29/06/2016

2)

Given the two sets: E = {1,2,3,4,5,6,7,8,9}

and D = {0,1,2,3,4}

1)Determine A ; a subset of E ; knowing that card(A) = 4 and

.

2) Find a subset B of E s.t. .

3) Verify that 

4) Consider a set C= .

i) Write C in Roster's notation.

ii) Determine