Virtual Reality Is How Reality Reaches You
In Chapter 5 of The Fabric of Reality, David Deutsch pushes his criterion for reality to its limit with a thought experiment: Suppose that you lived inside a virtu...
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David Deutsch
Notes on David Deutsch’s books and ideas, including The Fabric of Reality and The Beginning of Infinity, with a focus on explanation, computation, physics, epistemology, and reality.
5 posts
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Invisible but Real: Software as part of the Fabric of Reality
After reading my summary of Chapter 4 of The Fabric of Reality, my friend Michael challenged me to distil David Deutsch’s core mental model into something the public c...
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How We Know What's Real: Deutsch's Criterion for Reality
How can we know what’s real or not? That’s the key question David Deutsch sets out to answer in Chapter 4 of The Fabric of Reality (TFoR). David offers logical refuta...
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A Practical Guide to Popper's Epistemology (via David Deutsch)
Where does knowledge come from? How do we decide that one explanation is better than another? These are foundational questions across every field of human inquiry. In...
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David Deutsch's Case Against Induction
In The Fabric of Reality (TFoR), chapter 3, David Deutsch mounts a direct critique of inductivism. This is worth understanding because inductive reasoning is still wi...