Transformation Geometry Proofs : Reflections - Please see the attached file for the fully formatted problems.
Let l, m, n be distinct lines and P, Q, R be distinct points. Prove the following:
(a) sigma l sigma m = sigma m sigma l if and only ...
Lines and Intersections - Incidence Geometry :Give proofs for the following:
i.For every line there is at least one point not lying on it.
ii.For every point, there is at least one line not passing through it
iii.For ...