#epistemology #physic #mathematic #philosophy # [[Epistemic status]] #shower-thought # Theory >One of the more important ideas of this book is that of the (empirical, >or informative) content of a theory: **the more they prohibit, the more they say.** >~ [[Karl Popper|Popper]] >A physical theory, therefore, is not just the set of its formulae, such as E = mc2, nor is it just the collection of its testable predictions; it is a conjectured explanation, which includes, for example, the informal descriptions of what E, m, and c are in that formula, and why they are related in that way. >~ [[Chiara Marletto]] You need both the [[Mathematic|mathematical]] equation and the descriptions of every part of it in natural language.