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 Originally Posted by a500lbgorilla
OK, if a thing needs finite time to render, the only place that infinity ever pops up is in your head.
I'm not sure I follow you here.
Are you saying that if any (real) process is completed in a finite number of steps, then infinity is a human construct?
Whether or not math is a property of the universe or a construct of minds is a maddeningly philosophical debate. There's something interesting to the fact that people who have never met can have nonetheless worked out the same language (math) on their own.
Whether or not infinity is an invention of humanity, it is a wildly useful concept which we use to make real, observable predictions about the universe.
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