Sextus Empiricus was an ancient Greek philosopher-historian who produced the only extant comprehensive account of Greek Skepticism. The republication of his Hypotyposes in 1562 had far-reaching effects on European philosophical thought. Indeed, much of the philosophy of the 17th and 18th centuries can be interpreted in terms of diverse efforts to grapple with the ancient Skeptical arguments handed down through Sextus.
Almost all details of his life are conjectural except that he was a medical doctor. As a major exponent of epochē, or “suspension of judgment,” the central doctrine of the philosophical school of Pyrrhonism (named after Pyrrhon of Elis). In his Outlines of Pyrrhonism and Adversus mathe-maticos, Sextus presented the tropes developed by previous Pyrrhonists. The 10 tropes attributed to Aenesidemus showed the difficulties encountered by attempts to ascertain the truth or reliability of judgments based on sense information, owing to the variability and differences of human and animal perceptions. Other arguments raised difficulties in determining whether there are any reliable criteria or standards—logical, rational, or otherwise—for judging whether anything is true or false.
To settle any disagreement, a criterion seems to be required. Any purported criterion, however, would have to be based either on another criterion—thus leading to an infinite regress of criteria—or on itself, which would be circular. Sextus offered arguments to challenge any claims of dogmatic philosophers to know more than what is evident, and in so doing he presented, in one form or another, practically all of the skeptical arguments that have ever appeared in subsequent philosophy.
Sextus said that his arguments were aimed at leading people to a state of ataraxia (unperturbability). People who thought that they could know reality were constantly disturbed and frustrated. If they could be led to suspend judgment, however, they would find peace of mind. In this state of suspension they would neither affirm nor deny the possibility of knowledge but would remain peaceful, still waiting to see what might develop. The Pyrrhonist did not become inactive in this state of suspense but lived undogmatically according to appearances, customs, and natural inclinations.
Almost all details of his life are conjectural except that he was a medical doctor. As a major exponent of epochē, or “suspension of judgment,” the central doctrine of the philosophical school of Pyrrhonism (named after Pyrrhon of Elis). In his Outlines of Pyrrhonism and Adversus mathe-maticos, Sextus presented the tropes developed by previous Pyrrhonists. The 10 tropes attributed to Aenesidemus showed the difficulties encountered by attempts to ascertain the truth or reliability of judgments based on sense information, owing to the variability and differences of human and animal perceptions. Other arguments raised difficulties in determining whether there are any reliable criteria or standards—logical, rational, or otherwise—for judging whether anything is true or false.
To settle any disagreement, a criterion seems to be required. Any purported criterion, however, would have to be based either on another criterion—thus leading to an infinite regress of criteria—or on itself, which would be circular. Sextus offered arguments to challenge any claims of dogmatic philosophers to know more than what is evident, and in so doing he presented, in one form or another, practically all of the skeptical arguments that have ever appeared in subsequent philosophy.
Sextus said that his arguments were aimed at leading people to a state of ataraxia (unperturbability). People who thought that they could know reality were constantly disturbed and frustrated. If they could be led to suspend judgment, however, they would find peace of mind. In this state of suspension they would neither affirm nor deny the possibility of knowledge but would remain peaceful, still waiting to see what might develop. The Pyrrhonist did not become inactive in this state of suspense but lived undogmatically according to appearances, customs, and natural inclinations.
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