KnowraJános BolyaiLinked fromLinked fromThe 7 pages that link to János Bolyai, each with the reason it gives.All 7Related 7Non-Euclidean geometryRelated: His independent account helped establish the new geometry.Hyperbolic geometryRelated: His appendix to a mathematical work gave an independent account of the new geometry.Parallel postulateRelated: His work showed that denying the postulate leads to a consistent alternative geometry.Nikolai LobachevskyRelated: Bolyai reached a closely related geometry independently of Lobachevsky.Hyperbolic planeRelated: His appendix to his father’s work gave a concise foundation for the new geometry.PseudosphereRelated: Bolyai's work helped establish the geometry whose negative curvature the pseudosphere embodies.Hjelmslev's theoremRelated: His foundational account helped establish non-Euclidean triangle geometry.