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What does it even mean to "exist as a concept in nature". Pi is a ratio derived from physical existence that humanity collectively gave a name to since its a re
by NikolaeVarius 7y ago
What does it even mean to "exist as a concept in nature". Pi is a ratio derived from physical existence that humanity collectively gave a name to since its a regular property of the fact that our universe is tuned in the way it currently is.
- jlokier 7y agoPi has nothing to do with our universe or the way it is tuned. It's more fundamental than that. It would be the same value in any universe. You don't need circles, or Euclidean space, to discover Pi. It arises in all sorts of pure mathematics that have no direct connection to physical circles. That said I suspect you are right that we gave a name to it because it comes up so obviously in our experience.