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cousin_it comments on Atheism = Untheism + Antitheism - Less Wrong
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I've been thinking about a slightly different question: is base-level reality physics-like, or optimization-like, and if it's optimization-like, did it start out that way?
Here's an example that illustrates what my terms mean. Suppose we are living in base-level reality which started with the Big Bang and evolution, and we eventually develop an AI that takes over the entire universe. Then I would say that base-level reality started off physics-like, then becomes optimization-like.
But it's surely conceivable that a universe could start off being optimization-like, and this hypothesis doesn't seem to violate Occam's Razor in any obvious way. Consider this related question: what is the shortest program that outputs a human mind? Is it an optimization program, or a physics simulation?
An optimization procedure can be very simple, if computing time isn't an issue, but we don't know whether there is a concisely describable objective function that we are the optimum of. On the other hand, the mathematical laws of physics are also simple, but we don't know how rare intelligent life is, so we don't know how many bits of coordinates are needed to locate a human brain in the universe.
Does anyone have an argument that settles these questions, in either direction?
I'm confused by your comment, but I'll try to answer anyway.
As an agent in environment, you can consider the environment in behavioral semantics: environment is an equivalence class of all the things that behave the same as what you see. Instead of minimal model, this gives a maximal model. Everything about territory remains black box, except the structure imposed by the way you see the territory, by the way you observe things, perform actions, and value strategies. This dissolves the question about what the territory "really is".
Your answer strikes me as unsatisfactory: if we apply it to humans, we lose interest in electricity, atoms, quarks etc. An agent can opt to dig deeper into reality to find the base-level stuff, or it can "dissolve the question" and walk away satisfied. Why would you want to do the latter?
The agent has preferences over these black boxes (or strategies that instantiate them), and digging deeper may be a good idea. To get rid of the (unobservable) structure in environment, the preferences for the elements of environment have to be translated in terms of preferences over the whole situations. The structure of environment becomes the structure of preferences over the black boxes.