Carneades

Carneades (kärnē`ədēz), 213–129 B.C., Greek philosopher, b. Cyrene. He studied at Athens under Diogenes the Stoic, but reacted against Stoicism and joined the Academy, where he taught a skepticism similar to that of Arcesilaus. He denied the possibility of absolute certainty in knowledge; it is disputed whether he held that probable knowledge was adequate to guide a person's actions. He recognized three degrees of probability, and his teaching anticipated modern discussions of the nature of empirical knowledge.

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Carneades 

Born in 214 b.c.; died in 129 b.c. Native of Cyrene. Ancient Greek philosopher; head of Plato’s Academy and founder of the so-called New, or Third, Academy.

An adherent of skepticism, Carneades developed a theory of probability. He left no written works. Carneades was a member of the delegation of philosophers sent to Rome in 156–155 B.C.

REFERENCES

Rikhter, R. Skeptitsizm v filosofii, vol. 1. St. Petersburg, 1910. Pages 80–83.
Credaro, L. Lo scetticismo degli accademici, vols. 1–2. Milan, 1889–93.