The Possible Worlds of David Lewis | Barry Lam (Rebroadcast)

from Brain in a Vat · host Brain in a Vat

What are possible worlds? Could you have been born to different parents, and could an object be both completely green and completely red? Barry Lam explains how David Lewis’s views on possible worlds can help us understand everything from time travel to the nature of who we are.

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This episode was published on August 25, 2025.

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