1. Math
2. Geometry
3. 1 given a model of incidence geometry define the relation...

# Question: 1 given a model of incidence geometry define the relation...

###### Question details

1. Given a model of incidence geometry, define the relation R on the set of lines by nRm if and only if either n=m or n is parallel to m. Prove that in an Affine Plane, the relation R is transitive.