Title: Eleutheria tēs voulēsēs kai ēthikes axies stous Plēthōna, Rousseau kai Wittgenstein
Subjects: Ethics, History, Criticism and interpretation, Philosophy, Free will and determinism
People: Jean-Jacques Rousseau (1712-1778), George Gemistus Plethon (active 15th century), Ludwig Wittgenstein (1889-1951)