Recent content by SpatialVacancy1

  1. S

    How can I prove that this is the upper bound?

    Combinatorics...evil problem! Hi all, I am working on my combinatorics homework. I have completed all of the problems but one. Here it goes: ------------------------------------------ Let S_1 and S_2 be two sets where |S_1| = m and |S_2| = r, for m,r in Z+ (positive integers), and the...