A paradox is a seemingly untrue or contradictory statement that, when investigated further, may prove to be true. Paradoxes can also take the form of philosophical riddles or images that appear to ...

Carl C. Hempel, a leading figure in the “logical positivist” school and now a professor of philosophy at Princeton University, discovered another astonishing probability paradox. Ever since he ...

In logic, conventional systems have long been regarded as the foundation of rational thought. But one puzzle questions their ...

Among those question types, paradox questions tend to be relatively difficult but uncommon. They are one of the few examples of logical reasoning questions in which the prompt does not provide or ...

Paradoxes and other apparently unsolvable problems can sometimes be solved by broadening the logical framework in which they are presented. A stubborn paradox in game theory provides an example ...

Paradox! challenges players with planning, logic, and quick reflexes, and where every level is played TWICE, in the past, and the future. Paradox! will be available on PC and a demo for Paradox!

An introduction to modal and many-valued logics, with emphasis on philosophical motivation through a study of applications and paradoxes. Reading: PP, selections from Chs. 11-12.