Pyrrhonism is the ancient Greek skeptical tradition that suspends judgment on all dogmatic claims about how things really are, aiming at inquiry rather than assertion. It takes its name from Pyrrho of Elis and was later given a systematic method by Aenesidemus, standing beside Academic Skepticism as one of the two schools of ancient skepticism.
Facts
Start YearApproximate; traditionally dated to the life of Pyrrho of Elis (c. 365/360-275/70 BCE). The rigorous Pyrrhonist method associated with the name was later systematized by Aenesidemus in the first century BCE. RegionAncient Greece and the Hellenistic Mediterranean 2 Disputed
End YearSextus Empiricus, writing in the late second or early third century CE, is the last major Pyrrhonist whose work survives, but later writers report individual Pyrrhonists as late as the sixth century CE, so there is no settled date for when the school itself ceased. Connections
Associated With
Source Stanford Encyclopedia of Philosophy
Founded By
Source Stanford Encyclopedia of Philosophy
In Branch
Source Ancient Skepticism (Stanford Encyclopedia of Philosophy)
In Tradition
Entity-backed identity for the tradition value this school already carries as an enum fact, resolved to a school entity by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The enum fact itself stays on the entity unchanged.
Open Questions
Source Ancient Skepticism (Stanford Encyclopedia of Philosophy)
In the Other Atlases
- Also in Geography Atlas: Europe, found in there.
Sources
1. Pyrrhonism (Wikipedia)
WikipediaLead section
rejects dogma and advocates the suspension of judgment over the truth of all beliefs
Later Pyrrhonism section
Agathias even reports a Pyrrhonist named Uranius as late as the middle of the 6th century CE.
Lead, founding sentence
Pyrrhonism is an Ancient Greek school of philosophical skepticism which rejects dogma and advocates the suspension of judgment over the truth of all beliefs.
View the Source 2. Ancient Skepticism (Stanford Encyclopedia of Philosophy)
1. The Central Questions
The skeptic suspends judgment... aim not to affirm anything.
- In Category: Schools of Philosophy
- In Branch: Epistemology
Stanford Encyclopedia of Philosophy
Stanford University, Center for the Study of Language and Information- Associated With: Pyrrho of Elis
- Founded By: Pyrrho of Elis, s.v. Ancient Skepticism
View the Source Open Questions (1 open question)
Can a Pyrrhonian Skeptic Act Without Belief?
Critics ancient and modern have charged that suspending judgment on all matters makes purposeful action impossible; Sextus Empiricus answered that skeptics act by following appearances, but scholars remain divided on whether that answer itself smuggles in belief, and interpretation of Sextus's own position is, in the Stanford Encyclopedia's own words, quite controversial.
What would resolve this A consensus reading of Sextus Empiricus's account of following appearances that scholars agree either does or does not amount to holding beliefs, which decades of interpretive work have not settled.
EpistemologyAncient Skepticism (Stanford Encyclopedia of Philosophy)
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