Ideas from 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer [1813], by Theme Structure

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10. Modality / A. Necessity / 3. Types of Necessity
Necessity is physical, logical, mathematical or moral [Janaway]
11. Knowledge Aims / C. Knowing Reality / 3. Idealism
For Schopenhauer, material things would not exist without the mind [Janaway]
20. Action / C. Motives for Action / 3. Acting on Reason / c. Reasons as causes
Motivation is causality seen from within