A: (3, 0, 0)
B: (0, 3, 0)
C: (-1, -1, 3)
O: (0, 0, 0)
a = Vector(O, A)
v = Vector(A, B)
w = Vector(A, C)
E = Surface(a + (r * v) + (s * w), r, -10, 10, s, -10, 10)
S: E(0.2, 0.6)
F: (0, 0, 0)
G: F + (2 * Vector[F, S])
d1, c, a_1, b = Polygon(A, B, C)
f = Segment(F, G)
g = Segment(G, C)
h = Segment(G, A)
i = Segment(G, B)