Content deleted Content added
m →Proof in the Klein model: lk chord (geometry) |
Niceguyedc (talk | contribs) m WPCleaner v1.14 - Repaired 1 link to disambiguation page - (You can help) - Hyperbolic plane |
||
Line 1:
In [[hyperbolic geometry]], the '''ultraparallel theorem''' states that every pair of [[ultraparallel line]]s in the [[hyperbolic geometry#Models_of_the_hyperbolic_plane|hyperbolic plane]] has a unique common [[perpendicular]] hyperbolic line.
==Proof in the Poincaré half-plane model==
|