As an academic discipline, logic is the study of reasoning. Logic puzzles, therefore, involve solving problems by making a series of inferences and assessing these using reasoning. Sounds easy, right?

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 following puzzle devised by Lewis Carroll is a classic one in puzzledom: A bag contains one counter, known to be either white or black. A white counter is put in, the bag shaken, and a counter ...