The Internet Encyclopedia of Philosophy is a free, peer-reviewed, online reference guide. It aims to provide detailed, scholarly information on key topics in philosophy and important philosophers. More than 300 professional philosophers have contributed to the IEP, which sees nearly 500,000 visitors per month. Users may perform basic searches in the IEP, browse entries alphabetically, or browse by topic.
Philosophy; Aesthetics; Epistemology; Ethics; Logic; Metaphysics; Ontology; Religion and Religious Studies; History of Science