But knowledge of every particle of the universe breaks the second law of thermodynamics. Anything capable of computing such a perfectly rendered model of the universe requires more storage and processing than can be achieved with all the matter in the universe. The entire universe can act as a model of that universe, if that is considered a worthwhile endeavour, but knowing it, understanding it, computing it, that would then have to be done by an external entity not constrained by the thermodynamics of being in that universe (or being that universe). And the external entity is just as nonsensical and unnecessary.
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