Knowledge, Theory of Philosophy 13 Science 7 History 6 Addresses, essays, lectures 4 Cognition 3 Intellect 3 Languages 3 Logic 3 Methodology 3 Phenomenology 3 Philosophy of mind 3 Thought and thinking 3 Artificial intelligence 2 Child psychology 2 Early works to 1850 2 Ethics 2 Feminist theory 2 Imagery (Psychology) 2 Inference (Logic) 2 Ontology 2 Probabilities 2 Psychology 2 Reasoning 2 Relativity 2 Skepticism 2 Social psychology 2 A priori 1 Agent (Philosophy) 1 Analysis (Philosophy) 1