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Mathematics disproves Matrix theory, says reality isn’t simulation
(interestingengineering.com)
This is a most excellent place for technology news and articles.
Uh... that's literally what a simulation is.
But dreams aren't simulating reality as we observe it; they just kinda do their own thing. Your brain isn't consistently simulating quantum mechanics (or, hell, even simple things like clocks) while you're dreaming so this is a moot point.
People who are lucid dreaming simulate a full reality that's nearly indistinguishable from the one they find themselves in during waking time. If your brain can't tell the difference during this time, how can you be sure you're not dreaming right now reading this?
The scope of what a simulation is has always been limited by the technology we know. It is only a failing of imagination and knowledge to assume that algorithmic computation is the only valid form of simulation in the future, these have existed for barely 100 years, but even Plato's cave was talking about the larger philosophical problem
A lucid dream does not fully simulate anything, it is an altered state that includes the subjective apprehension of verisimilitude. Perceptions and apprehensions, even outside of altered states, do not constitute proof of anything.
While I'm far from an expert on it... at best the dream simulations are still, extremely rudimentary. To the point that's usually how you can tell it isn't real by doing something like reading a book. IE it's largely believable, but only because you are put in a gullible state. Like watching 2 year old AI videos, while stoned.