The halting problem is a question of input pairs (subsets). There is no subset i

The halting problem is a question of input pairs (subsets). There is no subset in the universe other than itself. As such the universe can only perform operations on a hierarchy of stable equlibria (quanta) and has no algorithm except decrease in pressure by spatial expansion or increase in density. It it can exist the universe can compute it given the conditions for the formation of any stable equilibria (state). These states are not predictable but if they exist they are computable because computable means ‘constructable’ whereas mathematics only means ‘describable’.

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