A U B = {1,2,3,4,5,6,7,9,11,13}
A ∩ B = {3,5,7}
A - B = {1,2,4,6}
B - A = {9,11,13}
A Δ B = {1,2,4,6,9,11,13}
A · B = 1,2,3,4,5,6,7,3,5,7,9,11,13
|A| = 7
|B| = 6
Cartesian Product = {(1,3),(1,5),(1,7),(1,9),(1,11),(1,13),(2,3),(2,5),(2,7),(2,9),(2,11),(2,13),(3,3),(3,5),(3,7),(3,9),(3,11),(3,13),(4,3),(4,5),(4,7),(4,9),(4,11),(4,13),(5,3),(5,5),(5,7),(5,9),(5,11),(5,13),(6,3),(6,5),(6,7),(6,9),(6,11),(6,13),(7,3),(7,5),(7,7),(7,9),(7,11),(7,13)}
J(A,B) = 0.3
J_σ(A,B) = 0.7
s = 0.23076923076923
Because all elements of A are not in B,
then A ⊄ B
Because all elements of B are not in A,
then B ⊄ A