Philip of Opus
Encyclopedia
Philip of Opus, Greece
Opus, Greece
Opus , in Ancient Greece, the chief city of Opuntian or Eastern Locris. It was located on the coast of mainland Greece opposite Euboea, perhaps at modern Atalandi...

, was a philosopher and a member of the Academy
Platonic Academy
The Academy was founded by Plato in ca. 387 BC in Athens. Aristotle studied there for twenty years before founding his own school, the Lyceum. The Academy persisted throughout the Hellenistic period as a skeptical school, until coming to an end after the death of Philo of Larissa in 83 BC...

 during Plato
Plato
Plato , was a Classical Greek philosopher, mathematician, student of Socrates, writer of philosophical dialogues, and founder of the Academy in Athens, the first institution of higher learning in the Western world. Along with his mentor, Socrates, and his student, Aristotle, Plato helped to lay the...

's lifetime. Philip was the editor of Plato's Laws. Philip of Opus is probably identical with the Philip of Medma
Medma
If you are looking for software/IT company Medma then go to their official website Medma or Mesma If you are looking for software/IT company Medma then go to their official website Medma or Mesma If you are looking for software/IT company Medma then go to their official website Medma or Mesma...

 (or Mende), the astronomer, who is also described as a disciple of Plato.

Plato's Laws and Epinomis

According to Diogenes Laërtius
Diogenes Laertius
Diogenes Laertius was a biographer of the Greek philosophers. Nothing is known about his life, but his surviving Lives and Opinions of Eminent Philosophers is one of the principal surviving sources for the history of Greek philosophy.-Life:Nothing is definitively known about his life...

, Philip of Opus was a disciple of Plato
Plato
Plato , was a Classical Greek philosopher, mathematician, student of Socrates, writer of philosophical dialogues, and founder of the Academy in Athens, the first institution of higher learning in the Western world. Along with his mentor, Socrates, and his student, Aristotle, Plato helped to lay the...

, who was responsible for transcribing Plato's Laws
Laws (dialogue)
The Laws is Plato's last and longest dialogue. The question asked at the beginning is not "What is law?" as one would expect. That is the question of the Minos...

into twelve books, and writing the thirteenth book (the Epinomis
Epinomis
The Epinomis is a dialogue in the style of Plato and traditionally included among Plato's works. Today it is widely considered spurious because of its contents and because already some ancient sources attributed it to Philip of Opus.-Title:...

) himself:
Some say that Philip the Opuntian transcribed his [Plato's] work, Laws, which was written in wax [wooden tablets coated with wax]. They also say that the Epinomis
Epinomis
The Epinomis is a dialogue in the style of Plato and traditionally included among Plato's works. Today it is widely considered spurious because of its contents and because already some ancient sources attributed it to Philip of Opus.-Title:...

[the thirteenth book of the Laws], is his.

In the Suda
Suda
The Suda or Souda is a massive 10th century Byzantine encyclopedia of the ancient Mediterranean world, formerly attributed to an author called Suidas. It is an encyclopedic lexicon, written in Greek, with 30,000 entries, many drawing from ancient sources that have since been lost, and often...

, Philip is listed anonymously under the heading of philosophos ("philosopher"), his name being lost from the beginning of the entry:
Philosopher who divided the Laws of Plato into 12 books; for he himself is said to have added the 13th. And he was a pupil of Socrates and of Plato himself, occupied with the study of the heavens. Living in the time of Philip of Macedon
Philip II of Macedon
Philip II of Macedon "friend" + ἵππος "horse" — transliterated ; 382 – 336 BC), was a king of Macedon from 359 BC until his assassination in 336 BC. He was the father of Alexander the Great and Philip III.-Biography:...

, he wrote the following: On the distance of the sun and moon; On gods; On time; On myths; On freedom; On anger; On reciprocation; On the Opuntian Lokrians; On pleasure; On passion; On friends and friendship; On writing; On Plato; On eclipse(s) of the moon; On the size of the sun and moon and earth; On lightning; On the planets; Arithmetic; On prolific numbers; Optics; Enoptics; Kykliaka; Means; etc.

Since the entry is located under the heading philosophos, the defect presumably existed in the source from which the Suda borrowed. It was not until the 18th century when Ludolf Küster, the editor of the Suda, identified this anonymous entry with the Philip of Opus mentioned by Diogenes Laërtius.

Philip the astronomer

Because he is identified in the Suda as an astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

, it is generally assumed that Philip of Opus is the same person as Philip of Medma
Medma
If you are looking for software/IT company Medma then go to their official website Medma or Mesma If you are looking for software/IT company Medma then go to their official website Medma or Mesma If you are looking for software/IT company Medma then go to their official website Medma or Mesma...

, (also called Philip of Mende) who was an astronomer and mathematician
Mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 and a disciple of Plato.
Philip of Medma is mentioned by several ancient writers, such as Vitruvius
Vitruvius
Marcus Vitruvius Pollio was a Roman writer, architect and engineer, active in the 1st century BC. He is best known as the author of the multi-volume work De Architectura ....

, Pliny the Elder
Pliny the Elder
Gaius Plinius Secundus , better known as Pliny the Elder, was a Roman author, naturalist, and natural philosopher, as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian...

, Plutarch
Plutarch
Plutarch then named, on his becoming a Roman citizen, Lucius Mestrius Plutarchus , c. 46 – 120 AD, was a Greek historian, biographer, essayist, and Middle Platonist known primarily for his Parallel Lives and Moralia...

, (who states that he demonstrated the figure of the Moon
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

), Proclus
Proclus
Proclus Lycaeus , called "The Successor" or "Diadochos" , was a Greek Neoplatonist philosopher, one of the last major Classical philosophers . He set forth one of the most elaborate and fully developed systems of Neoplatonism...

, and Alexander of Aphrodisias
Alexander of Aphrodisias
Alexander of Aphrodisias was a Peripatetic philosopher and the most celebrated of the Ancient Greek commentators on the writings of Aristotle. He was a native of Aphrodisias in Caria, and lived and taught in Athens at the beginning of the 3rd century, where he held a position as head of the...

. His astronomical observations were made in the Peloponnese
Peloponnese
The Peloponnese, Peloponnesos or Peloponnesus , is a large peninsula , located in a region of southern Greece, forming the part of the country south of the Gulf of Corinth...

 and in Locris
Locris
Locris was a region of ancient Greece, the homeland of the Locrians, made up of three distinct districts.-Locrian tribe:...

 (where Opus
Opus, Greece
Opus , in Ancient Greece, the chief city of Opuntian or Eastern Locris. It was located on the coast of mainland Greece opposite Euboea, perhaps at modern Atalandi...

 was a principal city), and were used by the astronomers Hipparchus
Hipparchus
Hipparchus, the common Latinization of the Greek Hipparkhos, can mean:* Hipparchus, the ancient Greek astronomer** Hipparchic cycle, an astronomical cycle he created** Hipparchus , a lunar crater named in his honour...

, Geminus of Rhodes, and Ptolemy
Ptolemy
Claudius Ptolemy , was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the...

. He is said by Stephanus of Byzantium
Stephanus of Byzantium
Stephen of Byzantium, also known as Stephanus Byzantinus , was the author of an important geographical dictionary entitled Ethnica...

to have written a treatise on the winds.

Further reading

  • Tarán, Leonardo. Academica: Plato, Philip of Opus, and the pseudo-Platonic Epinomis. Philadelphia: American Philosophical Society, 1975.
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