Any physical theory is "just a description of the behavior that’s been observed, right? It is a mathematical model." (Saying that 'cat' is just a word describi

Any physical theory is "just a description of the behavior that’s been observed, right? It is a mathematical model." (Saying that 'cat' is just a word describing what's been observed completely misses the point of what science actually is. Philosophy of thought and science has gone much farther than that.)