Date: Monday, October 22, 2001 -- 8:16 p.m. From: Mark Jacobson To: 810-080-01@uni.edu, 810-080-02@uni.edu Subject: Re: HW #5 links... Here is an addition to the last email note: Suppose A = {a, b, c, d} or A is any set with 4 elements, and B = {a, b, d, d, e} or B is any set with 5 elements. # of PowerSet # of PowerSet A's A's elements elements Previous Same CARDINALITY PowerSets(A) PowerSets(B) row row 0 1 1 1 4 5 5 = 1 + 4 2 6 10 10 = 4 + 6 3 4 10 10 = 6 + 4 4 1 5 5 = 4 + 1 5 none 1 ----- ----- 16 32