Definition 11
Hyperplane.
Definition 12
Set of fixed points.
Definition 13
Reflection
Theorem 6
Reflection in a hyperplane…
Lemma 11
formula for reflection in hyperplane.
Lemma 12
Given two distinct points…
Lemma 13
If W = U (+) V, and R is a reflection…
Proposition 5
Any linear isometry of R^{n} is…
Theorem 7
Any motion is the product of…
All isometries of R^3 are…
Proposition 6
Given a line and a point…
Definition 14
Line segment.
Triangle.
Measure of the angle.
Lemma 14
Angles in a triangle are…