Logic 240 Philosophy 233 Logic, Symbolic and mathematical 133 Mathematics 96 History 62 Mathematical logic-- Mathematics 54 Fuzzy logic 52 Toxicology 39 Science 34 Language and languages 33 Logic circuits, logic design of circuits, very large scale integration (VLSI) 33 Reasoning 31 Computer science 30 Set theory 25 Logic circuits 24 Methodology 24 Knowledge, Theory of 23 Probabilities 23 Logic design 21 Pharmacology and Toxicology 21 Social sciences 20 Semantics 19 Semantics (Philosophy) 19 methods 19 Nyaya 18 Digital electronics 17 Philosophy, Indic 17 Symbolic logic 17 Artificial intelligence 16 Modality (Logic) 16