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by smaudet 16 days ago
Infinity is....subtle.

They are more characterized by how they grow and when they stop than by their "physical reality". Proof of this is in that different infinities exist - characterized precisely by how fast they grow, i.e., one "infinity" is "larger" than the other.

My point is, getting hung up on "infinity" as being unrealistic is not the point. It is the tool with which to understand how thing behave. The same as any calculus problem - you take the limit to the infinity to understand how the function behaves.