Pre-Socratic philosophy

Greek philosophers active before and during the time of Socrates PythagorasParmenidesHeraclitus Part of a series onPhilosophy Philosophy portal Contents Outline Glossary History Categories Philosophies By period Ancient Egyptian Greek Medieval Renaissance Modern Contemporary Analytic Continental By region African Egyptian Ethiopian South African Eastern Chinese Indian Indonesian Japanese Korean Vietnamese Indigenous American Aztec Middle Eastern Iranian Western United States British French German Italian Russian By religion Buddhist Confucian Christian Hindu Islamic Jain Jewish Taoist Branches Epistemology Ethics Logic Metaphysics Aesthetics Education History Language Law Metaphilosophy Mind Ontology Phenomenology Political Religion Science Philosophers Aesthetic philosophers Epistemologists Ethicists Logicians Metaphysicians Philosophers of mind Religion philosophers Social and political philosophers Women in philosophy vte Pre-Socratic philosophy, also known as early Greek philosophy, is ancient Greek philosophy before Socrates. Pre-Socratic philosophers were mostly interested in cosmology, the beginning and the substance of the universe, but the inquiries of these early philosop