The notion of infinity is 100% valid as a mathematical concept. Actually math recognizes more than one kind of infinity, if you want to look up aleph null and aleph one.

Then the question becomes: is math real or just an idea?
I would say that math is so gosh darned effective at [i]describing[/i] and [i]predicting[/i] reality that it's absurd to imagine that it's not [i]part[/i] of reality. I'm not talking about our representations of math concepts; I'm talking about the physical relationships math describes so accurately.

But I don't have the energy to debate a big question like that.

It's an idea that exists.

Infinity, as in Algebra and Calculus is a real concept, with one caveat: it continues to increase with no bounds.

Can a lack of limitation truly be defined?

Look I know I'm old but I'm not THAT old

I think we should ask Einstein.

Its real

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