Computers and logic
Computers are logical, or at least that’s what we hope. It is a relief to know that the receivers of so much attention, from so many people, and for such long hours are dependable systems, with no inclinations, temperament, or minds of their own. People, on the other hand, are crazy, or so we often suspect. They buy lottery tickets aware of the odds, smoke despite being literate, and believe that black cats could seriously damage their health. This is perhaps why we use computers to try to inculcate some logic in their heads. There is, however, a catch. You would not use a washing machine to teach your nephew how to clean his t-shirt. Likewise, our computers do very weird things in order to see that 5 + 7 = 12. So how can we rely on weird machines to teach logic to crazy minds? Although not exactly worded in this way, computer-based logic teaching was one of the themes addressed by several papers presented at two conferences recently organised by the International Association for Com...