Knowledge, Theory of 15 Philosophical anthropology 11 Thomas, 10 Aristotle 9 Metaphysics 9 Philosophy 7 Ethics 6 Law 6 Catholic Church 5 Ontology 5 Philosophy, Medieval 5 Philosophy, Modern 5 Political science 4 Salamanca school (Catholic theology) 4 Aesthetics 3 Causation 3 Knowledge, Theory of (Religion) 3 Natural law 3 Peirce, Charles S. 3 Philosophy, Spanish 3 Polo, Leonardo 3 Theology 3 Agent (Philosophy) 2 Cosmology 2 Duns Scotus, John, 2 Economics 2 Human body 2 Husserl, Edmund, 2 Intellect 2 Leibniz, Gottfried Wilhelm, 2