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Chrysippus (krĭsˈĭpəs), c.280–c.207 B.C., Greek Stoic philosopher, b. Soli, Cilicia. He was a disciple of Cleanthes and succeeded him as head of the Academy in Athens. After Zeno, the founder of Stoicism, Chrysippus is considered the most eminent of the school. He systematized Stoicism and reconciled the factions that threatened to split the school. Chrysippus wrote with exquisite logic but also gave great weight to prophecy and the irrational. Only fragments of his work survive.


See J. B. Gould, The Philosophy of Chrysippus (1970).

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



Born circa 280 B.C. in Soli, in Cilicia; died 208 or 205 B.C. Greek philosopher.

Chrysippus is considered the second founder of Stoicism after Zeno of Citium and its chief systematizer. He became head of the Stoic school in Athens after the death of Cleanthes in 232 B.C. Chrysippus wrote more than 700 works, about half of which are devoted to problems of logic; however, only fragments of these works have survived. He elaborated the logic of propositions and established the principle of bivalence, which became the ontological premise of classical logic.


Stoicorum veterum fragmenta, vols. 2–3. Edited by H. von Arnim. Stuttgart, 1968.


Bréhier, E. F. Chrysippe et I’ancienne stoϊcisme. Paris, 1951.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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According to Galen, "Chrysippos holds beauty to consist in the proportions ...