There isn’t, and the article is committing a type error. The terrain isn’t a map, reality isn’t a model/theory.
Unless you are using a model to approximate the behavior of a system that is of exactly the same kind, i.e. using a computational model to approximate another computational thingy, in which case you could indeed have the model that exactly coincides with what it is to describe. This may even be useful, e.g. in cryptography. But this is an edge case.
There isn’t, and the article is committing a type error. The terrain isn’t a map, reality isn’t a model/theory.
Unless you are using a model to approximate the behavior of a system that is of exactly the same kind, i.e. using a computational model to approximate another computational thingy, in which case you could indeed have the model that exactly coincides with what it is to describe. This may even be useful, e.g. in cryptography. But this is an edge case.