Philosophy 102 Philosophy, Modern 77 Ethics 71 Political science 70 Philosophers 51 Knowledge, Theory of 38 Science 36 Metaphysics 32 Nietzsche, Friedrich Wilhelm, 32 Hermeneutics 29 Humanism 27 Kant, Immanuel, 27 Spain 27 Philosophical anthropology 26 History 25 Plato 25 Philosophy, Ancient 24 Ortega y Gasset, José, 22 Marx, Karl, 21 Aesthetics 20 Foucault, Michel, 20 Heidegger, Martin, 20 Spanish literature 20 Hegel, Georg Wilhelm Friedrich, 19 Philosophy, Spanish 19 Catholic Church 18 Liberty 18 Aristotle 17 Literature 17 Ontology 17