This book discusses key philosophical concepts and ideologies, including ontology, epistemology, logic, semantics, moral and political philosophy, theology and aesthetics during classical antiquity. Karsten Friis Johansen charts the history of ancient philosophy from the mythological oral tradition, Homer and early tragedy, to the giants of Plato and Aristotle through to paganism and the genesis of Christianity. A History of Ancient Philosophy also presents detailed analysis of individual ancient philosophers and interpretations and commentary on key philosophical passages.