The Theory-Theory of Concepts The Theory-Theory of concepts is a view of how concepts are structured, acquired, and deployed. Concepts, as they will be understood here, are mental representations that are implicated in many of our higher thought processes, including various forms of reasoning and inference, categorization, planning and decision making, and constructing and testing explanations. The view states that concepts are organized within and

Epistemic Circularity An epistemically circular argument defends the reliability of a source of belief by relying on premises that are themselves based on the source. It is a widely shared intuition that there is something wrong with epistemically circular arguments. William Alston, who first used the term in this sense, argues plausibly that there is no way to know or to be justified in believing

Liezi (Lieh-tzu, cn. 4th cn. B.C.E.) The Liezi (Lieh-tzu), or Master Lie may be considered to be the third of the Chinese philosophical texts in the line of thought represented by the Laozi and the Zhuangzi, subsequently classified as Daojia (“the School of the Way”) or Daoist philosophy. Whether Master Lie existed as an actual person or not, the text bears his name in order

Cornelius Castoriadis (1922—1997) Cornelius Castoriadis was an important intellectual figure in France for many decades, beginning in the late-1940s. Trained in philosophy, Castoriadis also worked as a practicing economist and psychologist while authoring over twenty major works and numerous articles spanning many traditional philosophical subjects, including politics, economics, psychology, anthropology, and ontology. His oeuvre can be understood broadly as a reflection on the concept of

Thrasymachus (fl. 427 B.C.E.) Thrasymachus of Chalcedon is one of several “older sophists” (including Antiphon, Critias, Hippias, Gorgias, and Protagoras) who became famous in Athens during the fifth century B.C.E. We know that Thrasymachus was born in Chalcedon, a colony of Megara in Bithynia, and that he had distinguished himself as a teacher of rhetoric and speechwriter in Athens by the year 427. Beyond this,

Ralph Cudworth (1617—1688) Ralph Cudworth was an English philosopher and theologian, representative of a seventeenth century movement known as the Cambridge Platonists.  These were the first English philosophers to publish primarily in their native tongue, and to use Plato as a core influence.  Three of Cudworth’s works: The True Intellectual System of the Universe, A Treatise Concerning Eternal and Immutable Morality, and A Treatise on