Plato

Plato

PLATO. Plato (c. 428–348 BCE), a Greek philosopher and founder of the Athenian Academy, was an Athenian citizen of high birth who grew up during the Peloponnesian War (431–404 BCE). He was a member of the circle of young men who surrounded the charismatic Socrates (469–399 BCE). After Socrates died, Plato withdrew from public life. He traveled to southern Italy and Sicily, where he not only met the tyrant Dionysius I and began a lifelong involvement with Dion of Syracuse, but also came in contact with the Pythagorean school that flourished in southern Italy. Soon after his return to Athens (c. 387 BCE) Plato began meeting with colleagues and pupils at his home near the grove of Academus outside the walls of Athens. The rest of his life—apart from two ill-starred visits to Syracuse at the behest of Dion—was devoted to teaching and inquiry in this community, where, in dialogue between teacher and pupils, the mathematical disciplines were pursued for the sake of their contribution to an understanding of the foundations of moral and political life (see Republic 526d–532c). Plato used the dialogue form in writing, not only to portray Socrates himself (in the so-called early dialogues, such as Apology, Crito, Euthyphro, and Laches), but also to present the outlines of his own growing and changing thought.

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