Zeno of Citium
On Reason (Discourse)
Written work
On Reason (Discourse)
Περὶ λόγου

A lost treatise, not included in the list at VII 4, in which, according to Diogenes Laertius (VII 39–40), Zeno was the first to divide philosophy into three parts, physics, ethics and logic, and to propose an order for teaching them. The tripartite division became the framework of the whole Stoic system.
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Authorship note
A lost work, not included in the list at VII 4; known from Diogenes Laertius' citation (VII 39).
Editions and translations
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Other works by Zeno of Citium
- Republic (Politeia) · 310
- On Impulse, or On Human Nature
- Fragments and testimonies · 1905
- On Life according to Nature
- On the Passions
- On the Appropriate (Duty)
- On Law
- On Greek Education
- On Vision
- On the Whole (the Universe)
- On Signs
- Pythagorean Questions
- Universals (General Questions)
- On Diction
- Homeric Problems (5 books)
- On Listening to Poetry
- Art (Handbook of Rhetoric)
- Solutions
- Refutations (2 books)
- Memoirs of Crates
- Ethics
- On Substance
- On the Soul
- Art of Love
- Diatribes (Interludes)
- Chreiai (Anecdotes)
- Letter to King Antigonus · 276
Sources
- Diógenes Laercio. Vidas y opiniones de los filósofos ilustres, libro VII, 1–160 (Zenón y la doctrina estoica), s. III d. C. Trad. inglesa de R. D. Hicks, Loeb Classical Library 185, 1925 (Wikisource en inglés); texto griego en Wikisource griega; trad. de C. D. Yonge, Bohn, 1853 (Project Gutenberg n.º 57342).
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