This is a list of the reasons to look for in theorems when you are trying to use a familiar Euclidean one in a non-euclidean geomety. If these appear, you’re warned that the proof depends on Euclidean parallel lines.
This is a list of the reasons to look for in theorems when you are trying to use a familiar Euclidean one in a non-euclidean geomety. If these appear, you’re warned that the proof depends on Euclidean parallel lines.
It is not an inclusive list.