Jennifer Nagel: Why Universal Skepticism Defeats Itself
2 tim 43 min•19 april 2025
Philosopher Jennifer Nagel argues that universal skepticism is philosophy’s greatest deception, claiming that doubt is an illusion and knowledge is a primitive instant recognition. We explore the nature of knowledge, different forms of skepticism, the Gettier problem, and how these ideas relate to consciousness and free will.
0:00 Introduction
1:28 The Nature of Knowledge
10:58 Philosophers and the Skeptical Mindset
16:57 Types of Skepticism
22:27 Exploring Knowledge Attribution
29:51 The Illusion of Knowledge
34:16 Knowing Without Knowing
38:10 Writing About Knowledge
46:10 Analyzing Knowledge
55:08 The Gettier Problem and Its Challenges
1:01:10 The Functionality of Knowledge
1:11:23 Collaborative Understanding of Knowledge
2:10:00 Understanding and Consciousness
2:26:32 Truth and Its Nature
2:32:16 Superposition and Contradictions
2:32:19 Conclusion
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- I personally subscribe to The Economist. TOE listeners get 35% off the annual subscription. No other podcast has this! https://economist.com/TOE
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- YouTube Membership: https://www.youtube.com/channel/UCdWIQh9DGG6uhJk8eyIFl1w/join
- Patreon: https://patreon.com/curtjaimungal
RESOURCES:
- Knowledge: A Very Short Introduction (book): https://www.amazon.com/Knowledge-Very-Short-Introduction-Introductions/dp/019966126X
- Knowledge and its Limits (book): https://www.amazon.ca/Knowledge-its-Limits-Timothy-Williamson/dp/019925656X
- Time: A Very Short Introduction (book): https://www.amazon.ca/Time-Short-Introduction-Jenann-Ismael/dp/0198832664
- Laplace meets Godel: https://www.youtube.com/watch?v=ZB3tS7j7nNU
- Flexible Goals (paper): https://onlinelibrary.wiley.com/doi/pdf/10.1111/cogs.13195
- The Legend of the Justified True Belief Analysis (paper): https://philpapers.org/archive/DUTTLO-3.pdf
- Lay Denial of Knowledge for Justified True Beliefs (paper): https://philpapers.org/archive/NAGLDO
- TOE’s Consciousness Iceberg: https://www.youtube.com/watch?v=GDjnEiys98o
- Matt Segal on TOE: https://www.youtube.com/watch?v=DeTm4fSXpbM
- Curt reads Plato’s Cave: https://www.youtube.com/watch?v=PurNlwnxwfY
- David Bentley Hart on TOE: https://www.youtube.com/watch?v=NEAgVvW9i10
- Donald Hoffman on TOE: https://www.youtube.com/watch?v=CmieNQH7Q4w&t=1s
- Iain McGilchrist on TOE: https://www.youtube.com/watch?v=M-SgOwc6Pe4&t=6326s&ab_channel=CurtJaimungal
- Geoffrey Hinton on TOE: https://www.youtube.com/watch?v=b_DUft-BdIE
- John Vervaeke on TOE: https://www.youtube.com/watch?v=GVj1KYGyesI&t=1s
- Wolfgang Smith on TOE: https://www.youtube.com/watch?v=vp18_L_y_30
- Polymath’s Ai panel: https://www.youtube.com/watch?v=abzXzPBW4_s
- Donald Hoffman and Philip Goff on TOE: https://www.youtube.com/watch?v=MmaIBxkqcT4
- Robert Sapolsky on TOE: https://www.youtube.com/watch?v=z0IqA1hYKY8&pp=ygUUY3VydCByb2JlcnQgc2Fwb2xza3k%3D
- Curt debunks the “all possible paths” myth: https://www.youtube.com/watch?v=XcY3ZtgYis0&t=46s
- Twitter: https://twitter.com/TOEwithCurt
- Discord Invite: https://discord.com/invite/kBcnfNVwqs
0:00 Introduction
1:28 The Nature of Knowledge
10:58 Philosophers and the Skeptical Mindset
16:57 Types of Skepticism
22:27 Exploring Knowledge Attribution
29:51 The Illusion of Knowledge
34:16 Knowing Without Knowing
38:10 Writing About Knowledge
46:10 Analyzing Knowledge
55:08 The Gettier Problem and Its Challenges
1:01:10 The Functionality of Knowledge
1:11:23 Collaborative Understanding of Knowledge
2:10:00 Understanding and Consciousness
2:26:32 Truth and Its Nature
2:32:16 Superposition and Contradictions
2:32:19 Conclusion
SPONSORS:
- I personally subscribe to The Economist. TOE listeners get 35% off the annual subscription. No other podcast has this! https://economist.com/TOE
- Spotify: https://tinyurl.com/SpotifyTOE
- YouTube Membership: https://www.youtube.com/channel/UCdWIQh9DGG6uhJk8eyIFl1w/join
- Patreon: https://patreon.com/curtjaimungal
RESOURCES:
- Knowledge: A Very Short Introduction (book): https://www.amazon.com/Knowledge-Very-Short-Introduction-Introductions/dp/019966126X
- Knowledge and its Limits (book): https://www.amazon.ca/Knowledge-its-Limits-Timothy-Williamson/dp/019925656X
- Time: A Very Short Introduction (book): https://www.amazon.ca/Time-Short-Introduction-Jenann-Ismael/dp/0198832664
- Laplace meets Godel: https://www.youtube.com/watch?v=ZB3tS7j7nNU
- Flexible Goals (paper): https://onlinelibrary.wiley.com/doi/pdf/10.1111/cogs.13195
- The Legend of the Justified True Belief Analysis (paper): https://philpapers.org/archive/DUTTLO-3.pdf
- Lay Denial of Knowledge for Justified True Beliefs (paper): https://philpapers.org/archive/NAGLDO
- TOE’s Consciousness Iceberg: https://www.youtube.com/watch?v=GDjnEiys98o
- Matt Segal on TOE: https://www.youtube.com/watch?v=DeTm4fSXpbM
- Curt reads Plato’s Cave: https://www.youtube.com/watch?v=PurNlwnxwfY
- David Bentley Hart on TOE: https://www.youtube.com/watch?v=NEAgVvW9i10
- Donald Hoffman on TOE: https://www.youtube.com/watch?v=CmieNQH7Q4w&t=1s
- Iain McGilchrist on TOE: https://www.youtube.com/watch?v=M-SgOwc6Pe4&t=6326s&ab_channel=CurtJaimungal
- Geoffrey Hinton on TOE: https://www.youtube.com/watch?v=b_DUft-BdIE
- John Vervaeke on TOE: https://www.youtube.com/watch?v=GVj1KYGyesI&t=1s
- Wolfgang Smith on TOE: https://www.youtube.com/watch?v=vp18_L_y_30
- Polymath’s Ai panel: https://www.youtube.com/watch?v=abzXzPBW4_s
- Donald Hoffman and Philip Goff on TOE: https://www.youtube.com/watch?v=MmaIBxkqcT4
- Robert Sapolsky on TOE: https://www.youtube.com/watch?v=z0IqA1hYKY8&pp=ygUUY3VydCByb2JlcnQgc2Fwb2xza3k%3D
- Curt debunks the “all possible paths” myth: https://www.youtube.com/watch?v=XcY3ZtgYis0&t=46s
- Twitter: https://twitter.com/TOEwithCurt
- Discord Invite: https://discord.com/invite/kBcnfNVwqs
Theories of Everything with Curt Jaimungal features long-form, technically detailed interviews with leading researchers in physics, mathematics, consciousness, and philosophy, exploring topics at the level of active research. For academics, graduate students, and anyone seeking depth beyond popular science.
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