alētheia ancient Greeks animals argument Aristotle basic Beaufret become behavior Being-in-the-World body brain Capobianco chapter comportment concealed concept context Cosmelli critique Dasein Definition of Philosophy Derrida Descartes disclosedness discussion Dreyfus Dreyfus's dualism Edelman emphasis emptiness encounter entity epistemologies Essence of Truth example existence explain fact factical focus freedom Geschlecht Heidegger 1993 Heidegger 2002a Heidegger argues Heidegger notes Heidegger's thought human Husserl idea intentionality interpolation interpretation Jacques Derrida Kisiel knowledge language later lectures lived experience Martin Heidegger Maurice Merleau-Ponty meaning meaningful mental Metaphysics mind mind/body mind/body problem modern nature neural neurophenomenology Noë objects ontological openedness panpsychism panpsychist Parmenides perceived perception Phenomenology physical Plato possible present present-at-hand primordial problem of consciousness Question of Truth reading relation relationship revealed ruinance scientific sciousness sense Sheehan social soul specific structure suggests Theaetetus things thinking tion translation understanding understood Velmans word φύσις