Articles related to "The Parallel Postulate"

Very few seemingly incontrovertible mathematical statements throughout history have wreaked quite as much havoc as Euclid's controversial fifth axiom.

While most people are far more familiar with the basic principles of Euclidean geometry, scientists have come to discover that the shape of our universe is non-Euclidean.

One of the most common families of non-Euclidean geometry is hyperbolic geometry - a self-consistent geometry of "obtuse" curvature.