A: (5, 0, 2)
B: (5, 5, 2)
C: (0, 5, 2)
D: (0, 0, 2)
S: (2.5, 2.5, 5)
f = Segment(A, B)
g = Segment(B, C)
h = Segment(C, D)
i = Segment(D, A)
j = Segment(A, S)
k = Segment(B, S)
l = Segment(C, S)
m = Segment(D, S)
w: (1 / 5 * Vector[A, S])
v: (1 / 5 * Vector[A, B])
O: (0, 0, 0)
a = Vector(O, A)
E = Surface(a + (r * v) + (s * w), r, -10, 10, s, -10, 10)
G: E(1, 0)
H: E(2, 0)
F: E(3, 0)
I: E(4, 0)
J: E(0, 1)
K: E(0, 2)
L: E(0, 3)
M: E(0, 4)
N: E(1, 1)
P: E(1, 2)
Q: E(1, 3)
R: E(1, 4)
T: E(2, 1)
U: E(2, 2)
V: E(2, 3)
W: E(3, 1)
Z: E(3, 2)
A_1: E(4, 1)