Give the version of the Parallel Postulate as used in Euclidean geometry, beginning the statement with, "Given a line and a

Question

Give the version of the Parallel Postulate as used in Euclidean geometry, beginning
the statement with, "Given a line and a point P not on,..."
Now show how to change this statement in two different ways, giving rise to two
different forms of non-Euclidean geometry.

Kunduz · Accepted Answer

Click to see the answer