Clinomachus (Greek: Κλεινόμαχος; 4th-century BC), was a Megarian philosopher from Thurii. He is said by Diogenes Laërtius to have been the first who composed treatises on the fundamental principles of dialectics,[1] and is described as the founder of the Dialectical school.[2] According to the Suda, he was the disciple of Euclid of Megara,[3] and he taught Bryson, the teacher of Pyrrho.[4] He thus lived towards the earlier half of the 4th century BC.


  1. ^ Diogenes Laërtius, ii. 112
  2. ^ Diogenes Laërtius, i. 19, where the text refers to "Clitomachus."
  3. ^ Suda, Sokrates
  4. ^ Suda, Pyrrhon