Clinomachus (; 4th-century BC), was a Megarian philosopher from

Thurii Thurii (; ; ), called also by some Latin writers Thūrium (compare , in Ptolemy), and later in Roman times also Cōpia and Cōpiae, was an ancient Greek city situated on the Gulf of Taranto, near or on the site of the great renowned city of Syb ...

Magna Graecia Magna Graecia refers to the Greek-speaking areas of southern Italy, encompassing the modern Regions of Italy, Italian regions of Calabria, Apulia, Basilicata, Campania, and Sicily. These regions were Greek colonisation, extensively settled by G ...

. He is said by

Diogenes Laërtius Diogenes Laërtius ( ; , ; ) was a biographer of the Greek philosophers. Little is definitively known about his life, but his surviving book ''Lives and Opinions of Eminent Philosophers'' is a principal source for the history of ancient Greek ph ...

to have been the first who composed treatises on the fundamental principles of

dialectics Dialectic (; ), also known as the dialectical method, refers originally to dialogue between people holding different points of view about a subject but wishing to arrive at the truth through reasoned argument. Dialectic resembles debate, but the ...

, and is described as the founder of the Dialectical school. According to the

Suda The ''Suda'' or ''Souda'' (; ; ) is a large 10th-century Byzantine Empire, Byzantine encyclopedia of the History of the Mediterranean region, ancient Mediterranean world, formerly attributed to an author called Soudas () or Souidas (). It is an ...

, he was the disciple of

Euclid of Megara Euclid of Megara (; ; c. 435 – c. 365 BC) was a Greek Socratic philosopher who founded the Megarian school of philosophy. He was a pupil of Socrates in the late 5th century BC, and was present at his death. He held the supreme good to be o ...

, and he taught Bryson, the teacher of

Pyrrho Pyrrho of Elis (; ; ) was a Greek philosopher of Classical antiquity, credited as being the first Greek skeptic philosopher and founder of Pyrrhonism. Life Pyrrho of Elis is estimated to have lived from around 365/360 until 275/270 BCE. Py ...

.Suda, ''Pyrrhon'' He thus lived towards the earlier half of the 4th century BC.

Notes

* {{AncientGreece-philosopher-stub 4th-century BC Greek philosophers Classical Greek philosophers Megarian philosophers Philosophers of Magna Graecia