Stanford Encyclopedia of Philosophy: Physical Theories of Stoicism

A detailed description of the Stoics, covering their philosophy, ethics, logic, and influence.

An extensive discussion of the ethics of Stoicism. Very detailed, includes lots of definitions of Greek words necessary to the philosophy.

An extensive discussion of the Stoic beliefs about logic, their advancements in the field of logic, the arguments of the Skeptics and the answers of the Stoics

Discusses the life of Anaxagoras of Clazomenae, his ideas about the metaphysical, the physical, the cosmos, and human intelligence, and the impact he had on later intellectuals. He is especially remembered for having been the first to...

Looks at the life of Aristotle (384-322 B.C.E.) and the far-reaching scope of his intellectual ideas. The article examines in depth his theories in the disciplines of philosophy, politics, mathematics and science, and his legacy.

Describes the recent movement known as "informal logic." Summarizes its brief history, provides several detailed examples, and explains its relationship to philosophy. Bibliography included.

This is a very detailed site about the life and the works of Saint Thomas Aquinas (1225-1274 CE). This site provides the reader with a brief biography, comparisons between Aristotle and Aquinas, commentary on Aquinas' work, and also a...

Encyclopedia article about Pythagoras from the Stanford Encyclopedia of Philosophy that discusses not only his life, but his major contributions as well. Also includes a lengthy bibliography and links to additional information.

This Stanford University encyclopedia entry discusses Confucius (551-479 BCE), who, according to Chinese tradition, was a thinker, political figure, educator, and founder of the Ru School of Chinese thought.

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