Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

253 | David Deutsch on Science, Complexity, and Explanation

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

NOTE

Explanatory Universality and Turing Completeness

The speaker discusses that aliens or advanced artificial general intelligence will not be able to compute non-turing computable functions. Human brains and computers have the property of Turing completeness, a hardware attribute, while explanatory universality is a property of software that humans possess. This property is unique to humans as no other surviving organism on Earth has it, although there were species in the past that had it. The extinction of such species, like Neanderthals, is seen as a cautionary tale. The speaker emphasizes that explanatory universality is a binary attribute, similar to Turing universality.

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