The Biographical History of Philosophy from Its Origin in Greece Down to the Present Day

absolute abstract admit Anaxagoras Anaximander answer appear argument Aristippus Aristodemus Aristotle assert attribute axiom Bacon believe Berkeley body Bruno called cause certitude conceive conception consciousness consequence declared deductive Democritus Descartes Dialectics Diogenes distinct divine doctrine Dugald Stewart Eleatics Empedocles endeavor epoch error existence experience explain external fact faculties Fichte finite forced Greek Hegel Heraclitus human Hume Idealism ideas images Induction infinite inquiry intellectual Intelligence Kant knowledge laws Locke Locke's logical matter means metaphysical Method mind moral motion nature never noumena noumenon objects opinions origin Parmenides passage perceive perception phenomena Philos Philosophy Phrenology Plato Plotinus position principles Proclus proposition Protagoras Psychology Pyrrho Pythagoras question reader Reason refutation respecting says sensation sense Sextus Empiricus skepticism Socrates Sophists soul speculations Spinoza substance supposed Thales theory things thinkers thought tion true truth understand universal words Xenophanes Zeno