A4 If two intersecting lines cross at adjacent congruent angles, then each of these is congruent to any other angle created the same way.
A4 If two intersecting lines cross at adjacent congruent angles, then each of these is congruent to any other angle created the same way.
A5 Given a line, L, and a point not on that line, P, there are at least two lines distinct from L which contain P and are parallel to L.