
Constructor Theory of Information with David Deutsch
Fallible Animals
00:00
The Interoperability Principle
constructive theory is about and is expressed in principles, which are laws that constrain other laws. And you've conjectured in your paper with Kiara, several principles that explain or capture the regularities of information. So we take for granted that if we have information in one physical medium, let's say a book, then it can be faithfully copied into different mediums. But this principle isn't logically necessary at all - so aliens from another planet based on different physics could come and visit us but they wouldn't be able to communicate because their knowledge wasn't translatable.
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