Platone
Aristotele
Agostino d'Ippona
Friedrich Nietzsche
Platone
Gottfried Wilhelm Leibniz
Parmenide
Platone
Karl R. Popper
Ray Monk
Helmuth Plessner
Georg Wilhelm Friedrich Hegel
Platone
Platone
Hans-Georg Gadamer
Aristotele
Blaise Pascal
Platone
John Stuart Mill
Thomas Hobbes
Renato Cartesio
Aristotele
Platone
Edmund Husserl