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  Tyler Mills commented on idea #5107.

That these external sources of variation in the case of DNA do not themselves contain knowledge is happenstance, another special case. A source of variation acting on a given set of knowledge can be knowledge-bearing while still being epistemically external to the target (making only blind changes to it), so long as the variations do not depend on the specific content of the knowledge in the target. So: set A is altered by set B, each are knowledge-containing, but knowledge in B does not pertain to A.

#5107​·​Tyler MillsOP, 2 days ago

If changes are not blind, the changer is changing based on the content of the knowledge in the target, in which case the two have a joint implication space: their possible states are all implicit in the system, and there are no states that are novel with respect to either of them; creativity is not possible. It’s like two differently charged conductors coming into contact and neutralizing the electric field between them.