The best we can do is to falsify a theory (as Karl Popper proposed), but beyond that we can never say anything about whether a theory is true.
You don’t have to go that road, you can also say: “The map is not the territory” and stop looking for true maps but rather value maps based on accuracy or usefulness.
You don’t have to go that road, you can also say: “The map is not the territory” and stop looking for true maps but rather value maps based on accuracy or usefulness.