Single Idea 600

[catalogued under 9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance]

Full Idea

Fire, earth, water and air, and other simple bodies are agreed to be substances, as are plants, plant parts, animals, animal parts, and the heavens and their parts. Forms and mathematicals are more controversial.

Gist of Idea

Elements and physical objects are substances, but ideas and mathematics are not so clear

Source

Aristotle (Metaphysics [c.324 BCE], 1042a07)

Book Reference

Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.233