1D and 2D are just mathematical abstractions. Everything is just 3D and that's it. There is no time, just space with a state.

(I tried to explain better in comments so please check that. I would be glad if someone could give me a response to this brain fuck I’m having)

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[–] 2 points 1 year ago (3 children)

Yes, they are only abstractions, just like numbers are. I do not understand your conclusion that they therefore do not exist.

I still upvoted this, because I can see where you are coming from. It's frustrating when adults portray thin flat objects as "2D objects" to explain dimensions to children. It's not a simplification; it's simply wrong.

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  • [–] 1 point 1 year ago (2 children)

    I get what you are saying, but it is not wrong. It is not even a simplification. The surface of any object is 2D, and the surface of a flat object is the simplest form of a 2D coordinate system.

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  • [–] 0 points 1 year ago (1 child)

    What I meant is that some people portray the thin flat object itself as a 2D object, e.g. a piece of paper opposed to a box. I do understand that it's intuitive to associate the absence of a dimension with a value close to 0 for it and vice versa, because that's how we visualize it.

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