Then it’s equivalent to “electrons exist”. This is quite a common occurrence in physics, especially these days, holography and all. It also happens in condensed matter a lot, where quasi-particles like holes and phonons are a standard approximation. Do holes “exist” in a doped semiconductor? Certainly as much as electrons exist, unless you are a hard reductionist insisting that it makes sense to talk about simulating a Boeing 747 from quarks.
Then it’s equivalent to “electrons exist”. This is quite a common occurrence in physics, especially these days, holography and all. It also happens in condensed matter a lot, where quasi-particles like holes and phonons are a standard approximation. Do holes “exist” in a doped semiconductor? Certainly as much as electrons exist, unless you are a hard reductionist insisting that it makes sense to talk about simulating a Boeing 747 from quarks.
I meant for the as-yet-unknown model to be simpler than ours. (Do epicycles exist? After all, they do predict the motion of planets.)