 Carnap, Rudolf |  Châtelet, Émilie du |  choice, dynamic |  empiricism: logical |  Feyerabend, Paul |  Fleck, Ludwik |  Foucault, Michel |  incommensurability: of scientific theories |  Kuhn, Thomas |  models in science |  physics: intertheory relations in |  physics: structuralism in |  Popper, Karl |  rationality: historicist theories of |  Reichenbach, Hans |  relativism |  science: unity of |  scientific progress |  scientific realism |  value: incommensurable 