The Eretrian school of philosophy was originally the School of
Elis, where it had been founded by
Phaedo of Elis; it was later transferred to
Eretria
Eretria (; el, Ερέτρια, , grc, Ἐρέτρια, , literally 'city of the rowers') is a town in Euboea, Greece, facing the coast of Attica across the narrow South Euboean Gulf. It was an important Greek polis in the 6th and 5th centur ...
by his pupil
Menedemus
Menedemus of Eretria ( grc-gre, Μενέδημος ὁ Ἐρετριεύς; 345/44 – 261/60 BC) was a Greek philosopher and founder of the Eretrian school. He learned philosophy first in Athens, and then, with his friend Asclepiades, he subseq ...
. It can be referred to as the Elian-Eretrian School, on the assumption that the views of the two schools were similar. It died out after the time of Menedemus (3rd century BC), and, consequently, very little is known about its tenets. Phaedo had been a pupil of
Socrates
Socrates (; ; –399 BC) was a Greek philosopher from Athens who is credited as the founder of Western philosophy and among the first moral philosophers of the ethical tradition of thought. An enigmatic figure, Socrates authored no t ...
, and
Plato
Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...
named a dialogue, ''
Phaedo
''Phædo'' or ''Phaedo'' (; el, Φαίδων, ''Phaidōn'' ), also known to ancient readers as ''On The Soul'', is one of the best-known dialogues of Plato's middle period, along with the '' Republic'' and the ''Symposium.'' The philosophica ...
'', in his honor, but it is not possible to infer his doctrines from the dialogue. Menedemus was a pupil of
Stilpo at
Megara
Megara (; el, Μέγαρα, ) is a historic town and a municipality in West Attica, Greece. It lies in the northern section of the Isthmus of Corinth opposite the island of Salamis, which belonged to Megara in archaic times, before being take ...
before becoming a pupil of Phaedo; in later times, the views of his school were often linked with those of the
Megarian school. Menedemus' friend and colleague in the Eretrian school was
Asclepiades of Phlius
Asclepiades is the name of:
* An epithet for the children of Asclepius; Hygieia, Iaso, Aceso, Aegle, Panacea, Meditrina, Machaon, Podaleirios, Telesphoros, Aratus
* Asclepiades of Tragilus (4th century BC), critic and mythographer, author of ' ...
.
Like the Megarians they seem to have believed in the individuality of "the Good," the denial of the plurality of
virtue
Virtue ( la, virtus) is morality, moral excellence. A virtue is a trait or quality that is deemed to be morally good and thus is Value (ethics), valued as a foundation of principle and good moral being. In other words, it is a behavior that sh ...
, and of any real difference existing between the Good and the True.
Cicero
Marcus Tullius Cicero ( ; ; 3 January 106 BC – 7 December 43 BC) was a Roman statesman, lawyer, scholar, philosopher, and academic skeptic, who tried to uphold optimate principles during the political crises that led to the esta ...
tells us that they placed all good in the
mind
The mind is the set of faculties responsible for all mental phenomena. Often the term is also identified with the phenomena themselves. These faculties include thought, imagination, memory, will, and sensation. They are responsible for various m ...
, and in that acuteness of mind by which the
truth
Truth is the property of being in accord with fact or reality.Merriam-Webster's Online Dictionarytruth 2005 In everyday language, truth is typically ascribed to things that aim to represent reality or otherwise correspond to it, such as belief ...
is discerned. They denied that truth could be inferred by negative categorical
proposition
In logic and linguistics, a proposition is the meaning of a declarative sentence. In philosophy, " meaning" is understood to be a non-linguistic entity which is shared by all sentences with the same meaning. Equivalently, a proposition is the no ...
s, and would only allow positive ones, and of these only simple ones.
Diogenes Laërtius
Diogenes Laërtius ( ; grc-gre, Διογένης Λαέρτιος, ; ) was a biographer of the Greek philosophers. Nothing is definitively known about his life, but his surviving ''Lives and Opinions of Eminent Philosophers'' is a principal sour ...
, ii, 135.
Notes
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