There Are No Such Things as Theories considers the fundamental question: what is a scientific theory? It presents a range of options - from theories are sets of propositions, to theories are families of models, abstract artefacts, or fictions - and highlights the various problems they all face. In so doing it draws multiple comparisons between theories and artworks: on the one hand, theories are like certain kinds of paintings with regard to their representational capacity; on the other, they are like musical works in that they can be multiply presented. An alternative answer to the question...