Combining Philosophers

All the ideas for Xenocrates, Seymour Lipschutz and Friedrich Schiller

expand these ideas     |    start again     |     specify just one area for these philosophers


4 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes
Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]
15. Nature of Minds / A. Nature of Mind / 2. Psuche
Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero]
21. Aesthetics / C. Artistic Issues / 7. Art and Morality
Beauty motivates morality, by harmonising feeling and reason [Schiller, by Pinkard]
25. Social Practice / A. Freedoms / 5. Freedom of lifestyle
Schiller speaks obsessively of freedom throughout his works [Schiller, by Berlin]