Language and languages Philosophy 11 Philosophy of Language 11 Logic 6 Semiotics 4 Metaphysics 3 Ontology 3 Philosophy of Mind 3 Philosophy of mind 3 Science 3 Early Modern Philosophy 2 History 2 History of Philosophy 2 Phenomenology 2 Phenomenology  2 Philosophy of Science 2 Philosophy, Modern 2 Applications of Mathematics 1 Epistemology 1 Ethics 1 Formal Languages and Automata Theory 1 Game Theory 1 Game theory 1 History of Science 1 Knowledge, Theory of 1 Machine theory 1 Mathematical Logic and Foundations 1 Mathematical logic 1 Mathematics 1 Medieval Philosophy 1