1. Plato 2. Theory of Forms 3. Idea of God and Seul 4. Aristotle 5. Substance as a Category : Concept of Form and Matter 6. Problem of Changes, Four Causes, Potentiality and Actuality 7. Rene Descrates 8. Benedict Spinoza 9. John Locke 10. Gatt Fried Wilhelm Leibnitz 11. George Berkeley 12. David Hume 13. Immanual Kant 14. George Wilhelm Hegel.
Excellent as described in the picture. Outstanding quality.