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Ep 132: David Deutsch’s ”The Fabric of Reality” Chapter 7 ”A Conversation about Justification”. Part 2

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The Corroborated Theory Is the Only Reasonable Theory Resting

Theories are possible. For a theory to win an argument all its rivals must be untenable, David says. But remember, it is only the rivals which any one has thought of that need be untenable. Each specific prediction of a theory is either true or false. That cannot change. It is just that sometimes they already are untenable by virtue of being bad explanations and that is when science can make progress.

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