Bruce wraps up his epic 6 part series on knowledge and the 'two sources hypothesis' (i.e. Deutsch's theory that all 'knowledge' comes from only two sources: Biological evolution and human minds). What happens if we take all the non-two sources examples of 'adapted information that cause itself to remain so' (e.g. the walking robot, the immune system, trade secrets, animal learning, animal memes, etc.) and give them their own theory distinct from the theory of 'knowledge'? Sort of like a theory of "a simulacrum of knowledge" (to uses Deutsch's own term) or "Simul-Knowledge" for short. This turns out to be remarkably easy: you just take the constructor theory of knowledge without any implicit additional criteria. Doing this has immediate profound implications that impact how we see and understand Deutsch's theory of knowledge. Like to a version of the drawing Bruce refers to throughout the episode.

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“What did the council decide on item 42?” — answered with the speaker and the moment.

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