Punktspiegelung am Ursprung

f(x) = 1 / x
g(x) = (-f(x))
h(x) = g((-x))
A = Point(f)
B = Point(f)
i = Segment(A, B)
C = Point(f)
D = Point(f)
j = Segment(C, D)
E = Point(f)
F = Point(f)
k = Segment(E, F)
a = false