philosophy
beginner
10 sample questions
Ontology MCQ Practice Test
Study of being and existence
Q1. Considering the deflationary theory of truth and a modal-realistic ontology, which of the following best characterizes the relationship between the existence of a possible world and the truth of a proposition about that world?
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A. A correspondence between the world's instantiation and the proposition's satisfaction is contingently dependent on the actual world's properties.
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B. A necessary correspondence exists solely within the possible world's self-contained structure, independent of any other world's properties. ✓
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C. The truth of a proposition concerning a possible world is solely determined by the coherence of the proposition within the system of that possible world, regardless of its accessibility.
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D. The existence of a possible world is a necessary condition, but not a sufficient condition, for the truth of a proposition describing that world; further, this necessity is relative to the actual world.
Explanation: Deflationary theories of truth minimize the metaphysical weight of truth predicates. Modal realism posits the real existence of all possible worlds. Combining these, the truth of a proposition within a possible world is an internal matter of that world's structure, not dependent on relations to the actual world or other worlds. Other options introduce external dependencies or contingencies that contradict this combined view.
Q2. Considering the implications of quantum entanglement for the ontological status of individual particles, which of the following best captures the challenge to a substantivalist ontology presented by the non-separability of entangled particles?
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A. The inherent indeterminacy of quantum states undermines the notion of pre-existing, independent particle properties.
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B. Entanglement demonstrates the causal closure of the physical world, thereby supporting a substantivalist view.
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C. Non-separability supports the view that particles are fundamentally relational entities, whose properties are defined by their relationships, posing a challenge to the notion of independent substances. ✓
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D. The phenomenon of entanglement is simply an epistemological issue, not an ontological one, and thus poses no challenge to substantivalism.
Explanation: Substantivalist ontologies posit that objects possess intrinsic properties independent of their relations to other objects. Quantum entanglement challenges this by demonstrating that the properties of entangled particles are fundamentally interconnected and non-local, suggesting that their individual properties are not fully independent but rather defined in relation to one another. Therefore, entanglement poses a significant challenge to the substantivalist conception of individual objects as possessing independent existence.
Q3. Considering the implications of the "grounding problem" within a deflationary account of truth, which of the following best describes the ontological status of a grounded fact, relative to its grounding explanation, if we reject both metaphysical realism and any form of robust correspondence theory?
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A. It possesses a distinct ontological status, irreducible to its grounding explanation, existing as a separate entity within the deflationary framework.
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B. It is metaphysically dependent, its existence solely contingent upon its grounding explanation, thus lacking independent ontological weight. ✓
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C. It is ontologically identical to its grounding explanation, effectively collapsing the distinction between fact and explanation.
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D. It exists in a state of ontological indeterminacy, defying clear categorization within a deflationary framework, and highlighting the limitations of such approaches.
Explanation: A deflationary theory of truth avoids strong claims about the relationship between language and reality. If we reject both realism (independent existence of facts) and correspondence (facts mirroring propositions), then a grounded fact's existence hinges entirely on the explanatory grounding. It doesn't independently exist; its ontology is parasitic on its explanation within this framework. The other options posit a stronger ontological independence for the fact, inconsistent with a deflationary, anti-realist stance on truth.
Q4. Considering the Quine-Putnam indispensability argument and the implications of a deflationary theory of truth, which of the following best characterizes the ontological status of theoretical entities posited solely within a scientifically successful, yet empirically underdetermined, theory like string theory, assuming a commitment to a broadly scientific realism?
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A. They possess robust ontological commitment equivalent to observable entities.
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B. Their ontological status is contingent upon future empirical verification.
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C. They are merely instrumental fictions with no genuine ontological import.
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D. Their ontological status is indeterminate, defying both robust commitment and outright dismissal. ✓
Explanation: The Quine-Putnam indispensability argument suggests that we should be ontologically committed to entities indispensable to our best scientific theories. However, string theory, while successful, remains empirically underdetermined. A deflationary theory of truth complicates matters by minimizing the metaphysical weight of truth claims. Therefore, while we cannot simply dismiss string theory's entities as fictional, we also lack sufficient grounds for robust ontological commitment. The indeterminacy reflects this epistemic limitation within a broadly realistic framework.
Q5. Which theory holds that personal identity over time consists in overlapping chains of psychological connections such as memory?
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A. Psychological continuity theory ✓
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B. Body theory
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C. Soul substance theory
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D. Humean bundle theory
Explanation: Psychological continuity theories (Locke's memory criterion, refined by Parfit and Shoemaker) ground identity in chains of overlapping psychological links — memories, intentions, and character — rather than in a substance.
Q6. What is the relationship between the concept of "being" (étre) and the notion of "essence" (ésence) in the philosophy of Jean-Paul Sartre?
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A. Being is a fundamental aspect of essence, and essence is a necessary condition for being.
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B. Being is a product of essence, and essence is a manifestation of being.
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C. Being and essence are two distinct concepts that are not necessarily connected.
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D. Essence precedes being, and being is a realization of essence. ✓
Explanation: In Sartre's philosophy, essence refers to the inherent properties or characteristics of an entity, while being refers to its existence or reality. According to Sartre, essence precedes being, meaning that an entity's essence determines its potential for being. Being is then a realization or actualization of that essence. This concept is central to Sartre's existentialism and is discussed in his work "Being and Nothingness".
Q7. What is the primary implication of the "bundle theory" of ontology, as proposed by David Hume, regarding the nature of objects?
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A. Objects are mere collections of properties without a underlying substance. ✓
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B. Objects are composed of a substance that underlies their properties.
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C. Objects are identical with their properties and lack any underlying substance.
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D. Objects are dependent on the perceiver for their existence.
Explanation: The bundle theory, as proposed by David Hume, posits that objects are not composed of a substance that underlies their properties, but rather are mere collections of properties. This theory has implications for our understanding of the nature of objects and their relationship to the properties that define them.
Q8. Which of the following positions on the nature of modality is most closely associated with the concept of "modal realism", as developed by David Lewis?
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A. Option: Modal nominalism posits that modality is merely a product of human language and cognition.
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B. Option: Modal fictionalism holds that modal truths are true only within fictional frameworks.
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C. Option: Modal realism asserts that all possible worlds exist as concrete entities on an equal footing with the actual world. ✓
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D. Option: Modal actualism restricts possible worlds to those that are compatible with the actual world’s laws and principles.
Explanation: David Lewis’s modal realism holds that all possible worlds — not impossible ones — exist just as concretely as the actual world, spatiotemporally isolated from one another. The original keyed option’s clause "including impossible ones" is not part of Lewis’s view and was removed.
Q9. Which of the following ontological theories posits that reality is composed of fundamental, indivisible, and eternal entities, but denies the existence of a unified, overarching substance or principle?
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A. The world is a complex, dynamic system with no underlying unity.
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B. Reality consists of discrete, unconnected monads. ✓
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C. Being is fundamentally one, unified, and indivisible.
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D. The universe is composed of fundamental, indivisible, and eternal entities.
Explanation: This question is related to the metaphysical theory of monadology, which was developed by Gottfried Wilhelm Leibniz. According to this theory, reality is composed of fundamental, indivisible, and eternal entities called monads, which are the basic building blocks of the universe. However, Leibniz's monadology denies the existence of a unified, overarching substance or principle that governs the universe.
Q10. Which ontological thesis is best described as the view that the existence of a thing is not solely determined by its being perceived or known, but rather by its own inherent nature?
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A. Substantivalism is the view that the existence of a thing is solely determined by its being perceived or known.
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B. Modal realism is the view that all possible worlds exist independently of their being perceived or known.
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C. Ontic structural realism is the view that the existence of a thing is solely determined by its relations to other things.
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D. Hylomorphism is the view that the existence of a thing is determined by its inherent nature and its potential to be actualized. ✓
Explanation: Hylomorphism is a metaphysical theory that posits the existence of a thing is determined by its inherent nature and its potential to be actualized. This view is in contrast to other ontological theses that emphasize the role of perception or knowledge in determining existence.
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