As an academic discipline, logic is the study of reasoning. Logic puzzles, therefore, involve making a series of inferences and assessing them using reasoning. Easier logic puzzles for kids tend to ...

It’s that strange time of year, the lull between Christmas and New Year, when you’re not really celebrating but not really working either. So, how about you wrap your brain around the world’s hardest ...

We are hardly ever consciously aware that we use logic to solve everyday problems. But what is logic? Is the logic used to prove theorems in mathematics the same kind that we use for our practical ...

The twentieth-century philosopher Ludwig Wittgenstein once wrote that: “Logic takes care of itself; all we have to do is to look and see how it does it.” These words bring out the crux of the problem ...

In 1996, the mathematical logician George Boolos (above) published a paper describing “the hardest logic puzzle ever” which he attributed to the logician Raymond Smullyan. The puzzle has gained much ...

You and a fellow traveler have been imprisoned by a mad king with an unaccountable penchant for logic puzzles (as mad kings do). Can the two of you solve his riddle and escape with your lives—more ...