--- id: aliases: [] tags: - destiny/fleeting - authorship/original title: Realism vs. Instrumentalism --- # Realism vs. Instrumentalism Realism holds that the purpose of ~~science~~ is to describe the world as accurately as possible. Instrumentalism (anti-realism) holds that the purpose is to make accurate predictions. > [!quote] George E. P. Box, British statistician > All models are wrong, but some are useful. > [!quote] _Opinionated History of Mathematics_, "Did Copernicus steal ideas from Islamic astronomers?" (pp.) > Ptolemy's lunar model is "flawed" > in that it inaccurately describes Luna's distance from Earth, > however Ptolemy only ever uses the model to predict eclipses, > which the model does very well. > The discrepancy is only a flaw from a realist perspective.