Reference (Philosophy) 9 Philosophy 4 Externalism (Philosophy of mind) 3 Semantics (Philosophy) 3 Description (Philosophy) 2 Language and languages 2 Reference Philosophy 2 Self-knowledge, Theory of 2 Analysis (Philosophy) 1 Identity (Psychology) 1 Intention (Logic) 1 Logic 1 Logic, Medieval 1 Meaning (Philosophy) 1 Methodology 1 Modality (Logic) 1 Names 1 Necessity (Philosophy) 1 Sense (Philosophy) 1 Social sciences 1 Truth 1 Whole and parts (Philosophy) 1