 Descartes, René: physics |  dispositions |  dualism |  Elisabeth, Princess of Bohemia |  functionalism |  grounding, metaphysical |  idealism |  intrinsic vs. extrinsic properties |  Leibniz, Gottfried Wilhelm: philosophy of physics |  mental causation |  mind/brain identity theory |  neutral monism |  panpsychism |  physicalism |  physics: structuralism in |  Schopenhauer, Arthur |  structural realism 