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Some things don't change
(lemmy.world)
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this post was submitted on 12 Jun 2025
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My entire point is that before they weren't saying "real" versus "imaginary". You're proving my point. In the other fields mentioned you could make the same argument about the interpretation changing but the book still being useful.
The other fields are attempting to describe reality. While Newtonian physics is useful, as an approximation, it's also quite clearly wrong. You can imagine a universe which follows those rules but it's not this universe, and that's why it's wrong. Mathematics doesn't care about this universe, so you can pick whatever rules you want. Imaginary numbers are not "more accurate", they don't invalidate any previous understanding. They are an imaginary concept with interesting properties. For mathematics, that's enough.