Editors and translators in the Middle Ages often confused him with Euclid of Alexandria when discussing the latter's Elements.

Euclid's pupils were said to have been Ichthyas,[6] the second leader of the Megarian school; Eubulides of Miletus;[7] Clinomachus;[8] and Thrasymachus of Corinth.

Euclid himself wrote six dialogues—the Lamprias, the Aeschines, the Phoenix, the Crito, the Alcibiades, and the Amatory dialogue—but none survive.

He identified the Eleatic idea of "The One" with the Socratic "Form of the Good", which he called "Reason", "God", "Mind", "Wisdom", etc.

Euclid adopted the Socratic idea that knowledge is virtue and that the only way to understand the never-changing world is through the study of philosophy.

[14] His doctrinal heirs, the Stoic logicians, inaugurated the most important school of logic in antiquity other than Aristotle's peripatetics.