other sees green) but are behaviorally and functionally identical. This scenario is most damaging to functionalism because it suggests that:

  1. causal roles are insufficient to determine the qualitative content of a mental state. (correct answer)
  2. mental states cannot be realized by physical systems.
  3. subjective experience is ultimately an illusion that can be explained away.
  4. physical brain states are identical to subjective experiences.
Explanation: When you encounter questions about thought experiments in philosophy of mind, focus on what specific theory or position is being challenged and how the scenario creates problems for that view. The inverted spectrum thought experiment directly attacks functionalism's core claim that mental states are defined entirely by their causal roles - their inputs, outputs, and relationships to other mental states. If two people can have identical functional organization (same behavioral responses to stimuli, same causal patterns) yet different qualitative experiences (seeing red vs. green), this shows that functional roles alone cannot fully capture what makes a mental state what it is. The qualitative "what it's like" aspect of experience seems to exist over and above the functional structure. Looking at the wrong answers: B incorrectly suggests the experiment challenges physicalism itself, but functionalists can still believe mental states are physical - they're just arguing about which physical properties matter. C misrepresents the experiment's purpose - it's not trying to eliminate subjective experience but rather highlight its irreducibility to functional roles. D describes identity theory, not functionalism, and the experiment actually supports rather than challenges the idea that there's something more to experience than functional patterns. The correct answer is A because functionalism claims that if two systems have the same causal role structure, they must have identical mental states. The inverted spectrum scenario suggests this is false - causal roles are insufficient to determine qualitative content. Remember: thought experiments in philosophy of mind typically target specific theories by showing counterexamples. Always identify which theory is under attack and how the scenario undermines its central claims.

Question 6

Consider a 'philosophical zombie,' a hypothetical being that is physically and behaviorally indistinguishable from a conscious human but lacks any subjective experience or 'qualia.' For example, a zombie might say 'ouch' when poked with a pin and withdraw its hand, but it would not feel any pain.

The logical possibility of a philosophical zombie would pose the most severe problem for which theory of mind?

  1. Substance Dualism, because it cannot explain how a physical body could function without a mind.
  2. Functionalism, because the zombie is functionally identical to a conscious person, yet has a different mental status. (correct answer)
  3. Type Physicalism, because the zombie's brain states would necessarily be different from a conscious person's.
  4. Property Dualism, because the zombie demonstrates that mental properties are not essential for behavior.
Explanation: The correct answer is B. Functionalism defines mental states by their functional (causal) roles. The philosophical zombie is, by definition, functionally identical to a conscious person—it has the same inputs, outputs, and internal state transitions from a third-person perspective. If a zombie is possible, then having the correct functional organization is not sufficient for having conscious experience, which directly refutes functionalism. A) is incorrect because Substance Dualism would simply state the zombie lacks the non-physical mind substance. C) is a misinterpretation; the thought experiment assumes the zombie's brain states are identical, which would challenge physicalism in general, but the most direct target is the functionalist claim that function is all that matters. D) is incorrect because the possibility of a zombie is often used to support property dualism, by arguing that the non-physical qualia are the very things the zombie lacks.

Question 7

Neuroscientists discover an alien species whose cognitive architecture is silicon-based, not carbon-based. Despite having no C-fibers or analogous biological structures, the aliens exhibit all behaviors associated with pain (e.g., avoidance, wincing, vocalizations of distress) when their bodies are damaged. This discovery poses the most significant and direct challenge to which theory of mind?

  1. Functionalism, because it suggests that mental states are not solely defined by their causal roles.
  2. Type Physicalism (Identity Theory), because it posits that mental states are identical to specific types of physical brain states. (correct answer)
  3. Substance Dualism, because it cannot account for the existence of minds in non-biological entities.
  4. Property Dualism, because it requires mental properties to emerge from a specific kind of physical substance.
Explanation: The correct answer is B. This scenario illustrates the concept of 'multiple realizability'—the idea that the same mental state (pain) can be realized in different physical systems. Type Physicalism, or Identity Theory, holds that a mental state type (like pain) is identical to a physical state type (like C-fiber firing). The existence of a creature feeling pain without C-fibers directly contradicts this one-to-one identity claim. A) is incorrect because this scenario supports functionalism, which defines mental states by their causal roles, allowing for different physical implementations. C) is incorrect because Substance Dualism, which posits a non-physical mind, is not fundamentally challenged by the physical composition of the body it interacts with. D) is incorrect as Property Dualism is generally compatible with multiple realizability; it claims mental properties emerge from the physical, but not necessarily only from one specific type of physical organization.

Question 8

Imagine a future where it is possible to perfectly simulate a human brain on a powerful computer. The simulation is so accurate that it replicates the brain's functions at the sub-atomic level. If this simulation were to produce conscious experience, which of the following conclusions would be most strongly supported?

  1. Substance Dualism is true, because consciousness can exist independently of a biological brain.
  2. Property Dualism is true, because it demonstrates that non-physical properties can be simulated.
  3. Functionalism is false, because a simulation cannot have genuine subjective experiences.
  4. Type Physicalism is false, because the conscious state is realized in silicon, not in brain tissue. (correct answer)
Explanation: This question tests your understanding of the mind-body problem and different theories about the relationship between consciousness and physical matter. When you encounter scenarios about artificial consciousness or brain simulation, focus on what each theory predicts about where and how consciousness can exist. If a computer simulation of a brain produces genuine conscious experience, this scenario directly challenges Type Physicalism. Type Physicalism holds that mental states are identical to specific types of brain states - literally the same thing as particular neural activity in biological brain tissue. Under this view, consciousness requires the exact physical substrate of organic neurons. Since the simulation uses silicon-based computation rather than biological neurons, yet still produces consciousness, this would prove that conscious states aren't tied to one specific physical type. Therefore, answer D is correct. Let's examine why the other options miss the mark: A incorrectly suggests this supports Substance Dualism, but consciousness existing in a computer is still physical (just different physical material) - it doesn't prove consciousness is non-physical. B misunderstands Property Dualism, which doesn't claim non-physical properties can be "simulated" - it argues mental properties are irreducible to physical ones. C assumes the conclusion that simulations can't have genuine experience, which contradicts the question's premise that the simulation does produce consciousness. Remember: Type Physicalism makes the strongest claim about consciousness requiring specific biological hardware. Any scenario where consciousness exists in different physical substrates directly refutes this narrow view, making it a common target in philosophy of mind questions.

Question 9

Which of the following statements accurately captures a key distinction between property dualism and functionalism?

  1. Property dualism holds that the mind is a non-physical substance, whereas functionalism holds that it is a physical process.
  2. Property dualism focuses on the irreducible subjective character of mental states, whereas functionalism focuses on their causal relations. (correct answer)
  3. Functionalism is a form of dualism because it allows for minds in non-biological systems, whereas property dualism is a form of physicalism.
  4. Functionalism claims mental states are identical to brain states, whereas property dualism claims they are distinct properties of the brain.
Explanation: The correct answer is B. This choice pinpoints the core difference in what each theory takes to be the essential nature of the mental. For property dualism, the defining feature is 'qualia'—the subjective, first-person character of experience, which is considered a non-physical property. For functionalism, the defining feature is a state's causal role—what it does, and how it relates inputs, outputs, and other states. A) mischaracterizes property dualism as substance dualism. C) incorrectly classifies both theories; functionalism is typically a form of physicalism (though it is logically compatible with dualism), and property dualism is, by definition, a form of dualism, not physicalism. D) mischaracterizes functionalism; it does not claim mental states are identical to brain states (that's identity theory/type physicalism), but rather to functional roles.

Question 10

Consider a 'philosophical zombie,' a hypothetical being that is physically and behaviorally indistinguishable from a conscious human but lacks any subjective experience or 'qualia.' For example, a zombie might say 'ouch' when poked with a pin and withdraw its hand, but it would not feel any pain.

The logical possibility of a philosophical zombie would pose the most severe problem for which theory of mind?

  1. Substance Dualism, because it cannot explain how a physical body could function without a mind.
  2. Functionalism, because the zombie is functionally identical to a conscious person, yet has a different mental status. (correct answer)
  3. Type Physicalism, because the zombie's brain states would necessarily be different from a conscious person's.
  4. Property Dualism, because the zombie demonstrates that mental properties are not essential for behavior.
Explanation: The correct answer is B. Functionalism defines mental states by their functional (causal) roles. The philosophical zombie is, by definition, functionally identical to a conscious person—it has the same inputs, outputs, and internal state transitions from a third-person perspective. If a zombie is possible, then having the correct functional organization is not sufficient for having conscious experience, which directly refutes functionalism. A) is incorrect because Substance Dualism would simply state the zombie lacks the non-physical mind substance. C) is a misinterpretation; the thought experiment assumes the zombie's brain states are identical, which would challenge physicalism in general, but the most direct target is the functionalist claim that function is all that matters. D) is incorrect because the possibility of a zombie is often used to support property dualism, by arguing that the non-physical qualia are the very things the zombie lacks.

Question 11

The 'inverted spectrum' thought experiment imagines two people who have systematically different color experiences (one sees red where the other sees green) but are behaviorally and functionally identical. This scenario is most damaging to functionalism because it suggests that:

  1. causal roles are insufficient to determine the qualitative content of a mental state. (correct answer)
  2. mental states cannot be realized by physical systems.
  3. subjective experience is ultimately an illusion that can be explained away.
  4. physical brain states are identical to subjective experiences.
Explanation: When you encounter questions about thought experiments in philosophy of mind, focus on what specific theory or position is being challenged and how the scenario creates problems for that view. The inverted spectrum thought experiment directly attacks functionalism's core claim that mental states are defined entirely by their causal roles - their inputs, outputs, and relationships to other mental states. If two people can have identical functional organization (same behavioral responses to stimuli, same causal patterns) yet different qualitative experiences (seeing red vs. green), this shows that functional roles alone cannot fully capture what makes a mental state what it is. The qualitative "what it's like" aspect of experience seems to exist over and above the functional structure. Looking at the wrong answers: B incorrectly suggests the experiment challenges physicalism itself, but functionalists can still believe mental states are physical - they're just arguing about which physical properties matter. C misrepresents the experiment's purpose - it's not trying to eliminate subjective experience but rather highlight its irreducibility to functional roles. D describes identity theory, not functionalism, and the experiment actually supports rather than challenges the idea that there's something more to experience than functional patterns. The correct answer is A because functionalism claims that if two systems have the same causal role structure, they must have identical mental states. The inverted spectrum scenario suggests this is false - causal roles are insufficient to determine qualitative content. Remember: thought experiments in philosophy of mind typically target specific theories by showing counterexamples. Always identify which theory is under attack and how the scenario undermines its central claims.

Question 12

Consider the statement: 'A computing machine could, in principle, have the same belief that I have—for instance, the belief that Paris is the capital of France.' Which two theories of mind would most readily agree with this statement?

  1. Substance Dualism and Type Physicalism
  2. Functionalism and Type Physicalism
  3. Property Dualism and Substance Dualism
  4. Functionalism and Property Dualism (correct answer)
Explanation: The correct answer is D. Functionalism would agree because it holds that a belief is defined by its functional role, which can be realized in any sufficiently complex system, including a computer. Property Dualism would also agree; a property dualist believes that physical systems can have mental properties, and there is no reason in principle why a complex physical system like a computer could not have the mental property of 'believing that P'. In contrast, Type Physicalism (B) would likely disagree, as it identifies beliefs with specific biological brain states, which a machine would lack. Substance Dualism (A, C) would also disagree, as it typically ties mentality to a non-physical soul, which a machine would not possess.

Question 13

A philosopher states, 'There is only one kind of substance in the universe—physical substance. However, when physical systems like brains reach a certain level of complexity, they exhibit genuinely novel, irreducible, non-physical properties, namely consciousness.' This position is best described as:

  1. Type Physicalism
  2. Substance Dualism
  3. Property Dualism (correct answer)
  4. Functionalism
Explanation: The correct answer is C. The statement explicitly combines two claims: (1) there is only one kind of substance (physical), and (2) this substance can have two kinds of properties (physical and non-physical). This is the precise definition of Property Dualism. A) is incorrect because the philosopher claims the mental properties are irreducible and non-physical, which contradicts the reductive identity claim of Type Physicalism. B) is incorrect because the philosopher denies the existence of a second, non-physical substance. D) is incorrect because the focus is on the intrinsic nature of the properties (non-physical, irreducible), not on their causal role, which is the hallmark of functionalism.

Question 14

Imagine a future where it is possible to perfectly simulate a human brain on a powerful computer. The simulation is so accurate that it replicates the brain's functions at the sub-atomic level. If this simulation were to produce conscious experience, which of the following conclusions would be most strongly supported?

  1. Substance Dualism is true, because consciousness can exist independently of a biological brain.
  2. Property Dualism is true, because it demonstrates that non-physical properties can be simulated.
  3. Functionalism is false, because a simulation cannot have genuine subjective experiences.
  4. Type Physicalism is false, because the conscious state is realized in silicon, not in brain tissue. (correct answer)
Explanation: This question tests your understanding of the mind-body problem and different theories about the relationship between consciousness and physical matter. When you encounter scenarios about artificial consciousness or brain simulation, focus on what each theory predicts about where and how consciousness can exist. If a computer simulation of a brain produces genuine conscious experience, this scenario directly challenges Type Physicalism. Type Physicalism holds that mental states are identical to specific types of brain states - literally the same thing as particular neural activity in biological brain tissue. Under this view, consciousness requires the exact physical substrate of organic neurons. Since the simulation uses silicon-based computation rather than biological neurons, yet still produces consciousness, this would prove that conscious states aren't tied to one specific physical type. Therefore, answer D is correct. Let's examine why the other options miss the mark: A incorrectly suggests this supports Substance Dualism, but consciousness existing in a computer is still physical (just different physical material) - it doesn't prove consciousness is non-physical. B misunderstands Property Dualism, which doesn't claim non-physical properties can be "simulated" - it argues mental properties are irreducible to physical ones. C assumes the conclusion that simulations can't have genuine experience, which contradicts the question's premise that the simulation does produce consciousness. Remember: Type Physicalism makes the strongest claim about consciousness requiring specific biological hardware. Any scenario where consciousness exists in different physical substrates directly refutes this narrow view, making it a common target in philosophy of mind questions.

Question 15

A dualist argues, 'No matter how much you learn about the brain's physical and functional states, you can never fully capture the subjective experience of seeing red. This 'what it's like' aspect of consciousness is a further fact about the world, beyond all the physical facts.' This argument relies on the supposed existence of:

  1. multiple realizability.
  2. intentionality.
  3. qualia. (correct answer)
  4. a homunculus.
Explanation: The correct answer is C. The phrase 'what it's like' is a philosophical shorthand for qualia—the subjective, qualitative, phenomenal properties of experience. The argument described (often called the 'knowledge argument') is a classic argument for property dualism, and its entire force rests on the claim that qualia are real, irreducible, non-physical features of the world. A) Multiple realizability is a concept about how mental states can be implemented in different systems; it is not the subjective experience itself. B) Intentionality is the 'aboutness' of mental states (e.g., a belief is about something), which is a different feature from their qualitative feel. D) A homunculus is a 'little person' in the head used to explain cognitive functions, which is generally seen as a fallacy, not a feature to be explained.

Question 16

A scientist proposes a 'Psycho-Physical Identity Law': For any organism O, O feels pain if and only if O's neuronal group 7-delta is firing at 40 Hz. After extensive research, this law is found to hold true for every known species in the universe that is capable of feeling pain.

This universal, exceptionless law would provide the strongest possible empirical support for which theory of mind?

  1. Functionalism
  2. Substance Dualism
  3. Type Physicalism (correct answer)
  4. Property Dualism
Explanation: The correct answer is C. Type Physicalism (or Identity Theory) posits a strict identity between types of mental states and types of physical states. The proposed law, stating that pain is identical to a specific, universally consistent neurological event, is the very kind of discovery that would confirm this theory. The fact that it holds for all species directly counters the main objection to type physicalism (multiple realizability). A) Functionalism would be compatible with this finding, but it wouldn't be the most strongly supported theory, as its core claim is that the physical substrate is irrelevant, whereas this law makes the substrate centrally important. B) Substance dualism posits a non-physical mind, so a perfect physical correlate would create a more difficult, not easier, explanatory problem for it. D) Property dualism could also accommodate this law but would still insist that the subjective feeling of pain is a non-physical property, a claim the law itself does not directly support over the simpler identity claim.

Question 17

Which of the following statements accurately captures a key distinction between property dualism and functionalism?

  1. Property dualism holds that the mind is a non-physical substance, whereas functionalism holds that it is a physical process.
  2. Property dualism focuses on the irreducible subjective character of mental states, whereas functionalism focuses on their causal relations. (correct answer)
  3. Functionalism is a form of dualism because it allows for minds in non-biological systems, whereas property dualism is a form of physicalism.
  4. Functionalism claims mental states are identical to brain states, whereas property dualism claims they are distinct properties of the brain.
Explanation: The correct answer is B. This choice pinpoints the core difference in what each theory takes to be the essential nature of the mental. For property dualism, the defining feature is 'qualia'—the subjective, first-person character of experience, which is considered a non-physical property. For functionalism, the defining feature is a state's causal role—what it does, and how it relates inputs, outputs, and other states. A) mischaracterizes property dualism as substance dualism. C) incorrectly classifies both theories; functionalism is typically a form of physicalism (though it is logically compatible with dualism), and property dualism is, by definition, a form of dualism, not physicalism. D) mischaracterizes functionalism; it does not claim mental states are identical to brain states (that's identity theory/type physicalism), but rather to functional roles.

Question 18

A philosopher presents the following argument: "If the mind is a non-physical substance, it cannot have a location in space. If it lacks a spatial location, it is impossible for it to make contact with any part of the brain to initiate a causal chain. Therefore, any theory that posits a non-physical mind-substance makes the phenomenon of mental causation fundamentally inexplicable."

This argument highlights the primary conceptual difficulty for which of the following positions?

  1. Functionalism
  2. Reductive Physicalism
  3. Property Dualism
  4. Substance Dualism (correct answer)
Explanation: The correct answer is D. The argument describes the classic 'interaction problem' for Substance Dualism, as famously formulated for Descartes's theory. The core issue is explaining how a non-spatial, non-physical substance (the mind) can causally interact with a spatial, physical substance (the body/brain). A) is incorrect because functionalism defines mental states by their causal roles, thus presupposing the reality of mental causation. B) is incorrect because physicalism, by identifying mental events with physical events, has no such interaction problem between two different kinds of substance. C) is incorrect because while property dualism faces a related problem (how non-physical properties can have causal efficacy), the argument's focus on a non-spatial substance makes it a direct critique of Substance Dualism.

Question 19

A philosopher presents the following argument: "If the mind is a non-physical substance, it cannot have a location in space. If it lacks a spatial location, it is impossible for it to make contact with any part of the brain to initiate a causal chain. Therefore, any theory that posits a non-physical mind-substance makes the phenomenon of mental causation fundamentally inexplicable."

This argument highlights the primary conceptual difficulty for which of the following positions?

  1. Functionalism
  2. Reductive Physicalism
  3. Property Dualism
  4. Substance Dualism (correct answer)
Explanation: The correct answer is D. The argument describes the classic 'interaction problem' for Substance Dualism, as famously formulated for Descartes's theory. The core issue is explaining how a non-spatial, non-physical substance (the mind) can causally interact with a spatial, physical substance (the body/brain). A) is incorrect because functionalism defines mental states by their causal roles, thus presupposing the reality of mental causation. B) is incorrect because physicalism, by identifying mental events with physical events, has no such interaction problem between two different kinds of substance. C) is incorrect because while property dualism faces a related problem (how non-physical properties can have causal efficacy), the argument's focus on a non-spatial substance makes it a direct critique of Substance Dualism.

Question 20

Consider the statement: 'A computing machine could, in principle, have the same belief that I have—for instance, the belief that Paris is the capital of France.' Which two theories of mind would most readily agree with this statement?

  1. Substance Dualism and Type Physicalism
  2. Functionalism and Type Physicalism
  3. Property Dualism and Substance Dualism
  4. Functionalism and Property Dualism (correct answer)
Explanation: The correct answer is D. Functionalism would agree because it holds that a belief is defined by its functional role, which can be realized in any sufficiently complex system, including a computer. Property Dualism would also agree; a property dualist believes that physical systems can have mental properties, and there is no reason in principle why a complex physical system like a computer could not have the mental property of 'believing that P'. In contrast, Type Physicalism (B) would likely disagree, as it identifies beliefs with specific biological brain states, which a machine would lack. Substance Dualism (A, C) would also disagree, as it typically ties mentality to a non-physical soul, which a machine would not possess.