Add Yahoo as a preferred source to see more of our stories on Google. Close up on a boy dressed as sherlock holmes and looking through a magnifying glass surrounded by other children and adults also ...

All people are mortal. Socrates is a person. Therefore: Socrates is mortal. This is the classic example of the West’s preferred form of reasoning— deductive logic. We have long professed to prefer it ...

IN a paper read before the Royal Statistical Society on December 18, Prof. R. A. Fisher surveyed the recent change in the outlook of mathematical statisticians. The most profound modification seems to ...

We have seen that we can deduce new conditionals from old. But where do we get conditionals to start with? Fortunately, we can get conditionals from our three principles. Premise (5) in the LSAT ...

Human infants are capable of deductive problem solving as early as 10 months of age, a new study by psychologists at Emory University and Bucknell finds. The journal Developmental Science is ...

My 5-year-old nephew once confidently told me that all dinosaurs were green because his three dinosaur toys were green. So I showed him a nature documentary, Walking with Dinosaurs, and suddenly, ...