In the photo, 2. Elsewhere, I am unsure. I think this ^ is just everyone arguing semantics at this point.
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(I'm reminded of John Nash using Greek letters in his papers specifically because he wanted to troll people who thought it was somehow important to avoid using "pi" or "phi" to mean things other than the numerical constants)
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π is *commonly* used to denote projection mappings in algebra and topology. Literally everything in mathematics is strictly contextual and this whole thread is people having a tantrum because they’ve gone their whole lives only thinking about one specific context.
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Your entire argument boils down to "observations are merely an approximation of reality" which is not novel, and in fact painfully obvious. It also has no bearing on the underlying reality which functions independently of your imperfect observations. And now for Chu's next trick:
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"Hurr it really isn't a pipe! It's a picture of a pipe! I'm going to pretend you literally thought this was a pipe and then do victory laps!"pic.twitter.com/QpcdIThahe
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I mean, even if there are "Universally true statements" model theory teaches us that a "universe" is just the collection of all entities one is willing to consider in the current context. One can always consider other entities, and thus different universes.
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