In 1931, the Austrian logician Kurt Gödel pulled off arguably one of the most stunning intellectual achievements in history. Mathematicians of the era sought a solid foundation for mathematics: a set ...

In 1963, the mathematician Roy Kerr found a solution to Einstein’s equations that precisely described the spacetime outside what we now call a rotating black hole. (The term wouldn’t be coined for a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. An unsolved 160-year-old math problem may finally have a solution — but critics are wary. Michael ...

This article is a critique of the demonstration by refutation of the principle of non-contradiction in Aristotle's Metaphysics, book IV. My method will consist in focusing on the dialectical nature of ...