As an academic discipline, logic is the study of reasoning. Logic puzzles, therefore, involve making a series of inferences ...

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 my view, some of the most mind-boggling logic puzzles are those that present statements, some of which are true and some false, with the objective being to figure out where the truth of the matter ...

When Slate asked me to write about “sudoku”—the number puzzle that’s taken Britain by storm (and seems poised to conquer the United States, too)—I thought it might be a pleasant little assignment.