 Alexander, Samuel |  Broad, Charlie Dunbar |  chemistry, philosophy of |  consciousness: higher-order theories |  consciousness: unity of |  free will |  fundamentality |  intentionality: phenomenal |  material constitution |  mechanism in science |  Mill, John Stuart |  physics: holism and nonseparability |  qualia: knowledge argument |  quantum theory: quantum entanglement and information |  science: unity of |  tropes |  zombies 