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Electrochemistry is a thing too.

Chemical reactions take time.

If time does not pass, chemical reactions do not proceed.

This applies to all the natural elements in our universe, and then some.

Unless you've got some chemical elements completely unlike anything in this universe, which would probably have to consist of particles that are not from around here either, you can rest assured that time isn't going anywhere anytime soon.

You could even say that all matter in the universe itself consists only of the chemical elements in existence at any one point, at their instantaneous state of pre-reaction, ongoing-reaction, or post-reaction.

What if two of these snapshots were not identical? What would the difference be attributable to?

It probably goes way back, but one day I imagine a prehistoric observer recognized that it would be impossible to get something accomplished which did not happen instantly, unless some effort was invested over a period of, you guessed it, time. Doesn't require any math at all, not even a primate observer. You just can't get something done while it's still daylight unless you start a certain period of time before the sun goes down.

So the most direct observation of time is as a celestial phenomenon, that's a no-brainer there. At least in this kind of universe.

>time is an illusion created by <insert superstition here>

Can't go forward with this since it refutes itself, the real mathematical exercise would be to back-calculate as far back as necessary to figure out where the defects arose that are incongruous with this particular universe.

What kind of person could come up with equations for that detailed of back-calculation? They would have to know more than almost all university professors. And where are you going to find them these days? Maybe what's needed is another Einstein, and people don't want to admit it.

Sometimes equations can get so off-target that it doesn't take any mathematical ability at all to call time on it.

What if there's no mathematician remaining who can calculate their way out of it realistically?

Which leaves everybody else blundering around the illogical zone :/




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