We are always solving problems, some of which have instantly obvious solutions and others that do not. In the latter case, the word puzzle comes to mind instead. A problem can be defined therefore as ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

One of the oldest logical paradoxes stems from a controversial figure in Greek history. Like most controversial figures, he was involved in a few lawsuits, and one in particular became known as The ...

Editor’s Note: Published in 1957, this article comes from Martin Gardner’s legendary Scientific American column Mathematical Games. Read more in our special digital issue, Fun and Games. A paradox is ...

There is a classic logic problem known as the Barber paradox (itself a variant of Russell's paradox): in a town where the barber shaves every man who doesn't shave himself, who shaves the barber? If ...

At last logic and reason have their own spirit animal. Ravens shed light on weird reasoning, but especially on the random statements that people make on the internet. Is there anything you want more ...

The logical reasoning section of the LSAT can seem daunting, like an assault of barbed questions from all directions. One minute you’re trying to nail down a logical flaw, the next you’re trying to ...