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1. Plato’s Criticisms of Knowledge as “True Belief with an Account”
Plato challenges the sufficiency of true belief for constituting knowledge, proposing that knowledge also requires an account, which neither the theory of recollection nor the method of hypothesis fully satisfy.
2. Locke’s Theory of “Ideas,” Critiques by Berkeley, Hume
Locke introduces the concept of ideas as the primary units of understanding, which Berkeley and Hume critique, emphasizing immaterialism and skepticism about external reality, respectively.
3. Berkeley’s Argument Against Material Substance and Idealism
Berkeley argues against the existence of material substances, positing that only minds and ideas exist, with reality being fundamentally mental or spiritual.
4. Reid’s Argument Against “The Ideal System” and for Direct Perception
Reid critiques the "ideal system" of indirect perception, advocating for common sense realism where direct perception connects us with the external world.
5. Russell’s Sense-Data Theory, Its Relation to Earlier Theories of “Ideas”
Russell's sense-data theory posits that our immediate objects of perception are sense-data, which, though informed by reality, are not the objects themselves.
6. Arguments Against the Sense-Data Theory
Critics argue the sense-data theory complicates the understanding of perception, suggesting direct experiences with objects instead of mediating entities.
7. Descartes’s Methodological Skepticism and Its Purpose
Descartes employs methodological skepticism, doubting all beliefs to find indubitable truths, leading to the foundational "cogito, ergo sum."
8. Hume’s “Mitigated” Skepticism
Hume offers a form of skepticism that, while doubting the certainty of empirical knowledge and causation, still upholds the practical necessity of belief and reasoning based on habit.
9. Putnam’s Critique of the “Brain in a Vat” Skeptical Hypothesis
Putnam challenges the brain in a vat hypothesis by arguing that if we were brains in vats, we couldn't meaningfully refer to "brains" or "vats," making the scenario self-refuting.
10. Moore’s “Proof of an External World”
G.E. Moore contends that simple demonstrations (like showing one's hands) serve as undeniable proofs of the external world, countering skepticism.
11. Carroll and Hume on Skepticism About Logic
Carroll presents a paradox on inferential knowledge to highlight logical skepticism, while Hume critiques inductive reasoning's foundation.
12. Trust and Testimony: Hume on Testimony and Miracles, Reid’s Reply
Hume is skeptical about the reliability of testimony, especially concerning miracles, while Reid defends testimony's credibility and the rationality of believing in miracles under certain conditions.
13. Burge on Testimony in the Context of “Content Preservation”
Burge emphasizes that in successful testimonial exchanges, the content of the speaker's assertion is preserved in the hearer's belief, underscoring the reliability of testimony as a source of knowledge.
14. Baker’s Defense of the Rationality of Trust
Baker argues that trust is a fundamental, rational aspect of human cognition and social interaction, essential for acquiring knowledge and understanding.
15. Plato vs. Kant on the A Priori and the Status of Mathematics
Plato sees mathematical knowledge as derived from eternal Forms, whereas Kant argues that mathematics is grounded in synthetic a priori knowledge, informed by human intuition.
16. Analytic vs. Synthetic Knowledge; The Synthetic A Priori
This topic explores Kant's distinction between analytic and synthetic propositions, introducing the concept of synthetic a priori knowledge as central to understanding mathematics and natural science.
17. Russell’s Theory of Universals and His Criticism of Kant
Russell advocates for a realist theory of universals and criticizes Kant's synthetic a priori knowledge, especially regarding mathematics and the nature of space and time.
18. Conventionalism and the Geometry of Space
Conventionalism argues that the truths of geometry and the structure of space are not empirical facts but are chosen by convention, influenced by non-Euclidean geometries and Einstein's relativity.
19. Verification and the Elimination of Metaphysics
This topic discusses the logical positivists' verification principle, aiming to demarcate meaningful scientific discourse from metaphysical speculation by emphasizing empirical verification.
20. Quine’s Account of “Old Epistemology”
Quine critiques traditional epistemology for its reliance on the analytic-synthetic distinction and foundationalism, proposing a naturalized epistemology grounded in the empirical sciences.
21. Quine’s Psychological Account of Epistemology
Quine's naturalized epistemology includes a psychological perspective, emphasizing how empirical study of human cognition and behavior can illuminate epistemological questions.
22. Kim’s Defence of Normative Epistemology
Kim defends normative epistemology, emphasizing the necessity of normative standards and a priori reasoning for evaluating knowledge claims, in contrast to purely naturalized approaches.
23. Haack on Why Epistemology Isn’t Dead Yet
Susan Haack defends the continued relevance of epistemology against critiques from radical naturalism and extreme skepticism, advocating for an integrated approach that values both empirical and normative inquiry.
24. Knowledge, Appearance, and Reality
This theme explores the intricate relationship between our perceptions (appearances), our beliefs and understanding (knowledge), and the nature of the external world (reality), highlighting the philosophical challenges in distinguishing between them.